--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/libsdl-trunk/src/video/x11/SDL_x11wm.c	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,433 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2006 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+#include "SDL_version.h"
+#include "SDL_timer.h"
+#include "SDL_video.h"
+#include "SDL_syswm.h"
+#include "../SDL_pixels_c.h"
+#include "../../events/SDL_events_c.h"
+#include "SDL_x11modes_c.h"
+#include "SDL_x11wm_c.h"
+
+static Uint8 reverse_byte(Uint8 x)
+{
+	x = (x & 0xaa) >> 1 | (x & 0x55) << 1;
+	x = (x & 0xcc) >> 2 | (x & 0x33) << 2;
+	x = (x & 0xf0) >> 4 | (x & 0x0f) << 4;
+	return x;
+}
+
+void X11_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask)
+{
+	SDL_Surface *sicon;
+	XWMHints *wmhints;
+	XImage *icon_image;
+	Pixmap icon_pixmap;
+	Pixmap mask_pixmap;
+	Window icon_window = None;
+	GC gc;
+	XGCValues GCvalues;
+	int i, dbpp;
+	SDL_Rect bounds;
+	Uint8 *LSBmask;
+	Visual *dvis;
+	char *p;
+	int masksize;
+
+	SDL_Lock_EventThread();
+
+	/* The icon must use the default visual, depth and colormap of the
+	   screen, so it might need a conversion */
+	dvis = DefaultVisual(SDL_Display, SDL_Screen);
+	dbpp = DefaultDepth(SDL_Display, SDL_Screen);
+	for(i = 0; i < this->hidden->nvisuals; i++) {
+		if(this->hidden->visuals[i].visual == dvis) {
+			dbpp = this->hidden->visuals[i].bpp;
+			break;
+		}
+	}
+
+	/* The Visual struct is supposed to be opaque but we cheat a little */
+	sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h,
+				     dbpp,
+				     dvis->red_mask, dvis->green_mask,
+				     dvis->blue_mask, 0);
+	if ( sicon == NULL )
+		goto done;
+
+	if(dbpp == 8) {
+		/* Default visual is 8bit; we need to allocate colours from
+		   the default colormap */
+		SDL_Color want[256], got[256];
+		int nwant;
+		Colormap dcmap;
+		int missing;
+		dcmap = DefaultColormap(SDL_Display, SDL_Screen);
+		if(icon->format->palette) {
+			/* The icon has a palette as well - we just have to
+			   find those colours */
+			nwant = icon->format->palette->ncolors;
+			SDL_memcpy(want, icon->format->palette->colors,
+			       nwant * sizeof want[0]);
+		} else {
+			/* try the standard 6x6x6 cube for lack of better
+			   ideas */
+			int r, g, b, i;
+			for(r = i = 0; r < 256; r += 0x33)
+				for(g = 0; g < 256; g += 0x33)
+					for(b = 0; b < 256; b += 0x33, i++) {
+						want[i].r = r;
+						want[i].g = g;
+						want[i].b = b;
+					}
+			nwant = 216;
+		}
+		if(SDL_iconcolors) {
+			/* free already allocated colours first */
+			unsigned long freelist[512];
+			int nfree = 0;
+			for(i = 0; i < 256; i++) {
+				while(SDL_iconcolors[i]) {
+					freelist[nfree++] = i;
+					SDL_iconcolors[i]--;
+				}
+			}
+			XFreeColors(GFX_Display, dcmap, freelist, nfree, 0);
+		}
+		if(!SDL_iconcolors)
+			SDL_iconcolors = SDL_malloc(256 * sizeof *SDL_iconcolors);
+		SDL_memset(SDL_iconcolors, 0, 256 * sizeof *SDL_iconcolors);
