src/road_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 road_gui.cpp GUI for building roads. */
   9
  10 #include "stdafx.h"
  11 #include "gui.h"
  12 #include "window_gui.h"
  13 #include "station_gui.h"
  14 #include "terraform_gui.h"
  15 #include "viewport_func.h"
  16 #include "command_func.h"
  17 #include "road_cmd.h"
  18 #include "station_func.h"
  19 #include "window_func.h"
  20 #include "vehicle_func.h"
  21 #include "sound_func.h"
  22 #include "company_func.h"
  23 #include "tunnelbridge.h"
  24 #include "tunnelbridge_map.h"
  25 #include "tilehighlight_func.h"
  26 #include "company_base.h"
  27 #include "hotkeys.h"
  28 #include "road_gui.h"
  29 #include "zoom_func.h"
  30 #include "engine_base.h"
  31 #include "strings_func.h"
  32 #include "core/geometry_func.hpp"
  33 #include "date_func.h"
  34
  35 #include "widgets/road_widget.h"
  36
  37 #include "table/strings.h"
  38
  39 #include "safeguards.h"
  40
  41 static void ShowRVStationPicker(Window *parent, RoadStopType rs);
  42 static void ShowRoadDepotPicker(Window *parent);
  43
  44 static bool _remove_button_clicked;
  45 static bool _one_way_button_clicked;
  46
  47 /**
  48  * Define the values of the RoadFlags
  49  * @see CmdBuildLongRoad
  50  */
  51 enum RoadFlags {
  52         RF_NONE             = 0x00,
  53         RF_START_HALFROAD_Y = 0x01,    // The start tile in Y-dir should have only a half road
  54         RF_END_HALFROAD_Y   = 0x02,    // The end tile in Y-dir should have only a half road
  55         RF_DIR_Y            = 0x04,    // The direction is Y-dir
  56         RF_DIR_X            = RF_NONE, // Dummy; Dir X is set when RF_DIR_Y is not set
  57         RF_START_HALFROAD_X = 0x08,    // The start tile in X-dir should have only a half road
  58         RF_END_HALFROAD_X   = 0x10,    // The end tile in X-dir should have only a half road
  59 };
  60 DECLARE_ENUM_AS_BIT_SET(RoadFlags)
  61
  62 static RoadFlags _place_road_flag;
  63
  64 static RoadType _cur_roadtype;
  65
  66 static DiagDirection _road_depot_orientation;
  67 static DiagDirection _road_station_picker_orientation;
  68
  69 void CcPlaySound_SPLAT_OTHER(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2, uint32 cmd)
  70 {
  71         if (result.Succeeded() && _settings_client.sound.confirm) SndPlayTileFx(SND_1F_SPLAT_OTHER, tile);
  72 }
  73
  74 /**
  75  * Callback to start placing a bridge.
  76  * @param tile Start tile of the bridge.
  77  */
  78 static void PlaceRoad_Bridge(TileIndex tile, Window *w)
  79 {
  80         if (IsBridgeTile(tile)) {
  81                 TileIndex other_tile = GetOtherTunnelBridgeEnd(tile);
  82                 Point pt = {0, 0};
  83                 w->OnPlaceMouseUp(VPM_X_OR_Y, DDSP_BUILD_BRIDGE, pt, other_tile, tile);
  84         } else {
  85                 VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_BUILD_BRIDGE);
  86         }
  87 }
  88
  89 /**
  90  * Callback executed after a build road tunnel command has been called.
  91  *
  92  * @param result Whether the build succeeded.
  93  * @param start_tile Starting tile of the tunnel.
  94  * @param p1 bit 0-3 railtype or roadtypes
  95  *           bit 8-9 transport type
  96  * @param p2 unused
  97  * @param cmd unused
  98  */
  99 void CcBuildRoadTunnel(const CommandCost &result, TileIndex start_tile, uint32 p1, uint32 p2, uint32 cmd)
 100 {
 101         if (result.Succeeded()) {
 102                 if (_settings_client.sound.confirm) SndPlayTileFx(SND_1F_SPLAT_OTHER, start_tile);
 103                 if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
 104
 105                 DiagDirection start_direction = ReverseDiagDir(GetTunnelBridgeDirection(start_tile));
 106                 ConnectRoadToStructure(start_tile, start_direction);
 107
 108                 TileIndex end_tile = GetOtherTunnelBridgeEnd(start_tile);
 109                 DiagDirection end_direction = ReverseDiagDir(GetTunnelBridgeDirection(end_tile));
 110                 ConnectRoadToStructure(end_tile, end_direction);
 111         } else {
 112                 SetRedErrorSquare(_build_tunnel_endtile);
 113         }
 114 }
 115
 116 /**
 117  * If required, connects a new structure to an existing road or tram by building the missing roadbit.
 118  * @param tile Tile containing the structure to connect.
 119  * @param direction Direction to check.
 120  */
 121 void ConnectRoadToStructure(TileIndex tile, DiagDirection direction)
 122 {
 123         tile += TileOffsByDiagDir(direction);
 124         /* if there is a roadpiece just outside of the station entrance, build a connecting route */
 125         if (IsNormalRoadTile(tile)) {
 126                 if (GetRoadBits(tile, GetRoadTramType(_cur_roadtype)) != ROAD_NONE) {
 127                         DoCommandP(tile, _cur_roadtype << 4 | DiagDirToRoadBits(ReverseDiagDir(direction)), 0, CMD_BUILD_ROAD);
 128                 }
 129         }
 130 }
 131
 132 void CcRoadDepot(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2, uint32 cmd)
 133 {
 134         if (result.Failed()) return;
 135
 136         DiagDirection dir = (DiagDirection)GB(p1, 0, 2);
 137         if (_settings_client.sound.confirm) SndPlayTileFx(SND_1F_SPLAT_OTHER, tile);
 138         if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
 139         ConnectRoadToStructure(tile, dir);
 140 }
 141
 142 /**
 143  * Command callback for building road stops.
 144  * @param result Result of the build road stop command.
 145  * @param tile Start tile.
 146  * @param p1 bit 0..7: Width of the road stop.
 147  *           bit 8..15: Length of the road stop.
 148  * @param p2 bit 0: 0 For bus stops, 1 for truck stops.
 149  *           bit 1: 0 For normal stops, 1 for drive-through.
 150  *           bit 2: Allow stations directly adjacent to other stations.
 151  *           bit 3..4: Entrance direction (#DiagDirection) for normal stops.
 152  *           bit 3: #Axis of the road for drive-through stops.
 153  *           bit 5..9: The roadtype.
 154  *           bit 16..31: Station ID to join (NEW_STATION if build new one).
 155  * @param cmd Unused.
 156  * @see CmdBuildRoadStop
 157  */
 158 void CcRoadStop(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2, uint32 cmd)
 159 {
 160         if (result.Failed()) return;
 161
 162         DiagDirection dir = (DiagDirection)GB(p2, 3, 2);
 163         if (_settings_client.sound.confirm) SndPlayTileFx(SND_1F_SPLAT_OTHER, tile);
 164         if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
 165         TileArea roadstop_area(tile, GB(p1, 0, 8), GB(p1, 8, 8));
 166         TILE_AREA_LOOP(cur_tile, roadstop_area) {
 167                 ConnectRoadToStructure(cur_tile, dir);
 168                 /* For a drive-through road stop build connecting road for other entrance. */
 169                 if (HasBit(p2, 1)) ConnectRoadToStructure(cur_tile, ReverseDiagDir(dir));
 170         }
 171 }
 172
 173 /**
 174  * Place a new road stop.
 175  * @param start_tile First tile of the area.
 176  * @param end_tile Last tile of the area.
 177  * @param p2 bit 0: 0 For bus stops, 1 for truck stops.
 178  *           bit 2: Allow stations directly adjacent to other stations.
 179  *           bit 5..10: The roadtypes.
 180  * @param cmd Command to use.
 181  * @see CcRoadStop()
 182  */
 183 static void PlaceRoadStop(TileIndex start_tile, TileIndex end_tile, uint32 p2, uint32 cmd)
 184 {
 185         uint8 ddir = _road_station_picker_orientation;
 186         SB(p2, 16, 16, INVALID_STATION); // no station to join
 187
 188         if (ddir >= DIAGDIR_END) {
 189                 SetBit(p2, 1); // It's a drive-through stop.
 190                 ddir -= DIAGDIR_END; // Adjust picker result to actual direction.
 191         }
 192         p2 |= ddir << 3; // Set the DiagDirecion into p2 bits 3 and 4.
