python中复选框取消修改_python – 如何在PySide / PyQt中设置“只读复选框”
我遲到了 – 看起來(lái)你有一個(gè)有效的解決方案.為了將來(lái)參考,您可以采用的另一種方式是使用鼠標(biāo)事件 – 這可以保持所有信號(hào)的工作方式:
from PyQt4 import QtGui, QtCore
class MyCheckBox(QtGui.QCheckBox):
def __init__( self, *args ):
super(MyCheckBox, self).__init__(*args) # will fail if passing **kwargs
self._readOnly = False
def isReadOnly( self ):
return self._readOnly
def mousePressEvent( self, event ):
if ( self.isReadOnly() ):
event.accept()
else:
super(MyCheckBox, self).mousePressEvent(event)
def mouseMoveEvent( self, event ):
if ( self.isReadOnly() ):
event.accept()
else:
super(MyCheckBox, self).mouseMoveEvent(event)
def mouseReleaseEvent( self, event ):
if ( self.isReadOnly() ):
event.accept()
else:
super(MyCheckBox, self).mouseReleaseEvent(event)
# Handle event in which the widget has focus and the spacebar is pressed.
def keyPressEvent( self, event ):
if ( self.isReadOnly() ):
event.accept()
else:
super(MyCheckBox, self).keyPressEvent(event)
@QtCore.pyqtSlot(bool)
def setReadOnly( self, state ):
self._readOnly = state
readOnly = QtCore.pyqtProperty(bool, isReadOnly, setReadOnly)
以這種方式設(shè)置代碼可以為您提供一些(您可能或可能不關(guān)心)但在開(kāi)發(fā)自定義Qt小部件時(shí)非常有用:
>消耗事件會(huì)阻止信號(hào)發(fā)射,因此您仍然可以將其他插槽連接到clicked&切換.如果你正在尋找這些信號(hào)然后只是打開(kāi)/關(guān)閉值 – 那么聽(tīng)取這些信號(hào)的其他小部件將被錯(cuò)誤地觸發(fā)>使用isReadOnly / setReadOnly使類(lèi)遵循Qt編碼樣式>創(chuàng)建pyqtSignals&如果將插件公開(kāi)給Qt的Designer,pyqtSlots會(huì)有所幫助
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