def run_gui(statfile=None):
    # Always start by initializing Qt (only once per application)
    warnings.filterwarnings("ignore")
    app = QtGui.QApplication(sys.argv)
    import suite2p
    s2ppath = os.path.dirname(os.path.realpath(suite2p.__file__))
    icon_path = os.path.join(s2ppath, "logo","logo.png"
    )
    app_icon = QtGui.QIcon()
    app_icon.addFile(icon_path, QtCore.QSize(16, 16))
    app_icon.addFile(icon_path, QtCore.QSize(24, 24))
    app_icon.addFile(icon_path, QtCore.QSize(32, 32))
    app_icon.addFile(icon_path, QtCore.QSize(48, 48))
    app_icon.addFile(icon_path, QtCore.QSize(64, 64))
    app_icon.addFile(icon_path, QtCore.QSize(256, 256))
    app.setWindowIcon(app_icon)
    GUI = MainWindow(statfile=statfile)
    ret = app.exec_()
    # GUI.save_gui_data()
    sys.exit(ret)


# run() 

def tabbed_qt4_window(self):
        from PyQt4 import QtGui
        from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg, NavigationToolbar2QT
        # mpl backend can already create instance
        # https://stackoverflow.com/a/40031190
        app = QtGui.QApplication.instance()
        if app is None:
            app = QtGui.QApplication([self.title])
        self.root_window = QtGui.QTabWidget()
        self.root_window.setWindowTitle(self.title)
        for name, fig in self.figures.items():
            tab = QtGui.QWidget(self.root_window)
            tab.canvas = FigureCanvasQTAgg(fig)
            vbox = QtGui.QVBoxLayout(tab)
            vbox.addWidget(tab.canvas)
            toolbar = NavigationToolbar2QT(tab.canvas, tab)
            vbox.addWidget(toolbar)
            tab.setLayout(vbox)
            for axes in fig.get_axes():
                if isinstance(axes, Axes3D):
                    # must explicitly allow mouse dragging for 3D plots
                    axes.mouse_init()
            self.root_window.addTab(tab, name)
        self.root_window.show()
        app.exec_() 

def tabbed_qt5_window(self):
        from PyQt5 import QtGui, QtWidgets
        from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg, NavigationToolbar2QT
        # mpl backend can already create instance
        # https://stackoverflow.com/a/40031190
        app = QtGui.QGuiApplication.instance()
        if app is None:
            app = QtWidgets.QApplication([self.title])
        self.root_window = QtWidgets.QTabWidget()
        self.root_window.setWindowTitle(self.title)
        for name, fig in self.figures.items():
            tab = QtWidgets.QWidget(self.root_window)
            tab.canvas = FigureCanvasQTAgg(fig)
            vbox = QtWidgets.QVBoxLayout(tab)
            vbox.addWidget(tab.canvas)
            toolbar = NavigationToolbar2QT(tab.canvas, tab)
            vbox.addWidget(toolbar)
            tab.setLayout(vbox)
            for axes in fig.get_axes():
                if isinstance(axes, Axes3D):
                    # must explicitly allow mouse dragging for 3D plots
                    axes.mouse_init()
            self.root_window.addTab(tab, name)
        self.root_window.show()
        app.exec_() 

def tabbed_qt4_window(self):
        from PyQt4 import QtGui
        from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg, NavigationToolbar2QT
        # mpl backend can already create instance
        # https://stackoverflow.com/a/40031190
        app = QtGui.QApplication.instance()
        if app is None:
            app = QtGui.QApplication([self.title])
        self.root_window = QtGui.QTabWidget()
        self.root_window.setWindowTitle(self.title)
        for name, fig in self.figures.items():
            tab = QtGui.QWidget(self.root_window)
            tab.canvas = FigureCanvasQTAgg(fig)
            vbox = QtGui.QVBoxLayout(tab)
            vbox.addWidget(tab.canvas)
            toolbar = NavigationToolbar2QT(tab.canvas, tab)
            vbox.addWidget(toolbar)
            tab.setLayout(vbox)
            for axes in fig.get_axes():
                if isinstance(axes, Axes3D):
                    # must explicitly allow mouse dragging for 3D plots
                    axes.mouse_init()
            self.root_window.addTab(tab, name)
        self.root_window.show()
        app.exec_() 

def tabbed_qt5_window(self):
        from PyQt5 import QtGui, QtWidgets
        from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg, NavigationToolbar2QT
        # mpl backend can already create instance
        # https://stackoverflow.com/a/40031190
        app = QtGui.QGuiApplication.instance()
        if app is None:
            app = QtWidgets.QApplication([self.title])
        self.root_window = QtWidgets.QTabWidget()
        self.root_window.setWindowTitle(self.title)
        for name, fig in self.figures.items():
            tab = QtWidgets.QWidget(self.root_window)
            tab.canvas = FigureCanvasQTAgg(fig)
            vbox = QtWidgets.QVBoxLayout(tab)
            vbox.addWidget(tab.canvas)
            toolbar = NavigationToolbar2QT(tab.canvas, tab)
            vbox.addWidget(toolbar)
            tab.setLayout(vbox)
            for axes in fig.get_axes():
                if isinstance(axes, Axes3D):
                    # must explicitly allow mouse dragging for 3D plots
                    axes.mouse_init()
            self.root_window.addTab(tab, name)
        self.root_window.show()
        app.exec_() 

def qWait(msec):
                start = time.time()
                QtGui.QApplication.processEvents()
                while time.time() < start + msec * 0.001:
                    QtGui.QApplication.processEvents() 

def mkQApp():
    global QAPP
    if QtGui.QApplication.instance() is None:
        QAPP = QtGui.QApplication([])
    return QAPP 

def __init__(self, argv=sys.argv):
        freeze_support()
        self._args = self._init_logger()
        self._app = QtGui.QApplication(argv) 

def get_QApplication():
    """QApplication getter."""

    try:
        import PySide.QtGui as QtGui
        return QtGui.QApplication
    except ImportError:
        import PyQt5.QtWidgets as QtWidgets
        return QtWidgets.QApplication 

def _move_to_center(self):
        """Move the application window in the center of the screen."""
        desktop = QtGui.QApplication.desktop()
        x = (desktop.width() - self.width()) / 2
        y = (desktop.height() - self.height()) / 2
        self.move(x, y) 

def main(debug=False):
    app = QtGui.QApplication.instance()
    if app is None:
        app = QtGui.QApplication([])
    app.setApplicationName(title)
    app.setApplicationVersion(version)

    window = MainWindow()
    window.show()

    if debug:
        window.main_widget.plot_test_data()

    sys.exit(app.exec_()) 

def qWait(msec):
                start = time.time()
                QtGui.QApplication.processEvents()
                while time.time() < start + msec * 0.001:
                    QtGui.QApplication.processEvents() 

def qWait(msec):
                start = time.time()
                QtGui.QApplication.processEvents()
                while time.time() < start + msec * 0.001:
                    QtGui.QApplication.processEvents()