Create accel groups for popup menus. Fixes crash.

2003-01-15  Hans Petter Jansson  <hpj@ximian.com>

	* gui/e-meeting-time-sel.c (e_meeting_time_selector_construct):
	Create accel groups for popup menus. Fixes crash.

	* gui/e-date-time-list.[ch]: Implement EDateTimeList as
	CalComponentDateTime list with a GtkTreeModel interface.

	* gui/Makefile.am: Add e-date-time-list.[ch].

	* gui/dialogs/recurrence-page.c: Use GtkTreeView with the new
	EDateTimeList as model for the exception list.

svn path=/trunk/; revision=19490

6 files changed, 757 insertions, 88 deletions

diff --git a/calendar/ChangeLog b/calendar/ChangeLog
index 8ad5556c85..10917d46c1 100644
--- a/calendar/ChangeLog
+++ b/calendar/ChangeLog
@@ -1,3 +1,16 @@
+2003-01-15  Hans Petter Jansson  <hpj@ximian.com>
+
+	* gui/e-meeting-time-sel.c (e_meeting_time_selector_construct):
+	Create accel groups for popup menus. Fixes crash.
+
+	* gui/e-date-time-list.[ch]: Implement EDateTimeList as
+	CalComponentDateTime list with a GtkTreeModel interface.
+
+	* gui/Makefile.am: Add e-date-time-list.[ch]. 
+
+	* gui/dialogs/recurrence-page.c: Use GtkTreeView with the new
+	EDateTimeList as model for the exception list.
+
 2003-01-15  Rodney Dawes  <dobey@ximian.com>
 
 	* gui/Makefile.am: Added libevolution_calendar_la_LDFLAGS, and
diff --git a/calendar/gui/Makefile.am b/calendar/gui/Makefile.am
index 589b0d592b..345220f627 100644
--- a/calendar/gui/Makefile.am
+++ b/calendar/gui/Makefile.am
@@ -98,6 +98,8 @@ libevolution_calendar_la_SOURCES =		\
 	e-cell-date-edit-text.c			\
 	e-comp-editor-registry.c		\
 	e-comp-editor-registry.h		\
+	e-date-time-list.c                      \
+	e-date-time-list.h                      \
 	e-day-view-layout.c			\
 	e-day-view-layout.h			\
 	e-day-view-main-item.c			\
diff --git a/calendar/gui/dialogs/recurrence-page.c b/calendar/gui/dialogs/recurrence-page.c
index f88b79ad9b..e9667e943b 100644
--- a/calendar/gui/dialogs/recurrence-page.c
+++ b/calendar/gui/dialogs/recurrence-page.c
@@ -1,3 +1,5 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
 /* Evolution calendar - Recurrence page of the calendar component dialogs
  *
  * Copyright (C) 2001 Ximian, Inc.
@@ -30,6 +32,8 @@
 #include <gtk/gtktogglebutton.h>
 #include <gtk/gtksignal.h>
 #include <gtk/gtkspinbutton.h>
+#include <gtk/gtkliststore.h>
+#include <gtk/gtktreeview.h>
 #include <libgnome/gnome-i18n.h>
 #include <glade/glade.h>
 #include <gal/widgets/e-unicode.h>
@@ -41,6 +45,7 @@
 #include "../tag-calendar.h"
 #include "../weekday-picker.h"
 #include "comp-editor-util.h"
+#include "../e-date-time-list.h"
 #include "recurrence-page.h"
 
 
@@ -166,7 +171,6 @@ struct _RecurrencePagePrivate {
 	GladeXML *xml;
 
 	/* Widgets from the Glade file */
-
 	GtkWidget *main;
 
 	GtkWidget *summary;
@@ -207,15 +211,17 @@ struct _RecurrencePagePrivate {
 	int ending_count;
 
 	/* More widgets from the Glade file */
-
 	GtkWidget *exception_date;
-	GtkWidget *exception_list;
+	GtkWidget *exception_list;  /* This is a GtkTreeView now */
 	GtkWidget *exception_add;
 	GtkWidget *exception_modify;
 	GtkWidget *exception_delete;
 
 	GtkWidget *preview_bin;
 
+	/* Store for exception_list */
+	EDateTimeList *exception_list_store;
+
 	/* For the recurrence preview, the actual widget */
 	GtkWidget *preview_calendar;
 
@@ -347,6 +353,11 @@ recurrence_page_finalize (GObject *object)
 		priv->comp = NULL;
 	}
 
+	if (priv->exception_list_store) {
+		g_object_unref (priv->exception_list_store);
+		priv->exception_list_store = NULL;
+	}
+
 	g_free (priv);
 	rpage->priv = NULL;
 
@@ -436,7 +447,7 @@ clear_widgets (RecurrencePage *rpage)
 	g_signal_handlers_unblock_matched (menu, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, rpage);
 
 	/* Exceptions list */
-	gtk_clist_clear (GTK_CLIST (priv->exception_list));
+	e_date_time_list_clear (priv->exception_list_store);
 }
 
