1

/* $Id$ */

     2

     3

/** @file autoreplace_gui.cpp */

     4

     5

#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "debug.h"

     8

#include "gui.h"

     9

#include "command_func.h"

    10

#include "variables.h"

    11

#include "vehicle_gui.h"

    12

#include "newgrf_engine.h"

    13

#include "group.h"

    14

#include "rail.h"

    15

#include "strings_func.h"

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#include "window_func.h"

    17

#include "vehicle_func.h"

    18

#include "autoreplace_func.h"

    19

#include "gfx_func.h"

    20

#include "player_func.h"

    21

#include "widgets/dropdown_func.h"

    22

#include "engine_func.h"

    23

    24

#include "table/sprites.h"

    25

#include "table/strings.h"

    26

    27

struct replaceveh_d {

    28

	byte sel_index[2];

    29

	EngineID sel_engine[2];

    30

	uint16 count[2];

    31

	bool wagon_btnstate; ///< true means engine is selected

    32

	EngineList list[2];

    33

	bool update_left;

    34

	bool update_right;

    35

	bool init_lists;

    36

	GroupID sel_group;

    37

};

    38

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(replaceveh_d));

    39

    40

static RailType _railtype_selected_in_replace_gui;

    41

    42

static bool _rebuild_left_list;

    43

static bool _rebuild_right_list;

    44

    45

static const StringID _rail_types_list[] = {

    46

	STR_RAIL_VEHICLES,

    47

	STR_ELRAIL_VEHICLES,

    48

	STR_MONORAIL_VEHICLES,

    49

	STR_MAGLEV_VEHICLES,

    50

	INVALID_STRING_ID

    51

};

    52

    53

enum ReplaceVehicleWindowWidgets {

    54

	RVW_WIDGET_LEFT_MATRIX = 3,

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	RVW_WIDGET_LEFT_SCROLLBAR,

    56

	RVW_WIDGET_RIGHT_MATRIX,

    57

	RVW_WIDGET_RIGHT_SCROLLBAR,

    58

	RVW_WIDGET_LEFT_DETAILS,

    59

	RVW_WIDGET_RIGHT_DETAILS,

    60

    61

	/* Button row */

    62

	RVW_WIDGET_START_REPLACE,

    63

	RVW_WIDGET_INFO_TAB,

    64

	RVW_WIDGET_STOP_REPLACE,

    65

	RVW_WIDGET_RESIZE,

    66

    67

	/* Train only widgets */

    68

	RVW_WIDGET_TRAIN_ENGINEWAGON_TOGGLE,

    69

	RVW_WIDGET_TRAIN_FLUFF_LEFT,

    70

	RVW_WIDGET_TRAIN_RAILTYPE_DROPDOWN,

    71

	RVW_WIDGET_TRAIN_FLUFF_RIGHT,

    72

	RVW_WIDGET_TRAIN_WAGONREMOVE_TOGGLE,

    73

};

    74

    75

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

    76

{

    77

	const EngineID va = *(const EngineID*)a;

    78

	const EngineID vb = *(const EngineID*)b;

    79

	int r = ListPositionOfEngine(va) - ListPositionOfEngine(vb);

    80

    81

	return r;

    82

}

    83

    84

/* General Vehicle GUI based procedures that are independent of vehicle types */

    85

void InitializeVehiclesGuiList()

    86

{

    87

	_railtype_selected_in_replace_gui = RAILTYPE_RAIL;

    88

}

    89

    90

/** Rebuild the left autoreplace list if an engine is removed or added

    91

 * @param e Engine to check if it is removed or added

    92

 * @param id_g The group the engine belongs to

    93

 *  Note: this function only works if it is called either

    94

 *   - when a new vehicle is build, but before it's counted in num_engines

    95

 *   - when a vehicle is deleted and after it's substracted from num_engines

    96

 *   - when not changing the count (used when changing replace orders)

    97

 */

    98

void InvalidateAutoreplaceWindow(EngineID e, GroupID id_g)

    99

{

   100

	Player *p = GetPlayer(_local_player);

   101

	VehicleType type = GetEngine(e)->type;

   102

	uint num_engines = GetGroupNumEngines(_local_player, id_g, e);

   103

   104

	if (num_engines == 0 || p->num_engines[e] == 0) {

   105

		/* We don't have any of this engine type.

   106

		 * Either we just sold the last one, we build a new one or we stopped replacing it.

