/* $Id: order_gui.cpp 10071 2007-06-08 18:59:29Z rubidium $ */

/** @file order_gui.cpp */

#include "stdafx.h"
#include "openttd.h"
#include "road_map.h"
#include "station_map.h"
#include "table/sprites.h"
#include "table/strings.h"
#include "functions.h"
#include "map.h"
#include "tile.h"
#include "window.h"
#include "gui.h"
#include "gfx.h"
#include "vehicle.h"
#include "station.h"
#include "town.h"
#include "command.h"
#include "viewport.h"
#include "depot.h"
#include "waypoint.h"
#include "train.h"
#include "water_map.h"
#include "vehicle_gui.h"
#include "cargotype.h"

enum OrderWindowWidgets {
	ORDER_WIDGET_CLOSEBOX = 0,
	ORDER_WIDGET_CAPTION,
	ORDER_WIDGET_ORDER_LIST,
	ORDER_WIDGET_SCROLLBAR,
	ORDER_WIDGET_SKIP,
	ORDER_WIDGET_DELETE,
	ORDER_WIDGET_NON_STOP,
	ORDER_WIDGET_GOTO,
	ORDER_WIDGET_FULL_LOAD,
	ORDER_WIDGET_UNLOAD,
	ORDER_WIDGET_REFIT,
	ORDER_WIDGET_TRANSFER,
	ORDER_WIDGET_SHARED_ORDER_LIST,
	ORDER_WIDGET_RESIZE_BAR,
	ORDER_WIDGET_RESIZE,
};

/**
 * 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)
{
	/*
	 * Calculation description:
	 * 15 = 14 (w->widget[ORDER_WIDGET_ORDER_LIST].top) + 1 (frame-line)
	 * 10 = order text hight
	 */
	int sel = (y - 15) / 10;

	if ((uint)sel >= w->vscroll.cap) return INVALID_ORDER;

	sel += w->vscroll.pos;

	return (sel <= v->num_orders && sel >= 0) ? sel : INVALID_ORDER;
}

static StringID StationOrderStrings[] = {
	STR_8806_GO_TO,
	STR_8807_GO_TO_TRANSFER,
	STR_8808_GO_TO_UNLOAD,
	STR_8809_GO_TO_TRANSFER_UNLOAD,
	STR_880A_GO_TO_LOAD,
	STR_880B_GO_TO_TRANSFER_LOAD,
	STR_NULL,
	STR_NULL,
	STR_880C_GO_NON_STOP_TO,
	STR_880D_GO_TO_NON_STOP_TRANSFER,
	STR_880E_GO_NON_STOP_TO_UNLOAD,
	STR_880F_GO_TO_NON_STOP_TRANSFER_UNLOAD,
	STR_8810_GO_NON_STOP_TO_LOAD,
	STR_8811_GO_TO_NON_STOP_TRANSFER_LOAD,
	STR_NULL
};

static void DrawOrdersWindow(Window *w)
{
	const Vehicle *v;
	const Order *order;
	StringID str;
	int sel;
	int y, i;
	bool shared_orders;
	byte color;

	v = GetVehicle(w->window_number);

	shared_orders = IsOrderListShared(v);

	SetVScrollCount(w, v->num_orders + 1);

	sel = OrderGetSel(w);
	SetDParam(2, STR_8827_FULL_LOAD);

	order = GetVehicleOrder(v, sel);

	if (v->owner == _local_player) {
		/* skip */
		SetWindowWidgetDisabledState(w, ORDER_WIDGET_SKIP, v->num_orders <= 1);

		/* delete */
		SetWindowWidgetDisabledState(w, ORDER_WIDGET_DELETE,
				(uint)v->num_orders + ((shared_orders || v->num_orders != 0) ? 1 : 0) <= (uint)WP(w, order_d).sel);

		/* non-stop only for trains */
		SetWindowWidgetDisabledState(w, ORDER_WIDGET_NON_STOP,  v->type != VEH_TRAIN || order == NULL);
		SetWindowWidgetDisabledState(w, ORDER_WIDGET_FULL_LOAD, order == NULL); // full load
		SetWindowWidgetDisabledState(w, ORDER_WIDGET_UNLOAD,    order == NULL); // unload
		SetWindowWidgetDisabledState(w, ORDER_WIDGET_TRANSFER,  order == NULL); // transfer
		/* Disable list of vehicles with the same shared orders if there is no list */
		SetWindowWidgetDisabledState(w, ORDER_WIDGET_SHARED_ORDER_LIST, !shared_orders || v->orders == NULL);
		SetWindowWidgetDisabledState(w, ORDER_WIDGET_REFIT,     order == NULL); // Refit
		HideWindowWidget(w, ORDER_WIDGET_REFIT); // Refit
	} else {
		DisableWindowWidget(w, ORDER_WIDGET_TRANSFER);
	}

