Merge d0d0ff3c38 into 7c8759552a

japanese: 40 changes by akaregi
hungarian: 6 changes by nemesbala

src/airport_gui.cpp

@@ -493,7 +493,7 @@ public:
 	{
 		switch (widget) {
 			case WID_AP_CLASS_DROPDOWN:
-				ShowDropDownList(this, BuildAirportClassDropDown(), _selected_airport_class, WID_AP_CLASS_DROPDOWN);
+				this->HandleDropdownListButtonClick(BuildAirportClassDropDown(), _selected_airport_class, WID_AP_CLASS_DROPDOWN);
 				break;
 
 			case WID_AP_AIRPORT_LIST: {
@@ -509,7 +509,7 @@ public:
 				this->SetWidgetLoweredState(WID_AP_BTN_DONTHILIGHT, !_settings_client.gui.station_show_coverage);
 				this->SetWidgetLoweredState(WID_AP_BTN_DOHILIGHT, _settings_client.gui.station_show_coverage);
 				this->SetDirty();
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				this->UpdateSelectSize();
 				SetViewportCatchmentStation(nullptr, true);
 				break;

src/autoreplace_gui.cpp

@@ -534,16 +534,16 @@ public:
 				DropDownList list;
 				list.push_back(MakeDropDownListStringItem(STR_REPLACE_ENGINES, 1));
 				list.push_back(MakeDropDownListStringItem(STR_REPLACE_WAGONS, 0));
-				ShowDropDownList(this, std::move(list), this->replace_engines ? 1 : 0, WID_RV_TRAIN_ENGINEWAGON_DROPDOWN);
+				this->HandleDropdownListButtonClick(std::move(list), this->replace_engines ? 1 : 0, WID_RV_TRAIN_ENGINEWAGON_DROPDOWN);
 				break;
 			}
 
 			case WID_RV_RAIL_TYPE_DROPDOWN: // Railtype selection dropdown menu
-				ShowDropDownList(this, GetRailTypeDropDownList(true, true), this->sel_railtype, widget);
+				this->HandleDropdownListButtonClick(GetRailTypeDropDownList(true, true), this->sel_railtype, widget);
 				break;
 
 			case WID_RV_ROAD_TYPE_DROPDOWN: // Roadtype selection dropdown menu
-				ShowDropDownList(this, GetRoadTypeDropDownList(RTTB_ROAD | RTTB_TRAM, true, true), this->sel_roadtype, widget);
+				this->HandleDropdownListButtonClick(GetRoadTypeDropDownList(RTTB_ROAD | RTTB_TRAM, true, true), this->sel_roadtype, widget);
 				break;
 
 			case WID_RV_TRAIN_WAGONREMOVE_TOGGLE: {
@@ -563,7 +563,7 @@ public:
 					ReplaceClick_StartReplace(false);
 				} else {
 					bool replacment_when_old = EngineHasReplacementWhenOldForCompany(Company::Get(_local_company), this->sel_engine[0], this->sel_group);
-					ShowDropDownMenu(this, _start_replace_dropdown, replacment_when_old ? 1 : 0, WID_RV_START_REPLACE, !this->replace_engines ? 1 << 1 : 0, 0);
+					this->HandleDropdownMenuButtonClick(_start_replace_dropdown, replacment_when_old ? 1 : 0, WID_RV_START_REPLACE, !this->replace_engines ? 1 << 1 : 0, 0);
 				}
 				break;
 			}

src/bridge_gui.cpp

@@ -278,7 +278,7 @@ public:
 				break;
 
 			case WID_BBS_DROPDOWN_CRITERIA:
-				ShowDropDownMenu(this, BuildBridgeWindow::sorter_names, this->bridges.SortType(), WID_BBS_DROPDOWN_CRITERIA, 0, 0);
+				this->HandleDropdownMenuButtonClick(BuildBridgeWindow::sorter_names, this->bridges.SortType(), WID_BBS_DROPDOWN_CRITERIA, 0, 0);
 				break;
 		}
 	}

src/build_vehicle_gui.cpp

@@ -1675,12 +1675,12 @@ struct BuildVehicleWindow : Window {
 				break;
 
 			case WID_BV_CARGO_FILTER_DROPDOWN: // Select cargo filtering criteria dropdown menu
-				ShowDropDownList(this, this->BuildCargoDropDownList(), this->cargo_filter_criteria, widget);
+				this->HandleDropdownListButtonClick(this->BuildCargoDropDownList(), this->cargo_filter_criteria, widget);
 				break;
 
 			case WID_BV_CONFIGURE_BADGES:
 				if (this->badge_classes.GetClasses().empty()) break;
-				ShowDropDownList(this, this->BuildBadgeConfigurationList(), -1, widget, 0, false, true);
+				this->HandleDropdownListButtonClick(this->BuildBadgeConfigurationList(), -1, widget, 0, false, true);
 				break;
 
 			case WID_BV_SHOW_HIDE: {
@@ -1706,7 +1706,7 @@ struct BuildVehicleWindow : Window {
 
 			default:
 				if (IsInsideMM(widget, this->badge_filters.first, this->badge_filters.second)) {
-					ShowDropDownList(this, this->GetWidget<NWidgetBadgeFilter>(widget)->GetDropDownList(), -1, widget, 0, false);
+					this->HandleDropdownListButtonClick(this->GetWidget<NWidgetBadgeFilter>(widget)->GetDropDownList(), -1, widget, 0, false);
 				}
 				break;
 		}

src/company_gui.cpp

@@ -660,7 +660,7 @@ private:
 		} else {
 			sel = default_col;
 		}
-		ShowDropDownList(this, std::move(list), sel, widget);
+		this->HandleDropdownListButtonClick(std::move(list), sel, widget);
 	}
 
 	void BuildGroupList(CompanyID owner)

src/date_gui.cpp

@@ -96,7 +96,7 @@ struct SetDateWindow : Window {
 				break;
 		}
 
-		ShowDropDownList(this, std::move(list), selected, widget);
+		this->HandleDropdownListButtonClick(std::move(list), selected, widget);
 	}
 
 	void UpdateWidgetSize(WidgetID widget, Dimension &size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension &fill, [[maybe_unused]] Dimension &resize) override

src/depot_gui.cpp

@@ -19,6 +19,7 @@
 #include "depot_base.h"
 #include "spritecache.h"
 #include "strings_func.h"
+#include "sound_func.h"
 #include "vehicle_func.h"
 #include "company_func.h"
 #include "tilehighlight_func.h"
@@ -815,6 +816,7 @@ struct DepotWindow : Window {
 				} else {
 					ResetObjectToPlace();
 				}
+				SndClickBeep();
 				break;
 
 			case WID_D_LOCATION:

src/dock_gui.cpp

@@ -469,7 +469,7 @@ public:
 				this->RaiseWidget(_settings_client.gui.station_show_coverage + BDSW_LT_OFF);
 				_settings_client.gui.station_show_coverage = (widget != BDSW_LT_OFF);
 				this->LowerWidget(_settings_client.gui.station_show_coverage + BDSW_LT_OFF);
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				this->SetDirty();
 				SetViewportCatchmentStation(nullptr, true);
 				break;
@@ -580,7 +580,7 @@ public:
 				this->RaiseWidget(WID_BDD_X + _ship_depot_direction);
 				_ship_depot_direction = (widget == WID_BDD_X ? AXIS_X : AXIS_Y);
 				this->LowerWidget(WID_BDD_X + _ship_depot_direction);
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				UpdateDocksDirection();
 				this->SetDirty();
 				break;

src/dropdown_type.h

@@ -14,7 +14,6 @@
 #include "gfx_func.h"
 #include "gfx_type.h"
 #include "palette_func.h"
-#include "window_gui.h"
 
 /**
  * Base list item class from which others are derived.

src/genworld_gui.cpp

@@ -323,7 +323,7 @@ static void StartGeneratingLandscape(GenerateLandscapeWindowMode mode)
 	MakeNewgameSettingsLive();
 	ResetGRFConfig(true);
 
-	if (_settings_client.sound.confirm) SndPlayFx(SND_15_BEEP);
+	SndConfirmBeep();
 	switch (mode) {
 		case GLWM_GENERATE:  _switch_mode = (_game_mode == GM_EDITOR) ? SM_GENRANDLAND    : SM_NEWGAME;         break;
 		case GLWM_HEIGHTMAP: _switch_mode = (_game_mode == GM_EDITOR) ? SM_LOAD_HEIGHTMAP : SM_START_HEIGHTMAP; break;
@@ -654,26 +654,27 @@ struct GenerateLandscapeWindow : public Window {
 			case WID_GL_TROPICAL:
 			case WID_GL_TOYLAND:
 				SetNewLandscapeType(LandscapeType(widget - WID_GL_TEMPERATE));
+				SndClickBeep();
 				break;
 
 			case WID_GL_MAPSIZE_X_PULLDOWN: // Mapsize X
-				ShowDropDownList(this, BuildMapsizeDropDown(), _settings_newgame.game_creation.map_x, WID_GL_MAPSIZE_X_PULLDOWN);
+				this->HandleDropdownListButtonClick(BuildMapsizeDropDown(), _settings_newgame.game_creation.map_x, WID_GL_MAPSIZE_X_PULLDOWN);
 				break;
 
 			case WID_GL_MAPSIZE_Y_PULLDOWN: // Mapsize Y
-				ShowDropDownList(this, BuildMapsizeDropDown(), _settings_newgame.game_creation.map_y, WID_GL_MAPSIZE_Y_PULLDOWN);
+				this->HandleDropdownListButtonClick(BuildMapsizeDropDown(), _settings_newgame.game_creation.map_y, WID_GL_MAPSIZE_Y_PULLDOWN);
 				break;
 
 			case WID_GL_TOWN_PULLDOWN: // Number of towns
-				ShowDropDownMenu(this, _num_towns, _settings_newgame.difficulty.number_towns, WID_GL_TOWN_PULLDOWN, 0, 0);
+				this->HandleDropdownMenuButtonClick(_num_towns, _settings_newgame.difficulty.number_towns, WID_GL_TOWN_PULLDOWN, 0, 0);
 				break;
 
 			case WID_GL_TOWNNAME_DROPDOWN: // Townname generator
-				ShowDropDownList(this, BuildTownNameDropDown(), _settings_newgame.game_creation.town_name, WID_GL_TOWNNAME_DROPDOWN);
+				this->HandleDropdownListButtonClick(BuildTownNameDropDown(), _settings_newgame.game_creation.town_name, WID_GL_TOWNNAME_DROPDOWN);
 				break;
 
 			case WID_GL_INDUSTRY_PULLDOWN: // Number of industries
-				ShowDropDownMenu(this, _num_inds, _settings_newgame.difficulty.industry_density, WID_GL_INDUSTRY_PULLDOWN, 0, 0);
+				this->HandleDropdownMenuButtonClick(_num_inds, _settings_newgame.difficulty.industry_density, WID_GL_INDUSTRY_PULLDOWN, 0, 0);
 				break;
 
 			case WID_GL_GENERATE_BUTTON: { // Generate
@@ -718,6 +719,7 @@ struct GenerateLandscapeWindow : public Window {
 			case WID_GL_HEIGHTMAP_HEIGHT_TEXT: // Height level text
 				this->widget_id = WID_GL_HEIGHTMAP_HEIGHT_TEXT;
 				ShowQueryString(GetString(STR_JUST_INT, _settings_newgame.game_creation.heightmap_height), STR_MAPGEN_HEIGHTMAP_HEIGHT_QUERY_CAPT, 4, this, CS_NUMERAL, QueryStringFlag::EnableDefault);
+				SndClickBeep();
 				break;
 
