src/network/network_content_gui.cpp

   1 /* $Id$ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * 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.
   6  * 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.
   7  * 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/>.
   8  */
   9
  10 /** @file network_content_gui.cpp Implementation of the Network Content related GUIs. */
  11
  12 #if defined(ENABLE_NETWORK)
  13 #include "../stdafx.h"
  14 #include "../strings_func.h"
  15 #include "../gfx_func.h"
  16 #include "../window_func.h"
  17 #include "../error.h"
  18 #include "../ai/ai.hpp"
  19 #include "../game/game.hpp"
  20 #include "../base_media_base.h"
  21 #include "../sortlist_type.h"
  22 #include "../stringfilter_type.h"
  23 #include "../querystring_gui.h"
  24 #include "../core/geometry_func.hpp"
  25 #include "../textfile_gui.h"
  26 #include "network_content_gui.h"
  27
  28
  29 #include "table/strings.h"
  30 #include "../table/sprites.h"
  31
  32 #include <bitset>
  33
  34 #include "../safeguards.h"
  35
  36
  37 /** Whether the user accepted to enter external websites during this session. */
  38 static bool _accepted_external_search = false;
  39
  40
  41 /** Window for displaying the textfile of an item in the content list. */
  42 struct ContentTextfileWindow : public TextfileWindow {
  43         const ContentInfo *ci; ///< View the textfile of this ContentInfo.
  44
  45         ContentTextfileWindow(TextfileType file_type, const ContentInfo *ci) : TextfileWindow(file_type), ci(ci)
  46         {
  47                 const char *textfile = this->ci->GetTextfile(file_type);
  48                 this->LoadTextfile(textfile, GetContentInfoSubDir(this->ci->type));
  49         }
  50
  51         StringID GetTypeString() const
  52         {
  53                 switch (this->ci->type) {
  54                         case CONTENT_TYPE_NEWGRF:        return STR_CONTENT_TYPE_NEWGRF;
  55                         case CONTENT_TYPE_BASE_GRAPHICS: return STR_CONTENT_TYPE_BASE_GRAPHICS;
  56                         case CONTENT_TYPE_BASE_SOUNDS:   return STR_CONTENT_TYPE_BASE_SOUNDS;
  57                         case CONTENT_TYPE_BASE_MUSIC:    return STR_CONTENT_TYPE_BASE_MUSIC;
  58                         case CONTENT_TYPE_AI:            return STR_CONTENT_TYPE_AI;
  59                         case CONTENT_TYPE_AI_LIBRARY:    return STR_CONTENT_TYPE_AI_LIBRARY;
  60                         case CONTENT_TYPE_GAME:          return STR_CONTENT_TYPE_GAME_SCRIPT;
  61                         case CONTENT_TYPE_GAME_LIBRARY:  return STR_CONTENT_TYPE_GS_LIBRARY;
  62                         case CONTENT_TYPE_SCENARIO:      return STR_CONTENT_TYPE_SCENARIO;
  63                         case CONTENT_TYPE_HEIGHTMAP:     return STR_CONTENT_TYPE_HEIGHTMAP;
  64                         default: NOT_REACHED();
  65                 }
  66         }
  67
  68         /* virtual */ void SetStringParameters(int widget) const
  69         {
  70                 if (widget == WID_TF_CAPTION) {
  71                         SetDParam(0, this->GetTypeString());
  72                         SetDParamStr(1, this->ci->name);
  73                 }
  74         }
  75 };
  76
  77 void ShowContentTextfileWindow(TextfileType file_type, const ContentInfo *ci)
  78 {
  79         DeleteWindowByClass(WC_TEXTFILE);
  80         new ContentTextfileWindow(file_type, ci);
  81 }
  82
  83 /** Nested widgets for the download window. */
  84 static const NWidgetPart _nested_network_content_download_status_window_widgets[] = {
  85         NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CONTENT_DOWNLOAD_TITLE, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
  86         NWidget(WWT_PANEL, COLOUR_GREY, WID_NCDS_BACKGROUND),
  87                 NWidget(NWID_SPACER), SetMinimalSize(350, 0), SetMinimalTextLines(3, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM + 30),
  88                 NWidget(NWID_HORIZONTAL),
  89                         NWidget(NWID_SPACER), SetMinimalSize(125, 0),
  90                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCDS_CANCELOK), SetMinimalSize(101, 12), SetDataTip(STR_BUTTON_CANCEL, STR_NULL),
  91                         NWidget(NWID_SPACER), SetFill(1, 0),
  92                 EndContainer(),
  93                 NWidget(NWID_SPACER), SetMinimalSize(0, 4),
  94         EndContainer(),
  95 };
  96
  97 /** Window description for the download window */
  98 static WindowDesc _network_content_download_status_window_desc(
  99         WDP_CENTER, NULL, 0, 0,
 100         WC_NETWORK_STATUS_WINDOW, WC_NONE,
 101         WDF_MODAL,
 102         _nested_network_content_download_status_window_widgets, lengthof(_nested_network_content_download_status_window_widgets)
 103 );
 104
 105 BaseNetworkContentDownloadStatusWindow::BaseNetworkContentDownloadStatusWindow(WindowDesc *desc) :
 106                 Window(desc), cur_id(UINT32_MAX)
 107 {
 108         _network_content_client.AddCallback(this);
 109         _network_content_client.DownloadSelectedContent(this->total_files, this->total_bytes);
 110
 111         this->InitNested(WN_NETWORK_STATUS_WINDOW_CONTENT_DOWNLOAD);
 112 }
 113
 114 BaseNetworkContentDownloadStatusWindow::~BaseNetworkContentDownloadStatusWindow()
 115 {
 116         _network_content_client.RemoveCallback(this);
 117 }
 118
 119 /* virtual */ void BaseNetworkContentDownloadStatusWindow::DrawWidget(const Rect &r, int widget) const
 120 {
 121         if (widget != WID_NCDS_BACKGROUND) return;
 122
 123         /* Draw nice progress bar :) */
 124         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);
 125
 126         int y = r.top + 20;
 127         SetDParam(0, this->downloaded_bytes);
 128         SetDParam(1, this->total_bytes);
 129         SetDParam(2, this->downloaded_bytes * 100LL / this->total_bytes);
 130         DrawString(r.left + 2, r.right - 2, y, STR_CONTENT_DOWNLOAD_PROGRESS_SIZE, TC_FROMSTRING, SA_HOR_CENTER);
 131
 132         StringID str;
 133         if (this->downloaded_bytes == this->total_bytes) {
 134                 str = STR_CONTENT_DOWNLOAD_COMPLETE;
 135         } else if (!StrEmpty(this->name)) {
 136                 SetDParamStr(0, this->name);
 137                 SetDParam(1, this->downloaded_files);
 138                 SetDParam(2, this->total_files);
 139                 str = STR_CONTENT_DOWNLOAD_FILE;
 140         } else {
 141                 str = STR_CONTENT_DOWNLOAD_INITIALISE;
 142         }
 143
 144         y += FONT_HEIGHT_NORMAL + 5;
 145         DrawStringMultiLine(r.left + 2, r.right - 2, y, y + FONT_HEIGHT_NORMAL * 2, str, TC_FROMSTRING, SA_CENTER);
 146 }
 147
 148 /* virtual */ void BaseNetworkContentDownloadStatusWindow::OnDownloadProgress(const ContentInfo *ci, int bytes)
 149 {
 150         if (ci->id != this->cur_id) {
 151                 strecpy(this->name, ci->filename, lastof(this->name));
 152                 this->cur_id = ci->id;
 153                 this->downloaded_files++;
 154         }
 155
 156         this->downloaded_bytes += bytes;
 157         this->SetDirty();
 158 }
 159
 160
 161 /** Window for showing the download status of content */
 162 struct NetworkContentDownloadStatusWindow : public BaseNetworkContentDownloadStatusWindow {
 163 private:
 164         SmallVector<ContentType, 4> receivedTypes;     ///< Types we received so we can update their cache
 165
 166 public:
 167         /**
 168          * Create a new download window based on a list of content information
 169          * with flags whether to download them or not.
