src/wx/control_film_viewer.cc

   1 #include "control_film_viewer.h"
   2 #include "film_viewer.h"
   3 #include "wx_util.h"
   4 #include "playhead_to_timecode_dialog.h"
   5 #include "playhead_to_frame_dialog.h"
   6 #include "lib/job_manager.h"
   7 #include <wx/wx.h>
   8 #include <wx/tglbtn.h>
   9
  10 using std::string;
  11 using boost::optional;
  12 using boost::shared_ptr;
  13 using boost::weak_ptr;
  14
  15 /** @param outline_content true if viewer should present an "outline content" checkbox.
  16  *  @param jump_to_selected true if viewer should present a "jump to selected" checkbox.
  17  */
  18 ControlFilmViewer::ControlFilmViewer (wxWindow* parent, bool outline_content, bool jump_to_selected)
  19         : wxPanel (parent)
  20         , _viewer (new FilmViewer(this))
  21         , _slider_being_moved (false)
  22         , _was_running_before_slider (false)
  23         , _outline_content (0)
  24         , _eye (0)
  25         , _jump_to_selected (0)
  26         , _slider (new wxSlider (this, wxID_ANY, 0, 0, 4096))
  27         , _rewind_button (new wxButton (this, wxID_ANY, wxT("|<")))
  28         , _back_button (new wxButton (this, wxID_ANY, wxT("<")))
  29         , _forward_button (new wxButton (this, wxID_ANY, wxT(">")))
  30         , _frame_number (new wxStaticText (this, wxID_ANY, wxT("")))
  31         , _timecode (new wxStaticText (this, wxID_ANY, wxT("")))
  32         , _play_button (new wxToggleButton (this, wxID_ANY, _("Play")))
  33 {
  34         _v_sizer = new wxBoxSizer (wxVERTICAL);
  35         SetSizer (_v_sizer);
  36         _v_sizer->Add (_viewer->panel(), 1, wxEXPAND);
  37
  38         wxBoxSizer* view_options = new wxBoxSizer (wxHORIZONTAL);
  39         if (outline_content) {
  40                 _outline_content = new wxCheckBox (this, wxID_ANY, _("Outline content"));
  41                 view_options->Add (_outline_content, 0, wxRIGHT | wxALIGN_CENTER_VERTICAL, DCPOMATIC_SIZER_GAP);
  42         }
  43
  44         _eye = new wxChoice (this, wxID_ANY);
  45         _eye->Append (_("Left"));
  46         _eye->Append (_("Right"));
  47         _eye->SetSelection (0);
  48         view_options->Add (_eye, 0, wxLEFT | wxRIGHT | wxALIGN_CENTER_VERTICAL, DCPOMATIC_SIZER_GAP);
  49
  50         if (jump_to_selected) {
  51                 _jump_to_selected = new wxCheckBox (this, wxID_ANY, _("Jump to selected content"));
  52                 view_options->Add (_jump_to_selected, 0, wxLEFT | wxRIGHT | wxALIGN_CENTER_VERTICAL, DCPOMATIC_SIZER_GAP);
  53         }
  54
  55         _v_sizer->Add (view_options, 0, wxALL, DCPOMATIC_SIZER_GAP);
  56
  57         wxBoxSizer* h_sizer = new wxBoxSizer (wxHORIZONTAL);
  58
  59         wxBoxSizer* time_sizer = new wxBoxSizer (wxVERTICAL);
  60         time_sizer->Add (_frame_number, 0, wxEXPAND);
  61         time_sizer->Add (_timecode, 0, wxEXPAND);
  62
  63         h_sizer->Add (_rewind_button, 0, wxALL, 2);
  64         h_sizer->Add (_back_button, 0, wxALL, 2);
  65         h_sizer->Add (time_sizer, 0, wxEXPAND);
  66         h_sizer->Add (_forward_button, 0, wxALL, 2);
  67         h_sizer->Add (_play_button, 0, wxEXPAND);
  68         h_sizer->Add (_slider, 1, wxEXPAND);
  69
  70         _v_sizer->Add (h_sizer, 0, wxEXPAND | wxALL, 6);
  71
  72         _frame_number->SetMinSize (wxSize (84, -1));
  73         _rewind_button->SetMinSize (wxSize (32, -1));
  74         _back_button->SetMinSize (wxSize (32, -1));
  75         _forward_button->SetMinSize (wxSize (32, -1));
  76
  77         _eye->Bind (wxEVT_CHOICE, boost::bind (&ControlFilmViewer::eye_changed, this));
  78         if (_outline_content) {
