Files @ r28572:dd3e6f760743
Branch filter:

Location: cpp/openttd-patchpack/source/src/misc_gui.cpp

Rubidium
Update: nlohmann/json to 3.11.3
   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */

/** @file misc_gui.cpp GUIs for a number of misc windows. */

#include "stdafx.h"
#include "debug.h"
#include "landscape.h"
#include "error.h"
#include "gui.h"
#include "command_func.h"
#include "company_func.h"
#include "town.h"
#include "string_func.h"
#include "company_base.h"
#include "texteff.hpp"
#include "strings_func.h"
#include "window_func.h"
#include "querystring_gui.h"
#include "core/geometry_func.hpp"
#include "newgrf_debug.h"
#include "zoom_func.h"
#include "viewport_func.h"
#include "landscape_cmd.h"
#include "rev.h"
#include "timer/timer.h"
#include "timer/timer_window.h"

#include "widgets/misc_widget.h"

#include "table/strings.h"

#include <sstream>
#include <iomanip>

#include "safeguards.h"

/** Method to open the OSK. */
enum OskActivation {
	OSKA_DISABLED,           ///< The OSK shall not be activated at all.
	OSKA_DOUBLE_CLICK,       ///< Double click on the edit box opens OSK.
	OSKA_SINGLE_CLICK,       ///< Single click after focus click opens OSK.
	OSKA_IMMEDIATELY,        ///< Focusing click already opens OSK.
};


static constexpr NWidgetPart _nested_land_info_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_GREY),
		NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_LAND_AREA_INFORMATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
		NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_LI_LOCATION), SetMinimalSize(12, 14), SetDataTip(SPR_GOTO_LOCATION, STR_LAND_AREA_INFORMATION_LOCATION_TOOLTIP),
		NWidget(WWT_DEBUGBOX, COLOUR_GREY),
	EndContainer(),
	NWidget(WWT_PANEL, COLOUR_GREY, WID_LI_BACKGROUND), EndContainer(),
};

static WindowDesc _land_info_desc(__FILE__, __LINE__,
	WDP_AUTO, nullptr, 0, 0,
	WC_LAND_INFO, WC_NONE,
	0,
	std::begin(_nested_land_info_widgets), std::end(_nested_land_info_widgets)
);

class LandInfoWindow : public Window {
	StringList  landinfo_data;    ///< Info lines to show.
	std::string cargo_acceptance; ///< Centered multi-line string for cargo acceptance.

public:
	TileIndex tile;

	void DrawWidget(const Rect &r, WidgetID widget) const override
	{
		if (widget != WID_LI_BACKGROUND) return;

		Rect ir = r.Shrink(WidgetDimensions::scaled.frametext);
		for (size_t i = 0; i < this->landinfo_data.size(); i++) {
			DrawString(ir, this->landinfo_data[i], i == 0 ? TC_LIGHT_BLUE : TC_FROMSTRING, SA_HOR_CENTER);
			ir.top += GetCharacterHeight(FS_NORMAL) + (i == 0 ? WidgetDimensions::scaled.vsep_wide : WidgetDimensions::scaled.vsep_normal);
		}

		if (!this->cargo_acceptance.empty()) {
			SetDParamStr(0, this->cargo_acceptance);
			DrawStringMultiLine(ir, STR_JUST_RAW_STRING, TC_FROMSTRING, SA_CENTER);
		}
	}

	void UpdateWidgetSize(WidgetID widget, Dimension *size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension *fill, [[maybe_unused]] Dimension *resize) override
	{
		if (widget != WID_LI_BACKGROUND) return;

		size->height = WidgetDimensions::scaled.frametext.Vertical();
		for (size_t i = 0; i < this->landinfo_data.size(); i++) {
			uint width = GetStringBoundingBox(this->landinfo_data[i]).width + WidgetDimensions::scaled.frametext.Horizontal();
			size->width = std::max(size->width, width);

			size->height += GetCharacterHeight(FS_NORMAL) + (i == 0 ? WidgetDimensions::scaled.vsep_wide : WidgetDimensions::scaled.vsep_normal);
		}

		if (!this->cargo_acceptance.empty()) {
			uint width = GetStringBoundingBox(this->cargo_acceptance).width + WidgetDimensions::scaled.frametext.Horizontal();
			size->width = std::max(size->width, std::min(static_cast<uint>(ScaleGUITrad(300)), width));
			SetDParamStr(0, cargo_acceptance);
			size->height += GetStringHeight(STR_JUST_RAW_STRING, size->width - WidgetDimensions::scaled.frametext.Horizontal());
		}
	}

	LandInfoWindow(Tile tile) : Window(&_land_info_desc), tile(tile)
	{
		this->InitNested();

#if defined(_DEBUG)
#	define LANDINFOD_LEVEL 0
#else
#	define LANDINFOD_LEVEL 1
#endif
		Debug(misc, LANDINFOD_LEVEL, "TILE: 0x{:x} ({},{})", (TileIndex)tile, TileX(tile), TileY(tile));
		Debug(misc, LANDINFOD_LEVEL, "type   = 0x{:x}", tile.type());
		Debug(misc, LANDINFOD_LEVEL, "height = 0x{:x}", tile.height());
		Debug(misc, LANDINFOD_LEVEL, "m1     = 0x{:x}", tile.m1());
		Debug(misc, LANDINFOD_LEVEL, "m2     = 0x{:x}", tile.m2());
		Debug(misc, LANDINFOD_LEVEL, "m3     = 0x{:x}", tile.m3());
		Debug(misc, LANDINFOD_LEVEL, "m4     = 0x{:x}", tile.m4());
		Debug(misc, LANDINFOD_LEVEL, "m5     = 0x{:x}", tile.m5());
		Debug(misc, LANDINFOD_LEVEL, "m6     = 0x{:x}", tile.m6());
		Debug(misc, LANDINFOD_LEVEL, "m7     = 0x{:x}", tile.m7());
		Debug(misc, LANDINFOD_LEVEL, "m8     = 0x{:x}", tile.m8());
#undef LANDINFOD_LEVEL
	}

	void OnInit() override
	{
		Town *t = ClosestTownFromTile(tile, _settings_game.economy.dist_local_authority);

		/* Because build_date is not set yet in every TileDesc, we make sure it is empty */
		TileDesc td;

		td.build_date = CalendarTime::INVALID_DATE;

