 ed3f5a5db4
			
		
	
	ed3f5a5db4
	
	
	
		
			
			The class/object definitions have the wrong size, and we're not using G_DEFINE_TYPE. This fixes the test segfaulting when opening it.
		
			
				
	
	
		
			912 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			912 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* 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>
 | |
| 
 | |
| /*
 | |
|  * README README README README README README README README README README
 | |
|  * README README README README README README README README README README
 | |
|  * README README README README README README README README README README
 | |
|  * README README README README README README README README README README
 | |
|  * README README README README README README README README README README
 | |
|  * README README README README README README README README README README
 | |
|  * README README README README README README README README README README
 | |
|  * README README README README README README README README README README
 | |
|  * README README README README README README README README README README
 | |
|  * README README README README README README README README README README
 | |
|  * README README README README README README README README README README
 | |
|  * README README README README README README README README README README
 | |
|  * README README README README README README README README README README
 | |
|  *
 | |
|  * DO NOT!!! I REPEAT DO NOT!  EVER LOOK AT THIS CODE AS AN EXAMPLE OF WHAT YOUR
 | |
|  * CODE SHOULD LOOK LIKE.
 | |
|  *
 | |
|  * IT IS VERY CONFUSING, AND IS MEANT TO TEST A LOT OF CODE IN THE TREE.  WHILE
 | |
|  * IT IS ACTUALLY CORRECT CODE, IT IS NOT USEFUL.
 | |
|  */
 | |
| 
 | |
| GtkWidget *left_tree_view;
 | |
| GtkWidget *top_right_tree_view;
 | |
| GtkWidget *bottom_right_tree_view;
 | |
| GtkTreeModel *left_tree_model;
 | |
| GtkTreeModel *top_right_tree_model;
 | |
| GtkTreeModel *bottom_right_tree_model;
 | |
| GtkWidget *sample_tree_view_top;
 | |
| 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.  */
 | |
| 
 | |
| /* Small GtkTreeModel to model columns */
 | |
| typedef struct _ViewColumnModel ViewColumnModel;
 | |
| typedef struct _ViewColumnModelClass ViewColumnModelClass;
 | |
| 
 | |
| struct _ViewColumnModel
 | |
| {
 | |
|   GtkListStore parent;
 | |
|   GtkTreeView *view;
 | |
|   GList *columns;
 | |
|   gint stamp;
 | |
| };
 | |
| 
 | |
| struct _ViewColumnModelClass
 | |
| {
 | |
|   GtkListStoreClass parent_class;
 | |
| };
 | |
| 
 | |
| static void view_column_model_init (ViewColumnModel *model)
 | |
| {
 | |
|   model->stamp = g_random_int ();
 | |
| }
 | |
| 
 | |
| static gint
 | |
| view_column_model_get_n_columns (GtkTreeModel *tree_model)
 | |
| {
 | |
|   return 2;
 | |
| }
 | |
| 
 | |
| static GType
 | |
| view_column_model_get_column_type (GtkTreeModel *tree_model,
 | |
| 				   gint          index)
 | |
| {
 | |
|   switch (index)
 | |
|     {
 | |
|     case 0:
 | |
|       return G_TYPE_STRING;
 | |
|     case 1:
 | |
|       return GTK_TYPE_TREE_VIEW_COLUMN;
 | |
|     default:
 | |
|       return G_TYPE_INVALID;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| view_column_model_get_iter (GtkTreeModel *tree_model,
 | |
| 			    GtkTreeIter  *iter,
 | |
| 			    GtkTreePath  *path)
 | |
| 
 | |
| {
 | |
|   ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
 | |
|   GList *list;
 | |
|   gint i;
