src/video/x11/SDL_x11video.c
author Sam Lantinga <slouken@lokigames.com>
Thu, 26 Apr 2001 16:45:43 +0000
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Library General Public
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    License as published by the Free Software Foundation; either
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    version 2 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Library General Public License for more details.
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    You should have received a copy of the GNU Library General Public
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    License along with this library; if not, write to the Free
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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    Sam Lantinga
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    slouken@devolution.com
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*/
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#ifdef SAVE_RCSID
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static char rcsid =
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 "@(#) $Id$";
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#endif
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/* X11 based SDL video driver implementation.
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   Note:  This implementation does not currently need X11 thread locking,
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          since the event thread uses a separate X connection and any
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          additional locking necessary is handled internally.  However,
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          if full locking is neccessary, take a look at XInitThreads().
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#ifdef MTRR_SUPPORT
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#include <asm/mtrr.h>
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#include <sys/fcntl.h>
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#endif
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#ifdef HAVE_ALLOCA_H
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#include <alloca.h>
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#endif
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#ifdef HAVE_ALLOCA
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#define ALLOCA(n) ((void*)alloca(n))
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#define FREEA(p)
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#else
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#define ALLOCA(n) malloc(n)
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#define FREEA(p) free(p)
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#endif
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#include "SDL.h"
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#include "SDL_error.h"
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#include "SDL_timer.h"
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#include "SDL_thread.h"
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#include "SDL_video.h"
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#include "SDL_mouse.h"
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#include "SDL_endian.h"
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#include "SDL_sysvideo.h"
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#include "SDL_pixels_c.h"
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#include "SDL_events_c.h"
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#include "SDL_x11video.h"
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#include "SDL_x11wm_c.h"
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#include "SDL_x11mouse_c.h"
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#include "SDL_x11events_c.h"
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#include "SDL_x11modes_c.h"
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#include "SDL_x11image_c.h"
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#include "SDL_x11yuv_c.h"
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#include "SDL_x11gl_c.h"
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#include "SDL_x11gamma_c.h"
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#include "blank_cursor.h"
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/* Initialization/Query functions */
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static int X11_VideoInit(_THIS, SDL_PixelFormat *vformat);
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static SDL_Surface *X11_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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static int X11_ToggleFullScreen(_THIS, int on);
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static void X11_UpdateMouse(_THIS);
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static int X11_SetColors(_THIS, int firstcolor, int ncolors,
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			 SDL_Color *colors);
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static int X11_SetGammaRamp(_THIS, Uint16 *ramp);
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static void X11_VideoQuit(_THIS);
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/* X11 driver bootstrap functions */
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static int X11_Available(void)
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{
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	Display *display;
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	display = XOpenDisplay(NULL);
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	if ( display != NULL ) {
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		XCloseDisplay(display);
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	}
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	return(display != NULL);
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}
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static void X11_DeleteDevice(SDL_VideoDevice *device)
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{
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	if ( device ) {
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		if ( device->hidden ) {
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			free(device->hidden);
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		}
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		if ( device->gl_data ) {
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			free(device->gl_data);
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		}
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		free(device);
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	}
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}
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static SDL_VideoDevice *X11_CreateDevice(int devindex)
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{
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	SDL_VideoDevice *device;
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	/* Initialize all variables that we clean on shutdown */
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	device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
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	if ( device ) {
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		memset(device, 0, (sizeof *device));
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		device->hidden = (struct SDL_PrivateVideoData *)
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				malloc((sizeof *device->hidden));
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		device->gl_data = (struct SDL_PrivateGLData *)
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				malloc((sizeof *device->gl_data));
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	}
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	if ( (device == NULL) || (device->hidden == NULL) ||
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	                         (device->gl_data == NULL) ) {
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		SDL_OutOfMemory();
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		X11_DeleteDevice(device);
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		return(0);
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	}
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	memset(device->hidden, 0, (sizeof *device->hidden));
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	memset(device->gl_data, 0, (sizeof *device->gl_data));
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	/* Set the driver flags */
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	device->handles_any_size = 1;
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	/* Set the function pointers */
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	device->VideoInit = X11_VideoInit;
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	device->ListModes = X11_ListModes;
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	device->SetVideoMode = X11_SetVideoMode;
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	device->ToggleFullScreen = X11_ToggleFullScreen;
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	device->UpdateMouse = X11_UpdateMouse;
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#ifdef XFREE86_XV
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	device->CreateYUVOverlay = X11_CreateYUVOverlay;
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#endif
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	device->SetColors = X11_SetColors;
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	device->UpdateRects = NULL;
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	device->VideoQuit = X11_VideoQuit;
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	device->AllocHWSurface = X11_AllocHWSurface;
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	device->CheckHWBlit = NULL;
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	device->FillHWRect = NULL;
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	device->SetHWColorKey = NULL;
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	device->SetHWAlpha = NULL;
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	device->LockHWSurface = X11_LockHWSurface;
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	device->UnlockHWSurface = X11_UnlockHWSurface;
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	device->FlipHWSurface = X11_FlipHWSurface;
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	device->FreeHWSurface = X11_FreeHWSurface;
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	device->SetGamma = X11_SetVidModeGamma;
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	device->GetGamma = X11_GetVidModeGamma;
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	device->SetGammaRamp = X11_SetGammaRamp;
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	device->GetGammaRamp = NULL;
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#ifdef HAVE_OPENGL
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	device->GL_LoadLibrary = X11_GL_LoadLibrary;
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	device->GL_GetProcAddress = X11_GL_GetProcAddress;
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	device->GL_GetAttribute = X11_GL_GetAttribute;
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	device->GL_MakeCurrent = X11_GL_MakeCurrent;
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	device->GL_SwapBuffers = X11_GL_SwapBuffers;
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#endif
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	device->SetCaption = X11_SetCaption;
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	device->SetIcon = X11_SetIcon;
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	device->IconifyWindow = X11_IconifyWindow;
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	device->GrabInput = X11_GrabInput;
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	device->GetWMInfo = X11_GetWMInfo;
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	device->FreeWMCursor = X11_FreeWMCursor;
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	device->CreateWMCursor = X11_CreateWMCursor;
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	device->ShowWMCursor = X11_ShowWMCursor;
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	device->WarpWMCursor = X11_WarpWMCursor;
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	device->CheckMouseMode = X11_CheckMouseMode;
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	device->InitOSKeymap = X11_InitOSKeymap;
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	device->PumpEvents = X11_PumpEvents;
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	device->free = X11_DeleteDevice;
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	return device;
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}
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VideoBootStrap X11_bootstrap = {
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	"x11", "X Window System",
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	X11_Available, X11_CreateDevice
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};
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/* Shared memory information */
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extern int XShmQueryExtension(Display *dpy);	/* Not in X11 headers */
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/* Normal X11 error handler routine */
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static int (*X_handler)(Display *, XErrorEvent *) = NULL;
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static int x_errhandler(Display *d, XErrorEvent *e)
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{
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#ifdef XFREE86_VM
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	extern int vm_error;
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#endif
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#ifdef XFREE86_DGAMOUSE
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	extern int dga_error;
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#endif
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#ifdef XFREE86_VM
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	/* VidMode errors are non-fatal. :) */
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	/* Are the errors offset by one from the error base?
