Saturday, 13th September 2025
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Weird case of click drag not doing the expected thing
Tilps
Kwon-Tom Obsessive
Puzzles: 7016
Best Total: 18m 37s
Posted - 2025.09.06 05:07:14
I thought maybe this was a problem with variations puzzles, but I've found it exists in both so I'm posting here.

My understanding of the mouse logic is the following.
Click cycles (empty, filled, excluded)
Shift-click reverse cycles (empty, excluded, filled)
In either case, following up with a drag continues to apply whatever the last applied state was.  So if click filled, then drag fills, if it excluded, more excluded are set, etc etc.

However, if I am very careful (for normal at least, seems easier to trigger in variations), there seems to be spots where a click doesn't immediately cycle (maybe only the outer areas near intersections on the very edge of the puzzle for normal) then if you drag, the last applied state is applied despite it coming from a completely different click occurrence.

I think that the mouse release event should be clearing out the prior state (and the dead zones fixed, but the clearing out seems most important.)


As an example, I double clicked the X in the middle of this puzzle, then carefully click dragged to create the top X. (Behaviour here is different to real puzzles, the border area means the click drag has to be off the intersection...)

In case it matters, using latest stable Chrome.
Last edited by Tilps - 2025.09.06 05:09:05
foilman
Kwon-Tom Admin
Puzzles: 3894
Best Total: 24m 6s
Posted - 2025.09.08 06:54:57
Interesting, thank you - I shall take a look into this when I have a chance.

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