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Reduce the synthesized resize to the bottom-right grip only

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The handles are invisible and paint above the frame, so the north strip ran the
full window width across the caption buttons and the north-east square sat on
the close button's own top-right corner. Crossing one dropped that button's
:hover mid-glow, which reads as the Aero glow flickering or sticking — an
artifact with nothing wrong in the CSS at all.

Only the bottom-right corner overlaps nothing: it lands in the 6px gutter that
.window-body's margin leaves below and right of the content. That is also where
Win7 put its own resize gripper, so one grip is the more faithful answer anyway.
Bumped to 1rem from 0.75rem since it is now the only way to resize.

resizeFrame stays general and the probe still exercises all eight edges: the
origin-moving cases are the subtle ones and are worth keeping proven, so
restoring a side later is one entry in the component against tested math. Both
the component and gotchas.md now spell out which edges are safe to restore
(south, east, west) and which are not (north and both top corners).

Harness diffs 0; math, hover and menu probes clean.

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
jgamboa
2026-08-16 22:28:49 +02:00
co-authored by Claude
parent 4605a481f1
commit 0a0c708140
6 changed files with 81 additions and 45 deletions
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docs/architecture.md
+8 -4
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@@ -483,12 +483,16 @@ lights to reserve `pl-24` for.
**Window resize (STOPGAP)**: undecorating the window also removes the WM's
resize borders, and electrobun 1.18.1 has no native resize gesture — so
`skins/7like/window-resize/` synthesizes one: eight handles overlaying the frame
drag it through `windowGetFrame`/`windowSetFrame` → `BrowserWindow.setFrame`.
`skins/7like/window-resize/` synthesizes one: a bottom-right grip drags the
frame through `windowGetFrame`/`windowSetFrame` → `BrowserWindow.setFrame`.
Mounted by all three win7 roots, hidden while maximized by a CSS `:has()` rule
(no second `windowState` subscription), and every handle carries
(no second `windowState` subscription), and the grip carries
`electrobun-webkit-app-region-no-drag` or the drag region would move the window
instead. The frame math is a dependency-free module so
instead. **One corner, not eight handles**: the handles are invisible and paint
above the frame, so a north strip or top corner overlays the caption buttons and
steals their `:hover`, which reads as the Aero glow flickering on those buttons.
The bottom-right corner is the only one that overlaps nothing (it sits in the
6px gutter `.window-body`'s margin leaves). The frame math is a dependency-free module so
`scripts/resize-math-probe.ts` can assert all eight edges without a window.
**This is meant to be deleted**: the component header carries the removal
checklist and `scripts/check-electrobun-resize.ts` (wired into `postinstall`)