bool ScreenSelector::onMouseReleaseEvent(QMouseEvent *event)
{
if(event->button() == Qt::LeftButton && m_selectionInProgress == true ) {
release();
// Give the frame buffer time to clear the selector window before
// signaling the selection.
QTimer::singleShot(100, this, SLOT(grabColor()));
}
return true;
}
void
KColorDialog::mouseMoveEvent(QMouseEvent *e)
{
if (d->bColorPicking) {
d->_setColor(grabColor(e->globalPos()));
return;
}
QWidget::mouseMoveEvent(e);
}
void ColorPickerWidget::slotGetAverageColor()
{
disconnect(m_grabRectFrame, SIGNAL(getColor()), this, SLOT(slotGetAverageColor()));
m_grabRect = m_grabRect.normalized();
int numPixel = m_grabRect.width() * m_grabRect.height();
int sumR = 0;
int sumG = 0;
int sumB = 0;
// only show message for larger rects because of the overhead displayMessage creates
if (numPixel > 40000)
emit displayMessage(i18n("Requesting color information..."), 0);
/*
Only getting the image once for the whole rect
results in a vast speed improvement.
*/
#ifdef Q_WS_X11
Window root = RootWindow(QX11Info::display(), QX11Info::appScreen());
m_image = XGetImage(QX11Info::display(), root, m_grabRect.x(), m_grabRect.y(), m_grabRect.width(), m_grabRect.height(), -1, ZPixmap);
#else
QWidget *desktop = QApplication::desktop();
m_image = QPixmap::grabWindow(desktop->winId(), m_grabRect.x(), m_grabRect.y(), m_grabRect.width(), m_grabRect.height()).toImage();
#endif
for (int x = 0; x < m_grabRect.width(); ++x) {
for (int y = 0; y < m_grabRect.height(); ++y) {
QColor color = grabColor(QPoint(x, y), false);
sumR += color.red();
sumG += color.green();
sumB += color.blue();
}
// Warning: slows things down, so don't do it for every pixel (the inner for loop)
if (numPixel > 40000)
emit displayMessage(i18n("Requesting color information..."), (int)(x * m_grabRect.height() / (qreal)numPixel * 100));
}
#ifdef Q_WS_X11
XDestroyImage(m_image);
m_image = NULL;
#endif
if (numPixel > 40000)
emit displayMessage(i18n("Calculated average color for rectangle."), -1);
emit colorPicked(QColor(sumR / numPixel, sumG / numPixel, sumB / numPixel));
emit disableCurrentFilter(false);
}
void
KColorDialog::mouseReleaseEvent(QMouseEvent *e)
{
if (d->bColorPicking) {
d->bColorPicking = false;
/*#ifdef Q_WS_X11
kapp->removeX11EventFilter(d->filter);
delete d->filter; d->filter = 0;
#endif*/
releaseMouse();
releaseKeyboard();
d->_setColor(grabColor(e->globalPos()));
return;
}
QWidget::mouseReleaseEvent(e);
}
void
KColorDialog::mouseReleaseEvent( TQMouseEvent *e )
{
if (d->bColorPicking)
{
d->bColorPicking = false;
#ifdef Q_WS_X11
tqt_set_x11_event_filter(d->oldfilter);
d->oldfilter = 0;
#endif
releaseMouse();
releaseKeyboard();
_setColor( grabColor( e->globalPos() ) );
return;
}
KDialogBase::mouseReleaseEvent( e );
}
void ColorPickerWidget::mouseReleaseEvent(QMouseEvent *event)
{
if (m_filterActive) {
closeEventFilter();
m_grabRect.setWidth(event->globalX() - m_grabRect.x());
m_grabRect.setHeight(event->globalY() - m_grabRect.y());
if (m_grabRect.width() * m_grabRect.height() == 0) {
m_grabRectFrame->hide();
emit colorPicked(grabColor(event->globalPos()));
emit disableCurrentFilter(false);
} else {
// delay because m_grabRectFrame does not hide immediately
connect(m_grabRectFrame, SIGNAL(getColor()), this, SLOT(slotGetAverageColor()));
m_grabRectFrame->hide();
}
return;
}
QWidget::mouseReleaseEvent(event);
}
