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18 * DO NOT!!! I REPEAT DO NOT! EVER LOOK AT THIS CODE AS AN EXAMPLE OF WHAT YOUR
19 * CODE SHOULD LOOK LIKE.
21 * IT IS VERY CONFUSING, AND IS MEANT TO TEST A LOT OF CODE IN THE TREE. WHILE
22 * IT IS ACTUALLY CORRECT CODE, IT IS NOT USEFUL.
25 GtkWidget *left_tree_view;
26 GtkWidget *top_right_tree_view;
27 GtkWidget *bottom_right_tree_view;
28 GtkTreeModel *left_tree_model;
29 GtkTreeModel *top_right_tree_model;
30 GtkTreeModel *bottom_right_tree_model;
31 GtkWidget *sample_tree_view_top;
32 GtkWidget *sample_tree_view_bottom;
34 #define column_data "my_column_data"
36 static void move_row (GtkTreeModel *src,
37 GtkTreeIter *src_iter,
39 GtkTreeIter *dest_iter);
41 /* Kids, don't try this at home. */
43 /* Small GtkTreeModel to model columns */
44 typedef struct _ViewColumnModel ViewColumnModel;
45 typedef struct _ViewColumnModelClass ViewColumnModelClass;
47 struct _ViewColumnModel
55 struct _ViewColumnModelClass
57 GObjectClass parent_class;
60 static void view_column_model_init (ViewColumnModel *model)
62 model->stamp = g_random_int ();
66 view_column_model_get_n_columns (GtkTreeModel *tree_model)
72 view_column_model_get_column_type (GtkTreeModel *tree_model,
80 return GTK_TYPE_TREE_VIEW_COLUMN;
82 return G_TYPE_INVALID;
87 view_column_model_get_iter (GtkTreeModel *tree_model,
92 ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
96 g_return_val_if_fail (gtk_tree_path_get_depth (path) > 0, FALSE);
98 i = gtk_tree_path_get_indices (path)[0];
99 list = g_list_nth (view_model->columns, i);
104 iter->stamp = view_model->stamp;
105 iter->user_data = list;
111 view_column_model_get_path (GtkTreeModel *tree_model,
114 ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
119 g_return_val_if_fail (iter->stamp == view_model->stamp, NULL);
121 for (list = view_model->columns; list; list = list->next)
123 if (list == (GList *)iter->user_data)
130 retval = gtk_tree_path_new ();
131 gtk_tree_path_append_index (retval, i);
136 view_column_model_get_value (GtkTreeModel *tree_model,
141 ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
143 g_return_if_fail (column < 2);
144 g_return_if_fail (view_model->stamp == iter->stamp);
145 g_return_if_fail (iter->user_data != NULL);
149 g_value_init (value, G_TYPE_STRING);
150 g_value_set_string (value, gtk_tree_view_column_get_title (GTK_TREE_VIEW_COLUMN (((GList *)iter->user_data)->data)));
154 g_value_init (value, GTK_TYPE_TREE_VIEW_COLUMN);
155 g_value_set_object (value, ((GList *)iter->user_data)->data);
160 view_column_model_iter_next (GtkTreeModel *tree_model,
163 ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
165 g_return_val_if_fail (view_model->stamp == iter->stamp, FALSE);
166 g_return_val_if_fail (iter->user_data != NULL, FALSE);
168 iter->user_data = ((GList *)iter->user_data)->next;
169 return iter->user_data != NULL;
173 view_column_model_iter_children (GtkTreeModel *tree_model,
177 ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
179 /* this is a list, nodes have no children */
183 /* but if parent == NULL we return the list itself as children of the
187 if (view_model->columns)
189 iter->stamp = view_model->stamp;
190 iter->user_data = view_model->columns;
198 view_column_model_iter_has_child (GtkTreeModel *tree_model,
205 view_column_model_iter_n_children (GtkTreeModel *tree_model,
208 return g_list_length (((ViewColumnModel *)tree_model)->columns);
212 view_column_model_iter_nth_child (GtkTreeModel *tree_model,
217 ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
222 iter->stamp = view_model->stamp;
223 iter->user_data = g_list_nth ((GList *)view_model->columns, n);
225 return (iter->user_data != NULL);
229 view_column_model_iter_parent (GtkTreeModel *tree_model,
237 view_column_model_tree_model_init (GtkTreeModelIface *iface)
