enough with umpteen "i18n.h" files. Consolidate on pbd/i18n.h
[ardour.git] / gtk2_ardour / automation_controller.cc
index 20ef5ab21cc973a4fbb6d374f185789a2a91c8b5..03054fa98b60ae073eb7b4e3a646c598d6aabbc3 100644 (file)
 #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;
 
+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)
-       : BarController (*adj, ac)
-       , _ignore_change(false)
+                                           Adjustment*                          adj,
+                                           bool                                 use_knob)
+       : _widget(NULL)
        , _printer (printer)
        , _controllable(ac)
        , _adjustment(adj)
+       , _ignore_change(false)
 {
        assert (_printer);
 
-       set_name (X_("ProcessorControlSlider"));
-
-       StartGesture.connect (sigc::mem_fun(*this, &AutomationController::start_touch));
-       StopGesture.connect (sigc::mem_fun(*this, &AutomationController::end_touch));
+       if (ac->toggled()) {
+               ArdourButton* but = manage(new ArdourButton());
 
-       signal_button_release_event().connect(
-               sigc::mem_fun(*this, &AutomationController::on_button_release));
+               // 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));
+       _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()
@@ -75,35 +134,21 @@ boost::shared_ptr<AutomationController>
 AutomationController::create(boost::shared_ptr<Automatable>       printer,
                              const Evoral::Parameter&             param,
                              const ParameterDescriptor&           desc,
-                             boost::shared_ptr<AutomationControl> ac)
+                             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);
-       double       smallstep = desc.smallstep;
-       double       largestep = desc.largestep;
-       if (smallstep == 0.0) {
-               smallstep = (up - lo) / 100;
-       }
-       if (largestep == 0.0) {
-               largestep = (up - lo) / 10;
-       }
-       smallstep = ac->internal_to_interface(smallstep);
-       largestep = ac->internal_to_interface(largestep);
+       const double smallstep = ac->internal_to_interface(desc.lower + desc.smallstep);
+       const double largestep = ac->internal_to_interface(desc.lower + desc.largestep);
 
        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));
-}
-
-std::string
-AutomationController::get_label (double& xpos)
-{
-        xpos = 0.5;
-        return _printer->value_as_string (_controllable);
+       return boost::shared_ptr<AutomationController>(new AutomationController(printer, ac, adjustment, use_knob));
 }
 
 void
@@ -122,7 +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);
+               }
        }
 }
 
@@ -135,7 +190,6 @@ AutomationController::start_touch()
 void
 AutomationController::end_touch ()
 {
-       if (!_controllable->alist()) return;
        if (_controllable->automation_state() == Touch) {
 
                bool mark = false;
@@ -147,15 +201,68 @@ 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()
 {
-       NoteSelectDialog* dialog = new NoteSelectDialog();
+       const ARDOUR::ParameterDescriptor& desc   = _controllable->desc();
+       NoteSelectDialog*                  dialog = new NoteSelectDialog();
        if (dialog->run() == Gtk::RESPONSE_ACCEPT) {
-               _controllable->set_value(dialog->note_number());
+               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;
 }
@@ -163,17 +270,22 @@ AutomationController::run_note_select_dialog()
 void
 AutomationController::set_freq_beats(double beats)
 {
-       const ARDOUR::Session& session = _controllable->session();
-       const ARDOUR::Tempo&   tempo   = session.tempo_map().tempo_at(0);
-       const double           bpm     = tempo.beats_per_minute();
-       const double           bps     = bpm / 60.0;
-       _controllable->set_value(bps / 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)
 {
-       _controllable->set_value(_controllable->get_value() * 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
@@ -185,14 +297,15 @@ AutomationController::on_button_release(GdkEventButton* ev)
                return false;
        }
 
-       if (_controllable->desc().unit == ARDOUR::ParameterDescriptor::MIDI_NOTE) {
+       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 (_controllable->desc().unit == ARDOUR::ParameterDescriptor::HZ) {
+       } else if (desc.unit == ARDOUR::ParameterDescriptor::HZ) {
                Gtk::Menu* menu  = manage(new Menu());
                MenuList&  items = menu->items();
                items.push_back(MenuElem(_("Halve"),
@@ -201,10 +314,18 @@ AutomationController::on_button_release(GdkEventButton* ev)
                items.push_back(MenuElem(_("Double"),
                                         sigc::bind(sigc::mem_fun(*this, &AutomationController::set_ratio),
                                                    2.0)));
-               for (double beats = 1.0; beats <= 16; ++beats) {
-                       items.push_back(MenuElem(string_compose(_("Set to %1 beat(s)"), (int)beats),
-                                                sigc::bind(sigc::mem_fun(*this, &AutomationController::set_freq_beats),
-                                                           beats)));
+               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;
@@ -225,3 +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));
+       }
+}