2 Copyright (C) 2001-2007 Paul Davis
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.
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.
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.
25 #include "gtkmm2ext/gtk_ui.h"
27 #include "pbd/compose.h"
28 #include "canvas/debug.h"
30 #include "ardour/midi_region.h"
31 #include "ardour/midi_source.h"
33 #include "ardour_ui.h"
34 #include "automation_region_view.h"
35 #include "automation_streamview.h"
36 #include "automation_time_axis.h"
37 #include "global_signals.h"
38 #include "gui_thread.h"
39 #include "public_editor.h"
40 #include "region_selection.h"
41 #include "region_view.h"
42 #include "rgb_macros.h"
43 #include "selection.h"
48 using namespace ARDOUR;
49 using namespace ARDOUR_UI_UTILS;
51 using namespace Editing;
53 AutomationStreamView::AutomationStreamView (AutomationTimeAxisView& tv)
54 : StreamView (*dynamic_cast<RouteTimeAxisView*>(tv.get_parent()),
56 , _automation_view(tv)
57 , _pending_automation_state (Off)
59 CANVAS_DEBUG_NAME (_canvas_group, string_compose ("SV canvas group auto %1", tv.name()));
60 CANVAS_DEBUG_NAME (canvas_rect, string_compose ("SV canvas rectangle auto %1", tv.name()));
64 ColorsChanged.connect(sigc::mem_fun(*this, &AutomationStreamView::color_handler));
67 AutomationStreamView::~AutomationStreamView ()
73 AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool wait_for_data, bool /*recording*/)
80 boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
82 Source::Lock lock(mr->midi_source()->mutex());
83 mr->midi_source()->load_model(lock);
87 const boost::shared_ptr<AutomationControl> control = boost::dynamic_pointer_cast<AutomationControl> (
88 region->control (_automation_view.parameter(), true)
91 boost::shared_ptr<AutomationList> list;
93 list = boost::dynamic_pointer_cast<AutomationList>(control->list());
94 if (control->list() && !list) {
95 error << _("unable to display automation region for control without list") << endmsg;
100 AutomationRegionView *region_view;
101 std::list<RegionView *>::iterator i;
103 for (i = region_views.begin(); i != region_views.end(); ++i) {
104 if ((*i)->region() == region) {
106 /* great. we already have an AutomationRegionView for this Region. use it again. */
107 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*>(*i);;
110 arv->line()->set_list (list);
112 (*i)->set_valid (true);
113 (*i)->enable_display (wait_for_data);
120 region_view = new AutomationRegionView (
121 _canvas_group, _automation_view, region,
122 _automation_view.parameter (), list,
123 _samples_per_pixel, region_color
126 region_view->init (false);
127 region_views.push_front (region_view);
129 /* follow global waveform setting */
132 region_view->enable_display(true);
133 // region_view->midi_region()->midi_source(0)->load_model();
136 display_region (region_view);
138 /* catch regionview going away */
139 region->DropReferences.connect (*this, invalidator (*this), boost::bind (&AutomationStreamView::remove_region_view, this, boost::weak_ptr<Region>(region)), gui_context());
141 /* setup automation state for this region */
142 boost::shared_ptr<AutomationLine> line = region_view->line ();
143 if (line && line->the_list()) {
144 line->the_list()->set_automation_state (automation_state ());
147 RegionViewAdded (region_view);
153 AutomationStreamView::display_region(AutomationRegionView* region_view)
155 region_view->line().reset();
159 AutomationStreamView::set_automation_state (AutoState state)
161 /* Setting the automation state for this view sets the state of all regions' lists to the same thing */
163 if (region_views.empty()) {
164 _pending_automation_state = state;
166 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
168 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
169 if ((*i)->the_list()) {
170 (*i)->the_list()->set_automation_state (state);
177 AutomationStreamView::redisplay_track ()
179 // Flag region views as invalid and disable drawing
180 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
181 (*i)->set_valid (false);
182 (*i)->enable_display(false);
185 // Add and display region views, and flag them as valid
186 if (_trackview.is_track()) {
187 _trackview.track()->playlist()->foreach_region (
188 sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
192 // Stack regions by layer, and remove invalid regions
198 AutomationStreamView::setup_rec_box ()
203 AutomationStreamView::color_handler ()
205 if (_trackview.is_midi_track()) {
206 canvas_rect->set_fill_color (ARDOUR_UI::config()->color_mod ("midi track base", "midi track base"));
208 canvas_rect->set_fill_color (ARDOUR_UI::config()->color ("midi bus base"));
213 AutomationStreamView::automation_state () const
215 if (region_views.empty()) {
216 return _pending_automation_state;
219 boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*) region_views.front())->line ();
220 if (!line || !line->the_list()) {
224 return line->the_list()->automation_state ();
228 AutomationStreamView::has_automation () const
230 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
232 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
233 if ((*i)->npoints() > 0) {
241 /** Our parent AutomationTimeAxisView calls this when the user requests a particular
242 * InterpolationStyle; tell the AutomationLists in our regions.
245 AutomationStreamView::set_interpolation (AutomationList::InterpolationStyle s)
247 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
249 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
250 (*i)->the_list()->set_interpolation (s);
254 AutomationList::InterpolationStyle
255 AutomationStreamView::interpolation () const
257 if (region_views.empty()) {
258 return AutomationList::Linear;
261 AutomationRegionView* v = dynamic_cast<AutomationRegionView*> (region_views.front());
263 return v->line()->the_list()->interpolation ();
265 return AutomationList::Linear;
268 /** Clear all automation displayed in this view */
270 AutomationStreamView::clear ()
272 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
274 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
279 /** @param start Start position in session frames.
280 * @param end End position in session frames.
281 * @param bot Bottom position expressed as a fraction of track height where 0 is the bottom of the track.
282 * @param top Top position expressed as a fraction of track height where 0 is the bottom of the track.
283 * NOTE: this y system is different to that for the StreamView method that this overrides, which is a little
287 AutomationStreamView::get_selectables (framepos_t start, framepos_t end, double botfrac, double topfrac, list<Selectable*>& results, bool /*within*/)
289 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
290 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
292 arv->line()->get_selectables (start, end, botfrac, topfrac, results);
298 AutomationStreamView::set_selected_points (PointSelection& ps)
300 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
302 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
303 (*i)->set_selected_points (ps);
307 list<boost::shared_ptr<AutomationLine> >
308 AutomationStreamView::get_lines () const
310 list<boost::shared_ptr<AutomationLine> > lines;
312 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
313 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
315 lines.push_back (arv->line());
323 AutomationStreamView::paste (framepos_t pos,
324 unsigned paste_count,
326 boost::shared_ptr<ARDOUR::AutomationList> alist)
328 /* XXX: not sure how best to pick this; for now, just use the last region which starts before pos */
330 if (region_views.empty()) {
334 region_views.sort (RegionView::PositionOrder());
336 list<RegionView*>::const_iterator prev = region_views.begin ();
338 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
339 if ((*i)->region()->position() > pos) {
345 boost::shared_ptr<Region> r = (*prev)->region ();
347 /* If *prev doesn't cover pos, it's no good */
348 if (r->position() > pos || ((r->position() + r->length()) < pos)) {
352 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*prev);
353 return arv ? arv->paste(pos, paste_count, times, alist) : false;