src/network/network_content_gui.cpp

   1 /*
   2  * This file is part of OpenTTD.
   3  * OpenTTD 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, version 2.
   4  * OpenTTD 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.
   5  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
   6  */
   7
   8 /** @file network_content_gui.cpp Implementation of the Network Content related GUIs. */
   9
  10 #include "../stdafx.h"
  11 #include "../strings_func.h"
  12 #include "../gfx_func.h"
  13 #include "../window_func.h"
  14 #include "../error.h"
  15 #include "../ai/ai.hpp"
  16 #include "../game/game.hpp"
  17 #include "../base_media_base.h"
  18 #include "../openttd.h"
  19 #include "../sortlist_type.h"
  20 #include "../stringfilter_type.h"
  21 #include "../querystring_gui.h"
  22 #include "../core/geometry_func.hpp"
  23 #include "../textfile_gui.h"
  24 #include "network_content_gui.h"
  25
  26
  27 #include "table/strings.h"
  28 #include "../table/sprites.h"
  29
  30 #include <bitset>
  31
  32 #include "../safeguards.h"
  33
  34
  35 /** Whether the user accepted to enter external websites during this session. */
  36 static bool _accepted_external_search = false;
  37
  38
  39 /** Window for displaying the textfile of an item in the content list. */
  40 struct ContentTextfileWindow : public TextfileWindow {
  41         const ContentInfo *ci; ///< View the textfile of this ContentInfo.
  42
  43         ContentTextfileWindow(TextfileType file_type, const ContentInfo *ci) : TextfileWindow(file_type), ci(ci)
  44         {
  45                 const char *textfile = this->ci->GetTextfile(file_type);
  46                 this->LoadTextfile(textfile, GetContentInfoSubDir(this->ci->type));
  47         }
  48
  49         StringID GetTypeString() const
  50         {
  51                 switch (this->ci->type) {
  52                         case CONTENT_TYPE_NEWGRF:        return STR_CONTENT_TYPE_NEWGRF;
  53                         case CONTENT_TYPE_BASE_GRAPHICS: return STR_CONTENT_TYPE_BASE_GRAPHICS;
  54                         case CONTENT_TYPE_BASE_SOUNDS:   return STR_CONTENT_TYPE_BASE_SOUNDS;
  55                         case CONTENT_TYPE_BASE_MUSIC:    return STR_CONTENT_TYPE_BASE_MUSIC;
  56                         case CONTENT_TYPE_AI:            return STR_CONTENT_TYPE_AI;
  57                         case CONTENT_TYPE_AI_LIBRARY:    return STR_CONTENT_TYPE_AI_LIBRARY;
  58                         case CONTENT_TYPE_GAME:          return STR_CONTENT_TYPE_GAME_SCRIPT;
  59                         case CONTENT_TYPE_GAME_LIBRARY:  return STR_CONTENT_TYPE_GS_LIBRARY;
  60                         case CONTENT_TYPE_SCENARIO:      return STR_CONTENT_TYPE_SCENARIO;
  61                         case CONTENT_TYPE_HEIGHTMAP:     return STR_CONTENT_TYPE_HEIGHTMAP;
  62                         default: NOT_REACHED();
  63                 }
  64         }
  65
  66         void SetStringParameters(int widget) const override
  67         {
  68                 if (widget == WID_TF_CAPTION) {
  69                         SetDParam(0, this->GetTypeString());
  70                         SetDParamStr(1, this->ci->name);
  71                 }
  72         }
  73 };
  74
  75 void ShowContentTextfileWindow(TextfileType file_type, const ContentInfo *ci)
  76 {
  77         CloseWindowById(WC_TEXTFILE, file_type);
  78         new ContentTextfileWindow(file_type, ci);
  79 }
  80
  81 /** Nested widgets for the download window. */
  82 static const NWidgetPart _nested_network_content_download_status_window_widgets[] = {
  83         NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CONTENT_DOWNLOAD_TITLE, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
  84         NWidget(WWT_PANEL, COLOUR_GREY, WID_NCDS_BACKGROUND),
  85                 NWidget(NWID_SPACER), SetMinimalSize(350, 0), SetMinimalTextLines(3, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM + 30),
  86                 NWidget(NWID_HORIZONTAL),
  87                         NWidget(NWID_SPACER), SetMinimalSize(125, 0),
  88                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCDS_CANCELOK), SetMinimalSize(101, 12), SetDataTip(STR_BUTTON_CANCEL, STR_NULL),
  89                         NWidget(NWID_SPACER), SetFill(1, 0),
  90                 EndContainer(),
  91                 NWidget(NWID_SPACER), SetMinimalSize(0, 4),
  92         EndContainer(),
  93 };
  94
  95 /** Window description for the download window */
  96 static WindowDesc _network_content_download_status_window_desc(
  97         WDP_CENTER, nullptr, 0, 0,
  98         WC_NETWORK_STATUS_WINDOW, WC_NONE,
  99         WDF_MODAL,
 100         _nested_network_content_download_status_window_widgets, lengthof(_nested_network_content_download_status_window_widgets)
 101 );
 102
 103 BaseNetworkContentDownloadStatusWindow::BaseNetworkContentDownloadStatusWindow(WindowDesc *desc) :
 104                 Window(desc), cur_id(UINT32_MAX)
 105 {
 106         _network_content_client.AddCallback(this);
 107         _network_content_client.DownloadSelectedContent(this->total_files, this->total_bytes);
 108
 109         this->InitNested(WN_NETWORK_STATUS_WINDOW_CONTENT_DOWNLOAD);
 110 }
 111
 112 void BaseNetworkContentDownloadStatusWindow::Close()
 113 {
 114         _network_content_client.RemoveCallback(this);
 115         this->Window::Close();
 116 }
 117
 118 void BaseNetworkContentDownloadStatusWindow::DrawWidget(const Rect &r, int widget) const
 119 {
 120         if (widget != WID_NCDS_BACKGROUND) return;
 121
 122         /* Draw nice progress bar :) */
 123         DrawFrameRect(r.left + 20, r.top + 4, r.left + 20 + (int)((this->width - 40LL) * this->downloaded_bytes / this->total_bytes), r.top + 14, COLOUR_MAUVE, FR_NONE);
 124
 125         int y = r.top + 20;
 126         SetDParam(0, this->downloaded_bytes);
 127         SetDParam(1, this->total_bytes);
 128         SetDParam(2, this->downloaded_bytes * 100LL / this->total_bytes);
 129         DrawString(r.left + 2, r.right - 2, y, STR_CONTENT_DOWNLOAD_PROGRESS_SIZE, TC_FROMSTRING, SA_HOR_CENTER);
 130
 131         StringID str;
 132         if (this->downloaded_bytes == this->total_bytes) {
 133                 str = STR_CONTENT_DOWNLOAD_COMPLETE;
 134         } else if (!this->name.empty()) {
 135                 SetDParamStr(0, this->name);
 136                 SetDParam(1, this->downloaded_files);
 137                 SetDParam(2, this->total_files);
 138                 str = STR_CONTENT_DOWNLOAD_FILE;
 139         } else {
 140                 str = STR_CONTENT_DOWNLOAD_INITIALISE;
 141         }
 142
 143         y += FONT_HEIGHT_NORMAL + 5;
 144         DrawStringMultiLine(r.left + 2, r.right - 2, y, y + FONT_HEIGHT_NORMAL * 2, str, TC_FROMSTRING, SA_CENTER);
 145 }
 146
 147 void BaseNetworkContentDownloadStatusWindow::OnDownloadProgress(const ContentInfo *ci, int bytes)
 148 {
 149         if (ci->id != this->cur_id) {
 150                 this->name = ci->filename;
 151                 this->cur_id = ci->id;
 152                 this->downloaded_files++;
 153         }
 154
 155         this->downloaded_bytes += bytes;
 156         this->SetDirty();
 157 }
 158
 159
 160 /** Window for showing the download status of content */
 161 struct NetworkContentDownloadStatusWindow : public BaseNetworkContentDownloadStatusWindow {
 162 private:
 163         std::vector<ContentType> receivedTypes;     ///< Types we received so we can update their cache
 164
 165 public:
 166         /**
 167          * Create a new download window based on a list of content information
 168          * with flags whether to download them or not.
