Basics of timeline track labels.

[dcpomatic.git] / src / wx / timeline.cc

diff --git a/src/wx/timeline.cc b/src/wx/timeline.cc
index 1516202bcbb286719ff00e96b4b12fffeeb04386..a7b41eb983d7516b3e12898e53bd47a9b0464167 100644 (file)
--- a/src/wx/timeline.cc
+++ b/src/wx/timeline.cc
@@ -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
@@ -21,6 +21,7 @@
 #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"
@@ -53,6 +54,7 @@ Timeline::Timeline (wxWindow* parent, ContentPanel* cp, shared_ptr<Film> film)
        , _film (film)
        , _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)
@@ -75,8 +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, 8);
+
        _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
@@ -89,8 +93,26 @@ Timeline::paint ()
                return;
        }
 
-       for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
-               (*i)->paint (gc);
+
+       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);
+                       if (!ic || !jc || i == j || ic->track() != jc->track() || !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;
@@ -103,11 +125,6 @@ Timeline::film_changed (Film::Property p)
                ensure_ui_thread ();
                recreate_views ();
        } else if (p == Film::CONTENT_ORDER) {
-               assign_tracks ();
-               if (!_left_down) {
-                       /* Only do this if we are not dragging, as it's confusing otherwise */
-                       setup_pixels_per_second ();
-               }
                Refresh ();
        }
 }
@@ -123,6 +140,7 @@ Timeline::recreate_views ()
        _views.clear ();
        _views.push_back (_time_axis_view);
        _views.push_back (_reels_view);
+       _views.push_back (_labels_view);
 
        BOOST_FOREACH (shared_ptr<Content> i, film->content ()) {
                if (dynamic_pointer_cast<VideoContent> (i)) {
@@ -146,12 +164,15 @@ Timeline::recreate_views ()
 }
 
 void
-Timeline::film_content_changed (int property)
+Timeline::film_content_changed (int property, bool frequent)
 {
        ensure_ui_thread ();
 
        if (property == AudioContentProperty::AUDIO_STREAMS) {
                recreate_views ();
+       } else if (!frequent) {
+               setup_pixels_per_second ();
+               Refresh ();
        }
 }
 
@@ -171,14 +192,28 @@ Timeline::assign_tracks ()
                        continue;
                }
 
+               if (dynamic_pointer_cast<TimelineVideoContentView> (*i)) {
+                       /* Video on track 0 */
+                       cv->set_track (0);
+                       _tracks = max (_tracks, 1);
+                       continue;
+               } else if (dynamic_pointer_cast<TimelineSubtitleContentView> (*i)) {
+                       /* Subtitles on track 1 */
+                       cv->set_track (1);
+                       _tracks = max (_tracks, 2);
+                       continue;
+               }
+
+               /* Audio on tracks 2 and up */
+               int t = 2;
+
                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;
@@ -225,19 +260,21 @@ 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> ();
        }
 
@@ -311,9 +348,8 @@ Timeline::left_up (wxMouseEvent& ev)
 
        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 ();
 
@@ -419,7 +455,7 @@ 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