239 iface->get_n_columns = view_column_model_get_n_columns;
240 iface->get_column_type = view_column_model_get_column_type;
241 iface->get_iter = view_column_model_get_iter;
242 iface->get_path = view_column_model_get_path;
243 iface->get_value = view_column_model_get_value;
244 iface->iter_next = view_column_model_iter_next;
245 iface->iter_children = view_column_model_iter_children;
246 iface->iter_has_child = view_column_model_iter_has_child;
247 iface->iter_n_children = view_column_model_iter_n_children;
248 iface->iter_nth_child = view_column_model_iter_nth_child;
249 iface->iter_parent = view_column_model_iter_parent;
253 view_column_model_drag_data_get (GtkTreeDragSource *drag_source,
255 GtkSelectionData *selection_data)
257 if (gtk_tree_set_row_drag_data (selection_data,
258 GTK_TREE_MODEL (drag_source),
266 view_column_model_drag_data_delete (GtkTreeDragSource *drag_source,
269 /* Nothing -- we handle moves on the dest side */
275 view_column_model_row_drop_possible (GtkTreeDragDest *drag_dest,
276 GtkTreePath *dest_path,
277 GtkSelectionData *selection_data)
279 GtkTreeModel *src_model;
281 if (gtk_tree_get_row_drag_data (selection_data,
285 if (src_model == left_tree_model ||
286 src_model == top_right_tree_model ||
287 src_model == bottom_right_tree_model)
295 view_column_model_drag_data_received (GtkTreeDragDest *drag_dest,
297 GtkSelectionData *selection_data)
299 GtkTreeModel *src_model;
300 GtkTreePath *src_path = NULL;
301 gboolean retval = FALSE;
303 if (gtk_tree_get_row_drag_data (selection_data,
307 GtkTreeIter src_iter;
308 GtkTreeIter dest_iter;
311 /* We are a little lazy here, and assume if we can't convert dest
312 * to an iter, we need to append. See gtkliststore.c for a more
313 * careful handling of this.
315 have_dest = gtk_tree_model_get_iter (GTK_TREE_MODEL (drag_dest), &dest_iter, dest);
317 if (gtk_tree_model_get_iter (src_model, &src_iter, src_path))
319 if (src_model == left_tree_model ||
320 src_model == top_right_tree_model ||
321 src_model == bottom_right_tree_model)
323 move_row (src_model, &src_iter, GTK_TREE_MODEL (drag_dest),
324 have_dest ? &dest_iter : NULL);
329 gtk_tree_path_free (src_path);
336 view_column_model_drag_source_init (GtkTreeDragSourceIface *iface)
338 iface->drag_data_get = view_column_model_drag_data_get;
339 iface->drag_data_delete = view_column_model_drag_data_delete;
343 view_column_model_drag_dest_init (GtkTreeDragDestIface *iface)
345 iface->drag_data_received = view_column_model_drag_data_received;
346 iface->row_drop_possible = view_column_model_row_drop_possible;
350 view_column_model_get_type (void)
352 static GType view_column_model_type = 0;
354 if (!view_column_model_type)
356 static const GTypeInfo view_column_model_info =
358 sizeof (GtkListStoreClass),
359 NULL, /* base_init */
360 NULL, /* base_finalize */
361 NULL, /* class_init */
362 NULL, /* class_finalize */
363 NULL, /* class_data */
364 sizeof (GtkListStore),
366 (GInstanceInitFunc) view_column_model_init,
369 static const GInterfaceInfo tree_model_info =
371 (GInterfaceInitFunc) view_column_model_tree_model_init,
376 static const GInterfaceInfo drag_source_info =
378 (GInterfaceInitFunc) view_column_model_drag_source_init,
383 static const GInterfaceInfo drag_dest_info =
385 (GInterfaceInitFunc) view_column_model_drag_dest_init,
390 view_column_model_type = g_type_register_static (G_TYPE_OBJECT, "ViewModelColumn", &view_column_model_info, 0);
391 g_type_add_interface_static (view_column_model_type,
394 g_type_add_interface_static (view_column_model_type,
395 GTK_TYPE_TREE_DRAG_SOURCE,
397 g_type_add_interface_static (view_column_model_type,
398 GTK_TYPE_TREE_DRAG_DEST,
402 return view_column_model_type;
406 update_columns (GtkTreeView *view, ViewColumnModel *view_model)
408 GList *old_columns = view_model->columns;
