New Route dialog: add fallback default selection
[ardour.git] / gtk2_ardour / ghostregion.cc
index 27de6560893bb9cfdda6f49fd229172eb8d805b1..06946ec7ec8f45bc6333697384bea3f13ce19453 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000-2007 Paul Davis 
+    Copyright (C) 2000-2007 Paul Davis
 
     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 "evoral/Note.hpp"
-#include "ardour_ui.h"
+
+#include "ardour/parameter_descriptor.h"
+
+#include "canvas/container.h"
+#include "canvas/polygon.h"
+#include "canvas/rectangle.h"
+#include "canvas/debug.h"
+
+#include "waveview/wave_view.h"
+
 #include "automation_time_axis.h"
-#include "canvas-hit.h"
-#include "canvas-note.h"
 #include "ghostregion.h"
 #include "midi_streamview.h"
 #include "midi_time_axis.h"
+#include "region_view.h"
+#include "midi_region_view.h"
 #include "rgb_macros.h"
-#include "simplerect.h"
-#include "waveview.h"
+#include "note.h"
+#include "hit.h"
+#include "ui_config.h"
 
+using namespace std;
 using namespace Editing;
-using namespace ArdourCanvas;
 using namespace ARDOUR;
-
-GhostRegion::GhostRegion (ArdourCanvas::Group* parent, TimeAxisView& tv, TimeAxisView& source_tv, double initial_pos)
-       : trackview (tv)
-       , source_trackview (source_tv)
+using ArdourCanvas::Duple;
+
+GhostRegion::GhostRegion(RegionView& rv,
+                         ArdourCanvas::Container* parent,
+                         TimeAxisView& tv,
+                         TimeAxisView& source_tv,
+                         double initial_pos)
+    : parent_rv(rv)
+    , trackview(tv)
+    , source_trackview(source_tv)
 {
-       group = new ArdourCanvas::Group (*parent);
-       group->property_x() = initial_pos;
-       group->property_y() = 0.0;
+       group = new ArdourCanvas::Container (parent);
+       CANVAS_DEBUG_NAME (group, "ghost region");
+       group->set_position (ArdourCanvas::Duple (initial_pos, 0));
 
-       base_rect = new ArdourCanvas::SimpleRect (*group);
-       base_rect->property_x1() = (double) 0.0;
-       base_rect->property_y1() = (double) 0.0;
-       base_rect->property_y2() = (double) trackview.current_height();
-       base_rect->property_outline_what() = (guint32) 0;
+       base_rect = new ArdourCanvas::Rectangle (group);
+       CANVAS_DEBUG_NAME (base_rect, "ghost region rect");
+       base_rect->set_x0 (0);
+       base_rect->set_y0 (1.0);
+       base_rect->set_y1 (trackview.current_height());
+       base_rect->set_outline (false);
 
        if (!is_automation_ghost()) {
                base_rect->hide();
@@ -60,7 +77,8 @@ GhostRegion::GhostRegion (ArdourCanvas::Group* parent, TimeAxisView& tv, TimeAxi
 
 GhostRegion::~GhostRegion ()
 {
-       GoingAway (this);
+       parent_rv.remove_ghost(this);
+       trackview.erase_ghost(this);
        delete base_rect;
        delete group;
 }
@@ -68,66 +86,66 @@ GhostRegion::~GhostRegion ()
 void
 GhostRegion::set_duration (double units)
 {
-       base_rect->property_x2() = units;
+       base_rect->set_x1 (units);
 }
 
 void
 GhostRegion::set_height ()
 {
-       base_rect->property_y2() = (double) trackview.current_height();
+       base_rect->set_y1 (trackview.current_height());
 }
 
 void
 GhostRegion::set_colors ()
 {
        if (is_automation_ghost()) {
-               base_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackBase.get();
-               base_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackBase.get();
+               base_rect->set_fill_color (UIConfiguration::instance().color_mod ("ghost track base", "ghost track base"));
        }
 }
 
 guint
-GhostRegion::source_track_color(unsigned char alpha) {
+GhostRegion::source_track_color(unsigned char alpha)
+{
        Gdk::Color color = source_trackview.color();
-       unsigned char r,g,b ;
-       r = color.get_red()/256;
-       g = color.get_green()/256;
-       b = color.get_blue()/256;
-       return RGBA_TO_UINT(r, g, b, alpha);
+       return RGBA_TO_UINT (color.get_red() / 256, color.get_green() / 256, color.get_blue() / 256, alpha);
 }
 
 bool
-GhostRegion::is_automation_ghost() {
+GhostRegion::is_automation_ghost()
+{
        return (dynamic_cast<AutomationTimeAxisView*>(&trackview)) != 0;
 }
 
