Add Transport Clock widgets that reflect the canonical ones in ArdourUI

gtk2_ardour/ardour_ui.cc

@@ -282,8 +282,8 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 	: Gtkmm2ext::UI (PROGRAM_NAME, X_("gui"), argcp, argvp)
 	, session_load_in_progress (false)
 	, gui_object_state (new GUIObjectState)
-	, primary_clock   (new MainClock (X_("primary"),   X_("transport")))
-	, secondary_clock (new MainClock (X_("secondary"), X_("secondary")))
+	, primary_clock   (new MainClock (X_("primary"),   X_("transport"), MainClock::PrimaryClock))
+	, secondary_clock (new MainClock (X_("secondary"), X_("secondary"), MainClock::SecondaryClock))
 	, big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 	, video_timeline(0)
 	, ignore_dual_punch (false)

gtk2_ardour/audio_clock.h

@@ -76,9 +76,10 @@ public:
 	virtual void set (Temporal::timepos_t const &, bool force = false);
 	void set_duration (Temporal::timecnt_t const &, bool force = false);
 
+	virtual	void set_mode (Mode);
+
 	void set_from_playhead ();
 	void locate ();
-	void set_mode (Mode);
 
 	void copy_text_to_clipboard () const;
 

gtk2_ardour/main_clock.cc

@@ -29,20 +29,29 @@
 #include "actions.h"
 #include "main_clock.h"
 #include "public_editor.h"
+#include "ardour_ui.h"
 
 #include "pbd/i18n.h"
 
 using namespace Gtk;
 using namespace ARDOUR;
+using namespace std;
 
 MainClock::MainClock (
 	const std::string& clock_name,
-	const std::string& widget_name
+	const std::string& widget_name,
+	ClockDisposition d
 	)
 	: AudioClock (clock_name, false, widget_name, true, true, false, true)
+	, _disposition(d)
 	, _suspend_delta_mode_signal (false)
 	, _widget_name(widget_name)
 {
+	ValueChanged.connect (sigc::mem_fun(*this, &MainClock::clock_value_changed));
+
+	UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &MainClock::parameter_changed));
+	std::function<void (std::string)> pc (std::bind (&MainClock::parameter_changed, this, _1));
+	UIConfiguration::instance().map_parameters (pc);
 }
 
 void
@@ -53,6 +62,24 @@ MainClock::set_session (ARDOUR::Session *s)
 	_right_btn.set_related_action (ActionManager::get_action (X_("Editor"), X_("edit-current-meter")));
 }
 
+void
+MainClock::parameter_changed (std::string p)
+{
+	if (p == "primary-clock-delta-mode" && _disposition == PrimaryClock) {
+		set_display_delta_mode(UIConfiguration::instance().get_primary_clock_delta_mode());
+	} else if (p == "secondary-clock-delta-mode" && _disposition == SecondaryClock) {
+		set_display_delta_mode(UIConfiguration::instance().get_secondary_clock_delta_mode());
+	}
+}
+
+void
+MainClock::clock_value_changed ()
+{
+	if (_session) {
+		_session->request_locate (last_when ().samples());
+	}
+}
+
 void
 MainClock::build_ops_menu ()
 {
@@ -110,6 +137,8 @@ MainClock::set (timepos_t const & when, bool force)
 			}
 			break;
 	}
+
+	CanonicalClockChanged ();  //signal
 }
 
