]> Pileus Git - ~andy/gtk/blobdiff - tests/testtreecolumns.c
stylecontext: Do invalidation on first resize container
[~andy/gtk] / tests / testtreecolumns.c
index 10cdbb0cedb65173daaf1250e9b2ec4ee4756be4..4c1d87fbf015e13d6c59f4885230b2028831e077 100644 (file)
@@ -1,3 +1,22 @@
+/* testtreecolumns.c
+ * Copyright (C) 2001 Red Hat, Inc
+ * Author: Jonathan Blandford
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
 #include <gtk/gtk.h>
 
 /*
@@ -33,7 +52,10 @@ GtkWidget *sample_tree_view_bottom;
 
 #define column_data "my_column_data"
 
-
+static void move_row  (GtkTreeModel *src,
+                      GtkTreeIter  *src_iter,
+                      GtkTreeModel *dest,
+                      GtkTreeIter  *dest_iter);
 
 /* Kids, don't try this at home.  */
 
@@ -43,7 +65,7 @@ typedef struct _ViewColumnModelClass ViewColumnModelClass;
 
 struct _ViewColumnModel
 {
-  GObject parent;
+  GtkListStore parent;
   GtkTreeView *view;
   GList *columns;
   gint stamp;
@@ -51,7 +73,7 @@ struct _ViewColumnModel
 
 struct _ViewColumnModelClass
 {
-  GObjectClass parent_class;
+  GtkListStoreClass parent_class;
 };
 
 static void view_column_model_init (ViewColumnModel *model)
@@ -246,43 +268,113 @@ view_column_model_tree_model_init (GtkTreeModelIface *iface)
   iface->iter_parent = view_column_model_iter_parent;
 }
 
+static gboolean
+view_column_model_drag_data_get (GtkTreeDragSource   *drag_source,
+                                GtkTreePath         *path,
+                                GtkSelectionData    *selection_data)
+{
+  if (gtk_tree_set_row_drag_data (selection_data,
+                                 GTK_TREE_MODEL (drag_source),
+                                 path))
+    return TRUE;
+  else
+    return FALSE;
+}
 
-GType
-view_column_model_get_type (void)
+static gboolean
+view_column_model_drag_data_delete (GtkTreeDragSource *drag_source,
+                                   GtkTreePath       *path)
 {
-  static GType view_column_model_type = 0;
+  /* Nothing -- we handle moves on the dest side */
+  
+  return TRUE;
+}
 
-  if (!view_column_model_type)
+static gboolean
+view_column_model_row_drop_possible (GtkTreeDragDest   *drag_dest,
+                                    GtkTreePath       *dest_path,
+                                    GtkSelectionData  *selection_data)
+{
+  GtkTreeModel *src_model;
+  
+  if (gtk_tree_get_row_drag_data (selection_data,
+                                 &src_model,
+                                 NULL))
+    {
+      if (src_model == left_tree_model ||
+         src_model == top_right_tree_model ||
+         src_model == bottom_right_tree_model)
+       return TRUE;
+    }
+
+  return FALSE;
+}
+
+static gboolean
+view_column_model_drag_data_received (GtkTreeDragDest   *drag_dest,
+                                     GtkTreePath       *dest,
+                                     GtkSelectionData  *selection_data)
+{
+  GtkTreeModel *src_model;
+  GtkTreePath *src_path = NULL;
+  gboolean retval = FALSE;
+  
+  if (gtk_tree_get_row_drag_data (selection_data,
+                                 &src_model,
+                                 &src_path))
     {
-      static const GTypeInfo view_column_model_info =
-      {
-       sizeof (GtkListStoreClass),
-       NULL,           /* base_init */
-       NULL,           /* base_finalize */
-        NULL,          /* class_init */
-       NULL,           /* class_finalize */
-       NULL,           /* class_data */
-        sizeof (GtkListStore),
-       0,
-        (GInstanceInitFunc) view_column_model_init,
-      };
-
-      static const GInterfaceInfo tree_model_info =
-      {
-       (GInterfaceInitFunc) view_column_model_tree_model_init,
-       NULL,
-       NULL
-      };
-
-      view_column_model_type = g_type_register_static (G_TYPE_OBJECT, "ViewModelColumn", &view_column_model_info, 0);
-      g_type_add_interface_static (view_column_model_type,
-                                  GTK_TYPE_TREE_MODEL,
-                                  &tree_model_info);
+      GtkTreeIter src_iter;
+      GtkTreeIter dest_iter;
+      gboolean have_dest;
+
+      /* We are a little lazy here, and assume if we can't convert dest
+       * to an iter, we need to append. See gtkliststore.c for a more
+       * careful handling of this.
+       */
+      have_dest = gtk_tree_model_get_iter (GTK_TREE_MODEL (drag_dest), &dest_iter, dest);
+
+      if (gtk_tree_model_get_iter (src_model, &src_iter, src_path))
+       {
+         if (src_model == left_tree_model ||
+             src_model == top_right_tree_model ||
+             src_model == bottom_right_tree_model)
+           {
+             move_row (src_model, &src_iter, GTK_TREE_MODEL (drag_dest),
+                       have_dest ? &dest_iter : NULL);
+             retval = TRUE;
+           }
+       }
+
+      gtk_tree_path_free (src_path);
     }
+  
+  return retval;
+}
 
