toolbar_gui.cpp

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/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <https://www.gnu.org/licenses/old-licenses/gpl-2.0>.
 */

 
#include "stdafx.h"
#include "core/geometry_func.hpp"
#include "gui.h"
#include "spritecache.h"
#include "window_gui.h"
#include "window_func.h"
#include "viewport_func.h"
#include "command_func.h"
#include "dropdown_type.h"
#include "dropdown_func.h"
#include "house.h"
#include "vehicle_gui.h"
#include "rail_gui.h"
#include "road.h"
#include "road_gui.h"
#include "vehicle_func.h"
#include "sound_func.h"
#include "terraform_gui.h"
#include "object.h"
#include "newgrf_object.h"
#include "strings_func.h"
#include "company_func.h"
#include "company_gui.h"
#include "vehicle_base.h"
#include "cheat_func.h"
#include "transparency_gui.h"
#include "screenshot.h"
#include "signs_func.h"
#include "fios.h"
#include "console_gui.h"
#include "news_gui.h"
#include "ai/ai_gui.hpp"
#include "game/game_gui.hpp"
#include "script/script_gui.h"
#include "tilehighlight_func.h"
#include "smallmap_gui.h"
#include "graph_gui.h"
#include "textbuf_gui.h"
#include "linkgraph/linkgraph_gui.h"
#include "newgrf_debug.h"
#include "hotkeys.h"
#include "engine_base.h"
#include "highscore.h"
#include "game/game.hpp"
#include "goal_base.h"
#include "goal_gui.h"
#include "story_base.h"
#include "toolbar_gui.h"
#include "framerate_type.h"
#include "screenshot_gui.h"
#include "misc_cmd.h"
#include "league_gui.h"
#include "league_base.h"
#include "timer/timer.h"
#include "timer/timer_window.h"
#include "timer/timer_game_calendar.h"
#include "help_gui.h"
#include "core/string_consumer.hpp"
 
#include "widgets/toolbar_widget.h"
 
#include "network/network.h"
#include "network/network_gui.h"
#include "network/network_func.h"
 
#include "table/strings.h"
 
#include "dropdown_common_type.h"
 
#include "safeguards.h"
 

uint _toolbar_width = 0;
 
RailType _last_built_railtype;
RoadType _last_built_roadtype;
RoadType _last_built_tramtype;

enum class ToolbarMode : uint8_t {
  Normal, 
  Upper, 
  Lower, 
};

enum class CallBackFunction : uint8_t {
  None, 
  PlaceSign, 
  PlaceLandInfo, 
};
 
static CallBackFunction _last_started_action = CallBackFunction::None; 

class DropDownListCompanyItem : public DropDownIcon<DropDownIcon<DropDownString<DropDownListItem>, true>> {
public:
  DropDownListCompanyItem(CompanyID company, bool shaded) : DropDownIcon<DropDownIcon<DropDownString<DropDownListItem>, true>>(SPR_COMPANY_ICON, GetCompanyPalette(company), NetworkCanJoinCompany(company) ? SPR_EMPTY : SPR_LOCK, PAL_NONE, GetString(STR_COMPANY_NAME_COMPANY_NUM, company, company), company.base(), false, shaded)
  {
  }
};

static DropDownOptions GetToolbarDropDownOptions(DropDownOptions options = {})
{
  if (_settings_client.gui.toolbar_dropdown_autoselect) options.Set(DropDownOption::InstantClose).Reset(DropDownOption::Filterable);
  return options;
}

static void PopupMainToolbarMenu(Window *w, WidgetID widget, DropDownList &&list, int def)
{
  ShowDropDownList(w, std::move(list), def, widget, 0, GetToolbarDropDownOptions());
}

static void PopupMainToolbarMenu(Window *w, WidgetID widget, const std::initializer_list<StringID> &strings)
{
  DropDownList list;
  int i = 0;
  for (StringID string : strings) {
    if (string == STR_NULL) {
      list.push_back(MakeDropDownListDividerItem());
    } else {
      list.push_back(MakeDropDownListStringItem(string, i));
      i++;
    }
  }
  PopupMainToolbarMenu(w, widget, std::move(list), 0);
}
 
/* Special values used in the dropdowns related to companies.
 * They cannot interfere with valid IDs for companies. */
static const int CTMN_CLIENT_LIST = MAX_COMPANIES; 
static const int CTMN_SPECTATE = COMPANY_SPECTATOR.base(); 
static const int CTMN_SPECTATOR = CompanyID::Invalid().base(); 

static void PopupMainCompanyToolbMenu(Window *w, WidgetID widget, CompanyMask grey = {})
{
  DropDownList list;
 
  switch (widget) {
    case WID_TN_COMPANIES:
      if (!_networking) break;
 
      /* Add the client list button for the companies menu */
      list.push_back(MakeDropDownListStringItem(STR_NETWORK_COMPANY_LIST_CLIENT_LIST, CTMN_CLIENT_LIST));
 
      if (_local_company != COMPANY_SPECTATOR) {
        list.push_back(MakeDropDownListStringItem(STR_NETWORK_COMPANY_LIST_SPECTATE, CTMN_SPECTATE));
      }
      break;
    case WID_TN_STORY:
      list.push_back(MakeDropDownListStringItem(STR_STORY_BOOK_SPECTATOR, CTMN_SPECTATOR));
      break;
 
    case WID_TN_GOAL:
      list.push_back(MakeDropDownListStringItem(STR_GOALS_SPECTATOR, CTMN_SPECTATOR));
      break;
  }
 
  for (CompanyID c = CompanyID::Begin(); c < MAX_COMPANIES; ++c) {
    if (!Company::IsValidID(c)) continue;
    list.push_back(std::make_unique<DropDownListCompanyItem>(c, grey.Test(c)));
  }
 
  PopupMainToolbarMenu(w, widget, std::move(list), _local_company == COMPANY_SPECTATOR ? (widget == WID_TN_COMPANIES ? CTMN_CLIENT_LIST : CTMN_SPECTATOR) : _local_company.base());
}
 
static ToolbarMode _toolbar_mode;
 
static CallBackFunction SelectSignTool()
{
  if (_last_started_action == CallBackFunction::PlaceSign) {
    ResetObjectToPlace();
    return CallBackFunction::None;
  } else {
    SetObjectToPlace(SPR_CURSOR_SIGN, PAL_NONE, HT_RECT, WindowClass::MainToolbar, 0);
    return CallBackFunction::PlaceSign;
  }
}
 
/* --- Pausing --- */
 
static CallBackFunction ToolbarPauseClick(Window *)
{
  if (_networking && !_network_server) return CallBackFunction::None; // only server can pause the game
 
  if (Command<Commands::Pause>::Post(PauseMode::Normal, _pause_mode.None())) {
    SndConfirmBeep();
  }
  return CallBackFunction::None;
}

static CallBackFunction ToolbarFastForwardClick(Window *)
{
  if (_networking) return CallBackFunction::None; // no fast forward in network game
 
  ChangeGameSpeed(_game_speed == 100);
 
  SndClickBeep();
  return CallBackFunction::None;
}

enum class OptionMenuEntries : uint8_t {
  GameOptions, 
  AISettings, 
  GameScriptSettings, 
  NewGRFSettings, 
  SandboxOptions, 
  Transparencies, 
  ShowTownNames, 
  ShowStationNames, 
  ShowTrainStationNames, 
  ShowLorryStationNames, 
  ShowBusStationNames, 
  ShowDockNames, 
  ShowAirportNames, 
  ShowGhostStationNames, 
  ShowWaypointNames, 
  ShowSigns, 
  ShowCompetitorSigns, 
  FullAnimation, 
  FullDetails, 
  TransparentBuildings, 
  TransparentStationSigns, 
};

static CallBackFunction ToolbarOptionsClick(Window *w)
{
  DropDownList list;
  list.push_back(MakeDropDownListStringItem(STR_SETTINGS_MENU_GAME_OPTIONS, OptionMenuEntries::GameOptions));
  /* Changes to the per-AI settings don't get send from the server to the clients. Clients get
   * the settings once they join but never update it. As such don't show the window at all
   * to network clients. */
  if (!_networking || _network_server) {
    list.push_back(MakeDropDownListStringItem(STR_SETTINGS_MENU_AI_SETTINGS, OptionMenuEntries::AISettings));
    list.push_back(MakeDropDownListStringItem(STR_SETTINGS_MENU_GAMESCRIPT_SETTINGS, OptionMenuEntries::GameScriptSettings));
  }
  list.push_back(MakeDropDownListStringItem(STR_SETTINGS_MENU_NEWGRF_SETTINGS, OptionMenuEntries::NewGRFSettings));
  if (_game_mode != GameMode::Editor && !_networking) {
    list.push_back(MakeDropDownListStringItem(STR_SETTINGS_MENU_SANDBOX_OPTIONS, OptionMenuEntries::SandboxOptions));
  }
  list.push_back(MakeDropDownListStringItem(STR_SETTINGS_MENU_TRANSPARENCY_OPTIONS, OptionMenuEntries::Transparencies));
  list.push_back(MakeDropDownListDividerItem());
  list.push_back(MakeDropDownListCheckedItem(_display_opt.Test(DisplayOption::ShowTownNames), STR_SETTINGS_MENU_TOWN_NAMES_DISPLAYED, OptionMenuEntries::ShowTownNames));
  list.push_back(MakeDropDownListCheckedItem(_display_opt.Test(DisplayOption::ShowStationNames), STR_SETTINGS_MENU_STATION_NAMES_DISPLAYED, OptionMenuEntries::ShowStationNames));
  list.push_back(MakeDropDownListCheckedItem(_facility_display_opt.Test(StationFacility::Train), STR_SETTINGS_MENU_STATION_NAMES_TRAIN, OptionMenuEntries::ShowTrainStationNames, false, false, 1));
  list.push_back(MakeDropDownListCheckedItem(_facility_display_opt.Test(StationFacility::TruckStop), STR_SETTINGS_MENU_STATION_NAMES_LORRY, OptionMenuEntries::ShowLorryStationNames, false, false, 1));
  list.push_back(MakeDropDownListCheckedItem(_facility_display_opt.Test(StationFacility::BusStop), STR_SETTINGS_MENU_STATION_NAMES_BUS, OptionMenuEntries::ShowBusStationNames, false, false, 1));
  list.push_back(MakeDropDownListCheckedItem(_facility_display_opt.Test(StationFacility::Dock), STR_SETTINGS_MENU_STATION_NAMES_SHIP, OptionMenuEntries::ShowDockNames, false, false, 1));
  list.push_back(MakeDropDownListCheckedItem(_facility_display_opt.Test(StationFacility::Airport), STR_SETTINGS_MENU_STATION_NAMES_PLANE, OptionMenuEntries::ShowAirportNames, false, false, 1));
  list.push_back(MakeDropDownListCheckedItem(_facility_display_opt.Test(STATION_FACILITY_GHOST), STR_SETTINGS_MENU_STATION_NAMES_GHOST, OptionMenuEntries::ShowGhostStationNames, false, false, 1));
  list.push_back(MakeDropDownListCheckedItem(_display_opt.Test(DisplayOption::ShowWaypointNames), STR_SETTINGS_MENU_WAYPOINTS_DISPLAYED, OptionMenuEntries::ShowWaypointNames));
  list.push_back(MakeDropDownListCheckedItem(_display_opt.Test(DisplayOption::ShowSigns), STR_SETTINGS_MENU_SIGNS_DISPLAYED, OptionMenuEntries::ShowSigns));
  list.push_back(MakeDropDownListCheckedItem(_display_opt.Test(DisplayOption::ShowCompetitorSigns), STR_SETTINGS_MENU_SHOW_COMPETITOR_SIGNS, OptionMenuEntries::ShowCompetitorSigns));
  list.push_back(MakeDropDownListCheckedItem(_display_opt.Test(DisplayOption::FullAnimation), STR_SETTINGS_MENU_FULL_ANIMATION, OptionMenuEntries::FullAnimation));
  list.push_back(MakeDropDownListCheckedItem(_display_opt.Test(DisplayOption::FullDetail), STR_SETTINGS_MENU_FULL_DETAIL, OptionMenuEntries::FullDetails));
  list.push_back(MakeDropDownListCheckedItem(IsTransparencySet(TransparencyOption::Houses), STR_SETTINGS_MENU_TRANSPARENT_BUILDINGS, OptionMenuEntries::TransparentBuildings));
  list.push_back(MakeDropDownListCheckedItem(IsTransparencySet(TransparencyOption::Signs), STR_SETTINGS_MENU_TRANSPARENT_SIGNS, OptionMenuEntries::TransparentStationSigns));
 
