Re-add erroneously-removed methods related to cut/copy of
[ardour.git] / gtk2_ardour / ghostregion.cc
index 8caacac3b3d31b0dd1bb0f9acbe0eab2fce13990..31e6de390ba23186068c8510da2bcfd80e249853 100644 (file)
-#include "canvas-simplerect.h"
-#include "ghostregion.h"
+/*
+    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
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "evoral/Note.hpp"
+#include "ardour_ui.h"
 #include "automation_time_axis.h"
+#include "canvas-note.h"
+#include "ghostregion.h"
+#include "midi_streamview.h"
+#include "midi_time_axis.h"
 #include "rgb_macros.h"
+#include "simplerect.h"
+#include "waveview.h"
 
+using namespace std;
 using namespace Editing;
+using namespace ArdourCanvas;
+using namespace ARDOUR;
+
+PBD::Signal1<void,GhostRegion*> GhostRegion::CatchDeletion;
 
-GhostRegion::GhostRegion (AutomationTimeAxisView& atv, double initial_pos)
-       : trackview (atv)
+GhostRegion::GhostRegion (ArdourCanvas::Group* parent, TimeAxisView& tv, TimeAxisView& source_tv, double initial_pos)
+       : trackview (tv)
+       , source_trackview (source_tv)
 {
-       group = gtk_canvas_item_new (GTK_CANVAS_GROUP(trackview.canvas_display),
-                                    gtk_canvas_group_get_type(),
-                                    "x", initial_pos,
-                                    "y", 0.0,
-                                    NULL);
+       group = new ArdourCanvas::Group (*parent);
+       group->property_x() = initial_pos;
+       group->property_y() = 0.0;
 
-       base_rect = gtk_canvas_item_new (GTK_CANVAS_GROUP(group),
-                                        gtk_canvas_simplerect_get_type(),
-                                        "x1", (double) 0.0,
-                                        "y1", (double) 0.0,
-                                        "y2", (double) trackview.height,
-                                        "outline_what", (guint32) 0,
-                                        "outline_color_rgba", color_map[cGhostTrackBaseOutline],
-                                        "fill_color_rgba", color_map[cGhostTrackBaseFill],
-                                        NULL);
+       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;
 
-       gtk_canvas_item_lower_to_bottom (group);
+       if (!is_automation_ghost()) {
+               base_rect->hide();
+       }
+
+       GhostRegion::set_colors();
 
-       atv.add_ghost (this);
+       /* the parent group of a ghostregion is a dedicated group for ghosts,
+          so the new ghost would want to get to the top of that group*/
+       group->raise_to_top ();
 }
 
 GhostRegion::~GhostRegion ()
 {
-       GoingAway (this);
-       gtk_object_destroy (GTK_OBJECT(group));
+       CatchDeletion (this);
+       delete base_rect;
+       delete group;
 }
 
 void
-GhostRegion::set_samples_per_unit (double spu)
+GhostRegion::set_duration (double units)
 {
-       for (vector<GtkCanvasItem*>::iterator i = waves.begin(); i != waves.end(); ++i) {
-               gtk_canvas_item_set ((*i), "samples_per_unit", spu, NULL);
-       }               
+       base_rect->property_x2() = units;
 }
 
 void
-GhostRegion::set_duration (double units)
+GhostRegion::set_height ()
 {
-       gtk_canvas_item_set (base_rect, "x2", units, NULL);
+       base_rect->property_y2() = (double) trackview.current_height();
 }
 
 void
-GhostRegion::set_height ()
+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();
+       }
+}
+
+guint
+GhostRegion::source_track_color(unsigned char alpha)
+{
+       Gdk::Color color = source_trackview.color();
+       return RGBA_TO_UINT (color.get_red() / 256, color.get_green() / 256, color.get_blue() / 256, alpha);
+}
+
+bool
+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)
+{
+
+}
+
+void
+AudioGhostRegion::set_samples_per_unit (double spu)
+{
+       for (vector<WaveView*>::iterator i = waves.begin(); i != waves.end(); ++i) {
+               (*i)->property_samples_per_unit() = spu;
+       }
+}
+
+void
+AudioGhostRegion::set_height ()
 {
        gdouble ht;
-       vector<GtkCanvasItem*>::iterator i;
+       vector<WaveView*>::iterator i;
        uint32_t n;
 
-       gtk_canvas_item_set (base_rect, "y2", (double) trackview.height, NULL);
+       GhostRegion::set_height();
+
+       ht = ((trackview.current_height()) / (double) waves.size());
 
-       ht = ((trackview.height) / (double) waves.size());
-       
        for (n = 0, i = waves.begin(); i != waves.end(); ++i, ++n) {
                gdouble yoff = n * ht;
-               gtk_canvas_item_set ((*i), "height", ht, "y", yoff, NULL);
+               (*i)->property_height() = ht;
+               (*i)->property_y() = yoff;
+       }
+}
+
+void
+AudioGhostRegion::set_colors ()
+{
+       GhostRegion::set_colors();
+       guint fill_color;
+
+       if (is_automation_ghost()) {
+               fill_color = ARDOUR_UI::config()->canvasvar_GhostTrackWaveFill.get();
+       }
+       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();
        }
 }
 
