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425 lines
19 KiB
Python
425 lines
19 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# ***********************IMPORTANT NMAP LICENSE TERMS************************
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# * *
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# * The Nmap Security Scanner is (C) 1996-2012 Insecure.Com LLC. Nmap is *
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# * also a registered trademark of Insecure.Com LLC. This program is free *
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# * software; you may redistribute and/or modify it under the terms of the *
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# * GNU General Public License as published by the Free Software *
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# * Foundation; Version 2 with the clarifications and exceptions described *
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# * below. This guarantees your right to use, modify, and redistribute *
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# * this software under certain conditions. If you wish to embed Nmap *
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# * technology into proprietary software, we sell alternative licenses *
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# * (contact sales@insecure.com). Dozens of software vendors already *
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# * license Nmap technology such as host discovery, port scanning, OS *
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# * detection, version detection, and the Nmap Scripting Engine. *
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# * *
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# * Note that the GPL places important restrictions on "derived works", yet *
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# * it does not provide a detailed definition of that term. To avoid *
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# * misunderstandings, we interpret that term as broadly as copyright law *
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# * allows. For example, we consider an application to constitute a *
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# * "derivative work" for the purpose of this license if it does any of the *
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# * following: *
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# * o Integrates source code from Nmap *
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# * o Reads or includes Nmap copyrighted data files, such as *
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# * nmap-os-db or nmap-service-probes. *
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# * o Executes Nmap and parses the results (as opposed to typical shell or *
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# * execution-menu apps, which simply display raw Nmap output and so are *
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# * not derivative works.) *
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# * o Integrates/includes/aggregates Nmap into a proprietary executable *
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# * installer, such as those produced by InstallShield. *
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# * o Links to a library or executes a program that does any of the above *
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# * *
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# * The term "Nmap" should be taken to also include any portions or derived *
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# * works of Nmap, as well as other software we distribute under this *
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# * license such as Zenmap, Ncat, and Nping. This list is not exclusive, *
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# * but is meant to clarify our interpretation of derived works with some *
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# * common examples. Our interpretation applies only to Nmap--we don't *
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# * speak for other people's GPL works. *
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# * *
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# * If you have any questions about the GPL licensing restrictions on using *
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# * Nmap in non-GPL works, we would be happy to help. As mentioned above, *
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# * we also offer alternative license to integrate Nmap into proprietary *
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# * applications and appliances. These contracts have been sold to dozens *
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# * of software vendors, and generally include a perpetual license as well *
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# * as providing for priority support and updates. They also fund the *
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# * continued development of Nmap. Please email sales@insecure.com for *
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# * further information. *
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# * *
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# * As a special exception to the GPL terms, Insecure.Com LLC grants *
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# * permission to link the code of this program with any version of the *
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# * OpenSSL library which is distributed under a license identical to that *
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# * listed in the included docs/licenses/OpenSSL.txt file, and distribute *
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# * linked combinations including the two. You must obey the GNU GPL in all *
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# * respects for all of the code used other than OpenSSL. If you modify *
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# * this file, you may extend this exception to your version of the file, *
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# * but you are not obligated to do so. *
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# * *
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# * If you received these files with a written license agreement or *
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# * contract stating terms other than the terms above, then that *
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# * alternative license agreement takes precedence over these comments. *
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# * *
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# * Source is provided to this software because we believe users have a *
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# * right to know exactly what a program is going to do before they run it. *
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# * This also allows you to audit the software for security holes (none *
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# * have been found so far). *
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# * *
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# * Source code also allows you to port Nmap to new platforms, fix bugs, *
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# * and add new features. You are highly encouraged to send your changes *
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# * to nmap-dev@insecure.org for possible incorporation into the main *
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# * distribution. By sending these changes to Fyodor or one of the *
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# * Insecure.Org development mailing lists, or checking them into the Nmap *
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# * source code repository, it is understood (unless you specify otherwise) *
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# * that you are offering the Nmap Project (Insecure.Com LLC) the *
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# * unlimited, non-exclusive right to reuse, modify, and relicense the *
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# * code. Nmap will always be available Open Source, but this is important *
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# * because the inability to relicense code has caused devastating problems *
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# * for other Free Software projects (such as KDE and NASM). We also *
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# * occasionally relicense the code to third parties as discussed above. *
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# * If you wish to specify special license conditions of your *
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# * contributions, just say so when you send them. *
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# * *
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# * This program is distributed in the hope that it will be useful, but *
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# * WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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# * General Public License v2.0 for more details at *
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# * http://www.gnu.org/licenses/gpl-2.0.html , or in the COPYING file *
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# * included with Nmap. *
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# * *
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# ***************************************************************************/
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"""
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higwidgets/higspinner.py
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a pygtk spinner, based on the epiphany/nautilus implementation
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"""
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__all__ = ['HIGSpinner']
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import os
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import gtk
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import gobject
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from gtkutils import gobject_register
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class HIGSpinnerImages:
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def __init__(self):
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"""This class holds list of GDK Pixbuffers.
