plugins: improve vimtex configuration for tectonic

Co-Authored-by: iGor milhit <igor@milhit.ch>

init.vim

@@ -11,6 +11,8 @@ Plug 'junegunn/limelight.vim', { 'on': 'Goyo' }                             " Di
 Plug 'lervag/vimtex'                                                        " Filetype and syntax plugin for LaTeX files
 Plug 'dpelle/vim-Grammalecte'                                               " French ortho/grammar spelling
 Plug 'arcticicestudio/nord-vim'                                             " Nord color scheme
+Plug 'sonph/onehalf', { 'rtp': 'vim' }                                      " OneHalf color scheme
+Plug 'sainnhe/edge'                                                         " Edge color schemes
 Plug 'vim-airline/vim-airline'                                              " Fancy bottom line in vim/neovim
 Plug 'vim-airline/vim-airline-themes'                                       " Themes for vim-airlines
 Plug 'jiangmiao/auto-pairs'                                                 " Pairs autocomplete
@@ -126,7 +128,7 @@ set clipboard+=unnamedplus
 " Airline
 let g:airline_powerline_fonts=1
 let g:airline#extensions#wordcount#filetypes='pandoc\|text\|'                   "Add support when pandoc is activated
-let g:airline_theme='nord'
+let g:airline_theme='edge'
 
 " Vim-table-mode. Set the table separator
 let g:table_mode_corner='|'
@@ -188,29 +190,6 @@ else
   set signcolumn=yes
 endif
 
-" Use tab for trigger completion with characters ahead and navigate
-inoremap <silent><expr> <TAB>
-      \ pumvisible() ? "\<C-n>" :
-      \ <SID>check_back_space() ? "\<TAB>" :
-      \ coc#refresh()
-inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
-
-function! s:check_back_space() abort
-  let col = col('.') - 1
-  return !col || getline('.')[col - 1]  =~# '\s'
-endfunction
-" Use <c-space> to trigger completion.
-if has('nvim')
-  inoremap <silent><expr> <c-space> coc#refresh()
-else
-  inoremap <silent><expr> <c-@> coc#refresh()
-endif
-
-" Make <CR> auto-select the first completion item and notify coc.nvim to
-" format on enter, <cr> could be remapped by other vim plugin
-inoremap <silent><expr> <cr> pumvisible() ? coc#_select_confirm()
-                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
-
 " Use `[g` and `]g` to navigate diagnostics
 " Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
 nmap <silent> [g <Plug>(coc-diagnostic-prev)
@@ -250,15 +229,10 @@ let g:isort_command='isort'
 
 " #########################################
 " #########################################
-let g:vimtex_compiler_latexmk = { 
-        \ 'executable' : 'latexmk',
-        \ 'options' : [ 
-        \   '-xelatex',
-        \   '-file-line-error',
-        \   '-synctex=1',
-        \   '-interaction=nonstopmode',
-        \ ],
-        \}
+let g:vimtex_compiler_method='tectonic'
+let g:vimtex_view_general_viewer='evince'
+let g:vimtex_view_general_options='--unique file:@pdf\#src:@line@tex'
+
 
 " #########################################
 " #########################################
@@ -282,4 +256,9 @@ autocmd! User GoyoLeave Limelight!
 
 " Syntax coloration and color theme
 syntax enable
-colorscheme nord
+set background=light
+let g:edge_style = "light"
+colorscheme edge
+
+" Set the Semantic Menu highlight group
+hi CocMenuSel ctermbg=252