[英]Making QComboBox widgets distinguishable in a for loop using PyQt5
我在創建QComboBox
小部件網格的應用程序時遇到麻煩(請參見下圖)。 我使用for
循環創建網格的元素。
QComboBox網格布局
我希望能夠分別對待每個QComboBox。 這是沒有嘗試的代碼:
grid = QGridLayout()
combos = [
'1', '1', '1', '', '1',
'1', '1', '1', '', '1',
'1', '1', '1', '', '1',
'1', '1', '1', '', '1']
positions = [(i,j) for i in range(5) for j in range(5)]
for position, dcombo in zip(positions, combos):
if dcombo == '':
continue
combo = QComboBox()
for x in range(0, 30):
combo.addItem(QIcon("/icons/%d.PNG" % x),"")
combo.setFixedSize(120,100)
combo.setIconSize(QSize(100,100))
grid.addWidget(combo, *position)
comboList['combo{0}'.format(position)] = position
這是我的嘗試,也是我目前遇到的問題:
grid = QGridLayout()
combos = [
'1', '1', '1', '', '1',
'1', '1', '1', '', '1',
'1', '1', '1', '', '1',
'1', '1', '1', '', '1']
comboList = {}
positions = [(i,j) for i in range(5) for j in range(5)]
for position, drawcombo in zip(positions, combos):
if drawcombo == '':
continue
combo = QComboBox()
for x in range(0, 30): #
combo.addItem(QIcon("absolver deck reviewer/icons/%d.PNG" % x),"")
combo.setFixedSize(120,100)
combo.setIconSize(QSize(100,100))
grid.addWidget(combo, *position)
comboList['combo{0}'.format(position)] = position
combo.currentIndexChanged.connect(lambda: self.logChange(comboList['combo{0}'.format(position)]))
def logChange(self, currentCombo):
sender = self.sender()
print(str(currentCombo) + ' was changed')
print()方法僅返回列表中的最后一個位置(在這種情況下,為(3,4)元組。
當position變量更改時,此變量將被覆蓋,僅打印最后一個變量,如果不希望覆蓋,則必須將其作為參數傳遞給lambda函數。 為此,您還必須將發送信號的變量作為參數傳遞,在您的情況下,請使用以下命令:
combo.currentIndexChanged.connect(
lambda ix, p=position: self.logChange(comboList['combo{0}'.format(p)]))
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