Switch from tabs to 4 spaces

1 files changed, 1741 insertions, 1741 deletions

diff --git a/portato/gui/windows/main.py b/portato/gui/windows/main.py
index 1b7c0f0..fca4535 100644
--- a/portato/gui/windows/main.py
+++ b/portato/gui/windows/main.py
@@ -36,8 +36,8 @@ from ..session import SESSION_VERSION, SessionException, OldSessionException, Ne
 from ..wrapper import GtkTree, GtkConsole
 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)
+        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
@@ -48,1744 +48,1744 @@ 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")
-		
-		# 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, get_color(self.main.cfg, "packagetable"))
-		
-		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, pkg, queue = None, doEmerge = True, instantChange = False, type = None):
-		"""Updates the table to show the contents for the package.
-		
-		@param pkg: the selected package
-		@type pkg: Package
-		@param queue: emerge-queue (if None the emerge-buttons are disabled)
-		@type queue: EmergeQueue
-		@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.pkg = pkg
-		self.queue = queue
-		self.doEmerge = doEmerge
-		self.instantChange = instantChange
-		self.type = type
-
-		if not self.queue or not self.doEmerge: 
-			self.emergeBtn.set_sensitive(False)
-			self.unmergeBtn.set_sensitive(False)
-		
-		# current status
-		self._update_table()
-		self.vb.show_all()
-
-	def hide (self):
-		self.vb.hide_all()
-
-	def set_labels (self):
-		pkg = self.pkg
-		
-		# name
-		self.nameLabel.set_markup("<b>%s</b>" % pkg.get_cpv())
-		
-		# description
-		desc = pkg.get_package_settings("DESCRIPTION") or _("<no description>")
-		self.descLabel.set_label(desc)
-
-		# overlay
-		if pkg.is_in_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):
-
-		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:
-					if isinstance(dep, dependency.AllOfDependency): # a list inside or
-						allit = store.append(orit, [None, _("All of the following")])
-						for adep in dep.dep:
-							store.append(allit, [get_icon(adep), adep.dep])
-					else:
-						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])
-		
-		try:
-			deptree = self.pkg.get_dependencies()
-		except AssertionError:
-			w =  _("Can't display dependencies: This package has an unsupported dependency string.")
-			error(w)
-			store.append(None, [None, w])
-		else:
-			add(deptree, None)
-
-	def fill_use_list(self):
-
-		pkg = self.pkg
-		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.pkg.get_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 _update_keywords (self, emerge, update = False):
-		if emerge:
-			type = "install" if not self.type else self.type
-			try:
-				try:
-					self.queue.append(self.pkg.get_cpv(), type = type, update = update)
-				except PackageNotFoundException, e:
-					if unmask_dialog(e[0]) == gtk.RESPONSE_YES:
-						self.queue.append(self.pkg.get_cpv(), type = type, unmask = True, update = update)
-			except BlockedException, e:
-				blocked_dialog(e[0], e[1])
-		else:
-			try:
-				self.queue.append(self.pkg.get_cpv(), type = "uninstall")
-			except PackageNotFoundException, e:
-				error(_("Package could not be found: %s"), e[0])
-				#masked_dialog(e[0])
-
-	def _update_table (self, *args):
-
-		pkg = self.pkg
-
-		# 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 pkg.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.pkg.remove_new_use_flags()
-		self.pkg.remove_new_masked()
-		self.pkg.remove_new_testing()
-		self._update_table()
-		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.pkg.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.pkg.is_testing(use_keywords = False):
-			button.set_active(False)
-			return True
-
-		# re-set to testing status
-		if not self.pkg.is_testing(use_keywords = True):
-			self.pkg.set_testing(False)
-			button.set_label(_("Testing"))
-			button.set_active(True)
-		else: # disable testing
-			self.pkg.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.pkg
-
-		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.pkg
-		
-		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
+    """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")
+        
+        # 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, get_color(self.main.cfg, "packagetable"))
+        
+        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, pkg, queue = None, doEmerge = True, instantChange = False, type = None):
+        """Updates the table to show the contents for the package.
