From 2f9f59d7a33a7cfa5fe2127d726706f10842ca53 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Samuel=20R=C3=B8dal?= Date: Fri, 7 May 2010 12:03:12 +0200 Subject: Fixed source pixmap bug in widget graphics effect backend. The source pixmap shouldn't include the window background, as the graphics effect might then overwrite other widgets. Reviewed-by: Jens Bache-Wiig --- src/gui/kernel/qwidget.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp index be0a8a0..5d08d4b 100644 --- a/src/gui/kernel/qwidget.cpp +++ b/src/gui/kernel/qwidget.cpp @@ -5628,7 +5628,7 @@ QPixmap QWidgetEffectSourcePrivate::pixmap(Qt::CoordinateSystem system, QPoint * QPixmap pixmap(effectRect.size()); pixmap.fill(Qt::transparent); - m_widget->render(&pixmap, pixmapOffset); + m_widget->render(&pixmap, pixmapOffset, QRegion(), QWidget::DrawChildren); return pixmap; } #endif //QT_NO_GRAPHICSEFFECT -- cgit v0.12 ='/oss-git/Qt.git/'>Qt.git
Qt s a cross-platform application framework that is used for developing application software that can be run on various software and hardware platforms with little or no change in the underlying codebase, while still being a native application with native capabilities and speed.
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/****************************************************************************
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//! [0]
void MyWidget::wheelEvent(QWheelEvent *event)
{
    int numDegrees = event->delta() / 8;
    int numSteps = numDegrees / 15;

    if (event->orientation() == Qt::Horizontal) {
        scrollHorizontally(numSteps);
    } else {
        scrollVertically(numSteps);
    }
    event->accept();
}
//! [0]