Add 03-02-02-03

03-QtWidgets-常用控件/02-Button-按钮控件/02-QPushButton-普通按钮/03-QPushButton-菜单.py

@@ -0,0 +1,70 @@
+import sys
+
+from PySide6 import QtCore, QtGui, QtWidgets
+
+"""
+QPushButton 菜单
+
+可以将普通按钮添加菜单而使其成为菜单按钮，一个按钮可以实现多个功能
+建议参考：https://doc.qt.io/qt-6/qpushbutton.html#setMenu
+关于 QMenu 详细用法，请查阅本项目对应目录
+
+.setMenu(menu: QMenu)  为按钮设置菜单
+.Menu() -> QMenu       获取按钮的菜单
+.showMenu()            槽函数：打开按钮的菜单
+"""
+
+
+class MyWidget(QtWidgets.QWidget):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.setWindowTitle("QPushButton-菜单")
+        self.resize(800, 600)
+        self.setup_ui()
+
+    def setup_ui(self) -> None:
+        """设置界面"""
+        button = QtWidgets.QPushButton("菜单按钮", self)
+        button.move(350, 200)
+
+        # --------------创建并配置菜单------------------------------
+        test_menu = QtWidgets.QMenu(self)  # 创建一个菜单
+
+        new_action = QtGui.QAction("新建", test_menu)  # 创建 action
+        new_action.triggered.connect(lambda: print("新建文件"))  # type: ignore
+        exit_action = QtGui.QAction("关闭", test_menu)
+        exit_action.triggered.connect(lambda: exit())  # type: ignore
+
+        # 创建一个子菜单
+        open_url_menu = QtWidgets.QMenu("打开网页")
+        url_action_1 = QtGui.QAction("PySide6 Code Tutorial", open_url_menu)
+        url_action_2 = QtGui.QAction("muzing 的博客", open_url_menu)
+        blog_url = QtCore.QUrl("https://muzing.top")
+        project_url = QtCore.QUrl("https://github.com/muziing/PySide6-Code-Tutorial")
+        url_action_1.triggered.connect(lambda: QtGui.QDesktopServices.openUrl(project_url))  # type: ignore
+        url_action_2.triggered.connect(lambda: QtGui.QDesktopServices.openUrl(blog_url))  # type: ignore
+        open_url_menu.addAction(url_action_1)
+        open_url_menu.addAction(url_action_2)
+
+        # 将actions、子菜单、分割线添加到菜单
+        test_menu.addAction(new_action)
+        test_menu.addMenu(open_url_menu)  # 将一个菜单添加到另一个菜单中，即成为子菜单
+        test_menu.addSeparator()  # 添加分割线
+        test_menu.addAction(exit_action)
+
+        # ----------------------------------------------------------
+
+        # 为按钮设置菜单
+        button.setMenu(test_menu)
+
+        button_2 = QtWidgets.QPushButton("展开菜单", self)
+        button_2.move(350, 150)
+        # button2的点击信号连接到button的展示按钮槽
+        button_2.clicked.connect(button.showMenu)  # type: ignore
+
+
+if __name__ == "__main__":
+    app = QtWidgets.QApplication(sys.argv)
+    window = MyWidget()
+    window.show()
+    sys.exit(app.exec())