From 56eab848f971f98afc17687e449cc8031035af6f Mon Sep 17 00:00:00 2001
From: lhark <lhark@lharktop>
Date: Thu, 21 Feb 2019 00:33:55 -0500
Subject: [PATCH] [vim] Basic config imrovements and base16 theme link

---
 vim/colors                         |   1 +
 vim/colors/base16-default-dark.vim |   1 -
 vimrc                              | 166 +++++++++++++++++++++++------
 3 files changed, 132 insertions(+), 36 deletions(-)
 create mode 120000 vim/colors
 delete mode 120000 vim/colors/base16-default-dark.vim

diff --git a/vim/colors b/vim/colors
new file mode 120000
index 0000000..c8933d8
--- /dev/null
+++ b/vim/colors
@@ -0,0 +1 @@
+../themes/base16-vim/colors
\ No newline at end of file
diff --git a/vim/colors/base16-default-dark.vim b/vim/colors/base16-default-dark.vim
deleted file mode 120000
index bcc1c6d..0000000
--- a/vim/colors/base16-default-dark.vim
+++ /dev/null
@@ -1 +0,0 @@
-../../themes/base16-vim/colors/base16-default-dark.vim
\ No newline at end of file
diff --git a/vimrc b/vimrc
index e04b8f1..a7aff21 100644
--- a/vimrc
+++ b/vimrc
@@ -1,9 +1,38 @@
-set autochdir
 set nocompatible
 " Allow backspacing over everything in insert mode.
 set backspace=indent,eol,start
 set number
 set relativenumber
+"[Hide/show the white-space and more invisible symbols]"
+set list
+set listchars=nbsp:¬,trail:-
+"set listchars+=tab:│\ ,
+set listchars+=tab:▸\ ,
+set nojoinspaces
+"[Indent & Tab/mode-line settings]"
+set breakindent
+set nopaste
+set smarttab
+set tabstop=4 " tabs size on screen "
+set expandtab " <tab> inserts spaces "
+set autoindent
+set copyindent " copy existing tab/spaces mix on newline "
+set smartindent " overruled by cindent "
+set cinwords=except,finally,def,class,with,do,if,elif,else,for,while,try,switch
+set cinoptions+=l1 " switch case label alignement, :h cinoptions-values "
+set shiftwidth=4 " number of space to use on indent. Use tabstop if 0"
+"set softtabstop=4
+"[Matching chars]"
+set showmatch
+set matchpairs=\":\"
+set matchpairs+=(:)
+set matchpairs+={:}
+set matchpairs+=[:]
+"[TextWidth settings]"
+set textwidth=0
+"[Look for a single modeline in files]"
+set modeline
+set modelines=1
 
 set history=200		" keep 200 lines of command line history
 set ruler		" show the cursor position all the time
@@ -20,6 +49,46 @@ set history=1000
 set nowritebackup
 set undolevels=5000
 
+" Show @@@ in the last line if it is truncated.
+set display=truncate
+"[Splitting rules]"
+set splitbelow
+set splitright
+set equalalways
+
+" Show a few lines of context around the cursor.
+set scrolloff=5
+
+set autochdir
+set autoread
+set autowrite
+
+"[Shared with OS clipboard]"
+set clipboard=unnamed
+
+"[For regular expressions turn magic on, use \v to get regex parent]"
+set magic
+"[Search settings]"
+set hlsearch
+set incsearch
+set smartcase
+set ignorecase
+set wrapscan
+"[When on, the ":substitute" flag 'g' is default on]"
+set nogdefault
+
+
+"[Kitty doesn't support background color erase]"
+let &t_ut=''
+let base16colorspace=256
+set background=dark
+colorscheme base16-default-dark
+"[Fix background transparency]"
+if has("autocmd")
+    autocmd ColorScheme * highlight Normal ctermbg=None
+    autocmd ColorScheme * highlight NonText ctermbg=None
+endif
+
 
