Hotkeys Module for HumHub

The Hotkeys module provides a comprehensive reference of keyboard shortcuts available in HumHub's ProseMirror-based rich text editor. It displays an organized, categorized list of all available shortcuts to help users discover formatting commands and navigate the editor more efficiently.

Features

• Comprehensive shortcut reference – Displays all available ProseMirror hotkeys in HumHub's rich text editor
• Categorized interface – Shortcuts organized by function (Text Formatting, Structure, Lists & Blocks, etc.)
• Keyboard-accessible – Quick access via Alt+Shift+? keyboard shortcut
• Clean, modal interface – Organized display with visual categories and descriptions
• Responsive design – Optimized for both desktop and mobile viewing
• Cross-platform support – Handles Windows/Linux (Ctrl) and Mac (Cmd) key differences
• No configuration required – Works out of the box

How to Access

Keyboard Shortcut: Press Alt+Shift+? from anywhere in HumHub to display the shortcuts modal

Available Shortcuts

Text Formatting

• Mod+B – Toggle bold text
• Mod+I – Toggle italic text

Text Structure

• Mod+Shift+1 – Heading 1
• Mod+Shift+2 – Heading 2
• Mod+Shift+3 – Heading 3
• Mod+Shift+4 – Heading 4
• Mod+Shift+5 – Normal text
• Mod+Shift+6 – Heading 5

Lists & Blocks

• Mod+Shift+8 – Bullet list
• Mod+Shift+9 – Ordered list
• Mod+Shift+> – Blockquote
• Mod+Shift+\ – Code block
• Shift+Tab – Outdent list item

Navigation & History

• Mod+Z – Undo
• Mod+Y – Redo
• Tab – Next cell in table
• Shift+Tab – Previous cell in table

Special Actions

• Mod+Enter – Hard line break
• Shift+Enter – Soft line break
• Ctrl+S / Cmd+S – Submit post/comment
• @ – Mention user (type @username)
• Alt+Shift+? – Show keyboard shortcuts modal

Key Notes

• "Mod" refers to Ctrl on Windows/Linux and Cmd on Mac
• Shortcuts work within HumHub's rich text editor contexts
• Ctrl+S/Cmd+S for form submission works globally across HumHub
• Table navigation shortcuts are available when using tables in the editor