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diff --git a/src/Functions.cpp b/src/Functions.cpp
index 3f185f0..424a914 100644
--- a/src/Functions.cpp
+++ b/src/Functions.cpp
@@ -1,1793 +1,1841 @@
/*
* 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 <stdio.h>
#include <math.h>
#include <locale.h>
#include <algorithm>
#include <SDL.h>
#include <SDL_mixer.h>
#include <SDL_syswm.h>
#include <SDL_ttf.h>
#include <string>
#include "Globals.h"
#include "Functions.h"
#include "FileManager.h"
#include "GameObjects.h"
#include "LevelPack.h"
#include "TitleMenu.h"
#include "OptionsMenu.h"
#include "CreditsMenu.h"
#include "LevelEditSelect.h"
#include "LevelEditor.h"
#include "Game.h"
#include "LevelPlaySelect.h"
#include "Addons.h"
#include "InputManager.h"
#include "ImageManager.h"
#include "MusicManager.h"
#include "SoundManager.h"
#include "ScriptExecutor.h"
#include "LevelPackManager.h"
#include "ThemeManager.h"
#include "GUIListBox.h"
#include "GUIOverlay.h"
#include "StatisticsManager.h"
#include "StatisticsScreen.h"
#include "Cursors.h"
#include "ScriptAPI.h"
#include "libs/tinyformat/tinyformat.h"
#include "libs/tinygettext/tinygettext.hpp"
#include "libs/tinygettext/log.hpp"
#include "libs/findlocale/findlocale.h"
using namespace std;
#ifdef WIN32
#include <windows.h>
#include <shellapi.h>
#include <shlobj.h>
#else
#include <strings.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <dirent.h>
#endif
//Initialise the musicManager.
//The MusicManager is used to prevent loading music files multiple times and for playing/fading music.
MusicManager musicManager;
//Initialise the soundManager.
//The SoundManager is used to keep track of the sfx in the game.
SoundManager soundManager;
//Initialise the levelPackManager.
//The LevelPackManager is used to prevent loading levelpacks multiple times and for the game to know which levelpacks there are.
LevelPackManager levelPackManager;
//Map containing changed settings using command line arguments.
map<string,string> tmpSettings;
//Pointer to the settings object.
//It is used to load and save the settings file and change the settings.
Settings* settings=nullptr;
SDL_Renderer* sdlRenderer=nullptr;
void applySurface(int x,int y,SDL_Surface* source,SDL_Surface* dest,SDL_Rect* clip){
//The offset is needed to draw at the right location.
SDL_Rect offset;
offset.x=x;
offset.y=y;
//Let SDL do the drawing of the surface.
SDL_BlitSurface(source,clip,dest,&offset);
}
void drawRect(int x,int y,int w,int h,SDL_Renderer& renderer,Uint32 color){
//NOTE: We let SDL_gfx render it.
SDL_SetRenderDrawColor(&renderer,color >> 24,color >> 16,color >> 8,255);
//rectangleRGBA(&renderer,x,y,x+w,y+h,color >> 24,color >> 16,color >> 8,255);
const SDL_Rect r{x,y,w,h};
SDL_RenderDrawRect(&renderer,&r);
}
//Draw a box with anti-aliased borders using SDL_gfx.
void drawGUIBox(int x,int y,int w,int h,SDL_Renderer& renderer,Uint32 color){
SDL_Renderer* rd = &renderer;
//FIXME, this may get the wrong color on system with different endianness.
//Fill content's background color from function parameter
SDL_SetRenderDrawColor(rd,color >> 24,color >> 16,color >> 8,color >> 0);
{
const SDL_Rect r{x+1,y+1,w-2,h-2};
SDL_RenderFillRect(rd, &r);
}
SDL_SetRenderDrawColor(rd,0,0,0,255);
//Draw first black borders around content and leave 1 pixel in every corner
SDL_RenderDrawLine(rd,x+1,y,x+w-2,y);
SDL_RenderDrawLine(rd,x+1,y+h-1,x+w-2,y+h-1);
SDL_RenderDrawLine(rd,x,y+1,x,y+h-2);
SDL_RenderDrawLine(rd,x+w-1,y+1,x+w-1,y+h-2);
//Fill the corners with transperent color to create anti-aliased borders
SDL_SetRenderDrawColor(rd,0,0,0,160);
SDL_RenderDrawPoint(rd,x,y);
SDL_RenderDrawPoint(rd,x,y+h-1);
SDL_RenderDrawPoint(rd,x+w-1,y);
SDL_RenderDrawPoint(rd,x+w-1,y+h-1);
//Draw second lighter border around content
SDL_SetRenderDrawColor(rd,0,0,0,64);
{
const SDL_Rect r{x+1,y+1,w-2,h-2};
SDL_RenderDrawRect(rd,&r);
}
SDL_SetRenderDrawColor(rd,0,0,0,50);
//Create anti-aliasing in corners of second border
SDL_RenderDrawPoint(rd,x+1,y+1);
SDL_RenderDrawPoint(rd,x+1,y+h-2);
SDL_RenderDrawPoint(rd,x+w-2,y+1);
SDL_RenderDrawPoint(rd,x+w-2,y+h-2);
}
void drawLine(int x1,int y1,int x2,int y2,SDL_Renderer& renderer,Uint32 color){
SDL_SetRenderDrawColor(&renderer,color >> 24,color >> 16,color >> 8,255);
//NOTE: We let SDL_gfx render it.
//lineRGBA(&renderer,x1,y1,x2,y2,color >> 24,color >> 16,color >> 8,255);
SDL_RenderDrawLine(&renderer,x1,y1,x2,y2);
}
void drawLineWithArrow(int x1,int y1,int x2,int y2,SDL_Renderer& renderer,Uint32 color,int spacing,int offset,int xsize,int ysize){
//Draw line first
drawLine(x1,y1,x2,y2,renderer,color);
//calc delta and length
double dx=x2-x1;
double dy=y2-y1;
double length=sqrt(dx*dx+dy*dy);
if(length<0.001) return;
//calc the unit vector
dx/=length; dy/=length;
//Now draw arrows on it
for(double p=offset;p<length;p+=spacing){
drawLine(int(x1+p*dx+0.5),int(y1+p*dy+0.5),
int(x1+(p-xsize)*dx-ysize*dy+0.5),int(y1+(p-xsize)*dy+ysize*dx+0.5),renderer,color);
drawLine(int(x1+p*dx+0.5),int(y1+p*dy+0.5),
int(x1+(p-xsize)*dx+ysize*dy+0.5),int(y1+(p-xsize)*dy-ysize*dx+0.5),renderer,color);
}
}
ScreenData creationFailed() {
return ScreenData{ nullptr };
}
ScreenData createScreen(){
//Check if we are going fullscreen.
if(settings->getBoolValue("fullscreen"))
pickFullscreenResolution();
//Set the screen_width and height.
SCREEN_WIDTH=atoi(settings->getValue("width").c_str());
SCREEN_HEIGHT=atoi(settings->getValue("height").c_str());
//Update the camera.
camera.w=SCREEN_WIDTH;
camera.h=SCREEN_HEIGHT;
//Set the flags.
Uint32 flags = 0;
Uint32 currentFlags = SDL_GetWindowFlags(sdlWindow);
//#if !defined(ANDROID)
// flags |= SDL_DOUBLEBUF;
//#endif
if(settings->getBoolValue("fullscreen")) {
flags|=SDL_WINDOW_FULLSCREEN; //TODO with SDL2 we can also do SDL_WINDOW_FULLSCREEN_DESKTOP
}
else if(settings->getBoolValue("resizable"))
flags|=SDL_WINDOW_RESIZABLE;
//Create the window and renderer if they don't exist and check if there weren't any errors.
if (!sdlWindow && !sdlRenderer) {
SDL_CreateWindowAndRenderer(SCREEN_WIDTH, SCREEN_HEIGHT, flags, &sdlWindow, &sdlRenderer);
if(!sdlWindow || !sdlRenderer){
std::cerr << "FATAL ERROR: SDL_CreateWindowAndRenderer failed.\nError: " << SDL_GetError() << std::endl;
return creationFailed();
}
SDL_SetRenderDrawBlendMode(sdlRenderer, SDL_BlendMode::SDL_BLENDMODE_BLEND);
// White background so we see the menu on failure.
SDL_SetRenderDrawColor(sdlRenderer, 255, 255, 255, 255);
} else if (sdlWindow) {
// Try changing to/from fullscreen
if(SDL_SetWindowFullscreen(sdlWindow, flags & SDL_WINDOW_FULLSCREEN) != 0) {
std::cerr << "WARNING: Failed to switch to fullscreen: " << SDL_GetError() << std::endl;
};
currentFlags = SDL_GetWindowFlags(sdlWindow);
// Change fullscreen resolution
if((currentFlags & SDL_WINDOW_FULLSCREEN ) || (currentFlags & SDL_WINDOW_FULLSCREEN_DESKTOP)) {
SDL_DisplayMode m{0,0,0,0,nullptr};
SDL_GetWindowDisplayMode(sdlWindow,&m);
m.w = SCREEN_WIDTH;
m.h = SCREEN_HEIGHT;
if(SDL_SetWindowDisplayMode(sdlWindow, &m) != 0) {
std::cerr << "WARNING: Failed to set display mode: " << SDL_GetError() << std::endl;
}
} else {
SDL_SetWindowSize(sdlWindow, SCREEN_WIDTH, SCREEN_HEIGHT);
}
}
//Now configure the newly created window (if windowed).
if(settings->getBoolValue("fullscreen")==false)
configureWindow();
//Set the the window caption.
SDL_SetWindowTitle(sdlWindow, ("Me and My Shadow "+version).c_str());
//FIXME Seems to be obsolete
// SDL_EnableUNICODE(1);
//Nothing went wrong so return true.
return ScreenData{sdlRenderer};
}
vector<_res> getResolutionList(){
//Vector that will hold the resolutions to choose from.
vector<_res> resolutionList;
//Enumerate available resolutions using SDL_ListModes()
//NOTE: we enumerate fullscreen resolutions because
// windowed resolutions always can be arbitrary
if(resolutionList.empty()){
// SDL_Rect **modes=SDL_ListModes(NULL,SDL_FULLSCREEN|SCREEN_FLAGS|SDL_ANYFORMAT);
//NOTe - currently only using the first display (0)
int numDisplayModes = SDL_GetNumDisplayModes(0);
if(numDisplayModes < 1){
cerr<<"ERROR: Can't enumerate available screen resolutions."