  ShowDropDownList(w, std::move(list), 0, WID_TN_SETTINGS, 140, GetToolbarDropDownOptions());
  return CallBackFunction::None;
}

static CallBackFunction MenuClickSettings(int index)
{
  switch (OptionMenuEntries(index)) {
    case OptionMenuEntries::GameOptions: ShowGameOptions(); return CallBackFunction::None;
    case OptionMenuEntries::AISettings: ShowAIConfigWindow(); return CallBackFunction::None;
    case OptionMenuEntries::GameScriptSettings: ShowGSConfigWindow(); return CallBackFunction::None;
    case OptionMenuEntries::NewGRFSettings: ShowNewGRFSettings(!_networking && _settings_client.gui.UserIsAllowedToChangeNewGRFs(), true, true, _grfconfig); return CallBackFunction::None;
    case OptionMenuEntries::SandboxOptions: ShowCheatWindow(); break;
    case OptionMenuEntries::Transparencies: ShowTransparencyToolbar(); break;
 
    case OptionMenuEntries::ShowTownNames: _display_opt.Flip(DisplayOption::ShowTownNames); break;
    case OptionMenuEntries::ShowStationNames: _display_opt.Flip(DisplayOption::ShowStationNames); break;
    case OptionMenuEntries::ShowTrainStationNames: _facility_display_opt.Flip(StationFacility::Train); break;
    case OptionMenuEntries::ShowLorryStationNames: _facility_display_opt.Flip(StationFacility::TruckStop); break;
    case OptionMenuEntries::ShowBusStationNames: _facility_display_opt.Flip(StationFacility::BusStop); break;
    case OptionMenuEntries::ShowDockNames: _facility_display_opt.Flip(StationFacility::Dock); break;
    case OptionMenuEntries::ShowAirportNames: _facility_display_opt.Flip(StationFacility::Airport); break;
    case OptionMenuEntries::ShowGhostStationNames: _facility_display_opt.Flip(STATION_FACILITY_GHOST); break;
    case OptionMenuEntries::ShowWaypointNames: _display_opt.Flip(DisplayOption::ShowWaypointNames); break;
    case OptionMenuEntries::ShowSigns: _display_opt.Flip(DisplayOption::ShowSigns); break;
    case OptionMenuEntries::ShowCompetitorSigns:
      _display_opt.Flip(DisplayOption::ShowCompetitorSigns);
      InvalidateWindowClassesData(WindowClass::SignList, -1);
      break;
    case OptionMenuEntries::FullAnimation: _display_opt.Flip(DisplayOption::FullAnimation); CheckBlitter(); break;
    case OptionMenuEntries::FullDetails: _display_opt.Flip(DisplayOption::FullDetail); break;
    case OptionMenuEntries::TransparentBuildings: ToggleTransparency(TransparencyOption::Houses); break;
    case OptionMenuEntries::TransparentStationSigns: ToggleTransparency(TransparencyOption::Signs); break;
  }
  MarkWholeScreenDirty();
  return CallBackFunction::None;
}

enum class SaveLoadEditorMenuEntries : uint8_t {
  SaveScenario = 0, 
  LoadScenario, 
  SaveHeightmap, 
  LoadHeightmap, 
  ExitToMainMenu, 
  ExitGame, 
};

enum class SaveLoadNormalMenuEntries : uint8_t {
  SaveGame = 0, 
  LoadGame, 
  ExitToMainMenu, 
  ExitGame, 
};

static CallBackFunction ToolbarSaveClick(Window *w)
{
  PopupMainToolbarMenu(w, WID_TN_SAVE, {STR_FILE_MENU_SAVE_GAME, STR_FILE_MENU_LOAD_GAME, STR_FILE_MENU_QUIT_GAME,
      STR_NULL, STR_FILE_MENU_EXIT});
  return CallBackFunction::None;
}

static CallBackFunction ToolbarScenSaveOrLoad(Window *w)
{
  PopupMainToolbarMenu(w, WID_TE_SAVE, {STR_SCENEDIT_FILE_MENU_SAVE_SCENARIO, STR_SCENEDIT_FILE_MENU_LOAD_SCENARIO,
      STR_SCENEDIT_FILE_MENU_SAVE_HEIGHTMAP, STR_SCENEDIT_FILE_MENU_LOAD_HEIGHTMAP,
      STR_SCENEDIT_FILE_MENU_QUIT_EDITOR, STR_NULL, STR_SCENEDIT_FILE_MENU_QUIT});
  return CallBackFunction::None;
}

static CallBackFunction MenuClickSaveLoad(int index = 0)
{
  if (_game_mode == GameMode::Editor) {
    switch (SaveLoadEditorMenuEntries(index)) {
      case SaveLoadEditorMenuEntries::SaveScenario: ShowSaveLoadDialog(AbstractFileType::Scenario, SaveLoadOperation::Save); break;
      case SaveLoadEditorMenuEntries::LoadScenario: ShowSaveLoadDialog(AbstractFileType::Scenario, SaveLoadOperation::Load); break;
      case SaveLoadEditorMenuEntries::SaveHeightmap: ShowSaveLoadDialog(AbstractFileType::Heightmap, SaveLoadOperation::Save); break;
      case SaveLoadEditorMenuEntries::LoadHeightmap: ShowSaveLoadDialog(AbstractFileType::Heightmap, SaveLoadOperation::Load); break;
      case SaveLoadEditorMenuEntries::ExitToMainMenu: AskExitToGameMenu(); break;
      case SaveLoadEditorMenuEntries::ExitGame: HandleExitGameRequest(); break;
    }
  } else {
    switch (SaveLoadNormalMenuEntries(index)) {
      case SaveLoadNormalMenuEntries::SaveGame: ShowSaveLoadDialog(AbstractFileType::Savegame, SaveLoadOperation::Save); break;
      case SaveLoadNormalMenuEntries::LoadGame: ShowSaveLoadDialog(AbstractFileType::Savegame, SaveLoadOperation::Load); break;
      case SaveLoadNormalMenuEntries::ExitToMainMenu: AskExitToGameMenu(); break;
      case SaveLoadNormalMenuEntries::ExitGame: HandleExitGameRequest(); break;
    }
  }
  return CallBackFunction::None;
}
 
/* --- Map button menu --- */

enum class MapMenuEntries : uint8_t {
  ShowSmallMap = 0, 
  ShowExtraViewport, 
  ShowLinkGraph, 
  ShowSignList, 
  ShowTownDirectory, 
  ShowIndustryDirectory, 
};
 
static CallBackFunction ToolbarMapClick(Window *w)
{
  DropDownList list;
  list.push_back(MakeDropDownListStringItem(STR_MAP_MENU_MAP_OF_WORLD, MapMenuEntries::ShowSmallMap));
  list.push_back(MakeDropDownListStringItem(STR_MAP_MENU_EXTRA_VIEWPORT, MapMenuEntries::ShowExtraViewport));
  list.push_back(MakeDropDownListStringItem(STR_MAP_MENU_LINGRAPH_LEGEND, MapMenuEntries::ShowLinkGraph));
  list.push_back(MakeDropDownListStringItem(STR_MAP_MENU_SIGN_LIST, MapMenuEntries::ShowSignList));
  PopupMainToolbarMenu(w, WID_TN_SMALL_MAP, std::move(list), 0);
  return CallBackFunction::None;
}
 
static CallBackFunction ToolbarScenMapTownDir(Window *w)
{
  DropDownList list;
  list.push_back(MakeDropDownListStringItem(STR_MAP_MENU_MAP_OF_WORLD, MapMenuEntries::ShowSmallMap));
  list.push_back(MakeDropDownListStringItem(STR_MAP_MENU_EXTRA_VIEWPORT, MapMenuEntries::ShowExtraViewport));
  list.push_back(MakeDropDownListStringItem(STR_MAP_MENU_SIGN_LIST, MapMenuEntries::ShowSignList));
  list.push_back(MakeDropDownListStringItem(STR_TOWN_MENU_TOWN_DIRECTORY, MapMenuEntries::ShowTownDirectory));
  list.push_back(MakeDropDownListStringItem(STR_INDUSTRY_MENU_INDUSTRY_DIRECTORY, MapMenuEntries::ShowIndustryDirectory));
  PopupMainToolbarMenu(w, WID_TE_SMALL_MAP, std::move(list), 0);
  return CallBackFunction::None;
}

static CallBackFunction MenuClickMap(int index)
{
  switch (MapMenuEntries(index)) {
    case MapMenuEntries::ShowSmallMap: ShowSmallMap(); break;
    case MapMenuEntries::ShowExtraViewport: ShowExtraViewportWindow(); break;
    case MapMenuEntries::ShowLinkGraph: ShowLinkGraphLegend(); break;
    case MapMenuEntries::ShowSignList: ShowSignList(); break;
    case MapMenuEntries::ShowTownDirectory: ShowTownDirectory(); break;
    case MapMenuEntries::ShowIndustryDirectory: ShowIndustryDirectory(); break;
  }
  return CallBackFunction::None;
}
 
/* --- Town button menu --- */

enum class TownMenuEntries {
  ShowDirectory = 0, 
  ShowFoundTown, 
  ShowPlaceHouses, 
};
 
static CallBackFunction ToolbarTownClick(Window *w)
{
  DropDownList list;
  list.push_back(MakeDropDownListStringItem(STR_TOWN_MENU_TOWN_DIRECTORY, TownMenuEntries::ShowDirectory));
  if (_settings_game.economy.found_town != TF_FORBIDDEN) list.push_back(MakeDropDownListStringItem(STR_TOWN_MENU_FOUND_TOWN, TownMenuEntries::ShowFoundTown));
  if (_settings_game.economy.place_houses != PlaceHouses::Forbidden) list.push_back(MakeDropDownListStringItem(STR_SCENEDIT_TOWN_MENU_PACE_HOUSE, TownMenuEntries::ShowPlaceHouses));
 
  PopupMainToolbarMenu(w, WID_TN_TOWNS, std::move(list), 0);
 
  return CallBackFunction::None;
}

static CallBackFunction MenuClickTown(int index)
{
  switch (TownMenuEntries(index)) {
    case TownMenuEntries::ShowDirectory: ShowTownDirectory(); break;
    case TownMenuEntries::ShowFoundTown: // Setting could be changed when the dropdown was open
      if (_settings_game.economy.found_town != TF_FORBIDDEN) ShowFoundTownWindow();
      break;
    case TownMenuEntries::ShowPlaceHouses: // Setting could be changed when the dropdown was open
      if (_settings_game.economy.place_houses != PlaceHouses::Forbidden) ShowBuildHousePicker(nullptr);
      break;
  }
  return CallBackFunction::None;
}
 
/* --- Subidies button menu --- */
 
static CallBackFunction ToolbarSubsidiesClick(Window *w)
{
  PopupMainToolbarMenu(w, WID_TN_SUBSIDIES, {STR_SUBSIDIES_MENU_SUBSIDIES});
  return CallBackFunction::None;
}

static CallBackFunction MenuClickSubsidies(int)
{
  ShowSubsidiesList();
  return CallBackFunction::None;
}
 
/* --- Stations button menu --- */
 
static CallBackFunction ToolbarStationsClick(Window *w)
{
  PopupMainCompanyToolbMenu(w, WID_TN_STATIONS);
  return CallBackFunction::None;
}

static CallBackFunction MenuClickStations(int index)
{
  ShowCompanyStations((CompanyID)index);
  return CallBackFunction::None;
}
 
/* --- Finances button menu --- */
 
static CallBackFunction ToolbarFinancesClick(Window *w)
{
  PopupMainCompanyToolbMenu(w, WID_TN_FINANCES);
  return CallBackFunction::None;
}

static CallBackFunction MenuClickFinances(int index)
{
  ShowCompanyFinances((CompanyID)index);
  return CallBackFunction::None;
}
 
/* --- Company's button menu --- */
 
static CallBackFunction ToolbarCompaniesClick(Window *w)
{
  PopupMainCompanyToolbMenu(w, WID_TN_COMPANIES);
  return CallBackFunction::None;
}

static CallBackFunction MenuClickCompany(int index)
{
  if (_networking) {
    switch (index) {
      case CTMN_CLIENT_LIST:
        ShowClientList();
        return CallBackFunction::None;
 
      case CTMN_SPECTATE:
        if (_network_server) {
          NetworkServerDoMove(CLIENT_ID_SERVER, COMPANY_SPECTATOR);
          MarkWholeScreenDirty();
        } else {
          NetworkClientRequestMove(COMPANY_SPECTATOR);
        }
        return CallBackFunction::None;
    }
  }
  ShowCompany((CompanyID)index);
  return CallBackFunction::None;
}
 
/* --- Story button menu --- */
 
static CallBackFunction ToolbarStoryClick(Window *w)
{
  PopupMainCompanyToolbMenu(w, WID_TN_STORY);
  return CallBackFunction::None;
}

static CallBackFunction MenuClickStory(int index)
{
  ShowStoryBook(CompanyID(index));
  return CallBackFunction::None;
}
 
/* --- Goal button menu --- */
 
static CallBackFunction ToolbarGoalClick(Window *w)
{
  PopupMainCompanyToolbMenu(w, WID_TN_GOAL);
  return CallBackFunction::None;
}

static CallBackFunction MenuClickGoal(int index)
{
  ShowGoalsList(CompanyID(index));
  return CallBackFunction::None;
}
 
/* --- Graphs and League Table button menu --- */

static const int GRMN_OPERATING_PROFIT_GRAPH = -1;    
static const int GRMN_INCOME_GRAPH = -2;              
static const int GRMN_DELIVERED_CARGO_GRAPH = -3;     
static const int GRMN_PERFORMANCE_HISTORY_GRAPH = -4; 
static const int GRMN_COMPANY_VALUE_GRAPH = -5;       
static const int GRMN_CARGO_PAYMENT_RATES = -6;       
static const int LTMN_PERFORMANCE_LEAGUE = -7;        
static const int LTMN_PERFORMANCE_RATING = -8;        
static const int LTMN_HIGHSCORE          = -9;        
 
static void AddDropDownLeagueTableOptions(DropDownList &list)
{
  if (LeagueTable::GetNumItems() > 0) {
    for (LeagueTable *lt : LeagueTable::Iterate()) {
      list.push_back(MakeDropDownListStringItem(lt->title.GetDecodedString(), lt->index.base()));
    }
  } else {
    list.push_back(MakeDropDownListStringItem(STR_GRAPH_MENU_COMPANY_LEAGUE_TABLE, LTMN_PERFORMANCE_LEAGUE));
    list.push_back(MakeDropDownListStringItem(STR_GRAPH_MENU_DETAILED_PERFORMANCE_RATING, LTMN_PERFORMANCE_RATING));
    if (!_networking) {
      list.push_back(MakeDropDownListStringItem(STR_GRAPH_MENU_HIGHSCORE, LTMN_HIGHSCORE));
    }
  }
}
 
static CallBackFunction ToolbarGraphsClick(Window *w)
{
  DropDownList list;
 
  list.push_back(MakeDropDownListStringItem(STR_GRAPH_MENU_OPERATING_PROFIT_GRAPH, GRMN_OPERATING_PROFIT_GRAPH));
  list.push_back(MakeDropDownListStringItem(STR_GRAPH_MENU_INCOME_GRAPH, GRMN_INCOME_GRAPH));
  list.push_back(MakeDropDownListStringItem(STR_GRAPH_MENU_DELIVERED_CARGO_GRAPH, GRMN_DELIVERED_CARGO_GRAPH));
  list.push_back(MakeDropDownListStringItem(STR_GRAPH_MENU_PERFORMANCE_HISTORY_GRAPH, GRMN_PERFORMANCE_HISTORY_GRAPH));
  list.push_back(MakeDropDownListStringItem(STR_GRAPH_MENU_COMPANY_VALUE_GRAPH, GRMN_COMPANY_VALUE_GRAPH));
  list.push_back(MakeDropDownListStringItem(STR_GRAPH_MENU_CARGO_PAYMENT_RATES, GRMN_CARGO_PAYMENT_RATES));
 
  if (_toolbar_mode != ToolbarMode::Normal) AddDropDownLeagueTableOptions(list);
 
