1

/* $Id$ */

     2

     3

/** @file group_gui.cpp */

     4

     5

#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "functions.h"

     8

#include "table/strings.h"

     9

#include "table/sprites.h"

    10

#include "window.h"

    11

#include "gui.h"

    12

#include "gfx.h"

    13

#include "vehicle.h"

    14

#include "command.h"

    15

#include "engine.h"

    16

#include "vehicle_gui.h"

    17

#include "depot.h"

    18

#include "train.h"

    19

#include "date.h"

    20

#include "group.h"

    21

#include "helpers.hpp"

    22

#include "viewport.h"

    23

#include "strings.h"

    24

#include "debug.h"

    25

    26

    27

struct Sorting {

    28

	Listing aircraft;

    29

	Listing roadveh;

    30

	Listing ship;

    31

	Listing train;

    32

};

    33

    34

static Sorting _sorting;

    35

    36

    37

static void BuildGroupList(grouplist_d* gl, PlayerID owner, VehicleType vehicle_type)

    38

{

    39

	const Group** list;

    40

	const Group *g;

    41

	uint n = 0;

    42

    43

	if (!(gl->l.flags & VL_REBUILD)) return;

    44

    45

	list = MallocT<const Group*>(GetGroupArraySize());

    46

	if (list == NULL) {

    47

		error("Could not allocate memory for the group-sorting-list");

    48

	}

    49

    50

	FOR_ALL_GROUPS(g) {

    51

		if (g->owner == owner && g->vehicle_type == vehicle_type) list[n++] = g;

    52

	}

    53

    54

	free((void*)gl->sort_list);

    55

	gl->sort_list = MallocT<const Group *>(n);

    56

	if (n != 0 && gl->sort_list == NULL) {

    57

		error("Could not allocate memory for the group-sorting-list");

    58

	}

    59

	gl->l.list_length = n;

    60

    61

	for (uint i = 0; i < n; ++i) gl->sort_list[i] = list[i];

    62

	free((void*)list);

    63

    64

	gl->l.flags &= ~VL_REBUILD;

    65

	gl->l.flags |= VL_RESORT;

    66

}

    67

    68

    69

static int CDECL GroupNameSorter(const void *a, const void *b)

    70

{

    71

	static const Group *last_group[2] = { NULL, NULL };

    72

	static char         last_name[2][64] = { "", "" };

    73

    74

	const Group *ga = *(const Group**)a;

    75

	const Group *gb = *(const Group**)b;

    76

	int r;

    77

    78

	if (ga != last_group[0]) {

    79

		last_group[0] = ga;

    80

		SetDParam(0, ga->index);

    81

		GetString(last_name[0], STR_GROUP_NAME, lastof(last_name[0]));

    82

	}

    83

    84

	if (gb != last_group[1]) {

    85

		last_group[1] = gb;

    86

		SetDParam(0, gb->index);

    87

		GetString(last_name[1], STR_GROUP_NAME, lastof(last_name[1]));

    88

	}

    89

    90

	r = strcmp(last_name[0], last_name[1]); // sort by name

    91

    92

	if (r == 0) return ga->index - gb->index;

    93

    94

	return r;

    95

}

    96

    97

    98

static void SortGroupList(grouplist_d *gl)

    99

{

   100

	if (!(gl->l.flags & VL_RESORT)) return;

   101

   102

	qsort((void*)gl->sort_list, gl->l.list_length, sizeof(gl->sort_list[0]), GroupNameSorter);

   103

   104

	gl->l.resort_timer = DAY_TICKS * PERIODIC_RESORT_DAYS;

   105

	gl->l.flags &= ~VL_RESORT;