-  return view_column_model_type;
+static void
+view_column_model_drag_source_init (GtkTreeDragSourceIface *iface)
+{
+  iface->drag_data_get = view_column_model_drag_data_get;
+  iface->drag_data_delete = view_column_model_drag_data_delete;
 }
 
+static void
+view_column_model_drag_dest_init (GtkTreeDragDestIface *iface)
+{
+  iface->drag_data_received = view_column_model_drag_data_received;
+  iface->row_drop_possible = view_column_model_row_drop_possible;
+}
+
+static void
+view_column_model_class_init (ViewColumnModelClass *klass)
+{
+}
+
+G_DEFINE_TYPE_WITH_CODE (ViewColumnModel, view_column_model, GTK_TYPE_LIST_STORE,
+                         G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_MODEL, view_column_model_tree_model_init)
+                         G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_DRAG_SOURCE, view_column_model_drag_source_init)
+                         G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_DRAG_DEST, view_column_model_drag_dest_init))
+
 static void
 update_columns (GtkTreeView *view, ViewColumnModel *view_model)
 {
@@ -312,14 +404,14 @@ update_columns (GtkTreeView *view, ViewColumnModel *view_model)
       if (length < old_length)
        {
          view_model->stamp++;
-         gtk_tree_model_deleted (GTK_TREE_MODEL (view_model), path);
+         gtk_tree_model_row_deleted (GTK_TREE_MODEL (view_model), path);
        }
       else
        {
          GtkTreeIter iter;
          iter.stamp = view_model->stamp;
          iter.user_data = b;
-         gtk_tree_model_inserted (GTK_TREE_MODEL (view_model), path, &iter);
+         gtk_tree_model_row_inserted (GTK_TREE_MODEL (view_model), path, &iter);
        }
       gtk_tree_path_free (path);
     }
@@ -376,10 +468,10 @@ update_columns (GtkTreeView *view, ViewColumnModel *view_model)
        }
 
       path = gtk_tree_path_new ();
-      gtk_tree_model_reordered (GTK_TREE_MODEL (view_model),
-                               path,
-                               NULL,
-                               new_order);
+      gtk_tree_model_rows_reordered (GTK_TREE_MODEL (view_model),
+                                    path,
+                                    NULL,
+                                    new_order);
       gtk_tree_path_free (path);
       g_free (new_order);
     }
@@ -392,11 +484,11 @@ view_column_model_new (GtkTreeView *view)
 {
   GtkTreeModel *retval;
 
-  retval = GTK_TREE_MODEL (g_object_new (view_column_model_get_type (), NULL));
+  retval = g_object_new (view_column_model_get_type (), NULL);
   ((ViewColumnModel *)retval)->view = view;
   ((ViewColumnModel *)retval)->columns = gtk_tree_view_get_columns (view);
 
-  gtk_signal_connect (GTK_OBJECT (view), "columns_changed", GTK_SIGNAL_FUNC (update_columns), retval);
+  g_signal_connect (view, "columns_changed", G_CALLBACK (update_columns), retval);
 
   return retval;
 }
@@ -419,7 +511,8 @@ add_clicked (GtkWidget *button, gpointer data)
   column = gtk_tree_view_column_new_with_attributes (label, cell, "text", 0, NULL);
   g_object_set_data_full (G_OBJECT (column), column_data, label, g_free);
   gtk_tree_view_column_set_reorderable (column, TRUE);
-  gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_RESIZABLE);
+  gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
+  gtk_tree_view_column_set_resizable (column, TRUE);
   gtk_list_store_append (GTK_LIST_STORE (left_tree_model), &iter);
   gtk_list_store_set (GTK_LIST_STORE (left_tree_model), &iter, 0, label, 1, column, -1);
   i++;
@@ -464,26 +557,24 @@ set_visible (GtkCellRendererToggle *cell,
   if (column)
     {
       gtk_tree_view_column_set_visible (column, ! gtk_tree_view_column_get_visible (column));
-      gtk_tree_model_range_changed (model, path, &iter, path, &iter);
+      gtk_tree_model_row_changed (model, path, &iter);
     }
   gtk_tree_path_free (path);
 }
 
