def display(self):
"""
Nicely formatted display of the location history, with current location
highlighted. If a clean display is present on the screen, this
overwrites it to perform an 'update'.
"""
buffer_size = get_buffer_size()
if self.shown and self.disp_size == buffer_size:
# We just need to update the previous display, so we
# go back to the original display start point
move_cursor(0, buffer_size[1] - self.offset_from_bottom)
else:
# We need to redisplay, so remember the start point for
# future updates
self.disp_size = buffer_size
self.offset_from_bottom = buffer_size[1] - get_cursor()[1]
stdout.write('\n')
lines_written = 2
stdout.write(color.Fore.DEFAULT + color.Back.DEFAULT)
for i in range(len(self.locations)):
location = self.locations[i]
if i < 9:
prefix = ' +%d ' % (i + 1)
else:
prefix = ' %d ' % (i + 1)
lines_written += (len(prefix + location) / buffer_size[0] + 1)
if i != self.index:
# Non-selected entry, simply print
stdout.write(prefix + location + '\n')
else:
# Currently selected entry, print with highlight
stdout.write(appearance.colors.dir_history_selection +
prefix +
location +
color.Fore.DEFAULT +
color.Back.DEFAULT)
stdout.write(' ' * (buffer_size[0] - get_cursor()[0]))
# Check whether we have overflown the buffer
if lines_written > self.offset_from_bottom:
self.offset_from_bottom = lines_written
# Mark a clean display of the history
self.shown = True
def check_overflow(self, line):
"""
Update the known location of a shown history to account for the
possibility of overflowing the display buffer.
"""
(buf_width, buf_height) = get_buffer_size()
(cur_x, cur_y) = get_cursor()
lines_written = len(line) // buf_width + 1
if cur_y + lines_written > buf_height:
self.offset_from_bottom += cur_y + lines_written - buf_height
def check_overflow(self, line):
"""
Update the known location of a shown history to account for the
possibility of overflowing the display buffer.
"""
(buf_width, buf_height) = get_buffer_size()
(cur_x, cur_y) = get_cursor()
lines_written = len(line) / buf_width + 1
if cur_y + lines_written > buf_height:
self.offset_from_bottom += cur_y + lines_written - buf_height
def display(self):
"""
Nicely formatted display of the location history, with current location
highlighted. If a clean display is present on the screen, this
overwrites it to perform an 'update'.
"""
buffer_size = get_buffer_size()
if self.shown and self.disp_size == buffer_size:
# We just need to update the previous display, so we
# go back to the original display start point
move_cursor(0, buffer_size[1] - self.offset_from_bottom)
else:
# We need to redisplay, so remember the start point for
# future updates
self.disp_size = buffer_size
self.offset_from_bottom = buffer_size[1] - get_cursor()[1]
stdout.write('\n')
lines_written = 2
stdout.write(color.Fore.DEFAULT + color.Back.DEFAULT)
for i in range(len(self.locations)):
location = self.locations[i]
prefix = ' %d ' % (i + 1)
lines_written += (len(prefix + location) / buffer_size[0] + 1)
if i != self.index:
# Non-selected entry, simply print
stdout.write(prefix + location + '\n')
else:
# Currently selected entry, print with highlight
stdout.write(appearance.colors.dir_history_selection +
prefix +
location +
color.Fore.DEFAULT +
color.Back.DEFAULT)
stdout.write(' ' * (buffer_size[0] - get_cursor()[0]))
# Check whether we have overflown the buffer
if lines_written > self.offset_from_bottom:
self.offset_from_bottom = lines_written
# Mark a clean display of the history
self.shown = True
get_viewport()[1]) / 4:
# We print multiple columns to save space
num_columns = (console.get_buffer_size()[0] -
1) / column_width
else:
# We print a single column for clarity
num_columns = 1
num_lines = len(suggestions) / num_columns
if len(suggestions) % num_columns != 0:
num_lines += 1
num_screens = 1.0 * num_lines / (get_viewport()[3] -
get_viewport()[1])
if num_screens >= 0.9:
# We ask for confirmation before displaying many completions
(c_x, c_y) = get_cursor()
offset_from_bottom = console.get_buffer_size(
)[1] - c_y
message = ' Scroll ' + str(int(
round(num_screens))) + ' screens? [Tab] '
stdout.write('\n' + message)
rec = read_input()
move_cursor(
c_x,
console.get_buffer_size()[1] -
offset_from_bottom)
stdout.write('\n' + ' ' * len(message))
move_cursor(
c_x,
console.get_buffer_size()[1] -
offset_from_bottom)
if column_width > console.get_buffer_size()[0] - 1:
column_width = console.get_buffer_size()[0] - 1
if len(suggestions) > (get_viewport()[3] - get_viewport()[1]) / 4:
# We print multiple columns to save space
num_columns = (console.get_buffer_size()[0] - 1) / column_width
else:
# We print a single column for clarity
num_columns = 1
num_lines = len(suggestions) / num_columns
if len(suggestions) % num_columns != 0:
num_lines += 1
num_screens = 1.0 * num_lines / (get_viewport()[3] - get_viewport()[1])
if num_screens >= 0.9:
# We ask for confirmation before displaying many completions
(c_x, c_y) = get_cursor()
offset_from_bottom = console.get_buffer_size()[1] - c_y
message = ' Scroll ' + str(int(round(num_screens))) + ' screens? [Tab] '
stdout.write('\n' + message)
rec = read_input()
move_cursor(c_x, console.get_buffer_size()[1] - offset_from_bottom)
stdout.write('\n' + ' ' * len(message))
move_cursor(c_x, console.get_buffer_size()[1] - offset_from_bottom)
if rec.Char != '\t':
continue
stdout.write('\n')
num_col_could_choose = num_lines # num_lines > 0
num_item_could_choose = len(string.lowercase)
while num_col_could_choose < num_item_could_choose :
num_col_could_choose = num_col_could_choose + num_lines
