src/wx/content_panel.cc

   1 /*
   2     Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21
  22 #include "audio_panel.h"
  23 #include "content_panel.h"
  24 #include "dcpomatic_button.h"
  25 #include "dir_dialog.h"
  26 #include "file_dialog.h"
  27 #include "film_viewer.h"
  28 #include "image_sequence_dialog.h"
  29 #include "text_panel.h"
  30 #include "timeline_dialog.h"
  31 #include "timing_panel.h"
  32 #include "video_panel.h"
  33 #include "wx_util.h"
  34 #include "lib/audio_content.h"
  35 #include "lib/case_insensitive_sorter.h"
  36 #include "lib/compose.hpp"
  37 #include "lib/config.h"
  38 #include "lib/content_factory.h"
  39 #include "lib/cross.h"
  40 #include "lib/dcp_content.h"
  41 #include "lib/dcp_subtitle_content.h"
  42 #include "lib/dcp_subtitle_decoder.h"
  43 #include "lib/dcpomatic_log.h"
  44 #include "lib/ffmpeg_content.h"
  45 #include "lib/image_content.h"
  46 #include "lib/log.h"
  47 #include "lib/playlist.h"
  48 #include "lib/scope_guard.h"
  49 #include "lib/string_text_file.h"
  50 #include "lib/string_text_file_content.h"
  51 #include "lib/text_content.h"
  52 #include "lib/video_content.h"
  53 #include <dcp/warnings.h>
  54 LIBDCP_DISABLE_WARNINGS
  55 #include <wx/display.h>
  56 #include <wx/dnd.h>
  57 #include <wx/listctrl.h>
  58 #include <wx/notebook.h>
  59 #include <wx/wx.h>
  60 LIBDCP_ENABLE_WARNINGS
  61 #include <boost/filesystem.hpp>
  62
  63
  64 using std::dynamic_pointer_cast;
  65 using std::exception;
  66 using std::list;
  67 using std::make_shared;
  68 using std::shared_ptr;
  69 using std::string;
  70 using std::vector;
  71 using std::weak_ptr;
  72 using boost::optional;
  73 using namespace dcpomatic;
  74 #if BOOST_VERSION >= 106100
  75 using namespace boost::placeholders;
  76 #endif
  77
  78
  79 class LimitedContentPanelSplitter : public wxSplitterWindow
  80 {
  81 public:
  82         LimitedContentPanelSplitter(wxWindow* parent)
  83                 : wxSplitterWindow(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxSP_NOBORDER | wxSP_3DSASH | wxSP_LIVE_UPDATE)
  84         {
  85                 /* This value doesn't really mean much but we just want to stop double-click on the
  86                    divider from shrinking the bottom panel (#1601).
  87                    */
  88                 SetMinimumPaneSize(64);
  89
  90                 Bind(wxEVT_SIZE, boost::bind(&LimitedContentPanelSplitter::sized, this, _1));
  91         }
  92
  93         bool OnSashPositionChange(int new_position) override
  94         {
  95                 /* Try to stop the top bit of the splitter getting so small that buttons disappear */
  96                 auto const ok = new_position > 220;
  97                 if (ok) {
  98                         Config::instance()->set_main_content_divider_sash_position(new_position);
  99                 }
 100                 return ok;
 101         }
 102
 103         void first_shown(wxWindow* top, wxWindow* bottom)
 104         {
 105                 int const sn = wxDisplay::GetFromWindow(this);
 106                 /* Fallback for when GetFromWindow fails for reasons that aren't clear */
 107                 int pos = -600;
 108                 if (sn >= 0) {
 109                         wxRect const screen = wxDisplay(sn).GetClientArea();
 110                         /* This is a hack to try and make the content notebook a sensible size; large on big displays but small
 111                            enough on small displays to leave space for the content area.
 112                            */
 113                         pos = screen.height > 800 ? -600 : -_top_panel_minimum_size;
 114                 }
 115                 SplitHorizontally(top, bottom, Config::instance()->main_content_divider_sash_position().get_value_or(pos));
 116                 _first_shown = true;
 117         }
 118
 119 private:
 120         void sized(wxSizeEvent& ev)
 121         {
 122                 auto const height = GetSize().GetHeight();
 123                 if (_first_shown && (!_last_height || *_last_height != height) && height > _top_panel_minimum_size && GetSashPosition() < _top_panel_minimum_size) {
 124                         /* The window is now fairly big but the top panel is small; this happens when the DCP-o-matic window
 125                          * is shrunk and then made larger again.  Try to set a sensible top panel size in this case (#1839).
