/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <list>
-#include <wx/graphics.h>
+#include "content_panel.h"
+#include "film_editor.h"
+#include "film_viewer.h"
#include "timeline.h"
+#include "timeline_atmos_content_view.h"
+#include "timeline_audio_content_view.h"
+#include "timeline_labels_view.h"
+#include "timeline_reels_view.h"
+#include "timeline_text_content_view.h"
+#include "timeline_time_axis_view.h"
+#include "timeline_video_content_view.h"
#include "wx_util.h"
-#include "playlist.h"
+#include "lib/atmos_mxf_content.h"
+#include "lib/audio_content.h"
+#include "lib/film.h"
+#include "lib/image_content.h"
+#include "lib/playlist.h"
+#include "lib/text_content.h"
+#include "lib/timer.h"
+#include "lib/video_content.h"
+#include <dcp/warnings.h>
+LIBDCP_DISABLE_WARNINGS
+#include <wx/graphics.h>
+LIBDCP_ENABLE_WARNINGS
+#include <iterator>
+#include <list>
+
+using std::abs;
+using std::dynamic_pointer_cast;
using std::list;
-using std::cout;
+using std::make_shared;
using std::max;
-using boost::shared_ptr;
+using std::min;
+using std::shared_ptr;
+using std::weak_ptr;
using boost::bind;
+using boost::optional;
+using namespace dcpomatic;
+#if BOOST_VERSION >= 106100
+using namespace boost::placeholders;
+#endif
+
+
+/* 3 hours in 640 pixels */
+double const Timeline::_minimum_pixels_per_second = 640.0 / (60 * 60 * 3);
+int const Timeline::_minimum_pixels_per_track = 16;
+
+
+Timeline::Timeline(wxWindow* parent, ContentPanel* cp, shared_ptr<Film> film, FilmViewer& viewer)
+ : wxPanel (parent, wxID_ANY)
+ , _labels_canvas (new wxScrolledCanvas (this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE))
+ , _main_canvas (new wxScrolledCanvas (this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE))
+ , _content_panel (cp)
+ , _film (film)
+ , _viewer (viewer)
+ , _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)
+ , _first_move (false)
+ , _menu (this, viewer)
+ , _snap (true)
+ , _tool (SELECT)
+ , _x_scroll_rate (16)
+ , _y_scroll_rate (16)
+ , _pixels_per_track (48)
+ , _first_resize (true)
+ , _timer (this)
+{
+#ifndef __WXOSX__
+ _labels_canvas->SetDoubleBuffered (true);
+ _main_canvas->SetDoubleBuffered (true);
+#endif
+
+ auto sizer = new wxBoxSizer (wxHORIZONTAL);
+ sizer->Add (_labels_canvas, 0, wxEXPAND);
+ _labels_canvas->SetMinSize (wxSize (_labels_view->bbox().width, -1));
+ sizer->Add (_main_canvas, 1, wxEXPAND);
+ SetSizer (sizer);
+
+ _labels_canvas->Bind (wxEVT_PAINT, boost::bind (&Timeline::paint_labels, this));
+ _main_canvas->Bind (wxEVT_PAINT, boost::bind (&Timeline::paint_main, this));
+ _main_canvas->Bind (wxEVT_LEFT_DOWN, boost::bind (&Timeline::left_down, this, _1));
+ _main_canvas->Bind (wxEVT_LEFT_UP, boost::bind (&Timeline::left_up, this, _1));
+ _main_canvas->Bind (wxEVT_RIGHT_DOWN, boost::bind (&Timeline::right_down, this, _1));
+ _main_canvas->Bind (wxEVT_MOTION, boost::bind (&Timeline::mouse_moved, this, _1));
+ _main_canvas->Bind (wxEVT_SIZE, boost::bind (&Timeline::resized, this));
+ _main_canvas->Bind (wxEVT_SCROLLWIN_TOP, boost::bind (&Timeline::scrolled, this, _1));
