summaryrefslogtreecommitdiff
path: root/src/town_gui.cpp
blob: 1a090f10e462653ee73ac3238689ffb4e4452240 (plain)
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
/* $Id$ */

/*
 * 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 town_gui.cpp GUI for towns. */

#include "stdafx.h"
#include "openttd.h"
#include "town.h"
#include "viewport_func.h"
#include "gfx_func.h"
#include "gui.h"
#include "window_gui.h"
#include "textbuf_gui.h"
#include "command_func.h"
#include "company_func.h"
#include "company_base.h"
#include "company_gui.h"
#include "network/network.h"
#include "variables.h"
#include "strings_func.h"
#include "sound_func.h"
#include "economy_func.h"
#include "tilehighlight_func.h"
#include "sortlist_type.h"
#include "road_cmd.h"
#include "landscape_type.h"
#include "landscape.h"
#include "cargotype.h"
#include "tile_map.h"

#include "table/sprites.h"
#include "table/strings.h"

typedef GUIList<const Town*> GUITownList;

/** Widget numbers of the town authority window. */
enum TownAuthorityWidgets {
	TWA_CLOSEBOX,
	TWA_CAPTION,
	TWA_RATING_INFO,
	TWA_COMMAND_LIST,
	TWA_SCROLLBAR,
	TWA_ACTION_INFO,
	TWA_EXECUTE,
};

static const Widget _town_authority_widgets[] = {
{   WWT_CLOSEBOX,   RESIZE_NONE,  COLOUR_BROWN,     0,    10,     0,    13, STR_BLACK_CROSS,             STR_TOOLTIP_CLOSE_WINDOW},               // TWA_CLOSEBOX
{    WWT_CAPTION,   RESIZE_NONE,  COLOUR_BROWN,    11,   316,     0,    13, STR_LOCAL_AUTHORITY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS},     // TWA_CAPTION
{      WWT_PANEL,   RESIZE_NONE,  COLOUR_BROWN,     0,   316,    14,   105, 0x0,                         STR_NULL},                               // TWA_RATING_INFO
{      WWT_PANEL,   RESIZE_NONE,  COLOUR_BROWN,     0,   304,   106,   157, 0x0,                         STR_LOCAL_AUTHORITY_ACTIONS_TOOLTIP},    // TWA_COMMAND_LIST
{  WWT_SCROLLBAR,   RESIZE_NONE,  COLOUR_BROWN,   305,   316,   106,   157, 0x0,                         STR_TOOLTIP_VSCROLL_BAR_SCROLLS_LIST},   // TWA_SCROLLBAR
{      WWT_PANEL,   RESIZE_NONE,  COLOUR_BROWN,     0,   316,   158,   209, 0x0,                         STR_NULL},                               // TWA_ACTION_INFO
{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_BROWN,     0,   316,   210,   221, STR_LOCAL_AUTHORITY_DO_IT_BUTTON, STR_LOCAL_AUTHORITY_DO_IT_TOOLTIP}, // TWA_EXECUTE
{   WIDGETS_END},
};

static const NWidgetPart _nested_town_authority_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_BROWN, TWA_CLOSEBOX),
		NWidget(WWT_CAPTION, COLOUR_BROWN, TWA_CAPTION), SetDataTip(STR_LOCAL_AUTHORITY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
	EndContainer(),
	NWidget(WWT_PANEL, COLOUR_BROWN, TWA_RATING_INFO), SetMinimalSize(317, 92), EndContainer(),
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_PANEL, COLOUR_BROWN, TWA_COMMAND_LIST), SetMinimalSize(305, 52), SetDataTip(0x0, STR_LOCAL_AUTHORITY_ACTIONS_TOOLTIP), EndContainer(),
		NWidget(WWT_SCROLLBAR, COLOUR_BROWN, TWA_SCROLLBAR),
	EndContainer(),
	NWidget(WWT_PANEL, COLOUR_BROWN, TWA_ACTION_INFO), SetMinimalSize(317, 52), EndContainer(),
	NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, TWA_EXECUTE),  SetMinimalSize(317, 12), SetDataTip(STR_LOCAL_AUTHORITY_DO_IT_BUTTON, STR_LOCAL_AUTHORITY_DO_IT_TOOLTIP),
};

extern const byte _town_action_costs[8];

struct TownAuthorityWindow : Window {
private:
	Town *town;
	int sel_index;

	/**
	 * Get the position of the Nth set bit.
	 *
	 * If there is no Nth bit set return -1
	 *
	 * @param bits The value to search in
	 * @param n The Nth set bit from which we want to know the position
	 * @return The position of the Nth set bit
	 */
	static int GetNthSetBit(uint32 bits, int n)
	{
		if (n >= 0) {
			uint i;
			FOR_EACH_SET_BIT(i, bits) {
				n--;
				if (n < 0) return i;
			}
		}
		return -1;
	}

public:
	TownAuthorityWindow(const WindowDesc *desc, WindowNumber window_number) :
			Window(desc, window_number), sel_index(-1)
	{
		this->town = Town::Get(this->window_number);
		this->vscroll.SetCapacity(5);

		this->FindWindowPlacementAndResize(desc);
	}

	virtual void OnPaint()
	{
		int numact;
		uint buttons = GetMaskOfTownActions(&numact, _local_company, this->town);

		this->vscroll.SetCount(numact + 1);

		if (this->sel_index != -1 && !HasBit(buttons, this->sel_index)) {
			this->sel_index = -1;
		}

		this->SetWidgetDisabledState(6, this->sel_index == -1);

		SetDParam(0, this->window_number);
		this->DrawWidgets();

		int y = this->widget[TWA_RATING_INFO].top + 1;

		DrawString(this->widget[TWA_RATING_INFO].left + 2, this->widget[TWA_RATING_INFO].right - 2, y, STR_LOCAL_AUTHORITY_COMPANY_RATINGS);
		y += 10;

