src/video/x11/SDL_x11video.h
author Ryan C. Gordon <icculus@icculus.org>
Wed, 22 Mar 2006 05:00:59 +0000
changeset 1575 3ba88cb7eb1b
parent 1545 8d9bb0cf2c2a
child 1589 34cca785be57
permissions -rw-r--r--
Updated dynamic X11 code. See details in Bugzilla #170.
     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_VIDMODE
    38 #include "../Xext/extensions/xf86vmode.h"
    39 #endif
    40 #if SDL_VIDEO_DRIVER_X11_XME
    41 #include "../Xext/extensions/xme.h"
    42 #endif
    43 
    44 #include "SDL_x11dyn.h"
    45 
    46 /* Hidden "this" pointer for the video functions */
    47 #define _THIS	SDL_VideoDevice *this
    48 
    49 /* Private display data */
    50 struct SDL_PrivateVideoData {
    51     int local_X11;		/* Flag: true if local display */
    52     Display *X11_Display;	/* Used for events and window management */
    53     Display *GFX_Display;	/* Used for graphics and colormap stuff */
    54     Visual *SDL_Visual;		/* The visual used by our window */
    55     Window WMwindow;		/* Input window, managed by window manager */
    56     Window FSwindow;		/* Fullscreen window, completely unmanaged */
    57     Window SDL_Window;		/* Shared by both displays (no X security?) */
    58     Atom WM_DELETE_WINDOW;	/* "close-window" protocol atom */
    59     WMcursor *BlankCursor;	/* The invisible cursor */
    60     XIM X11_IM;		/* Used to communicate with the input method (IM) server */
    61     XIC X11_IC;		/* Used for retaining the state, properties, and semantics of communication with                                                  the input method (IM) server */
    62 
    63     char *SDL_windowid;		/* Flag: true if we have been passed a window */
    64 
    65     /* Direct Graphics Access extension information */
    66     int using_dga;
    67 
    68 #ifndef NO_SHARED_MEMORY
    69     /* MIT shared memory extension information */
    70     int use_mitshm;
    71     XShmSegmentInfo shminfo;
    72 #endif
    73 
    74     /* The variables used for displaying graphics */
    75     XImage *Ximage;		/* The X image for our window */
    76     GC	gc;			/* The graphic context for drawing */
    77 
    78     /* The current width and height of the fullscreen mode */
    79     int window_w;
    80     int window_h;
    81 
    82     /* Support for internal mouse warping */
    83     struct {
    84         int x;
    85         int y;
    86     } mouse_last;
    87     struct {
    88         int numerator;
    89         int denominator;
    90         int threshold;
    91     } mouse_accel;
    92     int mouse_relative;
    93 
    94     /* The current list of available video modes */
    95     SDL_Rect **modelist;
    96 
    97     /* available visuals of interest to us, sorted deepest first */
    98     struct {
    99 	Visual *visual;
   100 	int depth;		/* number of significant bits/pixel */
   101 	int bpp;		/* pixel quantum in bits */
   102     } visuals[2*5];		/* at most 2 entries for 8, 15, 16, 24, 32 */
   103     int nvisuals;
   104 
   105     Visual *vis;		/* current visual in use */
   106     int depth;			/* current visual depth (not bpp) */
   107 
   108     /* Variables used by the X11 video mode code */
   109 #if SDL_VIDEO_DRIVER_X11_VIDMODE
   110     SDL_NAME(XF86VidModeModeInfo) saved_mode;
   111     struct {
   112         int x, y;
   113     } saved_view;
   114 #endif
   115 #if SDL_VIDEO_DRIVER_X11_XME /* XiG XME fullscreen */
   116     int use_xme;
   117     XiGMiscResolutionInfo saved_res;
   118 #endif
   119 
   120     int xinerama_x;
