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[efa3d9]: / src / codeeditor.h Maximize Restore History

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#ifndef CODEEDITOR_H
#define CODEEDITOR_H

#include <QObject>
#include <QPlainTextEdit>

class QPaintEvent;
class QResizeEvent;
class QSize;
class QWidget;

class LineNumberArea;

class CodeEditor : public QPlainTextEdit {
    Q_OBJECT

  public:
    CodeEditor(QWidget *parent = 0);

    void lineNumberAreaPaintEvent(QPaintEvent *event);
    int lineNumberAreaWidth();

  protected:
    void resizeEvent(QResizeEvent *event) override;

  private slots:
    void updateLineNumberAreaWidth(int newBlockCount);
    void highlightCurrentLine();
    void updateLineNumberArea(const QRect &, int);

  private:
    QWidget *lineNumberArea;
};

class LineNumberArea : public QWidget {
  public:
    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

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[efa3d9]: / src / codeeditor.h Maximize Restore History

57 lines (43 with data), 1.1 kB