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Dogcows Code - chaz/openbox/blob - otk/display.hh
1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
19 //! The display instance for the library
20 extern Display
*display
;
22 //! Manages a single X11 display.
29 //! Does the display have the XKB extension?
31 //! Base for events for the XKB extension
34 //! Does the display have the Shape extension?
36 //! Base for events for the Shape extension
37 int _shape_event_basep
;
39 //! Does the display have the Xinerama extension?
41 //! Base for events for the Xinerama extension
42 int _xinerama_event_basep
;
44 //! A list of all possible combinations of keyboard lock masks
45 unsigned int _mask_list
[8];
47 //! The value of the mask for the NumLock modifier
48 unsigned int _num_lock_mask
;
50 //! The value of the mask for the ScrollLock modifier
51 unsigned int _scroll_lock_mask
;
53 //! The number of requested grabs on the display
56 //! A list of information for all screens on the display
57 std::vector
<ScreenInfo
> _screenInfoList
;
59 //! A list of RenderControl objects, which are used for all graphics on a
61 std::vector
<RenderControl
*> _renderControlList
;
63 //! A cache for re-using GCs, used by the drawing objects
73 // Handles X errors on the display
75 Displays the error if compiled for debugging.
77 //int xerrorHandler(::Display *d, XErrorEvent *e);
80 //! Initializes the class, opens the X display
82 The DISPLAY environment variable is used to choose the display.
86 //! Destroys the class, closes the X display
89 //! Returns the GC cache for the application
90 inline GCCache
*gcCache() const { return _gccache
; }
92 //! Gets information on a specific screen
94 Returns a ScreenInfo class, which contains information for a screen on the
96 @param snum The screen number of the screen to retrieve info on
97 @return Info on the requested screen, in a ScreenInfo class
99 const ScreenInfo
* screenInfo(int snum
);
101 //! Find a ScreenInfo based on a root window
102 const ScreenInfo
* findScreen(Window root
);
104 //! Gets the RenderControl for a screen
105 const RenderControl
*renderControl(int snum
);
107 //! Returns if the display has the xkb extension available
108 inline bool xkb() const { return _xkb
; }
109 //! Returns the xkb extension's event base
110 inline int xkbEventBase() const { return _xkb_event_basep
; }
112 //! Returns if the display has the shape extension available
113 inline bool shape() const { return _shape
; }
114 //! Returns the shape extension's event base
115 inline int shapeEventBase() const { return _shape_event_basep
; }
116 //! Returns if the display has the xinerama extension available
117 inline bool xinerama() const { return _xinerama
; }
119 inline unsigned int numLockMask() const { return _num_lock_mask
; }
120 inline unsigned int scrollLockMask() const { return _scroll_lock_mask
; }
122 inline ::Display
* operator*() const { return _display
; }
124 //! Grabs the display
127 //! Ungrabs the display
133 void grabButton(unsigned int button
, unsigned int modifiers
,
134 Window grab_window
, bool owner_events
,
135 unsigned int event_mask
, int pointer_mode
,
136 int keyboard_mode
, Window confine_to
, Cursor cursor
,
137 bool allow_scroll_lock
) const;
138 void ungrabButton(unsigned int button
, unsigned int modifiers
,
139 Window grab_window
) const;
140 void grabKey(unsigned int keycode
, unsigned int modifiers
,
141 Window grab_window
, bool owner_events
,
142 int pointer_mode
, int keyboard_mode
,
143 bool allow_scroll_lock
) const;
144 void ungrabKey(unsigned int keycode
, unsigned int modifiers
,
145 Window grab_window
) const;
150 #endif // __display_hh
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