61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
#ifndef CODEEDITOR_H
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#define CODEEDITOR_H
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#include <QPlainTextEdit>
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#include <set>
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#include "util/Colors.h"
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/** This class adds some capabilities to QPlainTextEdit that are useful
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* in code editor scenarios.
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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(QWidget *parent = nullptr);
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int gutterAreaWidth();
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void addErrorMarker(int position, int length);
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void clearErrorMarkers();
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void setFont(const QFont &);
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void setTabSize(int chars);
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protected:
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void resizeEvent(QResizeEvent *event) override;
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void keyPressEvent(QKeyEvent *e) override;
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signals:
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public slots:
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private slots:
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void updateGutterAreaWidth(int newBlockCount);
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void highlightCurrentLine();
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void updateGutterArea(const QRect &, int);
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void onTextChanged();
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private:
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QWidget *gutterArea;
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QTextEdit::ExtraSelection currentLine;
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QList<QTextEdit::ExtraSelection> errorMarkers;
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const ColorTheme &colorTheme;
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std::set<int> errorLines;
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// Settings
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int m_tabSize = 0; // tabSize in characters
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bool m_useTab = false;
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bool lineHasError(int blockNumber) const;
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void updateExtraSelections();
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bool indentSelection(bool indent);
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void insertIndentation(QTextCursor &cursor);
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void removeIndentation(QTextCursor &cursor);
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void makeSelection(QTextCursor &cursor, int first_pos, int end_block);
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friend class GutterPainter;
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};
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#endif // CODEEDITOR_H
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