File indexing completed on 2024-06-02 05:24:08 

0001 /*
0002     accessibility/accessiblerichtextlabel_p.h
0003 
0004     This file is part of Kleopatra, the KDE keymanager
0005     SPDX-FileCopyrightText: 2021 g10 Code GmbH
0006     SPDX-FileContributor: Ingo Klöcker <dev@ingo-kloecker.de>
0007 
0008     SPDX-License-Identifier: GPL-2.0-or-later
0009 */
0010 
0011 #pragma once
0012 
0013 #include <QAccessibleWidget>
0014 
0015 class QLabel;
0016 
0017 namespace Kleo
0018 {
0019 class AnchorProvider;
0020 
0021 class AccessibleRichTextLabel : public QAccessibleWidget, public QAccessibleTextInterface
0022 {
0023 public:
0024     explicit AccessibleRichTextLabel(QWidget *o);
0025     ~AccessibleRichTextLabel() override;
0026 
0027     void *interface_cast(QAccessible::InterfaceType t) override;
0028     QAccessible::State state() const override;
0029     QString text(QAccessible::Text t) const override;
0030 
0031     // relations
0032     QAccessibleInterface *focusChild() const override;
0033 
0034     // navigation, hierarchy
0035     QAccessibleInterface *child(int index) const override;
0036     int childCount() const override;
0037     int indexOfChild(const QAccessibleInterface *child) const override;
0038 
0039     // QAccessibleTextInterface
0040     // selection
0041     void selection(int selectionIndex, int *startOffset, int *endOffset) const override;
0042     int selectionCount() const override;
0043     void addSelection(int startOffset, int endOffset) override;
0044     void removeSelection(int selectionIndex) override;
0045     void setSelection(int selectionIndex, int startOffset, int endOffset) override;
0046 
0047     // cursor
0048     int cursorPosition() const override;
0049     void setCursorPosition(int position) override;
0050 
0051     // text
0052     QString text(int startOffset, int endOffset) const override;
0053     int characterCount() const override;
0054 
0055     // character <-> geometry
0056     QRect characterRect(int offset) const override;
0057     int offsetAtPoint(const QPoint &point) const override;
0058 
0059     void scrollToSubstring(int startIndex, int endIndex) override;
0060     QString attributes(int offset, int *startOffset, int *endOffset) const override;
0061 
0062 private:
0063     struct ChildData;
0064 
0065     QLabel *label() const;
0066     AnchorProvider *anchorProvider() const;
0067     QString displayText() const;
0068 
0069     std::vector<ChildData> &childCache() const;
0070     void clearChildCache() const;
0071 
0072     mutable std::vector<ChildData> mChildCache;
0073 };
0074 
0075 }