[FIXED] closing qDialog (if exists) in pySide

Issue

I created a UI in designer, converted it to python using pyside-uic and then following a tutorial I did this:

from PySide import QtCore, QtGui
import mirroratorUI as customUI
#import mirroratorCore as mirroratorCore
from shiboken import wrapInstance
import maya.OpenMayaUI as omui
reload(customUI)

def maya_main_window():
    main_window_ptr = omui.MQtUtil.mainWindow()
    return wrapInstance(long(main_window_ptr), QtGui.QWidget)

class ControlMainWindow(QtGui.QDialog):

    def __init__(self, parent=None):

        super(ControlMainWindow, self).__init__(parent)
        self.setWindowFlags(QtCore.Qt.Tool)
        self.ui =  customUI.Ui_MainWindow()
        self.ui.setupUi(self)

myWin = ControlMainWindow(parent=maya_main_window())
myWin.show()

The UI will be used into Maya, and it appears, but if I open it 3 times, I will have 3 dialgos. I remember there is a way to check if the dialog already exists, and if it does, deleting it. I found some info on google but I either didn't understand how to sue those info or they were not fit to my case...

Many thanks for your help, Daniele

Solution

Please try the below code.

global myWin
try:
    myWin.close()
except:
    pass

myWin = ControlMainWindow(parent=maya_main_window())
myWin.show()

The above code just finds out whether the windows exists and if it exists it will close and creates the window as usual.

Answered By - Sudeepth Patinjarayil