qt-creator/src/plugins/help/helpwidget.h

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#ifndef HELPWIDGET_H
#define HELPWIDGET_H

#include <coreplugin/icontext.h>

#include <qglobal.h>
#include <QWidget>

QT_BEGIN_NAMESPACE
class QAction;
class QMenu;
QT_END_NAMESPACE

namespace Help {
namespace Internal {

class HelpViewer;

class HelpWidget : public QWidget
{
    Q_OBJECT
public:
    enum WidgetStyle {
        SideBarWidget,
        ExternalWindow
    };

    HelpWidget(const Core::Context &context, WidgetStyle style, QWidget *parent = 0);
    ~HelpWidget();

    HelpViewer *currentViewer() const;

protected:
    void closeEvent(QCloseEvent *);

signals:
    void openHelpMode(const QUrl &url);
    void closeButtonClicked();
    void aboutToClose();

private slots:
    void updateBackMenu();
    void updateForwardMenu();
    void updateWindowTitle();
    void helpModeButtonClicked();
    void updateHelpModeButtonToolTip();

private:
    Core::IContext *m_context;
    QAction *m_switchToHelp;
    QMenu *m_backMenu;
    QMenu *m_forwardMenu;
    QAction *m_openHelpMode;
    QAction *m_scaleUp;
    QAction *m_scaleDown;
    QAction *m_resetScale;
    QAction *m_copy;

    HelpViewer *m_viewer;
    WidgetStyle m_style;
};

} // Internal
} // Help

#endif // HELPWIDGET_H