+
+		/* try to allocate the colours */
+		SDL_memset(got, 0, sizeof got);
+		missing = 0;
+		for(i = 0; i < nwant; i++) {
+			XColor c;
+			c.red = want[i].r << 8;
+			c.green = want[i].g << 8;
+			c.blue = want[i].b << 8;
+			c.flags = DoRed | DoGreen | DoBlue;
+			if(XAllocColor(GFX_Display, dcmap, &c)) {
+				/* got the colour */
+				SDL_iconcolors[c.pixel]++;
+				got[c.pixel] = want[i];
+			} else {
+				missing = 1;
+			}
+		}
+		if(missing) {
+			/* Some colours were apparently missing, so we just
+			   allocate all the rest as well */
+			XColor cols[256];
+			for(i = 0; i < 256; i++)
+				cols[i].pixel = i;
+			XQueryColors(GFX_Display, dcmap, cols, 256);
+			for(i = 0; i < 256; i++) {
+				got[i].r = cols[i].red >> 8;
+				got[i].g = cols[i].green >> 8;
+				got[i].b = cols[i].blue >> 8;
+				if(!SDL_iconcolors[i]) {
+					if(XAllocColor(GFX_Display, dcmap,
+							cols + i)) {
+						SDL_iconcolors[i] = 1;
+					} else {
+						/* index not available */
+						got[i].r = 0;
+						got[i].g = 0;
+						got[i].b = 0;
+					}
+				}
+			}
+		}
+
+		SDL_SetColors(sicon, got, 0, 256);
+	}
+
+	bounds.x = 0;
+	bounds.y = 0;
+	bounds.w = icon->w;
+	bounds.h = icon->h;
+	if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 )
+		goto done;
+
+	/* We need the mask as given, except in LSBfirst format instead of
+	   MSBfirst. Reverse the bits in each byte. */
+	masksize = ((sicon->w + 7) >> 3) * sicon->h;
+	LSBmask = SDL_malloc(masksize);
+	if ( LSBmask == NULL ) {
+		goto done;
+	}
+	SDL_memset(LSBmask, 0, masksize);
+	for(i = 0; i < masksize; i++)
+		LSBmask[i] = reverse_byte(mask[i]);
+	mask_pixmap = XCreatePixmapFromBitmapData(SDL_Display, WMwindow,
+						  (char *)LSBmask,
+						  sicon->w, sicon->h,
+						  1L, 0L, 1);
+
+	/* Transfer the image to an X11 pixmap */
+	icon_image = XCreateImage(SDL_Display,
+				  DefaultVisual(SDL_Display, SDL_Screen),
+				  DefaultDepth(SDL_Display, SDL_Screen),
+				  ZPixmap, 0, sicon->pixels,
+				  sicon->w, sicon->h,
+				  32, 0);
+	icon_image->byte_order = (SDL_BYTEORDER == SDL_BIG_ENDIAN)
+		                 ? MSBFirst : LSBFirst;
+	icon_pixmap = XCreatePixmap(SDL_Display, SDL_Root, sicon->w, sicon->h,
+				    DefaultDepth(SDL_Display, SDL_Screen));
+	gc = XCreateGC(SDL_Display, icon_pixmap, 0, &GCvalues);
+	XPutImage(SDL_Display, icon_pixmap, gc, icon_image,
+		  0, 0, 0, 0, sicon->w, sicon->h);
+	XFreeGC(SDL_Display, gc);
+	XDestroyImage(icon_image);
+	SDL_free(LSBmask);
+	sicon->pixels = NULL;
+
+	/* Some buggy window managers (some versions of Enlightenment, it
+	   seems) need an icon window *and* icon pixmap to work properly, while
+	   it screws up others. The default is only to use a pixmap. */
+	p = SDL_getenv("SDL_VIDEO_X11_ICONWIN");
+	if(p && *p) {
+		icon_window = XCreateSimpleWindow(SDL_Display, SDL_Root,
+						  0, 0, sicon->w, sicon->h, 0,
+						  CopyFromParent,
+						  CopyFromParent);
