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# Copyright (C) 2006 Szilveszter Farkas <szilveszter.farkas@gmail.com>
# Copyright (C) 2007 Jelmer Vernooij <jelmer@samba.org>
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""GTK UI
"""
import gtk
import sys
import bzrlib.progress
from bzrlib.ui import UIFactory
class PromptDialog(gtk.Dialog):
""" Prompt the user for a yes/no answer. """
def __init__(self, prompt):
gtk.Dialog.__init__(self)
label = gtk.Label(prompt)
self.vbox.pack_start(label, padding=10)
self.vbox.show_all()
self.add_buttons(gtk.STOCK_YES, gtk.RESPONSE_YES, gtk.STOCK_NO,
gtk.RESPONSE_NO)
class GtkProgressBar(gtk.ProgressBar):
def __init__(self, stack):
super(GtkProgressBar, self).__init__()
self.set_fraction(0.0)
self._stack = stack
def finished(self):
self._stack.remove(self)
def clear(self):
pass
def tick(self):
self.pulse()
def update(self, msg=None, current=None, total=None):
if msg is not None:
self.set_text(msg)
self.set_fraction(1.0 * current / total)
while gtk.events_pending():
gtk.main_iteration()
class GtkProgressBarStack(gtk.Window):
def __init__(self):
super(GtkProgressBarStack, self).__init__(type=gtk.WINDOW_TOPLEVEL)
self.set_border_width(0)
self.set_title("Progress")
self.set_position(gtk.WIN_POS_CENTER_ALWAYS)
self.vbox = gtk.VBox()
self.add(self.vbox)
self.set_resizable(False)
def _adapt_size(self):
self.resize(250, 15 * len(self.vbox.get_children()))
def get_nested(self):
nested = GtkProgressBar(self)
self.vbox.pack_start(nested)
self._adapt_size()
self.show_all()
return nested
def remove(self, pb):
self.vbox.remove(pb)
class PasswordDialog(gtk.Dialog):
""" Prompt the user for a password. """
def __init__(self, prompt):
gtk.Dialog.__init__(self)
label = gtk.Label(prompt)
self.vbox.pack_start(label, padding=10)
self.entry = gtk.Entry()
self.entry.set_visibility(False)
self.vbox.pack_end(self.entry, padding=10)
self.vbox.show_all()
self.add_buttons(gtk.STOCK_OK, gtk.RESPONSE_OK, gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL)
def _get_passwd(self):
return self.entry.get_text()
passwd = property(_get_passwd)
class GtkUIFactory(UIFactory):
"""A UI factory for GTK user interfaces."""
def __init__(self,
stdout=None,
stderr=None):
"""Create a GtkUIFactory.
"""
super(GtkUIFactory, self).__init__()
self._progress_bar_stack = None
def get_boolean(self, prompt):
"""GtkDialog with yes/no answers"""
dialog = PromptDialog(prompt)
response = dialog.run()
dialog.destroy()
return (response == gtk.RESPONSE_YES)
def get_password(self, prompt='', **kwargs):
"""Prompt the user for a password.
:param prompt: The prompt to present the user
:param kwargs: Arguments which will be expanded into the prompt.
This lets front ends display different things if
they so choose.
:return: The password string, return None if the user
canceled the request.
"""
dialog = PasswordDialog(prompt % kwargs)
response = dialog.run()
passwd = dialog.passwd
dialog.destroy()
if response == gtk.RESPONSE_OK:
return passwd
else:
return None
def nested_progress_bar(self):
"""Return a nested progress bar.
"""
if self._progress_bar_stack is None:
self._progress_bar_stack = GtkProgressBarStack()
return self._progress_bar_stack.get_nested()
def set_progress_bar_vbox(self, vbox):
"""Change the vbox to put progress bars in.
"""
self._progress_bar_stack = vbox
def clear_term(self):
"""Prepare the terminal for output.
It has no sense when talking about GTK."""
pass
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