  ShowDropDownList(w, std::move(list), GRMN_OPERATING_PROFIT_GRAPH, WID_TN_GRAPHS, 140, GetToolbarDropDownOptions());
  return CallBackFunction::None;
}
 
static CallBackFunction ToolbarLeagueClick(Window *w)
{
  DropDownList list;
 
  AddDropDownLeagueTableOptions(list);
 
  int selected = list[0]->result;
  ShowDropDownList(w, std::move(list), selected, WID_TN_LEAGUE, 140, GetToolbarDropDownOptions());
  return CallBackFunction::None;
}

static CallBackFunction MenuClickGraphsOrLeague(int index)
{
  switch (index) {
    case GRMN_OPERATING_PROFIT_GRAPH: ShowOperatingProfitGraph(); break;
    case GRMN_INCOME_GRAPH: ShowIncomeGraph(); break;
    case GRMN_DELIVERED_CARGO_GRAPH: ShowDeliveredCargoGraph(); break;
    case GRMN_PERFORMANCE_HISTORY_GRAPH: ShowPerformanceHistoryGraph(); break;
    case GRMN_COMPANY_VALUE_GRAPH: ShowCompanyValueGraph(); break;
    case GRMN_CARGO_PAYMENT_RATES: ShowCargoPaymentRates(); break;
    case LTMN_PERFORMANCE_LEAGUE: ShowPerformanceLeagueTable(); break;
    case LTMN_PERFORMANCE_RATING: ShowPerformanceRatingDetail(); break;
    case LTMN_HIGHSCORE: ShowHighscoreTable(); break;
    default: {
      if (LeagueTable::IsValidID(index)) {
        ShowScriptLeagueTable((LeagueTableID)index);
      }
    }
  }
  return CallBackFunction::None;
}
 
 
 
/* --- Industries button menu --- */
 
static CallBackFunction ToolbarIndustryClick(Window *w)
{
  /* Disable build-industry menu if we are a spectator */
  if (_local_company == COMPANY_SPECTATOR) {
    PopupMainToolbarMenu(w, WID_TN_INDUSTRIES, {STR_INDUSTRY_MENU_INDUSTRY_DIRECTORY, STR_INDUSTRY_MENU_INDUSTRY_CHAIN});
  } else {
    PopupMainToolbarMenu(w, WID_TN_INDUSTRIES, {STR_INDUSTRY_MENU_INDUSTRY_DIRECTORY, STR_INDUSTRY_MENU_INDUSTRY_CHAIN, STR_INDUSTRY_MENU_FUND_NEW_INDUSTRY});
  }
  return CallBackFunction::None;
}

static CallBackFunction MenuClickIndustry(int index)
{
  switch (index) {
    case 0: ShowIndustryDirectory();     break;
    case 1: ShowIndustryCargoesWindow(); break;
    case 2: ShowBuildIndustryWindow();   break;
  }
  return CallBackFunction::None;
}
 
/* --- Trains button menu + 1 helper function for all vehicles. --- */
 
static void ToolbarVehicleClick(Window *w, VehicleType veh)
{
  CompanyMask dis{};
 
  for (const Company *c : Company::Iterate()) {
    if (c->group_all[veh].num_vehicle == 0) dis.Set(c->index);
  }
  PopupMainCompanyToolbMenu(w, WID_TN_VEHICLE_START + veh, dis);
}
 
 
static CallBackFunction ToolbarTrainClick(Window *w)
{
  ToolbarVehicleClick(w, VehicleType::Train);
  return CallBackFunction::None;
}

static CallBackFunction MenuClickShowTrains(int index)
{
  ShowVehicleListWindow((CompanyID)index, VehicleType::Train);
  return CallBackFunction::None;
}
 
/* --- Road vehicle button menu --- */
 
static CallBackFunction ToolbarRoadClick(Window *w)
{
  ToolbarVehicleClick(w, VehicleType::Road);
  return CallBackFunction::None;
}

static CallBackFunction MenuClickShowRoad(int index)
{
  ShowVehicleListWindow((CompanyID)index, VehicleType::Road);
  return CallBackFunction::None;
}
 
/* --- Ship button menu --- */
 
static CallBackFunction ToolbarShipClick(Window *w)
{
  ToolbarVehicleClick(w, VehicleType::Ship);
  return CallBackFunction::None;
}

static CallBackFunction MenuClickShowShips(int index)
{
  ShowVehicleListWindow((CompanyID)index, VehicleType::Ship);
  return CallBackFunction::None;
}
 
/* --- Aircraft button menu --- */
 
static CallBackFunction ToolbarAirClick(Window *w)
{
  ToolbarVehicleClick(w, VehicleType::Aircraft);
  return CallBackFunction::None;
}

static CallBackFunction MenuClickShowAir(int index)
{
  ShowVehicleListWindow((CompanyID)index, VehicleType::Aircraft);
  return CallBackFunction::None;
}
 
/* --- Zoom in button --- */
 
static CallBackFunction ToolbarZoomInClick(Window *w)
{
  if (DoZoomInOutWindow(ZOOM_IN, GetMainWindow())) {
    w->HandleButtonClick((_game_mode == GameMode::Editor) ? (WidgetID)WID_TE_ZOOM_IN : (WidgetID)WID_TN_ZOOM_IN);
  }
  return CallBackFunction::None;
}
 
/* --- Zoom out button --- */
 
static CallBackFunction ToolbarZoomOutClick(Window *w)
{
  if (DoZoomInOutWindow(ZOOM_OUT, GetMainWindow())) {
    w->HandleButtonClick((_game_mode == GameMode::Editor) ? (WidgetID)WID_TE_ZOOM_OUT : (WidgetID)WID_TN_ZOOM_OUT);
  }
  return CallBackFunction::None;
}
 
/* --- Rail button menu --- */
 
static std::string _railtype_filter; 
static std::string _roadtype_filter; 
static std::string _tramtype_filter; 
 
static CallBackFunction ToolbarBuildRailClick(Window *w)
{
  ShowDropDownList(w, GetRailTypeDropDownList(), _last_built_railtype, WID_TN_RAILS, 140, GetToolbarDropDownOptions(DropDownOption::Filterable), &_railtype_filter);
  return CallBackFunction::None;
}

static CallBackFunction MenuClickBuildRail(int index)
{
  _last_built_railtype = (RailType)index;
  ShowBuildRailToolbar(_last_built_railtype);
  return CallBackFunction::None;
}
 
/* --- Road button menu --- */
 
static CallBackFunction ToolbarBuildRoadClick(Window *w)
{
  ShowDropDownList(w, GetRoadTypeDropDownList(RoadTramType::Road), _last_built_roadtype, WID_TN_ROADS, 140, GetToolbarDropDownOptions(DropDownOption::Filterable), &_roadtype_filter);
  return CallBackFunction::None;
}

static CallBackFunction MenuClickBuildRoad(int index)
{
  _last_built_roadtype = (RoadType)index;
  ShowBuildRoadToolbar(_last_built_roadtype);
  return CallBackFunction::None;
}
 
/* --- Tram button menu --- */
 
static CallBackFunction ToolbarBuildTramClick(Window *w)
{
  ShowDropDownList(w, GetRoadTypeDropDownList(RoadTramType::Tram), _last_built_tramtype, WID_TN_TRAMS, 140, GetToolbarDropDownOptions(DropDownOption::Filterable), &_tramtype_filter);
  return CallBackFunction::None;
}

static CallBackFunction MenuClickBuildTram(int index)
{
  _last_built_tramtype = (RoadType)index;
  ShowBuildRoadToolbar(_last_built_tramtype);
  return CallBackFunction::None;
}
 
/* --- Water button menu --- */
 
static CallBackFunction ToolbarBuildWaterClick(Window *w)
{
  DropDownList list;
  list.push_back(MakeDropDownListIconItem(SPR_IMG_BUILD_CANAL, PAL_NONE, STR_WATERWAYS_MENU_WATERWAYS_CONSTRUCTION, 0));
  ShowDropDownList(w, std::move(list), 0, WID_TN_WATER, 140, GetToolbarDropDownOptions());
  return CallBackFunction::None;
}

static CallBackFunction MenuClickBuildWater(int)
{
  ShowBuildDocksToolbar();
  return CallBackFunction::None;
}
 
/* --- Airport button menu --- */
 
static CallBackFunction ToolbarBuildAirClick(Window *w)
{
  DropDownList list;
  list.push_back(MakeDropDownListIconItem(SPR_IMG_AIRPORT, PAL_NONE, STR_AIRCRAFT_MENU_AIRPORT_CONSTRUCTION, 0));
  ShowDropDownList(w, std::move(list), 0, WID_TN_AIR, 140, GetToolbarDropDownOptions());
  return CallBackFunction::None;
}

static CallBackFunction MenuClickBuildAir(int)
{
  ShowBuildAirToolbar();
  return CallBackFunction::None;
}
 
/* --- Forest button menu --- */
 
static CallBackFunction ToolbarForestClick(Window *w)
{
  DropDownList list;
  list.push_back(MakeDropDownListIconItem(SPR_IMG_LANDSCAPING, PAL_NONE, STR_LANDSCAPING_MENU_LANDSCAPING, 0));
  list.push_back(MakeDropDownListIconItem(SPR_IMG_PLANTTREES, PAL_NONE, STR_LANDSCAPING_MENU_PLANT_TREES, 1));
  list.push_back(MakeDropDownListIconItem(SPR_IMG_SIGN, PAL_NONE, STR_LANDSCAPING_MENU_PLACE_SIGN, 2));
  if (ObjectClass::GetUIClassCount() != 0) {
    list.push_back(MakeDropDownListIconItem(SPR_IMG_TRANSMITTER, PAL_NONE, STR_LANDSCAPING_MENU_PLACE_OBJECT, 3));
  }
  ShowDropDownList(w, std::move(list), 0, WID_TN_LANDSCAPE, 100, GetToolbarDropDownOptions());
  return CallBackFunction::None;
}

static CallBackFunction MenuClickForest(int index)
{
  switch (index) {
    case 0: ShowTerraformToolbar();  break;
    case 1: ShowBuildTreesToolbar(); break;
    case 2: return SelectSignTool();
    case 3: ShowBuildObjectPicker(); break;
  }
  return CallBackFunction::None;
}
 
/* --- Music button menu --- */
 
static CallBackFunction ToolbarMusicClick(Window *w)
{
  PopupMainToolbarMenu(w, _game_mode == GameMode::Editor ? (WidgetID)WID_TE_MUSIC_SOUND : (WidgetID)WID_TN_MUSIC_SOUND, {STR_TOOLBAR_SOUND_MUSIC});
  return CallBackFunction::None;
}

static CallBackFunction MenuClickMusicWindow(int)
{
  ShowMusicWindow();
  return CallBackFunction::None;
}
 
/* --- Newspaper button menu --- */
 
static CallBackFunction ToolbarNewspaperClick(Window *w)
{
  PopupMainToolbarMenu(w, WID_TN_MESSAGES, {STR_NEWS_MENU_LAST_MESSAGE_NEWS_REPORT, STR_NEWS_MENU_MESSAGE_HISTORY_MENU, STR_NEWS_MENU_DELETE_ALL_MESSAGES});
  return CallBackFunction::None;
}

static CallBackFunction MenuClickNewspaper(int index)
{
  switch (index) {
    case 0: ShowLastNewsMessage(); break;
    case 1: ShowMessageHistory();  break;
    case 2: DeleteAllMessages();   break;
  }
  return CallBackFunction::None;
}
 
/* --- Help button menu --- */
 
static CallBackFunction PlaceLandBlockInfo()
{
  if (_last_started_action == CallBackFunction::PlaceLandInfo) {
    ResetObjectToPlace();
    return CallBackFunction::None;
  } else {
    SetObjectToPlace(SPR_CURSOR_QUERY, PAL_NONE, HT_RECT, WindowClass::MainToolbar, 0);
    return CallBackFunction::PlaceLandInfo;
  }
}
 
static CallBackFunction ToolbarHelpClick(Window *w)
{
  if (_settings_client.gui.newgrf_developer_tools) {
    PopupMainToolbarMenu(w, _game_mode == GameMode::Editor ? (WidgetID)WID_TE_HELP : (WidgetID)WID_TN_HELP, {STR_ABOUT_MENU_LAND_BLOCK_INFO,
        STR_ABOUT_MENU_HELP, STR_NULL, STR_ABOUT_MENU_TOGGLE_CONSOLE, STR_ABOUT_MENU_AI_DEBUG,
        STR_ABOUT_MENU_SCREENSHOT, STR_ABOUT_MENU_SHOW_FRAMERATE, STR_ABOUT_MENU_ABOUT_OPENTTD,
        STR_ABOUT_MENU_SPRITE_ALIGNER, STR_ABOUT_MENU_TOGGLE_BOUNDING_BOXES, STR_ABOUT_MENU_TOGGLE_DIRTY_BLOCKS,
        STR_ABOUT_MENU_TOGGLE_WIDGET_OUTLINES});
  } else {
    PopupMainToolbarMenu(w, _game_mode == GameMode::Editor ? (WidgetID)WID_TE_HELP : (WidgetID)WID_TN_HELP, {STR_ABOUT_MENU_LAND_BLOCK_INFO,
        STR_ABOUT_MENU_HELP, STR_NULL, STR_ABOUT_MENU_TOGGLE_CONSOLE, STR_ABOUT_MENU_AI_DEBUG,
        STR_ABOUT_MENU_SCREENSHOT, STR_ABOUT_MENU_SHOW_FRAMERATE, STR_ABOUT_MENU_ABOUT_OPENTTD});
  }
  return CallBackFunction::None;
}

void ToggleBoundingBoxes()
{
  extern bool _draw_bounding_boxes;
  /* Always allow to toggle them off */
  if (_settings_client.gui.newgrf_developer_tools || _draw_bounding_boxes) {
    _draw_bounding_boxes = !_draw_bounding_boxes;
    MarkWholeScreenDirty();
  }
}

void ToggleDirtyBlocks()
{
  extern bool _draw_dirty_blocks;
  /* Always allow to toggle them off */
  if (_settings_client.gui.newgrf_developer_tools || _draw_dirty_blocks) {
    _draw_dirty_blocks = !_draw_dirty_blocks;
    MarkWholeScreenDirty();
  }
}

void ToggleWidgetOutlines()
{
  extern bool _draw_widget_outlines;
  /* Always allow to toggle them off */
  if (_settings_client.gui.newgrf_developer_tools || _draw_widget_outlines) {
    _draw_widget_outlines = !_draw_widget_outlines;
    MarkWholeScreenDirty();
  }
}

void SetStartingYear(TimerGameCalendar::Year year)
{
  _settings_game.game_creation.starting_year = Clamp(year, CalendarTime::MIN_YEAR, CalendarTime::MAX_YEAR);
  TimerGameCalendar::Date new_calendar_date = TimerGameCalendar::ConvertYMDToDate(_settings_game.game_creation.starting_year, 0, 1);
  TimerGameEconomy::Date new_economy_date{new_calendar_date.base()};
 
