QHelpSearchQueryWidget 類

QHelpSearchQueryWidget 類提供使用戶能夠在標準化輸入掩碼中輸入搜索術語的簡單行編輯或高級 Widget。更多...

頭：	#include <QHelpSearchQueryWidget>
qmake:	QT += help
Since:	Qt 4.4
繼承：	QWidget

該類在 Qt 4.4 引入。

公共函數

	QHelpSearchQueryWidget (QWidget * parent = nullptr)
virtual	~QHelpSearchQueryWidget () override
void	collapseExtendedSearch ()
void	expandExtendedSearch ()
QString	searchInput () const
void	setSearchInput (const QString & searchInput )

信號

void	search ()

詳細描述

成員函數文檔編製

QHelpSearchQueryWidget:: QHelpSearchQueryWidget ( QWidget * parent = nullptr)

Constructs a new search query widget with the given parent .

`[signal]` void QHelpSearchQueryWidget:: search ()

This signal is emitted when a the user has the search button invoked. After receiving the signal you can ask the QHelpSearchQueryWidget for the search input that you may pass to the QHelpSearchEngine::search() function.

`[override virtual]` QHelpSearchQueryWidget:: ~QHelpSearchQueryWidget ()

Destroys the search query widget.

void QHelpSearchQueryWidget:: collapseExtendedSearch ()

Collapses the search query widget so that only the default search field is shown.

void QHelpSearchQueryWidget:: expandExtendedSearch ()

Expands the search query widget so that the extended search fields are shown.

QString QHelpSearchQueryWidget:: searchInput () const

Returns a search phrase to use in combination with the QHelpSearchEngine::search(const QString &searchInput) function.

該函數在 Qt 5.9 引入。

另請參閱 setSearchInput ().

void QHelpSearchQueryWidget:: setSearchInput (const QString & searchInput )

設置 QHelpSearchQueryWidget input field to the value specified by searchInput .

注意： The QHelpSearchEngine::search(const QString & searchInput ) function has to be called to perform the actual search.