1 files changed, 111 insertions, 0 deletions
diff --git a/core/ui.vim b/core/ui.vim
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+"{ UI-related settings
+"{{ General settings about colors
+" Enable true colors support. Do not set this option if your terminal does not
+" support true colors! For a comprehensive list of terminals supporting true
+" colors, see https://github.com/termstandard/colors and
+" https://gist.github.com/XVilka/8346728.
+if match($TERM, '^xterm.*') != -1 || exists('g:started_by_firenvim')
+  set termguicolors
+endif
+" Use dark background
+set background=dark
+"}}
+
+"{{ Colorscheme settings
+let s:my_theme_dict = {}
+
+function! s:my_theme_dict.gruvbox8() dict abort
+  " We should check if theme exists before using it, otherwise you will get
+  " error message when starting Nvim
+  if !utils#HasColorscheme('gruvbox8') | return | endif
+
+  " Italic options should be put before colorscheme setting,
+  " see https://github.com/morhetz/gruvbox/wiki/Terminal-specific#1-italics-is-disabled
+  let g:gruvbox_italics=1
+  let g:gruvbox_italicize_strings=1
+  let g:gruvbox_filetype_hi_groups = 0
+  let g:gruvbox_plugin_hi_groups = 0
+  colorscheme gruvbox8_hard
+endfunction
+
+function! s:my_theme_dict.srcery() dict abort
+  if !utils#HasColorscheme('srcery') | return | endif
+
+  colorscheme srcery
+endfunction
+
+function! s:my_theme_dict.deus() dict abort
+  if !utils#HasColorscheme('deus') | return | endif
+
+  colorscheme deus
+endfunction
+
+function! s:my_theme_dict.happy_hacking() dict abort
+  if !utils#HasColorscheme('happy_hacking') | return | endif
+
+  colorscheme happy_hacking
+endfunction
+
+function! s:my_theme_dict.solarized8() dict abort
+  if !utils#HasColorscheme('solarized8') | return | endif
+
+  let g:solarized_term_italics=1
+  let g:solarized_visibility='high'
+  colorscheme solarized8_high
+endfunction
+
+function! s:my_theme_dict.monokai() dict abort
+  if !utils#HasColorscheme('monokai') | return | endif
+  colorscheme monokai
+endfunction
+
+function! s:my_theme_dict.vim_one() dict abort
+  if !utils#HasColorscheme('one') | return | endif
+
+  let g:one_allow_italics = 1
+  colorscheme one
+endfunction
+
+function! s:my_theme_dict.material() dict abort
+  if !utils#HasColorscheme('material') | return | endif
+
+  let g:material_terminal_italics = 1
+  " theme_style can be 'default', 'dark' or 'palenight'
+  let g:material_theme_style = 'default'
+  colorscheme material
+endfunction
+
+function! s:my_theme_dict.onedark() dict abort
+  if !utils#HasColorscheme('onedark') | return | endif
+
+  let g:onedark_terminal_italics = 1
+  colorscheme onedark
+endfunction
+
+function! s:my_theme_dict.neodark() dict abort
+  if !utils#HasColorscheme('neodark') | return | endif
+
+  colorscheme neodark
+endfunction
+
+function! s:my_theme_dict.toast() dict abort
+  if !utils#HasColorscheme('toast') | return | endif
+
+  colorscheme toast
+endfunction
+
+let s:candidate_theme = ['gruvbox8', 'srcery', 'deus', 'happy_hacking', 'solarized8',
+      \ 'monokai', 'vim_one', 'material', 'onedark',  'neodark', 'toast']
+let s:idx = utils#RandInt(0, len(s:candidate_theme)-1)
+let s:theme = s:candidate_theme[s:idx]
+
+let s:colorscheme_func = printf('s:my_theme_dict.%s()', s:theme)
+if has_key(s:my_theme_dict, s:theme)
+  execute 'call ' . s:colorscheme_func
+else
+  echohl WarningMsg
+  echomsg 'Invalid colorscheme function: ' s:colorscheme_func ', using default instead.'
+  echohl None
+endif
+"}}
+"}