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diff --git a/src/GUIObject.cpp b/src/GUIObject.cpp
index ce7e50e..e10bf53 100644
--- a/src/GUIObject.cpp
+++ b/src/GUIObject.cpp
@@ -1,953 +1,964 @@
/*
* 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 <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(){
//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();
}
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;
}
}
//////////////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;
- //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);
+ //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;
}
-
- //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::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
}
-
- //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;
+
+ //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;
+
+ 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/GUIOverlay.cpp b/src/GUIOverlay.cpp
index c38165b..b2840c5 100644
--- a/src/GUIOverlay.cpp
+++ b/src/GUIOverlay.cpp
@@ -1,332 +1,340 @@
/*
* Copyright (C) 2012-2013 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 "Functions.h"
#include "GameState.h"
#include "Globals.h"
#include "GUIOverlay.h"
#include "InputManager.h"
#include "GUIObject.h"
#include "GUITextArea.h"
#include "GUISpinBox.h"
#include "GUIListBox.h"
//#include "StatisticsManager.h"
using namespace std;
GUIOverlay::GUIOverlay(SDL_Renderer& renderer, GUIObject* root,bool dim)
: root(root), dim(dim), keyboardNavigationMode(0)
{
//First keep the pointer to the current GUIObjectRoot and currentState.
parentState=currentState;
tempGUIObjectRoot=GUIObjectRoot;
//Now set the GUIObject root to the new root.
currentState=this;
GUIObjectRoot=root;
//Dim the background.
if(dim){
dimScreen(renderer);
}
}
GUIOverlay::~GUIOverlay(){
//We need to place everything back.
currentState=parentState;
parentState=NULL;
//Delete the GUI if present.
if(GUIObjectRoot)
delete GUIObjectRoot;
//Now put back the parent gui.
GUIObjectRoot=tempGUIObjectRoot;
tempGUIObjectRoot=NULL;
}
void GUIOverlay::enterLoop(ImageManager& imageManager, SDL_Renderer& renderer, bool skipByEscape, bool skipByReturn){
//Keep the last resize event, this is to only process one.
SDL_Event lastResize = {};
while (GUIObjectRoot){
while(SDL_PollEvent(&event)){
//Check for a resize event.
if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED) {
lastResize = event;
continue;
}
//Check if it's mouse event. If it's true then we quit the keyboard-only mode.
if (event.type == SDL_MOUSEMOTION || event.type == SDL_MOUSEBUTTONDOWN || event.type == SDL_MOUSEBUTTONUP) {
isKeyboardOnly = false;
}
//Set the cursor type to the default one, the GUI can change that if needed.
currentCursor = CURSOR_POINTER;
//Let the input manager handle the events.
inputMgr.updateState(true);
//Let the currentState handle the events. (???)
currentState->handleEvents(imageManager, renderer);
//Also pass the events to the GUI.
GUIObjectHandleEvents(imageManager, renderer, true);
//Also check for the escape/return button.
if ((skipByEscape && inputMgr.isKeyDownEvent(INPUTMGR_ESCAPE)) || (skipByReturn && inputMgr.isKeyDownEvent(INPUTMGR_SELECT))) {
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
}
//Process the resize event.
if (lastResize.type == SDL_WINDOWEVENT){
//TODO - used to be SDL_VIDEORESIZE
// so this may trigger on more events than intended
event = lastResize;
onVideoResize(imageManager, renderer);
//After resize we erase the event type
//TODO - used to be SDL_NOEVENT
lastResize.type = SDL_FIRSTEVENT;
}
//update input state (??)
inputMgr.updateState(false);
//Render the gui.
if(GUIObjectRoot)
GUIObjectRoot->render(renderer);
/*//draw new achievements (if any)
statsMgr.render();*/
//display it
flipScreen(renderer);
SDL_Delay(30);
}
//We broke out so clean up.
