From 3bdad6d0efc01025a0c9ce2f52be09753cf3dc24 Mon Sep 17 00:00:00 2001 From: muzing Date: Sun, 26 Jun 2022 16:42:32 +0800 Subject: [PATCH] Add 03-05-06 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit QLabel-内边距、缩放 --- .../05-QLabel-标签/06-QLabel-内边距、缩放.py | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 03-QtWidgets-常用控件/05-QLabel-标签/06-QLabel-内边距、缩放.py diff --git a/03-QtWidgets-常用控件/05-QLabel-标签/06-QLabel-内边距、缩放.py b/03-QtWidgets-常用控件/05-QLabel-标签/06-QLabel-内边距、缩放.py new file mode 100644 index 0000000..66921b3 --- /dev/null +++ b/03-QtWidgets-常用控件/05-QLabel-标签/06-QLabel-内边距、缩放.py @@ -0,0 +1,47 @@ +import sys + +from PySide6 import QtGui, QtWidgets + +""" +QLabel 内边距、位图缩放 + +QLabel还可以调整内边距、启用内容缩放，以更细致地调节显示效果 + +.setMargin(int) 设置内边距（框架的最内部像素和内容的最外部像素之间的距离） +.margin() -> int 获取内边距，默认值为0 +.setScaledContents(bool) 设置是否启用缩放 +.hasScaledContents() -> bool 返回是否启用了缩放 +""" + + +class MyWidget(QtWidgets.QWidget): + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + self.setWindowTitle("QLabel-内容边距、缩放") + self.resize(800, 600) + self.setup_ui() + + def setup_ui(self) -> None: + """设置界面，测试功能""" + # 内边距 + label_1 = QtWidgets.QLabel("PySide6", self) + label_1.move(340, 100) + label_1.setStyleSheet("background-color: cyan;") + label_1.setMargin(20) # 设置边距 + print(label_1.margin()) # 获取边距 + + # 启用缩放 + label_2 = QtWidgets.QLabel(self) + label_2.resize(50, 50) + label_2.move(350, 200) + label_2.setPixmap(QtGui.QPixmap("../../Resources/Icons/OS_Ubuntu_128px.ico")) + # 该位图为128像素宽高，label2仅有50像素，如不缩放，则只能显示位图的一部分 + label_2.setScaledContents(True) # 启用内容缩放 + print(label_2.hasScaledContents()) # 获取是否开启了缩放 + + +if __name__ == "__main__": + app = QtWidgets.QApplication(sys.argv) + window = MyWidget() + window.show() + sys.exit(app.exec())