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/* $Id$ */

     2

     3

/** @file airport_gui.cpp */

     4

     5

#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "table/sprites.h"

     8

#include "table/strings.h"

     9

#include "functions.h"

    10

#include "map.h"

    11

#include "window.h"

    12

#include "gui.h"

    13

#include "viewport.h"

    14

#include "gfx.h"

    15

#include "sound.h"

    16

#include "command.h"

    17

#include "vehicle.h"

    18

#include "station.h"

    19

#include "airport.h"

    20

#include "depot.h"

    21

#include "strings.h"

    22

#include "newgrf_callbacks.h"

    23

    24

//TODO: remove station.h once converted to newgrf airports. stations just used as temporary loader

    25

#include "station.h"

    26

static struct {

    27

	byte orientation;

    28

	byte numtracks;

    29

	byte platlength;

    30

	bool dragdrop;

    31

    32

	bool newstations;

    33

	bool newstation_selected;

    34

	FSMportsClassIDByte fsmports_class;

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	byte station_type;

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	byte station_count;

    37

} _railstation;

    38

//TODO: remove above after conversion

    39

    40

    41

    42

static byte _selected_airport_type;

    43

    44

static void ShowBuildAirportPicker();

    45

    46

    47

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

    48

{

    49

	if (success) {

    50

		SndPlayTileFx(SND_1F_SPLAT, tile);

    51

		ResetObjectToPlace();

    52

	}

    53

}

    54

    55

static void PlaceAirport(TileIndex tile)

    56

{

    57

	//DoCommandP(tile, _selected_airport_type, _ctrl_pressed, CcBuildAirport, CMD_BUILD_AIRPORT | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_A001_CAN_T_BUILD_AIRPORT_HERE));

    58

		DoCommandP(tile,

    59

				_railstation.orientation | (_railstation.numtracks << 8) | (_railstation.platlength << 16) | (_ctrl_pressed << 24),

    60

				_selected_airport_type | ((_railstation.newstation_selected)? 0x80 : 0x00) | (_railstation.fsmports_class << 8) | (_railstation.station_type << 16), CcBuildAirport,

    61

				CMD_BUILD_AIRPORT | CMD_NO_WATER | CMD_AUTO | CMD_MSG(STR_A001_CAN_T_BUILD_AIRPORT_HERE));

    62

}

    63

    64

static void PlaceAir_DemolishArea(TileIndex tile)

    65

{

    66

	VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_DEMOLISH_AREA);

    67

}

    68

    69

    70

enum {

    71

	ATW_AIRPORT  = 3,

    72

	ATW_DEMOLISH = 4

    73

};

    74

    75

    76

static void BuildAirClick_Airport(Window *w)

    77

{

    78

	if (HandlePlacePushButton(w, ATW_AIRPORT, SPR_CURSOR_AIRPORT, 1, PlaceAirport)) ShowBuildAirportPicker();

    79

}

    80

    81

static void BuildAirClick_Demolish(Window *w)

    82

{

    83

	HandlePlacePushButton(w, ATW_DEMOLISH, ANIMCURSOR_DEMOLISH, 1, PlaceAir_DemolishArea);

    84

}

    85

    86

    87

typedef void OnButtonClick(Window *w);

    88

static OnButtonClick * const _build_air_button_proc[] = {

    89

	BuildAirClick_Airport,

    90

	BuildAirClick_Demolish,

    91

};

    92

    93

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

    94

{

    95

	switch (e->event) {

    96

	case WE_PAINT:

    97

		DrawWindowWidgets(w);

    98

		break;

    99

   100

	case WE_CLICK:

   101

		if (e->we.click.widget - 3 >= 0)

   102

			_build_air_button_proc[e->we.click.widget - 3](w);

   103

		break;

   104

   105

	case WE_KEYPRESS: {

   106

		switch (e->we.keypress.keycode) {

   107

			case '1': BuildAirClick_Airport(w); break;