 
@@ -753,6 +755,7 @@ struct GenerateLandscapeWindow : public Window {
 			case WID_GL_SNOW_COVERAGE_TEXT: // Snow coverage text
 				this->widget_id = WID_GL_SNOW_COVERAGE_TEXT;
 				ShowQueryString(GetString(STR_JUST_INT, _settings_newgame.game_creation.snow_coverage), STR_MAPGEN_SNOW_COVERAGE_QUERY_CAPT, 4, this, CS_NUMERAL, QueryStringFlag::EnableDefault);
+				SndClickBeep();
 				break;
 
 			case WID_GL_DESERT_COVERAGE_DOWN:
@@ -770,15 +773,16 @@ struct GenerateLandscapeWindow : public Window {
 			case WID_GL_DESERT_COVERAGE_TEXT: // Desert line text
 				this->widget_id = WID_GL_DESERT_COVERAGE_TEXT;
 				ShowQueryString(GetString(STR_JUST_INT, _settings_newgame.game_creation.desert_coverage), STR_MAPGEN_DESERT_COVERAGE_QUERY_CAPT, 4, this, CS_NUMERAL, QueryStringFlag::EnableDefault);
+				SndClickBeep();
 				break;
 
 			case WID_GL_HEIGHTMAP_ROTATION_PULLDOWN: // Heightmap rotation
-				ShowDropDownMenu(this, _rotation, _settings_newgame.game_creation.heightmap_rotation, WID_GL_HEIGHTMAP_ROTATION_PULLDOWN, 0, 0);
+				this->HandleDropdownMenuButtonClick(_rotation, _settings_newgame.game_creation.heightmap_rotation, WID_GL_HEIGHTMAP_ROTATION_PULLDOWN, 0, 0);
 				break;
 
 			case WID_GL_TERRAIN_PULLDOWN: // Terrain type
 				/* For the original map generation only the first four are valid. */
-				ShowDropDownMenu(this, _elevations, _settings_newgame.difficulty.terrain_type, WID_GL_TERRAIN_PULLDOWN, 0, _settings_newgame.game_creation.land_generator == LG_ORIGINAL ? ~0xF : 0);
+				this->HandleDropdownMenuButtonClick(_elevations, _settings_newgame.difficulty.terrain_type, WID_GL_TERRAIN_PULLDOWN, 0, _settings_newgame.game_creation.land_generator == LG_ORIGINAL ? ~0xF : 0);
 				break;
 
 			case WID_GL_WATER_PULLDOWN: { // Water quantity
@@ -787,45 +791,50 @@ struct GenerateLandscapeWindow : public Window {
 				if (_settings_newgame.game_creation.land_generator == LG_ORIGINAL) {
 					SetBit(hidden_mask, CUSTOM_SEA_LEVEL_NUMBER_DIFFICULTY);
 				}
-				ShowDropDownMenu(this, _sea_lakes, _settings_newgame.difficulty.quantity_sea_lakes, WID_GL_WATER_PULLDOWN, 0, hidden_mask);
+				this->HandleDropdownMenuButtonClick(_sea_lakes, _settings_newgame.difficulty.quantity_sea_lakes, WID_GL_WATER_PULLDOWN, 0, hidden_mask);
 				break;
 			}
 
 			case WID_GL_RIVER_PULLDOWN: // Amount of rivers
-				ShowDropDownMenu(this, _rivers, _settings_newgame.game_creation.amount_of_rivers, WID_GL_RIVER_PULLDOWN, 0, 0);
+				this->HandleDropdownMenuButtonClick(_rivers, _settings_newgame.game_creation.amount_of_rivers, WID_GL_RIVER_PULLDOWN, 0, 0);
 				break;
 
 			case WID_GL_SMOOTHNESS_PULLDOWN: // Map smoothness
-				ShowDropDownMenu(this, _smoothness, _settings_newgame.game_creation.tgen_smoothness, WID_GL_SMOOTHNESS_PULLDOWN, 0, 0);
+				this->HandleDropdownMenuButtonClick(_smoothness, _settings_newgame.game_creation.tgen_smoothness, WID_GL_SMOOTHNESS_PULLDOWN, 0, 0);
 				break;
 
 			case WID_GL_VARIETY_PULLDOWN: // Map variety
-				ShowDropDownMenu(this, _variety, _settings_newgame.game_creation.variety, WID_GL_VARIETY_PULLDOWN, 0, 0);
+				this->HandleDropdownMenuButtonClick(_variety, _settings_newgame.game_creation.variety, WID_GL_VARIETY_PULLDOWN, 0, 0);
 				break;
 
 			/* Freetype map borders */
 			case WID_GL_WATER_NW:
 				_settings_newgame.game_creation.water_borders.Flip(BorderFlag::NorthWest);
+				SndClickBeep();
 				this->InvalidateData();
 				break;
 
 			case WID_GL_WATER_NE:
 				_settings_newgame.game_creation.water_borders.Flip(BorderFlag::NorthEast);
+				SndClickBeep();
 				this->InvalidateData();
 				break;
 
 			case WID_GL_WATER_SE:
 				_settings_newgame.game_creation.water_borders.Flip(BorderFlag::SouthEast);
+				SndClickBeep();
 				this->InvalidateData();
 				break;
 
 			case WID_GL_WATER_SW:
 				_settings_newgame.game_creation.water_borders.Flip(BorderFlag::SouthWest);
+				SndClickBeep();
 				this->InvalidateData();
 				break;
 
 			case WID_GL_BORDERS_RANDOM:
 				_settings_newgame.game_creation.water_borders = (_settings_newgame.game_creation.water_borders == BorderFlag::Random) ? BorderFlag{} : BorderFlag::Random;
+				SndClickBeep();
 				this->InvalidateData();
 				break;
 
@@ -1134,11 +1143,11 @@ struct CreateScenarioWindow : public Window
 				break;
 
 			case WID_CS_MAPSIZE_X_PULLDOWN: // Mapsize X
-				ShowDropDownList(this, BuildMapsizeDropDown(), _settings_newgame.game_creation.map_x, WID_CS_MAPSIZE_X_PULLDOWN);
+				this->HandleDropdownListButtonClick(BuildMapsizeDropDown(), _settings_newgame.game_creation.map_x, WID_CS_MAPSIZE_X_PULLDOWN);
 				break;
 
 			case WID_CS_MAPSIZE_Y_PULLDOWN: // Mapsize Y
-				ShowDropDownList(this, BuildMapsizeDropDown(), _settings_newgame.game_creation.map_y, WID_CS_MAPSIZE_Y_PULLDOWN);
+				this->HandleDropdownListButtonClick(BuildMapsizeDropDown(), _settings_newgame.game_creation.map_y, WID_CS_MAPSIZE_Y_PULLDOWN);
 				break;
 
 			case WID_CS_EMPTY_WORLD: // Empty world / flat world

src/graph_gui.cpp

@@ -17,6 +17,7 @@
 #include "cargotype.h"
 #include "strings_func.h"
 #include "window_func.h"
+#include "sound_func.h"
 #include "gfx_func.h"
 #include "core/geometry_func.hpp"
 #include "currency.h"
@@ -90,6 +91,8 @@ struct GraphLegendWindow : Window {
 		InvalidateWindowData(WC_DELIVERED_CARGO, 0);
 		InvalidateWindowData(WC_PERFORMANCE_HISTORY, 0);
 		InvalidateWindowData(WC_COMPANY_VALUE, 0);
+
+		SndClickBeep();
 	}
 
 	/**
@@ -718,6 +721,7 @@ public:
 
 				if (HasBit(this->masked_range, row)) break;
 				ToggleBit(this->excluded_range, row);
+				SndClickBeep();
 				this->SetDirty();
 				break;
 			}
@@ -1255,6 +1259,8 @@ struct BaseCargoGraphWindow : BaseGraphWindow {
 				int row = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_GRAPH_MATRIX);
 				if (row >= this->vscroll->GetCount()) return;
 
+				SndClickBeep();
+
 				for (const CargoSpec *cs : _sorted_cargo_specs) {
 					if (!HasBit(this->cargo_types, cs->Index())) continue;
 					if (row-- > 0) continue;

src/group_gui.cpp

@@ -700,15 +700,15 @@ public:
 				break;
 
 			case WID_GL_GROUP_BY_DROPDOWN: // Select grouping option dropdown menu
-				ShowDropDownMenu(this, this->vehicle_group_by_names, this->grouping, WID_GL_GROUP_BY_DROPDOWN, 0, 0);
+				this->HandleDropdownMenuButtonClick(this->vehicle_group_by_names, this->grouping, WID_GL_GROUP_BY_DROPDOWN, 0, 0);
 				return;
 
 			case WID_GL_SORT_BY_DROPDOWN: // Select sorting criteria dropdown menu
-				ShowDropDownMenu(this, this->GetVehicleSorterNames(), this->vehgroups.SortType(),  WID_GL_SORT_BY_DROPDOWN, 0, (this->vli.vtype == VEH_TRAIN || this->vli.vtype == VEH_ROAD) ? 0 : (1 << 10));
+				this->HandleDropdownMenuButtonClick(this->GetVehicleSorterNames(), this->vehgroups.SortType(),  WID_GL_SORT_BY_DROPDOWN, 0, (this->vli.vtype == VEH_TRAIN || this->vli.vtype == VEH_ROAD) ? 0 : (1 << 10));
 				return;
 
 			case WID_GL_FILTER_BY_CARGO: // Select filtering criteria dropdown menu
-				ShowDropDownList(this, this->BuildCargoDropDownList(false), this->cargo_filter_criteria, widget);
+				this->HandleDropdownListButtonClick(this->BuildCargoDropDownList(false), this->cargo_filter_criteria, widget);
 				break;
 
 			case WID_GL_ALL_VEHICLES: // All vehicles button
@@ -849,7 +849,7 @@ public:
 				break;
 
 			case WID_GL_MANAGE_VEHICLES_DROPDOWN: {
-				ShowDropDownList(this, this->BuildActionDropdownList(true, Group::IsValidID(this->vli.ToGroupID()), IsDefaultGroupID(this->vli.ToGroupID())), -1, WID_GL_MANAGE_VEHICLES_DROPDOWN);
+				this->HandleDropdownListButtonClick(this->BuildActionDropdownList(true, Group::IsValidID(this->vli.ToGroupID()), IsDefaultGroupID(this->vli.ToGroupID())), -1, WID_GL_MANAGE_VEHICLES_DROPDOWN);
 				break;
 			}
 

src/industry_gui.cpp

@@ -1798,15 +1798,15 @@ public:
 				break;
 
 			case WID_ID_DROPDOWN_CRITERIA:
-				ShowDropDownMenu(this, IndustryDirectoryWindow::sorter_names, this->industries.SortType(), WID_ID_DROPDOWN_CRITERIA, 0, 0);
+				this->HandleDropdownMenuButtonClick(IndustryDirectoryWindow::sorter_names, this->industries.SortType(), WID_ID_DROPDOWN_CRITERIA, 0, 0);
 				break;
 
 			case WID_ID_FILTER_BY_ACC_CARGO: // Cargo filter dropdown
-				ShowDropDownList(this, this->BuildCargoDropDownList(), this->accepted_cargo_filter_criteria, widget);
+				this->HandleDropdownListButtonClick(this->BuildCargoDropDownList(), this->accepted_cargo_filter_criteria, widget);
 				break;
 
 			case WID_ID_FILTER_BY_PROD_CARGO: // Cargo filter dropdown
-				ShowDropDownList(this, this->BuildCargoDropDownList(), this->produced_cargo_filter_criteria, widget);
+				this->HandleDropdownListButtonClick(this->BuildCargoDropDownList(), this->produced_cargo_filter_criteria, widget);
 				break;
 
