[evolution] Bug #243938 - Clicking on week numbers changes work week to week view

[Milan Crha <mcrha src gnome org>]

commit bd86dd54026ddae9d921adefb7055d8271afa89e
Author: Milan Crha <mcrha redhat com>
Date:   Fri May 13 16:55:33 2011 +0200

    Bug #243938 - Clicking on week numbers changes work week to week view

 calendar/gui/gnome-cal.c                    |    5 +++
 modules/calendar/e-cal-shell-view-private.c |   10 +++++-
 widgets/misc/e-calendar-item.c              |   44 ++++++++++++++++++++++++--
 widgets/misc/e-calendar-item.h              |    2 +
 4 files changed, 55 insertions(+), 6 deletions(-)
---
diff --git a/calendar/gui/gnome-cal.c b/calendar/gui/gnome-cal.c
index eb7ed6e..3a4adad 100644
--- a/calendar/gui/gnome-cal.c
+++ b/calendar/gui/gnome-cal.c
@@ -1843,6 +1843,11 @@ gnome_calendar_display_view (GnomeCalendar *gcal,
 		gcal->priv->date_navigator->calitem,
 		"preserve_day_when_moving", preserve_day, NULL);
 
+	/* keep week days selected as before for a work week view */
+	g_object_set (G_OBJECT (gcal->priv->date_navigator->calitem),
+		      "keep_wdays_on_weeknum_click", view_type == GNOME_CAL_WORK_WEEK_VIEW,
+		      NULL);
+
 	if (!gcal->priv->base_view_time)
 		start_time = time (NULL);
 	else
diff --git a/modules/calendar/e-cal-shell-view-private.c b/modules/calendar/e-cal-shell-view-private.c
index 412e5a2..29a743b 100644
--- a/modules/calendar/e-cal-shell-view-private.c
+++ b/modules/calendar/e-cal-shell-view-private.c
@@ -92,7 +92,7 @@ cal_shell_view_date_navigator_selection_changed_cb (ECalShellView *cal_shell_vie
 	icaltimezone *timezone;
 	time_t start, end, new_time;
 	gboolean starts_on_week_start_day;
-	gint new_days_shown;
+	gint new_days_shown, old_days_shown;
 	gint week_start_day;
 
 	cal_shell_content = cal_shell_view->priv->cal_shell_content;
@@ -136,6 +136,9 @@ cal_shell_view_date_navigator_selection_changed_cb (ECalShellView *cal_shell_vie
 		g_date_compare (&end_date, &new_end_date) == 0)
 		return;
 
+	old_days_shown =
+		g_date_get_julian (&end_date) -
+		g_date_get_julian (&start_date) + 1;
 	new_days_shown =
 		g_date_get_julian (&new_end_date) -
 		g_date_get_julian (&new_start_date) + 1;
@@ -156,7 +159,10 @@ cal_shell_view_date_navigator_selection_changed_cb (ECalShellView *cal_shell_vie
 
 	/* Switch views as appropriate, and change the number of
 	 * days or weeks shown. */
-	if (new_days_shown > 9) {
+	if (view_type == GNOME_CAL_WORK_WEEK_VIEW && old_days_shown == new_days_shown) {
+		/* keep the work week view when has same days shown */
+		switch_to = GNOME_CAL_WORK_WEEK_VIEW;
+	} else if (new_days_shown > 9) {
 		if (view_type != GNOME_CAL_LIST_VIEW) {
 			ECalendarView *calendar_view;
 
diff --git a/widgets/misc/e-calendar-item.c b/widgets/misc/e-calendar-item.c
index aa666f5..f58259b 100644
--- a/widgets/misc/e-calendar-item.c
+++ b/widgets/misc/e-calendar-item.c
@@ -211,6 +211,7 @@ enum {
 	PROP_MAXIMUM_COLUMNS,
 	PROP_WEEK_START_DAY,
 	PROP_SHOW_WEEK_NUMBERS,
+	PROP_KEEP_WDAYS_ON_WEEKNUM_CLICK,
 	PROP_MAXIMUM_DAYS_SELECTED,
 	PROP_DAYS_TO_START_WEEK_SELECTION,
 	PROP_MOVE_SELECTION_WHEN_MOVING,
@@ -446,6 +447,16 @@ e_calendar_item_class_init (ECalendarItemClass *class)
 
 	g_object_class_install_property (
 		object_class,
+		PROP_KEEP_WDAYS_ON_WEEKNUM_CLICK,
+		g_param_spec_boolean (
+			"keep_wdays_on_weeknum_click",
+			NULL,
+			NULL,
+			FALSE,
+			G_PARAM_READWRITE));
+
+	g_object_class_install_property (
+		object_class,
 		PROP_MAXIMUM_DAYS_SELECTED,
 		g_param_spec_int (
 			"maximum_days_selected",
@@ -549,6 +560,7 @@ e_calendar_item_init (ECalendarItem *calitem)
 	calitem->cols = 0;
 