" Use predefined screen resolutions list instead."<<endl;
static const _res predefinedResolutionList[] = {
{800,600},
{1024,600},
{1024,768},
{1152,864},
{1280,720},
{1280,768},
{1280,800},
{1280,960},
{1280,1024},
{1360,768},
{1366,768},
{1440,900},
{1600,900},
{1600,1200},
{1680,1080},
{1920,1080},
{1920,1200},
{2560,1440},
{3840,2160}
};
//Fill the resolutionList.
for(unsigned int i=0;i<sizeof(predefinedResolutionList)/sizeof(_res);i++){
resolutionList.push_back(predefinedResolutionList[i]);
}
}else{
//Fill the resolutionList.
for(int i=0;i < numDisplayModes; ++i){
SDL_DisplayMode mode;
int error = SDL_GetDisplayMode(0, i, &mode);
if(error < 0) {
//We failed to get a display mode. Should we crash here?
std::cerr << "ERROR: Failed to get display mode " << i << " " << std::endl;
}
//Check if the resolution is higher than the minimum (800x600).
if(mode.w >= 800 && mode.h >= 600){
_res res={mode.w, mode.h};
resolutionList.push_back(res);
}
}
//Reverse it so that we begin with the lowest resolution.
reverse(resolutionList.begin(),resolutionList.end());
}
}
//Return the resolution list.
return resolutionList;
}
void pickFullscreenResolution(){
//Get the resolution list.
vector<_res> resolutionList=getResolutionList();
//The resolution that will hold the final result, we start with the minimum (800x600).
_res closestMatch={800,600};
int width=atoi(getSettings()->getValue("width").c_str());
//int height=atoi(getSettings()->getValue("height").c_str());
//Now loop through the resolutionList.
for(int i=0;i<(int)resolutionList.size();i++){
//The delta between the closestMatch and the resolution from the list.
int dM=(closestMatch.w-resolutionList[i].w);
//The delta between the target width and the resolution from the list.
int dT=(width-resolutionList[i].w);
//Since the resolutions are getting higher the lower (more negative) the further away it is.
//That's why we check if the deltaMatch is lower than the the deltaTarget.
if((dM)<(dT)){
closestMatch.w=resolutionList[i].w;
closestMatch.h=resolutionList[i].h;
}
}
//Now set the resolution to the closest match.
char s[64];
sprintf(s,"%d",closestMatch.w);
getSettings()->setValue("width",s);
sprintf(s,"%d",closestMatch.h);
getSettings()->setValue("height",s);
}
void configureWindow(){
//We only need to configure the window if it's resizable.
if(!getSettings()->getBoolValue("resizable"))
return;
//We use a new function in SDL2 to restrict minimum window size
SDL_SetWindowMinimumSize(sdlWindow, 800, 600);
}
void onVideoResize(ImageManager& imageManager, SDL_Renderer &renderer){
//Check if the resize event isn't malformed.
if(event.window.data1<=0 || event.window.data2<=0)
return;
//Check the size limit.
//TODO: SDL2 porting note: This may break on systems non-X11 or Windows systems as the window size won't be limited
//there.
if(event.window.data1<800)
event.window.data1=800;
if(event.window.data2<600)
event.window.data2=600;
//Check if it really resizes.
if(SCREEN_WIDTH==event.window.data1 && SCREEN_HEIGHT==event.window.data2)
return;
char s[32];
//Set the new width and height.
SDL_snprintf(s,32,"%d",event.window.data1);
getSettings()->setValue("width",s);
SDL_snprintf(s,32,"%d",event.window.data2);
getSettings()->setValue("height",s);
//FIXME: THIS doesn't work properly.
//Do resizing.
SCREEN_WIDTH = event.window.data1;
SCREEN_HEIGHT = event.window.data2;
//Update the camera.
camera.w=SCREEN_WIDTH;
camera.h=SCREEN_HEIGHT;
//Tell the theme to resize.
if(!loadTheme(imageManager,renderer,""))
return;
//And let the currentState update it's GUI to the new resolution.
currentState->resize(imageManager, renderer);
}
ScreenData init(){
//Initialze SDL.
if(SDL_Init(SDL_INIT_EVERYTHING)==-1) {
std::cerr << "FATAL ERROR: SDL_Init failed\nError: " << SDL_GetError() << std::endl;
return creationFailed();
}
//Initialze SDL_mixer (audio).
//Note for SDL2 port: Changed frequency from 22050 to 44100.
//22050 caused some sound artifacts on my system, and I'm not sure
//why one would use it in this day and age anyhow.
//unless it's for compatability with some legacy system.
if(Mix_OpenAudio(44100,MIX_DEFAULT_FORMAT,2,1024)==-1){
std::cerr << "FATAL ERROR: Mix_OpenAudio failed\nError: " << Mix_GetError() << std::endl;
return creationFailed();
}
//Set the volume.
Mix_Volume(-1,atoi(settings->getValue("sound").c_str()));
//Increase the number of channels.
soundManager.setNumberOfChannels(48);
//Initialze SDL_ttf (fonts).
if(TTF_Init()==-1){
std::cerr << "FATAL ERROR: TTF_Init failed\nError: " << TTF_GetError() << std::endl;
return creationFailed();
}
//Create the screen.
ScreenData screenData(createScreen());
if(!screenData) {
return creationFailed();
}
//Load key config. Then initialize joystick support.
inputMgr.loadConfig();
inputMgr.openAllJoysitcks();
//Init tinygettext for translations for the right language
dictionaryManager = new tinygettext::DictionaryManager();
dictionaryManager->add_directory(getDataPath()+"locale");
dictionaryManager->set_charset("UTF-8");
//Check if user have defined own language. If not, find it out for the player using findlocale
string lang=getSettings()->getValue("lang");
if(lang.length()>0){
printf("Locale set by user to %s\n",lang.c_str());
language=lang;
}else{
FL_Locale *locale;
FL_FindLocale(&locale,FL_MESSAGES);
printf("Locale isn't set by user: %s\n",locale->lang);
language=locale->lang;
if(locale->country!=NULL){
language+=string("_")+string(locale->country);
}
if(locale->variant!=NULL){
language+=string("@")+string(locale->variant);
}
FL_FreeLocale(&locale);
}
//Now set the language in the dictionaryManager.
dictionaryManager->set_language(tinygettext::Language::from_name(language));
//Disable annoying 'Couldn't translate: blah blah blah'
tinygettext::Log::set_log_info_callback(NULL);
//Set time format to the user-preference of the system.
setlocale(LC_TIME,"");
//Create the types of blocks.
for(int i=0;i<TYPE_MAX;i++){
Game::blockNameMap[Game::blockName[i]]=i;
}
//Structure that holds the event type/name pair.
struct EventTypeName{
int type;
const char* name;
};
//Create the types of game object event types.
{
const EventTypeName types[]={
{GameObjectEvent_PlayerWalkOn,"playerWalkOn"},
{GameObjectEvent_PlayerIsOn,"playerIsOn"},
{GameObjectEvent_PlayerLeave,"playerLeave"},
{GameObjectEvent_OnCreate,"onCreate"},
{GameObjectEvent_OnEnterFrame,"onEnterFrame"},
{ GameObjectEvent_OnPlayerInteraction, "onPlayerInteraction" },
{GameObjectEvent_OnToggle,"onToggle"},
{GameObjectEvent_OnSwitchOn,"onSwitchOn"},
{GameObjectEvent_OnSwitchOff,"onSwitchOff"},
{0,NULL}
};
for(int i=0;types[i].name;i++){
Game::gameObjectEventNameMap[types[i].name]=types[i].type;
Game::gameObjectEventTypeMap[types[i].type]=types[i].name;
}
}
//Create the types of level event types.
{
const EventTypeName types[]={
{LevelEvent_OnCreate,"onCreate"},
{LevelEvent_OnSave,"onSave"},
{LevelEvent_OnLoad,"onLoad"},
{0,NULL}
};
for(int i=0;types[i].name;i++){
Game::levelEventNameMap[types[i].name]=types[i].type;
Game::levelEventTypeMap[types[i].type]=types[i].name;
}
}
//Nothing went wrong so we return true.
return screenData;
}
static TTF_Font* loadFont(const char* name,int size){
TTF_Font* tmpFont=TTF_OpenFont((getDataPath()+"font/"+name+".ttf").c_str(),size);
if(tmpFont){
return tmpFont;
}else{
#if defined(ANDROID)
//Android has built-in DroidSansFallback.ttf. (?)
return TTF_OpenFont("/system/fonts/DroidSansFallback.ttf",size);
#else
return TTF_OpenFont((getDataPath()+"font/DroidSansFallback.ttf").c_str(),size);
#endif
}
}
bool loadFonts(){
//Load the fonts.
//NOTE: This is a separate method because it will be called separately when re-initing in case of language change.
