(svn r23559) -Codechange: Document and name consistently road build widgets

2 files changed, 189 insertions, 189 deletions

diff --git a/src/road_gui.cpp b/src/road_gui.cpp
index 573261a32..8ac0306d4 100644
--- a/src/road_gui.cpp
+++ b/src/road_gui.cpp
@@ -278,9 +278,9 @@ typedef void OnButtonClick(Window *w);
  */
 static void ToggleRoadButton_Remove(Window *w)
 {
-	w->ToggleWidgetLoweredState(ROTW_REMOVE);
-	w->SetWidgetDirty(ROTW_REMOVE);
-	_remove_button_clicked = w->IsWidgetLowered(ROTW_REMOVE);
+	w->ToggleWidgetLoweredState(WID_ROT_REMOVE);
+	w->SetWidgetDirty(WID_ROT_REMOVE);
+	_remove_button_clicked = w->IsWidgetLowered(WID_ROT_REMOVE);
 	SetSelectionRed(_remove_button_clicked);
 }
 
@@ -291,10 +291,10 @@ static void ToggleRoadButton_Remove(Window *w)
  */
 static bool RoadToolbar_CtrlChanged(Window *w)
 {
-	if (w->IsWidgetDisabled(ROTW_REMOVE)) return false;
+	if (w->IsWidgetDisabled(WID_ROT_REMOVE)) return false;
 
 	/* allow ctrl to switch remove mode only for these widgets */
-	for (uint i = ROTW_ROAD_X; i <= ROTW_AUTOROAD; i++) {
+	for (uint i = WID_ROT_ROAD_X; i <= WID_ROT_AUTOROAD; i++) {
 		if (w->IsWidgetLowered(i)) {
 			ToggleRoadButton_Remove(w);
 			return true;
@@ -312,8 +312,8 @@ struct BuildRoadToolbarWindow : Window {
 	{
 		this->InitNested(desc, window_number);
 		this->SetWidgetsDisabledState(true,
-				ROTW_REMOVE,
-				ROTW_ONE_WAY,
+				WID_ROT_REMOVE,
+				WID_ROT_ONE_WAY,
 				WIDGET_LIST_END);
 
 		this->OnInvalidateData();
@@ -336,9 +336,9 @@ struct BuildRoadToolbarWindow : Window {
 	{
 		if (!gui_scope) return;
 		this->SetWidgetsDisabledState(!CanBuildVehicleInfrastructure(VEH_ROAD),
-				ROTW_DEPOT,
-				ROTW_BUS_STATION,
-				ROTW_TRUCK_STATION,
+				WID_ROT_DEPOT,
+				WID_ROT_BUS_STATION,
+				WID_ROT_TRUCK_STATION,
 				WIDGET_LIST_END);
 	}
 
@@ -353,28 +353,28 @@ struct BuildRoadToolbarWindow : Window {
 		 * by the other buttons so they don't act on themselfs.
 		 * Both are only valid if they are able to apply as options. */
 		switch (clicked_widget) {
-			case ROTW_REMOVE:
-				this->RaiseWidget(ROTW_ONE_WAY);
-				this->SetWidgetDirty(ROTW_ONE_WAY);
+			case WID_ROT_REMOVE:
+				this->RaiseWidget(WID_ROT_ONE_WAY);
+				this->SetWidgetDirty(WID_ROT_ONE_WAY);
 				break;
 
-			case ROTW_ONE_WAY:
-				this->RaiseWidget(ROTW_REMOVE);
-				this->SetWidgetDirty(ROTW_REMOVE);
+			case WID_ROT_ONE_WAY:
+				this->RaiseWidget(WID_ROT_REMOVE);
+				this->SetWidgetDirty(WID_ROT_REMOVE);
 				break;
 
-			case ROTW_BUS_STATION:
-			case ROTW_TRUCK_STATION:
-				this->DisableWidget(ROTW_ONE_WAY);
-				this->SetWidgetDisabledState(ROTW_REMOVE, !this->IsWidgetLowered(clicked_widget));
+			case WID_ROT_BUS_STATION:
+			case WID_ROT_TRUCK_STATION:
+				this->DisableWidget(WID_ROT_ONE_WAY);
+				this->SetWidgetDisabledState(WID_ROT_REMOVE, !this->IsWidgetLowered(clicked_widget));
 				break;
 
-			case ROTW_ROAD_X:
-			case ROTW_ROAD_Y:
-			case ROTW_AUTOROAD:
+			case WID_ROT_ROAD_X:
+			case WID_ROT_ROAD_Y:
+			case WID_ROT_AUTOROAD:
 				this->SetWidgetsDisabledState(!this->IsWidgetLowered(clicked_widget),
-						ROTW_REMOVE,
-						ROTW_ONE_WAY,
+						WID_ROT_REMOVE,
+						WID_ROT_ONE_WAY,
 						WIDGET_LIST_END);
 				break;
 
