Splitted windows.py

1 files changed, 1660 insertions, 0 deletions

diff --git a/portato/gui/gtk/windows/main.py b/portato/gui/gtk/windows/main.py
new file mode 100644
index 0000000..d468906
--- /dev/null
+++ b/portato/gui/gtk/windows/main.py
@@ -0,0 +1,1660 @@
+# -*- coding: utf-8 -*-
+#
+# File: portato/gui/gtk/windows/main.py
+# This file is part of the Portato-Project, a graphical portage-frontend.
+#
+# Copyright (C) 2006-2008 René 'Necoro' Neumann
+# This is free software.  You may redistribute copies of it under the terms of
+# the GNU General Public License version 2.
+# There is NO WARRANTY, to the extent permitted by law.
+#
+# Written by René 'Necoro' Neumann <necoro@necoro.net>
+
+from __future__ import absolute_import, with_statement
+
+# gtk stuff
+import gtk
+import gobject
+
+# other
+import os.path
+import itertools as itt
+
+# our backend stuff
+from ....backend import flags, system # must be the first to avoid circular deps
+from .... import get_listener, plugin, dependency
+from ....helper import debug, warning, error, info, unique_array, N_, _
+from ....session import Session
+from ....constants import CONFIG_LOCATION, VERSION, APP_ICON
+from ....backend.exceptions import PackageNotFoundException, BlockedException
+
+# more GUI stuff
+from ...gui_helper import Database, Config, EmergeQueue
+from ..session import SESSION_VERSION, SessionException, OldSessionException, NewSessionException
+from ..wrapper import GtkTree, GtkConsole
+from ..exception_handling import GtkThread
+from ..views import LogView, HighlightView, InstalledOnlyView
+from ..dialogs import (blocked_dialog, changed_flags_dialog, io_ex_dialog,
+		nothing_found_dialog, queue_not_empty_dialog, remove_deps_dialog,
+		remove_queue_dialog, remove_updates_dialog, unmask_dialog)
+
+# even more GUI stuff
+from .basic import Window, Popup
+from .about import AboutWindow
+from .plugin import PluginWindow
+from .preference import PreferenceWindow
+from .search import SearchWindow
+from .update import UpdateWindow
+
+class PackageTable:
+	"""A window with data about a specfic package."""
+
+	def __init__ (self, main):
+		"""Build up window contents.
+		
+		@param main: the main window
+		@type main: MainWindow"""
+
+		self.main = main
+		self.tree = main.tree
+		self.window = main.window
+		self.tree.signal_autoconnect(self)
+		
+		# all the package data is in this one VB
+		self.vb = self.tree.get_widget("packageVB")
+
+		# the notebook
+		self.notebook = self.tree.get_widget("packageNotebook")
+		
+		# the version combo
+		self.versionCombo = self.tree.get_widget("versionCombo")
+		self.build_version_combo()
+
+		# chechboxes
+		self.installedCheck = self.tree.get_widget("installedCheck")
+		self.maskedCheck = self.tree.get_widget("maskedCheck")
+		self.testingCheck = self.tree.get_widget("testingCheck")
+		self.maskedLabel = self.tree.get_widget("maskedLabel")
+
+		# labels
+		generalVB = self.tree.get_widget("generalVB")
+		generalVB.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse("#FFFFFF"))
+		
+		self.nameLabel = self.tree.get_widget("nameLabel")
+		self.descLabel = self.tree.get_widget("descLabel")
+		self.overlayLabel = self.tree.get_widget("overlayLabel")
+		self.overlayLL = self.tree.get_widget("overlayLabelLabel")
+		self.licenseLabel = self.tree.get_widget("licenseLabel")
+		self.linkBox = self.tree.get_widget("linkBox")
+		self.notInSysLabel = self.tree.get_widget("notInSysLabel")
+		self.missingLabel = self.tree.get_widget("missingLabel")
+		self.useFlagsLabel = self.tree.get_widget("useFlagsLabel")
+		self.useFlagsLL = self.tree.get_widget("useFlagsLabelLabel")
+		
+		# buttons
+		self.emergeBtn = self.tree.get_widget("pkgEmergeBtn")
+		self.unmergeBtn = self.tree.get_widget("pkgUnmergeBtn")
+		self.revertBtn = self.tree.get_widget("pkgRevertBtn")
+		
+		# useList
+		self.useList = self.tree.get_widget("useList")
+		self.build_use_list()
+
+		# depList
+		self.depList = self.tree.get_widget("dependencyList")
+		self.build_dep_list()
+
+		# views
+		self.ebuildView = self.tree.get_widget("ebuildScroll").get_child()
+		self.changelogView = self.tree.get_widget("changelogScroll").get_child()
+		self.filesView = self.tree.get_widget("filesScroll").get_child()
+
+		# icons
+		self.icons = {}
+		self.icons["use"] = self.window.render_icon(gtk.STOCK_REMOVE, gtk.ICON_SIZE_MENU)
+		self.icons["installed"] = self.window.render_icon(gtk.STOCK_YES, gtk.ICON_SIZE_MENU)
+		self.icons["or"] = self.window.render_icon(gtk.STOCK_MEDIA_PAUSE, gtk.ICON_SIZE_MENU)
+		self.icons["block"] = self.window.render_icon(gtk.STOCK_NO, gtk.ICON_SIZE_MENU)
+
+	def update (self, cp, queue = None, version = None, doEmerge = True, instantChange = False, type = None):
+		"""Updates the table to show the contents for the package.
+		
+		@param cp: the selected package
+		@type cp: string (cp)
+		@param queue: emerge-queue (if None the emerge-buttons are disabled)
+		@type queue: EmergeQueue
+		@param version: if not None, specifies the version to select
+		@type version: string
+		@param doEmerge: if False, the emerge buttons are disabled
+		@type doEmerge: boolean
+		@param instantChange: if True the changed keywords are updated instantly
+		@type instantChange: boolean
+		@param type: the type of the queue this package is in; if None there is no queue :)
+		@type type: string"""
+		
+		self.cp = cp # category/package
+		self.version = version # version - if not None this is used
+		self.queue = queue
+		self.doEmerge = doEmerge
+		self.instantChange = instantChange
+		self.type = type
+
+		# packages and installed packages
+		if not self.doEmerge:
+			self.instPackages = self.packages = system.find_packages("=%s-%s" % (cp, version), masked = True)
+		else:
+			self.packages = system.sort_package_list(system.find_packages(cp, masked = True))
+			self.instPackages = system.sort_package_list(system.find_installed_packages(cp, masked = True))
+
+		# version-combo-box
+		self.versionCombo.handler_block(self.versionCombo.changeHandler) # block change handler, because it would be called several times
+		self.versionCombo.get_model().clear()
+		self.fill_version_combo()
+		self.versionCombo.handler_unblock(self.versionCombo.changeHandler) # unblock handler again
+
+		if not self.queue or not self.doEmerge: 
+			self.emergeBtn.set_sensitive(False)
+			self.unmergeBtn.set_sensitive(False)
+		
+		# current status
+		self.cb_version_combo_changed()
+		self.vb.show_all()
+
+	def hide (self):
+		self.vb.hide_all()
+
+	def set_labels (self):
+		pkg = self.actual_package()
+		
+		# name
+		self.nameLabel.set_markup("<b>%s</b>" % pkg.get_cp())
+		
+		# description
+		desc = pkg.get_package_settings("DESCRIPTION") or _("<no description>")
+		self.descLabel.set_label(desc)
+
+		# overlay
+		if pkg.is_overlay():
+			self.overlayLabel.set_label(pkg.get_overlay_path())
+			self.overlayLabel.show()
+			self.overlayLL.show()
+		else:
+			self.overlayLabel.hide()
+			self.overlayLL.hide()
+
+		# license
+		self.licenseLabel.set_label(pkg.get_package_settings("LICENSE"))
+
+		# link
+		for c in self.linkBox.get_children():
+			self.linkBox.remove(c)
+		
+		text = pkg.get_package_settings("HOMEPAGE")
+		texts = text.split(" ")
+		ftexts = []
+
+		for count, t in enumerate(texts):
+			if not t.startswith(("http:", "ftp:")):
+				if count == 0:
+					error(_("The first homepage part does not start with 'http' or 'ftp'."))