+ _main_canvas->Bind (wxEVT_SCROLLWIN_BOTTOM, boost::bind (&Timeline::scrolled, this, _1));
+ _main_canvas->Bind (wxEVT_SCROLLWIN_LINEUP, boost::bind (&Timeline::scrolled, this, _1));
+ _main_canvas->Bind (wxEVT_SCROLLWIN_LINEDOWN, boost::bind (&Timeline::scrolled, this, _1));
+ _main_canvas->Bind (wxEVT_SCROLLWIN_PAGEUP, boost::bind (&Timeline::scrolled, this, _1));
+ _main_canvas->Bind (wxEVT_SCROLLWIN_PAGEDOWN, boost::bind (&Timeline::scrolled, this, _1));
+ _main_canvas->Bind (wxEVT_SCROLLWIN_THUMBTRACK, boost::bind (&Timeline::scrolled, this, _1));
+
+ film_change (ChangeType::DONE, Film::Property::CONTENT);
+
+ SetMinSize (wxSize (640, 4 * pixels_per_track() + 96));
+
+ _film_changed_connection = film->Change.connect (bind (&Timeline::film_change, this, _1, _2));
+ _film_content_change_connection = film->ContentChange.connect (bind (&Timeline::film_content_change, this, _1, _3, _4));
+
+ Bind (wxEVT_TIMER, boost::bind(&Timeline::update_playhead, this));
+ _timer.Start (200, wxTIMER_CONTINUOUS);
+
+ setup_scrollbars ();
+ _labels_canvas->ShowScrollbars (wxSHOW_SB_NEVER, wxSHOW_SB_NEVER);
+}
+
+
+void
+Timeline::update_playhead ()
+{
+ Refresh ();
+}
+
+
+void
+Timeline::set_pixels_per_second (double pps)
+{
+ _pixels_per_second = max (_minimum_pixels_per_second, pps);
+}
+
+
+void
+Timeline::paint_labels ()
+{
+ wxPaintDC dc (_labels_canvas);
+
+ auto gc = wxGraphicsContext::Create (dc);
+ if (!gc) {
+ return;
+ }
+
+ int vsx, vsy;
+ _labels_canvas->GetViewStart (&vsx, &vsy);
+ gc->Translate (-vsx * _x_scroll_rate, -vsy * _y_scroll_rate + tracks_y_offset());
+
+ _labels_view->paint (gc, {});
+
+ delete gc;
+}
-int const Timeline::_track_height = 64;
-Timeline::Timeline (wxWindow* parent, shared_ptr<Playlist> pl)
- : wxPanel (parent)
- , _playlist (pl)
+void
+Timeline::paint_main ()
{
- SetDoubleBuffered (true);
-
- Connect (wxID_ANY, wxEVT_PAINT, wxPaintEventHandler (Timeline::paint), 0, this);
+ wxPaintDC dc (_main_canvas);
+ _main_canvas->DoPrepareDC (dc);
+
+ auto gc = wxGraphicsContext::Create (dc);
+ if (!gc) {
+ return;
+ }
+
+ int vsx, vsy;
+ _main_canvas->GetViewStart (&vsx, &vsy);
+ gc->Translate (-vsx * _x_scroll_rate, -vsy * _y_scroll_rate);
+
+ gc->SetAntialiasMode (wxANTIALIAS_DEFAULT);
+
+ for (auto i: _views) {
+
+ auto ic = dynamic_pointer_cast<TimelineContentView> (i);
+
+ /* Find areas of overlap with other content views, so that we can plot them */
+ list<dcpomatic::Rect<int>> overlaps;
+ for (auto j: _views) {
+ auto jc = dynamic_pointer_cast<TimelineContentView> (j);
+ /* No overlap with non-content views, views on 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;
+ }
+
+ auto r = j->bbox().intersection(i->bbox());
+ if (r) {
+ overlaps.push_back (r.get ());
+ }
+ }
+
+ i->paint (gc, overlaps);
+ }
+
+ if (_zoom_point) {
+ /* Translate back as _down_point and _zoom_point do not take scroll into account */
+ gc->Translate (vsx * _x_scroll_rate, vsy * _y_scroll_rate);
+ gc->SetPen(gui_is_dark() ? *wxWHITE_PEN : *wxBLACK_PEN);
+ gc->SetBrush (*wxTRANSPARENT_BRUSH);
+ gc->DrawRectangle (
+ min (_down_point.x, _zoom_point->x),
+ min (_down_point.y, _zoom_point->y),
