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Dogcows Code - chaz/openbox/blob - otk/display.hh
1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
16 //! The display instance for the library
17 extern Display
*display
;
19 //! Manages a single X11 display.
26 //! Does the display have the XKB extension?
28 //! Base for events for the XKB extension
31 //! Does the display have the Shape extension?
33 //! Base for events for the Shape extension
34 int _shape_event_basep
;
36 //! Does the display have the Xinerama extension?
38 //! Base for events for the Xinerama extension
39 int _xinerama_event_basep
;
41 //! A list of all possible combinations of keyboard lock masks
42 unsigned int _mask_list
[8];
44 //! The value of the mask for the NumLock modifier
45 unsigned int _num_lock_mask
;
47 //! The value of the mask for the ScrollLock modifier
48 unsigned int _scroll_lock_mask
;
50 //! The key codes for the modifier keys
51 XModifierKeymap
*_modmap
;
53 //! The number of requested grabs on the display
56 //! When true, X errors will be ignored. Use with care.
59 //! A list of information for all screens on the display
60 ScreenInfo
** _screeninfo_list
;
62 //! A list of RenderControl objects, which are used for all graphics on a
64 RenderControl
** _rendercontrol_list
;
67 //! Initializes the class, opens the X display
69 The DISPLAY environment variable is used to choose the display.
73 //! Destroys the class, closes the X display
76 //! Gets information on a specific screen
78 Returns a ScreenInfo class, which contains information for a screen on the
80 @param snum The screen number of the screen to retrieve info on
81 @return Info on the requested screen, in a ScreenInfo class
83 const ScreenInfo
* screenInfo(int snum
) const;
85 //! Find a ScreenInfo based on a root window
86 const ScreenInfo
* findScreen(Window root
) const;
88 //! Gets the RenderControl for a screen
89 const RenderControl
*renderControl(int snum
) const;
91 //! Returns if the display has the xkb extension available
92 inline bool xkb() const { return _xkb
; }
93 //! Returns the xkb extension's event base
94 inline int xkbEventBase() const { return _xkb_event_basep
; }
96 //! Returns if the display has the shape extension available
97 inline bool shape() const { return _shape
; }
98 //! Returns the shape extension's event base
99 inline int shapeEventBase() const { return _shape_event_basep
; }
100 //! Returns if the display has the xinerama extension available
101 inline bool xinerama() const { return _xinerama
; }
103 inline unsigned int numLockMask() const { return _num_lock_mask
; }
104 inline unsigned int scrollLockMask() const { return _scroll_lock_mask
; }
105 const XModifierKeymap
*modifierMap() const { return _modmap
; }
107 inline ::Display
* operator*() const { return _display
; }
109 //! When true, X errors will be ignored.
110 inline bool ignoreErrors() const { return _ignore_errors
; }
111 //! Set whether X errors should be ignored. Use with care.
112 void setIgnoreErrors(bool t
);
114 //! Grabs the display
117 //! Ungrabs the display
123 void grabButton(unsigned int button
, unsigned int modifiers
,
124 Window grab_window
, bool owner_events
,
125 unsigned int event_mask
, int pointer_mode
,
126 int keyboard_mode
, Window confine_to
, Cursor cursor
,
127 bool allow_scroll_lock
) const;
128 void ungrabButton(unsigned int button
, unsigned int modifiers
,
129 Window grab_window
) const;
130 void grabKey(unsigned int keycode
, unsigned int modifiers
,
131 Window grab_window
, bool owner_events
,
132 int pointer_mode
, int keyboard_mode
,
133 bool allow_scroll_lock
) const;
134 void ungrabKey(unsigned int keycode
, unsigned int modifiers
,
135 Window grab_window
) const;
140 #endif // __display_hh
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