diff options
Diffstat (limited to 'a11y/widgets/ea-calendar-item.c')
| -rw-r--r-- | a11y/widgets/ea-calendar-item.c | 1247 |
1 files changed, 0 insertions, 1247 deletions
diff --git a/a11y/widgets/ea-calendar-item.c b/a11y/widgets/ea-calendar-item.c deleted file mode 100644 index 6170e7f50c..0000000000 --- a/a11y/widgets/ea-calendar-item.c +++ /dev/null @@ -1,1247 +0,0 @@ -/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* vim:expandtab:shiftwidth=8:tabstop=8: - */ -/* Evolution Accessibility: ea-calendar-item.c - * - * Copyright (C) 2003 Ximian, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * 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 - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - * - * Author: Bolian Yin <bolian.yin@sun.com> Sun Microsystem Inc., 2003 - * - */ - -#include <stdio.h> -#include <time.h> -#include <string.h> -#include <libgnomecanvas/gnome-canvas.h> -#include <glib/gdate.h> -#include "ea-calendar-item.h" -#include "ea-calendar-cell.h" -#include "ea-cell-table.h" - -#define EA_CALENDAR_COLUMN_NUM E_CALENDAR_COLS_PER_MONTH - -/* EaCalendarItem */ -static void ea_calendar_item_class_init (EaCalendarItemClass *klass); -static void ea_calendar_item_finalize (GObject *object); - -static G_CONST_RETURN gchar* ea_calendar_item_get_name (AtkObject *accessible); -static G_CONST_RETURN gchar* ea_calendar_item_get_description (AtkObject *accessible); -static gint ea_calendar_item_get_n_children (AtkObject *accessible); -static AtkObject *ea_calendar_item_ref_child (AtkObject *accessible, gint index); - -/* atk table interface */ -static void atk_table_interface_init (AtkTableIface *iface); -static gint table_interface_get_index_at (AtkTable *table, - gint row, - gint column); -static gint table_interface_get_column_at_index (AtkTable *table, - gint index); -static gint table_interface_get_row_at_index (AtkTable *table, - gint index); -static AtkObject* table_interface_ref_at (AtkTable *table, - gint row, - gint column); -static gint table_interface_get_n_rows (AtkTable *table); -static gint table_interface_get_n_columns (AtkTable *table); -static gint table_interface_get_column_extent_at (AtkTable *table, - gint row, - gint column); -static gint table_interface_get_row_extent_at (AtkTable *table, - gint row, - gint column); - -static gboolean table_interface_is_row_selected (AtkTable *table, - gint row); -static gboolean table_interface_is_column_selected (AtkTable *table, - gint row); -static gboolean table_interface_is_selected (AtkTable *table, - gint row, - gint column); -static gint table_interface_get_selected_rows (AtkTable *table, - gint **rows_selected); -static gint table_interface_get_selected_columns (AtkTable *table, - gint **columns_selected); -static gboolean table_interface_add_row_selection (AtkTable *table, gint row); -static gboolean table_interface_remove_row_selection (AtkTable *table, - gint row); -static gboolean table_interface_add_column_selection (AtkTable *table, - gint column); -static gboolean table_interface_remove_column_selection (AtkTable *table, - gint column); -static AtkObject* table_interface_get_row_header (AtkTable *table, gint row); -static AtkObject* table_interface_get_column_header (AtkTable *table, - gint in_col); -static AtkObject* table_interface_get_caption (AtkTable *table); - -static G_CONST_RETURN gchar* -table_interface_get_column_description (AtkTable *table, gint in_col); - -static G_CONST_RETURN gchar* -table_interface_get_row_description (AtkTable *table, gint row); - -static AtkObject* table_interface_get_summary (AtkTable *table); - -/* atk selection interface */ -static void atk_selection_interface_init (AtkSelectionIface *iface); -static gboolean selection_interface_add_selection (AtkSelection *selection, - gint i); -static gboolean selection_interface_clear_selection (AtkSelection *selection); -static AtkObject* selection_interface_ref_selection (AtkSelection *selection, - gint i); -static gint selection_interface_get_selection_count (AtkSelection *selection); -static gboolean selection_interface_is_child_selected (AtkSelection *selection, - gint i); - -/* callbacks */ -static void selection_preview_change_cb (ECalendarItem *calitem); -static void date_range_changed_cb (ECalendarItem *calitem); -static void selection_changed_cb (ECalendarItem *calitem); - -/* helpers */ -static EaCellTable *ea_calendar_item_get_cell_data (EaCalendarItem *ea_calitem); -static void ea_calendar_item_destory_cell_data (EaCalendarItem *ea_calitem); -static gboolean ea_calendar_item_get_column_label (EaCalendarItem *ea_calitem, - gint column, - gchar *buffer, - gint buffer_size); -static gboolean ea_calendar_item_get_row_label (EaCalendarItem *ea_calitem, - gint row, - gchar *buffer, - gint buffer_size); - -#ifdef ACC_DEBUG -static gint n_ea_calendar_item_created = 0; -static gint n_ea_calendar_item_destroyed = 0; -#endif - -static gpointer parent_class = NULL; - -GType -ea_calendar_item_get_type (void) -{ - static GType type = 0; - AtkObjectFactory *factory; - GTypeQuery query; - GType derived_atk_type; - - if (!type) { - static GTypeInfo tinfo = { - sizeof (EaCalendarItemClass), - (GBaseInitFunc) NULL, /* base init */ - (GBaseFinalizeFunc) NULL, /* base finalize */ - (GClassInitFunc) ea_calendar_item_class_init, /* class init */ - (GClassFinalizeFunc) NULL, /* class finalize */ - NULL, /* class data */ - sizeof (EaCalendarItem), /* instance size */ - 0, /* nb preallocs */ - (GInstanceInitFunc) NULL, /* instance init */ - NULL /* value table */ - }; - - static const GInterfaceInfo atk_table_info = { - (GInterfaceInitFunc) atk_table_interface_init, - (GInterfaceFinalizeFunc) NULL, - NULL - }; - static const GInterfaceInfo atk_selection_info = { - (GInterfaceInitFunc) atk_selection_interface_init, - (GInterfaceFinalizeFunc) NULL, - NULL - }; - - /* - * Figure out the size of the class and instance - * we are run-time deriving from (GailCanvasItem, in this case) - */ - - factory = atk_registry_get_factory (atk_get_default_registry (), - GNOME_TYPE_CANVAS_ITEM); - 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, - "EaCalendarItem", &tinfo, 0); - g_type_add_interface_static (type, ATK_TYPE_TABLE, - &atk_table_info); - g_type_add_interface_static (type, ATK_TYPE_SELECTION, - &atk_selection_info); - } - - return type; -} - -static void -ea_calendar_item_class_init (EaCalendarItemClass *klass) -{ - GObjectClass *gobject_class = G_OBJECT_CLASS (klass); - AtkObjectClass *class = ATK_OBJECT_CLASS (klass); - - gobject_class->finalize = ea_calendar_item_finalize; - parent_class = g_type_class_peek_parent (klass); - - class->get_name = ea_calendar_item_get_name; - class->get_description = ea_calendar_item_get_description; - - class->get_n_children = ea_calendar_item_get_n_children; - class->ref_child = ea_calendar_item_ref_child; -} - -AtkObject* -ea_calendar_item_new (GObject *obj) -{ - gpointer object; - AtkObject *atk_object; - - g_return_val_if_fail (E_IS_CALENDAR_ITEM (obj), NULL); - object = g_object_new (EA_TYPE_CALENDAR_ITEM, NULL); - atk_object = ATK_OBJECT (object); - atk_object_initialize (atk_object, obj); - atk_object->role = ATK_ROLE_TABLE; -#ifdef ACC_DEBUG - ++n_ea_calendar_item_created; - g_print ("ACC_DEBUG: n_ea_calendar_item_created = %d\n", - n_ea_calendar_item_created); -#endif - /* connect signal handlers */ - g_signal_connect (obj, "selection_preview_changed", - G_CALLBACK (selection_preview_change_cb), - atk_object); - g_signal_connect (obj, "date_range_changed", - G_CALLBACK (date_range_changed_cb), - atk_object); - g_signal_connect (obj, "selection_preview_changed", - G_CALLBACK (selection_changed_cb), - atk_object); - - return atk_object; -} - -static void -ea_calendar_item_finalize (GObject *object) -{ - EaCalendarItem *ea_calitem; - - g_return_if_fail (EA_IS_CALENDAR_ITEM (object)); - - ea_calitem = EA_CALENDAR_ITEM (object); - - /* Free the allocated cell data */ - ea_calendar_item_destory_cell_data (ea_calitem); - - G_OBJECT_CLASS (parent_class)->finalize (object); -#ifdef ACC_DEBUG - ++n_ea_calendar_item_destroyed; - printf ("ACC_DEBUG: n_ea_calendar_item_destroyed = %d\n", - n_ea_calendar_item_destroyed); -#endif -} - -static G_CONST_RETURN gchar* -ea_calendar_item_get_name (AtkObject *accessible) -{ - GObject *g_obj; - ECalendarItem *calitem; - gint start_year, start_month, start_day; - gint end_year, end_month, end_day; - static gchar new_name[256] = ""; - - g_return_val_if_fail (EA_IS_CALENDAR_ITEM (accessible), NULL); - - if (accessible->name) - return accessible->name; - - g_obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE(accessible)); - g_return_val_if_fail (E_IS_CALENDAR_ITEM (g_obj), NULL); - - calitem = E_CALENDAR_ITEM (g_obj); - if (e_calendar_item_get_date_range (calitem, - &start_year, &start_month, &start_day, - &end_year, &end_month, &end_day)) { - ++start_month; - ++end_month; - sprintf (new_name, "calendar (from %d-%d-%d to %d-%d-%d)", - start_year, start_month, start_day, - end_year, end_month, end_day); - } - -#if 0 - if (e_calendar_item_get_selection (calitem, &select_start, &select_end)) { - GDate select_start, select_end; - gint year1, year2, month1, month2, day1, day2; - - year1 = g_date_get_year (&select_start); - month1 = g_date_get_month (&select_start); - day1 = g_date_get_day (&select_start); - - year2 = g_date_get_year (&select_end); - month2 = g_date_get_month (&select_end); - day2 = g_date_get_day (&select_end); - - sprintf (new_name + strlen (new_name), - " : current selection: from %d-%d-%d to %d-%d-%d.", - year1, month1, day1, - year2, month2, day2); - } -#endif - - return new_name; -} - -static G_CONST_RETURN gchar* -ea_calendar_item_get_description (AtkObject *accessible) -{ - if (accessible->description) - return accessible->description; - - return "evolution calendar item"; -} - -static gint -ea_calendar_item_get_n_children (AtkObject *accessible) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - ECalendarItem *calitem; - gint n_children = 0; - gint start_year, start_month, start_day; - gint end_year, end_month, end_day; - GDate *start_date, *end_date; - - g_return_val_if_fail (EA_IS_CALENDAR_ITEM (accessible), -1); - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (accessible); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return -1; - - calitem = E_CALENDAR_ITEM (g_obj); - if (!e_calendar_item_get_date_range (calitem, &start_year, - &start_month, &start_day, - &end_year, &end_month, - &end_day)) - return 0; - - start_date = g_date_new_dmy (start_day, start_month + 1, start_year); - end_date = g_date_new_dmy (end_day, end_month + 1, end_year); - - n_children = g_date_days_between (start_date, end_date) + 1; - g_free (start_date); - g_free (end_date); - return n_children; -} - -static AtkObject * -ea_calendar_item_ref_child (AtkObject *accessible, gint index) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - ECalendarItem *calitem; - gint n_children; - ECalendarCell *cell; - EaCellTable *cell_data; - EaCalendarItem *ea_calitem; - - g_return_val_if_fail (EA_IS_CALENDAR_ITEM (accessible), NULL); - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (accessible); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return NULL; - - calitem = E_CALENDAR_ITEM (g_obj); - - n_children = ea_calendar_item_get_n_children (accessible); - if (index < 0 || index >= n_children) - return NULL; - - ea_calitem = EA_CALENDAR_ITEM (accessible); - cell_data = ea_calendar_item_get_cell_data (ea_calitem); - if (!cell_data) - return NULL; - - cell = ea_cell_table_get_cell_at_index (cell_data, index); - if (!cell) { - cell = e_calendar_cell_new (calitem, - index / EA_CALENDAR_COLUMN_NUM, - index % EA_CALENDAR_COLUMN_NUM); - ea_cell_table_set_cell_at_index (cell_data, index, cell); - g_object_unref (cell); - } - -#ifdef ACC_DEBUG - g_print ("AccDebug: ea_calendar_item children[%d]=%p\n", index, - (gpointer)cell); -#endif - return g_object_ref (atk_gobject_accessible_for_object (G_OBJECT(cell))); -} - -/* atk table interface */ - -static void -atk_table_interface_init (AtkTableIface *iface) -{ - g_return_if_fail (iface != NULL); - - iface->ref_at = table_interface_ref_at; - - iface->get_n_rows = table_interface_get_n_rows; - iface->get_n_columns = table_interface_get_n_columns; - iface->get_index_at = table_interface_get_index_at; - iface->get_column_at_index = table_interface_get_column_at_index; - iface->get_row_at_index = table_interface_get_row_at_index; - iface->get_column_extent_at = table_interface_get_column_extent_at; - iface->get_row_extent_at = table_interface_get_row_extent_at; - - iface->is_selected = table_interface_is_selected; - iface->get_selected_rows = table_interface_get_selected_rows; - iface->get_selected_columns = table_interface_get_selected_columns; - iface->is_row_selected = table_interface_is_row_selected; - iface->is_column_selected = table_interface_is_column_selected; - iface->add_row_selection = table_interface_add_row_selection; - iface->remove_row_selection = table_interface_remove_row_selection; - iface->add_column_selection = table_interface_add_column_selection; - iface->remove_column_selection = table_interface_remove_column_selection; - - iface->get_row_header = table_interface_get_row_header; - iface->get_column_header = table_interface_get_column_header; - iface->get_caption = table_interface_get_caption; - iface->get_summary = table_interface_get_summary; - iface->get_row_description = table_interface_get_row_description; - iface->get_column_description = table_interface_get_column_description; -} - -static AtkObject* -table_interface_ref_at (AtkTable *table, - gint row, - gint column) -{ - gint index; - - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (table); - index = EA_CALENDAR_COLUMN_NUM * row + column; - return ea_calendar_item_ref_child (ATK_OBJECT (ea_calitem), index); -} - -static gint -table_interface_get_n_rows (AtkTable *table) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (table); - gint n_children; - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return -1; - - n_children = ea_calendar_item_get_n_children (ATK_OBJECT (ea_calitem)); - return (n_children - 1) / EA_CALENDAR_COLUMN_NUM + 1; -} - -static gint -table_interface_get_n_columns (AtkTable *table) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (table); - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return -1; - - return EA_CALENDAR_COLUMN_NUM; -} - -static gint -table_interface_get_index_at (AtkTable *table, - gint row, - gint column) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (table); - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return -1; - - return row * EA_CALENDAR_COLUMN_NUM + column; -} - -static gint -table_interface_get_column_at_index (AtkTable *table, - gint index) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (table); - gint n_children; - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return -1; - - n_children = ea_calendar_item_get_n_children (ATK_OBJECT (ea_calitem)); - if (index >= 0 && index < n_children) - return index % EA_CALENDAR_COLUMN_NUM; - return -1; -} - -static gint -table_interface_get_row_at_index (AtkTable *table, - gint index) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (table); - gint n_children; - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return -1; - - n_children = ea_calendar_item_get_n_children (ATK_OBJECT (ea_calitem)); - if (index >= 0 && index < n_children) - return index / EA_CALENDAR_COLUMN_NUM; - return -1; -} - -static gint -table_interface_get_column_extent_at (AtkTable *table, - gint row, - gint column) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - ECalendarItem *calitem; - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (table); - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return FALSE; - - calitem = E_CALENDAR_ITEM (g_obj); - return calitem->cell_width; -} - -static gint -table_interface_get_row_extent_at (AtkTable *table, - gint row, gint column) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - ECalendarItem *calitem; - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (table); - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return FALSE; - - calitem = E_CALENDAR_ITEM (g_obj); - return calitem->cell_height; -} - -/* any day in the row is selected, the row is selected */ -static gboolean -table_interface_is_row_selected (AtkTable *table, - gint row) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - gint n_rows; - ECalendarItem *calitem; - gint row_index_start, row_index_end; - gint sel_index_start, sel_index_end; - - GDate start_date, end_date; - - g_return_val_if_fail (EA_IS_CALENDAR_ITEM (table), FALSE); - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (table); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return FALSE; - - n_rows = table_interface_get_n_rows (table); - if (row < 0 || row >= n_rows) - return FALSE; - - row_index_start = row * EA_CALENDAR_COLUMN_NUM; - row_index_end = row_index_start + EA_CALENDAR_COLUMN_NUM - 1; - - calitem = E_CALENDAR_ITEM (g_obj); - e_calendar_item_get_selection (calitem, &start_date, &end_date); - - sel_index_start = - e_calendar_item_get_offset_for_date (calitem, - g_date_get_year (&start_date), - g_date_get_month (&start_date), - g_date_get_day (&start_date)); - sel_index_end = - e_calendar_item_get_offset_for_date (calitem, - g_date_get_year (&end_date), - g_date_get_month (&end_date), - g_date_get_day (&end_date)); - - if ((sel_index_start < row_index_start && - sel_index_end >= row_index_start) || - (sel_index_start >= row_index_start && - sel_index_start <= row_index_end)) - return TRUE; - return FALSE; -} - -static gboolean -table_interface_is_selected (AtkTable *table, - gint row, - gint column) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - gint n_rows, n_columns; - ECalendarItem *calitem; - gint index; - gint sel_index_start, sel_index_end; - - GDate start_date, end_date; - - g_return_val_if_fail (EA_IS_CALENDAR_ITEM (table), FALSE); - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (table); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return FALSE; - - n_rows = table_interface_get_n_rows (table); - if (row < 0 || row >= n_rows) - return FALSE; - n_columns = table_interface_get_n_columns (table); - if (column < 0 || column >= n_columns) - return FALSE; - - index = table_interface_get_index_at (table, row, column); - - calitem = E_CALENDAR_ITEM (g_obj); - e_calendar_item_get_selection (calitem, &start_date, &end_date); - - sel_index_start = - e_calendar_item_get_offset_for_date (calitem, - g_date_get_year (&start_date), - g_date_get_month (&start_date), - g_date_get_day (&start_date)); - sel_index_end = - e_calendar_item_get_offset_for_date (calitem, - g_date_get_year (&end_date), - g_date_get_month (&end_date), - g_date_get_day (&end_date)); - - if (sel_index_start <= index && sel_index_end >= index) - return TRUE; - return FALSE; -} - -static gboolean -table_interface_is_column_selected (AtkTable *table, - gint column) -{ - return FALSE; -} - -static gint -table_interface_get_selected_rows (AtkTable *table, - gint **rows_selected) -{ - *rows_selected = NULL; - return -1; -} - -static gint -table_interface_get_selected_columns (AtkTable *table, - gint **columns_selected) -{ - *columns_selected = NULL; - return -1; -} - -static gboolean -table_interface_add_row_selection (AtkTable *table, - gint row) -{ - return FALSE; -} - -static gboolean -table_interface_remove_row_selection (AtkTable *table, - gint row) -{ - return FALSE; -} - -static gboolean -table_interface_add_column_selection (AtkTable *table, - gint column) -{ - return FALSE; -} - -static gboolean -table_interface_remove_column_selection (AtkTable *table, - gint column) -{ - /* FIXME: NOT IMPLEMENTED */ - return FALSE; -} - -static AtkObject* -table_interface_get_row_header (AtkTable *table, - gint row) -{ - /* FIXME: NOT IMPLEMENTED */ - return NULL; -} - -static AtkObject* -table_interface_get_column_header (AtkTable *table, - gint in_col) -{ - /* FIXME: NOT IMPLEMENTED */ - return NULL; -} - -static AtkObject* -table_interface_get_caption (AtkTable *table) -{ - /* FIXME: NOT IMPLEMENTED */ - return NULL; -} - -static G_CONST_RETURN gchar* -table_interface_get_column_description (AtkTable *table, gint in_col) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - ECalendarItem *calitem; - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (table); - const gchar *description = NULL; - EaCellTable *cell_data; - gint n_columns; - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return NULL; - - calitem = E_CALENDAR_ITEM (g_obj); - n_columns = table_interface_get_n_columns (table); - if (in_col < 0 || in_col >= n_columns) - return NULL; - cell_data = ea_calendar_item_get_cell_data (ea_calitem); - if (!cell_data) - return NULL; - - description = ea_cell_table_get_column_label (cell_data, in_col); - if (!description) { - gchar buffer[128] = "column description"; - ea_calendar_item_get_column_label (ea_calitem, in_col, - buffer, sizeof (buffer)); - ea_cell_table_set_column_label (cell_data, in_col, buffer); - description = ea_cell_table_get_column_label (cell_data, - in_col); - } - return description; -} - -static G_CONST_RETURN