 126                          */
 127                         SetSashPosition(Config::instance()->main_content_divider_sash_position().get_value_or(_top_panel_minimum_size));
 128                 }
 129
 130                 ev.Skip ();
 131                 _last_height = height;
 132         }
 133
 134         bool _first_shown = false;
 135         int const _top_panel_minimum_size = 350;
 136         boost::optional<int> _last_height;
 137 };
 138
 139
 140 class ContentDropTarget : public wxFileDropTarget
 141 {
 142 public:
 143         ContentDropTarget(ContentPanel* owner)
 144                 : _panel(owner)
 145         {}
 146
 147         bool OnDropFiles(wxCoord, wxCoord, wxArrayString const& filenames) override
 148         {
 149                 vector<boost::filesystem::path> files;
 150                 vector<boost::filesystem::path> dcps;
 151                 vector<boost::filesystem::path> folders;
 152                 for (size_t i = 0; i < filenames.GetCount(); ++i) {
 153                         auto path = boost::filesystem::path(wx_to_std(filenames[i]));
 154                         if (boost::filesystem::is_regular_file(path)) {
 155                                 files.push_back(path);
 156                         } else if (boost::filesystem::is_directory(path)) {
 157                                 if (contains_assetmap(path)) {
 158                                         dcps.push_back(path);
 159                                 } else {
 160                                         folders.push_back(path);
 161                                 }
 162                         }
 163                 }
 164
 165                 if (!filenames.empty()) {
 166                         _panel->add_files(files);
 167                 }
 168
 169                 for (auto dcp: dcps) {
 170                         _panel->add_dcp(dcp);
 171                 }
 172
 173                 for (auto dir: folders) {
 174                         _panel->add_folder(dir);
 175                 }
 176
 177                 return true;
 178         };
 179
 180 private:
 181         ContentPanel* _panel;
 182 };
 183
 184
 185 /** A wxListCtrl that can middle-ellipsize its text */
 186 class ContentListCtrl : public wxListCtrl
 187 {
 188 public:
 189         ContentListCtrl(wxWindow* parent)
 190                 : wxListCtrl(parent, wxID_ANY, wxDefaultPosition, wxSize(320, 160), wxLC_REPORT | wxLC_NO_HEADER | wxLC_VIRTUAL)
 191         {
 192                 _red.SetTextColour(*wxRED);
 193         }
 194
 195         struct Item
 196         {
 197                 wxString text;
 198                 weak_ptr<Content> content;
 199                 bool error;
 200         };
 201
 202         void set(vector<Item> const& items)
 203         {
 204                 _items = items;
 205                 SetItemCount(items.size());
 206         }
 207
 208         wxString OnGetItemText(long item, long) const override
 209         {
 210                 DCPOMATIC_ASSERT(item >= 0 && item < static_cast<long>(_items.size()));
 211                 wxClientDC dc(const_cast<wxWindow*>(static_cast<wxWindow const*>(this)));
 212                 return wxControl::Ellipsize(_items[item].text, dc, wxELLIPSIZE_MIDDLE, GetSize().GetWidth());
 213         }
 214
 215         wxListItemAttr* OnGetItemAttr(long item) const override
 216         {
 217                 DCPOMATIC_ASSERT(item >= 0 && item < static_cast<long>(_items.size()));
 218                 return _items[item].error ? const_cast<wxListItemAttr*>(&_red) : nullptr;
 219         }
 220
 221         weak_ptr<Content> content_at_index(long index)
 222         {
 223                 if (index < 0 || index >= static_cast<long>(_items.size())) {
 224                         return {};
 225                 }
 226                 return _items[index].content;
 227         }
 228
 229 private:
 230         std::vector<Item> _items;
 231         wxListItemAttr _red;
 232 };
 233
 234
 235 ContentPanel::ContentPanel(wxNotebook* n, shared_ptr<Film> film, FilmViewer& viewer)
 236         : _parent (n)