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	   e.g. the error base is 143, the code is 148, and the
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	        actual error is XF86VidModeExtensionDisabled (4) ?
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	 */
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        if ( (vm_error >= 0) &&
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	     (((e->error_code == BadRequest)&&(e->request_code == vm_error)) ||
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	      ((e->error_code > vm_error) &&
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	       (e->error_code <= (vm_error+XF86VidModeNumberErrors)))) ) {
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#ifdef XFREE86_DEBUG
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{ char errmsg[1024];
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  XGetErrorText(d, e->error_code, errmsg, sizeof(errmsg));
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printf("VidMode error: %s\n", errmsg);
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}
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#endif
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        	return(0);
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        }
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#endif /* XFREE86_VM */
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#ifdef XFREE86_DGAMOUSE
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	/* DGA errors can be non-fatal. :) */
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        if ( (dga_error >= 0) &&
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	     ((e->error_code > dga_error) &&
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	      (e->error_code <= (dga_error+XF86DGANumberErrors))) ) {
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#ifdef XFREE86_DEBUG
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{ char errmsg[1024];
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  XGetErrorText(d, e->error_code, errmsg, sizeof(errmsg));
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printf("DGA error: %s\n", errmsg);
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}
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#endif
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        	return(0);
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        }
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#endif /* XFREE86_DGAMOUSE */
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	return(X_handler(d,e));
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}
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/* X11 I/O error handler routine */
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static int (*XIO_handler)(Display *) = NULL;
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static int xio_errhandler(Display *d)
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{
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	/* Ack!  Lost X11 connection! */
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	/* We will crash if we try to clean up our display */
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	if ( current_video->hidden->Ximage ) {
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		SDL_VideoSurface->pixels = NULL;
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	}
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	current_video->hidden->X11_Display = NULL;
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	/* Continue with the standard X11 error handler */
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	return(XIO_handler(d));
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}
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/* Create auxiliary (toplevel) windows with the current visual */
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static void create_aux_windows(_THIS)
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{
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    XSetWindowAttributes xattr;
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    XWMHints *hints;
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    XTextProperty titleprop, iconprop;
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    int def_vis = (SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen));
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    /* Don't create any extra windows if we are being managed */
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    if ( SDL_windowid ) {
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	FSwindow = 0;
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	WMwindow = strtol(SDL_windowid, NULL, 0);
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        return;
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    }
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    if(FSwindow)
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	XDestroyWindow(SDL_Display, FSwindow);
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    xattr.override_redirect = True;
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    xattr.background_pixel = def_vis ? BlackPixel(SDL_Display, SDL_Screen) : 0;
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    xattr.border_pixel = 0;
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    xattr.colormap = SDL_XColorMap;
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    FSwindow = XCreateWindow(SDL_Display, SDL_Root, 0, 0, 32, 32, 0,
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			     this->hidden->depth, InputOutput, SDL_Visual,
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			     CWOverrideRedirect | CWBackPixel | CWBorderPixel
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   288
			     | CWColormap,
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   289
			     &xattr);
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    XSelectInput(SDL_Display, FSwindow, StructureNotifyMask);
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   292
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    /* Tell KDE to keep the fullscreen window on top */
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    {
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	XEvent ev;
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	long mask;
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	memset(&ev, 0, sizeof(ev));
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	ev.xclient.type = ClientMessage;
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	ev.xclient.window = SDL_Root;
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	ev.xclient.message_type = XInternAtom(SDL_Display,
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					      "KWM_KEEP_ON_TOP", False);
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	ev.xclient.format = 32;
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	ev.xclient.data.l[0] = FSwindow;
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	ev.xclient.data.l[1] = CurrentTime;
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   306
	mask = SubstructureRedirectMask;
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   307
	XSendEvent(SDL_Display, SDL_Root, False, mask, &ev);
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   308
    }
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    hints = NULL;
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    titleprop.value = iconprop.value = NULL;
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    if(WMwindow) {
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parents:
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   313
	/* All window attributes must survive the recreation */
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parents:
diff changeset
   314
	hints = XGetWMHints(SDL_Display, WMwindow);
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parents:
diff changeset
   315
	XGetWMName(SDL_Display, WMwindow, &titleprop);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   316
	XGetWMIconName(SDL_Display, WMwindow, &iconprop);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   317
	XDestroyWindow(SDL_Display, WMwindow);
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parents:
diff changeset
   318
    }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   319
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   320
    /* Create the window for windowed management */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   321
    /* (reusing the xattr structure above) */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   322
    WMwindow = XCreateWindow(SDL_Display, SDL_Root, 0, 0, 32, 32, 0,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   323
			     this->hidden->depth, InputOutput, SDL_Visual,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   324
			     CWBackPixel | CWBorderPixel | CWColormap,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   325
			     &xattr);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   326
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   327
    /* Set the input hints so we get keyboard input */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   328
    if(!hints) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   329
	hints = XAllocWMHints();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   330
	hints->input = True;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   331
	hints->flags = InputHint;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   332
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   333
    XSetWMHints(SDL_Display, WMwindow, hints);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   334
    XFree(hints);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   335
    if(titleprop.value) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   336
	XSetWMName(SDL_Display, WMwindow, &titleprop);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   337
	XFree(titleprop.value);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   338
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   339
    if(iconprop.value) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   340
	XSetWMIconName(SDL_Display, WMwindow, &iconprop);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   341
	XFree(iconprop.value);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   342
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   343
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   344
    XSelectInput(SDL_Display, WMwindow,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   345
		 FocusChangeMask | KeyPressMask | KeyReleaseMask
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   346
		 | PropertyChangeMask | StructureNotifyMask | KeymapStateMask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   347
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   348
    /* Set the class hints so we can get an icon (AfterStep) */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   349
    {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   350
	XClassHint *classhints;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   351
	classhints = XAllocClassHint();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   352
	if(classhints != NULL) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   353
	    classhints->res_name = "SDL_App";
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   354
	    classhints->res_class = "SDL_App";
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   355
	    XSetClassHint(SDL_Display, WMwindow, classhints);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   356