+ abs (_down_point.x - _zoom_point->x),
+ abs (_down_point.y - _zoom_point->y)
+ );
+ }
+
+ /* Playhead */
+
+ gc->SetPen (*wxRED_PEN);
+ auto path = gc->CreatePath ();
+ double const ph = _viewer.position().seconds() * pixels_per_second().get_value_or(0);
+ path.MoveToPoint (ph, 0);
+ path.AddLineToPoint (ph, pixels_per_track() * _tracks + 32);
+ gc->StrokePath (path);
+
+ delete gc;
+}
+
+
+void
+Timeline::film_change (ChangeType type, Film::Property p)
+{
+ if (type != ChangeType::DONE) {
+ return;
+ }
+
+ if (p == Film::Property::CONTENT || p == Film::Property::REEL_TYPE || p == Film::Property::REEL_LENGTH) {
+ ensure_ui_thread ();
+ recreate_views ();
+ } else if (p == Film::Property::CONTENT_ORDER) {
+ Refresh ();
+ }
+}
+
+
+void
+Timeline::recreate_views ()
+{
+ auto film = _film.lock ();
+ if (!film) {
+ return;
+ }
+
+ _views.clear ();
+ _views.push_back (_time_axis_view);
+ _views.push_back (_reels_view);
+
+ for (auto i: film->content ()) {
+ if (i->video) {
+ _views.push_back (make_shared<TimelineVideoContentView>(*this, i));
+ }
+
+ if (i->audio && !i->audio->mapping().mapped_output_channels().empty ()) {
+ _views.push_back (make_shared<TimelineAudioContentView>(*this, i));
+ }
+
+ for (auto j: i->text) {
+ _views.push_back (make_shared<TimelineTextContentView>(*this, i, j));
+ }
+
+ if (i->atmos) {
+ _views.push_back (make_shared<TimelineAtmosContentView>(*this, i));
+ }
+ }
- 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));
+ assign_tracks ();
+ setup_scrollbars ();
+ Refresh ();
+}
+
+
+void
+Timeline::film_content_change (ChangeType type, int property, bool frequent)
+{
+ if (type != ChangeType::DONE) {
+ return;
}
- pl->Changed.connect (bind (&Timeline::playlist_changed, this));
- pl->ContentChanged.connect (bind (&Timeline::playlist_changed, this));
+ ensure_ui_thread ();
+
+ if (property == AudioContentProperty::STREAMS || property == VideoContentProperty::FRAME_TYPE) {
+ recreate_views ();
+ } else if (property == ContentProperty::POSITION || property == ContentProperty::LENGTH) {
+ _reels_view->force_redraw ();
+ } else if (!frequent) {
+ setup_scrollbars ();
+ Refresh ();
+ }
}
+
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
- )
+place (shared_ptr<const Film> film, TimelineViewList& views, int& tracks)
+{
+ int const base = tracks;
+
+ for (auto i: views) {
+ if (!dynamic_pointer_cast<T>(i)) {
+ continue;
+ }
+
+ auto cv = dynamic_pointer_cast<TimelineContentView> (i);
+
+ int t = base;
+
+ auto content = cv->content();
+ DCPTimePeriod const content_period (content->position(), content->end(film));
+
+ while (true) {
+ auto j = views.begin();
+ while (j != views.end()) {
+ auto test = dynamic_pointer_cast<T> (*j);
+ if (!test) {
+ ++j;
+ continue;
+ }
+
+ auto test_content = test->content();
+ if (
+ test->track() && test->track().get() == t &&
+ content_period.overlap(DCPTimePeriod(test_content->position(), test_content->end(film)))) {
+ /* 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);
+ }
+
+ return tracks - base;
+}
+
+
+/** Compare the mapped output channels of two TimelineViews, so we can into
+ * order of first mapped DCP channel.
