src/main_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 main_gui.cpp Handling of the main viewport. */
  11
  12 #include "stdafx.h"
  13 #include "currency.h"
  14 #include "spritecache.h"
  15 #include "window_gui.h"
  16 #include "window_func.h"
  17 #include "textbuf_gui.h"
  18 #include "viewport_func.h"
  19 #include "command_func.h"
  20 #include "console_gui.h"
  21 #include "progress.h"
  22 #include "transparency_gui.h"
  23 #include "map_func.h"
  24 #include "sound_func.h"
  25 #include "transparency.h"
  26 #include "strings_func.h"
  27 #include "zoom_func.h"
  28 #include "company_base.h"
  29 #include "company_func.h"
  30 #include "toolbar_gui.h"
  31 #include "statusbar_gui.h"
  32 #include "linkgraph/linkgraph_gui.h"
  33 #include "tilehighlight_func.h"
  34 #include "hotkeys.h"
  35
  36 #include "saveload/saveload.h"
  37
  38 #include "widgets/main_widget.h"
  39
  40 #include "network/network.h"
  41 #include "network/network_func.h"
  42 #include "network/network_gui.h"
  43 #include "network/network_base.h"
  44
  45 #include "table/sprites.h"
  46 #include "table/strings.h"
  47
  48 #include "safeguards.h"
  49
  50 static int _rename_id = 1;
  51 static int _rename_what = -1;
  52
  53 void CcGiveMoney(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
  54 {
  55 #ifdef ENABLE_NETWORK
  56         if (result.Failed() || !_settings_game.economy.give_money) return;
  57
  58         /* Inform the company of the action of one of its clients (controllers). */
  59         char msg[64];
  60         SetDParam(0, p2);
  61         GetString(msg, STR_COMPANY_NAME, lastof(msg));
  62
  63         if (!_network_server) {
  64                 NetworkClientSendChat(NETWORK_ACTION_GIVE_MONEY, DESTTYPE_TEAM, p2, msg, p1);
  65         } else {
  66                 NetworkServerSendChat(NETWORK_ACTION_GIVE_MONEY, DESTTYPE_TEAM, p2, msg, CLIENT_ID_SERVER, p1);
  67         }
  68 #endif /* ENABLE_NETWORK */
  69 }
  70
  71 void HandleOnEditText(const char *str)
  72 {
  73         switch (_rename_what) {
  74 #ifdef ENABLE_NETWORK
  75         case 3: { // Give money, you can only give money in excess of loan
  76                 const Company *c = Company::GetIfValid(_local_company);
  77                 if (c == NULL) break;
  78                 Money money = min(c->money - c->current_loan, (Money)(atoi(str) / _currency->rate));
  79
  80                 uint32 money_c = Clamp(ClampToI32(money), 0, 20000000); // Clamp between 20 million and 0
  81
  82                 /* Give 'id' the money, and subtract it from ourself */
  83                 DoCommandP(0, money_c, _rename_id, CMD_GIVE_MONEY | CMD_MSG(STR_ERROR_INSUFFICIENT_FUNDS), CcGiveMoney, str);
  84                 break;
  85         }
  86 #endif /* ENABLE_NETWORK */
  87                 default: NOT_REACHED();
  88         }
  89
  90         _rename_id = _rename_what = -1;
  91 }
  92
  93 /**
  94  * This code is shared for the majority of the pushbuttons.
