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 "ardour/midi_region.h"
28 #include "ardour/midi_source.h"
30 #include "automation_streamview.h"
31 #include "region_view.h"
32 #include "automation_region_view.h"
33 #include "automation_time_axis.h"
34 #include "region_selection.h"
35 #include "selection.h"
36 #include "public_editor.h"
37 #include "ardour_ui.h"
38 #include "rgb_macros.h"
39 #include "gui_thread.h"
43 using namespace ARDOUR;
45 using namespace Editing;
47 AutomationStreamView::AutomationStreamView (AutomationTimeAxisView& tv)
48 : StreamView (*dynamic_cast<RouteTimeAxisView*>(tv.get_parent()))
49 , _automation_view(tv)
50 , _pending_automation_state (Off)
52 //canvas_rect->property_fill_color_rgba() = stream_base_color;
53 canvas_rect->set_outline_color (RGBA_BLACK);
56 AutomationStreamView::~AutomationStreamView ()
62 AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool wfd, bool /*recording*/)
67 boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
69 mr->midi_source()->load_model();
73 const boost::shared_ptr<AutomationControl> control = boost::dynamic_pointer_cast<AutomationControl> (
74 region->control (_automation_view.parameter(), true)
77 boost::shared_ptr<AutomationList> list;
79 list = boost::dynamic_pointer_cast<AutomationList>(control->list());
80 assert(!control->list() || list);
83 AutomationRegionView *region_view;
84 std::list<RegionView *>::iterator i;
86 for (i = region_views.begin(); i != region_views.end(); ++i) {
87 if ((*i)->region() == region) {
89 /* great. we already have an AutomationRegionView for this Region. use it again. */
90 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*>(*i);;
93 arv->line()->set_list (list);
95 (*i)->set_valid (true);
96 (*i)->enable_display(wfd);
103 region_view = new AutomationRegionView (
104 _canvas_group, _automation_view, region,
105 _automation_view.parameter (), list,
106 _samples_per_pixel, region_color
109 region_view->init (region_color, false);
110 region_views.push_front (region_view);
112 /* follow global waveform setting */
115 region_view->enable_display(true);
116 //region_view->midi_region()->midi_source(0)->load_model();
119 display_region(region_view);
121 /* catch regionview going away */
122 region->DropReferences.connect (*this, invalidator (*this), boost::bind (&AutomationStreamView::remove_region_view, this, boost::weak_ptr<Region>(region)), gui_context());
124 /* setup automation state for this region */
125 boost::shared_ptr<AutomationLine> line = region_view->line ();
126 if (line && line->the_list()) {
127 line->the_list()->set_automation_state (automation_state ());
130 RegionViewAdded (region_view);
136 AutomationStreamView::display_region(AutomationRegionView* region_view)
138 region_view->line().reset();
142 AutomationStreamView::set_automation_state (AutoState state)
144 /* Setting the automation state for this view sets the state of all regions' lists to the same thing */
146 if (region_views.empty()) {
147 _pending_automation_state = state;
149 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
151 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
152 if ((*i)->the_list()) {
153 (*i)->the_list()->set_automation_state (state);
160 AutomationStreamView::redisplay_track ()
162 // Flag region views as invalid and disable drawing
163 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
164 (*i)->set_valid (false);
165 (*i)->enable_display(false);
168 // Add and display region views, and flag them as valid
169 if (_trackview.is_track()) {
170 _trackview.track()->playlist()->foreach_region (
171 sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
175 // Stack regions by layer, and remove invalid regions
181 AutomationStreamView::setup_rec_box ()
186 AutomationStreamView::color_handler ()
188 /*if (_trackview.is_midi_track()) {
189 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->get_canvasvar_MidiTrackBase();
192 if (!_trackview.is_midi_track()) {
193 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->get_canvasvar_MidiBusBase();;
198 AutomationStreamView::automation_state () const
200 if (region_views.empty()) {
201 return _pending_automation_state;
204 boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*) region_views.front())->line ();
205 if (!line || !line->the_list()) {
209 return line->the_list()->automation_state ();
213 AutomationStreamView::has_automation () const
215 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
217 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
218 if ((*i)->npoints() > 0) {
226 /** Our parent AutomationTimeAxisView calls this when the user requests a particular
227 * InterpolationStyle; tell the AutomationLists in our regions.
230 AutomationStreamView::set_interpolation (AutomationList::InterpolationStyle s)
232 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
234 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
235 (*i)->the_list()->set_interpolation (s);
239 AutomationList::InterpolationStyle
240 AutomationStreamView::interpolation () const
242 if (region_views.empty()) {
243 return AutomationList::Linear;
246 AutomationRegionView* v = dynamic_cast<AutomationRegionView*> (region_views.front());
248 return v->line()->the_list()->interpolation ();
250 return AutomationList::Linear;
253 /** Clear all automation displayed in this view */
255 AutomationStreamView::clear ()
257 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
259 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
264 /** @param start Start position in session frames.
265 * @param end End position in session frames.
266 * @param bot Bottom position expressed as a fraction of track height where 0 is the bottom of the track.
267 * @param top Top position expressed as a fraction of track height where 0 is the bottom of the track.
268 * NOTE: this y system is different to that for the StreamView method that this overrides, which is a little
272 AutomationStreamView::get_selectables (framepos_t start, framepos_t end, double botfrac, double topfrac, list<Selectable*>& results)
274 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
275 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
277 arv->line()->get_selectables (start, end, botfrac, topfrac, results);
282 AutomationStreamView::set_selected_points (PointSelection& ps)
284 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
286 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
287 (*i)->set_selected_points (ps);
291 list<boost::shared_ptr<AutomationLine> >
292 AutomationStreamView::get_lines () const
294 list<boost::shared_ptr<AutomationLine> > lines;
296 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
297 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
299 lines.push_back (arv->line());
305 struct RegionPositionSorter {
306 bool operator() (RegionView* a, RegionView* b) {
307 return a->region()->position() < b->region()->position();
312 /** @param pos Position, in session frames.
313 * @return AutomationLine to paste to for that position, or 0 if there is none appropriate.
315 boost::shared_ptr<AutomationLine>
316 AutomationStreamView::paste_line (framepos_t pos)
318 /* XXX: not sure how best to pick this; for now, just use the last region which starts before pos */
320 if (region_views.empty()) {
321 return boost::shared_ptr<AutomationLine> ();
324 region_views.sort (RegionPositionSorter ());
326 list<RegionView*>::const_iterator prev = region_views.begin ();
328 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
329 if ((*i)->region()->position() > pos) {
335 boost::shared_ptr<Region> r = (*prev)->region ();
337 /* If *prev doesn't cover pos, it's no good */
338 if (r->position() > pos || ((r->position() + r->length()) < pos)) {
339 return boost::shared_ptr<AutomationLine> ();
342 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*prev);