factor out shuttle controller to its own class, new design
[ardour.git] / gtk2_ardour / automation_time_axis.cc
index b9edc4ef631c9a44d9931fe56e7e5cf33a19c09c..a92ac3853077f70de8bb4cb3d261ed341557575b 100644 (file)
@@ -28,6 +28,7 @@
 #include "ardour_ui.h"
 #include "automation_time_axis.h"
 #include "automation_streamview.h"
+#include "global_signals.h"
 #include "gui_thread.h"
 #include "route_time_axis.h"
 #include "automation_line.h"
@@ -35,7 +36,6 @@
 #include "simplerect.h"
 #include "selection.h"
 #include "rgb_macros.h"
-#include "automation_selectable.h"
 #include "point_selection.h"
 #include "canvas_impl.h"
 #include "utils.h"
@@ -59,26 +59,39 @@ const string AutomationTimeAxisView::state_node_name = "AutomationChild";
  * For route child (e.g. plugin) automation, pass the child for \a.
  * For region automation (e.g. MIDI CC), pass null for \a.
  */
-AutomationTimeAxisView::AutomationTimeAxisView (Session* s, boost::shared_ptr<Route> r,
-               boost::shared_ptr<Automatable> a, boost::shared_ptr<AutomationControl> c,
-               PublicEditor& e, TimeAxisView& parent, bool show_regions,
-               ArdourCanvas::Canvas& canvas, const string & nom, const string & nomparent)
-       : AxisView (s),
-         TimeAxisView (s, e, &parent, canvas),
-         _route (r),
-         _control (c),
-         _automatable (a),
-         _controller(AutomationController::create(a, c->parameter(), c)),
-         _base_rect (0),
-         _view (show_regions ? new AutomationStreamView(*this) : NULL),
-         _name (nom),
-         auto_button (X_("")) /* force addition of a label */
+AutomationTimeAxisView::AutomationTimeAxisView (
+       Session* s,
+       boost::shared_ptr<Route> r,
+       boost::shared_ptr<Automatable> a,
+       boost::shared_ptr<AutomationControl> c,
+       Evoral::Parameter p,
+       PublicEditor& e,
+       TimeAxisView& parent,
+       bool show_regions,
+       ArdourCanvas::Canvas& canvas,
+       const string & nom,
+       const string & nomparent
+       )
+       : AxisView (s)
+       , TimeAxisView (s, e, &parent, canvas)
+       , _route (r)
+       , _control (c)
+       , _automatable (a)
+       , _parameter (p)
+       , _base_rect (0)
+       , _view (show_regions ? new AutomationStreamView (*this) : 0)
+       , _name (nom)
+       , auto_button (X_("")) /* force addition of a label */
 {
        if (!have_name_font) {
                name_font = get_font_for_style (X_("AutomationTrackName"));
                have_name_font = true;
        }
 
+       if (_automatable && _control) {
+               _controller = AutomationController::create (_automatable, _control->parameter(), _control);
+       }
+
        automation_menu = 0;
        auto_off_item = 0;
        auto_touch_item = 0;
@@ -93,7 +106,10 @@ AutomationTimeAxisView::AutomationTimeAxisView (Session* s, boost::shared_ptr<Ro
        _base_rect = new SimpleRect(*_canvas_display);
        _base_rect->property_x1() = 0.0;
        _base_rect->property_y1() = 0.0;
-       _base_rect->property_x2() = LONG_MAX - 2;
+       /** gnomecanvas sometimes converts this value to int or adds 2 to it, so it must be
+           set correctly to avoid overflow.
+       */
+       _base_rect->property_x2() = INT_MAX - 2;
        _base_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_AutomationTrackOutline.get();
 