   108

			case '2': BuildAirClick_Demolish(w); break;

   109

			default: return;

   110

		}

   111

	} break;

   112

   113

	case WE_PLACE_OBJ:

   114

		_place_proc(e->we.place.tile);

   115

		break;

   116

   117

	case WE_PLACE_DRAG:

   118

		VpSelectTilesWithMethod(e->we.place.pt.x, e->we.place.pt.y, e->we.place.select_method);

   119

		break;

   120

   121

	case WE_PLACE_MOUSEUP:

   122

		if (e->we.place.pt.x != -1 && e->we.place.select_proc == DDSP_DEMOLISH_AREA) {

   123

			DoCommandP(e->we.place.tile, e->we.place.starttile, 0, CcPlaySound10, CMD_CLEAR_AREA | CMD_MSG(STR_00B5_CAN_T_CLEAR_THIS_AREA));

   124

		}

   125

		break;

   126

   127

	case WE_ABORT_PLACE_OBJ:

   128

		RaiseWindowButtons(w);

   129

   130

		w = FindWindowById(WC_BUILD_STATION, 0);

   131

		if (w != 0)

   132

			WP(w, def_d).close = true;

   133

		break;

   134

   135

	case WE_DESTROY:

   136

		if (_patches.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0);

   137

		break;

   138

	}

   139

}

   140

   141

static const Widget _air_toolbar_widgets[] = {

   142

{   WWT_CLOSEBOX,   RESIZE_NONE,     7,     0,    10,     0,    13, STR_00C5,            STR_018B_CLOSE_WINDOW },

   143

{    WWT_CAPTION,   RESIZE_NONE,     7,    11,    51,     0,    13, STR_A000_AIRPORTS,   STR_018C_WINDOW_TITLE_DRAG_THIS },

   144

{  WWT_STICKYBOX,   RESIZE_NONE,     7,    52,    63,     0,    13, 0x0,                 STR_STICKY_BUTTON },

   145

{     WWT_IMGBTN,   RESIZE_NONE,     7,     0,    41,    14,    35, SPR_IMG_AIRPORT,     STR_A01E_BUILD_AIRPORT },

   146

{     WWT_IMGBTN,   RESIZE_NONE,     7,    42,    63,    14,    35, SPR_IMG_DYNAMITE,    STR_018D_DEMOLISH_BUILDINGS_ETC },

   147

{   WIDGETS_END},

   148

};

   149

   150

   151

static const WindowDesc _air_toolbar_desc = {

   153

	WC_BUILD_TOOLBAR, WC_NONE,

   154

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_STICKY_BUTTON,

   155

	_air_toolbar_widgets,

   156

	BuildAirToolbWndProc

   157

};

   158

   159

void ShowBuildAirToolbar()

   160

{

   161

	if (!IsValidPlayer(_current_player)) return;

   162

   163

	DeleteWindowById(WC_BUILD_TOOLBAR, 0);

   164

	Window *w = AllocateWindowDescFront(&_air_toolbar_desc, 0);

   165

	if (_patches.link_terraform_toolbar) ShowTerraformToolbar(w);

   166

}

   167

   168

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

   169

{

   170

	switch (e->event) {

   171

	case WE_CREATE:

   172

		SetWindowWidgetLoweredState(w, 16, !_station_show_coverage);

   173

		SetWindowWidgetLoweredState(w, 17, _station_show_coverage);

   174

		LowerWindowWidget(w, _selected_airport_type + 7);

   175

		break;

   176

   177

	case WE_PAINT: {

   178

		bool newstations = (GetNumFSMportsClasses() != 0);

   179

		int y_offset;

   180

		const FSMportsSpec *fsmportspec = newstations ? GetCustomFSMportsSpec(_railstation.fsmports_class, _railstation.station_type) : NULL;

   181

   182

		int i; // airport enabling loop

   183

		uint32 avail_airports;

   184

		const AirportFTAClass *airport;

