From fda3e5987dd731989eba743abcaed8827306b1c3 Mon Sep 17 00:00:00 2001 From: thzxx Date: Mon, 18 May 2026 10:40:11 +0800 Subject: [PATCH] Initial commit: MarkLite Markdown Reader --- .gitignore | 27 + DESIGN.md | 157 +++++ README.md | 69 +++ assets/icon.ico | Bin 0 -> 5982 bytes lib/highlight-github.css | 10 + lib/highlight.min.js | 1213 ++++++++++++++++++++++++++++++++++++++ lib/marked.min.js | 6 + main.js | 273 +++++++++ package.json | 67 +++ preload.js | 19 + renderer/index.html | 137 +++++ renderer/renderer.js | 441 ++++++++++++++ renderer/style.css | 548 +++++++++++++++++ 13 files changed, 2967 insertions(+) create mode 100644 .gitignore create mode 100644 DESIGN.md create mode 100644 README.md create mode 100644 assets/icon.ico create mode 100644 lib/highlight-github.css create mode 100644 lib/highlight.min.js create mode 100644 lib/marked.min.js create mode 100644 main.js create mode 100644 package.json create mode 100644 preload.js create mode 100644 renderer/index.html create mode 100644 renderer/renderer.js create mode 100644 renderer/style.css diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..e090697 --- /dev/null +++ b/.gitignore @@ -0,0 +1,27 @@ +# Dependencies +node_modules/ +dist/ +package-lock.json + +# OS files +.DS_Store +Thumbs.db +desktop.ini + +# IDE files +.vscode/ +.idea/ +*.swp +*.swo +*~ + +# Build output +dist/ +out/ +*.exe +*.msi +*.dmg + +# Logs +*.log +npm-debug.log* diff --git a/DESIGN.md b/DESIGN.md new file mode 100644 index 0000000..ad86c93 --- /dev/null +++ b/DESIGN.md @@ -0,0 +1,157 @@ +# MarkLite - 设计文档 + +## 1. 项目概述 + +MarkLite 是一款轻量级的 Windows 本地 Markdown 阅读器桌面应用程序。基于 Electron 框架构建，提供简洁现代的用户界面，支持 Markdown 文件的打开、编辑和实时预览。 + +## 2. 技术架构 + +### 2.1 技术栈 + +| 组件 | 技术选型 | 说明 | +|------|----------|------| +| 桌面框架 | Electron | 跨平台桌面应用框架 | +| 前端 | HTML + CSS + JavaScript | 原生前端技术，无框架依赖 | +| Markdown解析 | marked.js v12.0.2 | 高性能 Markdown 解析库 | +| 代码高亮 | highlight.js v11.9.0 | 代码块语法高亮 | +| 打包 | electron-builder | 生成 Windows exe 安装包 | + +### 2.2 进程架构 + +``` +┌─────────────────────────────────────────┐ +│ Main Process (main.js) │ +│ - 窗口管理 │ +│ - 文件系统操作 (fs) │ +│ - 原生菜单 │ +│ - IPC 通信主端 │ +└──────────────┬──────────────────────────┘ + │ IPC (contextBridge) +┌──────────────▼──────────────────────────┐ +│ Preload Script (preload.js) │ +│ - 安全的 API 桥接 │ +│ - exposeInMainWorld │ +└──────────────┬──────────────────────────┘ + │ +┌──────────────▼──────────────────────────┐ +│ Renderer Process (renderer/) │ +│ - UI 渲染 │ +│ - Markdown 编辑与预览 │ +│ - 拖拽文件处理 │ +│ - 快捷键处理 │ +└─────────────────────────────────────────┘ +``` + +## 3. 功能设计 + +### 3.1 核心功能 + +1. **文件打开** + - 菜单栏 → 文件 → 打开（支持 .md / .txt / .markdown） + - 拖拽文件到窗口打开 + - 支持 Windows 文件关联（双击 .md 文件打开） + +2. **文件保存** + - Ctrl+S 快捷键保存 + - 菜单栏 → 文件 → 保存 + - 另存为功能 + +3. **实时预览** + - 左侧编辑器 + 右侧预览（默认模式） + - 纯预览模式（隐藏编辑器） + - 编辑时实时更新预览 + +4. **视图模式** + - 编辑+预览（Split View） + - 纯编辑模式 + - 纯预览模式 + +### 3.2 UI 设计 + +#### 色彩方案 +- **主色调**: #1a73e8（蓝色） +- **背景色**: #ffffff（白色） +- **侧边栏**: #f8f9fa（浅灰） +- **文字色**: #333333（深灰） +- **代码块背景**: #f6f8fa +- **边框色**: #e1e4e8 + +#### 字体 +- **UI字体**: system-ui, -apple-system, "Segoe UI", sans-serif +- **编辑器字体**: "Cascadia Code", "Fira Code", "Consolas", monospace +- **预览字体**: system-ui, -apple-system, "Segoe UI", sans-serif + +#### 布局 +``` +┌──────────────────────────────────────────────┐ +│ 📄 MarkLite - filename.md ─ □ ✕ │ +├──────────────────────────────────────────────┤ +│ 📁 打开 │ 💾 保存 │ 📝 编辑 │ 👁 预览 │ 分屏 │ +├─────────────────┬────────────────────────────┤ +│ │ │ +│ Editor Area │ Preview Area │ +│ │ │ +│ │ │ +│ │ │ +│ │ │ +│ │ │ +├─────────────────┴────────────────────────────┤ +│ 就绪 │ UTF-8 │ Markdown │ 行: 1, 列: 1 │ +└──────────────────────────────────────────────┘ +``` + +## 4. 文件结构 + +``` +MarkLite/ +├── package.json # 项目配置与依赖 +├── main.js # Electron 主进程 +├── preload.js # 预加载脚本（IPC 桥接） +├── renderer/ +│ ├── index.html # 主页面 +│ ├── style.css # 样式表 +│ └── renderer.js # 渲染进程逻辑 +├── lib/ +│ ├── marked.min.js # Markdown 解析库 +│ ├── highlight.min.js # 代码高亮库 +│ └── highlight-github.css # 代码高亮主题 +├── assets/ +│ └── icon.ico # 应用图标 +├── DESIGN.md # 设计文档（本文件） +├── README.md # 项目说明 +└── .gitignore # Git 忽略文件 +``` + +## 5. IPC 通信设计 + +| 通道 | 方向 | 说明 | +|------|------|------| +| `dialog:openFile` | Renderer → Main | 打开文件对话框 | +| `file:read` | Renderer → Main | 读取文件内容 | +| `file:save` | Renderer → Main | 保存文件内容 | +| `file:saveAs` | Renderer → Main | 另存为 | +| `menu:action` | Main → Renderer | 菜单操作通知 | +| `window:setTitle` | Renderer → Main | 设置窗口标题 | + +## 6. Markdown 渲染支持 + +支持标准 Markdown 和 GFM（GitHub Flavored Markdown）： +- 标题（h1-h6） +- 段落、换行 +- **粗体**、*斜体*、~~删除线~~ +- 有序/无序列表 +- 任务列表（- [x]） +- 代码块（围栏式 + 缩进式） +- 行内代码 +- 链接、图片 +- 表格 +- 引用块 +- 水平线 +- HTML 内联 + +## 7. 