thumbbardock.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2009-15-08
 * Description : A floatable/dockable widget for thumbnail bars (ThumbBarView
 *               and its descendants), providing i drag handle similar to the
 *               one on toolbars and a standard Action to show/hide the
 *               thumbnail bar. It inherits QDockWidget and can be used in
 *               the dock area's of a QMainWindow.
 *
 * Copyright (C) 2009 by Pieter Edelman <p dot edelman at gmx dot net>
 *
 * 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_THUMB_BAR_DOCK_H
#define DIGIKAM_THUMB_BAR_DOCK_H
 
// Qt includes
 
#include <QDockWidget>
#include <QPainter>
#include <QString>
#include <QStyle>
#include <QStyleOptionToolBar>
#include <QMainWindow>
#include <QAction>
 
// Local includes
 
#include "digikam_export.h"
 
namespace Digikam
{
 
class DragHandle : public QWidget
{
    Q_OBJECT
 
public:
 
    explicit DragHandle(QDockWidget* const);
    ~DragHandle()                 override;
 
    QSize sizeHint()        const override;
    QSize minimumSizeHint() const override;
 
protected:
 
    void paintEvent(QPaintEvent*) override;
 
private Q_SLOTS:
 
    void dockLocationChanged(Qt::DockWidgetArea);
 
private:
 
    class Private;
    Private* const d;
};
 
// --------------------------------------------------------------------------------
 
class DIGIKAM_EXPORT ThumbBarDock : public QDockWidget
{
    Q_OBJECT
 
public:
 
    enum Visibility
    {
        WAS_HIDDEN,
        WAS_SHOWN,
        SHOULD_BE_HIDDEN,
        SHOULD_BE_SHOWN
    };
 
public:
 
    explicit ThumbBarDock(QWidget* const parent = nullptr, Qt::WindowFlags flags = Qt::WindowFlags());
    ~ThumbBarDock()                                                       override;
 
    void reInitialize();
 
    QAction* getToggleAction(QObject* const parent,
                             const QString& caption = QString())    const;
 
    bool shouldBeVisible()                                          const;
    void setShouldBeVisible(bool);
    void restoreVisibility();
 
    static QPixmap generateFuzzyRect(const QSize& size, const QColor& color, int radius, const QColor& fillColor = Qt::transparent);
    static QPixmap generateFuzzyRectForGroup(const QSize& size, const QColor& color, int radius);
 
public Q_SLOTS:
 
    void showThumbBar(bool);
 
private:
 
    Visibility m_visible;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_THUMB_BAR_DOCK_H