Reorganisation of the gui-part :) (again ;P)

1 files changed, 626 insertions, 0 deletions

diff --git a/geneticone/gui/windows.py b/geneticone/gui/windows.py
new file mode 100644
index 0000000..02613db
--- /dev/null
+++ b/geneticone/gui/windows.py
@@ -0,0 +1,626 @@
+#
+# File: geneticone/gui/windows.py
+# This file is part of the Genetic/One-Project, a graphical portage-frontend.
+#
+# Copyright (C) 2006 Necoro d.M.
+# This is free software.  You may redistribute copies of it under the terms of
+# the GNU General Public License version 2.
+# There is NO WARRANTY, to the extent permitted by law.
+#
+# Written by Necoro d.M. <necoro@necoro.net>
+
+# our backend stuff
+
+VERSION = "0.3.1"
+MENU_EMERGE = 1
+MENU_UNEMERGE = 2
+
+# gtk stuff
+import pygtk
+pygtk.require("2.0")
+import gtk
+import gobject
+
+import geneticone
+from geneticone import flags
+from gui_helper import *
+
+# for the terminal
+import pty
+import vte
+
+# other
+from portage_util import unique_array
+
+class AboutWindow:
+
+	def __init__ (self, parent):
+		# window
+		self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
+		self.window.set_title("About Genetic/One")
+		self.window.set_modal(True)
+		self.window.set_transient_for(parent)
+		self.window.set_destroy_with_parent(True)
+		self.window.set_resizable(False)
+		self.window.set_default_size(1,1)
+
+		box = gtk.VBox(False)
+		self.window.add(box)
+		
+		label = gtk.Label()
+		label.set_justify(gtk.JUSTIFY_CENTER)
+		label.set_markup("""
+<big><b>Genetic/One v.%s</b></big>
+A Portage-GUI
+		
+This software is licensed under the terms of the GPLv2.
+Copyright (C) 2006 Necoro d.M. &lt;necoro@necoro.net&gt;
+""" % VERSION)
+		box.pack_start(label)
+
+		okBtn = gtk.Button("OK")
+		okBtn.connect("clicked", lambda x: self.window.destroy())
+		box.pack_start(okBtn)
+
+		self.window.show_all()
+
+class PackageWindow:
+	"""A window with data about a specfic package."""
+
+	def __init__ (self, parent, cp, queue = None, version = None, delOnClose = True, doEmerge = True):
+		"""Build up window contents."""
+		self.parent = parent # parent window
+		self.cp = cp # category/package
+		self.version = version # version - if not None this is used
+		self.queue = queue
+		self.delOnClose = delOnClose
+		self.doEmerge = doEmerge
+		self.flagChanged = False
+
+		# window
+		self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
+		self.window.set_title(cp)
+		self.window.set_modal(True)
+		self.window.set_transient_for(parent)
+		self.window.set_destroy_with_parent(True)
+		self.window.set_resizable(False)
+		self.window.set_default_size(1,1) # as small as possible
+		self.window.connect("delete-event", lambda a,b: False)
+		#self.window.connect("configure-event", self.cbSizeCheck)
+		
+		# packages and installed packages
+		self.packages = geneticone.sort_package_list(geneticone.find_packages(cp, masked=True))
+		self.instPackages = geneticone.sort_package_list(geneticone.find_installed_packages(cp, masked=True))
+
+		# main structure - the table
+		self.table = gtk.Table(rows=4,columns=2)
+		self.window.add(self.table)
+
+		# version-combo-box
+		self.vCombo = self.build_vers_combo()
+		self.table.attach(self.vCombo, 0, 1, 1, 2, yoptions = gtk.FILL)
+
+		# the label (must be here, because it depends on the combo box)
+		desc = self.actual_package().get_env_var("DESCRIPTION")
+		use_markup = True
+		if not desc: 
+			desc = "<no description>"
+			use_markup = False
+		else:
+			desc = "<b>"+desc+"</b>"
+		self.descLabel = gtk.Label(desc)
+		self.descLabel.set_line_wrap(True)
+		self.descLabel.set_justify(gtk.JUSTIFY_CENTER)
+		self.descLabel.set_use_markup(use_markup)
