indexing
	description: "."
	copyright: "[
					Copyright (C) 2006 Paolo Redaelli, GTK+ team
					
					This library is free software; you can redistribute it and/or
					modify it under the terms of the GNU Lesser General Public License
					as published by the Free Software Foundation; either version 2.1 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
					Lesser General Public License for more details.

					You should have received a copy of the GNU Lesser General Public
					License along with this library; if not, write to the Free Software
					Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
					02110-1301 USA
			]"

class TREE_STORE

creation make

feature  -- Creation
-- /* Tree View/Tree Store
--  *
--  * The GtkTreeStore is used to store data in tree form, to be
--  * used later on by a GtkTreeView to display it. This demo builds
--  * a simple GtkTreeStore and displays it. If you're new to the
--  * GtkTreeView widgets and associates, look into the GtkListStore
--  * example first.
--  *
--  */

-- #include <gtk/gtk.h>

-- static GtkWidget *window = NULL;

-- /* TreeItem structure */
-- typedef struct _TreeItem TreeItem;
-- struct _TreeItem
-- {
--   const gchar    *label;
--   gboolean        alex;
--   gboolean        havoc;
--   gboolean        tim;
--   gboolean        owen;
--   gboolean        dave;
--   gboolean        world_holiday; /* shared by the European hackers */
--   TreeItem       *children;
-- };

-- /* columns */
-- enum
-- {
--   HOLIDAY_NAME_COLUMN = 0,
--   ALEX_COLUMN,
--   HAVOC_COLUMN,
--   TIM_COLUMN,
--   OWEN_COLUMN,
--   DAVE_COLUMN,

--   VISIBLE_COLUMN,
--   WORLD_COLUMN,
--   NUM_COLUMNS
-- };

-- /* tree data */
-- static TreeItem january[] =
-- {
--   {"New Years Day", TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, NULL },
--   {"Presidential Inauguration", FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, NULL },
--   {"Martin Luther King Jr. day", FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, NULL },
--   { NULL }
-- };

-- static TreeItem february[] =
-- {
--   { "Presidents' Day", FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, NULL },
--   { "Groundhog Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Valentine's Day", FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, NULL },
--   { NULL }
-- };

-- static TreeItem march[] =
-- {
--   { "National Tree Planting Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "St Patrick's Day", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
--   { NULL }
-- };
-- static TreeItem april[] =
-- {
--   { "April Fools' Day", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
--   { "Army Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Earth Day", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
--   { "Administrative Professionals' Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { NULL }
-- };

-- static TreeItem may[] =
-- {
--   { "Nurses' Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "National Day of Prayer", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Mothers' Day", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
--   { "Armed Forces Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Memorial Day", TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, NULL },
--   { NULL }
-- };

-- static TreeItem june[] =
-- {
--   { "June Fathers' Day", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
--   { "Juneteenth (Liberation of Slaves)", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Flag Day", FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, NULL },
--   { NULL }
-- };

-- static TreeItem july[] =
-- {
--   { "Parents' Day", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
--   { "Independence Day", FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, NULL },
--   { NULL }
-- };

-- static TreeItem august[] =
-- {
--   { "Air Force Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Coast Guard Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Friendship Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { NULL }
-- };

-- static TreeItem september[] =
-- {
--   { "Grandparents' Day", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
--   { "Citizenship Day or Constitution Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Labor Day", TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, NULL },
--   { NULL }
-- };

-- static TreeItem october[] =
-- {
--   { "National Children's Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Bosses' Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Sweetest Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Mother-in-Law's Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Navy Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Columbus Day", FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, NULL },
--   { "Halloween", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
--   { NULL }
-- };

-- static TreeItem november[] =
-- {
--   { "Marine Corps Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Veterans' Day", TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, NULL },
--   { "Thanksgiving", FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, NULL },
--   { NULL }
-- };

-- static TreeItem december[] =
-- {
--   { "Pearl Harbor Remembrance Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { "Christmas", TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, NULL },
--   { "Kwanzaa", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
--   { NULL }
-- };


-- static TreeItem toplevel[] =
-- {
--   {"January", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, january},
--   {"February", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, february},
--   {"March", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, march},
--   {"April", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, april},
--   {"May", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, may},
--   {"June", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, june},
--   {"July", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, july},
--   {"August", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, august},
--   {"September", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, september},
--   {"October", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, october},
--   {"November", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, november},
--   {"December", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, december},
--   {NULL}
-- };


-- static GtkTreeModel *
-- create_model (void)
-- {
--   GtkTreeStore *model;
--   GtkTreeIter iter;
--   TreeItem *month = toplevel;