   106

}

   107

   108

   109

enum GroupListWidgets {

   110

	GRP_WIDGET_CLOSEBOX = 0,

   111

	GRP_WIDGET_CAPTION,

   112

	GRP_WIDGET_STICKY,

   113

	GRP_WIDGET_EMPTY_TOP_LEFT,

   114

	GRP_WIDGET_ALL_VEHICLES,

   115

	GRP_WIDGET_DEFAULT_VEHICLES,

   116

	GRP_WIDGET_LIST_GROUP,

   117

	GRP_WIDGET_LIST_GROUP_SCROLLBAR,

   118

	GRP_WIDGET_SORT_BY_ORDER,

   119

	GRP_WIDGET_SORT_BY_TEXT,

   120

	GRP_WIDGET_SORT_BY_DROPDOWN,

   121

	GRP_WIDGET_EMPTY_TOP_RIGHT,

   122

	GRP_WIDGET_LIST_VEHICLE,

   123

	GRP_WIDGET_LIST_VEHICLE_SCROLLBAR,

   124

	GRP_WIDGET_CREATE_GROUP,

   125

	GRP_WIDGET_DELETE_GROUP,

   126

	GRP_WIDGET_RENAME_GROUP,

   127

	GRP_WIDGET_EMPTY1,

   128

	GRP_WIDGET_REPLACE_PROTECTION,

   129

	GRP_WIDGET_EMPTY2,

   130

	GRP_WIDGET_AVAILABLE_VEHICLES,

   131

	GRP_WIDGET_MANAGE_VEHICLES,

   132

	GRP_WIDGET_MANAGE_VEHICLES_DROPDOWN,

   133

	GRP_WIDGET_STOP_ALL,

   134

	GRP_WIDGET_START_ALL,

   135

	GRP_WIDGET_EMPTY_BOTTOM_RIGHT,

   136

	GRP_WIDGET_RESIZE,

   137

};

   138

   139

   140

static const Widget _group_widgets[] = {

   141

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

   144

{      WWT_PANEL,   RESIZE_NONE,    14,     0,   200,    14,    25, 0x0,                  STR_NULL},

   145

{      WWT_PANEL,   RESIZE_NONE,    14,     0,   200,    26,    38, 0x0,                  STR_NULL},

   146

{      WWT_PANEL,   RESIZE_NONE,    14,     0,   200,    39,    52, 0x0,                  STR_NULL},

   149

{ WWT_PUSHTXTBTN,   RESIZE_NONE,    14,   201,   281,    14,    25, STR_SORT_BY,          STR_SORT_ORDER_TIP},

   150

{      WWT_PANEL,   RESIZE_NONE,    14,   282,   435,    14,    25, 0x0,                  STR_SORT_CRITERIA_TIP},

   151

{    WWT_TEXTBTN,   RESIZE_NONE,    14,   436,   447,    14,    25, STR_0225,             STR_SORT_CRITERIA_TIP},

   168

{   WIDGETS_END},

   169

};

   170

   171

   172

static void CreateVehicleGroupWindow(Window *w)

   173

{

   174

	const PlayerID owner = (PlayerID)GB(w->window_number, 0, 8);

   175

	groupveh_d *gv = &WP(w, groupveh_d);

   176

	grouplist_d *gl = &WP(w, groupveh_d).gl;

   177

   178

	w->caption_color = owner;

   180

	w->resize.step_width = 1;

   181

   182

	switch (gv->vehicle_type) {

   183

		default: NOT_REACHED();

   184

		case VEH_TRAIN:

   185

		case VEH_ROAD:

   188

			w->resize.step_height = PLY_WND_PRC__SIZE_OF_ROW_SMALL;

   189

			break;

   190

		case VEH_SHIP:

   191

		case VEH_AIRCRAFT:

   192

			w->vscroll.cap = 9;

   193

			w->vscroll2.cap = 4;

   194

			w->resize.step_height = PLY_WND_PRC__SIZE_OF_ROW_BIG2;

   195

			break;

   196

	}

   197

   198

	w->widget[GRP_WIDGET_LIST_GROUP].data = (w->vscroll.cap << 8) + 1;

   199

	w->widget[GRP_WIDGET_LIST_VEHICLE].data = (w->vscroll2.cap << 8) + 1;

   200

   201

	switch (gv->vehicle_type) {

   202

		default: NOT_REACHED(); break;

   203

		case VEH_TRAIN:    gv->_sorting = &_sorting.train;    break;

   204

		case VEH_ROAD:     gv->_sorting = &_sorting.roadveh;  break;

   205

		case VEH_SHIP:     gv->_sorting = &_sorting.ship;     break;

   206

		case VEH_AIRCRAFT: gv->_sorting = &_sorting.aircraft; break;

   207

	}

   208

   209

	gv->sort_list = NULL;

   210

	gv->vehicle_type = (VehicleType)GB(w->window_number, 11, 5);

   211

	gv->l.sort_type = gv->_sorting->criteria;

   212

	gv->l.flags = VL_REBUILD | (gv->_sorting->order ? VL_DESC : VL_NONE);

   213

	gv->l.resort_timer = DAY_TICKS * PERIODIC_RESORT_DAYS;	// Set up resort timer

   214

   215

	gl->sort_list = NULL;

   216

	gl->l.flags = VL_REBUILD | VL_NONE;

