First qt draft

5 files changed, 791 insertions, 1 deletions

diff --git a/portato/backend/portage/system.py b/portato/backend/portage/system.py
index 3e0c539..c42ca46 100644
--- a/portato/backend/portage/system.py
+++ b/portato/backend/portage/system.py
@@ -373,7 +373,7 @@ class PortageSystem (SystemInterface):
 							self.local_use_descs[fields[0]][subfields[0]] = subfields[1]
 		
 		# start
-		desc = None
+		desc = ""
 		if flag in self.use_descs:
 			desc = self.use_descs[flag]
 		if package != None:
diff --git a/portato/gui/qt/__init__.py b/portato/gui/qt/__init__.py
new file mode 100644
index 0000000..c714757
--- /dev/null
+++ b/portato/gui/qt/__init__.py
@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+#
+# File: portato/gui/qt/__init__.py
+# This file is part of the Portato-Project, a graphical portage-frontend.
+#
+# Copyright (C) 2007 René 'Necoro' Neumann
+# This is free software.  You may redistribute copies of it under the terms of
+# the GNU General Public License version 2.
+# There is NO WARRANTY, to the extent permitted by law.
+#
+# Written by René 'Necoro' Neumann <necoro@necoro.net>
+
+from windows import MainWindow
+
+def run():
+	m = MainWindow()
+	m.main()
diff --git a/portato/gui/qt/ui/AboutDialog.ui b/portato/gui/qt/ui/AboutDialog.ui
new file mode 100644
index 0000000..e7cd4ff
--- /dev/null
+++ b/portato/gui/qt/ui/AboutDialog.ui
@@ -0,0 +1,85 @@
+<ui version="4.0" >
+ <class>Dialog</class>
+ <widget class="QDialog" name="Dialog" >
+  <property name="windowModality" >
+   <enum>Qt::ApplicationModal</enum>
+  </property>
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>369</width>
+    <height>279</height>
+   </rect>
+  </property>
+  <property name="windowTitle" >
+   <string>About Portato</string>
+  </property>
+  <layout class="QVBoxLayout" >
+   <property name="margin" >
+    <number>9</number>
+   </property>
+   <property name="spacing" >
+    <number>6</number>
+   </property>
+   <item>
+    <widget class="QLabel" name="label" >
+     <property name="text" >
+      <string>TextLabel</string>
+     </property>
+     <property name="alignment" >
+      <set>Qt::AlignCenter</set>
+     </property>
+     <property name="wordWrap" >
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <spacer>
+     <property name="orientation" >
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" >
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox" >
+     <property name="orientation" >
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons" >
+      <set>QDialogButtonBox::Ok</set>
+     </property>
+     <property name="centerButtons" >
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>Dialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>174</x>
+     <y>252</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>176</x>
+     <y>197</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/portato/gui/qt/ui/MainWindow.ui b/portato/gui/qt/ui/MainWindow.ui
new file mode 100644
index 0000000..c982485
--- /dev/null
+++ b/portato/gui/qt/ui/MainWindow.ui
@@ -0,0 +1,418 @@
+<ui version="4.0" >
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow" >
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>466</width>
+    <height>695</height>
+   </rect>
+  </property>
+  <property name="windowTitle" >
+   <string>Portato</string>
+  </property>
+  <property name="windowIcon" >
+   <iconset/>
+  </property>
+  <widget class="QWidget" name="centralwidget" >
+   <layout class="QVBoxLayout" >
+    <property name="margin" >
+     <number>9</number>
+    </property>
+    <property name="spacing" >
+     <number>6</number>
+    </property>
+    <item>
+     <layout class="QHBoxLayout" >
+      <property name="margin" >
+       <number>0</number>
+      </property>
+      <property name="spacing" >
+       <number>6</number>
+      </property>
+      <item>
+       <widget class="QLineEdit" name="searchEdit" />
+      </item>
+      <item>
+       <widget class="QPushButton" name="searchBtn" >
+        <property name="text" >
+         <string>&amp;Search</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
+    <item>
+     <widget class="QSplitter" name="splitter" >
+      <property name="orientation" >
+       <enum>Qt::Vertical</enum>
+      </property>
+      <widget class="QWidget" name="layoutWidget_2" >
+       <layout class="QHBoxLayout" >
+        <property name="margin" >
+         <number>0</number>
+        </property>
+        <property name="spacing" >
+         <number>6</number>
+        </property>
+        <item>
+         <widget class="QListView" name="catList" >
+          <property name="mouseTracking" >
+           <bool>false</bool>
+          </property>
+          <property name="frameShadow" >
+           <enum>QFrame::Sunken</enum>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QListView" name="pkgList" />
