(svn r23546) -Codechange: document and rename widgets to be consistent and understandable

5 files changed, 251 insertions, 253 deletions

diff --git a/src/smallmap_gui.cpp b/src/smallmap_gui.cpp
index 1011ba584..2c43c33de 100644
--- a/src/smallmap_gui.cpp
+++ b/src/smallmap_gui.cpp
@@ -565,7 +565,7 @@ static const byte _vehicle_type_colours[6] = {
 
 /** Class managing the smallmap window. */
 class SmallMapWindow : public Window {
-	/** Types of legends in the #SM_WIDGET_LEGEND widget. */
+	/** Types of legends in the #WID_SM_LEGEND widget. */
 	enum SmallMapType {
 		SMT_CONTOUR,
 		SMT_VEHICLES,
@@ -585,10 +585,10 @@ class SmallMapWindow : public Window {
 	static SmallMapType map_type; ///< Currently displayed legends.
 	static bool show_towns;       ///< Display town names in the smallmap.
 
-	static const uint LEGEND_BLOB_WIDTH = 8;              ///< Width of the coloured blob in front of a line text in the #SM_WIDGET_LEGEND widget.
-	static const uint INDUSTRY_MIN_NUMBER_OF_COLUMNS = 2; ///< Minimal number of columns in the #SM_WIDGET_LEGEND widget for the #SMT_INDUSTRY legend.
+	static const uint LEGEND_BLOB_WIDTH = 8;              ///< Width of the coloured blob in front of a line text in the #WID_SM_LEGEND widget.
+	static const uint INDUSTRY_MIN_NUMBER_OF_COLUMNS = 2; ///< Minimal number of columns in the #WID_SM_LEGEND widget for the #SMT_INDUSTRY legend.
 	uint min_number_of_fixed_rows; ///< Minimal number of rows in the legends for the fixed layouts only (all except #SMT_INDUSTRY).
-	uint column_width;             ///< Width of a column in the #SM_WIDGET_LEGEND widget.
+	uint column_width;             ///< Width of a column in the #WID_SM_LEGEND widget.
 
 	int32 scroll_x;  ///< Horizontal world coordinate of the base tile left of the top-left corner of the smallmap display.
 	int32 scroll_y;  ///< Vertical world coordinate of the base tile left of the top-left corner of the smallmap display.
@@ -731,8 +731,8 @@ class SmallMapWindow : public Window {
 				this->SetNewScroll(this->scroll_x + (tile.x - new_tile.x) * TILE_SIZE,
 						this->scroll_y + (tile.y - new_tile.y) * TILE_SIZE, sub);
 			}
-			this->SetWidgetDisabledState(SM_WIDGET_ZOOM_IN,  this->zoom == zoomlevels[MIN_ZOOM_INDEX]);
-			this->SetWidgetDisabledState(SM_WIDGET_ZOOM_OUT, this->zoom == zoomlevels[MAX_ZOOM_INDEX]);
+			this->SetWidgetDisabledState(WID_SM_ZOOM_IN,  this->zoom == zoomlevels[MIN_ZOOM_INDEX]);
+			this->SetWidgetDisabledState(WID_SM_ZOOM_OUT, this->zoom == zoomlevels[MAX_ZOOM_INDEX]);
 			this->SetDirty();
 		}
 	}
@@ -1042,10 +1042,10 @@ class SmallMapWindow : public Window {
 				break;
 		}
 
-		this->GetWidget<NWidgetCore>(SM_WIDGET_LEGEND)->SetDataTip(STR_NULL, legend_tooltip);
-		this->GetWidget<NWidgetCore>(SM_WIDGET_ENABLE_ALL)->SetDataTip(STR_SMALLMAP_ENABLE_ALL, enable_all_tooltip);
-		this->GetWidget<NWidgetCore>(SM_WIDGET_DISABLE_ALL)->SetDataTip(STR_SMALLMAP_DISABLE_ALL, disable_all_tooltip);
-		this->GetWidget<NWidgetStacked>(SM_WIDGET_SELECT_BUTTONS)->SetDisplayedPlane(plane);
+		this->GetWidget<NWidgetCore>(WID_SM_LEGEND)->SetDataTip(STR_NULL, legend_tooltip);
+		this->GetWidget<NWidgetCore>(WID_SM_ENABLE_ALL)->SetDataTip(STR_SMALLMAP_ENABLE_ALL, enable_all_tooltip);
+		this->GetWidget<NWidgetCore>(WID_SM_DISABLE_ALL)->SetDataTip(STR_SMALLMAP_DISABLE_ALL, disable_all_tooltip);
+		this->GetWidget<NWidgetStacked>(WID_SM_SELECT_BUTTONS)->SetDisplayedPlane(plane);
 	}
 
 public:
@@ -1054,12 +1054,12 @@ public:
 	SmallMapWindow(const WindowDesc *desc, int window_number) : Window(), refresh(FORCE_REFRESH_PERIOD)
 	{
 		this->InitNested(desc, window_number);
-		this->LowerWidget(this->map_type + SM_WIDGET_CONTOUR);
+		this->LowerWidget(this->map_type + WID_SM_CONTOUR);
 
 		BuildLandLegend();
-		this->SetWidgetLoweredState(SM_WIDGET_SHOW_HEIGHT, _smallmap_show_heightmap);
+		this->SetWidgetLoweredState(WID_SM_SHOW_HEIGHT, _smallmap_show_heightmap);
 
-		this->SetWidgetLoweredState(SM_WIDGET_TOGGLETOWNNAME, this->show_towns);
+		this->SetWidgetLoweredState(WID_SM_TOGGLETOWNNAME, this->show_towns);
 
 		this->SetupWidgetData();
 
@@ -1099,7 +1099,7 @@ public:
 	virtual void SetStringParameters(int widget) const
 	{
 		switch (widget) {
-			case SM_WIDGET_CAPTION:
+			case WID_SM_CAPTION:
 				SetDParam(0, STR_SMALLMAP_TYPE_CONTOURS + this->map_type);
 				break;
 		}
@@ -1171,14 +1171,14 @@ public:
 	virtual void DrawWidget(const Rect &r, int widget) const
 	{
 		switch (widget) {
-			case SM_WIDGET_MAP: {
+			case WID_SM_MAP: {
 				DrawPixelInfo new_dpi;
 				if (!FillDrawPixelInfo(&new_dpi, r.left + 1, r.top + 1, r.right - r.left - 1, r.bottom - r.top - 1)) return;
 				this->DrawSmallMap(&new_dpi);
 				break;
 			}
 
-			case SM_WIDGET_LEGEND: {
+			case WID_SM_LEGEND: {
 				uint columns = this->GetNumberColumnsLegend(r.right - r.left + 1);
 				uint number_of_rows = max((this->map_type == SMT_INDUSTRY || this->map_type == SMT_OWNER) ? CeilDiv(max(_smallmap_company_count, _smallmap_industry_count), columns) : 0, this->min_number_of_fixed_rows);
 				bool rtl = _current_text_dir == TD_RTL;
@@ -1246,9 +1246,9 @@ public:
 	 */
 	void SwitchMapType(SmallMapType map_type)
 	{
-		this->RaiseWidget(this->map_type + SM_WIDGET_CONTOUR);
+		this->RaiseWidget(this->map_type + WID_SM_CONTOUR);
 		this->map_type = map_type;
-		this->LowerWidget(this->map_type + SM_WIDGET_CONTOUR);
+		this->LowerWidget(this->map_type + WID_SM_CONTOUR);
 
 		this->SetupWidgetData();
 
@@ -1261,7 +1261,7 @@ public:
 		InvalidateWindowClassesData(WC_INDUSTRY_CARGOES, NUM_INDUSTRYTYPES);
 
 		switch (widget) {
-			case SM_WIDGET_MAP: { // Map window
+			case WID_SM_MAP: { // Map window
 				/*
 				 * XXX: scrolling with the left mouse button is done by subsequently
 				 * clicking with the left mouse button; clicking once centers the
@@ -1272,7 +1272,7 @@ public:
 				 */
 				_left_button_clicked = false;
 
-				const NWidgetBase *wid = this->GetWidget<NWidgetBase>(SM_WIDGET_MAP);
+				const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
 				Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
 				int sub;
 				pt = this->PixelToTile(pt.x - wid->pos_x, pt.y - wid->pos_y, &sub);
@@ -1287,42 +1287,42 @@ public:
 				break;
 			}
 
-			case SM_WIDGET_ZOOM_IN:
-			case SM_WIDGET_ZOOM_OUT: {
-				const NWidgetBase *wid = this->GetWidget<NWidgetBase>(SM_WIDGET_MAP);
+			case WID_SM_ZOOM_IN:
+			case WID_SM_ZOOM_OUT: {
+				const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
 				Point pt = {wid->current_x / 2, wid->current_y / 2};
-				this->SetZoomLevel((widget == SM_WIDGET_ZOOM_IN) ? ZLC_ZOOM_IN : ZLC_ZOOM_OUT, &pt);
+				this->SetZoomLevel((widget == WID_SM_ZOOM_IN) ? ZLC_ZOOM_IN : ZLC_ZOOM_OUT, &pt);
 				SndPlayFx(SND_15_BEEP);
 				break;
 			}
 