		/* Draw list of companies */
		const Company *c;
		FOR_ALL_COMPANIES(c) {
			if ((HasBit(this->town->have_ratings, c->index) || this->town->exclusivity == c->index)) {
				DrawCompanyIcon(c->index, 2, y);

				SetDParam(0, c->index);
				SetDParam(1, c->index);

				int r = this->town->ratings[c->index];
				StringID str;
				(str = STR_CARGO_RATING_APPALLING, r <= RATING_APPALLING) || // Apalling
				(str++,                    r <= RATING_VERYPOOR)  || // Very Poor
				(str++,                    r <= RATING_POOR)      || // Poor
				(str++,                    r <= RATING_MEDIOCRE)  || // Mediocore
				(str++,                    r <= RATING_GOOD)      || // Good
				(str++,                    r <= RATING_VERYGOOD)  || // Very Good
				(str++,                    r <= RATING_EXCELLENT) || // Excellent
				(str++,                    true);                    // Outstanding

				SetDParam(2, str);
				if (this->town->exclusivity == c->index) { // red icon for company with exclusive rights
					DrawSprite(SPR_BLOT, PALETTE_TO_RED, 18, y);
				}

				DrawString(this->widget[TWA_RATING_INFO].left + 28, this->widget[TWA_RATING_INFO].right - 2, y, STR_LOCAL_AUTHORITY_COMPANY_RATING);
				y += 10;
			}
		}

		if (y > this->widget[TWA_RATING_INFO].bottom) {
			/* If the company list is too big to fit, mark ourself dirty and draw again. */
			ResizeWindowForWidget(this, TWA_RATING_INFO, 0, y - this->widget[TWA_RATING_INFO].bottom);
			this->SetDirty();
			return;
		}

		y = this->widget[TWA_COMMAND_LIST].top + 1;
		int pos = this->vscroll.GetPosition();

		if (--pos < 0) {
			DrawString(this->widget[TWA_COMMAND_LIST].left + 2, this->widget[TWA_COMMAND_LIST].right - 2, y, STR_LOCAL_AUTHORITY_ACTIONS_TITLE);
			y += 10;
		}

		for (int i = 0; buttons; i++, buttons >>= 1) {
			if (pos <= -5) break; ///< Draw only the 5 fitting lines

			if ((buttons & 1) && --pos < 0) {
				DrawString(this->widget[TWA_COMMAND_LIST].left + 3, this->widget[TWA_COMMAND_LIST].right - 2, y, STR_LOCAL_AUTHORITY_ACTION_SMALL_ADVERTISING_CAMPAIGN + i, TC_ORANGE);
				y += 10;
			}
		}

		if (this->sel_index != -1) {
			SetDParam(1, (_price.build_industry >> 8) * _town_action_costs[this->sel_index]);
			SetDParam(0, STR_LOCAL_AUTHORITY_ACTION_SMALL_ADVERTISING_CAMPAIGN + this->sel_index);
			DrawStringMultiLine(this->widget[TWA_ACTION_INFO].left + 2, this->widget[TWA_ACTION_INFO].right - 2, this->widget[TWA_ACTION_INFO].top + 1, this->widget[TWA_ACTION_INFO].bottom - 1, STR_LOCAL_AUTHORITY_ACTION_TOOLTIP_SMALL_ADVERTISING + this->sel_index);
		}
	}

	virtual void OnDoubleClick(Point pt, int widget) { HandleClick(pt, widget, true); }
	virtual void OnClick(Point pt, int widget) { HandleClick(pt, widget, false); }

	void HandleClick(Point pt, int widget, bool double_click)
	{
		switch (widget) {
			case TWA_COMMAND_LIST: {
				int y = (pt.y - this->widget[TWA_COMMAND_LIST].top - 1) / 10;

				if (!IsInsideMM(y, 0, 5)) return;

				y = GetNthSetBit(GetMaskOfTownActions(NULL, _local_company, this->town), y + this->vscroll.GetPosition() - 1);
				if (y >= 0) {
					this->sel_index = y;
					this->SetDirty();
				}
				/* Fall through to clicking in case we are double-clicked */
				if (!double_click || y < 0) break;
			}

			case TWA_EXECUTE:
				DoCommandP(this->town->xy, this->window_number, this->sel_index, CMD_DO_TOWN_ACTION | CMD_MSG(STR_ERROR_CAN_T_DO_THIS));
				break;
		}
	}

	virtual void OnHundredthTick()
	{
		this->SetDirty();
	}
};

static const WindowDesc _town_authority_desc(
	WDP_AUTO, WDP_AUTO, 317, 222, 317, 222,
	WC_TOWN_AUTHORITY, WC_NONE,
	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,
	_town_authority_widgets, _nested_town_authority_widgets, lengthof(_nested_town_authority_widgets)
);

static void ShowTownAuthorityWindow(uint town)
{
	AllocateWindowDescFront<TownAuthorityWindow>(&_town_authority_desc, town);
}

/** Widget numbers of the town view window. */
enum TownViewWidgets {
	TVW_CLOSEBOX,
	TVW_CAPTION,
	TVW_STICKY,
	TVW_VIEWPORTPANEL,
	TVW_VIEWPORTINSET,
	TVW_INFOPANEL,
	TVW_CENTERVIEW,
	TVW_SHOWAUTHORITY,
	TVW_CHANGENAME,
	TVW_EXPAND,
	TVW_DELETE,
};

struct TownViewWindow : Window {
private:
	Town *town;

public:
	enum {
		TVW_HEIGHT_NORMAL = 150,
	};

