1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2012 Sam Lantinga 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with this library; if not, write to the Free Software 17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 18 19 Sam Lantinga 20 slouken (at) libsdl.org 21 */ 22 #include "SDL_config.h" 23 24 #ifndef _SDL_x11video_h 25 #define _SDL_x11video_h 26 27 #include <X11/Xlib.h> 28 #include <X11/Xutil.h> 29 #include <X11/Xatom.h> 30 31 #include "SDL_mouse.h" 32 #include "../SDL_sysvideo.h" 33 34 #if SDL_VIDEO_DRIVER_X11_DGAMOUSE 35 #include "../Xext/extensions/xf86dga.h" 36 #endif 37 #if SDL_VIDEO_DRIVER_X11_XINERAMA 38 #include "../Xext/extensions/Xinerama.h" 39 #endif 40 #if SDL_VIDEO_DRIVER_X11_XRANDR 41 #include <X11/extensions/Xrandr.h> 42 #endif 43 #if SDL_VIDEO_DRIVER_X11_VIDMODE 44 #include "../Xext/extensions/xf86vmode.h" 45 #endif 46 #if SDL_VIDEO_DRIVER_X11_XME 47 #include "../Xext/extensions/xme.h" 48 #endif 49 50 #include "SDL_x11dyn.h" 51 52 /* Hidden "this" pointer for the video functions */ 53 #define _THIS SDL_VideoDevice *this 54 55 /* Private display data */ 56 struct SDL_PrivateVideoData { 57 int local_X11; /* Flag: true if local display */ 58 Display *X11_Display; /* Used for events and window management */ 59 Display *GFX_Display; /* Used for graphics and colormap stuff */ 60 Visual *SDL_Visual; /* The visual used by our window */ 61 Window WMwindow; /* Input window, managed by window manager */ 62 Window FSwindow; /* Fullscreen window, completely unmanaged */ 63 Window SDL_Window; /* Shared by both displays (no X security?) */ 64 Atom WM_DELETE_WINDOW; /* "close-window" protocol atom */ 65 WMcursor *BlankCursor; /* The invisible cursor */ 66 XIM X11_IM; /* Used to communicate with the input method (IM) server */ 67 XIC X11_IC; /* Used for retaining the state, properties, and semantics of communication with the input method (IM) server */ 68 69 char *SDL_windowid; /* Flag: true if we have been passed a window */ 70 71 /* Direct Graphics Access extension information */ 72 int using_dga; 73 74 #ifndef NO_SHARED_MEMORY 75 /* MIT shared memory extension information */ 76 int use_mitshm; 77 XShmSegmentInfo shminfo; 78 #endif 79 80 /* The variables used for displaying graphics */ 81 XImage *Ximage; /* The X image for our window */ 82 GC gc; /* The graphic context for drawing */ 83 84 /* The current width and height of the fullscreen mode */ 85 int window_w; 86 int window_h; 87 88 /* Support for internal mouse warping */ 89 struct { 90 int x; 91 int y; 92 } mouse_last; 93 struct { 94 int numerator; 95 int denominator; 96 int threshold; 97 } mouse_accel; 98 int mouse_relative; 99 100 /* The current list of available video modes */ 101 SDL_Rect **modelist; 102 103 /* available visuals of interest to us, sorted deepest first */ 104 struct { 105 Visual *visual; 106 int depth; /* number of significant bits/pixel */ 107 int bpp; /* pixel quantum in bits */ 108 } visuals[2*5]; /* at most 2 entries for 8, 15, 16, 24, 32 */ 109 int nvisuals; 110 111 Visual *vis; /* current visual in use */ 112 int depth; /* current visual depth (not bpp) */ 113 114 /* Variables used by the X11 video mode code */ 115 #if SDL_VIDEO_DRIVER_X11_XINERAMA 116 SDL_NAME(XineramaScreenInfo) xinerama_info; 117 #endif 118 #if SDL_VIDEO_DRIVER_X11_XRANDR 119 XRRScreenConfiguration* screen_config; 120 int saved_size_id; 121 Rotation saved_rotation; 122 #endif 123 #if SDL_VIDEO_DRIVER_X11_VIDMODE 124 SDL_NAME(XF86VidModeModeInfo) saved_mode; 125 struct { 126 int x, y; 127 } saved_view; 128 #endif 129 #if SDL_VIDEO_DRIVER_X11_XME /* XiG XME fullscreen */ 130 XiGMiscResolutionInfo saved_res; 131 #endif 132 133 int use_xinerama; 