split out tab completion from char echo

src/fenrir/commands/onCursorChange/46000-tab_completion.py

@@ -0,0 +1,42 @@
+#!/bin/python
+# -*- coding: utf-8 -*-
+
+# Fenrir TTY screen reader
+# By Chrys, Storm Dragon, and contributers.
+
+from core import debug
+
+class command():
+    def __init__(self):
+        pass
+    def initialize(self, environment):
+        self.env = environment
+    def shutdown(self):
+        pass
+    def getDescription(self):
+        return 'No Description found'
+
+    def run(self):
+        # try to detect the tab completion by cursor change
+        xMove = abs(self.env['screen']['newCursor']['x'] - self.env['screen']['oldCursor']['x'])
+        if xMove == 1:
+            return
+        # is there any change?
+        if not self.env['runtime']['screenManager'].isDelta():
+            return            
+        if not( (xMove > 1) and xMove == len(self.env['screen']['newDelta'])):
+            return                 
+        # detect deletion or chilling 
+        if self.env['screen']['newCursor']['x'] <= self.env['screen']['oldCursor']['x']:
+            return
+        
+        # filter unneded space on word begin
+        currDelta = self.env['screen']['newDelta']
+        if len(currDelta.strip()) != len(currDelta) and \
+          currDelta.strip() != '':
+            currDelta = currDelta.strip()
+        self.env['runtime']['outputManager'].presentText(currDelta, interrupt=True, ignorePunctuation=True, announceCapital=True, flush=False)
+
+    def setCallback(self, callback):
+        pass
+