Esempio n. 1
0
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;
}
Esempio n. 2
0
void
KColorDialog::mouseMoveEvent(QMouseEvent *e)
{
    if (d->bColorPicking) {
        d->_setColor(grabColor(e->globalPos()));
        return;
    }

    QWidget::mouseMoveEvent(e);
}
Esempio n. 3
0
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);
}
Esempio n. 4
0
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);
}
Esempio n. 5
0
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 );
}
Esempio n. 6
0
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);
}