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39
40#ifndef QPRINTPREVIEWWIDGET_H
41#define QPRINTPREVIEWWIDGET_H
42
43#include <QtPrintSupport/qtprintsupportglobal.h>
44#include <QtWidgets/qwidget.h>
45#include <QtPrintSupport/qprinter.h>
46
47QT_REQUIRE_CONFIG(printpreviewwidget);
48
49QT_BEGIN_NAMESPACE
50
51
52class QPrintPreviewWidgetPrivate;
53
54class Q_PRINTSUPPORT_EXPORT QPrintPreviewWidget : public QWidget
55{
56 Q_OBJECT
57 Q_DECLARE_PRIVATE(QPrintPreviewWidget)
58public:
59
60 enum ViewMode {
61 SinglePageView,
62 FacingPagesView,
63 AllPagesView
64 };
65
66 enum ZoomMode {
67 CustomZoom,
68 FitToWidth,
69 FitInView
70 };
71
72 explicit QPrintPreviewWidget(QPrinter *printer, QWidget *parent = nullptr,
73 Qt::WindowFlags flags = Qt::WindowFlags());
74 explicit QPrintPreviewWidget(QWidget *parent = nullptr, Qt::WindowFlags flags = Qt::WindowFlags());
75 ~QPrintPreviewWidget();
76
77 qreal zoomFactor() const;
78 QPageLayout::Orientation orientation() const;
79 ViewMode viewMode() const;
80 ZoomMode zoomMode() const;
81 int currentPage() const;
82 int pageCount() const;
83 void setVisible(bool visible) override;
84
85public Q_SLOTS:
86 void print();
87
88 void zoomIn(qreal zoom = 1.1);
89 void zoomOut(qreal zoom = 1.1);
90 void setZoomFactor(qreal zoomFactor);
91 void setOrientation(QPageLayout::Orientation orientation);
92 void setViewMode(ViewMode viewMode);
93 void setZoomMode(ZoomMode zoomMode);
94 void setCurrentPage(int pageNumber);
95
96 void fitToWidth();
97 void fitInView();
98 void setLandscapeOrientation();
99 void setPortraitOrientation();
100 void setSinglePageViewMode();
101 void setFacingPagesViewMode();
102 void setAllPagesViewMode();
103
104 void updatePreview();
105
106Q_SIGNALS:
107 void paintRequested(QPrinter *printer);
108 void previewChanged();
109
110private:
111 Q_PRIVATE_SLOT(d_func(), void _q_fit())
112 Q_PRIVATE_SLOT(d_func(), void _q_updateCurrentPage())
113};
114
115QT_END_NAMESPACE
116
117#endif // QPRINTPREVIEWWIDGET_H
118