		/* Most tiles have only one owner, but
		 *  - drivethrough roadstops can be build on town owned roads (up to 2 owners) and
		 *  - roads can have up to four owners (railroad, road, tram, 3rd-roadtype "highway").
		 */
		td.owner_type[0] = STR_LAND_AREA_INFORMATION_OWNER; // At least one owner is displayed, though it might be "N/A".
		td.owner_type[1] = STR_NULL;       // STR_NULL results in skipping the owner
		td.owner_type[2] = STR_NULL;
		td.owner_type[3] = STR_NULL;
		td.owner[0] = OWNER_NONE;
		td.owner[1] = OWNER_NONE;
		td.owner[2] = OWNER_NONE;
		td.owner[3] = OWNER_NONE;

		td.station_class = STR_NULL;
		td.station_name = STR_NULL;
		td.airport_class = STR_NULL;
		td.airport_name = STR_NULL;
		td.airport_tile_name = STR_NULL;
		td.railtype = STR_NULL;
		td.rail_speed = 0;
		td.roadtype = STR_NULL;
		td.road_speed = 0;
		td.tramtype = STR_NULL;
		td.tram_speed = 0;

		td.grf = nullptr;

		CargoArray acceptance{};
		AddAcceptedCargo(tile, acceptance, nullptr);
		GetTileDesc(tile, &td);

		this->landinfo_data.clear();

		/* Tiletype */
		SetDParam(0, td.dparam);
		this->landinfo_data.push_back(GetString(td.str));

		/* Up to four owners */
		for (uint i = 0; i < 4; i++) {
			if (td.owner_type[i] == STR_NULL) continue;

			SetDParam(0, STR_LAND_AREA_INFORMATION_OWNER_N_A);
			if (td.owner[i] != OWNER_NONE && td.owner[i] != OWNER_WATER) SetDParamsForOwnedBy(td.owner[i], tile);
			this->landinfo_data.push_back(GetString(td.owner_type[i]));
		}

		/* Cost to clear/revenue when cleared */
		StringID str = STR_LAND_AREA_INFORMATION_COST_TO_CLEAR_N_A;
		Company *c = Company::GetIfValid(_local_company);
		if (c != nullptr) {
			assert(_current_company == _local_company);
			CommandCost costclear = Command<CMD_LANDSCAPE_CLEAR>::Do(DC_QUERY_COST, tile);
			if (costclear.Succeeded()) {
				Money cost = costclear.GetCost();
				if (cost < 0) {
					cost = -cost; // Negate negative cost to a positive revenue
					str = STR_LAND_AREA_INFORMATION_REVENUE_WHEN_CLEARED;
				} else {
					str = STR_LAND_AREA_INFORMATION_COST_TO_CLEAR;
				}
				SetDParam(0, cost);
			}
		}
		this->landinfo_data.push_back(GetString(str));

		/* Location */
		std::stringstream tile_ss;
		tile_ss << "0x" << std::setfill('0') << std::setw(4) << std::hex << std::uppercase << tile.base(); // 0x%.4X

		SetDParam(0, TileX(tile));
		SetDParam(1, TileY(tile));
		SetDParam(2, GetTileZ(tile));
		SetDParamStr(3, tile_ss.str());
		this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_LANDINFO_COORDS));

		/* Local authority */
		SetDParam(0, STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE);
		if (t != nullptr) {
			SetDParam(0, STR_TOWN_NAME);
			SetDParam(1, t->index);
		}
		this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY));

		/* Build date */
		if (td.build_date != CalendarTime::INVALID_DATE) {
			SetDParam(0, td.build_date);
			this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_BUILD_DATE));
		}

		/* Station class */
		if (td.station_class != STR_NULL) {
			SetDParam(0, td.station_class);
			this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_STATION_CLASS));
		}

		/* Station type name */
		if (td.station_name != STR_NULL) {
			SetDParam(0, td.station_name);
			this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_STATION_TYPE));
		}

		/* Airport class */
		if (td.airport_class != STR_NULL) {
			SetDParam(0, td.airport_class);
			this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_AIRPORT_CLASS));
		}

		/* Airport name */
		if (td.airport_name != STR_NULL) {
			SetDParam(0, td.airport_name);
			this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_AIRPORT_NAME));
		}

		/* Airport tile name */
		if (td.airport_tile_name != STR_NULL) {
			SetDParam(0, td.airport_tile_name);
			this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_AIRPORTTILE_NAME));
		}

		/* Rail type name */
		if (td.railtype != STR_NULL) {
			SetDParam(0, td.railtype);
			this->landinfo_data.push_back(GetString(STR_LANG_AREA_INFORMATION_RAIL_TYPE));
		}

		/* Rail speed limit */
		if (td.rail_speed != 0) {
			SetDParam(0, PackVelocity(td.rail_speed, VEH_TRAIN));
			this->landinfo_data.push_back(GetString(STR_LANG_AREA_INFORMATION_RAIL_SPEED_LIMIT));
		}

		/* Road type name */
		if (td.roadtype != STR_NULL) {
			SetDParam(0, td.roadtype);
			this->landinfo_data.push_back(GetString(STR_LANG_AREA_INFORMATION_ROAD_TYPE));
		}

		/* Road speed limit */
		if (td.road_speed != 0) {
			SetDParam(0, PackVelocity(td.road_speed, VEH_ROAD));
			this->landinfo_data.push_back(GetString(STR_LANG_AREA_INFORMATION_ROAD_SPEED_LIMIT));
		}

		/* Tram type name */
		if (td.tramtype != STR_NULL) {
			SetDParam(0, td.tramtype);
			this->landinfo_data.push_back(GetString(STR_LANG_AREA_INFORMATION_TRAM_TYPE));
		}

		/* Tram speed limit */
		if (td.tram_speed != 0) {
			SetDParam(0, PackVelocity(td.tram_speed, VEH_ROAD));
			this->landinfo_data.push_back(GetString(STR_LANG_AREA_INFORMATION_TRAM_SPEED_LIMIT));
		}

		/* NewGRF name */
		if (td.grf != nullptr) {
			SetDParamStr(0, td.grf);
			this->landinfo_data.push_back(GetString(STR_LAND_AREA_INFORMATION_NEWGRF_NAME));
		}

		/* Cargo acceptance is displayed in a extra multiline */
		std::stringstream line;
		line << GetString(STR_LAND_AREA_INFORMATION_CARGO_ACCEPTED);

		bool found = false;
		for (const CargoSpec *cs : _sorted_cargo_specs) {
			CargoID cid = cs->Index();
			if (acceptance[cid] > 0) {
				/* Add a comma between each item. */
				if (found) line << ", ";
				found = true;

