/* $Id$ */

#include "stdafx.h"

#include "openttd.h"

#include "road_map.h"

#include "station_map.h"

#include "gui.h"

#include "window_gui.h"

#include "station_base.h"

#include "town.h"

#include "command_func.h"

#include "viewport_func.h"

#include "gfx_func.h"

#include "depot_base.h"

#include "waypoint.h"

#include "train.h"

#include "water_map.h"

#include "vehicle_gui.h"

#include "timetable.h"

#include "cargotype.h"

#include "strings_func.h"

#include "window_func.h"

#include "vehicle_func.h"

#include "settings_type.h"

#include "player_func.h"

#include "newgrf_cargo.h"

#include "widgets/dropdown_func.h"

#include "textbuf_gui.h"

#include "string_func.h"

#include "depot_base.h"

#include "table/sprites.h"

#include "table/strings.h"

enum OrderWindowWidgets {

	ORDER_WIDGET_CLOSEBOX = 0,

	ORDER_WIDGET_CAPTION,

	ORDER_WIDGET_TIMETABLE_VIEW,

	ORDER_WIDGET_ORDER_LIST,

	ORDER_WIDGET_SCROLLBAR,

	ORDER_WIDGET_SKIP,

	ORDER_WIDGET_DELETE,

	ORDER_WIDGET_NON_STOP,

	ORDER_WIDGET_GOTO,

	ORDER_WIDGET_GOTO_DROPDOWN,

	ORDER_WIDGET_FULL_LOAD,

	ORDER_WIDGET_UNLOAD,

	ORDER_WIDGET_REFIT,

	ORDER_WIDGET_SERVICE,

	ORDER_WIDGET_COND_VARIABLE,

	ORDER_WIDGET_COND_COMPARATOR,

	ORDER_WIDGET_COND_VALUE,

	ORDER_WIDGET_RESIZE_BAR,

	ORDER_WIDGET_SHARED_ORDER_LIST,

	ORDER_WIDGET_RESIZE,

};

/** Under what reason are we using the PlaceObject functionality? */

enum OrderPlaceObjectState {

	OPOS_GOTO,

	OPOS_CONDITIONAL,

};

struct order_d {

	int sel;

	OrderPlaceObjectState goto_type;

};

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(order_d));

/**

 * Return the memorised selected order.

 *

 * @param w current window

 * @return the memorised order if it is a vaild one

 *  else return the number of orders

 */

static int OrderGetSel(const Window *w)

{

	const Vehicle *v = GetVehicle(w->window_number);

	int num = WP(w, order_d).sel;

	return (num >= 0 && num < v->num_orders) ? num : v->num_orders;

}

/**

 * Calculate the selected order.

 * The calculation is based on the relative (to the window) y click position and

 *  the position of the scrollbar.

 *

 * @param w current window

 * @param y Y-value of the click relative to the window origin

 * @param v current vehicle

 * @return the new selected order if the order is valid else return that

 *  an invalid one has been selected.

 */

static int GetOrderFromOrderWndPt(Window *w, int y, const Vehicle *v)

{