| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QPRINTPREVIEWWIDGET_H |
| 5 | #define QPRINTPREVIEWWIDGET_H |
| 6 | |
| 7 | #include <QtPrintSupport/qtprintsupportglobal.h> |
| 8 | #include <QtWidgets/qwidget.h> |
| 9 | #include <QtPrintSupport/qprinter.h> |
| 10 | |
| 11 | QT_REQUIRE_CONFIG(printpreviewwidget); |
| 12 | |
| 13 | QT_BEGIN_NAMESPACE |
| 14 | |
| 15 | |
| 16 | class QPrintPreviewWidgetPrivate; |
| 17 | |
| 18 | class Q_PRINTSUPPORT_EXPORT QPrintPreviewWidget : public QWidget |
| 19 | { |
| 20 | Q_OBJECT |
| 21 | Q_DECLARE_PRIVATE(QPrintPreviewWidget) |
| 22 | public: |
| 23 | |
| 24 | enum ViewMode { |
| 25 | SinglePageView, |
| 26 | FacingPagesView, |
| 27 | AllPagesView |
| 28 | }; |
| 29 | |
| 30 | enum ZoomMode { |
| 31 | CustomZoom, |
| 32 | FitToWidth, |
| 33 | FitInView |
| 34 | }; |
| 35 | |
| 36 | explicit QPrintPreviewWidget(QPrinter *printer, QWidget *parent = nullptr, |
| 37 | Qt::WindowFlags flags = Qt::WindowFlags()); |
| 38 | explicit QPrintPreviewWidget(QWidget *parent = nullptr, Qt::WindowFlags flags = Qt::WindowFlags()); |
| 39 | ~QPrintPreviewWidget(); |
| 40 | |
| 41 | qreal zoomFactor() const; |
| 42 | QPageLayout::Orientation orientation() const; |
| 43 | ViewMode viewMode() const; |
| 44 | ZoomMode zoomMode() const; |
| 45 | int currentPage() const; |
| 46 | int pageCount() const; |
| 47 | void setVisible(bool visible) override; |
| 48 | |
| 49 | public Q_SLOTS: |
| 50 | void print(); |
| 51 | |
| 52 | void zoomIn(qreal zoom = 1.1); |
| 53 | void zoomOut(qreal zoom = 1.1); |
| 54 | void setZoomFactor(qreal zoomFactor); |
| 55 | void setOrientation(QPageLayout::Orientation orientation); |
| 56 | void setViewMode(ViewMode viewMode); |
| 57 | void setZoomMode(ZoomMode zoomMode); |
| 58 | void setCurrentPage(int pageNumber); |
| 59 | |
| 60 | void fitToWidth(); |
| 61 | void fitInView(); |
| 62 | void setLandscapeOrientation(); |
| 63 | void setPortraitOrientation(); |
| 64 | void setSinglePageViewMode(); |
| 65 | void setFacingPagesViewMode(); |
| 66 | void setAllPagesViewMode(); |
| 67 | |
| 68 | void updatePreview(); |
| 69 | |
| 70 | Q_SIGNALS: |
| 71 | void paintRequested(QPrinter *printer); |
| 72 | void previewChanged(); |
| 73 | |
| 74 | private: |
| 75 | Q_PRIVATE_SLOT(d_func(), void _q_fit()) |
| 76 | Q_PRIVATE_SLOT(d_func(), void _q_updateCurrentPage()) |
| 77 | }; |
| 78 | |
| 79 | QT_END_NAMESPACE |
| 80 | |
| 81 | #endif // QPRINTPREVIEWWIDGET_H |
| 82 |