1

/* $Id$ */

     2

     3

/** @file depot_gui.cpp The GUI for depots. */

     4

     5

#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "train.h"

     8

#include "roadveh.h"

     9

#include "ship.h"

    10

#include "aircraft.h"

    11

#include "gui.h"

    12

#include "textbuf_gui.h"

    13

#include "viewport_func.h"

    14

#include "gfx_func.h"

    15

#include "command_func.h"

    16

#include "depot_base.h"

    17

#include "vehicle_gui.h"

    18

#include "station_map.h"

    19

#include "newgrf_engine.h"

    20

#include "spritecache.h"

    21

#include "strings_func.h"

    22

#include "window_func.h"

    23

#include "vehicle_func.h"

    24

#include "player_func.h"

    25

#include "order_func.h"

    26

#include "depot_base.h"

    27

#include "tilehighlight_func.h"

    28

#include "window_gui.h"

    29

    30

#include "table/strings.h"

    31

#include "table/sprites.h"

    32

    33

/*

    34

 * Since all depot window sizes aren't the same, we need to modify sizes a little.

    35

 * It's done with the following arrays of widget indexes. Each of them tells if a widget side should be moved and in what direction.

    36

 * How long they should be moved and for what window types are controlled in ShowDepotWindow()

    37

 */

    38

    39

/* Names of the widgets. Keep them in the same order as in the widget array */

    40

enum DepotWindowWidgets {

    41

	DEPOT_WIDGET_CLOSEBOX = 0,

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	DEPOT_WIDGET_CAPTION,

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	DEPOT_WIDGET_STICKY,

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	DEPOT_WIDGET_SELL,

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	DEPOT_WIDGET_SELL_CHAIN,

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	DEPOT_WIDGET_SELL_ALL,

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	DEPOT_WIDGET_AUTOREPLACE,

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	DEPOT_WIDGET_MATRIX,

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	DEPOT_WIDGET_V_SCROLL, ///< Vertical scrollbar

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	DEPOT_WIDGET_H_SCROLL, ///< Horizontal scrollbar

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	DEPOT_WIDGET_BUILD,

    52

	DEPOT_WIDGET_CLONE,

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	DEPOT_WIDGET_LOCATION,

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	DEPOT_WIDGET_VEHICLE_LIST,

    55

	DEPOT_WIDGET_STOP_ALL,

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	DEPOT_WIDGET_START_ALL,

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	DEPOT_WIDGET_RESIZE,

    58

};

    59

    60

/* Widget array for all depot windows.

    61

 * If a widget is needed in some windows only (like train specific), add it for all windows

    62

 * and use HideWindowWidget in ShowDepotWindow() to remove it in the windows where it should not be

    63

 * Keep the widget numbers in sync with the enum or really bad stuff will happen!!! */

    64

    65

/* When adding widgets, place them as you would place them for the ship depot and define how you want it to move in widget_moves[]

    66

 * If you want a widget for one window only, set it to be hidden in ShowDepotWindow() for the windows where you don't want it

    67

 * NOTE: the train only widgets are moved/resized in ShowDepotWindow() so they follow certain other widgets if they are moved to ensure that they stick together.

    68

 *    Changing the size of those here will not have an effect at all. It should be done in ShowDepotWindow()

    69

 */

    70

    71

/*

    72

 * Some of the widgets are placed outside the window (negative coordinates).

    73

 * The reason is that they are placed relatively to the matrix and the matrix is just one pixel (in 0, 14).

    74

 * The matrix and the rest of the window will be resized when the size of the boxes is set and then all the widgets will be inside the window.

    75

 */

    76

static const Widget _depot_widgets[] = {

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	{   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,            STR_018B_CLOSE_WINDOW},            // DEPOT_WIDGET_CLOSEBOX

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	{    WWT_CAPTION,  RESIZE_RIGHT,    14,    11,    23,     0,    13, 0x0,                 STR_018C_WINDOW_TITLE_DRAG_THIS},  // DEPOT_WIDGET_CAPTION

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	{  WWT_STICKYBOX,     RESIZE_LR,    14,    24,    35,     0,    13, 0x0,                 STR_STICKY_BUTTON},                // DEPOT_WIDGET_STICKY

