Panda3D

x11GraphicsWindow.h

00001 // Filename: x11GraphicsWindow.h
00002 // Created by:  rdb (07Jul09)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef X11GRAPHICSWINDOW_H
00016 #define X11GRAPHICSWINDOW_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "x11GraphicsPipe.h"
00021 #include "graphicsWindow.h"
00022 #include "buttonHandle.h"
00023 
00024 #ifdef HAVE_XRANDR
00025 typedef unsigned short Rotation;
00026 typedef unsigned short SizeID;
00027 #endif
00028 
00029 ////////////////////////////////////////////////////////////////////
00030 //       Class : x11GraphicsWindow
00031 // Description : Interfaces to the X11 window system.
00032 ////////////////////////////////////////////////////////////////////
00033 class x11GraphicsWindow : public GraphicsWindow {
00034 public:
00035   x11GraphicsWindow(GraphicsEngine *engine, GraphicsPipe *pipe, 
00036                     const string &name,
00037                     const FrameBufferProperties &fb_prop,
00038                     const WindowProperties &win_prop,
00039                     int flags,
00040                     GraphicsStateGuardian *gsg,
00041                     GraphicsOutput *host);
00042   virtual ~x11GraphicsWindow();
00043 
00044   virtual bool move_pointer(int device, int x, int y);
00045   virtual bool begin_frame(FrameMode mode, Thread *current_thread);
00046   virtual void end_frame(FrameMode mode, Thread *current_thread);
00047 
00048   virtual void process_events();
00049   virtual void set_properties_now(WindowProperties &properties);
00050 
00051   INLINE X11_Window get_xwindow() const;
00052 
00053 protected:
00054   virtual void close_window();
00055   virtual bool open_window();
00056 
00057   virtual void mouse_mode_absolute();
00058   virtual void mouse_mode_relative();
00059 
00060   void set_wm_properties(const WindowProperties &properties,
00061                          bool already_mapped);
00062 
00063   virtual void setup_colormap(XVisualInfo *visual);
00064   void handle_keystroke(XKeyEvent &event);
00065   void handle_keypress(XKeyEvent &event);
00066   void handle_keyrelease(XKeyEvent &event);
00067 
00068   ButtonHandle get_button(XKeyEvent &key_event, bool allow_shift);
00069   ButtonHandle map_button(KeySym key);
00070   ButtonHandle get_mouse_button(XButtonEvent &button_event);
00071 
00072   static Bool check_event(X11_Display *display, XEvent *event, char *arg);
00073 
00074   void open_raw_mice();
00075   void poll_raw_mice();
00076 
00077 private:
00078   X11_Cursor get_cursor(const Filename &filename);
00079 #ifdef HAVE_XCURSOR
00080   X11_Cursor read_ico(istream &ico);
00081 #endif
00082   
00083 protected:
00084   X11_Display *_display;
00085   int _screen;
00086   X11_Window _xwindow;
00087   Colormap _colormap;
00088   XIC _ic;
00089   XVisualInfo *_visual_info;
00090   
00091 #ifdef HAVE_XRANDR
00092   Rotation _orig_rotation;
00093   SizeID _orig_size_id;
00094 #endif
00095 
00096   long _event_mask;
00097   bool _awaiting_configure;
00098   bool _dga_mouse_enabled;
00099   Atom _wm_delete_window;
00100   Atom _net_wm_window_type;
00101   Atom _net_wm_window_type_splash;
00102   Atom _net_wm_window_type_fullscreen;
00103   Atom _net_wm_state;
00104   Atom _net_wm_state_fullscreen;
00105   Atom _net_wm_state_above;
00106   Atom _net_wm_state_below;
00107   Atom _net_wm_state_add;
00108   Atom _net_wm_state_remove;
00109 
00110   struct MouseDeviceInfo {
00111     int    _fd;
00112     int    _input_device_index;
00113     string _io_buffer;
00114   };
00115   pvector<MouseDeviceInfo> _mouse_device_info;
00116   
00117 public:
00118   static TypeHandle get_class_type() {
00119     return _type_handle;
00120   }
00121   static void init_type() {
00122     GraphicsWindow::init_type();
00123     register_type(_type_handle, "x11GraphicsWindow",
00124                   GraphicsWindow::get_class_type());
00125   }
00126   virtual TypeHandle get_type() const {
00127     return get_class_type();
00128   }
00129   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00130 
00131 private:
00132   static TypeHandle _type_handle;
00133   
00134   // Since the Panda API requests icons and cursors by filename, we
00135   // need a table mapping filenames to handles, so we can avoid
00136   // re-reading the file each time we change icons.
00137   pmap<Filename, X11_Cursor> _cursor_filenames;
00138 };
00139 
00140 #include "x11GraphicsWindow.I"
00141 
00142 #endif
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