editorstackview.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2008-08-20
 * Description : A widget stack to embed editor view.
 *
 * Copyright (C) 2008-2022 by Gilles Caulier <caulier dot gilles at gmail dot com>
 *
 * This program is free software; you can redistribute it
 * and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation;
 * either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_IMAGE_EDITOR_STACK_VIEW_H
#define DIGIKAM_IMAGE_EDITOR_STACK_VIEW_H
 
// Qt includes
 
#include <QStackedWidget>
 
// Local includes
 
#include "digikam_export.h"
 
namespace Digikam
{
 
class Canvas;
class GraphicsDImgView;
 
class DIGIKAM_EXPORT EditorStackView : public QStackedWidget
{
    Q_OBJECT
 
public:
 
    enum StackViewMode
    {
        CanvasMode = 0,
        ToolViewMode
    };
 
public:
 
    explicit EditorStackView(QWidget* const parent = nullptr);
    ~EditorStackView()                                    override;
 
    void     setCanvas(Canvas* const canvas);
    Canvas*  canvas()                               const;
 
    void     setToolView(QWidget* const view);
    QWidget* toolView()                             const;
 
    void     setViewMode(int mode);
    int      viewMode()                             const;
 
    void     increaseZoom();
    void     decreaseZoom();
    void     toggleFitToWindow();
    void     fitToSelect();
    void     zoomTo100Percent();
 
    double   zoomMax()                              const;
    double   zoomMin()                              const;
    bool     isZoomablePreview()                    const;
 
Q_SIGNALS:
 
    void signalZoomChanged(bool isMax, bool isMin, double zoom);
    void signalToggleOffFitToWindow();
 
public Q_SLOTS:
 
    void setZoomFactor(double);
    void slotZoomSliderChanged(int);
 
private Q_SLOTS:
 
    void slotZoomChanged(double);
    void slotToggleOffFitToWindow(bool);
 
private:
 
    GraphicsDImgView* previewWidget()               const;
 
private:
 
    class Private;
    Private* const d;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_IMAGE_EDITOR_STACK_VIEW_H