	ShowWindowWidget(w, ORDER_WIDGET_UNLOAD); // Unload

	if (order != NULL) {
		switch (order->type) {
			case OT_GOTO_STATION: break;

			case OT_GOTO_DEPOT:
				DisableWindowWidget(w, ORDER_WIDGET_TRANSFER);

				/* Remove unload and replace it with refit */
				HideWindowWidget(w, ORDER_WIDGET_UNLOAD);
				ShowWindowWidget(w, ORDER_WIDGET_REFIT);
				SetDParam(2,STR_SERVICE);
				break;

			case OT_GOTO_WAYPOINT:
				DisableWindowWidget(w, ORDER_WIDGET_FULL_LOAD);
				DisableWindowWidget(w, ORDER_WIDGET_UNLOAD);
				DisableWindowWidget(w, ORDER_WIDGET_TRANSFER);
				break;

			default: // every other orders
				DisableWindowWidget(w, ORDER_WIDGET_NON_STOP);
				DisableWindowWidget(w, ORDER_WIDGET_FULL_LOAD);
				DisableWindowWidget(w, ORDER_WIDGET_UNLOAD);
		}
	}

	SetDParam(0, v->string_id);
	SetDParam(1, v->unitnumber);
	DrawWindowWidgets(w);

	y = 15;

	i = w->vscroll.pos;
	order = GetVehicleOrder(v, i);
	while (order != NULL) {
		str = (v->cur_order_index == i) ? STR_8805 : STR_8804;
		SetDParam(3, STR_EMPTY);

		if (i - w->vscroll.pos < w->vscroll.cap) {
			SetDParam(1, 6);

			switch (order->type) {
				case OT_GOTO_STATION:
					SetDParam(1, StationOrderStrings[order->flags]);
					SetDParam(2, order->dest);
					break;

				case OT_GOTO_DEPOT: {
					StringID s = STR_NULL;

					if (v->type == VEH_AIRCRAFT) {
						s = STR_GO_TO_AIRPORT_HANGAR;
						SetDParam(2, order->dest);
					} else {
						SetDParam(2, GetDepot(order->dest)->town_index);

						switch (v->type) {
							case VEH_TRAIN: s = (order->flags & OF_NON_STOP) ? STR_880F_GO_NON_STOP_TO_TRAIN_DEPOT : STR_GO_TO_TRAIN_DEPOT; break;
							case VEH_ROAD:  s = STR_9038_GO_TO_ROADVEH_DEPOT; break;
							case VEH_SHIP:  s = STR_GO_TO_SHIP_DEPOT; break;
							default: break;
						}
					}

					if (order->flags & OF_FULL_LOAD) s++; /* service at */

					SetDParam(1, s);
					if (order->refit_cargo < NUM_CARGO) {
						SetDParam(3, STR_REFIT_ORDER);
						SetDParam(4, GetCargo(order->refit_cargo)->name);
					} else {
						SetDParam(3, STR_EMPTY);
					}
					break;
				}

				case OT_GOTO_WAYPOINT:
					SetDParam(1, (order->flags & OF_NON_STOP) ? STR_GO_NON_STOP_TO_WAYPOINT : STR_GO_TO_WAYPOINT);
					SetDParam(2, order->dest);
					break;

				default: break;
			}

			color = (i == WP(w,order_d).sel) ? 0xC : 0x10;
			SetDParam(0, i + 1);
			if (order->type != OT_DUMMY) {
				DrawString(2, y, str, color);
			} else {
				SetDParam(1, STR_INVALID_ORDER);
				SetDParam(2, order->dest);
				DrawString(2, y, str, color);
			}
			y += 10;
		}

		i++;
		order = order->next;
	}

	if (i - w->vscroll.pos < w->vscroll.cap) {
		str = shared_orders ? STR_END_OF_SHARED_ORDERS : STR_882A_END_OF_ORDERS;
		color = (i == WP(w,order_d).sel) ? 0xC : 0x10;
		DrawString(2, y, str, color);
	}
}

static Order GetOrderCmdFromTile(const Vehicle *v, TileIndex tile)
{
	Order order;
	order.next  = NULL;
	order.index = 0;
	order.refit_cargo   = CT_INVALID;
	order.refit_subtype = 0;

