colordialog.cpp

来自「一大堆的qt程序,在qte2.3.7下全部可以很好地运行」· C++ 代码 · 共 39 行

#include "colordialog.h"

ColorDialog::ColorDialog(QWidget *parent,const char *name, bool isModal)
		:QDialog(parent,name,isModal)
{
	redbutton = new QPushButton("red",this);
	greenbutton = new QPushButton("green",this);
	bluebutton = new QPushButton("blue",this);
	whitebutton = new QPushButton("white",this);
	
	connect(redbutton,SIGNAL(click()),SLOT(ChooseBackgroundColor()));
	connect(greenbutton,SIGNAL(click()),SLOT(ChooseBackgroundColor()));
	connect(bluebutton,SIGNAL(click()),SLOT(ChooseBackgroundColor()));
	connect(whitebutton,SIGNAL(click()),SLOT(ChooseBackgroundColor()));
}

void ChooseBackgroundColor()
{
	if(redbutton->isDown())
		col = red;
	else if(greenbutton->isDown())
	     {
		    col = green;
	     }
	else if(bluebutton->isDown())
	     {
		    col = blue;
	     }
	else if(whitebutton->isDown())
	     {
		    col = white;
	     }
}

void color()
{
	return col;
}