1

/* $Id$ */

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     3

/** @file autoreplace_gui.cpp */

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     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"

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#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,

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	STR_MONORAIL_VEHICLES,

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	STR_MAGLEV_VEHICLES,

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	INVALID_STRING_ID

    51

};

    52

    53

enum ReplaceVehicleWindowWidgets {

    54

	RVW_WIDGET_LEFT_DETAILS = 3,

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	RVW_WIDGET_START_REPLACE,

    56

	RVW_WIDGET_INFO_TAB,

    57

	RVW_WIDGET_STOP_REPLACE,

    58

	RVW_WIDGET_LEFT_MATRIX,

    59

	RVW_WIDGET_LEFT_SCROLLBAR,

    60

	RVW_WIDGET_RIGHT_MATRIX,

    61

	RVW_WIDGET_RIGHT_SCROLLBAR,

    62

	RVW_WIDGET_RIGHT_DETAILS,

    63

    64

	RVW_WIDGET_TRAIN_ENGINEWAGON_TOGGLE,

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	RVW_WIDGET_TRAIN_FLUFF_LEFT,

    66

	RVW_WIDGET_TRAIN_RAILTYPE_DROPDOWN,

    67

	RVW_WIDGET_TRAIN_FLUFF_RIGHT,

    68

	RVW_WIDGET_TRAIN_WAGONREMOVE_TOGGLE,

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};

    70

    71

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

    72

{

    73

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

    74

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

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

    76

    77

	return r;

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}

    79

    80

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

    81

void InitializeVehiclesGuiList()

    82

{

    83

	_railtype_selected_in_replace_gui = RAILTYPE_RAIL;

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}

    85

    86

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

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

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 * @param id_g The group the engine belongs to

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

    90

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

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

    92

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

    93

 */

    94

void InvalidateAutoreplaceWindow(EngineID e, GroupID id_g)

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{

    96

	Player *p = GetPlayer(_local_player);

    97

	VehicleType type = GetEngine(e)->type;

    98

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

    99

   100

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

   101

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

   102

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

   103

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

   104

		_rebuild_left_list = true;

   105

	} else {

   106

		_rebuild_left_list = false;

   107

	}

   108

	_rebuild_right_list = false;

   109

	InvalidateWindowData(WC_REPLACE_VEHICLE, type);

   110

}

   111

   112

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

   113

 * @param type The type of engine

   114

 */

   115

void AddRemoveEngineFromAutoreplaceAndBuildWindows(VehicleType type)

   116

{

   117

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

   118

	_rebuild_right_list = true;

   119

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

   120

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

   121

}

   122

   123

/** Get the default cargo type for an engine

   124

 * @param engine the EngineID to get the cargo for

   125

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

   126

 */

   127

static CargoID EngineCargo(EngineID engine)

   128

{

   129

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

   130

   131

	switch (GetEngine(engine)->type) {

   132

		default: NOT_REACHED();

   133

		case VEH_TRAIN:

   134

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

   135

			return RailVehInfo(engine)->cargo_type;

   136

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

   137

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

   138

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

   139

	}

   140

}

   141

   142

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

   143

 * @param e The EngineID

   144

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

   145

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

   146

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

   147

 */

   148

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

   149

{

   150

	const RailVehicleInfo *rvi = RailVehInfo(e);

   151

   152

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

   153

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

   154

   155

	if (draw_left && show_engines) {

   156

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

   157

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

   158

	} else {

   159

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

   160

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

   161

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

   162

	}

   163

	return true;

   164

}

   165

   166

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

   167

 * @param engine_a one of the EngineIDs

   168

 * @param engine_b the other EngineID

   169

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

   170

 */

   171

static bool EnginesGotCargoInCommon(EngineID engine_a, EngineID engine_b)

   172

{

   173

	CargoID a = EngineCargo(engine_a);

   174

	CargoID b = EngineCargo(engine_b);

   175

   176

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

   177

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

   178

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

   179

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

   180

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

   181

	return false;

   182

}

   183

   184

/** Generate a list

   185

 * @param w Window, that contains the list

   186

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

   187

 */

   188

static void GenerateReplaceVehList(Window *w, bool draw_left)

   189

{

   190

	EngineID e;

   191

	EngineID selected_engine = INVALID_ENGINE;

   192

	VehicleType type = (VehicleType)w->window_number;

   193

	byte i = draw_left ? 0 : 1;

   194

   195

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

   196

	EngList_RemoveAll(list);

   197

   198

	FOR_ALL_ENGINEIDS_OF_TYPE(e, type) {

   199

		if (type == VEH_TRAIN && !GenerateReplaceRailList(e, draw_left, WP(w, replaceveh_d).wagon_btnstate)) continue; // special rules for trains

   200

   201

		if (draw_left) {

   202

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

   203

			const uint num_engines = GetGroupNumEngines(_local_player, selected_group, e);

   204

   205

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

   206

			if (num_engines == 0 && EngineReplacementForPlayer(GetPlayer(_local_player), e, selected_group) == INVALID_ENGINE) continue;

