/*
- Copyright (C) 2013-2014 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 <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"
using std::list;
using boost::bind;
using boost::optional;
-/** Parent class for components of the timeline (e.g. a piece of content or an axis) */
-class View : public boost::noncopyable
-{
-public:
- View (Timeline& t)
- : _timeline (t)
- {
-
- }
-
- virtual ~View () {}
-
- void paint (wxGraphicsContext* g)
- {
- _last_paint_bbox = bbox ();
- do_paint (g);
- }
-
- void force_redraw ()
- {
- _timeline.force_redraw (_last_paint_bbox);
- _timeline.force_redraw (bbox ());
- }
-
- virtual dcpomatic::Rect<int> bbox () const = 0;
-
-protected:
- virtual void do_paint (wxGraphicsContext *) = 0;
-
- int time_x (Time t) const
- {
- return _timeline.tracks_position().x + t * _timeline.pixels_per_time_unit().get_value_or (0);
- }
-
- Timeline& _timeline;
-
-private:
- dcpomatic::Rect<int> _last_paint_bbox;
-};
-
-
-/** Parent class for views of pieces of content */
-class ContentView : public View
-{
-public:
- ContentView (Timeline& tl, shared_ptr<Content> c)
- : View (tl)
- , _content (c)
- , _selected (false)
- {
- _content_connection = c->Changed.connect (bind (&ContentView::content_changed, this, _2, _3));
- }
-
- dcpomatic::Rect<int> bbox () const
- {
- assert (_track);
-
- shared_ptr<const Film> film = _timeline.film ();
- shared_ptr<const Content> content = _content.lock ();
- if (!film || !content) {
- return dcpomatic::Rect<int> ();
- }
-
- return dcpomatic::Rect<int> (
- time_x (content->position ()) - 8,
- y_pos (_track.get()) - 8,
- content->length_after_trim () * _timeline.pixels_per_time_unit().get_value_or(0) + 16,
- _timeline.track_height() + 16
- );
- }
-
- void set_selected (bool s) {
- _selected = s;
- force_redraw ();
- }
-
- bool selected () const {
- return _selected;
- }
-
- shared_ptr<Content> content () const {
- return _content.lock ();
- }
-
- void set_track (int t) {
- _track = t;
- }
-
- void unset_track () {
- _track = boost::optional<int> ();
- }
-
- optional<int> track () const {
- return _track;
- }
-
- virtual wxString type () const = 0;
- virtual wxColour colour () const = 0;
-
-private:
-
- void do_paint (wxGraphicsContext* gc)
- {
- assert (_track);
-
- shared_ptr<const Film> film = _timeline.film ();
- shared_ptr<const Content> cont = content ();
- if (!film || !cont) {
- return;
- }
-
- Time const position = cont->position ();
- Time 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 (time_x (position), y_pos (_track.get()) + 4);
- path.AddLineToPoint (time_x (position + len), y_pos (_track.get()) + 4);
- path.AddLineToPoint (time_x (position + len), y_pos (_track.get() + 1) - 4);
- path.AddLineToPoint (time_x (position), y_pos (_track.get() + 1) - 4);
- path.AddLineToPoint (time_x (position), y_pos (_track.get()) + 4);
- gc->StrokePath (path);
- gc->FillPath (path);
-
- 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 (time_x (position), y_pos (_track.get()), len * _timeline.pixels_per_time_unit().get_value_or(0), _timeline.track_height()));
- gc->DrawText (name, time_x (position) + 12, y_pos (_track.get() + 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 (!frequent) {
- _timeline.setup_pixels_per_time_unit ();
- _timeline.Refresh ();
- }
- }
-
- boost::weak_ptr<Content> _content;
- optional<int> _track;
- bool _selected;
-
- boost::signals2::scoped_connection _content_connection;
-};
-
-class AudioContentView : public ContentView
-{
-public:
- AudioContentView (Timeline& tl, shared_ptr<Content> 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<Content> c)
- : ContentView (tl, c)
- {}
-
-private:
-
- wxString type () const
- {
- if (dynamic_pointer_cast<FFmpegContent> (content ())) {
- return _("video");
- } else {
- return _("still");
- }
- }
-
- wxColour colour () const
- {
- return wxColour (242, 92, 120, 255);
- }
-};
-
-class TimeAxisView : public View
-{
-public:
- TimeAxisView (Timeline& tl, int y)
- : View (tl)
- , _y (y)
- {}
-
- dcpomatic::Rect<int> bbox () const
- {
- return dcpomatic::Rect<int> (0, _y - 4, _timeline.width(), 24);
- }
-
- void set_y (int y)
- {
- _y = y;
- force_redraw ();
- }
-
-private:
-
- void do_paint (wxGraphicsContext* gc)
- {
- if (!_timeline.pixels_per_time_unit()) {
- return;
- }
-
- double const pptu = _timeline.pixels_per_time_unit().get ();
-
- gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 1, wxPENSTYLE_SOLID));
-
- int mark_interval = rint (128 / (TIME_HZ * pptu));
