Question

我正在尝试构建翻译器并在其中放入一个搜索栏。使用QLineEdit 我想要的是自动完成这个词。 .. 我试过这个。但这段代码不起作用，我在谈论SearchBar功能。但其余代码正在使用其余程序就好了。但SearchBar功能无法正常工作。并没有完成我在LineEdit中输入的内容

from PyQt4 import QtGui,QtCore
import sys
from MainWin import Ui_MainWindow
import sqlite3

conn = sqlite3.connect('DictDB.db')
cors = conn.cursor()


class MainApp(QtGui.QMainWindow,Ui_MainWindow):
    def __init__(self):
        super(MainApp,self).__init__()

        self.setupUi(self)
        self.showMaximized()

        cors.execute("SELECT * FROM DictContents")
        for raw in cors.fetchall():
            self.TextBrowserAra.append(raw[0])
            self.TextBrowserGer.append(raw[1])
            self.SearchBar(raw[0].strip(),raw[1].strip())


    def SearchBar(self,keys,values):
        mydict = {}
        AraKey = mydict[0]=[keys]
        GerKey = mydict[1]=[values]
        Model = QtGui.QStringListModel()
        ModAra = Model.setStringList(AraKey)
        ModGer = Model.setStringList(GerKey)
        completer = QtGui.QCompleter()
        CompAra = completer.setModel(ModAra)
        ComGer = completer.setModel(ModGer)
        self.LineEditAra.setCompleter(CompAra)
        self.LineEditGer.setCompleter(ComGer)

Answer 1

函数setModel()和setCompleter()无效，不返回任何值。

您可以这样写：

    AraKey = ['a','ab','abc']
    ModAra = QtGui.QStringListModel()
    ModAra.setStringList(AraKey)
    ComAra = QtGui.QCompleter()
    ComAra.setModel(ModAra)
    self.LineEditAra.setCompleter(ComAra)

我试过这个，它确实有用。

Answer 2

我发现它..它必须将列表传递给SearchBar函数而不是dict .. 所以这有效..

    # first make an empty lists 
    self.AraList = [] 
    self.GerList = []
    for raw in cors.fetchall():
        self.AraList.append(raw[0]) # put all data in one list
        self.GerList.append(raw[1]) # " "
    self.SearchBar(self.AraList,self.GerList) # passing the lists to SearchBar Function 

def SearchBar(self,keys,values): 
    print(keys) #make sure its returns one big list , Lets try the keys first 
    ModAra = QtGui.QStringListModel()
    ModAra.setStringList(keys)
    ComAra = QtGui.QCompleter()
    ComAra.setModel(ModAra)
    self.LineEditAra.setCompleter(ComAra)
     # It worked just fine

Python PyQt QLineEdit搜索栏

2 个答案: