src/main_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 main_gui.cpp Handling of the main viewport. */
   9
  10 #include "stdafx.h"
  11 #include "currency.h"
  12 #include "spritecache.h"
  13 #include "window_gui.h"
  14 #include "window_func.h"
  15 #include "textbuf_gui.h"
  16 #include "viewport_func.h"
  17 #include "command_func.h"
  18 #include "console_gui.h"
  19 #include "progress.h"
  20 #include "transparency_gui.h"
  21 #include "map_func.h"
  22 #include "sound_func.h"
  23 #include "transparency.h"
  24 #include "strings_func.h"
  25 #include "zoom_func.h"
  26 #include "company_base.h"
  27 #include "company_func.h"
  28 #include "toolbar_gui.h"
  29 #include "statusbar_gui.h"
  30 #include "linkgraph/linkgraph_gui.h"
  31 #include "tilehighlight_func.h"
  32 #include "hotkeys.h"
  33 #include "guitimer_func.h"
  34 #include "error.h"
  35 #include "news_gui.h"
  36
  37 #include "saveload/saveload.h"
  38
  39 #include "widgets/main_widget.h"
  40
  41 #include "network/network.h"
  42 #include "network/network_func.h"
  43 #include "network/network_gui.h"
  44 #include "network/network_base.h"
  45
  46 #include "table/sprites.h"
  47 #include "table/strings.h"
  48
  49 #include "safeguards.h"
  50
  51 /**
  52  * This code is shared for the majority of the pushbuttons.
  53  * Handles e.g. the pressing of a button (to build things), playing of click sound and sets certain parameters
  54  *
  55  * @param w Window which called the function
  56  * @param widget ID of the widget (=button) that called this function
  57  * @param cursor How should the cursor image change? E.g. cursor with depot image in it
  58  * @param mode Tile highlighting mode, e.g. drawing a rectangle or a dot on the ground
  59  * @return true if the button is clicked, false if it's unclicked
  60  */
  61 bool HandlePlacePushButton(Window *w, int widget, CursorID cursor, HighLightStyle mode)
  62 {
  63         if (w->IsWidgetDisabled(widget)) return false;
  64
  65         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
  66         w->SetDirty();
  67
  68         if (w->IsWidgetLowered(widget)) {
  69                 ResetObjectToPlace();
  70                 return false;
  71         }
  72
  73         SetObjectToPlace(cursor, PAL_NONE, mode, w->window_class, w->window_number);
  74         w->LowerWidget(widget);
  75         return true;
  76 }
  77
  78
  79 void CcPlaySound_EXPLOSION(const CommandCost &result, Commands cmd, TileIndex tile, uint32 p1, uint32 p2, const std::string &text)
  80 {
  81         if (result.Succeeded() && _settings_client.sound.confirm) SndPlayTileFx(SND_12_EXPLOSION, tile);
  82 }
  83
  84 /**
  85  * Zooms a viewport in a window in or out.
  86  * @param how Zooming direction.
  87  * @param w   Window owning the viewport.
  88  * @return Returns \c true if zooming step could be done, \c false if further zooming is not possible.
  89  * @note No button handling or what so ever is done.