+        </item>
+       </layout>
+      </widget>
+      <widget class="QTabWidget" name="tabWidget" >
+       <property name="currentIndex" >
+        <number>1</number>
+       </property>
+       <widget class="QWidget" name="pkgTab" >
+        <attribute name="title" >
+         <string>Package</string>
+        </attribute>
+        <layout class="QVBoxLayout" >
+         <property name="margin" >
+          <number>9</number>
+         </property>
+         <property name="spacing" >
+          <number>6</number>
+         </property>
+         <item>
+          <widget class="QLabel" name="nameLabel" >
+           <property name="text" >
+            <string>TextLabel</string>
+           </property>
+           <property name="alignment" >
+            <set>Qt::AlignCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QLabel" name="descLabel" >
+           <property name="text" >
+            <string>TextLabel</string>
+           </property>
+           <property name="alignment" >
+            <set>Qt::AlignCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <layout class="QHBoxLayout" >
+           <property name="margin" >
+            <number>0</number>
+           </property>
+           <property name="spacing" >
+            <number>6</number>
+           </property>
+           <item>
+            <widget class="QComboBox" name="versCombo" >
+             <property name="sizePolicy" >
+              <sizepolicy>
+               <hsizetype>3</hsizetype>
+               <vsizetype>0</vsizetype>
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QLabel" name="missingLabel" >
+             <property name="sizePolicy" >
+              <sizepolicy>
+               <hsizetype>13</hsizetype>
+               <vsizetype>5</vsizetype>
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="text" >
+              <string>&lt;html>&lt;head>&lt;meta name="qrichtext" content="1" />&lt;style type="text/css">
+p, li { white-space: pre-wrap; }
+&lt;/style>&lt;/head>&lt;body style=" font-family:'Sans Serif'; font-size:9pt; font-weight:400; font-style:normal; text-decoration:none;">
+&lt;p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">&lt;span style=" font-weight:600; color:#ff0000;">MISSING KEYWORD&lt;/span>&lt;/p>&lt;/body>&lt;/html></string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QLabel" name="notInSysLabel" >
+             <property name="sizePolicy" >
+              <sizepolicy>
+               <hsizetype>13</hsizetype>
+               <vsizetype>5</vsizetype>
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="text" >
+              <string>&lt;b>Installed, but not in portage anymore&lt;/b></string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QCheckBox" name="installedCheck" >
+             <property name="sizePolicy" >
+              <sizepolicy>
+               <hsizetype>3</hsizetype>
+               <vsizetype>0</vsizetype>
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="text" >
+              <string>Installed</string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QCheckBox" name="testingCheck" >
+             <property name="enabled" >
+              <bool>true</bool>
+             </property>
+             <property name="sizePolicy" >
+              <sizepolicy>
+               <hsizetype>3</hsizetype>
+               <vsizetype>0</vsizetype>
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="text" >
+              <string>Testing</string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QCheckBox" name="maskedCheck" >
+             <property name="sizePolicy" >
+              <sizepolicy>
+               <hsizetype>3</hsizetype>
+               <vsizetype>0</vsizetype>
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="text" >
+              <string>Masked</string>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </item>
+         <item>
+          <widget class="QTreeWidget" name="useList" >
+           <property name="horizontalScrollBarPolicy" >
+            <enum>Qt::ScrollBarAsNeeded</enum>
+           </property>
+           <property name="rootIsDecorated" >
+            <bool>true</bool>
+           </property>
+           <property name="sortingEnabled" >
+            <bool>false</bool>
+           </property>
+           <property name="allColumnsShowFocus" >
+            <bool>false</bool>
+           </property>
+           <property name="columnCount" >
+            <number>3</number>
+           </property>
+           <column>
+            <property name="text" >
+             <string>1</string>
+            </property>
+           </column>
+           <column>
+            <property name="text" >
+             <string>1</string>
+            </property>
+           </column>
+           <column>
+            <property name="text" >
