From c0dd1c3f058777c68c14870f8a513fabdf0e797b Mon Sep 17 00:00:00 2001
From: Wang Shidong <wsdjeg@outlook.com>
Date: Sun, 19 Jul 2020 23:34:13 +0800
Subject: [PATCH] Fix location list statusline (#3653)

---
 autoload/SpaceVim/api/vim.vim                | 172 ++++++++++---------
 autoload/SpaceVim/layers/core/statusline.vim |  37 ++--
 2 files changed, 117 insertions(+), 92 deletions(-)

diff --git a/autoload/SpaceVim/api/vim.vim b/autoload/SpaceVim/api/vim.vim
index 8871502de..25ee60022 100644
--- a/autoload/SpaceVim/api/vim.vim
+++ b/autoload/SpaceVim/api/vim.vim
@@ -11,62 +11,62 @@ let s:self = {}
 let s:CMP = SpaceVim#api#import('vim#compatible')
 
 function! s:self.jumps() abort
-    let result = []
-    for jump in split(s:CMP.execute('jumps'), '\n')[1:]
-        let list = split(jump)
-        if len(list) < 4
-            continue
-        endif
+  let result = []
+  for jump in split(s:CMP.execute('jumps'), '\n')[1:]
+    let list = split(jump)
+    if len(list) < 4
+      continue
+    endif
 
-        let [linenr, col, file_text] = [list[1], list[2]+1, join(list[3:])]
-        let lines = getbufline(file_text, linenr)
-        let path = file_text
-        let bufnr = bufnr(file_text)
-        if empty(lines)
-            if stridx(join(split(getline(linenr))), file_text) == 0
-                let lines = [file_text]
-                let path = bufname('%')
-                let bufnr = bufnr('%')
-            elseif filereadable(path)
-                let bufnr = 0
-                let lines = ['buffer unloaded']
-            else
-                " Skip.
-                continue
-            endif
-        endif
+    let [linenr, col, file_text] = [list[1], list[2]+1, join(list[3:])]
+    let lines = getbufline(file_text, linenr)
+    let path = file_text
+    let bufnr = bufnr(file_text)
+    if empty(lines)
+      if stridx(join(split(getline(linenr))), file_text) == 0
+        let lines = [file_text]
+        let path = bufname('%')
+        let bufnr = bufnr('%')
+      elseif filereadable(path)
+        let bufnr = 0
+        let lines = ['buffer unloaded']
+      else
+        " Skip.
+        continue
+      endif
+    endif
 
-        if getbufvar(bufnr, '&filetype') ==# 'unite'
-            " Skip unite buffer.
-            continue
-        endif
+    if getbufvar(bufnr, '&filetype') ==# 'unite'
+      " Skip unite buffer.
+      continue
+    endif
 
-        call add(result, [linenr, col, file_text, path, bufnr, lines])
-    endfor
-    return result
+    call add(result, [linenr, col, file_text, path, bufnr, lines])
+  endfor
+  return result
 endfunction
 
 function! s:self.parse_string(line) abort
-    let expr = '`[^`]*`'
-    let i = 0
-    let line = []
-    while i < strlen(a:line) || i != -1
-        let [rst, m, n] = matchstrpos(a:line, expr, i)
-        if m == -1
-            call add(line, a:line[ i : -1 ])
-            break
-        else
-            call add(line, a:line[ i : m-1])
-            try
-                let rst = eval(rst[1:-2])
-            catch
-                let rst = ''
-            endtry
-            call add(line, rst)
-        endif
-        let i = n
-    endwhile
-    return join(line, '')
+  let expr = '`[^`]*`'
+  let i = 0
+  let line = []
+  while i < strlen(a:line) || i != -1
+    let [rst, m, n] = matchstrpos(a:line, expr, i)
+    if m == -1
+      call add(line, a:line[ i : -1 ])
+      break
+    else
+      call add(line, a:line[ i : m-1])
+      try
+        let rst = eval(rst[1:-2])
+      catch
+        let rst = ''
+      endtry
+      call add(line, rst)
+    endif
+    let i = n
+  endwhile
+  return join(line, '')
 endfunction
 
