仿QQ右键菜单

QMenu/QQMenu.py

@@ -0,0 +1,129 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+Created on 2021/4/7
+@author: Irony
+@site: https://github.com/PyQt5
+@email: 892768447@qq.com
+@file: QQMenu
+@description: 
+"""
+import string
+from random import choice, randint
+
+from PyQt5.QtCore import Qt
+from PyQt5.QtGui import QPixmap, QPainter, QFont, QIcon
+from PyQt5.QtWidgets import QLabel, QMenu, QApplication
+
+Style = """
+QMenu {
+    /* 半透明效果 */
+    background-color: rgba(255, 255, 255, 230);
+    border: none;
+    border-radius: 4px;
+}
+
+QMenu::item {
+    border-radius: 4px;
+    /* 这个距离很麻烦需要根据菜单的长度和图标等因素微调 */
+    padding: 8px 48px 8px 36px; /* 36px是文字距离左侧距离*/
+    background-color: transparent;
+}
+
+/* 鼠标悬停和按下效果 */
+QMenu::item:selected {
+    border-radius: 0px;
+    /* 半透明效果 */
+    background-color: rgba(232, 232, 232, 232);
+}
+
+/* 禁用效果 */
+QMenu::item:disabled {
+    background-color: transparent;
+}
+
+/* 图标距离左侧距离 */
+QMenu::icon {
+    left: 15px;
+}
+
+/* 分割线效果 */
+QMenu::separator {
+    height: 1px;
+    background-color: rgb(232, 236, 243);
+}
+"""
+
+
+def get_icon():
+    # 测试模拟图标
+    pixmap = QPixmap(16, 16)
+    pixmap.fill(Qt.transparent)
+    painter = QPainter()
+    painter.begin(pixmap)
+    painter.setFont(QFont('Webdings', 11))
+    painter.setPen(Qt.GlobalColor(randint(4, 18)))
+    painter.drawText(0, 0, 16, 16, Qt.AlignCenter,
+                     choice(string.ascii_letters))
+    painter.end()
+    return QIcon(pixmap)
+
+
+def about_qt():
+    # 关于Qt
+    QApplication.instance().aboutQt()
+
+
+class Window(QLabel):
+
+    def __init__(self, *args, **kwargs):
+        super(Window, self).__init__(*args, **kwargs)
+        self.resize(400, 400)
+        self.setAlignment(Qt.AlignCenter)
+        self.setText('右键弹出菜单')
+        self.context_menu = QMenu(self)
+        self.init_menu()
+
+    def contextMenuEvent(self, event):
+        self.context_menu.exec_(event.globalPos())
+
+    def init_menu(self):
+        # 背景透明
+        self.context_menu.setAttribute(Qt.WA_TranslucentBackground)
+        # 无边框、去掉自带阴影
+        self.context_menu.setWindowFlags(
+            self.context_menu.windowFlags() | Qt.FramelessWindowHint | Qt.NoDropShadowWindowHint)
+
+        # 模拟菜单项
+        for i in range(10):
+            if i % 2 == 0:
+                action = self.context_menu.addAction('菜单 %d' % i, about_qt)
+                action.setEnabled(i % 4)
+            elif i % 3 == 0:
+                self.context_menu.addAction(get_icon(), '菜单 %d' % i, about_qt)
+            if i % 4 == 0:
+                self.context_menu.addSeparator()
+            if i % 5 == 0:
+                # 二级菜单
+                # 二级菜单
+                menu = QMenu('二级菜单 %d' % i, self.context_menu)
+                # 背景透明
+                menu.setAttribute(Qt.WA_TranslucentBackground)
+                # 无边框、去掉自带阴影
+                menu.setWindowFlags(menu.windowFlags() | Qt.FramelessWindowHint | Qt.NoDropShadowWindowHint)
+                for j in range(3):
+                    menu.addAction(get_icon(), '子菜单 %d' % j)
+                self.context_menu.addMenu(menu)
+
+
+if __name__ == '__main__':
+    import sys
+    import cgitb
+
+    cgitb.enable(1, None, 5, '')
+    app = QApplication(sys.argv)
+    app.setStyleSheet(Style)
+    w = Window()
+    w.show()
+    sys.exit(app.exec_())

QMenu/README.md

@@ -2,6 +2,7 @@
 
 - 目录
   - [菜单设置多选并且不关闭](#1菜单设置多选并且不关闭)
+  - [仿QQ右键菜单](#2仿QQ右键菜单)
 
 ## 1、菜单设置多选并且不关闭
 [运行 MultiSelect.py](MultiSelect.py)
@@ -36,3 +37,8 @@ def _menu_mouseReleaseEvent(self, event):
 ```
 
 ![MultiSelect](ScreenShot/MultiSelect.gif)
+
+## 2、仿QQ右键菜单
+[运行 QQMenu.py](QQMenu.py)
+
+![QQMenu](ScreenShot/QQMenu.gif)

README.md

@@ -208,6 +208,7 @@ https://pyqt.site 论坛是专门针对PyQt5学习和提升开设的网站，分
     - [加载自定义字体](QFont/AwesomeFont.py)
   - [QMenu](QMenu)
     - [菜单设置多选并且不关闭](QMenu/MultiSelect.py)
+    - [仿QQ右键菜单](QMenu/QQMenu.py)
     - [悬停菜单](Test/partner_625781186/5.hoverMenu)
   - [QAxWidget](QAxWidget)
     - [显示Word、Excel、PDF文件](QAxWidget/ViewOffice.py)