[英]PyQt strange behavior on clicked items
我有一个包含多行的表,在第0列上放了一个复选框,定义如下:
for char in accounts:
for columnNumber in range(numberColumns):
pWidget = QWidget()
pCheckbox = QCheckBox()
pLayout = QVBoxLayout(pWidget)
pLayout.addWidget(pCheckbox)
pLayout.setAlignment(Qt.AlignCenter)
pLayout.setContentsMargins(0, 0 ,0, 0)
pCheckbox.setCheckState(False)
pCheckbox.clicked.connect(self.handleItemClicked)
pWidget.setLayout(pLayout)
self.mainAccountTable.insertRow(currentRowCount)
self.mainAccountTable.setCellWidget(currentRowCount, 0, pWidget)
self.mainAccountTable.setItem(currentRowCount, 1, QTableWidgetItem(char[1]))
我有一个连接的方法来处理点击:
def handleItemClicked(self):
try:
#self.accountsSelected = []
for account in range(self.mainAccountTable.rowCount()):
if self.mainAccountTable.cellWidget(account, 0).findChild(type(QCheckBox())).isChecked():
self.accountsSelected.add(self.mainAccountTable.item(account, 1).text())
print ("yes:",self.accountsSelected)
else:
self.accountsSelected.remove(self.mainAccountTable.item(account, 1).text())
print ("no:",self.accountsSelected)
except Exception as e:
print ("Error",e)
令我困扰的是,它工作得很好,但是只有当我选中或取消选中第一个复选框(第0行,第0列)时,它才会刷新结果。 我也尝试过将信号与已toggled
...连接相同。 因此,当我检查或取消选中除第一行以外的其他行时,如何使它更新结果? 提前致谢。
以后的编辑:我更新它的代码,输出是这样的:如果我选中除第一个复选框以外的其他复选框,则输出为: 'Account1'
,如果我选择了,假设有5个帐户,并且我也选中了第一个复选框这是输出:
yes: {'Account2', 'Account1'}
yes: {'Account2', 'Account1'}
yes: {'Account2', 'Account1', 'Account3'}
yes: {'Account2', 'Account1', 'Account3', 'Account4'}
yes: {'Account2', 'Account1', 'Account3', 'Account4', 'Account5'}
Error: 'Account 6' #is not selected which is true, BUT WHY is checking also for that?!?!
有n = rowCount()
pCheckBoxes。 但只有1个pCheckBox的clicked()
信号连接到self.handleItemClicked()
。 在代码的第一部分中使用connect()
,以连接每个pCheckBox。 由于存在n个pCheckbox,pWidgets,pLayouts删除“自身”:
pWidget = QWidget()
pCheckbox = QCheckBox()
pLayout = QVBoxLayout(pWidget)
pLayout.addWidget(pCheckbox)
pLayout.setAlignment(Qt.AlignCenter)
pLayout.setContentsMargins(0, 0 ,0, 0)
pCheckbox.setCheckState(False)
pCheckBox.clicked.connect(self.handleItemClicked)
pWidget.setLayout(pLayout)
self.mainAccountTable.insertRow(currentRowCount)
self.mainAccountTable.setCellWidget(currentRowCount, 0, pWidget)
该错误在“ else”分支中,并且解决方法是为每个检查设置两个for循环:
def handleItemClicked(self, account):
try:
accountsSelected = set()
for account in range(self.mainAccountTable.rowCount()):
if self.mainAccountTable.cellWidget(account, 0).findChild(type(QCheckBox())).isChecked():
accountsSelected.add(self.mainAccountTable.item(account, 1).text())
print ("selected:",accountsSelected)
for account in range(self.mainAccountTable.rowCount()):
if not self.mainAccountTable.cellWidget(account, 0).findChild(type(QCheckBox())).isChecked():
accountsSelected.remove(self.mainAccountTable.item(account, 1).text())
print ("not selected:",accountsSelected)
print ("main:", accountsSelected)
return accountsSelected
except Exception as e:
print ("error:",e)
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