(svn r6678) -Code cleanup: [train build window] made an enum with widget names and fixed some incorrect indents

train_gui.c

@@ -23,6 +23,18 @@
 #include "newgrf_engine.h"
 #include "date.h"
 
+typedef enum BuildTrainWidgets {
+	BUILD_TRAIN_WIDGET_CLOSEBOX = 0,
+	BUILD_TRAIN_WIDGET_CAPTION,
+	BUILD_TRAIN_WIDGET_LIST,
+	BUILD_TRAIN_WIDGET_SCROLLBAR,
+	BUILD_TRAIN_WIDGET_PANEL,
+	BUILD_TRAIN_WIDGET_BUILD,
+	BUILD_TRAIN_WIDGET_RENAME,
+	BUILD_TRAIN_WIDGET_RESIZE,
+} BuildTrainWidget;
+
+
 /**
  * Draw the purchase info details of train engine at a given location.
  * @param x,y location where to draw the info
@@ -206,7 +218,7 @@ static void NewRailVehicleWndProc(Window *w, WindowEvent *e)
 	switch (e->event) {
 		case WE_PAINT:
 
-		SetWindowWidgetDisabledState(w, 5, w->window_number == 0);
+			SetWindowWidgetDisabledState(w, BUILD_TRAIN_WIDGET_BUILD, w->window_number == 0);
 
 			{
 				int count = 0;
@@ -249,10 +261,10 @@ static void NewRailVehicleWndProc(Window *w, WindowEvent *e)
 
 					if (!(rvi->flags & RVI_WAGON)) {
 						/* it's an engine */
-					DrawTrainEnginePurchaseInfo(2, w->widget[4].top + 1,selected_id);
+						DrawTrainEnginePurchaseInfo(2, w->widget[BUILD_TRAIN_WIDGET_PANEL].top + 1,selected_id);
 					} else {
 						/* it's a wagon */
-					DrawTrainWagonPurchaseInfo(2, w->widget[4].top + 1, selected_id);
+						DrawTrainWagonPurchaseInfo(2, w->widget[BUILD_TRAIN_WIDGET_PANEL].top + 1, selected_id);
 					}
 				}
 			}
@@ -260,19 +272,21 @@ static void NewRailVehicleWndProc(Window *w, WindowEvent *e)
 
 		case WE_CLICK: {
 			switch (e->we.click.widget) {
-		case 2: {
+				case BUILD_TRAIN_WIDGET_LIST: {
 					uint i = (e->we.click.pt.y - 14) / 14;
 					if (i < w->vscroll.cap) {
 						WP(w,buildtrain_d).sel_index = i + w->vscroll.pos;
 						SetWindowDirty(w);
 					}
 				} break;
-		case 5: {
+
+				case BUILD_TRAIN_WIDGET_BUILD: {
 					EngineID sel_eng = WP(w,buildtrain_d).sel_engine;
 					if (sel_eng != INVALID_ENGINE)
 						DoCommandP(w->window_number, sel_eng, 0, (RailVehInfo(sel_eng)->flags & RVI_WAGON) ? CcBuildWagon : CcBuildLoco, CMD_BUILD_RAIL_VEHICLE | CMD_MSG(STR_882B_CAN_T_BUILD_RAILROAD_VEHICLE));
 				}	break;
-		case 6: { /* rename */
+
+				case BUILD_TRAIN_WIDGET_RENAME: {
 					EngineID sel_eng = WP(w,buildtrain_d).sel_engine;
 					if (sel_eng != INVALID_ENGINE) {
 						WP(w,buildtrain_d).rename_engine = sel_eng;
@@ -292,11 +306,10 @@ static void NewRailVehicleWndProc(Window *w, WindowEvent *e)
 		} break;
 
 		case WE_RESIZE: {
-		if (e->we.sizing.diff.y == 0)
-			break;
+			if (e->we.sizing.diff.y == 0) break;
 
 			w->vscroll.cap += e->we.sizing.diff.y / 14;
-		w->widget[2].data = (w->vscroll.cap << 8) + 1;
+			w->widget[BUILD_TRAIN_WIDGET_LIST].data = (w->vscroll.cap << 8) + 1;
 		} break;
 	}
 }
@@ -330,7 +343,7 @@ void ShowBuildTrainWindow(TileIndex tile)
 	w = AllocateWindowDesc(&_new_rail_vehicle_desc);
 	w->window_number = tile;
 	w->vscroll.cap = 8;
-	w->widget[2].data = (w->vscroll.cap << 8) + 1;
+	w->widget[BUILD_TRAIN_WIDGET_LIST].data = (w->vscroll.cap << 8) + 1;
 
 	w->resize.step_height = 14;
 	w->resize.height = w->height - 14 * 4; // Minimum of 4 vehicles in the display