  /* We must set both Calendar and Economy dates to keep them in sync. Calendar first. */
  TimerGameCalendar::SetDate(new_calendar_date, 0);
 
  /* If you open a savegame as a scenario, there may already be link graphs and/or vehicles. These use economy date. */
  LinkGraphSchedule::instance.ShiftDates(new_economy_date - TimerGameEconomy::date);
  for (auto v : Vehicle::Iterate()) v->ShiftDates(new_economy_date - TimerGameEconomy::date);
 
  /* Only change the date after changing cached values above. */
  TimerGameEconomy::SetDate(new_economy_date, 0);
}

static CallBackFunction MenuClickHelp(int index)
{
  switch (index) {
    case  0: return PlaceLandBlockInfo();
    case  1: ShowHelpWindow();                 break;
    case  2: IConsoleSwitch();                 break;
    case  3: ShowScriptDebugWindow(CompanyID::Invalid(), _ctrl_pressed); break;
    case  4: ShowScreenshotWindow();           break;
    case  5: ShowFramerateWindow();            break;
    case  6: ShowAboutWindow();                break;
    case  7: ShowSpriteAlignerWindow();        break;
    case  8: ToggleBoundingBoxes();            break;
    case  9: ToggleDirtyBlocks();              break;
    case 10: ToggleWidgetOutlines();           break;
  }
  return CallBackFunction::None;
}
 
/* --- Switch toolbar button --- */
 
static CallBackFunction ToolbarSwitchClick(Window *w)
{
  if (_toolbar_mode != ToolbarMode::Lower) {
    _toolbar_mode = ToolbarMode::Lower;
  } else {
    _toolbar_mode = ToolbarMode::Upper;
  }
 
  w->ReInit();
  w->SetWidgetLoweredState(_game_mode == GameMode::Editor ? (WidgetID)WID_TE_SWITCH_BAR : (WidgetID)WID_TN_SWITCH_BAR, _toolbar_mode == ToolbarMode::Lower);
  SndClickBeep();
  return CallBackFunction::None;
}
 
/* --- Scenario editor specific handlers. */

static CallBackFunction ToolbarScenDatePanel(Window *w)
{
  ShowQueryString(GetString(STR_JUST_INT, _settings_game.game_creation.starting_year), STR_MAPGEN_START_DATE_QUERY_CAPT, 8, w, CS_NUMERAL, QueryStringFlag::EnableDefault);
  return CallBackFunction::None;
}
 
static CallBackFunction ToolbarScenDateBackward(Window *w)
{
  /* don't allow too fast scrolling */
  if (!w->flags.Test(WindowFlag::Timeout) || w->timeout_timer <= 1) {
    w->HandleButtonClick(WID_TE_DATE_BACKWARD);
    w->SetDirty();
 
    SetStartingYear(_settings_game.game_creation.starting_year - 1);
  }
  _left_button_clicked = false;
  return CallBackFunction::None;
}
 
static CallBackFunction ToolbarScenDateForward(Window *w)
{
  /* don't allow too fast scrolling */
  if (!w->flags.Test(WindowFlag::Timeout) || w->timeout_timer <= 1) {
    w->HandleButtonClick(WID_TE_DATE_FORWARD);
    w->SetDirty();
 
    SetStartingYear(_settings_game.game_creation.starting_year + 1);
  }
  _left_button_clicked = false;
  return CallBackFunction::None;
}
 
static CallBackFunction ToolbarScenGenLand(Window *w)
{
  w->HandleButtonClick(WID_TE_LAND_GENERATE);
 
  ShowEditorTerraformToolbar();
  return CallBackFunction::None;
}
 
static CallBackFunction ToolbarScenGenTownClick(Window *w)
{
  PopupMainToolbarMenu(w, WID_TE_TOWN_GENERATE, {STR_SCENEDIT_TOWN_MENU_BUILD_TOWN, STR_SCENEDIT_TOWN_MENU_PACE_HOUSE});
  return CallBackFunction::None;
}
 
static CallBackFunction ToolbarScenGenTown(int index)
{
  switch (index) {
    case 0: ShowFoundTownWindow(); break;
    case 1: ShowBuildHousePicker(nullptr); break;
  }
  return CallBackFunction::None;
}
 
static CallBackFunction ToolbarScenGenIndustry(Window *w)
{
  w->HandleButtonClick(WID_TE_INDUSTRY);
  ShowBuildIndustryWindow();
  return CallBackFunction::None;
}
 
static CallBackFunction ToolbarScenBuildRoadClick(Window *w)
{
  ShowDropDownList(w, GetScenRoadTypeDropDownList(RoadTramType::Road), _last_built_roadtype, WID_TE_ROADS, 140, GetToolbarDropDownOptions(DropDownOption::Filterable), &_roadtype_filter);
  return CallBackFunction::None;
}

static CallBackFunction ToolbarScenBuildRoad(int index)
{
  _last_built_roadtype = (RoadType)index;
  ShowBuildRoadScenToolbar(_last_built_roadtype);
  return CallBackFunction::None;
}
 
static CallBackFunction ToolbarScenBuildTramClick(Window *w)
{
  ShowDropDownList(w, GetScenRoadTypeDropDownList(RoadTramType::Tram), _last_built_tramtype, WID_TE_TRAMS, 140, GetToolbarDropDownOptions(DropDownOption::Filterable), &_tramtype_filter);
  return CallBackFunction::None;
}

static CallBackFunction ToolbarScenBuildTram(int index)
{
  _last_built_tramtype = (RoadType)index;
  ShowBuildRoadScenToolbar(_last_built_tramtype);
  return CallBackFunction::None;
}
 
static CallBackFunction ToolbarScenBuildDocks(Window *w)
{
  w->HandleButtonClick(WID_TE_WATER);
  ShowBuildDocksScenToolbar();
  return CallBackFunction::None;
}
 
static CallBackFunction ToolbarScenPlantTrees(Window *w)
{
  w->HandleButtonClick(WID_TE_TREES);
  ShowBuildTreesToolbar();
  return CallBackFunction::None;
}
 
static CallBackFunction ToolbarScenPlaceSign(Window *w)
{
  w->HandleButtonClick(WID_TE_SIGNS);
  return SelectSignTool();
}
 
static CallBackFunction ToolbarBtn_NULL(Window *)
{
  return CallBackFunction::None;
}
 
typedef CallBackFunction MenuClickedProc(int index);
 
static MenuClickedProc * const _menu_clicked_procs[] = {
  nullptr,                 // 0
  nullptr,                 // 1
  MenuClickSettings,    // 2
  MenuClickSaveLoad,    // 3
  MenuClickMap,         // 4
  MenuClickTown,        // 5
  MenuClickSubsidies,   // 6
  MenuClickStations,    // 7
  MenuClickFinances,    // 8
  MenuClickCompany,     // 9
  MenuClickStory,       // 10
  MenuClickGoal,        // 11
  MenuClickGraphsOrLeague, // 12
  MenuClickGraphsOrLeague, // 13
  MenuClickIndustry,    // 14
  MenuClickShowTrains,  // 15
  MenuClickShowRoad,    // 16
  MenuClickShowShips,   // 17
  MenuClickShowAir,     // 18
  MenuClickMap,         // 19
  nullptr,                 // 20
  MenuClickBuildRail,   // 21
  MenuClickBuildRoad,   // 22
  MenuClickBuildTram,   // 23
  MenuClickBuildWater,  // 24
  MenuClickBuildAir,    // 25
  MenuClickForest,      // 26
  MenuClickMusicWindow, // 27
  MenuClickNewspaper,   // 28
  MenuClickHelp,        // 29
};

class NWidgetToolbarContainer : public NWidgetContainer {
protected:
  uint spacers = 0; 
 
public:
  NWidgetToolbarContainer() : NWidgetContainer(NWID_HORIZONTAL)
  {
  }

  bool IsButton(WidgetType type) const
  {
    return type == WWT_IMGBTN || type == WWT_IMGBTN_2 || type == WWT_PUSHIMGBTN;
  }
 
  void SetupSmallestSize(Window *w) override
  {
    this->smallest_x = 0; // Biggest child
    this->smallest_y = 0; // Biggest child
    this->fill_x = 1;
    this->fill_y = 0;
    this->resize_x = 1; // We only resize in this direction
    this->resize_y = 0; // We never resize in this direction
    this->spacers = 0;
 
    uint nbuttons = 0;
    /* First initialise some variables... */
    for (const auto &child_wid : this->children) {
      child_wid->SetupSmallestSize(w);
      this->smallest_y = std::max(this->smallest_y, child_wid->smallest_y + child_wid->padding.Vertical());
      if (this->IsButton(child_wid->type)) {
        nbuttons++;
        this->smallest_x = std::max(this->smallest_x, child_wid->smallest_x + child_wid->padding.Horizontal());
      } else if (child_wid->type == NWID_SPACER) {
        this->spacers++;
      }
    }
 
    /* ... then in a second pass make sure the 'current' heights are set. Won't change ever. */
    for (const auto &child_wid : this->children) {
      child_wid->current_y = this->smallest_y;
      if (!this->IsButton(child_wid->type)) {
        child_wid->current_x = child_wid->smallest_x;
      }
    }
 
    /* Exclude the switcher button which is not displayed when the toolbar fits the screen. When the switch is
     * displayed there will be no spacers anyway. */
    --nbuttons;
 
    /* Allow space for all buttons, and include spacers at quarter the width of buttons. */
    _toolbar_width = nbuttons * this->smallest_x + this->spacers * this->smallest_x / 4;
  }
 
  void AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl) override
  {
    assert(given_width >= this->smallest_x && given_height >= this->smallest_y);
 
    this->pos_x = x;
    this->pos_y = y;
    this->current_x = given_width;
    this->current_y = given_height;
 
    /* Figure out what are the visible buttons */
    uint arrangeable_count, button_count, spacer_count;
    const WidgetID *arrangement = GetButtonArrangement(given_width, arrangeable_count, button_count, spacer_count);
 
    /* Create us ourselves a quick lookup table from WidgetID to slot. */
    std::map<WidgetID, uint> lookup;
    for (auto it = std::begin(this->children); it != std::end(this->children); ++it) {
      NWidgetBase *nwid = it->get();
      nwid->current_x = 0; /* Hide widget, it will be revealed in the next step. */
      if (nwid->type == NWID_SPACER) continue;
      NWidgetCore *nwc = dynamic_cast<NWidgetCore *>(nwid);
      assert(nwc != nullptr);
      lookup[nwc->GetIndex()] = std::distance(this->children.begin(), it);
    }
 
    /* Now assign the widgets to their rightful place */
    uint position = 0; // Place to put next child relative to origin of the container.
    uint spacer_space = std::max(0, (int)given_width - (int)(button_count * this->smallest_x)); // Remaining spacing for 'spacer' widgets
    uint button_space = given_width - spacer_space; // Remaining spacing for the buttons
    uint spacer_i = 0;
    uint button_i = 0;
 
    /* Index into the arrangement indices. */
    const WidgetID *slotp = rtl ? &arrangement[arrangeable_count - 1] : arrangement;
    for (uint i = 0; i < arrangeable_count; i++) {
      uint slot = lookup[*slotp];
      auto &child_wid = this->children[slot];
      /* If we have space to give to the spacers, do that. */
      if (spacer_space > 0 && slot > 0 && slot < this->children.size() - 1) {
        const auto &possible_spacer = this->children[slot + (rtl ? 1 : -1)];
        if (possible_spacer != nullptr && possible_spacer->type == NWID_SPACER) {
          uint add = spacer_space / (spacer_count - spacer_i);
          position += add;
          spacer_space -= add;
          spacer_i++;
        }
      }
 
      /* Buttons can be scaled, the others not. */
      if (this->IsButton(child_wid->type)) {
        child_wid->current_x = button_space / (button_count - button_i);
        button_space -= child_wid->current_x;
        button_i++;
      } else {
        child_wid->current_x = child_wid->smallest_x;
      }
      child_wid->AssignSizePosition(sizing, x + position, y, child_wid->current_x, this->current_y, rtl);
      position += child_wid->current_x;
 
      if (rtl) {
        slotp--;
      } else {
        slotp++;
      }
    }
  }
 
  void Draw(const Window *w) override
  {
    /* Draw brown-red toolbar bg. */
    const Rect r = this->GetCurrentRect();
    GfxFillRect(r, PC_VERY_DARK_RED);
    GfxFillRect(r, PC_DARK_RED, FillRectMode::Checker);
 
    this->NWidgetContainer::Draw(w);
  }

  virtual const WidgetID *GetButtonArrangement(uint &width, uint &arrangeable_count, uint &button_count, uint &spacer_count) const = 0;
};

class NWidgetMainToolbarContainer : public NWidgetToolbarContainer {
  const WidgetID *GetButtonArrangement(uint &width, uint &arrangeable_count, uint &button_count, uint &spacer_count) const override
  {
    static const uint SMALLEST_ARRANGEMENT = 14;
    static const uint BIGGEST_ARRANGEMENT  = 20;
 
