gtk2_ardour/automation_streamview.cc

   1 /*
   2     Copyright (C) 2001-2007 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17 */
  18
  19 #include <cmath>
  20 #include <cassert>
  21 #include <utility>
  22
  23 #include <gtkmm.h>
  24
  25 #include <gtkmm2ext/gtk_ui.h>
  26
  27 #include "ardour/midi_playlist.h"
  28 #include "ardour/midi_region.h"
  29 #include "ardour/midi_source.h"
  30 #include "ardour/midi_diskstream.h"
  31 #include "ardour/midi_track.h"
  32 #include "ardour/smf_source.h"
  33 #include "ardour/region_factory.h"
  34
  35 #include "automation_streamview.h"
  36 #include "region_view.h"
  37 #include "automation_region_view.h"
  38 #include "automation_time_axis.h"
  39 #include "canvas-simplerect.h"
  40 #include "region_selection.h"
  41 #include "selection.h"
  42 #include "public_editor.h"
  43 #include "ardour_ui.h"
  44 #include "rgb_macros.h"
  45 #include "gui_thread.h"
  46 #include "utils.h"
  47 #include "simplerect.h"
  48 #include "simpleline.h"
  49
  50 using namespace std;
  51 using namespace ARDOUR;
  52 using namespace PBD;
  53 using namespace Editing;
  54
  55 AutomationStreamView::AutomationStreamView (AutomationTimeAxisView& tv)
  56         : StreamView (*dynamic_cast<RouteTimeAxisView*>(tv.get_parent()),
  57                       new ArdourCanvas::Group(*tv.canvas_background()),
  58                       new ArdourCanvas::Group(*tv.canvas_display()))
  59         , _controller(tv.controller())
  60         , _automation_view(tv)
  61 {
  62         //canvas_rect->property_fill_color_rgba() = stream_base_color;
  63         canvas_rect->property_outline_color_rgba() = RGBA_BLACK;
  64 }
  65
  66 AutomationStreamView::~AutomationStreamView ()
  67 {
  68 }
  69
  70
  71 RegionView*
  72 AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool wfd, bool /*recording*/)
  73 {
  74         if ( ! region) {
  75                 cerr << "No region" << endl;
  76                 return NULL;
  77         }
  78
  79         if (wfd) {
  80                 boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
  81                 if (mr)
  82                         mr->midi_source()->load_model();
  83         }
  84
  85         const boost::shared_ptr<AutomationControl> control
  86                 = boost::dynamic_pointer_cast<AutomationControl>(
  87                                 region->control(_controller->controllable()->parameter()));
  88
  89         boost::shared_ptr<AutomationList> list;
  90         if (control) {
  91                 list = boost::dynamic_pointer_cast<AutomationList>(control->list());
  92                 assert(!control->list() || list);
  93         }
  94
  95         AutomationRegionView *region_view;
  96         std::list<RegionView *>::iterator i;
  97
  98         for (i = region_views.begin(); i != region_views.end(); ++i) {
  99                 if ((*i)->region() == region) {
 100
 101                         /* great. we already have an AutomationRegionView for this Region. use it again. */
 102                         AutomationRegionView* arv = dynamic_cast<AutomationRegionView*>(*i);;
 103
 104                         if (arv->line())
 105                                 arv->line()->set_list (list);
 106                         (*i)->set_valid (true);
 107                         (*i)->enable_display(wfd);
 108                         display_region(arv);
 109
 110                         return NULL;
 111                 }
 112         }
 113
 114         region_view = new AutomationRegionView (_canvas_group, _automation_view, region,
 115                         _controller->controllable()->parameter(), list,
 116                         _samples_per_unit, region_color);
 117
 118         region_view->init (region_color, false);
 119         region_views.push_front (region_view);
 120
 121         /* follow global waveform setting */
 122
 123         if (wfd) {
 124                 region_view->enable_display(true);
 125                 //region_view->midi_region()->midi_source(0)->load_model();
 126         }
 127
 128         display_region(region_view);
 129
 130         /* catch regionview going away */
 131         region->DropReferences.connect (*this, invalidator (*this), boost::bind (&AutomationStreamView::remove_region_view, this, boost::weak_ptr<Region>(region)), gui_context());
 132
 133         RegionViewAdded (region_view);
 134
 135         return region_view;
 136 }
 137
 138 void
 139 AutomationStreamView::display_region(AutomationRegionView* region_view)
 140 {
 141         region_view->line().reset();
 142 }
 143
 144 void
 145 AutomationStreamView::set_automation_state (AutoState state)
 146 {
 147         std::list<RegionView *>::iterator i;
 148         for (i = region_views.begin(); i != region_views.end(); ++i) {
 149                 boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*)(*i))->line();
 150                 if (line && line->the_list()) {
 151                         line->the_list()->set_automation_state (state);
 152                 }
 153         }
 154 }
 155
 156 void
 157 AutomationStreamView::redisplay_track ()
 158 {
 159         list<RegionView *>::iterator i, tmp;
 160
 161         // Flag region views as invalid and disable drawing
 162         for (i = region_views.begin(); i != region_views.end(); ++i) {
 163                 (*i)->set_valid (false);
 164                 (*i)->enable_display(false);
 165         }
 166
 167         // Add and display region views, and flag them as valid
 168         if (_trackview.is_track()) {
 169                 _trackview.track()->playlist()->foreach_region (
 170                         sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
 171                         );
 172         }
 173
 174         // Stack regions by layer, and remove invalid regions
 175         layer_regions();
 176 }
 177
 178
 179 void
 180 AutomationStreamView::setup_rec_box ()
 181 {
 182 }
 183
 184 void
 185 AutomationStreamView::color_handler ()
 186 {
 187         /*if (_trackview.is_midi_track()) {
 188                 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
 189         }
 190
 191         if (!_trackview.is_midi_track()) {
 192                 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();;
 193         }*/
 194 }
 195
 196 AutoState
 197 AutomationStreamView::automation_state () const
 198 {
 199         /* XXX: bit of a hack: just return the state of our first RegionView */
 200
 201         if (region_views.empty()) {
 202                 return Off;
 203         }
 204
 205         boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*) region_views.front())->line ();
 206         if (!line || !line->the_list()) {
 207                 return Off;
 208         }
 209
 210         return line->the_list()->automation_state ();
 211 }
 212
 213 bool
 214 AutomationStreamView::has_automation () const
 215 {
 216         list<RegionView*>::const_iterator i = region_views.begin ();
 217         while (i != region_views.end()) {
 218                 AutomationRegionView* rv = static_cast<AutomationRegionView*> (*i);
 219                 if (rv->line() && rv->line()->npoints() > 0) {
 220                         return true;
 221                 }
 222                 ++i;
 223         }
 224
 225         return false;
 226 }
 227
 228 void
 229 AutomationStreamView::set_interpolation (AutomationList::InterpolationStyle s)
 230 {
 231         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 232                 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
 233                 assert (arv);
 234                 if (arv->line()) {
 235                         arv->line()->set_interpolation (s);
 236                 }
 237         }
 238 }