diff options
Diffstat (limited to 'calendar/gui/a11y/ea-cal-view.c')
| -rw-r--r-- | calendar/gui/a11y/ea-cal-view.c | 426 |
1 files changed, 426 insertions, 0 deletions
diff --git a/calendar/gui/a11y/ea-cal-view.c b/calendar/gui/a11y/ea-cal-view.c new file mode 100644 index 0000000000..e184b919b9 --- /dev/null +++ b/calendar/gui/a11y/ea-cal-view.c @@ -0,0 +1,426 @@ +/* + * 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-cal-view.h" +#include "ea-calendar-helpers.h" +#include "e-day-view.h" +#include "e-week-view.h" +#include "calendar-commands.h" +#include "goto.h" +#include <glib.h> +#include <glib/gi18n.h> + +static void ea_cal_view_class_init (EaCalViewClass *klass); + +static AtkObject* ea_cal_view_get_parent (AtkObject *accessible); +static void ea_cal_view_real_initialize (AtkObject *accessible, gpointer data); + +static void ea_cal_view_event_changed_cb (ECalendarView *cal_view, + ECalendarViewEvent *event, gpointer data); +static void ea_cal_view_event_added_cb (ECalendarView *cal_view, + ECalendarViewEvent *event, gpointer data); + +static gboolean idle_dates_changed (gpointer data); +static void ea_cal_view_dates_change_cb (GnomeCalendar *gcal, gpointer data); + +static void atk_action_interface_init (AtkActionIface *iface); +static gboolean action_interface_do_action (AtkAction *action, gint i); +static gint action_interface_get_n_actions (AtkAction *action); +static G_CONST_RETURN gchar* +action_interface_get_description(AtkAction *action, gint i); +static G_CONST_RETURN gchar* +action_interface_get_keybinding (AtkAction *action, gint i); +static G_CONST_RETURN gchar* +action_interface_action_get_name(AtkAction *action, gint i); + +static gpointer parent_class = NULL; + +GType +ea_cal_view_get_type (void) +{ + static GType type = 0; + AtkObjectFactory *factory; + GTypeQuery query; + GType derived_atk_type; + + if (!type) { + static GTypeInfo tinfo = { + sizeof (EaCalViewClass), + (GBaseInitFunc) NULL, /* base init */ + (GBaseFinalizeFunc) NULL, /* base finalize */ + (GClassInitFunc) ea_cal_view_class_init, /* class init */ + (GClassFinalizeFunc) NULL, /* class finalize */ + NULL, /* class data */ + sizeof (EaCalView), /* instance size */ + 0, /* nb preallocs */ + (GInstanceInitFunc) NULL, /* instance init */ + NULL /* value table */ + }; + + static const GInterfaceInfo atk_action_info = { + (GInterfaceInitFunc) atk_action_interface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + + /* + * Figure out the size of the class and instance + * we are run-time deriving from (GailWidget, in this case) + */ + + factory = atk_registry_get_factory (atk_get_default_registry (), + GTK_TYPE_WIDGET); + 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, + "EaCalView", &tinfo, 0); + g_type_add_interface_static (type, ATK_TYPE_ACTION, + &atk_action_info); + } + + return type; +} + +static void +ea_cal_view_class_init (EaCalViewClass *klass) +{ + AtkObjectClass *class = ATK_OBJECT_CLASS (klass); + + parent_class = g_type_class_peek_parent (klass); + + class->get_parent = ea_cal_view_get_parent; + class->initialize = ea_cal_view_real_initialize; +} + +AtkObject* +ea_cal_view_new (GtkWidget *widget) +{ + GObject *object; + AtkObject *accessible; + + g_return_val_if_fail (E_IS_CALENDAR_VIEW (widget), NULL); + + object = g_object_new (EA_TYPE_CAL_VIEW, NULL); + + accessible = ATK_OBJECT (object); + atk_object_initialize (accessible, widget); + + return accessible; +} + +static void +ea_cal_view_real_initialize (AtkObject *accessible, gpointer data) +{ + ECalendarView *cal_view; + GnomeCalendar *gcal; + static AtkRole role = ATK_ROLE_INVALID; + + g_return_if_fail (EA_IS_CAL_VIEW (accessible)); + g_return_if_fail (E_IS_CALENDAR_VIEW (data)); + + ATK_OBJECT_CLASS (parent_class)->initialize (accessible, data); + if (role == ATK_ROLE_INVALID) + role = atk_role_register ("Calendar View"); + accessible->role = role; + cal_view = E_CALENDAR_VIEW (data); + + /* add listener for event_changed, event_added + * we don't need to listen on event_removed. When the e_text + * of the event is removed, the cal_view_event will go to the state + * of "defunct" (changed by weak ref callback of atkgobjectaccessible + */ + g_signal_connect (G_OBJECT(cal_view), "event_changed", + G_CALLBACK (ea_cal_view_event_changed_cb), NULL); + g_signal_connect (G_OBJECT(cal_view), "event_added", + G_CALLBACK (ea_cal_view_event_added_cb), NULL); + + /* listen for date changes of calendar */ + gcal = e_calendar_view_get_calendar (cal_view); + + if (gcal) + g_signal_connect (gcal, "dates_shown_changed", + G_CALLBACK (ea_cal_view_dates_change_cb), + accessible); +} + +static AtkObject* +ea_cal_view_get_parent (AtkObject *accessible) +{ + ECalendarView *cal_view; + GnomeCalendar *gnomeCalendar; + + g_return_val_if_fail (EA_IS_CAL_VIEW (accessible), NULL); + + if (!GTK_ACCESSIBLE (accessible)->widget) + return NULL; + cal_view = E_CALENDAR_VIEW (GTK_ACCESSIBLE (accessible)->widget); + + gnomeCalendar = e_calendar_view_get_calendar (cal_view); + + return gtk_widget_get_accessible (GTK_WIDGET(gnomeCalendar)); +} + +static void +ea_cal_view_event_changed_cb (ECalendarView *cal_view, ECalendarViewEvent *event, + gpointer data) +{ + AtkObject *atk_obj; + AtkObject *event_atk_obj = NULL; + + g_return_if_fail (E_IS_CALENDAR_VIEW (cal_view)); + + atk_obj = gtk_widget_get_accessible (GTK_WIDGET(cal_view)); + if (!EA_IS_CAL_VIEW (atk_obj)) + return; + + if ((E_IS_DAY_VIEW (cal_view)) && event && event->canvas_item) { + event_atk_obj = + ea_calendar_helpers_get_accessible_for (event->canvas_item); + } + else if ((E_IS_WEEK_VIEW (cal_view)) && event) { + EWeekViewEventSpan *span; + EWeekViewEvent *week_view_event = (EWeekViewEvent *)event; + EWeekView *week_view = E_WEEK_VIEW (cal_view); + /* get the first span of the event */ + span = &g_array_index (week_view->spans, EWeekViewEventSpan, + week_view_event->spans_index); + if (span && span->text_item) + event_atk_obj = ea_calendar_helpers_get_accessible_for (span->text_item); + } + if (event_atk_obj) { +#ifdef ACC_DEBUG + printf ("AccDebug: event=%p changed\n", (void *)event); +#endif + g_object_notify (G_OBJECT(event_atk_obj), "accessible-name"); + g_signal_emit_by_name (event_atk_obj, "visible_data_changed"); + } + +} + +static void +ea_cal_view_event_added_cb (ECalendarView *cal_view, ECalendarViewEvent *event, + gpointer data) +{ + AtkObject *atk_obj; + AtkObject *event_atk_obj = NULL; + gint index; + + g_return_if_fail (E_IS_CALENDAR_VIEW (cal_view)); + + atk_obj = gtk_widget_get_accessible (GTK_WIDGET(cal_view)); + if (!EA_IS_CAL_VIEW (atk_obj)) + return; + + if ((E_IS_DAY_VIEW (cal_view)) && event && event->canvas_item) { + event_atk_obj = + ea_calendar_helpers_get_accessible_for (event->canvas_item); + } + else if ((E_IS_WEEK_VIEW (cal_view)) && event) { + EWeekViewEventSpan *span; + EWeekViewEvent *week_view_event = (EWeekViewEvent *)event; + EWeekView *week_view = E_WEEK_VIEW (cal_view); + /* get the first span of the event */ + span = &g_array_index (week_view->spans, EWeekViewEventSpan, + week_view_event->spans_index); + if (span && span->text_item) + event_atk_obj = ea_calendar_helpers_get_accessible_for (span->text_item); + + } + if (event_atk_obj) { + index = atk_object_get_index_in_parent (event_atk_obj); + if (index < 0) + return; +#ifdef ACC_DEBUG + printf ("AccDebug: event=%p added\n", (void *)event); +#endif + g_signal_emit_by_name (atk_obj, "children_changed::add", + index, event_atk_obj, NULL); + } +} + +static