@@ -382,12 +382,12 @@ struct BuildRoadToolbarWindow : Window {
 				/* When any other buttons than road/station, raise and
 				 * disable the removal button */
 				this->SetWidgetsDisabledState(true,
-						ROTW_REMOVE,
-						ROTW_ONE_WAY,
+						WID_ROT_REMOVE,
+						WID_ROT_ONE_WAY,
 						WIDGET_LIST_END);
 				this->SetWidgetsLoweredState(false,
-						ROTW_REMOVE,
-						ROTW_ONE_WAY,
+						WID_ROT_REMOVE,
+						WID_ROT_ONE_WAY,
 						WIDGET_LIST_END);
 				break;
 		}
@@ -398,69 +398,69 @@ struct BuildRoadToolbarWindow : Window {
 		_remove_button_clicked = false;
 		_one_way_button_clicked = false;
 		switch (widget) {
-			case ROTW_ROAD_X:
-				HandlePlacePushButton(this, ROTW_ROAD_X, _road_type_infos[_cur_roadtype].cursor_nwse, HT_RECT);
+			case WID_ROT_ROAD_X:
+				HandlePlacePushButton(this, WID_ROT_ROAD_X, _road_type_infos[_cur_roadtype].cursor_nwse, HT_RECT);
 				this->last_started_action = widget;
 				break;
 
-			case ROTW_ROAD_Y:
-				HandlePlacePushButton(this, ROTW_ROAD_Y, _road_type_infos[_cur_roadtype].cursor_nesw, HT_RECT);
+			case WID_ROT_ROAD_Y:
+				HandlePlacePushButton(this, WID_ROT_ROAD_Y, _road_type_infos[_cur_roadtype].cursor_nesw, HT_RECT);
 				this->last_started_action = widget;
 				break;
 
-			case ROTW_AUTOROAD:
-				HandlePlacePushButton(this, ROTW_AUTOROAD, _road_type_infos[_cur_roadtype].cursor_autoroad, HT_RECT);
+			case WID_ROT_AUTOROAD:
+				HandlePlacePushButton(this, WID_ROT_AUTOROAD, _road_type_infos[_cur_roadtype].cursor_autoroad, HT_RECT);
 				this->last_started_action = widget;
 				break;
 
-			case ROTW_DEMOLISH:
-				HandlePlacePushButton(this, ROTW_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
+			case WID_ROT_DEMOLISH:
+				HandlePlacePushButton(this, WID_ROT_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
 				this->last_started_action = widget;
 				break;
 
-			case ROTW_DEPOT:
+			case WID_ROT_DEPOT:
 				if (_game_mode == GM_EDITOR || !CanBuildVehicleInfrastructure(VEH_ROAD)) return;
-				if (HandlePlacePushButton(this, ROTW_DEPOT, SPR_CURSOR_ROAD_DEPOT, HT_RECT)) {
+				if (HandlePlacePushButton(this, WID_ROT_DEPOT, SPR_CURSOR_ROAD_DEPOT, HT_RECT)) {
 					ShowRoadDepotPicker(this);
 					this->last_started_action = widget;
 				}
 				break;
 
-			case ROTW_BUS_STATION:
+			case WID_ROT_BUS_STATION:
 				if (_game_mode == GM_EDITOR || !CanBuildVehicleInfrastructure(VEH_ROAD)) return;
-				if (HandlePlacePushButton(this, ROTW_BUS_STATION, SPR_CURSOR_BUS_STATION, HT_RECT)) {
+				if (HandlePlacePushButton(this, WID_ROT_BUS_STATION, SPR_CURSOR_BUS_STATION, HT_RECT)) {
 					ShowRVStationPicker(this, ROADSTOP_BUS);
 					this->last_started_action = widget;
 				}
 				break;
 
-			case ROTW_TRUCK_STATION:
+			case WID_ROT_TRUCK_STATION:
 				if (_game_mode == GM_EDITOR || !CanBuildVehicleInfrastructure(VEH_ROAD)) return;
-				if (HandlePlacePushButton(this, ROTW_TRUCK_STATION, SPR_CURSOR_TRUCK_STATION, HT_RECT)) {
+				if (HandlePlacePushButton(this, WID_ROT_TRUCK_STATION, SPR_CURSOR_TRUCK_STATION, HT_RECT)) {
 					ShowRVStationPicker(this, ROADSTOP_TRUCK);
 					this->last_started_action = widget;
 				}
 				break;
 
-			case ROTW_ONE_WAY:
-				if (this->IsWidgetDisabled(ROTW_ONE_WAY)) return;
+			case WID_ROT_ONE_WAY:
+				if (this->IsWidgetDisabled(WID_ROT_ONE_WAY)) return;
 				this->SetDirty();
-				this->ToggleWidgetLoweredState(ROTW_ONE_WAY);
+				this->ToggleWidgetLoweredState(WID_ROT_ONE_WAY);
 				SetSelectionRed(false);
 				break;
 
-			case ROTW_BUILD_BRIDGE:
-				HandlePlacePushButton(this, ROTW_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT);
+			case WID_ROT_BUILD_BRIDGE:
+				HandlePlacePushButton(this, WID_ROT_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT);
 				this->last_started_action = widget;
 				break;
 
-			case ROTW_BUILD_TUNNEL:
-				HandlePlacePushButton(this, ROTW_BUILD_TUNNEL, SPR_CURSOR_ROAD_TUNNEL, HT_SPECIAL);
+			case WID_ROT_BUILD_TUNNEL:
+				HandlePlacePushButton(this, WID_ROT_BUILD_TUNNEL, SPR_CURSOR_ROAD_TUNNEL, HT_SPECIAL);
 				this->last_started_action = widget;
 				break;
 