+             <string>2</string>
+            </property>
+           </column>
+          </widget>
+         </item>
+         <item>
+          <layout class="QHBoxLayout" >
+           <property name="margin" >
+            <number>0</number>
+           </property>
+           <property name="spacing" >
+            <number>6</number>
+           </property>
+           <item>
+            <widget class="QPushButton" name="pkgEmergeBtn" >
+             <property name="text" >
+              <string>&amp;Emerge</string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QPushButton" name="pkgUnmergeBtn" >
+             <property name="text" >
+              <string>&amp;Unmerge</string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QPushButton" name="pkgRevertBtn" >
+             <property name="text" >
+              <string>Re&amp;vert</string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QPushButton" name="pkgEbuildBtn" >
+             <property name="text" >
+              <string>E&amp;build</string>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </item>
+        </layout>
+       </widget>
+       <widget class="QWidget" name="queueTab" >
+        <attribute name="title" >
+         <string>Queue</string>
+        </attribute>
+        <layout class="QVBoxLayout" >
+         <property name="margin" >
+          <number>0</number>
+         </property>
+         <property name="spacing" >
+          <number>6</number>
+         </property>
+         <item>
+          <widget class="QTreeView" name="treeView" />
+         </item>
+         <item>
+          <layout class="QHBoxLayout" >
+           <property name="margin" >
+            <number>2</number>
+           </property>
+           <property name="spacing" >
+            <number>6</number>
+           </property>
+           <item>
+            <widget class="QPushButton" name="emergeBtn" >
+             <property name="sizePolicy" >
+              <sizepolicy>
+               <hsizetype>1</hsizetype>
+               <vsizetype>0</vsizetype>
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="text" >
+              <string>&amp;Emerge</string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QPushButton" name="unmergeBtn" >
+             <property name="text" >
+              <string>&amp;Unmerge</string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QPushButton" name="updateBtn" >
+             <property name="text" >
+              <string>Update &amp;World</string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QPushButton" name="removeBtn" >
+             <property name="text" >
+              <string>&amp;Remove</string>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </item>
+        </layout>
+       </widget>
+      </widget>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menubar" >
+   <property name="geometry" >
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>466</width>
+     <height>28</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menuFile" >
+    <property name="title" >
+     <string>&amp;File</string>
+    </property>
+    <addaction name="quitAction" />
+   </widget>
+   <widget class="QMenu" name="menuHelp" >
+    <property name="title" >
+     <string>&amp;?</string>
+    </property>
+    <addaction name="aboutAction" />
+   </widget>
+   <addaction name="menuFile" />
+   <addaction name="menuHelp" />
+  </widget>
+  <widget class="QStatusBar" name="statusbar" >
+   <property name="enabled" >
+    <bool>true</bool>
+   </property>
+   <property name="statusTip" >
+    <string/>
+   </property>
+  </widget>
+  <action name="quitAction" >
+   <property name="text" >
+    <string>&amp;Quit</string>
+   </property>
+   <property name="menuRole" >
+    <enum>QAction::TextHeuristicRole</enum>
+   </property>
+  </action>
+  <action name="aboutAction" >
+   <property name="text" >
+    <string>&amp;About</string>
+   </property>
+  </action>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>quitAction</sender>
+   <signal>triggered()</signal>
+   <receiver>MainWindow</receiver>
+   <slot>close()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>-1</x>
+     <y>-1</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>361</x>
+     <y>299</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/portato/gui/qt/windows.py b/portato/gui/qt/windows.py
new file mode 100644
index 0000000..475ac45
--- /dev/null
+++ b/portato/gui/qt/windows.py
@@ -0,0 +1,270 @@
+# -*- coding: utf-8 -*-
+#
+# File: portato/gui/qt/windows.py
+# This file is part of the Portato-Project, a graphical portage-frontend.
+#
+# Copyright (C) 2007 René 'Necoro' Neumann
+# This is free software.  You may redistribute copies of it under the terms of
+# the GNU General Public License version 2.
+# There is NO WARRANTY, to the extent permitted by law.