 /* Builds a static string out of an exception date */
@@ -468,39 +479,15 @@ static void
 append_exception (RecurrencePage *rpage, CalComponentDateTime *datetime)
 {
 	RecurrencePagePrivate *priv;
-	CalComponentDateTime *dt;
-	char *c[1];
-	int i;
-	GtkCList *clist;
+	GtkTreeView *view;
+	GtkTreeIter  iter;
 	struct icaltimetype *tt;
 
 	priv = rpage->priv;
+	view = GTK_TREE_VIEW (priv->exception_list);
 
-	dt = g_new (CalComponentDateTime, 1);
-	dt->value = g_new (struct icaltimetype, 1);
-	*dt->value = *datetime->value;
-	dt->tzid = g_strdup (datetime->tzid);
-
-	clist = GTK_CLIST (priv->exception_list);
-
-	g_signal_handlers_block_matched (clist, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, rpage);
-
-	c[0] = get_exception_string (dt);
-	i = gtk_clist_append (clist, c);
-
-	gtk_clist_set_row_data_full (clist, i, dt, (GtkDestroyNotify) free_exception_date_time);
-
-	gtk_clist_select_row (clist, i, 0);
-	g_signal_handlers_unblock_matched (clist, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, rpage);
-
-	tt = dt->value;
-	e_date_edit_set_date (E_DATE_EDIT (priv->exception_date), 
-			      tt->year, tt->month, tt->day);
-	e_date_edit_set_time_of_day (E_DATE_EDIT (priv->exception_date), 
-				     tt->hour, tt->minute);
-
-	gtk_widget_set_sensitive (priv->exception_modify, TRUE);
-	gtk_widget_set_sensitive (priv->exception_delete, TRUE);
+	e_date_time_list_append (priv->exception_list_store, &iter, datetime);
+	gtk_tree_selection_select_iter (gtk_tree_view_get_selection (view), &iter);
 }
 
 /* Fills in the exception widgets with the data from the calendar component */
@@ -833,11 +820,15 @@ fill_component (RecurrencePage *rpage, CalComponent *comp)
 {
 	RecurrencePagePrivate *priv;
 	enum recur_type recur_type;
-	GtkCList *exception_list;
+	GtkTreeView *exception_list;
+	GtkTreeModel *model;
+	GtkTreeIter iter;
+	gboolean valid_iter;
 	GSList *list;
 	int i;
 
 	priv = rpage->priv;
+	model = GTK_TREE_MODEL (priv->exception_list_store);
 
 	recur_type = e_dialog_radio_get (priv->none, type_map);
 
@@ -865,29 +856,28 @@ fill_component (RecurrencePage *rpage, CalComponent *comp)
 	/* Set exceptions */
 
 	list = NULL;
-	exception_list = GTK_CLIST (priv->exception_list);
-	for (i = 0; i < exception_list->rows; i++) {
-		CalComponentDateTime *cdt, *dt;
+
+	for (valid_iter = gtk_tree_model_get_iter_first (model, &iter); valid_iter;
+	     valid_iter = gtk_tree_model_iter_next (model, &iter)) {
+		const CalComponentDateTime *dt;
+		CalComponentDateTime *cdt;
 
 		cdt = g_new (CalComponentDateTime, 1);
 		cdt->value = g_new (struct icaltimetype, 1);
 
-		dt = gtk_clist_get_row_data (exception_list, i);
+		dt = e_date_time_list_get_date_time (E_DATE_TIME_LIST (model), &iter);
 		g_assert (dt != NULL);
+
 		if (!icaltime_is_valid_time (*dt->value)) {
 			comp_editor_page_display_validation_error (COMP_EDITOR_PAGE (rpage),
 								   _("Recurrent date is wrong"),
-								   exception_list);
+								   priv->exception_list);
 			return FALSE;
 		}
 
 		*cdt->value = *dt->value;
 		cdt->tzid = g_strdup (dt->tzid);
 
-#if 0
-		g_print ("Adding exception is_date: %i\n", cdt->value->is_date);
-#endif
-
 		list = g_slist_prepend (list, cdt);
 	}
 
@@ -2198,24 +2188,24 @@ exception_modify_cb (GtkWidget *widget, gpointer data)
 {
 	RecurrencePage *rpage;
 	RecurrencePagePrivate *priv;
-	GtkCList *clist;
-	CalComponentDateTime *dt;
+	GtkTreeSelection *selection;
+	CalComponentDateTime dt;
+	struct icaltimetype icaltime = icaltime_null_time ();
 	struct icaltimetype *tt;
-	int sel;
+	GtkTreeIter iter;
 
 	rpage = RECURRENCE_PAGE (data);
 	priv = rpage->priv;
 
-	clist = GTK_CLIST (priv->exception_list);
-	if (!clist->selection)
+	selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->exception_list));
+	if (!gtk_tree_selection_get_selected (selection, NULL, &iter)) {
+		g_warning ("Could not get a selection to modify.");
 		return;
-
+	}
 	field_changed (rpage);
 
-	sel = GPOINTER_TO_INT (clist->selection->data);
-
-	dt = gtk_clist_get_row_data (clist, sel);
-	tt = dt->value;
+	dt.value = &icaltime;
+	tt = dt.value;
 	e_date_edit_get_date (E_DATE_EDIT (priv->exception_date), 
 			      &tt->year, &tt->month, &tt->day);
 	tt->hour = 0;
@@ -2223,12 +2213,10 @@ exception_modify_cb (GtkWidget *widget, gpointer data)
 	tt->second = 0;
 	tt->is_date = 1;
 