+/** The general constructor; called when the destination timeaxisview doesn't have
+ *  a midistreamview.
+ *
+ *  @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)
+       , _optimization_iterator (events.end ())
+{
+       base_rect->lower_to_bottom();
+       update_range ();
+
+       midi_view()->NoteRangeChanged.connect (sigc::mem_fun (*this, &MidiGhostRegion::update_range));
+}
+
+/**
+ *  @param msv MidiStreamView that this ghost region is on.
+ *  @param source_tv TimeAxisView that we are the ghost for.
+ */
+MidiGhostRegion::MidiGhostRegion(MidiStreamView& msv, TimeAxisView& source_tv, double initial_unit_pos)
+       : GhostRegion(msv.midi_underlay_group, msv.trackview(), source_tv, initial_unit_pos)
+       , _optimization_iterator (events.end ())
+{
+       base_rect->lower_to_bottom();
+       update_range ();
+
+       midi_view()->NoteRangeChanged.connect (sigc::mem_fun (*this, &MidiGhostRegion::update_range));
+}
+
+MidiGhostRegion::~MidiGhostRegion()
+{
+       clear_events ();
+}
+
+MidiGhostRegion::Event::Event (ArdourCanvas::CanvasNoteEvent* e, ArdourCanvas::Group* g)
+       : event (e)
+{
+       rect = new ArdourCanvas::SimpleRect (*g, e->x1(), e->y1(), e->x2(), e->y2());
+}
+
+MidiGhostRegion::Event::~Event ()
+{
+       /* event is not ours to delete */
+       delete rect;
+}
+
+void
+MidiGhostRegion::set_samples_per_unit (double /*spu*/)
+{
+}
+
+/** @return MidiStreamView that we are providing a ghost for */
+MidiStreamView*
+MidiGhostRegion::midi_view ()
+{
+       StreamView* sv = source_trackview.view ();
+       assert (sv);
+       MidiStreamView* msv = dynamic_cast<MidiStreamView*> (sv);
+       assert (msv);
+
+       return msv;
+}
+
+void
+MidiGhostRegion::set_height ()
+{
+       GhostRegion::set_height();
+       update_range();
+}
+
+void
+MidiGhostRegion::set_colors()
+{
+       guint fill = source_track_color(200);
+
+       GhostRegion::set_colors();
+
+       for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
+               (*it)->rect->property_fill_color_rgba() = fill;
+               (*it)->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackMidiOutline.get();
+       }
+}
+
+void
+MidiGhostRegion::update_range ()
+{
+       MidiStreamView* mv = midi_view();
+
+       if (!mv) {
+               return;
+       }
+
+       double const h = trackview.current_height() / double (mv->contents_note_range ());
+
+       for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
+               uint8_t const note_num = (*it)->event->note()->note();
+
+               if (note_num < mv->lowest_note() || note_num > mv->highest_note()) {
+                       (*it)->rect->hide();
+               } else {
+                       (*it)->rect->show();
+                       double const y = trackview.current_height() - (note_num + 1 - mv->lowest_note()) * h + 1;
+                       (*it)->rect->property_y1() = y;
+                       (*it)->rect->property_y2() = y + h;
+               }
+       }
+}
+
+void
+MidiGhostRegion::add_note(ArdourCanvas::CanvasNote* n)
+{
+       Event* event = new Event (n, group);
+       events.push_back (event);
+
+       event->rect->property_fill_color_rgba() = source_track_color(200);
+       event->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_GhostTrackMidiOutline.get();
+
+       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()) {
+                       event->rect->hide();
+               } else {
+                       const double y = mv->note_to_y(note_num);
+                       event->rect->property_y1() = y;
+                       event->rect->property_y2() = y + mv->note_height();
+               }
+       }
+}
+
+void
+MidiGhostRegion::clear_events()
+{
+       for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
+               delete *it;
+       }
+
+       events.clear();
+       _optimization_iterator = events.end ();
+}
+
+/** Update the x positions of our representation of a parent's note.
+ *  @param parent The CanvasNote from the parent MidiRegionView.
+ */
+void
+MidiGhostRegion::update_note (ArdourCanvas::CanvasNote* parent)
+{
+       Event* ev = find_event (parent);
+       if (!ev) {
+               return;
+       }
+
+       double const x1 = parent->property_x1 ();
+       double const x2 = parent->property_x2 ();
+       ev->rect->property_x1 () = x1;
+       ev->rect->property_x2 () = x2;
+}
+
+void
+MidiGhostRegion::remove_note (ArdourCanvas::CanvasNoteEvent* note)
+{
+       Event* ev = find_event (note);
+       if (!ev) {
+               return;
+       }
+
+       events.remove (ev);
+       delete ev;
+       _optimization_iterator = events.end ();
+}
+
+/** 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::Event *
+MidiGhostRegion::find_event (ArdourCanvas::CanvasNoteEvent* 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)->event == parent) {
+               return *_optimization_iterator;
+       }
+
+       for (_optimization_iterator = events.begin(); _optimization_iterator != events.end(); ++_optimization_iterator) {
+               if ((*_optimization_iterator)->event == parent) {
+                       return *_optimization_iterator;
+               }
+       }
+
+       return 0;
+}