  95  * Handles e.g. the pressing of a button (to build things), playing of click sound and sets certain parameters
  96  *
  97  * @param w Window which called the function
  98  * @param widget ID of the widget (=button) that called this function
  99  * @param cursor How should the cursor image change? E.g. cursor with depot image in it
 100  * @param mode Tile highlighting mode, e.g. drawing a rectangle or a dot on the ground
 101  * @return true if the button is clicked, false if it's unclicked
 102  */
 103 bool HandlePlacePushButton(Window *w, int widget, CursorID cursor, HighLightStyle mode)
 104 {
 105         if (w->IsWidgetDisabled(widget)) return false;
 106
 107         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
 108         w->SetDirty();
 109
 110         if (w->IsWidgetLowered(widget)) {
 111                 ResetObjectToPlace();
 112                 return false;
 113         }
 114
 115         SetObjectToPlace(cursor, PAL_NONE, mode, w->window_class, w->window_number);
 116         w->LowerWidget(widget);
 117         return true;
 118 }
 119
 120
 121 void CcPlaySound_EXPLOSION(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
 122 {
 123         if (result.Succeeded() && _settings_client.sound.confirm) SndPlayTileFx(SND_12_EXPLOSION, tile);
 124 }
 125
 126 #ifdef ENABLE_NETWORK
 127 void ShowNetworkGiveMoneyWindow(CompanyID company)
 128 {
 129         _rename_id = company;
 130         _rename_what = 3;
 131         ShowQueryString(STR_EMPTY, STR_NETWORK_GIVE_MONEY_CAPTION, 30, NULL, CS_NUMERAL, QSF_NONE);
 132 }
 133 #endif /* ENABLE_NETWORK */
 134
 135
 136 /**
 137  * Zooms a viewport in a window in or out.
 138  * @param how Zooming direction.
 139  * @param w   Window owning the viewport.
 140  * @return Returns \c true if zooming step could be done, \c false if further zooming is not possible.
 141  * @note No button handling or what so ever is done.
 142  */
 143 bool DoZoomInOutWindow(ZoomStateChange how, Window *w)
 144 {
 145         ViewPort *vp;
 146
 147         assert(w != NULL);
 148         vp = w->viewport;
 149
 150         switch (how) {
 151                 case ZOOM_NONE:
 152                         /* On initialisation of the viewport we don't do anything. */
 153                         break;
 154
 155                 case ZOOM_IN:
 156                         if (vp->zoom <= _settings_client.gui.zoom_min) return false;
 157                         vp->zoom = (ZoomLevel)((int)vp->zoom - 1);
 158                         vp->virtual_width >>= 1;
 159                         vp->virtual_height >>= 1;
 160
 161                         w->viewport->scrollpos_x += vp->virtual_width >> 1;
 162                         w->viewport->scrollpos_y += vp->virtual_height >> 1;
 163                         w->viewport->dest_scrollpos_x = w->viewport->scrollpos_x;
 164                         w->viewport->dest_scrollpos_y = w->viewport->scrollpos_y;
 165                         w->viewport->follow_vehicle = INVALID_VEHICLE;
 166                         break;
 167                 case ZOOM_OUT:
 168                         if (vp->zoom >= _settings_client.gui.zoom_max) return false;
 169                         vp->zoom = (ZoomLevel)((int)vp->zoom + 1);
 170
 171                         w->viewport->scrollpos_x -= vp->virtual_width >> 1;
 172                         w->viewport->scrollpos_y -= vp->virtual_height >> 1;
 173                         w->viewport->dest_scrollpos_x = w->viewport->scrollpos_x;
 174                         w->viewport->dest_scrollpos_y = w->viewport->scrollpos_y;
 175
 176                         vp->virtual_width <<= 1;
 177                         vp->virtual_height <<= 1;
 178                         w->viewport->follow_vehicle = INVALID_VEHICLE;
 179                         break;
 180         }
 181         if (vp != NULL) { // the vp can be null when how == ZOOM_NONE
 182                 vp->virtual_left = w->viewport->scrollpos_x;
 183                 vp->virtual_top = w->viewport->scrollpos_y;
 184         }
 185         /* Update the windows that have zoom-buttons to perhaps disable their buttons */
 186         w->InvalidateData();
 187         return true;
 188 }
 189
 190 void ZoomInOrOutToCursorWindow(bool in, Window *w)
 191 {
