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make undo and redo actions insensitive when appropriate.

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This obviously affects menu items and other proxies for these actions
This commit is contained in:
Paul Davis 2015-02-18 19:27:17 -05:00
parent e8ace9be2b
commit 4b9baae18f
1 changed files with 4 additions and 0 deletions
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4
gtk2_ardour/editor.cc
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@ -3338,8 +3338,10 @@ Editor::history_changed ()
if (undo_action && _session) {
if (_session->undo_depth() == 0) {
label = S_("Command|Undo");
undo_action->set_sensitive (false);
} else {
label = string_compose(S_("Command|Undo (%1)"), _session->next_undo());
undo_action->set_sensitive (true);
}
undo_action->property_label() = label;
}
@ -3347,8 +3349,10 @@ Editor::history_changed ()
if (redo_action && _session) {
if (_session->redo_depth() == 0) {
label = _("Redo");
redo_action->set_sensitive (false);
} else {
label = string_compose(_("Redo (%1)"), _session->next_redo());
redo_action->set_sensitive (true);
}
redo_action->property_label() = label;
}