 | |
| 
 | |
|   g_return_val_if_fail (gtk_tree_path_get_depth (path) > 0, FALSE);
 | |
| 
 | |
|   i = gtk_tree_path_get_indices (path)[0];
 | |
|   list = g_list_nth (view_model->columns, i);
 | |
| 
 | |
|   if (list == NULL)
 | |
|     return FALSE;
 | |
| 
 | |
|   iter->stamp = view_model->stamp;
 | |
|   iter->user_data = list;
 | |
| 
 | |
|   return TRUE;
 | |
| }
 | |
| 
 | |
| static GtkTreePath *
 | |
| view_column_model_get_path (GtkTreeModel *tree_model,
 | |
| 			    GtkTreeIter  *iter)
 | |
| {
 | |
|   ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
 | |
|   GtkTreePath *retval;
 | |
|   GList *list;
 | |
|   gint i = 0;
 | |
| 
 | |
|   g_return_val_if_fail (iter->stamp == view_model->stamp, NULL);
 | |
| 
 | |
|   for (list = view_model->columns; list; list = list->next)
 | |
|     {
 | |
|       if (list == (GList *)iter->user_data)
 | |
| 	break;
 | |
|       i++;
 | |
|     }
 | |
|   if (list == NULL)
 | |
|     return NULL;
 | |
| 
 | |
|   retval = gtk_tree_path_new ();
 | |
|   gtk_tree_path_append_index (retval, i);
 | |
|   return retval;
 | |
| }
 | |
| 
 | |
| static void
 | |
| view_column_model_get_value (GtkTreeModel *tree_model,
 | |
| 			     GtkTreeIter  *iter,
 | |
| 			     gint          column,
 | |
| 			     GValue       *value)
 | |
| {
 | |
|   ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
 | |
| 
 | |
|   g_return_if_fail (column < 2);
 | |
|   g_return_if_fail (view_model->stamp == iter->stamp);
 | |
|   g_return_if_fail (iter->user_data != NULL);
 | |
| 
 | |
|   if (column == 0)
 | |
|     {
 | |
|       g_value_init (value, G_TYPE_STRING);
 | |
|       g_value_set_string (value, gtk_tree_view_column_get_title (GTK_TREE_VIEW_COLUMN (((GList *)iter->user_data)->data)));
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       g_value_init (value, GTK_TYPE_TREE_VIEW_COLUMN);
 | |
|       g_value_set_object (value, ((GList *)iter->user_data)->data);
 | |
|     }
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| view_column_model_iter_next (GtkTreeModel  *tree_model,
 | |
| 			     GtkTreeIter   *iter)
 | |
| {
 | |
|   ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
 | |
| 
 | |
|   g_return_val_if_fail (view_model->stamp == iter->stamp, FALSE);
 | |
|   g_return_val_if_fail (iter->user_data != NULL, FALSE);
 | |
| 
 | |
|   iter->user_data = ((GList *)iter->user_data)->next;
 | |
|   return iter->user_data != NULL;
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| view_column_model_iter_children (GtkTreeModel *tree_model,
 | |
| 				 GtkTreeIter  *iter,
 | |
| 				 GtkTreeIter  *parent)
 | |
| {
 | |
|   ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
 | |
| 
 | |
|   /* this is a list, nodes have no children */
 | |
|   if (parent)
 | |
|     return FALSE;
 | |
| 
 | |
|   /* but if parent == NULL we return the list itself as children of the
 | |
|    * "root"
 | |
|    */
 | |
| 
 | |
|   if (view_model->columns)
 | |
|     {
 | |
|       iter->stamp = view_model->stamp;
 | |
|       iter->user_data = view_model->columns;
 | |
|       return TRUE;
 | |
|     }
 | |
|   else
 | |
|     return FALSE;
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| view_column_model_iter_has_child (GtkTreeModel *tree_model,
 | |
| 				  GtkTreeIter  *iter)
 | |
| {
 | |
|   return FALSE;
 | |
| }
 | |
| 
 | |
| static gint
 | |
| view_column_model_iter_n_children (GtkTreeModel *tree_model,
 | |
| 				   GtkTreeIter  *iter)
