Update: Translations from eints

[openttd-github.git] / src / road_gui.cpp

/*
 * 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/>.
 */

/** @file road_gui.cpp GUI for building roads. */

#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 "waypoint_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 "dropdown_type.h"
#include "dropdown_func.h"
#include "engine_base.h"
#include "station_base.h"
#include "waypoint_base.h"
#include "strings_func.h"
#include "core/geometry_func.hpp"
#include "station_cmd.h"
#include "waypoint_cmd.h"
#include "road_cmd.h"
#include "tunnelbridge_cmd.h"
#include "newgrf_roadstop.h"
#include "picker_gui.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 void ShowBuildRoadWaypointPicker(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 RoadWaypointPickerSelection {
        RoadStopClassID sel_class; ///< Selected road waypoint class.
        uint16_t sel_type; ///< Selected road waypoint type within the class.
};
static RoadWaypointPickerSelection _waypoint_gui; ///< Settings of the road waypoint picker.

struct RoadStopPickerSelection {
        RoadStopClassID sel_class; ///< Selected road stop class.
        uint16_t sel_type; ///< Selected road stop type within the class.
        DiagDirection orientation; ///< Selected orientation of the road stop.
};
static RoadStopPickerSelection _roadstop_gui;

static bool IsRoadStopEverAvailable(const RoadStopSpec *spec, StationType type)
{
        if (spec == nullptr) return true;

        if (HasBit(spec->flags, RSF_BUILD_MENU_ROAD_ONLY) && !RoadTypeIsRoad(_cur_roadtype)) return false;
        if (HasBit(spec->flags, RSF_BUILD_MENU_TRAM_ONLY) && !RoadTypeIsTram(_cur_roadtype)) return false;

        switch (spec->stop_type) {
                case ROADSTOPTYPE_ALL: return true;
                case ROADSTOPTYPE_PASSENGER: return type == STATION_BUS;
                case ROADSTOPTYPE_FREIGHT: return type == STATION_TRUCK;
                default: NOT_REACHED();
        }
}

/**
 * Check whether a road stop type can be built.
 * @return true if building is allowed.
 */
static bool IsRoadStopAvailable(const RoadStopSpec *spec, StationType type)
{
        if (spec == nullptr) return true;
        if (!IsRoadStopEverAvailable(spec, type)) return false;

        if (!HasBit(spec->callback_mask, CBM_ROAD_STOP_AVAIL)) return true;

        uint16_t cb_res = GetRoadStopCallback(CBID_STATION_AVAILABILITY, 0, 0, spec, nullptr, INVALID_TILE, _cur_roadtype, type, 0);
        if (cb_res == CALLBACK_FAILED) return true;

        return Convert8bitBooleanCallback(spec->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);
}

/**
 * Callback to start placing a bridge.
 * @param tile Start tile of the bridge.
 */
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);
        }
}

/**
 * Callback executed after a build road tunnel command has been called.
 *
 * @param result Whether the build succeeded.
 * @param start_tile Starting tile of the tunnel.
 */
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);
        }
}

/**
 * If required, connects a new structure to an existing road or tram by building the missing roadbit.
 * @param tile Tile containing the structure to connect.
 * @param direction Direction to check.
 */
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);
}

/**
 * Command callback for building road stops.
 * @param result Result of the build road stop command.
 * @param tile Start tile.
 * @param width Width of the road stop.
 * @param length Length of the road stop.
 * @param is_drive_through False for normal stops, true for drive-through.
 * @param dir Entrance direction (#DiagDirection) for normal stops. Converted to the axis for drive-through stops.
 * @param spec_class Road stop spec class.
 * @param spec_index Road stop spec index.
 * @see CmdBuildRoadStop
 */
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));
                }
        }
}

/**
 * Place a new road stop.
 * @param start_tile First tile of the area.
 * @param end_tile Last tile of the area.
 * @param stop_type Type of stop (bus/truck).
 * @param adjacent Allow stations directly adjacent to other stations.
 * @param rt The roadtypes.
 * @param err_msg Error message to show.
 * @see CcRoadStop()
 */
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.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.sel_class;
        uint16_t spec_index = _roadstop_gui.sel_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);
}

/**
 * Place a road waypoint.
 * @param tile Position to start dragging a waypoint.
 */
static void PlaceRoad_Waypoint(TileIndex tile)
{
        if (_remove_button_clicked) {
                VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_ROAD_WAYPOINT);
                return;
        }

