Files @ r15789:c3566de65d78
Branch filter:

Location: cpp/openttd-patchpack/source/src/bridge_gui.cpp - annotation

yexo
(svn r20474) -Cleanup: remove some unused code
  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
r5584:545d748cc681
r5584:545d748cc681
r12768:980ae0491352
r12768:980ae0491352
r12768:980ae0491352
r12768:980ae0491352
r12768:980ae0491352
r12768:980ae0491352
r12768:980ae0491352
r6117:d11b4c5c0aea
r5584:545d748cc681
r5584:545d748cc681
r5584:545d748cc681
r8116:df67d3c5e4fd
r8116:df67d3c5e4fd
r5584:545d748cc681
r15236:52b8c9d62ef9
r8114:866ed489ed98
r8131:7a50db7be0ff
r8157:cf41aa22cd09
r8224:194097dc7288
r8398:cf5cc32ab397
r9283:61eea035568a
r9292:3e908df09326
r14248:a9050881acd7
r5584:545d748cc681
r8264:d493cb51fe8a
r8264:d493cb51fe8a
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r8020:7fa639e03dbc
r9283:61eea035568a
r5584:545d748cc681
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r14220:2b66d13ca715
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r14220:2b66d13ca715
r5584:545d748cc681
r14220:2b66d13ca715
r5584:545d748cc681
r5584:545d748cc681
r8020:7fa639e03dbc
r8020:7fa639e03dbc
r8020:7fa639e03dbc
r9292:3e908df09326
r9292:3e908df09326
r8020:7fa639e03dbc
r8020:7fa639e03dbc
r8020:7fa639e03dbc
r8020:7fa639e03dbc
r9283:61eea035568a
r9283:61eea035568a
r9367:77824f88e31c
r9568:59ac3f294f78
r9367:77824f88e31c
r8020:7fa639e03dbc
r9367:77824f88e31c
r9367:77824f88e31c
r11371:4a7632225c6c
r9367:77824f88e31c
r9367:77824f88e31c
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9292:3e908df09326
r12601:4fa7d61dc1cf
r15769:4a935f419828
r9283:61eea035568a
r9367:77824f88e31c
r9376:cdce66704b01
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r9376:cdce66704b01
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r9376:cdce66704b01
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r9283:61eea035568a
r9283:61eea035568a
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r9365:9bd51de92a64
r11725:57bc99fdc1bc
r9283:61eea035568a
r8020:7fa639e03dbc
r9292:3e908df09326
r9292:3e908df09326
r9292:3e908df09326
r9367:77824f88e31c
r9292:3e908df09326
r9292:3e908df09326
r13062:680961bd134a
r9292:3e908df09326
r9292:3e908df09326
r13024:48c81d0b078a
r13024:48c81d0b078a
r9292:3e908df09326
r9292:3e908df09326
r9283:61eea035568a
r12601:4fa7d61dc1cf
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r12601:4fa7d61dc1cf
r15769:4a935f419828
r12601:4fa7d61dc1cf
r13062:680961bd134a
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r11072:2e8ea3011436
r9367:77824f88e31c
r9367:77824f88e31c
r9480:75fa3be16747
r9292:3e908df09326
r5584:545d748cc681
r15769:4a935f419828
r15769:4a935f419828
r15769:4a935f419828
r12601:4fa7d61dc1cf
r15769:4a935f419828
r15769:4a935f419828
r7983:df865a15383f
r15769:4a935f419828
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9367:77824f88e31c
r9367:77824f88e31c
r9283:61eea035568a
r9283:61eea035568a
r5584:545d748cc681
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r12601:4fa7d61dc1cf
r9292:3e908df09326
r13695:e0bf1a35834a
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r13062:680961bd134a
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r9292:3e908df09326
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12622:202e83a6cee7
r12601:4fa7d61dc1cf
r12602:1c9d00727f7d
r12602:1c9d00727f7d
r12602:1c9d00727f7d
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r9283:61eea035568a
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r9292:3e908df09326
r12601:4fa7d61dc1cf
r12602:1c9d00727f7d
r15769:4a935f419828