+		self.table.attach(self.descLabel, 0, 2, 0, 1, xoptions = gtk.FILL, ypadding = 10)
+
+		# the check boxes
+		checkHB = gtk.HBox (True, 1)
+		self.table.attach(checkHB, 1, 2, 1, 2, yoptions = gtk.FILL)
+
+		self.installedCheck = gtk.CheckButton()
+		self.installedCheck.connect("button-press-event", self.cb_button_pressed)
+		self.installedCheck.set_label("Installed")		
+		checkHB.pack_start(self.installedCheck, True, False)
+
+		self.maskedCheck = gtk.CheckButton()
+		self.maskedCheck.connect("button-press-event", self.cb_button_pressed)
+		self.maskedCheck.set_label("Masked")		
+		checkHB.pack_start(self.maskedCheck, True, False)
+
+		self.testingCheck = gtk.CheckButton()
+		self.testingCheck.connect("button-press-event", self.cb_button_pressed)
+		self.testingCheck.set_label("Testing")
+		checkHB.pack_start(self.testingCheck, True, False)
+
+		# use list
+		self.useList = self.build_use_list()
+		self.useListScroll = gtk.ScrolledWindow()
+		self.useListScroll.add(self.useList)
+		self.useListScroll.set_policy(gtk.POLICY_NEVER, gtk.POLICY_NEVER) # XXX: make this work correctly
+		self.table.attach(self.useListScroll, 0, 2, 2, 3, ypadding = 10)
+		
+		# buttons
+		buttonHB = gtk.HButtonBox()
+		buttonHB.set_layout(gtk.BUTTONBOX_SPREAD)
+		self.table.attach(buttonHB, 0, 2, 3, 4)
+		
+		self.emergeBtn = gtk.Button("_Emerge")
+		self.unmergeBtn = gtk.Button("_Unmerge")
+		if not self.queue or not doEmerge: 
+			self.emergeBtn.set_sensitive(False)
+			self.unmergeBtn.set_sensitive(False)
+		self.cancelBtn = gtk.Button("_Cancel")
+		if not self.delOnClose:
+			self.cancelBtn.set_label("_Close")
+		self.cancelBtn.connect("clicked", self.cb_cancel_clicked)
+		self.emergeBtn.connect("clicked", self.cb_emerge_clicked)
+		self.unmergeBtn.connect("clicked", self.cb_unmerge_clicked)
+		buttonHB.pack_start(self.emergeBtn)
+		buttonHB.pack_start(self.unmergeBtn)
+		buttonHB.pack_start(self.cancelBtn)
+
+		# current status
+		self.cb_changed(self.vCombo)
+
+		# show
+		self.window.show_all()
+
+	def cb_changed (self, combo, data = None):
+		"""Callback for the changed ComboBox.
+		It then rebuilds the useList and the checkboxes."""
+		# remove old useList
+		self.useListScroll.remove(self.useList)
+		
+		# build new
+		self.useList = self.build_use_list()
+		self.useListScroll.add(self.useList)
+		self.update_checkboxes()
+
+		self.useListScroll.set_policy(gtk.POLICY_NEVER, gtk.POLICY_NEVER)
+
+		# set emerge-button-label
+		if not self.actual_package().is_installed():
+			self.emergeBtn.set_label("_Emerge")
+			self.unmergeBtn.set_sensitive(False)
+		else:
+			self.emergeBtn.set_label("R_emerge")
+			self.unmergeBtn.set_sensitive(True)
+		
+		# refresh - make window as small as possible
+		self.table.show_all()
+		self.window.resize(1,1)
+		return True
+
+	def build_vers_combo (self):
+		"""Creates the combo box with the different versions."""
+		combo = gtk.combo_box_new_text()
+
+		# append versions
+		for s in [x.get_version() for x in self.packages]:
+			combo.append_text(s)
+		
+		# activate the first one
+		try:
+			best_version = ""
+			if self.version:
+				best_version = self.version
+			else:
+				best_version = geneticone.find_best_match(self.packages[0].get_cp(), (self.instPackages != [])).get_version()
+			for i in range(len(self.packages)):
+				if self.packages[i].get_version() == best_version:
+					combo.set_active(i)
+					break
+		except AttributeError: # no package found
+			combo.set_active(0)
+
+		combo.connect("changed", self.cb_changed)
+		
+		return combo
+
+	def actual_package (self):
+		"""Returns the actual package (a geneticone.Package-object)."""
