forked from qt-creator/qt-creator
a7956df3ca
Replace the current license disclaimer in files by a SPDX-License-Identifier. Task-number: QTBUG-67283 Change-Id: I708fd1f9f2b73d60f57cc3568646929117825813 Reviewed-by: Eike Ziller <eike.ziller@qt.io>
85 lines
3.2 KiB
C++
85 lines
3.2 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
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#pragma once
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#include "texteditor_global.h"
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#include <QTextBlock>
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QT_BEGIN_NAMESPACE
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class QSettings;
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QT_END_NAMESPACE
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namespace TextEditor {
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// Tab settings: Data type the GeneralSettingsPage acts on
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// with some convenience functions for formatting.
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class TEXTEDITOR_EXPORT TabSettings
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{
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public:
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enum TabPolicy {
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SpacesOnlyTabPolicy = 0,
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TabsOnlyTabPolicy = 1,
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MixedTabPolicy = 2
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};
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// This enum must match the indexes of continuationAlignBehavior widget
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enum ContinuationAlignBehavior {
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NoContinuationAlign = 0,
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ContinuationAlignWithSpaces = 1,
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ContinuationAlignWithIndent = 2
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};
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TabSettings() = default;
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TabSettings(TabPolicy tabPolicy, int tabSize,
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int indentSize, ContinuationAlignBehavior continuationAlignBehavior);
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void toSettings(const QString &category, QSettings *s) const;
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void fromSettings(const QString &category, QSettings *s);
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QVariantMap toMap() const;
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void fromMap(const QVariantMap &map);
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int lineIndentPosition(const QString &text) const;
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int columnAt(const QString &text, int position) const;
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int columnAtCursorPosition(const QTextCursor &cursor) const;
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int positionAtColumn(const QString &text, int column, int *offset = nullptr, bool allowOverstep = false) const;
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int columnCountForText(const QString &text, int startColumn = 0) const;
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int indentedColumn(int column, bool doIndent = true) const;
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QString indentationString(int startColumn, int targetColumn, int padding, const QTextBlock ¤tBlock = QTextBlock()) const;
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QString indentationString(const QString &text) const;
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int indentationColumn(const QString &text) const;
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static int maximumPadding(const QString &text);
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void indentLine(const QTextBlock &block, int newIndent, int padding = 0) const;
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void reindentLine(QTextBlock block, int delta) const;
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bool isIndentationClean(const QTextBlock &block, const int indent) const;
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bool guessSpacesForTabs(const QTextBlock &block) const;
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friend bool operator==(const TabSettings &t1, const TabSettings &t2) { return t1.equals(t2); }
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friend bool operator!=(const TabSettings &t1, const TabSettings &t2) { return !t1.equals(t2); }
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static int firstNonSpace(const QString &text);
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static inline bool onlySpace(const QString &text) { return firstNonSpace(text) == text.length(); }
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static int spacesLeftFromPosition(const QString &text, int position);
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static bool cursorIsAtBeginningOfLine(const QTextCursor &cursor);
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static int trailingWhitespaces(const QString &text);
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static void removeTrailingWhitespace(QTextCursor cursor, QTextBlock &block);
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TabPolicy m_tabPolicy = SpacesOnlyTabPolicy;
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int m_tabSize = 8;
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int m_indentSize = 4;
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ContinuationAlignBehavior m_continuationAlignBehavior = ContinuationAlignWithSpaces;
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bool equals(const TabSettings &ts) const;
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};
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} // namespace TextEditor
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Q_DECLARE_METATYPE(TextEditor::TabSettings)
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Q_DECLARE_METATYPE(TextEditor::TabSettings::TabPolicy)
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Q_DECLARE_METATYPE(TextEditor::TabSettings::ContinuationAlignBehavior)
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