--- sourceforge.net/trunk/rdesktop/xwin.c	2004/03/03 10:46:35	620
+++ sourceforge.net/trunk/rdesktop/xwin.c	2004/04/30 19:14:15	688
@@ -43,7 +43,9 @@
 static int g_x_socket;
 static Screen *g_screen;
 Window g_wnd;
+extern uint32 g_embed_wnd;
 BOOL g_enable_compose = False;
+BOOL g_Unobscured; /* used for screenblt */
 static GC g_gc = NULL;
 static Visual *g_visual;
 static int g_depth;
@@ -56,6 +58,7 @@
 static Atom g_protocol_atom, g_kill_atom;
 static BOOL g_focused;
 static BOOL g_mouse_in_wnd;
+static BOOL g_arch_match = False;	/* set to True if RGB XServer and little endian */
 
 /* endianness */
 static BOOL g_host_be;
@@ -64,7 +67,7 @@
 static int g_red_shift_l, g_blue_shift_l, g_green_shift_l;
 
 /* software backing store */
-BOOL g_ownbackstore = True;	/* We can't rely on external BackingStore */
+extern BOOL g_ownbackstore;
 static Pixmap g_backstore = 0;
 
 /* Moving in single app mode */
@@ -113,7 +116,7 @@
 }
 
 /* colour maps */
-BOOL g_owncolmap = False;
+extern BOOL g_owncolmap;
 static Colormap g_xcolmap;
 static uint32 *g_colmap = NULL;
 
@@ -227,6 +230,15 @@
 	return make_colour(pc);
 }
 
+#define UNROLL8(stm) { stm stm stm stm stm stm stm stm }
+#define REPEAT(stm) \
+{ \
+	while (out <= end - 8 * 4) \
+		UNROLL8(stm) \
+	while (out < end) \
+		{ stm } \
+}
+
 static void
 translate8to8(uint8 * data, uint8 * out, uint8 * end)
 {
@@ -239,17 +251,22 @@
 {
 	uint16 value;
 
-	while (out < end)
+	if (g_arch_match)
+		REPEAT(*(((uint16*)out)++) = g_colmap[*(data++)];)
+	else if (g_xserver_be)
 	{
-		value = (uint16) g_colmap[*(data++)];
-
-		if (g_xserver_be)
+		while (out < end)
 		{
+			value = (uint16) g_colmap[*(data++)];
 			*(out++) = value >> 8;
 			*(out++) = value;
 		}
-		else
+	}
+	else
+	{
+		while (out < end)
 		{
+			value = (uint16) g_colmap[*(data++)];
 			*(out++) = value;
 			*(out++) = value >> 8;
 		}
@@ -262,18 +279,21 @@
 {
 	uint32 value;
 
-	while (out < end)
+	if (g_xserver_be)
 	{
-		value = g_colmap[*(data++)];
-
-		if (g_xserver_be)
+		while (out < end)
 		{
+			value = g_colmap[*(data++)];
 			*(out++) = value >> 16;
 			*(out++) = value >> 8;
 			*(out++) = value;
 		}
-		else
+	}
+	else
+	{
+		while (out < end)
 		{
+			value = g_colmap[*(data++)];
 			*(out++) = value;
 			*(out++) = value >> 8;
 			*(out++) = value >> 16;
@@ -286,19 +306,24 @@
 {
 	uint32 value;
 
