mirror of
https://github.com/amix/vimrc
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779 lines
26 KiB
Markdown
779 lines
26 KiB
Markdown
# lightline.vim
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A light and configurable statusline/tabline for Vim
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https://github.com/itchyny/lightline.vim
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### powerline theme (default)
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### wombat (with the patched font)
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### jellybeans (with the patched font)
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### solarized theme (dark)
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### solarized theme (light)
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### PaperColor theme (light)
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### seoul256 theme
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### landscape theme (with the patched font)
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With branch name, read-only mark and modified mark.
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landscape is my colorscheme, which is a high-contrast cui-supported colorscheme, available at https://github.com/itchyny/landscape.vim
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## Why yet another clone of powerline?
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+ [vim-powerline](https://github.com/Lokaltog/vim-powerline) is a nice plugin, but deprecated.
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+ [powerline](https://github.com/Lokaltog/powerline) is a nice plugin, but difficult to configure.
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+ [vim-airline](https://github.com/bling/vim-airline) is a nice plugin, but it uses too much functions of other plugins, which should be done by users in `.vimrc`.
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## Spirit of this plugin
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+ Minimalism. The core script is very small.
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+ Configurability. You can create your own component and easily add to the statusline/tabline.
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+ Orthogonality. Any plugin should not change the settings of another plugin. Such plugin-crossing settings should be written by users in `.vimrc`.
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## Author
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itchyny (https://github.com/itchyny)
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## License
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This software is released under the MIT License, see LICENSE.
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## Installation
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### Manually
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1. Put all files under $VIM.
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### Pathogen
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1. Install with the following command.
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git clone https://github.com/itchyny/lightline.vim ~/.vim/bundle/lightline.vim
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### Vundle (https://github.com/gmarik/Vundle.vim)
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1. Add the following configuration to your `.vimrc`.
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Plugin 'itchyny/lightline.vim'
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2. Install with `:PluginInstall`.
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### NeoBundle (https://github.com/Shougo/neobundle.vim)
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1. Add the following configuration to your `.vimrc`.
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NeoBundle 'itchyny/lightline.vim'
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2. Install with `:NeoBundleInstall`.
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### vim-plug (https://github.com/junegunn/vim-plug)
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1. Add the following configuration to your `.vimrc`.
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Plug 'itchyny/lightline.vim'
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2. Install with `:PlugInstall`.
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## Configuration tutorial
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By default, the statusline looks like:
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If you use the wombat colorscheme, add the following settings to your `.vimrc` (or \_vimrc on Windows):
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```vim
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let g:lightline = {
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\ 'colorscheme': 'wombat',
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\ }
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```
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to get:
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If your statusline looks like
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and the cool statuslines appear only on `:vsp`, add
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```vim
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set laststatus=2
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```
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to your `.vimrc`.
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If you have problem like
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then add
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```sh
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export TERM=xterm-256color
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```
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to your `.*shrc` and add
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```vim
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if !has('gui_running')
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set t_Co=256
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endif
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```
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to your `.vimrc`.
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If the colors of the statusline do not change from the default colors, move the settings of `g:lightline` before setting the colorscheme.
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If you are reloading your `.vimrc` via `autocmd` and get this problem
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when saving it you need to add the nested flag to your `autocmd` like so
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```vim
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augroup reload_vimrc
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autocmd!
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autocmd bufwritepost $MYVIMRC nested source $MYVIMRC
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augroup END
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```
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Colors appear correctly? Now let's see how to change the appearance.
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You may think that the default read-only mark is not so cool:
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Then edit the read-only component.
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The lightline components are stored in `g:lightline.component`.
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So you add the settings of `g:lightline.component.readonly` in your `.vimrc`. (the following settings are effective with the patched font for vim-powerline):
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```vim
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let g:lightline = {
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\ 'colorscheme': 'wombat',
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\ 'component': {
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\ 'readonly': '%{&readonly?"⭤":""}',
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\ }
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\ }
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```
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How nice!
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But the boundaries are quadrilateral. You may miss the powerline.
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You have installed a cool font for powerlines, so you can use it.
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```vim
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let g:lightline = {
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\ 'colorscheme': 'wombat',
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\ 'component': {
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\ 'readonly': '%{&readonly?"⭤":""}',
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\ },
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\ 'separator': { 'left': '⮀', 'right': '⮂' },
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\ 'subseparator': { 'left': '⮁', 'right': '⮃' }
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\ }
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```
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Hurrah! Cool!
