common/include/QtWidgets/qaccessiblewidgets.h - platform/prebuilts/android-emulator-build/qt - Git at Google

 /****************************************************************************
 **
 ** Copyright (C) 2015 The Qt Company Ltd.
 ** Contact: http://www.qt.io/licensing/
 **
 ** This file is part of the plugins 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 QACCESSIBLEWIDGETS_H
 #define QACCESSIBLEWIDGETS_H

 #include <QtWidgets/qaccessiblewidget.h>

 #ifndef QT_NO_ACCESSIBILITY

 #include <QtCore/QPointer>
 #include <QtCore/QPair>

 QT_BEGIN_NAMESPACE

 class QTextEdit;
 class QStackedWidget;
 class QToolBox;
 class QMdiArea;
 class QMdiSubWindow;
 class QRubberBand;
 class QTextBrowser;
 class QCalendarWidget;
 class QAbstractItemView;
 class QDockWidget;
 class QDockWidgetLayout;
 class QMainWindow;
 class QPlainTextEdit;
 class QTextCursor;
 class QTextDocument;

 #ifndef QT_NO_CURSOR
 class QAccessibleTextWidget : public QAccessibleWidget,
                               public QAccessibleTextInterface,
                               public QAccessibleEditableTextInterface
 {
 public:
     QAccessibleTextWidget(QWidget *o, QAccessible::Role r = QAccessible::EditableText, const QString &name = QString());

     QAccessible::State state() const Q_DECL_OVERRIDE;

     // QAccessibleTextInterface
     //  selection
     void selection(int selectionIndex, int *startOffset, int *endOffset) const Q_DECL_OVERRIDE;
     int selectionCount() const Q_DECL_OVERRIDE;
     void addSelection(int startOffset, int endOffset) Q_DECL_OVERRIDE;
     void removeSelection(int selectionIndex) Q_DECL_OVERRIDE;
     void setSelection(int selectionIndex, int startOffset, int endOffset) Q_DECL_OVERRIDE;

     // cursor
     int cursorPosition() const Q_DECL_OVERRIDE;
     void setCursorPosition(int position) Q_DECL_OVERRIDE;

     // text
     QString text(int startOffset, int endOffset) const Q_DECL_OVERRIDE;
     QString textBeforeOffset(int offset, QAccessible::TextBoundaryType boundaryType,
                              int *startOffset, int *endOffset) const Q_DECL_OVERRIDE;
     QString textAfterOffset(int offset, QAccessible::TextBoundaryType boundaryType,
                             int *startOffset, int *endOffset) const Q_DECL_OVERRIDE;
     QString textAtOffset(int offset, QAccessible::TextBoundaryType boundaryType,
                          int *startOffset, int *endOffset) const Q_DECL_OVERRIDE;
     int characterCount() const Q_DECL_OVERRIDE;

     // character <-> geometry
     QRect characterRect(int offset) const Q_DECL_OVERRIDE;
     int offsetAtPoint(const QPoint &point) const Q_DECL_OVERRIDE;

     QString attributes(int offset, int *startOffset, int *endOffset) const Q_DECL_OVERRIDE;

     // QAccessibleEditableTextInterface
     void deleteText(int startOffset, int endOffset) Q_DECL_OVERRIDE;
     void insertText(int offset, const QString &text) Q_DECL_OVERRIDE;
     void replaceText(int startOffset, int endOffset, const QString &text) Q_DECL_OVERRIDE;

     using QAccessibleWidget::text;

 protected:
     QTextCursor textCursorForRange(int startOffset, int endOffset) const;
     virtual QPoint scrollBarPosition() const;
     // return the current text cursor at the caret position including a potential selection
     virtual QTextCursor textCursor() const = 0;
     virtual void setTextCursor(const QTextCursor &) = 0;
     virtual QTextDocument *textDocument() const = 0;
     virtual QWidget *viewport() const = 0;
 };

 #ifndef QT_NO_TEXTEDIT
 class QAccessiblePlainTextEdit : public QAccessibleTextWidget
 {
 public:
     explicit QAccessiblePlainTextEdit(QWidget *o);

     QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;
     void setText(QAccessible::Text t, const QString &text) Q_DECL_OVERRIDE;
     QAccessible::State state() const Q_DECL_OVERRIDE;

     void *interface_cast(QAccessible::InterfaceType t) Q_DECL_OVERRIDE;