- 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 (_timeline.x_offset(), _y);
- path.AddLineToPoint (_timeline.width(), _y);
- gc->StrokePath (path);
-
- Time t = 0;
- while ((t * pptu) < _timeline.width()) {
- wxGraphicsPath path = gc->CreatePath ();
- path.MoveToPoint (time_x (t), _y - 4);
- path.AddLineToPoint (time_x (t), _y + 4);
- gc->StrokePath (path);
-
- int tc = t / TIME_HZ;
- 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 * pptu;
- if ((tx + str_width) < _timeline.width()) {
- gc->DrawText (str, time_x (t), _y + 16);
- }
-
- t += mark_interval * TIME_HZ;
- }
- }
-
-private:
- int _y;
-};
-
-
-Timeline::Timeline (wxWindow* parent, FilmEditor* ed, shared_ptr<Film> film)
+Timeline::Timeline (wxWindow* parent, ContentPanel* cp, shared_ptr<Film> film)
: wxPanel (parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE)
- , _film_editor (ed)
+ , _content_panel (cp)
, _film (film)
- , _time_axis_view (new TimeAxisView (*this, 32))
+ , _time_axis_view (new TimelineTimeAxisView (*this, 32))
, _tracks (0)
, _left_down (false)
, _down_view_position (0)
return;
}
- gc->SetFont (gc->CreateFont (*wxNORMAL_FONT));
-
- for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
+ for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
(*i)->paint (gc);
}
Timeline::playlist_changed ()
{
ensure_ui_thread ();
-
+ recreate_views ();
+}
+
+void
+Timeline::recreate_views ()
+{
shared_ptr<const Film> fl = _film.lock ();
if (!fl) {
return;
for (ContentList::iterator i = content.begin(); i != content.end(); ++i) {
if (dynamic_pointer_cast<VideoContent> (*i)) {
- _views.push_back (shared_ptr<View> (new VideoContentView (*this, *i)));
+ _views.push_back (shared_ptr<TimelineView> (new TimelineVideoContentView (*this, *i)));
}
- if (dynamic_pointer_cast<AudioContent> (*i)) {
- _views.push_back (shared_ptr<View> (new AudioContentView (*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_time_unit ();
+ setup_pixels_per_second ();
Refresh ();
}
if (property == ContentProperty::POSITION) {
assign_tracks ();
- setup_pixels_per_time_unit ();
+ 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_MAPPING) {
+ recreate_views ();
}
}
void
Timeline::assign_tracks ()
{
- for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
- shared_ptr<ContentView> c = dynamic_pointer_cast<ContentView> (*i);
+ 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 (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
- shared_ptr<ContentView> cv = dynamic_pointer_cast<ContentView> (*i);
+ for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
+ shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
if (!cv) {
continue;
}
int t = 0;
while (true) {
- ViewList::iterator j = _views.begin();
+ TimelineViewList::iterator j = _views.begin();
while (j != _views.end()) {
- shared_ptr<ContentView> test = dynamic_pointer_cast<ContentView> (*j);
+ shared_ptr<TimelineContentView> test = dynamic_pointer_cast<TimelineContentView> (*j);
if (!test) {
++j;
continue;
}
void
-Timeline::setup_pixels_per_time_unit ()
+Timeline::setup_pixels_per_second ()
{
shared_ptr<const Film> film = _film.lock ();
- if (!film || film->length() == 0) {
+ if (!film || film->length() == DCPTime ()) {
return;
}
- _pixels_per_time_unit = static_cast<double>(width() - x_offset() * 2) / film->length ();
+ _pixels_per_second = static_cast<double>(width() - x_offset() * 2) / film->length().seconds ();
}
-shared_ptr<View>
+shared_ptr<TimelineView>
Timeline::event_to_view (wxMouseEvent& ev)
{
- ViewList::iterator i = _views.begin();
+ 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<View> ();
+ return shared_ptr<TimelineView> ();
}
return *i;
void
Timeline::left_down (wxMouseEvent& ev)
{
- shared_ptr<View> view = event_to_view (ev);
- shared_ptr<ContentView> content_view = dynamic_pointer_cast<ContentView> (view);
+ shared_ptr<TimelineView> view = event_to_view (ev);
+ shared_ptr<TimelineContentView> content_view = dynamic_pointer_cast<TimelineContentView> (view);
_down_view.reset ();
_down_view_position = content_view->content()->position ();
}
- for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
- shared_ptr<ContentView> cv = dynamic_pointer_cast<ContentView> (*i);
+ for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
+ shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
if (!cv) {
continue;
}
}
if (view == *i) {
- _film_editor->set_selection (cv->content ());
+ _content_panel->set_selection (cv->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.