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12602:1c9d00727f7d
r12622:202e83a6cee7
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r12601:4fa7d61dc1cf
r5584:545d748cc681
r9283:61eea035568a
r5584:545d748cc681
r9285:acbf930223e4
r9283:61eea035568a
r9283:61eea035568a
r9365:9bd51de92a64
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9285:acbf930223e4
r9283:61eea035568a
r9285:acbf930223e4
r9283:61eea035568a
r9283:61eea035568a
r14399:3f819c0da60a
r9283:61eea035568a
r9292:3e908df09326
r9292:3e908df09326
r9292:3e908df09326
r15769:4a935f419828
r15553:7db2c5732f29
r15553:7db2c5732f29
r15553:7db2c5732f29
r7983:df865a15383f
r15608:7b580ec7448a
r15608:7b580ec7448a
r9292:3e908df09326
r9292:3e908df09326
r9367:77824f88e31c
r9367:77824f88e31c
r9292:3e908df09326
r9292:3e908df09326
r9292:3e908df09326
r9367:77824f88e31c
r9292:3e908df09326
r9292:3e908df09326
r9292:3e908df09326
r9292:3e908df09326
r9292:3e908df09326
r9292:3e908df09326
r9367:77824f88e31c
r9367:77824f88e31c
r9292:3e908df09326
r9292:3e908df09326
r9283:61eea035568a
r9283:61eea035568a
r7983:df865a15383f
r13334:52f3226937dd
r9283:61eea035568a
r15769:4a935f419828
r15769:4a935f419828
r8020:7fa639e03dbc
r15769:4a935f419828
r5584:545d748cc681
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9568:59ac3f294f78
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r10647:62911ec68e89
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r12474:6d6f8d461c5d
r9367:77824f88e31c
r9367:77824f88e31c
r9367:77824f88e31c
r5584:545d748cc681
r11457:9a04ad49bedb
r11457:9a04ad49bedb
r11457:9a04ad49bedb
r13742:180ad925befc
r13677:c04bf11f5c27
r11457:9a04ad49bedb
r12603:73cf823a9613
r11457:9a04ad49bedb
r12603:73cf823a9613
r12603:73cf823a9613
r12603:73cf823a9613
r13694:4523784084b5
r14506:aac88421de94
r12603:73cf823a9613
r12603:73cf823a9613
r15768:ab313d887dea
r12603:73cf823a9613
r12603:73cf823a9613
r12603:73cf823a9613
r11457:9a04ad49bedb
r15777:9970b8c5503f
r13742:180ad925befc
r11457:9a04ad49bedb
r11457:9a04ad49bedb
r11457:9a04ad49bedb
r11457:9a04ad49bedb
r8020:7fa639e03dbc
r11368:058349c3a02c
r13786:6205ecbdf2fa
r5584:545d748cc681
r13739:747ed1f003e3
r13554:d1964ead02ee
r11368:058349c3a02c
r5584:545d748cc681
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r9283:61eea035568a
r13060:e57594b0ca84
r9283:61eea035568a
r9283:61eea035568a
r10140:e2d5edb7fd57
r9283:61eea035568a
r10140:e2d5edb7fd57
r5584:545d748cc681
r12459:0355f2f0513a
r5584:545d748cc681
r9283:61eea035568a
r9283:61eea035568a
r10140:e2d5edb7fd57
r9283:61eea035568a
r10140:e2d5edb7fd57
r5584:545d748cc681
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r14944:29599fab3827
r11725:57bc99fdc1bc
r10548:3b5822c2c754
r10548:3b5822c2c754
r10548:3b5822c2c754
r7983:df865a15383f
r7983:df865a15383f
r7983:df865a15383f
r9283:61eea035568a
r5584:545d748cc681
r9283:61eea035568a
r14304:dc9cb5b9e881
r14818:d652bc9ae7bc
r5584:545d748cc681
r10548:3b5822c2c754
r7983:df865a15383f
r5584:545d748cc681
r9365:9bd51de92a64
r9365:9bd51de92a64
r15236:52b8c9d62ef9
r15236:52b8c9d62ef9
r15236:52b8c9d62ef9
r15236:52b8c9d62ef9
r15236:52b8c9d62ef9
r15236:52b8c9d62ef9
r15236:52b8c9d62ef9
r7983:df865a15383f
r8532:0c31796f7b70
r14944:29599fab3827
r7983:df865a15383f
r9365:9bd51de92a64
r9365:9bd51de92a64
r9365:9bd51de92a64
r7983:df865a15383f
r7983:df865a15383f
r15236:52b8c9d62ef9
r5584:545d748cc681
r5584:545d748cc681
r5584:545d748cc681
r5584:545d748cc681
r9365:9bd51de92a64
r9283:61eea035568a
r5584:545d748cc681
r11964:7095e7a18762
r14635:a75264d517b7
r5584:545d748cc681
r5584:545d748cc681
/* $Id$ */