-AudioGhostRegion::AudioGhostRegion(TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos)
-       : GhostRegion(tv.ghost_group(), tv, source_tv, initial_unit_pos) {
+AudioGhostRegion::AudioGhostRegion(RegionView& rv,
+                                   TimeAxisView& tv,
+                                   TimeAxisView& source_tv,
+                                   double initial_unit_pos)
+    : GhostRegion(rv, tv.ghost_group(), tv, source_tv, initial_unit_pos)
+{
+
 }
 
 void
-AudioGhostRegion::set_samples_per_unit (double spu)
+AudioGhostRegion::set_samples_per_pixel (double fpp)
 {
-       for (vector<WaveView*>::iterator i = waves.begin(); i != waves.end(); ++i) {
-               (*i)->property_samples_per_unit() = spu;
-       }               
+       for (vector<ArdourWaveView::WaveView*>::iterator i = waves.begin(); i != waves.end(); ++i) {
+               (*i)->set_samples_per_pixel (fpp);
+       }
 }
 
 void
 AudioGhostRegion::set_height ()
 {
-       gdouble ht;
-       vector<WaveView*>::iterator i;
+       vector<ArdourWaveView::WaveView*>::iterator i;
        uint32_t n;
 
        GhostRegion::set_height();
 
-       ht = ((trackview.current_height()) / (double) waves.size());
-       
+       double const ht = ((trackview.current_height()) / (double) waves.size());
+
        for (n = 0, i = waves.begin(); i != waves.end(); ++i, ++n) {
-               gdouble yoff = n * ht;
-               (*i)->property_height() = ht;
-               (*i)->property_y() = yoff;
+               (*i)->set_height (ht);
+               (*i)->set_y_position (n * ht);
        }
 }
 
@@ -138,124 +156,156 @@ AudioGhostRegion::set_colors ()
        guint fill_color;
 
        if (is_automation_ghost()) {
-               fill_color = ARDOUR_UI::config()->canvasvar_GhostTrackWaveFill.get();
+               fill_color = UIConfiguration::instance().color ("ghost track wave fill");
        }
        else {
                fill_color = source_track_color(200);
        }
 
        for (uint32_t n=0; n < waves.size(); ++n) {
-               waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWave.get();
-               waves[n]->property_fill_color() = fill_color;
-               waves[n]->property_clip_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWaveClip.get();
-               waves[n]->property_zero_color() = ARDOUR_UI::config()->canvasvar_GhostTrackZeroLine.get();
+               waves[n]->set_outline_color (UIConfiguration::instance().color ("ghost track wave"));
+               waves[n]->set_fill_color (fill_color);
+               waves[n]->set_clip_color (UIConfiguration::instance().color ("ghost track wave clip"));
+               waves[n]->set_zero_color (UIConfiguration::instance().color ("ghost track zero line"));
        }
 }
 
-/*
- * This is the general constructor, and is called when the destination timeaxisview doesn't have
- * a midistreamview. But what to do when positioning the midi ghost here? For example, there is
- * no range controller in these tracks. maybe show the whole range.
+/** The general constructor; called when the destination timeaxisview doesn't have
+ *  a midistreamview.
+ *
+ *  @param rv The parent RegionView that is being ghosted.
+ *  @param tv TimeAxisView that this ghost region is on.
+ *  @param source_tv TimeAxisView that we are the ghost for.
  */
-MidiGhostRegion::MidiGhostRegion(TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos)
-       : GhostRegion(tv.ghost_group(), tv, source_tv, initial_unit_pos)
+MidiGhostRegion::MidiGhostRegion(MidiRegionView& rv,
+                                 TimeAxisView& tv,
+                                 TimeAxisView& source_tv,
+                                 double initial_unit_pos)
+    : GhostRegion(rv, tv.ghost_group(), tv, source_tv, initial_unit_pos)
+    , _note_group (new ArdourCanvas::Container (group))
+    ,  parent_mrv (rv)
+    , _optimization_iterator(events.end())
 {
+       _outline = UIConfiguration::instance().color ("ghost track midi outline");
 
