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gui_ex.py
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1## \file
2## \ingroup tutorial_pyroot
3## A Simple GUI Example
4##
5## \macro_code
6##
7## \author Wim Lavrijsen
8
9import os, sys, ROOT
10
11def pygaus( x, par ):
12 import math
13 if (par[2] != 0.0):
14 arg1 = (x[0]-par[1])/par[2]
15 arg2 = (0.01*0.39894228)/par[2]
16 arg3 = par[0]/(1+par[3])
17
18 gauss = arg3*arg2*math.exp(-0.5*arg1*arg1)
19 else:
20 print 'returning 0'
21 gauss = 0.
22 return gauss
23
24tpygaus = ROOT.TF1( 'pygaus', pygaus, -4, 4, 4 )
25tpygaus.SetParameters( 1., 0., 1. )
26
27def MyDraw():
28 btn = ROOT.BindObject( ROOT.gTQSender, ROOT.TGTextButton )
29 if btn.WidgetId() == 10:
30 global tpygaus, window
31 tpygaus.Draw()
32 ROOT.gPad.Update()
33
34m = ROOT.TPyDispatcher( MyDraw )
35
36
37class pMainFrame( ROOT.TGMainFrame ):
38 def __init__( self, parent, width, height ):
39 ROOT.TGMainFrame.__init__( self, parent, width, height )
40
41 self.Canvas = ROOT.TRootEmbeddedCanvas( 'Canvas', self, 200, 200 )
42 self.AddFrame( self.Canvas, ROOT.TGLayoutHints() )
43 self.ButtonsFrame = ROOT.TGHorizontalFrame( self, 200, 40 )
44
45 self.DrawButton = ROOT.TGTextButton( self.ButtonsFrame, '&Draw', 10 )
46 self.DrawButton.Connect( 'Clicked()', "TPyDispatcher", m, 'Dispatch()' )
47 self.ButtonsFrame.AddFrame( self.DrawButton, ROOT.TGLayoutHints() )
48
49 self.ExitButton = ROOT.TGTextButton( self.ButtonsFrame, '&Exit', 20 )
50 self.ExitButton.SetCommand( 'TPython::Exec( "raise SystemExit" )' )
51 self.ButtonsFrame.AddFrame( self.ExitButton, ROOT.TGLayoutHints() )
52
53 self.AddFrame( self.ButtonsFrame, ROOT.TGLayoutHints() )
54
55 self.SetWindowName( 'My first GUI' )
56 self.MapSubwindows()
57 self.Resize( self.GetDefaultSize() )
58 self.MapWindow()
59
60 def __del__(self):
61 self.Cleanup()
62
63
64if __name__ == '__main__':
65 window = pMainFrame( ROOT.gClient.GetRoot(), 200, 200 )