mousekeyevent.cpp

一大堆的qt程序,在qte2.3.7下全部可以很好地运行

#include "mousekeyevent.h"

MouseKeyEvent::MouseKeyEvent(QWidget *parent,const char *name)
		:QWidget(parent,name)
{
	setCaption("key and mouse");
	setBackgroundColor(white);

	label = new QLabel("Wellcome",this);
	label->setBackgroundColor(green);
	QFont f("Helvetica",16);
	label->setFont(f);
	label->setGeometry(10,70,200,100);
	label->setAlignment(AlignVCenter | AlignHCenter);
}

void MouseKeyEvent::mousePressEvent(QMouseEvent *f)
{
	switch(f->button())
	{
		case LeftButton:
			label->clear();
			label->setText("Mouse:LeftButton Pressed!");
			break;
		case RightButton:
			label->setText("Mouse:RightButton Pressed!");
			break;
		case MidButton:
			label->setText("Mouse:MidButton Pressed!");
			break;
		default:
			label->setText("Mouse:Undefined Pressed!");
			break;
	}
}

void MouseKeyEvent::mouseMoveEvent(QMouseEvent *e)
{
	QString str = QString("X:");
	QString ps = "";
	ps = ps.setNum(e->x());
	str+=ps;
	str+="  Y:";
	ps = "";
	ps=ps.setNum(e->y());
	str+=ps;
	label->clear();
	label->setText(str);
}

void MouseKeyEvent::keyPressEvent(QKeyEvent *e)
{
	switch(e->key())
	{
		case Key_Escape:
//			label->clear();
			label->setText("Key:Esc Pressed!");
			break;
		case Key_A:
			label->clear();
			label->setText("Key:A Pressed!");
			break;
		case Key_B:
			label->clear();
			label->setText("Key:B Pressed!");
			break;
		default:
			label->clear();
			label->setText("Unkown key Pressed!");
			break;
	}
}