    80

    81

	/* Widgets are set up run-time */

    82

	{     WWT_IMGBTN,    RESIZE_LRB,    14,     1,    23,    14,   -32, 0x0,                 STR_NULL},                         // DEPOT_WIDGET_SELL

    83

	{     WWT_IMGBTN,   RESIZE_LRTB,    14,     1,    23,   -55,   -32, SPR_SELL_CHAIN_TRAIN,STR_DRAG_WHOLE_TRAIN_TO_SELL_TIP}, // DEPOT_WIDGET_SELL_CHAIN, trains only

    84

	{ WWT_PUSHIMGBTN,   RESIZE_LRTB,    14,     1,    23,   -31,    -9, 0x0,                 STR_NULL},                         // DEPOT_WIDGET_SELL_ALL

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	{ WWT_PUSHIMGBTN,   RESIZE_LRTB,    14,     1,    23,    -8,    14, 0x0,                 STR_NULL},                         // DEPOT_WIDGET_AUTOREPLACE

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    87

	{     WWT_MATRIX,     RESIZE_RB,    14,     0,     0,    14,    14, 0x0,                 STR_NULL},                         // DEPOT_WIDGET_MATRIX

    88

	{  WWT_SCROLLBAR,    RESIZE_LRB,    14,    24,    35,    14,    14, 0x0,                 STR_0190_SCROLL_BAR_SCROLLS_LIST}, // DEPOT_WIDGET_V_SCROLL

    89

    90

	{ WWT_HSCROLLBAR,    RESIZE_RTB,    14,     0,     0,     3,    14, 0x0,                 STR_HSCROLL_BAR_SCROLLS_LIST},     // DEPOT_WIDGET_H_SCROLL, trains only

    91

    92

	/* The buttons in the bottom of the window. left and right is not important as they are later resized to be equal in size

    93

	 * This calculation is based on right in DEPOT_WIDGET_LOCATION and it presumes left of DEPOT_WIDGET_BUILD is 0            */

    94

	{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,     0,    15,    26, 0x0,                 STR_NULL},                         // DEPOT_WIDGET_BUILD

    95

	{    WWT_TEXTBTN,     RESIZE_TB,    14,     0,     0,    15,    26, 0x0,                 STR_NULL},                         // DEPOT_WIDGET_CLONE

    96

	{ WWT_PUSHTXTBTN,    RESIZE_RTB,    14,     0,   -12,    15,    26, STR_00E4_LOCATION,   STR_NULL},                         // DEPOT_WIDGET_LOCATION

    97

	{ WWT_PUSHTXTBTN,   RESIZE_LRTB,    14,   -11,     0,    15,    26, 0x0,                 STR_NULL},                         // DEPOT_WIDGET_VEHICLE_LIST

    98

	{ WWT_PUSHIMGBTN,   RESIZE_LRTB,    14,     1,    11,    15,    26, SPR_FLAG_VEH_STOPPED,STR_NULL},                         // DEPOT_WIDGET_STOP_ALL

    99

	{ WWT_PUSHIMGBTN,   RESIZE_LRTB,    14,    12,    23,    15,    26, SPR_FLAG_VEH_RUNNING,STR_NULL},                         // DEPOT_WIDGET_START_ALL

   100

	{  WWT_RESIZEBOX,   RESIZE_LRTB,    14,    24,    35,    15,    26, 0x0,                 STR_RESIZE_BUTTON},                // DEPOT_WIDGET_RESIZE

   101

	{   WIDGETS_END},

   102

};

   103

   104

   105

static const WindowDesc _train_depot_desc = {

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	WDP_AUTO, WDP_AUTO, 36, 27, 36, 27,

   107

	WC_VEHICLE_DEPOT, WC_NONE,

   108

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,

   109

	_depot_widgets,

   110

};

   111

   112

static const WindowDesc _road_depot_desc = {

   113

	WDP_AUTO, WDP_AUTO, 36, 27, 36, 27,

   114

	WC_VEHICLE_DEPOT, WC_NONE,

   115

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,

   116

	_depot_widgets,

   117

};

   118

   119

static const WindowDesc _ship_depot_desc = {

   120

	WDP_AUTO, WDP_AUTO, 36, 27, 36, 27,

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	WC_VEHICLE_DEPOT, WC_NONE,

   122

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,

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	_depot_widgets,

   124

};