//First close the fonts if needed.
if(fontTitle)
TTF_CloseFont(fontTitle);
if(fontGUI)
TTF_CloseFont(fontGUI);
if(fontGUISmall)
TTF_CloseFont(fontGUISmall);
if(fontText)
TTF_CloseFont(fontText);
if(fontMono)
TTF_CloseFont(fontMono);
/// TRANSLATORS: Font used in GUI:
/// - Use "knewave" for languages using Latin and Latin-derived alphabets
/// - "DroidSansFallback" can be used for non-Latin writing systems
fontTitle=loadFont(_("knewave"),55);
fontGUI=loadFont(_("knewave"),32);
fontGUISmall=loadFont(_("knewave"),24);
/// TRANSLATORS: Font used for normal text:
/// - Use "Blokletters-Viltstift" for languages using Latin and Latin-derived alphabets
/// - "DroidSansFallback" can be used for non-Latin writing systems
fontText=loadFont(_("Blokletters-Viltstift"),16);
fontMono=loadFont("VeraMono",12);
if(fontTitle==NULL || fontGUI==NULL || fontGUISmall==NULL || fontText==NULL || fontMono==NULL){
printf("ERROR: Unable to load fonts! \n");
return false;
}
//Nothing went wrong so return true.
return true;
}
//Generate small arrows used for some GUI widgets.
static void generateArrows(SDL_Renderer& renderer){
TTF_Font* fontArrow=loadFont(_("knewave"),18);
arrowLeft1=textureFromText(renderer,*fontArrow,"<",objThemes.getTextColor(false));
arrowRight1=textureFromText(renderer,*fontArrow,">",objThemes.getTextColor(false));
arrowLeft2=textureFromText(renderer,*fontArrow,"<",objThemes.getTextColor(true));
arrowRight2=textureFromText(renderer,*fontArrow,">",objThemes.getTextColor(true));
TTF_CloseFont(fontArrow);
}
bool loadTheme(ImageManager& imageManager,SDL_Renderer& renderer,std::string name){
//Load default fallback theme if it isn't loaded yet
if(objThemes.themeCount()==0){
if(objThemes.appendThemeFromFile(getDataPath()+"themes/Cloudscape/theme.mnmstheme", imageManager, renderer)==NULL){
printf("ERROR: Can't load default theme file\n");
return false;
}
}
//Resize background or load specific theme
bool success=true;
if(name==""||name.empty()){
objThemes.scaleToScreen();
}else{
string theme=processFileName(name);
if(objThemes.appendThemeFromFile(theme+"/theme.mnmstheme", imageManager, renderer)==NULL){
printf("ERROR: Can't load theme %s\n",theme.c_str());
success=false;
}
}
generateArrows(renderer);
//Everything went fine so return true.
return success;
}
static SDL_Cursor* loadCursor(const char* image[]){
int i,row,col;
//The array that holds the data (0=white 1=black)
Uint8 data[4*32];
//The array that holds the alpha mask (0=transparent 1=visible)
Uint8 mask[4*32];
//The coordinates of the hotspot of the cursor.
int hotspotX, hotspotY;
i=-1;
//Loop through the rows and columns.
//NOTE: We assume a cursor size of 32x32.
for(row=0;row<32;++row){
for(col=0; col<32;++col){
if(col % 8) {
data[i]<<=1;
mask[i]<<=1;
}else{
++i;
data[i]=mask[i]=0;
}
switch(image[4+row][col]){
case '+':
data[i] |= 0x01;
mask[i] |= 0x01;
break;
case '.':
mask[i] |= 0x01;
break;
default:
break;
}
}
}
//Get the hotspot x and y locations from the last line of the cursor.
sscanf(image[4+row],"%d,%d",&hotspotX,&hotspotY);
return SDL_CreateCursor(data,mask,32,32,hotspotX,hotspotY);
}
bool loadFiles(ImageManager& imageManager, SDL_Renderer& renderer){
//Load the fonts.
if(!loadFonts())
return false;
//Show a loading screen
{
int w = 0,h = 0;
SDL_GetRendererOutputSize(&renderer, &w, &h);
SDL_Color fg={255,255,255,0};
TexturePtr loadingTexture = textureFromText(renderer, *fontTitle, _("Loading..."),fg);
SDL_Rect loadingRect = rectFromTexture(*loadingTexture);
loadingRect.x = (w-loadingRect.w)/2;
loadingRect.y = (h-loadingRect.h)/2;
SDL_RenderCopy(sdlRenderer, loadingTexture.get(), NULL, &loadingRect);
SDL_RenderPresent(sdlRenderer);
SDL_RenderClear(sdlRenderer);
}
musicManager.destroy();
//Load the music and play it.
if(musicManager.loadMusic((getDataPath()+"music/menu.music")).empty()){
printf("WARNING: Unable to load background music! \n");
}
musicManager.playMusic("menu",false);
//Load all the music lists from the data and user data path.
{
vector<string> musicLists=enumAllFiles((getDataPath()+"music/"),"list",true);
for(unsigned int i=0;i<musicLists.size();i++)
getMusicManager()->loadMusicList(musicLists[i]);
musicLists=enumAllFiles((getUserPath(USER_DATA)+"music/"),"list",true);
for(unsigned int i=0;i<musicLists.size();i++)
getMusicManager()->loadMusicList(musicLists[i]);
}
//Set the list to the configured one.
getMusicManager()->setMusicList(getSettings()->getValue("musiclist"));
//Check if music is enabled.
if(getSettings()->getBoolValue("music"))
getMusicManager()->setEnabled();
//Load the sound effects
soundManager.loadSound((getDataPath()+"sfx/jump.wav").c_str(),"jump");
soundManager.loadSound((getDataPath()+"sfx/hit.wav").c_str(),"hit");
soundManager.loadSound((getDataPath()+"sfx/checkpoint.wav").c_str(),"checkpoint");
soundManager.loadSound((getDataPath()+"sfx/swap.wav").c_str(),"swap");
soundManager.loadSound((getDataPath()+"sfx/toggle.ogg").c_str(),"toggle");
soundManager.loadSound((getDataPath()+"sfx/error.wav").c_str(),"error");
soundManager.loadSound((getDataPath()+"sfx/collect.wav").c_str(),"collect");
soundManager.loadSound((getDataPath()+"sfx/achievement.ogg").c_str(),"achievement");
//Load the cursor images from the Cursor.h file.
cursors[CURSOR_POINTER]=loadCursor(pointer);
cursors[CURSOR_CARROT]=loadCursor(ibeam);
cursors[CURSOR_DRAG]=loadCursor(closedhand);
cursors[CURSOR_SIZE_HOR]=loadCursor(size_hor);
cursors[CURSOR_SIZE_VER]=loadCursor(size_ver);
cursors[CURSOR_SIZE_FDIAG]=loadCursor(size_fdiag);
cursors[CURSOR_SIZE_BDIAG]=loadCursor(size_bdiag);
cursors[CURSOR_REMOVE]=loadCursor(remove_cursor);
cursors[CURSOR_POINTING_HAND] = loadCursor(pointing_hand);
//Set the default cursor right now.
SDL_SetCursor(cursors[CURSOR_POINTER]);
levelPackManager.destroy();
//Now sum up all the levelpacks.
vector<string> v=enumAllDirs(getDataPath()+"levelpacks/");
for(vector<string>::iterator i=v.begin(); i!=v.end(); ++i){
levelPackManager.loadLevelPack(getDataPath()+"levelpacks/"+*i);
}
v=enumAllDirs(getUserPath(USER_DATA)+"levelpacks/");
for(vector<string>::iterator i=v.begin(); i!=v.end(); ++i){
levelPackManager.loadLevelPack(getUserPath(USER_DATA)+"levelpacks/"+*i);
}
v=enumAllDirs(getUserPath(USER_DATA)+"custom/levelpacks/");
for(vector<string>::iterator i=v.begin(); i!=v.end(); ++i){
levelPackManager.loadLevelPack(getUserPath(USER_DATA)+"custom/levelpacks/"+*i);
}
//Now we add a special levelpack that will contain the levels not in a levelpack.
LevelPack* levelsPack=new LevelPack;
levelsPack->levelpackName="Levels";
levelsPack->levelpackPath="Levels/";
//NOTE: Set the type of 'levels' to main so it won't be added to the custom packs, even though it contains non-main levels.
levelsPack->type=COLLECTION;
LevelPack* customLevelsPack=new LevelPack;
customLevelsPack->levelpackName="Custom Levels";
customLevelsPack->levelpackPath="Custom Levels/";
customLevelsPack->type=COLLECTION;
//List the addon levels and add them one for one.
v=enumAllFiles(getUserPath(USER_DATA)+"levels/");
for(vector<string>::iterator i=v.begin(); i!=v.end(); ++i){
levelsPack->addLevel(getUserPath(USER_DATA)+"levels/"+*i);
levelsPack->setLocked(levelsPack->getLevelCount()-1);
}
//List the custom levels and add them one for one.
v=enumAllFiles(getUserPath(USER_DATA)+"custom/levels/");
for(vector<string>::iterator i=v.begin(); i!=v.end(); ++i){
levelsPack->addLevel(getUserPath(USER_DATA)+"custom/levels/"+*i);
levelsPack->setLocked(levelsPack->getLevelCount()-1);
customLevelsPack->addLevel(getUserPath(USER_DATA)+"custom/levels/"+*i);
customLevelsPack->setLocked(customLevelsPack->getLevelCount()-1);
}
//Add them to the manager.
levelPackManager.addLevelPack(levelsPack);
levelPackManager.addLevelPack(customLevelsPack);
//Load statistics
statsMgr.loadPicture(renderer, imageManager);
statsMgr.registerAchievements(imageManager);
statsMgr.loadFile(getUserPath(USER_CONFIG)+"statistics");
//Do something ugly and slow
statsMgr.reloadCompletedLevelsAndAchievements();
statsMgr.reloadOtherAchievements();
//Load the theme, both menu and default.
//NOTE: Loading theme may fail and returning false would stop everything, default theme will be used instead.
if (!loadTheme(imageManager,renderer,getSettings()->getValue("theme"))){
getSettings()->setValue("theme","%DATA%/themes/Cloudscape");
saveSettings();
}
//Nothing failed so return true.
return true;
}
bool loadSettings(){
settings=new Settings(getUserPath(USER_CONFIG)+"meandmyshadow.cfg");
settings->parseFile();
//Now apply settings changed through command line arguments, if any.
map<string,string>::iterator it;
for(it=tmpSettings.begin();it!=tmpSettings.end();++it){
settings->setValue(it->first,it->second);
}
tmpSettings.clear();
//Always return true?
return true;
}
bool saveSettings(){
return settings->save();
}
Settings* getSettings(){
return settings;
}
MusicManager* getMusicManager(){
return &musicManager;
}
SoundManager* getSoundManager(){
return &soundManager;
}
LevelPackManager* getLevelPackManager(){
return &levelPackManager;
}
void flipScreen(SDL_Renderer& renderer){
// Render the data from the back buffer.
SDL_RenderPresent(&renderer);
}
void clean(){
//Save statistics
statsMgr.saveFile(getUserPath(USER_CONFIG)+"statistics");
//We delete the settings.
if(settings){
delete settings;
settings=NULL;
}
//Delete dictionaryManager.
delete dictionaryManager;
//Get rid of the currentstate.
//NOTE: The state is probably already deleted by the changeState function.
if(currentState)
delete currentState;
//Destroy the GUI if present.
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
//These calls to destroy makes sure stuff is
//deleted before SDL is uninitialised (as these managers are stack allocated
//globals.)
