KisPreviewFileDialog.h

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/*
 *  SPDX-FileCopyrightText: 2020 Halla Rempt <halla@valdyas.org>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
#ifndef KISPREVIEWFILEDIALOG_H
#define KISPREVIEWFILEDIALOG_H
 
#include <QFileDialog>
#include <QFileIconProvider>
 
#include <kritawidgetutils_export.h>
 
class QLabel;
class QToolButton;
 
class KisFileIconProvider : public QFileIconProvider
{
public:
 
    KisFileIconProvider(qreal devicePixelRatioF);
    QIcon icon(const QFileIconProvider::IconType type) const override;
    QIcon icon(const QFileInfo &fi) const override;
private:
 
    qreal m_devicePixelRatioF;
 
};
 
class KRITAWIDGETUTILS_EXPORT KisAbstractFileIconCreator
{
public:
 
    KisAbstractFileIconCreator();
    virtual ~KisAbstractFileIconCreator();
 
    virtual bool createFileIcon(QString path, QIcon &icon, qreal devicePixelRatioF, QSize iconSize) = 0;
 
};
 
class KRITAWIDGETUTILS_EXPORT KisPreviewFileDialog : public QFileDialog
{
    Q_OBJECT
 
public:
    KisPreviewFileDialog(QWidget *parent = nullptr, const QString &caption = QString(), const QString &directory = QString(), const QString &filter = QString());
 
    // QFileDialog drops the icon provider when the model is created,
    // so we cannot set this before the options are set
    void resetIconProvider();
 
    static KisAbstractFileIconCreator *s_iconCreator;
 
public Q_SLOTS:
 
    void onCurrentChanged(const QString &path);
    void previewToggled(bool showPreview);
 
private:
 
    KisFileIconProvider *m_iconProvider {0};
    QLabel *m_preview {0};
    QToolButton *m_previewToggle {0};
};
 
#endif // KISPREVIEWFILEDIALOG_H