-	/* We get rid of any old TZID, since we are using a DATE value now. */
-	g_free ((char*)dt->tzid);
-	dt->tzid = NULL;
-
-	gtk_clist_set_text (clist, sel, 0, get_exception_string (dt));
+	/* No TZID, since we are using a DATE value now. */
+	dt.tzid = NULL;
 
+	e_date_time_list_set_date_time (priv->exception_list_store, &iter, &dt);
 	preview_recur (rpage);
 }
 
@@ -2238,31 +2226,37 @@ exception_delete_cb (GtkWidget *widget, gpointer data)
 {
 	RecurrencePage *rpage;
 	RecurrencePagePrivate *priv;
-	GtkCList *clist;
+	GtkTreeSelection *selection;
+	GtkTreeIter iter;
+	GtkTreePath *path;
+	gboolean valid_iter;
 	int sel;
 
 	rpage = RECURRENCE_PAGE (data);
 	priv = rpage->priv;
 
-	clist = GTK_CLIST (priv->exception_list);
-	if (!clist->selection)
+	selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->exception_list));
+	if (!gtk_tree_selection_get_selected (selection, NULL, &iter)) {
+		g_warning ("Could not get a selection to delete.");
 		return;
+	}
 
 	field_changed (rpage);
 
-	sel = GPOINTER_TO_INT (clist->selection->data);
-
-	gtk_clist_remove (clist, sel);
-	if (sel >= clist->rows)
-		sel--;
+	path = gtk_tree_model_get_path (GTK_TREE_MODEL (priv->exception_list_store), &iter);
+	e_date_time_list_remove (priv->exception_list_store, &iter);
 
-	if (clist->rows > 0)
-		gtk_clist_select_row (clist, sel, 0);
-	else {
-		gtk_widget_set_sensitive (priv->exception_modify, FALSE);
-		gtk_widget_set_sensitive (priv->exception_delete, FALSE);
+	/* Select closest item after removal */
+	valid_iter = gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->exception_list_store), &iter, path);
+	if (!valid_iter) {
+		gtk_tree_path_prev (path);
+		valid_iter = gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->exception_list_store), &iter, path);
 	}
 
+	if (valid_iter)
+		gtk_tree_selection_select_iter (selection, &iter);
+
+	gtk_tree_path_free (path);
 	preview_recur (rpage);
 }
 
@@ -2271,24 +2265,27 @@ exception_delete_cb (GtkWidget *widget, gpointer data)
  * exception's value.
  */
 static void
-exception_select_row_cb (GtkCList *clist, gint row, gint col,
-			 GdkEvent *event, gpointer data)
+exception_selection_changed_cb (GtkTreeSelection *selection, gpointer data)
 {
 	RecurrencePage *rpage;
 	RecurrencePagePrivate *priv;
-	CalComponentDateTime *dt;
+	const CalComponentDateTime *dt;
 	struct icaltimetype *t;
+	GtkTreeIter iter;
 
 	rpage = RECURRENCE_PAGE (data);
 	priv = rpage->priv;
 
-	/* Sometimes GtkCList emits a 'row-selected' signal for row 0 when
-	   there are 0 rows in the list (after you delete the last row).
-	   So we check that the row is valid here. */
-	if (row >= clist->rows)
+	if (!gtk_tree_selection_get_selected (selection, NULL, &iter)) {
+		gtk_widget_set_sensitive (priv->exception_modify, FALSE);
+		gtk_widget_set_sensitive (priv->exception_delete, FALSE);
 		return;
+	}
 
-	dt = gtk_clist_get_row_data (clist, row);
+	gtk_widget_set_sensitive (priv->exception_modify, TRUE);
+	gtk_widget_set_sensitive (priv->exception_delete, TRUE);
+
+	dt = e_date_time_list_get_date_time (priv->exception_list_store, &iter);
 	g_assert (dt != NULL);
 
 	t = dt->value;
@@ -2319,6 +2316,8 @@ init_widgets (RecurrencePage *rpage)
 	ECalendar *ecal;
 	GtkAdjustment *adj;
 	GtkWidget *menu;
+	GtkTreeViewColumn *column;
+	GtkCellRenderer *cell_renderer;
 
 	priv = rpage->priv;
 
@@ -2383,10 +2382,26 @@ init_widgets (RecurrencePage *rpage)
 	g_signal_connect((priv->exception_delete), "clicked",
 			    G_CALLBACK (exception_delete_cb), rpage);
 