 169          */
 170         NetworkContentDownloadStatusWindow() : BaseNetworkContentDownloadStatusWindow(&_network_content_download_status_window_desc)
 171         {
 172                 this->parent = FindWindowById(WC_NETWORK_WINDOW, WN_NETWORK_WINDOW_CONTENT_LIST);
 173         }
 174
 175         void Close() override
 176         {
 177                 TarScanner::Mode mode = TarScanner::NONE;
 178                 for (auto ctype : this->receivedTypes) {
 179                         switch (ctype) {
 180                                 case CONTENT_TYPE_AI:
 181                                 case CONTENT_TYPE_AI_LIBRARY:
 182                                         /* AI::Rescan calls the scanner. */
 183                                         break;
 184                                 case CONTENT_TYPE_GAME:
 185                                 case CONTENT_TYPE_GAME_LIBRARY:
 186                                         /* Game::Rescan calls the scanner. */
 187                                         break;
 188
 189                                 case CONTENT_TYPE_BASE_GRAPHICS:
 190                                 case CONTENT_TYPE_BASE_SOUNDS:
 191                                 case CONTENT_TYPE_BASE_MUSIC:
 192                                         mode |= TarScanner::BASESET;
 193                                         break;
 194
 195                                 case CONTENT_TYPE_NEWGRF:
 196                                         /* ScanNewGRFFiles calls the scanner. */
 197                                         break;
 198
 199                                 case CONTENT_TYPE_SCENARIO:
 200                                 case CONTENT_TYPE_HEIGHTMAP:
 201                                         mode |= TarScanner::SCENARIO;
 202                                         break;
 203
 204                                 default:
 205                                         break;
 206                         }
 207                 }
 208
 209                 TarScanner::DoScan(mode);
 210
 211                 /* Tell all the backends about what we've downloaded */
 212                 for (auto ctype : this->receivedTypes) {
 213                         switch (ctype) {
 214                                 case CONTENT_TYPE_AI:
 215                                 case CONTENT_TYPE_AI_LIBRARY:
 216                                         AI::Rescan();
 217                                         break;
 218
 219                                 case CONTENT_TYPE_GAME:
 220                                 case CONTENT_TYPE_GAME_LIBRARY:
 221                                         Game::Rescan();
 222                                         break;
 223
 224                                 case CONTENT_TYPE_BASE_GRAPHICS:
 225                                         BaseGraphics::FindSets();
 226                                         SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_OPTIONS);
 227                                         break;
 228
 229                                 case CONTENT_TYPE_BASE_SOUNDS:
 230                                         BaseSounds::FindSets();
 231                                         SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_OPTIONS);
 232                                         break;
 233
 234                                 case CONTENT_TYPE_BASE_MUSIC:
 235                                         BaseMusic::FindSets();
 236                                         SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_OPTIONS);
 237                                         break;
 238
 239                                 case CONTENT_TYPE_NEWGRF:
 240                                         RequestNewGRFScan();
 241                                         break;
 242
 243                                 case CONTENT_TYPE_SCENARIO:
 244                                 case CONTENT_TYPE_HEIGHTMAP:
 245                                         extern void ScanScenarios();
 246                                         ScanScenarios();
 247                                         InvalidateWindowData(WC_SAVELOAD, 0, 0);
 248                                         break;
 249
 250                                 default:
 251                                         break;
 252                         }
 253                 }
 254
 255                 /* Always invalidate the download window; tell it we are going to be gone */
 256                 InvalidateWindowData(WC_NETWORK_WINDOW, WN_NETWORK_WINDOW_CONTENT_LIST, 2);
 257
 258                 this->BaseNetworkContentDownloadStatusWindow::Close();
 259         }
 260
 261         void OnClick(Point pt, int widget, int click_count) override
 262         {
 263                 if (widget == WID_NCDS_CANCELOK) {
 264                         if (this->downloaded_bytes != this->total_bytes) {
 265                                 _network_content_client.CloseConnection();
 266                                 this->Close();
 267                         } else {
 268                                 /* If downloading succeeded, close the online content window. This will close
 269                                  * the current window as well. */
 270                                 CloseWindowById(WC_NETWORK_WINDOW, WN_NETWORK_WINDOW_CONTENT_LIST);
 271                         }
 272                 }
 273         }
 274
 275         void OnDownloadProgress(const ContentInfo *ci, int bytes) override
 276         {
 277                 BaseNetworkContentDownloadStatusWindow::OnDownloadProgress(ci, bytes);
 278                 include(this->receivedTypes, ci->type);
 279
 280                 /* When downloading is finished change cancel in ok */
 281                 if (this->downloaded_bytes == this->total_bytes) {
 282                         this->GetWidget<NWidgetCore>(WID_NCDS_CANCELOK)->widget_data = STR_BUTTON_OK;
 283                 }
 284         }
 285 };
 286
 287 /** Filter data for NetworkContentListWindow. */
 288 struct ContentListFilterData {
 289         StringFilter string_filter; ///< Text filter of content list
 290         std::bitset<CONTENT_TYPE_END> types; ///< Content types displayed
 291 };
 292
 293 /** Filter criteria for NetworkContentListWindow. */
 294 enum ContentListFilterCriteria {
 295         CONTENT_FILTER_TEXT = 0,        ///< Filter by query sting
 296         CONTENT_FILTER_TYPE_OR_SELECTED,///< Filter by being of displayed type or selected for download
 297 };
 298
 299 /** Window that lists the content that's at the content server */
 300 class NetworkContentListWindow : public Window, ContentCallback {
 301         /** List with content infos. */
 302         typedef GUIList<const ContentInfo *, ContentListFilterData &> GUIContentList;
 303
 304         static const uint EDITBOX_MAX_SIZE   =  50; ///< Maximum size of the editbox in characters.