	// check depot first
	if (_patches.gotodepot) {
		switch (GetTileType(tile)) {
		case MP_RAILWAY:
			if (v->type == VEH_TRAIN && IsTileOwner(tile, _local_player)) {
				if (IsRailDepot(tile)) {
					order.type = OT_GOTO_DEPOT;
					order.flags = OF_PART_OF_ORDERS;
					order.dest = GetDepotByTile(tile)->index;
					return order;
				}
			}
			break;

		case MP_STREET:
			if (GetRoadTileType(tile) == ROAD_TILE_DEPOT && v->type == VEH_ROAD && IsTileOwner(tile, _local_player)) {
				order.type = OT_GOTO_DEPOT;
				order.flags = OF_PART_OF_ORDERS;
				order.dest = GetDepotByTile(tile)->index;
				return order;
			}
			break;

		case MP_STATION:
			if (v->type != VEH_AIRCRAFT) break;
			if (IsHangar(tile) && IsTileOwner(tile, _local_player)) {
				order.type = OT_GOTO_DEPOT;
				order.flags = OF_PART_OF_ORDERS;
				order.dest = GetStationIndex(tile);
				return order;
			}
			break;

		case MP_WATER:
			if (v->type != VEH_SHIP) break;
			if (IsTileDepotType(tile, TRANSPORT_WATER) &&
					IsTileOwner(tile, _local_player)) {
				TileIndex tile2 = GetOtherShipDepotTile(tile);

				order.type = OT_GOTO_DEPOT;
				order.flags = OF_PART_OF_ORDERS;
				order.dest = GetDepotByTile(tile < tile2 ? tile : tile2)->index;
				return order;
			}

			default:
				break;
		}
	}

	// check waypoint
	if (IsTileType(tile, MP_RAILWAY) &&
			v->type == VEH_TRAIN &&
			IsTileOwner(tile, _local_player) &&
			IsRailWaypoint(tile)) {
		order.type = OT_GOTO_WAYPOINT;
		order.flags = 0;
		order.dest = GetWaypointByTile(tile)->index;
		return order;
	}

	if (IsTileType(tile, MP_STATION)) {
		StationID st_index = GetStationIndex(tile);
		const Station *st = GetStation(st_index);

		if (st->owner == _current_player || st->owner == OWNER_NONE) {
			byte facil;
			(facil=FACIL_DOCK, v->type == VEH_SHIP) ||
			(facil=FACIL_TRAIN, v->type == VEH_TRAIN) ||
			(facil=FACIL_AIRPORT, v->type == VEH_AIRCRAFT) ||
			(facil=FACIL_BUS_STOP, v->type == VEH_ROAD && IsCargoInClass(v->cargo_type, CC_PASSENGERS)) ||
			(facil=FACIL_TRUCK_STOP, 1);
			if (st->facilities & facil) {
				order.type = OT_GOTO_STATION;
				order.flags = 0;
				order.dest = st_index;
				return order;
			}
		}
	}

	// not found
	order.Free();
	order.dest = INVALID_STATION;
	return order;
}

static bool HandleOrderVehClick(const Vehicle *v, const Vehicle *u, Window *w)
{
	if (u->type != v->type) return false;

	if (u->HasFront() && !u->IsPrimaryVehicle()) {
		u = GetFirstVehicleInChain(u);
		if (!u->IsPrimaryVehicle()) return false;
	}

	// v is vehicle getting orders. Only copy/clone orders if vehicle doesn't have any orders yet
	// obviously if you press CTRL on a non-empty orders vehicle you know what you are doing
	if (v->num_orders != 0 && _ctrl_pressed == 0) return false;

	if (DoCommandP(v->tile, v->index | (u->index << 16), _ctrl_pressed ? 0 : 1, NULL,
		_ctrl_pressed ? CMD_CLONE_ORDER | CMD_MSG(STR_CANT_SHARE_ORDER_LIST) : CMD_CLONE_ORDER | CMD_MSG(STR_CANT_COPY_ORDER_LIST))) {
		WP(w,order_d).sel = -1;
		ResetObjectToPlace();
	}

	return true;
}

static void OrdersPlaceObj(const Vehicle *v, TileIndex tile, Window *w)
{
	Order cmd;
	const Vehicle *u;

	// check if we're clicking on a vehicle first.. clone orders in that case.
	u = CheckMouseOverVehicle();
	if (u != NULL && HandleOrderVehClick(v, u, w)) return;

	cmd = GetOrderCmdFromTile(v, tile);
	if (!cmd.IsValid()) return;

	if (DoCommandP(v->tile, v->index + (OrderGetSel(w) << 16), PackOrder(&cmd), NULL, CMD_INSERT_ORDER | CMD_MSG(STR_8833_CAN_T_INSERT_NEW_ORDER))) {
		if (WP(w,order_d).sel != -1) WP(w,order_d).sel++;
		ResetObjectToPlace();
	}
}

