1 files changed, 148 insertions, 0 deletions
diff --git a/kdesktop/bgmanager.h b/kdesktop/bgmanager.h
new file mode 100644
index 000000000..43e57a372
--- /dev/null
+++ b/kdesktop/bgmanager.h
@@ -0,0 +1,148 @@
+/* vi: ts=8 sts=4 sw=4
+ *
+ * This file is part of the KDE project, module kdesktop.
+ * Copyright (C) 1999,2000 Geert Jansen <[email protected]>
+ *
+ * You can Freely distribute this program under the GNU General Public
+ * License. See the file "COPYING" for the exact licensing terms.
+ */
+
+#ifndef __BGMANAGER_H__
+#define __BGMANAGER_H__
+
+#include <tqstring.h>
+#include <tqptrvector.h>
+
+#include <tqdatetime.h>
+#include <KBackgroundIface.h>
+
+#if defined(Q_WS_X11) && defined(HAVE_XRENDER) && TQT_VERSION >= 0x030300
+#define COMPOSITE
+#endif
+
+class TDEConfig;
+class TQTimer;
+class TQPixmap;
+class TDEPopupMenu;
+class KWinModule;
+class KPixmap;
+class KVirtualBGRenderer;
+class KPixmapServer;
+
+/**
+ * Internal struct for KBackgroundManager.
+ */
+struct KBackgroundCacheEntry
+{
+    int hash;
+    int atime;
+    int exp_from;
+    KPixmap *pixmap;
+};
+
+
+/**
+ * Background manager for KDE. This class is to be used in kdesktop. Usage is
+ * very simple: instantiate this class once and the desktop background will
+ * be painted automatically from now on.
+ *
+ * The background manager also has a DCOP interface to remotely control its
+ * operation. See KBackgroundIface.h for details.
+ */
+
+class KBackgroundManager
+    : public TQObject,
+      public KBackgroundIface
+{
+    Q_OBJECT
+    
+
+public:
+    KBackgroundManager(TQWidget *desktop, KWinModule* twinModule);
+    ~KBackgroundManager();
+
+    void configure();
+    void setCommon(int);
+    bool isCommon() { return m_bCommon; };
+    void setExport(int);
+    bool isExport() { return m_bExport; };
+    void setCache(int, int);
+    void setWallpaper(int desk, TQString wallpaper, int mode);
+    void setWallpaper(TQString wallpaper, int mode);
+    void setWallpaper(TQString wallpaper);
+    void changeWallpaper();
+    TQString currentWallpaper(int desk);
+    void setColor(const TQColor & c, bool isColorA = true);
+    void setBackgroundEnabled(const bool enable);
+    TQStringList wallpaperList(int desk);
+    TQStringList wallpaperFiles(int desk);
+
+signals:
+    void initDone();
+
+private slots:
+    void slotTimeout();
+    void slotImageDone(int desk);
+    void slotChangeDesktop(int);
+    void slotChangeViewport(int, const TQPoint&);
+    void slotChangeNumberOfDesktops(int);
+    void repaintBackground();
+    void desktopResized();
+    void clearRoot();
+    void saveImages();
+    void slotCrossFadeTimeout();
+    void slotCmBackgroundChanged(bool);
+
+private:
+    void applyCommon(bool common);
+    void applyExport(bool _export);
+    void applyCache(bool limit, int size);
+
+    int realDesktop();
+    int effectiveDesktop();
+    int validateDesk(int desk);
+    int m_numberOfViewports;
+
+    void renderBackground(int desk);
+    void exportBackground(int pixmap, int desk);
+    int pixmapSize(TQPixmap *pm);
+    int cacheSize();
+    void removeCache(int desk);
+    bool freeCache(int size);
+    void addCache(KPixmap *pm, int hash, int desk);
+    void setPixmap(KPixmap *pm, int hash, int desk);
+
+    bool m_bExport, m_bCommon;
+    bool m_bLimitCache, m_bInit;
+    bool m_bBgInitDone;
+    bool m_bEnabled;
+
+    int m_CacheLimit;
+    int m_Serial, m_Hash, m_Current;
+
+    TDEConfig *m_pConfig;
+    TQWidget *m_pDesktop;
+    TQTimer *m_pTimer;
+
+    KPixmap *m_tPixmap;
+	
+    TQPtrVector<KVirtualBGRenderer> m_Renderer;
+    TQPtrVector<KBackgroundCacheEntry> m_Cache;
+
+    KWinModule *m_pKwinmodule;
+    KPixmapServer *m_pPixmapServer;
+    
+    unsigned long m_xrootpmap;
+
+    /*CrossFade vars*/
+    TQTimer * m_crossTimer;
+    double mAlpha;
+    TQPixmap  mNextScreen;
+    TQPixmap  * mOldScreen;
+    int fadeDesk;
+    TQTime mBenchmark;
+    bool crossInit;
+    bool resizingDesktop; // is True if desktop is resizing
+};
+
+#endif // __BGMANAGER_H__