/*
 * 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 bridge_gui.cpp Graphical user interface for bridge construction */

#include "stdafx.h"
#include "gui.h"
#include "command_func.h"
#include "economy_func.h"
#include "bridge.h"
#include "rail.h"
#include "strings_func.h"
#include "window_func.h"
#include "sound_func.h"
#include "gfx_func.h"
#include "tunnelbridge.h"
#include "sortlist_type.h"
#include "widgets/dropdown_func.h"
#include "core/geometry_func.hpp"

#include "table/strings.h"

/** The type of the last built rail bridge */
static BridgeType _last_railbridge_type = 0;
/** The type of the last built road bridge */
static BridgeType _last_roadbridge_type = 0;

/**
 * Carriage for the data we need if we want to build a bridge
 */
struct BuildBridgeData {
	BridgeType index;
	const BridgeSpec *spec;
	Money cost;
};

typedef GUIList<BuildBridgeData> GUIBridgeList;

/**
 * Callback executed after a build Bridge CMD has been called
 *
 * @param result Whether the build succeded
 * @param tile The tile where the command has been executed
 * @param p1 not used
 * @param p2 not used
 */
void CcBuildBridge(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
{
	if (result.Succeeded()) SndPlayTileFx(SND_27_BLACKSMITH_ANVIL, tile);
}

/* Names of the build bridge selection window */
enum BuildBridgeSelectionWidgets {
	BBSW_CAPTION,
	BBSW_DROPDOWN_ORDER,
	BBSW_DROPDOWN_CRITERIA,
	BBSW_BRIDGE_LIST,
	BBSW_SCROLLBAR,
};

class BuildBridgeWindow : public Window {
private:
	/* Runtime saved values */
	static uint16 last_size;
	static Listing last_sorting;

	/* Constants for sorting the bridges */
	static const StringID sorter_names[];
	static GUIBridgeList::SortFunction * const sorter_funcs[];

	/* Internal variables */
	TileIndex start_tile;
	TileIndex end_tile;
	uint32 type;
	GUIBridgeList *bridges;
	int bridgetext_offset; ///< Horizontal offset of the text describing the bridge properties in #BBSW_BRIDGE_LIST relative to the left edge.
	Scrollbar *vscroll;

	/** Sort the bridges by their index */
	static int CDECL BridgeIndexSorter(const BuildBridgeData *a, const BuildBridgeData *b)
	{
		return a->index - b->index;
	}

	/** Sort the bridges by their price */
	static int CDECL BridgePriceSorter(const BuildBridgeData *a, const BuildBridgeData *b)
	{
		return a->cost - b->cost;
	}

	/** Sort the bridges by their maximum speed */
	static int CDECL BridgeSpeedSorter(const BuildBridgeData *a, const BuildBridgeData *b)
	{
		return a->spec->speed - b->spec->speed;
	}

	void BuildBridge(uint8 i)
	{
		switch ((TransportType)(this->type >> 15)) {
			case TRANSPORT_RAIL: _last_railbridge_type = this->bridges->Get(i)->index; break;
			case TRANSPORT_ROAD: _last_roadbridge_type = this->bridges->Get(i)->index; break;
			default: break;
		}
		DoCommandP(this->end_tile, this->start_tile, this->type | this->bridges->Get(i)->index,
					CMD_BUILD_BRIDGE | CMD_MSG(STR_ERROR_CAN_T_BUILD_BRIDGE_HERE), CcBuildBridge);
	}

	/** Sort the builable bridges */
	void SortBridgeList()
	{
		this->bridges->Sort();

		/* Display the current sort variant */
		this->GetWidget<NWidgetCore>(BBSW_DROPDOWN_CRITERIA)->widget_data = this->sorter_names[this->bridges->SortType()];