 192         assert(w != NULL);
 193
 194         if (_game_mode != GM_MENU) {
 195                 ViewPort *vp = w->viewport;
 196                 if ((in && vp->zoom <= _settings_client.gui.zoom_min) || (!in && vp->zoom >= _settings_client.gui.zoom_max)) return;
 197
 198                 Point pt = GetTileZoomCenterWindow(in, w);
 199                 if (pt.x != -1) {
 200                         ScrollWindowTo(pt.x, pt.y, -1, w, true);
 201
 202                         DoZoomInOutWindow(in ? ZOOM_IN : ZOOM_OUT, w);
 203                 }
 204         }
 205 }
 206
 207 static const struct NWidgetPart _nested_main_window_widgets[] = {
 208         NWidget(NWID_VIEWPORT, INVALID_COLOUR, WID_M_VIEWPORT), SetResize(1, 1),
 209 };
 210
 211 enum {
 212         GHK_QUIT,
 213         GHK_ABANDON,
 214         GHK_CONSOLE,
 215         GHK_BOUNDING_BOXES,
 216         GHK_DIRTY_BLOCKS,
 217         GHK_CENTER,
 218         GHK_CENTER_ZOOM,
 219         GHK_RESET_OBJECT_TO_PLACE,
 220         GHK_DELETE_WINDOWS,
 221         GHK_DELETE_NONVITAL_WINDOWS,
 222         GHK_REFRESH_SCREEN,
 223         GHK_CRASH,
 224         GHK_MONEY,
 225         GHK_UPDATE_COORDS,
 226         GHK_TOGGLE_TRANSPARENCY,
 227         GHK_TOGGLE_INVISIBILITY = GHK_TOGGLE_TRANSPARENCY + 9,
 228         GHK_TRANSPARENCY_TOOLBAR = GHK_TOGGLE_INVISIBILITY + 8,
 229         GHK_TRANSPARANCY,
 230         GHK_CHAT,
 231         GHK_CHAT_ALL,
 232         GHK_CHAT_COMPANY,
 233         GHK_CHAT_SERVER,
 234 };
 235
 236 struct MainWindow : Window
 237 {
 238         uint refresh;
 239
 240         static const uint LINKGRAPH_REFRESH_PERIOD = 0xff;
 241         static const uint LINKGRAPH_DELAY = 0xf;
 242
 243         MainWindow(WindowDesc *desc) : Window(desc)
 244         {
 245                 this->InitNested(0);
 246                 CLRBITS(this->flags, WF_WHITE_BORDER);
 247                 ResizeWindow(this, _screen.width, _screen.height);
 248
 249                 NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WID_M_VIEWPORT);
 250                 nvp->InitializeViewport(this, TileXY(32, 32), ZOOM_LVL_VIEWPORT);
 251
 252                 this->viewport->overlay = new LinkGraphOverlay(this, WID_M_VIEWPORT, 0, 0, 3);
 253                 this->refresh = LINKGRAPH_DELAY;
 254         }
 255
 256         virtual void OnTick()
 257         {
 258                 if (--this->refresh > 0) return;
 259
 260                 this->refresh = LINKGRAPH_REFRESH_PERIOD;
 261
 262                 if (this->viewport->overlay->GetCargoMask() == 0 ||
 263                                 this->viewport->overlay->GetCompanyMask() == 0) {
 264                         return;
 265                 }
 266
 267                 this->viewport->overlay->RebuildCache();
 268                 this->GetWidget<NWidgetBase>(WID_M_VIEWPORT)->SetDirty(this);
 269         }
 270
 271         virtual void OnPaint()
 272         {
 273                 this->DrawWidgets();
 274                 if (_game_mode == GM_MENU) {
 275                         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};
 276                         static const uint LETTER_SPACING = 10;
 277                         int name_width = (lengthof(title_sprites) - 1) * LETTER_SPACING;
 278
 279                         for (uint i = 0; i < lengthof(title_sprites); i++) {
 280                                 name_width += GetSpriteSize(title_sprites[i]).width;
 281                         }
 282                         int off_x = (this->width - name_width) / 2;
 283
 284                         for (uint i = 0; i < lengthof(title_sprites); i++) {
 285                                 DrawSprite(title_sprites[i], PAL_NONE, off_x, 50);
 286                                 off_x += GetSpriteSize(title_sprites[i]).width + LETTER_SPACING;
 287                         }
 288                 }
 289         }
 290
 291         virtual EventState OnHotkey(int hotkey)
 292         {
 293                 if (hotkey == GHK_QUIT) {
 294                         HandleExitGameRequest();
 295                         return ES_HANDLED;
 296                 }
 297
 298                 /* Disable all key shortcuts, except quit shortcuts when
 299                  * generating the world, otherwise they create threading