//Destroy the musicManager.
musicManager.destroy();
//Destroy all sounds
soundManager.destroy();
//Destroy the cursors.
for(int i=0;i<CURSOR_MAX;i++){
SDL_FreeCursor(cursors[i]);
cursors[i]=NULL;
}
//Destroy the levelPackManager.
levelPackManager.destroy();
levels=NULL;
//Close all joysticks.
inputMgr.closeAllJoysticks();
//Close the fonts and quit SDL_ttf.
TTF_CloseFont(fontTitle);
TTF_CloseFont(fontGUI);
TTF_CloseFont(fontGUISmall);
TTF_CloseFont(fontText);
TTF_CloseFont(fontMono);
TTF_Quit();
//Remove the temp surface.
SDL_DestroyRenderer(sdlRenderer);
SDL_DestroyWindow(sdlWindow);
arrowLeft1.reset(nullptr);
arrowLeft2.reset(nullptr);
arrowRight1.reset(nullptr);
arrowRight2.reset(nullptr);
//Stop audio.and quit
Mix_CloseAudio();
//SDL2 porting note. Not sure why this was only done on apple.
//#ifndef __APPLE__
Mix_Quit();
//#endif
//And finally quit SDL.
SDL_Quit();
}
void setNextState(int newstate){
//Only change the state when we aren't already exiting.
if(nextState!=STATE_EXIT){
nextState=newstate;
}
}
void changeState(ImageManager& imageManager, SDL_Renderer& renderer, int fade){
//Check if there's a nextState.
if(nextState!=STATE_NULL){
//Fade out, if fading is enabled.
if (currentState && settings->getBoolValue("fading")) {
for (; fade >= 0; fade -= 17) {
currentState->render(imageManager, renderer);
//TODO: Shouldn't the gamestate take care of rendering the GUI?
if (GUIObjectRoot) GUIObjectRoot->render(renderer);
dimScreen(renderer, static_cast<Uint8>(255 - fade));
//draw new achievements (if any) as overlay
statsMgr.render(imageManager, renderer);
flipScreen(renderer);
SDL_Delay(25);
}
}
//Delete the currentState.
delete currentState;
currentState=NULL;
//Set the currentState to the nextState.
stateID=nextState;
nextState=STATE_NULL;
//Init the state.
switch(stateID){
case STATE_GAME:
{
currentState=NULL;
Game* game=new Game(renderer, imageManager);
currentState=game;
//Check if we should load record file or a level.
if(!Game::recordFile.empty()){
game->loadRecord(imageManager,renderer,Game::recordFile.c_str());
Game::recordFile.clear();
}else{
game->loadLevel(imageManager,renderer,levels->getLevelFile());
levels->saveLevelProgress();
}
}
break;
case STATE_MENU:
currentState=new Menu(imageManager, renderer);
break;
case STATE_LEVEL_SELECT:
currentState=new LevelPlaySelect(imageManager, renderer);
break;
case STATE_LEVEL_EDIT_SELECT:
currentState=new LevelEditSelect(imageManager, renderer);
break;
case STATE_LEVEL_EDITOR:
{
currentState=NULL;
LevelEditor* levelEditor=new LevelEditor(renderer, imageManager);
currentState=levelEditor;
//Load the selected level.
levelEditor->loadLevel(imageManager,renderer,levels->getLevelFile());
}
break;
case STATE_OPTIONS:
currentState=new Options(imageManager, renderer);
break;
case STATE_ADDONS:
currentState=new Addons(renderer, imageManager);
break;
case STATE_CREDITS:
currentState=new Credits(imageManager,renderer);
break;
case STATE_STATISTICS:
currentState=new StatisticsScreen(imageManager,renderer);
break;
}
//NOTE: STATE_EXIT isn't mentioned, meaning that currentState is null.
//This way the game loop will break and the program will exit.
}
}
void musicStoppedHook(){
//We just call the musicStopped method of the MusicManager.
musicManager.musicStopped();
}
void channelFinishedHook(int channel){
soundManager.channelFinished(channel);
}
bool checkCollision(const SDL_Rect& a,const SDL_Rect& b){
//Check if the left side of box a isn't past the right side of b.
if(a.x>=b.x+b.w){
return false;
}
//Check if the right side of box a isn't left of the left side of b.
if(a.x+a.w<=b.x){
return false;
}
//Check if the top side of box a isn't under the bottom side of b.
if(a.y>=b.y+b.h){
return false;
}
//Check if the bottom side of box a isn't above the top side of b.
if(a.y+a.h<=b.y){
return false;
}
//We have collision.
return true;
}
int parseArguments(int argc, char** argv){
//Loop through all arguments.
//We start at one since 0 is the command itself.
for(int i=1;i<argc;i++){
string argument=argv[i];
//Check if the argument is the data-dir.
if(argument=="--data-dir"){
//We need a second argument so we increase i.
i++;
if(i>=argc){
printf("ERROR: Missing argument for command '%s'\n\n",argument.c_str());
return -1;
}
//Configure the dataPath with the given path.
dataPath=argv[i];
if(!getDataPath().empty()){
char c=dataPath[dataPath.size()-1];
if(c!='/'&&c!='\\') dataPath+="/";
}
}else if(argument=="--user-dir"){
//We need a second argument so we increase i.
i++;
if(i>=argc){
printf("ERROR: Missing argument for command '%s'\n\n",argument.c_str());
return -1;
}
//Configure the userPath with the given path.
userPath=argv[i];
if(!userPath.empty()){
char c=userPath[userPath.size()-1];
if(c!='/'&&c!='\\') userPath+="/";
}
}else if(argument=="-f" || argument=="-fullscreen" || argument=="--fullscreen"){
tmpSettings["fullscreen"]="1";
}else if(argument=="-w" || argument=="-windowed" || argument=="--windowed"){
tmpSettings["fullscreen"]="0";
}else if(argument=="-mv" || argument=="-music" || argument=="--music"){
//We need a second argument so we increase i.
i++;
if(i>=argc){
printf("ERROR: Missing argument for command '%s'\n\n",argument.c_str());
return -1;
}
//Now set the music volume.
tmpSettings["music"]=argv[i];
}else if(argument=="-sv" || argument=="-sound" || argument=="--sound"){
//We need a second argument so we increase i.
i++;
if(i>=argc){
printf("ERROR: Missing argument for command '%s'\n\n",argument.c_str());
return -1;
}
//Now set sound volume.
tmpSettings["sound"]=argv[i];
}else if(argument=="-set" || argument=="--set"){
//We need a second and a third argument so we increase i.
i+=2;
if(i>=argc){
printf("ERROR: Missing argument for command '%s'\n\n",argument.c_str());
return -1;
}
//And set the setting.
tmpSettings[argv[i-1]]=argv[i];
}else if(argument=="-v" || argument=="-version" || argument=="--version"){
//Print the version.
printf("%s\n",version.c_str());
return 0;
}else if(argument=="-h" || argument=="-help" || argument=="--help"){
//If the help is requested we'll return false without printing an error.
//This way the usage/help text will be printed.
return -1;
}else{
//Any other argument is unknow so we return false.
printf("ERROR: Unknown argument %s\n\n",argument.c_str());
return -1;
}
}
//If everything went well we can return true.
return 1;
}
//Special structure that will recieve the GUIEventCallbacks of the messagebox.
struct msgBoxHandler:public GUIEventCallback{
public:
//Integer containing the ret(urn) value of the messageBox.
int ret;
public:
//Constructor.
msgBoxHandler():ret(0){}
void GUIEventCallback_OnEvent(ImageManager& imageManager, SDL_Renderer& renderer, std::string name,GUIObject* obj,int eventType){
//Make sure it's a click event.
if(eventType==GUIEventClick){
//Set the return value.
ret=obj->value;
//After a click event we can delete the GUI.
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
}
}
};
msgBoxResult msgBox(ImageManager& imageManager,SDL_Renderer& renderer, string prompt,msgBoxButtons buttons,const string& title){
//Create the event handler.
msgBoxHandler objHandler;
//The GUI objects.
GUIObject* obj;
//Create the GUIObjectRoot, the height and y location is temp.
//It depends on the content what it will be.
GUIObject* root=new GUIFrame(imageManager,renderer,(SCREEN_WIDTH-600)/2,200,600,200,title.c_str());
//Integer containing the current y location used to grow dynamic depending on the content.
int y=50;
//Now process the prompt.
{
//Pointer to the string.
char* lps=(char*)prompt.c_str();
//Pointer to a character.
char* lp=NULL;
//We keep looping forever.
//The only way out is with the break statement.
for(;;){
//As long as it's still the same sentence we continue.
//It will stop when there's a newline or end of line.
for(lp=lps;*lp!='\n'&&*lp!='\r'&&*lp!=0;lp++);
//Store the character we stopped on. (End or newline)
char c=*lp;
//Set the character in the string to 0, making lps a string containing one sentence.
*lp=0;
//Add a GUIObjectLabel with the sentence.
root->addChild(new GUILabel(imageManager,renderer,0,y,root->width,25,lps,0,true,true,GUIGravityCenter));
//Increase y with 25, about the height of the text.
y+=25;
//Check the stored character if it was a stop.
if(c==0){
//It was so break out of the for loop.
lps=lp;
break;
}
//It wasn't meaning more will follow.
//We set lps to point after the "newline" forming a new string.
lps=lp+1;
}
}
//Add 70 to y to leave some space between the content and the buttons.
y+=70;
//Recalc the size of the message box.
root->top=(SCREEN_HEIGHT-y)/2;
root->height=y;
//Now we need to add the buttons.
