Release v1.2.0: Major feature additions

- Add PowerPoint export (PPTX/ODP) with slide-level formatting
- Add comprehensive document conversion menu with import/export
- Add interactive table creation helper in markdown editor
- Update documentation with all new features and version history
- Improve menu organization for better user experience

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/index.html

@@ -59,6 +59,15 @@
                     <path d="M15 21c3 0 7-1 7-8V5c0-1.25-.757-2.017-2-2h-4c-1.25 0-2 .75-2 1.972V11c0 1.25.75 2 2 2h.75c0 2.25.25 4-2.75 4v3c0 1 0 1 1 1z"></path>
                 </svg>
             </button>
+            <button id="btn-table" title="Insert Table">
+                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+                    <rect x="3" y="3" width="18" height="18" rx="2" ry="2"></rect>
+                    <line x1="3" y1="9" x2="21" y2="9"></line>
+                    <line x1="3" y1="15" x2="21" y2="15"></line>
+                    <line x1="9" y1="3" x2="9" y2="21"></line>
+                    <line x1="15" y1="3" x2="15" y2="21"></line>
+                </svg>
+            </button>
             <div class="toolbar-separator"></div>
             <button id="btn-preview-toggle" title="Toggle Preview">
                 <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">

src/main.js

@@ -87,6 +87,9 @@ function createMenu() {
             { label: 'ODT', click: () => exportFile('odt') },
             { label: 'EPUB', click: () => exportFile('epub') },
             { type: 'separator' },
+            { label: 'PowerPoint (PPTX)', click: () => exportFile('pptx') },
+            { label: 'OpenDocument Presentation (ODP)', click: () => exportFile('odp') },
+            { type: 'separator' },
             { label: 'Excel (XLSX)', click: () => exportSpreadsheet('xlsx') },
             { label: 'Excel Legacy (XLS)', click: () => exportSpreadsheet('xls') },
             { label: 'OpenDocument Spreadsheet (ODS)', click: () => exportSpreadsheet('ods') }
@@ -112,6 +115,32 @@ function createMenu() {
         { label: 'Select All', accelerator: 'CmdOrCtrl+A', role: 'selectAll' }
       ]
     },
+    {
+      label: 'Convert',
+      submenu: [
+        {
+          label: 'Import Document...',
+          accelerator: 'CmdOrCtrl+I',
+          click: importDocument
+        },
+        { type: 'separator' },
+        {
+          label: 'Convert Current File',
+          submenu: [
+            { label: 'To Markdown', click: () => convertToFormat('md') },
+            { label: 'To HTML', click: () => convertToFormat('html') },
+            { label: 'To PDF', click: () => convertToFormat('pdf') },
+            { label: 'To DOCX', click: () => convertToFormat('docx') },
+            { label: 'To LaTeX', click: () => convertToFormat('latex') },
+            { label: 'To RTF', click: () => convertToFormat('rtf') },
+            { label: 'To ODT', click: () => convertToFormat('odt') },
+            { label: 'To EPUB', click: () => convertToFormat('epub') },
+            { label: 'To PPTX', click: () => convertToFormat('pptx') },
+            { label: 'To ODP', click: () => convertToFormat('odp') }
+          ]
+        }
+      ]
+    },
     {
       label: 'View',
       submenu: [
@@ -238,6 +267,78 @@ function exportSpreadsheet(format) {
   mainWindow.webContents.send('get-content-for-spreadsheet', format);
 }
 