   217

	gl->l.resort_timer = DAY_TICKS * PERIODIC_RESORT_DAYS;	// Set up resort timer

   218

   219

	gv->group_sel = ALL_GROUP;

   220

   221

	switch (gv->vehicle_type) {

   222

		case VEH_TRAIN:

   223

			w->widget[GRP_WIDGET_LIST_VEHICLE].tooltips = STR_883D_TRAINS_CLICK_ON_TRAIN_FOR;

   224

			w->widget[GRP_WIDGET_AVAILABLE_VEHICLES].data = STR_AVAILABLE_TRAINS;

   225

   226

			w->widget[GRP_WIDGET_CREATE_GROUP].data = SPR_GROUP_CREATE_TRAIN;

   227

			w->widget[GRP_WIDGET_RENAME_GROUP].data = SPR_GROUP_RENAME_TRAIN;

   228

			w->widget[GRP_WIDGET_DELETE_GROUP].data = SPR_GROUP_DELETE_TRAIN;

   229

			break;

   230

   231

		case VEH_ROAD:

   232

			w->widget[GRP_WIDGET_LIST_VEHICLE].tooltips = STR_901A_ROAD_VEHICLES_CLICK_ON;

   233

			w->widget[GRP_WIDGET_AVAILABLE_VEHICLES].data = STR_AVAILABLE_ROAD_VEHICLES;

   234

   235

			w->widget[GRP_WIDGET_CREATE_GROUP].data = SPR_GROUP_CREATE_ROADVEH;

   236

			w->widget[GRP_WIDGET_RENAME_GROUP].data = SPR_GROUP_RENAME_ROADVEH;

   237

			w->widget[GRP_WIDGET_DELETE_GROUP].data = SPR_GROUP_DELETE_ROADVEH;

   238

			break;

   239

   240

		case VEH_SHIP:

   241

			w->widget[GRP_WIDGET_LIST_VEHICLE].tooltips = STR_9823_SHIPS_CLICK_ON_SHIP_FOR;

   242

			w->widget[GRP_WIDGET_AVAILABLE_VEHICLES].data = STR_AVAILABLE_SHIPS;

   243

   244

			w->widget[GRP_WIDGET_CREATE_GROUP].data = SPR_GROUP_CREATE_SHIP;

   245

			w->widget[GRP_WIDGET_RENAME_GROUP].data = SPR_GROUP_RENAME_SHIP;

   246

			w->widget[GRP_WIDGET_DELETE_GROUP].data = SPR_GROUP_DELETE_SHIP;

   247

			break;

   248

   249

		case VEH_AIRCRAFT:

   250

			w->widget[GRP_WIDGET_LIST_VEHICLE].tooltips = STR_A01F_AIRCRAFT_CLICK_ON_AIRCRAFT;

   251

			w->widget[GRP_WIDGET_AVAILABLE_VEHICLES].data = STR_AVAILABLE_AIRCRAFT;

   252

   253

			w->widget[GRP_WIDGET_CREATE_GROUP].data = SPR_GROUP_CREATE_AIRCRAFT;

   254

			w->widget[GRP_WIDGET_RENAME_GROUP].data = SPR_GROUP_RENAME_AIRCRAFT;

   255

			w->widget[GRP_WIDGET_DELETE_GROUP].data = SPR_GROUP_DELETE_AIRCRAFT;

   256

			break;

   257

   258

		default: NOT_REACHED();

   259

	}

   260

}

   261

   262

/**

   263

 * Update/redraw the group action dropdown

   264

 * @param w   the window the dropdown belongs to

   265

 * @param gid the currently selected group in the window

   266

 */

   267

static void UpdateGroupActionDropdown(Window *w, GroupID gid, bool refresh = true)

   268

{

   269

	if (refresh && !IsWindowWidgetLowered(w, GRP_WIDGET_MANAGE_VEHICLES_DROPDOWN)) return;

   270

   271

	static StringID action_str[] = {

   272

		STR_REPLACE_VEHICLES,

   273

		STR_SEND_FOR_SERVICING,

   274

		STR_SEND_TRAIN_TO_DEPOT,

   275

		STR_NULL,

   276

		STR_NULL,

   277

		INVALID_STRING_ID

   278

	};

   279

   280

	action_str[3] = IsValidGroupID(gid) ? STR_GROUP_ADD_SHARED_VEHICLE : INVALID_STRING_ID;

   281

	action_str[4] = IsValidGroupID(gid) ? STR_GROUP_REMOVE_ALL_VEHICLES : INVALID_STRING_ID;