+ */
+struct AudioMappingComparator {
+ bool operator()(shared_ptr<TimelineView> a, shared_ptr<TimelineView> b) {
+ int la = -1;
+ auto cva = dynamic_pointer_cast<TimelineAudioContentView>(a);
+ if (cva) {
+ auto oc = cva->content()->audio->mapping().mapped_output_channels();
+ la = *min_element(boost::begin(oc), boost::end(oc));
+ }
+ int lb = -1;
+ auto cvb = dynamic_pointer_cast<TimelineAudioContentView>(b);
+ if (cvb) {
+ auto oc = cvb->content()->audio->mapping().mapped_output_channels();
+ lb = *min_element(boost::begin(oc), boost::end(oc));
+ }
+ return la < lb;
+ }
+};
+
+
+void
+Timeline::assign_tracks ()
+{
+ /* Tracks are:
+ Video 1
+ Video 2
+ Video N
+ Text 1
+ Text 2
+ Text N
+ Atmos
+ Audio 1
+ Audio 2
+ Audio N
+ */
+
+ auto film = _film.lock ();
+ DCPOMATIC_ASSERT (film);
+
+ _tracks = 0;
+
+ for (auto i: _views) {
+ auto c = dynamic_pointer_cast<TimelineContentView>(i);
+ if (c) {
+ c->unset_track ();
+ }
+ }
+
+ int const video_tracks = place<TimelineVideoContentView> (film, _views, _tracks);
+ int const text_tracks = place<TimelineTextContentView> (film, _views, _tracks);
+
+ /* Atmos */
+
+ bool have_atmos = false;
+ for (auto i: _views) {
+ auto cv = dynamic_pointer_cast<TimelineAtmosContentView>(i);
+ if (cv) {
+ cv->set_track (_tracks);
+ have_atmos = true;
+ }
+ }
+
+ if (have_atmos) {
+ ++_tracks;
+ }
+
+ /* Audio. We're sorting the views so that we get the audio views in order of increasing
+ DCP channel index.
+ */
+
+ auto views = _views;
+ sort(views.begin(), views.end(), AudioMappingComparator());
+ int const audio_tracks = place<TimelineAudioContentView> (film, views, _tracks);
+
+ _labels_view->set_video_tracks (video_tracks);
+ _labels_view->set_audio_tracks (audio_tracks);
+ _labels_view->set_text_tracks (text_tracks);
+ _labels_view->set_atmos (have_atmos);
+
+ _time_axis_view->set_y (tracks());
+ _reels_view->set_y (8);
+}
+
+
+int
+Timeline::tracks () const
+{
+ return _tracks;
+}
+
+
+void
+Timeline::setup_scrollbars ()
+{
+ auto film = _film.lock ();
+ if (!film || !_pixels_per_second) {
+ return;
+ }
+
+ int const h = tracks() * pixels_per_track() + tracks_y_offset() + _time_axis_view->bbox().height;
+
+ _labels_canvas->SetVirtualSize (_labels_view->bbox().width, h);
+ _labels_canvas->SetScrollRate (_x_scroll_rate, _y_scroll_rate);
+ _main_canvas->SetVirtualSize (*_pixels_per_second * film->length().seconds(), h);
+ _main_canvas->SetScrollRate (_x_scroll_rate, _y_scroll_rate);
+}
+
+
+shared_ptr<TimelineView>
+Timeline::event_to_view (wxMouseEvent& ev)
+{
+ /* Search backwards through views so that we find the uppermost one first */
+ auto i = _views.rbegin();
+
+ int vsx, vsy;
+ _main_canvas->GetViewStart (&vsx, &vsy);
+ Position<int> const p (ev.GetX() + vsx * _x_scroll_rate, ev.GetY() + vsy * _y_scroll_rate);
+
+ while (i != _views.rend() && !(*i)->bbox().contains (p)) {
+ ++i;