+        
+        @param pkg: the selected package
+        @type pkg: Package
+        @param queue: emerge-queue (if None the emerge-buttons are disabled)
+        @type queue: EmergeQueue
+        @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.pkg = pkg
+        self.queue = queue
+        self.doEmerge = doEmerge
+        self.instantChange = instantChange
+        self.type = type
+
+        if not self.queue or not self.doEmerge: 
+            self.emergeBtn.set_sensitive(False)
+            self.unmergeBtn.set_sensitive(False)
+        
+        # current status
+        self._update_table()
+        self.vb.show_all()
+
+    def hide (self):
+        self.vb.hide_all()
+
+    def set_labels (self):
+        pkg = self.pkg
+        
+        # name
+        self.nameLabel.set_markup("<b>%s</b>" % pkg.get_cpv())
+        
+        # description
+        desc = pkg.get_package_settings("DESCRIPTION") or _("<no description>")
+        self.descLabel.set_label(desc)
+
+        # overlay
+        if pkg.is_in_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):
+
+        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:
+                    if isinstance(dep, dependency.AllOfDependency): # a list inside or
+                        allit = store.append(orit, [None, _("All of the following")])
+                        for adep in dep.dep:
+                            store.append(allit, [get_icon(adep), adep.dep])
+                    else:
+                        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])
+        
+        try:
+            deptree = self.pkg.get_dependencies()
+        except AssertionError:
+            w =  _("Can't display dependencies: This package has an unsupported dependency string.")
+            error(w)
+            store.append(None, [None, w])
+        else:
+            add(deptree, None)
+
+    def fill_use_list(self):
+
+        pkg = self.pkg
+        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.pkg.get_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 _update_keywords (self, emerge, update = False):
+        if emerge:
+            type = "install" if not self.type else self.type
+            try:
+                try:
+                    self.queue.append(self.pkg.get_cpv(), type = type, update = update)
+                except PackageNotFoundException, e:
+                    if unmask_dialog(e[0]) == gtk.RESPONSE_YES:
+                        self.queue.append(self.pkg.get_cpv(), type = type, unmask = True, update = update)
+            except BlockedException, e:
+                blocked_dialog(e[0], e[1])
+        else:
+            try:
+                self.queue.append(self.pkg.get_cpv(), type = "uninstall")
+            except PackageNotFoundException, e:
+                error(_("Package could not be found: %s"), e[0])
+                #masked_dialog(e[0])
+
+    def _update_table (self, *args):
+
+        pkg = self.pkg
+
+        # 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 pkg.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.pkg.remove_new_use_flags()
+        self.pkg.remove_new_masked()
+        self.pkg.remove_new_testing()
+        self._update_table()
+        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.pkg.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.pkg.is_testing(use_keywords = False):
+            button.set_active(False)
+            return True
+
+        # re-set to testing status
+        if not self.pkg.is_testing(use_keywords = True):
+            self.pkg.set_testing(False)
+            button.set_label(_("Testing"))
+            button.set_active(True)
+        else: # disable testing
+            self.pkg.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.pkg
+
+        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.pkg
+        
+        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()
-		menus = [p.menus for p in plugin.get_plugin_queue().get_plugins()]
-		if menus:
-			self.tree.get_widget("pluginMenuItem").set_no_show_all(False)
-			pluginMenu = self.tree.get_widget("pluginMenu")
-
-			for m in itt.chain(*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))
-
-		# lists
-		self.selCatName = ""
-		self.selCP = ""
-		self.selCPV = ""
-		self.sortPkgListByName = True
-		self.catList = self.tree.get_widget("catList")
-		self.pkgList = self.tree.get_widget("pkgList")
-		self.versionList = self.tree.get_widget("versionList")
-		self.build_cat_list()
-		self.build_pkg_list()
-		self.build_version_list()
-
-		# search entry
-		self.searchEntry = self.tree.get_widget("searchEntry")
-
-		# queue list
-		self.queueOneshot = self.tree.get_widget("oneshotCB")
-		self.queueOneshotHandler = self.queueOneshot.connect("toggled", self.cb_oneshot_clicked)
-		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", "GUI"), self.cfg.get("systemTabPos", "GUI")))))
-		
-		# 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.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)
-		
-		# 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, pkg = None, cpv = None, cp = None, version = None, **kwargs):
-		p = None
-
-		if pkg:
-			p = pkg
-		elif cpv:
-			p = system.find_packages("="+cpv, masked = True)[0]
-		elif cp:
-			if version:
-				p = system.find_packages("=%s-%s" % (cp, version), masked = True)[0]
-			
-			else:
-				best = system.find_best_match(cp)
-				if best:
-					p = best
-				else:
-					p = system.find_packages(cp)[0]
-		
-		self.packageTable.update(p, **kwargs)
-
-	def build_terminal (self):
-		"""
-		Builds the terminal.
