| 1 | /* |
| 2 | This file is part of the KDE project. |
| 3 | SPDX-FileCopyrightText: 2001 Martin R. Jones <mjones@kde.org> |
| 4 | SPDX-FileCopyrightText: 2001 Carsten Pfeiffer <pfeiffer@kde.org> |
| 5 | SPDX-FileCopyrightText: 2008 Rafael Fernández López <ereslibre@kde.org> |
| 6 | |
| 7 | SPDX-License-Identifier: LGPL-2.0-only |
| 8 | */ |
| 9 | |
| 10 | #ifndef KIMAGEFILEPREVIEW_H |
| 11 | #define KIMAGEFILEPREVIEW_H |
| 12 | |
| 13 | #include <QPixmap> |
| 14 | #include <QUrl> |
| 15 | #include <kpreviewwidgetbase.h> |
| 16 | |
| 17 | #include <memory> |
| 18 | |
| 19 | class KFileItem; |
| 20 | class KJob; |
| 21 | class KImageFilePreviewPrivate; |
| 22 | |
| 23 | namespace KIO |
| 24 | { |
| 25 | class PreviewJob; |
| 26 | } |
| 27 | |
| 28 | /*! |
| 29 | * \class KImageFilePreview |
| 30 | * \inmodule KIOFileWidgets |
| 31 | * |
| 32 | * \brief Image preview widget for the file dialog. |
| 33 | */ |
| 34 | class KIOFILEWIDGETS_EXPORT KImageFilePreview : public KPreviewWidgetBase |
| 35 | { |
| 36 | Q_OBJECT |
| 37 | |
| 38 | public: |
| 39 | /*! |
| 40 | * Creates a new image file preview. |
| 41 | * |
| 42 | * \a parent The parent widget. |
| 43 | */ |
| 44 | explicit KImageFilePreview(QWidget *parent = nullptr); |
| 45 | |
| 46 | ~KImageFilePreview() override; |
| 47 | |
| 48 | QSize sizeHint() const override; |
| 49 | |
| 50 | public Q_SLOTS: |
| 51 | /*! |
| 52 | * Shows a preview for the given \a url. |
| 53 | */ |
| 54 | void showPreview(const QUrl &url) override; |
| 55 | |
| 56 | /*! |
| 57 | * Clears the preview. |
| 58 | */ |
| 59 | void clearPreview() override; |
| 60 | |
| 61 | protected Q_SLOTS: |
| 62 | /*! |
| 63 | * |
| 64 | */ |
| 65 | void showPreview(); |
| 66 | |
| 67 | /*! |
| 68 | * |
| 69 | */ |
| 70 | void showPreview(const QUrl &url, bool force); |
| 71 | |
| 72 | /*! |
| 73 | * |
| 74 | */ |
| 75 | virtual void gotPreview(const KFileItem &, const QPixmap &); |
| 76 | |
| 77 | protected: |
| 78 | void resizeEvent(QResizeEvent *event) override; |
| 79 | |
| 80 | /*! |
| 81 | * |
| 82 | */ |
| 83 | virtual KIO::PreviewJob *createJob(const QUrl &url, int width, int height); |
| 84 | |
| 85 | private: |
| 86 | std::unique_ptr<KImageFilePreviewPrivate> const d; |
| 87 | |
| 88 | Q_DISABLE_COPY(KImageFilePreview) |
| 89 | }; |
| 90 | |
| 91 | #endif // KIMAGEFILEPREVIEW_H |
| 92 | |