2 Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <wx/graphics.h>
22 #include <boost/weak_ptr.hpp>
24 #include "lib/playlist.h"
25 #include "film_editor.h"
28 #include "repeat_dialog.h"
33 using boost::shared_ptr;
34 using boost::weak_ptr;
35 using boost::dynamic_pointer_cast;
38 class View : public boost::noncopyable
47 void paint (wxGraphicsContext* g)
49 _last_paint_bbox = bbox ();
55 _timeline.force_redraw (_last_paint_bbox);
56 _timeline.force_redraw (bbox ());
59 virtual dcpomatic::Rect<int> bbox () const = 0;
62 virtual void do_paint (wxGraphicsContext *) = 0;
64 int time_x (Time t) const
66 return _timeline.tracks_position().x + t * _timeline.pixels_per_time_unit();
72 dcpomatic::Rect<int> _last_paint_bbox;
75 class ContentView : public View
78 ContentView (Timeline& tl, shared_ptr<Content> c, int t)
84 _content_connection = c->Changed.connect (bind (&ContentView::content_changed, this, _2, _3));
87 dcpomatic::Rect<int> bbox () const
89 shared_ptr<const Film> film = _timeline.film ();
90 shared_ptr<const Content> content = _content.lock ();
91 if (!film || !content) {
92 return dcpomatic::Rect<int> ();
95 return dcpomatic::Rect<int> (
96 time_x (content->start ()) - 8,
98 content->length () * _timeline.pixels_per_time_unit() + 16,
99 _timeline.track_height() + 16
103 void set_selected (bool s) {
108 bool selected () const {
112 shared_ptr<Content> content () const {
113 return _content.lock ();
116 void set_track (int t) {
124 virtual wxString type () const = 0;
125 virtual wxColour colour () const = 0;
129 void do_paint (wxGraphicsContext* gc)
131 shared_ptr<const Film> film = _timeline.film ();
132 shared_ptr<const Content> cont = content ();
133 if (!film || !cont) {
137 Time const start = cont->start ();
138 Time const len = cont->length ();
140 wxColour selected (colour().Red() / 2, colour().Green() / 2, colour().Blue() / 2);
142 gc->SetPen (*wxBLACK_PEN);
144 gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 4, wxPENSTYLE_SOLID));
146 gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (selected, wxBRUSHSTYLE_SOLID));
148 gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (colour(), wxBRUSHSTYLE_SOLID));
151 wxGraphicsPath path = gc->CreatePath ();
152 path.MoveToPoint (time_x (start), y_pos (_track) + 4);
153 path.AddLineToPoint (time_x (start + len), y_pos (_track) + 4);
154 path.AddLineToPoint (time_x (start + len), y_pos (_track + 1) - 4);
155 path.AddLineToPoint (time_x (start), y_pos (_track + 1) - 4);
156 path.AddLineToPoint (time_x (start), y_pos (_track) + 4);
157 gc->StrokePath (path);
160 wxString name = wxString::Format (wxT ("%s [%s]"), std_to_wx (cont->file().filename().string()).data(), type().data());
162 wxDouble name_height;
163 wxDouble name_descent;
164 wxDouble name_leading;
165 gc->GetTextExtent (name, &name_width, &name_height, &name_descent, &name_leading);
167 gc->Clip (wxRegion (time_x (start), y_pos (_track), len * _timeline.pixels_per_time_unit(), _timeline.track_height()));
168 gc->DrawText (name, time_x (start) + 12, y_pos (_track + 1) - name_height - 4);
172 int y_pos (int t) const
174 return _timeline.tracks_position().y + t * _timeline.track_height();
177 void content_changed (int p, bool frequent)
179 if (p == ContentProperty::START || p == ContentProperty::LENGTH) {
184 _timeline.setup_pixels_per_time_unit ();
185 _timeline.Refresh ();
189 boost::weak_ptr<Content> _content;
193 boost::signals2::scoped_connection _content_connection;
196 class AudioContentView : public ContentView
199 AudioContentView (Timeline& tl, shared_ptr<Content> c, int t)
200 : ContentView (tl, c, t)
204 wxString type () const
209 wxColour colour () const
211 return wxColour (149, 121, 232, 255);
215 class VideoContentView : public ContentView
218 VideoContentView (Timeline& tl, shared_ptr<Content> c, int t)
219 : ContentView (tl, c, t)
224 wxString type () const
226 if (dynamic_pointer_cast<FFmpegContent> (content ())) {
233 wxColour colour () const
235 return wxColour (242, 92, 120, 255);
239 class TimeAxisView : public View
242 TimeAxisView (Timeline& tl, int y)