   125

   126

static const WindowDesc _aircraft_depot_desc = {

   127

	WDP_AUTO, WDP_AUTO, 36, 27, 36, 27,

   128

	WC_VEHICLE_DEPOT, WC_NONE,

   129

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,

   130

	_depot_widgets,

   131

};

   132

   133

extern int WagonLengthToPixels(int len);

   134

extern void DepotSortList(VehicleList *list);

   135

   136

/**

   137

 * This is the Callback method after the cloning attempt of a vehicle

   138

 * @param success indicates completion (or not) of the operation

   139

 * @param tile unused

   140

 * @param p1 unused

   141

 * @param p2 unused

   142

 */

   143

void CcCloneVehicle(bool success, TileIndex tile, uint32 p1, uint32 p2)

   144

{

   145

	if (!success) return;

   146

   147

	const Vehicle *v = GetVehicle(_new_vehicle_id);

   148

   149

	ShowVehicleViewWindow(v);

   150

}

   151

   152

static void TrainDepotMoveVehicle(const Vehicle *wagon, VehicleID sel, const Vehicle *head)

   153

{

   154

	const Vehicle *v = GetVehicle(sel);

   155

   156

	if (v == wagon) return;

   157

   158

	if (wagon == NULL) {

   159

		if (head != NULL) wagon = GetLastVehicleInChain(head);

   160

	} else  {

   161

		wagon = wagon->Previous();

   162

		if (wagon == NULL) return;

   163

	}

   164

   165

	if (wagon == v) return;

   166

   167

	DoCommandP(v->tile, v->index + ((wagon == NULL ? INVALID_VEHICLE : wagon->index) << 16), _ctrl_pressed ? 1 : 0, NULL, CMD_MOVE_RAIL_VEHICLE | CMD_MSG(STR_8837_CAN_T_MOVE_VEHICLE));

   168

}

   169

   170

/* Array to hold the block sizes

   171

 * First part is the vehicle type, while the last is 0 = x, 1 = y */

   172

uint _block_sizes[4][2];

   173

   174

/* Array to hold the default resize capacities

   175

* First part is the vehicle type, while the last is 0 = x, 1 = y */

   176

const uint _resize_cap[][2] = {

   177

/* VEH_TRAIN */    {6, 10 * 29},

   178

/* VEH_ROAD */     {5, 5},

   179

/* VEH_SHIP */     {3, 3},

   180

/* VEH_AIRCRAFT */ {3, 4},

   181

};

   182

   183

static void ResizeDefaultWindowSizeForTrains()

   184

{

   185

	_block_sizes[VEH_TRAIN][0] = 1;

   186

	_block_sizes[VEH_TRAIN][1] = GetVehicleListHeight(VEH_TRAIN);

   187

}

   188

   189

static void ResizeDefaultWindowSizeForRoadVehicles()

   190

{

   191

	_block_sizes[VEH_ROAD][0] = 56;

   192

	_block_sizes[VEH_ROAD][1] = GetVehicleListHeight(VEH_ROAD);

   193

}

   194

   195

static void ResizeDefaultWindowSize(VehicleType type)

   196

{

   197

	uint max_width  = 0;

   198

	uint max_height = 0;

   199

   200

	const Engine *e;

   201

	FOR_ALL_ENGINES_OF_TYPE(e, type) {

   202

		EngineID eid = e->index;

   203

		uint x, y;

   204

   205

		switch (type) {

   206

			default: NOT_REACHED();

   207

			case VEH_SHIP:     GetShipSpriteSize(    eid, x, y); break;

   208

			case VEH_AIRCRAFT: GetAircraftSpriteSize(eid, x, y); break;

   209

		}

   210

		if (x > max_width)  max_width  = x;

   211

		if (y > max_height) max_height = y;

   212

	}

   213

   214

	switch (type) {

   215

		default: NOT_REACHED();

   216

		case VEH_SHIP:

   217

			_block_sizes[VEH_SHIP][0] = max(90U, max_width + 20); // we need 20 pixels from the right edge to the sprite

   218

			break;

   219

		case VEH_AIRCRAFT:

   220

			_block_sizes[VEH_AIRCRAFT][0] = max(74U, max_width);

   221

			break;

