Initial commit: Vesper markdown reader
This commit is contained in:
455
src/App.tsx
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455
src/App.tsx
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import { useState, useEffect, useCallback, useRef } from "react";
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import { open } from "@tauri-apps/plugin-dialog";
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import { readTextFile } from "@tauri-apps/plugin-fs";
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import { getCurrentWindow } from "@tauri-apps/api/window";
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import MarkdownIt from "markdown-it";
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import hljs from "highlight.js";
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import { motion, AnimatePresence } from "framer-motion";
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import TaskLists from "markdown-it-task-lists";
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import sup from "markdown-it-sup";
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import sub from "markdown-it-sub";
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import mark from "markdown-it-mark";
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import {
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Minus, Square, X, FileText, Search, PanelLeft,
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Keyboard, Info, ChevronLeft, ChevronRight,
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FileInput, FolderOpen
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} from "lucide-react";
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interface Tab { id: string; title: string; content: string; path: string; }
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interface Heading { id: string; text: string; level: number; }
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const md: MarkdownIt = new MarkdownIt({
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html: true,
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linkify: true,
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typographer: true,
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highlight: function(str: string, lang: string): string {
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if (lang && hljs.getLanguage(lang)) {
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try {
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return '<pre class="hljs"><code>' + hljs.highlight(str, { language: lang, ignoreIllegals: true }).value + '</code></pre>';
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} catch { }
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}
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return '<pre class="hljs"><code>' + md.utils.escapeHtml(str) + '</code></pre>';
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}
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}).use(TaskLists).use(sup).use(sub).use(mark);
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function App() {
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const [tabs, setTabs] = useState<Tab[]>([]);
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const [activeTabId, setActiveTabId] = useState<string | null>(null);
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const [showSidebar, setShowSidebar] = useState(false);
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const [showSearch, setShowSearch] = useState(false);
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const [focusMode, setFocusMode] = useState(false);
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const [isDraggingOver, setIsDraggingOver] = useState(false);
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const [searchQuery, setSearchQuery] = useState("");
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const [searchMatches, setSearchMatches] = useState<number[]>([]);
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const [currentMatchIndex, setCurrentMatchIndex] = useState(0);
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const [headings, setHeadings] = useState<Heading[]>([]);
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const [menuOpen, setMenuOpen] = useState<string | null>(null);
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const [showShortcutsModal, setShowShortcutsModal] = useState(false);
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const [showAboutModal, setShowAboutModal] = useState(false);
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const [zoom, setZoom] = useState(100);
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const [contentWidth, setContentWidth] = useState(680);
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const [sidebarWidth, setSidebarWidth] = useState(220);
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const [searchTriggerCount, setSearchTriggerCount] = useState(0);
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const [resizeStartState, setResizeStartState] = useState<{ startX: number; startWidth: number } | null>(null);
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const [contextMenu, setContextMenu] = useState<{ x: number; y: number } | null>(null);
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const contentRef = useRef<HTMLDivElement>(null);
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const sidebarRef = useRef<HTMLDivElement>(null);
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const searchInputRef = useRef<HTMLInputElement>(null);
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const menuItemRefs = useRef<{ [key: string]: HTMLDivElement | null }>({});
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const [appWindow, setAppWindow] = useState<ReturnType<typeof getCurrentWindow> | null>(null);
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const activeTab = tabs.find(t => t.id === activeTabId) || null;
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useEffect(() => {
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setAppWindow(getCurrentWindow());
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}, []);
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useEffect(() => {
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const handleContextMenu = (e: MouseEvent) => {
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if (activeTab) {
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e.preventDefault();