        /* outline ends and bottom */
@@ -145,6 +161,7 @@ AutomationTimeAxisView::AutomationTimeAxisView (Session* s, boost::shared_ptr<Ro
 
        name_label.set_text (shortpname);
        name_label.set_alignment (Gtk::ALIGN_CENTER, Gtk::ALIGN_CENTER);
+        name_label.set_name (X_("TrackParameterName"));
 
        if (nomparent.length()) {
 
@@ -158,7 +175,6 @@ AutomationTimeAxisView::AutomationTimeAxisView (Session* s, boost::shared_ptr<Ro
                plugname = new Label (pname);
                plugname->set_name (X_("TrackPlugName"));
                plugname->show();
-               name_label.set_name (X_("TrackParameterName"));
                controls_table.remove (name_hbox);
                controls_table.attach (*plugname, 1, 5, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
                plugname_packed = true;
@@ -182,8 +198,10 @@ AutomationTimeAxisView::AutomationTimeAxisView (Session* s, boost::shared_ptr<Ro
 
        controls_table.attach (auto_button, 5, 8, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 
-       /* add bar controller */
-       controls_table.attach (*_controller.get(), 0, 8, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
+       if (_controller) {
+               /* add bar controller */
+               controls_table.attach (*_controller.get(), 0, 8, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
+       }
 
        controls_table.show_all ();
 
@@ -194,8 +212,7 @@ AutomationTimeAxisView::AutomationTimeAxisView (Session* s, boost::shared_ptr<Ro
        controls_base_unselected_name = X_("AutomationTrackControlsBase");
        controls_ebox.set_name (controls_base_unselected_name);
 
-       XMLNode* xml_node = get_parent_with_state()->get_automation_child_xml_node (
-                       _control->parameter());
+       XMLNode* xml_node = get_parent_with_state()->get_automation_child_xml_node (_parameter);
 
        if (xml_node) {
                set_state (*xml_node, Stateful::loading_state_version);
@@ -207,13 +224,17 @@ AutomationTimeAxisView::AutomationTimeAxisView (Session* s, boost::shared_ptr<Ro
                assert(_view);
                _view->attach ();
 
-       /* no regions, just a single line for the entire track (e.g. bus gain) */
        } else {
-               boost::shared_ptr<AutomationLine> line(new AutomationLine (
-                                       ARDOUR::EventTypeMap::instance().to_symbol(_control->parameter()),
-                                       *this,
-                                       *_canvas_display,
-                                       _control->alist()));
+               /* no regions, just a single line for the entire track (e.g. bus gain) */
+               
+               boost::shared_ptr<AutomationLine> line (
+                       new AutomationLine (
+                               ARDOUR::EventTypeMap::instance().to_symbol(_parameter),
+                               *this,
+                               *_canvas_display,
+                               _control->alist()
+                               )
+                       );
 
                line->set_line_color (ARDOUR_UI::config()->canvasvar_ProcessorAutomationLine.get());
                line->queue_reset ();
@@ -256,23 +277,25 @@ AutomationTimeAxisView::auto_clicked ()
 void
 AutomationTimeAxisView::set_automation_state (AutoState state)
 {
-       if (!ignore_state_request) {
-               if (_automatable) {
-                       _automatable->set_parameter_automation_state (_control->parameter(), state);
-               }
-#if 0
-               if (_route == _automatable) { // This is a time axis for route (not region) automation
-                       _route->set_parameter_automation_state (_control->parameter(), state);
-               }
-
-               if (_control->list())
-                       _control->alist()->set_automation_state(state);
-#endif
+       if (ignore_state_request) {
+               return;
        }
 
+       if (_automatable) {
+               _automatable->set_parameter_automation_state (_parameter, state);
+       }
+#if 0
+       if (_route == _automatable) { // This is a time axis for route (not region) automation
+               _route->set_parameter_automation_state (_parameter, state);
+       }
+       
+       if (_control->list()) {
+               _control->alist()->set_automation_state(state);
+       }
+#endif
        if (_view) {
                _view->set_automation_state (state);
-
+               
                /* AutomationStreamViews don't signal when their automation state changes, so handle
                   our updates `manually'.
                */
@@ -402,7 +425,7 @@ AutomationTimeAxisView::set_height (uint32_t h)
 
        TimeAxisView* state_parent = get_parent_with_state ();
        assert(state_parent);
-       XMLNode* xml_node = state_parent->get_automation_child_xml_node (_control->parameter());
+       XMLNode* xml_node = state_parent->get_automation_child_xml_node (_parameter);
 
        TimeAxisView::set_height (h);
        _base_rect->property_y2() = h;
@@ -553,7 +576,7 @@ AutomationTimeAxisView::build_display_menu ()
        /* current interpolation state */
        AutomationList::InterpolationStyle const s = _view ? _view->interpolation() : _control->list()->interpolation ();
 
