另请参阅 QPdfDocument .

特性文档编制

canGoToNextPage : const bool

Indicates whether there is a page after the current page.

访问函数：

bool	canGoToNextPage () const

通知程序信号：

void	canGoToNextPageChanged (bool canGo )

另请参阅 canGoToNextPage () 和 goToNextPage ().

canGoToPreviousPage : const bool

Indicates whether there is a page before the current page.

访问函数：

bool	canGoToPreviousPage () const

通知程序信号：

void	canGoToPreviousPageChanged (bool canGo )

另请参阅 canGoToPreviousPage () 和 goToPreviousPage ().

currentPage : int

This property holds the current page number in the document.

访问函数：

int	currentPage () const
void	setCurrentPage (int page )

通知程序信号：

void	currentPageChanged (int currentPage )

另请参阅 currentPage () 和 setCurrentPage ().

document : QPdfDocument *

This property holds the document instance on which this object navigates.

默认情况下此特性为 nullptr .

访问函数：

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

通知程序信号：

void	documentChanged (QPdfDocument * document )

另请参阅 document (), setDocument ()，和 QPdfDocument .

pageCount : const int

This property holds the number of pages in the document.

访问函数：

int	pageCount () const

通知程序信号：

void	pageCountChanged (int pageCount )

另请参阅 pageCount ().

成员函数文档编制

QPdfPageNavigation:: QPdfPageNavigation ( QObject * parent = nullptr)

Constructs a page navigation object with parent object parent .

[slot] void QPdfPageNavigation:: goToNextPage ()

Changes the current page to the next page.

If there is no next page in the document, nothing happens.

另请参阅 canGoToNextPage .

[slot] void QPdfPageNavigation:: goToPreviousPage ()

Changes the current page to the previous page.

If there is no previous page in the document, nothing happens.

另请参阅 canGoToPreviousPage .

[virtual] QPdfPageNavigation:: ~QPdfPageNavigation ()

Destroys the page navigation object.

bool QPdfPageNavigation:: canGoToNextPage () const

Returns whether there is a page after the current one.

注意： Getter function for property canGoToNextPage.

bool QPdfPageNavigation:: canGoToPreviousPage () const

Returns whether there is a page before the current one.

注意： Getter function for property canGoToPreviousPage.

int QPdfPageNavigation:: currentPage () const

Returns the current page number or 0 if there is no document set.

After a document has been loaded, the currentPage will always be 0 .

注意： Getter function for property currentPage.

另请参阅 setCurrentPage ().

QPdfDocument *QPdfPageNavigation:: document () const

Returns the document on which this object navigates, or a nullptr if none has set before.

注意： Getter function for property document.

另请参阅 setDocument () 和 QPdfDocument .

int QPdfPageNavigation:: pageCount () const

Returns the number of pages in the document or 0 if there is no document set.

注意： Getter 函数对于特性 pageCount。

void QPdfPageNavigation:: setCurrentPage ( int page )

设置当前 page number.

注意： Setter 函数对于特性 currentPage .

另请参阅 currentPage ().

void QPdfPageNavigation:: setDocument ( QPdfDocument * document )

设置 document 当此对象导航时。

After a new document has been set, the currentPage 将是 0 .

注意： Setter 函数对于特性 document .

另请参阅 document () 和 QPdfDocument .