src/basedisplay.hh (raw)
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// -*- mode: C++; indent-tabs-mode: nil; -*- #ifndef __BaseDisplay_hh #define __BaseDisplay_hh #include "screeninfo.hh" #include "timer.hh" extern "C" { #include <X11/Xlib.h> #include <X11/Xatom.h> } #include <vector> // forward declaration class BGCCache; class BaseDisplay: public TimerQueueManager { private: struct BShape { bool extensions; int event_basep, error_basep; }; BShape shape; #ifdef XINERAMA struct BXinerama { bool extensions; int event_basep, error_basep; int major, minor; // version }; BXinerama xinerama; #endif // XINERAMA unsigned int MaskList[8]; size_t MaskListLength; enum RunState { STARTUP, RUNNING, SHUTDOWN }; RunState run_state; Display *display; mutable BGCCache *gccache; typedef std::vector<ScreenInfo> ScreenInfoList; ScreenInfoList screenInfoList; TimerQueue timerList; const char *display_name, *application_name; // no copying! BaseDisplay(const BaseDisplay &); BaseDisplay& operator=(const BaseDisplay&); protected: // pure virtual function... you must override this virtual void process_event(XEvent *e) = 0; // the masks of the modifiers which are ignored in button events. int NumLockMask, ScrollLockMask; public: BaseDisplay(const char *app_name, const char *dpy_name = 0); virtual ~BaseDisplay(void); const ScreenInfo* getScreenInfo(const unsigned int s) const; BGCCache *gcCache(void) const; inline bool hasShapeExtensions(void) const { return shape.extensions; } #ifdef XINERAMA inline bool hasXineramaExtensions(void) const { return xinerama.extensions; } #endif // XINERAMA inline bool doShutdown(void) const { return run_state == SHUTDOWN; } inline bool isStartup(void) const { return run_state == STARTUP; } inline Display *getXDisplay(void) const { return display; } inline const char *getXDisplayName(void) const { return display_name; } inline const char *getApplicationName(void) const { return application_name; } inline unsigned int getNumberOfScreens(void) const { return screenInfoList.size(); } inline int getShapeEventBase(void) const { return shape.event_basep; } #ifdef XINERAMA inline int getXineramaMajorVersion(void) const { return xinerama.major; } #endif // XINERAMA inline void shutdown(void) { run_state = SHUTDOWN; } inline void run(void) { run_state = RUNNING; } void grabButton(unsigned int button, unsigned int modifiers, Window grab_window, bool owner_events, unsigned int event_mask, int pointer_mode, int keyboard_mode, Window confine_to, Cursor cursor, bool allow_scroll_lock) const; void ungrabButton(unsigned int button, unsigned int modifiers, Window grab_window) const; void eventLoop(void); // from TimerQueueManager interface virtual void addTimer(BTimer *timer); virtual void removeTimer(BTimer *timer); // another pure virtual... this is used to handle signals that BaseDisplay // doesn't understand itself virtual bool handleSignal(int sig) = 0; }; #endif // __BaseDisplay_hh |