				/* If the accepted value is less than 8, show it in 1/8:ths */
				if (acceptance[cid] < 8) {
					SetDParam(0, acceptance[cid]);
					SetDParam(1, cs->name);
					line << GetString(STR_LAND_AREA_INFORMATION_CARGO_EIGHTS);
				} else {
					line << GetString(cs->name);
				}
			}
		}
		if (found) {
			this->cargo_acceptance = line.str();
		} else {
			this->cargo_acceptance.clear();
		}
	}

	bool IsNewGRFInspectable() const override
	{
		return ::IsNewGRFInspectable(GetGrfSpecFeature(this->tile), this->tile.base());
	}

	void ShowNewGRFInspectWindow() const override
	{
		::ShowNewGRFInspectWindow(GetGrfSpecFeature(this->tile), this->tile.base());
	}

	void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
	{
		switch (widget) {
			case WID_LI_LOCATION:
				if (_ctrl_pressed) {
					ShowExtraViewportWindow(this->tile);
				} else {
					ScrollMainWindowToTile(this->tile);
				}
				break;
		}
	}

	/**
	 * Some data on this window has become invalid.
	 * @param data Information about the changed data.
	 * @param gui_scope Whether the call is done from GUI scope. You may not do everything when not in GUI scope. See #InvalidateWindowData() for details.
	 */
	void OnInvalidateData([[maybe_unused]] int data = 0, [[maybe_unused]] bool gui_scope = true) override
	{
		if (!gui_scope) return;

		/* ReInit, "debug" sprite might have changed */
		if (data == 1) this->ReInit();
	}
};

/**
 * Show land information window.
 * @param tile The tile to show information about.
 */
void ShowLandInfo(TileIndex tile)
{
	CloseWindowById(WC_LAND_INFO, 0);
	new LandInfoWindow(tile);
}

static constexpr NWidgetPart _nested_about_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_GREY),
		NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_ABOUT_OPENTTD, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
	EndContainer(),
	NWidget(WWT_PANEL, COLOUR_GREY), SetPIP(4, 2, 4),
		NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_ABOUT_ORIGINAL_COPYRIGHT, STR_NULL),
		NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_ABOUT_VERSION, STR_NULL),
		NWidget(WWT_FRAME, COLOUR_GREY), SetPadding(0, 5, 1, 5),
			NWidget(WWT_EMPTY, INVALID_COLOUR, WID_A_SCROLLING_TEXT),
		EndContainer(),
		NWidget(WWT_LABEL, COLOUR_GREY, WID_A_WEBSITE), SetDataTip(STR_JUST_RAW_STRING, STR_NULL),
		NWidget(WWT_LABEL, COLOUR_GREY, WID_A_COPYRIGHT), SetDataTip(STR_ABOUT_COPYRIGHT_OPENTTD, STR_NULL),
	EndContainer(),
};

static WindowDesc _about_desc(__FILE__, __LINE__,
	WDP_CENTER, nullptr, 0, 0,
	WC_GAME_OPTIONS, WC_NONE,
	0,
	std::begin(_nested_about_widgets), std::end(_nested_about_widgets)
);

static const char * const _credits[] = {
	"Original design by Chris Sawyer",
	"Original graphics by Simon Foster",
	"",
	"The OpenTTD team (in alphabetical order):",
	"  Matthijs Kooijman (blathijs) - Pathfinder-guru, Debian port (since 0.3)",
	"  Christoph Elsenhans (frosch) - General coding (since 0.6)",
	"  Lo\u00efc Guilloux (glx) - General / Windows Expert (since 0.4.5)",
	"  Charles Pigott (LordAro) - General / Correctness police (since 1.9)",
	"  Michael Lutz (michi_cc) - Path based signals (since 0.7)",
	"  Niels Martin Hansen (nielsm) - Music system, general coding (since 1.9)",
	"  Owen Rudge (orudge) - Forum host, OS/2 port (since 0.1)",
	"  Peter Nelson (peter1138) - Spiritual descendant from NewGRF gods (since 0.4.5)",
	"  Remko Bijker (Rubidium) - Coder and way more (since 0.4.5)",
	"  Patric Stout (TrueBrain) - NoProgrammer (since 0.3), sys op",
	"  Tyler Trahan (2TallTyler) - General coding (since 13)",
	"",
	"Inactive Developers:",
	"  Grzegorz Duczy\u0144ski (adf88) - General coding (1.7 - 1.8)",
	"  Albert Hofkamp (Alberth) - GUI expert (0.7 - 1.9)",
	"  Jean-Fran\u00e7ois Claeys (Belugas) - GUI, NewGRF and more (0.4.5 - 1.0)",
	"  Bjarni Corfitzen (Bjarni) - MacOSX port, coder and vehicles (0.3 - 0.7)",
	"  Victor Fischer (Celestar) - Programming everywhere you need him to (0.3 - 0.6)",
	"  Ulf Hermann (fonsinchen) - Cargo Distribution (1.3 - 1.6)",
	"  Jaroslav Mazanec (KUDr) - YAPG (Yet Another Pathfinder God) ;) (0.4.5 - 0.6)",
	"  Jonathan Coome (Maedhros) - High priest of the NewGRF Temple (0.5 - 0.6)",
	"  Attila B\u00e1n (MiHaMiX) - Developer WebTranslator 1 and 2 (0.3 - 0.5)",
	"  Ingo von Borstel (planetmaker) - General coding, Support (1.1 - 1.9)",
	"  Zden\u011bk Sojka (SmatZ) - Bug finder and fixer (0.6 - 1.3)",
	"  Jos\u00e9 Soler (Terkhen) - General coding (1.0 - 1.4)",
	"  Christoph Mallon (Tron) - Programmer, code correctness police (0.3 - 0.5)",
	"  Thijs Marinussen (Yexo) - AI Framework, General (0.6 - 1.3)",
	"  Leif Linse (Zuu) - AI/Game Script (1.2 - 1.6)",
	"",
	"Retired Developers:",
	"  Tam\u00e1s Farag\u00f3 (Darkvater) - Ex-Lead coder (0.3 - 0.5)",
	"  Dominik Scherer (dominik81) - Lead programmer, GUI expert (0.3 - 0.3)",
	"  Emil Djupfeld (egladil) - MacOSX (0.4.5 - 0.6)",
	"  Simon Sasburg (HackyKid) - Many bugfixes (0.4 - 0.4.5)",
	"  Ludvig Strigeus (ludde) - Original author of OpenTTD, main coder (0.1 - 0.3)",
	"  Cian Duffy (MYOB) - BeOS port / manual writing (0.1 - 0.3)",
	"  Petr Baudi\u0161 (pasky) - Many patches, NewGRF support (0.3 - 0.3)",
	"  Benedikt Br\u00fcggemeier (skidd13) - Bug fixer and code reworker (0.6 - 0.7)",
	"  Serge Paquet (vurlix) - 2nd contributor after ludde (0.1 - 0.3)",
	"",
	"Special thanks go out to:",
	"  Josef Drexler - For his great work on TTDPatch",
	"  Marcin Grzegorczyk - Track foundations and for describing TTD internals",
	"  Stefan Mei\u00dfner (sign_de) - For his work on the console",
	"  Mike Ragsdale - OpenTTD installer",
	"  Christian Rosentreter (tokai) - MorphOS / AmigaOS port",
	"  Richard Kempton (richK) - additional airports, initial TGP implementation",
	"  Alberto Demichelis - Squirrel scripting language \u00a9 2003-2008",
	"  L. Peter Deutsch - MD5 implementation \u00a9 1999, 2000, 2002",
	"  Michael Blunck - Pre-signals and semaphores \u00a9 2003",
	"  George - Canal/Lock graphics \u00a9 2003-2004",
	"  Andrew Parkhouse (andythenorth) - River graphics",
	"  David Dallaston (Pikka) - Tram tracks",
	"  All Translators - Who made OpenTTD a truly international game",
	"  Bug Reporters - Without whom OpenTTD would still be full of bugs!",
	"",
	"",
	"And last but not least:",
	"  Chris Sawyer - For an amazing game!"
};