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setContextMenu({ x: e.clientX, y: e.clientY });
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}
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};
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const handleClick = () => setContextMenu(null);
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document.addEventListener('contextmenu', handleContextMenu);
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document.addEventListener('click', handleClick);
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return () => {
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document.removeEventListener('contextmenu', handleContextMenu);
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document.removeEventListener('click', handleClick);
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};
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}, [activeTab]);
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const parseHeadings = useCallback((content: string) => {
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const headingRegex = /^(#{1,6})\s+(.+)$/gm;
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const parsed: Heading[] = [];
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let match;
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while ((match = headingRegex.exec(content))) {
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parsed.push({ id: match[2].toLowerCase().replace(/[^\w]+/g, '-'), text: match[2], level: match[1].length });
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}
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setHeadings(parsed);
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}, []);
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const renderMarkdown = useCallback((content: string) => ({ __html: md.render(content) }), []);
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const handleFileDrop = useCallback(async (e: React.DragEvent) => {
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e.preventDefault();
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e.stopPropagation();
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setIsDraggingOver(false);
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const files = Array.from(e.dataTransfer.files);
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const mdFile = files.find(f => f.name.endsWith('.md') || f.name.endsWith('.markdown') || f.name.endsWith('.txt'));
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if (mdFile) {
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const content = await mdFile.text();
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const newTab: Tab = { id: Date.now().toString(), title: mdFile.name, content, path: mdFile.name };
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setTabs(prev => [...prev, newTab]);
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setActiveTabId(newTab.id);
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parseHeadings(content);
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}
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}, [parseHeadings]);
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const handleDragOver = useCallback((e: React.DragEvent) => {
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e.preventDefault();
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e.stopPropagation();
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setIsDraggingOver(true);
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}, []);
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const handleDragLeave = useCallback((e: React.DragEvent) => {
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e.preventDefault();
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e.stopPropagation();
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setIsDraggingOver(false);
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}, []);
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const handleOpenDialog = useCallback(async () => {
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try {
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const selected = await open({ multiple: false, filters: [{ name: 'Markdown', extensions: ['md', 'markdown', 'txt'] }] });
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if (selected) {
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const content = await readTextFile(selected);
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const newTab: Tab = { id: Date.now().toString(), title: selected.split(/[/\\]/).pop() || 'Untitled', content, path: selected };
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setTabs(prev => [...prev, newTab]);
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setActiveTabId(newTab.id);
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parseHeadings(content);
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}
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} catch (err) { console.error('Failed to open file:', err); }
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}, [parseHeadings]);
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const closeTab = useCallback((id: string) => {
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setTabs(prev => {
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const newTabs = prev.filter(t => t.id !== id);
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if (activeTabId === id) {
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const idx = prev.findIndex(t => t.id === id);
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const nextTab = newTabs[idx] || newTabs[idx - 1];
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setActiveTabId(nextTab?.id || null);
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if (nextTab) parseHeadings(nextTab.content); else setHeadings([]);
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}
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return newTabs;
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});
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}, [activeTabId, parseHeadings]);
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const closeWindow = useCallback(async () => { await appWindow?.close(); }, [appWindow]);
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const scrollToHeading = useCallback((text: string) => {
