Implemented vimtex status message system

autoload/vimtex.vim

@@ -12,6 +12,7 @@ function! vimtex#init() " {{{1
   call s:init_environment()
 
   call vimtex#toc#init(s:initialized)
+  call vimtex#echo#init(s:initialized)
   call vimtex#fold#init(s:initialized)
   call vimtex#view#init(s:initialized)
   call vimtex#motion#init(s:initialized)
@@ -35,7 +36,7 @@ function! vimtex#info() " {{{1
   endif
 
   " Print buffer data
-  echo "b:vimtex"
+  call vimtex#echo#echo("b:vimtex\n")
   call s:print_dict(b:vimtex)
 
   " Print global data
@@ -48,8 +49,11 @@ function! vimtex#info() " {{{1
     endfor
 
     " Print data blob title line
-    echo "\n"
+    call vimtex#echo#formatted([
-    echo "g:vimtex#data[" . n . "] : " . remove(d, 'name')
+          \ "\n\ng:vimtex#data[",
+          \ ['VimtexSuccess', n],
+          \ '] : ',
+          \ ['VimtexSuccess', remove(d, 'name') . "\n"]])
     call s:print_dict(d)
     let n += 1
   endfor
@@ -61,7 +65,7 @@ function! vimtex#help() " {{{1
     xmap <buffer>
     omap <buffer>
   else
-    echo "Mappings not enabled"
+    call vimtex#echo#warning('vimtex mappings are not enabled')
   endif
 endfunction
 
@@ -82,8 +86,8 @@ function! vimtex#reinit() " {{{1
   "
   let n = bufnr('%')
   bufdo   if getbufvar('%', '&filetype') == 'tex' |
-        \   unlet b:vimtex                         |
+        \   unlet b:vimtex                        |
-        \   call vimtex#init()                     |
+        \   call vimtex#init()                    |
         \ endif
   silent execute 'buffer ' . n
 endfunction
@@ -309,17 +313,18 @@ function! s:print_dict(dict, ...) " {{{1
   for entry in sort(sort(items(a:dict),
         \ "s:print_dict_sort_2"),
         \ "s:print_dict_sort_1")
-    let title = repeat(' ', 2 + 2*level) . entry[0] . ' : '
+    let title = repeat(' ', 2 + 2*level) . entry[0]
     if type(entry[1]) == type([])
-      echo title
+      call vimtex#echo#echo(title)
       for val in entry[1]
-        echo repeat(' ', 4 + 2*level) . string(val)
+        call vimtex#echo#echo(repeat(' ', 4 + 2*level) . string(val), 'None')
       endfor
     elseif type(entry[1]) == type({})
-      echo title
+      call vimtex#echo#echo(title . "\n")
       call s:print_dict(entry[1], level + 1)
     else
-      echo printf('%-s%-s', title, string(entry[1]))
+      call vimtex#echo#formatted([title . ' : ',
+            \ ['None', string(entry[1]) . "\n"]])
     endif
   endfor
 endfunction

autoload/vimtex/complete.vim

@@ -19,16 +19,21 @@ function! vimtex#complete#init(initialized) " {{{1
 
   " Check if bibtex is available
   if !executable('bibtex')
-    echom "Warning: bibtex completion not available"
+    call vimtex#echo#warning('vimtex warning')
-    echom "         Missing executable: bibtex"
+    call vimtex#echo#warning('  bibtex completion is not available!',
+          \ 'None')
+    call vimtex#echo#warning('  bibtex is not executable', 'None')
     let s:bibtex = 0
   endif
 
   " Check if kpsewhich is required and available
-  if g:vimtex_complete_recursive_bib && !executable('kpsewhich')
+  if s:bibtex && g:vimtex_complete_recursive_bib && !executable('kpsewhichc')
-    echom "Warning: bibtex completion not available"
+    call vimtex#echo#warning('vimtex warning')
-    echom "         Missing executable: kpsewhich"
+    call vimtex#echo#warning('  bibtex completion is not available!',
-    echom "         You could try to turn off recursive bib functionality"
+          \ 'None')
+    call vimtex#echo#warning('  recursive bib search requires kpsewhich',
+          \ 'None')
+    call vimtex#echo#warning('  kpsewhich is not executable', 'None')
     let s:bibtex = 0
   endif
 