	TownViewWindow(const WindowDesc *desc, WindowNumber window_number) : Window(desc, window_number)
	{
		this->town = Town::Get(this->window_number);
		bool ingame = _game_mode != GM_EDITOR;

		this->flags4 |= WF_DISABLE_VP_SCROLL;
		int width = this->widget[TVW_VIEWPORTINSET].right - this->widget[TVW_VIEWPORTINSET].left - 1;
		int height = this->widget[TVW_VIEWPORTINSET].bottom - this->widget[TVW_VIEWPORTINSET].top - 1;
		InitializeWindowViewport(this, this->widget[TVW_VIEWPORTINSET].left + 1, this->widget[TVW_VIEWPORTINSET].top + 1, width, height, this->town->xy, ZOOM_LVL_TOWN);

		if (this->town->larger_town) this->widget[TVW_CAPTION].data = STR_TOWN_VIEW_CITY_CAPTION;

		if (ingame) {
			/* Hide the expand button, and put the authority button over it. */
			this->HideWidget(TVW_EXPAND);
			this->widget[TVW_SHOWAUTHORITY].right = this->widget[TVW_EXPAND].right;
			/* Resize caption bar */
			this->widget[TVW_CAPTION].right = this->widget[TVW_STICKY].left -1;
			/* Hide the delete button, and move the rename button from top on scenario to bottom in game. */
			this->HideWidget(TVW_DELETE);
			this->widget[TVW_CHANGENAME].top = this->widget[TVW_EXPAND].top;
			this->widget[TVW_CHANGENAME].bottom = this->widget[TVW_EXPAND].bottom;
			this->widget[TVW_CHANGENAME].right = this->widget[TVW_STICKY].right;
		} else {
			/* Hide the authority button, and put the expand button over it. */
			this->HideWidget(TVW_SHOWAUTHORITY);
			this->widget[TVW_EXPAND].left = this->widget[TVW_SHOWAUTHORITY].left;
		}

		this->ResizeWindowAsNeeded();

		this->FindWindowPlacementAndResize(desc);
	}

	virtual void OnPaint()
	{
		/* disable renaming town in network games if you are not the server */
		this->SetWidgetDisabledState(TVW_CHANGENAME, _networking && !_network_server);

		SetDParam(0, this->town->index);
		this->DrawWidgets();

		uint y = 107;

		SetDParam(0, this->town->population);
		SetDParam(1, this->town->num_houses);
		DrawString(2, this->width - 2, y, STR_TOWN_VIEW_POPULATION_HOUSES);

		SetDParam(0, this->town->act_pass);
		SetDParam(1, this->town->max_pass);
		DrawString(2, this->width - 2, y += 10, STR_TOWN_VIEW_PASSENGERS_LAST_MONTH_MAX);

		SetDParam(0, this->town->act_mail);
		SetDParam(1, this->town->max_mail);
		DrawString(2, this->width - 2, y += 10, STR_TOWN_VIEW_MAIL_LAST_MONTH_MAX);

		uint cargo_needed_for_growth = 0;
		switch (_settings_game.game_creation.landscape) {
			case LT_ARCTIC:
				if (TilePixelHeight(this->town->xy) >= LowestSnowLine()) cargo_needed_for_growth = 1;
				break;

			case LT_TROPIC:
				if (GetTropicZone(this->town->xy) == TROPICZONE_DESERT) cargo_needed_for_growth = 2;
				break;

			default: break;
		}

		if (cargo_needed_for_growth > 0) {
			DrawString(2, this->width - 2, y += 10, STR_TOWN_VIEW_CARGO_FOR_TOWNGROWTH);

			CargoID first_food_cargo = CT_INVALID;
			StringID food_name = STR_CARGO_PLURAL_FOOD;
			CargoID first_water_cargo = CT_INVALID;
			StringID water_name = STR_CARGO_PLURAL_WATER;
			for (CargoID cid = 0; cid < NUM_CARGO; cid++) {
				const CargoSpec *cs = CargoSpec::Get(cid);
				if (first_food_cargo == CT_INVALID && cs->town_effect == TE_FOOD) {
					first_food_cargo = cid;
					food_name = cs->name;
				}
				if (first_water_cargo == CT_INVALID && cs->town_effect == TE_WATER) {
					first_water_cargo = cid;
					water_name = cs->name;
				}
			}

			if (first_food_cargo != CT_INVALID && this->town->act_food > 0) {
				SetDParam(0, first_food_cargo);
				SetDParam(1, this->town->act_food);
				DrawString(2, this->width - 2, y += 10, STR_TOWN_VIEW_CARGO_FOR_TOWNGROWTH_LAST_MONTH);
			} else {
				SetDParam(0, food_name);
				DrawString(2, this->width - 2, y += 10, STR_TOWN_VIEW_CARGO_FOR_TOWNGROWTH_REQUIRED);
			}

			if (cargo_needed_for_growth > 1) {
				if (first_water_cargo != CT_INVALID && this->town->act_water > 0) {
					SetDParam(0, first_water_cargo);
					SetDParam(1, this->town->act_water);
					DrawString(2, this->width - 2, y += 10, STR_TOWN_VIEW_CARGO_FOR_TOWNGROWTH_LAST_MONTH);
				} else {
					SetDParam(0, water_name);
					DrawString(2, this->width - 2, y += 10, STR_TOWN_VIEW_CARGO_FOR_TOWNGROWTH_REQUIRED);
				}
			}
		}

		this->DrawViewport();