 			case WID_ID_INDUSTRY_LIST: {
@@ -3076,7 +3076,7 @@ struct IndustryCargoesWindow : public Window {
 			case WID_IC_NOTIFY:
 				this->ToggleWidgetLoweredState(WID_IC_NOTIFY);
 				this->SetWidgetDirty(WID_IC_NOTIFY);
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 
 				if (this->IsWidgetLowered(WID_IC_NOTIFY)) {
 					if (FindWindowByClass(WC_SMALLMAP) == nullptr) ShowSmallMap();
@@ -3092,7 +3092,7 @@ struct IndustryCargoesWindow : public Window {
 				}
 				if (!lst.empty()) {
 					int selected = (this->ind_cargo >= NUM_INDUSTRYTYPES) ? (int)(this->ind_cargo - NUM_INDUSTRYTYPES) : -1;
-					ShowDropDownList(this, std::move(lst), selected, WID_IC_CARGO_DROPDOWN);
+					this->HandleDropdownListButtonClick(std::move(lst), selected, WID_IC_CARGO_DROPDOWN);
 				}
 				break;
 			}
@@ -3106,7 +3106,7 @@ struct IndustryCargoesWindow : public Window {
 				}
 				if (!lst.empty()) {
 					int selected = (this->ind_cargo < NUM_INDUSTRYTYPES) ? (int)this->ind_cargo : -1;
-					ShowDropDownList(this, std::move(lst), selected, WID_IC_IND_DROPDOWN);
+					this->HandleDropdownListButtonClick(std::move(lst), selected, WID_IC_IND_DROPDOWN);
 				}
 				break;
 			}

src/lang/hungarian.txt

@@ -697,8 +697,11 @@ STR_GRAPH_CARGO_TOOLTIP_DISABLE_ALL                             :{BLACK}Ne mutas
 STR_GRAPH_CARGO_PAYMENT_TOGGLE_CARGO                            :{BLACK}Adott rakomány grafikonjának mutatása be/ki
 STR_GRAPH_CARGO_PAYMENT_CARGO                                   :{TINY_FONT}{BLACK}{STRING}
 
+STR_GRAPH_INDUSTRY_CAPTION                                      :{WHITE}{INDUSTRY} - Rakománytörténet
 STR_GRAPH_INDUSTRY_RANGE_PRODUCED                               :Előállított
 STR_GRAPH_INDUSTRY_RANGE_TRANSPORTED                            :Szállítva
+STR_GRAPH_INDUSTRY_RANGE_DELIVERED                              :Leszállítva
+STR_GRAPH_INDUSTRY_RANGE_WAITING                                :Várakozik
 
 STR_GRAPH_PERFORMANCE_DETAIL_TOOLTIP                            :{BLACK}Részletes teljesítményértékelés mutatása
 
@@ -4087,6 +4090,8 @@ STR_INDUSTRY_VIEW_PRODUCTION_LAST_MONTH_TITLE                   :{BLACK}Múlt ha
 STR_INDUSTRY_VIEW_PRODUCTION_LAST_MINUTE_TITLE                  :{BLACK}Termelés az elmúlt percben:
 STR_INDUSTRY_VIEW_TRANSPORTED                                   :{YELLOW}{CARGO_LONG}{STRING}{BLACK} ({COMMA}% elszállítva)
 STR_INDUSTRY_VIEW_LOCATION_TOOLTIP                              :{BLACK}A fő nézetet a gazdasági épületre állítja. Ctrl+kattintással új nézet nyílik a gazdasági épület helyzeténél
+STR_INDUSTRY_VIEW_CARGO_GRAPH                                   :{BLACK}Rakomány grafikon
+STR_INDUSTRY_VIEW_CARGO_GRAPH_TOOLTIP                           :{BLACK}Megmutatja az iparág rakománytörténetének grafikonját
 STR_INDUSTRY_VIEW_PRODUCTION_LEVEL                              :{BLACK}Termelési szint: {YELLOW}{COMMA}%
 STR_INDUSTRY_VIEW_INDUSTRY_ANNOUNCED_CLOSURE                    :{YELLOW}A gyár bejelentette a közelgő bezárását!
 
@@ -5062,6 +5067,7 @@ STR_ERROR_FLAT_LAND_REQUIRED                                    :{WHITE}Sima tal
 STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION                        :{WHITE}Rossz irányba lejt a föld
 STR_ERROR_CAN_T_DO_THIS                                         :{WHITE}Nem teheted ezt...
 STR_ERROR_BUILDING_MUST_BE_DEMOLISHED                           :{WHITE}Előbb le kell rombolnod az épületet
+STR_ERROR_BUILDING_IS_PROTECTED                                 :{WHITE}... a(z) épület védett
 STR_ERROR_CAN_T_CLEAR_THIS_AREA                                 :{WHITE}Nem tisztíthatod meg ezt a területet...
 STR_ERROR_SITE_UNSUITABLE                                       :{WHITE}... nem alkalmas rá a hely
 STR_ERROR_ALREADY_BUILT                                         :{WHITE}... már van itt

src/lang/japanese.txt

@@ -437,6 +437,7 @@ STR_SETTINGS_MENU_NEWGRF_SETTINGS                               :NewGRFの設定
 STR_SETTINGS_MENU_TRANSPARENCY_OPTIONS                          :透過表示設定
 STR_SETTINGS_MENU_TOWN_NAMES_DISPLAYED                          :街名を表示
 STR_SETTINGS_MENU_STATION_NAMES_DISPLAYED                       :駅名を表示
+STR_SETTINGS_MENU_STATION_NAMES_BUS                             :バス停
 STR_SETTINGS_MENU_WAYPOINTS_DISPLAYED                           :中継駅名を表示
 STR_SETTINGS_MENU_SIGNS_DISPLAYED                               :標識を表示
 STR_SETTINGS_MENU_SHOW_COMPETITOR_SIGNS                         :競争者の標識と名前を表示
@@ -522,6 +523,7 @@ STR_ABOUT_MENU_ABOUT_OPENTTD                                    :OpenTTDにつ
 STR_ABOUT_MENU_SPRITE_ALIGNER                                   :スプライトを整列
 STR_ABOUT_MENU_TOGGLE_BOUNDING_BOXES                            :バウンディングボックスの表示切替
 STR_ABOUT_MENU_TOGGLE_DIRTY_BLOCKS                              :ダーティーブロックの色付け切替
+STR_ABOUT_MENU_TOGGLE_WIDGET_OUTLINES                           :ウィジェットの枠線の表示切替
 
 ###length 31
 STR_DAY_NUMBER_1ST                                              :1
@@ -1203,12 +1205,14 @@ STR_CONFIG_SETTING_HORIZONTAL_POS_CENTER                        :中央
 STR_CONFIG_SETTING_HORIZONTAL_POS_RIGHT                         :右
 
 
+STR_CONFIG_SETTING_INFINITE_MONEY                               :無限の資金: {STRING}
+STR_CONFIG_SETTING_INFINITE_MONEY_HELPTEXT                      :無制限の支出を許容し、会社の破産も無効にします
 
 STR_CONFIG_SETTING_MAXIMUM_INITIAL_LOAN                         :初期の借入最大額: {STRING}
-STR_CONFIG_SETTING_MAXIMUM_INITIAL_LOAN_HELPTEXT                :初期の借入限度額を設定します (インフレは考慮されません)
+STR_CONFIG_SETTING_MAXIMUM_INITIAL_LOAN_HELPTEXT                :初期の借入限度額を設定します (インフレは考慮されません)。「借入金なし」に設定した場合、ゲームスクリプトか「無限の資金」オプションによる提供がない限り、資金は利用できなくなります。
 STR_CONFIG_SETTING_MAXIMUM_INITIAL_LOAN_VALUE                   :{CURRENCY_LONG}
 ###setting-zero-is-special
-STR_CONFIG_SETTING_MAXIMUM_INITIAL_LOAN_DISABLED                :借入金なし {RED}ゲームスクリプトで資金を受給する必要があります
+STR_CONFIG_SETTING_MAXIMUM_INITIAL_LOAN_DISABLED                :借入金なし
 
 STR_CONFIG_SETTING_INTEREST_RATE                                :金利: {STRING}
 STR_CONFIG_SETTING_INTEREST_RATE_HELPTEXT                       :借入利率を設定します (インフレ設定を有効にしたときのインフレ率にも影響します)
@@ -1247,7 +1251,7 @@ STR_CONFIG_SETTING_TRAIN_REVERSING_HELPTEXT                     :設定を有効
 STR_CONFIG_SETTING_DISASTERS                                    :災害: {STRING}
 STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :設定を有効にすると時折、乗り物や交通インフラを遮断・破壊する災害が起きるようになります
 
-STR_CONFIG_SETTING_CITY_APPROVAL                                :議会の姿勢: {STRING}
+STR_CONFIG_SETTING_CITY_APPROVAL                                :地方自治体の姿勢: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :会社が街で引き起こした騒音(主に空港)や環境破壊がどの程度、街での評価や更なる建設行為に影響するかを設定します
 
 STR_CONFIG_SETTING_MAP_HEIGHT_LIMIT                             :マップ高さ限界: {STRING}
@@ -1351,10 +1355,10 @@ STR_CONFIG_SETTING_AUTOSCROLL_MAIN_VIEWPORT_FULLSCREEN          :する (フル
 STR_CONFIG_SETTING_AUTOSCROLL_MAIN_VIEWPORT                     :する
 STR_CONFIG_SETTING_AUTOSCROLL_EVERY_VIEWPORT                    :する (ビューポートでも有効)
 
-STR_CONFIG_SETTING_BRIBE                                        :議会の買収: {STRING}
+STR_CONFIG_SETTING_BRIBE                                        :地方自治体の贈賄: {STRING}
 ###length 2
-STR_CONFIG_SETTING_BRIBE_HELPTEXT                               :街で議会買収を企てられるようになります。成功すれば街での評判が良くなりますが、地元当局に事が発覚した場合罰金を受けた上評判が悪くなり、その上その街では半年間何もできなくなります
+STR_CONFIG_SETTING_BRIBE_HELPTEXT                               :地方自治体への贈賄を企てられるようにします。もし当局に事が発覚した場合、贈賄を試みた会社は当該自治体では半年間何もできなくなります
-STR_CONFIG_SETTING_BRIBE_HELPTEXT_MINUTES                       :会社が議会買収を企てられるようにします。もし当局に事が発覚した場合、買収した会社は当該自治体では半年間何もできなくなります
+STR_CONFIG_SETTING_BRIBE_HELPTEXT_MINUTES                       :地方自治体への贈賄を企てられるようにします。もし当局に事が発覚した場合、贈賄を試みた会社は当該自治体では半年間何もできなくなります
 
 STR_CONFIG_SETTING_ALLOW_EXCLUSIVE                              :独占運送契約の締結: {STRING}
 ###length 2
@@ -1424,6 +1428,7 @@ STR_CONFIG_SETTING_NEVER_EXPIRE_VEHICLES_HELPTEXT               :有効にする
 
 ###setting-zero-is-special
 
+STR_CONFIG_SETTING_CARGO_SCALE_VALUE                            :{NUM}%
 
 STR_CONFIG_SETTING_AUTORENEW_VEHICLE                            :老朽車両の自動交換: {STRING}
 STR_CONFIG_SETTING_AUTORENEW_VEHICLE_HELPTEXT                   :有効にすると、耐用年数を越えた輸送機器は自動で更新されるようになります(交換には一度格納施設に戻る必要があります)。具体的な交換時期は下の設定で変更できます。
@@ -1858,7 +1863,7 @@ STR_CONFIG_SETTING_ALLOW_TOWN_ROADS_HELPTEXT                    :街の自治体
 STR_CONFIG_SETTING_ALLOW_TOWN_LEVEL_CROSSINGS                   :街路との平面交差を許可: {STRING}
 STR_CONFIG_SETTING_ALLOW_TOWN_LEVEL_CROSSINGS_HELPTEXT          :有効にすると、会社が作る道路と街路とが交差できるようになります
 
