(svn r13759) -Fix [FS#2147]: selecting non-full length vehicles in the depot gui would place the "mouse pointer" out of the center of the vehicle making it hard to "aim".

src/depot_gui.cpp

@@ -513,6 +513,20 @@ struct DepotWindow : Window {
 					this->sel = v->index;
 					this->SetDirty();
 					SetObjectToPlaceWnd(image, GetVehiclePalette(v), VHM_DRAG, this);
+
+					switch (v->type) {
+						case VEH_TRAIN:
+							_cursor.short_vehicle_offset = 16 - v->u.rail.cached_veh_length * 2;
+							break;
+
+						case VEH_ROAD:
+							_cursor.short_vehicle_offset = 16 - v->u.road.cached_veh_length * 2;
+							break;
+
+						default:
+							_cursor.short_vehicle_offset = 0;
+							break;
+					}
 					_cursor.vehchain = _ctrl_pressed;
 				}
 			} break;

src/gfx.cpp

@@ -1008,7 +1008,7 @@ void DrawMouseCursor()
 	}
 
 	w = _cursor.size.x;
-	x = _cursor.pos.x + _cursor.offs.x;
+	x = _cursor.pos.x + _cursor.offs.x + _cursor.short_vehicle_offset;
 	if (x < 0) {
 		w += x;
 		x = 0;
@@ -1036,7 +1036,7 @@ void DrawMouseCursor()
 
 	/* Draw cursor on screen */
 	_cur_dpi = &_screen;
-	DrawSprite(_cursor.sprite, _cursor.pal, _cursor.pos.x, _cursor.pos.y);
+	DrawSprite(_cursor.sprite, _cursor.pal, _cursor.pos.x + _cursor.short_vehicle_offset, _cursor.pos.y);
 
 	_video_driver->MakeDirty(_cursor.draw_pos.x, _cursor.draw_pos.y, _cursor.draw_size.x, _cursor.draw_size.y);
 
@@ -1287,6 +1287,7 @@ static void SetCursorSprite(SpriteID cursor, SpriteID pal)
 	cv->offs.y = p->y_offs;
 
 	cv->dirty = true;
+	cv->short_vehicle_offset = 0;
 }
 
 static void SwitchAnimatedCursor()

src/gfx_type.h

@@ -113,6 +113,7 @@ struct AnimCursor {
 struct CursorVars {
 	Point pos, size, offs, delta; ///< position, size, offset from top-left, and movement
 	Point draw_pos, draw_size;    ///< position and size bounding-box for drawing
+	int short_vehicle_offset;     ///< offset of the X for short vehicles
 	SpriteID sprite; ///< current image of cursor
 	SpriteID pal;