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