        Axis axis = GetAxisForNewRoadWaypoint(tile);
        if (IsValidAxis(axis)) {
                /* Valid tile for waypoints */
                VpStartPlaceSizing(tile, axis == AXIS_X ? VPM_X_LIMITED : VPM_Y_LIMITED, DDSP_BUILD_ROAD_WAYPOINT);
                VpSetPlaceSizingLimit(_settings_game.station.station_spread);
        } else {
                /* Tile where we can't build road waypoints. This is always going to fail,
                 * but provides the user with a proper error message. */
                Command<CMD_BUILD_ROAD_WAYPOINT>::Post(STR_ERROR_CAN_T_BUILD_ROAD_WAYPOINT, tile, AXIS_X, 1, 1, ROADSTOP_CLASS_WAYP, 0, INVALID_STATION, false);
        }
}

/**
 * Callback for placing a bus station.
 * @param tile Position to place the station.
 */
static void PlaceRoad_BusStation(TileIndex tile)
{
        if (_remove_button_clicked) {
                VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_BUSSTOP);
        } else {
                if (_roadstop_gui.orientation < DIAGDIR_END) { // Not a drive-through stop.
                        VpStartPlaceSizing(tile, (DiagDirToAxis(_roadstop_gui.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);
        }
}

/**
 * Callback for placing a truck station.
 * @param tile Position to place the station.
 */
static void PlaceRoad_TruckStation(TileIndex tile)
{
        if (_remove_button_clicked) {
                VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_TRUCKSTOP);
        } else {
                if (_roadstop_gui.orientation < DIAGDIR_END) { // Not a drive-through stop.
                        VpStartPlaceSizing(tile, (DiagDirToAxis(_roadstop_gui.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);

/**
 * Toggles state of the Remove button of Build road toolbar
 * @param w window the button belongs to
 */
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);
}

/**
 * Updates the Remove button because of Ctrl state change
 * @param w window the button belongs to
 * @return true iff the remove button was changed
 */
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;
}

/** Road toolbar window handler. */
struct BuildRoadToolbarWindow : Window {
        RoadType roadtype;          ///< Road type to build.
        int last_started_action;    ///< Last started user action.

        BuildRoadToolbarWindow(WindowDesc &desc, WindowNumber window_number) : Window(desc)
        {
                this->roadtype = _cur_roadtype;
                this->CreateNestedTree();
                this->FinishInitNested(window_number);
                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();
        }

        /**
         * Some data on this window has become invalid.
         * @param data Information about the changed data.
         * @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.
         */
        void OnInvalidateData([[maybe_unused]] int data = 0, [[maybe_unused]] bool gui_scope = true) override
        {
                if (!gui_scope) return;

                if (!ValParamRoadType(this->roadtype)) {
                        /* Close toolbar if road type is not available. */
                        this->Close();
                        return;
                }

                RoadTramType rtt = GetRoadTramType(this->roadtype);

                bool can_build = CanBuildVehicleInfrastructure(VEH_ROAD, rtt);
                this->SetWidgetsDisabledState(!can_build,
                        WID_ROT_DEPOT,
                        WID_ROT_BUILD_WAYPOINT,
                        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);
                        CloseWindowById(WC_BUILD_WAYPOINT, 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_BUILD_WAYPOINT)->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_BUILD_WAYPOINT)->SetToolTip(rtt == RTT_ROAD ? STR_ROAD_TOOLBAR_TOOLTIP_CONVERT_ROAD_TO_WAYPOINT : STR_ROAD_TOOLBAR_TOOLTIP_CONVERT_TRAM_TO_WAYPOINT);
                                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 OnInit() override
        {
                /* Configure the road toolbar for the roadtype. */
                const RoadTypeInfo *rti = GetRoadTypeInfo(this->roadtype);
                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;
        }

        /**
         * Switch to another road type.
         * @param roadtype New road type.
         */
        void ModifyRoadType(RoadType roadtype)
        {
                this->roadtype = roadtype;
                this->ReInit();
        }

        void SetStringParameters(WidgetID widget) const override
        {
                if (widget == WID_ROT_CAPTION) {
                        const RoadTypeInfo *rti = GetRoadTypeInfo(this->roadtype);
                        if (rti->max_speed > 0) {
                                SetDParam(0, STR_TOOLBAR_RAILTYPE_VELOCITY);
                                SetDParam(1, rti->strings.toolbar_caption);
                                SetDParam(2, PackVelocity(rti->max_speed / 2, VEH_ROAD));
                        } else {
                                SetDParam(0, rti->strings.toolbar_caption);
                        }
                }
        }

        /**
         * Update the remove button lowered state of the road toolbar
         *
         * @param clicked_widget The widget which the client clicked just now
         */
        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:
                        case WID_ROT_BUILD_WAYPOINT:
                                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, GetRoadTypeInfo(this->roadtype)->cursor.road_nwse, HT_RECT);
                                this->last_started_action = widget;
                                break;

                        case WID_ROT_ROAD_Y:
                                HandlePlacePushButton(this, WID_ROT_ROAD_Y, GetRoadTypeInfo(this->roadtype)->cursor.road_swne, HT_RECT);
                                this->last_started_action = widget;
                                break;