 193
 194         TileArea ta(start_tile, end_tile);
 195         CommandContainer cmdcont = { ta.tile, (uint32)(ta.w | ta.h << 8), p2, cmd, CcRoadStop, "" };
 196         ShowSelectStationIfNeeded(cmdcont, ta);
 197 }
 198
 199 /**
 200  * Callback for placing a bus station.
 201  * @param tile Position to place the station.
 202  */
 203 static void PlaceRoad_BusStation(TileIndex tile)
 204 {
 205         if (_remove_button_clicked) {
 206                 VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_BUSSTOP);
 207         } else {
 208                 if (_road_station_picker_orientation < DIAGDIR_END) { // Not a drive-through stop.
 209                         VpStartPlaceSizing(tile, (DiagDirToAxis(_road_station_picker_orientation) == AXIS_X) ? VPM_X_LIMITED : VPM_Y_LIMITED, DDSP_BUILD_BUSSTOP);
 210                 } else {
 211                         VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_BUILD_BUSSTOP);
 212                 }
 213                 VpSetPlaceSizingLimit(_settings_game.station.station_spread);
 214         }
 215 }
 216
 217 /**
 218  * Callback for placing a truck station.
 219  * @param tile Position to place the station.
 220  */
 221 static void PlaceRoad_TruckStation(TileIndex tile)
 222 {
 223         if (_remove_button_clicked) {
 224                 VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_TRUCKSTOP);
 225         } else {
 226                 if (_road_station_picker_orientation < DIAGDIR_END) { // Not a drive-through stop.
 227                         VpStartPlaceSizing(tile, (DiagDirToAxis(_road_station_picker_orientation) == AXIS_X) ? VPM_X_LIMITED : VPM_Y_LIMITED, DDSP_BUILD_TRUCKSTOP);
 228                 } else {
 229                         VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_BUILD_TRUCKSTOP);
 230                 }
 231                 VpSetPlaceSizingLimit(_settings_game.station.station_spread);
 232         }
 233 }
 234
 235 typedef void OnButtonClick(Window *w);
 236
 237 /**
 238  * Toggles state of the Remove button of Build road toolbar
 239  * @param w window the button belongs to
 240  */
 241 static void ToggleRoadButton_Remove(Window *w)
 242 {
 243         w->ToggleWidgetLoweredState(WID_ROT_REMOVE);
 244         w->SetWidgetDirty(WID_ROT_REMOVE);
 245         _remove_button_clicked = w->IsWidgetLowered(WID_ROT_REMOVE);
 246         SetSelectionRed(_remove_button_clicked);
 247 }
 248
 249 /**
 250  * Updates the Remove button because of Ctrl state change
 251  * @param w window the button belongs to
 252  * @return true iff the remove button was changed
 253  */
 254 static bool RoadToolbar_CtrlChanged(Window *w)
 255 {
 256         if (w->IsWidgetDisabled(WID_ROT_REMOVE)) return false;
 257
 258         /* allow ctrl to switch remove mode only for these widgets */
 259         for (uint i = WID_ROT_ROAD_X; i <= WID_ROT_AUTOROAD; i++) {
 260                 if (w->IsWidgetLowered(i)) {
 261                         ToggleRoadButton_Remove(w);
 262                         return true;
 263                 }
 264         }
 265
 266         return false;
 267 }
 268
 269 /** Road toolbar window handler. */
 270 struct BuildRoadToolbarWindow : Window {
 271         RoadType roadtype;          ///< Road type to build.
 272         const RoadTypeInfo *rti;    ///< Information about current road type
 273         int last_started_action;    ///< Last started user action.
 274
 275         BuildRoadToolbarWindow(WindowDesc *desc, WindowNumber window_number) : Window(desc)
 276         {
 277                 this->Initialize(_cur_roadtype);
 278                 this->InitNested(window_number);
 279                 this->SetupRoadToolbar();
 280                 this->SetWidgetDisabledState(WID_ROT_REMOVE, true);
 281
 282                 if (RoadTypeIsRoad(this->roadtype)) {
 283                         this->SetWidgetDisabledState(WID_ROT_ONE_WAY, true);
 284                 }
 285
 286                 this->OnInvalidateData();
 287                 this->last_started_action = WIDGET_LIST_END;
 288
 289                 if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
 290         }
 291
 292         ~BuildRoadToolbarWindow()
 293         {
 294                 if (_game_mode == GM_NORMAL && (this->IsWidgetLowered(WID_ROT_BUS_STATION) || this->IsWidgetLowered(WID_ROT_TRUCK_STATION))) SetViewportCatchmentStation(nullptr, true);
 295                 if (_settings_client.gui.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0, false);
 296         }
 297
 298         /**
 299          * Some data on this window has become invalid.
 300          * @param data Information about the changed data.
 301          * @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.
 302          */
 303         void OnInvalidateData(int data = 0, bool gui_scope = true) override
 304         {
 305                 if (!gui_scope) return;
 306
 307                 if (_game_mode != GM_EDITOR && !CanBuildVehicleInfrastructure(VEH_ROAD, GetRoadTramType(this->roadtype))) delete this;
 308         }
 309
 310         void Initialize(RoadType roadtype)
 311         {
 312                 assert(roadtype < ROADTYPE_END);
 313                 this->roadtype = roadtype;
 314                 this->rti = GetRoadTypeInfo(this->roadtype);
 315         }
 316
 317         /**
 318          * Configures the road toolbar for roadtype given
 319          * @param roadtype the roadtype to display
 320          */
 321         void SetupRoadToolbar()
 322         {
 323                 this->GetWidget<NWidgetCore>(WID_ROT_ROAD_X)->widget_data = rti->gui_sprites.build_x_road;
 324                 this->GetWidget<NWidgetCore>(WID_ROT_ROAD_Y)->widget_data = rti->gui_sprites.build_y_road;
 325                 this->GetWidget<NWidgetCore>(WID_ROT_AUTOROAD)->widget_data = rti->gui_sprites.auto_road;
 326                 if (_game_mode != GM_EDITOR) {
 327                         this->GetWidget<NWidgetCore>(WID_ROT_DEPOT)->widget_data = rti->gui_sprites.build_depot;
 328                 }
 329                 this->GetWidget<NWidgetCore>(WID_ROT_CONVERT_ROAD)->widget_data = rti->gui_sprites.convert_road;
 330                 this->GetWidget<NWidgetCore>(WID_ROT_BUILD_TUNNEL)->widget_data = rti->gui_sprites.build_tunnel;
 331         }
 332
 333         /**
 334          * Switch to another road type.
 335          * @param roadtype New road type.
 336          */
 337         void ModifyRoadType(RoadType roadtype)
 338         {
 339                 this->Initialize(roadtype);
 340                 this->SetupRoadToolbar();
 341                 this->ReInit();
 342         }
 343
 344         void SetStringParameters(int widget) const override
 345         {
 346                 if (widget == WID_ROT_CAPTION) {
 347                         if (this->rti->max_speed > 0) {
 348                                 SetDParam(0, STR_TOOLBAR_RAILTYPE_VELOCITY);
 349                                 SetDParam(1, this->rti->strings.toolbar_caption);
 350                                 SetDParam(2, this->rti->max_speed / 2);
 351                         } else {
 352                                 SetDParam(0, this->rti->strings.toolbar_caption);
 353                         }
 354                 }
 355         }
 356
 357         /**
 358          * Update the remove button lowered state of the road toolbar
 359          *
 360          * @param clicked_widget The widget which the client clicked just now
 361          */
 362         void UpdateOptionWidgetStatus(RoadToolbarWidgets clicked_widget)
 363         {
 364                 /* The remove and the one way button state is driven
 365                  * by the other buttons so they don't act on themselves.
