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|
#
# Copyright (C) 2011 Nick Lanham <nick@afternight.org>
# Copyright (C) 2008-2009 Ido Abramovich <ido.deluge@gmail.com>
# Copyright (C) 2009 Andrew Resch <andrewresch@gmail.com>
#
# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
# the additional special exception to link portions of this program with the OpenSSL library.
# See LICENSE for more details.
#
import logging
import os
from deluge.decorators import overrides
from deluge.ui.console.modes.basemode import InputKeyHandler
from deluge.ui.console.utils import colors
from deluge.ui.console.utils import curses_util as util
from deluge.ui.console.utils.format_utils import (
delete_alt_backspace,
remove_formatting,
wrap_string,
)
try:
import curses
except ImportError:
pass
log = logging.getLogger(__name__)
class BaseField(InputKeyHandler):
def __init__(self, parent=None, name=None, selectable=True, **kwargs):
super().__init__()
self.name = name
self.parent = parent
self.fmt_keys = {}
self.set_fmt_key('font', 'ignore', kwargs)
self.set_fmt_key('color', 'white,black', kwargs)
self.set_fmt_key('color_end', 'white,black', kwargs)
self.set_fmt_key('color_active', 'black,white', kwargs)
self.set_fmt_key('color_unfocused', 'color', kwargs)
self.set_fmt_key('color_unfocused_active', 'black,whitegrey', kwargs)
self.set_fmt_key('font_active', 'font', kwargs)
self.set_fmt_key('font_unfocused', 'font', kwargs)
self.set_fmt_key('font_unfocused_active', 'font_active', kwargs)
self.default_col = kwargs.get('col', -1)
self._selectable = selectable
self.value = None
def selectable(self):
return self.has_input() and not self.depend_skip() and self._selectable
def set_fmt_key(self, key, default, kwargsdict=None):
value = self.fmt_keys.get(default, default)
if kwargsdict:
value = kwargsdict.get(key, value)
self.fmt_keys[key] = value
def get_fmt_keys(self, focused, active, **kwargs):
color_key = kwargs.get('color_key', 'color')
font_key = 'font'
if not focused:
color_key += '_unfocused'
font_key += '_unfocused'
if active:
color_key += '_active'
font_key += '_active'
return color_key, font_key
def build_fmt_string(self, focused, active, value_key='msg', **kwargs):
color_key, font_key = self.get_fmt_keys(focused, active, **kwargs)
return '{{!%({})s,%({})s!}}%({})s{{!%({})s!}}'.format(
color_key,
font_key,
value_key,
'color_end',
)
def depend_skip(self):
return False
def has_input(self):
return True
@overrides(InputKeyHandler)
def handle_read(self, c):
return util.ReadState.IGNORED
def render(self, screen, row, **kwargs):
return 0
@property
def height(self):
return 1
def set_value(self, value):
self.value = value
def get_value(self):
return self.value
class NoInputField(BaseField):
@overrides(BaseField)
def has_input(self):
return False
class InputField(BaseField):
def __init__(self, parent, name, message, format_default=None, **kwargs):
BaseField.__init__(self, parent=parent, name=name, **kwargs)
self.format_default = format_default
self.message = None
self.set_message(message)
depend = None
@overrides(BaseField)
def handle_read(self, c):
if c in [curses.KEY_ENTER, util.KEY_ENTER2, util.KEY_BACKSPACE2, 113]:
return util.ReadState.READ
return util.ReadState.IGNORED
def set_message(self, msg):
changed = self.message != msg
self.message = msg
return changed
def set_depend(self, i, inverse=False):
if not isinstance(i, CheckedInput):
raise Exception('Can only depend on CheckedInputs')
self.depend = i
self.inverse = inverse
def depend_skip(self):
if not self.depend:
return False
if self.inverse:
return self.depend.checked
else:
return not self.depend.checked
class Header(NoInputField):
def __init__(self, parent, header, space_above, space_below, **kwargs):