//Integer containing the number of buttons to add.
int count=0;
//Array with the return codes for the buttons.
int value[3]={0};
//Array containing the captation for the buttons.
string button[3]={"","",""};
switch(buttons){
case MsgBoxOKCancel:
count=2;
button[0]=_("OK");value[0]=MsgBoxOK;
button[1]=_("Cancel");value[1]=MsgBoxCancel;
break;
case MsgBoxAbortRetryIgnore:
count=3;
button[0]=_("Abort");value[0]=MsgBoxAbort;
button[1]=_("Retry");value[1]=MsgBoxRetry;
button[2]=_("Ignore");value[2]=MsgBoxIgnore;
break;
case MsgBoxYesNoCancel:
count=3;
button[0]=_("Yes");value[0]=MsgBoxYes;
button[1]=_("No");value[1]=MsgBoxNo;
button[2]=_("Cancel");value[2]=MsgBoxCancel;
break;
case MsgBoxYesNo:
count=2;
button[0]=_("Yes");value[0]=MsgBoxYes;
button[1]=_("No");value[1]=MsgBoxNo;
break;
case MsgBoxRetryCancel:
count=2;
button[0]=_("Retry");value[0]=MsgBoxRetry;
button[1]=_("Cancel");value[1]=MsgBoxCancel;
break;
default:
count=1;
button[0]=_("OK");value[0]=MsgBoxOK;
break;
}
//Now we start making the buttons.
{
//Reduce y so that the buttons fit inside the frame.
y-=40;
double places[3]={0.0};
if(count==1){
places[0]=0.5;
}else if(count==2){
places[0]=0.4;
places[1]=0.6;
}else if(count==3){
places[0]=0.3;
places[1]=0.5;
places[2]=0.7;
}
//Loop to add the buttons.
for(int i=0;i<count;i++){
obj=new GUIButton(imageManager,renderer,root->width*places[i],y,-1,36,button[i].c_str(),value[i],true,true,GUIGravityCenter);
obj->eventCallback=&objHandler;
root->addChild(obj);
}
}
//Now we dim the screen and keep the GUI rendering/updating.
GUIOverlay* overlay=new GUIOverlay(renderer,root);
overlay->keyboardNavigationMode = 0x7 | ((count == 1) ? 0 : 0x8);
overlay->enterLoop(imageManager, renderer, true, count == 1);
//And return the result.
return (msgBoxResult)objHandler.ret;
}
//SDL2 port note: Commented this out since it was unused.
#if 0
struct fileDialogHandler:public GUIEventCallback{
public:
//The ret(urn) value, true=ok and false=cancel
bool ret;
//Boolean if it's a save dialog.
bool isSave;
//Boolean if the file should be verified.
bool verifyFile;
//Boolean if files should be listed instead of directories.
bool files;
//Pointer to the textfield containing the filename.
GUIObject* txtName;
//Pointer to the listbox containing the different files.
GUIListBox* lstFile;
//The extension the files listed should have.
const char* extension;
//The current filename.
string fileName;
//The current search path.
string path;
//Vector containing the search paths.
vector<string> searchPath;
public:
//Constructor.
fileDialogHandler(bool isSave=false,bool verifyFile=false, bool files=true):ret(false),
isSave(isSave),verifyFile(verifyFile),
files(files),txtName(NULL),lstFile(NULL),extension(NULL){}
void GUIEventCallback_OnEvent(ImageManager& imageManager, SDL_Renderer& renderer,std::string name,GUIObject* obj,int /*eventType*/) override {
//Check for the ok event.
if(name=="cmdOK"){
//Get the entered fileName from the text field.
std::string s=txtName->caption;
//If it doesn't contain a slash we need to add the path to the fileName.
if(s.find_first_of("/")==string::npos)
s=path+s;
//If the string empty we return.
if(s.empty() || s.find_first_of("*?")!=string::npos)
return;
//We only need to check for extensions if it isn't a folder dialog.
if(files){
//If there isn't right extension add it.
size_t found=s.find_first_of(".");
if(found!=string::npos)
s.replace(s.begin()+found+1,s.end(),extension);
else if (s.substr(found+1)!=extension)
s.append(string(".")+extension);
}
//Check if we should save or load the file.
//
if(isSave){
//Open the file with read permission to check if it already exists.
FILE* f;
f=fopen(processFileName(s).c_str(),"rb");
//Check if it exists.
if(f){
//Close the file.
fclose(f);
//Let the currentState render once to prevent multiple GUI overlapping and prevent the screen from going black.
currentState->render(imageManager,renderer);
//Prompt the user with a Yes or No question.
/// TRANSLATORS: Filename is coming before this text
if(msgBox(imageManager,renderer, tfm::format(_("%s already exists.\nDo you want to overwrite it?"),s),MsgBoxYesNo,_("Overwrite Prompt"))!=MsgBoxYes){
//He answered no, so we return.
return;
}
}
//Check if we should verify the file.
//Verifying only applies to files not to directories.
if(verifyFile && files){
//Open the file with write permission.
f=fopen(processFileName(s).c_str(),"wb");
//Check if their aren't problems.
if(f){
//Close the file.
fclose(f);
}else{
//Let the currentState render once to prevent multiple GUI overlapping and prevent the screen from going black.
currentState->render(imageManager,renderer);
//The file can't be opened so tell the user.
msgBox(imageManager,renderer, tfm::format(_("Can't open file %s."),s),MsgBoxOKOnly,_("Error"));
return;
}
}
}else if(verifyFile && files){
//We need to verify a file for opening.
FILE *f;
f=fopen(processFileName(s).c_str(),"rb");
//Check if it didn't fail.
if(f){
//Succes, so close the file.
fclose(f);
}else{
//Let the currentState render once to prevent multiple GUI overlapping and prevent the screen from going black.
currentState->render(imageManager,renderer);
//Unable to open file so tell the user.
msgBox(imageManager,renderer, tfm::format(_("Can't open file %s."),s),MsgBoxOKOnly,_("Error"));
return;
}
}
//If we haven't returned then it's fine.
//Set the fileName to the chosen file.
fileName=s;
//Delete the GUI.
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
//Set return to true.
ret=true;
}else if(name=="cmdCancel"){
//Cancel means we can kill the gui.
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
}else if(name=="lstFile"){
//Get a pointer to the listbox.
GUIListBox* obj1=lstFile;
//Make sure the option exist and change textfield to it.
if(obj1!=NULL && txtName!=NULL && obj1->value>=0 && obj1->value<(int)obj1->item.size()){
txtName->caption=obj1->item[obj1->value];
}
}else if(name=="lstSearchIn"){
//Get the searchpath listbox.
GUISingleLineListBox *obj1=dynamic_cast<GUISingleLineListBox*>(obj);
//Check if the entry exists.
if(obj1!=NULL && lstFile!=NULL && obj1->value>=0 && obj1->value<(int)searchPath.size()){
//Temp string.
string s;
//Get the new search path.
path=searchPath[obj1->value];
//Make sure it isn't empty.
if(!path.empty()){
//Process the filename.
s=processFileName(path);
}else{
//It's empty so we give the userpath.
s=getUserPath();
}
//Fill the list with files or directories.
if(files) {
lstFile->item=enumAllFiles(s,extension);
}else
lstFile->item=enumAllDirs(s);
//Remove any selection from the list.
lstFile->value=-1;
}
}
}
};
bool fileDialog(ImageManager& imageManager,SDL_Renderer& renderer, string& fileName,const char* title,const char* extension,const char* path,bool isSave,bool verifyFile,bool files){
//Pointer to GUIObject to make the GUI with.
GUIObject* obj;
//Create the fileDialogHandler, used for event handling.
fileDialogHandler objHandler(isSave,verifyFile,files);
//Vector containing the pathNames.
vector<string> pathNames;
//Set the extension of the objHandler.
objHandler.extension=extension;
//We now need to splits the given path into multiple path names.
if(path && path[0]){
//The string isn't empty.
//Pointer to the paths string.
char* lp=(char*)path;
//Pointer to the first newline.
char* lps=strchr(lp,'\n');
//Pointer used for checking if their's another newline.
//It will indicate if it's the last set or not.
char* lpe;
//Check for a newline.
if(lps){
//We have newline(s) so loop forever.
//We can only break out of the loop when the string ends.
for(;;){
//Add the first searchpath.
//This is the beginning of the string (lp) to the first newline. (lps)
objHandler.searchPath.push_back(string(lp,lps-lp));
//We should have another newline so search for it.
lpe=strchr(lps+1,'\n');
if(lpe){
//We found it so we add that to the pathname.
pathNames.push_back(string(lps+1,lpe-lps-1));
//And start over again by setting lp to the start of a new set of searchPath/pathName.
lp=lpe+1;
}else{
//There is no newline anymore, meaning the last entry, the rest of the string must be the pathName.
pathNames.push_back(string(lps+1));
//And break out of the loop.
break;
}
//We haven't broken out so search for a newline.
lps=strchr(lp,'\n');
//If there isn't a newline break.
if(!lps)
break;
}
}else{
//There is no newline thus the whole string is the searchPath.
objHandler.searchPath.push_back(path);
}
}else{
//Empty so put an empty string as searchPath.
objHandler.searchPath.push_back(string());
}
//It's time to create the GUI.
//If there are more than one pathNames we need to add a GUISingleLineListBox.
int base_y=pathNames.empty()?20:60;
//Create the frame.
GUIObject* root=new GUIFrame(100,100-base_y/2,600,400+base_y,title?title:(isSave?_("Save File"):_("Load File")));
//Create the search path list box if needed.
if(!pathNames.empty()){
root->addChild(new GUILabel(8,40,184,36,_("Search In")));
GUISingleLineListBox* obj1=new GUISingleLineListBox(160,40,432,36);
obj1->addItems(pathNames);
obj1->value=0;
obj1->name="lstSearchIn";
obj1->eventCallback=&objHandler;
root->addChild(obj1);
}
//Add the FileName label and textfield.
root->addChild(new GUILabel(8,20+base_y,184,36,_("File Name")));
{
//Fill the textbox with the given fileName.
string s=fileName;
if(!isSave){
//But only if it isn't empty.
if(s.empty() && extension && extension[0])
s=string("*.")+string(extension);
}
//Create the textbox and add it to the GUI.
objHandler.txtName=new GUITextBox(160,20+base_y,432,36,s.c_str());
root->addChild(objHandler.txtName);
}
//Now we add the ListBox containing the files or directories.
{
GUIListBox* obj1=new GUIListBox(8,60+base_y,584,292);
//Get the searchPath.
string s=objHandler.searchPath[0];
//Make sure it isn't empty.
if(!s.empty()){
objHandler.path=s;
s=processFileName(s);
}else{
s=getUserPath();
}
//Check if we should list files or directories.
if(files){
//Fill the list with files.
obj1->item=enumAllFiles(s,extension);
}else{
//Fill the list with directories.
obj1->item=enumAllDirs(s);
}
obj1->name="lstFile";
obj1->eventCallback=&objHandler;
root->addChild(obj1);
objHandler.lstFile=obj1;
}
//Now create the OK and Cancel buttons.
obj=new GUIButton(200,360+base_y,192,36,_("OK"));
obj->name="cmdOK";
obj->eventCallback=&objHandler;
root->addChild(obj);
obj=new GUIButton(400,360+base_y,192,36,_("Cancel"));
obj->name="cmdCancel";
obj->eventCallback=&objHandler;
root->addChild(obj);
//Create the gui overlay.
