added subtle transparency for tooltips

svn path=/trunk/KDE/kdebase/apps/; revision=938051

1 files changed, 8 insertions, 1 deletions

diff --git a/src/tooltips/ktooltip.cpp b/src/tooltips/ktooltip.cpp
index a0126fbff..d5aa0f7b7 100644
--- a/src/tooltips/ktooltip.cpp
+++ b/src/tooltips/ktooltip.cpp
@@ -242,7 +242,7 @@ KToolTipDelegate *KAbstractToolTipLabel::delegate() const
 class QWidgetLabel : public QWidget, public KAbstractToolTipLabel
 {
 public:
-    QWidgetLabel() : QWidget(0, Qt::ToolTip) {}
+    QWidgetLabel();
     void showTip(const QPoint &pos, const KToolTipItem *item);
     void moveTip(const QPoint &pos);
     void hideTip();
@@ -255,6 +255,13 @@ private:
     const KToolTipItem *currentItem;
 };
 
+QWidgetLabel::QWidgetLabel() : QWidget(0, Qt::ToolTip)
+{
+    if (KToolTipManager::instance()->haveAlphaChannel()) {
+        setAttribute(Qt::WA_TranslucentBackground);
+    }
+}
+
 void QWidgetLabel::showTip(const QPoint &pos, const KToolTipItem *item)
 {
     currentItem = item;