-	while (out < end)
+	if (g_arch_match)
+		REPEAT(*(((uint32*)out)++) = g_colmap[*(data++)];)
+	else if (g_xserver_be)
 	{
-		value = g_colmap[*(data++)];
-
-		if (g_xserver_be)
+		while (out < end)
 		{
+			value = g_colmap[*(data++)];
 			*(out++) = value >> 24;
 			*(out++) = value >> 16;
 			*(out++) = value >> 8;
 			*(out++) = value;
 		}
-		else
+	}
+	else
+	{
+		while (out < end)
 		{
+			value = g_colmap[*(data++)];
 			*(out++) = value;
 			*(out++) = value >> 8;
 			*(out++) = value >> 16;
@@ -587,9 +612,24 @@
 static uint8 *
 translate_image(int width, int height, uint8 * data)
 {
-	int size = width * height * g_bpp / 8;
-	uint8 *out = (uint8 *) xmalloc(size);
-	uint8 *end = out + size;
+	int size;
+	uint8 *out;
+	uint8 *end;
+
+	/* if server and xserver bpp match, */
+	/* and arch(endian) matches, no need to translate */
+	/* just return data */
+	if (g_arch_match)
+	{
+		if (g_depth == 15 && g_server_bpp == 15)
+			return data;
+		if (g_depth == 16 && g_server_bpp == 16)
+			return data;
+	}
+
+	size = width * height * (g_bpp / 8);
+	out = (uint8 *) xmalloc(size);
+	end = out + size;
 
 	switch (g_server_bpp)
 	{
@@ -727,6 +767,10 @@
 		TrueColorVisual = True;
 	}
 
+	test = 1;
+	g_host_be = !(BOOL) (*(uint8 *) (&test));
+	g_xserver_be = (ImageByteOrder(g_display) == MSBFirst);
+
 	if ((g_server_bpp == 8) && ((!TrueColorVisual) || (g_depth <= 8)))
 	{
 		/* we use a colourmap, so the default visual should do */
@@ -753,6 +797,11 @@
 		calculate_shifts(vi.red_mask, &g_red_shift_r, &g_red_shift_l);
 		calculate_shifts(vi.blue_mask, &g_blue_shift_r, &g_blue_shift_l);
 		calculate_shifts(vi.green_mask, &g_green_shift_r, &g_green_shift_l);
+
+		/* if RGB video and averything is little endian */
+		if (vi.red_mask > vi.green_mask && vi.green_mask > vi.blue_mask)
+			if (!g_xserver_be && !g_host_be)
+				g_arch_match = True;
 	}
 
 	pfm = XListPixmapFormats(g_display, &i);
@@ -792,10 +841,6 @@
 		g_ownbackstore = True;
 	}
 
-	test = 1;
-	g_host_be = !(BOOL) (*(uint8 *) (&test));
-	g_xserver_be = (ImageByteOrder(g_display) == MSBFirst);
-
 	/*
 	 * Determine desktop size
 	 */
@@ -925,6 +970,11 @@
 		XFree(sizehints);
 	}
 
+	if (g_embed_wnd)
+	{
+		XReparentWindow(g_display, g_wnd, (Window) g_embed_wnd, 0, 0);
+	}
+
 	input_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 		VisibilityChangeMask | FocusChangeMask;
 
@@ -956,6 +1006,7 @@
 		XMaskEvent(g_display, VisibilityChangeMask, &xevent);
 	}
 	while (xevent.type != VisibilityNotify);
+	g_Unobscured = xevent.xvisibility.state == VisibilityUnobscured;
 
 	g_focused = False;
 	g_mouse_in_wnd = False;
@@ -973,6 +1024,27 @@
 }
 
 void
+ui_resize_window()
+{
+	XSizeHints *sizehints;
+
+	sizehints = XAllocSizeHints();
+	if (sizehints)
+	{
+		sizehints->flags = PMinSize | PMaxSize;
+		sizehints->min_width = sizehints->max_width = g_width;
+		sizehints->min_height = sizehints->max_height = g_height;
+		XSetWMNormalHints(g_display, g_wnd, sizehints);
+		XFree(sizehints);
+	}
+
+	if (!(g_fullscreen || g_embed_wnd))
+	{
+		XResizeWindow(g_display, g_wnd, g_width, g_height);
+	}
+}
+
+void
 ui_destroy_window(void)
 {
 	if (g_IC != NULL)
@@ -1033,6 +1105,9 @@
 
 		switch (xevent.type)
 		{
+			case VisibilityNotify:
+				g_Unobscured = xevent.xvisibility.state == VisibilityUnobscured;
+				break;
 			case ClientMessage:
 				/* the window manager told us to quit */
 				if ((xevent.xclient.message_type == g_protocol_atom)
@@ -1366,7 +1441,7 @@
 	XPutImage(g_display, bitmap, g_gc, image, 0, 0, 0, 0, width, height);
 