 305
 306         static Listing last_sorting;     ///< The last sorting setting.
 307         static Filtering last_filtering; ///< The last filtering setting.
 308         static GUIContentList::SortFunction * const sorter_funcs[];   ///< Sorter functions
 309         static GUIContentList::FilterFunction * const filter_funcs[]; ///< Filter functions.
 310         GUIContentList content;      ///< List with content
 311         bool auto_select;            ///< Automatically select all content when the meta-data becomes available
 312         ContentListFilterData filter_data; ///< Filter for content list
 313         QueryString filter_editbox;  ///< Filter editbox;
 314         Dimension checkbox_size;     ///< Size of checkbox/"blot" sprite
 315
 316         const ContentInfo *selected; ///< The selected content info
 317         int list_pos;                ///< Our position in the list
 318         uint filesize_sum;           ///< The sum of all selected file sizes
 319         Scrollbar *vscroll;          ///< Cache of the vertical scrollbar
 320
 321         static char content_type_strs[CONTENT_TYPE_END][64]; ///< Cached strings for all content types.
 322
 323         /** Search external websites for content */
 324         void OpenExternalSearch()
 325         {
 326                 extern void OpenBrowser(const char *url);
 327
 328                 char url[1024];
 329                 const char *last = lastof(url);
 330
 331                 char *pos = strecpy(url, "https://grfsearch.openttd.org/?", last);
 332
 333                 if (this->auto_select) {
 334                         pos = strecpy(pos, "do=searchgrfid&q=", last);
 335
 336                         bool first = true;
 337                         for (const ContentInfo *ci : this->content) {
 338                                 if (ci->state != ContentInfo::DOES_NOT_EXIST) continue;
 339
 340                                 if (!first) pos = strecpy(pos, ",", last);
 341                                 first = false;
 342
 343                                 pos += seprintf(pos, last, "%08X", ci->unique_id);
 344                                 pos = strecpy(pos, ":", last);
 345                                 pos = md5sumToString(pos, last, ci->md5sum);
 346                         }
 347                 } else {
 348                         pos = strecpy(pos, "do=searchtext&q=", last);
 349
 350                         /* Escape search term */
 351                         for (const char *search = this->filter_editbox.text.buf; *search != '\0'; search++) {
 352                                 /* Remove quotes */
 353                                 if (*search == '\'' || *search == '"') continue;
 354
 355                                 /* Escape special chars, such as &%,= */
 356                                 if (*search < 0x30) {
 357                                         pos += seprintf(pos, last, "%%%02X", *search);
 358                                 } else if (pos < last) {
 359                                         *pos = *search;
 360                                         *++pos = '\0';
 361                                 }
 362                         }
 363                 }
 364
 365                 OpenBrowser(url);
 366         }
 367
 368         /**
 369          * Callback function for disclaimer about entering external websites.
 370          */
 371         static void ExternalSearchDisclaimerCallback(Window *w, bool accepted)
 372         {
 373                 if (accepted) {
 374                         _accepted_external_search = true;
 375                         ((NetworkContentListWindow*)w)->OpenExternalSearch();
 376                 }
 377         }
 378
 379         /**
 380          * (Re)build the network game list as its amount has changed because
 381          * an item has been added or deleted for example
 382          */
 383         void BuildContentList()
 384         {
 385                 if (!this->content.NeedRebuild()) return;
 386
 387                 /* Create temporary array of games to use for listing */
 388                 this->content.clear();
 389
 390                 bool all_available = true;
 391
 392                 for (ConstContentIterator iter = _network_content_client.Begin(); iter != _network_content_client.End(); iter++) {
 393                         if ((*iter)->state == ContentInfo::DOES_NOT_EXIST) all_available = false;
 394                         this->content.push_back(*iter);
 395                 }
 396
 397                 this->SetWidgetDisabledState(WID_NCL_SEARCH_EXTERNAL, this->auto_select && all_available);
 398
 399                 this->FilterContentList();
 400                 this->content.shrink_to_fit();
 401                 this->content.RebuildDone();
 402                 this->SortContentList();
 403
 404                 this->vscroll->SetCount((int)this->content.size()); // Update the scrollbar
 405                 this->ScrollToSelected();
 406         }
 407
 408         /** Sort content by name. */
 409         static bool NameSorter(const ContentInfo * const &a, const ContentInfo * const &b)
 410         {
 411                 return strnatcmp(a->name.c_str(), b->name.c_str(), true) < 0; // Sort by name (natural sorting).
 412         }
 413
 414         /** Sort content by type. */
 415         static bool TypeSorter(const ContentInfo * const &a, const ContentInfo * const &b)
 416         {
 417                 int r = 0;
 418                 if (a->type != b->type) {
 419                         r = strnatcmp(content_type_strs[a->type], content_type_strs[b->type]);
 420                 }
 421                 if (r == 0) return NameSorter(a, b);
 422                 return r < 0;
 423         }
 424
 425         /** Sort content by state. */
 426         static bool StateSorter(const ContentInfo * const &a, const ContentInfo * const &b)
 427         {
 428                 int r = a->state - b->state;
 429                 if (r == 0) return TypeSorter(a, b);
 430                 return r < 0;
 431         }
 432
 433         /** Sort the content list */
 434         void SortContentList()
 435         {
 436                 if (!this->content.Sort()) return;
 437
 438                 int idx = find_index(this->content, this->selected);
 439                 if (idx >= 0) this->list_pos = idx;
 440         }
 441
 442         /** Filter content by tags/name */
 443         static bool CDECL TagNameFilter(const ContentInfo * const *a, ContentListFilterData &filter)
 444         {
 445                 filter.string_filter.ResetState();
 446                 for (auto &tag : (*a)->tags) filter.string_filter.AddLine(tag.c_str());
 447
 448                 filter.string_filter.AddLine((*a)->name.c_str());
 449                 return filter.string_filter.GetState();
 450         }
 451
 452         /** Filter content by type, but still show content selected for download. */
 453         static bool CDECL TypeOrSelectedFilter(const ContentInfo * const *a, ContentListFilterData &filter)
 454         {
 455                 if (filter.types.none()) return true;
 456                 if (filter.types[(*a)->type]) return true;
 457                 return ((*a)->state == ContentInfo::SELECTED || (*a)->state == ContentInfo::AUTOSELECTED);
 458         }
 459
 460         /** Filter the content list */
 461         void FilterContentList()
 462         {
 463                 /* Apply filters. */
 464                 bool changed = false;
 465                 if (!this->filter_data.string_filter.IsEmpty()) {
 466                         this->content.SetFilterType(CONTENT_FILTER_TEXT);
 467                         changed |= this->content.Filter(this->filter_data);
 468                 }
 469                 if (this->filter_data.types.any()) {
 470                         this->content.SetFilterType(CONTENT_FILTER_TYPE_OR_SELECTED);
 471                         changed |= this->content.Filter(this->filter_data);
 472                 }
 473                 if (!changed) return;
 474
 475                 /* update list position */
 476                 int idx = find_index(this->content, this->selected);
 477                 if (idx >= 0) {
 478                         this->list_pos = idx;
 479                         return;
 480                 }
 481
 482                 /* previously selected item not in list anymore */
 483                 this->selected = nullptr;
 484                 this->list_pos = 0;
 485         }
 486
 487         /**
 488          * Update filter state based on current window state.