 | |
| {
 | |
|   return g_list_length (((ViewColumnModel *)tree_model)->columns);
 | |
| }
 | |
| 
 | |
| static gint
 | |
| view_column_model_iter_nth_child (GtkTreeModel *tree_model,
 | |
|  				  GtkTreeIter  *iter,
 | |
| 				  GtkTreeIter  *parent,
 | |
| 				  gint          n)
 | |
| {
 | |
|   ViewColumnModel *view_model = (ViewColumnModel *)tree_model;
 | |
| 
 | |
|   if (parent)
 | |
|     return FALSE;
 | |
| 
 | |
|   iter->stamp = view_model->stamp;
 | |
|   iter->user_data = g_list_nth ((GList *)view_model->columns, n);
 | |
| 
 | |
|   return (iter->user_data != NULL);
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| view_column_model_iter_parent (GtkTreeModel *tree_model,
 | |
| 			       GtkTreeIter  *iter,
 | |
| 			       GtkTreeIter  *child)
 | |
| {
 | |
|   return FALSE;
 | |
| }
 | |
| 
 | |
| static void
 | |
| view_column_model_tree_model_init (GtkTreeModelIface *iface)
 | |
| {
 | |
|   iface->get_n_columns = view_column_model_get_n_columns;
 | |
|   iface->get_column_type = view_column_model_get_column_type;
 | |
|   iface->get_iter = view_column_model_get_iter;
 | |
|   iface->get_path = view_column_model_get_path;
 | |
|   iface->get_value = view_column_model_get_value;
 | |
|   iface->iter_next = view_column_model_iter_next;
 | |
|   iface->iter_children = view_column_model_iter_children;
 | |
|   iface->iter_has_child = view_column_model_iter_has_child;
 | |
|   iface->iter_n_children = view_column_model_iter_n_children;
 | |
|   iface->iter_nth_child = view_column_model_iter_nth_child;
 | |
|   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;
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| view_column_model_drag_data_delete (GtkTreeDragSource *drag_source,
 | |
| 				    GtkTreePath       *path)
 | |
| {
 | |
|   /* Nothing -- we handle moves on the dest side */
 | |
|   
 | |
|   return TRUE;
 | |
| }
 | |
| 
 | |
| 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))
 | |
|     {
 | |
|       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;
 | |
| }
 | |
| 
 | |
| 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)
 | |
| {
 | |
|   GList *old_columns = view_model->columns;
 | |
|   gint old_length, length;
 | |
|   GList *a, *b;
 | |
| 
 | |
|   view_model->columns = gtk_tree_view_get_columns (view_model->view);
 | |
| 
 | |
|   /* As the view tells us one change at a time, we can do this hack. */
 | |
|   length = g_list_length (view_model->columns);
 | |
|   old_length = g_list_length (old_columns);
 | |
|   if (length != old_length)
 | |
|     {
 | |
|       GtkTreePath *path;
 | |
|       gint i = 0;
 | |
| 
 | |
|       /* where are they different */
 | |
|       for (a = old_columns, b = view_model->columns; a && b; a = a->next, b = b->next)
 | |
| 	{
 | |
| 	  if (a->data != b->data)
 | |
| 	    break;
 | |
| 	  i++;
 | |
| 	}
 | |
|       path = gtk_tree_path_new ();
 | |
|       gtk_tree_path_append_index (path, i);
 | |
|       if (length < old_length)
 | |
| 	{
 | |
| 	  view_model->stamp++;
 | |
| 	  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_row_inserted (GTK_TREE_MODEL (view_model), path, &iter);
 | |
| 	}
 | |
|       gtk_tree_path_free (path);
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       gint i;
 | |
|       gint m = 0, n = 1;
 | |
|       gint *new_order;
 | |
|       GtkTreePath *path;
 | |
| 
 | |
|       new_order = g_new (int, length);
 | |
