road_gui.cpp

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/*
 * This file is part of OpenTTD.
 * 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.
 * 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.
 * 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/>.
 */
 
#include "stdafx.h"
#include "gui.h"
#include "window_gui.h"
#include "station_gui.h"
#include "terraform_gui.h"
#include "viewport_func.h"
#include "command_func.h"
#include "road_cmd.h"
#include "station_func.h"
#include "window_func.h"
#include "vehicle_func.h"
#include "sound_func.h"
#include "company_func.h"
#include "tunnelbridge.h"
#include "tunnelbridge_map.h"
#include "tilehighlight_func.h"
#include "company_base.h"
#include "hotkeys.h"
#include "road_gui.h"
#include "zoom_func.h"
#include "engine_base.h"
#include "strings_func.h"
#include "core/geometry_func.hpp"
#include "station_cmd.h"
#include "road_cmd.h"
#include "tunnelbridge_cmd.h"
#include "newgrf_roadstop.h"
#include "querystring_gui.h"
#include "sortlist_type.h"
#include "stringfilter_type.h"
#include "string_func.h"
#include "timer/timer.h"
#include "timer/timer_game_calendar.h"
 
#include "widgets/road_widget.h"
 
#include "table/strings.h"
 
#include "safeguards.h"
 
static void ShowRVStationPicker(Window *parent, RoadStopType rs);
static void ShowRoadDepotPicker(Window *parent);
 
static bool _remove_button_clicked;
static bool _one_way_button_clicked;
 
static Axis _place_road_dir;
static bool _place_road_start_half_x;
static bool _place_road_start_half_y;
static bool _place_road_end_half;
 
static RoadType _cur_roadtype;
 
static DiagDirection _road_depot_orientation;
 
struct RoadStopGUISettings {
  DiagDirection orientation;
 
  RoadStopClassID roadstop_class;
  uint16_t roadstop_type;
  uint16_t roadstop_count;
};
static RoadStopGUISettings _roadstop_gui_settings;
 
static bool IsRoadStopAvailable(const RoadStopSpec *roadstopspec, StationType type)
{
  if (roadstopspec == nullptr) return true;
 
  if (HasBit(roadstopspec->flags, RSF_BUILD_MENU_ROAD_ONLY) && !RoadTypeIsRoad(_cur_roadtype)) return false;
  if (HasBit(roadstopspec->flags, RSF_BUILD_MENU_TRAM_ONLY) && !RoadTypeIsTram(_cur_roadtype)) return false;
 
  if (roadstopspec->stop_type != ROADSTOPTYPE_ALL) {
    switch (type) {
      case STATION_BUS:   if (roadstopspec->stop_type != ROADSTOPTYPE_PASSENGER) return false; break;
      case STATION_TRUCK: if (roadstopspec->stop_type != ROADSTOPTYPE_FREIGHT)   return false; break;
      default: break;
    }
  }
 
  if (!HasBit(roadstopspec->callback_mask, CBM_ROAD_STOP_AVAIL)) return true;
 
  uint16_t cb_res = GetRoadStopCallback(CBID_STATION_AVAILABILITY, 0, 0, roadstopspec, nullptr, INVALID_TILE, _cur_roadtype, type, 0);
  if (cb_res == CALLBACK_FAILED) return true;
 
  return Convert8bitBooleanCallback(roadstopspec->grf_prop.grffile, CBID_STATION_AVAILABILITY, cb_res);
}
 
void CcPlaySound_CONSTRUCTION_OTHER(Commands, const CommandCost &result, TileIndex tile)
{
  if (result.Succeeded() && _settings_client.sound.confirm) SndPlayTileFx(SND_1F_CONSTRUCTION_OTHER, tile);
}
 
static void PlaceRoad_Bridge(TileIndex tile, Window *w)
{
  if (IsBridgeTile(tile)) {
    TileIndex other_tile = GetOtherTunnelBridgeEnd(tile);
    Point pt = {0, 0};
    w->OnPlaceMouseUp(VPM_X_OR_Y, DDSP_BUILD_BRIDGE, pt, other_tile, tile);
  } else {
    VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_BUILD_BRIDGE);
  }
}
 
void CcBuildRoadTunnel(Commands, const CommandCost &result, TileIndex start_tile)
{
  if (result.Succeeded()) {
    if (_settings_client.sound.confirm) SndPlayTileFx(SND_1F_CONSTRUCTION_OTHER, start_tile);
    if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
 
    DiagDirection start_direction = ReverseDiagDir(GetTunnelBridgeDirection(start_tile));
    ConnectRoadToStructure(start_tile, start_direction);
 
    TileIndex end_tile = GetOtherTunnelBridgeEnd(start_tile);
    DiagDirection end_direction = ReverseDiagDir(GetTunnelBridgeDirection(end_tile));
    ConnectRoadToStructure(end_tile, end_direction);
  } else {
    SetRedErrorSquare(_build_tunnel_endtile);
  }
}
 
void ConnectRoadToStructure(TileIndex tile, DiagDirection direction)
{
  tile += TileOffsByDiagDir(direction);
  /* if there is a roadpiece just outside of the station entrance, build a connecting route */
  if (IsNormalRoadTile(tile)) {
    if (GetRoadBits(tile, GetRoadTramType(_cur_roadtype)) != ROAD_NONE) {
      Command<CMD_BUILD_ROAD>::Post(tile, DiagDirToRoadBits(ReverseDiagDir(direction)), _cur_roadtype, DRD_NONE, 0);
    }
  }
}
 
void CcRoadDepot(Commands, const CommandCost &result, TileIndex tile, RoadType, DiagDirection dir)
{
  if (result.Failed()) return;
 
  if (_settings_client.sound.confirm) SndPlayTileFx(SND_1F_CONSTRUCTION_OTHER, tile);
  if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
  ConnectRoadToStructure(tile, dir);
}
 
void CcRoadStop(Commands, const CommandCost &result, TileIndex tile, uint8_t width, uint8_t length, RoadStopType, bool is_drive_through,
    DiagDirection dir, RoadType, RoadStopClassID spec_class, uint16_t spec_index, StationID, bool)
{
  if (result.Failed()) return;
 
  if (_settings_client.sound.confirm) SndPlayTileFx(SND_1F_CONSTRUCTION_OTHER, tile);
  if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
 
  bool connect_to_road = true;
  if ((uint)spec_class < RoadStopClass::GetClassCount() && spec_index < RoadStopClass::Get(spec_class)->GetSpecCount()) {
    const RoadStopSpec *roadstopspec = RoadStopClass::Get(spec_class)->GetSpec(spec_index);
    if (roadstopspec != nullptr && HasBit(roadstopspec->flags, RSF_NO_AUTO_ROAD_CONNECTION)) connect_to_road = false;
  }
 
  if (connect_to_road) {
    TileArea roadstop_area(tile, width, length);
    for (TileIndex cur_tile : roadstop_area) {
      ConnectRoadToStructure(cur_tile, dir);
      /* For a drive-through road stop build connecting road for other entrance. */
      if (is_drive_through) ConnectRoadToStructure(cur_tile, ReverseDiagDir(dir));
    }
  }
}
 
static void PlaceRoadStop(TileIndex start_tile, TileIndex end_tile, RoadStopType stop_type, bool adjacent, RoadType rt, StringID err_msg)
{
  TileArea ta(start_tile, end_tile);
  DiagDirection ddir = _roadstop_gui_settings.orientation;
  bool drive_through = ddir >= DIAGDIR_END;
  if (drive_through) ddir = static_cast<DiagDirection>(ddir - DIAGDIR_END); // Adjust picker result to actual direction.
  RoadStopClassID spec_class = _roadstop_gui_settings.roadstop_class;
  uint16_t spec_index = _roadstop_gui_settings.roadstop_type;
 
  auto proc = [=](bool test, StationID to_join) -> bool {
    if (test) {
      return Command<CMD_BUILD_ROAD_STOP>::Do(CommandFlagsToDCFlags(GetCommandFlags<CMD_BUILD_ROAD_STOP>()), ta.tile, ta.w, ta.h, stop_type, drive_through,
          ddir, rt, spec_class, spec_index, INVALID_STATION, adjacent).Succeeded();
    } else {
      return Command<CMD_BUILD_ROAD_STOP>::Post(err_msg, CcRoadStop, ta.tile, ta.w, ta.h, stop_type, drive_through,
          ddir, rt, spec_class, spec_index, to_join, adjacent);
    }
  };
 
  ShowSelectStationIfNeeded(ta, proc);
}
 
static void PlaceRoad_BusStation(TileIndex tile)
{
  if (_remove_button_clicked) {
    VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_BUSSTOP);
  } else {
    if (_roadstop_gui_settings.orientation < DIAGDIR_END) { // Not a drive-through stop.
      VpStartPlaceSizing(tile, (DiagDirToAxis(_roadstop_gui_settings.orientation) == AXIS_X) ? VPM_X_LIMITED : VPM_Y_LIMITED, DDSP_BUILD_BUSSTOP);
    } else {
      VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_BUILD_BUSSTOP);
    }
    VpSetPlaceSizingLimit(_settings_game.station.station_spread);
  }
}
 
static void PlaceRoad_TruckStation(TileIndex tile)
{
  if (_remove_button_clicked) {
    VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_TRUCKSTOP);
  } else {
    if (_roadstop_gui_settings.orientation < DIAGDIR_END) { // Not a drive-through stop.
      VpStartPlaceSizing(tile, (DiagDirToAxis(_roadstop_gui_settings.orientation) == AXIS_X) ? VPM_X_LIMITED : VPM_Y_LIMITED, DDSP_BUILD_TRUCKSTOP);
    } else {
      VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_BUILD_TRUCKSTOP);
    }
    VpSetPlaceSizingLimit(_settings_game.station.station_spread);
  }
}
 
typedef void OnButtonClick(Window *w);
 
static void ToggleRoadButton_Remove(Window *w)
{
  w->ToggleWidgetLoweredState(WID_ROT_REMOVE);
  w->SetWidgetDirty(WID_ROT_REMOVE);
  _remove_button_clicked = w->IsWidgetLowered(WID_ROT_REMOVE);
  SetSelectionRed(_remove_button_clicked);
}
 
static bool RoadToolbar_CtrlChanged(Window *w)
{
  if (w->IsWidgetDisabled(WID_ROT_REMOVE)) return false;
 
