Update vifm config file and add theme

vifm/colors/gruvbox.vifm

@@ -0,0 +1,29 @@
+" gruvbox color scheme approximation for vifm
+
+" Reset all styles first
+highlight clear
+
+highlight Border	cterm=none	ctermfg=235	ctermbg=default
+
+highlight TopLine	cterm=none	ctermfg=214	ctermbg=235
+highlight TopLineSel	cterm=bold	ctermfg=214	ctermbg=237
+
+highlight Win		cterm=none	ctermfg=223	ctermbg=default
+"highlight OtherWin  cterm=none	ctermfg=223	ctermbg=236
+highlight Directory	cterm=bold	ctermfg=109	ctermbg=default
+highlight CurrLine	cterm=bold,inverse	ctermfg=default	ctermbg=default
+highlight OtherLine	cterm=bold	ctermfg=default	ctermbg=235
+highlight Selected	cterm=none	ctermfg=223	ctermbg=237
+
+highlight JobLine	cterm=bold	ctermfg=116	ctermbg=238
+highlight StatusLine	cterm=bold	ctermfg=144	ctermbg=236
+highlight ErrorMsg	cterm=bold	ctermfg=167	ctermbg=default
+highlight WildMenu	cterm=bold	ctermfg=235	ctermbg=144
+highlight CmdLine	cterm=none	ctermfg=223	ctermbg=default
+
+highlight Executable	cterm=bold	ctermfg=142	ctermbg=default
+highlight Link		cterm=none	ctermfg=132	ctermbg=default
+highlight BrokenLink	cterm=bold	ctermfg=167	ctermbg=default
+highlight Device	cterm=none,standout	ctermfg=214	ctermbg=default
+highlight Fifo		cterm=none	ctermfg=172	ctermbg=default
+highlight Socket	cterm=bold	ctermfg=223	ctermbg=default

vifm/vifmrc

@@ -1,6 +1,6 @@
 " vim: filetype=vifm :
 "
-" Sample configuration file for vifm (last updated: 11 May, 2025)
+" Sample configuration file for vifm (last updated: 7 September 2025)
 "
 " You can edit this file by hand.  The " character at the beginning of a line
 " comments out the line.  Blank lines are ignored.  The basic format for each
@@ -43,6 +43,8 @@ elseif executable('vile')
 elseif $EDITOR != ''
     echo 'Note: using `'.$EDITOR.'` as an editor'
     let &vicmd = $EDITOR
+elseif executable('vi')
+    set vicmd=vi
 endif
 
 " This makes vifm perform file operations on its own instead of relying on
@@ -135,8 +137,12 @@ endif
 " Add -s to the default value to suppress "Permission denied" errors
 set grepprg="grep -n -H -I -r -s %i %a %s"
 
+" Enable preview of files in the right miller column (add `set miller` to turn
+" it on)
+set milleroptions+=rpreview:all
+
 " List of color schemes to try (picks the first one supported by the terminal)
-colorscheme Default-256 Default
+colorscheme gruvbox
 
 " ------------------------------------------------------------------------------
 " Bookmarks
@@ -180,8 +186,6 @@ command! reload :write | restart full
 " File handlers and previewers
 " ------------------------------------------------------------------------------
 
-filetype {*.pdf},<application/pdf> xdg-open %c %i &
-
 " Setting up handlers that are considered in all environments:
 "   filetype {pattern1,pattern2} program1,{Optional description}program2
 "
@@ -277,15 +281,19 @@ fileviewer {*.wav,*.mp3,*.flac,*.m4a,*.wma,*.ape,*.ac3,*.og[agx],*.spx,*.opus,
 filextype {*.avi,*.mp4,*.wmv,*.dat,*.3gp,*.ogv,*.mkv,*.mpg,*.mpeg,*.vob,
           \*.fl[icv],*.m2v,*.mov,*.webm,*.mts,*.m4v,*.r[am],*.qt,*.divx,
           \*.as[fx],*.unknown_video},
-         \<video/*>
+         \<video/*> vlc %f
-        \ {View using ffplay}
+" filextype {*.avi,*.mp4,*.wmv,*.dat,*.3gp,*.ogv,*.mkv,*.mpg,*.mpeg,*.vob,
-        \ ffplay -fs -hide_banner -autoexit %f,
+"           \*.fl[icv],*.m2v,*.mov,*.webm,*.mts,*.m4v,*.r[am],*.qt,*.divx,
-        \ {View using Dragon}
+"           \*.as[fx],*.unknown_video},
-        \ dragon %f:p,
+"          \<video/*>
-        \ {View using mplayer}
+"         \ {View using ffplay}
-        \ mplayer %f,
+"         \ ffplay -fs -hide_banner -autoexit %f,
-        \ {Play using mpv}
+"         \ {View using Dragon}
-        \ mpv %f,
+"         \ dragon %f:p,
+"         \ {View using mplayer}
+"         \ mplayer %f,
+"         \ {Play using mpv}
+"         \ mpv %f,
 fileviewer {*.avi,*.mp4,*.wmv,*.dat,*.3gp,*.ogv,*.mkv,*.mpg,*.mpeg,*.vob,
            \*.fl[icv],*.m2v,*.mov,*.webm,*.mts,*.m4v,*.r[am],*.qt,*.divx,
            \*.as[fx],*.unknown_video},