/*

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

/* Utilities for getting and setting the X display mode */

/*

#include <stdlib.h>

#include <string.h>

*/

#include "SDL_timer.h"

#include "SDL_error.h"

#include "SDL_events.h"

#include "SDL_events_c.h"

#include "SDL_cgxvideo.h"

#include "SDL_cgxwm_c.h"

#include "SDL_cgxmodes_c.h"

#define CGX_DEBUG

static void set_best_resolution(_THIS, int width, int height)

{

Uint32 idok;

int depth=8;

if(SDL_Display)

depth=GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH);

idok=BestCModeIDTags(CYBRBIDTG_NominalWidth,width,

CYBRBIDTG_NominalHeight,height,

CYBRBIDTG_Depth,depth,

TAG_DONE);

if(idok!=INVALID_ID)

{

if(SDL_Display)

{

if(currently_fullscreen)

CloseScreen(SDL_Display);

else

UnlockPubScreen(NULL,SDL_Display);

}

SDL_Display=GFX_Display=OpenScreenTags(NULL,SA_Width,width,SA_Height,height,

SA_Depth,depth,SA_DisplayID,idok,

TAG_DONE);

}

}

static void get_real_resolution(_THIS, int* w, int* h)

{

*w = SDL_Display->Width;

*h = SDL_Display->Height;

}

static void add_visual(_THIS, int depth, int class)

{

Uint32 tID;

tID=BestCModeIDTags(CYBRBIDTG_Depth,depth,

CYBRBIDTG_NominalWidth,640,

CYBRBIDTG_NominalHeight,480,

TAG_DONE);

if(tID!=INVALID_ID)

{

int n = this->hidden->nvisuals;

this->hidden->visuals[n].depth = depth;

this->hidden->visuals[n].visual = tID;

this->hidden->visuals[n].bpp = GetCyberIDAttr(CYBRIDATTR_BPPIX,tID);

this->hidden->nvisuals++;

}

}

#define TrueColor 1

#define PseudoColor 2

int CGX_GetVideoModes(_THIS)

{

int i;

ULONG nextid;

int nmodes=0;

SDL_modelist=NULL;

nextid=NextDisplayInfo(INVALID_ID);

while(nextid!=INVALID_ID)

{

if(IsCyberModeID(nextid))

{

DisplayInfoHandle h;

if(h=FindDisplayInfo(nextid))

{

struct DimensionInfo info;

if(GetDisplayInfoData(h,(char *)&info,sizeof(struct DimensionInfo),DTAG_DIMS,NULL))

{

int ok=0;

for(i=0;i<nmodes;i++)

{

if( SDL_modelist[i]->w == (info.Nominal.MaxX+1) &&

SDL_modelist[i]->h == (info.Nominal.MaxY+1) )

ok=1;

}

if(!ok)

{

nmodes++;

SDL_modelist = (SDL_Rect **)realloc(SDL_modelist,(nmodes+1)*sizeof(SDL_Rect *));

SDL_modelist[nmodes]=NULL;

if ( SDL_modelist )

{

SDL_modelist[nmodes-1] = (SDL_Rect *)malloc(sizeof(SDL_Rect));

if ( SDL_modelist[nmodes-1] == NULL )

break;

SDL_modelist[nmodes-1]->x = 0;

SDL_modelist[nmodes-1]->y = 0;

SDL_modelist[nmodes-1]->w = info.Nominal.MaxX+1;

SDL_modelist[nmodes-1]->h = info.Nominal.MaxY+1;

}

}

}

}

}

nextid=NextDisplayInfo(nextid);

}

this->hidden->nvisuals = 0;

/* Search for the visuals in deepest-first order, so that the first

will be the richest one */

add_visual(this, 32, TrueColor);

add_visual(this, 24, TrueColor);

add_visual(this, 16, TrueColor);

add_visual(this, 15, TrueColor);

add_visual(this, 8, PseudoColor);

if(this->hidden->nvisuals == 0) {

SDL_SetError("Found no sufficiently capable CGX visuals");

return -1;

}

if ( SDL_modelist == NULL ) {

SDL_modelist = (SDL_Rect **)malloc((1+1)*sizeof(SDL_Rect *));

i = 0;

if ( SDL_modelist ) {

SDL_modelist[i] = (SDL_Rect *)malloc(sizeof(SDL_Rect));

if ( SDL_modelist[i] ) {

SDL_modelist[i]->x = 0;