        base_rect->lower_to_bottom();
 }
 
-MidiGhostRegion::MidiGhostRegion(MidiStreamView& msv, TimeAxisView& source_tv, double initial_unit_pos)
-       : GhostRegion(msv.midi_underlay_group, msv.trackview(), source_tv, initial_unit_pos)
+/**
+ *  @param rv The parent RegionView being ghosted.
+ *  @param msv MidiStreamView that this ghost region is on.
+ *  @param source_tv TimeAxisView that we are the ghost for.
+ */
+MidiGhostRegion::MidiGhostRegion(MidiRegionView& rv,
+                                 MidiStreamView& msv,
+                                 TimeAxisView& source_tv,
+                                 double initial_unit_pos)
+    : GhostRegion(rv,
+                  msv.midi_underlay_group,
+                  msv.trackview(),
+                  source_tv,
+                  initial_unit_pos)
+    , _note_group (new ArdourCanvas::Container (group))
+    ,  parent_mrv (rv)
+    , _optimization_iterator(events.end())
 {
-       base_rect->lower_to_bottom();   
+       _outline = UIConfiguration::instance().color ("ghost track midi outline");
+
+       base_rect->lower_to_bottom();
 }
 
 MidiGhostRegion::~MidiGhostRegion()
 {
-       //clear_events();
+       clear_events ();
+       delete _note_group;
 }
 
-MidiGhostRegion::Event::Event(ArdourCanvas::CanvasNoteEvent* e)
-       : event(e)
+MidiGhostRegion::GhostEvent::GhostEvent (NoteBase* e, ArdourCanvas::Container* g)
+       : event (e)
 {
-}
 
-MidiGhostRegion::Note::Note(ArdourCanvas::CanvasNote* n, ArdourCanvas::Group* g)
-       : Event(n)
-{
-       rect = new ArdourCanvas::SimpleRect(*g, n->x1(), n->y1(), n->x2(), n->y2());
+       if (dynamic_cast<Note*>(e)) {
+               item = new ArdourCanvas::Rectangle(
+                       g, ArdourCanvas::Rect(e->x0(), e->y0(), e->x1(), e->y1()));
+               is_hit = false;
+       } else {
+               Hit* hit = dynamic_cast<Hit*>(e);
+               if (!hit) {
+                       return;
+               }
+               ArdourCanvas::Polygon* poly = new ArdourCanvas::Polygon(g);
+               poly->set(Hit::points(e->y1() - e->y0()));
+               poly->set_position(hit->position());
+               item = poly;
+               is_hit = true;
+       }
+
+       CANVAS_DEBUG_NAME (item, "ghost note item");
 }
 
-MidiGhostRegion::Note::~Note()
+MidiGhostRegion::GhostEvent::~GhostEvent ()
 {
-       //delete rect;
+       /* event is not ours to delete */
+       delete item;
 }
 
 void
-MidiGhostRegion::Note::x_changed()
+MidiGhostRegion::set_samples_per_pixel (double /*spu*/)
 {
-       rect->property_x1() = event->x1();
-       rect->property_x2() = event->x2();
 }
 
-MidiGhostRegion::Hit::Hit(ArdourCanvas::CanvasHit* h, ArdourCanvas::Group*)
-       : Event(h)
+/** @return MidiStreamView that we are providing a ghost for */
+MidiStreamView*
+MidiGhostRegion::midi_view ()
 {
-       cerr << "Hit ghost item does not work yet" << endl;
-}
+       StreamView* sv = source_trackview.view ();
+       assert (sv);
+       MidiStreamView* msv = dynamic_cast<MidiStreamView*> (sv);
+       assert (msv);
 
-MidiGhostRegion::Hit::~Hit()
-{
+       return msv;
 }
 
 void
-MidiGhostRegion::Hit::x_changed()
+MidiGhostRegion::set_height ()
 {
+       GhostRegion::set_height();
+       update_contents_height ();
 }
 
 void
-MidiGhostRegion::set_samples_per_unit (double spu)
-{
-}
-
-MidiStreamView*
-MidiGhostRegion::midi_view()
+MidiGhostRegion::set_colors()
 {
-       MidiTimeAxisView* mtv;
+       GhostRegion::set_colors();
+       _outline = UIConfiguration::instance().color ("ghost track midi outline");
 