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If your statusline looks like:
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the patched font is not installed.
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There are two kinds of patched fonts:
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+ The patched fonts for [vim-powerline](https://github.com/Lokaltog/vim-powerline): see https://github.com/Lokaltog/vim-powerline/tree/develop/fontpatcher
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+ The patched fonts for [powerline](https://github.com/Lokaltog/powerline): see https://github.com/Lokaltog/powerline-fonts
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Create or download a font and install it.
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And add the `guifont` setting to your `.vimrc` (see `:help 'guifont'` for more detail).
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If you are using the vim in a terminal, the font cannot be controlled in `.vimrc`.
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Open the setting of the terminal and select the patched font.
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This tutorial is based on the former, the font for vim-powerline (Inconsolata for Powerline).
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If you have installed the patched font for powerline, use the following settings instead.
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```vim
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let g:lightline = {
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\ 'colorscheme': 'wombat',
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\ 'component': {
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\ 'readonly': '%{&readonly?"":""}',
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\ },
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\ 'separator': { 'left': '', 'right': '' },
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\ 'subseparator': { 'left': '', 'right': '' }
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\ }
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```
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If you have installed the font for powerline and your statusline looks like
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remove
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```vim
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set ambiwidth=double
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```
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from your `.vimrc`. If you want to keep this setting, use the patched font for vim-powerline.
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+ https://github.com/Lokaltog/vim-powerline/tree/develop/fontpatcher
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If you will not install a patched font, use ascii characters like:
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```vim
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let g:lightline = {
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\ 'colorscheme': 'wombat',
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\ 'component': {
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\ 'readonly': '%{&readonly?"x":""}',
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\ },
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\ 'separator': { 'left': '', 'right': '' },
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\ 'subseparator': { 'left': '|', 'right': '|' }
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\ }
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```
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If the triangles do not appear (but you get some spaces or weird characters like <bf> or ¿), firstly try adding
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```vim
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set encoding=utf-8
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scriptencoding utf-8
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```
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to the head of your `.vimrc`.
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Still you have weird characters, use the unicode numbers. For powerline font
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users:
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```vim
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\ 'separator': { 'left': "\ue0b0", 'right': "\ue0b2" },
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\ 'subseparator': { 'left': "\ue0b1", 'right': "\ue0b3" }
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```
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For vim-powerline font users:
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```vim
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\ 'separator': { 'left': "\u2b80", 'right': "\u2b82" },
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\ 'subseparator': { 'left': "\u2b81", 'right': "\u2b83" }
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```
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Almost all of things go well with the patched font but if the triangle looks weird:
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If you are using iTerm2, change the following settings of iTerm2:
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+ set `Profiles>Colors>Minimum contrast` to the Lowest.
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+ set `Profiles>Window>Transparency` to the Opaquest.
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For other terminals, this weird-triangle problem will be resolved by disabling transparency or contrast adjustment.
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If you want to get rid of the extraneous default vim mode information that is now provided by lightline:
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```vim
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set noshowmode
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```
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Now, let's get back to the tutorial (with the patched font for vim-powerline).
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You look into a help file to find the marks annoying.
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Help files are read-only and no-modifiable? We know that!
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OK, so you again edit the components.
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```vim
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let g:lightline = {
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\ 'colorscheme': 'wombat',
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\ 'component': {
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\ 'readonly': '%{&filetype=="help"?"":&readonly?"⭤":""}',
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\ 'modified': '%{&filetype=="help"?"":&modified?"+":&modifiable?"":"-"}'
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\ },
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\ 'separator': { 'left': '⮀', 'right': '⮂' },
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\ 'subseparator': { 'left': '⮁', 'right': '⮃' }
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\ }
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```
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Huh? Weird!
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The subseparators are visible even if the components are empty.
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In order to hide the subseparators, you can set expressions to `g:lightline.component_visible_condition`, which should be 1 only when the corresponding component is not empty.
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```vim
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let g:lightline = {
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\ 'colorscheme': 'wombat',
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\ 'component': {
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\ 'readonly': '%{&filetype=="help"?"":&readonly?"⭤":""}',
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\ 'modified': '%{&filetype=="help"?"":&modified?"+":&modifiable?"":"-"}'
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\ },
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\ 'component_visible_condition': {
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\ 'readonly': '(&filetype!="help"&& &readonly)',
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\ 'modified': '(&filetype!="help"&&(&modified||!&modifiable))'
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\ },
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\ 'separator': { 'left': '⮀', 'right': '⮂' },
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\ 'subseparator': { 'left': '⮁', 'right': '⮃' }
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\ }
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```
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Okay. It works nice.