+		return self.packages[self.vCombo.get_active()]
+
+	def cb_button_pressed (self, b, event, data = None):
+		"""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_cancel_clicked (self, button, data = None):
+		if self.delOnClose: self.actual_package().remove_new_use_flags()
+		if self.flagChanged:
+			if self.queue:
+				self.queue.append(self.actual_package().get_cpv(), update = True)
+		self.window.destroy()
+		return True
+
+	def cb_emerge_clicked (self, button, data = None):
+		"""Adds the package to the EmergeQueue."""
+		if not geneticone.am_i_root():
+			errorMB = gtk.MessageDialog(self.window, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, "You cannot (un)merge without being root.")
+			errorMB.run()
+			errorMB.destroy()
+		else:
+			self.queue.append(self.actual_package().get_cpv(), False)
+			self.window.destroy()
+		return True
+
+	def cb_unmerge_clicked (self, button, data = None):
+		"""Adds the package to the UnmergeQueue."""
+		if not geneticone.am_i_root():
+			errorMB = gtk.MessageDialog(self.window, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, "You cannot (un)merge without being root.")
+			errorMB.run()
+			errorMB.destroy()
+		else:
+			self.queue.append(self.actual_package().get_cpv(), True)
+			self.window.destroy()
+		return True
+
+	def cb_use_flag_toggled (self, cell, path, store, data = None):
+		store[path][0] = not store[path][0]
+		prefix = ""
+		if not store[path][0]:
+			prefix = "-"
+		self.actual_package().set_use_flag(prefix+store[path][1])
+		self.flagChanged = True
+		return True
+
+	def update_checkboxes (self):
+		"""Updates the checkboxes."""
+		self.installedCheck.set_active(self.actual_package().is_installed())
+		self.maskedCheck.set_active(self.actual_package().is_masked())
+		self.testingCheck.set_active((self.actual_package().get_mask_status() % 3) == 1)
+
+	def build_use_list (self):
+		"""Builds the useList."""
+		store = gtk.ListStore(bool, str, str)
+
+		pkg = self.actual_package()
+		for use in pkg.get_all_use_flags():
+			if pkg.is_installed() and use in pkg.get_actual_use_flags(): # flags set during install
+				enabled = True
+			elif (not pkg.is_installed()) and use in pkg.get_settings("USE").split() and not flags.invert_use_flag(use) in pkg.get_new_use_flags(): # flags that would be set
+				enabled = True
+			elif use in pkg.get_new_use_flags():
+				enabled = True
+			else:
+				enabled = False
+			store.append([enabled, use, geneticone.get_use_desc(use, self.cp)])
+
+		# build view
+		view = gtk.TreeView(store)
+		cell = gtk.CellRendererText()
+		tCell = gtk.CellRendererToggle()
+		tCell.set_property("activatable", True)
+		tCell.connect("toggled", self.cb_use_flag_toggled, store)
+		view.append_column(gtk.TreeViewColumn("Enabled", tCell, active = 0))
+		view.append_column(gtk.TreeViewColumn("Flags", cell, text = 1))
+		view.append_column(gtk.TreeViewColumn("Description", cell, text = 2))
+
+		if store.iter_n_children(None) == 0:
+			view.set_child_visible(False)
+		else:
+			view.set_child_visible(True)
+		return view
+
+class SearchWindow:
+	"""A window showing the results of a search process."""
+	
+	def __init__ (self, parent, list, jump_to):
+		# window
+		self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
+		self.window.set_title("Search results")
+		self.window.set_modal(True)
+		self.window.set_transient_for(parent)
+		self.window.set_destroy_with_parent(True)
+		self.window.set_resizable(False)
+		self.window.set_default_size(1,1)
+		self.list = list
+		self.jump_to = jump_to
+
+		box = gtk.HBox(False)
+		self.window.add(box)
+
+		self.combo = gtk.combo_box_new_text()
+		for x in list:
+			self.combo.append_text(x)
+		self.combo.set_active(0)
+
+		box.pack_start(self.combo)
+
+		okBtn = gtk.Button("OK")
+		okBtn.connect("clicked", self.cb_ok_btn_clicked)
+		box.pack_start(okBtn)
+
+		self.window.show_all()
+
+	def cb_ok_btn_clicked (self, button, data = None):
+		self.window.destroy()
+		self.jump_to(self.list[self.combo.get_active()])
+
+class MainWindow:
+	"""Application main window."""
