Reasonably straightforward stuff; main things are adding
[dcpomatic.git] / src / wx / timeline.cc
index 9a9dfc26d764ec08efb038e1f27427d83b165672..31981deea7b4129e590715ca0a6146e2031f0839 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -20,6 +20,8 @@
 #include "film_editor.h"
 #include "timeline.h"
 #include "timeline_time_axis_view.h"
+#include "timeline_reels_view.h"
+#include "timeline_labels_view.h"
 #include "timeline_video_content_view.h"
 #include "timeline_audio_content_view.h"
 #include "timeline_subtitle_content_view.h"
 #include "lib/film.h"
 #include "lib/playlist.h"
 #include "lib/image_content.h"
+#include "lib/timer.h"
 #include "lib/audio_content.h"
 #include "lib/subtitle_content.h"
 #include <wx/graphics.h>
 #include <boost/weak_ptr.hpp>
+#include <boost/foreach.hpp>
 #include <list>
+#include <iostream>
 
 using std::list;
 using std::cout;
@@ -47,7 +52,9 @@ Timeline::Timeline (wxWindow* parent, ContentPanel* cp, shared_ptr<Film> film)
        : wxPanel (parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE)
        , _content_panel (cp)
        , _film (film)
-       , _time_axis_view (new TimelineTimeAxisView (*this, 32))
+       , _time_axis_view (new TimelineTimeAxisView (*this, 64))
+       , _reels_view (new TimelineReelsView (*this, 32))
+       , _labels_view (new TimelineLabelsView (*this))
        , _tracks (0)
        , _left_down (false)
        , _down_view_position (0)
@@ -70,8 +77,10 @@ Timeline::Timeline (wxWindow* parent, ContentPanel* cp, shared_ptr<Film> film)
 
        SetMinSize (wxSize (640, tracks() * track_height() + 96));
 
+       _tracks_position = Position<int> (_labels_view->bbox().width, 32);
+
        _film_changed_connection = film->Changed.connect (bind (&Timeline::film_changed, this, _1));
-       _film_content_changed_connection = film->ContentChanged.connect (bind (&Timeline::film_content_changed, this, _2));
+       _film_content_changed_connection = film->ContentChanged.connect (bind (&Timeline::film_content_changed, this, _2, _3));
 }
 
 void
@@ -84,8 +93,28 @@ Timeline::paint ()
                return;
        }
 
-       for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
-               (*i)->paint (gc);
+       gc->SetAntialiasMode (wxANTIALIAS_DEFAULT);
+
+       BOOST_FOREACH (shared_ptr<TimelineView> i, _views) {
+
+               shared_ptr<TimelineContentView> ic = dynamic_pointer_cast<TimelineContentView> (i);
+
+               /* Find areas of overlap */
+               list<dcpomatic::Rect<int> > overlaps;
+               BOOST_FOREACH (shared_ptr<TimelineView> j, _views) {
+                       shared_ptr<TimelineContentView> jc = dynamic_pointer_cast<TimelineContentView> (j);
+                       /* No overlap with non-content views, views no different tracks, audio views or non-active views */
+                       if (!ic || !jc || i == j || ic->track() != jc->track() || ic->track().get_value_or(2) >= 2 || !ic->active() || !jc->active()) {
+                               continue;
+                       }
+
+                       optional<dcpomatic::Rect<int> > r = j->bbox().intersection (i->bbox());
+                       if (r) {
+                               overlaps.push_back (r.get ());
+                       }
+               }
+
+               i->paint (gc, overlaps);
        }
 
        delete gc;
@@ -94,9 +123,11 @@ Timeline::paint ()
 void
 Timeline::film_changed (Film::Property p)
 {
-       if (p == Film::CONTENT) {
+       if (p == Film::CONTENT || p == Film::REEL_TYPE || p == Film::REEL_LENGTH) {
                ensure_ui_thread ();
                recreate_views ();
+       } else if (p == Film::CONTENT_ORDER) {
+               Refresh ();
        }
 }
 
@@ -110,20 +141,20 @@ Timeline::recreate_views ()
 
        _views.clear ();
        _views.push_back (_time_axis_view);
+       _views.push_back (_reels_view);
+       _views.push_back (_labels_view);
 