+#
+# Written by René 'Necoro' Neumann <necoro@necoro.net>
+
+from PyQt4 import QtGui, uic, QtCore
+import sip
+
+# our backend stuff
+from portato.helper import *
+from portato.constants import CONFIG_LOCATION, VERSION, DATA_DIR
+from portato.backend import flags, system
+from portato.backend.exceptions import *
+
+from portato.gui.gui_helper import Database, Config, EmergeQueue
+
+UI_DIR = DATA_DIR+"ui/"
+
+app = QtGui.QApplication([])
+
+def qCheck (check):
+	if check:
+		return QtCore.Qt.Checked
+	else:
+		return QtCore.Qt.Unchecked
+
+class WindowMeta (sip.wrappertype, type):
+
+	def __new__ (cls, name, bases, dict):
+		new_bases = uic.loadUiType(UI_DIR+name+".ui")
+		dict.update(_bases = new_bases)
+		dict.update(_qt_base = new_bases[1])
+		return super(WindowMeta, cls).__new__(cls, name, new_bases+bases, dict)
+
+	def __init__ (cls, name, bases, dict):
+		b = dict["_bases"]
+		del dict["_bases"]
+		super(WindowMeta, cls).__init__(name, b+bases, dict)
+
+class Window:
+
+	def __init__(self):
+		self._qt_base.__init__(self)
+		self.setupUi(self)
+
+class AboutDialog (Window):
+	__metaclass__ = WindowMeta
+
+	def __init__ (self):
+		Window.__init__(self)
+
+		self.label.setText("""
+<font size=5><b>Portato v.%s</b></font><br><br>
+A Portage-GUI<br>
+<br>		
+This software is licensed under the terms of the GPLv2.<br>
+Copyright (C) 2006-2007 Ren&eacute; 'Necoro' Neumann &lt;necoro@necoro.net&gt;<br>
+<br>
+<font size=1>Thanks to Fred for support and ideas :P</font>""" % VERSION)
+
+		self.adjustSize()
+
+class PackageDetails:
+
+	def __init__ (self, window):
+		self.window = window
+		self.window.pkgTab.setHidden(True)
+		self.window.tabWidget.removeTab(0)
+
+		QtCore.QObject.connect(self.window.versCombo, QtCore.SIGNAL("currentIndexChanged(int)"), self.cb_combo_changed)
+
+	def update (self, cp, version = None):
+		self.cp = cp
+		self.version = version
+		
+		# packages and installed packages
+		self.packages = system.sort_package_list(system.find_packages(cp, masked = True))
+		self.instPackages = system.sort_package_list(system.find_installed_packages(cp, masked = True))
+
+		# comboBox
+		self.set_combo()
+
+		# the labels
+		desc = self.actual_package().get_package_settings("DESCRIPTION").replace("&","&amp;")
+		
+		if not desc: 
+			desc = "<no description>"
+		else:
+			desc = "<b>%s</b>" % desc
+		
+		self.window.descLabel.setText(desc)
+		self.window.nameLabel.setText("<i><u>%s</i></u>" % self.actual_package().get_cp())
+		
+		# first update -> show
+		if self.window.pkgTab.isHidden():
+			self.window.tabWidget.insertTab(0, self.window.pkgTab, "Package")
+			self.window.pkgTab.setHidden(False)
+
+		self.window.tabWidget.setCurrentIndex(0)
+
+	def set_combo (self):
+		self.window.versCombo.clear()
+		self.window.versCombo.addItems([x.get_version() for x in self.packages])
+
+		try:
+			best_version = ""
+			if self.version:
+				best_version = self.version
+			else:
+				best_version = system.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:
+					self.window.versCombo.setCurrentIndex(i)
+		except AttributeError:
+			self.window.versCombo.setCurrentIndex(0)
+
+	def build_use_list (self):
+		self.window.useList.clear()
+		self.window.useList.setHeaderLabels(["Enabled","Flag","Description"])
+		
+		pkg = self.actual_package()
+		pkg_flags = pkg.get_all_use_flags()
+		pkg_flags.sort()
+		
+		actual_exp = None
+		actual_exp_it = self.window.useList
+		
+		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 = QtGui.QTreeWidgetItem(self.window.useList, ["", exp, ""])
+					actual_exp = exp
+			else:
+				actual_exp_it = self.window.useList
+				actual_exp = None
+
+			item = QtGui.QTreeWidgetItem(actual_exp_it, ["", use, system.get_use_desc(use, self.cp)])
+			item.setCheckState(0, qCheck(pkg.is_use_flag_enabled(use)))
+
+	def cb_combo_changed (self, combo):
+		"""Callback for the changed ComboBox.
+		It then rebuilds the useList and the checkboxes."""
