Show lower precision blocks on Windows.

The high precision block characters do not display properly.

autoload/startuptime.vim

@@ -419,13 +419,21 @@ function! s:ConstrainPattern(pattern, lines, columns)
 endfunction
 
 function! s:CreatePlotLine(size, max, width)
-  if has('multi_byte') && &encoding ==# 'utf-8'
+  if g:startuptime_use_blocks
     let l:block_chars = {
           \   1: nr2char(0x258F), 2: nr2char(0x258E),
           \   3: nr2char(0x258D), 4: nr2char(0x258C),
           \   5: nr2char(0x258B), 6: nr2char(0x258A),
           \   7: nr2char(0x2589), 8: nr2char(0x2588)
           \ }
+    if !g:startuptime_fine_blocks
+      let l:block_chars[1] = ''
+      let l:block_chars[2] = ''
+      let l:block_chars[3] = l:block_chars[4]
+      let l:block_chars[5] = l:block_chars[4]
+      let l:block_chars[6] = l:block_chars[8]
+      let l:block_chars[7] = l:block_chars[8]
+    endif
     let l:width = 0.0 + a:width * a:size / a:max
     let l:plot = repeat(l:block_chars[8], float2nr(l:width))
     let l:remainder = s:Max([0.0, l:width - float2nr(l:width)])

doc/startuptime.txt

@@ -127,6 +127,13 @@ than these options.
 *g:startuptime_colorize*                  `1`
   Specifies whether table data is
   colorized
+*g:startuptime_use_blocks*                `1` if 'encoding' is set to "utf-8"
+  Specifies whether Unicode block       and `0` otherwise
+  elements are used for plotting
+*g:startuptime_fine_blocks*               `0` on Windows and `1` otherwise
+  Specifies whether 1/8 increments
+  are used for Unicode blocks (1/2
+  increments are used otherwise)
 
 The variables can be customized in your |.vimrc|, as shown in the following
 example.

doc/tags

@@ -3,6 +3,7 @@ g:startuptime_colorize	startuptime.txt	/*g:startuptime_colorize*
 g:startuptime_event_width	startuptime.txt	/*g:startuptime_event_width*
 g:startuptime_exe_args	startuptime.txt	/*g:startuptime_exe_args*
 g:startuptime_exe_path	startuptime.txt	/*g:startuptime_exe_path*
+g:startuptime_fine_blocks	startuptime.txt	/*g:startuptime_fine_blocks*
 g:startuptime_more_info_key_seq	startuptime.txt	/*g:startuptime_more_info_key_seq*
 g:startuptime_other_events	startuptime.txt	/*g:startuptime_other_events*
 g:startuptime_percent_width	startuptime.txt	/*g:startuptime_percent_width*
@@ -13,6 +14,7 @@ g:startuptime_sourcing_events	startuptime.txt	/*g:startuptime_sourcing_events*
 g:startuptime_split_edit_key_seq	startuptime.txt	/*g:startuptime_split_edit_key_seq*
 g:startuptime_time_width	startuptime.txt	/*g:startuptime_time_width*
 g:startuptime_tries	startuptime.txt	/*g:startuptime_tries*
+g:startuptime_use_blocks	startuptime.txt	/*g:startuptime_use_blocks*
 startuptime-arguments	startuptime.txt	/*startuptime-arguments*
 startuptime-color-customization	startuptime.txt	/*startuptime-color-customization*
 startuptime-configuration	startuptime.txt	/*startuptime-configuration*

plugin/startuptime.vim

@@ -15,6 +15,22 @@ endif
 " * User Configuration
 " *************************************************
 
+function! s:OnWsl()
+  " Recent versions of neovim provide a 'wsl' pseudo-feature.
+  if has('wsl') | return 1 | endif
+  if has('unix') && executable('uname')
+    let l:uname = system('uname -a')
+    if stridx(l:uname, 'Microsoft') ># -1
+      return 1
+    endif
+  endif
+  return 0
+endfunction
+
+" *************************************************
+" * User Configuration
+" *************************************************
+
 let g:startuptime_more_info_key_seq = 
       \ get(g:, 'startuptime_more_info_key_seq', 'K')
 let g:startuptime_split_edit_key_seq =
@@ -43,6 +59,17 @@ let g:startuptime_plot_width =
 let g:startuptime_colorize =
       \ get(g:, 'startuptime_colorize', 1)
 
+let s:use_blocks = has('multi_byte') && &g:encoding ==# 'utf-8'
+let g:startuptime_use_blocks =
+      \ get(g:, 'startuptime_use_blocks', s:use_blocks)
+" The built-in Windows terminal emulator (used for CMD, Powershell, and WSL)
+" does not properly display some block characters (i.e., the 1/8 precision
+" blocks) using the default font, Consolas. The characters display properly on
+" Cygwin using its default font, Lucida Console, and also when using Consolas.
+let s:win_term = has('win32') || s:OnWsl()
+let g:startuptime_fine_blocks =
+      \ get(g:, 'startuptime_fine_blocks', !s:win_term)
+
 " The default highlight groups (for colors) are specified below.
 " Change these default colors by defining or linking the corresponding
 " highlight groups.