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const allHeadings = document.querySelectorAll('.markdown-content h1, .markdown-content h2, .markdown-content h3, .markdown-content h4, .markdown-content h5, .markdown-content h6');
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const target = Array.from(allHeadings).find(h => h.textContent?.trim() === text);
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if (target) target.scrollIntoView({ behavior: 'smooth', block: 'start' });
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}, []);
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useEffect(() => {
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if (!searchQuery || !activeTab) {
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setSearchMatches([]);
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return;
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}
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const regex = new RegExp(searchQuery.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), 'gi');
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const matches: number[] = [];
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let match;
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while ((match = regex.exec(activeTab.content)) !== null) {
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matches.push(match.index);
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}
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setSearchMatches(matches);
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setCurrentMatchIndex(0);
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}, [searchQuery, activeTab]);
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useEffect(() => {
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if (searchMatches.length > 0 && contentRef.current) {
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const contentEl = contentRef.current;
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const textContent = contentEl.innerText || '';
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const regex = new RegExp(searchQuery.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), 'gi');
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const matchIdx = searchMatches[currentMatchIndex];
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if (matchIdx !== undefined) {
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const matchPos = textContent.indexOf(searchQuery, Math.max(0, matchIdx - 50));
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if (matchPos !== -1) {
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const element = contentEl.querySelector(`[data-search-index="${currentMatchIndex}"]`);
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if (element) {
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element.scrollIntoView({ behavior: 'smooth', block: 'center' });
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}
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}
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}
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}
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}, [searchTriggerCount, searchMatches, currentMatchIndex, searchQuery]);
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useEffect(() => {
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const handleKeyDown = (e: KeyboardEvent) => {
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if (e.ctrlKey || e.metaKey) {
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if (e.key === 'o') { e.preventDefault(); handleOpenDialog(); }
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else if (e.key === 'w') { e.preventDefault(); if (activeTabId) closeTab(activeTabId); }
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else if (e.key === 'q') { e.preventDefault(); closeWindow(); }
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else if (e.key === 'f') { e.preventDefault(); setShowSearch(s => !s); }
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else if (e.shiftKey && e.key === 'S') { e.preventDefault(); setShowSidebar(s => !s); }
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} else if (e.key === 'F11') { e.preventDefault(); setFocusMode(f => !f); }
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else if (e.key === 'Escape') { setShowSearch(false); setShowSidebar(false); }
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};
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window.addEventListener('keydown', handleKeyDown);
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return () => window.removeEventListener('keydown', handleKeyDown);
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}, [handleOpenDialog, closeTab, activeTabId, closeWindow]);
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useEffect(() => {
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const handleWheel = (e: WheelEvent) => {
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if (e.ctrlKey) {
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e.preventDefault();
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const delta = e.deltaY > 0 ? -10 : 10;
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setZoom(z => Math.max(50, Math.min(200, z + delta)));
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} else if (e.shiftKey) {
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e.preventDefault();
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setContentWidth(w => Math.max(400, Math.min(1200, w + e.deltaY)));
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}
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};
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document.addEventListener('wheel', handleWheel, { passive: false });
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return () => document.removeEventListener('wheel', handleWheel);
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}, []);
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useEffect(() => {
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document.documentElement.style.zoom = `${zoom}%`;
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}, [zoom]);
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useEffect(() => {
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let isDraggingWindow = false;
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const handleMouseDown = (e: MouseEvent) => {
