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Merged
kylecarbs merged 2 commits into from
Dec 3, 2025
Merged

iOS support #76

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09de762
Add mobile keyboard support
gregsadetsky Dec 3, 2025
17a95fa
Add mobile keyboard viewport resize handling
gregsadetsky Dec 3, 2025
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27 changes: 27 additions & 0 deletions demo/bin/demo.js
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Original file line number Diff line number Diff line change
Expand Up @@ -286,6 +286,33 @@ const HTML_TEMPLATE = `<!doctype html>
window.addEventListener('resize', () => {
fitAddon.fit();
});
// Handle mobile keyboard showing/hiding using visualViewport API
if (window.visualViewport) {
const terminalContent = document.querySelector('.terminal-content');
const terminalWindow = document.querySelector('.terminal-window');
const originalHeight = terminalContent.style.height;
const body = document.body;
window.visualViewport.addEventListener('resize', () => {
const keyboardHeight = window.innerHeight - window.visualViewport.height;
if (keyboardHeight > 100) {
body.style.padding = '0';
body.style.alignItems = 'flex-start';
terminalWindow.style.borderRadius = '0';
terminalWindow.style.maxWidth = '100%';
terminalContent.style.height = (window.visualViewport.height - 60) + 'px';
window.scrollTo(0, 0);
} else {
body.style.padding = '40px 20px';
body.style.alignItems = 'center';
terminalWindow.style.borderRadius = '12px';
terminalWindow.style.maxWidth = '1000px';
terminalContent.style.height = originalHeight || '600px';
}
fitAddon.fit();
});
}
</script>
</body>
</html>`;
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33 changes: 23 additions & 10 deletions lib/terminal.ts
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Expand Up @@ -345,29 +345,42 @@ export class Terminal implements ITerminalCore {
this.canvas.style.display = 'block';
parent.appendChild(this.canvas);

// Create hidden textarea for clipboard operations (xterm.js pattern)
// This textarea will be positioned under the mouse cursor during right-clicks
// to enable the browser's native context menu with Copy/Paste options
// Create hidden textarea for keyboard input (must be inside parent for event bubbling)
this.textarea = document.createElement('textarea');
this.textarea.setAttribute('autocorrect', 'off');
this.textarea.setAttribute('autocapitalize', 'off');
this.textarea.setAttribute('spellcheck', 'false');
this.textarea.setAttribute('tabindex', '-1'); // Don't interfere with tab navigation
this.textarea.setAttribute('tabindex', '0'); // Allow focus for mobile keyboard
this.textarea.setAttribute('aria-label', 'Terminal input');
// Use clip-path to completely hide the textarea and its caret
this.textarea.style.position = 'absolute';
this.textarea.style.left = '0';
this.textarea.style.top = '0';
this.textarea.style.width = '0';
this.textarea.style.height = '0';
this.textarea.style.zIndex = '-10';
this.textarea.style.width = '1px';
this.textarea.style.height = '1px';
this.textarea.style.padding = '0';
this.textarea.style.border = 'none';
this.textarea.style.margin = '0';
this.textarea.style.opacity = '0';
this.textarea.style.clipPath = 'inset(50%)'; // Clip everything including caret
this.textarea.style.overflow = 'hidden';
this.textarea.style.pointerEvents = 'none'; // Don't interfere with mouse events normally
this.textarea.style.whiteSpace = 'nowrap';
this.textarea.style.resize = 'none';
this.textarea.style.border = 'none';
this.textarea.style.outline = 'none';
parent.appendChild(this.textarea);

// Focus textarea on interaction - preventDefault before focus
const textarea = this.textarea;
// Desktop: mousedown
this.canvas.addEventListener('mousedown', (ev) => {
ev.preventDefault();
textarea.focus();
});
// Mobile: touchend with preventDefault to suppress iOS caret
this.canvas.addEventListener('touchend', (ev) => {
ev.preventDefault();
textarea.focus();
});

// Create renderer
this.renderer = new CanvasRenderer(this.canvas, {
fontSize: this.options.fontSize,
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