diff options
Diffstat (limited to 'calendar/gui/ea-week-view.c')
| -rw-r--r-- | calendar/gui/ea-week-view.c | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/calendar/gui/ea-week-view.c b/calendar/gui/ea-week-view.c new file mode 100644 index 0000000000..97a8dae25d --- /dev/null +++ b/calendar/gui/ea-week-view.c @@ -0,0 +1,321 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Bolian Yin <bolian.yin@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include "ea-week-view.h" +#include "ea-cal-view-event.h" +#include "ea-calendar-helpers.h" +#include "ea-gnome-calendar.h" +#include "calendar-commands.h" +#include <text/e-text.h> +#include <glib/gi18n.h> + +static void ea_week_view_class_init (EaWeekViewClass *klass); + +static G_CONST_RETURN gchar * ea_week_view_get_name (AtkObject *accessible); +static G_CONST_RETURN gchar * ea_week_view_get_description (AtkObject *accessible); +static gint ea_week_view_get_n_children (AtkObject *obj); +static AtkObject* ea_week_view_ref_child (AtkObject *obj, + gint i); + +static gpointer parent_class = NULL; + +GType +ea_week_view_get_type (void) +{ + static GType type = 0; + AtkObjectFactory *factory; + GTypeQuery query; + GType derived_atk_type; + + if (!type) { + static GTypeInfo tinfo = { + sizeof (EaWeekViewClass), + (GBaseInitFunc) NULL, /* base init */ + (GBaseFinalizeFunc) NULL, /* base finalize */ + (GClassInitFunc) ea_week_view_class_init, /* class init */ + (GClassFinalizeFunc) NULL, /* class finalize */ + NULL, /* class data */ + sizeof (EaWeekView), /* instance size */ + 0, /* nb preallocs */ + (GInstanceInitFunc) NULL, /* instance init */ + NULL /* value table */ + }; + + /* + * Figure out the size of the class and instance + * we are run-time deriving from (EaCalView, in this case) + * + * Note: we must still use run-time deriving here, because + * our parent class EaCalView is run-time deriving. + */ + + factory = atk_registry_get_factory (atk_get_default_registry (), + e_calendar_view_get_type()); + derived_atk_type = atk_object_factory_get_accessible_type (factory); + g_type_query (derived_atk_type, &query); + + tinfo.class_size = query.class_size; + tinfo.instance_size = query.instance_size; + + type = g_type_register_static (derived_atk_type, + "EaWeekView", &tinfo, 0); + + } + + return type; +} + +static void +ea_week_view_class_init (EaWeekViewClass *klass) +{ + AtkObjectClass *class = ATK_OBJECT_CLASS (klass); + + parent_class = g_type_class_peek_parent (klass); + + class->get_name = ea_week_view_get_name; + class->get_description = ea_week_view_get_description; + + class->get_n_children = ea_week_view_get_n_children; + class->ref_child = ea_week_view_ref_child; +} + +AtkObject* +ea_week_view_new (GtkWidget *widget) +{ + GObject *object; + AtkObject *accessible; + + g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL); + + object = g_object_new (EA_TYPE_WEEK_VIEW, NULL); + + accessible = ATK_OBJECT (object); + atk_object_initialize (accessible, widget); + +#ifdef ACC_DEBUG + printf ("EvoAcc: ea_week_view created %p\n", (gpointer)accessible); +#endif + + return accessible; +} + +static G_CONST_RETURN gchar * +ea_week_view_get_name (AtkObject *accessible) +{ + EWeekView *week_view; + GnomeCalendar *gcal; + const gchar *label_text; + GnomeCalendarViewType view_type; + gint n_events; + gchar *event_str, *name_str; + + g_return_val_if_fail (EA_IS_WEEK_VIEW (accessible), NULL); + + if (!GTK_ACCESSIBLE (accessible)->widget) + return NULL; + + week_view = E_WEEK_VIEW (GTK_ACCESSIBLE (accessible)->widget); + gcal = e_calendar_view_get_calendar (E_CALENDAR_VIEW (week_view)); + if (!GTK_WIDGET_VISIBLE (GTK_WIDGET (gcal))) + return NULL; + + label_text = ea_gnome_calendar_get_label_description (gcal); + + n_events = atk_object_get_n_accessible_children (accessible); + /* the child main item is always there */ + --n_events; + if (n_events >= 1) + event_str = g_strdup_printf (ngettext ("It has %d event.", "It has %d events.", n_events), n_events); + else + event_str = g_strdup (_("It has no events.")); + + view_type = gnome_calendar_get_view (gcal); + + if (view_type == GNOME_CAL_MONTH_VIEW) + name_str = g_strdup_printf (_("Month