 366                  * Both are only valid if they are able to apply as options. */
 367                 switch (clicked_widget) {
 368                         case WID_ROT_REMOVE:
 369                                 if (RoadTypeIsRoad(this->roadtype)) {
 370                                         this->RaiseWidget(WID_ROT_ONE_WAY);
 371                                         this->SetWidgetDirty(WID_ROT_ONE_WAY);
 372                                 }
 373
 374                                 break;
 375
 376                         case WID_ROT_ONE_WAY:
 377                                 this->RaiseWidget(WID_ROT_REMOVE);
 378                                 this->SetWidgetDirty(WID_ROT_REMOVE);
 379                                 break;
 380
 381                         case WID_ROT_BUS_STATION:
 382                         case WID_ROT_TRUCK_STATION:
 383                                 if (RoadTypeIsRoad(this->roadtype)) this->DisableWidget(WID_ROT_ONE_WAY);
 384                                 this->SetWidgetDisabledState(WID_ROT_REMOVE, !this->IsWidgetLowered(clicked_widget));
 385                                 break;
 386
 387                         case WID_ROT_ROAD_X:
 388                         case WID_ROT_ROAD_Y:
 389                         case WID_ROT_AUTOROAD:
 390                                 this->SetWidgetDisabledState(WID_ROT_REMOVE, !this->IsWidgetLowered(clicked_widget));
 391                                 if (RoadTypeIsRoad(this->roadtype)) {
 392                                         this->SetWidgetDisabledState(WID_ROT_ONE_WAY, !this->IsWidgetLowered(clicked_widget));
 393                                 }
 394                                 break;
 395
 396                         default:
 397                                 /* When any other buttons than road/station, raise and
 398                                  * disable the removal button */
 399                                 this->SetWidgetDisabledState(WID_ROT_REMOVE, true);
 400                                 this->SetWidgetLoweredState(WID_ROT_REMOVE, false);
 401
 402                                 if (RoadTypeIsRoad(this->roadtype)) {
 403                                         this->SetWidgetDisabledState(WID_ROT_ONE_WAY, true);
 404                                         this->SetWidgetLoweredState(WID_ROT_ONE_WAY, false);
 405                                 }
 406
 407                                 break;
 408                 }
 409         }
 410
 411         void OnClick(Point pt, int widget, int click_count) override
 412         {
 413                 _remove_button_clicked = false;
 414                 _one_way_button_clicked = false;
 415                 switch (widget) {
 416                         case WID_ROT_ROAD_X:
 417                                 HandlePlacePushButton(this, WID_ROT_ROAD_X, this->rti->cursor.road_nwse, HT_RECT);
 418                                 this->last_started_action = widget;
 419                                 break;
 420
 421                         case WID_ROT_ROAD_Y:
 422                                 HandlePlacePushButton(this, WID_ROT_ROAD_Y, this->rti->cursor.road_swne, HT_RECT);
 423                                 this->last_started_action = widget;
 424                                 break;
 425
 426                         case WID_ROT_AUTOROAD:
 427                                 HandlePlacePushButton(this, WID_ROT_AUTOROAD, this->rti->cursor.autoroad, HT_RECT);
 428                                 this->last_started_action = widget;
 429                                 break;
 430
 431                         case WID_ROT_DEMOLISH:
 432                                 HandlePlacePushButton(this, WID_ROT_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
 433                                 this->last_started_action = widget;
 434                                 break;
 435
 436                         case WID_ROT_DEPOT:
 437                                 if (_game_mode == GM_EDITOR || !CanBuildVehicleInfrastructure(VEH_ROAD, GetRoadTramType(this->roadtype))) return;
 438                                 if (HandlePlacePushButton(this, WID_ROT_DEPOT, this->rti->cursor.depot, HT_RECT)) {
 439                                         ShowRoadDepotPicker(this);
 440                                         this->last_started_action = widget;
 441                                 }
 442                                 break;
 443
 444                         case WID_ROT_BUS_STATION:
 445                                 if (_game_mode == GM_EDITOR || !CanBuildVehicleInfrastructure(VEH_ROAD, GetRoadTramType(this->roadtype))) return;
 446                                 if (HandlePlacePushButton(this, WID_ROT_BUS_STATION, SPR_CURSOR_BUS_STATION, HT_RECT)) {
 447                                         ShowRVStationPicker(this, ROADSTOP_BUS);
 448                                         this->last_started_action = widget;
 449                                 }
 450                                 break;
 451
 452                         case WID_ROT_TRUCK_STATION:
 453                                 if (_game_mode == GM_EDITOR || !CanBuildVehicleInfrastructure(VEH_ROAD, GetRoadTramType(this->roadtype))) return;
 454                                 if (HandlePlacePushButton(this, WID_ROT_TRUCK_STATION, SPR_CURSOR_TRUCK_STATION, HT_RECT)) {
 455                                         ShowRVStationPicker(this, ROADSTOP_TRUCK);
 456                                         this->last_started_action = widget;
 457                                 }
 458                                 break;
 459
 460                         case WID_ROT_ONE_WAY:
 461                                 if (this->IsWidgetDisabled(WID_ROT_ONE_WAY)) return;
 462                                 this->SetDirty();
 463                                 this->ToggleWidgetLoweredState(WID_ROT_ONE_WAY);
 464                                 SetSelectionRed(false);
 465                                 break;
 466
 467                         case WID_ROT_BUILD_BRIDGE:
 468                                 HandlePlacePushButton(this, WID_ROT_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT);
 469                                 this->last_started_action = widget;
 470                                 break;
 471
 472                         case WID_ROT_BUILD_TUNNEL:
 473                                 HandlePlacePushButton(this, WID_ROT_BUILD_TUNNEL, this->rti->cursor.tunnel, HT_SPECIAL);
 474                                 this->last_started_action = widget;
 475                                 break;
 476
 477                         case WID_ROT_REMOVE:
 478                                 if (this->IsWidgetDisabled(WID_ROT_REMOVE)) return;
 479
 480                                 DeleteWindowById(WC_SELECT_STATION, 0);
 481                                 ToggleRoadButton_Remove(this);
 482                                 if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
 483                                 break;
 484
 485                         case WID_ROT_CONVERT_ROAD:
 486                                 HandlePlacePushButton(this, WID_ROT_CONVERT_ROAD, this->rti->cursor.convert_road, HT_RECT);
 487                                 this->last_started_action = widget;
 488                                 break;
 489
 490                         default: NOT_REACHED();
 491                 }
 492                 this->UpdateOptionWidgetStatus((RoadToolbarWidgets)widget);
 493                 if (_ctrl_pressed) RoadToolbar_CtrlChanged(this);
 494         }
 495
 496         EventState OnHotkey(int hotkey) override
 497         {
 498                 MarkTileDirtyByTile(TileVirtXY(_thd.pos.x, _thd.pos.y)); // redraw tile selection
 499                 return Window::OnHotkey(hotkey);
 500         }
 501
 502         void OnPlaceObject(Point pt, TileIndex tile) override
 503         {
 504                 _remove_button_clicked = this->IsWidgetLowered(WID_ROT_REMOVE);
 505                 _one_way_button_clicked = RoadTypeIsRoad(this->roadtype) ? this->IsWidgetLowered(WID_ROT_ONE_WAY) : false;
 506                 switch (this->last_started_action) {
 507                         case WID_ROT_ROAD_X:
 508                                 _place_road_flag = RF_DIR_X;
 509                                 if (_tile_fract_coords.x >= 8) _place_road_flag |= RF_START_HALFROAD_X;
 510                                 VpStartPlaceSizing(tile, VPM_FIX_Y, DDSP_PLACE_ROAD_X_DIR);
 511                                 break;
 512
 513                         case WID_ROT_ROAD_Y:
 514                                 _place_road_flag = RF_DIR_Y;
 515                                 if (_tile_fract_coords.y >= 8) _place_road_flag |= RF_START_HALFROAD_Y;
 516                                 VpStartPlaceSizing(tile, VPM_FIX_X, DDSP_PLACE_ROAD_Y_DIR);
 517                                 break;
 518
 519                         case WID_ROT_AUTOROAD:
 520                                 _place_road_flag = RF_NONE;
 521                                 if (_tile_fract_coords.x >= 8) _place_road_flag |= RF_START_HALFROAD_X;
 522                                 if (_tile_fract_coords.y >= 8) _place_road_flag |= RF_START_HALFROAD_Y;
 523                                 VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_PLACE_AUTOROAD);
 524                                 break;
 525
 526                         case WID_ROT_DEMOLISH:
 527                                 PlaceProc_DemolishArea(tile);
 528                                 break;
 529
 530                         case WID_ROT_DEPOT:
 531                                 DoCommandP(tile, _cur_roadtype << 2 | _road_depot_orientation, 0,
 532                                                 CMD_BUILD_ROAD_DEPOT | CMD_MSG(this->rti->strings.err_depot), CcRoadDepot);
 533                                 break;
 534
 535                         case WID_ROT_BUS_STATION:
 536                                 PlaceRoad_BusStation(tile);
 537                                 break;
 538
 539                         case WID_ROT_TRUCK_STATION:
 540                                 PlaceRoad_TruckStation(tile);
 541                                 break;
 542
 543                         case WID_ROT_BUILD_BRIDGE:
 544                                 PlaceRoad_Bridge(tile, this);
 545                                 break;
 546
 547                         case WID_ROT_BUILD_TUNNEL:
 548                                 DoCommandP(tile, _cur_roadtype | (TRANSPORT_ROAD << 8), 0,
 549                                                 CMD_BUILD_TUNNEL | CMD_MSG(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE), CcBuildRoadTunnel);
 550                                 break;
 551
 552                         case WID_ROT_CONVERT_ROAD:
 553                                 VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CONVERT_ROAD);
 554                                 break;
 555
 556                         default: NOT_REACHED();
 557                 }
 558         }
 559
 560         void OnPlaceObjectAbort() override
 561         {
 562                 if (_game_mode != GM_EDITOR && (this->IsWidgetLowered(WID_ROT_BUS_STATION) || this->IsWidgetLowered(WID_ROT_TRUCK_STATION))) SetViewportCatchmentStation(nullptr, true);
 563
 564                 this->RaiseButtons();
 565                 this->SetWidgetDisabledState(WID_ROT_REMOVE, true);
 566                 this->SetWidgetDirty(WID_ROT_REMOVE);
 567
 568                 if (RoadTypeIsRoad(this->roadtype)) {
 569                         this->SetWidgetDisabledState(WID_ROT_ONE_WAY, true);
 570                         this->SetWidgetDirty(WID_ROT_ONE_WAY);
 571                 }
 572
 573                 DeleteWindowById(WC_BUS_STATION, TRANSPORT_ROAD);
 574                 DeleteWindowById(WC_TRUCK_STATION, TRANSPORT_ROAD);
 575                 DeleteWindowById(WC_BUILD_DEPOT, TRANSPORT_ROAD);
 576                 DeleteWindowById(WC_SELECT_STATION, 0);
 577                 DeleteWindowByClass(WC_BUILD_BRIDGE);
 578         }
 579
 580         void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt) override
 581         {
 582                 /* Here we update the end tile flags
 583                  * of the road placement actions.
 584                  * At first we reset the end halfroad
 585                  * bits and if needed we set them again. */
 586                 switch (select_proc) {
 587                         case DDSP_PLACE_ROAD_X_DIR:
 588                                 _place_road_flag &= ~RF_END_HALFROAD_X;
 589                                 if (pt.x & 8) _place_road_flag |= RF_END_HALFROAD_X;
 590                                 break;
 591
 592                         case DDSP_PLACE_ROAD_Y_DIR:
 593                                 _place_road_flag &= ~RF_END_HALFROAD_Y;
 594                                 if (pt.y & 8) _place_road_flag |= RF_END_HALFROAD_Y;
 595                                 break;
 596
 597                         case DDSP_PLACE_AUTOROAD:
 598                                 _place_road_flag &= ~(RF_END_HALFROAD_Y | RF_END_HALFROAD_X);
 599                                 if (pt.y & 8) _place_road_flag |= RF_END_HALFROAD_Y;
 600                                 if (pt.x & 8) _place_road_flag |= RF_END_HALFROAD_X;
 601
 602                                 /* For autoroad we need to update the
 603                                  * direction of the road */
 604                                 if (_thd.size.x > _thd.size.y || (_thd.size.x == _thd.size.y &&
 605                                                 ( (_tile_fract_coords.x < _tile_fract_coords.y && (_tile_fract_coords.x + _tile_fract_coords.y) < 16) ||
 606                                                 (_tile_fract_coords.x > _tile_fract_coords.y && (_tile_fract_coords.x + _tile_fract_coords.y) > 16) ))) {
 607                                         /* Set dir = X */
 608                                         _place_road_flag &= ~RF_DIR_Y;
 609                                 } else {
 610                                         /* Set dir = Y */
 611                                         _place_road_flag |= RF_DIR_Y;
 612                                 }
 613
 614                                 break;
 615
 616                         default:
 617                                 break;
 618                 }
 619
 620                 VpSelectTilesWithMethod(pt.x, pt.y, select_method);
 621         }
 622
 623         void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile) override
 624         {
 625                 if (pt.x != -1) {
 626                         switch (select_proc) {
 627                                 default: NOT_REACHED();
 628                                 case DDSP_BUILD_BRIDGE:
 629                                         if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
 630                                         ShowBuildBridgeWindow(start_tile, end_tile, TRANSPORT_ROAD, _cur_roadtype);
 631                                         break;
 632
 633                                 case DDSP_DEMOLISH_AREA:
 634                                         GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
 635                                         break;
 636
 637                                 case DDSP_PLACE_ROAD_X_DIR:
 638                                 case DDSP_PLACE_ROAD_Y_DIR:
 639                                 case DDSP_PLACE_AUTOROAD:
 640                                         /* Flag description:
 641                                          * Use the first three bits (0x07) if dir == Y
 642                                          * else use the last 2 bits (X dir has
 643                                          * not the 3rd bit set) */
 644
 645                                         /* Even if _cur_roadtype_id is a uint8 we only use 5 bits so
 646                                          * we could ignore the last 3 bits and reuse them for other
 647                                          * flags */
 648                                         _place_road_flag = (RoadFlags)((_place_road_flag & RF_DIR_Y) ? (_place_road_flag & 0x07) : (_place_road_flag >> 3));
 649
 650                                         DoCommandP(start_tile, end_tile, _place_road_flag | (_cur_roadtype << 3) | (_one_way_button_clicked << 10),
 651                                                         _remove_button_clicked ?
 652                                                         CMD_REMOVE_LONG_ROAD | CMD_MSG(this->rti->strings.err_remove_road) :
 653                                                         CMD_BUILD_LONG_ROAD | CMD_MSG(this->rti->strings.err_build_road), CcPlaySound_SPLAT_OTHER);
 654                                         break;
 655
 656                                 case DDSP_BUILD_BUSSTOP:
 657                                 case DDSP_REMOVE_BUSSTOP:
 658                                         if (this->IsWidgetLowered(WID_ROT_BUS_STATION)) {
 659                                                 if (_remove_button_clicked) {
 660                                                         TileArea ta(start_tile, end_tile);
 661                                                         DoCommandP(ta.tile, ta.w | ta.h << 8, (_ctrl_pressed << 1) | ROADSTOP_BUS, CMD_REMOVE_ROAD_STOP | CMD_MSG(this->rti->strings.err_remove_station[ROADSTOP_BUS]), CcPlaySound_SPLAT_OTHER);
 662                                                 } else {
 663                                                         PlaceRoadStop(start_tile, end_tile, _cur_roadtype << 5 | (_ctrl_pressed << 2) | ROADSTOP_BUS, CMD_BUILD_ROAD_STOP | CMD_MSG(this->rti->strings.err_build_station[ROADSTOP_BUS]));
 664                                                 }
 665                                         }
 666                                         break;
 667
 668                                 case DDSP_BUILD_TRUCKSTOP:
 669                                 case DDSP_REMOVE_TRUCKSTOP:
 670                                         if (this->IsWidgetLowered(WID_ROT_TRUCK_STATION)) {
 671                                                 if (_remove_button_clicked) {
 672                                                         TileArea ta(start_tile, end_tile);
 673                                                         DoCommandP(ta.tile, ta.w | ta.h << 8, (_ctrl_pressed << 1) | ROADSTOP_TRUCK, CMD_REMOVE_ROAD_STOP | CMD_MSG(this->rti->strings.err_remove_station[ROADSTOP_TRUCK]), CcPlaySound_SPLAT_OTHER);
 674                                                 } else {
 675                                                         PlaceRoadStop(start_tile, end_tile, _cur_roadtype << 5 | (_ctrl_pressed << 2) | ROADSTOP_TRUCK, CMD_BUILD_ROAD_STOP | CMD_MSG(this->rti->strings.err_build_station[ROADSTOP_TRUCK]));
 676                                                 }
 677                                         }
 678                                         break;
 679
 680                                 case DDSP_CONVERT_ROAD:
 681                                         DoCommandP(end_tile, start_tile, _cur_roadtype, CMD_CONVERT_ROAD | CMD_MSG(rti->strings.err_convert_road), CcPlaySound_SPLAT_OTHER);
 682                                         break;
 683                         }
 684                 }
 685         }
 686
 687         void OnPlacePresize(Point pt, TileIndex tile) override
 688         {
 689                 DoCommand(tile, _cur_roadtype | (TRANSPORT_ROAD << 8), 0, DC_AUTO, CMD_BUILD_TUNNEL);
 690                 VpSetPresizeRange(tile, _build_tunnel_endtile == 0 ? tile : _build_tunnel_endtile);
 691         }
 692
 693         EventState OnCTRLStateChange() override
 694         {
 695                 if (RoadToolbar_CtrlChanged(this)) return ES_HANDLED;
 696                 return ES_NOT_HANDLED;
 697         }
 698
 699         static HotkeyList road_hotkeys;
 700         static HotkeyList tram_hotkeys;
 701 };
 702
 703 /**
 704  * Handler for global hotkeys of the BuildRoadToolbarWindow.