-		"""
-		
-		self.console.set_scrollback_lines(int(self.cfg.get("scrollbacklines", "GUI")))
-		self.console.set_scroll_on_output(True)
-		self.console.set_font_from_string(self.cfg.get("consolefont", "GUI"))
-		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)
-
-		self.queueList.get_selection().connect("changed", self.cb_queue_list_selection)
-
-	def build_cat_list (self):
-		"""
-		Builds the category list.
-		"""
-		
-		store = gtk.TreeStore(str)
-
-		self.fill_cat_store(store)
-
-		self.catList.set_model(store)
-		cell = gtk.CellRendererText()
-		col = gtk.TreeViewColumn(_("Categories"), cell, text = 0)
-		self.catList.append_column(col)
-
-		self.catList.get_selection().connect("changed", self.cb_cat_list_selection)
-
-	def fill_cat_store (self, store = None):
-		"""
-		Fills the category store with data.
-	
-		@param store: the store to fill
-		@type store: gtk.ListStore
-		"""
-
-		if store is None:
-			store = self.catList.get_model()
-		
-		store.clear()
-
-		cats = self.db.get_categories(installed = not self.showAll)
-
-		if not self.cfg.get_boolean("collapseCats", "GUI"):
-			for p in cats:
-				store.append(None, [p])
-		else:
-			splitCats = defaultdict(list)
-			for c in cats:
-				try:
-					pre, post = c.split("-", 1)
-				except ValueError: # no "-" in cat name -- do not split
-					debug("Category '%s' can't be split up. Should be no harm.", c)
-					splitCats["not-split"].append(c)
-				else:
-					splitCats[pre].append(post)
-
-			for sc in splitCats:
-				if sc == "not-split":
-					it = None # append not splitted stuff to root
-				else:
-					it = store.append(None, [sc])
-				for cat in splitCats[sc]:
-					store.append(it, [cat])
-		
-		# 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 = None, 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 store is None:
-			store = self.pkgList.get_model()
-		store.clear()
-
-		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 build_version_list (self):
-		store = gtk.ListStore(gtk.gdk.Pixbuf, str, str)
-
-		# build view
-		self.versionList.set_model(store)
-		
-		col = gtk.TreeViewColumn(_("Versions"))
-		col.set_property("expand", True)
-		
-		self.slotcol = gtk.TreeViewColumn(_("Slot"))
-		self.slotcol.set_property("expand", True)
-
-		# 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)
-
-		# adding the slot
-		cell = gtk.CellRendererText()
-		self.slotcol.pack_start(cell, True)
-		self.slotcol.add_attribute(cell, "text", 2)
-
-		self.versionList.append_column(col)
-		self.versionList.append_column(self.slotcol)
-
-		self.versionList.get_selection().connect("changed", self.cb_vers_list_selection)
-
-	def fill_version_list (self, cp, version = None):
-		
-		store = self.versionList.get_model()
-		store.clear()
-
-		# this is here for performance reasons
-		# to not query the package with info, we do not need
-		if self.cfg.get_boolean("showSlots", "GUI"):
-			def get_slot(pkg):
-				return pkg.get_package_settings("SLOT")
-			
-			self.slotcol.set_visible(True)
-		
-		else:
-			def get_slot(*args):
-				return ""
-			
-			self.slotcol.set_visible(False)
-
-		packages = system.sort_package_list(system.find_packages(cp, masked=True))
-		
-		# append versions
-		for vers, inst, slot in ((x.get_version(), x.is_installed(), get_slot(x)) for x in packages):
-			if inst:
-				icon = self.instPixbuf
-			else:
-				icon = None
-				
-			store.append([icon, vers, slot])
-
-		pos = ((0,)) # default
-		
-		# activate the first one
-		try:
-			best_version = ""
-			if version:
-				best_version = version
-			else:
-				best_version = system.find_best_match(packages[0].get_cp()).get_version()
-			for i, p in enumerate(packages):
-				if p.get_version() == best_version:
-					pos = (i,)
-					break
-		except AttributeError: # no package found
-			pass
-
-		self.versionList.get_selection().select_path(pos)
-		self.versionList.scroll_to_cell(pos)
-
-	def refresh_stores (self):
-		"""
-		Refreshes the category and package stores.