  90  */
  91 bool DoZoomInOutWindow(ZoomStateChange how, Window *w)
  92 {
  93         Viewport *vp;
  94
  95         assert(w != nullptr);
  96         vp = w->viewport;
  97
  98         switch (how) {
  99                 case ZOOM_NONE:
 100                         /* On initialisation of the viewport we don't do anything. */
 101                         break;
 102
 103                 case ZOOM_IN:
 104                         if (vp->zoom <= _settings_client.gui.zoom_min) return false;
 105                         vp->zoom = (ZoomLevel)((int)vp->zoom - 1);
 106                         vp->virtual_width >>= 1;
 107                         vp->virtual_height >>= 1;
 108
 109                         w->viewport->scrollpos_x += vp->virtual_width >> 1;
 110                         w->viewport->scrollpos_y += vp->virtual_height >> 1;
 111                         w->viewport->dest_scrollpos_x = w->viewport->scrollpos_x;
 112                         w->viewport->dest_scrollpos_y = w->viewport->scrollpos_y;
 113                         w->viewport->follow_vehicle = INVALID_VEHICLE;
 114                         break;
 115                 case ZOOM_OUT:
 116                         if (vp->zoom >= _settings_client.gui.zoom_max) return false;
 117                         vp->zoom = (ZoomLevel)((int)vp->zoom + 1);
 118
 119                         w->viewport->scrollpos_x -= vp->virtual_width >> 1;
 120                         w->viewport->scrollpos_y -= vp->virtual_height >> 1;
 121                         w->viewport->dest_scrollpos_x = w->viewport->scrollpos_x;
 122                         w->viewport->dest_scrollpos_y = w->viewport->scrollpos_y;
 123
 124                         vp->virtual_width <<= 1;
 125                         vp->virtual_height <<= 1;
 126                         w->viewport->follow_vehicle = INVALID_VEHICLE;
 127                         break;
 128         }
 129         if (vp != nullptr) { // the vp can be null when how == ZOOM_NONE
 130                 vp->virtual_left = w->viewport->scrollpos_x;
 131                 vp->virtual_top = w->viewport->scrollpos_y;
 132         }
 133         /* Update the windows that have zoom-buttons to perhaps disable their buttons */
 134         w->InvalidateData();
 135         return true;
 136 }
 137
 138 void ZoomInOrOutToCursorWindow(bool in, Window *w)
 139 {
 140         assert(w != nullptr);
 141
 142         if (_game_mode != GM_MENU) {
 143                 Viewport *vp = w->viewport;
 144                 if ((in && vp->zoom <= _settings_client.gui.zoom_min) || (!in && vp->zoom >= _settings_client.gui.zoom_max)) return;
 145
 146                 Point pt = GetTileZoomCenterWindow(in, w);
 147                 if (pt.x != -1) {
 148                         ScrollWindowTo(pt.x, pt.y, -1, w, true);
 149
 150                         DoZoomInOutWindow(in ? ZOOM_IN : ZOOM_OUT, w);
 151                 }
 152         }
 153 }
 154
 155 void FixTitleGameZoom(int zoom_adjust)
 156 {
 157         if (_game_mode != GM_MENU) return;
 158
 159         Viewport *vp = FindWindowByClass(WC_MAIN_WINDOW)->viewport;
 160
 161         /* Adjust the zoom in/out.
 162          * Can't simply add, since operator+ is not defined on the ZoomLevel type. */
 163         vp->zoom = _gui_zoom;
 164         while (zoom_adjust < 0 && vp->zoom != _settings_client.gui.zoom_min) {
 165                 vp->zoom--;
 166                 zoom_adjust++;
 167         }
 168         while (zoom_adjust > 0 && vp->zoom != _settings_client.gui.zoom_max) {
 169                 vp->zoom++;
 170                 zoom_adjust--;
 171         }
 172
 173         vp->virtual_width = ScaleByZoom(vp->width, vp->zoom);
 174         vp->virtual_height = ScaleByZoom(vp->height, vp->zoom);
 175 }
 176
 177 static const struct NWidgetPart _nested_main_window_widgets[] = {
 178         NWidget(NWID_VIEWPORT, INVALID_COLOUR, WID_M_VIEWPORT), SetResize(1, 1),
 179 };
 180
 181 enum {
 182         GHK_QUIT,
 183         GHK_ABANDON,
 184         GHK_CONSOLE,
 185         GHK_BOUNDING_BOXES,
 186         GHK_DIRTY_BLOCKS,
 187         GHK_CENTER,
 188         GHK_CENTER_ZOOM,
 189         GHK_RESET_OBJECT_TO_PLACE,
 190         GHK_DELETE_WINDOWS,