-STR_CONFIG_SETTING_NOISE_LEVEL                                  :空港建設に対する街の騒音レベル規制: {STRING}
+STR_CONFIG_SETTING_NOISE_LEVEL                                  :騒音レベルに基づいた空港建設の制限: {STRING}
 STR_CONFIG_SETTING_NOISE_LEVEL_HELPTEXT                         :この設定を無効にすると、街に作れる空港は最大2つまでになります。有効にした場合は、各空港の騒音レベルの総和が街の騒音許容レベル以下になるようにしか建てられません。騒音レベルは空港の大きさ・街からの距離により、騒音許容レベルは街の人口により左右されます
 
 STR_CONFIG_SETTING_TOWN_FOUNDING                                :ゲーム中での街新設: {STRING}
@@ -1936,9 +1941,9 @@ STR_CONFIG_SETTING_CITY_SIZE_MULTIPLIER                         :初期の都市
 STR_CONFIG_SETTING_CITY_SIZE_MULTIPLIER_HELPTEXT                :ゲーム開始時に都市が普通の街に比べて平均して何倍の人口規模になるかを設定します
 
 STR_CONFIG_SETTING_LINKGRAPH_RECALC_INTERVAL                    :行先分配グラフを{STRING}秒毎に更新
-STR_CONFIG_SETTING_LINKGRAPH_RECALC_INTERVAL_HELPTEXT           :行先分配グラフの更新の間の待ち時間。各更新はグラフの一部だけのルートを再計算します。即ち、この設定を〇〇秒に指定する場合、全グラフが〇〇秒毎に更新されるのではありません。間隔が短ければ短いほどCPU時間を消費します。長ければ長いほど貨物流通の新規ルートの行先分配に時間がかかります。
+STR_CONFIG_SETTING_LINKGRAPH_RECALC_INTERVAL_HELPTEXT           :行先分配グラフの再計算間隔。各計算タイミングでは一部のグラフのみが再計算されます。よって、ここ設定した X 秒ごとにグラフ全体が更新されるというわけではありません。再計算の間隔が短ければ短いほどCPU時間を消費します。長ければ長いほど貨物流通の新規ルートの行先分配に時間がかかります。
 STR_CONFIG_SETTING_LINKGRAPH_RECALC_TIME                        :行先分配の更新に{STRING}秒を割り当て
-STR_CONFIG_SETTING_LINKGRAPH_RECALC_TIME_HELPTEXT               :行先分配グラフの更新に割り当てられる時間。更新が始まると、スレッドが生成されて、指定の時間に実行させられます。短ければ短いほど間に合わない可能性が高まります。その場合、ゲームは停止して計算完了を待ちます。長ければ長いほどルート変更の際に行先分配の更新に時間がかかります。
+STR_CONFIG_SETTING_LINKGRAPH_RECALC_TIME_HELPTEXT               :行先分配グラフの再計算に割り当てられる時間。再計算が始まると、グラフの処理のために指定した生存秒数だけ実行可能なスレッドが作られます。生存秒数が短ければ短いほど再計算が間に合わない可能性が高まります。その際、ゲームは一時停止して計算完了を待ちます。生存秒数が長ければ長いほど、ルート変更の際に行先分配の更新に時間がかかります。
 
 STR_CONFIG_SETTING_DISTRIBUTION_PAX                             :旅客の行先分配法: {STRING}
 STR_CONFIG_SETTING_DISTRIBUTION_PAX_HELPTEXT                    :旅客がどのように行き先別に分配されるかを設定します。「対称」ではAからBへ向かう乗客とほぼ同数が、BからAに向かうようになります。 「非対称」ではそれぞれの方向に向かう旅客数は独立に決められます。「無効」では行き先別分配をしなくなります。
@@ -1954,7 +1959,7 @@ STR_CONFIG_SETTING_DISTRIBUTION_ASYMMETRIC                      :非対称
 STR_CONFIG_SETTING_DISTRIBUTION_SYMMETRIC                       :対称
 
 STR_CONFIG_SETTING_LINKGRAPH_ACCURACY                           :分配精度: {STRING}
-STR_CONFIG_SETTING_LINKGRAPH_ACCURACY_HELPTEXT                  :この値を高くすると、リンクグラフ演算の為CPUへの負荷が大きくなります。演算に時間がかかりすぎると、目に見えてタイムラグが起こる場合があります。しかし低い値に設定すると、分配が不正確になり、望まれる場所に貨物が送られなくなる場合があります
+STR_CONFIG_SETTING_LINKGRAPH_ACCURACY_HELPTEXT                  :この設定値を高く設定すればするほど、行先分配グラフの計算に要するCPU時間が長くなります。計算に時間がかかりすぎると遅延が発生する可能性があります。一方、設定値を低く設定すると分配が不正確になり、荷物が意図された場所に送られない場合があります。
 
 STR_CONFIG_SETTING_DEMAND_DISTANCE                              :距離効果: {STRING}
 STR_CONFIG_SETTING_DEMAND_DISTANCE_HELPTEXT                     :0より大きい値に設定すると、ある貨物の生産先Aと受取可能先Bとの距離がAからBへ送られる貨物量に影響を及ぼすようになります。高い値を設定すればするほど、遠い施設に送られる貨物量は少なくなり、近場の施設に送られる量が大きくなります
@@ -2058,8 +2063,10 @@ STR_CONFIG_ERROR_INVALID_BASE_MUSIC_NOT_FOUND                   :{WHITE}ファ
 # Video initalization errors
 STR_VIDEO_DRIVER_ERROR                                          :{WHITE}ビデオ設定にエラーがあります...
 STR_VIDEO_DRIVER_ERROR_NO_HARDWARE_ACCELERATION                 :{WHITE}... 対応する GPU が見つかりません。ハードウェアアクセラレーションは無効になります。
+STR_VIDEO_DRIVER_ERROR_HARDWARE_ACCELERATION_CRASH              :{WHITE}... GPUドライバーがゲームをクラッシュさせました。ハードウェアアクセラレーションは無効になりました
 
 # Intro window
+STR_INTRO_CAPTION                                               :{WHITE}OpenTTD
 
 STR_INTRO_NEW_GAME                                              :{BLACK}新しいゲーム
 STR_INTRO_LOAD_GAME                                             :{BLACK}ロード
@@ -2070,6 +2077,7 @@ STR_INTRO_MULTIPLAYER                                           :{BLACK}マル
 
 STR_INTRO_GAME_OPTIONS                                          :{BLACK}基本設定
 STR_INTRO_HIGHSCORE                                             :{BLACK}ハイスコア
+STR_INTRO_HELP                                                  :{BLACK}ヘルプとマニュアル
 STR_INTRO_ONLINE_CONTENT                                        :{BLACK}オンラインコンテンツの確認
 STR_INTRO_QUIT                                                  :{BLACK}終了
 
@@ -2121,14 +2129,14 @@ STR_HELP_WINDOW_COMMUNITY                                       :{BLACK}コミ
 STR_CHEATS                                                      :{WHITE}サンドボックスのオプション
 STR_CHEAT_MONEY                                                 :{LTBLUE}預金残高を{CURRENCY_LONG}増やす
 STR_CHEAT_CHANGE_COMPANY                                        :{LTBLUE}会社: {ORANGE}{COMMA}を乗っ取ってプレイする
-STR_CHEAT_EXTRA_DYNAMITE                                        :{LTBLUE}魔法のブルドーザー(産業拠点等、何でも撤去できる): {ORANGE}{STRING}
+STR_CHEAT_EXTRA_DYNAMITE                                        :{LTBLUE}魔法のブルドーザー(産業拠点など何でも撤去可能): {ORANGE}{STRING}
 STR_CHEAT_CROSSINGTUNNELS                                       :{LTBLUE}トンネルの平面交差を許容: {ORANGE}{STRING}
 STR_CHEAT_NO_JETCRASH                                           :{LTBLUE}ジェット機の小型空港での墜落率を減少: {ORANGE}{STRING}
 STR_CHEAT_EDIT_MAX_HL                                           :{LTBLUE}マップの最高高度を変更: {ORANGE}{NUM}
 STR_CHEAT_EDIT_MAX_HL_QUERY_CAPT                                :{WHITE}マップの最大高度
 STR_CHEAT_CHANGE_DATE                                           :{LTBLUE}日付を変更: {ORANGE}{DATE_SHORT}
 STR_CHEAT_CHANGE_DATE_QUERY_CAPT                                :{WHITE}現在日時を変更
-STR_CHEAT_SETUP_PROD                                            :{LTBLUE}生産量変更: {ORANGE}{STRING}
+STR_CHEAT_SETUP_PROD                                            :{LTBLUE}産業の生産量の変更を有効化: {ORANGE}{STRING}
 
 # Livery window
 STR_LIVERY_CAPTION                                              :{WHITE}{COMPANY} - 配色
@@ -2457,6 +2465,7 @@ STR_NETWORK_SERVER_MESSAGE_GAME_REASON_LINK_GRAPH               :リンクグラ
 STR_NETWORK_MESSAGE_CLIENT_LEAVING                              :退出
 STR_NETWORK_MESSAGE_CLIENT_JOINED                               :*** {STRING} が参加してきました
 STR_NETWORK_MESSAGE_CLIENT_JOINED_ID                            :*** {STRING} がゲームに参加してきました (クライアント #{NUM})
+STR_NETWORK_MESSAGE_CLIENT_COMPANY_JOIN                         :*** {0:STRING} が{STRING}の経営に参画してきました
 STR_NETWORK_MESSAGE_CLIENT_COMPANY_SPECTATE                     :*** {STRING} がゲームを観覧し始めました
 STR_NETWORK_MESSAGE_CLIENT_COMPANY_NEW                          :*** {STRING} が新会社 (#{NUM}) を設立しました
 STR_NETWORK_MESSAGE_CLIENT_LEFT                                 :*** {STRING} が退出しました({STRING})
@@ -2672,6 +2681,7 @@ STR_SELECT_ROAD_BRIDGE_CAPTION                                  :{WHITE}道路
 STR_SELECT_BRIDGE_SELECTION_TOOLTIP                             :{BLACK}建設したい橋の種類をクリックしてください
 STR_SELECT_BRIDGE_INFO_NAME                                     :{GOLD}{STRING}
 STR_SELECT_BRIDGE_INFO_NAME_MAX_SPEED                           :{GOLD}{STRING}{} {VELOCITY}
+STR_SELECT_BRIDGE_INFO_NAME_COST                                :{GOLD}{STRING}{} {WHITE}{CURRENCY_LONG}
 STR_SELECT_BRIDGE_INFO_NAME_MAX_SPEED_COST                      :{GOLD}{STRING}{} {VELOCITY} {WHITE}{CURRENCY_LONG}
 STR_BRIDGE_NAME_SUSPENSION_STEEL                                :吊橋(S造)
 STR_BRIDGE_NAME_GIRDER_STEEL                                    :桁橋(S造)
@@ -3458,7 +3468,7 @@ STR_LOCAL_AUTHORITY_ACTION_ROAD_RECONSTRUCTION                  :道路補修に
 STR_LOCAL_AUTHORITY_ACTION_STATUE_OF_COMPANY                    :社長の彫像を建設
 STR_LOCAL_AUTHORITY_ACTION_NEW_BUILDINGS                        :市街地開発に出資
 STR_LOCAL_AUTHORITY_ACTION_EXCLUSIVE_TRANSPORT                  :独占運送契約を締結
-STR_LOCAL_AUTHORITY_ACTION_BRIBE                                :議会を買収
+STR_LOCAL_AUTHORITY_ACTION_BRIBE                                :地方自治体への贈賄
 ###next-name-looks-similar
 