-			case ROTW_REMOVE:
-				if (this->IsWidgetDisabled(ROTW_REMOVE)) return;
+			case WID_ROT_REMOVE:
+				if (this->IsWidgetDisabled(WID_ROT_REMOVE)) return;
 
 				DeleteWindowById(WC_SELECT_STATION, 0);
 				ToggleRoadButton_Remove(this);
@@ -484,50 +484,50 @@ struct BuildRoadToolbarWindow : Window {
 
 	virtual void OnPlaceObject(Point pt, TileIndex tile)
 	{
-		_remove_button_clicked = this->IsWidgetLowered(ROTW_REMOVE);
-		_one_way_button_clicked = this->IsWidgetLowered(ROTW_ONE_WAY);
+		_remove_button_clicked = this->IsWidgetLowered(WID_ROT_REMOVE);
+		_one_way_button_clicked = this->IsWidgetLowered(WID_ROT_ONE_WAY);
 		switch (this->last_started_action) {
-			case ROTW_ROAD_X:
+			case WID_ROT_ROAD_X:
 				_place_road_flag = RF_DIR_X;
 				if (_tile_fract_coords.x >= 8) _place_road_flag |= RF_START_HALFROAD_X;
 				VpStartPlaceSizing(tile, VPM_FIX_Y, DDSP_PLACE_ROAD_X_DIR);
 				break;
 
-			case ROTW_ROAD_Y:
+			case WID_ROT_ROAD_Y:
 				_place_road_flag = RF_DIR_Y;
 				if (_tile_fract_coords.y >= 8) _place_road_flag |= RF_START_HALFROAD_Y;
 				VpStartPlaceSizing(tile, VPM_FIX_X, DDSP_PLACE_ROAD_Y_DIR);
 				break;
 
-			case ROTW_AUTOROAD:
+			case WID_ROT_AUTOROAD:
 				_place_road_flag = RF_NONE;
 				if (_tile_fract_coords.x >= 8) _place_road_flag |= RF_START_HALFROAD_X;
 				if (_tile_fract_coords.y >= 8) _place_road_flag |= RF_START_HALFROAD_Y;
 				VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_PLACE_AUTOROAD);
 				break;
 
-			case ROTW_DEMOLISH:
+			case WID_ROT_DEMOLISH:
 				PlaceProc_DemolishArea(tile);
 				break;
 
-			case ROTW_DEPOT:
+			case WID_ROT_DEPOT:
 				DoCommandP(tile, _cur_roadtype << 2 | _road_depot_orientation, 0,
 						CMD_BUILD_ROAD_DEPOT | CMD_MSG(_road_type_infos[_cur_roadtype].err_depot), CcRoadDepot);
 				break;
 
-			case ROTW_BUS_STATION:
+			case WID_ROT_BUS_STATION:
 				PlaceRoad_BusStation(tile);
 				break;
 
-			case ROTW_TRUCK_STATION:
+			case WID_ROT_TRUCK_STATION:
 				PlaceRoad_TruckStation(tile);
 				break;
 
-			case ROTW_BUILD_BRIDGE:
+			case WID_ROT_BUILD_BRIDGE:
 				PlaceRoad_Bridge(tile, this);
 				break;
 
-			case ROTW_BUILD_TUNNEL:
+			case WID_ROT_BUILD_TUNNEL:
 				DoCommandP(tile, RoadTypeToRoadTypes(_cur_roadtype) | (TRANSPORT_ROAD << 8), 0,
 						CMD_BUILD_TUNNEL | CMD_MSG(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE), CcBuildRoadTunnel);
 				break;
@@ -540,11 +540,11 @@ struct BuildRoadToolbarWindow : Window {
 	{
 		this->RaiseButtons();
 		this->SetWidgetsDisabledState(true,
-				ROTW_REMOVE,
-				ROTW_ONE_WAY,
+				WID_ROT_REMOVE,
+				WID_ROT_ONE_WAY,
 				WIDGET_LIST_END);
-		this->SetWidgetDirty(ROTW_REMOVE);
-		this->SetWidgetDirty(ROTW_ONE_WAY);
+		this->SetWidgetDirty(WID_ROT_REMOVE);
+		this->SetWidgetDirty(WID_ROT_ONE_WAY);
 
 		DeleteWindowById(WC_BUS_STATION, TRANSPORT_ROAD);
 		DeleteWindowById(WC_TRUCK_STATION, TRANSPORT_ROAD);
@@ -664,17 +664,17 @@ struct BuildRoadToolbarWindow : Window {
 };
 