   222

	}

   223

	_block_sizes[type][1] = max(GetVehicleListHeight(type), max_height);

   224

}

   225

   226

/* Set the size of the blocks in the window so we can be sure that they are big enough for the vehicle sprites in the current game

   227

 * We will only need to call this once for each game */

   228

void InitDepotWindowBlockSizes()

   229

{

   230

	ResizeDefaultWindowSizeForTrains();

   231

	ResizeDefaultWindowSizeForRoadVehicles();

   232

	ResizeDefaultWindowSize(VEH_SHIP);

   233

	ResizeDefaultWindowSize(VEH_AIRCRAFT);

   234

}

   235

   236

static void DepotSellAllConfirmationCallback(Window *w, bool confirmed);

   237

const Sprite *GetAircraftSprite(EngineID engine);

   238

   239

struct DepotWindow : Window {

   240

	VehicleID sel;

   241

	VehicleType type;

   242

	bool generate_list;

   243

	VehicleList vehicle_list;

   244

	VehicleList wagon_list;

   245

   246

	DepotWindow(const WindowDesc *desc, WindowNumber window_number) : Window(desc, window_number)

   247

	{

   248

		this->sel = INVALID_VEHICLE;

   249

		this->generate_list = true;

   250

   251

		this->FindWindowPlacementAndResize(desc);

   252

	}

   253

   254

	~DepotWindow()

   255

	{

   256

		DeleteWindowById(WC_BUILD_VEHICLE, this->window_number);

   257

	}

   258

   259

	/** Draw a vehicle in the depot window in the box with the top left corner at x,y

   260

	* @param *w Window to draw in

   261

	* @param *v Vehicle to draw

   262

	* @param x Left side of the box to draw in

   263

	* @param y Top of the box to draw in

   264

	*/

   265

	void DrawVehicleInDepot(Window *w, const Vehicle *v, int x, int y)

   266

	{

   267

		byte diff_x = 0, diff_y = 0;

   268

   269

		int sprite_y = y + this->resize.step_height - GetVehicleListHeight(v->type);

   270

   271

		switch (v->type) {

   272

			case VEH_TRAIN:

   273

				DrawTrainImage(v, x + 21, sprite_y, this->sel, this->hscroll.cap + 4, this->hscroll.pos);

   274

   275

				/* Number of wagons relative to a standard length wagon (rounded up) */

   276

				SetDParam(0, (v->u.rail.cached_total_length + 7) / 8);

   277

				DrawStringRightAligned(this->widget[DEPOT_WIDGET_MATRIX].right - 1, y + 4, STR_TINY_BLACK, TC_FROMSTRING); // Draw the counter

   278

				break;

   279

   280

			case VEH_ROAD:     DrawRoadVehImage( v, x + 24, sprite_y, this->sel, 1); break;

   281

			case VEH_SHIP:     DrawShipImage(    v, x + 19, sprite_y - 1, this->sel); break;

   282

			case VEH_AIRCRAFT: {

   283

				const Sprite *spr = GetSprite(v->GetImage(DIR_W));

   284

				DrawAircraftImage(v, x + 12,

   285

									y + max(spr->height + spr->y_offs - 14, 0), // tall sprites needs an y offset

   286

									this->sel);

   287

			} break;

   288

			default: NOT_REACHED();

   289

		}

   290

   291

		if (this->resize.step_height == 14) {

   292

			/* VEH_TRAIN and VEH_ROAD, which are low */

   293

			diff_x = 15;

   294

		} else {

   295

			/* VEH_SHIP and VEH_AIRCRAFT, which are tall */

   296

			diff_y = 12;

   297

		}

   298

   299

		DrawSprite((v->vehstatus & VS_STOPPED) ? SPR_FLAG_VEH_STOPPED : SPR_FLAG_VEH_RUNNING, PAL_NONE, x + diff_x, y + diff_y);

   300

   301

		SetDParam(0, v->unitnumber);

   302

		DrawString(x, y + 2, (uint16)(v->max_age - 366) >= v->age ? STR_00E2 : STR_00E3, TC_FROMSTRING);

   303

	}

   304

   305

	void DrawDepotWindow(Window *w)

   306

	{

   307

		TileIndex tile = this->window_number;

   308

		int x, y, i, maxval;

   309

		uint16 hnum;

