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fix(tui): handle Kitty protocol lock key modifiers

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Fixes keyboard input in Ghostty on Linux when Num Lock is enabled.
The Kitty protocol includes Caps Lock (64) and Num Lock (128) bits
in modifier values. Now masks out lock bits when matching shortcuts.

Added helper functions: isArrowUp/Down/Left/Right, isEnter, isTab,
isBackspace, isShiftEnter, isAltEnter, isAltLeft/Right, isCtrlLeft/Right

fixes #243
This commit is contained in:
Mario Zechner
2025-12-19 20:34:20 +01:00
parent 7e38897673
commit 28c3ffb914
6 changed files with 278 additions and 42 deletions
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8
packages/tui/src/components/select-list.ts
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@@ -1,4 +1,4 @@
import { isCtrlC, isEscape } from "../keys.js";
import { isArrowDown, isArrowUp, isCtrlC, isEnter, isEscape } from "../keys.js";
import type { Component } from "../tui.js";
import { truncateToWidth } from "../utils.js";
@@ -146,17 +146,17 @@ export class SelectList implements Component {
handleInput(keyData: string): void {
// Up arrow - wrap to bottom when at top
if (keyData === "\x1b[A") {
if (isArrowUp(keyData)) {
this.selectedIndex = this.selectedIndex === 0 ? this.filteredItems.length - 1 : this.selectedIndex - 1;
this.notifySelectionChange();
}
// Down arrow - wrap to top when at bottom
else if (keyData === "\x1b[B") {
else if (isArrowDown(keyData)) {
this.selectedIndex = this.selectedIndex === this.filteredItems.length - 1 ? 0 : this.selectedIndex + 1;
this.notifySelectionChange();
}
// Enter
else if (keyData === "\r") {
else if (isEnter(keyData)) {
const selectedItem = this.filteredItems[this.selectedIndex];
if (selectedItem && this.onSelect) {
this.onSelect(selectedItem);