 705  * @param hotkey Hotkey
 706  * @param last_build Last build road type
 707  * @return ES_HANDLED if hotkey was accepted.
 708  */
 709 static EventState RoadTramToolbarGlobalHotkeys(int hotkey, RoadType last_build, RoadTramType rtt)
 710 {
 711         Window* w = nullptr;
 712         switch (_game_mode) {
 713                 case GM_NORMAL:
 714                         if (!CanBuildVehicleInfrastructure(VEH_ROAD, rtt)) return ES_NOT_HANDLED;
 715                         w = ShowBuildRoadToolbar(last_build);
 716                         break;
 717
 718                 case GM_EDITOR:
 719                         if ((GetRoadTypes(true) & ((rtt == RTT_ROAD) ? ~_roadtypes_type : _roadtypes_type)) == ROADTYPES_NONE) return ES_NOT_HANDLED;
 720                         w = ShowBuildRoadScenToolbar(last_build);
 721                         break;
 722
 723                 default:
 724                         break;
 725         }
 726
 727         if (w == nullptr) return ES_NOT_HANDLED;
 728         return w->OnHotkey(hotkey);
 729 }
 730
 731 static EventState RoadToolbarGlobalHotkeys(int hotkey)
 732 {
 733         extern RoadType _last_built_roadtype;
 734         return RoadTramToolbarGlobalHotkeys(hotkey, _last_built_roadtype, RTT_ROAD);
 735 }
 736
 737 static EventState TramToolbarGlobalHotkeys(int hotkey)
 738 {
 739         extern RoadType _last_built_tramtype;
 740         return RoadTramToolbarGlobalHotkeys(hotkey, _last_built_tramtype, RTT_TRAM);
 741 }
 742
 743 static Hotkey roadtoolbar_hotkeys[] = {
 744         Hotkey('1', "build_x", WID_ROT_ROAD_X),
 745         Hotkey('2', "build_y", WID_ROT_ROAD_Y),
 746         Hotkey('3', "autoroad", WID_ROT_AUTOROAD),
 747         Hotkey('4', "demolish", WID_ROT_DEMOLISH),
 748         Hotkey('5', "depot", WID_ROT_DEPOT),
 749         Hotkey('6', "bus_station", WID_ROT_BUS_STATION),
 750         Hotkey('7', "truck_station", WID_ROT_TRUCK_STATION),
 751         Hotkey('8', "oneway", WID_ROT_ONE_WAY),
 752         Hotkey('B', "bridge", WID_ROT_BUILD_BRIDGE),
 753         Hotkey('T', "tunnel", WID_ROT_BUILD_TUNNEL),
 754         Hotkey('R', "remove", WID_ROT_REMOVE),
 755         Hotkey('C', "convert", WID_ROT_CONVERT_ROAD),
 756         HOTKEY_LIST_END
 757 };
 758 HotkeyList BuildRoadToolbarWindow::road_hotkeys("roadtoolbar", roadtoolbar_hotkeys, RoadToolbarGlobalHotkeys);
 759
 760 static Hotkey tramtoolbar_hotkeys[] = {
 761         Hotkey('1', "build_x", WID_ROT_ROAD_X),
 762         Hotkey('2', "build_y", WID_ROT_ROAD_Y),
 763         Hotkey('3', "autoroad", WID_ROT_AUTOROAD),
 764         Hotkey('4', "demolish", WID_ROT_DEMOLISH),
 765         Hotkey('5', "depot", WID_ROT_DEPOT),
 766         Hotkey('6', "bus_station", WID_ROT_BUS_STATION),
 767         Hotkey('7', "truck_station", WID_ROT_TRUCK_STATION),
 768         Hotkey('B', "bridge", WID_ROT_BUILD_BRIDGE),
 769         Hotkey('T', "tunnel", WID_ROT_BUILD_TUNNEL),
 770         Hotkey('R', "remove", WID_ROT_REMOVE),
 771         Hotkey('C', "convert", WID_ROT_CONVERT_ROAD),
 772         HOTKEY_LIST_END
 773 };
 774 HotkeyList BuildRoadToolbarWindow::tram_hotkeys("tramtoolbar", tramtoolbar_hotkeys, TramToolbarGlobalHotkeys);
 775
 776
 777 static const NWidgetPart _nested_build_road_widgets[] = {
 778         NWidget(NWID_HORIZONTAL),
 779                 NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
 780                 NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_ROT_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 781                 NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
 782         EndContainer(),
 783         NWidget(NWID_HORIZONTAL),
 784                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_X),
 785                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_X_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
 786                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_Y),
 787                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_Y_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
 788                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_AUTOROAD),
 789                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTOROAD, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_AUTOROAD),
 790                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEMOLISH),
 791                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
 792                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEPOT),
 793                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_DEPOT, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_VEHICLE_DEPOT),
 794                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUS_STATION),
 795                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_BUS_STATION, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_BUS_STATION),
 796                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_TRUCK_STATION),
 797                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRUCK_BAY, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRUCK_LOADING_BAY),
 798                 NWidget(WWT_PANEL, COLOUR_DARK_GREEN, -1), SetMinimalSize(0, 22), SetFill(1, 1), EndContainer(),
 799                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ONE_WAY),
 800                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_ONE_WAY, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_ONE_WAY_ROAD),
 801                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_BRIDGE),
 802                                                 SetFill(0, 1), SetMinimalSize(43, 22), SetDataTip(SPR_IMG_BRIDGE, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_BRIDGE),
 803                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_TUNNEL),
 804                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_TUNNEL, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_TUNNEL),
 805                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_REMOVE),
 806                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR_ROAD),
 807                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_CONVERT_ROAD),
 808                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_ROAD, STR_ROAD_TOOLBAR_TOOLTIP_CONVERT_ROAD),
 809         EndContainer(),
 810 };
 811
 812 static WindowDesc _build_road_desc(
 813         WDP_ALIGN_TOOLBAR, "toolbar_road", 0, 0,
 814         WC_BUILD_TOOLBAR, WC_NONE,
 815         WDF_CONSTRUCTION,
 816         _nested_build_road_widgets, lengthof(_nested_build_road_widgets),
 817         &BuildRoadToolbarWindow::road_hotkeys
 818 );
 819
 820 static const NWidgetPart _nested_build_tramway_widgets[] = {
 821         NWidget(NWID_HORIZONTAL),
 822                 NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
 823                 NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_ROT_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 824                 NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
 825         EndContainer(),
 826         NWidget(NWID_HORIZONTAL),
 827                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_X),
 828                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRAMWAY_X_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_SECTION),
 829                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_Y),
 830                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRAMWAY_Y_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_SECTION),
 831                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_AUTOROAD),
 832                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTOTRAM, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_AUTOTRAM),
 833                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEMOLISH),
 834                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
 835                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEPOT),
 836                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_DEPOT, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAM_VEHICLE_DEPOT),
 837                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUS_STATION),
 838                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_BUS_STATION, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_PASSENGER_TRAM_STATION),
 839                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_TRUCK_STATION),
 840                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRUCK_BAY, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_CARGO_TRAM_STATION),
 841                 NWidget(WWT_PANEL, COLOUR_DARK_GREEN, -1), SetMinimalSize(0, 22), SetFill(1, 1), EndContainer(),
 842                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_BRIDGE),
 843                                                 SetFill(0, 1), SetMinimalSize(43, 22), SetDataTip(SPR_IMG_BRIDGE, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_BRIDGE),
 844                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_TUNNEL),
 845                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_TUNNEL, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_TUNNEL),
 846                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_REMOVE),
 847                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR_TRAMWAYS),
 848                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_CONVERT_ROAD),
 849                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_ROAD, STR_ROAD_TOOLBAR_TOOLTIP_CONVERT_TRAM),
 850         EndContainer(),
 851 };
 852
 853 static WindowDesc _build_tramway_desc(
 854         WDP_ALIGN_TOOLBAR, "toolbar_tramway", 0, 0,
 855         WC_BUILD_TOOLBAR, WC_NONE,
 856         WDF_CONSTRUCTION,
 857         _nested_build_tramway_widgets, lengthof(_nested_build_tramway_widgets),
 858         &BuildRoadToolbarWindow::tram_hotkeys
 859 );
 860
 861 /**
 862  * Open the build road toolbar window
 863  *
 864  * If the terraform toolbar is linked to the toolbar, that window is also opened.
 865  *
 866  * @return newly opened road toolbar, or nullptr if the toolbar could not be opened.
