From a12f43fa46bc643e9c48fd638915da616191b995 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Tue, 24 Jun 2014 10:14:07 -0400
Subject: [PATCH] add a modal lock dialog for better testing (and someone might
 find it useful, too)

---
 gtk2_ardour/editor.cc     |  1 +
 gtk2_ardour/editor.h      |  1 +
 gtk2_ardour/editor_ops.cc | 11 +++++++++++
 3 files changed, 13 insertions(+)

diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index e0e11e3f49..7787b89ef5 100644
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -301,6 +301,7 @@ Editor::Editor ()
 	last_update_frame = 0;
         pre_press_cursor = 0;
 	_drags = new DragManager (this);
+	lock_dialog = 0;
 	current_mixer_strip = 0;
 	tempo_lines = 0;
 
diff --git a/gtk2_ardour/editor.h b/gtk2_ardour/editor.h
index 0c05b7c2f2..1356c16834 100644
--- a/gtk2_ardour/editor.h
+++ b/gtk2_ardour/editor.h
@@ -1358,6 +1358,7 @@ class Editor : public PublicEditor, public PBD::ScopedConnectionList, public ARD
 	void escape ();
 	void lock ();
 	void unlock ();
+	ArdourDialog* lock_dialog;
 
 	Gtk::Menu fade_context_menu;
 
diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index 0c36a4587d..71b80d7148 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -7121,11 +7121,22 @@ Editor::toggle_midi_input_active (bool flip_others)
 void
 Editor::lock ()
 {
+	if (!lock_dialog) {
+		lock_dialog = new ArdourDialog (string_compose (_("%1 is Locked"), PROGRAM_NAME), true);
+		Gtk::Button* b = manage (new Gtk::Button (_("Click me to unlock")));
+		b->signal_clicked().connect (sigc::mem_fun (*this, &Editor::unlock));
+		
+		lock_dialog->get_vbox()->pack_start (*b);
+		lock_dialog->get_vbox()->show_all ();
+	}
+	
 	ActionManager::disable_all_actions ();
+	lock_dialog->present ();
 }
 
 void
 Editor::unlock ()
 {
+	lock_dialog->hide ();
 	ActionManager::pop_action_state ();
 }