[英]PyQt strange behavior on clicked items
我有一個包含多行的表,在第0列上放了一個復選框,定義如下:
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]))
我有一個連接的方法來處理點擊:
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)
令我困擾的是,它工作得很好,但是只有當我選中或取消選中第一個復選框(第0行,第0列)時,它才會刷新結果。 我也嘗試過將信號與已toggled
...連接相同。 因此,當我檢查或取消選中除第一行以外的其他行時,如何使它更新結果? 提前致謝。
以后的編輯:我更新它的代碼,輸出是這樣的:如果我選中除第一個復選框以外的其他復選框,則輸出為: 'Account1'
,如果我選擇了,假設有5個帳戶,並且我也選中了第一個復選框這是輸出:
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個pCheckBox的clicked()
信號連接到self.handleItemClicked()
。 在代碼的第一部分中使用connect()
,以連接每個pCheckBox。 由於存在n個pCheckbox,pWidgets,pLayouts刪除“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)
該錯誤在“ else”分支中,並且解決方法是為每個檢查設置兩個for循環:
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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