RE: re drawing question

You could possibly consider any of:

  *   using a virtual desktop of your maximum size,
  *   on the first call to Fill_Board using a random number generator to create a seed that you then re-use on each subsequent call
  *   using a pseudo-random function that produces consistent results
The first option will slow down your first draw but will speed up all refreshes.

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From: Phil<mailto:[email protected]>
Sent: 01 November 2020 07:22
To: [email protected]<mailto:[email protected]>
Subject: Re: [wxPython-users] re drawing question

On 1/11/20 4:50 pm, Tim Roberts wrote:
> What’s the point of one-time-only drawing? If your app gets covered by
> another application or a menu or a system dialog, how do you think
> that part of your window will get redrawn? Your onPaint handler needs
> to be able to recreate the entire window to reflect your current state.
> As a general rule, your mainline code should update variables and lists, and then call Refresh to trigger a call to onPaint to do the drawing.

OK Tim, I see your point. I'll have to rethink the logic of what I'm
trying to achieve.

Fill_Board() creates a grid of randomly coloured squares. As it stands,
resizing the window will recreate the board but with a different set of
randomly coloured squares which is not what I want. The creation of the
randomly coloured squares should be a one-time action and that's where a
boolean one-time variable should take control. It seems clumsy to me at
the moment, maybe the idea just needs some refining.

--

Regards,
Phil

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