def _onDown(self):
history = self._getHistory()
newLine = history.forward()
if newLine is not None:
self._setLine(newLine)
else:
term.bell()
def _onTab(self):
'''
Autocompletion logic is called here
'''
# TODO: autocomplete for raw menu
if self.inRawLineMode():
return
line = self._getLineStr()[:self._position] # take the line before the cursor
tokens = self._parseLine(line)
if not line.endswith(' ') and len(tokens)>0:
# if the cursor is after non-space, the last word is used
# as a hint for autocompletion
incomplete = tokens.pop()
else:
incomplete = ''
completions = self._context.suggest(tokens, incomplete)
if completions is None:
return
prefix = commonPrefix(completions)
if prefix != '':
self._paste(prefix)
elif len(completions) > 0:
term.writeln()
for variant in map(lambda c: c[1], completions):
term.write(variant + ' ')
term.writeln()
self._showPrompt()
self._showLine()
else:
term.bell()
def _onUp(self):
history = self._getHistory()
newLine = history.back(self._line)
if newLine is not None:
self._setLine(newLine)
else:
term.bell()
def _moveForward(self, steps=1):
for i in range(steps):
if self._position == len(self._line): term.bell()
term.write(self._line[self._position])
self._position += 1
def _onRight(self):
if self._position < len(self._line):
# self._position += 1
self._moveForward()
else:
term.bell()
def _onLeft(self):
if self._position > 0:
self._position -= 1
term.moveBack()
else:
term.bell()