   107

		 * In all cases, we need to update the left list */

   108

		_rebuild_left_list = true;

   109

	} else {

   110

		_rebuild_left_list = false;

   111

	}

   112

	_rebuild_right_list = false;

   113

	InvalidateWindowData(WC_REPLACE_VEHICLE, type);

   114

}

   115

   116

/** When an engine is made buildable or is removed from being buildable, add/remove it from the build/autoreplace lists

   117

 * @param type The type of engine

   118

 */

   119

void AddRemoveEngineFromAutoreplaceAndBuildWindows(VehicleType type)

   120

{

   121

	_rebuild_left_list = false; // left list is only for the vehicles the player owns and is not related to being buildable

   122

	_rebuild_right_list = true;

   123

	InvalidateWindowData(WC_REPLACE_VEHICLE, type); // Update the autoreplace window

   124

	InvalidateWindowClassesData(WC_BUILD_VEHICLE); // The build windows needs updating as well

   125

}

   126

   127

/** Get the default cargo type for an engine

   128

 * @param engine the EngineID to get the cargo for

   129

 * @return the cargo type carried by the engine (CT_INVALID if engine got no cargo capacity)

   130

 */

   131

static CargoID EngineCargo(EngineID engine)

   132

{

   133

	if (engine == INVALID_ENGINE) return CT_INVALID; // surely INVALID_ENGINE can't carry anything but CT_INVALID

   134

   135

	switch (GetEngine(engine)->type) {

   136

		default: NOT_REACHED();

   137

		case VEH_TRAIN:

   138

			if (RailVehInfo(engine)->capacity == 0) return CT_INVALID; // no capacity -> can't carry cargo

   139

			return RailVehInfo(engine)->cargo_type;

   140

		case VEH_ROAD:       return RoadVehInfo(engine)->cargo_type;

   141

		case VEH_SHIP:       return ShipVehInfo(engine)->cargo_type;

   142

		case VEH_AIRCRAFT:   return CT_PASSENGERS; // all planes are build with passengers by default

   143

	}

   144

}

   145

   146

/** Figure out if an engine should be added to a list

   147

 * @param e The EngineID

   148

 * @param draw_left If true, then the left list is drawn (the engines specific to the railtype you selected)

   149

 * @param show_engines if truem then locomotives are drawn, else wagons (never both)

   150

 * @return true if the engine should be in the list (based on this check)

   151

 */

   152

static bool GenerateReplaceRailList(EngineID e, bool draw_left, bool show_engines)

   153

{

   154

	const RailVehicleInfo *rvi = RailVehInfo(e);

   155

   156

	/* Ensure that the wagon/engine selection fits the engine. */

   157

	if ((rvi->railveh_type == RAILVEH_WAGON) == show_engines) return false;

   158

   159

	if (draw_left && show_engines) {

   160

		/* Ensure that the railtype is specific to the selected one */

   161

		if (rvi->railtype != _railtype_selected_in_replace_gui) return false;

   162

	} else {

   163

		/* Ensure that it's a compatible railtype to the selected one (like electric <-> diesel)

   164

		 * The vehicle do not have to have power on the railtype in question, only able to drive (pulled if needed) */

   165

		if (!IsCompatibleRail(rvi->railtype, _railtype_selected_in_replace_gui)) return false;

   166

	}

   167

	return true;

   168

}

   169

   170

/** Figure out if two engines got at least one type of cargo in common (refitting if needed)

   171

 * @param engine_a one of the EngineIDs

   172

 * @param engine_b the other EngineID

   173

 * @return true if they can both carry the same type of cargo (or at least one of them got no capacity at all)

   174

 */

   175

static bool EnginesGotCargoInCommon(EngineID engine_a, EngineID engine_b)

   176

{

   177

	CargoID a = EngineCargo(engine_a);

   178

	CargoID b = EngineCargo(engine_b);

   179

   180

	 /* we should always be able to refit to/from locomotives without capacity

   181

	  * Because of that, CT_INVALID shoudl always return true */

   182

	if (a == CT_INVALID || b == CT_INVALID || a == b) return true; // they carry no ro the same type by default

   183

	if (EngInfo(engine_a)->refit_mask & EngInfo(engine_b)->refit_mask) return true; // both can refit to the same

   184

	if (CanRefitTo(engine_a, b) || CanRefitTo(engine_b, a)) return true; // one can refit to what the other one carries

   185

	return false;

