Added some navigation keys to the command bar same way as in a Linux

terminal
This commit is contained in:
Henrique 2019-11-25 15:41:58 -05:00
parent bbb7eb692f
commit 046779615f

View File

@ -67,6 +67,11 @@ class CommandBuffer:
else:
self._cursor = x
def set_text(self, text: str) -> None:
self.text = text
self._cursor = len(self.text)
self.render()
def render(self):
parts, remaining = self.master.commands.parse_partial(self.text)
ret = []
@ -133,6 +138,12 @@ class CommandBuffer:
self.cursor = self.cursor - 1
self.completion = None
def delete(self) -> None:
if self.cursor == len(self.text):
return
self.text = self.text[:self.cursor] + self.text[self.cursor + 1:]
self.completion = None
def insert(self, k: str) -> None:
"""
Inserts text at the cursor.
@ -197,16 +208,37 @@ class CommandEdit(urwid.WidgetWrap):
self.update()
def keypress(self, size, key) -> None:
if key == "backspace":
if key == "delete":
self.cbuf.delete()
elif key == "ctrl a" or key == 'home':
self.cbuf.cursor = 0
elif key == "ctrl e" or key == 'end':
self.cbuf.cursor = len(self.cbuf.text)
elif key == "meta b":
self.cbuf.cursor = self.cbuf.text.rfind(' ', 0, self.cbuf.cursor)
elif key == "meta f":
pos = self.cbuf.text.find(' ', self.cbuf.cursor + 1)
if pos == -1:
pos = len(self.cbuf.text)
self.cbuf.cursor = pos
elif key == "ctrl w":
txt = self.cbuf.text.strip()
if(txt != ''):
chunks = txt.split(' ')[0:-1]
if len(chunks) == 0:
self.cbuf.set_text(' '.join(chunks))
else:
self.cbuf.set_text(' '.join(chunks) + ' ')
elif key == "backspace":
self.cbuf.backspace()
elif key == "left":
elif key == "left" or key == "ctrl b":
self.cbuf.left()
elif key == "right":
elif key == "right" or key == "ctrl f":
self.cbuf.right()
elif key == "up":
elif key == "up" or key == "ctrl p":
self.history.add_command(self.cbuf)
self.cbuf = self.history.get_prev() or self.cbuf
elif key == "down":
elif key == "down" or key == "ctrl n":
self.cbuf = self.history.get_next() or self.cbuf
elif key == "shift tab":
self.cbuf.cycle_completion(False)