perf(layout): one stationary tracking area hit-tests the dividers for hover and the resize cursor; no window region rebuild per spring frame by lawrencecchen · Pull Request #34589 · manaflow-ai/cmux

perf(layout): the window skips cursor-rect invalidation for views that set their cursor from a hit test

lawrencecchen

committed

07e7820

Merge remote-tracking branch 'origin/feat-cmux-next' into perf/hpa-divider-cursor-hit-test

lawrencecchen

committed

241b7c9

perf(layout): one stationary tracking area on the screen hit-tests the dividers for hover and the resize cursor

lawrencecchen

committed

c90b8af

debug.cursor: the cursor the app shows now, by name (DEBUG and bench builds)

lawrencecchen

committed

a8227f6

debug.mouse divider: the center lookup moves to CmuxNextLayout (LayoutRootView.debugDividerCenter)

lawrencecchen

committed

a48fe39

debug.mouse divider: layoutView is not optional

lawrencecchen

committed

d037b67

perf(layout): the divider tracking area has its own owner; one resize cursor object per axis

lawrencecchen

committed

cf29a8c

fix(layout): a screen that hides, fades or slides gives the divider resize cursor back

lawrencecchen

committed

38ce972

test: import CmuxNextDesign for NSCursor.debugName

lawrencecchen

committed

8a68a8f

test: the still-pointer cursor test waits for the layout's observation turn before the spring frames

lawrencecchen

committed

c600a58

fix(layout): the divider handle answers AppKit's cursorUpdate with its resize cursor; debug.cursor reports the hover

lawrencecchen

committed

2ef04e2

debug.cursor: the topmost window under the pointer, the hover reach answer, and the dividers whose frames hold the pointer

lawrencecchen

committed

bdeb7e2

test(layout): the screen has its divider tracking area once it is in a window (red: px-divider-hover showed no hover event)

lawrencecchen

committed

84de311

fix(layout): the screen's divider tracking area goes on when it joins a window; a handle's cursorUpdate cursor is given back too

lawrencecchen

committed

cdb8ef3

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perf(layout): one stationary tracking area hit-tests the dividers for hover and the resize cursor; no window region rebuild per spring frame - #34589

perf(layout): one stationary tracking area hit-tests the dividers for hover and the resize cursor; no window region rebuild per spring frame#34589
lawrencecchen merged 17 commits into
feat-cmux-nextfrom
perf/hpa-divider-cursor-hit-test

Commits on Nov 3, 2026

test(layout): a spring frame invalidates no divider cursor rects (red: cursor rects invalidated as dividers move); DividerHandleView.cursor(atLocal:)

perf(layout): a divider sets its resize cursor from a hit test of the pointer event, not from cursor rects

Merge commit 'ca66a4c92b91155dd5eae86789c50fd5384138ce' into perf/hpa-divider-cursor-hit-test

Commits on Nov 4, 2026

perf(layout): the window skips cursor-rect invalidation for views that set their cursor from a hit test

Merge remote-tracking branch 'origin/feat-cmux-next' into perf/hpa-divider-cursor-hit-test

perf(layout): one stationary tracking area on the screen hit-tests the dividers for hover and the resize cursor

debug.cursor: the cursor the app shows now, by name (DEBUG and bench builds)

debug.mouse divider: the center lookup moves to CmuxNextLayout (LayoutRootView.debugDividerCenter)

debug.mouse divider: layoutView is not optional

perf(layout): the divider tracking area has its own owner; one resize cursor object per axis

fix(layout): a screen that hides, fades or slides gives the divider resize cursor back

test: import CmuxNextDesign for NSCursor.debugName

test: the still-pointer cursor test waits for the layout's observation turn before the spring frames

fix(layout): the divider handle answers AppKit's cursorUpdate with its resize cursor; debug.cursor reports the hover

debug.cursor: the topmost window under the pointer, the hover reach answer, and the dividers whose frames hold the pointer

test(layout): the screen has its divider tracking area once it is in a window (red: px-divider-hover showed no hover event)

fix(layout): the screen's divider tracking area goes on when it joins a window; a handle's cursorUpdate cursor is given back too