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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef ACCESSIBILITYSCENEMANAGER_H
#define ACCESSIBILITYSCENEMANAGER_H
#include <QtGui>
#include "optionswidget.h"
QString translateRole(QAccessible::Role role);
class AccessibilitySceneManager : public QObject
{
Q_OBJECT
public:
AccessibilitySceneManager();
void setRootWindow(QWindow * window) { m_window = window; }
void setView(QGraphicsView *view) { m_view = view; }
void setScene(QGraphicsScene *scene) { m_scene = scene; }
void setTreeView(QGraphicsView *treeView) { m_treeView = treeView; }
void setTreeScene(QGraphicsScene *treeScene) { m_treeScene = treeScene; }
void setOptionsWidget(OptionsWidget *optionsWidget) { m_optionsWidget = optionsWidget; }
public slots:
void populateAccessibilityScene();
void updateAccessibilitySceneItemFlags();
void populateAccessibilityTreeScene();
void handleUpdate(QAccessibleEvent *event);
void setSelected(QObject *object);
void changeScale(int scale);
private:
void updateItems(QObject *root);
void updateItem(QObject *object);
void updateItem(QGraphicsRectItem *item, QAccessibleInterface *interface);
void updateItemFlags(QGraphicsRectItem *item, QAccessibleInterface *interface);
void populateAccessibilityScene(QAccessibleInterface * interface, QGraphicsScene *scene);
QGraphicsRectItem * processInterface(QAccessibleInterface * interface, QGraphicsScene *scene);
struct TreeItem;
TreeItem computeLevels(QAccessibleInterface * interface, int level);
void populateAccessibilityTreeScene(QAccessibleInterface * interface);
void addGraphicsItems(TreeItem item, int row, int xPos);
bool isHidden(QAccessibleInterface *interface);
QWindow *m_window;
QGraphicsView *m_view;
QGraphicsScene *m_scene;
QGraphicsView *m_treeView;
QGraphicsScene *m_treeScene;
QGraphicsItem *m_rootItem;
OptionsWidget *m_optionsWidget;
QObject *m_selectedObject;
QHash<QObject *, QGraphicsRectItem*> m_graphicsItems;
QSet<QObject *> m_animatedObjects;
struct TreeItem {
QList<TreeItem> children;
int width;
QString name;
QString role;
QString description;
QRect rect;
QAccessible::State state;
QObject *object;
TreeItem() : width(0) {}
};
TreeItem m_rootTreeItem;
int m_treeItemWidth;
int m_treeItemHorizontalPadding;
int m_treeItemHeight;
int m_treeItemVerticalPadding;
};
#endif // ACCESSIBILITYSCENEMANAGER_H
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