def delete(self, track=True):
if track:
self.dirty = True
l, c = self.cursor
move.right()
lb, cb = self.cursor
move.left()
ch = vx.get_ch_linecol_window(self, l, c)
self.undo_tree.add(removal(ch, l, c, hold=True, box=(l, c, lb, cb)))
super(buffer, self).delete()
def delete(self, track=True):
if track:
self.dirty = True
l, c = self.cursor
move.right()
lb, cb = self.cursor
move.left()
ch = vx.get_ch_linecol_window(self, l, c)
self.undo_tree.add(removal(ch, l, c, hold=True,
box=(l, c, lb, cb)))
super().delete()
def backspace(self, track=True):
if track:
self.dirty = True
l, c = self.cursor
lb, cb = l, c
if l > 1 or c > 1:
c = c - 1
if c == 0:
l -= 1
move.up()
move.eol()
_, c = self.cursor
move.down()
move.bol()
ch = vx.get_ch_linecol_window(self, l, c)
if ch == '\t':
c -= 7
self.undo_tree.add(removal(ch, l, c, hold=False, box=(l, c, lb, cb)))
super(buffer, self).backspace()
def backspace(self, track=True):
if track:
self.dirty = True
l, c = self.cursor
lb, cb = l, c
if l > 1 or c > 1:
c = c - 1
if c == 0:
l -= 1
move.up()
move.eol()
_, c = self.cursor
move.down()
move.bol()
ch = vx.get_ch_linecol_window(self, l, c)
if ch == '\t':
c -= 7
self.undo_tree.add(
removal(ch, l, c, hold=False, box=(l, c, lb, cb)))
super().backspace()