 STR_LOCAL_AUTHORITY_ACTION_TOOLTIP_SMALL_ADVERTISING            :{PUSH_COLOUR}{YELLOW}旅客と貨物を確保する為に、街で新聞広告を実施します。{}より多くの旅客と貨物が自社の交通網を利用するようになります。{}{POP_COLOUR}費用: {CURRENCY_LONG}
@@ -3466,7 +3476,7 @@ STR_LOCAL_AUTHORITY_ACTION_TOOLTIP_MEDIUM_ADVERTISING           :{PUSH_COLOUR}{Y
 STR_LOCAL_AUTHORITY_ACTION_TOOLTIP_LARGE_ADVERTISING            :{PUSH_COLOUR}{YELLOW}旅客と貨物を確保する為に、街でTV-CMを開始します{}街の中心部の大範囲にある駅の評価が一時的に高まります。{}{POP_COLOUR}費用: {CURRENCY_LONG}
 STR_LOCAL_AUTHORITY_ACTION_TOOLTIP_STATUE_OF_COMPANY            :{PUSH_COLOUR}{YELLOW}社を称える彫像を建設します{}この街の駅の評価を恒久的に高めます。{}{POP_COLOUR}費用: {CURRENCY_LONG}
 STR_LOCAL_AUTHORITY_ACTION_TOOLTIP_NEW_BUILDINGS                :{PUSH_COLOUR}{YELLOW}市街地の開発に出資します{}街の成長速度が一時的に早まります。{}{POP_COLOUR}費用: {CURRENCY_LONG}
-STR_LOCAL_AUTHORITY_ACTION_TOOLTIP_BRIBE                        :{PUSH_COLOUR}{YELLOW}買収を行い、議会内の評判を高めます。注意: 露見した場合は処罰されます{}{POP_COLOUR}費用: {CURRENCY_LONG}
+STR_LOCAL_AUTHORITY_ACTION_TOOLTIP_BRIBE                        :{PUSH_COLOUR}{YELLOW}贈賄を通じて地方自治体内の評判を高めます。注意: 露見した場合は処罰されます{}{POP_COLOUR}費用: {CURRENCY_LONG}
 
 # Goal window
 STR_GOALS_CAPTION                                               :{WHITE}{COMPANY} 目標
@@ -4374,6 +4384,7 @@ STR_ORDER_REFIT_STOP_ORDER                                      :({STRING}に改
 STR_ORDER_STOP_ORDER                                            :(運用停止)
 
 
+STR_ORDER_GO_TO_STATION                                         :{STRING} {STATION}
 STR_ORDER_GO_TO_STATION_CAN_T_USE_STATION                       :{PUSH_COLOUR}{RED}(駅を使用できません){POP_COLOUR} {STRING} {STATION}
 
 STR_ORDER_IMPLICIT                                              :(自動)
@@ -4432,6 +4443,7 @@ STR_TIMETABLE_TOOLTIP                                           :{BLACK}ダイ
 STR_TIMETABLE_NO_TRAVEL                                         :運行計画無
 STR_TIMETABLE_NOT_TIMETABLEABLE                                 :該当区間を運行 (次の手動指令により自動設定)
 STR_TIMETABLE_TRAVEL_NOT_TIMETABLED                             :該当区間を運行 (ダイヤ設定無)
+STR_TIMETABLE_TRAVEL_NOT_TIMETABLED_SPEED                       :最高速度{VELOCITY}で該当区間を運行 (ダイヤ設定無)
 STR_TIMETABLE_TRAVEL_FOR                                        :{STRING}で該当区間を運行
 STR_TIMETABLE_TRAVEL_FOR_SPEED                                  :{STRING}で該当区間を運行(最高速度{VELOCITY})
 STR_TIMETABLE_TRAVEL_FOR_ESTIMATED                              :運行({0:STRING}・ダイヤ設定無)
@@ -4525,14 +4537,14 @@ STR_AI_CONFIG_MOVE_DOWN                                         :{BLACK}下に
 STR_AI_CONFIG_MOVE_DOWN_TOOLTIP                                 :{BLACK}選択したAIの順位を下げる
 
 STR_AI_CONFIG_GAMESCRIPT                                        :{SILVER}ゲームスクリプト
-STR_AI_CONFIG_GAMESCRIPT_PARAM                                  :{SILVER}パラメータ
+STR_AI_CONFIG_GAMESCRIPT_PARAM                                  :{SILVER}パラメーター
 STR_AI_CONFIG_AI                                                :{SILVER}AI
 
 STR_AI_CONFIG_CHANGE_AI                                         :{BLACK}AIを選択
 STR_AI_CONFIG_CHANGE_GAMESCRIPT                                 :{BLACK}ゲームスクリプトを選択
 STR_AI_CONFIG_CHANGE_TOOLTIP                                    :{BLACK}他のスクリプトをロードします。Ctrl+クリックで全ての利用可能バージョンを表示します
 STR_AI_CONFIG_CONFIGURE                                         :{BLACK}設定
-STR_AI_CONFIG_CONFIGURE_TOOLTIP                                 :{BLACK}スクリプトのパラメータを設定します
+STR_AI_CONFIG_CONFIGURE_TOOLTIP                                 :{BLACK}スクリプトのパラメーターを設定します
 
 # Available AIs window
 STR_AI_LIST_CAPTION                                             :{WHITE}使用可能な{STRING}
@@ -4556,8 +4568,8 @@ STR_SCREENSHOT_HEIGHTMAP_SCREENSHOT                             :{BLACK}ハイ
 STR_SCREENSHOT_MINIMAP_SCREENSHOT                               :{BLACK}ミニマップのスクリーンショット
 
 # Script Parameters
-STR_AI_SETTINGS_CAPTION_AI                                      :AI
+STR_AI_SETTINGS_CAPTION_AI                                      :{WHITE}AIのパラメーター
-STR_AI_SETTINGS_CAPTION_GAMESCRIPT                              :ゲームスクリプト
+STR_AI_SETTINGS_CAPTION_GAMESCRIPT                              :{WHITE}ゲームスクリプトのパラメーター
 STR_AI_SETTINGS_RESET                                           :{BLACK}リセット
 STR_AI_SETTINGS_SETTING                                         :{STRING}: {ORANGE}{STRING}
 
@@ -4638,6 +4650,7 @@ STR_ERROR_SCREENSHOT_FAILED                                     :{WHITE}スク
 
 # Error message titles
 STR_ERROR_MESSAGE_CAPTION                                       :{YELLOW}メッセージ
+STR_ERROR_MESSAGE_CAPTION_OTHER_COMPANY                         :{YELLOW}{COMPANY}からのメッセージ
 
 # Generic construction errors
 STR_ERROR_OFF_EDGE_OF_MAP                                       :{WHITE}マップからはみ出します
@@ -4656,12 +4669,13 @@ STR_ERROR_TERRAFORM_LIMIT_REACHED                               :{WHITE}一度
 STR_ERROR_CLEARING_LIMIT_REACHED                                :{WHITE}一度にできる撤去量を越えています
 STR_ERROR_TREE_PLANT_LIMIT_REACHED                              :{WHITE}木の本数が多すぎます
 STR_ERROR_NAME_MUST_BE_UNIQUE                                   :{WHITE}名前は重複してはいけません
+STR_ERROR_GENERIC_OBJECT_IN_THE_WAY                             :{WHITE}{STRING}があります
 STR_ERROR_NOT_ALLOWED_WHILE_PAUSED                              :{WHITE}ポーズ中にはできない行動です
 
 # Local authority errors
-STR_ERROR_LOCAL_AUTHORITY_REFUSES_TO_ALLOW_THIS                 :{WHITE}{TOWN}議会が反対しています
+STR_ERROR_LOCAL_AUTHORITY_REFUSES_TO_ALLOW_THIS                 :{WHITE}{TOWN}の地方自治体が反対しています
-STR_ERROR_LOCAL_AUTHORITY_REFUSES_AIRPORT                       :{WHITE}{TOWN}議会はこれ以上の空港建設を認可しない方針です
+STR_ERROR_LOCAL_AUTHORITY_REFUSES_AIRPORT                       :{WHITE}{TOWN}の地方自治体はこれ以上の空港建設を許可しません
-STR_ERROR_LOCAL_AUTHORITY_REFUSES_NOISE                         :{WHITE}{TOWN}の地元民が騒音公害を理由に空港建設に反対しています
+STR_ERROR_LOCAL_AUTHORITY_REFUSES_NOISE                         :{WHITE}{TOWN}の地方自治体は騒音公害の懸念から空港建設を許可しません
 STR_ERROR_BRIBE_FAILED                                          :{WHITE}あなたの行った贈収賄が地元当局に露見しました!
 
 # Levelling errors
@@ -5535,3 +5549,8 @@ STR_SHIP                                                        :{BLACK}{SHIP}
 
 STR_TOOLBAR_RAILTYPE_VELOCITY                                   :{STRING} ({VELOCITY})
 
+STR_BADGE_CONFIG_MENU_TOOLTIP                                   :バッジ設定を開く
+STR_BADGE_CONFIG_RESET                                          :リセット
+STR_BADGE_CONFIG_ICONS                                          :{WHITE}バッジのアイコン
+STR_BADGE_CONFIG_FILTERS                                        :{WHITE}バッジのフィルター
+STR_BADGE_CONFIG_NAME                                           :名前

src/main_gui.cpp

@@ -64,7 +64,7 @@ bool HandlePlacePushButton(Window *w, WidgetID widget, CursorID cursor, HighLigh
 {
 	if (w->IsWidgetDisabled(widget)) return false;
 
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 	w->SetDirty();
 
 	if (w->IsWidgetLowered(widget)) {

src/music_gui.cpp

@@ -595,7 +595,7 @@ struct MusicTrackSelectionWindow : public Window {
 
 			case WID_MTS_MUSICSET: {
 				int selected = 0;
-				ShowDropDownList(this, BuildSetDropDownList<BaseMusic>(&selected), selected, widget);
+				this->HandleDropdownListButtonClick(BuildSetDropDownList<BaseMusic>(&selected), selected, widget);
 				break;
 			}
 

src/network/network_gui.cpp

@@ -1019,7 +1019,7 @@ struct NetworkStartServerWindow : public Window {
 				break;
 
 			case WID_NSS_CONNTYPE_BTN: // Connection type
-				ShowDropDownList(this, BuildVisibilityDropDownList(), _settings_client.network.server_game_type, WID_NSS_CONNTYPE_BTN);
+				this->HandleDropdownListButtonClick(BuildVisibilityDropDownList(), _settings_client.network.server_game_type, WID_NSS_CONNTYPE_BTN);
 				break;
 
 			case WID_NSS_CLIENTS_BTND:    case WID_NSS_CLIENTS_BTNU:    // Click on up/down button for number of clients
@@ -1714,7 +1714,7 @@ public:
 			case WID_CL_SERVER_VISIBILITY:
 				if (!_network_server) break;
 