if 'name' not in kwargs:
kwargs['name'] = header
NoInputField.__init__(self, parent=parent, **kwargs)
self.header = '{!white,black,bold!}%s' % header
self.space_above = space_above
self.space_below = space_below
@overrides(BaseField)
def render(self, screen, row, col=0, **kwargs):
rows = 1
if self.space_above:
row += 1
rows += 1
self.parent.add_string(row, self.header, scr=screen, col=col, pad=False)
if self.space_below:
rows += 1
return rows
@property
def height(self):
return 1 + int(self.space_above) + int(self.space_below)
class InfoField(NoInputField):
def __init__(self, parent, name, label, value, **kwargs):
NoInputField.__init__(self, parent=parent, name=name, **kwargs)
self.label = label
self.value = value
self.txt = f'{label} {value}'
@overrides(BaseField)
def render(self, screen, row, col=0, **kwargs):
self.parent.add_string(row, self.txt, scr=screen, col=col, pad=False)
return 1
@overrides(BaseField)
def set_value(self, v):
self.value = v
if isinstance(v, float):
self.txt = f'{self.label} {self.value:.2f}'
else:
self.txt = f'{self.label} {self.value}'
class CheckedInput(InputField):
def __init__(
self,
parent,
name,
message,
checked=False,
checked_char='X',
unchecked_char=' ',
checkbox_format='[%s] ',
**kwargs,
):
InputField.__init__(self, parent, name, message, **kwargs)
self.set_value(checked)
self.fmt_keys.update(
{
'msg': message,
'checkbox_format': checkbox_format,
'unchecked_char': unchecked_char,
'checked_char': checked_char,
}
)
self.set_fmt_key('font_checked', 'font', kwargs)
self.set_fmt_key('font_unfocused_checked', 'font_checked', kwargs)
self.set_fmt_key('font_active_checked', 'font_active', kwargs)
self.set_fmt_key('font_unfocused_active_checked', 'font_active_checked', kwargs)
self.set_fmt_key('color_checked', 'color', kwargs)
self.set_fmt_key('color_active_checked', 'color_active', kwargs)
self.set_fmt_key('color_unfocused_checked', 'color_checked', kwargs)
self.set_fmt_key(
'color_unfocused_active_checked', 'color_unfocused_active', kwargs
)
@property
def checked(self):
return self.value
@overrides(BaseField)
def get_fmt_keys(self, focused, active, **kwargs):
color_key, font_key = super().get_fmt_keys(focused, active, **kwargs)
if self.checked:
color_key += '_checked'
font_key += '_checked'
return color_key, font_key
def build_msg_string(self, focused, active):
fmt_str = self.build_fmt_string(focused, active)
char = self.fmt_keys['checked_char' if self.checked else 'unchecked_char']
chk_box = ''
try:
chk_box = self.fmt_keys['checkbox_format'] % char
except KeyError:
pass
msg = fmt_str % self.fmt_keys
return chk_box + msg
@overrides(InputField)
def render(self, screen, row, col=0, **kwargs):
string = self.build_msg_string(kwargs.get('focused'), kwargs.get('active'))
self.parent.add_string(row, string, scr=screen, col=col, pad=False)
return 1
@overrides(InputField)
def handle_read(self, c):
if c == util.KEY_SPACE:
self.set_value(not self.checked)
return util.ReadState.CHANGED
return util.ReadState.IGNORED
@overrides(InputField)
def set_message(self, msg):
changed = InputField.set_message(self, msg)
if 'msg' in self.fmt_keys and self.fmt_keys['msg'] != msg:
changed = True
self.fmt_keys.update({'msg': msg})
return changed
class CheckedPlusInput(CheckedInput):
def __init__(
self,
parent,
name,
message,
child,
child_always_visible=False,
show_usage_hints=True,
msg_fmt='%s ',
**kwargs,
):
CheckedInput.__init__(self, parent, name, message, **kwargs)
self.child = child
self.child_active = False
self.show_usage_hints = show_usage_hints
self.msg_fmt = msg_fmt
self.child_always_visible = child_always_visible
@property
def height(self):
