X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fautomation_controller.cc;h=03054fa98b60ae073eb7b4e3a646c598d6aabbc3;hb=cf52d6e4b40111eb04b244ec054055a4ec15dbe0;hp=dc9b8bb2c40e494bac82209367e0cbf9a0a86bf6;hpb=d357eca668044badcb4bab318e2e74cfffa9a0b0;p=ardour.git

diff --git a/gtk2_ardour/automation_controller.cc b/gtk2_ardour/automation_controller.cc
index dc9b8bb2c4..03054fa98b 100644
--- a/gtk2_ardour/automation_controller.cc
+++ b/gtk2_ardour/automation_controller.cc
@@ -1,6 +1,6 @@
 /*
-    Copyright (C) 2007 Paul Davis 
-    Author: Dave Robillard
+    Copyright (C) 2007 Paul Davis
+    Author: David Robillard
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -18,42 +18,112 @@
 
 */
 
-#include <pbd/error.h>
-#include "ardour/automation_event.h"
+#include <iomanip>
+#include <cmath>
+
+#include "pbd/compose.h"
+#include "pbd/error.h"
+
+#include "ardour/automatable.h"
 #include "ardour/automation_control.h"
-#include "ardour_ui.h"
-#include "utils.h"
+#include "ardour/session.h"
+#include "ardour/tempo.h"
+
+#include "ardour_button.h"
+#include "ardour_knob.h"
 #include "automation_controller.h"
 #include "gui_thread.h"
+#include "note_select_dialog.h"
+#include "timers.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace ARDOUR;
 using namespace Gtk;
 
+using PBD::Controllable;
 
-AutomationController::AutomationController(boost::shared_ptr<AutomationControl> ac, Adjustment* adj)
-	: BarController(*adj, ac)
-	, _ignore_change(false)
+AutomationBarController::AutomationBarController (
+		boost::shared_ptr<Automatable>       printer,
+		boost::shared_ptr<AutomationControl> ac,
+		Adjustment*                          adj)
+	: Gtkmm2ext::BarController(*adj, ac)
+	, _printer(printer)
+	, _controllable(ac)
+{
+}
+
+std::string
+AutomationBarController::get_label (double& xpos)
+{
+        xpos = 0.5;
+        return _printer->value_as_string (_controllable);
+}
+
+AutomationBarController::~AutomationBarController()
+{
+}
+
+AutomationController::AutomationController(boost::shared_ptr<Automatable>       printer,
+                                           boost::shared_ptr<AutomationControl> ac,
+                                           Adjustment*                          adj,
+                                           bool                                 use_knob)
+	: _widget(NULL)
+	, _printer (printer)
 	, _controllable(ac)
 	, _adjustment(adj)
+	, _ignore_change(false)
 {
-	set_name (X_("PluginSlider")); // FIXME: get yer own name!
-	set_style (BarController::LeftToRight);
-	set_use_parent (true);
-	
-	label_callback = sigc::mem_fun(this, &AutomationController::update_label);
-	
-	StartGesture.connect (mem_fun(*this, &AutomationController::start_touch));
-	StopGesture.connect (mem_fun(*this, &AutomationController::end_touch));
-	
-	_adjustment->signal_value_changed().connect (
-			mem_fun(*this, &AutomationController::value_adjusted));
-		
-	_screen_update_connection = ARDOUR_UI::RapidScreenUpdate.connect (
-			mem_fun (*this, &AutomationController::display_effective_value));
-	
-	ac->Changed.connect (mem_fun(*this, &AutomationController::value_changed));
+	assert (_printer);
+
+	if (ac->toggled()) {
+		ArdourButton* but = manage(new ArdourButton());
+
+		// Apply styles for special types
+		if (ac->parameter().type() == MuteAutomation) {
+			but->set_name("mute button");
+		} else if (ac->parameter().type() == SoloAutomation) {
+			but->set_name("solo button");
+		} else {
+			but->set_name("generic button");
+		}
+		but->set_controllable(ac);
+		but->signal_clicked.connect(
+			sigc::mem_fun(*this, &AutomationController::toggled));
+		const bool active = _adjustment->get_value() >= 0.5;
+		if (but->get_active() != active) {
+			but->set_active(active);
+		}
+		_widget = but;
+	} else if (use_knob) {
+		ArdourKnob* knob = manage (new ArdourKnob (ArdourKnob::default_elements, ArdourKnob::Detent));
+		knob->set_controllable (ac);
+		knob->set_name("processor control knob");
+		_widget = knob;
+	} else {
+		AutomationBarController* bar = manage(new AutomationBarController(_printer, ac, adj));
+
+		bar->set_name(X_("ProcessorControlSlider"));
+		bar->StartGesture.connect(
+			sigc::mem_fun(*this, &AutomationController::start_touch));
+		bar->StopGesture.connect(
+			sigc::mem_fun(*this, &AutomationController::end_touch));
+		bar->signal_button_release_event().connect(
+			sigc::mem_fun(*this, &AutomationController::on_button_release));
+
+		_widget = bar;
+	}
+
+	_adjustment->signal_value_changed().connect(
+		sigc::mem_fun(*this, &AutomationController::value_adjusted));
+
+	_screen_update_connection = Timers::rapid_connect (
+			sigc::mem_fun (*this, &AutomationController::display_effective_value));
+
+	ac->Changed.connect (_changed_connection, invalidator (*this), boost::bind (&AutomationController::value_changed, this), gui_context());
+
+	add(*_widget);
+	show_all();
 }
 
