diff options
Diffstat (limited to 'calendar/gui/a11y/ea-day-view-cell.c')
| -rw-r--r-- | calendar/gui/a11y/ea-day-view-cell.c | 396 |
1 files changed, 396 insertions, 0 deletions
diff --git a/calendar/gui/a11y/ea-day-view-cell.c b/calendar/gui/a11y/ea-day-view-cell.c new file mode 100644 index 0000000000..4698a3ddf4 --- /dev/null +++ b/calendar/gui/a11y/ea-day-view-cell.c @@ -0,0 +1,396 @@ +/* + * + * 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-day-view-cell.h" +#include "ea-day-view-main-item.h" +#include "ea-day-view.h" +#include "a11y/ea-factory.h" + +/* EDayViewCell */ + +static void e_day_view_cell_class_init (EDayViewCellClass *class); + +EA_FACTORY_GOBJECT (EA_TYPE_DAY_VIEW_CELL, ea_day_view_cell, ea_day_view_cell_new) + +GType +e_day_view_cell_get_type (void) +{ + static GType type = 0; + + if (!type) { + static GTypeInfo tinfo = { + sizeof (EDayViewCellClass), + (GBaseInitFunc) NULL, /* base init */ + (GBaseFinalizeFunc) NULL, /* base finalize */ + (GClassInitFunc) e_day_view_cell_class_init, /* class init */ + (GClassFinalizeFunc) NULL, /* class finalize */ + NULL, /* class data */ + sizeof (EDayViewCell), /* instance size */ + 0, /* nb preallocs */ + (GInstanceInitFunc) NULL, /* instance init */ + NULL /* value table */ + }; + + type = g_type_register_static (G_TYPE_OBJECT, + "EDayViewCell", &tinfo, 0); + } + + return type; +} + +static void +e_day_view_cell_class_init (EDayViewCellClass *class) +{ + EA_SET_FACTORY (e_day_view_cell_get_type (), ea_day_view_cell); +} + +EDayViewCell * +e_day_view_cell_new (EDayView *day_view, gint row, gint column) +{ + GObject *object; + EDayViewCell *cell; + + g_return_val_if_fail (E_IS_DAY_VIEW (day_view), NULL); + + object = g_object_new (E_TYPE_DAY_VIEW_CELL, NULL); + cell = E_DAY_VIEW_CELL (object); + cell->day_view = day_view; + cell->row = row; + cell->column = column; + +#ifdef ACC_DEBUG + printf ("EvoAcc: e_day_view_cell created %p\n", (void *)cell); +#endif + + return cell; +} + +/* EaDayViewCell */ + +static void ea_day_view_cell_class_init (EaDayViewCellClass *klass); + +static G_CONST_RETURN gchar* ea_day_view_cell_get_name (AtkObject *accessible); +static G_CONST_RETURN gchar* ea_day_view_cell_get_description (AtkObject *accessible); +static AtkStateSet* ea_day_view_cell_ref_state_set (AtkObject *obj); +static AtkObject * ea_day_view_cell_get_parent (AtkObject *accessible); +static gint ea_day_view_cell_get_index_in_parent (AtkObject *accessible); + +/* component interface */ +static void atk_component_interface_init (AtkComponentIface *iface); +static void component_interface_get_extents (AtkComponent *component, + gint *x, gint *y, + gint *width, gint *height, + AtkCoordType coord_type); +static gboolean component_interface_grab_focus (AtkComponent *component); + +static gpointer parent_class = NULL; + +#ifdef ACC_DEBUG +static gint n_ea_day_view_cell_created = 0, n_ea_day_view_cell_destroyed = 0; +static void ea_day_view_cell_finalize (GObject *object); +#endif + +GType +ea_day_view_cell_get_type (void) +{ + static GType type = 0; + + if (!type) { + static GTypeInfo tinfo = { + sizeof (EaDayViewCellClass), + (GBaseInitFunc) NULL, /* base init */ + (GBaseFinalizeFunc) NULL, /* base finalize */ + (GClassInitFunc) ea_day_view_cell_class_init, /* class init */ + (GClassFinalizeFunc) NULL, /* class finalize */ + NULL, /* class data */ + sizeof (EaDayViewCell), /* instance size */ + 0, /* nb preallocs */ + (GInstanceInitFunc) NULL, /* instance init */ + NULL /* value table */ + }; + + static const GInterfaceInfo atk_component_info = { + (GInterfaceInitFunc) atk_component_interface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + + type = g_type_register_static (ATK_TYPE_GOBJECT_ACCESSIBLE, + "EaDayViewCell", &tinfo, 0); + g_type_add_interface_static (type, ATK_TYPE_COMPONENT, + &atk_component_info); + } + + return type; +} + +static void +ea_day_view_cell_class_init (EaDayViewCellClass *klass) +{ + AtkObjectClass *class = ATK_OBJECT_CLASS (klass); + +#ifdef ACC_DEBUG + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + gobject_class->finalize = ea_day_view_cell_finalize; +#endif + + parent_class = g_type_class_peek_parent (klass); + + class->get_name = ea_day_view_cell_get_name; + class->get_description = ea_day_view_cell_get_description; + class->ref_state_set = ea_day_view_cell_ref_state_set; + + class->get_parent = ea_day_view_cell_get_parent; + class->get_index_in_parent = ea_day_view_cell_get_index_in_parent; +} + +AtkObject* +ea_day_view_cell_new (GObject *obj) +{ + gpointer object; + AtkObject *atk_object; + + g_return_val_if_fail (E_IS_DAY_VIEW_CELL (obj), NULL); + + object = g_object_new (EA_TYPE_DAY_VIEW_CELL, NULL); + atk_object = ATK_OBJECT (object); + atk_object_initialize (atk_object, obj); + atk_object->role = ATK_ROLE_UNKNOWN; + +#ifdef ACC_DEBUG + ++n_ea_day_view_cell_created; + printf ("ACC_DEBUG: n_ea_day_view_cell_created = %d\n", + n_ea_day_view_cell_created); +#endif + return atk_object; +} + +#ifdef ACC_DEBUG +static void ea_day_view_cell_finalize (GObject *object) +{ + G_OBJECT_CLASS (parent_class)->finalize (object); + + ++n_ea_day_view_cell_destroyed; + printf ("ACC_DEBUG: n_ea_day_view_cell_destroyed = %d\n", + n_ea_day_view_cell_destroyed); +} +#endif + +static G_CONST_RETURN gchar* +ea_day_view_cell_get_name (AtkObject *accessible) +{ + AtkGObjectAccessible *atk_gobj; + GObject *g_obj; + EDayViewCell *cell; + + g_return_val_if_fail (EA_IS_DAY_VIEW_CELL (accessible), NULL); + + if (!accessible->name) { + AtkObject *ea_main_item; + GnomeCanvasItem *main_item; + gchar *new_name = g_strdup (""); + const gchar *row_label, *column_label; + + atk_gobj = ATK_GOBJECT_ACCESSIBLE (accessible); + g_obj = atk_gobject_accessible_get_object (atk_gobj); + if (!g_obj) + return NULL; + + cell = E_DAY_VIEW_CELL (g_obj); + main_item = cell->day_view->main_canvas_item; + ea_main_item = atk_gobject_accessible_for_object (G_OBJECT (main_item)); + column_label = atk_table_get_column_description (ATK_TABLE (ea_main_item), + cell->column); + row_label = atk_table_get_row_description (ATK_TABLE (ea_main_item), + cell->row); + new_name = g_strconcat (column_label, " ", row_label, NULL); + ATK_OBJECT_CLASS (parent_class)->set_name (accessible, new_name); + g_free (new_name); + } + return accessible->name; +} + +static G_CONST_RETURN gchar* +ea_day_view_cell_get_description (AtkObject *accessible) +{ + return ea_day_view_cell_get_name (accessible); +} + +static AtkStateSet* +ea_day_view_cell_ref_state_set (AtkObject *obj) +{ + AtkStateSet *state_set; + GObject *g_obj; + AtkObject *parent; + gint x, y, width, height; + gint parent_x, parent_y, parent_width, parent_height; + + state_set = ATK_OBJECT_CLASS (parent_class)->ref_state_set (obj); + g_obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE(obj)); + if (!g_obj) + return state_set; + + atk_state_set_add_state (state_set, ATK_STATE_SELECTABLE); + + parent = atk_object_get_parent (obj); + atk_component_get_extents (ATK_COMPONENT (obj), &x, &y, + &width, &height, ATK_XY_WINDOW); + atk_component_get_extents (ATK_COMPONENT (parent), &parent_x, &parent_y, + &parent_width, &parent_height, ATK_XY_WINDOW); + + + if (x + width < parent_x || x > parent_x + parent_width || + y + height < parent_y || y > parent_y + parent_height) + /* the cell is out of the main canvas */ + ; + else + atk_state_set_add_state (state_set, ATK_STATE_VISIBLE); + + return state_set; +} + +static AtkObject * +ea_day_view_cell_get_parent (AtkObject *accessible) +{ + AtkGObjectAccessible *atk_gobj; + GObject *g_obj; + EDayViewCell *cell; + + g_return_val_if_fail (EA_IS_DAY_VIEW_CELL (accessible), NULL); + + atk_gobj = ATK_GOBJECT_ACCESSIBLE (accessible); + g_obj = atk_gobject_accessible_get_object (atk_gobj); + if (!g_obj) + return NULL; + + cell = E_DAY_VIEW_CELL (g_obj); + return atk_gobject_accessible_for_object (G_OBJECT (cell->day_view->main_canvas_item)); +} + +static gint +ea_day_view_cell_get_index_in_parent (AtkObject *accessible) +{ + AtkGObjectAccessible *atk_gobj; + GObject *g_obj; + EDayViewCell *cell; + AtkObject *parent; + + g_return_val_if_fail (EA_IS_DAY_VIEW_CELL (accessible), -1); + + atk_gobj = ATK_GOBJECT_ACCESSIBLE (accessible); + g_obj = atk_gobject_accessible_get_object (atk_gobj); + if (!g_obj) + return -1; + + cell = E_DAY_VIEW_CELL (g_obj); + parent = atk_object_get_parent (accessible); + return atk_table_get_index_at (ATK_TABLE (parent), + cell->row, cell->column); +} + +/* Atk Component Interface */ + +static void +atk_component_interface_init (AtkComponentIface *iface) +{ + g_return_if_fail (iface != NULL); + + iface->get_extents = component_interface_get_extents; + iface->grab_focus = component_interface_grab_focus; +} + +static void +component_interface_get_extents (AtkComponent *component, + gint *x, gint *y, gint *width, gint *height, + AtkCoordType coord_type) +{ + GObject *g_obj; + AtkObject *atk_obj; + EDayViewCell *cell; + EDayView *day_view; + GtkWidget *main_canvas; + gint day_view_width, day_view_height; + gint scroll_x, scroll_y; + + *x = *y = *width = *height = 0; + + g_return_if_fail (EA_IS_DAY_VIEW_CELL (component)); + + g_obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE(component)); + if (!g_obj) + /* defunct object*/ + return; + + cell = E_DAY_VIEW_CELL (g_obj); + day_view = cell->day_view; + main_canvas = cell->day_view->main_canvas; + + atk_obj = atk_gobject_accessible_for_object (G_OBJECT (main_canvas)); + atk_component_get_extents (ATK_COMPONENT (atk_obj), + x, y, + &day_view_width, &day_view_height, + coord_type); + gnome_canvas_get_scroll_offsets (GNOME_CANVAS (day_view->main_canvas), + &scroll_x, &scroll_y); + *x += day_view->day_offsets[cell->column] - scroll_x; + *y += day_view->row_height * cell->row + - scroll_y; + *width = day_view->day_widths[cell->column]; + *height = day_view->row_height; +} + +static gboolean +component_interface_grab_focus (AtkComponent *comp) +{ + GObject *g_obj; + EDayViewCell *cell; + EDayView *day_view; + GtkWidget *toplevel; + + g_return_val_if_fail (EA_IS_DAY_VIEW_CELL (comp), FALSE); + + g_obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (comp)); + if (!g_obj) + return FALSE; + + cell = E_DAY_VIEW_CELL (g_obj); + day_view = cell->day_view; + + day_view->selection_start_day = cell->column; + day_view->selection_end_day = cell->column; + day_view->selection_start_row = cell->row; + day_view->selection_end_row = cell->row; + + e_day_view_ensure_rows_visible (day_view, + day_view->selection_start_row, + day_view->selection_end_row); + e_day_view_update_calendar_selection_time (day_view); + gtk_widget_queue_draw (day_view->main_canvas); + + toplevel = gtk_widget_get_toplevel (GTK_WIDGET (day_view)); + if (GTK_WIDGET_TOPLEVEL (toplevel)) + gtk_window_present (GTK_WINDOW (toplevel)); + + return TRUE; +} + |