qt-creator/share/qtcreator/qml/qmlobserver/loggerwidget.h

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#ifndef LOGGERWIDGET_H
#define LOGGERWIDGET_H

#include <QMainWindow>
#include <QMetaType>

QT_BEGIN_NAMESPACE

class QPlainTextEdit;
class QMenu;
class QAction;

class LoggerWidget : public QMainWindow {
    Q_OBJECT
public:
    LoggerWidget(QWidget *parent=0);

    enum Visibility { ShowWarnings, HideWarnings, AutoShowWarnings };

    Visibility defaultVisibility() const;
    void setDefaultVisibility(Visibility visibility);

    QMenu *preferencesMenu();
    QAction *showAction();

public slots:
    void append(const QString &msg);

private slots:
    void warningsPreferenceChanged(QAction *action);
    void readSettings();
    void saveSettings();

protected:
    void showEvent(QShowEvent *event);
    void closeEvent(QCloseEvent *event);

signals:
    void opened();
    void closed();

private:
    void setupPreferencesMenu();

    QMenu *m_preferencesMenu;
    QAction *m_showWidgetAction;
    QPlainTextEdit *m_plainTextEdit;

    enum ConfigOrigin { CommandLineOrigin, SettingsOrigin };
    ConfigOrigin m_visibilityOrigin;
    Visibility m_visibility;
};

QT_END_NAMESPACE

Q_DECLARE_METATYPE(LoggerWidget::Visibility)

#endif // LOGGERWIDGET_H