qt-creator/src/plugins/coreplugin/designmode.h

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#ifndef DESIGNMODE_H
#define DESIGNMODE_H

#include <coreplugin/imode.h>

namespace Core {
class EditorManager;
class IEditor;

namespace Internal {
class DesignModeCoreListener;
} // namespace Internal

/**
  * A global mode for Design pane - used by Bauhaus (QML Designer) and
  * Qt Designer. Other plugins can register themselves by registerDesignWidget()
  * and giving a list of mimetypes that the editor understands, as well as an instance
  * to the main editor widget itself.
  */

struct DesignModePrivate;

class CORE_EXPORT DesignMode : public Core::IMode
{
    Q_OBJECT

public:
    explicit DesignMode(EditorManager *editorManager);
    virtual ~DesignMode();

    void registerDesignWidget(QWidget *widget, const QStringList &mimeTypes,
                              bool preferDesignMode = false);
    void unregisterDesignWidget(QWidget *widget);

    QStringList registeredMimeTypes() const;

    // IContext
    QList<int> context() const;
    QWidget *widget();

    // IMode
    QString displayName() const;
    QIcon icon() const;
    int priority() const;
    QString id() const;

signals:
    void actionsUpdated(Core::IEditor *editor);

private slots:
    void currentEditorChanged(Core::IEditor *editor);
    void updateActions();

private:
    DesignModePrivate *d;
    friend class Internal::DesignModeCoreListener;
};

} // namespace Core

#endif // DESIGNMODE_H