 237         , _film (film)
 238         , _film_viewer (viewer)
 239         , _generally_sensitive (true)
 240         , _ignore_deselect (false)
 241         , _no_check_selection (false)
 242 {
 243         _splitter = new LimitedContentPanelSplitter(n);
 244         _top_panel = new wxPanel (_splitter);
 245
 246         _menu = new ContentMenu (_splitter, _film_viewer);
 247
 248         {
 249                 auto s = new wxBoxSizer (wxHORIZONTAL);
 250
 251                 _content = new ContentListCtrl(_top_panel);
 252                 _content->DragAcceptFiles (true);
 253                 s->Add (_content, 1, wxEXPAND | wxTOP | wxBOTTOM, 6);
 254
 255                 _content->InsertColumn (0, wxT(""));
 256                 _content->SetColumnWidth(0, 2048);
 257
 258                 auto b = new wxBoxSizer (wxVERTICAL);
 259
 260                 _add_file = new Button (_top_panel, _("Add file(s)..."));
 261                 _add_file->SetToolTip (_("Add video, image, sound or subtitle files to the film."));
 262                 b->Add (_add_file, 0, wxEXPAND | wxALL, DCPOMATIC_BUTTON_STACK_GAP);
 263
 264                 _add_folder = new Button (_top_panel, _("Add folder..."));
 265                 _add_folder->SetToolTip (_("Add a folder of image files (which will be used as a moving image sequence) or a folder of sound files."));
 266                 b->Add (_add_folder, 0, wxEXPAND | wxALL, DCPOMATIC_BUTTON_STACK_GAP);
 267
 268                 _add_dcp = new Button (_top_panel, _("Add DCP..."));
 269                 _add_dcp->SetToolTip (_("Add a DCP."));
 270                 b->Add (_add_dcp, 0, wxEXPAND | wxALL, DCPOMATIC_BUTTON_STACK_GAP);
 271
 272                 _remove = new Button (_top_panel, _("Remove"));
 273                 _remove->SetToolTip (_("Remove the selected piece of content from the film."));
 274                 b->Add (_remove, 0, wxEXPAND | wxALL, DCPOMATIC_BUTTON_STACK_GAP);
 275
 276                 _earlier = new Button (_top_panel, _("Earlier"));
 277                 _earlier->SetToolTip (_("Move the selected piece of content earlier in the film."));
 278                 b->Add (_earlier, 0, wxEXPAND | wxALL, DCPOMATIC_BUTTON_STACK_GAP);
 279
 280                 _later = new Button (_top_panel, _("Later"));
 281                 _later->SetToolTip (_("Move the selected piece of content later in the film."));
 282                 b->Add (_later, 0, wxEXPAND | wxALL, DCPOMATIC_BUTTON_STACK_GAP);
 283
 284                 _timeline = new Button (_top_panel, _("Timeline..."));
 285                 _timeline->SetToolTip (_("Open the timeline for the film."));
 286                 b->Add (_timeline, 0, wxEXPAND | wxALL, DCPOMATIC_BUTTON_STACK_GAP);
 287
 288                 s->Add (b, 0, wxALL, 4);
 289                 _top_panel->SetSizer (s);
 290         }
 291
 292         _notebook = new wxNotebook (_splitter, wxID_ANY);
 293
 294         _timing_panel = new TimingPanel (this, _film_viewer);
 295         _notebook->AddPage (_timing_panel, _("Timing"), false);
 296         _timing_panel->create ();
 297
 298         _content->Bind (wxEVT_LIST_ITEM_SELECTED, boost::bind (&ContentPanel::item_selected, this));
 299         _content->Bind (wxEVT_LIST_ITEM_DESELECTED, boost::bind (&ContentPanel::item_deselected, this));
 300         _content->Bind (wxEVT_LIST_ITEM_RIGHT_CLICK, boost::bind (&ContentPanel::right_click, this, _1));
 301         _content->Bind (wxEVT_DROP_FILES, boost::bind (&ContentPanel::files_dropped, this, _1));
 302         _add_file->Bind (wxEVT_BUTTON, boost::bind (&ContentPanel::add_file_clicked, this));
 303         _add_folder->Bind (wxEVT_BUTTON, boost::bind (&ContentPanel::add_folder_clicked, this));
 304         _add_dcp->Bind (wxEVT_BUTTON, boost::bind (&ContentPanel::add_dcp_clicked, this));
 305         _remove->Bind (wxEVT_BUTTON, boost::bind (&ContentPanel::remove_clicked, this, false));
 306         _earlier->Bind (wxEVT_BUTTON, boost::bind (&ContentPanel::earlier_clicked, this));
 307         _later->Bind (wxEVT_BUTTON, boost::bind (&ContentPanel::later_clicked, this));