                        case WID_ROT_AUTOROAD:
                                HandlePlacePushButton(this, WID_ROT_AUTOROAD, GetRoadTypeInfo(this->roadtype)->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, GetRoadTypeInfo(this->roadtype)->cursor.depot, HT_RECT)) {
                                        ShowRoadDepotPicker(this);
                                        this->last_started_action = widget;
                                }
                                break;

                        case WID_ROT_BUILD_WAYPOINT:
                                this->last_started_action = widget;
                                if (HandlePlacePushButton(this, WID_ROT_BUILD_WAYPOINT, SPR_CURSOR_WAYPOINT, HT_RECT)) {
                                        ShowBuildRoadWaypointPicker(this);
                                }
                                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, GetRoadTypeInfo(this->roadtype)->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, GetRoadTypeInfo(this->roadtype)->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(GetRoadTypeInfo(this->roadtype)->strings.err_depot, CcRoadDepot,
                                                tile, _cur_roadtype, _road_depot_orientation);
                                break;

                        case WID_ROT_BUILD_WAYPOINT:
                                PlaceRoad_Waypoint(tile);
                                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_BUILD_WAYPOINT, 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(GetRoadTypeInfo(this->roadtype)->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(GetRoadTypeInfo(this->roadtype)->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_ROAD_WAYPOINT:
                                case DDSP_REMOVE_ROAD_WAYPOINT:
                                        if (this->IsWidgetLowered(WID_ROT_BUILD_WAYPOINT)) {
                                                if (_remove_button_clicked) {
                                                        Command<CMD_REMOVE_FROM_ROAD_WAYPOINT>::Post(STR_ERROR_CAN_T_REMOVE_ROAD_WAYPOINT, CcPlaySound_CONSTRUCTION_OTHER, end_tile, start_tile);
                                                } else {
                                                        TileArea ta(start_tile, end_tile);
                                                        Axis axis = select_method == VPM_X_LIMITED ? AXIS_X : AXIS_Y;
                                                        bool adjacent = _ctrl_pressed;

                                                        auto proc = [=](bool test, StationID to_join) -> bool {
                                                                if (test) {
                                                                        return Command<CMD_BUILD_ROAD_WAYPOINT>::Do(CommandFlagsToDCFlags(GetCommandFlags<CMD_BUILD_ROAD_WAYPOINT>()), ta.tile, axis, ta.w, ta.h, _waypoint_gui.sel_class, _waypoint_gui.sel_type, INVALID_STATION, adjacent).Succeeded();
                                                                } else {
                                                                        return Command<CMD_BUILD_ROAD_WAYPOINT>::Post(STR_ERROR_CAN_T_BUILD_ROAD_WAYPOINT, CcPlaySound_CONSTRUCTION_OTHER, ta.tile, axis, ta.w, ta.h, _waypoint_gui.sel_class, _waypoint_gui.sel_type, to_join, adjacent);
                                                                }
                                                        };

                                                        ShowSelectRoadWaypointIfNeeded(ta, proc);
                                                }
                                        }
                                        break;

                                case DDSP_BUILD_BUSSTOP:
                                case DDSP_REMOVE_BUSSTOP:
                                        if (this->IsWidgetLowered(WID_ROT_BUS_STATION) && GetIfClassHasNewStopsByType(RoadStopClass::Get(_roadstop_gui.sel_class), ROADSTOP_BUS, _cur_roadtype)) {
                                                if (_remove_button_clicked) {
                                                        TileArea ta(start_tile, end_tile);
                                                        Command<CMD_REMOVE_ROAD_STOP>::Post(GetRoadTypeInfo(this->roadtype)->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, GetRoadTypeInfo(this->roadtype)->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.sel_class), ROADSTOP_TRUCK, _cur_roadtype)) {
                                                if (_remove_button_clicked) {
                                                        TileArea ta(start_tile, end_tile);
                                                        Command<CMD_REMOVE_ROAD_STOP>::Post(GetRoadTypeInfo(this->roadtype)->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, GetRoadTypeInfo(this->roadtype)->strings.err_build_station[ROADSTOP_TRUCK]);
                                                }
                                        }
                                        break;

                                case DDSP_CONVERT_ROAD:
                                        Command<CMD_CONVERT_ROAD>::Post(GetRoadTypeInfo(this->roadtype)->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;
        }

        void OnRealtimeTick([[maybe_unused]] uint delta_ms) override
        {
                if (_game_mode == GM_NORMAL && this->IsWidgetLowered(WID_ROT_BUILD_WAYPOINT)) CheckRedrawRoadWaypointCoverage(this);
        }