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if (e.buttons === 3 && focusMode) {
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e.preventDefault();
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isDraggingWindow = true;
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appWindow?.startDragging();
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}
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};
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const handleMouseUp = () => { isDraggingWindow = false; };
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document.addEventListener('mousedown', handleMouseDown);
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document.addEventListener('mouseup', handleMouseUp);
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return () => {
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document.removeEventListener('mousedown', handleMouseDown);
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document.removeEventListener('mouseup', handleMouseUp);
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};
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}, [appWindow, focusMode]);
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const startSidebarResize = (e: React.MouseEvent) => {
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e.preventDefault();
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e.stopPropagation();
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setResizeStartState({ startX: e.clientX, startWidth: sidebarWidth });
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};
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useEffect(() => {
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if (!resizeStartState) return;
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const handleMouseMove = (e: MouseEvent) => {
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const zoomFactor = zoom / 100;
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const diff = (e.clientX - resizeStartState.startX) / zoomFactor;
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const newWidth = Math.max(150, Math.min(400, resizeStartState.startWidth + diff));
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setSidebarWidth(newWidth);
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};
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const handleMouseUp = () => {
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setResizeStartState(null);
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};
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document.body.style.cursor = 'col-resize';
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document.addEventListener('mousemove', handleMouseMove);
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document.addEventListener('mouseup', handleMouseUp);
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return () => {
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document.body.style.cursor = '';
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document.removeEventListener('mousemove', handleMouseMove);
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document.removeEventListener('mouseup', handleMouseUp);
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};
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}, [resizeStartState, zoom]);
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const focusModeClass = focusMode ? 'focus-mode' : '';
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return (
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<div
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className={`app-container ${focusModeClass}`}
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onDrop={handleFileDrop}
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onDragOver={handleDragOver}
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onDragLeave={handleDragLeave}
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>
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{isDraggingOver && (
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<div className="drop-zone">
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<div className="drop-zone-content">
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<div className="drop-zone-icon">📄</div>
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<div className="drop-zone-text">Drop markdown file here</div>
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</div>
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</div>
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)}
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<div className="title-bar">
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<div className="title-bar-left">
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<div className="title-bar-icon"><FileText size={14} /></div>
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<span className="title-bar-text">Vesper</span>
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</div>
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<div className="title-bar-drag"></div>
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<div className="title-bar-controls">
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<button className="title-bar-button" onClick={() => appWindow?.minimize()}><Minus size={14} /></button>
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<button className="title-bar-button" onClick={() => appWindow?.toggleMaximize()}><Square size={12} /></button>
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<button className="title-bar-button close" onClick={closeWindow}><X size={14} /></button>
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</div>
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</div>
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<div className="menu-bar">
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<div className="menu-item" ref={(el) => { menuItemRefs.current['file'] = el; }} onClick={() => setMenuOpen(prev => prev === 'file' ? null : 'file')}>File</div>
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<div className="menu-item" ref={(el) => { menuItemRefs.current['view'] = el; }} onClick={() => setMenuOpen(prev => prev === 'view' ? null : 'view')}>View</div>
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<div className="menu-item" ref={(el) => { menuItemRefs.current['help'] = el; }} onClick={() => setMenuOpen(prev => prev === 'help' ? null : 'help')}>Help</div>