  /* allow ctrl to switch remove mode only for these widgets */
  for (WidgetID i = WID_ROT_ROAD_X; i <= WID_ROT_AUTOROAD; i++) {
    if (w->IsWidgetLowered(i)) {
      ToggleRoadButton_Remove(w);
      return true;
    }
  }
 
  return false;
}
 
struct BuildRoadToolbarWindow : Window {
  RoadType roadtype;          
  const RoadTypeInfo *rti;    
  int last_started_action;    
 
  BuildRoadToolbarWindow(WindowDesc *desc, WindowNumber window_number) : Window(desc)
  {
    this->Initialize(_cur_roadtype);
    this->InitNested(window_number);
    this->SetupRoadToolbar();
    this->SetWidgetDisabledState(WID_ROT_REMOVE, true);
 
    if (RoadTypeIsRoad(this->roadtype)) {
      this->SetWidgetDisabledState(WID_ROT_ONE_WAY, true);
    }
 
    this->OnInvalidateData();
    this->last_started_action = INVALID_WID_ROT;
 
    if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
  }
 
  void Close([[maybe_unused]] int data = 0) override
  {
    if (_game_mode == GM_NORMAL && (this->IsWidgetLowered(WID_ROT_BUS_STATION) || this->IsWidgetLowered(WID_ROT_TRUCK_STATION))) SetViewportCatchmentStation(nullptr, true);
    if (_settings_client.gui.link_terraform_toolbar) CloseWindowById(WC_SCEN_LAND_GEN, 0, false);
    this->Window::Close();
  }
 
  void OnInvalidateData([[maybe_unused]] int data = 0, [[maybe_unused]] bool gui_scope = true) override
  {
    if (!gui_scope) return;
    RoadTramType rtt = GetRoadTramType(this->roadtype);
 
    bool can_build = CanBuildVehicleInfrastructure(VEH_ROAD, rtt);
    this->SetWidgetsDisabledState(!can_build,
      WID_ROT_DEPOT,
      WID_ROT_BUS_STATION,
      WID_ROT_TRUCK_STATION);
    if (!can_build) {
      CloseWindowById(WC_BUS_STATION, TRANSPORT_ROAD);
      CloseWindowById(WC_TRUCK_STATION, TRANSPORT_ROAD);
      CloseWindowById(WC_BUILD_DEPOT, TRANSPORT_ROAD);
    }
 
    if (_game_mode != GM_EDITOR) {
      if (!can_build) {
        /* Show in the tooltip why this button is disabled. */
        this->GetWidget<NWidgetCore>(WID_ROT_DEPOT)->SetToolTip(STR_TOOLBAR_DISABLED_NO_VEHICLE_AVAILABLE);
        this->GetWidget<NWidgetCore>(WID_ROT_BUS_STATION)->SetToolTip(STR_TOOLBAR_DISABLED_NO_VEHICLE_AVAILABLE);
        this->GetWidget<NWidgetCore>(WID_ROT_TRUCK_STATION)->SetToolTip(STR_TOOLBAR_DISABLED_NO_VEHICLE_AVAILABLE);
      } else {
        this->GetWidget<NWidgetCore>(WID_ROT_DEPOT)->SetToolTip(rtt == RTT_ROAD ? STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_VEHICLE_DEPOT : STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAM_VEHICLE_DEPOT);
        this->GetWidget<NWidgetCore>(WID_ROT_BUS_STATION)->SetToolTip(rtt == RTT_ROAD ? STR_ROAD_TOOLBAR_TOOLTIP_BUILD_BUS_STATION : STR_ROAD_TOOLBAR_TOOLTIP_BUILD_PASSENGER_TRAM_STATION);
        this->GetWidget<NWidgetCore>(WID_ROT_TRUCK_STATION)->SetToolTip(rtt == RTT_ROAD ? STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRUCK_LOADING_BAY : STR_ROAD_TOOLBAR_TOOLTIP_BUILD_CARGO_TRAM_STATION);
      }
    }
  }
 
  void Initialize(RoadType roadtype)
  {
    assert(roadtype < ROADTYPE_END);
    this->roadtype = roadtype;
    this->rti = GetRoadTypeInfo(this->roadtype);
  }
 
  void SetupRoadToolbar()
  {
    this->GetWidget<NWidgetCore>(WID_ROT_ROAD_X)->widget_data = rti->gui_sprites.build_x_road;
    this->GetWidget<NWidgetCore>(WID_ROT_ROAD_Y)->widget_data = rti->gui_sprites.build_y_road;
    this->GetWidget<NWidgetCore>(WID_ROT_AUTOROAD)->widget_data = rti->gui_sprites.auto_road;
    if (_game_mode != GM_EDITOR) {
      this->GetWidget<NWidgetCore>(WID_ROT_DEPOT)->widget_data = rti->gui_sprites.build_depot;
    }
    this->GetWidget<NWidgetCore>(WID_ROT_CONVERT_ROAD)->widget_data = rti->gui_sprites.convert_road;
    this->GetWidget<NWidgetCore>(WID_ROT_BUILD_TUNNEL)->widget_data = rti->gui_sprites.build_tunnel;
  }
 
  void ModifyRoadType(RoadType roadtype)
  {
    this->Initialize(roadtype);
    this->SetupRoadToolbar();
    this->ReInit();
  }
 
  void SetStringParameters(WidgetID widget) const override
  {
    if (widget == WID_ROT_CAPTION) {
      if (this->rti->max_speed > 0) {
        SetDParam(0, STR_TOOLBAR_RAILTYPE_VELOCITY);
        SetDParam(1, this->rti->strings.toolbar_caption);
        SetDParam(2, PackVelocity(this->rti->max_speed / 2, VEH_ROAD));
      } else {
        SetDParam(0, this->rti->strings.toolbar_caption);
      }
    }
  }
 
  void UpdateOptionWidgetStatus(RoadToolbarWidgets clicked_widget)
  {
    /* The remove and the one way button state is driven
     * by the other buttons so they don't act on themselves.
     * Both are only valid if they are able to apply as options. */
    switch (clicked_widget) {
      case WID_ROT_REMOVE:
        if (RoadTypeIsRoad(this->roadtype)) {
          this->RaiseWidget(WID_ROT_ONE_WAY);
          this->SetWidgetDirty(WID_ROT_ONE_WAY);
        }
 
        break;
 
      case WID_ROT_ONE_WAY:
        this->RaiseWidget(WID_ROT_REMOVE);
        this->SetWidgetDirty(WID_ROT_REMOVE);
        break;
 
      case WID_ROT_BUS_STATION:
      case WID_ROT_TRUCK_STATION:
        if (RoadTypeIsRoad(this->roadtype)) this->DisableWidget(WID_ROT_ONE_WAY);
        this->SetWidgetDisabledState(WID_ROT_REMOVE, !this->IsWidgetLowered(clicked_widget));
        break;
 
      case WID_ROT_ROAD_X:
      case WID_ROT_ROAD_Y:
      case WID_ROT_AUTOROAD:
        this->SetWidgetDisabledState(WID_ROT_REMOVE, !this->IsWidgetLowered(clicked_widget));
        if (RoadTypeIsRoad(this->roadtype)) {
          this->SetWidgetDisabledState(WID_ROT_ONE_WAY, !this->IsWidgetLowered(clicked_widget));
        }
        break;
 
      default:
        /* When any other buttons than road/station, raise and
         * disable the removal button */
        this->SetWidgetDisabledState(WID_ROT_REMOVE, true);
        this->SetWidgetLoweredState(WID_ROT_REMOVE, false);
 
        if (RoadTypeIsRoad(this->roadtype)) {
          this->SetWidgetDisabledState(WID_ROT_ONE_WAY, true);
          this->SetWidgetLoweredState(WID_ROT_ONE_WAY, false);
        }
 
        break;
    }
  }
 
  void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
  {
    _remove_button_clicked = false;
    _one_way_button_clicked = false;
    switch (widget) {
      case WID_ROT_ROAD_X:
        HandlePlacePushButton(this, WID_ROT_ROAD_X, this->rti->cursor.road_nwse, HT_RECT);
        this->last_started_action = widget;
        break;
 
      case WID_ROT_ROAD_Y:
        HandlePlacePushButton(this, WID_ROT_ROAD_Y, this->rti->cursor.road_swne, HT_RECT);
        this->last_started_action = widget;
        break;
 
      case WID_ROT_AUTOROAD:
        HandlePlacePushButton(this, WID_ROT_AUTOROAD, this->rti->cursor.autoroad, HT_RECT);
        this->last_started_action = widget;
        break;
 
      case WID_ROT_DEMOLISH:
        HandlePlacePushButton(this, WID_ROT_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
        this->last_started_action = widget;
        break;
 
      case WID_ROT_DEPOT:
        if (HandlePlacePushButton(this, WID_ROT_DEPOT, this->rti->cursor.depot, HT_RECT)) {
          ShowRoadDepotPicker(this);
          this->last_started_action = widget;
        }
        break;
 
      case WID_ROT_BUS_STATION:
        if (HandlePlacePushButton(this, WID_ROT_BUS_STATION, SPR_CURSOR_BUS_STATION, HT_RECT)) {
          ShowRVStationPicker(this, ROADSTOP_BUS);
          this->last_started_action = widget;
        }
        break;
 
      case WID_ROT_TRUCK_STATION:
        if (HandlePlacePushButton(this, WID_ROT_TRUCK_STATION, SPR_CURSOR_TRUCK_STATION, HT_RECT)) {
          ShowRVStationPicker(this, ROADSTOP_TRUCK);
          this->last_started_action = widget;
        }
        break;
 
      case WID_ROT_ONE_WAY:
        if (this->IsWidgetDisabled(WID_ROT_ONE_WAY)) return;
        this->SetDirty();
        this->ToggleWidgetLoweredState(WID_ROT_ONE_WAY);
        SetSelectionRed(false);
        break;
 
      case WID_ROT_BUILD_BRIDGE:
        HandlePlacePushButton(this, WID_ROT_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT);
        this->last_started_action = widget;
        break;
 
      case WID_ROT_BUILD_TUNNEL:
        HandlePlacePushButton(this, WID_ROT_BUILD_TUNNEL, this->rti->cursor.tunnel, HT_SPECIAL);
        this->last_started_action = widget;
        break;
 
      case WID_ROT_REMOVE:
        if (this->IsWidgetDisabled(WID_ROT_REMOVE)) return;
 
        CloseWindowById(WC_SELECT_STATION, 0);
        ToggleRoadButton_Remove(this);
        if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
        break;
 
      case WID_ROT_CONVERT_ROAD:
        HandlePlacePushButton(this, WID_ROT_CONVERT_ROAD, this->rti->cursor.convert_road, HT_RECT);
        this->last_started_action = widget;
        break;
 
      default: NOT_REACHED();
    }
    this->UpdateOptionWidgetStatus((RoadToolbarWidgets)widget);
    if (_ctrl_pressed) RoadToolbar_CtrlChanged(this);
  }
 