   186

}

   187

   188

/** Generate a list

   189

 * @param w Window, that contains the list

   190

 * @param draw_left true if generating the left list, otherwise false

   191

 */

   192

static void GenerateReplaceVehList(Window *w, bool draw_left)

   193

{

   194

	EngineID selected_engine = INVALID_ENGINE;

   195

	VehicleType type = (VehicleType)w->window_number;

   196

	byte i = draw_left ? 0 : 1;

   197

   198

	EngineList *list = &WP(w, replaceveh_d).list[i];

   199

	EngList_RemoveAll(list);

   200

   204

   205

		if (draw_left) {

   206

			const GroupID selected_group = WP(w, replaceveh_d).sel_group;

   208

   209

			/* Skip drawing the engines we don't have any of and haven't set for replacement */

   211

		} else {

   212

			/* This is for engines we can replace to and they should depend on what we selected to replace from */

   215

   216

			/* Road vehicles can't be replaced by trams and vice-versa */

   219

		}

   220

   223

	}

   224

	WP(w, replaceveh_d).sel_engine[i] = selected_engine; // update which engine we selected (the same or none, if it's not in the list anymore)

   225

	if (type == VEH_TRAIN) EngList_Sort(list, &TrainEngineNumberSorter);

   226

}

   227

   228

/** Generate the lists

   229

 * @param w Window containing the lists

   230

 */

   231

static void GenerateLists(Window *w)

   232

{

   233

	EngineID e = WP(w, replaceveh_d).sel_engine[0];

   234

   235

	if (WP(w, replaceveh_d).update_left == true) {

   236

		/* We need to rebuild the left list */

   237

		GenerateReplaceVehList(w, true);

   238

		SetVScrollCount(w, EngList_Count(&WP(w, replaceveh_d).list[0]));

   239

		if (WP(w, replaceveh_d).init_lists && WP(w, replaceveh_d).sel_engine[0] == INVALID_ENGINE && EngList_Count(&WP(w, replaceveh_d).list[0]) != 0) {

   240

			WP(w, replaceveh_d).sel_engine[0] = WP(w, replaceveh_d).list[0][0];

   241

		}

   242

	}

   243

   244

	if (WP(w, replaceveh_d).update_right || e != WP(w, replaceveh_d).sel_engine[0]) {

   245

		/* Either we got a request to rebuild the right list or the left list selected a different engine */

   246

		if (WP(w, replaceveh_d).sel_engine[0] == INVALID_ENGINE) {

   247

			/* Always empty the right list when nothing is selected in the left list */

   248

			EngList_RemoveAll(&WP(w, replaceveh_d).list[1]);

   249

			WP(w, replaceveh_d).sel_engine[1] = INVALID_ENGINE;

   250

		} else {

   251

			GenerateReplaceVehList(w, false);

   252

			SetVScroll2Count(w, EngList_Count(&WP(w, replaceveh_d).list[1]));

   253

			if (WP(w, replaceveh_d).init_lists && WP(w, replaceveh_d).sel_engine[1] == INVALID_ENGINE && EngList_Count(&WP(w, replaceveh_d).list[1]) != 0) {

   254

				WP(w, replaceveh_d).sel_engine[1] = WP(w, replaceveh_d).list[1][0];

   255

			}

   256

		}

   257

	}

   258

	/* Reset the flags about needed updates */

   259

	WP(w, replaceveh_d).update_left  = false;

   260

	WP(w, replaceveh_d).update_right = false;

   261

	WP(w, replaceveh_d).init_lists   = false;

   262

}

   263

   264

   265

void DrawEngineList(VehicleType type, int x, int y, const EngineList eng_list, uint16 min, uint16 max, EngineID selected_id, int count_location, GroupID selected_group);

   266

   267

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

   268

{

   269

	/* Strings for the pulldown menu */

   270

	static const StringID _vehicle_type_names[] = {

   271

		STR_019F_TRAIN,

   272

		STR_019C_ROAD_VEHICLE,

   273

		STR_019E_SHIP,

   274

		STR_019D_AIRCRAFT

   275

	};

   276

   277

	switch (e->event) {

   278

		case WE_CREATE:

   279

			WP(w, replaceveh_d).wagon_btnstate = true; // start with locomotives (all other vehicles will not read this bool)

   280

			EngList_Create(&WP(w, replaceveh_d).list[0]);

   281

			EngList_Create(&WP(w, replaceveh_d).list[1]);