  79                 _outline_content->Bind (wxEVT_CHECKBOX, boost::bind (&ControlFilmViewer::outline_content_changed, this));
  80         }
  81
  82         _slider->Bind           (wxEVT_SCROLL_THUMBTRACK,   boost::bind (&ControlFilmViewer::slider_moved,    this, false));
  83         _slider->Bind           (wxEVT_SCROLL_PAGEUP,       boost::bind (&ControlFilmViewer::slider_moved,    this, true));
  84         _slider->Bind           (wxEVT_SCROLL_PAGEDOWN,     boost::bind (&ControlFilmViewer::slider_moved,    this, true));
  85         _slider->Bind           (wxEVT_SCROLL_THUMBRELEASE, boost::bind (&ControlFilmViewer::slider_released, this));
  86         _play_button->Bind      (wxEVT_TOGGLEBUTTON,        boost::bind (&ControlFilmViewer::play_clicked,    this));
  87         _rewind_button->Bind    (wxEVT_LEFT_DOWN,           boost::bind (&ControlFilmViewer::rewind_clicked,  this, _1));
  88         _back_button->Bind      (wxEVT_LEFT_DOWN,           boost::bind (&ControlFilmViewer::back_clicked,    this, _1));
  89         _forward_button->Bind   (wxEVT_LEFT_DOWN,           boost::bind (&ControlFilmViewer::forward_clicked, this, _1));
  90         _frame_number->Bind     (wxEVT_LEFT_DOWN,           boost::bind (&ControlFilmViewer::frame_number_clicked, this));
  91         _timecode->Bind         (wxEVT_LEFT_DOWN,           boost::bind (&ControlFilmViewer::timecode_clicked, this));
  92         if (_jump_to_selected) {
  93                 _jump_to_selected->Bind (wxEVT_CHECKBOX, boost::bind (&ControlFilmViewer::jump_to_selected_clicked, this));
  94                 _jump_to_selected->SetValue (Config::instance()->jump_to_selected ());
  95         }
  96
  97         _viewer->ImageChanged.connect (boost::bind(&ControlFilmViewer::image_changed, this, _1));
  98         _viewer->PositionChanged.connect (boost::bind(&ControlFilmViewer::position_changed, this));
  99
 100         set_film (shared_ptr<Film> ());
 101
 102         setup_sensitivity ();
 103
 104         JobManager::instance()->ActiveJobsChanged.connect (
 105                 bind (&ControlFilmViewer::active_jobs_changed, this, _2)
 106                 );
 107 }
 108
 109 void
 110 ControlFilmViewer::position_changed ()
 111 {
 112         update_position_label ();
 113         update_position_slider ();
 114 }
 115
 116 void
 117 ControlFilmViewer::eye_changed ()
 118 {
 119         _viewer->set_eyes (_eye->GetSelection() == 0 ? EYES_LEFT : EYES_RIGHT);
 120 }
 121
 122 void
 123 ControlFilmViewer::outline_content_changed ()
 124 {
 125         _viewer->set_outline_content (_outline_content->GetValue());
 126 }
 127
 128 void
 129 ControlFilmViewer::film_change (ChangeType type, Film::Property p)
 130 {
 131         if (type != CHANGE_TYPE_DONE) {
 132                 return;
 133         }
 134
 135         if (p == Film::CONTENT || p == Film::THREE_D) {
 136                 setup_sensitivity ();
 137         }
 138 }
 139
 140 void
 141 ControlFilmViewer::image_changed (weak_ptr<PlayerVideo> pv)
 142 {
 143         ImageChanged (pv);
 144 }
 145
 146 /** @param page true if this was a PAGEUP/PAGEDOWN event for which we won't receive a THUMBRELEASE */
 147 void
 148 ControlFilmViewer::slider_moved (bool page)
 149 {
 150         if (!_film) {
 151                 return;
 152         }
 153
 154         if (!page && !_slider_being_moved) {
 155                 /* This is the first event of a drag; stop playback for the duration of the drag */
 156                 _was_running_before_slider = stop ();
 157                 _slider_being_moved = true;
 158         }
 159
 160         DCPTime t (_slider->GetValue() * _film->length().get() / 4096);
 161         t = t.round (_film->video_frame_rate());