   185

   186

		if (WP(w, def_d).close) return;

   187

   188

		avail_airports = GetValidAirports();

   189

   190

		RaiseWindowWidget(w, _selected_airport_type + 7);

   191

		if (!HASBIT(avail_airports, 0) && _selected_airport_type == AT_SMALL) _selected_airport_type = AT_LARGE;

   192

		if (!HASBIT(avail_airports, 1) && _selected_airport_type == AT_LARGE) _selected_airport_type = AT_SMALL;

   193

		LowerWindowWidget(w, _selected_airport_type + 7);

   194

   195

		/* 'Country Airport' starts at widget 7, and if its bit is set, it is

   196

		 * available, so take its opposite value to set the disabled state.

   197

		 * There are 9 buildable airports

   198

		 * XXX TODO : all airports should be held in arrays, with all relevant data.

   199

		 * This should be part of newgrf-airports, i suppose

   200

		 */

   201

		for (i = 0; i < 9; i++) SetWindowWidgetDisabledState(w, i + 7, !HASBIT(avail_airports, i));

   202

   203

		airport = GetAirport(_selected_airport_type);

   204

   205

		if (_railstation.newstation_selected) {

   206

			int x = _railstation.platlength;

   207

			int y = _railstation.numtracks;

   208

			if (_railstation.orientation == 0) Swap(x, y);

   209

			SetTileSelectSize(x, y);

   210

		} else {

   211

   212

			// select default the coverage area to 'Off' (16)

   213

			SetTileSelectSize(airport->size_x, airport->size_y);

   214

		}

   215

   216

		_thd.airport = _selected_airport_type;

   217

		_thd.airport_template = true;

   218

   219

		int rad = _patches.modified_catchment ? ((_railstation.newstation_selected)? fsmportspec->portFSM->catchment : airport->catchment) : 4;

   220

   221

		if (_station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);

   222

   223

		SetDParam(0, GetFSMportsClassName(_railstation.fsmports_class));

   224

		DrawWindowWidgets(w);

   225

   226

		y_offset = newstations ? 90 : 0;

   227

   228

		// strings such as 'Size' and 'Coverage Area'

   229

		// 'Coverage Area'

   230

		DrawStationCoverageAreaText(2, 206 + y_offset, SCT_ALL, rad);

   231

   232

		if (newstations) {

   233

			uint16 i;

   234

			uint y = 35;

   235

   236

			for (i = w->vscroll.pos; i < _railstation.station_count && i < (uint)(w->vscroll.pos + w->vscroll.cap); i++) {

   237

				const FSMportsSpec *fsmportspec = GetCustomFSMportsSpec(_railstation.fsmports_class, i);

   238

   239

				if (fsmportspec != NULL && fsmportspec->name != 0) {

   240

					if (HASBIT(fsmportspec->callbackmask, CBM_STATION_AVAIL) && GetFSMportsCallback(CBID_STATION_AVAILABILITY, 0, 0, fsmportspec, NULL, INVALID_TILE) == 0) {

   241

						GfxFillRect(8, y - 2, 127, y + 10, (1 << PALETTE_MODIFIER_GREYOUT));

   242

					}

   243

   244

					DrawStringTruncated(9, y, fsmportspec->name, i == _railstation.station_type ? 12 : 16, 118);

   245

				} else {

   246

					DrawStringTruncated(9, y, STR_STAT_CLASS_DFLT, i == _railstation.station_type ? 12 : 16, 118);

   247

				}

   248

   249

				y += 14;

   250

			}

   251

		}

   252

   253

   254

		break;

   255

	}

   256

   257

	case WE_CLICK: {

   258

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

   259

		case 7: case 8: case 9: case 10: case 11: case 12: case 13: case 14: case 15:

   260

			RaiseWindowWidget(w, _selected_airport_type + 7);

   261

			_selected_airport_type = e->we.click.widget - 7;

   262

			_railstation.newstation_selected = false;