return max(2 if self.show_usage_hints else 1, self.child.height)
@overrides(CheckedInput)
def render(
self, screen, row, width=None, active=False, focused=False, col=0, **kwargs
):
isact = active and not self.child_active
CheckedInput.render(
self, screen, row, width=width, active=isact, focused=focused, col=col
)
rows = 1
if self.show_usage_hints and (
self.child_always_visible or (active and self.checked)
):
msg = '(esc to leave)' if self.child_active else '(right arrow to edit)'
self.parent.add_string(row + 1, msg, scr=screen, col=col, pad=False)
rows += 1
msglen = len(
self.msg_fmt % colors.strip_colors(self.build_msg_string(focused, active))
)
# show child
if self.checked or self.child_always_visible:
crows = self.child.render(
screen,
row,
width=width - msglen,
active=self.child_active and active,
col=col + msglen,
cursor_offset=msglen,
)
rows = max(rows, crows)
else:
self.parent.add_string(
row,
'(enable to view/edit value)',
scr=screen,
col=col + msglen,
pad=False,
)
return rows
@overrides(CheckedInput)
def handle_read(self, c):
if self.child_active:
if c == util.KEY_ESC: # leave child on esc
self.child_active = False
return util.ReadState.READ
# pass keys through to child
return self.child.handle_read(c)
else:
if c == util.KEY_SPACE:
self.set_value(not self.checked)
return util.ReadState.CHANGED
if (self.checked or self.child_always_visible) and c == curses.KEY_RIGHT:
self.child_active = True
return util.ReadState.READ
return util.ReadState.IGNORED
def get_child(self):
return self.child
class IntSpinInput(InputField):
def __init__(
self,
parent,
name,
message,
move_func,
value,
min_val=None,
max_val=None,
inc_amt=1,
incr_large=10,
strict_validation=False,
fmt='%d',
**kwargs,
):
InputField.__init__(self, parent, name, message, **kwargs)
self.convert_func = int
self.fmt = fmt
self.valstr = str(value)
self.default_str = self.valstr
self.set_value(value)
self.default_value = self.value
self.last_valid_value = self.value
self.last_active = False
self.cursor = len(self.valstr)
self.cursoff = (
colors.get_line_width(self.message) + 3
) # + 4 for the " [ " in the rendered string
self.move_func = move_func
self.strict_validation = strict_validation
self.min_val = min_val
self.max_val = max_val
self.inc_amt = inc_amt
self.incr_large = incr_large
def validate_value(self, value, on_invalid=None):
if (self.min_val is not None) and value < self.min_val:
value = on_invalid if on_invalid else self.min_val
if (self.max_val is not None) and value > self.max_val:
value = on_invalid if on_invalid else self.max_val
return value
@overrides(InputField)
def render(
self, screen, row, active=False, focused=True, col=0, cursor_offset=0, **kwargs
):
if active:
self.last_active = True
elif self.last_active:
self.set_value(
self.valstr, validate=True, value_on_fail=self.last_valid_value
)
self.last_active = False
fmt_str = self.build_fmt_string(focused, active, value_key='value')
value_format = '%(msg)s {!input!}'
if not self.valstr:
value_format += '[ ]'
elif self.format_default and self.valstr == self.default_str:
value_format += '[ {!magenta,black!}%(value)s{!input!} ]'
else:
value_format += '[ ' + fmt_str + ' ]'
self.parent.add_string(
row,
value_format
% dict({'msg': self.message, 'value': '%s' % self.valstr}, **self.fmt_keys),
scr=screen,
col=col,
pad=False,
)
if active:
if focused:
util.safe_curs_set(util.Curser.NORMAL)
self.move_func(row, self.cursor + self.cursoff + cursor_offset)
else:
util.safe_curs_set(util.Curser.INVISIBLE)
return 1
@overrides(InputField)
def handle_read(self, c):
if c == util.KEY_SPACE:
return util.ReadState.READ
elif c == curses.KEY_PPAGE:
self.set_value(self.value + self.inc_amt, validate=True)
elif c == curses.KEY_NPAGE:
