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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/platform-notes.md
+4 -2
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@@ -44,8 +44,10 @@ counterpart, does not link `gtk_window_begin_resize_drag`, and `BrowserWindow`
has neither `setResizable` nor min-size constructor options. The window is still
*programmatically* resizable (`setFrame`/`getFrame` work, and
`gtk_window_set_resizable(false)` is never called), so the app **synthesizes the
input affordance**: eight handles in the webview drag the native frame over RPC
(`ui/src/app/skins/7like/window-resize/`).
input affordance**: a bottom-right grip in the webview drags the native frame
over RPC (`ui/src/app/skins/7like/window-resize/`). Only that one corner — an
invisible handle anywhere else overlays a control and steals its hover, which is
what a full edge set did to the caption buttons.
That is a **stopgap** — each drag tick is an RPC hop plus an FFI call, where a
real WM grab is compositor-side. `scripts/check-electrobun-resize.ts` watches the