        /**
         * Handler for global hotkeys of the BuildRoadToolbarWindow.
         * @param hotkey Hotkey
         * @param last_build Last build road type
         * @return ES_HANDLED if hotkey was accepted.
         */
        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('9', "waypoint", WID_ROT_BUILD_WAYPOINT),
                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('9', "waypoint", WID_ROT_BUILD_WAYPOINT),
                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_BUILD_WAYPOINT),
                                                SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_WAYPOINT, STR_ROAD_TOOLBAR_TOOLTIP_CONVERT_ROAD_TO_WAYPOINT),
                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(
        WDP_ALIGN_TOOLBAR, "toolbar_road", 0, 0,
        WC_BUILD_TOOLBAR, WC_NONE,
        WDF_CONSTRUCTION,
        _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_BUILD_WAYPOINT),
                                                SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_WAYPOINT, STR_ROAD_TOOLBAR_TOOLTIP_CONVERT_TRAM_TO_WAYPOINT),
                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(
        WDP_ALIGN_TOOLBAR, "toolbar_tramway", 0, 0,
        WC_BUILD_TOOLBAR, WC_NONE,
        WDF_CONSTRUCTION,
        _nested_build_tramway_widgets,
        &BuildRoadToolbarWindow::tram_hotkeys
);

/**
 * Open the build road toolbar window
 *
 * If the terraform toolbar is linked to the toolbar, that window is also opened.
 *
 * @return newly opened road toolbar, or nullptr if the toolbar could not be opened.
 */
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(
        WDP_AUTO, "toolbar_road_scen", 0, 0,
        WC_SCEN_BUILD_TOOLBAR, WC_NONE,
        WDF_CONSTRUCTION,
        _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(
        WDP_AUTO, "toolbar_tram_scen", 0, 0,
        WC_SCEN_BUILD_TOOLBAR, WC_NONE,
        WDF_CONSTRUCTION,
        _nested_build_tramway_scen_widgets,
        &BuildRoadToolbarWindow::tram_hotkeys
);

/**
 * Show the road building toolbar in the scenario editor.
 * @return The just opened toolbar, or \c nullptr if the toolbar was already open.
 */
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), SetFill(0, 0), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
                                NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROD_DEPOT_SW), 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), SetFill(0, 0), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
                                NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROD_DEPOT_SE), SetFill(0, 0), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
                        EndContainer(),
                EndContainer(),
        EndContainer(),
};

static WindowDesc _build_road_depot_desc(
        WDP_AUTO, nullptr, 0, 0,
        WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
        WDF_CONSTRUCTION,
        _nested_build_road_depot_widgets
);

static void ShowRoadDepotPicker(Window *parent)
{
        new BuildRoadDepotWindow(_build_road_depot_desc, parent);
}

template <RoadStopType roadstoptype>
class RoadStopPickerCallbacks : public PickerCallbacksNewGRFClass<RoadStopClass> {
public:
        RoadStopPickerCallbacks(const std::string &ini_group) : PickerCallbacksNewGRFClass<RoadStopClass>(ini_group) {}

        StringID GetClassTooltip() const override;
        StringID GetTypeTooltip() const override;

        bool IsActive() const override
        {
                for (const auto &cls : RoadStopClass::Classes()) {
                        if (IsWaypointClass(cls)) continue;
                        for (const auto *spec : cls.Specs()) {
                                if (spec == nullptr) continue;
                                if (roadstoptype == ROADSTOP_TRUCK && spec->stop_type != ROADSTOPTYPE_FREIGHT && spec->stop_type != ROADSTOPTYPE_ALL) continue;
                                if (roadstoptype == ROADSTOP_BUS && spec->stop_type != ROADSTOPTYPE_PASSENGER && spec->stop_type != ROADSTOPTYPE_ALL) continue;
                                return true;
                        }
                }
                return false;
        }

        static bool IsClassChoice(const RoadStopClass &cls)
        {
                return !IsWaypointClass(cls) && GetIfClassHasNewStopsByType(&cls, roadstoptype, _cur_roadtype);
        }

        bool HasClassChoice() const override
        {
                return std::count_if(std::begin(RoadStopClass::Classes()), std::end(RoadStopClass::Classes()), IsClassChoice);
        }

        int GetSelectedClass() const override { return _roadstop_gui.sel_class; }
        void SetSelectedClass(int id) const override { _roadstop_gui.sel_class = this->GetClassIndex(id); }

        StringID GetClassName(int id) const override
        {
                const auto *rsc = this->GetClass(id);
                if (!IsClassChoice(*rsc)) return INVALID_STRING_ID;
                return rsc->name;
        }

        int GetSelectedType() const override { return _roadstop_gui.sel_type; }
        void SetSelectedType(int id) const override { _roadstop_gui.sel_type = id; }