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The configuration `component_visible_condition` is used to control the visibility of the subseparators.
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You cannot use this variable to control the visibility of the components themselves.
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How does lightline decide the components to show in the statusline?
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It's very simple.
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The variables to select components are `g:lightline.active.left` and `g:lightline.active.right`.
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For example, you add the `g:lightline.active.left` in `.vimrc`.
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```vim
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let g:lightline = {
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\ 'colorscheme': 'wombat',
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\ 'active': {
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\ 'left': [ [ 'mode', 'paste' ],
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\ [ 'readonly', 'filename', 'modified' ] ]
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\ },
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\ 'component': {
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\ 'readonly': '%{&filetype=="help"?"":&readonly?"⭤":""}',
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\ 'modified': '%{&filetype=="help"?"":&modified?"+":&modifiable?"":"-"}'
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\ },
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\ 'component_visible_condition': {
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\ 'readonly': '(&filetype!="help"&& &readonly)',
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\ 'modified': '(&filetype!="help"&&(&modified||!&modifiable))'
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\ },
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\ 'separator': { 'left': '⮀', 'right': '⮂' },
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\ 'subseparator': { 'left': '⮁', 'right': '⮃' }
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\ }
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```
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If the plugin arranges all the components (in a situation you `set paste` and the file `.vimrc` is read-only, try to modify):
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Again look into `g:lightline.active.left`.
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```vim
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let g:lightline = {
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\ 'active': {
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\ 'left': [ [ 'mode', 'paste' ],
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\ [ 'readonly', 'filename', 'modified' ] ] ...
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```
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The mode and paste component are displayed in the same group.
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The read-only, filename and modified component are in the second group.
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It corresponds to the structure of `g:lightline.active.left`.
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You can configure the components in the statusline by the following four variables:
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+ `g:lightline.active.left`
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+ `g:lightline.active.right`
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+ `g:lightline.inactive.left`
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+ `g:lightline.inactive.right`
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Of course, your configurations in `.vimrc` have priority over the default settings in lightline.
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Git branch is important for us.
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And it is a default component in [powerline](https://github.com/Lokaltog/powerline) and [vim-powerline](https://github.com/Lokaltog/vim-powerline).
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However, lightline does not provide the branch feature by default.
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In order to show the branch in the statusline, you firstly install the [vim-fugitive](https://github.com/tpope/vim-fugitive) plugin.
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Then edit the `g:lightline` in your `.vimrc`.
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+ Add your fugitive component to `g:lightline.component`.
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+ Add the condition when the fugitive component has information to `g:lightline.component_visible_condition`.
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+ Add the component by inserting `'fugitive'` to `g:lightline.active.left`.
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```vim
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let g:lightline = {
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\ 'colorscheme': 'wombat',
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\ 'active': {
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\ 'left': [ [ 'mode', 'paste' ],
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\ [ 'fugitive', 'readonly', 'filename', 'modified' ] ]
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\ },
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\ 'component': {
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\ 'readonly': '%{&filetype=="help"?"":&readonly?"⭤":""}',
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\ 'modified': '%{&filetype=="help"?"":&modified?"+":&modifiable?"":"-"}',
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\ 'fugitive': '%{exists("*fugitive#head")?fugitive#head():""}'
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\ },
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\ 'component_visible_condition': {
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\ 'readonly': '(&filetype!="help"&& &readonly)',
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\ 'modified': '(&filetype!="help"&&(&modified||!&modifiable))',
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\ 'fugitive': '(exists("*fugitive#head") && ""!=fugitive#head())'
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\ },
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\ 'separator': { 'left': '⮀', 'right': '⮂' },
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\ 'subseparator': { 'left': '⮁', 'right': '⮃' }
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\ }
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```
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Okay, the branch component is added!
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Now, you might get tired of setting both `'component'` and `'component_visible_condition'`.
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Or if you want to do something more complicated?
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In fact, the components can be created using functions.
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Add your function names for components to `g:lightline.component_function`.