		/* Set the modified widgets dirty */
		this->SetWidgetDirty(BBSW_DROPDOWN_CRITERIA);
		this->SetWidgetDirty(BBSW_BRIDGE_LIST);
	}

public:
	BuildBridgeWindow(const WindowDesc *desc, TileIndex start, TileIndex end, uint32 br_type, GUIBridgeList *bl) : Window(),
		start_tile(start),
		end_tile(end),
		type(br_type),
		bridges(bl)
	{
		this->CreateNestedTree(desc);
		this->vscroll = this->GetScrollbar(BBSW_SCROLLBAR);
		/* Change the data, or the caption of the gui. Set it to road or rail, accordingly. */
		this->GetWidget<NWidgetCore>(BBSW_CAPTION)->widget_data = (GB(this->type, 15, 2) == TRANSPORT_ROAD) ? STR_SELECT_ROAD_BRIDGE_CAPTION : STR_SELECT_RAIL_BRIDGE_CAPTION;
		this->FinishInitNested(desc, GB(br_type, 15, 2)); // Initializes 'this->bridgetext_offset'.

		this->parent = FindWindowById(WC_BUILD_TOOLBAR, GB(this->type, 15, 2));
		this->bridges->SetListing(this->last_sorting);
		this->bridges->SetSortFuncs(this->sorter_funcs);
		this->bridges->NeedResort();
		this->SortBridgeList();

		this->vscroll->SetCount(bl->Length());
		if (this->last_size < this->vscroll->GetCapacity()) this->last_size = this->vscroll->GetCapacity();
		if (this->last_size > this->vscroll->GetCount()) this->last_size = this->vscroll->GetCount();
		/* Resize the bridge selection window if we used a bigger one the last time. */
		if (this->last_size > this->vscroll->GetCapacity()) {
			ResizeWindow(this, 0, (this->last_size - this->vscroll->GetCapacity()) * this->resize.step_height);
		}
		this->GetWidget<NWidgetCore>(BBSW_BRIDGE_LIST)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
	}

	~BuildBridgeWindow()
	{
		this->last_sorting = this->bridges->GetListing();

		delete bridges;
	}

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

	virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
	{
		switch (widget) {
			case BBSW_DROPDOWN_ORDER: {
				Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(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 BBSW_DROPDOWN_CRITERIA: {
				Dimension d = {0, 0};
				for (const StringID *str = this->sorter_names; *str != INVALID_STRING_ID; str++) {
					d = maxdim(d, GetStringBoundingBox(*str));
				}
				d.width += padding.width;
				d.height += padding.height;
				*size = maxdim(*size, d);
				break;
			}
			case BBSW_BRIDGE_LIST: {
				Dimension sprite_dim = {0, 0}; // Biggest bridge sprite dimension
				Dimension text_dim   = {0, 0}; // Biggest text dimension
				for (int i = 0; i < (int)this->bridges->Length(); i++) {
					const BridgeSpec *b = this->bridges->Get(i)->spec;
					sprite_dim = maxdim(sprite_dim, GetSpriteSize(b->sprite));

					SetDParam(2, this->bridges->Get(i)->cost);
					SetDParam(1, b->speed);
					SetDParam(0, b->material);
					text_dim = maxdim(text_dim, GetStringBoundingBox(STR_SELECT_BRIDGE_INFO));
				}
				sprite_dim.height++; // Sprite is rendered one pixel down in the matrix field.
				text_dim.height++; // Allowing the bottom row pixels to be rendered on the edge of the matrix field.
				resize->height = max(sprite_dim.height, text_dim.height) + 2; // Max of both sizes + account for matrix edges.

				this->bridgetext_offset = WD_MATRIX_LEFT + sprite_dim.width + 1; // Left edge of text, 1 pixel distance from the sprite.
				size->width = this->bridgetext_offset + text_dim.width + WD_MATRIX_RIGHT;
				size->height = 4 * resize->height; // Smallest bridge gui is 4 entries high in the matrix.
				break;
			}
		}
	}

	virtual void DrawWidget(const Rect &r, int widget) const
	{
		switch (widget) {
			case BBSW_DROPDOWN_ORDER:
				this->DrawSortButtonState(widget, this->bridges->IsDescSortOrder() ? SBS_DOWN : SBS_UP);
				break;

			case BBSW_BRIDGE_LIST: {
				uint y = r.top;
				for (int i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < (int)this->bridges->Length(); i++) {
					const BridgeSpec *b = this->bridges->Get(i)->spec;

