[glade] * plugins/gtk+/gtk+.xml.in, plugins/gtk+/glade-gtk.c: Added add-verify-function to allow treevie

[Tristan Van Berkom <tvb src gnome org>]

commit c84af8733c49b3dec3ffcc39908cd7f0b29f572e
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Sun Mar 6 16:12:22 2011 +0900

    	* plugins/gtk+/gtk+.xml.in, plugins/gtk+/glade-gtk.c: Added add-verify-function
    	  to allow treeview columns to be added to treeviews again.

 ChangeLog                |   21 +++++++++++++--------
 plugins/gtk+/glade-gtk.c |   26 ++++++++++++++++++++++++++
 plugins/gtk+/gtk+.xml.in |    1 +
 3 files changed, 40 insertions(+), 8 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 39ba8d9..4097f4a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,16 +1,21 @@
+2011-03-06  Tristan Van Berkom <tristanvb openismus com>
+
+	* plugins/gtk+/gtk+.xml.in, plugins/gtk+/glade-gtk.c: Added add-verify-function
+	  to allow treeview columns to be added to treeviews again.
+
 2011-03-02  Juan Pablo Ugarte <juanpablougarte gmail com>
 
-  * gladeui/glade-design-layout.c:
-    o removed double click toplevel maximize feature
-    o replaced GDK_FLEUR cursor with GDK_BOTTOM_RIGHT_CORNER for resize action
+	* gladeui/glade-design-layout.c:
+	  o removed double click toplevel maximize feature
+	  o replaced GDK_FLEUR cursor with GDK_BOTTOM_RIGHT_CORNER for resize action
 
-  * gladeui/glade-design-view.c: make layout_box GTK_ALIGN_START to fix toplevel alignment
+	* gladeui/glade-design-view.c: make layout_box GTK_ALIGN_START to fix toplevel alignment
 
-  * configure.ac, doc/gladepython.sgml, plugins/python/Makefile.am, plugins/python/glade-python.c:
-    Applied patch by Craig Keogh to fix bug #626225
-    "Migrate from PyGTK to PyGObject introspection-based bindings"
+	* configure.ac, doc/gladepython.sgml, plugins/python/Makefile.am, plugins/python/glade-python.c:
+	  Applied patch by Craig Keogh to fix bug #626225
+	  "Migrate from PyGTK to PyGObject introspection-based bindings"
 
-2011-02-01 Marco Diego Aurélio Mesquita <marcodiegomesquita gmail com>
+2010-02-01 Marco Diego Aurélio Mesquita <marcodiegomesquita gmail com>
 
 	* gladeui/glade-previewer.c: Initialize core library so that plugin types can be previewed.
 
diff --git a/plugins/gtk+/glade-gtk.c b/plugins/gtk+/glade-gtk.c
index 5bd5011..64a6e9f 100644
--- a/plugins/gtk+/glade-gtk.c
+++ b/plugins/gtk+/glade-gtk.c
@@ -10664,6 +10664,32 @@ glade_gtk_treeview_post_create (GladeWidgetAdaptor *adaptor,
      "selection", "treeview", FALSE, reason);
 }
 
+gboolean
+glade_gtk_treeview_add_verify (GladeWidgetAdaptor *adaptor,
+			       GtkWidget          *container,
+			       GtkWidget          *child,
+			       gboolean            user_feedback)
+{
+  if (!GTK_IS_TREE_VIEW_COLUMN (child))
+    {
+      if (user_feedback)
+	{
+	  GladeWidgetAdaptor *cell_adaptor = 
+	    glade_widget_adaptor_get_by_type (GTK_TYPE_TREE_VIEW_COLUMN);
+
+	  glade_util_ui_message (glade_app_get_window (),
+				 GLADE_UI_INFO, NULL,
+				 _("Only a %s can be added to a %s."),
+				 glade_widget_adaptor_get_title (cell_adaptor),
+				 glade_widget_adaptor_get_title (adaptor));
+	}
+
+      return FALSE;
+    }
+
+  return TRUE;
+}
+
 static void
 glade_gtk_treeview_launch_editor (GObject * treeview)
 {
diff --git a/plugins/gtk+/gtk+.xml.in b/plugins/gtk+/gtk+.xml.in
index 93453ae..e13cf02 100644
--- a/plugins/gtk+/gtk+.xml.in
+++ b/plugins/gtk+/gtk+.xml.in
@@ -2190,6 +2190,7 @@ embedded in another object</_tooltip>
 
     <glade-widget-class name="GtkTreeView" generic-name="treeview" _title="Tree View">
       <post-create-function>glade_gtk_treeview_post_create</post-create-function>
+      <add-child-verify-function>glade_gtk_treeview_add_verify</add-child-verify-function>
       <child-set-property-function>glade_gtk_treeview_set_child_property</child-set-property-function>
       <child-get-property-function>glade_gtk_treeview_get_child_property</child-get-property-function>
       <get-children-function>glade_gtk_treeview_get_children</get-children-function>