+					ftexts.append(t)
+					continue
+				else:
+					info(_("Blank inside homepage."))
+					ftexts[-1] += " %s" % t
+			else:
+				ftexts.append(t)
+
+		for t in ftexts:
+			link = gtk.LinkButton(t)
+			link.set_alignment(0.0, 0.5)
+			link.set_border_width(0)
+			self.linkBox.add(link)
+
+		# useflags
+		flaglist = list(itt.ifilterfalse(pkg.use_expanded, pkg.get_iuse_flags()))
+		flaglist.sort()
+		flags = ", ".join(flaglist)
+
+		if flags:
+			self.useFlagsLL.show()
+			self.useFlagsLabel.show()
+			self.useFlagsLabel.set_label(flags)
+		else:
+			self.useFlagsLL.hide()
+			self.useFlagsLabel.hide()
+
+	def fill_dep_list(self):
+
+		deptree = self.actual_package().get_dependencies()
+		store = self.depList.get_model()
+
+		def add (tree, it):
+
+			def get_icon (dep):
+				if dep.satisfied:
+					return self.icons["installed"]
+				elif dep.dep[0] == "!":
+					return self.icons["block"]
+				else:
+					return None
+
+			# useflags
+			for use, usetree in tree.flags.iteritems():
+				if use[0] == "!":
+					usestring = _("If '%s' is disabled") % use[1:]
+				else:
+					usestring = _("If '%s' is enabled") % use
+				useit = store.append(it, [self.icons["use"], usestring])
+				add(usetree, useit)
+			
+			# ORs
+			ordeps = (dep for dep in tree.deps if isinstance(dep, dependency.OrDependency))
+
+			for ordep in ordeps:
+				orit = store.append(it, [self.icons["or"], _("One of the following")])
+
+				for dep in ordep.dep:
+					store.append(orit, [get_icon(dep), dep.dep])
+			
+			# normal
+			def sort_key (x):
+				split = system.split_cpv(x.dep)
+
+				if split is None: # split_cpv returns None if this is only a CP; we assume there are only valid deps
+					return x.dep
+				else:
+					return "/".join(split[0:2])
+			
+			ndeps = [dep for dep in tree.deps if not isinstance(dep, dependency.OrDependency)]
+			ndeps.sort(key = sort_key)
+			for dep in ndeps:
+				store.append(it, [get_icon(dep), dep.dep])
+
+		add (deptree, None)
+
+	def fill_use_list(self):
+
+		pkg = self.actual_package()
+		pkg_flags = pkg.get_iuse_flags()
+		pkg_flags.sort()
+	
+		actual_exp = None
+		actual_exp_it = None
+
+		euse = pkg.get_actual_use_flags()
+		instuse = pkg.get_installed_use_flags()
+
+		store = self.useList.get_model()
+
+		for use in pkg_flags:
+			exp = pkg.use_expanded(use, suggest = actual_exp)
+			if exp is not None:
+				if exp != actual_exp:
+					actual_exp_it = store.append(None, [None, None, exp, "<i>%s</i>" % _("This is an expanded use flag and cannot be selected")])
+					actual_exp = exp
+			else:
+				actual_exp_it = None
+				actual_exp = None
+
+			enabled = use in euse
+			installed = use in instuse
+			store.append(actual_exp_it, [enabled, installed, use, system.get_use_desc(use, self.cp)])
+		
+	def build_dep_list (self):
+		store = gtk.TreeStore(gtk.gdk.Pixbuf, str)
+
+		self.depList.set_model(store)
+
+		col = gtk.TreeViewColumn()
+
+		cell = gtk.CellRendererPixbuf()
+		col.pack_start(cell, False)
+		col.add_attribute(cell, "pixbuf", 0)
+
+		cell = gtk.CellRendererText()
+		col.pack_start(cell, True)
+		col.add_attribute(cell, "text", 1)
+
+		self.depList.append_column(col)
+	
+	def build_use_list (self):
+		"""Builds the useList."""
+		store = gtk.TreeStore(bool, bool, str, str)
+		self.useList.set_model(store)
+
+		# build view
+		cell = gtk.CellRendererText()
+		iCell = gtk.CellRendererToggle()
+		iCell.set_property("activatable", False)
+		tCell = gtk.CellRendererToggle()
+		tCell.set_property("activatable", True)
+		tCell.connect("toggled", self.cb_use_flag_toggled, store)
+		self.useList.append_column(gtk.TreeViewColumn(_("Enabled"), tCell, active = 0))
+		self.useList.append_column(gtk.TreeViewColumn(_("Installed"), iCell, active = 1))
+		self.useList.append_column(gtk.TreeViewColumn(_("Flag"), cell, text = 2))
+		self.useList.append_column(gtk.TreeViewColumn(_("Description"), cell, markup = 3))
+
+		self.useList.set_search_column(2)
+		self.useList.set_enable_tree_lines(True)
+
+	def build_version_combo (self):
+		store = gtk.ListStore(gtk.gdk.Pixbuf, str)
+
+		# build view
+		self.versionCombo.set_model(store)
+		col = gtk.TreeViewColumn("Versions")
+
+		# adding the pixbuf
+		cell = gtk.CellRendererPixbuf()
+		self.versionCombo.pack_start(cell, False)
+		self.versionCombo.add_attribute(cell, "pixbuf", 0)
+
+		# adding the package name
+		cell = gtk.CellRendererText()
+		self.versionCombo.pack_start(cell, True)
+		self.versionCombo.add_attribute(cell, "text", 1)
+
+		# connect
+		self.versionCombo.changeHandler = self.versionCombo.connect("changed", self.cb_version_combo_changed)
+
+	def fill_version_combo (self):
+		
+		store = self.versionCombo.get_model()
+		
+		# append versions
+		for vers, inst in ((x.get_version(), x.is_installed()) for x in self.packages):
+			if inst:
+				icon = self.main.instPixbuf
+			else:
+				icon = None
+			store.append([icon, vers])
+		
+		# activate the first one
+		try:
+			best_version = ""
+			if self.version:
+				best_version = self.version
+			else:
+				best_version = system.find_best_match(self.packages[0].get_cp(), only_installed = (self.instPackages != [])).get_version()
+			for i in range(len(self.packages)):
+				if self.packages[i].get_version() == best_version:
+					self.versionCombo.set_active(i)
+					break
+		except AttributeError: # no package found
+			self.versionCombo.set_active(0)
+
+	def actual_package (self):
+		"""Returns the actual selected package.
