Correct small history bug. Add busy cursor.

IPython/frontend/linefrontendbase.py

@@ -87,8 +87,8 b' class LineFrontEndBase(FrontEndBase):'
 
 
     def is_complete(self, string):
-        if ( len(self.get_current_edit_buffer().split('\n'))>1 
-                        and not re.findall(r"\n[\t ]*$", string)):
+        if ( len(self.get_current_edit_buffer().split('\n'))>2 
+                        and not re.findall(r"\n[\t ]*\n[\t ]*$", string)):
             return False
         else:
             return FrontEndBase.is_complete(self, string)
@@ -103,7 +103,7 b' class LineFrontEndBase(FrontEndBase):'
         # Create a false result, in case there is an exception
         self.last_result = dict(number=self.prompt_number)
         try:
-            self.history.input_cache[-1] = raw_string
+            self.history.input_cache[-1] = raw_string.rstrip()
             result = self.shell.execute(python_string)
             self.last_result = result
             self.render_result(result)
@@ -121,8 +121,7 b' class LineFrontEndBase(FrontEndBase):'
         self.new_prompt(self.prompt % (self.last_result['number'] + 1))
         # Start a new empty history entry
         self._add_history(None, '')
-        # The result contains useful information that can be used
-        # elsewhere.
+        self.history_cursor = len(self.history.input_cache) - 1
 
 
     def _on_enter(self):
@@ -131,13 +130,12 b' class LineFrontEndBase(FrontEndBase):'
         """
         current_buffer = self.get_current_edit_buffer()
         cleaned_buffer = self.prefilter_input(current_buffer)
-        if self.is_complete(cleaned_buffer + '\n'):
-            # The '\n' is important in case prefiltering empties the
-            # line, to get a new prompt.
+        if self.is_complete(cleaned_buffer):
             self.execute(cleaned_buffer, raw_string=current_buffer)
         else:
-            if len(current_buffer.split('\n'))>1:
-                self.write(self._get_indent_string(current_buffer))
+            if len(current_buffer.split('\n'))>2:
+                # We need to clean the trailing '\n'
+                self.write(self._get_indent_string(current_buffer[:-1]))
             else:
                 self.write('\t')
 

IPython/frontend/wx/console_widget.py

@@ -99,7 +99,7 b' class ConsoleWidget(editwindow.EditWindow):'
     
     def __init__(self, parent, id=wx.ID_ANY, pos=wx.DefaultPosition, 
                         size=wx.DefaultSize, style=0, 
-                        autocomplete_mode='IPYTHON'):
+                        autocomplete_mode='STC'):
         """ Autocomplete_mode: Can be 'IPYTHON' or 'STC'
             'IPYTHON' show autocompletion the ipython way
             'STC" show it scintilla text control way
@@ -152,6 +152,10 b' class ConsoleWidget(editwindow.EditWindow):'
         self.SetTabWidth(4)
 
         self.EnsureCaretVisible()
+        # Tell autocompletion to choose automaticaly out of a single
+        # choice list
+        self.AutoCompSetChooseSingle(True)
+        self.AutoCompSetMaxHeight(10)
         
         self.SetMargins(3, 3) #text is moved away from border with 3px
         # Suppressing Scintilla margins
@@ -271,7 +275,7 b' class ConsoleWidget(editwindow.EditWindow):'
             self.StyleSetSpec(style[0], "bold,fore:%s" % style[1])
 
 
-    def writeCompletion(self, possibilities):
+    def write_completion(self, possibilities):
         if self.autocomplete_mode == 'IPYTHON':
             max_len = len(max(possibilities, key=len))
             max_symbol = ' '*max_len
@@ -304,6 +308,7 b' class ConsoleWidget(editwindow.EditWindow):'
             last_word = self.get_current_edit_buffer()
             for breaker in splitter:
                 last_word = last_word.split(breaker)[-1]
+            self.AutoCompSetMaxHeight(len(possibilities))
             self.AutoCompShow(len(last_word), " ".join(possibilities))
 
     
@@ -329,7 +334,7 b' class ConsoleWidget(editwindow.EditWindow):'
         # Intercept some specific keys.
         if event.KeyCode == ord('L') and event.ControlDown() :
             self.scroll_to_bottom()
-        if event.KeyCode == ord('K') and event.ControlDown() :
+        elif event.KeyCode == ord('K') and event.ControlDown() :
             self.replace_current_edit_buffer('')
         elif event.KeyCode == wx.WXK_PAGEUP and event.ShiftDown():
             self.ScrollPages(-1)

IPython/frontend/wx/wx_frontend.py

@@ -22,6 +22,7 b' __docformat__ = "restructuredtext en"'
 
 
 import wx
+import re
 from console_widget import ConsoleWidget
 
 from IPython.frontend.prefilterfrontend import PrefilterFrontEnd
@@ -49,6 +50,22 b' class IPythonWxController(PrefilterFrontEnd, ConsoleWidget):'
         # Capture Character keys
         self.Bind(wx.EVT_KEY_DOWN, self._on_key_down)
        
+
+    def do_completion(self):
+        line = self.get_current_edit_buffer()
+        completions = self.complete(line)
+        self.write_completion(completions)
+
+
+    def execute(self, *args, **kwargs):
+        self._cursor = wx.BusyCursor()
+        PrefilterFrontEnd.execute(self, *args, **kwargs)
+
+    
+    def after_execute(self):
+        PrefilterFrontEnd.after_execute(self)
+        del self._cursor
+
     #--------------------------------------------------------------------------
     # Private API
     #--------------------------------------------------------------------------
@@ -59,6 +76,9 b' class IPythonWxController(PrefilterFrontEnd, ConsoleWidget):'
             widget handle them, and put our logic afterward.
         """
         current_line_number = self.GetCurrentLine()
+        if self.AutoCompActive():
+            event.Skip()
+        else:
         # Up history
         if event.KeyCode == wx.WXK_UP and (
                 ( current_line_number == self.current_prompt_line and
@@ -79,6 +99,12 b' class IPythonWxController(PrefilterFrontEnd, ConsoleWidget):'
             new_buffer = self.get_history_next()
             if new_buffer is not None:
                 self.replace_current_edit_buffer(new_buffer)
+            elif event.KeyCode == ord('\t'):
+                last_line = self.get_current_edit_buffer().split('\n')[-1]
+                if not re.match(r'^\s*$', last_line):
+                    self.do_completion()
+                else:
+                    event.Skip()
         else:
             ConsoleWidget._on_key_down(self, event, skip=skip)