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	diff --git a/src/Addons.cpp b/src/Addons.cpp
	index 9a55220..ad2ec47 100644
	--- a/src/Addons.cpp
	+++ b/src/Addons.cpp
	@@ -1,1063 +1,1066 @@
	/*
	* Copyright (C) 2011-2013 Me and My Shadow
	*
	* This file is part of Me and My Shadow.
	*
	* Me and My Shadow is free software: you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation, either version 3 of the License, or
	* (at your option) any later version.
	*
	* Me and My Shadow is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
	*/

	#include "Addons.h"
	#include "GameState.h"
	#include "Functions.h"
	#include "FileManager.h"
	#include "GUIObject.h"
	#include "GUIOverlay.h"
	#include "GUIScrollBar.h"
	#include "GUITextArea.h"
	#include "GUIListBox.h"
	#include "POASerializer.h"
	#include "LevelPackManager.h"
	#include "InputManager.h"
	#include "ThemeManager.h"
	#include <string>
	#include <sstream>
	#include <iostream>
	#include "libs/tinyformat/tinyformat.h"
	#include <SDL.h>
	#include <SDL_ttf.h>


	using namespace std;

	static const char* predefinedCategories[] = {
	"levels", __("Levels"), __("Single level which usually contain demanding puzzles"),
	"levelpacks", __("Levelpacks"), __("Collection of levels with the same author or style"),
	"themes", __("Themes"), __("Give every block and background a new look and feel"),
	NULL,
	};

	static std::map<std::string, std::string> categoryNameMap;
	static std::map<std::string, std::string> categoryDescriptionMap;

	Addons::Addons(SDL_Renderer &renderer, ImageManager &imageManager):selected(NULL){
	//Render the title.
	title=textureFromText(renderer, *fontTitle,_("Addons"),objThemes.getTextColor(false));

	//Load placeholder addon icons and screenshot.
	addonIcon["levels"] = imageManager.loadImage(getDataPath() + "/gfx/addon1.png");
	addonIcon["levelpacks"] = imageManager.loadImage(getDataPath() + "/gfx/addon2.png");
	addonIcon["themes"] = imageManager.loadImage(getDataPath() + "/gfx/addon3.png");
	addonIcon[std::string()] = imageManager.loadImage(getDataPath() + "/gfx/addon0.png");

	//Load predefined categories.
	if (categoryNameMap.empty()) {
	for (int i = 0; predefinedCategories[i]; i += 3) {
	categoryNameMap[predefinedCategories[i]] = predefinedCategories[i + 1];
	categoryDescriptionMap[predefinedCategories[i]] = predefinedCategories[i + 2];
	}
	}

	screenshot=imageManager.loadTexture(getDataPath()+"/gfx/screenshot.png", renderer);

	//Open the addons file in the user cache path for writing (downloading) to.
	FILE* addon=fopen((getUserPath(USER_CACHE)+"addons").c_str(),"wb");

	//Clear the GUI if any.
	if(GUIObjectRoot){
	delete GUIObjectRoot;
	GUIObjectRoot=NULL;
	}

	//Try to get(download) the addonsList.
	if(getAddonsList(addon, renderer, imageManager)==false){
	//It failed so we show the error message.
	GUIObjectRoot=new GUIObject(imageManager,renderer,0,0,SCREEN_WIDTH,SCREEN_HEIGHT);

	GUIObject* obj=new GUILabel(imageManager,renderer,90,96,200,32,_("Unable to initialize addon menu:"));
	obj->name="lbl";
	GUIObjectRoot->addChild(obj);

	obj=new GUILabel(imageManager,renderer,120,130,200,32,error.c_str());
	obj->name="lbl";
	GUIObjectRoot->addChild(obj);

	obj=new GUIButton(imageManager,renderer,90,550,200,32,_("Back"));
	obj->name="cmdBack";
	obj->eventCallback=this;
	GUIObjectRoot->addChild(obj);
	return;
	}

	//Now create the GUI.
	createGUI(renderer, imageManager);
	}

	Addons::~Addons(){
	//If the GUIObjectRoot exist delete it.
	if(GUIObjectRoot){
	delete GUIObjectRoot;
	GUIObjectRoot=NULL;
	}
	}

	void Addons::createGUI(SDL_Renderer& renderer, ImageManager& imageManager){
	//Downloaded the addons file now we can create the GUI.
	GUIObjectRoot=new GUIObject(imageManager,renderer,0,0,SCREEN_WIDTH,SCREEN_HEIGHT);

	//Create list of categories
	categoryList = new GUISingleLineListBox(imageManager, renderer, (SCREEN_WIDTH - 500) / 2, 100, 500, 32);
	categoryList->name="lstTabs";
	//Loop through the categories and add them to the list.

	//FIXME: Hack for easy detecting which categories there are.
	{
	set<string> categories;
	for (const auto& a : addons) {
	categories.insert(a.type);
	}
	for (const auto& c : categories) {
	auto it = categoryNameMap.find(c);
	categoryList->addItem(c, it == categoryNameMap.end() ? c.c_str() : _(it->second));
	}
	}
	categoryList->value=0;
	categoryList->eventCallback=this;
	GUIObjectRoot->addChild(categoryList);

	//category description
	categoryDescription = new GUILabel(imageManager, renderer, 0, 136, SCREEN_WIDTH, 32, "", 0, true, true, GUIGravityCenter);
	if (categoryList->value >= 0 && categoryList->value < (int)categoryList->item.size()) {
	auto it = categoryDescriptionMap.find(categoryList->item[categoryList->value].first);
	if (it != categoryDescriptionMap.end()) categoryDescription->caption = _(it->second);
	}
	GUIObjectRoot->addChild(categoryDescription);

	//Create the list for the addons.
	//By default levels will be selected.
	list=new GUIListBox(imageManager,renderer,SCREEN_WIDTH0.1,176,SCREEN_WIDTH0.8,SCREEN_HEIGHT-228);
	addonsToList(categoryList->getName(), renderer, imageManager);
	list->name="lstAddons";
	list->clickEvents=true;
	list->eventCallback=this;
	list->value=-1;
	GUIObjectRoot->addChild(list);
	type="levels";

	//The back button.
	GUIObject* obj=new GUIButton(imageManager,renderer,20,20,-1,32,_("Back"));
	obj->name="cmdBack";
	obj->eventCallback=this;
	GUIObjectRoot->addChild(obj);
	}

	bool Addons::getAddonsList(FILE* file, SDL_Renderer& renderer, ImageManager& imageManager){
	//First we download the file.
	if(downloadFile(getSettings()->getValue("addon_url"),file)==false){
	//NOTE: We keep the console output English so we put the string literal here twice.
	cerr<<"ERROR: unable to download addons file!"<<endl;
	error=_("ERROR: unable to download addons file!");
	return false;
	}
	fclose(file);

	//Load the downloaded file.
	ifstream addonFile;
	addonFile.open((getUserPath(USER_CACHE)+"addons").c_str());

	if(!addonFile.good()) {
	//NOTE: We keep the console output English so we put the string literal here twice.
	cerr<<"ERROR: unable to load addon_list file!"<<endl;
	/// TRANSLATORS: addon_list is the name of a file and should not be translated.
	error=_("ERROR: unable to load addon_list file!");
	return false;
	}

	//Parse the addonsfile.
	TreeStorageNode obj;
	{
	POASerializer objSerializer;
	if(!objSerializer.readNode(addonFile,&obj,true)){
	//NOTE: We keep the console output English so we put the string literal here twice.
	cerr<<"ERROR: Invalid file format of addons file!"<<endl;
	error=_("ERROR: Invalid file format of addons file!");
	return false;
	}
	}

	//Check the addon version in the addons list.
	int version=0;
	if(!obj.attributes["version"].empty())
	version=atoi(obj.attributes["version"][0].c_str());
	if(version<MIN_VERSION \|\| version>MAX_VERSION){
	//NOTE: We keep the console output English so we put the string literal here twice.
	cerr<<"ERROR: Addon list version is unsupported! (received: "<<version<<" supported:"<<MIN_VERSION<<"-"<<MAX_VERSION<<")"<<endl;
	error=_("ERROR: Addon list version is unsupported!");
	return false;
	}

	//Also load the installed_addons file.
	ifstream iaddonFile;
	iaddonFile.open((getUserPath(USER_CONFIG)+"installed_addons").c_str());

	if(!iaddonFile) {
	//The installed_addons file doesn't exist, so we create it.
	ofstream iaddons;
	iaddons.open((getUserPath(USER_CONFIG)+"installed_addons").c_str());
	iaddons<<" "<<endl;
	iaddons.close();

	//Also load the installed_addons file.
	iaddonFile.open((getUserPath(USER_CONFIG)+"installed_addons").c_str());
	if(!iaddonFile) {
	//NOTE: We keep the console output English so we put the string literal here twice.
	cerr<<"ERROR: Unable to create the installed_addons file."<<endl;
	/// TRANSLATORS: installed_addons is the name of a file and should not be translated.
	error=_("ERROR: Unable to create the installed_addons file.");
	return false;
	}
	}

	//And parse the installed_addons file.
	TreeStorageNode obj1;
	{
	POASerializer objSerializer;
	if(!objSerializer.readNode(iaddonFile,&obj1,true)){
	//NOTE: We keep the console output English so we put the string literal here twice.
	cerr<<"ERROR: Invalid file format of the installed_addons!"<<endl;
	error=_("ERROR: Invalid file format of the installed_addons!");
	return false;
	}
	}


	//Fill the vector.
	fillAddonList(obj,obj1, renderer, imageManager);

	//Close the files.
	iaddonFile.close();
	addonFile.close();
	return true;
	}

	void Addons::fillAddonList(TreeStorageNode &objAddons, TreeStorageNode &objInstalledAddons,
	SDL_Renderer& renderer, ImageManager& imageManager){
	//Loop through the blocks of the addons file.
	//These should contain the types levels, levelpacks, themes.
	for(unsigned int i=0;i<objAddons.subNodes.size();i++){
	TreeStorageNode* block=objAddons.subNodes[i];
	if(block==NULL) continue;

	//Check what kind of block it is, only category at the moment.
	if(block->name=="category" && block->value.size()>0){
	string type=block->value[0];

	//Now loop the entries(subNodes) of the block.
	for(unsigned int i=0;i<block->subNodes.size();i++){
	TreeStorageNode* entry=block->subNodes[i];
	if(entry==NULL) continue;
	if(entry->name=="entry" && entry->value.size()==1){
	//The entry is valid so create a new Addon.
	Addon addon;
	addon.icon=nullptr;
	addon.screenshot=nullptr;
	addon.type=type;
	addon.name=entry->value[0];
	addon.version = 0;
	addon.installedVersion = 0;

	if(!entry->attributes["file"].empty())
	addon.file=entry->attributes["file"][0];
	if(!entry->attributes["author"].empty())
	addon.author=entry->attributes["author"][0];
	if(!entry->attributes["description"].empty())
	addon.description=entry->attributes["description"][0];
	if(!entry->attributes["license"].empty())
	addon.license=entry->attributes["license"][0];
	if(!entry->attributes["website"].empty())
	addon.website=entry->attributes["website"][0];
	if(entry->attributes["icon"].size()>1){
	//There are (at least) two values, the url to the icon and its md5sum used for caching.
	addon.icon=loadCachedImage(
	entry->attributes["icon"][0].c_str(),
	entry->attributes["icon"][1].c_str(),
	imageManager
	);
	}
	if(entry->attributes["screenshot"].size()>1){
	//There are (at least) two values, the url to the screenshot and its md5sum used for caching.
	addon.screenshot=loadCachedTexture(
	entry->attributes["screenshot"][0].c_str(),
	entry->attributes["screenshot"][1].c_str(),
	renderer,
	imageManager
	);
	}
	if(!entry->attributes["version"].empty())
	addon.version=atoi(entry->attributes["version"][0].c_str());
	addon.upToDate=false;
	addon.installed=false;

	//Check if the addon is already installed.
	for(unsigned int i=0;i<objInstalledAddons.subNodes.size();i++){
	TreeStorageNode* installed=objInstalledAddons.subNodes[i];
	if(installed==NULL) continue;
	if(installed->name=="entry" && installed->value.size()==3){
	if(addon.type.compare(installed->value[0])==0 && addon.name.compare(installed->value[1])==0) {
	addon.installed=true;
	addon.installedVersion=atoi(installed->value[2].c_str());
	if(addon.installedVersion>=addon.version) {
	addon.upToDate=true;
	}

	//Read the dependencies and content from the file.
	for(unsigned int j=0;j<installed->subNodes.size();j++){
	if(installed->subNodes[j]->name=="content"){
	TreeStorageNode* obj=installed->subNodes[j];
	for(unsigned int k=0;k<obj->subNodes.size();k++){
	if(obj->subNodes[k]->value.size()==1)
	addon.content.push_back(pair<string,string>(obj->subNodes[k]->name,obj->subNodes[k]->value[0]));
	}
	}else if(installed->subNodes[j]->name=="dependencies"){
	TreeStorageNode* obj=installed->subNodes[j];
	for(unsigned int k=0;k<obj->subNodes.size();k++){
	if(obj->subNodes[k]->value.size()==1)
	addon.dependencies.push_back(pair<string,string>(obj->subNodes[k]->name,obj->subNodes[k]->value[0]));
	}
	}
	}
	}
	}
	}

	//Finally put him in the list.
	addons.push_back(addon);
	}
	}
	}
	}
	}

	void Addons::addonsToList(const std::string &type, SDL_Renderer& renderer, ImageManager&){
	//Clear the list.
	list->clearItems();
	//Loop through the addons.
	for(unsigned int i=0;i<addons.size();i++) {
	//Make sure the addon is of the requested type.
	if(addons[i].type!=type)
	continue;

	const Addon& addon=addons[i];

	string entry=addon.name+" by "+addon.author;
	if(addon.installed){
	if(addon.upToDate){
	entry+=" *";
	}else{
	entry+=" +";
	}
	}
	SurfacePtr surf = createSurface(list->width,74);

	//Check if there's an icon for the addon.
	if(addon.icon){
	applySurface(5, 5, addon.icon, surf.get(), NULL);
	}else{
	auto it = addonIcon.find(type);
	if (it == addonIcon.end()) it = addonIcon.find(std::string());
	assert(it != addonIcon.end());

	applySurface(5, 5, it->second, surf.get(), NULL);
	}

	SDL_Surface* nameSurf=TTF_RenderUTF8_Blended(fontGUI,addon.name.c_str(),objThemes.getTextColor(true));
	SDL_SetSurfaceAlphaMod(nameSurf,0xFF);
	applySurface(74,-1,nameSurf,surf.get(),NULL);
	SDL_FreeSurface(nameSurf);

	/// TRANSLATORS: indicates the author of an addon.
	string authorLine = tfm::format(_("by %s"),addon.author);
	SDL_Surface* authorSurf=TTF_RenderUTF8_Blended(fontText,authorLine.c_str(),objThemes.getTextColor(true));
	SDL_SetSurfaceAlphaMod(authorSurf,0xFF);
	applySurface(74,43,authorSurf,surf.get(),NULL);
	SDL_FreeSurface(authorSurf);

	if(addon.installed){
	if(addon.upToDate){
	SDL_Surface* infoSurf=TTF_RenderUTF8_Blended(fontText,_("Installed"),objThemes.getTextColor(true));
	SDL_SetSurfaceAlphaMod(infoSurf,0xFF);
	applySurface(surf->w-infoSurf->w-32,(surf->h-infoSurf->h)/2,infoSurf,surf.get(),NULL);
	SDL_FreeSurface(infoSurf);
	}else{
	SDL_Surface* infoSurf=TTF_RenderUTF8_Blended(fontText,_("Updatable"),objThemes.getTextColor(true));
	SDL_SetSurfaceAlphaMod(infoSurf,0xFF);
	applySurface(surf->w-infoSurf->w-32,(surf->h-infoSurf->h)/2,infoSurf,surf.get(),NULL);
	SDL_FreeSurface(infoSurf);
	}
	}else{
	SDL_Color c = objThemes.getTextColor(true);
	c.r = c.r / 2 + 128;
	c.g = c.g / 2 + 128;
	c.b = c.b / 2 + 128;
	SDL_Surface* infoSurf = TTF_RenderUTF8_Blended(fontText, _("Not installed"), c);
	SDL_SetSurfaceAlphaMod(infoSurf,0xFF);
	applySurface(surf->w-infoSurf->w-32,(surf->h-infoSurf->h)/2,infoSurf,surf.get(),NULL);
	SDL_FreeSurface(infoSurf);
	}

	list->addItem(renderer,entry,textureFromSurface(renderer,std::move(surf)));
	}
	}

	bool Addons::saveInstalledAddons(){
	//Open the file.
	ofstream iaddons;
	iaddons.open((getUserPath(USER_CONFIG)+"installed_addons").c_str());
	if(!iaddons) return false;

	TreeStorageNode installed;

	//Loop through all the addons.
	vector<Addon>::iterator it;
	for(it=addons.begin();it!=addons.end();++it){
	//Check if the level is installed or not.
	if(it->installed) {
	TreeStorageNode *entry=new TreeStorageNode;
	entry->name="entry";
	entry->value.push_back(it->type);
	entry->value.push_back(it->name);
	char version[64];
	sprintf(version,"%d",it->installedVersion);
	entry->value.push_back(version);

	//Now add a subNode for each content.
	TreeStorageNode* content=new TreeStorageNode;
	content->name="content";
	for(unsigned int i=0;i<it->content.size();i++){
	TreeStorageNode* contentEntry=new TreeStorageNode;
	contentEntry->name=it->content[i].first;
	contentEntry->value.push_back(it->content[i].second);

	//Add the content node to the entry node.
	content->subNodes.push_back(contentEntry);
	}
	entry->subNodes.push_back(content);

	//Now add a sub node for the dependencies.
	TreeStorageNode* deps=new TreeStorageNode;
	deps->name="dependencies";
	for(unsigned int i=0;i<it->dependencies.size();i++){
	TreeStorageNode* depsEntry=new TreeStorageNode;
	depsEntry->name=it->dependencies[i].first;
	depsEntry->value.push_back(it->dependencies[i].second);

	//Add the content node to the entry node.
	deps->subNodes.push_back(depsEntry);
	}
	entry->subNodes.push_back(deps);

	//And add the entry to the top node.
	installed.subNodes.push_back(entry);
	}
	}

	//And write away the file.
	POASerializer objSerializer;
	objSerializer.writeNode(&installed,iaddons,true,true);

	return true;
	}

	SharedTexture Addons::loadCachedTexture(const char* url,const char* md5sum,
	SDL_Renderer& renderer, ImageManager& imageManager){
	//Check if the image is cached.
	string imageFile=getUserPath(USER_CACHE)+"images/"+md5sum;
	if(fileExists(imageFile.c_str())){
	//It is, so load the image.
	return imageManager.loadTexture(imageFile, renderer);
	}else{
	//Download the image.
	FILE* file=fopen(imageFile.c_str(),"wb");

	//Downloading failed.
	if(!downloadFile(url,file)){
	cerr<<"ERROR: Unable to download image from "<<url<<endl;
	fclose(file);
	return NULL;
	}
	fclose(file);

	//Load the image.
	return imageManager.loadTexture(imageFile, renderer);
	}
	}

	SDL_Surface* Addons::loadCachedImage(const char* url, const char* md5sum,
	ImageManager& imageManager){
	//Check if the image is cached.
	string imageFile = getUserPath(USER_CACHE) + "images/" + md5sum;
	if (fileExists(imageFile.c_str())){
	//It is, so load the image.
	return imageManager.loadImage(imageFile);
	} else{
	//Download the image.
	FILE* file = fopen(imageFile.c_str(), "wb");

	//Downloading failed.
	if (!downloadFile(url, file)){
	cerr << "ERROR: Unable to download image from " << url << endl;
	fclose(file);
	return NULL;
	}
	fclose(file);

	//Load the image.
	return imageManager.loadImage(imageFile);
	}
	}

	void Addons::handleEvents(ImageManager& imageManager, SDL_Renderer& renderer){
	//Check if we should quit.
	if(event.type==SDL_QUIT){
	//Save the installed addons before exiting.
	saveInstalledAddons();
	setNextState(STATE_EXIT);
	}

	//Check if escape is pressed, if so return to the main menu.
	if(inputMgr.isKeyDownEvent(INPUTMGR_ESCAPE)){
	setNextState(STATE_MENU);
	}

	//Check horizontal movement
	int value = categoryList->value;
	if (inputMgr.isKeyDownEvent(INPUTMGR_RIGHT)){
	isKeyboardOnly = true;
	value++;
	if (value >= (int)categoryList->item.size()) value = 0;
	} else if (inputMgr.isKeyDownEvent(INPUTMGR_LEFT)){
	isKeyboardOnly = true;
	value--;
	if (value < 0) value = categoryList->item.size() - 1;
	}

	if (value >= 0 && value < (int)categoryList->item.size()) {
	if (categoryList->value != value) {
	categoryList->value = value;
	GUIEventCallback_OnEvent(imageManager, renderer, categoryList->name, categoryList, GUIEventChange);
	return;
	}

	//Check vertical movement
	if (inputMgr.isKeyDownEvent(INPUTMGR_UP)){
	isKeyboardOnly = true;
	list->value--;
	if (list->value < 0) list->value = 0;

	//FIXME: ad-hoc stupid code
	list->scrollScrollbar(0xC0000000);
	list->scrollScrollbar(list->value);
	} else if (inputMgr.isKeyDownEvent(INPUTMGR_DOWN)){
	isKeyboardOnly = true;
	list->value++;
	if (list->value >= (int)list->item.size()) list->value = list->item.size() - 1;

	//FIXME: ad-hoc stupid code
	list->scrollScrollbar(0xC0000000);
	list->scrollScrollbar(list->value);
	}

	if (isKeyboardOnly && inputMgr.isKeyDownEvent(INPUTMGR_SELECT) && list->value >= 0 && list->value<(int)list->item.size()) {
	GUIEventCallback_OnEvent(imageManager, renderer, list->name, list, GUIEventChange); // ???
	GUIEventCallback_OnEvent(imageManager, renderer, list->name, list, GUIEventClick);
	return;
	}
	}
	}

	void Addons::logic(ImageManager&, SDL_Renderer&){}

	void Addons::render(ImageManager&, SDL_Renderer& renderer){
	//Draw background.
	objThemes.getBackground(true)->draw(renderer);

	//Draw the title.
	drawTitleTexture(SCREEN_WIDTH, *title, renderer);
	}

	void Addons::resize(ImageManager& imageManager, SDL_Renderer& renderer){
	//Delete the gui (if any).
	if(GUIObjectRoot){
	delete GUIObjectRoot;
	GUIObjectRoot=NULL;
	}

	//Now create a new one.
	createGUI(renderer, imageManager);
	}

	void Addons::showAddon(ImageManager& imageManager, SDL_Renderer& renderer){
	//Make sure an addon is selected.
	if(!selected)
	return;

	+ //Skip next mouse up event since we're clicking a list box and showing a new window.
	+ GUISkipNextMouseUpEvent = true;
	+
	//Create a root object.
	GUIObject* root=new GUIFrame(imageManager,renderer,(SCREEN_WIDTH-600)/2,(SCREEN_HEIGHT-400)/2,600,400,selected->name.c_str());

	//Create the 'by creator' label.
	GUIObject* obj=new GUILabel(imageManager,renderer,0,50,600,50,tfm::format(_("by %s"),selected->author).c_str(),0,true,true,GUIGravityCenter);
	root->addChild(obj);

	//Create the description text.
	std::string s = tfm::format(_("Version: %d\n"), selected->version);
	if (selected->installed) {
	s += tfm::format(_("Installed version: %d\n"), selected->installedVersion);
	}
	if (!selected->license.empty()) {
	s += tfm::format(_("License: %s\n"), appendURLToLicense(selected->license));
	}
	if (!selected->website.empty()) {
	s += tfm::format(_("Website: %s\n"), selected->website);
	}
	s += '\n';
	if (selected->description.empty()) {
	s += _("(No descriptions provided)");
	} else {
	s += selected->description;
	}

	GUITextArea* description=new GUITextArea(imageManager,renderer,10,100,370,200);
	description->setString(renderer, s, true);
	description->editable=false;
	description->resize();
	description->extractHyperlinks();
	root->addChild(description);

	//Create the screenshot image. (If a screenshot is missing, we use the default screenshot.)
	GUIImage* img=new GUIImage(imageManager,renderer,390,100,200,150,selected->screenshot?selected->screenshot:screenshot);
	root->addChild(img);

	GUIButton *cancelButton;

	//Add buttons depending on the installed/update status.
	if(selected->installed && !selected->upToDate){
	GUIObject* bRemove=new GUIButton(imageManager,renderer,root->width*0.97,350,-1,32,_("Remove"),0,true,true,GUIGravityRight);
	bRemove->name="cmdRemove";
	bRemove->eventCallback=this;
	root->addChild(bRemove);
	//Create a back button.
	cancelButton = new GUIButton(imageManager, renderer, root->width*0.03, 350, -1, 32, _("Back"), 0, true, true, GUIGravityLeft);
	cancelButton->name = "cmdCloseOverlay";
	cancelButton->eventCallback = this;
	root->addChild(cancelButton);

	//Update widget sizes.
	root->render(renderer, 0,0,false);

	//Create a nicely centered button.
	obj = new GUIButton(imageManager, renderer,
	(int)floor((cancelButton->left + cancelButton->width + bRemove->left - bRemove->width)*0.5), 350,
	-1, 32, _("Update"), 0, true, true, GUIGravityCenter);
	obj->name="cmdUpdate";
	obj->eventCallback=this;
	root->addChild(obj);
	}else{
	if(!selected->installed){
	obj=new GUIButton(imageManager,renderer,root->width*0.9,350,-1,32,_("Install"),0,true,true,GUIGravityRight);
	obj->name="cmdInstall";
	obj->eventCallback=this;
	root->addChild(obj);
	}else if(selected->upToDate){
	obj=new GUIButton(imageManager,renderer,root->width*0.9,350,-1,32,_("Remove"),0,true,true,GUIGravityRight);
	obj->name="cmdRemove";
	obj->eventCallback=this;
	root->addChild(obj);
	}
	//Create a back button.
	cancelButton = new GUIButton(imageManager, renderer, root->width*0.1, 350, -1, 32, _("Back"), 0, true, true, GUIGravityLeft);
	cancelButton->name = "cmdCloseOverlay";
	cancelButton->eventCallback = this;
	root->addChild(cancelButton);
	}

	new AddonOverlay(renderer, root, cancelButton, description);
	}

	void Addons::GUIEventCallback_OnEvent(ImageManager& imageManager, SDL_Renderer& renderer, std::string name,GUIObject* obj,int eventType){
	if(name=="lstTabs"){
	//Get the category type.
	type=categoryList->getName();
	//Get the description of current category.
	auto it = categoryDescriptionMap.find(type);
	if (it != categoryDescriptionMap.end()) categoryDescription->caption = _(it->second);
	else categoryDescription->caption.clear();
	//Get the list corresponding with the category and select the first entry.
	addonsToList(type, renderer, imageManager);
	list->value=-1;
	//Call an event as if an entry in the addons listbox was clicked.
	GUIEventCallback_OnEvent(imageManager, renderer, "lstAddons",list,GUIEventChange);
	}else if(name=="lstAddons"){
	//Check which type of event.
	if(eventType==GUIEventChange){
	//Get the addon struct that belongs to it.
	Addon* addon=NULL;

	//Make sure the addon list on screen isn't empty.
	if (list->value >= 0 && list->value < (int)list->item.size()){
	//Get the name of the (newly) selected entry.
	string entry=list->getItem(list->value);

	//Loop through the addons of the selected category.
	for(unsigned int i=0;i<addons.size();i++){
	//Make sure the addons are of the same type.
	if(addons[i].type!=categoryList->getName())
	continue;

	string prefix=addons[i].name;
	if(!entry.compare(0,prefix.size(),prefix)){
	addon=&addons[i];
	}
	}
	}

	//Set the new addon as selected and unselect the list.
	selected=addon;
	if (!isKeyboardOnly) list->value = -1;
	}else if(eventType==GUIEventClick){
	//Make sure an addon is selected.
	if(selected){
	showAddon(imageManager,renderer);
	}
	}
	}else if(name=="cmdBack"){
	saveInstalledAddons();
	setNextState(STATE_MENU);
	}else if(name=="cmdCloseOverlay"){
	//We can safely delete the GUIObjectRoot, since it's handled by the GUIOverlay.
	delete GUIObjectRoot;
	GUIObjectRoot=NULL;
	}else if(name=="cmdUpdate"){
	//NOTE: This simply removes the addon and reinstalls it.
	//The complete addon is downloaded either way so no need for checking what has been changed/added/removed/etc...
	if(selected){
	removeAddon(imageManager,renderer,selected);
	installAddon(imageManager,renderer,selected);
	}
	addonsToList(categoryList->getName(), renderer, imageManager);
	}else if(name=="cmdInstall"){
	if(selected)
	installAddon(imageManager,renderer,selected);
	addonsToList(categoryList->getName(), renderer, imageManager);
	}else if(name=="cmdRemove"){
	//TODO: Check for dependencies.
	//Loop through the addons to check if this addon is a dependency of another addon.
	vector<Addon>::iterator it;
	for(it=addons.begin();it!=addons.end();++it){
	//Check if the addon has dependencies.
	if(!it->dependencies.empty()){
	vector<pair<string,string> >::iterator depIt;
	for(depIt=it->dependencies.begin();depIt!=it->dependencies.end();++depIt){
	if(depIt->first=="addon" && depIt->second==selected->name){
	msgBox(imageManager,renderer,"This addon can't be removed because it's needed by "+it->name,MsgBoxOKOnly,"Dependency");
	return;
	}
	}
	}
	}

	if(selected)
	removeAddon(imageManager,renderer,selected);
	addonsToList(categoryList->getName(), renderer, imageManager);
	}

	//NOTE: In case of install/remove/update we can delete the GUIObjectRoot, since it's managed by the GUIOverlay.
	if(name=="cmdUpdate" \|\| name=="cmdInstall" \|\| name=="cmdRemove"){
	delete GUIObjectRoot;
	GUIObjectRoot=NULL;
	}
	}

	void Addons::removeAddon(ImageManager& imageManager,SDL_Renderer& renderer, Addon* addon){
	//To remove an addon we loop over the content vector in the structure.
	//NOTE: This should contain all INSTALLED content, if something failed during installation it isn't added.
	for(unsigned int i=0;i<addon->content.size();i++){
	//Check the type of content.
	if(addon->content[i].first=="file"){
	string file=getUserPath(USER_DATA)+addon->content[i].second;
	//Check if the file exists.
	if(!fileExists(file.c_str())){
	cerr<<"WARNING: File '"<<file<<"' appears to have been removed already."<<endl;
	msgBox(imageManager,renderer,"WARNING: File '"+file+"' appears to have been removed already.",MsgBoxOKOnly,"Addon error");
	continue;
	}

	//Remove the file.
	if(!removeFile(file.c_str())){
	cerr<<"ERROR: Unable to remove file '"<<file<<"'!"<<endl;
	msgBox(imageManager,renderer,"ERROR: Unable to remove file '"+file+"'!",MsgBoxOKOnly,"Addon error");
	continue;
	}
	}else if(addon->content[i].first=="folder"){
	string dir=getUserPath(USER_DATA)+addon->content[i].second;
	//Check if the directory exists.
	if(!dirExists(dir.c_str())){
	cerr<<"WARNING: Directory '"<<dir<<"' appears to have been removed already."<<endl;
	msgBox(imageManager,renderer,"WARNING: Directory '"+dir+"' appears to have been removed already.",MsgBoxOKOnly,"Addon error");
	continue;
	}

	//Remove the directory.
	if(!removeDirectory(dir.c_str())){
	cerr<<"ERROR: Unable to remove directory '"<<dir<<"'!"<<endl;
	msgBox(imageManager,renderer,"ERROR: Unable to remove directory '"+dir+"'!",MsgBoxOKOnly,"Addon error");
	continue;
	}
	}else if(addon->content[i].first=="level"){
	string file=getUserPath(USER_DATA)+"levels/"+addon->content[i].second;

	//Check if the level file exists.
	if(!fileExists(file.c_str())){
	cerr<<"WARNING: Level '"<<file<<"' appears to have been removed already."<<endl;
	msgBox(imageManager,renderer,"WARNING: Level '"+file+"' appears to have been removed already.",MsgBoxOKOnly,"Addon error");
	continue;
	}
	//Remove the level file.
	if(!removeFile(file.c_str())){
	cerr<<"ERROR: Unable to remove level '"<<file<<"'!"<<endl;
	msgBox(imageManager,renderer,"ERROR: Unable to remove level '"+file+"'!",MsgBoxOKOnly,"Addon error");
	continue;
	}
	//Also remove the level from the Levels levelpack.
	LevelPack* levelsPack=getLevelPackManager()->getLevelPack("Levels/");

	for(int i=0;i<levelsPack->getLevelCount();i++){
	if(levelsPack->getLevelFile(i)==file){
	//Remove the level and break out of the loop.
	levelsPack->removeLevel(i);
	break;
	}
	}
	}else if(addon->content[i].first=="levelpack"){
	//FIXME: We assume no trailing slash since there mustn't be one for installing, bad :(
	string dir=getUserPath(USER_DATA)+"levelpacks/"+addon->content[i].second+"/";
	//Check if the directory exists.
	if(!dirExists(dir.c_str())){
	cerr<<"WARNING: Levelpack directory '"<<dir<<"' appears to have been removed already."<<endl;
	msgBox(imageManager,renderer,"WARNING: Levelpack directory '"+dir+"' appears to have been removed already.",MsgBoxOKOnly,"Addon error");
	continue;
	}