gchar* -table_interface_get_row_description (AtkTable *table, gint row) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - ECalendarItem *calitem; - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (table); - const gchar *description = NULL; - EaCellTable *cell_data; - gint n_rows; - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return NULL; - - calitem = E_CALENDAR_ITEM (g_obj); - n_rows = table_interface_get_n_rows (table); - if (row < 0 || row >= n_rows) - return NULL; - cell_data = ea_calendar_item_get_cell_data (ea_calitem); - if (!cell_data) - return NULL; - - description = ea_cell_table_get_row_label (cell_data, row); - if (!description) { - gchar buffer[128] = "row description"; - ea_calendar_item_get_row_label (ea_calitem, row, - buffer, sizeof (buffer)); - ea_cell_table_set_row_label (cell_data, row, buffer); - description = ea_cell_table_get_row_label (cell_data, - row); - } - return description; -} - -static AtkObject* -table_interface_get_summary (AtkTable *table) -{ - /* FIXME: NOT IMPLEMENTED */ - return NULL; -} - -/* atkselection interface */ - -static void -atk_selection_interface_init (AtkSelectionIface *iface) -{ - g_return_if_fail (iface != NULL); - - iface->add_selection = selection_interface_add_selection; - iface->clear_selection = selection_interface_clear_selection; - iface->ref_selection = selection_interface_ref_selection; - iface->get_selection_count = selection_interface_get_selection_count; - iface->is_child_selected = selection_interface_is_child_selected; -} - -static gboolean -selection_interface_add_selection (AtkSelection *selection, gint index) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - ECalendarItem *calitem; - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (selection); - gint year, month, day; - GDate start_date, end_date; - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return FALSE; - - calitem = E_CALENDAR_ITEM (g_obj); - if (!e_calendar_item_get_date_for_offset (calitem, index, - &year, &month, &day)) - return FALSE; - - /* FIXME: not support mulit-selection */ - g_date_set_dmy (&start_date, day, month + 1, year); - end_date = start_date; - e_calendar_item_set_selection (calitem, &start_date, &end_date); - return TRUE; -} - -static gboolean -selection_interface_clear_selection (AtkSelection *selection) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - ECalendarItem *calitem; - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (selection); - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return FALSE; - - calitem = E_CALENDAR_ITEM (g_obj); - e_calendar_item_set_selection (calitem, NULL, NULL); - - return TRUE; -} - -static AtkObject* -selection_interface_ref_selection (AtkSelection *selection, gint i) -{ - GObject *g_obj; - ECalendarItem *calitem; - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (selection); - gint count, sel_offset; - GDate start_date, end_date; - - count = selection_interface_get_selection_count (selection); - if (i < 0 || i >= count) - return NULL; - - g_obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (ea_calitem)); - - calitem = E_CALENDAR_ITEM (g_obj); - e_calendar_item_get_selection (calitem, &start_date, &end_date); - sel_offset = e_calendar_item_get_offset_for_date (calitem, - g_date_get_year (&start_date), - g_date_get_month (&start_date), - g_date_get_day (&start_date)); - - return ea_calendar_item_ref_child (ATK_OBJECT (selection), sel_offset + i); -} - -static gint -selection_interface_get_selection_count (AtkSelection *selection) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - ECalendarItem *calitem; - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (selection); - GDate start_date, end_date; - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return 0; - - calitem = E_CALENDAR_ITEM (g_obj); - e_calendar_item_get_selection (calitem, &start_date, &end_date); - - return g_date_days_between (&start_date, &end_date) + 1; -} - -static gboolean -selection_interface_is_child_selected (AtkSelection *selection, gint index) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - ECalendarItem *calitem; - EaCalendarItem* ea_calitem = EA_CALENDAR_ITEM (selection); - gint row, column, n_children; - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return