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fix(macos): keep a TextInput's text in place when it's resized while focused - #3150
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Bron Davies (brondavies) wants to merge 1 commit into
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Thiago Vinhas (tvinhas)
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Upstream v0.88.1 (30 commits, replayed onto the local v0.88.0 without the agent files). Conflicts: fork identities and the vlists '*' peer kept; Hermes 260318099.0.5; RCTStatusBarAppearance, the modal's status bar capture and RCTRootViewController are iOS-only (macOS has no status bar, visionOS lacks setNeedsStatusBarAppearanceUpdate); the SwiftUI filter container sets safeAreaRegions through RCTPlatformHostingController; SwiftPM autolinking keeps the per-platform UIKit/AppKit linker settings; RNTester Podfile.lock regenerated with pod install. Also from microsoft/react-native-macos (open PRs, macOS-only): secure TextInput focus crash (microsoft#3141), TextInput color for bullets and plain text (microsoft#3144), TextInput text stays put when resized while focused (microsoft#3150), ScrollView scrolls over a multiline TextInput (microsoft#3146), inverted lists on the new architecture (microsoft#3148), press over a TextInput (microsoft#3143), Dimensions follow window resizes (microsoft#3142, plus removing its observer on invalidate), RCTView shadow color retained (microsoft#3129), UIImage encoders extern "C" (microsoft#3140), layout direction constants (microsoft#3131), and codegen skipping unlinked third-party components (microsoft#3128, upstream react#59067). .yarnrc.yml preapproves hermes-compiler@260318099.0.5 past the 7-day age gate.
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Summary:
Fixes #3149. When a focused single-line
TextInputis resized,NSTextFieldmoves the field editor's clip view to the cell's drawing rect. That drops the title rect's padding and vertical centering, so the text and placeholder jump to the top of the field.RCTUITextFieldnow relocates the field editor after a resize, assetTextContainerInset:already does after a padding change. Both share one method, which keeps the selection. It runs only when the size actually changes.Test Plan:
RNTester-macOS (Debug, arm64, Xcode 27.1, macOS 26.6.2). The Playground had a 40pt search field that shows a Cancel label beside it on focus. I focused it, then read the field editor's clip view from lldb:
main, the clip view goes to y 0 once Cancel narrows the field, and the placeholder draws at the top.I also narrowed and widened a focused field with "Hello" typed and the caret after "He". The text stayed centered, and the caret stayed at 2.
I didn't test with a real click; focus came from
focus(). It's the same in an app on 0.83.0, with padding in place of the centering.