		/* only show the town noise, if the noise option is activated. */
		if (_settings_game.economy.station_noise_level) {
			SetDParam(0, this->town->noise_reached);
			SetDParam(1, this->town->MaxTownNoise());
			DrawString(2, this->width - 2, y += 10, STR_TOWN_VIEW_NOISE_IN_TOWN);
		}
	}

	virtual void OnClick(Point pt, int widget)
	{
		switch (widget) {
			case TVW_CENTERVIEW: // scroll to location
				if (_ctrl_pressed) {
					ShowExtraViewPortWindow(this->town->xy);
				} else {
					ScrollMainWindowToTile(this->town->xy);
				}
				break;

			case TVW_SHOWAUTHORITY: // town authority
				ShowTownAuthorityWindow(this->window_number);
				break;

			case TVW_CHANGENAME: // rename
				SetDParam(0, this->window_number);
				ShowQueryString(STR_TOWN_NAME, STR_TOWN_VIEW_RENAME_TOWN_BUTTON, MAX_LENGTH_TOWN_NAME_BYTES, MAX_LENGTH_TOWN_NAME_PIXELS, this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT);
				break;

			case TVW_EXPAND: // expand town - only available on Scenario editor
				ExpandTown(this->town);
				break;

			case TVW_DELETE: // delete town - only available on Scenario editor
				delete this->town;
				break;
		}
	}

	void ResizeWindowAsNeeded()
	{
		int aimed_height = TVW_HEIGHT_NORMAL;

		switch (_settings_game.game_creation.landscape) {
			case LT_ARCTIC:
				if (TilePixelHeight(this->town->xy) >= LowestSnowLine()) aimed_height += 20;
				break;

			case LT_TROPIC:
				if (GetTropicZone(this->town->xy) == TROPICZONE_DESERT) aimed_height += 30;
				break;

			default: break;
		}

		if (_settings_game.economy.station_noise_level) aimed_height += 10;

		if (this->height != aimed_height) ResizeWindowForWidget(this, TVW_INFOPANEL, 0, aimed_height - this->height);
	}

	virtual void OnInvalidateData(int data = 0)
	{
		/* Called when setting station noise have changed, in order to resize the window */
		this->SetDirty(); // refresh display for current size. This will allow to avoid glitches when downgrading
		this->ResizeWindowAsNeeded();
	}

	virtual void OnQueryTextFinished(char *str)
	{
		if (str == NULL) return;

		DoCommandP(0, this->window_number, 0, CMD_RENAME_TOWN | CMD_MSG(STR_ERROR_CAN_T_RENAME_TOWN), NULL, str);
	}
};


static const Widget _town_view_widgets[] = {
{   WWT_CLOSEBOX,   RESIZE_NONE,  COLOUR_BROWN,     0,    10,     0,    13, STR_BLACK_CROSS,                      STR_TOOLTIP_CLOSE_WINDOW},              // TVW_CLOSEBOX
{    WWT_CAPTION,   RESIZE_NONE,  COLOUR_BROWN,    11,   171,     0,    13, STR_TOWN_VIEW_TOWN_CAPTION,           STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS},    // TVW_CAPTION
{  WWT_STICKYBOX,   RESIZE_NONE,  COLOUR_BROWN,   248,   259,     0,    13, 0x0,                                  STR_TOOLTIP_STICKY},                     // TVW_STICKY
{      WWT_PANEL,   RESIZE_NONE,  COLOUR_BROWN,     0,   259,    14,   105, 0x0,                                  STR_NULL},                              // TVW_VIEWPORTPANEL
{      WWT_INSET,   RESIZE_NONE,  COLOUR_BROWN,     2,   257,    16,   103, 0x0,                                  STR_NULL},                              // TVW_VIEWPORTINSET
{      WWT_PANEL,   RESIZE_NONE,  COLOUR_BROWN,     0,   259,   106,   137, 0x0,                                  STR_NULL},                              // TVW_INFOPANEL
{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_BROWN,     0,    85,   138,   149, STR_BUTTON_LOCATION,                  STR_TOWN_VIEW_CENTER_TOOLTIP},          // TVW_CENTERVIEW
{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_BROWN,    86,   127,   138,   149, STR_TOWN_VIEW_LOCAL_AUTHORITY_BUTTON, STR_TOWN_VIEW_LOCAL_AUTHORITY_TOOLTIP}, // TVW_SHOWAUTHORITY
{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_BROWN,   172,   247,     0,    13, STR_BUTTON_RENAME,                    STR_TOWN_VIEW_RENAME_TOOLTIP},          // TVW_CHANGENAME
{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_BROWN,   128,   171,   138,   149, STR_TOWN_VIEW_EXPAND_BUTTON,          STR_TOWN_VIEW_EXPAND_TOOLTIP},          // TVW_EXPAND
{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_BROWN,   172,   259,   138,   149, STR_TOWN_VIEW_DELETE_BUTTON,          STR_TOWN_VIEW_DELETE_TOOLTIP},          // TVW_DELETE
{   WIDGETS_END},
};

static const NWidgetPart _nested_town_view_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_BROWN, TVW_CLOSEBOX),
		NWidget(WWT_CAPTION, COLOUR_BROWN, TVW_CAPTION), SetDataTip(STR_TOWN_VIEW_TOWN_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
		NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, TVW_CHANGENAME), SetMinimalSize(76, 14), SetDataTip(STR_BUTTON_RENAME, STR_TOWN_VIEW_RENAME_TOOLTIP),
		NWidget(WWT_STICKYBOX, COLOUR_BROWN, TVW_STICKY),
	EndContainer(),
	NWidget(WWT_PANEL, COLOUR_BROWN, TVW_VIEWPORTPANEL),
		NWidget(WWT_INSET, COLOUR_BROWN, TVW_VIEWPORTINSET), SetMinimalSize(256, 88), SetPadding(2, 2, 2, 2), EndContainer(),
	EndContainer(),
	NWidget(WWT_PANEL, COLOUR_BROWN, TVW_INFOPANEL), SetMinimalSize(260, 32), EndContainer(),
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, TVW_CENTERVIEW), SetMinimalSize(86, 12), SetDataTip(STR_BUTTON_LOCATION, STR_TOWN_VIEW_CENTER_TOOLTIP),
		NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, TVW_SHOWAUTHORITY), SetMinimalSize(42, 12), SetDataTip(STR_TOWN_VIEW_LOCAL_AUTHORITY_BUTTON, STR_TOWN_VIEW_LOCAL_AUTHORITY_TOOLTIP),
		NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, TVW_EXPAND), SetMinimalSize(44, 12), SetDataTip(STR_TOWN_VIEW_EXPAND_BUTTON, STR_TOWN_VIEW_EXPAND_TOOLTIP),
		NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, TVW_DELETE), SetMinimalSize(88, 12), SetDataTip(STR_TOWN_VIEW_DELETE_BUTTON, STR_TOWN_VIEW_DELETE_TOOLTIP),
	EndContainer(),
};

static const WindowDesc _town_view_desc(
	WDP_AUTO, WDP_AUTO, 260, TownViewWindow::TVW_HEIGHT_NORMAL, 260, TownViewWindow::TVW_HEIGHT_NORMAL,
	WC_TOWN_VIEW, WC_NONE,
	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON,
	_town_view_widgets, _nested_town_view_widgets, lengthof(_nested_town_view_widgets)
);

void ShowTownViewWindow(TownID town)
{
	AllocateWindowDescFront<TownViewWindow>(&_town_view_desc, town);
}

