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[evolution-patches] patch for review(45776 calendar keyboard navigation)

Follow your advice
I change those small problem
here is the new patch for review.
In DayView and WeekView, Alt + Arrow Keys with the event is selected, Move a selected event through time lines 

Thanks


? autom4te.cache
? stamp-h1
? help/C/evolution-1.4-C.omf.out
? help/C/omf_timestamp
? libical/src/libicalvcal/vcc.c
Index: calendar/ChangeLog
===================================================================
RCS file: /cvs/gnome/evolution/calendar/ChangeLog,v
retrieving revision 1.1875
diff -u -b -B -r1.1875 ChangeLog
--- calendar/ChangeLog	30 Sep 2003 22:38:59 -0000	1.1875
+++ calendar/ChangeLog	2 Oct 2003 15:46:59 -0000
@@ -1,3 +1,36 @@
+2003-10-3  Andrew Wu <Yang Wu sun com>
+
+ 	*gui/e-cal-view.h
+ 	add a new type "ECalViewMoveDirection".
+ 	add a new virtual method "event_move" for ECalView.
+	
+ 	*gui/e-cal-view.c
+ 	add a new signal "event_move" and it's key binding.
+ 	
+	*gui/e-day-view.h
+ 	add a new property "last_edited_comp_string" for EDayView;
+ 	
+	*gui/e-day-view.c
+ 	(e_day_view_event_move):
+ 	(e_day_view_change_event_time):
+ 	Use "Alt + Arrow" to move a selected event through time lines
+ 	or different days.
+ 	
+	*gui/e-week-view.h
+ 	add a new property "last_edited_comp_string" for EWeekView;
+ 	
+	*gui/e-week-view.c
+ 	(e_week_view_event_move):
+ 	(e_week_view_get_day_offset_of_event):
+ 	(e_week_view_scroll_a_step):
+ 	(e_week_view_change_event_time):
+ 	(e_week_view_move_selection_day):
+ 	(e_week_view_get_adjust_days_for_move_up):
+ 	(e_week_view_get_adjust_days_for_move_down):
+ 	(e_week_view_get_adjust_days_for_move_left):
+ 	(e_week_view_get_adjust_days_for_move_right):
+ 	Use "Alt + Arrow" to move a selected event through different days.
+
 2003-09-30  Mike Kestner <mkestner ximian com>
 
 	* cal-util/cal-util-marshal.list : new VOID:STRING,STRING,STRING
Index: calendar/gui/e-cal-view.c
===================================================================
RCS file: /cvs/gnome/evolution/calendar/gui/e-cal-view.c,v
retrieving revision 1.15
diff -u -b -B -r1.15 e-cal-view.c
--- calendar/gui/e-cal-view.c	20 Aug 2003 12:02:32 -0000	1.15
+++ calendar/gui/e-cal-view.c	2 Oct 2003 15:47:07 -0000
@@ -26,6 +26,8 @@
 #include <gtk/gtkimage.h>
 #include <gtk/gtkinvisible.h>
 #include <gtk/gtkstock.h>
+#include <gdk/gdkkeysyms.h>
+#include <gtk/gtkbindings.h>
 #include <libgnome/gnome-i18n.h>
 #include <gal/util/e-util.h>
 #include "e-util/e-dialog-utils.h"
@@ -85,6 +87,7 @@
 	TIMEZONE_CHANGED,
 	EVENT_CHANGED,
 	EVENT_ADDED,
+	EVENT_MOVE,
 	LAST_SIGNAL
 };
 
@@ -94,6 +97,7 @@
 e_cal_view_class_init (ECalViewClass *klass)
 {
 	GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass);
+	GtkBindingSet *binding_set;
 
 	parent_class = g_type_class_peek_parent (klass);
 
@@ -135,6 +139,16 @@
 			      G_TYPE_NONE, 1,
 			      G_TYPE_POINTER);
 
+	e_cal_view_signals[EVENT_MOVE] =
+		g_signal_new ("event_move",
+			      G_TYPE_FROM_CLASS (klass),
+			      G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
+			      G_STRUCT_OFFSET (ECalViewClass, event_move),
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__INT,
+			      G_TYPE_NONE, 1,
+			      G_TYPE_INT);
+
 	/* Method override */
 	object_class->destroy = e_cal_view_destroy;
 