 489          * @return true if filter state was changed, otherwise false.
 490          */
 491         bool UpdateFilterState()
 492         {
 493                 Filtering old_params = this->content.GetFiltering();
 494                 bool new_state = !this->filter_data.string_filter.IsEmpty() || this->filter_data.types.any();
 495                 if (new_state != old_params.state) {
 496                         this->content.SetFilterState(new_state);
 497                 }
 498                 return new_state != old_params.state;
 499         }
 500
 501         /** Make sure that the currently selected content info is within the visible part of the matrix */
 502         void ScrollToSelected()
 503         {
 504                 if (this->selected == nullptr) return;
 505
 506                 this->vscroll->ScrollTowards(this->list_pos);
 507         }
 508
 509         friend void BuildContentTypeStringList();
 510 public:
 511         /**
 512          * Create the content list window.
 513          * @param desc the window description to pass to Window's constructor.
 514          * @param select_all Whether the select all button is allowed or not.
 515          * @param types the main type of content to display or #CONTENT_TYPE_END.
 516          *   When a type other than #CONTENT_TYPE_END is given, dependencies of
 517          *   other types are only shown when content that depend on them are
 518          *   selected.
 519          */
 520         NetworkContentListWindow(WindowDesc *desc, bool select_all, const std::bitset<CONTENT_TYPE_END> &types) :
 521                         Window(desc),
 522                         auto_select(select_all),
 523                         filter_editbox(EDITBOX_MAX_SIZE),
 524                         selected(nullptr),
 525                         list_pos(0)
 526         {
 527                 this->checkbox_size = maxdim(maxdim(GetSpriteSize(SPR_BOX_EMPTY), GetSpriteSize(SPR_BOX_CHECKED)), GetSpriteSize(SPR_BLOT));
 528
 529                 this->CreateNestedTree();
 530                 this->vscroll = this->GetScrollbar(WID_NCL_SCROLLBAR);
 531                 this->FinishInitNested(WN_NETWORK_WINDOW_CONTENT_LIST);
 532
 533                 this->GetWidget<NWidgetStacked>(WID_NCL_SEL_ALL_UPDATE)->SetDisplayedPlane(select_all);
 534
 535                 this->querystrings[WID_NCL_FILTER] = &this->filter_editbox;
 536                 this->filter_editbox.cancel_button = QueryString::ACTION_CLEAR;
 537                 this->SetFocusedWidget(WID_NCL_FILTER);
 538                 this->SetWidgetDisabledState(WID_NCL_SEARCH_EXTERNAL, this->auto_select);
 539                 this->filter_data.types = types;
 540
 541                 _network_content_client.AddCallback(this);
 542                 this->content.SetListing(this->last_sorting);
 543                 this->content.SetFiltering(this->last_filtering);
 544                 this->content.SetSortFuncs(this->sorter_funcs);
 545                 this->content.SetFilterFuncs(this->filter_funcs);
 546                 this->UpdateFilterState();
 547                 this->content.ForceRebuild();
 548                 this->FilterContentList();
 549                 this->SortContentList();
 550                 this->InvalidateData();
 551         }
 552
 553         void Close() override
 554         {
 555                 _network_content_client.RemoveCallback(this);
 556                 this->Window::Close();
 557         }
 558
 559         void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
 560         {
 561                 switch (widget) {
 562                         case WID_NCL_FILTER_CAPT:
 563                                 *size = maxdim(*size, GetStringBoundingBox(STR_CONTENT_FILTER_TITLE));
 564                                 break;
 565
 566                         case WID_NCL_CHECKBOX:
 567                                 size->width = this->checkbox_size.width + WD_MATRIX_RIGHT + WD_MATRIX_LEFT;
 568                                 break;
 569
 570                         case WID_NCL_TYPE: {
 571                                 Dimension d = *size;
 572                                 for (int i = CONTENT_TYPE_BEGIN; i < CONTENT_TYPE_END; i++) {
 573                                         d = maxdim(d, GetStringBoundingBox(STR_CONTENT_TYPE_BASE_GRAPHICS + i - CONTENT_TYPE_BASE_GRAPHICS));
 574                                 }
 575                                 size->width = d.width + WD_MATRIX_RIGHT + WD_MATRIX_LEFT;
 576                                 break;
 577                         }
 578
 579                         case WID_NCL_MATRIX:
 580                                 resize->height = std::max(this->checkbox_size.height, (uint)FONT_HEIGHT_NORMAL) + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
 581                                 size->height = 10 * resize->height;
 582                                 break;
 583                 }
 584         }
 585
 586
 587         void DrawWidget(const Rect &r, int widget) const override
 588         {
 589                 switch (widget) {
 590                         case WID_NCL_FILTER_CAPT:
 591                                 DrawString(r.left, r.right, r.top, STR_CONTENT_FILTER_TITLE, TC_FROMSTRING, SA_RIGHT);
 592                                 break;
 593
 594                         case WID_NCL_DETAILS:
 595                                 this->DrawDetails(r);
 596                                 break;
 597
 598                         case WID_NCL_MATRIX:
 599                                 this->DrawMatrix(r);
 600                                 break;
 601                 }
 602         }
 603
 604         void OnPaint() override
 605         {
 606                 const SortButtonState arrow = this->content.IsDescSortOrder() ? SBS_DOWN : SBS_UP;
 607
 608                 if (this->content.NeedRebuild()) {
 609                         this->BuildContentList();
 610                 }
 611
 612                 this->DrawWidgets();
 613
 614                 switch (this->content.SortType()) {
 615                         case WID_NCL_CHECKBOX - WID_NCL_CHECKBOX: this->DrawSortButtonState(WID_NCL_CHECKBOX, arrow); break;
 616                         case WID_NCL_TYPE     - WID_NCL_CHECKBOX: this->DrawSortButtonState(WID_NCL_TYPE,     arrow); break;
 617                         case WID_NCL_NAME     - WID_NCL_CHECKBOX: this->DrawSortButtonState(WID_NCL_NAME,     arrow); break;
 618                 }
 619         }
 620
 621         /**
 622          * Draw/fill the matrix with the list of content to download.
 623          * @param r The boundaries of the matrix.
