def _resize_graph(self):
"""
Prompts for user input to resize the graph panel. Options include...
* down arrow - grow graph
* up arrow - shrink graph
* enter / space - set size
"""
with nyx.curses.CURSES_LOCK:
try:
while True:
show_message('press the down/up to resize the graph, and enter when done', BOLD)
key = nyx.curses.key_input()
if key.match('down'):
# don't grow the graph if it's already consuming the whole display
# (plus an extra line for the graph/log gap)
max_height = nyx.curses.screen_size().height - self.get_top()
current_height = self.get_height()
if current_height < max_height + 1:
self.set_graph_height(self._graph_height + 1)
elif key.match('up'):
self.set_graph_height(self._graph_height - 1)
elif key.is_selection():
break
nyx_interface().redraw()
finally:
show_message()
def _edit_selected_value():
selected = self._scroller.selection(self._get_config_options())
initial_value = selected.value() if selected.is_set() else ''
new_value = input_prompt(
'%s Value (esc to cancel): ' % selected.name, initial_value)
if new_value != initial_value:
try:
if selected.value_type == 'Boolean':
# if the value's a boolean then allow for 'true' and 'false' inputs
if new_value.lower() == 'true':
new_value = '1'
elif new_value.lower() == 'false':
new_value = '0'
elif selected.value_type == 'LineList':
new_value = new_value.split(
',') # set_conf accepts list inputs
tor_controller().set_conf(selected.name, new_value)
self.redraw()
except Exception as exc:
show_message('%s (press any key)' % exc,
HIGHLIGHT,
max_wait=30)
def _show_snapshot_prompt(self):
"""
Lets user enter a path to take a snapshot, canceling if left blank.
"""
path_input = input_prompt('Path to save log snapshot: ')
if path_input:
try:
self.save_snapshot(path_input)
show_message('Saved: %s' % path_input, HIGHLIGHT, max_wait=2)
except IOError as exc:
show_message('Unable to save snapshot: %s' % exc,
HIGHLIGHT,
max_wait=2)
def show_menu():
menu = _make_menu()
cursor = MenuCursor(menu.children[0].children[0])
with nyx.curses.CURSES_LOCK:
show_message('Press m or esc to close the menu.', BOLD)
while not cursor.is_done:
selection_x = _draw_top_menubar(menu, cursor.selection)
_draw_submenu(cursor.selection, cursor.selection.submenu, 1,
selection_x)
cursor.handle_key(nyx.curses.key_input())
nyx_interface().redraw(True)
show_message()
def _show_write_dialog(self):
"""
Confirmation dialog for saving tor's configuration.
"""
controller = tor_controller()
torrc = controller.get_info('config-text', None)
if nyx.popups.confirm_save_torrc(torrc):
try:
controller.save_conf()
show_message('Saved configuration to %s' %
controller.get_info('config-file', '<unknown>'),
HIGHLIGHT,
max_wait=2)
except stem.OperationFailed as exc:
show_message('Unable to save configuration ([%s] %s)' %
(exc.code, exc.message),
HIGHLIGHT,
max_wait=2)
except stem.ControllerError as exc:
show_message('Unable to save configuration (%s)' % exc,
HIGHLIGHT,
max_wait=2)
self.redraw()
def _clear_log():
msg = 'This will clear the log. Are you sure (c again to confirm)?'
key_press = show_message(msg, BOLD, max_wait=30)
if key_press.match('c'):
self._clear()
