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 new ArdourCanvas::Group (tv.canvas_background()),
50 new ArdourCanvas::Group (tv.canvas_display()))
51 , _automation_view(tv)
52 , _pending_automation_state (Off)
54 //canvas_rect->property_fill_color_rgba() = stream_base_color;
55 canvas_rect->set_outline_color (RGBA_BLACK);
58 AutomationStreamView::~AutomationStreamView ()
64 AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool wfd, bool /*recording*/)
69 boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
71 mr->midi_source()->load_model();
75 const boost::shared_ptr<AutomationControl> control = boost::dynamic_pointer_cast<AutomationControl> (
76 region->control (_automation_view.parameter(), true)
79 boost::shared_ptr<AutomationList> list;
81 list = boost::dynamic_pointer_cast<AutomationList>(control->list());
82 assert(!control->list() || list);
85 AutomationRegionView *region_view;
86 std::list<RegionView *>::iterator i;
88 for (i = region_views.begin(); i != region_views.end(); ++i) {
89 if ((*i)->region() == region) {
91 /* great. we already have an AutomationRegionView for this Region. use it again. */
92 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*>(*i);;
95 arv->line()->set_list (list);
97 (*i)->set_valid (true);
98 (*i)->enable_display(wfd);
105 region_view = new AutomationRegionView (
106 _canvas_group, _automation_view, region,
107 _automation_view.parameter (), list,
108 _frames_per_pixel, region_color
111 region_view->init (region_color, false);
112 region_views.push_front (region_view);
114 /* follow global waveform setting */
117 region_view->enable_display(true);
118 //region_view->midi_region()->midi_source(0)->load_model();
121 display_region(region_view);
123 /* catch regionview going away */
124 region->DropReferences.connect (*this, invalidator (*this), boost::bind (&AutomationStreamView::remove_region_view, this, boost::weak_ptr<Region>(region)), gui_context());
126 /* setup automation state for this region */
127 boost::shared_ptr<AutomationLine> line = region_view->line ();
128 if (line && line->the_list()) {
129 line->the_list()->set_automation_state (automation_state ());
132 RegionViewAdded (region_view);
138 AutomationStreamView::display_region(AutomationRegionView* region_view)
140 region_view->line().reset();
144 AutomationStreamView::set_automation_state (AutoState state)
146 /* Setting the automation state for this view sets the state of all regions' lists to the same thing */
148 if (region_views.empty()) {
149 _pending_automation_state = state;
151 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
153 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
154 if ((*i)->the_list()) {
155 (*i)->the_list()->set_automation_state (state);
162 AutomationStreamView::redisplay_track ()
164 // Flag region views as invalid and disable drawing
165 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
166 (*i)->set_valid (false);
167 (*i)->enable_display(false);
170 // Add and display region views, and flag them as valid
171 if (_trackview.is_track()) {
172 _trackview.track()->playlist()->foreach_region (
173 sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
177 // Stack regions by layer, and remove invalid regions
183 AutomationStreamView::setup_rec_box ()
188 AutomationStreamView::color_handler ()
190 /*if (_trackview.is_midi_track()) {
191 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
194 if (!_trackview.is_midi_track()) {
195 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();;
200 AutomationStreamView::automation_state () const
202 if (region_views.empty()) {
203 return _pending_automation_state;
206 boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*) region_views.front())->line ();
207 if (!line || !line->the_list()) {
211 return line->the_list()->automation_state ();
215 AutomationStreamView::has_automation () const
217 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
219 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
220 if ((*i)->npoints() > 0) {
228 /** Our parent AutomationTimeAxisView calls this when the user requests a particular
229 * InterpolationStyle; tell the AutomationLists in our regions.
232 AutomationStreamView::set_interpolation (AutomationList::InterpolationStyle s)
234 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
236 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
237 (*i)->the_list()->set_interpolation (s);
241 AutomationList::InterpolationStyle
242 AutomationStreamView::interpolation () const
244 if (region_views.empty()) {
245 return AutomationList::Linear;
248 AutomationRegionView* v = dynamic_cast<AutomationRegionView*> (region_views.front());
250 return v->line()->the_list()->interpolation ();
252 return AutomationList::Linear;
255 /** Clear all automation displayed in this view */
257 AutomationStreamView::clear ()
259 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
261 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
266 /** @param start Start position in session frames.
267 * @param end End position in session frames.
268 * @param bot Bottom position expressed as a fraction of track height where 0 is the bottom of the track.
269 * @param top Top position expressed as a fraction of track height where 0 is the bottom of the track.
270 * NOTE: this y system is different to that for the StreamView method that this overrides, which is a little
274 AutomationStreamView::get_selectables (framepos_t start, framepos_t end, double botfrac, double topfrac, list<Selectable*>& results)
276 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
277 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
279 arv->line()->get_selectables (start, end, botfrac, topfrac, results);
284 AutomationStreamView::set_selected_points (PointSelection& ps)
286 list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
288 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
289 (*i)->set_selected_points (ps);
293 list<boost::shared_ptr<AutomationLine> >
294 AutomationStreamView::get_lines () const
296 list<boost::shared_ptr<AutomationLine> > lines;
298 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
299 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
301 lines.push_back (arv->line());
307 struct RegionPositionSorter {
308 bool operator() (RegionView* a, RegionView* b) {
309 return a->region()->position() < b->region()->position();
314 /** @param pos Position, in session frames.
315 * @return AutomationLine to paste to for that position, or 0 if there is none appropriate.
317 boost::shared_ptr<AutomationLine>
318 AutomationStreamView::paste_line (framepos_t pos)
320 /* XXX: not sure how best to pick this; for now, just use the last region which starts before pos */
322 if (region_views.empty()) {
323 return boost::shared_ptr<AutomationLine> ();
326 region_views.sort (RegionPositionSorter ());
328 list<RegionView*>::const_iterator prev = region_views.begin ();
330 for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
331 if ((*i)->region()->position() > pos) {
337 boost::shared_ptr<Region> r = (*prev)->region ();
339 /* If *prev doesn't cover pos, it's no good */
340 if (r->position() > pos || ((r->position() + r->length()) < pos)) {
341 return boost::shared_ptr<AutomationLine> ();
344 AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*prev);