struct AboutWindow : public Window {
	int text_position;                       ///< The top of the scrolling text
	int line_height;                         ///< The height of a single line
	static const int num_visible_lines = 19; ///< The number of lines visible simultaneously

	AboutWindow() : Window(&_about_desc)
	{
		this->InitNested(WN_GAME_OPTIONS_ABOUT);

		this->text_position = this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->pos_y + this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->current_y;
	}

	void SetStringParameters(WidgetID widget) const override
	{
		if (widget == WID_A_WEBSITE) SetDParamStr(0, "Website: https://www.openttd.org");
		if (widget == WID_A_COPYRIGHT) SetDParamStr(0, _openttd_revision_year);
	}

	void UpdateWidgetSize(WidgetID widget, Dimension *size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension *fill, [[maybe_unused]] Dimension *resize) override
	{
		if (widget != WID_A_SCROLLING_TEXT) return;

		this->line_height = GetCharacterHeight(FS_NORMAL);

		Dimension d;
		d.height = this->line_height * num_visible_lines;

		d.width = 0;
		for (uint i = 0; i < lengthof(_credits); i++) {
			d.width = std::max(d.width, GetStringBoundingBox(_credits[i]).width);
		}
		*size = maxdim(*size, d);
	}

	void DrawWidget(const Rect &r, WidgetID widget) const override
	{
		if (widget != WID_A_SCROLLING_TEXT) return;

		int y = this->text_position;

		/* Show all scrolling _credits */
		for (uint i = 0; i < lengthof(_credits); i++) {
			if (y >= r.top + 7 && y < r.bottom - this->line_height) {
				DrawString(r.left, r.right, y, _credits[i], TC_BLACK, SA_LEFT | SA_FORCE);
			}
			y += this->line_height;
		}
	}

	/**
	 * Scroll the text in the about window slow.
	 *
	 * The interval of 2100ms is chosen to maintain parity: 2100 / GetCharacterHeight(FS_NORMAL) = 150ms.
	 */
	IntervalTimer<TimerWindow> scroll_interval = {std::chrono::milliseconds(2100) / GetCharacterHeight(FS_NORMAL), [this](uint count) {
		this->text_position -= count;
		/* If the last text has scrolled start a new from the start */
		if (this->text_position < (int)(this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->pos_y - lengthof(_credits) * this->line_height)) {
			this->text_position = this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->pos_y + this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->current_y;
		}
		this->SetWidgetDirty(WID_A_SCROLLING_TEXT);
	}};
};

void ShowAboutWindow()
{
	CloseWindowByClass(WC_GAME_OPTIONS);
	new AboutWindow();
}

/**
 * Display estimated costs.
 * @param cost Estimated cost (or income if negative).
 * @param x    X position of the notification window.
 * @param y    Y position of the notification window.
 */
void ShowEstimatedCostOrIncome(Money cost, int x, int y)
{
	StringID msg = STR_MESSAGE_ESTIMATED_COST;

	if (cost < 0) {
		cost = -cost;
		msg = STR_MESSAGE_ESTIMATED_INCOME;
	}
	SetDParam(0, cost);
	ShowErrorMessage(msg, INVALID_STRING_ID, WL_INFO, x, y);
}

/**
 * Display animated income or costs on the map. Does nothing if cost is zero.
 * @param x    World X position of the animation location.
 * @param y    World Y position of the animation location.
 * @param z    World Z position of the animation location.
 * @param cost Estimated cost (or income if negative).
 */
void ShowCostOrIncomeAnimation(int x, int y, int z, Money cost)
{
	if (cost == 0) {
		return;
	}
	Point pt = RemapCoords(x, y, z);
	StringID msg = STR_INCOME_FLOAT_COST;

	if (cost < 0) {
		cost = -cost;
		msg = STR_INCOME_FLOAT_INCOME;
	}
	SetDParam(0, cost);
	AddTextEffect(msg, pt.x, pt.y, Ticks::DAY_TICKS, TE_RISING);
}

/**
 * Display animated feeder income.
 * @param x        World X position of the animation location.
 * @param y        World Y position of the animation location.
 * @param z        World Z position of the animation location.
 * @param transfer Estimated feeder income.
 * @param income   Real income from goods being delivered to their final destination.
 */
void ShowFeederIncomeAnimation(int x, int y, int z, Money transfer, Money income)
{
	Point pt = RemapCoords(x, y, z);

	SetDParam(0, transfer);
	if (income == 0) {
		AddTextEffect(STR_FEEDER, pt.x, pt.y, Ticks::DAY_TICKS, TE_RISING);
	} else {
		StringID msg = STR_FEEDER_COST;
		if (income < 0) {
			income = -income;
			msg = STR_FEEDER_INCOME;
		}
		SetDParam(1, income);
		AddTextEffect(msg, pt.x, pt.y, Ticks::DAY_TICKS, TE_RISING);
	}
}