GUIOverlay* overlay=new GUIOverlay(renderer,root);
overlay->enterLoop(imageManager,renderer);
//Now determine what the return value is (and if there is one).
if(objHandler.ret)
fileName=objHandler.fileName;
return objHandler.ret;
}
#endif
// A helper function to read a character from utf8 string
// s: the string
// p [in,out]: the position
// return value: the character readed, in utf32 format, 0 means end of string, -1 means error
int utf8ReadForward(const char* s, int& p) {
int ch = (unsigned char)s[p];
if (ch < 0x80){
if (ch) p++;
return ch;
} else if (ch < 0xC0){
// skip invalid characters
while (((unsigned char)s[p] & 0xC0) == 0x80) p++;
return -1;
} else if (ch < 0xE0){
int c2 = (unsigned char)s[++p];
if ((c2 & 0xC0) != 0x80) return -1;
ch = ((ch & 0x1F) << 6) | (c2 & 0x3F);
p++;
return ch;
} else if (ch < 0xF0){
int c2 = (unsigned char)s[++p];
if ((c2 & 0xC0) != 0x80) return -1;
int c3 = (unsigned char)s[++p];
if ((c3 & 0xC0) != 0x80) return -1;
ch = ((ch & 0xF) << 12) | ((c2 & 0x3F) << 6) | (c3 & 0x3F);
p++;
return ch;
} else if (ch < 0xF8){
int c2 = (unsigned char)s[++p];
if ((c2 & 0xC0) != 0x80) return -1;
int c3 = (unsigned char)s[++p];
if ((c3 & 0xC0) != 0x80) return -1;
int c4 = (unsigned char)s[++p];
if ((c4 & 0xC0) != 0x80) return -1;
ch = ((ch & 0x7) << 18) | ((c2 & 0x3F) << 12) | ((c3 & 0x3F) << 6) | (c4 & 0x3F);
if (ch >= 0x110000) ch = -1;
p++;
return ch;
} else {
p++;
return -1;
}
}
// A helper function to read a character backward from utf8 string (experimental)
// s: the string
// p [in,out]: the position
// return value: the character readed, in utf32 format, 0 means end of string, -1 means error
int utf8ReadBackward(const char* s, int& p) {
if (p <= 0) return 0;
do {
p--;
} while (p > 0 && ((unsigned char)s[p] & 0xC0) == 0x80);
int tmp = p;
return utf8ReadForward(s, tmp);
}
#ifndef WIN32
// ad-hoc function to check if a program is installed
static bool programExists(const std::string& program) {
std::string p = tfm::format("which \"%s\" 2>&1", program);
const int BUFSIZE = 128;
char buf[BUFSIZE];
FILE *fp;
if ((fp = popen(p.c_str(), "r")) == NULL) {
return false;
}
while (fgets(buf, BUFSIZE, fp) != NULL) {
// Drop all outputs since 'which' returns -1 when the program is not found
}
if (pclose(fp)) {
return false;
}
return true;
}
#endif
void openWebsite(const std::string& url) {
#ifdef WIN32
SDL_SysWMinfo info;
SDL_GetWindowWMInfo(sdlWindow,&info);
ShellExecuteA(info.info.win.window, "open", url.c_str(), NULL, NULL, SW_SHOW);
#else
static int method = -1;
// Some of these methods are copied from https://stackoverflow.com/questions/5116473/
const char* methods[] = {
"xdg-open", "xdg-open \"%s\"",
"gnome-open", "gnome-open \"%s\"",
"kde-open", "kde-open \"%s\"",
"open", "open \"%s\"",
"python", "python -m webbrowser \"%s\"",
"sensible-browser", "sensible-browser \"%s\"",
"x-www-browser", "x-www-browser \"%s\"",
NULL,
};
if (method < 0) {
for (method = 0; methods[method]; method += 2) {
if (programExists(methods[method])) break;
}
}
if (methods[method]) {
std::string p = tfm::format(methods[method + 1], url);
system(p.c_str());
} else {
fprintf(stderr, "TODO: openWebsite is not implemented on your system\n");
}
#endif
}
std::string appendURLToLicense(const std::string& license) {
// if the license doesn't include url, try to detect it from a predefined list
if (license.find("://") == std::string::npos) {
std::string normalized;
for (char c : license) {
if ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z')) {
normalized.push_back(c);
} else if (c >= 'a' && c <= 'z') {
normalized.push_back(c + ('A' - 'a'));
}
}
const char* licenses[] = {
// AGPL
"AGPL1", "AGPLV1", NULL, "http://www.affero.org/oagpl.html",
"AGPL2", "AGPLV2", NULL, "http://www.affero.org/agpl2.html",
"AGPL", NULL, "https://gnu.org/licenses/agpl.html",
// LGPL
"LGPL21", "LGPLV21", NULL, "https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html",
"LGPL2", "LGPLV2", NULL, "https://www.gnu.org/licenses/old-licenses/lgpl-2.0.html",
"LGPL", NULL, "https://www.gnu.org/copyleft/lesser.html",
// GPL
"GPL1", "GPLV1", NULL, "https://www.gnu.org/licenses/old-licenses/gpl-1.0.html",
"GPL2", "GPLV2", NULL, "https://www.gnu.org/licenses/old-licenses/gpl-2.0.html",
"GPL", NULL, "https://gnu.org/licenses/gpl.html",
// CC BY-NC-ND
"CCBYNCND1", "CCBYNDNC1", NULL, "https://creativecommons.org/licenses/by-nd-nc/1.0",
"CCBYNCND25", "CCBYNDNC25", NULL, "https://creativecommons.org/licenses/by-nc-nd/2.5",
"CCBYNCND2", "CCBYNDNC2", NULL, "https://creativecommons.org/licenses/by-nc-nd/2.0",
"CCBYNCND3", "CCBYNDNC3", NULL, "https://creativecommons.org/licenses/by-nc-nd/3.0",
"CCBYNCND", "CCBYNDNC", NULL, "https://creativecommons.org/licenses/by-nc-nd/4.0",
// CC BY-NC-SA
"CCBYNCSA1", NULL, "https://creativecommons.org/licenses/by-nc-sa/1.0",
"CCBYNCSA25", NULL, "https://creativecommons.org/licenses/by-nc-sa/2.5",
"CCBYNCSA2", NULL, "https://creativecommons.org/licenses/by-nc-sa/2.0",
"CCBYNCSA3", NULL, "https://creativecommons.org/licenses/by-nc-sa/3.0",
"CCBYNCSA", NULL, "https://creativecommons.org/licenses/by-nc-sa/4.0",
// CC BY-ND
"CCBYND1", NULL, "https://creativecommons.org/licenses/by-nd/1.0",
"CCBYND25", NULL, "https://creativecommons.org/licenses/by-nd/2.5",
"CCBYND2", NULL, "https://creativecommons.org/licenses/by-nd/2.0",
"CCBYND3", NULL, "https://creativecommons.org/licenses/by-nd/3.0",
"CCBYND", NULL, "https://creativecommons.org/licenses/by-nd/4.0",
// CC BY-NC
"CCBYNC1", NULL, "https://creativecommons.org/licenses/by-nc/1.0",
"CCBYNC25", NULL, "https://creativecommons.org/licenses/by-nc/2.5",
"CCBYNC2", NULL, "https://creativecommons.org/licenses/by-nc/2.0",
"CCBYNC3", NULL, "https://creativecommons.org/licenses/by-nc/3.0",
"CCBYNC", NULL, "https://creativecommons.org/licenses/by-nc/4.0",
// CC BY-SA
"CCBYSA1", NULL, "https://creativecommons.org/licenses/by-sa/1.0",
"CCBYSA25", NULL, "https://creativecommons.org/licenses/by-sa/2.5",
"CCBYSA2", NULL, "https://creativecommons.org/licenses/by-sa/2.0",
"CCBYSA3", NULL, "https://creativecommons.org/licenses/by-sa/3.0",
"CCBYSA", NULL, "https://creativecommons.org/licenses/by-sa/4.0",
// CC BY
"CCBY1", NULL, "https://creativecommons.org/licenses/by/1.0",
"CCBY25", NULL, "https://creativecommons.org/licenses/by/2.5",
"CCBY2", NULL, "https://creativecommons.org/licenses/by/2.0",
"CCBY3", NULL, "https://creativecommons.org/licenses/by/3.0",
"CCBY", NULL, "https://creativecommons.org/licenses/by/4.0",
// CC0
"CC0", NULL, "https://creativecommons.org/publicdomain/zero/1.0",
// WTFPL
"WTFPL", NULL, "http://www.wtfpl.net/",
// end
NULL,
};
for (int i = 0; licenses[i]; i++) {
bool found = false;
for (; licenses[i]; i++) {
if (normalized.find(licenses[i]) != std::string::npos) found = true;
}
i++;
if (found) {
return license + tfm::format(" <%s>", licenses[i]);
}
}
}
return license;
}
+
+int getKeyboardRepeatDelay() {
+ static int ret = -1;
+
+ if (ret < 0) {
+#ifdef WIN32
+ int i = 0;
+ SystemParametersInfoW(SPI_GETKEYBOARDDELAY, 0, &i, 0);
+ // NOTE: these weird numbers are derived from Microsoft's documentation explaining the return value of SystemParametersInfo.
+ i = clamp(i, 0, 3);
+ ret = (i + 1) * 10;
+#else
+ // TODO: platform-dependent code
+ // Assume it's 250ms, i.e. 10 frames
+ ret = 10;
+#endif
+ // Debug
+#ifdef _DEBUG
+ printf("getKeyboardRepeatDelay() = %d\n", ret);
+#endif
+ }
+
+ return ret;
+}
+
+int getKeyboardRepeatInterval() {
+ static int ret = -1;
+
+ if (ret < 0) {
+#ifdef WIN32
+ int i = 0;
+ SystemParametersInfoW(SPI_GETKEYBOARDSPEED, 0, &i, 0);
+ // NOTE: these weird numbers are derived from Microsoft's documentation explaining the return value of SystemParametersInfo.
