| 1 | /* |
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| 2 | This file is part of the KDE project. |
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| 3 | SPDX-FileCopyrightText: 2001 Martin R. Jones <mjones@kde.org> |
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| 4 | SPDX-FileCopyrightText: 2001 Carsten Pfeiffer <pfeiffer@kde.org> |
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| 5 | SPDX-FileCopyrightText: 2008 Rafael Fernández López <ereslibre@kde.org> |
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| 6 | |
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| 7 | SPDX-License-Identifier: LGPL-2.0-only |
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| 8 | */ |
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| 9 | |
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| 10 | #ifndef KIMAGEFILEPREVIEW_H |
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| 11 | #define KIMAGEFILEPREVIEW_H |
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| 12 | |
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| 13 | #include <QPixmap> |
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| 14 | #include <QUrl> |
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| 15 | #include <kpreviewwidgetbase.h> |
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| 16 | |
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| 17 | #include <memory> |
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| 18 | |
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| 19 | class KFileItem; |
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| 20 | class KJob; |
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| 21 | class KImageFilePreviewPrivate; |
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| 22 | |
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| 23 | namespace KIO |
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| 24 | { |
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| 25 | class PreviewJob; |
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| 26 | } |
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| 27 | |
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| 28 | /** |
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| 29 | * @class KImageFilePreview kimagefilepreview.h <KImageFilePreview> |
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| 30 | * |
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| 31 | * Image preview widget for the file dialog. |
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| 32 | */ |
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| 33 | class KIOFILEWIDGETS_EXPORT KImageFilePreview : public KPreviewWidgetBase |
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| 34 | { |
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| 35 | Q_OBJECT |
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| 36 | |
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| 37 | public: |
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| 38 | /** |
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| 39 | * Creates a new image file preview. |
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| 40 | * |
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| 41 | * @param parent The parent widget. |
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| 42 | */ |
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| 43 | explicit KImageFilePreview(QWidget *parent = nullptr); |
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| 44 | |
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| 45 | /** |
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| 46 | * Destroys the image file preview. |
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| 47 | */ |
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| 48 | ~KImageFilePreview() override; |
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| 49 | |
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| 50 | /** |
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| 51 | * Returns the size hint for this widget. |
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| 52 | */ |
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| 53 | QSize sizeHint() const override; |
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| 54 | |
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| 55 | public Q_SLOTS: |
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| 56 | /** |
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| 57 | * Shows a preview for the given @p url. |
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| 58 | */ |
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| 59 | void showPreview(const QUrl &url) override; |
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| 60 | |
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| 61 | /** |
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| 62 | * Clears the preview. |
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| 63 | */ |
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| 64 | void clearPreview() override; |
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| 65 | |
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| 66 | protected Q_SLOTS: |
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| 67 | void showPreview(); |
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| 68 | void showPreview(const QUrl &url, bool force); |
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| 69 | |
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| 70 | virtual void gotPreview(const KFileItem &, const QPixmap &); |
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| 71 | |
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| 72 | protected: |
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| 73 | void resizeEvent(QResizeEvent *event) override; |
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| 74 | virtual KIO::PreviewJob *createJob(const QUrl &url, int width, int height); |
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| 75 | |
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| 76 | private: |
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| 77 | std::unique_ptr<KImageFilePreviewPrivate> const d; |
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| 78 | |
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| 79 | Q_DISABLE_COPY(KImageFilePreview) |
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| 80 | }; |
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| 81 | |
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| 82 | #endif // KIMAGEFILEPREVIEW_H |
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| 83 | |
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