/** Widget numbers of town directory window. */
enum TownDirectoryWidgets {
	TDW_CLOSEBOX,
	TDW_CAPTION,
	TDW_STICKYBOX,
	TDW_SORTNAME,
	TDW_SORTPOPULATION,
	TDW_CENTERTOWN,
	TDW_SCROLLBAR,
	TDW_BOTTOM_PANEL,
	TDW_BOTTOM_TEXT,
	TDW_RESIZEBOX,
};

static const NWidgetPart _nested_town_directory_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_BROWN, TDW_CLOSEBOX),
		NWidget(WWT_CAPTION, COLOUR_BROWN, TDW_CAPTION), SetDataTip(STR_TOWN_DIRECTORY_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
		NWidget(WWT_STICKYBOX, COLOUR_BROWN, TDW_STICKYBOX),
	EndContainer(),
	NWidget(NWID_HORIZONTAL),
		NWidget(NWID_VERTICAL),
			NWidget(NWID_HORIZONTAL),
				NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, TDW_SORTNAME), SetMinimalSize(99, 12), SetDataTip(STR_SORT_BY_CAPTION_NAME, STR_TOOLTIP_SORT_ORDER), SetFill(true, false),
				NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, TDW_SORTPOPULATION), SetMinimalSize(97, 12), SetDataTip(STR_SORT_BY_CAPTION_POPULATION, STR_TOOLTIP_SORT_ORDER), SetFill(true, false),
			EndContainer(),
			NWidget(WWT_PANEL, COLOUR_BROWN, TDW_CENTERTOWN), SetMinimalSize(196, 164), SetDataTip(0x0, STR_TOWN_DIRECTORY_LIST_TOOLTIP),
							SetFill(true, false), SetResize(0, 10), EndContainer(),
			NWidget(WWT_PANEL, COLOUR_BROWN, TDW_BOTTOM_PANEL),
				NWidget(WWT_TEXT, COLOUR_BROWN, TDW_BOTTOM_TEXT), SetPadding(2, 0, 0, 2), SetMinimalSize(196, 12), SetFill(true, false), SetDataTip(STR_TOWN_POPULATION, STR_NULL),
			EndContainer(),
		EndContainer(),
		NWidget(NWID_VERTICAL),
			NWidget(WWT_SCROLLBAR, COLOUR_BROWN, TDW_SCROLLBAR),
			NWidget(WWT_RESIZEBOX, COLOUR_BROWN, TDW_RESIZEBOX),
		EndContainer(),
	EndContainer(),
};

/** Town directory window class. */
struct TownDirectoryWindow : public Window {
private:
	/* Runtime saved values */
	static Listing last_sorting;
	static const Town *last_town;

	/* Constants for sorting towns */
	static GUITownList::SortFunction * const sorter_funcs[];

	GUITownList towns;

	void BuildSortTownList()
	{
		if (this->towns.NeedRebuild()) {
			this->towns.Clear();

			const Town *t;
			FOR_ALL_TOWNS(t) {
				*this->towns.Append() = t;
			}

			this->towns.Compact();
			this->towns.RebuildDone();
			this->vscroll.SetCount(this->towns.Length()); // Update scrollbar as well.
		}
		/* Always sort the towns. */
		this->last_town = NULL;
		this->towns.Sort();
	}

	/** Sort by town name */
	static int CDECL TownNameSorter(const Town * const *a, const Town * const *b)
	{
		static char buf_cache[64];
		const Town *ta = *a;
		const Town *tb = *b;
		char buf[64];

		SetDParam(0, ta->index);
		GetString(buf, STR_TOWN_NAME, lastof(buf));

		/* If 'b' is the same town as in the last round, use the cached value
		 * We do this to speed stuff up ('b' is called with the same value a lot of
		 * times after eachother) */
		if (tb != last_town) {
			last_town = tb;
			SetDParam(0, tb->index);
			GetString(buf_cache, STR_TOWN_NAME, lastof(buf_cache));
		}

		return strcmp(buf, buf_cache);
	}

	/** Sort by population */
	static int CDECL TownPopulationSorter(const Town * const *a, const Town * const *b)
	{
		return (*a)->population - (*b)->population;
	}

public:
	TownDirectoryWindow(const WindowDesc *desc) : Window()
	{
		this->towns.SetListing(this->last_sorting);
		this->towns.SetSortFuncs(TownDirectoryWindow::sorter_funcs);
		this->towns.ForceRebuild();
		this->BuildSortTownList();

		this->InitNested(desc, 0);
		this->vscroll.SetCapacity(this->nested_array[TDW_CENTERTOWN]->current_y / (int)this->resize.step_height);
	}

	~TownDirectoryWindow()
	{
		this->last_sorting = this->towns.GetListing();
	}

	virtual void OnPaint()
	{
		this->DrawWidgets();
	}

	virtual void SetStringParameters(int widget) const
	{
		if (widget == TDW_BOTTOM_TEXT) SetDParam(0, GetWorldPopulation());
	}

	virtual void DrawWidget(const Rect &r, int widget) const
	{
		switch (widget) {
			case TDW_SORTNAME:
				if (this->towns.SortType() == 0) this->DrawSortButtonState(widget, this->towns.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
				break;

			case TDW_SORTPOPULATION:
				if (this->towns.SortType() != 0) this->DrawSortButtonState(widget, this->towns.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
				break;

			case TDW_CENTERTOWN: {
				int n = 0;
				int y = r.top + WD_FRAMERECT_TOP;
				for (uint i = this->vscroll.GetPosition(); i < this->towns.Length(); i++) {
					const Town *t = this->towns[i];

					assert(t->xy != INVALID_TILE);