   282

			WP(w, replaceveh_d).update_left   = true;

   283

			WP(w, replaceveh_d).update_right  = true;

   284

			WP(w, replaceveh_d).init_lists    = true;

   285

			WP(w, replaceveh_d).sel_engine[0] = INVALID_ENGINE;

   286

			WP(w, replaceveh_d).sel_engine[1] = INVALID_ENGINE;

   287

			break;

   288

   289

		case WE_PAINT: {

   290

			if (WP(w, replaceveh_d).update_left || WP(w, replaceveh_d).update_right) GenerateLists(w);

   291

   292

			Player *p = GetPlayer(_local_player);

   293

			EngineID selected_id[2];

   294

			const GroupID selected_group = WP(w, replaceveh_d).sel_group;

   295

   296

			selected_id[0] = WP(w, replaceveh_d).sel_engine[0];

   297

			selected_id[1] = WP(w, replaceveh_d).sel_engine[1];

   298

   299

			/* Disable the "Start Replacing" button if:

   300

			 *    Either list is empty

   301

			 * or The selected replacement engine has a replacement (to prevent loops)

   302

			 * or The right list (new replacement) has the existing replacement vehicle selected */

   303

			w->SetWidgetDisabledState(RVW_WIDGET_START_REPLACE,

   304

										 selected_id[0] == INVALID_ENGINE ||

   305

										 selected_id[1] == INVALID_ENGINE ||

   306

										 EngineReplacementForPlayer(p, selected_id[1], selected_group) != INVALID_ENGINE ||

   307

										 EngineReplacementForPlayer(p, selected_id[0], selected_group) == selected_id[1]);

   308

   309

			/* Disable the "Stop Replacing" button if:

   310

			 *   The left list (existing vehicle) is empty

   311

			 *   or The selected vehicle has no replacement set up */

   312

			w->SetWidgetDisabledState(RVW_WIDGET_STOP_REPLACE,

   313

										 selected_id[0] == INVALID_ENGINE ||

   314

										 !EngineHasReplacementForPlayer(p, selected_id[0], selected_group));

   315

   316

			/* now the actual drawing of the window itself takes place */

   317

			SetDParam(0, _vehicle_type_names[w->window_number]);

   318

   319

			if (w->window_number == VEH_TRAIN) {

   320

				/* set on/off for renew_keep_length */

   321

				SetDParam(1, p->renew_keep_length ? STR_CONFIG_PATCHES_ON : STR_CONFIG_PATCHES_OFF);

   322

   323

				/* set wagon/engine button */

   324

				SetDParam(2, WP(w, replaceveh_d).wagon_btnstate ? STR_ENGINES : STR_WAGONS);

   325

   326

				/* sets the colour of that art thing */

   327

				w->widget[RVW_WIDGET_TRAIN_FLUFF_LEFT].color  = _player_colors[_local_player];

   328

				w->widget[RVW_WIDGET_TRAIN_FLUFF_RIGHT].color = _player_colors[_local_player];

   329

			}

   330

   331

			if (w->window_number == VEH_TRAIN) {

   332

				/* Show the selected railtype in the pulldown menu */

   333

				RailType railtype = _railtype_selected_in_replace_gui;

   334

				w->widget[RVW_WIDGET_TRAIN_RAILTYPE_DROPDOWN].data = _rail_types_list[railtype];

   335

			}

   336

   337

			DrawWindowWidgets(w);

   338

   339

			/* sets up the string for the vehicle that is being replaced to */

   340

			if (selected_id[0] != INVALID_ENGINE) {

   341

				if (!EngineHasReplacementForPlayer(p, selected_id[0], selected_group)) {

   342

					SetDParam(0, STR_NOT_REPLACING);

   343

				} else {

   344

					SetDParam(0, STR_ENGINE_NAME);

   345

					SetDParam(1, EngineReplacementForPlayer(p, selected_id[0], selected_group));

   346

				}

   347

			} else {

   348

				SetDParam(0, STR_NOT_REPLACING_VEHICLE_SELECTED);

   349

			}

   350

   351

			DrawString(145, w->widget[RVW_WIDGET_INFO_TAB].top + 1, STR_02BD, TC_BLACK);

   352

   353

			/* Draw the lists */

   354

			for(byte i = 0; i < 2; i++) {

   355

				uint widget     = (i == 0) ? RVW_WIDGET_LEFT_MATRIX : RVW_WIDGET_RIGHT_MATRIX;

