2 Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
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.
20 #include "film_editor.h"
22 #include "timeline_time_axis_view.h"
23 #include "timeline_reels_view.h"
24 #include "timeline_labels_view.h"
25 #include "timeline_video_content_view.h"
26 #include "timeline_audio_content_view.h"
27 #include "timeline_subtitle_content_view.h"
28 #include "content_panel.h"
31 #include "lib/playlist.h"
32 #include "lib/image_content.h"
33 #include "lib/timer.h"
34 #include "lib/audio_content.h"
35 #include "lib/subtitle_content.h"
36 #include <wx/graphics.h>
37 #include <boost/weak_ptr.hpp>
38 #include <boost/foreach.hpp>
45 using boost::shared_ptr;
46 using boost::weak_ptr;
47 using boost::dynamic_pointer_cast;
49 using boost::optional;
51 Timeline::Timeline (wxWindow* parent, ContentPanel* cp, shared_ptr<Film> film)
52 : wxPanel (parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE)
55 , _time_axis_view (new TimelineTimeAxisView (*this, 64))
56 , _reels_view (new TimelineReelsView (*this, 32))
57 , _labels_view (new TimelineLabelsView (*this))
60 , _down_view_position (0)
66 SetDoubleBuffered (true);
69 Bind (wxEVT_PAINT, boost::bind (&Timeline::paint, this));
70 Bind (wxEVT_LEFT_DOWN, boost::bind (&Timeline::left_down, this, _1));
71 Bind (wxEVT_LEFT_UP, boost::bind (&Timeline::left_up, this, _1));
72 Bind (wxEVT_RIGHT_DOWN, boost::bind (&Timeline::right_down, this, _1));
73 Bind (wxEVT_MOTION, boost::bind (&Timeline::mouse_moved, this, _1));
74 Bind (wxEVT_SIZE, boost::bind (&Timeline::resized, this));
76 film_changed (Film::CONTENT);
78 SetMinSize (wxSize (640, tracks() * track_height() + 96));
80 _tracks_position = Position<int> (_labels_view->bbox().width, 32);
82 _film_changed_connection = film->Changed.connect (bind (&Timeline::film_changed, this, _1));
83 _film_content_changed_connection = film->ContentChanged.connect (bind (&Timeline::film_content_changed, this, _2, _3));
91 wxGraphicsContext* gc = wxGraphicsContext::Create (dc);
96 gc->SetAntialiasMode (wxANTIALIAS_DEFAULT);
98 BOOST_FOREACH (shared_ptr<TimelineView> i, _views) {
100 shared_ptr<TimelineContentView> ic = dynamic_pointer_cast<TimelineContentView> (i);
102 /* Find areas of overlap */
103 list<dcpomatic::Rect<int> > overlaps;
104 BOOST_FOREACH (shared_ptr<TimelineView> j, _views) {
105 shared_ptr<TimelineContentView> jc = dynamic_pointer_cast<TimelineContentView> (j);
106 /* No overlap with non-content views, views no different tracks, audio views or non-active views */
107 if (!ic || !jc || i == j || ic->track() != jc->track() || ic->track().get_value_or(2) >= 2 || !ic->active() || !jc->active()) {
111 optional<dcpomatic::Rect<int> > r = j->bbox().intersection (i->bbox());
113 overlaps.push_back (r.get ());
117 i->paint (gc, overlaps);
124 Timeline::film_changed (Film::Property p)
126 if (p == Film::CONTENT || p == Film::REEL_TYPE || p == Film::REEL_LENGTH) {
129 } else if (p == Film::CONTENT_ORDER) {
135 Timeline::recreate_views ()
137 shared_ptr<const Film> film = _film.lock ();
143 _views.push_back (_time_axis_view);
144 _views.push_back (_reels_view);
145 _views.push_back (_labels_view);
147 BOOST_FOREACH (shared_ptr<Content> i, film->content ()) {
149 _views.push_back (shared_ptr<TimelineView> (new TimelineVideoContentView (*this, i)));
152 shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (i);
153 if (ac && !ac->audio_mapping().mapped_output_channels().empty ()) {
154 _views.push_back (shared_ptr<TimelineView> (new TimelineAudioContentView (*this, i)));
158 _views.push_back (shared_ptr<TimelineView> (new TimelineSubtitleContentView (*this, i)));
163 setup_pixels_per_second ();