 867  */
 868 Window *ShowBuildRoadToolbar(RoadType roadtype)
 869 {
 870         if (!Company::IsValidID(_local_company)) return nullptr;
 871         if (!ValParamRoadType(roadtype)) return nullptr;
 872
 873         DeleteWindowByClass(WC_BUILD_TOOLBAR);
 874         _cur_roadtype = roadtype;
 875
 876         return AllocateWindowDescFront<BuildRoadToolbarWindow>(RoadTypeIsRoad(_cur_roadtype) ? &_build_road_desc : &_build_tramway_desc, TRANSPORT_ROAD);
 877 }
 878
 879 static const NWidgetPart _nested_build_road_scen_widgets[] = {
 880         NWidget(NWID_HORIZONTAL),
 881                 NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
 882                 NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_ROT_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 883                 NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
 884         EndContainer(),
 885         NWidget(NWID_HORIZONTAL),
 886                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_X),
 887                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_X_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
 888                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_Y),
 889                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_Y_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
 890                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_AUTOROAD),
 891                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTOROAD, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_AUTOROAD),
 892                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEMOLISH),
 893                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
 894                 NWidget(WWT_PANEL, COLOUR_DARK_GREEN, -1), SetMinimalSize(0, 22), SetFill(1, 1), EndContainer(),
 895                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ONE_WAY),
 896                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_ONE_WAY, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_ONE_WAY_ROAD),
 897                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_BRIDGE),
 898                                                 SetFill(0, 1), SetMinimalSize(43, 22), SetDataTip(SPR_IMG_BRIDGE, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_BRIDGE),
 899                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_TUNNEL),
 900                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_TUNNEL, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_TUNNEL),
 901                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_REMOVE),
 902                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR_ROAD),
 903                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_CONVERT_ROAD),
 904                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_ROAD, STR_ROAD_TOOLBAR_TOOLTIP_CONVERT_ROAD),
 905         EndContainer(),
 906 };
 907
 908 static WindowDesc _build_road_scen_desc(
 909         WDP_AUTO, "toolbar_road_scen", 0, 0,
 910         WC_SCEN_BUILD_TOOLBAR, WC_NONE,
 911         WDF_CONSTRUCTION,
 912         _nested_build_road_scen_widgets, lengthof(_nested_build_road_scen_widgets),
 913         &BuildRoadToolbarWindow::road_hotkeys
 914 );
 915
 916 static const NWidgetPart _nested_build_tramway_scen_widgets[] = {
 917         NWidget(NWID_HORIZONTAL),
 918                 NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
 919                 NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_ROT_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 920                 NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
 921         EndContainer(),
 922         NWidget(NWID_HORIZONTAL),
 923                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_X),
 924                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRAMWAY_X_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_SECTION),
 925                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_Y),
 926                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRAMWAY_Y_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_SECTION),
 927                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_AUTOROAD),
 928                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTOTRAM, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_AUTOTRAM),
 929                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEMOLISH),
 930                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
 931                 NWidget(WWT_PANEL, COLOUR_DARK_GREEN, -1), SetMinimalSize(0, 22), SetFill(1, 1), EndContainer(),
 932                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_BRIDGE),
 933                                                 SetFill(0, 1), SetMinimalSize(43, 22), SetDataTip(SPR_IMG_BRIDGE, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_BRIDGE),
 934                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_TUNNEL),
 935                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_TUNNEL, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_TUNNEL),
 936                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_REMOVE),
 937                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR_TRAMWAYS),
 938                 NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_CONVERT_ROAD),
 939                                                 SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_ROAD, STR_ROAD_TOOLBAR_TOOLTIP_CONVERT_TRAM),
 940         EndContainer(),
 941 };
 942
 943 static WindowDesc _build_tramway_scen_desc(
 944         WDP_AUTO, "toolbar_tram_scen", 0, 0,
 945         WC_SCEN_BUILD_TOOLBAR, WC_NONE,
 946         WDF_CONSTRUCTION,
 947         _nested_build_tramway_scen_widgets, lengthof(_nested_build_tramway_scen_widgets),
 948         &BuildRoadToolbarWindow::tram_hotkeys
 949 );
 950
 951 /**
 952  * Show the road building toolbar in the scenario editor.
 953  * @return The just opened toolbar, or \c nullptr if the toolbar was already open.
 954  */
 955 Window *ShowBuildRoadScenToolbar(RoadType roadtype)
 956 {
 957         DeleteWindowById(WC_SCEN_BUILD_TOOLBAR, TRANSPORT_ROAD);
 958         _cur_roadtype = roadtype;
 959
 960         return AllocateWindowDescFront<BuildRoadToolbarWindow>(RoadTypeIsRoad(_cur_roadtype) ? &_build_road_scen_desc : &_build_tramway_scen_desc, TRANSPORT_ROAD);
 961 }
 962
 963 struct BuildRoadDepotWindow : public PickerWindowBase {
 964         BuildRoadDepotWindow(WindowDesc *desc, Window *parent) : PickerWindowBase(desc, parent)
 965         {
 966                 this->CreateNestedTree();
 967
 968                 this->LowerWidget(_road_depot_orientation + WID_BROD_DEPOT_NE);
 969                 if (RoadTypeIsTram(_cur_roadtype)) {
 970                         this->GetWidget<NWidgetCore>(WID_BROD_CAPTION)->widget_data = STR_BUILD_DEPOT_TRAM_ORIENTATION_CAPTION;
 971                         for (int i = WID_BROD_DEPOT_NE; i <= WID_BROD_DEPOT_NW; i++) this->GetWidget<NWidgetCore>(i)->tool_tip = STR_BUILD_DEPOT_TRAM_ORIENTATION_SELECT_TOOLTIP;
 972                 }
 973
 974                 this->FinishInitNested(TRANSPORT_ROAD);
 975         }
 976
 977         void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
 978         {
 979                 if (!IsInsideMM(widget, WID_BROD_DEPOT_NE, WID_BROD_DEPOT_NW + 1)) return;
 980
 981                 size->width  = ScaleGUITrad(64) + 2;
 982                 size->height = ScaleGUITrad(48) + 2;
 983         }
 984
 985         void DrawWidget(const Rect &r, int widget) const override
 986         {
 987                 if (!IsInsideMM(widget, WID_BROD_DEPOT_NE, WID_BROD_DEPOT_NW + 1)) return;
 988
 989                 DrawRoadDepotSprite(r.left + 1 + ScaleGUITrad(31), r.bottom - ScaleGUITrad(31), (DiagDirection)(widget - WID_BROD_DEPOT_NE + DIAGDIR_NE), _cur_roadtype);
 990         }
 991
 992         void OnClick(Point pt, int widget, int click_count) override
 993         {
 994                 switch (widget) {
 995                         case WID_BROD_DEPOT_NW:
 996                         case WID_BROD_DEPOT_NE:
 997                         case WID_BROD_DEPOT_SW:
 998                         case WID_BROD_DEPOT_SE:
 999                                 this->RaiseWidget(_road_depot_orientation + WID_BROD_DEPOT_NE);
1000                                 _road_depot_orientation = (DiagDirection)(widget - WID_BROD_DEPOT_NE);
1001                                 this->LowerWidget(_road_depot_orientation + WID_BROD_DEPOT_NE);
1002                                 if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
1003                                 this->SetDirty();
1004                                 break;
1005
1006                         default:
1007                                 break;
1008                 }
1009         }
1010 };
1011
1012 static const NWidgetPart _nested_build_road_depot_widgets[] = {
1013         NWidget(NWID_HORIZONTAL),
1014                 NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
1015                 NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_BROD_CAPTION), SetDataTip(STR_BUILD_DEPOT_ROAD_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
1016         EndContainer(),
1017         NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
1018                 NWidget(NWID_SPACER), SetMinimalSize(0, 3),
1019                 NWidget(NWID_HORIZONTAL_LTR),
1020                         NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
1021                         NWidget(NWID_VERTICAL),