@@ -147,6 +161,55 @@
 	klass->set_selected_time_range = NULL;
 	klass->get_visible_time_range = NULL;
 	klass->update_query = NULL;
+	klass->event_move =NULL;
+
+	/*
+	 * Key bindings
+	 */
+
+	binding_set = gtk_binding_set_by_class (klass);
+
+	/* Alt+Arrow, move the editing event*/
+	gtk_binding_entry_add_signal (binding_set, GDK_Up,
+				      GDK_MOD1_MASK,
+				      "event_move", 1,
+				      G_TYPE_ENUM,
+				      E_CAL_VIEW_MOVE_UP);
+	gtk_binding_entry_add_signal (binding_set, GDK_KP_Up,
+				      GDK_MOD1_MASK,
+				      "event_move", 1,
+				      G_TYPE_ENUM,
+				      E_CAL_VIEW_MOVE_UP);
+	gtk_binding_entry_add_signal (binding_set, GDK_Down,
+				      GDK_MOD1_MASK,
+				      "event_move", 1,
+				      G_TYPE_ENUM,
+				      E_CAL_VIEW_MOVE_DOWN);
+	gtk_binding_entry_add_signal (binding_set, GDK_KP_Down,
+				      GDK_MOD1_MASK,
+				      "event_move", 1,
+				      G_TYPE_ENUM,
+				      E_CAL_VIEW_MOVE_DOWN);
+	gtk_binding_entry_add_signal (binding_set, GDK_Left,
+				      GDK_MOD1_MASK,
+				      "event_move", 1,
+				      G_TYPE_ENUM,
+				      E_CAL_VIEW_MOVE_LEFT);
+	gtk_binding_entry_add_signal (binding_set, GDK_KP_Left,
+				      GDK_MOD1_MASK,
+				      "event_move", 1,
+				      G_TYPE_ENUM,
+				      E_CAL_VIEW_MOVE_LEFT);
+	gtk_binding_entry_add_signal (binding_set, GDK_Right,
+				      GDK_MOD1_MASK,
+				      "event_move", 1,
+				      G_TYPE_ENUM,
+				      E_CAL_VIEW_MOVE_RIGHT);
+	gtk_binding_entry_add_signal (binding_set, GDK_KP_Right,
+				      GDK_MOD1_MASK,
+				      "event_move", 1,
+				      G_TYPE_ENUM,
+				      E_CAL_VIEW_MOVE_RIGHT);
 
 	/* clipboard atom */
 	if (!clipboard_atom)
Index: calendar/gui/e-cal-view.h
===================================================================
RCS file: /cvs/gnome/evolution/calendar/gui/e-cal-view.h,v
retrieving revision 1.11
diff -u -b -B -r1.11 e-cal-view.h
--- calendar/gui/e-cal-view.h	20 Aug 2003 10:16:59 -0000	1.11
+++ calendar/gui/e-cal-view.h	2 Oct 2003 15:47:08 -0000
@@ -48,6 +48,13 @@
 	E_CAL_VIEW_POS_BOTTOM_EDGE
 } ECalViewPosition;
 
+typedef enum {
+	E_CAL_VIEW_MOVE_UP,
+	E_CAL_VIEW_MOVE_DOWN,
+	E_CAL_VIEW_MOVE_LEFT,
+	E_CAL_VIEW_MOVE_RIGHT
+} ECalViewMoveDirection;
+
 #define E_CAL_VIEW_EVENT_FIELDS \
         GnomeCanvasItem *canvas_item; \
         ECalModelComponent *comp_data; \
@@ -86,6 +93,7 @@
 	void (* set_selected_time_range) (ECalView *cal_view, time_t start_time, time_t end_time);
 	gboolean (* get_visible_time_range) (ECalView *cal_view, time_t *start_time, time_t *end_time);
 	void (* update_query) (ECalView *cal_view);
+	void (* event_move) (ECalView *cal_view, ECalViewMoveDirection direction);
 };
 
 GType          e_cal_view_get_type (void);
Index: calendar/gui/e-day-view.c
===================================================================
RCS file: /cvs/gnome/evolution/calendar/gui/e-day-view.c,v
retrieving revision 1.219
diff -u -b -B -r1.219 e-day-view.c
--- calendar/gui/e-day-view.c	1 Sep 2003 06:15:33 -0000	1.219
+++ calendar/gui/e-day-view.c	2 Oct 2003 15:47:40 -0000
@@ -344,6 +344,8 @@
 static gboolean e_day_view_on_text_item_event (GnomeCanvasItem *item,
 					       GdkEvent *event,
 					       EDayView *day_view);
+static void e_day_view_event_move (EDayView *day_view, ECalViewMoveDirection direction);
+static void e_day_view_change_event_time (EDayView *day_view, time_t start_dt, time_t end_dt);
 static void e_day_view_change_event_end_time_up (EDayView *day_view);
 static void e_day_view_change_event_end_time_down (EDayView *day_view);
 static void e_day_view_on_editing_started (EDayView *day_view,
@@ -478,6 +480,7 @@
 	view_class->set_selected_time_range = e_day_view_set_selected_time_range;
 	view_class->get_visible_time_range = e_day_view_get_visible_time_range;
 	view_class->update_query        = e_day_view_update_query;
+	view_class->event_move          = e_day_view_event_move;
 
 	/* init the accessibility support for e_day_view */
  	e_day_view_a11y_init ();
@@ -575,6 +578,8 @@
 	day_view->resize_bars_event_day = -1;
 	day_view->resize_bars_event_num = -1;
 