   207

		} else {

   208

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

   209

			if (!IsEngineBuildable(e, type, _local_player)) continue; // we need to be able to build the engine

   210

			if (!EnginesGotCargoInCommon(e, WP(w, replaceveh_d).sel_engine[0])) continue; // the engines needs to be able to carry the same cargo

   211

   212

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

   213

			if (type == VEH_ROAD && HasBit(EngInfo(WP(w, replaceveh_d).sel_engine[0])->misc_flags, EF_ROAD_TRAM) != HasBit(EngInfo(e)->misc_flags, EF_ROAD_TRAM)) continue;

   214

			if (e == WP(w, replaceveh_d).sel_engine[0]) continue; // we can't replace an engine into itself (that would be autorenew)

   215

		}

   216

   217

		EngList_Add(list, e);

   218

		if (e == WP(w, replaceveh_d).sel_engine[i]) selected_engine = e; // The selected engine is still in the list

   219

	}

   220

	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)

   221

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

   222

}

   223

   224

/** Generate the lists

   225

 * @param w Window containing the lists

   226

 */

   227

static void GenerateLists(Window *w)

   228

{

   229

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

   230

   231

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

   232

		/* We need to rebuild the left list */

   233

		GenerateReplaceVehList(w, true);

   234

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

   235

		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) {

   236

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

   237

		}

   238

	}

   239

   240

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

   241

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

   242

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

   243

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

   244

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

   245

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

   246

		} else {

   247

			GenerateReplaceVehList(w, false);

   248

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

   249

			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) {

   250

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

   251

			}

   252

		}

   253

	}

   254

	/* Reset the flags about needed updates */

   255

	WP(w, replaceveh_d).update_left  = false;

   256

	WP(w, replaceveh_d).update_right = false;

   257

	WP(w, replaceveh_d).init_lists   = false;

   258

}

   259

   260

   261

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

   262

   263

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

   264

{

   265

	/* Strings for the pulldown menu */

   266

	static const StringID _vehicle_type_names[] = {

   267

		STR_019F_TRAIN,

   268

		STR_019C_ROAD_VEHICLE,

   269

		STR_019E_SHIP,

   270

		STR_019D_AIRCRAFT

   271

	};

   272

   273

	switch (e->event) {

   274

		case WE_CREATE:

   275

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

   276

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

   277

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

   278

			WP(w, replaceveh_d).update_left   = true;

   279

			WP(w, replaceveh_d).update_right  = true;

   280

			WP(w, replaceveh_d).init_lists    = true;

   281

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

   282

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

   283

			break;

   284

   285

		case WE_PAINT: {

   286

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

   287

   288

			Player *p = GetPlayer(_local_player);

   289

			EngineID selected_id[2];

   290

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

   291

   292

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

   293

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

   294

   295

			/* Disable the "Start Replacing" button if:

   296

			 *    Either list is empty

   297

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

   298

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

   299

			w->SetWidgetDisabledState(RVW_WIDGET_START_REPLACE,

   300

										 selected_id[0] == INVALID_ENGINE ||

   301

										 selected_id[1] == INVALID_ENGINE ||

   302

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

   303

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

   304

   305

			/* Disable the "Stop Replacing" button if:

   306

			 *   The left list (existing vehicle) is empty

   307

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

   308

			w->SetWidgetDisabledState(RVW_WIDGET_STOP_REPLACE,

   309

										 selected_id[0] == INVALID_ENGINE ||

   310

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

   311

   312

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

   313

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

   314

   315

			if (w->window_number == VEH_TRAIN) {

   316

				/* set on/off for renew_keep_length */

   317

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

   318

   319

				/* set wagon/engine button */

   320

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

   321

   322

				/* sets the colour of that art thing */

   323

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

   324

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

   325

			}

   326

   327

			if (w->window_number == VEH_TRAIN) {

   328

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

   329

				RailType railtype = _railtype_selected_in_replace_gui;

   330

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

   331

			}

   332

   333

			DrawWindowWidgets(w);

   334

   335

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

   336

			if (selected_id[0] != INVALID_ENGINE) {

   337

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

   338

					SetDParam(0, STR_NOT_REPLACING);

   339

				} else {

   340

					SetDParam(0, STR_ENGINE_NAME);

   341

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

   342

				}

   343

			} else {

   344

				SetDParam(0, STR_NOT_REPLACING_VEHICLE_SELECTED);

   345

			}

   346

   347

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

   348

   349

			/* Draw the lists */

   350

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

   351

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

   352

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

   353

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

   354

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

   355

   356

				/* Do the actual drawing */

   357

				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, selected_group);

   358

   359

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

   360

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

   361

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

   362

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

   363

   364

					if (text_end > wi->bottom) {

   365

						SetWindowDirty(w);

   366

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

   367

						SetWindowDirty(w);

   368

					}

   369

				}

   370

			}

   371

   372

		} break;   // end of paint

   373

   374

		case WE_CLICK: {

   375

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

   376

				case RVW_WIDGET_TRAIN_ENGINEWAGON_TOGGLE:

   377

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

   378

					WP(w, replaceveh_d).update_left = true;