-			case SM_WIDGET_CONTOUR:    // Show land contours
-			case SM_WIDGET_VEHICLES:   // Show vehicles
-			case SM_WIDGET_INDUSTRIES: // Show industries
-			case SM_WIDGET_ROUTES:     // Show transport routes
-			case SM_WIDGET_VEGETATION: // Show vegetation
-			case SM_WIDGET_OWNERS:     // Show land owners
-				this->SwitchMapType((SmallMapType)(widget - SM_WIDGET_CONTOUR));
+			case WID_SM_CONTOUR:    // Show land contours
+			case WID_SM_VEHICLES:   // Show vehicles
+			case WID_SM_INDUSTRIES: // Show industries
+			case WID_SM_ROUTES:     // Show transport routes
+			case WID_SM_VEGETATION: // Show vegetation
+			case WID_SM_OWNERS:     // Show land owners
+				this->SwitchMapType((SmallMapType)(widget - WID_SM_CONTOUR));
 				SndPlayFx(SND_15_BEEP);
 				break;
 
-			case SM_WIDGET_CENTERMAP: // Center the smallmap again
+			case WID_SM_CENTERMAP: // Center the smallmap again
 				this->SmallMapCenterOnCurrentPos();
-				this->HandleButtonClick(SM_WIDGET_CENTERMAP);
+				this->HandleButtonClick(WID_SM_CENTERMAP);
 				SndPlayFx(SND_15_BEEP);
 				break;
 
-			case SM_WIDGET_TOGGLETOWNNAME: // Toggle town names
+			case WID_SM_TOGGLETOWNNAME: // Toggle town names
 				this->show_towns = !this->show_towns;
-				this->SetWidgetLoweredState(SM_WIDGET_TOGGLETOWNNAME, this->show_towns);
+				this->SetWidgetLoweredState(WID_SM_TOGGLETOWNNAME, this->show_towns);
 
 				this->SetDirty();
 				SndPlayFx(SND_15_BEEP);
 				break;
 
-			case SM_WIDGET_LEGEND: // Legend
+			case WID_SM_LEGEND: // Legend
 				if (this->map_type == SMT_INDUSTRY || this->map_type == SMT_OWNER) {
-					const NWidgetBase *wi = this->GetWidget<NWidgetBase>(SM_WIDGET_LEGEND); // Label panel
+					const NWidgetBase *wi = this->GetWidget<NWidgetBase>(WID_SM_LEGEND); // Label panel
 					uint line = (pt.y - wi->pos_y - WD_FRAMERECT_TOP) / FONT_HEIGHT_SMALL;
 					uint columns = this->GetNumberColumnsLegend(wi->current_x);
 					uint number_of_rows = max(CeilDiv(max(_smallmap_company_count, _smallmap_industry_count), columns), this->min_number_of_fixed_rows);
@@ -1388,7 +1388,7 @@ public:
 				}
 				break;
 
-			case SM_WIDGET_ENABLE_ALL:
+			case WID_SM_ENABLE_ALL:
 				if (this->map_type == SMT_INDUSTRY) {
 					for (int i = 0; i != _smallmap_industry_count; i++) {
 						_legend_from_industries[i].show_on_map = true;
@@ -1401,7 +1401,7 @@ public:
 				this->SetDirty();
 				break;
 
-			case SM_WIDGET_DISABLE_ALL:
+			case WID_SM_DISABLE_ALL:
 				if (this->map_type == SMT_INDUSTRY) {
 					for (int i = 0; i != _smallmap_industry_count; i++) {
 						_legend_from_industries[i].show_on_map = false;
@@ -1414,9 +1414,9 @@ public:
 				this->SetDirty();
 				break;
 
-			case SM_WIDGET_SHOW_HEIGHT: // Enable/disable showing of heightmap.
+			case WID_SM_SHOW_HEIGHT: // Enable/disable showing of heightmap.
 				_smallmap_show_heightmap = !_smallmap_show_heightmap;
-				this->SetWidgetLoweredState(SM_WIDGET_SHOW_HEIGHT, _smallmap_show_heightmap);
+				this->SetWidgetLoweredState(WID_SM_SHOW_HEIGHT, _smallmap_show_heightmap);
 				this->SetDirty();
 				break;
 		}
@@ -1455,7 +1455,7 @@ public:
 
 	virtual bool OnRightClick(Point pt, int widget)
 	{
-		if (widget != SM_WIDGET_MAP || _scrolling_viewport) return false;
+		if (widget != WID_SM_MAP || _scrolling_viewport) return false;
 
 		_scrolling_viewport = true;
 		return true;
@@ -1464,7 +1464,7 @@ public:
 	virtual void OnMouseWheel(int wheel)
 	{
 		if (_settings_client.gui.scrollwheel_scrolling == 0) {
-			const NWidgetBase *wid = this->GetWidget<NWidgetBase>(SM_WIDGET_MAP);
+			const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
 			int cursor_x = _cursor.pos.x - this->left - wid->pos_x;
 			int cursor_y = _cursor.pos.y - this->top  - wid->pos_y;
 			if (IsInsideMM(cursor_x, 0, wid->current_x) && IsInsideMM(cursor_y, 0, wid->current_y)) {
@@ -1492,7 +1492,7 @@ public:
 	 */
 	void SetNewScroll(int sx, int sy, int sub)
 	{
-		const NWidgetBase *wi = this->GetWidget<NWidgetBase>(SM_WIDGET_MAP);
+		const NWidgetBase *wi = this->GetWidget<NWidgetBase>(WID_SM_MAP);
 		Point hv = InverseRemapCoords(wi->current_x * ZOOM_LVL_BASE * TILE_SIZE / 2, wi->current_y * ZOOM_LVL_BASE * TILE_SIZE / 2);
 		hv.x *= this->zoom;
 		hv.y *= this->zoom;
@@ -1537,7 +1537,7 @@ public:
 		Point pt = InverseRemapCoords(vp->virtual_left + vp->virtual_width  / 2, vp->virtual_top  + vp->virtual_height / 2);
 
 		int sub;
-		const NWidgetBase *wid = this->GetWidget<NWidgetBase>(SM_WIDGET_MAP);
+		const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
 		Point sxy = this->ComputeScroll(pt.x / TILE_SIZE, pt.y / TILE_SIZE, max(0, (int)wid->current_x / 2 - 2), wid->current_y / 2, &sub);
 		this->SetNewScroll(sxy.x, sxy.y, sub);
 		this->SetDirty();
@@ -1622,8 +1622,8 @@ public:
 
 /** Widget parts of the smallmap display. */
 static const NWidgetPart _nested_smallmap_display[] = {
-	NWidget(WWT_PANEL, COLOUR_BROWN, SM_WIDGET_MAP_BORDER),
-		NWidget(WWT_INSET, COLOUR_BROWN, SM_WIDGET_MAP), SetMinimalSize(346, 140), SetResize(1, 1), SetPadding(2, 2, 2, 2), EndContainer(),
+	NWidget(WWT_PANEL, COLOUR_BROWN, WID_SM_MAP_BORDER),
+		NWidget(WWT_INSET, COLOUR_BROWN, WID_SM_MAP), SetMinimalSize(346, 140), SetResize(1, 1), SetPadding(2, 2, 2, 2), EndContainer(),
 	EndContainer(),
 };
 