168 Timeline::film_content_changed (int property, bool frequent)
172 if (property == AudioContentProperty::AUDIO_STREAMS) {
174 } else if (!frequent) {
175 setup_pixels_per_second ();
181 Timeline::assign_tracks ()
183 for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
184 shared_ptr<TimelineContentView> c = dynamic_pointer_cast<TimelineContentView> (*i);
190 for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
191 shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
196 if (dynamic_pointer_cast<TimelineVideoContentView> (*i)) {
197 /* Video on tracks 0 and 1 (left and right eye) */
198 shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (cv->content ());
199 cv->set_track (vc->video_frame_type() == VIDEO_FRAME_TYPE_3D_RIGHT ? 1 : 0);
200 _tracks = max (_tracks, 2);
202 } else if (dynamic_pointer_cast<TimelineSubtitleContentView> (*i)) {
203 /* Subtitles on track 2 */
205 _tracks = max (_tracks, 3);
209 /* Audio on tracks 3 and up */
212 shared_ptr<Content> content = cv->content();
213 DCPTimePeriod content_period (content->position(), content->end());
216 TimelineViewList::iterator j = _views.begin();
217 while (j != _views.end()) {
218 shared_ptr<TimelineAudioContentView> test = dynamic_pointer_cast<TimelineAudioContentView> (*j);
224 shared_ptr<Content> test_content = test->content();
226 if (test && test->track() && test->track().get() == t) {
227 if (content_period.overlaps (DCPTimePeriod(test_content->position(), test_content->end()))) {
228 /* we have an overlap on track `t' */
237 if (j == _views.end ()) {
238 /* no overlap on `t' */
244 _tracks = max (_tracks, t + 1);
247 _time_axis_view->set_y (tracks() * track_height() + 64);
248 _reels_view->set_y (8);
252 Timeline::tracks () const
258 Timeline::setup_pixels_per_second ()
260 shared_ptr<const Film> film = _film.lock ();
261 if (!film || film->length() == DCPTime ()) {
265 _pixels_per_second = static_cast<double>(width() - tracks_position().x * 2) / film->length().seconds ();
268 shared_ptr<TimelineView>
269 Timeline::event_to_view (wxMouseEvent& ev)
271 /* Search backwards through views so that we find the uppermost one first */
272 TimelineViewList::reverse_iterator i = _views.rbegin();
273 Position<int> const p (ev.GetX(), ev.GetY());
274 while (i != _views.rend() && !(*i)->bbox().contains (p)) {
275 shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
279 if (i == _views.rend ()) {
280 return shared_ptr<TimelineView> ();
287 Timeline::left_down (wxMouseEvent& ev)
289 shared_ptr<TimelineView> view = event_to_view (ev);
290 shared_ptr<TimelineContentView> content_view = dynamic_pointer_cast<TimelineContentView> (view);
295 _down_view = content_view;
296 _down_view_position = content_view->content()->position ();
299 for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
300 shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
305 if (!ev.ShiftDown ()) {
306 cv->set_selected (view == *i);
310 if (content_view && ev.ShiftDown ()) {
311 content_view->set_selected (!content_view->selected ());
315 _down_point = ev.GetPosition ();
319 /* Pre-compute the points that we might snap to */
320 for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
321 shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
322 if (!cv || cv == _down_view || cv->content() == _down_view->content()) {
326 _start_snaps.push_back (cv->content()->position());
327 _end_snaps.push_back (cv->content()->position());
328 _start_snaps.push_back (cv->content()->end());
329 _end_snaps.push_back (cv->content()->end());
331 BOOST_FOREACH (DCPTime i, cv->content()->reel_split_points()) {
332 _start_snaps.push_back (i);