   263

			LowerWindowWidget(w, _selected_airport_type + 7);

   264

			SndPlayFx(SND_15_BEEP);

   265

			SetWindowDirty(w);

   266

			break;

   267

		case 16: case 17:

   268

			_station_show_coverage = (e->we.click.widget != 16);

   269

			SetWindowWidgetLoweredState(w, 16, !_station_show_coverage);

   270

			SetWindowWidgetLoweredState(w, 17, _station_show_coverage);

   271

			SndPlayFx(SND_15_BEEP);

   272

			SetWindowDirty(w);

   273

			break;

   274

		case 23:

   275

		case 24:

   276

			ShowDropDownMenu(w, BuildFSMportsClassDropdown(), _railstation.fsmports_class, 24, 0, 1 << FSMPORTS_CLASS_WAYP);

   277

			break;

   278

   279

		case 25: {

   280

			const FSMportsSpec *fsmportspec;

   281

			int y = (e->we.click.pt.y - 32) / 14;

   282

   283

			if (y >= w->vscroll.cap) return;

   284

			y += w->vscroll.pos;

   285

			if (y >= _railstation.station_count) return;

   286

   287

			/* Check station availability callback */

   288

			fsmportspec = GetCustomFSMportsSpec(_railstation.fsmports_class, y);

   289

			if (fsmportspec != NULL &&

   290

				HASBIT(fsmportspec->callbackmask, CBM_STATION_AVAIL) &&

   291

				GetFSMportsCallback(CBID_STATION_AVAILABILITY, 0, 0, fsmportspec, NULL, INVALID_TILE) == 0) return;

   292

   293

			_railstation.station_type = y;

   294

			_railstation.numtracks = fsmportspec->width;

   295

			_railstation.platlength = fsmportspec->lengths;

   296

			_railstation.newstation_selected = true;

   297

   298

			SndPlayFx(SND_15_BEEP);

   299

			SetWindowDirty(w);

   300

			break;

   301

			}

   302

		}

   303

	} break;

   304

   305

	case WE_DROPDOWN_SELECT: {

   306

		if (_railstation.fsmports_class != e->we.dropdown.index) {

   307

			_railstation.fsmports_class = (FSMportsClassID)e->we.dropdown.index;

   308

			_railstation.station_type  = 0;

   309

			_railstation.station_count = GetNumCustomFSMports(_railstation.fsmports_class);

   310

   311

			w->vscroll.count = _railstation.station_count;

   312

			w->vscroll.pos   = _railstation.station_type;

   313

		}

   314

   315

		SndPlayFx(SND_15_BEEP);

   316

		SetWindowDirty(w);

   317

	} break;

   318

   319

   320

	case WE_MOUSELOOP: {

   321

		if (WP(w, def_d).close) {

   322

			DeleteWindow(w);

   323

			return;

   324

		}

   325

   326

		CheckRedrawStationCoverage(w);

   327

	} break;

   328

   329

	case WE_DESTROY:

   330

		if (!WP(w, def_d).close) ResetObjectToPlace();

   331

		break;

   332

	}

   333

}

   334

   335

static const Widget _build_airport_picker_widgets[] = {

   336

{   WWT_CLOSEBOX,   RESIZE_NONE,     7,     0,    10,     0,    13, STR_00C5,                         STR_018B_CLOSE_WINDOW},

   337

{    WWT_CAPTION,   RESIZE_NONE,     7,    11,   147,     0,    13, STR_3001_AIRPORT_SELECTION,       STR_018C_WINDOW_TITLE_DRAG_THIS},

   338

{      WWT_PANEL,   RESIZE_NONE,     7,     0,   147,    14,    52, 0x0,                              STR_NULL},

   339

{      WWT_PANEL,   RESIZE_NONE,     7,     0,   147,    53,    89, 0x0,                              STR_NULL},

   340

{      WWT_PANEL,   RESIZE_NONE,     7,     0,   147,    90,   127, 0x0,                              STR_NULL},

   341

{      WWT_PANEL,   RESIZE_NONE,     7,     0,   147,   128,   177, 0x0,                              STR_NULL},

   342

{      WWT_PANEL,   RESIZE_NONE,     7,     0,   147,   178,   239, 0x0,                              STR_NULL},

   343

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,    27,    38, STR_SMALL_AIRPORT,                STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   344