-       if ((mtv = dynamic_cast<MidiTimeAxisView*>(&trackview)) != 0) {
-               return mtv->midi_view();
-       }
-       else {
-               return 0;
+       for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
+               it->second->item->set_fill_color (UIConfiguration::instance().color_mod((*it).second->event->base_color(), "ghost track midi fill"));
+               it->second->item->set_outline_color (_outline);
        }
 }
 
-void
-MidiGhostRegion::set_height()
+static double
+note_height(TimeAxisView& trackview, MidiStreamView* mv)
 {
-       GhostRegion::set_height();
-       update_range();
+       const double tv_height  = trackview.current_height();
+       const double note_range = mv->contents_note_range();
+
+       return std::max(1.0, floor(tv_height / note_range - 1.0));
 }
 
-void
-MidiGhostRegion::set_colors()
+static double
+note_y(TimeAxisView& trackview, MidiStreamView* mv, uint8_t note_num)
 {
-       MidiGhostRegion::Note* note;
-       guint fill = source_track_color(200);
-
-       GhostRegion::set_colors();
+       const double tv_height  = trackview.current_height();
+       const double note_range = mv->contents_note_range();
+       const double s          = tv_height / note_range;
 
-       for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
-               if ((note = dynamic_cast<MidiGhostRegion::Note*>(*it)) != 0) {
-                       note->rect->property_fill_color_rgba() = fill;
-                       note->rect->property_outline_color_rgba() =  ARDOUR_UI::config()->canvasvar_GhostTrackMidiOutline.get();
-               }
-       }
+       return tv_height - (note_num + 1 - mv->lowest_note()) * s;
 }
 
 void
-MidiGhostRegion::update_range()
+MidiGhostRegion::update_contents_height ()
 {
        MidiStreamView* mv = midi_view();
 
@@ -263,64 +313,177 @@ MidiGhostRegion::update_range()
                return;
        }
 
-       MidiGhostRegion::Note* note;
-       uint8_t note_num;
-       double y;
-       
+       double const h = note_height(trackview, mv);
+
        for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
-               if ((note = dynamic_cast<MidiGhostRegion::Note*>(*it)) != 0) {
-                       note_num = note->event->note()->note();
+               uint8_t const note_num = it->second->event->note()->note();
 
-                       if (note_num < mv->lowest_note() || note_num > mv->highest_note()) {
-                               note->rect->hide();
-                       }
-                       else {
-                               note->rect->show();
-                               y = mv->note_to_y(note_num);
-                               note->rect->property_y1() = y;
-                               note->rect->property_y2() = y + mv->note_height();
-                       }
+               double const y = note_y(trackview, mv, note_num);
+
+               if (!it->second->is_hit) {
+                       _tmp_rect = static_cast<ArdourCanvas::Rectangle*>(it->second->item);
+                       _tmp_rect->set (ArdourCanvas::Rect (_tmp_rect->x0(), y, _tmp_rect->x1(), y + h));
+               } else {
+                       _tmp_poly = static_cast<ArdourCanvas::Polygon*>(it->second->item);
+                       ArdourCanvas::Duple position = _tmp_poly->position();
+                       position.y = y;
+                       _tmp_poly->set_position(position);
+                       _tmp_poly->set(Hit::points(h));
                }
        }
 }
 
 void
-MidiGhostRegion::add_note(ArdourCanvas::CanvasNote* n)
+MidiGhostRegion::add_note (NoteBase* n)
 {
-       Note* note = new Note(n, group);
-       events.push_back(note);
+       GhostEvent* event = new GhostEvent (n, _note_group);
+       events.insert (make_pair (n->note(), event));
 
-       note->rect->property_fill_color_rgba() = source_track_color(200);
-       note->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackMidiOutline.get();
+       event->item->set_fill_color (UIConfiguration::instance().color_mod(n->base_color(), "ghost track midi fill"));
+       event->item->set_outline_color (_outline);
 
        MidiStreamView* mv = midi_view();
 
        if (mv) {
-               const uint8_t note_num = n->note()->note();
 