-		"""
-		self.fill_cat_store()
-
-		if self.selCatName:
-			self.fill_pkg_store(name = self.selCatName)
-		else: # 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 = (0,1)
-
-		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
-							break
-
-					if self.cfg.get_boolean("collapseCats", "GUI") and \
-							pos == "0" and isinstance(list.get_model(), gtk.TreeStore): # try the new split up
-
-						try:
-							pre, post = name.split("-", 1)
-						except ValueError: # nothing to split
-							pass
-						else:
-							for row in list.get_model():
-								if row[col] == pre: # found first part
-									pos = row.path
-									list.expand_row(pos, False)
-									for cname, path in ((x[col], x.path) for x in row.iterchildren()):
-										if cname == post: # found second
-											pos = ":".join(map(str,path))
-											break
-									break
-				
-				debug("Selecting path '%s'.", pos)
-				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 ():
-				if p.status == p.STAT_HARD_DISABLED:
-					return ""
-
-				return int(p.status >= p.STAT_ENABLED)
-			
-			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)
-
-		def _add (value):
-			if len(value) == 4:
-				self.session.add_handler(value[:3], default = value[3])
-			else:
-				self.session.add_handler(value)
-
-		# set the simple ones :)
-		map(_add,[
-			([("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, ["app-portage"]),
-			([("pkgsel", "window")], load_selection(self.pkgList, 1), save_pkg_selection, ["portato"])
-			#([("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 = cp, version = version, queue = self.queue)
-
-	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 or not self.cfg.get_boolean("updateConsole", "GUI"): 
-				title = _("Console")
-			else: 
-				title = ("%s (%s)") % (_("Console"), title)
-			
-			tlength = int(self.cfg.get("titlelength", "GUI"))
-			if (len(title) > tlength): title = "%s..." % title[:tlength-3]
-			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:
-			if not self.cfg.get_boolean("collapseCats", "GUI"):
-				self.selCatName = store.get_value(it, 0)
-			else:
-				parent = store.iter_parent(it)
-				if parent is None:
-					if store.iter_has_child(it): # this is a split up selector -> do nothing
-						return True
-					else:
-						self.selCatName = store.get_value(it, 0) # this is a non-split up top
-				else:
-					self.selCatName = ("%s-%s" % (store.get_value(parent, 0), store.get_value(it, 0)))
-
-			self.fill_pkg_store(name = self.selCatName)
-		return True
-
-	def cb_pkg_list_selection (self, selection):
-		"""
-		Callback for a package-list selection.
-		Updates the version list.
-		"""
-		store, it = selection.get_selected()
-		if it:
-			self.selCP = "%s/%s" % (store.get_value(it, 2), store.get_value(it, 1))
-			self.fill_version_list(self.selCP)
-		return True
-
-	def cb_pkg_list_header_clicked(self, col):
-		self.sortPkgListByName = not self.sortPkgListByName
-		self.fill_pkg_store(name = self.selCatName)
-		return True
-
-	def cb_vers_list_selection (self, selection):
-		"""
-		Callback for a package-list selection.
-		Updates the version list.