336 /* Tell everyone that things might change frequently during the drag */
337 _down_view->content()->set_change_signals_frequent (true);
342 Timeline::left_up (wxMouseEvent& ev)
347 _down_view->content()->set_change_signals_frequent (false);
348 _content_panel->set_selection (_down_view->content ());
351 set_position_from_event (ev);
353 /* Clear up up the stuff we don't do during drag */
355 setup_pixels_per_second ();
358 _start_snaps.clear ();
363 Timeline::mouse_moved (wxMouseEvent& ev)
369 set_position_from_event (ev);
373 Timeline::right_down (wxMouseEvent& ev)
375 shared_ptr<TimelineView> view = event_to_view (ev);
376 shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (view);
381 if (!cv->selected ()) {
383 cv->set_selected (true);
386 _menu.popup (_film, selected_content (), selected_views (), ev.GetPosition ());
390 Timeline::maybe_snap (DCPTime a, DCPTime b, optional<DCPTime>& nearest_distance) const
392 DCPTime const d = a - b;
393 if (!nearest_distance || d.abs() < nearest_distance.get().abs()) {
394 nearest_distance = d;
399 Timeline::set_position_from_event (wxMouseEvent& ev)
401 if (!_pixels_per_second) {
405 double const pps = _pixels_per_second.get ();
407 wxPoint const p = ev.GetPosition();
410 /* We haven't moved yet; in that case, we must move the mouse some reasonable distance
411 before the drag is considered to have started.
413 int const dist = sqrt (pow (p.x - _down_point.x, 2) + pow (p.y - _down_point.y, 2));
424 DCPTime new_position = _down_view_position + DCPTime::from_seconds ((p.x - _down_point.x) / pps);
428 DCPTime const new_end = new_position + _down_view->content()->length_after_trim();
429 /* Signed `distance' to nearest thing (i.e. negative is left on the timeline,
432 optional<DCPTime> nearest_distance;
434 /* Find the nearest snap point */
436 BOOST_FOREACH (DCPTime i, _start_snaps) {
437 maybe_snap (i, new_position, nearest_distance);
440 BOOST_FOREACH (DCPTime i, _end_snaps) {
441 maybe_snap (i, new_end, nearest_distance);
444 if (nearest_distance) {
445 /* Snap if it's close; `close' means within a proportion of the time on the timeline */
446 if (nearest_distance.get().abs() < DCPTime::from_seconds ((width() / pps) / 64)) {
447 new_position += nearest_distance.get ();
452 if (new_position < DCPTime ()) {
453 new_position = DCPTime ();
456 _down_view->content()->set_position (new_position);
458 shared_ptr<Film> film = _film.lock ();
459 DCPOMATIC_ASSERT (film);
460 film->set_sequence (false);
464 Timeline::force_redraw (dcpomatic::Rect<int> const & r)
466 RefreshRect (wxRect (r.x, r.y, r.width, r.height), false);
469 shared_ptr<const Film>
470 Timeline::film () const
472 return _film.lock ();
478 setup_pixels_per_second ();
482 Timeline::clear_selection ()
484 for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
485 shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
487 cv->set_selected (false);
492 TimelineContentViewList
493 Timeline::selected_views () const
495 TimelineContentViewList sel;
497 for (TimelineViewList::const_iterator i = _views.begin(); i != _views.end(); ++i) {
498 shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
499 if (cv && cv->selected()) {
508 Timeline::selected_content () const
511 TimelineContentViewList views = selected_views ();
513 for (TimelineContentViewList::const_iterator i = views.begin(); i != views.end(); ++i) {
514 sel.push_back ((*i)->content ());
521 Timeline::set_selection (ContentList selection)
523 for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
524 shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
526 cv->set_selected (find (selection.begin(), selection.end(), cv->content ()) != selection.end ());