-	/* Selections in the exceptions list */
+	gtk_widget_set_sensitive (priv->exception_modify, FALSE);
+	gtk_widget_set_sensitive (priv->exception_delete, FALSE);
+
+	/* Exception list */
+
+	/* Model */
+	priv->exception_list_store = e_date_time_list_new ();
+	gtk_tree_view_set_model (GTK_TREE_VIEW (priv->exception_list),
+				 GTK_TREE_MODEL (priv->exception_list_store));
+
+	/* View */
+	column = gtk_tree_view_column_new ();
+	gtk_tree_view_column_set_title (column, "Date/Time");
+	cell_renderer = GTK_CELL_RENDERER (gtk_cell_renderer_text_new ());
+	gtk_tree_view_column_pack_start (column, cell_renderer, TRUE);
+	gtk_tree_view_column_add_attribute (column, cell_renderer, "text", E_DATE_TIME_LIST_COLUMN_DESCRIPTION);
+	gtk_tree_view_append_column (GTK_TREE_VIEW (priv->exception_list), column);
 
-	g_signal_connect((priv->exception_list), "select_row",
-			    G_CALLBACK (exception_select_row_cb), rpage);
+	g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->exception_list)), "changed",
+			  G_CALLBACK (exception_selection_changed_cb), rpage);
 }
 