-		"""
-		store, it = selection.get_selected()
-		if it:
-			self.selCPV = "%s-%s" % (self.selCP, store.get_value(it, 1))
-			self.show_package(cpv = self.selCPV, queue = self.queue)
-		
-		return True
-
-	def cb_queue_list_selection (self, selection):
-
-		def set_val (val):
-			self.queueOneshot.handler_block(self.queueOneshotHandler)
-			self.queueOneshot.set_active(val)
-			self.queueOneshot.handler_unblock(self.queueOneshotHandler)
-
-		store, it = selection.get_selected()
-		if it:
-			parent = self.queueTree.parent_iter(it)
-			if self.queueTree.is_in_emerge(it) and parent and not self.queueTree.iter_has_parent(parent):
-				package = store.get_value(it, 0)
-				self.queueOneshot.set_sensitive(True)
-				set_val(package in self.queue.oneshotmerge)
-				return True
-
-		self.queueOneshot.set_sensitive(False)
-		set_val(False)
-		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())
-
-				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(cpv = package, queue = self.queue, 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_packages(pkg.get_slot_cp(), system.SET_INSTALLED)
-			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:
-			if not self.session.get_boolean("useflags", "dialogs"):
-				self.session.set("useflags", changed_flags_dialog(_("use flags"))[1], "dialogs")
-			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)
-			if not self.session.get_boolean("keywords", "dialogs"):
-				self.session.set("keywords", changed_flags_dialog(_("masking keywords"))[1], "dialogs")
-			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(sets = self.updateSets, 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:
-				if system.has_set_support():
-					confsets = [x.strip() for x in self.cfg.get("updatesets").split(",")]
-					self.updateSets = [s for s in confsets if s in system.get_sets()]
-					updating = system.update_world(sets = self.updateSets, newuse = self.cfg.get_boolean("newuse"), deep = self.cfg.get_boolean("deep"))
-				else:
-					updating = system.update_world(newuse = self.cfg.get_boolean("newuse"), deep = self.cfg.get_boolean("deep"))
-					self.updateSets = ("world",)
-				
-				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_packages(text, with_version = 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, self.fill_cat_store)
-		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 = list(queue.get_plugins())
-
-		PluginWindow(self.window, plugins, self.queue)
-		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.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:
-			if self.queueTree.is_in_emerge(it) and self.queueTree.iter_has_parent(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()
-				#self.tray.set_from_file(APP_ICON)
-			else:
-				self.queue.stop_emerge()
-				#self.tray.set_from_file(os.path.join(ICON_DIR, "pausing.png"))
-
-			# 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
-		plugin.hook("main")(gtk.main)()
+    """
+    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()
+        menus = [p.menus for p in plugin.get_plugin_queue().get_plugins()]
+        if menus:
+            self.tree.get_widget("pluginMenuItem").set_no_show_all(False)
+            pluginMenu = self.tree.get_widget("pluginMenu")
+
+            for m in itt.chain(*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))
+
+        # lists
+        self.selCatName = ""
+        self.selCP = ""
+        self.selCPV = ""
+        self.sortPkgListByName = True
+        self.catList = self.tree.get_widget("catList")
+        self.pkgList = self.tree.get_widget("pkgList")
+        self.versionList = self.tree.get_widget("versionList")
+        self.build_cat_list()
+        self.build_pkg_list()
+        self.build_version_list()
+
+        # search entry
+        self.searchEntry = self.tree.get_widget("searchEntry")
+
+        # queue list
+        self.queueOneshot = self.tree.get_widget("oneshotCB")
+        self.queueOneshotHandler = self.queueOneshot.connect("toggled", self.cb_oneshot_clicked)
+        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", "GUI"), self.cfg.get("systemTabPos", "GUI")))))
+        
+        # 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.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)
+        
+        # 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, pkg = None, cpv = None, cp = None, version = None, **kwargs):
+        p = None
+
+        if pkg:
+            p = pkg
+        elif cpv:
+            p = system.find_packages("="+cpv, masked = True)[0]
+        elif cp:
+            if version:
+                p = system.find_packages("=%s-%s" % (cp, version), masked = True)[0]
+            
+            else:
+                best = system.find_best_match(cp)
+                if best:
+                    p = best
+                else:
+                    p = system.find_packages(cp)[0]
+        
+        self.packageTable.update(p, **kwargs)
+
+    def build_terminal (self):
+        """
+        Builds the terminal.
+        """
+        
+        self.console.set_scrollback_lines(int(self.cfg.get("scrollbacklines", "GUI")))
+        self.console.set_scroll_on_output(True)
+        self.console.set_font_from_string(self.cfg.get("consolefont", "GUI"))
+        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)
+
+        self.queueList.get_selection().connect("changed", self.cb_queue_list_selection)
+
+    def build_cat_list (self):
+        """
+        Builds the category list.
+        """
+        
+        store = gtk.TreeStore(str)
+
+        self.fill_cat_store(store)
+
+        self.catList.set_model(store)
+        cell = gtk.CellRendererText()
+        col = gtk.TreeViewColumn(_("Categories"), cell, text = 0)
+        self.catList.append_column(col)
+
+        self.catList.get_selection().connect("changed", self.cb_cat_list_selection)
+
+    def fill_cat_store (self, store = None):
+        """
+        Fills the category store with data.
