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[英]By clicking a button, print some texts entered in QLineEdit when a checkbox is checked PyQt4
[英]When one checkbox is checked, by pressing a button to print some texts from a LineEdit if another checkbox is also checked
import sys, os
import PyQt4
from PyQt4 import QtGui, QtCore
from PyQt4.QtCore import *
from PyQt4.QtGui import *
class Tab1Widget1(QWidget):
def __init__(self, parent=None):
super().__init__()
self.Tab1Widget1initUI()
self.bridge = Tab1Widget2()
def Tab1Widget1initUI(self):
self.setLayout(QGridLayout())
self.T1W1_checkbox = QCheckBox('checkbox1', self)
self.layout().addWidget(self.T1W1_checkbox, 1, 0)
def test(self):
print ('123')
def run(self):
if self.T1W1_checkbox.isChecked() == True:
self.test()
if self.bridge.T1W2_checkbox.isChecked() == True:
print (self.bridge.T1W2_le.text())
class Tab1Widget2(QWidget):
def __init__(self, parent=None):
super().__init__()
self.setLayout(QGridLayout())
self.T1W2_checkbox = QCheckBox('checkbox2', self)
self.layout().addWidget(self.T1W2_checkbox, 0, 0)
self.T1W2_le = QLineEdit()
self.layout().addWidget(self.T1W2_le, 0, 1)
class Tab1Layout(QWidget):
def __init__(self, parent=None):
super().__init__()
self.setLayout(QGridLayout())
self.group1 = Tab1Widget1(self)
scroll = QScrollArea(self)
scroll.setWidget(self.group1)
scroll.setWidgetResizable(True)
self.layout().addWidget(scroll, 0, 0)
self.group2 = Tab1Widget2(self)
self.layout().addWidget(self.group2, 1, 0)
self.btnRun = QPushButton('Run', self)
self.layout().addWidget(self.btnRun, 3, 0)
self.btnRun.clicked.connect(self.group1.run)
class Page1(QTabWidget):
def __init__(self, parent=None):
super().__init__()
self.tab1 = Tab1Layout()
self.addTab(self.tab1, "Tab1")
self.tab2 = QWidget()
self.tab3 = QWidget()
self.addTab(self.tab2, "Tab2")
self.addTab(self.tab3, "Tab3")
self.tab2_initUI()
self.tab3_initUI()
def tab2_initUI(self):
grid = QGridLayout()
self.tab2.setLayout(grid)
def tab3_initUI(self):
grid = QGridLayout()
self.tab3.setLayout(grid)
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super().__init__()
self.setGeometry(450, 250, 800, 550)
self.startPage1()
def startPage1(self):
x = Page1(self)
self.setWindowTitle("Auto Benchmark")
self.setCentralWidget(x)
self.show()
def main():
app = QApplication(sys.argv)
main = MainWindow()
main.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
如果checkbox1
被選中並且我按下run
按鈕,它將打印123
。 但是,通過按下run
按鈕,如果 checkbox1 也被選中(即它應該先打印123
然后打印456
),我希望checkbox2
也打印在 lineedit 中輸入的一些文本。
我查了一些類似的問題,但沒有一個提供正確的答案。 如果有人知道如何解決,請告訴我謝謝!!
問題是你正在創建幾個Tab1Widget2,你在Tab1Layout中創建的第一個,也就是你看到的那個,然后你在Tab1Widget1中創建了另一個,但不是時間,因為你沒有通過父母,如果你通過它以 ** self ** 作為父級,您將觀察到以下內容:
self.bridge = Tab1Widget2(self)
這不是你想要的,所以不是創建一個新的,你必須傳遞一個已經存在的,一個選項是通過構造函數傳遞它:
class Tab1Widget1(QWidget):
def __init__(self, bridge, parent=None): # Modify here
super().__init__(parent)
self.Tab1Widget1initUI()
self.bridge = bridge #Modify here
# ...
def test(self): print ('123')
def run(self):
if self.T1W1_checkbox.isChecked():
self.test()
if self.bridge.T1W2_checkbox.isChecked():
print (self.bridge.T1W2_le.text())
class Tab1Widget2(QWidget):
# ...
class Tab1Layout(QWidget):
def __init__(self, parent=None):
super().__init__()
self.setLayout(QGridLayout())
self.group2 = Tab1Widget2(self) # Modify here
self.group1 = Tab1Widget1(self.group2, self) # Modify here
scroll = QScrollArea(self)
scroll.setWidget(self.group1)
scroll.setWidgetResizable(True)
self.layout().addWidget(scroll, 0, 0)
# self.group2 = Tab1Widget2(self) # Modify here
self.layout().addWidget(self.group2, 1, 0)
# ...
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