 170          */
 171         NetworkContentDownloadStatusWindow() : BaseNetworkContentDownloadStatusWindow(&_network_content_download_status_window_desc)
 172         {
 173                 this->parent = FindWindowById(WC_NETWORK_WINDOW, WN_NETWORK_WINDOW_CONTENT_LIST);
 174         }
 175
 176         /** Free whatever we've allocated */
 177         ~NetworkContentDownloadStatusWindow()
 178         {
 179                 TarScanner::Mode mode = TarScanner::NONE;
 180                 for (ContentType *iter = this->receivedTypes.Begin(); iter != this->receivedTypes.End(); iter++) {
 181                         switch (*iter) {
 182                                 case CONTENT_TYPE_AI:
 183                                 case CONTENT_TYPE_AI_LIBRARY:
 184                                         /* AI::Rescan calls the scanner. */
 185                                         break;
 186                                 case CONTENT_TYPE_GAME:
 187                                 case CONTENT_TYPE_GAME_LIBRARY:
 188                                         /* Game::Rescan calls the scanner. */
 189                                         break;
 190
 191                                 case CONTENT_TYPE_BASE_GRAPHICS:
 192                                 case CONTENT_TYPE_BASE_SOUNDS:
 193                                 case CONTENT_TYPE_BASE_MUSIC:
 194                                         mode |= TarScanner::BASESET;
 195                                         break;
 196
 197                                 case CONTENT_TYPE_NEWGRF:
 198                                         /* ScanNewGRFFiles calls the scanner. */
 199                                         break;
 200
 201                                 case CONTENT_TYPE_SCENARIO:
 202                                 case CONTENT_TYPE_HEIGHTMAP:
 203                                         mode |= TarScanner::SCENARIO;
 204                                         break;
 205
 206                                 default:
 207                                         break;
 208                         }
 209                 }
 210
 211                 TarScanner::DoScan(mode);
 212
 213                 /* Tell all the backends about what we've downloaded */
 214                 for (ContentType *iter = this->receivedTypes.Begin(); iter != this->receivedTypes.End(); iter++) {
 215                         switch (*iter) {
 216                                 case CONTENT_TYPE_AI:
 217                                 case CONTENT_TYPE_AI_LIBRARY:
 218                                         AI::Rescan();
 219                                         break;
 220
 221                                 case CONTENT_TYPE_GAME:
 222                                 case CONTENT_TYPE_GAME_LIBRARY:
 223                                         Game::Rescan();
 224                                         break;
 225
 226                                 case CONTENT_TYPE_BASE_GRAPHICS:
 227                                         BaseGraphics::FindSets();
 228                                         SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_OPTIONS);
 229                                         break;
 230
 231                                 case CONTENT_TYPE_BASE_SOUNDS:
 232                                         BaseSounds::FindSets();
 233                                         SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_OPTIONS);
 234                                         break;
 235
 236                                 case CONTENT_TYPE_BASE_MUSIC:
 237                                         BaseMusic::FindSets();
 238                                         SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_OPTIONS);
 239                                         break;
 240
 241                                 case CONTENT_TYPE_NEWGRF:
 242                                         ScanNewGRFFiles(NULL);
 243                                         break;
 244
 245                                 case CONTENT_TYPE_SCENARIO:
 246                                 case CONTENT_TYPE_HEIGHTMAP:
 247                                         extern void ScanScenarios();
 248                                         ScanScenarios();
 249                                         InvalidateWindowData(WC_SAVELOAD, 0, 0);
 250                                         break;
 251
 252                                 default:
 253                                         break;
 254                         }
 255                 }
 256
 257                 /* Always invalidate the download window; tell it we are going to be gone */
 258                 InvalidateWindowData(WC_NETWORK_WINDOW, WN_NETWORK_WINDOW_CONTENT_LIST, 2);
 259         }
 260
 261         virtual void OnClick(Point pt, int widget, int click_count)
 262         {
 263                 if (widget == WID_NCDS_CANCELOK) {
 264                         if (this->downloaded_bytes != this->total_bytes) {
 265                                 _network_content_client.Close();
 266                                 delete this;
 267                         } else {
 268                                 /* If downloading succeeded, close the online content window. This will close
 269                                  * the current window as well. */
 270                                 DeleteWindowById(WC_NETWORK_WINDOW, WN_NETWORK_WINDOW_CONTENT_LIST);
 271                         }
 272                 }
 273         }
 274
 275         virtual void OnDownloadProgress(const ContentInfo *ci, int bytes)
 276         {
 277                 BaseNetworkContentDownloadStatusWindow::OnDownloadProgress(ci, bytes);
 278                 this->receivedTypes.Include(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 criterias 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, "http://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 (ConstContentIterator iter = this->content.Begin(); iter != this->content.End(); iter++) {
 338                                 const ContentInfo *ci = *iter;
 339                                 if (ci->state != ContentInfo::DOES_NOT_EXIST) continue;
 340
 341                                 if (!first) pos = strecpy(pos, ",", last);
 342                                 first = false;
 343
 344                                 pos += seprintf(pos, last, "%08X", ci->unique_id);
 345                                 pos = strecpy(pos, ":", last);
 346                                 pos = md5sumToString(pos, last, ci->md5sum);
 347                         }
 348                 } else {
 349                         pos = strecpy(pos, "do=searchtext&q=", last);
 350
 351                         /* Escape search term */
 352                         for (const char *search = this->filter_editbox.text.buf; *search != '\0'; search++) {
 353                                 /* Remove quotes */
 354                                 if (*search == '\'' || *search == '"') continue;
 355
 356                                 /* Escape special chars, such as &%,= */
 357                                 if (*search < 0x30) {
 358                                         pos += seprintf(pos, last, "%%%02X", *search);
 359                                 } else if (pos < last) {
 360                                         *pos = *search;
 361                                         *++pos = '\0';
 362                                 }
 363                         }
 364                 }
 365
 366                 OpenBrowser(url);
 367         }
 368
 369         /**
 370          * Callback function for disclaimer about entering external websites.