 AutomationController::~AutomationController()
@@ -61,87 +131,229 @@ AutomationController::~AutomationController()
 }
 
 boost::shared_ptr<AutomationController>
-AutomationController::create(
-		boost::shared_ptr<Automatable> parent,
-		boost::shared_ptr<Evoral::ControlList> cl,
-		boost::shared_ptr<AutomationControl> ac)
-{
-	Gtk::Adjustment* adjustment = manage(new Gtk::Adjustment(cl->default_value(), cl->get_min_y(), cl->get_max_y()));
-	if (!ac) {
-		PBD::warning << "Creating AutomationController for " << cl->parameter().symbol() << endmsg;
-		ac = boost::dynamic_pointer_cast<AutomationControl>(parent->control_factory(cl));
-	}
-	return boost::shared_ptr<AutomationController>(new AutomationController(ac, adjustment));
-}
+AutomationController::create(boost::shared_ptr<Automatable>       printer,
+                             const Evoral::Parameter&             param,
+                             const ParameterDescriptor&           desc,
+                             boost::shared_ptr<AutomationControl> ac,
+                             bool use_knob)
+{
+	const double lo        = ac->internal_to_interface(desc.lower);
+	const double up        = ac->internal_to_interface(desc.upper);
+	const double normal    = ac->internal_to_interface(desc.normal);
+	const double smallstep = ac->internal_to_interface(desc.lower + desc.smallstep);
+	const double largestep = ac->internal_to_interface(desc.lower + desc.largestep);
 
-void
-AutomationController::update_label(char* label, int label_len)
-{
-	if (label && label_len) {
-		// Hack to display CC rounded to int
-		if (_controllable->parameter().type() == MidiCCAutomation)
-			snprintf(label, label_len, "%d", (int)_controllable->get_value());
-		else
-			snprintf(label, label_len, "%.3f", _controllable->get_value());
-	}
+	Gtk::Adjustment* adjustment = manage (
+		new Gtk::Adjustment (normal, lo, up, smallstep, largestep));
+
+	assert (ac);
+	assert(ac->parameter() == param);
+	return boost::shared_ptr<AutomationController>(new AutomationController(printer, ac, adjustment, use_knob));
 }
 
 void
 AutomationController::display_effective_value()
 {
-	//if ( ! _controllable->list()->automation_playback())
-	//	return;
+	double const interface_value = _controllable->internal_to_interface(_controllable->get_value());
 