+	
+	def __init__ (self):
+		"""Build up window"""
+
+		# window
+		self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
+		self.window.set_title("Genetic/One")
+		self.window.connect("delete_event", self.cb_delete)
+		self.window.connect("destroy", self.cb_destroy)
+		self.window.set_border_width(2)
+		self.window.set_geometry_hints (self.window, min_width = 600, min_height = 800, max_height = gtk.gdk.screen_height(), max_width = gtk.gdk.screen_width())
+		self.window.set_resizable(True)
+
+		# main vb
+		vb = gtk.VBox(False, 1)
+		self.window.add(vb)
+
+		# menubar
+		menubar = self.create_main_menu()
+		vb.pack_start(menubar, False)
+		
+		# search
+		self.searchEntry = gtk.Entry()
+		self.searchBtn = gtk.Button("_Search")
+		self.searchBtn.connect("clicked", self.cb_search_clicked)
+		hbSearch = gtk.HBox(False, 5)
+		hbSearch.pack_start(self.searchEntry, True, True)
+		hbSearch.pack_start(self.searchBtn, False, False)
+		vb.pack_start(hbSearch, False, False, 5)
+
+		# VPaned holding the lists and the Terminal
+		vpaned = gtk.VPaned()
+		vpaned.set_position(400)
+		vb.pack_start(vpaned, True, True)
+
+		# a HB holding the lists
+		hb = gtk.HBox(True, 5)
+		hbFrame = gtk.Frame()
+		hbFrame.add(hb)
+		hbFrame.set_shadow_type(gtk.SHADOW_IN)
+		vpaned.pack1(hbFrame, shrink = True, resize = True)
+		
+		self.scroll_1 = gtk.ScrolledWindow()
+		self.scroll_2 = gtk.ScrolledWindow()
+		self.scroll_1.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
+		self.scroll_2.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
+		hb.pack_start(self.scroll_1, True, True)
+		hb.pack_start(self.scroll_2, True, True)
+		
+		# create cat List
+		self.catList = self.create_cat_list()
+		self.scroll_1.add(self.catList)
+		
+		# create pkg list
+		self.pkgList = self.create_pkg_list()
+		self.scroll_2.add(self.pkgList)
+		# queue list
+		queueVB = gtk.VBox(False, 0)
+		hb.pack_start(queueVB, True, True)
+		
+		queueScroll = gtk.ScrolledWindow()
+		queueScroll.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
+		emergeStore = gtk.TreeStore(str)
+		self.emergeView = gtk.TreeView(emergeStore)
+		cell = gtk.CellRendererText()
+		col = gtk.TreeViewColumn("Queue", cell, text = 0)
+		self.emergeView.append_column(col)
+		self.emergeView.connect("row-activated", self.cb_row_activated, emergeStore)
+		queueScroll.add(self.emergeView)
+		queueVB.pack_start(queueScroll, True, True)
+
+		# buttons right unter the queue list
+		buttonBox = gtk.HButtonBox()
+		queueVB.pack_start(buttonBox, False)
+		self.emergeBtn = gtk.Button("_Emerge")
+		self.emergeBtn.connect("clicked", self.cb_emerge_clicked)
+		self.unmergeBtn = gtk.Button("_Unmerge")
+		self.unmergeBtn.connect("clicked", self.cb_emerge_clicked)
+		self.removeBtn = gtk.Button("_Remove")
+		self.removeBtn.connect("clicked", self.cb_remove_clicked)
+		buttonBox.pack_start(self.emergeBtn)
+		buttonBox.pack_start(self.removeBtn)
+		buttonBox.pack_start(self.unmergeBtn)
+		
+		# the terminal
+		term = vte.Terminal()
+		term.set_scrollback_lines(1024)
+		term.set_scroll_on_output(True)
+		# XXX why is this not working with the colors
+		term.set_color_background(gtk.gdk.color_parse("white"))
+		term.set_color_foreground(gtk.gdk.color_parse("black"))
+		termBox = gtk.HBox(False, 0)
+		termScroll = gtk.VScrollbar(term.get_adjustment())
+		termBox.pack_start(term, True, True)
+		termBox.pack_start(termScroll, False)
+		
+		termFrame = gtk.Frame("Console")
+		termFrame.set_shadow_type(gtk.SHADOW_IN)
+		termFrame.add(termBox)
+		vpaned.pack2(termFrame, shrink = True, resize = True)
+
+		# the status line
+		self.statusLabel = gtk.Label("Genetic/One - <Statusline>")
+		self.statusLabel.set_alignment(0.0,0.7)
+		self.statusLabel.set_single_line_mode(True)
+		vb.pack_start(self.statusLabel, False, False)
+
+		# show
+		self.window.show_all()
+
+		# set emerge queue
+		self.queue = EmergeQueue(console=term, tree = emergeStore, packages = self.packages)
+
+	def cb_delete (self, widget, data = None):
+		"""Returns false -> window is deleted."""
