import wx

class ValamiDialog(wx.Dialog):
    def __init__(self, parent, title):
        super(ValamiDialog, self).__init__(parent, title=title, size=(300, 400))

        rootSizer = wx.BoxSizer(wx.VERTICAL)

        rootSizer.Add(
                wx.TextCtrl(self, -1, "Szöveg",
                wx.DefaultPosition,
                wx.Size(100, 50),
                wx.TE_MULTILINE),
                1,
                wx.EXPAND |
                wx.ALL,
                10)

        button_sizer = wx.BoxSizer(wx.HORIZONTAL)
        button_sizer.Add(
                wx.Button(self, wx.ID_OK, "OK"),
                0,
                wx.ALL,
                10)
        button_sizer.Add(
                wx.Button(self, wx.ID_CANCEL, "Mégsem"),
                0,
                wx.ALL,
                10)

        rootSizer.Add(
                button_sizer,
                0,
                wx.ALIGN_CENTER)

        self.SetSizerAndFit(rootSizer)


class MainFrame(wx.Frame):
    def __init__(self, parent, title):
        super(MainFrame, self).__init__(parent, title=title)

        dialog = ValamiDialog(self, 'Felirat')
        dialog.Show()

class SimpleApp(wx.App):
    def OnInit(self):
        frame = MainFrame(None, 'Párbeszéd')
        frame.Show()
        return True

if __name__ == "__main__":
    app = SimpleApp()
    app.MainLoop()