 	calitem->show_week_numbers = FALSE;
+	calitem->keep_wdays_on_weeknum_click = FALSE;
 	calitem->week_start_day = 0;
 	calitem->expand = TRUE;
 	calitem->max_days_selected = 1;
@@ -678,6 +690,9 @@ e_calendar_item_get_property (GObject *object,
 	case PROP_SHOW_WEEK_NUMBERS:
 		g_value_set_boolean (value, calitem->show_week_numbers);
 		return;
+	case PROP_KEEP_WDAYS_ON_WEEKNUM_CLICK:
+		g_value_set_boolean (value, calitem->keep_wdays_on_weeknum_click);
+		return;
 	case PROP_MAXIMUM_DAYS_SELECTED:
 		g_value_set_int (value, e_calendar_item_get_max_days_sel (calitem));
 		return;
@@ -811,6 +826,9 @@ e_calendar_item_set_property (GObject *object,
 			gnome_canvas_item_request_update (item);
 		}
 		return;
+	case PROP_KEEP_WDAYS_ON_WEEKNUM_CLICK:
+		calitem->keep_wdays_on_weeknum_click = g_value_get_boolean (value);
+		return;
 	case PROP_MAXIMUM_DAYS_SELECTED:
 		ivalue = g_value_get_int (value);
 		e_calendar_item_set_max_days_sel (calitem, ivalue);
@@ -2056,7 +2074,7 @@ static gboolean
 e_calendar_item_button_press	(ECalendarItem	*calitem,
 				 GdkEvent	*event)
 {
-	gint month_offset, day;
+	gint month_offset, day, add_days = 0;
 	gboolean all_week, round_up_end = FALSE, round_down_start = FALSE;
 
 	if (event->button.button == 4)
@@ -2094,12 +2112,30 @@ e_calendar_item_button_press	(ECalendarItem	*calitem,
 				    NULL, event->button.time) != 0)
 		return FALSE;
 
+	if (all_week && calitem->keep_wdays_on_weeknum_click) {
+		gint tmp_start_moff, tmp_start_day;
+
+		tmp_start_moff = calitem->selection_start_month_offset;
+		tmp_start_day = calitem->selection_start_day;
+		e_calendar_item_round_down_selection (calitem, &tmp_start_moff, &tmp_start_day);
+
+		e_calendar_item_round_down_selection (calitem, &month_offset, &day);
+		month_offset += calitem->selection_start_month_offset - tmp_start_moff;
+		day += calitem->selection_start_day - tmp_start_day;
+
+		/* keep same count of days selected */
+		add_days = e_calendar_item_get_inclusive_days (calitem, calitem->selection_start_month_offset, calitem->selection_start_day, calitem->selection_end_month_offset, calitem->selection_end_day) - 1;
+	}
+
 	calitem->selection_set = TRUE;
 	calitem->selection_start_month_offset = month_offset;
 	calitem->selection_start_day = day;
 	calitem->selection_end_month_offset = month_offset;
 	calitem->selection_end_day = day;
 
+	if (add_days > 0)
+		e_calendar_item_add_days_to_selection (calitem, add_days);
+
 	calitem->selection_real_start_month_offset = month_offset;
 	calitem->selection_real_start_day = day;
 
@@ -2107,7 +2143,7 @@ e_calendar_item_button_press	(ECalendarItem	*calitem,
 	calitem->selecting = TRUE;
 	calitem->selection_dragging_end = TRUE;
 
-	if (all_week) {
+	if (all_week && !calitem->keep_wdays_on_weeknum_click) {
 		calitem->selection_from_full_week = TRUE;
 		round_up_end = TRUE;
 	}
@@ -2117,8 +2153,8 @@ e_calendar_item_button_press	(ECalendarItem	*calitem,
 		round_up_end = TRUE;
 	}
 
-	/* Don't round up or down if we can't select a week or more. */
-	if (calitem->max_days_selected < 7) {
+	/* Don't round up or down if we can't select a week or more. Or when keeping week days */
+	if (calitem->max_days_selected < 7 || (all_week && calitem->keep_wdays_on_weeknum_click)) {
 		round_down_start = FALSE;
 		round_up_end = FALSE;
 	}
diff --git a/widgets/misc/e-calendar-item.h b/widgets/misc/e-calendar-item.h
index 34fa3e2..0b07cc7 100644
--- a/widgets/misc/e-calendar-item.h
+++ b/widgets/misc/e-calendar-item.h
@@ -161,6 +161,8 @@ struct _ECalendarItem
 
 	/* Whether we show week nubers. */
 	gboolean show_week_numbers;
+	/* whether to keep same week days selected on week number click */
+	gboolean keep_wdays_on_weeknum_click;
 
 	/* The first day of the week, 0 (Monday) to 6 (Sunday). */
 	gint week_start_day;