forked from AuroraMiddleware/gtk
8a2b3f0692
If the ATContext state hasn't changed—for instance, if the accessible attributes have been set to their default value, or have been set to the same value—do not emit an accessible state change. State changes can be arbitrarily expensive, so we want to ensure that they are meaningful.
141 lines
8.2 KiB
C
141 lines
8.2 KiB
C
/* gtkatcontextprivate.h: Private header for GtkATContext
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*
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* Copyright 2020 GNOME Foundation
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "gtkatcontext.h"
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#include "gtkaccessibleattributesetprivate.h"
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G_BEGIN_DECLS
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typedef enum {
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GTK_ACCESSIBLE_PROPERTY_CHANGE_AUTOCOMPLETE = 1 << GTK_ACCESSIBLE_PROPERTY_AUTOCOMPLETE,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_DESCRIPTION = 1 << GTK_ACCESSIBLE_PROPERTY_DESCRIPTION,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_HAS_POPUP = 1 << GTK_ACCESSIBLE_PROPERTY_HAS_POPUP,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_KEY_SHORTCUTS = 1 << GTK_ACCESSIBLE_PROPERTY_KEY_SHORTCUTS,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_LABEL = 1 << GTK_ACCESSIBLE_PROPERTY_LABEL,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_LEVEL = 1 << GTK_ACCESSIBLE_PROPERTY_LEVEL,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_MODAL = 1 << GTK_ACCESSIBLE_PROPERTY_MODAL,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_MULTI_LINE = 1 << GTK_ACCESSIBLE_PROPERTY_MULTI_LINE,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_MULTI_SELECTABLE = 1 << GTK_ACCESSIBLE_PROPERTY_MULTI_SELECTABLE,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_ORIENTATION = 1 << GTK_ACCESSIBLE_PROPERTY_ORIENTATION,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_PLACEHOLDER = 1 << GTK_ACCESSIBLE_PROPERTY_PLACEHOLDER,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_READ_ONLY = 1 << GTK_ACCESSIBLE_PROPERTY_READ_ONLY,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_REQUIRED = 1 << GTK_ACCESSIBLE_PROPERTY_REQUIRED,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_ROLE_DESCRIPTION = 1 << GTK_ACCESSIBLE_PROPERTY_ROLE_DESCRIPTION,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_SORT = 1 << GTK_ACCESSIBLE_PROPERTY_SORT,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_VALUE_MAX = 1 << GTK_ACCESSIBLE_PROPERTY_VALUE_MAX,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_VALUE_MIN = 1 << GTK_ACCESSIBLE_PROPERTY_VALUE_MIN,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_VALUE_NOW = 1 << GTK_ACCESSIBLE_PROPERTY_VALUE_NOW,
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GTK_ACCESSIBLE_PROPERTY_CHANGE_VALUE_TEXT = 1 << GTK_ACCESSIBLE_PROPERTY_VALUE_TEXT
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} GtkAccessiblePropertyChange;
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typedef enum {
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GTK_ACCESSIBLE_RELATION_CHANGE_ACTIVE_DESCENDANT = 1 << GTK_ACCESSIBLE_RELATION_ACTIVE_DESCENDANT,
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GTK_ACCESSIBLE_RELATION_CHANGE_COL_COUNT = 1 << GTK_ACCESSIBLE_RELATION_COL_COUNT,
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GTK_ACCESSIBLE_RELATION_CHANGE_COL_INDEX = 1 << GTK_ACCESSIBLE_RELATION_COL_INDEX,
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GTK_ACCESSIBLE_RELATION_CHANGE_COL_INDEX_TEXT = 1 << GTK_ACCESSIBLE_RELATION_COL_INDEX_TEXT,
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GTK_ACCESSIBLE_RELATION_CHANGE_COL_SPAN = 1 << GTK_ACCESSIBLE_RELATION_COL_SPAN,
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GTK_ACCESSIBLE_RELATION_CHANGE_CONTROLS = 1 << GTK_ACCESSIBLE_RELATION_CONTROLS,
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GTK_ACCESSIBLE_RELATION_CHANGE_DESCRIBED_BY = 1 << GTK_ACCESSIBLE_RELATION_DESCRIBED_BY,
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GTK_ACCESSIBLE_RELATION_CHANGE_DETAILS = 1 << GTK_ACCESSIBLE_RELATION_DETAILS,
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GTK_ACCESSIBLE_RELATION_CHANGE_ERROR_MESSAGE = 1 << GTK_ACCESSIBLE_RELATION_ERROR_MESSAGE,
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GTK_ACCESSIBLE_RELATION_CHANGE_FLOW_TO = 1 << GTK_ACCESSIBLE_RELATION_FLOW_TO,
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GTK_ACCESSIBLE_RELATION_CHANGE_LABELLED_BY = 1 << GTK_ACCESSIBLE_RELATION_LABELLED_BY,
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GTK_ACCESSIBLE_RELATION_CHANGE_OWNS = 1 << GTK_ACCESSIBLE_RELATION_OWNS,
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GTK_ACCESSIBLE_RELATION_CHANGE_POS_IN_SET = 1 << GTK_ACCESSIBLE_RELATION_POS_IN_SET,
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GTK_ACCESSIBLE_RELATION_CHANGE_ROW_COUNT = 1 << GTK_ACCESSIBLE_RELATION_ROW_COUNT,
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GTK_ACCESSIBLE_RELATION_CHANGE_ROW_INDEX = 1 << GTK_ACCESSIBLE_RELATION_ROW_INDEX,
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GTK_ACCESSIBLE_RELATION_CHANGE_ROW_INDEX_TEXT = 1 << GTK_ACCESSIBLE_RELATION_ROW_INDEX_TEXT,
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GTK_ACCESSIBLE_RELATION_CHANGE_ROW_SPAN = 1 << GTK_ACCESSIBLE_RELATION_ROW_SPAN,
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GTK_ACCESSIBLE_RELATION_CHANGE_SET_SIZE = 1 << GTK_ACCESSIBLE_RELATION_SET_SIZE
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} GtkAccessibleRelationChange;
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typedef enum {
