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wlw.pyc
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Python Compiled Bytecode
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2014-12-31
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198 lines
# Source Generated with Decompyle++
# File: in.pyc (Python 2.7)
import math
import time
from gi.repository import Gtk, Pango, Gdk
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:
self._cancel_button = Gtk.Button.new_from_stock(Gtk.STOCK_STOP)
self._pause_button = Gtk.ToggleButton(label = Gtk.STOCK_MEDIA_PAUSE)
self._pause_button.set_use_stock(True)
self._cancel_button.connect('clicked', self._WaitLoadBase__cancel_clicked)
self._pause_button.connect('clicked', self._WaitLoadBase__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)
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.
"""
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_display(remaining))
self._label.set_markup(self._text % values)
while not (self.quit):
if 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'''
Gtk.Window.__init__(self, type = Gtk.WindowType.POPUP)
WaitLoadBase.__init__(self)
self.setup(*args)
parent = get_top_parent(parent)
if parent:
sig = parent.connect('configure-event', self._WaitLoadWindow__recenter)
self.connect('destroy', self._WaitLoadWindow__reset_cursor, parent)
self.connect('destroy', self._WaitLoadWindow__disconnect, sig, parent)
sig_vis = parent.connect('visibility-notify-event', self._WaitLoadWindow__update_visible)
self.connect('destroy', self._WaitLoadWindow__disconnect, sig_vis, parent)
self.set_transient_for(parent)
window = parent.get_window()
if window:
window.set_cursor(Gdk.Cursor.new(Gdk.CursorType.WATCH))
self.set_modal(True)
self.add(Gtk.Frame())
self.get_child().set_shadow_type(Gtk.ShadowType.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.Justification.CENTER)
vbox.pack_start(self._label, True, True, 0)
vbox.pack_start(self._progress, True, True, 0)
if self._cancel_button and self._pause_button:
hbox = Gtk.HBox(spacing = 6, homogeneous = True)
hbox.pack_start(self._cancel_button, True, True, 0)
hbox.pack_start(self._pause_button, True, True, 0)
vbox.pack_start(hbox, True, True, 0)
self.get_child().add(vbox)
self.set_position(Gtk.WindowPosition.CENTER_ON_PARENT)
self.get_child().show_all()
while Gtk.events_pending():
Gtk.main_iteration()
def __update_visible(self, parent, event):
if event.state == Gdk.VisibilityState.FULLY_OBSCURED:
self.hide()
else:
self.show()
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, widget, sig, parent):
parent.disconnect(sig)
def __reset_cursor(self, widget, parent):
if parent.get_window():
parent.get_window().set_cursor(None)
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, 0.5)
self._label.set_ellipsize(Pango.EllipsizeMode.END)
self._cancel_button.remove(self._cancel_button.get_child())
self._cancel_button.add(Gtk.Image.new_from_stock(Gtk.STOCK_STOP, Gtk.IconSize.MENU))
self._pause_button.remove(self._pause_button.get_child())
self._pause_button.add(Gtk.Image.new_from_stock(Gtk.STOCK_MEDIA_PAUSE, Gtk.IconSize.MENU))
self.pack_start(self._label, True, True, 0)
self.pack_start(self._progress, False, True, 6)
self.pack_start(self._pause_button, False, True, 0)
self.pack_start(self._cancel_button, False, True, 0)
for child in self.get_children():
child.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