70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
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// -*- mode: C++; indent-tabs-mode: nil; -*-
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#ifndef __display_hh
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#define __display_hh
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extern "C" {
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#include <X11/Xlib.h>
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}
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#include <vector>
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namespace otk {
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class ScreenInfo;
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class BGCCache;
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class OBDisplay
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{
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public:
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static Display *display; // the X display
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typedef std::vector<ScreenInfo> ScreenInfoList;
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private:
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static bool _shape; // does the display have the shape extention?
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static int _shape_event_basep; // base for shape events
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static bool _xinerama; // does the display have the xinerama extention?
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static int _xinerama_event_basep;// base for xinerama events
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static unsigned int _mask_list[8];// a list of all combinations of lock masks
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static ScreenInfoList _screenInfoList; // info for all screens on the display
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static BGCCache *_gccache;
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static int xerrorHandler(Display *d, XErrorEvent *e); // handles X errors duh
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OBDisplay(); // this class cannot be instantiated
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public:
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static void initialize(char *name);
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static void destroy();
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//! Returns the GC cache for the application
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inline static BGCCache *gcCache() { return _gccache; }
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/*!
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Returns a ScreenInfo class, which gives information on a screen on the
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display.
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\param snum The screen number of the screen to retrieve info on
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\return Info on the requested screen, in a ScreenInfo class
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*/
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inline static const ScreenInfo* screenInfo(int snum) {
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assert(snum >= 0);
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assert(snum < static_cast<int>(_screenInfoList.size()));
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return &_screenInfoList[snum];
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}
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//! Returns if the display has the shape extention available
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inline static bool shape() { return _shape; }
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//! Returns the shape extension's event base
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inline static int shapeEventBase() { return _shape_event_basep; }
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//! Returns if the display has the xinerama extention available
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inline static bool xinerama() { return _xinerama; }
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};
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}
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#endif // __display_hh
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