/*

SDL - Simple DirectMedia Layer

Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Library General Public

License as published by the Free Software Foundation; either

version 2 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

Library General Public License for more details.

You should have received a copy of the GNU Library General Public

License along with this library; if not, write to the Free

Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

Sam Lantinga

slouken@devolution.com

*/

#ifdef SAVE_RCSID

static char rcsid =

"@(#) $Id$";

#endif

#ifndef _SDL_x11video_h

#define _SDL_x11video_h

#include <X11/Xlib.h>

#include <X11/Xutil.h>

#include <X11/Xatom.h>

#ifndef NO_SHARED_MEMORY

#include <sys/ipc.h>

#include <sys/shm.h>

#include <X11/extensions/XShm.h>

#endif

#ifdef XFREE86_DGAMOUSE

#include <X11/extensions/xf86dga.h>

#endif

#ifdef XFREE86_VM

#include <X11/extensions/xf86vmode.h>

#ifdef XFREE86_VM_DYNAMIC_HACK

#define XVidMode(func, args) XF40VidMode##func args

#else

#define XVidMode(func, args) XF86VidMode##func args

#endif

#endif /* XFREE86_VM */

#include <string.h>

#include "SDL_mouse.h"

#include "SDL_sysvideo.h"

/* Hidden "this" pointer for the video functions */

#define _THIS SDL_VideoDevice *this

/* Private display data */

struct SDL_PrivateVideoData {

int local_X11; /* Flag: true if local display */

Display *X11_Display; /* Used for events and window management */

Display *GFX_Display; /* Used for graphics and colormap stuff */

Visual *SDL_Visual; /* The visual used by our window */

Window WMwindow; /* Input window, managed by window manager */

Window FSwindow; /* Fullscreen window, completely unmanaged */

Window SDL_Window; /* Shared by both displays (no X security?) */

Atom WM_DELETE_WINDOW; /* "close-window" protocol atom */

WMcursor *BlankCursor; /* The invisible cursor */

char *SDL_windowid; /* Flag: true if we have been passed a window */

/* Direct Graphics Access extension information */

int using_dga;

#ifndef NO_SHARED_MEMORY

/* MIT shared memory extension information */

int use_mitshm;

XShmSegmentInfo shminfo;

#endif

/* The variables used for displaying graphics */

XImage *Ximage; /* The X image for our window */

GC gc; /* The graphic context for drawing */

int swap_pixels; /* Flag: true if display is swapped endian */

/* The current width and height of the fullscreen mode */

int current_w;

int current_h;

/* Support for internal mouse warping */

struct {

int x;

int y;

} mouse_last;

struct {

int numerator;

int denominator;

int threshold;

} mouse_accel;

int mouse_relative;

/* The current list of available video modes */

SDL_Rect **modelist;

/* available visuals of interest to us, sorted deepest first */

struct {

Visual *visual;

int depth; /* number of significant bits/pixel */

int bpp; /* pixel quantum in bits */

} visuals[2*5]; /* at most 2 entries for 8, 15, 16, 24, 32 */

int nvisuals;

Visual *vis; /* current visual in use */

int depth; /* current visual depth (not bpp) */

/* Variables used by the X11 video mode code */

#ifdef XFREE86_VM

XF86VidModeModeInfo saved_mode;

struct {

int x, y;

} saved_view;

#endif

int use_vidmode;

int currently_fullscreen;

/* Automatic mode switching support (entering/leaving fullscreen) */

Uint32 switch_waiting;

Uint32 switch_time;

/* Prevent too many XSync() calls */

int blit_queued;

/* Colormap handling */

Colormap DisplayColormap; /* The default display colormap */

Colormap XColorMap; /* The current window colormap */

int *XPixels; /* pixels value allocation counts */

float gamma_saved[3]; /* Saved gamma values for VidMode gamma */

int gamma_changed; /* flag: has VidMode gamma been modified? */

short *iconcolors; /* List of colors used by the icon */

};

/* Old variable names */

#define local_X11 (this->hidden->local_X11)

#define SDL_Display (this->hidden->X11_Display)

#define GFX_Display (this->hidden->GFX_Display)

#define SDL_Screen DefaultScreen(this->hidden->X11_Display)

#define SDL_Visual (this->hidden->vis)

#define SDL_Root RootWindow(SDL_Display, SDL_Screen)

#define WMwindow (this->hidden->WMwindow)

#define FSwindow (this->hidden->FSwindow)

#define SDL_Window (this->hidden->SDL_Window)

#define WM_DELETE_WINDOW (this->hidden->WM_DELETE_WINDOW)

#define SDL_BlankCursor (this->hidden->BlankCursor)

#define SDL_windowid (this->hidden->SDL_windowid)

#define using_dga (this->hidden->using_dga)

#define use_mitshm (this->hidden->use_mitshm)

#define shminfo (this->hidden->shminfo)

#define SDL_Ximage (this->hidden->Ximage)

#define SDL_GC (this->hidden->gc)

#define swap_pixels (this->hidden->swap_pixels)

#define current_w (this->hidden->current_w)

#define current_h (this->hidden->current_h)

#define mouse_last (this->hidden->mouse_last)

#define mouse_accel (this->hidden->mouse_accel)

#define mouse_relative (this->hidden->mouse_relative)

#define SDL_modelist (this->hidden->modelist)

#define saved_mode (this->hidden->saved_mode)

#define saved_view (this->hidden->saved_view)

#define use_vidmode (this->hidden->use_vidmode)

#define currently_fullscreen (this->hidden->currently_fullscreen)

#define switch_waiting (this->hidden->switch_waiting)

#define switch_time (this->hidden->switch_time)

#define blit_queued (this->hidden->blit_queued)

#define SDL_DisplayColormap (this->hidden->DisplayColormap)

#define SDL_PrivateColormap (this->hidden->PrivateColormap)

#define SDL_XColorMap (this->hidden->XColorMap)

#define SDL_XPixels (this->hidden->XPixels)

#define gamma_saved (this->hidden->gamma_saved)

#define gamma_changed (this->hidden->gamma_changed)

#define SDL_iconcolors (this->hidden->iconcolors)

/* Some versions of XFree86 have bugs - detect if this is one of them */

#define BUGGY_XFREE86(condition, buggy_version) \

((strcmp(ServerVendor(SDL_Display), "The XFree86 Project, Inc") == 0) && \

(VendorRelease(SDL_Display) condition buggy_version))

#endif /* _SDL_x11video_h */