@@ -1631,32 +1631,32 @@ static const NWidgetPart _nested_smallmap_display[] = {
 static const NWidgetPart _nested_smallmap_bar[] = {
 	NWidget(WWT_PANEL, COLOUR_BROWN),
 		NWidget(NWID_HORIZONTAL),
-			NWidget(WWT_EMPTY, INVALID_COLOUR, SM_WIDGET_LEGEND), SetResize(1, 1),
+			NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SM_LEGEND), SetResize(1, 1),
 			NWidget(NWID_VERTICAL),
 				/* Top button row. */
 				NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
-					NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, SM_WIDGET_ZOOM_IN),
+					NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_ZOOM_IN),
 							SetDataTip(SPR_IMG_ZOOMIN, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_IN), SetFill(1, 1),
-					NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, SM_WIDGET_CENTERMAP),
+					NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_CENTERMAP),
 							SetDataTip(SPR_IMG_SMALLMAP, STR_SMALLMAP_CENTER), SetFill(1, 1),
-					NWidget(WWT_IMGBTN, COLOUR_BROWN, SM_WIDGET_CONTOUR),
+					NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_CONTOUR),
 							SetDataTip(SPR_IMG_SHOW_COUNTOURS, STR_SMALLMAP_TOOLTIP_SHOW_LAND_CONTOURS_ON_MAP), SetFill(1, 1),
-					NWidget(WWT_IMGBTN, COLOUR_BROWN, SM_WIDGET_VEHICLES),
+					NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_VEHICLES),
 							SetDataTip(SPR_IMG_SHOW_VEHICLES, STR_SMALLMAP_TOOLTIP_SHOW_VEHICLES_ON_MAP), SetFill(1, 1),
-					NWidget(WWT_IMGBTN, COLOUR_BROWN, SM_WIDGET_INDUSTRIES),
+					NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_INDUSTRIES),
 							SetDataTip(SPR_IMG_INDUSTRY, STR_SMALLMAP_TOOLTIP_SHOW_INDUSTRIES_ON_MAP), SetFill(1, 1),
 				EndContainer(),
 				/* Bottom button row. */
 				NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
-					NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, SM_WIDGET_ZOOM_OUT),
+					NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_ZOOM_OUT),
 							SetDataTip(SPR_IMG_ZOOMOUT, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_OUT), SetFill(1, 1),
-					NWidget(WWT_IMGBTN, COLOUR_BROWN, SM_WIDGET_TOGGLETOWNNAME),
+					NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_TOGGLETOWNNAME),
 							SetDataTip(SPR_IMG_TOWN, STR_SMALLMAP_TOOLTIP_TOGGLE_TOWN_NAMES_ON_OFF), SetFill(1, 1),
-					NWidget(WWT_IMGBTN, COLOUR_BROWN, SM_WIDGET_ROUTES),
+					NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_ROUTES),
 							SetDataTip(SPR_IMG_SHOW_ROUTES, STR_SMALLMAP_TOOLTIP_SHOW_TRANSPORT_ROUTES_ON), SetFill(1, 1),
-					NWidget(WWT_IMGBTN, COLOUR_BROWN, SM_WIDGET_VEGETATION),
+					NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_VEGETATION),
 							SetDataTip(SPR_IMG_PLANTTREES, STR_SMALLMAP_TOOLTIP_SHOW_VEGETATION_ON_MAP), SetFill(1, 1),
-					NWidget(WWT_IMGBTN, COLOUR_BROWN, SM_WIDGET_OWNERS),
+					NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_OWNERS),
 							SetDataTip(SPR_IMG_COMPANY_GENERAL, STR_SMALLMAP_TOOLTIP_SHOW_LAND_OWNERS_ON_MAP), SetFill(1, 1),
 				EndContainer(),
 				NWidget(NWID_SPACER), SetResize(0, 1),
@@ -1678,7 +1678,7 @@ static NWidgetBase *SmallMapDisplay(int *biggest_index)
 static const NWidgetPart _nested_smallmap_widgets[] = {
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
-		NWidget(WWT_CAPTION, COLOUR_BROWN, SM_WIDGET_CAPTION), SetDataTip(STR_SMALLMAP_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
+		NWidget(WWT_CAPTION, COLOUR_BROWN, WID_SM_CAPTION), SetDataTip(STR_SMALLMAP_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 		NWidget(WWT_SHADEBOX, COLOUR_BROWN),
 		NWidget(WWT_STICKYBOX, COLOUR_BROWN),
 	EndContainer(),
@@ -1687,11 +1687,11 @@ static const NWidgetPart _nested_smallmap_widgets[] = {
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_PANEL, COLOUR_BROWN),
 			NWidget(NWID_HORIZONTAL),
-				NWidget(NWID_SELECTION, INVALID_COLOUR, SM_WIDGET_SELECT_BUTTONS),
+				NWidget(NWID_SELECTION, INVALID_COLOUR, WID_SM_SELECT_BUTTONS),
 					NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
-						NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, SM_WIDGET_ENABLE_ALL), SetDataTip(STR_SMALLMAP_ENABLE_ALL, STR_NULL),
-						NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, SM_WIDGET_DISABLE_ALL), SetDataTip(STR_SMALLMAP_DISABLE_ALL, STR_NULL),
-						NWidget(WWT_TEXTBTN, COLOUR_BROWN, SM_WIDGET_SHOW_HEIGHT), SetDataTip(STR_SMALLMAP_SHOW_HEIGHT, STR_SMALLMAP_TOOLTIP_SHOW_HEIGHT),
+						NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_SM_ENABLE_ALL), SetDataTip(STR_SMALLMAP_ENABLE_ALL, STR_NULL),
+						NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_SM_DISABLE_ALL), SetDataTip(STR_SMALLMAP_DISABLE_ALL, STR_NULL),
+						NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_SM_SHOW_HEIGHT), SetDataTip(STR_SMALLMAP_SHOW_HEIGHT, STR_SMALLMAP_TOOLTIP_SHOW_HEIGHT),
 					EndContainer(),
 					NWidget(NWID_SPACER), SetFill(1, 1),
 				EndContainer(),
diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
index 74223f6fa..c2de53bde 100644
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -615,7 +615,7 @@ void UpdateStationAcceptance(Station *st, bool show_msg)
 	}
 
 	/* redraw the station view since acceptance changed */
-	SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_ACCEPTLIST);
+	SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_ACCEPT_RATING_LIST);
 }
 
 static void UpdateStationSignCoord(BaseStation *st)
@@ -1297,7 +1297,7 @@ CommandCost CmdBuildRailStation(TileIndex tile_org, DoCommandFlag flags, uint32
 		st->RecomputeIndustriesNear();
 		InvalidateWindowData(WC_SELECT_STATION, 0, 0);
 		InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
-		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_TRAINS);
+		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
 		DirtyCompanyInfrastructureWindows(st->owner);
 	}
 
@@ -1461,7 +1461,7 @@ CommandCost RemoveFromRailBaseStation(TileArea ta, SmallVector<T *, 4> &affected
 		/* if we deleted the whole station, delete the train facility. */
 		if (st->train_station.tile == INVALID_TILE) {
 			st->facilities &= ~FACIL_TRAIN;
-			SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_TRAINS);
+			SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
 			st->UpdateVirtCoord();
 			DeleteStationIfEmpty(st);
 		}
@@ -1497,7 +1497,7 @@ CommandCost CmdRemoveFromRailStation(TileIndex start, DoCommandFlag flags, uint3
 	for (Station **stp = affected_stations.Begin(); stp != affected_stations.End(); stp++) {
 		Station *st = *stp;
 
-		if (st->train_station.tile == INVALID_TILE) SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_TRAINS);
+		if (st->train_station.tile == INVALID_TILE) SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
 		st->MarkTilesDirty(false);
 		st->RecomputeIndustriesNear();
 	}
@@ -1592,7 +1592,7 @@ CommandCost RemoveRailStation(T *st, DoCommandFlag flags)
 		st->cached_anim_triggers = 0;
 
 		DirtyCompanyInfrastructureWindows(st->owner);
-		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_TRAINS);
+		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
 		st->UpdateVirtCoord();
 		DeleteStationIfEmpty(st);
 	}
@@ -1828,7 +1828,7 @@ CommandCost CmdBuildRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uin
 		st->RecomputeIndustriesNear();
 		InvalidateWindowData(WC_SELECT_STATION, 0, 0);
 		InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
-		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_ROADVEHS);
+		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_ROADVEHS);
 	}
 	return cost;
 }
@@ -1922,7 +1922,7 @@ static CommandCost RemoveRoadStop(TileIndex tile, DoCommandFlag flags)
 			DoClearSquare(tile);
 		}
 
-		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_ROADVEHS);
+		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_ROADVEHS);
 		delete cur_stop;
 
 		/* Make sure no vehicle is going to the old roadstop */
@@ -2263,7 +2263,7 @@ CommandCost CmdBuildAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint
 		st->RecomputeIndustriesNear();
 		InvalidateWindowData(WC_SELECT_STATION, 0, 0);
 		InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
-		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_PLANES);
+		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_PLANES);
 
 		if (_settings_game.economy.station_noise_level) {
 			SetWindowDirty(WC_TOWN_VIEW, st->town->index);
@@ -2339,7 +2339,7 @@ static CommandCost RemoveAirport(TileIndex tile, DoCommandFlag flags)
 		st->airport.Clear();
 		st->facilities &= ~FACIL_AIRPORT;
 
-		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_PLANES);
+		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_PLANES);
 
 		if (_settings_game.economy.station_noise_level) {
 			SetWindowDirty(WC_TOWN_VIEW, st->town->index);
@@ -2503,7 +2503,7 @@ CommandCost CmdBuildDock(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
 		st->RecomputeIndustriesNear();
 		InvalidateWindowData(WC_SELECT_STATION, 0, 0);
 		InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
-		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_SHIPS);
+		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_SHIPS);
 	}
 
 	return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_STATION_DOCK]);
@@ -2542,7 +2542,7 @@ static CommandCost RemoveDock(TileIndex tile, DoCommandFlag flags)
 		Company::Get(st->owner)->infrastructure.station -= 2;
 		DirtyCompanyInfrastructureWindows(st->owner);
 
-		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_SHIPS);
+		SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_SHIPS);
 		st->UpdateVirtCoord();
 		st->RecomputeIndustriesNear();
 		DeleteStationIfEmpty(st);
@@ -3239,7 +3239,7 @@ static void UpdateStationRating(Station *st)
 	if (waiting_changed) {
 		SetWindowDirty(WC_STATION_VIEW, index); // update whole window
 	} else {
-		SetWindowWidgetDirty(WC_STATION_VIEW, index, SVW_RATINGLIST); // update only ratings list
+		SetWindowWidgetDirty(WC_STATION_VIEW, index, WID_SV_ACCEPT_RATING_LIST); // update only ratings list
 	}
 }
 
diff --git a/src/station_gui.cpp b/src/station_gui.cpp
index 3fc28cfff..76df154e1 100644
--- a/src/station_gui.cpp
+++ b/src/station_gui.cpp
@@ -314,7 +314,7 @@ protected:
 		this->last_station = NULL;
 
 		/* Set the modified widget dirty */
-		this->SetWidgetDirty(SLW_LIST);
+		this->SetWidgetDirty(WID_SL_LIST);
 	}
 
 public:
@@ -327,23 +327,23 @@ public:
 		this->SortStationsList();
 
 		this->CreateNestedTree(desc);
-		this->vscroll = this->GetScrollbar(SLW_SCROLLBAR);
+		this->vscroll = this->GetScrollbar(WID_SL_SCROLLBAR);
 		this->FinishInitNested(desc, window_number);
 		this->owner = (Owner)this->window_number;
 
