nfoviewer.h

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#pragma once
 
#include <QMainWindow>
#include <QSettings>
#include <QString>
 
class QAction;
class QCloseEvent;
class QTextEdit;
class QToolBar;

class MainWindow : public QMainWindow {
    Q_OBJECT
 
public:
    MainWindow();

    void openInitialFile(const QString &fileName);
 
protected:
    void closeEvent(QCloseEvent *event) override;
 
private:
    void createActions();
    void createToolBar();
    void readSettings();
    void openFile();
    void loadFile(const QString &fileName);
    void applyLineSpacing();
    int contentWindowWidth(qreal textWidthPixels) const;
    void fitWidthToContents();
    void applyDefaultWidth();
    void applyViewSettings();
    void applyWrapMode();
    void onWrapToggled(bool enabled);
    void openSettings();
    int baseFontSize() const;
    void changeTextSize(int deltaPixels);
    void increaseTextSize();
    void decreaseTextSize();
    void resetTextSize();
    void setCurrentFile(const QString &fileName);
    void about();
    void warn(const QString &message);
 
    QTextEdit *text_;
    QString currentFile_;
    QString embeddedFontFamily_;
    int fontSizeOffset_ = 0;
    bool contentFittable_ = false;
    bool wrapEnabled_ = false;
    bool autoFitEnabled_ = true;
    QToolBar *toolBar_;
    QAction *openAct_;
    QAction *copyAct_;
    QAction *increaseTextSizeAct_;
    QAction *decreaseTextSizeAct_;
    QAction *resetTextSizeAct_;
    QAction *wrapAct_;
    QAction *settingsAct_;
    QAction *aboutAct_;
    QSettings settings_;
};