 624          */
 625         void DrawMatrix(const Rect &r) const
 626         {
 627                 const NWidgetBase *nwi_checkbox = this->GetWidget<NWidgetBase>(WID_NCL_CHECKBOX);
 628                 const NWidgetBase *nwi_name = this->GetWidget<NWidgetBase>(WID_NCL_NAME);
 629                 const NWidgetBase *nwi_type = this->GetWidget<NWidgetBase>(WID_NCL_TYPE);
 630
 631                 int line_height = std::max(this->checkbox_size.height, (uint)FONT_HEIGHT_NORMAL);
 632
 633                 /* Fill the matrix with the information */
 634                 int sprite_y_offset = WD_MATRIX_TOP + (line_height - this->checkbox_size.height) / 2 - 1;
 635                 int text_y_offset = WD_MATRIX_TOP + (line_height - FONT_HEIGHT_NORMAL) / 2;
 636                 uint y = r.top;
 637
 638                 auto iter = this->content.begin() + this->vscroll->GetPosition();
 639                 size_t last = this->vscroll->GetPosition() + this->vscroll->GetCapacity();
 640                 auto end = (last < this->content.size()) ? this->content.begin() + last : this->content.end();
 641
 642                 for (/**/; iter != end; iter++) {
 643                         const ContentInfo *ci = *iter;
 644
 645                         if (ci == this->selected) GfxFillRect(r.left + 1, y + 1, r.right - 1, y + this->resize.step_height - 1, PC_GREY);
 646
 647                         SpriteID sprite;
 648                         SpriteID pal = PAL_NONE;
 649                         switch (ci->state) {
 650                                 case ContentInfo::UNSELECTED:     sprite = SPR_BOX_EMPTY;   break;
 651                                 case ContentInfo::SELECTED:       sprite = SPR_BOX_CHECKED; break;
 652                                 case ContentInfo::AUTOSELECTED:   sprite = SPR_BOX_CHECKED; break;
 653                                 case ContentInfo::ALREADY_HERE:   sprite = SPR_BLOT; pal = PALETTE_TO_GREEN; break;
 654                                 case ContentInfo::DOES_NOT_EXIST: sprite = SPR_BLOT; pal = PALETTE_TO_RED;   break;
 655                                 default: NOT_REACHED();
 656                         }
 657                         DrawSprite(sprite, pal, nwi_checkbox->pos_x + (pal == PAL_NONE ? 2 : 3), y + sprite_y_offset + (pal == PAL_NONE ? 1 : 0));
 658
 659                         StringID str = STR_CONTENT_TYPE_BASE_GRAPHICS + ci->type - CONTENT_TYPE_BASE_GRAPHICS;
 660                         DrawString(nwi_type->pos_x, nwi_type->pos_x + nwi_type->current_x - 1, y + text_y_offset, str, TC_BLACK, SA_HOR_CENTER);
 661
 662                         DrawString(nwi_name->pos_x + WD_FRAMERECT_LEFT, nwi_name->pos_x + nwi_name->current_x - WD_FRAMERECT_RIGHT, y + text_y_offset, ci->name, TC_BLACK);
 663                         y += this->resize.step_height;
 664                 }
 665         }
 666
 667         /**
 668          * Helper function to draw the details part of this window.
 669          * @param r the rectangle to stay within while drawing
 670          */
 671         void DrawDetails(const Rect &r) const
 672         {
 673                 static const int DETAIL_LEFT         =  5; ///< Number of pixels at the left
 674                 static const int DETAIL_RIGHT        =  5; ///< Number of pixels at the right
 675                 static const int DETAIL_TOP          =  5; ///< Number of pixels at the top
 676
 677                 /* Height for the title banner */
 678                 int DETAIL_TITLE_HEIGHT = 5 * FONT_HEIGHT_NORMAL;
 679
 680                 /* Create the nice grayish rectangle at the details top */
 681                 GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.top + DETAIL_TITLE_HEIGHT, PC_DARK_BLUE);
 682                 DrawString(r.left + WD_INSET_LEFT, r.right - WD_INSET_RIGHT, r.top + FONT_HEIGHT_NORMAL + WD_INSET_TOP, STR_CONTENT_DETAIL_TITLE, TC_FROMSTRING, SA_HOR_CENTER);
 683
 684                 /* Draw the total download size */
 685                 SetDParam(0, this->filesize_sum);
 686                 DrawString(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, r.bottom - FONT_HEIGHT_NORMAL - WD_PAR_VSEP_NORMAL, STR_CONTENT_TOTAL_DOWNLOAD_SIZE);
 687
 688                 if (this->selected == nullptr) return;
 689
 690                 /* And fill the rest of the details when there's information to place there */
 691                 DrawStringMultiLine(r.left + WD_INSET_LEFT, r.right - WD_INSET_RIGHT, r.top + DETAIL_TITLE_HEIGHT / 2, r.top + DETAIL_TITLE_HEIGHT, STR_CONTENT_DETAIL_SUBTITLE_UNSELECTED + this->selected->state, TC_FROMSTRING, SA_CENTER);
 692
 693                 /* Also show the total download size, so keep some space from the bottom */
 694                 const uint max_y = r.bottom - FONT_HEIGHT_NORMAL - WD_PAR_VSEP_WIDE;
 695                 int y = r.top + DETAIL_TITLE_HEIGHT + DETAIL_TOP;
 696
 697                 if (this->selected->upgrade) {
 698                         SetDParam(0, STR_CONTENT_TYPE_BASE_GRAPHICS + this->selected->type - CONTENT_TYPE_BASE_GRAPHICS);
 699                         y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_UPDATE);
 700                         y += WD_PAR_VSEP_WIDE;
 701                 }
 702
 703                 SetDParamStr(0, this->selected->name);
 704                 y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_NAME);
 705
 706                 if (!this->selected->version.empty()) {
 707                         SetDParamStr(0, this->selected->version);
 708                         y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_VERSION);
 709                 }
 710
 711                 if (!this->selected->description.empty()) {
 712                         SetDParamStr(0, this->selected->description);
 713                         y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_DESCRIPTION);
 714                 }
 715
 716                 if (!this->selected->url.empty()) {
 717                         SetDParamStr(0, this->selected->url);
 718                         y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_URL);
 719                 }
 720
 721                 SetDParam(0, STR_CONTENT_TYPE_BASE_GRAPHICS + this->selected->type - CONTENT_TYPE_BASE_GRAPHICS);
 722                 y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_TYPE);
 723
 724                 y += WD_PAR_VSEP_WIDE;
 725                 SetDParam(0, this->selected->filesize);
 726                 y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_FILESIZE);
 727
 728                 if (!this->selected->dependencies.empty()) {
 729                         /* List dependencies */
 730                         char buf[DRAW_STRING_BUFFER] = "";
 731                         char *p = buf;
 732                         for (auto &cid : this->selected->dependencies) {
 733                                 /* Try to find the dependency */
 734                                 ConstContentIterator iter = _network_content_client.Begin();
 735                                 for (; iter != _network_content_client.End(); iter++) {
 736                                         const ContentInfo *ci = *iter;
 737                                         if (ci->id != cid) continue;
 738
 739                                         p += seprintf(p, lastof(buf), p == buf ? "%s" : ", %s", (*iter)->name.c_str());
 740                                         break;
 741                                 }
 742                         }
 743                         SetDParamStr(0, buf);
 744                         y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_DEPENDENCIES);
 745                 }
 746
 747                 if (!this->selected->tags.empty()) {
 748                         /* List all tags */
 749                         char buf[DRAW_STRING_BUFFER] = "";
 750                         char *p = buf;
 751                         for (auto &tag : this->selected->tags) {
 752                                 p += seprintf(p, lastof(buf), p == buf ? "%s" : ", %s", tag.c_str());
 753                         }
 754                         SetDParamStr(0, buf);
 755                         y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_TAGS);
 756                 }
 757
 758                 if (this->selected->IsSelected()) {
 759                         /* When selected show all manually selected content that depends on this */
 760                         ConstContentVector tree;
 761                         _network_content_client.ReverseLookupTreeDependency(tree, this->selected);
 762
 763                         char buf[DRAW_STRING_BUFFER] = "";
 764                         char *p = buf;
 765                         for (const ContentInfo *ci : tree) {
 766                                 if (ci == this->selected || ci->state != ContentInfo::SELECTED) continue;
 767
 768                                 p += seprintf(p, lastof(buf), buf == p ? "%s" : ", %s", ci->name.c_str());
 769                         }
 770                         if (p != buf) {
 771                                 SetDParamStr(0, buf);