View: %s. %s"), + label_text, event_str); + + else + name_str = g_strdup_printf (_("Week View: %s. %s"), + label_text, event_str); + + ATK_OBJECT_CLASS (parent_class)->set_name (accessible, name_str); + g_free (name_str); + g_free (event_str); + + return accessible->name; +} + +static G_CONST_RETURN gchar * +ea_week_view_get_description (AtkObject *accessible) +{ + EWeekView *week_view; + + g_return_val_if_fail (EA_IS_WEEK_VIEW (accessible), NULL); + + if (!GTK_ACCESSIBLE (accessible)->widget) + return NULL; + week_view = E_WEEK_VIEW (GTK_ACCESSIBLE (accessible)->widget); + + if (accessible->description) + return accessible->description; + else { + GnomeCalendar *gcal; + GnomeCalendarViewType view_type; + + gcal = e_calendar_view_get_calendar (E_CALENDAR_VIEW (week_view)); + view_type = gnome_calendar_get_view (gcal); + + if (view_type == GNOME_CAL_MONTH_VIEW) + return _("calendar view for a month"); + else + return _("calendar view for one or more weeks"); + } +} + +static gint +ea_week_view_get_n_children (AtkObject *accessible) +{ + EWeekView *week_view; + gint i, count = 0; + gint event_index; + + g_return_val_if_fail (EA_IS_WEEK_VIEW (accessible), -1); + + if (!GTK_ACCESSIBLE (accessible)->widget) + return -1; + week_view = E_WEEK_VIEW (GTK_ACCESSIBLE (accessible)->widget); + + for (event_index = 0; event_index < week_view->events->len; + ++event_index) { + EWeekViewEvent *event; + EWeekViewEventSpan *span; + + /* If week_view->spans == NULL, there is no visible events. */ + if (!week_view->spans) + break; + + event = &g_array_index (week_view->events, + EWeekViewEvent, event_index); + if (!event) + continue; + span = &g_array_index (week_view->spans, EWeekViewEventSpan, + event->spans_index + 0); + + if (!span) + continue; + + /* at least one of the event spans is visible, count it */ + if (span->text_item) + ++count; + } + + /* add the number of visible jump buttons */ + for (i = 0; i < E_WEEK_VIEW_MAX_WEEKS * 7; i++) { + if (week_view->jump_buttons[i]->object.flags & GNOME_CANVAS_ITEM_VISIBLE) + ++count; + } + + /* "+1" for the main item */ + count++; + +#ifdef ACC_DEBUG + printf("AccDebug: week view %p has %d children\n", (gpointer)week_view, count); +#endif + return count; +} + +static AtkObject * +ea_week_view_ref_child (AtkObject *accessible, gint index) +{ + EWeekView *week_view; + gint child_num, max_count; + AtkObject *atk_object = NULL; + gint event_index; + gint jump_button = -1; + gint span_num = 0; + gint count = 0; + + g_return_val_if_fail (EA_IS_WEEK_VIEW (accessible), NULL); + + child_num = atk_object_get_n_accessible_children (accessible); + if (child_num <= 0 || index < 0 || index >= child_num) + return NULL; + + if (!GTK_ACCESSIBLE (accessible)->widget) + return NULL; + week_view = E_WEEK_VIEW (GTK_ACCESSIBLE (accessible)->widget); + max_count = week_view->events->len; + + if (index == 0) { + /* index == 0 is the main item */ + atk_object = atk_gobject_accessible_for_object (G_OBJECT (week_view->main_canvas_item)); + g_object_ref (atk_object); + } else + for (event_index = 0; event_index < max_count; ++event_index) { + EWeekViewEvent *event; + EWeekViewEventSpan *span; + gint current_day; + + event = &g_array_index (week_view->events, + EWeekViewEvent, event_index); + if (!event) + continue; + + span = &g_array_index (week_view->spans, EWeekViewEventSpan, + event->spans_index + span_num); + + if (!span) + continue; + + current_day = span->start_day; + if (span->text_item) + ++count; + else if (current_day != jump_button) { + /* we should go to the jump button */ + jump_button = current_day; + ++count; + } + else + continue; + + if (count == index) { + if (span->text_item) { + /* Not use atk_gobject_accessible_for_object for event + * text_item we need to do special thing here + */ + atk_object = ea_calendar_helpers_get_accessible_for (span->text_item); + } + else { + atk_object = ea_calendar_helpers_get_accessible_for (week_view->jump_buttons[current_day == -1 ? 0 : current_day]); + } + g_object_ref (atk_object); + break; + } + } + +#ifdef ACC_DEBUG + printf ("EvoAcc: ea_week_view_ref_child [%d]=%p\n", + index, (gpointer)atk_object); +#endif + return atk_object; +} |