(svn r16386) -Codechange: Move ShowAdditionalText() to build_vehicle_gui and make it static.

src/build_vehicle_gui.cpp

@@ -12,6 +12,7 @@
 #include "company_func.h"
 #include "vehicle_gui.h"
 #include "newgrf_engine.h"
+#include "newgrf_text.h"
 #include "group.h"
 #include "strings_func.h"
 #include "window_func.h"
@@ -590,6 +591,27 @@ static int DrawAircraftPurchaseInfo(int left, int right, int y, EngineID engine_
 	return y;
 }
 
+/**
+ * Display additional text from NewGRF in the purchase information window
+ * @param left   Left border of text bounding box
+ * @param right  Right border of text bounding box
+ * @param y      Top border of text bounding box
+ * @param engine Engine to query the additional purchase information for
+ * @return       Bottom border of text bounding box
+ */
+static uint ShowAdditionalText(int left, int right, int y, EngineID engine)
+{
+	uint16 callback = GetVehicleCallback(CBID_VEHICLE_ADDITIONAL_TEXT, 0, 0, engine, NULL);
+	if (callback == CALLBACK_FAILED) return y;
+
+	/* STR_BLACK_STRING is used to start the string with {BLACK} */
+	SetDParam(0, GetGRFStringID(GetEngineGRFID(engine), 0xD000 + callback));
+	PrepareTextRefStackUsage(0);
+	uint result = DrawStringMultiLine(left, right, y, INT32_MAX, STR_BLACK_STRING);
+	StopTextRefStackUsage();
+	return result;
+}
+
 /**
  * Draw the purchase info details of a vehicle at a given location.
  * @param left,right,y location where to draw the info

src/vehicle_gui.cpp

@@ -459,20 +459,6 @@ void ShowVehicleRefitWindow(const Vehicle *v, VehicleOrderID order, Window *pare
 	w->parent = parent;
 }
 
-/** Display additional text from NewGRF in the purchase information window */
-uint ShowAdditionalText(int left, int right, int y, EngineID engine)
-{
-	uint16 callback = GetVehicleCallback(CBID_VEHICLE_ADDITIONAL_TEXT, 0, 0, engine, NULL);
-	if (callback == CALLBACK_FAILED) return y;
-
-	/* STR_BLACK_STRING is used to start the string with {BLACK} */
-	SetDParam(0, GetGRFStringID(GetEngineGRFID(engine), 0xD000 + callback));
-	PrepareTextRefStackUsage(0);
-	uint result = DrawStringMultiLine(left, right, y, INT32_MAX, STR_BLACK_STRING);
-	StopTextRefStackUsage();
-	return result;
-}
-
 /** Display list of cargo types of the engine, for the purchase information window */
 uint ShowRefitOptionsList(int left, int right, int y, EngineID engine)
 {

src/vehicle_gui.h

@@ -60,7 +60,6 @@ void DrawAircraftImage(const Vehicle *v, int x, int y, VehicleID selection);
 
 void ShowBuildVehicleWindow(TileIndex tile, VehicleType type);
 
-uint ShowAdditionalText(int left, int right, int y, EngineID engine);
 uint ShowRefitOptionsList(int left, int right, int y, EngineID engine);
 StringID GetCargoSubtypeText(const Vehicle *v);