 void
@@ -159,3 +188,52 @@ MainClock::insert_new_meter ()
 {
 	PublicEditor::instance().mouse_add_new_meter_event (last_when ());
 }
+
+
+TransportClock::TransportClock (
+	const std::string& clock_name,
+	const std::string& widget_name,
+	ClockDisposition d
+	)
+	: MainClock (clock_name, widget_name, d)
+{
+	if (_disposition==PrimaryClock) {
+		ARDOUR_UI::instance()->primary_clock->CanonicalClockChanged.connect (sigc::mem_fun(*this, &TransportClock::follow_canonical_clock));
+		ARDOUR_UI::instance()->primary_clock->mode_changed.connect (sigc::mem_fun(*this, &TransportClock::follow_canonical_clock));
+		change_display_delta_mode_signal.connect (sigc::mem_fun(UIConfiguration::instance(), &UIConfiguration::set_primary_clock_delta_mode));
+	} else {
+		ARDOUR_UI::instance()->secondary_clock->CanonicalClockChanged.connect (sigc::mem_fun(*this, &TransportClock::follow_canonical_clock));
+		ARDOUR_UI::instance()->secondary_clock->mode_changed.connect (sigc::mem_fun(*this, &TransportClock::follow_canonical_clock));
+		change_display_delta_mode_signal.connect (sigc::mem_fun(UIConfiguration::instance(), &UIConfiguration::set_secondary_clock_delta_mode));
+	}
+}
+
+void
+TransportClock::set_mode(Mode m)
+{
+	//we don't set the mode for ourselves; instead we set the canonical clock and then 'follow' it
+
+	if (_disposition==PrimaryClock) {
+		ARDOUR_UI::instance()->primary_clock->set_mode(m);
+	} else {
+		ARDOUR_UI::instance()->secondary_clock->set_mode(m);
+	}
+}
+
+void
+TransportClock::follow_canonical_clock ()
+{
+	if (!_session) {
+		return;
+	}
+
+	set(timepos_t(_session->audible_sample()));
+
+	if (_disposition==PrimaryClock) {
+		AudioClock::set_mode(ARDOUR_UI::instance()->primary_clock->mode());
+		set_display_delta_mode(ARDOUR_UI::instance()->primary_clock->display_delta_mode());
+	} else {
+		AudioClock::set_mode(ARDOUR_UI::instance()->secondary_clock->mode());
+		set_display_delta_mode(ARDOUR_UI::instance()->secondary_clock->display_delta_mode());
+	}
+}

gtk2_ardour/main_clock.h

@@ -27,12 +27,29 @@
 class MainClock : public AudioClock
 {
 public:
-	MainClock (const std::string& clock_name, const std::string& widget_name);
+	enum ClockDisposition {
+		PrimaryClock,
+		SecondaryClock
+	};
+
+	MainClock (const std::string& clock_name, const std::string& widget_name, ClockDisposition d);
 	void set_session (ARDOUR::Session *s);
+
+	ARDOUR::ClockDeltaMode display_delta_mode () {return _delta_mode;}
 	void set_display_delta_mode (ARDOUR::ClockDeltaMode m);
+
 	void set (Temporal::timepos_t const &, bool force = false);
 	sigc::signal<bool, ARDOUR::ClockDeltaMode> change_display_delta_mode_signal;
 
+	sigc::signal<void> CanonicalClockChanged;
+
+	void clock_value_changed();
+
+	void parameter_changed (std::string p);
+
+protected:
+	ClockDisposition _disposition;
+
 private:
 	void build_ops_menu ();
 	void change_display_delta_mode (ARDOUR::ClockDeltaMode);
@@ -45,3 +62,19 @@ private:
 	ARDOUR::ClockDeltaMode _delta_mode;
 };
 
+/** TransportClock is a clock widget that reflects the state of the canonical MainClocks in ARDOUR_UI (either Primary or Secondary)
+ * there are multiple Primary and Secondary clock widgets, but from the user's perspective they all represent the "same clock"
+ * The current position, display mode, and 'delta mode' are globally shared across Primary and Secondary clocks.
+ * Other state, such as the editing/text-entry state, remains per-widget.
+*/
+class TransportClock : public MainClock
+{
+public:
+	TransportClock (const std::string& clock_name, const std::string& widget_name, ClockDisposition d);
+
+protected:
+	void set_mode(Mode);  //override
+
+private:
+	void follow_canonical_clock();
+};