构建与发布 + +使用 `electron-builder` 打包： +- 输出格式：NSIS 安装包（.exe） +- 目标平台：Windows x64 +- 应用图标：assets/icon.ico diff --git a/README.md b/README.md new file mode 100644 index 0000000..c821a37 --- /dev/null +++ b/README.md @@ -0,0 +1,69 @@ +# MarkLite + +一款轻量级的 Windows 本地 Markdown 阅读器桌面应用程序。 + +## 功能特性 + +- 📝 Markdown 文件打开与编辑 +- 👁 实时预览（编辑+预览 / 纯预览模式） +- 🎨 现代化简洁 UI 设计 +- 📂 支持拖拽打开文件 +- 💾 文件保存功能 +- 🔤 代码语法高亮 +- ⌨️ 快捷键支持 + +## 技术栈 + +- **Electron** - 桌面应用框架 +- **marked.js** - Markdown 解析 +- **highlight.js** - 代码高亮 +- **HTML + CSS + JavaScript** - 前端技术 + +## 开发 + +```bash +# 安装依赖 +npm install + +# 启动开发模式 +npm start +``` + +## 打包 + +```bash +# 打包为 Windows exe 安装包 +npm run build +``` + +## 快捷键 + +| 快捷键 | 功能 | +|--------|------| +| Ctrl+O | 打开文件 | +| Ctrl+S | 保存文件 | +| Ctrl+Shift+S | 另存为 | +| Ctrl+1 | 编辑+预览模式 | +| Ctrl+2 | 纯编辑模式 | +| Ctrl+3 | 纯预览模式 | + +## 项目结构 + +``` +MarkLite/ +├── package.json # 项目配置 +├── main.js # Electron 主进程 +├── preload.js # 预加载脚本 +├── renderer/ # 渲染进程 +│ ├── index.html +│ ├── style.css +│ └── renderer.js +├── lib/ # 第三方库 +├── assets/ # 资源文件 +├── DESIGN.md # 设计文档 +└── README.md # 项目说明 +``` + +## 许可证 + +MIT diff --git a/assets/icon.ico b/assets/icon.ico new file mode 100644 index 0000000000000000000000000000000000000000..391dc8dacbd78fc5186cac04871724c0ccd28c2c GIT binary patch literal 5982 zcmai22{_c>*T1u1EHUhGBC;mC zkadtOG4qb<|Nj2(`##V6KhHDIbMHCld+xbsKA&^%a{+(=YH%PBAOuy;d11Qxb9OQ zsW{^Xm}Bg;sPqzeYBlr%*tbGjBuPG-q>Tvj6N_i+le|#z$f)&9PPeE7Zj_1WPux%tb7_ zX6^zDdab3Zzx1vnQsm<$iw{ra%gTt#eBm~3ce(+PeYtqB=?atFDou|u>dG5Kw3Qr0q4o6r!$Nb zB?IJ72JZXTP_+GbeXy^_pihZLONkytYflBHdm(6h=@-t(ufL7o-?j@AByg;Zj)m`S;mI@Ohje=7H(t~>)@|%fDGfl_{8xXH z$n}MT@Bk5*IwC!VI$F&NK9My|SbvSaoRVb_#YC-@t9Jzj%GNq;YV$<4mZ`0xoKc1JY%IcPcquX309$9xeX^-(%1k7#?clJ2G=O<+6 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if(n=this.tokenizer.html(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.def(e))e=e.substring(n.raw.length),s=t[t.length-1],!s||"paragraph"!==s.type&&"text"!==s.type?this.tokens.links[n.tag]||(this.tokens.links[n.tag]={href:n.href,title:n.title}):(s.raw+="\n"+n.raw,s.text+="\n"+n.raw,this.inlineQueue[this.inlineQueue.length-1].src=s.text);else if(n=this.tokenizer.table(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.lheading(e))e=e.substring(n.raw.length),t.push(n);else{if(r=e,this.options.extensions&&this.options.extensions.startBlock){let t=1/0;const n=e.slice(1);let s;this.options.extensions.startBlock.forEach((e=>{s=e.call({lexer:this},n),"number"==typeof 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+const path = require('path'); +const fs = require('fs'); + +let mainWindow = null; +let currentFilePath = null; + +function createWindow() { + // Create the browser window + mainWindow = new BrowserWindow({ + width: 1200, + height: 800, + minWidth: 800, + minHeight: 600, + icon: path.join(__dirname, 'assets', 'icon.ico'), + webPreferences: { + preload: path.join(__dirname, 'preload.js'), + contextIsolation: true, + nodeIntegration: false + }, + titleBarStyle: 'default', + show: false + }); + + // Load the index.html + mainWindow.loadFile(path.join(__dirname, 'renderer', 'index.html')); + + // Show window when ready + mainWindow.once('ready-to-show', () => { + mainWindow.show(); + }); + + // Build menu + buildMenu(); + + mainWindow.on('closed', () => { + mainWindow = null; + }); +} + +function buildMenu() { + const template = [ + { + label: '文件', + submenu: [ + { + label: '打开文件', + accelerator: 'CmdOrCtrl+O', + click: () => handleOpenFile() + }, + { + label: '保存', + accelerator: 'CmdOrCtrl+S', + click: () => mainWindow.webContents.send('menu:save') + }, + { + label: '另存为', + accelerator: 'CmdOrCtrl+Shift+S', + click: () => mainWindow.webContents.send('menu:saveAs') + }, + { type: 'separator' }, + { + label: '退出', + accelerator: 'CmdOrCtrl+Q', + click: () => app.quit() + } + ] + }, + { + label: '视图', + submenu: [ + { + label: '编辑 + 预览', + accelerator: 'CmdOrCtrl+1', + click: () => mainWindow.webContents.send('menu:viewMode', 'split') + }, + { + label: '纯编辑', + accelerator: 'CmdOrCtrl+2', + click: () => mainWindow.webContents.send('menu:viewMode', 'editor') + }, + { + label: '纯预览', + accelerator: 'CmdOrCtrl+3', + click: () => mainWindow.webContents.send('menu:viewMode', 'preview') + }, + { type: 'separator' }, + { + label: '开发者工具', + accelerator: 'F12', + click: () => mainWindow.webContents.toggleDevTools() + }, + { type: 'separator' }, + { + label: '重新加载', + accelerator: 'CmdOrCtrl+R', + click: () => mainWindow.webContents.reload() + } + ] + }, + { + label: '帮助', + submenu: [ + { + label: '关于 MarkLite', + click: () => { + dialog.showMessageBox(mainWindow, { + type: 'info', + title: '关于 MarkLite', + message: 'MarkLite v1.0.0', + detail: '一款轻量级的 Markdown 阅读器。