#include "button.h"
#include
#include
#include
Button::Button(QWidget *parent, Qt::WindowFlags f) :
QLabel(parent, f)
{
m_downPixmap = 0;
m_disabled = false;
}
Button::~Button()
{
}
void Button::disableBtn(bool b)
{
m_disabled = b;
if (m_disabled) {
setPixmap(m_downPixmap);
} else {
setPixmap(m_upPixmap);
}
}
void Button::mousePressEvent(QMouseEvent *event)
{
if (!m_disabled) {
event->accept();
setPixmap(m_downPixmap);
repaint();
// Lift button back to up after 300ms
QTimer::singleShot(300, this, SLOT(backToUp()));
}
}
void Button::backToUp()
{
setPixmap(m_upPixmap);
repaint();
emit pressed();
}
void Button::setPixmap(const QPixmap& p)
{
// Set up and down picture for the button
// Set pixmap
if (!p.isNull())
QLabel::setPixmap(p);
// Make down pixmap if it does not exists
if (m_downPixmap.isNull()) {
// Store up pixmap
m_upPixmap = *pixmap();
// Create down pixmap
// Make m_downPixmap as a transparent m_upPixmap
QPixmap transparent(m_upPixmap.size());
transparent.fill(Qt::transparent);
QPainter painter(&transparent);
painter.setCompositionMode(QPainter::CompositionMode_Source);
painter.drawPixmap(0, 0, m_upPixmap);
painter.setCompositionMode(QPainter::CompositionMode_DestinationIn);
painter.fillRect(transparent.rect(), QColor(0, 0, 0, 150));
painter.end();
m_downPixmap = transparent;
}
}