Dogcows Code - chaz/openbox/blob - src/XDisplay.h

   1 // XDisplay.h for Openbox
   2 // Copyright (c) 2002 - 2002 Ben Janens (ben at orodu.net)
   3 //
   4 // Permission is hereby granted, free of charge, to any person obtaining a
   5 // copy of this software and associated documentation files (the "Software"),
   6 // to deal in the Software without restriction, including without limitation
   7 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 // and/or sell copies of the Software, and to permit persons to whom the
   9 // Software is furnished to do so, subject to the following conditions:
  10 //
  11 // The above copyright notice and this permission notice shall be included in
  12 // all copies or substantial portions of the Software.
  13 //
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20 // DEALINGS IN THE SOFTWARE.
  21
  22 #ifndef   __XDisplay_h
  23 #define   __XDisplay_h
  24
  25 #include <X11/Xlib.h>
  26 #include <string>
  27 #include <vector>
  28 #include "XAtom.h"
  29 #include "XScreen.h"
  30
  31 class XDisplay {
  32   friend XAtom::XAtom(const XDisplay *);
  33   friend XScreen::XScreen(const XDisplay *, const unsigned int);
  34
  35 private:
  36   Display       *_display;
  37   std::string    _name;
  38   unsigned int   _grabs;
  39   bool           _hasshape;
  40   int            _shape_event_base;
  41
  42 #ifndef   NOCLOBBER
  43   // the server's values for the lock key modifiers
  44   void getLockModifiers();
  45   unsigned int MaskList[8];
  46   // the masks of the modifiers which are ignored in button events.
  47   int NumLockMask, ScrollLockMask;
  48 #endif // NOCLOBBER
  49
  50
  51   // X error handling
  52   static int errorHandler(Display *d, XErrorEvent *e);
  53   static std::string _app_name;
  54   static Window _last_bad_window;
  55
  56   // no copying!!
  57   XDisplay(const XDisplay &);
  58   XDisplay& operator=(const XDisplay&);
  59
  60 protected:
  61   virtual void process_event(XEvent *) = 0;
  62
  63 public:
  64   XDisplay(const std::string &application_name, const char *dpyname = 0);
  65   virtual ~XDisplay();
  66
  67   inline virtual unsigned int screenCount() const
  68   { return ScreenCount(_display); }
  69
  70   inline bool hasShape() const { return _hasshape; }
  71   inline int shapeEventBase() const { return _shape_event_base; }
  72
  73   //inline Display *display() const { return _display; }
  74
  75   inline std::string applicationName() const { return _app_name; }
  76   inline std::string name() const { return _name; }
  77
  78   void grab();
  79   void ungrab();
  80
  81   bool nextEvent(XEvent &e);
  82
  83   int connectionNumber() const;
  84
  85   Cursor createCursor(unsigned int shape) const;
  86
  87   unsigned int stripModifiers(const unsigned int state) const;
  88
  89   // these belong in Xwindow
  90   const bool validateWindow(Window);
  91   void grabButton(unsigned int, unsigned int, Window, Bool, unsigned int, int,
  92       int, Window, Cursor) const;
  93   void ungrabButton(unsigned int button, unsigned int modifiers,
  94       Window grab_window) const;
  95 };
  96
  97 #endif // _XDisplay_h