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 "automation_streamview.h"
34 #include "region_view.h"
35 #include "automation_region_view.h"
36 #include "automation_time_axis.h"
37 #include "region_selection.h"
38 #include "selection.h"
39 #include "public_editor.h"
40 #include "ardour_ui.h"
41 #include "rgb_macros.h"
42 #include "gui_thread.h"
45 using namespace ARDOUR;
47 using namespace Editing;
49 AutomationStreamView::AutomationStreamView (AutomationTimeAxisView& tv)
50 : StreamView (*dynamic_cast<RouteTimeAxisView*>(tv.get_parent()),
52 , _automation_view(tv)
53 , _pending_automation_state (Off)
55 CANVAS_DEBUG_NAME (_canvas_group, string_compose ("SV canvas group auto %1", tv.name()));
56 CANVAS_DEBUG_NAME (canvas_rect, string_compose ("SV canvas rectangle auto %1", tv.name()));
58 canvas_rect->set_fill (false);
59 canvas_rect->set_outline_color (RGBA_BLACK);
62 AutomationStreamView::~AutomationStreamView ()
68 AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool wait_for_data, bool /*recording*/)
73 boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
75 mr->midi_source()->load_model();
79 const boost::shared_ptr<AutomationControl> control = boost::dynamic_pointer_cast<AutomationControl> (
80 region->control (_automation_view.parameter(), true)
83 boost::shared_ptr<AutomationList> list;
85 list = boost::dynamic_pointer_cast<AutomationList>(control->list());
86 assert(!control->list() || list);
89 AutomationRegionView *region_view;
90 std::list<RegionView *>::iterator i;
92 for (i = region_views.begin(); i != region_views.end(); ++i) {
93 if ((*i)->region() == region) {
95 /* great. we already have an AutomationRegionView for this Region. use it again. */
96 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*>(*i);;
99 arv->line()->set_list (list);
101 (*i)->set_valid (true);
102 (*i)->enable_display (wait_for_data);
109 region_view = new AutomationRegionView (
110 _canvas_group, _automation_view, region,
111 _automation_view.parameter (), list,
112 _samples_per_pixel, region_color
115 region_view->init (false);
116 region_views.push_front (region_view);
118 /* follow global waveform setting */
121 region_view->enable_display(true);
122 // region_view->midi_region()->midi_source(0)->load_model();
125 display_region (region_view);
127 /* catch regionview going away */
128 region->DropReferences.connect (*this, invalidator (*this), boost::bind (&AutomationStreamView::remove_region_view, this, boost::weak_ptr<Region>(region)), gui_context());
130 /* setup automation state for this region */
131 boost::shared_ptr<AutomationLine> line = region_view->line ();
132 if (line && line->the_list()) {
133 line->the_list()->set_automation_state (automation_state ());
136 RegionViewAdded (region_view);
142 AutomationStreamView::display_region(AutomationRegionView* region_view)
144 region_view->line().reset();
148 AutomationStreamView::set_automation_state (AutoState state)
150 /* Setting the automation state for this view sets the state of all regions' lists to the same thing */
152 if (region_views.empty()) {
153 _pending_automation_state = state;
155 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
157 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
158 if ((*i)->the_list()) {
159 (*i)->the_list()->set_automation_state (state);
166 AutomationStreamView::redisplay_track ()
168 // Flag region views as invalid and disable drawing
169 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
170 (*i)->set_valid (false);
171 (*i)->enable_display(false);
174 // Add and display region views, and flag them as valid
175 if (_trackview.is_track()) {
176 _trackview.track()->playlist()->foreach_region (
177 sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
181 // Stack regions by layer, and remove invalid regions
187 AutomationStreamView::setup_rec_box ()
192 AutomationStreamView::color_handler ()
194 /*if (_trackview.is_midi_track()) {
195 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->get_canvasvar_MidiTrackBase();
198 if (!_trackview.is_midi_track()) {
199 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->get_canvasvar_MidiBusBase();;
204 AutomationStreamView::automation_state () const
206 if (region_views.empty()) {
207 return _pending_automation_state;
210 boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*) region_views.front())->line ();
211 if (!line || !line->the_list()) {
215 return line->the_list()->automation_state ();
219 AutomationStreamView::has_automation () const
221 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
223 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
224 if ((*i)->npoints() > 0) {
232 /** Our parent AutomationTimeAxisView calls this when the user requests a particular
233 * InterpolationStyle; tell the AutomationLists in our regions.
236 AutomationStreamView::set_interpolation (AutomationList::InterpolationStyle s)
238 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
240 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
241 (*i)->the_list()->set_interpolation (s);
245 AutomationList::InterpolationStyle
246 AutomationStreamView::interpolation () const
248 if (region_views.empty()) {
249 return AutomationList::Linear;
252 AutomationRegionView* v = dynamic_cast<AutomationRegionView*> (region_views.front());
254 return v->line()->the_list()->interpolation ();
256 return AutomationList::Linear;
259 /** Clear all automation displayed in this view */
261 AutomationStreamView::clear ()
263 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
265 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
270 /** @param start Start position in session frames.
271 * @param end End position in session frames.
272 * @param bot Bottom position expressed as a fraction of track height where 0 is the bottom of the track.
273 * @param top Top position expressed as a fraction of track height where 0 is the bottom of the track.
274 * NOTE: this y system is different to that for the StreamView method that this overrides, which is a little
278 AutomationStreamView::get_selectables (framepos_t start, framepos_t end, double botfrac, double topfrac, list<Selectable*>& results)
280 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
281 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
283 arv->line()->get_selectables (start, end, botfrac, topfrac, results);
288 AutomationStreamView::set_selected_points (PointSelection& ps)
290 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
292 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
293 (*i)->set_selected_points (ps);
297 list<boost::shared_ptr<AutomationLine> >
298 AutomationStreamView::get_lines () const
300 list<boost::shared_ptr<AutomationLine> > lines;
302 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
303 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
305 lines.push_back (arv->line());
311 struct RegionPositionSorter {
312 bool operator() (RegionView* a, RegionView* b) {
313 return a->region()->position() < b->region()->position();
318 /** @param pos Position, in session frames.
319 * @return AutomationLine to paste to for that position, or 0 if there is none appropriate.
321 boost::shared_ptr<AutomationLine>
322 AutomationStreamView::paste_line (framepos_t pos)
324 /* XXX: not sure how best to pick this; for now, just use the last region which starts before pos */
326 if (region_views.empty()) {
327 return boost::shared_ptr<AutomationLine> ();
330 region_views.sort (RegionPositionSorter ());
332 list<RegionView*>::const_iterator prev = region_views.begin ();
334 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
335 if ((*i)->region()->position() > pos) {
341 boost::shared_ptr<Region> r = (*prev)->region ();
343 /* If *prev doesn't cover pos, it's no good */
344 if (r->position() > pos || ((r->position() + r->length()) < pos)) {
345 return boost::shared_ptr<AutomationLine> ();
348 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*prev);