强制 QListWidget 信号在 pyside 中发出

Question

如何强制从按下按钮触发的函数中发出以下任何信号？

def currentItemChanged (current, previous)
def currentRowChanged (currentRow)
def currentTextChanged (currentText)
def itemActivated (item)
def itemChanged (item)
def itemClicked (item)
def itemDoubleClicked (item)
def itemEntered (item)
def itemPressed (item)
def itemSelectionChanged ()

Answer 1

你可以自己发出信号。假设 self 是 QListWidget:

的实例

self.itemActivated.emit(myItem)
self.currentTextChanged.emit("some new text")
...