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 */ 59struct 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 165extern int X11_wmXAdjust; 166extern 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