/*

    SDL - Simple DirectMedia Layer

    Copyright (C) 1997-2006 Sam Lantinga

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

    modify it under the terms of the GNU Lesser General Public

    License as published by the Free Software Foundation; either

    version 2.1 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

    Lesser General Public License for more details.

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

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

    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga

    slouken@libsdl.org

*/

#include "SDL_config.h"

#ifndef _SDL_x11video_h

#define _SDL_x11video_h

#include <X11/Xlib.h>

#include <X11/Xutil.h>

#include <X11/Xatom.h>

#include "SDL_mouse.h"

#include "../SDL_sysvideo.h"

#if SDL_VIDEO_DRIVER_X11_DGAMOUSE

#include "../Xext/extensions/xf86dga.h"

#endif

#if SDL_VIDEO_DRIVER_X11_XINERAMA

#include "../Xext/extensions/Xinerama.h"

#endif 

#if SDL_VIDEO_DRIVER_X11_XRANDR

#include <X11/extensions/Xrandr.h>

#endif

#if SDL_VIDEO_DRIVER_X11_VIDMODE

#include "../Xext/extensions/xf86vmode.h"

#endif

#if SDL_VIDEO_DRIVER_X11_XME

#include "../Xext/extensions/xme.h"

#endif

#if SDL_VIDEO_DRIVER_X11_DPMS

#include <X11/extensions/dpms.h>

#endif

#include "SDL_x11dyn.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 */

    XIM X11_IM;		/* Used to communicate with the input method (IM) server */

    XIC X11_IC;		/* Used for retaining the state, properties, and semantics of communication with                                                  the input method (IM) server */

    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 */

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

    int window_w;

    int window_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 */

#if SDL_VIDEO_DRIVER_X11_XINERAMA

    SDL_NAME(XineramaScreenInfo) xinerama_info;

#endif

#if SDL_VIDEO_DRIVER_X11_XRANDR

    XRRScreenConfiguration* screen_config;

    int saved_size_id;

    Rotation saved_rotation;

#endif

#if SDL_VIDEO_DRIVER_X11_VIDMODE

    SDL_NAME(XF86VidModeModeInfo) saved_mode;

    struct {

        int x, y;

    } saved_view;

#endif

#if SDL_VIDEO_DRIVER_X11_XME /* XiG XME fullscreen */

    XiGMiscResolutionInfo saved_res;

#endif

    int use_xinerama;

    int use_xrandr;

    int use_vidmode;

    int use_xme;

    int currently_fullscreen;

    int allow_screensaver;

    /* 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 */

    /* Screensaver settings */

    int screensaver_timeout;

    BOOL dpms_enabled;

};

/* 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_IM			(this->hidden->X11_IM)

#define SDL_IC			(this->hidden->X11_IC)

#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 window_w		(this->hidden->window_w)

#define window_h		(this->hidden->window_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 xinerama_info		(this->hidden->xinerama_info)

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

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

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

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

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

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

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

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

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

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

#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)

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

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

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

#define BUGGY_XFREE86(condition, buggy_version) \

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

 (VendorRelease(SDL_Display) condition buggy_version))

#endif /* _SDL_x11video_h */