-       if (EventTypeMap::instance().is_midi_parameter(_control->parameter())) {
+       if (EventTypeMap::instance().is_midi_parameter(_parameter)) {
 
                Menu* auto_mode_menu = manage (new Menu);
                auto_mode_menu->set_name ("ArdourContextMenu");
@@ -583,10 +606,11 @@ AutomationTimeAxisView::build_display_menu ()
 }
 
 void
-AutomationTimeAxisView::add_automation_event (ArdourCanvas::Item* /*item*/, GdkEvent* /*event*/, nframes_t when, double y)
+AutomationTimeAxisView::add_automation_event (ArdourCanvas::Item* /*item*/, GdkEvent* /*event*/, framepos_t when, double y)
 {
-       if (!_line)
+       if (!_line) {
                return;
+       }
 
        double x = 0;
 
@@ -635,7 +659,7 @@ AutomationTimeAxisView::cut_copy_clear_one (AutomationLine& line, Selection& sel
        XMLNode &before = alist->get_state();
 
        /* convert time selection to automation list model coordinates */
-       const Evoral::TimeConverter<double, ARDOUR::sframes_t>& tc = line.time_converter ();
+       const Evoral::TimeConverter<double, ARDOUR::framepos_t>& tc = line.time_converter ();
        double const start = tc.from (selection.time.front().start - tc.origin_b ());
        double const end = tc.from (selection.time.front().end - tc.origin_b ());
        
@@ -925,15 +949,17 @@ AutomationTimeAxisView::add_line (boost::shared_ptr<AutomationLine> line)
 void
 AutomationTimeAxisView::entered()
 {
-       if (_line)
+       if (_line) {
                _line->track_entered();
+       }
 }
 
 void
 AutomationTimeAxisView::exited ()
 {
-       if (_line)
+       if (_line) {
                _line->track_exited();
+       }
 }
 
 void
@@ -949,8 +975,12 @@ AutomationTimeAxisView::set_state (const XMLNode& node, int version)
 {
        TimeAxisView::set_state (node, version);
 
+       if (version < 3000) {
+               return set_state_2X (node, version);
+       }
+       
        XMLProperty const * type = node.property ("automation-id");
-       if (type && type->value () == ARDOUR::EventTypeMap::instance().to_symbol (_control->parameter())) {
+       if (type && type->value () == ARDOUR::EventTypeMap::instance().to_symbol (_parameter)) {
                XMLProperty const * shown = node.property ("shown");
                if (shown && shown->value () == "yes") {
                        set_marked_for_display (true);
@@ -965,13 +995,32 @@ AutomationTimeAxisView::set_state (const XMLNode& node, int version)
        return 0;
 }
 
+int
+
+AutomationTimeAxisView::set_state_2X (const XMLNode& node, int /*version*/)
+{
+       if (node.name() == X_("gain") && _parameter == Evoral::Parameter (GainAutomation)) {
+               XMLProperty const * shown = node.property (X_("shown"));
+               if (shown && string_is_affirmative (shown->value ())) {
+                       set_marked_for_display (true);
+                       _canvas_display->show (); /* FIXME: necessary? show_at? */
+               }
+       }
+
+       if (!_marked_for_display) {
+               hide ();
+       }
+
+       return 0;
+}
+
 XMLNode*
 AutomationTimeAxisView::get_state_node ()
 {
        TimeAxisView* state_parent = get_parent_with_state ();
 
        if (state_parent) {
-               return state_parent->get_automation_child_xml_node (_control->parameter());
+               return state_parent->get_automation_child_xml_node (_parameter);
        } else {
                return 0;
        }
@@ -1020,3 +1069,17 @@ AutomationTimeAxisView::has_automation () const
 {
        return ( (_line && _line->npoints() > 0) || (_view && _view->has_automation()) );
 }
+
+list<boost::shared_ptr<AutomationLine> >
+AutomationTimeAxisView::lines () const
+{
+       list<boost::shared_ptr<AutomationLine> > lines;
+       
+       if (_line) {
+               lines.push_back (_line);
+       } else if (_view) {
+               lines = _view->get_lines ();
+       }
+
+       return lines;
+}