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# Keymap
## Normal mode
### Movement
> NOTE: `f`, `F`, `t` and `T` are not confined to the current line.
| Key | Description |
| ----- | ----------- |
| `h`, `Left` | Move left |
| `j`, `Down` | Move down |
| `k`, `Up` | Move up |
| `l`, `Right` | Move right |
| `w` | Move next word start |
| `b` | Move previous word start |
| `e` | Move next word end |
| `t` | Find 'till next char |
| `f` | Find next char |
| `T` | Find 'till previous char |
| `F` | Find previous char |
| `Home` | Move to the start of the line |
| `End` | Move to the end of the line |
| `m` | Jump to matching bracket |
| `PageUp` | Move page up |
| `PageDown` | Move page down |
| `Ctrl-u` | Move half page up |
| `Ctrl-d` | Move half page down |
| `Ctrl-i` | Jump forward on the jumplist TODO: conflicts tab |
| `Ctrl-o` | Jump backward on the jumplist |
| `v` | Enter [select (extend) mode](#select--extend-mode) |
| `g` | Enter [goto mode](#goto-mode) |
| `:` | Enter command mode |
| `z` | Enter [view mode](#view-mode) |
| `Ctrl-w` | Enter [window mode](#window-mode) (maybe will be remove for spc w w later) |
| `Space` | Enter [space mode](#space-mode) |
| `K` | Show documentation for the item under the cursor |
### Changes
| Key | Description |
| ----- | ----------- |
| `r` | Replace with a character |
| `R` | Replace with yanked text |
| `i` | Insert before selection |
| `a` | Insert after selection (append) |
| `I` | Insert at the start of the line |
| `A` | Insert at the end of the line |
| `o` | Open new line below selection |
| `o` | Open new line above selection |
| `u` | Undo change |
| `U` | Redo change |
| `y` | Yank selection |
| `p` | Paste after selection |
| `P` | Paste before selection |
| `>` | Indent selection |
| `<` | Unindent selection |
| `=` | Format selection |
| `d` | Delete selection |
| `c` | Change selection (delete and enter insert mode) |
### Selection manipulation
| Key | Description |
| ----- | ----------- |
| `s` | Select all regex matches inside selections |
| `S` | Split selection into subselections on regex matches |
| `Alt-s` | Split selection on newlines |
| `;` | Collapse selection onto a single cursor |
| `Alt-;` | Flip selection cursor and anchor |
| `%` | Select entire file |
| `x` | Select current line, if already selected, extend to next line |
| `` | Expand selection to parent syntax node TODO: pick a key |
| `J` | join lines inside selection |
| `K` | keep selections matching the regex TODO: overlapped by hover help |
| `Space` | keep only the primary selection TODO: overlapped by space mode |
| `Ctrl-c` | Comment/uncomment the selections |
### Search
> TODO: The search implementation isn't ideal yet -- we don't support searching
in reverse, or searching via smartcase.
| Key | Description |
| ----- | ----------- |
| `/` | Search for regex pattern |
| `n` | Select next search match |
| `N` | Add next search match to selection |
| `*` | Use current selection as the search pattern |
### Diagnostics
> NOTE: `[` and `]` will likely contain more pair mappings in the style of
> [vim-unimpaired](https://github.com/tpope/vim-unimpaired)
| Key | Description |
| ----- | ----------- |
| `[d` | Go to previous diagnostic |
| `]d` | Go to next diagnostic |
| `[D` | Go to first diagnostic in document |
| `]D` | Go to last diagnostic in document |
## Select / extend mode
I'm still pondering whether to keep this mode or not. It changes movement
commands to extend the existing selection instead of replacing it.
> NOTE: It's a bit confusing at the moment because extend hasn't been
> implemented for all movement commands yet.
## View mode
View mode is intended for scrolling and manipulating the view without changing
the selection.
| Key | Description |
| ----- | ----------- |
| `z` , `c` | Vertically center the line |
| `t` | Align the line to the top of the screen |
| `b` | Align the line to the bottom of the screen |
| `m` | Align the line to the middle of the screen (horizontally) |
| `j` | Scroll the view downwards |
| `k` | Scroll the view upwards |
## Goto mode
Jumps to various locations.
> NOTE: Some of these features are only available with the LSP present.
| Key | Description |
| ----- | ----------- |
| `g` | Go to the start of the file |
| `e` | Go to the end of the file |
| `h` | Go to the start of the line |
| `l` | Go to the end of the line |
| `s` | Go to first non-whitespace character of the line |
| `t` | Go to the top of the screen |
| `m` | Go to the middle of the screen |
| `b` | Go to the bottom of the screen |
| `d` | Go to definition |
| `y` | Go to type definition |
| `r` | Go to references |
| `i` | Go to implementation |
| `a` | Go to the last accessed/alternate file |
## Object mode
TODO: Mappings for selecting syntax nodes (a superset of `[`).
## Window mode
This layer is similar to vim keybindings as kakoune does not support window.
| Key | Description |
| ----- | ------------- |
| `w`, `Ctrl-w` | Switch to next window |
| `v`, `Ctrl-v` | Vertical right split |
| `h`, `Ctrl-h` | Horizontal bottom split |
| `q`, `Ctrl-q` | Close current window |
## Space mode
This layer is a kludge of mappings I had under leader key in neovim.
| Key | Description |
| ----- | ----------- |
| `f` | Open file picker |
| `b` | Open buffer picker |
| `s` | Open symbol picker (current document) |
| `w` | Enter [window mode](#window-mode) |
| `space` | Keep primary selection TODO: it's here because space mode replaced it |
| `p` | paste system clipboard after selections |
| `P` | paste system clipboard before selections |
| `y` | join and yank selections to clipboard |
| `Y` | yank main selection to clipboard |
| `R` | replace selections by clipboard contents |
# Picker
Keys to use within picker.
| Key | Description |
| ----- | ------------- |
| `Up`, `Ctrl-p` | Previous entry |
| `Down`, `Ctrl-n` | Next entry |
| `Ctrl-space` | Filter options |
| `Enter` | Open selected |
| `Ctrl-h` | Open horizontally |
| `Ctrl-v` | Open vertically |
| `Escape`, `Ctrl-c` | Close picker |
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