 		CargoID cid;
 		FOR_EACH_SET_CARGO_ID(cid, this->cargo_filter) {
-			if (CargoSpec::Get(cid)->IsValid()) this->LowerWidget(SLW_CARGOSTART + cid);
+			if (CargoSpec::Get(cid)->IsValid()) this->LowerWidget(WID_SL_CARGOSTART + cid);
 		}
 
 		if (this->cargo_filter == this->cargo_filter_max) this->cargo_filter = _cargo_mask;
 
 		for (uint i = 0; i < 5; i++) {
-			if (HasBit(this->facilities, i)) this->LowerWidget(i + SLW_TRAIN);
+			if (HasBit(this->facilities, i)) this->LowerWidget(i + WID_SL_TRAIN);
 		}
-		this->SetWidgetLoweredState(SLW_NOCARGOWAITING, this->include_empty);
+		this->SetWidgetLoweredState(WID_SL_NOCARGOWAITING, this->include_empty);
 
-		this->GetWidget<NWidgetCore>(SLW_SORTDROPBTN)->widget_data = this->sorter_names[this->stations.SortType()];
+		this->GetWidget<NWidgetCore>(WID_SL_SORTDROPBTN)->widget_data = this->sorter_names[this->stations.SortType()];
 	}
 
 	~CompanyStationsWindow()
@@ -354,7 +354,7 @@ public:
 	virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
 	{
 		switch (widget) {
-			case SLW_SORTBY: {
+			case WID_SL_SORTBY: {
 				Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
 				d.width += padding.width + WD_SORTBUTTON_ARROW_WIDTH * 2; // Doubled since the string is centred and it also looks better.
 				d.height += padding.height;
@@ -362,7 +362,7 @@ public:
 				break;
 			}
 
-			case SLW_SORTDROPBTN: {
+			case WID_SL_SORTDROPBTN: {
 				Dimension d = {0, 0};
 				for (int i = 0; this->sorter_names[i] != INVALID_STRING_ID; i++) {
 					d = maxdim(d, GetStringBoundingBox(this->sorter_names[i]));
@@ -373,23 +373,23 @@ public:
 				break;
 			}
 
-			case SLW_LIST:
+			case WID_SL_LIST:
 				resize->height = FONT_HEIGHT_NORMAL;
 				size->height = WD_FRAMERECT_TOP + 5 * resize->height + WD_FRAMERECT_BOTTOM;
 				break;
 
-			case SLW_TRAIN:
-			case SLW_TRUCK:
-			case SLW_BUS:
-			case SLW_AIRPLANE:
-			case SLW_SHIP:
+			case WID_SL_TRAIN:
+			case WID_SL_TRUCK:
+			case WID_SL_BUS:
+			case WID_SL_AIRPLANE:
+			case WID_SL_SHIP:
 				size->height = max<uint>(FONT_HEIGHT_SMALL, 10) + padding.height;
 				break;
 
-			case SLW_CARGOALL:
-			case SLW_FACILALL:
-			case SLW_NOCARGOWAITING: {
-				Dimension d = GetStringBoundingBox(widget == SLW_NOCARGOWAITING ? STR_ABBREV_NONE : STR_ABBREV_ALL);
+			case WID_SL_CARGOALL:
+			case WID_SL_FACILALL:
+			case WID_SL_NOCARGOWAITING: {
+				Dimension d = GetStringBoundingBox(widget == WID_SL_NOCARGOWAITING ? STR_ABBREV_NONE : STR_ABBREV_ALL);
 				d.width  += padding.width + 2;
 				d.height += padding.height;
 				*size = maxdim(*size, d);
@@ -397,8 +397,8 @@ public:
 			}
 
 			default:
-				if (widget >= SLW_CARGOSTART) {
-					const CargoSpec *cs = CargoSpec::Get(widget - SLW_CARGOSTART);
+				if (widget >= WID_SL_CARGOSTART) {
+					const CargoSpec *cs = CargoSpec::Get(widget - WID_SL_CARGOSTART);
 					if (cs->IsValid()) {
 						Dimension d = GetStringBoundingBox(cs->abbrev);
 						d.width  += padding.width + 2;
@@ -421,12 +421,12 @@ public:
 	virtual void DrawWidget(const Rect &r, int widget) const
 	{
 		switch (widget) {
-			case SLW_SORTBY:
+			case WID_SL_SORTBY:
 				/* draw arrow pointing up/down for ascending/descending sorting */
-				this->DrawSortButtonState(SLW_SORTBY, this->stations.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
+				this->DrawSortButtonState(WID_SL_SORTBY, this->stations.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
 				break;
 
-			case SLW_LIST: {
+			case WID_SL_LIST: {
 				bool rtl = _current_text_dir == TD_RTL;
 				int max = min(this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->stations.Length());
 				int y = r.top + WD_FRAMERECT_TOP;
@@ -471,27 +471,27 @@ public:
 				break;
 			}
 
-			case SLW_NOCARGOWAITING: {
+			case WID_SL_NOCARGOWAITING: {
 				int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
 				DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_NONE, TC_BLACK, SA_HOR_CENTER);
 				break;
 			}
 
-			case SLW_CARGOALL: {
+			case WID_SL_CARGOALL: {
 				int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
 				DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_ALL, TC_BLACK, SA_HOR_CENTER);
 				break;
 			}
 
-			case SLW_FACILALL: {
+			case WID_SL_FACILALL: {
 				int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
 				DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_ALL, TC_BLACK);
 				break;
 			}
 
 			default:
-				if (widget >= SLW_CARGOSTART) {
-					const CargoSpec *cs = CargoSpec::Get(widget - SLW_CARGOSTART);
+				if (widget >= WID_SL_CARGOSTART) {
+					const CargoSpec *cs = CargoSpec::Get(widget - WID_SL_CARGOSTART);
 					if (cs->IsValid()) {
 						int cg_ofst = HasBit(this->cargo_filter, cs->Index()) ? 2 : 1;
 						GfxFillRect(r.left + cg_ofst, r.top + cg_ofst, r.right - 2 + cg_ofst, r.bottom - 2 + cg_ofst, cs->rating_colour);
@@ -504,7 +504,7 @@ public:
 
 	virtual void SetStringParameters(int widget) const
 	{
-		if (widget == SLW_CAPTION) {
+		if (widget == WID_SL_CAPTION) {
 			SetDParam(0, this->window_number);
 			SetDParam(1, this->vscroll->GetCount());
 		}
@@ -513,8 +513,8 @@ public:
 	virtual void OnClick(Point pt, int widget, int click_count)
 	{
 		switch (widget) {
-			case SLW_LIST: {
-				uint id_v = this->vscroll->GetScrolledRowFromWidget(pt.y, this, SLW_LIST, 0, FONT_HEIGHT_NORMAL);
+			case WID_SL_LIST: {
+				uint id_v = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_SL_LIST, 0, FONT_HEIGHT_NORMAL);
 				if (id_v >= this->stations.Length()) return; // click out of list bound
 
 				const Station *st = this->stations[id_v];
@@ -529,28 +529,28 @@ public:
 				break;
 			}
 
-			case SLW_TRAIN:
-			case SLW_TRUCK:
-			case SLW_BUS:
-			case SLW_AIRPLANE:
-			case SLW_SHIP:
+			case WID_SL_TRAIN:
+			case WID_SL_TRUCK:
+			case WID_SL_BUS:
+			case WID_SL_AIRPLANE:
+			case WID_SL_SHIP:
 				if (_ctrl_pressed) {
-					ToggleBit(this->facilities, widget - SLW_TRAIN);
+					ToggleBit(this->facilities, widget - WID_SL_TRAIN);
 					this->ToggleWidgetLoweredState(widget);
 				} else {
 					uint i;
 					FOR_EACH_SET_BIT(i, this->facilities) {
-						this->RaiseWidget(i + SLW_TRAIN);
+						this->RaiseWidget(i + WID_SL_TRAIN);
 					}
-					this->facilities = 1 << (widget - SLW_TRAIN);
+					this->facilities = 1 << (widget - WID_SL_TRAIN);
 					this->LowerWidget(widget);
 				}
 				this->stations.ForceRebuild();
 				this->SetDirty();
 				break;
 
-			case SLW_FACILALL:
-				for (uint i = SLW_TRAIN; i <= SLW_SHIP; i++) {
+			case WID_SL_FACILALL:
+				for (uint i = WID_SL_TRAIN; i <= WID_SL_SHIP; i++) {
 					this->LowerWidget(i);
 				}
 
@@ -559,12 +559,12 @@ public:
 				this->SetDirty();
 				break;
 
-			case SLW_CARGOALL: {
+			case WID_SL_CARGOALL: {
 				for (uint i = 0; i < NUM_CARGO; i++) {
 					const CargoSpec *cs = CargoSpec::Get(i);
-					if (cs->IsValid()) this->LowerWidget(SLW_CARGOSTART + i);
+					if (cs->IsValid()) this->LowerWidget(WID_SL_CARGOSTART + i);
 				}
-				this->LowerWidget(SLW_NOCARGOWAITING);
+				this->LowerWidget(WID_SL_NOCARGOWAITING);
 
 				this->cargo_filter = _cargo_mask;
 				this->include_empty = true;
@@ -573,40 +573,40 @@ public:
 				break;
 			}
 
