1 // -*- mode: C++; indent-tabs-mode: nil; -*-
2 #ifndef __BaseDisplay_hh
3 #define __BaseDisplay_hh
13 // forward declaration
22 BaseDisplay *basedisplay;
28 unsigned int screen_number;
29 std::string display_string;
32 RectList xinerama_areas;
37 ScreenInfo(BaseDisplay *d, unsigned int num);
39 inline BaseDisplay *getBaseDisplay(void) const { return basedisplay; }
40 inline Visual *getVisual(void) const { return visual; }
41 inline Window getRootWindow(void) const { return root_window; }
42 inline Colormap getColormap(void) const { return colormap; }
43 inline int getDepth(void) const { return depth; }
44 inline unsigned int getScreenNumber(void) const
45 { return screen_number; }
46 inline const Rect& getRect(void) const { return rect; }
47 inline unsigned int getWidth(void) const { return rect.width(); }
48 inline unsigned int getHeight(void) const { return rect.height(); }
49 inline const std::string& displayString(void) const
50 { return display_string; }
52 inline const RectList &getXineramaAreas(void) const { return xinerama_areas; }
53 inline bool isXineramaActive(void) const { return xinerama_active; }
58 class BaseDisplay: public TimerQueueManager {
62 int event_basep, error_basep;
69 int event_basep, error_basep;
70 int major, minor; // version
75 unsigned int MaskList[8];
76 size_t MaskListLength;
78 enum RunState { STARTUP, RUNNING, SHUTDOWN };
82 mutable BGCCache *gccache;
84 typedef std::vector<ScreenInfo> ScreenInfoList;
85 ScreenInfoList screenInfoList;
88 const char *display_name, *application_name;
91 BaseDisplay(const BaseDisplay &);
92 BaseDisplay& operator=(const BaseDisplay&);
95 // pure virtual function... you must override this
96 virtual void process_event(XEvent *e) = 0;
98 // the masks of the modifiers which are ignored in button events.
99 int NumLockMask, ScrollLockMask;
103 BaseDisplay(const char *app_name, const char *dpy_name = 0);
104 virtual ~BaseDisplay(void);
106 const ScreenInfo* getScreenInfo(const unsigned int s) const;
108 BGCCache *gcCache(void) const;
110 inline bool hasShapeExtensions(void) const
111 { return shape.extensions; }
113 inline bool hasXineramaExtensions(void) const
114 { return xinerama.extensions; }
116 inline bool doShutdown(void) const
117 { return run_state == SHUTDOWN; }
118 inline bool isStartup(void) const
119 { return run_state == STARTUP; }
121 inline Display *getXDisplay(void) const { return display; }
123 inline const char *getXDisplayName(void) const
124 { return display_name; }
125 inline const char *getApplicationName(void) const
126 { return application_name; }
128 inline unsigned int getNumberOfScreens(void) const
129 { return screenInfoList.size(); }
130 inline int getShapeEventBase(void) const
131 { return shape.event_basep; }
133 inline int getXineramaMajorVersion(void) const
134 { return xinerama.major; }
137 inline void shutdown(void) { run_state = SHUTDOWN; }
138 inline void run(void) { run_state = RUNNING; }
140 void grabButton(unsigned int button, unsigned int modifiers,
141 Window grab_window, bool owner_events,
142 unsigned int event_mask, int pointer_mode,
143 int keyboard_mode, Window confine_to, Cursor cursor,
144 bool allow_scroll_lock) const;
145 void ungrabButton(unsigned int button, unsigned int modifiers,
146 Window grab_window) const;
148 void eventLoop(void);
150 // from TimerQueueManager interface
151 virtual void addTimer(BTimer *timer);
152 virtual void removeTimer(BTimer *timer);
154 // another pure virtual... this is used to handle signals that BaseDisplay
155 // doesn't understand itself
156 virtual bool handleSignal(int sig) = 0;
160 #endif // __BaseDisplay_hh