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Python QCompleter.setWidget方法代码示例

本文整理汇总了Python中PyQt5.QtWidgets.QCompleter.setWidget方法的典型用法代码示例。如果您正苦于以下问题:Python QCompleter.setWidget方法的具体用法?Python QCompleter.setWidget怎么用?Python QCompleter.setWidget使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在PyQt5.QtWidgets.QCompleter的用法示例。


在下文中一共展示了QCompleter.setWidget方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: HelpWebSearchWidget

# 需要导入模块: from PyQt5.QtWidgets import QCompleter [as 别名]
# 或者: from PyQt5.QtWidgets.QCompleter import setWidget [as 别名]
class HelpWebSearchWidget(E5ClearableLineEdit):
    """
    Class implementing a web search widget for the web browser.
    
    @signal search(QUrl) emitted when the search should be done
    """
    search = pyqtSignal(QUrl)
    
    def __init__(self, parent=None):
        """
        Constructor
        
        @param parent reference to the parent widget (QWidget)
        """
        super(HelpWebSearchWidget, self).__init__(parent)
        
        from E5Gui.E5LineEdit import E5LineEdit
        from E5Gui.E5LineEditButton import E5LineEditButton
        from .OpenSearch.OpenSearchManager import OpenSearchManager

        self.__mw = parent
        
        self.__openSearchManager = OpenSearchManager(self)
        self.__openSearchManager.currentEngineChanged.connect(
            self.__currentEngineChanged)
        self.__currentEngine = ""
        
        self.__enginesMenu = QMenu(self)
        
        self.__engineButton = E5LineEditButton(self)
        self.__engineButton.setMenu(self.__enginesMenu)
        self.addWidget(self.__engineButton, E5LineEdit.LeftSide)
        
        self.__searchButton = E5LineEditButton(self)
        self.__searchButton.setIcon(UI.PixmapCache.getIcon("webSearch.png"))
        self.addWidget(self.__searchButton, E5LineEdit.LeftSide)
        
        self.__model = QStandardItemModel(self)
        self.__completer = QCompleter()
        self.__completer.setModel(self.__model)
        self.__completer.setCompletionMode(
            QCompleter.UnfilteredPopupCompletion)
        self.__completer.setWidget(self)
        
        self.__searchButton.clicked.connect(self.__searchButtonClicked)
        self.textEdited.connect(self.__textEdited)
        self.returnPressed.connect(self.__searchNow)
        self.__completer.activated[QModelIndex].connect(
            self.__completerActivated)
        self.__completer.highlighted[QModelIndex].connect(
            self.__completerHighlighted)
        self.__enginesMenu.aboutToShow.connect(self.__showEnginesMenu)
        
        self.__suggestionsItem = None
        self.__suggestions = []
        self.__suggestTimer = None
        self.__suggestionsEnabled = Preferences.getHelp("WebSearchSuggestions")
        
        self.__recentSearchesItem = None
        self.__recentSearches = []
        self.__maxSavedSearches = 10
        
        self.__engine = None
        self.__loadSearches()
        self.__setupCompleterMenu()
        self.__currentEngineChanged()
    
    def __searchNow(self):
        """
        Private slot to perform the web search.
        """
        searchText = self.text()
        if not searchText:
            return
        
        globalSettings = QWebSettings.globalSettings()
        if not globalSettings.testAttribute(
                QWebSettings.PrivateBrowsingEnabled):
            if searchText in self.__recentSearches:
                self.__recentSearches.remove(searchText)
            self.__recentSearches.insert(0, searchText)
            if len(self.__recentSearches) > self.__maxSavedSearches:
                self.__recentSearches = \
                    self.__recentSearches[:self.__maxSavedSearches]
            self.__setupCompleterMenu()
        
        url = self.__openSearchManager.currentEngine().searchUrl(searchText)
        self.search.emit(url)
    
    def __setupCompleterMenu(self):
        """
        Private method to create the completer menu.
        """
        if not self.__suggestions or \
           (self.__model.rowCount() > 0 and
                self.__model.item(0) != self.__suggestionsItem):
            self.__model.clear()
            self.__suggestionsItem = None
        else:
            self.__model.removeRows(1, self.__model.rowCount() - 1)
#.........这里部分代码省略.........
开发者ID:pycom,项目名称:EricShort,代码行数:103,代码来源:HelpWebSearchWidget.py


注:本文中的PyQt5.QtWidgets.QCompleter.setWidget方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。