	//Remove the directory.
	if(!removeDirectory(dir.c_str())){
	cerr<<"ERROR: Unable to remove levelpack directory '"<<dir<<"'!"<<endl;
	msgBox(imageManager,renderer,"ERROR: Unable to remove levelpack directory '"+dir+"'!",MsgBoxOKOnly,"Addon error");
	continue;
	}

	//Also remove the levelpack from the levelpackManager.
	getLevelPackManager()->removeLevelPack(dir);
	}
	}

	//Now that the content has been removed clear the content list itself.
	addon->content.clear();
	//And finally set the addon to not installed.
	addon->installed=false;
	addon->installedVersion=0;

	//Also clear the 'offline' information.
	addon->content.clear();
	addon->dependencies.clear();
	}

	void Addons::installAddon(ImageManager& imageManager,SDL_Renderer& renderer, Addon* addon){
	string tmpDir=getUserPath(USER_CACHE)+"tmp/";
	string fileName=fileNameFromPath(addon->file,true);

	//Download the selected addon to the tmp folder.
	if(!downloadFile(addon->file,tmpDir)){
	cerr<<"ERROR: Unable to download addon file "<<addon->file<<endl;
	msgBox(imageManager,renderer,"ERROR: Unable to download addon file "+addon->file,MsgBoxOKOnly,"Addon error");
	return;
	}

	//Now extract the addon.
	if(!extractFile(tmpDir+fileName,tmpDir+"/addon/")){
	cerr<<"ERROR: Unable to extract addon file "<<addon->file<<endl;
	msgBox(imageManager,renderer,"ERROR: Unable to extract addon file "+addon->file,MsgBoxOKOnly,"Addon error");
	return;
	}

	ifstream metadata((tmpDir+"/addon/metadata").c_str());
	if(!metadata){
	cerr<<"ERROR: Addon is missing metadata!"<<endl;
	msgBox(imageManager,renderer,"ERROR: Addon is missing metadata!",MsgBoxOKOnly,"Addon error");
	return;
	}

	//Read the metadata from the addon.
	TreeStorageNode obj;
	{
	POASerializer objSerializer;
	if(!objSerializer.readNode(metadata,&obj,true)){
	//NOTE: We keep the console output English so we put the string literal here twice.
	cerr<<"ERROR: Invalid file format for metadata file!"<<endl;
	msgBox(imageManager,renderer,"ERROR: Invalid file format for metadata file!",MsgBoxOKOnly,"Addon error");
	return;
	}
	}

	//Loop through the subNodes.
	for(unsigned int i=0;i<obj.subNodes.size();i++){
	//Check for the content subNode (there should only be one).
	if(obj.subNodes[i]->name=="content"){
	TreeStorageNode* obj1=obj.subNodes[i];

	//Loop through the subNodes of that.
	for(unsigned int j=0;j<obj1->subNodes.size();j++){
	TreeStorageNode* obj2=obj1->subNodes[j];

	//This code happens for all types of content.
	string source=tmpDir+"addon/content/";
	if(obj2->value.size()>0)
	source+=obj2->value[0];
	//The destination MUST be in the user data path.
	string dest=getUserPath(USER_DATA);
	if(obj2->value.size()>1)
	dest+=obj2->value[1];

	//Check what the content type is.
	if(obj2->name=="file" && obj2->value.size()==2){
	//Now copy the file.
	if(fileExists(dest.c_str())){
	cerr<<"WARNING: File '"<<dest<<"' already exists, addon may be broken or not working!"<<endl;
	msgBox(imageManager,renderer,"WARNING: File '"+dest+"' already exists, addon may be broken or not working!",MsgBoxOKOnly,"Addon error");
	continue;
	}
	if(!copyFile(source.c_str(),dest.c_str())){
	cerr<<"WARNING: Unable to copy file '"<<source<<"' to '"<<dest<<"', addon may be broken or not working!"<<endl;
	msgBox(imageManager,renderer,"WARNING: Unable to copy file '"+source+"' to '"+dest+"', addon may be broken or not working!",MsgBoxOKOnly,"Addon error");
	continue;
	}

	//Add it to the content vector.
	addon->content.push_back(pair<string,string>("file",obj2->value[1]));
	}else if(obj2->name=="folder" && obj2->value.size()==2){
	//The dest must NOT exist, otherwise it will fail.
	if(dirExists(dest.c_str())){
	cerr<<"WARNING: Destination directory '"<<dest<<"' already exists, addon may be broken or not working!"<<endl;
	msgBox(imageManager,renderer,"WARNING: Destination directory '"+dest+"' already exists, addon may be broken or not working!",MsgBoxOKOnly,"Addon error");
	continue;
	}
	//FIXME: Copy the directory instead of renaming it, in case the same folder/parts of the folder are needed in different places.
	if(!renameDirectory(source.c_str(),dest.c_str())){
	cerr<<"WARNING: Unable to move directory '"<<source<<"' to '"<<dest<<"', addon may be broken or not working!"<<endl;
	msgBox(imageManager,renderer,"WARNING: Unable to move directory '"+source+"' to '"+dest+"', addon may be broken or not working!",MsgBoxOKOnly,"Addon error");
	continue;
	}

	//Add it to the content vector.
	addon->content.push_back(pair<string,string>("folder",obj2->value[1]));
	}else if(obj2->name=="level" && obj2->value.size()==1){
	//The destination MUST be in the levels folder in the user data path.
	dest+="levels/"+fileNameFromPath(source);

	//Now copy the file.
	if(fileExists(dest.c_str())){
	cerr<<"WARNING: Level '"<<dest<<"' already exists, addon may be broken or not working!"<<endl;
	msgBox(imageManager,renderer,"WARNING: Level '"+dest+"' already exists, addon may be broken or not working!",MsgBoxOKOnly,"Addon error");
	continue;
	}
	if(!copyFile(source.c_str(),dest.c_str())){
	cerr<<"WARNING: Unable to copy level '"<<source<<"' to '"<<dest<<"', addon may be broken or not working!"<<endl;
	msgBox(imageManager,renderer,"WARNING: Unable to copy level '"+source+"' to '"+dest+"', addon may be broken or not working!",MsgBoxOKOnly,"Addon error");
	continue;
	}

	//It's a level so add it to the Levels levelpack.
	LevelPack* levelsPack=getLevelPackManager()->getLevelPack("Levels/");
	if(levelsPack){
	levelsPack->addLevel(dest);
	levelsPack->setLocked(levelsPack->getLevelCount()-1);
	}else{
	cerr<<"ERROR: Unable to add level to Levels levelpack"<<endl;
	}
	addon->content.push_back(pair<string,string>("level",fileNameFromPath(source)));
	}else if(obj2->name=="levelpack" && obj2->value.size()==1){
	//TODO: Check if the source contains a trailing slash.

	//The destination MUST be in the user data path.
	dest+="levelpacks/"+fileNameFromPath(source);

	//The dest must NOT exist, otherwise it will fail.
	if(dirExists(dest.c_str())){
	cerr<<"WARNING: Levelpack directory '"<<dest<<"' already exists, addon may be broken or not working!"<<endl;
	msgBox(imageManager,renderer,"WARNING: Levelpack directory '"+dest+"' already exists, addon may be broken or not working!",MsgBoxOKOnly,"Addon error");
	continue;
	}
	//FIXME: Copy the directory instead of renaming it, in case the same folder/parts of the folder are needed in different places.
	if(!renameDirectory(source.c_str(),dest.c_str())){
	cerr<<"WARNING: Unable to move directory '"<<source<<"' to '"<<dest<<"', addon may be broken or not working!"<<endl;
	msgBox(imageManager,renderer,"WARNING: Unable to move directory '"+source+"' to '"+dest+"', addon may be broken or not working!",MsgBoxOKOnly,"Addon error");
	continue;
	}

	//It's a levelpack so add it to the levelpack manager.
	getLevelPackManager()->loadLevelPack(dest);
	addon->content.push_back(pair<string,string>("levelpack",fileNameFromPath(source)));
	}
	}
	}else if(obj.subNodes[i]->name=="dependencies"){
	TreeStorageNode* obj1=obj.subNodes[i];

	//Loop through the subNodes of that.
	for(unsigned int j=0;j<obj1->subNodes.size();j++){
	TreeStorageNode* obj2=obj1->subNodes[j];

	if(obj2->name=="addon" && obj2->value.size()>0){
	Addon* dep=NULL;

	//Check if the requested addon can be found.
	vector<Addon>::iterator it;
	for(it=addons.begin();it!=addons.end();++it){
	if(it->name==obj2->value[0]){
	dep=&(*it);
	break;
	}
	}

	if(!dep){
	cerr<<"ERROR: Addon requires another addon ("<<obj2->value[0]<<") which can't be found!"<<endl;
	msgBox(imageManager,renderer,"ERROR: Addon requires another addon ("+obj2->value[0]+") which can't be found!",MsgBoxOKOnly,"Addon error");
	continue;
	}

	//The addon has been found, try to install it.
	//FIXME: Somehow prevent recursion, maybe max depth (??)
	if(!dep->installed){
	msgBox(imageManager,renderer,"The addon "+dep->name+" is needed and will be installed now.",MsgBoxOKOnly,"Dependency");
	installAddon(imageManager,renderer, dep);
	}

	//Add the dependency to the addon.
	addon->dependencies.push_back(pair<string,string>("addon",dep->name));
	}
	}
	}
	}

	//The addon is installed and up to date, but not necessarily flawless.
	addon->installed=true;
	addon->upToDate=true;
	addon->installedVersion=addon->version;
	}
	diff --git a/src/GUIObject.cpp b/src/GUIObject.cpp
	index 1033fd0..b5509c6 100644
	--- a/src/GUIObject.cpp
	+++ b/src/GUIObject.cpp
	@@ -1,1206 +1,1219 @@
	/*
	* Copyright (C) 2011-2012 Me and My Shadow
	*
	* This file is part of Me and My Shadow.
	*
	* Me and My Shadow is free software: you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation, either version 3 of the License, or
	* (at your option) any later version.
	*
	* Me and My Shadow is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
	*/

	#include "Functions.h"
	#include "GUIObject.h"
	#include "ThemeManager.h"
	#include "InputManager.h"
	#include "GUISpinBox.h"
	#include "GUIListBox.h"
	#include "GUISlider.h"
	#include <algorithm>
	#include <iostream>
	#include <list>
	#include <SDL_ttf.h>

	#include "Render.h"

	using namespace std;

	//Set the GUIObjectRoot to NULL.
	GUIObject* GUIObjectRoot=NULL;
	//Initialise the event queue.
	list<GUIEvent> GUIEventQueue;

	+//A boolean variable used to skip next mouse up event for GUI (temporary workaround).
	+bool GUISkipNextMouseUpEvent = false;
	+
	void GUIObjectHandleEvents(ImageManager& imageManager, SDL_Renderer& renderer, bool kill){
	//NOTE: This was already not doing anything so commenting it for now.
	/*
	//Check if user resizes the window.
	if(event.type==SDL_VIDEORESIZE){
	//onVideoResize();

	//Don't let other objects process this event (?)
	return;
	}*/

	- //Make sure that GUIObjectRoot isn't null.
	- if(GUIObjectRoot)
	- GUIObjectRoot->handleEvents(renderer);
	+ //Check if we need to reset the skip variable.
	+ if (event.type == SDL_MOUSEBUTTONDOWN) {
	+ GUISkipNextMouseUpEvent = false;
	+ }
	+
	+ //Check if we need to skip event.
	+ if (event.type == SDL_MOUSEBUTTONUP && GUISkipNextMouseUpEvent) {
	+ GUISkipNextMouseUpEvent = false;
	+ } else {
	+ //Make sure that GUIObjectRoot isn't null.
	+ if (GUIObjectRoot)
	+ GUIObjectRoot->handleEvents(renderer);
	+ }

	//Check for SDL_QUIT.
	if(event.type==SDL_QUIT && kill){
	//We get a quit event so enter the exit state.
	setNextState(STATE_EXIT);
	delete GUIObjectRoot;
	GUIObjectRoot=NULL;
	return;
	}

	//Keep calling events until there are none left.
	while(!GUIEventQueue.empty()){
	//Get one event and remove it from the queue.
	GUIEvent e=GUIEventQueue.front();
	GUIEventQueue.pop_front();

	//If an eventCallback exist call it.
	if(e.eventCallback){
	e.eventCallback->GUIEventCallback_OnEvent(imageManager,renderer,e.name,e.obj,e.eventType);
	}
	}
	//We empty the event queue just to be sure.
	GUIEventQueue.clear();
	}

	GUIObject::GUIObject(ImageManager& imageManager, SDL_Renderer& renderer, int left, int top, int width, int height,
	const char* caption, int value,
	bool enabled, bool visible, int gravity) :
	left(left), top(top), width(width), height(height),
	gravity(gravity), value(value),
	enabled(enabled), visible(visible),
	eventCallback(NULL), state(0),
	cachedEnabled(enabled), gravityX(0)
	{
	//Make sure that caption isn't NULL before setting it.
	if (caption){
	GUIObject::caption = caption;
	//And set the cached caption.
	cachedCaption = caption;
	}

	if (width <= 0)
	autoWidth = true;
	else
	autoWidth = false;

	inDialog = false;

	//Load the gui images.
	bmGuiTex = imageManager.loadTexture(getDataPath() + "gfx/gui.png", renderer);
	}

	GUIObject::~GUIObject(){
	//We need to delete every child we have.
	for(unsigned int i=0;i<childControls.size();i++){
	delete childControls[i];
	}
	//Deleted the childs now empty the childControls vector.
	childControls.clear();
	}

	void GUIObject::addChild(GUIObject* obj){
	//Add widget add a child
	childControls.push_back(obj);

	//Copy inDialog boolean from parent.
	obj->inDialog = inDialog;
	}

	GUIObject* GUIObject::getChild(const std::string& name){
	//Look for a child with the name.
	for (unsigned int i = 0; i<childControls.size(); i++)
	if (childControls[i]->name == name)
	return childControls[i];

	//Not found so return NULL.
	return NULL;
	}

	bool GUIObject::handleEvents(SDL_Renderer& renderer,int x,int y,bool enabled,bool visible,bool processed){
	//Boolean if the event is processed.
	bool b=processed;

	//The GUIObject is only enabled when its parent are enabled.
	enabled=enabled && this->enabled;
	//The GUIObject is only enabled when its parent are enabled.
	visible=visible && this->visible;

	//Get the absolute position.
	x+=left-gravityX;
	y+=top;

	//Also let the children handle their events.
	for(unsigned int i=0;i<childControls.size();i++){
	bool b1=childControls[i]->handleEvents(renderer,x,y,enabled,visible,b);

	//The event is processed when either our or the childs is true (or both).
	b=b\|\|b1;
	}
	return b;
	}

	void GUIObject::render(SDL_Renderer& renderer, int x,int y,bool draw){
	//There's no need drawing the GUIObject when it's invisible.
	if(!visible)
	return;

	//Get the absolute x and y location.
	x+=left;
	y+=top;

	//We now need to draw all the children of the GUIObject.
	for(unsigned int i=0;i<childControls.size();i++){
	childControls[i]->render(renderer,x,y,draw);
	}
	}

	void GUIObject::refreshCache(bool enabled) {
	//Check if the enabled state changed or the caption, if so we need to clear the (old) cache.
	if(enabled!=cachedEnabled \|\| caption.compare(cachedCaption)!=0 \|\| width<=0){
	//TODO: Only change alpha if only enabled changes.
	//Free the cache.
	cacheTex.reset(nullptr);

	//And cache the new values.
	cachedEnabled=enabled;
	cachedCaption=caption;

	//Finally resize the widget
	if(autoWidth)
	width=-1;
	}
	}

	int GUIObject::getSelectedControl() {
	for (int i = 0; i < (int)childControls.size(); i++) {
	GUIObject *obj = childControls[i];
	if (obj && obj->visible && obj->enabled && obj->state) {
	if (dynamic_cast<GUIButton>(obj) \|\| dynamic_cast<GUICheckBox>(obj)
	\|\| dynamic_cast<GUITextBox>(obj) \|\| dynamic_cast<GUISpinBox>(obj)
	\|\| dynamic_cast<GUISingleLineListBox*>(obj)
	\|\| dynamic_cast<GUISlider*>(obj)
	)
	{
	return i;
	}
	}
	}

	return -1;
	}

	void GUIObject::setSelectedControl(int index) {
	for (int i = 0; i < (int)childControls.size(); i++) {
	GUIObject *obj = childControls[i];
	if (obj && obj->visible && obj->enabled) {
	if (dynamic_cast<GUIButton>(obj) \|\| dynamic_cast<GUICheckBox>(obj)) {
	//It's a button.
	obj->state = (i == index) ? 1 : 0;
	} else if (dynamic_cast<GUITextBox>(obj) \|\| dynamic_cast<GUISpinBox>(obj)) {
	//It's a text box.
	obj->state = (i == index) ? 2 : 0;
	} else if (dynamic_cast<GUISingleLineListBox*>(obj)) {
	//It's a single line list box.
	obj->state = (i == index) ? 0x100 : 0;
	} else if (dynamic_cast<GUISlider*>(obj)) {
	//It's a slider.
	obj->state = (i == index) ? 0x10000 : 0;
	}
	}
	}
	}

	int GUIObject::selectNextControl(int direction, int selected) {
	//Get the index of currently selected control.
	if (selected == 0x80000000) {
	selected = getSelectedControl();
	}

	//Find the next control.
	for (int i = 0; i < (int)childControls.size(); i++) {
	if (selected < 0) {
	selected = 0;
	} else {
	selected += direction;
	if (selected >= (int)childControls.size()) {
	selected -= childControls.size();
	} else if (selected < 0) {
	selected += childControls.size();
	}
	}

	GUIObject *obj = childControls[selected];
	if (obj && obj->visible && obj->enabled) {
	if (dynamic_cast<GUIButton>(obj) \|\| dynamic_cast<GUICheckBox>(obj)
	\|\| dynamic_cast<GUITextBox>(obj) \|\| dynamic_cast<GUISpinBox>(obj)
	\|\| dynamic_cast<GUISingleLineListBox*>(obj)
	\|\| dynamic_cast<GUISlider*>(obj)
	)
	{
	setSelectedControl(selected);
	return selected;
	}
	}
	}

	return -1;
	}

	bool GUIObject::handleKeyboardNavigationEvents(ImageManager& imageManager, SDL_Renderer& renderer, int keyboardNavigationMode) {
	if (keyboardNavigationMode == 0) return false;

	//Check operation on focused control. These have higher priority.
	if (isKeyboardOnly) {
	//Check enter key.
	if ((keyboardNavigationMode & 8) != 0 && inputMgr.isKeyDownEvent(INPUTMGR_SELECT)) {
	int index = getSelectedControl();
	if (index >= 0) {
	GUIObject *obj = childControls[index];

	if (dynamic_cast<GUIButton*>(obj)) {
	//It's a button.
	if (obj->eventCallback) {
	obj->eventCallback->GUIEventCallback_OnEvent(imageManager, renderer, obj->name, obj, GUIEventClick);
	}
	return true;
	}
	if (dynamic_cast<GUICheckBox*>(obj)) {
	//It's a check box.
	obj->value = obj->value ? 0 : 1;
	if (obj->eventCallback) {
	obj->eventCallback->GUIEventCallback_OnEvent(imageManager, renderer, obj->name, obj, GUIEventClick);
	}
	return true;
	}
	}
	}

	//Check left/right key.
	if ((keyboardNavigationMode & 16) != 0 && (inputMgr.isKeyDownEvent(INPUTMGR_LEFT) \|\| inputMgr.isKeyDownEvent(INPUTMGR_RIGHT))) {
	int index = getSelectedControl();
	if (index >= 0) {
	GUIObject *obj = childControls[index];

	auto sllb = dynamic_cast<GUISingleLineListBox*>(obj);
	if (sllb) {
	//It's a single line list box.
	int newValue = sllb->value + (inputMgr.isKeyDownEvent(INPUTMGR_RIGHT) ? 1 : -1);
	if (newValue >= (int)sllb->item.size()) {
	newValue -= sllb->item.size();
	} else if (newValue < 0) {
	newValue += sllb->item.size();
	}

	if (sllb->value != newValue) {
	sllb->value = newValue;
	if (obj->eventCallback) {
	obj->eventCallback->GUIEventCallback_OnEvent(imageManager, renderer, obj->name, obj, GUIEventClick);
	}
	}
	return true;
	}

	auto slider = dynamic_cast<GUISlider*>(obj);
	if (slider) {
	//It's a slider.
	int newValue = slider->value + (inputMgr.isKeyDownEvent(INPUTMGR_RIGHT) ? slider->largeChange : -slider->largeChange);
	newValue = clamp(newValue, slider->minValue, slider->maxValue);

	if (slider->value != newValue) {
	slider->value = newValue;
	if (obj->eventCallback) {
	obj->eventCallback->GUIEventCallback_OnEvent(imageManager, renderer, obj->name, obj, GUIEventChange);
	}
	}
	return true;
	}
	}

	}
	}

	//Check focus movement
	int m = SDL_GetModState();
	if (((keyboardNavigationMode & 1) != 0 && inputMgr.isKeyDownEvent(INPUTMGR_RIGHT))
	\|\| ((keyboardNavigationMode & 2) != 0 && inputMgr.isKeyDownEvent(INPUTMGR_DOWN))
	\|\| ((keyboardNavigationMode & 4) != 0 && inputMgr.isKeyDownEvent(INPUTMGR_TAB) && (m & KMOD_SHIFT) == 0)
	)
	{
	isKeyboardOnly = true;
	selectNextControl(1);
	return true;
	} else if (((keyboardNavigationMode & 1) != 0 && inputMgr.isKeyDownEvent(INPUTMGR_LEFT))
	\|\| ((keyboardNavigationMode & 2) != 0 && inputMgr.isKeyDownEvent(INPUTMGR_UP))
	\|\| ((keyboardNavigationMode & 4) != 0 && inputMgr.isKeyDownEvent(INPUTMGR_TAB) && (m & KMOD_SHIFT) != 0)
	)
	{
	isKeyboardOnly = true;
	selectNextControl(-1);
	return true;
	}

	return false;
	}

	//////////////GUIButton///////////////////////////////////////////////////////////////////

	bool GUIButton::handleEvents(SDL_Renderer& renderer,int x,int y,bool enabled,bool visible,bool processed){
	//Boolean if the event is processed.
	bool b=processed;

	//The widget is only enabled when its parent are enabled.
	enabled=enabled && this->enabled;
	//The widget is only enabled when its parent are enabled.
	visible=visible && this->visible;

	//Get the absolute position.
	x+=left-gravityX;
	y+=top;

	//We don't update button state under keyboard only mode.
	if (!isKeyboardOnly) {
	//Set state to 0.
	state = 0;

	//Only check for events when the object is both enabled and visible.
	if (enabled && visible) {
	//The mouse location (x=i, y=j) and the mouse button (k).
	int i, j, k;
	k = SDL_GetMouseState(&i, &j);

	//Check if the mouse is inside the widget.
	if (i >= x && i < x + width && j >= y && j < y + height) {
	//We have hover so set state to one.
	state = 1;
	//Check for a mouse button press.
	if (k&SDL_BUTTON(1))
	state = 2;

	//Check if there's a mouse press and the event hasn't been already processed.
	if (event.type == SDL_MOUSEBUTTONUP && event.button.button == SDL_BUTTON_LEFT && !b) {
	//If event callback is configured then add an event to the queue.
	if (eventCallback) {
	GUIEvent e = { eventCallback, name, this, GUIEventClick };
	GUIEventQueue.push_back(e);
	}

	//Event has been processed.
	b = true;
	}
	}
	}
	}

	//Also let the children handle their events.
	for(unsigned int i=0;i<childControls.size();i++){
	bool b1=childControls[i]->handleEvents(renderer,x,y,enabled,visible,b);

	//The event is processed when either our or the childs is true (or both).
	b=b\|\|b1;
	}
	return b;
	}

	void GUIButton::render(SDL_Renderer& renderer, int x,int y,bool draw){
	//There's no need drawing the widget when it's invisible.
	if(!visible)
	return;

	//Get the absolute x and y location.
	x+=left;
	y+=top;

	refreshCache(enabled);

	//Get the text and make sure it isn't empty.
	const char* lp=caption.c_str();
	if(lp!=NULL && lp[0]){
	//Update cache if needed.
	if(!cacheTex){
	SDL_Color color = objThemes.getTextColor(inDialog);

	if(!smallFont) {
	cacheTex = textureFromText(renderer, *fontGUI, lp, color);
	} else {
	cacheTex = textureFromText(renderer, *fontGUISmall, lp, color);
	}
	//Make the widget transparent if it's disabled.
	if(!enabled) {
	SDL_SetTextureAlphaMod(cacheTex.get(), 128);
	}
	//Calculate proper size for the widget.
	if(width<=0){
	width=textureWidth(*cacheTex)+50;
	if(gravity==GUIGravityCenter){
	gravityX=int(width/2);
	}else if(gravity==GUIGravityRight){
	gravityX=width;
	}else{
	gravityX=0;
	}
	}
	}

	if(draw){
	//Center the text both vertically as horizontally.
	const SDL_Rect size = rectFromTexture(*cacheTex);
	const int drawX=x-gravityX+(width-size.w)/2;
	const int drawY=y+(height-size.h)/2-GUI_FONT_RAISE;

	//Check if the arrows don't fall of.
	if(size.w+32<=width){
	if(state==1){
	if(inDialog){
	applyTexture(x-gravityX+(width-size.w)/2+4+size.w+5,y+2,*arrowLeft2,renderer);
	applyTexture(x-gravityX+(width-size.w)/2-25,y+2,*arrowRight2,renderer);
	}else{
	applyTexture(x-gravityX+(width-size.w)/2+4+size.w+5,y+2,*arrowLeft1,renderer);
	applyTexture(x-gravityX+(width-size.w)/2-25,y+2,*arrowRight1,renderer);
	}
	}else if(state==2){
	if(inDialog){
	applyTexture(x-gravityX+(width-size.w)/2+4+size.w,y+2,*arrowLeft2,renderer);
	applyTexture(x-gravityX+(width-size.w)/2-20,y+2,*arrowRight2,renderer);
	}else{
	applyTexture(x-gravityX+(width-size.w)/2+4+size.w,y+2,*arrowLeft1,renderer);
	applyTexture(x-gravityX+(width-size.w)/2-20,y+2,arrowRight1,renderer);
	}
	}
	}

	//Draw the text.
	applyTexture(drawX, drawY, *cacheTex, renderer);
	}
	}
	}

	//////////////GUICheckBox///////////////////////////////////////////////////////////////////

	bool GUICheckBox::handleEvents(SDL_Renderer&,int x,int y,bool enabled,bool visible,bool processed){
	//Boolean if the event is processed.
	bool b=processed;

	//The widget is only enabled when its parent are enabled.
	enabled=enabled && this->enabled;
	//The widget is only enabled when its parent are enabled.
	visible=visible && this->visible;

	//Get the absolute position.
	x+=left-gravityX;
	y+=top;

	//We don't update state under keyboard only mode.
	if (!isKeyboardOnly) {
	//Set state to 0.
	state = 0;

	//Only check for events when the object is both enabled and visible.
	if (enabled&&visible){
	//The mouse location (x=i, y=j) and the mouse button (k).
	int i, j, k;
	k = SDL_GetMouseState(&i, &j);

	//Check if the mouse is inside the widget.
	if (i >= x && i < x + width && j >= y && j < y + height){
	//We have hover so set state to one.
	state = 1;
	//Check for a mouse button press.
	if (k&SDL_BUTTON(1))
	state = 2;

	//Check if there's a mouse press and the event hasn't been already processed.
	if (event.type == SDL_MOUSEBUTTONUP && event.button.button == SDL_BUTTON_LEFT && !b){
	//It's a checkbox so toggle the value.
	value = value ? 0 : 1;

	//If event callback is configured then add an event to the queue.
	if (eventCallback){
	GUIEvent e = { eventCallback, name, this, GUIEventClick };
	GUIEventQueue.push_back(e);
	}

	//Event has been processed.
	b = true;
	}
	}
	}
	}

	return b;
	}

	void GUICheckBox::render(SDL_Renderer& renderer, int x,int y,bool draw){
	//There's no need drawing the widget when it's invisible.
	if(!visible)
	return;

	//Get the absolute x and y location.
	x+=left;
	y+=top;

	refreshCache(enabled);

	//Draw the highlight in keyboard only mode.
	if (isKeyboardOnly && state && draw) {
	drawGUIBox(x, y, width, height, renderer, 0xFFFFFF40);
	}

	//Get the text.
	const char* lp=caption.c_str();
	//Make sure it isn't empty.
	if(lp!=NULL && lp[0]){
	//Update the cache if needed.
	if(!cacheTex){
	SDL_Color color = objThemes.getTextColor(inDialog);

	cacheTex=textureFromText(renderer,*fontText,lp,color);
	}

	if(draw){
	//Calculate the location, center it vertically.
	const int drawX=x;
	const int drawY=y+(height - textureHeight(*cacheTex))/2;

	//Draw the text
	applyTexture(drawX, drawY, *cacheTex, renderer);
	}
	}

	if(draw){
	//Draw the check (or not).
	//value*16 determines where in the gui textures we draw from.
	//if(value==1\|\|value==2)
	// r1.x=value*16;
	const SDL_Rect srcRect={value*16,0,16,16};
	const SDL_Rect dstRect={x+width-20, y+(height-16)/2, 16, 16};
	//Get the right image depending on the state of the object.
	SDL_RenderCopy(&renderer, bmGuiTex.get(), &srcRect, &dstRect);
	}
	}

	//////////////GUILabel///////////////////////////////////////////////////////////////////

	bool GUILabel::handleEvents(SDL_Renderer&,int ,int ,bool ,bool ,bool processed){
	return processed;
	}

	void GUILabel::render(SDL_Renderer& renderer, int x,int y,bool draw){
	//There's no need drawing the widget when it's invisible.
	if(!visible)
	return;

	//Check if the enabled state changed or the caption, if so we need to clear the (old) cache.
	refreshCache(enabled);

	//Get the absolute x and y location.
	x+=left;
	y+=top;

	//Rectangle the size of the widget.
	SDL_Rect r;
	r.x=x;
	r.y=y;
	r.w=width;
	r.h=height;

	//Get the caption and make sure it isn't empty.
	const char* lp=caption.c_str();
	if(lp!=NULL && lp[0]){
	//Update cache if needed.
	if(!cacheTex){
	SDL_Color color = objThemes.getTextColor(inDialog);

	cacheTex=textureFromText(renderer, *fontText, lp, color);
	if(width<=0)
	width=textureWidth(*cacheTex);
	}

	//Align the text properly and draw it.
	if(draw){
	const SDL_Rect size = rectFromTexture(*cacheTex);
	if(gravity==GUIGravityCenter)
	gravityX=(width-size.w)/2;
	else if(gravity==GUIGravityRight)
	gravityX=width-size.w;
	else
	gravityX=0;

	r.y=y+(height - size.h)/2;
	r.x+=gravityX;
	applyTexture(r.x, r.y, cacheTex, renderer);
	}
	}
	}

	//////////////GUITextBox///////////////////////////////////////////////////////////////////

	void GUITextBox::backspaceChar(){
	//We need to remove a character so first make sure that there is text.
	if(caption.length()>0){
	if(highlightStart==highlightEnd&&highlightStart>0){
	int advance = 0;

	// this is proper UTF-8 support
	int ch = utf8ReadBackward(caption.c_str(), highlightStart); // we obtain new highlightStart from this
	if (ch > 0) TTF_GlyphMetrics(fontText, ch, NULL, NULL, NULL, NULL, &advance);
	highlightEndX = highlightStartX = highlightEndX - advance;

	caption.erase(highlightStart, highlightEnd - highlightStart);
	highlightEnd = highlightStart;
	} else if (highlightStart<highlightEnd){
	caption.erase(highlightStart,highlightEnd-highlightStart);
	highlightEnd=highlightStart;
	highlightEndX=highlightStartX;
	}else{
	caption.erase(highlightEnd,highlightStart-highlightEnd);
	highlightStart=highlightEnd;
	highlightStartX=highlightEndX;
	}

	//If there is an event callback then call it.
	if(eventCallback){
	GUIEvent e={eventCallback,name,this,GUIEventChange};
	GUIEventQueue.push_back(e);
	}
	}
	}

	void GUITextBox::deleteChar(){
	//We need to remove a character so first make sure that there is text.
	if(caption.length()>0){
	if(highlightStart==highlightEnd){
	// this is proper utf8 support
	int i = highlightEnd;
	utf8ReadForward(caption.c_str(), i);
	if (i > highlightEnd) caption.erase(highlightEnd, i - highlightEnd);

	highlightStart=highlightEnd;
	highlightStartX=highlightEndX;
	}else if(highlightStart<highlightEnd){
	caption.erase(highlightStart,highlightEnd-highlightStart);

	highlightEnd=highlightStart;
	highlightEndX=highlightStartX;
	}else{
	caption.erase(highlightEnd,highlightStart-highlightEnd);

	highlightStart=highlightEnd;
	highlightStartX=highlightEndX;
	}

	//If there is an event callback then call it.
	if(eventCallback){
	GUIEvent e={eventCallback,name,this,GUIEventChange};
	GUIEventQueue.push_back(e);
	}
	}
	}

	void GUITextBox::moveCarrotLeft(){
	if(highlightEnd>0){
	int advance = 0;

	// this is proper UTF-8 support
	int ch = utf8ReadBackward(caption.c_str(), highlightEnd); // we obtain new highlightEnd from this
	if (ch > 0) TTF_GlyphMetrics(fontText, ch, NULL, NULL, NULL, NULL, &advance);

	if(SDL_GetModState() & KMOD_SHIFT){
	highlightEndX-=advance;
	}else{
	highlightStart=highlightEnd;
	highlightStartX=highlightEndX=highlightEndX-advance;
	}
	}else{
	if((SDL_GetModState() & KMOD_SHIFT)==0){
	highlightStart=highlightEnd;
	highlightStartX=highlightEndX;
	}
	}
	tick=15;
	}

	void GUITextBox::moveCarrotRight(){
	if(highlightEnd<caption.length()){
	int advance = 0;

	// this is proper UTF-8 support
	int ch = utf8ReadForward(caption.c_str(), highlightEnd); // we obtain new highlightEnd from this
	if (ch > 0) TTF_GlyphMetrics(fontText, ch, NULL, NULL, NULL, NULL, &advance);

	if(SDL_GetModState() & KMOD_SHIFT){
	highlightEndX+=advance;
	}else{
	highlightStartX=highlightEndX=highlightEndX+advance;
	highlightStart=highlightEnd;
	}
	}else{
	if((SDL_GetModState() & KMOD_SHIFT)==0){
	highlightStart=highlightEnd;
	highlightStartX=highlightEndX;
	}
	}
	tick=15;
	}

	void GUITextBox::updateText(const std::string& text) {
	caption = text;
	updateSelection(0, 0);
	}

	void GUITextBox::updateSelection(int start, int end) {
	start = clamp(start, 0, caption.size());
	end = clamp(end, 0, caption.size());

	highlightStart = start;
	highlightStartX = 0;
	highlightEnd = end;
	highlightEndX = 0;

	if (start > 0) {
	TTF_SizeUTF8(fontText, caption.substr(0, start).c_str(), &highlightStartX, NULL);
	}
	if (end > 0) {
	TTF_SizeUTF8(fontText, caption.substr(0, end).c_str(), &highlightEndX, NULL);
	}
	}

	void GUITextBox::inputText(const char* s) {
	int m = strlen(s);

	if (m > 0){
	if (highlightStart == highlightEnd) {
	caption.insert((size_t)highlightStart, s);
	highlightStart += m;
	highlightEnd = highlightStart;
	} else if (highlightStart < highlightEnd) {
	caption.erase(highlightStart, highlightEnd - highlightStart);
	caption.insert((size_t)highlightStart, s);
	highlightStart += m;
	highlightEnd = highlightStart;
	highlightEndX = highlightStartX;
	} else {
	caption.erase(highlightEnd, highlightStart - highlightEnd);
	caption.insert((size_t)highlightEnd, s);
	highlightEnd += m;
	highlightStart = highlightEnd;
	highlightStartX = highlightEndX;
	}
	int advance = 0;
	for (int i = 0;;) {
	int a = 0;
	int ch = utf8ReadForward(s, i);
	if (ch <= 0) break;
	TTF_GlyphMetrics(fontText, ch, NULL, NULL, NULL, NULL, &a);
	advance += a;
	}
	highlightStartX = highlightEndX = highlightStartX + advance;

	//If there is an event callback then call it.
	if (eventCallback){
	GUIEvent e = { eventCallback, name, this, GUIEventChange };
	GUIEventQueue.push_back(e);
	}
	}
	}

	bool GUITextBox::handleEvents(SDL_Renderer&,int x,int y,bool enabled,bool visible,bool processed){
	//Boolean if the event is processed.
	bool b=processed;

	//The widget is only enabled when its parent are enabled.
	enabled=enabled && this->enabled;
	//The widget is only enabled when its parent are enabled.
	visible=visible && this->visible;

	//Get the absolute position.
	x+=left-gravityX;
	y+=top;

	//NOTE: We don't reset the state to have a "focus" effect.