     // QAccessibleTextInterface
     void scrollToSubstring(int startIndex, int endIndex) Q_DECL_OVERRIDE;

     using QAccessibleTextWidget::text;

 protected:
     QPlainTextEdit *plainTextEdit() const;

     QPoint scrollBarPosition() const Q_DECL_OVERRIDE;
     QTextCursor textCursor() const Q_DECL_OVERRIDE;
     void setTextCursor(const QTextCursor &textCursor) Q_DECL_OVERRIDE;
     QTextDocument *textDocument() const Q_DECL_OVERRIDE;
     QWidget *viewport() const Q_DECL_OVERRIDE;
 };

 class QAccessibleTextEdit : public QAccessibleTextWidget
 {
 public:
     explicit QAccessibleTextEdit(QWidget *o);

     QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;
     void setText(QAccessible::Text t, const QString &text) Q_DECL_OVERRIDE;
     QAccessible::State state() const Q_DECL_OVERRIDE;

     void *interface_cast(QAccessible::InterfaceType t) Q_DECL_OVERRIDE;

     // QAccessibleTextInterface
     void scrollToSubstring(int startIndex, int endIndex) Q_DECL_OVERRIDE;

     using QAccessibleTextWidget::text;

 protected:
     QTextEdit *textEdit() const;

     QPoint scrollBarPosition() const Q_DECL_OVERRIDE;
     QTextCursor textCursor() const Q_DECL_OVERRIDE;
     void setTextCursor(const QTextCursor &textCursor) Q_DECL_OVERRIDE;
     QTextDocument *textDocument() const Q_DECL_OVERRIDE;
     QWidget *viewport() const Q_DECL_OVERRIDE;
 };
 #endif // QT_NO_TEXTEDIT
 #endif  //QT_NO_CURSOR

 class QAccessibleStackedWidget : public QAccessibleWidget
 {
 public:
     explicit QAccessibleStackedWidget(QWidget *widget);

     QAccessibleInterface *childAt(int x, int y) const Q_DECL_OVERRIDE;
     int childCount() const Q_DECL_OVERRIDE;
     int indexOfChild(const QAccessibleInterface *child) const Q_DECL_OVERRIDE;
     QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;

 protected:
     QStackedWidget *stackedWidget() const;
 };

 class QAccessibleToolBox : public QAccessibleWidget
 {
 public:
     explicit QAccessibleToolBox(QWidget *widget);

 // FIXME we currently expose the toolbox but it is not keyboard navigatable
 // and the accessible hierarchy is not exactly beautiful.
 //    int childCount() const;
 //    QAccessibleInterface *child(int index) const;
 //    int indexOfChild(const QAccessibleInterface *child) const;

 protected:
     QToolBox *toolBox() const;
 };

 #ifndef QT_NO_MDIAREA
 class QAccessibleMdiArea : public QAccessibleWidget
 {
 public:
     explicit QAccessibleMdiArea(QWidget *widget);

     int childCount() const Q_DECL_OVERRIDE;
     QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;
     int indexOfChild(const QAccessibleInterface *child) const Q_DECL_OVERRIDE;

 protected:
     QMdiArea *mdiArea() const;
 };

 class QAccessibleMdiSubWindow : public QAccessibleWidget
 {
 public:
     explicit QAccessibleMdiSubWindow(QWidget *widget);

     QString text(QAccessible::Text textType) const Q_DECL_OVERRIDE;
     void setText(QAccessible::Text textType, const QString &text) Q_DECL_OVERRIDE;
     QAccessible::State state() const Q_DECL_OVERRIDE;
     int childCount() const Q_DECL_OVERRIDE;
     QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;
     int indexOfChild(const QAccessibleInterface *child) const Q_DECL_OVERRIDE;
     QRect rect() const Q_DECL_OVERRIDE;

 protected:
     QMdiSubWindow *mdiSubWindow() const;
 };
 #endif // QT_NO_MDIAREA

 class QAccessibleDialogButtonBox : public QAccessibleWidget
 {
 public:
     explicit QAccessibleDialogButtonBox(QWidget *widget);
 };