   121     int xinerama_y;
   122     int use_vidmode;
   123     int currently_fullscreen;
   124 
   125     /* Automatic mode switching support (entering/leaving fullscreen) */
   126     Uint32 switch_waiting;
   127     Uint32 switch_time;
   128 
   129     /* Prevent too many XSync() calls */
   130     int blit_queued;
   131 
   132     /* Colormap handling */
   133     Colormap DisplayColormap;	/* The default display colormap */
   134     Colormap XColorMap;		/* The current window colormap */
   135     int *XPixels;		/* pixels value allocation counts */
   136     float gamma_saved[3];	/* Saved gamma values for VidMode gamma */
   137     int gamma_changed;		/* flag: has VidMode gamma been modified? */
   138 
   139     short *iconcolors;		/* List of colors used by the icon */
   140 };
   141 
   142 /* Old variable names */
   143 #define local_X11		(this->hidden->local_X11)
   144 #define SDL_Display		(this->hidden->X11_Display)
   145 #define GFX_Display		(this->hidden->GFX_Display)
   146 #define SDL_Screen		DefaultScreen(this->hidden->X11_Display)
   147 #define SDL_Visual		(this->hidden->vis)
   148 #define SDL_Root		RootWindow(SDL_Display, SDL_Screen)
   149 #define WMwindow		(this->hidden->WMwindow)
   150 #define FSwindow		(this->hidden->FSwindow)
   151 #define SDL_Window		(this->hidden->SDL_Window)
   152 #define WM_DELETE_WINDOW	(this->hidden->WM_DELETE_WINDOW)
   153 #define SDL_BlankCursor		(this->hidden->BlankCursor)
   154 #define SDL_IM			(this->hidden->X11_IM)
   155 #define SDL_IC			(this->hidden->X11_IC)
   156 #define SDL_windowid		(this->hidden->SDL_windowid)
   157 #define using_dga		(this->hidden->using_dga)
   158 #define use_mitshm		(this->hidden->use_mitshm)
   159 #define shminfo			(this->hidden->shminfo)
   160 #define SDL_Ximage		(this->hidden->Ximage)
   161 #define SDL_GC			(this->hidden->gc)
   162 #define window_w		(this->hidden->window_w)
   163 #define window_h		(this->hidden->window_h)
   164 #define mouse_last		(this->hidden->mouse_last)
   165 #define mouse_accel		(this->hidden->mouse_accel)
   166 #define mouse_relative		(this->hidden->mouse_relative)
   167 #define SDL_modelist		(this->hidden->modelist)
   168 #define saved_mode		(this->hidden->saved_mode)
   169 #define saved_view		(this->hidden->saved_view)
   170 #define use_xme			(this->hidden->use_xme)
   171 #define saved_res		(this->hidden->saved_res)
   172 #define xinerama_x		(this->hidden->xinerama_x)
   173 #define xinerama_y		(this->hidden->xinerama_y)
   174 #define use_vidmode		(this->hidden->use_vidmode)
   175 #define currently_fullscreen	(this->hidden->currently_fullscreen)
   176 #define switch_waiting		(this->hidden->switch_waiting)
   177 #define switch_time		(this->hidden->switch_time)
   178 #define blit_queued		(this->hidden->blit_queued)
   179 #define SDL_DisplayColormap	(this->hidden->DisplayColormap)
   180 #define SDL_PrivateColormap	(this->hidden->PrivateColormap)
   181 #define SDL_XColorMap		(this->hidden->XColorMap)
   182 #define SDL_XPixels		(this->hidden->XPixels)
   183 #define gamma_saved		(this->hidden->gamma_saved)
   184 #define gamma_changed		(this->hidden->gamma_changed)
   185 #define SDL_iconcolors		(this->hidden->iconcolors)
   186 /* Some versions of XFree86 have bugs - detect if this is one of them */
   187 #define BUGGY_XFREE86(condition, buggy_version) \
   188 ((SDL_strcmp(ServerVendor(SDL_Display), "The XFree86 Project, Inc") == 0) && \
   189  (VendorRelease(SDL_Display) condition buggy_version))
   190 
   191 #endif /* _SDL_x11video_h */