 	XFree(image);
-	if (!g_owncolmap)
+	if (tdata != data)
 		xfree(tdata);
 	return (HBITMAP) bitmap;
 }
@@ -1405,7 +1480,7 @@
 	}
 
 	XFree(image);
-	if (!g_owncolmap)
+	if (tdata != data)
 		xfree(tdata);
 }
 
@@ -1729,7 +1804,7 @@
 	{
 		case 0:	/* Solid */
 			SET_FOREGROUND(fgcolour);
-			FILL_RECTANGLE(x, y, cx, cy);
+			FILL_RECTANGLE_BACKSTORE(x, y, cx, cy);
 			break;
 
 		case 2:	/* Hatch */
@@ -1740,7 +1815,7 @@
 			XSetFillStyle(g_display, g_gc, FillOpaqueStippled);
 			XSetStipple(g_display, g_gc, fill);
 			XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin);
-			FILL_RECTANGLE(x, y, cx, cy);
+			FILL_RECTANGLE_BACKSTORE(x, y, cx, cy);
 			XSetFillStyle(g_display, g_gc, FillSolid);
 			XSetTSOrigin(g_display, g_gc, 0, 0);
 			ui_destroy_glyph((HGLYPH) fill);
@@ -1750,15 +1825,12 @@
 			for (i = 0; i != 8; i++)
 				ipattern[7 - i] = brush->pattern[i];
 			fill = (Pixmap) ui_create_glyph(8, 8, ipattern);
-
 			SET_FOREGROUND(bgcolour);
 			SET_BACKGROUND(fgcolour);
 			XSetFillStyle(g_display, g_gc, FillOpaqueStippled);
 			XSetStipple(g_display, g_gc, fill);
 			XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin);
-
-			FILL_RECTANGLE(x, y, cx, cy);
-
+			FILL_RECTANGLE_BACKSTORE(x, y, cx, cy);
 			XSetFillStyle(g_display, g_gc, FillSolid);
 			XSetTSOrigin(g_display, g_gc, 0, 0);
 			ui_destroy_glyph((HGLYPH) fill);
@@ -1769,6 +1841,9 @@
 	}
 
 	RESET_FUNCTION(opcode);
+
+	if (g_ownbackstore)
+		XCopyArea(g_display, g_backstore, g_wnd, g_gc, x, y, cx, cy, x, y);
 }
 
 void
@@ -1779,8 +1854,16 @@
 	SET_FUNCTION(opcode);
 	if (g_ownbackstore)
 	{
-		XCopyArea(g_display, g_backstore, g_wnd, g_gc, srcx, srcy, cx, cy, x, y);
-		XCopyArea(g_display, g_backstore, g_backstore, g_gc, srcx, srcy, cx, cy, x, y);
+		if (g_Unobscured)
+		{
+			XCopyArea(g_display, g_wnd, g_wnd, g_gc, srcx, srcy, cx, cy, x, y);
+			XCopyArea(g_display, g_backstore, g_backstore, g_gc, srcx, srcy, cx, cy, x, y);
+		}
+		else
+		{
+			XCopyArea(g_display, g_backstore, g_wnd, g_gc, srcx, srcy, cx, cy, x, y);
+			XCopyArea(g_display, g_backstore, g_backstore, g_gc, srcx, srcy, cx, cy, x, y);
+		}
 	}
 	else
 	{