   356

				EngineList list = WP(w, replaceveh_d).list[i]; // which list to draw

   357

				EngineID start  = i == 0 ? w->vscroll.pos : w->vscroll2.pos; // what is the offset for the start (scrolling)

   358

				EngineID end    = min((i == 0 ? w->vscroll.cap : w->vscroll2.cap) + start, EngList_Count(&list));

   359

   360

				/* Do the actual drawing */

   361

				DrawEngineList((VehicleType)w->window_number, w->widget[widget].left + 2, w->widget[widget].top + 1, list, start, end, WP(w, replaceveh_d).sel_engine[i], i == 0 ? w->widget[RVW_WIDGET_LEFT_MATRIX].right - 2 : 0, selected_group);

   362

   363

				/* Also draw the details if an engine is selected */

   364

				if (WP(w, replaceveh_d).sel_engine[i] != INVALID_ENGINE) {

   365

					const Widget *wi = &w->widget[i == 0 ? RVW_WIDGET_LEFT_DETAILS : RVW_WIDGET_RIGHT_DETAILS];

   366

					int text_end = DrawVehiclePurchaseInfo(wi->left + 2, wi->top + 1, wi->right - wi->left - 2, WP(w, replaceveh_d).sel_engine[i]);

   367

   368

					if (text_end > wi->bottom) {

   369

						SetWindowDirty(w);

   370

						ResizeWindowForWidget(w, i == 0 ? RVW_WIDGET_LEFT_DETAILS : RVW_WIDGET_RIGHT_DETAILS, 0, text_end - wi->bottom);

   371

						SetWindowDirty(w);

   372

					}

   373

				}

   374

			}

   375

   376

		} break;   // end of paint

   377

   378

		case WE_CLICK: {

   379

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

   380

				case RVW_WIDGET_TRAIN_ENGINEWAGON_TOGGLE:

   381

					WP(w, replaceveh_d).wagon_btnstate = !(WP(w, replaceveh_d).wagon_btnstate);

   382

					WP(w, replaceveh_d).update_left = true;

   383

					WP(w, replaceveh_d).init_lists  = true;

   384

					SetWindowDirty(w);

   385

					break;

   386

   387

				case RVW_WIDGET_TRAIN_RAILTYPE_DROPDOWN: /* Railtype selection dropdown menu */

   388

					ShowDropDownMenu(w, _rail_types_list, _railtype_selected_in_replace_gui, RVW_WIDGET_TRAIN_RAILTYPE_DROPDOWN, 0, ~GetPlayer(_local_player)->avail_railtypes);

   389

					break;

   390

   391

				case RVW_WIDGET_TRAIN_WAGONREMOVE_TOGGLE: /* toggle renew_keep_length */

   392

					DoCommandP(0, 5, GetPlayer(_local_player)->renew_keep_length ? 0 : 1, NULL, CMD_SET_AUTOREPLACE);

   393

					break;

   394

   395

				case RVW_WIDGET_START_REPLACE: { /* Start replacing */

   396

					EngineID veh_from = WP(w, replaceveh_d).sel_engine[0];

   397

					EngineID veh_to = WP(w, replaceveh_d).sel_engine[1];

   398

					DoCommandP(0, 3 + (WP(w, replaceveh_d).sel_group << 16) , veh_from + (veh_to << 16), NULL, CMD_SET_AUTOREPLACE);

   399

				} break;

   400

   401

				case RVW_WIDGET_STOP_REPLACE: { /* Stop replacing */

   402

					EngineID veh_from = WP(w, replaceveh_d).sel_engine[0];

   403

					DoCommandP(0, 3 + (WP(w, replaceveh_d).sel_group << 16), veh_from + (INVALID_ENGINE << 16), NULL, CMD_SET_AUTOREPLACE);

   404

				} break;

   405

   406

				case RVW_WIDGET_LEFT_MATRIX:

   407

				case RVW_WIDGET_RIGHT_MATRIX: {

   408

					uint i = (e->we.click.pt.y - 14) / w->resize.step_height;

   409

					uint16 click_scroll_pos = e->we.click.widget == RVW_WIDGET_LEFT_MATRIX ? w->vscroll.pos : w->vscroll2.pos;

   410

					uint16 click_scroll_cap = e->we.click.widget == RVW_WIDGET_LEFT_MATRIX ? w->vscroll.cap : w->vscroll2.cap;

