qt6-bb10/src/gui/accessible/linux/atspiadaptor_p.h

199 lines
8.7 KiB
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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef ATSPIADAPTOR_H
#define ATSPIADAPTOR_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <atspi/atspi.h>
#include <QtGui/private/qtguiglobal_p.h>
#include <QtDBus/qdbusvirtualobject.h>
#include <QtGui/qaccessible.h>
#include "dbusconnection_p.h"
#include "qspi_struct_marshallers_p.h"
QT_REQUIRE_CONFIG(accessibility);
QT_BEGIN_NAMESPACE
class QAccessibleInterface;
class QSpiApplicationAdaptor;
class AtSpiAdaptor :public QDBusVirtualObject
{
Q_OBJECT
public:
explicit AtSpiAdaptor(QAtSpiDBusConnection *connection, QObject *parent = nullptr);
~AtSpiAdaptor();
void registerApplication();
QString introspect(const QString &path) const override;
bool handleMessage(const QDBusMessage &message, const QDBusConnection &connection) override;
void notify(QAccessibleEvent *event);
public Q_SLOTS:
void eventListenerRegistered(const QString &bus, const QString &path);
void eventListenerDeregistered(const QString &bus, const QString &path);
void windowActivated(QObject* window, bool active);
private:
void updateEventListeners();
void setBitFlag(const QString &flag);
// sending messages
static QVariantList packDBusSignalArguments(const QString &type, int data1, int data2, const QVariant &variantData);
bool sendDBusSignal(const QString &path, const QString &interface, const QString &name, const QVariantList &arguments) const;
QVariant variantForPath(const QString &path) const;
void sendFocusChanged(QAccessibleInterface *interface) const;
void notifyAboutCreation(QAccessibleInterface *interface) const;
void notifyAboutDestruction(QAccessibleInterface *interface) const;
void childrenChanged(QAccessibleInterface *interface) const;
// handlers for the different accessible interfaces
bool applicationInterface(QAccessibleInterface *interface, const QString &function, const QDBusMessage &message, const QDBusConnection &connection);
bool accessibleInterface(QAccessibleInterface *interface, const QString &function, const QDBusMessage &message, const QDBusConnection &connection);
bool componentInterface(QAccessibleInterface *interface, const QString &function, const QDBusMessage &message, const QDBusConnection &connection);
bool actionInterface(QAccessibleInterface *interface, const QString &function, const QDBusMessage &message, const QDBusConnection &connection);
bool textInterface(QAccessibleInterface *interface, const QString &function, const QDBusMessage &message, const QDBusConnection &connection);
bool editableTextInterface(QAccessibleInterface *interface, const QString &function, const QDBusMessage &message, const QDBusConnection &connection);
bool valueInterface(QAccessibleInterface *interface, const QString &function, const QDBusMessage &message, const QDBusConnection &connection);
bool selectionInterface(QAccessibleInterface *interface, const QString &function, const QDBusMessage &message, const QDBusConnection &connection);
bool tableInterface(QAccessibleInterface *interface, const QString &function, const QDBusMessage &message, const QDBusConnection &connection);
bool tableCellInterface(QAccessibleInterface *interface, const QString &function, const QDBusMessage &message, const QDBusConnection &connection);
void sendReply(const QDBusConnection &connection, const QDBusMessage &message, const QVariant &argument) const;
QAccessibleInterface *interfaceFromPath(const QString& dbusPath) const;
QString pathForInterface(QAccessibleInterface *interface) const;
QString pathForObject(QObject *object) const;
void notifyStateChange(QAccessibleInterface *interface, const QString& state, int value);
void sendAnnouncement(QAccessibleAnnouncementEvent *event);
// accessible helper functions
AtspiRole getRole(QAccessibleInterface *interface) const;
QSpiAttributeSet getAttributes(QAccessibleInterface *) const;
QSpiRelationArray relationSet(QAccessibleInterface *interface, const QDBusConnection &connection) const;
QStringList accessibleInterfaces(QAccessibleInterface *interface) const;
// component helper functions
static QRect getExtents(QAccessibleInterface *interface, uint coordType);
static bool isValidCoordType(uint coordType);
static QRect translateFromScreenCoordinates(QAccessibleInterface *interface, const QRect &rect, uint targetCoordType);
static QPoint translateToScreenCoordinates(QAccessibleInterface *interface, const QPoint &pos, uint fromCoordType);
// action helper functions
QSpiActionArray getActions(QAccessibleInterface *interface) const;
// text helper functions
QVariantList getAttributes(QAccessibleInterface *, int offset, bool includeDefaults) const;
QString getAttributeValue(QAccessibleInterface *, int offset, const QString &attributeName) const;
QList<QVariant> getCharacterExtents(QAccessibleInterface *, int offset, uint coordType) const;
QList<QVariant> getRangeExtents(QAccessibleInterface *, int startOffset, int endOffset, uint coordType) const;
static QAccessible::TextBoundaryType qAccessibleBoundaryTypeFromAtspiBoundaryType(int atspiTextBoundaryType);
static bool isValidAtspiTextGranularity(uint coordType);
static QAccessible::TextBoundaryType qAccessibleBoundaryTypeFromAtspiTextGranularity(uint atspiTextGranularity);
static bool inheritsQAction(QObject *object);
// private vars
QSpiObjectReference accessibilityRegistry;
QAtSpiDBusConnection *m_dbus;
QSpiApplicationAdaptor *m_applicationAdaptor;
/// Assigned from the accessibility registry.