 162         /* Ensure that we hit the end of the film at the end of the slider */
 163         if (t >= _film->length ()) {
 164                 t = _film->length() - _viewer->one_video_frame();
 165         }
 166         _viewer->seek (t, false);
 167         update_position_label ();
 168 }
 169
 170 void
 171 ControlFilmViewer::slider_released ()
 172 {
 173         if (_was_running_before_slider) {
 174                 /* Restart after a drag */
 175                 start ();
 176         }
 177         _slider_being_moved = false;
 178 }
 179
 180 void
 181 ControlFilmViewer::play_clicked ()
 182 {
 183         check_play_state ();
 184 }
 185
 186 void
 187 ControlFilmViewer::check_play_state ()
 188 {
 189         if (!_film || _film->video_frame_rate() == 0) {
 190                 return;
 191         }
 192
 193         if (_play_button->GetValue()) {
 194                 start ();
 195         } else {
 196                 stop ();
 197         }
 198 }
 199
 200 void
 201 ControlFilmViewer::update_position_slider ()
 202 {
 203         if (!_film) {
 204                 _slider->SetValue (0);
 205                 return;
 206         }
 207
 208         DCPTime const len = _film->length ();
 209
 210         if (len.get ()) {
 211                 int const new_slider_position = 4096 * _viewer->video_position().get() / len.get();
 212                 if (new_slider_position != _slider->GetValue()) {
 213                         _slider->SetValue (new_slider_position);
 214                 }
 215         }
 216 }
 217
 218 void
 219 ControlFilmViewer::update_position_label ()
 220 {
 221         if (!_film) {
 222                 _frame_number->SetLabel ("0");
 223                 _timecode->SetLabel ("0:0:0.0");
 224                 return;
 225         }
 226
 227         double const fps = _film->video_frame_rate ();
 228         /* Count frame number from 1 ... not sure if this is the best idea */
 229         _frame_number->SetLabel (wxString::Format (wxT("%ld"), lrint (_viewer->video_position().seconds() * fps) + 1));
 230         _timecode->SetLabel (time_to_timecode (_viewer->video_position(), fps));
 231 }
 232
 233 void
 234 ControlFilmViewer::active_jobs_changed (optional<string> j)
 235 {
 236         /* examine content is the only job which stops the viewer working */
 237         bool const a = !j || *j != "examine_content";
 238         _slider->Enable (a);
 239         _play_button->Enable (a);
 240 }
 241
 242 DCPTime
 243 ControlFilmViewer::nudge_amount (wxKeyboardState& ev)
 244 {
 245         DCPTime amount = _viewer->one_video_frame ();
 246
 247         if (ev.ShiftDown() && !ev.ControlDown()) {
 248                 amount = DCPTime::from_seconds (1);
 249         } else if (!ev.ShiftDown() && ev.ControlDown()) {
 250                 amount = DCPTime::from_seconds (10);
 251         } else if (ev.ShiftDown() && ev.ControlDown()) {
 252                 amount = DCPTime::from_seconds (60);
 253         }
 254
 255         return amount;
 256 }
 257
 258 void
 259 ControlFilmViewer::rewind_clicked (wxMouseEvent& ev)
 260 {
 261         _viewer->go_to (DCPTime());
 262         ev.Skip();
 263 }
 264
 265 void
 266 ControlFilmViewer::back_frame ()
 267 {
 268         _viewer->move (-_viewer->one_video_frame());
 269 }
 270
 271 void
 272 ControlFilmViewer::forward_frame ()
 273 {
 274         _viewer->move (_viewer->one_video_frame());
 275 }
 276
 277 void
 278 ControlFilmViewer::back_clicked (wxKeyboardState& ev)
 279 {
 280         _viewer->move (-nudge_amount(ev));
 281 }
 282
 283 void
 284 ControlFilmViewer::forward_clicked (wxKeyboardState& ev)
 285 {
 286         _viewer->move (nudge_amount(ev));
