X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Ftimeline.cc;h=e1b507383e87523550279940d61608d9dca632b8;hb=1eeba876ce09cedfa4c779bf3554372c01dc34c5;hp=2539038881ff903cd5dbb97f161e34a07bf630ca;hpb=92cafb6fc686a041354da2eabde6bcb2f6846e1d;p=dcpomatic.git diff --git a/src/wx/timeline.cc b/src/wx/timeline.cc index 253903888..e1b507383 100644 --- a/src/wx/timeline.cc +++ b/src/wx/timeline.cc @@ -19,182 +19,735 @@ #include #include +#include +#include "lib/film.h" +#include "lib/playlist.h" +#include "film_editor.h" #include "timeline.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 pl) - : wxPanel (parent) - , _playlist (pl) +/** Parent class for components of the timeline (e.g. a piece of content or an axis) */ +class View : public boost::noncopyable { - SetDoubleBuffered (true); +public: + View (Timeline& t) + : _timeline (t) + { + + } + + virtual ~View () {} + + void paint (wxGraphicsContext* g) + { + _last_paint_bbox = bbox (); + do_paint (g); + } - Connect (wxID_ANY, wxEVT_PAINT, wxPaintEventHandler (Timeline::paint), 0, this); + void force_redraw () + { + _timeline.force_redraw (_last_paint_bbox); + _timeline.force_redraw (bbox ()); + } - if (pl->audio_from() == Playlist::AUDIO_FFMPEG) { - SetMinSize (wxSize (640, _track_height * 2 + 96)); - } else { - SetMinSize (wxSize (640, _track_height * (max (size_t (1), pl->audio().size()) + 1) + 96)); + virtual dcpomatic::Rect bbox () const = 0; + +protected: + virtual void do_paint (wxGraphicsContext *) = 0; + + int time_x (DCPTime t) const + { + return _timeline.tracks_position().x + t.seconds() * _timeline.pixels_per_second (); } + + Timeline& _timeline; - pl->Changed.connect (bind (&Timeline::playlist_changed, this)); - pl->ContentChanged.connect (bind (&Timeline::playlist_changed, this)); -} +private: + dcpomatic::Rect _last_paint_bbox; +}; -template -int -plot_content_list ( - list > content, wxGraphicsContext* gc, int x, int y, double pixels_per_second, int track_height, wxString type, bool consecutive - ) + +/** Parent class for views of pieces of content */ +class ContentView : public View { - Time t = 0; - for (typename list >::iterator i = content.begin(); i != content.end(); ++i) { - Time const len = (*i)->temporal_length (); +public: + ContentView (Timeline& tl, shared_ptr c) + : View (tl) + , _content (c) + , _track (0) + , _selected (false) + { + _content_connection = c->Changed.connect (bind (&ContentView::content_changed, this, _2, _3)); + } + + dcpomatic::Rect bbox () const + { + shared_ptr film = _timeline.film (); + shared_ptr content = _content.lock (); + if (!film || !content) { + return dcpomatic::Rect (); + } + + return dcpomatic::Rect ( + time_x (content->position ()) - 8, + y_pos (_track) - 8, + content->length_after_trim().seconds() * _timeline.pixels_per_second() + 16, + _timeline.track_height() + 16 + ); + } + + void set_selected (bool s) { + _selected = s; + force_redraw (); + } + + bool selected () const { + return _selected; + } + + shared_ptr content () const { + return _content.lock (); + } + + void set_track (int t) { + _track = t; + } + + int track () const { + return _track; + } + + virtual wxString type () const = 0; + virtual wxColour colour () const = 0; + +private: + + void do_paint (wxGraphicsContext* gc) + { + shared_ptr film = _timeline.film (); + shared_ptr cont = content (); + if (!film || !cont) { + return; + } + + DCPTime const position = cont->position (); + DCPTime const len = cont->length_after_trim (); + + wxColour selected (colour().Red() / 2, colour().Green() / 2, colour().Blue() / 2); + + gc->SetPen (*wxBLACK_PEN); + + gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 4, wxPENSTYLE_SOLID)); + if (_selected) { + gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (selected, wxBRUSHSTYLE_SOLID)); + } else { + gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (colour(), wxBRUSHSTYLE_SOLID)); + } + 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); + path.MoveToPoint (time_x (position), y_pos (_track) + 4); + path.AddLineToPoint (time_x (position + len), y_pos (_track) + 4); + path.AddLineToPoint (time_x (position + len), y_pos (_track + 1) - 4); + path.AddLineToPoint (time_x (position), y_pos (_track + 1) - 4); + path.AddLineToPoint (time_x (position), y_pos (_track) + 4); gc->StrokePath (path); gc->FillPath (path); - wxString name = wxString::Format (wxT ("%s [%s]"), std_to_wx ((*i)->file().filename().string()).data(), type.data()); + wxString name = wxString::Format (wxT ("%s [%s]"), std_to_wx (cont->path_summary()).data(), type().data()); wxDouble name_width; wxDouble name_height; wxDouble name_descent; wxDouble name_leading; gc->GetTextExtent (name, &name_width, &name_height, &name_descent, &name_leading); - 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->Clip (wxRegion (time_x (position), y_pos (_track), len.seconds() * _timeline.pixels_per_second(), _timeline.track_height())); + gc->DrawText (name, time_x (position) + 12, y_pos (_track + 1) - name_height - 4); gc->ResetClip (); + } + + int y_pos (int t) const + { + return _timeline.tracks_position().y + t * _timeline.track_height(); + } + + void content_changed (int p, bool frequent) + { + ensure_ui_thread (); + + if (p == ContentProperty::POSITION || p == ContentProperty::LENGTH) { + force_redraw (); + } - if (consecutive) { - t += len; + if (!frequent) { + _timeline.setup_pixels_per_second (); + _timeline.Refresh (); + } + } + + boost::weak_ptr _content; + int _track; + bool _selected; + + boost::signals2::scoped_connection _content_connection; +}; + +class AudioContentView : public ContentView +{ +public: + AudioContentView (Timeline& tl, shared_ptr c) + : ContentView (tl, c) + {} + +private: + wxString type () const + { + return _("audio"); + } + + wxColour colour () const + { + return wxColour (149, 121, 232, 255); + } +}; + +class VideoContentView : public ContentView +{ +public: + VideoContentView (Timeline& tl, shared_ptr c) + : ContentView (tl, c) + {} + +private: + + wxString type () const + { + if (dynamic_pointer_cast (content ())) { + return _("video"); } else { - y += track_height; + return _("still"); } } - if (consecutive) { - y += track_height; + wxColour colour () const + { + return wxColour (242, 92, 120, 255); } +}; - return y; +class SubtitleContentView : public ContentView +{ +public: + SubtitleContentView (Timeline& tl, shared_ptr c) + : ContentView (tl, c) + {} + +private: + wxString type () const + { + return _("subtitles"); + } + + wxColour colour () const + { + return wxColour (163, 255, 154, 255); + } +}; + +class TimeAxisView : public View +{ +public: + TimeAxisView (Timeline& tl, int y) + : View (tl) + , _y (y) + {} + + dcpomatic::Rect bbox () const + { + return dcpomatic::Rect (0, _y - 4, _timeline.width(), 24); + } + + void set_y (int y) + { + _y = y; + force_redraw (); + } + +private: + + void do_paint (wxGraphicsContext* gc) + { + gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 1, wxPENSTYLE_SOLID)); + + double mark_interval = rint (128 / _timeline.pixels_per_second ()); + if (mark_interval > 5) { + mark_interval -= int (rint (mark_interval)) % 5; + } + if (mark_interval > 10) { + mark_interval -= int (rint (mark_interval)) % 10; + } + if (mark_interval > 60) { + mark_interval -= int (rint (mark_interval)) % 60; + } + if (mark_interval > 3600) { + mark_interval -= int (rint (mark_interval)) % 3600; + } + + if (mark_interval < 1) { + mark_interval = 1; + } + + wxGraphicsPath path = gc->CreatePath (); + path.MoveToPoint (_timeline.x_offset(), _y); + path.AddLineToPoint (_timeline.width(), _y); + gc->StrokePath (path); + + /* Time in seconds */ + DCPTime t; + while ((t.seconds() * _timeline.pixels_per_second()) < _timeline.width()) { + wxGraphicsPath path = gc->CreatePath (); + path.MoveToPoint (time_x (t), _y - 4); + path.AddLineToPoint (time_x (t), _y + 4); + gc->StrokePath (path); + + double tc = t.seconds (); + int const h = tc / 3600; + tc -= h * 3600; + int const m = tc / 60; + tc -= m * 60; + int const s = tc; + + wxString str = wxString::Format (wxT ("%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 = _timeline.x_offset() + t.seconds() * _timeline.pixels_per_second(); + if ((tx + str_width) < _timeline.width()) { + gc->DrawText (str, time_x (t), _y + 16); + } + + t += DCPTime::from_seconds (mark_interval); + } + } + +private: + int _y; +}; + + +Timeline::Timeline (wxWindow* parent, FilmEditor* ed, shared_ptr film) + : wxPanel (parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE) + , _film_editor (ed) + , _film (film) + , _time_axis_view (new TimeAxisView (*this, 32)) + , _tracks (0) + , _pixels_per_second (0) + , _left_down (false) + , _down_view_position (0) + , _first_move (false) + , _menu (this) + , _snap (true) +{ +#ifndef __WXOSX__ + SetDoubleBuffered (true); +#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_connection = film->playlist()->Changed.connect (bind (&Timeline::playlist_changed, this)); } void -Timeline::paint (wxPaintEvent &) +Timeline::paint () { wxPaintDC dc (this); - shared_ptr pl = _playlist.lock (); - if (!pl) { + wxGraphicsContext* gc = wxGraphicsContext::Create (dc); + if (!gc) { return; } - wxGraphicsContext* gc = wxGraphicsContext::Create (dc); - if (!gc) { + gc->SetFont (gc->CreateFont (*wxNORMAL_FONT)); + + for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) { + (*i)->paint (gc); + } + + delete gc; +} + +void +Timeline::playlist_changed () +{ + ensure_ui_thread (); + + shared_ptr fl = _film.lock (); + if (!fl) { 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()); + _views.clear (); + _views.push_back (_time_axis_view); - gc->SetFont (gc->CreateFont (*wxNORMAL_FONT)); + ContentList content = fl->playlist()->content (); - 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, wxSOLID)); - gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (wxColour (149, 121, 232, 255), wxSOLID)); -#endif - y = plot_content_list (pl->video (), gc, x_offset, y, pixels_per_second, _track_height, _("video"), true); - -#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), wxSOLID)); -#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, wxSOLID)); -#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); + for (ContentList::iterator i = content.begin(); i != content.end(); ++i) { + if (dynamic_pointer_cast (*i)) { + _views.push_back (shared_ptr (new VideoContentView (*this, *i))); + } + if (dynamic_pointer_cast (*i)) { + _views.push_back (shared_ptr (new AudioContentView (*this, *i))); + } + if (dynamic_pointer_cast (*i)) { + _views.push_back (shared_ptr (new SubtitleContentView (*this, *i))); + } + } + + assign_tracks (); + setup_pixels_per_second (); + Refresh (); +} + +void +Timeline::assign_tracks () +{ + list > video; + list > audio; + list > subtitle; + + for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) { + shared_ptr v = dynamic_pointer_cast (*i); + if (v) { + video.push_back (v); + } + + shared_ptr a = dynamic_pointer_cast (*i); + if (a) { + audio.push_back (a); + } + + shared_ptr s = dynamic_pointer_cast (*i); + if (s) { + subtitle.push_back (s); + } + } + + _tracks = 0; + if (!video.empty ()) { + for (list >::iterator i = video.begin(); i != video.end(); ++i) { + (*i)->set_track (_tracks); + } + ++_tracks; + } + + if (!subtitle.empty ()) { + for (list >::iterator i = subtitle.begin(); i != subtitle.end(); ++i) { + (*i)->set_track (_tracks); + } + ++_tracks; + } - int tc = t; - int const h = tc / 3600; - tc -= h * 3600; - int const m = tc / 60; - tc -= m * 60; - int const s = tc; + int const audio_start = _tracks; - wxString str = wxString::Format (wxT ("%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); + for (list >::iterator i = audio.begin(); i != audio.end(); ++i) { + shared_ptr acv_content = (*i)->content(); - 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); + int t = audio_start; + while (1) { + list >::iterator j = audio.begin (); + while (j != audio.end()) { + if ((*j)->track() == t) { + bool const no_overlap = + (acv_content->position() < (*j)->content()->position() && acv_content->end() < (*j)->content()->position()) || + (acv_content->position() > (*j)->content()->end() && acv_content->end() > (*j)->content()->end()); + + if (!no_overlap) { + /* we have an overlap on track `t' */ + ++t; + break; + } + } + + ++j; + } + + if (j == audio.end ()) { + /* no overlap on `t' */ + break; + } } - t += mark_interval; + + (*i)->set_track (t); + _tracks = max (_tracks, t + 1); } - delete gc; + _time_axis_view->set_y (tracks() * track_height() + 32); +} + +int +Timeline::tracks () const +{ + return _tracks; } void -Timeline::playlist_changed () +Timeline::setup_pixels_per_second () { - Refresh (); + shared_ptr film = _film.lock (); + if (!film || film->length() == DCPTime ()) { + return; + } + + _pixels_per_second = static_cast(width() - x_offset() * 2) / film->length().seconds (); +} + +shared_ptr +Timeline::event_to_view (wxMouseEvent& ev) +{ + ViewList::iterator i = _views.begin(); + Position const p (ev.GetX(), ev.GetY()); + while (i != _views.end() && !