-			case SLW_SORTBY: // flip sorting method asc/desc
+			case WID_SL_SORTBY: // flip sorting method asc/desc
 				this->stations.ToggleSortOrder();
 				this->SetTimeout();
-				this->LowerWidget(SLW_SORTBY);
+				this->LowerWidget(WID_SL_SORTBY);
 				this->SetDirty();
 				break;
 
-			case SLW_SORTDROPBTN: // select sorting criteria dropdown menu
-				ShowDropDownMenu(this, this->sorter_names, this->stations.SortType(), SLW_SORTDROPBTN, 0, 0);
+			case WID_SL_SORTDROPBTN: // select sorting criteria dropdown menu
+				ShowDropDownMenu(this, this->sorter_names, this->stations.SortType(), WID_SL_SORTDROPBTN, 0, 0);
 				break;
 
-			case SLW_NOCARGOWAITING:
+			case WID_SL_NOCARGOWAITING:
 				if (_ctrl_pressed) {
 					this->include_empty = !this->include_empty;
-					this->ToggleWidgetLoweredState(SLW_NOCARGOWAITING);
+					this->ToggleWidgetLoweredState(WID_SL_NOCARGOWAITING);
 				} else {
 					for (uint i = 0; i < NUM_CARGO; i++) {
 						const CargoSpec *cs = CargoSpec::Get(i);
-						if (cs->IsValid()) this->RaiseWidget(SLW_CARGOSTART + i);
+						if (cs->IsValid()) this->RaiseWidget(WID_SL_CARGOSTART + i);
 					}
 
 					this->cargo_filter = 0;
 					this->include_empty = true;
 
-					this->LowerWidget(SLW_NOCARGOWAITING);
+					this->LowerWidget(WID_SL_NOCARGOWAITING);
 				}
 				this->stations.ForceRebuild();
 				this->SetDirty();
 				break;
 
 			default:
-				if (widget >= SLW_CARGOSTART) { // change cargo_filter
+				if (widget >= WID_SL_CARGOSTART) { // change cargo_filter
 					/* Determine the selected cargo type */
-					const CargoSpec *cs = CargoSpec::Get(widget - SLW_CARGOSTART);
+					const CargoSpec *cs = CargoSpec::Get(widget - WID_SL_CARGOSTART);
 					if (!cs->IsValid()) break;
 
 					if (_ctrl_pressed) {
@@ -615,9 +615,9 @@ public:
 					} else {
 						for (uint i = 0; i < NUM_CARGO; i++) {
 							const CargoSpec *cs = CargoSpec::Get(i);
-							if (cs->IsValid()) this->RaiseWidget(SLW_CARGOSTART + i);
+							if (cs->IsValid()) this->RaiseWidget(WID_SL_CARGOSTART + i);
 						}
-						this->RaiseWidget(SLW_NOCARGOWAITING);
+						this->RaiseWidget(WID_SL_NOCARGOWAITING);
 
 						this->cargo_filter = 0;
 						this->include_empty = false;
@@ -638,7 +638,7 @@ public:
 			this->stations.SetSortType(index);
 
 			/* Display the current sort variant */
-			this->GetWidget<NWidgetCore>(SLW_SORTDROPBTN)->widget_data = this->sorter_names[this->stations.SortType()];
+			this->GetWidget<NWidgetCore>(WID_SL_SORTDROPBTN)->widget_data = this->sorter_names[this->stations.SortType()];
 
 			this->SetDirty();
 		}
@@ -655,13 +655,13 @@ public:
 
 	virtual void OnTimeout()
 	{
-		this->RaiseWidget(SLW_SORTBY);
+		this->RaiseWidget(WID_SL_SORTBY);
 		this->SetDirty();
 	}
 
 	virtual void OnResize()
 	{
-		this->vscroll->SetCapacityFromWidget(this, SLW_LIST, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
+		this->vscroll->SetCapacityFromWidget(this, WID_SL_LIST, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
 	}
 
 	/**
@@ -707,7 +707,7 @@ const StringID CompanyStationsWindow::sorter_names[] = {
 };
 
 /**
- * Make a horizontal row of cargo buttons, starting at widget #SLW_CARGOSTART.
+ * Make a horizontal row of cargo buttons, starting at widget #WID_SL_CARGOSTART.
  * @param biggest_index Pointer to store biggest used widget number of the buttons.
  * @return Horizontal row.
  */
@@ -718,53 +718,53 @@ static NWidgetBase *CargoWidgets(int *biggest_index)
 	for (uint i = 0; i < NUM_CARGO; i++) {
 		const CargoSpec *cs = CargoSpec::Get(i);
 		if (cs->IsValid()) {
-			NWidgetBackground *panel = new NWidgetBackground(WWT_PANEL, COLOUR_GREY, SLW_CARGOSTART + i);
+			NWidgetBackground *panel = new NWidgetBackground(WWT_PANEL, COLOUR_GREY, WID_SL_CARGOSTART + i);
 			panel->SetMinimalSize(14, 11);
 			panel->SetResize(0, 0);
 			panel->SetFill(0, 1);
 			panel->SetDataTip(0, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE);
 			container->Add(panel);
 		} else {
-			NWidgetLeaf *nwi = new NWidgetLeaf(WWT_EMPTY, COLOUR_GREY, SLW_CARGOSTART + i, 0x0, STR_NULL);
+			NWidgetLeaf *nwi = new NWidgetLeaf(WWT_EMPTY, COLOUR_GREY, WID_SL_CARGOSTART + i, 0x0, STR_NULL);
 			nwi->SetMinimalSize(0, 11);
 			nwi->SetResize(0, 0);
 			nwi->SetFill(0, 1);
 			container->Add(nwi);
 		}
 	}
-	*biggest_index = SLW_CARGOSTART + NUM_CARGO;
+	*biggest_index = WID_SL_CARGOSTART + NUM_CARGO;
 	return container;
 }
 
