QPdfView 类

A PDF viewer widget. 更多...

头：	#include <QPdfView>
继承：	QAbstractScrollArea

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公共类型

enum class	PageMode { SinglePage, MultiPage }
enum class	ZoomMode { Custom, FitToWidth, FitInView }

特性

currentSearchResultIndex : int document : QPdfDocument* documentMargins : QMargins pageMode : PageMode

pageSpacing : int 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 . In the 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 only.
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.

This property was introduced in Qt 6.6.

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 .

This property was introduced in Qt 6.6.

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

• 公共类型

• 特性

• 公共函数

• 公共槽

• 信号

• 详细描述