   282

   283

	ShowDropDownMenu(w, action_str, 0, GRP_WIDGET_MANAGE_VEHICLES_DROPDOWN, 0, 0);

   284

}

   285

   286

/**

   287

 * bitmask for w->window_number

   288

 * 0-7   PlayerID (owner)

   289

 * 11-15 vehicle type

   290

 **/

   291

static void GroupWndProc(Window *w, WindowEvent *e)

   292

{

   293

	const PlayerID owner = (PlayerID)GB(w->window_number, 0, 8);

   294

	const Player *p = GetPlayer(owner);

   295

	groupveh_d *gv = &WP(w, groupveh_d);

   296

	grouplist_d *gl = &WP(w, groupveh_d).gl;

   297

   298

	gv->vehicle_type = (VehicleType)GB(w->window_number, 11, 5);

   299

   300

	switch(e->event) {

   301

		case WE_INVALIDATE_DATA:

   302

			gv->l.flags |= VL_REBUILD;

   303

			gl->l.flags |= VL_REBUILD;

   304

			UpdateGroupActionDropdown(w, gv->group_sel);

   305

			SetWindowDirty(w);

   306

			break;

   307

   308

		case WE_CREATE:

   309

			CreateVehicleGroupWindow(w);

   310

			break;

   311

   312

		case WE_PAINT: {

   313

			int x = 203;

   314

			int y2 = PLY_WND_PRC__OFFSET_TOP_WIDGET;

   315

			int y1 = PLY_WND_PRC__OFFSET_TOP_WIDGET + 2;

   316

			int max;

   317

			int i;

   318

   319

			/* If we select the all vehicles, gv->list will contain all vehicles of the player

   320

			 * else gv->list will contain all vehicles which belong to the selected group */

   321

			BuildVehicleList(gv, owner, gv->group_sel, IsAllGroupID(gv->group_sel) ? VLW_STANDARD : VLW_GROUP_LIST);

   322

			SortVehicleList(gv);

   323

   324

   325

			BuildGroupList(gl, owner, gv->vehicle_type);

   326

			SortGroupList(gl);

   327

   328

			SetVScrollCount(w, gl->l.list_length);

   329

			SetVScroll2Count(w, gv->l.list_length);

   330

   331

			/* Disable all lists management button when the list is empty */

   332

			SetWindowWidgetsDisabledState(w, gv->l.list_length == 0,

   333

					GRP_WIDGET_STOP_ALL,

   334

					GRP_WIDGET_START_ALL,

   335

					GRP_WIDGET_MANAGE_VEHICLES,

   336

					GRP_WIDGET_MANAGE_VEHICLES_DROPDOWN,

   337

					WIDGET_LIST_END);

   338

   339

			/* Disable the group specific function when we select the default group or all vehicles */

   340

			SetWindowWidgetsDisabledState(w, IsDefaultGroupID(gv->group_sel) || IsAllGroupID(gv->group_sel),

   341

					GRP_WIDGET_DELETE_GROUP,

   342

					GRP_WIDGET_RENAME_GROUP,

   343

					GRP_WIDGET_REPLACE_PROTECTION,

   344

					WIDGET_LIST_END);

   345

   346

			/* If selected_group == DEFAULT_GROUP || ALL_GROUP, draw the standard caption

   347

			   We list all vehicles or ungrouped vehicles */

   348

			if (IsDefaultGroupID(gv->group_sel) || IsAllGroupID(gv->group_sel)) {

   349

				SetDParam(0, p->index);

   350

				SetDParam(1, gv->l.list_length);

   351

   352

				switch (gv->vehicle_type) {

   353

					case VEH_TRAIN:

   354

						w->widget[GRP_WIDGET_CAPTION].data = STR_881B_TRAINS;

   355

						w->widget[GRP_WIDGET_REPLACE_PROTECTION].data = SPR_GROUP_REPLACE_OFF_TRAIN;

   356

						break;

   357

					case VEH_ROAD:

   358

						w->widget[GRP_WIDGET_CAPTION].data = STR_9001_ROAD_VEHICLES;

   359

						w->widget[GRP_WIDGET_REPLACE_PROTECTION].data = SPR_GROUP_REPLACE_OFF_ROADVEH;

   360

						break;

   361

					case VEH_SHIP:

   362

						w->widget[GRP_WIDGET_CAPTION].data = STR_9805_SHIPS;