	    XFree(classhints);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   357
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   358
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   359
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   360
    /* Allow the window to be deleted by the window manager */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   361
    WM_DELETE_WINDOW = XInternAtom(SDL_Display, "WM_DELETE_WINDOW", False);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   362
    XSetWMProtocols(SDL_Display, WMwindow, &WM_DELETE_WINDOW, 1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   363
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   364
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   365
static int X11_VideoInit(_THIS, SDL_PixelFormat *vformat)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   366
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   367
	char *display;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   368
	int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   369
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   370
	/* Open the X11 display */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   371
	display = NULL;		/* Get it from DISPLAY environment variable */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   372
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   373
	if ( (strncmp(XDisplayName(display), ":", 1) == 0) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   374
	     (strncmp(XDisplayName(display), "unix:", 5) == 0) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   375
		local_X11 = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   376
	} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   377
		local_X11 = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   378
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   379
	SDL_Display = XOpenDisplay(display);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   380
	if ( SDL_Display == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   381
		SDL_SetError("Couldn't open X11 display");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   382
		return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   383
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   384
#ifdef X11_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   385
	XSynchronize(SDL_Display, True);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   386
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   387
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   388
	/* Create an alternate X display for graphics updates -- allows us
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   389
	   to do graphics updates in a separate thread from event handling.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   390
	   Thread-safe X11 doesn't seem to exist.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   391
	 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   392
	GFX_Display = XOpenDisplay(display);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   393
	if ( GFX_Display == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   394
		SDL_SetError("Couldn't open X11 display");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   395
		return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   396
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   397
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   398
	/* Set the normal X error handler */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   399
	X_handler = XSetErrorHandler(x_errhandler);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   400
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   401
	/* Set the error handler if we lose the X display */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   402
	XIO_handler = XSetIOErrorHandler(xio_errhandler);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   403
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   404
	/* use default screen (from $DISPLAY) */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   405
	SDL_Screen = DefaultScreen(SDL_Display);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   406
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   407
#ifndef NO_SHARED_MEMORY
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   408
	/* Check for MIT shared memory extension */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   409
	use_mitshm = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   410
	if ( local_X11 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   411
		use_mitshm = XShmQueryExtension(SDL_Display);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   412
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   413
#endif /* NO_SHARED_MEMORY */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   414
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   415
	/* See whether or not we need to swap pixels */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   416
	swap_pixels = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   417
	if ( SDL_BYTEORDER == SDL_LIL_ENDIAN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   418
		if ( XImageByteOrder(SDL_Display) == MSBFirst ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   419
			swap_pixels = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   420
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   421
	} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   422
		if ( XImageByteOrder(SDL_Display) == LSBFirst ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   423
			swap_pixels = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   424
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   425
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   426
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   427
	/* Get the available video modes */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   428
	if(X11_GetVideoModes(this) < 0)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   429
	    return -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   430
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   431
	/* Determine the default screen depth:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   432
	   Use the default visual (or at least one with the same depth) */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   433
	SDL_DisplayColormap = DefaultColormap(SDL_Display, SDL_Screen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   434
	for(i = 0; i < this->hidden->nvisuals; i++)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   435
	    if(this->hidden->visuals[i].depth == DefaultDepth(SDL_Display,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   436
							      SDL_Screen))
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   437
		break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   438
	if(i == this->hidden->nvisuals) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   439
	    /* default visual was useless, take the deepest one instead */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   440
	    i = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   441
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   442
	SDL_Visual = this->hidden->visuals[i].visual;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   443
	if ( SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   444
	    SDL_XColorMap = SDL_DisplayColormap;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   445
	} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   446
	    SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   447
					    SDL_Visual, AllocNone);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   448
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   449
	this->hidden->depth = this->hidden->visuals[i].depth;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   450
	vformat->BitsPerPixel = this->hidden->visuals[i].bpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   451
	if ( vformat->BitsPerPixel > 8 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   452
		vformat->Rmask = SDL_Visual->red_mask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   453
	  	vformat->Gmask = SDL_Visual->green_mask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   454
	  	vformat->Bmask = SDL_Visual->blue_mask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   455
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   456
	X11_SaveVidModeGamma(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   457
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   458
	/* See if we have been passed a window to use */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   459
	SDL_windowid = getenv("SDL_WINDOWID");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   460
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   461
	/* Create the fullscreen and managed windows */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   462
	create_aux_windows(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   463
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   464
	/* Create the blank cursor */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   465
	SDL_BlankCursor = this->CreateWMCursor(this, blank_cdata, blank_cmask,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   466
					BLANK_CWIDTH, BLANK_CHEIGHT,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   467
						BLANK_CHOTX, BLANK_CHOTY);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   468
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   469
	/* Fill in some window manager capabilities */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   470
	this->info.wm_available = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   471
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   472
	/* We're done! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   473
	XFlush(SDL_Display);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   474
	return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   475
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   476
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   477
static void X11_DestroyWindow(_THIS, SDL_Surface *screen)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   478
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   479
	/* Clean up OpenGL */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   480
	if ( screen ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   481
		screen->flags &= ~(SDL_OPENGL|SDL_OPENGLBLIT);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   482
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   483
	X11_GL_Shutdown(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   484
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   485
	if ( ! SDL_windowid ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   486
		/* Hide the managed window */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   487
		if ( WMwindow ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   488
			XUnmapWindow(SDL_Display, WMwindow);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   489
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   490
		if ( screen && (screen->flags & SDL_FULLSCREEN) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   491
			screen->flags &= ~SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   492
			X11_LeaveFullScreen(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   493
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   494
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   495
		/* Destroy the output window */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   496
		if ( SDL_Window ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   497