247 dcpomatic::Rect<int> bbox () const
249 return dcpomatic::Rect<int> (0, _y - 4, _timeline.width(), 24);
260 void do_paint (wxGraphicsContext* gc)
262 gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 1, wxPENSTYLE_SOLID));
264 int mark_interval = rint (128 / (TIME_HZ * _timeline.pixels_per_time_unit ()));
265 if (mark_interval > 5) {
266 mark_interval -= mark_interval % 5;
268 if (mark_interval > 10) {
269 mark_interval -= mark_interval % 10;
271 if (mark_interval > 60) {
272 mark_interval -= mark_interval % 60;
274 if (mark_interval > 3600) {
275 mark_interval -= mark_interval % 3600;
278 if (mark_interval < 1) {
282 wxGraphicsPath path = gc->CreatePath ();
283 path.MoveToPoint (_timeline.x_offset(), _y);
284 path.AddLineToPoint (_timeline.width(), _y);
285 gc->StrokePath (path);
288 while ((t * _timeline.pixels_per_time_unit()) < _timeline.width()) {
289 wxGraphicsPath path = gc->CreatePath ();
290 path.MoveToPoint (time_x (t), _y - 4);
291 path.AddLineToPoint (time_x (t), _y + 4);
292 gc->StrokePath (path);
294 int tc = t / TIME_HZ;
295 int const h = tc / 3600;
297 int const m = tc / 60;
301 wxString str = wxString::Format (wxT ("%02d:%02d:%02d"), h, m, s);
304 wxDouble str_descent;
305 wxDouble str_leading;
306 gc->GetTextExtent (str, &str_width, &str_height, &str_descent, &str_leading);
308 int const tx = _timeline.x_offset() + t * _timeline.pixels_per_time_unit();
309 if ((tx + str_width) < _timeline.width()) {
310 gc->DrawText (str, time_x (t), _y + 16);
313 t += mark_interval * TIME_HZ;
326 Timeline::Timeline (wxWindow* parent, FilmEditor* ed, shared_ptr<Film> film)
327 : wxPanel (parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE)
330 , _time_axis_view (new TimeAxisView (*this, 32))
332 , _pixels_per_time_unit (0)
334 , _down_view_start (0)
335 , _first_move (false)
339 SetDoubleBuffered (true);
342 Connect (wxID_ANY, wxEVT_PAINT, wxPaintEventHandler (Timeline::paint), 0, this);
343 Connect (wxID_ANY, wxEVT_LEFT_DOWN, wxMouseEventHandler (Timeline::left_down), 0, this);
344 Connect (wxID_ANY, wxEVT_LEFT_UP, wxMouseEventHandler (Timeline::left_up), 0, this);
345 Connect (wxID_ANY, wxEVT_RIGHT_DOWN, wxMouseEventHandler (Timeline::right_down), 0, this);
346 Connect (wxID_ANY, wxEVT_MOTION, wxMouseEventHandler (Timeline::mouse_moved), 0, this);
347 Connect (wxID_ANY, wxEVT_SIZE, wxSizeEventHandler (Timeline::resized), 0, this);
349 Connect (ID_repeat, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler (Timeline::repeat), 0, this);
350 Connect (ID_remove, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler (Timeline::remove), 0, this);
354 SetMinSize (wxSize (640, tracks() * track_height() + 96));
356 _playlist_connection = film->playlist()->Changed.connect (bind (&Timeline::playlist_changed, this));
360 Timeline::paint (wxPaintEvent &)
364 wxGraphicsContext* gc = wxGraphicsContext::Create (dc);
369 gc->SetFont (gc->CreateFont (*wxNORMAL_FONT));
371 for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
379 Timeline::playlist_changed ()
381 shared_ptr<const Film> fl = _film.lock ();
387 _views.push_back (_time_axis_view);
389 ContentList content = fl->playlist()->content ();
391 for (ContentList::iterator i = content.begin(); i != content.end(); ++i) {
392 if (dynamic_pointer_cast<VideoContent> (*i)) {
393 _views.push_back (shared_ptr<View> (new VideoContentView (*this, *i, 0)));
395 if (dynamic_pointer_cast<AudioContent> (*i)) {
396 _views.push_back (shared_ptr<View> (new AudioContentView (*this, *i, 0)));
401 setup_pixels_per_time_unit ();
406 Timeline::assign_tracks ()
408 for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
409 shared_ptr<ContentView> cv = dynamic_pointer_cast<ContentView> (*i);
416 for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
417 shared_ptr<AudioContentView> acv = dynamic_pointer_cast<AudioContentView> (*i);
422 shared_ptr<Content> acv_content = acv->content();
426 ViewList::iterator j = _views.begin();
427 while (j != _views.end()) {
428 shared_ptr<AudioContentView> test = dynamic_pointer_cast<AudioContentView> (*j);