+		
+		@returns: the actual selected package
+		@rtype: backend.Package"""
+		
+		return self.packages[self.versionCombo.get_active()]
+
+	def _update_keywords (self, emerge, update = False):
+		if emerge:
+			type = "install" if not self.type else self.type
+			try:
+				try:
+					self.queue.append(self.actual_package().get_cpv(), type = type, update = update)
+				except PackageNotFoundException, e:
+					if unmask_dialog(e[0]) == gtk.RESPONSE_YES:
+						self.queue.append(self.actual_package().get_cpv(), type = type, unmask = True, update = update)
+			except BlockedException, e:
+				blocked_dialog(e[0], e[1])
+		else:
+			try:
+				self.queue.append(self.actual_package().get_cpv(), type = "uninstall")
+			except PackageNotFoundException, e:
+				error(_("Package could not be found: %s"), e[0])
+				#masked_dialog(e[0])
+
+	def cb_version_combo_changed (self, *args):
+
+		pkg = self.actual_package()
+
+		# set the views
+		for v in (self.ebuildView, self.changelogView, self.filesView):
+			v.update(pkg, force = self.notebook.get_nth_page(self.notebook.get_current_page()) == v.get_parent())
+
+		# set the labels
+		self.set_labels()
+
+		# set use list
+		self.useList.get_model().clear()
+		self.useList.columns_autosize()
+		self.fill_use_list()
+
+		# set dep list
+		self.depList.get_model().clear()
+		self.useList.columns_autosize()
+		self.fill_dep_list()
+		
+		#
+		# rebuild the buttons and checkboxes in all the different manners which are possible
+		#
+		if (not pkg.is_in_system()) or pkg.is_missing_keyword():
+			if not pkg.is_in_system():
+				self.missingLabel.hide()
+				self.notInSysLabel.show()
+			else: # missing keyword
+				self.missingLabel.show()
+				self.notInSysLabel.hide()
+#			
+			self.installedCheck.hide()
+			self.maskedCheck.hide()
+			self.maskedLabel.hide()
+			self.testingCheck.hide()
+			self.emergeBtn.set_sensitive(False)
+		else: # normal package
+			self.missingLabel.hide()
+			self.notInSysLabel.hide()
+			self.installedCheck.show()
+			self.maskedCheck.show()
+			self.maskedLabel.show()
+			self.testingCheck.show()
+			if self.doEmerge:
+				self.emergeBtn.set_sensitive(True)
+			self.installedCheck.set_active(pkg.is_installed())
+			
+			reason = pkg.get_masking_reason() or " "
+			if pkg.is_masked(use_changed = False) and not pkg.is_masked(use_changed = True):
+				self.maskedCheck.set_label("<i>(%s)</i>" % _("Masked"))
+				self.maskedCheck.get_child().set_use_markup(True)
+			else:
+				self.maskedCheck.set_label(_("Masked"))
+			
+			if pkg.is_locally_masked():
+				self.maskedCheck.set_label("<b>%s</b>" % _("Masked"))
+				self.maskedCheck.get_child().set_use_markup(True)
+				self.maskedCheck.set_active(True)
+				reason = _("Masked by user")
+			else:
+				self.maskedCheck.set_active(pkg.is_masked(use_changed = False))
+			
+			if reason:
+				self.maskedLabel.set_label(reason)
+			
+			if pkg.is_testing(use_keywords = False) and not pkg.is_testing(use_keywords = True):
+				self.testingCheck.set_label("<i>(%s)</i>" % _("Testing"))
+				self.testingCheck.get_child().set_use_markup(True)
+			else:
+				self.testingCheck.set_label(_("Testing"))
+			
+			self.testingCheck.set_active(pkg.is_testing(use_keywords = False))
+
+		if self.doEmerge:
+			# set emerge-button-label
+			if not self.actual_package().is_installed():
+				self.unmergeBtn.set_sensitive(False)
+			else:
+				self.unmergeBtn.set_sensitive(True)
+		
+		self.vb.show_all()
+		return True
+
+	def cb_button_pressed (self, b, event):
+		"""Callback for pressed checkboxes. Just quits the event-loop - no redrawing."""
+		if not isinstance(b, gtk.CellRendererToggle):
+			b.emit_stop_by_name("button-press-event")
+		return True
+
+	def cb_package_revert_clicked (self, button):
+		"""Callback for pressed revert-button."""
+		self.actual_package().remove_new_use_flags()
+		self.actual_package().remove_new_masked()
+		self.actual_package().remove_new_testing()
+		self.versionCombo.get_model().clear()
+		self.fill_version_combo()
+		self.cb_version_combo_changed()
+		if self.instantChange:
+			self._update_keywords(True, update = True)
+		return True
+
+	def cb_package_emerge_clicked (self, button):
+		"""Callback for pressed emerge-button. Adds the package to the EmergeQueue."""
+		self._update_keywords(True)
+		self.main.sysNotebook.set_current_page(self.main.QUEUE_PAGE)
+		return True
+
+	def cb_package_unmerge_clicked (self, button):
+		"""Callback for pressed unmerge-button clicked. Adds the package to the UnmergeQueue."""
+		self._update_keywords(False)
+		self.main.sysNotebook.set_current_page(self.main.QUEUE_PAGE)
+		return True
+
+	def cb_testing_toggled (self, button):
+		"""Callback for toggled testing-checkbox."""
+		status = button.get_active()
+
+		# end of recursion :)
+		if self.actual_package().is_testing(use_keywords = False) == status:
+			return False
+
+		# if the package is not testing - don't allow to set it as such
+		if not self.actual_package().is_testing(use_keywords = False):
+			button.set_active(False)
+			return True
+
+		# re-set to testing status
+		if not self.actual_package().is_testing(use_keywords = True):
+			self.actual_package().set_testing(False)
+			button.set_label(_("Testing"))
+			button.set_active(True)
+		else: # disable testing
+			self.actual_package().set_testing(True)
+			button.set_label("<i>(%s)</i>" % _("Testing"))
+			button.get_child().set_use_markup(True)
+			button.set_active(True)
+
+		if self.instantChange:
+			self._update_keywords(True, update = True)
+		
+		return True
+
+	def cb_masked_toggled (self, button):
+		"""Callback for toggled masking-checkbox."""