 371          */
 372         static void ExternalSearchDisclaimerCallback(Window *w, bool accepted)
 373         {
 374                 if (accepted) {
 375                         _accepted_external_search = true;
 376                         ((NetworkContentListWindow*)w)->OpenExternalSearch();
 377                 }
 378         }
 379
 380         /**
 381          * (Re)build the network game list as its amount has changed because
 382          * an item has been added or deleted for example
 383          */
 384         void BuildContentList()
 385         {
 386                 if (!this->content.NeedRebuild()) return;
 387
 388                 /* Create temporary array of games to use for listing */
 389                 this->content.Clear();
 390
 391                 bool all_available = true;
 392
 393                 for (ConstContentIterator iter = _network_content_client.Begin(); iter != _network_content_client.End(); iter++) {
 394                         if ((*iter)->state == ContentInfo::DOES_NOT_EXIST) all_available = false;
 395                         *this->content.Append() = *iter;
 396                 }
 397
 398                 this->SetWidgetDisabledState(WID_NCL_SEARCH_EXTERNAL, this->auto_select && all_available);
 399
 400                 this->FilterContentList();
 401                 this->content.Compact();
 402                 this->content.RebuildDone();
 403                 this->SortContentList();
 404
 405                 this->vscroll->SetCount(this->content.Length()); // Update the scrollbar
 406                 this->ScrollToSelected();
 407         }
 408
 409         /** Sort content by name. */
 410         static int CDECL NameSorter(const ContentInfo * const *a, const ContentInfo * const *b)
 411         {
 412                 return strnatcmp((*a)->name, (*b)->name, true); // Sort by name (natural sorting).
 413         }
 414
 415         /** Sort content by type. */
 416         static int CDECL TypeSorter(const ContentInfo * const *a, const ContentInfo * const *b)
 417         {
 418                 int r = 0;
 419                 if ((*a)->type != (*b)->type) {
 420                         r = strnatcmp(content_type_strs[(*a)->type], content_type_strs[(*b)->type]);
 421                 }
 422                 if (r == 0) r = NameSorter(a, b);
 423                 return r;
 424         }
 425
 426         /** Sort content by state. */
 427         static int CDECL StateSorter(const ContentInfo * const *a, const ContentInfo * const *b)
 428         {
 429                 int r = (*a)->state - (*b)->state;
 430                 if (r == 0) r = TypeSorter(a, b);
 431                 return r;
 432         }
 433
 434         /** Sort the content list */
 435         void SortContentList()
 436         {
 437                 if (!this->content.Sort()) return;
 438
 439                 for (ConstContentIterator iter = this->content.Begin(); iter != this->content.End(); iter++) {
 440                         if (*iter == this->selected) {
 441                                 this->list_pos = iter - this->content.Begin();
 442                                 break;
 443                         }
 444                 }
 445         }
 446
 447         /** Filter content by tags/name */
 448         static bool CDECL TagNameFilter(const ContentInfo * const *a, ContentListFilterData &filter)
 449         {
 450                 filter.string_filter.ResetState();
 451                 for (int i = 0; i < (*a)->tag_count; i++) {
 452                         filter.string_filter.AddLine((*a)->tags[i]);
 453                 }
 454                 filter.string_filter.AddLine((*a)->name);
 455                 return filter.string_filter.GetState();
 456         }
 457
 458         /** Filter content by type, but still show content selected for download. */
 459         static bool CDECL TypeOrSelectedFilter(const ContentInfo * const *a, ContentListFilterData &filter)
 460         {
 461                 if (filter.types.none()) return true;
 462                 if (filter.types[(*a)->type]) return true;
 463                 return ((*a)->state == ContentInfo::SELECTED || (*a)->state == ContentInfo::AUTOSELECTED);
 464         }
 465
 466         /** Filter the content list */
 467         void FilterContentList()
 468         {
 469                 /* Apply filters. */
 470                 bool changed = false;
 471                 if (!this->filter_data.string_filter.IsEmpty()) {
 472                         this->content.SetFilterType(CONTENT_FILTER_TEXT);
 473                         changed |= this->content.Filter(this->filter_data);
 474                 }
 475                 if (this->filter_data.types.any()) {
 476                         this->content.SetFilterType(CONTENT_FILTER_TYPE_OR_SELECTED);
 477                         changed |= this->content.Filter(this->filter_data);
 478                 }
 479                 if (!changed) return;
 480
 481                 /* update list position */
 482                 for (ConstContentIterator iter = this->content.Begin(); iter != this->content.End(); iter++) {
 483                         if (*iter == this->selected) {
 484                                 this->list_pos = iter - this->content.Begin();
 485                                 return;
 486                         }
 487                 }
 488
 489                 /* previously selected item not in list anymore */
 490                 this->selected = NULL;
 491                 this->list_pos = 0;
 492         }
 493
 494         /**
 495          * Update filter state based on current window state.
 496          * @return true if filter state was changed, otherwise false.
 497          */
 498         bool UpdateFilterState()
 499         {
 500                 Filtering old_params = this->content.GetFiltering();
 501                 bool new_state = !this->filter_data.string_filter.IsEmpty() || this->filter_data.types.any();
 502                 if (new_state != old_params.state) {
 503                         this->content.SetFilterState(new_state);
 504                 }
 505                 return new_state != old_params.state;
 506         }
 507
 508         /** Make sure that the currently selected content info is within the visible part of the matrix */
 509         void ScrollToSelected()
 510         {
 511                 if (this->selected == NULL) return;
 512
 513                 this->vscroll->ScrollTowards(this->list_pos);
 514         }
 515
 516         friend void BuildContentTypeStringList();
 517 public:
 518         /**
 519          * Create the content list window.