+ }
+
+ if (i == _views.rend ()) {
+ return {};
+ }
+
+ return *i;
+}
+
+
+void
+Timeline::left_down (wxMouseEvent& ev)
+{
+ _left_down = true;
+ _down_point = ev.GetPosition ();
+
+ switch (_tool) {
+ case SELECT:
+ left_down_select (ev);
+ break;
+ case ZOOM:
+ case ZOOM_ALL:
+ case SNAP:
+ case SEQUENCE:
+ /* Nothing to do */
+ break;
+ }
+}
+
+
+void
+Timeline::left_down_select (wxMouseEvent& ev)
{
- 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);
+ auto view = event_to_view (ev);
+ auto content_view = dynamic_pointer_cast<TimelineContentView>(view);
- wxString name = wxString::Format (wxT ("%s [%s]"), std_to_wx ((*i)->file().filename().string()).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->ResetClip ();
+ _down_view.reset ();
- if (consecutive) {
- t += len;
- } else {
- y += track_height;
+ if (content_view) {
+ _down_view = content_view;
+ _down_view_position = content_view->content()->position ();
+ }
+
+ for (auto i: _views) {
+ auto cv = dynamic_pointer_cast<TimelineContentView>(i);
+ if (!cv) {
+ continue;
+ }
+
+ if (!ev.ShiftDown ()) {
+ cv->set_selected (view == i);
}
}
- if (consecutive) {
- y += track_height;
+ if (content_view && ev.ShiftDown ()) {
+ content_view->set_selected (!content_view->selected ());
}
- return y;
+ _first_move = false;
+
+ if (_down_view) {
+ /* Pre-compute the points that we might snap to */
+ for (auto i: _views) {
+ auto cv = dynamic_pointer_cast<TimelineContentView>(i);
+ if (!cv || cv == _down_view || cv->content() == _down_view->content()) {
+ continue;
+ }
+
+ auto film = _film.lock ();
+ DCPOMATIC_ASSERT (film);
+
+ _start_snaps.push_back (cv->content()->position());
+ _end_snaps.push_back (cv->content()->position());
+ _start_snaps.push_back (cv->content()->end(film));
+ _end_snaps.push_back (cv->content()->end(film));
+
+ for (auto i: cv->content()->reel_split_points(film)) {
+ _start_snaps.push_back (i);
+ }
+ }
+
+ /* Tell everyone that things might change frequently during the drag */
+ _down_view->content()->set_change_signals_frequent (true);
+ }
}
+
void
-Timeline::paint (wxPaintEvent &)
+Timeline::left_up (wxMouseEvent& ev)
{
- wxPaintDC dc (this);
+ _left_down = false;
- shared_ptr<Playlist> pl = _playlist.lock ();
- if (!pl) {
+ switch (_tool) {
+ case SELECT:
+ left_up_select (ev);
+ break;
+ case ZOOM:
+ left_up_zoom (ev);
+ break;
+ case ZOOM_ALL:
+ case SNAP:
+ case SEQUENCE:
+ break;
+ }
+}
+
+
+void
+Timeline::left_up_select (wxMouseEvent& ev)
+{
+ if (_down_view) {
+ _down_view->content()->set_change_signals_frequent (false);
+ }
+
+ _content_panel->set_selection (selected_content ());
+ /* Since we may have just set change signals back to `not-frequent', we have to
+ make sure this position change is signalled, even if the position value has
+ not changed since the last time it was set (with frequent=true). This is
+ a bit of a hack.