  EventState OnHotkey(int hotkey) override
  {
    MarkTileDirtyByTile(TileVirtXY(_thd.pos.x, _thd.pos.y)); // redraw tile selection
    return Window::OnHotkey(hotkey);
  }
 
  void OnPlaceObject([[maybe_unused]] Point pt, TileIndex tile) override
  {
    _remove_button_clicked = this->IsWidgetLowered(WID_ROT_REMOVE);
    _one_way_button_clicked = RoadTypeIsRoad(this->roadtype) ? this->IsWidgetLowered(WID_ROT_ONE_WAY) : false;
    switch (this->last_started_action) {
      case WID_ROT_ROAD_X:
        _place_road_dir = AXIS_X;
        _place_road_start_half_x = _tile_fract_coords.x >= 8;
        VpStartPlaceSizing(tile, VPM_FIX_Y, DDSP_PLACE_ROAD_X_DIR);
        break;
 
      case WID_ROT_ROAD_Y:
        _place_road_dir = AXIS_Y;
        _place_road_start_half_y = _tile_fract_coords.y >= 8;
        VpStartPlaceSizing(tile, VPM_FIX_X, DDSP_PLACE_ROAD_Y_DIR);
        break;
 
      case WID_ROT_AUTOROAD:
        _place_road_dir = INVALID_AXIS;
        _place_road_start_half_x = _tile_fract_coords.x >= 8;
        _place_road_start_half_y = _tile_fract_coords.y >= 8;
        VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_PLACE_AUTOROAD);
        break;
 
      case WID_ROT_DEMOLISH:
        PlaceProc_DemolishArea(tile);
        break;
 
      case WID_ROT_DEPOT:
        Command<CMD_BUILD_ROAD_DEPOT>::Post(this->rti->strings.err_depot, CcRoadDepot,
            tile, _cur_roadtype, _road_depot_orientation);
        break;
 
      case WID_ROT_BUS_STATION:
        PlaceRoad_BusStation(tile);
        break;
 
      case WID_ROT_TRUCK_STATION:
        PlaceRoad_TruckStation(tile);
        break;
 
      case WID_ROT_BUILD_BRIDGE:
        PlaceRoad_Bridge(tile, this);
        break;
 
      case WID_ROT_BUILD_TUNNEL:
        Command<CMD_BUILD_TUNNEL>::Post(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE, CcBuildRoadTunnel,
            tile, TRANSPORT_ROAD, _cur_roadtype);
        break;
 
      case WID_ROT_CONVERT_ROAD:
        VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CONVERT_ROAD);
        break;
 
      default: NOT_REACHED();
    }
  }
 
  void OnPlaceObjectAbort() override
  {
    if (_game_mode != GM_EDITOR && (this->IsWidgetLowered(WID_ROT_BUS_STATION) || this->IsWidgetLowered(WID_ROT_TRUCK_STATION))) SetViewportCatchmentStation(nullptr, true);
 
    this->RaiseButtons();
    this->SetWidgetDisabledState(WID_ROT_REMOVE, true);
    this->SetWidgetDirty(WID_ROT_REMOVE);
 
    if (RoadTypeIsRoad(this->roadtype)) {
      this->SetWidgetDisabledState(WID_ROT_ONE_WAY, true);
      this->SetWidgetDirty(WID_ROT_ONE_WAY);
    }
 
    CloseWindowById(WC_BUS_STATION, TRANSPORT_ROAD);
    CloseWindowById(WC_TRUCK_STATION, TRANSPORT_ROAD);
    CloseWindowById(WC_BUILD_DEPOT, TRANSPORT_ROAD);
    CloseWindowById(WC_SELECT_STATION, 0);
    CloseWindowByClass(WC_BUILD_BRIDGE);
  }
 
  void OnPlaceDrag(ViewportPlaceMethod select_method, [[maybe_unused]] ViewportDragDropSelectionProcess select_proc, [[maybe_unused]] Point pt) override
  {
    /* Here we update the end tile flags
     * of the road placement actions.
     * At first we reset the end halfroad
     * bits and if needed we set them again. */
    switch (select_proc) {
      case DDSP_PLACE_ROAD_X_DIR:
        _place_road_end_half = pt.x & 8;
        break;
 
      case DDSP_PLACE_ROAD_Y_DIR:
        _place_road_end_half = pt.y & 8;
        break;
 
      case DDSP_PLACE_AUTOROAD:
        /* For autoroad we need to update the
         * direction of the road */
        if (_thd.size.x > _thd.size.y || (_thd.size.x == _thd.size.y &&
            ( (_tile_fract_coords.x < _tile_fract_coords.y && (_tile_fract_coords.x + _tile_fract_coords.y) < 16) ||
            (_tile_fract_coords.x > _tile_fract_coords.y && (_tile_fract_coords.x + _tile_fract_coords.y) > 16) ))) {
          /* Set dir = X */
          _place_road_dir = AXIS_X;
          _place_road_end_half = pt.x & 8;
        } else {
          /* Set dir = Y */
          _place_road_dir = AXIS_Y;
          _place_road_end_half = pt.y & 8;
        }
 
        break;
 
      default:
        break;
    }
 
    VpSelectTilesWithMethod(pt.x, pt.y, select_method);
  }
 
  void OnPlaceMouseUp([[maybe_unused]] ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, [[maybe_unused]] Point pt, TileIndex start_tile, TileIndex end_tile) override
  {
    if (pt.x != -1) {
      switch (select_proc) {
        default: NOT_REACHED();
        case DDSP_BUILD_BRIDGE:
          if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
          ShowBuildBridgeWindow(start_tile, end_tile, TRANSPORT_ROAD, _cur_roadtype);
          break;
 
        case DDSP_DEMOLISH_AREA:
          GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
          break;
 
        case DDSP_PLACE_ROAD_X_DIR:
        case DDSP_PLACE_ROAD_Y_DIR:
        case DDSP_PLACE_AUTOROAD: {
          bool start_half = _place_road_dir == AXIS_Y ? _place_road_start_half_y : _place_road_start_half_x;
 
          if (_remove_button_clicked) {
            Command<CMD_REMOVE_LONG_ROAD>::Post(this->rti->strings.err_remove_road, CcPlaySound_CONSTRUCTION_OTHER,
                end_tile, start_tile, _cur_roadtype, _place_road_dir, start_half, _place_road_end_half);
          } else {
            Command<CMD_BUILD_LONG_ROAD>::Post(this->rti->strings.err_build_road, CcPlaySound_CONSTRUCTION_OTHER,
                end_tile, start_tile, _cur_roadtype, _place_road_dir, _one_way_button_clicked ? DRD_NORTHBOUND : DRD_NONE, start_half, _place_road_end_half, false);
          }
          break;
        }
 
        case DDSP_BUILD_BUSSTOP:
        case DDSP_REMOVE_BUSSTOP:
          if (this->IsWidgetLowered(WID_ROT_BUS_STATION) && GetIfClassHasNewStopsByType(RoadStopClass::Get(_roadstop_gui_settings.roadstop_class), ROADSTOP_BUS, _cur_roadtype)) {
            if (_remove_button_clicked) {
              TileArea ta(start_tile, end_tile);
              Command<CMD_REMOVE_ROAD_STOP>::Post(this->rti->strings.err_remove_station[ROADSTOP_BUS], CcPlaySound_CONSTRUCTION_OTHER, ta.tile, ta.w, ta.h, ROADSTOP_BUS, _ctrl_pressed);
            } else {
              PlaceRoadStop(start_tile, end_tile, ROADSTOP_BUS, _ctrl_pressed, _cur_roadtype, this->rti->strings.err_build_station[ROADSTOP_BUS]);
            }
          }
          break;
 
        case DDSP_BUILD_TRUCKSTOP:
        case DDSP_REMOVE_TRUCKSTOP:
          if (this->IsWidgetLowered(WID_ROT_TRUCK_STATION) && GetIfClassHasNewStopsByType(RoadStopClass::Get(_roadstop_gui_settings.roadstop_class), ROADSTOP_TRUCK, _cur_roadtype)) {
            if (_remove_button_clicked) {
              TileArea ta(start_tile, end_tile);
              Command<CMD_REMOVE_ROAD_STOP>::Post(this->rti->strings.err_remove_station[ROADSTOP_TRUCK], CcPlaySound_CONSTRUCTION_OTHER, ta.tile, ta.w, ta.h, ROADSTOP_TRUCK, _ctrl_pressed);
            } else {
              PlaceRoadStop(start_tile, end_tile, ROADSTOP_TRUCK, _ctrl_pressed, _cur_roadtype, this->rti->strings.err_build_station[ROADSTOP_TRUCK]);
            }
          }
          break;
 
        case DDSP_CONVERT_ROAD:
          Command<CMD_CONVERT_ROAD>::Post(rti->strings.err_convert_road, CcPlaySound_CONSTRUCTION_OTHER, end_tile, start_tile, _cur_roadtype);
          break;
      }
    }
  }
 
  void OnPlacePresize([[maybe_unused]] Point pt, TileIndex tile) override
  {
    Command<CMD_BUILD_TUNNEL>::Do(DC_AUTO, tile, TRANSPORT_ROAD, _cur_roadtype);
    VpSetPresizeRange(tile, _build_tunnel_endtile == 0 ? tile : _build_tunnel_endtile);
  }
 