 520          * @param desc the window description to pass to Window's constructor.
 521          * @param select_all Whether the select all button is allowed or not.
 522          * @param type the main type of content to display or #CONTENT_TYPE_END.
 523          *   When a type other than #CONTENT_TYPE_END is given, dependencies of
 524          *   other types are only shown when content that depend on them are
 525          *   selected.
 526          */
 527         NetworkContentListWindow(WindowDesc *desc, bool select_all, const std::bitset<CONTENT_TYPE_END> &types) :
 528                         Window(desc),
 529                         auto_select(select_all),
 530                         filter_editbox(EDITBOX_MAX_SIZE),
 531                         selected(NULL),
 532                         list_pos(0)
 533         {
 534                 this->checkbox_size = maxdim(maxdim(GetSpriteSize(SPR_BOX_EMPTY), GetSpriteSize(SPR_BOX_CHECKED)), GetSpriteSize(SPR_BLOT));
 535
 536                 this->CreateNestedTree();
 537                 this->vscroll = this->GetScrollbar(WID_NCL_SCROLLBAR);
 538                 this->FinishInitNested(WN_NETWORK_WINDOW_CONTENT_LIST);
 539
 540                 this->GetWidget<NWidgetStacked>(WID_NCL_SEL_ALL_UPDATE)->SetDisplayedPlane(select_all);
 541
 542                 this->querystrings[WID_NCL_FILTER] = &this->filter_editbox;
 543                 this->filter_editbox.cancel_button = QueryString::ACTION_CLEAR;
 544                 this->SetFocusedWidget(WID_NCL_FILTER);
 545                 this->SetWidgetDisabledState(WID_NCL_SEARCH_EXTERNAL, this->auto_select);
 546                 this->filter_data.types = types;
 547
 548                 _network_content_client.AddCallback(this);
 549                 this->content.SetListing(this->last_sorting);
 550                 this->content.SetFiltering(this->last_filtering);
 551                 this->content.SetSortFuncs(this->sorter_funcs);
 552                 this->content.SetFilterFuncs(this->filter_funcs);
 553                 this->UpdateFilterState();
 554                 this->content.ForceRebuild();
 555                 this->FilterContentList();
 556                 this->SortContentList();
 557                 this->InvalidateData();
 558         }
 559
 560         /** Free everything we allocated */
 561         ~NetworkContentListWindow()
 562         {
 563                 _network_content_client.RemoveCallback(this);
 564         }
 565
 566         virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
 567         {
 568                 switch (widget) {
 569                         case WID_NCL_FILTER_CAPT:
 570                                 *size = maxdim(*size, GetStringBoundingBox(STR_CONTENT_FILTER_TITLE));
 571                                 break;
 572
 573                         case WID_NCL_CHECKBOX:
 574                                 size->width = this->checkbox_size.width + WD_MATRIX_RIGHT + WD_MATRIX_LEFT;
 575                                 break;
 576
 577                         case WID_NCL_TYPE: {
 578                                 Dimension d = *size;
 579                                 for (int i = CONTENT_TYPE_BEGIN; i < CONTENT_TYPE_END; i++) {
 580                                         d = maxdim(d, GetStringBoundingBox(STR_CONTENT_TYPE_BASE_GRAPHICS + i - CONTENT_TYPE_BASE_GRAPHICS));
 581                                 }
 582                                 size->width = d.width + WD_MATRIX_RIGHT + WD_MATRIX_LEFT;
 583                                 break;
 584                         }
 585
 586                         case WID_NCL_MATRIX:
 587                                 resize->height = max(this->checkbox_size.height, (uint)FONT_HEIGHT_NORMAL) + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
 588                                 size->height = 10 * resize->height;
 589                                 break;
 590                 }
 591         }
 592
 593
 594         virtual void DrawWidget(const Rect &r, int widget) const
 595         {
 596                 switch (widget) {
 597                         case WID_NCL_FILTER_CAPT:
 598                                 DrawString(r.left, r.right, r.top, STR_CONTENT_FILTER_TITLE, TC_FROMSTRING, SA_RIGHT);
 599                                 break;
 600
 601                         case WID_NCL_DETAILS:
 602                                 this->DrawDetails(r);
 603                                 break;
 604
 605                         case WID_NCL_MATRIX:
 606                                 this->DrawMatrix(r);
 607                                 break;
 608                 }
 609         }
 610
 611         virtual void OnPaint()
 612         {
 613                 const SortButtonState arrow = this->content.IsDescSortOrder() ? SBS_DOWN : SBS_UP;
 614
 615                 if (this->content.NeedRebuild()) {
 616                         this->BuildContentList();
 617                 }
 618
 619                 this->DrawWidgets();
 620
 621                 switch (this->content.SortType()) {
 622                         case WID_NCL_CHECKBOX - WID_NCL_CHECKBOX: this->DrawSortButtonState(WID_NCL_CHECKBOX, arrow); break;
 623                         case WID_NCL_TYPE     - WID_NCL_CHECKBOX: this->DrawSortButtonState(WID_NCL_TYPE,     arrow); break;
 624                         case WID_NCL_NAME     - WID_NCL_CHECKBOX: this->DrawSortButtonState(WID_NCL_NAME,     arrow); break;
 625                 }
 626         }
 627
 628         /**
 629          * Draw/fill the matrix with the list of content to download.
 630          * @param r The boundaries of the matrix.