    /* The number of buttons of each row of the toolbar should match the number of items which we want to be visible.
     * The total number of buttons should be equal to arrangeable_count * 2.
     * No bad things happen, but we could see strange behaviours if we have buttons < (arrangeable_count * 2) like a
     * pause button appearing on the right of the lower toolbar and weird resizing of the widgets even if there is
     * enough space.
     */
    static const WidgetID arrange14[] = {
      WID_TN_PAUSE,
      WID_TN_FAST_FORWARD,
      WID_TN_TRAINS,
      WID_TN_ROADVEHS,
      WID_TN_SHIPS,
      WID_TN_AIRCRAFT,
      WID_TN_ZOOM_IN,
      WID_TN_ZOOM_OUT,
      WID_TN_RAILS,
      WID_TN_ROADS,
      WID_TN_WATER,
      WID_TN_AIR,
      WID_TN_LANDSCAPE,
      WID_TN_SWITCH_BAR,
      /* lower toolbar */
      WID_TN_SETTINGS,
      WID_TN_SAVE,
      WID_TN_SMALL_MAP,
      WID_TN_TOWNS,
      WID_TN_SUBSIDIES,
      WID_TN_STATIONS,
      WID_TN_FINANCES,
      WID_TN_COMPANIES,
      WID_TN_GRAPHS,
      WID_TN_INDUSTRIES,
      WID_TN_MUSIC_SOUND,
      WID_TN_MESSAGES,
      WID_TN_HELP,
      WID_TN_SWITCH_BAR,
    };
    static const WidgetID arrange15[] = {
      WID_TN_PAUSE,
      WID_TN_FAST_FORWARD,
      WID_TN_SMALL_MAP,
      WID_TN_TRAINS,
      WID_TN_ROADVEHS,
      WID_TN_SHIPS,
      WID_TN_AIRCRAFT,
      WID_TN_RAILS,
      WID_TN_ROADS,
      WID_TN_WATER,
      WID_TN_AIR,
      WID_TN_LANDSCAPE,
      WID_TN_ZOOM_IN,
      WID_TN_ZOOM_OUT,
      WID_TN_SWITCH_BAR,
      /* lower toolbar */
      WID_TN_PAUSE,
      WID_TN_SETTINGS,
      WID_TN_SMALL_MAP,
      WID_TN_SAVE,
      WID_TN_TOWNS,
      WID_TN_SUBSIDIES,
      WID_TN_STATIONS,
      WID_TN_FINANCES,
      WID_TN_COMPANIES,
      WID_TN_GRAPHS,
      WID_TN_INDUSTRIES,
      WID_TN_MUSIC_SOUND,
      WID_TN_MESSAGES,
      WID_TN_HELP,
      WID_TN_SWITCH_BAR,
    };
    static const WidgetID arrange16[] = {
      WID_TN_PAUSE,
      WID_TN_FAST_FORWARD,
      WID_TN_SETTINGS,
      WID_TN_SMALL_MAP,
      WID_TN_TRAINS,
      WID_TN_ROADVEHS,
      WID_TN_SHIPS,
      WID_TN_AIRCRAFT,
      WID_TN_RAILS,
      WID_TN_ROADS,
      WID_TN_WATER,
      WID_TN_AIR,
      WID_TN_LANDSCAPE,
      WID_TN_ZOOM_IN,
      WID_TN_ZOOM_OUT,
      WID_TN_SWITCH_BAR,
      /* lower toolbar */
      WID_TN_PAUSE,
      WID_TN_FAST_FORWARD,
      WID_TN_SAVE,
      WID_TN_TOWNS,
      WID_TN_SUBSIDIES,
      WID_TN_STATIONS,
      WID_TN_FINANCES,
      WID_TN_COMPANIES,
      WID_TN_GRAPHS,
      WID_TN_INDUSTRIES,
      WID_TN_MUSIC_SOUND,
      WID_TN_MESSAGES,
      WID_TN_HELP,
      WID_TN_ZOOM_IN,
      WID_TN_ZOOM_OUT,
      WID_TN_SWITCH_BAR,
    };
    static const WidgetID arrange17[] = {
      WID_TN_PAUSE,
      WID_TN_FAST_FORWARD,
      WID_TN_SETTINGS,
      WID_TN_SMALL_MAP,
      WID_TN_SUBSIDIES,
      WID_TN_TRAINS,
      WID_TN_ROADVEHS,
      WID_TN_SHIPS,
      WID_TN_AIRCRAFT,
      WID_TN_RAILS,
      WID_TN_ROADS,
      WID_TN_WATER,
      WID_TN_AIR,
      WID_TN_LANDSCAPE,
      WID_TN_ZOOM_IN,
      WID_TN_ZOOM_OUT,
      WID_TN_SWITCH_BAR,
      /* lower toolbar */
      WID_TN_PAUSE,
      WID_TN_FAST_FORWARD,
      WID_TN_SAVE,
      WID_TN_SMALL_MAP,
      WID_TN_SUBSIDIES,
      WID_TN_TOWNS,
      WID_TN_STATIONS,
      WID_TN_FINANCES,
      WID_TN_COMPANIES,
      WID_TN_GRAPHS,
      WID_TN_INDUSTRIES,
      WID_TN_MUSIC_SOUND,
      WID_TN_MESSAGES,
      WID_TN_HELP,
      WID_TN_ZOOM_IN,
      WID_TN_ZOOM_OUT,
      WID_TN_SWITCH_BAR,
    };
    static const WidgetID arrange18[] = {
      WID_TN_PAUSE,
      WID_TN_FAST_FORWARD,
      WID_TN_SETTINGS,
      WID_TN_SMALL_MAP,
      WID_TN_TOWNS,
      WID_TN_SUBSIDIES,
      WID_TN_STATIONS,
      WID_TN_FINANCES,
      WID_TN_COMPANIES,
      WID_TN_INDUSTRIES,
      WID_TN_RAILS,
      WID_TN_ROADS,
      WID_TN_WATER,
      WID_TN_AIR,
      WID_TN_LANDSCAPE,
      WID_TN_ZOOM_IN,
      WID_TN_ZOOM_OUT,
      WID_TN_SWITCH_BAR,
      /* lower toolbar */
      WID_TN_PAUSE,
      WID_TN_FAST_FORWARD,
      WID_TN_SAVE,
      WID_TN_SMALL_MAP,
      WID_TN_TOWNS,
      WID_TN_SUBSIDIES,
      WID_TN_STATIONS,
      WID_TN_GRAPHS,
      WID_TN_TRAINS,
      WID_TN_ROADVEHS,
      WID_TN_SHIPS,
      WID_TN_AIRCRAFT,
      WID_TN_MUSIC_SOUND,
      WID_TN_MESSAGES,
      WID_TN_HELP,
      WID_TN_ZOOM_IN,
      WID_TN_ZOOM_OUT,
      WID_TN_SWITCH_BAR,
    };
    static const WidgetID arrange19[] = {
      WID_TN_PAUSE,
      WID_TN_FAST_FORWARD,
      WID_TN_SETTINGS,
      WID_TN_SMALL_MAP,
      WID_TN_TOWNS,
      WID_TN_SUBSIDIES,
      WID_TN_TRAINS,
      WID_TN_ROADVEHS,
      WID_TN_SHIPS,
      WID_TN_AIRCRAFT,
      WID_TN_RAILS,
      WID_TN_ROADS,
      WID_TN_WATER,
      WID_TN_AIR,
      WID_TN_LANDSCAPE,
      WID_TN_MUSIC_SOUND,
      WID_TN_ZOOM_IN,
      WID_TN_ZOOM_OUT,
      WID_TN_SWITCH_BAR,
      /* lower toolbar */
      WID_TN_PAUSE,
      WID_TN_FAST_FORWARD,
      WID_TN_SAVE,
      WID_TN_SMALL_MAP,
      WID_TN_STATIONS,
      WID_TN_FINANCES,
      WID_TN_COMPANIES,
      WID_TN_GRAPHS,
      WID_TN_INDUSTRIES,
      WID_TN_MESSAGES,
      WID_TN_RAILS,
      WID_TN_ROADS,
      WID_TN_WATER,
      WID_TN_AIR,
      WID_TN_LANDSCAPE,
      WID_TN_HELP,
      WID_TN_ZOOM_IN,
      WID_TN_ZOOM_OUT,
      WID_TN_SWITCH_BAR,
    };
    static const WidgetID arrange20[] = {
      WID_TN_PAUSE,
      WID_TN_FAST_FORWARD,
      WID_TN_SETTINGS,
      WID_TN_SMALL_MAP,
      WID_TN_TOWNS,
      WID_TN_SUBSIDIES,
      WID_TN_TRAINS,
      WID_TN_ROADVEHS,
      WID_TN_SHIPS,
      WID_TN_AIRCRAFT,
      WID_TN_RAILS,
      WID_TN_ROADS,
      WID_TN_WATER,
      WID_TN_AIR,
      WID_TN_LANDSCAPE,
      WID_TN_MUSIC_SOUND,
      WID_TN_GOAL,
      WID_TN_ZOOM_IN,
      WID_TN_ZOOM_OUT,
      WID_TN_SWITCH_BAR,
      /* lower toolbar */
      WID_TN_PAUSE,
      WID_TN_FAST_FORWARD,
      WID_TN_SAVE,
      WID_TN_SMALL_MAP,
      WID_TN_STATIONS,
      WID_TN_FINANCES,
      WID_TN_COMPANIES,
      WID_TN_GRAPHS,
      WID_TN_INDUSTRIES,
      WID_TN_MESSAGES,
      WID_TN_RAILS,
      WID_TN_ROADS,
      WID_TN_WATER,
      WID_TN_AIR,
      WID_TN_LANDSCAPE,
      WID_TN_STORY,
      WID_TN_HELP,
      WID_TN_ZOOM_IN,
      WID_TN_ZOOM_OUT,
      WID_TN_SWITCH_BAR,
    };
    static const WidgetID arrange_all[] = {
      WID_TN_PAUSE,
      WID_TN_FAST_FORWARD,
      WID_TN_SETTINGS,
      WID_TN_SAVE,
      WID_TN_SMALL_MAP,
      WID_TN_TOWNS,
      WID_TN_SUBSIDIES,
      WID_TN_STATIONS,
      WID_TN_FINANCES,
      WID_TN_COMPANIES,
      WID_TN_STORY,
      WID_TN_GOAL,
      WID_TN_GRAPHS,
      WID_TN_LEAGUE,
      WID_TN_INDUSTRIES,
      WID_TN_TRAINS,
      WID_TN_ROADVEHS,
      WID_TN_SHIPS,
      WID_TN_AIRCRAFT,
      WID_TN_ZOOM_IN,
      WID_TN_ZOOM_OUT,
      WID_TN_RAILS,
      WID_TN_ROADS,
      WID_TN_TRAMS,
      WID_TN_WATER,
      WID_TN_AIR,
      WID_TN_LANDSCAPE,
      WID_TN_MUSIC_SOUND,
      WID_TN_MESSAGES,
      WID_TN_HELP
    };
 
    /* If at least BIGGEST_ARRANGEMENT fit, just spread all the buttons nicely */
    uint full_buttons = std::max(CeilDiv(width, this->smallest_x), SMALLEST_ARRANGEMENT);
    if (full_buttons > BIGGEST_ARRANGEMENT) {
      _toolbar_mode = ToolbarMode::Normal;
      button_count = arrangeable_count = lengthof(arrange_all);
      spacer_count = this->spacers;
      return arrange_all;
    }
 
    /* Introduce the split toolbar */
    static const WidgetID * const arrangements[] = { arrange14, arrange15, arrange16, arrange17, arrange18, arrange19, arrange20 };
 
    button_count = arrangeable_count = full_buttons;
    spacer_count = this->spacers;
    return arrangements[full_buttons - SMALLEST_ARRANGEMENT] + ((_toolbar_mode == ToolbarMode::Lower) ? full_buttons : 0);
  }
};

class NWidgetScenarioToolbarContainer : public NWidgetToolbarContainer {
  std::array<uint, 2> panel_widths{}; 
 
  void SetupSmallestSize(Window *w) override
  {
    this->NWidgetToolbarContainer::SetupSmallestSize(w);
 