/**
 * Display vehicle loading indicators.
 * @param x       World X position of the animation location.
 * @param y       World Y position of the animation location.
 * @param z       World Z position of the animation location.
 * @param percent Estimated feeder income.
 * @param string  String which is drawn on the map.
 * @return        TextEffectID to be used for future updates of the loading indicators.
 */
TextEffectID ShowFillingPercent(int x, int y, int z, uint8_t percent, StringID string)
{
	Point pt = RemapCoords(x, y, z);

	assert(string != STR_NULL);

	SetDParam(0, percent);
	return AddTextEffect(string, pt.x, pt.y, 0, TE_STATIC);
}

/**
 * Update vehicle loading indicators.
 * @param te_id   TextEffectID to be updated.
 * @param string  String which is printed.
 */
void UpdateFillingPercent(TextEffectID te_id, uint8_t percent, StringID string)
{
	assert(string != STR_NULL);

	SetDParam(0, percent);
	UpdateTextEffect(te_id, string);
}

/**
 * Hide vehicle loading indicators.
 * @param *te_id TextEffectID which is supposed to be hidden.
 */
void HideFillingPercent(TextEffectID *te_id)
{
	if (*te_id == INVALID_TE_ID) return;

	RemoveTextEffect(*te_id);
	*te_id = INVALID_TE_ID;
}

static constexpr NWidgetPart _nested_tooltips_widgets[] = {
	NWidget(WWT_EMPTY, INVALID_COLOUR, WID_TT_BACKGROUND),
};

static WindowDesc _tool_tips_desc(__FILE__, __LINE__,
	WDP_MANUAL, nullptr, 0, 0, // Coordinates and sizes are not used,
	WC_TOOLTIPS, WC_NONE,
	WDF_NO_FOCUS | WDF_NO_CLOSE,
	std::begin(_nested_tooltips_widgets), std::end(_nested_tooltips_widgets)
);

/** Window for displaying a tooltip. */
struct TooltipsWindow : public Window
{
	StringID string_id;               ///< String to display as tooltip.
	std::vector<StringParameterBackup> params; ///< The string parameters.
	TooltipCloseCondition close_cond; ///< Condition for closing the window.

	TooltipsWindow(Window *parent, StringID str, uint paramcount, TooltipCloseCondition close_tooltip) : Window(&_tool_tips_desc)
	{
		this->parent = parent;
		this->string_id = str;
		CopyOutDParam(this->params, paramcount);
		this->close_cond = close_tooltip;

		this->InitNested();

		CLRBITS(this->flags, WF_WHITE_BORDER);
	}

	Point OnInitialPosition([[maybe_unused]] int16_t sm_width, [[maybe_unused]] int16_t sm_height, [[maybe_unused]] int window_number) override
	{
		/* Find the free screen space between the main toolbar at the top, and the statusbar at the bottom.
		 * Add a fixed distance 2 so the tooltip floats free from both bars.
		 */
		int scr_top = GetMainViewTop() + 2;
		int scr_bot = GetMainViewBottom() - 2;

		Point pt;

		/* Correctly position the tooltip position, watch out for window and cursor size
		 * Clamp value to below main toolbar and above statusbar. If tooltip would
		 * go below window, flip it so it is shown above the cursor */
		pt.y = SoftClamp(_cursor.pos.y + _cursor.total_size.y + _cursor.total_offs.y + 5, scr_top, scr_bot);
		if (pt.y + sm_height > scr_bot) pt.y = std::min(_cursor.pos.y + _cursor.total_offs.y - 5, scr_bot) - sm_height;
		pt.x = sm_width >= _screen.width ? 0 : SoftClamp(_cursor.pos.x - (sm_width >> 1), 0, _screen.width - sm_width);

		return pt;
	}

	void UpdateWidgetSize(WidgetID widget, Dimension *size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension *fill, [[maybe_unused]] Dimension *resize) override
	{
		if (widget != WID_TT_BACKGROUND) return;
		CopyInDParam(this->params);

		size->width  = std::min<uint>(GetStringBoundingBox(this->string_id).width, ScaleGUITrad(194));
		size->height = GetStringHeight(this->string_id, size->width);

		/* Increase slightly to have some space around the box. */
		size->width  += WidgetDimensions::scaled.framerect.Horizontal()  + WidgetDimensions::scaled.fullbevel.Horizontal();
		size->height += WidgetDimensions::scaled.framerect.Vertical()    + WidgetDimensions::scaled.fullbevel.Vertical();
	}

	void DrawWidget(const Rect &r, WidgetID widget) const override
	{
		if (widget != WID_TT_BACKGROUND) return;
		GfxFillRect(r, PC_BLACK);
		GfxFillRect(r.Shrink(WidgetDimensions::scaled.bevel), PC_LIGHT_YELLOW);

		CopyInDParam(this->params);
		DrawStringMultiLine(r.Shrink(WidgetDimensions::scaled.framerect).Shrink(WidgetDimensions::scaled.fullbevel), this->string_id, TC_BLACK, SA_CENTER);
	}

	void OnMouseLoop() override
	{
		/* Always close tooltips when the cursor is not in our window. */
		if (!_cursor.in_window) {
			this->Close();
			return;
		}

		/* We can show tooltips while dragging tools. These are shown as long as
		 * we are dragging the tool. Normal tooltips work with hover or rmb. */
		switch (this->close_cond) {
			case TCC_RIGHT_CLICK: if (!_right_button_down) this->Close(); break;
			case TCC_HOVER: if (!_mouse_hovering) this->Close(); break;
			case TCC_NONE: break;

			case TCC_EXIT_VIEWPORT: {
				Window *w = FindWindowFromPt(_cursor.pos.x, _cursor.pos.y);
				if (w == nullptr || IsPtInWindowViewport(w, _cursor.pos.x, _cursor.pos.y) == nullptr) this->Close();
				break;
			}
		}
	}
};

/**
 * Shows a tooltip
 * @param parent The window this tooltip is related to.
 * @param str String to be displayed
 * @param close_tooltip the condition under which the tooltip closes
 * @param paramcount number of params to deal with
 */
void GuiShowTooltips(Window *parent, StringID str, TooltipCloseCondition close_tooltip, uint paramcount)
{
	CloseWindowById(WC_TOOLTIPS, 0);

	if (str == STR_NULL || !_cursor.in_window) return;

	new TooltipsWindow(parent, str, paramcount, close_tooltip);
}

void QueryString::HandleEditBox(Window *w, WidgetID wid)
{
	if (w->IsWidgetGloballyFocused(wid) && this->text.HandleCaret()) {
		w->SetWidgetDirty(wid);

