04-QFormLayout-创建、行操作(1).py

import sys

from PyQt5.Qt import *

"""
    AllNonFixedFieldsGrow = 2
    DontWrapRows = 0
    ExpandingFieldsGrow = 1
    FieldRole = 1
    FieldsStayAtSizeHint = 0
    LabelRole = 0
    SpanningRole = 2
    WrapAllRows = 2
    WrapLongRows = 1
"""

"""
添加行
插入行
获取行信息
"""


class Window(QWidget):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("QFormLayout")
        self.resize(500, 500)
        self.move(400, 250)
        self.setup_ui()

    def setup_ui(self):
        name_label = QLabel("姓名：(&n):")
        age_label = QLabel("年龄：(&g):")
        name_le = QLineEdit()
        age_sb = QSpinBox()

        submit_button = QPushButton("提交")

        # name_label.setBuddy(name_le)
        # age_label.setBuddy(age_sb)

        sex_label = QLabel("性别")
        male_rb = QRadioButton("男")
        female_rb = QRadioButton("女")
        h_layout = QHBoxLayout()
        h_layout.addWidget(male_rb)
        h_layout.addWidget(female_rb)

        # 1.创建布局管理器
        layout = QFormLayout()
        # 2.把布局管理器赋值给需要布局的父控件
        self.setLayout(layout)

        # 3.把需要布局的子控件交给布局管理器进行布局
        # layout.addWidget(name_label)
        layout.addWidget(name_le)

        # layout.addRow(name_label, name_le)
        layout.addRow("姓名（&n）:", name_le)  # 可以替代 name_label.setBuddy(name_le)等操作
        # layout.addRow(sex_label, h_layout)
        # layout.addRow(age_label, age_sb)
        layout.addRow("年龄(&g):", age_sb)
        layout.addRow(submit_button)

        layout.insertRow(2, "性别:", h_layout)  # 插入行
        # layout.insertRow(10, '性别:', h_layout)  # 索引越界后自动加到最后一行

        print(layout.rowCount())  # 返回总行数
        print(layout.getWidgetPosition(age_sb))  # 返回一个元组，第一项为行号，第二项为左右位置
        print(layout.getWidgetPosition(name_le))
        print(layout.getWidgetPosition(name_label))  # 在布局管理器中找不到此对象时返回元组第一项为 -1
        print(layout.getLayoutPosition(h_layout))  # 获取子布局管理器位置


if __name__ == "__main__":
    app = QApplication(sys.argv)

    window = Window()
    window.show()

    sys.exit(app.exec_())