 "[Define the leader key]"
 let mapleader=","
@@ -55,21 +124,20 @@ map Q gq
 "[Reflow current paragraph]"
 "[http://stevelosh.com/blog/2010/09/coming-home-to-vim/]"
 nnoremap <leader>q gqip
+" http://stackoverflow.com/questions/1005/getting-root-permissions-on-a-file-inside-of-vi
+cmap w!! w !sudo tee >/dev/null %
+"[To disable the arrow keys]"
+for prefix in ['i', 'n', 'v']
+    for key in ['<Up>', '<Down>', '<Left>', '<Right>']
+        execute prefix . "noremap " . key . " <Nop>"
+    endfor
+endfor
 
 
-" Show @@@ in the last line if it is truncated.
-set display=truncate
-
-" Show a few lines of context around the cursor.  Note that this makes the
-" text scroll if you mouse-click near the start or end of the window.
-set scrolloff=5
-
-let base16colorspace=256
-colorscheme base16-default-dark
 
 " Do incremental searching when it's possible to timeout.
 if has('reltime')
-  set incsearch
+    set incsearch
 endif
 
 " LaTeX ftdetect
@@ -78,38 +146,66 @@ let g:tex_flavor = "latex"
 " Switch syntax highlighting on when the terminal has colors or when using the
 " GUI (which always has colors).
 if &t_Co > 2 || has("gui_running")
-  " Revert with ":syntax off".
-  syntax on
+    " Revert with ":syntax off".
+    syntax on
 
-  " I like highlighting strings inside C comments.
-  " Revert with ":unlet c_comment_strings".
-  let c_comment_strings=1
+    " I like highlighting strings inside C comments.
+    " Revert with ":unlet c_comment_strings".
+    let c_comment_strings=1
 endif
+"
+"[Remove tabs and spaces at the end of lines]"
+function! DeleteTrailingTWS()
+    if &ft =~ 'diff'
+        return
+    end
+    normal mb
+    silent %s/[ \t]*$//g
+    silent %s/\s\+$//ge
+    normal 'b
+endfunction
+"[Make the scripts executable]"
+function! ChangeScriptMode()
+    if getline(1) =~ "#!"
+        if getline(1) =~ "bin/"
+            silent !chmod +x <afile>
+        endif
+    endif
+endfunction
 
 " Only do this part when compiled with support for autocommands.
 if has("autocmd")
 
-  " Enable file type detection.
-  " Use the default filetype settings, so that mail gets 'tw' set to 72,
-  " 'cindent' is on in C files, etc.
-  " Also load indent files, to automatically do language-dependent indenting.
-  " Revert with ":filetype off".
-  filetype plugin indent on
+    " Enable file type detection.
+    " Use the default filetype settings, so that mail gets 'tw' set to 72,
+    " 'cindent' is on in C files, etc.
+    " Also load indent files, to automatically do language-dependent indenting.
+    " Revert with ":filetype off".
+    filetype plugin indent on
 
-  " Put these in an autocmd group, so that you can revert them with:
-  " ":augroup vimStartup | au! | augroup END"
-  augroup vimStartup
-    au!
+    " Put these in an autocmd group, so that you can revert them with:
+    " ":augroup vimStartup | au! | augroup END"
+    augroup vimStartup
+        au!
 
-    " When editing a file, always jump to the last known cursor position.
-    " Don't do it when the position is invalid, when inside an event handler
-    " (happens when dropping a file on gvim) and for a commit message (it's
-    " likely a different one than last time).
-    autocmd BufReadPost *
-      \ if line("'\"") >= 1 && line("'\"") <= line("$") && &ft !~# 'commit'
-      \ |   exe "normal! g`\""
-      \ | endif
+        " When editing a file, always jump to the last known cursor position.
+        " Don't do it when the position is invalid, when inside an event handler
+        " (happens when dropping a file on gvim) and for a commit message (it's
+        " likely a different one than last time).
+        autocmd BufReadPost *
+            \ if line("'\"") >= 1 && line("'\"") <= line("$") && &ft !~# 'commit'
+            \ |   exe "normal! g`\""
+            \ | endif
 
-  augroup END
+    augroup END
+    "
+    "[Do not clean up trailing spaces in binary mode]"
+    if !&binary
+        autocmd BufWritePre * call DeleteTrailingTWS()
+    endif
+
+    if has("unix") || has("mac")
+        autocmd BufWritePost * call ChangeScriptMode()
+    endif
 
 endif " has("autocmd")