|       a = old_columns; b = view_model->columns;
 | |
| 
 | |
|       while (a->data == b->data)
 | |
| 	{
 | |
| 	  a = a->next;
 | |
| 	  b = b->next;
 | |
| 	  if (a == NULL)
 | |
| 	    return;
 | |
| 	  m++;
 | |
| 	}
 | |
| 
 | |
|       if (a->next->data == b->data)
 | |
| 	{
 | |
| 	  b = b->next;
 | |
| 	  while (b->data != a->data)
 | |
| 	    {
 | |
| 	      b = b->next;
 | |
| 	      n++;
 | |
| 	    }
 | |
| 	  for (i = 0; i < m; i++)
 | |
| 	    new_order[i] = i;
 | |
| 	  for (i = m; i < m+n; i++)
 | |
| 	    new_order[i] = i+1;
 | |
| 	  new_order[i] = m;
 | |
| 	  for (i = m + n +1; i < length; i++)
 | |
| 	    new_order[i] = i;
 | |
| 	}
 | |
|       else
 | |
| 	{
 | |
| 	  a = a->next;
 | |
| 	  while (a->data != b->data)
 | |
| 	    {
 | |
| 	      a = a->next;
 | |
| 	      n++;
 | |
| 	    }
 | |
| 	  for (i = 0; i < m; i++)
 | |
| 	    new_order[i] = i;
 | |
| 	  new_order[m] = m+n;
 | |
| 	  for (i = m+1; i < m + n+ 1; i++)
 | |
| 	    new_order[i] = i - 1;
 | |
| 	  for (i = m + n + 1; i < length; i++)
 | |
| 	    new_order[i] = i;
 | |
| 	}
 | |
| 
 | |
|       path = gtk_tree_path_new ();
 | |
|       gtk_tree_model_rows_reordered (GTK_TREE_MODEL (view_model),
 | |
| 				     path,
 | |
| 				     NULL,
 | |
| 				     new_order);
 | |
|       gtk_tree_path_free (path);
 | |
|       g_free (new_order);
 | |
|     }
 | |
|   if (old_columns)
 | |
|     g_list_free (old_columns);
 | |
| }
 | |
| 
 | |
| static GtkTreeModel *
 | |
| view_column_model_new (GtkTreeView *view)
 | |
| {
 | |
|   GtkTreeModel *retval;
 | |
| 
 | |
|   retval = g_object_new (view_column_model_get_type (), NULL);
 | |
|   ((ViewColumnModel *)retval)->view = view;
 | |
|   ((ViewColumnModel *)retval)->columns = gtk_tree_view_get_columns (view);
 | |
| 
 | |
|   g_signal_connect (view, "columns_changed", G_CALLBACK (update_columns), retval);
 | |
| 
 | |
|   return retval;
 | |
| }
 | |
| 
 | |
| /* Back to sanity.
 | |
|  */
 | |
| 
 | |
| static void
 | |
| add_clicked (GtkWidget *button, gpointer data)
 | |
| {
 | |
|   static gint i = 0;
 | |
| 
 | |
|   GtkTreeIter iter;
 | |
|   GtkTreeViewColumn *column;
 | |
|   GtkTreeSelection *selection;
 | |
|   GtkCellRenderer *cell;
 | |
|   gchar *label = g_strdup_printf ("Column %d", i);
 | |
| 
 | |
|   cell = gtk_cell_renderer_text_new ();
 | |
|   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_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++;
 | |
| 
 | |
|   selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view));
 | |
|   gtk_tree_selection_select_iter (selection, &iter);
 | |
| }
 | |
| 
 | |
| static void
 | |
| get_visible (GtkTreeViewColumn *tree_column,
 | |
| 	     GtkCellRenderer   *cell,
 | |
| 	     GtkTreeModel      *tree_model,
 | |
| 	     GtkTreeIter       *iter,
 | |
| 	     gpointer           data)
 | |
| {
 | |
|   GtkTreeViewColumn *column;
 | |
| 
 | |
|   gtk_tree_model_get (tree_model, iter, 1, &column, -1);
 | |
|   if (column)
 | |
|     {
 | |
|       gtk_cell_renderer_toggle_set_active (GTK_CELL_RENDERER_TOGGLE (cell),
 | |
| 					   gtk_tree_view_column_get_visible (column));
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
 | |
| set_visible (GtkCellRendererToggle *cell,
 | |
| 	     gchar                 *path_str,
 | |
| 	     gpointer               data)
 | |
| {
 | |
|   GtkTreeView *tree_view = (GtkTreeView *) data;
 | |
|   GtkTreeViewColumn *column;
 | |
|   GtkTreeModel *model;
 | |