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- static_pixbufs is used for multiple static pixbuffers
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- self.animated_pixbufs is used for the pixbuffers that make up the animation
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"""
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dprint('HIGSpinnerImages::__init__')
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# The Nautilus/Epiphany implementation uses a single "rest/quiescent"
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# static pixbuffer. We'd rather allow the developer to choose from
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# multiple static states, such as "done" or "failed".
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# Index it by a name like that.
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self.static_pixbufs = {}
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# We should have a default rest pixbuf, set it with set_rest_pixbuf()
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self.rest_pixbuf = None
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# This is a list of pixbufs to be used on the animation
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# For now, we're only implementing a single animation. Inconsistent!
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self.animated_pixbufs = []
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def add_static_pixbuf(self, name, pixbuf, default_on_rest=False):
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"""Add a static pixbuf.
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If this is the first one, make it the default pixbuffer on rest.
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The user can make some other pixbuf the new default on rest, by setting
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default_on_rest to True.
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"""
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dprint('HIGSpinnerImages::add_static_pixbuf')
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self.static_pixbufs[name] = pixbuf
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if (len(self.static_pixbufs) == 1) or default_on_rest:
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self.set_rest_pixbuf(name)
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def add_animated_pixbuf(self, pixbuf):
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dprint('HIGSpinnerImages::add_animated_pixbuf')
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self.animated_pixbufs.append(pixbuf)
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def set_rest_pixbuf(self, name):
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"""Sets the pixbuf that will be used on the default, 'rest' state. """
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dprint('HIGSpinnerImages::set_rest_pixbuf')
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if not self.static_pixbufs.has_key(name):
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raise StaticPixbufNotFound
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# self.rest_pixbuf holds the *real* pixbuf, not it's name
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self.rest_pixbuf = self.static_pixbufs[name]
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def set_size(self, width, height):
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"""Sets the size of eache pixbuf (static and animated)"""
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new_animated = []
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for p in self.animated_pixbufs:
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new_animated.append(p.scale_simple(width, height,
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gtk.gdk.INTERP_BILINEAR))
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self.animated_pixbufs = new_animated
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for k in self.static_pixbufs:
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self.static_pixbufs[k] = self.static_pixbufs[k].\
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scale_simple(width,
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height,
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gtk.gdk.INTERP_BILINEAR)
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self.rest_pixbuf = self.rest_pixbuf.\
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scale_simple(width,
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height,
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gtk.gdk.INTERP_BILINEAR)
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self.images_width = width
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self.images_height = height
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class HIGSpinnerCache:
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"""This hols a copy of the images used on the HIGSpinners instances."""
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def __init__(self):
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dprint('HIGSpinnerCache::__init__')
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# Our own instance of a HIGSpinnerImages
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self.spinner_images = HIGSpinnerImages()
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# These are on Private member in the C implementation
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self.icon_theme = gtk.IconTheme()
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self.originals = None
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self.images = None
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# We might have access to a "default" animated icon.