 191         GHK_DELETE_NONVITAL_WINDOWS,
 192         GHK_DELETE_ALL_MESSAGES,
 193         GHK_REFRESH_SCREEN,
 194         GHK_CRASH,
 195         GHK_MONEY,
 196         GHK_UPDATE_COORDS,
 197         GHK_TOGGLE_TRANSPARENCY,
 198         GHK_TOGGLE_INVISIBILITY = GHK_TOGGLE_TRANSPARENCY + 9,
 199         GHK_TRANSPARENCY_TOOLBAR = GHK_TOGGLE_INVISIBILITY + 8,
 200         GHK_TRANSPARANCY,
 201         GHK_CHAT,
 202         GHK_CHAT_ALL,
 203         GHK_CHAT_COMPANY,
 204         GHK_CHAT_SERVER,
 205         GHK_CLOSE_NEWS,
 206         GHK_CLOSE_ERROR,
 207 };
 208
 209 struct MainWindow : Window
 210 {
 211         GUITimer refresh;
 212
 213         /* Refresh times in milliseconds */
 214         static const uint LINKGRAPH_REFRESH_PERIOD = 7650;
 215         static const uint LINKGRAPH_DELAY = 450;
 216
 217         MainWindow(WindowDesc *desc) : Window(desc)
 218         {
 219                 this->InitNested(0);
 220                 CLRBITS(this->flags, WF_WHITE_BORDER);
 221                 ResizeWindow(this, _screen.width, _screen.height);
 222
 223                 NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WID_M_VIEWPORT);
 224                 nvp->InitializeViewport(this, TileXY(32, 32), ZOOM_LVL_VIEWPORT);
 225
 226                 this->viewport->overlay = new LinkGraphOverlay(this, WID_M_VIEWPORT, 0, 0, 3);
 227                 this->refresh.SetInterval(LINKGRAPH_DELAY);
 228         }
 229
 230         void OnRealtimeTick(uint delta_ms) override
 231         {
 232                 if (!this->refresh.Elapsed(delta_ms)) return;
 233
 234                 this->refresh.SetInterval(LINKGRAPH_REFRESH_PERIOD);
 235
 236                 if (this->viewport->overlay->GetCargoMask() == 0 ||
 237                                 this->viewport->overlay->GetCompanyMask() == 0) {
 238                         return;
 239                 }
 240
 241                 this->viewport->overlay->SetDirty();
 242                 this->GetWidget<NWidgetBase>(WID_M_VIEWPORT)->SetDirty(this);
 243         }
 244
 245         void OnPaint() override
 246         {
 247                 this->DrawWidgets();
 248                 if (_game_mode == GM_MENU) {
 249                         static const SpriteID title_sprites[] = {SPR_OTTD_O, SPR_OTTD_P, SPR_OTTD_E, SPR_OTTD_N, SPR_OTTD_T, SPR_OTTD_T, SPR_OTTD_D};
 250                         static const uint LETTER_SPACING = 10;
 251                         int name_width = (lengthof(title_sprites) - 1) * LETTER_SPACING;
 252
 253                         for (uint i = 0; i < lengthof(title_sprites); i++) {
 254                                 name_width += GetSpriteSize(title_sprites[i]).width;
 255                         }
 256                         int off_x = (this->width - name_width) / 2;
 257
 258                         for (uint i = 0; i < lengthof(title_sprites); i++) {
 259                                 DrawSprite(title_sprites[i], PAL_NONE, off_x, 50);
 260                                 off_x += GetSpriteSize(title_sprites[i]).width + LETTER_SPACING;
 261                         }
 262                 }
 263         }
 264
 265         EventState OnHotkey(int hotkey) override
 266         {
 267                 if (hotkey == GHK_QUIT) {
 268                         HandleExitGameRequest();
 269                         return ES_HANDLED;
 270                 }
 271
 272                 /* Disable all key shortcuts, except quit shortcuts when
 273                  * generating the world, otherwise they create threading
 274                  * problem during the generating, resulting in random
 275                  * assertions that are hard to trigger and debug */
 276                 if (HasModalProgress()) return ES_NOT_HANDLED;
 277
 278                 switch (hotkey) {
 279                         case GHK_ABANDON:
 280                                 /* No point returning from the main menu to itself */
 281                                 if (_game_mode == GM_MENU) return ES_HANDLED;
 282                                 if (_settings_client.gui.autosave_on_exit) {
 283                                         DoExitSave();
