GtkCellView now watches the "row-changed" signal.

When the "row-changed" signal on the model is trapped, if the row which
changed is the displayed row then the context is flushed and sizes are
recalculated for every area in the same context.

diff --git a/gtk/gtkcellview.c b/gtk/gtkcellview.c
index 2fa830f3288bf688a8a3f6ab6e83ed6069117793..e1269fce84de598776d4902881043e7a384020c6 100644 (file)
--- a/gtk/gtkcellview.c
+++ b/gtk/gtkcellview.c
@@ -54,6 +54,7 @@ struct _GtkCellViewPrivate
   gboolean             background_set;
 
   gulong               size_changed_id;
+  gulong               row_changed_id;
 };
 
 
@@ -138,7 +139,10 @@ static void       gtk_cell_view_get_preferred_height_for_width (GtkWidget
 static void       context_size_changed_cb                      (GtkCellAreaContext   *context,
                                                                GParamSpec           *pspec,
                                                                GtkWidget            *view);
-
+static void       row_changed_cb                               (GtkTreeModel         *model,
+                                                               GtkTreePath          *path,
+                                                               GtkTreeIter          *iter,
+                                                               GtkCellView          *view);
 
 static GtkBuildableIface *parent_buildable_iface;
 
@@ -669,6 +673,24 @@ context_size_changed_cb (GtkCellAreaContext  *context,
     gtk_widget_queue_resize (view);
 }
 
+static void
+row_changed_cb (GtkTreeModel         *model,
+               GtkTreePath          *path,
+               GtkTreeIter          *iter,
+               GtkCellView          *view)
+{
+  GtkTreePath *row_path;
+
+  if (view->priv->displayed_row)
+    {
+      row_path = 
+       gtk_tree_row_reference_get_path (view->priv->displayed_row);
+
+      /* Resize everything in our context if our row changed */
+      if (gtk_tree_path_compare (row_path, path) == 0)
+       gtk_cell_area_context_flush (view->priv->context);
+    }
+}
 
 /**
  * gtk_cell_view_new:
@@ -863,6 +885,10 @@ gtk_cell_view_set_model (GtkCellView  *cell_view,
 
   if (cell_view->priv->model)
     {
+      g_signal_handler_disconnect (cell_view->priv->model, 
+                                  cell_view->priv->row_changed_id);
+      cell_view->priv->row_changed_id = 0;
+
       if (cell_view->priv->displayed_row)
         gtk_tree_row_reference_free (cell_view->priv->displayed_row);
       cell_view->priv->displayed_row = NULL;
@@ -874,7 +900,13 @@ gtk_cell_view_set_model (GtkCellView  *cell_view,
   cell_view->priv->model = model;
 
   if (cell_view->priv->model)
-    g_object_ref (cell_view->priv->model);
+    {
+      g_object_ref (cell_view->priv->model);
+
+      cell_view->priv->row_changed_id = 
+       g_signal_connect (cell_view->priv->model, "row-changed",
+                         G_CALLBACK (row_changed_cb), cell_view);
+    }
 }
 
 /**