   363

						w->widget[GRP_WIDGET_REPLACE_PROTECTION].data = SPR_GROUP_REPLACE_OFF_SHIP;

   364

						break;

   365

					case VEH_AIRCRAFT:

   366

						w->widget[GRP_WIDGET_CAPTION].data =  STR_A009_AIRCRAFT;

   367

						w->widget[GRP_WIDGET_REPLACE_PROTECTION].data = SPR_GROUP_REPLACE_OFF_AIRCRAFT;

   368

						break;

   369

					default: NOT_REACHED(); break;

   370

				}

   371

			} else {

   372

				const Group *g = GetGroup(gv->group_sel);

   373

   374

				SetDParam(0, g->index);

   375

				SetDParam(1, g->num_vehicle);

   376

   377

				switch (gv->vehicle_type) {

   378

					case VEH_TRAIN:

   379

						w->widget[GRP_WIDGET_CAPTION].data = STR_GROUP_TRAINS_CAPTION;

   380

						w->widget[GRP_WIDGET_REPLACE_PROTECTION].data = (g->replace_protection) ? SPR_GROUP_REPLACE_ON_TRAIN : SPR_GROUP_REPLACE_OFF_TRAIN;

   381

						break;

   382

					case VEH_ROAD:

   383

						w->widget[GRP_WIDGET_CAPTION].data = STR_GROUP_ROADVEH_CAPTION;

   384

						w->widget[GRP_WIDGET_REPLACE_PROTECTION].data = (g->replace_protection) ? SPR_GROUP_REPLACE_ON_ROADVEH : SPR_GROUP_REPLACE_OFF_ROADVEH;

   385

						break;

   386

					case VEH_SHIP:

   387

						w->widget[GRP_WIDGET_CAPTION].data = STR_GROUP_SHIPS_CAPTION;

   388

						w->widget[GRP_WIDGET_REPLACE_PROTECTION].data = (g->replace_protection) ? SPR_GROUP_REPLACE_ON_SHIP : SPR_GROUP_REPLACE_OFF_SHIP;

   389

						break;

   390

					case VEH_AIRCRAFT:

   391

						w->widget[GRP_WIDGET_CAPTION].data = STR_GROUP_AIRCRAFTS_CAPTION;

   392

						w->widget[GRP_WIDGET_REPLACE_PROTECTION].data = (g->replace_protection) ? SPR_GROUP_REPLACE_ON_AIRCRAFT : SPR_GROUP_REPLACE_OFF_AIRCRAFT;

   393

						break;

   394

					default: NOT_REACHED(); break;

   395

				}

   396

			}

   397

   398

   399

			DrawWindowWidgets(w);

   400

   401

			/* Draw Matrix Group

   402

			 * The selected group is drawn in white */

   403

			StringID str_all_veh, str_no_group_veh;

   404

   405

			switch (gv->vehicle_type) {

   406

				case VEH_TRAIN:

   407

					str_all_veh = STR_GROUP_ALL_TRAINS;

   408

					str_no_group_veh = STR_GROUP_DEFAULT_TRAINS;

   409

					break;

   410

				case VEH_ROAD:

   411

					str_all_veh = STR_GROUP_ALL_ROADS;

   412

					str_no_group_veh = STR_GROUP_DEFAULT_ROADS;

   413

					break;

   414

				case VEH_SHIP:

   415

					str_all_veh = STR_GROUP_ALL_SHIPS;

   416

					str_no_group_veh = STR_GROUP_DEFAULT_SHIPS;

   417

					break;

   418

				case VEH_AIRCRAFT:

   419

					str_all_veh = STR_GROUP_ALL_AIRCRAFTS;

   420

					str_no_group_veh = STR_GROUP_DEFAULT_AIRCRAFTS;

   421

					break;

   422

				default: NOT_REACHED(); break;

   423

			}

   424

			DrawString(10, y1, str_all_veh, IsAllGroupID(gv->group_sel) ? 12 : 16);

   425

   426

			y1 += 13;

   427

   428

			DrawString(10, y1, str_no_group_veh, IsDefaultGroupID(gv->group_sel) ? 12 : 16);

   429

   430

			max = min(w->vscroll.pos + w->vscroll.cap, gl->l.list_length);

   431

			for (i = w->vscroll.pos ; i < max ; ++i) {

   432

				const Group *g = gl->sort_list[i];

   433

   434

				assert(g->owner == owner);

   435

   436

				y1 += PLY_WND_PRC__SIZE_OF_ROW_TINY;