 284                                         _switch_mode = SM_MENU;
 285                                 } else {
 286                                         AskExitToGameMenu();
 287                                 }
 288                                 return ES_HANDLED;
 289
 290                         case GHK_CONSOLE:
 291                                 IConsoleSwitch();
 292                                 return ES_HANDLED;
 293
 294                         case GHK_BOUNDING_BOXES:
 295                                 ToggleBoundingBoxes();
 296                                 return ES_HANDLED;
 297
 298                         case GHK_DIRTY_BLOCKS:
 299                                 ToggleDirtyBlocks();
 300                                 return ES_HANDLED;
 301                 }
 302
 303                 if (_game_mode == GM_MENU) return ES_NOT_HANDLED;
 304
 305                 switch (hotkey) {
 306                         case GHK_CENTER:
 307                         case GHK_CENTER_ZOOM: {
 308                                 Point pt = GetTileBelowCursor();
 309                                 if (pt.x != -1) {
 310                                         bool instant = (hotkey == GHK_CENTER_ZOOM && this->viewport->zoom != _settings_client.gui.zoom_min);
 311                                         if (hotkey == GHK_CENTER_ZOOM) MaxZoomInOut(ZOOM_IN, this);
 312                                         ScrollMainWindowTo(pt.x, pt.y, -1, instant);
 313                                 }
 314                                 break;
 315                         }
 316
 317                         case GHK_RESET_OBJECT_TO_PLACE: ResetObjectToPlace(); break;
 318                         case GHK_DELETE_WINDOWS: CloseNonVitalWindows(); break;
 319                         case GHK_DELETE_NONVITAL_WINDOWS: CloseAllNonVitalWindows(); break;
 320                         case GHK_DELETE_ALL_MESSAGES: DeleteAllMessages(); break;
 321                         case GHK_REFRESH_SCREEN: MarkWholeScreenDirty(); break;
 322
 323                         case GHK_CRASH: // Crash the game
 324                                 *(volatile byte *)nullptr = 0;
 325                                 break;
 326
 327                         case GHK_MONEY: // Gimme money
 328                                 /* You can only cheat for money in singleplayer mode. */
 329                                 if (!_networking) DoCommandP(CMD_MONEY_CHEAT, 0, 10000000, 0);
 330                                 break;
 331
 332                         case GHK_UPDATE_COORDS: // Update the coordinates of all station signs
 333                                 UpdateAllVirtCoords();
 334                                 break;
 335
 336                         case GHK_TOGGLE_TRANSPARENCY:
 337                         case GHK_TOGGLE_TRANSPARENCY + 1:
 338                         case GHK_TOGGLE_TRANSPARENCY + 2:
 339                         case GHK_TOGGLE_TRANSPARENCY + 3:
 340                         case GHK_TOGGLE_TRANSPARENCY + 4:
 341                         case GHK_TOGGLE_TRANSPARENCY + 5:
 342                         case GHK_TOGGLE_TRANSPARENCY + 6:
 343                         case GHK_TOGGLE_TRANSPARENCY + 7:
 344                         case GHK_TOGGLE_TRANSPARENCY + 8:
 345                                 /* Transparency toggle hot keys */
 346                                 ToggleTransparency((TransparencyOption)(hotkey - GHK_TOGGLE_TRANSPARENCY));
 347                                 MarkWholeScreenDirty();
 348                                 break;
 349
 350                         case GHK_TOGGLE_INVISIBILITY:
 351                         case GHK_TOGGLE_INVISIBILITY + 1:
 352                         case GHK_TOGGLE_INVISIBILITY + 2:
 353                         case GHK_TOGGLE_INVISIBILITY + 3:
 354                         case GHK_TOGGLE_INVISIBILITY + 4:
 355                         case GHK_TOGGLE_INVISIBILITY + 5:
 356                         case GHK_TOGGLE_INVISIBILITY + 6:
 357                         case GHK_TOGGLE_INVISIBILITY + 7:
 358                                 /* Invisibility toggle hot keys */
 359                                 ToggleInvisibilityWithTransparency((TransparencyOption)(hotkey - GHK_TOGGLE_INVISIBILITY));
