77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
#pragma once
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#include <QPlainTextEdit>
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#include <QFont>
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#include <QString>
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#include <QTextBlock>
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class LineNumberArea;
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class Settings;
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class SyntaxHighlighter;
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class ColorIndicator;
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class SignatureHelper;
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// ---------------------------------------------------------------------------
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// CodeEditor – Core editing widget.
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// Features:
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// • Line number gutter
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// • Current-line highlight
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// • Auto-indent on Enter
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// • Tab → spaces (configurable)
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// • Syntax highlighting (via pluggable SyntaxHighlighter)
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// ---------------------------------------------------------------------------
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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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explicit CodeEditor(Settings *settings, QWidget *parent = nullptr);
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~CodeEditor() override;
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void loadFile(const QString &filePath);
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void applySettings();
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// Speichern
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bool save();
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bool saveAs();
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// Called by LineNumberArea
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int lineNumberAreaWidth() const;
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void lineNumberAreaPaintEvent(QPaintEvent *event);
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QString filePath() const;
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bool isModified() const;
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// Öffentliche Hilfsmethoden für ColorIndicator
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// (die Qt-Originale sind protected und von außen nicht erreichbar)
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QTextBlock firstVisibleBlockPublic() const { return firstVisibleBlock(); }
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QRectF blockBoundingGeometryPublic(const QTextBlock &b) const { return blockBoundingGeometry(b); }
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QPointF contentOffsetPublic() const { return contentOffset(); }
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signals:
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void fileSaved(const QString &filePath);
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protected:
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void resizeEvent(QResizeEvent *event) override;
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void keyPressEvent(QKeyEvent *event) override;
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void paintEvent(QPaintEvent *event) override;
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void mousePressEvent(QMouseEvent *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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void setupEditor();
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void installHighlighter(const QString &filePath);
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bool writeToFile(const QString &filePath);
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Settings *m_settings = nullptr;
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LineNumberArea *m_lineNumberArea = nullptr;
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SyntaxHighlighter *m_highlighter = nullptr;
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ColorIndicator *m_colorIndicator = nullptr;
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SignatureHelper *m_signatureHelper = nullptr;
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QString m_filePath;
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};
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