409 gint old_length, length;
412 view_model->columns = gtk_tree_view_get_columns (view_model->view);
414 /* As the view tells us one change at a time, we can do this hack. */
415 length = g_list_length (view_model->columns);
416 old_length = g_list_length (old_columns);
417 if (length != old_length)
422 /* where are they different */
423 for (a = old_columns, b = view_model->columns; a && b; a = a->next, b = b->next)
425 if (a->data != b->data)
429 path = gtk_tree_path_new ();
430 gtk_tree_path_append_index (path, i);
431 if (length < old_length)
434 gtk_tree_model_row_deleted (GTK_TREE_MODEL (view_model), path);
439 iter.stamp = view_model->stamp;
441 gtk_tree_model_row_inserted (GTK_TREE_MODEL (view_model), path, &iter);
443 gtk_tree_path_free (path);
452 new_order = g_new (int, length);
453 a = old_columns; b = view_model->columns;
455 while (a->data == b->data)
464 if (a->next->data == b->data)
467 while (b->data != a->data)
472 for (i = 0; i < m; i++)
474 for (i = m; i < m+n; i++)
477 for (i = m + n +1; i < length; i++)
483 while (a->data != b->data)
488 for (i = 0; i < m; i++)
491 for (i = m+1; i < m + n+ 1; i++)
492 new_order[i] = i - 1;
493 for (i = m + n + 1; i < length; i++)
497 path = gtk_tree_path_new ();
498 gtk_tree_model_rows_reordered (GTK_TREE_MODEL (view_model),
502 gtk_tree_path_free (path);
506 g_list_free (old_columns);
509 static GtkTreeModel *
510 view_column_model_new (GtkTreeView *view)
512 GtkTreeModel *retval;
514 retval = GTK_TREE_MODEL (g_object_new (view_column_model_get_type (), NULL));
515 ((ViewColumnModel *)retval)->view = view;
516 ((ViewColumnModel *)retval)->columns = gtk_tree_view_get_columns (view);
518 gtk_signal_connect (GTK_OBJECT (view), "columns_changed", GTK_SIGNAL_FUNC (update_columns), retval);
527 add_clicked (GtkWidget *button, gpointer data)
532 GtkTreeViewColumn *column;
533 GtkTreeSelection *selection;
534 GtkCellRenderer *cell;
535 gchar *label = g_strdup_printf ("Column %d", i);
537 cell = gtk_cell_renderer_text_new ();
538 column = gtk_tree_view_column_new_with_attributes (label, cell, "text", 0, NULL);
539 g_object_set_data_full (G_OBJECT (column), column_data, label, g_free);
540 gtk_tree_view_column_set_reorderable (column, TRUE);
541 gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_RESIZABLE);
542 gtk_list_store_append (GTK_LIST_STORE (left_tree_model), &iter);
543 gtk_list_store_set (GTK_LIST_STORE (left_tree_model), &iter, 0, label, 1, column, -1);
546 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view));
547 gtk_tree_selection_select_iter (selection, &iter);
551 get_visible (GtkTreeViewColumn *tree_column,
552 GtkCellRenderer *cell,
553 GtkTreeModel *tree_model,
557 GtkTreeViewColumn *column;
559 gtk_tree_model_get (tree_model, iter, 1, &column, -1);
562 gtk_cell_renderer_toggle_set_active (GTK_CELL_RENDERER_TOGGLE (cell),
563 gtk_tree_view_column_get_visible (column));
568 set_visible (GtkCellRendererToggle *cell,
572 GtkTreeView *tree_view = (GtkTreeView *) data;
573 GtkTreeViewColumn *column;
576 GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
578 model = gtk_tree_view_get_model (tree_view);
580 gtk_tree_model_get_iter (model, &iter, path);
581 gtk_tree_model_get (model, &iter, 1, &column, -1);
585 gtk_tree_view_column_set_visible (column, ! gtk_tree_view_column_get_visible (column));
586 gtk_tree_model_row_changed (model, path, &iter);
588 gtk_tree_path_free (path);
592 move_to_left (GtkTreeModel *src,
593 GtkTreeIter *src_iter,
594 GtkTreeIter *dest_iter)
597 GtkTreeViewColumn *column;
598 GtkTreeSelection *selection;
601 gtk_tree_model_get (src, src_iter, 0, &label, 1, &column, -1);
603 if (src == top_right_tree_model)
604 gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_top), column);
606 gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_bottom), column);
