From 5d87ac1fe8d729f116bda2f90a7211ad309ddf5a Mon Sep 17 00:00:00 2001
From: Kevin Ushey <kevin@posit.co>
Date: Sun, 4 Jun 2023 00:21:37 -0700
Subject: [PATCH] Add :Jumps (#710)

Co-authored-by: Junegunn Choi <junegunn.c@gmail.com>
---
 README.md            |  1 +
 autoload/fzf/vim.vim | 41 +++++++++++++++++++++++++++++++++++++++++
 doc/fzf-vim.txt      |  3 ++-
 plugin/fzf.vim       |  1 +
 4 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 2fe1fd9..0e257ad 100644
--- a/README.md
+++ b/README.md
@@ -76,6 +76,7 @@ Commands
 | `:Tags [QUERY]`        | Tags in the project (`ctags -R`)                                                      |
 | `:BTags [QUERY]`       | Tags in the current buffer                                                            |
 | `:Marks`               | Marks                                                                                 |
+| `:Jumps`               | Jumps                                                                                 |
 | `:Windows`             | Windows                                                                               |
 | `:Locate PATTERN`      | `locate` command output                                                               |
 | `:History`             | `v:oldfiles` and open buffers                                                         |
diff --git a/autoload/fzf/vim.vim b/autoload/fzf/vim.vim
index 2566f56..05b8586 100755
--- a/autoload/fzf/vim.vim
+++ b/autoload/fzf/vim.vim
@@ -1169,6 +1169,47 @@ function! fzf#vim#marks(...)
   \ 'options': '+m -x --ansi --tiebreak=index --header-lines 1 --tiebreak=begin --prompt "Marks> "'}, a:000)
 endfunction
 
+" ------------------------------------------------------------------
+" Jumps
+" ------------------------------------------------------------------
+function! s:jump_format(line)
+  return substitute(a:line, '[0-9]\+', '\=s:yellow(submatch(0), "Number")', '')
+endfunction
+
+function! s:jump_sink(lines)
+  if len(a:lines) < 2
+    return
+  endif
+  let cmd = s:action_for(a:lines[0])
+  if !empty(cmd)
+    execute 'silent' cmd
+  endif
+  let idx = index(s:jumplist, a:lines[1])
+  if idx == -1
+    return
+  endif
+  let current = match(s:jumplist, '\v^\s*\>')
+  let delta = idx - current
+  if delta < 0
+    execute 'normal! ' . -delta . "\<C-O>"
+  else
+    execute 'normal! ' . delta . "\<C-I>"
+  endif
+endfunction
+
+function! fzf#vim#jumps(...)
+  redir => cout
+  silent jumps
+  redir END
+  let s:jumplist = split(cout, '\n')
+  let current = -match(s:jumplist, '\v^\s*\>')
+  return s:fzf('jumps', {
+  \ 'source'  : extend(s:jumplist[0:0], map(s:jumplist[1:], 's:jump_format(v:val)')),
+  \ 'sink*'   : s:function('s:jump_sink'),
+  \ 'options' : '+m -x --ansi --tiebreak=index --cycle --scroll-off 999 --sync --bind start:pos:'.current.' --tac --header-lines 1 --tiebreak=begin --prompt "Jumps> "',
+  \ }, a:000)
+endfunction
+
 " ------------------------------------------------------------------
 " Help tags
 " ------------------------------------------------------------------
diff --git a/doc/fzf-vim.txt b/doc/fzf-vim.txt
index 82bdbd7..c6d62a7 100644
--- a/doc/fzf-vim.txt
+++ b/doc/fzf-vim.txt
@@ -107,7 +107,7 @@ COMMANDS                                                      *fzf-vim-commands*
 ==============================================================================
 
 *:Files* *:GFiles* *:Buffers* *:Colors* *:Ag* *:Rg* *:RG* *:Lines* *:BLines* *:Tags* *:BTags* *:Marks*
-        *:Windows* *:Locate* *:History* *:Snippets* *:Commits* *:BCommits* *:Commands* *:Maps*
+ *:Jumps* *:Windows* *:Locate* *:History* *:Snippets* *:Commits* *:BCommits* *:Commands* *:Maps*
                                                           *:Helptags* *:Filetypes*
 
  -----------------------+--------------------------------------------------------------------------------------
@@ -126,6 +126,7 @@ COMMANDS                                                      *fzf-vim-commands*
   `:Tags [QUERY]`         | Tags in the project ( `ctags -R` )
   `:BTags [QUERY]`        | Tags in the current buffer
   `:Marks`                | Marks
+  `:Jumps`                | Jumps
   `:Windows`              | Windows
   `:Locate PATTERN`       |  `locate`  command output
   `:History`              |  `v:oldfiles`  and open buffers
diff --git a/plugin/fzf.vim b/plugin/fzf.vim
index 1466fce..c73931b 100644
--- a/plugin/fzf.vim
+++ b/plugin/fzf.vim
@@ -60,6 +60,7 @@ call s:defs([
 \'command!      -bang -nargs=* BTags                            call fzf#vim#buffer_tags(<q-args>, fzf#vim#with_preview({ "placeholder": "{2}:{3..}" }), <bang>0)',
 \'command! -bar -bang Snippets                                  call fzf#vim#snippets(<bang>0)',
 \'command! -bar -bang Commands                                  call fzf#vim#commands(<bang>0)',
+\'command! -bar -bang Jumps                                     call fzf#vim#jumps(<bang>0)',
 \'command! -bar -bang Marks                                     call fzf#vim#marks(<bang>0)',
 \'command! -bar -bang Helptags                                  call fzf#vim#helptags(fzf#vim#with_preview({ "placeholder": "--tag {2}:{3}:{4}" }), <bang>0)',
 \'command! -bar -bang Windows                                   call fzf#vim#windows(<bang>0)',