	//Only check for events when the object is both enabled and visible.
	if(enabled&&visible){
	//Check if there's a key press and the event hasn't been already processed.
	if(state==2 && event.type==SDL_KEYDOWN && !b){
	//Get the keycode.
	SDL_Keycode key=event.key.keysym.sym;

	if ((event.key.keysym.mod & KMOD_CTRL) == 0) {
	//Check if the key is supported.
	if (event.key.keysym.sym == SDLK_BACKSPACE){
	backspaceChar();
	} else if (event.key.keysym.sym == SDLK_DELETE){
	deleteChar();
	} else if (event.key.keysym.sym == SDLK_RIGHT){
	moveCarrotRight();
	} else if (event.key.keysym.sym == SDLK_LEFT){
	moveCarrotLeft();
	}
	} else {
	//Check hotkey.
	if (event.key.keysym.sym == SDLK_a) {
	//Select all.
	highlightStart = 0;
	highlightStartX = 0;
	highlightEnd = caption.size();
	highlightEndX = 0;
	if (highlightEnd > 0) {
	TTF_SizeUTF8(fontText, caption.c_str(), &highlightEndX, NULL);
	}
	} else if (event.key.keysym.sym == SDLK_x \|\| event.key.keysym.sym == SDLK_c) {
	//Cut or copy.
	int start = highlightStart, end = highlightEnd;
	if (start > end) std::swap(start, end);
	if (start < end) {
	SDL_SetClipboardText(caption.substr(start, end - start).c_str());
	if (event.key.keysym.sym == SDLK_x) {
	//Cut.
	backspaceChar();
	}
	}
	} else if (event.key.keysym.sym == SDLK_v) {
	//Paste.
	if (SDL_HasClipboardText()) {
	char *s = SDL_GetClipboardText();
	inputText(s);
	SDL_free(s);
	}
	}
	}

	//The event has been processed.
	b = true;
	} else if (state == 2 && event.type == SDL_TEXTINPUT && !b){
	inputText(event.text.text);

	//The event has been processed.
	b = true;
	} else if (state == 2 && event.type == SDL_TEXTEDITING && !b){
	// TODO: process SDL_TEXTEDITING event
	}

	//Only process mouse event when not in keyboard only mode
	if (!isKeyboardOnly) {
	//The mouse location (x=i, y=j) and the mouse button (k).
	int i, j, k;
	k = SDL_GetMouseState(&i, &j);

	//Check if the mouse is inside the widget.
	if (i >= x && i < x + width && j >= y && j < y + height){
	//We can only increase our state. (nothing->hover->focus).
	if (state != 2){
	state = 1;
	}

	//Also update the cursor type.
	currentCursor = CURSOR_CARROT;

	//Move carrot and highlightning according to mouse input.
	int clickX = i - x - 2;

	int finalPos = 0;
	int finalX = 0;

	if (cacheTex&&!caption.empty()){
	finalPos = caption.length();
	for (int i = 0;;){
	int advance = 0;

	// this is proper UTF-8 support
	int i0 = i;
	int ch = utf8ReadForward(caption.c_str(), i);
	if (ch <= 0) break;
	TTF_GlyphMetrics(fontText, ch, NULL, NULL, NULL, NULL, &advance);
	finalX += advance;

	if (clickX < finalX - advance / 2){
	finalPos = i0;
	finalX -= advance;
	break;
	}
	}
	}

	if (event.type == SDL_MOUSEBUTTONUP){
	state = 2;
	highlightEnd = finalPos;
	highlightEndX = finalX;
	} else if (event.type == SDL_MOUSEBUTTONDOWN){
	state = 2;
	highlightStart = highlightEnd = finalPos;
	highlightStartX = highlightEndX = finalX;
	} else if (event.type == SDL_MOUSEMOTION && (k&SDL_BUTTON(1))){
	state = 2;
	highlightEnd = finalPos;
	highlightEndX = finalX;
	}
	} else{
	//The mouse is outside the TextBox.
	//If we don't have focus but only hover we lose it.
	if (state == 1){
	state = 0;
	}

	//If it's a click event outside the textbox then we blur.
	if (event.type == SDL_MOUSEBUTTONUP && event.button.button == SDL_BUTTON_LEFT){
	//Set state to 0.
	state = 0;
	}
	}
	}
	}

	return b;
	}

	void GUITextBox::render(SDL_Renderer& renderer, int x,int y,bool draw){
	//There's no need drawing the widget when it's invisible.
	if(!visible)
	return;

	//Get the absolute x and y location.
	x+=left;
	y+=top;

	//Check if the enabled state changed or the caption, if so we need to clear the (old) cache.
	refreshCache(enabled);

	if(draw){
	//Default background opacity
	int clr=50;
	//If hovering or focused make background more visible.
	if(state==1)
	clr=128;
	else if (state==2)
	clr=100;

	//Draw the box.
	Uint32 color=0xFFFFFF00\|clr;
	drawGUIBox(x,y,width,height,renderer,color);
	}

	//Rectangle used for drawing.
	SDL_Rect r{0,0,0,0};

	//Get the text and make sure it isn't empty.
	const char* lp=caption.c_str();
	if(lp!=NULL && lp[0]){
	if(!cacheTex) {
	//Draw the text.
	cacheTex=textureFromText(renderer,*fontText,lp,objThemes.getTextColor(true));
	}

	if(draw){
	//Only draw the carrot and highlight when focus.
	if(state==2){
	//Place the highlighted area.
	r.x=x+4;
	r.y=y+3;
	r.h=height-6;

	if(highlightStart<highlightEnd){
	r.x+=highlightStartX;
	r.w=highlightEndX-highlightStartX;
	}else{
	r.x+=highlightEndX;
	r.w=highlightStartX-highlightEndX;
	}

	//Draw the area.
	//SDL_FillRect(screen,&r,SDL_MapRGB(screen->format,128,128,128));
	SDL_SetRenderDrawColor(&renderer, 128,128,128,255);
	SDL_RenderFillRect(&renderer, &r);

	//Ticking carrot.
	if(tick<16){
	//Show carrot: 15->0.
	r.x=x+highlightEndX+2;
	r.y=y+3;
	r.h=height-6;
	r.w=2;
	//SDL_FillRect(screen,&r,SDL_MapRGB(screen->format,0,0,0));
	SDL_SetRenderDrawColor(&renderer,0,0,0,255);
	SDL_RenderFillRect(&renderer, &r);

	//Reset: 32 or count down.
	if(tick<=0)
	tick=32;
	else
	tick--;
	}else{
	//Hide carrot: 32->16.
	tick--;
	}
	}

	//Calculate the location, center it vertically.
	SDL_Rect dstRect=rectFromTexture(*cacheTex);
	dstRect.x=x+4;
	dstRect.y=y+(height-dstRect.h)/2;
	dstRect.w=std::min(width-2, dstRect.w);
	//Draw the text.
	const SDL_Rect srcRect={0,0,width-2,25};
	SDL_RenderCopy(&renderer, cacheTex.get(), &srcRect, &dstRect);
	}
	}else{
	//Only draw the carrot when focus.
	if(state==2&&draw){
	//Ticking carrot.
	if (tick<16){
	//Show carrot: 15->0.
	r.x = x + 4;
	r.y = y + 4;
	r.w = 2;
	r.h = height - 8;
	//SDL_FillRect(screen,&r,SDL_MapRGB(screen->format,0,0,0));
	SDL_SetRenderDrawColor(&renderer, 0, 0, 0, 255);
	SDL_RenderFillRect(&renderer, &r);

	//Reset: 32 or count down.
	if (tick <= 0)
	tick = 32;
	else
	tick--;
	} else{
	//Hide carrot: 32->16.
	tick--;
	}
	}
	}
	}

	//////////////GUIFrame///////////////////////////////////////////////////////////////////

	bool GUIFrame::handleEvents(SDL_Renderer& renderer,int x,int y,bool enabled,bool visible,bool processed){
	//Boolean if the event is processed.
	bool b=processed;

	//The widget is only enabled when its parent are enabled.
	enabled=enabled && this->enabled;
	//The widget is only enabled when its parent are enabled.
	visible=visible && this->visible;

	//Get the absolute position.
	x+=left;
	y+=top;

	//Also let the children handle their events.
	for(unsigned int i=0;i<childControls.size();i++){
	bool b1=childControls[i]->handleEvents(renderer,x,y,enabled,visible,b);

	//The event is processed when either our or the childs is true (or both).
	b=b\|\|b1;
	}
	return b;
	}

	void GUIFrame::render(SDL_Renderer& renderer, int x,int y,bool draw){
	//There's no need drawing this widget when it's invisible.
	if(!visible)
	return;

	//Get the absolute x and y location.
	x+=left;
	y+=top;

	//Check if the enabled state changed or the caption, if so we need to clear the (old) cache.
	if(enabled!=cachedEnabled \|\| caption.compare(cachedCaption)!=0 \|\| width<=0){
	//Free the cache.
	cacheTex.reset(nullptr);

	//And cache the new values.
	cachedEnabled=enabled;
	cachedCaption=caption;

	//Finally resize the widget.
	if(autoWidth)
	width=-1;
	}

	//Draw fill and borders.
	if(draw){
	Uint32 color=0xDDDDDDFF;
	drawGUIBox(x,y,width,height,renderer,color);
	}

	//Get the title text and make sure it isn't empty.
	const char* lp=caption.c_str();
	if(lp!=NULL && lp[0]){
	//Update cache if needed.
	if(!cacheTex) {
	cacheTex = textureFromText(renderer, *fontGUI, lp, objThemes.getTextColor(true));
	}
	//Draw the text.
	if(draw) {
	applyTexture(x+(width-textureWidth(cacheTex))/2, y+6-GUI_FONT_RAISE, cacheTex, renderer);
	}
	}
	//We now need to draw all the children.
	for(unsigned int i=0;i<childControls.size();i++){
	childControls[i]->render(renderer,x,y,draw);
	}
	}

	//////////////GUIImage///////////////////////////////////////////////////////////////////

	GUIImage::~GUIImage(){
	}

	bool GUIImage::handleEvents(SDL_Renderer&,int ,int ,bool ,bool ,bool processed){
	return processed;
	}

	void GUIImage::fitToImage(){
	const SDL_Rect imageSize = rectFromTexture(*image);

	//Increase or decrease the width and height to fully show the image.
	if(clip.w!=0) {
	width=clip.w;
	} else {
	width=imageSize.w;
	}
	if(clip.h!=0) {
	height=clip.h;
	} else {
	height=imageSize.h;
	}
	}

	void GUIImage::render(SDL_Renderer& renderer, int x,int y,bool draw){
	//There's no need drawing the widget when it's invisible.
	//Also make sure the image isn't null.
	if(!visible \|\| !image)
	return;

	//Get the absolute x and y location.
	x+=left;
	y+=top;

	//Create a clip rectangle.
	SDL_Rect r=clip;
	//The width and height are capped by the GUIImage itself.
	if(r.w>width \|\| r.w==0) {
	r.w=width;
	}
	if(r.h>height \|\| r.h==0) {
	r.h=height;
	}

	const SDL_Rect dstRect={x,y,r.w,r.h};
	SDL_RenderCopy(&renderer, image.get(), &r, &dstRect);
	}
	diff --git a/src/GUIObject.h b/src/GUIObject.h
	index df36c8d..c634e0a 100644
	--- a/src/GUIObject.h
	+++ b/src/GUIObject.h
	@@ -1,386 +1,392 @@
	/*
	* Copyright (C) 2011-2012 Me and My Shadow
	*
	* This file is part of Me and My Shadow.
	*
	* Me and My Shadow is free software: you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation, either version 3 of the License, or
	* (at your option) any later version.
	*
	* Me and My Shadow is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
	*/

	#ifndef GUIOBJECT_H
	#define GUIOBJECT_H

	#include "FileManager.h"
	#include "ImageManager.h"
	#include "Render.h"
	#include <string>
	#include <vector>
	#include <list>

	//Widget gravity properties
	const int GUIGravityLeft=0;
	const int GUIGravityCenter=1;
	const int GUIGravityRight=2;

	//The event id's.
	//A click event used for e.g. buttons.
	const int GUIEventClick=0;
	//A change event used for e.g. textboxes.
	const int GUIEventChange=1;

	+//A boolean variable used to skip next mouse up event for GUI (temporary workaround).
	+//This is used in level editor and addon screen which will open a new window when user clicks an item in a list box.
	+//However, the click event in the newly created window may triggered since they can receive a mouse up event.
	+//NOTE: This will be reset to false when GUIObjectHandleEvents() receives a mouse down event.
	+//This is OK since it may be set to true only after this point.
	+extern bool GUISkipNextMouseUpEvent;

	struct SDL_Renderer;
	class GUIObject;

	//Class that is used as event callback.
	class GUIEventCallback{
	public:
	//This method is called when an event is fired.
	//name: The name of the event.
	//obj: Pointer to the GUIObject which caused this event.
	//eventType: The type of event as defined above.
	virtual void GUIEventCallback_OnEvent(ImageManager& imageManager, SDL_Renderer& renderer, std::string name,GUIObject* obj,int eventType)=0;
	};

	//Class containing the
	class GUIObject{
	public:
	//The relative x location of the GUIObject.
	int left;
	//The relative y location of the GUIObject.
	int top;
	//The width of the GUIObject.
	int width;
	//The height of the GUIObject.
	int height;

	//The type of the GUIObject.
	int type;
	//The value of the GUIObject.
	//It depends on the type of GUIObject what it means.
	int value;

	//The name of the GUIObject.
	std::string name;
	//The caption of the GUIObject.
	//It depends on the type of GUIObject what it is.
	std::string caption;

	//Boolean if the GUIObject is enabled.
	bool enabled;
	//Boolean if the GUIObject is visible.
	bool visible;

	//Vector containing the children of the GUIObject.
	std::vector<GUIObject*> childControls;

	//Event callback used to invoke events.
	GUIEventCallback* eventCallback;

	//Widget's gravity to centering
	int gravity;
	int gravityX;
	bool autoWidth;

	//Is the parent widget a dialog?
	bool inDialog;

	//The state of the GUIObject.
	//It depends on the type of GUIObject where it's used for.
	int state;

	protected:
	//Texture containing different gui images.
	SharedTexture bmGuiTex;

	//Surface that can be used to cache rendered text.
	TexturePtr cacheTex;
	//String containing the old caption to detect if it changed.
	std::string cachedCaption;
	//Boolean containing the previous enabled state.
	bool cachedEnabled;
	public:
	//Constructor.
	//left: The relative x location of the GUIObject.
	//top: The relative y location of the GUIObject.
	//witdh: The width of the GUIObject.
	//height: The height of the GUIObject.
	//caption: The text on the GUIObject.
	//value: The value of the GUIObject.
	//enabled: Boolean if the GUIObject is enabled or not.
	//visible: Boolean if the GUIObject is visisble or not.
	//gravity: The way the GUIObject needs to be aligned.
	GUIObject(ImageManager& imageManager, SDL_Renderer& renderer, int left = 0, int top = 0, int width = 0, int height = 0,
	const char* caption = NULL, int value = 0,
	bool enabled = true, bool visible = true, int gravity = 0);

	//Destructor.
	virtual ~GUIObject();

	//Method used to handle mouse and/or key events.
	//x: The x mouse location.
	//y: The y mouse location.
	//enabled: Boolean if the parent is enabled or not.
	//visible: Boolean if the parent is visible or not.
	//processed: Boolean if the event has been processed (by the parent) or not.
	//Returns: Boolean if the event is processed by the child.
	virtual bool handleEvents(SDL_Renderer&renderer, int x=0, int y=0, bool enabled=true, bool visible=true, bool processed=false);

	//Method that will render the GUIObject.
	//x: The x location to draw the GUIObject. (x+left)
	//y: The y location to draw the GUIObject. (y+top)
	//draw: Draw widget or just update it without drawing
	virtual void render(SDL_Renderer& renderer, int x=0,int y=0,bool draw=true);

	void addChild(GUIObject* obj);

	//Method for getting a child from a GUIObject.
	//NOTE: This method doesn't search recursively.
	//name: The name of the child to return.
	//Returns: Pointer to the requested child, NULL otherwise.
	GUIObject* getChild(const std::string& name);

	//Check if the caption or status has changed, or if the width is <0 and
	//recreate the cached texture if so.
	void refreshCache(bool enabled);

	//Experimental function to get the index of selected child control in keyboard only mode.
	//Return value: the index of selected child control. -1 means nothing selected.
	int getSelectedControl();

	//Experimental function to set the index of selected child control in keyboard only mode.
	void setSelectedControl(int index);

	//Experimental function to move the focus in keyboard only mode.
	//direction: the move direction, 1 or -1.
	//selected: currently selected control (optional). Default value means obtain currently selected control automatically.
	//Return value: the index of newly selected child control. -1 means nothing selected.
	int selectNextControl(int direction, int selected = 0x80000000);

	//Experimental function to process keyboard navigation events.
	//NOTE: This function need to be called manually.
	//keyboardNavigationMode: a bit-field flags consists of
	//1=left/right for focus movement
	//2=up/down for focus movement
	//4=tab/shift+tab for focus movement
	//8=return for individual controls
	//16=left/right for individual controls
	//Return value: if this event is processed.
	bool handleKeyboardNavigationEvents(ImageManager& imageManager, SDL_Renderer& renderer, int keyboardNavigationMode);
	};

	//Method used to handle the GUIEvents from the GUIEventQueue.
	//kill: Boolean if an SDL_QUIT event may kill the GUIObjectRoot.
	void GUIObjectHandleEvents(ImageManager &imageManager, SDL_Renderer &renderer, bool kill=false);

	//A structure containing the needed variables to call an event.
	struct GUIEvent{
	//Event callback used to invoke the event.
	GUIEventCallback* eventCallback;
	//The name of the event.
	std::string name;
	//Pointer to the object which invoked the event.
	GUIObject* obj;
	//The type of event.
	int eventType;
	};

	//List used to queue the gui events.
	extern std::list<GUIEvent> GUIEventQueue;

	class GUIButton:public GUIObject{
	public:
	GUIButton(ImageManager& imageManager, SDL_Renderer& renderer,int left=0,int top=0,int width=0,int height=0,
	const char* caption=NULL,int value=0,
	bool enabled=true,bool visible=true,int gravity=0):
	GUIObject(imageManager,renderer,left,top,width,height,caption,value,enabled,visible,gravity),
	smallFont(false){ }
	//Method used to handle mouse and/or key events.
	//x: The x mouse location.
	//y: The y mouse location.
	//enabled: Boolean if the parent is enabled or not.
	//visible: Boolean if the parent is visible or not.
	//processed: Boolean if the event has been processed (by the parent) or not.
	//Returns: Boolean if the event is processed by the child.
	virtual bool handleEvents(SDL_Renderer&renderer, int x=0, int y=0, bool enabled=true, bool visible=true, bool processed=false);
	//Method that will render the GUIScrollBar.
	//x: The x location to draw the GUIObject. (x+left)
	//y: The y location to draw the GUIObject. (y+top)
	//draw: Whether displey the widget or not.
	virtual void render(SDL_Renderer& renderer, int x=0,int y=0,bool draw=true);

	//Boolean if small font is used.
	bool smallFont;
	};

	class GUICheckBox:public GUIObject{
	public:
	GUICheckBox(ImageManager& imageManager, SDL_Renderer& renderer,int left=0,int top=0,int width=0,int height=0,
	const char* caption=NULL,int value=0,
	bool enabled=true,bool visible=true,int gravity=0):
	GUIObject(imageManager,renderer,left,top,width,height,caption,value,enabled,visible,gravity){}
	//Method used to handle mouse and/or key events.
	//x: The x mouse location.
	//y: The y mouse location.
	//enabled: Boolean if the parent is enabled or not.
	//visible: Boolean if the parent is visible or not.
	//processed: Boolean if the event has been processed (by the parent) or not.
	//Returns: Boolean if the event is processed by the child.
	virtual bool handleEvents(SDL_Renderer&,int x=0,int y=0,bool enabled=true,bool visible=true,bool processed=false);
	//Method that will render the GUIScrollBar.
	//x: The x location to draw the GUIObject. (x+left)
	//y: The y location to draw the GUIObject. (y+top)
	//draw: Whether displey the widget or not.
	virtual void render(SDL_Renderer &renderer, int x=0, int y=0, bool draw=true);
	};

	class GUILabel:public GUIObject{
	public:
	GUILabel(ImageManager& imageManager, SDL_Renderer& renderer,int left=0,int top=0,int width=0,int height=0,
	const char* caption=NULL,int value=0,
	bool enabled=true,bool visible=true,int gravity=0):
	GUIObject(imageManager,renderer,left,top,width,height,caption,value,enabled,visible,gravity){}
	//Method used to handle mouse and/or key events.
	//x: The x mouse location.
	//y: The y mouse location.
	//enabled: Boolean if the parent is enabled or not.
	//visible: Boolean if the parent is visible or not.
	//processed: Boolean if the event has been processed (by the parent) or not.
	//Returns: Boolean if the event is processed by the child.
	virtual bool handleEvents(SDL_Renderer&,int =0, int =0, bool =true, bool =true, bool processed=false);
	//Method that will render the GUIScrollBar.
	//x: The x location to draw the GUIObject. (x+left)
	//y: The y location to draw the GUIObject. (y+top)
	//draw: Whether displey the widget or not.
	virtual void render(SDL_Renderer &renderer, int x=0, int y=0, bool draw=true);
	};

	class GUITextBox:public GUIObject{
	public:
	GUITextBox(ImageManager& imageManager, SDL_Renderer& renderer,int left=0,int top=0,int width=0,int height=0,
	const char* caption=NULL,int value=0,
	bool enabled=true,bool visible=true,int gravity=0):
	GUIObject(imageManager,renderer,left,top,width,height,caption,value,enabled,visible,gravity),
	highlightStart(0),highlightEnd(0),highlightStartX(0),highlightEndX(0),tick(15){}
	//Method used to handle mouse and/or key events.
	//x: The x mouse location.
	//y: The y mouse location.
	//enabled: Boolean if the parent is enabled or not.
	//visible: Boolean if the parent is visible or not.
	//processed: Boolean if the event has been processed (by the parent) or not.
	//Returns: Boolean if the event is processed by the child.
	virtual bool handleEvents(SDL_Renderer&,int x=0,int y=0,bool enabled=true,bool visible=true,bool processed=false);
	//Method that will render the GUIScrollBar.
	//x: The x location to draw the GUIObject. (x+left)
	//y: The y location to draw the GUIObject. (y+top)
	//draw: Whether displey the widget or not.
	virtual void render(SDL_Renderer& renderer, int x=0,int y=0,bool draw=true);

	//Method used to update text. This will also reset the selection.
	void updateText(const std::string& text);

	//Method used to update selection.
	void updateSelection(int start, int end);
	private:
	//Text highlights.
	int highlightStart;
	int highlightEnd;

	int highlightStartX;
	int highlightEndX;

	//Carrot ticking.
	int tick;

	//Functions for modifying the text.
	void backspaceChar();
	void deleteChar();
	void inputText(const char* s);

	//Functions for moving the carrot.
	void moveCarrotLeft();
	void moveCarrotRight();
	};

	class GUIFrame:public GUIObject{
	public:
	GUIFrame(ImageManager& imageManager, SDL_Renderer& renderer,int left=0,int top=0,int width=0,int height=0,
	const char* caption=NULL,int value=0,
	bool enabled=true,bool visible=true,int gravity=0):
	GUIObject(imageManager,renderer,left,top,width,height,caption,value,enabled,visible,gravity){
	inDialog=true;
	}
	//Method used to handle mouse and/or key events.
	//x: The x mouse location.
	//y: The y mouse location.
	//enabled: Boolean if the parent is enabled or not.
	//visible: Boolean if the parent is visible or not.
	//processed: Boolean if the event has been processed (by the parent) or not.
	//Returns: Boolean if the event is processed by the child.
	virtual bool handleEvents(SDL_Renderer&renderer, int x=0, int y=0, bool enabled=true, bool visible=true, bool processed=false);
	//Method that will render the GUIScrollBar.
	//x: The x location to draw the GUIObject. (x+left)
	//y: The y location to draw the GUIObject. (y+top)
	//draw: Whether displey the widget or not.
	virtual void render(SDL_Renderer &renderer, int x=0, int y=0, bool draw=true);
	};

	//A GUIObject that holds an shared_ptr to a Texture for rendering.
	class GUIImage:public GUIObject{
	public:
	GUIImage(ImageManager& imageManager, SDL_Renderer& renderer,int left=0,int top=0,int width=0,int height=0,
	SharedTexture image = nullptr, SDL_Rect clip = SDL_Rect{0,0,0,0},
	bool enabled=true,bool visible=true):
	GUIObject(imageManager,renderer,left,top,width,height,NULL,0,enabled,visible,0),
	image(image),clip(clip){ }
	//Destructor.
	~GUIImage();
	//Method used to handle mouse and/or key events.
	//x: The x mouse location.
	//y: The y mouse location.
	//enabled: Boolean if the parent is enabled or not.
	//visible: Boolean if the parent is visible or not.
	//processed: Boolean if the event has been processed (by the parent) or not.
	//Returns: Boolean if the event is processed by the child.
	virtual bool handleEvents(SDL_Renderer&,int =0, int =0, bool =true, bool =true, bool processed=false);
	//Method that will render the GUIScrollBar.
	//x: The x location to draw the GUIObject. (x+left)
	//y: The y location to draw the GUIObject. (y+top)
	//draw: Whether display the widget or not.
	virtual void render(SDL_Renderer &renderer, int x=0, int y=0, bool draw=true);

	//Method that will change the dimensions of the GUIImage so that the full image is shown.
	//OR in case of a clip rect that the selected section of the image is shown.
	void fitToImage();

	//Method for setting the image of the widget.
	//image: SharedTexture containing the image.
	void setImage(SharedTexture texture){
	image=texture;
	}

	//Method for setting the clip rectangle for the GUIImager.
	//rect: The new clip rectangle.
	void setClipRect(SDL_Rect rect){
	clip=rect;
	}
	private:
	//Pointer to the SDL_Texture to draw.
	//MAY BE NULL!!
	SharedTexture image;
	//Optional rectangle for defining the section of the texture that should be drawn.
	//NOTE: This doesn't have to correspond with the dimensions of the GUIObject.
	SDL_Rect clip;
	};

	#endif
	diff --git a/src/GUISpinBox.cpp b/src/GUISpinBox.cpp
	index e7faec2..6409d6a 100644
	--- a/src/GUISpinBox.cpp
	+++ b/src/GUISpinBox.cpp
	@@ -1,199 +1,203 @@
	/*
	* Copyright (C) 2011-2012 Me and My Shadow
	*
	* This file is part of Me and My Shadow.
	*
	* Me and My Shadow is free software: you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation, either version 3 of the License, or
	* (at your option) any later version.
	*
	* Me and My Shadow is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
	*/

	#include "Functions.h"
	#include "GUISpinBox.h"
	#include "ThemeManager.h"

	#include <algorithm>

	bool GUISpinBox::handleEvents(SDL_Renderer& renderer,int x,int y,bool enabled,bool visible,bool processed){
	//Backup the old state.
	int oldState = state;

	//First we call the GUITextBox::handleEvents().
	bool b0 = GUITextBox::handleEvents(renderer, x, y, enabled, visible, processed);

	//Boolean if the event is processed.
	bool b=processed;
	//The GUIObject is only enabled when he and his parent are enabled.
	enabled=enabled && this->enabled;
	//The GUIObject is only enabled when he and his parent are enabled.
	visible=visible && this->visible;

	//Get the absolute position.
	x+=left-gravityX;
	y+=top;

	//Reset "key" to stop contant update of "number" in render().
	//If the mouse is still on the button, the "key" will be reassigned later.
	key=-1;

	//Only check for events when the object is both enabled and visible.
	if (enabled&&visible){
	//Check if there's a key press and the event hasn't been already processed.
	if (state == 2 && event.type == SDL_KEYDOWN && !b) {
	if (event.key.keysym.sym == SDLK_UP) {
	updateValue(true);
	+ b = true;
	} else if (event.key.keysym.sym == SDLK_DOWN) {
	updateValue(false);
	+ b = true;
	}
	}

	//Only process mouse event when not in keyboard only mode
	if (!isKeyboardOnly) {
	//The mouse location (x=i, y=j) and the mouse button (k).
	int i, j, k;
	k = SDL_GetMouseState(&i, &j);

	//Check if the mouse is inside the text box.
	if (i >= x && i < x + width && j >= y && j < y + height){
	//Check if the mouse is inside the up/down button.
	if (i >= x + width - 16) {
	//Reset the cursor back to normal.
	currentCursor = CURSOR_POINTER;

	//Check for a mouse button press.
	if (k&SDL_BUTTON(1)){
	if (j < y + 17){
	//Set the key values correct.
	this->key = SDLK_UP;
	keyHoldTime = 0;
	keyTime = getKeyboardRepeatDelay();

	//Update once to prevent a lag.
	updateValue(true);
	} else{
	//Set the key values correct.
	this->key = SDLK_DOWN;
	keyHoldTime = 0;
	keyTime = getKeyboardRepeatDelay();

	//Update once to prevent a lag.
	updateValue(false);
	}
	}
	}

	//Allow mouse wheel to change value.
	if (event.type == SDL_MOUSEWHEEL){
	if (event.wheel.y > 0){
	updateValue(true);
	+ b = true;
	} else if (event.wheel.y < 0){
	updateValue(false);
	+ b = true;
	}
	}
	}
	}

