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Diffstat (limited to 'libview/ev-form-field-accessible.c')
| -rw-r--r-- | libview/ev-form-field-accessible.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/libview/ev-form-field-accessible.c b/libview/ev-form-field-accessible.c new file mode 100644 index 00000000..2daeceda --- /dev/null +++ b/libview/ev-form-field-accessible.c @@ -0,0 +1,241 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */ +/* this file is part of atril, a mate document viewer + * + * Copyright (C) 2014 Igalia + * Author: Joanmarie Diggs <[email protected]> + * + * Atril is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Atril 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include <config.h> + +#include "ev-form-field-accessible.h" +#include "ev-view-private.h" + +struct _EvFormFieldAccessiblePrivate { + EvPageAccessible *page; + EvFormField *form_field; + EvRectangle area; +}; + +static void ev_form_field_accessible_component_iface_init (AtkComponentIface *iface); + +G_DEFINE_TYPE_WITH_CODE (EvFormFieldAccessible, ev_form_field_accessible, ATK_TYPE_OBJECT, + G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT, ev_form_field_accessible_component_iface_init)) + +static void +ev_form_field_accessible_get_extents (AtkComponent *atk_component, + gint *x, + gint *y, + gint *width, + gint *height, + AtkCoordType coord_type) +{ + EvFormFieldAccessible *self; + EvViewAccessible *view_accessible; + gint page; + EvRectangle atk_rect; + + self = EV_FORM_FIELD_ACCESSIBLE (atk_component); + view_accessible = ev_page_accessible_get_view_accessible (self->priv->page); + page = ev_page_accessible_get_page (self->priv->page); + _transform_doc_rect_to_atk_rect (view_accessible, page, &self->priv->area, &atk_rect, coord_type); + *x = atk_rect.x1; + *y = atk_rect.y1; + *width = atk_rect.x2 - atk_rect.x1; + *height = atk_rect.y2 - atk_rect.y1; +} + +static gboolean +ev_form_field_accessible_grab_focus (AtkComponent *atk_component) +{ + EvFormFieldAccessible *self; + EvView *view; + + self = EV_FORM_FIELD_ACCESSIBLE (atk_component); + view = ev_page_accessible_get_view (self->priv->page); + _ev_view_focus_form_field (view, self->priv->form_field); + + return TRUE; +} + +static void +ev_form_field_accessible_component_iface_init (AtkComponentIface *iface) +{ + iface->get_extents = ev_form_field_accessible_get_extents; + iface->grab_focus = ev_form_field_accessible_grab_focus; +} + +static AtkObject * +ev_form_field_accessible_get_parent (AtkObject *atk_object) +{ + EvFormFieldAccessiblePrivate *priv = EV_FORM_FIELD_ACCESSIBLE (atk_object)->priv; + + return ATK_OBJECT (priv->page); +} + +static AtkRole +ev_form_field_accessible_get_role (AtkObject *atk_object) +{ + EvFormField *ev_form_field; + + ev_form_field = EV_FORM_FIELD_ACCESSIBLE (atk_object)->priv->form_field; + if (EV_IS_FORM_FIELD_BUTTON (ev_form_field)) { + EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (ev_form_field); + + switch (field_button->type) { + case EV_FORM_FIELD_BUTTON_CHECK: + return ATK_ROLE_CHECK_BOX; + case EV_FORM_FIELD_BUTTON_RADIO: + return ATK_ROLE_RADIO_BUTTON; + case EV_FORM_FIELD_BUTTON_PUSH: + return ATK_ROLE_PUSH_BUTTON; + default: + return ATK_ROLE_UNKNOWN; + } + } + + if (EV_IS_FORM_FIELD_CHOICE (ev_form_field)) { + EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (ev_form_field); + + switch (field_choice->type) { + case EV_FORM_FIELD_CHOICE_COMBO: + return ATK_ROLE_COMBO_BOX; + case EV_FORM_FIELD_CHOICE_LIST: + return ATK_ROLE_LIST_BOX; + default: + return ATK_ROLE_UNKNOWN; + } + } + + if (EV_IS_FORM_FIELD_TEXT (ev_form_field)) { + EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (ev_form_field); + + if (field_text->is_password) + return ATK_ROLE_PASSWORD_TEXT; + else if (field_text->type == EV_FORM_FIELD_TEXT_MULTILINE) + return