On Sat, Sep 20, 2008 at 4:10 PM, dmitrey <dm*******@ukr. netwrote:
>
hi all,
I have the problem:
a func has been binded to a Button:
RunPause = Button(root, textvariable = t, command = lambda:
invokeRunPause( p))
def invokeRunPause( p):
if p.state == 'init':
p.state = 'running'
t.set(' Pause ')
p.GUI_root.upda te_idletasks()
p.tmp_result = p.solve(*p._arg s, **p._kwargs)
elif p.state == 'running':
....
So the problem is that I can't invoke the button RunPause till my
calculations (in p.solve()) will be finished. I can observe it even
graphically, the button doesn't respond when it is pressed.
Could anyone provide a solution?
It is not only the button that doesn't respond, the entire application
won't respond if you are blocking tcl from processing anything. This
call to p.solve blocks, and, in turn the interpreter can't process
events and the GUI remains frozen till p.solve returns.
Ideally you should break this p.solve in steps, so you can schedule
next steps and the GUI will remain responsible, but if you can't break
it, and if it doesn't make sense to run it in another process then you
use a thread to solve this.
>
Thank you ion advance, Dmitrey.
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