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<AnimatePresence>
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{menuOpen === 'file' && menuItemRefs.current['file'] && (
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<motion.div className="menu-dropdown" initial={{ opacity: 0, y: -5 }} animate={{ opacity: 1, y: 0 }} exit={{ opacity: 0, y: -5 }} style={{ position: 'fixed', left: menuItemRefs.current['file']!.getBoundingClientRect().left, top: menuItemRefs.current['file']!.getBoundingClientRect().bottom - 6 }}>
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<button className="menu-dropdown-item" onClick={() => { handleOpenDialog(); setMenuOpen(null); }}>Open File <span className="menu-shortcut">Ctrl+O</span></button>
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<button className="menu-dropdown-item" onClick={() => { if (activeTabId) closeTab(activeTabId); setMenuOpen(null); }}>Close Tab <span className="menu-shortcut">Ctrl+W</span></button>
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<div className="menu-separator"></div>
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<button className="menu-dropdown-item" onClick={() => { closeWindow(); setMenuOpen(null); }}>Exit <span className="menu-shortcut">Ctrl+Q</span></button>
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</motion.div>
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)}
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{menuOpen === 'view' && menuItemRefs.current['view'] && (
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<motion.div className="menu-dropdown" initial={{ opacity: 0, y: -5 }} animate={{ opacity: 1, y: 0 }} exit={{ opacity: 0, y: -5 }} style={{ position: 'fixed', left: menuItemRefs.current['view']!.getBoundingClientRect().left, top: menuItemRefs.current['view']!.getBoundingClientRect().bottom - 6 }}>
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<button className="menu-dropdown-item" onClick={() => { setShowSearch(s => !s); setMenuOpen(null); }}>Toggle Search <span className="menu-shortcut">Ctrl+F</span></button>
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<button className="menu-dropdown-item" onClick={() => { setShowSidebar(s => !s); setMenuOpen(null); }}>Toggle Sidebar <span className="menu-shortcut">Ctrl+Shift+S</span></button>
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<button className="menu-dropdown-item" onClick={() => { setFocusMode(f => !f); setMenuOpen(null); }}>Focus Mode <span className="menu-shortcut">F11</span></button>
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</motion.div>
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)}
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{menuOpen === 'help' && menuItemRefs.current['help'] && (
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<motion.div className="menu-dropdown" initial={{ opacity: 0, y: -5 }} animate={{ opacity: 1, y: 0 }} exit={{ opacity: 0, y: -5 }} style={{ position: 'fixed', left: menuItemRefs.current['help']!.getBoundingClientRect().left, top: menuItemRefs.current['help']!.getBoundingClientRect().bottom - 6 }}>
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<button className="menu-dropdown-item" onClick={() => { setShowShortcutsModal(true); setMenuOpen(null); }}>Keyboard Shortcuts</button>
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<button className="menu-dropdown-item" onClick={() => { setShowAboutModal(true); setMenuOpen(null); }}>About Vesper</button>
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</motion.div>
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)}
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</AnimatePresence>
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</div>
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<AnimatePresence>
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{tabs.length > 1 && (
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<motion.div className="tab-bar" initial={{ height: 0, opacity: 0 }} animate={{ height: 38, opacity: 1 }} exit={{ height: 0, opacity: 0 }}>
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<div className="tab-scroll-container">
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{tabs.map(tab => (
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<div key={tab.id} className={`tab ${tab.id === activeTabId ? 'active' : ''}`} onClick={() => { setActiveTabId(tab.id); parseHeadings(tab.content); }}>
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<span className="tab-title">{tab.title}</span>
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<button className="tab-close" onClick={(e) => { e.stopPropagation(); closeTab(tab.id); }}><X size={12} /></button>
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</div>
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))}
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</div>
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</motion.div>
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)}
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</AnimatePresence>
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<div className="main-content">
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{showSidebar && headings.length > 0 && (
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<div className="sidebar-scroll-wrapper" style={{ width: sidebarWidth, height: '100%' }}>
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<div className="sidebar" ref={sidebarRef}>
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<div className="sidebar-heading">Contents</div>
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{headings.map(h => <button key={h.id} className={`sidebar-item h${h.level}`} onClick={() => scrollToHeading(h.text)}>{h.text}</button>)}
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</div>
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<div className="sidebar-resize-handle" onMouseDown={startSidebarResize}></div>
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</div>
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)}
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<div className="content-column">
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<AnimatePresence>
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{showSearch && activeTab && (
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<motion.div className="search-bar" initial={{ opacity: 0, y: -10 }} animate={{ opacity: 1, y: 0 }} exit={{ opacity: 0, y: -10 }}>