 
diff --git a/calendar/gui/e-date-time-list.c b/calendar/gui/e-date-time-list.c
new file mode 100644
index 0000000000..f5d3608122
--- /dev/null
+++ b/calendar/gui/e-date-time-list.c
@@ -0,0 +1,555 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/* EDateTimeList - list of calendar dates/times with GtkTreeModel interface.
+ *
+ * Copyright (C) 2003 Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Authors:  Hans Petter Jansson  <hpj@ximian.com>
+ */
+
+#include <string.h>
+#include <gtk/gtktreemodel.h>
+#include <gtk/gtksignal.h>
+#include <gtk/gtktreednd.h>
+#include <glib.h>
+#include "e-date-time-list.h"
+
+#define G_LIST(x)                        ((GList *) x)
+#define E_DATE_TIME_LIST_IS_SORTED(list) (E_DATE_TIME_LIST (list)->sort_column_id != -2)
+#define IS_VALID_ITER(dt_list, iter)     (iter!= NULL && iter->user_data != NULL && \
+                                          dt_list->stamp == iter->stamp)
+
+static GType column_types [E_DATE_TIME_LIST_NUM_COLUMNS];
+
+static void         e_date_time_list_init            (EDateTimeList      *file_list);
+static void         e_date_time_list_class_init      (EDateTimeListClass *class);
+static void         e_date_time_list_tree_model_init (GtkTreeModelIface  *iface);
+static void         e_date_time_list_finalize        (GObject            *object);
+static guint        e_date_time_list_get_flags       (GtkTreeModel       *tree_model);
+static gint         e_date_time_list_get_n_columns   (GtkTreeModel       *tree_model);
+static GType        e_date_time_list_get_column_type (GtkTreeModel       *tree_model,
+						      gint                index);
+static gboolean     e_date_time_list_get_iter        (GtkTreeModel       *tree_model,
+						      GtkTreeIter        *iter,
+						      GtkTreePath        *path);
+static GtkTreePath *e_date_time_list_get_path        (GtkTreeModel       *tree_model,
+						      GtkTreeIter        *iter);
+static void         e_date_time_list_get_value       (GtkTreeModel       *tree_model,
+						      GtkTreeIter        *iter,
+						      gint                column,
+						      GValue             *value);
+static gboolean     e_date_time_list_iter_next       (GtkTreeModel       *tree_model,
+						      GtkTreeIter        *iter);
+static gboolean     e_date_time_list_iter_children   (GtkTreeModel       *tree_model,
+						      GtkTreeIter        *iter,
+						      GtkTreeIter        *parent);
+static gboolean     e_date_time_list_iter_has_child  (GtkTreeModel       *tree_model,
+						      GtkTreeIter        *iter);
+static gint         e_date_time_list_iter_n_children (GtkTreeModel       *tree_model,
+						      GtkTreeIter        *iter);
+static gboolean     e_date_time_list_iter_nth_child  (GtkTreeModel       *tree_model,
+						      GtkTreeIter        *iter,
+						      GtkTreeIter        *parent,
+						      gint                n);
+static gboolean     e_date_time_list_iter_parent     (GtkTreeModel       *tree_model,
+						      GtkTreeIter        *iter,
+						      GtkTreeIter        *child);
+
+static GObjectClass *parent_class = NULL;
+
+GtkType
+e_date_time_list_get_type (void)
+{
+	static GType date_time_list_type = 0;
+
+	if (!date_time_list_type) {
+		static const GTypeInfo date_time_list_info =
+		{
+			sizeof (EDateTimeListClass),
+			NULL,		/* base_init */
+			NULL,		/* base_finalize */
+			(GClassInitFunc) e_date_time_list_class_init,
+			NULL,		/* class_finalize */
+			NULL,		/* class_data */
+			sizeof (EDateTimeList),
+			0,
+			(GInstanceInitFunc) e_date_time_list_init,
+		};
+
+		static const GInterfaceInfo tree_model_info =
+		{
+			(GInterfaceInitFunc) e_date_time_list_tree_model_init,
+			NULL,
+			NULL
+		};
+
+		column_types [E_DATE_TIME_LIST_COLUMN_DESCRIPTION] = G_TYPE_STRING;
+
+		date_time_list_type = g_type_register_static (G_TYPE_OBJECT, "EDateTimeList",
+							      &date_time_list_info, 0);
+		g_type_add_interface_static (date_time_list_type,
+					     GTK_TYPE_TREE_MODEL,
+					     &tree_model_info);
+	}
+
+	return date_time_list_type;
+}
+
+static void
+e_date_time_list_class_init (EDateTimeListClass *class)
+{
+	GObjectClass *object_class;
+
+	parent_class = g_type_class_peek_parent (class);
+	object_class = (GObjectClass*) class;
+
+	object_class->finalize = e_date_time_list_finalize;
+}
+
+static void
+e_date_time_list_tree_model_init (GtkTreeModelIface *iface)
+{
+	iface->get_flags = e_date_time_list_get_flags;
+	iface->get_n_columns = e_date_time_list_get_n_columns;
+	iface->get_column_type = e_date_time_list_get_column_type;
+	iface->get_iter = e_date_time_list_get_iter;
+	iface->get_path = e_date_time_list_get_path;
+	iface->get_value = e_date_time_list_get_value;
+	iface->iter_next = e_date_time_list_iter_next;
+	iface->iter_children = e_date_time_list_iter_children;
+	iface->iter_has_child = e_date_time_list_iter_has_child;
+	iface->iter_n_children = e_date_time_list_iter_n_children;
+	iface->iter_nth_child = e_date_time_list_iter_nth_child;
+	iface->iter_parent = e_date_time_list_iter_parent;
+}
+
+static void
+e_date_time_list_init (EDateTimeList *date_time_list)
+{
+	date_time_list->stamp         = g_random_int ();
+	date_time_list->columns_dirty = FALSE;
+	date_time_list->list          = NULL;
+}
+
+EDateTimeList *
+e_date_time_list_new (void)
+{
+	EDateTimeList *date_time_list;
+
+	date_time_list = E_DATE_TIME_LIST (g_object_new (e_date_time_list_get_type (), NULL));
+
+	return date_time_list;
+}
+
+static void
+all_rows_deleted (EDateTimeList *date_time_list)
+{
+	GtkTreePath *path;
+	gint         i;
+
+	if (!date_time_list->list)
+		return;
+
+	path = gtk_tree_path_new ();
+	i = g_list_length (date_time_list->list);
+	gtk_tree_path_append_index (path, i);
+
+	for ( ; i >= 0; i--) {
+		gtk_tree_model_row_deleted (GTK_TREE_MODEL (date_time_list), path);
+		gtk_tree_path_prev (path);
+	}
+
+	gtk_tree_path_free (path);
+}
+
+static void
+row_deleted (EDateTimeList *date_time_list, gint n)
+{
+	GtkTreePath *path;
+	gint         i;
+
+	path = gtk_tree_path_new ();
+	gtk_tree_path_append_index (path, n);
+	gtk_tree_model_row_deleted (GTK_TREE_MODEL (date_time_list), path);
+	gtk_tree_path_free (path);
+}
+
+static void
+row_added (EDateTimeList *date_time_list, gint n)
+{
+	GtkTreePath *path;
+	GtkTreeIter  iter;
+