self.set_value(self.value - self.inc_amt, validate=True)
elif c == util.KEY_ALT_AND_KEY_PPAGE:
self.set_value(self.value + self.incr_large, validate=True)
elif c == util.KEY_ALT_AND_KEY_NPAGE:
self.set_value(self.value - self.incr_large, validate=True)
elif c == curses.KEY_LEFT:
self.cursor = max(0, self.cursor - 1)
elif c == curses.KEY_RIGHT:
self.cursor = min(len(self.valstr), self.cursor + 1)
elif c == curses.KEY_HOME:
self.cursor = 0
elif c == curses.KEY_END:
self.cursor = len(self.valstr)
elif c == curses.KEY_BACKSPACE or c == util.KEY_BACKSPACE2:
if self.valstr and self.cursor > 0:
new_val = self.valstr[: self.cursor - 1] + self.valstr[self.cursor :]
self.set_value(
new_val,
validate=False,
cursor=self.cursor - 1,
cursor_on_fail=True,
value_on_fail=self.valstr if self.strict_validation else None,
)
elif c == curses.KEY_DC: # Del
if self.valstr and self.cursor <= len(self.valstr):
if self.cursor == 0:
new_val = self.valstr[1:]
else:
new_val = (
self.valstr[: self.cursor] + self.valstr[self.cursor + 1 :]
)
self.set_value(
new_val,
validate=False,
cursor=False,
value_on_fail=self.valstr if self.strict_validation else None,
cursor_on_fail=True,
)
elif c == ord('-'): # minus
self.set_value(
self.value - 1,
validate=True,
cursor=True,
cursor_on_fail=True,
value_on_fail=self.value,
on_invalid=self.value,
)
elif c == ord('+'): # plus
self.set_value(
self.value + 1,
validate=True,
cursor=True,
cursor_on_fail=True,
value_on_fail=self.value,
on_invalid=self.value,
)
elif util.is_int_chr(c):
if self.strict_validation:
new_val = (
self.valstr[: self.cursor - 1]
+ chr(c)
+ self.valstr[self.cursor - 1 :]
)
self.set_value(
new_val,
validate=True,
cursor=self.cursor + 1,
value_on_fail=self.valstr,
on_invalid=self.value,
)
else:
minus_place = self.valstr.find('-')
if self.cursor > minus_place:
new_val = (
self.valstr[: self.cursor] + chr(c) + self.valstr[self.cursor :]
)
self.set_value(
new_val,
validate=True,
cursor=self.cursor + 1,
on_invalid=self.value,
)
else:
return util.ReadState.IGNORED
return util.ReadState.READ
@overrides(BaseField)
def set_value(
self,
val,
cursor=True,
validate=False,
cursor_on_fail=False,
value_on_fail=None,
on_invalid=None,
):
value = None
try:
value = self.convert_func(val)
if validate:
validated = self.validate_value(value, on_invalid)
if validated != value:
# Value was not valid, so use validated value instead.
# Also set cursor according to validated value
cursor = True
value = validated
new_valstr = self.fmt % value
if new_valstr == self.valstr:
# If string has not change, keep cursor
cursor = False
self.valstr = new_valstr
self.last_valid_value = self.value = value
except ValueError:
if value_on_fail is not None:
self.set_value(
value_on_fail,
cursor=cursor,
cursor_on_fail=cursor_on_fail,
validate=validate,
on_invalid=on_invalid,
)
return
self.value = None
self.valstr = val
if cursor_on_fail:
self.cursor = cursor
except TypeError:
import traceback
log.warning('TypeError: %s', ''.join(traceback.format_exc()))
else:
if cursor is True:
self.cursor = len(self.valstr)
elif cursor is not False:
self.cursor = cursor
class FloatSpinInput(IntSpinInput):
def __init__(self, parent, message, name, move_func, value, precision=1, **kwargs):
self.precision = precision
IntSpinInput.__init__(self, parent, message, name, move_func, value, **kwargs)
self.fmt = '%%.%df' % precision
self.convert_func = lambda valstr: round(float(valstr), self.precision)
self.set_value(value)
self.cursor = len(self.valstr)
@overrides(IntSpinInput)
def handle_read(self, c):
if c == ord('.'):
minus_place = self.valstr.find('-')
if self.cursor <= minus_place:
return util.ReadState.READ
point_place = self.valstr.find('.')
