[JEWEL-992] Hide mouse cursor while typing in BTF on macOS #3372
+116
−0
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
wellingtoncosta
force-pushed
the
wp/hide-cursor-while-typing-macos
branch
from
3c1838d to
8f771d3
Compare
rock3r
reviewed
Jan 10, 2026
| import org.jetbrains.skiko.OS | ||
| import org.jetbrains.skiko.hostOs | ||
|
|
||
| internal object StandalonePlatformCursorController : PlatformCursorController { |
Collaborator
There was a problem hiding this comment.
If this is copied from platform code, it'd be good to write it in the KDoc
| import org.jetbrains.jewel.ui.platform.PlatformCursorController | ||
|
|
||
| @Composable | ||
| public fun Modifier.hideCursorOnTyping( |
Collaborator
There was a problem hiding this comment.
Should we make it internal? I don't think people will need to use this directly.
| import androidx.compose.runtime.ProvidableCompositionLocal | ||
| import androidx.compose.runtime.staticCompositionLocalOf | ||
|
|
||
| public interface PlatformCursorController { |
Collaborator
There was a problem hiding this comment.
Please add KDoc to all public API symbols
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
3 participants
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Summary
Implements cursor hiding behavior on macOS when typing in text fields, matching the native IDE behavior. The cursor automatically hides when the user types and reappears when the mouse moves.
Evidence
Screen.Recording.2026-01-06.at.6.37.57.PM.mov
Implementation Details
Architecture
Added a platform-specific cursor controller abstraction using Compose composition locals:
PlatformCursorController- Interface for platform-specific cursor controlStandalonePlatformCursorController- macOS implementation using JNA to call[NSCursor setHiddenUntilMouseMoves:YES]BridgePlatformCursorController- Bridge implementation usingMacUIUtil.hideCursor()NoOpPlatformCursorController- Fallback for unsupported platformsIntegration
InputFieldcomponents via.hideCursorOnTyping()modifierLocalPlatformCursorControllercomposition local:IntUiTheme→StandalonePlatformCursorControllerSwingBridgeTheme→BridgePlatformCursorControllerRelease notes
New features