+	path = gtk_tree_path_new ();
+	gtk_tree_path_append_index (path, n);
+
+	if (gtk_tree_model_get_iter (GTK_TREE_MODEL (date_time_list), &iter, path))
+		gtk_tree_model_row_inserted (GTK_TREE_MODEL (date_time_list), path, &iter);
+
+	gtk_tree_path_free (path);
+}
+
+static void
+row_updated (EDateTimeList *date_time_list, gint n)
+{
+	GtkTreePath *path;
+	GtkTreeIter  iter;
+
+	path = gtk_tree_path_new ();
+	gtk_tree_path_append_index (path, n);
+
+	if (gtk_tree_model_get_iter (GTK_TREE_MODEL (date_time_list), &iter, path))
+		gtk_tree_model_row_changed (GTK_TREE_MODEL (date_time_list), path, &iter);
+
+	gtk_tree_path_free (path);
+}
+
+static void
+e_date_time_list_finalize (GObject *object)
+{
+	EDateTimeList *date_time_list = E_DATE_TIME_LIST (object);
+}
+
+/* Fulfill the GtkTreeModel requirements */
+static guint
+e_date_time_list_get_flags (GtkTreeModel *tree_model)
+{
+	g_return_val_if_fail (E_IS_DATE_TIME_LIST (tree_model), 0);
+
+	return GTK_TREE_MODEL_LIST_ONLY;
+}
+
+static gint
+e_date_time_list_get_n_columns (GtkTreeModel *tree_model)
+{
+	EDateTimeList *date_time_list = (EDateTimeList *) tree_model;
+
+	g_return_val_if_fail (E_IS_DATE_TIME_LIST (tree_model), 0);
+
+	date_time_list->columns_dirty = TRUE;
+	return E_DATE_TIME_LIST_NUM_COLUMNS;
+}
+
+static GType
+e_date_time_list_get_column_type (GtkTreeModel *tree_model,
+				  gint          index)
+{
+	EDateTimeList *date_time_list = (EDateTimeList *) tree_model;
+
+	g_return_val_if_fail (E_IS_DATE_TIME_LIST (tree_model), G_TYPE_INVALID);
+	g_return_val_if_fail (index < E_DATE_TIME_LIST_NUM_COLUMNS &&
+			      index >= 0, G_TYPE_INVALID);
+
+	date_time_list->columns_dirty = TRUE;
+	return column_types [index];
+}
+
+const CalComponentDateTime *
+e_date_time_list_get_date_time (EDateTimeList *date_time_list, GtkTreeIter *iter)
+{
+	g_return_val_if_fail (IS_VALID_ITER (date_time_list, iter), NULL);
+
+	return G_LIST (iter->user_data)->data;
+}
+
+static void
+free_datetime (CalComponentDateTime *datetime)
+{
+	g_free (datetime->value);
+	if (datetime->tzid)
+		g_free ((gchar *) datetime->tzid);
+	g_free (datetime);
+}
+
+static CalComponentDateTime *
+copy_datetime (const CalComponentDateTime *datetime)
+{
+	CalComponentDateTime *datetime_copy;
+
+	datetime_copy = g_new0 (CalComponentDateTime, 1);
+	datetime_copy->value  = g_new (struct icaltimetype, 1);
+	*datetime_copy->value = *datetime->value;
+
+	if (datetime->tzid)
+		datetime_copy->tzid = g_strdup (datetime->tzid);
+
+	return datetime_copy;
+}
+
+void
+e_date_time_list_set_date_time (EDateTimeList *date_time_list, GtkTreeIter *iter,
+				const CalComponentDateTime *datetime)
+{
+	CalComponentDateTime *datetime_old;
+
+	g_return_if_fail (IS_VALID_ITER (date_time_list, iter));
+
+	datetime_old = G_LIST (iter->user_data)->data;
+	free_datetime (datetime_old);
+	G_LIST (iter->user_data)->data = copy_datetime (datetime);
+	row_updated (date_time_list, g_list_position (date_time_list->list, G_LIST (iter->user_data)));
+}
+
+void
+e_date_time_list_append (EDateTimeList *date_time_list, GtkTreeIter *iter,
+			 const CalComponentDateTime *datetime)
+{
+	CalComponentDateTime *datetime_copy;
+
+	g_return_if_fail (datetime != NULL);
+
+	date_time_list->list = g_list_append (date_time_list->list, copy_datetime (datetime));
+	row_added (date_time_list, g_list_length (date_time_list->list) - 1);
+
+	if (iter) {
+		iter->user_data = g_list_last (date_time_list->list);
+		iter->stamp     = date_time_list->stamp;
+	}
+}
+
+void
+e_date_time_list_remove (EDateTimeList *date_time_list, GtkTreeIter *iter)
+{
+	gint n;
+
+	g_return_if_fail (IS_VALID_ITER (date_time_list, iter));
+
+	n = g_list_position (date_time_list->list, G_LIST (iter->user_data));
+	free_datetime ((CalComponentDateTime *) G_LIST (iter->user_data)->data);
+	date_time_list->list = g_list_delete_link (date_time_list->list, G_LIST (iter->user_data));
+	row_deleted (date_time_list, n);
+}
+
+void
+e_date_time_list_clear (EDateTimeList *date_time_list)
+{
+	GList *l;
+
+	all_rows_deleted (date_time_list);
+
+	for (l = date_time_list->list; l; l = g_list_next (l)) {
+		free_datetime ((CalComponentDateTime *) l->data);
+	}
+
+	g_list_free (date_time_list->list);
+	date_time_list->list = NULL;
+}
+
+static gboolean
+e_date_time_list_get_iter (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreePath *path)
+{
+	EDateTimeList *date_time_list = (EDateTimeList *) tree_model;
+	GList         *l;
+	gint           i;
+
+	g_return_val_if_fail (E_IS_DATE_TIME_LIST (tree_model), FALSE);
+	g_return_val_if_fail (gtk_tree_path_get_depth (path) > 0, FALSE);
+
+	if (!date_time_list->list)
+		return FALSE;
+
+	date_time_list->columns_dirty = TRUE;
+
+	i = gtk_tree_path_get_indices (path)[0];
+	l = g_list_nth (date_time_list->list, i);
+	if (!l)
+		return FALSE;
+
+	iter->user_data = l;
+	iter->stamp     = date_time_list->stamp;
+	return TRUE;
+}
+
+static GtkTreePath *
+e_date_time_list_get_path (GtkTreeModel *tree_model,
+			   GtkTreeIter  *iter)
+{
+	EDateTimeList *date_time_list = (EDateTimeList *) tree_model;
+	GtkTreePath   *retval;
+	GList         *l;
+
+	g_return_val_if_fail (E_IS_DATE_TIME_LIST (tree_model), NULL);
+	g_return_val_if_fail (iter->stamp == E_DATE_TIME_LIST (tree_model)->stamp, NULL);
+
+	l = iter->user_data;
+	retval = gtk_tree_path_new ();
+	gtk_tree_path_append_index (retval, g_list_position (date_time_list->list, l));
+	return retval;
+}
+
+/* Builds a static string out of an exception date */
+static char *
+get_exception_string (CalComponentDateTime *dt)
+{
+	static char buf [256];
+	struct tm tmp_tm;
+
+	tmp_tm.tm_year  = dt->value->year - 1900;
+	tmp_tm.tm_mon   = dt->value->month - 1;
+	tmp_tm.tm_mday  = dt->value->day;
+	tmp_tm.tm_hour  = dt->value->hour;
+	tmp_tm.tm_min   = dt->value->minute;
+	tmp_tm.tm_sec   = dt->value->second;
+	tmp_tm.tm_isdst = -1;
+
+	tmp_tm.tm_wday = time_day_of_week (dt->value->day,
+					   dt->value->month - 1,
+					   dt->value->year);
+
+	e_time_format_date_and_time (&tmp_tm, calendar_config_get_24_hour_format (),
+				     FALSE, FALSE, buf, sizeof (buf));
+
+	return buf;
+}
+
+static void
+e_date_time_list_get_value (GtkTreeModel *tree_model,
+			    GtkTreeIter  *iter,
+			    gint          column,
+			    GValue       *value)
+{