FALSE; - - calitem = E_CALENDAR_ITEM (g_obj); - n_children = atk_object_get_n_accessible_children (ATK_OBJECT (selection)); - if (index < 0 || index >= n_children) - return FALSE; - - row = index / EA_CALENDAR_COLUMN_NUM; - column = index % EA_CALENDAR_COLUMN_NUM; - - return table_interface_is_selected (ATK_TABLE (selection), row, column); -} - -/* callbacks */ - -static void -selection_preview_change_cb (ECalendarItem *calitem) -{ - AtkObject *atk_obj; - - g_return_if_fail (E_IS_CALENDAR_ITEM (calitem)); - atk_obj = atk_gobject_accessible_for_object (G_OBJECT (calitem)); - - g_signal_emit_by_name (atk_obj, "selection_changed"); -} - -static void -date_range_changed_cb (ECalendarItem *calitem) -{ - AtkObject *atk_obj; - - g_return_if_fail (E_IS_CALENDAR_ITEM (calitem)); - atk_obj = atk_gobject_accessible_for_object (G_OBJECT (calitem)); - ea_calendar_item_destory_cell_data (EA_CALENDAR_ITEM (atk_obj)); - - g_signal_emit_by_name (atk_obj, "model_changed"); -} - -static void -selection_changed_cb (ECalendarItem *calitem) -{ - selection_preview_change_cb (calitem); -} - -/* helpers */ - -static EaCellTable * -ea_calendar_item_get_cell_data (EaCalendarItem *ea_calitem) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - ECalendarItem *calitem; - EaCellTable *cell_data; - - g_return_val_if_fail (ea_calitem, NULL); - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return NULL; - - calitem = E_CALENDAR_ITEM (g_obj); - - cell_data = g_object_get_data (G_OBJECT(ea_calitem), - "ea-calendar-cell-table"); - - if (!cell_data) { - gint n_cells = ea_calendar_item_get_n_children (ATK_OBJECT(ea_calitem)); - cell_data = ea_cell_table_create (n_cells/EA_CALENDAR_COLUMN_NUM, - EA_CALENDAR_COLUMN_NUM, - FALSE); - g_object_set_data (G_OBJECT(ea_calitem), - "ea-calendar-cell-table", cell_data); - } - return cell_data; -} - -static void -ea_calendar_item_destory_cell_data (EaCalendarItem *ea_calitem) -{ - EaCellTable *cell_data; - - g_return_if_fail (ea_calitem); - - cell_data = g_object_get_data (G_OBJECT(ea_calitem), - "ea-calendar-cell-table"); - if (cell_data) { - ea_cell_table_destroy (cell_data); - g_object_set_data (G_OBJECT(ea_calitem), - "ea-calendar-cell-table", NULL); - } -} - -static gboolean -ea_calendar_item_get_row_label (EaCalendarItem *ea_calitem, gint row, - gchar *buffer, gint buffer_size) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - ECalendarItem *calitem; - gint index, week_num; - gint year, month, day; - - g_return_val_if_fail (ea_calitem, FALSE); - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return FALSE; - - calitem = E_CALENDAR_ITEM (g_obj); - - index = atk_table_get_index_at (ATK_TABLE (ea_calitem), row, 0); - if (!e_calendar_item_get_date_for_offset (calitem, index, - &year, &month, &day)) - return FALSE; - - week_num = e_calendar_item_get_week_number (calitem, - day, month, year); - - g_snprintf (buffer, buffer_size, "week number : %d", week_num); - return TRUE; -} - -static gboolean -ea_calendar_item_get_column_label (EaCalendarItem *ea_calitem, gint column, - gchar *buffer, gint buffer_size) -{ - AtkGObjectAccessible *atk_gobj; - GObject *g_obj; - ECalendarItem *calitem; - gchar *week_char; - gint char_size; - - g_return_val_if_fail (ea_calitem, FALSE); - - atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_calitem); - g_obj = atk_gobject_accessible_get_object (atk_gobj); - if (!g_obj) - return FALSE; - - calitem = E_CALENDAR_ITEM (g_obj); - week_char = g_utf8_offset_to_pointer (calitem->days, column); - char_size = strlen (calitem->days) - - strlen (g_utf8_find_next_char (calitem->days, NULL)); - - if (week_char && char_size < buffer_size) { - memcpy (buffer, week_char, char_size); - buffer[char_size] = '\0'; - return TRUE; - } - return FALSE; -} - -/* the coordinate the e-calendar canvas coord */ -gboolean -e_calendar_item_get_day_extents (ECalendarItem *calitem, - gint year, gint month, gint date, - gint *x, gint *y, - gint *width, gint *height) -{ - GnomeCanvasItem *item; - GtkWidget *widget; - GtkStyle *style; - PangoFontDescription *font_desc; - PangoContext *pango_context; - PangoFontMetrics *font_metrics; - gint char_height, xthickness, ythickness, text_y; - gint new_year, new_month, num_months, months_offset; - gint