 static void
-add_left_clicked (GtkWidget *button,
-                 gpointer data)
+move_to_left (GtkTreeModel *src,
+             GtkTreeIter  *src_iter,
+             GtkTreeIter  *dest_iter)
 {
   GtkTreeIter iter;
-  gchar *label;
   GtkTreeViewColumn *column;
+  GtkTreeSelection *selection;
+  gchar *label;
 
-  GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (data));
+  gtk_tree_model_get (src, src_iter, 0, &label, 1, &column, -1);
 
-  gtk_tree_selection_get_selected (selection, NULL, &iter);
-  gtk_tree_model_get (gtk_tree_view_get_model (GTK_TREE_VIEW (data)),
-                     &iter, 0, &label, 1, &column, -1);
-
-  if (GTK_WIDGET (data) == top_right_tree_view)
+  if (src == top_right_tree_model)
     gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_top), column);
   else
     gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_bottom), column);
@@ -491,33 +582,116 @@ add_left_clicked (GtkWidget *button,
   /*  gtk_list_store_remove (GTK_LIST_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (data))), &iter);*/
 
   /* Put it back on the left */
-  gtk_list_store_append (GTK_LIST_STORE (left_tree_model), &iter);
+  if (dest_iter)
+    gtk_list_store_insert_before (GTK_LIST_STORE (left_tree_model),
+                                 &iter, dest_iter);
+  else
+    gtk_list_store_append (GTK_LIST_STORE (left_tree_model), &iter);
+  
   gtk_list_store_set (GTK_LIST_STORE (left_tree_model), &iter, 0, label, 1, column, -1);
   selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view));
   gtk_tree_selection_select_iter (selection, &iter);
+
+  g_free (label);
+}
+
+static void
+move_to_right (GtkTreeIter  *src_iter,
+              GtkTreeModel *dest,
+              GtkTreeIter  *dest_iter)
+{
+  gchar *label;
+  GtkTreeViewColumn *column;
+  gint before = -1;
+
+  gtk_tree_model_get (GTK_TREE_MODEL (left_tree_model),
+                     src_iter, 0, &label, 1, &column, -1);
+  gtk_list_store_remove (GTK_LIST_STORE (left_tree_model), src_iter);
+
+  if (dest_iter)
+    {
+      GtkTreePath *path = gtk_tree_model_get_path (dest, dest_iter);
+      before = (gtk_tree_path_get_indices (path))[0];
+      gtk_tree_path_free (path);
+    }
+  
+  if (dest == top_right_tree_model)
+    gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_top), column, before);
+  else
+    gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_bottom), column, before);
+
+  g_free (label);
+}
+
+static void
+move_up_or_down (GtkTreeModel *src,
+                GtkTreeIter  *src_iter,
+                GtkTreeModel *dest,
+                GtkTreeIter  *dest_iter)
+{
+  GtkTreeViewColumn *column;
+  gchar *label;
+  gint before = -1;
+  
+  gtk_tree_model_get (src, src_iter, 0, &label, 1, &column, -1);
+
+  if (dest_iter)
+    {
+      GtkTreePath *path = gtk_tree_model_get_path (dest, dest_iter);
+      before = (gtk_tree_path_get_indices (path))[0];
+      gtk_tree_path_free (path);
+    }
+  
+  if (src == top_right_tree_model)
+    gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_top), column);
+  else
+    gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_bottom), column);
+
+  if (dest == top_right_tree_model)
+    gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_top), column, before);
+  else
+    gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_bottom), column, before);
+
   g_free (label);
 }
 