delete this;
}
// internal function which is used in keyboard only mode
static int getSelectedControl() {
if (GUIObjectRoot == NULL) return -1;
for (int i = 0; i < (int)GUIObjectRoot->childControls.size(); i++) {
GUIObject *obj = GUIObjectRoot->childControls[i];
if (obj && obj->visible && obj->enabled && obj->state) {
- if (dynamic_cast<GUIButton*>(obj)
+ if (dynamic_cast<GUIButton*>(obj) || dynamic_cast<GUICheckBox*>(obj)
|| dynamic_cast<GUITextBox*>(obj) || dynamic_cast<GUISpinBox*>(obj)
|| dynamic_cast<GUISingleLineListBox*>(obj)
)
{
return i;
}
}
}
return -1;
}
// internal function which is used in keyboard only mode
static void selectNextControl(int direction) {
if (GUIObjectRoot == NULL) return;
//Get the index of currently selected control.
int selected = getSelectedControl();
if (selected >= 0) GUIObjectRoot->childControls[selected]->state = 0;
//Find the next control.
for (int i = 0; i < (int)GUIObjectRoot->childControls.size(); i++) {
if (selected < 0) {
selected = 0;
} else {
selected += direction;
if (selected >= (int)GUIObjectRoot->childControls.size()) {
selected -= GUIObjectRoot->childControls.size();
} else if (selected < 0) {
selected += GUIObjectRoot->childControls.size();
}
}
GUIObject *obj = GUIObjectRoot->childControls[selected];
if (obj && obj->visible && obj->enabled) {
- if (dynamic_cast<GUIButton*>(obj)) {
+ if (dynamic_cast<GUIButton*>(obj) || dynamic_cast<GUICheckBox*>(obj)) {
//It's a button.
obj->state = 1;
return;
} else if (dynamic_cast<GUITextBox*>(obj) || dynamic_cast<GUISpinBox*>(obj)) {
//It's a text box.
obj->state = 2;
return;
} else if (dynamic_cast<GUISingleLineListBox*>(obj)) {
//It's a single line list box.
obj->state = 0x100;
return;
}
}
}
}
void GUIOverlay::handleEvents(ImageManager& imageManager, SDL_Renderer& renderer){
//Check if we need to quit, if so we enter the exit state.
if(event.type==SDL_QUIT){
setNextState(STATE_EXIT);
}
//Experimental code for keyboard navigation.
if (keyboardNavigationMode) {
//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 = GUIObjectRoot->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;
}
+ 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;
+ }
}
}
//Check left/right key.
if ((keyboardNavigationMode & 16) != 0 && (inputMgr.isKeyDownEvent(INPUTMGR_LEFT) || inputMgr.isKeyDownEvent(INPUTMGR_RIGHT))) {
int index = getSelectedControl();
if (index >= 0) {
GUIObject *obj = GUIObjectRoot->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;
}
}
}
}
//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);
} 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);
}
}
}
//Nothing to do here
void GUIOverlay::logic(ImageManager&, SDL_Renderer&){
//Check if the GUIObjectRoot (of the overlay) is deleted.
if(!GUIObjectRoot)
delete this;
}
void GUIOverlay::render(ImageManager&, SDL_Renderer&){}
void GUIOverlay::resize(ImageManager& imageManager, SDL_Renderer& renderer){
//We recenter the GUI.
GUIObjectRoot->left=(SCREEN_WIDTH-GUIObjectRoot->width)/2;
GUIObjectRoot->top=(SCREEN_HEIGHT-GUIObjectRoot->height)/2;
//Now let the parent state resize.
GUIObjectRoot=tempGUIObjectRoot;
parentState->resize(imageManager, renderer);
//NOTE: After the resize it's likely that the GUIObjectRoot is new so we need to update our tempGUIObjectRoot pointer.
tempGUIObjectRoot=GUIObjectRoot;
//Now render the parentState.
parentState->render(imageManager,renderer);
if(GUIObjectRoot)
GUIObjectRoot->render(renderer);
//And set the GUIObjectRoot back to the overlay gui.