-				ShowDropDownList(this, BuildVisibilityDropDownList(), _settings_client.network.server_game_type, WID_CL_SERVER_VISIBILITY);
+				this->HandleDropdownListButtonClick(BuildVisibilityDropDownList(), _settings_client.network.server_game_type, WID_CL_SERVER_VISIBILITY);
 				break;
 
 			case WID_CL_MATRIX: {

src/newgrf_badge_gui.h

@@ -15,6 +15,7 @@
 #include "newgrf_badge.h"
 #include "newgrf_badge_type.h"
 #include "timer/timer_game_calendar.h"
+#include "widget_type.h"
 
 class GUIBadgeClasses : public UsedBadgeClasses {
 public:

src/newgrf_gui.cpp

@@ -941,7 +941,7 @@ struct NewGRFWindow : public Window, NewGRFScanCallback {
 				}
 
 				this->CloseChildWindows(WC_QUERY_STRING); // Remove the parameter query window
-				ShowDropDownList(this, std::move(list), this->preset, WID_NS_PRESET_LIST);
+				this->HandleDropdownListButtonClick(std::move(list), this->preset, WID_NS_PRESET_LIST);
 				break;
 			}
 

src/object_gui.cpp

@@ -319,7 +319,7 @@ public:
 				if (_object_gui.sel_type != std::numeric_limits<uint16_t>::max()) {
 					_object_gui.sel_view = this->GetWidget<NWidgetBase>(widget)->GetParentWidget<NWidgetMatrix>()->GetCurrentElement();
 					this->InvalidateData(PickerInvalidation::Position);
-					if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+					SndClickBeep();
 				}
 				break;
 

src/order_gui.cpp

@@ -1254,7 +1254,7 @@ public:
 				} else {
 					const Order *o = this->vehicle->GetOrder(this->OrderGetSel());
 					assert(o != nullptr);
-					ShowDropDownMenu(this, _order_non_stop_drowdown, o->GetNonStopType(), WID_O_NON_STOP, 0,
+					this->HandleDropdownMenuButtonClick(_order_non_stop_drowdown, o->GetNonStopType(), WID_O_NON_STOP, 0,
 													o->IsType(OT_GOTO_STATION) ? 0 : (o->IsType(OT_GOTO_WAYPOINT) ? 3 : 12));
 				}
 				break;
@@ -1275,7 +1275,7 @@ public:
 						case OPOS_SHARE:       sel =  3; break;
 						default: NOT_REACHED();
 					}
-					ShowDropDownMenu(this, this->vehicle->type == VEH_AIRCRAFT ? _order_goto_dropdown_aircraft : _order_goto_dropdown, sel, WID_O_GOTO, 0, 0);
+					this->HandleDropdownMenuButtonClick(this->vehicle->type == VEH_AIRCRAFT ? _order_goto_dropdown_aircraft : _order_goto_dropdown, sel, WID_O_GOTO, 0, 0);
 				}
 				break;
 
@@ -1283,7 +1283,7 @@ public:
 				if (this->GetWidget<NWidgetLeaf>(widget)->ButtonHit(pt)) {
 					this->OrderClick_FullLoad(OLF_FULL_LOAD_ANY, true);
 				} else {
-					ShowDropDownMenu(this, _order_full_load_drowdown, this->vehicle->GetOrder(this->OrderGetSel())->GetLoadType(), WID_O_FULL_LOAD, 0, 2);
+					this->HandleDropdownMenuButtonClick(_order_full_load_drowdown, this->vehicle->GetOrder(this->OrderGetSel())->GetLoadType(), WID_O_FULL_LOAD, 0, 2);
 				}
 				break;
 
@@ -1291,7 +1291,7 @@ public:
 				if (this->GetWidget<NWidgetLeaf>(widget)->ButtonHit(pt)) {
 					this->OrderClick_Unload(OUFB_UNLOAD, true);
 				} else {
-					ShowDropDownMenu(this, _order_unload_drowdown, this->vehicle->GetOrder(this->OrderGetSel())->GetUnloadType(), WID_O_UNLOAD, 0, 8);
+					this->HandleDropdownMenuButtonClick(_order_unload_drowdown, this->vehicle->GetOrder(this->OrderGetSel())->GetUnloadType(), WID_O_UNLOAD, 0, 8);
 				}
 				break;
 
@@ -1300,14 +1300,14 @@ public:
 				break;
 
 			case WID_O_DEPOT_ACTION:
-				ShowDropDownMenu(this, _order_depot_action_dropdown, DepotActionStringIndex(this->vehicle->GetOrder(this->OrderGetSel())), WID_O_DEPOT_ACTION, 0, 0);
+				this->HandleDropdownMenuButtonClick(_order_depot_action_dropdown, DepotActionStringIndex(this->vehicle->GetOrder(this->OrderGetSel())), WID_O_DEPOT_ACTION, 0, 0);
 				break;
 
 			case WID_O_REFIT_DROPDOWN:
 				if (this->GetWidget<NWidgetLeaf>(widget)->ButtonHit(pt)) {
 					this->OrderClick_Refit(0, true);
 				} else {
-					ShowDropDownMenu(this, _order_refit_action_dropdown, 0, WID_O_REFIT_DROPDOWN, 0, 0);
+					this->HandleDropdownMenuButtonClick(_order_refit_action_dropdown, 0, WID_O_REFIT_DROPDOWN, 0, 0);
 				}
 				break;
 
@@ -1320,14 +1320,14 @@ public:
 				for (const auto &ocv : _order_conditional_variable) {
 					list.push_back(MakeDropDownListStringItem(STR_ORDER_CONDITIONAL_LOAD_PERCENTAGE + ocv, ocv));
 				}
-				ShowDropDownList(this, std::move(list), this->vehicle->GetOrder(this->OrderGetSel())->GetConditionVariable(), WID_O_COND_VARIABLE);
+				this->HandleDropdownListButtonClick(std::move(list), this->vehicle->GetOrder(this->OrderGetSel())->GetConditionVariable(), WID_O_COND_VARIABLE);
 				break;
 			}
 
 			case WID_O_COND_COMPARATOR: {
 				const Order *o = this->vehicle->GetOrder(this->OrderGetSel());
 				assert(o != nullptr);
-				ShowDropDownMenu(this, _order_conditional_condition, o->GetConditionComparator(), WID_O_COND_COMPARATOR, 0, (o->GetConditionVariable() == OCV_REQUIRES_SERVICE) ? 0x3F : 0xC0);
+				this->HandleDropdownMenuButtonClick(_order_conditional_condition, o->GetConditionComparator(), WID_O_COND_COMPARATOR, 0, (o->GetConditionVariable() == OCV_REQUIRES_SERVICE) ? 0x3F : 0xC0);
 				break;
 			}
 

src/picker_gui.cpp

@@ -384,7 +384,7 @@ void PickerWindow::OnClick(Point pt, WidgetID widget, int)
 				this->callbacks.SetSelectedClass(*it);
 				this->InvalidateData({PickerInvalidation::Type, PickerInvalidation::Position, PickerInvalidation::Validate});
 			}
-			if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+			SndClickBeep();
 			CloseWindowById(WC_SELECT_STATION, 0);
 			break;
 		}
@@ -398,6 +398,7 @@ void PickerWindow::OnClick(Point pt, WidgetID widget, int)
 				SetBit(this->callbacks.mode, PFM_ALL);
 			}
 			this->InvalidateData({PickerInvalidation::Class, PickerInvalidation::Type, PickerInvalidation::Position});
+			SndClickBeep();
 			break;
 
 		case WID_PW_SHRINK:
@@ -434,19 +435,19 @@ void PickerWindow::OnClick(Point pt, WidgetID widget, int)
 				this->callbacks.SetSelectedType(item.index);
 				this->InvalidateData(PickerInvalidation::Position);
 			}
-			if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+			SndClickBeep();
 			CloseWindowById(WC_SELECT_STATION, 0);
 			break;
 		}
 
 		case WID_PW_CONFIGURE_BADGES:
 			if (this->badge_classes.GetClasses().empty()) break;
-			ShowDropDownList(this, BuildBadgeClassConfigurationList(this->badge_classes, 1, {}), -1, widget, 0, false, true);
+			this->HandleDropdownListButtonClick(BuildBadgeClassConfigurationList(this->badge_classes, 1, {}), -1, widget, 0, false, true);
 			break;
 
 		default:
 			if (IsInsideMM(widget, this->badge_filters.first, this->badge_filters.second)) {
-				ShowDropDownList(this, this->GetWidget<NWidgetBadgeFilter>(widget)->GetDropDownList(), -1, widget, 0, false);
+				this->HandleDropdownListButtonClick(this->GetWidget<NWidgetBadgeFilter>(widget)->GetDropDownList(), -1, widget, 0, false);
 			}
 			break;
 	}

src/rail_gui.cpp

@@ -357,7 +357,7 @@ static void BuildRailClick_Remove(Window *w)
 {
 	if (w->IsWidgetDisabled(WID_RAT_REMOVE)) return;
 	ToggleRailButton_Remove(w);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 
 	/* handle station builder */
 	if (w->IsWidgetLowered(WID_RAT_BUILD_STATION)) {
@@ -1239,7 +1239,7 @@ public:
 				this->RaiseWidget(WID_BRAS_PLATFORM_DIR_X + _station_gui.axis);
 				_station_gui.axis = (Axis)(widget - WID_BRAS_PLATFORM_DIR_X);
 				this->LowerWidget(WID_BRAS_PLATFORM_DIR_X + _station_gui.axis);
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				this->SetDirty();
 				CloseWindowById(WC_SELECT_STATION, 0);
 				break;
@@ -1271,7 +1271,7 @@ public:
 
 				this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
 				this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				this->SetDirty();
 				CloseWindowById(WC_SELECT_STATION, 0);
 				break;
@@ -1304,7 +1304,7 @@ public:
 
 				this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
 				this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				this->SetDirty();
 				CloseWindowById(WC_SELECT_STATION, 0);
 				break;
@@ -1338,7 +1338,7 @@ public:
 
 				this->SetWidgetLoweredState(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN, !_settings_client.gui.station_dragdrop);
 				this->SetWidgetLoweredState(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN, !_settings_client.gui.station_dragdrop);
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				this->SetDirty();
 				CloseWindowById(WC_SELECT_STATION, 0);
 				break;
@@ -1350,7 +1350,7 @@ public:
 
 				this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
 				this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				this->SetDirty();
 				SetViewportCatchmentStation(nullptr, true);
 				break;
@@ -1580,10 +1580,12 @@ public:
 					if (w != nullptr) ToggleRailButton_Remove(w);
 				}
 
+				SndClickBeep();
 				break;
 
 			case WID_BS_CONVERT:
 				_convert_signal_button = !_convert_signal_button;
+				SndClickBeep();
 				break;
 
 			case WID_BS_DRAG_SIGNALS_DENSITY_DECREASE:
@@ -1743,7 +1745,7 @@ struct BuildRailDepotWindow : public PickerWindowBase {
 				this->RaiseWidget(WID_BRAD_DEPOT_NE + _build_depot_direction);
 				_build_depot_direction = (DiagDirection)(widget - WID_BRAD_DEPOT_NE);
 				this->LowerWidget(WID_BRAD_DEPOT_NE + _build_depot_direction);
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				this->SetDirty();
 				break;
 		}

src/road_gui.cpp

@@ -582,7 +582,7 @@ struct BuildRoadToolbarWindow : Window {
 
 				CloseWindowById(WC_SELECT_STATION, 0);
 				ToggleRoadButton_Remove(this);
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				break;
 
 			case WID_ROT_CONVERT_ROAD:
@@ -1145,7 +1145,7 @@ struct BuildRoadDepotWindow : public PickerWindowBase {
 				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);
+				SndClickBeep();
 				this->SetDirty();
 				break;
 
@@ -1477,7 +1477,7 @@ public:
 				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);
+				SndClickBeep();
 				this->SetDirty();
 				CloseWindowById(WC_SELECT_STATION, 0);
 				break;
@@ -1487,7 +1487,7 @@ public:
 				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);
+				SndClickBeep();
 				this->SetDirty();
 				SetViewportCatchmentStation(nullptr, true);
 				break;

src/settingentry_gui.cpp

@@ -20,6 +20,7 @@
 #include "table/strings.h"
 
 #include "safeguards.h"
+#include "window_gui.h"
 