/**
 * Handle the click on the goto button.
 *
 * @param w current window
 * @param v current vehicle
 */
static void OrderClick_Goto(Window *w, const Vehicle *v)
{
	InvalidateWidget(w, ORDER_WIDGET_GOTO);
	ToggleWidgetLoweredState(w, ORDER_WIDGET_GOTO);
	if (IsWindowWidgetLowered(w, ORDER_WIDGET_GOTO)) {
		_place_clicked_vehicle = NULL;
		SetObjectToPlaceWnd(ANIMCURSOR_PICKSTATION, PAL_NONE, 1, w);
	} else {
		ResetObjectToPlace();
	}
}

/**
 * Handle the click on the full load button.
 *
 * @param w current window
 * @param v current vehicle
 */
static void OrderClick_FullLoad(Window *w, const Vehicle *v)
{
	DoCommandP(v->tile, v->index + (OrderGetSel(w) << 16), OFB_FULL_LOAD, NULL, CMD_MODIFY_ORDER | CMD_MSG(STR_8835_CAN_T_MODIFY_THIS_ORDER));
}

/**
 * Handle the click on the unload button.
 *
 * @param w current window
 * @param v current vehicle
 */
static void OrderClick_Unload(Window *w, const Vehicle *v)
{
	DoCommandP(v->tile, v->index + (OrderGetSel(w) << 16), OFB_UNLOAD,    NULL, CMD_MODIFY_ORDER | CMD_MSG(STR_8835_CAN_T_MODIFY_THIS_ORDER));
}

/**
 * Handle the click on the nonstop button.
 *
 * @param w current window
 * @param v current vehicle
 */
static void OrderClick_Nonstop(Window *w, const Vehicle *v)
{
	DoCommandP(v->tile, v->index + (OrderGetSel(w) << 16), OFB_NON_STOP,  NULL, CMD_MODIFY_ORDER | CMD_MSG(STR_8835_CAN_T_MODIFY_THIS_ORDER));
}

/**
 * Handle the click on the transfer button.
 *
 * @param w current window
 * @param v current vehicle
 */
static void OrderClick_Transfer(Window* w, const Vehicle* v)
{
	DoCommandP(v->tile, v->index + (OrderGetSel(w) <<  16), OFB_TRANSFER, NULL, CMD_MODIFY_ORDER | CMD_MSG(STR_8835_CAN_T_MODIFY_THIS_ORDER));
}

/**
 * Handle the click on the skip button.
 * If ctrl is pressed skip to selected order.
 *  Else skip to current order + 1
 *
 * @param w current window
 * @param v current vehicle
 */
static void OrderClick_Skip(Window *w, const Vehicle *v)
{
	/* Don't skip when there's nothing to skip */
	if (_ctrl_pressed && v->cur_order_index == OrderGetSel(w)) return;

	DoCommandP(v->tile, v->index, _ctrl_pressed ? OrderGetSel(w) : ((v->cur_order_index + 1) % v->num_orders),
			NULL, CMD_SKIP_TO_ORDER | CMD_MSG(_ctrl_pressed ? STR_CAN_T_SKIP_TO_ORDER : STR_CAN_T_SKIP_ORDER));
}

/**
 * Handle the click on the unload button.
 *
 * @param w current window
 * @param v current vehicle
 */
static void OrderClick_Delete(Window *w, const Vehicle *v)
{
	DoCommandP(v->tile, v->index, OrderGetSel(w), NULL, CMD_DELETE_ORDER | CMD_MSG(STR_8834_CAN_T_DELETE_THIS_ORDER));
}

/**
 * Handle the click on the refit button.
 * If ctrl is pressed cancel refitting.
 *  Else show the refit window.
 *
 * @param w current window
 * @param v current vehicle
 */
static void OrderClick_Refit(Window *w, const Vehicle *v)
{
	if (_ctrl_pressed) {
		/* Cancel refitting */
		DoCommandP(v->tile, v->index, (WP(w,order_d).sel << 16) | (CT_NO_REFIT << 8) | CT_NO_REFIT, NULL, CMD_ORDER_REFIT);
	} else {
		ShowVehicleRefitWindow(v, WP(w,order_d).sel);
	}
}

typedef void OnButtonVehClick(Window *w, const Vehicle *v);