 300                  * problem during the generating, resulting in random
 301                  * assertions that are hard to trigger and debug */
 302                 if (HasModalProgress()) return ES_NOT_HANDLED;
 303
 304                 switch (hotkey) {
 305                         case GHK_ABANDON:
 306                                 /* No point returning from the main menu to itself */
 307                                 if (_game_mode == GM_MENU) return ES_HANDLED;
 308                                 if (_settings_client.gui.autosave_on_exit) {
 309                                         DoExitSave();
 310                                         _switch_mode = SM_MENU;
 311                                 } else {
 312                                         AskExitToGameMenu();
 313                                 }
 314                                 return ES_HANDLED;
 315
 316                         case GHK_CONSOLE:
 317                                 IConsoleSwitch();
 318                                 return ES_HANDLED;
 319
 320                         case GHK_BOUNDING_BOXES:
 321                                 ToggleBoundingBoxes();
 322                                 return ES_HANDLED;
 323
 324                         case GHK_DIRTY_BLOCKS:
 325                                 ToggleDirtyBlocks();
 326                                 return ES_HANDLED;
 327                 }
 328
 329                 if (_game_mode == GM_MENU) return ES_NOT_HANDLED;
 330
 331                 switch (hotkey) {
 332                         case GHK_CENTER:
 333                         case GHK_CENTER_ZOOM: {
 334                                 Point pt = GetTileBelowCursor();
 335                                 if (pt.x != -1) {
 336                                         bool instant = (hotkey == GHK_CENTER_ZOOM && this->viewport->zoom != _settings_client.gui.zoom_min);
 337                                         if (hotkey == GHK_CENTER_ZOOM) MaxZoomInOut(ZOOM_IN, this);
 338                                         ScrollMainWindowTo(pt.x, pt.y, -1, instant);
 339                                 }
 340                                 break;
 341                         }
 342
 343                         case GHK_RESET_OBJECT_TO_PLACE: ResetObjectToPlace(); break;
 344                         case GHK_DELETE_WINDOWS: DeleteNonVitalWindows(); break;
 345                         case GHK_DELETE_NONVITAL_WINDOWS: DeleteAllNonVitalWindows(); break;
 346                         case GHK_REFRESH_SCREEN: MarkWholeScreenDirty(); break;
 347
 348                         case GHK_CRASH: // Crash the game
 349                                 *(volatile byte *)0 = 0;
 350                                 break;
 351
 352                         case GHK_MONEY: // Gimme money
 353                                 /* You can only cheat for money in single player. */
 354                                 if (!_networking) DoCommandP(0, 10000000, 0, CMD_MONEY_CHEAT);
 355                                 break;
 356
 357                         case GHK_UPDATE_COORDS: // Update the coordinates of all station signs
 358                                 UpdateAllVirtCoords();
 359                                 break;
 360
 361                         case GHK_TOGGLE_TRANSPARENCY:
 362                         case GHK_TOGGLE_TRANSPARENCY + 1:
 363                         case GHK_TOGGLE_TRANSPARENCY + 2:
 364                         case GHK_TOGGLE_TRANSPARENCY + 3:
 365                         case GHK_TOGGLE_TRANSPARENCY + 4:
 366                         case GHK_TOGGLE_TRANSPARENCY + 5:
 367                         case GHK_TOGGLE_TRANSPARENCY + 6:
 368                         case GHK_TOGGLE_TRANSPARENCY + 7:
 369                         case GHK_TOGGLE_TRANSPARENCY + 8:
 370                                 /* Transparency toggle hot keys */
 371                                 ToggleTransparency((TransparencyOption)(hotkey - GHK_TOGGLE_TRANSPARENCY));
 372                                 MarkWholeScreenDirty();
 373                                 break;
 374
 375                         case GHK_TOGGLE_INVISIBILITY:
 376                         case GHK_TOGGLE_INVISIBILITY + 1:
