def kill(self):
'Delete line from point to end-of-line'
killed_segment = self.line[self.point:]
if killed_segment: # Do not overwrite yank buffer with empty segment
self.yank_buffer = killed_segment
self.line = self.line[:self.point] # point does not change
display.kill_line()
def redraw(self):
'redraw line'
# Maybe ^L on vt should refresh whole window or even whole frame?
display.move_to_column(self.start_col)
self.point = len(self.line)
util.putstr(self.line)
display.kill_line() # remove any leftover text past self.line
def cancel_eden_command(self):
'After execute() above, just discard the line, then return to display mode.'
self.collecting_command = False
# self.process_command()
# next two lines from discard method
self.move_beginning()
display.kill_line()
terminal.set_char_mode()
self.display_mode(ed.buf.lines[ed.buf.dot].rstrip()) # strip \n at eol
def discard(self): # name like gnu readline unix-line-discard
'Delete line from start-of-line to point'
killed_segment = self.line[:self.point]
if killed_segment: # Do not overwrite yank buffer with empty segment
self.yank_buffer = killed_segment
self.line = self.line[self.point:]
self.move_beginning() # accounts for prompt, assigns point
util.putstr(self.line)
display.kill_line() # remove any leftover text past self.line
self.move_beginning() # replace cursor again
def display_lines(self, first, last):
"""
Print lines in buffer numbered first through last.
Assumes cursor already positioned at first line.
"""
for line in self.buf.lines[first:last+1]: # slice, upper limit excluded
# remove \n, truncate don't wrap
print(line.rstrip()[:self.ncols-1], end=' ')
display.kill_line() # erase from cursor to end
print() # advance to next line
def open_line(self):
"""
Split line at point, replace line in buffer at dot
with its prefix, append suffix after line at dot.
"""
prefix = self.line[:self.point]
suffix = self.line[self.point:].rstrip()
ed.buf.replace(ed.buf.dot, prefix + '\n')
display.kill_line() # from cursor to end of line
ed.buf.a(ed.buf.dot, suffix + '\n') # calls update(Op.insert ...)
self.line = suffix
self.point = 0
self.start_col = 1
frame.put_display_cursor()
# buf.a() update moved cursor so we have to put it back.FIXME?Redundant?
win = frame.win
wdot = win.wline(win.buf.dot)
display.put_cursor(wdot,1)
def redraw(self):
'Refresh line'
display.move_to_column(self.start_col)
self.point = len(self.line)
util.putstr(self.line)
display.kill_line() # remove any leftover text past self.line
def discard(self): # name like gnu readline unix-line-discard
'discard line'
self.line = str()
self.move_beginning() # accounts for prompt, assigns point
display.kill_line() # erase from cursor to end of line
def kill(self):
'delete line from point to end-of-line'
self.line = self.line[:self.point] # point does not change
display.kill_line()