+		status = button.get_active()
+		pkg = self.actual_package()
+
+		if pkg.is_masked(use_changed = False) == status and not pkg.is_locally_masked():
+			return False
+
+		if pkg.is_locally_masked() and status:
+			return False
+	
+		if not pkg.is_masked(use_changed = True):
+			pkg.set_masked(True)
+			if pkg.is_locally_masked():
+				button.set_label("<b>%s</b>" % _("Masked"))
+				button.get_child().set_use_markup(True)
+				self.maskedLabel.set_label(_("Masked by user"))
+			else:
+				button.set_label(_("Masked"))
+
+			button.set_active(True)
+		else:
+			locally = pkg.is_locally_masked()
+			pkg.set_masked(False)
+			if pkg.is_masked(use_changed=False) and not locally:
+				button.set_label("<i>(%s)</i>" % _("Masked"))
+				button.get_child().set_use_markup(True)
+				button.set_active(True)
+			else:
+				button.set_label(_("Masked"))
+				self.maskedLabel.set_label("")
+		
+		if self.instantChange:
+			self._update_keywords(True, update = True)
+		
+		return True
+
+	def cb_use_flag_toggled (self, cell, path, store):
+		"""Callback for a toggled use-flag button."""
+		flag = store[path][2]
+		pkg = self.actual_package()
+		
+		if pkg.use_expanded(flag): # ignore expanded flags
+			return False
+
+		store[path][0] = not store[path][0]
+		prefix = ""
+		if not store[path][0]:
+			prefix = "-"
+		
+		pkg.set_use_flag(prefix+flag)	
+		if self.instantChange:
+			self._update_keywords(True, update = True)
+	
+		return True
+
+class MainWindow (Window):
+	"""
+	Application main window.
+	"""
+
+	# NOTEBOOK PAGE CONSTANTS
+	(
+			QUEUE_PAGE,
+			CONSOLE_PAGE,
+			LOG_PAGE
+	) = range(3)
+
+	def __init__ (self, splash = None):	
+		"""
+		Build up window.
+
+		@param splash: the splash screen =)
+		@type splash: SplashScreen
+		"""
+
+		if splash is None:
+			splash = lambda x: True
+		
+		# the title
+		self.main_title = "Portato (%s)" % VERSION
+
+		# main window stuff
+		Window.__init__(self)
+		self.window.set_title(self.main_title)
+		self.window.set_geometry_hints (self.window, max_height = gtk.gdk.screen_height(), max_width = gtk.gdk.screen_width())
+		
+		# booleans
+		self.doUpdate = False
+		self.showAll = True # show only installed or all packages?
+		self.__searchChanged = False
+
+		# installed pixbuf
+		self.instPixbuf = self.window.render_icon(gtk.STOCK_YES, gtk.ICON_SIZE_MENU)
+		
+		# get the logging window as soon as possible
+		self.logView = LogView(self.tree.get_widget("logView"))
+		
+		# config
+		splash(_("Loading Config"))
+		try:
+			self.cfg = Config(CONFIG_LOCATION)
+		except IOError, e:
+			io_ex_dialog(e)
+			raise
+
+		self.cfg.modify_external_configs()
+		self.set_uri_hook(self.cfg.get("browserCmd", section = "GUI"))
+		gtk.about_dialog_set_url_hook(lambda *args: True) # dummy - if not set link is not set as link; if link is clicked the normal uuri_hook is called too - thus do not call browser here
+
+		# package db
+		splash(_("Creating Database"))
+		self.db = Database()
+		self.db.populate()
+		
+		# set plugins and plugin-menu
+		splash(_("Loading Plugins"))
+
+		plugin.load_plugins("gtk")
+		menus = plugin.get_plugin_queue().get_plugin_menus()
+		if menus:
+			self.tree.get_widget("pluginMenuItem").set_no_show_all(False)
+			pluginMenu = self.tree.get_widget("pluginMenu")
+
+			for m in menus:
+				item = gtk.MenuItem(m.label)
+				item.connect("activate", m.call)
+				pluginMenu.append(item)
+
+		splash(_("Building frontend"))
+		# set paned position
+		self.vpaned = self.tree.get_widget("vpaned")
+		self.vpaned.set_position(int(self.window.get_size()[1]/2))
+		self.hpaned = self.tree.get_widget("hpaned")
+		self.hpaned.set_position(int(self.window.get_size()[0]/1.5))
+
+		# cat and pkg list
+		self.sortPkgListByName = True
+		self.catList = self.tree.get_widget("catList")
+		self.pkgList = self.tree.get_widget("pkgList")
+		self.build_cat_list()
+		self.build_pkg_list()
+
+		# search entry
+		self.searchEntry = self.tree.get_widget("searchEntry")
+
+		# queue list
+		self.queueList = self.tree.get_widget("queueList")
+		self.build_queue_list()
+
+		# the terminal
+		self.console = GtkConsole()
+		self.termHB = self.tree.get_widget("termHB")
+		self.build_terminal()
+		
+		# notebooks
+		self.sysNotebook = self.tree.get_widget("systemNotebook")
+		self.pkgNotebook = self.tree.get_widget("packageNotebook")
+		self.set_notebook_tabpos(map(PreferenceWindow.tabpos.get, map(int, (self.cfg.get("packageTabPos", "GTK"), self.cfg.get("systemTabPos", "GTK")))))
+		
+		# the different scrolls
+		ebuildScroll = self.tree.get_widget("ebuildScroll")
+		ebuildScroll.add(HighlightView(lambda p: p.get_ebuild_path(), ["gentoo", "sh"]))
+
+		changelogScroll = self.tree.get_widget("changelogScroll")
+		changelogScroll.add(HighlightView(lambda p: os.path.join(p.get_package_path(), "ChangeLog"), ["changelog"]))
+
+		def show_files (p):
+			try:
+				for f in p.get_files():
+					yield " %s\n" % f
+			except IOError, e:
+				yield _("Error: %s") % e.strerror
+
+		filesScroll = self.tree.get_widget("filesScroll")
+		filesScroll.add(InstalledOnlyView(show_files))
+		
+		# table
+		self.packageTable = PackageTable(self)
+
+		# popups
+		self.queuePopup = Popup("queuePopup", self, self.__file__)
+		self.consolePopup = Popup("consolePopup", self, self.__file__)
+		self.trayPopup = Popup("systrayPopup", self)
+
+		# pause menu items
+		self.emergePaused = False
+		self.pauseItems = {}
+		self.pauseItems["tray"] = self.trayPopup.tree.get_widget("pauseItemTray")
+		self.pauseItems["popup"] = self.consolePopup.tree.get_widget("pauseItemPopup")
+		self.pauseItems["menu"] = self.tree.get_widget("pauseItemMenu")
+
+		for k,v in self.pauseItems.iteritems():
+			self.pauseItems[k] = (v, v.connect_after("activate", self.cb_pause_emerge(k)))
+
+		# systray
+		if self.cfg.get_boolean("showSystray", "GUI"):
+			self.tray = gtk.status_icon_new_from_file(APP_ICON)
+			self.tray.connect("activate", self.cb_systray_activated)
+			self.tray.connect("popup-menu", lambda icon, btn, time: self.trayPopup.popup(None, None, None, btn, time))
+		else:
+			self.tray = None
+
+		# set emerge queue
+		self.queueTree = GtkTree(self.queueList.get_model())
+		self.queue = EmergeQueue(console = self.console, tree = self.queueTree, db = self.db, title_update = self.title_update, threadClass = GtkThread)
+		
+		self.catList.get_selection().select_path(1)
+		self.pkgList.get_selection().select_path(0)
+		
+		# session
+		splash(_("Restoring Session"))
+		try:
+			try:
+				self.load_session()
+			except OldSessionException, e:
+				self.load_session(e)
+		except SessionException, e:
+			warning(str(e))
+		
+		splash(_("Finishing startup"))
+		
+		self.window.show_all()
+	
+	def show_package (self, *args, **kwargs):
+		self.packageTable.update(*args, **kwargs)
+
+	def build_terminal (self):
+		"""
+		Builds the terminal.
