Added smooth crossfade effect option when changing the desktop wallpaper.

1 files changed, 76 insertions, 0 deletions

diff --git a/kcontrol/background/KCrossBGRender.h b/kcontrol/background/KCrossBGRender.h
new file mode 100644
index 000000000..f3c2f0931
--- /dev/null
+++ b/kcontrol/background/KCrossBGRender.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2008 Danilo Cesar Lemes de Paula <danilo@mandriva.com>
+ * Copyright (C) 2008 Gustavo Boiko <boiko@mandriva.com>
+ * Mandriva Conectiva
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+*/
+
+#ifndef __KCROSSBGRENDER_H__
+#define __KCROSSBGRENDER_H__
+
+
+#include <tqvaluelist.h>
+#include <tqpixmap.h>
+#include <tqvaluelist.h>
+#include <tqdatetime.h>
+
+#include "bgrender.h"
+
+class TQDomElement;
+
+typedef struct crossEvent{
+	bool transition;
+	TQString pix1;
+	TQString pix2;
+	TQTime stime; //start time
+	TQTime etime; //end time
+} KBGCrossEvent;
+
+
+class KCrossBGRender: public KBackgroundRenderer{
+	
+TQ_OBJECT
+
+public:
+	KCrossBGRender(int desk, int screen, bool drawBackgroundPerScreen, TDEConfig *config=0);
+	~KCrossBGRender();
+
+	bool needWallpaperChange();
+	void changeWallpaper(bool init=false);
+	TQPixmap pixmap();
+	bool usingCrossXml(){return useCrossEfect;};
+
+
+private:
+	TQPixmap pix;
+	int secs;
+	TQString xmlFileName;
+	bool useCrossEfect;
+	
+	int actualPhase;
+	 
+	void createStartTime(TQDomElement e);
+	void createTransition(TQDomElement e);
+	void createStatic(TQDomElement e);
+	bool setCurrentEvent(bool init = false);
+	void initCrossFade(TQString xml);
+	void fixEnabled();
+	TQPixmap getCurrentPixmap();
+	KBGCrossEvent current;
+	TQValueList<KBGCrossEvent> timeList;
+};
+
+#endif // __KCROSSBGRENDER_H__