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<input ref={searchInputRef} type="text" className="search-input" placeholder="Search..." value={searchQuery} onChange={e => { setSearchQuery(e.target.value); }} onKeyDown={e => { if (e.key === 'Enter') { setSearchTriggerCount(c => c + 1); searchInputRef.current?.blur(); } }} />
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{searchMatches.length > 0 && (
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<>
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<button className="search-nav-btn" onClick={() => { setCurrentMatchIndex(i => (i - 1 + searchMatches.length) % searchMatches.length); setSearchTriggerCount(c => c + 1); }}><ChevronLeft size={16} /></button>
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<span className="search-results">{currentMatchIndex + 1} of {searchMatches.length}</span>
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<button className="search-nav-btn" onClick={() => { setCurrentMatchIndex(i => (i + 1) % searchMatches.length); setSearchTriggerCount(c => c + 1); }}><ChevronRight size={16} /></button>
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</>
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)}
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{searchQuery && searchMatches.length === 0 && <span className="search-results">No results</span>}
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</motion.div>
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)}
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</AnimatePresence>
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|
||||
<motion.div className="content-area-scroll-wrapper" key={activeTabId} initial={{ opacity: 0 }} animate={{ opacity: 1 }}>
|
||||
<div className="content-area-scroll" ref={contentRef}>
|
||||
{activeTab ? (
|
||||
<article className="markdown-content" style={{ maxWidth: contentWidth }} dangerouslySetInnerHTML={renderMarkdown(activeTab.content)} />
|
||||
) : (
|
||||
<motion.div className="welcome-screen" initial={{ opacity: 0, scale: 0.95 }} animate={{ opacity: 1, scale: 1 }}>
|
||||
<motion.div className="welcome-icon" animate={{ y: [0, -5, 0] }} transition={{ duration: 2, repeat: Infinity }}><FolderOpen size={64} /></motion.div>
|
||||
<h1 className="welcome-title">Vesper</h1>
|
||||
<p className="welcome-subtitle">A beautiful markdown reader</p>
|
||||
<button className="welcome-button" onClick={handleOpenDialog}>Open File (Ctrl+O)</button>
|
||||
<p className="welcome-hint">Or drag and drop a markdown file here</p>
|
||||
</motion.div>
|
||||
)}
|
||||
</div>
|
||||
</motion.div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<AnimatePresence>
|
||||
{showShortcutsModal && (
|
||||
<motion.div className="modal-overlay" initial={{ opacity: 0 }} animate={{ opacity: 1 }} exit={{ opacity: 0 }} onClick={() => setShowShortcutsModal(false)}>
|
||||
<motion.div className="modal" initial={{ opacity: 0, scale: 0.95 }} animate={{ opacity: 1, scale: 1 }} exit={{ opacity: 0, scale: 0.95 }} onClick={e => e.stopPropagation()}>
|
||||
<div className="modal-header">
|
||||
<h2 className="modal-title">Keyboard Shortcuts</h2>
|
||||
<button className="modal-close" onClick={() => setShowShortcutsModal(false)}><X size={16} /></button>
|
||||
</div>
|
||||
<div className="modal-content">
|
||||
<div className="shortcut-group"><h3 className="shortcut-group-title">File</h3>
|
||||
<div className="shortcut"><span>Open File</span><kbd>Ctrl+O</kbd></div>
|
||||
<div className="shortcut"><span>Close Tab</span><kbd>Ctrl+W</kbd></div>
|
||||
<div className="shortcut"><span>Exit</span><kbd>Ctrl+Q</kbd></div>
|
||||
</div>
|
||||
<div className="shortcut-group"><h3 className="shortcut-group-title">View</h3>
|
||||
<div className="shortcut"><span>Toggle Search</span><kbd>Ctrl+F</kbd></div>
|
||||
<div className="shortcut"><span>Toggle Sidebar</span><kbd>Ctrl+Shift+S</kbd></div>
|
||||
<div className="shortcut"><span>Focus Mode</span><kbd>F11</kbd></div>
|
||||
</div>
|
||||
</div>
|
||||
</motion.div>
|
||||
</motion.div>
|
||||
)}
|
||||
{showAboutModal && (
|
||||
<motion.div className="modal-overlay" initial={{ opacity: 0 }} animate={{ opacity: 1 }} exit={{ opacity: 0 }} onClick={() => setShowAboutModal(false)}>
|
||||
<motion.div className="modal" initial={{ opacity: 0, scale: 0.95 }} animate={{ opacity: 1, scale: 1 }} exit={{ opacity: 0, scale: 0.95 }} onClick={e => e.stopPropagation()}>
|
||||
<div className="modal-header">
|
||||
<h2 className="modal-title">About Vesper</h2>
|
||||
<button className="modal-close" onClick={() => setShowAboutModal(false)}><X size={16} /></button>
|
||||
</div>
|
||||
<div className="modal-content about-content">
|
||||
<div className="about-icon"><FileText size={48} /></div>
|
||||
<h3 className="about-name">Vesper</h3>
|
||||
<p className="about-version">Version 1.0.0</p>
|
||||
<p className="about-description">A beautiful markdown reader</p>
|
||||
<p className="about-copyright">Built with Tauri + React</p>
|
||||
</div>
|
||||
</motion.div>
|
||||
</motion.div>
|
||||
)}
|
||||
</AnimatePresence>
|
||||
|
||||
<AnimatePresence>
|
||||
{menuOpen && (
|
||||
<div className="menu-backdrop" onClick={() => setMenuOpen(null)} />
|
||||
)}
|
||||
</AnimatePresence>
|
||||
|
||||
{contextMenu && (
|
||||
<div className="context-menu" style={{ left: contextMenu.x, top: contextMenu.y }}>
|
||||
<button className="context-menu-item" onClick={() => { handleOpenDialog(); setContextMenu(null); }}>Open File</button>
|
||||
<button className="context-menu-item" onClick={() => { setShowSearch(true); setContextMenu(null); }}>Find <span className="menu-shortcut">Ctrl+F</span></button>
|
||||
<div className="context-menu-separator"></div>
|
||||
<button className="context-menu-item" onClick={() => { setShowSidebar(s => !s); setContextMenu(null); }}>Toggle Sidebar</button>
|
||||
<button className="context-menu-item" onClick={() => { setFocusMode(f => !f); setContextMenu(null); }}>Focus Mode</button>
|
||||
<div className="context-menu-separator"></div>
|
||||
<button className="context-menu-item" onClick={() => { setShowShortcutsModal(true); setContextMenu(null); }}>Keyboard Shortcuts</button>
|
||||
<button className="context-menu-item" onClick={() => { setShowAboutModal(true); setContextMenu(null); }}>About</button>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
);
|
||||
}
|
||||
|
||||
export default App;
|
||||
Reference in New Issue
Block a user