Add 03-05-08

QLabel-信号

03-QtWidgets-常用控件/05-QLabel-标签/08-QLabel-信号.py

@@ -0,0 +1,53 @@
+import sys
+
+from PySide6 import QtWidgets
+from PySide6.QtCore import Qt
+
+"""
+QLabel 信号
+
+QLabel的可用信号只有链接被悬停、链接被点击两种，具体如下
+
+.linkActivated(link: str)    当用户点击链接时发射此信号，将链接作为参数传出
+.linkHovered(link: str)      当用户的光标置于链接之上时发射此信号，将链接作为参数传出
+
+"""
+
+
+class MyWidget(QtWidgets.QWidget):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.setWindowTitle("QLabel-信号")
+        self.resize(800, 600)
+        self.label_1 = QtWidgets.QLabel(self)
+        self.label_2 = QtWidgets.QLabel(self)
+        self.setup_ui()
+        self.test_01()
+
+    def setup_ui(self) -> None:
+        """设置界面"""
+        label_1 = self.label_1
+        label_1.move(320, 200)
+        label_1.setText(
+            "<a href='https://github.com/muziing/PySide6-Code-Tutorial'>PySide6 Code Tutorial</a>"
+        )
+
+        label_2 = self.label_2
+        label_2.move(320, 240)
+        label_2.setText("[muzing的博客](https://muzing.top)")
+        label_2.setTextFormat(Qt.MarkdownText)
+
+    def test_01(self) -> None:
+        """测试QLabel信号"""
+        self.label_1.linkHovered.connect(lambda val: print(val))  # type: ignore
+        self.label_2.linkHovered.connect(lambda val: print(val))  # type: ignore
+
+        self.label_1.linkActivated.connect(lambda val: print(val))  # type: ignore
+        self.label_2.linkActivated.connect(lambda val: print(val))  # type: ignore
+
+
+if __name__ == "__main__":
+    app = QtWidgets.QApplication(sys.argv)
+    window = MyWidget()
+    window.show()
+    sys.exit(app.exec())