434 shared_ptr<Content> test_content = test->content();
436 if (test && test->track() == t) {
437 if ((acv_content->start() < test_content->start() && test_content->start() < acv_content->end()) ||
438 (acv_content->start() < test_content->end() && test_content->end() < acv_content->end())) {
439 /* we have an overlap on track `t' */
448 if (j == _views.end ()) {
449 /* no overlap on `t' */
455 _tracks = max (_tracks, t + 1);
458 _time_axis_view->set_y (tracks() * track_height() + 32);
462 Timeline::tracks () const
468 Timeline::setup_pixels_per_time_unit ()
470 shared_ptr<const Film> film = _film.lock ();
475 _pixels_per_time_unit = static_cast<double>(width() - x_offset() * 2) / film->length ();
479 Timeline::event_to_view (wxMouseEvent& ev)
481 ViewList::iterator i = _views.begin();
482 Position<int> const p (ev.GetX(), ev.GetY());
483 while (i != _views.end() && !(*i)->bbox().contains (p)) {
487 if (i == _views.end ()) {
488 return shared_ptr<View> ();
495 Timeline::left_down (wxMouseEvent& ev)
497 shared_ptr<View> view = event_to_view (ev);
498 shared_ptr<ContentView> content_view = dynamic_pointer_cast<ContentView> (view);
503 _down_view = content_view;
504 _down_view_start = content_view->content()->start ();
507 for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
508 shared_ptr<ContentView> cv = dynamic_pointer_cast<ContentView> (*i);
513 if (!ev.ShiftDown ()) {
514 cv->set_selected (view == *i);
518 _film_editor->set_selection (cv->content ());
522 if (content_view && ev.ShiftDown ()) {
523 content_view->set_selected (!content_view->selected ());
527 _down_point = ev.GetPosition ();
531 _down_view->content()->set_change_signals_frequent (true);
536 Timeline::left_up (wxMouseEvent& ev)
541 _down_view->content()->set_change_signals_frequent (false);
544 set_start_from_event (ev);
548 Timeline::mouse_moved (wxMouseEvent& ev)
554 set_start_from_event (ev);
558 Timeline::right_down (wxMouseEvent& ev)
560 shared_ptr<View> view = event_to_view (ev);
561 shared_ptr<ContentView> cv = dynamic_pointer_cast<ContentView> (view);
566 if (!cv->selected ()) {
568 cv->set_selected (true);
573 _menu->Append (ID_repeat, _("Repeat..."));
574 _menu->AppendSeparator ();
575 _menu->Append (ID_remove, _("Remove"));
578 PopupMenu (_menu, ev.GetPosition ());
582 Timeline::set_start_from_event (wxMouseEvent& ev)
584 wxPoint const p = ev.GetPosition();
587 int const dist = sqrt (pow (p.x - _down_point.x, 2) + pow (p.y - _down_point.y, 2));
594 Time const time_diff = (p.x - _down_point.x) / _pixels_per_time_unit;
596 _down_view->content()->set_start (max (static_cast<Time> (0), _down_view_start + time_diff));
598 shared_ptr<Film> film = _film.lock ();
600 film->set_sequence_video (false);
605 Timeline::force_redraw (dcpomatic::Rect<int> const & r)
607 RefreshRect (wxRect (r.x, r.y, r.width, r.height), false);
610 shared_ptr<const Film>
611 Timeline::film () const
613 return _film.lock ();
617 Timeline::resized (wxSizeEvent &)
619 setup_pixels_per_time_unit ();
623 Timeline::clear_selection ()
625 for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
626 shared_ptr<ContentView> cv = dynamic_pointer_cast<ContentView> (*i);
628 cv->set_selected (false);
634 Timeline::repeat (wxCommandEvent &)
636 ContentList sel = selected_content ();
641 RepeatDialog d (this);
644 shared_ptr<const Film> film = _film.lock ();
649 film->playlist()->repeat (sel, d.number ());
654 Timeline::remove (wxCommandEvent &)
656 ContentList sel = selected_content ();
661 shared_ptr<const Film> film = _film.lock ();
666 film->playlist()->remove (sel);
669 Timeline::ContentViewList
670 Timeline::selected_views () const
674 for (ViewList::const_iterator i = _views.begin(); i != _views.end(); ++i) {
675 shared_ptr<ContentView> cv = dynamic_pointer_cast<ContentView> (*i);
676 if (cv && cv->selected()) {
685 Timeline::selected_content () const
688 ContentViewList views = selected_views ();
690 for (ContentViewList::const_iterator i = views.begin(); i != views.end(); ++i) {
691 sel.push_back ((*i)->content ());