[libgd] GdMainView: Support GtkTreeFilterModels

[Alexander Larsson <alexl src gnome org>]

commit 2fb32d9f7adf17e497340fb91d444caa741e4ce2
Author: Alexander Larsson <alexl redhat com>
Date:   Mon Apr 15 13:32:11 2013 +0200

    GdMainView: Support GtkTreeFilterModels
    
    Like GdMainViewGeneric we handle GtkTreeFilterModel models by just
    looking inside them when setting "selected".
    
    https://bugzilla.gnome.org/show_bug.cgi?id=698055

 libgd/gd-main-view.c | 45 ++++++++++++++++++++++++++++++---------------
 1 file changed, 30 insertions(+), 15 deletions(-)
---
diff --git a/libgd/gd-main-view.c b/libgd/gd-main-view.c
index 9813fd7..fc23c1a 100644
--- a/libgd/gd-main-view.c
+++ b/libgd/gd-main-view.c
@@ -336,6 +336,31 @@ get_generic (GdMainView *self)
 }
 
 static void
+do_select_row (GdMainView *self,
+               GtkTreeIter *iter,
+               gboolean value)
+{
+  GtkTreeModel *model;
+  GtkTreeModelFilter *filter;
+  GtkTreeIter my_iter, child_iter;
+
+  model = self->priv->model;
+  my_iter = *iter;
+
+  while (GTK_IS_TREE_MODEL_FILTER (model))
+    {
+      filter = GTK_TREE_MODEL_FILTER (model);
+      gtk_tree_model_filter_convert_iter_to_child_iter (filter, &child_iter, &my_iter);
+      model = gtk_tree_model_filter_get_model (filter);
+      my_iter = child_iter;
+    }
+
+  gtk_list_store_set (GTK_LIST_STORE (model), &my_iter,
+                      GD_MAIN_COLUMN_SELECTED, value,
+                      -1);
+}
+
+static void
 selection_mode_do_select_range (GdMainView *self,
                                 GtkTreeIter *first_element,
                                 GtkTreeIter *last_element)
@@ -360,9 +385,7 @@ selection_mode_do_select_range (GdMainView *self,
 
   do
     {
-      gtk_list_store_set (GTK_LIST_STORE (self->priv->model), &iter,
-                          GD_MAIN_COLUMN_SELECTED, TRUE,
-                          -1);
+      do_select_row (self, &iter, TRUE);
 
       path = gtk_tree_model_get_path (self->priv->model, &iter);
       equal = (gtk_tree_path_compare (path, last_path) == 0);
@@ -442,9 +465,7 @@ selection_mode_select_range (GdMainView *self,
   else
     {
       /* no other selected element found, just select the iter */
-      gtk_list_store_set (GTK_LIST_STORE (self->priv->model), iter,
-                         GD_MAIN_COLUMN_SELECTED, TRUE,
-                         -1);
+      do_select_row (self, &iter, TRUE);
     }
 }
 
@@ -469,9 +490,7 @@ toggle_selection_for_path (GdMainView *self,
 
   if (selected)
     {
-      gtk_list_store_set (GTK_LIST_STORE (self->priv->model), &iter,
-                          GD_MAIN_COLUMN_SELECTED, FALSE,
-                          -1);
+      do_select_row (self, &iter, FALSE);
     }
   else if (!selected)
     {
@@ -485,9 +504,7 @@ toggle_selection_for_path (GdMainView *self,
          g_free (self->priv->last_selected_id);
          self->priv->last_selected_id = id;
 
-         gtk_list_store_set (GTK_LIST_STORE (self->priv->model), &iter,
-                             GD_MAIN_COLUMN_SELECTED, TRUE,
-                             -1);
+          do_select_row (self, &iter, TRUE);
        }
     }
 
@@ -602,9 +619,7 @@ on_button_release_event (GtkWidget *view,
                  gtk_tree_model_get (self->priv->model, &iter,
                                      GD_MAIN_COLUMN_SELECTED, &is_selected,
                                      -1);
-                 gtk_list_store_set (GTK_LIST_STORE (self->priv->model), &iter,
-                                     GD_MAIN_COLUMN_SELECTED, !is_selected,
-                                     -1);
+                  do_select_row (self, &iter, !is_selected);
                }
 
              gtk_tree_path_next (start_path);