 static const NWidgetPart _nested_company_stations_widgets[] = {
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_CLOSEBOX, COLOUR_GREY),
-		NWidget(WWT_CAPTION, COLOUR_GREY, SLW_CAPTION), SetDataTip(STR_STATION_LIST_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
+		NWidget(WWT_CAPTION, COLOUR_GREY, WID_SL_CAPTION), SetDataTip(STR_STATION_LIST_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 		NWidget(WWT_SHADEBOX, COLOUR_GREY),
 		NWidget(WWT_STICKYBOX, COLOUR_GREY),
 	EndContainer(),
 	NWidget(NWID_HORIZONTAL),
-		NWidget(WWT_TEXTBTN, COLOUR_GREY, SLW_TRAIN), SetMinimalSize(14, 11), SetDataTip(STR_TRAIN, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
-		NWidget(WWT_TEXTBTN, COLOUR_GREY, SLW_TRUCK), SetMinimalSize(14, 11), SetDataTip(STR_LORRY, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
-		NWidget(WWT_TEXTBTN, COLOUR_GREY, SLW_BUS), SetMinimalSize(14, 11), SetDataTip(STR_BUS, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
-		NWidget(WWT_TEXTBTN, COLOUR_GREY, SLW_SHIP), SetMinimalSize(14, 11), SetDataTip(STR_SHIP, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
-		NWidget(WWT_TEXTBTN, COLOUR_GREY, SLW_AIRPLANE), SetMinimalSize(14, 11), SetDataTip(STR_PLANE, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
-		NWidget(WWT_PUSHBTN, COLOUR_GREY, SLW_FACILALL), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_SELECT_ALL_FACILITIES), SetFill(0, 1),
+		NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_SL_TRAIN), SetMinimalSize(14, 11), SetDataTip(STR_TRAIN, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
+		NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_SL_TRUCK), SetMinimalSize(14, 11), SetDataTip(STR_LORRY, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
+		NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_SL_BUS), SetMinimalSize(14, 11), SetDataTip(STR_BUS, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
+		NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_SL_SHIP), SetMinimalSize(14, 11), SetDataTip(STR_SHIP, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
+		NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_SL_AIRPLANE), SetMinimalSize(14, 11), SetDataTip(STR_PLANE, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
+		NWidget(WWT_PUSHBTN, COLOUR_GREY, WID_SL_FACILALL), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_SELECT_ALL_FACILITIES), SetFill(0, 1),
 		NWidget(WWT_PANEL, COLOUR_GREY), SetMinimalSize(5, 11), SetFill(0, 1), EndContainer(),
 		NWidgetFunction(CargoWidgets),
-		NWidget(WWT_PANEL, COLOUR_GREY, SLW_NOCARGOWAITING), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_NO_WAITING_CARGO), SetFill(0, 1), EndContainer(),
-		NWidget(WWT_PUSHBTN, COLOUR_GREY, SLW_CARGOALL), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_SELECT_ALL_TYPES), SetFill(0, 1),
+		NWidget(WWT_PANEL, COLOUR_GREY, WID_SL_NOCARGOWAITING), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_NO_WAITING_CARGO), SetFill(0, 1), EndContainer(),
+		NWidget(WWT_PUSHBTN, COLOUR_GREY, WID_SL_CARGOALL), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_SELECT_ALL_TYPES), SetFill(0, 1),
 		NWidget(WWT_PANEL, COLOUR_GREY), SetDataTip(0x0, STR_NULL), SetResize(1, 0), SetFill(1, 1), EndContainer(),
 	EndContainer(),
 	NWidget(NWID_HORIZONTAL),
-		NWidget(WWT_TEXTBTN, COLOUR_GREY, SLW_SORTBY), SetMinimalSize(81, 12), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
-		NWidget(WWT_DROPDOWN, COLOUR_GREY, SLW_SORTDROPBTN), SetMinimalSize(163, 12), SetDataTip(STR_SORT_BY_NAME, STR_TOOLTIP_SORT_CRITERIA), // widget_data gets overwritten.
+		NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_SL_SORTBY), SetMinimalSize(81, 12), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
+		NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_SL_SORTDROPBTN), SetMinimalSize(163, 12), SetDataTip(STR_SORT_BY_NAME, STR_TOOLTIP_SORT_CRITERIA), // widget_data gets overwritten.
 		NWidget(WWT_PANEL, COLOUR_GREY), SetDataTip(0x0, STR_NULL), SetResize(1, 0), SetFill(1, 1), EndContainer(),
 	EndContainer(),
 	NWidget(NWID_HORIZONTAL),
-		NWidget(WWT_PANEL, COLOUR_GREY, SLW_LIST), SetMinimalSize(346, 125), SetResize(1, 10), SetDataTip(0x0, STR_STATION_LIST_TOOLTIP), SetScrollbar(SLW_SCROLLBAR), EndContainer(),
+		NWidget(WWT_PANEL, COLOUR_GREY, WID_SL_LIST), SetMinimalSize(346, 125), SetResize(1, 10), SetDataTip(0x0, STR_STATION_LIST_TOOLTIP), SetScrollbar(WID_SL_SCROLLBAR), EndContainer(),
 		NWidget(NWID_VERTICAL),
-			NWidget(NWID_VSCROLLBAR, COLOUR_GREY, SLW_SCROLLBAR),
+			NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_SL_SCROLLBAR),
 			NWidget(WWT_RESIZEBOX, COLOUR_GREY),
 		EndContainer(),
 	EndContainer(),
@@ -792,26 +792,26 @@ void ShowCompanyStations(CompanyID company)
 static const NWidgetPart _nested_station_view_widgets[] = {
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_CLOSEBOX, COLOUR_GREY),
-		NWidget(WWT_CAPTION, COLOUR_GREY, SVW_CAPTION), SetDataTip(STR_STATION_VIEW_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
+		NWidget(WWT_CAPTION, COLOUR_GREY, WID_SV_CAPTION), SetDataTip(STR_STATION_VIEW_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 		NWidget(WWT_SHADEBOX, COLOUR_GREY),
 		NWidget(WWT_STICKYBOX, COLOUR_GREY),
 	EndContainer(),
 	NWidget(NWID_HORIZONTAL),
-		NWidget(WWT_PANEL, COLOUR_GREY, SVW_WAITING), SetMinimalSize(237, 52), SetResize(1, 10), SetScrollbar(SVW_SCROLLBAR), EndContainer(),
-		NWidget(NWID_VSCROLLBAR, COLOUR_GREY, SVW_SCROLLBAR),
+		NWidget(WWT_PANEL, COLOUR_GREY, WID_SV_WAITING), SetMinimalSize(237, 52), SetResize(1, 10), SetScrollbar(WID_SV_SCROLLBAR), EndContainer(),
+		NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_SV_SCROLLBAR),
 	EndContainer(),
-	NWidget(WWT_PANEL, COLOUR_GREY, SVW_ACCEPTLIST), SetMinimalSize(249, 32), SetResize(1, 0), EndContainer(),
+	NWidget(WWT_PANEL, COLOUR_GREY, WID_SV_ACCEPT_RATING_LIST), SetMinimalSize(249, 32), SetResize(1, 0), EndContainer(),
 	NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SVW_LOCATION), SetMinimalSize(60, 12), SetResize(1, 0), SetFill(1, 1),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_LOCATION), SetMinimalSize(60, 12), SetResize(1, 0), SetFill(1, 1),
 				SetDataTip(STR_BUTTON_LOCATION, STR_STATION_VIEW_CENTER_TOOLTIP),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SVW_ACCEPTS), SetMinimalSize(61, 12), SetResize(1, 0), SetFill(1, 1),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_ACCEPTS_RATINGS), SetMinimalSize(61, 12), SetResize(1, 0), SetFill(1, 1),
 				SetDataTip(STR_STATION_VIEW_RATINGS_BUTTON, STR_STATION_VIEW_RATINGS_TOOLTIP),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SVW_RENAME), SetMinimalSize(60, 12), SetResize(1, 0), SetFill(1, 1),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_RENAME), SetMinimalSize(60, 12), SetResize(1, 0), SetFill(1, 1),
 				SetDataTip(STR_BUTTON_RENAME, STR_STATION_VIEW_RENAME_TOOLTIP),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SVW_TRAINS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_TRAIN, STR_STATION_VIEW_SCHEDULED_TRAINS_TOOLTIP),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SVW_ROADVEHS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_LORRY, STR_STATION_VIEW_SCHEDULED_ROAD_VEHICLES_TOOLTIP),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SVW_SHIPS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_SHIP, STR_STATION_VIEW_SCHEDULED_SHIPS_TOOLTIP),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SVW_PLANES),  SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_PLANE, STR_STATION_VIEW_SCHEDULED_AIRCRAFT_TOOLTIP),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_TRAINS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_TRAIN, STR_STATION_VIEW_SCHEDULED_TRAINS_TOOLTIP),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_ROADVEHS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_LORRY, STR_STATION_VIEW_SCHEDULED_ROAD_VEHICLES_TOOLTIP),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_SHIPS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_SHIP, STR_STATION_VIEW_SCHEDULED_SHIPS_TOOLTIP),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_PLANES),  SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_PLANE, STR_STATION_VIEW_SCHEDULED_AIRCRAFT_TOOLTIP),
 		NWidget(WWT_RESIZEBOX, COLOUR_GREY),
 	EndContainer(),
 };
@@ -865,7 +865,7 @@ struct StationViewWindow : public Window {
 	int accepts_lines;            ///< Number of lines in the accepted cargo view.
 	Scrollbar *vscroll;
 
-	/** Height of the #SVW_ACCEPTLIST widget for different views. */
+	/** Height of the #WID_SV_ACCEPT_RATING_LIST widget for different views. */
 	enum AcceptListHeight {
 		ALH_RATING  = 13, ///< Height of the cargo ratings view.
 		ALH_ACCEPTS = 3,  ///< Height of the accepted cargo view.
@@ -877,8 +877,8 @@ struct StationViewWindow : public Window {
 		this->accepts_lines = ALH_ACCEPTS;
 
 		this->CreateNestedTree(desc);
-		this->vscroll = this->GetScrollbar(SVW_SCROLLBAR);
-		/* Nested widget tree creation is done in two steps to ensure that this->GetWidget<NWidgetCore>(SVW_ACCEPTS) exists in UpdateWidgetSize(). */
+		this->vscroll = this->GetScrollbar(WID_SV_SCROLLBAR);
+		/* Nested widget tree creation is done in two steps to ensure that this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS) exists in UpdateWidgetSize(). */
 		this->FinishInitNested(desc, window_number);
 
 		Owner owner = Station::Get(window_number)->owner;
@@ -899,14 +899,14 @@ struct StationViewWindow : public Window {
 	virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
 	{
 		switch (widget) {
-			case SVW_WAITING:
+			case WID_SV_WAITING:
 				resize->height = FONT_HEIGHT_NORMAL;
 				size->height = WD_FRAMERECT_TOP + 5 * resize->height + WD_FRAMERECT_BOTTOM;
 				this->expand_shrink_width = max(GetStringBoundingBox("-").width, GetStringBoundingBox("+").width) + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
 				break;
 
-			case SVW_ACCEPTLIST:
-				size->height = WD_FRAMERECT_TOP + ((this->GetWidget<NWidgetCore>(SVW_ACCEPTS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) ? this->accepts_lines : this->rating_lines) * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM;
+			case WID_SV_ACCEPT_RATING_LIST:
+				size->height = WD_FRAMERECT_TOP + ((this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) ? this->accepts_lines : this->rating_lines) * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM;
 				break;
 		}
 	}
@@ -921,19 +921,19 @@ struct StationViewWindow : public Window {
 
 		/* disable some buttons */
 		const Station *st = Station::Get(this->window_number);
-		this->SetWidgetDisabledState(SVW_RENAME,   st->owner != _local_company);
-		this->SetWidgetDisabledState(SVW_TRAINS,   !(st->facilities & FACIL_TRAIN));
-		this->SetWidgetDisabledState(SVW_ROADVEHS, !(st->facilities & FACIL_TRUCK_STOP) && !(st->facilities & FACIL_BUS_STOP));
-		this->SetWidgetDisabledState(SVW_SHIPS,    !(st->facilities & FACIL_DOCK));
-		this->SetWidgetDisabledState(SVW_PLANES,   !(st->facilities & FACIL_AIRPORT));
+		this->SetWidgetDisabledState(WID_SV_RENAME,   st->owner != _local_company);
+		this->SetWidgetDisabledState(WID_SV_TRAINS,   !(st->facilities & FACIL_TRAIN));
+		this->SetWidgetDisabledState(WID_SV_ROADVEHS, !(st->facilities & FACIL_TRUCK_STOP) && !(st->facilities & FACIL_BUS_STOP));
+		this->SetWidgetDisabledState(WID_SV_SHIPS,    !(st->facilities & FACIL_DOCK));
+		this->SetWidgetDisabledState(WID_SV_PLANES,   !(st->facilities & FACIL_AIRPORT));
 
 		this->DrawWidgets();
 
 		if (!this->IsShaded()) {
 			/* Draw 'accepted cargo' or 'cargo ratings'. */
-			const NWidgetBase *wid = this->GetWidget<NWidgetBase>(SVW_ACCEPTLIST);
+			const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SV_ACCEPT_RATING_LIST);
 			const Rect r = {wid->pos_x, wid->pos_y, wid->pos_x + wid->current_x - 1, wid->pos_y + wid->current_y - 1};
-			if (this->GetWidget<NWidgetCore>(SVW_ACCEPTS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) {
+			if (this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) {
 				int lines = this->DrawAcceptedCargo(r);
 				if (lines > this->accepts_lines) { // Resize the widget, and perform re-initialization of the window.
 					this->accepts_lines = lines;
@@ -950,7 +950,7 @@ struct StationViewWindow : public Window {
 			}
 
