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| author | Craig Jennings <c@cjennings.net> | 2026-05-25 18:05:45 -0500 |
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| committer | Craig Jennings <c@cjennings.net> | 2026-05-25 18:05:45 -0500 |
| commit | 8e33a17f66a0ce6dd6e135bfe934c33329ab3aec (patch) | |
| tree | 164a0ab5410aa2802a93f2679c86e013838bf79d /modules/selection-framework.el | |
| parent | 07f03f535a6c392d14ffe138b6f90c0b19eb6c83 (diff) | |
| download | dotemacs-8e33a17f66a0ce6dd6e135bfe934c33329ab3aec.tar.gz dotemacs-8e33a17f66a0ce6dd6e135bfe934c33329ab3aec.zip | |
perf(mousetrap): cache built keymaps per profile
mouse-trap--build-keymap ran on every major-mode hook and rebuilt the whole keymap (~8 prefixes by ~30 events) from scratch each time, so rapid mode-switching paid that cost over and over. I moved the build into mouse-trap--build-keymap-1 and cache its result in mouse-trap--keymap-cache, keyed on the profile name plus its allowed-categories list. The same profile reuses the cached keymap, and editing a profile's categories changes the key so it rebuilds.
Sharing one keymap object across buffers is safe here: the map only binds disallowed events to ignore and is never mutated after it's built. Added mouse-trap--clear-keymap-cache to force a fresh build after editing profiles by hand.
Diffstat (limited to 'modules/selection-framework.el')
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