PyQt网格布局整合小部件

Question

PyQt网格布局整合小部件

6

例如，我有一个GUI界面，它包含了label1+line_edit1、label2+line_edit2、button1、button2和button3。通常来说，代码看起来会像这样：

class gridlayout_example(QtGui.QWidget):
    def __init__(self):
        self.grid_layout = QtGui.QGridLayout()

        self.label1 = QtGui.QLabel("label1")
        self.grid_layout.addWidget(self.label1,0,0,1,3)

        self.line_edit1 = QtGui.QLineEdit()
        self.grid_layout.addWidget(self.line_edit1,1,0,1,3)

        self.label2 = QtGui.QLabel("label2")
        self.grid_layout.addWidget(self.label1,2,0,1,3)

        self.line_edit2 = QtGui.QLineEdit()
        self.grid_layout.addWidget(self.line_edit2,3,0,1,3)

        self.button1 = QtGui.QPushButton("button1")
        self.button2 = QtGui.QPushButton("button2")
        self.button3 = QtGui.QPushButton("button3")

        self.grid_layout.addWidget(self.button1, 4,0,1,1)
        self.grid_layout.addWidget(self.button2, 4,1,1,1)
        self.grid_layout.addWidget(self.button3, 4,2,1,1)

        self.setLayout(self.grid_layout)

但是有没有一种方法可以将label1+line_edit1和label2+line_edit2组合起来，使其变成以下形式：

[label1                    
 line edit1               ] -> (0,0,1,3)
[label2                    
 line edit2               ] -> (1,0,1,3)
[button1][button2][button3] -> (2,x,1,1)

所以基本上label1 + line edit1会占据网格布局的第0行，label2 + line edit2会占据第1行，依此类推...

- Krin123

1个回答

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- user3419537 · Accepted Answer

创建第二个布局用作子布局，将您的小部件添加到其中，并使用addLayout()代替addWidget()

class gridlayout_example(QtGui.QWidget):
    def __init__(self, parent=None):
        super(gridlayout_example, self).__init__(parent)

        label1 = QtGui.QLabel('label 1')
        line_edit1 = QtGui.QLineEdit()
        sublayout1 = QtGui.QVBoxLayout()
        sublayout1.addWidget(label1)
        sublayout1.addWidget(line_edit1)

        label2 = QtGui.QLabel('label 2')
        line_edit2 = QtGui.QLineEdit()
        sublayout2 = QtGui.QVBoxLayout()
        sublayout2.addWidget(label2)
        sublayout2.addWidget(line_edit2)

        button1 = QtGui.QPushButton("button1")
        button2 = QtGui.QPushButton("button2")
        button3 = QtGui.QPushButton("button3")

        grid_layout = QtGui.QGridLayout(self)
        grid_layout.addLayout(sublayout1, 0, 0, 1, 3)
        grid_layout.addLayout(sublayout2, 1, 0, 1, 3)
        grid_layout.addWidget(button1, 2, 0, 1, 1)
        grid_layout.addWidget(button2, 2, 1, 1, 1)
        grid_layout.addWidget(button3, 2, 2, 1, 1)