 377                         case GHK_TOGGLE_INVISIBILITY + 2:
 378                         case GHK_TOGGLE_INVISIBILITY + 3:
 379                         case GHK_TOGGLE_INVISIBILITY + 4:
 380                         case GHK_TOGGLE_INVISIBILITY + 5:
 381                         case GHK_TOGGLE_INVISIBILITY + 6:
 382                         case GHK_TOGGLE_INVISIBILITY + 7:
 383                                 /* Invisibility toggle hot keys */
 384                                 ToggleInvisibilityWithTransparency((TransparencyOption)(hotkey - GHK_TOGGLE_INVISIBILITY));
 385                                 MarkWholeScreenDirty();
 386                                 break;
 387
 388                         case GHK_TRANSPARENCY_TOOLBAR:
 389                                 ShowTransparencyToolbar();
 390                                 break;
 391
 392                         case GHK_TRANSPARANCY:
 393                                 ResetRestoreAllTransparency();
 394                                 break;
 395
 396 #ifdef ENABLE_NETWORK
 397                         case GHK_CHAT: // smart chat; send to team if any, otherwise to all
 398                                 if (_networking) {
 399                                         const NetworkClientInfo *cio = NetworkClientInfo::GetByClientID(_network_own_client_id);
 400                                         if (cio == NULL) break;
 401
 402                                         ShowNetworkChatQueryWindow(NetworkClientPreferTeamChat(cio) ? DESTTYPE_TEAM : DESTTYPE_BROADCAST, cio->client_playas);
 403                                 }
 404                                 break;
 405
 406                         case GHK_CHAT_ALL: // send text message to all clients
 407                                 if (_networking) ShowNetworkChatQueryWindow(DESTTYPE_BROADCAST, 0);
 408                                 break;
 409
 410                         case GHK_CHAT_COMPANY: // send text to all team mates
 411                                 if (_networking) {
 412                                         const NetworkClientInfo *cio = NetworkClientInfo::GetByClientID(_network_own_client_id);
 413                                         if (cio == NULL) break;
 414
 415                                         ShowNetworkChatQueryWindow(DESTTYPE_TEAM, cio->client_playas);
 416                                 }
 417                                 break;
 418
 419                         case GHK_CHAT_SERVER: // send text to the server
 420                                 if (_networking && !_network_server) {
 421                                         ShowNetworkChatQueryWindow(DESTTYPE_CLIENT, CLIENT_ID_SERVER);
 422                                 }
 423                                 break;
 424 #endif
 425
 426                         default: return ES_NOT_HANDLED;
 427                 }
 428                 return ES_HANDLED;
 429         }
 430
 431         virtual void OnScroll(Point delta)
 432         {
 433                 this->viewport->scrollpos_x += ScaleByZoom(delta.x, this->viewport->zoom);
 434                 this->viewport->scrollpos_y += ScaleByZoom(delta.y, this->viewport->zoom);
 435                 this->viewport->dest_scrollpos_x = this->viewport->scrollpos_x;
 436                 this->viewport->dest_scrollpos_y = this->viewport->scrollpos_y;
 437                 this->refresh = LINKGRAPH_DELAY;
 438         }
 439
 440         virtual void OnMouseWheel(int wheel)
 441         {
 442                 if (_settings_client.gui.scrollwheel_scrolling == 0) {
 443                         ZoomInOrOutToCursorWindow(wheel < 0, this);
 444                 }
 445         }
 446
 447         virtual void OnResize()
 448         {
 449                 if (this->viewport != NULL) {
 450                         NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WID_M_VIEWPORT);
 451                         nvp->UpdateViewportCoordinates(this);
 452                         this->refresh = LINKGRAPH_DELAY;
 453                 }
 454         }
 455
 456         /**
 457          * Some data on this window has become invalid.
 458          * @param data Information about the changed data.
 459          * @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.
