more fixes for pad editor, mainly for mobile

src/lib/components/pad/Editor.svelte

@@ -21,8 +21,25 @@
 	let currentWord = $state('');
 	let selectedIndex = $state(-1);
 	let cursorPosition = $state({ x: 0, y: 0 });
+	let isMobile = $state(false);
 	const debounce = createDebounce();
 
+	// Check for mobile on component mount and resize
+	function checkMobile() {
+		isMobile = window.innerWidth < 768;
+	}
+
+	$effect(() => {
+		// Add resize listener for responsive behavior
+		window.addEventListener('resize', checkMobile);
+		checkMobile();
+
+		// Cleanup on unmount
+		return () => {
+			window.removeEventListener('resize', checkMobile);
+		};
+	});
+
 	$effect(() => {
 		if (editor?.getHTML()) {
 			localStorage.setItem('tipex', editor.getHTML());
@@ -49,7 +66,7 @@
 			currentWord = '';
 		}
 		updateCursorPosition();
-	}, 300);
+	}, 1000);
 
 	const handleSelectionChange = debounce(async () => {
 		const selection = editor?.view.state.selection;
@@ -63,6 +80,15 @@
 		}
 	}, 300);
 
+	// Special handler for touch events
+	function handleTouchEnd(event: TouchEvent) {
+		// Prevent default only if we have suggestions
+		if (suggestions.length > 0 || rhymes.length > 0) {
+			event.preventDefault();
+		}
+		handleSelectionChange();
+	}
+
 	function clearSuggestions() {
 		suggestions = [];
 		rhymes = [];
@@ -129,7 +155,7 @@
 <div
 	class="container mx-auto my-8 dark relative px-4"
 	onmouseup={handleSelectionChange}
-	ontouchend={handleSelectionChange}
+	ontouchend={handleTouchEnd}
 	onmousedown={clearSuggestions}
 	ontouchstart={clearSuggestions}
 	role="textbox"
@@ -144,7 +170,7 @@
 
 	{#if suggestions.length > 0 || rhymes.length > 0}
 		<div
-			class="suggestions-container"
+			class="suggestions-container {isMobile ? 'mobile-suggestions' : ''}"
 			role="listbox"
 			aria-label="Suggestions and rhymes"
 			style:left="{cursorPosition.x}px"
@@ -184,5 +210,30 @@
 		box-shadow:
 			0 4px 6px -1px rgb(0 0 0 / 0.1),
 			0 2px 4px -2px rgb(0 0 0 / 0.1);
+		touch-action: manipulation;
+		background-color: white;
+		border-radius: 0.375rem;
+	}
+
+	/* Mobile-specific styles */
+	.mobile-suggestions {
+		max-width: 90vw;
+		width: 90vw;
+		max-height: 200px;
+		left: 50% !important; /* Override inline styles */
+		bottom: 20px !important;
+		top: auto !important;
+		position: fixed;
+	}
+
+	@media (max-width: 768px) {
+		.suggestions-container {
+			position: fixed;
+			bottom: 20px;
+			left: 50% !important;
+			transform: translateX(-50%);
+			top: auto !important;
+			width: 90vw;
+		}
 	}
 </style>

src/lib/components/pad/SuggestionList.svelte

@@ -10,6 +10,13 @@
 		selectedIndex: number;
 		onSelect: (word: string) => void;
 	}>();
+
+	const isMobile = window.innerWidth < 768;
+
+	function handleTouchSelect(event: TouchEvent, word: string) {
+		event.preventDefault();
+		onSelect(word);
+	}
 </script>
 
 <div class="bg-white dark:bg-gray-800 shadow-lg rounded-md p-2 mb-2">
@@ -17,13 +24,28 @@
 	{#each suggestions.slice(0, 10) as { word }, i}
 		<button
 			type="button"
-			class="block w-full text-left px-2 py-1 hover:bg-gray-100 dark:hover:bg-gray-700 rounded
+			class="block w-full text-left px-2 {isMobile
+				? 'py-3'
+				: 'py-1'} hover:bg-gray-100 dark:hover:bg-gray-700 rounded
         {selectedIndex === i ? 'bg-gray-100 dark:bg-gray-700' : ''}"
 			onmousedown={() => onSelect(word)}
+			ontouchstart={(e) => handleTouchSelect(e, word)}
 			role="option"
 			aria-selected={selectedIndex === i}
+			style:touch-action="manipulation"
 		>
 			{word}
 		</button>
 	{/each}
 </div>
+
+<style>
+	/* Mobile-specific styles */
+	@media (max-width: 768px) {
+		button {
+			padding: 12px 8px;
+			margin-bottom: 4px;
+			font-size: 16px; /* Minimum readable size on mobile */
+		}
+	}
+</style>

src/lib/utils/cursor.ts

@@ -8,6 +8,19 @@ export function calculateCursorPosition(editor: TipexEditor | undefined) {
 	const rect = range.getBoundingClientRect();
 	const editorRect = editor?.view.dom.getBoundingClientRect() || { left: 0, top: 0 };
 
+	// Check if on mobile
+	const isMobile = window.innerWidth < 768;
+
+	if (isMobile) {
+		// For mobile, position suggestions at the bottom center of the screen
+		// to avoid issues with virtual keyboard and to make them more accessible
+		return {
+			x: window.innerWidth / 2,
+			y: Math.min(rect.bottom - editorRect.top + window.scrollY, window.innerHeight - 250)
+		};
+	}
+
+	// Desktop positioning
 	const x = Math.min(
 		Math.max(rect.left - editorRect.left + window.scrollX, 100),
 		window.innerWidth - 300

src/lib/utils/text.ts

@@ -9,16 +9,44 @@ function extractLastWord(text: string): string {
 
 /**
  * Extracts the current word at cursor position from the document
+ * Improved to handle different selection scenarios on mobile
  */
 export function extractCurrentWord(doc: any, pos: number): string {
-	const textBefore = doc.textBetween(Math.max(0, pos - 100), pos);
-	return extractLastWord(textBefore);
+	// For mobile, we might need to look further back to find words
+	// since touch selection can be less precise
+	const lookbackDistance = window.innerWidth < 768 ? 200 : 100;
+	const textBefore = doc.textBetween(Math.max(0, pos - lookbackDistance), pos);
+
+	// First try with standard pattern
+	const word = extractLastWord(textBefore);
+
+	// If standard pattern fails, try a more lenient pattern for mobile
+	if (!word && window.innerWidth < 768) {
+		const lenientMatches = textBefore.match(/[a-zA-Z]+(?:\s+[a-zA-Z]+)*\s*$/);
+		return lenientMatches ? lenientMatches[0].trim().split(/\s+/).pop() || '' : '';
+	}
+
+	return word;
 }
 
 /**
  * Extracts the last word from a selected text range
+ * Improved to handle imprecise selections on mobile
  */
 export function extractSelectedWord(doc: any, from: number, to: number): string {
+	// On mobile, selections might include extra spaces
+	const isMobile = window.innerWidth < 768;
 	const selectedText = doc.textBetween(from, to, ' ');
+
+	if (isMobile && selectedText.trim()) {
+		// For mobile, take the largest word in the selection
+		const words = selectedText.trim().split(/\s+/);
+		if (words.length > 0) {
+			// Find the longest word in selection (mobile users often select multiple words)
+			return words.reduce((longest: string, current: string) =>
+				current.length > longest.length ? current : longest, '');
+		}
+	}
+
 	return extractLastWord(selectedText);
 }