SDL_modelist[i]->y = 0;

SDL_modelist[i]->w = SDL_Display->Width;

SDL_modelist[i]->h = SDL_Display->Height;

++i;

}

SDL_modelist[i] = NULL;

}

}

D( if ( SDL_modelist ) {

bug("CGX video mode list: (%ld)\n",nmodes);

for ( i=0; SDL_modelist[i]; ++i ) {

bug( "\t%ld x %ld\n",

SDL_modelist[i]->w, SDL_modelist[i]->h);

}

}

);

D( { bug("CGX visuals list: (%ld)\n",this->hidden->nvisuals);

for(i=0;i<this->hidden->nvisuals;i++)

bug("\t%lx - depth: %ld bpp: %ld\n",this->hidden->visuals[i].visual,this->hidden->visuals[i].depth,this->hidden->visuals[i].bpp);

}

);

return 0;

}

int CGX_SupportedVisual(_THIS, SDL_PixelFormat *format)

{

int i;

for(i = 0; i < this->hidden->nvisuals; i++)

{

if(this->hidden->visuals[i].depth == format->BitsPerPixel) // Era bpp

return 1;

}

return 0;

}

SDL_Rect **CGX_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)

{

if ( CGX_SupportedVisual(this, format) ) {

if ( flags & SDL_FULLSCREEN ) {

return(SDL_modelist);

} else {

return((SDL_Rect **)-1);

}

} else {

return((SDL_Rect **)0);

}

}

void CGX_FreeVideoModes(_THIS)

{

int i;

if ( SDL_modelist ) {

for ( i=0; SDL_modelist[i]; ++i ) {

free(SDL_modelist[i]);

}

free(SDL_modelist);

SDL_modelist = NULL;

}

}

int CGX_ResizeFullScreen(_THIS)

{

int x, y;

int real_w, real_h;

if ( currently_fullscreen ) {

/* Per ora non faccio nulla qui */

}

return(1);

}

void _QueueEnterFullScreen(_THIS)

{

}

int CGX_EnterFullScreen(_THIS)

{

int okay;

okay = 1;

if ( ! currently_fullscreen )

{

int real_w, real_h;

/* Map the fullscreen window to blank the screen */

get_real_resolution(this, &real_w, &real_h);

CGX_DestroyWindow(this,this->screen);

set_best_resolution(this, real_w,real_h);

/* Grab the mouse on the fullscreen window

The event handling will know when we become active, and then

enter fullscreen mode if we can't grab the mouse this time.

*/

#if 0

if ( (XGrabPointer(SDL_Display, FSwindow, True, 0,

GrabModeAsync, GrabModeAsync,

FSwindow, None, CurrentTime) != GrabSuccess) ||

(XGrabKeyboard(SDL_Display, WMwindow, True,

GrabModeAsync, GrabModeAsync, CurrentTime) != 0) ) {

XUnmapWindow(SDL_Display, FSwindow);

X11_WaitUnmapped(this, FSwindow);

X11_QueueEnterFullScreen(this);

return(0);

}

#endif

currently_fullscreen = 1;

CGX_CreateWindow(this,this->screen,real_w,real_h,GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH),this->screen->flags);

/* Set the new resolution */

okay = CGX_ResizeFullScreen(this);

if ( ! okay ) {

CGX_LeaveFullScreen(this);

}

/* Set the colormap */

/*

if ( SDL_XColorMap ) {

XInstallColormap(SDL_Display, SDL_XColorMap);

}

*/

}

// CGX_GrabInputNoLock(this, this->input_grab | SDL_GRAB_FULLSCREEN);

return(okay);

}

int CGX_LeaveFullScreen(_THIS)

{

if ( currently_fullscreen ) {

int width,height;

if ( SDL_Window ) {

CloseWindow(SDL_Window);

SDL_Window=NULL;

}

CloseScreen(SDL_Display);

GFX_Display=SDL_Display=LockPubScreen(NULL);

currently_fullscreen = 0;

CGX_CreateWindow(this,this->screen,this->screen->w,this->screen->h,GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH),this->screen->flags);

CGX_ResizeImage(this,this->screen,0L);

}

return(0);

}