        StringID GetTypeName(int cls_id, int id) const override
        {
                const auto *spec = this->GetSpec(cls_id, id);
                if (!IsRoadStopEverAvailable(spec, roadstoptype == ROADSTOP_BUS ? STATION_BUS : STATION_TRUCK)) return INVALID_STRING_ID;
                return (spec == nullptr) ? STR_STATION_CLASS_DFLT_ROADSTOP : spec->name;
        }

        bool IsTypeAvailable(int cls_id, int id) const override
        {
                const auto *spec = this->GetSpec(cls_id, id);
                return IsRoadStopAvailable(spec, roadstoptype == ROADSTOP_BUS ? STATION_BUS : STATION_TRUCK);
        }

        void DrawType(int x, int y, int cls_id, int id) const override
        {
                const auto *spec = this->GetSpec(cls_id, id);
                if (spec == nullptr) {
                        StationPickerDrawSprite(x, y, roadstoptype == ROADSTOP_BUS ? STATION_BUS : STATION_TRUCK, INVALID_RAILTYPE, _cur_roadtype, _roadstop_gui.orientation);
                } else {
                        DiagDirection orientation = _roadstop_gui.orientation;
                        if (orientation < DIAGDIR_END && HasBit(spec->flags, RSF_DRIVE_THROUGH_ONLY)) orientation = DIAGDIR_END;
                        DrawRoadStopTile(x, y, _cur_roadtype, spec, roadstoptype == ROADSTOP_BUS ? STATION_BUS : STATION_TRUCK, (uint8_t)orientation);
                }
        }

        void FillUsedItems(std::set<PickerItem> &items) override
        {
                for (const Station *st : Station::Iterate()) {
                        if (st->owner != _local_company) continue;
                        if (roadstoptype == ROADSTOP_TRUCK && !(st->facilities & FACIL_TRUCK_STOP)) continue;
                        if (roadstoptype == ROADSTOP_BUS && !(st->facilities & FACIL_BUS_STOP)) continue;
                        items.insert({0, 0, ROADSTOP_CLASS_DFLT, 0}); // We would need to scan the map to find out if default is used.
                        for (const auto &sm : st->roadstop_speclist) {
                                if (sm.spec == nullptr) continue;
                                if (roadstoptype == ROADSTOP_TRUCK && sm.spec->stop_type != ROADSTOPTYPE_FREIGHT && sm.spec->stop_type != ROADSTOPTYPE_ALL) continue;
                                if (roadstoptype == ROADSTOP_BUS && sm.spec->stop_type != ROADSTOPTYPE_PASSENGER && sm.spec->stop_type != ROADSTOPTYPE_ALL) continue;
                                items.insert({sm.grfid, sm.localidx, sm.spec->class_index, sm.spec->index});
                        }
                }
        }
};

template <> StringID RoadStopPickerCallbacks<ROADSTOP_BUS>::GetClassTooltip() const { return STR_PICKER_ROADSTOP_BUS_CLASS_TOOLTIP; }
template <> StringID RoadStopPickerCallbacks<ROADSTOP_BUS>::GetTypeTooltip() const { return STR_PICKER_ROADSTOP_BUS_TYPE_TOOLTIP; }

template <> StringID RoadStopPickerCallbacks<ROADSTOP_TRUCK>::GetClassTooltip() const { return STR_PICKER_ROADSTOP_TRUCK_CLASS_TOOLTIP; }
template <> StringID RoadStopPickerCallbacks<ROADSTOP_TRUCK>::GetTypeTooltip() const { return STR_PICKER_ROADSTOP_TRUCK_TYPE_TOOLTIP; }

static RoadStopPickerCallbacks<ROADSTOP_BUS> _bus_callback_instance("fav_passenger_roadstops");
static RoadStopPickerCallbacks<ROADSTOP_TRUCK> _truck_callback_instance("fav_freight_roadstops");

static PickerCallbacks &GetRoadStopPickerCallbacks(RoadStopType rs)
{
        return rs == ROADSTOP_BUS ? static_cast<PickerCallbacks &>(_bus_callback_instance) : static_cast<PickerCallbacks &>(_truck_callback_instance);
}

struct BuildRoadStationWindow : public PickerWindow {
private:
        uint coverage_height; ///< Height of the coverage texts.

        void CheckOrientationValid()
        {
                const RoadStopSpec *spec = RoadStopClass::Get(_roadstop_gui.sel_class)->GetSpec(_roadstop_gui.sel_type);