-       ContentList content = film->content ();
-
-       for (ContentList::iterator i = content.begin(); i != content.end(); ++i) {
-               if (dynamic_pointer_cast<VideoContent> (*i)) {
-                       _views.push_back (shared_ptr<TimelineView> (new TimelineVideoContentView (*this, *i)));
+       BOOST_FOREACH (shared_ptr<Content> i, film->content ()) {
+               if (i->video) {
+                       _views.push_back (shared_ptr<TimelineView> (new TimelineVideoContentView (*this, i)));
                }
 
-               shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (*i);
+               shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (i);
                if (ac && !ac->audio_mapping().mapped_output_channels().empty ()) {
-                       _views.push_back (shared_ptr<TimelineView> (new TimelineAudioContentView (*this, *i)));
+                       _views.push_back (shared_ptr<TimelineView> (new TimelineAudioContentView (*this, i)));
                }
 
-               shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (*i);
+               shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (i);
                if (sc && sc->has_subtitles ()) {
                        _views.push_back (shared_ptr<TimelineView> (new TimelineSubtitleContentView (*this, sc)));
                }
@@ -135,19 +166,15 @@ Timeline::recreate_views ()
 }
 
 void
-Timeline::film_content_changed (int property)
+Timeline::film_content_changed (int property, bool frequent)
 {
        ensure_ui_thread ();
 
-       if (property == ContentProperty::POSITION) {
-               assign_tracks ();
-               if (!_left_down) {
-                       /* Only do this if we are not dragging, as it's confusing otherwise */
-                       setup_pixels_per_second ();
-               }
-               Refresh ();
-       } else if (property == AudioContentProperty::AUDIO_STREAMS) {
+       if (property == AudioContentProperty::AUDIO_STREAMS) {
                recreate_views ();
+       } else if (!frequent) {
+               setup_pixels_per_second ();
+               Refresh ();
        }
 }
 
@@ -167,13 +194,29 @@ Timeline::assign_tracks ()
                        continue;
                }
 
+               if (dynamic_pointer_cast<TimelineVideoContentView> (*i)) {
+                       /* Video on tracks 0 and 1 (left and right eye) */
+                       shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (cv->content ());
+                       cv->set_track (vc->video_frame_type() == VIDEO_FRAME_TYPE_3D_RIGHT ? 1 : 0);
+                       _tracks = max (_tracks, 2);
+                       continue;
+               } else if (dynamic_pointer_cast<TimelineSubtitleContentView> (*i)) {
+                       /* Subtitles on track 2 */
+                       cv->set_track (2);
+                       _tracks = max (_tracks, 3);
+                       continue;
+               }
+
+               /* Audio on tracks 3 and up */
+               int t = 3;
+
                shared_ptr<Content> content = cv->content();
+               DCPTimePeriod content_period (content->position(), content->end());
 
-               int t = 0;
                while (true) {
                        TimelineViewList::iterator j = _views.begin();
                        while (j != _views.end()) {
-                               shared_ptr<TimelineContentView> test = dynamic_pointer_cast<TimelineContentView> (*j);
+                               shared_ptr<TimelineAudioContentView> test = dynamic_pointer_cast<TimelineAudioContentView> (*j);
                                if (!test) {
                                        ++j;
                                        continue;
@@ -182,11 +225,7 @@ Timeline::assign_tracks ()
                                shared_ptr<Content> test_content = test->content();
 
                                if (test && test->track() && test->track().get() == t) {
-                                       bool const no_overlap =
-                                               (content->position() < test_content->position() && content->end() < test_content->position()) ||
-                                               (content->position() > test_content->end()      && content->end() > test_content->end());
-
-                                       if (!no_overlap) {
+                                       if (content_period.overlaps (DCPTimePeriod(test_content->position(), test_content->end()))) {
                                                /* we have an overlap on track `t' */
                                                ++t;
                                                break;
@@ -206,7 +245,8 @@ Timeline::assign_tracks ()
                _tracks = max (_tracks, t + 1);
        }
 
-       _time_axis_view->set_y (tracks() * track_height() + 32);
+       _time_axis_view->set_y (tracks() * track_height() + 64);
+       _reels_view->set_y (8);
 }
 
 int
@@ -223,19 +263,21 @@ Timeline::setup_pixels_per_second ()
                return;
        }
 
