| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 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 | |
| 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 | /* Old variable names */ |
| 160 | #define local_X11 (this->hidden->local_X11) |
| 161 | #define SDL_Display (this->hidden->X11_Display) |
| 162 | #define GFX_Display (this->hidden->GFX_Display) |
| 163 | #define SDL_Screen DefaultScreen(this->hidden->X11_Display) |
| 164 | #define SDL_Visual (this->hidden->vis) |
| 165 | #define SDL_Root RootWindow(SDL_Display, SDL_Screen) |
| 166 | #define WMwindow (this->hidden->WMwindow) |
| 167 | #define FSwindow (this->hidden->FSwindow) |
| 168 | #define SDL_Window (this->hidden->SDL_Window) |
| 169 | #define WM_DELETE_WINDOW (this->hidden->WM_DELETE_WINDOW) |
| 170 | #define SDL_BlankCursor (this->hidden->BlankCursor) |
| 171 | #define SDL_IM (this->hidden->X11_IM) |
| 172 | #define SDL_IC (this->hidden->X11_IC) |
| 173 | #define SDL_windowid (this->hidden->SDL_windowid) |
| 174 | #define using_dga (this->hidden->using_dga) |
| 175 | #define use_mitshm (this->hidden->use_mitshm) |
| 176 | #define shminfo (this->hidden->shminfo) |
| 177 | #define SDL_Ximage (this->hidden->Ximage) |
| 178 | #define SDL_GC (this->hidden->gc) |
| 179 | #define window_w (this->hidden->window_w) |
| 180 | #define window_h (this->hidden->window_h) |
| 181 | #define mouse_last (this->hidden->mouse_last) |
| 182 | #define mouse_accel (this->hidden->mouse_accel) |
| 183 | #define mouse_relative (this->hidden->mouse_relative) |
| 184 | #define SDL_modelist (this->hidden->modelist) |
| 185 | #define xinerama_info (this->hidden->xinerama_info) |
| 186 | #define saved_mode (this->hidden->saved_mode) |
| 187 | #define saved_view (this->hidden->saved_view) |
| 188 | #define saved_res (this->hidden->saved_res) |
| 189 | #define screen_config (this->hidden->screen_config) |
| 190 | #define saved_size_id (this->hidden->saved_size_id) |
| 191 | #define saved_rotation (this->hidden->saved_rotation) |
| 192 | #define use_xinerama (this->hidden->use_xinerama) |
| 193 | #define use_vidmode (this->hidden->use_vidmode) |
| 194 | #define use_xrandr (this->hidden->use_xrandr) |
| 195 | #define use_xme (this->hidden->use_xme) |
| 196 | #define currently_fullscreen (this->hidden->currently_fullscreen) |
| 197 | #define switch_waiting (this->hidden->switch_waiting) |
| 198 | #define switch_time (this->hidden->switch_time) |
| 199 | #define blit_queued (this->hidden->blit_queued) |
| 200 | #define SDL_DisplayColormap (this->hidden->DisplayColormap) |
| 201 | #define SDL_PrivateColormap (this->hidden->PrivateColormap) |
| 202 | #define SDL_XColorMap (this->hidden->XColorMap) |
| 203 | #define SDL_XPixels (this->hidden->XPixels) |
| 204 | #define gamma_saved (this->hidden->gamma_saved) |
| 205 | #define gamma_changed (this->hidden->gamma_changed) |
| 206 | #define SDL_iconcolors (this->hidden->iconcolors) |
| 207 | #define allow_screensaver (this->hidden->allow_screensaver) |
| 208 | |
| 209 | /* Some versions of XFree86 have bugs - detect if this is one of them */ |
| 210 | #define BUGGY_XFREE86(condition, buggy_version) \ |
| 211 | ((SDL_strcmp(ServerVendor(SDL_Display), "The XFree86 Project, Inc") == 0) && \ |
| 212 | (VendorRelease(SDL_Display) condition buggy_version)) |
| 213 | |
| 214 | #endif /* _SDL_x11video_h */ |