+		XSetWindowBackgroundPixmap(SDL_Display, icon_window,
+					   icon_pixmap);
+		XClearWindow(SDL_Display, icon_window);
+	}
+
+	/* Set the window icon to the icon pixmap (and icon window) */
+	wmhints = XAllocWMHints();
+	wmhints->flags = (IconPixmapHint | IconMaskHint);
+	wmhints->icon_pixmap = icon_pixmap;
+	wmhints->icon_mask = mask_pixmap;
+	if(icon_window != None) {
+		wmhints->flags |= IconWindowHint;
+		wmhints->icon_window = icon_window;
+	}
+	XSetWMHints(SDL_Display, WMwindow, wmhints);
+	XFree(wmhints);
+	XSync(SDL_Display, False);
+
+  done:
+	SDL_Unlock_EventThread();
+	SDL_FreeSurface(sicon);
+}
+
+void X11_SetCaptionNoLock(_THIS, const char *title, const char *icon)
+{
+	XTextProperty titleprop, iconprop;
+	Status status;
+
+#ifdef X_HAVE_UTF8_STRING
+	Atom _NET_WM_NAME = 0;
+	Atom _NET_WM_ICON_NAME = 0;
+
+	/* Look up some useful Atoms */
+	if (SDL_X11_HAVE_UTF8) {
+		_NET_WM_NAME = XInternAtom(SDL_Display, "_NET_WM_NAME", False);
+		_NET_WM_ICON_NAME = XInternAtom(SDL_Display, "_NET_WM_ICON_NAME", False);
+	}
+#endif
+
+	if ( title != NULL ) {
+		char *title_locale = SDL_iconv_utf8_locale(title);
+		if ( !title_locale ) {
+			SDL_OutOfMemory();
+			return;
+		}
+		status = XStringListToTextProperty(&title_locale, 1, &titleprop);
+		SDL_free(title_locale);
+		if ( status ) {
+			XSetTextProperty(SDL_Display, WMwindow, &titleprop, XA_WM_NAME);
+			XFree(titleprop.value);
+		}
+#ifdef X_HAVE_UTF8_STRING
+		if (SDL_X11_HAVE_UTF8) {
+			status = Xutf8TextListToTextProperty(SDL_Display,
+					(char **)&title, 1, XUTF8StringStyle, &titleprop);
+			if ( status == Success ) {
+				XSetTextProperty(SDL_Display, WMwindow, &titleprop, _NET_WM_NAME);
+				XFree(titleprop.value);
+			}
+		}
+#endif
+	}
+	if ( icon != NULL ) {
+		char *icon_locale = SDL_iconv_utf8_locale(icon);
+		if ( !icon_locale ) {
+			SDL_OutOfMemory();
+			return;
+		}
+		status = XStringListToTextProperty(&icon_locale, 1, &iconprop);
+		SDL_free(icon_locale);
+		if ( status ) {
+			XSetTextProperty(SDL_Display, WMwindow, &iconprop, XA_WM_ICON_NAME);
+			XFree(iconprop.value);
+		}
+#ifdef X_HAVE_UTF8_STRING
+		if (SDL_X11_HAVE_UTF8) {
+			status = Xutf8TextListToTextProperty(SDL_Display,
+					(char **)&icon, 1, XUTF8StringStyle, &iconprop);
+			if ( status == Success ) {
+				XSetTextProperty(SDL_Display, WMwindow, &iconprop, _NET_WM_ICON_NAME);
+				XFree(iconprop.value);
+			}
+		}
+#endif
+	}
+	XSync(SDL_Display, False);
+}
+
+void X11_SetCaption(_THIS, const char *title, const char *icon)
+{
+	SDL_Lock_EventThread();
+	X11_SetCaptionNoLock(this, title, icon);
+	SDL_Unlock_EventThread();
+}
+
+/* Iconify the window */
+int X11_IconifyWindow(_THIS)
+{
+	int result;
+
+	SDL_Lock_EventThread();
+	result = XIconifyWindow(SDL_Display, WMwindow, SDL_Screen);
+	XSync(SDL_Display, False);
+	SDL_Unlock_EventThread();
+	return(result);
+}
+
+SDL_GrabMode X11_GrabInputNoLock(_THIS, SDL_GrabMode mode)
+{
+	int result;
+
+	if ( this->screen == NULL ) {
