QPdfView 类

A PDF viewer widget. 更多...

头：	#include <QPdfView>
继承：	QAbstractScrollArea

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公共类型

枚举类	PageMode { SinglePage, MultiPage }
枚举类	ZoomMode { Custom, FitToWidth, FitInView }

特性

(从 6.6 起) currentSearchResultIndex : int document : QPdfDocument* documentMargins : QMargins pageMode : PageMode

pageSpacing : int (从 6.6 起) searchModel : QPdfSearchModel* zoomFactor : qreal zoomMode : ZoomMode

公共函数

	QPdfView (QWidget * parent )
virtual	~QPdfView ()
int	currentSearchResultIndex () const
QPdfDocument *	document () const
QMargins	documentMargins () const
QPdfView::PageMode	pageMode () const
QPdfPageNavigator *	pageNavigator () const
int	pageSpacing () const
QPdfSearchModel *	searchModel () const
void	setDocument (QPdfDocument * document )
void	setDocumentMargins (QMargins margins )
void	setPageSpacing (int spacing )
void	setSearchModel (QPdfSearchModel * searchModel )
qreal	zoomFactor () const
QPdfView::ZoomMode	zoomMode () const

公共槽

void	setCurrentSearchResultIndex (int currentResult )
void	setPageMode (QPdfView::PageMode mode )
void	setZoomFactor (qreal factor )
void	setZoomMode (QPdfView::ZoomMode mode )

信号

void	currentSearchResultIndexChanged (int currentResult )
void	documentChanged (QPdfDocument * document )
void	documentMarginsChanged (QMargins documentMargins )
void	pageModeChanged (QPdfView::PageMode pageMode )
void	pageSpacingChanged (int pageSpacing )
void	searchModelChanged (QPdfSearchModel * searchModel )
void	zoomFactorChanged (qreal zoomFactor )
void	zoomModeChanged (QPdfView::ZoomMode zoomMode )

详细描述

QPdfView is a PDF viewer widget that offers a user experience similar to many common PDF viewer applications, with two modes 。在 MultiPage mode, it supports flicking through the pages in the entire document, with narrow gaps between the page images. In the SinglePage mode, it shows one page at a time.

成员类型文档编制

enum class QPdfView:: PageMode

This enum describes the overall behavior of the PDF viewer:

常量	值	描述
QPdfView::PageMode::SinglePage	0	Show one page at a time.
QPdfView::PageMode::MultiPage	1	Allow scrolling through all pages in the document.

enum class QPdfView:: ZoomMode

This enum describes the magnification behavior of the PDF viewer:

常量	值	描述
QPdfView::ZoomMode::Custom	0	使用 zoomFactor 仅。
QPdfView::ZoomMode::FitToWidth	1	Automatically choose a zoom factor so that the width of the page fits in the view.
QPdfView::ZoomMode::FitInView	2	Automatically choose a zoom factor so that the entire page fits in the view.

特性文档编制

[since 6.6] currentSearchResultIndex : int

If this property is set to a positive number, and searchModel 有设置， QPdfView draws a frame around the search result provided by QPdfSearchModel at the given index. For example, if QPdfSearchModel is used as the model for a QListView , you can keep this property updated by connecting QItemSelectionModel::currentChanged () 从 QListView::selectionModel () to a function that will in turn call this function.

By default it is -1 , so that no search results are framed.

该特性在 Qt 6.6 引入。

访问函数：

int	currentSearchResultIndex () const
void	setCurrentSearchResultIndex (int currentResult )

通知程序信号：

void	currentSearchResultIndexChanged (int currentResult )

document : QPdfDocument *

This property holds the document to be viewed.

访问函数：

QPdfDocument *	document () const
void	setDocument (QPdfDocument * document )

通知程序信号：

void	documentChanged (QPdfDocument * document )

documentMargins : QMargins

This property holds the margins around the page view.

访问函数：

QMargins	documentMargins () const
void	setDocumentMargins (QMargins margins )

通知程序信号：

void	documentMarginsChanged (QMargins documentMargins )

pageMode : PageMode

This property holds whether to show one page at a time, or all pages in the document. The default is SinglePage .

访问函数：

QPdfView::PageMode	pageMode () const
void	setPageMode (QPdfView::PageMode mode )

通知程序信号：

void	pageModeChanged (QPdfView::PageMode pageMode )

pageSpacing : int

This property holds the size of the padding between pages in the MultiPage mode .

访问函数：

int	pageSpacing () const
void	setPageSpacing (int spacing )

通知程序信号：

void	pageSpacingChanged (int pageSpacing )

[since 6.6] searchModel : QPdfSearchModel *

If this property is set, QPdfView draws highlight rectangles over the search results provided by QPdfSearchModel::resultsOnPage (). By default it is nullptr .

该特性在 Qt 6.6 引入。

访问函数：

QPdfSearchModel *	searchModel () const
void	setSearchModel (QPdfSearchModel * searchModel )

通知程序信号：

void	searchModelChanged (QPdfSearchModel * searchModel )

zoomFactor : qreal

This property holds the ratio of pixels to points. The default is 1 , meaning one point (1/72 of an inch) equals 1 logical pixel.

访问函数：

qreal	zoomFactor () const
void	setZoomFactor (qreal factor )

通知程序信号：

void	zoomFactorChanged (qreal zoomFactor )

zoomMode : ZoomMode

This property indicates whether to use a custom size for the page(s), or zoom them to fit to the view. The default is CustomZoom .

访问函数：

QPdfView::ZoomMode	zoomMode () const
void	setZoomMode (QPdfView::ZoomMode mode )

通知程序信号：

void	zoomModeChanged (QPdfView::ZoomMode zoomMode )

成员函数文档编制

[explicit] QPdfView:: QPdfView ( QWidget * parent )

构造 PDF 查看器采用父级小部件 parent .

[virtual noexcept] QPdfView:: ~QPdfView ()

销毁 PDF 查看器。

QPdfPageNavigator *QPdfView:: pageNavigator () const

This accessor returns the navigation stack that will handle back/forward navigation.

内容

1. 公共类型

2. 特性

3. 公共函数

4. 公共槽

5. 信号

6. 详细描述