[Summary] Fixed bug #45537 "System Lock button is not active when locked from main menu item"

[Feature reviewed] MKolsharnyy
[Reviewed] YPozdnyakov

gtk2_ardour/ardour_ui.cc

@@ -2211,12 +2211,22 @@ ARDOUR_UI::on_lock_button_pressed () {
 }
 
 void
-ARDOUR_UI::lock_session () {
+ARDOUR_UI::on_lock_session ()
+{
     editor->get_waves_button ("lock_session_button").set_active (true);
-    session_lock_dialog->run ();
+}
+
+void
+ARDOUR_UI::on_unlock_session ()
+{
     editor->get_waves_button ("lock_session_button").set_active (false);
 }
 
+void
+ARDOUR_UI::lock_session () {
+    session_lock_dialog->run ();
+}
+
 bool
 ARDOUR_UI::screen_lock_is_allowed() const
 {

gtk2_ardour/ardour_ui.h

@@ -369,6 +369,8 @@ class ARDOUR_UI : public Gtkmm2ext::UI, public ARDOUR::SessionHandlePtr
     
     bool screen_lock_is_allowed() const;
     void on_lock_button_pressed ();
+    void on_lock_session ();
+    void on_unlock_session ();
     PBD::Signal0<void> lock_button_was_pressed;
     
     bool session_auto_save_is_allowed() const;

gtk2_ardour/session_lock_dialog.cc

@@ -31,6 +31,7 @@
 #include "session_lock_dialog.h"
 #include "i18n.h"
 #include "dbg_msg.h"
+#include "ardour_ui.h"
 
 using namespace std;
 using namespace Gtk;
@@ -61,6 +62,19 @@ SessionLockDialog::on_ok (WavesButton*)
 	response (Gtk::RESPONSE_OK);
 }
 
+void
+SessionLockDialog::on_show ()
+{
+    WavesDialog::on_show ();
+    ARDOUR_UI::instance()->on_lock_session ();
+}
+
+void
+SessionLockDialog::on_hide ()
+{
+    ARDOUR_UI::instance()->on_unlock_session ();
+    WavesDialog::on_hide ();
+}
 
 bool
 SessionLockDialog::on_key_press_event (GdkEventKey*)

gtk2_ardour/session_lock_dialog.h

@@ -51,6 +51,9 @@ class SessionLockDialog : public WavesDialog {
 	~SessionLockDialog ();
     bool on_key_press_event (GdkEventKey*);
     
+    void on_show ();
+    void on_hide ();
+
   private:
 	WavesButton& _ok_button;
 	void on_ok(WavesButton*);