1 files changed, 88 insertions, 0 deletions
diff --git a/lib/sugar-x11-util.c b/lib/sugar-x11-util.c
new file mode 100644
index 0000000..b57d051
--- /dev/null
+++ b/lib/sugar-x11-util.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2006-2007 Red Hat, Inc.
+ *
+ * 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 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gdk/gdkproperty.h>
+#include <X11/Xatom.h>
+#include <glib/gstrfuncs.h>
+#include <string.h>
+
+#include "sugar-x11-util.h"
+
+void
+sugar_x11_util_set_string_property(GdkWindow  *window,
+                                   const char *property,
+                                   const char *value)
+{
+    Atom prop_atom;
+    Atom string_atom;
+    GdkDisplay *display;
+    char *prop_text;
+
+    display = gdk_drawable_get_display(window);
+    prop_atom = gdk_x11_get_xatom_by_name_for_display(display, property);
+    string_atom = gdk_x11_get_xatom_by_name_for_display(display, "STRING");
+    prop_text = gdk_utf8_to_string_target(value);
+
+    XChangeProperty(GDK_DISPLAY_XDISPLAY(display),
+                    GDK_WINDOW_XID(window),
+                    prop_atom,
+                    string_atom, 8,
+                    PropModeReplace, prop_text,
+                    strlen(prop_text));
+
+    g_free(prop_text);
+}
+
+char *
+sugar_x11_util_get_string_property(GdkWindow  *window,
+                                   const char *property)
+{
+    Atom type;    
+    Atom prop_atom;
+    Atom string_atom;
+    int format;
+    int result;
+    unsigned long bytes_after, n_items;
+    unsigned char *str = NULL;
+    char *value = NULL;
+    GdkDisplay *display;
+
+    display = gdk_drawable_get_display(window);
+    prop_atom = gdk_x11_get_xatom_by_name_for_display(display, property);
+    string_atom = gdk_x11_get_xatom_by_name_for_display(display, "STRING");
+
+    result = XGetWindowProperty(GDK_DISPLAY_XDISPLAY(display),
+                                GDK_WINDOW_XID(window),
+                                prop_atom,
+                                0, 1024L,
+                                False, string_atom,
+                                &type, &format, &n_items,
+                                &bytes_after, (unsigned char **)&str);
+
+    if (result == Success && str != NULL && type == string_atom &&
+        format == 8 && n_items > 0) {
+        value = g_strdup(str);
+    }
+
+    if (str) {
+        XFree(str);
+    }
+
+    return value;
+}