From aa4c669ea00b8658150b5b15784e717b51762562 Mon Sep 17 00:00:00 2001
From: w0rp <devw0rp@gmail.com>
Date: Tue, 25 Oct 2016 16:07:20 +0100
Subject: [PATCH] #148 - Check the cursor position so we don't try to echo too
 frequently.

---
 autoload/ale/cursor.vim | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/autoload/ale/cursor.vim b/autoload/ale/cursor.vim
index 7f49033..e9e678c 100644
--- a/autoload/ale/cursor.vim
+++ b/autoload/ale/cursor.vim
@@ -64,6 +64,7 @@ function! ale#cursor#EchoCursorWarning(...) abort
 endfunction
 
 let s:cursor_timer = -1
+let s:last_pos = [0, 0, 0]
 
 function! ale#cursor#EchoCursorWarningWithDelay() abort
     if s:cursor_timer != -1
@@ -71,5 +72,14 @@ function! ale#cursor#EchoCursorWarningWithDelay() abort
         let s:cursor_timer = -1
     endif
 
-    let s:cursor_timer = timer_start(10, function('ale#cursor#EchoCursorWarning'))
+    let l:pos = getcurpos()[0:2]
+
+    " Check the current buffer, line, and column number against the last
+    " recorded position. If the position has actually changed, *then*
+    " we should echo something. Otherwise we can end up doing processing
+    " the echo message far too frequently.
+    if l:pos != s:last_pos
+        let s:last_pos = l:pos
+        let s:cursor_timer = timer_start(10, function('ale#cursor#EchoCursorWarning'))
+    endif
 endfunction