-	float value = _controllable->get_value();
-	
-	if (_adjustment->get_value() != value) {
-		_ignore_change = true; 
-		_adjustment->set_value (value);
+	if (_adjustment->get_value () != interface_value) {
+		_ignore_change = true;
+		_adjustment->set_value (interface_value);
 		_ignore_change = false;
 	}
 }
 
 void
-AutomationController::value_adjusted()
+AutomationController::value_adjusted ()
 {
 	if (!_ignore_change) {
-		_controllable->set_value(_adjustment->get_value());
+		_controllable->set_value (_controllable->interface_to_internal(_adjustment->get_value()), Controllable::NoGroup);
+	}
+
+	/* A bar controller will automatically follow the adjustment, but for a
+	   button we have to do it manually. */
+	ArdourButton* but = dynamic_cast<ArdourButton*>(_widget);
+	if (but) {
+		const bool active = _adjustment->get_value() >= 0.5;
+		if (but->get_active() != active) {
+			but->set_active(active);
+		}
 	}
 }
 
 void
 AutomationController::start_touch()
 {
-	_controllable->start_touch();
+	_controllable->start_touch (_controllable->session().transport_frame());
+}
+
+void
+AutomationController::end_touch ()
+{
+	if (_controllable->automation_state() == Touch) {
+
+		bool mark = false;
+		double when = 0;
+
+		if (_controllable->session().transport_rolling()) {
+			mark = true;
+			when = _controllable->session().transport_frame();
+		}
+
+		_controllable->stop_touch (mark, when);
+	} else {
+		_controllable->stop_touch (false, _controllable->session().transport_frame());
+	}
+}
+
+void
+AutomationController::toggled ()
+{
+	ArdourButton* but = dynamic_cast<ArdourButton*>(_widget);
+	const AutoState as = _controllable->automation_state ();
+	const double where = _controllable->session ().audible_frame ();
+	const bool to_list = _controllable->list () && _controllable->session().transport_rolling () && (as == Touch || as == Write);
+
+	if (but) {
+		if (to_list) {
+			if (as == Touch && _controllable->list ()->in_new_write_pass ()) {
+				_controllable->alist ()->start_write_pass (where);
+			}
+			_controllable->list ()->set_in_write_pass (true, false, where);
+		}
+		/* set to opposite value.*/
+		_controllable->set_double (but->get_active () ? 0.0 : 1.0, where, to_list);
+
+		const bool active = _controllable->get_double (to_list, where) >= 0.5;
+		if (active && !but->get_active ()) {
+			_adjustment->set_value (1.0);
+			but->set_active (true);
+		} else if (!active && but->get_active ()) {
+			_adjustment->set_value (0.0);
+			but->set_active (false);
+		}
+	}
+}
+
+static double
+midi_note_to_hz(int note)
+{
+	const double tuning = 440.0;
+	return tuning * pow(2, (note - 69.0) / 12.0);
+}
+
+static double
+clamp(double val, double min, double max)
+{
+	if (val < min) {
+		return min;
+	} else if (val > max) {
+		return max;
+	}
+	return val;
 }
 
 void
-AutomationController::end_touch()
+AutomationController::run_note_select_dialog()
 {
-	_controllable->stop_touch();
+	const ARDOUR::ParameterDescriptor& desc   = _controllable->desc();
+	NoteSelectDialog*                  dialog = new NoteSelectDialog();
+	if (dialog->run() == Gtk::RESPONSE_ACCEPT) {
+		const double value = ((_controllable->desc().unit == ARDOUR::ParameterDescriptor::HZ)
+		                      ? midi_note_to_hz(dialog->note_number())
+		                      : dialog->note_number());
+		_controllable->set_value(clamp(value, desc.lower, desc.upper), Controllable::NoGroup);
+	}
+	delete dialog;
 }
 
 void
-AutomationController::automation_state_changed ()
+AutomationController::set_freq_beats(double beats)
 {
-	ENSURE_GUI_THREAD(mem_fun(*this, &AutomationController::automation_state_changed));
+	const ARDOUR::ParameterDescriptor& desc    = _controllable->desc();
+	const ARDOUR::Session&             session = _controllable->session();
+	const framepos_t                   pos     = session.transport_frame();
+	const ARDOUR::Tempo&               tempo   = session.tempo_map().tempo_at_frame (pos);
+	const double                       bpm     = tempo.beats_per_minute();
+	const double                       bps     = bpm / 60.0;
+	const double                       freq    = bps / beats;
+	_controllable->set_value(clamp(freq, desc.lower, desc.upper), Controllable::NoGroup);
+}
 