+static void
+move_row  (GtkTreeModel *src,
+          GtkTreeIter  *src_iter,
+          GtkTreeModel *dest,
+          GtkTreeIter  *dest_iter)
+{
+  if (src == left_tree_model)
+    move_to_right (src_iter, dest, dest_iter);
+  else if (dest == left_tree_model)
+    move_to_left (src, src_iter, dest_iter);
+  else 
+    move_up_or_down (src, src_iter, dest, dest_iter);
+}
+
+static void
+add_left_clicked (GtkWidget *button,
+                 gpointer data)
+{
+  GtkTreeIter iter;
+
+  GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (data));
+
+  gtk_tree_selection_get_selected (selection, NULL, &iter);
+
+  move_to_left (gtk_tree_view_get_model (GTK_TREE_VIEW (data)), &iter, NULL);
+}
 
 static void
 add_right_clicked (GtkWidget *button, gpointer data)
 {
   GtkTreeIter iter;
-  gchar *label;
-  GtkTreeViewColumn *column;
 
   GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view));
 
   gtk_tree_selection_get_selected (selection, NULL, &iter);
-  gtk_tree_model_get (GTK_TREE_MODEL (left_tree_model),
-                     &iter, 0, &label, 1, &column, -1);
-  gtk_list_store_remove (GTK_LIST_STORE (left_tree_model), &iter);
 
-  if (GTK_WIDGET (data) == top_right_tree_view)
-    gtk_tree_view_append_column (GTK_TREE_VIEW (sample_tree_view_top), column);
-  else
-    gtk_tree_view_append_column (GTK_TREE_VIEW (sample_tree_view_bottom), column);
-  g_free (label);
+  move_to_right (&iter, gtk_tree_view_get_model (GTK_TREE_VIEW (data)), NULL);
 }
 
 static void
@@ -549,8 +723,8 @@ main (int argc, char *argv[])
   gtk_init (&argc, &argv);
 
   /* First initialize all the models for signal purposes */
-  left_tree_model = (GtkTreeModel *) gtk_list_store_new_with_types (2, G_TYPE_STRING, GTK_TYPE_POINTER);
-  sample_model = (GtkTreeModel *) gtk_list_store_new_with_types (1, G_TYPE_STRING);
+  left_tree_model = (GtkTreeModel *) gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_POINTER);
+  sample_model = (GtkTreeModel *) gtk_list_store_new (1, G_TYPE_STRING);
   sample_tree_view_top = gtk_tree_view_new_with_model (sample_model);
   sample_tree_view_bottom = gtk_tree_view_new_with_model (sample_model);
   top_right_tree_model = (GtkTreeModel *) view_column_model_new (GTK_TREE_VIEW (sample_tree_view_top));
@@ -569,6 +743,7 @@ main (int argc, char *argv[])
 
   /* Set up the test windows. */
   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+  g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL); 
   gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
   gtk_window_set_title (GTK_WINDOW (window), "Top Window");
   swindow = gtk_scrolled_window_new (NULL, NULL);
@@ -577,6 +752,7 @@ main (int argc, char *argv[])
   gtk_widget_show_all (window);
 
   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+  g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL); 
   gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
   gtk_window_set_title (GTK_WINDOW (window), "Bottom Window");
   swindow = gtk_scrolled_window_new (NULL, NULL);
@@ -586,12 +762,13 @@ main (int argc, char *argv[])
 
   /* Set up the main window */
   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+  g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL); 
   gtk_window_set_default_size (GTK_WINDOW (window), 500, 300);
-  vbox = gtk_vbox_new (FALSE, 8);
+  vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
   gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
   gtk_container_add (GTK_CONTAINER (window), vbox);
 
-  hbox = gtk_hbox_new (FALSE, 8);
+  hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 8);
   gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
 
   /* Left Pane */
@@ -604,58 +781,56 @@ main (int argc, char *argv[])
   gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (left_tree_view), -1,
                                               "Unattached Columns", cell, "text", 0, NULL);
   cell = gtk_cell_renderer_toggle_new ();
-  g_signal_connect (G_OBJECT (cell), "toggled", (GCallback) set_visible, left_tree_view);
+  g_signal_connect (cell, "toggled", G_CALLBACK (set_visible), left_tree_view);
   column = gtk_tree_view_column_new_with_attributes ("Visible", cell, NULL);
   gtk_tree_view_append_column (GTK_TREE_VIEW (left_tree_view), column);
-  g_object_unref (G_OBJECT (column));
+
   gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
   gtk_box_pack_start (GTK_BOX (hbox), swindow, TRUE, TRUE, 0);
 
   /* Middle Pane */
-  vbox2 = gtk_vbox_new (FALSE, 8);
+  vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
   gtk_box_pack_start (GTK_BOX (hbox), vbox2, FALSE, FALSE, 0);
   