+	EDateTimeList        *date_time_list = E_DATE_TIME_LIST (tree_model);
+	CalComponentDateTime *datetime;
+	GList                *l;
+	const gchar          *str;
+
+	g_return_if_fail (E_IS_DATE_TIME_LIST (tree_model));
+	g_return_if_fail (column < E_DATE_TIME_LIST_NUM_COLUMNS);
+	g_return_if_fail (E_DATE_TIME_LIST (tree_model)->stamp == iter->stamp);
+	g_return_if_fail (IS_VALID_ITER (date_time_list, iter));
+
+	g_value_init (value, column_types [column]);
+
+	if (!date_time_list->list)
+		return;
+
+	l        = iter->user_data;
+	datetime = l->data;
+
+	if (!datetime)
+		return;
+
+	switch (column) {
+		case E_DATE_TIME_LIST_COLUMN_DESCRIPTION:
+			str = get_exception_string (datetime);
+			g_value_set_string (value, str);
+			break;
+	}
+}
+
+static gboolean
+e_date_time_list_iter_next (GtkTreeModel  *tree_model,
+			    GtkTreeIter   *iter)
+{
+	GList *l;
+
+	g_return_val_if_fail (E_IS_DATE_TIME_LIST (tree_model), FALSE);
+	g_return_val_if_fail (IS_VALID_ITER (E_DATE_TIME_LIST (tree_model), iter), FALSE);
+
+	if (!E_DATE_TIME_LIST (tree_model)->list)
+		return FALSE;
+
+	l = iter->user_data;
+	l = g_list_next (l);
+	if (l) {
+		iter->user_data = l;
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+static gboolean
+e_date_time_list_iter_children (GtkTreeModel *tree_model,
+				GtkTreeIter  *iter,
+				GtkTreeIter  *parent)
+{
+	EDateTimeList *date_time_list = E_DATE_TIME_LIST (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 (!date_time_list->list)
+		return FALSE;
+
+	iter->stamp     = E_DATE_TIME_LIST (tree_model)->stamp;
+	iter->user_data = date_time_list->list;
+	return TRUE;
+}
+
+static gboolean
+e_date_time_list_iter_has_child (GtkTreeModel *tree_model,
+				 GtkTreeIter  *iter)
+{
+	g_return_val_if_fail (IS_VALID_ITER (E_DATE_TIME_LIST (tree_model), iter), FALSE);
+	return FALSE;
+}
+
+static gint
+e_date_time_list_iter_n_children (GtkTreeModel *tree_model,
+				  GtkTreeIter  *iter)
+{
+	EDateTimeList *date_time_list = E_DATE_TIME_LIST (tree_model);
+
+	g_return_val_if_fail (E_IS_DATE_TIME_LIST (tree_model), -1);
+	g_return_val_if_fail (IS_VALID_ITER (date_time_list, iter), -1);
+
+	if (iter == NULL)
+		return g_list_length (date_time_list->list);
+
+	g_return_val_if_fail (E_DATE_TIME_LIST (tree_model)->stamp == iter->stamp, -1);
+	return 0;
+}
+
+static gboolean
+e_date_time_list_iter_nth_child (GtkTreeModel *tree_model,
+				 GtkTreeIter  *iter,
+				 GtkTreeIter  *parent,
+				 gint          n)
+{
+	EDateTimeList *date_time_list = E_DATE_TIME_LIST (tree_model);
+
+	g_return_val_if_fail (E_IS_DATE_TIME_LIST (tree_model), FALSE);
+
+	if (parent)
+		return FALSE;
+
+	if (date_time_list->list) {
+		GList *l;
+
+		l = g_list_nth (date_time_list->list, n);
+		if (!l)
+			return FALSE;
+
+		iter->stamp     = date_time_list->stamp;
+		iter->user_data = l;
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+static gboolean
+e_date_time_list_iter_parent (GtkTreeModel *tree_model,
+			      GtkTreeIter  *iter,
+			      GtkTreeIter  *child)
+{
+	return FALSE;
+}
diff --git a/calendar/gui/e-date-time-list.h b/calendar/gui/e-date-time-list.h
new file mode 100644
index 0000000000..07a7c77b02
--- /dev/null
+++ b/calendar/gui/e-date-time-list.h
@@ -0,0 +1,83 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/* EDateTimeList - list of calendar dates/times with GtkTreeModel interface.
+ *
+ * Copyright (C) 2003 Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Authors:  Hans Petter Jansson  <hpj@ximian.com>
+ */
+
+#ifndef E_DATE_TIME_LIST_H
+#define E_DATE_TIME_LIST_H
+
+#include <gtk/gtktreemodel.h>
+#include <cal-util/cal-component.h>
+
+G_BEGIN_DECLS
+
+#define E_TYPE_DATE_TIME_LIST            (e_date_time_list_get_type ())
+#define E_DATE_TIME_LIST(obj)	         (GTK_CHECK_CAST ((obj), E_TYPE_DATE_TIME_LIST, EDateTimeList))
+#define E_DATE_TIME_LIST_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), E_TYPE_DATE_TIME_LIST, EDateTimeListClass))
+#define E_IS_DATE_TIME_LIST(obj)         (GTK_CHECK_TYPE ((obj), E_TYPE_DATE_TIME_LIST))
+#define E_IS_DATE_TIME_LIST_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), E_TYPE_DATE_TIME_LIST))
+#define E_DATE_TIME_LIST_GET_CLASS(obj)  (GTK_CHECK_GET_CLASS ((obj), E_TYPE_DATE_TIME_LIST, EDateTimeListClass))
+
+typedef struct _EDateTimeList       EDateTimeList;
+typedef struct _EDateTimeListClass  EDateTimeListClass;
+
+typedef enum
+{
+	E_DATE_TIME_LIST_COLUMN_DESCRIPTION,
+
+	E_DATE_TIME_LIST_NUM_COLUMNS
+}
+EDateTimeListColumnType;
+
+struct _EDateTimeList
+{
+	GObject  parent;
+
+	/* Private */
+
+	gint     stamp;
+	GList   *list;
+
+	guint    columns_dirty : 1;
+};
+
+struct _EDateTimeListClass
+{
+	GObjectClass parent_class;
+};
+
+GtkType                     e_date_time_list_get_type         (void);
+EDateTimeList              *e_date_time_list_new              (void);
+
+const CalComponentDateTime *e_date_time_list_get_date_time    (EDateTimeList *date_time_list,
+							       GtkTreeIter *iter);
+void                        e_date_time_list_set_date_time    (EDateTimeList *date_time_list,
+							       GtkTreeIter *iter,
+							       const CalComponentDateTime *datetime);
+void                        e_date_time_list_append           (EDateTimeList *date_time_list,
+							       GtkTreeIter *iter,
+							       const CalComponentDateTime *datetime);
+void                        e_date_time_list_remove           (EDateTimeList *date_time_list,
+							       GtkTreeIter *iter);
+void                        e_date_time_list_clear            (EDateTimeList *date_time_list);
+
+G_END_DECLS
+
+#endif  /* E_DATE_TIME_LIST_H */
diff --git a/calendar/gui/e-meeting-time-sel.c b/calendar/gui/e-meeting-time-sel.c
index 557fcc068b..ad52ecc5bf 100644
--- a/calendar/gui/e-meeting-time-sel.c
+++ b/calendar/gui/e-meeting-time-sel.c
@@ -458,15 +458,16 @@ e_meeting_time_selector_construct (EMeetingTimeSelector * mts, EMeetingModel *em
 	mts->options_menu = gtk_menu_new ();
 	gtk_menu_attach_to_widget (GTK_MENU (mts->options_menu), mts->options_button,
 				   e_meeting_time_selector_options_menu_detacher);
-#if 0
-	menu_accel_group = gtk_menu_ensure_uline_accel_group (GTK_MENU (mts->options_menu));
-#endif
+
+	menu_accel_group = gtk_accel_group_new ();
+	gtk_menu_set_accel_group (GTK_MENU (mts->options_menu), menu_accel_group);
 
