Modified keystrokeEditor to allow undefined keystrokes

src/keystrokeEditor/constants.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
 actions = {
     "up": _(u"Go up in the current buffer"),
     "down": _(u"Go down in the current buffer"),
@@ -57,4 +56,6 @@ actions = {
     "audio": _(u"Try to play an audio file"),
     "update_buffer": _(u"Updates the buffer and retrieves possible lost items there."),
     "ocr_image": _(u"Extracts the text from a picture and displays the result in a dialog."),
+    "add_alias": _("Adds an alias to an user"),
 }
+ 

src/keystrokeEditor/keystrokeEditor.py

@@ -1,7 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import absolute_import
-from __future__ import unicode_literals
-from builtins import object
 import widgetUtils
 import config
 from . import wx_ui
@@ -18,6 +15,7 @@ class KeystrokeEditor(object):
         self.hold_map = self.map.copy()
         self.dialog.put_keystrokes(constants.actions, self.map)
         widgetUtils.connect_event(self.dialog.edit, widgetUtils.BUTTON_PRESSED, self.edit_keystroke)
+        widgetUtils.connect_event(self.dialog.undefine, widgetUtils.BUTTON_PRESSED, self.undefine_keystroke)
         widgetUtils.connect_event(self.dialog.execute, widgetUtils.BUTTON_PRESSED, self.execute_action)
         self.dialog.get_response()
 
@@ -33,6 +31,17 @@ class KeystrokeEditor(object):
                 self.map[action] = new_keystroke
                 self.dialog.put_keystrokes(constants.actions, self.map)
 
+    def undefine_keystroke(self, *args, **kwargs):
+        action = self.dialog.actions[self.dialog.get_action()]
+        keystroke = self.map.get(action)
+        if keystroke == None:
+            return
+        answer = self.dialog.undefine_keystroke_confirmation()
+        if answer == widgetUtils.YES:
+            self.map[action] = ""
+            self.changed = True
+            self.dialog.put_keystrokes(constants.actions, self.map)
+
     def set_keystroke(self, keystroke, dialog):
         for i in keystroke.split("+"):
             if hasattr(dialog, i):

src/keystrokeEditor/wx_ui.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
 import wx
 from multiplatform_widgets import widgets
 from wxUI.dialogs import baseDialog
@@ -18,6 +17,7 @@ class keystrokeEditorDialog(baseDialog.BaseWXDialog):
         firstSizer.Add(self.keys.list, 0, wx.ALL, 5)
         self.edit = wx.Button(panel, -1, _(u"Edit"))
         self.edit.SetDefault()
+        self.undefine = wx.Button(panel, -1, _("Undefine keystroke"))
         self.execute = wx.Button(panel, -1, _(u"Execute action"))
         close = wx.Button(panel, wx.ID_CANCEL, _(u"Close"))
         secondSizer = wx.BoxSizer(wx.HORIZONTAL)
@@ -37,13 +37,18 @@ class keystrokeEditorDialog(baseDialog.BaseWXDialog):
                 continue
             action = actions[i]
             self.actions.append(i)
-            keystroke = keystrokes[i]
+            keystroke = keystrokes.get(i)
+            if keystroke == "":
+                keystroke = _("Undefined")
             self.keys.insert_item(False, *[action, keystroke])
         self.keys.select_item(selection)
 
     def get_action(self):
         return self.keys.get_selected()
 
+    def undefine_keystroke_confirmation(self):
+        return wx.MessageDialog(self, _("Are you sure you want to undefine this keystroke?"), _("Undefine keystroke"), wx.YES_NO|wx.CANCEL|wx.ICON_QUESTION).ShowModal()
+
 class editKeystrokeDialog(baseDialog.BaseWXDialog):
     def __init__(self):
         super(editKeystrokeDialog, self).__init__(parent=None, id=-1, title=_(u"Editing keystroke"))