+ */
+ set_position_from_event (ev, true);
+
+ /* Clear up up the stuff we don't do during drag */
+ assign_tracks ();
+ setup_scrollbars ();
+ Refresh ();
+
+ _start_snaps.clear ();
+ _end_snaps.clear ();
+}
+
+
+void
+Timeline::left_up_zoom (wxMouseEvent& ev)
+{
+ _zoom_point = ev.GetPosition ();
+
+ int vsx, vsy;
+ _main_canvas->GetViewStart (&vsx, &vsy);
+
+ wxPoint top_left(min(_down_point.x, _zoom_point->x), min(_down_point.y, _zoom_point->y));
+ wxPoint bottom_right(max(_down_point.x, _zoom_point->x), max(_down_point.y, _zoom_point->y));
+
+ if ((bottom_right.x - top_left.x) < 8 || (bottom_right.y - top_left.y) < 8) {
+ /* Very small zoom rectangle: we assume it wasn't intentional */
+ _zoom_point = optional<wxPoint> ();
+ Refresh ();
return;
}
- wxGraphicsContext* gc = wxGraphicsContext::Create (dc);
- if (!gc) {
+ auto const time_left = DCPTime::from_seconds((top_left.x + vsx) / *_pixels_per_second);
+ auto const time_right = DCPTime::from_seconds((bottom_right.x + vsx) / *_pixels_per_second);
+ set_pixels_per_second (double(GetSize().GetWidth()) / (time_right.seconds() - time_left.seconds()));
+
+ double const tracks_top = double(top_left.y - tracks_y_offset()) / _pixels_per_track;
+ double const tracks_bottom = double(bottom_right.y - tracks_y_offset()) / _pixels_per_track;
+ set_pixels_per_track (lrint(GetSize().GetHeight() / (tracks_bottom - tracks_top)));
+
+ setup_scrollbars ();
+ int const y = (tracks_top * _pixels_per_track + tracks_y_offset()) / _y_scroll_rate;
+ _main_canvas->Scroll (time_left.seconds() * *_pixels_per_second / _x_scroll_rate, y);
+ _labels_canvas->Scroll (0, y);
+
+ _zoom_point = optional<wxPoint> ();
+ Refresh ();
+}
+
+
+void
+Timeline::set_pixels_per_track (int h)
+{
+ _pixels_per_track = max(_minimum_pixels_per_track, h);
+}
+
+
+void
+Timeline::mouse_moved (wxMouseEvent& ev)
+{
+ switch (_tool) {
+ case SELECT:
+ mouse_moved_select (ev);
+ break;
+ case ZOOM:
+ mouse_moved_zoom (ev);
+ break;
+ case ZOOM_ALL:
+ case SNAP:
+ case SEQUENCE:
+ break;
+ }
+}
+
+
+void
+Timeline::mouse_moved_select (wxMouseEvent& ev)
+{
+ if (!_left_down) {
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());
+ set_position_from_event (ev);
+}
- gc->SetFont (gc->CreateFont (*wxNORMAL_FONT));
- 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);
+void
+Timeline::mouse_moved_zoom (wxMouseEvent& ev)
+{
+ if (!_left_down) {
+ return;
+ }
+
+ _zoom_point = ev.GetPosition ();
+ Refresh ();
+}
- /* 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;
+void
+Timeline::right_down (wxMouseEvent& ev)
+{
+ switch (_tool) {
+ case SELECT:
+ right_down_select (ev);
+ break;
+ case ZOOM:
+ /* Zoom out */
+ set_pixels_per_second (*_pixels_per_second / 2);
+ set_pixels_per_track (_pixels_per_track / 2);
+ setup_scrollbars ();
+ Refresh ();
+ break;
+ case ZOOM_ALL:
+ case SNAP:
+ case SEQUENCE:
+ break;
}
- if (mark_interval > 10) {
- mark_interval -= mark_interval % 10;
+}
+
+
+void
+Timeline::right_down_select (wxMouseEvent& ev)
+{
+ auto view = event_to_view (ev);
+ auto cv = dynamic_pointer_cast<TimelineContentView> (view);
+ if (!cv) {
+ return;
}
- if (mark_interval > 60) {
- mark_interval -= mark_interval % 60;
+
+ if (!cv->selected ()) {
+ clear_selection ();
+ cv->set_selected (true);
}
- if (mark_interval > 3600) {
- mark_interval -= mark_interval % 3600;
+
+ _menu.popup (_film, selected_content (), selected_views (), ev.GetPosition ());
+}
+
+
+void
+Timeline::maybe_snap (DCPTime a, DCPTime b, optional<DCPTime>& nearest_distance) const
+{
+ auto const d = a - b;
+ if (!nearest_distance || d.abs() < nearest_distance.get().abs()) {
+ nearest_distance = d;
}
+}
- 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);
+void
+Timeline::set_position_from_event (wxMouseEvent& ev, bool force_emit)
+{
+ if (!_pixels_per_second) {
+ return;
+ }
+
+ double const pps = _pixels_per_second.get ();
+
+ auto 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;
+ }
+
+ auto new_position = _down_view_position + DCPTime::from_seconds ((p.x - _down_point.x) / pps);
- 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);
+ auto film = _film.lock ();
+ DCPOMATIC_ASSERT (film);
- int tc = t;
- int const h = tc / 3600;
- tc -= h * 3600;
- int const m = tc / 60;
- tc -= m * 60;
- int const s = tc;
+ if (_snap) {
+ auto const new_end = new_position + _down_view->content()->length_after_trim(film);
+ /* Signed `distance' to nearest thing (i.e. negative is left on the timeline,
+ positive is right).