/**
 * Keycode function mapping.
 *
 * @see _order_keycodes[]
 * @note Keep them allways in sync with _order_keycodes[]!
 */
static OnButtonVehClick* const _order_button_proc[] = {
	OrderClick_Skip,
	OrderClick_Delete,
	OrderClick_Nonstop,
	OrderClick_Goto,
	OrderClick_FullLoad,
	OrderClick_Unload,
	OrderClick_Transfer
};

static const uint16 _order_keycodes[] = {
	'D', //skip order
	'F', //delete order
	'G', //non-stop
	'H', //goto order
	'J', //full load
	'K'  //unload
};

static void OrdersWndProc(Window *w, WindowEvent *e)
{
	switch (e->event) {
		case WE_CREATE:
			/* Ensure that the refit and unload buttons always remain at the same location.
			 * Only one of them can be active at any one time and takes turns on being disabled.
			 * To ensure that they stay at the same location, we also verify that they behave the same
			 * when resizing. */
			if (GetVehicle(w->window_number)->owner == _local_player) { // only the vehicle owner got these buttons
				assert(w->widget[ORDER_WIDGET_REFIT].left          == w->widget[ORDER_WIDGET_UNLOAD].left);
				assert(w->widget[ORDER_WIDGET_REFIT].right         == w->widget[ORDER_WIDGET_UNLOAD].right);
				assert(w->widget[ORDER_WIDGET_REFIT].top           == w->widget[ORDER_WIDGET_UNLOAD].top);
				assert(w->widget[ORDER_WIDGET_REFIT].bottom        == w->widget[ORDER_WIDGET_UNLOAD].bottom);
				assert(w->widget[ORDER_WIDGET_REFIT].display_flags == w->widget[ORDER_WIDGET_UNLOAD].display_flags);
			}
			break;

	case WE_PAINT:
		DrawOrdersWindow(w);
		break;

	case WE_CLICK: {
		const Vehicle *v = GetVehicle(w->window_number);
		switch (e->we.click.widget) {
		case ORDER_WIDGET_ORDER_LIST: {
			ResetObjectToPlace();

			int sel = GetOrderFromOrderWndPt(w, e->we.click.pt.y, v);

			if (sel == INVALID_ORDER) return;

			if (_ctrl_pressed && sel < v->num_orders) {
				const Order *ord = GetVehicleOrder(v, sel);
				TileIndex xy;

				switch (ord->type) {
					case OT_GOTO_STATION:  xy = GetStation(ord->dest)->xy ; break;
					case OT_GOTO_DEPOT:    xy = (v->type == VEH_AIRCRAFT) ?  GetStation(ord->dest)->xy : GetDepot(ord->dest)->xy;    break;
					case OT_GOTO_WAYPOINT: xy = GetWaypoint(ord->dest)->xy; break;
					default:               xy = 0; break;
				}

				if (xy != 0) ScrollMainWindowToTile(xy);
				return;
			} else {
				if (sel == WP(w,order_d).sel) {
					/* Deselect clicked order */
					WP(w,order_d).sel = -1;
				} else {
					/* Select clicked order */
					WP(w,order_d).sel = sel;

					if (v->owner == _local_player) {
						/* Activate drag and drop */
						SetObjectToPlaceWnd(SPR_CURSOR_MOUSE, PAL_NONE, 4, w);
					}
				}
			}

			SetWindowDirty(w);
		} break;

		case ORDER_WIDGET_SKIP:
			OrderClick_Skip(w, v);
			break;

		case ORDER_WIDGET_DELETE:
			OrderClick_Delete(w, v);
			break;

		case ORDER_WIDGET_NON_STOP:
			OrderClick_Nonstop(w, v);
			break;

		case ORDER_WIDGET_GOTO:
			OrderClick_Goto(w, v);
			break;

		case ORDER_WIDGET_FULL_LOAD:
			OrderClick_FullLoad(w, v);
			break;

		case ORDER_WIDGET_UNLOAD:
			OrderClick_Unload(w, v);
			break;
		case ORDER_WIDGET_REFIT:
			OrderClick_Refit(w, v);
			break;

		case ORDER_WIDGET_TRANSFER:
			OrderClick_Transfer(w, v);
			break;
		case ORDER_WIDGET_SHARED_ORDER_LIST:
			ShowVehicleListWindow(v);
			break;
		}
	} break;

	case WE_DRAGDROP: {
		const Vehicle *v = GetVehicle(w->window_number);

		switch (e->we.click.widget) {
			case ORDER_WIDGET_ORDER_LIST: {
				int from_order = OrderGetSel(w);
				int to_order = GetOrderFromOrderWndPt(w, e->we.dragdrop.pt.y, v);

				if (!(from_order == to_order || from_order == INVALID_ORDER || from_order > v->num_orders || to_order == INVALID_ORDER || to_order > v->num_orders) &&
						DoCommandP(v->tile, v->index, from_order | (to_order << 16), NULL, CMD_MOVE_ORDER | CMD_MSG(STR_CAN_T_MOVE_THIS_ORDER))) {
					WP(w, order_d).sel = -1;
				}

				break;
			}

			case ORDER_WIDGET_DELETE:
				OrderClick_Delete(w, v);
				break;
		}

		ResetObjectToPlace();
		break;
	}

	case WE_KEYPRESS: {
		Vehicle *v = GetVehicle(w->window_number);
		uint i;