   310

   311

		/* Set the row and number of boxes in each row based on the number of boxes drawn in the matrix */

   312

		uint16 rows_in_display   = this->widget[DEPOT_WIDGET_MATRIX].data >> 8;

   313

		uint16 boxes_in_each_row = this->widget[DEPOT_WIDGET_MATRIX].data & 0xFF;

   314

   315

		/* setup disabled buttons */

   316

		this->SetWidgetsDisabledState(!IsTileOwner(tile, _local_player),

   317

			DEPOT_WIDGET_STOP_ALL,

   318

			DEPOT_WIDGET_START_ALL,

   319

			DEPOT_WIDGET_SELL,

   320

			DEPOT_WIDGET_SELL_CHAIN,

   321

			DEPOT_WIDGET_SELL_ALL,

   322

			DEPOT_WIDGET_BUILD,

   323

			DEPOT_WIDGET_CLONE,

   324

			DEPOT_WIDGET_AUTOREPLACE,

   325

			WIDGET_LIST_END);

   326

   327

		/* determine amount of items for scroller */

   328

		if (this->type == VEH_TRAIN) {

   329

			hnum = 8;

   330

			for (uint num = 0; num < this->vehicle_list.Length(); num++) {

   331

				const Vehicle *v = this->vehicle_list[num];

   332

				hnum = max(hnum, v->u.rail.cached_total_length);

   333

			}

   334

			/* Always have 1 empty row, so people can change the setting of the train */

   335

			SetVScrollCount(w, this->vehicle_list.Length() + this->wagon_list.Length() + 1);

   336

			SetHScrollCount(w, WagonLengthToPixels(hnum));

   337

		} else {

   338

			SetVScrollCount(w, (this->vehicle_list.Length() + this->hscroll.cap - 1) / this->hscroll.cap);

   339

		}

   340

   341

		/* locate the depot struct */

   342

		if (this->type == VEH_AIRCRAFT) {

   343

			SetDParam(0, GetStationIndex(tile)); // Airport name

   344

		} else {

   345

			Depot *depot = GetDepotByTile(tile);

   346

			assert(depot != NULL);

   347

   348

			SetDParam(0, depot->town_index);

   349

		}

   350

   351

		w->DrawWidgets();

   352

   353

		uint16 num = this->vscroll.pos * boxes_in_each_row;

   354

		maxval = min(this->vehicle_list.Length(), num + (rows_in_display * boxes_in_each_row));

   355

   356

		for (x = 2, y = 15; num < maxval; y += this->resize.step_height, x = 2) { // Draw the rows

   357

			byte i;

   358

   359

			for (i = 0; i < boxes_in_each_row && num < maxval; i++, num++, x += this->resize.step_width) {

   360

				/* Draw all vehicles in the current row */

   361

				const Vehicle *v = this->vehicle_list[num];

   362

				DrawVehicleInDepot(w, v, x, y);

   363

			}

   364

		}

   365

   366

		maxval = min(this->vehicle_list.Length() + this->wagon_list.Length(), (this->vscroll.pos * boxes_in_each_row) + (rows_in_display * boxes_in_each_row));

   367

   368

		/* draw the train wagons, that do not have an engine in front */

   369

		for (; num < maxval; num++, y += 14) {

   370

			const Vehicle *v = this->wagon_list[num - this->vehicle_list.Length()];

   371

			const Vehicle *u;

   372

   373

			DrawTrainImage(v, x + 50, y, this->sel, this->hscroll.cap - 29, 0);

   374

			DrawString(x, y + 2, STR_8816, TC_FROMSTRING);

   375

   376

			/*Draw the train counter */

   377

			i = 0;

   378

			u = v;

   379

			do i++; while ((u = u->Next()) != NULL); // Determine length of train

   380

			SetDParam(0, i);                      // Set the counter

   381

			DrawStringRightAligned(this->widget[DEPOT_WIDGET_MATRIX].right - 1, y + 4, STR_TINY_BLACK, TC_FROMSTRING); // Draw the counter

   382

		}

   383

	}

   384

   385

	struct GetDepotVehiclePtData {

   386

		const Vehicle *head;

   387

		const Vehicle *wagon;

   388

	};