		/* For the OSK also invalidate the parent window */
		if (w->window_class == WC_OSK) w->InvalidateData();
	}
}

static int GetCaretWidth()
{
	return GetCharacterWidth(FS_NORMAL, '_');
}

void QueryString::DrawEditBox(const Window *w, WidgetID wid) const
{
	const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);

	assert((wi->type & WWT_MASK) == WWT_EDITBOX);

	bool rtl = _current_text_dir == TD_RTL;
	Dimension sprite_size = GetScaledSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
	int clearbtn_width = sprite_size.width + WidgetDimensions::scaled.imgbtn.Horizontal();

	Rect r = wi->GetCurrentRect();
	Rect cr = r.WithWidth(clearbtn_width, !rtl);
	Rect fr = r.Indent(clearbtn_width, !rtl);

	DrawFrameRect(cr, wi->colour, wi->IsLowered() ? FR_LOWERED : FR_NONE);
	DrawSpriteIgnorePadding(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT, PAL_NONE, cr, SA_CENTER);
	if (this->text.bytes == 1) GfxFillRect(cr.Shrink(WidgetDimensions::scaled.bevel), _colour_gradient[wi->colour & 0xF][2], FILLRECT_CHECKER);

	DrawFrameRect(fr, wi->colour, FR_LOWERED | FR_DARKENED);
	GfxFillRect(fr.Shrink(WidgetDimensions::scaled.bevel), PC_BLACK);

	fr = fr.Shrink(WidgetDimensions::scaled.framerect);
	/* Limit the drawing of the string inside the widget boundaries */
	DrawPixelInfo dpi;
	if (!FillDrawPixelInfo(&dpi, fr)) return;

	AutoRestoreBackup dpi_backup(_cur_dpi, &dpi);

	/* We will take the current widget length as maximum width, with a small
	 * space reserved at the end for the caret to show */
	const Textbuf *tb = &this->text;
	int delta = std::min(0, (fr.right - fr.left) - tb->pixels - GetCaretWidth());

	if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;

	/* If we have a marked area, draw a background highlight. */
	if (tb->marklength != 0) GfxFillRect(delta + tb->markxoffs, 0, delta + tb->markxoffs + tb->marklength - 1, fr.bottom - fr.top, PC_GREY);

	DrawString(delta, tb->pixels, 0, tb->buf, TC_YELLOW);
	bool focussed = w->IsWidgetGloballyFocused(wid) || IsOSKOpenedFor(w, wid);
	if (focussed && tb->caret) {
		int caret_width = GetStringBoundingBox("_").width;
		DrawString(tb->caretxoffs + delta, tb->caretxoffs + delta + caret_width, 0, "_", TC_WHITE);
	}
}

/**
 * Get the current caret position.
 * @param w Window the edit box is in.
 * @param wid Widget index.
 * @return Top-left location of the caret, relative to the window.
 */
Point QueryString::GetCaretPosition(const Window *w, WidgetID wid) const
{
	const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);

	assert((wi->type & WWT_MASK) == WWT_EDITBOX);

	bool rtl = _current_text_dir == TD_RTL;
	Dimension sprite_size = GetScaledSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
	int clearbtn_width = sprite_size.width + WidgetDimensions::scaled.imgbtn.Horizontal();

	Rect r = wi->GetCurrentRect().Indent(clearbtn_width, !rtl).Shrink(WidgetDimensions::scaled.framerect);

	/* Clamp caret position to be inside out current width. */
	const Textbuf *tb = &this->text;
	int delta = std::min(0, (r.right - r.left) - tb->pixels - GetCaretWidth());
	if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;

	Point pt = {r.left + tb->caretxoffs + delta, r.top};
	return pt;
}

/**
 * Get the bounding rectangle for a range of the query string.
 * @param w Window the edit box is in.
 * @param wid Widget index.
 * @param from Start of the string range.
 * @param to End of the string range.
 * @return Rectangle encompassing the string range, relative to the window.
 */
Rect QueryString::GetBoundingRect(const Window *w, WidgetID wid, const char *from, const char *to) const
{
	const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);

	assert((wi->type & WWT_MASK) == WWT_EDITBOX);

	bool rtl = _current_text_dir == TD_RTL;
	Dimension sprite_size = GetScaledSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
	int clearbtn_width = sprite_size.width + WidgetDimensions::scaled.imgbtn.Horizontal();

	Rect r = wi->GetCurrentRect().Indent(clearbtn_width, !rtl).Shrink(WidgetDimensions::scaled.framerect);

	/* Clamp caret position to be inside our current width. */
	const Textbuf *tb = &this->text;
	int delta = std::min(0, r.Width() - tb->pixels - GetCaretWidth());
	if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;

	/* Get location of first and last character. */
	Point p1 = GetCharPosInString(tb->buf, from, FS_NORMAL);
	Point p2 = from != to ? GetCharPosInString(tb->buf, to, FS_NORMAL) : p1;

	return { Clamp(r.left + p1.x + delta, r.left, r.right), r.top, Clamp(r.left + p2.x + delta, r.left, r.right), r.bottom };
}

/**
 * Get the character that is rendered at a position.
 * @param w Window the edit box is in.
 * @param wid Widget index.
 * @param pt Position to test.
 * @return Index of the character position or -1 if no character is at the position.
 */
ptrdiff_t QueryString::GetCharAtPosition(const Window *w, WidgetID wid, const Point &pt) const
{
	const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);

	assert((wi->type & WWT_MASK) == WWT_EDITBOX);

	bool rtl = _current_text_dir == TD_RTL;
	Dimension sprite_size = GetScaledSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
	int clearbtn_width = sprite_size.width + WidgetDimensions::scaled.imgbtn.Horizontal();

	Rect r = wi->GetCurrentRect().Indent(clearbtn_width, !rtl).Shrink(WidgetDimensions::scaled.framerect);

	if (!IsInsideMM(pt.y, r.top, r.bottom)) return -1;