+ */
+ optional<DCPTime> nearest_distance;
- 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);
+ /* Find the nearest snap point */
- 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);
+ for (auto i: _start_snaps) {
+ maybe_snap (i, new_position, nearest_distance);
+ }
+
+ for (auto i: _end_snaps) {
+ maybe_snap (i, 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;
}
- delete gc;
+ if (new_position < DCPTime ()) {
+ new_position = DCPTime ();
+ }
+
+ _down_view->content()->set_position (film, new_position, force_emit);
+
+ film->set_sequence (false);
+}
+
+
+void
+Timeline::force_redraw (dcpomatic::Rect<int> const & r)
+{
+ _main_canvas->RefreshRect (wxRect (r.x, r.y, r.width, r.height), false);
+}
+
+
+shared_ptr<const Film>
+Timeline::film () const
+{
+ return _film.lock ();
+}
+
+
+void
+Timeline::resized ()
+{
+ if (_main_canvas->GetSize().GetWidth() > 0 && _first_resize) {
+ zoom_all ();
+ _first_resize = false;
+ }
+ setup_scrollbars ();
+}
+
+
+void
+Timeline::clear_selection ()
+{
+ for (auto i: _views) {
+ shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView>(i);
+ if (cv) {
+ cv->set_selected (false);
+ }
+ }
+}
+
+
+TimelineContentViewList
+Timeline::selected_views () const
+{
+ TimelineContentViewList sel;
+
+ for (auto i: _views) {
+ auto cv = dynamic_pointer_cast<TimelineContentView>(i);
+ if (cv && cv->selected()) {
+ sel.push_back (cv);
+ }
+ }
+
+ return sel;
+}
+
+
+ContentList
+Timeline::selected_content () const
+{
+ ContentList sel;
+
+ for (auto i: selected_views()) {
+ sel.push_back(i->content());
+ }
+
+ return sel;
}
+
+void
+Timeline::set_selection (ContentList selection)
+{
+ for (auto i: _views) {
+ auto cv = dynamic_pointer_cast<TimelineContentView> (i);
+ if (cv) {
+ cv->set_selected (find (selection.begin(), selection.end(), cv->content ()) != selection.end ());
+ }
+ }
+}
+
+
+int
+Timeline::tracks_y_offset () const
+{
+ return _reels_view->bbox().height + 4;
+}
+
+
+int
+Timeline::width () const
+{
+ return _main_canvas->GetVirtualSize().GetWidth();
+}
+
+
+void
+Timeline::scrolled (wxScrollWinEvent& ev)
+{
+ if (ev.GetOrientation() == wxVERTICAL) {
+ int x, y;
+ _main_canvas->GetViewStart (&x, &y);
+ _labels_canvas->Scroll (0, y);
+ }
+ ev.Skip ();
+}
+
+
+void
+Timeline::tool_clicked (Tool t)
+{
+ switch (t) {
+ case ZOOM:
+ case SELECT:
+ _tool = t;
+ break;
+ case ZOOM_ALL:
+ zoom_all ();
+ break;
+ case SNAP:
+ case SEQUENCE:
+ break;
+ }
+}
+
+
void
-Timeline::playlist_changed ()
+Timeline::zoom_all ()
{
+ auto film = _film.lock ();
+ DCPOMATIC_ASSERT (film);
+ set_pixels_per_second ((_main_canvas->GetSize().GetWidth() - 32) / film->length().seconds());
+ set_pixels_per_track ((_main_canvas->GetSize().GetHeight() - tracks_y_offset() - _time_axis_view->bbox().height - 32) / _tracks);
+ setup_scrollbars ();
+ _main_canvas->Scroll (0, 0);
+ _labels_canvas->Scroll (0, 0);
Refresh ();
}