			XDestroyWindow(SDL_Display, SDL_Window);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   498
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   499
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   500
		/* Free the colormap entries */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   501
		if ( SDL_XPixels ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   502
			int numcolors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   503
			unsigned long pixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   504
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   505
			numcolors = SDL_Visual->map_entries;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   506
			for ( pixel=0; pixel<numcolors; ++pixel ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   507
				while ( SDL_XPixels[pixel] > 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   508
					XFreeColors(GFX_Display,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   509
						SDL_DisplayColormap,&pixel,1,0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   510
					--SDL_XPixels[pixel];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   511
				}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   512
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   513
			free(SDL_XPixels);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   514
			SDL_XPixels = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   515
		} 
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   516
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   517
		/* Free the graphics context */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   518
		if ( SDL_GC ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   519
			XFreeGC(SDL_Display, SDL_GC);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   520
			SDL_GC = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   521
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   522
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   523
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   524
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   525
static void X11_SetSizeHints(_THIS, int w, int h, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   526
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   527
	XSizeHints *hints;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   528
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   529
	hints = XAllocSizeHints();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   530
	if ( hints ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   531
		if ( flags & SDL_RESIZABLE ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   532
			hints->min_width = 32;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   533
			hints->min_height = 32;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   534
			hints->max_height = 4096;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   535
			hints->max_width = 4096;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   536
		} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   537
			hints->min_width = hints->max_width = w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   538
			hints->min_height = hints->max_height = h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   539
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   540
		hints->flags = PMaxSize | PMinSize;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   541
		if ( flags & SDL_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   542
			hints->x = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   543
			hints->y = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   544
			hints->flags |= USPosition;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   545
		} else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   546
		/* Center it, if desired */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   547
		if ( getenv("SDL_VIDEO_CENTERED") ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   548
			int display_w, display_h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   549
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   550
			display_w = DisplayWidth(SDL_Display, SDL_Screen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   551
			display_h = DisplayHeight(SDL_Display, SDL_Screen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   552
			hints->x = (display_w - w)/2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   553
			hints->y = (display_h - h)/2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   554
			hints->flags |= USPosition;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   555
			XMoveWindow(SDL_Display, WMwindow, hints->x, hints->y);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   556
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   557
			/* Flush the resize event so we don't catch it later */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   558
			XSync(SDL_Display, True);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   559
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   560
		XSetWMNormalHints(SDL_Display, WMwindow, hints);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   561
		XFree(hints);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   562
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   563
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   564
	/* Respect the window caption style */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   565
	if ( flags & SDL_NOFRAME ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   566
		SDL_bool set;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   567
		Atom WM_HINTS;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   568
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   569
		/* We haven't modified the window manager hints yet */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   570
		set = SDL_FALSE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   571
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   572
		/* First try to set MWM hints */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   573
		WM_HINTS = XInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   574
		if ( WM_HINTS != None ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   575
			/* Hints used by Motif compliant window managers */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   576
			struct {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   577
				unsigned long flags;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   578
				unsigned long functions;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   579
				unsigned long decorations;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   580
				long input_mode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   581
				unsigned long status;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   582
			} MWMHints = { (1L << 1), 0, 0, 0, 0 };
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   583
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   584
			XChangeProperty(SDL_Display, WMwindow,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   585
			                WM_HINTS, WM_HINTS, 32,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   586
			                PropModeReplace,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   587
					(unsigned char *)&MWMHints,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   588
					sizeof(MWMHints)/sizeof(long));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   589
			set = SDL_TRUE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   590
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   591
		/* Now try to set KWM hints */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   592
		WM_HINTS = XInternAtom(SDL_Display, "KWM_WIN_DECORATION", True);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   593
		if ( WM_HINTS != None ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   594
			long KWMHints = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   595
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   596
			XChangeProperty(SDL_Display, WMwindow,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   597
			                WM_HINTS, WM_HINTS, 32,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   598
			                PropModeReplace,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   599
					(unsigned char *)&KWMHints,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   600
					sizeof(KWMHints)/sizeof(long));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   601
			set = SDL_TRUE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   602
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   603
		/* Now try to set GNOME hints */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   604
		WM_HINTS = XInternAtom(SDL_Display, "_WIN_HINTS", True);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   605
		if ( WM_HINTS != None ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   606
			long GNOMEHints = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   607
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   608
			XChangeProperty(SDL_Display, WMwindow,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   609
			                WM_HINTS, WM_HINTS, 32,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   610
			                PropModeReplace,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   611
					(unsigned char *)&GNOMEHints,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   612
					sizeof(GNOMEHints)/sizeof(long));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   613
			set = SDL_TRUE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   614
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   615
		/* Finally set the transient hints if necessary */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   616
		if ( ! set ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   617
			XSetTransientForHint(SDL_Display, WMwindow, SDL_Root);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   618
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   619
	} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   620
		SDL_bool set;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   621
		Atom WM_HINTS;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   622
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   623
		/* We haven't modified the window manager hints yet */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   624
		set = SDL_FALSE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   625
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   626
		/* First try to unset MWM hints */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   627
		WM_HINTS = XInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   628
		if ( WM_HINTS != None ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   629
			XDeleteProperty(SDL_Display, WMwindow, WM_HINTS);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   630
			set = SDL_TRUE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   631
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   632
		/* Now try to unset KWM hints */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   633
		WM_HINTS = XInternAtom(SDL_Display, "KWM_WIN_DECORATION", True);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   634
		if ( WM_HINTS != None ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   635
			XDeleteProperty(SDL_Display, WMwindow, WM_HINTS);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   636
			set = SDL_TRUE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   637