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```vim
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let g:lightline = {
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\ 'colorscheme': 'wombat',
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\ 'active': {
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\ 'left': [ [ 'mode', 'paste' ],
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\ [ 'fugitive', 'readonly', 'filename', 'modified' ] ]
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\ },
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\ 'component_function': {
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\ 'fugitive': 'LightlineFugitive',
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\ 'readonly': 'LightlineReadonly',
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\ 'modified': 'LightlineModified'
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\ },
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\ 'separator': { 'left': '⮀', 'right': '⮂' },
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\ 'subseparator': { 'left': '⮁', 'right': '⮃' }
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\ }
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function! LightlineModified()
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if &filetype == "help"
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return ""
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elseif &modified
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return "+"
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elseif &modifiable
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return ""
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else
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return ""
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endif
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endfunction
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function! LightlineReadonly()
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if &filetype == "help"
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return ""
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elseif &readonly
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return "⭤"
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else
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return ""
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endif
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endfunction
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function! LightlineFugitive()
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return exists('*fugitive#head') ? fugitive#head() : ''
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endfunction
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```
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Fine and readable!
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Finally, you come up with concatenating the three components: the read-only mark, the filename and the modified mark.
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Now you may know what to do.
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```vim
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let g:lightline = {
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\ 'colorscheme': 'wombat',
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\ 'active': {
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\ 'left': [ [ 'mode', 'paste' ],
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\ [ 'fugitive', 'filename' ] ]
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\ },
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\ 'component_function': {
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\ 'fugitive': 'LightlineFugitive',
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\ 'readonly': 'LightlineReadonly',
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\ 'modified': 'LightlineModified',
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\ 'filename': 'LightlineFilename'
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\ },
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\ 'separator': { 'left': '⮀', 'right': '⮂' },
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\ 'subseparator': { 'left': '⮁', 'right': '⮃' }
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\ }
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function! LightlineModified()
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if &filetype == "help"
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return ""
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elseif &modified
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return "+"
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elseif &modifiable
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return ""
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else
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return ""
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endif
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endfunction
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function! LightlineReadonly()
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if &filetype == "help"
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return ""
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elseif &readonly
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return "⭤"
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else
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return ""
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endif
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endfunction
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function! LightlineFugitive()
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return exists('*fugitive#head') ? fugitive#head() : ''
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endfunction
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function! LightlineFilename()
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return ('' != LightlineReadonly() ? LightlineReadonly() . ' ' : '') .
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\ ('' != expand('%:t') ? expand('%:t') : '[No Name]') .
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\ ('' != LightlineModified() ? ' ' . LightlineModified() : '')
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endfunction
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```
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Oops! We forgot the cool mark for the branch component! (work with the patched font for vim-powerline)
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```vim
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function! LightlineFugitive()
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if exists("*fugitive#head")
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let branch = fugitive#head()
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return branch !=# '' ? '⭠ '.branch : ''
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endif
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return ''
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endfunction
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```
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How cool!!!
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Of course, you can name your component as you wish.
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```vim
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let g:lightline = {
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\ 'active': {
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\ 'left': [ [ 'mode', 'paste' ],
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\ [ 'my_component' ] ] },
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\ 'component_function': {
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\ 'my_component': 'LightlineComponent', ...
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```
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This is the end of the tutorial. For more information, see `:help lightline`. Good luck with your nice statuslines.
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### Cool characters for the patched fonts
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Symbol | Default | powerline | vim-powerline
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------------------ | ------- | ------------- | -------------
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separator.left | '' | '' (\ue0b0) | '⮀' (\u2b80)
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separator.right | '' | '' (\ue0b2) | '⮂' (\u2b82)
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subseparator.left | '\|' | '' (\ue0b1) | '⮁' (\u2b81)
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subseparator.right | '\|' | '' (\ue0b3) | '⮃' (\u2b83)
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branch symbol | -- | '' (\ue0a0) | '⭠' (\u2b60)
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readonly symbol | -- | '' (\ue0a2) | '⭤' (\u2b64)
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linecolumn symbol | -- | '' (\ue0a1) | '⭡' (\u2b61)
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### My settings
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I show my settings. I use the patched font for vim-powerline.