 360                                 MarkWholeScreenDirty();
 361                                 break;
 362
 363                         case GHK_TRANSPARENCY_TOOLBAR:
 364                                 ShowTransparencyToolbar();
 365                                 break;
 366
 367                         case GHK_TRANSPARANCY:
 368                                 ResetRestoreAllTransparency();
 369                                 break;
 370
 371                         case GHK_CHAT: // smart chat; send to team if any, otherwise to all
 372                                 if (_networking) {
 373                                         const NetworkClientInfo *cio = NetworkClientInfo::GetByClientID(_network_own_client_id);
 374                                         if (cio == nullptr) break;
 375
 376                                         ShowNetworkChatQueryWindow(NetworkClientPreferTeamChat(cio) ? DESTTYPE_TEAM : DESTTYPE_BROADCAST, cio->client_playas);
 377                                 }
 378                                 break;
 379
 380                         case GHK_CHAT_ALL: // send text message to all clients
 381                                 if (_networking) ShowNetworkChatQueryWindow(DESTTYPE_BROADCAST, 0);
 382                                 break;
 383
 384                         case GHK_CHAT_COMPANY: // send text to all team mates
 385                                 if (_networking) {
 386                                         const NetworkClientInfo *cio = NetworkClientInfo::GetByClientID(_network_own_client_id);
 387                                         if (cio == nullptr) break;
 388
 389                                         ShowNetworkChatQueryWindow(DESTTYPE_TEAM, cio->client_playas);
 390                                 }
 391                                 break;
 392
 393                         case GHK_CHAT_SERVER: // send text to the server
 394                                 if (_networking && !_network_server) {
 395                                         ShowNetworkChatQueryWindow(DESTTYPE_CLIENT, CLIENT_ID_SERVER);
 396                                 }
 397                                 break;
 398
 399                         case GHK_CLOSE_NEWS: // close active news window
 400                                 if (!HideActiveNewsMessage()) return ES_NOT_HANDLED;
 401                                 break;
 402
 403                         case GHK_CLOSE_ERROR: // close active error window
 404                                 if (!HideActiveErrorMessage()) return ES_NOT_HANDLED;
 405                                 break;
 406
 407                         default: return ES_NOT_HANDLED;
 408                 }
 409                 return ES_HANDLED;
 410         }
 411
 412         void OnScroll(Point delta) override
 413         {
 414                 this->viewport->scrollpos_x += ScaleByZoom(delta.x, this->viewport->zoom);
 415                 this->viewport->scrollpos_y += ScaleByZoom(delta.y, this->viewport->zoom);
 416                 this->viewport->dest_scrollpos_x = this->viewport->scrollpos_x;
 417                 this->viewport->dest_scrollpos_y = this->viewport->scrollpos_y;
 418                 this->refresh.SetInterval(LINKGRAPH_DELAY);
 419         }
 420
 421         void OnMouseWheel(int wheel) override
 422         {
 423                 if (_settings_client.gui.scrollwheel_scrolling != 2) {
 424                         ZoomInOrOutToCursorWindow(wheel < 0, this);
 425                 }
 426         }
 427
 428         void OnResize() override
 429         {
 430                 if (this->viewport != nullptr) {
 431                         NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WID_M_VIEWPORT);
 432                         nvp->UpdateViewportCoordinates(this);
 433                         this->refresh.SetInterval(LINKGRAPH_DELAY);
 434                 }
 435         }
 436
 437         /**
 438          * Some data on this window has become invalid.
 439          * @param data Information about the changed data.
 440          * @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.
