2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2009 Sam Lantinga
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.
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.
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
22 #include "SDL_config.h"
24 #ifndef _SDL_x11video_h
25 #define _SDL_x11video_h
28 #include <X11/Xutil.h>
29 #include <X11/Xatom.h>
31 #include "SDL_mouse.h"
32 #include "../SDL_sysvideo.h"
34 #if SDL_VIDEO_DRIVER_X11_DGAMOUSE
35 #include "../Xext/extensions/xf86dga.h"
37 #if SDL_VIDEO_DRIVER_X11_XINERAMA
38 #include "../Xext/extensions/Xinerama.h"
40 #if SDL_VIDEO_DRIVER_X11_XRANDR
41 #include <X11/extensions/Xrandr.h>
43 #if SDL_VIDEO_DRIVER_X11_VIDMODE
44 #include "../Xext/extensions/xf86vmode.h"
46 #if SDL_VIDEO_DRIVER_X11_XME
47 #include "../Xext/extensions/xme.h"
50 #include "SDL_x11dyn.h"
52 /* Hidden "this" pointer for the video functions */
53 #define _THIS SDL_VideoDevice *this
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 */
69 char *SDL_windowid; /* Flag: true if we have been passed a window */
71 /* Direct Graphics Access extension information */
74 #ifndef NO_SHARED_MEMORY
75 /* MIT shared memory extension information */
77 XShmSegmentInfo shminfo;
80 /* The variables used for displaying graphics */
81 XImage *Ximage; /* The X image for our window */
82 GC gc; /* The graphic context for drawing */
84 /* The current width and height of the fullscreen mode */
88 /* Support for internal mouse warping */
100 /* The current list of available video modes */
103 /* available visuals of interest to us, sorted deepest first */
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 */
111 Visual *vis; /* current visual in use */
112 int depth; /* current visual depth (not bpp) */
114 /* Variables used by the X11 video mode code */
115 #if SDL_VIDEO_DRIVER_X11_XINERAMA
116 SDL_NAME(XineramaScreenInfo) xinerama_info;
118 #if SDL_VIDEO_DRIVER_X11_XRANDR
119 XRRScreenConfiguration* screen_config;
121 Rotation saved_rotation;
123 #if SDL_VIDEO_DRIVER_X11_VIDMODE
124 SDL_NAME(XF86VidModeModeInfo) saved_mode;
129 #if SDL_VIDEO_DRIVER_X11_XME /* XiG XME fullscreen */
130 XiGMiscResolutionInfo saved_res;
137 int currently_fullscreen;
139 /* Automatic mode switching support (entering/leaving fullscreen) */
140 Uint32 switch_waiting;
143 /* Prevent too many XSync() calls */
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? */
153 short *iconcolors; /* List of colors used by the icon */
155 /* Screensaver settings */
156 int allow_screensaver;
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)
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))
214 #endif /* _SDL_x11video_h */