\n\n技术栈：Electron + marked.js + highlight.js' + }); + } + } + ] + } + ]; + + const menu = Menu.buildFromTemplate(template); + Menu.setApplicationMenu(menu); +} + +async function handleOpenFile() { + const result = await dialog.showOpenDialog(mainWindow, { + properties: ['openFile'], + filters: [ + { name: 'Markdown 文件', extensions: ['md', 'markdown', 'txt'] }, + { name: '所有文件', extensions: ['*'] } + ] + }); + + if (!result.canceled && result.filePaths.length > 0) { + openFile(result.filePaths[0]); + } +} + +function openFile(filePath) { + try { + const content = fs.readFileSync(filePath, 'utf-8'); + currentFilePath = filePath; + mainWindow.setTitle(`MarkLite - ${path.basename(filePath)}`); + mainWindow.webContents.send('file:opened', { filePath, content }); + } catch (err) { + dialog.showErrorBox('错误', `无法读取文件: ${err.message}`); + } +} + +// IPC Handlers +ipcMain.handle('dialog:openFile', async () => { + const result = await dialog.showOpenDialog(mainWindow, { + properties: ['openFile'], + filters: [ + { name: 'Markdown 文件', extensions: ['md', 'markdown', 'txt'] }, + { name: '所有文件', extensions: ['*'] } + ] + }); + + if (!result.canceled && result.filePaths.length > 0) { + const filePath = result.filePaths[0]; + const content = fs.readFileSync(filePath, 'utf-8'); + currentFilePath = filePath; + mainWindow.setTitle(`MarkLite - ${path.basename(filePath)}`); + return { filePath, content }; + } + return null; +}); + +ipcMain.handle('file:read', async (event, filePath) => { + try { + const content = fs.readFileSync(filePath, 'utf-8'); + return { success: true, content }; + } catch (err) { + return { success: false, error: err.message }; + } +}); + +ipcMain.handle('file:save', async (event, { filePath, content }) => { + try { + if (filePath) { + fs.writeFileSync(filePath, content, 'utf-8'); + currentFilePath = filePath; + mainWindow.setTitle(`MarkLite - ${path.basename(filePath)}`); + return { success: true, filePath }; + } else { + // No file path, do save as + const result = await dialog.showSaveDialog(mainWindow, { + filters: [ + { name: 'Markdown 文件', extensions: ['md'] }, + { name: '文本文件', extensions: ['txt'] } + ] + }); + if (!result.canceled) { + fs.writeFileSync(result.filePath, content, 'utf-8'); + currentFilePath = result.filePath; + mainWindow.setTitle(`MarkLite - ${path.basename(result.filePath)}`); + return { success: true, filePath: result.filePath }; + } + return { success: false, canceled: true }; + } + } catch (err) { + return { success: false, error: err.message }; + } +}); + +ipcMain.handle('file:saveAs', async (event, { content }) => { + try { + const result = await dialog.showSaveDialog(mainWindow, { + filters: [ + { name: 'Markdown 文件', extensions: ['md'] }, + { name: '文本文件', extensions: ['txt'] } + ] + }); + if (!result.canceled) { + fs.writeFileSync(result.filePath, content, 'utf-8'); + currentFilePath = result.filePath; + mainWindow.setTitle(`MarkLite - ${path.basename(result.filePath)}`); + return { success: true, filePath: result.filePath }; + } + return { success: false, canceled: true }; + } catch (err) { + return { success: false, error: err.message }; + } +}); + +ipcMain.handle('file:getCurrentPath', () => { + return currentFilePath; +}); + +// Handle file open from command line or file association +function handleFileOpen() { + const args = process.argv.slice(1); + if (args.length > 0 && !args[0].startsWith('--')) { + const filePath = args[0]; + if (fs.existsSync(filePath)) { + return filePath; + } + } + return null; +} + +// App lifecycle +app.whenReady().then(() => { + createWindow(); + + // Check for file passed via command line + const fileToOpen = handleFileOpen(); + if (fileToOpen) { + // Wait for window to be ready + mainWindow.webContents.on('did-finish-load', () => { + openFile(fileToOpen); + }); + } + + // Handle macOS open-file event + app.on('open-file', (event, filePath) => { + event.preventDefault(); + if (mainWindow) { + openFile(filePath); + } + }); +}); + +app.on('window-all-closed', () => { + if (process.platform !== 'darwin') { + app.quit(); + } +}); + +app.on('activate', () => { + if (BrowserWindow.getAllWindows().length === 0) { + createWindow(); + } +}); diff --git a/package.json b/package.json new file mode 100644 index 0000000..92853ae --- /dev/null +++ b/package.json @@ -0,0 +1,67 @@ +{ + "name": "marklite", + "version": "1.0.0", + "description": "Lightweight Markdown Reader for Windows", + "main": "main.js", + "scripts": { + "start": "electron .", + "build": "electron-builder --win", + "build:portable": "electron-builder --win portable" + }, + "author": "MarkLite", + "license": "MIT", + "devDependencies": { + "electron": "^28.0.0", + "electron-builder": "^24.9.1" + }, + "build": { + "appId": "com.marklite.app", + "productName": "MarkLite", + "directories": { + "output": "dist" + }, + "files": [ + "main.js", + "preload.js", + "renderer/**/*", + "lib/**/*", + "assets/**/*" + ], + "win": { + "target": [ + { + "target": "nsis", + "arch": ["x64"] + } + ], + "icon": "assets/icon.ico" + }, + "nsis": { + "oneClick": false, + "allowToChangeInstallationDirectory": true, + "createDesktopShortcut": true, + "createStartMenuShortcut": true, + "shortcutName": "MarkLite" + }, + "fileAssociations": [ + { + "ext": "md", + "name": "Markdown", + "description": "Markdown File", + "icon": "assets/icon.ico" + }, + { + "ext": "markdown", + "name": "Markdown", + "description": "Markdown File", + "icon": "assets/icon.ico" + }, + { + "ext": "txt", + "name": "Text", + "description": "Text File", + "icon": "assets/icon.ico" + } + ] + } +} diff --git a/preload.js b/preload.js new file mode 100644 index 0000000..29faeea --- /dev/null +++ b/preload.js @@ -0,0 +1,19 @@ +const { contextBridge, ipcRenderer } = require('electron'); + +contextBridge.exposeInMainWorld('electronAPI', { + // File operations + openFile: () => ipcRenderer.invoke('dialog:openFile'), + readFile: (filePath) => ipcRenderer.invoke('file:read', filePath), + saveFile: (data) => ipcRenderer.invoke('file:save', data), + saveFileAs: (data) => ipcRenderer.invoke('file:saveAs', data), + getCurrentPath: () => ipcRenderer.invoke('file:getCurrentPath'), + + // Menu events + onFileOpened: (callback) => ipcRenderer.on('file:opened', (event, data) => callback(data)), + onMenuSave: (callback) => ipcRenderer.on('menu:save', () => callback()), + onMenuSaveAs: (callback) => ipcRenderer.on('menu:saveAs', () => callback()), + onViewModeChange: (callback) => ipcRenderer.on('menu:viewMode', (event, mode) => callback(mode)), + + // Remove listeners + removeAllListeners: (channel) => ipcRenderer.removeAllListeners(channel) +}); diff --git a/renderer/index.html b/renderer/index.html new file mode 100644 index 0000000..11b579d --- /dev/null +++ b/renderer/index.html @@ -0,0 +1,137 @@ + + + + + + + MarkLite + + + + +
    + +
    +
    + + +
    + + + +
    +
    + + +
    + +
    +
    +
    + +
    +
    + + +
    + + +
    +
    +
    +
    + + +
    +
    + 就绪 +
    +
    + UTF-8 + | + Markdown + | + 行 1, 列 1 +
    +
    + + + + + +
    +
    +
    + + + M↓ + MarkLite + +
    +

    欢迎使用 MarkLite

    +

    一款轻量级的 Markdown 阅读器

    +
    + + +
    +
    +

    💡 提示：可以直接拖拽 .md 文件到窗口打开

    +

    ⌨️ 快捷键：Ctrl+O 打开 | Ctrl+S 保存 | Ctrl+1/2/3 切换视图

    +
    +
    +
    +
    + + + + + + diff --git a/renderer/renderer.js b/renderer/renderer.js new file mode 100644 index 0000000..61ce822 --- /dev/null +++ b/renderer/renderer.js @@ -0,0 +1,441 @@ +// MarkLite Renderer Process +(function () { + 'use strict'; + + // ===== DOM Elements ===== + const editor = document.getElementById('editor'); + const preview = document.getElementById('preview'); + const lineNumbers = document.getElementById('line-numbers'); + const welcomeScreen = document.getElementById('welcome-screen'); + const dropOverlay = document.getElementById('drop-overlay'); + const statusText = document.getElementById('status-text'); + const statusCursor = document.getElementById('status-cursor'); + const resizer = document.getElementById('resizer'); + const editorPanel = document.getElementById('editor-panel'); + const previewPanel = document.getElementById('preview-panel'); + const mainContent = document.getElementById('main-content'); + + // Buttons + const btnOpen = document.getElementById('btn-open'); + const btnSave = document.getElementById('btn-save'); + const btnSplit = document.getElementById('btn-split'); + const btnEditor = document.getElementById('btn-editor'); + const btnPreview = document.getElementById('btn-preview'); + const btnWelcomeOpen = document.getElementById('btn-welcome-open'); + const btnWelcomeNew = document.getElementById('btn-welcome-new'); + + // ===== State ===== + let currentFilePath = null; + let currentContent = ''; + let viewMode = 'split'; // split, editor, preview + let isModified = false; + let updateTimer = null; + + // ===== Initialize marked.js ===== + function initMarked() { + if (typeof marked !== 'undefined') { + marked.setOptions({ + gfm: true, + breaks: true, + pedantic: false, + highlight: function (code, lang) { + if (typeof hljs !== 'undefined' && lang && hljs.getLanguage(lang)) { + try { + return hljs.highlight(code, { language: lang }).value; + } catch (e) { + // fall through + } + } + // Auto detect if no language specified + if (typeof hljs !== 'undefined') { + try { + return hljs.highlightAuto(code).value; + } catch (e) { + // fall through + } + } + return code; + } + }); + } + } + + // ===== Markdown Rendering ===== + function renderMarkdown(text) { + if (typeof marked === 'undefined') { + preview.innerHTML = '

    错误: Markdown 解析库未加载

    '; + return; + } + try { + const html = marked.parse(text); + preview.innerHTML = html; + } catch (e) { + preview.innerHTML = '

    渲染错误: ' + e.message + '