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,    65,    76, STR_CITY_AIRPORT,                 STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   345

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,   141,   152, STR_HELIPORT,                     STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   346

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,    77,    88, STR_METRO_AIRPORT ,               STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   347

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,   103,   114, STR_INTERNATIONAL_AIRPORT,        STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   348

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,    39,    50, STR_COMMUTER_AIRPORT,             STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   349

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,   165,   176, STR_HELIDEPOT,                    STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   350

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,   115,   126, STR_INTERCONTINENTAL_AIRPORT,     STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   351

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,   153,   164, STR_HELISTATION,                  STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   352

{    WWT_TEXTBTN,   RESIZE_NONE,    14,    14,    73,   191,   202, STR_02DB_OFF,                     STR_3065_DON_T_HIGHLIGHT_COVERAGE},

   353

{    WWT_TEXTBTN,   RESIZE_NONE,    14,    74,   133,   191,   202, STR_02DA_ON,                      STR_3064_HIGHLIGHT_COVERAGE_AREA},

   354

{      WWT_LABEL,   RESIZE_NONE,     7,     0,   147,    14,    27, STR_SMALL_AIRPORTS,               STR_NULL},

   355

{      WWT_LABEL,   RESIZE_NONE,     7,     0,   147,    52,    65, STR_LARGE_AIRPORTS,               STR_NULL},

   356

{      WWT_LABEL,   RESIZE_NONE,     7,     0,   147,    90,   103, STR_HUB_AIRPORTS,                 STR_NULL},

   357

{      WWT_LABEL,   RESIZE_NONE,     7,     0,   147,   128,   141, STR_HELIPORTS,                    STR_NULL},

   358

{      WWT_LABEL,   RESIZE_NONE,     7,     0,   147,   178,   191, STR_3066_COVERAGE_AREA_HIGHLIGHT, STR_NULL},

   359

{   WIDGETS_END},

   360

};

   361

   362

static const Widget _newports_build_airport_picker_widgets[] = {

   363

{   WWT_CLOSEBOX,   RESIZE_NONE,     7,     0,    10,     0,    13, STR_00C5,                         STR_018B_CLOSE_WINDOW},

   364

{    WWT_CAPTION,   RESIZE_NONE,     7,    11,   147,     0,    13, STR_3001_AIRPORT_SELECTION,       STR_018C_WINDOW_TITLE_DRAG_THIS},

   365

{      WWT_PANEL,   RESIZE_NONE,     7,     0,   147,    14,   142, 0x0,                              STR_NULL},

   366

{      WWT_PANEL,   RESIZE_NONE,     7,     0,   147,   143,   179, 0x0,                              STR_NULL},

   367

{      WWT_PANEL,   RESIZE_NONE,     7,     0,   147,   180,   217, 0x0,                              STR_NULL},

   368

{      WWT_PANEL,   RESIZE_NONE,     7,     0,   147,   218,   267, 0x0,                              STR_NULL},

   369

{      WWT_PANEL,   RESIZE_NONE,     7,     0,   147,   268,   329, 0x0,                              STR_NULL},

   370

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,   117,   128, STR_SMALL_AIRPORT,                STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   371

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,   155,   166, STR_CITY_AIRPORT,                 STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   372

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,   231,   242, STR_HELIPORT,                     STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   373

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,   167,   178, STR_METRO_AIRPORT ,               STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   374

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,   193,   204, STR_INTERNATIONAL_AIRPORT,        STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   375

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,   129,   140, STR_COMMUTER_AIRPORT,             STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   376

