/**
* ea_calendar_helpers_get_accessible_for
* @canvas_item: the canvas item for a event or a jump button
*
* Returns: the atk object for the canvas_item
**/
AtkObject *
ea_calendar_helpers_get_accessible_for (GnomeCanvasItem *canvas_item)
{
AtkObject *atk_obj = NULL;
GObject *g_obj;
g_return_val_if_fail ((E_IS_TEXT (canvas_item)) ||
(GNOME_IS_CANVAS_ITEM (canvas_item)), NULL);
g_obj = G_OBJECT (canvas_item);
/* we cannot use atk_gobject_accessible_for_object here,
* EaDayViewEvent/EaWeekViewEvent cannot be created by the
* registered facotry of E_TEXT
*/
atk_obj = g_object_get_data (g_obj, "accessible-object");
if (!atk_obj) {
if (E_IS_TEXT (canvas_item)) {
atk_obj = ea_cal_view_event_new (g_obj);
}
else if (GNOME_IS_CANVAS_PIXBUF (canvas_item)) {
atk_obj = ea_jump_button_new (g_obj);
}
else
return NULL;
}
return atk_obj;
}
/**
* ea_calendar_helpers_get_cal_view_event_from
* @canvas_item: the cavas_item (e_text) for the event
*
* Get the ECalendarViewEvent for the canvas_item.
*
* Returns: the ECalendarViewEvent
**/
ECalendarViewEvent *
ea_calendar_helpers_get_cal_view_event_from (GnomeCanvasItem *canvas_item)
{
ECalendarView *cal_view;
gboolean event_found;
ECalendarViewEvent *cal_view_event;
g_return_val_if_fail (E_IS_TEXT (canvas_item), NULL);
cal_view = ea_calendar_helpers_get_cal_view_from (canvas_item);
if (!cal_view)
return NULL;
if (E_IS_DAY_VIEW (cal_view)) {
gint event_day, event_num;
EDayViewEvent *day_view_event;
EDayView *day_view = E_DAY_VIEW (cal_view);
event_found = e_day_view_find_event_from_item (
day_view, canvas_item,
&event_day, &event_num);
if (!event_found)
return NULL;
if (event_day == E_DAY_VIEW_LONG_EVENT) {
/* a long event */
day_view_event = &g_array_index (day_view->long_events,
EDayViewEvent, event_num);
}
else {
/* a main canvas event */
day_view_event = &g_array_index (day_view->events[event_day],
EDayViewEvent, event_num);
}
cal_view_event = (ECalendarViewEvent *) day_view_event;
}
else if (E_IS_WEEK_VIEW (cal_view)) {
gint event_num, span_num;
EWeekViewEvent *week_view_event;
EWeekView *week_view = E_WEEK_VIEW (cal_view);
event_found = e_week_view_find_event_from_item (
week_view,
canvas_item,
&event_num,
&span_num);
if (!event_found)
return NULL;
week_view_event = &g_array_index (
week_view->events, EWeekViewEvent, event_num);
cal_view_event = (ECalendarViewEvent *) week_view_event;
}
else {
g_return_val_if_reached (NULL);
}
return cal_view_event;
}
/**
* ea_calendar_helpers_get_view_widget_from:
* @canvas_item: the canvas item for a event or a jump button
*
* Get the cal view widget contains the canvas_item.
*
* Returns: the cal view widget if exists
**/
ECalendarView *
ea_calendar_helpers_get_cal_view_from (GnomeCanvasItem *canvas_item)
{
GnomeCanvas *canvas;
GtkWidget *view_widget = NULL;
g_return_val_if_fail (canvas_item, NULL);
g_return_val_if_fail ((E_IS_TEXT (canvas_item)) ||
(GNOME_IS_CANVAS_ITEM (canvas_item)), NULL);
/* canvas_item is the e_text for the event */
/* canvas_item->canvas is the ECanvas for day view */
/* parent of canvas_item->canvas is the EDayView or EWeekView widget */
canvas = canvas_item->canvas;
view_widget = gtk_widget_get_parent (GTK_WIDGET (canvas));
if (view_widget && GTK_IS_BOX (view_widget))
view_widget = gtk_widget_get_parent (view_widget);
if (!view_widget || !E_IS_CALENDAR_VIEW (view_widget))
return NULL;
return E_CALENDAR_VIEW (view_widget);
}
static gboolean
ea_calendar_focus_watcher (GSignalInvocationHint *ihint,
guint n_param_values,
const GValue *param_values,
gpointer data)
{
GObject *object;
GdkEvent *event;
AtkObject *ea_event = NULL;
object = g_value_get_object (param_values + 0);
event = g_value_get_boxed (param_values + 1);
if ((E_IS_TEXT (object)) || (GNOME_IS_CANVAS_PIXBUF (object))) {
/* "event" signal on canvas item
*/
GnomeCanvasItem *canvas_item;
canvas_item = GNOME_CANVAS_ITEM (object);
if (event->type == GDK_FOCUS_CHANGE) {
if (event->focus_change.in) {
ea_event =
ea_calendar_helpers_get_accessible_for (canvas_item);
if (!ea_event)
/* not canvas item we want */
return TRUE;
}
atk_focus_tracker_notify (ea_event);
}
}
else if (E_IS_DAY_VIEW (object)) {
EDayView *day_view = E_DAY_VIEW (object);
if (event->type == GDK_FOCUS_CHANGE) {
if (event->focus_change.in) {
/* give main item chance to emit focus */
gnome_canvas_item_grab_focus (day_view->main_canvas_item);
}
}
}
else if (E_IS_DAY_VIEW_MAIN_ITEM (object)) {
if (event->type == GDK_FOCUS_CHANGE) {
if (event->focus_change.in) {
/* we should emit focus on main item */
ea_event = atk_gobject_accessible_for_object (object);
}
else
/* focus out */
ea_event = NULL;
#ifdef ACC_DEBUG
printf ("EvoAcc: focus notify on day main item %p\n", (void *)object);
#endif
atk_focus_tracker_notify (ea_event);
}
} else if (E_IS_WEEK_VIEW (object)) {
EWeekView *week_view = E_WEEK_VIEW (object);
if (event->type == GDK_FOCUS_CHANGE) {
if (event->focus_change.in) {
/* give main item chance to emit focus */
gnome_canvas_item_grab_focus (week_view->main_canvas_item);
}
}
}
else if (E_IS_WEEK_VIEW_MAIN_ITEM (object)) {
if (event->type == GDK_FOCUS_CHANGE) {
if (event->focus_change.in) {
/* we should emit focus on main item */
ea_event = atk_gobject_accessible_for_object (object);
}
else
/* focus out */
ea_event = NULL;
#ifdef ACC_DEBUG
printf ("EvoAcc: focus notify on week main item %p\n", (void *)object);
#endif
atk_focus_tracker_notify (ea_event);
}
}
return TRUE;
}