					SetDParam(2, this->bridges->Get(i)->cost);
					SetDParam(1, b->speed);
					SetDParam(0, b->material);

					DrawSprite(b->sprite, b->pal, r.left + WD_MATRIX_LEFT, y + this->resize.step_height - 1 - GetSpriteSize(b->sprite).height);
					DrawStringMultiLine(r.left + this->bridgetext_offset, r.right, y + 2, y + this->resize.step_height, STR_SELECT_BRIDGE_INFO);
					y += this->resize.step_height;
				}
				break;
			}
		}
	}

	virtual EventState OnKeyPress(uint16 key, uint16 keycode)
	{
		const uint8 i = keycode - '1';
		if (i < 9 && i < this->bridges->Length()) {
			/* Build the requested bridge */
			this->BuildBridge(i);
			delete this;
			return ES_HANDLED;
		}
		return ES_NOT_HANDLED;
	}

	virtual void OnClick(Point pt, int widget, int click_count)
	{
		switch (widget) {
			default: break;
			case BBSW_BRIDGE_LIST: {
				uint i = this->vscroll->GetScrolledRowFromWidget(pt.y, this, BBSW_BRIDGE_LIST);
				if (i < this->bridges->Length()) {
					this->BuildBridge(i);
					delete this;
				}
				break;
			}

			case BBSW_DROPDOWN_ORDER:
				this->bridges->ToggleSortOrder();
				this->SetDirty();
				break;

			case BBSW_DROPDOWN_CRITERIA:
				ShowDropDownMenu(this, this->sorter_names, this->bridges->SortType(), BBSW_DROPDOWN_CRITERIA, 0, 0);
				break;
		}
	}

	virtual void OnDropdownSelect(int widget, int index)
	{
		if (widget == BBSW_DROPDOWN_CRITERIA && this->bridges->SortType() != index) {
			this->bridges->SetSortType(index);

			this->SortBridgeList();
		}
	}

	virtual void OnResize()
	{
		this->vscroll->SetCapacityFromWidget(this, BBSW_BRIDGE_LIST);
		this->GetWidget<NWidgetCore>(BBSW_BRIDGE_LIST)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);

		this->last_size = max(this->vscroll->GetCapacity(), this->last_size);
	}
};

/* Set the default size of the Build Bridge Window */
uint16 BuildBridgeWindow::last_size = 4;
/* Set the default sorting for the bridges */
Listing BuildBridgeWindow::last_sorting = {false, 0};

/* Availible bridge sorting functions */
GUIBridgeList::SortFunction * const BuildBridgeWindow::sorter_funcs[] = {
	&BridgeIndexSorter,
	&BridgePriceSorter,
	&BridgeSpeedSorter
};

/* Names of the sorting functions */
const StringID BuildBridgeWindow::sorter_names[] = {
	STR_SORT_BY_NUMBER,
	STR_SORT_BY_COST,
	STR_SORT_BY_MAX_SPEED,
	INVALID_STRING_ID
};

static const NWidgetPart _nested_build_bridge_widgets[] = {
	/* Header */
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
		NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, BBSW_CAPTION), SetDataTip(STR_SELECT_RAIL_BRIDGE_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
	EndContainer(),

	NWidget(NWID_HORIZONTAL),
		NWidget(NWID_VERTICAL),
			/* Sort order + criteria buttons */
			NWidget(NWID_HORIZONTAL),
				NWidget(WWT_TEXTBTN, COLOUR_DARK_GREEN, BBSW_DROPDOWN_ORDER), SetFill(1, 0), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
				NWidget(WWT_DROPDOWN, COLOUR_DARK_GREEN, BBSW_DROPDOWN_CRITERIA), SetFill(1, 0), SetDataTip(0x0, STR_TOOLTIP_SORT_CRITERIA),
			EndContainer(),
			/* Matrix. */
			NWidget(WWT_MATRIX, COLOUR_DARK_GREEN, BBSW_BRIDGE_LIST), SetFill(1, 0), SetResize(0, 22), SetDataTip(0x401, STR_SELECT_BRIDGE_SELECTION_TOOLTIP), SetScrollbar(BBSW_SCROLLBAR),
		EndContainer(),

