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/********************************************************************************
* *
* P i c k e r B u t t o n *
* *
*********************************************************************************
* Copyright (C) 2001,2022 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* This library 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 Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/> *
********************************************************************************/
#include "xincs.h"
#include "fxver.h"
#include "fxdefs.h"
#include "fxmath.h"
#include "fxkeys.h"
#include "FXArray.h"
#include "FXHash.h"
#include "FXMutex.h"
#include "FXStream.h"
#include "FXString.h"
#include "FXSize.h"
#include "FXPoint.h"
#include "FXRectangle.h"
#include "FXStringDictionary.h"
#include "FXSettings.h"
#include "FXRegistry.h"
#include "FXEvent.h"
#include "FXWindow.h"
#include "FXDCWindow.h"
#include "FXApp.h"
#include "FXIcon.h"
#include "FXPicker.h"
/*
Notes:
- The SEL_COMMAND is generated when the mouse is released; this
is done so we won't report SEL_LEFTBUTTONRELEASE to the underlying
widget without a preceeding SEL_LEFTBUTTONPRESS.
*/
#define TOPIC_KEYBOARD 1009
using namespace FX;
/*******************************************************************************/
namespace FX {
// Map
FXDEFMAP(FXPicker) FXPickerMap[]={
FXMAPFUNC(SEL_MOTION,0,FXPicker::onMotion),
FXMAPFUNC(SEL_LEFTBUTTONPRESS,0,FXPicker::onLeftBtnPress),
FXMAPFUNC(SEL_LEFTBUTTONRELEASE,0,FXPicker::onLeftBtnRelease),
FXMAPFUNC(SEL_KEYPRESS,0,FXPicker::onKeyPress),
FXMAPFUNC(SEL_KEYRELEASE,0,FXPicker::onKeyRelease),
FXMAPFUNC(SEL_KEYPRESS,FXPicker::ID_HOTKEY,FXPicker::onHotKeyPress),
FXMAPFUNC(SEL_KEYRELEASE,FXPicker::ID_HOTKEY,FXPicker::onHotKeyRelease),
};
// Object implementation
FXIMPLEMENT(FXPicker,FXButton,FXPickerMap,ARRAYNUMBER(FXPickerMap))
// Deserialization
FXPicker::FXPicker(){
location.x=0;
location.y=0;
picked=false;
}
// Construct and init
FXPicker::FXPicker(FXComposite* p,const FXString& text,FXIcon* ic,FXObject* tgt,FXSelector sel,FXuint opts,FXint x,FXint y,FXint w,FXint h,FXint pl,FXint pr,FXint pt,FXint pb):FXButton(p,text,ic,tgt,sel,opts,x,y,w,h,pl,pr,pt,pb){
dragCursor=getApp()->getDefaultCursor(DEF_CROSSHAIR_CURSOR);
location.x=0;
location.y=0;
picked=false;
}
// Mouse moved
long FXPicker::onMotion(FXObject*,FXSelector,void* ptr){
if(state==STATE_DOWN && !picked){
location.x=((FXEvent*)ptr)->root_x;
location.y=((FXEvent*)ptr)->root_y;
if(target){ target->tryHandle(this,FXSEL(SEL_CHANGED,message),(void*)&location); }
return 1;
}
return 0;
}
// Pressed mouse button
long FXPicker::onLeftBtnPress(FXObject*,FXSelector,void* ptr){
handle(this,FXSEL(SEL_FOCUS_SELF,0),ptr);
flags&=~FLAG_TIP;
if(isEnabled() && !(flags&FLAG_PRESSED)){
flags|=FLAG_PRESSED;
if(state==STATE_UP){
grab();
setState(STATE_DOWN);
flags&=~FLAG_UPDATE;
picked=false;
}
else{
picked=true;
}
return 1;
}
return 0;
}
// Released mouse button
long FXPicker::onLeftBtnRelease(FXObject*,FXSelector,void*){
if(isEnabled() && (flags&FLAG_PRESSED)){
flags&=~FLAG_PRESSED;
if(state==STATE_DOWN && picked){
ungrab();
flags|=FLAG_UPDATE;
setState(STATE_UP);
picked=false;
if(target){ target->tryHandle(this,FXSEL(SEL_COMMAND,message),(void*)&location); }
}
return 1;
}
return 0;
}
// Key Press
long FXPicker::onKeyPress(FXObject*,FXSelector,void* ptr){
flags&=~FLAG_TIP;
if(isEnabled() && !(flags&FLAG_PRESSED)){
FXEvent* event=(FXEvent*)ptr;
FXTRACE((TOPIC_KEYBOARD,"%s::onKeyPress keysym=0x%04x state=%04x\n",getClassName(),event->code,event->state));
if((event->code==KEY_space || event->code==KEY_KP_Space) || (isDefault() && (event->code==KEY_Return || event->code==KEY_KP_Enter))){
flags|=FLAG_PRESSED;
if(state==STATE_UP){
grab();
setState(STATE_DOWN);
flags&=~FLAG_UPDATE;
picked=false;
}
else{
picked=true;
}
return 1;
}
}
return 0;
}
// Key Release
long FXPicker::onKeyRelease(FXObject*,FXSelector,void* ptr){
if(isEnabled() && (flags&FLAG_PRESSED)){
FXEvent* event=(FXEvent*)ptr;
FXTRACE((TOPIC_KEYBOARD,"%s::onKeyRelease keysym=0x%04x state=%04x\n",getClassName(),event->code,event->state));
if((event->code==KEY_space || event->code==KEY_KP_Space) || (isDefault() && (event->code==KEY_Return || event->code==KEY_KP_Enter))){
flags&=~FLAG_PRESSED;
if(state==STATE_DOWN && picked){
ungrab();
flags|=FLAG_UPDATE;
setState(STATE_UP);
picked=false;
if(target){ target->tryHandle(this,FXSEL(SEL_COMMAND,message),(void*)&location); }
}
return 1;
}
}
return 0;
}
// Hot key combination pressed
long FXPicker::onHotKeyPress(FXObject*,FXSelector,void* ptr){
flags&=~FLAG_TIP;
handle(this,FXSEL(SEL_FOCUS_SELF,0),ptr);
if(isEnabled() && !(flags&FLAG_PRESSED)){
flags|=FLAG_PRESSED;
if(state==STATE_UP){
grab();
setState(STATE_DOWN);
flags&=~FLAG_UPDATE;
picked=false;
}
else{
picked=true;
}
}
return 1;
}
// Hot key combination released
long FXPicker::onHotKeyRelease(FXObject*,FXSelector,void*){
if(isEnabled() && (flags&FLAG_PRESSED)){
flags&=~FLAG_PRESSED;
if(state==STATE_DOWN && picked){
ungrab();
flags|=FLAG_UPDATE;
setState(STATE_UP);
picked=false;
if(target){ target->tryHandle(this,FXSEL(SEL_COMMAND,message),(void*)&location); }
}
}
return 1;
}
}
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