GUIObjectRoot=root;
//Dim the background.
if(dim){
dimScreen(renderer);
}
}
AddonOverlay::AddonOverlay(SDL_Renderer &renderer, GUIObject* root, GUIButton *cancelButton, GUITextArea *textArea)
: GUIOverlay(renderer, root), cancelButton(cancelButton), textArea(textArea)
{
keyboardNavigationMode = 4 | 8 | 16;
}
void AddonOverlay::handleEvents(ImageManager& imageManager, SDL_Renderer& renderer) {
GUIOverlay::handleEvents(imageManager, renderer);
//Do our own stuff.
//Scroll the text area.
if (textArea) {
if (inputMgr.isKeyDownEvent(INPUTMGR_RIGHT)){
isKeyboardOnly = true;
textArea->scrollScrollbar(20, 0);
} else if (inputMgr.isKeyDownEvent(INPUTMGR_LEFT)){
isKeyboardOnly = true;
textArea->scrollScrollbar(-20, 0);
} else if (inputMgr.isKeyDownEvent(INPUTMGR_UP)){
isKeyboardOnly = true;
textArea->scrollScrollbar(0, -1);
} else if (inputMgr.isKeyDownEvent(INPUTMGR_DOWN)){
isKeyboardOnly = true;
textArea->scrollScrollbar(0, 1);
}
}
//Check escape key.
if (cancelButton && cancelButton->eventCallback && inputMgr.isKeyDownEvent(INPUTMGR_ESCAPE)){
cancelButton->eventCallback->GUIEventCallback_OnEvent(imageManager, renderer, cancelButton->name, cancelButton, GUIEventClick);
return;
}
}
diff --git a/src/GUISpinBox.cpp b/src/GUISpinBox.cpp
index 5e79de8..57238e0 100644
--- a/src/GUISpinBox.cpp
+++ b/src/GUISpinBox.cpp
@@ -1,351 +1,354 @@
/*
* 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){
//Boolean if the event is processed.
bool b=processed;
//The GUIObject is only enabled when he and his parent are enabled.
enabled=enabled && this->enabled;
//The GUIObject is only enabled when he and his parent are enabled.
visible=visible && this->visible;
//Get the absolute position.
x+=left-gravityX;
y+=top;
//Reset "key" to stop contant update of "number" in render().
//If the mouse is still on the button, the "key" will be reassigned later.
key=-1;
//Only check for events when the object is both enabled and visible.
if(enabled&&visible){
//Check if there's a key press and the event hasn't been already processed.
if(state==2 && event.type==SDL_KEYDOWN && !b){
//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;
}
- //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.
- 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;
-
- //Handle buttons.
- if(i>x+width-16){
- if(j<y+17){
- //Set the key values correct.
- this->key=SDLK_UP;
- keyHoldTime=0;
- keyTime=5;
-
- //Update once to prevent a lag.
- updateValue(true);
- }else{
- //Set the key values correct.
- this->key=SDLK_DOWN;
- keyHoldTime=0;
- keyTime=5;
-
- //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;
+ //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.
+ 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;
+
+ //Handle buttons.
+ if (i > x + width - 16){
+ if (j < y + 17){
+ //Set the key values correct.
+ this->key = SDLK_UP;
+ keyHoldTime = 0;
+ keyTime = 5;
+
+ //Update once to prevent a lag.
+ updateValue(true);
+ } else{
+ //Set the key values correct.
+ this->key = SDLK_DOWN;
+ keyHoldTime = 0;
+ keyTime = 5;
+
+ //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);
+
+ //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();
}
- }
- }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();
}
}
}
return b;
}
void GUISpinBox::render(SDL_Renderer &renderer, int x, int y, bool 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;
//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)
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);
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);
}
}
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;
}
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());
}

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