    /* Find the size of panel_widths */
    auto it = this->panel_widths.begin();
    for (const auto &child_wid : this->children) {
      if (child_wid->type == NWID_SPACER || this->IsButton(child_wid->type)) continue;
 
      assert(it != this->panel_widths.end());
      *it = child_wid->current_x;
      _toolbar_width += child_wid->current_x;
      ++it;
    }
  }
 
  const WidgetID *GetButtonArrangement(uint &width, uint &arrangeable_count, uint &button_count, uint &spacer_count) const override
  {
    static const WidgetID arrange_all[] = {
      WID_TE_PAUSE,
      WID_TE_FAST_FORWARD,
      WID_TE_SETTINGS,
      WID_TE_SAVE,
      WID_TE_SPACER,
      WID_TE_DATE_PANEL,
      WID_TE_SMALL_MAP,
      WID_TE_ZOOM_IN,
      WID_TE_ZOOM_OUT,
      WID_TE_LAND_GENERATE,
      WID_TE_TOWN_GENERATE,
      WID_TE_INDUSTRY,
      WID_TE_ROADS,
      WID_TE_TRAMS,
      WID_TE_WATER,
      WID_TE_TREES,
      WID_TE_SIGNS,
      WID_TE_MUSIC_SOUND,
      WID_TE_HELP,
    };
    static const WidgetID arrange_nopanel[] = {
      WID_TE_PAUSE,
      WID_TE_FAST_FORWARD,
      WID_TE_SETTINGS,
      WID_TE_SAVE,
      WID_TE_DATE_PANEL,
      WID_TE_SMALL_MAP,
      WID_TE_ZOOM_IN,
      WID_TE_ZOOM_OUT,
      WID_TE_LAND_GENERATE,
      WID_TE_TOWN_GENERATE,
      WID_TE_INDUSTRY,
      WID_TE_ROADS,
      WID_TE_TRAMS,
      WID_TE_WATER,
      WID_TE_TREES,
      WID_TE_SIGNS,
      WID_TE_MUSIC_SOUND,
      WID_TE_HELP,
    };
    static const WidgetID arrange_switch[] = {
      WID_TE_DATE_PANEL,
      WID_TE_SMALL_MAP,
      WID_TE_LAND_GENERATE,
      WID_TE_TOWN_GENERATE,
      WID_TE_INDUSTRY,
      WID_TE_ROADS,
      WID_TE_TRAMS,
      WID_TE_WATER,
      WID_TE_TREES,
      WID_TE_SIGNS,
      WID_TE_SWITCH_BAR,
      /* lower toolbar */
      WID_TE_PAUSE,
      WID_TE_FAST_FORWARD,
      WID_TE_SETTINGS,
      WID_TE_SAVE,
      WID_TE_DATE_PANEL,
      WID_TE_SMALL_MAP,
      WID_TE_ZOOM_IN,
      WID_TE_ZOOM_OUT,
      WID_TE_MUSIC_SOUND,
      WID_TE_HELP,
      WID_TE_SWITCH_BAR,
    };
 
    /* If we can place all buttons *and* the panels, show them. */
    size_t min_full_width = (lengthof(arrange_all) - std::size(this->panel_widths)) * this->smallest_x + this->panel_widths[0] + this->panel_widths[1];
    if (width >= min_full_width) {
      width -= this->panel_widths[0] + this->panel_widths[1];
      arrangeable_count = lengthof(arrange_all);
      button_count = arrangeable_count - 2;
      spacer_count = this->spacers;
      return arrange_all;
    }
 
    /* Otherwise don't show the date panel and if we can't fit half the buttons and the panels anymore, split the toolbar in two */
    size_t min_small_width = (lengthof(arrange_switch) - std::size(this->panel_widths)) * this->smallest_x / 2 + this->panel_widths[1];
    if (width > min_small_width) {
      width -= this->panel_widths[1];
      arrangeable_count = lengthof(arrange_nopanel);
      button_count = arrangeable_count - 1;
      spacer_count = this->spacers - 1;
      return arrange_nopanel;
    }
 
    /* Split toolbar */
    width -= this->panel_widths[1];
    arrangeable_count = lengthof(arrange_switch) / 2;
    button_count = arrangeable_count - 1;
    spacer_count = 0;
    return arrange_switch + ((_toolbar_mode == ToolbarMode::Lower) ? arrangeable_count : 0);
  }
};
 
/* --- Toolbar handling for the 'normal' case */

using ToolbarButtonProc = CallBackFunction(Window *w);
 
static ToolbarButtonProc * const _toolbar_button_procs[] = {
  ToolbarPauseClick,
  ToolbarFastForwardClick,
  ToolbarOptionsClick,
  ToolbarSaveClick,
  ToolbarMapClick,
  ToolbarTownClick,
  ToolbarSubsidiesClick,
  ToolbarStationsClick,
  ToolbarFinancesClick,
  ToolbarCompaniesClick,
  ToolbarStoryClick,
  ToolbarGoalClick,
  ToolbarGraphsClick,
  ToolbarLeagueClick,
  ToolbarIndustryClick,
  ToolbarTrainClick,
  ToolbarRoadClick,
  ToolbarShipClick,
  ToolbarAirClick,
  ToolbarZoomInClick,
  ToolbarZoomOutClick,
  ToolbarBuildRailClick,
  ToolbarBuildRoadClick,
  ToolbarBuildTramClick,
  ToolbarBuildWaterClick,
  ToolbarBuildAirClick,
  ToolbarForestClick,
  ToolbarMusicClick,
  ToolbarNewspaperClick,
  ToolbarHelpClick,
  ToolbarSwitchClick,
};

struct MainToolbarWindow : Window {
  MainToolbarWindow(WindowDesc &desc) : Window(desc)
  {
    this->InitNested(0);
 
    _last_started_action = CallBackFunction::None;
    this->flags.Reset(WindowFlag::WhiteBorder);
    this->SetWidgetDisabledState(WID_TN_PAUSE, _networking && !_network_server); // if not server, disable pause button
    this->SetWidgetDisabledState(WID_TN_FAST_FORWARD, _networking); // if networking, disable fast-forward button
    PositionMainToolbar(this);
    DoZoomInOutWindow(ZOOM_NONE, this);
  }
 
  void FindWindowPlacementAndResize(int, int def_height, bool allow_resize) override
  {
    Window::FindWindowPlacementAndResize(_toolbar_width, def_height, allow_resize);
  }
 
  void OnPaint() override
  {
    /* If spectator, disable all construction buttons
     * ie : Build road, rail, ships, airports and landscaping
     * Since enabled state is the default, just disable when needed */
    this->SetWidgetsDisabledState(_local_company == COMPANY_SPECTATOR, WID_TN_RAILS, WID_TN_ROADS, WID_TN_TRAMS, WID_TN_WATER, WID_TN_AIR, WID_TN_LANDSCAPE);
    /* disable company list drop downs, if there are no companies */
    this->SetWidgetsDisabledState(Company::GetNumItems() == 0, WID_TN_STATIONS, WID_TN_FINANCES, WID_TN_TRAINS, WID_TN_ROADVEHS, WID_TN_SHIPS, WID_TN_AIRCRAFT);
 
    this->SetWidgetDisabledState(WID_TN_GOAL, Goal::GetNumItems() == 0);
    this->SetWidgetDisabledState(WID_TN_STORY, StoryPage::GetNumItems() == 0);
 
    this->DrawWidgets();
  }
 
  void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
  {
    if (_game_mode != GameMode::Menu && !this->IsWidgetDisabled(widget)) _toolbar_button_procs[widget](this);
  }
 
  void OnDropdownSelect(WidgetID widget, int index, int) override
  {
    CallBackFunction cbf = _menu_clicked_procs[widget](index);
    if (cbf != CallBackFunction::None) _last_started_action = cbf;
  }
 
  EventState OnHotkey(int hotkey) override
  {
    CallBackFunction cbf = CallBackFunction::None;
    switch (hotkey) {
      case MTHK_PAUSE: ToolbarPauseClick(this); break;
      case MTHK_FASTFORWARD: ToolbarFastForwardClick(this); break;
      case MTHK_SETTINGS: ShowGameOptions(); break;
      case MTHK_SAVEGAME: MenuClickSaveLoad(); break;
      case MTHK_LOADGAME: ShowSaveLoadDialog(AbstractFileType::Savegame, SaveLoadOperation::Load); break;
      case MTHK_SMALLMAP: ShowSmallMap(); break;
      case MTHK_TOWNDIRECTORY: ShowTownDirectory(); break;
      case MTHK_SUBSIDIES: ShowSubsidiesList(); break;
      case MTHK_STATIONS: ShowCompanyStations(_local_company); break;
      case MTHK_FINANCES: ShowCompanyFinances(_local_company); break;
      case MTHK_COMPANIES: ShowCompany(_local_company); break;
      case MTHK_STORY: ShowStoryBook(_local_company); break;
      case MTHK_GOAL: ShowGoalsList(_local_company); break;
      case MTHK_GRAPHS: ShowOperatingProfitGraph(); break;
      case MTHK_LEAGUE: ShowFirstLeagueTable(); break;
      case MTHK_INDUSTRIES: ShowBuildIndustryWindow(); break;
      case MTHK_TRAIN_LIST: ShowVehicleListWindow(_local_company, VehicleType::Train); break;
      case MTHK_ROADVEH_LIST: ShowVehicleListWindow(_local_company, VehicleType::Road); break;
      case MTHK_SHIP_LIST: ShowVehicleListWindow(_local_company, VehicleType::Ship); break;
      case MTHK_AIRCRAFT_LIST: ShowVehicleListWindow(_local_company, VehicleType::Aircraft); break;
      case MTHK_ZOOM_IN: ToolbarZoomInClick(this); break;
      case MTHK_ZOOM_OUT: ToolbarZoomOutClick(this); break;
      case MTHK_BUILD_RAIL: ShowBuildRailToolbar(_last_built_railtype); break;
      case MTHK_BUILD_ROAD: ShowBuildRoadToolbar(_last_built_roadtype); break;
      case MTHK_BUILD_TRAM: ShowBuildRoadToolbar(_last_built_tramtype); break;
      case MTHK_BUILD_DOCKS: ShowBuildDocksToolbar(); break;
      case MTHK_BUILD_AIRPORT: ShowBuildAirToolbar(); break;
      case MTHK_BUILD_TREES: ShowBuildTreesToolbar(); break;
      case MTHK_MUSIC: ShowMusicWindow(); break;
      case MTHK_SCRIPT_DEBUG: ShowScriptDebugWindow(); break;
      case MTHK_SMALL_SCREENSHOT: MakeScreenshotWithConfirm(SC_VIEWPORT); break;
      case MTHK_ZOOMEDIN_SCREENSHOT: MakeScreenshotWithConfirm(SC_ZOOMEDIN); break;
      case MTHK_DEFAULTZOOM_SCREENSHOT: MakeScreenshotWithConfirm(SC_DEFAULTZOOM); break;
      case MTHK_GIANT_SCREENSHOT: MakeScreenshotWithConfirm(SC_WORLD); break;
      case MTHK_CHEATS: if (!_networking) ShowCheatWindow(); break;
      case MTHK_TERRAFORM: ShowTerraformToolbar(); break;
      case MTHK_EXTRA_VIEWPORT: ShowExtraViewportWindowForTileUnderCursor(); break;
      case MTHK_CLIENT_LIST: if (_networking) ShowClientList(); break;
      case MTHK_SIGN_LIST: ShowSignList(); break;
      case MTHK_LANDINFO: cbf = PlaceLandBlockInfo(); break;
      default: return EventState::NotHandled;
    }
    if (cbf != CallBackFunction::None) _last_started_action = cbf;
    return EventState::Handled;
  }
 
  void OnPlaceObject([[maybe_unused]] Point pt, TileIndex tile) override
  {
    switch (_last_started_action) {
      case CallBackFunction::PlaceSign:
        PlaceProc_Sign(tile);
        break;
 
      case CallBackFunction::PlaceLandInfo:
        ShowLandInfo(tile);
        break;
 
      default: NOT_REACHED();
    }
  }
 
  void OnPlaceObjectAbort() override
  {
    _last_started_action = CallBackFunction::None;
  }

  const IntervalTimer<TimerWindow> refresh_interval = {std::chrono::milliseconds(30), [this](auto) {
    if (this->IsWidgetLowered(WID_TN_PAUSE) != _pause_mode.Any()) {
      this->ToggleWidgetLoweredState(WID_TN_PAUSE);
      this->SetWidgetDirty(WID_TN_PAUSE);
    }
 
    if (this->IsWidgetLowered(WID_TN_FAST_FORWARD) != (_game_speed != 100)) {
      this->ToggleWidgetLoweredState(WID_TN_FAST_FORWARD);
      this->SetWidgetDirty(WID_TN_FAST_FORWARD);
    }
  }};

  void OnInvalidateData([[maybe_unused]] int data = 0, [[maybe_unused]] bool gui_scope = true) override
  {
    if (!gui_scope) return;
    HandleZoomMessage(this, *GetMainWindow()->viewport, WID_TN_ZOOM_IN, WID_TN_ZOOM_OUT);
  }
 
  static inline HotkeyList hotkeys{"maintoolbar", {
    Hotkey({WKC_F1, WKC_PAUSE}, "pause", MTHK_PAUSE),
    Hotkey(0, "fastforward", MTHK_FASTFORWARD),
    Hotkey(WKC_F2, "settings", MTHK_SETTINGS),
    Hotkey(WKC_F3, "saveload", MTHK_SAVEGAME),
    Hotkey(0, "load_game", MTHK_LOADGAME),
    Hotkey({WKC_F4, 'M'}, "smallmap", MTHK_SMALLMAP),
    Hotkey(WKC_F5, "town_list", MTHK_TOWNDIRECTORY),
    Hotkey(WKC_F6, "subsidies", MTHK_SUBSIDIES),
    Hotkey(WKC_F7, "station_list", MTHK_STATIONS),
    Hotkey(WKC_F8, "finances", MTHK_FINANCES),
    Hotkey(WKC_F9, "companies", MTHK_COMPANIES),
    Hotkey(0, "story_book", MTHK_STORY),
    Hotkey(0, "goal_list", MTHK_GOAL),
    Hotkey(WKC_F10, "graphs", MTHK_GRAPHS),
    Hotkey(WKC_F11, "league", MTHK_LEAGUE),
    Hotkey(WKC_F12, "industry_list", MTHK_INDUSTRIES),
    Hotkey(WKC_SHIFT | WKC_F1, "train_list", MTHK_TRAIN_LIST),
    Hotkey(WKC_SHIFT | WKC_F2, "roadveh_list", MTHK_ROADVEH_LIST),
    Hotkey(WKC_SHIFT | WKC_F3, "ship_list", MTHK_SHIP_LIST),
    Hotkey(WKC_SHIFT | WKC_F4, "aircraft_list", MTHK_AIRCRAFT_LIST),
    Hotkey({WKC_NUM_PLUS, WKC_EQUALS, WKC_SHIFT | WKC_EQUALS, WKC_SHIFT | WKC_F5}, "zoomin", MTHK_ZOOM_IN),
    Hotkey({WKC_NUM_MINUS, WKC_MINUS, WKC_SHIFT | WKC_MINUS, WKC_SHIFT | WKC_F6}, "zoomout", MTHK_ZOOM_OUT),
    Hotkey(WKC_SHIFT | WKC_F7, "build_rail", MTHK_BUILD_RAIL),
    Hotkey(WKC_SHIFT | WKC_F8, "build_road", MTHK_BUILD_ROAD),
    Hotkey(0, "build_tram", MTHK_BUILD_TRAM),
    Hotkey(WKC_SHIFT | WKC_F9, "build_docks", MTHK_BUILD_DOCKS),
    Hotkey(WKC_SHIFT | WKC_F10, "build_airport", MTHK_BUILD_AIRPORT),
    Hotkey(WKC_SHIFT | WKC_F11, "build_trees", MTHK_BUILD_TREES),
    Hotkey(WKC_SHIFT | WKC_F12, "music", MTHK_MUSIC),
    Hotkey(0, "ai_debug", MTHK_SCRIPT_DEBUG),
    Hotkey(WKC_CTRL  | 'S', "small_screenshot", MTHK_SMALL_SCREENSHOT),
    Hotkey(WKC_CTRL  | 'P', "zoomedin_screenshot", MTHK_ZOOMEDIN_SCREENSHOT),
    Hotkey(WKC_CTRL  | 'D', "defaultzoom_screenshot", MTHK_DEFAULTZOOM_SCREENSHOT),
    Hotkey(0, "giant_screenshot", MTHK_GIANT_SCREENSHOT),
    Hotkey(WKC_CTRL | WKC_ALT | 'C', "cheats", MTHK_CHEATS),
    Hotkey('L', "terraform", MTHK_TERRAFORM),
    Hotkey('V', "extra_viewport", MTHK_EXTRA_VIEWPORT),
    Hotkey(0, "client_list", MTHK_CLIENT_LIST),
    Hotkey(0, "sign_list", MTHK_SIGN_LIST),
    Hotkey(0, "land_info", MTHK_LANDINFO),
  }};
};