   411

					byte click_side         = e->we.click.widget == RVW_WIDGET_LEFT_MATRIX ? 0 : 1;

   412

					uint16 engine_count     = EngList_Count(&WP(w, replaceveh_d).list[click_side]);

   413

   414

					if (i < click_scroll_cap) {

   415

						i += click_scroll_pos;

   416

						EngineID e = engine_count > i ? WP(w, replaceveh_d).list[click_side][i] : INVALID_ENGINE;

   417

						if (e == WP(w, replaceveh_d).sel_engine[click_side]) break; // we clicked the one we already selected

   418

						WP(w, replaceveh_d).sel_engine[click_side] = e;

   419

						if (click_side == 0) {

   420

							WP(w, replaceveh_d).update_right = true;

   421

							WP(w, replaceveh_d).init_lists   = true;

   422

						}

   423

						SetWindowDirty(w);

   424

						}

   425

					break;

   426

					}

   427

			}

   428

			break;

   429

		}

   430

   431

		case WE_DROPDOWN_SELECT: { /* we have selected a dropdown item in the list */

   432

			RailType temp = (RailType)e->we.dropdown.index;

   433

			if (temp == _railtype_selected_in_replace_gui) break; // we didn't select a new one. No need to change anything

   434

			_railtype_selected_in_replace_gui = temp;

   435

			/* Reset scrollbar positions */

   436

			w->vscroll.pos  = 0;

   437

			w->vscroll2.pos = 0;

   438

			/* Rebuild the lists */

   439

			WP(w, replaceveh_d).update_left  = true;

   440

			WP(w, replaceveh_d).update_right = true;

   441

			WP(w, replaceveh_d).init_lists   = true;

   442

			SetWindowDirty(w);

   443

		} break;

   444

   445

		case WE_RESIZE:

   446

		{

   447

			w->vscroll.cap  += e->we.sizing.diff.y / (int)w->resize.step_height;

   448

			w->vscroll2.cap += e->we.sizing.diff.y / (int)w->resize.step_height;

   449

   450

			Widget *widget = w->widget;

   451

   452

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

   453

   454

			if (e->we.sizing.diff.x != 0) {

   455

				/* We changed the width of the window so we have to resize the lists.

   456

				 * Because ResizeButtons() makes each widget the same size it can't be used on the lists

   457

				 * because then the lists would have the same size as the scrollbars.

   458

				 * Instead we use it on the detail panels.

   459

				 * Afterwards we use the new location of the detail panels (the middle of the window)

   460

				 * to place the lists.

   461

				 * This way the lists will have equal size while keeping the width of the scrollbars unchanged. */

   462

				ResizeButtons(w, RVW_WIDGET_LEFT_DETAILS, RVW_WIDGET_RIGHT_DETAILS);

   463

				widget[RVW_WIDGET_RIGHT_MATRIX].left    = widget[RVW_WIDGET_RIGHT_DETAILS].left;

   464

				widget[RVW_WIDGET_LEFT_SCROLLBAR].right = widget[RVW_WIDGET_LEFT_DETAILS].right;

   465

				widget[RVW_WIDGET_LEFT_SCROLLBAR].left  = widget[RVW_WIDGET_LEFT_SCROLLBAR].right - 11;

   466

				widget[RVW_WIDGET_LEFT_MATRIX].right    = widget[RVW_WIDGET_LEFT_SCROLLBAR].left - 1;

   467

			}

   468

		} break;

   469

   470

		case WE_INVALIDATE_DATA:

   471

			if (_rebuild_left_list) WP(w, replaceveh_d).update_left = true;

   472

			if (_rebuild_right_list) WP(w, replaceveh_d).update_right = true;

   473

			SetWindowDirty(w);

   474

			break;

   475

   476

		case WE_DESTROY:

   477

			EngList_RemoveAll(&WP(w, replaceveh_d).list[0]);

   478

			EngList_RemoveAll(&WP(w, replaceveh_d).list[1]);

   479

		break;

   480

	}

   481

}

   482

   483

static const Widget _replace_vehicle_widgets[] = {

   484

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

   485

{    WWT_CAPTION,  RESIZE_RIGHT,    14,    11,   443,     0,    13, STR_REPLACE_VEHICLES_WHITE,      STR_018C_WINDOW_TITLE_DRAG_THIS},

   486

{  WWT_STICKYBOX,     RESIZE_LR,    14,   444,   455,     0,    13, STR_NULL,                        STR_STICKY_BUTTON},