int m_applicationId;
// Bit fields - which updates to send
// AT-SPI has some events that we do not care about:
// document
// document-load-complete
// document-load-stopped
// document-reload
uint sendFocus : 1;
// mouse abs/rel/button
// all of object
uint sendObject : 1;
uint sendObject_active_descendant_changed : 1;
uint sendObject_announcement : 1;
uint sendObject_attributes_changed : 1;
uint sendObject_bounds_changed : 1;
uint sendObject_children_changed : 1;
// uint sendObject_children_changed_add : 1;
// uint sendObject_children_changed_remove : 1;
uint sendObject_column_deleted : 1;
uint sendObject_column_inserted : 1;
uint sendObject_column_reordered : 1;
uint sendObject_link_selected : 1;
uint sendObject_model_changed : 1;
uint sendObject_property_change : 1;
uint sendObject_property_change_accessible_description : 1;
uint sendObject_property_change_accessible_name : 1;
uint sendObject_property_change_accessible_parent : 1;
uint sendObject_property_change_accessible_role : 1;
uint sendObject_property_change_accessible_table_caption : 1;
uint sendObject_property_change_accessible_table_column_description : 1;
uint sendObject_property_change_accessible_table_column_header : 1;
uint sendObject_property_change_accessible_table_row_description : 1;
uint sendObject_property_change_accessible_table_row_header : 1;
uint sendObject_property_change_accessible_table_summary : 1;
uint sendObject_property_change_accessible_value : 1;
uint sendObject_row_deleted : 1;
uint sendObject_row_inserted : 1;
uint sendObject_row_reordered : 1;
uint sendObject_selection_changed : 1;
uint sendObject_state_changed : 1;
uint sendObject_text_attributes_changed : 1;
uint sendObject_text_bounds_changed : 1;
uint sendObject_text_caret_moved : 1;
uint sendObject_text_changed : 1;
// uint sendObject_text_changed_delete : 1;
// uint sendObject_text_changed_insert : 1;
uint sendObject_text_selection_changed : 1;
uint sendObject_value_changed : 1;
uint sendObject_visible_data_changed : 1;
// we don't implement terminal
// terminal-application_changed/charwidth_changed/columncount_changed/line_changed/linecount_changed
uint sendWindow : 1;
uint sendWindow_activate : 1;
uint sendWindow_close: 1;
uint sendWindow_create : 1;
uint sendWindow_deactivate : 1;
// uint sendWindow_desktop_create : 1;
// uint sendWindow_desktop_destroy : 1;
uint sendWindow_lower : 1;
uint sendWindow_maximize : 1;
uint sendWindow_minimize : 1;
uint sendWindow_move : 1;
uint sendWindow_raise : 1;
uint sendWindow_reparent : 1;
uint sendWindow_resize : 1;
uint sendWindow_restore : 1;
uint sendWindow_restyle : 1;
uint sendWindow_shade : 1;
uint sendWindow_unshade : 1;
};
QT_END_NAMESPACE
#endif