/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2015 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
#include <list>
#include <wx/graphics.h>
+#include <boost/weak_ptr.hpp>
+#include "lib/film.h"
+#include "lib/playlist.h"
+#include "lib/image_content.h"
+#include "film_editor.h"
#include "timeline.h"
+#include "timeline_time_axis_view.h"
+#include "timeline_video_content_view.h"
+#include "timeline_audio_content_view.h"
+#include "timeline_subtitle_content_view.h"
+#include "content_panel.h"
#include "wx_util.h"
-#include "playlist.h"
using std::list;
using std::cout;
using std::max;
using boost::shared_ptr;
+using boost::weak_ptr;
+using boost::dynamic_pointer_cast;
using boost::bind;
+using boost::optional;
-int const Timeline::_track_height = 64;
-
-Timeline::Timeline (wxWindow* parent, shared_ptr<Playlist> pl)
- : wxPanel (parent)
- , _playlist (pl)
+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))
+ , _tracks (0)
+ , _left_down (false)
+ , _down_view_position (0)
+ , _first_move (false)
+ , _menu (this)
+ , _snap (true)
{
+#ifndef __WXOSX__
SetDoubleBuffered (true);
-
- Connect (wxID_ANY, wxEVT_PAINT, wxPaintEventHandler (Timeline::paint), 0, this);
+#endif
+
+ Bind (wxEVT_PAINT, boost::bind (&Timeline::paint, this));
+ Bind (wxEVT_LEFT_DOWN, boost::bind (&Timeline::left_down, this, _1));
+ Bind (wxEVT_LEFT_UP, boost::bind (&Timeline::left_up, this, _1));
+ Bind (wxEVT_RIGHT_DOWN, boost::bind (&Timeline::right_down, this, _1));
+ Bind (wxEVT_MOTION, boost::bind (&Timeline::mouse_moved, this, _1));
+ Bind (wxEVT_SIZE, boost::bind (&Timeline::resized, this));
+
+ playlist_changed ();
+
+ SetMinSize (wxSize (640, tracks() * track_height() + 96));
+
+ _playlist_changed_connection = film->playlist()->Changed.connect (bind (&Timeline::playlist_changed, this));
+ _playlist_content_changed_connection = film->playlist()->ContentChanged.connect (bind (&Timeline::playlist_content_changed, this, _2));
+}
+
+void
+Timeline::paint ()
+{
+ wxPaintDC dc (this);
- if (pl->audio_from() == Playlist::AUDIO_FFMPEG) {
- SetMinSize (wxSize (640, _track_height * 2 + 96));
- } else {
- SetMinSize (wxSize (640, _track_height * (max (1UL, pl->audio().size()) + 1) + 96));
+ wxGraphicsContext* gc = wxGraphicsContext::Create (dc);
+ if (!gc) {
+ return;
+ }
+
+ for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
+ (*i)->paint (gc);
}
- pl->Changed.connect (bind (&Timeline::playlist_changed, this));
- pl->ContentChanged.connect (bind (&Timeline::playlist_changed, this));
+ delete gc;
+}
+
+void
+Timeline::playlist_changed ()
+{
+ ensure_ui_thread ();
+ recreate_views ();
+}
+
+void
+Timeline::recreate_views ()
+{
+ shared_ptr<const Film> fl = _film.lock ();
+ if (!fl) {
+ return;
+ }
+
+ _views.clear ();
+ _views.push_back (_time_axis_view);
+
+ ContentList content = fl->playlist()->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)));
+ }
+
+ shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (*i);
+ if (ac && !ac->audio_mapping().mapped_dcp_channels().empty ()) {
+ _views.push_back (shared_ptr<TimelineView> (new TimelineAudioContentView (*this, *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)));
+ }
+ }
+
+ assign_tracks ();
+ setup_pixels_per_second ();
+ Refresh ();
+}
+
+void
+Timeline::playlist_content_changed (int property)
+{
+ 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) {
+ recreate_views ();
+ }
+}
+
+void
+Timeline::assign_tracks ()
+{
+ for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
+ shared_ptr<TimelineContentView> c = dynamic_pointer_cast<TimelineContentView> (*i);
+ if (c) {
+ c->unset_track ();
+ }
+ }
+
+ for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
+ shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
+ if (!cv) {
+ continue;
+ }
+