 308         _timeline->Bind (wxEVT_BUTTON, boost::bind (&ContentPanel::timeline_clicked, this));
 309
 310         _content->SetDropTarget(new ContentDropTarget(this));
 311 }
 312
 313
 314 void
 315 ContentPanel::first_shown ()
 316 {
 317         _splitter->first_shown (_top_panel, _notebook);
 318 }
 319
 320
 321 ContentList
 322 ContentPanel::selected ()
 323 {
 324         ContentList sel;
 325         long int s = -1;
 326         while (true) {
 327                 s = _content->GetNextItem (s, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 328                 if (s == -1) {
 329                         break;
 330                 }
 331
 332                 auto weak = _content->content_at_index(s);
 333                 if (auto content = weak.lock()) {
 334                         sel.push_back(content);
 335                 }
 336         }
 337
 338         return sel;
 339 }
 340
 341
 342 ContentList
 343 ContentPanel::selected_video ()
 344 {
 345         ContentList vc;
 346
 347         for (auto i: selected()) {
 348                 if (i->video) {
 349                         vc.push_back (i);
 350                 }
 351         }
 352
 353         return vc;
 354 }
 355
 356
 357 ContentList
 358 ContentPanel::selected_audio ()
 359 {
 360         ContentList ac;
 361
 362         for (auto i: selected()) {
 363                 if (i->audio) {
 364                         ac.push_back (i);
 365                 }
 366         }
 367
 368         return ac;
 369 }
 370
 371
 372 ContentList
 373 ContentPanel::selected_text ()
 374 {
 375         ContentList sc;
 376
 377         for (auto i: selected()) {
 378                 if (!i->text.empty()) {
 379                         sc.push_back (i);
 380                 }
 381         }
 382
 383         return sc;
 384 }
 385
 386
 387 FFmpegContentList
 388 ContentPanel::selected_ffmpeg ()
 389 {
 390         FFmpegContentList sc;
 391
 392         for (auto i: selected()) {
 393                 auto t = dynamic_pointer_cast<FFmpegContent> (i);
 394                 if (t) {
 395                         sc.push_back (t);
 396                 }
 397         }
 398
 399         return sc;
 400 }
 401
 402
 403 void
 404 ContentPanel::film_changed (Film::Property p)
 405 {
 406         switch (p) {
 407         case Film::Property::CONTENT:
 408         case Film::Property::CONTENT_ORDER:
 409                 setup ();
 410                 break;
 411         default:
 412                 break;
 413         }
 414
 415         for (auto i: panels()) {
 416                 i->film_changed (p);
 417         }
 418 }
 419
 420
 421 void
 422 ContentPanel::item_deselected ()
 423 {
 424         /* Maybe this is just a re-click on the same item; if not, _ignore_deselect will stay
 425            false and item_deselected_foo will handle the deselection.
 426         */
 427         _ignore_deselect = false;
 428         signal_manager->when_idle (boost::bind (&ContentPanel::item_deselected_idle, this));
 429 }
 430
 431
 432 void
 433 ContentPanel::item_deselected_idle ()
 434 {
 435         if (!_ignore_deselect) {
 436                 check_selection ();
 437         }
 438 }
 439
 440
 441 void
 442 ContentPanel::item_selected ()
 443 {
 444         _ignore_deselect = true;
 445         check_selection ();
 446 }
 447
 448
 449 void
 450 ContentPanel::check_selection ()
 451 {
 452         if (_no_check_selection) {
 453                 return;
 454         }
 455
 456         setup_sensitivity ();
 457
 458         for (auto i: panels()) {
 459                 i->content_selection_changed ();
 460         }
 461
 462         optional<DCPTime> go_to;
 463         for (auto content: selected()) {
 464                 if (content->paths_valid()) {
 465                         auto position = content->position();
 466                         if (auto text_content = dynamic_pointer_cast<StringTextFileContent>(content)) {
 467                                 /* Rather special case; if we select a text subtitle file jump to its
 468                                    first subtitle.