static constexpr std::tuple<WidgetID, WidgetType, SpriteID> _toolbar_button_sprites[] = {
  {WID_TN_PAUSE,        WWT_IMGBTN,     SPR_IMG_PAUSE},
  {WID_TN_FAST_FORWARD, WWT_IMGBTN,     SPR_IMG_FASTFORWARD},
  {WID_TN_SETTINGS,     WWT_IMGBTN,     SPR_IMG_SETTINGS},
  {WID_TN_SAVE,         WWT_IMGBTN_2,   SPR_IMG_SAVE},
  {WID_TN_SMALL_MAP,    WWT_IMGBTN,     SPR_IMG_SMALLMAP},
  {WID_TN_TOWNS,        WWT_IMGBTN,     SPR_IMG_TOWN},
  {WID_TN_SUBSIDIES,    WWT_IMGBTN,     SPR_IMG_SUBSIDIES},
  {WID_TN_STATIONS,     WWT_IMGBTN,     SPR_IMG_COMPANY_LIST},
  {WID_TN_FINANCES,     WWT_IMGBTN,     SPR_IMG_COMPANY_FINANCE},
  {WID_TN_COMPANIES,    WWT_IMGBTN,     SPR_IMG_COMPANY_GENERAL},
  {WID_TN_STORY,        WWT_IMGBTN,     SPR_IMG_STORY_BOOK},
  {WID_TN_GOAL,         WWT_IMGBTN,     SPR_IMG_GOAL},
  {WID_TN_GRAPHS,       WWT_IMGBTN,     SPR_IMG_GRAPHS},
  {WID_TN_LEAGUE,       WWT_IMGBTN,     SPR_IMG_COMPANY_LEAGUE},
  {WID_TN_INDUSTRIES,   WWT_IMGBTN,     SPR_IMG_INDUSTRY},
  {WID_TN_TRAINS,       WWT_IMGBTN,     SPR_IMG_TRAINLIST},
  {WID_TN_ROADVEHS,     WWT_IMGBTN,     SPR_IMG_TRUCKLIST},
  {WID_TN_SHIPS,        WWT_IMGBTN,     SPR_IMG_SHIPLIST},
  {WID_TN_AIRCRAFT,     WWT_IMGBTN,     SPR_IMG_AIRPLANESLIST},
  {WID_TN_ZOOM_IN,      WWT_PUSHIMGBTN, SPR_IMG_ZOOMIN},
  {WID_TN_ZOOM_OUT,     WWT_PUSHIMGBTN, SPR_IMG_ZOOMOUT},
  {WID_TN_RAILS,        WWT_IMGBTN,     SPR_IMG_BUILDRAIL},
  {WID_TN_ROADS,        WWT_IMGBTN,     SPR_IMG_BUILDROAD},
  {WID_TN_TRAMS,        WWT_IMGBTN,     SPR_IMG_BUILDTRAMS},
  {WID_TN_WATER,        WWT_IMGBTN,     SPR_IMG_BUILDWATER},
  {WID_TN_AIR,          WWT_IMGBTN,     SPR_IMG_BUILDAIR},
  {WID_TN_LANDSCAPE,    WWT_IMGBTN,     SPR_IMG_LANDSCAPING},
  {WID_TN_MUSIC_SOUND,  WWT_IMGBTN,     SPR_IMG_MUSIC},
  {WID_TN_MESSAGES,     WWT_IMGBTN,     SPR_IMG_MESSAGES},
  {WID_TN_HELP,         WWT_IMGBTN,     SPR_IMG_QUERY},
  {WID_TN_SWITCH_BAR,   WWT_IMGBTN,     SPR_IMG_SWITCH_TOOLBAR},
};

Dimension GetToolbarMaximalImageSize()
{
  Dimension d{};
  for (const auto &[widget, tp, sprite] : _toolbar_button_sprites) {
    if (!SpriteExists(sprite)) continue;
    d = maxdim(d, GetSquareScaledSpriteSize(sprite));
  }
  return d;
}

static std::unique_ptr<NWidgetBase> MakeMainToolbar()
{
  auto hor = std::make_unique<NWidgetMainToolbarContainer>();
  for (const auto &[widget, tp, sprite] : _toolbar_button_sprites) {
    switch (widget) {
      case WID_TN_SMALL_MAP:
      case WID_TN_FINANCES:
      case WID_TN_VEHICLE_START:
      case WID_TN_ZOOM_IN:
      case WID_TN_BUILDING_TOOLS_START:
      case WID_TN_MUSIC_SOUND:
        hor->Add(std::make_unique<NWidgetSpacer>(0, 0));
        break;
    }
    auto leaf = std::make_unique<NWidgetLeaf>(tp, Colours::Grey, widget, WidgetData{.sprite = sprite}, STR_TOOLBAR_TOOLTIP_PAUSE_GAME + widget);
    leaf->SetToolbarMinimalSize(1);
    hor->Add(std::move(leaf));
  }
 
  return hor;
}
 
static constexpr std::initializer_list<NWidgetPart> _nested_toolbar_normal_widgets = {
  NWidgetFunction(MakeMainToolbar),
};

static WindowDesc _toolb_normal_desc(
  WindowPosition::Manual, {}, 0, 0,
  WindowClass::MainToolbar, WindowClass::None,
  {WindowDefaultFlag::NoFocus, WindowDefaultFlag::NoClose},
  _nested_toolbar_normal_widgets,
  &MainToolbarWindow::hotkeys
);
 
 
/* --- Toolbar handling for the scenario editor */
 
static MenuClickedProc * const _scen_toolbar_dropdown_procs[] = {
  nullptr,              // 0
  nullptr,              // 1
  MenuClickSettings,    // 2
  MenuClickSaveLoad,    // 3
  nullptr,              // 4
  nullptr,              // 5
  nullptr,              // 6
  nullptr,              // 7
  MenuClickMap,         // 8
  nullptr,              // 9
  nullptr,              // 10
  nullptr,              // 11
  ToolbarScenGenTown,   // 12
  nullptr,              // 13
  ToolbarScenBuildRoad, // 14
  ToolbarScenBuildTram, // 15
  nullptr,              // 16
  nullptr,              // 17
  nullptr,              // 18
  nullptr,              // 19
  MenuClickMusicWindow, // 20
  MenuClickHelp,        // 21
  nullptr,              // 22
};
 
static ToolbarButtonProc * const _scen_toolbar_button_procs[] = {
  ToolbarPauseClick,
  ToolbarFastForwardClick,
  ToolbarOptionsClick,
  ToolbarScenSaveOrLoad,
  ToolbarBtn_NULL,
  ToolbarScenDatePanel,
  ToolbarScenDateBackward,
  ToolbarScenDateForward,
  ToolbarScenMapTownDir,
  ToolbarZoomInClick,
  ToolbarZoomOutClick,
  ToolbarScenGenLand,
  ToolbarScenGenTownClick,
  ToolbarScenGenIndustry,
  ToolbarScenBuildRoadClick,
  ToolbarScenBuildTramClick,
  ToolbarScenBuildDocks,
  ToolbarScenPlantTrees,
  ToolbarScenPlaceSign,
  ToolbarBtn_NULL,
  ToolbarMusicClick,
  ToolbarHelpClick,
  ToolbarSwitchClick,
};

enum class MainToolbarEditorHotkeys : int32_t {
  Pause = WID_TE_PAUSE, 
  FastForward = WID_TE_FAST_FORWARD, 
  ZoomIn = WID_TE_ZOOM_IN, 
  ZoomOut = WID_TE_ZOOM_OUT, 
  GenerateLand = WID_TE_LAND_GENERATE, 
  GenerateIndustry = WID_TE_INDUSTRY, 
  BuildWater = WID_TE_WATER, 
  BuildTrees = WID_TE_TREES, 
  Sign = WID_TE_SIGNS, 
  Settings = 1 << SPECIAL_HOTKEY_BIT, 
  SaveGame, 
  Music, 
  LandInfo, 
  SmallScreenshot, 
  ZoomedInScreenshot, 
  DefaultZoomScreenshot, 
  GiantScreenshot, 
  Terraform, 
  SmallMap, 
  ExtraViewport, 
  GenerateTown, 
  BuildRoad, 
  BuildTram, 
};
 
struct ScenarioEditorToolbarWindow : Window {
  ScenarioEditorToolbarWindow(WindowDesc &desc) : Window(desc)
  {
    this->InitNested(0);
 
    _last_started_action = CallBackFunction::None;
    this->flags.Reset(WindowFlag::WhiteBorder);
    PositionMainToolbar(this);
    DoZoomInOutWindow(ZOOM_NONE, this);
  }
 
  void FindWindowPlacementAndResize(int, int def_height, bool allow_resize) override
  {
    Window::FindWindowPlacementAndResize(_toolbar_width, def_height, allow_resize);
  }
 
  void OnPaint() override
  {
    this->SetWidgetDisabledState(WID_TE_DATE_BACKWARD, _settings_game.game_creation.starting_year <= CalendarTime::MIN_YEAR);
    this->SetWidgetDisabledState(WID_TE_DATE_FORWARD, _settings_game.game_creation.starting_year >= CalendarTime::MAX_YEAR);
    this->SetWidgetDisabledState(WID_TE_ROADS, !GetRoadTypes(true).Any(GetMaskForRoadTramType(RoadTramType::Road)));
    this->SetWidgetDisabledState(WID_TE_TRAMS, !GetRoadTypes(true).Any(GetMaskForRoadTramType(RoadTramType::Tram)));
 
    this->DrawWidgets();
  }
 
  std::string GetWidgetString(WidgetID widget, StringID stringid) const override
  {
    switch (widget) {
      case WID_TE_DATE:
        return GetString(STR_JUST_DATE_LONG, TimerGameCalendar::ConvertYMDToDate(_settings_game.game_creation.starting_year, 0, 1));
 
      default:
        return this->Window::GetWidgetString(widget, stringid);
    }
  }
 
  void DrawWidget(const Rect &r, WidgetID widget) const override
  {
    switch (widget) {
      case WID_TE_SPACER: {
        int height = r.Height();
        if (height > 2 * GetCharacterHeight(FontSize::Normal)) {
          DrawString(r.left, r.right, height / 2 - GetCharacterHeight(FontSize::Normal), STR_SCENEDIT_TOOLBAR_OPENTTD, TextColour::FromString, SA_HOR_CENTER);
          DrawString(r.left, r.right, height / 2, STR_SCENEDIT_TOOLBAR_SCENARIO_EDITOR, TextColour::FromString, SA_HOR_CENTER);
        } else {
          DrawString(r.left, r.right, (height - GetCharacterHeight(FontSize::Normal)) / 2, STR_SCENEDIT_TOOLBAR_SCENARIO_EDITOR, TextColour::FromString, SA_HOR_CENTER);
        }
        break;
      }
    }
  }
 
  void UpdateWidgetSize(WidgetID widget, Dimension &size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension &fill, [[maybe_unused]] Dimension &resize) override
  {
    switch (widget) {
      case WID_TE_SPACER:
        size.width = std::max(GetStringBoundingBox(STR_SCENEDIT_TOOLBAR_OPENTTD).width, GetStringBoundingBox(STR_SCENEDIT_TOOLBAR_SCENARIO_EDITOR).width) + padding.width;
        break;
 
      case WID_TE_DATE:
        size = GetStringBoundingBox(GetString(STR_JUST_DATE_LONG, TimerGameCalendar::ConvertYMDToDate(CalendarTime::MAX_YEAR, 0, 1)));
        break;
    }
  }
 
  void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
  {
    if (_game_mode == GameMode::Menu) return;
    CallBackFunction cbf = _scen_toolbar_button_procs[widget](this);
    if (cbf != CallBackFunction::None) _last_started_action = cbf;
  }
 
  void OnDropdownSelect(WidgetID widget, int index, int) override
  {
    CallBackFunction cbf = _scen_toolbar_dropdown_procs[widget](index);
    if (cbf != CallBackFunction::None) _last_started_action = cbf;
    SndClickBeep();
  }
 