 Hotkey<BuildRoadToolbarWindow> BuildRoadToolbarWindow::roadtoolbar_hotkeys[] = {
-	Hotkey<BuildRoadToolbarWindow>('1', "build_x", ROTW_ROAD_X),
-	Hotkey<BuildRoadToolbarWindow>('2', "build_y", ROTW_ROAD_Y),
-	Hotkey<BuildRoadToolbarWindow>('3', "autoroad", ROTW_AUTOROAD),
-	Hotkey<BuildRoadToolbarWindow>('4', "demolish", ROTW_DEMOLISH),
-	Hotkey<BuildRoadToolbarWindow>('5', "depot", ROTW_DEPOT),
-	Hotkey<BuildRoadToolbarWindow>('6', "bus_station", ROTW_BUS_STATION),
-	Hotkey<BuildRoadToolbarWindow>('7', "truck_station", ROTW_TRUCK_STATION),
-	Hotkey<BuildRoadToolbarWindow>('8', "oneway", ROTW_ONE_WAY),
-	Hotkey<BuildRoadToolbarWindow>('B', "bridge", ROTW_BUILD_BRIDGE),
-	Hotkey<BuildRoadToolbarWindow>('T', "tunnel", ROTW_BUILD_TUNNEL),
-	Hotkey<BuildRoadToolbarWindow>('R', "remove", ROTW_REMOVE),
+	Hotkey<BuildRoadToolbarWindow>('1', "build_x", WID_ROT_ROAD_X),
+	Hotkey<BuildRoadToolbarWindow>('2', "build_y", WID_ROT_ROAD_Y),
+	Hotkey<BuildRoadToolbarWindow>('3', "autoroad", WID_ROT_AUTOROAD),
+	Hotkey<BuildRoadToolbarWindow>('4', "demolish", WID_ROT_DEMOLISH),
+	Hotkey<BuildRoadToolbarWindow>('5', "depot", WID_ROT_DEPOT),
+	Hotkey<BuildRoadToolbarWindow>('6', "bus_station", WID_ROT_BUS_STATION),
+	Hotkey<BuildRoadToolbarWindow>('7', "truck_station", WID_ROT_TRUCK_STATION),
+	Hotkey<BuildRoadToolbarWindow>('8', "oneway", WID_ROT_ONE_WAY),
+	Hotkey<BuildRoadToolbarWindow>('B', "bridge", WID_ROT_BUILD_BRIDGE),
+	Hotkey<BuildRoadToolbarWindow>('T', "tunnel", WID_ROT_BUILD_TUNNEL),
+	Hotkey<BuildRoadToolbarWindow>('R', "remove", WID_ROT_REMOVE),
 	HOTKEY_LIST_END(BuildRoadToolbarWindow)
 };
 Hotkey<BuildRoadToolbarWindow> *_roadtoolbar_hotkeys = BuildRoadToolbarWindow::roadtoolbar_hotkeys;
@@ -687,28 +687,28 @@ static const NWidgetPart _nested_build_road_widgets[] = {
 		NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
 	EndContainer(),
 	NWidget(NWID_HORIZONTAL),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_ROAD_X),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_X),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_X_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_ROAD_Y),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_Y),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_Y_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_AUTOROAD),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_AUTOROAD),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTOROAD, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_AUTOROAD),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_DEMOLISH),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEMOLISH),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_DEPOT),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEPOT),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_DEPOT, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_VEHICLE_DEPOT),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_BUS_STATION),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUS_STATION),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_BUS_STATION, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_BUS_STATION),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_TRUCK_STATION),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_TRUCK_STATION),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRUCK_BAY, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRUCK_LOADING_BAY),
 		NWidget(WWT_PANEL, COLOUR_DARK_GREEN, -1), SetMinimalSize(0, 22), SetFill(1, 1), EndContainer(),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_ONE_WAY),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ONE_WAY),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_ONE_WAY, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_ONE_WAY_ROAD),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_BUILD_BRIDGE),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_BRIDGE),
 						SetFill(0, 1), SetMinimalSize(43, 22), SetDataTip(SPR_IMG_BRIDGE, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_BRIDGE),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_BUILD_TUNNEL),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_TUNNEL),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_TUNNEL, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_TUNNEL),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_REMOVE),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_REMOVE),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR_ROAD),
 	EndContainer(),
 };
@@ -727,27 +727,27 @@ static const NWidgetPart _nested_build_tramway_widgets[] = {
 		NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
 	EndContainer(),
 	NWidget(NWID_HORIZONTAL),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_ROAD_X),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_X),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRAMWAY_X_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_SECTION),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_ROAD_Y),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_Y),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRAMWAY_Y_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_SECTION),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_AUTOROAD),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_AUTOROAD),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTOTRAM, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_AUTOTRAM),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_DEMOLISH),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEMOLISH),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_DEPOT),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEPOT),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_DEPOT, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAM_VEHICLE_DEPOT),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_BUS_STATION),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUS_STATION),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_BUS_STATION, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_PASSENGER_TRAM_STATION),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_TRUCK_STATION),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_TRUCK_STATION),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRUCK_BAY, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_CARGO_TRAM_STATION),
 		NWidget(WWT_PANEL, COLOUR_DARK_GREEN, -1), SetMinimalSize(0, 22), SetFill(1, 1), EndContainer(),
-		NWidget(WWT_EMPTY, COLOUR_DARK_GREEN, ROTW_ONE_WAY), SetMinimalSize(0, 0),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_BUILD_BRIDGE),
+		NWidget(WWT_EMPTY, COLOUR_DARK_GREEN, WID_ROT_ONE_WAY), SetMinimalSize(0, 0),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_BRIDGE),
 						SetFill(0, 1), SetMinimalSize(43, 22), SetDataTip(SPR_IMG_BRIDGE, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_BRIDGE),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_BUILD_TUNNEL),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_TUNNEL),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_TUNNEL, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_TUNNEL),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_REMOVE),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_REMOVE),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR_TRAMWAYS),
 	EndContainer(),
 };
@@ -792,22 +792,22 @@ static const NWidgetPart _nested_build_road_scen_widgets[] = {
 		NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
 	EndContainer(),
 	NWidget(NWID_HORIZONTAL),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_ROAD_X),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_X),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_X_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_ROAD_Y),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ROAD_Y),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_Y_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_AUTOROAD),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_AUTOROAD),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTOROAD, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_AUTOROAD),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_DEMOLISH),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_DEMOLISH),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
 		NWidget(WWT_PANEL, COLOUR_DARK_GREEN, -1), SetMinimalSize(0, 22), SetFill(1, 1), EndContainer(),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_ONE_WAY),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_ONE_WAY),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_ONE_WAY, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_ONE_WAY_ROAD),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_BUILD_BRIDGE),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_BRIDGE),
 						SetFill(0, 1), SetMinimalSize(43, 22), SetDataTip(SPR_IMG_BRIDGE, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_BRIDGE),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_BUILD_TUNNEL),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_BUILD_TUNNEL),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_TUNNEL, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_TUNNEL),
-		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, ROTW_REMOVE),
+		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_ROT_REMOVE),
 						SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR_ROAD),
 	EndContainer(),
 };
@@ -843,10 +843,10 @@ struct BuildRoadDepotWindow : public PickerWindowBase {
 	{
 		this->CreateNestedTree(desc);
 
