+/* PSPPIRE - a graphical user interface for PSPP.
+ Copyright (C) 2007, 2012, 2013 Free Software Foundation
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+
+/*
+ This module provides a subclass of GtkTreeView, designed for dialogs
+ which need lists of annotated checkbox items.
+ The object contains the necessary model and renderers, which means that
+ the user does not have to create these herself.
+ */
+
+#include <config.h>
+#include <gtk/gtk.h>
+
+#include "psppire-checkbox-treeview.h"
+
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
+
+static void psppire_checkbox_treeview_init (PsppireCheckboxTreeview *cbtv);
+
+GType
+psppire_checkbox_treeview_get_type (void)
+{
+ static GType psppire_checkbox_treeview_type = 0;
+
+ if (!psppire_checkbox_treeview_type)
+ {
+ static const GTypeInfo psppire_checkbox_treeview_info =
+ {
+ sizeof (PsppireCheckboxTreeviewClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) NULL,
+ (GClassFinalizeFunc) NULL,
+ NULL,
+ sizeof (PsppireCheckboxTreeview),
+ 0,
+ (GInstanceInitFunc) psppire_checkbox_treeview_init,
+ };
+
+ psppire_checkbox_treeview_type =
+ g_type_register_static (GTK_TYPE_TREE_VIEW, "PsppireCheckboxTreeview",
+ &psppire_checkbox_treeview_info, 0);
+ }
+
+ return psppire_checkbox_treeview_type;
+}
+
+
+
+/* Callback for checkbox cells in the statistics tree view.
+ Toggles the checkbox. */
+static void
+toggle (GtkCellRendererToggle *cell_renderer, const gchar *path_str, gpointer data)
+{
+ GtkTreeView *tv = GTK_TREE_VIEW (data);
+ GtkTreeModel *model = gtk_tree_view_get_model (tv);
+ GtkTreeIter iter;
+ GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
+ gboolean selected;
+
+ gtk_tree_model_get_iter (model, &iter, path);
+ gtk_tree_model_get (model, &iter, CHECKBOX_COLUMN_SELECTED, &selected, -1);
+ gtk_list_store_set (GTK_LIST_STORE (model), &iter, CHECKBOX_COLUMN_SELECTED,
+ !selected, -1);
+ gtk_tree_path_free (path);
+}
+
+/* Create the necessary columns and renderers and add them to the widget */
+static void
+treeview_checkbox_populate (GtkTreeView *treeview)
+{
+ /* Checkbox column. */
+ GtkTreeViewColumn *col = gtk_tree_view_column_new ();
+ GtkCellRenderer *renderer = gtk_cell_renderer_toggle_new ();
+
+ gtk_tree_view_column_pack_start (col, renderer, TRUE);
+
+ gtk_tree_view_append_column (treeview, col);
+
+ gtk_tree_view_column_add_attribute (col, renderer, "active", CHECKBOX_COLUMN_SELECTED);
+
+ g_signal_connect (renderer, "toggled", G_CALLBACK (toggle), treeview);
+
+ /* Label column. */
+ col = gtk_tree_view_column_new ();
+ gtk_tree_view_column_set_title (col, _("Statistic"));
+ renderer = gtk_cell_renderer_text_new ();
+ gtk_tree_view_column_pack_start (col, renderer, TRUE);
+
+ gtk_tree_view_column_add_attribute (col, renderer, "text", CHECKBOX_COLUMN_LABEL);
+
+ g_object_set (renderer, "ellipsize-set", TRUE, NULL);
+ g_object_set (renderer, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
+ gtk_tree_view_column_set_min_width (col, 200);
+ gtk_tree_view_column_set_sizing (col, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
+ gtk_tree_view_column_set_resizable (col, TRUE);
+ gtk_tree_view_append_column (treeview, col);
+}
+
+static void
+psppire_checkbox_treeview_init (PsppireCheckboxTreeview *cbtv)
+{
+ cbtv->list = GTK_TREE_MODEL (gtk_list_store_new (N_CHECKBOX_COLUMNS,
+ G_TYPE_STRING,
+ G_TYPE_BOOLEAN));
+
+ gtk_tree_view_set_model (GTK_TREE_VIEW (cbtv), cbtv->list);
+ g_object_unref (cbtv->list);
+
+ treeview_checkbox_populate (GTK_TREE_VIEW (cbtv));
+}
+
+
+/*
+ Load the object's model from the array ITEMS.
+ N_ITEMS is the size of the array.
+ DEFAULT_ITEMS is a bitwise field indicating the initial state
+ of the items.
+*/
+void
+psppire_checkbox_treeview_populate (PsppireCheckboxTreeview *cbtv,
+ guint default_items,
+ gint n_items,
+ const struct checkbox_entry_item *items)
+{
+ size_t i;
+ for (i = 0; i < n_items; ++i)
+ {
+ GtkTreeIter iter;
+ gtk_list_store_append (GTK_LIST_STORE (cbtv->list), &iter);
+ gtk_list_store_set (GTK_LIST_STORE (cbtv->list), &iter,
+ CHECKBOX_COLUMN_LABEL, gettext (items[i].label),
+ CHECKBOX_COLUMN_SELECTED,
+ (default_items & (1u << i)) != 0,
+ -1);
+ }
+
+}