  EventState OnCTRLStateChange() override
  {
    if (RoadToolbar_CtrlChanged(this)) return ES_HANDLED;
    return ES_NOT_HANDLED;
  }
 
  static EventState RoadTramToolbarGlobalHotkeys(int hotkey, RoadType last_build, RoadTramType rtt)
  {
    Window *w = nullptr;
    switch (_game_mode) {
      case GM_NORMAL:
        w = ShowBuildRoadToolbar(last_build);
        break;
 
      case GM_EDITOR:
        if ((GetRoadTypes(true) & ((rtt == RTT_ROAD) ? ~_roadtypes_type : _roadtypes_type)) == ROADTYPES_NONE) return ES_NOT_HANDLED;
        w = ShowBuildRoadScenToolbar(last_build);
        break;
 
      default:
        break;
    }
 
    if (w == nullptr) return ES_NOT_HANDLED;
    return w->OnHotkey(hotkey);
  }
 
  static EventState RoadToolbarGlobalHotkeys(int hotkey)
  {
    extern RoadType _last_built_roadtype;
    return RoadTramToolbarGlobalHotkeys(hotkey, _last_built_roadtype, RTT_ROAD);
  }
 
  static EventState TramToolbarGlobalHotkeys(int hotkey)
  {
    extern RoadType _last_built_tramtype;
    return RoadTramToolbarGlobalHotkeys(hotkey, _last_built_tramtype, RTT_TRAM);
  }
 
  static inline HotkeyList road_hotkeys{"roadtoolbar", {
    Hotkey('1', "build_x", WID_ROT_ROAD_X),
    Hotkey('2', "build_y", WID_ROT_ROAD_Y),
    Hotkey('3', "autoroad", WID_ROT_AUTOROAD),
    Hotkey('4', "demolish", WID_ROT_DEMOLISH),
    Hotkey('5', "depot", WID_ROT_DEPOT),
    Hotkey('6', "bus_station", WID_ROT_BUS_STATION),
    Hotkey('7', "truck_station", WID_ROT_TRUCK_STATION),
    Hotkey('8', "oneway", WID_ROT_ONE_WAY),
    Hotkey('B', "bridge", WID_ROT_BUILD_BRIDGE),
    Hotkey('T', "tunnel", WID_ROT_BUILD_TUNNEL),
    Hotkey('R', "remove", WID_ROT_REMOVE),
    Hotkey('C', "convert", WID_ROT_CONVERT_ROAD),
  }, RoadToolbarGlobalHotkeys};
 
  static inline HotkeyList tram_hotkeys{"tramtoolbar", {
    Hotkey('1', "build_x", WID_ROT_ROAD_X),
    Hotkey('2', "build_y", WID_ROT_ROAD_Y),
    Hotkey('3', "autoroad", WID_ROT_AUTOROAD),
    Hotkey('4', "demolish", WID_ROT_DEMOLISH),
    Hotkey('5', "depot", WID_ROT_DEPOT),
    Hotkey('6', "bus_station", WID_ROT_BUS_STATION),
    Hotkey('7', "truck_station", WID_ROT_TRUCK_STATION),
    Hotkey('B', "bridge", WID_ROT_BUILD_BRIDGE),
    Hotkey('T', "tunnel", WID_ROT_BUILD_TUNNEL),
    Hotkey('R', "remove", WID_ROT_REMOVE),
    Hotkey('C', "convert", WID_ROT_CONVERT_ROAD),
  }, TramToolbarGlobalHotkeys};
};
 
static constexpr NWidgetPart _nested_build_road_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
    NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_ROT_CAPTION), SetDataTip(STR_JUST_STRING2, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS), SetTextStyle(TC_WHITE),
    NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
  EndContainer(),
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_X),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_X_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_Y),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_Y_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_AUTOROAD),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTOROAD, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_AUTOROAD),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEMOLISH),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEPOT),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_DEPOT, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_VEHICLE_DEPOT),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUS_STATION),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_BUS_STATION, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_BUS_STATION),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_TRUCK_STATION),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRUCK_BAY, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRUCK_LOADING_BAY),
    NWidget(WWT_PANEL, COLOUR_DARK_GREEN, -1), SetMinimalSize(0, 22), SetFill(1, 1), EndContainer(),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ONE_WAY),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_ONE_WAY, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_ONE_WAY_ROAD),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_BRIDGE),
            SetFill(0, 1), SetMinimalSize(43, 22), SetDataTip(SPR_IMG_BRIDGE, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_BRIDGE),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_TUNNEL),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_TUNNEL, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_TUNNEL),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_REMOVE),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR_ROAD),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_CONVERT_ROAD),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_ROAD, STR_ROAD_TOOLBAR_TOOLTIP_CONVERT_ROAD),
  EndContainer(),
};
 
static WindowDesc _build_road_desc(__FILE__, __LINE__,
  WDP_ALIGN_TOOLBAR, "toolbar_road", 0, 0,
  WC_BUILD_TOOLBAR, WC_NONE,
  WDF_CONSTRUCTION,
  std::begin(_nested_build_road_widgets), std::end(_nested_build_road_widgets),
  &BuildRoadToolbarWindow::road_hotkeys
);
 
static constexpr NWidgetPart _nested_build_tramway_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
    NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_ROT_CAPTION), SetDataTip(STR_JUST_STRING2, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS), SetTextStyle(TC_WHITE),
    NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
  EndContainer(),
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_X),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRAMWAY_X_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_SECTION),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_Y),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRAMWAY_Y_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_SECTION),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_AUTOROAD),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTOTRAM, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_AUTOTRAM),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEMOLISH),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEPOT),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_DEPOT, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAM_VEHICLE_DEPOT),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUS_STATION),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_BUS_STATION, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_PASSENGER_TRAM_STATION),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_TRUCK_STATION),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRUCK_BAY, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_CARGO_TRAM_STATION),
    NWidget(WWT_PANEL, COLOUR_DARK_GREEN, -1), SetMinimalSize(0, 22), SetFill(1, 1), EndContainer(),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_BRIDGE),
            SetFill(0, 1), SetMinimalSize(43, 22), SetDataTip(SPR_IMG_BRIDGE, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_BRIDGE),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_TUNNEL),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_TUNNEL, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_TUNNEL),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_REMOVE),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR_TRAMWAYS),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_CONVERT_ROAD),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_ROAD, STR_ROAD_TOOLBAR_TOOLTIP_CONVERT_TRAM),
  EndContainer(),
};
 
static WindowDesc _build_tramway_desc(__FILE__, __LINE__,
  WDP_ALIGN_TOOLBAR, "toolbar_tramway", 0, 0,
  WC_BUILD_TOOLBAR, WC_NONE,
  WDF_CONSTRUCTION,
  std::begin(_nested_build_tramway_widgets), std::end(_nested_build_tramway_widgets),
  &BuildRoadToolbarWindow::tram_hotkeys
);
 
Window *ShowBuildRoadToolbar(RoadType roadtype)
{
  if (!Company::IsValidID(_local_company)) return nullptr;
  if (!ValParamRoadType(roadtype)) return nullptr;
 
  CloseWindowByClass(WC_BUILD_TOOLBAR);
  _cur_roadtype = roadtype;
 
  return AllocateWindowDescFront<BuildRoadToolbarWindow>(RoadTypeIsRoad(_cur_roadtype) ? &_build_road_desc : &_build_tramway_desc, TRANSPORT_ROAD);
}
 
static constexpr NWidgetPart _nested_build_road_scen_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
    NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_ROT_CAPTION), SetDataTip(STR_JUST_STRING2, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS), SetTextStyle(TC_WHITE),
    NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
  EndContainer(),
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_X),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_X_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_Y),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_Y_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_AUTOROAD),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTOROAD, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_AUTOROAD),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEMOLISH),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
    NWidget(WWT_PANEL, COLOUR_DARK_GREEN, -1), SetMinimalSize(0, 22), SetFill(1, 1), EndContainer(),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ONE_WAY),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_ONE_WAY, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_ONE_WAY_ROAD),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_BRIDGE),
            SetFill(0, 1), SetMinimalSize(43, 22), SetDataTip(SPR_IMG_BRIDGE, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_BRIDGE),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_TUNNEL),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_TUNNEL, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_TUNNEL),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_REMOVE),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR_ROAD),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_CONVERT_ROAD),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_ROAD, STR_ROAD_TOOLBAR_TOOLTIP_CONVERT_ROAD),
  EndContainer(),
};
 
static WindowDesc _build_road_scen_desc(__FILE__, __LINE__,
  WDP_AUTO, "toolbar_road_scen", 0, 0,
  WC_SCEN_BUILD_TOOLBAR, WC_NONE,
  WDF_CONSTRUCTION,
  std::begin(_nested_build_road_scen_widgets), std::end(_nested_build_road_scen_widgets),
  &BuildRoadToolbarWindow::road_hotkeys
);
 
static constexpr NWidgetPart _nested_build_tramway_scen_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
    NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_ROT_CAPTION), SetDataTip(STR_JUST_STRING2, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS), SetTextStyle(TC_WHITE),
    NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
  EndContainer(),
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_X),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRAMWAY_X_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_SECTION),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_Y),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRAMWAY_Y_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_SECTION),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_AUTOROAD),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTOTRAM, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_AUTOTRAM),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEMOLISH),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
    NWidget(WWT_PANEL, COLOUR_DARK_GREEN, -1), SetMinimalSize(0, 22), SetFill(1, 1), EndContainer(),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_BRIDGE),
            SetFill(0, 1), SetMinimalSize(43, 22), SetDataTip(SPR_IMG_BRIDGE, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_BRIDGE),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_TUNNEL),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_TUNNEL, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_TUNNEL),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_REMOVE),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR_TRAMWAYS),
    NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_CONVERT_ROAD),
            SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_ROAD, STR_ROAD_TOOLBAR_TOOLTIP_CONVERT_TRAM),
  EndContainer(),
};
 
static WindowDesc _build_tramway_scen_desc(__FILE__, __LINE__,
  WDP_AUTO, "toolbar_tram_scen", 0, 0,
  WC_SCEN_BUILD_TOOLBAR, WC_NONE,
  WDF_CONSTRUCTION,
  std::begin(_nested_build_tramway_scen_widgets), std::end(_nested_build_tramway_scen_widgets),
  &BuildRoadToolbarWindow::tram_hotkeys
);
 
Window *ShowBuildRoadScenToolbar(RoadType roadtype)
{
  CloseWindowById(WC_SCEN_BUILD_TOOLBAR, TRANSPORT_ROAD);
  _cur_roadtype = roadtype;
 
  return AllocateWindowDescFront<BuildRoadToolbarWindow>(RoadTypeIsRoad(_cur_roadtype) ? &_build_road_scen_desc : &_build_tramway_scen_desc, TRANSPORT_ROAD);
}
 
struct BuildRoadDepotWindow : public PickerWindowBase {
  BuildRoadDepotWindow(WindowDesc *desc, Window *parent) : PickerWindowBase(desc, parent)
  {
    this->CreateNestedTree();
 
    this->LowerWidget(WID_BROD_DEPOT_NE + _road_depot_orientation);
    if (RoadTypeIsTram(_cur_roadtype)) {
      this->GetWidget<NWidgetCore>(WID_BROD_CAPTION)->widget_data = STR_BUILD_DEPOT_TRAM_ORIENTATION_CAPTION;
      for (WidgetID i = WID_BROD_DEPOT_NE; i <= WID_BROD_DEPOT_NW; i++) {
        this->GetWidget<NWidgetCore>(i)->tool_tip = STR_BUILD_DEPOT_TRAM_ORIENTATION_SELECT_TOOLTIP;
      }
    }
 
    this->FinishInitNested(TRANSPORT_ROAD);
  }
 
  void UpdateWidgetSize(WidgetID widget, Dimension *size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension *fill, [[maybe_unused]] Dimension *resize) override
  {
    if (!IsInsideMM(widget, WID_BROD_DEPOT_NE, WID_BROD_DEPOT_NW + 1)) return;
 
    size->width  = ScaleGUITrad(64) + WidgetDimensions::scaled.fullbevel.Horizontal();
    size->height = ScaleGUITrad(48) + WidgetDimensions::scaled.fullbevel.Vertical();
  }
 
  void DrawWidget(const Rect &r, WidgetID widget) const override
  {
    if (!IsInsideMM(widget, WID_BROD_DEPOT_NE, WID_BROD_DEPOT_NW + 1)) return;
 
