doc/config.md


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# Configuration

Currently keybindings and a user stylesheet can be configured.

twt will look for a config file in the ~/.config/twt/ directory, so you can
just copy the one from res/ there and customize that to your liking.

A list of configurable options follows.

## Stylesheets

To set a user stylesheet, use the format `stylesheet "path-to-user.css"`.
Relative paths are interpreted as relative to the config directory.

For now, specifying a second stylesheet will override the first one.

## Keybindings
"Normal" (default pager browsing) mode keybindings are configured using the
syntax

	nmap <keybinding> <action>

Similarly, "Line-edit" (line editing) mode keybindings are configured
using the syntax

	lemap <keybinding> <action>

Where `<keybinding>` is a combination of unicode characters with or without
modifiers. Modifiers are the prefixes `C-` and `M-`, which add control or
escape to the keybinding respectively (essentially making `M-` the same as
`C-[`).

`<action>` is a valid normal or line-edit mode action. A detailed
description of these follows.

### Normal mode actions

<table>
<tr><th>**Name**<th>**Function**
<tr><td>`NULL`<td>Do nothing
<tr><td>`QUIT`<td>Exit the browser
<tr><td>`CURSOR_UP`<td>Move the cursor to the previous line
<tr><td>`CURSOR_DOWN`<td>Move cursor to the next line
<tr><td>`CURSOR_LEFT`<td>Move cursor to the previous cell
<tr><td>`CURSOR_RIGHT`<td>Move cursor to the next cell
<tr><td>`CURSOR_LEFT`<td>Move cursor to the previous cell
<tr><td>`CURSOR_LINEBEGIN`<td>Move cursor to the first cell of the line
<tr><td>`CURSOR_LINEEND`<td>Move cursor to the last cell of the line
<tr><td>`CURSOR_NEXT_WORD`<td>Move cursor to the beginning of the next word
<tr><td>`CURSOR_PREV_WORD`<td>Move cursor to the end of the previous word
<tr><td>`CURSOR_NEXT_LINK`<td>Move cursor to the beginning of the next clickable element
<tr><td>`CURSOR_PREV_LINK`<td>Move cursor to the beginning of the previous clickable element
<tr><td>`PAGE_DOWN`<td>Move screen down by one page
<tr><td>`PAGE_UP`<td>Move screen up by one page
<tr><td>`PAGE_LEFT`<td>Move screen to the left by one page
<tr><td>`PAGE_RIGHT`<td>Move screen to the right by one page
<tr><td>`HALF_PAGE_DOWN`<td>Move screen down by half a page
<tr><td>`HALF_PAGE_UP`<td>Move screen up by half a page
<tr><td>`SCROLL_DOWN`<td>Move screen down by one line
<tr><td>`SCROLL_UP`<td>Move screen up by one line
<tr><td>`SCROLL_LEFT`<td>Move screen to the left by one line
<tr><td>`SCROLL_RIGHT`<td>Move screen to the right by one line
<tr><td>`CLICK`<td>Click element currently under cursor
<tr><td>`CHANGE_LOCATION`<td>Go to URL
<tr><td>`RELOAD`<td>Reload page
<tr><td>`RESHAPE`<td>Reshape buffer (=render page anew)
<tr><td>`REDRAW`<td>Redraw buffer (=redraw screen)
<tr><td>`TOGGLE_SOURCE`<td>Source view
<tr><td>`CURSOR_FIRST_LINE`<td>Move cursor to the first line of the buffer
<tr><td>`CURSOR_LAST_LINE`<td>Move cursor to the last line of the buffer
<tr><td>`CURSOR_TOP`<td>Move cursor to the first line of the page
<tr><td>`CURSOR_MIDDLE`<td>Move cursor to the middle of the page
<tr><td>`CURSOR_BOTTOM`<td>Move cursor to the last line of the page
<tr><td>`CENTER_LINE`<td>Center screen around line
<tr><td>`LINE_INFO`<td>Display information about line
</table>

### Line-edit mode actions

<table>
<tr><th>**Name**<th>**Function**
<tr><td>`NULL`<td>Do nothing
<tr><td>`SUBMIT`<td>Submit line
<tr><td>`CANCEL`<td>Cancel operation
<tr><td>`BACKSPACE`<td>Delete character before cursor
<tr><td>`DELETE`<td>Delete character after cursor
<tr><td>`CLEAR`<td>Clear text before cursor
<tr><td>`KILL`<td>Clear text after cursor
<tr><td>`KILL_WORD`<td>Delete previous word
<tr><td>`BACK`<td>Move cursor back by one character
<tr><td>`FORWARD`<td>Move cursor forward by one character
<tr><td>`PREV_WORD`<td>Move cursor to the previous word by one character
<tr><td>`NEXT_WORD`<td>Move cursor to the previous word by one character
<tr><td>`BEGIN`<td>Move cursor to the previous word by one character
<tr><td>`END`<td>Move cursor to the previous word by one character
<tr><td>`ESC`<td>Ignore keybindings for next character
</table>