From cead8efb48fbd770757f74246fefd1a3c7bec8ef Mon Sep 17 00:00:00 2001
From: Christian Brabandt <cb@256bit.org>
Date: Thu, 13 Jul 2023 16:47:35 +0200
Subject: [PATCH] term: allow to customize section_a and section_z

closes: #2647
---
 autoload/airline/extensions/term.vim | 33 ++++++++++++++++++++--------
 doc/airline.txt                      |  8 +++++++
 2 files changed, 32 insertions(+), 9 deletions(-)

diff --git a/autoload/airline/extensions/term.vim b/autoload/airline/extensions/term.vim
index 3bc25bb8..be5e92ce 100644
--- a/autoload/airline/extensions/term.vim
+++ b/autoload/airline/extensions/term.vim
@@ -6,31 +6,46 @@ scriptencoding utf-8
 call airline#parts#define_function('tmode', 'airline#extensions#term#termmode')
 call airline#parts#define('terminal', {'text': get(g:airline_mode_map, 't', 't'), 'accent': 'bold'})
 
-let s:spc = g:airline_symbols.space
 
-let s:section_a = airline#section#create_left(['terminal', 'tmode'])
-let s:section_z = airline#section#create(['linenr', 'maxlinenr'])
+function! s:GetAirlineSection()
+  if exists("g:airline_section_z_term")
+    let section_z = g:airline_section_z_term
+  else
+    let section_z = airline#section#create(['linenr', 'maxlinenr'])
+  endif
+
+  if exists("g:airline_section_a_term")
+    let section_a = g:airline_section_a_term
+  else
+    let section_a = airline#section#create_left(['terminal', 'tmode'])
+  endif
+  return [section_a, section_z]
+endfunction
 
 function! airline#extensions#term#apply(...) abort
   if &buftype ==? 'terminal' || bufname(a:2.bufnr)[0] ==? '!'
-    call a:1.add_section_spaced('airline_a', s:section_a)
+    let sections = s:GetAirlineSection()
+    let spc = g:airline_symbols.space
+    call a:1.add_section_spaced('airline_a', sections[0])
     call a:1.add_section_spaced('airline_b', s:neoterm_id(a:2.bufnr))
-    call a:1.add_section('airline_term', s:spc.s:termname(a:2.bufnr))
+    call a:1.add_section('airline_term', spc.s:termname(a:2.bufnr))
     call a:1.split()
     call a:1.add_section('airline_y', '')
-    call a:1.add_section_spaced('airline_z', s:section_z)
+    call a:1.add_section_spaced('airline_z', sections[1])
     return 1
   endif
 endfunction
 
 function! airline#extensions#term#inactive_apply(...) abort
   if getbufvar(a:2.bufnr, '&buftype') ==? 'terminal'
-    call a:1.add_section_spaced('airline_a', s:section_a)
+    let sections = s:GetAirlineSection()
+    let spc = g:airline_symbols.space
+    call a:1.add_section_spaced('airline_a', sections[0])
     call a:1.add_section_spaced('airline_b', s:neoterm_id(a:2.bufnr))
-    call a:1.add_section('airline_term', s:spc.s:termname(a:2.bufnr))
+    call a:1.add_section('airline_term', spc.s:termname(a:2.bufnr))
     call a:1.split()
     call a:1.add_section('airline_y', '')
-    call a:1.add_section_spaced('airline_z', s:section_z)
+    call a:1.add_section_spaced('airline_z', sections[1])
     return 1
   endif
 endfunction
diff --git a/doc/airline.txt b/doc/airline.txt
index 8cb21ecb..59ea9c67 100644
--- a/doc/airline.txt
+++ b/doc/airline.txt
@@ -1446,6 +1446,14 @@ Vim-Airline comes with a small extension for the styling the builtin
   let g:airline#extensions#term#enabled = 1
   default: 1
 
+* Use custom section_z >
+  let g:airline_section_z_term = '%p%% ☰  %l/%L, %v'
+  default: airline#section#create(['linenr', 'maxlinenr'])
+
+* Use custom section_a >
+  let g:airline_section_a_term = '%p%% ☰  %l/%L, %v'
+  default: airline#section#create_left(['terminal', 'tmode'])
+
 -------------------------------------                        *airline-tabws*
 vim-tabws <https://github.com/s1341/vim-tabws>