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Python QCompleter.completionPrefix方法代码示例

本文整理汇总了Python中PySide.QtGui.QCompleter.completionPrefix方法的典型用法代码示例。如果您正苦于以下问题:Python QCompleter.completionPrefix方法的具体用法?Python QCompleter.completionPrefix怎么用?Python QCompleter.completionPrefix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PySide.QtGui.QCompleter的用法示例。


在下文中一共展示了QCompleter.completionPrefix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: EditorCodeCompletion

# 需要导入模块: from PySide.QtGui import QCompleter [as 别名]
# 或者: from PySide.QtGui.QCompleter import completionPrefix [as 别名]
class EditorCodeCompletion(QTextEdit):
    def __init__(self, path_dict):
        super(EditorCodeCompletion, self).__init__()  
        self.m_completer = QCompleter(self)
        self.m_completer.setWidget(self)
        words = []
        
        self.flag_open_angle_bracket = False
        self.tag_name = ""
        
        try:
            f = open(path_dict,"r")
            for word in f:
                words.append(word.strip())
            f.close()
        except IOError:
            print ("dictionary not in anticipated location")
       
        model = QStringListModel(words, self.m_completer)
        
        self.m_completer.setModel(model)
        self.m_completer.setCompletionMode(QCompleter.PopupCompletion)
        self.m_completer.activated.connect(self.insertCompletion)

    def insertCompletion (self, completion):
        cursor = self.textCursor()
        cursor.beginEditBlock()
        cursor.movePosition(QTextCursor.Left)
        cursor.movePosition(QTextCursor.EndOfWord)
        extra = len(self.m_completer.completionPrefix())
        cursor.insertText(completion[extra:])
        self.setTextCursor(cursor)
        cursor.endEditBlock()

    def __insertTag(self):
        '''
        inserts the corresponding closing tag to an opening xml tag
        '''
        self.find('<', QTextDocument.FindBackward)
        tc = self.textCursor()        
        tc.select(QTextCursor.WordUnderCursor)
        txt = '' if self.__stringHasBracket(tc.selectedText().replace(' ', '')) else tc.selectedText()
        txt = '</' + txt + '>'
        
        self.find('>')    
        tc = self.textCursor()
        tc.clearSelection()
        
        tc.insertText(txt) 
        tc.movePosition(QTextCursor.Left, QTextCursor.MoveAnchor, len(txt))
        self.setTextCursor(tc)
    
    def __stringHasBracket(self, s):
        return '<' in s or '>' in s

    def __insertClosingTag(self, event):
        operation_sys = sys.platform 
        flag = "linux" in operation_sys        
        if flag :
            self.__insertClosingTag_Unix(event)
        else:
            self.__insertClosingTag_Win(event)
        
    def __insertClosingTag_Unix(self, event):
        '''
        inserts a closing tag after the closing bracket of open tag
        @param key: keyboard input value as int
        '''
        if self.flag_open_angle_bracket :
            if event.key() == 47 : # /
                print ("/")
                self.flag_open_angle_bracket = False 
            elif event.key() == 62  :  # >
                print (">")
                self.__insertTag()
                self.flag_open_angle_bracket = False  
        elif event.key() == 60  :  # <
            print ("<")
            self.flag_open_angle_bracket = True
 
    def __insertClosingTag_Win(self, event) :
        if self.flag_open_angle_bracket :
            if event.modifiers() & Qt.ShiftModifier :
                if event.key() == 55 : # /
                    print ("/")
                    self.flag_open_angle_bracket = False             
                elif event.key() == 60 : # > 
                    print (">")
                    self.__insertTag()
                    self.flag_open_angle_bracket = False  
        elif event.key() == 60  :  # <
            print ("<")
            self.flag_open_angle_bracket = True    
 
    def keyPressEvent(self, event):
        '''
        checks keyboard input to set closing tag or start code completion 
        '''        
        if self.m_completer.popup().isVisible() :
            if event.key() == Qt.Key_Enter or event.key() == Qt.Key_Return or event.key() == Qt.Key_Tab or event.key() == Qt.Key_Escape :
#.........这里部分代码省略.........
开发者ID:frankfx,项目名称:master_thesis,代码行数:103,代码来源:editor_comp.py


注:本文中的PySide.QtGui.QCompleter.completionPrefix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。