 			/* Draw waiting cargo. */
-			NWidgetBase *nwi = this->GetWidget<NWidgetBase>(SVW_WAITING);
+			NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_SV_WAITING);
 			Rect waiting_rect = {nwi->pos_x, nwi->pos_y, nwi->pos_x + nwi->current_x - 1, nwi->pos_y + nwi->current_y - 1};
 			this->DrawWaitingCargo(waiting_rect, cargolist, transfers);
 		}
@@ -958,7 +958,7 @@ struct StationViewWindow : public Window {
 
 	virtual void SetStringParameters(int widget) const
 	{
-		if (widget == SVW_CAPTION) {
+		if (widget == WID_SV_CAPTION) {
 			const Station *st = Station::Get(this->window_number);
 			SetDParam(0, st->index);
 			SetDParam(1, st->facilities);
@@ -1079,7 +1079,7 @@ struct StationViewWindow : public Window {
 	}
 
 	/**
-	 * Draw accepted cargo in the #SVW_ACCEPTLIST widget.
+	 * Draw accepted cargo in the #WID_SV_ACCEPT_RATING_LIST widget.
 	 * @param r Rectangle of the widget.
 	 * @return Number of lines needed for drawing the accepted cargo.
 	 */
@@ -1097,7 +1097,7 @@ struct StationViewWindow : public Window {
 	}
 
 	/**
-	 * Draw cargo ratings in the #SVW_ACCEPTLIST widget.
+	 * Draw cargo ratings in the #WID_SV_ACCEPT_RATING_LIST widget.
 	 * @param r Rectangle of the widget.
 	 * @return Number of lines needed for drawing the cargo ratings.
 	 */
@@ -1130,7 +1130,7 @@ struct StationViewWindow : public Window {
 		for (CargoID c = 0; c < NUM_CARGO; c++) {
 			if (this->cargo_rows[c] == row) {
 				ToggleBit(this->cargo, c);
-				this->SetWidgetDirty(SVW_WAITING);
+				this->SetWidgetDirty(WID_SV_WAITING);
 				break;
 			}
 		}
@@ -1139,11 +1139,11 @@ struct StationViewWindow : public Window {
 	virtual void OnClick(Point pt, int widget, int click_count)
 	{
 		switch (widget) {
-			case SVW_WAITING:
-				this->HandleCargoWaitingClick(this->vscroll->GetScrolledRowFromWidget(pt.y, this, SVW_WAITING, WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL));
+			case WID_SV_WAITING:
+				this->HandleCargoWaitingClick(this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_SV_WAITING, WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL));
 				break;
 
-			case SVW_LOCATION:
+			case WID_SV_LOCATION:
 				if (_ctrl_pressed) {
 					ShowExtraViewPortWindow(Station::Get(this->window_number)->xy);
 				} else {
@@ -1151,11 +1151,11 @@ struct StationViewWindow : public Window {
 				}
 				break;
 
-			case SVW_RATINGS: {
+			case WID_SV_ACCEPTS_RATINGS: {
 				/* Swap between 'accepts' and 'ratings' view. */
 				int height_change;
-				NWidgetCore *nwi = this->GetWidget<NWidgetCore>(SVW_RATINGS);
-				if (this->GetWidget<NWidgetCore>(SVW_RATINGS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) {
+				NWidgetCore *nwi = this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS);
+				if (this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) {
 					nwi->SetDataTip(STR_STATION_VIEW_ACCEPTS_BUTTON, STR_STATION_VIEW_ACCEPTS_TOOLTIP); // Switch to accepts view.
 					height_change = this->rating_lines - this->accepts_lines;
 				} else {
@@ -1166,17 +1166,17 @@ struct StationViewWindow : public Window {
 				break;
 			}
 
-			case SVW_RENAME:
+			case WID_SV_RENAME:
 				SetDParam(0, this->window_number);
 				ShowQueryString(STR_STATION_NAME, STR_STATION_VIEW_RENAME_STATION_CAPTION, MAX_LENGTH_STATION_NAME_CHARS,
 						this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT | QSF_LEN_IN_CHARS);
 				break;
 
-			case SVW_TRAINS:   // Show list of scheduled trains to this station
-			case SVW_ROADVEHS: // Show list of scheduled road-vehicles to this station
-			case SVW_SHIPS:    // Show list of scheduled ships to this station
-			case SVW_PLANES:   // Show list of scheduled aircraft to this station
-				ShowVehicleListWindow(this->owner, (VehicleType)(widget - SVW_TRAINS), (StationID)this->window_number);
+			case WID_SV_TRAINS:   // Show list of scheduled trains to this station
+			case WID_SV_ROADVEHS: // Show list of scheduled road-vehicles to this station
+			case WID_SV_SHIPS:    // Show list of scheduled ships to this station
+			case WID_SV_PLANES:   // Show list of scheduled aircraft to this station
+				ShowVehicleListWindow(this->owner, (VehicleType)(widget - WID_SV_TRAINS), (StationID)this->window_number);
 				break;
 		}
 	}
@@ -1190,7 +1190,7 @@ struct StationViewWindow : public Window {
 
 	virtual void OnResize()
 	{
-		this->vscroll->SetCapacityFromWidget(this, SVW_WAITING, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
+		this->vscroll->SetCapacityFromWidget(this, WID_SV_WAITING, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
 	}
 };
 
@@ -1317,12 +1317,12 @@ static const T *FindStationsNearby(TileArea ta, bool distant_join)
 static const NWidgetPart _nested_select_station_widgets[] = {
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
-		NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, JSW_WIDGET_CAPTION), SetDataTip(STR_JOIN_STATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
+		NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_JS_CAPTION), SetDataTip(STR_JOIN_STATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 	EndContainer(),
 	NWidget(NWID_HORIZONTAL),
-		NWidget(WWT_PANEL, COLOUR_DARK_GREEN, JSW_PANEL), SetResize(1, 0), SetScrollbar(JSW_SCROLLBAR), EndContainer(),
+		NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_JS_PANEL), SetResize(1, 0), SetScrollbar(WID_JS_SCROLLBAR), EndContainer(),
 		NWidget(NWID_VERTICAL),
-			NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, JSW_SCROLLBAR),
+			NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_JS_SCROLLBAR),
 			NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
 		EndContainer(),
 	EndContainer(),
@@ -1344,15 +1344,15 @@ struct SelectStationWindow : Window {
 		area(ta)
 	{
 		this->CreateNestedTree(desc);
-		this->vscroll = this->GetScrollbar(JSW_SCROLLBAR);
-		this->GetWidget<NWidgetCore>(JSW_WIDGET_CAPTION)->widget_data = T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_JOIN_WAYPOINT_CAPTION : STR_JOIN_STATION_CAPTION;
+		this->vscroll = this->GetScrollbar(WID_JS_SCROLLBAR);
+		this->GetWidget<NWidgetCore>(WID_JS_CAPTION)->widget_data = T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_JOIN_WAYPOINT_CAPTION : STR_JOIN_STATION_CAPTION;
 		this->FinishInitNested(desc, 0);
 		this->OnInvalidateData(0);
 	}
 
 	virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
 	{
-		if (widget != JSW_PANEL) return;
+		if (widget != WID_JS_PANEL) return;
 
 		/* Determine the widest string */
 		Dimension d = GetStringBoundingBox(T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_JOIN_WAYPOINT_CREATE_SPLITTED_WAYPOINT : STR_JOIN_STATION_CREATE_SPLITTED_STATION);
@@ -1372,7 +1372,7 @@ struct SelectStationWindow : Window {
 
 	virtual void DrawWidget(const Rect &r, int widget) const
 	{
-		if (widget != JSW_PANEL) return;
+		if (widget != WID_JS_PANEL) return;
 
 		uint y = r.top + WD_FRAMERECT_TOP;
 		if (this->vscroll->GetPosition() == 0) {
@@ -1393,9 +1393,9 @@ struct SelectStationWindow : Window {
 
 	virtual void OnClick(Point pt, int widget, int click_count)
 	{
-		if (widget != JSW_PANEL) return;
+		if (widget != WID_JS_PANEL) return;
 
-		uint st_index = this->vscroll->GetScrolledRowFromWidget(pt.y, this, JSW_PANEL, WD_FRAMERECT_TOP);
+		uint st_index = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_JS_PANEL, WD_FRAMERECT_TOP);
 		bool distant_join = (st_index > 0);
 		if (distant_join) st_index--;
 