608 /* gtk_list_store_remove (GTK_LIST_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (data))), &iter);*/
610 /* Put it back on the left */
612 gtk_list_store_insert_before (GTK_LIST_STORE (left_tree_model),
615 gtk_list_store_append (GTK_LIST_STORE (left_tree_model), &iter);
617 gtk_list_store_set (GTK_LIST_STORE (left_tree_model), &iter, 0, label, 1, column, -1);
618 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view));
619 gtk_tree_selection_select_iter (selection, &iter);
625 move_to_right (GtkTreeIter *src_iter,
627 GtkTreeIter *dest_iter)
630 GtkTreeViewColumn *column;
633 gtk_tree_model_get (GTK_TREE_MODEL (left_tree_model),
634 src_iter, 0, &label, 1, &column, -1);
635 gtk_list_store_remove (GTK_LIST_STORE (left_tree_model), src_iter);
639 GtkTreePath *path = gtk_tree_model_get_path (dest, dest_iter);
640 before = (gtk_tree_path_get_indices (path))[0];
641 gtk_tree_path_free (path);
644 if (dest == top_right_tree_model)
645 gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_top), column, before);
647 gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_bottom), column, before);
653 move_up_or_down (GtkTreeModel *src,
654 GtkTreeIter *src_iter,
656 GtkTreeIter *dest_iter)
658 GtkTreeViewColumn *column;
662 gtk_tree_model_get (src, src_iter, 0, &label, 1, &column, -1);
666 GtkTreePath *path = gtk_tree_model_get_path (dest, dest_iter);
667 before = (gtk_tree_path_get_indices (path))[0];
668 gtk_tree_path_free (path);
671 if (src == top_right_tree_model)
672 gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_top), column);
674 gtk_tree_view_remove_column (GTK_TREE_VIEW (sample_tree_view_bottom), column);
676 if (dest == top_right_tree_model)
677 gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_top), column, before);
679 gtk_tree_view_insert_column (GTK_TREE_VIEW (sample_tree_view_bottom), column, before);
685 move_row (GtkTreeModel *src,
686 GtkTreeIter *src_iter,
688 GtkTreeIter *dest_iter)
690 if (src == left_tree_model)
691 move_to_right (src_iter, dest, dest_iter);
692 else if (dest == left_tree_model)
693 move_to_left (src, src_iter, dest_iter);
695 move_up_or_down (src, src_iter, dest, dest_iter);
699 add_left_clicked (GtkWidget *button,
704 GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (data));
706 gtk_tree_selection_get_selected (selection, NULL, &iter);
708 move_to_left (gtk_tree_view_get_model (GTK_TREE_VIEW (data)), &iter, NULL);
712 add_right_clicked (GtkWidget *button, gpointer data)
716 GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view));
718 gtk_tree_selection_get_selected (selection, NULL, &iter);
720 move_to_right (&iter, gtk_tree_view_get_model (GTK_TREE_VIEW (data)), NULL);
724 selection_changed (GtkTreeSelection *selection, GtkWidget *button)
726 if (gtk_tree_selection_get_selected (selection, NULL, NULL))
727 gtk_widget_set_sensitive (button, TRUE);
729 gtk_widget_set_sensitive (button, FALSE);
732 static GtkTargetEntry row_targets[] = {
733 { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, 0}
737 main (int argc, char *argv[])
740 GtkWidget *hbox, *vbox;
741 GtkWidget *vbox2, *bbox;
743 GtkTreeViewColumn *column;
744 GtkCellRenderer *cell;
746 GtkTreeModel *sample_model;
749 gtk_init (&argc, &argv);
751 /* First initialize all the models for signal purposes */
752 left_tree_model = (GtkTreeModel *) gtk_list_store_new (2, G_TYPE_STRING, GTK_TYPE_POINTER);
753 sample_model = (GtkTreeModel *) gtk_list_store_new (1, G_TYPE_STRING);
754 sample_tree_view_top = gtk_tree_view_new_with_model (sample_model);
755 sample_tree_view_bottom = gtk_tree_view_new_with_model (sample_model);
756 top_right_tree_model = (GtkTreeModel *) view_column_model_new (GTK_TREE_VIEW (sample_tree_view_top));
757 bottom_right_tree_model = (GtkTreeModel *) view_column_model_new (GTK_TREE_VIEW (sample_tree_view_bottom));
