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_display()))
  58         , _controller(tv.controller())
  59         , _automation_view(tv)
  60 {
  61         //canvas_rect->property_fill_color_rgba() = stream_base_color;
  62         canvas_rect->property_outline_color_rgba() = RGBA_BLACK;
  63 }
  64
  65 AutomationStreamView::~AutomationStreamView ()
  66 {
  67 }
  68
  69
  70 RegionView*
  71 AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool wfd, bool /*recording*/)
  72 {
  73         if ( ! region) {
  74                 cerr << "No region" << endl;
  75                 return NULL;
  76         }
  77
  78         if (wfd) {
  79                 boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
  80                 if (mr)
  81                         mr->midi_source()->load_model();
  82         }
  83
  84         const boost::shared_ptr<AutomationControl> control
  85                 = boost::dynamic_pointer_cast<AutomationControl>(
  86                                 region->control(_controller->controllable()->parameter()));
  87
  88         boost::shared_ptr<AutomationList> list;
  89         if (control) {
  90                 list = boost::dynamic_pointer_cast<AutomationList>(control->list());
  91                 assert(!control->list() || list);
  92         }
  93
  94         AutomationRegionView *region_view;
  95         std::list<RegionView *>::iterator i;
  96
  97         for (i = region_views.begin(); i != region_views.end(); ++i) {
  98                 if ((*i)->region() == region) {
  99
 100                         /* great. we already have an AutomationRegionView for this Region. use it again. */
 101                         AutomationRegionView* arv = dynamic_cast<AutomationRegionView*>(*i);;
 102
 103                         if (arv->line())
 104                                 arv->line()->set_list (list);
 105                         (*i)->set_valid (true);
 106                         (*i)->enable_display(wfd);
 107                         display_region(arv);
 108
 109                         return NULL;
 110                 }
 111         }
 112
 113         region_view = new AutomationRegionView (_canvas_group, _automation_view, region,
 114                         _controller->controllable()->parameter(), list,
 115                         _samples_per_unit, region_color);
 116
 117         region_view->init (region_color, false);
 118         region_views.push_front (region_view);
 119
 120         /* follow global waveform setting */
 121
 122         if (wfd) {
 123                 region_view->enable_display(true);
 124                 //region_view->midi_region()->midi_source(0)->load_model();
 125         }
 126
 127         display_region(region_view);
 128
 129         /* catch regionview going away */
 130         region->DropReferences.connect (*this, invalidator (*this), boost::bind (&AutomationStreamView::remove_region_view, this, boost::weak_ptr<Region>(region)), gui_context());
 131
 132         RegionViewAdded (region_view);
 133
 134         return region_view;
 135 }
 136
 137 void
 138 AutomationStreamView::display_region(AutomationRegionView* region_view)
 139 {
 140         region_view->line().reset();
 141 }
 142
 143 void
 144 AutomationStreamView::set_automation_state (AutoState state)
 145 {
 146         std::list<RegionView *>::iterator i;
 147         for (i = region_views.begin(); i != region_views.end(); ++i) {
 148                 boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*)(*i))->line();
 149                 if (line && line->the_list()) {
 150                         line->the_list()->set_automation_state (state);
 151                 }
 152         }
 153 }
 154
 155 void
 156 AutomationStreamView::redisplay_track ()
 157 {
 158         list<RegionView *>::iterator i, tmp;
 159
 160         // Flag region views as invalid and disable drawing
 161         for (i = region_views.begin(); i != region_views.end(); ++i) {
 162                 (*i)->set_valid (false);
 163                 (*i)->enable_display(false);
 164         }
 165
 166         // Add and display region views, and flag them as valid
 167         if (_trackview.is_track()) {
 168                 _trackview.track()->playlist()->foreach_region (
 169                         sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
 170                         );
 171         }
 172
 173         // Stack regions by layer, and remove invalid regions
 174         layer_regions();
 175 }
 176
 177
 178 void
 179 AutomationStreamView::setup_rec_box ()
 180 {
 181 }
 182
 183 void
 184 AutomationStreamView::color_handler ()
 185 {
 186         /*if (_trackview.is_midi_track()) {
 187                 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
 188         }
 189
 190         if (!_trackview.is_midi_track()) {
 191                 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();;
 192         }*/
 193 }
 194
 195 AutoState
 196 AutomationStreamView::automation_state () const
 197 {
 198         /* XXX: bit of a hack: just return the state of our first RegionView */
 199
 200         if (region_views.empty()) {
 201                 return Off;
 202         }
 203
 204         boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*) region_views.front())->line ();
 205         if (!line || !line->the_list()) {
 206                 return Off;
 207         }
 208
 209         return line->the_list()->automation_state ();
 210 }