src/video/x11/SDL_x11video.h
author Sam Lantinga <slouken@libsdl.org>
Wed, 06 Mar 2002 11:23:08 +0000
changeset 297 f6ffac90895c
parent 292 eadc0746dfaf
child 769 b8d311d90021
permissions -rw-r--r--
Updated copyright information for 2002
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  Sam Lantinga
     4 
     5     This library is free software; you can redistribute it and/or
     6     modify it under the terms of the GNU Library General Public
     7     License as published by the Free Software Foundation; either
     8     version 2 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     Library General Public License for more details.
    14 
    15     You should have received a copy of the GNU Library General Public
    16     License along with this library; if not, write to the Free
    17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    18 
    19     Sam Lantinga
    20     slouken@libsdl.org
    21 */
    22 
    23 #ifdef SAVE_RCSID
    24 static char rcsid =
    25  "@(#) $Id$";
    26 #endif
    27 
    28 #ifndef _SDL_x11video_h
    29 #define _SDL_x11video_h
    30 
    31 #include <X11/Xlib.h>
    32 #include <X11/Xutil.h>
    33 #include <X11/Xatom.h>
    34 #ifndef NO_SHARED_MEMORY
    35 #include <sys/ipc.h>
    36 #include <sys/shm.h>
    37 #include <X11/extensions/XShm.h>
    38 #endif
    39 #ifdef XFREE86_DGAMOUSE
    40 #include <XFree86/extensions/xf86dga.h>
    41 #endif
    42 #ifdef XFREE86_VM
    43 #include <XFree86/extensions/xf86vmode.h>
    44 #endif
    45 #ifdef HAVE_XIGXME
    46 #include <X11/extensions/xme.h>
    47 #endif
    48 
    49 #include <string.h>
    50 
    51 #include "SDL_mouse.h"
    52 #include "SDL_sysvideo.h"
    53 
    54 /* Hidden "this" pointer for the video functions */
    55 #define _THIS	SDL_VideoDevice *this
    56 
    57 /* Private display data */
    58 struct SDL_PrivateVideoData {
    59     int local_X11;		/* Flag: true if local display */
    60     Display *X11_Display;	/* Used for events and window management */
    61     Display *GFX_Display;	/* Used for graphics and colormap stuff */
    62     Visual *SDL_Visual;		/* The visual used by our window */
    63     Window WMwindow;		/* Input window, managed by window manager */
    64     Window FSwindow;		/* Fullscreen window, completely unmanaged */
    65     Window SDL_Window;		/* Shared by both displays (no X security?) */
    66     Atom WM_DELETE_WINDOW;	/* "close-window" protocol atom */
    67     WMcursor *BlankCursor;	/* The invisible cursor */
    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 current_w;
    86     int current_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 #ifdef XFREE86_VM
   116     SDL_NAME(XF86VidModeModeInfo) saved_mode;
   117     struct {
   118         int x, y;
   119     } saved_view;
   120 #endif
   121 #ifdef HAVE_XIGXME /* XiG XME fullscreen */
   122     int use_xme;
   123     XiGMiscResolutionInfo saved_res;
   124 #endif
   125 
   126     int xinerama_x;
   127     int xinerama_y;
   128     int use_vidmode;
   129     int currently_fullscreen;
   130 
   131     /* Automatic mode switching support (entering/leaving fullscreen) */
   132     Uint32 switch_waiting;
   133     Uint32 switch_time;
   134 
   135     /* Prevent too many XSync() calls */
   136     int blit_queued;
   137 
   138     /* Colormap handling */
   139     Colormap DisplayColormap;	/* The default display colormap */
   140     Colormap XColorMap;		/* The current window colormap */
   141     int *XPixels;		/* pixels value allocation counts */
   142     float gamma_saved[3];	/* Saved gamma values for VidMode gamma */
   143     int gamma_changed;		/* flag: has VidMode gamma been modified? */
   144 
   145     short *iconcolors;		/* List of colors used by the icon */
   146 };
   147 
   148 /* Old variable names */
   149 #define local_X11		(this->hidden->local_X11)
   150 #define SDL_Display		(this->hidden->X11_Display)
   151 #define GFX_Display		(this->hidden->GFX_Display)
   152 #define SDL_Screen		DefaultScreen(this->hidden->X11_Display)
   153 
   154 #define SDL_Visual		(this->hidden->vis)
   155 
   156 #define SDL_Root		RootWindow(SDL_Display, SDL_Screen)
   157 #define WMwindow		(this->hidden->WMwindow)
   158 #define FSwindow		(this->hidden->FSwindow)
   159 #define SDL_Window		(this->hidden->SDL_Window)
   160 #define WM_DELETE_WINDOW	(this->hidden->WM_DELETE_WINDOW)
   161 #define SDL_BlankCursor		(this->hidden->BlankCursor)
   162 #define SDL_windowid		(this->hidden->SDL_windowid)
   163 #define using_dga		(this->hidden->using_dga)
   164 #define use_mitshm		(this->hidden->use_mitshm)
   165 #define shminfo			(this->hidden->shminfo)
   166 #define SDL_Ximage		(this->hidden->Ximage)
   167 #define SDL_GC			(this->hidden->gc)
   168 #define current_w		(this->hidden->current_w)
   169 #define current_h		(this->hidden->current_h)
   170 #define mouse_last		(this->hidden->mouse_last)
   171 #define mouse_accel		(this->hidden->mouse_accel)
   172 #define mouse_relative		(this->hidden->mouse_relative)
   173 #define SDL_modelist		(this->hidden->modelist)
   174 #define saved_mode		(this->hidden->saved_mode)
   175 #define saved_view		(this->hidden->saved_view)
   176 #define use_xme			(this->hidden->use_xme)
   177 #define saved_res		(this->hidden->saved_res)
   178 #define xinerama_x		(this->hidden->xinerama_x)
   179 #define xinerama_y		(this->hidden->xinerama_y)
   180 #define use_vidmode		(this->hidden->use_vidmode)
   181 #define currently_fullscreen	(this->hidden->currently_fullscreen)
   182 #define switch_waiting		(this->hidden->switch_waiting)
   183 #define switch_time		(this->hidden->switch_time)
   184 #define blit_queued		(this->hidden->blit_queued)
   185 #define SDL_DisplayColormap	(this->hidden->DisplayColormap)
   186 #define SDL_PrivateColormap	(this->hidden->PrivateColormap)
   187 #define SDL_XColorMap		(this->hidden->XColorMap)
   188 #define SDL_XPixels		(this->hidden->XPixels)
   189 #define gamma_saved		(this->hidden->gamma_saved)
   190 #define gamma_changed		(this->hidden->gamma_changed)
   191 #define SDL_iconcolors		(this->hidden->iconcolors)
   192 
   193 /* Some versions of XFree86 have bugs - detect if this is one of them */
   194 #define BUGGY_XFREE86(condition, buggy_version) \
   195 ((strcmp(ServerVendor(SDL_Display), "The XFree86 Project, Inc") == 0) && \
   196  (VendorRelease(SDL_Display) condition buggy_version))
   197 
   198 #endif /* _SDL_x11video_h */