+function importDocument() {
+  const files = dialog.showOpenDialogSync(mainWindow, {
+    properties: ['openFile'],
+    filters: [
+      { name: 'Documents', extensions: ['docx', 'odt', 'rtf', 'html', 'tex', 'epub', 'pdf'] },
+      { name: 'Presentations', extensions: ['pptx', 'odp'] },
+      { name: 'All Files', extensions: ['*'] }
+    ]
+  });
+
+  if (files && files[0]) {
+    const inputFile = files[0];
+    const outputFile = inputFile.replace(/\.[^/.]+$/, '.md');
+    
+    // Convert to markdown using pandoc
+    const pandocCmd = `pandoc "${inputFile}" -t markdown -o "${outputFile}"`;
+    
+    exec(pandocCmd, (error, stdout, stderr) => {
+      if (error) {
+        dialog.showErrorBox('Import Error', `Failed to import: ${error.message}\n\nMake sure Pandoc is installed.`);
+      } else {
+        // Open the converted markdown file
+        currentFile = outputFile;
+        const content = fs.readFileSync(outputFile, 'utf-8');
+        mainWindow.webContents.send('file-opened', { path: outputFile, content });
+        
+        dialog.showMessageBox(mainWindow, {
+          type: 'info',
+          title: 'Import Complete',
+          message: `Document imported successfully as ${outputFile}`,
+          buttons: ['OK']
+        });
+      }
+    });
+  }
+}
+
+function convertToFormat(format) {
+  if (!currentFile) {
+    dialog.showErrorBox('Error', 'Please save or open a file first');
+    return;
+  }
+
+  const outputFile = dialog.showSaveDialogSync(mainWindow, {
+    defaultPath: currentFile.replace(/\.[^/.]+$/, `.${format}`),
+    filters: [
+      { name: format.toUpperCase(), extensions: [format] }
+    ]
+  });
+
+  if (outputFile) {
+    // For presentations, add slide level for better conversion
+    let pandocCmd = `pandoc "${currentFile}" -o "${outputFile}"`;
+    if (format === 'pptx' || format === 'odp') {
+      pandocCmd = `pandoc "${currentFile}" --slide-level=2 -o "${outputFile}"`;
+    }
+    
+    exec(pandocCmd, (error, stdout, stderr) => {
+      if (error) {
+        dialog.showErrorBox('Conversion Error', `Failed to convert: ${error.message}\n\nMake sure Pandoc is installed.`);
+      } else {
+        dialog.showMessageBox(mainWindow, {
+          type: 'info',
+          title: 'Conversion Complete',
+          message: `File converted successfully to ${outputFile}`,
+          buttons: ['OK']
+        });
+      }
+    });
+  }
+}
+
 function setTheme(theme) {
   store.set('theme', theme);
   mainWindow.webContents.send('theme-changed', theme);

src/renderer.js

@@ -60,8 +60,64 @@ document.getElementById('btn-link').addEventListener('click', () => insertMarkdo
 document.getElementById('btn-code').addEventListener('click', () => insertMarkdown('`', '`'));
 document.getElementById('btn-list').addEventListener('click', () => insertMarkdown('- ', ''));
 document.getElementById('btn-quote').addEventListener('click', () => insertMarkdown('> ', ''));
+document.getElementById('btn-table').addEventListener('click', insertTable);
 document.getElementById('btn-preview-toggle').addEventListener('click', togglePreview);
 
+// Table insertion function
+function insertTable() {
+    const rows = prompt('Number of rows:', '3');
+    const cols = prompt('Number of columns:', '3');
+    
+    if (!rows || !cols) return;
+    
+    const numRows = parseInt(rows);
+    const numCols = parseInt(cols);
+    
+    if (isNaN(numRows) || isNaN(numCols) || numRows < 1 || numCols < 1) {
+        alert('Please enter valid numbers for rows and columns');
+        return;
+    }
+    
+    let table = '\n';
+    
+    // Header row
+    table += '|';
+    for (let j = 0; j < numCols; j++) {
+        table += ` Header ${j + 1} |`;
+    }
+    table += '\n';
+    
+    // Separator row
+    table += '|';
+    for (let j = 0; j < numCols; j++) {
+        table += ' --- |';
+    }
+    table += '\n';
+    
+    // Data rows
+    for (let i = 0; i < numRows; i++) {
+        table += '|';
+        for (let j = 0; j < numCols; j++) {
+            table += ` Cell ${i + 1}-${j + 1} |`;
+        }
+        table += '\n';
+    }
+    table += '\n';
+    
+    // Insert table at cursor position
+    const start = editor.selectionStart;
+    const end = editor.selectionEnd;
+    
+    editor.value = editor.value.substring(0, start) + table + editor.value.substring(end);
+    
+    // Set cursor after the table
+    editor.selectionStart = editor.selectionEnd = start + table.length;
+    editor.focus();
+    
+    // Trigger input event
+    editor.dispatchEvent(new Event('input'));
+}
+
 // Markdown insertion helper
 function insertMarkdown(before, after) {
     const start = editor.selectionStart;