Fixes bug #918.

2000-12-01  Federico Mena Quintero  <federico@helixcode.com>

	Fixes bug #918.

	* gui/weekday-picker.c (WeekdayPickerPrivate): Added a field for a
	set of blocked days.
	(weekday_picker_set_blocked_days): New function to configure a set
	of days that cannot be modified by the user.
	(weekday_picker_get_blocked_days): Query function for the above.
	(day_event_cb): Block the appropriate days from being modified.

	* gui/event-editor.c (get_start_weekday_mask): New function to
	compute a day mask for the start day of a calendar component.
	(set_recur_special_defaults): New function to set sane defaults
	for the recurrence special widgets.
	(fill_recurrence_widgets): Use set_recur_special_defaults().
	(make_recur_weekly_special): Block the appropriate days.

svn path=/trunk/; revision=6767

1 files changed, 49 insertions, 0 deletions

diff --git a/calendar/gui/weekday-picker.c b/calendar/gui/weekday-picker.c
index 8ebcf1d970..4c0ede2579 100644
--- a/calendar/gui/weekday-picker.c
+++ b/calendar/gui/weekday-picker.c
@@ -38,6 +38,9 @@ struct _WeekdayPickerPrivate {
 	/* Selected days; see weekday_picker_set_days() */
 	guint8 day_mask;
 
+	/* Blocked days; these cannot be modified */
+	guint8 blocked_day_mask;
+
 	/* Metrics */
 	int font_ascent, font_descent;
 	int max_letter_width;
@@ -168,6 +171,9 @@ day_event_cb (GnomeCanvasItem *item, GdkEvent *event, gpointer data)
 			i++;
 	}
 
+	if (priv->blocked_day_mask & (0x1 << i))
+		return TRUE;
+
 	if (priv->day_mask & (0x1 << i))
 		day_mask = priv->day_mask & ~(0x1 << i);
 	else
@@ -515,6 +521,49 @@ weekday_picker_get_days (WeekdayPicker *wp)
 }
 
 /**
+ * weekday_picker_set_blocked_days:
+ * @wp: A weekday picker.
+ * @blocked_day_mask: Bitmask with the days to be blocked.
+ * 
+ * Sets the days that the weekday picker will prevent from being modified by the
+ * user.  The @blocked_day_mask is specified in the same way as in
+ * weekday_picker_set_days().
+ **/
+void
+weekday_picker_set_blocked_days (WeekdayPicker *wp, guint8 blocked_day_mask)
+{
+	WeekdayPickerPrivate *priv;
+
+	g_return_if_fail (wp != NULL);
+	g_return_if_fail (IS_WEEKDAY_PICKER (wp));
+
+	priv = wp->priv;
+	priv->blocked_day_mask = blocked_day_mask;
+}
+
+/**
+ * weekday_picker_get_blocked_days:
+ * @wp: A weekday picker.
+ * 
+ * Queries the set of days that the weekday picker prevents from being modified
+ * by the user.
+ * 
+ * Return value: Bit mask of blocked days, with the same format as that returned
+ * by weekday_picker_get_days().
+ **/
+guint
+weekday_picker_get_blocked_days (WeekdayPicker *wp)
+{
+	WeekdayPickerPrivate *priv;
+
+	g_return_val_if_fail (wp != NULL, 0);
+	g_return_val_if_fail (IS_WEEKDAY_PICKER (wp), 0);
+
+	priv = wp->priv;
+	return priv->blocked_day_mask;
+}
+
+/**
  * weekday_picker_set_week_starts_on_monday:
  * @wp: A weekday picker.
  * @on_monday: Whether weeks start on Monday.