Keys

mido is keyboard first and vim-flavored. The mouse works too: the wheel scrolls, and a click follows a link or selects a row in a panel. Press ? or h inside mido for the same list, grouped the same way.

Search is smart-case: a lowercase query matches any case, and a query with a capital letter matches exactly. Before 1.0 a minor release may change keys, and every change is listed in the changelog.

The tables below are generated from the keymap in the source, so they cannot drift from what the binary does.

Reading

Key	Action
`j` / `k`, `↓` / `↑`, wheel	Scroll one line
`Ctrl-d` / `Ctrl-u`	Half page down / up
`Ctrl-f` / `Ctrl-b`, `Space`	Page down / up
`g` / `G`	Top / bottom
`t`	Table of contents
`i`	Show or hide images
`m`	Expand or collapse the front matter
`r`	Reload the file

Panels and focus

Key	Action
`b` / `o`	Toggle the files / outline panel
`f`	Focus mode: hide the panels, full width
`Tab` / `Shift-Tab`	Cycle focus between the panes
`Tab` then `←` / `→`	Move focus in that direction
`l`	Focus the pane to the right
`j` / `k`, `↓` / `↑` in a panel	Move, Enter opens or returns
`Space`, `←` / `→` in a panel	Fold, collapse / expand a folder or section
`-` / `=` in a panel	Fold all / unfold all
`T` in the files panel	Show titles instead of file names

Links and history

Key	Action
`]` / `[`	Select the next / previous link
`Enter`, click	Follow the selected link or open a footnote
`H` / `L`	Back / forward through visited pages
`Ctrl-p`	Find a file in the folder
`y`	Copy the selected link or a code block

Search and editing

Key	Action
`/`	Search, Enter to keep, Esc to cancel
`F`	Search every file in the folder
`n` / `N`	Next / previous match
`e`	Edit the file in mido
`v`	Edit with a live preview
`s`	In the split, sync scrolling on or off
`<` / `>`	In the split, editor narrower / wider
`E`	Edit the file in $EDITOR, reload on return

Help and quit

Key	Action
`?`, `h`	This help
`q`	Quit

In the editor

Key	Action
`Ctrl-s`	Save
`F1`	This help
`Esc`	Back to reading, or to the preview
`Ctrl-z` / `Ctrl-y`	Undo / redo
`Ctrl-x` / `Ctrl-c`	Cut / copy the selection
`Ctrl-v`	Paste
`Ctrl-a`	Select everything
`Ctrl-f`	Find in the file, Enter keeps, Esc cancels
`Ctrl-n` / `Ctrl-p`	Next / previous match
`Ctrl-t`	Check a task, or make the line one
`Ctrl-e`	Show or hide the live preview
`Shift` with a move	Select, and so does a drag
`Ctrl-←` / `Ctrl-→`	Word left / right, or Alt-b / Alt-f
`Ctrl-↑` / `Ctrl-↓`	Paragraph up / down
`Home` / `End`	Line start / end
`Ctrl-Home` / `Ctrl-End`	Top / bottom
`Alt-Backspace`	Delete a word back, or Ctrl-w
`Alt-Delete`	Delete a word forward
`Enter`	New line, continuing a list, task or quote
`Tab` / `Shift-Tab`	Nest a list item deeper / shallower
Backtick, `*`	Typed in pairs, or wrap the selection

Remapping

Every key above that is not fixed can be bound in the [keys] table of the config file. An action listed there loses its default keys, and a key it takes is removed from the action that had it. An empty list unbinds the action.

[keys]
scroll_down = ["j", "down", "ctrl-n"]
quit = ["q", "ctrl-q"]
images = []

Keys are written as a single character, which keeps its case, a name (space, enter, esc, tab, backspace, up, down, left, right, pageup, pagedown, home, end, f1 to f12), or either with a ctrl- or alt- prefix. Esc, Tab, Ctrl-c and the panel keys are fixed. Enter, PgDn, PgUp, Home and End scroll, page and jump unless a binding takes them.

The editor's actions have keys of their own, apart from the reader's, so ctrl-f finds in the editor and pages down in the reader. They need a ctrl- or alt- prefix or a named key, since a plain letter types, and in the editor Ctrl-c copies.

Action	Default	What it does
`scroll_down`	`j`, `↓`	Scroll down one line, move down in a panel or list
`scroll_up`	`k`, `↑`	Scroll up one line, move up in a panel or list
`half_page_down`	`Ctrl-d`	Half page down
`half_page_up`	`Ctrl-u`	Half page up
`page_down`	`Ctrl-f`, `Space`	Page down
`page_up`	`Ctrl-b`	Page up
`top`	`g`	Go to the top
`bottom`	`G`	Go to the bottom
`toc`	`t`	Table of contents
`images`	`i`	Show or hide images
`front_matter`	`m`	Expand or collapse the front matter
`reload`	`r`	Reload the file
`files`	`b`	Toggle the files panel
`outline`	`o`	Toggle the outline panel
`focus_mode`	`f`	Focus mode
`focus_right`	`l`	Focus the pane to the right
`next_link`	`]`	Select the next link
`prev_link`	`[`	Select the previous link
`back`	`H`	Back through visited pages
`forward`	`L`	Forward through visited pages
`finder`	`Ctrl-p`	Find a file in the folder
`yank`	`y`	Copy the selected link, or a code block on screen
`search_files`	`F`	Search every file in the folder
`search`	`/`	Search
`next_match`	`n`	Next match
`prev_match`	`N`	Previous match
`edit`	`E`	Edit the file in $EDITOR
`editor`	`e`	Edit the file in mido's own editor
`split`	`v`	Edit with a live preview, or close the preview
`sync`	`s`	In the split, scroll the editor and preview together or apart
`split_narrower`	`<`	In the split, give the editor less room
`split_wider`	`>`	In the split, give the editor more room
`help`	`?`, `h`	Key help
`quit`	`q`	Quit
`save`	`Ctrl-s`	Save the file
`undo`	`Ctrl-z`	Undo
`redo`	`Ctrl-y`	Redo
`cut`	`Ctrl-x`	Cut the selection
`copy`	`Ctrl-c`	Copy the selection, to the system clipboard too
`paste`	`Ctrl-v`	Paste what was cut or copied
`select_all`	`Ctrl-a`	Select everything
`find`	`Ctrl-f`	Find in the file
`find_next`	`Ctrl-n`	Next match
`find_prev`	`Ctrl-p`	Previous match
`toggle_task`	`Ctrl-t`	Check or uncheck a task, or make the line one
`preview`	`Ctrl-e`	Show or hide the live preview beside the editor