--   /* create tree store */
--   model = gtk_tree_store_new (NUM_COLUMNS,
-- 			      G_TYPE_STRING,
-- 			      G_TYPE_BOOLEAN,
-- 			      G_TYPE_BOOLEAN,
-- 			      G_TYPE_BOOLEAN,
-- 			      G_TYPE_BOOLEAN,
-- 			      G_TYPE_BOOLEAN,
-- 			      G_TYPE_BOOLEAN,
-- 			      G_TYPE_BOOLEAN);

--   /* add data to the tree store */
--   while (month->label)
--     {
--       TreeItem *holiday = month->children;

--       gtk_tree_store_append (model, &iter, NULL);
--       gtk_tree_store_set (model, &iter,
-- 			  HOLIDAY_NAME_COLUMN, month->label,
-- 			  ALEX_COLUMN, FALSE,
-- 			  HAVOC_COLUMN, FALSE,
-- 			  TIM_COLUMN, FALSE,
-- 			  OWEN_COLUMN, FALSE,
-- 			  DAVE_COLUMN, FALSE,
-- 			  VISIBLE_COLUMN, FALSE,
-- 			  WORLD_COLUMN, FALSE,
-- 			  -1);

--       /* add children */
--       while (holiday->label)
-- 	{
-- 	  GtkTreeIter child_iter;

-- 	  gtk_tree_store_append (model, &child_iter, &iter);
-- 	  gtk_tree_store_set (model, &child_iter,
-- 			      HOLIDAY_NAME_COLUMN, holiday->label,
-- 			      ALEX_COLUMN, holiday->alex,
-- 			      HAVOC_COLUMN, holiday->havoc,
-- 			      TIM_COLUMN, holiday->tim,
-- 			      OWEN_COLUMN, holiday->owen,
-- 			      DAVE_COLUMN, holiday->dave,
-- 			      VISIBLE_COLUMN, TRUE,
-- 			      WORLD_COLUMN, holiday->world_holiday,
-- 			      -1);

-- 	  holiday++;
-- 	}

--       month++;
--     }

--   return GTK_TREE_MODEL (model);
-- }

-- static void
-- item_toggled (GtkCellRendererToggle *cell,
-- 	      gchar                 *path_str,
-- 	      gpointer               data)
-- {
--   GtkTreeModel *model = (GtkTreeModel *)data;
--   GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
--   GtkTreeIter iter;
--   gboolean toggle_item;

--   gint *column;

--   column = g_object_get_data (G_OBJECT (cell), "column");

--   /* get toggled iter */
--   gtk_tree_model_get_iter (model, &iter, path);
--   gtk_tree_model_get (model, &iter, column, &toggle_item, -1);

--   /* do something with the value */
--   toggle_item ^= 1;

--   /* set new value */
--   gtk_tree_store_set (GTK_TREE_STORE (model), &iter, column,
-- 		      toggle_item, -1);

--   /* clean up */
--   gtk_tree_path_free (path);
-- }

-- static void
-- add_columns (GtkTreeView *treeview)
-- {
--   gint col_offset;
--   GtkCellRenderer *renderer;
--   GtkTreeViewColumn *column;
--   GtkTreeModel *model = gtk_tree_view_get_model (treeview);

--   /* column for holiday names */
--   renderer = gtk_cell_renderer_text_new ();
--   g_object_set (renderer, "xalign", 0.0, NULL);

--   col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
-- 							    -1, "Holiday",
-- 							    renderer, "text",
-- 							    HOLIDAY_NAME_COLUMN,
-- 							    NULL);
--   column = gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
--   gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);

--   /* alex column */
--   renderer = gtk_cell_renderer_toggle_new ();
--   g_object_set (renderer, "xalign", 0.0, NULL);
--   g_object_set_data (G_OBJECT (renderer), "column", (gint *)ALEX_COLUMN);

--   g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);

--   col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
-- 							    -1, "Alex",
-- 							    renderer,
-- 							    "active",
-- 							    ALEX_COLUMN,
-- 							    "visible",
-- 							    VISIBLE_COLUMN,
-- 							    "activatable",
-- 							    WORLD_COLUMN, NULL);

--   column = gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
--   gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
-- 				   GTK_TREE_VIEW_COLUMN_FIXED);
--   gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 50);
--   gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);

--   /* havoc column */
--   renderer = gtk_cell_renderer_toggle_new ();
--   g_object_set (renderer, "xalign", 0.0, NULL);
--   g_object_set_data (G_OBJECT (renderer), "column", (gint *)HAVOC_COLUMN);

--   g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);