+	day_view->last_edited_comp_string = NULL;
+
 	day_view->selection_start_row = -1;
 	day_view->selection_start_day = -1;
 	day_view->selection_end_row = -1;
@@ -3946,6 +3951,9 @@
 		cal_component_set_dtend (comp, &date);
 	}
 
+	cal_component_commit_sequence(comp);
+	day_view->last_edited_comp_string = cal_component_get_as_string (comp);
+
 	gnome_canvas_item_hide (day_view->resize_rect_item);
 	gnome_canvas_item_hide (day_view->resize_bar_item);
 
@@ -4417,12 +4425,17 @@
 
 	for (event_num = 0; event_num < day_view->events[day]->len;
 	     event_num++) {
-		e_day_view_reshape_day_event (day_view, day, event_num);
-		if (event_num == day_view->resize_event_num) {
 			EDayViewEvent *event;
-			event = &g_array_index (day_view->events[day], EDayViewEvent,
-				event_num);
+		gchar *current_comp_string;
+
+		e_day_view_reshape_day_event (day_view, day, event_num);
+		event = &g_array_index (day_view->events[day], EDayViewEvent, event_num);
+		current_comp_string = icalcomponent_as_ical_string (event->comp_data->icalcomp);
+		if (day_view->last_edited_comp_string == NULL)
+			continue;
+		if (strncmp(current_comp_string, day_view->last_edited_comp_string,50) == 0) {			
 			e_canvas_item_grab_focus (event->canvas_item, TRUE);
+			day_view-> last_edited_comp_string = NULL;
 		}
 	}
 }
@@ -5663,6 +5676,153 @@
 	}
 