	//Validate the input when we lost focus.
	if (oldState == 2 && state == 0){
	update();
	}
	}

	return b \|\| b0;
	}

	void GUISpinBox::render(SDL_Renderer &renderer, int x, int y, bool draw){
	//Call the GUITextBox::render().
	GUITextBox::render(renderer, x, y, draw);

	//FIXME: Logic in the render method since that is update constant.
	if(key!=-1){
	//Increase the key time.
	keyHoldTime++;
	//Make sure the deletionTime isn't to short.
	if(keyHoldTime>=keyTime){
	keyHoldTime=0;
	keyTime = getKeyboardRepeatInterval();

	//Now check the which key it was.
	switch(key){
	case SDLK_UP:
	{
	updateValue(true);
	break;
	}
	case SDLK_DOWN:
	{
	updateValue(false);
	break;
	}
	}
	}
	}

	//There's no need drawing when it's invisible.
	if(!visible \|\| !draw)
	return;

	//Get the absolute x and y location.
	x+=left;
	y+=top;

	//Draw arrow buttons.
	SDL_Rect srcRect = { 80, 0, 16, 16 };
	SDL_Rect dstRect = { x + width - 18, y + 1, srcRect.w, srcRect.h };
	SDL_RenderCopy(&renderer, bmGuiTex.get(), &srcRect, &dstRect);

	srcRect.x = 96;
	dstRect.y += 16;
	SDL_RenderCopy(&renderer, bmGuiTex.get(), &srcRect, &dstRect);
	}

	void GUISpinBox::update(){
	//Read number from the caption string.
	float number=(float)atof(caption.c_str());

	//Stay in the limits.
	if(number>limitMax){
	number=limitMax;
	}else if(number<limitMin){
	number=limitMin;
	}

	//Write the number to the caption string.
	char str[128];
	sprintf(str,format.c_str(),number);
	updateText(str);
	}

	void GUISpinBox::updateValue(bool positive){
	//Read number from the caption string.
	float number=(float)atof(caption.c_str());

	//Apply change.
	if(positive)
	number+=change;
	else
	number-=change;

	//Stay in the limits.
	if(number>limitMax){
	number=limitMax;
	}else if(number<limitMin){
	number=limitMin;
	}

	//Write the number to the caption string.
	char str[128];
	sprintf(str,format.c_str(),number);
	updateText(str);
	}
	diff --git a/src/LevelEditor.cpp b/src/LevelEditor.cpp
	index 5f1e4a5..dc4d766 100644
	--- a/src/LevelEditor.cpp
	+++ b/src/LevelEditor.cpp
	@@ -1,4691 +1,4694 @@
	/*
	* Copyright (C) 2011-2013 Me and My Shadow
	*
	* This file is part of Me and My Shadow.
	*
	* Me and My Shadow is free software: you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation, either version 3 of the License, or
	* (at your option) any later version.
	*
	* Me and My Shadow is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
	*/

	#include "Block.h"
	#include "Commands.h"
	#include "CommandManager.h"
	#include "GameState.h"
	#include "Functions.h"
	#include "GameObjects.h"
	#include "ThemeManager.h"
	#include "LevelPack.h"
	#include "LevelEditor.h"
	#include "TreeStorageNode.h"
	#include "POASerializer.h"
	#include "GUIListBox.h"
	#include "GUITextArea.h"
	#include "GUIWindow.h"
	#include "GUISpinBox.h"
	#include "MusicManager.h"
	#include "InputManager.h"
	#include "StatisticsManager.h"
	#include <fstream>
	#include <iostream>
	#include <vector>
	#include <algorithm>
	#include <string.h>
	#include <stdio.h>
	#include <sstream>

	#include <SDL_ttf.h>

	#include "libs/tinyformat/tinyformat.h"

	using namespace std;

	static int levelTime,levelRecordings;

	//Array containing translateble block names
	static const char* blockNames[TYPE_MAX]={
	__("Block"),__("Player Start"),__("Shadow Start"),
	__("Exit"),__("Shadow Block"),__("Spikes"),
	__("Checkpoint"),__("Swap"),__("Fragile"),
	__("Moving Block"),__("Moving Shadow Block"),__("Moving Spikes"),
	__("Teleporter"),__("Button"),__("Switch"),
	__("Conveyor Belt"),__("Shadow Conveyor Belt"),__("Notification Block"),__("Collectable"),__("Pushable")
	};

	static const std::array<const char*, static_cast<size_t>(ToolTips::TooltipMax)> tooltipNames = {
	__("Select"), __("Add"), __("Delete"), __("Play"), "", "", __("Level settings"), __("Save level"), __("Back to menu"), __("Configure")
	};


	//Array indicates if block is linkable
	static const bool isLinkable[TYPE_MAX]={
	false,false,false,
	false,false,false,
	false,false,false,
	true,true,true,
	true,true,true,
	false,false,false,false
	};

	static std::string describeSceneryName(const std::string& name) {
	//Check if the input is a valid block name.
	if (name.size() > 8 && name.substr(name.size() - 8) == "_Scenery") {
	auto it = Game::blockNameMap.find(name.substr(0, name.size() - 8));
	if (it != Game::blockNameMap.end()){
	return tfm::format(_("%s (Scenery)"), _(blockNames[it->second]));
	}
	}

	return name;
	}

	/////////////////LevelEditorActionsPopup/////////////////

	class LevelEditorActionsPopup:private GUIEventCallback{
	private:
	//The parent object.
	LevelEditor* parent;

	//The position and size of window.
	SDL_Rect rect;

	//Array containing the actions in this popup.
	GUIListBox* actions;

	//GUI image.
	SDL_Surface* bmGUI;

	//Pointer to the object the actions apply to.
	GameObject* target;

	//The behaviour names.
	vector<string> behaviour;
	//The fragile block states.
	vector<string> states;

	//The separator texture.
	//NOTE: It's created only when it's used. So don't access it directly!
	SharedTexture separatorTexture;

	//Get or create a new separator texture.
	SharedTexture getOrCreateSeparatorTexture(SDL_Renderer& renderer) {
	if (!separatorTexture) {
	//NOTE: we use an arbitrart width since it will be updated soon.
	createSeparatorTexture(renderer, 16);
	}

	return separatorTexture;
	}

	void createSeparatorTexture(SDL_Renderer& renderer, int width) {
	//create surface
	SurfacePtr surface = createSurface(width, 5);

	//draw horizontal separator
	const SDL_Rect r0 = { 4, 1, width - 8, 1 };
	const SDL_Rect r1 = { 4, 3, width - 8, 1 };
	const SDL_Rect r2 = { 4, 2, width - 8, 1 };
	Uint32 c0 = SDL_MapRGB(surface->format, 192, 192, 192);
	Uint32 c2 = SDL_MapRGB(surface->format, 64, 64, 64);
	SDL_FillRect(surface.get(), &r0, c0);
	SDL_FillRect(surface.get(), &r1, c0);
	SDL_FillRect(surface.get(), &r2, c2);

	//over
	separatorTexture = textureFromSurface(renderer, std::move(surface));
	}

	void updateSeparators(SDL_Renderer& renderer) {
	createSeparatorTexture(renderer, rect.w);

	for (unsigned int i = 0; i < actions->item.size(); i++) {
	if (actions->item[i] == "-") {
	actions->updateItem(renderer, i, "-", separatorTexture);
	}
	}
	}

	public:
	SDL_Rect getRect(){
	return rect;
	}
	void dismiss(){
	//Remove the actionsPopup from the parent.
	if(parent!=NULL && parent->actionsPopup==this){
	parent->actionsPopup=NULL;
	}

	//And delete ourself.
	delete this;
	}
	SharedTexture createItem(SDL_Renderer& renderer,const char* caption,int icon){
	//FIXME: Add some sort of caching?
	//We draw using surfaces and convert to a texture in the end for now.
	SurfacePtr tip(TTF_RenderUTF8_Blended(fontText,caption,objThemes.getTextColor(true)));
	SDL_SetSurfaceBlendMode(tip.get(), SDL_BLENDMODE_NONE);

	//Create the surface, we add 16px to the width for an icon,
	//plus 8px for the border to make it looks better.
	SurfacePtr item = createSurface(tip->w + 24 + (icon >= 0x100 ? 24 : 0), 24);

	//Draw the text on the item surface.
	applySurface(24 + (icon >= 0x100 ? 24 : 0), 0, tip.get(), item.get(), NULL);

	//Temporarily set the blend mode of bmGUI to none, which simply copies RGBA channels to destination.
	SDL_BlendMode oldBlendMode = SDL_BLENDMODE_BLEND;
	SDL_GetSurfaceBlendMode(bmGUI, &oldBlendMode);
	SDL_SetSurfaceBlendMode(bmGUI, SDL_BLENDMODE_NONE);

	//Check if we should draw an icon.
	if(icon>0){
	//Draw the check (or not).
	SDL_Rect r={0,0,16,16};
	r.x=((icon-1)%8)*16;
	r.y=(((icon-1)/8)%8)*16;
	applySurface(4,3,bmGUI,item.get(),&r);
	}

	//Check if we should draw a secondary icon.
	if (icon >= 0x100) {
	SDL_Rect r = { 0, 0, 16, 16 };
	r.x = ((icon / 0x100 - 1) % 8) * 16;
	r.y = (((icon / 0x100 - 1) / 8) % 8) * 16;
	applySurface(28, 3, bmGUI, item.get(), &r);
	}

	//Reset the blend mode of bmGUI.
	SDL_SetSurfaceBlendMode(bmGUI, oldBlendMode);

	//Check if we should update the width., 8px extra on the width is for four pixels spacing on either side.
	if(item->w+8>rect.w) {
	rect.w=item->w+8;
	}

	return textureFromSurface(renderer, std::move(item));
	}
	void updateListBoxSize() {
	//Update the size of the GUIListBox.
	actions->width = rect.w;
	actions->height = rect.h;

	int x = rect.x, y = rect.y;

	if (x>SCREEN_WIDTH - rect.w) x = SCREEN_WIDTH - rect.w;
	else if (x<0) x = 0;
	if (y>SCREEN_HEIGHT - rect.h) y = SCREEN_HEIGHT - rect.h;
	else if (y<0) y = 0;
	rect.x = x;
	rect.y = y;
	}
	void updateItem(SDL_Renderer& renderer,int index,const char* action,const char* caption,int icon=0){
	auto item=createItem(renderer,caption,icon);
	actions->updateItem(renderer, index,action,item);

	//Update the size of the GUIListBox.
	updateListBoxSize();
	}
	void addItem(SDL_Renderer& renderer,const char* action,const char* caption,int icon=0){
	auto item=createItem(renderer,caption,icon);
	actions->addItem(renderer,action,item);

	//Update the height.
	rect.h += 24;

	//Update the size of the GUIListBox.
	updateListBoxSize();
	}
	void addSeparator(SDL_Renderer& renderer) {
	actions->addItem(renderer, "-", getOrCreateSeparatorTexture(renderer), false);

	//Update the height.
	rect.h += 5;
	}
	LevelEditorActionsPopup(ImageManager& imageManager,SDL_Renderer& renderer,LevelEditor* parent, GameObject* target, int x=0, int y=0){
	this->parent=parent;
	this->target=target;
	rect.x = x;
	rect.y = y;
	//NOTE: The size gets set in the addItem method, height is already four to prevent a scrollbar.
	rect.w=0;
	rect.h=4;

	//Load the gui images.
	bmGUI=imageManager.loadImage(getDataPath()+"gfx/gui.png");

	//Create the behaviour vector.
	behaviour.push_back(_("On"));
	behaviour.push_back(_("Off"));
	behaviour.push_back(_("Toggle"));

	//Create the states list.
	states.push_back(_("Complete"));
	states.push_back(_("One step"));
	states.push_back(_("Two steps"));
	states.push_back(_("Gone"));
	//TODO: The width should be based on the longest option.

	//Create default actions.
	//NOTE: Width and height are determined later on when the options are rendered.
	actions=new GUIListBox(imageManager,renderer,0,0,0,0);
	actions->eventCallback=this;

	//Check if it's a block or not.
	if(target!=NULL)
	addBlockItems(renderer);
	else
	addLevelItems(renderer);
	}

	static std::string getRepeatModeName(int mode) {
	switch (mode) {
	case Scenery::NEGATIVE_INFINITY:
	return _("Negative infinity");
	case Scenery::ZERO:
	return _("Zero");
	case Scenery::LEVEL_SIZE:
	return _("Level size");
	case Scenery::POSITIVE_INFINITY:
	return _("Positive infinity");
	default:
	return _("Default");
	}
	}

	void addBlockItems(SDL_Renderer& renderer){
	//Check if the block is selected or not.
	std::vector<GameObject*>::iterator it;
	it=find(parent->selection.begin(),parent->selection.end(),target);
	if(it!=parent->selection.end())
	addItem(renderer,"Deselect",_("Deselect"));
	else
	addItem(renderer,"Select",_("Select"));
	addItem(renderer,"Delete",_("Delete"),8);

	addSeparator(renderer);

	Scenery scenery = dynamic_cast<Scenery>(target);
	if (scenery) {
	// it is scenery block
	addItem(renderer, "RepeatMode0", tfm::format(_("Horizontal repeat start: %s"),
	getRepeatModeName(scenery->repeatMode & 0xFF)).c_str(), 8 * 2 + 3);
	addItem(renderer, "RepeatMode1", tfm::format(_("Horizontal repeat end: %s"),
	getRepeatModeName((scenery->repeatMode >> 8) & 0xFF)).c_str(), 8 * 2 + 4);
	addItem(renderer, "RepeatMode2", tfm::format(_("Vertical repeat start: %s"),
	getRepeatModeName((scenery->repeatMode >> 16) & 0xFF)).c_str(), 8 * 3 + 3);
	addItem(renderer, "RepeatMode3", tfm::format(_("Vertical repeat end: %s"),
	getRepeatModeName((scenery->repeatMode >> 24) & 0xFF)).c_str(), 8 * 3 + 4);

	if (scenery->sceneryName_.empty()) {
	addSeparator(renderer);
	addItem(renderer, "CustomScenery", _("Custom scenery"), 8 + 4);
	}

	return;
	}

	addItem(renderer, "Visible", _("Visible"), (target->getEditorProperty("visible") == "1") ? 2 : 1);

	//Get the type of the target.
	int type = target->type;

	//Determine what to do depending on the type.
	if(isLinkable[type]){
	//Check if it's a moving block type or trigger.
	if(type==TYPE_BUTTON \|\| type==TYPE_SWITCH \|\| type==TYPE_PORTAL){
	addItem(renderer, "Link", _("Link"), 8 * 2 + 8);
	addItem(renderer, "Remove Links", _("Remove Links"), 8 * 2 + 7);

	//Check if it's a portal, which contains a automatic option, and triggers a behaviour one.
	if(type==TYPE_PORTAL){
	addItem(renderer,"Automatic",_("Automatic"),(target->getEditorProperty("automatic")=="1")?2:1);
	}else{
	//Get the current behaviour.
	int currentBehaviour=2;
	if(target->getEditorProperty("behaviour")=="on"){
	currentBehaviour=0;
	}else if(target->getEditorProperty("behaviour")=="off"){
	currentBehaviour=1;
	}

	addItem(renderer, "Behaviour", tfm::format(_("Behavior: %s"), behaviour[currentBehaviour]).c_str());
	}
	}else{
	addItem(renderer, "Path", _("Path"), 8 + 5);
	addItem(renderer, "Remove Path", _("Remove Path"), 8 * 4 + 2);

	addItem(renderer,"Activated",_("Activated"),(target->getEditorProperty("activated")=="1")?2:1);
	addItem(renderer,"Looping",_("Looping"),(target->getEditorProperty("loop")=="1")?2:1);
	}
	}
	//Check for a conveyor belt.
	if(type==TYPE_CONVEYOR_BELT \|\| type==TYPE_SHADOW_CONVEYOR_BELT){
	addItem(renderer,"Activated",_("Activated"),(target->getEditorProperty("activated")=="1")?2:1);
	addItem(renderer,"Speed",_("Speed"));
	}
	//Check if it's a fragile block.
	if(type==TYPE_FRAGILE){
	//Get the current state.
	int currentState=atoi(target->getEditorProperty("state").c_str());
	addItem(renderer, "State", tfm::format(_("State: %s"), states[currentState]).c_str());
	}
	//Check if it's a notification block.
	if(type==TYPE_NOTIFICATION_BLOCK)
	addItem(renderer,"Message",_("Message"));
	//Add the custom appearance menu item.
	addItem(renderer, "Appearance", _("Appearance"), 8 + 4);

	addSeparator(renderer);

	//Finally add scripting to the bottom.
	addItem(renderer,"Scripting",_("Scripting"),8*2+1);
	}

	void addLevelItems(SDL_Renderer& renderer){
	// add the layers
	{
	// background layers.
	auto it = parent->sceneryLayers.begin();
	for (; it != parent->sceneryLayers.end(); ++it){
	if (it->first >= "f") break; // now we meet a foreground layer
	int icon = parent->layerVisibility[it->first] ? (8 * 3 + 1) : (8 * 3 + 2);
	icon \|= (parent->selectedLayer == it->first ? 2 : 1) << 8;
	std::string s = "_layer:" + it->first;
	addItem(renderer, s.c_str(), tfm::format(_("Background layer: %s"), it->first).c_str(), icon);
	}

	// the Blocks layer.
	{
	int icon = parent->layerVisibility[std::string()] ? (8 * 3 + 1) : (8 * 3 + 2);
	icon \|= (parent->selectedLayer.empty() ? 2 : 1) << 8;
	addItem(renderer, "_layer:", _("Blocks layer"), icon);
	}

	// foreground layers.
	for (; it != parent->sceneryLayers.end(); ++it){
	int icon = parent->layerVisibility[it->first] ? (8 * 3 + 1) : (8 * 3 + 2);
	icon \|= (parent->selectedLayer == it->first ? 2 : 1) << 8;
	std::string s = "_layer:" + it->first;
	addItem(renderer, s.c_str(), tfm::format(_("Foreground layer: %s"), it->first).c_str(), icon);
	}
	}

	addSeparator(renderer);

	addItem(renderer, "AddLayer", _("Add new layer"), 8 * 3 + 6);
	addItem(renderer, "DeleteLayer", _("Delete selected layer"), 8 * 3 + 7);
	addItem(renderer, "LayerSettings", _("Configure selected layer"), 8 * 3 + 8);
	addItem(renderer, "MoveToLayer", _("Move selected object to layer"));

	addSeparator(renderer);

	addItem(renderer,"LevelSettings",_("Settings"),8*2);
	addItem(renderer,"LevelScripting",_("Scripting"),8*2+1);
	}

	virtual ~LevelEditorActionsPopup(){
	//bmGui is freed by imageManager.
	if(actions)
	delete actions;
	}

	void render(SDL_Renderer& renderer){
	//Check if we need to resize the separator.
	//NOTE: if separatorTexture is NULL then it means that we didn't use the separator at all, so we don't need to update it.
	if (separatorTexture && textureWidth(*separatorTexture) < rect.w) {
	updateSeparators(renderer);
	}

	//Draw the actions.
	actions->render(renderer,rect.x,rect.y);
	}
	void handleEvents(SDL_Renderer& renderer){
	//Check if a mouse is pressed outside the popup.
	int x,y;
	SDL_GetMouseState(&x,&y);
	SDL_Rect mouse={x,y,0,0};
	if(event.type==SDL_MOUSEBUTTONDOWN && !checkCollision(mouse,rect)){
	dismiss();
	return;
	}
	//Let the listbox handle its events.
	actions->handleEvents(renderer,rect.x,rect.y);
	}
	static void addLayerNameNote(ImageManager& imageManager, SDL_Renderer& renderer, GUIWindow *root, int yy = 148) {
	std::string s = _("NOTE: the layers are sorted by name alphabetically.\nThe layer is background layer if its name is < 'f'\nby dictionary order, otherwise it's foreground layer.");
	for (int lps = 0;;) {
	size_t lpe = s.find_first_of('\n', lps);

	GUIObject *obj = new GUILabel(imageManager, renderer, 40, yy, 520, 36,
	lpe == string::npos ? (s.c_str() + lps) : s.substr(lps, lpe - lps).c_str());
	root->addChild(obj);

	if (lpe == string::npos) break;
	lps = lpe + 1;
	yy += 24;
	}
	}
	void GUIEventCallback_OnEvent(ImageManager& imageManager, SDL_Renderer& renderer, std::string name,GUIObject* obj,int eventType){
	+ //Skip next mouse up event since we're clicking a list box and possibly showing a new window.
	+ GUISkipNextMouseUpEvent = true;
	+
	//NOTE: There should only be one GUIObject, so we know what event is fired.
	//Get the selected entry.
	std::string action=actions->item[actions->value];
	if(action=="Select"){
	//Add the target to the selection.
	parent->selection.push_back(target);
	dismiss();
	return;
	}else if(action=="Deselect"){
	//Check if the block is in the selection.
	std::vector<GameObject*>::iterator it;
	it=find(parent->selection.begin(),parent->selection.end(),target);
	if(it!=parent->selection.end()){
	//Remove the object from the selection.
	parent->selection.erase(it);
	}

	dismiss();
	return;
	}else if(action=="Delete"){
	parent->commandManager->doCommand(new AddRemoveGameObjectCommand(parent, target, false));
	dismiss();
	return;
	}else if(action=="Link"){
	parent->linking=true;
	parent->linkingTrigger=dynamic_cast<Block*>(target);
	parent->tool=LevelEditor::SELECT;
	dismiss();
	return;
	}else if(action=="Remove Links"){
	//Remove all the links
	Block block = dynamic_cast<Block>(target);
	if (block) {
	RemoveLinkCommand* pCommand = new RemoveLinkCommand(parent, block);
	parent->commandManager->doCommand(pCommand);
	}

	dismiss();
	return;
	}else if(action=="Path"){
	parent->moving=true;
	parent->pauseMode = false;
	parent->pauseTime = 0;
	parent->movingBlock=dynamic_cast<Block*>(target);
	parent->tool=LevelEditor::SELECT;
	dismiss();
	return;
	}else if(action=="Remove Path"){
	//Remove all the paths
	Block block = dynamic_cast<Block>(target);
	if (block) {
	RemovePathCommand* pCommand = new RemovePathCommand(parent, block);
	parent->commandManager->doCommand(pCommand);
	}

	dismiss();
	return;
	}else if(action=="Message"){
	//Create the GUI.
	GUIWindow* root=new GUIWindow(imageManager,renderer,(SCREEN_WIDTH-600)/2,(SCREEN_HEIGHT-250)/2,600,250,true,true,_("Notification block"));
	root->name="notificationBlockWindow";
	root->eventCallback=parent;
	GUIObject* obj;

	obj=new GUILabel(imageManager,renderer,40,50,240,36,_("Enter message here:"));
	root->addChild(obj);
	GUITextArea* textarea=new GUITextArea(imageManager,renderer,50,90,500,100);
	//Set the name of the text area, which is used to identify the object later on.
	textarea->name="message";
	string tmp=target->getEditorProperty("message");
	//Change \n with the characters '\n'.
	while(tmp.find("\\n")!=string::npos){
	tmp=tmp.replace(tmp.find("\\n"),2,"\n");
	}
	textarea->setString(renderer, tmp);
	root->addChild(textarea);

	obj=new GUIButton(imageManager,renderer,root->width*0.3,250-44,-1,36,_("OK"),0,true,true,GUIGravityCenter);
	obj->name="cfgNotificationBlockOK";
	obj->eventCallback=root;
	root->addChild(obj);
	obj=new GUIButton(imageManager,renderer,root->width*0.7,250-44,-1,36,_("Cancel"),0,true,true,GUIGravityCenter);
	obj->name="cfgCancel";
	obj->eventCallback=root;
	root->addChild(obj);

	//Add the window to the GUIObjectRoot and the objectWindows map.
	GUIObjectRoot->addChild(root);
	parent->objectWindows[root]=target;

	//And dismiss this popup.
	dismiss();
	return;
	}else if(action=="Activated"){
	//Get the previous state.
	bool enabled=(target->getEditorProperty("activated")=="1");

	//Switch the state.
	enabled=!enabled;

	parent->commandManager->doCommand(new SetEditorPropertyCommand(parent, imageManager, renderer,
	target, "activated", enabled ? "1" : "0", _("Activated")));

	updateItem(renderer,actions->value,"Activated",_("Activated"),enabled?2:1);
	actions->value=-1;
	return;
	} else if (action == "Visible"){
	//Get the previous state.
	bool visible = (target->getEditorProperty("visible") == "1");

	//Switch the state.
	visible = !visible;

	parent->commandManager->doCommand(new SetEditorPropertyCommand(parent, imageManager, renderer,
	target, "visible", visible ? "1" : "0", _("Visible")));

	updateItem(renderer, actions->value, "Visible", _("Visible"), visible ? 2 : 1);
	actions->value = -1;
	return;
	} else if (action == "Looping"){
	//Get the previous state.
	bool loop=(target->getEditorProperty("loop")=="1");

	//Switch the state.
	loop=!loop;
	parent->commandManager->doCommand(new SetEditorPropertyCommand(parent, imageManager, renderer,
	target, "loop", loop ? "1" : "0", _("Looping")));

	updateItem(renderer,actions->value,"Looping",_("Looping"),loop?2:1);
	actions->value=-1;
	return;
	}else if(action=="Automatic"){
	//Get the previous state.
	bool automatic=(target->getEditorProperty("automatic")=="1");

	//Switch the state.
	automatic=!automatic;
	parent->commandManager->doCommand(new SetEditorPropertyCommand(parent, imageManager, renderer,
	target, "automatic", automatic ? "1" : "0", _("Automatic")));

	updateItem(renderer,actions->value,"Automatic",_("Automatic"),automatic?2:1);
	actions->value=-1;
	return;
	}else if(action=="Behaviour"){
	//Get the current behaviour.
	int currentBehaviour=2;
	string behave=target->getEditorProperty("behaviour");
	if(behave=="on"){
	currentBehaviour=0;
	}else if(behave=="off"){
	currentBehaviour=1;
	}

	//Increase the behaviour.
	currentBehaviour++;
	if(currentBehaviour>2)
	currentBehaviour=0;

	//Update the data of the block.
	parent->commandManager->doCommand(new SetEditorPropertyCommand(parent, imageManager, renderer,
	target, "behaviour", behaviour[currentBehaviour], _("Behavior")));

	//And update the item.
	updateItem(renderer, actions->value, "Behaviour", tfm::format(_("Behavior: %s"), behaviour[currentBehaviour]).c_str());
	actions->value=-1;
	return;
	}else if(action=="State"){
	//Get the current state.
	int currentState=atoi(target->getEditorProperty("state").c_str());

	//Increase the state.
	currentState++;
	if(currentState>3)
	currentState=0;

	//Update the data of the block.
	char s[64];
	sprintf(s,"%d",currentState);
	parent->commandManager->doCommand(new SetEditorPropertyCommand(parent, imageManager, renderer,
	target, "state", s, _("State")));

	//And update the item.
	updateItem(renderer, actions->value, "State", tfm::format(_("State: %s"), states[currentState]).c_str());
	actions->value=-1;
	return;
	}else if(action=="Speed"){
	//Create the GUI.
	GUIWindow* root=new GUIWindow(imageManager,renderer,(SCREEN_WIDTH-600)/2,(SCREEN_HEIGHT-250)/2,600,250,true,true,_("Conveyor belt speed"));
	root->name="conveyorBlockWindow";
	root->eventCallback=parent;
	GUIObject* obj;

	obj=new GUILabel(imageManager,renderer,40,100,240,36,_("Enter speed here:"));
	root->addChild(obj);
	GUISpinBox* obj2=new GUISpinBox(imageManager,renderer,240,100,320,36);
	//Set the name of the text area, which is used to identify the object later on.
	obj2->name="speed";
	obj2->caption=target->getEditorProperty("speed10");
	obj2->format = "%1.0f";
	obj2->update();
	root->addChild(obj2);

	obj = new GUILabel(imageManager, renderer, 40, 160, 520, 36, _("NOTE: 1 Speed = 0.08 block/s"));
	root->addChild(obj);

	obj=new GUIButton(imageManager,renderer,root->width*0.3,250-44,-1,36,_("OK"),0,true,true,GUIGravityCenter);
	obj->name="cfgConveyorBlockOK";
	obj->eventCallback=root;
	root->addChild(obj);
	obj=new GUIButton(imageManager,renderer,root->width*0.7,250-44,-1,36,_("Cancel"),0,true,true,GUIGravityCenter);
	obj->name="cfgCancel";
	obj->eventCallback=root;
	root->addChild(obj);

	//Add the window to the GUIObjectRoot and the objectWindows map.
	GUIObjectRoot->addChild(root);
	parent->objectWindows[root]=target;

	//And dismiss this popup.
	dismiss();
	return;
	}else if(action=="Scripting"){
	//Create the GUI.
	GUIWindow* root=new GUIWindow(imageManager,renderer,(SCREEN_WIDTH-600)/2,(SCREEN_HEIGHT-500)/2,600,500,true,true,_("Scripting"));
	root->name="scriptingWindow";
	root->eventCallback=parent;
	GUIObject* obj;

	obj=new GUILabel(imageManager,renderer,50,60,240,36,_("Id:"));
	root->addChild(obj);

	obj=new GUITextBox(imageManager,renderer,100,60,240,36,dynamic_cast<Block*>(target)->id.c_str());
	obj->name="id";
	root->addChild(obj);

	GUISingleLineListBox* list=new GUISingleLineListBox(imageManager,renderer,50,100,500,36);
	std::map<std::string,int>::iterator it;
	for(it=Game::gameObjectEventNameMap.begin();it!=Game::gameObjectEventNameMap.end();++it)
	list->addItem(it->first);
	list->name="cfgScriptingEventType";
	list->value=0;
	list->eventCallback=root;
	root->addChild(list);

	//Add a text area for each event type.
	Block* block=dynamic_cast<Block*>(target);
	for(unsigned int i=0;i<list->item.size();i++){
	GUITextArea* text=new GUITextArea(imageManager,renderer,50,140,500,300);
	text->name=list->item[i].first;
	text->setFont(fontMono);
	//Only set the first one visible and enabled.
	text->visible=(i==0);
	text->enabled=(i==0);

	map<int,string>::iterator it=block->scripts.find(Game::gameObjectEventNameMap[list->item[i].first]);
	if(it!=block->scripts.end())
	text->setString(renderer, it->second);

	root->addChild(text);
	}


	obj=new GUIButton(imageManager,renderer,root->width*0.3,500-44,-1,36,_("OK"),0,true,true,GUIGravityCenter);
	obj->name="cfgScriptingOK";
	obj->eventCallback=root;
	root->addChild(obj);
	obj=new GUIButton(imageManager,renderer,root->width*0.7,500-44,-1,36,_("Cancel"),0,true,true,GUIGravityCenter);
	obj->name="cfgCancel";
	obj->eventCallback=root;
	root->addChild(obj);

	//Add the window to the GUIObjectRoot and the objectWindows map.
	GUIObjectRoot->addChild(root);
	parent->objectWindows[root]=target;

	//And dismiss this popup.
	dismiss();
	return;
	}else if(action=="LevelSettings"){
	//Open the levelSettings window.
	parent->levelSettings(imageManager,renderer);

	//And dismiss this popup.
	dismiss();
	return;
	}else if(action=="LevelScripting"){
	//Create the GUI.
	GUIWindow* root=new GUIWindow(imageManager,renderer,(SCREEN_WIDTH-600)/2,(SCREEN_HEIGHT-500)/2,600,500,true,true,_("Level Scripting"));
	root->name="levelScriptingWindow";
	root->eventCallback=parent;
	GUIObject* obj;

	GUISingleLineListBox* list=new GUISingleLineListBox(imageManager,renderer,50,60,500,36);
	std::map<std::string,int>::iterator it;
	for(it=Game::levelEventNameMap.begin();it!=Game::levelEventNameMap.end();++it)
	list->addItem(it->first);
	list->name="cfgLevelScriptingEventType";
	list->value=0;
	list->eventCallback=root;
	root->addChild(list);

	//Add a text area for each event type.
	for(unsigned int i=0;i<list->item.size();i++){
	GUITextArea* text=new GUITextArea(imageManager,renderer,50,100,500,340);
	text->name=list->item[i].first;
	text->setFont(fontMono);
	//Only set the first one visible and enabled.
	text->visible=(i==0);
	text->enabled=(i==0);

	map<int,string>::iterator it=parent->scripts.find(Game::levelEventNameMap[list->item[i].first]);
	if(it!=parent->scripts.end())
	text->setString(renderer, it->second);

	root->addChild(text);
	}


	obj=new GUIButton(imageManager,renderer,root->width*0.3,500-44,-1,36,_("OK"),0,true,true,GUIGravityCenter);
	obj->name="cfgLevelScriptingOK";
	obj->eventCallback=root;
	root->addChild(obj);
	obj=new GUIButton(imageManager,renderer,root->width*0.7,500-44,-1,36,_("Cancel"),0,true,true,GUIGravityCenter);
	obj->name="cfgCancel";
	obj->eventCallback=root;
	root->addChild(obj);

	//Add the window to the GUIObjectRoot and the objectWindows map.
	GUIObjectRoot->addChild(root);
	parent->objectWindows[root]=target;