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,   255,   266, STR_HELIDEPOT,                    STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   377

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,   205,   216, STR_INTERCONTINENTAL_AIRPORT,     STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   378

{    WWT_TEXTBTN,   RESIZE_NONE,    14,     2,   145,   243,   254, STR_HELISTATION,                  STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},

   379

{    WWT_TEXTBTN,   RESIZE_NONE,    14,    14,    73,   281,   292, STR_02DB_OFF,                     STR_3065_DON_T_HIGHLIGHT_COVERAGE},

   380

{    WWT_TEXTBTN,   RESIZE_NONE,    14,    74,   133,   281,   292, STR_02DA_ON,                      STR_3064_HIGHLIGHT_COVERAGE_AREA},

   381

{      WWT_LABEL,   RESIZE_NONE,     7,     0,   147,   104,   117, STR_SMALL_AIRPORTS,               STR_NULL},

   382

{      WWT_LABEL,   RESIZE_NONE,     7,     0,   147,   142,   155, STR_LARGE_AIRPORTS,               STR_NULL},

   383

{      WWT_LABEL,   RESIZE_NONE,     7,     0,   147,   180,   193, STR_HUB_AIRPORTS,                 STR_NULL},

   384

{      WWT_LABEL,   RESIZE_NONE,     7,     0,   147,   218,   231, STR_HELIPORTS,                    STR_NULL},

   385

{      WWT_LABEL,   RESIZE_NONE,     7,     0,   147,   268,   281, STR_3066_COVERAGE_AREA_HIGHLIGHT, STR_NULL},

   386

/* newstations gui additions */

   387

//TODO: modify for airport specific texts

   388

{      WWT_INSET,   RESIZE_NONE,    14,     7,   140,    17,    28, STR_02BD,                        STR_SELECT_STATION_CLASS_TIP},

   389

{    WWT_TEXTBTN,   RESIZE_NONE,    14,   129,   139,    18,    27, STR_0225,                        STR_SELECT_STATION_CLASS_TIP},

   390

{     WWT_MATRIX,   RESIZE_NONE,    14,     7,   128,    32,   102, 0x501,                           STR_SELECT_STATION_TYPE_TIP},

   391

{  WWT_SCROLLBAR,   RESIZE_NONE,    14,   129,   140,    32,   102, 0x0,                             STR_0190_SCROLL_BAR_SCROLLS_LIST},

   392

{   WIDGETS_END},

   393

};

   394

   395

static const WindowDesc _build_airport_desc = {

   397

	WC_BUILD_STATION, WC_BUILD_TOOLBAR,

   398

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET,

   399

	_build_airport_picker_widgets,

   400

	BuildAirportPickerWndProc

   401

};

   402

   403

static const WindowDesc _newports_build_airport_desc = {

   405

	WC_BUILD_STATION, WC_BUILD_TOOLBAR,

   406

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET,

   407

	_newports_build_airport_picker_widgets,

   408

	BuildAirportPickerWndProc

   409

};

   410

   411

static void ShowBuildAirportPicker()

   412

{

   413

	Window *w;

   414

	if (GetNumFSMportsClasses() == 0) {

   415

		w = AllocateWindowDesc(&_build_airport_desc);

   416

		_railstation.newstations = false;

   417

	} else

   418

	{

   419

		w = AllocateWindowDesc(&_newports_build_airport_desc);

   420

		_railstation.newstations = true;

   421

		_railstation.station_count = GetNumCustomFSMports(_railstation.fsmports_class);

   422

   423

		w->vscroll.count = _railstation.station_count;

   424

		w->vscroll.cap   = 5;

   425

		w->vscroll.pos   = clamp(_railstation.station_type - 2, 0, w->vscroll.count - w->vscroll.cap);

   426

	}

   427

}

   428

   429

void InitializeAirportGui()

   430

{

   431

	_selected_airport_type = AT_SMALL;

   432

}