| 1 | // Copyright (C) 2021 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef TEXTCURSOR_H |
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| 5 | #define TEXTCURSOR_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtCore/qstring.h> |
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| 19 | |
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| 20 | QT_BEGIN_NAMESPACE |
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| 21 | |
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| 22 | namespace Utils { |
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| 23 | |
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| 24 | class TextDocument; |
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| 25 | class TextBlock; |
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| 26 | |
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| 27 | class TextCursor |
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| 28 | { |
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| 29 | public: |
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| 30 | enum MoveOperation { |
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| 31 | NoMove, |
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| 32 | Start, |
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| 33 | PreviousCharacter, |
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| 34 | End, |
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| 35 | NextCharacter, |
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| 36 | }; |
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| 37 | |
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| 38 | enum MoveMode { MoveAnchor, KeepAnchor }; |
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| 39 | |
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| 40 | enum SelectionType { Document }; |
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| 41 | |
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| 42 | TextCursor(); |
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| 43 | TextCursor(const TextBlock &block); |
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| 44 | TextCursor(TextDocument *document); |
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| 45 | |
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| 46 | bool movePosition(MoveOperation op, MoveMode = MoveAnchor, int n = 1); |
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| 47 | int position() const; |
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| 48 | void setPosition(int pos, MoveMode mode = MoveAnchor); |
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| 49 | QString selectedText() const; |
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| 50 | void clearSelection(); |
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| 51 | int anchor() const; |
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| 52 | TextDocument *document() const; |
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| 53 | void insertText(const QString &text); |
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| 54 | TextBlock block() const; |
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| 55 | int positionInBlock() const; |
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| 56 | int blockNumber() const; |
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| 57 | |
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| 58 | void select(SelectionType selection); |
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| 59 | |
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| 60 | bool hasSelection() const; |
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| 61 | |
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| 62 | void removeSelectedText(); |
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| 63 | int selectionEnd() const; |
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| 64 | |
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| 65 | bool isNull() const; |
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| 66 | |
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| 67 | private: |
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| 68 | TextDocument *m_document = nullptr; |
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| 69 | int m_position = 0; |
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| 70 | int m_anchor = 0; |
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| 71 | }; |
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| 72 | } // namespace Utils |
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| 73 | |
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| 74 | QT_END_NAMESPACE |
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| 75 | |
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| 76 | #endif // TEXTCURSOR_H |
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| 77 | |
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