  EventState OnHotkey(int hotkey) override
  {
    if (IsSpecialHotkey(hotkey)) {
      CallBackFunction cbf = CallBackFunction::None;
      switch (MainToolbarEditorHotkeys(hotkey)) {
        case MainToolbarEditorHotkeys::Settings: ShowGameOptions(); break;
        case MainToolbarEditorHotkeys::SaveGame: MenuClickSaveLoad(); break;
        case MainToolbarEditorHotkeys::Music: ShowMusicWindow(); break;
        case MainToolbarEditorHotkeys::LandInfo: cbf = PlaceLandBlockInfo(); break;
        case MainToolbarEditorHotkeys::SmallScreenshot: MakeScreenshotWithConfirm(SC_VIEWPORT); break;
        case MainToolbarEditorHotkeys::ZoomedInScreenshot: MakeScreenshotWithConfirm(SC_ZOOMEDIN); break;
        case MainToolbarEditorHotkeys::DefaultZoomScreenshot: MakeScreenshotWithConfirm(SC_DEFAULTZOOM); break;
        case MainToolbarEditorHotkeys::GiantScreenshot: MakeScreenshotWithConfirm(SC_WORLD); break;
        case MainToolbarEditorHotkeys::Terraform: ShowEditorTerraformToolbar(); break;
        case MainToolbarEditorHotkeys::SmallMap: ShowSmallMap(); break;
        case MainToolbarEditorHotkeys::ExtraViewport: ShowExtraViewportWindowForTileUnderCursor(); break;
        case MainToolbarEditorHotkeys::GenerateTown: ShowFoundTownWindow(); break;
        case MainToolbarEditorHotkeys::BuildRoad: ShowBuildRoadScenToolbar(_last_built_roadtype); break;
        case MainToolbarEditorHotkeys::BuildTram: ShowBuildRoadScenToolbar(_last_built_tramtype); break;
        default: return EventState::NotHandled;
      }
      if (cbf != CallBackFunction::None) _last_started_action = cbf;
    } else {
      this->OnClick({}, hotkey, 0);
    }
    return EventState::Handled;
  }
 
  void OnPlaceObject([[maybe_unused]] Point pt, TileIndex tile) override
  {
    switch (_last_started_action) {
      case CallBackFunction::PlaceSign:
        PlaceProc_Sign(tile);
        break;
 
      case CallBackFunction::PlaceLandInfo:
        ShowLandInfo(tile);
        break;
 
      default: NOT_REACHED();
    }
  }
 
  void OnPlaceObjectAbort() override
  {
    _last_started_action = CallBackFunction::None;
  }
 
  void OnTimeout() override
  {
    this->SetWidgetsLoweredState(false, WID_TE_DATE_BACKWARD, WID_TE_DATE_FORWARD);
    this->SetWidgetDirty(WID_TE_DATE_BACKWARD);
    this->SetWidgetDirty(WID_TE_DATE_FORWARD);
  }

  const IntervalTimer<TimerWindow> refresh_interval = {std::chrono::milliseconds(30), [this](auto) {
    if (this->IsWidgetLowered(WID_TE_PAUSE) != _pause_mode.Any()) {
      this->ToggleWidgetLoweredState(WID_TE_PAUSE);
      this->SetDirty();
    }
 
    if (this->IsWidgetLowered(WID_TE_FAST_FORWARD) != (_game_speed != 100)) {
      this->ToggleWidgetLoweredState(WID_TE_FAST_FORWARD);
      this->SetDirty();
    }
  }};

  void OnInvalidateData([[maybe_unused]] int data = 0, [[maybe_unused]] bool gui_scope = true) override
  {
    if (!gui_scope) return;
    HandleZoomMessage(this, *GetMainWindow()->viewport, WID_TE_ZOOM_IN, WID_TE_ZOOM_OUT);
  }
 
  void OnQueryTextFinished(std::optional<std::string> str) override
  {
    /* Was 'cancel' pressed? */
    if (!str.has_value()) return;
 
    TimerGameCalendar::Year value;
    if (!str->empty()) {
      auto val = ParseInteger(*str, 10, true);
      if (!val.has_value()) return;
      value = static_cast<TimerGameCalendar::Year>(*val);
    } else {
      /* An empty string means revert to the default */
      value = TimerGameCalendar::Year{CalendarTime::DEF_START_YEAR.base()};
    }
    SetStartingYear(value);
 
    this->SetDirty();
  }
 
  static inline HotkeyList hotkeys{"scenedit_maintoolbar", {
    Hotkey({WKC_F1, WKC_PAUSE}, "pause", MainToolbarEditorHotkeys::Pause),
    Hotkey(0, "fastforward", MainToolbarEditorHotkeys::FastForward),
    Hotkey(WKC_F2, "settings", MainToolbarEditorHotkeys::Settings),
    Hotkey(WKC_F3, "saveload", MainToolbarEditorHotkeys::SaveGame),
    Hotkey(WKC_F4, "gen_land", MainToolbarEditorHotkeys::GenerateLand),
    Hotkey(WKC_F5, "gen_town", MainToolbarEditorHotkeys::GenerateTown),
    Hotkey(WKC_F6, "gen_industry", MainToolbarEditorHotkeys::GenerateIndustry),
    Hotkey(WKC_F7, "build_road", MainToolbarEditorHotkeys::BuildRoad),
    Hotkey(0, "build_tram", MainToolbarEditorHotkeys::BuildTram),
    Hotkey(WKC_F8, "build_docks", MainToolbarEditorHotkeys::BuildWater),
    Hotkey(WKC_F9, "build_trees", MainToolbarEditorHotkeys::BuildTrees),
    Hotkey(WKC_F10, "build_sign", MainToolbarEditorHotkeys::Sign),
    Hotkey(WKC_F11, "music", MainToolbarEditorHotkeys::Music),
    Hotkey(WKC_F12, "land_info", MainToolbarEditorHotkeys::LandInfo),
    Hotkey(WKC_CTRL | 'S', "small_screenshot", MainToolbarEditorHotkeys::SmallScreenshot),
    Hotkey(WKC_CTRL | 'P', "zoomedin_screenshot", MainToolbarEditorHotkeys::ZoomedInScreenshot),
    Hotkey(WKC_CTRL | 'D', "defaultzoom_screenshot", MainToolbarEditorHotkeys::DefaultZoomScreenshot),
    Hotkey(0, "giant_screenshot", MainToolbarEditorHotkeys::GiantScreenshot),
    Hotkey({WKC_NUM_PLUS, WKC_EQUALS, WKC_SHIFT | WKC_EQUALS, WKC_SHIFT | WKC_F5}, "zoomin", MainToolbarEditorHotkeys::ZoomIn),
    Hotkey({WKC_NUM_MINUS, WKC_MINUS, WKC_SHIFT | WKC_MINUS, WKC_SHIFT | WKC_F6}, "zoomout", MainToolbarEditorHotkeys::ZoomOut),
    Hotkey('L', "terraform", MainToolbarEditorHotkeys::Terraform),
    Hotkey('M', "smallmap", MainToolbarEditorHotkeys::SmallMap),
    Hotkey('V', "extra_viewport", MainToolbarEditorHotkeys::ExtraViewport),
  }};
};
 
static constexpr std::initializer_list<NWidgetPart> _nested_toolb_scen_inner_widgets = {
  NWidget(WWT_IMGBTN, Colours::Grey, WID_TE_PAUSE), SetSpriteTip(SPR_IMG_PAUSE, STR_TOOLBAR_TOOLTIP_PAUSE_GAME),
  NWidget(WWT_IMGBTN, Colours::Grey, WID_TE_FAST_FORWARD), SetSpriteTip(SPR_IMG_FASTFORWARD, STR_TOOLBAR_TOOLTIP_FORWARD),
  NWidget(WWT_IMGBTN, Colours::Grey, WID_TE_SETTINGS), SetSpriteTip(SPR_IMG_SETTINGS, STR_TOOLBAR_TOOLTIP_OPTIONS),
  NWidget(WWT_IMGBTN_2, Colours::Grey, WID_TE_SAVE), SetSpriteTip(SPR_IMG_SAVE, STR_SCENEDIT_TOOLBAR_SAVE_SCENARIO_LOAD_SCENARIO_TOOLTIP),
  NWidget(NWID_SPACER),
  NWidget(WWT_PANEL, Colours::Grey, WID_TE_SPACER), EndContainer(),
  NWidget(NWID_SPACER),
  NWidget(WWT_PANEL, Colours::Grey, WID_TE_DATE_PANEL),
    NWidget(NWID_HORIZONTAL), SetPIP(2, 2, 2), SetPadding(1),
      NWidget(WWT_IMGBTN, Colours::Grey, WID_TE_DATE_BACKWARD), SetSpriteTip(SPR_ARROW_DOWN, STR_SCENEDIT_TOOLBAR_MOVE_THE_STARTING_DATE_BACKWARD_TOOLTIP), SetFill(0, 1),
      NWidget(WWT_TEXT, Colours::Invalid, WID_TE_DATE), SetToolTip(STR_SCENEDIT_TOOLBAR_SET_DATE_TOOLTIP), SetTextStyle(TextColour::White), SetAlignment(SA_CENTER), SetFill(0, 1),
      NWidget(WWT_IMGBTN, Colours::Grey, WID_TE_DATE_FORWARD), SetSpriteTip(SPR_ARROW_UP, STR_SCENEDIT_TOOLBAR_MOVE_THE_STARTING_DATE_FORWARD_TOOLTIP), SetFill(0, 1),
    EndContainer(),
  EndContainer(),
  NWidget(NWID_SPACER),
  NWidget(WWT_IMGBTN, Colours::Grey, WID_TE_SMALL_MAP), SetSpriteTip(SPR_IMG_SMALLMAP, STR_SCENEDIT_TOOLBAR_DISPLAY_MAP_TOWN_DIRECTORY_TOOLTIP),
  NWidget(NWID_SPACER),
  NWidget(WWT_PUSHIMGBTN, Colours::Grey, WID_TE_ZOOM_IN), SetSpriteTip(SPR_IMG_ZOOMIN, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_IN),
  NWidget(WWT_PUSHIMGBTN, Colours::Grey, WID_TE_ZOOM_OUT), SetSpriteTip(SPR_IMG_ZOOMOUT, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_OUT),
  NWidget(NWID_SPACER),
  NWidget(WWT_PUSHIMGBTN, Colours::Grey, WID_TE_LAND_GENERATE), SetSpriteTip(SPR_IMG_LANDSCAPING, STR_SCENEDIT_TOOLBAR_LANDSCAPE_GENERATION_TOOLTIP),
  NWidget(WWT_IMGBTN, Colours::Grey, WID_TE_TOWN_GENERATE), SetSpriteTip(SPR_IMG_TOWN, STR_SCENEDIT_TOOLBAR_TOWN_GENERATION_TOOLTIP),
  NWidget(WWT_PUSHIMGBTN, Colours::Grey, WID_TE_INDUSTRY), SetSpriteTip(SPR_IMG_INDUSTRY, STR_SCENEDIT_TOOLBAR_INDUSTRY_GENERATION_TOOLTIP),
  NWidget(WWT_IMGBTN, Colours::Grey, WID_TE_ROADS), SetSpriteTip(SPR_IMG_BUILDROAD, STR_SCENEDIT_TOOLBAR_ROAD_CONSTRUCTION_TOOLTIP),
  NWidget(WWT_IMGBTN, Colours::Grey, WID_TE_TRAMS), SetSpriteTip(SPR_IMG_BUILDTRAMS, STR_SCENEDIT_TOOLBAR_TRAM_CONSTRUCTION_TOOLTIP),
  NWidget(WWT_PUSHIMGBTN, Colours::Grey, WID_TE_WATER), SetSpriteTip(SPR_IMG_BUILDWATER, STR_TOOLBAR_TOOLTIP_BUILD_SHIP_DOCKS),
  NWidget(WWT_PUSHIMGBTN, Colours::Grey, WID_TE_TREES), SetSpriteTip(SPR_IMG_PLANTTREES, STR_SCENEDIT_TOOLBAR_PLANT_TREES_TOOLTIP),
  NWidget(WWT_PUSHIMGBTN, Colours::Grey, WID_TE_SIGNS), SetSpriteTip(SPR_IMG_SIGN, STR_SCENEDIT_TOOLBAR_PLACE_SIGN_TOOLTIP),
  NWidget(NWID_SPACER),
  NWidget(WWT_IMGBTN, Colours::Grey, WID_TE_MUSIC_SOUND), SetSpriteTip(SPR_IMG_MUSIC, STR_TOOLBAR_TOOLTIP_SHOW_SOUND_MUSIC_WINDOW),
  NWidget(WWT_IMGBTN, Colours::Grey, WID_TE_HELP), SetSpriteTip(SPR_IMG_QUERY, STR_TOOLBAR_TOOLTIP_LAND_BLOCK_INFORMATION),
  NWidget(WWT_IMGBTN, Colours::Grey, WID_TE_SWITCH_BAR), SetSpriteTip(SPR_IMG_SWITCH_TOOLBAR, STR_TOOLBAR_TOOLTIP_SWITCH_TOOLBAR),
};
 
static std::unique_ptr<NWidgetBase> MakeScenarioToolbar()
{
  return MakeNWidgets(_nested_toolb_scen_inner_widgets, std::make_unique<NWidgetScenarioToolbarContainer>());
}
 
static constexpr std::initializer_list<NWidgetPart> _nested_toolb_scen_widgets = {
  NWidgetFunction(MakeScenarioToolbar),
};

static WindowDesc _toolb_scen_desc(
  WindowPosition::Manual, {}, 0, 0,
  WindowClass::MainToolbar, WindowClass::None,
  {WindowDefaultFlag::NoFocus, WindowDefaultFlag::NoClose},
  _nested_toolb_scen_widgets,
  &ScenarioEditorToolbarWindow::hotkeys
);

void AllocateToolbar()
{
  if (_game_mode == GameMode::Editor) {
    new ScenarioEditorToolbarWindow(_toolb_scen_desc);
  } else {
    new MainToolbarWindow(_toolb_normal_desc);
  }
}