 287 }
 288
 289 void
 290 ControlFilmViewer::setup_sensitivity ()
 291 {
 292         bool const c = _film && !_film->content().empty ();
 293
 294         _slider->Enable (c);
 295         _rewind_button->Enable (c);
 296         _back_button->Enable (c);
 297         _forward_button->Enable (c);
 298         _play_button->Enable (c);
 299         if (_outline_content) {
 300                 _outline_content->Enable (c);
 301         }
 302         _frame_number->Enable (c);
 303         _timecode->Enable (c);
 304         if (_jump_to_selected) {
 305                 _jump_to_selected->Enable (c);
 306         }
 307
 308         _eye->Enable (c && _film->three_d ());
 309 }
 310
 311 void
 312 ControlFilmViewer::timecode_clicked ()
 313 {
 314         PlayheadToTimecodeDialog* dialog = new PlayheadToTimecodeDialog (this, _film->video_frame_rate ());
 315         if (dialog->ShowModal() == wxID_OK) {
 316                 _viewer->go_to (dialog->get ());
 317         }
 318         dialog->Destroy ();
 319 }
 320
 321 void
 322 ControlFilmViewer::frame_number_clicked ()
 323 {
 324         PlayheadToFrameDialog* dialog = new PlayheadToFrameDialog (this, _film->video_frame_rate ());
 325         if (dialog->ShowModal() == wxID_OK) {
 326                 _viewer->go_to (dialog->get ());
 327         }
 328         dialog->Destroy ();
 329 }
 330
 331 void
 332 ControlFilmViewer::jump_to_selected_clicked ()
 333 {
 334         Config::instance()->set_jump_to_selected (_jump_to_selected->GetValue ());
 335 }
 336
 337 void
 338 ControlFilmViewer::set_film (shared_ptr<Film> film)
 339 {
 340         _viewer->set_film (film);
 341
 342         if (_film == film) {
 343                 return;
 344         }
 345
 346         _film = film;
 347
 348         setup_sensitivity ();
 349
 350         update_position_slider ();
 351         update_position_label ();
 352
 353         _film->Change.connect (boost::bind (&ControlFilmViewer::film_change, this, _1, _2));
 354 }
 355
 356 void
 357 ControlFilmViewer::set_position (DCPTime p)
 358 {
 359         _viewer->set_position (p);
 360 }
 361
 362 void
 363 ControlFilmViewer::set_position (shared_ptr<Content> content, ContentTime t)
 364 {
 365         _viewer->set_position (content, t);
 366 }
 367
 368 void
 369 ControlFilmViewer::set_dcp_decode_reduction (boost::optional<int> reduction)
 370 {
 371         _viewer->set_dcp_decode_reduction (reduction);
 372 }
 373
 374 void
 375 ControlFilmViewer::show_closed_captions ()
 376 {
 377         _viewer->show_closed_captions ();
 378 }
 379
 380 void
 381 ControlFilmViewer::start ()
 382 {
 383         _play_button->SetValue (true);
 384         _viewer->start ();
 385 }
 386
 387 bool
 388 ControlFilmViewer::stop ()
 389 {
 390         _play_button->SetValue (false);
 391         return _viewer->stop ();
 392 }
 393
 394 bool
 395 ControlFilmViewer::playing () const
 396 {
 397         return _viewer->playing ();
 398 }
 399
 400 void
 401 ControlFilmViewer::slow_refresh ()
 402 {
 403         _viewer->slow_refresh ();
 404 }
 405
 406 int
 407 ControlFilmViewer::dropped () const
 408 {
 409         return _viewer->dropped ();
 410 }
 411
 412 shared_ptr<Film>
 413 ControlFilmViewer::film () const
 414 {
 415         return _film;
 416 }
 417
 418 optional<int>
 419 ControlFilmViewer::dcp_decode_reduction () const
 420 {
 421         return _viewer->dcp_decode_reduction ();
 422 }
 423
 424 DCPTime
 425 ControlFilmViewer::position () const
 426 {
 427         return _viewer->position ();
 428 }
 429
 430 void
 431 ControlFilmViewer::set_coalesce_player_changes (bool c)
 432 {
 433         _viewer->set_coalesce_player_changes (c);
 434 }