 469                                 */
 470                                 StringTextFile ts(text_content);
 471                                 if (auto first = ts.first()) {
 472                                         position += DCPTime(first.get(), _film->active_frame_rate_change(content->position()));
 473                                 }
 474                         } else if (auto dcp_content = dynamic_pointer_cast<DCPSubtitleContent>(content)) {
 475                                 /* Do the same for DCP subtitles */
 476                                 DCPSubtitleDecoder ts(_film, dcp_content);
 477                                 if (auto first = ts.first()) {
 478                                         position += DCPTime(first.get(), _film->active_frame_rate_change(content->position()));
 479                                 }
 480                         }
 481                         if (!go_to || position < go_to.get()) {
 482                                 go_to = position;
 483                         }
 484                 }
 485         }
 486
 487         if (go_to && Config::instance()->jump_to_selected() && signal_manager) {
 488                 signal_manager->when_idle(boost::bind(&FilmViewer::seek, &_film_viewer, go_to.get().ceil(_film->video_frame_rate()), true));
 489         }
 490
 491         if (_timeline_dialog) {
 492                 _timeline_dialog->set_selection (selected());
 493         }
 494
 495         /* Make required tabs visible */
 496
 497         if (_notebook->GetPageCount() > 1) {
 498                 /* There's more than one tab in the notebook so the current selection could be meaningful
 499                    to the user; store it so that we can try to restore it later.
 500                 */
 501                 _last_selected_tab = 0;
 502                 if (_notebook->GetSelection() != wxNOT_FOUND) {
 503                         _last_selected_tab = _notebook->GetPage(_notebook->GetSelection());
 504                 }
 505         }
 506
 507         bool have_video = false;
 508         bool have_audio = false;
 509         EnumIndexedVector<bool, TextType> have_text;
 510         for (auto i: selected()) {
 511                 if (i->video) {
 512                         have_video = true;
 513                 }
 514                 if (i->audio) {
 515                         have_audio = true;
 516                 }
 517                 for (auto j: i->text) {
 518                         have_text[static_cast<int>(j->original_type())] = true;
 519                 }
 520         }
 521
 522         int off = 0;
 523
 524         if (have_video && !_video_panel) {
 525                 _video_panel = new VideoPanel (this);
 526                 _notebook->InsertPage (off, _video_panel, _video_panel->name());
 527                 _video_panel->create ();
 528         } else if (!have_video && _video_panel) {
 529                 _notebook->DeletePage (off);
 530                 _video_panel = 0;
 531         }
 532
 533         if (have_video) {
 534                 ++off;
 535         }
 536
 537         if (have_audio && !_audio_panel) {
 538                 _audio_panel = new AudioPanel (this);
 539                 _notebook->InsertPage (off, _audio_panel, _audio_panel->name());
 540                 _audio_panel->create ();
 541         } else if (!have_audio && _audio_panel) {
 542                 _notebook->DeletePage (off);
 543                 _audio_panel = 0;
 544         }
 545
 546         if (have_audio) {
 547                 ++off;
 548         }
 549
 550         for (int i = 0; i < static_cast<int>(TextType::COUNT); ++i) {
 551                 if (have_text[i] && !_text_panel[i]) {
 552                         _text_panel[i] = new TextPanel (this, static_cast<TextType>(i));
 553                         _notebook->InsertPage (off, _text_panel[i], _text_panel[i]->name());
 554                         _text_panel[i]->create ();
 555                 } else if (!have_text[i] && _text_panel[i]) {
 556                         _notebook->DeletePage (off);
 557                         _text_panel[i] = nullptr;
 558                 }
 559                 if (have_text[i]) {
 560                         ++off;
 561                 }
 562         }
 563
 564         /* Set up the tab selection */
 565
 566         auto done = false;
 567         for (size_t i = 0; i < _notebook->GetPageCount(); ++i) {
 568                 if (_notebook->GetPage(i) == _last_selected_tab) {
 569                         _notebook->SetSelection (i);
 570                         done = true;
 571                 }
 572         }
 573
 574         if (!done && _notebook->GetPageCount() > 0) {
 575                 _notebook->SetSelection (0);
 576         }
 577
 578         setup_sensitivity ();
 579         SelectionChanged ();
 580 }
 581
 582
 583 optional<boost::filesystem::path>
 584 ContentPanel::add_files_override_path() const
 585 {
 586         DCPOMATIC_ASSERT(_film->directory());
 587         return Config::instance()->default_add_file_location() == Config::DefaultAddFileLocation::SAME_AS_PROJECT
 588                 ? _film->directory()->parent_path()
 589                 : boost::optional<boost::filesystem::path>();
 590
 591 }
 592
 593
 594 void
 595 ContentPanel::add_file_clicked ()
 596 {
 597         /* This method is also called when Ctrl-A is pressed, so check that our notebook page
 598            is visible.