-  bbox = gtk_vbutton_box_new ();
+  bbox = gtk_button_box_new (GTK_ORIENTATION_VERTICAL);
   gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_SPREAD);
-  gtk_button_box_set_child_size (GTK_BUTTON_BOX (bbox), 0, 0);
   gtk_box_pack_start (GTK_BOX (vbox2), bbox, TRUE, TRUE, 0);
 
-  button = gtk_button_new_with_label ("<<");
+  button = gtk_button_new_with_mnemonic ("<< (_Q)");
   gtk_widget_set_sensitive (button, FALSE);
-  gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (add_left_clicked), top_right_tree_view);
-  g_signal_connectc (G_OBJECT (gtk_tree_view_get_selection (GTK_TREE_VIEW (top_right_tree_view))),
-                     "changed", GTK_SIGNAL_FUNC (selection_changed), button, FALSE);
+  g_signal_connect (button, "clicked", G_CALLBACK (add_left_clicked), top_right_tree_view);
+  g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (top_right_tree_view)),
+                    "changed", G_CALLBACK (selection_changed), button);
   gtk_box_pack_start (GTK_BOX (bbox), button, FALSE, FALSE, 0);
 
-  button = gtk_button_new_with_label (">>");
+  button = gtk_button_new_with_mnemonic (">> (_W)");
   gtk_widget_set_sensitive (button, FALSE);
-  gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (add_right_clicked), top_right_tree_view);
-  g_signal_connectc (G_OBJECT (gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view))),
-                    "changed", GTK_SIGNAL_FUNC (selection_changed), button, FALSE);
+  g_signal_connect (button, "clicked", G_CALLBACK (add_right_clicked), top_right_tree_view);
+  g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view)),
+                    "changed", G_CALLBACK (selection_changed), button);
   gtk_box_pack_start (GTK_BOX (bbox), button, FALSE, FALSE, 0);
 
-  bbox = gtk_vbutton_box_new ();
+  bbox = gtk_button_box_new (GTK_ORIENTATION_VERTICAL);
   gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_SPREAD);
-  gtk_button_box_set_child_size (GTK_BUTTON_BOX (bbox), 0, 0);
   gtk_box_pack_start (GTK_BOX (vbox2), bbox, TRUE, TRUE, 0);
 
-  button = gtk_button_new_with_label ("<<");
+  button = gtk_button_new_with_mnemonic ("<< (_E)");
   gtk_widget_set_sensitive (button, FALSE);
-  gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (add_left_clicked), bottom_right_tree_view);
-  g_signal_connectc (G_OBJECT (gtk_tree_view_get_selection (GTK_TREE_VIEW (bottom_right_tree_view))),
-                     "changed", GTK_SIGNAL_FUNC (selection_changed), button, FALSE);
+  g_signal_connect (button, "clicked", G_CALLBACK (add_left_clicked), bottom_right_tree_view);
+  g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (bottom_right_tree_view)),
+                    "changed", G_CALLBACK (selection_changed), button);
   gtk_box_pack_start (GTK_BOX (bbox), button, FALSE, FALSE, 0);
 
-  button = gtk_button_new_with_label (">>");
+  button = gtk_button_new_with_mnemonic (">> (_R)");
   gtk_widget_set_sensitive (button, FALSE);
-  gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (add_right_clicked), bottom_right_tree_view);
-  g_signal_connectc (G_OBJECT (gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view))),
-                    "changed", GTK_SIGNAL_FUNC (selection_changed), button, FALSE);
+  g_signal_connect (button, "clicked", G_CALLBACK (add_right_clicked), bottom_right_tree_view);
+  g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view)),
+                    "changed", G_CALLBACK (selection_changed), button);
   gtk_box_pack_start (GTK_BOX (bbox), button, FALSE, FALSE, 0);
 
   
   /* Right Pane */
-  vbox2 = gtk_vbox_new (FALSE, 8);
+  vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
   gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 0);
 