 	return FALSE;
+}
+
+static void 
+e_day_view_event_move (EDayView *day_view, ECalViewMoveDirection direction)
+{
+	EDayViewEvent *event;
+	gint day, event_num, resize_start_row, resize_end_row;
+	time_t start_dt, end_dt;
+	struct icaltimetype start_time,end_time;
+
+	day = day_view->editing_event_day;
+	event_num = day_view->editing_event_num;
+
+	if ((day == -1) || (day == E_DAY_VIEW_LONG_EVENT))
+		return;
+
+	event = &g_array_index (day_view->events[day], EDayViewEvent,
+				event_num);
+	day_view->resize_event_day = day;
+	day_view->resize_event_num = event_num;
+	day_view->resize_bars_event_day = day;
+	day_view->resize_bars_event_num = event_num;
+	resize_start_row = event->start_minute / day_view->mins_per_row;
+	resize_end_row = (event->end_minute - 1) / day_view->mins_per_row;
+	if (resize_end_row < resize_start_row)
+		resize_end_row = resize_start_row;
+	
+	switch (direction) {
+	case E_CAL_VIEW_MOVE_UP:
+		if (resize_start_row <= 0) return;
+		resize_start_row--;
+		resize_end_row--;
+		start_dt = e_day_view_convert_grid_position_to_time (day_view, day, resize_start_row);
+		end_dt = e_day_view_convert_grid_position_to_time (day_view, day, resize_end_row + 1);		
+		break;
+	case E_CAL_VIEW_MOVE_DOWN:
+		if (resize_end_row >= day_view->rows - 1) return;
+		resize_start_row++;
+		resize_end_row++;
+		start_dt = e_day_view_convert_grid_position_to_time (day_view, day, resize_start_row);
+		end_dt = e_day_view_convert_grid_position_to_time (day_view, day, resize_end_row + 1);		
+		break;
+	case E_CAL_VIEW_MOVE_LEFT:
+		if (day <= 0) 
+			return;
+		start_dt = e_day_view_convert_grid_position_to_time (day_view, day, resize_start_row);
+		end_dt = e_day_view_convert_grid_position_to_time (day_view, day, resize_end_row + 1);
+		start_time = icaltime_from_timet(start_dt, 0);
+		end_time = icaltime_from_timet(end_dt, 0);
+		icaltime_adjust	(&start_time ,-1,0,0,0);
+		icaltime_adjust	(&end_time ,-1,0,0,0);	
+		start_dt = icaltime_as_timet (start_time);
+		end_dt = icaltime_as_timet (end_time);
+		break;
+	case E_CAL_VIEW_MOVE_RIGHT:
+		if (day + 1 >= day_view->days_shown)
+			return;
+		start_dt = e_day_view_convert_grid_position_to_time (day_view, day, resize_start_row);
+		end_dt = e_day_view_convert_grid_position_to_time (day_view, day, resize_end_row + 1);
+		start_time = icaltime_from_timet(start_dt, 0);
+		end_time = icaltime_from_timet(end_dt, 0);
+		icaltime_adjust	(&start_time ,1,0,0,0);
+		icaltime_adjust	(&end_time ,1,0,0,0);	
+		start_dt = icaltime_as_timet (start_time);
+		end_dt = icaltime_as_timet (end_time);
+		break;	
+	default:
+		break;
+	}
+	
+	e_day_view_change_event_time (day_view, start_dt, end_dt);
+	e_day_view_ensure_rows_visible (day_view, resize_start_row, resize_end_row);
+}
+
+static void
+e_day_view_change_event_time (EDayView *day_view, time_t start_dt, time_t end_dt)
+{
+	EDayViewEvent *event;
+	gint day, event_num;
+	CalComponent *comp;
+	CalComponentDateTime date;
+	struct icaltimetype itt;
+	CalClient *client;
+
+	day = day_view->editing_event_day;
+	event_num = day_view->editing_event_num;
+	event = &g_array_index (day_view->events[day], EDayViewEvent,
+				event_num);
+	client = event->comp_data->client;
+
+	/* We use a temporary shallow copy of the ico since we don't want to
+	   change the original ico here. Otherwise we would not detect that
+	   the event's time had changed in the "update_event" callback. */
+	comp = cal_component_new ();
+	cal_component_set_icalcomponent (comp, icalcomponent_new_clone (event->comp_data->icalcomp));
+
+	date.value = &itt;
+	/* FIXME: Should probably keep the timezone of the original start
+	   and end times. */
+	date.tzid = icaltimezone_get_tzid (e_cal_view_get_timezone (E_CAL_VIEW (day_view)));
+	
+	*date.value = icaltime_from_timet_with_zone (start_dt, FALSE,
+						     e_cal_view_get_timezone (E_CAL_VIEW (day_view)));
+	cal_component_set_dtstart (comp, &date);
+	*date.value = icaltime_from_timet_with_zone (end_dt, FALSE,
+						     e_cal_view_get_timezone (E_CAL_VIEW (day_view)));
+	cal_component_set_dtend (comp, &date);
+
+	cal_component_commit_sequence (comp);
+	day_view->last_edited_comp_string = cal_component_get_as_string (comp);
+
+	gnome_canvas_item_hide (day_view->resize_rect_item);
+	gnome_canvas_item_hide (day_view->resize_bar_item);
+
+	/* Hide the horizontal bars. */
+	day_view->resize_bars_event_day = -1;
+	day_view->resize_bars_event_num = -1;
+	gnome_canvas_item_hide (day_view->main_canvas_top_resize_bar_item);
+	gnome_canvas_item_hide (day_view->main_canvas_bottom_resize_bar_item);
+
+	day_view->resize_drag_pos = E_CAL_VIEW_POS_NONE;
+
+	if (cal_component_is_instance (comp)) {
+		CalObjModType mod;
+
+		if (recur_component_dialog (comp, &mod, NULL)) {
+			if (cal_client_update_object_with_mod (client, comp, mod) == CAL_CLIENT_RESULT_SUCCESS) {
+				if (itip_organizer_is_user (comp, client) &&
+				    send_component_dialog ((GtkWindow *) gtk_widget_get_toplevel (GTK_WIDGET (day_view)),
+							   client, comp, FALSE))
+					itip_send_comp (CAL_COMPONENT_METHOD_REQUEST, comp, client, NULL);
+			} else {
+				g_message ("e_day_view_change_event_time(): Could not update the object!");
+			}
+		} else {
+			gtk_widget_queue_draw (day_view->main_canvas);
+		}		
+	} else if (cal_client_update_object (client, comp) == CAL_CLIENT_RESULT_SUCCESS) {
+		if (itip_organizer_is_user (comp, client) &&
+		    send_component_dialog ((GtkWindow *) gtk_widget_get_toplevel (GTK_WIDGET (day_view)), client, comp, FALSE))
+			itip_send_comp (CAL_COMPONENT_METHOD_REQUEST, comp, client, NULL);
+	} else {
+		g_message ("e_day_view_change_event_time(): Could not update the object!");
+	}
+	
+	g_object_unref (comp);
+
 }
 
 static void 
Index: calendar/gui/e-day-view.h
===================================================================
RCS file: /cvs/gnome/evolution/calendar/gui/e-day-view.h,v
retrieving revision 1.51
diff -u -b -B -r1.51 e-day-view.h
--- calendar/gui/e-day-view.h	20 Aug 2003 10:16:59 -0000	1.51
+++ calendar/gui/e-day-view.h	2 Oct 2003 15:47:42 -0000
@@ -415,6 +415,9 @@
 	gint resize_start_row;
 	gint resize_end_row;
 