 599         */
 600         if (_parent->GetCurrentPage() != _splitter || !_film) {
 601                 return;
 602         }
 603
 604         /* The wxFD_CHANGE_DIR here prevents a `could not set working directory' error 123 on Windows when using
 605            non-Latin filenames or paths.
 606         */
 607         FileDialog dialog(
 608                 _splitter,
 609                 _("Choose a file or files"),
 610                 wxT("All files|*.*|Subtitle files|*.srt;*.xml|Audio files|*.wav;*.w64;*.flac;*.aif;*.aiff"),
 611                 wxFD_MULTIPLE | wxFD_CHANGE_DIR,
 612                 "AddFilesPath",
 613                 add_files_override_path()
 614                 );
 615
 616         if (dialog.show()) {
 617                 add_files(dialog.paths());
 618         }
 619 }
 620
 621
 622 void
 623 ContentPanel::add_folder_clicked ()
 624 {
 625         DirDialog dialog(_splitter, _("Choose a folder"), wxDD_DIR_MUST_EXIST, "AddFilesPath", add_files_override_path());
 626         if (dialog.show()) {
 627                 add_folder(dialog.path());
 628         }
 629 }
 630
 631
 632 void
 633 ContentPanel::add_folder(boost::filesystem::path folder)
 634 {
 635         vector<shared_ptr<Content>> content;
 636
 637         try {
 638                 content = content_factory(folder);
 639         } catch (exception& e) {
 640                 error_dialog (_parent, e.what());
 641                 return;
 642         }
 643
 644         if (content.empty ()) {
 645                 error_dialog (_parent, _("No content found in this folder."));
 646                 return;
 647         }
 648
 649         for (auto i: content) {
 650                 auto ic = dynamic_pointer_cast<ImageContent> (i);
 651                 if (ic) {
 652                         ImageSequenceDialog dialog(_splitter);
 653
 654                         if (dialog.ShowModal() != wxID_OK) {
 655                                 return;
 656                         }
 657                         ic->set_video_frame_rate(_film, dialog.frame_rate());
 658                 }
 659
 660                 _film->examine_and_add_content (i);
 661         }
 662 }
 663
 664
 665 void
 666 ContentPanel::add_dcp_clicked ()
 667 {
 668         DirDialog dialog(_splitter, _("Choose a DCP folder"), wxDD_DIR_MUST_EXIST, "AddFilesPath", add_files_override_path());
 669         if (dialog.show()) {
 670                 add_dcp(dialog.path());
 671         }
 672 }
 673
 674
 675 void
 676 ContentPanel::add_dcp(boost::filesystem::path dcp)
 677 {
 678         try {
 679                 _film->examine_and_add_content(make_shared<DCPContent>(dcp));
 680         } catch (ProjectFolderError &) {
 681                 error_dialog (
 682                         _parent,
 683                         _(
 684                                 "This looks like a DCP-o-matic project folder, which cannot be added to a different project.  "
 685                                 "Choose the DCP folder inside the DCP-o-matic project folder if that's what you want to import."
 686                          )
 687                         );
 688         } catch (exception& e) {
 689                 error_dialog(_parent, e.what());
 690         }
 691 }
 692
 693
 694 /** @return true if this remove "click" should be ignored */
 695 bool
 696 ContentPanel::remove_clicked (bool hotkey)
 697 {
 698         /* If the method was called because Delete was pressed check that our notebook page
 699            is visible and that the content list is focused.