 #if !defined(QT_NO_TEXTBROWSER) && !defined(QT_NO_CURSOR)
 class QAccessibleTextBrowser : public QAccessibleTextEdit
 {
 public:
     explicit QAccessibleTextBrowser(QWidget *widget);

     QAccessible::Role role() const Q_DECL_OVERRIDE;
 };
 #endif // QT_NO_TEXTBROWSER && QT_NO_CURSOR

 #ifndef QT_NO_CALENDARWIDGET
 class QAccessibleCalendarWidget : public QAccessibleWidget
 {
 public:
     explicit QAccessibleCalendarWidget(QWidget *widget);

     int childCount() const Q_DECL_OVERRIDE;
     int indexOfChild(const QAccessibleInterface *child) const Q_DECL_OVERRIDE;

     QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;

 protected:
     QCalendarWidget *calendarWidget() const;

 private:
     QAbstractItemView *calendarView() const;
     QWidget *navigationBar() const;
 };
 #endif // QT_NO_CALENDARWIDGET

 #ifndef QT_NO_DOCKWIDGET
 class QAccessibleDockWidget: public QAccessibleWidget
 {
 public:
     explicit QAccessibleDockWidget(QWidget *widget);
     QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;
     int indexOfChild(const QAccessibleInterface *child) const Q_DECL_OVERRIDE;
     int childCount() const Q_DECL_OVERRIDE;
     QRect rect () const Q_DECL_OVERRIDE;
     QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;

     QDockWidget *dockWidget() const;
 protected:
     QDockWidgetLayout *dockWidgetLayout() const;
 };

 #endif // QT_NO_DOCKWIDGET

 #ifndef QT_NO_MAINWINDOW
 class QAccessibleMainWindow : public QAccessibleWidget
 {
 public:
     explicit QAccessibleMainWindow(QWidget *widget);

     QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;
     int childCount() const Q_DECL_OVERRIDE;
     int indexOfChild(const QAccessibleInterface *iface) const Q_DECL_OVERRIDE;
     QAccessibleInterface *childAt(int x, int y) const Q_DECL_OVERRIDE;
     QMainWindow *mainWindow() const;

 };
 #endif //QT_NO_MAINWINDOW

 #endif // QT_NO_ACCESSIBILITY

 QT_END_NAMESPACE

 #endif // QACESSIBLEWIDGETS_H
	/****************************************************************************
	**
	** Copyright (C) 2015 The Qt Company Ltd.
	** Contact: http://www.qt.io/licensing/
	**
	** This file is part of the plugins 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 QACCESSIBLEWIDGETS_H
	#define QACCESSIBLEWIDGETS_H

	#include <QtWidgets/qaccessiblewidget.h>

	#ifndef QT_NO_ACCESSIBILITY

	#include <QtCore/QPointer>
	#include <QtCore/QPair>

	QT_BEGIN_NAMESPACE

	class QTextEdit;
	class QStackedWidget;
	class QToolBox;
	class QMdiArea;
	class QMdiSubWindow;
	class QRubberBand;
	class QTextBrowser;
	class QCalendarWidget;
	class QAbstractItemView;
	class QDockWidget;
	class QDockWidgetLayout;
	class QMainWindow;
	class QPlainTextEdit;
	class QTextCursor;
	class QTextDocument;

	#ifndef QT_NO_CURSOR
	class QAccessibleTextWidget : public QAccessibleWidget,
	public QAccessibleTextInterface,
	public QAccessibleEditableTextInterface
	{
	public:
	QAccessibleTextWidget(QWidget *o, QAccessible::Role r = QAccessible::EditableText, const QString &name = QString());

	QAccessible::State state() const Q_DECL_OVERRIDE;

	// QAccessibleTextInterface
	// selection
	void selection(int selectionIndex, int startOffset, int endOffset) const Q_DECL_OVERRIDE;
	int selectionCount() const Q_DECL_OVERRIDE;
	void addSelection(int startOffset, int endOffset) Q_DECL_OVERRIDE;
	void removeSelection(int selectionIndex) Q_DECL_OVERRIDE;
	void setSelection(int selectionIndex, int startOffset, int endOffset) Q_DECL_OVERRIDE;

	// cursor
	int cursorPosition() const Q_DECL_OVERRIDE;
	void setCursorPosition(int position) Q_DECL_OVERRIDE;

