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 | |