		/* scrollbar + resize button */
		NWidget(NWID_VERTICAL),
			NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, BBSW_SCROLLBAR),
			NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
		EndContainer(),
	EndContainer(),
};

/* Window definition for the rail bridge selection window */
static const WindowDesc _build_bridge_desc(
	WDP_AUTO, 200, 114,
	WC_BUILD_BRIDGE, WC_BUILD_TOOLBAR,
	WDF_CONSTRUCTION,
	_nested_build_bridge_widgets, lengthof(_nested_build_bridge_widgets)
);

/**
 * Prepare the data for the build a bridge window.
 *  If we can't build a bridge under the given conditions
 *  show an error message.
 *
 * @param start The start tile of the bridge
 * @param end The end tile of the bridge
 * @param transport_type The transport type
 * @param road_rail_type The road/rail type
 */
void ShowBuildBridgeWindow(TileIndex start, TileIndex end, TransportType transport_type, byte road_rail_type)
{
	DeleteWindowByClass(WC_BUILD_BRIDGE);

	/* Data type for the bridge.
	 * Bit 16,15 = transport type,
	 *     14..8 = road/rail types,
	 *      7..0 = type of bridge */
	uint32 type = (transport_type << 15) | (road_rail_type << 8);

	/* The bridge length without ramps. */
	const uint bridge_len = GetTunnelBridgeLength(start, end);

	/* If Ctrl is being pressed, check wether the last bridge built is available
	 * If so, return this bridge type. Otherwise continue normally.
	 * We store bridge types for each transport type, so we have to check for
	 * the transport type beforehand.
	 */
	BridgeType last_bridge_type = 0;
	switch (transport_type) {
		case TRANSPORT_ROAD: last_bridge_type = _last_roadbridge_type; break;
		case TRANSPORT_RAIL: last_bridge_type = _last_railbridge_type; break;
		default: break; // water ways and air routes don't have bridge types
	}
	if (_ctrl_pressed && CheckBridgeAvailability(last_bridge_type, bridge_len).Succeeded()) {
		DoCommandP(end, start, type | last_bridge_type, CMD_BUILD_BRIDGE | CMD_MSG(STR_ERROR_CAN_T_BUILD_BRIDGE_HERE), CcBuildBridge);
		return;
	}

	/* only query bridge building possibility once, result is the same for all bridges!
	 * returns CMD_ERROR on failure, and price on success */
	StringID errmsg = INVALID_STRING_ID;
	CommandCost ret = DoCommand(end, start, type, DC_AUTO | DC_QUERY_COST, CMD_BUILD_BRIDGE);

	GUIBridgeList *bl = NULL;
	if (ret.Failed()) {
		errmsg = ret.GetErrorMessage();
	} else {
		/* check which bridges can be built */
		const uint tot_bridgedata_len = CalcBridgeLenCostFactor(bridge_len + 2);

		bl = new GUIBridgeList();

		Money infra_cost = 0;
		switch (transport_type) {
			case TRANSPORT_ROAD: infra_cost = (bridge_len + 2) * _price[PR_BUILD_ROAD] * 2; break;
			case TRANSPORT_RAIL: infra_cost = (bridge_len + 2) * RailBuildCost((RailType)road_rail_type); break;
			default: break;
		}

		/* loop for all bridgetypes */
		for (BridgeType brd_type = 0; brd_type != MAX_BRIDGES; brd_type++) {
			if (CheckBridgeAvailability(brd_type, bridge_len).Succeeded()) {
				/* bridge is accepted, add to list */
				BuildBridgeData *item = bl->Append();
				item->index = brd_type;
				item->spec = GetBridgeSpec(brd_type);
				/* Add to terraforming & bulldozing costs the cost of the
				 * bridge itself (not computed with DC_QUERY_COST) */
				item->cost = ret.GetCost() + (((int64)tot_bridgedata_len * _price[PR_BUILD_BRIDGE] * item->spec->price) >> 8) + infra_cost;
			}
		}
	}

	if (bl != NULL && bl->Length() != 0) {
		new BuildBridgeWindow(&_build_bridge_desc, start, end, type, bl);
	} else {
		delete bl;
		ShowErrorMessage(STR_ERROR_CAN_T_BUILD_BRIDGE_HERE, errmsg, WL_INFO, TileX(end) * TILE_SIZE, TileY(end) * TILE_SIZE);
	}
}