-		this->LowerWidget(_road_depot_orientation + BRODW_DEPOT_NE);
+		this->LowerWidget(_road_depot_orientation + WID_BROD_DEPOT_NE);
 		if ( _cur_roadtype == ROADTYPE_TRAM) {
-			this->GetWidget<NWidgetCore>(BRODW_CAPTION)->widget_data = STR_BUILD_DEPOT_TRAM_ORIENTATION_CAPTION;
-			for (int i = BRODW_DEPOT_NE; i <= BRODW_DEPOT_NW; i++) this->GetWidget<NWidgetCore>(i)->tool_tip = STR_BUILD_DEPOT_TRAM_ORIENTATION_SELECT_TOOLTIP;
+			this->GetWidget<NWidgetCore>(WID_BROD_CAPTION)->widget_data = STR_BUILD_DEPOT_TRAM_ORIENTATION_CAPTION;
+			for (int i = WID_BROD_DEPOT_NE; i <= WID_BROD_DEPOT_NW; i++) this->GetWidget<NWidgetCore>(i)->tool_tip = STR_BUILD_DEPOT_TRAM_ORIENTATION_SELECT_TOOLTIP;
 		}
 
 		this->FinishInitNested(desc, TRANSPORT_ROAD);
@@ -854,21 +854,21 @@ struct BuildRoadDepotWindow : public PickerWindowBase {
 
 	virtual void DrawWidget(const Rect &r, int widget) const
 	{
-		if (!IsInsideMM(widget, BRODW_DEPOT_NE, BRODW_DEPOT_NW + 1)) return;
+		if (!IsInsideMM(widget, WID_BROD_DEPOT_NE, WID_BROD_DEPOT_NW + 1)) return;
 
-		DrawRoadDepotSprite(r.left - 1, r.top, (DiagDirection)(widget - BRODW_DEPOT_NE + DIAGDIR_NE), _cur_roadtype);
+		DrawRoadDepotSprite(r.left - 1, r.top, (DiagDirection)(widget - WID_BROD_DEPOT_NE + DIAGDIR_NE), _cur_roadtype);
 	}
 
