Support for SeamlessRDP SYNCBEGIN/SYNCEND

git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/branches/seamlessrdp-branch/rdesktop@1122 423420c4-83ab-492f-b58f-81f9feb106b5

seamless.c

@@ -196,6 +196,29 @@ seamless_process_line(const char *line, void *data)
 	{
 		printf("SeamlessRDP:%s\n", line);
 	}
+	else if (!strcmp("SYNCBEGIN", tok1))
+	{
+		if (!tok2)
+			return False;
+
+		flags = strtoul(tok2, &endptr, 0);
+		if (*endptr)
+			return False;
+
+		ui_seamless_syncbegin(flags);
+	}
+	else if (!strcmp("SYNCEND", tok1))
+	{
+		if (!tok2)
+			return False;
+
+		flags = strtoul(tok2, &endptr, 0);
+		if (*endptr)
+			return False;
+
+		/* do nothing, currently */
+	}
+
 
 	xfree(l);
 	return True;

xwin.c

@@ -3214,3 +3214,15 @@ ui_seamless_setstate(unsigned long id, unsigned int state, unsigned long flags)
 			break;
 	}
 }
+
+
+void
+ui_seamless_syncbegin(unsigned long flags)
+{
+	/* Destroy all seamless windows */
+	while (g_seamless_windows)
+	{
+		XDestroyWindow(g_display, g_seamless_windows->wnd);
+		seamless_remove_window(g_seamless_windows);
+	}
+}