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
19 class BaseDisplay
: public TimerQueueManager
{
23 int event_basep
, error_basep
;
30 int event_basep
, error_basep
;
31 int major
, minor
; // version
36 unsigned int MaskList
[8];
37 size_t MaskListLength
;
39 enum RunState
{ STARTUP
, RUNNING
, SHUTDOWN
};
43 mutable BGCCache
*gccache
;
45 typedef std::vector
<ScreenInfo
> ScreenInfoList
;
46 ScreenInfoList screenInfoList
;
49 const char *display_name
, *application_name
;
52 BaseDisplay(const BaseDisplay
&);
53 BaseDisplay
& operator=(const BaseDisplay
&);
56 // pure virtual function... you must override this
57 virtual void process_event(XEvent
*e
) = 0;
59 // the masks of the modifiers which are ignored in button events.
60 int NumLockMask
, ScrollLockMask
;
64 BaseDisplay(const char *app_name
, const char *dpy_name
= 0);
65 virtual ~BaseDisplay(void);
67 const ScreenInfo
* getScreenInfo(const unsigned int s
) const;
69 BGCCache
*gcCache(void) const;
71 inline bool hasShapeExtensions(void) const
72 { return shape
.extensions
; }
74 inline bool hasXineramaExtensions(void) const
75 { return xinerama
.extensions
; }
77 inline bool doShutdown(void) const
78 { return run_state
== SHUTDOWN
; }
79 inline bool isStartup(void) const
80 { return run_state
== STARTUP
; }
82 inline Display
*getXDisplay(void) const { return display
; }
84 inline const char *getXDisplayName(void) const
85 { return display_name
; }
86 inline const char *getApplicationName(void) const
87 { return application_name
; }
89 inline unsigned int getNumberOfScreens(void) const
90 { return screenInfoList
.size(); }
91 inline int getShapeEventBase(void) const
92 { return shape
.event_basep
; }
94 inline int getXineramaMajorVersion(void) const
95 { return xinerama
.major
; }
98 inline void shutdown(void) { run_state
= SHUTDOWN
; }
99 inline void run(void) { run_state
= RUNNING
; }
101 void grabButton(unsigned int button
, unsigned int modifiers
,
102 Window grab_window
, bool owner_events
,
103 unsigned int event_mask
, int pointer_mode
,
104 int keyboard_mode
, Window confine_to
, Cursor cursor
,
105 bool allow_scroll_lock
) const;
106 void ungrabButton(unsigned int button
, unsigned int modifiers
,
107 Window grab_window
) const;
109 void eventLoop(void);
111 // from TimerQueueManager interface
112 virtual void addTimer(BTimer
*timer
);
113 virtual void removeTimer(BTimer
*timer
);
115 // another pure virtual... this is used to handle signals that BaseDisplay
116 // doesn't understand itself
117 virtual bool handleSignal(int sig
) = 0;
121 #endif // __BaseDisplay_hh