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[c54480]: / codeeditor.h Maximize Restore History

59 lines (42 with data), 1.2 kB

#ifndef CODEEDITOR_H
#define CODEEDITOR_H

#include <QPlainTextEdit>
#include <QObject>

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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[c54480]: / codeeditor.h Maximize Restore History

59 lines (42 with data), 1.2 kB