previewtoolbar.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2010-01-10
 * Description : a tool bar for preview mode
 *
 * Copyright (C) 2010-2022 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_PREVIEW_TOOL_BAR_H
#define DIGIKAM_PREVIEW_TOOL_BAR_H
 
// Qt includes
 
#include <QWidget>
#include <QAction>
 
// Local includes
 
#include "digikam_export.h"
 
class KConfigGroup;
 
namespace Digikam
{
 
class EditorWindow;
 
class DIGIKAM_EXPORT PreviewToolBar : public QWidget
{
    Q_OBJECT
 
public:
 
    enum PreviewMode
    {
        PreviewOriginalImage      = 0x00000001,      
        PreviewBothImagesHorz     = 0x00000002,      
        PreviewBothImagesVert     = 0x00000004,      
        PreviewBothImagesHorzCont = 0x00000008,      
        PreviewBothImagesVertCont = 0x00000010,      
        PreviewTargetImage        = 0x00000020,      
        PreviewToggleOnMouseOver  = 0x00000040,      
        NoPreviewMode             = 0x00000080,      
 
        AllPreviewModes           = PreviewOriginalImage      | PreviewBothImagesHorz     |
                                    PreviewBothImagesVert     | PreviewBothImagesHorzCont |
                                    PreviewBothImagesVertCont | PreviewTargetImage        |
                                    PreviewToggleOnMouseOver,
 
        UnSplitPreviewModes       = PreviewOriginalImage | PreviewTargetImage | PreviewToggleOnMouseOver
    };
 
public:
 
    explicit PreviewToolBar(QWidget* const parent = nullptr);
    ~PreviewToolBar() override;
 
    void setPreviewModeMask(int mask);
 
    void setPreviewMode(PreviewMode mode);
    PreviewMode previewMode() const;
 
    void readSettings(KConfigGroup& group);
    void writeSettings(KConfigGroup& group);
 
    void registerMenuActionGroup(EditorWindow* const editor);
 
Q_SIGNALS:
 
    void signalPreviewModeChanged(int);
 
private Q_SLOTS:
 
    void slotButtonReleased(int);
    void slotActionTriggered(QAction*);
 
private:
 
    void setCheckedAction(int id);
 
private:
 
    class Private;
    Private* const d;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_PREVIEW_TOOL_BAR_H