                /* Raise and lower to ensure the correct widget is lowered after changing displayed orientation plane. */
                if (RoadTypeIsRoad(_cur_roadtype)) {
                        this->RaiseWidget(WID_BROS_STATION_NE + _roadstop_gui.orientation);
                        this->GetWidget<NWidgetStacked>(WID_BROS_AVAILABLE_ORIENTATIONS)->SetDisplayedPlane((spec != nullptr && HasBit(spec->flags, RSF_DRIVE_THROUGH_ONLY)) ? 1 : 0);
                        this->LowerWidget(WID_BROS_STATION_NE + _roadstop_gui.orientation);
                }

                if (_roadstop_gui.orientation >= DIAGDIR_END) return;

                if (spec != nullptr && HasBit(spec->flags, RSF_DRIVE_THROUGH_ONLY)) {
                        this->RaiseWidget(WID_BROS_STATION_NE + _roadstop_gui.orientation);
                        _roadstop_gui.orientation = DIAGDIR_END;
                        this->LowerWidget(WID_BROS_STATION_NE + _roadstop_gui.orientation);
                        this->SetDirty();
                        CloseWindowById(WC_SELECT_STATION, 0);
                }
        }

public:
        BuildRoadStationWindow(WindowDesc &desc, Window *parent, RoadStopType rs) : PickerWindow(desc, parent, TRANSPORT_ROAD, GetRoadStopPickerCallbacks(rs))
        {
                this->coverage_height = 2 * GetCharacterHeight(FS_NORMAL) + WidgetDimensions::scaled.vsep_normal;

                /* Trams don't have non-drivethrough stations */
                if (RoadTypeIsTram(_cur_roadtype) && _roadstop_gui.orientation < DIAGDIR_END) {
                        _roadstop_gui.orientation = DIAGDIR_END;
                }
                this->ConstructWindow();

                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.orientation);
                this->LowerWidget(WID_BROS_LT_OFF + _settings_client.gui.station_show_coverage);

                this->window_class = (rs == ROADSTOP_BUS) ? WC_BUS_STATION : WC_TRUCK_STATION;
        }

        void Close([[maybe_unused]] int data = 0) override
        {
                CloseWindowById(WC_SELECT_STATION, 0);
                this->PickerWindow::Close();
        }

        void OnInvalidateData([[maybe_unused]] int data = 0, [[maybe_unused]] bool gui_scope = true) override
        {
                this->PickerWindow::OnInvalidateData(data, gui_scope);

                if (gui_scope) {
                        this->CheckOrientationValid();
                }
        }

        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_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:
                                size.width  = ScaleGUITrad(PREVIEW_WIDTH) + WidgetDimensions::scaled.fullbevel.Horizontal();
                                size.height = ScaleGUITrad(PREVIEW_HEIGHT) + WidgetDimensions::scaled.fullbevel.Vertical();
                                break;

                        case WID_BROS_ACCEPTANCE:
                                size.height = this->coverage_height;
                                break;

                        default:
                                this->PickerWindow::UpdateWidgetSize(widget, size, padding, fill, resize);
                                break;
                }
        }

        /**
         * Simply to have a easier way to get the StationType for bus, truck and trams from the WindowClass.
         */
        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.sel_class)->GetSpec(_roadstop_gui.sel_type);
                                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(PREVIEW_WIDTH)) / 2 + ScaleSpriteTrad(PREVIEW_LEFT);
                                        int y = (ir.Height() + ScaleSpriteTrad(PREVIEW_HEIGHT)) / 2 - ScaleSpriteTrad(PREVIEW_BOTTOM);
                                        if (spec == nullptr) {
                                                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);
                                        }
                                }
                                break;
                        }

                        default:
                                this->PickerWindow::DrawWidget(r, widget);
                                break;
                }
        }

        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.sel_class)->GetSpec(_roadstop_gui.sel_type);
                                        if (spec != nullptr && HasBit(spec->flags, RSF_DRIVE_THROUGH_ONLY)) return;
                                }
                                this->RaiseWidget(WID_BROS_STATION_NE + _roadstop_gui.orientation);
                                _roadstop_gui.orientation = (DiagDirection)(widget - WID_BROS_STATION_NE);
                                this->LowerWidget(WID_BROS_STATION_NE + _roadstop_gui.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;

                        default:
                                this->PickerWindow::OnClick(pt, widget, click_count);
                                break;
                }
        }

        void OnRealtimeTick([[maybe_unused]] uint delta_ms) override
        {
                CheckRedrawStationCoverage(this);
        }

        static inline HotkeyList road_hotkeys{"buildroadstop", {
                Hotkey('F', "focus_filter_box", PCWHK_FOCUS_FILTER_BOX),
        }};

        static inline HotkeyList tram_hotkeys{"buildtramstop", {
                Hotkey('F', "focus_filter_box", PCWHK_FOCUS_FILTER_BOX),
        }};
};