 772                                 y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_SELECTED_BECAUSE_OF);
 773                         }
 774                 }
 775         }
 776
 777         void OnClick(Point pt, int widget, int click_count) override
 778         {
 779                 if (widget >= WID_NCL_TEXTFILE && widget < WID_NCL_TEXTFILE + TFT_END) {
 780                         if (this->selected == nullptr || this->selected->state != ContentInfo::ALREADY_HERE) return;
 781
 782                         ShowContentTextfileWindow((TextfileType)(widget - WID_NCL_TEXTFILE), this->selected);
 783                         return;
 784                 }
 785
 786                 switch (widget) {
 787                         case WID_NCL_MATRIX: {
 788                                 uint id_v = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NCL_MATRIX);
 789                                 if (id_v >= this->content.size()) return; // click out of bounds
 790
 791                                 this->selected = this->content[id_v];
 792                                 this->list_pos = id_v;
 793
 794                                 const NWidgetBase *checkbox = this->GetWidget<NWidgetBase>(WID_NCL_CHECKBOX);
 795                                 if (click_count > 1 || IsInsideBS(pt.x, checkbox->pos_x, checkbox->current_x)) {
 796                                         _network_content_client.ToggleSelectedState(this->selected);
 797                                         this->content.ForceResort();
 798                                 }
 799
 800                                 if (this->filter_data.types.any()) {
 801                                         this->content.ForceRebuild();
 802                                 }
 803
 804                                 this->InvalidateData();
 805                                 break;
 806                         }
 807
 808                         case WID_NCL_CHECKBOX:
 809                         case WID_NCL_TYPE:
 810                         case WID_NCL_NAME:
 811                                 if (this->content.SortType() == widget - WID_NCL_CHECKBOX) {
 812                                         this->content.ToggleSortOrder();
 813                                         if (this->content.size() > 0) this->list_pos = (int)this->content.size() - this->list_pos - 1;
 814                                 } else {
 815                                         this->content.SetSortType(widget - WID_NCL_CHECKBOX);
 816                                         this->content.ForceResort();
 817                                         this->SortContentList();
 818                                 }
 819                                 this->ScrollToSelected();
 820                                 this->InvalidateData();
 821                                 break;
 822
 823                         case WID_NCL_SELECT_ALL:
 824                                 _network_content_client.SelectAll();
 825                                 this->InvalidateData();
 826                                 break;
 827
 828                         case WID_NCL_SELECT_UPDATE:
 829                                 _network_content_client.SelectUpgrade();
 830                                 this->InvalidateData();
 831                                 break;
 832
 833                         case WID_NCL_UNSELECT:
 834                                 _network_content_client.UnselectAll();
 835                                 this->InvalidateData();
 836                                 break;
 837
 838                         case WID_NCL_CANCEL:
 839                                 this->Close();
 840                                 break;
 841
 842                         case WID_NCL_OPEN_URL:
 843                                 if (this->selected != nullptr) {
 844                                         extern void OpenBrowser(const char *url);
 845                                         OpenBrowser(this->selected->url.c_str());
 846                                 }
 847                                 break;
 848
 849                         case WID_NCL_DOWNLOAD:
 850                                 if (BringWindowToFrontById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_CONTENT_DOWNLOAD) == nullptr) new NetworkContentDownloadStatusWindow();
 851                                 break;
 852
 853                         case WID_NCL_SEARCH_EXTERNAL:
 854                                 if (_accepted_external_search) {
 855                                         this->OpenExternalSearch();
 856                                 } else {
 857                                         ShowQuery(STR_CONTENT_SEARCH_EXTERNAL_DISCLAIMER_CAPTION, STR_CONTENT_SEARCH_EXTERNAL_DISCLAIMER, this, ExternalSearchDisclaimerCallback);
 858                                 }
 859                                 break;
 860                 }
 861         }
 862
 863         EventState OnKeyPress(WChar key, uint16 keycode) override
 864         {
 865                 if (this->vscroll->UpdateListPositionOnKeyPress(this->list_pos, keycode) == ES_NOT_HANDLED) {
 866                         switch (keycode) {
 867                                 case WKC_SPACE:
 868                                 case WKC_RETURN:
 869                                         if (keycode == WKC_RETURN || !IsWidgetFocused(WID_NCL_FILTER)) {
 870                                                 if (this->selected != nullptr) {
 871                                                         _network_content_client.ToggleSelectedState(this->selected);
 872                                                         this->content.ForceResort();
 873                                                         this->InvalidateData();
 874                                                 }
 875                                                 if (this->filter_data.types.any()) {
 876                                                         this->content.ForceRebuild();
 877                                                         this->InvalidateData();
 878                                                 }
 879                                                 return ES_HANDLED;
 880                                         }
 881                                         /* space is pressed and filter is focused. */
 882                                         FALLTHROUGH;
 883
 884                                 default:
 885                                         return ES_NOT_HANDLED;
 886                         }
 887                 }
 888
 889                 if (this->content.size() == 0) {
 890                         if (this->UpdateFilterState()) {
 891                                 this->content.ForceRebuild();
 892                                 this->InvalidateData();
 893                         }
 894                         return ES_HANDLED;
 895                 }
 896
 897                 this->selected = this->content[this->list_pos];
 898
 899                 if (this->UpdateFilterState()) {
 900                         this->content.ForceRebuild();
 901                 } else {
 902                         /* Scroll to the new content if it is outside the current range. */
 903                         this->ScrollToSelected();
 904                 }
 905
 906                 /* redraw window */
 907                 this->InvalidateData();
 908                 return ES_HANDLED;
 909         }
 910
 911         void OnEditboxChanged(int wid) override
 912         {
 913                 if (wid == WID_NCL_FILTER) {
 914                         this->filter_data.string_filter.SetFilterTerm(this->filter_editbox.text.buf);
 915                         this->UpdateFilterState();
 916                         this->content.ForceRebuild();
 917                         this->InvalidateData();
 918                 }
 919         }
 920
 921         void OnResize() override
 922         {
 923                 this->vscroll->SetCapacityFromWidget(this, WID_NCL_MATRIX);
 924         }
 925
 926         void OnReceiveContentInfo(const ContentInfo *rci) override
 927         {
 928                 if (this->auto_select && !rci->IsSelected()) _network_content_client.ToggleSelectedState(rci);
 929                 this->content.ForceRebuild();
 930                 this->InvalidateData(0, false);
 931         }
 932
 933         void OnDownloadComplete(ContentID cid) override
 934         {
 935                 this->content.ForceResort();
 936                 this->InvalidateData();
 937         }
 938
 939         void OnConnect(bool success) override
 940         {
 941                 if (!success) {
 942                         ShowErrorMessage(STR_CONTENT_ERROR_COULD_NOT_CONNECT, INVALID_STRING_ID, WL_ERROR);
 943                         this->Close();
 944                         return;
 945                 }
 946
 947                 this->InvalidateData();
 948         }
 949
 950         /**
 951          * Some data on this window has become invalid.