 631          */
 632         void DrawMatrix(const Rect &r) const
 633         {
 634                 const NWidgetBase *nwi_checkbox = this->GetWidget<NWidgetBase>(WID_NCL_CHECKBOX);
 635                 const NWidgetBase *nwi_name = this->GetWidget<NWidgetBase>(WID_NCL_NAME);
 636                 const NWidgetBase *nwi_type = this->GetWidget<NWidgetBase>(WID_NCL_TYPE);
 637
 638                 int line_height = max(this->checkbox_size.height, (uint)FONT_HEIGHT_NORMAL);
 639
 640                 /* Fill the matrix with the information */
 641                 int sprite_y_offset = WD_MATRIX_TOP + (line_height - this->checkbox_size.height) / 2 - 1;
 642                 int text_y_offset = WD_MATRIX_TOP + (line_height - FONT_HEIGHT_NORMAL) / 2;
 643                 uint y = r.top;
 644                 int cnt = 0;
 645                 for (ConstContentIterator iter = this->content.Get(this->vscroll->GetPosition()); iter != this->content.End() && cnt < this->vscroll->GetCapacity(); iter++, cnt++) {
 646                         const ContentInfo *ci = *iter;
 647
 648                         if (ci == this->selected) GfxFillRect(r.left + 1, y + 1, r.right - 1, y + this->resize.step_height - 1, PC_GREY);
 649
 650                         SpriteID sprite;
 651                         SpriteID pal = PAL_NONE;
 652                         switch (ci->state) {
 653                                 case ContentInfo::UNSELECTED:     sprite = SPR_BOX_EMPTY;   break;
 654                                 case ContentInfo::SELECTED:       sprite = SPR_BOX_CHECKED; break;
 655                                 case ContentInfo::AUTOSELECTED:   sprite = SPR_BOX_CHECKED; break;
 656                                 case ContentInfo::ALREADY_HERE:   sprite = SPR_BLOT; pal = PALETTE_TO_GREEN; break;
 657                                 case ContentInfo::DOES_NOT_EXIST: sprite = SPR_BLOT; pal = PALETTE_TO_RED;   break;
 658                                 default: NOT_REACHED();
 659                         }
 660                         DrawSprite(sprite, pal, nwi_checkbox->pos_x + (pal == PAL_NONE ? 2 : 3), y + sprite_y_offset + (pal == PAL_NONE ? 1 : 0));
 661
 662                         StringID str = STR_CONTENT_TYPE_BASE_GRAPHICS + ci->type - CONTENT_TYPE_BASE_GRAPHICS;
 663                         DrawString(nwi_type->pos_x, nwi_type->pos_x + nwi_type->current_x - 1, y + text_y_offset, str, TC_BLACK, SA_HOR_CENTER);
 664
 665                         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);
 666                         y += this->resize.step_height;
 667                 }
 668         }
 669
 670         /**
 671          * Helper function to draw the details part of this window.
 672          * @param r the rectangle to stay within while drawing
 673          */
 674         void DrawDetails(const Rect &r) const
 675         {
 676                 static const int DETAIL_LEFT         =  5; ///< Number of pixels at the left
 677                 static const int DETAIL_RIGHT        =  5; ///< Number of pixels at the right
 678                 static const int DETAIL_TOP          =  5; ///< Number of pixels at the top
 679
 680                 /* Height for the title banner */
 681                 int DETAIL_TITLE_HEIGHT = 5 * FONT_HEIGHT_NORMAL;
 682
 683                 /* Create the nice grayish rectangle at the details top */
 684                 GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.top + DETAIL_TITLE_HEIGHT, PC_DARK_BLUE);
 685                 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);
 686
 687                 /* Draw the total download size */
 688                 SetDParam(0, this->filesize_sum);
 689                 DrawString(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, r.bottom - FONT_HEIGHT_NORMAL - WD_PAR_VSEP_NORMAL, STR_CONTENT_TOTAL_DOWNLOAD_SIZE);
 690
 691                 if (this->selected == NULL) return;
 692
 693                 /* And fill the rest of the details when there's information to place there */
 694                 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);
 695
 696                 /* Also show the total download size, so keep some space from the bottom */
 697                 const uint max_y = r.bottom - FONT_HEIGHT_NORMAL - WD_PAR_VSEP_WIDE;
 698                 int y = r.top + DETAIL_TITLE_HEIGHT + DETAIL_TOP;
 699
 700                 if (this->selected->upgrade) {
 701                         SetDParam(0, STR_CONTENT_TYPE_BASE_GRAPHICS + this->selected->type - CONTENT_TYPE_BASE_GRAPHICS);
 702                         y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_UPDATE);
 703                         y += WD_PAR_VSEP_WIDE;
 704                 }
 705
 706                 SetDParamStr(0, this->selected->name);
 707                 y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_NAME);
 708
 709                 if (!StrEmpty(this->selected->version)) {
 710                         SetDParamStr(0, this->selected->version);
 711                         y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_VERSION);
 712                 }
 713
 714                 if (!StrEmpty(this->selected->description)) {
 715                         SetDParamStr(0, this->selected->description);
 716                         y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_DESCRIPTION);
 717                 }
 718
 719                 if (!StrEmpty(this->selected->url)) {
 720                         SetDParamStr(0, this->selected->url);
 721                         y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_URL);
 722                 }
 723
 724                 SetDParam(0, STR_CONTENT_TYPE_BASE_GRAPHICS + this->selected->type - CONTENT_TYPE_BASE_GRAPHICS);
 725                 y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_TYPE);
 726
 727                 y += WD_PAR_VSEP_WIDE;
 728                 SetDParam(0, this->selected->filesize);
 729                 y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_FILESIZE);
 730
 731                 if (this->selected->dependency_count != 0) {
 732                         /* List dependencies */
 733                         char buf[DRAW_STRING_BUFFER] = "";
 734                         char *p = buf;
 735                         for (uint i = 0; i < this->selected->dependency_count; i++) {
 736                                 ContentID cid = this->selected->dependencies[i];
 737
 738                                 /* Try to find the dependency */
 739                                 ConstContentIterator iter = _network_content_client.Begin();
 740                                 for (; iter != _network_content_client.End(); iter++) {
 741                                         const ContentInfo *ci = *iter;
 742                                         if (ci->id != cid) continue;
 743
 744                                         p += seprintf(p, lastof(buf), p == buf ? "%s" : ", %s", (*iter)->name);
 745                                         break;
 746                                 }
 747                         }
 748                         SetDParamStr(0, buf);
 749                         y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_DEPENDENCIES);
 750                 }
 751
 752                 if (this->selected->tag_count != 0) {
 753                         /* List all tags */
 754                         char buf[DRAW_STRING_BUFFER] = "";
 755                         char *p = buf;
 756                         for (uint i = 0; i < this->selected->tag_count; i++) {
 757                                 p += seprintf(p, lastof(buf), i == 0 ? "%s" : ", %s", this->selected->tags[i]);
 758                         }
 759                         SetDParamStr(0, buf);
 760                         y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_TAGS);
 761                 }
 762
 763                 if (this->selected->IsSelected()) {
 764                         /* When selected show all manually selected content that depends on this */
 765                         ConstContentVector tree;
 766                         _network_content_client.ReverseLookupTreeDependency(tree, this->selected);
 767
 768                         char buf[DRAW_STRING_BUFFER] = "";
 769                         char *p = buf;
 770                         for (ConstContentIterator iter = tree.Begin(); iter != tree.End(); iter++) {
