openbox/otk/display.hh

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