 952          * @param data Information about the changed data.
 953          * @param gui_scope Whether the call is done from GUI scope. You may not do everything when not in GUI scope. See #InvalidateWindowData() for details.
 954          */
 955         void OnInvalidateData(int data = 0, bool gui_scope = true) override
 956         {
 957                 if (!gui_scope) return;
 958                 if (this->content.NeedRebuild()) this->BuildContentList();
 959
 960                 /* To sum all the bytes we intend to download */
 961                 this->filesize_sum = 0;
 962                 bool show_select_all = false;
 963                 bool show_select_upgrade = false;
 964                 for (const ContentInfo *ci : this->content) {
 965                         switch (ci->state) {
 966                                 case ContentInfo::SELECTED:
 967                                 case ContentInfo::AUTOSELECTED:
 968                                         this->filesize_sum += ci->filesize;
 969                                         break;
 970
 971                                 case ContentInfo::UNSELECTED:
 972                                         show_select_all = true;
 973                                         show_select_upgrade |= ci->upgrade;
 974                                         break;
 975
 976                                 default:
 977                                         break;
 978                         }
 979                 }
 980
 981                 /* If data == 2 then the status window caused this OnInvalidate */
 982                 this->SetWidgetDisabledState(WID_NCL_DOWNLOAD, this->filesize_sum == 0 || (FindWindowById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_CONTENT_DOWNLOAD) != nullptr && data != 2));
 983                 this->SetWidgetDisabledState(WID_NCL_UNSELECT, this->filesize_sum == 0);
 984                 this->SetWidgetDisabledState(WID_NCL_SELECT_ALL, !show_select_all);
 985                 this->SetWidgetDisabledState(WID_NCL_SELECT_UPDATE, !show_select_upgrade);
 986                 this->SetWidgetDisabledState(WID_NCL_OPEN_URL, this->selected == nullptr || this->selected->url.empty());
 987                 for (TextfileType tft = TFT_BEGIN; tft < TFT_END; tft++) {
 988                         this->SetWidgetDisabledState(WID_NCL_TEXTFILE + tft, this->selected == nullptr || this->selected->state != ContentInfo::ALREADY_HERE || this->selected->GetTextfile(tft) == nullptr);
 989                 }
 990
 991                 this->GetWidget<NWidgetCore>(WID_NCL_CANCEL)->widget_data = this->filesize_sum == 0 ? STR_AI_SETTINGS_CLOSE : STR_AI_LIST_CANCEL;
 992         }
 993 };
 994
 995 Listing NetworkContentListWindow::last_sorting = {false, 1};
 996 Filtering NetworkContentListWindow::last_filtering = {false, 0};
 997
 998 NetworkContentListWindow::GUIContentList::SortFunction * const NetworkContentListWindow::sorter_funcs[] = {
 999         &StateSorter,
1000         &TypeSorter,
1001         &NameSorter,
1002 };
1003
1004 NetworkContentListWindow::GUIContentList::FilterFunction * const NetworkContentListWindow::filter_funcs[] = {
1005         &TagNameFilter,
1006         &TypeOrSelectedFilter,
1007 };
1008
1009 char NetworkContentListWindow::content_type_strs[CONTENT_TYPE_END][64];
1010
1011 /**
1012  * Build array of all strings corresponding to the content types.
