From 2dc14be6401954669614ce00e6e22026e5ff549d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <mgraesslin@kde.org>
Date: Fri, 21 Jun 2013 15:52:44 +0200
Subject: [PATCH] MouseClick Animation effect supports QPainter Compositor

---
 effects/mouseclick/mouseclick.cpp | 13 +++++++++++++
 effects/mouseclick/mouseclick.h   |  1 +
 2 files changed, 14 insertions(+)

diff --git a/effects/mouseclick/mouseclick.cpp b/effects/mouseclick/mouseclick.cpp
index a888045c1a..22b28e7db8 100644
--- a/effects/mouseclick/mouseclick.cpp
+++ b/effects/mouseclick/mouseclick.cpp
@@ -34,6 +34,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <KDE/KConfigGroup>
 #include <KDE/KGlobalAccel>
 
+#include <QPainter>
+
 #include <math.h>
 
 namespace KWin
@@ -254,6 +256,8 @@ void MouseClickEffect::drawCircle(const QColor& color, float cx, float cy, float
         drawCircleGl(color, cx, cy, r);
     if (effects->compositingType() == XRenderCompositing)
         drawCircleXr(color, cx, cy, r);
+    if (effects->compositingType() == QPainterCompositing)
+        drawCircleQPainter(color, cx, cy, r);
 }
 
 void MouseClickEffect::paintScreenSetup(int mask, QRegion region, ScreenPaintData& data)
@@ -357,6 +361,15 @@ void MouseClickEffect::drawCircleXr(const QColor& color, float cx, float cy, flo
 #endif
 }
 
+void MouseClickEffect::drawCircleQPainter(const QColor &color, float cx, float cy, float r)
+{
+    QPainter *painter = effects->scenePainter();
+    painter->save();
+    painter->setPen(color);
+    painter->drawArc(cx - r, cy - r, r * 2, r * 2, 0, 5760);
+    painter->restore();
+}
+
 void MouseClickEffect::paintScreenSetupGl(int, QRegion, ScreenPaintData&)
 {
     if (ShaderManager::instance()->isValid()) {
diff --git a/effects/mouseclick/mouseclick.h b/effects/mouseclick/mouseclick.h
index b57865c324..40cddeb4c9 100644
--- a/effects/mouseclick/mouseclick.h
+++ b/effects/mouseclick/mouseclick.h
@@ -160,6 +160,7 @@ private:
 
     void drawCircleGl(const QColor& color, float cx, float cy, float r);
     void drawCircleXr(const QColor& color, float cx, float cy, float r);
+    void drawCircleQPainter(const QColor& color, float cx, float cy, float r);
     void paintScreenSetupGl(int mask, QRegion region, ScreenPaintData& data);
     void paintScreenFinishGl(int mask, QRegion region, ScreenPaintData& data);