event + button click

[Rudi Hammad]

Hello

I am trying to have a button that print "a" if the button is clicked while holding shift, and "b" while holding control.

This is what I have done (since it is not too long I've attached it here)

from PySide2 import QtWidgets, QtCore, QtGui

class XX(QtWidgets.QPushButton):

    def __init__(self):
        super(XX, self).__init__()
        self.setText("myCustomBtn")

    def keyPressEvent(self, event):
        if event.type() == QtCore.QEvent.KeyPress and self.isDown():
            if event.key() == QtCore.Qt.Key_Shift:
                print "a"
            if event.key() == QtCore.Qt.Key_Control and self.isDown():
                print "b"
       
        return QtCore.QObject.event(self, event)

x = XX()
x.show()

This kind of works but only if you click and keep the button down and the press a key y does what I want. Obviosly this is not what I want.

Any suggestions?

thanks

R

[Marcus Ottosson]

Try getting the modifier state from here.

• https://doc.qt.io/qt-5/qguiapplication.html#keyboardModifiers

modifiers = QtWidgets.QApplication.keyboardModifiers()

if modifiers & QtCore.Qt.ControlModifier:
  print("Ctrl was held")

if modifiers & QtCore.Qt.ShiftModifier:
  print("Shift was held")

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[Rudi Hammad]

thanks marcus, that did it.

[Rudi Hammad]

aahh,  of course more platform related fun:

>> Note: On macOS, the ControlModifier value corresponds to the Command keys on the keyboard

At the end I guess I will have to install a mac virtual machine.