if point_place >= 0:
return util.ReadState.READ
new_val = self.valstr[: self.cursor] + chr(c) + self.valstr[self.cursor :]
self.set_value(new_val, validate=True, cursor=self.cursor + 1)
else:
return IntSpinInput.handle_read(self, c)
class SelectInput(InputField):
def __init__(
self,
parent,
name,
message,
opts,
vals,
active_index,
active_default=False,
require_select_action=True,
**kwargs,
):
InputField.__init__(self, parent, name, message, **kwargs)
self.opts = opts
self.vals = vals
self.active_index = active_index
self.selected_index = active_index
self.default_option = active_index if active_default else None
self.require_select_action = require_select_action
self.fmt_keys.update({'font_active': 'bold'})
font_selected = kwargs.get('font_selected', 'bold,underline')
self.set_fmt_key('font_selected', font_selected, kwargs)
self.set_fmt_key('font_active_selected', 'font_selected', kwargs)
self.set_fmt_key('font_unfocused_selected', 'font_selected', kwargs)
self.set_fmt_key(
'font_unfocused_active_selected', 'font_active_selected', kwargs
)
self.set_fmt_key('color_selected', 'color', kwargs)
self.set_fmt_key('color_active_selected', 'color_active', kwargs)
self.set_fmt_key('color_unfocused_selected', 'color_selected', kwargs)
self.set_fmt_key(
'color_unfocused_active_selected', 'color_unfocused_active', kwargs
)
self.set_fmt_key('color_default_value', 'magenta,black', kwargs)
self.set_fmt_key('color_default_value', 'magenta,black')
self.set_fmt_key('color_default_value_active', 'magentadark,white')
self.set_fmt_key('color_default_value_selected', 'color_default_value', kwargs)
self.set_fmt_key('color_default_value_unfocused', 'color_default_value', kwargs)
self.set_fmt_key(
'color_default_value_unfocused_selected',
'color_default_value_selected',
kwargs,
)
self.set_fmt_key('color_default_value_active_selected', 'magentadark,white')
self.set_fmt_key(
'color_default_value_unfocused_active_selected',
'color_unfocused_active',
kwargs,
)
@property
def height(self):
return 1 + bool(self.message)
@overrides(BaseField)
def get_fmt_keys(self, focused, active, selected=False, **kwargs):
color_key, font_key = super().get_fmt_keys(focused, active, **kwargs)
if selected:
color_key += '_selected'
font_key += '_selected'
return color_key, font_key
@overrides(InputField)
def render(self, screen, row, active=False, focused=True, col=0, **kwargs):
if self.message:
self.parent.add_string(row, self.message, scr=screen, col=col, pad=False)
row += 1
off = col + 1
for i, opt in enumerate(self.opts):
self.fmt_keys['msg'] = opt
fmt_args = {'selected': i == self.selected_index}
if i == self.default_option:
fmt_args['color_key'] = 'color_default_value'
fmt = self.build_fmt_string(
focused, (i == self.active_index) and active, **fmt_args
)
string = '[%s]' % (fmt % self.fmt_keys)
self.parent.add_string(row, string, scr=screen, col=off, pad=False)
off += len(opt) + 3
if self.message:
return 2
else:
return 1
@overrides(InputField)
def handle_read(self, c):
if c == curses.KEY_LEFT:
self.active_index = max(0, self.active_index - 1)
if not self.require_select_action:
self.selected_index = self.active_index
elif c == curses.KEY_RIGHT:
self.active_index = min(len(self.opts) - 1, self.active_index + 1)
if not self.require_select_action:
self.selected_index = self.active_index
elif c == ord(' '):
if self.require_select_action:
self.selected_index = self.active_index
else:
return util.ReadState.IGNORED
return util.ReadState.READ
@overrides(BaseField)
def get_value(self):
return self.vals[self.selected_index]
@overrides(BaseField)
def set_value(self, value):
for i, val in enumerate(self.vals):
if value == val:
self.selected_index = i
return
raise Exception('Invalid value for SelectInput')
class TextInput(InputField):
def __init__(
self,
parent,
name,
message,
move_func,
width,
value,
complete=False,
activate_input=False,
**kwargs,
):