	// text
	QString text(int startOffset, int endOffset) const Q_DECL_OVERRIDE;
	QString textBeforeOffset(int offset, QAccessible::TextBoundaryType boundaryType,
	int startOffset, int endOffset) const Q_DECL_OVERRIDE;
	QString textAfterOffset(int offset, QAccessible::TextBoundaryType boundaryType,
	int startOffset, int endOffset) const Q_DECL_OVERRIDE;
	QString textAtOffset(int offset, QAccessible::TextBoundaryType boundaryType,
	int startOffset, int endOffset) const Q_DECL_OVERRIDE;
	int characterCount() const Q_DECL_OVERRIDE;

	// character <-> geometry
	QRect characterRect(int offset) const Q_DECL_OVERRIDE;
	int offsetAtPoint(const QPoint &point) const Q_DECL_OVERRIDE;

	QString attributes(int offset, int startOffset, int endOffset) const Q_DECL_OVERRIDE;

	// QAccessibleEditableTextInterface
	void deleteText(int startOffset, int endOffset) Q_DECL_OVERRIDE;
	void insertText(int offset, const QString &text) Q_DECL_OVERRIDE;
	void replaceText(int startOffset, int endOffset, const QString &text) Q_DECL_OVERRIDE;

	using QAccessibleWidget::text;

	protected:
	QTextCursor textCursorForRange(int startOffset, int endOffset) const;
	virtual QPoint scrollBarPosition() const;
	// return the current text cursor at the caret position including a potential selection
	virtual QTextCursor textCursor() const = 0;
	virtual void setTextCursor(const QTextCursor &) = 0;
	virtual QTextDocument *textDocument() const = 0;
	virtual QWidget *viewport() const = 0;
	};

	#ifndef QT_NO_TEXTEDIT
	class QAccessiblePlainTextEdit : public QAccessibleTextWidget
	{
	public:
	explicit QAccessiblePlainTextEdit(QWidget *o);

	QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;
	void setText(QAccessible::Text t, const QString &text) Q_DECL_OVERRIDE;
	QAccessible::State state() const Q_DECL_OVERRIDE;

	void *interface_cast(QAccessible::InterfaceType t) Q_DECL_OVERRIDE;

	// QAccessibleTextInterface
	void scrollToSubstring(int startIndex, int endIndex) Q_DECL_OVERRIDE;

	using QAccessibleTextWidget::text;

	protected:
	QPlainTextEdit *plainTextEdit() const;

	QPoint scrollBarPosition() const Q_DECL_OVERRIDE;
	QTextCursor textCursor() const Q_DECL_OVERRIDE;
	void setTextCursor(const QTextCursor &textCursor) Q_DECL_OVERRIDE;
	QTextDocument *textDocument() const Q_DECL_OVERRIDE;
	QWidget *viewport() const Q_DECL_OVERRIDE;
	};

	class QAccessibleTextEdit : public QAccessibleTextWidget
	{
	public:
	explicit QAccessibleTextEdit(QWidget *o);

	QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;
	void setText(QAccessible::Text t, const QString &text) Q_DECL_OVERRIDE;
	QAccessible::State state() const Q_DECL_OVERRIDE;

	void *interface_cast(QAccessible::InterfaceType t) Q_DECL_OVERRIDE;

	// QAccessibleTextInterface
	void scrollToSubstring(int startIndex, int endIndex) Q_DECL_OVERRIDE;

	using QAccessibleTextWidget::text;

	protected:
	QTextEdit *textEdit() const;

	QPoint scrollBarPosition() const Q_DECL_OVERRIDE;
	QTextCursor textCursor() const Q_DECL_OVERRIDE;
	void setTextCursor(const QTextCursor &textCursor) Q_DECL_OVERRIDE;
	QTextDocument *textDocument() const Q_DECL_OVERRIDE;
	QWidget *viewport() const Q_DECL_OVERRIDE;
	};
	#endif // QT_NO_TEXTEDIT
	#endif //QT_NO_CURSOR

	class QAccessibleStackedWidget : public QAccessibleWidget
	{
	public:
	explicit QAccessibleStackedWidget(QWidget *widget);