+ i = clamp(i, 0, 31);
+ ret = (int)floor(40.0f / (2.5f + 0.887097f * (float)i) + 0.5f);
+#else
+ // TODO: platform-dependent code
+ // Assume it's 25ms, i.e. 1 frame
+ ret = 1;
+#endif
+ // Debug
+#ifdef _DEBUG
+ printf("getKeyboardRepeatInterval() = %d\n", ret);
+#endif
+ }
+
+ return ret;
+}
diff --git a/src/Functions.h b/src/Functions.h
index fd77683..b9061ad 100644
--- a/src/Functions.h
+++ b/src/Functions.h
@@ -1,292 +1,298 @@
/*
* 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/>.
*/
#ifndef FUNCTIONS_H
#define FUNCTIONS_H
#include "Settings.h"
#include "Globals.h"
#include <SDL.h>
#include <string>
#include <vector>
class MusicManager;
class SoundManager;
//gettext function
//message: The message to translate.
//Returns: The translated string or the original string if there is not translation available.
#define _(message) (dictionaryManager!=NULL?dictionaryManager->get_dictionary().translate(message).c_str():std::string(message).c_str())
//gettext function
//NOTE: "_C" is conflict to some Android macros so we change its name.
//dictionaryManager: Pointer to the dictionaryManager to use for the translation.
//message: The message to translate.
//Returns: The translated string or the original string if there is not translation available.
#define _CC(dictionaryManager, message) ((dictionaryManager)!=NULL?(dictionaryManager)->get_dictionary().translate(message).c_str():std::string(message).c_str())
//dummy function for xgettext
//message: The message to translate.
//Returns: message parameter
#define __(message) (message)
class ImageManager;
struct SDL_Texture;
class LevelPackManager;
//Method for drawing an SDL_Surface onto another.
//x: The x location to draw the source on the desination.
//y: The y location to draw the source on the desination.
//source: The SDL_Surface to draw.
//dest: The SDL_Surface to draw on.
//clip: Rectangle which part of the source should be drawn.
void applySurface(int x,int y,SDL_Surface* source,SDL_Surface* dest,SDL_Rect* clip);
//Method used to draw an rectangle.
//x: The top left x location of the rectangle.
//y: The top left y location of the rectangle.
//w: The width of the rectangle,
//h: The height of the rectangle.
//dest: The SDL_Surface to draw on.
//color: The color of the rectangle border to draw.
void drawRect(int x, int y, int w, int h, SDL_Renderer &renderer, Uint32 color=0);
//Method used to draw filled boxes with an anti-alliased border.
//Mostly used for GUI components.
//x: The top left x location of the box.
//y: The top left y location of the box.
//w: The width of the box,
//h: The height of the box.
//renderer: The SDL_Renderer to render on..
//color: The color of the rectangle background to draw.
void drawGUIBox(int x,int y,int w,int h,SDL_Renderer& renderer,Uint32 color);
//Method used to draw a line.
//x1: The x location of the start point.
//y1: The y location of the start point.
//x2: The x location of the end point.
//y2: The y location of the end point.
//dest: The SDL_Surface to draw on.
//color: The color of the line to draw.
void drawLine(int x1,int y1,int x2,int y2,SDL_Renderer &renderer,Uint32 color=0);
//Method used to draw a line with some arrows on it.
//x1: The x location of the start point.
//y1: The y location of the start point.
//x2: The x location of the end point.
//y2: The y location of the end point.
//dest: The SDL_Surface to draw on.
//color: The color of the line to draw.
//spacing: The spacing between arrows.
//offset: Offset of first arrow relative to the start point.
//xize, ysize: The size of arrow.
void drawLineWithArrow(int x1, int y1, int x2, int y2, SDL_Renderer &renderer, Uint32 color=0, int spacing=16, int offset=0, int xsize=5, int ysize=5);
//Method that will load the fonts needed for the game.
//NOTE: It's separate from loadFiles(), since it might get called separatly from the code when changing the language.
bool loadFonts();
//Method that will load the default theme again.
//name: name of the theme to load or empty for scaling background
//NOTE: It's separate from loadFiles(), since it might get called separatly from the code when changing resolution.
bool loadTheme(ImageManager& imageManager, SDL_Renderer& renderer, std::string name);
struct ScreenData{
SDL_Renderer* renderer;
explicit operator bool() const {
return renderer!=nullptr;
}
};
//This method will attempt to create the screen/window.
//NOTE: It's separate from init(), since it might get called separatly from the code when changing resolution.
ScreenData createScreen();
//A very simple structure for resolutions.
struct _res{
int w,h;
};
//Method for retrieving a list of resolutions.
std::vector<_res> getResolutionList();
//Method that is called when a fullscreen window is created.
//It will choose the resolution that is closest to the configured one.
void pickFullscreenResolution();
//This method is used to configure the window that is created by createScreen.
//NOTE: It will do it in a WM specific way, so if the wm is unkown it will do nothing.
void configureWindow();
//Call this method when receive SDL_VIDEORESIZE event.
void onVideoResize(ImageManager &imageManager, SDL_Renderer& renderer);
//Initialises the game. This is done almost at the beginning of the program.
//It initialises: SDL, SDL_Mixer, SDL_ttf, the screen and the block types.
//Returns: True if everything goes well.
ScreenData init();
//Loads some important files, like the background music and the default theme.
//Returns: True if everything goes well.
bool loadFiles(ImageManager &imageManager, SDL_Renderer &renderer);
//This method will load the settings from the settings file.
//Returns: False if there's an error while loading.
bool loadSettings();
//This method will save the settings to the settings file.
//Returns: False if there's an error while saving.
bool saveSettings();
//Method used to get a pointer to the settings object.
//Returns: A pointer to the settings object.
Settings* getSettings();
//Method used to get a pointer to the MusicManager object.
//Returns: A pointer to the MusicManager object.
MusicManager* getMusicManager();
//Method used to get a pointer to the SoundManager object.
//Returns: A pointer to the SoundManager object.
SoundManager* getSoundManager();
//Method used to get a pointer to the LevelPackManager object.
//Returns: A pointer to the LevelPackManager object.
LevelPackManager* getLevelPackManager();
//Method that will, depending on the rendering backend, draw the screen surface to the screen.
void flipScreen(SDL_Renderer& renderer);
//Method used to clean up before quiting meandmyshadow.
void clean();
//Sets what the nextState will be.
//newstate: Integer containing the id of the newstate.
void setNextState(int newstate);
//Method that will perform the state change.
//It will fade out (but not fade in).
void changeState(ImageManager &imageManager, SDL_Renderer &renderer, int fade = 255);
//This method is called when music is stopped.
//NOTE: This method is outside the MusicManager because it can't be called otherwise by SDL_Mixer.
//Do not call this method anywhere in the code!
void musicStoppedHook();
//This method is called when a sfx finished playing.
//NOTE: This method is outside the SoundManager because it can't be called otherwise by SDL_Mixer.
//Do not call this method anywhere in the code!
//channel: The number of the channel that is finished.
void channelFinishedHook(int channel);
//Checks collision between two SDL_Rects.
//a: The first rectangle.
//b: The second rectangle.
//Returns: True if the two rectangles collide.
bool checkCollision(const SDL_Rect& a,const SDL_Rect& b);
//Parse the commandline arguments.
//argc: Integer containing the number of aruguments there are.
//argv: The arguments.
//Returns: -1 if something goes wrong while parsing,
// 0 if version is shown,
// 1 if everything is alright
int parseArguments(int argc, char** argv);
//From http://en.wikipedia.org/wiki/Clamping_(graphics)
//x: The value to clamp.
//min: The minimum x can be.
//max: The maximum x can be.
//Returns: Integer containing the clamped value.
int inline clamp(int x,int min,int max){
return (x>max)?max:(x<min)?min:x;
}
//Enumeration containing the different messagebox button combinations.
enum msgBoxButtons{
//Only one button with the text OK.
MsgBoxOKOnly=0,
//Two buttons, one saying OK, the other Cancel.
MsgBoxOKCancel=1,
//Three buttons, Abort, Retry, Ignore.
MsgBoxAbortRetryIgnore=2,
//Three buttons, Yes, No or Cancel.
MsgBoxYesNoCancel=3,
//Two buttons, one saying Yes, the other No.
MsgBoxYesNo=4,
//Two buttons, one saying Retry, the other Cancel.
MsgBoxRetryCancel=5,
};
//Enumeration containing the different result that can be retrieved from a messagebox.
//It represents the button that has been pressed.
enum msgBoxResult{
//The OK button.
MsgBoxOK=1,
//The cancel button.
MsgBoxCancel=2,
//The abort button.
MsgBoxAbort=3,
//The retry button.
MsgBoxRetry=4,
//The ignore button.
MsgBoxIgnore=5,
//The yes button.
MsgBoxYes=6,
//The no button.
MsgBoxNo=7,
};
//Method that prompts the user with a notification and/or question.
//prompt: The message the user is prompted with.
//buttons: Which buttons the messagebox should have.
//title: The title of the message box.
//Returns: A msgBoxResult which button has been pressed.
msgBoxResult msgBox(ImageManager& imageManager,SDL_Renderer& renderer, std::string prompt,msgBoxButtons buttons,const std::string& title);
//This method will show a file dialog in which the user can select a file.
//NOTE: It doesn't support entering folders.
//fileName: String that will contain the result, it can also be used to already chose the file.
//title: The title of the fileDialog window.
//extension: The extension the files must have, leave empty for all files.
//path: The path to list the files of.
//isSave: If the dialog is for saving files, and not loading.
//verifyFile: Boolean if the selected should be verified.
//files: Boolean if the fileDialog should display files, if not it will display directories.
//bool fileDialog(ImageManager& imageManager, SDL_Renderer& renderer, std::string& fileName, const char* title=NULL, const char* extension=NULL, const char* path=NULL, bool isSave=false, bool verifyFile=false, bool files=true);
// A helper function to read a character from utf8 string
// s: the string
// p [in,out]: the position
// return value: the character readed, in utf32 format, 0 means end of string, -1 means error
int utf8ReadForward(const char* s, int& p);
// A helper function to read a character backward from utf8 string (experimental)
// s: the string
// p [in,out]: the position
// return value: the character readed, in utf32 format, 0 means end of string, -1 means error
int utf8ReadBackward(const char* s, int& p);
// Open the website using default web browser.