+    
+        @param store: the store to fill
+        @type store: gtk.ListStore
+        """
+
+        if store is None:
+            store = self.catList.get_model()
+        
+        store.clear()
+
+        cats = self.db.get_categories(installed = not self.showAll)
+
+        if not self.cfg.get_boolean("collapseCats", "GUI"):
+            for p in cats:
+                store.append(None, [p])
+        else:
+            splitCats = defaultdict(list)
+            for c in cats:
+                try:
+                    pre, post = c.split("-", 1)
+                except ValueError: # no "-" in cat name -- do not split
+                    debug("Category '%s' can't be split up. Should be no harm.", c)
+                    splitCats["not-split"].append(c)
+                else:
+                    splitCats[pre].append(post)
+
+            for sc in splitCats:
+                if sc == "not-split":
+                    it = None # append not splitted stuff to root
+                else:
+                    it = store.append(None, [sc])
+                for cat in splitCats[sc]:
+                    store.append(it, [cat])
+        
+        # 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 = None, 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 store is None:
+            store = self.pkgList.get_model()
+        store.clear()
+
+        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 build_version_list (self):
+        store = gtk.ListStore(gtk.gdk.Pixbuf, str, str)
+
+        # build view
+        self.versionList.set_model(store)
+        
+        col = gtk.TreeViewColumn(_("Versions"))
+        col.set_property("expand", True)
+        
+        self.slotcol = gtk.TreeViewColumn(_("Slot"))
+        self.slotcol.set_property("expand", True)
+
+        # 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)
+
+        # adding the slot
+        cell = gtk.CellRendererText()
+        self.slotcol.pack_start(cell, True)
+        self.slotcol.add_attribute(cell, "text", 2)
+
+        self.versionList.append_column(col)
+        self.versionList.append_column(self.slotcol)
+
+        self.versionList.get_selection().connect("changed", self.cb_vers_list_selection)
+
+    def fill_version_list (self, cp, version = None):
+        
+        store = self.versionList.get_model()
+        store.clear()
+
+        # this is here for performance reasons
+        # to not query the package with info, we do not need
+        if self.cfg.get_boolean("showSlots", "GUI"):
+            def get_slot(pkg):
+                return pkg.get_package_settings("SLOT")
+            
+            self.slotcol.set_visible(True)
+        
+        else:
+            def get_slot(*args):
+                return ""
+            
+            self.slotcol.set_visible(False)
+
+        packages = system.sort_package_list(system.find_packages(cp, masked=True))
+        
+        # append versions
+        for vers, inst, slot in ((x.get_version(), x.is_installed(), get_slot(x)) for x in packages):
+            if inst:
+                icon = self.instPixbuf
+            else:
+                icon = None
+                
+            store.append([icon, vers, slot])
+
+        pos = ((0,)) # default
+        
+        # activate the first one
+        try:
+            best_version = ""
+            if version:
+                best_version = version
+            else:
+                best_version = system.find_best_match(packages[0].get_cp()).get_version()
+            for i, p in enumerate(packages):
+                if p.get_version() == best_version:
+                    pos = (i,)
+                    break
+        except AttributeError: # no package found
+            pass
+
+        self.versionList.get_selection().select_path(pos)
+        self.versionList.scroll_to_cell(pos)
+
+    def refresh_stores (self):
+        """
+        Refreshes the category and package stores.
+        """
+        self.fill_cat_store()
+
+        if self.selCatName:
+            self.fill_pkg_store(name = self.selCatName)
+        else: # 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 = (0,1)
+
+        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
+                            break
+
+                    if self.cfg.get_boolean("collapseCats", "GUI") and \
+                            pos == "0" and isinstance(list.get_model(), gtk.TreeStore): # try the new split up
+
+                        try:
+                            pre, post = name.split("-", 1)
+                        except ValueError: # nothing to split
+                            pass
+                        else:
+                            for row in list.get_model():
+                                if row[col] == pre: # found first part
+                                    pos = row.path
+                                    list.expand_row(pos, False)
+                                    for cname, path in ((x[col], x.path) for x in row.iterchildren()):
+                                        if cname == post: # found second
+                                            pos = ":".join(map(str,path))
+                                            break
+                                    break
+                
+                debug("Selecting path '%s'.", pos)
+                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 ():
+                if p.status == p.STAT_HARD_DISABLED:
+                    return ""
+
+                return int(p.status >= p.STAT_ENABLED)
+            
+            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)
+
+        def _add (value):
+            if len(value) == 4:
+                self.session.add_handler(value[:3], default = value[3])
+            else:
+                self.session.add_handler(value)
+
+        # set the simple ones :)
+        map(_add,[
+            ([("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, ["app-portage"]),
+            ([("pkgsel", "window")], load_selection(self.pkgList, 1), save_pkg_selection, ["portato"])
+            #([("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 = cp, version = version, queue = self.queue)
+
+    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 or not self.cfg.get_boolean("updateConsole", "GUI"): 
+                title = _("Console")
+            else: 
+                title = ("%s (%s)") % (_("Console"), title)
+            
+            tlength = int(self.cfg.get("titlelength", "GUI"))
+            if (len(title) > tlength): title = "%s..." % title[:tlength-3]
+            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:
+            if not self.cfg.get_boolean("collapseCats", "GUI"):
+                self.selCatName = store.get_value(it, 0)
+            else:
+                parent = store.iter_parent(it)
+                if parent is None:
+                    if store.iter_has_child(it): # this is a split up selector -> do nothing
+                        return True
+                    else:
+                        self.selCatName = store.get_value(it, 0) # this is a non-split up top
+                else:
+                    self.selCatName = ("%s-%s" % (store.get_value(parent, 0), store.get_value(it, 0)))
+
+            self.fill_pkg_store(name = self.selCatName)
+        return True
+
+    def cb_pkg_list_selection (self, selection):
+        """
+        Callback for a package-list selection.
