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69 lines
2.7 KiB
Python
69 lines
2.7 KiB
Python
import sys
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from PySide6 import QtGui, QtWidgets
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from PySide6.QtCore import Qt
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"""
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QAbstractScrollArea 滚动条控件、角落控件
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作为一个复合控件，QAbstractScrollArea 可以单独设置和获取其中的水平滚动条、
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垂直滚动条、位于两个滚动条之间的角落控件
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QScrollBar 官方文档：https://doc.qt.io/qtforpython/PySide6/QtWidgets/QScrollBar.html
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.setHorizontalScrollBar(scrollbar: QScrollBar) 设置水平滚动条
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.setVerticalScrollBar(scrollbar: QScrollbar) 设置垂直滚动条
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.horizontalScrollBar() -> QScrollBar 获取水平滚动条
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.verticalScrollBar() -> QScrollBar 获取垂直滚动条
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.addScrollBarWidget(widget: QWidget, alignment: Qt.Alignment) 在指定的对齐方式的位置添加控件作为滚动条控件
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.scrollBarWidgets(alignment: Qt.Alignment) -> List[QWidget] 返回当前设置的滚动条控件的列表
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.setCornerWidget(widget: QWidget) 设置角落控件
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.cornerWidget() -> QWidget 获取角落控件
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"""
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class Window(QtWidgets.QScrollArea):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.setWindowTitle("QAbstractScrollArea-滚动条与角落控件")
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self.resize(800, 600)
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self.setup_ui()
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self.test_01()
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self.test_02()
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def setup_ui(self) -> None:
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"""设置界面"""
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self.resize(600, 400)
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self.move(100, 100)
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self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
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self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
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image_label = QtWidgets.QLabel(self)
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image_label.setPixmap(QtGui.QPixmap("../../Resources/Images/Python-code.jpg"))
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self.setWidget(image_label)
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def test_01(self) -> None:
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"""测试设置滚动条功能"""
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scrollbar = QtWidgets.QScrollBar(self) # 创建自己的进度条控件
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self.setVerticalScrollBar(scrollbar) # 将该进度条控件设置给self
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hsb = self.horizontalScrollBar() # 获取水平进度条
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hsb.setValue(500) # 设置位置为100（默认为0）
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def test_02(self) -> None:
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"""测试设置角落控件功能"""
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label = QtWidgets.QLabel(self)
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label.setPixmap(QtGui.QPixmap("../../Resources/Icons/Python_128px.png"))
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label.setScaledContents(True)
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self.setCornerWidget(label) # 水平滚动条与垂直滚动条之间的角落显示该图标
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print(self.cornerWidget()) # 获取角落控件
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if __name__ == "__main__":
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app = QtWidgets.QApplication(sys.argv)
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window = Window()
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window.show()
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sys.exit(app.exec())
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