Hi Ben,
Thank you so much now it is working.
On Thu, Sep 22, 2011 at 9:35 PM, Ben Breslauer <[email protected]> wrote:
> Honestly, since I don't use the old-style syntax, I'm not sure. However,
> using the new-style signals, I think the following does what you want.
>
>
> class LineEditCompleter(QtGui.QLineEdit):
> #create custom signal
> signalTextChanged=QtCore.Signal(list,str)
> def __init__(self,parent=None):
> QtGui.QLineEdit.__init__(self,parent)
> self.textChanged.connect(self.text_changed)
>
>
> def text_changed(self,text):
> print "from text_changed:",text
> allText=unicode(text)
> prefix=allText.split(",")[-1].strip()
>
> names=list()
> for name in allText.split(","):
> name=unicode(name).strip()
> if name!="":
> names.append(str(name))
>
> self.signalTextChanged.emit(names, prefix)
>
>
> def complete_name(self,text):
> cursor_pos=self.cursorPosition()
> before_text=unicode(self.text())[:cursor_pos]
> after_text=unicode(self.text())[cursor_pos:]
> prefix_len=len(before_text.split(",")[-1].strip())
> self.setText("%s%s,
> %s"%(before_text[:cursor_pos-prefix_len],text,after_text))
> self.setCursorPosition(cursor_pos-prefix_len+len(text)+2)
>
> class NameCompleter(QtGui.QCompleter):
> def __init__(self,names=list(),parent=None):
> QtGui.QCompleter.__init__(self,names,parent)
> self.names=names
>
> def updateNames(self,names,completion_prefix):
> print "from updateNames:",names,completion_prefix
> _names=list()
> for name in names:
> if not self.names.__contains__(name):
> _names.append(name)
>
> model=QtGui.QStringListModel(_names,self)
> self.setModel(model)
>
> self.setCompletionPrefix(completion_prefix)
> if completion_prefix.strip() !="":
> self.complete()
>
>
> def main():
> app=QtGui.QApplication(sys.argv)
> nameEditor=LineEditCompleter()
> names=list()
> names.append("ABC")
> names.append("DEF")
> names.append("AAAA")
> completer=NameCompleter(names)
> completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
> nameEditor.signalTextChanged.connect(completer.updateNames)
> completer.activated.connect(nameEditor.complete_name)
>
> completer.setWidget(nameEditor)
> nameEditor.show()
> sys.exit(app.exec_())
>
> if __name__=="__main__":
> main()
>
>
> On Thu, Sep 22, 2011 at 8:51 PM, Ravi ..........! <[email protected]>wrote:
>
>> Hi Ben,
>> I have modified the signal emit statement like you said. even
>> though it is still not firing /calling "updateNames" slot in NameCompleter
>> . What i have to do now? please suggest me.
>>
>>
>> self.emit(QtCore.SIGNAL("signalTextChanged"),names,prefix)
>>
>>
>> QtCore.QObject.connect(nameEditor,QtCore.SIGNAL("signalTextChanged(list,str)"),completer.updateNames)
>>
>> thank you.
>>
>>
>> On Thu, Sep 22, 2011 at 6:36 PM, Ben Breslauer <[email protected]>wrote:
>>
>>> When calling emit, you don't specify the signature. So in
>>> LineEditCompleter.text_changed, you should call
>>>
>>> self.emit(QtCore.SIGNAL("signalTextChanged"),names,prefix)
>>>
>>> In addition, when using old-style signals, you don't need to explicitly
>>> define the signal using QtCore.Signal, Because when you call QObject.emit
>>> (or here, self.emit), it creates the signal dynamically.
>>>
>>> Hope that helps!
>>>
>>> Ben
>>>
>>> On Thu, Sep 22, 2011 at 6:47 PM, Ravi ..........!
>>> <[email protected]>wrote:
>>>
>>>> Hi,
>>>> even after changing the name of the Signal still i'm getting error.
>>>>
>>>> *"
>>>> self.emit(QtCore.SIGNAL("signalTextChanged(list,str)"),names,prefix)
>>>> TypeError: Unknown type used to emit a signal: list"*
>>>>
>>>> class LineEditCompleter(QtGui.QLineEdit):
>>>> #create custom signal
>>>> signalTextChanged=QtCore.Signal(list,str)
>>>> def __init__(self,parent=None):
>>>> QtGui.QLineEdit.__init__(self,parent)
>>>>
>>>> self.connect(self,QtCore.SIGNAL("textChanged(QString)"),self.text_changed)
>>>>
>>>> def text_changed(self,text):
>>>> print "from text_changed:",text
>>>> allText=unicode(text)
>>>> prefix=allText.split(",")[-1].strip()
>>>>
>>>> names=list()
>>>> for name in allText.split(","):
>>>> name=unicode(name).strip()
>>>> if name!="":
>>>> names.append(str(name))
>>>>
>>>>
>>>> self.emit(QtCore.SIGNAL("signalTextChanged(list,str)"),names,prefix)
>>>>
>>>> def complete_name(self,text):
>>>> cursor_pos=self.cursorPosition()
>>>> before_text=unicode(self.text())[:cursor_pos]
>>>> after_text=unicode(self.text())[cursor_pos:]
>>>> prefix_len=len(before_text.split(",")[-1].strip())
>>>> self.setText("%s%s,
>>>> %s"%(before_text[:cursor_pos-prefix_len],text,after_text))
>>>> self.setCursorPosition(cursor_pos-prefix_len+len(text)+2)
>>>>
>>>> class NameCompleter(QtGui.QCompleter):
>>>> def __init__(self,names=list(),parent=None):
>>>> QtGui.QCompleter.__init__(self,names,parent)
>>>> self.names=names
>>>>
>>>> def updateNames(self,names,completion_prefix):
>>>> print "from updateNames:",names,completion_prefix
>>>> _names=list()
>>>> for name in names:
>>>> if not self.names.__contains__(name):
>>>> _names.append(name)
>>>>
>>>> model=QtGui.QStringListModel(_names,self)
>>>> self.setModel(model)
>>>>
>>>> self.setCompletionPrefix(completion_prefix)
>>>> if completion_prefix.strip() !="":
>>>> self.complete()
>>>>
>>>>
>>>> def main():
>>>> app=QtGui.QApplication(sys.argv)
>>>> nameEditor=LineEditCompleter()
>>>> names=list()
>>>> names.append("ABC")
>>>> names.append("DEF")
>>>> names.append("AAAA")
>>>> completer=NameCompleter(names)
>>>> completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
>>>>
>>>> QtCore.QObject.connect(nameEditor,QtCore.SIGNAL("signalTextChanged(list,str)"),completer.updateNames)
>>>>
>>>> QtCore.QObject.connect(completer,QtCore.SIGNAL("activated(QString)"),nameEditor.complete_name)
>>>> completer.setWidget(nameEditor)
>>>> nameEditor.show()
>>>> sys.exit(app.exec_())
>>>>
>>>> if __name__=="__main__":
>>>> main()
>>>>
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>>>> PySide mailing list
>>>> [email protected]
>>>> http://lists.pyside.org/listinfo/pyside
>>>>
>>>>
>>>
>>
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>>
>
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