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push_button.cpp
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push_button.cpp
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#include "push_button.h"
PushButton::PushButton(QWidget *parent)
:QPushButton(parent)
{
status = NORMAL;
mouse_press = false;
}
PushButton::~PushButton()
{
}
void PushButton::setPicName(QString pic_name)
{
this->pic_name = pic_name;
setFixedSize(QPixmap(pic_name).size());
}
void PushButton::enterEvent(QEvent *)
{
status = ENTER;
update();
}
void PushButton::mousePressEvent(QMouseEvent *event)
{
//若点击鼠标左键
if(event->button() == Qt::LeftButton)
{
mouse_press = true;
status = PRESS;
update();
}
}
void PushButton::mouseReleaseEvent(QMouseEvent *event)
{
//若点击鼠标左键
if(mouse_press && this->rect().contains(event->pos()))
{
mouse_press = false;
status = ENTER;
update();
emit clicked();
}
}
void PushButton::leaveEvent(QEvent *)
{
status = NORMAL;
update();
}
void PushButton::paintEvent(QPaintEvent *)
{
QPainter painter(this);
QPixmap pixmap;
switch(status)
{
case NORMAL:
{
pixmap.load(pic_name);
break;
}
case ENTER:
{
pixmap.load(pic_name + QString("_hover"));
break;
}
case PRESS:
{
pixmap.load(pic_name + QString("_pressed"));
break;
}
case NOSTATUS:
{
pixmap.load(pic_name);
break;
}
default:
pixmap.load(pic_name);
}
painter.drawPixmap(rect(), pixmap);
}