+		return(SDL_GRAB_OFF);
+	}
+	if ( ! SDL_Window ) {
+		return(mode);	/* Will be set later on mode switch */
+	}
+	if ( mode == SDL_GRAB_OFF ) {
+		XUngrabPointer(SDL_Display, CurrentTime);
+		XUngrabKeyboard(SDL_Display, CurrentTime);
+	} else {
+		if ( this->screen->flags & SDL_FULLSCREEN ) {
+			/* Unbind the mouse from the fullscreen window */
+			XUngrabPointer(SDL_Display, CurrentTime);
+		}
+		/* Try to grab the mouse */
+#if 0 /* We'll wait here until we actually grab, otherwise behavior undefined */
+		for ( numtries = 0; numtries < 10; ++numtries ) {
+#else
+		for ( ; ; ) {
+#endif
+			result = XGrabPointer(SDL_Display, SDL_Window, True, 0,
+						GrabModeAsync, GrabModeAsync,
+						SDL_Window, None, CurrentTime);
+			if ( result == GrabSuccess ) {
+				break;
+			}
+			SDL_Delay(100);
+		}
+		if ( result != GrabSuccess ) {
+			/* Uh, oh, what do we do here? */ ;
+		}
+		/* Now grab the keyboard */
+		XGrabKeyboard(SDL_Display, WMwindow, True,
+				GrabModeAsync, GrabModeAsync, CurrentTime);
+
+		/* Raise the window if we grab the mouse */
+		if ( !(this->screen->flags & SDL_FULLSCREEN) )
+			XRaiseWindow(SDL_Display, WMwindow);
+
+		/* Make sure we register input focus */
+		SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS);
+		/* Since we grabbed the pointer, we have mouse focus, too. */
+		SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
+	}
+	XSync(SDL_Display, False);
+
+	return(mode);
+}
+
+SDL_GrabMode X11_GrabInput(_THIS, SDL_GrabMode mode)
+{
+	SDL_Lock_EventThread();
+	mode = X11_GrabInputNoLock(this, mode);
+	SDL_Unlock_EventThread();
+
+	return(mode);
+}
+
+/* If 'info' is the right version, this function fills it and returns 1.
+   Otherwise, in case of a version mismatch, it returns -1.
+*/
+static void lock_display(void)
+{
+	SDL_Lock_EventThread();
+}
+static void unlock_display(void)
+{
+	/* Make sure any X11 transactions are completed */
+	SDL_VideoDevice *this = current_video;
+	XSync(SDL_Display, False);
+	SDL_Unlock_EventThread();
+}
+
+#include <stdio.h>
+int X11_GetWMInfo(_THIS, SDL_SysWMinfo *info)
+{
+	if ( info->version.major <= SDL_MAJOR_VERSION ) {
+		info->subsystem = SDL_SYSWM_X11;
+		info->info.x11.display = SDL_Display;
+		info->info.x11.window = SDL_Window;
+		if ( SDL_VERSIONNUM(info->version.major,
+		                    info->version.minor,
+		                    info->version.patch) >= 1002 ) {
+			info->info.x11.fswindow = FSwindow;
+			info->info.x11.wmwindow = WMwindow;
+		}
+
+
+		if ( SDL_VERSIONNUM(info->version.major,
+		                    info->version.minor,
+		                    info->version.patch) >= 1212 ) {
+			info->info.x11.gfxdisplay = GFX_Display;
+		}
+
+		info->info.x11.lock_func = lock_display;
+		info->info.x11.unlock_func = unlock_display;
+		return(1);
+	} else {
+		SDL_SetError("Application not compiled with SDL %d.%d\n",
+					SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
+		return(-1);
+	}
+}