		if (v->owner != _local_player) break;

		for (i = 0; i < lengthof(_order_keycodes); i++) {
			if (e->we.keypress.keycode == _order_keycodes[i]) {
				e->we.keypress.cont = false;
				//see if the button is disabled
				if (!IsWindowWidgetDisabled(w, i + ORDER_WIDGET_SKIP)) _order_button_proc[i](w, v);
				break;
			}
		}
		break;
	}

	case WE_RCLICK: {
		const Vehicle *v = GetVehicle(w->window_number);
		int s = OrderGetSel(w);

		if (e->we.click.widget != ORDER_WIDGET_FULL_LOAD) break;
		if (s == v->num_orders || GetVehicleOrder(v, s)->type != OT_GOTO_DEPOT) {
			GuiShowTooltips(STR_8857_MAKE_THE_HIGHLIGHTED_ORDER);
		} else {
			GuiShowTooltips(STR_SERVICE_HINT);
		}
	} break;

	case WE_PLACE_OBJ: {
		OrdersPlaceObj(GetVehicle(w->window_number), e->we.place.tile, w);
	} break;

	case WE_ABORT_PLACE_OBJ: {
		RaiseWindowWidget(w, ORDER_WIDGET_GOTO);
		InvalidateWidget( w, ORDER_WIDGET_GOTO);
	} break;

	// check if a vehicle in a depot was clicked..
	case WE_MOUSELOOP: {
		const Vehicle *v = _place_clicked_vehicle;
		/*
		 * Check if we clicked on a vehicle
		 * and if the GOTO button of this window is pressed
		 * This is because of all open order windows WE_MOUSELOOP is called
		 * and if you have 3 windows open, and this check is not done
		 * the order is copied to the last open window instead of the
		 * one where GOTO is enabled
		 */
		if (v != NULL && IsWindowWidgetLowered(w, ORDER_WIDGET_GOTO)) {
			_place_clicked_vehicle = NULL;
			HandleOrderVehClick(GetVehicle(w->window_number), v, w);
		}
	} break;

	case WE_RESIZE:
		/* Update the scroll + matrix */
		w->vscroll.cap = (w->widget[ORDER_WIDGET_ORDER_LIST].bottom - w->widget[ORDER_WIDGET_ORDER_LIST].top) / 10;
		break;

	case WE_TIMEOUT: { // handle button unclick ourselves...
		// unclick all buttons except for the 'goto' button (ORDER_WIDGET_GOTO), which is 'persistent'
		uint i;
		for (i = 0; i < w->widget_count; i++) {
			if (IsWindowWidgetLowered(w, i) && i != ORDER_WIDGET_GOTO) {
				RaiseWindowWidget(w, i);
				InvalidateWidget(w, i);
			}
		}
	} break;
	}
}

/**
 * Widget definition for player train orders
 */
static const Widget _orders_train_widgets[] = {
	{   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,                STR_018B_CLOSE_WINDOW},               // ORDER_WIDGET_CLOSEBOX
	{    WWT_CAPTION,   RESIZE_RIGHT,   14,    11,   398,     0,    13, STR_8829_ORDERS,         STR_018C_WINDOW_TITLE_DRAG_THIS},     // ORDER_WIDGET_CAPTION

	{      WWT_PANEL,   RESIZE_RB,      14,     0,   386,    14,    75, 0x0,                     STR_8852_ORDERS_LIST_CLICK_ON_ORDER}, // ORDER_WIDGET_ORDER_LIST

	{  WWT_SCROLLBAR,   RESIZE_LRB,     14,   387,   398,    14,    75, 0x0,                     STR_0190_SCROLL_BAR_SCROLLS_LIST},    // ORDER_WIDGET_SCROLLBAR