					SetDParam(0, t->index);
					SetDParam(1, t->population);
					DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_TOWN_DIRECTORY_TOWN);

					y += this->resize.step_height;
					if (++n == this->vscroll.GetCapacity()) break; // max number of towns in 1 window
				}
			} break;
		}
	}

	virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *resize)
	{
		switch (widget) {
			case TDW_SORTNAME:
			case TDW_SORTPOPULATION: {
				Dimension d = GetStringBoundingBox(this->nested_array[widget]->widget_data);
				d.width += padding.width + WD_SORTBUTTON_ARROW_WIDTH * 2; // Doubled since the word is centered, also looks nice.
				d.height += padding.height;
				*size = maxdim(*size, d);
				break;
			}
			case TDW_CENTERTOWN: {
				Dimension d = {0, 0};
				for (uint i = 0; i < this->towns.Length(); i++) {
					const Town *t = this->towns[i];

					assert(t != NULL);

					SetDParam(0, t->index);
					SetDParam(1, 10000000); // 10^7
					d = maxdim(d, GetStringBoundingBox(STR_TOWN_DIRECTORY_TOWN));
				}
				d.width += padding.width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
				d.height += padding.height;
				*size = maxdim(*size, d);
				resize->height = d.height;
				break;
			}
			case TDW_BOTTOM_TEXT: {
				SetDParam(0, 1000000000); // 10^9
				Dimension d = GetStringBoundingBox(STR_TOWN_POPULATION);
				d.width += padding.width;
				d.height += padding.height;
				*size = maxdim(*size, d);
				break;
			}
		}
	}

	virtual void OnClick(Point pt, int widget)
	{
		switch (widget) {
			case TDW_SORTNAME: // Sort by Name ascending/descending
				if (this->towns.SortType() == 0) {
					this->towns.ToggleSortOrder();
				} else {
					this->towns.SetSortType(0);
				}
				this->BuildSortTownList();
				this->SetDirty();
				break;

			case TDW_SORTPOPULATION: // Sort by Population ascending/descending
				if (this->towns.SortType() == 1) {
					this->towns.ToggleSortOrder();
				} else {
					this->towns.SetSortType(1);
				}
				this->BuildSortTownList();
				this->SetDirty();
				break;

			case TDW_CENTERTOWN: { // Click on Town Matrix
				uint16 id_v = (pt.y - this->nested_array[widget]->pos_y - WD_FRAMERECT_TOP) / this->resize.step_height;

				if (id_v >= this->vscroll.GetCapacity()) return; // click out of bounds

				id_v += this->vscroll.GetPosition();

				if (id_v >= this->towns.Length()) return; // click out of town bounds

				const Town *t = this->towns[id_v];
				assert(t != NULL);
				if (_ctrl_pressed) {
					ShowExtraViewPortWindow(t->xy);
				} else {
					ScrollMainWindowToTile(t->xy);
				}
				break;
			}
		}
	}

	virtual void OnHundredthTick()
	{
		this->BuildSortTownList();
		this->SetDirty();
	}

	virtual void OnResize(Point delta)
	{
		this->vscroll.UpdateCapacity(delta.y / (int)this->resize.step_height);
	}

	virtual void OnInvalidateData(int data)
	{
		if (data == 0) {
			this->towns.ForceRebuild();
		} else {
			this->towns.ForceResort();
		}
		this->BuildSortTownList();
	}
};

Listing TownDirectoryWindow::last_sorting = {false, 0};
const Town *TownDirectoryWindow::last_town = NULL;

/* Available town directory sorting functions */
GUITownList::SortFunction * const TownDirectoryWindow::sorter_funcs[] = {
	&TownNameSorter,
	&TownPopulationSorter,
};

static const WindowDesc _town_directory_desc(
	WDP_AUTO, WDP_AUTO, 208, 202, 208, 202,
	WC_TOWN_DIRECTORY, WC_NONE,
	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,
	NULL, _nested_town_directory_widgets, lengthof(_nested_town_directory_widgets)
);

void ShowTownDirectory()
{
	if (BringWindowToFrontById(WC_TOWN_DIRECTORY, 0)) return;
	new TownDirectoryWindow(&_town_directory_desc);
}

void CcBuildTown(bool success, TileIndex tile, uint32 p1, uint32 p2)
{
	if (success) {
		SndPlayTileFx(SND_1F_SPLAT, tile);
		if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
	}
}

/** Widget numbers of town scenario editor window. */
enum TownScenarioEditorWidgets {
	TSEW_CLOSEBOX,
	TSEW_CAPTION,
	TSEW_STICKYBOX,
	TSEW_BACKGROUND,
	TSEW_NEWTOWN,
	TSEW_RANDOMTOWN,
	TSEW_MANYRANDOMTOWNS,
	TSEW_TOWNSIZE,
	TSEW_SIZE_SMALL,
	TSEW_SIZE_MEDIUM,
	TSEW_SIZE_LARGE,
	TSEW_SIZE_RANDOM,
	TSEW_CITY,
	TSEW_TOWNLAYOUT,
	TSEW_LAYOUT_ORIGINAL,
	TSEW_LAYOUT_BETTER,
	TSEW_LAYOUT_GRID2,
	TSEW_LAYOUT_GRID3,
	TSEW_LAYOUT_RANDOM,
};