	//And dismiss this popup.
	dismiss();
	return;
	} else if (action.size() >= 7 && action.substr(0, 7) == "_layer:") {
	std::string s0 = action.substr(7);
	auto it = parent->layerVisibility.find(s0);
	if (it != parent->layerVisibility.end()) {
	int x;
	SDL_GetMouseState(&x, NULL);
	if (x < rect.x + 24) {
	// toggle the visibility
	it->second = !it->second;

	if (parent->selectedLayer == it->first) {
	// deselect all blocks if the visibility of current layer is changed
	parent->deselectAll();
	}
	} else if (parent->selectedLayer != it->first) {
	// deselect all blocks if the selected layer is changed
	parent->deselectAll();

	// uncheck the previously selected layer
	std::string oldSelected = "_layer:" + parent->selectedLayer;
	for (unsigned int idx = 0; idx < actions->item.size(); idx++) {
	if (actions->item[idx] == oldSelected) {
	int icon = parent->layerVisibility[parent->selectedLayer] ? (8 * 3 + 1) : (8 * 3 + 2);
	icon \|= 1 << 8;
	updateItem(renderer, idx, oldSelected.c_str(),
	parent->selectedLayer.empty() ? _("Blocks layer") :
	tfm::format((parent->selectedLayer < "f") ? _("Background layer: %s") : _("Foreground layer: %s"), parent->selectedLayer).c_str(),
	icon);
	break;
	}
	}

	// change the selected layer
	parent->selectedLayer = it->first;
	} else {
	actions->value = -1;
	return;
	}

	int icon = it->second ? (8 * 3 + 1) : (8 * 3 + 2);
	icon \|= (parent->selectedLayer == it->first ? 2 : 1) << 8;
	std::string s = "_layer:" + it->first;
	updateItem(renderer, actions->value, s.c_str(),
	it->first.empty() ? _("Blocks layer") :
	tfm::format((it->first < "f") ? _("Background layer: %s") : _("Foreground layer: %s"), it->first).c_str(),
	icon);
	}
	actions->value = -1;
	return;
	} else if (action == "AddLayer") {
	//Create the add layer GUI.
	GUIWindow* root = new GUIWindow(imageManager, renderer, (SCREEN_WIDTH - 600) / 2, (SCREEN_HEIGHT - 300) / 2, 600, 300, true, true, _("Add layer"));
	root->name = "addLayerWindow";
	root->eventCallback = parent;
	GUIObject* obj;

	obj = new GUILabel(imageManager, renderer, 40, 64, 520, 36, _("Enter the layer name:"));
	root->addChild(obj);
	GUITextBox* obj2 = new GUITextBox(imageManager, renderer, 40, 100, 520, 36);
	//Set the name of the text area, which is used to identify the object later on.
	obj2->name = "layerName";
	root->addChild(obj2);

	addLayerNameNote(imageManager, renderer, root);

	obj = new GUIButton(imageManager, renderer, root->width*0.3, 300 - 44, -1, 36, _("OK"), 0, true, true, GUIGravityCenter);
	obj->name = "cfgAddLayerOK";
	obj->eventCallback = root;
	root->addChild(obj);
	obj = new GUIButton(imageManager, renderer, root->width*0.7, 300 - 44, -1, 36, _("Cancel"), 0, true, true, GUIGravityCenter);
	obj->name = "cfgCancel";
	obj->eventCallback = root;
	root->addChild(obj);

	//Add the window to the GUIObjectRoot and the objectWindows map.
	GUIObjectRoot->addChild(root);
	parent->objectWindows[root] = target;

	//And dismiss this popup.
	dismiss();
	return;
	} else if (action == "DeleteLayer") {
	// delete selected layer
	if (parent->selectedLayer.empty()) {
	// can't delete Blocks layer
	actions->value = -1;
	return;
	}

	if (parent->sceneryLayers.find(parent->selectedLayer) == parent->sceneryLayers.end()) {
	// can't find the layer with given name
	actions->value = -1;
	return;
	}

	if (msgBox(imageManager, renderer,
	tfm::format(_("Are you sure you want to delete layer '%s'?"), parent->selectedLayer).c_str(),
	MsgBoxYesNo, _("Delete layer")) == MsgBoxYes)
	{
	// do the actual operation
	parent->commandManager->doCommand(new AddRemoveLayerCommand(parent, parent->selectedLayer, false));
	}

	dismiss();
	return;
	} else if (action == "LayerSettings") {
	// rename selected layer
	if (parent->selectedLayer.empty()) {
	// can't rename Blocks layer
	actions->value = -1;
	return;
	}

	auto it = parent->sceneryLayers.find(parent->selectedLayer);
	if (it == parent->sceneryLayers.end()) {
	// can't find the layer with given name
	actions->value = -1;
	return;
	}

	//Create the rename layer GUI.
	GUIWindow* root = new GUIWindow(imageManager, renderer, (SCREEN_WIDTH - 600) / 2, (SCREEN_HEIGHT - 500) / 2, 600, 500, true, true, _("Layer settings"));
	root->name = "layerSettingsWindow";
	root->eventCallback = parent;
	GUIObject* obj;

	obj = new GUILabel(imageManager, renderer, 40, 64, 520, 36, _("Layer name:"));
	root->addChild(obj);
	GUITextBox* textBox = new GUITextBox(imageManager, renderer, 40, 100, 520, 36, it->first.c_str());
	//Set the name of the text area, which is used to identify the object later on.
	textBox->name = "layerName";
	root->addChild(textBox);

	// A stupid code to save the old name
	obj = new GUIObject(imageManager, renderer, 0, 0, 0, 0, it->first.c_str(), 0, false, false);
	obj->name = "oldName";
	root->addChild(obj);

	addLayerNameNote(imageManager, renderer, root);

	obj = new GUILabel(imageManager, renderer, 40, 254, 520, 36, _("Layer moving speed (1 speed = 0.8 block/s):"));
	root->addChild(obj);
	obj = new GUILabel(imageManager, renderer, 40, 290, 40, 36, "X");
	root->addChild(obj);
	obj = new GUILabel(imageManager, renderer, 320, 290, 40, 36, "Y");
	root->addChild(obj);

	GUISpinBox *spinBox = new GUISpinBox(imageManager, renderer, 80, 290, 200, 36);
	spinBox->name = "speedX";
	spinBox->caption = tfm::format("%g", it->second->speedX);
	spinBox->format = "%g";
	root->addChild(spinBox);
	spinBox = new GUISpinBox(imageManager, renderer, 360, 290, 200, 36);
	spinBox->name = "speedY";
	spinBox->caption = tfm::format("%g", it->second->speedY);
	spinBox->format = "%g";
	root->addChild(spinBox);

	obj = new GUILabel(imageManager, renderer, 40, 334, 520, 36, _("Speed of following camera:"));
	root->addChild(obj);
	obj = new GUILabel(imageManager, renderer, 40, 370, 40, 36, "X");
	root->addChild(obj);
	obj = new GUILabel(imageManager, renderer, 320, 370, 40, 36, "Y");
	root->addChild(obj);

	spinBox = new GUISpinBox(imageManager, renderer, 80, 370, 200, 36);
	spinBox->name = "cameraX";
	spinBox->caption = tfm::format("%g", it->second->cameraX);
	spinBox->format = "%g";
	spinBox->change = 0.1f;
	root->addChild(spinBox);
	spinBox = new GUISpinBox(imageManager, renderer, 360, 370, 200, 36);
	spinBox->name = "cameraY";
	spinBox->caption = tfm::format("%g", it->second->cameraY);
	spinBox->format = "%g";
	spinBox->change = 0.1f;
	root->addChild(spinBox);

	obj = new GUIButton(imageManager, renderer, root->width*0.3, 500 - 44, -1, 36, _("OK"), 0, true, true, GUIGravityCenter);
	obj->name = "cfgLayerSettingsOK";
	obj->eventCallback = root;
	root->addChild(obj);
	obj = new GUIButton(imageManager, renderer, root->width*0.7, 500 - 44, -1, 36, _("Cancel"), 0, true, true, GUIGravityCenter);
	obj->name = "cfgCancel";
	obj->eventCallback = root;
	root->addChild(obj);

	//Add the window to the GUIObjectRoot and the objectWindows map.
	GUIObjectRoot->addChild(root);
	parent->objectWindows[root] = target;

	//And dismiss this popup.
	dismiss();
	return;
	} else if (action == "MoveToLayer") {
	// move the selected object to another layer
	if (parent->selection.empty() \|\| parent->selectedLayer.empty()) {
	// either nothing selected, or can't move objects in Blocks layer
	actions->value = -1;
	return;
	}

	//Create the rename layer GUI.
	GUIWindow* root = new GUIWindow(imageManager, renderer, (SCREEN_WIDTH - 600) / 2, (SCREEN_HEIGHT - 300) / 2, 600, 300, true, true, _("Move to layer"));
	root->name = "moveToLayerWindow";
	root->eventCallback = parent;
	GUIObject* obj;

	obj = new GUILabel(imageManager, renderer, 40, 64, 520, 36, _("Enter the layer name (create new layer if necessary):"));
	root->addChild(obj);
	GUITextBox* obj2 = new GUITextBox(imageManager, renderer, 40, 100, 520, 36, parent->selectedLayer.c_str());
	//Set the name of the text area, which is used to identify the object later on.
	obj2->name = "layerName";
	root->addChild(obj2);

	// A stupid code to save the old name
	obj = new GUIObject(imageManager, renderer, 0, 0, 0, 0, parent->selectedLayer.c_str(), 0, false, false);
	obj->name = "oldName";
	root->addChild(obj);

	addLayerNameNote(imageManager, renderer, root);

	obj = new GUIButton(imageManager, renderer, root->width*0.3, 300 - 44, -1, 36, _("OK"), 0, true, true, GUIGravityCenter);
	obj->name = "cfgMoveToLayerOK";
	obj->eventCallback = root;
	root->addChild(obj);
	obj = new GUIButton(imageManager, renderer, root->width*0.7, 300 - 44, -1, 36, _("Cancel"), 0, true, true, GUIGravityCenter);
	obj->name = "cfgCancel";
	obj->eventCallback = root;
	root->addChild(obj);

	//Add the window to the GUIObjectRoot and the objectWindows map.
	GUIObjectRoot->addChild(root);
	parent->objectWindows[root] = target;

	//And dismiss this popup.
	dismiss();
	return;
	} else if (action.size() > 10 && action.substr(0, 10) == "RepeatMode") {
	Scenery scenery = dynamic_cast<Scenery>(target);
	if (scenery) {
	int index = atoi(action.c_str() + 10);
	assert(index >= 0 && index < 4);

	//Get the current repeat mode.
	unsigned int repeatMode = scenery->repeatMode;

	//Extract the value we want to modify.
	unsigned int i = (repeatMode >> (index * 8)) & 0xFF;
	repeatMode &= ~(0xFFu << (index * 8));

	//Increase the value.
	for (;;) {
	i++;
	if (i >= Scenery::REPEAT_MODE_MAX) i = 0;

	// skip invalid values (POSITIVE_INFINITY for start, NEGATIVE_INFINITY for end)
	if ((index & 1) == 0 && i == Scenery::POSITIVE_INFINITY) continue;
	if ((index & 1) == 1 && i == Scenery::NEGATIVE_INFINITY) continue;

	break;
	}

	//Update the repeat mode of the block.
	char s[64];
	sprintf(s, "%u", repeatMode \| (i << (index * 8)));
	parent->commandManager->doCommand(new SetEditorPropertyCommand(parent, imageManager, renderer,
	target, "repeatMode", s, _("Repeat mode")));

	//And update the item.
	const char* ss[4] = {
	__("Horizontal repeat start: %s"),
	__("Horizontal repeat end: %s"),
	__("Vertical repeat start: %s"),
	__("Vertical repeat end: %s"),
	};
	const int icons[4] = {
	8 * 2 + 3, 8 * 2 + 4, 8 * 3 + 3, 8 * 3 + 4,
	};
	updateItem(renderer, actions->value, action.c_str(), tfm::format(_(ss[index]), getRepeatModeName(i)).c_str(), icons[index]);
	}
	actions->value = -1;
	return;
	} else if (action == "CustomScenery") {
	//Create the GUI.
	GUIWindow* root = new GUIWindow(imageManager, renderer, (SCREEN_WIDTH - 600) / 2, (SCREEN_HEIGHT - 400) / 2, 600, 400, true, true, _("Custom scenery"));
	root->name = "customSceneryWindow";
	root->eventCallback = parent;
	GUIObject* obj;

	obj = new GUILabel(imageManager, renderer, 50, 60, 240, 36, _("Custom scenery:"));
	root->addChild(obj);

	//Add a text area.
	Scenery* scenery = dynamic_cast<Scenery*>(target);
	GUITextArea* text = new GUITextArea(imageManager, renderer, 50, 100, 500, 240);
	text->name = "cfgCustomScenery";
	text->setFont(fontMono);
	//Only set the first one visible and enabled.
	text->visible = true;
	text->enabled = true;

	// FIXME: an ad-hoc code
	std::string s;
	for (char c : scenery->customScenery_) {
	if (c == '\t')
	s.append(" ");
	else
	s.push_back(c);
	}
	text->setString(renderer, s);
	root->addChild(text);

	obj = new GUIButton(imageManager, renderer, root->width*0.3, 400 - 44, -1, 36, _("OK"), 0, true, true, GUIGravityCenter);
	obj->name = "cfgCustomSceneryOK";
	obj->eventCallback = root;
	root->addChild(obj);
	obj = new GUIButton(imageManager, renderer, root->width*0.7, 400 - 44, -1, 36, _("Cancel"), 0, true, true, GUIGravityCenter);
	obj->name = "cfgCancel";
	obj->eventCallback = root;
	root->addChild(obj);

	//Add the window to the GUIObjectRoot and the objectWindows map.
	GUIObjectRoot->addChild(root);
	parent->objectWindows[root] = target;

	//And dismiss this popup.
	dismiss();
	return;
	} else if (action == "Appearance"){
	//Create the GUI.
	GUIWindow* root = new GUIWindow(imageManager, renderer, (SCREEN_WIDTH - 600) / 2, (SCREEN_HEIGHT - 400) / 2, 600, 400, true, true, _("Appearance"));
	root->name = "appearanceWindow";
	root->eventCallback = parent;
	GUIObject* obj;

	Block* block = dynamic_cast<Block*>(target);

	//Create a list box showing all available scenery blocks.
	GUIListBox *list = new GUIListBox(imageManager, renderer, 50, 60, 440, 280);
	list->name = "lstAppearance";
	list->eventCallback = root;
	root->addChild(list);

	//TODO: Show the image along with the text in the list box.
	//Currently I don't like to do that because this requires a lot of video memory since there are a lot of available scenery blocks.
	list->addItem(renderer, _("(Use the default appearance for this block)"));
	if (block->customAppearanceName.empty()) list->value = 0;
	for (const std::string& s : parent->sceneryBlockNames) {
	list->addItem(renderer, describeSceneryName(s));
	if (block->customAppearanceName == s) list->value = list->item.size() - 1;
	}
	if (list->value < 0) {
	std::cerr << "WARNING: The custom appearance '" << block->customAppearanceName << "' is unrecognized, added it to the list box anyway" << std::endl;
	list->addItem(renderer, block->customAppearanceName);
	list->value = list->item.size() - 1;
	}

	//Ask the list box to update scrollbar and we scroll the scrollbar to the correct position (FIXME: ad-hoc code)
	list->render(renderer, 0, 0, false);
	list->scrollScrollbar(list->value);

	//Create an image widget showing the appearance of selected scenery block.
	GUIImage *image = new GUIImage(imageManager, renderer, 500, 60, 50, 50);
	image->name = "imgAppearance";
	root->addChild(image);

	//Add a Change event to the list box which will be processed next frame, which is used to update the image widget.
	GUIEventQueue.push_back(GUIEvent{ list->eventCallback, list->name, list, GUIEventChange });

	obj = new GUIButton(imageManager, renderer, root->width*0.3, 400 - 44, -1, 36, _("OK"), 0, true, true, GUIGravityCenter);
	obj->name = "cfgAppearanceOK";
	obj->eventCallback = root;
	root->addChild(obj);
	obj = new GUIButton(imageManager, renderer, root->width*0.7, 400 - 44, -1, 36, _("Cancel"), 0, true, true, GUIGravityCenter);
	obj->name = "cfgCancel";
	obj->eventCallback = root;
	root->addChild(obj);

	//Add the window to the GUIObjectRoot and the objectWindows map.
	GUIObjectRoot->addChild(root);
	parent->objectWindows[root] = target;

	//And dismiss this popup.
	dismiss();
	return;
	}
	}
	};


	/////////////////LevelEditorSelectionPopup/////////////////

	class LevelEditorSelectionPopup{
	private:
	//The parent object.
	LevelEditor* parent;

	//The position of window.
	SDL_Rect rect;

	//GUI image.
	SharedTexture bmGUI;

	//The selection
	std::vector<GameObject*> selection;

	//The scrollbar.
	GUIScrollBar* scrollBar;

	//Highlighted object.
	GameObject* highlightedObj;

	//Highlighted button index. 0=none 1=select/deselect 2=delete 3=configure
	int highlightedBtn;
	public:
	int startRow,showedRow;

	//If selection is dirty
	bool dirty;

	public:
	SDL_Rect getRect(){
	return rect;
	}
	int width(){
	return rect.w;
	}
	int height(){
	return rect.h;
	}
	void updateScrollBar(ImageManager& imageManager, SDL_Renderer& renderer){
	int m=selection.size()-showedRow;
	if(m>0){
	if(startRow<0) startRow=0;
	else if(startRow>m) startRow=m;

	if(scrollBar==NULL){
	scrollBar=new GUIScrollBar(imageManager,renderer,0,0,16,rect.h-16,ScrollBarVertical,startRow,0,m,1,showedRow);
	}

	scrollBar->visible=true;
	scrollBar->maxValue=m;
	scrollBar->value=startRow;
	}else{
	startRow=0;
	if(scrollBar){
	scrollBar->visible=false;
	scrollBar->value=0;
	}
	}
	}
	void updateSelection(ImageManager& imageManager, SDL_Renderer& renderer){
	if(parent!=NULL){
	std::vector<Block*>& v=parent->levelObjects;

	for(int i=selection.size()-1;i>=0;i--){
	if(find(v.begin(),v.end(),selection[i])==v.end()){
	selection.erase(selection.begin()+i);
	}
	}

	updateScrollBar(imageManager,renderer);
	}
	}
	void dismiss(){
	if(parent!=NULL && parent->selectionPopup==this){
	parent->selectionPopup=NULL;
	}
	delete this;
	}
	LevelEditorSelectionPopup(LevelEditor* parent, ImageManager& imageManager, SDL_Renderer& renderer, std::vector<GameObject*>& selection, int x=0, int y=0){
	this->parent=parent;
	this->selection=selection;

	dirty=false;
	scrollBar=NULL;
	highlightedObj=NULL;
	highlightedBtn=0;

	//calc window size
	startRow=0;
	showedRow=selection.size();
	int m=SCREEN_HEIGHT/64-1;
	if(showedRow>m) showedRow=m;

	rect.w=320;
	rect.h=showedRow*64+16;

	if(x>SCREEN_WIDTH-rect.w) x=SCREEN_WIDTH-rect.w;
	else if(x<0) x=0;
	if(y>SCREEN_HEIGHT-rect.h) y=SCREEN_HEIGHT-rect.h;
	else if(y<0) y=0;
	rect.x=x;
	rect.y=y;

	updateScrollBar(imageManager,renderer);

	//Load the gui images.
	bmGUI=imageManager.loadTexture(getDataPath()+"gfx/gui.png",renderer);
	}
	virtual ~LevelEditorSelectionPopup(){
	if(scrollBar)
	delete scrollBar;
	}
	void move(int x,int y){
	if(x>SCREEN_WIDTH-rect.w) x=SCREEN_WIDTH-rect.w;
	else if(x<0) x=0;
	if(y>SCREEN_HEIGHT-rect.h) y=SCREEN_HEIGHT-rect.h;
	else if(y<0) y=0;
	rect.x=x;
	rect.y=y;
	}
	void render(ImageManager& imageManager, SDL_Renderer& renderer){
	//Check dirty
	if(dirty){
	updateSelection(imageManager,renderer);
	if(selection.empty()){
	dismiss();
	return;
	}
	dirty=false;
	}

	//background
	drawGUIBox(rect.x,rect.y,rect.w,rect.h,renderer,0xFFFFFFFFU);

	//get mouse position
	int x,y;
	SDL_GetMouseState(&x,&y);
	SDL_Rect mouse={x,y,0,0};

	//the tool tip of item
	SDL_Rect tooltipRect;
	//string tooltip;

	if(scrollBar && scrollBar->visible){
	startRow=scrollBar->value;
	}

	highlightedObj=NULL;
	highlightedBtn=0;

	ToolTips toolTip = ToolTips::TooltipMax;

	//draw avaliable item
	for(int i=0;i<showedRow;i++){
	int j=startRow+i;
	if(j>=(int)selection.size()) break;

	SDL_Rect r={rect.x+8,rect.y+i*64+8,rect.w-16,64};
	if(scrollBar && scrollBar->visible) r.w-=24;

	//check highlight
	if(checkCollision(mouse,r)){
	highlightedObj=selection[j];
	//0xCCCCCC
	SDL_SetRenderDrawColor(&renderer,0xCC,0xCC,0xCC,0xFF);
	SDL_RenderFillRect(&renderer,&r);
	}

	const int type = selection[j]->type;
	Scenery scenery = dynamic_cast<Scenery>(selection[j]);
	if (scenery) {
	if (scenery->themeBlock == &(scenery->internalThemeBlock)) {
	// custom scenery, draw an ad-hoc stupid icon
	if (parent) {
	const SDL_Rect srcRect = { 48, 16, 16, 16 };
	const SDL_Rect dstRect = { r.x + 7, r.y + 7, 16, 16 };
	SDL_RenderCopy(&renderer, parent->bmGUI.get(), &srcRect, &dstRect);
	}
	} else {
	scenery->themeBlock->editorPicture.draw(renderer, r.x + 7, r.y + 7);
	}
	} else {
	//draw tile picture
	ThemeBlock* obj = objThemes.getBlock(type);
	if (obj){
	//obj->editorPicture.draw(screen,r.x+7,r.y+7);
	obj->editorPicture.draw(renderer, r.x + 7, r.y + 7);
	}
	}

	if(parent!=NULL){
	//draw name
	TexturePtr& tex = scenery ? (parent->getCachedTextTexture(renderer, scenery->sceneryName_.empty()
	? std::string(_("Custom scenery block")) : describeSceneryName(scenery->sceneryName_)))
	: parent->typeTextTextures.at(type);
	if (tex) {
	applyTexture(r.x + 64, r.y + (64 - textureHeight(tex)) / 2, tex, renderer);
	}

	//draw selected
	{
	std::vector<GameObject*> &v=parent->selection;
	bool isSelected=find(v.begin(),v.end(),selection[j])!=v.end();

	SDL_Rect r1={isSelected?16:0,0,16,16};
	SDL_Rect r2={r.x+r.w-72,r.y+20,24,24};
	if(checkCollision(mouse,r2)){
	drawGUIBox(r2.x,r2.y,r2.w,r2.h,renderer,0x999999FFU);
	tooltipRect=r2;
	//tooltip=_("Select");
	highlightedBtn=1;
	toolTip=ToolTips::Select;
	}
	r2.x+=4;
	r2.y+=4;
	r2.w=r1.w;
	r2.h=r1.h;
	SDL_RenderCopy(&renderer, bmGUI.get(),&r1,&r2);
	}

	//draw delete
	{
	SDL_Rect r1={112,0,16,16};
	SDL_Rect r2={r.x+r.w-48,r.y+20,24,24};
	if(checkCollision(mouse,r2)){
	drawGUIBox(r2.x,r2.y,r2.w,r2.h,renderer,0x999999FFU);
	tooltipRect=r2;
	//tooltip=_("Delete");
	highlightedBtn=2;
	toolTip=ToolTips::Delete;
	}
	r2.x+=4;
	r2.y+=4;
	r2.w=r1.w;
	r2.h=r1.h;
	SDL_RenderCopy(&renderer, bmGUI.get(),&r1,&r2);
	}

	//draw configure
	{
	SDL_Rect r1={112,16,16,16};
	SDL_Rect r2={r.x+r.w-24,r.y+20,24,24};
	if(checkCollision(mouse,r2)){
	drawGUIBox(r2.x,r2.y,r2.w,r2.h,renderer,0x999999FFU);
	tooltipRect=r2;
	//tooltip=_("Configure");
	toolTip=ToolTips::Configure;
	highlightedBtn=3;
	}
	r2.x+=4;
	r2.y+=4;
	r2.w=r1.w;
	r2.h=r1.h;
	SDL_RenderCopy(&renderer, bmGUI.get(),&r1,&r2);
	}
	}
	}

	//draw scrollbar
	if(scrollBar && scrollBar->visible){
	scrollBar->render(renderer,rect.x+rect.w-24,rect.y+8);
	}

	//draw tooltip
	if(parent && int(toolTip) < parent->tooltipTextures.size()){
	//Tool specific text.
	TexturePtr& tip=parent->tooltipTextures.at(size_t(toolTip));

	//Draw only if there's a tooltip available
	if(tip){
	const auto tipSize = rectFromTexture(tip);
	tooltipRect.y-=4;
	tooltipRect.h+=8;
	if(tooltipRect.y+tooltipRect.h+tipSize.h>SCREEN_HEIGHT-20)
	tooltipRect.y-=tipSize.h;
	else
	tooltipRect.y+=tooltipRect.h;

	if(tooltipRect.x+tipSize.w>SCREEN_WIDTH-20)
	tooltipRect.x=SCREEN_WIDTH-20-tipSize.w;

	//Draw borders around text
	Uint32 color=0xFFFFFF00\|230;
	drawGUIBox(tooltipRect.x-2,tooltipRect.y-2,tipSize.w+4,tipSize.h+4,renderer,color);

	//Draw tooltip's text
	applyTexture(tooltipRect.x,tooltipRect.y,tip,renderer);
	}
	}
	}
	void handleEvents(ImageManager& imageManager,SDL_Renderer& renderer){
	//Check dirty
	if(dirty){
	updateSelection(imageManager,renderer);
	if(selection.empty()){
	dismiss();
	return;
	}
	dirty=false;
	}

	//Check scrollbar event
	if(scrollBar && scrollBar->visible){
	if(scrollBar->handleEvents(renderer,rect.x+rect.w-24,rect.y+8)) return;
	}

	if(event.type==SDL_MOUSEBUTTONDOWN){
	if(event.button.button==SDL_BUTTON_LEFT){
	SDL_Rect mouse={event.button.x,event.button.y,0,0};

	//Check if close it
	if(!checkCollision(mouse,rect)){
	dismiss();
	return;
	}

	//Check if item is clicked
	if(highlightedObj!=NULL && highlightedBtn>0 && parent!=NULL){
	//std::vector<Block*>& v=parent->levelObjects;

	if(/find(v.begin(),v.end(),highlightedObj)!=v.end()/true/???/){
	switch(highlightedBtn){
	case 1:
	{
	std::vector<GameObject*>& v2=parent->selection;
	std::vector<GameObject*>::iterator it=find(v2.begin(),v2.end(),highlightedObj);

	if(it==v2.end()){
	v2.push_back(highlightedObj);
	}else{
	v2.erase(it);
	}
	}
	break;
	case 2:
	parent->commandManager->doCommand(new AddRemoveGameObjectCommand(parent, highlightedObj, false));
	break;
	case 3:
	if(parent->actionsPopup)
	delete parent->actionsPopup;
	parent->actionsPopup=new LevelEditorActionsPopup(imageManager,renderer,parent,highlightedObj,mouse.x,mouse.y);
	break;
	}
	}
	}
	}
	}
	else if(event.type == SDL_MOUSEWHEEL) {
	//check mousewheel
	if(event.wheel.y < 0){
	startRow-=2;
	updateScrollBar(imageManager,renderer);
	return;
	} else {
	startRow+=2;
	updateScrollBar(imageManager,renderer);
	return;
	}
	}
	}
	};

	/////////////////MovingPosition////////////////////////////
	MovingPosition::MovingPosition(int x,int y,int time){
	this->x=x;
	this->y=y;
	this->time=time;
	}

	MovingPosition::~MovingPosition(){}

	void MovingPosition::updatePosition(int x,int y){
	this->x=x;
	this->y=y;
	}

	/////////////////LEVEL EDITOR//////////////////////////////
	LevelEditor::LevelEditor(SDL_Renderer& renderer, ImageManager& imageManager):Game(renderer, imageManager){
	//This will set some default settings.
	reset();

	//Create the GUI root.
	GUIObjectRoot=new GUIObject(imageManager,renderer,0,0,SCREEN_WIDTH,SCREEN_HEIGHT);

	//Load the toolbar.
	toolbar=imageManager.loadTexture(getDataPath()+"gfx/menu/toolbar.png",renderer);
	toolbarRect={(SCREEN_WIDTH-460)/2,SCREEN_HEIGHT-50,460,50};

	selectionPopup=NULL;
	actionsPopup=NULL;

	movingSpeedWidth=-1;

	//Load the selectionMark.
	selectionMark=imageManager.loadTexture(getDataPath()+"gfx/menu/selection.png",renderer);

	//Load the movingMark.
	movingMark=imageManager.loadTexture(getDataPath()+"gfx/menu/moving.png",renderer);

	//Load the gui images.
	bmGUI=imageManager.loadTexture(getDataPath()+"gfx/gui.png",renderer);
	toolboxText=textureFromText(renderer,*fontText,_("Toolbox"),objThemes.getTextColor(true));

	for(size_t i = 0;i < typeTextTextures.size();++i) {
	typeTextTextures[i] =
	textureFromText(renderer,
	*fontText,
	_(blockNames[i]),
	objThemes.getTextColor(true));
	}

	for(size_t i = 0;i < tooltipTextures.size();++i) {
	if (tooltipNames[i][0]) {
	tooltipTextures[i] =
	textureFromText(renderer,
	*fontText,
	_(tooltipNames[i]),
	objThemes.getTextColor(true));
	}
	}

	//Count the level editing time.
	statsMgr.startLevelEdit();

	//Create the command manager with a maximum of 100 commands.
	commandManager = new CommandManager(100);
	}

	// FIXME: I have to write this function here since we need to access the static blockNames[]
	std::string MoveGameObjectCommand::describe() {
	if (objects.size() == 1) {
	const bool isResize = oldPosition[0].w != newPosition[0].w \|\| oldPosition[0].h != newPosition[0].h;
	Scenery scenery = dynamic_cast<Scenery>(objects[0]);
	return tfm::format(isResize ? _("Resize %s") : _("Move %s"), scenery ? (scenery->sceneryName_.empty() ? _("Custom scenery block")
	: describeSceneryName(scenery->sceneryName_).c_str())
	: _(blockNames[objects[0]->type]));
	} else {
	return tfm::format(_("Move %d objects"), objects.size());
	}
	}

	// FIXME: I have to write this function here since we need to access the static blockNames[]
	std::string AddRemoveGameObjectCommand::describe() {
	if (objects.size() == 1) {
	Scenery scenery = dynamic_cast<Scenery>(objects[0]);
	return tfm::format(isAdd ? _("Add %s") : _("Remove %s"), scenery ? (scenery->sceneryName_.empty() ? _("Custom scenery block")
	: describeSceneryName(scenery->sceneryName_).c_str())
	: _(blockNames[objects[0]->type]));
	} else {
	return tfm::format(isAdd ? _("Add %d objects") : _("Remove %d objects"), objects.size());
	}
	}

	// FIXME: I have to write this function here since we need to access the static blockNames[]
	std::string AddRemovePathCommand::describe() {
	return tfm::format(isAdd ? _("Add path to %s") : _("Remove a path point from %s"), _(blockNames[target->type]));
	}

	// FIXME: I have to write this function here since we need to access the static blockNames[]
	std::string RemovePathCommand::describe() {
	return tfm::format(_("Remove all paths from %s"), _(blockNames[target->type]));
	}

	// FIXME: I have to write this function here since we need to access the static blockNames[]
	std::string AddLinkCommand::describe() {
	return tfm::format(_("Add link from %s to %s"), _(blockNames[target->type]), _(blockNames[clickedObj->type]));
	}

	// FIXME: I have to write this function here since we need to access the static blockNames[]
	std::string RemoveLinkCommand::describe() {
	return tfm::format(_("Remove all links from %s"), _(blockNames[target->type]));
	}

	// FIXME: I have to write this function here since we need to access the static blockNames[]
	std::string SetEditorPropertyCommand::describe() {
	Scenery scenery = dynamic_cast<Scenery>(target);
	std::string s = _("Modify the %2 property of %1");
	size_t lp = s.find("%1");
	if (lp != string::npos) {
	std::string s1 = scenery ? (scenery->sceneryName_.empty() ? _("Custom scenery block")
	: describeSceneryName(scenery->sceneryName_).c_str())
	: _(blockNames[target->type]);
	s = s.substr(0, lp) + s1 + s.substr(lp + 2);
	}
	lp = s.find("%2");
	if (lp != string::npos) {
	s = s.substr(0, lp) + desc + s.substr(lp + 2);
	}
	return s;
	}

	// FIXME: I have to write this function here since we need to access the static variable levelTime and levelRecordings
	SetLevelPropertyCommand::SetLevelPropertyCommand(LevelEditor* levelEditor, const LevelProperty& levelProperty)
	: editor(levelEditor), newProperty(levelProperty)
	{
	oldProperty.levelName = editor->levelName;
	oldProperty.levelTheme = editor->levelTheme;
	oldProperty.levelMusic = editor->levelMusic;
	oldProperty.levelTime = levelTime;
	oldProperty.levelRecordings = levelRecordings;
	}

	// FIXME: I have to write this function here since we need to access the static variable levelTime and levelRecordings
	void SetLevelPropertyCommand::setLevelProperty(const LevelProperty& levelProperty) {
	bool musicChanged = editor->levelMusic != levelProperty.levelMusic;

	editor->levelName = levelProperty.levelName;
	editor->levelTheme = levelProperty.levelTheme;
	editor->levelMusic = levelProperty.levelMusic;
	levelTime = levelProperty.levelTime;
	levelRecordings = levelProperty.levelRecordings;

	if (musicChanged) {
	#ifdef _DEBUG
	printf("DEBUG: Level music is changed dynamically in level editor\n");
	#endif
	editor->editorData["music"] = editor->levelMusic;
	editor->reloadMusic();
	}
	}

	// FIXME: I have to write this function here since we need to access the static blockNames[]
	std::string SetScriptCommand::describe() {
	if (target) {
	return tfm::format(_("Edit the script of %s"), _(blockNames[target->type]));
	} else {
	return _("Edit the script of level");
	}
	}

	LevelEditor::~LevelEditor(){
	//Delete the command manager.
	delete commandManager;

	// NOTE: We don't need to delete levelObjects, etc. since they are deleted in Game::~Game().