	{ WWT_PUSHTXTBTN,   RESIZE_TB,      14,     0,    52,    76,    87, STR_8823_SKIP,           STR_8853_SKIP_THE_CURRENT_ORDER},     // ORDER_WIDGET_SKIP
	{ WWT_PUSHTXTBTN,   RESIZE_TB,      14,    53,   105,    76,    87, STR_8824_DELETE,         STR_8854_DELETE_THE_HIGHLIGHTED},     // ORDER_WIDGET_DELETE
	{ WWT_PUSHTXTBTN,   RESIZE_TB,      14,   106,   158,    76,    87, STR_8825_NON_STOP,       STR_8855_MAKE_THE_HIGHLIGHTED_ORDER}, // ORDER_WIDGET_NON_STOP
	{    WWT_TEXTBTN,   RESIZE_TB,      14,   159,   211,    76,    87, STR_8826_GO_TO,          STR_8856_INSERT_A_NEW_ORDER_BEFORE},  // ORDER_WIDGET_GOTO
	{ WWT_PUSHTXTBTN,   RESIZE_TB,      14,   212,   264,    76,    87, STR_FULLLOAD_OR_SERVICE, STR_NULL},                            // ORDER_WIDGET_FULL_LOAD
	{ WWT_PUSHTXTBTN,   RESIZE_TB,      14,   265,   319,    76,    87, STR_8828_UNLOAD,         STR_8858_MAKE_THE_HIGHLIGHTED_ORDER}, // ORDER_WIDGET_UNLOAD
	{ WWT_PUSHTXTBTN,   RESIZE_TB,      14,   265,   319,    76,    87, STR_REFIT,               STR_REFIT_TIP},                       // ORDER_WIDGET_REFIT
	{ WWT_PUSHTXTBTN,   RESIZE_TB,      14,   320,   372,    76,    87, STR_886F_TRANSFER,       STR_886D_MAKE_THE_HIGHLIGHTED_ORDER}, // ORDER_WIDGET_TRANSFER

	{ WWT_PUSHIMGBTN,   RESIZE_TB,      14,   373,   386,    76,    87, SPR_SHARED_ORDERS_ICON,  STR_VEH_WITH_SHARED_ORDERS_LIST_TIP}, // ORDER_WIDGET_SHARED_ORDER_LIST

	{      WWT_PANEL,   RESIZE_RTB,     14,   387,   386,    76,    87, 0x0,                     STR_NULL},                            // ORDER_WIDGET_RESIZE_BAR

	{  WWT_RESIZEBOX,   RESIZE_LRTB,    14,   387,   398,    76,    87, 0x0,                     STR_RESIZE_BUTTON},                   // ORDER_WIDGET_RESIZE
	{   WIDGETS_END},
};

static const WindowDesc _orders_train_desc = {
	WDP_AUTO, WDP_AUTO, 399, 88,
	WC_VEHICLE_ORDERS,WC_VEHICLE_VIEW,
	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_RESIZABLE,
	_orders_train_widgets,
	OrdersWndProc
};

/**
 * Widget definition for player orders (!train)
 */
static const Widget _orders_widgets[] = {
	{   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,                STR_018B_CLOSE_WINDOW},               // ORDER_WIDGET_CLOSEBOX
	{    WWT_CAPTION,   RESIZE_RIGHT,   14,    11,   409,     0,    13, STR_8829_ORDERS,         STR_018C_WINDOW_TITLE_DRAG_THIS},     // ORDER_WIDGET_CAPTION

	{      WWT_PANEL,   RESIZE_RB,      14,     0,   397,    14,    75, 0x0,                     STR_8852_ORDERS_LIST_CLICK_ON_ORDER}, // ORDER_WIDGET_ORDER_LIST

	{  WWT_SCROLLBAR,   RESIZE_LRB,     14,   398,   409,    14,    75, 0x0,                     STR_0190_SCROLL_BAR_SCROLLS_LIST},    // ORDER_WIDGET_SCROLLBAR

	{ WWT_PUSHTXTBTN,   RESIZE_TB,      14,     0,    63,    76,    87, STR_8823_SKIP,           STR_8853_SKIP_THE_CURRENT_ORDER},     // ORDER_WIDGET_SKIP
	{ WWT_PUSHTXTBTN,   RESIZE_TB,      14,    64,   128,    76,    87, STR_8824_DELETE,         STR_8854_DELETE_THE_HIGHLIGHTED},     // ORDER_WIDGET_DELETE
	{      WWT_EMPTY,   RESIZE_TB,      14,     0,     0,    76,    87, 0x0,                     0x0},                                 // ORDER_WIDGET_NON_STOP
	{    WWT_TEXTBTN,   RESIZE_TB,      14,   129,   192,    76,    87, STR_8826_GO_TO,          STR_8856_INSERT_A_NEW_ORDER_BEFORE},  // ORDER_WIDGET_GOTO
	{ WWT_PUSHTXTBTN,   RESIZE_TB,      14,   193,   256,    76,    87, STR_FULLLOAD_OR_SERVICE, STR_NULL},                            // ORDER_WIDGET_FULL_LOAD
	{ WWT_PUSHTXTBTN,   RESIZE_TB,      14,   257,   319,    76,    87, STR_8828_UNLOAD,         STR_8858_MAKE_THE_HIGHLIGHTED_ORDER}, // ORDER_WIDGET_UNLOAD
	{ WWT_PUSHTXTBTN,   RESIZE_TB,      14,   257,   319,    76,    87, STR_REFIT,               STR_REFIT_TIP},                       // ORDER_WIDGET_REFIT
	{ WWT_PUSHTXTBTN,   RESIZE_TB,      14,   320,   383,    76,    87, STR_886F_TRANSFER,       STR_886D_MAKE_THE_HIGHLIGHTED_ORDER}, // ORDER_WIDGET_TRANSFER