1022                                 NWidget(WWT_PANEL, COLOUR_GREY, WID_BROD_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
1023                                 EndContainer(),
1024                                 NWidget(NWID_SPACER), SetMinimalSize(0, 2),
1025                                 NWidget(WWT_PANEL, COLOUR_GREY, WID_BROD_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
1026                                 EndContainer(),
1027                         EndContainer(),
1028                         NWidget(NWID_SPACER), SetMinimalSize(2, 0),
1029                         NWidget(NWID_VERTICAL),
1030                                 NWidget(WWT_PANEL, COLOUR_GREY, WID_BROD_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
1031                                 EndContainer(),
1032                                 NWidget(NWID_SPACER), SetMinimalSize(0, 2),
1033                                 NWidget(WWT_PANEL, COLOUR_GREY, WID_BROD_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
1034                                 EndContainer(),
1035                         EndContainer(),
1036                         NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
1037                 EndContainer(),
1038                 NWidget(NWID_SPACER), SetMinimalSize(0, 3),
1039         EndContainer(),
1040 };
1041
1042 static WindowDesc _build_road_depot_desc(
1043         WDP_AUTO, nullptr, 0, 0,
1044         WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
1045         WDF_CONSTRUCTION,
1046         _nested_build_road_depot_widgets, lengthof(_nested_build_road_depot_widgets)
1047 );
1048
1049 static void ShowRoadDepotPicker(Window *parent)
1050 {
1051         new BuildRoadDepotWindow(&_build_road_depot_desc, parent);
1052 }
1053
1054 struct BuildRoadStationWindow : public PickerWindowBase {
1055         BuildRoadStationWindow(WindowDesc *desc, Window *parent, RoadStopType rs) : PickerWindowBase(desc, parent)
1056         {
1057                 this->CreateNestedTree();
1058
1059                 /* Trams don't have non-drivethrough stations */
1060                 if (RoadTypeIsTram(_cur_roadtype) && _road_station_picker_orientation < DIAGDIR_END) {
1061                         _road_station_picker_orientation = DIAGDIR_END;
1062                 }
1063                 const RoadTypeInfo *rti = GetRoadTypeInfo(_cur_roadtype);
1064                 this->GetWidget<NWidgetCore>(WID_BROS_CAPTION)->widget_data = rti->strings.picker_title[rs];
1065
1066                 for (uint i = RoadTypeIsTram(_cur_roadtype) ? WID_BROS_STATION_X : WID_BROS_STATION_NE; i < WID_BROS_LT_OFF; i++) {
1067                         this->GetWidget<NWidgetCore>(i)->tool_tip = rti->strings.picker_tooltip[rs];
1068                 }
1069
1070                 this->LowerWidget(_road_station_picker_orientation + WID_BROS_STATION_NE);
1071                 this->LowerWidget(_settings_client.gui.station_show_coverage + WID_BROS_LT_OFF);
1072
1073                 this->FinishInitNested(TRANSPORT_ROAD);
1074
1075                 this->window_class = (rs == ROADSTOP_BUS) ? WC_BUS_STATION : WC_TRUCK_STATION;
1076         }
1077
1078         virtual ~BuildRoadStationWindow()
1079         {
1080                 DeleteWindowById(WC_SELECT_STATION, 0);
1081         }
1082
1083         void OnPaint() override
1084         {
1085                 this->DrawWidgets();
1086
1087                 int rad = _settings_game.station.modified_catchment ? ((this->window_class == WC_BUS_STATION) ? CA_BUS : CA_TRUCK) : CA_UNMODIFIED;
1088                 if (_settings_client.gui.station_show_coverage) {
1089                         SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
1090                 } else {
1091                         SetTileSelectSize(1, 1);
1092                 }
1093
1094                 /* 'Accepts' and 'Supplies' texts. */
1095                 StationCoverageType sct = (this->window_class == WC_BUS_STATION) ? SCT_PASSENGERS_ONLY : SCT_NON_PASSENGERS_ONLY;
1096                 int top = this->GetWidget<NWidgetBase>(WID_BROS_LT_ON)->pos_y + this->GetWidget<NWidgetBase>(WID_BROS_LT_ON)->current_y + WD_PAR_VSEP_NORMAL;
1097                 NWidgetBase *back_nwi = this->GetWidget<NWidgetBase>(WID_BROS_BACKGROUND);
1098                 int right = back_nwi->pos_x +  back_nwi->current_x;
1099                 int bottom = back_nwi->pos_y +  back_nwi->current_y;
1100                 top = DrawStationCoverageAreaText(back_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, sct, rad, false) + WD_PAR_VSEP_NORMAL;
1101                 top = DrawStationCoverageAreaText(back_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, sct, rad, true) + WD_PAR_VSEP_NORMAL;
1102                 /* Resize background if the window is too small.
1103                  * Never make the window smaller to avoid oscillating if the size change affects the acceptance.
1104                  * (This is the case, if making the window bigger moves the mouse into the window.) */
1105                 if (top > bottom) {
1106                         ResizeWindow(this, 0, top - bottom, false);
1107                 }
1108         }
1109
1110         void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
1111         {
1112                 if (!IsInsideMM(widget, WID_BROS_STATION_NE, WID_BROS_STATION_Y + 1)) return;
1113
1114                 size->width  = ScaleGUITrad(64) + 2;
1115                 size->height = ScaleGUITrad(48) + 2;
1116         }
1117
1118         void DrawWidget(const Rect &r, int widget) const override
1119         {
1120                 if (!IsInsideMM(widget, WID_BROS_STATION_NE, WID_BROS_STATION_Y + 1)) return;
1121
1122                 StationType st = (this->window_class == WC_BUS_STATION) ? STATION_BUS : STATION_TRUCK;
1123                 StationPickerDrawSprite(r.left + 1 + ScaleGUITrad(31), r.bottom - ScaleGUITrad(31), st, INVALID_RAILTYPE, _cur_roadtype, widget - WID_BROS_STATION_NE);
1124         }
1125
1126         void OnClick(Point pt, int widget, int click_count) override
1127         {
1128                 switch (widget) {
1129                         case WID_BROS_STATION_NE:
1130                         case WID_BROS_STATION_SE:
1131                         case WID_BROS_STATION_SW:
1132                         case WID_BROS_STATION_NW:
1133                         case WID_BROS_STATION_X:
1134                         case WID_BROS_STATION_Y:
1135                                 this->RaiseWidget(_road_station_picker_orientation + WID_BROS_STATION_NE);
1136                                 _road_station_picker_orientation = (DiagDirection)(widget - WID_BROS_STATION_NE);
1137                                 this->LowerWidget(_road_station_picker_orientation + WID_BROS_STATION_NE);
1138                                 if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
1139                                 this->SetDirty();
1140                                 DeleteWindowById(WC_SELECT_STATION, 0);
1141                                 break;
1142
1143                         case WID_BROS_LT_OFF:
1144                         case WID_BROS_LT_ON:
1145                                 this->RaiseWidget(_settings_client.gui.station_show_coverage + WID_BROS_LT_OFF);
1146                                 _settings_client.gui.station_show_coverage = (widget != WID_BROS_LT_OFF);
1147                                 this->LowerWidget(_settings_client.gui.station_show_coverage + WID_BROS_LT_OFF);
1148                                 if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
1149                                 this->SetDirty();
1150                                 break;
1151
1152                         default:
1153                                 break;
1154                 }
1155         }
1156
1157         void OnRealtimeTick(uint delta_ms) override
1158         {
1159                 CheckRedrawStationCoverage(this);
1160         }
1161 };
1162
1163 /** Widget definition of the build road station window */
1164 static const NWidgetPart _nested_road_station_picker_widgets[] = {
1165         NWidget(NWID_HORIZONTAL),
1166                 NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
1167                 NWidget(WWT_CAPTION,  COLOUR_DARK_GREEN, WID_BROS_CAPTION),
1168         EndContainer(),
1169         NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BROS_BACKGROUND),
1170                 NWidget(NWID_SPACER), SetMinimalSize(0, 3),
1171                 NWidget(NWID_HORIZONTAL), SetPIP(0, 2, 0),
1172                         NWidget(NWID_SPACER), SetFill(1, 0),
1173                         NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_NW), SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
1174                         NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_NE), SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
1175                         NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_X),  SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
1176                         NWidget(NWID_SPACER), SetFill(1, 0),
1177                 EndContainer(),
1178                 NWidget(NWID_SPACER), SetMinimalSize(0, 2),
1179                 NWidget(NWID_HORIZONTAL), SetPIP(0, 2, 0),
1180                         NWidget(NWID_SPACER), SetFill(1, 0),
1181                         NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_SW), SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
1182                         NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_SE), SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
1183                         NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_Y),  SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
1184                         NWidget(NWID_SPACER), SetFill(1, 0),