    DrawPixelInfo tmp_dpi;
    Rect ir = r.Shrink(WidgetDimensions::scaled.bevel);
    if (FillDrawPixelInfo(&tmp_dpi, ir)) {
      AutoRestoreBackup dpi_backup(_cur_dpi, &tmp_dpi);
      int x = (ir.Width()  - ScaleSpriteTrad(64)) / 2 + ScaleSpriteTrad(31);
      int y = (ir.Height() + ScaleSpriteTrad(48)) / 2 - ScaleSpriteTrad(31);
      DrawRoadDepotSprite(x, y, (DiagDirection)(widget - WID_BROD_DEPOT_NE + DIAGDIR_NE), _cur_roadtype);
    }
  }
 
  void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
  {
    switch (widget) {
      case WID_BROD_DEPOT_NW:
      case WID_BROD_DEPOT_NE:
      case WID_BROD_DEPOT_SW:
      case WID_BROD_DEPOT_SE:
        this->RaiseWidget(WID_BROD_DEPOT_NE + _road_depot_orientation);
        _road_depot_orientation = (DiagDirection)(widget - WID_BROD_DEPOT_NE);
        this->LowerWidget(WID_BROD_DEPOT_NE + _road_depot_orientation);
        if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
        this->SetDirty();
        break;
 
      default:
        break;
    }
  }
};
 
static constexpr NWidgetPart _nested_build_road_depot_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
    NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_BROD_CAPTION), SetDataTip(STR_BUILD_DEPOT_ROAD_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
  EndContainer(),
  NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
    NWidget(NWID_HORIZONTAL_LTR), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0), SetPIPRatio(1, 0, 1), SetPadding(WidgetDimensions::unscaled.picker),
      NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_normal, 0),
        NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROD_DEPOT_NW), SetMinimalSize(66, 50), SetFill(0, 0), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
        NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROD_DEPOT_SW), SetMinimalSize(66, 50), SetFill(0, 0), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
      EndContainer(),
      NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_normal, 0),
        NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROD_DEPOT_NE), SetMinimalSize(66, 50), SetFill(0, 0), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
        NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROD_DEPOT_SE), SetMinimalSize(66, 50), SetFill(0, 0), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
      EndContainer(),
    EndContainer(),
  EndContainer(),
};
 
static WindowDesc _build_road_depot_desc(__FILE__, __LINE__,
  WDP_AUTO, nullptr, 0, 0,
  WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
  WDF_CONSTRUCTION,
  std::begin(_nested_build_road_depot_widgets), std::end(_nested_build_road_depot_widgets)
);
 
static void ShowRoadDepotPicker(Window *parent)
{
  new BuildRoadDepotWindow(&_build_road_depot_desc, parent);
}
 
enum BuildRoadStopHotkeys {
  BROSHK_FOCUS_FILTER_BOX, 
};
 
struct BuildRoadStationWindow : public PickerWindowBase {
private:
  RoadStopType roadStopType; 
  uint line_height; 
  uint coverage_height; 
  Scrollbar *vscrollList; 
  Scrollbar *vscrollMatrix; 
 
  typedef GUIList<RoadStopClassID, std::nullptr_t, StringFilter &> GUIRoadStopClassList; 
 
  static const uint EDITBOX_MAX_SIZE = 16; 
 
  static Listing   last_sorting;           
  static Filtering last_filtering;         
  static GUIRoadStopClassList::SortFunction * const sorter_funcs[];   
  static GUIRoadStopClassList::FilterFunction * const filter_funcs[]; 
  GUIRoadStopClassList roadstop_classes;   
  StringFilter string_filter;              
  QueryString filter_editbox;              
 
  void EnsureSelectedClassIsVisible()
  {
    uint pos = 0;
    for (auto rs_class : this->roadstop_classes) {
      if (rs_class == _roadstop_gui_settings.roadstop_class) break;
      pos++;
    }
    this->vscrollList->SetCount(this->roadstop_classes.size());
    this->vscrollList->ScrollTowards(pos);
  }
 
  void CheckOrientationValid()
  {
    if (_roadstop_gui_settings.orientation >= DIAGDIR_END) return;
    const RoadStopSpec *spec = RoadStopClass::Get(_roadstop_gui_settings.roadstop_class)->GetSpec(_roadstop_gui_settings.roadstop_type);
    if (spec != nullptr && HasBit(spec->flags, RSF_DRIVE_THROUGH_ONLY)) {
      this->RaiseWidget(WID_BROS_STATION_NE + _roadstop_gui_settings.orientation);
      _roadstop_gui_settings.orientation = DIAGDIR_END;
      this->LowerWidget(WID_BROS_STATION_NE + _roadstop_gui_settings.orientation);
      this->SetDirty();
      CloseWindowById(WC_SELECT_STATION, 0);
    }
  }
 
public:
  BuildRoadStationWindow(WindowDesc *desc, Window *parent, RoadStopType rs) : PickerWindowBase(desc, parent), filter_editbox(EDITBOX_MAX_SIZE * MAX_CHAR_LENGTH, EDITBOX_MAX_SIZE)
  {
    this->coverage_height = 2 * GetCharacterHeight(FS_NORMAL) + WidgetDimensions::scaled.vsep_normal;
    this->vscrollList = nullptr;
    this->vscrollMatrix = nullptr;
    this->roadStopType = rs;
    bool newstops = GetIfNewStopsByType(rs, _cur_roadtype);
 
    this->CreateNestedTree();
 
    /* Hide the station class filter if no stations other than the default one are available. */
    this->GetWidget<NWidgetStacked>(WID_BROS_SHOW_NEWST_DEFSIZE)->SetDisplayedPlane(newstops ? 0 : SZSP_NONE);
    this->GetWidget<NWidgetStacked>(WID_BROS_FILTER_CONTAINER)->SetDisplayedPlane(newstops ? 0 : SZSP_HORIZONTAL);
    this->GetWidget<NWidgetStacked>(WID_BROS_SHOW_NEWST_ADDITIONS)->SetDisplayedPlane(newstops ? 0 : SZSP_HORIZONTAL);
    this->GetWidget<NWidgetStacked>(WID_BROS_SHOW_NEWST_ORIENTATION)->SetDisplayedPlane(newstops ? 0 : SZSP_HORIZONTAL);
    this->GetWidget<NWidgetStacked>(WID_BROS_SHOW_NEWST_TYPE_SEL)->SetDisplayedPlane(newstops ? 0 : SZSP_HORIZONTAL);
    this->GetWidget<NWidgetStacked>(WID_BROS_SHOW_NEWST_MATRIX)->SetDisplayedPlane(newstops ? 0 : SZSP_NONE);
    this->GetWidget<NWidgetStacked>(WID_BROS_SHOW_NEWST_RESIZE)->SetDisplayedPlane(newstops ? 0 : SZSP_NONE);
    if (newstops) {
      this->vscrollList = this->GetScrollbar(WID_BROS_NEWST_SCROLL);
      this->vscrollMatrix = this->GetScrollbar(WID_BROS_MATRIX_SCROLL);
 
      this->querystrings[WID_BROS_FILTER_EDITBOX] = &this->filter_editbox;
      this->roadstop_classes.SetListing(this->last_sorting);
      this->roadstop_classes.SetFiltering(this->last_filtering);
      this->roadstop_classes.SetSortFuncs(this->sorter_funcs);
      this->roadstop_classes.SetFilterFuncs(this->filter_funcs);
    }
 
    this->roadstop_classes.ForceRebuild();
    BuildRoadStopClassesAvailable();
 
    /* Trams don't have non-drivethrough stations */
    if (RoadTypeIsTram(_cur_roadtype) && _roadstop_gui_settings.orientation < DIAGDIR_END) {
      _roadstop_gui_settings.orientation = DIAGDIR_END;
    }
    const RoadTypeInfo *rti = GetRoadTypeInfo(_cur_roadtype);
    this->GetWidget<NWidgetCore>(WID_BROS_CAPTION)->widget_data = rti->strings.picker_title[rs];
 
    for (WidgetID i = RoadTypeIsTram(_cur_roadtype) ? WID_BROS_STATION_X : WID_BROS_STATION_NE; i < WID_BROS_LT_OFF; i++) {
      this->GetWidget<NWidgetCore>(i)->tool_tip = rti->strings.picker_tooltip[rs];
    }
 
    this->LowerWidget(WID_BROS_STATION_NE + _roadstop_gui_settings.orientation);
    this->LowerWidget(WID_BROS_LT_OFF + _settings_client.gui.station_show_coverage);
 
    this->FinishInitNested(TRANSPORT_ROAD);
 
    this->window_class = (rs == ROADSTOP_BUS) ? WC_BUS_STATION : WC_TRUCK_STATION;
    if (!newstops || _roadstop_gui_settings.roadstop_class >= (int)RoadStopClass::GetClassCount()) {
      /* There's no new stops available or the list has reduced in size.
       * Now, set the default road stops as selected. */
      _roadstop_gui_settings.roadstop_class = ROADSTOP_CLASS_DFLT;
      _roadstop_gui_settings.roadstop_type = 0;
    }
    if (newstops) {
      /* The currently selected class doesn't have any stops for this RoadStopType, reset the selection. */
      if (!GetIfClassHasNewStopsByType(RoadStopClass::Get(_roadstop_gui_settings.roadstop_class), rs, _cur_roadtype)) {
        _roadstop_gui_settings.roadstop_class = ROADSTOP_CLASS_DFLT;
        _roadstop_gui_settings.roadstop_type = 0;
      }
      _roadstop_gui_settings.roadstop_count = RoadStopClass::Get(_roadstop_gui_settings.roadstop_class)->GetSpecCount();
      _roadstop_gui_settings.roadstop_type = std::min((int)_roadstop_gui_settings.roadstop_type, _roadstop_gui_settings.roadstop_count - 1);
 
