-void FileMetaDataToolTip::paintEvent(QPaintEvent* event)
-{
- Q_UNUSED(event);
-
- QPainter painter(this);
-
- QColor toColor = palette().brush(QPalette::ToolTipBase).color();
- QColor fromColor = KColorScheme::shade(toColor, KColorScheme::LightShade, 0.2);
-
- const bool haveAlphaChannel = KWindowSystem::compositingActive();
- if (haveAlphaChannel) {
- painter.setRenderHint(QPainter::Antialiasing);
- painter.translate(0.5, 0.5);
- toColor.setAlpha(220);
- fromColor.setAlpha(220);
- }
-
- QLinearGradient gradient(QPointF(0.0, 0.0), QPointF(0.0, height()));
- gradient.setColorAt(0.0, fromColor);
- gradient.setColorAt(1.0, toColor);
- painter.setPen(Qt::NoPen);
- painter.setBrush(gradient);
-
- const QRect rect(0, 0, width(), height());
- if (haveAlphaChannel) {
- const qreal radius = 5.0;
-
- QPainterPath path;
- path.moveTo(rect.left(), rect.top() + radius);
- arc(path, rect.left() + radius, rect.top() + radius, radius, 180, -90);
- arc(path, rect.right() - radius, rect.top() + radius, radius, 90, -90);
- arc(path, rect.right() - radius, rect.bottom() - radius, radius, 0, -90);
- arc(path, rect.left() + radius, rect.bottom() - radius, radius, 270, -90);
- path.closeSubpath();
-
- painter.drawPath(path);
- } else {
- painter.drawRect(rect);
- }
-}
-
-void FileMetaDataToolTip::arc(QPainterPath& path,
- qreal cx, qreal cy,
- qreal radius, qreal angle,
- qreal sweepLength)
-{
- path.arcTo(cx-radius, cy-radius, radius * 2, radius * 2, angle, sweepLength);
-}
-
-#include "filemetadatatooltip.moc"