	/* Clamp caret position to be inside our current width. */
	const Textbuf *tb = &this->text;
	int delta = std::min(0, r.Width() - tb->pixels - GetCaretWidth());
	if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;

	return ::GetCharAtPosition(tb->buf, pt.x - delta - r.left);
}

void QueryString::ClickEditBox(Window *w, Point pt, WidgetID wid, int click_count, bool focus_changed)
{
	const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);

	assert((wi->type & WWT_MASK) == WWT_EDITBOX);

	bool rtl = _current_text_dir == TD_RTL;
	Dimension sprite_size = GetScaledSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
	int clearbtn_width = sprite_size.width + WidgetDimensions::scaled.imgbtn.Horizontal();

	Rect cr = wi->GetCurrentRect().WithWidth(clearbtn_width, !rtl);

	if (IsInsideMM(pt.x, cr.left, cr.right)) {
		if (this->text.bytes > 1) {
			this->text.DeleteAll();
			w->HandleButtonClick(wid);
			w->OnEditboxChanged(wid);
		}
		return;
	}

	if (w->window_class != WC_OSK && _settings_client.gui.osk_activation != OSKA_DISABLED &&
		(!focus_changed || _settings_client.gui.osk_activation == OSKA_IMMEDIATELY) &&
		(click_count == 2 || _settings_client.gui.osk_activation != OSKA_DOUBLE_CLICK)) {
		/* Open the OSK window */
		ShowOnScreenKeyboard(w, wid);
	}
}

/** Class for the string query window. */
struct QueryStringWindow : public Window
{
	QueryString editbox;    ///< Editbox.
	QueryStringFlags flags; ///< Flags controlling behaviour of the window.
	Dimension warning_size; ///< How much space to use for the warning text

	QueryStringWindow(StringID str, StringID caption, uint max_bytes, uint max_chars, WindowDesc *desc, Window *parent, CharSetFilter afilter, QueryStringFlags flags) :
			Window(desc), editbox(max_bytes, max_chars)
	{
		this->editbox.text.Assign(str);

		if ((flags & QSF_ACCEPT_UNCHANGED) == 0) this->editbox.orig = this->editbox.text.buf;

		this->querystrings[WID_QS_TEXT] = &this->editbox;
		this->editbox.caption = caption;
		this->editbox.cancel_button = WID_QS_CANCEL;
		this->editbox.ok_button = WID_QS_OK;
		this->editbox.text.afilter = afilter;
		this->flags = flags;

		this->InitNested(WN_QUERY_STRING);
		this->UpdateWarningStringSize();

		this->parent = parent;

		this->SetFocusedWidget(WID_QS_TEXT);
	}

	void UpdateWarningStringSize()
	{
		if (this->flags & QSF_PASSWORD) {
			assert(this->nested_root->smallest_x > 0);
			this->warning_size.width = this->nested_root->current_x - WidgetDimensions::scaled.frametext.Horizontal() - WidgetDimensions::scaled.framerect.Horizontal();
			this->warning_size.height = GetStringHeight(STR_WARNING_PASSWORD_SECURITY, this->warning_size.width);
			this->warning_size.height += WidgetDimensions::scaled.frametext.Vertical() + WidgetDimensions::scaled.framerect.Vertical();
		} else {
			this->warning_size = Dimension{ 0, 0 };
		}

		this->ReInit();
	}

	void UpdateWidgetSize(WidgetID widget, Dimension *size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension *fill, [[maybe_unused]] Dimension *resize) override
	{
		if (widget == WID_QS_DEFAULT && (this->flags & QSF_ENABLE_DEFAULT) == 0) {
			/* We don't want this widget to show! */
			fill->width = 0;
			resize->width = 0;
			size->width = 0;
		}

		if (widget == WID_QS_WARNING) {
			*size = this->warning_size;
		}
	}

	void DrawWidget(const Rect &r, WidgetID widget) const override
	{
		if (widget != WID_QS_WARNING) return;

		if (this->flags & QSF_PASSWORD) {
			DrawStringMultiLine(r.Shrink(WidgetDimensions::scaled.framerect).Shrink(WidgetDimensions::scaled.frametext),
				STR_WARNING_PASSWORD_SECURITY, TC_FROMSTRING, SA_CENTER);
		}
	}

	void SetStringParameters(WidgetID widget) const override
	{
		if (widget == WID_QS_CAPTION) SetDParam(0, this->editbox.caption);
	}

	void OnOk()
	{
		if (!this->editbox.orig.has_value() || this->editbox.text.buf != this->editbox.orig) {
			assert(this->parent != nullptr);

			this->parent->OnQueryTextFinished(this->editbox.text.buf);
			this->editbox.handled = true;
		}
	}

	void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
	{
		switch (widget) {
			case WID_QS_DEFAULT:
				this->editbox.text.DeleteAll();
				FALLTHROUGH;

			case WID_QS_OK:
				this->OnOk();
				FALLTHROUGH;

			case WID_QS_CANCEL:
				this->Close();
				break;
		}
	}

	void Close([[maybe_unused]] int data = 0) override
	{
		if (!this->editbox.handled && this->parent != nullptr) {
			Window *parent = this->parent;
			this->parent = nullptr; // so parent doesn't try to close us again
			parent->OnQueryTextFinished(nullptr);
		}
		this->Window::Close();
	}
};

static constexpr NWidgetPart _nested_query_string_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_GREY),
		NWidget(WWT_CAPTION, COLOUR_GREY, WID_QS_CAPTION), SetDataTip(STR_JUST_STRING, STR_NULL), SetTextStyle(TC_WHITE),
	EndContainer(),
	NWidget(WWT_PANEL, COLOUR_GREY),
		NWidget(WWT_EDITBOX, COLOUR_GREY, WID_QS_TEXT), SetMinimalSize(256, 12), SetFill(1, 1), SetPadding(2, 2, 2, 2),
	EndContainer(),
	NWidget(WWT_PANEL, COLOUR_GREY, WID_QS_WARNING), EndContainer(),
	NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
		NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_QS_DEFAULT), SetMinimalSize(87, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_DEFAULT, STR_NULL),
		NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_QS_CANCEL), SetMinimalSize(86, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_CANCEL, STR_NULL),
		NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_QS_OK), SetMinimalSize(87, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_OK, STR_NULL),
	EndContainer(),
};

static WindowDesc _query_string_desc(__FILE__, __LINE__,
	WDP_CENTER, nullptr, 0, 0,
	WC_QUERY_STRING, WC_NONE,
	0,
	std::begin(_nested_query_string_widgets), std::end(_nested_query_string_widgets)
);