|   GtkTreeIter iter;
 | |
|   GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
 | |
| 
 | |
|   model = gtk_tree_view_get_model (tree_view);
 | |
| 
 | |
|   gtk_tree_model_get_iter (model, &iter, path);
 | |
|   gtk_tree_model_get (model, &iter, 1, &column, -1);
 | |
| 
 | |
|   if (column)
 | |
|     {
 | |
|       gtk_tree_view_column_set_visible (column, ! gtk_tree_view_column_get_visible (column));
 | |
|       gtk_tree_model_row_changed (model, path, &iter);
 | |
|     }
 | |
|   gtk_tree_path_free (path);
 | |
| }
 | |
| 
 | |
| static void
 | |
| move_to_left (GtkTreeModel *src,
 | |
| 	      GtkTreeIter  *src_iter,
 | |
| 	      GtkTreeIter  *dest_iter)
 | |
| {
 | |
|   GtkTreeIter iter;
 | |
|   GtkTreeViewColumn *column;
 | |
|   GtkTreeSelection *selection;
 | |
|   gchar *label;
 | |
| 
 | |
|   gtk_tree_model_get (src, src_iter, 0, &label, 1, &column, -1);
 | |
| 
 | |
|   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);
 | |
| 
 | |
|   /*  gtk_list_store_remove (GTK_LIST_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (data))), &iter);*/
 | |
| 
 | |
|   /* Put it back on the left */
 | |
|   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;
 | |
| 
 | |
|   GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view));
 | |
| 
 | |
|   gtk_tree_selection_get_selected (selection, NULL, &iter);
 | |
| 
 | |
|   move_to_right (&iter, gtk_tree_view_get_model (GTK_TREE_VIEW (data)), NULL);
 | |
| }
 | |
| 
 | |
| static void
 | |
| selection_changed (GtkTreeSelection *selection, GtkWidget *button)
 | |
| {
 | |
|   if (gtk_tree_selection_get_selected (selection, NULL, NULL))
 | |
|     gtk_widget_set_sensitive (button, TRUE);
 | |
|   else
 | |
|     gtk_widget_set_sensitive (button, FALSE);
 | |
| }
 | |
| 
 | |
| static GtkTargetEntry row_targets[] = {
 | |
|   { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, 0}
 | |
| };
 | |
| 
 | |
| int
 | |
| main (int argc, char *argv[])
 | |
| {
 | |
|   GtkWidget *window;
 | |
|   GtkWidget *hbox, *vbox;
 | |
|   GtkWidget *vbox2, *bbox;
 | |
|   GtkWidget *button;
 | |
|   GtkTreeViewColumn *column;
 | |
|   GtkCellRenderer *cell;
 | |
|   GtkWidget *swindow;
 | |
|   GtkTreeModel *sample_model;
 | |
|   gint i;
 | |
| 
 | |
|   gtk_init (&argc, &argv);
 | |
| 
 | |
|   /* First initialize all the models for signal purposes */
 | |
|   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));
 | |
|   bottom_right_tree_model = (GtkTreeModel *) view_column_model_new (GTK_TREE_VIEW (sample_tree_view_bottom));
 | |
|   top_right_tree_view = gtk_tree_view_new_with_model (top_right_tree_model);
 | |
|   bottom_right_tree_view = gtk_tree_view_new_with_model (bottom_right_tree_model);
 | |
| 
 | |
|   for (i = 0; i < 10; i++)
 | |
|     {
 | |
|       GtkTreeIter iter;
 | |
|       gchar *string = g_strdup_printf ("%d", i);
 | |
|       gtk_list_store_append (GTK_LIST_STORE (sample_model), &iter);
 | |
|       gtk_list_store_set (GTK_LIST_STORE (sample_model), &iter, 0, string, -1);
 | |
|       g_free (string);
 | |
|     }
 | |
| 
 | |
|   /* 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);
 | |
|   gtk_container_add (GTK_CONTAINER (window), swindow);
 | |
|   gtk_container_add (GTK_CONTAINER (swindow), sample_tree_view_top);
 | |
|   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);
 | |
|   gtk_container_add (GTK_CONTAINER (window), swindow);
 | |
|   gtk_container_add (GTK_CONTAINER (swindow), sample_tree_view_bottom);
