From 897aa5bd70b07831f98e884c63f52333f5a67439 Mon Sep 17 00:00:00 2001
From: Florent Le Coz <louiz@louiz.org>
Date: Thu, 5 May 2011 23:28:06 +0200
Subject: M-backspace deletes a word

---
 src/windows.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src')

diff --git a/src/windows.py b/src/windows.py
index ea4bfca2..bfe3102e 100644
--- a/src/windows.py
+++ b/src/windows.py
@@ -732,6 +732,7 @@ class Input(Win):
             'M-f': self.jump_word_right,
             "M-[1;5C": self.jump_word_right,
             "KEY_BACKSPACE": self.key_backspace,
+            "M-KEY_BACKSPACE": self.delete_word,
             '^?': self.key_backspace,
             '^J': self.add_line_break,
             }
@@ -756,6 +757,19 @@ class Input(Win):
     def is_empty(self):
         return len(self.text) == 0
 
+    def delete_word(self):
+        """
+        Delete the word behind the cursor.
+        """
+        if not len(self.text) or self.pos == 0:
+            return
+        separators = string.punctuation+' '
+        while self.pos > 0 and self.text[self.pos+self.line_pos-1] in separators:
+            self.key_backspace()
+        while self.pos > 0 and self.text[self.pos+self.line_pos-1] not in separators:
+            self.key_backspace()
+        return True
+
     def jump_word_left(self):
         """
         Move the cursor one word to the left
-- 
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