InputField.__init__(self, parent, name, message, **kwargs)
self.move_func = move_func
self._width = width
self.value = value if value else ''
self.default_value = value
self.complete = complete
self.tab_count = 0
self.cursor = len(self.value)
self.opts = None
self.opt_off = 0
self.value_offset = 0
self.activate_input = activate_input # Wether input must be activated
self.input_active = not self.activate_input
@property
def width(self):
return self._width
@property
def height(self):
return 1 + bool(self.message)
def calculate_textfield_value(self, width, cursor_offset):
cursor_width = width
if self.cursor > (cursor_width - 1):
c_pos_abs = self.cursor - cursor_width
if cursor_width <= (self.cursor - self.value_offset):
new_cur = c_pos_abs + 1
self.value_offset = new_cur
else:
if self.cursor >= len(self.value):
c_pos_abs = len(self.value) - cursor_width
new_cur = c_pos_abs + 1
self.value_offset = new_cur
vstr = self.value[self.value_offset :]
if len(vstr) > cursor_width:
vstr = vstr[:cursor_width]
vstr = vstr.ljust(cursor_width)
else:
if len(self.value) <= cursor_width:
self.value_offset = 0
vstr = self.value.ljust(cursor_width)
else:
self.value_offset = min(self.value_offset, self.cursor)
vstr = self.value[self.value_offset :]
if len(vstr) > cursor_width:
vstr = vstr[:cursor_width]
vstr = vstr.ljust(cursor_width)
return vstr
def calculate_cursor_pos(self, width, col):
cursor_width = width
x_pos = self.cursor + col
if (self.cursor + col - self.value_offset) > cursor_width:
x_pos += self.value_offset
else:
x_pos -= self.value_offset
return min(width - 1 + col, x_pos)
@overrides(InputField)
def render(
self,
screen,
row,
width=None,
active=False,
focused=True,
col=0,
cursor_offset=0,
**kwargs,
):
if not self.value and not active and len(self.default_value) != 0:
self.value = self.default_value
self.cursor = len(self.value)
if self.message:
self.parent.add_string(row, self.message, scr=screen, col=col, pad=False)
row += 1
vstr = self.calculate_textfield_value(width, cursor_offset)
if active:
if self.opts:
self.parent.add_string(
row + 1, self.opts[self.opt_off :], scr=screen, col=col, pad=False
)
if focused and self.input_active:
util.safe_curs_set(
util.Curser.NORMAL
) # Make cursor visible when text field is focused
x_pos = self.calculate_cursor_pos(width, col)
self.move_func(row, x_pos)
fmt = '{!black,white,bold!}%s'
if (
self.format_default
and len(self.value) != 0
and self.value == self.default_value
):
fmt = '{!magenta,white!}%s'
if not active or not focused or self.input_active:
fmt = '{!white,grey,bold!}%s'
self.parent.add_string(
row, fmt % vstr, scr=screen, col=col, pad=False, trim=False
)
return self.height
@overrides(BaseField)
def set_value(self, val):
self.value = val
self.cursor = len(self.value)
@overrides(InputField)
def handle_read(self, c):
"""
Return False when key was swallowed, i.e. we recognised
the key and no further action by other components should
be performed.
"""
if self.activate_input:
if not self.input_active:
if c in [
curses.KEY_LEFT,
curses.KEY_RIGHT,
curses.KEY_HOME,
curses.KEY_END,
curses.KEY_ENTER,
util.KEY_ENTER2,
]:
self.input_active = True
return util.ReadState.READ
else:
return util.ReadState.IGNORED
elif c == util.KEY_ESC:
self.input_active = False
return util.ReadState.READ
if c == util.KEY_TAB and self.complete:
# Keep track of tab hit count to know when it's double-hit
self.tab_count += 1
if self.tab_count > 1:
second_hit = True
self.tab_count = 0
else:
second_hit = False
# We only call the tab completer function if we're at the end of
# the input string on the cursor is on a space
if self.cursor == len(self.value) or self.value[self.cursor] == ' ':
if self.opts:
prev = self.opt_off
self.opt_off += self.width - 3
# now find previous double space, best guess at a split point
# in future could keep opts unjoined to get this really right
self.opt_off = self.opts.rfind(' ', 0, self.opt_off) + 2