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   638
		/* Now try to unset GNOME hints */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   639
		WM_HINTS = XInternAtom(SDL_Display, "_WIN_HINTS", True);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   640
		if ( WM_HINTS != None ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   641
			XDeleteProperty(SDL_Display, WMwindow, WM_HINTS);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   642
			set = SDL_TRUE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   643
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   644
		/* Finally unset the transient hints if necessary */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   645
		if ( ! set ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   646
			/* NOTE: Does this work? */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   647
			XSetTransientForHint(SDL_Display, WMwindow, None);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   648
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   649
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   650
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   651
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   652
static int X11_CreateWindow(_THIS, SDL_Surface *screen,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   653
			    int w, int h, int bpp, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   654
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   655
	int i, depth;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   656
	Visual *vis;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   657
	int vis_change;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   658
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   659
	/* If a window is already present, destroy it and start fresh */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   660
	if ( SDL_Window ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   661
		X11_DestroyWindow(this, screen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   662
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   663
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   664
	/* See if we have been given a window id */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   665
	if ( SDL_windowid ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   666
		SDL_Window = strtol(SDL_windowid, NULL, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   667
	} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   668
		SDL_Window = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   669
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   670
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   671
	/* find out which visual we are going to use */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   672
	if ( flags & SDL_OPENGL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   673
		XVisualInfo *vi;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   674
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   675
		vi = X11_GL_GetVisual(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   676
		if( !vi ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   677
			return -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   678
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   679
		vis = vi->visual;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   680
		depth = vi->depth;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   681
	} else if ( SDL_windowid ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   682
		XWindowAttributes a;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   683
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   684
		XGetWindowAttributes(SDL_Display, SDL_Window, &a);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   685
		vis = a.visual;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   686
		depth = a.depth;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   687
	} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   688
		for ( i = 0; i < this->hidden->nvisuals; i++ ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   689
			if ( this->hidden->visuals[i].bpp == bpp )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   690
				break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   691
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   692
		if ( i == this->hidden->nvisuals ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   693
			SDL_SetError("No matching visual for requested depth");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   694
			return -1;	/* should never happen */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   695
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   696
		vis = this->hidden->visuals[i].visual;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   697
		depth = this->hidden->visuals[i].depth;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   698
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   699
#ifdef X11_DEBUG
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   700
        printf("Choosing %s visual at %d bpp - %d colormap entries\n", vis->class == PseudoColor ? "PseudoColor" : (vis->class == TrueColor ? "TrueColor" : (vis->class == DirectColor ? "DirectColor" : "Unknown")), depth, vis->map_entries);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   701
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   702
	vis_change = (vis != SDL_Visual);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   703
	SDL_Visual = vis;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   704
	this->hidden->depth = depth;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   705
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   706
	/* Allocate the new pixel format for this video mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   707
	if ( ! SDL_ReallocFormat(screen, bpp,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   708
			vis->red_mask, vis->green_mask, vis->blue_mask, 0) )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   709
		return -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   710
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   711
	/* Create the appropriate colormap */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   712
	if ( SDL_XColorMap != SDL_DisplayColormap ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   713
		XFreeColormap(SDL_Display, SDL_XColorMap);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   714
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   715
	if ( SDL_Visual->class == PseudoColor ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   716
	    int ncolors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   717
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   718
	    /* Allocate the pixel flags */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   719
	    ncolors = SDL_Visual->map_entries;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   720
	    SDL_XPixels = malloc(ncolors * sizeof(int));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   721
	    if(SDL_XPixels == NULL) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   722
		SDL_OutOfMemory();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   723
		return -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   724
	    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   725
	    memset(SDL_XPixels, 0, ncolors * sizeof(*SDL_XPixels));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   726
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   727
	    /* always allocate a private colormap on non-default visuals */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   728
	    if ( SDL_Visual != DefaultVisual(SDL_Display, SDL_Screen) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   729
		flags |= SDL_HWPALETTE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   730
	    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   731
	    if ( flags & SDL_HWPALETTE ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   732
		screen->flags |= SDL_HWPALETTE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   733
		SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   734
		                                SDL_Visual, AllocAll);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   735
	    } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   736
		SDL_XColorMap = SDL_DisplayColormap;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   737
	    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   738
	} else if ( SDL_Visual->class == DirectColor ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   739
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   740
	    /* Create a colormap which we can manipulate for gamma */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   741
	    SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   742
		                            SDL_Visual, AllocAll);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   743
            XSync(SDL_Display, False);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   744
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   745
	    /* Initialize the colormap to the identity mapping */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   746
	    SDL_GetGammaRamp(0, 0, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   747
	    this->screen = screen;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   748
	    X11_SetGammaRamp(this, this->gamma);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   749
	    this->screen = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   750
	} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   751
	    /* Create a read-only colormap for our window */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   752
	    SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   753
	                                    SDL_Visual, AllocNone);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   754
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   755
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   756
	/* Recreate the auxiliary windows, if needed (required for GL) */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   757
	if ( vis_change )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   758
	    create_aux_windows(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   759
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   760
	if(screen->flags & SDL_HWPALETTE) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   761
	    /* Since the full-screen window might have got a nonzero background
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   762
	       colour (0 is white on some displays), we should reset the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   763
	       background to 0 here since that is what the user expects
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   764
	       with a private colormap */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   765
	    XSetWindowBackground(SDL_Display, FSwindow, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   766
	    XClearWindow(SDL_Display, FSwindow);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   767
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   768
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   769
	/* resize the (possibly new) window manager window */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   770
	if( !SDL_windowid ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   771
	        X11_SetSizeHints(this, w, h, flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   772
		current_w = w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   773