+		return False
+
+	def cb_destroy (self, widget, data = None):
+		"""Calls main_quit()."""
+		gtk.main_quit()
+
+	def create_main_menu (self):
+		"""Creates the main menu. XXX: Rebuild to use UIManager"""
+		# the menu-list
+		mainMenuDesc = [
+				( "/_File", None, None, 0, "<Branch>"),
+				( "/File/_Close", None, self.cb_destroy, 0, ""),
+				( "/_Emerge", None, None, 0, "<Branch>"),
+				( "/Emerge/_Emerge", None, self.cb_emerge_clicked, MENU_EMERGE, ""),
+				( "/Emerge/_Unmerge", None, self.cb_emerge_clicked, MENU_UNEMERGE, ""),
+				( "/_?", None, None, 0, "<Branch>"),
+				( "/?/_About", None, lambda x,y: AboutWindow(self.window), 0, "")
+				]
+		self.itemFactory = gtk.ItemFactory(gtk.MenuBar, "<main>", None)
+		self.itemFactory.create_items(mainMenuDesc)
+		return self.itemFactory.get_widget("<main>")
+
+	def cb_cat_list_selection (self, view, data = None, force = False):
+		"""Callback for a category-list selection. Updates the package list with these packages in the category."""
+		if view == self.catList: # be sure it is the catList
+			# get the selected category
+			sel = view.get_selection()
+			store, it = sel.get_selected()
+			
+			if it:
+				# remove old one
+				self.scroll_2.remove(self.pkgList)
+				# create new package list
+				self.pkgList = self.create_pkg_list(store.get_value(it,0), force)
+				self.scroll_2.add(self.pkgList)
+				self.scroll_2.show_all()
+		return False
+
+	def cb_row_activated (self, view, path, col, store = None):
+		"""Callback for an activated row in the pkgList. Opens a package window."""
+		if view == self.pkgList:
+			package = store.get_value(store.get_iter(path), 0)
+			if package[-1] == '*': package = package[:-1]
+			PackageWindow(self.window, self.selCatName+"/"+package, self.queue)
+		elif view == self.emergeView:
+			if len(path) > 1:
+				package = store.get_value(store.get_iter(path), 0)
+				cat, name, vers, rev = geneticone.split_package_name(package)
+				if rev != "r0": vers = vers+"-"+rev
+				PackageWindow(self.window, cat+"/"+name, queue = self.queue, version = vers, delOnClose = False, doEmerge = False)
+		return True
+
+	def create_cat_list (self):
+		"""Creates the category list."""
+		store = gtk.ListStore(str)
+
+		# build categories
+		for p in geneticone.list_categories():
+			store.append([p])
+		# sort them alphabetically
+		store.set_sort_column_id(0, gtk.SORT_ASCENDING)
+
+		view = gtk.TreeView(store)
+		cell = gtk.CellRendererText()
+		col = gtk.TreeViewColumn("Categories", cell, text = 0)
+		view.append_column(col)
+		view.connect("cursor-changed", self.cb_cat_list_selection)
+		view.connect("row-activated", lambda v,p,c : self.cb_cat_list_selection(v))
+		view.set_search_column(0)
+
+		return view
+
+	packages = {} # directory category -> [packages]
+	def create_pkg_list (self, name = None, force = False):
+		"""Creates the package list. Gets the name of the category."""