@@ -1422,7 +1422,7 @@ struct SelectStationWindow : Window {
 
 	virtual void OnResize()
 	{
-		this->vscroll->SetCapacityFromWidget(this, JSW_PANEL, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
+		this->vscroll->SetCapacityFromWidget(this, WID_JS_PANEL, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
 	}
 
 	/**
diff --git a/src/widgets/smallmap_widget.h b/src/widgets/smallmap_widget.h
index c23163ba3..00ae1faed 100644
--- a/src/widgets/smallmap_widget.h
+++ b/src/widgets/smallmap_widget.h
@@ -13,25 +13,25 @@
 #define WIDGETS_SMALLMAP_WIDGET_H
 
 /** Widgets of the WC_SMALLMAP. */
-enum SmallMapWindowWidgets {
-	SM_WIDGET_CAPTION,           ///< Caption widget.
-	SM_WIDGET_MAP_BORDER,        ///< Border around the smallmap.
-	SM_WIDGET_MAP,               ///< Panel containing the smallmap.
-	SM_WIDGET_LEGEND,            ///< Bottom panel to display smallmap legends.
-	SM_WIDGET_ZOOM_IN,           ///< Button to zoom in one step.
-	SM_WIDGET_ZOOM_OUT,          ///< Button to zoom out one step.
-	SM_WIDGET_CONTOUR,           ///< Button to select the contour view (height map).
-	SM_WIDGET_VEHICLES,          ///< Button to select the vehicles view.
-	SM_WIDGET_INDUSTRIES,        ///< Button to select the industries view.
-	SM_WIDGET_ROUTES,            ///< Button to select the routes view.
-	SM_WIDGET_VEGETATION,        ///< Button to select the vegetation view.
-	SM_WIDGET_OWNERS,            ///< Button to select the owners view.
-	SM_WIDGET_CENTERMAP,         ///< Button to move smallmap center to main window center.
-	SM_WIDGET_TOGGLETOWNNAME,    ///< Toggle button to display town names.
-	SM_WIDGET_SELECT_BUTTONS,    ///< Selection widget for the buttons present in some smallmap modes.
-	SM_WIDGET_ENABLE_ALL,        ///< Button to enable display of all legend entries.
-	SM_WIDGET_DISABLE_ALL,       ///< Button to disable display of all legend entries.
-	SM_WIDGET_SHOW_HEIGHT,       ///< Show heightmap toggle button.
+enum SmallMapWidgets {
+	WID_SM_CAPTION,           ///< Caption of the window.
+	WID_SM_MAP_BORDER,        ///< Border around the smallmap.
+	WID_SM_MAP,               ///< Panel containing the smallmap.
+	WID_SM_LEGEND,            ///< Bottom panel to display smallmap legends.
+	WID_SM_ZOOM_IN,           ///< Button to zoom in one step.
+	WID_SM_ZOOM_OUT,          ///< Button to zoom out one step.
+	WID_SM_CONTOUR,           ///< Button to select the contour view (height map).
+	WID_SM_VEHICLES,          ///< Button to select the vehicles view.
+	WID_SM_INDUSTRIES,        ///< Button to select the industries view.
+	WID_SM_ROUTES,            ///< Button to select the routes view.
+	WID_SM_VEGETATION,        ///< Button to select the vegetation view.
+	WID_SM_OWNERS,            ///< Button to select the owners view.
+	WID_SM_CENTERMAP,         ///< Button to move smallmap center to main window center.
+	WID_SM_TOGGLETOWNNAME,    ///< Toggle button to display town names.
+	WID_SM_SELECT_BUTTONS,    ///< Selection widget for the buttons present in some smallmap modes.
+	WID_SM_ENABLE_ALL,        ///< Button to enable display of all legend entries.
+	WID_SM_DISABLE_ALL,       ///< Button to disable display of all legend entries.
+	WID_SM_SHOW_HEIGHT,       ///< Show heightmap toggle button.
 };
 
-#endif /* WIDGETS_SMALLPAM_WIDGET_H */
+#endif /* WIDGETS_SMALLMAP_WIDGET_H */
diff --git a/src/widgets/station_widget.h b/src/widgets/station_widget.h
index 67a60f54d..612eef777 100644
--- a/src/widgets/station_widget.h
+++ b/src/widgets/station_widget.h
@@ -14,49 +14,47 @@
 
 /** Widgets of the WC_STATION_VIEW. */
 enum StationViewWidgets {
-	SVW_CAPTION    =  0, ///< Caption of the window
-	SVW_WAITING    =  1, ///< List of waiting cargo
-	SVW_SCROLLBAR  =  2, ///< Scrollbar
-	SVW_ACCEPTLIST =  3, ///< List of accepted cargoes
-	SVW_RATINGLIST =  3, ///< Ratings of cargoes
-	SVW_LOCATION   =  4, ///< 'Location' button
-	SVW_RATINGS    =  5, ///< 'Ratings' button
-	SVW_ACCEPTS    =  5, ///< 'Accepts' button
-	SVW_RENAME     =  6, ///< 'Rename' button
-	SVW_TRAINS     =  7, ///< List of scheduled trains button
-	SVW_ROADVEHS,        ///< List of scheduled road vehs button
-	SVW_SHIPS,           ///< List of scheduled ships button
-	SVW_PLANES,          ///< List of scheduled planes button
+	WID_SV_CAPTION,            ///< Caption of the window.
+	WID_SV_WAITING,            ///< List of waiting cargo.
+	WID_SV_SCROLLBAR,          ///< Scrollbar.
+	WID_SV_ACCEPT_RATING_LIST, ///< List of accepted cargoes / rating of cargoes.
+	WID_SV_LOCATION,           ///< 'Location' button.
+	WID_SV_ACCEPTS_RATINGS,    ///< 'Accepts' / 'Ratings' button.
+	WID_SV_RENAME,             ///< 'Rename' button.
+	WID_SV_TRAINS,             ///< List of scheduled trains button.
+	WID_SV_ROADVEHS,           ///< List of scheduled road vehs button.
+	WID_SV_SHIPS,              ///< List of scheduled ships button.
+	WID_SV_PLANES,             ///< List of scheduled planes button.
 };
 
 /** Widgets of the WC_STATION_LIST. */
 enum StationListWidgets {
-	SLW_CAPTION,        ///< Window caption
-	SLW_LIST,           ///< The main panel, list of stations
-	SLW_SCROLLBAR,      ///< Scrollbar next to the main panel
+	WID_SL_CAPTION,        ///< Caption of the window.
+	WID_SL_LIST,           ///< The main panel, list of stations.
+	WID_SL_SCROLLBAR,      ///< Scrollbar next to the main panel.
 
 	/* Vehicletypes need to be in order of StationFacility due to bit magic */
-	SLW_TRAIN,          ///< 'TRAIN' button - list only facilities where is a railroad station
-	SLW_TRUCK,          ///< 'TRUCK' button - list only facilities where is a truck stop
-	SLW_BUS,            ///< 'BUS' button - list only facilities where is a bus stop
-	SLW_AIRPLANE,       ///< 'AIRPLANE' button - list only facilities where is an airport
-	SLW_SHIP,           ///< 'SHIP' button - list only facilities where is a dock
-	SLW_FACILALL,       ///< 'ALL' button - list all facilities
+	WID_SL_TRAIN,          ///< 'TRAIN' button - list only facilities where is a railroad station.
+	WID_SL_TRUCK,          ///< 'TRUCK' button - list only facilities where is a truck stop.
+	WID_SL_BUS,            ///< 'BUS' button - list only facilities where is a bus stop.
+	WID_SL_AIRPLANE,       ///< 'AIRPLANE' button - list only facilities where is an airport.
+	WID_SL_SHIP,           ///< 'SHIP' button - list only facilities where is a dock.
+	WID_SL_FACILALL,       ///< 'ALL' button - list all facilities.
 
-	SLW_NOCARGOWAITING, ///< 'NO' button - list stations where no cargo is waiting
-	SLW_CARGOALL,       ///< 'ALL' button - list all stations
+	WID_SL_NOCARGOWAITING, ///< 'NO' button - list stations where no cargo is waiting.
+	WID_SL_CARGOALL,       ///< 'ALL' button - list all stations.
 
-	SLW_SORTBY,         ///< 'Sort by' button - reverse sort direction
-	SLW_SORTDROPBTN,    ///< Dropdown button
+	WID_SL_SORTBY,         ///< 'Sort by' button - reverse sort direction.
+	WID_SL_SORTDROPBTN,    ///< Dropdown button.
 
-	SLW_CARGOSTART,     ///< Widget numbers used for list of cargo types (not present in _company_stations_widgets)
+	WID_SL_CARGOSTART,     ///< Widget numbers used for list of cargo types (not present in _company_stations_widgets).
 };
 
 /** Widgets of the WC_SELECT_STATION. */
 enum JoinStationWidgets {
-	JSW_WIDGET_CAPTION,
-	JSW_PANEL,
-	JSW_SCROLLBAR,
+	WID_JS_CAPTION,   // Caption of the window.
+	WID_JS_PANEL,     // Main panel.
+	WID_JS_SCROLLBAR, // Scrollbar of the panel.
 };
 
 #endif /* WIDGETS_STATION_WIDGET_H */