   379

					WP(w, replaceveh_d).init_lists  = true;

   380

					SetWindowDirty(w);

   381

					break;

   382

   383

				case RVW_WIDGET_TRAIN_RAILTYPE_DROPDOWN: /* Railtype selection dropdown menu */

   384

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

   385

					break;

   386

   387

				case RVW_WIDGET_TRAIN_WAGONREMOVE_TOGGLE: /* toggle renew_keep_length */

   388

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

   389

					break;

   390

   391

				case RVW_WIDGET_START_REPLACE: { /* Start replacing */

   392

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

   393

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

   394

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

   395

				} break;

   396

   397

				case RVW_WIDGET_STOP_REPLACE: { /* Stop replacing */

   398

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

   399

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

   400

				} break;

   401

   402

				case RVW_WIDGET_LEFT_MATRIX:

   403

				case RVW_WIDGET_RIGHT_MATRIX: {

   404

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

   405

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

   406

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

   407

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

   408

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

   409

   410

					if (i < click_scroll_cap) {

   411

						i += click_scroll_pos;

   412

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

   413

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

   414

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

   415

						if (click_side == 0) {

   416

							WP(w, replaceveh_d).update_right = true;

   417

							WP(w, replaceveh_d).init_lists   = true;

   418

						}

   419

						SetWindowDirty(w);

   420

						}

   421

					break;

   422

					}

   423

			}

   424

			break;

   425

		}

   426

   427

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

   428

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

   429

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

   430

			_railtype_selected_in_replace_gui = temp;

   431

			/* Reset scrollbar positions */

   432

			w->vscroll.pos  = 0;

   433

			w->vscroll2.pos = 0;

   434

			/* Rebuild the lists */

   435

			WP(w, replaceveh_d).update_left  = true;

   436

			WP(w, replaceveh_d).update_right = true;

   437

			WP(w, replaceveh_d).init_lists   = true;

   438

			SetWindowDirty(w);

   439

		} break;

   440

   441

		case WE_RESIZE:

   442

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

   443

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

   444

   445

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

   446

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

   447

			break;

   448

   449

		case WE_INVALIDATE_DATA:

   450

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

   451

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

   452

			SetWindowDirty(w);

   453

			break;

   454

   455

		case WE_DESTROY:

   456

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

   457

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

   458

		break;

   459

	}

   460

}

   461

   462

static const Widget _replace_rail_vehicle_widgets[] = {

   463

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

   464

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

   465

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

   466

{      WWT_PANEL,     RESIZE_TB,    14,     0,   227,   126,   227, 0x0,            STR_NULL},

   467

{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,   138,   240,   251, STR_REPLACE_VEHICLES_START, STR_REPLACE_HELP_START_BUTTON},

   468

{      WWT_PANEL,     RESIZE_TB,    14,   139,   316,   228,   239, 0x0,            STR_REPLACE_HELP_REPLACE_INFO_TAB},

   469

{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,   306,   443,   240,   251, STR_REPLACE_VEHICLES_STOP,  STR_REPLACE_HELP_STOP_BUTTON},

   470

{     WWT_MATRIX, RESIZE_BOTTOM,    14,     0,   215,    14,   125, 0x801,          STR_REPLACE_HELP_LEFT_ARRAY},

   471

{  WWT_SCROLLBAR, RESIZE_BOTTOM,    14,   216,   227,    14,   125, STR_NULL,       STR_0190_SCROLL_BAR_SCROLLS_LIST},

   472

{     WWT_MATRIX, RESIZE_BOTTOM,    14,   228,   443,    14,   125, 0x801,          STR_REPLACE_HELP_RIGHT_ARRAY},

   473

{ WWT_SCROLL2BAR, RESIZE_BOTTOM,    14,   444,   455,    14,   125, STR_NULL,       STR_0190_SCROLL_BAR_SCROLLS_LIST},

   474

{      WWT_PANEL,     RESIZE_TB,    14,   228,   455,   126,   227, 0x0,            STR_NULL},

   475

// train specific stuff

   476

{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,   138,   228,   239, STR_REPLACE_ENGINE_WAGON_SELECT,       STR_REPLACE_ENGINE_WAGON_SELECT_HELP},  // widget 12

   477

{      WWT_PANEL,     RESIZE_TB,    14,   139,   153,   240,   251, 0x0,            STR_NULL},

   478

{   WWT_DROPDOWN,     RESIZE_TB,    14,   154,   289,   240,   251, 0x0,            STR_REPLACE_HELP_RAILTYPE},

   479

{      WWT_PANEL,     RESIZE_TB,    14,   290,   305,   240,   251, 0x0,            STR_NULL},

   480

{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,   317,   455,   228,   239, STR_REPLACE_REMOVE_WAGON,       STR_REPLACE_REMOVE_WAGON_HELP},

   481

// end of train specific stuff

   482

{  WWT_RESIZEBOX,     RESIZE_TB,    14,   444,   455,   240,   251, STR_NULL,       STR_RESIZE_BUTTON},

   483

{   WIDGETS_END},

   484

};

   485

   486

static const Widget _replace_road_vehicle_widgets[] = {