+		"""
+		
+		self.console.set_scrollback_lines(1024)
+		self.console.set_scroll_on_output(True)
+		self.console.set_font_from_string(self.cfg.get("consolefont", "GTK"))
+		self.console.connect("button-press-event", self.cb_right_click)
+		self.termHB.pack_start(self.console, True, True)
+		
+		# add scrollbar
+		termScroll = gtk.VScrollbar(self.console.get_adjustment())
+		self.termHB.pack_start(termScroll, False)
+
+	def build_queue_list (self):
+		"""
+		Builds the queue list.
+		"""
+
+		store = gtk.TreeStore(str,str,bool)
+		
+		self.queueList.set_model(store)
+		
+		cell = gtk.CellRendererText()
+		col = gtk.TreeViewColumn(_("Queue"), cell, markup = 0)
+		self.queueList.append_column(col)
+		
+		col = gtk.TreeViewColumn(_("Options"), cell, markup = 1)
+		self.queueList.append_column(col)
+
+	def build_cat_list (self):
+		"""
+		Builds the category list.
+		"""
+		
+		store = gtk.ListStore(str)
+
+		self.catList.set_model(store)
+		cell = gtk.CellRendererText()
+		col = gtk.TreeViewColumn(_("Categories"), cell, text = 0)
+		self.catList.append_column(col)
+
+		self.fill_cat_store(store)
+		self.catList.get_selection().connect("changed", self.cb_cat_list_selection)
+
+	def fill_cat_store (self, store):
+		"""
+		Fills the category store with data.
+
+		@param store: the store to fill
+		@type store: gtk.ListStore
+		"""
+
+		cats = self.db.get_categories(installed = not self.showAll)
+
+		for p in cats:
+			store.append([p])
+		
+		# sort them alphabetically
+		store.set_sort_column_id(0, gtk.SORT_ASCENDING)
+
+	def build_pkg_list (self, name = None):
+		"""
+		Builds the package list.
+		
+		@param name: name of the selected catetegory
+		@type name: string
+		"""
+		
+		store = gtk.ListStore(gtk.gdk.Pixbuf, str, str)
+		self.fill_pkg_store(store,name)
+		
+		# build view
+		self.pkgList.set_model(store)
+		
+		col = gtk.TreeViewColumn(_("Packages"))
+		col.set_clickable(True)
+		col.connect("clicked", self.cb_pkg_list_header_clicked)
+
+		# adding the pixbuf
+		cell = gtk.CellRendererPixbuf()
+		col.pack_start(cell, False)
+		col.add_attribute(cell, "pixbuf", 0)
+		
+		# adding the package name
+		cell = gtk.CellRendererText()
+		col.pack_start(cell, True)
+		col.add_attribute(cell, "text", 1)
+		
+		self.pkgList.append_column(col)
+
+		self.pkgList.get_selection().connect("changed", self.cb_pkg_list_selection)
+
+	def fill_pkg_store (self, store, name = None):
+		"""
+		Fills a given ListStore with the packages in a category.
+		
+		@param store: the store to fill
+		@type store: gtk.ListStore
+		@param name: the name of the category
+		@type name: string
+		"""
+
+		if name:
+			for cat, pkg, is_inst in self.db.get_cat(name, self.sortPkgListByName):
+				if is_inst:
+					icon = self.instPixbuf
+				elif not self.showAll:
+					continue # ignore not installed packages
+				else:
+					icon = None
+				store.append([icon, pkg, cat])
+
+	def refresh_stores (self):
+		"""
+		Refreshes the category and package stores.
+		"""
+		store = self.catList.get_model()
+		store.clear()
+		self.fill_cat_store(store)
+
+		store = self.pkgList.get_model()
+		store.clear()
+		try:
+			self.fill_pkg_store(store, self.selCatName)
+		except AttributeError: # no selCatName -> so no category selected --> ignore
+			debug("No category selected --> should be no harm.")
+
+	def load_session(self, sessionEx = None):
+		"""
+		Loads the session data.
+		"""
+		try:
+			self.session = Session("gtk_session.cfg")
+		except (OSError, IOError), e:
+			io_ex_dialog(e)
+			return
+
+		oldVersion = SESSION_VERSION
+		allowedVersions = (0,)
+
+		if sessionEx and isinstance(sessionEx, SessionException):
+			if sessionEx.got in allowedVersions:
+				info(_("Translating session from version %d to %d.") % (sessionEx.got, sessionEx.expected))
+				oldVersion = sessionEx.got
+			else:
+				warning(_("Cannot translate session from version %d to %d.") % (sessionEx.got, sessionEx.expected))
+				raise sessionEx
+
+		#
+		# the callbacks for the different session variables
+		#
+
+		# QUEUE
+		def load_queue (merge, unmerge, oneshot):
+			def _load(q, **kwargs):
+				if q:
+					for i in q.split(","):
+						self.queue.append(i, **kwargs)
+
+			_load(merge)
+			_load(unmerge, unmerge = True)
+			_load(oneshot, oneshot = True)
+			
+		def save_queue ():
+			if self.__save_queue:
+				return (",".join(self.queue.mergequeue), ",".join(self.queue.unmergequeue), ",".join(self.queue.oneshotmerge))
+			else:
+				return ("", "", "")
+
+		# PANED
+		def load_paned (*pos):
+			pos = map(int, pos)
+			[x.set_position(p) for x,p in zip((self.vpaned, self.hpaned), pos)]
+
+		def save_paned ():
+			return [x.get_position() for x in (self.vpaned, self.hpaned)]
+
+		# SELECTION
+		def load_selection (list, col):
+			def _load (name):
+				pos = "0" # default
+				
+				if name:
+					for cname, path in ((x[col], x.path) for x in list.get_model()):
+						if cname == name:
+							pos = path
+				
+				list.get_selection().select_path(pos)
+				list.scroll_to_cell(pos)
+			
+			return _load
+
+		def save_pkg_selection ():
+			store, iter = self.pkgList.get_selection().get_selected()
+			if iter:
+				return store.get_value(iter, 1)
+			else:
+				return ""
+
+		def save_cat_selection ():
+			# try to find the correct category using the pkgList selection
+			# so we do not select ALL =)
+			# if no package has been selected - return selCatName
+			store, iter = self.pkgList.get_selection().get_selected()
+			if iter:
+				return store.get_value(iter, 2)
+			else:
+				return self.selCatName
+
+		# PLUGIN
+		def load_plugin (p):
+			def _load(val):
+				if val:
+					p.status = int(val)*2
+
+			return _load
+		
+		def save_plugin (p):
+			def _save ():
+				stat_on = p.status >= p.STAT_ENABLED
+				hard_on = not p.get_option("disabled")
+
+				if stat_on != hard_on:
+					return int(stat_on)
+				else:
+					return ""
+			return _save
+
+		# SESSION VERSION
+		def load_session_version (version):
+			if oldVersion != SESSION_VERSION: # we are trying to convert
+				return
+			
+			version = int(version)
+
+			if version < SESSION_VERSION:
+				raise OldSessionException(version, SESSION_VERSION)
+			elif version > SESSION_VERSION:
+				raise NewSessionException(version, SESSION_VERSION)
+
+		# set the simple ones :)
+		map(self.session.add_handler,[
+			([("gtksessionversion", "session")], load_session_version, lambda: SESSION_VERSION),
+			([("width", "window"), ("height", "window")], lambda w,h: self.window.resize(int(w), int(h)), self.window.get_size),
+			([("vpanedpos", "window"), ("hpanedpos", "window")], load_paned, save_paned),
+			([("catsel", "window")], load_selection(self.catList, 0), save_cat_selection),
+			([("pkgsel", "window")], load_selection(self.pkgList, 1), save_pkg_selection)
+			#([("merge", "queue"), ("unmerge", "queue"), ("oneshot", "queue")], load_queue, save_queue),
+			])
+
+		# set the plugins
+		queue = plugin.get_plugin_queue()
+		if queue:
+			for p in queue.get_plugins():
+				self.session.add_handler(([(p.name.replace(" ","_"), "plugins")], load_plugin(p), save_plugin(p)))
+
+		# now we have the handlers -> load
+		self.session.load()
+	
+	def jump_to (self, cp, version = None):
+		"""
+		Is called when we want to jump to a specific package.