      /* Reset back to default class if the previously selected class is not available for this road stop type. */
      if (!GetIfClassHasNewStopsByType(RoadStopClass::Get(_roadstop_gui_settings.roadstop_class), roadStopType, _cur_roadtype)) {
        _roadstop_gui_settings.roadstop_class = ROADSTOP_CLASS_DFLT;
      }
 
      this->SelectFirstAvailableTypeIfUnavailable();
 
      NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BROS_MATRIX);
      matrix->SetScrollbar(this->vscrollMatrix);
      matrix->SetCount(_roadstop_gui_settings.roadstop_count);
      matrix->SetClicked(_roadstop_gui_settings.roadstop_type);
 
      this->EnsureSelectedClassIsVisible();
      this->CheckOrientationValid();
    }
  }
 
  void Close([[maybe_unused]] int data = 0) override
  {
    CloseWindowById(WC_SELECT_STATION, 0);
    this->PickerWindowBase::Close();
  }
 
  static bool RoadStopClassIDSorter(RoadStopClassID const &a, RoadStopClassID const &b)
  {
    return a < b;
  }
 
  static bool CDECL TagNameFilter(RoadStopClassID const *sc, StringFilter &filter)
  {
    filter.ResetState();
    filter.AddLine(GetString(RoadStopClass::Get(*sc)->name));
    return filter.GetState();
  }
 
  inline bool ShowNewStops() const
  {
    return this->vscrollList != nullptr;
  }
 
  void BuildRoadStopClassesAvailable()
  {
    if (!this->roadstop_classes.NeedRebuild()) return;
 
    this->roadstop_classes.clear();
 
    for (uint i = 0; i < RoadStopClass::GetClassCount(); i++) {
      RoadStopClassID rs_id = (RoadStopClassID)i;
      if (rs_id == ROADSTOP_CLASS_WAYP) {
        // Skip waypoints.
        continue;
      }
      RoadStopClass *rs_class = RoadStopClass::Get(rs_id);
      if (GetIfClassHasNewStopsByType(rs_class, this->roadStopType, _cur_roadtype)) this->roadstop_classes.push_back(rs_id);
    }
 
    if (this->ShowNewStops()) {
      this->roadstop_classes.Filter(this->string_filter);
      this->roadstop_classes.shrink_to_fit();
      this->roadstop_classes.RebuildDone();
      this->roadstop_classes.Sort();
 
      this->vscrollList->SetCount(this->roadstop_classes.size());
    }
  }
 
  void SelectFirstAvailableTypeIfUnavailable()
  {
    const RoadStopClass *rs_class = RoadStopClass::Get(_roadstop_gui_settings.roadstop_class);
    StationType st = GetRoadStationTypeByWindowClass(this->window_class);
 
    if (IsRoadStopAvailable(rs_class->GetSpec(_roadstop_gui_settings.roadstop_type), st)) return;
    for (uint i = 0; i < _roadstop_gui_settings.roadstop_count; i++) {
      if (IsRoadStopAvailable(rs_class->GetSpec(i), st)) {
        _roadstop_gui_settings.roadstop_type = i;
        break;
      }
    }
  }
 
  void OnInvalidateData([[maybe_unused]] int data = 0, [[maybe_unused]] bool gui_scope = true) override
  {
    if (!gui_scope) return;
 
    this->BuildRoadStopClassesAvailable();
  }
 
  EventState OnHotkey(int hotkey) override
  {
    if (hotkey == BROSHK_FOCUS_FILTER_BOX) {
      this->SetFocusedWidget(WID_BROS_FILTER_EDITBOX);
      SetFocusedWindow(this); // The user has asked to give focus to the text box, so make sure this window is focused.
      return ES_HANDLED;
    }
 
    return ES_NOT_HANDLED;
  }
 
  void OnEditboxChanged(WidgetID widget) override
  {
    if (widget == WID_BROS_FILTER_EDITBOX) {
      string_filter.SetFilterTerm(this->filter_editbox.text.buf);
      this->roadstop_classes.SetFilterState(!string_filter.IsEmpty());
      this->roadstop_classes.ForceRebuild();
      this->InvalidateData();
    }
  }
 
  void OnPaint() override
  {
    this->DrawWidgets();
 
    int rad = _settings_game.station.modified_catchment ? ((this->window_class == WC_BUS_STATION) ? CA_BUS : CA_TRUCK) : CA_UNMODIFIED;
    if (_settings_client.gui.station_show_coverage) {
      SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
    } else {
      SetTileSelectSize(1, 1);
    }
 
    if (this->IsShaded()) return;
 
    /* 'Accepts' and 'Supplies' texts. */
    StationCoverageType sct = (this->window_class == WC_BUS_STATION) ? SCT_PASSENGERS_ONLY : SCT_NON_PASSENGERS_ONLY;
    Rect r = this->GetWidget<NWidgetBase>(WID_BROS_ACCEPTANCE)->GetCurrentRect();
    int top = r.top;
    top = DrawStationCoverageAreaText(r.left, r.right, top, sct, rad, false) + WidgetDimensions::scaled.vsep_normal;
    top = DrawStationCoverageAreaText(r.left, r.right, top, sct, rad, true);
    /* Resize background if the window is too small.
     * Never make the window smaller to avoid oscillating if the size change affects the acceptance.
     * (This is the case, if making the window bigger moves the mouse into the window.) */
    if (top > r.bottom) {
      this->coverage_height += top - r.bottom;
      this->ReInit();
    }
  }
 
  void UpdateWidgetSize(WidgetID widget, Dimension *size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension *fill, [[maybe_unused]] Dimension *resize) override
  {
    switch (widget) {
      case WID_BROS_NEWST_LIST: {
        Dimension d = { 0, 0 };
        for (auto rs_class : this->roadstop_classes) {
          d = maxdim(d, GetStringBoundingBox(RoadStopClass::Get(rs_class)->name));
        }
        size->width = std::max(size->width, d.width + padding.width);
        this->line_height = GetCharacterHeight(FS_NORMAL) + WidgetDimensions::scaled.matrix.Vertical();
        size->height = 5 * this->line_height;
        resize->height = this->line_height;
        break;
      }
 
      case WID_BROS_SHOW_NEWST_TYPE: {
        Dimension d = {0, 0};
        StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
        for (auto roadstop_class : this->roadstop_classes) {
          RoadStopClass *rs_class = RoadStopClass::Get(roadstop_class);
          for (uint j = 0; j < rs_class->GetSpecCount(); j++) {
            const RoadStopSpec *roadstopspec = rs_class->GetSpec(j);
            SetDParam(0, (roadstopspec != nullptr && roadstopspec->name != 0) ? roadstopspec->name : STR_STATION_CLASS_DFLT_ROADSTOP);
            d = maxdim(d, GetStringBoundingBox(str));
          }
        }
        size->width = std::max(size->width, d.width + padding.width);
        break;
      }
 
      case WID_BROS_STATION_NE:
      case WID_BROS_STATION_SE:
      case WID_BROS_STATION_SW:
      case WID_BROS_STATION_NW:
      case WID_BROS_STATION_X:
      case WID_BROS_STATION_Y:
      case WID_BROS_IMAGE:
        size->width  = ScaleGUITrad(64) + WidgetDimensions::scaled.fullbevel.Horizontal();
        size->height = ScaleGUITrad(48) + WidgetDimensions::scaled.fullbevel.Vertical();
        break;
 
      case WID_BROS_MATRIX:
        fill->height = 1;
        resize->height = 1;
        break;
 
      case WID_BROS_ACCEPTANCE:
        size->height = this->coverage_height;
        break;
    }
  }
 
  StationType GetRoadStationTypeByWindowClass(WindowClass window_class) const
  {
    switch (window_class) {
      case WC_BUS_STATION:          return STATION_BUS;
      case WC_TRUCK_STATION:        return STATION_TRUCK;
      default: NOT_REACHED();
    }
  }
 
  void DrawWidget(const Rect &r, WidgetID widget) const override
  {
    switch (widget) {
      case WID_BROS_STATION_NE:
      case WID_BROS_STATION_SE:
      case WID_BROS_STATION_SW:
      case WID_BROS_STATION_NW:
      case WID_BROS_STATION_X:
      case WID_BROS_STATION_Y: {
        StationType st = GetRoadStationTypeByWindowClass(this->window_class);
        const RoadStopSpec *spec = RoadStopClass::Get(_roadstop_gui_settings.roadstop_class)->GetSpec(_roadstop_gui_settings.roadstop_type);
        bool disabled = (spec != nullptr && widget < WID_BROS_STATION_X && HasBit(spec->flags, RSF_DRIVE_THROUGH_ONLY));
        DrawPixelInfo tmp_dpi;
        Rect ir = r.Shrink(WidgetDimensions::scaled.bevel);
        if (FillDrawPixelInfo(&tmp_dpi, ir)) {
          AutoRestoreBackup dpi_backup(_cur_dpi, &tmp_dpi);
          int x = (ir.Width()  - ScaleSpriteTrad(64)) / 2 + ScaleSpriteTrad(31);
          int y = (ir.Height() + ScaleSpriteTrad(48)) / 2 - ScaleSpriteTrad(31);
          if (spec == nullptr || disabled) {
            StationPickerDrawSprite(x, y, st, INVALID_RAILTYPE, _cur_roadtype, widget - WID_BROS_STATION_NE);
          } else {
            DrawRoadStopTile(x, y, _cur_roadtype, spec, st, widget - WID_BROS_STATION_NE);
          }
        }
        if (disabled) GfxFillRect(ir, PC_BLACK, FILLRECT_CHECKER);
        break;
      }
 
      case WID_BROS_NEWST_LIST: {
        uint statclass = 0;
        uint row = 0;
        for (auto rs_class : this->roadstop_classes) {
          if (this->vscrollList->IsVisible(statclass)) {
            DrawString(r.left + WidgetDimensions::scaled.matrix.left, r.right, row * this->line_height + r.top + WidgetDimensions::scaled.matrix.top,
                RoadStopClass::Get(rs_class)->name,
                rs_class == _roadstop_gui_settings.roadstop_class ? TC_WHITE : TC_BLACK);
            row++;
          }
          statclass++;
        }
        break;
      }
 
      case WID_BROS_IMAGE: {
        uint16_t type = this->GetWidget<NWidgetBase>(widget)->GetParentWidget<NWidgetMatrix>()->GetCurrentElement();
        assert(type < _roadstop_gui_settings.roadstop_count);
 
        const RoadStopSpec *spec = RoadStopClass::Get(_roadstop_gui_settings.roadstop_class)->GetSpec(type);
        StationType st = GetRoadStationTypeByWindowClass(this->window_class);
 
