import wx
 
class MainFrame(wx.Frame):
    def __init__(self, parent):
        super(MainFrame, self).__init__(parent)
        self.text1 = wx.TextCtrl(self)
        self.text2 = wx.TextCtrl(self)
        self.button1 = wx.Button(self, label="Egyik")
        self.button2 = wx.Button(self, label="Másik")
        self.button3 = wx.Button(self, label="Harmadik")
        
        self.DoLayout()
        
    def DoLayout(self):
        vbox1 = wx.BoxSizer(wx.VERTICAL)
        hbox1 = wx.BoxSizer(wx.HORIZONTAL)
        hbox2 = wx.BoxSizer(wx.HORIZONTAL)
             
        vbox1.Add(hbox1)
        vbox1.Add(hbox2)
        vbox1.Add(self.button3)
        hbox1.Add(self.text1)
        hbox1.Add(self.button1)
        hbox2.Add(self.text2)
        hbox2.Add(self.button2)
        
        self.SetSizer(vbox1)
        self.Layout()

    def OnClickButton(self, event):
        self.text.SetValue("42")


class ButtonApp(wx.App):
    def OnInit(self):
        frame = MainFrame(None)
        frame.Show()
        return True
 
app = ButtonApp()
app.MainLoop()