month_x, month_y, month_cell_x, month_cell_y; - gint month_row, month_col; - gint day_row, day_col; - gint days_from_week_start; - - g_return_val_if_fail (E_IS_CALENDAR_ITEM (calitem), FALSE); - - item = GNOME_CANVAS_ITEM (calitem); - widget = GTK_WIDGET (item->canvas); - style = widget->style; - - /* Set up Pango prerequisites */ - font_desc = calitem->font_desc; - if (!font_desc) - font_desc = style->font_desc; - pango_context = gtk_widget_get_pango_context (widget); - font_metrics = pango_context_get_metrics (pango_context, font_desc, - pango_context_get_language (pango_context)); - - char_height = - PANGO_PIXELS (pango_font_metrics_get_ascent (font_metrics)) + - PANGO_PIXELS (pango_font_metrics_get_descent (font_metrics)); - - xthickness = style->xthickness; - ythickness = style->ythickness; - - new_year = year; - new_month = month; - e_calendar_item_normalize_date (calitem, &new_year, &new_month); - num_months = calitem->rows * calitem->cols; - months_offset = (new_year - calitem->year) * 12 - + new_month - calitem->month; - - if (months_offset > num_months || months_offset < 0) - return FALSE; - - month_row = months_offset / calitem->cols; - month_col = months_offset % calitem->cols; - - month_x = item->x1 + xthickness + calitem->x_offset - + month_col * calitem->month_width; - month_y = item->y1 + ythickness + month_row * calitem->month_height; - - month_cell_x = month_x + E_CALENDAR_ITEM_XPAD_BEFORE_WEEK_NUMBERS - + calitem->month_lpad + E_CALENDAR_ITEM_XPAD_BEFORE_CELLS; - text_y = month_y + ythickness * 2 - + E_CALENDAR_ITEM_YPAD_ABOVE_MONTH_NAME - + char_height + E_CALENDAR_ITEM_YPAD_BELOW_MONTH_NAME - + E_CALENDAR_ITEM_YPAD_ABOVE_DAY_LETTERS + calitem->month_tpad; - - month_cell_y = text_y + char_height - + E_CALENDAR_ITEM_YPAD_BELOW_DAY_LETTERS + 1 - + E_CALENDAR_ITEM_YPAD_ABOVE_CELLS; - - days_from_week_start = - e_calendar_item_get_n_days_from_week_start (calitem, new_year, - new_month); - day_row = (date + days_from_week_start - 1) / EA_CALENDAR_COLUMN_NUM; - day_col = (date + days_from_week_start - 1) % EA_CALENDAR_COLUMN_NUM; - - *x = month_cell_x + day_col * calitem->cell_width; - *y = month_cell_y + day_row * calitem->cell_height; - *width = calitem->cell_width; - *height = calitem->cell_height; - - return TRUE; -} - -/* month is from 0 to 11 */ -gboolean -e_calendar_item_get_date_for_offset (ECalendarItem *calitem, gint day_offset, - gint *year, gint *month, gint *day) -{ - gint start_year, start_month, start_day; - gint end_year, end_month, end_day; - GDate *start_date; - - g_return_val_if_fail (E_IS_CALENDAR_ITEM (calitem), FALSE); - - if (!e_calendar_item_get_date_range (calitem, &start_year, - &start_month, &start_day, - &end_year, &end_month, - &end_day)) - return FALSE; - - start_date = g_date_new_dmy (start_day, start_month + 1, start_year); - - g_date_add_days (start_date, day_offset); - - *year = g_date_get_year (start_date); - *month = g_date_get_month (start_date) - 1; - *day = g_date_get_day (start_date); - - return TRUE; -} - -/* month is from 0 to 11 */ -gint -e_calendar_item_get_offset_for_date (ECalendarItem *calitem, - gint year, gint month, gint day) -{ - gint start_year, start_month, start_day; - gint end_year, end_month, end_day; - GDate *start_date, *end_date; - gint n_days; - - g_return_val_if_fail (E_IS_CALENDAR_ITEM (calitem), -1); - - if (!e_calendar_item_get_date_range (calitem, &start_year, - &start_month, &start_day, - &end_year, &end_month, - &end_day)) - return FALSE; - - start_date = g_date_new_dmy (start_day, start_month + 1, start_year); - end_date = g_date_new_dmy (day, month + 1, year); - - n_days = g_date_days_between (start_date, end_date); - g_free (start_date); - g_free (end_date); - return n_days; -} - -gint -e_calendar_item_get_n_days_from_week_start (ECalendarItem *calitem, - gint year, gint month) -{ - struct tm tmp_tm; - gint start_weekday, days_from_week_start; - - memset (&tmp_tm, 0, sizeof (tmp_tm)); - tmp_tm.tm_year = year - 1900; - tmp_tm.tm_mon = month; - tmp_tm.tm_mday = 1; - tmp_tm.tm_isdst = -1; - mktime (&tmp_tm); - start_weekday = (tmp_tm.tm_wday + 6) % 7; /* 0 to 6 */ - days_from_week_start = (start_weekday + 7 - calitem->week_start_day) - % 7; - return days_from_week_start; -} |