/** Widget definition of the build road station window */
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(WWT_DEFSIZEBOX, COLOUR_DARK_GREEN),
        EndContainer(),
        NWidget(NWID_HORIZONTAL),
                NWidget(NWID_VERTICAL),
                        NWidgetFunction(MakePickerClassWidgets),
                        NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
                                NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_picker, 0), SetPadding(WidgetDimensions::unscaled.picker),
                                        NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BROS_AVAILABLE_ORIENTATIONS),
                                                /* 6-orientation plane. */
                                                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), SetFill(0, 0), EndContainer(),
                                                                        NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_NE), SetFill(0, 0), EndContainer(),
                                                                EndContainer(),
                                                                NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_X), 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), SetFill(0, 0), EndContainer(),
                                                                        NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_SE), SetFill(0, 0), EndContainer(),
                                                                EndContainer(),
                                                                NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_Y), SetFill(0, 0), EndContainer(),
                                                        EndContainer(),
                                                EndContainer(),
                                                /* 2-orientation plane. */
                                                NWidget(NWID_VERTICAL), SetPIPRatio(0, 0, 1),
                                                        NWidget(NWID_HORIZONTAL_LTR), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0), SetPIPRatio(1, 0, 1),
                                                                NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_X), SetFill(0, 0), EndContainer(),
                                                                NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_Y), SetFill(0, 0), EndContainer(),
                                                        EndContainer(),
                                                EndContainer(),
                                        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(),
                                        NWidget(WWT_EMPTY, INVALID_COLOUR, WID_BROS_ACCEPTANCE), SetFill(1, 1), SetResize(1, 0), SetMinimalTextLines(2, 0),
                                EndContainer(),
                        EndContainer(),
                EndContainer(),
                NWidgetFunction(MakePickerTypeWidgets),
        EndContainer(),
};

static WindowDesc _road_station_picker_desc(
        WDP_AUTO, "build_station_road", 0, 0,
        WC_BUS_STATION, WC_BUILD_TOOLBAR,
        WDF_CONSTRUCTION,
        _nested_road_station_picker_widgets,
        &BuildRoadStationWindow::road_hotkeys
);

/** Widget definition of the build tram station window */
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(WWT_DEFSIZEBOX, COLOUR_DARK_GREEN),
        EndContainer(),
        NWidget(NWID_HORIZONTAL),
                NWidget(NWID_VERTICAL),
                        NWidgetFunction(MakePickerClassWidgets),
                        NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
                                NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_picker, 0), SetPadding(WidgetDimensions::unscaled.picker),
                                        NWidget(NWID_HORIZONTAL_LTR), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0), SetPIPRatio(1, 0, 1),
                                                NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_X), SetFill(0, 0), EndContainer(),
                                                NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_Y), SetFill(0, 0), EndContainer(),
                                        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(),
                                        NWidget(WWT_EMPTY, INVALID_COLOUR, WID_BROS_ACCEPTANCE), SetFill(1, 1), SetResize(1, 0), SetMinimalTextLines(2, 0),
                                EndContainer(),
                        EndContainer(),
                EndContainer(),
                NWidgetFunction(MakePickerTypeWidgets),
        EndContainer(),
};

static WindowDesc _tram_station_picker_desc(
        WDP_AUTO, "build_station_tram", 0, 0,
        WC_BUS_STATION, WC_BUILD_TOOLBAR,
        WDF_CONSTRUCTION,
        _nested_tram_station_picker_widgets,
        &BuildRoadStationWindow::tram_hotkeys
);

static void ShowRVStationPicker(Window *parent, RoadStopType rs)
{
        new BuildRoadStationWindow(RoadTypeIsRoad(_cur_roadtype) ? _road_station_picker_desc : _tram_station_picker_desc, parent, rs);
}

class RoadWaypointPickerCallbacks : public PickerCallbacksNewGRFClass<RoadStopClass> {
public:
        RoadWaypointPickerCallbacks() : PickerCallbacksNewGRFClass<RoadStopClass>("fav_road_waypoints") {}

        StringID GetClassTooltip() const override { return STR_PICKER_WAYPOINT_CLASS_TOOLTIP; }
        StringID GetTypeTooltip() const override { return STR_PICKER_WAYPOINT_TYPE_TOOLTIP; }

        bool IsActive() const override
        {
                for (const auto &cls : RoadStopClass::Classes()) {
                        if (!IsWaypointClass(cls)) continue;
                        for (const auto *spec : cls.Specs()) {
                                if (spec != nullptr) return true;
                        }
                }
                return false;
        }

        bool HasClassChoice() const override
        {
                return std::count_if(std::begin(RoadStopClass::Classes()), std::end(RoadStopClass::Classes()), IsWaypointClass) > 1;
        }

        void Close(int) override { ResetObjectToPlace(); }
        int GetSelectedClass() const override { return _waypoint_gui.sel_class; }
        void SetSelectedClass(int id) const override { _waypoint_gui.sel_class = this->GetClassIndex(id); }