-               if (note_num < mv->lowest_note() || note_num > mv->highest_note()) {
-                       note->rect->hide();
+               if (!n->item()->visible()) {
+                       event->item->hide();
                } else {
-                       const double y = mv->note_to_y(note_num);
-                       note->rect->property_y1() = y;
-                       note->rect->property_y2() = y + mv->note_height();
+                       uint8_t const note_num = n->note()->note();
+                       double const  h        = note_height(trackview, mv);
+                       double const  y        = note_y(trackview, mv, note_num);
+                       if (!event->is_hit) {
+                               _tmp_rect = static_cast<ArdourCanvas::Rectangle*>(event->item);
+                               _tmp_rect->set (ArdourCanvas::Rect (_tmp_rect->x0(), y, _tmp_rect->x1(), y + h));
+                       } else {
+                               _tmp_poly = static_cast<ArdourCanvas::Polygon*>(event->item);
+                               Duple position = _tmp_poly->position();
+                               position.y = y;
+                               _tmp_poly->set_position(position);
+                               _tmp_poly->set(Hit::points(h));
+                       }
                }
        }
 }
 
 void
-MidiGhostRegion::add_hit(ArdourCanvas::CanvasHit* h)
+MidiGhostRegion::clear_events()
 {
-       //events.push_back(new Hit(h, group));
+       _note_group->clear (true);
+       events.clear ();
+       _optimization_iterator = events.end();
 }
 
+/** Update the  positions of our representation of a note.
+ *  @param ev The GhostEvent from the parent MidiRegionView.
+ */
 void
-MidiGhostRegion::clear_events()
+MidiGhostRegion::update_note (GhostEvent* ev)
 {
-       for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
-               delete *it;
+       MidiStreamView* mv = midi_view();
+
+       if (!mv) {
+               return;
        }
 
-       events.clear();
+       _tmp_rect = static_cast<ArdourCanvas::Rectangle*>(ev->item);
+
+       uint8_t const note_num = ev->event->note()->note();
+       double const y = note_y(trackview, mv, note_num);
+       double const h = note_height(trackview, mv);
+
+       _tmp_rect->set (ArdourCanvas::Rect (ev->event->x0(), y, ev->event->x1(), y + h));
 }
 
+/** Update the positions of our representation of a parent's hit.
+ *  @param ev The GhostEvent from the parent MidiRegionView.
+ */
+void
+MidiGhostRegion::update_hit (GhostEvent* ev)
+{
+       MidiStreamView* mv = midi_view();
+
+       if (!mv) {
+               return;
+       }
+
+       _tmp_poly = static_cast<ArdourCanvas::Polygon*>(ev->item);
+
+       uint8_t const note_num = ev->event->note()->note();
+       double const h = note_height(trackview, mv);
+       double const y = note_y(trackview, mv, note_num);
+
+       ArdourCanvas::Duple ppos = ev->item->position();
+       ArdourCanvas::Duple gpos = _tmp_poly->position();
+       gpos.x = ppos.x;
+       gpos.y = y;
+
+       _tmp_poly->set_position(gpos);
+       _tmp_poly->set(Hit::points(h));
+}
+
+void
+MidiGhostRegion::remove_note (NoteBase* note)
+{
+       EventList::iterator f = events.find (note->note());
+       if (f == events.end()) {
+               return;
+       }
+
+       delete f->second;
+       events.erase (f);
+
+       _optimization_iterator = events.end ();
+}
+void
+MidiGhostRegion::redisplay_model ()
+{
+       /* we rely on the parent MRV having removed notes not in the model */
+       for (EventList::iterator i = events.begin(); i != events.end(); ) {
+
+               boost::shared_ptr<NoteType> note = i->first;
+               GhostEvent* cne = i->second;
+               const bool visible = (note->note() >= parent_mrv._current_range_min) &&
+                       (note->note() <= parent_mrv._current_range_max);
+
+               if (visible) {
+                       if (cne->is_hit) {
+                               update_hit (cne);
+                       } else {
+                               update_note (cne);
+                       }
+                       cne->item->show ();
+               } else {
+                       cne->item->hide ();
+               }
+
+               ++i;
+       }
+}
+
+/** Given a note in our parent region (ie the actual MidiRegionView), find our
+ *  representation of it.
+ *  @return Our Event, or 0 if not found.
+ */
+
+MidiGhostRegion::GhostEvent *
+MidiGhostRegion::find_event (boost::shared_ptr<NoteType> parent)
+{
+       /* we are using _optimization_iterator to speed up the common case where a caller
+          is going through our notes in order.
+       */
+
+       if (_optimization_iterator != events.end()) {
+               ++_optimization_iterator;
+               if (_optimization_iterator != events.end() && _optimization_iterator->first == parent) {
+                       return _optimization_iterator->second;
+               }
+       }
+
+       _optimization_iterator = events.find (parent);
+       if (_optimization_iterator != events.end()) {
+               return _optimization_iterator->second;
+       }
+
+       return 0;
+}