+ shared_ptr<Content> content = cv->content();
+
+ int t = 0;
+ while (true) {
+ TimelineViewList::iterator j = _views.begin();
+ while (j != _views.end()) {
+ shared_ptr<TimelineContentView> test = dynamic_pointer_cast<TimelineContentView> (*j);
+ if (!test) {
+ ++j;
+ continue;
+ }
+
+ 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) {
+ /* we have an overlap on track `t' */
+ ++t;
+ break;
+ }
+ }
+
+ ++j;
+ }
+
+ if (j == _views.end ()) {
+ /* no overlap on `t' */
+ break;
+ }
+ }
+
+ cv->set_track (t);
+ _tracks = max (_tracks, t + 1);
+ }
+
+ _time_axis_view->set_y (tracks() * track_height() + 32);
}
-template <class T>
int
-plot_content_list (
- list<shared_ptr<const T> > content, wxGraphicsContext* gc, int x, int y, double pixels_per_second, int track_height, wxString type, bool consecutive
- )
-{
- Time t = 0;
- for (typename list<shared_ptr<const T> >::iterator i = content.begin(); i != content.end(); ++i) {
- Time const len = (*i)->temporal_length ();
- wxGraphicsPath path = gc->CreatePath ();
- path.MoveToPoint (x + t * pixels_per_second, y);
- path.AddLineToPoint (x + (t + len) * pixels_per_second, y);
- path.AddLineToPoint (x + (t + len) * pixels_per_second, y + track_height);
- path.AddLineToPoint (x + t * pixels_per_second, y + track_height);
- path.AddLineToPoint (x + t * pixels_per_second, y);
- gc->StrokePath (path);
- gc->FillPath (path);
-
- wxString name = wxString::Format ("%s [%s]", std_to_wx ((*i)->file().filename().string()), type);
- wxDouble name_width;
- wxDouble name_height;
- wxDouble name_descent;
- wxDouble name_leading;
- gc->GetTextExtent (name, &name_width, &name_height, &name_descent, &name_leading);
+Timeline::tracks () const
+{
+ return _tracks;
+}
+
+void
+Timeline::setup_pixels_per_second ()
+{
+ shared_ptr<const Film> film = _film.lock ();
+ if (!film || film->length() == DCPTime ()) {
+ return;
+ }
+
+ _pixels_per_second = static_cast<double>(width() - x_offset() * 2) / film->length().seconds ();
+}
+
+shared_ptr<TimelineView>
+Timeline::event_to_view (wxMouseEvent& ev)
+{
+ TimelineViewList::iterator i = _views.begin();
+ Position<int> const p (ev.GetX(), ev.GetY());
+ while (i != _views.end() && !(*i)->bbox().contains (p)) {
+ ++i;
+ }
+
+ if (i == _views.end ()) {
+ return shared_ptr<TimelineView> ();
+ }
+
+ return *i;
+}
+
+void
+Timeline::left_down (wxMouseEvent& ev)
+{
+ shared_ptr<TimelineView> view = event_to_view (ev);
+ shared_ptr<TimelineContentView> content_view = dynamic_pointer_cast<TimelineContentView> (view);
+
+ _down_view.reset ();
+
+ if (content_view) {
+ _down_view = content_view;
+ _down_view_position = content_view->content()->position ();
+ }
+
+ for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
+ shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
+ if (!cv) {
+ continue;
+ }
+
+ if (!ev.ShiftDown ()) {
+ cv->set_selected (view == *i);
+ }
- gc->Clip (wxRegion (x + t * pixels_per_second, y, len * pixels_per_second, track_height));
- gc->DrawText (name, t * pixels_per_second + 12, y + track_height - name_height - 4);
- gc->ResetClip ();
-
- if (consecutive) {
- t += len;
- } else {
- y += track_height;
+ if (view == *i) {
+ _content_panel->set_selection (cv->content ());
}
}
- if (consecutive) {
- y += track_height;
+ if (content_view && ev.ShiftDown ()) {
+ content_view->set_selected (!content_view->selected ());
}
- return y;
+ _left_down = true;
+ _down_point = ev.GetPosition ();
+ _first_move = false;
+
+ if (_down_view) {
+ _down_view->content()->set_change_signals_frequent (true);
+ }
}
void
-Timeline::paint (wxPaintEvent &)
+Timeline::left_up (wxMouseEvent& ev)
{
- wxPaintDC dc (this);
+ _left_down = false;
+
+ if (_down_view) {
+ _down_view->content()->set_change_signals_frequent (false);
+ }
+
+ 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.