		current_h = h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   774
		XResizeWindow(SDL_Display, WMwindow, w, h);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   775
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   776
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   777
	/* Create (or use) the X11 display window */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   778
	if ( !SDL_windowid ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   779
		if ( flags & SDL_OPENGL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   780
			if ( X11_GL_CreateWindow(this, w, h) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   781
				return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   782
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   783
		} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   784
			XSetWindowAttributes swa;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   785
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   786
			swa.background_pixel = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   787
			swa.border_pixel = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   788
			swa.colormap = SDL_XColorMap;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   789
			SDL_Window = XCreateWindow(SDL_Display, WMwindow,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   790
		                           	0, 0, w, h, 0, depth,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   791
		                           	InputOutput, SDL_Visual,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   792
		                           	CWBackPixel | CWBorderPixel
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   793
		                           	| CWColormap, &swa);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   794
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   795
		/* Only manage our input if we own the window */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   796
		XSelectInput(SDL_Display, SDL_Window,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   797
					( EnterWindowMask | LeaveWindowMask
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   798
					| ButtonPressMask | ButtonReleaseMask
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   799
					| PointerMotionMask | ExposureMask ));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   800
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   801
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   802
	/* Create the graphics context here, once we have a window */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   803
	if ( flags & SDL_OPENGL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   804
		if ( X11_GL_CreateContext(this) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   805
			return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   806
		} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   807
			screen->flags |= SDL_OPENGL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   808
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   809
	} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   810
		XGCValues gcv;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   811
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   812
		gcv.graphics_exposures = False;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   813
		SDL_GC = XCreateGC(SDL_Display, SDL_Window,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   814
		                   GCGraphicsExposures, &gcv);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   815
		if ( ! SDL_GC ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   816
			SDL_SetError("Couldn't create graphics context");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   817
			return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   818
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   819
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   820
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   821
	/* Set our colormaps when not setting a GL mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   822
	if ( ! (flags & SDL_OPENGL) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   823
		XSetWindowColormap(SDL_Display, SDL_Window, SDL_XColorMap);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   824
		if( !SDL_windowid ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   825
		    XSetWindowColormap(SDL_Display, FSwindow, SDL_XColorMap);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   826
		    XSetWindowColormap(SDL_Display, WMwindow, SDL_XColorMap);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   827
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   828
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   829
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   830
#if 0 /* This is an experiment - are the graphics faster now? - nope. */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   831
	if ( getenv("SDL_VIDEO_X11_BACKINGSTORE") )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   832
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   833
	/* Cache the window in the server, when possible */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   834
	{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   835
		Screen *xscreen;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   836
		XSetWindowAttributes a;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   837
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   838
		xscreen = ScreenOfDisplay(SDL_Display, SDL_Screen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   839
		a.backing_store = DoesBackingStore(xscreen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   840
		if ( a.backing_store != NotUseful ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   841
			XChangeWindowAttributes(SDL_Display, SDL_Window,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   842
			                        CWBackingStore, &a);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   843
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   844
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   845
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   846
	/* Update the internal keyboard state */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   847
	X11_SetKeyboardState(SDL_Display, NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   848
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   849
	/* Map them both and go fullscreen, if requested */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   850
	if ( ! SDL_windowid ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   851
		XMapWindow(SDL_Display, SDL_Window);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   852
		XMapWindow(SDL_Display, WMwindow);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   853
		if ( flags & SDL_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   854
			screen->flags |= SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   855
			X11_WaitMapped(this, WMwindow);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   856
#ifdef GRAB_FULLSCREEN
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   857
			X11_EnterFullScreen(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   858
#else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   859
			X11_QueueEnterFullScreen(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   860
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   861
		} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   862
			screen->flags &= ~SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   863
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   864
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   865
	return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   866
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   867
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   868
static int X11_ResizeWindow(_THIS,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   869
			SDL_Surface *screen, int w, int h, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   870
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   871
	if ( ! SDL_windowid ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   872
		/* Resize the window manager window */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   873
		X11_SetSizeHints(this, w, h, flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   874
		current_w = w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   875
		current_h = h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   876
		XResizeWindow(SDL_Display, WMwindow, w, h);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   877
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   878
		/* Resize the fullscreen and display windows */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   879
		if ( flags & SDL_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   880
			if ( screen->flags & SDL_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   881
				X11_ResizeFullScreen(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   882
			} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   883
				screen->flags |= SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   884
#ifdef GRAB_FULLSCREEN
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   885
				X11_EnterFullScreen(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   886
#else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   887
				X11_QueueEnterFullScreen(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   888
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   889
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   890
		} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   891
			if ( screen->flags & SDL_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   892
				screen->flags &= ~SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   893
				X11_LeaveFullScreen(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   894
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   895
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   896
		XResizeWindow(SDL_Display, SDL_Window, w, h);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   897
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   898
	return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   899
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   900
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   901
SDL_Surface *X11_SetVideoMode(_THIS, SDL_Surface *current,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   902
				int width, int height, int bpp, Uint32 flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   903
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   904
	Uint32 saved_flags;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   905
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   906
	/* Lock the event thread, in multi-threading environments */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   907
	SDL_Lock_EventThread();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   908
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   909
	/* Check the combination of flags we were passed */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   910
	if ( flags & SDL_FULLSCREEN ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   911
		/* Clear fullscreen flag if not supported */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   912
		if ( SDL_windowid ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   913
			flags &= ~SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   914
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   915