	// Clear selection
	selection.clear();

	//Delete the GUI.
	if(GUIObjectRoot){
	delete GUIObjectRoot;
	GUIObjectRoot=NULL;
	}

	//Delete the popup
	if(selectionPopup){
	delete selectionPopup;
	selectionPopup=NULL;
	}

	//Delete the popup
	if(actionsPopup){
	delete actionsPopup;
	actionsPopup=NULL;
	}

	//Reset the camera.
	camera.x=0;
	camera.y=0;

	//Count the level editing time.
	statsMgr.endLevelEdit();
	}

	TexturePtr& LevelEditor::getCachedTextTexture(SDL_Renderer& renderer, const std::string& text) {
	auto it = cachedTextTextures.find(text);
	if (it != cachedTextTextures.end()) return it->second;
	return (cachedTextTextures[text] = textureFromText(renderer,
	*fontText,
	text.c_str(),
	objThemes.getTextColor(true)));
	}

	void LevelEditor::reset(){
	//Set some default values.
	playMode=false;
	tool=ADD;
	currentType=0;
	toolboxVisible=false;
	toolboxRect.x=-1;
	toolboxRect.y=-1;
	toolboxRect.w=0;
	toolboxRect.h=0;
	toolboxIndex=0;
	pressedShift=false;
	pressedLeftMouse=false;
	dragging=false;
	selectionDrag=-1;
	dragCenter=NULL;
	cameraXvel=0;
	cameraYvel=0;
	linking=false;
	linkingTrigger=NULL;
	currentId=0;
	movingBlock=NULL;
	moving=false;
	movingSpeed=10;
	pauseTime = 0;
	tooltip=-1;

	//Set the player and shadow to their starting position.
	player.setLocation(player.fx,player.fy);
	shadow.setLocation(shadow.fx,shadow.fy);

	selection.clear();
	clipboard.clear();
	triggers.clear();
	movingBlocks.clear();

	//Delete any gui.
	if(GUIObjectRoot){
	delete GUIObjectRoot;
	GUIObjectRoot=NULL;
	}
	//Clear the GUIWindow object map.
	objectWindows.clear();
	}

	void LevelEditor::loadLevelFromNode(ImageManager& imageManager, SDL_Renderer& renderer,TreeStorageNode* obj, const std::string& fileName){
	//call the method of base class.
	Game::loadLevelFromNode(imageManager,renderer,obj,fileName);

	//now do our own stuff.
	string s=editorData["time"];
	if(s.empty() \|\| !(s[0]>='0' && s[0]<='9')){
	levelTime=-1;
	}else{
	levelTime=atoi(s.c_str());
	}

	s=editorData["recordings"];
	if(s.empty() \|\| !(s[0]>='0' && s[0]<='9')){
	levelRecordings=-1;
	}else{
	levelRecordings=atoi(s.c_str());
	}

	levelTheme = editorData["theme"];
	levelMusic = editorData["music"];

	//NOTE: We set the camera here since we know the dimensions of the level.
	if(LEVEL_WIDTH<SCREEN_WIDTH)
	camera.x=-(SCREEN_WIDTH-LEVEL_WIDTH)/2;
	else
	camera.x=0;
	if(LEVEL_HEIGHT<SCREEN_HEIGHT)
	camera.y=-(SCREEN_HEIGHT-LEVEL_HEIGHT)/2;
	else
	camera.y=0;

	//The level is loaded, so call postLoad.
	postLoad();
	}

	void LevelEditor::saveLevel(string fileName){
	//Create the output stream and check if it starts.
	std::ofstream save(fileName.c_str());
	if(!save) return;

	//The dimensions of the level.
	int maxX=0;
	int maxY=0;

	//The storageNode to put the level data in before writing it away.
	TreeStorageNode node;
	char s[64];

	//The name of the level.
	if(!levelName.empty()){
	node.attributes["name"].push_back(levelName);

	//Update the level name in the levelpack.
	levels->getLevel()->name=levelName;
	}

	//The level theme.
	if(!levelTheme.empty())
	node.attributes["theme"].push_back(levelTheme);

	//The level music.
	if (!levelMusic.empty())
	node.attributes["music"].push_back(levelMusic);

	//target time and recordings.
	{
	char c[32];
	if(levelTime>=0){
	sprintf(c,"%d",levelTime);
	node.attributes["time"].push_back(c);

	//Update the target time the levelpack.
	levels->getLevel()->targetTime=levelTime;
	}
	if(levelRecordings>=0){
	sprintf(c,"%d",levelRecordings);
	node.attributes["recordings"].push_back(c);

	//Update the target recordings the levelpack.
	levels->getLevel()->targetRecordings=levelRecordings;
	}
	}

	//The width of the level.
	maxX=LEVEL_WIDTH;
	sprintf(s,"%d",maxX);
	node.attributes["size"].push_back(s);

	//The height of the level.
	maxY=LEVEL_HEIGHT;
	sprintf(s,"%d",maxY);
	node.attributes["size"].push_back(s);

	//Loop through the gameObjects and save them.
	for(int o=0;o<(signed)levelObjects.size();o++){
	int objectType=levelObjects[o]->type;

	//Check if it's a legal gameObject type.
	if(objectType>=0 && objectType<TYPE_MAX){
	TreeStorageNode* obj1=new TreeStorageNode;
	node.subNodes.push_back(obj1);

	//It's a tile so name the node tile.
	obj1->name="tile";

	//Write away the type of the gameObject.
	obj1->value.push_back(blockName[objectType]);

	//Get the box for the location of the gameObject.
	SDL_Rect box=levelObjects[o]->getBox(BoxType_Base);
	//Put the location and size in the storageNode.
	sprintf(s,"%d",box.x);
	obj1->value.push_back(s);
	sprintf(s,"%d",box.y);
	obj1->value.push_back(s);
	sprintf(s,"%d",box.w);
	obj1->value.push_back(s);
	sprintf(s,"%d",box.h);
	obj1->value.push_back(s);

	//Loop through the editor data and save it also.
	vector<pair<string,string> > obj;
	levelObjects[o]->getEditorData(obj);
	for (const auto& o : obj) {
	//Skip the data whose key or value is empty.
	if (o.first.empty()) continue;
	if (o.second.empty()) continue;

	//Skip SOME data whose value is the default value. Currently only some boolean values are skipped.
	//WARNING: When the default values are changed, these codes MUST be modified accordingly!!!

	//NOTE: Currently we skip the "visible" property since it is used for every block and usually it's the default value.
	if (o.first == "visible" && o.second == "1") continue;

	#if 0
	//NOTE: The following codes are more aggressive!!!
	//if (o.first == "activated" && o.second == "1") continue; //moving blocks and conveyor belt // Don't use this because there was a "disabled" property
	if (o.first == "loop" && o.second == "1") continue; //moving blocks and conveyor belt
	if (o.first == "automatic" && o.second == "0") continue; //portal
	#endif

	//Save the data.
	obj1->attributes[o.first].push_back(o.second);
	}

	//Loop through the scripts and add them to the storage node of the game object.
	map<int,string>::iterator it;
	Block* object=(dynamic_cast<Block*>(levelObjects[o]));
	for(it=object->scripts.begin();it!=object->scripts.end();++it){
	//Make sure the script isn't an empty string.
	if(it->second.empty())
	continue;

	TreeStorageNode* script=new TreeStorageNode;
	obj1->subNodes.push_back(script);

	script->name="script";
	script->value.push_back(gameObjectEventTypeMap[it->first]);

	script->attributes["script"].push_back(it->second);
	}
	}
	}

	//Loop through the level scripts and save them.
	for(auto it=scripts.begin();it!=scripts.end();++it){
	//Make sure the script isn't an empty string.
	if(it->second.empty())
	continue;

	TreeStorageNode* script=new TreeStorageNode;
	node.subNodes.push_back(script);

	script->name="script";
	script->value.push_back(levelEventTypeMap[it->first]);

	script->attributes["script"].push_back(it->second);
	}

	//Loop through the scenery layers and save them.
	for (auto it = sceneryLayers.begin(); it != sceneryLayers.end(); ++it) {
	TreeStorageNode* layer = new TreeStorageNode;
	node.subNodes.push_back(layer);

	layer->name = "scenerylayer";
	layer->value.push_back(it->first);

	it->second->saveToNode(layer);
	}

	//Create a POASerializer and write away the level node.
	POASerializer objSerializer;
	objSerializer.writeNode(&node,save,true,true);
	}

	void LevelEditor::deselectAll() {
	selection.clear();
	dragCenter = NULL;
	selectionDrag = -1;
	selectionDirty();
	}

	///////////////EVENT///////////////////
	void LevelEditor::handleEvents(ImageManager& imageManager, SDL_Renderer& renderer){
	//Check if we need to quit, if so we enter the exit state.
	if(event.type==SDL_QUIT){
	setNextState(STATE_EXIT);
	}

	//If playing/testing we should the game handle the events.
	if(playMode){
	Game::handleEvents(imageManager,renderer);

	//Also check if we should exit the playMode.
	if(inputMgr.isKeyDownEvent(INPUTMGR_ESCAPE)){
	//Reset the game and disable playMode, disable script.
	Game::reset(true, true);
	playMode=false;
	GUIObjectRoot->visible=true;
	camera.x=cameraSave.x;
	camera.y=cameraSave.y;

	//NOTE: To prevent the mouse to still "be pressed" we set it to false.
	pressedLeftMouse=false;
	}
	}else{
	//Also check if we should exit the editor.
	if(inputMgr.isKeyDownEvent(INPUTMGR_ESCAPE)){
	std::string s;
	//Check if the file is changed
	if (commandManager->isChanged()) {
	s = _("The level has unsaved changes.");
	s.push_back('\n');
	}
	//Before we quit ask a make sure question.
	if(msgBox(imageManager,renderer,s+_("Are you sure you want to quit?"),MsgBoxYesNo,_("Quit prompt"))==MsgBoxYes){
	//We exit the level editor.
	setNextState(STATE_LEVEL_EDIT_SELECT);

	//Play the menu music again.
	getMusicManager()->playMusic("menu");

	//No need for handling other events, so return.
	return;
	}
	}

	//Check if we should redirect the event to the actions popup
	if(actionsPopup!=NULL){
	actionsPopup->handleEvents(renderer);
	return;
	}
	//Check if we should redirect the event to selection popup
	if(selectionPopup!=NULL){
	if(event.type==SDL_MOUSEBUTTONDOWN
	\|\| event.type==SDL_MOUSEBUTTONUP
	\|\| event.type==SDL_MOUSEMOTION)
	{
	selectionPopup->handleEvents(imageManager,renderer);
	return;
	}
	}
	//TODO: Don't handle any Events when GUIWindows process them.
	{
	//Get the current mouse location.
	int x,y;
	SDL_GetMouseState(&x,&y);
	//Create the rectangle.
	SDL_Rect mouse={x,y,0,0};
	for(unsigned int i=0;i<GUIObjectRoot->childControls.size();i++){
	SDL_Rect box={0,0,0,0};
	box.x=GUIObjectRoot->childControls[i]->left;
	box.y=GUIObjectRoot->childControls[i]->top;
	box.w=GUIObjectRoot->childControls[i]->width;
	box.h=GUIObjectRoot->childControls[i]->height;
	if(checkCollision(mouse,box))
	return;
	}
	}

	//Check if toolbar is clicked.
	if(event.type==SDL_MOUSEBUTTONDOWN && event.button.button==SDL_BUTTON_LEFT && tooltip>=0){
	int t=tooltip;

	if(t<NUMBER_TOOLS){
	tool=(Tools)t;

	//Stop linking or moving if the mode is not SELECT.
	if (tool != SELECT) {
	if (linking) {
	linking = false;
	linkingTrigger = NULL;
	}
	if (moving) {
	moving = false;
	movingBlock = NULL;
	}
	}
	}else{
	//The selected button isn't a tool.
	//Now check which button it is.
	if (t == (int)ToolTips::Play){
	enterPlayMode();
	}
	if (t == (int)ToolTips::LevelSettings){
	//Open up level settings dialog
	levelSettings(imageManager,renderer);
	}
	if (t == (int)ToolTips::BackToMenu){
	//If the file is changed we show a confirmation dialog
	if (commandManager->isChanged()) {
	std::string s = _("The level has unsaved changes.");
	s.push_back('\n');
	if (msgBox(imageManager, renderer, s + _("Are you sure you want to quit?"), MsgBoxYesNo, _("Quit prompt")) != MsgBoxYes) return;
	}

	//Go back to the level selection screen of Level Editor
	setNextState(STATE_LEVEL_EDIT_SELECT);
	//Change the music back to menu music.
	getMusicManager()->playMusic("menu");
	}
	if (t == (int)ToolTips::SaveLevel){
	//Save current level
	saveCurrentLevel(imageManager, renderer);
	}
	if (t == (int)ToolTips::UndoNoTooltip) {
	commandManager->undo();
	}
	if (t == (int)ToolTips::RedoNoTooltip) {
	commandManager->redo();
	}
	}

	return;
	}

	//Check if tool box is clicked.
	if(event.type==SDL_MOUSEBUTTONDOWN && event.button.button==SDL_BUTTON_LEFT && toolboxRect.w>0){
	if(toolboxVisible){
	if(event.button.y<64){
	//Check if we need to hide it
	if(event.button.x>=SCREEN_WIDTH-24 && event.button.x<SCREEN_WIDTH && event.button.y<20){
	toolboxVisible=false;
	return;
	}

	const int m = (SCREEN_WIDTH - 48) / 64;

	//Check if a block is clicked.
	if(event.button.x>=24 && event.button.x<SCREEN_WIDTH-24){
	int i=(event.button.x-24)/64;
	if(i<m && i+toolboxIndex<getEditorOrderMax()){
	currentType=i+toolboxIndex;
	}
	}

	//Check if move left button is clicked
	if (event.button.x >= 0 && event.button.x < 24 && event.button.y >= 20 && event.button.y < 44) {
	toolboxIndex -= m;
	if (toolboxIndex < 0) toolboxIndex = 0;
	}

	//Check if move right button is clicked
	if (event.button.x >= SCREEN_WIDTH - 24 && event.button.x < SCREEN_WIDTH && event.button.y >= 20 && event.button.y < 44) {
	toolboxIndex += m;
	if (toolboxIndex > getEditorOrderMax() - m) toolboxIndex = getEditorOrderMax() - m;
	if (toolboxIndex < 0) toolboxIndex = 0;
	}

	return;
	}
	}else if(event.button.x>=toolboxRect.x && event.button.x<toolboxRect.x+toolboxRect.w
	&& event.button.y>=toolboxRect.y && event.button.y<toolboxRect.y+toolboxRect.h)
	{
	toolboxVisible=true;
	return;
	}
	}

	//Check if shift is pressed.
	pressedShift=inputMgr.isKeyDown(INPUTMGR_SHIFT);

	//Check if delete is pressed.
	if (event.type == SDL_KEYDOWN && event.key.keysym.sym == SDLK_DELETE){
	if (!selection.empty()){
	AddRemoveGameObjectCommand *command = new AddRemoveGameObjectCommand(this, selection, false);

	//clear the selection vector first.
	deselectAll();

	//perform the actual deletion.
	commandManager->doCommand(command);
	}
	}

	//Check for copy (Ctrl+c) or cut (Ctrl+x).
	if(event.type==SDL_KEYDOWN && (event.key.keysym.sym==SDLK_c \|\| event.key.keysym.sym==SDLK_x) && (event.key.keysym.mod & KMOD_CTRL)){
	//Check if the selection isn't empty.
	if(!selection.empty()){
	//Clear the current clipboard.
	clipboard.clear();

	//Loop through the selection to find the left-top block.
	int x=selection[0]->getBox().x;
	int y=selection[0]->getBox().y;
	for(unsigned int o=1; o<selection.size(); o++){
	if(selection[o]->getBox().x<x \|\| selection[o]->getBox().y<y){
	x=selection[o]->getBox().x;
	y=selection[o]->getBox().y;
	}
	}

	//Loop through the selection for the actual copying.
	for(unsigned int o=0; o<selection.size(); o++){
	//Get the editor data of the object.
	vector<pair<string,string> > obj;
	selection[o]->getEditorData(obj);

	//Loop through the editor data and convert it.
	map<string,string> objMap;
	for(unsigned int i=0;i<obj.size();i++){
	objMap[obj[i].first]=obj[i].second;
	}
	//Add some entries to the map.
	char s[64];
	SDL_Rect r = selection[o]->getBox();
	sprintf(s, "%d", r.x - x);
	objMap["x"]=s;
	sprintf(s, "%d", r.y - y);
	objMap["y"]=s;
	sprintf(s, "%d", selection[o]->getBox().w);
	objMap["w"] = s;
	sprintf(s, "%d", selection[o]->getBox().h);
	objMap["h"] = s;

	Scenery scenery = dynamic_cast<Scenery>(selection[o]);
	if (scenery) {
	objMap["sceneryName"] = scenery->sceneryName_;
	objMap["customScenery"] = scenery->customScenery_;
	} else {
	sprintf(s, "%d", selection[o]->type);
	objMap["type"] = s;
	}

	//Overwrite the id to prevent triggers, portals, buttons, movingblocks, etc. from malfunctioning.
	//We give an empty string as id, which is invalid and thus suitable.
	objMap["id"]="";
	//Do the same for destination if the type is portal.
	if(selection[o]->type==TYPE_PORTAL){
	objMap["destination"]="";
	}

	//And add the map to the clipboard vector.
	clipboard.push_back(objMap);
	}

	//Cutting means deleting the game object.
	if (event.key.keysym.sym == SDLK_x && !selection.empty()){
	AddRemoveGameObjectCommand *command = new AddRemoveGameObjectCommand(this, selection, false);

	//clear the selection vector first.
	deselectAll();

	//perform the actual deletion.
	commandManager->doCommand(command);
	}
	}
	}

	//Check for paste (Ctrl+v).
	if(event.type==SDL_KEYDOWN && event.key.keysym.sym==SDLK_v && (event.key.keysym.mod & KMOD_CTRL)){
	//First make sure that the clipboard isn't empty.
	if(!clipboard.empty()){
	//Clear the current selection.
	deselectAll();

	//Get the current mouse location.
	int x,y;
	SDL_GetMouseState(&x,&y);
	x+=camera.x;
	y+=camera.y;

	//Apply snap to grid.
	if(!pressedShift){
	snapToGrid(&x,&y);
	}else{
	x-=25;
	y-=25;
	}

	std::vector<GameObject*> newObjects;

	//Loop through the clipboard.
	for(unsigned int o=0;o<clipboard.size();o++){
	GameObject *obj = NULL;

	if (clipboard[o].find("sceneryName") == clipboard[o].end()) {
	// a normal block
	if (!selectedLayer.empty()) continue;
	obj = new Block(this, 0, 0, 50, 50, atoi(clipboard[o]["type"].c_str()));
	} else {
	// a scenery block
	if (selectedLayer.empty()) continue;
	Scenery *scenery = new Scenery(this, 0, 0, 50, 50, clipboard[o]["sceneryName"]);
	if (clipboard[o]["sceneryName"].empty()) {
	scenery->customScenery_ = clipboard[o]["customScenery"];
	scenery->updateCustomScenery(imageManager, renderer);
	}
	obj = scenery;
	}

	obj->setBaseLocation(atoi(clipboard[o]["x"].c_str())+x,atoi(clipboard[o]["y"].c_str())+y);
	obj->setBaseSize(atoi(clipboard[o]["w"].c_str()), atoi(clipboard[o]["h"].c_str()));
	obj->setEditorData(clipboard[o]);

	//add the object.
	newObjects.push_back(obj);

	//Also add the block to the selection.
	selection.push_back(obj);
	}

	// Do the actual object insertion
	if (!newObjects.empty()) {
	commandManager->doCommand(new AddRemoveGameObjectCommand(this, newObjects, true));
	}
	}
	}

	//Check for the arrow keys, used for moving the camera when playMode=false.
	cameraXvel=0;
	cameraYvel=0;
	if(inputMgr.isKeyDown(INPUTMGR_RIGHT)){
	if(pressedShift){
	cameraXvel+=10;
	}else{
	cameraXvel+=5;
	}
	}
	if(inputMgr.isKeyDown(INPUTMGR_LEFT)){
	if(pressedShift){
	cameraXvel-=10;
	}else{
	cameraXvel-=5;
	}
	}
	if(inputMgr.isKeyDown(INPUTMGR_UP)){
	if(pressedShift){
	cameraYvel-=10;
	}else{
	cameraYvel-=5;
	}
	}
	if(inputMgr.isKeyDown(INPUTMGR_DOWN)){
	if(pressedShift){
	cameraYvel+=10;
	}else{
	cameraYvel+=5;
	}
	}

	//Check if the left mouse button is pressed/holded.
	if(event.type==SDL_MOUSEBUTTONDOWN && event.button.button==SDL_BUTTON_LEFT){
	pressedLeftMouse=true;
	}
	if(event.type==SDL_MOUSEBUTTONUP && event.button.button==SDL_BUTTON_LEFT){
	pressedLeftMouse=false;

	//We also need to check if dragging is true.
	if(dragging){
	//Set dragging false and call the onDrop event.
	dragging=false;
	int x,y;
	SDL_GetMouseState(&x,&y);
	//We call the drop event.
	onDrop(x+camera.x,y+camera.y);
	}
	}

	//Check if the mouse is dragging.
	if(pressedLeftMouse && event.type==SDL_MOUSEMOTION){
	if(abs(event.motion.xrel)+abs(event.motion.yrel)>=2){
	//Check if this is the start of the dragging.
	if(!dragging){
	//The mouse is moved enough so let's set dragging true.
	dragging=true;
	//Get the current mouse location.
	int x,y;
	SDL_GetMouseState(&x,&y);
	//We call the dragStart event.
	// NOTE: We start drag from previous mouse position to prevent resize area hit test bug
	onDragStart(x - event.motion.xrel + camera.x, y - event.motion.yrel + camera.y);
	onDrag(event.motion.xrel, event.motion.yrel);
	} else {
	//Dragging was already true meaning we call onDrag() instead of onDragStart().
	onDrag(event.motion.xrel,event.motion.yrel);
	}
	}
	}

	//Update cursor.
	if(dragging){
	if (tool == REMOVE) {
	currentCursor = CURSOR_REMOVE;
	} else {
	switch (selectionDrag) {
	case 0: case 8:
	currentCursor = CURSOR_SIZE_FDIAG;
	break;
	case 1: case 7:
	currentCursor = CURSOR_SIZE_VER;
	break;
	case 2: case 6:
	currentCursor = CURSOR_SIZE_BDIAG;
	break;
	case 3: case 5:
	currentCursor = CURSOR_SIZE_HOR;
	break;
	case 4:
	currentCursor = CURSOR_DRAG;
	break;
	default:
	currentCursor = CURSOR_POINTER;
	break;
	}
	}
	}

	//Get the current mouse location.
	int x,y;
	SDL_GetMouseState(&x,&y);
	//Create the rectangle.
	SDL_Rect mouse={x,y,0,0};

	//Check if we scroll up, meaning the currentType++;
	if((event.type==SDL_MOUSEWHEEL && event.wheel.y > 0) \|\| inputMgr.isKeyDownEvent(INPUTMGR_NEXT)){
	switch(tool){
	case ADD:
	//Check if mouse is in tool box.
	if(toolboxVisible && toolboxRect.w>0){
	int x,y;
	SDL_GetMouseState(&x,&y);
	if(y<64){
	const int m = getEditorOrderMax() - (SCREEN_WIDTH - 48) / 64;
	toolboxIndex -= 2;
	if (toolboxIndex>m) toolboxIndex = m;
	if (toolboxIndex<0) toolboxIndex = 0;
	break;
	}
	}
	//Only change the current type when using the add tool.
	currentType++;
	if (currentType >= getEditorOrderMax()){
	currentType=0;
	}
	break;
	case SELECT:
	//When configuring moving blocks.
	if(moving){
	if (pauseMode) {
	//Here we have to use Ctrl because Shift means snap
	pauseTime += (SDL_GetModState() & KMOD_CTRL) ? 10 : 1;
	} else {
	//Here we have to use Ctrl because Shift means snap
	movingSpeed += (SDL_GetModState() & KMOD_CTRL) ? 10 : 1;
	//The movingspeed is capped at 125 (10 block/s).
	if (movingSpeed > 125){
	movingSpeed = 125;
	}
	}
	break;
	}
	//Fall through.
	default:
	//When in other mode, just scrolling the map
	if(pressedShift)
	camera.x-=200;
	else camera.y-=200;
	break;
	}
	}
	//Check if we scroll down, meaning the currentType--;
	if((event.type==SDL_MOUSEWHEEL && event.wheel.y < 0) \|\| inputMgr.isKeyDownEvent(INPUTMGR_PREVIOUS)){
	switch(tool){
	case ADD:
	//Check if mouse is in tool box.
	if(toolboxVisible && toolboxRect.w>0){
	int x,y;
	SDL_GetMouseState(&x,&y);
	if(y<64){
	const int m = getEditorOrderMax() - (SCREEN_WIDTH - 48) / 64;
	toolboxIndex+=2;
	if(toolboxIndex>m) toolboxIndex=m;
	if(toolboxIndex<0) toolboxIndex=0;
	break;
	}
	}
	//Only change the current type when using the add tool.
	currentType--;
	if(currentType<0){
	currentType = getEditorOrderMax() - 1;
	}
	break;
	case SELECT:
	//When configuring moving blocks.
	if(moving){
	if (pauseMode) {
	//Here we have to use Ctrl because Shift means snap
	pauseTime -= (SDL_GetModState() & KMOD_CTRL) ? 10 : 1;
	if (pauseTime < -1){
	pauseTime = -1;
	}
	} else {
	//Here we have to use Ctrl because Shift means snap
	movingSpeed -= (SDL_GetModState() & KMOD_CTRL) ? 10 : 1;
	if (movingSpeed <= 0){
	movingSpeed = 1;
	}
	}
	break;
	}
	//Fall through.
	default:
	//When in other mode, just scrolling the map
	if(pressedShift) camera.x+=200;
	else camera.y+=200;
	break;
	}
	}

	if (event.type == SDL_KEYDOWN) {
	bool unlink = false;

	//Check if we should enter playMode.
	if (event.key.keysym.sym == SDLK_F5){
	enterPlayMode();
	}
	//Check for tool shortcuts.
	if (event.key.keysym.sym == SDLK_F2){
	tool = SELECT;
	}
	if (event.key.keysym.sym == SDLK_F3){
	tool = ADD;
	unlink = true;
	}
	if (event.key.keysym.sym == SDLK_F4){
	tool = REMOVE;
	unlink = true;
	}

	//Stop linking or moving if the mode is not SELECT.
	if (unlink) {
	if (linking) {
	linking = false;
	linkingTrigger = NULL;
	}
	if (moving) {
	moving = false;
	movingBlock = NULL;
	}
	}
	}

	//Check for certain events.

	//First make sure the mouse isn't above the toolbar.
	if(!checkCollision(mouse,toolbarRect) && !checkCollision(mouse,toolboxRect)){
	mouse.x+=camera.x;
	mouse.y+=camera.y;

	//Boolean if there's a click event fired.
	bool clickEvent=false;
	//Check if a mouse button is pressed.
	if(event.type==SDL_MOUSEBUTTONDOWN){
	std::vector<GameObject*> clickObjects;

	//Loop through the objects to check collision.
	if (selectedLayer.empty()) {
	if (layerVisibility[selectedLayer]) {
	for (unsigned int o = 0; o<levelObjects.size(); o++){
	if (checkCollision(levelObjects[o]->getBox(), mouse) == true){
	clickObjects.push_back(levelObjects[o]);
	}
	}
	}
	} else {
	auto it = sceneryLayers.find(selectedLayer);
	if (it != sceneryLayers.end() && layerVisibility[selectedLayer]) {
	for (auto o : it->second->objects){
	if (checkCollision(o->getBox(), mouse) == true){
	clickObjects.push_back(o);
	}
	}
	}
	}

	//Check if there are multiple objects above eachother or just one.
	if(clickObjects.size()==1){
	//We have collision meaning that the mouse is above an object.
	std::vector<GameObject*>::iterator it;
	it=find(selection.begin(),selection.end(),clickObjects[0]);

	//Set event true since there's a click event.
	clickEvent=true;

	//Check if the clicked object is in the selection or not.
	bool isSelected=(it!=selection.end());
	if(event.button.button==SDL_BUTTON_LEFT){
	onClickObject(clickObjects[0],isSelected);
	}else if(event.button.button==SDL_BUTTON_RIGHT){
	onRightClickObject(imageManager,renderer,clickObjects[0],isSelected);
	}
	}else if(clickObjects.size()>=1){
	//There are more than one object under the mouse
	//SDL2 port (never managed to trigger this without changing the parameters.
	std::vector<GameObject*>::iterator it;
	it=find(selection.begin(),selection.end(),clickObjects[0]);

	//Set event true since there's a click event.
	clickEvent=true;

	//Check if the clicked object is in the selection or not.
	bool isSelected=(it!=selection.end());

	//Only show the selection popup when right clicking.
	if(event.button.button==SDL_BUTTON_LEFT){
	onClickObject(clickObjects[0],isSelected);
	}else if(event.button.button==SDL_BUTTON_RIGHT){
	//Remove the selection popup if there's one.
	if(selectionPopup!=NULL)
	delete selectionPopup;

	//Get the mouse location.
	int x,y;
	SDL_GetMouseState(&x,&y);
	selectionPopup=new LevelEditorSelectionPopup(this,imageManager,renderer,clickObjects,x,y);
	}
	}
	}

	//If event is false then we clicked on void.
	if(!clickEvent){
	if(event.type==SDL_MOUSEBUTTONDOWN){
	if(event.button.button==SDL_BUTTON_LEFT){
	//Left mouse button on void.
	onClickVoid(mouse.x,mouse.y);
	}else if(event.button.button==SDL_BUTTON_RIGHT /&& tool==SELECT/){
	//Stop linking.
	if(linking){
	linking=false;
	linkingTrigger=NULL;
	//NOTE: We shouldn't be able to be linking AND moving so return to prevent actions popup.
	return;
	}

	//Stop moving.
	if(moving){
	moving=false;
	movingBlock=NULL;
	return;
	}

	//No return so far so call onRightClickVoid.
	onRightClickVoid(imageManager,renderer,mouse.x,mouse.y);
	}
	}
	}
	}

	//Check for backspace when moving to remove a movingposition.
	if(moving && event.type==SDL_KEYDOWN && event.key.keysym.sym==SDLK_BACKSPACE){
	if(movingBlocks[movingBlock].size()>0){
	commandManager->doCommand(new AddRemovePathCommand(this, movingBlock, MovingPosition(0, 0, 0), false));
	}
	}

	//Check for the tab key, level settings.
	if(inputMgr.isKeyDownEvent(INPUTMGR_TAB)){
	//Show the levelSettings.
	levelSettings(imageManager,renderer);
	}

	//Check if we should save the level (Ctrl+s).
	if(event.type==SDL_KEYDOWN && event.key.keysym.sym==SDLK_s && (event.key.keysym.mod & KMOD_CTRL)){
	saveCurrentLevel(imageManager, renderer);
	}

	//Undo ctrl+z
	if (event.type == SDL_KEYDOWN && event.key.keysym.sym == SDLK_z && (event.key.keysym.mod & KMOD_CTRL)){
	undo();
	}

	//Redo ctrl+y
	if (event.type == SDL_KEYDOWN && event.key.keysym.sym == SDLK_y && (event.key.keysym.mod & KMOD_CTRL)){
	redo();
	}
	}
	}

	void LevelEditor::saveCurrentLevel(ImageManager& imageManager, SDL_Renderer& renderer) {
	saveLevel(levelFile);

	//Clear the dirty flag
	commandManager->resetChange();

	//And give feedback to the user.
	if (levelName.empty())
	msgBox(imageManager, renderer, tfm::format(_("Level \"%s\" saved"), fileNameFromPath(levelFile)), MsgBoxOKOnly, _("Saved"));
	else
	msgBox(imageManager, renderer, tfm::format(_("Level \"%s\" saved"), levelName), MsgBoxOKOnly, _("Saved"));
	}

	void LevelEditor::enterPlayMode(){
	//Check if we are already in play mode.
	if(playMode) return;