 	virtual void OnClick(Point pt, int widget, int click_count)
 	{
 		switch (widget) {
-			case BRODW_DEPOT_NW:
-			case BRODW_DEPOT_NE:
-			case BRODW_DEPOT_SW:
-			case BRODW_DEPOT_SE:
-				this->RaiseWidget(_road_depot_orientation + BRODW_DEPOT_NE);
-				_road_depot_orientation = (DiagDirection)(widget - BRODW_DEPOT_NE);
-				this->LowerWidget(_road_depot_orientation + BRODW_DEPOT_NE);
+			case WID_BROD_DEPOT_NW:
+			case WID_BROD_DEPOT_NE:
+			case WID_BROD_DEPOT_SW:
+			case WID_BROD_DEPOT_SE:
+				this->RaiseWidget(_road_depot_orientation + WID_BROD_DEPOT_NE);
+				_road_depot_orientation = (DiagDirection)(widget - WID_BROD_DEPOT_NE);
+				this->LowerWidget(_road_depot_orientation + WID_BROD_DEPOT_NE);
 				SndPlayFx(SND_15_BEEP);
 				this->SetDirty();
 				break;
@@ -882,25 +882,25 @@ struct BuildRoadDepotWindow : public PickerWindowBase {
 static const NWidgetPart _nested_build_road_depot_widgets[] = {
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
-		NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, BRODW_CAPTION), SetDataTip(STR_BUILD_DEPOT_ROAD_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
+		NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_BROD_CAPTION), SetDataTip(STR_BUILD_DEPOT_ROAD_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 	EndContainer(),
 	NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
 		NWidget(NWID_SPACER), SetMinimalSize(0, 3),
 		NWidget(NWID_HORIZONTAL_LTR),
 			NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
 			NWidget(NWID_VERTICAL),
-				NWidget(WWT_PANEL, COLOUR_GREY, BRODW_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
+				NWidget(WWT_PANEL, COLOUR_GREY, WID_BROD_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
 				EndContainer(),
 				NWidget(NWID_SPACER), SetMinimalSize(0, 2),
-				NWidget(WWT_PANEL, COLOUR_GREY, BRODW_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
+				NWidget(WWT_PANEL, COLOUR_GREY, WID_BROD_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
 				EndContainer(),
 			EndContainer(),
 			NWidget(NWID_SPACER), SetMinimalSize(2, 0),
 			NWidget(NWID_VERTICAL),
-				NWidget(WWT_PANEL, COLOUR_GREY, BRODW_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
+				NWidget(WWT_PANEL, COLOUR_GREY, WID_BROD_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
 				EndContainer(),
 				NWidget(NWID_SPACER), SetMinimalSize(0, 2),
-				NWidget(WWT_PANEL, COLOUR_GREY, BRODW_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
+				NWidget(WWT_PANEL, COLOUR_GREY, WID_BROD_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
 				EndContainer(),
 			EndContainer(),
 			NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
@@ -931,17 +931,17 @@ struct BuildRoadStationWindow : public PickerWindowBase {
 			_road_station_picker_orientation = DIAGDIR_END;
 		}
 		this->SetWidgetsDisabledState(_cur_roadtype == ROADTYPE_TRAM,
-				BRSW_STATION_NE,
-				BRSW_STATION_SE,
-				BRSW_STATION_SW,
-				BRSW_STATION_NW,
+				WID_BROS_STATION_NE,
+				WID_BROS_STATION_SE,
+				WID_BROS_STATION_SW,
+				WID_BROS_STATION_NW,
 				WIDGET_LIST_END);
 
-		this->GetWidget<NWidgetCore>(BRSW_CAPTION)->widget_data = _road_type_infos[_cur_roadtype].picker_title[rs];
-		for (uint i = BRSW_STATION_NE; i < BRSW_LT_OFF; i++) this->GetWidget<NWidgetCore>(i)->tool_tip = _road_type_infos[_cur_roadtype].picker_tooltip[rs];
+		this->GetWidget<NWidgetCore>(WID_BROS_CAPTION)->widget_data = _road_type_infos[_cur_roadtype].picker_title[rs];
+		for (uint i = WID_BROS_STATION_NE; i < WID_BROS_LT_OFF; i++) this->GetWidget<NWidgetCore>(i)->tool_tip = _road_type_infos[_cur_roadtype].picker_tooltip[rs];
 
-		this->LowerWidget(_road_station_picker_orientation + BRSW_STATION_NE);
-		this->LowerWidget(_settings_client.gui.station_show_coverage + BRSW_LT_OFF);
+		this->LowerWidget(_road_station_picker_orientation + WID_BROS_STATION_NE);
+		this->LowerWidget(_settings_client.gui.station_show_coverage + WID_BROS_LT_OFF);
 
 		this->FinishInitNested(desc, TRANSPORT_ROAD);
 
@@ -966,8 +966,8 @@ struct BuildRoadStationWindow : public PickerWindowBase {
 
 		/* 'Accepts' and 'Supplies' texts. */
 		StationCoverageType sct = (this->window_class == WC_BUS_STATION) ? SCT_PASSENGERS_ONLY : SCT_NON_PASSENGERS_ONLY;
-		int top = this->GetWidget<NWidgetBase>(BRSW_LT_ON)->pos_y + this->GetWidget<NWidgetBase>(BRSW_LT_ON)->current_y + WD_PAR_VSEP_NORMAL;
-		NWidgetBase *back_nwi = this->GetWidget<NWidgetBase>(BRSW_BACKGROUND);
+		int top = this->GetWidget<NWidgetBase>(WID_BROS_LT_ON)->pos_y + this->GetWidget<NWidgetBase>(WID_BROS_LT_ON)->current_y + WD_PAR_VSEP_NORMAL;
+		NWidgetBase *back_nwi = this->GetWidget<NWidgetBase>(WID_BROS_BACKGROUND);
 		int right = back_nwi->pos_x +  back_nwi->current_x;
 		int bottom = back_nwi->pos_y +  back_nwi->current_y;
 		top = DrawStationCoverageAreaText(back_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, sct, rad, false) + WD_PAR_VSEP_NORMAL;
@@ -980,34 +980,34 @@ struct BuildRoadStationWindow : public PickerWindowBase {
 
 	virtual void DrawWidget(const Rect &r, int widget) const
 	{
-		if (!IsInsideMM(widget, BRSW_STATION_NE, BRSW_STATION_Y + 1)) return;
+		if (!IsInsideMM(widget, WID_BROS_STATION_NE, WID_BROS_STATION_Y + 1)) return;
 