134 int use_xrandr; 135 int use_vidmode; 136 int use_xme; 137 int currently_fullscreen; 138 139 /* Automatic mode switching support (entering/leaving fullscreen) */ 140 Uint32 switch_waiting; 141 Uint32 switch_time; 142 143 /* Prevent too many XSync() calls */ 144 int blit_queued; 145 146 /* Colormap handling */ 147 Colormap DisplayColormap; /* The default display colormap */ 148 Colormap XColorMap; /* The current window colormap */ 149 int *XPixels; /* pixels value allocation counts */ 150 float gamma_saved[3]; /* Saved gamma values for VidMode gamma */ 151 int gamma_changed; /* flag: has VidMode gamma been modified? */ 152 153 short *iconcolors; /* List of colors used by the icon */ 154 155 /* Screensaver settings */ 156 int allow_screensaver; 157 }; 158 159 extern int X11_wmXAdjust; 160 extern int X11_wmYAdjust; 161 162 /* Old variable names */ 163 #define local_X11 (this->hidden->local_X11) 164 #define SDL_Display (this->hidden->X11_Display) 165 #define GFX_Display (this->hidden->GFX_Display) 166 #define SDL_Screen DefaultScreen(this->hidden->X11_Display) 167 #define SDL_Visual (this->hidden->vis) 168 #define SDL_Root RootWindow(SDL_Display, SDL_Screen) 169 #define WMwindow (this->hidden->WMwindow) 170 #define FSwindow (this->hidden->FSwindow) 171 #define SDL_Window (this->hidden->SDL_Window) 172 #define WM_DELETE_WINDOW (this->hidden->WM_DELETE_WINDOW) 173 #define SDL_BlankCursor (this->hidden->BlankCursor) 174 #define SDL_IM (this->hidden->X11_IM) 175 #define SDL_IC (this->hidden->X11_IC) 176 #define SDL_windowid (this->hidden->SDL_windowid) 177 #define using_dga (this->hidden->using_dga) 178 #define use_mitshm (this->hidden->use_mitshm) 179 #define shminfo (this->hidden->shminfo) 180 #define SDL_Ximage (this->hidden->Ximage) 181 #define SDL_GC (this->hidden->gc) 182 #define window_w (this->hidden->window_w) 183 #define window_h (this->hidden->window_h) 184 #define mouse_last (this->hidden->mouse_last) 185 #define mouse_accel (this->hidden->mouse_accel) 186 #define mouse_relative (this->hidden->mouse_relative) 187 #define SDL_modelist (this->hidden->modelist) 188 #define xinerama_info (this->hidden->xinerama_info) 189 #define saved_mode (this->hidden->saved_mode) 190 #define saved_view (this->hidden->saved_view) 191 #define saved_res (this->hidden->saved_res) 192 #define screen_config (this->hidden->screen_config) 193 #define saved_size_id (this->hidden->saved_size_id) 194 #define saved_rotation (this->hidden->saved_rotation) 195 #define use_xinerama (this->hidden->use_xinerama) 196 #define use_vidmode (this->hidden->use_vidmode) 197 #define use_xrandr (this->hidden->use_xrandr) 198 #define use_xme (this->hidden->use_xme) 199 #define currently_fullscreen (this->hidden->currently_fullscreen) 200 #define switch_waiting (this->hidden->switch_waiting) 201 #define switch_time (this->hidden->switch_time) 202 #define blit_queued (this->hidden->blit_queued) 203 #define SDL_DisplayColormap (this->hidden->DisplayColormap) 204 #define SDL_PrivateColormap (this->hidden->PrivateColormap) 205 #define SDL_XColorMap (this->hidden->XColorMap) 206 #define SDL_XPixels (this->hidden->XPixels) 207 #define gamma_saved (this->hidden->gamma_saved) 208 #define gamma_changed (this->hidden->gamma_changed) 209 #define SDL_iconcolors (this->hidden->iconcolors) 210 #define allow_screensaver (this->hidden->allow_screensaver) 211 212 /* Some versions of XFree86 have bugs - detect if this is one of them */ 213 #define BUGGY_XFREE86(condition, buggy_version) \ 214 ((SDL_strcmp(ServerVendor(SDL_Display), "The XFree86 Project, Inc") == 0) && \ 215 (VendorRelease(SDL_Display) condition buggy_version)) 216 217 #endif /* _SDL_x11video_h */ 218