1013  */
1014 void BuildContentTypeStringList()
1015 {
1016         for (int i = CONTENT_TYPE_BEGIN; i < CONTENT_TYPE_END; i++) {
1017                 GetString(NetworkContentListWindow::content_type_strs[i], STR_CONTENT_TYPE_BASE_GRAPHICS + i - CONTENT_TYPE_BASE_GRAPHICS, lastof(NetworkContentListWindow::content_type_strs[i]));
1018         }
1019 }
1020
1021 /** The widgets for the content list. */
1022 static const NWidgetPart _nested_network_content_list_widgets[] = {
1023         NWidget(NWID_HORIZONTAL),
1024                 NWidget(WWT_CLOSEBOX, COLOUR_LIGHT_BLUE),
1025                 NWidget(WWT_CAPTION, COLOUR_LIGHT_BLUE), SetDataTip(STR_CONTENT_TITLE, STR_NULL),
1026                 NWidget(WWT_DEFSIZEBOX, COLOUR_LIGHT_BLUE),
1027         EndContainer(),
1028         NWidget(WWT_PANEL, COLOUR_LIGHT_BLUE, WID_NCL_BACKGROUND),
1029                 NWidget(NWID_SPACER), SetMinimalSize(0, 7), SetResize(1, 0),
1030                 NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(8, 8, 8),
1031                         /* Top */
1032                         NWidget(WWT_EMPTY, COLOUR_LIGHT_BLUE, WID_NCL_FILTER_CAPT), SetFill(1, 0), SetResize(1, 0),
1033                         NWidget(WWT_EDITBOX, COLOUR_LIGHT_BLUE, WID_NCL_FILTER), SetFill(1, 0), SetResize(1, 0),
1034                                                 SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
1035                 EndContainer(),
1036                 NWidget(NWID_SPACER), SetMinimalSize(0, 7), SetResize(1, 0),
1037                 NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(8, 8, 8),
1038                         /* Left side. */
1039                         NWidget(NWID_VERTICAL), SetPIP(0, 4, 0),
1040                                 NWidget(NWID_HORIZONTAL),
1041                                         NWidget(NWID_VERTICAL),
1042                                                 NWidget(NWID_HORIZONTAL),
1043                                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_CHECKBOX), SetMinimalSize(13, 1), SetDataTip(STR_EMPTY, STR_NULL),
1044                                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_TYPE),
1045                                                                                         SetDataTip(STR_CONTENT_TYPE_CAPTION, STR_CONTENT_TYPE_CAPTION_TOOLTIP),
1046                                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_NAME), SetResize(1, 0), SetFill(1, 0),
1047                                                                                         SetDataTip(STR_CONTENT_NAME_CAPTION, STR_CONTENT_NAME_CAPTION_TOOLTIP),
1048                                                 EndContainer(),
1049                                                 NWidget(WWT_MATRIX, COLOUR_LIGHT_BLUE, WID_NCL_MATRIX), SetResize(1, 14), SetFill(1, 1), SetScrollbar(WID_NCL_SCROLLBAR), SetMatrixDataTip(1, 0, STR_CONTENT_MATRIX_TOOLTIP),
1050                                         EndContainer(),
1051                                         NWidget(NWID_VSCROLLBAR, COLOUR_LIGHT_BLUE, WID_NCL_SCROLLBAR),
1052                                 EndContainer(),
1053                                 NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, 8, 0),
1054                                         NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NCL_SEL_ALL_UPDATE), SetResize(1, 0), SetFill(1, 0),
1055                                                 NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_SELECT_UPDATE), SetResize(1, 0), SetFill(1, 0),
1056                                                                                                 SetDataTip(STR_CONTENT_SELECT_UPDATES_CAPTION, STR_CONTENT_SELECT_UPDATES_CAPTION_TOOLTIP),
1057                                                 NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_SELECT_ALL), SetResize(1, 0), SetFill(1, 0),
1058                                                                                                 SetDataTip(STR_CONTENT_SELECT_ALL_CAPTION, STR_CONTENT_SELECT_ALL_CAPTION_TOOLTIP),
1059                                         EndContainer(),
1060                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_UNSELECT), SetResize(1, 0), SetFill(1, 0),
1061                                                                                                 SetDataTip(STR_CONTENT_UNSELECT_ALL_CAPTION, STR_CONTENT_UNSELECT_ALL_CAPTION_TOOLTIP),
1062                                 EndContainer(),
1063                         EndContainer(),
1064                         /* Right side. */
1065                         NWidget(NWID_VERTICAL), SetPIP(0, 4, 0),
1066                                 NWidget(WWT_PANEL, COLOUR_LIGHT_BLUE, WID_NCL_DETAILS), SetResize(1, 1), SetFill(1, 1), EndContainer(),
1067                                 NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, 8, 0),
1068                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
1069                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
1070                                 EndContainer(),
1071                                 NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, 8, 0),
1072                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_OPEN_URL), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_CONTENT_OPEN_URL, STR_CONTENT_OPEN_URL_TOOLTIP),
1073                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
1074                                 EndContainer(),
1075                         EndContainer(),
1076                 EndContainer(),
1077                 NWidget(NWID_SPACER), SetMinimalSize(0, 7), SetResize(1, 0),
1078                 /* Bottom. */
1079                 NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(8, 8, 8),
1080                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_SEARCH_EXTERNAL), SetResize(1, 0), SetFill(1, 0),
1081                                                                                 SetDataTip(STR_CONTENT_SEARCH_EXTERNAL, STR_CONTENT_SEARCH_EXTERNAL_TOOLTIP),
1082                         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, 8, 0),
1083                                 NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_CANCEL), SetResize(1, 0), SetFill(1, 0),
1084                                                                                         SetDataTip(STR_BUTTON_CANCEL, STR_NULL),
1085                                 NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_DOWNLOAD), SetResize(1, 0), SetFill(1, 0),
1086                                                                                         SetDataTip(STR_CONTENT_DOWNLOAD_CAPTION, STR_CONTENT_DOWNLOAD_CAPTION_TOOLTIP),
1087                         EndContainer(),
1088                 EndContainer(),
1089                 NWidget(NWID_SPACER), SetMinimalSize(0, 2), SetResize(1, 0),
1090                 /* Resize button. */
1091                 NWidget(NWID_HORIZONTAL),
1092                         NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
1093                         NWidget(WWT_RESIZEBOX, COLOUR_LIGHT_BLUE),
1094                 EndContainer(),
1095         EndContainer(),
1096 };
1097
1098 /** Window description of the content list */
1099 static WindowDesc _network_content_list_desc(
1100         WDP_CENTER, "list_content", 630, 460,
1101         WC_NETWORK_WINDOW, WC_NONE,
1102         0,
1103         _nested_network_content_list_widgets, lengthof(_nested_network_content_list_widgets)
1104 );
1105
1106 /**
1107  * Show the content list window with a given set of content
1108  * @param cv the content to show, or nullptr when it has to search for itself
1109  * @param type1 the first type to (only) show or #CONTENT_TYPE_END to show all.
1110  * @param type2 the second type to (only) show in addition to type1. If type2 is != #CONTENT_TYPE_END, then also type1 should be != #CONTENT_TYPE_END.
1111  *   If type2 != #CONTENT_TYPE_END, then type1 != type2 must be true.
1112  */
1113 void ShowNetworkContentListWindow(ContentVector *cv, ContentType type1, ContentType type2)
1114 {
1115 #if defined(WITH_ZLIB)
1116         std::bitset<CONTENT_TYPE_END> types;
1117         _network_content_client.Clear();
1118         if (cv == nullptr) {
1119                 assert(type1 != CONTENT_TYPE_END || type2 == CONTENT_TYPE_END);
1120                 assert(type1 == CONTENT_TYPE_END || type1 != type2);
1121                 _network_content_client.RequestContentList(type1);
1122                 if (type2 != CONTENT_TYPE_END) _network_content_client.RequestContentList(type2);
1123
1124                 if (type1 != CONTENT_TYPE_END) types[type1] = true;
1125                 if (type2 != CONTENT_TYPE_END) types[type2] = true;
1126         } else {
1127                 _network_content_client.RequestContentList(cv, true);
1128         }
1129
1130         CloseWindowById(WC_NETWORK_WINDOW, WN_NETWORK_WINDOW_CONTENT_LIST);
1131         new NetworkContentListWindow(&_network_content_list_desc, cv != nullptr, types);
1132 #else
1133         ShowErrorMessage(STR_CONTENT_NO_ZLIB, STR_CONTENT_NO_ZLIB_SUB, WL_ERROR);
1134         /* Connection failed... clean up the mess */
1135         if (cv != nullptr) {
1136                 for (ContentInfo *ci : *cv) delete ci;
1137         }
1138 #endif /* WITH_ZLIB */
1139 }