--   col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
-- 							    -1, "Havoc",
-- 							    renderer,
-- 							    "active",
-- 							    HAVOC_COLUMN,
-- 							    "visible",
-- 							    VISIBLE_COLUMN,
-- 							    NULL);

--   column = gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
--   gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
-- 				   GTK_TREE_VIEW_COLUMN_FIXED);
--   gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 50);
--   gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);

--   /* tim column */
--   renderer = gtk_cell_renderer_toggle_new ();
--   g_object_set (renderer, "xalign", 0.0, NULL);
--   g_object_set_data (G_OBJECT (renderer), "column", (gint *)TIM_COLUMN);

--   g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);

--   col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
-- 							    -1, "Tim",
-- 							    renderer,
-- 							    "active",
-- 							    TIM_COLUMN,
-- 							    "visible",
-- 							    VISIBLE_COLUMN,
-- 							    "activatable",
-- 							    WORLD_COLUMN, NULL);

--   column = gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
--   gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
-- 				   GTK_TREE_VIEW_COLUMN_FIXED);
--   gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 50);
--   gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);

--   /* owen column */
--   renderer = gtk_cell_renderer_toggle_new ();
--   g_object_set (renderer, "xalign", 0.0, NULL);
--   g_object_set_data (G_OBJECT (renderer), "column", (gint *)OWEN_COLUMN);

--   g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);

--   col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
-- 							    -1, "Owen",
-- 							    renderer,
-- 							    "active",
-- 							    OWEN_COLUMN,
-- 							    "visible",
-- 							    VISIBLE_COLUMN,
-- 							    NULL);

--   column = gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
--   gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
-- 				   GTK_TREE_VIEW_COLUMN_FIXED);
--   gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 50);
--   gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);

--   /* dave column */
--   renderer = gtk_cell_renderer_toggle_new ();
--   g_object_set (renderer, "xalign", 0.0, NULL);
--   g_object_set_data (G_OBJECT (renderer), "column", (gint *)DAVE_COLUMN);

--   g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);

--   col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
-- 							    -1, "Dave",
-- 							    renderer,
-- 							    "active",
-- 							    DAVE_COLUMN,
-- 							    "visible",
-- 							    VISIBLE_COLUMN,
-- 							    NULL);

--   column = gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
--   gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
-- 				   GTK_TREE_VIEW_COLUMN_FIXED);
--   gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 50);
--   gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
-- }

-- GtkWidget *
-- do_tree_store (GtkWidget *do_widget)
-- {
--   if (!window)
--     {
--       GtkWidget *vbox;
--       GtkWidget *sw;
--       GtkWidget *treeview;
--       GtkTreeModel *model;

--       /* create window, etc */
--       window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
--       gtk_window_set_screen (GTK_WINDOW (window),
-- 			     gtk_widget_get_screen (do_widget));
--       gtk_window_set_title (GTK_WINDOW (window), "Card planning sheet");
--       g_signal_connect (window, "destroy",
-- 			G_CALLBACK (gtk_widget_destroyed), &window);

--       vbox = gtk_vbox_new (FALSE, 8);
--       gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
--       gtk_container_add (GTK_CONTAINER (window), vbox);

--       gtk_box_pack_start (GTK_BOX (vbox),
-- 			  gtk_label_new ("Jonathan's Holiday Card Planning Sheet"),
-- 			  FALSE, FALSE, 0);

--       sw = gtk_scrolled_window_new (NULL, NULL);
--       gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
-- 					   GTK_SHADOW_ETCHED_IN);
--       gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
-- 				      GTK_POLICY_AUTOMATIC,
-- 				      GTK_POLICY_AUTOMATIC);
--       gtk_box_pack_start (GTK_BOX (vbox), sw, TRUE, TRUE, 0);

--       /* create model */
--       model = create_model ();

--       /* create tree view */
--       treeview = gtk_tree_view_new_with_model (model);
--       g_object_unref (model);
--       gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (treeview), TRUE);
--       gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview)),
-- 				   GTK_SELECTION_MULTIPLE);

--       add_columns (GTK_TREE_VIEW (treeview));

--       gtk_container_add (GTK_CONTAINER (sw), treeview);

--       /* expand all rows after the treeview widget has been realized */
--       g_signal_connect (treeview, "realize",
-- 			G_CALLBACK (gtk_tree_view_expand_all), NULL);
--       gtk_window_set_default_size (GTK_WINDOW (window), 650, 400);
--     }

--   if (!GTK_WIDGET_VISIBLE (window))
--     gtk_widget_show_all (window);
--   else
--     {
--       gtk_widget_destroy (window);
--       window = NULL;
--     }

--   return window;
-- }
end