+	/* This is used to remember the last edited event. */
+	gchar *last_edited_comp_string;
+
 	/* This is the event the mouse button was pressed on. If the button
 	   is released we start editing it, but if the mouse is dragged we set
 	   this to -1. */
Index: calendar/gui/e-week-view.c
===================================================================
RCS file: /cvs/gnome/evolution/calendar/gui/e-week-view.c,v
retrieving revision 1.184
diff -u -b -B -r1.184 e-week-view.c
--- calendar/gui/e-week-view.c	12 Sep 2003 06:58:08 -0000	1.184
+++ calendar/gui/e-week-view.c	2 Oct 2003 15:47:53 -0000
@@ -176,16 +176,21 @@
 static gboolean e_week_view_on_text_item_event (GnomeCanvasItem *item,
 						GdkEvent *event,
 						EWeekView *week_view);
+static void e_week_view_event_move (EWeekView *week_view, ECalViewMoveDirection direction);
+static gint e_week_view_get_day_offset_of_event (EWeekView *week_view, time_t event_time);
+static void e_week_view_scroll_a_step (EWeekView *week_view, ECalViewMoveDirection direction);
+static void e_week_view_change_event_time (EWeekView *week_view, time_t start_dt, time_t end_dt);
 static gboolean e_week_view_on_jump_button_event (GnomeCanvasItem *item,
 						  GdkEvent *event,
 						  EWeekView *week_view);
 static gboolean e_week_view_key_press (GtkWidget *widget, GdkEventKey *event);
 static gboolean e_week_view_do_key_press (GtkWidget *widget,
 					  GdkEventKey *event);
-static void e_week_view_on_key_up (EWeekView *week_view, GdkEventKey *event);
-static void e_week_view_on_key_down (EWeekView *week_view, GdkEventKey *event);
-static void e_week_view_on_key_left (EWeekView *week_view, GdkEventKey *event);
-static void e_week_view_on_key_right (EWeekView *week_view, GdkEventKey *event);
+static void e_week_view_move_selection_day (EWeekView *week_view, ECalViewMoveDirection direction);
+static gint e_week_view_get_adjust_days_for_move_up (EWeekView *week_view,gint current_day);
+static gint e_week_view_get_adjust_days_for_move_down (EWeekView *week_view,gint current_day);
+static gint e_week_view_get_adjust_days_for_move_left (EWeekView *week_view,gint current_day);
+static gint e_week_view_get_adjust_days_for_move_right (EWeekView *week_view,gint current_day);
 static gboolean e_week_view_popup_menu (GtkWidget *widget);
 
 static gboolean e_week_view_update_event_cb (EWeekView *week_view,
@@ -236,6 +241,7 @@
 	view_class->set_selected_time_range = e_week_view_set_selected_time_range;
 	view_class->get_visible_time_range = e_week_view_get_visible_time_range;
 	view_class->update_query        = e_week_view_update_query;
+	view_class->event_move          = e_week_view_event_move;
 
 	/* init the accessibility support for e_week_view */
 	e_week_view_a11y_init ();
@@ -310,6 +316,8 @@
 	week_view->pressed_event_num = -1;
 	week_view->editing_event_num = -1;
 
+	week_view->last_edited_comp_string = NULL;
+
 	week_view->main_gc = NULL;
 
 	week_view->default_category = NULL;
@@ -2424,8 +2432,20 @@
 		event = &g_array_index (week_view->events, EWeekViewEvent,
 					event_num);
 		for (span_num = 0; span_num < event->num_spans; span_num++) {
+			gchar *current_comp_string;
+
 			e_week_view_reshape_event_span (week_view, event_num,
 							span_num);
+			current_comp_string = icalcomponent_as_ical_string (event->comp_data->icalcomp);
+			if (week_view->last_edited_comp_string == NULL)
+				continue;
+			if (strncmp (current_comp_string, week_view->last_edited_comp_string,50) == 0) {			
+				EWeekViewEventSpan *span;
+				span = &g_array_index (week_view->spans, EWeekViewEventSpan,
+						       event->spans_index + span_num);	
+				e_canvas_item_grab_focus (span->text_item, TRUE);
+				week_view->last_edited_comp_string = NULL;
+			}
 		}
 	}
 
