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/********************************************************************************
* *
* C o l o r L i s t W i d g e t *
* *
*********************************************************************************
* Copyright (C) 2005,2022 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 "FXColors.h"
#include "FXSize.h"
#include "FXPoint.h"
#include "FXObjectList.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 "FXFont.h"
#include "FXIcon.h"
#include "FXScrollBar.h"
#include "FXColorList.h"
/*
Notes:
*/
#define ICON_SPACING 4 // Spacing between icon and label
#define SIDE_SPACING 6 // Left or right spacing between items
#define LINE_SPACING 4 // Line spacing between items
#define SWATCH_WIDTH 24 // Swatch size
#define SWATCH_HEIGHT 12
using namespace FX;
/*******************************************************************************/
namespace FX {
// Object implementation
FXIMPLEMENT(FXColorItem,FXListItem,nullptr,0)
// Draw item
void FXColorItem::draw(const FXList* list,FXDC& dc,FXint xx,FXint yy,FXint ww,FXint hh) const {
FXFont *font=list->getFont();
FXint th=0;
if(!label.empty()) th=font->getFontHeight();
if(isSelected())
dc.setForeground(list->getSelBackColor());
else
dc.setForeground(list->getBackColor());
dc.fillRectangle(xx,yy,ww,hh);
if(hasFocus()){
dc.drawFocusRectangle(xx+1,yy+1,ww-2,hh-2);
}
xx+=SIDE_SPACING/2;
dc.setForeground(color);
dc.fillRectangle(xx,yy+(hh-SWATCH_HEIGHT)/2,SWATCH_WIDTH,SWATCH_HEIGHT);
dc.setForeground(FXRGB(0,0,0));
dc.drawRectangle(xx,yy+(hh-SWATCH_HEIGHT)/2,SWATCH_WIDTH,SWATCH_HEIGHT);
xx+=ICON_SPACING+SWATCH_WIDTH;
if(!label.empty()){
dc.setFont(font);
if(!isEnabled())
dc.setForeground(makeShadowColor(list->getBackColor()));
else if(isSelected())
dc.setForeground(list->getSelTextColor());
else
dc.setForeground(list->getTextColor());
dc.drawText(xx,yy+(hh-th)/2+font->getFontAscent(),label);
}
}
// See if item got hit, and where: 0 is outside, 1 is icon, 2 is text
FXint FXColorItem::hitItem(const FXList* list,FXint xx,FXint yy) const {
FXint tw=0,th=0,ix,iy,tx,ty,h;
FXFont *font=list->getFont();
if(!label.empty()){
tw=4+font->getTextWidth(label);
th=4+font->getFontHeight();
}
h=LINE_SPACING+FXMAX(th,SWATCH_HEIGHT);
ix=SIDE_SPACING/2;
tx=SIDE_SPACING/2+SWATCH_WIDTH+ICON_SPACING;
iy=(h-SWATCH_HEIGHT)/2;
ty=(h-th)/2;
// In icon?
if(ix<=xx && iy<=yy && xx<ix+SWATCH_WIDTH && yy<iy+SWATCH_HEIGHT) return 1;
// In text?
if(tx<=xx && ty<=yy && xx<tx+tw && yy<ty+th) return 2;
// Outside
return 0;
}
// Get width of item
FXint FXColorItem::getWidth(const FXList* list) const {
FXFont *font=list->getFont();
FXint w=SWATCH_WIDTH;
if(!label.empty()) w+=ICON_SPACING+font->getTextWidth(label);
return SIDE_SPACING+w;
}
// Get height of item
FXint FXColorItem::getHeight(const FXList* list) const {
FXFont *font=list->getFont();
FXint h=0;
if(!label.empty()) h=font->getFontHeight();
return LINE_SPACING+FXMAX(h,SWATCH_HEIGHT);
}
/*******************************************************************************/
// Object implementation
FXIMPLEMENT(FXColorList,FXList,nullptr,0)
// List
FXColorList::FXColorList(FXComposite *p,FXObject* tgt,FXSelector sel,FXuint opts,FXint x,FXint y,FXint w,FXint h):FXList(p,tgt,sel,opts,x,y,w,h){
}
// Create custom item
FXListItem *FXColorList::createItem(const FXString& text,FXIcon*,void* ptr){
return new FXColorItem(text,FXRGB(0,0,0),ptr);
}
// Fill list by appending color items from array of strings and array of colors
FXint FXColorList::fillItems(const FXchar *const *strings,FXColor *colors,void* ptr,FXbool notify){
FXint n=0;
if(strings){
while(strings[n]){
appendItem(strings[n],colors[n],ptr,notify);
n++;
}
}
return n;
}
// Insert item at index with given text, color, and user-data pointer
FXint FXColorList::insertItem(FXint index,const FXString& text,FXColor color,void* ptr,FXbool notify){
FXint pos=FXList::insertItem(index,text,nullptr,ptr,notify);
setItemColor(pos,color);
return pos;
}
// Append new item with given text, color, and user-data pointer
FXint FXColorList::appendItem(const FXString& text,FXColor color,void* ptr,FXbool notify){
FXint pos=FXList::appendItem(text,nullptr,ptr,notify);
setItemColor(pos,color);
return pos;
}
// Prepend new item with given text, color, and user-data pointer
FXint FXColorList::prependItem(const FXString& text,FXColor color,void* ptr,FXbool notify){
FXint pos=FXList::prependItem(text,nullptr,ptr,notify);
setItemColor(pos,color);
return pos;
}
// Change item color
void FXColorList::setItemColor(FXint index,FXColor color){
if(index<0 || items.no()<=index){ fxerror("%s::setItemData: index out of range.\n",getClassName()); }
((FXColorItem*)items[index])->setColor(color);
}
// Return item color
FXColor FXColorList::getItemColor(FXint index) const {
if(index<0 || items.no()<=index){ fxerror("%s::getItemData: index out of range.\n",getClassName()); }
return ((FXColorItem*)items[index])->getColor();
}
}
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