 		StationType st = (this->window_class == WC_BUS_STATION) ? STATION_BUS : STATION_TRUCK;
-		StationPickerDrawSprite(r.left + TILE_PIXELS, r.bottom - TILE_PIXELS, st, INVALID_RAILTYPE, widget < BRSW_STATION_X ? ROADTYPE_ROAD : _cur_roadtype, widget - BRSW_STATION_NE);
+		StationPickerDrawSprite(r.left + TILE_PIXELS, r.bottom - TILE_PIXELS, st, INVALID_RAILTYPE, widget < WID_BROS_STATION_X ? ROADTYPE_ROAD : _cur_roadtype, widget - WID_BROS_STATION_NE);
 	}
 
 	virtual void OnClick(Point pt, int widget, int click_count)
 	{
 		switch (widget) {
-			case BRSW_STATION_NE:
-			case BRSW_STATION_SE:
-			case BRSW_STATION_SW:
-			case BRSW_STATION_NW:
-			case BRSW_STATION_X:
-			case BRSW_STATION_Y:
-				this->RaiseWidget(_road_station_picker_orientation + BRSW_STATION_NE);
-				_road_station_picker_orientation = (DiagDirection)(widget - BRSW_STATION_NE);
-				this->LowerWidget(_road_station_picker_orientation + BRSW_STATION_NE);
+			case WID_BROS_STATION_NE:
+			case WID_BROS_STATION_SE:
+			case WID_BROS_STATION_SW:
+			case WID_BROS_STATION_NW:
+			case WID_BROS_STATION_X:
+			case WID_BROS_STATION_Y:
+				this->RaiseWidget(_road_station_picker_orientation + WID_BROS_STATION_NE);
+				_road_station_picker_orientation = (DiagDirection)(widget - WID_BROS_STATION_NE);
+				this->LowerWidget(_road_station_picker_orientation + WID_BROS_STATION_NE);
 				SndPlayFx(SND_15_BEEP);
 				this->SetDirty();
 				DeleteWindowById(WC_SELECT_STATION, 0);
 				break;
 
-			case BRSW_LT_OFF:
-			case BRSW_LT_ON:
-				this->RaiseWidget(_settings_client.gui.station_show_coverage + BRSW_LT_OFF);
-				_settings_client.gui.station_show_coverage = (widget != BRSW_LT_OFF);
-				this->LowerWidget(_settings_client.gui.station_show_coverage + BRSW_LT_OFF);
+			case WID_BROS_LT_OFF:
+			case WID_BROS_LT_ON:
+				this->RaiseWidget(_settings_client.gui.station_show_coverage + WID_BROS_LT_OFF);
+				_settings_client.gui.station_show_coverage = (widget != WID_BROS_LT_OFF);
+				this->LowerWidget(_settings_client.gui.station_show_coverage + WID_BROS_LT_OFF);
 				SndPlayFx(SND_15_BEEP);
 				this->SetDirty();
 				break;
@@ -1027,35 +1027,35 @@ struct BuildRoadStationWindow : public PickerWindowBase {
 static const NWidgetPart _nested_rv_station_picker_widgets[] = {
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
-		NWidget(WWT_CAPTION,  COLOUR_DARK_GREEN, BRSW_CAPTION),
+		NWidget(WWT_CAPTION,  COLOUR_DARK_GREEN, WID_BROS_CAPTION),
 	EndContainer(),
-	NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRSW_BACKGROUND),
+	NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BROS_BACKGROUND),
 		NWidget(NWID_SPACER), SetMinimalSize(0, 3),
 		NWidget(NWID_HORIZONTAL), SetPIP(0, 2, 0),
 			NWidget(NWID_SPACER), SetFill(1, 0),
-			NWidget(WWT_PANEL, COLOUR_GREY, BRSW_STATION_NW), SetMinimalSize(66, 50), EndContainer(),
-			NWidget(WWT_PANEL, COLOUR_GREY, BRSW_STATION_NE), SetMinimalSize(66, 50), EndContainer(),
-			NWidget(WWT_PANEL, COLOUR_GREY, BRSW_STATION_X),  SetMinimalSize(66, 50), EndContainer(),
+			NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_NW), SetMinimalSize(66, 50), EndContainer(),
+			NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_NE), SetMinimalSize(66, 50), EndContainer(),
+			NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_X),  SetMinimalSize(66, 50), EndContainer(),
 			NWidget(NWID_SPACER), SetFill(1, 0),
 		EndContainer(),
 		NWidget(NWID_SPACER), SetMinimalSize(0, 2),
 		NWidget(NWID_HORIZONTAL), SetPIP(0, 2, 0),
 			NWidget(NWID_SPACER), SetFill(1, 0),
-			NWidget(WWT_PANEL, COLOUR_GREY, BRSW_STATION_SW), SetMinimalSize(66, 50), EndContainer(),
-			NWidget(WWT_PANEL, COLOUR_GREY, BRSW_STATION_SE), SetMinimalSize(66, 50), EndContainer(),
-			NWidget(WWT_PANEL, COLOUR_GREY, BRSW_STATION_Y),  SetMinimalSize(66, 50), EndContainer(),
+			NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_SW), SetMinimalSize(66, 50), EndContainer(),
+			NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_SE), SetMinimalSize(66, 50), EndContainer(),
+			NWidget(WWT_PANEL, COLOUR_GREY, WID_BROS_STATION_Y),  SetMinimalSize(66, 50), EndContainer(),
 			NWidget(NWID_SPACER), SetFill(1, 0),
 		EndContainer(),
 		NWidget(NWID_SPACER), SetMinimalSize(0, 1),
 		NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
-			NWidget(WWT_LABEL, COLOUR_DARK_GREEN, BRSW_INFO), SetMinimalSize(140, 14), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL),
+			NWidget(WWT_LABEL, COLOUR_DARK_GREEN, WID_BROS_INFO), SetMinimalSize(140, 14), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL),
 			NWidget(NWID_SPACER), SetFill(1, 0),
 		EndContainer(),
 		NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
 			NWidget(NWID_SPACER), SetFill(1, 0),
-			NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_LT_OFF), SetMinimalSize(60, 12),
+			NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROS_LT_OFF), SetMinimalSize(60, 12),
 											SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
-			NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_LT_ON), SetMinimalSize(60, 12),
+			NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BROS_LT_ON), SetMinimalSize(60, 12),
 											SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
 			NWidget(NWID_SPACER), SetFill(1, 0),
 		EndContainer(),
diff --git a/src/widgets/road_widget.h b/src/widgets/road_widget.h
index 86454b3ee..bcfcb8e87 100644
--- a/src/widgets/road_widget.h
+++ b/src/widgets/road_widget.h
@@ -15,42 +15,42 @@
 /** Widgets of the WC_SCEN_BUILD_TOOLBAR / WC_BUILD_TOOLBAR (WC_SCEN_BUILD_TOOLBAR / WC_BUILD_TOOLBAR is also used in others). */
 enum RoadToolbarWidgets {
 	/* Name starts with RO instead of R, because of collision with RailToolbarWidgets */
-	ROTW_ROAD_X,
-	ROTW_ROAD_Y,
-	ROTW_AUTOROAD,
-	ROTW_DEMOLISH,
-	ROTW_DEPOT,
-	ROTW_BUS_STATION,
-	ROTW_TRUCK_STATION,
-	ROTW_ONE_WAY,
-	ROTW_BUILD_BRIDGE,
-	ROTW_BUILD_TUNNEL,
-	ROTW_REMOVE,
+	WID_ROT_ROAD_X,         ///< Build road in x-direction.
+	WID_ROT_ROAD_Y,         ///< Build road in y-direction.
+	WID_ROT_AUTOROAD,       ///< Autorail.
+	WID_ROT_DEMOLISH,       ///< Demolish.
+	WID_ROT_DEPOT,          ///< Build depot.
+	WID_ROT_BUS_STATION,    ///< Build bus station.
+	WID_ROT_TRUCK_STATION,  ///< Build truck station.
+	WID_ROT_ONE_WAY,        ///< Build one-way road.
+	WID_ROT_BUILD_BRIDGE,   ///< Build bridge.
+	WID_ROT_BUILD_TUNNEL,   ///< Build tunnel.
+	WID_ROT_REMOVE,         ///< Remove road.
 };
 
