diff options
Diffstat (limited to 'grc/gui/FlowGraph.py')
| -rw-r--r-- | grc/gui/FlowGraph.py | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/grc/gui/FlowGraph.py b/grc/gui/FlowGraph.py index b27f0153db..6d712e520a 100644 --- a/grc/gui/FlowGraph.py +++ b/grc/gui/FlowGraph.py @@ -21,10 +21,11 @@ import random import functools from itertools import chain from operator import methodcaller +from distutils.spawn import find_executable import gobject -from . import Actions, Colors, Utils, Messages, Bars +from . import Actions, Colors, Constants, Utils, Messages, Bars, Dialogs from . Element import Element from . Constants import SCROLL_PROXIMITY_SENSITIVITY, SCROLL_DISTANCE from . external_editor import ExternalEditor @@ -67,14 +68,27 @@ class FlowGraph(Element): if target in self._external_updaters: editor = self._external_updaters[target] else: + editor = (find_executable(Constants.EDITOR) or + Dialogs.ChooseEditorDialog()) + if not editor: + return updater = functools.partial( self.handle_external_editor_change, target=target) editor = self._external_updaters[target] = ExternalEditor( + editor=editor, name=target[0], value=param.get_value(), callback=functools.partial(gobject.idle_add, updater) ) editor.start() - editor.open_editor() + try: + editor.open_editor() + except Exception as e: + # Problem launching the editor. Need to select a new editor. + Messages.send('>>> Error opening an external editor. Please select a different editor.\n') + # Reset the editor to force the user to select a new one. + Constants.prefs.set_string('grc', 'editor', '') + Constants.prefs.save() + Constants.EDITOR = "" def handle_external_editor_change(self, new_value, target): try: |