 700         */
 701         if (hotkey && (_parent->GetCurrentPage() != _splitter || !_content->HasFocus())) {
 702                 return true;
 703         }
 704
 705         for (auto i: selected ()) {
 706                 _film->remove_content (i);
 707         }
 708
 709         check_selection ();
 710         return false;
 711 }
 712
 713
 714 void
 715 ContentPanel::timeline_clicked ()
 716 {
 717         if (!_film) {
 718                 return;
 719         }
 720
 721         _timeline_dialog.reset(this, _film, _film_viewer);
 722         _timeline_dialog->set_selection (selected());
 723         _timeline_dialog->Show ();
 724 }
 725
 726
 727 void
 728 ContentPanel::right_click (wxListEvent& ev)
 729 {
 730         _menu->popup (_film, selected (), TimelineContentViewList (), ev.GetPoint ());
 731 }
 732
 733
 734 /** Set up broad sensitivity based on the type of content that is selected */
 735 void
 736 ContentPanel::setup_sensitivity ()
 737 {
 738         _add_file->Enable (_generally_sensitive);
 739         _add_folder->Enable (_generally_sensitive);
 740         _add_dcp->Enable (_generally_sensitive);
 741
 742         auto selection = selected ();
 743         auto video_selection = selected_video ();
 744         auto audio_selection = selected_audio ();
 745
 746         _remove->Enable   (_generally_sensitive && !selection.empty());
 747         _earlier->Enable  (_generally_sensitive && selection.size() == 1);
 748         _later->Enable    (_generally_sensitive && selection.size() == 1);
 749         _timeline->Enable (_generally_sensitive && _film && !_film->content().empty());
 750
 751         if (_video_panel) {
 752                 _video_panel->Enable (_generally_sensitive && video_selection.size() > 0);
 753         }
 754         if (_audio_panel) {
 755                 _audio_panel->Enable (_generally_sensitive && audio_selection.size() > 0);
 756         }
 757         for (auto text: _text_panel) {
 758                 if (text) {
 759                         text->Enable(_generally_sensitive && selection.size() == 1 && !selection.front()->text.empty());
 760                 }
 761         }
 762         _timing_panel->Enable (_generally_sensitive);
 763 }
 764
 765
 766 void
 767 ContentPanel::set_film (shared_ptr<Film> film)
 768 {
 769         if (_audio_panel) {
 770                 _audio_panel->set_film (film);
 771         }
 772
 773         _film = film;
 774
 775         film_changed (Film::Property::CONTENT);
 776         film_changed (Film::Property::AUDIO_CHANNELS);
 777
 778         if (_film) {
 779                 check_selection ();
 780         }
 781
 782         setup_sensitivity ();
 783 }
 784
 785
 786 void
 787 ContentPanel::set_general_sensitivity (bool s)
 788 {
 789         _generally_sensitive = s;
 790         setup_sensitivity ();
 791 }
 792
 793
 794 void
 795 ContentPanel::earlier_clicked ()
 796 {
 797         auto sel = selected ();
 798         if (sel.size() == 1) {
 799                 _film->move_content_earlier (sel.front ());
 800                 check_selection ();
 801         }
 802 }
 803
 804
 805 void
 806 ContentPanel::later_clicked ()
 807 {
 808         auto sel = selected ();
 809         if (sel.size() == 1) {
 810                 _film->move_content_later (sel.front ());
 811                 check_selection ();
 812         }
 813 }
 814
 815
 816 void
 817 ContentPanel::set_selection (weak_ptr<Content> wc)
 818 {
 819         auto content = _film->content ();
 820         for (size_t i = 0; i < content.size(); ++i) {
 821                 set_selected_state(i, content[i] == wc.lock());
 822         }
 823 }
 824
 825
 826 void
 827 ContentPanel::set_selection (ContentList cl)
 828 {
 829         {
 830                 _no_check_selection = true;
 831                 ScopeGuard sg = [this]() { _no_check_selection = false; };
 832
 833                 auto content = _film->content ();
 834                 for (size_t i = 0; i < content.size(); ++i) {
 835                         set_selected_state(i, find(cl.begin(), cl.end(), content[i]) != cl.end());
 836                 }
 837         }
 838
 839         check_selection ();
 840 }
 841
 842
 843 void
 844 ContentPanel::select_all ()
 845 {
 846         set_selection (_film->content());
 847 }
 848
 849
 850 void
 851 ContentPanel::film_content_changed (int property)