	{ WWT_PUSHIMGBTN,   RESIZE_TB,      14,   384,   397,    76,    87, SPR_SHARED_ORDERS_ICON,  STR_VEH_WITH_SHARED_ORDERS_LIST_TIP}, // ORDER_WIDGET_SHARED_ORDER_LIST

	{      WWT_PANEL,   RESIZE_RTB,     14,   397,   396,    76,    87, 0x0,                     STR_NULL},                            // ORDER_WIDGET_RESIZE_BAR

	{  WWT_RESIZEBOX,   RESIZE_LRTB,    14,   398,   409,    76,    87, 0x0,                     STR_RESIZE_BUTTON},                   // ORDER_WIDGET_RESIZE
	{   WIDGETS_END},
};

static const WindowDesc _orders_desc = {
	WDP_AUTO, WDP_AUTO, 410, 88,
	WC_VEHICLE_ORDERS,WC_VEHICLE_VIEW,
	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_RESIZABLE,
	_orders_widgets,
	OrdersWndProc
};

/**
 * Widget definition for competitor orders
 */
static const Widget _other_orders_widgets[] = {
	{   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,        STR_018B_CLOSE_WINDOW},               // ORDER_WIDGET_CLOSEBOX
	{    WWT_CAPTION,   RESIZE_RIGHT,   14,    11,   331,     0,    13, STR_A00B_ORDERS, STR_018C_WINDOW_TITLE_DRAG_THIS},     // ORDER_WIDGET_CAPTION

	{      WWT_PANEL,   RESIZE_RB,      14,     0,   319,    14,    75, 0x0,             STR_8852_ORDERS_LIST_CLICK_ON_ORDER}, // ORDER_WIDGET_ORDER_LIST

	{  WWT_SCROLLBAR,   RESIZE_LRB,     14,   320,   331,    14,    75, 0x0,             STR_0190_SCROLL_BAR_SCROLLS_LIST},    // ORDER_WIDGET_SCROLLBAR

	{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   319,    76,    87, 0x0,             STR_NULL},                            // ORDER_WIDGET_SKIP
	{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   319,    76,    87, 0x0,             STR_NULL},                            // ORDER_WIDGET_DELETE
	{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   319,    76,    87, 0x0,             STR_NULL},                            // ORDER_WIDGET_NON_STOP
	{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   319,    76,    87, 0x0,             STR_NULL},                            // ORDER_WIDGET_GOTO
	{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   319,    76,    87, 0x0,             STR_NULL},                            // ORDER_WIDGET_FULL_LOAD
	{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   319,    76,    87, 0x0,             STR_NULL},                            // ORDER_WIDGET_UNLOAD
	{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   319,    76,    87, 0x0,             STR_NULL},                            // ORDER_WIDGET_REFIT
	{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   319,    76,    87, 0x0,             STR_NULL},                            // ORDER_WIDGET_TRANSFER

	{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   319,    76,    87, 0x0,             STR_NULL},                            // ORDER_WIDGET_SHARED_ORDER_LIST

	{      WWT_PANEL,   RESIZE_RTB,     14,     0,   319,    76,    87, 0x0,             STR_NULL},                            // ORDER_WIDGET_RESIZE_BAR

	{  WWT_RESIZEBOX,   RESIZE_LRTB,    14,   320,   331,    76,    87, 0x0,             STR_RESIZE_BUTTON},                   // ORDER_WIDGET_RESIZE
	{   WIDGETS_END},
};

static const WindowDesc _other_orders_desc = {
	WDP_AUTO, WDP_AUTO, 332, 88,
	WC_VEHICLE_ORDERS,WC_VEHICLE_VIEW,
	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_RESIZABLE,
	_other_orders_widgets,
	OrdersWndProc
};

void ShowOrdersWindow(const Vehicle *v)
{
	Window *w;
	VehicleID veh = v->index;

	DeleteWindowById(WC_VEHICLE_ORDERS, veh);
	DeleteWindowById(WC_VEHICLE_DETAILS, veh);

	if (v->owner != _local_player) {
		w = AllocateWindowDescFront(&_other_orders_desc, veh);
	} else {
		w = AllocateWindowDescFront((v->type == VEH_TRAIN) ? &_orders_train_desc : &_orders_desc, veh);
	}

	if (w != NULL) {
		w->caption_color = v->owner;
		w->vscroll.cap = 6;
		w->resize.step_height = 10;
		WP(w,order_d).sel = -1;
	}
}