static const NWidgetPart _nested_found_town_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN, TSEW_CLOSEBOX),
		NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, TSEW_CAPTION), SetDataTip(STR_FOUND_TOWN_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
		NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN, TSEW_STICKYBOX),
	EndContainer(),
	/* Construct new town(s) buttons. */
	NWidget(WWT_PANEL, COLOUR_DARK_GREEN, TSEW_BACKGROUND),
		NWidget(NWID_SPACER), SetMinimalSize(0, 2),
		NWidget(WWT_TEXTBTN, COLOUR_GREY, TSEW_NEWTOWN), SetMinimalSize(156, 12), SetFill(true, false),
										SetDataTip(STR_FOUND_TOWN_NEW_TOWN_BUTTON, STR_FOUND_TOWN_NEW_TOWN_TOOLTIP), SetPadding(0, 2, 1, 2),
		NWidget(WWT_TEXTBTN, COLOUR_GREY, TSEW_RANDOMTOWN), SetMinimalSize(156, 12), SetFill(true, false),
										SetDataTip(STR_FOUND_TOWN_RANDOM_TOWN_BUTTON, STR_FOUND_TOWN_RANDOM_TOWN_TOOLTIP), SetPadding(0, 2, 1, 2),
		NWidget(WWT_TEXTBTN, COLOUR_GREY, TSEW_MANYRANDOMTOWNS), SetMinimalSize(156, 12), SetFill(true, false),
										SetDataTip(STR_FOUND_TOWN_MANY_RANDOM_TOWNS, STR_FOUND_TOWN_RANDOM_TOWNS_TOOLTIP), SetPadding(0, 2, 0, 2),
		/* Town size selection. */
		NWidget(NWID_HORIZONTAL),
			NWidget(NWID_SPACER), SetFill(true, false),
			NWidget(WWT_LABEL, COLOUR_DARK_GREEN, TSEW_TOWNSIZE), SetMinimalSize(148, 14), SetDataTip(STR_FOUND_TOWN_INITIAL_SIZE_TITLE, STR_NULL),
			NWidget(NWID_SPACER), SetFill(true, false),
		EndContainer(),
		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(2, 0, 2),
			NWidget(WWT_TEXTBTN, COLOUR_GREY, TSEW_SIZE_SMALL), SetMinimalSize(78, 12), SetFill(true, false),
										SetDataTip(STR_FOUND_TOWN_INITIAL_SIZE_SMALL_BUTTON, STR_FOUND_TOWN_INITIAL_SIZE_TOOLTIP),
			NWidget(WWT_TEXTBTN, COLOUR_GREY, TSEW_SIZE_MEDIUM), SetMinimalSize(78, 12), SetFill(true, false),
										SetDataTip(STR_FOUND_TOWN_INITIAL_SIZE_MEDIUM_BUTTON, STR_FOUND_TOWN_INITIAL_SIZE_TOOLTIP),
		EndContainer(),
		NWidget(NWID_SPACER), SetMinimalSize(0, 1),
		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(2, 0, 2),
			NWidget(WWT_TEXTBTN, COLOUR_GREY, TSEW_SIZE_LARGE), SetMinimalSize(78, 12), SetFill(true, false),
										SetDataTip(STR_FOUND_TOWN_INITIAL_SIZE_LARGE_BUTTON, STR_FOUND_TOWN_INITIAL_SIZE_TOOLTIP),
			NWidget(WWT_TEXTBTN, COLOUR_GREY, TSEW_SIZE_RANDOM), SetMinimalSize(78, 12), SetFill(true, false),
										SetDataTip(STR_FOUND_TOWN_SIZE_RANDOM, STR_FOUND_TOWN_INITIAL_SIZE_TOOLTIP),
		EndContainer(),
		NWidget(NWID_SPACER), SetMinimalSize(0, 3),
		NWidget(WWT_TEXTBTN, COLOUR_GREY, TSEW_CITY), SetPadding(0, 2, 0, 2), SetMinimalSize(156, 12), SetFill(true, false),
										SetDataTip(STR_FOUND_TOWN_CITY, STR_FOUND_TOWN_CITY_TOOLTIP), SetFill(true, false),
		/* Town roads selection. */
		NWidget(NWID_HORIZONTAL),
			NWidget(NWID_SPACER), SetFill(true, false),
			NWidget(WWT_LABEL, COLOUR_DARK_GREEN, TSEW_TOWNLAYOUT), SetMinimalSize(148, 14), SetDataTip(STR_FOUND_TOWN_ROAD_LAYOUT, STR_NULL),
			NWidget(NWID_SPACER), SetFill(true, false),
		EndContainer(),
		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(2, 0, 2),
			NWidget(WWT_TEXTBTN, COLOUR_GREY, TSEW_LAYOUT_ORIGINAL), SetMinimalSize(78, 12), SetFill(true, false), SetDataTip(STR_FOUND_TOWN_SELECT_LAYOUT_ORIGINAL, STR_FOUND_TOWN_SELECT_TOWN_ROAD_LAYOUT),
			NWidget(WWT_TEXTBTN, COLOUR_GREY, TSEW_LAYOUT_BETTER), SetMinimalSize(78, 12), SetFill(true, false), SetDataTip(STR_FOUND_TOWN_SELECT_LAYOUT_BETTER_ROADS, STR_FOUND_TOWN_SELECT_TOWN_ROAD_LAYOUT),
		EndContainer(),
		NWidget(NWID_SPACER), SetMinimalSize(0, 1),
		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(2, 0, 2),
			NWidget(WWT_TEXTBTN, COLOUR_GREY, TSEW_LAYOUT_GRID2), SetMinimalSize(78, 12), SetFill(true, false), SetDataTip(STR_FOUND_TOWN_SELECT_LAYOUT_2X2_GRID, STR_FOUND_TOWN_SELECT_TOWN_ROAD_LAYOUT),
			NWidget(WWT_TEXTBTN, COLOUR_GREY, TSEW_LAYOUT_GRID3), SetMinimalSize(78, 12), SetFill(true, false), SetDataTip(STR_FOUND_TOWN_SELECT_LAYOUT_3X3_GRID, STR_FOUND_TOWN_SELECT_TOWN_ROAD_LAYOUT),
		EndContainer(),
		NWidget(NWID_SPACER), SetMinimalSize(0, 1),
		NWidget(WWT_TEXTBTN, COLOUR_GREY, TSEW_LAYOUT_RANDOM), SetPadding(0, 2, 0, 2), SetMinimalSize(0, 12), SetFill(true, false),
										SetDataTip(STR_FOUND_TOWN_SELECT_LAYOUT_RANDOM, STR_FOUND_TOWN_SELECT_TOWN_ROAD_LAYOUT), SetFill(true, false),
		NWidget(NWID_SPACER), SetMinimalSize(0, 2),
	EndContainer(),
};