+ */
+ setup_pixels_per_second ();
+ Refresh ();
+}
- shared_ptr<Playlist> pl = _playlist.lock ();
- if (!pl) {
+void
+Timeline::mouse_moved (wxMouseEvent& ev)
+{
+ if (!_left_down) {
return;
}
- wxGraphicsContext* gc = wxGraphicsContext::Create (dc);
- if (!gc) {
+ set_position_from_event (ev);
+}
+
+void
+Timeline::right_down (wxMouseEvent& ev)
+{
+ shared_ptr<TimelineView> view = event_to_view (ev);
+ shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (view);
+ if (!cv) {
+ return;
+ }
+
+ if (!cv->selected ()) {
+ clear_selection ();
+ cv->set_selected (true);
+ }
+
+ _menu.popup (_film, selected_content (), selected_views (), ev.GetPosition ());
+}
+
+void
+Timeline::maybe_snap (DCPTime a, DCPTime b, optional<DCPTime>& nearest_distance) const
+{
+ DCPTime const d = a - b;
+ if (!nearest_distance || d.abs() < nearest_distance.get().abs()) {
+ nearest_distance = d;
+ }
+}
+
+void
+Timeline::set_position_from_event (wxMouseEvent& ev)
+{
+ if (!_pixels_per_second) {
return;
}
- int const x_offset = 8;
- int y = 8;
- int const width = GetSize().GetWidth();
- double const pixels_per_second = (width - x_offset * 2) / (pl->content_length() / pl->video_frame_rate());
+ double const pps = _pixels_per_second.get ();
+
+ wxPoint const p = ev.GetPosition();
- gc->SetFont (gc->CreateFont (*wxNORMAL_FONT));
+ if (!_first_move) {
+ /* We haven't moved yet; in that case, we must move the mouse some reasonable distance
+ before the drag is considered to have started.
+ */
+ int const dist = sqrt (pow (p.x - _down_point.x, 2) + pow (p.y - _down_point.y, 2));
+ if (dist < 8) {
+ return;
+ }
+ _first_move = true;
+ }
- gc->SetPen (*wxBLACK_PEN);
-#if wxMAJOR_VERSION == 2 && wxMINOR_VERSION >= 9
- gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 4, wxPENSTYLE_SOLID));
- gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (149, 121, 232, 255), wxBRUSHSTYLE_SOLID));
-#else
- gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 4, SOLID));
- gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (149, 121, 232, 255), SOLID));
-#endif
- y = plot_content_list (pl->video (), gc, x_offset, y, pixels_per_second, _track_height, _("video"), true);
+ if (!_down_view) {
+ return;
+ }
+
+ DCPTime new_position = _down_view_position + DCPTime::from_seconds ((p.x - _down_point.x) / pps);
-#if wxMAJOR_VERSION == 2 && wxMINOR_VERSION >= 9
- gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (242, 92, 120, 255), wxBRUSHSTYLE_SOLID));
-#else
- gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (242, 92, 120, 255), SOLID));
-#endif
- y = plot_content_list (pl->audio (), gc, x_offset, y, pixels_per_second, _track_height, _("audio"), pl->audio_from() == Playlist::AUDIO_FFMPEG);
-
- /* Time axis */
-
-#if wxMAJOR_VERSION == 2 && wxMINOR_VERSION >= 9
- gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 1, wxPENSTYLE_SOLID));
-#else
- gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 1, SOLID));
-#endif
-
- int mark_interval = rint (128 / pixels_per_second);
- if (mark_interval > 5) {