 460          */
 461         virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
 462         {
 463                 if (!gui_scope) return;
 464                 /* Forward the message to the appropriate toolbar (ingame or scenario editor) */
 465                 InvalidateWindowData(WC_MAIN_TOOLBAR, 0, data, true);
 466         }
 467
 468         static HotkeyList hotkeys;
 469 };
 470
 471 const uint16 _ghk_quit_keys[] = {'Q' | WKC_CTRL, 'Q' | WKC_META, 0};
 472 const uint16 _ghk_abandon_keys[] = {'W' | WKC_CTRL, 'W' | WKC_META, 0};
 473 const uint16 _ghk_chat_keys[] = {WKC_RETURN, 'T', 0};
 474 const uint16 _ghk_chat_all_keys[] = {WKC_SHIFT | WKC_RETURN, WKC_SHIFT | 'T', 0};
 475 const uint16 _ghk_chat_company_keys[] = {WKC_CTRL | WKC_RETURN, WKC_CTRL | 'T', 0};
 476 const uint16 _ghk_chat_server_keys[] = {WKC_CTRL | WKC_SHIFT | WKC_RETURN, WKC_CTRL | WKC_SHIFT | 'T', 0};
 477
 478 static Hotkey global_hotkeys[] = {
 479         Hotkey(_ghk_quit_keys, "quit", GHK_QUIT),
 480         Hotkey(_ghk_abandon_keys, "abandon", GHK_ABANDON),
 481         Hotkey(WKC_BACKQUOTE, "console", GHK_CONSOLE),
 482         Hotkey('B' | WKC_CTRL, "bounding_boxes", GHK_BOUNDING_BOXES),
 483         Hotkey('I' | WKC_CTRL, "dirty_blocks", GHK_DIRTY_BLOCKS),
 484         Hotkey('C', "center", GHK_CENTER),
 485         Hotkey('Z', "center_zoom", GHK_CENTER_ZOOM),
 486         Hotkey(WKC_ESC, "reset_object_to_place", GHK_RESET_OBJECT_TO_PLACE),
 487         Hotkey(WKC_DELETE, "delete_windows", GHK_DELETE_WINDOWS),
 488         Hotkey(WKC_DELETE | WKC_SHIFT, "delete_all_windows", GHK_DELETE_NONVITAL_WINDOWS),
 489         Hotkey('R' | WKC_CTRL, "refresh_screen", GHK_REFRESH_SCREEN),
 490 #if defined(_DEBUG)
 491         Hotkey('0' | WKC_ALT, "crash_game", GHK_CRASH),
 492         Hotkey('1' | WKC_ALT, "money", GHK_MONEY),
 493         Hotkey('2' | WKC_ALT, "update_coordinates", GHK_UPDATE_COORDS),
 494 #endif
 495         Hotkey('1' | WKC_CTRL, "transparency_signs", GHK_TOGGLE_TRANSPARENCY),
 496         Hotkey('2' | WKC_CTRL, "transparency_trees", GHK_TOGGLE_TRANSPARENCY + 1),
 497         Hotkey('3' | WKC_CTRL, "transparency_houses", GHK_TOGGLE_TRANSPARENCY + 2),
 498         Hotkey('4' | WKC_CTRL, "transparency_industries", GHK_TOGGLE_TRANSPARENCY + 3),
 499         Hotkey('5' | WKC_CTRL, "transparency_buildings", GHK_TOGGLE_TRANSPARENCY + 4),
 500         Hotkey('6' | WKC_CTRL, "transparency_bridges", GHK_TOGGLE_TRANSPARENCY + 5),
 501         Hotkey('7' | WKC_CTRL, "transparency_structures", GHK_TOGGLE_TRANSPARENCY + 6),
 502         Hotkey('8' | WKC_CTRL, "transparency_catenary", GHK_TOGGLE_TRANSPARENCY + 7),
 503         Hotkey('9' | WKC_CTRL, "transparency_loading", GHK_TOGGLE_TRANSPARENCY + 8),
 504         Hotkey('1' | WKC_CTRL | WKC_SHIFT, "invisibility_signs", GHK_TOGGLE_INVISIBILITY),
 505         Hotkey('2' | WKC_CTRL | WKC_SHIFT, "invisibility_trees", GHK_TOGGLE_INVISIBILITY + 1),
 506         Hotkey('3' | WKC_CTRL | WKC_SHIFT, "invisibility_houses", GHK_TOGGLE_INVISIBILITY + 2),
 507         Hotkey('4' | WKC_CTRL | WKC_SHIFT, "invisibility_industries", GHK_TOGGLE_INVISIBILITY + 3),
 508         Hotkey('5' | WKC_CTRL | WKC_SHIFT, "invisibility_buildings", GHK_TOGGLE_INVISIBILITY + 4),