 
 /* == BaseSettingEntry methods == */

src/settings_gui.cpp

@@ -1148,7 +1148,7 @@ struct GameOptionsWindow : Window {
 				int selected;
 				DropDownList list = this->BuildDropDownList(widget, &selected);
 				if (!list.empty()) {
-					ShowDropDownList(this, std::move(list), selected, widget);
+					this->HandleDropdownListButtonClick(std::move(list), selected, widget);
 				} else {
 					if (widget == WID_GO_RESOLUTION_DROPDOWN) ShowErrorMessage(GetEncodedString(STR_ERROR_RESOLUTION_LIST_FAILED), {}, WL_ERROR);
 				}
@@ -1180,7 +1180,7 @@ struct GameOptionsWindow : Window {
 				int selected;
 				DropDownList list = this->BuildDropDownList(widget, &selected);
 				if (!list.empty()) {
-					ShowDropDownList(this, std::move(list), this->filter.mode, widget);
+					this->HandleDropdownListButtonClick(std::move(list), this->filter.mode, widget);
 				}
 				break;
 			}
@@ -1189,7 +1189,7 @@ struct GameOptionsWindow : Window {
 				int selected;
 				DropDownList list = this->BuildDropDownList(widget, &selected);
 				if (!list.empty()) {
-					ShowDropDownList(this, std::move(list), this->filter.type, widget);
+					this->HandleDropdownListButtonClick(std::move(list), this->filter.type, widget);
 				}
 				break;
 			}

src/smallmap_gui.cpp

@@ -1717,7 +1717,7 @@ public:
 				const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
 				Point zoom_pt = { (int)wid->current_x / 2, (int)wid->current_y / 2};
 				this->SetZoomLevel((widget == WID_SM_ZOOM_IN) ? ZLC_ZOOM_IN : ZLC_ZOOM_OUT, &zoom_pt);
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				break;
 			}
 
@@ -1729,13 +1729,12 @@ public:
 			case WID_SM_VEGETATION: // Show vegetation
 			case WID_SM_OWNERS:     // Show land owners
 				this->SwitchMapType((SmallMapType)(widget - WID_SM_CONTOUR));
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				break;
 
 			case WID_SM_CENTERMAP: // Center the smallmap again
 				this->SmallMapCenterOnCurrentPos();
 				this->HandleButtonClick(WID_SM_CENTERMAP);
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
 				break;
 
 			case WID_SM_TOGGLETOWNNAME: // Toggle town names
@@ -1743,7 +1742,7 @@ public:
 				this->SetWidgetLoweredState(WID_SM_TOGGLETOWNNAME, this->show_towns);
 
 				this->SetDirty();
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				break;
 
 			case WID_SM_SHOW_IND_NAMES: // Toggle industry names
@@ -1751,7 +1750,7 @@ public:
 				this->SetWidgetLoweredState(WID_SM_SHOW_IND_NAMES, this->show_ind_names);
 
 				this->SetDirty();
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				break;
 
 			case WID_SM_LEGEND: // Legend

src/sound.cpp

@@ -247,6 +247,22 @@ void SndPlayFx(SoundID sound)
 	StartSound(sound, 0.5, UINT8_MAX);
 }
 
+/**
+ * Play a beep sound for a click event if enabled in settings.
+ */
+void SndClickBeep()
+{
+	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+}
+
+/**
+ * Play a beep sound for a confirm event if enabled in settings.
+ */
+void SndConfirmBeep()
+{
+	if (_settings_client.sound.confirm) SndPlayFx(SND_15_BEEP);
+}
+
 /** Names corresponding to the sound set's files */
 static const std::string_view _sound_file_names[] = { "samples" };
 

src/sound_func.h

@@ -21,4 +21,7 @@ void SndPlayVehicleFx(SoundID sound, const Vehicle *v);
 void SndPlayFx(SoundID sound);
 void SndCopyToPool();
 
+void SndClickBeep();
+void SndConfirmBeep();
+
 #endif /* SOUND_FUNC_H */

src/station_gui.cpp

@@ -658,12 +658,12 @@ public:
 				break;
 
 			case WID_STL_SORTDROPBTN: // select sorting criteria dropdown menu
-				ShowDropDownMenu(this, CompanyStationsWindow::sorter_names, this->stations.SortType(), WID_STL_SORTDROPBTN, 0, 0);
+				this->HandleDropdownMenuButtonClick(CompanyStationsWindow::sorter_names, this->stations.SortType(), WID_STL_SORTDROPBTN, 0, 0);
 				break;
 
 			case WID_STL_CARGODROPDOWN:
 				this->filter_expanded = false;
-				ShowDropDownList(this, this->BuildCargoDropDownList(this->filter_expanded), -1, widget, 0, false, true);
+				this->HandleDropdownListButtonClick(this->BuildCargoDropDownList(this->filter_expanded), -1, widget, 0, false, true);
 				break;
 		}
 	}
@@ -2005,14 +2005,14 @@ struct StationViewWindow : public Window {
 				 * sorting criteria for columns 1, 2, and 3. Column 0 is always
 				 * sorted by cargo type. The others can theoretically be sorted
 				 * by different things but there is no UI for that. */
-				ShowDropDownMenu(this, StationViewWindow::sort_names,
+				this->HandleDropdownMenuButtonClick(StationViewWindow::sort_names,
 						this->current_mode * 2 + (this->sortings[1] == CargoSortType::Count ? 1 : 0),
 						WID_SV_SORT_BY, 0, 0);
 				break;
 			}
 
 			case WID_SV_GROUP_BY: {
-				ShowDropDownMenu(this, StationViewWindow::group_names, this->grouping_index, WID_SV_GROUP_BY, 0, 0);
+				this->HandleDropdownMenuButtonClick(StationViewWindow::group_names, this->grouping_index, WID_SV_GROUP_BY, 0, 0);
 				break;
 			}
 

src/story_gui.cpp

@@ -805,7 +805,7 @@ public:
 						selected++;
 					}
 
-					ShowDropDownList(this, std::move(list), selected, widget);
+					this->HandleDropdownListButtonClick(std::move(list), selected, widget);
 				}
 				break;
 			}

src/terraform_gui.cpp

@@ -621,7 +621,6 @@ struct ScenarioEditorLandscapeGenerationWindow : Window {
 				if (!IsInsideMM(size, 1, 8 + 1)) return;
 				_terraform_size = size;
 
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
 				this->SetDirty();
 				break;
 			}

src/textfile_gui.cpp

@@ -514,7 +514,7 @@ void TextfileWindow::AfterLoadMarkdown()
 			for (size_t line : this->jumplist) {
 				list.push_back(MakeDropDownListStringItem(GetString(STR_TEXTFILE_JUMPLIST_ITEM, this->lines[line].text), (int)line));
 			}
-			ShowDropDownList(this, std::move(list), -1, widget);
+			this->HandleDropdownListButtonClick(std::move(list), -1, widget);
 			break;
 		}
 

src/toolbar_gui.cpp

@@ -117,7 +117,7 @@ public:
 static void PopupMainToolbarMenu(Window *w, WidgetID widget, DropDownList &&list, int def)
 {
 	ShowDropDownList(w, std::move(list), def, widget, 0, true);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 }
 
 /**
@@ -204,7 +204,7 @@ static CallBackFunction ToolbarPauseClick(Window *)
 	if (_networking && !_network_server) return CBF_NONE; // only server can pause the game
 
 	if (Command<CMD_PAUSE>::Post(PauseMode::Normal, _pause_mode.None())) {
-		if (_settings_client.sound.confirm) SndPlayFx(SND_15_BEEP);
+		SndConfirmBeep();
 	}
 	return CBF_NONE;
 }
@@ -220,7 +220,7 @@ static CallBackFunction ToolbarFastForwardClick(Window *)
 
 	ChangeGameSpeed(_game_speed == 100);
 
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 	return CBF_NONE;
 }
 
@@ -291,7 +291,7 @@ static CallBackFunction ToolbarOptionsClick(Window *w)
 	list.push_back(MakeDropDownListCheckedItem(IsTransparencySet(TO_SIGNS), STR_SETTINGS_MENU_TRANSPARENT_SIGNS, OME_SHOW_STATIONSIGNS));
 
 	ShowDropDownList(w, std::move(list), 0, WID_TN_SETTINGS, 140, true);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 	return CBF_NONE;
 }
 
@@ -684,7 +684,7 @@ static CallBackFunction ToolbarGraphsClick(Window *w)
 	if (_toolbar_mode != TB_NORMAL) AddDropDownLeagueTableOptions(list);
 
 	ShowDropDownList(w, std::move(list), GRMN_OPERATING_PROFIT_GRAPH, WID_TN_GRAPHS, 140, true);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 
 	return CBF_NONE;
 }
@@ -697,7 +697,7 @@ static CallBackFunction ToolbarLeagueClick(Window *w)
 
 	int selected = list[0]->result;
 	ShowDropDownList(w, std::move(list), selected, WID_TN_LEAGUE, 140, true);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 
 	return CBF_NONE;
 }
@@ -857,7 +857,6 @@ static CallBackFunction ToolbarZoomInClick(Window *w)
 {
 	if (DoZoomInOutWindow(ZOOM_IN, GetMainWindow())) {
 		w->HandleButtonClick((_game_mode == GM_EDITOR) ? (WidgetID)WID_TE_ZOOM_IN : (WidgetID)WID_TN_ZOOM_IN);
-		if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
 	}
 	return CBF_NONE;
 }
@@ -868,7 +867,6 @@ static CallBackFunction ToolbarZoomOutClick(Window *w)
 {
 	if (DoZoomInOutWindow(ZOOM_OUT, GetMainWindow())) {
 		w->HandleButtonClick((_game_mode == GM_EDITOR) ? (WidgetID)WID_TE_ZOOM_OUT : (WidgetID)WID_TN_ZOOM_OUT);
-		if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
 	}
 	return CBF_NONE;
 }
@@ -878,7 +876,7 @@ static CallBackFunction ToolbarZoomOutClick(Window *w)
 static CallBackFunction ToolbarBuildRailClick(Window *w)
 {
 	ShowDropDownList(w, GetRailTypeDropDownList(), _last_built_railtype, WID_TN_RAILS, 140, true);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 	return CBF_NONE;
 }
 
@@ -900,7 +898,7 @@ static CallBackFunction MenuClickBuildRail(int index)
 static CallBackFunction ToolbarBuildRoadClick(Window *w)
 {
 	ShowDropDownList(w, GetRoadTypeDropDownList(RTTB_ROAD), _last_built_roadtype, WID_TN_ROADS, 140, true);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 	return CBF_NONE;
 }
 
@@ -922,7 +920,7 @@ static CallBackFunction MenuClickBuildRoad(int index)
 static CallBackFunction ToolbarBuildTramClick(Window *w)
 {
 	ShowDropDownList(w, GetRoadTypeDropDownList(RTTB_TRAM), _last_built_tramtype, WID_TN_TRAMS, 140, true);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 	return CBF_NONE;
 }
 
@@ -946,7 +944,7 @@ 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, true);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 	return CBF_NONE;
 }
 
@@ -968,7 +966,7 @@ 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, true);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 	return CBF_NONE;
 }
 
@@ -992,7 +990,7 @@ static CallBackFunction ToolbarForestClick(Window *w)
 	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));
 	ShowDropDownList(w, std::move(list), 0, WID_TN_LANDSCAPE, 100, true);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 	return CBF_NONE;
 }
 
@@ -1188,7 +1186,7 @@ static CallBackFunction ToolbarSwitchClick(Window *w)
 
 	w->ReInit();
 	w->SetWidgetLoweredState(_game_mode == GM_EDITOR ? (WidgetID)WID_TE_SWITCH_BAR : (WidgetID)WID_TN_SWITCH_BAR, _toolbar_mode == TB_LOWER);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 	return CBF_NONE;
 }
 
@@ -1232,7 +1230,6 @@ static CallBackFunction ToolbarScenDateForward(Window *w)
 static CallBackFunction ToolbarScenGenLand(Window *w)
 {
 	w->HandleButtonClick(WID_TE_LAND_GENERATE);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
 
