triger menu update when kernel started

	bind the update action to shell_channel's first_response event.
	add a list of magic that don't like beeing called alone ( like
	%more , %pycat , ...Etc) and append '?' in the menu to the end
	to show docsctring when clicked
	This list should be completed in :
		IPython/frontend/qt/console/mainwindow.py

IPython/frontend/qt/console/mainwindow.py

@@ -547,15 +547,23 b' class MainWindow(QtGui.QMainWindow):'
     def update_all_magic_menu(self):
         # first define a callback which will get the list of all magic and put it in the menu.
         def populate_all_magic_menu(val=None):
-            alm_magic_menu = self.magic_menu.addMenu("&All Magics...")
+            alm_magic_menu = self.all_magic_menu
+            alm_magic_menu.clear()
             def make_dynamic_magic(i):
                     def inner_dynamic_magic():
                         self.active_frontend.execute(i)
                     inner_dynamic_magic.__name__ = "dynamics_magic_s"
                     return inner_dynamic_magic
 
+            # list of protected magic that don't like to be called without argument
+            # append '?' to the end to print the docstring when called from the menu
+            protected_magic= ["more","less","load_ext","pycat"]
+
             for magic in eval(val):
-                pmagic = '%s%s'%('%',magic)
+                if magic in protected_magic:
+                    pmagic = '%s%s%s'%('%',magic,'?')
+                else:
+                    pmagic = '%s%s'%('%',magic)
                 xaction = QtGui.QAction(pmagic,
                     self,
                     triggered=make_dynamic_magic(pmagic)
@@ -566,12 +574,13 b' class MainWindow(QtGui.QMainWindow):'
     def init_magic_menu(self):
         self.magic_menu = self.menuBar().addMenu("&Magic")
         self.all_magic_menu = self.magic_menu.addMenu("&All Magics")
-        
-        self.pop = QtGui.QAction("&Populate All Magic Menu",
+
+        # this action should not appear as it will be cleard when menu
+        # will be updated at first kernel response.
+        self.pop = QtGui.QAction("&Update All Magic Menu ",
             self,
-            statusTip="Clear all varible from workspace",
             triggered=self.update_all_magic_menu)
-        self.add_menu_action(self.magic_menu, self.pop)
+        self.add_menu_action(self.all_magic_menu, self.pop)
 
         self.reset_action = QtGui.QAction("&Reset",
             self,
@@ -609,33 +618,6 b' class MainWindow(QtGui.QMainWindow):'
             triggered=self.whos_magic_active_frontend)
         self.add_menu_action(self.magic_menu, self.whos_action)
         
-        # allmagics submenu:
-        
-        #for now this is just a copy and paste, but we should get this dynamically
-        magiclist=["%alias", "%autocall", "%automagic", "%bookmark", "%cd", "%clear",
-            "%colors", "%debug", "%dhist", "%dirs", "%doctest_mode", "%ed", "%edit", "%env", "%gui",
-            "%guiref", "%hist", "%history", "%install_default_config", "%install_profiles",
-            "%less", "%load_ext", "%loadpy", "%logoff", "%logon", "%logstart", "%logstate",
-            "%logstop", "%lsmagic", "%macro", "%magic", "%man", "%more", "%notebook", "%page",
-            "%pastebin", "%pdb", "%pdef", "%pdoc", "%pfile", "%pinfo", "%pinfo2", "%popd", "%pprint",
-            "%precision", "%profile", "%prun", "%psearch", "%psource", "%pushd", "%pwd", "%pycat",
-            "%pylab", "%quickref", "%recall", "%rehashx", "%reload_ext", "%rep", "%rerun",
-            "%reset", "%reset_selective", "%run", "%save", "%sc", "%sx", "%tb", "%time", "%timeit",
-            "%unalias", "%unload_ext", "%who", "%who_ls", "%whos", "%xdel", "%xmode"]
-
-        def make_dynamic_magic(i):
-                def inner_dynamic_magic():
-                    self.active_frontend.execute(i)
-                inner_dynamic_magic.__name__ = "dynamics_magic_%s" % i
-                return inner_dynamic_magic
-
-        for magic in magiclist:
-            xaction = QtGui.QAction(magic,
-                self,
-                triggered=make_dynamic_magic(magic)
-                )
-            self.all_magic_menu.addAction(xaction)
-    
     def init_window_menu(self):
         self.window_menu = self.menuBar().addMenu("&Window")
         if sys.platform == 'darwin':

IPython/frontend/qt/console/qtconsoleapp.py

@@ -451,6 +451,10 b' class IPythonQtConsoleApp(BaseIPythonApplication):'
         self.window.log = self.log
         self.window.add_tab_with_frontend(self.widget)
         self.window.init_menu_bar()
+
+        #we need to populate the 'Magic Menu' once the kernel has answer at least once
+        self.kernel_manager.shell_channel.first_reply.connect(self.window.pop.trigger)
+
         self.window.setWindowTitle('Python' if self.pure else 'IPython')
 
     def init_colors(self):