/usr/share/pyshared/quodlibet/qltk/searchbar.py is in exfalso 3.0.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2010-2011 Christoph Reiter, Steven Robertson
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation
import os
from gi.repository import Gtk, GObject, GLib
from quodlibet import config
from quodlibet import const
from quodlibet.parse import Query
from quodlibet.qltk.cbes import ComboBoxEntrySave
from quodlibet.qltk.x import Button
from quodlibet.util import limit_songs
class SearchBarBox(Gtk.HBox):
"""
A search bar widget for inputting queries.
signals:
query-changed - a parsable query string
focus-out - If the widget gets focused while being focused
(usually for focusing the songlist)
"""
__gsignals__ = {
'query-changed': (
GObject.SignalFlags.RUN_LAST, None, (object,)),
'focus-out': (GObject.SignalFlags.RUN_LAST, None, ()),
}
timeout = 400
def __init__(self, filename=None, completion=None, accel_group=None):
super(SearchBarBox, self).__init__(spacing=6)
if filename is None:
filename = os.path.join(const.USERDIR, "lists", "queries")
combo = ComboBoxEntrySave(filename, count=8,
validator=Query.is_valid_color, title=_("Saved Searches"),
edit_title=_("Edit saved searches..."))
self.__refill_id = None
self.__combo = combo
entry = combo.get_child()
self.__entry = entry
if completion:
entry.set_completion(completion)
self.connect('destroy', lambda w: w.__remove_timeout())
self.__sig = combo.connect('text-changed', self.__text_changed)
entry.connect('clear', self.__filter_changed)
entry.connect('backspace', self.__text_changed)
entry.connect('populate-popup', self.__menu)
entry.connect('activate', self.__filter_changed)
entry.connect('activate', self.__save_search)
entry.connect('focus-out-event', self.__save_search)
entry.set_placeholder_text(_("Search"))
entry.set_tooltip_text(_("Search your library, "
"using free text or QL queries"))
combo.enable_clear_button()
self.pack_start(combo, True, True, 0)
if accel_group:
key, mod = Gtk.accelerator_parse("<ctrl>L")
accel_group.connect(key, mod, 0,
lambda *x: entry.mnemonic_activate(True))
self.show_all()
def __inhibit(self):
self.__combo.handler_block(self.__sig)
def __uninhibit(self):
self.__combo.handler_unblock(self.__sig)
def set_text(self, text):
# remove the timeout
self.__remove_timeout()
# deactivate all signals and change the entry text
self.__inhibit()
self.__entry.set_text(text)
self.__uninhibit()
def get_text(self):
return self.__entry.get_text().decode("utf-8")
def changed(self):
"""Triggers a filter-changed signal if the current text
is a parsable query"""
self.__filter_changed()
def __menu(self, entry, menu):
self.show_menu(menu)
def show_menu(self, menu):
"""Overwrite this method for providing a menu"""
pass
def __mnemonic_activate(self, label, group_cycling):
widget = label.get_mnemonic_widget()
if widget.is_focus():
self.emit('focus-out')
return True
def __save_search(self, entry, *args):
# only save the query on focus-out if eager_search is turned on
if args and not config.getboolean('settings', 'eager_search'):
return
text = entry.get_text().decode('utf-8').strip()
if text and Query.is_parsable(text):
# Adding the active text to the model triggers a changed signal
# (get_active is no longer -1), so inhibit
self.__inhibit()
self.__combo.prepend_text(text)
self.__combo.write()
self.__uninhibit()
def __remove_timeout(self):
if self.__refill_id is not None:
GLib.source_remove(self.__refill_id)
self.__refill_id = None
def __filter_changed(self, *args):
self.__remove_timeout()
text = self.__entry.get_text().decode('utf-8')
if Query.is_parsable(text):
self.__refill_id = GLib.idle_add(
self.emit, 'query-changed', text)
def __text_changed(self, *args):
# the combobox has an active entry selected -> no timeout
# todo: we need a timeout when the selection changed because
# of keyboard input (up/down arrows)
if self.__combo.get_active() != -1:
self.__filter_changed()
return
if not config.getboolean('settings', 'eager_search'):
return
# remove the timeout
self.__remove_timeout()
# parse and new timeout
text = self.__entry.get_text().decode('utf-8')
if Query.is_parsable(text):
self.__refill_id = GLib.timeout_add(
self.timeout, self.__filter_changed)
class LimitSearchBarBox(SearchBarBox):
"""A version of `SearchBarBox` that allows specifying the limiting and
weighting of a search."""
class Limit(Gtk.HBox):
__gsignals__ = {
'changed': (GObject.SignalFlags.RUN_LAST, None, ()),
}
def __init__(self):
super(LimitSearchBarBox.Limit, self).__init__(spacing=3)
label = Gtk.Label(label=_("_Limit:"))
self.pack_start(label, True, True, 0)
self.__limit = limit = Gtk.SpinButton()
self.__limit.connect("value-changed", self.__changed)
limit.set_numeric(True)
limit.set_range(0, 9999)
limit.set_increments(5, 100)
label.set_mnemonic_widget(limit)
label.set_use_underline(True)
self.pack_start(limit, True, True, 0)
self.__weight = Gtk.CheckButton(_("_Weight"), use_underline=True)
self.__weight.connect("toggled", self.__changed)
self.pack_start(self.__weight, True, True, 0)
map(lambda w: w.show(), self.get_children())
def __changed(self, *args):
self.emit("changed")
@property
def value(self):
return self.__limit.get_value_as_int()
@property
def weighted(self):
return self.__weight.get_active()
def __init__(self, show_limit=False, *args, **kwargs):
super(LimitSearchBarBox, self).__init__(*args, **kwargs)
self.__limit = self.Limit()
self.pack_start(self.__limit, False, True, 0)
self.__limit.set_no_show_all(not show_limit)
self.__limit.connect("changed", self.__limit_changed)
def __limit_changed(self, *args):
self.changed()
def limit(self, songs):
if self.__limit.get_visible():
return limit_songs(songs, self.__limit.value,
self.__limit.weighted)
else:
return songs
def toggle_limit_widgets(self, button):
"""Toggles the visibility of the limit widget according to `button`"""
if button.get_active():
self.__limit.show()
else:
self.__limit.hide()
self.changed()
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