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```vim
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let g:lightline = {
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\ 'colorscheme': 'landscape',
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\ 'mode_map': { 'c': 'NORMAL' },
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\ 'active': {
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\ 'left': [ [ 'mode', 'paste' ], [ 'fugitive', 'filename' ] ]
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\ },
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\ 'component_function': {
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\ 'modified': 'LightlineModified',
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\ 'readonly': 'LightlineReadonly',
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\ 'fugitive': 'LightlineFugitive',
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\ 'filename': 'LightlineFilename',
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\ 'fileformat': 'LightlineFileformat',
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\ 'filetype': 'LightlineFiletype',
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\ 'fileencoding': 'LightlineFileencoding',
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\ 'mode': 'LightlineMode',
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\ },
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\ 'separator': { 'left': '⮀', 'right': '⮂' },
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\ 'subseparator': { 'left': '⮁', 'right': '⮃' }
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\ }
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function! LightlineModified()
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return &ft =~ 'help\|vimfiler\|gundo' ? '' : &modified ? '+' : &modifiable ? '' : '-'
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endfunction
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function! LightlineReadonly()
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return &ft !~? 'help\|vimfiler\|gundo' && &readonly ? '⭤' : ''
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endfunction
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function! LightlineFilename()
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return ('' != LightlineReadonly() ? LightlineReadonly() . ' ' : '') .
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\ (&ft == 'vimfiler' ? vimfiler#get_status_string() :
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\ &ft == 'unite' ? unite#get_status_string() :
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\ &ft == 'vimshell' ? vimshell#get_status_string() :
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\ '' != expand('%:t') ? expand('%:t') : '[No Name]') .
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\ ('' != LightlineModified() ? ' ' . LightlineModified() : '')
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endfunction
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function! LightlineFugitive()
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if &ft !~? 'vimfiler\|gundo' && exists("*fugitive#head")
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let branch = fugitive#head()
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return branch !=# '' ? '⭠ '.branch : ''
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endif
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return ''
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endfunction
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function! LightlineFileformat()
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return winwidth(0) > 70 ? &fileformat : ''
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endfunction
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function! LightlineFiletype()
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return winwidth(0) > 70 ? (&filetype !=# '' ? &filetype : 'no ft') : ''
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endfunction
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function! LightlineFileencoding()
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return winwidth(0) > 70 ? (&fenc !=# '' ? &fenc : &enc) : ''
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endfunction
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function! LightlineMode()
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return winwidth(0) > 60 ? lightline#mode() : ''
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endfunction
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```
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When the current window width is narrow, the mode component and the file information component collapse.
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For example, the [gundo](https://github.com/sjl/gundo.vim) buffer is narrow.
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Before:
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After:
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Nice looking, isn't it?
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### For power users
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For users who uses following plugins.
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- [CtrlP](https://github.com/kien/ctrlp.vim)
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- [Tagbar](https://github.com/majutsushi/tagbar)
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- [Gundo](http://github.com/sjl/gundo.vim)
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- [NERDtree](http://github.com/scrooloose/nerdtree)
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- [Syntastic](https://github.com/scrooloose/syntastic)
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- [unite.vim](https://github.com/Shougo/unite.vim)
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- [vimfiler.vim](https://github.com/Shougo/vimfiler.vim)
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- [vimshell.vim](https://github.com/Shougo/vimshell.vim)
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```vim
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let g:lightline = {
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\ 'colorscheme': 'wombat',
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\ 'active': {
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\ 'left': [ [ 'mode', 'paste' ], [ 'fugitive', 'filename' ], ['ctrlpmark'] ],
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\ 'right': [ [ 'syntastic', 'lineinfo' ], ['percent'], [ 'fileformat', 'fileencoding', 'filetype' ] ]
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\ },
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\ 'component_function': {
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\ 'fugitive': 'LightlineFugitive',
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\ 'filename': 'LightlineFilename',
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\ 'fileformat': 'LightlineFileformat',
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\ 'filetype': 'LightlineFiletype',
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\ 'fileencoding': 'LightlineFileencoding',
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\ 'mode': 'LightlineMode',
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\ 'ctrlpmark': 'CtrlPMark',
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\ },
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\ 'component_expand': {
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\ 'syntastic': 'SyntasticStatuslineFlag',
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\ },
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\ 'component_type': {
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\ 'syntastic': 'error',
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\ },
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\ 'subseparator': { 'left': '|', 'right': '|' }
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\ }
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function! LightlineModified()
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return &ft =~ 'help' ? '' : &modified ? '+' : &modifiable ? '' : '-'
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endfunction
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function! LightlineReadonly()
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return &ft !~? 'help' && &readonly ? 'RO' : ''
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endfunction
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function! LightlineFilename()
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let fname = expand('%:t')
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return fname == 'ControlP' && has_key(g:lightline, 'ctrlp_item') ? g:lightline.ctrlp_item :
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\ fname == '__Tagbar__' ? g:lightline.fname :
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\ fname =~ '__Gundo\|NERD_tree' ? '' :
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\ &ft == 'vimfiler' ? vimfiler#get_status_string() :
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\ &ft == 'unite' ? unite#get_status_string() :
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\ &ft == 'vimshell' ? vimshell#get_status_string() :
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\ ('' != LightlineReadonly() ? LightlineReadonly() . ' ' : '') .
