ff1039c217
According to QUIP-18 [1], all tests file should be LicenseRef-Qt-Commercial OR GPL-3.0-only [1]: https://contribute.qt-project.org/quips/18 Pick-to: 6.7 Task-number: QTBUG-121787 Change-Id: I9657df5d660820e56c96d511ea49d321c54682e8 Reviewed-by: Christian Ehrlicher <ch.ehrlicher@gmx.de>
69 lines
1.2 KiB
C++
69 lines
1.2 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
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#ifndef CODEEDITOR_H
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#define CODEEDITOR_H
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#include <QPlainTextEdit>
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QT_BEGIN_NAMESPACE
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class QPaintEvent;
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class QResizeEvent;
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class QSize;
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class QWidget;
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QT_END_NAMESPACE
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class LineNumberArea;
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//![codeeditordefinition]
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class CodeEditor : public QPlainTextEdit
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{
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Q_OBJECT
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public:
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CodeEditor(QWidget *parent = nullptr);
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void lineNumberAreaPaintEvent(QPaintEvent *event);
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int lineNumberAreaWidth();
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protected:
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void resizeEvent(QResizeEvent *event) override;
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private slots:
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void updateLineNumberAreaWidth(int newBlockCount);
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void highlightCurrentLine();
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void updateLineNumberArea(const QRect &rect, int dy);
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private:
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QWidget *lineNumberArea;
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};
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//![codeeditordefinition]
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//![extraarea]
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class LineNumberArea : public QWidget
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{
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public:
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LineNumberArea(CodeEditor *editor) : QWidget(editor), codeEditor(editor)
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{}
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QSize sizeHint() const override
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{
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return QSize(codeEditor->lineNumberAreaWidth(), 0);
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}
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protected:
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void paintEvent(QPaintEvent *event) override
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{
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codeEditor->lineNumberAreaPaintEvent(event);
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}
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private:
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CodeEditor *codeEditor;
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};
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//![extraarea]
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#endif
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