Solution:
Replace:
`self.d = CustomDialog(self)`
with:
`self.d = CustomDialog()`
Then, using Qt.WindowModal won't anchor the dialog to its parent window,
since it doesn't have a parent window.
Efrem Braun
On Tuesday, February 9, 2021 at 11:09:28 AM UTC-5 Efrem Braun wrote:
> Update:
>
> Apparently the pyqtgraph context menu only gets blocked on a Mac. When I
> run the working example using `Qt.ApplicationModal` on my Ubuntu OS, I can
> access the context menu. Still trying to figure out how to fix this issue
> on a Mac...
>
> Efrem Braun
>
> On Monday, February 8, 2021 at 11:56:14 PM UTC-5 Efrem Braun wrote:
>
>> I have an application which has a pyqtgraph instance in a dialog box. I
>> want this dialog box to be modal (I don't want the user to be able to
>> interact with the main window while the dialog box is open), so normally I
>> would set `setWindowModality()` to `Qt.ApplicationModal`. However, this
>> blocks the pyqtgraph's context menu from being accessible (I can right
>> click on the pyqtgraph instance, and it shows me the context menu, but I'm
>> not allowed to click on it).
>>
>> I tried instead to set `setWindowModality()` to `Qt.WindowModal`.
>> However, this locks the dialog box to the main window, which I don't like
>> (I want the user to be able to see the main window while interacting with
>> the dialog box).
>>
>> Is there anyway to either:
>> 1. Use `setWindowModality(Qt.ApplicationModal)` but not block the
>> pyqtgraph context menu?
>> or
>> 2. Use `setWindowModality(Qt.WindowModal)` but be able to undock the
>> dialog box?
>>
>> A minimal working example showing the behavior is below. You can see the
>> 3 behaviors that result when setting the window modality to
>> Qt.ApplicationModal, Qt.WindowModal, and Qt.NonModal.
>>
>> ```
>> from PySide2.QtWidgets import *
>> from PySide2.QtGui import *
>> from PySide2.QtCore import *
>>
>> import pyqtgraph as pg
>>
>> class MainWindow(QMainWindow):
>> def __init__(self, *args, **kwargs):
>> super(MainWindow, self).__init__(*args, **kwargs)
>> b = QPushButton()
>> b.setText("Open dialog")
>> self.setCentralWidget(b)
>> b.clicked.connect(self.showdialog)
>>
>> def showdialog(self):
>> self.d = CustomDialog(self)
>>
>> # # not modal
>> # self.d.setWindowModality(Qt.NonModal)
>> # self.d.show()
>>
>> # location can't be moved
>> self.d.setWindowModality(Qt.WindowModal)
>> self.d.exec_()
>>
>> # # blocks context menu
>> # self.d.setWindowModality(Qt.ApplicationModal)
>> # self.d.exec_()
>>
>>
>> class CustomDialog(QDialog):
>> def __init__(self, *args, **kwargs):
>> super(CustomDialog, self).__init__(*args, **kwargs)
>>
>> buttons = QDialogButtonBox.Cancel
>> self.buttonBox = QDialogButtonBox(buttons)
>> self.buttonBox.rejected.connect(self.reject)
>> self.layout = QVBoxLayout()
>> self.layout.addWidget(pg.PlotWidget(self))
>> self.layout.addWidget(self.buttonBox)
>> self.setLayout(self.layout)
>>
>>
>> if __name__ == '__main__':
>> app = QApplication(sys.argv)
>> window = MainWindow()
>> window.show()
>> sys.exit(app.exec_())
>> ```
>>
>> Thank you.
>>
>> Efrem Braun
>>
>
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