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fix: dead-key/IME input in terminal (e.g. Swedish ~)

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Federico Jaramillo Martinez
2026-06-18 12:00:03 +02:00
parent ab46d7addc
commit d93110135b
2 changed files with 10 additions and 1 deletions
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.changeset/fix-swedish-dead-key-terminal.md
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---
"@jmfederico/pi-web": patch
---
Fix dead-key/IME input in the terminal (e.g. typing `~` on a Swedish keyboard). The character previously stuck in the top-left corner and was never sent to the shell. The terminal panel now includes the xterm composition-view styles and no longer forces the helper textarea's position with `!important`, so dead-key composition is placed at the cursor and committed correctly.
src/client/src/components/TerminalPanel.ts
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@@ -562,7 +562,11 @@ export class TerminalPanel extends LitElement {
.terminal-host .xterm { height: 100%; cursor: text; position: relative; user-select: none; }
.terminal-host .xterm.focus, .terminal-host .xterm:focus { outline: none; }
.terminal-host .xterm-helpers { position: absolute; top: 0; z-index: 5; }
.terminal-host .xterm-helper-textarea { position: absolute !important; left: -9999em !important; top: 0 !important; width: 0 !important; height: 0 !important; min-width: 0 !important; min-height: 0 !important; padding: 0 !important; border: 0 !important; margin: 0 !important; opacity: 0 !important; z-index: -5 !important; white-space: nowrap !important; overflow: hidden !important; resize: none !important; outline: 0 !important; appearance: none !important; }
/* Hide the helper textarea without using !important on the positional properties (left/top/width/height/z-index). xterm sets those inline during IME/dead-key composition (e.g. "~" on a Swedish layout) so the composition is positioned at the cursor and committed correctly; forcing them here would pin the textarea off-screen with zero size and break composition. */
.terminal-host .xterm-helper-textarea { position: absolute; left: -9999em; top: 0; width: 0; height: 0; padding: 0 !important; border: 0 !important; margin: 0 !important; opacity: 0 !important; z-index: -5; white-space: nowrap !important; overflow: hidden !important; resize: none !important; outline: 0 !important; appearance: none !important; }
/* The composition view shows pending dead-key/IME input. Without these rules it renders as a static block in the top-left corner instead of overlaying the cursor. */
.terminal-host .composition-view { position: absolute; display: none; white-space: nowrap; z-index: 1; background: var(--pi-terminal-bg, #000); color: var(--pi-terminal-text, #fff); }
.terminal-host .composition-view.active { display: block; }
.terminal-host .xterm-viewport { position: absolute; inset: 0; overflow-y: scroll; cursor: default; background-color: var(--pi-terminal-bg); }
.terminal-host .xterm-screen { position: relative; }
.terminal-host .xterm-screen canvas { position: absolute; left: 0; top: 0; }