	//Stop linking or moving.
	if(linking){
	linking=false;
	linkingTrigger=NULL;
	}

	if(moving){
	moving=false;
	movingBlock=NULL;
	}

	//We need to reposition player and shadow here, since the related code is removed from object placement.
	for (auto obj : levelObjects) {
	//If the object is a player or shadow start then change the start position of the player or shadow.
	if (obj->type == TYPE_START_PLAYER){
	//Center the player horizontally.
	player.fx = obj->getBox().x + (obj->getBox().w - player.getBox().w) / 2;
	player.fy = obj->getBox().y;
	}
	if (obj->type == TYPE_START_SHADOW){
	//Center the shadow horizontally.
	shadow.fx = obj->getBox().x + (obj->getBox().w - shadow.getBox().w) / 2;
	shadow.fy = obj->getBox().y;
	}
	}

	//Change mode.
	playMode=true;
	GUIObjectRoot->visible=false;
	cameraSave.x=camera.x;
	cameraSave.y=camera.y;

	//Restart the game with scripting enabled.
	Game::reset(true, false);
	}

	void LevelEditor::undo(){
	commandManager->undo();
	}

	void LevelEditor::redo(){
	commandManager->redo();
	}

	void LevelEditor::levelSettings(ImageManager& imageManager,SDL_Renderer& renderer){
	//It isn't so open a popup asking for a name.
	GUIWindow* root=new GUIWindow(imageManager,renderer,(SCREEN_WIDTH-600)/2,(SCREEN_HEIGHT-450)/2,600,450,true,true,_("Level settings"));
	root->name="lvlSettingsWindow";
	root->eventCallback=this;
	GUIObject* obj;

	//Create the two textboxes with a label.
	obj=new GUILabel(imageManager,renderer,40,60,240,36,_("Name:"));
	root->addChild(obj);
	obj=new GUITextBox(imageManager,renderer,140,60,410,36,levelName.c_str());
	obj->name="name";
	root->addChild(obj);

	obj = new GUILabel(imageManager, renderer, 40, 110, 240, 36, (std::string("* ") + _("Theme:")).c_str());
	root->addChild(obj);
	obj=new GUITextBox(imageManager,renderer,140,110,410,36,levelTheme.c_str());
	obj->name="theme";
	root->addChild(obj);

	obj = new GUILabel(imageManager, renderer, 40, 150, 510, 36, _("Examples: %DATA%/themes/classic"));
	root->addChild(obj);
	obj = new GUILabel(imageManager, renderer, 40, 174, 510, 36, _("or %USER%/themes/Orange"));
	root->addChild(obj);

	obj = new GUILabel(imageManager, renderer, 40, 210, 240, 36, _("Music:"));
	root->addChild(obj);
	obj = new GUITextBox(imageManager, renderer, 140, 210, 410, 36, levelMusic.c_str());
	obj->name = "music";
	root->addChild(obj);

	//target time and recordings.
	{
	obj=new GUILabel(imageManager,renderer,40,260,240,36,_("Target time (s):"));
	root->addChild(obj);
	GUISpinBox* obj2=new GUISpinBox(imageManager,renderer,290,260,260,36);
	obj2->name="time";

	ostringstream ss;
	ss << levelTime/40.0f;
	obj2->caption=ss.str();

	obj2->limitMin=0.0f;
	obj2->format = "%g";
	obj2->change=0.1f;
	obj2->update();
	root->addChild(obj2);

	obj=new GUILabel(imageManager,renderer,40,310,240,36,_("Target recordings:"));
	root->addChild(obj);
	obj2=new GUISpinBox(imageManager,renderer,290,310,260,36);

	ostringstream ss2;
	ss2 << levelRecordings;
	obj2->caption=ss2.str();

	obj2->limitMin=0.0f;
	obj2->format="%1.0f";
	obj2->name="recordings";
	obj2->update();
	root->addChild(obj2);
	}

	obj = new GUILabel(imageManager, renderer, 40, 350, 510, 36, (std::string("* ") + _("Restart level editor is required")).c_str());
	root->addChild(obj);

	//Ok and cancel buttons.
	obj=new GUIButton(imageManager,renderer,root->width*0.3,450-44,-1,36,_("OK"),0,true,true,GUIGravityCenter);
	obj->name="lvlSettingsOK";
	obj->eventCallback=root;
	root->addChild(obj);
	obj=new GUIButton(imageManager,renderer,root->width*0.7,450-44,-1,36,_("Cancel"),0,true,true,GUIGravityCenter);
	obj->name="lvlSettingsCancel";
	obj->eventCallback=root;
	root->addChild(obj);

	GUIObjectRoot->addChild(root);
	}

	void LevelEditor::postLoad(){
	//We need to find the triggers.
	for(unsigned int o=0;o<levelObjects.size();o++){
	//Check for the highest id.
	unsigned int id=atoi(levelObjects[o]->getEditorProperty("id").c_str());
	if(id>=currentId)
	currentId=id+1;

	switch(levelObjects[o]->type){
	case TYPE_BUTTON:
	case TYPE_SWITCH:
	{
	//Add the object to the triggers vector.
	vector<GameObject*> linked;
	triggers[levelObjects[o]]=linked;
	//Now loop through the levelObjects in search for objects with the same id.
	for(unsigned int oo=0;oo<levelObjects.size();oo++){
	//Check if it isn't the same object but has the same id.
	if(o!=oo && (dynamic_cast<Block>(levelObjects[o]))->id==(dynamic_cast<Block>(levelObjects[oo]))->id){
	//Add the object to the link vector of the trigger.
	triggers[levelObjects[o]].push_back(levelObjects[oo]);
	}
	}
	break;
	}
	case TYPE_PORTAL:
	{
	//Add the object to the triggers vector.
	vector<GameObject*> linked;
	triggers[levelObjects[o]]=linked;

	//If the destination is empty we return.
	if((dynamic_cast<Block*>(levelObjects[o]))->destination.empty()){
	break;
	}

	//Now loop through the levelObjects in search for objects with the same id as destination.
	for(unsigned int oo=0;oo<levelObjects.size();oo++){
	//Check if it isn't the same object but has the same id.
	if(o!=oo && (dynamic_cast<Block>(levelObjects[o]))->destination==(dynamic_cast<Block>(levelObjects[oo]))->id){
	//Add the object to the link vector of the trigger.
	triggers[levelObjects[o]].push_back(levelObjects[oo]);
	}
	}
	break;
	}
	case TYPE_MOVING_BLOCK:
	case TYPE_MOVING_SHADOW_BLOCK:
	case TYPE_MOVING_SPIKES:
	{
	//Get the moving position.
	const vector<SDL_Rect> &movingPos = levelObjects[o]->movingPos;

	//Add the object to the movingBlocks vector.
	movingBlocks[levelObjects[o]].clear();

	for (int i = 0, m = movingPos.size(); i < m; i++) {
	MovingPosition position(movingPos[i].x, movingPos[i].y, movingPos[i].w);
	movingBlocks[levelObjects[o]].push_back(position);
	}

	break;
	}
	default:
	break;
	}
	}

	// Set the visibility of all layers to true
	layerVisibility.clear();
	for (auto it = sceneryLayers.begin(); it != sceneryLayers.end(); ++it) {
	layerVisibility[it->first] = true;
	}
	layerVisibility[std::string()] = true;

	// Also set the current layer to the Block layer
	selectedLayer.clear();

	// Get all available scenery blocks
	std::set<std::string> tmpset;
	objThemes.getSceneryBlockNames(tmpset);
	sceneryBlockNames.clear();
	sceneryBlockNames.insert(sceneryBlockNames.end(), tmpset.begin(), tmpset.end());
	}

	void LevelEditor::snapToGrid(int* x,int* y){
	//Check if the x location is negative.
	if(*x<0){
	x=-((abs(x-50)/50)*50);
	}else{
	x=(x/50)*50;
	}

	//Now the y location.
	if(*y<0){
	y=-((abs(y-50)/50)*50);
	}else{
	y=(y/50)*50;
	}
	}

	void LevelEditor::setCamera(const SDL_Rect* r,int count){
	//SetCamera only works in the Level editor and when mouse is inside window.
	if(stateID==STATE_LEVEL_EDITOR&&(SDL_GetMouseFocus() == sdlWindow)){
	//Get the mouse coordinates.
	int x,y;
	SDL_GetMouseState(&x,&y);
	SDL_Rect mouse={x,y,0,0};

	//Don't continue here if mouse is inside one of the boxes given as parameter.
	for(int i=0;i<count;i++){
	if(checkCollision(mouse,r[i]))
	return;
	}

	//Check if the mouse is near the left edge of the screen.
	//Else check if the mouse is near the right edge.
	if(x<50){
	//We're near the left edge so move the camera.
	camera.x-=5;
	}else if(x>SCREEN_WIDTH-50){
	//We're near the right edge so move the camera.
	camera.x+=5;
	}

	//Check if the tool box is visible and we need to calc screen size correctly.
	int y0=50;
	if(toolboxVisible && toolboxRect.w>0) y0+=64;

	//Check if the mouse is near the top edge of the screen.
	//Else check if the mouse is near the bottom edge.
	if(y<y0){
	//We're near the top edge so move the camera.
	camera.y-=5;
	}else if(y>SCREEN_HEIGHT-50){
	//We're near the bottom edge so move the camera.
	camera.y+=5;
	}
	}
	}

	void LevelEditor::onClickObject(GameObject* obj,bool selected){
	switch(tool){
	case SELECT:
	{
	//Check if we are linking.
	if(linking){
	//Check if the obj is valid to link to.
	switch(obj->type){
	case TYPE_CONVEYOR_BELT:
	case TYPE_SHADOW_CONVEYOR_BELT:
	case TYPE_MOVING_BLOCK:
	case TYPE_MOVING_SHADOW_BLOCK:
	case TYPE_MOVING_SPIKES:
	{
	//It's only valid when not linking a portal.
	if(linkingTrigger->type==TYPE_PORTAL){
	//You can't link a portal to moving blocks, etc.
	//Stop linking and return.
	linkingTrigger=NULL;
	linking=false;
	return;
	}
	break;
	}
	case TYPE_PORTAL:
	{
	//Make sure that the linkingTrigger is also a portal.
	if(linkingTrigger->type!=TYPE_PORTAL){
	//The linkingTrigger isn't a portal so stop linking and return.
	linkingTrigger=NULL;
	linking=false;
	return;
	}
	break;
	}
	default:
	//It isn't valid so stop linking and return.
	linkingTrigger=NULL;
	linking=false;
	return;
	break;
	}

	AddLinkCommand* pCommand = new AddLinkCommand(this, linkingTrigger, obj);
	commandManager->doCommand(pCommand);

	//We return to prevent configuring stuff like conveyor belts, etc...
	linking=false;
	linkingTrigger=NULL;
	return;
	}

	//If we're moving add a movingposition.
	if(moving){
	//Get the current mouse location.
	int x, y;
	SDL_GetMouseState(&x, &y);
	x += camera.x;
	y += camera.y;

	addMovingPosition(x, y);
	return;
	}
	}
	case ADD:
	{
	//Check if object is already selected.
	if(!selected){
	//First check if shift is pressed or not.
	if(!pressedShift){
	//Clear the selection.
	deselectAll();
	}

	//Add the object to the selection.
	selection.push_back(obj);
	}
	break;
	}
	case REMOVE:
	{
	//Remove the object.
	commandManager->doCommand(new AddRemoveGameObjectCommand(this, obj, false));
	break;
	}
	default:
	break;
	}
	}

	void LevelEditor::addMovingPosition(int x,int y) {
	//Apply snap to grid.
	if (!pressedShift){
	snapToGrid(&x, &y);
	} else{
	x -= 25;
	y -= 25;
	}

	x -= movingBlock->getBox().x;
	y -= movingBlock->getBox().y;

	//Calculate the length.
	//First get the delta x and y.
	int dx, dy;
	if (movingBlocks[movingBlock].empty()){
	dx = x;
	dy = y;
	} else{
	dx = x - movingBlocks[movingBlock].back().x;
	dy = y - movingBlocks[movingBlock].back().y;
	}

	AddRemovePathCommand* pCommand = NULL;

	if (dx == 0 && dy == 0) {
	// pause mode
	if (pauseTime != 0) pCommand = new AddRemovePathCommand(this, movingBlock, MovingPosition(x, y, std::max(pauseTime, 0)), true);
	pauseTime = 0;
	} else {
	// add new point mode
	const double length = sqrt(double(dxdx + dydy));
	pCommand = new AddRemovePathCommand(this, movingBlock, MovingPosition(x, y, (int)(length*(10 / (double)movingSpeed))), true);
	}
	if (pCommand) commandManager->doCommand(pCommand);
	}

	void LevelEditor::onRightClickObject(ImageManager& imageManager,SDL_Renderer& renderer,GameObject* obj,bool){
	//Create an actions popup for the game object.
	if(actionsPopup==NULL){
	//Get the mouse location.
	int x,y;
	SDL_GetMouseState(&x,&y);
	actionsPopup=new LevelEditorActionsPopup(imageManager,renderer,this,obj,x,y);
	return;
	}
	}

	void LevelEditor::onClickVoid(int x,int y){
	switch(tool){
	case ADD:
	{
	//We need to clear the selection.
	deselectAll();

	//Now place an object.
	//Apply snap to grid.
	if(!pressedShift){
	snapToGrid(&x,&y);
	}else{
	x-=25;
	y-=25;
	}
	if (currentType >= 0 && currentType < getEditorOrderMax()) {
	GameObject *obj;
	if (selectedLayer.empty()) {
	obj = new Block(this, x, y, 50, 50, editorTileOrder[currentType]);
	} else {
	obj = new Scenery(this, x, y, 50, 50,
	currentType < (int)sceneryBlockNames.size() ? sceneryBlockNames[currentType] : std::string());
	}
	commandManager->doCommand(new AddRemoveGameObjectCommand(this, obj, true));
	}
	break;
	}
	case SELECT:
	{
	//We need to clear the selection.
	deselectAll();

	//If we're linking we should stop, user abort.
	if(linking){
	linking=false;
	linkingTrigger=NULL;
	//And return.
	return;
	}

	//If we're moving we should add a point.
	if(moving){
	addMovingPosition(x, y);

	//And return.
	return;
	}
	break;
	}
	default:
	break;
	}
	}

	void LevelEditor::onRightClickVoid(ImageManager& imageManager,SDL_Renderer& renderer,int,int){
	//Create an actions popup for the game object.
	if(actionsPopup==NULL){
	//Get the mouse location.
	int x,y;
	SDL_GetMouseState(&x,&y);
	actionsPopup=new LevelEditorActionsPopup(imageManager,renderer,this,NULL,x,y);
	return;
	}
	}

	void LevelEditor::onDragStart(int x,int y){
	switch(tool){
	case SELECT:
	case ADD:
	{
	//We can drag the selection so check if the selection isn't empty.
	if(!selection.empty()){
	//The selection isn't empty so search the dragCenter.
	//Create a mouse rectangle.
	SDL_Rect mouse={x,y,0,0};

	// record the drag start position
	dragSrartPosition.x = x;
	dragSrartPosition.y = y;

	//Loop through the objects to check collision.
	for(unsigned int o=0; o<selection.size(); o++){
	SDL_Rect r = selection[o]->getBox();
	if(checkCollision(r,mouse)){
	//We have collision so set the dragCenter.
	dragCenter=selection[o];

	// determine which part is dragged
	selectionDrag = 4;
	int midx = r.x + r.w / 2 - 2;
	int midy = r.y + r.h / 2 - 2;
	if (mouse.x >= r.x && mouse.x < r.x + 5) {
	if (mouse.y >= r.y && mouse.y < r.y + 5) {
	selectionDrag = 0;
	} else if (mouse.y >= midy && mouse.y < midy + 5) {
	selectionDrag = 3;
	} else if (mouse.y >= r.y + r.h - 5 && mouse.y < r.y + r.h) {
	selectionDrag = 6;
	}
	} else if (mouse.x >= midx && mouse.x < midx + 5) {
	if (mouse.y >= r.y && mouse.y < r.y + 5) {
	selectionDrag = 1;
	} else if (mouse.y >= r.y + r.h - 5 && mouse.y < r.y + r.h) {
	selectionDrag = 7;
	}
	} else if (mouse.x >= r.x + r.w - 5 && mouse.x < r.x + r.w) {
	if (mouse.y >= r.y && mouse.y < r.y + 5) {
	selectionDrag = 2;
	} else if (mouse.y >= midy && mouse.y < midy + 5) {
	selectionDrag = 5;
	} else if (mouse.y >= r.y + r.h - 5 && mouse.y < r.y + r.h) {
	selectionDrag = 8;
	}
	}

	break;
	}
	}
	}
	break;
	}
	default:
	break;
	}
	}

	void LevelEditor::onDrag(int dx,int dy){
	switch(tool){
	case REMOVE:
	{
	//No matter what we delete the item the mouse is above.
	//Get the current mouse location.
	int x,y;
	SDL_GetMouseState(&x,&y);
	//Create the rectangle.
	SDL_Rect mouse={x+camera.x,y+camera.y,0,0};

	currentCursor=CURSOR_REMOVE;

	std::vector<GameObject*> objects;

	//Loop through the objects to check collision.
	if (selectedLayer.empty()) {
	if (layerVisibility[selectedLayer]) {
	for (unsigned int o = 0; o<levelObjects.size(); o++){
	if (checkCollision(levelObjects[o]->getBox(), mouse) == true){
	objects.push_back(levelObjects[o]);
	}
	}
	}
	} else {
	auto it = sceneryLayers.find(selectedLayer);
	if (it != sceneryLayers.end() && layerVisibility[selectedLayer]) {
	for (auto o : it->second->objects){
	if (checkCollision(o->getBox(), mouse) == true){
	objects.push_back(o);
	}
	}
	}
	}

	// Do the actual object deletion.
	if (!objects.empty()) {
	commandManager->doCommand(new AddRemoveGameObjectCommand(this, objects, false));
	}

	break;
	}
	default:
	break;
	}
	}

	void LevelEditor::onDrop(int x,int y){
	switch(tool){
	case SELECT:
	case ADD:
	{
	//Check if the drag center isn't null.
	if(dragCenter==NULL)
	return;
	//The location of the dragCenter.
	SDL_Rect r=dragCenter->getBox();

	if (selectionDrag == 4) { // dragging
	//Apply snap to grid.
	determineNewPosition(x, y);

	commandManager->doCommand(new MoveGameObjectCommand(this, selection, x - r.x, y - r.y));
	} else if (selectionDrag >= 0) { // resizing
	determineNewSize(x, y, r);

	commandManager->doCommand(new MoveGameObjectCommand(this, dragCenter, r.x, r.y, r.w, r.h));
	}

	//Make sure the dragCenter is null and set selectionDrag false.
	dragCenter=NULL;
	selectionDrag=-1;
	break;
	}
	default:
	break;
	}
	}

	void LevelEditor::onCameraMove(int dx,int dy){
	switch(tool){
	case REMOVE:
	{
	//Only delete when the left mouse button is pressed.
	if(pressedLeftMouse){
	//Get the current mouse location.
	int x,y;
	SDL_GetMouseState(&x,&y);
	//Create the rectangle.
	SDL_Rect mouse={x+camera.x,y+camera.y,0,0};

	std::vector<GameObject*> objects;

	//Loop through the objects to check collision.
	if (selectedLayer.empty()) {
	if (layerVisibility[selectedLayer]) {
	for (unsigned int o = 0; o<levelObjects.size(); o++){
	if (checkCollision(levelObjects[o]->getBox(), mouse) == true){
	objects.push_back(levelObjects[o]);
	}
	}
	}
	} else {
	auto it = sceneryLayers.find(selectedLayer);
	if (it != sceneryLayers.end() && layerVisibility[selectedLayer]) {
	for (auto o : it->second->objects){
	if (checkCollision(o->getBox(), mouse) == true){
	objects.push_back(o);
	}
	}
	}
	}

	// Do the actual object deletion.
	if (!objects.empty()) {
	commandManager->doCommand(new AddRemoveGameObjectCommand(this, objects, false));
	}
	}
	break;
	}
	default:
	break;
	}
	}

	void LevelEditor::selectionDirty() {
	if (selectionPopup != NULL) selectionPopup->dirty = true;
	}

	void LevelEditor::GUIEventCallback_OnEvent(ImageManager& imageManager, SDL_Renderer& renderer, std::string name,GUIObject* obj,int eventType){
	//Check if one of the windows is closed.
	if (eventType == GUIEventClick && name.size() >= 6 && name.substr(name.size() - 6) == "Window") {
	destroyWindow(obj);
	return;
	}
	//TODO: Add resize code for each GUIWindow.
	if (name.size() >= 6 && name.substr(name.size() - 6) == "Window") {
	return;
	}

	//Check for GUI events.
	//Notification block configure events.
	if(name=="cfgNotificationBlockOK"){
	//Get the configuredObject.
	GameObject* configuredObject=objectWindows[obj];
	if(configuredObject){
	//Get the message textbox from the GUIWindow.
	GUITextArea* message=(GUITextArea*)obj->getChild("message");

	if(message){
	//Set the message of the notification block.
	commandManager->doCommand(new SetEditorPropertyCommand(this, imageManager, renderer,
	configuredObject, "message", message->getString(), _("Message")));
	}
	}
	}
	//Conveyor belt block configure events.
	else if(name=="cfgConveyorBlockOK"){
	//Get the configuredObject.
	GameObject* configuredObject=objectWindows[obj];
	if(configuredObject){
	//Get the speed textbox from the GUIWindow.
	GUISpinBox* speed=(GUISpinBox*)obj->getChild("speed");

	if(speed){
	//Set the speed of the conveyor belt.
	commandManager->doCommand(new SetEditorPropertyCommand(this, imageManager, renderer,
	configuredObject, "speed10", speed->caption, _("Speed")));
	}
	}
	}
	//LevelSetting events.
	else if(name=="lvlSettingsOK"){
	SetLevelPropertyCommand::LevelProperty prop;

	prop.levelTime = -1;
	prop.levelRecordings = -1;

	GUIObject* object=obj->getChild("name");
	if(object)
	prop.levelName=object->caption;
	object=obj->getChild("theme");
	if(object)
	prop.levelTheme=object->caption;
	object = obj->getChild("music");
	if (object)
	prop.levelMusic = object->caption;

	//target time and recordings.
	GUISpinBox* object2=(GUISpinBox*)obj->getChild("time");
	if(object2){
	float number=atof(object2->caption.c_str());
	if(number<=0){
	prop.levelTime=-1;
	}else{
	prop.levelTime=int(floor(number*40.0f+0.5f));
	}
	}

	object2=(GUISpinBox*)obj->getChild("recordings");
	if(object){
	int number=atoi(object2->caption.c_str());
	if(number<=0){
	prop.levelRecordings=-1;
	}else{
	prop.levelRecordings=number;
	}
	}

	// Perform the level setting modification
	commandManager->doCommand(new SetLevelPropertyCommand(this, prop));
	}
	//Level scripting window events.
	else if(name=="cfgLevelScriptingEventType"){
	//Get the script textbox from the GUIWindow.
	GUISingleLineListBox* list=(GUISingleLineListBox*)obj->getChild("cfgLevelScriptingEventType");

	if(list){
	//Loop through the scripts.
	for(unsigned int i=0;i<list->item.size();i++){
	GUIObject* script=obj->getChild(list->item[i].first);
	if(script){
	script->visible=(script->name==list->item[list->value].first);
	script->enabled=(script->name==list->item[list->value].first);
	}
	}
	}
	return;
	}
	else if(name=="cfgLevelScriptingOK"){
	//Get the script textbox from the GUIWindow.
	GUISingleLineListBox* list=(GUISingleLineListBox*)obj->getChild("cfgLevelScriptingEventType");

	if(list){
	std::map<int, std::string> newScript;

	//Loop through the scripts.
	for(unsigned int i=0;i<list->item.size();i++){
	//Get the GUITextArea.
	GUITextArea* script=dynamic_cast<GUITextArea*>(obj->getChild(list->item[i].first));
	if(script){
	//Set the script for the target block.
	string str=script->getString();
	if(!str.empty())
	newScript[levelEventNameMap[script->name]]=str;
	}
	}

	// Check achievement
	if (!newScript.empty()) {
	statsMgr.newAchievement("helloworld");
	}

	// Do the actual changes
	commandManager->doCommand(new SetScriptCommand(this, NULL, newScript));
	}
	}
	//Scripting window events.
	else if (name == "cfgScriptingEventType"){
	//TODO: Save any unsaved scripts? (Or keep track of all scripts and save upon cfgScriptingOK?)
	//Get the configuredObject.
	Block* configuredObject=dynamic_cast<Block*>(objectWindows[obj]);
	if(configuredObject){
	//Get the script textbox from the GUIWindow.
	GUISingleLineListBox* list=dynamic_cast<GUISingleLineListBox*>(obj->getChild("cfgScriptingEventType"));

	if(list){
	//Loop through the scripts.
	for(unsigned int i=0;i<list->item.size();i++){
	GUIObject* script=obj->getChild(list->item[i].first);
	if(script){
	script->visible=script->enabled=(script->name==list->item[list->value].first);
	}
	}
	}
	}
	return;
	}
	else if(name=="cfgScriptingOK"){
	//Get the configuredObject.
	Block* block = dynamic_cast<Block*>(objectWindows[obj]);
	if (block){
	std::map<int, std::string> newScript;
	std::string newId;

	//Get the script textbox from the GUIWindow.
	GUISingleLineListBox* list=(GUISingleLineListBox*)obj->getChild("cfgScriptingEventType");
	GUIObject* id=obj->getChild("id");

	if (list){
	//Loop through the scripts.
	for (unsigned int i = 0; i < list->item.size(); i++){
	//Get the GUITextArea.
	GUITextArea* script = dynamic_cast<GUITextArea*>(obj->getChild(list->item[i].first));
	if (script){
	//Set the script for the target block.
	string str = script->getString();
	if (!str.empty())
	newScript[gameObjectEventNameMap[script->name]] = str;
	}
	}
	}
	newId = block->id;
	if (id){
	newId = id->caption;
	}

	// Check achievement
	if (!newScript.empty()) {
	statsMgr.newAchievement("helloworld");
	}

	// now do the actual changes
	commandManager->doCommand(new SetScriptCommand(this, block, newScript, newId));
	}
	}
	else if (name == "cfgAddLayerOK") {
	GUIObject* object = obj->getChild("layerName");
	if (!object) return;
	if (object->caption.empty()) {
	msgBox(imageManager, renderer, _("Please enter a layer name."), MsgBoxOKOnly, _("Error"));
	return;
	}
	if (sceneryLayers.find(object->caption) != sceneryLayers.end()) {
	msgBox(imageManager, renderer, tfm::format(_("The layer '%s' already exists."), object->caption), MsgBoxOKOnly, _("Error"));
	return;
	}

	// do the actual operation
	commandManager->doCommand(new AddRemoveLayerCommand(this, object->caption, true));
	}
	else if (name == "cfgLayerSettingsOK") {
	SetLayerPropertyCommand::LayerProperty prop;

	GUIObject* object = obj->getChild("layerName");
	if (!object) return;
	prop.name = object->caption;

	object = obj->getChild("speedX");
	if (!object) return;
	prop.speedX = atof(object->caption.c_str());

	object = obj->getChild("speedY");
	if (!object) return;
	prop.speedY = atof(object->caption.c_str());

	object = obj->getChild("cameraX");
	if (!object) return;
	prop.cameraX = atof(object->caption.c_str());

	object = obj->getChild("cameraY");
	if (!object) return;
	prop.cameraY = atof(object->caption.c_str());

	object = obj->getChild("oldName");
	if (!object) return;
	const std::string& oldName = object->caption;

	if (prop.name.empty()) {
	msgBox(imageManager, renderer, _("Please enter a layer name."), MsgBoxOKOnly, _("Error"));
	return;
	}
	if (prop.name != oldName && sceneryLayers.find(prop.name) != sceneryLayers.end()) {
	msgBox(imageManager, renderer, tfm::format(_("The layer '%s' already exists."), prop.name), MsgBoxOKOnly, _("Error"));
	return;
	}

	// do the actual operation
	commandManager->doCommand(new SetLayerPropertyCommand(this, oldName, prop));
	}
	else if (name == "cfgMoveToLayerOK") {
	GUIObject* object = obj->getChild("layerName");
	if (!object) return;
	const std::string& layerName = object->caption;

	object = obj->getChild("oldName");
	if (!object) return;
	const std::string& oldName = object->caption;

	if (layerName.empty()) {
	msgBox(imageManager, renderer, _("Please enter a layer name."), MsgBoxOKOnly, _("Error"));
	return;
	}
	if (oldName == layerName) {
	msgBox(imageManager, renderer, _("Source and destination layers are the same."), MsgBoxOKOnly, _("Error"));
	return;
	}

	// do the actual operation
	commandManager->doCommand(new MoveToLayerCommand(this, selection, oldName, layerName));
	}
	else if (name == "cfgCustomSceneryOK") {
	//Get the configuredObject.
	Scenery* configuredObject = dynamic_cast<Scenery*>(objectWindows[obj]);
	if (configuredObject){
	//Get the custom scenery from the GUIWindow.
	GUITextArea* txt = (GUITextArea*)obj->getChild("cfgCustomScenery");

	if (txt){
	//Set the custom scenery.
	commandManager->doCommand(new SetEditorPropertyCommand(this, imageManager, renderer,
	configuredObject, "customScenery", txt->getString(), _("Scenery")));
	}
	}
	}
	else if (name == "lstAppearance") {
	//Get the configuredObject.
	Block block = dynamic_cast<Block>(objectWindows[obj]);
	GUIListBox list = dynamic_cast<GUIListBox>(obj->getChild("lstAppearance"));
	GUIImage image = dynamic_cast<GUIImage>(obj->getChild("imgAppearance"));
	if (block && list && image) {
	//Reset the image first.
	image->setImage(NULL);
	image->setClipRect(SDL_Rect{ 0, 0, 0, 0 });

	//Get the appearance name.
	std::string appearanceName;
	if (list->value <= 0) {
	//Do nothing since the selected is the default appearance.
	} else if (list->value <= (int)sceneryBlockNames.size()) {
	//A custom appearance is selected.
	appearanceName = sceneryBlockNames[list->value - 1];
	} else {
	//The configured object has an invalid custom appearance name.
	appearanceName = block->customAppearanceName;
	}

	//Try to find the theme block.
	ThemeBlock *themeBlock = NULL;
	if (!appearanceName.empty()) {
	themeBlock = objThemes.getScenery(appearanceName);
	}
	if (themeBlock == NULL) {
	themeBlock = objThemes.getBlock(block->type);
	}
	if (themeBlock) {
	image->setImage(themeBlock->editorPicture.texture);
	const auto& offsetData = themeBlock->editorPicture.offset.offsetData;
	if (offsetData.size() > 0) {
	const auto& r = offsetData[0];
	image->setClipRect(SDL_Rect{ r.x, r.y, r.w, r.h });
	}
	}
	}
	return;
	}
	else if (name == "cfgAppearanceOK") {
	//Get the configuredObject.
	Block block = dynamic_cast<Block>(objectWindows[obj]);
	GUIListBox list = dynamic_cast<GUIListBox>(obj->getChild("lstAppearance"));
	if (block && list) {
	//Get the appearance name.
	std::string appearanceName;
	if (list->value <= 0) {
	//Do nothing since the selected is the default appearance.
	} else if (list->value <= (int)sceneryBlockNames.size()) {
	//A custom appearance is selected.
	appearanceName = sceneryBlockNames[list->value - 1];
	} else {
	//The configured object has an invalid custom appearance name.
	appearanceName = block->customAppearanceName;
	}

	//Update the block property if it's changed.
	if (appearanceName != block->customAppearanceName) {
	commandManager->doCommand(new SetEditorPropertyCommand(this, imageManager, renderer,
	block, "appearance", appearanceName, _("Appearance")));
	}
	}
	}

	//NOTE: We assume every event came from a window
	//and the event is either window closed event or OK/Cancel button click event, so we remove it.
	destroyWindow(obj);
	}

	void LevelEditor::destroyWindow(GUIObject* window){
	//Make sure the given pointer isn't null.
	if(!window)
	return;

	//Remove the window from the GUIObject root.
	if(GUIObjectRoot){
	vector<GUIObject*>::iterator it;
	it=find(GUIObjectRoot->childControls.begin(),GUIObjectRoot->childControls.end(),window);
	if(it!=GUIObjectRoot->childControls.end()){
	GUIObjectRoot->childControls.erase(it);
	}
	}

	//Also remove the window from the objectWindows map.
	map<GUIObject,GameObject>::iterator it;
	it=objectWindows.find(window);
	if(it!=objectWindows.end()){
	objectWindows.erase(it);
	}

	//And delete the GUIWindow.
	delete window;
	}

	////////////////LOGIC////////////////////
	void LevelEditor::logic(ImageManager& imageManager, SDL_Renderer& renderer){
	if(playMode){
	//PlayMode so let the game do it's logic.
	Game::logic(imageManager,renderer);
	}else{
	//Update animation even under edit mode. (There are checks in Block::move() which don't do game logic in edit mode.)
	for (unsigned int i = 0; i<levelObjects.size(); i++){
	//Let the gameobject handle movement.
	levelObjects[i]->move();
	}

	//Also update the scenery.
	for (auto it = sceneryLayers.begin(); it != sceneryLayers.end(); ++it){
	it->second->updateAnimation();
	}

	//In case of a selection or actions popup prevent the camera from moving.
	if(selectionPopup \|\| actionsPopup)
	return;

	//Move the camera.
	if(cameraXvel!=0 \|\| cameraYvel!=0){
	camera.x+=cameraXvel;
	camera.y+=cameraYvel;
	//Call the onCameraMove event.
	onCameraMove(cameraXvel,cameraYvel);
	}

	//Move the camera with the mouse.
	//Get the mouse location.
	int x,y;
	SDL_GetMouseState(&x,&y);
	SDL_Rect mouse={x,y,0,0};
	{
	//Check if the mouse isn't above a GUIObject (window).
	bool inside=false;
	for(unsigned int i=0;i<GUIObjectRoot->childControls.size();i++){
	SDL_Rect box={0,0,0,0};
	box.x=GUIObjectRoot->childControls[i]->left;
	box.y=GUIObjectRoot->childControls[i]->top;
	box.w=GUIObjectRoot->childControls[i]->width;
	box.h=GUIObjectRoot->childControls[i]->height;
	if(checkCollision(mouse,box))
	inside=true;
	}

	if(!inside){
	SDL_Rect r[3]={toolbarRect,toolboxRect};
	int m=2;
	//TODO: Also call onCameraMove when moving using the mouse.
	setCamera(r,m);
	}
	}

	//It isn't playMode so the mouse should be checked.
	tooltip=-1;

	//We loop through the number of tools + the number of buttons.
	for (int t = 0; t <= (int)ToolTips::BackToMenu; t++){
	SDL_Rect toolRect={(SCREEN_WIDTH-460)/2+(t40)+((t+1)10),SCREEN_HEIGHT-45,40,40};

	//Check for collision.
	if(checkCollision(mouse,toolRect)==true){
	//Set the tooltip tool.
	tooltip=t;
	}
	}
	}
	}

	/////////////////RENDER//////////////////////
	void LevelEditor::render(ImageManager& imageManager,SDL_Renderer& renderer){
	//Let the game render the game when it is the play mode.
	if (playMode) {
	Game::render(imageManager, renderer);
	} else {
	// The following code are partially copied from Game::render()

	//First of all render the background.
	{
	//Get a pointer to the background.
	ThemeBackground* bg = background;

	//Check if the background is null, but there are themes.
	if (bg == NULL && objThemes.themeCount()>0){
	//Get the background from the first theme in the stack.
	bg = objThemes[0]->getBackground(false);
	}

	//Check if the background isn't null.
	if (bg){
	//It isn't so draw it.
	bg->draw(renderer);

	//And if it's the loaded background then also update the animation.
	//FIXME: Updating the animation in the render method?
	if (bg == background)
	bg->updateAnimation();
	} else{
	//There's no background so fill the screen with white.
	SDL_SetRenderDrawColor(&renderer, 255, 255, 255, 255);
	SDL_RenderClear(&renderer);
	}
	}

	//Now draw the background layers.
	auto it = sceneryLayers.begin();
	for (; it != sceneryLayers.end(); ++it){
	if (it->first >= "f") break; // now we meet a foreground layer
	if (layerVisibility[it->first]) {
	it->second->show(renderer);
	}
	}

	//Now we draw the levelObjects.
	if (layerVisibility[std::string()]) {
	for (unsigned int o = 0; o < levelObjects.size(); o++){
	levelObjects[o]->show(renderer);
	}
	}

	//We don't draw the player and the shadow at all.

