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The Unurin
Asked:2024-09-29 19:23:34 +0000 UTC2024-09-29 19:23:34 +0000 UTC

QVBoxLayout 中的小部件相互重叠

  • 772

我正在PySide6中编写一个程序，我创建了一个“窗帘”，当您按下按钮时它会改变其大小。

问题在于，当Dropdown()处于折叠位置时，按钮会相互重叠。

我们如何固定它们相对于窗口的位置，以便在最小高度时，只显示一个顶部按钮？

from PySide6.QtCore import Qt, QPropertyAnimation, Property, QEasingCurve
from PySide6.QtWidgets import (
    QApplication,
    QMainWindow,
    QVBoxLayout,
    QPushButton,
    QFrame,
)


class Dropdown(QFrame):
    def __init__(self):
        super().__init__()
        self.isMin = False
        self.setFixedSize(300, 135)
        self.setStyleSheet("background-color: white;")

        button = QPushButton("Свернуть/развернуть")
        button.setStyleSheet("background: red;")
        button.setFixedHeight(25)
        button.clicked.connect(self.anim)

        layout = QVBoxLayout()
        layout.setAlignment(Qt.AlignmentFlag.AlignTop)
        layout.addWidget(button)
        for i in range(3):
            btn = QPushButton(f"Button {i}")
            btn.setFixedHeight(25)
            btn.setStyleSheet("background-color: blue;")
            layout.addWidget(btn)
        self.setLayout(layout)

        self.animation = QPropertyAnimation(self, b"Height")
        self.animation.setDuration(300)

    def anim(self):
        if self.isMin:
            self.animation.setStartValue(self.height())
            self.animation.setEndValue(135)
            self.isMin = False
        else:
            self.animation.setStartValue(self.height())
            self.animation.setEndValue(40)
            self.isMin = True
        self.animation.start()

    def setMinHeight(self, height):
        self.setFixedHeight(height)

    def getMinHeight(self):
        return self.height()

    Height = Property(int, getMinHeight, setMinHeight)


if __name__ == "__main__":
    app = QApplication()
    w = QMainWindow()
    w.setCentralWidget(Dropdown())
    w.show()
    app.exec()
python

1 个回答

  1. Best Answer

    小部件按照收到的顺序呈现。
    尝试更换

    layout.addWidget(button)

    在

    layout.insertWidget(0, button)

    更改您的导入并尝试：

    import sys
''' 
from PySide6.QtCore import (Qt, QPropertyAnimation,
    Property as pyqtProperty,                               # +++
    QEasingCurve)
from PySide6.QtWidgets import (QApplication,
    QMainWindow,QVBoxLayout, QPushButton, QFrame,)
'''               
from PyQt5.Qt import *


class Dropdown(QFrame):
    def __init__(self):
        super().__init__()
        
        self.isMin = False
        self.setFixedSize(300, 135)
        self.setStyleSheet("background-color: white;")

        button = QPushButton("Свернуть/развернуть")
        button.setStyleSheet("background: red;")
        button.setFixedHeight(25)
        button.clicked.connect(self.anim)

        layout = QVBoxLayout(self)                            # +++
        layout.setAlignment(Qt.AlignmentFlag.AlignTop)
        
# !!!   layout.addWidget(button)                              # --- !!!
        
        for i in range(3):
            btn = QPushButton(f"Button {i}")
            btn.setFixedHeight(25)
            btn.setStyleSheet("background-color: blue;")
            layout.addWidget(btn)
# !!! +++            
        layout.insertWidget(0, button)                        # !!! +++
            
#        self.setLayout(layout)                               # ---

        self.animation = QPropertyAnimation(self, b"Height")
        self.animation.setDuration(300)

    def anim(self):
        if self.isMin:
            self.animation.setStartValue(self.height())
            self.animation.setEndValue(135)
            self.isMin = False
        else:
            self.animation.setStartValue(self.height())
            self.animation.setEndValue(35)                    # 40
            self.isMin = True
        self.animation.start()

    def setMinHeight(self, height):
        self.setFixedHeight(height)

    def getMinHeight(self):
        return self.height()

#    Height = Property(int, getMinHeight, setMinHeight)     # PySide6
    Height = pyqtProperty(int, getMinHeight, setMinHeight)  # +++


if __name__ == "__main__":
    app = QApplication(sys.argv)
    w = QMainWindow()
    w.setCentralWidget(Dropdown())
    w.show()
    sys.exit(app.exec())

    在此输入图像描述

    在此输入图像描述

    • 1

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