-	bool x = (_controllable->automation_state() != Off);
-	
-	/* start watching automation so that things move */
-	
-	_screen_update_connection.disconnect();
+void
+AutomationController::set_ratio(double ratio)
+{
+	const ARDOUR::ParameterDescriptor& desc  = _controllable->desc();
+	const double                       value = _controllable->get_value() * ratio;
+	_controllable->set_value(clamp(value, desc.lower, desc.upper), Controllable::NoGroup);
+}
+
+bool
+AutomationController::on_button_release(GdkEventButton* ev)
+{
+	using namespace Gtk::Menu_Helpers;
+
+	if (ev->button != 3) {
+		return false;
+	}
 
-	if (x) {
-		_screen_update_connection = ARDOUR_UI::RapidScreenUpdate.connect (
-				mem_fun (*this, &AutomationController::display_effective_value));
+	const ARDOUR::ParameterDescriptor& desc = _controllable->desc();
+	if (desc.unit == ARDOUR::ParameterDescriptor::MIDI_NOTE) {
+		Gtk::Menu* menu  = manage(new Menu());
+		MenuList&  items = menu->items();
+		items.push_back(MenuElem(_("Select Note..."),
+		                         sigc::mem_fun(*this, &AutomationController::run_note_select_dialog)));
+		menu->popup(1, ev->time);
+		return true;
+	} else if (desc.unit == ARDOUR::ParameterDescriptor::HZ) {
+		Gtk::Menu* menu  = manage(new Menu());
+		MenuList&  items = menu->items();
+		items.push_back(MenuElem(_("Halve"),
+		                         sigc::bind(sigc::mem_fun(*this, &AutomationController::set_ratio),
+		                                    0.5)));
+		items.push_back(MenuElem(_("Double"),
+		                         sigc::bind(sigc::mem_fun(*this, &AutomationController::set_ratio),
+		                                    2.0)));
+		const bool is_audible = desc.upper > 40.0;
+		const bool is_low     = desc.lower < 1.0;
+		if (is_audible) {
+			items.push_back(MenuElem(_("Select Note..."),
+			                         sigc::mem_fun(*this, &AutomationController::run_note_select_dialog)));
+		}
+		if (is_low) {
+			for (int beats = 1; beats <= 16; ++beats) {
+				items.push_back(MenuElem (string_compose(P_("Set to %1 beat", "Set to %1 beats", beats), beats),
+				                         sigc::bind(sigc::mem_fun(*this, &AutomationController::set_freq_beats),
+				                                    (double)beats)));
+			}
+		}
+		menu->popup(1, ev->time);
+		return true;
 	}
+
+	return false;
 }
 
 void
 AutomationController::value_changed ()
 {
-	Gtkmm2ext::UI::instance()->call_slot (
-			mem_fun(*this, &AutomationController::display_effective_value));
+	Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AutomationController::display_effective_value, this));
+}
+
+/** Stop updating our value from our controllable */
+void
+AutomationController::stop_updating ()
+{
+	_screen_update_connection.disconnect ();
 }
 
+void
+AutomationController::disable_vertical_scroll ()
+{
+	AutomationBarController* bar = dynamic_cast<AutomationBarController*>(_widget);
+	if (bar) {
+		bar->set_tweaks (
+			Gtkmm2ext::PixFader::Tweaks(bar->tweaks() |
+			                            Gtkmm2ext::PixFader::NoVerticalScroll));
+	}
+}