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