if (
second_hit and self.opt_off == prev
): # double tap and we're at the end
self.opt_off = 0
else:
opts = self.do_complete(self.value)
if len(opts) == 1: # only one option, just complete it
self.value = opts[0]
self.cursor = len(opts[0])
self.tab_count = 0
elif len(opts) > 1:
prefix = os.path.commonprefix(opts)
if prefix:
self.value = prefix
self.cursor = len(prefix)
if (
len(opts) > 1 and second_hit
): # display multiple options on second tab hit
sp = self.value.rfind(os.sep) + 1
self.opts = ' '.join([o[sp:] for o in opts])
# Cursor movement
elif c == curses.KEY_LEFT:
self.cursor = max(0, self.cursor - 1)
elif c == curses.KEY_RIGHT:
self.cursor = min(len(self.value), self.cursor + 1)
elif c == curses.KEY_HOME:
self.cursor = 0
elif c == curses.KEY_END:
self.cursor = len(self.value)
# Delete a character in the input string based on cursor position
elif c == curses.KEY_BACKSPACE or c == util.KEY_BACKSPACE2:
if self.value and self.cursor > 0:
self.value = self.value[: self.cursor - 1] + self.value[self.cursor :]
self.cursor -= 1
elif c == [util.KEY_ESC, util.KEY_BACKSPACE2] or c == [
util.KEY_ESC,
curses.KEY_BACKSPACE,
]:
self.value, self.cursor = delete_alt_backspace(self.value, self.cursor)
elif c == curses.KEY_DC:
if self.value and self.cursor < len(self.value):
self.value = self.value[: self.cursor] + self.value[self.cursor + 1 :]
elif c > 31 and c < 256:
# Emulate getwch
stroke = chr(c)
uchar = stroke
while not uchar:
try:
uchar = stroke.decode(self.parent.encoding)
except UnicodeDecodeError:
c = self.parent.parent.stdscr.getch()
stroke += chr(c)
if uchar:
if self.cursor == len(self.value):
self.value += uchar
else:
# Insert into string
self.value = (
self.value[: self.cursor] + uchar + self.value[self.cursor :]
)
# Move the cursor forward
self.cursor += 1
else:
self.opts = None
self.opt_off = 0
self.tab_count = 0
return util.ReadState.IGNORED
return util.ReadState.READ
def do_complete(self, line):
line = os.path.abspath(os.path.expanduser(line))
ret = []
if os.path.exists(line):
# This is a correct path, check to see if it's a directory
if os.path.isdir(line):
# Directory, so we need to show contents of directory
for f in os.listdir(line):
# Skip hidden
if f.startswith('.'):
continue
f = os.path.join(line, f)
if os.path.isdir(f):
f += os.sep
ret.append(f)
else:
# This is a file, but we could be looking for another file that
# shares a common prefix.
for f in os.listdir(os.path.dirname(line)):
if f.startswith(os.path.split(line)[1]):
ret.append(os.path.join(os.path.dirname(line), f))
else:
# This path does not exist, so lets do a listdir on it's parent
# and find any matches.
ret = []
if os.path.isdir(os.path.dirname(line)):
for f in os.listdir(os.path.dirname(line)):
if f.startswith(os.path.split(line)[1]):
p = os.path.join(os.path.dirname(line), f)
if os.path.isdir(p):
p += os.sep
ret.append(p)
return ret
class ComboInput(InputField):
def __init__(
self, parent, name, message, choices, default=None, searchable=True, **kwargs
):
InputField.__init__(self, parent, name, message, **kwargs)
self.choices = choices
self.default = default
self.set_value(default)
max_width = 0
for c in choices:
max_width = max(max_width, len(c[1]))
self.choices_width = max_width
self.searchable = searchable
@overrides(BaseField)
def render(self, screen, row, col=0, **kwargs):
fmt_str = self.build_fmt_string(kwargs.get('focused'), kwargs.get('active'))
string = '%s: [%10s]' % (self.message, fmt_str % self.fmt_keys)
self.parent.add_string(row, string, scr=screen, col=col, pad=False)
return 1
def _lang_selected(self, selected, *args, **kwargs):
if selected is not None:
self.set_value(selected)
self.parent.pop_popup()
@overrides(InputField)
def handle_read(self, c):
if c in [util.KEY_SPACE, curses.KEY_ENTER, util.KEY_ENTER2]:
def search_handler(key):
"""Handle keyboard input to seach the list"""
if not util.is_printable_chr(key):
return
