The wx.SpinCtrl widget lets us increment and decrement a value. It has two up and down arrow buttons for this purpose.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | import wxclass Example(wx.Frame): def __init__(self, *args, **kw): super(Example, self).__init__(*args, **kw) self.InitUI() def InitUI(self): pnl = wx.Panel(self) wx.StaticText(self, label='Convert Fahrenheit temperature to Celsius', pos=(20,20)) wx.StaticText(self, label='Fahrenheit: ', pos=(20, 80)) wx.StaticText(self, label='Celsius: ', pos=(20, 150)) self.celsius = wx.StaticText(self, label='', pos=(150, 150)) self.sc = wx.SpinCtrl(self, value='0', pos=(150, 75), size=(60, -1)) self.sc.SetRange(-459, 1000) btn = wx.Button(self, label='Compute', pos=(70, 230)) btn.SetFocus() cbtn = wx.Button(self, label='Close', pos=(185, 230)) btn.Bind(wx.EVT_BUTTON, self.OnCompute) cbtn.Bind(wx.EVT_BUTTON, self.OnClose) self.SetSize((350, 310)) self.SetTitle('wx.SpinCtrl') self.Centre() self.Show(True) def OnClose(self, e): self.Close(True) def OnCompute(self, e): fahr = self.sc.GetValue() cels = round((fahr - 32) * 5 / 9.0, 2) self.celsius.SetLabel(str(cels)) def main(): ex = wx.App() Example(None) ex.MainLoop() if __name__ == '__main__': main() |
