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.vimrc
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.vimrc
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" Comments in Vimscript start with a `"`.
" If you open this file in Vim, it'll be syntax highlighted for you.
" Vim is based on Vi. Setting `nocompatible` switches from the default
" Vi-compatibility mode and enables useful Vim functionality. This
" configuration option turns out not to be necessary for the file named
" '~/.vimrc', because Vim automatically enters nocompatible mode if that file
" is present. But we're including it here just in case this config file is
" loaded some other way (e.g. saved as `foo`, and then Vim started with
" `vim -u foo`).
set nocompatible
" Turn on syntax highlighting.
syntax on
" Disable the default Vim startup message.
set shortmess+=I
" Show line numbers.
set number
" This enables relative line numbering mode. With both number and
" relativenumber enabled, the current line shows the true line number, while
" all other lines (above and below) are numbered relative to the current line.
" This is useful because you can tell, at a glance, what count is needed to
" jump up or down to a particular line, by {count}k to go up or {count}j to go
" down.
set relativenumber
" Always show the status line at the bottom, even if you only have one window open.
set laststatus=2
" Always show current line when in edit mode
set ruler
" The backspace key has slightly unintuitive behavior by default. For example,
" by default, you can't backspace before the insertion point set with 'i'.
" This configuration makes backspace behave more reasonably, in that you can
" backspace over anything.
set backspace=indent,eol,start
" By default, Vim doesn't let you hide a buffer (i.e. have a buffer that isn't
" shown in any window) that has unsaved changes. This is to prevent you from "
" forgetting about unsaved changes and then quitting e.g. via `:qa!`. We find
" hidden buffers helpful enough to disable this protection. See `:help hidden`
" for more information on this.
set hidden
" This setting makes search case-insensitive when all characters in the string
" being searched are lowercase. However, the search becomes case-sensitive if
" it contains any capital letters. This makes searching more convenient.
set ignorecase
set smartcase
" Enable searching as you type, rather than waiting till you press enter.
set incsearch
" Unbind some useless/annoying default key bindings.
nmap Q <Nop> " 'Q' in normal mode enters Ex mode. You almost never want this.
" Disable audible bell because it's annoying.
set noerrorbells visualbell t_vb=
" Enable mouse support. You should avoid relying on this too much, but it can
" sometimes be convenient.
set mouse+=a
" Try to prevent bad habits like using the arrow keys for movement. This is
" not the only possible bad habit. For example, holding down the h/j/k/l keys
" for movement, rather than using more efficient movement commands, is also a
" bad habit. The former is enforceable through a .vimrc, while we don't know
" how to prevent the latter.
" Do this in normal mode...
nnoremap <Left> :echoe "Use h"<CR>
nnoremap <Right> :echoe "Use l"<CR>
nnoremap <Up> :echoe "Use k"<CR>
nnoremap <Down> :echoe "Use j"<CR>
" ...and in insert mode
inoremap <Left> <ESC>:echoe "Use h"<CR>
inoremap <Right> <ESC>:echoe "Use l"<CR>
inoremap <Up> <ESC>:echoe "Use k"<CR>
inoremap <Down> <ESC>:echoe "Use j"<CR>
" set color theme molokai
colorscheme molokai
" highlight current line
set cursorline
" code indent
" you can use 'S' to enter insert mode at correct indent (now cannot work
" on python files)
" https://stackoverflow.com/questions/18415492/autoindent-is-subset-of-smartindent-in-vim
filetype plugin indent on
set autoindent
" remap '>' in visual line mode to re-select visual mode
" so you can quickly select some lines and use '>' or '<' multiple times.
" if not set time, you must use as following: select some lines in visual line
" mode, then input 'x>' or 'x<' where x is a number.
vnoremap < <gv
vnoremap > >gv
" use 4 spaces instead of tabs during formatting
set expandtab
set tabstop=4
set shiftwidth=4
set softtabstop=4
" copy to system clipboard
set clipboard=unnamed
set guifont=Monaco\ Regular:h14
" visual mode color
highlight Visual cterm=bold ctermbg=Blue ctermfg=None
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
""""""""""""""BELOW LINES ARE VIM PLUGINS""""""""""""""""""
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" plugin - ale.vim
let g:ale_sign_warning = '?'
" use ctrl+k & ctrl+j to quick move in wraps
nmap <silent> <C-k> <Plug>(ale_previous_wrap)
nmap <silent> <C-J> <Plug>(ale_next_wrap)
" plugin - silicon.vim
" this plugin is used to generate code snippets in image format
" below lines are default configuration
" see more info in https://github.com/segeljakt/vim-silicon
let g:silicon = {
\ 'theme': 'Dracula',
\ 'font': 'Hack',
\ 'background': '#AAAAFF',
\ 'shadow-color': '#555555',
\ 'line-pad': 2,
\ 'pad-horiz': 0,
\ 'pad-vert': 0,
\ 'shadow-blur-radius': 0,
\ 'shadow-offset-x': 0,
\ 'shadow-offset-y': 0,
\ 'line-number': v:true,
\ 'round-corner': v:true,
\ 'window-controls': v:true,
\ }
" plugin - vim-sneak
" By default, sneak use s as the leader key for search,
" but I am familier with using s as substitute key.
" So I will remap f and F using vim-sneak.
map f <Plug>Sneak_s
map F <Plug>Sneak_S
" A better t and T with highlight and using ';' for next, ',' for prev
map t <Plug>Sneak_t
map T <Plug>Sneak_T