        /* Set up a clipping area for the sprite preview. */
        DrawPixelInfo tmp_dpi;
        Rect ir = r.Shrink(WidgetDimensions::scaled.bevel);
        if (FillDrawPixelInfo(&tmp_dpi, ir)) {
          AutoRestoreBackup dpi_backup(_cur_dpi, &tmp_dpi);
          int x = (ir.Width()  - ScaleSpriteTrad(64)) / 2 + ScaleSpriteTrad(31);
          int y = (ir.Height() + ScaleSpriteTrad(48)) / 2 - ScaleSpriteTrad(31);
          if (spec == nullptr) {
            StationPickerDrawSprite(x, y, st, INVALID_RAILTYPE, _cur_roadtype, _roadstop_gui_settings.orientation);
          } else {
            DiagDirection orientation = _roadstop_gui_settings.orientation;
            if (orientation < DIAGDIR_END && HasBit(spec->flags, RSF_DRIVE_THROUGH_ONLY)) orientation = DIAGDIR_END;
            DrawRoadStopTile(x, y, _cur_roadtype, spec, st, (uint8_t)orientation);
          }
        }
        if (!IsRoadStopAvailable(spec, st)) {
          GfxFillRect(ir, PC_BLACK, FILLRECT_CHECKER);
        }
        break;
      }
    }
  }
 
  void OnResize() override
  {
    if (this->vscrollList != nullptr) {
      this->vscrollList->SetCapacityFromWidget(this, WID_BROS_NEWST_LIST);
    }
  }
 
  void SetStringParameters(WidgetID widget) const override
  {
    if (widget == WID_BROS_SHOW_NEWST_TYPE) {
      const RoadStopSpec *roadstopspec = RoadStopClass::Get(_roadstop_gui_settings.roadstop_class)->GetSpec(_roadstop_gui_settings.roadstop_type);
      SetDParam(0, (roadstopspec != nullptr && roadstopspec->name != 0) ? roadstopspec->name : STR_STATION_CLASS_DFLT_ROADSTOP);
    }
  }
 
  void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
  {
    switch (widget) {
      case WID_BROS_STATION_NE:
      case WID_BROS_STATION_SE:
      case WID_BROS_STATION_SW:
      case WID_BROS_STATION_NW:
      case WID_BROS_STATION_X:
      case WID_BROS_STATION_Y:
        if (widget < WID_BROS_STATION_X) {
          const RoadStopSpec *spec = RoadStopClass::Get(_roadstop_gui_settings.roadstop_class)->GetSpec(_roadstop_gui_settings.roadstop_type);
          if (spec != nullptr && HasBit(spec->flags, RSF_DRIVE_THROUGH_ONLY)) return;
        }
        this->RaiseWidget(WID_BROS_STATION_NE + _roadstop_gui_settings.orientation);
        _roadstop_gui_settings.orientation = (DiagDirection)(widget - WID_BROS_STATION_NE);
        this->LowerWidget(WID_BROS_STATION_NE + _roadstop_gui_settings.orientation);
        if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
        this->SetDirty();
        CloseWindowById(WC_SELECT_STATION, 0);
        break;
 
      case WID_BROS_LT_OFF:
      case WID_BROS_LT_ON:
        this->RaiseWidget(_settings_client.gui.station_show_coverage + WID_BROS_LT_OFF);
        _settings_client.gui.station_show_coverage = (widget != WID_BROS_LT_OFF);
        this->LowerWidget(_settings_client.gui.station_show_coverage + WID_BROS_LT_OFF);
        if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
        this->SetDirty();
        SetViewportCatchmentStation(nullptr, true);
        break;
 
      case WID_BROS_NEWST_LIST: {
        auto it = this->vscrollList->GetScrolledItemFromWidget(this->roadstop_classes, pt.y, this, WID_BROS_NEWST_LIST);
        if (it == this->roadstop_classes.end()) return;
        RoadStopClassID class_id = *it;
        if (_roadstop_gui_settings.roadstop_class != class_id && GetIfClassHasNewStopsByType(RoadStopClass::Get(class_id), roadStopType, _cur_roadtype)) {
          _roadstop_gui_settings.roadstop_class = class_id;
          RoadStopClass *rsclass = RoadStopClass::Get(_roadstop_gui_settings.roadstop_class);
          _roadstop_gui_settings.roadstop_count = rsclass->GetSpecCount();
          _roadstop_gui_settings.roadstop_type = std::min((int)_roadstop_gui_settings.roadstop_type, std::max(0, (int)_roadstop_gui_settings.roadstop_count - 1));
          this->SelectFirstAvailableTypeIfUnavailable();
 
          NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BROS_MATRIX);
          matrix->SetCount(_roadstop_gui_settings.roadstop_count);
          matrix->SetClicked(_roadstop_gui_settings.roadstop_type);
          this->CheckOrientationValid();
        }
        if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
        this->SetDirty();
        CloseWindowById(WC_SELECT_STATION, 0);
        break;
      }
 
      case WID_BROS_IMAGE: {
        uint16_t y = this->GetWidget<NWidgetBase>(widget)->GetParentWidget<NWidgetMatrix>()->GetCurrentElement();
        if (y >= _roadstop_gui_settings.roadstop_count) return;
 
        const RoadStopSpec *spec = RoadStopClass::Get(_roadstop_gui_settings.roadstop_class)->GetSpec(y);
        StationType st = GetRoadStationTypeByWindowClass(this->window_class);
 
        if (!IsRoadStopAvailable(spec, st)) return;
 
        _roadstop_gui_settings.roadstop_type = y;
 
        this->GetWidget<NWidgetBase>(widget)->GetParentWidget<NWidgetMatrix>()->SetClicked(_roadstop_gui_settings.roadstop_type);
 
        if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
        this->SetDirty();
        CloseWindowById(WC_SELECT_STATION, 0);
        this->CheckOrientationValid();
        break;
      }
 
      default:
        break;
    }
  }
 
  void OnRealtimeTick([[maybe_unused]] uint delta_ms) override
  {
    CheckRedrawStationCoverage(this);
  }
 
  IntervalTimer<TimerGameCalendar> yearly_interval = {{TimerGameCalendar::YEAR, TimerGameCalendar::Priority::NONE}, [this](auto) {
    this->InvalidateData();
  }};
 
  static inline HotkeyList hotkeys{"buildroadstop", {
    Hotkey('F', "focus_filter_box", BROSHK_FOCUS_FILTER_BOX),
  }};
};
 
Listing BuildRoadStationWindow::last_sorting = { false, 0 };
Filtering BuildRoadStationWindow::last_filtering = { false, 0 };
 
BuildRoadStationWindow::GUIRoadStopClassList::SortFunction * const BuildRoadStationWindow::sorter_funcs[] = {
  &RoadStopClassIDSorter,
};
 
BuildRoadStationWindow::GUIRoadStopClassList::FilterFunction * const BuildRoadStationWindow::filter_funcs[] = {
  &TagNameFilter,
};
 
static constexpr NWidgetPart _nested_road_station_picker_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
    NWidget(WWT_CAPTION,  COLOUR_DARK_GREEN, WID_BROS_CAPTION),
    NWidget(WWT_SHADEBOX, COLOUR_DARK_GREEN),
    NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_SHOW_NEWST_DEFSIZE),
      NWidget(WWT_DEFSIZEBOX, COLOUR_DARK_GREEN),
    EndContainer(),
  EndContainer(),
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
      NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_normal, 0), SetPadding(WidgetDimensions::unscaled.picker),
        NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0), SetPIPRatio(1, 0, 1),
          NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_picker, 0),
            NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_FILTER_CONTAINER),
              NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
                NWidget(WWT_TEXT, COLOUR_DARK_GREEN), SetFill(0, 1), SetDataTip(STR_LIST_FILTER_TITLE, STR_NULL),
                NWidget(WWT_EDITBOX, COLOUR_GREY, WID_BROS_FILTER_EDITBOX), SetFill(1, 0), SetResize(1, 0),
                    SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
              EndContainer(),
            EndContainer(),
            NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_SHOW_NEWST_ADDITIONS),
              NWidget(NWID_HORIZONTAL),
                NWidget(WWT_MATRIX, COLOUR_GREY, WID_BROS_NEWST_LIST), SetMinimalSize(122, 71), SetFill(1, 0),
                  SetMatrixDataTip(1, 0, STR_STATION_BUILD_STATION_CLASS_TOOLTIP), SetScrollbar(WID_BROS_NEWST_SCROLL),
                NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_BROS_NEWST_SCROLL),
              EndContainer(),
            EndContainer(),
            NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_SHOW_NEWST_ORIENTATION),
              NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_ORIENTATION, STR_NULL), SetFill(1, 0),
            EndContainer(),
            NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_normal, 0),
              NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0), SetPIPRatio(1, 0, 1),
                NWidget(NWID_HORIZONTAL_LTR), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
                  NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_NW), SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
                  NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_NE), SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
                EndContainer(),
                NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_X),  SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
              EndContainer(),
              NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0), SetPIPRatio(1, 0, 1),
                NWidget(NWID_HORIZONTAL_LTR), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
                  NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_SW), SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
                  NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_SE), SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
                EndContainer(),
                NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_Y),  SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
              EndContainer(),
            EndContainer(),
            NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_SHOW_NEWST_TYPE_SEL),
              NWidget(WWT_LABEL, COLOUR_DARK_GREEN, WID_BROS_SHOW_NEWST_TYPE), SetMinimalSize(144, 8), SetDataTip(STR_JUST_STRING, STR_NULL), SetTextStyle(TC_ORANGE), SetFill(1, 0),
            EndContainer(),
            NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetFill(1, 0),
            NWidget(NWID_HORIZONTAL), SetPIPRatio(1, 0, 1),
              NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROS_LT_OFF), SetMinimalSize(60, 12),
                  SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
              NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROS_LT_ON), SetMinimalSize(60, 12),
                  SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
            EndContainer(),
          EndContainer(),
          NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_SHOW_NEWST_MATRIX),
            /* Hidden panel as NWID_MATRIX does not support SetScrollbar() */
            NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetScrollbar(WID_BROS_MATRIX_SCROLL),
              NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, WID_BROS_MATRIX), SetPIP(0, 2, 0),
                NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BROS_IMAGE), SetMinimalSize(66, 60),
                    SetFill(0, 0), SetResize(0, 0), SetDataTip(0x0, STR_STATION_BUILD_STATION_TYPE_TOOLTIP), SetScrollbar(WID_BROS_MATRIX_SCROLL),
                EndContainer(),
              EndContainer(),
            EndContainer(),
          EndContainer(),
        EndContainer(),
        NWidget(WWT_EMPTY, INVALID_COLOUR, WID_BROS_ACCEPTANCE), SetFill(1, 1), SetResize(1, 0), SetMinimalTextLines(2, WidgetDimensions::unscaled.vsep_normal),
      EndContainer(),
    EndContainer(),
    NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_SHOW_NEWST_RESIZE),
      NWidget(NWID_VERTICAL),
        NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_BROS_MATRIX_SCROLL),
        NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
      EndContainer(),
    EndContainer(),
  EndContainer(),
};
 