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\ ('' != fname ? fname : '[No Name]') .
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\ ('' != LightlineModified() ? ' ' . LightlineModified() : '')
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endfunction
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function! LightlineFugitive()
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try
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if expand('%:t') !~? 'Tagbar\|Gundo\|NERD' && &ft !~? 'vimfiler' && exists('*fugitive#head')
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let mark = '' " edit here for cool mark
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let branch = fugitive#head()
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return branch !=# '' ? mark.branch : ''
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endif
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catch
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endtry
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return ''
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endfunction
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function! LightlineFileformat()
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return winwidth(0) > 70 ? &fileformat : ''
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endfunction
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function! LightlineFiletype()
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return winwidth(0) > 70 ? (&filetype !=# '' ? &filetype : 'no ft') : ''
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endfunction
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function! LightlineFileencoding()
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return winwidth(0) > 70 ? (&fenc !=# '' ? &fenc : &enc) : ''
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endfunction
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function! LightlineMode()
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let fname = expand('%:t')
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return fname == '__Tagbar__' ? 'Tagbar' :
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\ fname == 'ControlP' ? 'CtrlP' :
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\ fname == '__Gundo__' ? 'Gundo' :
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\ fname == '__Gundo_Preview__' ? 'Gundo Preview' :
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\ fname =~ 'NERD_tree' ? 'NERDTree' :
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\ &ft == 'unite' ? 'Unite' :
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\ &ft == 'vimfiler' ? 'VimFiler' :
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\ &ft == 'vimshell' ? 'VimShell' :
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\ winwidth(0) > 60 ? lightline#mode() : ''
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endfunction
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function! CtrlPMark()
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if expand('%:t') =~ 'ControlP' && has_key(g:lightline, 'ctrlp_item')
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call lightline#link('iR'[g:lightline.ctrlp_regex])
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return lightline#concatenate([g:lightline.ctrlp_prev, g:lightline.ctrlp_item
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\ , g:lightline.ctrlp_next], 0)
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else
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return ''
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endif
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endfunction
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let g:ctrlp_status_func = {
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\ 'main': 'CtrlPStatusFunc_1',
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\ 'prog': 'CtrlPStatusFunc_2',
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\ }
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function! CtrlPStatusFunc_1(focus, byfname, regex, prev, item, next, marked)
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let g:lightline.ctrlp_regex = a:regex
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let g:lightline.ctrlp_prev = a:prev
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let g:lightline.ctrlp_item = a:item
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let g:lightline.ctrlp_next = a:next
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return lightline#statusline(0)
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endfunction
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function! CtrlPStatusFunc_2(str)
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return lightline#statusline(0)
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endfunction
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let g:tagbar_status_func = 'TagbarStatusFunc'
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function! TagbarStatusFunc(current, sort, fname, ...) abort
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let g:lightline.fname = a:fname
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return lightline#statusline(0)
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endfunction
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augroup AutoSyntastic
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autocmd!
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autocmd BufWritePost *.c,*.cpp call s:syntastic()
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augroup END
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function! s:syntastic()
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SyntasticCheck
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call lightline#update()
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endfunction
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let g:unite_force_overwrite_statusline = 0
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let g:vimfiler_force_overwrite_statusline = 0
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let g:vimshell_force_overwrite_statusline = 0
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```
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### Note for developers of other plugins
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Appearance consistency matters.
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The statusline is an important space for Vim users.
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Overwriting the statusline forcibly in your plugin is not a good idea.
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It is not hospitality, but just an annoying feature.
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If your plugin has such a feature, add an option to be modest.
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A good design is the following.
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Firstly, give the users a clue to judge which buffer is the one your plugin creates.
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The filename is a manner and the filetype is another.
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Then, export a function which is useful to be shown in the statusline.
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Lastly, for advanced users, set important information in buffer variables.
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So that the users can obtain the condition of the plugin easily.
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