1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2006 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@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 #if SDL_VIDEO_DRIVER_X11_DPMS 50 #include <X11/extensions/dpms.h> 51 #endif 52 53 #include "SDL_x11dyn.h" 54 55 /* Hidden "this" pointer for the video functions */ 56 #define _THIS SDL_VideoDevice *this 57 58 /* Private display data */ 59 struct SDL_PrivateVideoData { 60 int local_X11; /* Flag: true if local display */ 61 Display *X11_Display; /* Used for events and window management */ 62 Display *GFX_Display; /* Used for graphics and colormap stuff */ 63 Visual *SDL_Visual; /* The visual used by our window */ 64 Window WMwindow; /* Input window, managed by window manager */ 65 Window FSwindow; /* Fullscreen window, completely unmanaged */ 66 Window SDL_Window; /* Shared by both displays (no X security?) */ 67 Atom WM_DELETE_WINDOW; /* "close-window" protocol atom */ 68 WMcursor *BlankCursor; /* The invisible cursor */ 69 XIM X11_IM; /* Used to communicate with the input method (IM) server */ 70 XIC X11_IC; /* Used for retaining the state, properties, and semantics of communication with the input method (IM) server */ 71 72 char *SDL_windowid; /* Flag: true if we have been passed a window */ 73 74 /* Direct Graphics Access extension information */ 75 int using_dga; 76 77 #ifndef NO_SHARED_MEMORY 78 /* MIT shared memory extension information */ 79 int use_mitshm; 80 XShmSegmentInfo shminfo; 81 #endif 82 83 /* The variables used for displaying graphics */ 84 XImage *Ximage; /* The X image for our window */ 85 GC gc; /* The graphic context for drawing */ 86 87 /* The current width and height of the fullscreen mode */ 88 int window_w; 89 int window_h; 90 91 /* Support for internal mouse warping */ 92 struct { 93 int x; 94 int y; 95 } mouse_last; 96 struct { 97 int numerator; 98 int denominator; 99 int threshold; 100 } mouse_accel; 101 int mouse_relative; 102 103 /* The current list of available video modes */ 104 SDL_Rect **modelist; 105 106 /* available visuals of interest to us, sorted deepest first */ 107 struct { 108 Visual *visual; 109 int depth; /* number of significant bits/pixel */ 110 int bpp; /* pixel quantum in bits */ 111 } visuals[2*5]; /* at most 2 entries for 8, 15, 16, 24, 32 */ 112 int nvisuals; 113 114 Visual *vis; /* current visual in use */ 115 int depth; /* current visual depth (not bpp) */ 116 117 /* Variables used by the X11 video mode code */ 118 #if SDL_VIDEO_DRIVER_X11_XINERAMA 119 SDL_NAME(XineramaScreenInfo) xinerama_info; 120 #endif 121 #if SDL_VIDEO_DRIVER_X11_XRANDR 122 XRRScreenConfiguration* screen_config; 123 int saved_size_id; 124 Rotation saved_rotation; 125 #endif 126 #if SDL_VIDEO_DRIVER_X11_VIDMODE 127 SDL_NAME(XF86VidModeModeInfo) saved_mode; 128 struct { 129 int x, y; 130 } saved_view; 131 #endif 132 #if SDL_VIDEO_DRIVER_X11_XME /* XiG XME fullscreen */ 133 XiGMiscResolutionInfo saved_res; 134 #endif 135 136 int use_xinerama; 137 int use_xrandr; 138 int use_vidmode; 139 int use_xme; 140 int currently_fullscreen; 141 142 int allow_screensaver; 143 144 /* Automatic mode switching support (entering/leaving fullscreen) */ 145 Uint32 switch_waiting; 146 Uint32 switch_time; 147 148 /* Prevent too many XSync() calls */ 149 int blit_queued; 150 151 /* Colormap handling */ 152 Colormap DisplayColormap; /* The default display colormap */ 153 Colormap XColorMap; /* The current window colormap */ 154 int *XPixels; /* pixels value allocation counts */ 155 float gamma_saved[3]; /* Saved gamma values for VidMode gamma */ 156 int gamma_changed; /* flag: has VidMode gamma been modified? */ 157 158 short *iconcolors; /* List of colors used by the icon */ 159 160 /* Screensaver settings */ 161 int screensaver_timeout; 162 BOOL dpms_enabled; 163 }; 164 165 extern int X11_wmXAdjust; 166 extern int X11_wmYAdjust; 167 168 /* Old variable names */ 169 #define local_X11 (this->hidden->local_X11) 170 #define SDL_Display (this->hidden->X11_Display) 171 #define GFX_Display (this->hidden->GFX_Display) 172 #define SDL_Screen DefaultScreen(this->hidden->X11_Display) 173 #define SDL_Visual (this->hidden->vis) 174 #define SDL_Root RootWindow(SDL_Display, SDL_Screen) 175 #define WMwindow (this->hidden->WMwindow) 176 #define FSwindow (this->hidden->FSwindow) 177 #define SDL_Window (this->hidden->SDL_Window) 178 #define WM_DELETE_WINDOW (this->hidden->WM_DELETE_WINDOW) 179 #define SDL_BlankCursor (this->hidden->BlankCursor) 180 #define SDL_IM (this->hidden->X11_IM) 181 #define SDL_IC (this->hidden->X11_IC) 182 #define SDL_windowid (this->hidden->SDL_windowid) 183 #define using_dga (this->hidden->using_dga) 184 #define use_mitshm (this->hidden->use_mitshm) 185 #define shminfo (this->hidden->shminfo) 186 #define SDL_Ximage (this->hidden->Ximage) 187 #define SDL_GC (this->hidden->gc) 188 #define window_w (this->hidden->window_w) 189 #define window_h (this->hidden->window_h) 190 #define mouse_last (this->hidden->mouse_last) 191 #define mouse_accel (this->hidden->mouse_accel) 192 #define mouse_relative (this->hidden->mouse_relative) 193 #define SDL_modelist (this->hidden->modelist) 194 #define xinerama_info (this->hidden->xinerama_info) 195 #define saved_mode (this->hidden->saved_mode) 196 #define saved_view (this->hidden->saved_view) 197 #define saved_res (this->hidden->saved_res) 198 #define screen_config (this->hidden->screen_config) 199 #define saved_size_id (this->hidden->saved_size_id) 200 #define saved_rotation (this->hidden->saved_rotation) 201 #define use_xinerama (this->hidden->use_xinerama) 202 #define use_vidmode (this->hidden->use_vidmode) 203 #define use_xrandr (this->hidden->use_xrandr) 204 #define use_xme (this->hidden->use_xme) 205 #define currently_fullscreen (this->hidden->currently_fullscreen) 206 #define switch_waiting (this->hidden->switch_waiting) 207 #define switch_time (this->hidden->switch_time) 208 #define blit_queued (this->hidden->blit_queued) 209 #define SDL_DisplayColormap (this->hidden->DisplayColormap) 210 #define SDL_PrivateColormap (this->hidden->PrivateColormap) 211 #define SDL_XColorMap (this->hidden->XColorMap) 212 #define SDL_XPixels (this->hidden->XPixels) 213 #define gamma_saved (this->hidden->gamma_saved) 214 #define gamma_changed (this->hidden->gamma_changed) 215 #define SDL_iconcolors (this->hidden->iconcolors) 216 #define screensaver_timeout (this->hidden->screensaver_timeout) 217 #define dpms_enabled (this->hidden->dpms_enabled) 218 /* Some versions of XFree86 have bugs - detect if this is one of them */ 219 #define BUGGY_XFREE86(condition, buggy_version) \ 220 ((SDL_strcmp(ServerVendor(SDL_Display), "The XFree86 Project, Inc") == 0) && \ 221 (VendorRelease(SDL_Display) condition buggy_version)) 222 223 #endif /* _SDL_x11video_h */ 224