 	menuitem = gtk_check_menu_item_new_with_label ("");
 	accel_key = gtk_label_parse_uline (GTK_LABEL (GTK_BIN (menuitem)->child), _("Show _Only Working Hours"));
 	gtk_menu_append (GTK_MENU (mts->options_menu), menuitem);
 	gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menuitem),
 					mts->working_hours_only);
+
 	gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group,
 				    accel_key, 0, 0);
 	gtk_widget_add_accelerator (menuitem, "activate", menu_accel_group,
@@ -555,9 +556,9 @@ e_meeting_time_selector_construct (EMeetingTimeSelector * mts, EMeetingModel *em
 	mts->autopick_menu = gtk_menu_new ();
 	gtk_menu_attach_to_widget (GTK_MENU (mts->autopick_menu), mts->autopick_button,
 				   e_meeting_time_selector_autopick_menu_detacher);
-#if 0
-	menu_accel_group = gtk_menu_ensure_uline_accel_group (GTK_MENU (mts->autopick_menu));
-#endif
+
+	menu_accel_group = gtk_accel_group_new ();
+	gtk_menu_set_accel_group (GTK_MENU (mts->autopick_menu), menu_accel_group);
 
 	menuitem = gtk_radio_menu_item_new_with_label (NULL, "");
 	mts->autopick_all_item = menuitem;