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   916
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   917
	/* Flush any delayed updates */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   918
	XSync(GFX_Display, False);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   919
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   920
	/* Set up the X11 window */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   921
	saved_flags = current->flags;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   922
	if (SDL_Window && (saved_flags&SDL_OPENGL) == (flags&SDL_OPENGL)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   923
	    && bpp == current->format->BitsPerPixel) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   924
		if (X11_ResizeWindow(this, current, width, height, flags) < 0) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   925
			current = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   926
			goto done;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   927
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   928
	} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   929
		if (X11_CreateWindow(this,current,width,height,bpp,flags) < 0) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   930
			current = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   931
			goto done;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   932
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   933
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   934
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   935
	/* Set up the new mode framebuffer */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   936
	if ( ((current->w != width) || (current->h != height)) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   937
             ((saved_flags&SDL_OPENGL) != (flags&SDL_OPENGL)) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   938
		current->w = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   939
		current->h = height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   940
		current->pitch = SDL_CalculatePitch(current);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   941
		X11_ResizeImage(this, current, flags);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   942
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   943
	current->flags |= (flags&(SDL_RESIZABLE|SDL_NOFRAME));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   944
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   945
  done:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   946
	/* Release the event thread */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   947
	XSync(SDL_Display, False);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   948
	SDL_Unlock_EventThread();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   949
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   950
	/* We're done! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   951
	return(current);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   952
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   953
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   954
static int X11_ToggleFullScreen(_THIS, int on)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   955
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   956
	Uint32 event_thread;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   957
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   958
	/* Don't switch if we don't own the window */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   959
	if ( SDL_windowid ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   960
		return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   961
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   962
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   963
	/* Don't lock if we are the event thread */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   964
	event_thread = SDL_EventThreadID();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   965
	if ( event_thread && (SDL_ThreadID() == event_thread) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   966
		event_thread = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   967
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   968
	if ( event_thread ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   969
		SDL_Lock_EventThread();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   970
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   971
	if ( on ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   972
#ifdef GRAB_FULLSCREEN
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   973
		this->screen->flags |= SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   974
		X11_EnterFullScreen(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   975
#else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   976
		X11_QueueEnterFullScreen(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   977
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   978
	} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   979
		this->screen->flags &= ~SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   980
		X11_LeaveFullScreen(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   981
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   982
	X11_RefreshDisplay(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   983
	if ( event_thread ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   984
		SDL_Unlock_EventThread();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   985
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   986
	SDL_ResetKeyboard();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   987
	return(1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   988
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   989
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   990
/* Update the current mouse state and position */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   991
static void X11_UpdateMouse(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   992
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   993
	Window u1; int u2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   994
	Window current_win;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   995
	int x, y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   996
	unsigned int mask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   997
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   998
	/* Lock the event thread, in multi-threading environments */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   999
	SDL_Lock_EventThread();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1000
	if ( XQueryPointer(SDL_Display, SDL_Window, &u1, &current_win,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1001
	                   &u2, &u2, &x, &y, &mask) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1002
		if ( (x >= 0) && (x < SDL_VideoSurface->w) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1003
		     (y >= 0) && (y < SDL_VideoSurface->h) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1004
			SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1005
			SDL_PrivateMouseMotion(0, 0, x, y);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1006
		} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1007
			SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1008
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1009
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1010
	SDL_Unlock_EventThread();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1011
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1012
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1013
/* simple colour distance metric. Supposed to be better than a plain
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1014
   Euclidian distance anyway. */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1015
#define COLOUR_FACTOR 3
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1016
#define LIGHT_FACTOR 1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1017
#define COLOUR_DIST(r1, g1, b1, r2, g2, b2)				\
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1018
	(COLOUR_FACTOR * (abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2))	\
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1019
	 + LIGHT_FACTOR * abs(r1 + g1 + b1 - (r2 + g2 + b2)))
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1020
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1021
static void allocate_nearest(_THIS, SDL_Color *colors,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1022
			     SDL_Color *want, int nwant)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1023
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1024
	/*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1025
	 * There is no way to know which ones to choose from, so we retrieve
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1026
	 * the entire colormap and try the nearest possible, until we find one
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1027
	 * that is shared.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1028
	 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1029
	XColor all[256];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1030
	int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1031
	for(i = 0; i < 256; i++)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1032
		all[i].pixel = i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1033
	/* 
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1034
	 * XQueryColors sets the flags in the XColor struct, so we use
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1035
	 * that to keep track of which colours are available
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1036
	 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1037
	XQueryColors(GFX_Display, SDL_XColorMap, all, 256);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1038
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1039
	for(i = 0; i < nwant; i++) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1040
		XColor *c;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1041
		int j;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1042
		int best = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1043
		int mindist = 0x7fffffff;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1044
		int ri = want[i].r;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1045
		int gi = want[i].g;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1046
		int bi = want[i].b;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1047
		for(j = 0; j < 256; j++) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1048
			int rj, gj, bj, d2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1049
			if(!all[j].flags)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1050
				continue;	/* unavailable colour cell */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1051
			rj = all[j].red >> 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1052
			gj = all[j].green >> 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1053
			bj = all[j].blue >> 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1054
			d2 = COLOUR_DIST(ri, gi, bi, rj, gj, bj);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1055
			if(d2 < mindist) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1056
				mindist = d2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1057
				best = j;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1058
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1059
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1060
		if(SDL_XPixels[best])
