Method OnPlaceObject

src/signs_gui.cpp:523–534

	}

	void OnPlaceObject([[maybe_unused]] Point pt, TileIndex tile) override
	{
		switch (this->last_user_action) {
			case WID_QES_MOVE: // Place sign button
				RenameSign(this->cur_sign, this->name_editbox.text.GetText());
				MoveSign(this->cur_sign, tile);
				this->Close();
				break;

			default: NOT_REACHED();
		}
	}

	void OnPlaceObjectAbort() override
	{