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.
26 #include "gtkmm2ext/gtk_ui.h"
28 #include "pbd/compose.h"
29 #include "canvas/debug.h"
31 #include "ardour/midi_region.h"
32 #include "ardour/midi_source.h"
34 #include "ardour_ui.h"
35 #include "automation_region_view.h"
36 #include "automation_streamview.h"
37 #include "automation_time_axis.h"
38 #include "global_signals.h"
39 #include "gui_thread.h"
40 #include "public_editor.h"
41 #include "region_selection.h"
42 #include "region_view.h"
43 #include "rgb_macros.h"
44 #include "selection.h"
47 using namespace ARDOUR;
48 using namespace ARDOUR_UI_UTILS;
50 using namespace Editing;
52 AutomationStreamView::AutomationStreamView (AutomationTimeAxisView& tv)
53 : StreamView (*dynamic_cast<RouteTimeAxisView*>(tv.get_parent()),
55 , _automation_view(tv)
56 , _pending_automation_state (Off)
58 CANVAS_DEBUG_NAME (_canvas_group, string_compose ("SV canvas group auto %1", tv.name()));
59 CANVAS_DEBUG_NAME (canvas_rect, string_compose ("SV canvas rectangle auto %1", tv.name()));
63 ColorsChanged.connect(sigc::mem_fun(*this, &AutomationStreamView::color_handler));
66 AutomationStreamView::~AutomationStreamView ()
72 AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool wait_for_data, bool /*recording*/)
77 boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
79 Source::Lock lock(mr->midi_source()->mutex());
80 mr->midi_source()->load_model(lock);
84 const boost::shared_ptr<AutomationControl> control = boost::dynamic_pointer_cast<AutomationControl> (
85 region->control (_automation_view.parameter(), true)
88 boost::shared_ptr<AutomationList> list;
90 list = boost::dynamic_pointer_cast<AutomationList>(control->list());
91 assert(!control->list() || list);
94 AutomationRegionView *region_view;
95 std::list<RegionView *>::iterator i;
97 for (i = region_views.begin(); i != region_views.end(); ++i) {
98 if ((*i)->region() == region) {
100 /* great. we already have an AutomationRegionView for this Region. use it again. */
101 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*>(*i);;
104 arv->line()->set_list (list);
106 (*i)->set_valid (true);
107 (*i)->enable_display (wait_for_data);
114 region_view = new AutomationRegionView (
115 _canvas_group, _automation_view, region,
116 _automation_view.parameter (), list,
117 _samples_per_pixel, region_color
120 region_view->init (false);
121 region_views.push_front (region_view);
123 /* follow global waveform setting */
126 region_view->enable_display(true);
127 // region_view->midi_region()->midi_source(0)->load_model();
130 display_region (region_view);
132 /* catch regionview going away */
133 region->DropReferences.connect (*this, invalidator (*this), boost::bind (&AutomationStreamView::remove_region_view, this, boost::weak_ptr<Region>(region)), gui_context());
135 /* setup automation state for this region */
136 boost::shared_ptr<AutomationLine> line = region_view->line ();
137 if (line && line->the_list()) {
138 line->the_list()->set_automation_state (automation_state ());
141 RegionViewAdded (region_view);
147 AutomationStreamView::display_region(AutomationRegionView* region_view)
149 region_view->line().reset();
153 AutomationStreamView::set_automation_state (AutoState state)
155 /* Setting the automation state for this view sets the state of all regions' lists to the same thing */
157 if (region_views.empty()) {
158 _pending_automation_state = state;
160 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
162 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
163 if ((*i)->the_list()) {
164 (*i)->the_list()->set_automation_state (state);
171 AutomationStreamView::redisplay_track ()
173 // Flag region views as invalid and disable drawing
174 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
175 (*i)->set_valid (false);
176 (*i)->enable_display(false);
179 // Add and display region views, and flag them as valid
180 if (_trackview.is_track()) {
181 _trackview.track()->playlist()->foreach_region (
182 sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
186 // Stack regions by layer, and remove invalid regions
192 AutomationStreamView::setup_rec_box ()
197 AutomationStreamView::color_handler ()
199 if (_trackview.is_midi_track()) {
200 canvas_rect->set_fill_color (ARDOUR_UI::config()->color_mod ("midi track base", "midi track base"));
202 canvas_rect->set_fill_color (ARDOUR_UI::config()->color ("midi bus base"));
207 AutomationStreamView::automation_state () const
209 if (region_views.empty()) {
210 return _pending_automation_state;
213 boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*) region_views.front())->line ();
214 if (!line || !line->the_list()) {
218 return line->the_list()->automation_state ();
222 AutomationStreamView::has_automation () const
224 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
226 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
227 if ((*i)->npoints() > 0) {
235 /** Our parent AutomationTimeAxisView calls this when the user requests a particular
236 * InterpolationStyle; tell the AutomationLists in our regions.
239 AutomationStreamView::set_interpolation (AutomationList::InterpolationStyle s)
241 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
243 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
244 (*i)->the_list()->set_interpolation (s);
248 AutomationList::InterpolationStyle
249 AutomationStreamView::interpolation () const
251 if (region_views.empty()) {
252 return AutomationList::Linear;
255 AutomationRegionView* v = dynamic_cast<AutomationRegionView*> (region_views.front());
257 return v->line()->the_list()->interpolation ();
259 return AutomationList::Linear;
262 /** Clear all automation displayed in this view */
264 AutomationStreamView::clear ()
266 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
268 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
273 /** @param start Start position in session frames.
274 * @param end End position in session frames.
275 * @param bot Bottom position expressed as a fraction of track height where 0 is the bottom of the track.
276 * @param top Top position expressed as a fraction of track height where 0 is the bottom of the track.
277 * NOTE: this y system is different to that for the StreamView method that this overrides, which is a little
281 AutomationStreamView::get_selectables (framepos_t start, framepos_t end, double botfrac, double topfrac, list<Selectable*>& results)
283 if (!_trackview.editor().internal_editing()) {
284 return; // TODO: selection of automation regions
286 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
287 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
289 arv->line()->get_selectables (start, end, botfrac, topfrac, results);
294 AutomationStreamView::set_selected_points (PointSelection& ps)
296 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
298 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
299 (*i)->set_selected_points (ps);
303 list<boost::shared_ptr<AutomationLine> >
304 AutomationStreamView::get_lines () const
306 list<boost::shared_ptr<AutomationLine> > lines;
308 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
309 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
311 lines.push_back (arv->line());
317 struct RegionPositionSorter {
318 bool operator() (RegionView* a, RegionView* b) {
319 return a->region()->position() < b->region()->position();
325 AutomationStreamView::paste (framepos_t pos,
326 unsigned paste_count,
328 boost::shared_ptr<ARDOUR::AutomationList> alist)
330 /* XXX: not sure how best to pick this; for now, just use the last region which starts before pos */
332 if (region_views.empty()) {
336 region_views.sort (RegionPositionSorter ());
338 list<RegionView*>::const_iterator prev = region_views.begin ();
340 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
341 if ((*i)->region()->position() > pos) {
347 boost::shared_ptr<Region> r = (*prev)->region ();
349 /* If *prev doesn't cover pos, it's no good */
350 if (r->position() > pos || ((r->position() + r->length()) < pos)) {
354 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*prev);
355 return arv ? arv->paste(pos, paste_count, times, alist) : false;