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17 lines
608 B
Plaintext
17 lines
608 B
Plaintext
- think about the statusbar/multithreading.
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Three shared TVars:
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windowTitle :: TVar String
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workspace :: TVar Int
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statusText :: TVar String
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Three threads:
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Main thread, handles all of the events that it handles now. When
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necessary, it writes to workspace or windowTitle
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Status IO thread, the algorithm is something like this:
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forever $ do
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s <- getLine
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atomic (writeTVar statusText s)
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Statusbar drawing thread, waits for changes in all three TVars, and
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redraws whenever it finds a change.
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