   389

   390

	enum DepotGUIAction {

   391

		MODE_ERROR,

   392

		MODE_DRAG_VEHICLE,

   393

		MODE_SHOW_VEHICLE,

   394

		MODE_START_STOP,

   395

	};

   396

   397

	DepotGUIAction GetVehicleFromDepotWndPt(int x, int y, const Vehicle **veh, GetDepotVehiclePtData *d) const

   398

	{

   399

		uint xt, row, xm = 0, ym = 0;

   400

		int pos, skip = 0;

   401

		uint16 boxes_in_each_row = this->widget[DEPOT_WIDGET_MATRIX].data & 0xFF;

   402

   403

		if (this->type == VEH_TRAIN) {

   404

			xt = 0;

   405

			x -= 23;

   406

		} else {

   407

			xt = x / this->resize.step_width;

   408

			xm = x % this->resize.step_width;

   409

			if (xt >= this->hscroll.cap) return MODE_ERROR;

   410

   411

			ym = (y - 14) % this->resize.step_height;

   412

		}

   413

   414

		row = (y - 14) / this->resize.step_height;

   415

		if (row >= this->vscroll.cap) return MODE_ERROR;

   416

   417

		pos = ((row + this->vscroll.pos) * boxes_in_each_row) + xt;

   418

   419

		if ((int)(this->vehicle_list.Length() + this->wagon_list.Length()) <= pos) {

   420

			if (this->type == VEH_TRAIN) {

   421

				d->head  = NULL;

   422

				d->wagon = NULL;

   423

				return MODE_DRAG_VEHICLE;

   424

			} else {

   425

				return MODE_ERROR; // empty block, so no vehicle is selected

   426

			}

   427

		}

   428

   429

		if ((int)this->vehicle_list.Length() > pos) {

   430

			*veh = this->vehicle_list[pos];

   431

			skip = this->hscroll.pos;

   432

		} else {

   433

			pos -= this->vehicle_list.Length();

   434

			*veh = this->wagon_list[pos];

   435

			/* free wagons don't have an initial loco. */

   436

			x -= _traininfo_vehicle_width;

   437

		}

   438

   439

		switch (this->type) {

   440

			case VEH_TRAIN: {

   441

				const Vehicle *v = *veh;

   442

				d->head = d->wagon = v;

   443

   444

				/* either pressed the flag or the number, but only when it's a loco */

   445

				if (x < 0 && IsFrontEngine(v)) return (x >= -10) ? MODE_START_STOP : MODE_SHOW_VEHICLE;

   446

   447

				skip = (skip * 8) / _traininfo_vehicle_width;

   448

				x = (x * 8) / _traininfo_vehicle_width;

   449

   450

				/* Skip vehicles that are scrolled off the list */

   451

				x += skip;

   452

   453

				/* find the vehicle in this row that was clicked */

   454

				while (v != NULL && (x -= v->u.rail.cached_veh_length) >= 0) v = v->Next();

   455

   456

				/* if an articulated part was selected, find its parent */

   457

				while (v != NULL && IsArticulatedPart(v)) v = v->Previous();

   458

   459

				d->wagon = v;

   460

   461

				return MODE_DRAG_VEHICLE;

   462

				}

   463

				break;

   464

   465

			case VEH_ROAD:

   466

				if (xm >= 24) return MODE_DRAG_VEHICLE;

   467

				if (xm <= 16) return MODE_SHOW_VEHICLE;

   468

				break;

   469

   470

			case VEH_SHIP:

   471

				if (xm >= 19) return MODE_DRAG_VEHICLE;

   472

				if (ym <= 10) return MODE_SHOW_VEHICLE;

   473

				break;

   474

   475

			case VEH_AIRCRAFT:

   476

				if (xm >= 12) return MODE_DRAG_VEHICLE;

   477

				if (ym <= 12) return MODE_SHOW_VEHICLE;

   478

				break;

   479

   480

			default: NOT_REACHED();

   481

		}

   482

		return MODE_START_STOP;

   483

	}

   484

   485

	void DepotClick(int x, int y)

   486

	{

   487

		GetDepotVehiclePtData gdvp = { NULL, NULL };

   488

		const Vehicle *v = NULL;

   489

		DepotGUIAction mode = this->GetVehicleFromDepotWndPt(x, y, &v, &gdvp);

   490

   491

		/* share / copy orders */