/usr/share/pyshared/quodlibet/qltk/wlw.py is in exfalso 2.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 | # Copyright 2005 Joe Wreschnig, Michael Urman
#
# 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 math
import time
import gtk
import pango
from quodlibet.qltk import get_top_parent
from quodlibet import util
class WaitLoadBase(object):
"""Abstract class providing a label, a progressbar, pause/stop buttons,
and the stepping logic."""
def __init__(self, count=0, text="", initial={}, limit=3):
"""count: the total amount of items expected, 0 for unknown/indefinite
text: text to display in the label; may contain % formats
initial: initial values for % formats (text % initial)
limit: count must be greater than limit (or 0) for pause/stop to appear
The current iteration of the counter can be gotten as
self.current. count can be gotten as self.count.
"""
super(WaitLoadBase, self).__init__()
self._label = gtk.Label()
self._label.set_use_markup(True)
self._progress = gtk.ProgressBar()
self._progress.set_pulse_step(0.08)
self.pulse = self._progress.pulse
self.set_fraction = self._progress.set_fraction
self.set_text = self._label.set_markup
self.setup(count, text, initial)
if self.count > limit or self.count == 0:
# Add stop/pause buttons. count = 0 means an indefinite
# number of steps.
self._cancel_button = gtk.Button(stock=gtk.STOCK_STOP)
self._pause_button = gtk.ToggleButton(gtk.STOCK_MEDIA_PAUSE)
self._pause_button.set_use_stock(True)
self._cancel_button.connect('clicked', self.__cancel_clicked)
self._pause_button.connect('clicked', self.__pause_clicked)
else:
self._cancel_button = None
self._pause_button = None
def setup(self, count=0, text="", initial={}):
self.current = 0
self.count = count
self._text = text
self.paused = False
self.quit = False
self._start_time = time.time()
initial.setdefault("total", self.count)
initial.setdefault("current", self.current)
initial.setdefault("remaining", _("Unknown"))
self._label.set_markup(self._text % initial)
self._progress.set_fraction(0.0)
def __pause_clicked(self, button):
self.paused = button.get_active()
def __cancel_clicked(self, button):
self.quit = True
def step(self, **values):
"""Advance the counter by one. Arguments are applied to the
originally-supplied text as a format string.
This function doesn't return if the dialog is paused (though
the GTK main loop will still run), and returns True if stop
was pressed.
"""
if self.count:
self.current += 1
self._progress.set_fraction(
max(0, min(1, self.current / float(self.count))))
else:
self._progress.pulse()
values.setdefault("total", self.count)
values.setdefault("current", self.current)
if self.count:
t = (time.time() - self._start_time) / self.current
remaining = math.ceil((self.count - self.current) * t)
values.setdefault("remaining", util.format_time(remaining))
self._label.set_markup(self._text % values)
while not self.quit and (self.paused or gtk.events_pending()):
gtk.main_iteration()
return self.quit
class WaitLoadWindow(WaitLoadBase, gtk.Window):
"""A window with a progress bar and some nice updating text,
as well as pause/stop buttons.
Example:
w = WaitLoadWindow(None, 5, "%(current)d/%(total)d")
for i in range(1, 6): w.step()
w.destroy()
"""
def __init__(self, parent, *args):
"""parent: the parent window, or None"""
super(WaitLoadWindow, self).__init__()
self.setup(*args)
parent = get_top_parent(parent)
if parent:
sig = parent.connect('configure-event', self.__recenter)
self.connect_object(
'destroy', WaitLoadWindow.__disconnect, self, sig, parent)
self.set_transient_for(parent)
parent.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.WATCH))
self.set_modal(True)
self.set_decorated(False)
self.set_resizable(False)
self.set_focus_on_map(False)
self.add(gtk.Frame())
self.child.set_shadow_type(gtk.SHADOW_OUT)
vbox = gtk.VBox(spacing=12)
vbox.set_border_width(12)
self._label.set_size_request(170, -1)
self._label.set_line_wrap(True)
self._label.set_justify(gtk.JUSTIFY_CENTER)
vbox.pack_start(self._label)
vbox.pack_start(self._progress)
if self._cancel_button and self._pause_button:
# Display a stop/pause box. count = 0 means an indefinite
# number of steps.
hbox = gtk.HBox(spacing=6, homogeneous=True)
hbox.pack_start(self._cancel_button)
hbox.pack_start(self._pause_button)
vbox.pack_start(hbox)
self.child.add(vbox)
self.set_position(gtk.WIN_POS_CENTER_ON_PARENT)
while gtk.events_pending(): gtk.main_iteration()
self.show_all()
def __recenter(self, parent, event):
x, y = parent.get_position()
dx, dy = parent.get_size()
dx2, dy2 = self.get_size()
self.move(x + dx // 2 - dx2 // 2, y + dy // 2 - dy2 // 2)
def __disconnect(self, sig, parent):
if parent.window:
parent.window.set_cursor(None)
parent.disconnect(sig)
class WritingWindow(WaitLoadWindow):
"""A WaitLoadWindow that defaults to text suitable for saving files."""
def __init__(self, parent, count):
super(WritingWindow, self).__init__(
parent, count,
(_("Saving the songs you changed.") + "\n\n" +
_("%(current)d/%(total)d songs saved\n(%(remaining)s remaining)")))
def step(self):
return super(WritingWindow, self).step()
class WaitLoadBar(WaitLoadBase, gtk.HBox):
def __init__(self):
super(WaitLoadBar, self).__init__()
self._label.set_alignment(0.0, 0.5)
self._label.set_ellipsize(pango.ELLIPSIZE_END)
self._cancel_button.remove(self._cancel_button.child)
self._cancel_button.add(gtk.image_new_from_stock(
gtk.STOCK_STOP, gtk.ICON_SIZE_MENU))
self._pause_button.remove(self._pause_button.child)
self._pause_button.add(gtk.image_new_from_stock(
gtk.STOCK_MEDIA_PAUSE, gtk.ICON_SIZE_MENU))
self.pack_start(self._label)
self.pack_start(self._progress, expand=False, padding=6)
self.pack_start(self._pause_button, expand=False)
self.pack_start(self._cancel_button, expand=False)
self.show_all()
def step(self, **values):
ret = super(WaitLoadBar, self).step(**values)
self._progress.set_text(_("%d of %d") % (self.current, self.count))
return ret
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