 
@@ -78,44 +78,44 @@ endfunction
 
 
 if exists('*nvim_win_set_cursor')
-    function! s:self.win_set_cursor(win, pos) abort
-        call nvim_win_set_cursor(a:win, a:pos)
-    endfunction
+  function! s:self.win_set_cursor(win, pos) abort
+    call nvim_win_set_cursor(a:win, a:pos)
+  endfunction
 elseif exists('*win_execute')
-    function! s:self.win_set_cursor(win, pos) abort
-        " @fixme use g` to move to cursor line
-        " this seem to be a bug of vim
-        " https://github.com/vim/vim/issues/5022
-        call win_execute(a:win, ':call cursor(' . a:pos[0] . ', ' . a:pos[1] . ')')
-        " call win_execute(a:win, ':' . a:pos[0])
-        call win_execute(a:win, ':normal! g"')
-    endfunction
+  function! s:self.win_set_cursor(win, pos) abort
+    " @fixme use g` to move to cursor line
+    " this seem to be a bug of vim
+    " https://github.com/vim/vim/issues/5022
+    call win_execute(a:win, ':call cursor(' . a:pos[0] . ', ' . a:pos[1] . ')')
+    " call win_execute(a:win, ':' . a:pos[0])
+    call win_execute(a:win, ':normal! g"')
+  endfunction
 elseif has('lua')
-    function! s:self.win_set_cursor(win, pos) abort
-        lua local winindex = vim.eval("win_id2win(a:win) - 1")
-        lua local w = vim.window(winindex)
-        lua w.line = vim.eval("a:pos[0]")
-        lua w.col = vim.eval("a:pos[1]")
-    endfunction
+  function! s:self.win_set_cursor(win, pos) abort
+    lua local winindex = vim.eval("win_id2win(a:win) - 1")
+    lua local w = vim.window(winindex)
+    lua w.line = vim.eval("a:pos[0]")
+    lua w.col = vim.eval("a:pos[1]")
+  endfunction
 else
-    function! s:self.win_set_cursor(win, pos) abort
+  function! s:self.win_set_cursor(win, pos) abort
 
-    endfunction
+  endfunction
 endif
 
 if exists('*nvim_buf_line_count')
-    function! s:self.buf_line_count(buf) abort
-        return nvim_buf_line_count(a:buf)
-    endfunction
+  function! s:self.buf_line_count(buf) abort
+    return nvim_buf_line_count(a:buf)
+  endfunction
 elseif has('lua')
-    function! s:self.buf_line_count(buf) abort
-        " lua numbers are floats, so use float2nr
-        return float2nr(luaeval('#vim.buffer(vim.eval("a:buf"))'))
-    endfunction
+  function! s:self.buf_line_count(buf) abort
+    " lua numbers are floats, so use float2nr
+    return float2nr(luaeval('#vim.buffer(vim.eval("a:buf"))'))
+  endfunction
 else
-    function! s:self.buf_line_count(buf) abort
-      return len(getbufline(a:buf, 1, '$'))
-    endfunction
+  function! s:self.buf_line_count(buf) abort
+    return len(getbufline(a:buf, 1, '$'))
+  endfunction
 endif
 
 function! s:self.setbufvar(buf, dict) abort
@@ -124,6 +124,16 @@ function! s:self.setbufvar(buf, dict) abort
   endfor
 endfunction
 