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# For example, if we're on a GNOME desktop, and have the (default)
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# "gnome-icon-theme" package installed, we might have access
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# to "gnome-spinner". Check it before using, though
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if (self.icon_theme.lookup_icon("gnome-spinner", -1, 0)):
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self.default_animated_icon_name = "gnome-spinner"
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else:
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self.default_animated_icon_name = None
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def load_animated_from_lookup(self, icon_name=None):
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"""Loads an animated icon by doing a lookup on the icon theme."""
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# If user do not choose a icon_name, use the default one
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if icon_name == None:
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icon_name = self.default_animated_icon_name
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# Even the default one (now on icon_name) might not be available
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if icon_name == None:
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raise AnimatedIconNotFound
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# Try to lookup the icon
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icon_info = self.icon_theme.lookup_icon(icon_name, -1, 0)
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# Even if icon_name exists, it might not be found by lookup
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if icon_info == None:
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raise AnimatedIconNotFound
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# Base size is, according to PyGTK docs:
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# "a size for the icon that was specified by the icon theme creator,
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# This may be different than the actual size of image."
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# Ouch! We are acting on blind faith here...
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size = icon_info.get_base_size()
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# NOTE: If the icon is a builtin, it will not have a filename, see:
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# http://www.pygtk.org/pygtk2reference/class-gtkicontheme.html
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# But, we are not using the gtk.ICON_LOOKUP_USE_BUILTIN flag, nor does
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# GTK+ has a builtin animation, so we are safe ;-)
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filename = icon_info.get_filename()
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# Now that we have a filename, call load_animated_from_filename()
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self.load_animated_from_filename(filename, size)
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def load_animated_from_filename(self, filename, size):
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# grid_pixbuf is a pixbuf that holds the entire
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grid_pixbuf = gtk.gdk.pixbuf_new_from_file(filename)
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grid_width = grid_pixbuf.get_width()
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grid_height = grid_pixbuf.get_height()
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for x in range(0, grid_width, size):
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for y in range(0, grid_height, size):
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self.spinner_images.add_animated_pixbuf(\
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self.__extract_frame(grid_pixbuf, x, y, size, size))
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def load_static_from_lookup(self, icon_name="gnome-spinner-rest",
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key_name=None):
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icon_info = self.icon_theme.lookup_icon(icon_name, -1, 0)
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size = icon_info.get_base_size()
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filename = icon_info.get_filename()
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# Now that we have a filename, call load_static_from_filename()
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self.load_static_from_filename(filename)
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def load_static_from_filename(self, filename, key_name=None):
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icon_pixbuf = gtk.gdk.pixbuf_new_from_file(filename)
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if key_name == None:
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key_name = filename.split(".")[0]
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self.spinner_images.add_static_pixbuf(key_name, icon_pixbuf)
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def __extract_frame(self, pixbuf, x, y, w, h):
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"""Cuts a sub pixbuffer, usually a frame of an animation.
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- pixbuf is the complete pixbuf, from which a frame will be cut off
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- x/y are the position
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- w (width) is the is the number of pixels to move right
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- h (height) is the is the number of pixels to move down
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"""
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if (x + w > pixbuf.get_width()) or (y + h > pixbuf.get_height()):
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raise PixbufSmallerThanRequiredError
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return pixbuf.subpixbuf(x, y, w, h)
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def _write_animated_pixbuf_to_files(self, path_format, image_format):
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"""Writes image files from self.spinner_images.animated_pixbufs
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- path_format should be a format string with one occurrence of a
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string substitution, such as '/tmp/animation_%s.png'
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- image_format can be either 'png' or 'jpeg'
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"""
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counter = 0
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for i in self.spinner_images.animated_pixbufs:
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i.save(path_format % counter, "png")
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counter += 1
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def _write_static_pixbuf_to_file(self, key_name, path_name, image_format):
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self.spinner_images.static_pixbufs[key_name].save(path_name,
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image_format)
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class HIGSpinner(gtk.EventBox):
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"""Simple spinner, such as the one found in webbrowsers and file managers.