 771                                 const ContentInfo *ci = *iter;
 772                                 if (ci == this->selected || ci->state != ContentInfo::SELECTED) continue;
 773
 774                                 p += seprintf(p, lastof(buf), buf == p ? "%s" : ", %s", ci->name);
 775                         }
 776                         if (p != buf) {
 777                                 SetDParamStr(0, buf);
 778                                 y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_SELECTED_BECAUSE_OF);
 779                         }
 780                 }
 781         }
 782
 783         virtual void OnClick(Point pt, int widget, int click_count)
 784         {
 785                 if (widget >= WID_NCL_TEXTFILE && widget < WID_NCL_TEXTFILE + TFT_END) {
 786                         if (this->selected == NULL || this->selected->state != ContentInfo::ALREADY_HERE) return;
 787
 788                         ShowContentTextfileWindow((TextfileType)(widget - WID_NCL_TEXTFILE), this->selected);
 789                         return;
 790                 }
 791
 792                 switch (widget) {
 793                         case WID_NCL_MATRIX: {
 794                                 uint id_v = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_NCL_MATRIX);
 795                                 if (id_v >= this->content.Length()) return; // click out of bounds
 796
 797                                 this->selected = *this->content.Get(id_v);
 798                                 this->list_pos = id_v;
 799
 800                                 const NWidgetBase *checkbox = this->GetWidget<NWidgetBase>(WID_NCL_CHECKBOX);
 801                                 if (click_count > 1 || IsInsideBS(pt.x, checkbox->pos_x, checkbox->current_x)) {
 802                                         _network_content_client.ToggleSelectedState(this->selected);
 803                                         this->content.ForceResort();
 804                                 }
 805
 806                                 if (this->filter_data.types.any()) {
 807                                         this->content.ForceRebuild();
 808                                 }
 809
 810                                 this->InvalidateData();
 811                                 break;
 812                         }
 813
 814                         case WID_NCL_CHECKBOX:
 815                         case WID_NCL_TYPE:
 816                         case WID_NCL_NAME:
 817                                 if (this->content.SortType() == widget - WID_NCL_CHECKBOX) {
 818                                         this->content.ToggleSortOrder();
 819                                         if (this->content.Length() > 0) this->list_pos = this->content.Length() - this->list_pos - 1;
 820                                 } else {
 821                                         this->content.SetSortType(widget - WID_NCL_CHECKBOX);
 822                                         this->content.ForceResort();
 823                                         this->SortContentList();
 824                                 }
 825                                 this->ScrollToSelected();
 826                                 this->InvalidateData();
 827                                 break;
 828
 829                         case WID_NCL_SELECT_ALL:
 830                                 _network_content_client.SelectAll();
 831                                 this->InvalidateData();
 832                                 break;
 833
 834                         case WID_NCL_SELECT_UPDATE:
 835                                 _network_content_client.SelectUpgrade();
 836                                 this->InvalidateData();
 837                                 break;
 838
 839                         case WID_NCL_UNSELECT:
 840                                 _network_content_client.UnselectAll();
 841                                 this->InvalidateData();
 842                                 break;
 843
 844                         case WID_NCL_CANCEL:
 845                                 delete this;
 846                                 break;
 847
 848                         case WID_NCL_OPEN_URL:
 849                                 if (this->selected != NULL) {
 850                                         extern void OpenBrowser(const char *url);
 851                                         OpenBrowser(this->selected->url);
 852                                 }
 853                                 break;
 854
 855                         case WID_NCL_DOWNLOAD:
 856                                 if (BringWindowToFrontById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_CONTENT_DOWNLOAD) == NULL) new NetworkContentDownloadStatusWindow();
 857                                 break;
 858
 859                         case WID_NCL_SEARCH_EXTERNAL:
 860                                 if (_accepted_external_search) {
 861                                         this->OpenExternalSearch();
 862                                 } else {
 863                                         ShowQuery(STR_CONTENT_SEARCH_EXTERNAL_DISCLAIMER_CAPTION, STR_CONTENT_SEARCH_EXTERNAL_DISCLAIMER, this, ExternalSearchDisclaimerCallback);
 864                                 }
 865                                 break;
 866                 }
 867         }
 868
 869         virtual EventState OnKeyPress(WChar key, uint16 keycode)
 870         {
 871                 switch (keycode) {
 872                         case WKC_UP:
 873                                 /* scroll up by one */
 874                                 if (this->list_pos > 0) this->list_pos--;
 875                                 break;
 876                         case WKC_DOWN:
 877                                 /* scroll down by one */
 878                                 if (this->list_pos < (int)this->content.Length() - 1) this->list_pos++;
 879                                 break;
 880                         case WKC_PAGEUP:
 881                                 /* scroll up a page */
 882                                 this->list_pos = (this->list_pos < this->vscroll->GetCapacity()) ? 0 : this->list_pos - this->vscroll->GetCapacity();
 883                                 break;
 884                         case WKC_PAGEDOWN:
 885                                 /* scroll down a page */
 886                                 this->list_pos = min(this->list_pos + this->vscroll->GetCapacity(), (int)this->content.Length() - 1);
 887                                 break;
 888                         case WKC_HOME:
 889                                 /* jump to beginning */
 890                                 this->list_pos = 0;
 891                                 break;
 892                         case WKC_END:
 893                                 /* jump to end */
 894                                 this->list_pos = this->content.Length() - 1;
 895                                 break;
 896
 897                         case WKC_SPACE:
 898                         case WKC_RETURN:
 899                                 if (keycode == WKC_RETURN || !IsWidgetFocused(WID_NCL_FILTER)) {
 900                                         if (this->selected != NULL) {
 901                                                 _network_content_client.ToggleSelectedState(this->selected);
 902                                                 this->content.ForceResort();
 903                                                 this->InvalidateData();
 904                                         }
 905                                         if (this->filter_data.types.any()) {
 906                                                 this->content.ForceRebuild();
 907                                                 this->InvalidateData();
 908                                         }
 909                                         return ES_HANDLED;
 910                                 }
 911                                 /* space is pressed and filter is focused. */
 912                                 FALLTHROUGH;
 913
 914                         default:
 915                                 return ES_NOT_HANDLED;
 916                 }
 917
 918                 if (this->content.Length() == 0) {
 919                         this->list_pos = 0; // above stuff may result in "-1".
