move contrasting_text_color() into ArdourCanvas
[ardour.git] / gtk2_ardour / automation_controller.cc
index ae727cd98f9216b74e47dfd15242e0a209e7e210..a75faf747c2fe3751fb67b633084d74c681cad93 100644 (file)
@@ -1,6 +1,6 @@
 /*
     Copyright (C) 2007 Paul Davis
-    Author: Dave Robillard
+    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
 */
 
 #include <iomanip>
+#include <cmath>
+
 #include "pbd/error.h"
-#include "ardour/automation_list.h"
-#include "ardour/automation_control.h"
-#include "ardour/event_type_map.h"
+
 #include "ardour/automatable.h"
+#include "ardour/automation_control.h"
+#include "ardour/session.h"
+
 #include "ardour_ui.h"
-#include "utils.h"
 #include "automation_controller.h"
 #include "gui_thread.h"
 
 using namespace ARDOUR;
 using namespace Gtk;
 
-
-AutomationController::AutomationController(boost::shared_ptr<AutomationControl> ac, Adjustment* adj)
+AutomationController::AutomationController(boost::shared_ptr<Automatable> printer, boost::shared_ptr<AutomationControl> ac, Adjustment* adj)
        : BarController (*adj, ac)
        , _ignore_change(false)
+        , _printer (printer)
        , _controllable(ac)
        , _adjustment(adj)
 {
+        assert (_printer);
+
        set_name (X_("PluginSlider")); // FIXME: get yer own name!
        set_style (BarController::LeftToRight);
        set_use_parent (true);
@@ -63,84 +67,72 @@ AutomationController::~AutomationController()
 
 boost::shared_ptr<AutomationController>
 AutomationController::create(
-               boost::shared_ptr<Automatable> parent,
+               boost::shared_ptr<Automatable> printer,
                const Evoral::Parameter& param,
                boost::shared_ptr<AutomationControl> ac)
 {
-       Gtk::Adjustment* adjustment = manage(new Gtk::Adjustment(param.normal(), param.min(), param.max()));
-       if (!ac) {
-               PBD::warning << "Creating AutomationController for " << EventTypeMap::instance().to_symbol(param) << endmsg;
-               ac = boost::dynamic_pointer_cast<AutomationControl>(parent->control_factory(param));
-       } else {
-               assert(ac->parameter() == param);
-       }
-       return boost::shared_ptr<AutomationController>(new AutomationController(ac, adjustment));
+       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
+                       )
+               );
+
+        assert (ac);
+        assert(ac->parameter() == param);
+       return boost::shared_ptr<AutomationController>(new AutomationController(printer, ac, adjustment));
 }
 
 std::string
-AutomationController::get_label (int&)
+AutomationController::get_label (double& xpos)
 {
-       std::stringstream s;
-
-       // Hack to display CC rounded to int
-       if (_controllable->parameter().type() == MidiCCAutomation) {
-               s << (int)_controllable->get_value();
-       } else {
-               s << std::fixed << std::setprecision(3) << _controllable->get_value();
-       }
-
-       return s.str ();
+        xpos = 0.5;
+        return _printer->value_as_string (_controllable);
 }
 
 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) {
+       if (_adjustment->get_value () != interface_value) {
                _ignore_change = true;
-               _adjustment->set_value (value);
+               _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()));
        }
 }
 
 void
 AutomationController::start_touch()
 {
-       _controllable->start_touch();
-}
-
-void
-AutomationController::end_touch()
-{
-       _controllable->stop_touch();
+       _controllable->start_touch (_controllable->session().transport_frame());
 }
 
 void
-AutomationController::automation_state_changed ()
+AutomationController::end_touch ()
 {
-       ENSURE_GUI_THREAD (*this, &AutomationController::automation_state_changed)
-
-       bool x = (_controllable->automation_state() != Off);
+       if (_controllable->automation_state() == Touch) {
 
-       /* start watching automation so that things move */
+               bool mark = false;
+               double when = 0;
 
-       _screen_update_connection.disconnect();
+               if (_controllable->session().transport_rolling()) {
+                       mark = true;
+                       when = _controllable->session().transport_frame();
+               }
 
-       if (x) {
-               _screen_update_connection = ARDOUR_UI::RapidScreenUpdate.connect (
-                               sigc::mem_fun (*this, &AutomationController::display_effective_value));
+               _controllable->stop_touch (mark, when);
        }
 }