From cae5f64931a75a9fdcb0ef523fc025f784e5a834 Mon Sep 17 00:00:00 2001
From: mathieui <mathieui@mathieui.net>
Date: Wed, 3 Jul 2013 00:21:13 +0200
Subject: Move backwards in the input the same way we move forward (ref #2183)

---
 src/windows.py | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/windows.py b/src/windows.py
index a270d732..0a31deed 100644
--- a/src/windows.py
+++ b/src/windows.py
@@ -1320,10 +1320,18 @@ class Input(Win):
         """
         if reset:
             self.reset_completion()
-        if self.pos == self.width-1 and self.line_pos > 0:
-            self.line_pos -= 1
+
+        if self.pos < (3*(self.width)//4) and self.line_pos > 0 and self.line_pos+self.pos-1<=len(self.text):
+            self.line_pos -= self.width//4
+            if self.line_pos < 0:
+                self.pos += (self.width//4) + self.line_pos - 1
+                self.line_pos = 0
+            else:
+                self.pos += self.width//4 - 1
         elif self.pos >= 1:
             self.pos -= 1
+        elif self.line_pos > 0:
+            self.line_pos -= 1
         if jump and self.pos+self.line_pos >= 1 and self.text[self.pos+self.line_pos-1] == '\x19':
             self.key_left()
         elif reset:
-- 
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