 /** Widgets of the WC_BUILD_DEPOT (WC_BUILD_DEPOT is also used in others). */
 enum BuildRoadDepotWidgets {
 	/* Name starts with BRO instead of BR, because of collision with BuildRailDepotWidgets */
-	BRODW_CAPTION,
-	BRODW_DEPOT_NE,
-	BRODW_DEPOT_SE,
-	BRODW_DEPOT_SW,
-	BRODW_DEPOT_NW,
+	WID_BROD_CAPTION,   ///< Window caption.
+	WID_BROD_DEPOT_NE,  ///< Depot with NE entry.
+	WID_BROD_DEPOT_SE,  ///< Depot with SE entry.
+	WID_BROD_DEPOT_SW,  ///< Depot with SW entry.
+	WID_BROD_DEPOT_NW,  ///< Depot with NW entry.
 };
 
 /** Widgets of the WC_BUS_STATION / WC_TRUCK_STATION. */
 enum BuildRoadStationWidgets {
-	BRSW_CAPTION,
-	BRSW_BACKGROUND,
-	BRSW_STATION_NE,
-	BRSW_STATION_SE,
-	BRSW_STATION_SW,
-	BRSW_STATION_NW,
-	BRSW_STATION_X,
-	BRSW_STATION_Y,
-	BRSW_LT_OFF,
-	BRSW_LT_ON,
-	BRSW_INFO,
+	WID_BROS_CAPTION,       ///< Window caption.
+	WID_BROS_BACKGROUND,    ///< Window background.
+	WID_BROS_STATION_NE,    ///< Terminal station with NE entry.
+	WID_BROS_STATION_SE,    ///< Terminal station with SE entry.
+	WID_BROS_STATION_SW,    ///< Terminal station with SW entry.
+	WID_BROS_STATION_NW,    ///< Terminal station with NW entry.
+	WID_BROS_STATION_X,     ///< Drive-through station in x-direction.
+	WID_BROS_STATION_Y,     ///< Drive-through station in y-direction.
+	WID_BROS_LT_OFF,        ///< Turn off area highlight.
+	WID_BROS_LT_ON,         ///< Turn on area highlight.
+	WID_BROS_INFO,          ///< Station acceptance info.
 };
 
 #endif /* WIDGETS_ROAD_WIDGET_H */