4 files changed, 21 insertions, 13 deletions
diff --git a/grc/gui/ActionHandler.py b/grc/gui/ActionHandler.py
index 6273178955..a2c48a7c52 100644
--- a/grc/gui/ActionHandler.py
+++ b/grc/gui/ActionHandler.py
@@ -58,9 +58,10 @@ class ActionHandler:
             platform: platform module
         """
         self.clipboard = None
+        self.dialog = None
         for action in Actions.get_all_actions(): action.connect('activate', self._handle_action)
         #setup the main window
-        self.platform = platform;
+        self.platform = platform
         self.main_window = MainWindow(platform, self._handle_action)
         self.main_window.connect('delete-event', self._quit)
         self.main_window.connect('key-press-event', self._handle_key_press)
@@ -425,10 +426,10 @@ class ActionHandler:
         elif action == Actions.BLOCK_PARAM_MODIFY:
             selected_block = self.get_flow_graph().get_selected_block()
             if selected_block:
-                dialog = PropsDialog(selected_block)
+                self.dialog = PropsDialog(selected_block)
                 response = gtk.RESPONSE_APPLY
                 while response == gtk.RESPONSE_APPLY:  # rerun the dialog if Apply was hit
-                    response = dialog.run()
+                    response = self.dialog.run()
                     if response in (gtk.RESPONSE_APPLY, gtk.RESPONSE_ACCEPT):
                         self.get_flow_graph().update()
                         self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
@@ -440,10 +441,13 @@ class ActionHandler:
                     if response == gtk.RESPONSE_APPLY:
                         # null action, that updates the main window
                         Actions.ELEMENT_SELECT()
-                dialog.destroy()
+                self.dialog.destroy()
+                self.dialog = None
         elif action == Actions.EXTERNAL_UPDATE:
             self.get_page().get_state_cache().save_new_state(self.get_flow_graph().export_data())
             self.get_flow_graph().update()
+            if self.dialog is not None:
+                self.dialog.update_gui(force=True)
             self.get_page().set_saved(False)
         ##################################################
         # View Parser Errors
diff --git a/grc/gui/Param.py b/grc/gui/Param.py
index 3588b81d8c..5f83689023 100644
--- a/grc/gui/Param.py
+++ b/grc/gui/Param.py
@@ -216,9 +216,9 @@ class PythonEditorParam(InputParam):
 
     def __init__(self, *args, **kwargs):
         InputParam.__init__(self, *args, **kwargs)
-        input = gtk.Button('Open in Editor')
-        input.connect('clicked', self.open_editor)
-        self.pack_start(input, True)
+        button = self._button = gtk.Button('Open in Editor')
+        button.connect('clicked', self.open_editor)
+        self.pack_start(button, True)
 
     def open_editor(self, widget=None):
         if not os.path.exists(Constants.EDITOR):
@@ -229,6 +229,10 @@ class PythonEditorParam(InputParam):
     def get_text(self):
         pass  # we never update the value from here
 
+    def set_color(self, color):
+        # self._button.modify_base(gtk.STATE_NORMAL, gtk.gdk.color_parse(color))
+        self._button.modify_text(gtk.STATE_NORMAL, Colors.PARAM_ENTRY_TEXT_COLOR)
+
     def _apply_change(self, *args):
         pass
 
diff --git a/grc/gui/PropsDialog.py b/grc/gui/PropsDialog.py
index abf242691f..f5a136e634 100644
--- a/grc/gui/PropsDialog.py
+++ b/grc/gui/PropsDialog.py
@@ -127,7 +127,7 @@ class PropsDialog(gtk.Dialog):
 
         # Connect events
         self.connect('key-press-event', self._handle_key_press)
-        self.connect('show', self._update_gui)
+        self.connect('show', self.update_gui)
         self.connect('response', self._handle_response)
         self.show_all()  # show all (performs initial gui update)
 
@@ -158,12 +158,12 @@ class PropsDialog(gtk.Dialog):
         # update for the block
         self._block.rewrite()
         self._block.validate()
-        self._update_gui()
+        self.update_gui()
 
     def _activate_apply(self, *args):
         self.set_response_sensitive(gtk.RESPONSE_APPLY, True)
 
-    def _update_gui(self, *args):
+    def update_gui(self, widget=None, force=False):
         """
         Repopulate the parameters boxes (if changed).
         Update all the input parameters.
@@ -173,7 +173,7 @@ class PropsDialog(gtk.Dialog):
         Hide the box if there are no docs.
         """
         # update the params box
-        if self._params_changed():
+        if force or self._params_changed():
             # hide params box before changing
             for tab, label, vbox in self._params_boxes:
                 vbox.hide_all()
diff --git a/grc/python/Block.py b/grc/python/Block.py
index accfd21913..f5f406449e 100644
--- a/grc/python/Block.py
+++ b/grc/python/Block.py
@@ -117,7 +117,7 @@ class Block(_Block, _GUIBlock):
         check_generate_mode('WX GUI', BLOCK_FLAG_NEED_WX_GUI, ('wx_gui',))
         check_generate_mode('QT GUI', BLOCK_FLAG_NEED_QT_GUI, ('qt_gui', 'hb_qt_gui'))
         if self._epy_reload_error:
-            self.add_error_message(str(self._epy_reload_error))
+            self.get_param('_source_code').add_error_message(str(self._epy_reload_error))
 
     def rewrite(self):
         """
@@ -245,7 +245,7 @@ class Block(_Block, _GUIBlock):
             blk_io = epy_block_io.extract(src)
 
         except Exception as e:
-            self._epy_reload_error = ValueError('Source code eval:\n' + str(e))
+            self._epy_reload_error = ValueError(str(e))
             try:  # load last working block io
                 blk_io = epy_block_io.BlockIO(*eval(param_blk.get_value()))
             except: