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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# QBzr - Qt frontend to Bazaar commands
# Copyright (C) 2008 Gary van der Merwe <garyvdm@gmail.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
from PyQt4 import QtCore, QtGui
import time
from bzrlib import ui
from bzrlib.plugins.qbzr.lib.i18n import gettext
def ui_current_widget(f):
def decorate(*args, **kargs):
if isinstance(ui.ui_factory, QUIFactory):
ui.ui_factory.current_widget_stack.append(args[0])
try:
r = f(*args, **kargs)
finally:
del ui.ui_factory.current_widget_stack[-1]
return r
else:
return f(*args, **kargs)
return decorate
def quifactory():
if isinstance(ui.ui_factory, QUIFactory):
return ui.ui_factory
return None
def current_throbber():
ui = quifactory()
if ui:
return ui.throbber()
return None
class QUIFactory(ui.UIFactory):
def __init__(self):
super(QUIFactory, self).__init__()
self.current_widget_stack = []
self._transport_update_time = 0
self._total_byte_count = 0
self._bytes_since_update = 0
self._transport_rate = None
def current_widget(self):
if self.current_widget_stack:
return self.current_widget_stack[-1]
return None
def throbber(self):
current_widget = self.current_widget()
if current_widget and getattr(current_widget, 'throbber', None) is not None:
return current_widget.throbber
return None
def report_transport_activity(self, transport, byte_count, direction):
"""Called by transports as they do IO.
This may update a progress bar, spinner, or similar display.
By default it does nothing.
"""
self._total_byte_count += byte_count
self._bytes_since_update += byte_count
throbber = self.throbber()
if throbber:
now = time.time()
if self._transport_update_time is None:
self._transport_update_time = now
elif now >= (self._transport_update_time + 0.2):
# guard against clock stepping backwards, and don't update too
# often
self._transport_rate = self._bytes_since_update / (now - self._transport_update_time)
self._transport_update_time = now
self._bytes_since_update = 0
if self._transport_rate:
msg = ("%6dkB @ %4dkB/s" %
(self._total_byte_count>>10, int(self._transport_rate)>>10,))
else:
msg = ("%6dkB @ " %
(self._total_byte_count>>10,))
throbber.transport.setText(msg)
QtCore.QCoreApplication.processEvents()
def get_password(self, prompt='', **kwargs):
password, ok = QtGui.QInputDialog.getText(self.current_widget(),
gettext("Enter Password"),
(prompt % kwargs),
QtGui.QLineEdit.Password)
if ok:
return str(password)
else:
raise KeyboardInterrupt()
def get_username(self, prompt='', **kwargs):
username, ok = QtGui.QInputDialog.getText(self.current_widget(),
gettext("Enter Username"),
(prompt % kwargs))
if ok:
return str(username)
else:
raise KeyboardInterrupt()
def get_boolean(self, prompt):
button = QtGui.QMessageBox.question(
self.current_widget(), "Bazaar", prompt,
QtGui.QMessageBox.Yes, QtGui.QMessageBox.No)
return button == QtGui.QMessageBox.Yes
def clear_term(self):
"""Prepare the terminal for output.
This will, for example, clear text progress bars, and leave the
cursor at the leftmost position."""
pass
# You can run this file to test the ui factory. This is not in the test suit
# because it actualy open the ui, and so user interaction is required to run
# the test.
if __name__ == "__main__":
application = QtGui.QApplication([])
ui_factory = QUIFactory()
print ui_factory.get_username("Enter password 123")
#print ui_factory.get_boolean("Question?")
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