From b95c6f721caff5ba78056512739803130e9e7b1a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fredrik=20H=C3=B6glund?= <fredrik@kde.org>
Date: Sun, 3 Jan 2010 17:50:38 +0000
Subject: [PATCH] Make it possible for effects to store arbitrary data in
 EffectWindow.

svn path=/trunk/KDE/kdebase/workspace/; revision=1069539
---
 effects.cpp       | 15 +++++++++++++++
 effects.h         |  4 ++++
 lib/kwineffects.h |  8 +++++++-
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/effects.cpp b/effects.cpp
index ba54e5117a..505fb5e173 100644
--- a/effects.cpp
+++ b/effects.cpp
@@ -1531,6 +1531,21 @@ bool EffectWindowImpl::visibleInClientGroup() const
     return false;
     }
 
+void EffectWindowImpl::setData( int role, const QVariant &data )
+    {
+    if ( !data.isNull() )
+        dataMap[ role ] = data;
+    else
+        dataMap.remove( role );
+    }
+
+QVariant EffectWindowImpl::data( int role ) const
+    {
+    if( !dataMap.contains( role ) )
+        return QVariant();
+    return dataMap[ role ];
+    }
+
 EffectWindow* effectWindow( Toplevel* w )
     {
     EffectWindowImpl* ret = w->effectWindow();
diff --git a/effects.h b/effects.h
index 651a74d833..9de14467fe 100644
--- a/effects.h
+++ b/effects.h
@@ -277,9 +277,13 @@ class EffectWindowImpl : public EffectWindow
         void setSceneWindow( Scene::Window* w ); // internal
         const Scene::Window* sceneWindow() const; // internal
         Scene::Window* sceneWindow(); // internal
+
+        void setData( int role, const QVariant &data );
+        QVariant data( int role ) const;
     private:
         Toplevel* toplevel;
         Scene::Window* sw; // This one is used only during paint pass.
+        QMap<int, QVariant> dataMap;
 };
 
 class EffectWindowGroupImpl
diff --git a/lib/kwineffects.h b/lib/kwineffects.h
index 04e4988d59..26e2d6c502 100644
--- a/lib/kwineffects.h
+++ b/lib/kwineffects.h
@@ -170,7 +170,7 @@ X-KDE-Library=kwin4_effect_cooleffect
 
 #define KWIN_EFFECT_API_MAKE_VERSION( major, minor ) (( major ) << 8 | ( minor ))
 #define KWIN_EFFECT_API_VERSION_MAJOR 0
-#define KWIN_EFFECT_API_VERSION_MINOR 111
+#define KWIN_EFFECT_API_VERSION_MINOR 112
 #define KWIN_EFFECT_API_VERSION KWIN_EFFECT_API_MAKE_VERSION( \
     KWIN_EFFECT_API_VERSION_MAJOR, KWIN_EFFECT_API_VERSION_MINOR )
 
@@ -964,6 +964,12 @@ class KWIN_EXPORT EffectWindow
         virtual void closeWindow() const = 0;
 
         virtual bool visibleInClientGroup() const = 0;
+
+        /**
+         * Can be used to by effects to store arbitrary data in the EffectWindow. 
+         */
+        virtual void setData( int role, const QVariant &data ) = 0;
+        virtual QVariant data( int role ) const = 0;
     };
 
 class KWIN_EXPORT EffectWindowGroup