 852 {
 853         if (
 854                 property == ContentProperty::PATH ||
 855                 property == DCPContentProperty::NEEDS_ASSETS ||
 856                 property == DCPContentProperty::NEEDS_KDM ||
 857                 property == DCPContentProperty::NAME
 858                 ) {
 859
 860                 setup ();
 861         }
 862
 863         for (auto i: panels()) {
 864                 i->film_content_changed (property);
 865         }
 866 }
 867
 868
 869 void
 870 ContentPanel::setup ()
 871 {
 872         if (!_film) {
 873                 _content->DeleteAllItems ();
 874                 setup_sensitivity ();
 875                 return;
 876         }
 877
 878         auto content = _film->content ();
 879         auto selection = selected();
 880
 881         vector<ContentListCtrl::Item> items;
 882
 883         for (auto i: content) {
 884                 bool const valid = i->paths_valid ();
 885
 886                 auto dcp = dynamic_pointer_cast<DCPContent> (i);
 887                 bool const needs_kdm = dcp && dcp->needs_kdm ();
 888                 bool const needs_assets = dcp && dcp->needs_assets ();
 889
 890                 auto s = std_to_wx (i->summary ());
 891
 892                 if (!valid) {
 893                         s = _("MISSING: ") + s;
 894                 }
 895
 896                 if (needs_kdm) {
 897                         s = _("NEEDS KDM: ") + s;
 898                 }
 899
 900                 if (needs_assets) {
 901                         s = _("NEEDS OV: ") + s;
 902                 }
 903
 904                 items.push_back({s, i, !valid || needs_kdm || needs_assets});
 905         }
 906
 907         _content->set(items);
 908
 909         if (selection.empty() && !content.empty()) {
 910                 set_selected_state(0, true);
 911         } else {
 912                 set_selection(selection);
 913         }
 914
 915         setup_sensitivity ();
 916 }
 917
 918
 919 void
 920 ContentPanel::files_dropped (wxDropFilesEvent& event)
 921 {
 922         if (!_film) {
 923                 return;
 924         }
 925
 926         auto paths = event.GetFiles ();
 927         vector<boost::filesystem::path> path_list;
 928         for (int i = 0; i < event.GetNumberOfFiles(); i++) {
 929                 path_list.push_back (wx_to_std(paths[i]));
 930         }
 931
 932         add_files (path_list);
 933 }
 934
 935
 936 void
 937 ContentPanel::add_files (vector<boost::filesystem::path> paths)
 938 {
 939         if (!_film) {
 940                 return;
 941         }
 942
 943         /* It has been reported that the paths returned from e.g. wxFileDialog are not always sorted;
 944            I can't reproduce that, but sort them anyway.  Don't use ImageFilenameSorter as a normal
 945            alphabetical sort is expected here.
 946         */
 947
 948         std::sort (paths.begin(), paths.end(), CaseInsensitiveSorter());
 949
 950         /* XXX: check for lots of files here and do something */
 951
 952         try {
 953                 for (auto i: paths) {
 954                         for (auto j: content_factory(i)) {
 955                                 _film->examine_and_add_content (j);
 956                         }
 957                 }
 958         } catch (exception& e) {
 959                 error_dialog (_parent, e.what());
 960         }
 961 }
 962
 963
 964 list<ContentSubPanel*>
 965 ContentPanel::panels () const
 966 {
 967         list<ContentSubPanel*> p;
 968         if (_video_panel) {
 969                 p.push_back (_video_panel);
 970         }
 971         if (_audio_panel) {
 972                 p.push_back (_audio_panel);
 973         }
 974         for (auto text: _text_panel) {
 975                 if (text) {
 976                         p.push_back(text);
 977                 }
 978         }
 979         p.push_back (_timing_panel);
 980         return p;
 981 }
 982
 983
 984 void
 985 ContentPanel::set_selected_state(int item, bool state)
 986 {
 987         _content->SetItemState(item, state ? wxLIST_STATE_SELECTED : 0, wxLIST_STATE_SELECTED);
 988         _content->SetItemState(item, state ? wxLIST_STATE_FOCUSED : 0, wxLIST_STATE_FOCUSED);
 989 }
 990
 991
 992 wxWindow*
 993 ContentPanel::window() const
 994 {
 995         return _splitter;
 996 }