autoload/vimtex/echo.vim

@@ -0,0 +1,51 @@
+" vimtex - LaTeX plugin for Vim
+"
+" Maintainer: Karl Yngve Lervåg
+" Email:      karl.yngve@gmail.com
+"
+
+function! vimtex#echo#init(initialized) " {{{1
+  highlight link VimtexMsg ModeMsg
+  highlight link VimtexSuccess Statement
+  highlight link VimtexWarning WarningMsg
+endfunction
+
+function! vimtex#echo#echo(message, ...) " {{{1
+  let hl = len(a:000) > 0 ? a:0 : 'VimtexMsg'
+  execute 'echohl' hl
+  echo a:message
+  echohl None
+endfunction
+
+function! vimtex#echo#warning(message, ...) " {{{1
+  let hl = len(a:000) > 0 ? a:0 : 'VimtexWarning'
+  execute 'echohl' hl
+  echomsg a:message
+  echohl None
+endfunction
+
+function! vimtex#echo#formatted(parts) " {{{1
+  try
+    for part in a:parts
+      if type(part) == type('')
+        echohl VimtexMsg
+        echon part
+      else
+        execute 'echohl' part[0]
+        echon part[1]
+      endif
+      unlet part
+    endfor
+  finally
+    echohl None
+  endtry
+endfunction
+
+function! vimtex#echo#status(parts) " {{{1
+  echon "\r"
+  call vimtex#echo#formatted(a:parts)
+endfunction
+
+" }}}1
+
+" vim: fdm=marker sw=2

autoload/vimtex/latexmk.vim

@@ -82,16 +82,8 @@ function! vimtex#latexmk#callback(status) " {{{1
     call g:vimtex#data[b:vimtex.id].viewer.latexmk_callback()
   endif
 
-  echohl ModeMsg
+  call vimtex#echo#status(['latexmk compile: ',
-  echon "latexmk compile: "
+        \ a:status ? ['VimtexSuccess', 'success'] : ['VimtexWarning', 'fail']])
-  if a:status
-    echohl Statement
-    echon "success"
-  else
-    echohl WarningMsg
-    echon "fail"
-  endif
-  echohl None
 
   return ""
 endfunction
@@ -100,11 +92,8 @@ endfunction
 function! vimtex#latexmk#clean(full) " {{{1
   let data = g:vimtex#data[b:vimtex.id]
   if data.pid
-    echohl ModeMsg
+    call vimtex#echo#status(['latexmk clean: ',
-    echon "latexmk clean: "
+          \ ['VimtexWarning', 'not while latexmk is running!']])
-    echohl WarningMsg
-    echon "not while latexmk is running!"
-    echohl None
     return
   endif
 
@@ -126,15 +115,8 @@ function! vimtex#latexmk#clean(full) " {{{1
   call vimtex#util#execute(exe)
   let g:vimtex#data[b:vimtex.id].cmd_latexmk_clean = cmd
 
-  echohl ModeMsg
+  call vimtex#echo#status(['latexmk clean: ',
-  echon "latexmk clean: "
+        \ ['VimtexSuccess', 'finished' . (a:full ? ' (full)' : '')]])
-  echohl Statement
-  if a:full
-    echon "finished (full)"
-  else
-    echon "finished"
-  endif
-  echohl None
 endfunction
 
 " }}}1
@@ -164,7 +146,8 @@ endfunction
 function! vimtex#latexmk#compile() " {{{1
   let data = g:vimtex#data[b:vimtex.id]
   if data.pid
-    echomsg "latexmk is already running for `" . data.base . "'"
+    call vimtex#echo#status(['latexmk compile: ',
+          \ ['VimtexWarning', 'already running for `' . data.base . "'"]])
     return
   endif
 
@@ -178,10 +161,11 @@ function! vimtex#latexmk#compile() " {{{1
 
   if g:vimtex_latexmk_continuous
     call s:latexmk_set_pid(data)
-
+    call vimtex#echo#status(['latexmk compile: ',
-    echomsg 'latexmk started in continuous mode ...'
+          \ ['VimtexSuccess', 'started continuous mode']])
   else
-    echomsg 'latexmk compiling ...'
+    call vimtex#echo#status(['latexmk compile: ',
+          \ ['VimtexSuccess', 'compiling ...']])
   endif
 endfunction
 
