+
+static gboolean
+_forward_search_image_char (gunichar ch,
+ gpointer userdata)
+{
+ return (ch == 0xFFFC);
+}
+
+gboolean
+modest_text_utils_buffer_selection_is_valid (GtkTextBuffer *buffer)
+{
+ gboolean result;
+ GtkTextIter start, end;
+
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
+
+ result = gtk_text_buffer_get_has_selection (GTK_TEXT_BUFFER (buffer));
+
+ /* check there are no images in selection */
+ if (result) {
+ gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
+ if (gtk_text_iter_get_char (&start)== 0xFFFC)
+ result = FALSE;
+ else {
+ gtk_text_iter_backward_char (&end);
+ if (gtk_text_iter_forward_find_char (&start, _forward_search_image_char,
+ NULL, &end))
+ result = FALSE;
+ }
+
+ }
+
+ return result;
+}