8000 fix(terminal): Shift+Enter inserts a newline in TUI apps (Claude Code) by AvoChang · Pull Request #111 · amirlehmam/wmux · GitHub
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fix(terminal): Shift+Enter inserts a newline in TUI apps (Claude Code) #111

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Merged
amirlehmam merged 1 commit into from
Jul 22, 2026
Merged

fix(terminal): Shift+Enter inserts a newline in TUI apps (Claude Code) #111

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19 changes: 19 additions & 0 deletions src/renderer/hooks/useTerminal.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -692,6 +692,25 @@ export function useTerminal({ surfaceId, shell, cwd, visible = true, focused = t
})();
return false; // Prevent default — we handle paste ourselves
}
// Shift+Enter → newline for TUI apps (Claude Code, etc). xterm sends a
// plain \r for BOTH Enter and Shift+Enter, so the app can't tell them
// apart and treats Shift+Enter as submit. Emit ESC+CR — the same sequence
// Alt/Option+Enter produces and that Claude Code's /terminal-setup wires
// up — so Shift+Enter inserts a newline instead of submitting. Excludes
// Ctrl/Alt/Meta so Ctrl+Shift+Enter (zoom pane) is left untouched.
if (
event.type === 'keydown' &&
event.key === 'Enter' &&
event.shiftKey &&
!event.ctrlKey &&
!event.altKey &&
!event.metaKey
) {
if (ptyIdRef.current) {
window.wmux.pty.write(ptyIdRef.current, '\x1b\r');
}
return false;
}
return true;
});

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