 | |
|   gtk_widget_show_all (window);
 | |
| 
 | |
|   /* 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_box_new (GTK_ORIENTATION_VERTICAL, 8);
 | |
|   gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
 | |
|   gtk_container_add (GTK_CONTAINER (window), vbox);
 | |
| 
 | |
|   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 8);
 | |
|   gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
 | |
| 
 | |
|   /* Left Pane */
 | |
|   cell = gtk_cell_renderer_text_new ();
 | |
| 
 | |
|   swindow = gtk_scrolled_window_new (NULL, NULL);
 | |
|   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 | |
|   left_tree_view = gtk_tree_view_new_with_model (left_tree_model);
 | |
|   gtk_container_add (GTK_CONTAINER (swindow), left_tree_view);
 | |
|   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 (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);
 | |
| 
 | |
|   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_box_new (GTK_ORIENTATION_VERTICAL, 8);
 | |
|   gtk_box_pack_start (GTK_BOX (hbox), vbox2, FALSE, FALSE, 0);
 | |
|   
 | |
|   bbox = gtk_button_box_new (GTK_ORIENTATION_VERTICAL);
 | |
|   gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_SPREAD);
 | |
|   gtk_box_pack_start (GTK_BOX (vbox2), bbox, TRUE, TRUE, 0);
 | |
| 
 | |
|   button = gtk_button_new_with_mnemonic ("<< (_Q)");
 | |
|   gtk_widget_set_sensitive (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_mnemonic (">> (_W)");
 | |
|   gtk_widget_set_sensitive (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_button_box_new (GTK_ORIENTATION_VERTICAL);
 | |
|   gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_SPREAD);
 | |
|   gtk_box_pack_start (GTK_BOX (vbox2), bbox, TRUE, TRUE, 0);
 | |
| 
 | |
|   button = gtk_button_new_with_mnemonic ("<< (_E)");
 | |
|   gtk_widget_set_sensitive (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_mnemonic (">> (_R)");
 | |
|   gtk_widget_set_sensitive (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_box_new (GTK_ORIENTATION_VERTICAL, 8);
 | |
|   gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 0);
 | |
| 
 | |
|   swindow = gtk_scrolled_window_new (NULL, NULL);
 | |
|   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 | |
|   gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (top_right_tree_view), FALSE);
 | |
|   cell = gtk_cell_renderer_text_new ();
 | |
|   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 (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);
 | |
| 
 | |
|   gtk_container_add (GTK_CONTAINER (swindow), top_right_tree_view);
 | |
|   gtk_box_pack_start (GTK_BOX (vbox2), swindow, TRUE, TRUE, 0);
 | |
| 
 | |
|   swindow = gtk_scrolled_window_new (NULL, NULL);
 | |
|   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 | |
|   gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (bottom_right_tree_view), FALSE);
 | |
|   cell = gtk_cell_renderer_text_new ();
 | |
|   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 (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);
 | |
|   gtk_container_add (GTK_CONTAINER (swindow), bottom_right_tree_view);
 | |
|   gtk_box_pack_start (GTK_BOX (vbox2), swindow, TRUE, TRUE, 0);
 | |
| 
 | |
|   
 | |
|   /* Drag and Drop */
 | |
|   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");
 | |
|   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);
 | |
|   gtk_main ();
 | |
| 
 | |
|   return 0;
 | |
| }
 |