-       _pixels_per_second = static_cast<double>(width() - x_offset() * 2) / film->length().seconds ();
+       _pixels_per_second = static_cast<double>(width() - tracks_position().x * 2) / film->length().seconds ();
 }
 
 shared_ptr<TimelineView>
 Timeline::event_to_view (wxMouseEvent& ev)
 {
-       TimelineViewList::iterator i = _views.begin();
+       /* Search backwards through views so that we find the uppermost one first */
+       TimelineViewList::reverse_iterator i = _views.rbegin();
        Position<int> const p (ev.GetX(), ev.GetY());
-       while (i != _views.end() && !(*i)->bbox().contains (p)) {
+       while (i != _views.rend() && !(*i)->bbox().contains (p)) {
+               shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
                ++i;
        }
 
-       if (i == _views.end ()) {
+       if (i == _views.rend ()) {
                return shared_ptr<TimelineView> ();
        }
 
@@ -264,10 +306,6 @@ Timeline::left_down (wxMouseEvent& ev)
                if (!ev.ShiftDown ()) {
                        cv->set_selected (view == *i);
                }
-
-               if (view == *i) {
-                       _content_panel->set_selection (cv->content ());
-               }
        }
 
        if (content_view && ev.ShiftDown ()) {
@@ -279,6 +317,24 @@ Timeline::left_down (wxMouseEvent& ev)
        _first_move = false;
 
        if (_down_view) {
+               /* Pre-compute the points that we might snap to */
+               for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
+                       shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
+                       if (!cv || cv == _down_view || cv->content() == _down_view->content()) {
+                               continue;
+                       }
+
+                       _start_snaps.push_back (cv->content()->position());
+                       _end_snaps.push_back (cv->content()->position());
+                       _start_snaps.push_back (cv->content()->end());
+                       _end_snaps.push_back (cv->content()->end());
+
+                       BOOST_FOREACH (DCPTime i, cv->content()->reel_split_points()) {
+                               _start_snaps.push_back (i);
+                       }
+               }
+
+               /* Tell everyone that things might change frequently during the drag */
                _down_view->content()->set_change_signals_frequent (true);
        }
 }
@@ -290,15 +346,18 @@ Timeline::left_up (wxMouseEvent& ev)
 
        if (_down_view) {
                _down_view->content()->set_change_signals_frequent (false);
+               _content_panel->set_selection (_down_view->content ());
        }
 
        set_position_from_event (ev);
 
-       /* We don't do this during drag, and set_position_from_event above
-          might not have changed the position, so do it now.
-       */
+       /* Clear up up the stuff we don't do during drag */
+       assign_tracks ();
        setup_pixels_per_second ();
        Refresh ();
+
+       _start_snaps.clear ();
+       _end_snaps.clear ();
 }
 
 void
@@ -367,23 +426,20 @@ Timeline::set_position_from_event (wxMouseEvent& ev)
 
        if (_snap) {
 
-               DCPTime const new_end = new_position + _down_view->content()->length_after_trim () - DCPTime (1);
+               DCPTime const new_end = new_position + _down_view->content()->length_after_trim();
                /* Signed `distance' to nearest thing (i.e. negative is left on the timeline,
                   positive is right).
                */
                optional<DCPTime> nearest_distance;
 
-               /* Find the nearest content edge; this is inefficient */
-               for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
-                       shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
-                       if (!cv || cv == _down_view || cv->content() == _down_view->content()) {
-                               continue;
-                       }
+               /* Find the nearest snap point */
+
+               BOOST_FOREACH (DCPTime i, _start_snaps) {
+                       maybe_snap (i, new_position, nearest_distance);
+               }
 
-                       maybe_snap (cv->content()->position(), new_position, nearest_distance);
-                       maybe_snap (cv->content()->position(), new_end + DCPTime (1), nearest_distance);
-                       maybe_snap (cv->content()->end() + DCPTime (1), new_position, nearest_distance);
-                       maybe_snap (cv->content()->end() + DCPTime (1), new_end, nearest_distance);
+               BOOST_FOREACH (DCPTime i, _end_snaps) {
+                       maybe_snap (i, new_end, nearest_distance);
                }
 
                if (nearest_distance) {
@@ -402,7 +458,7 @@ Timeline::set_position_from_event (wxMouseEvent& ev)
 
        shared_ptr<Film> film = _film.lock ();
        DCPOMATIC_ASSERT (film);
-       film->set_sequence_video (false);
+       film->set_sequence (false);
 }
 
 void
@@ -461,3 +517,14 @@ Timeline::selected_content () const
 
        return sel;
 }
+
+void
+Timeline::set_selection (ContentList selection)
+{
+       for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
+               shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
+               if (cv) {
+                       cv->set_selected (find (selection.begin(), selection.end(), cv->content ()) != selection.end ());
+               }
+       }
+}