758 top_right_tree_view = gtk_tree_view_new_with_model (top_right_tree_model);
759 bottom_right_tree_view = gtk_tree_view_new_with_model (bottom_right_tree_model);
761 for (i = 0; i < 10; i++)
764 gchar *string = g_strdup_printf ("%d", i);
765 gtk_list_store_append (GTK_LIST_STORE (sample_model), &iter);
766 gtk_list_store_set (GTK_LIST_STORE (sample_model), &iter, 0, string, -1);
770 /* Set up the test windows. */
771 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
772 gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
773 gtk_window_set_title (GTK_WINDOW (window), "Top Window");
774 swindow = gtk_scrolled_window_new (NULL, NULL);
775 gtk_container_add (GTK_CONTAINER (window), swindow);
776 gtk_container_add (GTK_CONTAINER (swindow), sample_tree_view_top);
777 gtk_widget_show_all (window);
779 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
780 gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
781 gtk_window_set_title (GTK_WINDOW (window), "Bottom Window");
782 swindow = gtk_scrolled_window_new (NULL, NULL);
783 gtk_container_add (GTK_CONTAINER (window), swindow);
784 gtk_container_add (GTK_CONTAINER (swindow), sample_tree_view_bottom);
785 gtk_widget_show_all (window);
787 /* Set up the main window */
788 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
789 gtk_window_set_default_size (GTK_WINDOW (window), 500, 300);
790 vbox = gtk_vbox_new (FALSE, 8);
791 gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
792 gtk_container_add (GTK_CONTAINER (window), vbox);
794 hbox = gtk_hbox_new (FALSE, 8);
795 gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
798 cell = gtk_cell_renderer_text_new ();
800 swindow = gtk_scrolled_window_new (NULL, NULL);
801 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
802 left_tree_view = gtk_tree_view_new_with_model (left_tree_model);
803 gtk_container_add (GTK_CONTAINER (swindow), left_tree_view);
804 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (left_tree_view), -1,
805 "Unattached Columns", cell, "text", 0, NULL);
806 cell = gtk_cell_renderer_toggle_new ();
807 g_signal_connect (G_OBJECT (cell), "toggled", (GCallback) set_visible, left_tree_view);
808 column = gtk_tree_view_column_new_with_attributes ("Visible", cell, NULL);
809 gtk_tree_view_append_column (GTK_TREE_VIEW (left_tree_view), column);
811 gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
812 gtk_box_pack_start (GTK_BOX (hbox), swindow, TRUE, TRUE, 0);
815 vbox2 = gtk_vbox_new (FALSE, 8);
816 gtk_box_pack_start (GTK_BOX (hbox), vbox2, FALSE, FALSE, 0);
818 bbox = gtk_vbutton_box_new ();
819 gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_SPREAD);
820 gtk_button_box_set_child_size (GTK_BUTTON_BOX (bbox), 0, 0);
821 gtk_box_pack_start (GTK_BOX (vbox2), bbox, TRUE, TRUE, 0);
823 button = gtk_button_new_with_mnemonic ("<< (_Q)");
824 gtk_widget_set_sensitive (button, FALSE);
825 gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (add_left_clicked), top_right_tree_view);
826 g_signal_connect (G_OBJECT (gtk_tree_view_get_selection (GTK_TREE_VIEW (top_right_tree_view))),
827 "changed", GTK_SIGNAL_FUNC (selection_changed), button);
828 gtk_box_pack_start (GTK_BOX (bbox), button, FALSE, FALSE, 0);
830 button = gtk_button_new_with_mnemonic (">> (_W)");
831 gtk_widget_set_sensitive (button, FALSE);
832 gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (add_right_clicked), top_right_tree_view);
833 g_signal_connect (G_OBJECT (gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view))),
834 "changed", GTK_SIGNAL_FUNC (selection_changed), button);
835 gtk_box_pack_start (GTK_BOX (bbox), button, FALSE, FALSE, 0);
837 bbox = gtk_vbutton_box_new ();
838 gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_SPREAD);
839 gtk_button_box_set_child_size (GTK_BUTTON_BOX (bbox), 0, 0);