+
+		@param cp: the CP to jump to
+		@type cp: string
+		@param version: if not None jump to a specific version
+		@type version: string
+		"""
+
+		cat, pkg = cp.split("/")
+
+		for list, idx, what, expr in ((self.catList, 0, "categories", cat), (self.pkgList, 1, "packages", pkg)):
+			pathes = [row.path for row in list.get_model() if row[idx] == expr]
+
+			if len(pathes) == 1:
+				list.get_selection().select_path(pathes[0])
+				list.scroll_to_cell(pathes[0])
+			else:
+				debug("Unexpected number of %s returned after search: %d", what, len(pathes))
+				break
+
+		self.show_package(cp, self.queue, version = version)
+
+	def set_uri_hook (self, browser):
+		"""
+		Sets the browser command which is called when a URL is going to be opened.
+
+		@param browser: the browser command
+		@type browser: string
+		"""
+
+		browser = browser.split()
+		gtk.link_button_set_uri_hook(lambda btn, x: get_listener().send_cmd(browser+[btn.get_uri()]))
+
+	def set_notebook_tabpos (self, tabposlist):
+		"""
+		Sets the positions of the tabs of the notebooks.
+
+		@param tabposlist: the list of positions: first comes the one for package tabs; sndly for sys tabs
+		@type tabposlist: int[]
+		"""
+		self.pkgNotebook.set_tab_pos(tabposlist[0])
+		self.sysNotebook.set_tab_pos(tabposlist[1])
+
+	def title_update (self, title):
+		"""
+		Updates the titles of the window and the systray.
+		Mainly used with emerge term titles.
+
+		@param title: the title
+		@type title: string
+		"""
+		
+		def window_title_update (title):
+			"""
+			Updates the title of the main window.
+			"""
+			if title is None or not self.cfg.get_boolean("updateTitle", "GUI"):
+				self.window.set_title(self.main_title)
+			else:
+				title = title.strip()
+				if title[0] == '*':
+					self.window.set_title(self.main_title)
+				else:
+					space_idx = title.rfind(" ")
+					if space_idx != -1:
+						title = title[:space_idx]
+
+					self.window.set_title(("Portato >>> %s" % title))
+
+		def __update(title):
+			if self.tray:
+				self.tray.set_tooltip(title)
+			
+			window_title_update(title)
+			if title is None: 
+				title = _("Console")
+			else: 
+				title = ("%s (%s)") % (_("Console"), title)
+			
+			self.sysNotebook.set_tab_label_text(self.termHB, title)
+
+			return False
+
+		# as this might get called from other threads use gobject.idle_add
+		gobject.idle_add(__update, title)
+
+	def cb_cat_list_selection (self, selection):
+		"""
+		Callback for a category-list selection. 
+		Updates the package list with the packages in the category.
+		"""
+		# get the selected category
+		store, it = selection.get_selected()
+		if it:
+			self.selCatName = store.get_value(it, 0)
+			self.pkgList.get_model().clear()
+			self.fill_pkg_store(self.pkgList.get_model(), self.selCatName)
+		return True
+
+	def cb_pkg_list_selection (self, selection):
+		"""
+		Callback for a package-list selection.
+		Updates the package info.
+		"""
+		store, it = selection.get_selected()
+		if it:
+			cp = "%s/%s" % (store.get_value(it, 2), store.get_value(it, 1))
+			self.show_package(cp, self.queue)
+		return True
+
+	def cb_pkg_list_header_clicked(self, col):
+		self.sortPkgListByName = not self.sortPkgListByName
+		self.pkgList.get_model().clear()
+		self.fill_pkg_store(self.pkgList.get_model(), self.selCatName)
+		return True
+
+	def cb_queue_row_activated (self, view, path, *args):
+		"""Callback for an activated row in the emergeQueue. Opens a package window."""
+		store = self.queueTree
+		if len(path) > 1:
+			iterator = store.get_original().get_iter(path)
+			if store.iter_has_parent(iterator):
+				package = store.get_value(iterator, store.get_cpv_column())
+				cat, name, vers, rev = system.split_cpv(package)
+				if rev != "r0": vers = vers+"-"+rev
+
+				if store.is_in_emerge(iterator):
+					type = "install"
+				elif store.is_in_unmerge(iterator):
+					type = "uninstall"
+				elif store.is_in_update(iterator):
+					type = "update"
+
+				self.show_package(cat+"/"+name, queue = self.queue, version = vers, instantChange = True, doEmerge = False, type = type)
+		return True
+	
+	def cb_queue_tooltip_queried (self, view, x, y, is_keyboard, tooltip):
+		store = self.queueList.get_model()
+		path = self.queueList.get_path_at_pos(x,y)
+
+		if path is None:
+			return False
+
+		it = store.get_iter(path[0])
+
+		if store.iter_parent(it) is None:
+			return False # do not show tooltips for the root entries
+
+		pkg = system.new_package(store.get_value(it, 0))
+		
+		enabled = []
+		disabled = []
+		expanded = set()
+
+		pkg_flags = pkg.get_iuse_flags()
+		pkg_flags.sort()
+		if not pkg_flags: # no flags - stop here
+			return None
+		
+		actual = set(pkg.get_actual_use_flags())
+		
+		if pkg.is_installed():
+			installed = set(pkg.get_iuse_flags()).intersection(pkg.get_installed_use_flags())
+		else:
+			inst = system.find_installed_packages(pkg.get_slot_cp())
+			if inst:
+				installed = set(inst[0].get_iuse_flags()).intersection(inst[0].get_installed_use_flags())
+			else:
+				installed = set()
+
+		diff = actual.symmetric_difference(installed)
+
+		for use in pkg_flags:
+			exp = pkg.use_expanded(use)
+			if exp:
+				expanded.add(exp)
+			
+			else:
+				useStr = use
+				if installed and use in diff:
+					useStr += " %"
+				if use in actual:
+					enabled.append(useStr)
+				else:
+					disabled.append(useStr)
+		
+		string = ""
+		
+		if enabled:
+			string = "<b>+%s</b>" % ("\n+".join(enabled),)
+			if len(disabled) > 0:
+				string = string + "\n"
+		
+		if disabled:
+			string = string+"<i>- %s</i>" % ("\n- ".join(disabled),)
+
+		if expanded:
+			string = string+"\n\n"+"\n".join(expanded)
+		
+		tooltip.set_markup(string)
+		return string != ""
+
+	def cb_execute_clicked (self, action):
+		"""Execute the current queue."""