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You can construct it with the optional parameters:
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* images, a list of images that will make up the animation
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* width, the width that will be set for the images
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* height, the height that will be set for the images
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"""
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__gsignals__ = { 'expose-event' : 'override',
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'size-request' : 'override' }
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def __init__(self):
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gtk.EventBox.__init__(self)
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#self.set_events(self.get_events())
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# This holds a GDK Graphic Context
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self.gc = None
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# These are sane defaults, but should really come from the images
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self.images_width = 32
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self.images_height = 32
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# Timeout set to 100 miliseconds per frame, just as the
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# Nautilus/Epiphany implementation
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self.timeout = 120
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# Initialize a cache for ouselves
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self.cache = HIGSpinnerCache()
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self.cache.load_static_from_lookup()
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self.cache.load_animated_from_lookup()
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# timer_task it the gobject.timeout_add identifier (when the animation
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# is in progress, and __bump_frame is being continually called). If the
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# spinner is static, timer_task is 0
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self.timer_task = 0
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# animated_pixbuf_index is a index on
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self.animated_pixbuf_index = 0
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# current_pixbuf is initially the default rest_pixbuf
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self.current_pixbuf = self.cache.spinner_images.rest_pixbuf
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def __bump_frame(self):
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"""This function moves the animated frame to the next one, or, if it's
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currently the last one, back to the first one"""
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animated_list = self.cache.spinner_images.animated_pixbufs
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if self.animated_pixbuf_index == (len(animated_list) - 1):
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# back to the first one
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self.animated_pixbuf_index = 0
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else:
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# go the next one
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self.animated_pixbuf_index += 1
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self.queue_draw()
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return True
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def __select_pixbuf(self):
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"""This selects either a rest pixbuf or a animation frame based on the
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status of timer_task."""
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if self.timer_task == 0:
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self.current_pixbuf = self.cache.spinner_images.rest_pixbuf
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else:
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self.current_pixbuf = self.cache.spinner_images.animated_pixbufs\
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[self.animated_pixbuf_index]
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def start(self):
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"""Starts the animation"""
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if self.timer_task == 0:
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self.timer_task = gobject.timeout_add(self.timeout,
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self.__bump_frame)
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def pause(self):
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"""Pauses the animation"""
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if self.timer_task != 0:
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gobject.source_remove(self.timer_task)
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self.timer_task = 0
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self.queue_draw()
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def stop(self):
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"""Stops the animation
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Do the same stuff as pause, but returns the animation to the beggining."""
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self.pause()
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self.animated_pixbuf_index = 0
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def set_speed(speed_in_milliseconds):
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self.timeout = speed_in_milliseconds
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self.pause()
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self.start()
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def do_expose_event(self, event):
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#self.chain(event)
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if self.cache.spinner_images.rest_pixbuf == None:
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raise RestPixbufNotFound
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self.__select_pixbuf()
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width = self.current_pixbuf.get_width()
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height = self.current_pixbuf.get_height()
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x_offset = (self.allocation.width - width) / 2
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y_offset = (self.allocation.height - height) / 2
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pix_area = gtk.gdk.Rectangle(x_offset + self.allocation.x,
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y_offset + self.allocation.y,
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width, height)
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dest = event.area.intersect(pix_area)
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# If a graphic context doesn't not exist yet, create one
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if self.gc == None:
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self.gc = gtk.gdk.GC(self.window)
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#gc = self.gc
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self.window.draw_pixbuf(self.gc,
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self.current_pixbuf,
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dest.x - x_offset - self.allocation.x,
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dest.y - y_offset - self.allocation.y,
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dest.x, dest.y,
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dest.width, dest.height)
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def do_size_request(self, requisition):
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# http://www.pygtk.org/pygtk2reference/class-gtkrequisition.html
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# FIXME, this should really come from the pixbuf size + margins
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requisition.width = self.cache.spinner_images.images_width
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requisition.height = self.cache.spinner_images.images_height
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gobject_register(HIGSpinner)
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