    '; + } + } + + // ===== Line Numbers ===== + function updateLineNumbers() { + const lines = editor.value.split('\n'); + const count = lines.length; + let html = ''; + for (let i = 1; i <= count; i++) { + html += '
    ' + i + '
    '; + } + lineNumbers.innerHTML = html; + } + + // ===== Cursor Position ===== + function updateCursorPosition() { + const text = editor.value; + const pos = editor.selectionStart; + const textBeforeCursor = text.substring(0, pos); + const lines = textBeforeCursor.split('\n'); + const line = lines.length; + const col = lines[lines.length - 1].length + 1; + statusCursor.textContent = `行 ${line}, 列 ${col}`; + } + + // ===== Sync Scroll ===== + function syncScroll() { + if (viewMode !== 'split') return; + const editorEl = editor; + const previewEl = previewPanel; + const scrollPercent = editorEl.scrollTop / (editorEl.scrollHeight - editorEl.clientHeight); + previewEl.scrollTop = scrollPercent * (previewEl.scrollHeight - previewEl.clientHeight); + } + + // ===== Update Preview ===== + function scheduleUpdate() { + if (updateTimer) clearTimeout(updateTimer); + updateTimer = setTimeout(() => { + const text = editor.value; + renderMarkdown(text); + updateLineNumbers(); + }, 150); + } + + // ===== File Operations ===== + function setModified(modified) { + isModified = modified; + const title = currentFilePath + ? `MarkLite - ${getFileName(currentFilePath)}${modified ? ' *' : ''}` + : `MarkLite - 未命名${modified ? ' *' : ''}`; + document.title = title; + } + + function getFileName(filePath) { + return filePath.split(/[/\\]/).pop(); + } + + function setEditorContent(text, filePath) { + editor.value = text; + currentContent = text; + currentFilePath = filePath || null; + isModified = false; + updateLineNumbers(); + renderMarkdown(text); + updateCursorPosition(); + + if (filePath) { + document.title = `MarkLite - ${getFileName(filePath)}`; + statusText.textContent = getFileName(filePath); + } else { + document.title = 'MarkLite - 未命名'; + statusText.textContent = '未命名'; + } + + // Hide welcome screen + welcomeScreen.classList.add('hidden'); + } + + async function handleOpenFile() { + if (typeof window.electronAPI !== 'undefined') { + const result = await window.electronAPI.openFile(); + if (result) { + setEditorContent(result.content, result.filePath); + } + } else { + // Fallback: use file input + const input = document.createElement('input'); + input.type = 'file'; + input.accept = '.md,.markdown,.txt'; + input.onchange = (e) => { + const file = e.target.files[0]; + if (file) { + const reader = new FileReader(); + reader.onload = (ev) => { + setEditorContent(ev.target.result, file.name); + }; + reader.readAsText(file); + } + }; + input.click(); + } + } + + async function handleSave() { + if (typeof window.electronAPI !== 'undefined') { + const result = await window.electronAPI.saveFile({ + filePath: currentFilePath, + content: editor.value + }); + if (result.success) { + currentFilePath = result.filePath; + currentContent = editor.value; + setModified(false); + statusText.textContent = '已保存'; + setTimeout(() => { + statusText.textContent = getFileName(currentFilePath) || '就绪'; + }, 2000); + } + } else { + // Fallback: download file + const blob = new Blob([editor.value], { type: 'text/markdown' }); + const a = document.createElement('a'); + a.href = URL.createObjectURL(blob); + a.download = (currentFilePath || 'untitled.md'); + a.click(); + URL.revokeObjectURL(a.href); + setModified(false); + } + } + + async function handleSaveAs() { + if (typeof window.electronAPI !== 'undefined') { + const result = await window.electronAPI.saveFileAs({ + content: editor.value + }); + if (result.success) { + currentFilePath = result.filePath; + currentContent = editor.value; + setModified(false); + statusText.textContent = '已保存'; + setTimeout(() => { + statusText.textContent = getFileName(currentFilePath) || '就绪'; + }, 2000); + } + } else { + handleSave(); + } + } + + // ===== View Mode ===== + function setViewMode(mode) { + viewMode = mode; + const app = document.getElementById('app'); + + // Remove all mode classes + app.classList.remove('mode-editor', 'mode-preview'); + + // Update button states + btnSplit.classList.remove('active'); + btnEditor.classList.remove('active'); + btnPreview.classList.remove('active'); + + switch (mode) { + case 'split': + btnSplit.classList.add('active'); + break; + case 'editor': + btnEditor.classList.add('active'); + app.classList.add('mode-editor'); + break; + case 'preview': + btnPreview.classList.add('active'); + app.classList.add('mode-preview'); + // Update preview when switching to preview mode + renderMarkdown(editor.value); + break; + } + } + + // ===== Resizer ===== + let isResizing = false; + + function initResizer() { + resizer.addEventListener('mousedown', (e) => { + isResizing = true; + resizer.classList.add('active'); + document.body.style.cursor = 'col-resize'; + document.body.style.userSelect = 'none'; + e.preventDefault(); + }); + + document.addEventListener('mousemove', (e) => { + if (!isResizing) return; + const containerRect = mainContent.getBoundingClientRect(); + const percentage = ((e.clientX - containerRect.left) / containerRect.width) * 100; + const clamped = Math.max(20, Math.min(80, percentage)); + editorPanel.style.flex = `0 0 ${clamped}%`; + previewPanel.style.flex = `0 0 ${100 - clamped}%`; + }); + + document.addEventListener('mouseup', () => { + if (isResizing) { + isResizing = false; + resizer.classList.remove('active'); + document.body.style.cursor = ''; + document.body.style.userSelect = ''; + } + }); + } + + // ===== Drag & Drop ===== + function initDragDrop() { + let dragCounter = 0; + + document.addEventListener('dragenter', (e) => { + e.preventDefault(); + dragCounter++; + dropOverlay.classList.remove('hidden'); + }); + + document.addEventListener('dragleave', (e) => { + e.preventDefault(); + dragCounter--; + if (dragCounter === 0) { + dropOverlay.classList.add('hidden'); + } + }); + + document.addEventListener('dragover', (e) => { + e.preventDefault(); + }); + + document.addEventListener('drop', (e) => { + e.preventDefault(); + dragCounter = 0; + dropOverlay.classList.add('hidden'); + + const files = e.dataTransfer.files; + if (files.length > 0) { + const file = files[0]; + const reader = new FileReader(); + reader.onload = (ev) => { + setEditorContent(ev.target.result, file.name); + }; + reader.readAsText(file); + } + }); + } + + // ===== Keyboard Shortcuts ===== + function initKeyboard() { + document.addEventListener('keydown', (e) => { + // Ctrl+O: Open + if (e.ctrlKey && e.key === 'o') { + e.preventDefault(); + handleOpenFile(); + } + // Ctrl+S: Save + if (e.ctrlKey && e.key === 's' && !e.shiftKey) { + e.preventDefault(); + handleSave(); + } + // Ctrl+Shift+S: Save As + if (e.ctrlKey && e.shiftKey && e.key === 'S') { + e.preventDefault(); + handleSaveAs(); + } + // Ctrl+1: Split view + if (e.ctrlKey && e.key === '1') { + e.preventDefault(); + setViewMode('split'); + } + // Ctrl+2: Editor only + if (e.ctrlKey && e.key === '2') { + e.preventDefault(); + setViewMode('editor'); + } + // Ctrl+3: Preview only + if (e.ctrlKey && e.key === '3') { + e.preventDefault(); + setViewMode('preview'); + } + }); + } + + // ===== Tab key support in editor ===== + function initEditorTab() { + editor.addEventListener('keydown', (e) => { + if (e.key === 'Tab') { + e.preventDefault(); + const start = editor.selectionStart; + const end = editor.selectionEnd; + const value = editor.value; + editor.value = value.substring(0, start) + ' ' + value.substring(end); + editor.selectionStart = editor.selectionEnd = start + 4; + scheduleUpdate(); + } + }); + } + + // ===== Event Listeners ===== + function initEventListeners() { + // Editor input + editor.addEventListener('input', () => { + setModified(true); + scheduleUpdate(); + }); + + // Editor scroll sync + editor.addEventListener('scroll', syncScroll); + + // Editor cursor position + editor.addEventListener('click', updateCursorPosition); + editor.addEventListener('keyup', updateCursorPosition); + editor.addEventListener('select', updateCursorPosition); + + // Toolbar buttons + btnOpen.addEventListener('click', handleOpenFile); + btnSave.addEventListener('click', handleSave); + btnSplit.addEventListener('click', () => setViewMode('split')); + btnEditor.addEventListener('click', () => setViewMode('editor')); + btnPreview.addEventListener('click', () => setViewMode('preview')); + + // Welcome buttons + btnWelcomeOpen.addEventListener('click', handleOpenFile); + btnWelcomeNew.addEventListener('click', () => { + setEditorContent('', null); + }); + + // Electron IPC events + if (typeof window.electronAPI !== 'undefined') { + window.electronAPI.onFileOpened((data) => { + setEditorContent(data.content, data.filePath); + }); + + window.electronAPI.onMenuSave(() => { + handleSave(); + }); + + window.electronAPI.onMenuSaveAs(() => { + handleSaveAs(); + }); + + window.electronAPI.onViewModeChange((mode) => { + setViewMode(mode); + }); + } + } + + // ===== Initialize ===== + function init() { + initMarked(); + initResizer(); + initDragDrop(); + initKeyboard(); + initEditorTab(); + initEventListeners(); + updateLineNumbers(); + setViewMode('split'); + } + + // Run when DOM is ready + if (document.readyState === 'loading') { + document.addEventListener('DOMContentLoaded', init); + } else { + init(); + } +})(); diff --git a/renderer/style.css b/renderer/style.css new file mode 100644 index 0000000..cc0b971 --- /dev/null +++ b/renderer/style.css @@ -0,0 +1,548 @@ +/* ===== Reset & Base ===== */ +* { + margin: 0; + padding: 0; + box-sizing: border-box; +} + +:root { + --primary: #1a73e8; + --primary-light: #e8f0fe; + --primary-dark: #1557b0; + --bg: #ffffff; + --bg-secondary: #f8f9fa; + --bg-tertiary: #f1f3f4; + --text: #333333; + --text-secondary: #5f6368; + --text-tertiary: #9aa0a6; + --border: #e1e4e8; + --border-light: #f0f0f0; + --code-bg: #f6f8fa; + --shadow: 0 1px 3px rgba(0, 0, 0, 0.08); + --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1); + --radius: 6px; + --toolbar-height: 44px; + --statusbar-height: 28px; + --font-ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; + --font-mono: "Cascadia Code", "Fira Code", "JetBrains Mono", Consolas, "Courier New", monospace; +} + +html, body { + height: 100%; + font-family: var(--font-ui); + font-size: 14px; + color: var(--text); + background: var(--bg); + overflow: hidden; + user-select: none; +} + +#app { + display: flex; + flex-direction: column; + height: 100vh; +} + +/* ===== Toolbar ===== */ +#toolbar { + height: var(--toolbar-height); + background: var(--bg); + border-bottom: 1px solid var(--border); + display: flex; + align-items: center; + padding: 0 8px; + flex-shrink: 0; + z-index: 10; +} + +.toolbar-left { + display: flex; + align-items: center; + gap: 2px; +} + +.toolbar-btn { + display: flex; + align-items: center; + gap: 5px; + padding: 6px 12px; + border: none; + background: transparent; + color: var(--text-secondary); + font-size: 13px; + font-family: var(--font-ui); + border-radius: var(--radius); + cursor: pointer; + transition: all 0.15s ease; + white-space: nowrap; +} + +.toolbar-btn:hover { + background: var(--bg-tertiary); + color: var(--text); +} + +.toolbar-btn.active { + background: var(--primary-light); + color: var(--primary); +} + +.toolbar-btn svg { + flex-shrink: 0; +} + +.toolbar-divider { + width: 1px; + height: 24px; + background: var(--border); + margin: 0 6px; +} + +/* ===== Main Content ===== */ +#main-content { + flex: 1; + display: flex; + overflow: hidden; + position: relative; +} + +/* ===== Editor Panel ===== */ +#editor-panel { + flex: 1; + display: flex; + flex-direction: column; + min-width: 0; + border-right: 1px solid var(--border); +} + +#editor-wrapper { + flex: 1; + display: flex; + overflow: hidden; + position: relative; +} + +#line-numbers { + width: 50px; + background: var(--bg-secondary); + border-right: 1px solid var(--border-light); + padding: 12px 0; + text-align: right; + font-family: var(--font-mono); + font-size: 13px; + line-height: 1.6; + color: var(--text-tertiary); + overflow: hidden; + user-select: none; + flex-shrink: 0; +} + +#line-numbers .line-num { + padding-right: 12px; + height: 20.8px; +} + +#editor { + flex: 1; + width: 100%; + padding: 12px 16px; + border: none; + outline: none; + resize: none; + font-family: var(--font-mono); + font-size: 13px; + line-height: 1.6; + color: var(--text); + background: var(--bg); + tab-size: 4; + overflow-y: auto; + user-select: text; +} + +#editor::placeholder { + color: var(--text-tertiary); +} + +/* ===== Resizer ===== */ +#resizer { + width: 4px; + background: var(--border); + cursor: col-resize; + transition: background 0.15s ease; + flex-shrink: 0; +} + +#resizer:hover, +#resizer.active { + background: var(--primary); +} + +/* ===== Preview Panel ===== */ +#preview-panel { + flex: 1; + overflow-y: auto; + min-width: 0; + background: var(--bg); +} + +#preview { + padding: 24px 32px; + max-width: 900px; + margin: 0 auto; +} + +/* ===== Markdown Body Styles ===== */ +.markdown-body { + font-family: var(--font-ui); + font-size: 15px; + line-height: 1.7; + color: var(--text); + word-wrap: break-word; +} + +.markdown-body h1, +.markdown-body h2, +.markdown-body h3, +.markdown-body h4, +.markdown-body h5, +.markdown-body h6 { + margin-top: 24px; + margin-bottom: 16px; + font-weight: 600; + line-height: 1.25; + color: var(--text); +} + +.markdown-body h1 { + font-size: 2em; + padding-bottom: 0.3em; + border-bottom: 1px solid var(--border); +} + +.markdown-body h2 { + font-size: 1.5em; + padding-bottom: 0.3em; + border-bottom: 1px solid var(--border-light); +} + +.markdown-body h3 { font-size: 1.25em; } +.markdown-body h4 { font-size: 1em; } +.markdown-body h5 { font-size: 0.875em; } +.markdown-body h6 { font-size: 0.85em; color: var(--text-secondary); } + +.markdown-body p { + margin-top: 0; + margin-bottom: 16px; +} + +.markdown-body a { + color: var(--primary); + text-decoration: none; +} + +.markdown-body a:hover { + text-decoration: underline; +} + +.markdown-body strong { font-weight: 600; } + +.markdown-body img { + max-width: 100%; + height: auto; + border-radius: var(--radius); + margin: 8px 0; +} + +.markdown-body hr { + height: 2px; + background: var(--border); + border: none; + margin: 24px 0; + border-radius: 1px; +} + +.markdown-body blockquote { + margin: 0 0 16px 0; + padding: 4px 16px; + border-left: 4px solid var(--primary); + color: var(--text-secondary); + background: var(--bg-secondary); + border-radius: 0 var(--radius) var(--radius) 0; +} + +.markdown-body blockquote p:last-child { + margin-bottom: 0; +} + +.markdown-body ul, +.markdown-body ol { + margin-top: 0; + margin-bottom: 16px; + padding-left: 2em; +} + +.markdown-body li { + margin-top: 4px; +} + +.markdown-body li + li { + margin-top: 4px; +} + +.markdown-body code { + font-family: var(--font-mono); + font-size: 0.9em; + background: var(--code-bg); + padding: 2px 6px; + border-radius: 4px; + color: #e83e8c; +} + +.markdown-body pre { + margin-top: 0; + margin-bottom: 16px; + padding: 16px; + background: var(--code-bg); + border-radius: var(--radius); + overflow-x: auto; + border: 1px solid var(--border-light); +} + +.markdown-body pre code { + padding: 0; + background: transparent; + color: inherit; + font-size: 13px; + line-height: 1.5; +} + +.markdown-body table { + border-collapse: collapse; + width: 100%; + margin-bottom: 16px; + overflow-x: auto; + display: block; +} + +.markdown-body table th, +.markdown-body table td { + padding: 8px 16px; + border: 1px solid var(--border); + text-align: left; +} + +.markdown-body table th { + font-weight: 600; + background: var(--bg-secondary); +} + +.markdown-body table tr:nth-child(even) { + background: var(--bg-secondary); +} + +.markdown-body input[type="checkbox"] { + margin-right: 6px; + accent-color: var(--primary); +} + +/* ===== Status Bar ===== */ +#statusbar { + height: var(--statusbar-height); + background: var(--bg-secondary); + border-top: 1px solid var(--border); + display: flex; + align-items: center; + justify-content: space-between; + padding: 0 12px; + font-size: 12px; + color: var(--text-secondary); + flex-shrink: 0; +} + +.status-left, +.status-right { + display: flex; + align-items: center; + gap: 8px; +} + +.status-divider { + color: var(--border); +} + +/* ===== Drop Overlay ===== */ +#drop-overlay { + position: fixed; + top: 0; + left: 0; + right: 0; + bottom: 0; + background: rgba(26, 115, 232, 0.1); + backdrop-filter: blur(4px); + display: flex; + align-items: center; + justify-content: center; + z-index: 1000; + border: 3px dashed var(--primary); + margin: 8px; + border-radius: 12px; +} + +#drop-overlay.hidden { + display: none; +} + +.drop-content { + text-align: center; + color: var(--primary); +} + +.drop-content svg { + margin-bottom: 12px; + opacity: 0.7; +} + +.drop-content p { + font-size: 18px; + font-weight: 500; +} + +/* ===== Welcome Screen ===== */ +#welcome-screen { + position: absolute; + top: 0; + left: 0; + right: 0; + bottom: 0; + display: flex; + align-items: center; + justify-content: center; + background: var(--bg); + z-index: 5; +} + +#welcome-screen.hidden { + display: none; +} + +.welcome-content { + text-align: center; + max-width: 480px; + padding: 40px; +} + +.welcome-icon { + margin-bottom: 24px; +} + +.welcome-content h1 { + font-size: 28px; + font-weight: 600; + color: var(--text); + margin-bottom: 8px; +} + +.welcome-content > p { + font-size: 16px; + color: var(--text-secondary); + margin-bottom: 32px; +} + +.welcome-actions { + display: flex; + gap: 12px; + justify-content: center; + margin-bottom: 32px; +} + +.welcome-btn { + display: flex; + align-items: center; + gap: 8px; + padding: 10px 24px; + border: none; + border-radius: var(--radius); + font-size: 14px; + font-family: var(--font-ui); + font-weight: 500; + cursor: pointer; + transition: all 0.15s ease; +} + +.welcome-btn.primary { + background: var(--primary); + color: white; +} + +.welcome-btn.primary:hover { + background: var(--primary-dark); + box-shadow: var(--shadow-lg); +} + +.welcome-btn.secondary { + background: var(--bg-secondary); + color: var(--text); + border: 1px solid var(--border); +} + +.welcome-btn.secondary:hover { + background: var(--bg-tertiary); +} + +.welcome-tips { + text-align: left; + background: var(--bg-secondary); + border-radius: var(--radius); + padding: 16px 20px; + border: 1px solid var(--border-light); +} + +.welcome-tips p { + font-size: 13px; + color: var(--text-secondary); + margin-bottom: 6px; +} + +.welcome-tips p:last-child { + margin-bottom: 0; +} + +/* ===== View Modes ===== */ +#app.mode-editor #preview-panel, +#app.mode-editor #resizer { + display: none; +} + +#app.mode-preview #editor-panel, +#app.mode-preview #resizer { + display: none; +} + +/* ===== Scrollbar ===== */ +::-webkit-scrollbar { + width: 8px; + height: 8px; +} + +::-webkit-scrollbar-track { + background: transparent; +} + +::-webkit-scrollbar-thumb { + background: var(--border); + border-radius: 4px; +} + +::-webkit-scrollbar-thumb:hover { + background: var(--text-tertiary); +} + +/* ===== Animations ===== */ +@keyframes fadeIn { + from { opacity: 0; transform: translateY(8px); } + to { opacity: 1; transform: translateY(0); } +} + +.welcome-content { + animation: fadeIn 0.3s ease; +}