 920                         if (this->UpdateFilterState()) {
 921                                 this->content.ForceRebuild();
 922                                 this->InvalidateData();
 923                         }
 924                         return ES_HANDLED;
 925                 }
 926
 927                 this->selected = *this->content.Get(this->list_pos);
 928
 929                 if (this->UpdateFilterState()) {
 930                         this->content.ForceRebuild();
 931                 } else {
 932                         /* Scroll to the new content if it is outside the current range. */
 933                         this->ScrollToSelected();
 934                 }
 935
 936                 /* redraw window */
 937                 this->InvalidateData();
 938                 return ES_HANDLED;
 939         }
 940
 941         virtual void OnEditboxChanged(int wid)
 942         {
 943                 if (wid == WID_NCL_FILTER) {
 944                         this->filter_data.string_filter.SetFilterTerm(this->filter_editbox.text.buf);
 945                         this->UpdateFilterState();
 946                         this->content.ForceRebuild();
 947                         this->InvalidateData();
 948                 }
 949         }
 950
 951         virtual void OnResize()
 952         {
 953                 this->vscroll->SetCapacityFromWidget(this, WID_NCL_MATRIX);
 954         }
 955
 956         virtual void OnReceiveContentInfo(const ContentInfo *rci)
 957         {
 958                 if (this->auto_select && !rci->IsSelected()) _network_content_client.ToggleSelectedState(rci);
 959                 this->content.ForceRebuild();
 960                 this->InvalidateData();
 961         }
 962
 963         virtual void OnDownloadComplete(ContentID cid)
 964         {
 965                 this->content.ForceResort();
 966                 this->InvalidateData();
 967         }
 968
 969         virtual void OnConnect(bool success)
 970         {
 971                 if (!success) {
 972                         ShowErrorMessage(STR_CONTENT_ERROR_COULD_NOT_CONNECT, INVALID_STRING_ID, WL_ERROR);
 973                         delete this;
 974                         return;
 975                 }
 976
 977                 this->InvalidateData();
 978         }
 979
 980         /**
 981          * Some data on this window has become invalid.
 982          * @param data Information about the changed data.
 983          * @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.
 984          */
 985         virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
 986         {
 987                 if (!gui_scope) return;
 988                 if (this->content.NeedRebuild()) this->BuildContentList();
 989
 990                 /* To sum all the bytes we intend to download */
 991                 this->filesize_sum = 0;
 992                 bool show_select_all = false;
 993                 bool show_select_upgrade = false;
 994                 for (ConstContentIterator iter = this->content.Begin(); iter != this->content.End(); iter++) {
 995                         const ContentInfo *ci = *iter;
 996                         switch (ci->state) {
 997                                 case ContentInfo::SELECTED:
 998                                 case ContentInfo::AUTOSELECTED:
 999                                         this->filesize_sum += ci->filesize;
1000                                         break;
1001
1002                                 case ContentInfo::UNSELECTED:
1003                                         show_select_all = true;
1004                                         show_select_upgrade |= ci->upgrade;
1005                                         break;
1006
1007                                 default:
1008                                         break;
1009                         }
1010                 }
1011
1012                 /* If data == 2 then the status window caused this OnInvalidate */
1013                 this->SetWidgetDisabledState(WID_NCL_DOWNLOAD, this->filesize_sum == 0 || (FindWindowById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_CONTENT_DOWNLOAD) != NULL && data != 2));
1014                 this->SetWidgetDisabledState(WID_NCL_UNSELECT, this->filesize_sum == 0);
1015                 this->SetWidgetDisabledState(WID_NCL_SELECT_ALL, !show_select_all);
1016                 this->SetWidgetDisabledState(WID_NCL_SELECT_UPDATE, !show_select_upgrade);
1017                 this->SetWidgetDisabledState(WID_NCL_OPEN_URL, this->selected == NULL || StrEmpty(this->selected->url));
1018                 for (TextfileType tft = TFT_BEGIN; tft < TFT_END; tft++) {
1019                         this->SetWidgetDisabledState(WID_NCL_TEXTFILE + tft, this->selected == NULL || this->selected->state != ContentInfo::ALREADY_HERE || this->selected->GetTextfile(tft) == NULL);
1020                 }
1021
1022                 this->GetWidget<NWidgetCore>(WID_NCL_CANCEL)->widget_data = this->filesize_sum == 0 ? STR_AI_SETTINGS_CLOSE : STR_AI_LIST_CANCEL;
1023         }
1024 };
1025
1026 Listing NetworkContentListWindow::last_sorting = {false, 1};
1027 Filtering NetworkContentListWindow::last_filtering = {false, 0};
1028
1029 NetworkContentListWindow::GUIContentList::SortFunction * const NetworkContentListWindow::sorter_funcs[] = {
1030         &StateSorter,
1031         &TypeSorter,
1032         &NameSorter,
1033 };
1034
1035 NetworkContentListWindow::GUIContentList::FilterFunction * const NetworkContentListWindow::filter_funcs[] = {
1036         &TagNameFilter,
1037         &TypeOrSelectedFilter,
1038 };
1039
1040 char NetworkContentListWindow::content_type_strs[CONTENT_TYPE_END][64];
1041
1042 /**
1043  * Build array of all strings corresponding to the content types.