ATK_ROLE_TEXT; + else + return ATK_ROLE_ENTRY; + } + + return ATK_ROLE_UNKNOWN; +} + +static AtkStateSet * +ev_form_field_accessible_ref_state_set (AtkObject *atk_object) +{ + AtkStateSet *state_set; + AtkStateSet *copy_set; + AtkStateSet *page_accessible_state_set; + EvFormFieldAccessible *self; + EvFormField *ev_form_field; + EvViewAccessible *view_accessible; + gint page; + + self = EV_FORM_FIELD_ACCESSIBLE (atk_object); + state_set = ATK_OBJECT_CLASS (ev_form_field_accessible_parent_class)->ref_state_set (atk_object); + atk_state_set_clear_states (state_set); + + page_accessible_state_set = atk_object_ref_state_set (ATK_OBJECT (self->priv->page)); + copy_set = atk_state_set_or_sets (state_set, page_accessible_state_set); + + view_accessible = ev_page_accessible_get_view_accessible (self->priv->page); + page = ev_page_accessible_get_page (self->priv->page); + if (!ev_view_accessible_is_doc_rect_showing (view_accessible, page, &self->priv->area)) + atk_state_set_remove_state (copy_set, ATK_STATE_SHOWING); + + ev_form_field = EV_FORM_FIELD_ACCESSIBLE (atk_object)->priv->form_field; + if (EV_IS_FORM_FIELD_BUTTON (ev_form_field)) { + EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (ev_form_field); + + if (field_button->state) { + if (field_button->type == EV_FORM_FIELD_BUTTON_PUSH) + atk_state_set_add_state (copy_set, ATK_STATE_PRESSED); + else + atk_state_set_add_state (copy_set, ATK_STATE_CHECKED); + } + } + + else if (EV_IS_FORM_FIELD_CHOICE (ev_form_field)) { + EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (ev_form_field); + + if (field_choice->is_editable && !ev_form_field->is_read_only) + atk_state_set_add_state (copy_set, ATK_STATE_EDITABLE); + if (field_choice->multi_select) + atk_state_set_add_state (copy_set, ATK_STATE_MULTISELECTABLE); + } + + else if (EV_IS_FORM_FIELD_TEXT (ev_form_field)) { + EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (ev_form_field); + + if (!ev_form_field->is_read_only) + atk_state_set_add_state (copy_set, ATK_STATE_EDITABLE); + if (field_text->type == EV_FORM_FIELD_TEXT_NORMAL) + atk_state_set_add_state (copy_set, ATK_STATE_SINGLE_LINE); + else if (field_text->type == EV_FORM_FIELD_TEXT_MULTILINE) + atk_state_set_add_state (copy_set, ATK_STATE_MULTI_LINE); + } + + g_object_unref (state_set); + g_object_unref (page_accessible_state_set); + + return copy_set; +} + +static void +ev_form_field_accessible_finalize (GObject *object) +{ + EvFormFieldAccessiblePrivate *priv = EV_FORM_FIELD_ACCESSIBLE (object)->priv; + + g_object_unref (priv->form_field); + + G_OBJECT_CLASS (ev_form_field_accessible_parent_class)->finalize (object); +} + +static void +ev_form_field_accessible_class_init (EvFormFieldAccessibleClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + AtkObjectClass *atk_class = ATK_OBJECT_CLASS (klass); + + object_class->finalize = ev_form_field_accessible_finalize; + atk_class->get_parent = ev_form_field_accessible_get_parent; + atk_class->get_role = ev_form_field_accessible_get_role; + atk_class->ref_state_set = ev_form_field_accessible_ref_state_set; + + g_type_class_add_private (klass, sizeof (EvFormFieldAccessiblePrivate)); +} + +static void +ev_form_field_accessible_init (EvFormFieldAccessible *accessible) +{ + accessible->priv = G_TYPE_INSTANCE_GET_PRIVATE (accessible, EV_TYPE_FORM_FIELD_ACCESSIBLE, EvFormFieldAccessiblePrivate); +} + +EvFormFieldAccessible* +ev_form_field_accessible_new (EvPageAccessible *page, + EvFormField *form_field, + EvRectangle *area) +{ + EvFormFieldAccessible *atk_form_field; + + atk_form_field = g_object_new (EV_TYPE_FORM_FIELD_ACCESSIBLE, NULL); + atk_form_field->priv->page = page; + atk_form_field->priv->form_field = g_object_ref (form_field); + atk_form_field->priv->area = *area; + + return EV_FORM_FIELD_ACCESSIBLE (atk_form_field); +} |