/** Found a town window class. */
struct FoundTownWindow : Window
{
private:
	static TownSize town_size;
	static bool city;
	static TownLayout town_layout;

public:
	FoundTownWindow(const WindowDesc *desc, WindowNumber window_number) : Window()
	{
		this->InitNested(desc, window_number);
		town_layout = _settings_game.economy.town_layout;
		city = false;
		this->UpdateButtons();
	}

	void UpdateButtons()
	{
		for (int i = TSEW_SIZE_SMALL; i <= TSEW_SIZE_RANDOM; i++) {
			this->SetWidgetLoweredState(i, i == TSEW_SIZE_SMALL + town_size);
		}

		this->SetWidgetLoweredState(TSEW_CITY, city);

		for (int i = TSEW_LAYOUT_ORIGINAL; i <= TSEW_LAYOUT_RANDOM; i++) {
			this->SetWidgetLoweredState(i, i == TSEW_LAYOUT_ORIGINAL + town_layout);
		}

		this->SetDirty();
	}

	virtual void OnPaint()
	{
		this->DrawWidgets();
	}

	virtual void OnClick(Point pt, int widget)
	{
		switch (widget) {
			case TSEW_NEWTOWN:
				HandlePlacePushButton(this, TSEW_NEWTOWN, SPR_CURSOR_TOWN, HT_RECT, PlaceProc_Town);
				break;

			case TSEW_RANDOMTOWN: {
				this->HandleButtonClick(TSEW_RANDOMTOWN);
				_generating_world = true;
				UpdateNearestTownForRoadTiles(true);
				const Town *t = CreateRandomTown(20, town_size, city, town_layout);
				UpdateNearestTownForRoadTiles(false);
				_generating_world = false;

				if (t == NULL) {
					ShowErrorMessage(STR_ERROR_NO_SPACE_FOR_TOWN, STR_ERROR_CAN_T_GENERATE_TOWN, 0, 0);
				} else {
					ScrollMainWindowToTile(t->xy);
				}
			} break;

			case TSEW_MANYRANDOMTOWNS:
				this->HandleButtonClick(TSEW_MANYRANDOMTOWNS);

				_generating_world = true;
				UpdateNearestTownForRoadTiles(true);
				if (!GenerateTowns(town_layout)) {
					ShowErrorMessage(STR_ERROR_NO_SPACE_FOR_TOWN, STR_ERROR_CAN_T_GENERATE_TOWN, 0, 0);
				}
				UpdateNearestTownForRoadTiles(false);
				_generating_world = false;
				break;

			case TSEW_SIZE_SMALL: case TSEW_SIZE_MEDIUM: case TSEW_SIZE_LARGE: case TSEW_SIZE_RANDOM:
				town_size = (TownSize)(widget - TSEW_SIZE_SMALL);
				this->UpdateButtons();
				break;

			case TSEW_CITY:
				city ^= true;
				this->SetWidgetLoweredState(TSEW_CITY, city);
				this->SetDirty();
				break;

			case TSEW_LAYOUT_ORIGINAL: case TSEW_LAYOUT_BETTER: case TSEW_LAYOUT_GRID2:
			case TSEW_LAYOUT_GRID3: case TSEW_LAYOUT_RANDOM:
				town_layout = (TownLayout)(widget - TSEW_LAYOUT_ORIGINAL);
				this->UpdateButtons();
				break;
		}
	}

	virtual void OnTimeout()
	{
		this->RaiseWidget(TSEW_RANDOMTOWN);
		this->RaiseWidget(TSEW_MANYRANDOMTOWNS);
		this->SetDirty();
	}

	virtual void OnPlaceObject(Point pt, TileIndex tile)
	{
		_place_proc(tile);
	}

	virtual void OnPlaceObjectAbort()
	{
		this->RaiseButtons();
		this->UpdateButtons();
	}

	static void PlaceProc_Town(TileIndex tile)
	{
		uint32 townnameparts;
		if (!GenerateTownName(&townnameparts)) {
			ShowErrorMessage(STR_ERROR_TOO_MANY_TOWNS, STR_ERROR_CAN_T_BUILD_TOWN_HERE, 0, 0);
			return;
		}

		DoCommandP(tile, town_size | city << 2 | town_layout << 3, townnameparts, CMD_BUILD_TOWN | CMD_MSG(STR_ERROR_CAN_T_BUILD_TOWN_HERE), CcBuildTown);
	}
};

TownSize FoundTownWindow::town_size = TS_MEDIUM; // select medium-sized towns per default;
bool FoundTownWindow::city;
TownLayout FoundTownWindow::town_layout;

static const WindowDesc _found_town_desc(
	WDP_AUTO, WDP_AUTO, 160, 162, 160, 162,
	WC_FOUND_TOWN, WC_NONE,
	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_STICKY_BUTTON | WDF_CONSTRUCTION,
	NULL, _nested_found_town_widgets, lengthof(_nested_found_town_widgets)
);

void ShowBuildTownWindow()
{
	if (_game_mode != GM_EDITOR && !Company::IsValidID(_local_company)) return;
	AllocateWindowDescFront<FoundTownWindow>(&_found_town_desc, 0);
}