tkinter redraw rates
fronagzen at gmail.com
fronagzen at gmail.com
Wed Jul 17 07:08:15 EDT 2013
On Wednesday, July 17, 2013 6:07:22 PM UTC+8, Dave Angel wrote:
> On 07/16/2013 11:04 PM, fronagzen at gmail.com wrote:
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> > Noted on the quoting thing.
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> >
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> > Regarding the threading, well, first, I'm not so much a programmer as someone who knows a bit of how to program.
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> >
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> > And it seems that the only way to update a tkinter window is to use the .update() method, which is what I was experimenting with. Start up a new thread that just loops the .update() with a 1ms sleep until the download is done. It seems to work, actually.
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> update() is to be used when it's too awkward to return to mainloop. In
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> my second approach, you would periodically call it inside the processing
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> loop. But unless tkinter is unique among GUI's, it's unsafe to do that
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> in any thread besides the GUI thread.
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> --
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> DaveA
Ok. Well, what I'm currently doing, based on advice from this thread, is to create a new thread that handles the downloading, as well as updating a variable for text display on the GUI, and in the main thread, just after the thread is created, a while loop that updates the GUI while the thread is running.
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