 509         Hotkey('6' | WKC_CTRL | WKC_SHIFT, "invisibility_bridges", GHK_TOGGLE_INVISIBILITY + 5),
 510         Hotkey('7' | WKC_CTRL | WKC_SHIFT, "invisibility_structures", GHK_TOGGLE_INVISIBILITY + 6),
 511         Hotkey('8' | WKC_CTRL | WKC_SHIFT, "invisibility_catenary", GHK_TOGGLE_INVISIBILITY + 7),
 512         Hotkey('X' | WKC_CTRL, "transparency_toolbar", GHK_TRANSPARENCY_TOOLBAR),
 513         Hotkey('X', "toggle_transparency", GHK_TRANSPARANCY),
 514 #ifdef ENABLE_NETWORK
 515         Hotkey(_ghk_chat_keys, "chat", GHK_CHAT),
 516         Hotkey(_ghk_chat_all_keys, "chat_all", GHK_CHAT_ALL),
 517         Hotkey(_ghk_chat_company_keys, "chat_company", GHK_CHAT_COMPANY),
 518         Hotkey(_ghk_chat_server_keys, "chat_server", GHK_CHAT_SERVER),
 519 #endif
 520         HOTKEY_LIST_END
 521 };
 522 HotkeyList MainWindow::hotkeys("global", global_hotkeys);
 523
 524 static WindowDesc _main_window_desc(
 525         WDP_MANUAL, NULL, 0, 0,
 526         WC_MAIN_WINDOW, WC_NONE,
 527         0,
 528         _nested_main_window_widgets, lengthof(_nested_main_window_widgets),
 529         &MainWindow::hotkeys
 530 );
 531
 532 /**
 533  * Does the given keycode match one of the keycodes bound to 'quit game'?
 534  * @param keycode The keycode that was pressed by the user.
 535  * @return True iff the keycode matches one of the hotkeys for 'quit'.
 536  */
 537 bool IsQuitKey(uint16 keycode)
 538 {
 539         int num = MainWindow::hotkeys.CheckMatch(keycode);
 540         return num == GHK_QUIT;
 541 }
 542
 543
 544 void ShowSelectGameWindow();
 545
 546 /**
 547  * Initialise the default colours (remaps and the likes), and load the main windows.
 548  */
 549 void SetupColoursAndInitialWindow()
 550 {
 551         for (uint i = 0; i != 16; i++) {
 552                 const byte *b = GetNonSprite(PALETTE_RECOLOUR_START + i, ST_RECOLOUR);
 553
 554                 assert(b);
 555                 memcpy(_colour_gradient[i], b + 0xC6, sizeof(_colour_gradient[i]));
 556         }
 557
 558         new MainWindow(&_main_window_desc);
 559
 560         /* XXX: these are not done */
 561         switch (_game_mode) {
 562                 default: NOT_REACHED();
 563                 case GM_MENU:
 564                         ShowSelectGameWindow();
 565                         break;
 566
 567                 case GM_NORMAL:
 568                 case GM_EDITOR:
 569                         ShowVitalWindows();
 570                         break;
 571         }
 572 }
 573
 574 /**
 575  * Show the vital in-game windows.
 576  */
 577 void ShowVitalWindows()
 578 {
 579         AllocateToolbar();
 580
 581         /* Status bad only for normal games */
 582         if (_game_mode == GM_EDITOR) return;
 583
 584         ShowStatusBar();
 585 }
 586
 587 /**
 588  * Size of the application screen changed.
 589  * Adapt the game screen-size, re-allocate the open windows, and repaint everything
 590  */
 591 void GameSizeChanged()
 592 {
 593         _cur_resolution.width  = _screen.width;
 594         _cur_resolution.height = _screen.height;
 595         ScreenSizeChanged();
 596         RelocateAllWindows(_screen.width, _screen.height);
 597         MarkWholeScreenDirty();
 598 }