@@ -3007,6 +3027,168 @@
 	return FALSE;
 }
 
+static void e_week_view_event_move (EWeekView *week_view, ECalViewMoveDirection direction)
+{
+	EWeekViewEvent *event;
+	gint event_num, span_num, adjust_days, current_start_day, current_end_day;
+	time_t start_dt, end_dt;
+	struct icaltimetype start_time,end_time;
+
+	event_num = week_view->editing_event_num;
+	span_num = week_view->editing_span_num;
+	adjust_days = 0;
+
+	/* If no item is being edited, just return. */
+	if (event_num == -1)
+		return;
+
+	event = &g_array_index (week_view->events, EWeekViewEvent, event_num);
+	start_dt = event->start;
+	end_dt = event->end;
+	start_time = icaltime_from_timet (start_dt, 0);
+	end_time = icaltime_from_timet (end_dt, 0);
+	current_end_day = e_week_view_get_day_offset_of_event (week_view,end_dt); 
+
+	switch (direction) {
+	case E_CAL_VIEW_MOVE_UP:
+		adjust_days = e_week_view_get_adjust_days_for_move_up (week_view,current_end_day);
+		break;
+	case E_CAL_VIEW_MOVE_DOWN:
+		adjust_days = e_week_view_get_adjust_days_for_move_down (week_view,current_end_day);
+		break;
+	case E_CAL_VIEW_MOVE_LEFT:
+		adjust_days = e_week_view_get_adjust_days_for_move_left (week_view,current_end_day);
+		break;
+	case E_CAL_VIEW_MOVE_RIGHT:
+		adjust_days = e_week_view_get_adjust_days_for_move_right (week_view,current_end_day);
+		break;	
+	default:
+		break;
+	}
+	
+	icaltime_adjust	(&start_time ,adjust_days,0,0,0);
+	icaltime_adjust	(&end_time ,adjust_days,0,0,0);
+	start_dt = icaltime_as_timet (start_time);
+	end_dt = icaltime_as_timet (end_time);
+
+	current_start_day = e_week_view_get_day_offset_of_event (week_view,start_dt);
+	current_end_day = e_week_view_get_day_offset_of_event (week_view,end_dt);
+
+	if (current_start_day < 0) {
+		return;
+	}
+	if (week_view->multi_week_view) {
+		if (current_end_day > week_view->weeks_shown * 7) {
+			return;
+		}
+	}else {
+		if (current_end_day > 7) {
+			return;
+		}
+	}
+	
+	e_week_view_change_event_time (week_view, start_dt, end_dt);
+}
+
+static gint
+e_week_view_get_day_offset_of_event (EWeekView *week_view, time_t event_time)
+{
+	struct tm first_day_shown_tm = {0};
+	struct tm *event_time_tm;
+
+	event_time_tm = NULL;
+
+	g_date_to_struct_tm (&(week_view->first_day_shown), &first_day_shown_tm);
+	event_time_tm = gmtime (&event_time);
+	return (event_time_tm->tm_yday - first_day_shown_tm.tm_yday);
+}
+
+static void
+e_week_view_scroll_a_step (EWeekView *week_view, ECalViewMoveDirection direction)
+{
+	GtkAdjustment *adj = GTK_RANGE (week_view->vscrollbar)->adjustment;
+	gfloat new_value;
+	
+	switch (direction){
+	case E_CAL_VIEW_MOVE_UP:
+		new_value = adj->value - adj->step_increment;
+		break;
+	case E_CAL_VIEW_MOVE_DOWN:
+		new_value = adj->value + adj->step_increment;
+		break;
+	default:
+		break;
+	}
+	
+	new_value = CLAMP (new_value, adj->lower, adj->upper - adj->page_size);
+	gtk_adjustment_set_value (adj, new_value);
+}
+
+static void
+e_week_view_change_event_time (EWeekView *week_view, time_t start_dt, time_t end_dt)
+{
+	EWeekViewEvent *event;
+	gint event_num;
+	CalComponent *comp;
+	CalComponentDateTime date;
+	struct icaltimetype itt;
+	CalClient *client;
+
+	event_num = week_view->editing_event_num;
+
+	/* If no item is being edited, just return. */
+	if (event_num == -1)
+		return;
+
+	event = &g_array_index (week_view->events, EWeekViewEvent, event_num);
+	client = event->comp_data->client;
+
+	/* We use a temporary shallow copy of the ico since we don't want to
+	   change the original ico here. Otherwise we would not detect that
+	   the event's time had changed in the "update_event" callback. */
+	comp = cal_component_new ();
+	cal_component_set_icalcomponent (comp, icalcomponent_new_clone (event->comp_data->icalcomp));
+	date.value = &itt;
+	/* FIXME: Should probably keep the timezone of the original start
+	   and end times. */
+	date.tzid = icaltimezone_get_tzid (e_cal_view_get_timezone (E_CAL_VIEW (week_view)));
+	
+	*date.value = icaltime_from_timet_with_zone (start_dt, FALSE,
+						     e_cal_view_get_timezone (E_CAL_VIEW (week_view)));
+	cal_component_set_dtstart (comp, &date);
+	*date.value = icaltime_from_timet_with_zone (end_dt, FALSE,
+						     e_cal_view_get_timezone (E_CAL_VIEW (week_view)));
+	cal_component_set_dtend (comp, &date);
+
+	cal_component_commit_sequence (comp);
+	week_view->last_edited_comp_string = cal_component_get_as_string (comp);
+
+	if (cal_component_is_instance (comp)) {
+		CalObjModType mod;
+
+		if (recur_component_dialog (comp, &mod, NULL)) {
+			if (cal_client_update_object_with_mod (client, comp, mod) == CAL_CLIENT_RESULT_SUCCESS) {
+				if (itip_organizer_is_user (comp, client) &&
+				    send_component_dialog ((GtkWindow *) gtk_widget_get_toplevel (GTK_WIDGET (week_view)),
+							   client, comp, FALSE))
+					itip_send_comp (CAL_COMPONENT_METHOD_REQUEST, comp, client, NULL);
+			} else {
+				g_message ("e_week_view_change_event_time(): Could not update the object!");
+			}
+		} else {
+			gtk_widget_queue_draw (week_view->main_canvas);
+		}		
+	} else if (cal_client_update_object (client, comp) == CAL_CLIENT_RESULT_SUCCESS) {
+		if (itip_organizer_is_user (comp, client) &&
+		    send_component_dialog ((GtkWindow *) gtk_widget_get_toplevel (GTK_WIDGET (week_view)), client, comp, FALSE))
+			itip_send_comp (CAL_COMPONENT_METHOD_REQUEST, comp, client, NULL);
+	} else {
+		g_message ("e_week_view_change_event_time(): Could not update the object!");
+	}
+
+	g_object_unref (comp);
+}
+
 