+		
+		if len(flags.newUseFlags) > 0:
+			changed_flags_dialog(_("use flags"))
+			try:
+				flags.write_use_flags()
+			except IOError, e:
+				io_ex_dialog(e)
+				return True
+		
+		if len(flags.new_masked)>0 or len(flags.new_unmasked)>0 or len(flags.newTesting)>0:
+			debug("new masked: %s",flags.new_masked)
+			debug("new unmasked: %s", flags.new_unmasked)
+			debug("new testing: %s", flags.newTesting)
+			changed_flags_dialog(_("masking keywords"))
+			try:
+				flags.write_masked()
+				flags.write_testing()
+			except IOError, e:
+				io_ex_dialog(e)
+				return True
+			else:
+				system.reload_settings()
+
+		model, iter = self.queueList.get_selection().get_selected()
+
+		if iter is None:
+			if model.iter_n_children(None) == 1: # only one queue there - take this as being selected
+				iter = model.get_iter_root()
+			else:
+				return False
+
+		self.sysNotebook.set_current_page(self.CONSOLE_PAGE)
+		
+		# test which type of queue we have here
+		if self.queueTree.is_in_emerge(iter):
+			self.queue.emerge(force = True)
+		elif self.queueTree.is_in_unmerge(iter):
+			self.queue.unmerge(force = True)
+		else:
+			self.queue.update_world(force=True, newuse = self.cfg.get_boolean("newuse"), deep = self.cfg.get_boolean("deep"))
+
+		return True
+		
+	def cb_update_clicked (self, action):
+		def __update():
+			
+			def cb_idle_append (updating):
+				try:
+					try:
+						for pkg, old_pkg in updating:
+							self.queue.append(pkg.get_cpv(), type = "update", unmask = False)
+					except PackageNotFoundException, e:
+						if unmask_dialog(e[0]) == gtk.RESPONSE_YES:
+							for pkg, old_pkg in updating:
+								self.queue.append(pkg.get_cpv(), type = "update", unmask = True)
+
+				except BlockedException, e:
+					blocked_dialog(e[0], e[1])
+					self.queue.remove_children(self.queueTree.get_update_it())
+				
+				return False
+
+			watch = gtk.gdk.Cursor(gtk.gdk.WATCH)
+			self.window.window.set_cursor(watch)
+			try:
+				updating = system.update_world(newuse = self.cfg.get_boolean("newuse"), deep = self.cfg.get_boolean("deep"))
+				debug("updating list: %s --> length: %s", [(x.get_cpv(), y.get_cpv()) for x,y in updating], len(updating))
+				gobject.idle_add(cb_idle_append, updating)
+			finally:
+				self.window.window.set_cursor(None)
+			
+		GtkThread(name="Update-Thread", target=__update).start()
+		
+		return True
+
+	def cb_remove_clicked (self, button):
+		"""Removes a selected item in the (un)emerge-queue if possible."""
+		model, iter = self.queueList.get_selection().get_selected()
+
+		if iter:
+			parent = model.iter_parent(iter)
+			
+			if self.queueTree.is_in_update(iter) and parent:
+				if remove_updates_dialog() == gtk.RESPONSE_YES:
+					self.queue.remove_with_children(self.queueTree.get_update_it())
+			
+			elif not parent: # top-level
+				if model.iter_n_children(iter) > 0: # and has children which can be removed :)
+					if remove_queue_dialog() == gtk.RESPONSE_YES :
+						self.queue.remove_with_children(iter)
+				else:
+					self.queue.remove(iter)
+			
+			elif model.iter_parent(parent): # this is in the 3rd level => dependency
+				remove_deps_dialog()
+			else:
+				self.queue.remove_with_children(iter)
+
+				if model.iter_n_children(parent) == 0: # no more children left - remove queue too
+					self.queue.remove(parent)
+		
+			return True
+		return False
+
+	def cb_sync_clicked (self, action):
+		self.sysNotebook.set_current_page(self.CONSOLE_PAGE)
+		cmd = self.cfg.get("syncCommand")
+
+		if cmd != "emerge --sync":
+			cmd = cmd.split()
+			self.queue.sync(cmd)
+		else:
+			self.queue.sync()
+
+	def cb_save_flags_clicked (self, action):
+		try:
+			flags.write_use_flags()
+			flags.write_testing()
+			flags.write_masked()
+		except IOError, e:
+			io_ex_dialog(e)
+
+	@Window.watch_cursor
+	def cb_reload_clicked (self, action):
+		"""Reloads the portage settings and the database."""
+		system.reload_settings()
+		self.db.reload()
+
+	@Window.watch_cursor
+	def cb_search_clicked (self, entry):
+		"""Do a search."""
+		text = entry.get_text()
+		if text != "":
+			if "/" not in text:
+				text = "/.*"+text # only look for package names
+
+			packages = system.find_all_packages(text, withVersion = False)
+
+			if packages == []:
+				nothing_found_dialog()
+			else:
+				if len(packages) == 1:
+					self.jump_to(packages[0])
+				else:
+					SearchWindow(self.window, packages, self.jump_to)
+
+		return True
+
+	def cb_search_changed (self, *args):
+		"""
+		Called when the user enters something in the search field.
+		Updates the packages according to the search expression.
+		"""
+		if not self.__searchChanged and self.cfg.get_boolean("searchOnType", section="GUI"):
+			self.__searchChanged = True
+			
+			def __update():
+				self.__searchChanged = False
+				txt = self.searchEntry.get_text()
+
+				if txt or self.db.restrict:
+					self.db.restrict = txt
+
+				self.refresh_stores()
+				self.catList.get_selection().select_path("0") # XXX make this smarter
+
+				return False # not again ;)
+
+			gobject.timeout_add(100, __update)
+
+	def cb_delete_search_clicked (self, *args):
+		self.searchEntry.set_text("")
+		return True
+
+	def cb_preferences_clicked (self, *args):
+		"""
+		User wants to open preferences.
