cppcheck/tools/triage/codeeditor.h

90 lines
1.9 KiB
C++

#ifndef CODEEDITOR_H
#define CODEEDITOR_H
#include <QSyntaxHighlighter>
#include <QPlainTextEdit>
#include <QObject>
#include <QRegularExpression>
class QPaintEvent;
class QResizeEvent;
class QSize;
class QWidget;
class LineNumberArea;
class Highlighter : public QSyntaxHighlighter {
Q_OBJECT
public:
explicit Highlighter(QTextDocument *parent);
protected:
void highlightBlock(const QString &text) override;
private:
struct HighlightingRule {
QRegularExpression pattern;
QTextCharFormat format;
};
QVector<HighlightingRule> highlightingRules;
QRegularExpression commentStartExpression;
QRegularExpression commentEndExpression;
QTextCharFormat keywordFormat;
QTextCharFormat classFormat;
QTextCharFormat singleLineCommentFormat;
QTextCharFormat multiLineCommentFormat;
QTextCharFormat quotationFormat;
QTextCharFormat functionFormat;
};
class CodeEditor : public QPlainTextEdit {
Q_OBJECT
public:
explicit CodeEditor(QWidget *parent);
void lineNumberAreaPaintEvent(QPaintEvent *event);
int lineNumberAreaWidth();
void setErrorLine(int errorLine);
protected:
void resizeEvent(QResizeEvent *event) override;
private slots:
void updateLineNumberAreaWidth(int newBlockCount);
void highlightCurrentLine();
void updateLineNumberArea(const QRect &, int);
private:
QWidget *lineNumberArea;
Highlighter *highlighter;
int mErrorPosition;
};
class LineNumberArea : public QWidget {
public:
explicit LineNumberArea(CodeEditor *editor) : QWidget(editor) {
codeEditor = editor;
}
QSize sizeHint() const override {
return QSize(codeEditor->lineNumberAreaWidth(), 0);
}
protected:
void paintEvent(QPaintEvent *event) override {
codeEditor->lineNumberAreaPaintEvent(event);
}
private:
CodeEditor *codeEditor;
};
#endif // CODEEDITOR_H