+		
+		# build new
+		self.build_use_list()
+		pkg = self.actual_package()
+
+		shown = QtGui.QSizePolicy(QtGui.QSizePolicy.MinimumExpanding, QtGui.QSizePolicy.Fixed)
+		hidden = QtGui.QSizePolicy(QtGui.QSizePolicy.Ignored, QtGui.QSizePolicy.Fixed)
+		
+		#
+		# 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.window.missingLabel.setSizePolicy(hidden)
+				self.window.notInSysLabel.setSizePolicy(shown)
+			else: # missing keyword
+				self.window.missingLabel.setSizePolicy(shown)
+				self.window.notInSysLabel.setSizePolicy(hidden)
+			
+			self.window.installedCheck.setSizePolicy(hidden)
+			self.window.maskedCheck.setSizePolicy(hidden)
+			self.window.testingCheck.setSizePolicy(hidden)
+			#self.window.pkgEmergeBtn.setEnabled(False)
+		else: # normal package
+			self.window.missingLabel.setSizePolicy(hidden)
+			self.window.notInSysLabel.setSizePolicy(hidden)
+			self.window.installedCheck.setSizePolicy(shown)
+			self.window.maskedCheck.setSizePolicy(shown)
+			self.window.testingCheck.setSizePolicy(shown)
+			#if self.doEmerge:
+			#	self.emergeBtn.set_sensitive(True)
+			self.window.installedCheck.setCheckState(qCheck(pkg.is_installed()))
+			
+			if pkg.is_masked(use_changed = False) and not pkg.is_masked(use_changed = True):
+				self.window.maskedCheck.setText("(Masked)")
+			else:
+				self.window.maskedCheck.setText("Masked")
+			
+			self.window.maskedCheck.setCheckState(qCheck(pkg.is_masked(use_changed = False)))
+			
+			if pkg.is_testing(use_keywords = False) and not pkg.is_testing(use_keywords = True):
+				self.window.testingCheck.setText("(Testing)")
+			else:
+				self.window.testingCheck.setText("Testing")
+			
+			self.window.testingCheck.setCheckState(qCheck(pkg.is_testing(use_keywords = False)))
+
+#		if self.doEmerge:
+#			# set emerge-button-label
+#			if not self.actual_package().is_installed():
+#				self.emergeBtn.set_label("E_merge")
+#				self.unmergeBtn.set_sensitive(False)
+#			else:
+#				self.emergeBtn.set_label("Re_merge")
+#				self.unmergeBtn.set_sensitive(True)
+
+	def actual_package (self):
+		"""Returns the actual selected package.
+		
+		@returns: the actual selected package
+		@rtype: backend.Package"""
+		
+		return self.packages[self.window.versCombo.currentIndex()]
+		
+class MainWindow (Window):
+
+	__metaclass__ = WindowMeta
+	
+	def __init__ (self):
+		Window.__init__(self)
+
+		self.setWindowTitle(("Portato (%s)" % VERSION))
+		self.statusbar.showMessage("Portato - A Portage GUI")
+
+		self.pkgDetails = PackageDetails(self)
+		
+		# package db
+		self.db = Database()
+		self.db.populate()
+
+		self.build_pkg_list()
+		self.build_cat_list()
+		QtCore.QObject.connect(self.selCatListModel, QtCore.SIGNAL("currentChanged(QModelIndex, QModelIndex)"), self.cb_cat_list_selected)
+		QtCore.QObject.connect(self.selPkgListModel, QtCore.SIGNAL("currentChanged(QModelIndex, QModelIndex)"), self.cb_pkg_list_selected)
+
+		QtCore.QObject.connect(self.aboutAction, QtCore.SIGNAL("triggered()"), self.cb_about_triggered)
+		
+		self.show()
+
+	def cb_about_triggered (self):
+		AboutDialog().exec_()
+
+	def cb_cat_list_selected (self, index, prev):
+		self.selCatName = str(index.data().toString())
+		self.fill_pkg_list(self.selCatName)
+
+	def cb_pkg_list_selected (self, index, prev):
+		self.pkgDetails.update(self.selCatName+"/"+str(index.data().toString()))
+
+	def fill_pkg_list (self, cat):
+		self.pkgListModel.setStringList([name for (name,inst) in self.db.get_cat(cat)])
+
+	def build_pkg_list (self):
+		self.pkgListModel = QtGui.QStringListModel([])
+		self.pkgListModel.sort(0)
+		self.selPkgListModel = QtGui.QItemSelectionModel(self.pkgListModel)
+		self.pkgList.setModel(self.pkgListModel)
+		self.pkgList.setSelectionModel(self.selPkgListModel)
+
+	def build_cat_list (self):
+		self.catListModel = QtGui.QStringListModel(system.list_categories())
+		self.catListModel.sort(0)
+		self.selCatListModel = QtGui.QItemSelectionModel(self.catListModel)
+		self.catList.setModel(self.catListModel)
+		self.catList.setSelectionModel(self.selCatListModel)
+
+	def main (self):
+		app.exec_()
+