 	ShowEditorTerraformToolbar();
 	return CBF_NONE;
@@ -1256,7 +1253,6 @@ static CallBackFunction ToolbarScenGenTown(int index)
 static CallBackFunction ToolbarScenGenIndustry(Window *w)
 {
 	w->HandleButtonClick(WID_TE_INDUSTRY);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
 	ShowBuildIndustryWindow();
 	return CBF_NONE;
 }
@@ -1264,7 +1260,7 @@ static CallBackFunction ToolbarScenGenIndustry(Window *w)
 static CallBackFunction ToolbarScenBuildRoadClick(Window *w)
 {
 	ShowDropDownList(w, GetScenRoadTypeDropDownList(RTTB_ROAD), _last_built_roadtype, WID_TE_ROADS, 140, true);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 	return CBF_NONE;
 }
 
@@ -1284,7 +1280,7 @@ static CallBackFunction ToolbarScenBuildRoad(int index)
 static CallBackFunction ToolbarScenBuildTramClick(Window *w)
 {
 	ShowDropDownList(w, GetScenRoadTypeDropDownList(RTTB_TRAM), _last_built_tramtype, WID_TE_TRAMS, 140, true);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+	SndClickBeep();
 	return CBF_NONE;
 }
 
@@ -1304,7 +1300,6 @@ static CallBackFunction ToolbarScenBuildTram(int index)
 static CallBackFunction ToolbarScenBuildDocks(Window *w)
 {
 	w->HandleButtonClick(WID_TE_WATER);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
 	ShowBuildDocksScenToolbar();
 	return CBF_NONE;
 }
@@ -1312,7 +1307,6 @@ static CallBackFunction ToolbarScenBuildDocks(Window *w)
 static CallBackFunction ToolbarScenPlantTrees(Window *w)
 {
 	w->HandleButtonClick(WID_TE_TREES);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
 	ShowBuildTreesToolbar();
 	return CBF_NONE;
 }
@@ -1320,7 +1314,6 @@ static CallBackFunction ToolbarScenPlantTrees(Window *w)
 static CallBackFunction ToolbarScenPlaceSign(Window *w)
 {
 	w->HandleButtonClick(WID_TE_SIGNS);
-	if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
 	return SelectSignTool();
 }
 
@@ -2407,7 +2400,7 @@ struct ScenarioEditorToolbarWindow : Window {
 	{
 		CallBackFunction cbf = _scen_toolbar_dropdown_procs[widget](index);
 		if (cbf != CBF_NONE) _last_started_action = cbf;
-		if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+		SndClickBeep();
 	}
 
 	EventState OnHotkey(int hotkey) override

src/town_gui.cpp

@@ -288,6 +288,7 @@ public:
 
 				this->town->show_zone = new_show_state;
 				this->SetWidgetLoweredState(widget, new_show_state);
+				SndClickBeep();
 				MarkWholeScreenDirty();
 				break;
 			}
@@ -937,7 +938,7 @@ public:
 				break;
 
 			case WID_TD_SORT_CRITERIA: // Click on sort criteria dropdown
-				ShowDropDownMenu(this, TownDirectoryWindow::sorter_names, this->towns.SortType(), WID_TD_SORT_CRITERIA, 0, 0);
+				this->HandleDropdownMenuButtonClick(TownDirectoryWindow::sorter_names, this->towns.SortType(), WID_TD_SORT_CRITERIA, 0, 0);
 				break;
 
 			case WID_TD_LIST: { // Click on Town Matrix
@@ -1739,7 +1740,7 @@ struct BuildHouseWindow : public PickerWindow {
 				this->SetWidgetLoweredState(WID_BH_PROTECT_OFF, !BuildHouseWindow::house_protected);
 				this->SetWidgetLoweredState(WID_BH_PROTECT_ON, BuildHouseWindow::house_protected);
 
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				this->SetDirty();
 				break;
 

src/transparency_gui.cpp

@@ -80,7 +80,7 @@ public:
 			} else {
 				/* toggle the bit of the transparencies variable and play a sound */
 				ToggleTransparency((TransparencyOption)(widget - WID_TT_BEGIN));
-				if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+				SndClickBeep();
 				MarkWholeScreenDirty();
 			}
 		} else if (widget == WID_TT_BUTTONS) {
@@ -94,7 +94,7 @@ public:
 			if (i == WID_TT_TEXT|| i == WID_TT_END) return;
 
 			ToggleInvisibility((TransparencyOption)(i - WID_TT_BEGIN));
-			if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
+			SndClickBeep();
 
 			/* Redraw whole screen only if transparency is set */
 			if (IsTransparencySet((TransparencyOption)(i - WID_TT_BEGIN))) {

src/tree_gui.cpp

@@ -102,7 +102,7 @@ class BuildTreesWindow : public Window
 
 		if (this->tree_to_plant >= 0) {
 			/* Activate placement */
-			if (_settings_client.sound.confirm) SndPlayFx(SND_15_BEEP);
+			SndConfirmBeep();
 			SetObjectToPlace(SPR_CURSOR_TREE, PAL_NONE, HT_RECT | HT_DIAGONAL, this->window_class, this->window_number);
 			this->tree_to_plant = current_tree; // SetObjectToPlace may call ResetObjectToPlace which may reset tree_to_plant to -1
 		} else {
@@ -180,7 +180,7 @@ public:
 				break;
 
 			case WID_BT_MANY_RANDOM: // place trees randomly over the landscape
-				if (_settings_client.sound.confirm) SndPlayFx(SND_15_BEEP);
+				SndConfirmBeep();
 				PlaceTreesRandomly();
 				MarkWholeScreenDirty();
 				break;

src/vehicle_gui.cpp

@@ -2101,16 +2101,16 @@ public:
 				break;
 
 			case WID_VL_GROUP_BY_PULLDOWN: // Select sorting criteria dropdown menu
-				ShowDropDownMenu(this, this->vehicle_group_by_names, this->grouping, WID_VL_GROUP_BY_PULLDOWN, 0, 0);
+				this->HandleDropdownMenuButtonClick(this->vehicle_group_by_names, this->grouping, WID_VL_GROUP_BY_PULLDOWN, 0, 0);
 				return;
 
 			case WID_VL_SORT_BY_PULLDOWN: // Select sorting criteria dropdown menu
-				ShowDropDownMenu(this, this->GetVehicleSorterNames(), this->vehgroups.SortType(), WID_VL_SORT_BY_PULLDOWN, 0,
+				this->HandleDropdownMenuButtonClick(this->GetVehicleSorterNames(), this->vehgroups.SortType(), WID_VL_SORT_BY_PULLDOWN, 0,
 						(this->vli.vtype == VEH_TRAIN || this->vli.vtype == VEH_ROAD) ? 0 : (1 << 10));
 				return;
 
 			case WID_VL_FILTER_BY_CARGO: // Cargo filter dropdown
-				ShowDropDownList(this, this->BuildCargoDropDownList(false), this->cargo_filter_criteria, widget);
+				this->HandleDropdownListButtonClick(this->BuildCargoDropDownList(false), this->cargo_filter_criteria, widget);
 				break;
 
 			case WID_VL_LIST: { // Matrix to show vehicles
@@ -2159,7 +2159,7 @@ public:
 				break;
 
 			case WID_VL_MANAGE_VEHICLES_DROPDOWN: {
-				ShowDropDownList(this, this->BuildActionDropdownList(this->vli.type == VL_STANDARD, false, true), 0, WID_VL_MANAGE_VEHICLES_DROPDOWN);
+				this->HandleDropdownListButtonClick(this->BuildActionDropdownList(this->vli.type == VL_STANDARD, false, true), 0, WID_VL_MANAGE_VEHICLES_DROPDOWN);
 				break;
 			}
 
@@ -2727,7 +2727,7 @@ struct VehicleDetailsWindow : Window {
 
 			case WID_VD_SERVICE_INTERVAL_DROPDOWN: {
 				const Vehicle *v = Vehicle::Get(this->window_number);
-				ShowDropDownMenu(this,
+				this->HandleDropdownMenuButtonClick(
 					TimerGameEconomy::UsingWallclockUnits() ? _service_interval_dropdown_wallclock : _service_interval_dropdown_calendar,
 					v->ServiceIntervalIsCustom() ? (v->ServiceIntervalIsPercent() ? 2 : 1) : 0, widget, 0, 0);
 				break;

src/window.cpp

@@ -30,12 +30,14 @@
 #include "hotkeys.h"
 #include "toolbar_gui.h"
 #include "statusbar_gui.h"
+#include "dropdown_func.h"
 #include "error.h"
 #include "game/game.hpp"
 #include "video/video_driver.hpp"
 #include "framerate_type.h"
 #include "network/network_func.h"
 #include "news_func.h"
+#include "sound_func.h"
 #include "timer/timer.h"
 #include "timer/timer_window.h"
 
@@ -586,6 +588,38 @@ EventState Window::OnHotkey(int hotkey)
 	return ES_HANDLED;
 }
 
+/**
+ * Handle the player clicking on a dropdown list.
+ * @param list     Prepopulated DropDownList.
+ * @param selected The initially selected list item.
+ * @param button   The widget within the parent window that is used to determine
+ *                 the list's location.
+ * @param width    Override the minimum width determined by the selected widget and list contents.
+ * @param instant_close Set to true if releasing mouse button should close the
+ *                      list regardless of where the cursor is.
+ * @param persist  Set if this dropdown should stay open after an option is selected.
+ */
+void Window::HandleDropdownListButtonClick(DropDownList &&list, int selected, WidgetID button, uint width, bool instant_close, bool persist)
+{
+	SndClickBeep();
+	ShowDropDownList(this, std::forward<DropDownList>(list), selected, button, width, instant_close, persist);
+}
+
+/**
+ * Handle the player clicking on a dropdown menu.
+ * @param strings       Menu list.
+ * @param selected      Index of initial selected item.
+ * @param button        Button widget number of the parent window \a w that wants the dropdown menu.
+ * @param disabled_mask Bitmask for disabled items (items with their bit set are displayed, but not selectable in the dropdown list).
+ * @param hidden_mask   Bitmask for hidden items (items with their bit set are not copied to the dropdown list).
+ * @param width         Minimum width of the dropdown menu.
+ */
+void Window::HandleDropdownMenuButtonClick(std::span<const StringID> strings, int selected, WidgetID button, uint32_t disabled_mask, uint32_t hidden_mask, uint width)
+{
+	SndClickBeep();
+	ShowDropDownMenu(this, strings, selected, button, disabled_mask, hidden_mask, width);
+}
+
 /**
  * Do all things to make a button look clicked and mark it to be
  * unclicked in a few ticks.
@@ -596,6 +630,7 @@ void Window::HandleButtonClick(WidgetID widget)
 	this->LowerWidget(widget);
 	this->SetTimeout();
 	this->SetWidgetDirty(widget);
+	SndClickBeep();
 }
 
 static void StartWindowDrag(Window *w);

src/window_gui.h

@@ -13,6 +13,7 @@
 #include "vehiclelist.h"
 #include "vehicle_type.h"
 #include "viewport_type.h"
+#include "dropdown_type.h"
 #include "company_type.h"
 #include "tile_type.h"
 #include "widget_type.h"
@@ -499,6 +500,8 @@ public:
 	EventState HandleEditBoxKey(WidgetID wid, char32_t key, uint16_t keycode);
 	virtual void InsertTextString(WidgetID wid, std::string_view str, bool marked, std::optional<size_t> caret, std::optional<size_t> insert_location, std::optional<size_t> replacement_end);
 
+	void HandleDropdownListButtonClick(DropDownList &&list, int selected, WidgetID button, uint width = 0, bool instant_close = false, bool persist = false);
+	void HandleDropdownMenuButtonClick(std::span<const StringID> strings, int selected, WidgetID button, uint32_t disabled_mask, uint32_t hidden_mask, uint width = 0);
 	void HandleButtonClick(WidgetID widget);
 	int GetRowFromWidget(int clickpos, WidgetID widget, int padding, int line_height = -1) const;