	//Now draw the foreground layers.
	for (; it != sceneryLayers.end(); ++it){
	if (layerVisibility[it->first]) {
	it->second->show(renderer);
	}
	}
	}

	//Only render extra stuff like the toolbar, selection, etc.. when not in playMode.
	if(!playMode){
	//Get the current mouse location.
	int x, y;
	SDL_GetMouseState(&x, &y);
	//Create the rectangle.
	SDL_Rect mouse = { x + camera.x, y + camera.y, 0, 0 };

	//Render the selectionmarks.
	//TODO: Check if block is in sight.
	for(unsigned int o=0; o<selection.size(); o++){
	//Get the location to draw.
	SDL_Rect r=selection[o]->getBox();

	// Change the mouse cursor if necessary
	if (selectionDrag < 0 && tool != REMOVE) {
	int midx = r.x + r.w / 2 - 2;
	int midy = r.y + r.h / 2 - 2;
	if (mouse.x >= r.x && mouse.x < r.x + 5) {
	if (mouse.y >= r.y && mouse.y < r.y + 5) {
	currentCursor = CURSOR_SIZE_FDIAG;
	} else if (mouse.y >= midy && mouse.y < midy + 5) {
	currentCursor = CURSOR_SIZE_HOR;
	} else if (mouse.y >= r.y + r.h - 5 && mouse.y < r.y + r.h) {
	currentCursor = CURSOR_SIZE_BDIAG;
	}
	} else if (mouse.x >= midx && mouse.x < midx + 5) {
	if (mouse.y >= r.y && mouse.y < r.y + 5) {
	currentCursor = CURSOR_SIZE_VER;
	} else if (mouse.y >= r.y + r.h - 5 && mouse.y < r.y + r.h) {
	currentCursor = CURSOR_SIZE_VER;
	}
	} else if (mouse.x >= r.x + r.w - 5 && mouse.x < r.x + r.w) {
	if (mouse.y >= r.y && mouse.y < r.y + 5) {
	currentCursor = CURSOR_SIZE_BDIAG;
	} else if (mouse.y >= midy && mouse.y < midy + 5) {
	currentCursor = CURSOR_SIZE_HOR;
	} else if (mouse.y >= r.y + r.h - 5 && mouse.y < r.y + r.h) {
	currentCursor = CURSOR_SIZE_FDIAG;
	}
	}
	}

	bool mouseIn = checkCollision(r, mouse);

	r.x-=camera.x;
	r.y-=camera.y;

	drawGUIBox(r.x,r.y,r.w,r.h,renderer,0xFFFFFF33);

	//Draw the selectionMarks.
	applyTexture(r.x,r.y,selectionMark,renderer);
	applyTexture(r.x+r.w-5,r.y,selectionMark,renderer);
	applyTexture(r.x,r.y+r.h-5,selectionMark,renderer);
	applyTexture(r.x+r.w-5,r.y+r.h-5,selectionMark,renderer);

	// draw additional selection marks
	if (mouseIn && selectionDrag < 0 && tool != REMOVE) {
	applyTexture(r.x + r.w / 2 - 2, r.y, selectionMark, renderer);
	applyTexture(r.x + r.w / 2 - 2, r.y + r.h - 5, selectionMark, renderer);
	applyTexture(r.x, r.y + r.h / 2 - 2, selectionMark, renderer);
	applyTexture(r.x + r.w - 5, r.y + r.h / 2 - 2, selectionMark, renderer);
	}
	}

	//Set the color for the borders.
	{
	SDL_Color c = objThemes.getTextColor(false);
	SDL_SetRenderDrawColor(&renderer, c.r, c.g, c.b, 115);
	}

	int leftWidth=0;
	int rightWidth=0;

	//Draw the dark areas marking the outside of the level.
	SDL_Rect r{0,0,0,0};
	if(camera.x<0){
	//Draw left side.
	r.x=0;
	r.y=0;
	r.w=0-camera.x;
	leftWidth=r.w;
	r.h=SCREEN_HEIGHT;
	SDL_RenderFillRect(&renderer, &r);
	}
	if(camera.y<0){
	//Draw the top.
	r.x=leftWidth;
	r.y=0;
	r.w=SCREEN_WIDTH;
	r.h=0-camera.y;
	SDL_RenderFillRect(&renderer, &r);
	} else {
	r.h=0;
	}
	if(camera.x>LEVEL_WIDTH-SCREEN_WIDTH){
	//Draw right side.
	r.x=LEVEL_WIDTH-camera.x;
	r.y=std::max(r.y+r.h,0);
	r.w=SCREEN_WIDTH-(LEVEL_WIDTH-camera.x);
	rightWidth=r.w;
	r.h=SCREEN_HEIGHT;
	SDL_RenderFillRect(&renderer, &r);
	}
	if(camera.y>LEVEL_HEIGHT-SCREEN_HEIGHT){
	//Draw the bottom.
	r.x=leftWidth;
	r.y=LEVEL_HEIGHT-camera.y;
	r.w=SCREEN_WIDTH-rightWidth-leftWidth;
	r.h=SCREEN_HEIGHT-(LEVEL_HEIGHT-camera.y);
	SDL_RenderFillRect(&renderer, &r);
	}

	//Check if we should draw on stuff.
	showConfigure(renderer);
	if (selectionDrag >= 0 && tool != REMOVE) {
	showSelectionDrag(renderer);
	}

	//Find a block where the mouse is hovering on.
	bool isMouseOnSomething = false;
	if (selectedLayer.empty()){
	if (layerVisibility[selectedLayer]) {
	// Current layer is Blocks layer
	for (unsigned int o = 0; o<levelObjects.size(); o++){
	SDL_Rect rect = levelObjects[o]->getBox();
	if (checkCollision(rect, mouse) == true){
	isMouseOnSomething = true;
	if (tool == REMOVE){
	drawGUIBox(rect.x - camera.x, rect.y - camera.y, rect.w, rect.h, renderer, 0xFF000055);
	currentCursor = CURSOR_REMOVE;
	} else{
	drawGUIBox(rect.x - camera.x, rect.y - camera.y, rect.w, rect.h, renderer, 0xFFFFFF33);
	}
	}
	}
	}
	} else {
	auto it = sceneryLayers.find(selectedLayer);
	if (it != sceneryLayers.end() && layerVisibility[selectedLayer]) {
	// Current layer is scenery layer
	for (auto o : it->second->objects){
	SDL_Rect rect = o->getBox();
	if (checkCollision(rect, mouse) == true){
	isMouseOnSomething = true;
	if (tool == REMOVE){
	drawGUIBox(rect.x - camera.x, rect.y - camera.y, rect.w, rect.h, renderer, 0xFF000055);
	currentCursor = CURSOR_REMOVE;
	} else{
	drawGUIBox(rect.x - camera.x, rect.y - camera.y, rect.w, rect.h, renderer, 0xFFFFFF33);
	}
	}
	}
	}
	}

	// show current object only when mouse is not hover on any blocks
	if (!isMouseOnSomething && tool == ADD && selectionDrag < 0) {
	showCurrentObject(renderer);
	}

	//Draw the level borders.
	drawRect(-camera.x,-camera.y,LEVEL_WIDTH,LEVEL_HEIGHT,renderer);

	//Render the hud layer.
	renderHUD(renderer);

	//Render selection popup (if any).
	if(selectionPopup!=NULL){
	if(linking \|\| moving){
	//If we switch to linking mode then delete it
	//FIXME: Logic in the render method.
	delete selectionPopup;
	selectionPopup=NULL;
	}else{
	selectionPopup->render(imageManager,renderer);
	}
	}

	//Render actions popup (if any).
	if(actionsPopup!=NULL){
	actionsPopup->render(renderer);
	}
	}
	}

	void LevelEditor::renderHUD(SDL_Renderer& renderer){
	//If moving show the moving speed in the top right corner.
	if(moving){
	//Calculate width of text "Movespeed: 125" to keep the same position with every value
	if (movingSpeedWidth == -1){
	int w;
	TTF_SizeUTF8(fontText, tfm::format(_("Speed: %d = %0.2f block/s"), 125, 10.0f).c_str(), &w, NULL);
	movingSpeedWidth = w + 4;
	}

	SDL_Texture *tex = NULL;

	//Check which text should we use.
	if (pauseMode) {
	//Update the text if necessary.
	if (pauseTimeTexture.needsUpdate(pauseTime)) {
	if (pauseTime < 0) {
	pauseTimeTexture.update(pauseTime,
	textureFromText(renderer, *fontText,
	_("Stop at this point"),
	objThemes.getTextColor(true)));
	} else {
	pauseTimeTexture.update(pauseTime,
	textureFromText(renderer, *fontText,
	tfm::format(_("Pause: %d = %0.3fs"), pauseTime, float(pauseTime)*0.025f).c_str(),
	objThemes.getTextColor(true)));
	}
	}
	tex = pauseTimeTexture.get();
	} else {
	//Update the text if necessary.
	if (movementSpeedTexture.needsUpdate(movingSpeed)) {
	movementSpeedTexture.update(movingSpeed,
	textureFromText(renderer, *fontText,
	tfm::format(_("Speed: %d = %0.2f block/s"), movingSpeed, float(movingSpeed)*0.08f).c_str(),
	objThemes.getTextColor(true)));
	}
	tex = movementSpeedTexture.get();
	}

	//Draw the text in the box.
	drawGUIBox(SCREEN_WIDTH-movingSpeedWidth-2,-2,movingSpeedWidth+8,
	textureHeight(*tex)+6,renderer,0xFFFFFFFF);
	applyTexture(SCREEN_WIDTH-movingSpeedWidth,2,*tex,renderer,NULL);
	}

	//On top of all render the toolbar.
	drawGUIBox(toolbarRect.x,toolbarRect.y,9*50+10,52,renderer,0xEDEDEDFF);
	//Draw the first four options.
	SDL_Rect srcRect={0,0,200,50};
	SDL_Rect dstRect={toolbarRect.x+5, toolbarRect.y, srcRect.w, srcRect.h};
	SDL_RenderCopy(&renderer, toolbar.get(), &srcRect, &dstRect);

	//Draw the undo/redo button.
	SDL_SetTextureAlphaMod(toolbar.get(), commandManager->canUndo() ? 255 : 128);
	srcRect.x = 200;
	srcRect.w = 50;
	dstRect.x = toolbarRect.x + 205;
	dstRect.w = srcRect.w;
	SDL_RenderCopy(&renderer, toolbar.get(), &srcRect, &dstRect);
	SDL_SetTextureAlphaMod(toolbar.get(), commandManager->canRedo() ? 255 : 128);
	srcRect.x = 250;
	srcRect.w = 50;
	dstRect.x = toolbarRect.x + 255;
	dstRect.w = srcRect.w;
	SDL_RenderCopy(&renderer, toolbar.get(), &srcRect, &dstRect);
	SDL_SetTextureAlphaMod(toolbar.get(), 255);

	//And the last three.
	srcRect.x=300;
	srcRect.w=150;
	dstRect.x=toolbarRect.x+305;
	dstRect.w=srcRect.w;
	SDL_RenderCopy(&renderer, toolbar.get(), &srcRect, &dstRect);

	//Now render a tooltip.
	if(tooltip>=0 && static_cast<std::size_t>(tooltip)<tooltipTextures.size()) {
	SDL_Texture *tex = tooltipTextures.at(tooltip).get();

	if (tooltip == (int)ToolTips::UndoNoTooltip) {
	std::string s = commandManager->describeUndo();
	if (undoTooltipTexture.needsUpdate(s)) {
	undoTooltipTexture.update(s, textureFromText(renderer, *fontText, s.c_str(), objThemes.getTextColor(true)));
	}
	tex = undoTooltipTexture.get();
	} else if (tooltip == (int)ToolTips::RedoNoTooltip) {
	std::string s = commandManager->describeRedo();
	if (redoTooltipTexture.needsUpdate(s)) {
	redoTooltipTexture.update(s, textureFromText(renderer, *fontText, s.c_str(), objThemes.getTextColor(true)));
	}
	tex = redoTooltipTexture.get();
	}

	if(tex) {
	const SDL_Rect texSize = rectFromTexture(*tex);
	SDL_Rect r={(SCREEN_WIDTH-440)/2+(tooltip40)+(tooltip10),SCREEN_HEIGHT-45,40,40};
	r.y=SCREEN_HEIGHT-50-texSize.h;
	if(r.x+texSize.w>SCREEN_WIDTH-50)
	r.x=SCREEN_WIDTH-50-texSize.w;

	//Draw borders around text
	Uint32 color=0xFFFFFF00\|230;
	drawGUIBox(r.x-2,r.y-2,texSize.w+4,texSize.h+4,renderer,color);
	applyTexture(r.x, r.y, *tex, renderer);
	}
	}

	// for toolbox button animation (0-31)
	static int tick = 8;

	const int mmm = getEditorOrderMax();
	if (currentType >= mmm)currentType = mmm - 1;
	if (currentType < 0) currentType = 0;

	//Render the tool box.
	if(!playMode && !moving && tool==ADD && selectionPopup==NULL && actionsPopup==NULL && objectWindows.empty()){
	// get mouse position
	int x, y;
	SDL_GetMouseState(&x, &y);

	if (toolboxVisible){
	toolboxRect.x=0;
	toolboxRect.y=0;
	toolboxRect.w=SCREEN_WIDTH;
	toolboxRect.h=64;

	drawGUIBox(-2,-2,SCREEN_WIDTH+4,66,renderer,0xFFFFFF00\|230);

	bool isMouseOnSomething = false;

	//Draw the hide icon.
	SDL_Rect r={SCREEN_WIDTH-20,2,16,16};
	SDL_Rect r2={80,0,r.w,r.h};
	if (x >= SCREEN_WIDTH - 24 && x < SCREEN_WIDTH && y < 20) {
	isMouseOnSomething = true;
	tick = (tick + 1) & 31;
	r.y -= (tick < 16) ? (tick / 4 - 2) : (6 - tick / 4);
	}
	SDL_RenderCopy(&renderer, bmGUI.get(), &r2, &r);

	//Calculate the maximal number of blocks can be displayed.
	const int m=(SCREEN_WIDTH-48)/64;
	if(toolboxIndex>=mmm-m){
	toolboxIndex = mmm - m;
	}else{
	//Draw an icon.
	r.x=SCREEN_WIDTH-20;
	r.y=24;
	r2.x=96;
	r2.y=16;
	if (x >= SCREEN_WIDTH - 24 && x < SCREEN_WIDTH && y >= 20 && y < 44) {
	isMouseOnSomething = true;
	tick = (tick + 1) & 31;
	r.x += (tick < 16) ? (tick / 4 - 2) : (6 - tick / 4);
	}
	SDL_RenderCopy(&renderer, bmGUI.get(),&r2,&r);
	}
	if(toolboxIndex<=0){
	toolboxIndex=0;
	}else{
	//Draw an icon.
	r.x=4;
	r.y=24;
	r2.x=80;
	r2.y=16;
	if (x >= 0 && x < 24 && y >= 20 && y < 44) {
	isMouseOnSomething = true;
	tick = (tick + 1) & 31;
	r.x -= (tick < 16) ? (tick / 4 - 2) : (6 - tick / 4);
	}
	SDL_RenderCopy(&renderer, bmGUI.get(), &r2, &r);
	}

	// reset animation timer if there is no animation
	if (!isMouseOnSomething) {
	tick = 8;
	}

	//Draw available blocks.
	for(int i=0;i<m;i++){
	if (i + toolboxIndex >= mmm) break;

	//Draw a rectangle around the current tool.
	if(i+toolboxIndex==currentType){
	drawGUIBox(i*64+24,3,64,58,renderer,0xDDDDDDFF);
	}

	if (selectedLayer.empty()) {
	// show normal blocks
	ThemeBlock* obj = objThemes.getBlock(editorTileOrder[i + toolboxIndex]);
	if (obj){
	obj->editorPicture.draw(renderer, i * 64 + 24 + 7, 7);
	}
	} else {
	// show scenery blocks
	if (i + toolboxIndex < (int)sceneryBlockNames.size()) {
	ThemeBlock* obj = objThemes.getScenery(sceneryBlockNames[i + toolboxIndex]);
	if (obj){
	obj->editorPicture.draw(renderer, i * 64 + 24 + 7, 7);
	}
	} else {
	// it's custom scenery block
	// just draw a stupid icon
	const SDL_Rect r = { 48, 16, 16, 16 };
	const SDL_Rect dstRect = { i * 64 + 24 + 7, 7, 16, 16 };
	SDL_RenderCopy(&renderer, bmGUI.get(), &r, &dstRect);
	}
	}
	}

	//Draw a tool tip.
	if(y<64 && x>=24 && x<24+m*64){
	int i=(x-24)/64;
	if (i + toolboxIndex < getEditorOrderMax()){
	TexturePtr& tip = (!selectedLayer.empty())
	? getCachedTextTexture(renderer, (i + toolboxIndex < (int)sceneryBlockNames.size())
	? describeSceneryName(sceneryBlockNames[i + toolboxIndex]).c_str() : _("Custom scenery block"))
	: typeTextTextures.at(editorTileOrder[i + toolboxIndex]);

	const SDL_Rect tipSize = rectFromTexture(*tip);

	SDL_Rect r = { 24 + i * 64, 64, 40, 40 };
	if (r.x + tipSize.w>SCREEN_WIDTH - 50)
	r.x = SCREEN_WIDTH - 50 - tipSize.w;

	//Draw borders around text
	Uint32 color = 0xFFFFFF00 \| 230;
	drawGUIBox(r.x - 2, r.y - 2, tipSize.w + 4, tipSize.h + 4, renderer, color);

	//Draw tooltip's text
	applyTexture(r.x, r.y, tip, renderer);
	}
	}
	}else{
	const SDL_Rect tbtSize = rectFromTexture(*toolboxText);

	toolboxRect.x=SCREEN_WIDTH-tbtSize.w-28;
	toolboxRect.y=0;
	toolboxRect.w=tbtSize.w+28;
	toolboxRect.h=tbtSize.h+4;

	SDL_Rect r={SCREEN_WIDTH-tbtSize.w-24,2,16,16};
	drawGUIBox(r.x-4,-2,tbtSize.w+32,tbtSize.h+6,renderer,0xFFFFFFFF);

	//Draw "Toolbox" text.
	applyTexture(r.x, r.y, toolboxText, renderer);

	const SDL_Rect r2={96,0,16,16};
	r.x=SCREEN_WIDTH-20;
	r.w=r2.w;
	r.h=r2.h;

	// check if mouse is hovering on
	if (x >= toolboxRect.x && x < toolboxRect.x + toolboxRect.w && y >= toolboxRect.y && y < toolboxRect.y + toolboxRect.h) {
	tick = (tick + 1) & 31;
	r.y += (tick < 16) ? (tick / 4 - 2) : (6 - tick / 4);
	} else {
	tick = 8;
	}

	//Draw arrow.
	SDL_RenderCopy(&renderer, bmGUI.get(),&r2,&r);
	}
	}else{
	toolboxRect.x=-1;
	toolboxRect.y=-1;
	toolboxRect.w=0;
	toolboxRect.h=0;
	}

	//Draw a rectangle around the current tool.
	Uint32 color=0xFFFFFF00;
	drawGUIBox((SCREEN_WIDTH-440)/2+(tool40)+(tool10),SCREEN_HEIGHT-46,42,42,renderer,color);
	}

	void LevelEditor::showCurrentObject(SDL_Renderer& renderer){
	//Get the current mouse location.
	int x,y;
	SDL_GetMouseState(&x,&y);
	x+=camera.x;
	y+=camera.y;

	//Check if we should snap the block to grid or not.
	if(!pressedShift){
	snapToGrid(&x,&y);
	}else{
	x-=25;
	y-=25;
	}

	//Check if the currentType is a legal type.
	if(currentType>=0 && currentType<getEditorOrderMax()){
	if (selectedLayer.empty()) {
	// show normal blocks
	ThemeBlock* obj = objThemes.getBlock(editorTileOrder[currentType]);
	if (obj){
	obj->editorPicture.draw(renderer, x - camera.x, y - camera.y);
	}
	} else {
	// show scenery blocks
	if (currentType < (int)sceneryBlockNames.size()) {
	ThemeBlock* obj = objThemes.getScenery(sceneryBlockNames[currentType]);
	if (obj){
	obj->editorPicture.draw(renderer, x - camera.x, y - camera.y);
	}
	} else {
	// it's custom scenery block
	// just draw a stupid icon
	const SDL_Rect r = { 48, 16, 16, 16 };
	const SDL_Rect dstRect = { x - camera.x, y - camera.y, 16, 16 };
	SDL_RenderCopy(&renderer, bmGUI.get(), &r, &dstRect);
	}
	}
	}
	}

	void LevelEditor::determineNewPosition(int& x, int& y) {
	if (dragCenter) {
	SDL_Rect r = dragCenter->getBox();
	x -= dragSrartPosition.x - r.x;
	y -= dragSrartPosition.y - r.y;
	} else {
	x -= 25;
	y -= 25;
	}

	// Check if we should snap the block to grid or not.
	if (!pressedShift) {
	x = int(floor(x/50.0f + 0.5f)) * 50;
	y = int(floor(y/50.0f + 0.5f)) * 50;
	}
	}

	void LevelEditor::determineNewSize(int x, int y, SDL_Rect& r) {
	switch (selectionDrag % 3) {
	case 0:
	if (x > r.x + r.w - 15) x = r.x + r.w - 15;
	if (!pressedShift) {
	x = int(floor(x/50.0f + 0.5f)) * 50;
	while (x > r.x + r.w - 15) x -= 50;
	}
	r.w += r.x - x;
	r.x = x;
	break;
	case 2:
	if (x < r.x + 15) x = r.x + 15;
	if (!pressedShift) {
	x = int(floor(x/50.0f + 0.5f)) * 50;
	while (x < r.x + 15) x += 50;
	}
	r.w = x - r.x;
	break;
	}
	switch (selectionDrag / 3) {
	case 0:
	if (y > r.y + r.h - 15) y = r.y + r.h - 15;
	if (!pressedShift) {
	y = int(floor(y/50.0f + 0.5f)) * 50;
	while (y > r.y + r.h - 15) y -= 50;
	}
	r.h += r.y - y;
	r.y = y;
	break;
	case 2:
	if (y < r.y + 15) y = r.y + 15;
	if (!pressedShift) {
	y = int(floor(y/50.0f + 0.5f)) * 50;
	while (y < r.y + 15) y += 50;
	}
	r.h = y - r.y;
	break;
	}
	}

	void LevelEditor::showSelectionDrag(SDL_Renderer& renderer){
	//Check if the drag center isn't null.
	if (dragCenter == NULL) return;

	//Get the current mouse location.
	int x,y;
	SDL_GetMouseState(&x,&y);

	//Create the rectangle.
	x+=camera.x;
	y+=camera.y;

	//The location of the dragCenter.
	SDL_Rect r = dragCenter->getBox();

	if (selectionDrag == 4) { // dragging
	// Check if we should snap the block to grid or not.
	determineNewPosition(x, y);

	//Loop through the selection.
	//TODO: Check if block is in sight.
	for (unsigned int o = 0; o < selection.size(); o++){
	// FIXME: ad-hoc code which moves blocks temporarily, draw, and moves them back
	const SDL_Rect r1 = selection[o]->getBox();

	selection[o]->setBaseLocation((r1.x - r.x) + x, (r1.y - r.y) + y);
	selection[o]->show(renderer);
	selection[o]->setBaseLocation(r1.x, r1.y);
	}
	} else if (selectionDrag >= 0) { // resizing
	// Check if we should snap the block to grid or not.
	determineNewSize(x, y, r);

	drawGUIBox(r.x - camera.x, r.y - camera.y, r.w, r.h, renderer, 0xFFFFFF33);
	}
	}

	void LevelEditor::showConfigure(SDL_Renderer& renderer){
	//arrow animation value. go through 0-65535 and loops.
	static unsigned short arrowAnimation=0;
	arrowAnimation++;

	// skip if the Blocks layer is invisinble
	if (!layerVisibility[std::string()]) return;

	//Use theme color for arrows.
	Uint32 color;
	{
	SDL_Color c = objThemes.getTextColor(false);
	color = (Uint32(c.r) << 24) \| (Uint32(c.g) << 16) \| (Uint32(c.b) << 8) \| 0xff;
	}

	//Draw the trigger lines.
	{
	map<Block,vector<GameObject> >::iterator it;
	for(it=triggers.begin();it!=triggers.end();++it){
	//Check if the trigger has linked targets.
	if(!(*it).second.empty()){
	//The location of the trigger.
	SDL_Rect r=(*it).first->getBox();

	//Loop through the targets.
	for(unsigned int o=0;o<(*it).second.size();o++){
	//Get the location of the target.
	SDL_Rect r1=(*it).second[o]->getBox();

	//Draw the line from the center of the trigger to the center of the target.
	drawLineWithArrow(r.x-camera.x+25,r.y-camera.y+25,r1.x-camera.x+25,r1.y-camera.y+25,renderer,color,32,arrowAnimation%32);

	//Also draw two selection marks.
	applyTexture(r.x-camera.x+25-2,r.y-camera.y+25-2,selectionMark,renderer);
	applyTexture(r1.x-camera.x+25-2,r1.y-camera.y+25-2,selectionMark,renderer);
	}
	}
	}

	//Draw a line to the mouse from the linkingTrigger when linking.
	if(linking){
	//Get the current mouse location.
	int x,y;
	SDL_GetMouseState(&x,&y);

	//Draw the line from the center of the trigger to mouse.
	drawLineWithArrow(linkingTrigger->getBox().x-camera.x+25,linkingTrigger->getBox().y-camera.y+25,x,y,renderer,color,32,arrowAnimation%32);
	}
	}

	//Draw the moving positions.
	map<Block*,vector<MovingPosition> >::iterator it;
	for(it=movingBlocks.begin();it!=movingBlocks.end();++it){
	//Check if the block has positions.
	if(!(*it).second.empty()){
	//The location of the moving block.
	SDL_Rect block=(*it).first->getBox();
	block.x+=25-camera.x;
	block.y+=25-camera.y;

	//The location of the previous position.
	//The first time it's the moving block's position self.
	SDL_Rect r=block;

	//Loop through the positions.
	for(unsigned int o=0;o<(*it).second.size();o++){
	//Draw the line from the center of the previous position to the center of the position.
	//x and y are the coordinates for the current moving position.
	int x=block.x+(*it).second[o].x;
	int y=block.y+(*it).second[o].y;

	//Check if we need to draw line
	double dx=r.x-x;
	double dy=r.y-y;
	double d=sqrt(dxdx+dydy);
	if(d>0.001f){
	if(it->second[o].time>0){
	//Calculate offset to contain the moving speed.
	int offset=int(d*arrowAnimation/it->second[o].time)%32;
	drawLineWithArrow(r.x,r.y,x,y,renderer,color,32,offset);
	}else{
	//time==0 ???? so don't draw arrow at all
	drawLine(r.x,r.y,x,y,renderer);
	}
	} else {
	// distance==0 which means pause mode
	// FIXME: it's ugly
	SDL_Texture *tex;
	if (it->second[o].time) {
	tex = getCachedTextTexture(renderer, tfm::format("%0.3fs", float(it->second[o].time)*0.025f)).get();
	} else {
	tex = getCachedTextTexture(renderer, _("Stop")).get();
	}
	applyTexture(x - textureWidth(tex) / 2, y + 5, tex, renderer);
	}

	//And draw a marker at the end.
	applyTexture(x-13,y-13,movingMark,renderer);

	//Get the box of the previous position.
	SDL_Rect tmp={x,y,0,0};
	r=tmp;
	}
	}
	}

	//Draw a line to the mouse from the previous moving pos.
	if(moving){
	//Get the current mouse location.
	int x,y;
	SDL_GetMouseState(&x,&y);

	//Check if we should snap the block to grid or not.
	if(!pressedShift){
	x+=camera.x;
	y+=camera.y;
	snapToGrid(&x,&y);
	x-=camera.x;
	y-=camera.y;
	}else{
	x-=25;
	y-=25;
	}

	int posX,posY;

	//Check if there are moving positions for the moving block.
	if(!movingBlocks[movingBlock].empty()){
	//Draw the line from the center of the previouse moving positions to mouse.
	posX=movingBlocks[movingBlock].back().x;
	posY=movingBlocks[movingBlock].back().y;

	posX-=camera.x;
	posY-=camera.y;

	posX+=movingBlock->getBox().x;
	posY+=movingBlock->getBox().y;
	}else{
	//Draw the line from the center of the movingblock to mouse.
	posX=movingBlock->getBox().x-camera.x;
	posY=movingBlock->getBox().y-camera.y;
	}

	//Check if the current point is the same as the previous point
	if (posX == x && posY == y) {
	pauseMode = true;
	} else {
	pauseMode = false;

	//Calculate offset to contain the moving speed.
	int offset = int(double(arrowAnimation)*movingSpeed / 10.0) % 32;

	//Draw the line.
	drawLineWithArrow(posX + 25, posY + 25, x + 25, y + 25, renderer, color, 32, offset);
	}

	//Draw a marker.
	applyTexture(x+12,y+12,movingMark,renderer);
	}

	}

	void LevelEditor::resize(ImageManager &imageManager, SDL_Renderer &renderer){
	//Call the resize method of the Game.
	Game::resize(imageManager, renderer);

	//Move the toolbar's position rect used for collision.
	toolbarRect.x=(SCREEN_WIDTH-460)/2;
	toolbarRect.y=SCREEN_HEIGHT-50;
	}

	//Filling the order array
	const int LevelEditor::editorTileOrder[EDITOR_ORDER_MAX]={
	TYPE_BLOCK,
	TYPE_SHADOW_BLOCK,
	TYPE_SPIKES,
	TYPE_FRAGILE,
	TYPE_MOVING_BLOCK,
	TYPE_MOVING_SHADOW_BLOCK,
	TYPE_MOVING_SPIKES,
	TYPE_CONVEYOR_BELT,
	TYPE_SHADOW_CONVEYOR_BELT,
	TYPE_BUTTON,
	TYPE_SWITCH,
	TYPE_PORTAL,
	TYPE_SWAP,
	TYPE_CHECKPOINT,
	TYPE_NOTIFICATION_BLOCK,
	TYPE_START_PLAYER,
	TYPE_START_SHADOW,
	TYPE_EXIT,
	TYPE_COLLECTABLE,
	TYPE_PUSHABLE
	};

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