	QAccessibleInterface *childAt(int x, int y) const Q_DECL_OVERRIDE;
	int childCount() const Q_DECL_OVERRIDE;
	int indexOfChild(const QAccessibleInterface *child) const Q_DECL_OVERRIDE;
	QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;

	protected:
	QStackedWidget *stackedWidget() const;
	};

	class QAccessibleToolBox : public QAccessibleWidget
	{
	public:
	explicit QAccessibleToolBox(QWidget *widget);

	// FIXME we currently expose the toolbox but it is not keyboard navigatable
	// and the accessible hierarchy is not exactly beautiful.
	// int childCount() const;
	// QAccessibleInterface *child(int index) const;
	// int indexOfChild(const QAccessibleInterface *child) const;

	protected:
	QToolBox *toolBox() const;
	};

	#ifndef QT_NO_MDIAREA
	class QAccessibleMdiArea : public QAccessibleWidget
	{
	public:
	explicit QAccessibleMdiArea(QWidget *widget);

	int childCount() const Q_DECL_OVERRIDE;
	QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;
	int indexOfChild(const QAccessibleInterface *child) const Q_DECL_OVERRIDE;

	protected:
	QMdiArea *mdiArea() const;
	};

	class QAccessibleMdiSubWindow : public QAccessibleWidget
	{
	public:
	explicit QAccessibleMdiSubWindow(QWidget *widget);

	QString text(QAccessible::Text textType) const Q_DECL_OVERRIDE;
	void setText(QAccessible::Text textType, const QString &text) Q_DECL_OVERRIDE;
	QAccessible::State state() const Q_DECL_OVERRIDE;
	int childCount() const Q_DECL_OVERRIDE;
	QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;
	int indexOfChild(const QAccessibleInterface *child) const Q_DECL_OVERRIDE;
	QRect rect() const Q_DECL_OVERRIDE;

	protected:
	QMdiSubWindow *mdiSubWindow() const;
	};
	#endif // QT_NO_MDIAREA

	class QAccessibleDialogButtonBox : public QAccessibleWidget
	{
	public:
	explicit QAccessibleDialogButtonBox(QWidget *widget);
	};

	#if !defined(QT_NO_TEXTBROWSER) && !defined(QT_NO_CURSOR)
	class QAccessibleTextBrowser : public QAccessibleTextEdit
	{
	public:
	explicit QAccessibleTextBrowser(QWidget *widget);

	QAccessible::Role role() const Q_DECL_OVERRIDE;
	};
	#endif // QT_NO_TEXTBROWSER && QT_NO_CURSOR

	#ifndef QT_NO_CALENDARWIDGET
	class QAccessibleCalendarWidget : public QAccessibleWidget
	{
	public:
	explicit QAccessibleCalendarWidget(QWidget *widget);

	int childCount() const Q_DECL_OVERRIDE;
	int indexOfChild(const QAccessibleInterface *child) const Q_DECL_OVERRIDE;

	QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;

	protected:
	QCalendarWidget *calendarWidget() const;

	private:
	QAbstractItemView *calendarView() const;
	QWidget *navigationBar() const;
	};
	#endif // QT_NO_CALENDARWIDGET

	#ifndef QT_NO_DOCKWIDGET
	class QAccessibleDockWidget: public QAccessibleWidget
	{
	public:
	explicit QAccessibleDockWidget(QWidget *widget);
	QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;
	int indexOfChild(const QAccessibleInterface *child) const Q_DECL_OVERRIDE;
	int childCount() const Q_DECL_OVERRIDE;
	QRect rect () const Q_DECL_OVERRIDE;
	QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;

	QDockWidget *dockWidget() const;
	protected:
	QDockWidgetLayout *dockWidgetLayout() const;
	};

	#endif // QT_NO_DOCKWIDGET

	#ifndef QT_NO_MAINWINDOW
	class QAccessibleMainWindow : public QAccessibleWidget
	{
	public:
	explicit QAccessibleMainWindow(QWidget *widget);

	QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;
	int childCount() const Q_DECL_OVERRIDE;
	int indexOfChild(const QAccessibleInterface *iface) const Q_DECL_OVERRIDE;
	QAccessibleInterface *childAt(int x, int y) const Q_DECL_OVERRIDE;
	QMainWindow *mainWindow() const;

	};
	#endif //QT_NO_MAINWINDOW

	#endif // QT_NO_ACCESSIBILITY

	QT_END_NAMESPACE

	#endif // QACESSIBLEWIDGETS_H