   437

   438

				/* draw the selected group in white, else we draw it in black */

   439

				SetDParam(0, g->index);

   440

				DrawString(10, y1, STR_GROUP_NAME, (gv->group_sel == g->index) ? 12 : 16);

   441

   442

				/* draw the number of vehicles of the group */

   443

				SetDParam(0, g->num_vehicle);

   444

				DrawStringRightAligned(187, y1 + 1, STR_GROUP_TINY_NUM, (gv->group_sel == g->index) ? 12 : 16);

   445

			}

   446

   447

			/* Draw Matrix Vehicle according to the vehicle list built before */

   448

			DrawString(285, 15, _vehicle_sort_listing[gv->l.sort_type], 0x10);

   449

			DoDrawString(gv->l.flags & VL_DESC ? DOWNARROW : UPARROW, 269, 15, 0x10);

   450

   451

			max = min(w->vscroll2.pos + w->vscroll2.cap, gv->l.list_length);

   452

			for (i = w->vscroll2.pos ; i < max ; ++i) {

   453

				const Vehicle* v = gv->sort_list[i];

   454

				StringID str;

   455

   456

				assert(v->type == gv->vehicle_type && v->owner == owner);

   457

   458

				DrawVehicleImage(v, x + 19, y2 + 6, w->hscroll.cap, 0, gv->vehicle_sel);

   459

				DrawVehicleProfitButton(v, x, y2 + 13);

   460

   461

				if (IsVehicleInDepot(v)) {

   462

					str = STR_021F;

   463

				} else {

   464

					str = v->age > v->max_age - 366 ? STR_00E3 : STR_00E2;

   465

				}

   466

				SetDParam(0, v->unitnumber);

   467

				DrawString(x, y2 + 2, str, 0);

   468

   469

				if (w->resize.step_height == PLY_WND_PRC__SIZE_OF_ROW_BIG2) DrawSmallOrderList(v, x + 138, y2);

   470

   471

				if (v->profit_this_year < 0) {

   472

					str = v->profit_last_year < 0 ?

   473

							STR_PROFIT_BAD_THIS_YEAR_BAD_LAST_YEAR :

   474

							STR_PROFIT_BAD_THIS_YEAR_GOOD_LAST_YEAR;

   475

				} else {

   476

					str = v->profit_last_year < 0 ?

   477

							STR_PROFIT_GOOD_THIS_YEAR_BAD_LAST_YEAR :

   478

							STR_PROFIT_GOOD_THIS_YEAR_GOOD_LAST_YEAR;

   479

				}

   480

   481

				SetDParam(0, v->profit_this_year);

   482

				SetDParam(1, v->profit_last_year);

   483

				DrawString(x + 19, y2 + w->resize.step_height - 8, str, 0);

   484

   485

				if (IsValidGroupID(v->group_id)) {

   486

					SetDParam(0, v->group_id);

   487

					DrawString(x + 19, y2, STR_GROUP_TINY_NAME, 16);

   488

				}

   489

   490

				y2 += w->resize.step_height;

   491

			}

   492

   493

			break;

   494

		}

   495

   496

		case WE_CLICK:

   497

			switch(e->we.click.widget) {

   498

				case GRP_WIDGET_SORT_BY_ORDER: // Flip sorting method ascending/descending

   499

					gv->l.flags ^= VL_DESC;

   500

					gv->l.flags |= VL_RESORT;

   501

   502

					gv->_sorting->order = !!(gv->l.flags & VL_DESC);

   503

					SetWindowDirty(w);

   504

					break;

   505

   506

				case GRP_WIDGET_SORT_BY_TEXT:

   507

				case GRP_WIDGET_SORT_BY_DROPDOWN: // Select sorting criteria dropdown menu

   508

					ShowDropDownMenu(w, _vehicle_sort_listing, gv->l.sort_type,  GRP_WIDGET_SORT_BY_DROPDOWN, 0, 0);

   509

					return;

   510

   511

				case GRP_WIDGET_ALL_VEHICLES: // All vehicles button

   512

					if (!IsAllGroupID(gv->group_sel)) {

   513

						gv->group_sel = ALL_GROUP;

   514

						gv->l.flags |= VL_REBUILD;

   515

						UpdateGroupActionDropdown(w, gv->group_sel);

   516

						SetWindowDirty(w);

   517

					}

   518

					break;

   519

   520

				case GRP_WIDGET_DEFAULT_VEHICLES: // Ungrouped vehicles button

   521

					if (!IsDefaultGroupID(gv->group_sel)) {

   522