/**
 * Show a query popup window with a textbox in it.
 * @param str StringID for the text shown in the textbox
 * @param caption StringID of text shown in caption of querywindow
 * @param maxsize maximum size in bytes or characters (including terminating '\0') depending on flags
 * @param parent pointer to a Window that will handle the events (ok/cancel) of this window.
 * @param afilter filters out unwanted character input
 * @param flags various flags, @see QueryStringFlags
 */
void ShowQueryString(StringID str, StringID caption, uint maxsize, Window *parent, CharSetFilter afilter, QueryStringFlags flags)
{
	assert(parent != nullptr);

	CloseWindowByClass(WC_QUERY_STRING);
	new QueryStringWindow(str, caption, ((flags & QSF_LEN_IN_CHARS) ? MAX_CHAR_LENGTH : 1) * maxsize, maxsize, &_query_string_desc, parent, afilter, flags);
}

/**
 * Window used for asking the user a YES/NO question.
 */
struct QueryWindow : public Window {
	QueryCallbackProc *proc; ///< callback function executed on closing of popup. Window* points to parent, bool is true if 'yes' clicked, false otherwise
	std::vector<StringParameterBackup> params; ///< local copy of #_global_string_params
	StringID message;        ///< message shown for query window

	QueryWindow(WindowDesc *desc, StringID caption, StringID message, Window *parent, QueryCallbackProc *callback) : Window(desc)
	{
		/* Create a backup of the variadic arguments to strings because it will be
		 * overridden pretty often. We will copy these back for drawing */
		CopyOutDParam(this->params, 10);
		this->message = message;
		this->proc    = callback;
		this->parent  = parent;

		this->CreateNestedTree();
		this->GetWidget<NWidgetCore>(WID_Q_CAPTION)->SetDataTip(caption, STR_NULL);
		this->FinishInitNested(WN_CONFIRM_POPUP_QUERY);
	}

	void Close([[maybe_unused]] int data = 0) override
	{
		if (this->proc != nullptr) this->proc(this->parent, false);
		this->Window::Close();
	}

	void FindWindowPlacementAndResize([[maybe_unused]] int def_width, [[maybe_unused]] int def_height) override
	{
		/* Position query window over the calling window, ensuring it's within screen bounds. */
		this->left = SoftClamp(parent->left + (parent->width / 2) - (this->width / 2), 0, _screen.width - this->width);
		this->top = SoftClamp(parent->top + (parent->height / 2) - (this->height / 2), 0, _screen.height - this->height);
		this->SetDirty();
	}

	void SetStringParameters(WidgetID widget) const override
	{
		switch (widget) {
			case WID_Q_CAPTION:
			case WID_Q_TEXT:
				CopyInDParam(this->params);
				break;
		}
	}

	void UpdateWidgetSize(WidgetID widget, Dimension *size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension *fill, [[maybe_unused]] Dimension *resize) override
	{
		if (widget != WID_Q_TEXT) return;

		*size = GetStringMultiLineBoundingBox(this->message, *size);
	}

	void DrawWidget(const Rect &r, WidgetID widget) const override
	{
		if (widget != WID_Q_TEXT) return;

		DrawStringMultiLine(r, this->message, TC_FROMSTRING, SA_CENTER);
	}

	void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
	{
		switch (widget) {
			case WID_Q_YES: {
				/* in the Generate New World window, clicking 'Yes' causes
				 * CloseNonVitalWindows() to be called - we shouldn't be in a window then */
				QueryCallbackProc *proc = this->proc;
				Window *parent = this->parent;
				/* Prevent the destructor calling the callback function */
				this->proc = nullptr;
				this->Close();
				if (proc != nullptr) {
					proc(parent, true);
					proc = nullptr;
				}
				break;
			}
			case WID_Q_NO:
				this->Close();
				break;
		}
	}

	EventState OnKeyPress([[maybe_unused]] char32_t key, uint16_t keycode) override
	{
		/* ESC closes the window, Enter confirms the action */
		switch (keycode) {
			case WKC_RETURN:
			case WKC_NUM_ENTER:
				if (this->proc != nullptr) {
					this->proc(this->parent, true);
					this->proc = nullptr;
				}
				FALLTHROUGH;

			case WKC_ESC:
				this->Close();
				return ES_HANDLED;
		}
		return ES_NOT_HANDLED;
	}
};

static constexpr NWidgetPart _nested_query_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_RED),
		NWidget(WWT_CAPTION, COLOUR_RED, WID_Q_CAPTION), // The caption's string is set in the constructor
	EndContainer(),
	NWidget(WWT_PANEL, COLOUR_RED),
		NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_wide, 0), SetPadding(WidgetDimensions::unscaled.modalpopup),
			NWidget(WWT_TEXT, COLOUR_RED, WID_Q_TEXT), SetMinimalSize(200, 12),
			NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(WidgetDimensions::unscaled.hsep_indent, WidgetDimensions::unscaled.hsep_indent, WidgetDimensions::unscaled.hsep_indent),
				NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_Q_NO), SetMinimalSize(71, 12), SetFill(1, 1), SetDataTip(STR_QUIT_NO, STR_NULL),
				NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_Q_YES), SetMinimalSize(71, 12), SetFill(1, 1), SetDataTip(STR_QUIT_YES, STR_NULL),
			EndContainer(),
		EndContainer(),
	EndContainer(),
};

static WindowDesc _query_desc(__FILE__, __LINE__,
	WDP_CENTER, nullptr, 0, 0,
	WC_CONFIRM_POPUP_QUERY, WC_NONE,
	WDF_MODAL,
	std::begin(_nested_query_widgets), std::end(_nested_query_widgets)
);

/**
 * Show a confirmation window with standard 'yes' and 'no' buttons
 * The window is aligned to the centre of its parent.
 * @param caption string shown as window caption
 * @param message string that will be shown for the window
 * @param parent pointer to parent window, if this pointer is nullptr the parent becomes
 * the main window WC_MAIN_WINDOW
 * @param callback callback function pointer to set in the window descriptor
 * @param focus whether the window should be focussed (by default false)
 */
void ShowQuery(StringID caption, StringID message, Window *parent, QueryCallbackProc *callback, bool focus)
{
	if (parent == nullptr) parent = GetMainWindow();

	for (Window *w : Window::Iterate()) {
		if (w->window_class != WC_CONFIRM_POPUP_QUERY) continue;

		QueryWindow *qw = dynamic_cast<QueryWindow *>(w);
		if (qw->parent != parent || qw->proc != callback) continue;

		qw->Close();
		break;
	}

	QueryWindow *q = new QueryWindow(&_query_desc, caption, message, parent, callback);
	if (focus) SetFocusedWindow(q);
}