add a comment about async code and TK
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10
main.go
10
main.go
@@ -194,6 +194,16 @@ func moveSelectInFileList(target int) {
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}
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}
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// TODO: by default, the event callback loop in TK is fully synchronous;
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// each event only arrives after the previous event has finished processing.
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// I'd like to make it so that multiple arrow presses cancel the in-flight
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// image update, but because the TK renderer is running with [LockOSThread],
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// just injecting goroutines willy-nilly results in horrible crashes.
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// Supporting async handling would require plumbing channels throughout
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// the render handler and making sure the main goroutine is the one that
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// exclusively touches the TK API.
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//
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// [LockOSThread]: https://go.dev/wiki/LockOSThread
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func keyPress(e *tk.Event) {
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curr := directoryState.i
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switch e.Keysym {
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