- mark_interval -= mark_interval % 5;
- }
- if (mark_interval > 10) {
- mark_interval -= mark_interval % 10;
- }
- if (mark_interval > 60) {
- mark_interval -= mark_interval % 60;
- }
- if (mark_interval > 3600) {
- mark_interval -= mark_interval % 3600;
- }
-
- if (mark_interval < 1) {
- mark_interval = 1;
- }
-
- wxGraphicsPath path = gc->CreatePath ();
- path.MoveToPoint (x_offset, y + 40);
- path.AddLineToPoint (width, y + 40);
- gc->StrokePath (path);
-
- double t = 0;
- while ((t * pixels_per_second) < width) {
- wxGraphicsPath path = gc->CreatePath ();
- path.MoveToPoint (x_offset + t * pixels_per_second, y + 36);
- path.AddLineToPoint (x_offset + t * pixels_per_second, y + 44);
- gc->StrokePath (path);
-
- int tc = t;
- int const h = tc / 3600;
- tc -= h * 3600;
- int const m = tc / 60;
- tc -= m * 60;
- int const s = tc;
-
- wxString str = wxString::Format ("%02d:%02d:%02d", h, m, s);
- wxDouble str_width;
- wxDouble str_height;
- wxDouble str_descent;
- wxDouble str_leading;
- gc->GetTextExtent (str, &str_width, &str_height, &str_descent, &str_leading);
-
- int const tx = x_offset + t * pixels_per_second;
- if ((tx + str_width) < width) {
- gc->DrawText (str, x_offset + t * pixels_per_second, y + 60);
+ if (_snap) {
+
+ DCPTime const new_end = new_position + _down_view->content()->length_after_trim () - DCPTime (1);
+ /* 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;
+ }
+
+ 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);
+ }
+
+ if (nearest_distance) {
+ /* Snap if it's close; `close' means within a proportion of the time on the timeline */
+ if (nearest_distance.get().abs() < DCPTime::from_seconds ((width() / pps) / 64)) {
+ new_position += nearest_distance.get ();
+ }
}
- t += mark_interval;
+ }
+
+ if (new_position < DCPTime ()) {
+ new_position = DCPTime ();
}
- delete gc;
+ _down_view->content()->set_position (new_position);
+
+ shared_ptr<Film> film = _film.lock ();
+ DCPOMATIC_ASSERT (film);
+ film->set_sequence_video (false);
}
void
-Timeline::playlist_changed ()
+Timeline::force_redraw (dcpomatic::Rect<int> const & r)
{
- Refresh ();
+ RefreshRect (wxRect (r.x, r.y, r.width, r.height), false);
+}
+
+shared_ptr<const Film>
+Timeline::film () const
+{
+ return _film.lock ();
+}
+
+void
+Timeline::resized ()
+{
+ setup_pixels_per_second ();
+}
+
+void
+Timeline::clear_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 (false);
+ }
+ }
+}
+
+TimelineContentViewList
+Timeline::selected_views () const
+{
+ TimelineContentViewList sel;
+
+ for (TimelineViewList::const_iterator i = _views.begin(); i != _views.end(); ++i) {
+ shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
+ if (cv && cv->selected()) {
+ sel.push_back (cv);
+ }
+ }
+
+ return sel;
+}
+
+ContentList
+Timeline::selected_content () const
+{
+ ContentList sel;
+ TimelineContentViewList views = selected_views ();
+
+ for (TimelineContentViewList::const_iterator i = views.begin(); i != views.end(); ++i) {
+ sel.push_back ((*i)->content ());
+ }
+
+ return sel;
}