-function! SpaceVim#api#vim#get() abort
-    return deepcopy(s:self)
+function! s:self.get_qf_winnr() abort
+  let wins = filter(getwininfo(), 'v:val.quickfix && !v:val.loclist')
+  " assert(len(wins) <= 1)
+  return empty(wins) ? 0 : wins[0].winnr
+endfunction
+
+function! s:self.is_qf_win(winnr) abort
+  return a:winnr ==# self.get_qf_winnr()
+endfunction
+
+function! SpaceVim#api#vim#get() abort
+  return deepcopy(s:self)
 endfunction
diff --git a/autoload/SpaceVim/layers/core/statusline.vim b/autoload/SpaceVim/layers/core/statusline.vim
index dc0cb47bc..df43aa538 100644
--- a/autoload/SpaceVim/layers/core/statusline.vim
+++ b/autoload/SpaceVim/layers/core/statusline.vim
@@ -27,6 +27,7 @@ let s:STATUSLINE = SpaceVim#api#import('vim#statusline')
 let s:VIMCOMP = SpaceVim#api#import('vim#compatible')
 let s:SYSTEM = SpaceVim#api#import('system')
 let s:ICON = SpaceVim#api#import('unicode#icon')
+let s:VIM =  SpaceVim#api#import('vim')
 
 " init
 let s:separators = {
@@ -366,17 +367,31 @@ function! SpaceVim#layers#core#statusline#get(...) abort
           \ . '%#SpaceVim_statusline_b#'
           \ . ' vimfiler %#SpaceVim_statusline_b_SpaceVim_statusline_c#'
           \ . s:lsep
-  elseif &filetype ==# 'qf'
-    return '%#SpaceVim_statusline_ia#' 
-          \ . s:winnr(1)
-          \ . '%#SpaceVim_statusline_ia_SpaceVim_statusline_b#' . s:lsep
-          \ . '%#SpaceVim_statusline_b#'
-          \ . ' QuickFix %#SpaceVim_statusline_b_SpaceVim_statusline_c#'
-          \ . s:lsep
-          \ . ( has('patch-8.0.1384') ? ((getqflist({'title' : 0}).title ==# ':setqflist()') ? '' : 
-          \ '%#SpaceVim_statusline_c#'
-          \ . getqflist({'title' : 0}).title . '%#SpaceVim_statusline_c_SpaceVim_statusline_z#' . s:lsep
-          \ ) : '')
+  elseif &filetype ==# 'qf' 
+    if s:VIM.is_qf_win(winnr())
+      return '%#SpaceVim_statusline_ia#' 
+            \ . s:winnr(1)
+            \ . '%#SpaceVim_statusline_ia_SpaceVim_statusline_b#' . s:lsep
+            \ . '%#SpaceVim_statusline_b#'
+            \ . ' QuickFix %#SpaceVim_statusline_b_SpaceVim_statusline_c#'
+            \ . s:lsep
+            \ . ( has('patch-8.0.1384') ? ((getqflist({'title' : 0}).title ==# ':setqflist()') ? '' : 
+            \ '%#SpaceVim_statusline_c#'
+            \ . getqflist({'title' : 0}).title . '%#SpaceVim_statusline_c_SpaceVim_statusline_z#' . s:lsep
+            \ ) : '')
+    else
+      return '%#SpaceVim_statusline_ia#' 
+            \ . s:winnr(1)
+            \ . '%#SpaceVim_statusline_ia_SpaceVim_statusline_b#' . s:lsep
+            \ . '%#SpaceVim_statusline_b#'
+            \ . ' Location List %#SpaceVim_statusline_b_SpaceVim_statusline_c#'
+            \ . s:lsep
+            \ . ( has('patch-8.0.1384') ? ((getloclist(winnr(),{'title' : 0}).title ==# ':setloclist()') ? '' : 
+            \ '%#SpaceVim_statusline_c#'
+            \ . getloclist(winnr(),{'title' : 0}).title . '%#SpaceVim_statusline_c_SpaceVim_statusline_z#' . s:lsep
+            \ ) : '')
+
+    endif
   elseif &filetype ==# 'defx'
     return '%#SpaceVim_statusline_ia#' . s:winnr(1) . '%#SpaceVim_statusline_ia_SpaceVim_statusline_b#' . s:lsep
           \ . '%#SpaceVim_statusline_b# defx %#SpaceVim_statusline_b_SpaceVim_statusline_c#' . s:lsep . ' '