Custom event with wxPython

wxcustom_event.py

import wx
import wx.lib.newevent

BbClickEvent, EVT_BB_CLICK = wx.lib.newevent.NewCommandEvent()

BbClickEvent = wx.NewEventType()
EVT_BB_CLICK = wx.PyEventBinder(BbClickEvent, 0)


########################################################################
class MyCustomEvent(wx.PyCommandEvent):
    eventType = BbClickEvent
    def __init__(self, windowID, obj):
        wx.PyCommandEvent.__init__(self, self.eventType, windowID)
        self.SetEventObject(obj)


class TestFrame(wx.Frame):

    def __init__(self):

        # build the window
        wx.Frame.__init__(self, None, -1, "TestFrame", size=(300, 400))

        self.scrollWin = wx.PyScrolledWindow( self, -1 )
        self.scrollWin.Bind(wx.EVT_LEFT_UP, self.onMouseUp)

        x = 20
        y = 20
        for i in range(5):

            # add labels
            stTxt = wx.StaticText(self.scrollWin, -1, "item #{}".format(i), pos=(x, y) )
            _, h = stTxt.GetSize()
            dy = h + 10
            y += dy

            # set events
            stTxt.Bind(wx.EVT_LEFT_UP, self.onMouseUp)
            stTxt.Bind(EVT_BB_CLICK, self.onClick)

        # configure scrollbars
        self.scrollWin.SetScrollbars( 0, dy,  0, y/dy+1 )
        self.scrollWin.SetScrollRate( 1, 1 )      # Pixels per scroll increment

    def onClick(self, evt):
        print('onClick', evt.GetEventObject())

    def onMouseUp(self, evt):
        obj = evt.GetEventObject()
        print('onMouseUp', obj)
        wx.PostEvent(obj.GetEventHandler(), MyCustomEvent(obj.GetId(), obj))


if __name__ == '__main__':

    test_app = wx.App(redirect=False)

    myAppFrame = TestFrame()
    myAppFrame.Show()

    test_app.MainLoop()