gboolean +idle_dates_changed (gpointer data) +{ + AtkObject *ea_cal_view; + + g_return_val_if_fail (data, FALSE); + g_return_val_if_fail (EA_IS_CAL_VIEW (data), FALSE); + + ea_cal_view = ATK_OBJECT(data); + + if (ea_cal_view->name) { + g_free (ea_cal_view->name); + ea_cal_view->name = NULL; + } + g_object_notify (G_OBJECT (ea_cal_view), "accessible-name"); + g_signal_emit_by_name (ea_cal_view, "visible_data_changed"); + g_signal_emit_by_name (ea_cal_view, "children_changed", NULL, NULL, NULL); +#ifdef ACC_DEBUG + printf ("AccDebug: cal view date changed\n"); +#endif + + return FALSE; +} + +static void +ea_cal_view_dates_change_cb (GnomeCalendar *gcal, gpointer data) +{ + g_idle_add (idle_dates_changed, data); +} + +/* atk action interface */ + +#define CAL_VIEW_ACTION_NUM 5 + +static const char * action_name [CAL_VIEW_ACTION_NUM] = { + N_("New Appointment"), + N_("New All Day Event"), + N_("New Meeting"), + N_("Go to Today"), + N_("Go to Date") +}; + +static void +atk_action_interface_init (AtkActionIface *iface) +{ + g_return_if_fail (iface != NULL); + + iface->do_action = action_interface_do_action; + iface->get_n_actions = action_interface_get_n_actions; + iface->get_description = action_interface_get_description; + iface->get_keybinding = action_interface_get_keybinding; + iface->get_name = action_interface_action_get_name; +} + +static gboolean +action_interface_do_action (AtkAction *action, gint index) +{ + GtkWidget *widget; + gboolean return_value = TRUE; + time_t dtstart, dtend; + ECalendarView *cal_view; + + widget = GTK_ACCESSIBLE (action)->widget; + if (widget == NULL) + /* + * State is defunct + */ + return FALSE; + + if (!GTK_WIDGET_IS_SENSITIVE (widget) || !GTK_WIDGET_VISIBLE (widget)) + return FALSE; + + cal_view = E_CALENDAR_VIEW (widget); + switch (index) { + case 0: + /* New Appointment */ + e_calendar_view_new_appointment (cal_view); + break; + case 1: + /* New All Day Event */ + e_calendar_view_get_selected_time_range (cal_view, + &dtstart, &dtend); + e_calendar_view_new_appointment_for (cal_view, + dtstart, dtend, TRUE, FALSE); + break; + case 2: + /* New Meeting */ + e_calendar_view_get_selected_time_range (cal_view, + &dtstart, &dtend); + e_calendar_view_new_appointment_for (cal_view, + dtstart, dtend, FALSE, TRUE); + break; + case 3: + /* Go to today */ + break; + calendar_goto_today (e_calendar_view_get_calendar (cal_view)); + case 4: + /* Go to date */ + goto_dialog (e_calendar_view_get_calendar (cal_view)); + break; + default: + return_value = FALSE; + break; + } + return return_value; +} + +static gint +action_interface_get_n_actions (AtkAction *action) +{ + return CAL_VIEW_ACTION_NUM; +} + +static G_CONST_RETURN gchar* +action_interface_get_description(AtkAction *action, gint index) +{ + return action_interface_action_get_name (action, index); +} + +static G_CONST_RETURN gchar* +action_interface_get_keybinding (AtkAction *action, gint index) +{ + GtkWidget *widget; + + widget = GTK_ACCESSIBLE (action)->widget; + if (widget == NULL) + /* + * State is defunct + */ + return NULL; + + if (!GTK_WIDGET_IS_SENSITIVE (widget) || !GTK_WIDGET_VISIBLE (widget)) + return NULL; + + switch (index) { + case 0: + /* New Appointment */ + return "<Alt>fna;<Control>n"; + case 1: + /* New Event */ + return "<Alt>fnd;<Shift><Control>d"; + case 2: + /* New Meeting */ + return "<Alt>fne;<Shift><Control>e"; + case 3: + /* Go to today */ + return "<Alt>vt;<Alt><Control>t"; + case 4: + /* Go to date */ + return "<Alt>vd;<Alt><Control>g"; + default: + break; + } + return NULL; +} + +static G_CONST_RETURN gchar* +action_interface_action_get_name(AtkAction *action, gint i) +{ + if (i >= 0 && i < CAL_VIEW_ACTION_NUM) + return action_name [i]; + return NULL; +} |