 441          */
 442         void OnInvalidateData(int data = 0, bool gui_scope = true) override
 443         {
 444                 if (!gui_scope) return;
 445                 /* Forward the message to the appropriate toolbar (ingame or scenario editor) */
 446                 InvalidateWindowData(WC_MAIN_TOOLBAR, 0, data, true);
 447         }
 448
 449         static HotkeyList hotkeys;
 450 };
 451
 452 const uint16 _ghk_quit_keys[] = {'Q' | WKC_CTRL, 'Q' | WKC_META, 0};
 453 const uint16 _ghk_abandon_keys[] = {'W' | WKC_CTRL, 'W' | WKC_META, 0};
 454 const uint16 _ghk_chat_keys[] = {WKC_RETURN, 'T', 0};
 455 const uint16 _ghk_chat_all_keys[] = {WKC_SHIFT | WKC_RETURN, WKC_SHIFT | 'T', 0};
 456 const uint16 _ghk_chat_company_keys[] = {WKC_CTRL | WKC_RETURN, WKC_CTRL | 'T', 0};
 457 const uint16 _ghk_chat_server_keys[] = {WKC_CTRL | WKC_SHIFT | WKC_RETURN, WKC_CTRL | WKC_SHIFT | 'T', 0};
 458
 459 static Hotkey global_hotkeys[] = {
 460         Hotkey(_ghk_quit_keys, "quit", GHK_QUIT),
 461         Hotkey(_ghk_abandon_keys, "abandon", GHK_ABANDON),
 462         Hotkey(WKC_BACKQUOTE, "console", GHK_CONSOLE),
 463         Hotkey('B' | WKC_CTRL, "bounding_boxes", GHK_BOUNDING_BOXES),
 464         Hotkey('I' | WKC_CTRL, "dirty_blocks", GHK_DIRTY_BLOCKS),
 465         Hotkey('C', "center", GHK_CENTER),
 466         Hotkey('Z', "center_zoom", GHK_CENTER_ZOOM),
 467         Hotkey(WKC_ESC, "reset_object_to_place", GHK_RESET_OBJECT_TO_PLACE),
 468         Hotkey(WKC_DELETE, "delete_windows", GHK_DELETE_WINDOWS),
 469         Hotkey(WKC_DELETE | WKC_SHIFT, "delete_all_windows", GHK_DELETE_NONVITAL_WINDOWS),
 470         Hotkey(WKC_DELETE | WKC_CTRL, "delete_all_messages", GHK_DELETE_ALL_MESSAGES),
 471         Hotkey('R' | WKC_CTRL, "refresh_screen", GHK_REFRESH_SCREEN),
 472 #if defined(_DEBUG)
 473         Hotkey('0' | WKC_ALT, "crash_game", GHK_CRASH),
 474         Hotkey('1' | WKC_ALT, "money", GHK_MONEY),
 475         Hotkey('2' | WKC_ALT, "update_coordinates", GHK_UPDATE_COORDS),
 476 #endif
 477         Hotkey('1' | WKC_CTRL, "transparency_signs", GHK_TOGGLE_TRANSPARENCY),
 478         Hotkey('2' | WKC_CTRL, "transparency_trees", GHK_TOGGLE_TRANSPARENCY + 1),
 479         Hotkey('3' | WKC_CTRL, "transparency_houses", GHK_TOGGLE_TRANSPARENCY + 2),
 480         Hotkey('4' | WKC_CTRL, "transparency_industries", GHK_TOGGLE_TRANSPARENCY + 3),
 481         Hotkey('5' | WKC_CTRL, "transparency_buildings", GHK_TOGGLE_TRANSPARENCY + 4),
 482         Hotkey('6' | WKC_CTRL, "transparency_bridges", GHK_TOGGLE_TRANSPARENCY + 5),
 483         Hotkey('7' | WKC_CTRL, "transparency_structures", GHK_TOGGLE_TRANSPARENCY + 6),
 484         Hotkey('8' | WKC_CTRL, "transparency_catenary", GHK_TOGGLE_TRANSPARENCY + 7),
 485         Hotkey('9' | WKC_CTRL, "transparency_loading", GHK_TOGGLE_TRANSPARENCY + 8),
 486         Hotkey('1' | WKC_CTRL | WKC_SHIFT, "invisibility_signs", GHK_TOGGLE_INVISIBILITY),
 487         Hotkey('2' | WKC_CTRL | WKC_SHIFT, "invisibility_trees", GHK_TOGGLE_INVISIBILITY + 1),
 488         Hotkey('3' | WKC_CTRL | WKC_SHIFT, "invisibility_houses", GHK_TOGGLE_INVISIBILITY + 2),
 489         Hotkey('4' | WKC_CTRL | WKC_SHIFT, "invisibility_industries", GHK_TOGGLE_INVISIBILITY + 3),
 490         Hotkey('5' | WKC_CTRL | WKC_SHIFT, "invisibility_buildings", GHK_TOGGLE_INVISIBILITY + 4),