+ */
+ setup_pixels_per_second ();
+ Refresh ();
}
void
void
Timeline::right_down (wxMouseEvent& ev)
{
- shared_ptr<View> view = event_to_view (ev);
- shared_ptr<ContentView> cv = dynamic_pointer_cast<ContentView> (view);
+ shared_ptr<TimelineView> view = event_to_view (ev);
+ shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (view);
if (!cv) {
return;
}
cv->set_selected (true);
}
- _menu.popup (_film, selected_content (), ev.GetPosition ());
+ _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_time_unit) {
+ if (!_pixels_per_second) {
return;
}
- double const pptu = _pixels_per_time_unit.get ();
+ double const pps = _pixels_per_second.get ();
wxPoint const p = ev.GetPosition();
return;
}
- Time new_position = _down_view_position + (p.x - _down_point.x) / pptu;
+ DCPTime new_position = _down_view_position + DCPTime::from_seconds ((p.x - _down_point.x) / pps);
if (_snap) {
-
- bool first = true;
- Time nearest_distance = TIME_MAX;
- Time nearest_new_position = TIME_MAX;
+
+ 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 (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
- shared_ptr<ContentView> cv = dynamic_pointer_cast<ContentView> (*i);
- if (!cv || cv == _down_view) {
+ 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;
}
-
- {
- /* Snap starts to ends */
- Time const d = abs (cv->content()->end() - new_position);
- if (first || d < nearest_distance) {
- nearest_distance = d;
- nearest_new_position = cv->content()->end();
- }
- }
-
- {
- /* Snap ends to starts */
- Time const d = abs (cv->content()->position() - (new_position + _down_view->content()->length_after_trim()));
- if (d < nearest_distance) {
- nearest_distance = d;
- nearest_new_position = cv->content()->position() - _down_view->content()->length_after_trim ();
- }
- }
-
- first = false;
+
+ 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 (!first) {
+ if (nearest_distance) {
/* Snap if it's close; `close' means within a proportion of the time on the timeline */
- if (nearest_distance < (width() / pptu) / 32) {
- new_position = nearest_new_position;
+ if (nearest_distance.get().abs() < DCPTime::from_seconds ((width() / pps) / 64)) {
+ new_position += nearest_distance.get ();
}
}
}
- if (new_position < 0) {
- new_position = 0;
+ if (new_position < DCPTime ()) {
+ new_position = DCPTime ();
}
_down_view->content()->set_position (new_position);
shared_ptr<Film> film = _film.lock ();
- assert (film);
+ DCPOMATIC_ASSERT (film);
film->set_sequence_video (false);
}
void
Timeline::resized ()
{
- setup_pixels_per_time_unit ();
+ setup_pixels_per_second ();
}
void
Timeline::clear_selection ()
{
- for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
- shared_ptr<ContentView> cv = dynamic_pointer_cast<ContentView> (*i);
+ 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);
}
}
}
-Timeline::ContentViewList
+TimelineContentViewList
Timeline::selected_views () const
{
- ContentViewList sel;
+ TimelineContentViewList sel;
- for (ViewList::const_iterator i = _views.begin(); i != _views.end(); ++i) {
- shared_ptr<ContentView> cv = dynamic_pointer_cast<ContentView> (*i);
+ 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);
}
Timeline::selected_content () const
{
ContentList sel;
- ContentViewList views = selected_views ();
+ TimelineContentViewList views = selected_views ();
- for (ContentViewList::const_iterator i = views.begin(); i != views.end(); ++i) {
+ for (TimelineContentViewList::const_iterator i = views.begin(); i != views.end(); ++i) {
sel.push_back ((*i)->content ());
}