840 gtk_box_pack_start (GTK_BOX (vbox2), bbox, TRUE, TRUE, 0);
842 button = gtk_button_new_with_mnemonic ("<< (_E)");
843 gtk_widget_set_sensitive (button, FALSE);
844 gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (add_left_clicked), bottom_right_tree_view);
845 g_signal_connect (G_OBJECT (gtk_tree_view_get_selection (GTK_TREE_VIEW (bottom_right_tree_view))),
846 "changed", GTK_SIGNAL_FUNC (selection_changed), button);
847 gtk_box_pack_start (GTK_BOX (bbox), button, FALSE, FALSE, 0);
849 button = gtk_button_new_with_mnemonic (">> (_R)");
850 gtk_widget_set_sensitive (button, FALSE);
851 gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (add_right_clicked), bottom_right_tree_view);
852 g_signal_connect (G_OBJECT (gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view))),
853 "changed", GTK_SIGNAL_FUNC (selection_changed), button);
854 gtk_box_pack_start (GTK_BOX (bbox), button, FALSE, FALSE, 0);
858 vbox2 = gtk_vbox_new (FALSE, 8);
859 gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 0);
861 swindow = gtk_scrolled_window_new (NULL, NULL);
862 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
863 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (top_right_tree_view), FALSE);
864 cell = gtk_cell_renderer_text_new ();
865 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (top_right_tree_view), -1,
866 NULL, cell, "text", 0, NULL);
867 cell = gtk_cell_renderer_toggle_new ();
868 g_signal_connect (G_OBJECT (cell), "toggled", (GCallback) set_visible, top_right_tree_view);
869 column = gtk_tree_view_column_new_with_attributes (NULL, cell, NULL);
870 gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
871 gtk_tree_view_append_column (GTK_TREE_VIEW (top_right_tree_view), column);
873 gtk_container_add (GTK_CONTAINER (swindow), top_right_tree_view);
874 gtk_box_pack_start (GTK_BOX (vbox2), swindow, TRUE, TRUE, 0);
876 swindow = gtk_scrolled_window_new (NULL, NULL);
877 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
878 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (bottom_right_tree_view), FALSE);
879 cell = gtk_cell_renderer_text_new ();
880 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (bottom_right_tree_view), -1,
881 NULL, cell, "text", 0, NULL);
882 cell = gtk_cell_renderer_toggle_new ();
883 g_signal_connect (G_OBJECT (cell), "toggled", (GCallback) set_visible, bottom_right_tree_view);
884 column = gtk_tree_view_column_new_with_attributes (NULL, cell, NULL);
885 gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
886 gtk_tree_view_append_column (GTK_TREE_VIEW (bottom_right_tree_view), column);
887 gtk_container_add (GTK_CONTAINER (swindow), bottom_right_tree_view);
888 gtk_box_pack_start (GTK_BOX (vbox2), swindow, TRUE, TRUE, 0);
892 gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (left_tree_view),
895 G_N_ELEMENTS (row_targets),
897 gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (left_tree_view),
899 G_N_ELEMENTS (row_targets),
902 gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (top_right_tree_view),
905 G_N_ELEMENTS (row_targets),
907 gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (top_right_tree_view),
909 G_N_ELEMENTS (row_targets),
912 gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (bottom_right_tree_view),
915 G_N_ELEMENTS (row_targets),
917 gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (bottom_right_tree_view),
919 G_N_ELEMENTS (row_targets),
923 gtk_box_pack_start (GTK_BOX (vbox), gtk_hseparator_new (), FALSE, FALSE, 0);
925 hbox = gtk_hbox_new (FALSE, 8);
926 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
927 button = gtk_button_new_with_mnemonic ("_Add new Column");
928 gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (add_clicked), left_tree_model);
929 gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
931 gtk_widget_show_all (window);