+        Updates the version list.
+        """
+        store, it = selection.get_selected()
+        if it:
+            self.selCP = "%s/%s" % (store.get_value(it, 2), store.get_value(it, 1))
+            self.fill_version_list(self.selCP)
+        return True
+
+    def cb_pkg_list_header_clicked(self, col):
+        self.sortPkgListByName = not self.sortPkgListByName
+        self.fill_pkg_store(name = self.selCatName)
+        return True
+
+    def cb_vers_list_selection (self, selection):
+        """
+        Callback for a package-list selection.
+        Updates the version list.
+        """
+        store, it = selection.get_selected()
+        if it:
+            self.selCPV = "%s-%s" % (self.selCP, store.get_value(it, 1))
+            self.show_package(cpv = self.selCPV, queue = self.queue)
+        
+        return True
+
+    def cb_queue_list_selection (self, selection):
+
+        def set_val (val):
+            self.queueOneshot.handler_block(self.queueOneshotHandler)
+            self.queueOneshot.set_active(val)
+            self.queueOneshot.handler_unblock(self.queueOneshotHandler)
+
+        store, it = selection.get_selected()
+        if it:
+            parent = self.queueTree.parent_iter(it)
+            if self.queueTree.is_in_emerge(it) and parent and not self.queueTree.iter_has_parent(parent):
+                package = store.get_value(it, 0)
+                self.queueOneshot.set_sensitive(True)
+                set_val(package in self.queue.oneshotmerge)
+                return True
+
+        self.queueOneshot.set_sensitive(False)
+        set_val(False)
+        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())
+
+                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(cpv = package, queue = self.queue, 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_packages(pkg.get_slot_cp(), system.SET_INSTALLED)
+            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:
+            if not self.session.get_boolean("useflags", "dialogs"):
+                self.session.set("useflags", changed_flags_dialog(_("use flags"))[1], "dialogs")
+            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)
+            if not self.session.get_boolean("keywords", "dialogs"):
+                self.session.set("keywords", changed_flags_dialog(_("masking keywords"))[1], "dialogs")
+            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(sets = self.updateSets, 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:
+                if system.has_set_support():
+                    confsets = [x.strip() for x in self.cfg.get("updatesets").split(",")]
+                    self.updateSets = [s for s in confsets if s in system.get_sets()]
+                    updating = system.update_world(sets = self.updateSets, newuse = self.cfg.get_boolean("newuse"), deep = self.cfg.get_boolean("deep"))
+                else:
+                    updating = system.update_world(newuse = self.cfg.get_boolean("newuse"), deep = self.cfg.get_boolean("deep"))
+                    self.updateSets = ("world",)
+                
+                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_packages(text, with_version = 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, self.fill_cat_store)
+        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 = list(queue.get_plugins())
+
+        PluginWindow(self.window, plugins, self.queue)
+        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.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:
+            if self.queueTree.is_in_emerge(it) and self.queueTree.iter_has_parent(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()
+                #self.tray.set_from_file(APP_ICON)
+            else:
+                self.queue.stop_emerge()
+                #self.tray.set_from_file(os.path.join(ICON_DIR, "pausing.png"))
+
+            # 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
+        plugin.hook("main")(gtk.main)()