+		self.selCatName = name # actual category
+		store = gtk.ListStore(str)
+
+		# calculate packages
+		if name:
+			if name not in self.packages and not force: # only calc packages if not already done
+				self.packages[name] = []
+				for p in unique_array([x.get_name() for x in geneticone.find_all_packages(name+"/")]):
+					if geneticone.find_installed_packages(name+"/"+p, masked=True) != []:
+						p += "*" # append a '*' if the package is installed
+					self.packages[name].append(p)
+
+			for p in self.packages[name]:
+				store.append([p])
+
+			# sort alphabetically
+			store.set_sort_column_id(0, gtk.SORT_ASCENDING)
+
+		# build view
+		pkgList = gtk.TreeView(store)
+		cell = gtk.CellRendererText()
+		col = gtk.TreeViewColumn("Packages", cell, text = 0)
+		pkgList.append_column(col)
+		pkgList.connect("row-activated", self.cb_row_activated, store)
+
+		return pkgList
+
+	def cb_remove_clicked (self, button, data = None):
+		"""Removes a selected item in the (un)emerge-queue if possible."""
+		selected = self.emergeView.get_selection()
+
+		if selected:
+			model, iter = selected.get_selected()
+
+			if not model.iter_parent(iter): # top-level
+				if model.iter_n_children(iter) > 0: # and has children which can be removed :)
+					askMB = gtk.MessageDialog(self.window, gtk.DIALOG_MODAL, gtk.MESSAGE_QUESTION, gtk.BUTTONS_YES_NO, "Do you really want to clear the whole queue?")
+					if askMB.run() == gtk.RESPONSE_YES :
+						self.queue.remove_children(iter)
+					askMB.destroy()
+			elif model.iter_parent(model.iter_parent(iter)): # this is in the 3rd level => dependency
+				infoMB = gtk.MessageDialog(self.window, gtk.DIALOG_MODAL, gtk.MESSAGE_INFO, gtk.BUTTONS_OK, "You cannot remove dependencies. :)")
+				infoMB.run()
+				infoMB.destroy()
+			else:
+				self.queue.remove(iter)
+		
+		return True
+
+	def cb_emerge_clicked (self, button, data = None):
+		"""Do emerge or unemerge."""
+		print button
+		if button == self.emergeBtn or button == MENU_EMERGE:
+			if len(flags.newUseFlags) > 0:
+				hintMB = gtk.MessageDialog(self.window, gtk.DIALOG_MODAL, gtk.MESSAGE_INFO, gtk.BUTTONS_OK,
+						"You have changed use flags. Genetic/One will write these changes into the appropriate files. Please backup them if you think it is necessairy.")
+				hintMB.run()
+				hintMB.destroy()
+				flags.write_use_flags()
+			self.queue.emerge(force=True)
+		elif button == self.unmergeBtn or button == MENU_UNEMERGE:
+			self.queue.unmerge(force=True)
+
+		return True
+
+	def cb_search_clicked (self, button, data = None):
+		"""Do a search."""
+		if self.searchEntry.get_text() != "":
+			packages = geneticone.find_all_packages(self.searchEntry.get_text())
+
+			if packages == []:
+				dialog = gtk.MessageDialog(None, gtk.DIALOG_MODAL, gtk.MESSAGE_INFO, gtk.BUTTONS_OK, "Package not found!")
+				dialog.run()
+				dialog.destroy()
+			else:
+				packages = unique_array([p.get_cp() for p in packages])
+				
+				if len(packages) == 1:
+					self.jump_to(packages[0])
+				else:
+					SearchWindow(self.window, packages, self.jump_to)
+
+	def jump_to (self, cp):
+		"""Is called when we want to jump to a specific package."""
+		PackageWindow(self.window, cp, self.queue)
+
+	def main (self):
+		"""Main."""
+		gobject.threads_init() 
+		# now subthreads can run normally, but are not allowed to touch the GUI. If threads should change sth there - use gobject.idle_add().
+		# for more informations on threading and gtk: http://www.async.com.br/faq/pygtk/index.py?req=show&file=faq20.006.htp
+		gtk.main()