1 // -*- mode: C++; indent-tabs-mode: nil; -*-
2 #ifndef __BaseDisplay_hh
3 #define __BaseDisplay_hh
5 #include "screeninfo.hh"
10 #include <X11/Xatom.h>
15 // forward declaration
18 class BaseDisplay: public TimerQueueManager {
22 int event_basep, error_basep;
29 int event_basep, error_basep;
30 int major, minor; // version
35 unsigned int MaskList[8];
36 size_t MaskListLength;
38 enum RunState { STARTUP, RUNNING, SHUTDOWN };
42 mutable BGCCache *gccache;
44 typedef std::vector<ScreenInfo> ScreenInfoList;
45 ScreenInfoList screenInfoList;
48 const char *display_name, *application_name;
51 BaseDisplay(const BaseDisplay &);
52 BaseDisplay& operator=(const BaseDisplay&);
55 // pure virtual function... you must override this
56 virtual void process_event(XEvent *e) = 0;
58 // the masks of the modifiers which are ignored in button events.
59 int NumLockMask, ScrollLockMask;
63 BaseDisplay(const char *app_name, const char *dpy_name = 0);
64 virtual ~BaseDisplay(void);
66 const ScreenInfo* getScreenInfo(const unsigned int s) const;
68 BGCCache *gcCache(void) const;
70 inline bool hasShapeExtensions(void) const
71 { return shape.extensions; }
73 inline bool hasXineramaExtensions(void) const
74 { return xinerama.extensions; }
76 inline bool doShutdown(void) const
77 { return run_state == SHUTDOWN; }
78 inline bool isStartup(void) const
79 { return run_state == STARTUP; }
81 inline Display *getXDisplay(void) const { return display; }
83 inline const char *getXDisplayName(void) const
84 { return display_name; }
85 inline const char *getApplicationName(void) const
86 { return application_name; }
88 inline unsigned int getNumberOfScreens(void) const
89 { return screenInfoList.size(); }
90 inline int getShapeEventBase(void) const
91 { return shape.event_basep; }
93 inline int getXineramaMajorVersion(void) const
94 { return xinerama.major; }
97 inline void shutdown(void) { run_state = SHUTDOWN; }
98 inline void run(void) { run_state = RUNNING; }
100 void grabButton(unsigned int button, unsigned int modifiers,
101 Window grab_window, bool owner_events,
102 unsigned int event_mask, int pointer_mode,
103 int keyboard_mode, Window confine_to, Cursor cursor,
104 bool allow_scroll_lock) const;
105 void ungrabButton(unsigned int button, unsigned int modifiers,
106 Window grab_window) const;
108 void eventLoop(void);
110 // from TimerQueueManager interface
111 virtual void addTimer(BTimer *timer);
112 virtual void removeTimer(BTimer *timer);
114 // another pure virtual... this is used to handle signals that BaseDisplay
115 // doesn't understand itself
116 virtual bool handleSignal(int sig) = 0;
120 #endif // __BaseDisplay_hh