1185                 EndContainer(),
1186                 NWidget(NWID_SPACER), SetMinimalSize(0, 1),
1187                 NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
1188                         NWidget(WWT_LABEL, COLOUR_DARK_GREEN, WID_BROS_INFO), SetMinimalSize(140, 14), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL),
1189                         NWidget(NWID_SPACER), SetFill(1, 0),
1190                 EndContainer(),
1191                 NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
1192                         NWidget(NWID_SPACER), SetFill(1, 0),
1193                         NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROS_LT_OFF), SetMinimalSize(60, 12),
1194                                                                                         SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
1195                         NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROS_LT_ON), SetMinimalSize(60, 12),
1196                                                                                         SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
1197                         NWidget(NWID_SPACER), SetFill(1, 0),
1198                 EndContainer(),
1199                 NWidget(NWID_SPACER), SetMinimalSize(0, 10), SetResize(0, 1),
1200         EndContainer(),
1201 };
1202
1203 static WindowDesc _road_station_picker_desc(
1204         WDP_AUTO, nullptr, 0, 0,
1205         WC_BUS_STATION, WC_BUILD_TOOLBAR,
1206         WDF_CONSTRUCTION,
1207         _nested_road_station_picker_widgets, lengthof(_nested_road_station_picker_widgets)
1208 );
1209
1210 /** Widget definition of the build tram station window */
1211 static const NWidgetPart _nested_tram_station_picker_widgets[] = {
1212         NWidget(NWID_HORIZONTAL),
1213                 NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
1214                 NWidget(WWT_CAPTION,  COLOUR_DARK_GREEN, WID_BROS_CAPTION),
1215         EndContainer(),
1216         NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BROS_BACKGROUND),
1217                 NWidget(NWID_SPACER), SetMinimalSize(0, 3),
1218                 NWidget(NWID_HORIZONTAL), SetPIP(0, 2, 0),
1219                         NWidget(NWID_SPACER), SetFill(1, 0),
1220                         NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_X),  SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
1221                         NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_Y),  SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
1222                         NWidget(NWID_SPACER), SetFill(1, 0),
1223                 EndContainer(),
1224                 NWidget(NWID_SPACER), SetMinimalSize(0, 1),
1225                 NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
1226                         NWidget(WWT_LABEL, COLOUR_DARK_GREEN, WID_BROS_INFO), SetMinimalSize(140, 14), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL),
1227                         NWidget(NWID_SPACER), SetFill(1, 0),
1228                 EndContainer(),
1229                 NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
1230                         NWidget(NWID_SPACER), SetFill(1, 0),
1231                         NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROS_LT_OFF), SetMinimalSize(60, 12),
1232                                                                                         SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
1233                         NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROS_LT_ON), SetMinimalSize(60, 12),
1234                                                                                         SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
1235                         NWidget(NWID_SPACER), SetFill(1, 0),
1236                 EndContainer(),
1237                 NWidget(NWID_SPACER), SetMinimalSize(0, 10), SetResize(0, 1),
1238         EndContainer(),
1239 };
1240
1241 static WindowDesc _tram_station_picker_desc(
1242         WDP_AUTO, nullptr, 0, 0,
1243         WC_BUS_STATION, WC_BUILD_TOOLBAR,
1244         WDF_CONSTRUCTION,
1245         _nested_tram_station_picker_widgets, lengthof(_nested_tram_station_picker_widgets)
1246 );
1247
1248 static void ShowRVStationPicker(Window *parent, RoadStopType rs)
1249 {
1250         new BuildRoadStationWindow(RoadTypeIsRoad(_cur_roadtype) ? &_road_station_picker_desc : &_tram_station_picker_desc, parent, rs);
1251 }
1252
1253 void InitializeRoadGui()
1254 {
1255         _road_depot_orientation = DIAGDIR_NW;
1256         _road_station_picker_orientation = DIAGDIR_NW;
1257 }
1258
1259 /**
1260  * I really don't know why rail_gui.cpp has this too, shouldn't be included in the other one?
1261  */
1262 void InitializeRoadGUI()
1263 {
1264         BuildRoadToolbarWindow *w = dynamic_cast<BuildRoadToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_ROAD));
1265         if (w != nullptr) w->ModifyRoadType(_cur_roadtype);
1266 }
1267
1268 DropDownList GetRoadTypeDropDownList(RoadTramTypes rtts, bool for_replacement, bool all_option)
1269 {
1270         RoadTypes used_roadtypes;
1271         RoadTypes avail_roadtypes;
1272
1273         const Company *c = Company::Get(_local_company);
1274
1275         /* Find the used roadtypes. */
1276         if (for_replacement) {
1277                 avail_roadtypes = GetCompanyRoadTypes(c->index, false);
1278                 used_roadtypes  = GetRoadTypes(false);
1279         } else {
1280                 avail_roadtypes = c->avail_roadtypes;
1281                 used_roadtypes  = GetRoadTypes(true);
1282         }
1283
1284         /* Filter listed road types */
1285         if (!HasBit(rtts, RTT_ROAD)) used_roadtypes &= _roadtypes_type;
1286         if (!HasBit(rtts, RTT_TRAM)) used_roadtypes &= ~_roadtypes_type;
1287
1288         DropDownList list;
1289
1290         if (all_option) {
1291                 list.emplace_back(new DropDownListStringItem(STR_REPLACE_ALL_ROADTYPE, INVALID_ROADTYPE, false));
1292         }
1293
1294         Dimension d = { 0, 0 };
1295         RoadType rt;
1296         /* Get largest icon size, to ensure text is aligned on each menu item. */
1297         if (!for_replacement) {
1298                 FOR_ALL_SORTED_ROADTYPES(rt) {
1299                         if (!HasBit(used_roadtypes, rt)) continue;
1300                         const RoadTypeInfo *rti = GetRoadTypeInfo(rt);
1301                         d = maxdim(d, GetSpriteSize(rti->gui_sprites.build_x_road));
1302                 }
1303         }
1304
1305         FOR_ALL_SORTED_ROADTYPES(rt) {
1306                 /* If it's not used ever, don't show it to the user. */
1307                 if (!HasBit(used_roadtypes, rt)) continue;
1308
1309                 const RoadTypeInfo *rti = GetRoadTypeInfo(rt);
1310
1311                 DropDownListParamStringItem *item;
1312                 if (for_replacement) {
1313                         item = new DropDownListParamStringItem(rti->strings.replace_text, rt, !HasBit(avail_roadtypes, rt));
1314                 } else {
1315                         StringID str = rti->max_speed > 0 ? STR_TOOLBAR_RAILTYPE_VELOCITY : STR_JUST_STRING;
1316                         DropDownListIconItem *iconitem = new DropDownListIconItem(rti->gui_sprites.build_x_road, PAL_NONE, str, rt, !HasBit(avail_roadtypes, rt));
1317                         iconitem->SetDimension(d);
1318                         item = iconitem;
1319                 }
1320                 item->SetParam(0, rti->strings.menu_text);
1321                 item->SetParam(1, rti->max_speed / 2);
1322                 list.emplace_back(item);
1323         }
1324
1325         if (list.size() == 0) {
1326                 /* Empty dropdowns are not allowed */
1327                 list.emplace_back(new DropDownListStringItem(STR_NONE, INVALID_ROADTYPE, true));
1328         }
1329
1330         return list;
1331 }
1332
1333 DropDownList GetScenRoadTypeDropDownList(RoadTramTypes rtts)
1334 {
1335         RoadTypes avail_roadtypes = GetRoadTypes(false);
1336         avail_roadtypes = AddDateIntroducedRoadTypes(avail_roadtypes, _date);
1337         RoadTypes used_roadtypes = GetRoadTypes(true);
1338
1339         /* Filter listed road types */
1340         if (!HasBit(rtts, RTT_ROAD)) used_roadtypes &= _roadtypes_type;
1341         if (!HasBit(rtts, RTT_TRAM)) used_roadtypes &= ~_roadtypes_type;
1342
1343         DropDownList list;
1344
1345         /* If it's not used ever, don't show it to the user. */
1346         Dimension d = { 0, 0 };
1347         RoadType rt;
1348         FOR_ALL_SORTED_ROADTYPES(rt) {
1349                 if (!HasBit(used_roadtypes, rt)) continue;
1350                 const RoadTypeInfo *rti = GetRoadTypeInfo(rt);
1351                 d = maxdim(d, GetSpriteSize(rti->gui_sprites.build_x_road));
1352         }
1353         FOR_ALL_SORTED_ROADTYPES(rt) {
1354                 if (!HasBit(used_roadtypes, rt)) continue;
1355
1356                 const RoadTypeInfo *rti = GetRoadTypeInfo(rt);
1357
1358                 StringID str = rti->max_speed > 0 ? STR_TOOLBAR_RAILTYPE_VELOCITY : STR_JUST_STRING;
1359                 DropDownListIconItem *item = new DropDownListIconItem(rti->gui_sprites.build_x_road, PAL_NONE, str, rt, !HasBit(avail_roadtypes, rt));
1360                 item->SetDimension(d);
1361                 item->SetParam(0, rti->strings.menu_text);
1362                 item->SetParam(1, rti->max_speed / 2);
1363                 list.emplace_back(item);
1364         }
1365
1366         if (list.size() == 0) {
1367                 /* Empty dropdowns are not allowed */
1368                 list.emplace_back(new DropDownListStringItem(STR_NONE, -1, true));
1369         }
1370
1371         return list;
1372 }