[gimp/metadata-browser] Bug 658902 - Show different icon for visible layer group members of...

[Roman Joost <romanofski src gnome org>]

commit 942231181dc4c593f6efaecd86e561d58fefca55
Author: Michael Natterer <mitch gimp org>
Date:   Fri Sep 23 23:45:10 2011 +0200

    Bug 658902 - Show different icon for visible layer group members of...
    
    Set the "eye" renderer to inconsistent state if the item is visible,
    but not effectively viewable because one of its parents is invisible.

 app/widgets/gimpitemtreeview.c |   39 ++++++++++++++++++++++++++++++++-------
 1 files changed, 32 insertions(+), 7 deletions(-)
---
diff --git a/app/widgets/gimpitemtreeview.c b/app/widgets/gimpitemtreeview.c
index 0be6cca..d836a56 100644
--- a/app/widgets/gimpitemtreeview.c
+++ b/app/widgets/gimpitemtreeview.c
@@ -82,6 +82,7 @@ struct _GimpItemTreeViewPriv
   GtkWidget       *delete_button;
 
   gint             model_column_visible;
+  gint             model_column_viewable;
   gint             model_column_linked;
   GtkCellRenderer *eye_cell;
   GtkCellRenderer *chain_cell;
@@ -306,6 +307,11 @@ gimp_item_tree_view_init (GimpItemTreeView *view)
                                            &tree_view->n_model_columns,
                                            G_TYPE_BOOLEAN);
 
+  view->priv->model_column_viewable =
+    gimp_container_tree_store_columns_add (tree_view->model_columns,
+                                           &tree_view->n_model_columns,
+                                           G_TYPE_BOOLEAN);
+
   view->priv->model_column_linked =
     gimp_container_tree_store_columns_add (tree_view->model_columns,
                                            &tree_view->n_model_columns,
@@ -355,6 +361,8 @@ gimp_item_tree_view_constructed (GObject *object)
   gtk_tree_view_column_set_attributes (column, item_view->priv->eye_cell,
                                        "active",
                                        item_view->priv->model_column_visible,
+                                       "inconsistent",
+                                       item_view->priv->model_column_viewable,
                                        NULL);
 
   gimp_container_tree_view_add_toggle_cell (tree_view,
@@ -639,7 +647,7 @@ gimp_item_tree_view_add_options (GimpItemTreeView *view,
 
       item_view_class = GIMP_ITEM_TREE_VIEW_GET_CLASS (view);
 
-      view->priv->options_box = gtk_vbox_new (FALSE, content_spacing);
+      view->priv->options_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, content_spacing);
       gtk_box_pack_start (GTK_BOX (view), view->priv->options_box,
                           FALSE, FALSE, 0);
       gtk_box_reorder_child (GTK_BOX (view), view->priv->options_box, 0);
@@ -658,7 +666,7 @@ gimp_item_tree_view_add_options (GimpItemTreeView *view,
       GtkWidget *label_widget;
       gboolean   group_created = FALSE;
 
-      hbox = gtk_hbox_new (FALSE, button_spacing);
+      hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, button_spacing);
       gtk_box_pack_start (GTK_BOX (view->priv->options_box), hbox,
                           FALSE, FALSE, 0);
       gtk_widget_show (hbox);
@@ -702,7 +710,7 @@ gimp_item_tree_view_get_lock_box (GimpItemTreeView *view)
                             "button-spacing", &button_spacing,
                             NULL);
 
-      view->priv->lock_box = gtk_hbox_new (FALSE, button_spacing);
+      view->priv->lock_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, button_spacing);
 
       gimp_item_tree_view_add_options (view, _("Lock:"), view->priv->lock_box);
 
@@ -932,6 +940,9 @@ gimp_item_tree_view_insert_item (GimpContainerView *view,
   gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), iter,
                       item_view->priv->model_column_visible,
                       gimp_item_get_visible (item),
+                      item_view->priv->model_column_viewable,
+                      gimp_item_get_visible (item) &&
+                      ! gimp_item_is_visible (item),
                       item_view->priv->model_column_linked,
                       gimp_item_get_linked (item),
                       -1);
@@ -1258,10 +1269,24 @@ gimp_item_tree_view_visible_changed (GimpItem         *item,
                                      (GimpViewable *) item);
 
   if (iter)
-    gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), iter,
-                        view->priv->model_column_visible,
-                        gimp_item_get_visible (item),
-                        -1);
+    {
+      GimpContainer *children;
+
+      gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), iter,
+                          view->priv->model_column_visible,
+                          gimp_item_get_visible (item),
+                          view->priv->model_column_viewable,
+                          gimp_item_get_visible (item) &&
+                          ! gimp_item_is_visible (item),
+                          -1);
+
+      children = gimp_viewable_get_children (GIMP_VIEWABLE (item));
+
+      if (children)
+        gimp_container_foreach (children,
+                                (GFunc) gimp_item_tree_view_visible_changed,
+                                view);
+    }
 }
 
 static void