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 68 行

#include "colordialog.h"

ColorDialog::ColorDialog(QWidget *parent,const char *name,bool isModal)
		:QDialog(parent,name,isModal)
{
	setCaption("Qt Colors");

	int width = 90;
	int height= 30;
	int x = 1;
	int y = 1;

	col = white;

	whiteButton = new QPushButton("white",this);
//	whiteButton->setFlat(TRUE);
	whiteButton->setBackgroundColor(white);

	redButton = new QPushButton("red",this);
//	redButton->setFlat(TRUE);
	redButton->setBackgroundColor(red);

	greenButton = new QPushButton("green",this);
	greenButton->setFlat(TRUE);
	greenButton->setBackgroundColor(green);

	blueButton = new QPushButton("blue",this);
	blueButton->setFlat(TRUE);
	blueButton->setBackgroundColor(blue);

	whiteButton->setGeometry(x,y,width,height);
	redButton->setGeometry(x,(y+height),width,height);
	greenButton->setGeometry(x,(y+height*2),width,height);
	blueButton->setGeometry(x,(y+height*3),width,height);

	connect(whiteButton,SIGNAL(pressed()),SLOT(chooseColor()));
	connect(redButton,SIGNAL(pressed()),SLOT(chooseColor()));
	connect(greenButton,SIGNAL(pressed()),SLOT(chooseColor()));
	connect(blueButton,SIGNAL(pressed()),SLOT(chooseColor()));
}

void ColorDialog::chooseColor()
{
	if(whiteButton->isDown())
	{
		col = white;
	}
	else    if(redButton->isDown())	
	      	{
			col = red;
		}
	else    if(greenButton->isDown())
		{
			col = green;
		}
	else	if(blueButton->isDown())
		{
			col = blue;
		}
	this->close();
}

QColor ColorDialog::color()
{
	return col;
}