selected = select_popup.current_selection()
def select_in_range(begin, end):
for i in range(begin, end):
val = select_popup.inputs[i].get_value()
if val.lower().startswith(chr(key)):
select_popup.set_selection(i)
return True
return False
# First search downwards
if not select_in_range(selected + 1, len(select_popup.inputs)):
# No match, so start at beginning
select_in_range(0, selected)
from deluge.ui.console.widgets.popup import ( # Must import here
SelectablePopup,
)
select_popup = SelectablePopup(
self.parent,
' %s ' % _('Select Language'),
self._lang_selected,
input_cb=search_handler if self.searchable else None,
border_off_west=1,
active_wrap=False,
width_req=self.choices_width + 12,
)
for choice in self.choices:
args = {'data': choice[0]}
select_popup.add_line(
choice[0],
choice[1],
selectable=True,
selected=choice[0] == self.get_value(),
**args,
)
self.parent.push_popup(select_popup)
return util.ReadState.CHANGED
return util.ReadState.IGNORED
@overrides(BaseField)
def set_value(self, val):
self.value = val
msg = None
for c in self.choices:
if c[0] == val:
msg = c[1]
break
if msg is None:
log.warning(
'Setting value "%s" found nothing in choices: %s', val, self.choices
)
self.fmt_keys.update({'msg': msg})
class TextField(BaseField):
def __init__(self, parent, name, value, selectable=True, value_fmt='%s', **kwargs):
BaseField.__init__(
self, parent=parent, name=name, selectable=selectable, **kwargs
)
self.value = value
self.value_fmt = value_fmt
self.set_value(value)
@overrides(BaseField)
def set_value(self, value):
self.value = value
self.txt = self.value_fmt % (value)
@overrides(BaseField)
def has_input(self):
return True
@overrides(BaseField)
def render(self, screen, row, active=False, focused=False, col=0, **kwargs):
util.safe_curs_set(
util.Curser.INVISIBLE
) # Make cursor invisible when text field is active
fmt = self.build_fmt_string(focused, active)
self.fmt_keys['msg'] = self.txt
string = fmt % self.fmt_keys
self.parent.add_string(row, string, scr=screen, col=col, pad=False, trim=False)
return 1
class TextArea(TextField):
def __init__(self, parent, name, value, value_fmt='%s', **kwargs):
TextField.__init__(
self, parent, name, value, selectable=False, value_fmt=value_fmt, **kwargs
)
@overrides(TextField)
def render(self, screen, row, col=0, **kwargs):
util.safe_curs_set(
util.Curser.INVISIBLE
) # Make cursor invisible when text field is active
color = '{!white,black!}'
lines = wrap_string(self.txt, self.parent.width - 3, 3, True)
for i, line in enumerate(lines):
self.parent.add_string(
row + i,
f'{color}{line}',
scr=screen,
col=col,
pad=False,
trim=False,
)
return len(lines)
@property
def height(self):
lines = wrap_string(self.txt, self.parent.width - 3, 3, True)
return len(lines)
@overrides(TextField)
def has_input(self):
return False
class DividerField(NoInputField):
def __init__(
self,
parent,
name,
value,
selectable=False,
fill_width=True,
value_fmt='%s',
**kwargs,
):
NoInputField.__init__(
self, parent=parent, name=name, selectable=selectable, **kwargs
)
self.value = value
self.value_fmt = value_fmt
self.set_value(value)
self.fill_width = fill_width
@overrides(BaseField)
def set_value(self, value):
self.value = value
self.txt = self.value_fmt % (value)
@overrides(BaseField)
def render(
self, screen, row, active=False, focused=False, col=0, width=None, **kwargs
):
util.safe_curs_set(
util.Curser.INVISIBLE
) # Make cursor invisible when text field is active
fmt = self.build_fmt_string(focused, active)
self.fmt_keys['msg'] = self.txt
if self.fill_width:
self.fmt_keys['msg'] = ''
string_len = len(remove_formatting(fmt % self.fmt_keys))
fill_len = width - string_len - (len(self.txt) - 1)
self.fmt_keys['msg'] = self.txt * fill_len
string = fmt % self.fmt_keys
self.parent.add_string(row, string, scr=screen, col=col, pad=False, trim=False)
return 1
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