(*i)->bbox().contains (p)) { + ++i; + } + + if (i == _views.end ()) { + return shared_ptr (); + } + + return *i; +} + +void +Timeline::left_down (wxMouseEvent& ev) +{ + shared_ptr view = event_to_view (ev); + shared_ptr content_view = dynamic_pointer_cast (view); + + _down_view.reset (); + + if (content_view) { + _down_view = content_view; + _down_view_position = content_view->content()->position (); + } + + for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) { + shared_ptr cv = dynamic_pointer_cast (*i); + if (!cv) { + continue; + } + + if (!ev.ShiftDown ()) { + cv->set_selected (view == *i); + } + + if (view == *i) { + _film_editor->set_selection (cv->content ()); + } + } + + if (content_view && ev.ShiftDown ()) { + content_view->set_selected (!content_view->selected ()); + } + + _left_down = true; + _down_point = ev.GetPosition (); + _first_move = false; + + if (_down_view) { + _down_view->content()->set_change_signals_frequent (true); + } +} + +void +Timeline::left_up (wxMouseEvent& ev) +{ + _left_down = false; + + if (_down_view) { + _down_view->content()->set_change_signals_frequent (false); + } + + set_position_from_event (ev); +} + +void +Timeline::mouse_moved (wxMouseEvent& ev) +{ + if (!_left_down) { + return; + } + + set_position_from_event (ev); +} + +void +Timeline::right_down (wxMouseEvent& ev) +{ + shared_ptr view = event_to_view (ev); + shared_ptr cv = dynamic_pointer_cast (view); + if (!cv) { + return; + } + + if (!cv->selected ()) { + clear_selection (); + cv->set_selected (true); + } + + _menu.popup (_film, selected_content (), ev.GetPosition ()); +} + +void +Timeline::set_position_from_event (wxMouseEvent& ev) +{ + wxPoint const p = ev.GetPosition(); + + 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; + } + + if (!_down_view) { + return; + } + + DCPTime new_position = _down_view_position + DCPTime::from_seconds ((p.x - _down_point.x) / _pixels_per_second); + + if (_snap) { + + bool first = true; + DCPTime nearest_distance = DCPTime::max (); + DCPTime nearest_new_position = DCPTime::max (); + + /* Find the nearest content edge; this is inefficient */ + for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) { + shared_ptr cv = dynamic_pointer_cast (*i); + if (!cv || cv == _down_view) { + continue; + } + + { + /* Snap starts to ends */ + DCPTime const d = DCPTime (cv->content()->end() - new_position).abs (); + if (first || d < nearest_distance) { + nearest_distance = d; + nearest_new_position = cv->content()->end(); + } + } + + { + /* Snap ends to starts */ + DCPTime const d = DCPTime ( + cv->content()->position() - (new_position + _down_view->content()->length_after_trim()) + ).abs (); + + if (d < nearest_distance) { + nearest_distance = d; + nearest_new_position = cv->content()->position() - _down_view->content()->length_after_trim (); + } + } + + first = false; + } + + if (!first) { + /* Snap if it's close; `close' means within a proportion of the time on the timeline */ + if (nearest_distance < DCPTime::from_seconds ((width() / pixels_per_second()) / 32)) { + new_position = nearest_new_position; + } + } + } + + if (new_position < DCPTime ()) { + new_position = DCPTime (); + } + + _down_view->content()->set_position (new_position); + + shared_ptr film = _film.lock (); + assert (film); + film->set_sequence_video (false); +} + +void +Timeline::force_redraw (dcpomatic::Rect const & r) +{ + RefreshRect (wxRect (r.x, r.y, r.width, r.height), false); +} + +shared_ptr +Timeline::film () const +{ + return _film.lock (); +} + +void +Timeline::resized () +{ + setup_pixels_per_second (); +} + +void +Timeline::clear_selection () +{ + for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) { + shared_ptr cv = dynamic_pointer_cast (*i); + if (cv) { + cv->set_selected (false); + } + } +} + +Timeline::ContentViewList +Timeline::selected_views () const +{ + ContentViewList sel; + + for (ViewList::const_iterator i = _views.begin(); i != _views.end(); ++i) { + shared_ptr cv = dynamic_pointer_cast (*i); + if (cv && cv->selected()) { + sel.push_back (cv); + } + } + + return sel; +} + +ContentList +Timeline::selected_content () const +{ + ContentList sel; + ContentViewList views = selected_views (); + + for (ContentViewList::const_iterator i = views.begin(); i != views.end(); ++i) { + sel.push_back ((*i)->content ()); + } + + return sel; }