// url: The url of the website. Currently only http and https are supported.
// Also we assume that the url only contains ASCII characters.
// WARNING: Passing other url may result in arbitrary behavior (esp. passing '*.exe' on Windows).
void openWebsite(const std::string& url);
// Append a URL to a license if the license doesn't include URL (try to detect it from a predefined list).
// license: The license.
// Return value: The license appended with a URL if we detect the license successfully.
std::string appendURLToLicense(const std::string& license);
+// Retrieves the (approximate) keyboard repeat delay time, in frames (NOTE: frame rate is hardcoded as 40).
+int getKeyboardRepeatDelay();
+
+// Retrieves the (approximate) keyboard repeat interval time, in frames (NOTE: frame rate is hardcoded as 40).
+int getKeyboardRepeatInterval();
+
#endif
diff --git a/src/GUIObject.cpp b/src/GUIObject.cpp
index 235514f..1033fd0 100644
--- a/src/GUIObject.cpp
+++ b/src/GUIObject.cpp
@@ -1,1184 +1,1206 @@
/*
* 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;
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 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 ed0f3b1..df36c8d 100644
--- a/src/GUIObject.h
+++ b/src/GUIObject.h
@@ -1,380 +1,386 @@
/*
* 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;
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 89c1821..e7faec2 100644
--- a/src/GUISpinBox.cpp
+++ b/src/GUISpinBox.cpp
@@ -1,354 +1,199 @@
/*
* 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>
-#include <SDL_ttf.h>
-bool GUISpinBox::handleEvents(SDL_Renderer&,int x,int y,bool enabled,bool visible,bool processed){
+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){
+ 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;
-
- //Check if the key is supported.
- if(key>=32&&key<=126){
- //Add the key to the text after the carrot.
- caption.insert((size_t)value,1,char(key));
- value=clamp(value+1,0,caption.length());
-
- //If there is an event callback then call it.
- if(eventCallback){
- GUIEvent e={eventCallback,name,this,GUIEventChange};
- GUIEventQueue.push_back(e);
- }
- }else if(event.key.keysym.sym==SDLK_BACKSPACE){
- //We need to remove a character so first make sure that there is text.
- if(caption.length()>0&&value>0){
- //Remove the character before the carrot.
- value=clamp(value-1,0,caption.length());
- caption.erase((size_t)value,1);
-
- //If there is an event callback then call it.
- if(eventCallback){
- GUIEvent e={eventCallback,name,this,GUIEventChange};
- GUIEventQueue.push_back(e);
- }
- }
- }else if(event.key.keysym.sym==SDLK_DELETE){
- //We need to remove a character so first make sure that there is text.
- if(caption.length()>0){
- //Remove the character after the carrot.
- value=clamp(value,0,caption.length());
- caption.erase((size_t)value,1);
-
- //If there is an event callback then call it.
- if(eventCallback){
- GUIEvent e={eventCallback,name,this,GUIEventChange};
- GUIEventQueue.push_back(e);
- }
- }
- }else if(event.key.keysym.sym==SDLK_RIGHT){
- value=clamp(value+1,0,caption.length());
- }else if(event.key.keysym.sym==SDLK_LEFT){
- value=clamp(value-1,0,caption.length());
- }
-
- //The event has been processed.
- b=true;
+ if (state == 2 && event.type == SDL_KEYDOWN && !b) {
+ if (event.key.keysym.sym == SDLK_UP) {
+ updateValue(true);
+ } else if (event.key.keysym.sym == SDLK_DOWN) {
+ updateValue(false);
+ }
}
-
+
//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 GUIObject.
+ //Check if the mouse is inside the text box.
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.
- if (i < x + width - 16)
- currentCursor = CURSOR_CARROT;
-
- //Check for a mouse button press.
- if (k&SDL_BUTTON(1)){
- //We have focus.
- state = 2;
+ //Check if the mouse is inside the up/down button.
+ if (i >= x + width - 16) {
+ //Reset the cursor back to normal.
+ currentCursor = CURSOR_POINTER;
- //Handle buttons.
- if (i > x + width - 16){
+ //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 = 5;
+ keyTime = getKeyboardRepeatDelay();
//Update once to prevent a lag.
updateValue(true);
} else{
//Set the key values correct.
this->key = SDLK_DOWN;
keyHoldTime = 0;
- keyTime = 5;
+ keyTime = getKeyboardRepeatDelay();
//Update once to prevent a lag.
updateValue(false);
}
- } else{
- //Move caret to the place clicked
- int click = i - x;
-
- if (!cacheTex){
- value = 0;
- } else if (click > textureWidth(*cacheTex)){
- value = caption.length();
- } else{
- unsigned int wid = 0;
- for (unsigned int i = 0; i < caption.length(); i++){
- int advance;
- TTF_GlyphMetrics(fontText, caption[i], NULL, NULL, NULL, NULL, &advance);
- wid += advance;
-
- if (click < (int)wid - (int)advance / 2){
- value = i;
- break;
- }
- }
- }
}
}
//Allow mouse wheel to change value.
if (event.type == SDL_MOUSEWHEEL){
if (event.wheel.y > 0){
updateValue(true);
} else if (event.wheel.y < 0){
updateValue(false);
}
}
- } else{
- //The mouse is outside the TextBox.
- //If we don't have focus but only hover we lose it.
- if (state == 1){
- state = 0;
- update();
- }
-
- //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;
- update();
- }
}
}
+
+ //Validate the input when we lost focus.
+ if (oldState == 2 && state == 0){
+ update();
+ }
}
-
- return b;
+
+ 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--;
- if(keyTime<1)
- keyTime=1;
+ 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)
+ if(!visible || !draw)
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;
- }
-
- 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 a background box.
- const Uint32 color=0xFFFFFF00|clr;
- drawGUIBox(x,y,width,height,renderer,color);
-
- SDL_Rect srcRect={80,0,16,16};
- //Draw arrow buttons.
- SDL_Rect dstRect = {x+width-18, y+1, srcRect.w, srcRect.h};
- SDL_RenderCopy(&renderer, bmGuiTex.get(), &srcRect, &dstRect);
+ //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);
- }
-
- if(!caption.empty()){
- //Update graphic cache if empty.
- if(!cacheTex){
- cacheTex=textureFromText(renderer,*fontText,caption.c_str(),objThemes.getTextColor(true));
- }
-
- //Cache the render color
- Uint8 r,g,b,a;
- SDL_GetRenderDrawColor(&renderer, &r,&g,&b,&a);
- //Set it to black for drawing the caret.
- SDL_SetRenderDrawColor(&renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
-
- if(draw){
- const SDL_Rect srcRect={0,0,width-2,25};
- SDL_Rect dstRect = rectFromTexture(x+2,
- y+(height-textureHeight(*cacheTex))/2,
- *cacheTex);
- dstRect.w = std::min(dstRect.w, width - 4);
- SDL_RenderCopy(&renderer, cacheTex.get(), &srcRect, &dstRect);
-
- //Only draw the caret when focus.
- if(state==2){
- SDL_Rect caretRect{x, y+4, 2, height-8};
-
- int advance;
- for(int n=0;n<value;n++){
- TTF_GlyphMetrics(fontText,caption[n],NULL,NULL,NULL,NULL,&advance);
- caretRect.x+=advance;
- }
-
- //Make sure that the carrot is inside the textbox.
- if(caretRect.x<x+width) {
- //Draw a box representing the caret.
- SDL_RenderFillRect(&renderer, &caretRect);
- }
- }
-
- }else{
- //Only draw the caret when focus.
- if(state==2&&draw){
- const SDL_Rect caretRect{x+4, y+4, 2, height-8};
- SDL_RenderFillRect(&renderer, &caretRect);
- }
- }
- //Reset the render color.
- SDL_SetRenderDrawColor(&renderer, r, g, b, a);
- }
+ 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[32];
- sprintf(str,format,number);
- caption=str;
+ 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[32];
- sprintf(str,format,number);
- caption=str;
-
- // restrict the caret position
- value = clamp(value, 0, caption.length());
+ char str[128];
+ sprintf(str,format.c_str(),number);
+ updateText(str);
}
diff --git a/src/GUISpinBox.h b/src/GUISpinBox.h
index 2aaea9f..2bbf0e8 100644
--- a/src/GUISpinBox.h
+++ b/src/GUISpinBox.h
@@ -1,70 +1,70 @@
/*
* 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 GUISPINBOX_H
#define GUISPINBOX_H
#include "GUIObject.h"
-class GUISpinBox:public GUIObject{
+class GUISpinBox:public GUITextBox{
public:
GUISpinBox(ImageManager& imageManager,SDL_Renderer& renderer,int left=0,int top=0,int width=0,int height=0,
bool enabled=true,bool visible=true):
- GUIObject(imageManager,renderer,left,top,width,height,NULL,0,enabled,visible),
- change(1.0f),limitMax(100),limitMin(-100),format("%-.2f"),
+ GUITextBox(imageManager,renderer,left,top,width,height,NULL,0,enabled,visible),
+ change(1.0f),limitMax(100),limitMin(-100),format("%g"),
key(-1),keyHoldTime(0),keyTime(0){}
//Amount of single change.
float change;
//Widget's value stays between these values.
float limitMax,limitMin;
//Standard C printf format used for displaying the number.
- const char* format;
+ std::string format;
//Method to update widget's value.
void update();
//Method to change widget's value.
//positive: Boolean if add or remove change.
void updateValue(bool positive);
//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);
+ virtual bool handleEvents(SDL_Renderer&,int x=0,int y=0,bool enabled=true,bool visible=true,bool processed=false) override;
//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)
- virtual void render(SDL_Renderer& renderer, int x=0,int y=0,bool draw=true);
+ virtual void render(SDL_Renderer& renderer, int x=0,int y=0,bool draw=true) override;
private:
//Integer containing the key that is holded.
int key;
//Integer containing the time the key is pressed.
int keyHoldTime;
//The time it takes to invoke the key action again.
int keyTime;
};
#endif

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