Fix pane tab drags silently never starting (#10033) - #10038

#!/usr/bin/env bash
set -euo pipefail

old=2270bacdf94672384097f6b94864111a54bcf548
new=d689ecb1a299ba4ce21b120afeb654786fce3293

git -C vendor/bonsplit cat-file -e "${old}^{commit}"
git -C vendor/bonsplit cat-file -e "${new}^{commit}"
git -C vendor/bonsplit diff --check "$old" "$new"
git -C vendor/bonsplit diff --stat "$old" "$new"
git -C vendor/bonsplit diff "$old" "$new"
git -C vendor/bonsplit grep -n -E \
  'trackTabMouseDown|TabBarBackgroundNSView|hit.?test|transfer|snap.?back|Control|workspace.*reorder' \
  "$new" -- '*.swift' || true

#!/usr/bin/env bash
set -euo pipefail

echo '--- integration files ---'
fd -t f 'BonsplitTabBarPassThrough.swift|BrowserWindowPortal.swift' . | sort
for f in $(fd -t f 'BonsplitTabBarPassThrough.swift|BrowserWindowPortal.swift' .); do
  echo "--- $f ---"
  rg -n -C 8 'BonsplitTabBarPassThrough|TabBarBackgroundNSView|hitTest|hitRegion|634|644|tab.?bar|view' "$f" | head -240
done

echo '--- focused changed source symbols ---'
git -C vendor/bonsplit grep -n -E \
  'trackTabMouseDown|handleTabMouseDragged|beginNativeTabDrag|nativeTabDragSessionDidEnd|animatesToStartingPositionsOnCancelOrFail|finishDrag|shouldCaptureHitTest|insertionIndex|isNoopSamePaneTarget' \
  d689ecb1a299ba4ce21b120afeb654786fce3293 -- '*.swift' || true

echo '--- focused tests ---'
git -C vendor/bonsplit grep -n -E \
  'clickCount|control|Control|cancel|snap|animation|wide|Wide|sidebar|workspace|reorder|hitTest|hit.?region|structure|TabBarBackground' \
  d689ecb1a299ba4ce21b120afeb654786fce3293 -- 'Tests/**/*.swift' || true

#!/usr/bin/env bash
set -euo pipefail

echo '--- files ---'
fd -t f 'BonsplitTabBarPassThrough.swift|BrowserWindowPortal.swift' . | sort

echo '--- drag implementation ---'
git -C vendor/bonsplit show --format= --no-ext-diff d689ecb1a299ba4ce21b120afeb654786fce3293:Sources/Bonsplit/Internal/Views/TabBarView.swift |
  sed -n '2150,2315p'

echo '--- focused tests and test names ---'
git -C vendor/bonsplit ls-tree -r --name-only d689ecb1a299ba4ce21b120afeb654786fce3293 Tests/BonsplitTests |
  grep -E 'TabBarDragEventRoutingTests|TabBarDropHandlerTests|TabWideTitleDragTests|workspace|Sidebar|Reorder'
for f in \
  Tests/BonsplitTests/TabBarDragEventRoutingTests.swift \
  Tests/BonsplitTests/TabBarDropHandlerTests.swift \
  Tests/BonsplitTests/TabWideTitleDragTests.swift; do
  echo "--- $f ---"
  git -C vendor/bonsplit show --format= --no-ext-diff d689ecb1a299ba4ce21b120afeb654786fce3293:"$f" |
    rg -n -C 5 'func test|clickCount|control|cancel|snap|animation|wide|sidebar|workspace|reorder|hit' | head -360
done

#!/usr/bin/env bash
set -euo pipefail

new=d689ecb1a299ba4ce21b120afeb654786fce3293
old=2270bacdf94672384097f6b94864111a54bcf548

echo '--- drag routing tests ---'
git -C vendor/bonsplit show --format= "$new":Tests/BonsplitTests/TabBarDragEventRoutingTests.swift |
  sed -n '1,230p'

echo '--- wide-title tests ---'
git -C vendor/bonsplit show --format= "$new":Tests/BonsplitTests/TabWideTitleDragTests.swift |
  sed -n '1,180p'

echo '--- workspace/sidebar reorder references ---'
git -C vendor/bonsplit grep -n -i -E \
  'workspace|sidebar|reorder' "$new" -- 'Tests/**/*.swift' 'Sources/**/*.swift' |
  head -240 || true

echo '--- tab-bar hierarchy and hit-region changes ---'
git -C vendor/bonsplit diff --unified=35 "$old" "$new" -- \
  Sources/Bonsplit/Internal/Views/TabBarView.swift |
  rg -n -C 35 \
  'TabBarDragAndHoverView|TabBarBackgroundNSView|overlay|background|hitTest|onBeginTabDrag|TabBarDropDestinationView|BonsplitTabItemHitRegionProviding' |
  head -520

echo '--- package test definitions ---'
git -C vendor/bonsplit ls-tree -r --name-only "$new" |
  grep -E 'Package.swift|Tests/.+\\.swift$' |
  head -120

#!/usr/bin/env bash
set -euo pipefail

new=d689ecb1a299ba4ce21b120afeb654786fce3293
old=2270bacdf94672384097f6b94864111a54bcf548

echo '--- explicit Control-click and sidebar/workspace tests ---'
git -C vendor/bonsplit grep -n -i -E \
  'control.?click|modifierFlags|workspace|sidebar.*reorder|reorder.*sidebar|sidebar.*workspace|workspace.*sidebar' \
  "$new" -- 'Tests/**/*.swift' 'Sources/**/*.swift' || true

echo '--- relevant TabBarView body before and after ---'
for rev in "$old" "$new"; do
  echo "--- $rev ---"
  git -C vendor/bonsplit show --format= "$rev":Sources/Bonsplit/Internal/Views/TabBarView.swift |
    sed -n '970,1185p'
done

echo '--- direct hierarchy diff ---'
git -C vendor/bonsplit diff --unified=12 "$old" "$new" -- \
  Sources/Bonsplit/Internal/Views/TabBarView.swift |
  sed -n '1,420p'