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Code: Alles auswählen

import sys
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QIcon, QPalette, QColor
from PyQt5.QtWidgets import (QMainWindow, QApplication, QVBoxLayout,
	QAction)


class tooldemo(QMainWindow):
	def __init__(self, parent = None):
		super(tooldemo, self).__init__(parent)
		layout = QVBoxLayout()
		tb = self.addToolBar("File")

		new = QAction(QIcon("new.bmp"),"new",self)
		tb.addAction(new)

		open = QAction(QIcon("open.bmp"),"open",self)
		tb.addAction(open)
		save = QAction(QIcon("save.bmp"),"save",self)
		tb.addAction(save)
		tb.actionTriggered[QAction].connect(self.toolbtnpressed)
		self.setLayout(layout)
		self.setWindowTitle("toolbar demo")

	def toolbtnpressed(self, a):
		print("pressed tool button is", a.text())

def main():
	app = QApplication(sys.argv)
	ex = tooldemo()
	ex.show()
	sys.exit(app.exec_())

if __name__ == '__main__':
	main()

Code: Alles auswählen

from PyQt5 import QtWidgets, QtCore, QtGui

class Window(QtWidgets.QMainWindow):

    def __init__(self):
        super(Window, self).__init__()
        self.setGeometry(50, 50, 500, 300)

        mainMenu = self.menuBar()
        mainMenu.setNativeMenuBar(False)
        self.fileMenu = mainMenu.addMenu('Menu1')

        action1     = QtWidgets.QWidgetAction(self)
        self.label1 = QtWidgets.QLabel("action1")
        action1.setDefaultWidget(self.label1);
        action1.setText('action1')

        action2      = QtWidgets.QWidgetAction(self)
        self.label2  = QtWidgets.QLabel("action2")
        action2.setDefaultWidget(self.label2);
        action2.setText('action2')

        action3      = QtWidgets.QWidgetAction(self)
        self.label3  = QtWidgets.QLabel("action3")
        action3.setDefaultWidget(self.label3);
        action3.setText('action3')

        self.fileMenu.addAction(action1)
        self.fileMenu.addAction(action2)
        self.fileMenu.addAction(action3)

        self.fileMenu.triggered.connect(self.print_stuff)        # +++

    def print_stuff(self, q):
        print('whatever->', q.text() )
        self.label1.setStyleSheet("""
            QLabel { background-color : #ABABAB; padding: 10px 12px 10px 12px;}
            QLabel:hover { background-color: #654321;}
            """)
        self.label2.setStyleSheet("""
            QLabel { background-color : #ABABAB; padding: 10px 12px 10px 12px;}
            QLabel:hover { background-color: #654321;}
            """)
        self.label3.setStyleSheet("""
            QLabel { background-color : #ABABAB; padding: 10px 12px 10px 12px;}
            QLabel:hover { background-color: #654321;}
            """)

        if q.text() == 'action1':
            self.label1.setStyleSheet("""
                QLabel { background-color : red; padding: 10px 12px 10px 12px;}
                QLabel:hover { background-color: #C10000;}
                """)
        elif q.text() == 'action2':
            self.label2.setStyleSheet("""
                QLabel { background-color : red; padding: 10px 12px 10px 12px;}
                QLabel:hover { background-color: #C10000;}
                """)
        elif q.text() == 'action3':
            self.label3.setStyleSheet("""
                QLabel { background-color : red; padding: 10px 12px 10px 12px;}
                QLabel:hover { background-color: #C10000;}
                """)


qss = """
QMenuBar {
    background-color: qlineargradient(x1:0, y1:0, x2:0, y2:1,
                                      stop:0 lightgray, stop:1 darkgray);
}
QMenuBar::item {
    spacing: 3px;
    padding: 2px 10px;
    background-color: rgb(210,105,30);
    color: rgb(255,255,255);
    border-radius: 5px;
}
QMenuBar::item:selected {
    background-color: rgb(244,164,96);
}
QMenuBar::item:pressed {
    background: rgb(128,0,0);
}

QLabel {
    background-color: #ABABAB;
    color: rgb(255,255,255);
    font: 12px;
    padding: 10px 12px 10px 12px;
}
QLabel:hover {
    background-color: #654321;
}
"""

def run():
    app = QtWidgets.QApplication([])
    app.setStyleSheet(qss)                                   # <---
    application = Window()
    application.show()
    app.exec_()

run()