1044  */
1045 void BuildContentTypeStringList()
1046 {
1047         for (int i = CONTENT_TYPE_BEGIN; i < CONTENT_TYPE_END; i++) {
1048                 GetString(NetworkContentListWindow::content_type_strs[i], STR_CONTENT_TYPE_BASE_GRAPHICS + i - CONTENT_TYPE_BASE_GRAPHICS, lastof(NetworkContentListWindow::content_type_strs[i]));
1049         }
1050 }
1051
1052 /** The widgets for the content list. */
1053 static const NWidgetPart _nested_network_content_list_widgets[] = {
1054         NWidget(NWID_HORIZONTAL),
1055                 NWidget(WWT_CLOSEBOX, COLOUR_LIGHT_BLUE),
1056                 NWidget(WWT_CAPTION, COLOUR_LIGHT_BLUE), SetDataTip(STR_CONTENT_TITLE, STR_NULL),
1057                 NWidget(WWT_DEFSIZEBOX, COLOUR_LIGHT_BLUE),
1058         EndContainer(),
1059         NWidget(WWT_PANEL, COLOUR_LIGHT_BLUE, WID_NCL_BACKGROUND),
1060                 NWidget(NWID_SPACER), SetMinimalSize(0, 7), SetResize(1, 0),
1061                 NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(8, 8, 8),
1062                         /* Top */
1063                         NWidget(WWT_EMPTY, COLOUR_LIGHT_BLUE, WID_NCL_FILTER_CAPT), SetFill(1, 0), SetResize(1, 0),
1064                         NWidget(WWT_EDITBOX, COLOUR_LIGHT_BLUE, WID_NCL_FILTER), SetFill(1, 0), SetResize(1, 0),
1065                                                 SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
1066                 EndContainer(),
1067                 NWidget(NWID_SPACER), SetMinimalSize(0, 7), SetResize(1, 0),
1068                 NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(8, 8, 8),
1069                         /* Left side. */
1070                         NWidget(NWID_VERTICAL), SetPIP(0, 4, 0),
1071                                 NWidget(NWID_HORIZONTAL),
1072                                         NWidget(NWID_VERTICAL),
1073                                                 NWidget(NWID_HORIZONTAL),
1074                                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_CHECKBOX), SetMinimalSize(13, 1), SetDataTip(STR_EMPTY, STR_NULL),
1075                                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_TYPE),
1076                                                                                         SetDataTip(STR_CONTENT_TYPE_CAPTION, STR_CONTENT_TYPE_CAPTION_TOOLTIP),
1077                                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_NAME), SetResize(1, 0), SetFill(1, 0),
1078                                                                                         SetDataTip(STR_CONTENT_NAME_CAPTION, STR_CONTENT_NAME_CAPTION_TOOLTIP),
1079                                                 EndContainer(),
1080                                                 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),
1081                                         EndContainer(),
1082                                         NWidget(NWID_VSCROLLBAR, COLOUR_LIGHT_BLUE, WID_NCL_SCROLLBAR),
1083                                 EndContainer(),
1084                                 NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, 8, 0),
1085                                         NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NCL_SEL_ALL_UPDATE), SetResize(1, 0), SetFill(1, 0),
1086                                                 NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_SELECT_UPDATE), SetResize(1, 0), SetFill(1, 0),
1087                                                                                                 SetDataTip(STR_CONTENT_SELECT_UPDATES_CAPTION, STR_CONTENT_SELECT_UPDATES_CAPTION_TOOLTIP),
1088                                                 NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_SELECT_ALL), SetResize(1, 0), SetFill(1, 0),
1089                                                                                                 SetDataTip(STR_CONTENT_SELECT_ALL_CAPTION, STR_CONTENT_SELECT_ALL_CAPTION_TOOLTIP),
1090                                         EndContainer(),
1091                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_UNSELECT), SetResize(1, 0), SetFill(1, 0),
1092                                                                                                 SetDataTip(STR_CONTENT_UNSELECT_ALL_CAPTION, STR_CONTENT_UNSELECT_ALL_CAPTION_TOOLTIP),
1093                                 EndContainer(),
1094                         EndContainer(),
1095                         /* Right side. */
1096                         NWidget(NWID_VERTICAL), SetPIP(0, 4, 0),
1097                                 NWidget(WWT_PANEL, COLOUR_LIGHT_BLUE, WID_NCL_DETAILS), SetResize(1, 1), SetFill(1, 1), EndContainer(),
1098                                 NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, 8, 0),
1099                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
1100                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
1101                                 EndContainer(),
1102                                 NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, 8, 0),
1103                                         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),
1104                                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
1105                                 EndContainer(),
1106                         EndContainer(),
1107                 EndContainer(),
1108                 NWidget(NWID_SPACER), SetMinimalSize(0, 7), SetResize(1, 0),
1109                 /* Bottom. */
1110                 NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(8, 8, 8),
1111                         NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_SEARCH_EXTERNAL), SetResize(1, 0), SetFill(1, 0),
1112                                                                                 SetDataTip(STR_CONTENT_SEARCH_EXTERNAL, STR_CONTENT_SEARCH_EXTERNAL_TOOLTIP),
1113                         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(0, 8, 0),
1114                                 NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_CANCEL), SetResize(1, 0), SetFill(1, 0),
1115                                                                                         SetDataTip(STR_BUTTON_CANCEL, STR_NULL),
1116                                 NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NCL_DOWNLOAD), SetResize(1, 0), SetFill(1, 0),
1117                                                                                         SetDataTip(STR_CONTENT_DOWNLOAD_CAPTION, STR_CONTENT_DOWNLOAD_CAPTION_TOOLTIP),
1118                         EndContainer(),
1119                 EndContainer(),
1120                 NWidget(NWID_SPACER), SetMinimalSize(0, 2), SetResize(1, 0),
1121                 /* Resize button. */
1122                 NWidget(NWID_HORIZONTAL),
1123                         NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
1124                         NWidget(WWT_RESIZEBOX, COLOUR_LIGHT_BLUE),
1125                 EndContainer(),
1126         EndContainer(),
1127 };
1128
1129 /** Window description of the content list */
1130 static WindowDesc _network_content_list_desc(
1131         WDP_CENTER, "list_content", 630, 460,
1132         WC_NETWORK_WINDOW, WC_NONE,
1133         0,
1134         _nested_network_content_list_widgets, lengthof(_nested_network_content_list_widgets)
1135 );
1136
1137 /**
1138  * Show the content list window with a given set of content
1139  * @param cv the content to show, or NULL when it has to search for itself
1140  * @param type1 the first type to (only) show or #CONTENT_TYPE_END to show all.
1141  * @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.
1142  *   If type2 != #CONTENT_TYPE_END, then type1 != type2 must be true.
1143  */
1144 void ShowNetworkContentListWindow(ContentVector *cv, ContentType type1, ContentType type2)
1145 {
1146 #if defined(WITH_ZLIB)
1147         std::bitset<CONTENT_TYPE_END> types;
1148         _network_content_client.Clear();
1149         if (cv == NULL) {
1150                 assert(type1 != CONTENT_TYPE_END || type2 == CONTENT_TYPE_END);
1151                 assert(type1 == CONTENT_TYPE_END || type1 != type2);
1152                 _network_content_client.RequestContentList(type1);
1153                 if (type2 != CONTENT_TYPE_END) _network_content_client.RequestContentList(type2);
1154
1155                 if (type1 != CONTENT_TYPE_END) types[type1] = true;
1156                 if (type2 != CONTENT_TYPE_END) types[type2] = true;
1157         } else {
1158                 _network_content_client.RequestContentList(cv, true);
1159         }
1160
1161         DeleteWindowById(WC_NETWORK_WINDOW, WN_NETWORK_WINDOW_CONTENT_LIST);
1162         new NetworkContentListWindow(&_network_content_list_desc, cv != NULL, types);
1163 #else
1164         ShowErrorMessage(STR_CONTENT_NO_ZLIB, STR_CONTENT_NO_ZLIB_SUB, WL_ERROR);
1165         /* Connection failed... clean up the mess */
1166         if (cv != NULL) {
1167                 for (ContentIterator iter = cv->Begin(); iter != cv->End(); iter++) delete *iter;
1168         }
1169 #endif /* WITH_ZLIB */
1170 }
1171
1172 #endif /* ENABLE_NETWORK */