create and manage a new config parameter that defines where LTC originates (still some tweaks to be done here and there)

git-svn-id: svn://localhost/ardour2/branches/3.0@13280 d708f5d6-7413-0410-9779-e7cbd77b26cf

3 files changed, 86 insertions, 0 deletions

diff --git a/gtk2_ardour/option_editor.h b/gtk2_ardour/option_editor.h
index 3e64e4f125..6ea38648b0 100644
--- a/gtk2_ardour/option_editor.h
+++ b/gtk2_ardour/option_editor.h
@@ -285,6 +285,76 @@ private:
 };
 
 
+/** Component which provides the UI to handle an enumerated option using a GTK ComboBox.
+ *  The template parameter is the enumeration.
+ */
+class ComboStringOption : public Option
+{
+public:
+
+	/** Construct an ComboOption.
+	 *  @param i id
+	 *  @param n User-visible name.
+	 *  @param g Slot to get the variable's value.
+	 *  @param s Slot to set the variable's value.
+	 */
+	ComboStringOption (
+		std::string const & i,
+		std::string const & n,
+		sigc::slot<std::string> g,
+		sigc::slot<bool, std::string> s
+		)
+		: Option (i, n),
+		  _get (g),
+		  _set (s)
+	{
+		_label = manage (new Gtk::Label (n + ":"));
+		_label->set_alignment (0, 0.5);
+		_combo = manage (new Gtk::ComboBoxText);
+		_combo->signal_changed().connect (sigc::mem_fun (*this, &ComboStringOption::changed));
+	}
+
+	void set_state_from_config () {
+		_combo->set_active_text (_get());
+	}
+
+	void add_to_page (OptionEditorPage* p)
+	{
+		add_widgets_to_page (p, _label, _combo);
+	}
+
+	/** Set the allowed strings for this option
+	 *  @param strings a vector of allowed strings
+	 */
+        void set_popdown_strings (const std::vector<std::string>& strings) {
+		_combo->clear_items ();
+		for (std::vector<std::string>::const_iterator i = strings.begin(); i != strings.end(); ++i) {
+			_combo->append_text (*i);
+		}
+	}
+
+	void clear () {
+		_combo->clear_items();
+	}
+
+	void changed () {
+		_set (_combo->get_active_text ());
+	}
+
+	void set_sensitive (bool yn) {
+		_combo->set_sensitive (yn);
+	}
+
+        Gtk::Widget& tip_widget() { return *_combo; }
+
+private:
+        sigc::slot<std::string> _get;
+        sigc::slot<bool, std::string> _set;
+	Gtk::Label* _label;
+	Gtk::ComboBoxText* _combo;
+};
+
+
 /** Component which provides the UI to handle a boolean option which needs
  *  to be represented as a ComboBox to be clear to the user.
  */
diff --git a/gtk2_ardour/rc_option_editor.cc b/gtk2_ardour/rc_option_editor.cc
index 6b59e8718e..c889962158 100644
--- a/gtk2_ardour/rc_option_editor.cc
+++ b/gtk2_ardour/rc_option_editor.cc
@@ -1068,8 +1068,23 @@ RCOptionEditor::RCOptionEditor ()
 		(_sync_genlock->tip_widget(), 
 		 _("<b>When enabled</b> indicates that the selected external timecode source shares sync (Black &amp; Burst, Wordclock, etc) with the audio interface"));
 
+
 	add_option (_("Transport"), _sync_genlock);
 
+	_ltc_port = new ComboStringOption (
+		"ltc-source-port",
+		_("LTC incoming port"),
+		sigc::mem_fun (*_rc_config, &RCConfiguration::get_ltc_source_port),
+		sigc::mem_fun (*_rc_config, &RCConfiguration::set_ltc_source_port)
+		);
+
+	vector<string> physical_inputs;
+	physical_inputs.push_back (_("None"));
+	AudioEngine::instance()->get_physical_inputs (DataType::AUDIO, physical_inputs);
+	_ltc_port->set_popdown_strings (physical_inputs);
+
+	add_option (_("Transport"), _ltc_port);
+
 	parameter_changed ("sync-source");
 
 	/* EDITOR */
diff --git a/gtk2_ardour/rc_option_editor.h b/gtk2_ardour/rc_option_editor.h
index eae27d323b..76978d4317 100644
--- a/gtk2_ardour/rc_option_editor.h
+++ b/gtk2_ardour/rc_option_editor.h
@@ -45,6 +45,7 @@ private:
 	ComboOption<ARDOUR::SyncSource>* _sync_source;
         BoolOption* _sync_framerate;
         BoolOption* _sync_genlock;
+        ComboStringOption* _ltc_port;
 
         PBD::ScopedConnection parameter_change_connection;
 };