From f718af82030c7a5d295ebff54482b184ec0a7e39 Mon Sep 17 00:00:00 2001
From: Hugues Hiegel <hugues.hiegel@qosmos.com>
Date: Tue, 19 Jun 2012 17:51:13 +0200
Subject: [Prompt] little display tweaks to speed up things. 'reset-prompt' zle
 rewritten.

---
 01_Internal.zsh | 16 +++++++++++-----
 12_Prompts.zsh  |  2 +-
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/01_Internal.zsh b/01_Internal.zsh
index 6ac5ec5..ee25c75 100644
--- a/01_Internal.zsh
+++ b/01_Internal.zsh
@@ -16,6 +16,10 @@
 # go see the file Prompts.zsh
 #
 
+_cuu1_=$(tput cuu1)
+_cud1_=$(tput cud1)
+_cub1_=$(tput cub 1)
+_cuf1_=$(tput cuf 1)
 
 __cmd_exists ()
 {
@@ -383,14 +387,15 @@ __get_prompt_lines()
 # Rewrites current prompt.
 __redisplay_ps1 ()
 {
-    tput sc
-    up_up - 1
     __redefine_prompt
 
+    tput sc
+    up_up - 1
     print -Pn "$PS1"
     tput rc
 }
-zle -N __redisplay_ps1
+zle -D reset-prompt
+zle -N reset-prompt __redisplay_ps1
 
 __clear ()
 {
@@ -400,9 +405,10 @@ __clear ()
 
 up_up ()
 {
+    local _up=""
     for i in {1..$(($(__get_prompt_lines) $@ ))}
-        tput cuu1
-    print -Pn '\r'
+        _up+=$_cuu1_
+    print -Pn $_up'\r'
 }
 
 _rehash ()
diff --git a/12_Prompts.zsh b/12_Prompts.zsh
index ba8b7be..2b2255a 100644
--- a/12_Prompts.zsh
+++ b/12_Prompts.zsh
@@ -291,7 +291,7 @@ __two_lines_prompt ()
     for trigger in $PS1_TASKBAR
     do
         result=$($trigger)
-        [ -n "$result" ] && PS1_+=$(tput cuf 1)${result}$C_$_prompt_colors[bar]$_C
+        [ -n "$result" ] && PS1_+=$_cuf1_${result}$C_$_prompt_colors[bar]$_C
     done
 
     PS1_+=$(__show_date)
-- 
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