enough with umpteen "i18n.h" files. Consolidate on pbd/i18n.h
[ardour.git] / gtk2_ardour / automation_controller.cc
index a75faf747c2fe3751fb67b633084d74c681cad93..03054fa98b60ae073eb7b4e3a646c598d6aabbc3 100644 (file)
 #include <iomanip>
 #include <cmath>
 
+#include "pbd/compose.h"
 #include "pbd/error.h"
 
 #include "ardour/automatable.h"
 #include "ardour/automation_control.h"
 #include "ardour/session.h"
+#include "ardour/tempo.h"
 
-#include "ardour_ui.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;
 
-AutomationController::AutomationController(boost::shared_ptr<Automatable> printer, boost::shared_ptr<AutomationControl> ac, Adjustment* adj)
-       : BarController (*adj, ac)
-       , _ignore_change(false)
-        , _printer (printer)
+using PBD::Controllable;
+
+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)
 {
-        assert (_printer);
+       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));
 
-       set_name (X_("PluginSlider")); // FIXME: get yer own name!
-       set_style (BarController::LeftToRight);
-       set_use_parent (true);
+               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));
 
-       StartGesture.connect (sigc::mem_fun(*this, &AutomationController::start_touch));
-       StopGesture.connect (sigc::mem_fun(*this, &AutomationController::end_touch));
+               _widget = bar;
+       }
 
-       _adjustment->signal_value_changed().connect (
-                       sigc::mem_fun(*this, &AutomationController::value_adjusted));
+       _adjustment->signal_value_changed().connect(
+               sigc::mem_fun(*this, &AutomationController::value_adjusted));
 
-       _screen_update_connection = ARDOUR_UI::RapidScreenUpdate.connect (
+       _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()
@@ -66,37 +131,30 @@ AutomationController::~AutomationController()
 }
 
 boost::shared_ptr<AutomationController>
-AutomationController::create(
-               boost::shared_ptr<Automatable> printer,
-               const Evoral::Parameter& param,
-               boost::shared_ptr<AutomationControl> ac)
+AutomationController::create(boost::shared_ptr<Automatable>       printer,
+                             const Evoral::Parameter&             param,
+                             const ParameterDescriptor&           desc,
+                             boost::shared_ptr<AutomationControl> ac,
+                             bool use_knob)
 {
-       Gtk::Adjustment* adjustment = manage (
-               new Gtk::Adjustment (
-                       ac->internal_to_interface (param.normal()),
-                       ac->internal_to_interface (param.min()),
-                       ac->internal_to_interface (param.max()),
-                       (param.max() - param.min()) / 100.0,
-                       (param.max() - param.min()) / 10.0
-                       )
-               );
+       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);
 
-        assert (ac);
-        assert(ac->parameter() == param);
-       return boost::shared_ptr<AutomationController>(new AutomationController(printer, ac, adjustment));
-}
+       Gtk::Adjustment* adjustment = manage (
+               new Gtk::Adjustment (normal, lo, up, smallstep, largestep));
 
-std::string
-AutomationController::get_label (double& xpos)
-{
-        xpos = 0.5;
-        return _printer->value_as_string (_controllable);
+       assert (ac);
+       assert(ac->parameter() == param);
+       return boost::shared_ptr<AutomationController>(new AutomationController(printer, ac, adjustment, use_knob));
 }
 
 void
 AutomationController::display_effective_value()
 {
-       double const interface_value = _controllable->internal_to_interface (_controllable->get_value());
+       double const interface_value = _controllable->internal_to_interface(_controllable->get_value());
 
        if (_adjustment->get_value () != interface_value) {
                _ignore_change = true;
@@ -109,7 +167,17 @@ void
 AutomationController::value_adjusted ()
 {
        if (!_ignore_change) {
-               _controllable->set_value (_controllable->interface_to_internal (_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);
+               }
        }
 }
 
@@ -133,7 +201,137 @@ AutomationController::end_touch ()
                }
 
                _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::run_note_select_dialog()
+{
+       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::set_freq_beats(double beats)
+{
+       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);
+}
+
+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;
        }
+
+       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
@@ -148,3 +346,14 @@ 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));
+       }
+}