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GTK_ACCESSIBLE_STATE_CHANGE_BUSY = 1 << GTK_ACCESSIBLE_STATE_BUSY,
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GTK_ACCESSIBLE_STATE_CHANGE_CHECKED = 1 << GTK_ACCESSIBLE_STATE_CHECKED,
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GTK_ACCESSIBLE_STATE_CHANGE_DISABLED = 1 << GTK_ACCESSIBLE_STATE_DISABLED,
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GTK_ACCESSIBLE_STATE_CHANGE_EXPANDED = 1 << GTK_ACCESSIBLE_STATE_EXPANDED,
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GTK_ACCESSIBLE_STATE_CHANGE_HIDDEN = 1 << GTK_ACCESSIBLE_STATE_HIDDEN,
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GTK_ACCESSIBLE_STATE_CHANGE_INVALID = 1 << GTK_ACCESSIBLE_STATE_INVALID,
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GTK_ACCESSIBLE_STATE_CHANGE_PRESSED = 1 << GTK_ACCESSIBLE_STATE_PRESSED,
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GTK_ACCESSIBLE_STATE_CHANGE_SELECTED = 1 << GTK_ACCESSIBLE_STATE_SELECTED
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} GtkAccessibleStateChange;
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struct _GtkATContext
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{
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GObject parent_instance;
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GtkAccessibleRole accessible_role;
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GtkAccessible *accessible;
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GtkAccessibleAttributeSet *states;
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GtkAccessibleAttributeSet *properties;
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GtkAccessibleAttributeSet *relations;
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GtkAccessibleStateChange updated_states;
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GtkAccessiblePropertyChange updated_properties;
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GtkAccessibleRelationChange updated_relations;
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};
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struct _GtkATContextClass
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{
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GObjectClass parent_class;
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void (* state_change) (GtkATContext *self,
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GtkAccessibleStateChange changed_states,
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GtkAccessiblePropertyChange changed_properties,
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GtkAccessibleRelationChange changed_relations,
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GtkAccessibleAttributeSet *states,
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GtkAccessibleAttributeSet *properties,
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GtkAccessibleAttributeSet *relations);
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};
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void gtk_at_context_update (GtkATContext *self);
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void gtk_at_context_set_accessible_state (GtkATContext *self,
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GtkAccessibleState state,
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GtkAccessibleValue *value);
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gboolean gtk_at_context_has_accessible_state (GtkATContext *self,
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GtkAccessibleState state);
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GtkAccessibleValue * gtk_at_context_get_accessible_state (GtkATContext *self,
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GtkAccessibleState state);
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void gtk_at_context_set_accessible_property (GtkATContext *self,
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GtkAccessibleProperty property,
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GtkAccessibleValue *value);
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gboolean gtk_at_context_has_accessible_property (GtkATContext *self,
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GtkAccessibleProperty property);
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GtkAccessibleValue * gtk_at_context_get_accessible_property (GtkATContext *self,
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GtkAccessibleProperty property);
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void gtk_at_context_set_accessible_relation (GtkATContext *self,
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GtkAccessibleRelation property,
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GtkAccessibleValue *value);
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gboolean gtk_at_context_has_accessible_relation (GtkATContext *self,
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GtkAccessibleRelation relation);
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GtkAccessibleValue * gtk_at_context_get_accessible_relation (GtkATContext *self,
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GtkAccessibleRelation relation);
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const char * gtk_accessible_property_get_attribute_name (GtkAccessibleProperty property);
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const char * gtk_accessible_relation_get_attribute_name (GtkAccessibleRelation relation);
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const char * gtk_accessible_state_get_attribute_name (GtkAccessibleState state);
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G_END_DECLS
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