   swindow = gtk_scrolled_window_new (NULL, NULL);
@@ -665,7 +840,7 @@ main (int argc, char *argv[])
   gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (top_right_tree_view), -1,
                                               NULL, cell, "text", 0, NULL);
   cell = gtk_cell_renderer_toggle_new ();
-  g_signal_connect (G_OBJECT (cell), "toggled", (GCallback) set_visible, top_right_tree_view);
+  g_signal_connect (cell, "toggled", G_CALLBACK (set_visible), top_right_tree_view);
   column = gtk_tree_view_column_new_with_attributes (NULL, cell, NULL);
   gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
   gtk_tree_view_append_column (GTK_TREE_VIEW (top_right_tree_view), column);
@@ -680,7 +855,7 @@ main (int argc, char *argv[])
   gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (bottom_right_tree_view), -1,
                                               NULL, cell, "text", 0, NULL);
   cell = gtk_cell_renderer_toggle_new ();
-  g_signal_connect (G_OBJECT (cell), "toggled", (GCallback) set_visible, bottom_right_tree_view);
+  g_signal_connect (cell, "toggled", G_CALLBACK (set_visible), bottom_right_tree_view);
   column = gtk_tree_view_column_new_with_attributes (NULL, cell, NULL);
   gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
   gtk_tree_view_append_column (GTK_TREE_VIEW (bottom_right_tree_view), column);
@@ -689,49 +864,44 @@ main (int argc, char *argv[])
 
   
   /* Drag and Drop */
-  gtk_tree_view_set_rows_drag_source (GTK_TREE_VIEW (left_tree_view),
-                                      GDK_BUTTON1_MASK,
-                                      row_targets,
-                                      G_N_ELEMENTS (row_targets),
-                                      GDK_ACTION_MOVE,
-                                      NULL, NULL);
-  gtk_tree_view_set_rows_drag_dest (GTK_TREE_VIEW (left_tree_view),
-                                    row_targets,
-                                    G_N_ELEMENTS (row_targets),
-                                    GDK_ACTION_MOVE,
-                                    NULL, NULL);
-
-  gtk_tree_view_set_rows_drag_source (GTK_TREE_VIEW (top_right_tree_view),
-                                      GDK_BUTTON1_MASK,
-                                      row_targets,
-                                      G_N_ELEMENTS (row_targets),
-                                      GDK_ACTION_MOVE,
-                                      NULL, NULL);
-  gtk_tree_view_set_rows_drag_dest (GTK_TREE_VIEW (top_right_tree_view),
-                                   row_targets,
-                                   G_N_ELEMENTS (row_targets),
-                                   GDK_ACTION_MOVE,
-                                     NULL, NULL);
-
-  gtk_tree_view_set_rows_drag_source (GTK_TREE_VIEW (bottom_right_tree_view),
-                                      GDK_BUTTON1_MASK,
-                                      row_targets,
-                                      G_N_ELEMENTS (row_targets),
-                                      GDK_ACTION_MOVE,
-                                      NULL, NULL);
-  gtk_tree_view_set_rows_drag_dest (GTK_TREE_VIEW (bottom_right_tree_view),
-                                   row_targets,
-                                   G_N_ELEMENTS (row_targets),
-                                   GDK_ACTION_MOVE,
-                                   NULL, NULL);
-
-
-  gtk_box_pack_start (GTK_BOX (vbox), gtk_hseparator_new (), FALSE, FALSE, 0);
-
-  hbox = gtk_hbox_new (FALSE, 8);
+  gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (left_tree_view),
+                                         GDK_BUTTON1_MASK,
+                                         row_targets,
+                                         G_N_ELEMENTS (row_targets),
+                                         GDK_ACTION_MOVE);
+  gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (left_tree_view),
+                                       row_targets,
+                                       G_N_ELEMENTS (row_targets),
+                                       GDK_ACTION_MOVE);
+
+  gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (top_right_tree_view),
+                                         GDK_BUTTON1_MASK,
+                                         row_targets,
+                                         G_N_ELEMENTS (row_targets),
+                                         GDK_ACTION_MOVE);
+  gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (top_right_tree_view),
+                                       row_targets,
+                                       G_N_ELEMENTS (row_targets),
+                                       GDK_ACTION_MOVE);
+
+  gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (bottom_right_tree_view),
+                                         GDK_BUTTON1_MASK,
+                                         row_targets,
+                                         G_N_ELEMENTS (row_targets),
+                                         GDK_ACTION_MOVE);
+  gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (bottom_right_tree_view),
+                                       row_targets,
+                                       G_N_ELEMENTS (row_targets),
+                                       GDK_ACTION_MOVE);
+
+
+  gtk_box_pack_start (GTK_BOX (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL),
+                      FALSE, FALSE, 0);
+
+  hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 8);
   gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
   button = gtk_button_new_with_mnemonic ("_Add new Column");
-  gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (add_clicked), left_tree_model);
+  g_signal_connect (button, "clicked", G_CALLBACK (add_clicked), left_tree_model);
   gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
 
   gtk_widget_show_all (window);