@@ -189,7 +173,8 @@ endfunction
 function! vimtex#latexmk#compile_ss(verbose) " {{{1
   let data = g:vimtex#data[b:vimtex.id]
   if data.pid
-    echomsg "latexmk is already running for `" . data.base . "'"
+    call vimtex#echo#status(['latexmk compile: '
+          \ ['VimtexWarning', 'already running for `' . data.base . "'"]])
     return
   endif
 
@@ -221,11 +206,8 @@ function! vimtex#latexmk#errors_open(force) " {{{1
   let log = g:vimtex#data[b:vimtex.id].log()
   if empty(log)
     if a:force
-      echohl ModeMsg
+      call vimtex#echo#status(['latexmk errors: ',
-      echon "latexmk errors: "
+            \ ['VimtexWarning', 'No log file found']])
-      echohl WarningMsg
-      echon "No log file found!"
-      echohl None
     endif
     return
   endif
@@ -237,11 +219,8 @@ function! vimtex#latexmk#errors_open(force) " {{{1
   endif
   if empty(getqflist())
     if a:force
-      echohl ModeMsg
+      call vimtex#echo#status(['latexmk errors: ',
-      echon "latexmk errors: "
+            \ ['VimtexSuccess', 'No errors!']])
-      echohl Statement
-      echon "No errors!"
-      echohl None
     endif
     return
   endif
@@ -273,7 +252,7 @@ function! vimtex#latexmk#output() " {{{1
   if has_key(g:vimtex#data[b:vimtex.id], 'tmp')
     let tmp = g:vimtex#data[b:vimtex.id].tmp
   else
-    echo "vimtex: No output exists"
+    call vimtex#echo#status(['vimtex: ', ['VimtexWarning', 'No output exists']])
     return
   endif
 
@@ -309,7 +288,10 @@ function! vimtex#latexmk#status(detailed) " {{{1
     for data in g:vimtex#data
       if data.pid
         if !running
-          echo "latexmk is running"
+          call vimtex#echo#status(['latexmk status: ',
+                \ ['VimtexSuccess', "running\n"]])
+          call vimtex#echo#status([['None', '  pid    '],
+                \ ['None', "file\n"]])
           let running = 1
         endif
 
@@ -318,18 +300,23 @@ function! vimtex#latexmk#status(detailed) " {{{1
           let name = "..." . name[-winwidth('.')+23:]
         endif
 
-        echom printf('pid: %6s, file: %-s', data.pid, name)
+        call vimtex#echo#status([
+              \ ['None', printf('  %-6s ', data.pid)],
+              \ ['None', name . "\n"]])
       endif
     endfor
 
     if !running
-      echo "latexmk is not running"
+      call vimtex#echo#status(['latexmk status: ',
+            \ ['VimtexWarning', 'not running']])
     endif
   else
     if g:vimtex#data[b:vimtex.id].pid
-      echo "latexmk is running"
+      call vimtex#echo#status(['latexmk status: ',
+            \ ['VimtexSuccess', 'running']])
     else
-      echo "latexmk is not running"
+      call vimtex#echo#status(['latexmk status: ',
+            \ ['VimtexWarning', 'not running']])
     endif
   endif
 endfunction
@@ -341,17 +328,11 @@ function! vimtex#latexmk#stop() " {{{1
   if pid
     call s:latexmk_kill_pid(pid)
     let g:vimtex#data[b:vimtex.id].pid = 0
-    echohl ModeMsg
+    call vimtex#echo#status(['latexmk compile: ',
-    echon "latexmk compile: "
+          \ ['VimtexSuccess', 'stopped (' . base . ')']])
-    echohl Statement
-    echon "stopped (" . base . ")"
-    echohl None
   else
-    echohl ModeMsg
+    call vimtex#echo#status(['latexmk compile: ',
-    echon "latexmk compile: "
+          \ ['VimtexWarning', 'no process to stop (' . base . ')']])
-    echohl WarningMsg
-    echon "no process to stop (" . base . ")"
-    echohl None
   endif
 endfunction
 
