+
+static int updating_enabled_cb = 0; /* kludge to make sure that enabled_cb
+ is only run by user action, not by
+ program action. */
+
+/* Called when the checkboxes that are in the left column of the
+ scrolling list are clicked. This both populates the right pane
+ (just as clicking on the label (really, listitem) does) and
+ also syncs this checkbox with the right pane Enabled checkbox.
+ */
+static void
+list_checkbox_cb (GtkWidget *cb, gpointer client_data)
+{
+ prefs_pair *pair = (prefs_pair *) client_data;
+
+ GtkWidget *line_hbox = GTK_WIDGET (cb)->parent;
+ GtkWidget *line = GTK_WIDGET (line_hbox)->parent;
+
+ GtkList *list = GTK_LIST (GTK_WIDGET (line)->parent);
+ GtkViewport *vp = GTK_VIEWPORT (GTK_WIDGET (list)->parent);
+ GtkScrolledWindow *scroller = GTK_SCROLLED_WINDOW (GTK_WIDGET (vp)->parent);
+ GtkAdjustment *adj;
+ double scroll_top;
+
+ GtkToggleButton *enabled =
+ GTK_TOGGLE_BUTTON (name_to_widget (cb, "enabled"));
+
+ int which = gtk_list_child_position (list, line);
+
+ /* remember previous scroll position of the top of the list */
+ adj = gtk_scrolled_window_get_vadjustment (scroller);
+ scroll_top = adj->value;
+
+ apply_changes_and_save (GTK_WIDGET (list));
+ gtk_list_select_item (list, which);
+ /* ensure_selected_item_visible (GTK_WIDGET (list)); */
+ populate_demo_window (GTK_WIDGET (list), which, pair);
+
+ updating_enabled_cb++;
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (enabled),
+ GTK_TOGGLE_BUTTON (cb)->active);
+ updating_enabled_cb--;
+
+ /* restore the previous scroll position of the top of the list.
+ this is weak, but I don't really know why it's moving... */
+ gtk_adjustment_set_value (adj, scroll_top);
+}
+
+
+/* Called when the right pane Enabled checkbox is clicked. This syncs
+ the corresponding checkbox inside the scrolling list to the state
+ of this checkbox.
+ */
+void
+enabled_cb (GtkWidget *cb, gpointer client_data)
+{
+ int which = selected_hack_number (cb);
+
+ if (updating_enabled_cb) return;
+
+ if (which != -1)
+ {
+ GtkList *list = GTK_LIST (name_to_widget (cb, "list"));
+ GList *kids = GTK_LIST (list)->children;
+ GtkWidget *line = GTK_WIDGET (g_list_nth_data (kids, which));
+ GtkWidget *line_hbox = GTK_WIDGET (GTK_BIN (line)->child);
+ GtkWidget *line_check =
+ GTK_WIDGET (gtk_container_children (GTK_CONTAINER (line_hbox))->data);
+
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (line_check),
+ GTK_TOGGLE_BUTTON (cb)->active);
+ }
+}
+
+
+
+typedef struct {
+ prefs_pair *pair;
+ GtkFileSelection *widget;
+} file_selection_data;
+
+
+
+static void
+store_image_directory (GtkWidget *button, gpointer user_data)
+{
+ file_selection_data *fsd = (file_selection_data *) user_data;
+ prefs_pair *pair = fsd->pair;
+ GtkFileSelection *selector = fsd->widget;
+ GtkWidget *top = toplevel_widget;
+ saver_preferences *p = pair->a;
+ char *path = gtk_file_selection_get_filename (selector);
+
+ if (p->image_directory && !strcmp(p->image_directory, path))
+ return; /* no change */
+
+ if (!directory_p (path))
+ {
+ char b[255];
+ sprintf (b, "Error:\n\n" "Directory does not exist: \"%s\"\n", path);
+ warning_dialog (GTK_WIDGET (top), b, False, 100);
+ return;
+ }
+
+ if (p->image_directory) free (p->image_directory);
+ p->image_directory = normalize_directory (path);
+
+ gtk_entry_set_text (GTK_ENTRY (name_to_widget (top, "image_text")),
+ (p->image_directory ? p->image_directory : ""));
+ demo_write_init_file (GTK_WIDGET (top), p);
+}
+
+
+static void
+browse_image_dir_cancel (GtkWidget *button, gpointer user_data)
+{
+ file_selection_data *fsd = (file_selection_data *) user_data;
+ gtk_widget_hide (GTK_WIDGET (fsd->widget));
+}
+
+static void
+browse_image_dir_ok (GtkWidget *button, gpointer user_data)
+{
+ browse_image_dir_cancel (button, user_data);
+ store_image_directory (button, user_data);
+}
+
+static void
+browse_image_dir_close (GtkWidget *widget, GdkEvent *event, gpointer user_data)
+{
+ browse_image_dir_cancel (widget, user_data);
+}
+
+
+void
+browse_image_dir_cb (GtkButton *button, gpointer user_data)
+{
+ /* prefs_pair *pair = (prefs_pair *) client_data; */
+ prefs_pair *pair = global_prefs_pair; /* I hate C so much... */
+ saver_preferences *p = pair->a;
+ static file_selection_data *fsd = 0;
+
+ GtkFileSelection *selector = GTK_FILE_SELECTION(
+ gtk_file_selection_new ("Please select the image directory."));
+
+ if (!fsd)
+ fsd = (file_selection_data *) malloc (sizeof (*fsd));
+
+ fsd->widget = selector;
+ fsd->pair = pair;
+
+ if (p->image_directory && *p->image_directory)
+ gtk_file_selection_set_filename (selector, p->image_directory);
+
+ gtk_signal_connect (GTK_OBJECT (selector->ok_button),
+ "clicked", GTK_SIGNAL_FUNC (browse_image_dir_ok),
+ (gpointer *) fsd);
+ gtk_signal_connect (GTK_OBJECT (selector->cancel_button),
+ "clicked", GTK_SIGNAL_FUNC (browse_image_dir_cancel),
+ (gpointer *) fsd);
+ gtk_signal_connect (GTK_OBJECT (selector), "delete_event",
+ GTK_SIGNAL_FUNC (browse_image_dir_close),
+ (gpointer *) fsd);
+
+ gtk_widget_set_sensitive (GTK_WIDGET (selector->file_list), False);
+
+ gtk_window_set_modal (GTK_WINDOW (selector), True);
+ gtk_widget_show (GTK_WIDGET (selector));
+}
+
+