static WindowDesc _road_station_picker_desc(__FILE__, __LINE__,
  WDP_AUTO, "build_station_road", 0, 0,
  WC_BUS_STATION, WC_BUILD_TOOLBAR,
  WDF_CONSTRUCTION,
  std::begin(_nested_road_station_picker_widgets), std::end(_nested_road_station_picker_widgets)
);
 
static constexpr NWidgetPart _nested_tram_station_picker_widgets[] = {
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
    NWidget(WWT_CAPTION,  COLOUR_DARK_GREEN, WID_BROS_CAPTION),
    NWidget(WWT_SHADEBOX, COLOUR_DARK_GREEN),
    NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_SHOW_NEWST_DEFSIZE),
      NWidget(WWT_DEFSIZEBOX, COLOUR_DARK_GREEN),
    EndContainer(),
  EndContainer(),
  NWidget(NWID_HORIZONTAL),
    NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
      NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_normal, 0), SetPadding(WidgetDimensions::unscaled.picker),
        NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0), SetPIPRatio(1, 0, 1),
          NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_picker, 0),
            NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_FILTER_CONTAINER),
              NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
                NWidget(WWT_TEXT, COLOUR_DARK_GREEN), SetFill(0, 1), SetDataTip(STR_LIST_FILTER_TITLE, STR_NULL),
                NWidget(WWT_EDITBOX, COLOUR_GREY, WID_BROS_FILTER_EDITBOX), SetFill(1, 0), SetResize(1, 0),
                    SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
              EndContainer(),
            EndContainer(),
            NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_SHOW_NEWST_ADDITIONS),
              NWidget(NWID_HORIZONTAL),
                NWidget(WWT_MATRIX, COLOUR_GREY, WID_BROS_NEWST_LIST), SetMinimalSize(122, 71), SetFill(1, 0),
                  SetMatrixDataTip(1, 0, STR_STATION_BUILD_STATION_CLASS_TOOLTIP), SetScrollbar(WID_BROS_NEWST_SCROLL),
                NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_BROS_NEWST_SCROLL),
              EndContainer(),
            EndContainer(),
            NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_SHOW_NEWST_ORIENTATION),
              NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_ORIENTATION, STR_NULL), SetFill(1, 0),
            EndContainer(),
            NWidget(NWID_HORIZONTAL_LTR), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0), SetPIPRatio(1, 0, 1),
              NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_X),  SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
              NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_Y),  SetMinimalSize(66, 50), SetFill(0, 0), EndContainer(),
            EndContainer(),
            NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_SHOW_NEWST_TYPE_SEL),
              NWidget(WWT_LABEL, COLOUR_DARK_GREEN, WID_BROS_SHOW_NEWST_TYPE), SetMinimalSize(144, 8), SetDataTip(STR_JUST_STRING, STR_NULL), SetTextStyle(TC_ORANGE), SetFill(1, 0),
            EndContainer(),
            NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetFill(1, 0),
            NWidget(NWID_HORIZONTAL), SetPIPRatio(1, 0, 1),
              NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROS_LT_OFF), SetMinimalSize(60, 12),
                  SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
              NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROS_LT_ON), SetMinimalSize(60, 12),
                  SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
            EndContainer(),
          EndContainer(),
          NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_SHOW_NEWST_MATRIX),
            /* Hidden panel as NWID_MATRIX does not support SetScrollbar() */
            NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetScrollbar(WID_BROS_MATRIX_SCROLL),
              NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, WID_BROS_MATRIX), SetPIP(0, 2, 0),
                NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BROS_IMAGE), SetMinimalSize(66, 60),
                    SetFill(0, 0), SetResize(0, 0), SetDataTip(0x0, STR_STATION_BUILD_STATION_TYPE_TOOLTIP), SetScrollbar(WID_BROS_MATRIX_SCROLL),
                EndContainer(),
              EndContainer(),
            EndContainer(),
          EndContainer(),
        EndContainer(),
        NWidget(WWT_EMPTY, INVALID_COLOUR, WID_BROS_ACCEPTANCE), SetFill(1, 1), SetResize(1, 0), SetMinimalTextLines(2, WidgetDimensions::unscaled.vsep_normal),
      EndContainer(),
    EndContainer(),
    NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_SHOW_NEWST_RESIZE),
      NWidget(NWID_VERTICAL),
        NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_BROS_MATRIX_SCROLL),
        NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
      EndContainer(),
    EndContainer(),
  EndContainer(),
};
 
static WindowDesc _tram_station_picker_desc(__FILE__, __LINE__,
  WDP_AUTO, "build_station_tram", 0, 0,
  WC_BUS_STATION, WC_BUILD_TOOLBAR,
  WDF_CONSTRUCTION,
  std::begin(_nested_tram_station_picker_widgets), std::end(_nested_tram_station_picker_widgets)
);
 
static void ShowRVStationPicker(Window *parent, RoadStopType rs)
{
  new BuildRoadStationWindow(RoadTypeIsRoad(_cur_roadtype) ? &_road_station_picker_desc : &_tram_station_picker_desc, parent, rs);
}
 
void InitializeRoadGui()
{
  _road_depot_orientation = DIAGDIR_NW;
  _roadstop_gui_settings.orientation = DIAGDIR_NW;
}
 
void InitializeRoadGUI()
{
  BuildRoadToolbarWindow *w = dynamic_cast<BuildRoadToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_ROAD));
  if (w != nullptr) w->ModifyRoadType(_cur_roadtype);
}
 
DropDownList GetRoadTypeDropDownList(RoadTramTypes rtts, bool for_replacement, bool all_option)
{
  RoadTypes used_roadtypes;
  RoadTypes avail_roadtypes;
 
  const Company *c = Company::Get(_local_company);
 
  /* Find the used roadtypes. */
  if (for_replacement) {
    avail_roadtypes = GetCompanyRoadTypes(c->index, false);
    used_roadtypes  = GetRoadTypes(false);
  } else {
    avail_roadtypes = c->avail_roadtypes;
    used_roadtypes  = GetRoadTypes(true);
  }
 
  /* Filter listed road types */
  if (!HasBit(rtts, RTT_ROAD)) used_roadtypes &= _roadtypes_type;
  if (!HasBit(rtts, RTT_TRAM)) used_roadtypes &= ~_roadtypes_type;
 
  DropDownList list;
 
  if (all_option) {
    list.push_back(std::make_unique<DropDownListStringItem>(STR_REPLACE_ALL_ROADTYPE, INVALID_ROADTYPE, false));
  }
 
  Dimension d = { 0, 0 };
  /* Get largest icon size, to ensure text is aligned on each menu item. */
  if (!for_replacement) {
    for (const auto &rt : _sorted_roadtypes) {
      if (!HasBit(used_roadtypes, rt)) continue;
      const RoadTypeInfo *rti = GetRoadTypeInfo(rt);
      d = maxdim(d, GetSpriteSize(rti->gui_sprites.build_x_road));
    }
  }
 
  for (const auto &rt : _sorted_roadtypes) {
    /* If it's not used ever, don't show it to the user. */
    if (!HasBit(used_roadtypes, rt)) continue;
 
    const RoadTypeInfo *rti = GetRoadTypeInfo(rt);
 
    SetDParam(0, rti->strings.menu_text);
    SetDParam(1, rti->max_speed / 2);
    if (for_replacement) {
      list.push_back(std::make_unique<DropDownListStringItem>(rti->strings.replace_text, rt, !HasBit(avail_roadtypes, rt)));
    } else {
      StringID str = rti->max_speed > 0 ? STR_TOOLBAR_RAILTYPE_VELOCITY : STR_JUST_STRING;
      list.push_back(std::make_unique<DropDownListIconItem>(d, rti->gui_sprites.build_x_road, PAL_NONE, str, rt, !HasBit(avail_roadtypes, rt)));
    }
  }
 
  if (list.empty()) {
    /* Empty dropdowns are not allowed */
    list.push_back(std::make_unique<DropDownListStringItem>(STR_NONE, INVALID_ROADTYPE, true));
  }
 
  return list;
}
 
DropDownList GetScenRoadTypeDropDownList(RoadTramTypes rtts)
{
  RoadTypes avail_roadtypes = GetRoadTypes(false);
  avail_roadtypes = AddDateIntroducedRoadTypes(avail_roadtypes, TimerGameCalendar::date);
  RoadTypes used_roadtypes = GetRoadTypes(true);
 
  /* Filter listed road types */
  if (!HasBit(rtts, RTT_ROAD)) used_roadtypes &= _roadtypes_type;
  if (!HasBit(rtts, RTT_TRAM)) used_roadtypes &= ~_roadtypes_type;
 
  DropDownList list;
 
  /* If it's not used ever, don't show it to the user. */
  Dimension d = { 0, 0 };
  for (const auto &rt : _sorted_roadtypes) {
    if (!HasBit(used_roadtypes, rt)) continue;
    const RoadTypeInfo *rti = GetRoadTypeInfo(rt);
    d = maxdim(d, GetSpriteSize(rti->gui_sprites.build_x_road));
  }
  for (const auto &rt : _sorted_roadtypes) {
    if (!HasBit(used_roadtypes, rt)) continue;
 
    const RoadTypeInfo *rti = GetRoadTypeInfo(rt);
 
    SetDParam(0, rti->strings.menu_text);
    SetDParam(1, rti->max_speed / 2);
    StringID str = rti->max_speed > 0 ? STR_TOOLBAR_RAILTYPE_VELOCITY : STR_JUST_STRING;
    list.push_back(std::make_unique<DropDownListIconItem>(d, rti->gui_sprites.build_x_road, PAL_NONE, str, rt, !HasBit(avail_roadtypes, rt)));
  }
 
  if (list.empty()) {
    /* Empty dropdowns are not allowed */
    list.push_back(std::make_unique<DropDownListStringItem>(STR_NONE, -1, true));
  }
 
  return list;
}