        StringID GetClassName(int id) const override
        {
                const auto *sc = GetClass(id);
                if (!IsWaypointClass(*sc)) return INVALID_STRING_ID;
                return sc->name;
        }

        int GetSelectedType() const override { return _waypoint_gui.sel_type; }
        void SetSelectedType(int id) const override { _waypoint_gui.sel_type = id; }

        StringID GetTypeName(int cls_id, int id) const override
        {
                const auto *spec = this->GetSpec(cls_id, id);
                return (spec == nullptr) ? STR_STATION_CLASS_WAYP_WAYPOINT : spec->name;
        }

        bool IsTypeAvailable(int cls_id, int id) const override
        {
                return IsRoadStopAvailable(this->GetSpec(cls_id, id), STATION_ROADWAYPOINT);
        }

        void DrawType(int x, int y, int cls_id, int id) const override
        {
                const auto *spec = this->GetSpec(cls_id, id);
                if (spec == nullptr) {
                        StationPickerDrawSprite(x, y, STATION_ROADWAYPOINT, INVALID_RAILTYPE, _cur_roadtype, RSV_DRIVE_THROUGH_X);
                } else {
                        DrawRoadStopTile(x, y, _cur_roadtype, spec, STATION_ROADWAYPOINT, RSV_DRIVE_THROUGH_X);
                }
        }

        void FillUsedItems(std::set<PickerItem> &items) override
        {
                for (const Waypoint *wp : Waypoint::Iterate()) {
                        if (wp->owner != _local_company || !HasBit(wp->waypoint_flags, WPF_ROAD)) continue;
                        items.insert({0, 0, ROADSTOP_CLASS_WAYP, 0}); // We would need to scan the map to find out if default is used.
                        for (const auto &sm : wp->roadstop_speclist) {
                                if (sm.spec == nullptr) continue;
                                items.insert({sm.grfid, sm.localidx, sm.spec->class_index, sm.spec->index});
                        }
                }
        }

        static RoadWaypointPickerCallbacks instance;
};
/* static */ RoadWaypointPickerCallbacks RoadWaypointPickerCallbacks::instance;

struct BuildRoadWaypointWindow : public PickerWindow {
        BuildRoadWaypointWindow(WindowDesc &desc, Window *parent) : PickerWindow(desc, parent, TRANSPORT_ROAD, RoadWaypointPickerCallbacks::instance)
        {
                this->ConstructWindow();
                this->InvalidateData();
        }

        static inline HotkeyList hotkeys{"buildroadwaypoint", {
                Hotkey('F', "focus_filter_box", PCWHK_FOCUS_FILTER_BOX),
        }};
};

/** Nested widget definition for the build NewGRF road waypoint window */
static constexpr NWidgetPart _nested_build_road_waypoint_widgets[] = {
        NWidget(NWID_HORIZONTAL),
                NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
                NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_WAYPOINT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
                NWidget(WWT_SHADEBOX, COLOUR_DARK_GREEN),
                NWidget(WWT_DEFSIZEBOX, COLOUR_DARK_GREEN),
        EndContainer(),
        NWidget(NWID_HORIZONTAL),
                NWidgetFunction(MakePickerClassWidgets),
                NWidgetFunction(MakePickerTypeWidgets),
        EndContainer(),
};

static WindowDesc _build_road_waypoint_desc(
        WDP_AUTO, "build_road_waypoint", 0, 0,
        WC_BUILD_WAYPOINT, WC_BUILD_TOOLBAR,
        WDF_CONSTRUCTION,
        _nested_build_road_waypoint_widgets,
        &BuildRoadWaypointWindow::hotkeys
);

static void ShowBuildRoadWaypointPicker(Window *parent)
{
        if (!RoadWaypointPickerCallbacks::instance.IsActive()) return;
        new BuildRoadWaypointWindow(_build_road_waypoint_desc, parent);
}

void InitializeRoadGui()
{
        _road_depot_orientation = DIAGDIR_NW;
        _roadstop_gui.orientation = DIAGDIR_NW;
        _waypoint_gui.sel_class = RoadStopClassID::ROADSTOP_CLASS_WAYP;
        _waypoint_gui.sel_type = 0;
}

/**
 * I really don't know why rail_gui.cpp has this too, shouldn't be included in the other one?
 */
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(MakeDropDownListStringItem(STR_REPLACE_ALL_ROADTYPE, INVALID_ROADTYPE));
        }

        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(MakeDropDownListStringItem(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(MakeDropDownListIconItem(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(MakeDropDownListStringItem(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(MakeDropDownListIconItem(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(MakeDropDownListStringItem(STR_NONE, -1, true));
        }

        return list;
}