+		"""
+		PreferenceWindow(self.window, self.cfg, self.console.set_font_from_string, self.set_uri_hook, self.set_notebook_tabpos)
+		return True
+
+	def cb_about_clicked (self, *args):
+		"""
+		User wants to open about dialog.
+		"""
+		AboutWindow(self.window)
+		return True
+
+	def cb_plugins_clicked (self, *args):
+		"""
+		User wants to open plugin dialog.
+		"""
+		queue = plugin.get_plugin_queue()
+		if queue is None:
+			plugins = []
+		else:
+			plugins = queue.get_plugins()
+		
+		PluginWindow(self.window, plugins)
+		return True
+	
+	def cb_show_updates_clicked (self, *args):
+		"""
+		Show the list of updateble packages.
+		"""
+
+		def __update():			
+			def cb_idle_show(packages):
+				"""
+				Callback opening the menu when the calculation is finished.
+
+				@returns: False to signal that it is finished
+				"""
+				UpdateWindow(self.window, packages, self.queue, self.jump_to)
+				return False
+			
+			watch = gtk.gdk.Cursor(gtk.gdk.WATCH)
+			self.window.window.set_cursor(watch)
+			
+			packages = []
+			try:
+				packages.extend(system.get_updated_packages())
+			finally:
+				self.window.window.set_cursor(None)
+
+			gobject.idle_add(cb_idle_show, packages)
+		
+		GtkThread(name="Show Updates Thread", target = __update).start()
+		return True
+
+	def cb_show_installed_toggled (self, *args):
+		"""
+		Toggle the "show only installed" option.
+		"""
+		self.showAll = not self.showAll
+		self.refresh_stores()
+
+	def cb_right_click (self, object, event):
+		"""
+		Called when the user right clicks somewhere.
+		Used to display a menu.
+		
+		This method should handle ALL such menus.
+
+		@param object: the object/widget where the click is done
+		@type object: gtk.Widget
+		@param event: the event triggered
+		@type event: gtk.gdk.Event
+		"""
+
+		if event.type == gtk.gdk.BUTTON_PRESS and event.button == 3: # 3 == right click
+			x = int(event.x)
+			y = int(event.y)
+			time = event.time
+			
+			if object == self.queueList:
+				pthinfo = object.get_path_at_pos(x, y)
+				if pthinfo is not None:
+					path, col, cellx, celly = pthinfo
+					it = self.queueList.get_model().get_iter(path)
+					if self.queueTree.is_in_emerge(it) and self.queueTree.iter_has_parent(it):
+						object.grab_focus()
+						object.set_cursor(path, col, 0)
+						self.queuePopup.popup(None, None, None, event.button, time)
+					return True
+			elif object == self.console:
+				self.consolePopup.popup(None, None, None, event.button, time)
+			else:
+				return False
+		else:
+			return False
+
+	def cb_oneshot_clicked (self, *args):
+		"""
+		Mark a package as oneshot.
+		"""
+		sel = self.queueList.get_selection()
+		store, it = sel.get_selected()
+		if it:
+			package = store.get_value(it, 0)
+			set = (package not in self.queue.oneshotmerge)
+			
+			self.queue.append(package, update = True, oneshot = set, forceUpdate = True)
+
+	def cb_pause_emerge (self, curr):
+		"""
+		This method returns a callback for a "pause emerge" toggle button.
+		It is needed as there are different toggle buttons of this type and if one is clicked,
+		the others should be marked too.
+
+		@param curr: The button to return the callback for.
+		@type curr: gtk.ToggleButton
+		"""
+		def pause (cb):
+			"""
+			The actual callback.
+
+			Mark all other buttons too.
+
+			@param cb: The button which got toggled.
+			@type cb: gtk.ToggleButton
+			"""
+
+			# pause or continue
+			self.emergePaused = cb.get_active()
+			if not self.emergePaused:
+				self.queue.continue_emerge()
+			else:
+				self.queue.stop_emerge()
+
+			# block the handlers of the other buttons
+			# so that calling "set_active" does not call this callback recursivly
+			for v in self.pauseItems.itervalues():
+				v[0].handler_block(v[1])
+
+			# mark the others
+			for k, v in self.pauseItems.iteritems():
+				if k != curr:
+					v[0].set_active(self.emergePaused)
+
+			# unblock
+			for v in self.pauseItems.itervalues():
+				v[0].handler_unblock(v[1])
+			
+			return False
+		return pause
+
+	def cb_kill_clicked (self, *args):
+		"""
+		Kill emerge.
+		"""
+		self.queue.kill_emerge()
+		if self.emergePaused: # unmark the "pause emerge" buttons
+			self.pauseItems["menu"][0].set_active(False) # calling one button is enough (see: cb_pause_emerge)
+
+	def cb_copy_clicked (self, *args):
+		"""
+		Copy marked text in the terminal to clipboard.
+		"""
+		self.console.copy_clipboard()
+
+	def cb_delete (self, *args):
+		"""
+		Called when the user wants to quit the application.
+
+		Asks the user for confirmation if there is something in the queue.
+		Also saves session data.
+		"""
+
+		self.__save_queue = False
+
+		if not self.queue.is_empty():
+			ret = queue_not_empty_dialog()
+			if ret == gtk.RESPONSE_CANCEL:
+				return True
+			else: # there is sth in queue AND the user still wants to close -> kill emerge
+				self.__save_queue = (ret == gtk.RESPONSE_YES)
+				self.queue.kill_emerge()
+
+		# write session
+		self.session.save()
+		
+		return False
+
+	def cb_minimized (self, window, event):
+		"""
+		User wants to minimize the window. 
+		If it is possible to minimize to tray, it is done.
+		"""
+
+		if self.tray and self.cfg.get_boolean("hideOnMinimize", "GUI"):
+			if event.changed_mask & gtk.gdk.WINDOW_STATE_ICONIFIED:
+				if event.new_window_state & gtk.gdk.WINDOW_STATE_ICONIFIED:
+					self.window.hide()
+					return True
+		
+		return False
+
+	def cb_systray_activated (self, *args):
+		"""
+		Systray was activated. Show or hide the window.
+		"""
+		if self.window.iconify_initially:
+			self.window.deiconify()
+			self.window.show()
+			self.window.window.show()
+		else:
+			self.window.iconify()
+
+	def cb_close (self, *args):
+		"""
+		"Close" menu entry called.
+		Emulate normal quitting.
+		"""
+		if not self.cb_delete(): # do the checks
+			self.window.destroy()
+
+	def cb_destroy (self, *args):
+		"""
+		Calls main_quit().
+		"""
+		gtk.main_quit()
+	
+	def main (self):
+		"""
+		Main.
+		"""
+		gobject.threads_init() 
+		# now subthreads can run normally, but are not allowed to touch the GUI. If threads should change sth there - use gobject.idle_add().
+		# for more informations on threading and gtk: http://www.async.com.br/faq/pygtk/index.py?req=show&file=faq20.006.htp
+		gtk.main()