 static void
 e_week_view_on_editing_started (EWeekView *week_view,
@@ -3257,22 +3439,26 @@
 #endif
 
 	/*Navigation through days with arrow keys*/
+	if (!((event->state & GDK_SHIFT_MASK)
+	      ||(event->state & GDK_CONTROL_MASK)
+	      ||(event->state & GDK_MOD1_MASK))) {
 	switch (event->keyval) {
 	case GDK_Up:
-		e_week_view_on_key_up (week_view, event);
+			e_week_view_move_selection_day (week_view,E_CAL_VIEW_MOVE_UP);
 		return TRUE;
 	case GDK_Down:
-		e_week_view_on_key_down (week_view, event);
+			e_week_view_move_selection_day (week_view,E_CAL_VIEW_MOVE_DOWN);
 		return TRUE;	
 	case GDK_Left:
-		e_week_view_on_key_left (week_view, event);
+			e_week_view_move_selection_day (week_view,E_CAL_VIEW_MOVE_LEFT);
 		return TRUE;
 	case GDK_Right:
-		e_week_view_on_key_right (week_view, event);
+			e_week_view_move_selection_day (week_view,E_CAL_VIEW_MOVE_RIGHT);
 		return TRUE;
 	default:
 		break;
 	}
+	}
 
 	if (week_view->selection_start_day == -1)
 		return FALSE;
@@ -3337,9 +3523,8 @@
 
 	return TRUE;
 }
-
 static void 
-e_week_view_on_key_up (EWeekView *week_view, GdkEventKey *event)
+e_week_view_move_selection_day (EWeekView *week_view, ECalViewMoveDirection direction)
 {
 	gint selection_start_day, selection_end_day;
  
@@ -3350,61 +3535,36 @@
 		selection_start_day = 0;	  
 		selection_end_day = 0;
 	}
-		
-	if (week_view->multi_week_view) {
-		if (selection_end_day < 7) {
-			g_date_subtract_days (&(week_view->first_day_shown), 7);
-		} else
-			selection_end_day -= 7;			
-	}
-	else {
-		if (selection_start_day == selection_end_day) {
-			if (selection_end_day == 0) {
-				g_date_subtract_days (&(week_view->first_day_shown), 7);
-				selection_end_day = 6;
-			} else
-				selection_end_day--;
-		} else {
-			selection_end_day =
-				(selection_start_day + selection_end_day)/2;
-		}
+	switch (direction) {
+	case E_CAL_VIEW_MOVE_UP:
+		selection_end_day += e_week_view_get_adjust_days_for_move_up (week_view,selection_end_day);
+		break;
+	case E_CAL_VIEW_MOVE_DOWN:
+		selection_end_day += e_week_view_get_adjust_days_for_move_down (week_view,selection_end_day);
+		break;
+	case E_CAL_VIEW_MOVE_LEFT:
+		selection_end_day += e_week_view_get_adjust_days_for_move_left (week_view,selection_end_day);
+		break;
+	case E_CAL_VIEW_MOVE_RIGHT:
+		selection_end_day += e_week_view_get_adjust_days_for_move_right (week_view,selection_end_day);
+		break;
+	default:
+		break;
 	} 
 
-	week_view->selection_start_day = selection_end_day;
-	week_view->selection_end_day = selection_end_day;
-
-	gtk_widget_queue_draw (week_view->main_canvas);
-}
-
-static void 
-e_week_view_on_key_down (EWeekView *week_view, GdkEventKey *event)
-{
-	gint selection_start_day, selection_end_day;
- 
-	selection_start_day = week_view->selection_start_day;
-	selection_end_day = week_view->selection_end_day;
-
-	if (selection_start_day == -1) { 
-		selection_start_day = 0;	  
-		selection_end_day = 0;
+	if (selection_end_day < 0) {
+		e_week_view_scroll_a_step(week_view, E_CAL_VIEW_MOVE_UP);
+		selection_end_day +=7;
 	}
-		
 	if (week_view->multi_week_view) {
-		if ((selection_end_day+7) / 7 >= week_view->weeks_shown) {
-			g_date_add_days (&(week_view->first_day_shown), 7);
-		} else
-			selection_end_day += 7;			
-	}
-	else {
-		if (selection_start_day == selection_end_day) {
-			if (selection_end_day == 6) {
-				g_date_add_days (&(week_view->first_day_shown), 7);
-				selection_end_day = 0;
-			} else
-				selection_end_day++;
-		} else {
-			selection_end_day =
-				(selection_start_day + selection_end_day)/2;
+		if (selection_end_day >= week_view->weeks_shown * 7) {
+		e_week_view_scroll_a_step(week_view, E_CAL_VIEW_MOVE_DOWN);
+		selection_end_day -=7;
+		}
+	}else {
+		if (selection_end_day >= 7) {
+			e_week_view_scroll_a_step(week_view, E_CAL_VIEW_MOVE_DOWN);
+			selection_end_day -=7;
 		}
 	} 
 
