Make the wx frontend well-behaved under windows.

IPython/frontend/linefrontendbase.py

@@ -19,11 +19,9 b' import re'
 
 import IPython
 
-
 from frontendbase import FrontEndBase
 from IPython.kernel.core.interpreter import Interpreter
 
-
 def common_prefix(strings):
     ref = strings[0]
     prefix = ''
@@ -156,8 +154,9 b' class LineFrontEndBase(FrontEndBase):'
         if self.is_complete(cleaned_buffer):
             self.execute(cleaned_buffer, raw_string=current_buffer)
         else:
-            self.write(self._get_indent_string(current_buffer[:-1]))
-            if current_buffer.rstrip().endswith(':'):
+            self.write(self._get_indent_string(
+                            current_buffer[:-1]))
+            if current_buffer[:-1].split('\n')[-1].rstrip().endswith(':'):
                 self.write('\t')
 
 

IPython/frontend/wx/console_widget.py

@@ -23,15 +23,16 b' import wx'
 import wx.stc  as  stc
 
 from wx.py import editwindow
+import sys
+LINESEP = '\n'
+if sys.platform == 'win32':
+    LINESEP = '\n\r'
 
 import re
 
 # FIXME: Need to provide an API for non user-generated display on the
 # screen: this should not be editable by the user.
 
-if wx.Platform == '__WXMSW__':
-    _DEFAULT_SIZE = 80
-else:
     _DEFAULT_SIZE = 10
 
 _DEFAULT_STYLE = {
@@ -94,7 +95,6 b' class ConsoleWidget(editwindow.EditWindow):'
     # The color of the carret (call _apply_style() after setting)
     carret_color = 'BLACK'
     
-    
     #--------------------------------------------------------------------------
     # Public API
     #--------------------------------------------------------------------------
@@ -114,6 +114,8 b' class ConsoleWidget(editwindow.EditWindow):'
     
 
     def configure_scintilla(self):
+        self.SetEOLMode(stc.STC_EOL_LF)
+
         # Ctrl"+" or Ctrl "-" can be used to zoomin/zoomout the text inside 
         # the widget
         self.CmdKeyAssign(ord('+'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMIN)
@@ -206,6 +208,7 b' class ConsoleWidget(editwindow.EditWindow):'
         text = self.title_pat.sub('', text)
         segments = self.color_pat.split(text)
         segment = segments.pop(0)
+        self.GotoPos(self.GetLength())
         self.StartStyling(self.GetLength(), 0xFF)
         self.AppendText(segment)
         
@@ -250,8 +253,10 b' class ConsoleWidget(editwindow.EditWindow):'
     def get_current_edit_buffer(self):
         """ Returns the text in current edit buffer.
         """
-        return self.GetTextRange(self.current_prompt_pos,
+        current_edit_buffer = self.GetTextRange(self.current_prompt_pos,
                                  self.GetLength())
+        current_edit_buffer = current_edit_buffer.replace(LINESEP, '\n')
+        return current_edit_buffer
 
 
     #--------------------------------------------------------------------------
@@ -316,12 +321,6 b' class ConsoleWidget(editwindow.EditWindow):'
         self.ScrollLines(maxrange)
 
 
-    def _on_enter(self):
-        """ Called when the return key is hit.
-        """
-        pass
-
-
     def _on_key_down(self, event, skip=True):
         """ Key press callback used for correcting behavior for 
             console-like interfaces: the cursor is constraint to be after
@@ -354,6 +353,12 b' class ConsoleWidget(editwindow.EditWindow):'
                 catched = True
                 self.CallTipCancel()
                 self.write('\n')
+                # Under windows scintilla seems to be doing funny stuff to the 
+                # line returns here, but get_current_edit_buffer filters this 
+                # out.
+                if sys.platform == 'win32':
+                    self.replace_current_edit_buffer(
+                                self.get_current_edit_buffer())
                 self._on_enter()
 
             elif event.KeyCode == wx.WXK_HOME:
@@ -384,6 +389,10 b' class ConsoleWidget(editwindow.EditWindow):'
                 catched = True
 
             if skip and not catched:
+                # Put the cursor back in the edit region
+                if self.GetCurrentPos() < self.current_prompt_pos:
+                    self.GotoPos(self.current_prompt_pos)
+                else:
                 event.Skip()
 
         return catched

IPython/frontend/wx/wx_frontend.py

@@ -45,6 +45,8 b' class WxController(PrefilterFrontEnd, ConsoleWidget):'
     output_prompt = \
     '\x01\x1b[0;31m\x02Out[\x01\x1b[1;31m\x02%i\x01\x1b[0;31m\x02]: \x01\x1b[0m\x02'
   
+    debug = True
+  
     #--------------------------------------------------------------------------
     # Public API
     #--------------------------------------------------------------------------
@@ -68,7 +70,6 b' class WxController(PrefilterFrontEnd, ConsoleWidget):'
                                 background=_ERROR_BG)
 
 
-
     def do_completion(self):
         """ Do code completion. 
         """
@@ -240,6 +241,11 b' class WxController(PrefilterFrontEnd, ConsoleWidget):'
         else:
             ConsoleWidget._on_key_up(self, event, skip=skip)
 
+    def _on_enter(self):
+        if self.debug:
+            import sys
+            print >>sys.__stdout__, repr(self.get_current_edit_buffer())
+        PrefilterFrontEnd._on_enter(self)
 
     def _set_title(self, title):
             return self.Parent.SetTitle(title)