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| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
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| ** |
| ** This file is part of the QtGui module of the Qt Toolkit. |
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| |
| #ifndef QPRINTPREVIEWWIDGET_H |
| #define QPRINTPREVIEWWIDGET_H |
| |
| #include <QtWidgets/qwidget.h> |
| #include <QtPrintSupport/qprinter.h> |
| |
| #ifndef QT_NO_PRINTPREVIEWWIDGET |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QPrintPreviewWidgetPrivate; |
| |
| class Q_PRINTSUPPORT_EXPORT QPrintPreviewWidget : public QWidget |
| { |
| Q_OBJECT |
| Q_DECLARE_PRIVATE(QPrintPreviewWidget) |
| public: |
| |
| enum ViewMode { |
| SinglePageView, |
| FacingPagesView, |
| AllPagesView |
| }; |
| |
| enum ZoomMode { |
| CustomZoom, |
| FitToWidth, |
| FitInView |
| }; |
| |
| explicit QPrintPreviewWidget(QPrinter *printer, QWidget *parent = 0, Qt::WindowFlags flags = 0); |
| explicit QPrintPreviewWidget(QWidget *parent = 0, Qt::WindowFlags flags = 0); |
| ~QPrintPreviewWidget(); |
| |
| qreal zoomFactor() const; |
| QPrinter::Orientation orientation() const; |
| ViewMode viewMode() const; |
| ZoomMode zoomMode() const; |
| int currentPage() const; |
| int pageCount() const; |
| void setVisible(bool visible) Q_DECL_OVERRIDE; |
| |
| public Q_SLOTS: |
| void print(); |
| |
| void zoomIn(qreal zoom = 1.1); |
| void zoomOut(qreal zoom = 1.1); |
| void setZoomFactor(qreal zoomFactor); |
| void setOrientation(QPrinter::Orientation orientation); |
| void setViewMode(ViewMode viewMode); |
| void setZoomMode(ZoomMode zoomMode); |
| void setCurrentPage(int pageNumber); |
| |
| void fitToWidth(); |
| void fitInView(); |
| void setLandscapeOrientation(); |
| void setPortraitOrientation(); |
| void setSinglePageViewMode(); |
| void setFacingPagesViewMode(); |
| void setAllPagesViewMode(); |
| |
| void updatePreview(); |
| |
| Q_SIGNALS: |
| void paintRequested(QPrinter *printer); |
| void previewChanged(); |
| |
| private: |
| Q_PRIVATE_SLOT(d_func(), void _q_fit()) |
| Q_PRIVATE_SLOT(d_func(), void _q_updateCurrentPage()) |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_NO_PRINTPREVIEWWIDGET |
| #endif // QPRINTPREVIEWWIDGET_H |