 491         Hotkey('6' | WKC_CTRL | WKC_SHIFT, "invisibility_bridges", GHK_TOGGLE_INVISIBILITY + 5),
 492         Hotkey('7' | WKC_CTRL | WKC_SHIFT, "invisibility_structures", GHK_TOGGLE_INVISIBILITY + 6),
 493         Hotkey('8' | WKC_CTRL | WKC_SHIFT, "invisibility_catenary", GHK_TOGGLE_INVISIBILITY + 7),
 494         Hotkey('X' | WKC_CTRL, "transparency_toolbar", GHK_TRANSPARENCY_TOOLBAR),
 495         Hotkey('X', "toggle_transparency", GHK_TRANSPARANCY),
 496         Hotkey(_ghk_chat_keys, "chat", GHK_CHAT),
 497         Hotkey(_ghk_chat_all_keys, "chat_all", GHK_CHAT_ALL),
 498         Hotkey(_ghk_chat_company_keys, "chat_company", GHK_CHAT_COMPANY),
 499         Hotkey(_ghk_chat_server_keys, "chat_server", GHK_CHAT_SERVER),
 500         Hotkey(WKC_SPACE, "close_news", GHK_CLOSE_NEWS),
 501         Hotkey(WKC_SPACE, "close_error", GHK_CLOSE_ERROR),
 502         HOTKEY_LIST_END
 503 };
 504 HotkeyList MainWindow::hotkeys("global", global_hotkeys);
 505
 506 static WindowDesc _main_window_desc(
 507         WDP_MANUAL, nullptr, 0, 0,
 508         WC_MAIN_WINDOW, WC_NONE,
 509         0,
 510         _nested_main_window_widgets, lengthof(_nested_main_window_widgets),
 511         &MainWindow::hotkeys
 512 );
 513
 514 /**
 515  * Does the given keycode match one of the keycodes bound to 'quit game'?
 516  * @param keycode The keycode that was pressed by the user.
 517  * @return True iff the keycode matches one of the hotkeys for 'quit'.
 518  */
 519 bool IsQuitKey(uint16 keycode)
 520 {
 521         int num = MainWindow::hotkeys.CheckMatch(keycode);
 522         return num == GHK_QUIT;
 523 }
 524
 525
 526 void ShowSelectGameWindow();
 527
 528 /**
 529  * Initialise the default colours (remaps and the likes), and load the main windows.
 530  */
 531 void SetupColoursAndInitialWindow()
 532 {
 533         for (uint i = 0; i != 16; i++) {
 534                 const byte *b = GetNonSprite(PALETTE_RECOLOUR_START + i, ST_RECOLOUR);
 535
 536                 assert(b);
 537                 memcpy(_colour_gradient[i], b + 0xC6, sizeof(_colour_gradient[i]));
 538         }
 539
 540         new MainWindow(&_main_window_desc);
 541
 542         /* XXX: these are not done */
 543         switch (_game_mode) {
 544                 default: NOT_REACHED();
 545                 case GM_MENU:
 546                         ShowSelectGameWindow();
 547                         break;
 548
 549                 case GM_NORMAL:
 550                 case GM_EDITOR:
 551                         ShowVitalWindows();
 552                         break;
 553         }
 554 }
 555
 556 /**
 557  * Show the vital in-game windows.
 558  */
 559 void ShowVitalWindows()
 560 {
 561         AllocateToolbar();
 562
 563         /* Status bad only for normal games */
 564         if (_game_mode == GM_EDITOR) return;
 565
 566         ShowStatusBar();
 567 }
 568
 569 /**
 570  * Size of the application screen changed.
 571  * Adapt the game screen-size, re-allocate the open windows, and repaint everything
 572  */
 573 void GameSizeChanged()
 574 {
 575         _cur_resolution.width  = _screen.width;
 576         _cur_resolution.height = _screen.height;
 577         ScreenSizeChanged();
 578         RelocateAllWindows(_screen.width, _screen.height);
 579         MarkWholeScreenDirty();
 580 }