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1061
			continue; /* already allocated, waste no more time */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1062
		c = all + best;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1063
		if(XAllocColor(GFX_Display, SDL_XColorMap, c)) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1064
			/* got it */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1065
			colors[best].r = c->red >> 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1066
			colors[best].g = c->green >> 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1067
			colors[best].b = c->blue >> 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1068
			++SDL_XPixels[best];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1069
		} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1070
			/* 
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1071
			 * The colour couldn't be allocated, probably being
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1072
			 * owned as a r/w cell by another client. Flag it as
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1073
			 * unavailable and try again. The termination of the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1074
			 * loop is guaranteed since at least black and white
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1075
			 * are always there.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1076
			 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1077
			c->flags = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1078
			i--;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1079
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1080
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1081
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1082
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1083
int X11_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1084
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1085
	int nrej = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1086
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1087
	/* Check to make sure we have a colormap allocated */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1088
	if ( SDL_XPixels == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1089
		return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1090
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1091
	if ( (this->screen->flags & SDL_HWPALETTE) == SDL_HWPALETTE ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1092
	        /* private writable colormap: just set the colours we need */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1093
	        XColor  *xcmap;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1094
		int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1095
	        xcmap = ALLOCA(ncolors*sizeof(*xcmap));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1096
		if(xcmap == NULL)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1097
		        return 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1098
		for ( i=0; i<ncolors; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1099
			xcmap[i].pixel = i + firstcolor;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1100
			xcmap[i].red   = (colors[i].r<<8)|colors[i].r;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1101
			xcmap[i].green = (colors[i].g<<8)|colors[i].g;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1102
			xcmap[i].blue  = (colors[i].b<<8)|colors[i].b;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1103
			xcmap[i].flags = (DoRed|DoGreen|DoBlue);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1104
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1105
		XStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1106
		XSync(GFX_Display, False);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1107
		FREEA(xcmap);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1108
	} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1109
	        /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1110
		 * Shared colormap: We only allocate read-only cells, which
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1111
		 * increases the likelyhood of colour sharing with other
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1112
		 * clients. The pixel values will almost certainly be
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1113
		 * different from the requested ones, so the user has to
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1114
		 * walk the colormap and see which index got what colour.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1115
		 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1116
		 * We can work directly with the logical palette since it
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1117
		 * has already been set when we get here.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1118
		 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1119
		SDL_Color *want, *reject;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1120
	        unsigned long *freelist;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1121
		int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1122
		int nfree = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1123
		int nc = this->screen->format->palette->ncolors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1124
	        colors = this->screen->format->palette->colors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1125
		freelist = ALLOCA(nc * sizeof(*freelist));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1126
		/* make sure multiple allocations of the same cell are freed */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1127
	        for(i = 0; i < ncolors; i++) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1128
		        int pixel = firstcolor + i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1129
		        while(SDL_XPixels[pixel]) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1130
			        freelist[nfree++] = pixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1131
				--SDL_XPixels[pixel];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1132
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1133
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1134
		XFreeColors(GFX_Display, SDL_XColorMap, freelist, nfree, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1135
		FREEA(freelist);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1136
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1137
		want = ALLOCA(ncolors * sizeof(SDL_Color));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1138
		reject = ALLOCA(ncolors * sizeof(SDL_Color));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1139
		memcpy(want, colors + firstcolor, ncolors * sizeof(SDL_Color));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1140
		/* make sure the user isn't fooled by her own wishes
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1141
		   (black is safe, always available in the default colormap) */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1142
		memset(colors + firstcolor, 0, ncolors * sizeof(SDL_Color));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1143
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1144
		/* now try to allocate the colours */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1145
		for(i = 0; i < ncolors; i++) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1146
		        XColor col;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1147
			col.red = want[i].r << 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1148
			col.green = want[i].g << 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1149
			col.blue = want[i].b << 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1150
			col.flags = DoRed | DoGreen | DoBlue;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1151
			if(XAllocColor(GFX_Display, SDL_XColorMap, &col)) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1152
			        /* We got the colour, or at least the nearest
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1153
				   the hardware could get. */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1154
			        colors[col.pixel].r = col.red >> 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1155
				colors[col.pixel].g = col.green >> 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1156
				colors[col.pixel].b = col.blue >> 8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1157
				++SDL_XPixels[col.pixel];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1158
			} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1159
				/*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1160
				 * no more free cells, add it to the list
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1161
				 * of rejected colours
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1162
				 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1163
				reject[nrej++] = want[i];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1164
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1165
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1166
		if(nrej)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1167
			allocate_nearest(this, colors, reject, nrej);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1168
		FREEA(reject);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1169
		FREEA(want);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1170
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1171
	return nrej == 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1172
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1173
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1174
int X11_SetGammaRamp(_THIS, Uint16 *ramp)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1175
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1176
	int i, ncolors;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1177
	XColor xcmap[256];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1178
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1179
	/* See if actually setting the gamma is supported */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1180
	if ( SDL_Visual->class != DirectColor ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1181
	    SDL_SetError("Gamma correction not supported on this visual");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1182
	    return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1183
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1184
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1185
	/* Calculate the appropriate palette for the given gamma ramp */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1186
	ncolors = SDL_Visual->map_entries;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1187
	for ( i=0; i<ncolors; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1188
		Uint8 c = (256 * i / ncolors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1189
		xcmap[i].pixel = SDL_MapRGB(this->screen->format, c, c, c);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1190
		xcmap[i].red   = ramp[0*256+c];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1191
		xcmap[i].green = ramp[1*256+c];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1192
		xcmap[i].blue  = ramp[2*256+c];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1193
		xcmap[i].flags = (DoRed|DoGreen|DoBlue);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1194
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1195
	XStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1196
	XSync(GFX_Display, False);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
  1197
	return(0);
74212992fb08 Initial revision
Sam Lantinga&#