@@ -516,8 +497,9 @@ function! s:system_incompatible() " {{{1
   "
   for cmd in required
     if !executable(cmd)
-      echom "Warning: Could not initialize vimtex#latexmk"
+      call vimtex#echo#warning('vimtex warning: ')
-      echom "         Missing executable: " . cmd
+      call vimtex#echo#warning('  vimtex#latexmk was not initialized', 'None')
+      call vimtex#echo#warning('  ' . cmd . ' is not executable', 'None')
       return 1
     endif
   endfor

autoload/vimtex/view.vim

@@ -27,8 +27,7 @@ function! vimtex#view#init(initialized) " {{{1
 
   let viewer = 's:' . g:vimtex_view_method
   if !exists(viewer)
-    echoerr "Viewer does not exist!"
+    echoerr 'vimtex viewer ' . g:vimtex_view_method . ' does not exist!'
-    echoerr "Viewer: " . g:vimtex_view_method
     return
   endif
 
@@ -68,7 +67,7 @@ endfor
 " {{{1 General
 function! s:general.init() dict " {{{2
   if !executable(g:vimtex_view_general_viewer)
-    echoerr "General viewer is not available!"
+    echoerr "vimtex viewer is not executable!"
     echoerr "g:vimtex_view_general_viewer = "
           \ . g:vimtex_view_general_viewer
   endif
@@ -92,11 +91,11 @@ endfunction
 " {{{1 MuPDF
 function! s:mupdf.init() dict " {{{2
   if !executable('mupdf')
-    echoerr "MuPDF is not available!"
+    echoerr "vimtex viewer MuPDF is not executable!"
   endif
 
   if !executable('xdotool')
-    echomsg "For full MuPDF support, please install xdotool"
+    call vimtex#echo#warning('vimtex viewer MuPDF requires xdotool!')
   endif
 
   let self.class = 'MuPDF'
@@ -170,7 +169,8 @@ function! s:mupdf.reverse_search() dict " {{{2
   if s:output_not_readable(outfile) | return | endif
 
   if !self.xwin_exists()
-    echomsg "Can't search backwards: Is the PDF file open?"
+    call vimtex#echo#warning(
+          \ 'vimtex reverse search failed (is MuPDF open?)')
     return
   endif
 
@@ -228,7 +228,7 @@ endfunction
 " {{{1 Okular
 function! s:okular.init() dict " {{{2
   if !executable('okular')
-    echoerr "okular is not available!"
+    echoerr "vimtex viewer Okular is not executable!"
   endif
 endfunction
 
@@ -250,7 +250,7 @@ endfunction
 " {{{1 qpdfview
 function! s:qpdfview.init() dict " {{{2
   if !executable('qpdfview')
-    echoerr "qpdfview is not available!"
+    echoerr "vimtex viewer qpdfview is not executable!"
   endif
 endfunction
 
@@ -274,7 +274,7 @@ endfunction
 " {{{1 SumatraPDF
 function! s:sumatrapdf.init() dict " {{{2
   if !executable('SumatraPDF')
-    echoerr "SumatraPDF is not available!"
+    echoerr "vimtex viewer SumatraPDF is not executable!"
   endif
 endfunction
 
@@ -297,11 +297,11 @@ endfunction
 " {{{1 Zathura
 function! s:zathura.init() dict " {{{2
   if !executable('zathura')
-    echoerr "Zathura is not available!"
+    echoerr "vimtex viewer Zathura is not executable!"
   endif
 
   if !executable('xdotool')
-    echomsg "For full Zathura support, please install xdotool"
+    call vimtex#echo#warning('vimtex viewer Zathura requires xdotool!')
   endif
 
   let self.class = 'Zathura'
@@ -379,7 +379,7 @@ endfunction
 
 function! s:output_not_readable(output) " {{{2
   if !filereadable(a:output)
-    echomsg "Can't view: Output file is not readable!"
+    call vimtex#echo#warning('vimtex viewer can not read PDF file!')
     return 1
   else
     return 0
@@ -395,7 +395,8 @@ function! s:xwin_get_id() dict " {{{2
   let cmd = 'xdotool search --class ' . self.class
   let xwin_ids = systemlist(cmd)
   if len(xwin_ids) == 0
-    echomsg "Couldn't find " . self.class . " window ID!"
+    call vimtex#echo#warning(
+          \ 'vimtex viewer can not find ' . self.class . ' window ID!')
     let self.xwin_id = 0
   else
     let self.xwin_id = xwin_ids[-1]