Implement resetting an option to its default value

printrun/pronterface_widgets.py

@@ -152,8 +152,13 @@ class PronterOptionsDialog(wx.Dialog):
             grid.AddGrowableCol(1)
             grid.SetNonFlexibleGrowMode(wx.FLEX_GROWMODE_SPECIFIED)
             for setting in settings:
-                grid.Add(setting.get_label(grouppanel), 0, wx.ALIGN_CENTER_VERTICAL|wx.ALL|wx.ALIGN_RIGHT)
-                grid.Add(setting.get_widget(grouppanel), 1, wx.ALIGN_CENTER_VERTICAL|wx.ALL|wx.EXPAND)
+                label,widget = setting.get_label(grouppanel),setting.get_widget(grouppanel)
+                grid.Add(label, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALL|wx.ALIGN_RIGHT)
+                grid.Add(widget, 1, wx.ALIGN_CENTER_VERTICAL|wx.ALL|wx.EXPAND)
+                if hasattr(label,"set_default"):
+                    label.Bind(wx.EVT_MOUSE_EVENTS, label.set_default)
+                    if hasattr(widget,"Bind"):
+                        widget.Bind(wx.EVT_MOUSE_EVENTS, label.set_default)
             grouppanel.SetSizer(grid)
         sbox.Add(notebook, 1, wx.EXPAND)
         panel.SetSizer(sbox)

pronsole.py

@@ -68,10 +68,11 @@ def setting_add_tooltip(func):
                 sep = "\n\n"
         if self.default is not "":
             deftxt = _("Default: ")
+            resethelp = _("(Control-doubleclick to reset to default value)")
             if len(repr(self.default)) > 10:
-                deftxt += "\n    " + repr(self.default).strip("'")
+                deftxt += "\n    " + repr(self.default).strip("'") + "\n" + resethelp
             else:
-                deftxt += repr(self.default)
+                deftxt += repr(self.default) + "  " + resethelp
         helptxt += sep + deftxt
         if len(helptxt):
             widget.SetToolTipString(helptxt)
@@ -98,10 +99,18 @@ class Setting(object):
         raise NotImplementedError
     value = property(_get_value, _set_value)
 
+    def set_default(self, e):
+        import wx
+        if e.CmdDown() and e.ButtonDClick() and self.default is not "":
+            confirmation = wx.MessageDialog(None,_("Are you sure you want to reset the setting to the default value: {0!r} ?").format(self.default),_("Confirm set default"),wx.ICON_EXCLAMATION|wx.YES_NO|wx.NO_DEFAULT)
+            if confirmation.ShowModal() == wx.ID_YES:
+                self._set_value(self.default)
+
     @setting_add_tooltip
     def get_label(self, parent):
         import wx
         widget = wx.StaticText(parent, -1, self.label or self.name)
+        widget.set_default = self.set_default
         return widget
 
     @setting_add_tooltip