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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 QACCESSIBLEWIDGETS_H
#define QACCESSIBLEWIDGETS_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 <QtWidgets/private/qtwidgetsglobal_p.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 override;
// QAccessibleTextInterface
// selection
void selection(int selectionIndex, int *startOffset, int *endOffset) const override;
int selectionCount() const override;
void addSelection(int startOffset, int endOffset) override;
void removeSelection(int selectionIndex) override;
void setSelection(int selectionIndex, int startOffset, int endOffset) override;
// cursor
int cursorPosition() const override;
void setCursorPosition(int position) override;
// text
QString text(int startOffset, int endOffset) const override;
QString textBeforeOffset(int offset, QAccessible::TextBoundaryType boundaryType,
int *startOffset, int *endOffset) const override;
QString textAfterOffset(int offset, QAccessible::TextBoundaryType boundaryType,
int *startOffset, int *endOffset) const override;
QString textAtOffset(int offset, QAccessible::TextBoundaryType boundaryType,
int *startOffset, int *endOffset) const override;
int characterCount() const override;
// character <-> geometry
QRect characterRect(int offset) const override;
int offsetAtPoint(const QPoint &point) const override;
QString attributes(int offset, int *startOffset, int *endOffset) const override;
// QAccessibleEditableTextInterface
void deleteText(int startOffset, int endOffset) override;
void insertText(int offset, const QString &text) override;
void replaceText(int startOffset, int endOffset, const QString &text) 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;
};
#if QT_CONFIG(textedit)
class QAccessiblePlainTextEdit : public QAccessibleTextWidget
{
public:
explicit QAccessiblePlainTextEdit(QWidget *o);
QString text(QAccessible::Text t) const override;
void setText(QAccessible::Text t, const QString &text) override;
QAccessible::State state() const override;
void *interface_cast(QAccessible::InterfaceType t) override;
// QAccessibleTextInterface
void scrollToSubstring(int startIndex, int endIndex) override;
using QAccessibleTextWidget::text;
protected:
QPlainTextEdit *plainTextEdit() const;
QPoint scrollBarPosition() const override;
QTextCursor textCursor() const override;
void setTextCursor(const QTextCursor &textCursor) override;
QTextDocument *textDocument() const override;
QWidget *viewport() const override;
};
class QAccessibleTextEdit : public QAccessibleTextWidget
{
public:
explicit QAccessibleTextEdit(QWidget *o);
QString text(QAccessible::Text t) const override;
void setText(QAccessible::Text t, const QString &text) override;
QAccessible::State state() const override;
void *interface_cast(QAccessible::InterfaceType t) override;
// QAccessibleTextInterface
void scrollToSubstring(int startIndex, int endIndex) override;
using QAccessibleTextWidget::text;
protected:
QTextEdit *textEdit() const;
QPoint scrollBarPosition() const override;
QTextCursor textCursor() const override;
void setTextCursor(const QTextCursor &textCursor) override;
QTextDocument *textDocument() const override;
QWidget *viewport() const override;
};
#endif // QT_CONFIG(textedit)
#endif //QT_NO_CURSOR
class QAccessibleStackedWidget : public QAccessibleWidget
{
public:
explicit QAccessibleStackedWidget(QWidget *widget);
QAccessibleInterface *childAt(int x, int y) const override;
int childCount() const override;
int indexOfChild(const QAccessibleInterface *child) const override;
QAccessibleInterface *child(int index) const 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;
};
#if QT_CONFIG(mdiarea)
class QAccessibleMdiArea : public QAccessibleWidget
{
public:
explicit QAccessibleMdiArea(QWidget *widget);
int childCount() const override;
QAccessibleInterface *child(int index) const override;
int indexOfChild(const QAccessibleInterface *child) const override;
protected:
QMdiArea *mdiArea() const;
};
class QAccessibleMdiSubWindow : public QAccessibleWidget
{
public:
explicit QAccessibleMdiSubWindow(QWidget *widget);
QString text(QAccessible::Text textType) const override;
void setText(QAccessible::Text textType, const QString &text) override;
QAccessible::State state() const override;
int childCount() const override;
QAccessibleInterface *child(int index) const override;
int indexOfChild(const QAccessibleInterface *child) const override;
QRect rect() const override;
protected:
QMdiSubWindow *mdiSubWindow() const;
};
#endif // QT_CONFIG(mdiarea)
#if QT_CONFIG(dialogbuttonbox)
class QAccessibleDialogButtonBox : public QAccessibleWidget
{
public:
explicit QAccessibleDialogButtonBox(QWidget *widget);
};
#endif
#if QT_CONFIG(textbrowser) && !defined(QT_NO_CURSOR)
class QAccessibleTextBrowser : public QAccessibleTextEdit
{
public:
explicit QAccessibleTextBrowser(QWidget *widget);
QAccessible::Role role() const override;
};
#endif // QT_CONFIG(textbrowser) && QT_NO_CURSOR
#if QT_CONFIG(calendarwidget)
class QAccessibleCalendarWidget : public QAccessibleWidget
{
public:
explicit QAccessibleCalendarWidget(QWidget *widget);
int childCount() const override;
int indexOfChild(const QAccessibleInterface *child) const override;
QAccessibleInterface *child(int index) const override;
protected:
QCalendarWidget *calendarWidget() const;
private:
QAbstractItemView *calendarView() const;
QWidget *navigationBar() const;
};
#endif // QT_CONFIG(calendarwidget)
#if QT_CONFIG(dockwidget)
class QAccessibleDockWidget: public QAccessibleWidget
{
public:
explicit QAccessibleDockWidget(QWidget *widget);
QAccessibleInterface *child(int index) const override;
int indexOfChild(const QAccessibleInterface *child) const override;
int childCount() const override;
QRect rect () const override;
QString text(QAccessible::Text t) const override;
QDockWidget *dockWidget() const;
protected:
QDockWidgetLayout *dockWidgetLayout() const;
};
#endif // QT_CONFIG(dockwidget)
#if QT_CONFIG(mainwindow)
class QAccessibleMainWindow : public QAccessibleWidget
{
public:
explicit QAccessibleMainWindow(QWidget *widget);
QAccessibleInterface *child(int index) const override;
int childCount() const override;
int indexOfChild(const QAccessibleInterface *iface) const override;
QAccessibleInterface *childAt(int x, int y) const override;
QMainWindow *mainWindow() const;
};
#endif // QT_CONFIG(mainwindow)
#endif // QT_NO_ACCESSIBILITY
QT_END_NAMESPACE
#endif // QACESSIBLEWIDGETS_H
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