@@ -3412,103 +3572,37 @@
 	week_view->selection_end_day = selection_end_day;
 
 	gtk_widget_queue_draw (week_view->main_canvas);
+
 }
 
-static void 
-e_week_view_on_key_left (EWeekView *week_view, GdkEventKey *event)
+static gint
+e_week_view_get_adjust_days_for_move_up (EWeekView *week_view,gint current_day)
 {
-	gint selection_start_day, selection_end_day;
- 
-	selection_start_day = week_view->selection_start_day;
-	selection_end_day = week_view->selection_end_day;
-
-	if (selection_start_day == -1) { 
-		selection_start_day = 0;	  
-		selection_end_day = 0;
-	}
-		
-	if (week_view->multi_week_view) {
-		if (selection_end_day == 0) {
-			g_date_subtract_days (&(week_view->first_day_shown), 7);
-			selection_end_day = 6;
-		} else
-			selection_end_day -= 1;			
-	}
-	else {
-			switch (selection_end_day) {
-			case 0: 
-			case 1:
-			case 2:
-				g_date_subtract_days (&(week_view->first_day_shown), 7);
-				selection_end_day += 3;
-				break;
-			case 3: 
-			case 4:
-			case 5:
-				selection_end_day -= 3;
-				break;
-			case 6:
-				selection_end_day -= 4;
-				break;
-			default:
-				break;
-			}
-	} 
-
-	week_view->selection_start_day = selection_end_day;
-	week_view->selection_end_day = selection_end_day;
-
-	gtk_widget_queue_draw (week_view->main_canvas);
-
+	if (week_view->multi_week_view)
+		return -7;
+	else
+		return 0;
 }
 
-static void 
-e_week_view_on_key_right (EWeekView *week_view, GdkEventKey *event)
+static gint
+e_week_view_get_adjust_days_for_move_down (EWeekView *week_view,gint current_day)
 {
+	if (week_view->multi_week_view)
+		return 7;
+	else 
+		return 0;
+}
 
-	gint selection_start_day, selection_end_day;
- 
-	selection_start_day = week_view->selection_start_day;
-	selection_end_day = week_view->selection_end_day;
-
-	if (selection_start_day == -1) { 
-		selection_start_day = 0;	  
-		selection_end_day = 0;
-	}
-		
-	if (week_view->multi_week_view) {
-		if (selection_end_day == week_view->weeks_shown*7 -1 ) {
-			g_date_add_days (&(week_view->first_day_shown), 7);
-			selection_end_day -= 6;
-		} else
-			selection_end_day++;			
-	}
-	else {
-			switch (selection_end_day) {
-			case 0: 
-			case 1:
-			case 2:				
-				selection_end_day += 3;
-				break;
-			case 3: 
-			case 4:
-			case 5:
-				g_date_add_days (&(week_view->first_day_shown), 7);
-				selection_end_day -= 3;
-				break;
-			case 6:
-				g_date_add_days (&(week_view->first_day_shown), 7);
-				selection_end_day -= 4;
-				break;
-			default:
-				break;
-			}
-	} 
-
-	week_view->selection_start_day = selection_end_day;
-	week_view->selection_end_day = selection_end_day;
+static gint
+e_week_view_get_adjust_days_for_move_left (EWeekView *week_view,gint current_day)
+{
+	return -1;			
+}
 
-	gtk_widget_queue_draw (week_view->main_canvas);
+static gint
+e_week_view_get_adjust_days_for_move_right (EWeekView *week_view,gint current_day)
+{
+	return 1;			
 }
 
 static gboolean
Index: calendar/gui/e-week-view.h
===================================================================
RCS file: /cvs/gnome/evolution/calendar/gui/e-week-view.h,v
retrieving revision 1.47
diff -u -b -B -r1.47 e-week-view.h
--- calendar/gui/e-week-view.h	12 Sep 2003 06:58:08 -0000	1.47
+++ calendar/gui/e-week-view.h	2 Oct 2003 15:47:55 -0000
@@ -319,6 +319,9 @@
 	gint editing_event_num;
 	gint editing_span_num;
 
+	/* This is used to remember the last edited event. */
+	gchar *last_edited_comp_string;
+
 	/* The event that the context menu is for. */
 	gint popup_event_num;
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