OpenTTD
misc_gui.cpp
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1 /* $Id: misc_gui.cpp 27995 2018-03-21 19:34:17Z frosch $ */
2 
3 /*
4  * This file is part of OpenTTD.
5  * 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.
6  * 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.
7  * 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/>.
8  */
9 
12 #include "stdafx.h"
13 #include "debug.h"
14 #include "landscape.h"
15 #include "error.h"
16 #include "gui.h"
17 #include "command_func.h"
18 #include "company_func.h"
19 #include "town.h"
20 #include "string_func.h"
21 #include "company_base.h"
22 #include "texteff.hpp"
23 #include "strings_func.h"
24 #include "window_func.h"
25 #include "querystring_gui.h"
26 #include "core/geometry_func.hpp"
27 #include "newgrf_debug.h"
28 #include "zoom_func.h"
29 
30 #include "widgets/misc_widget.h"
31 
32 #include "table/strings.h"
33 
34 #include "safeguards.h"
35 
42 };
43 
44 
45 static const NWidgetPart _nested_land_info_widgets[] = {
47  NWidget(WWT_CLOSEBOX, COLOUR_GREY),
48  NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_LAND_AREA_INFORMATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
49  NWidget(WWT_DEBUGBOX, COLOUR_GREY),
50  EndContainer(),
52 };
53 
54 static WindowDesc _land_info_desc(
55  WDP_AUTO, "land_info", 0, 0,
57  0,
58  _nested_land_info_widgets, lengthof(_nested_land_info_widgets)
59 );
60 
61 class LandInfoWindow : public Window {
65  LAND_INFO_LINE_END,
66  };
67 
68  static const uint LAND_INFO_LINE_BUFF_SIZE = 512;
69 
70 public:
71  char landinfo_data[LAND_INFO_LINE_END][LAND_INFO_LINE_BUFF_SIZE];
72  TileIndex tile;
73 
74  virtual void DrawWidget(const Rect &r, int widget) const
75  {
76  if (widget != WID_LI_BACKGROUND) return;
77 
78  uint y = r.top + WD_TEXTPANEL_TOP;
79  for (uint i = 0; i < LAND_INFO_CENTERED_LINES; i++) {
80  if (StrEmpty(this->landinfo_data[i])) break;
81 
82  DrawString(r.left + WD_FRAMETEXT_LEFT, r.right - WD_FRAMETEXT_RIGHT, y, this->landinfo_data[i], i == 0 ? TC_LIGHT_BLUE : TC_FROMSTRING, SA_HOR_CENTER);
84  if (i == 0) y += 4;
85  }
86 
87  if (!StrEmpty(this->landinfo_data[LAND_INFO_MULTICENTER_LINE])) {
88  SetDParamStr(0, this->landinfo_data[LAND_INFO_MULTICENTER_LINE]);
89  DrawStringMultiLine(r.left + WD_FRAMETEXT_LEFT, r.right - WD_FRAMETEXT_RIGHT, y, r.bottom - WD_TEXTPANEL_BOTTOM, STR_JUST_RAW_STRING, TC_FROMSTRING, SA_CENTER);
90  }
91  }
92 
93  virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
94  {
95  if (widget != WID_LI_BACKGROUND) return;
96 
97  size->height = WD_TEXTPANEL_TOP + WD_TEXTPANEL_BOTTOM;
98  for (uint i = 0; i < LAND_INFO_CENTERED_LINES; i++) {
99  if (StrEmpty(this->landinfo_data[i])) break;
100 
101  uint width = GetStringBoundingBox(this->landinfo_data[i]).width + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT;
102  size->width = max(size->width, width);
103 
104  size->height += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
105  if (i == 0) size->height += 4;
106  }
107 
108  if (!StrEmpty(this->landinfo_data[LAND_INFO_MULTICENTER_LINE])) {
109  uint width = GetStringBoundingBox(this->landinfo_data[LAND_INFO_MULTICENTER_LINE]).width + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT;
110  size->width = max(size->width, min(300u, width));
111  SetDParamStr(0, this->landinfo_data[LAND_INFO_MULTICENTER_LINE]);
112  size->height += GetStringHeight(STR_JUST_RAW_STRING, size->width - WD_FRAMETEXT_LEFT - WD_FRAMETEXT_RIGHT);
113  }
114  }
115 
116  LandInfoWindow(TileIndex tile) : Window(&_land_info_desc), tile(tile)
117  {
118  this->InitNested();
119 
120 #if defined(_DEBUG)
121 # define LANDINFOD_LEVEL 0
122 #else
123 # define LANDINFOD_LEVEL 1
124 #endif
125  DEBUG(misc, LANDINFOD_LEVEL, "TILE: %#x (%i,%i)", tile, TileX(tile), TileY(tile));
126  DEBUG(misc, LANDINFOD_LEVEL, "type = %#x", _m[tile].type);
127  DEBUG(misc, LANDINFOD_LEVEL, "height = %#x", _m[tile].height);
128  DEBUG(misc, LANDINFOD_LEVEL, "m1 = %#x", _m[tile].m1);
129  DEBUG(misc, LANDINFOD_LEVEL, "m2 = %#x", _m[tile].m2);
130  DEBUG(misc, LANDINFOD_LEVEL, "m3 = %#x", _m[tile].m3);
131  DEBUG(misc, LANDINFOD_LEVEL, "m4 = %#x", _m[tile].m4);
132  DEBUG(misc, LANDINFOD_LEVEL, "m5 = %#x", _m[tile].m5);
133  DEBUG(misc, LANDINFOD_LEVEL, "m6 = %#x", _me[tile].m6);
134  DEBUG(misc, LANDINFOD_LEVEL, "m7 = %#x", _me[tile].m7);
135 #undef LANDINFOD_LEVEL
136  }
137 
138  virtual void OnInit()
139  {
141 
142  /* Because build_date is not set yet in every TileDesc, we make sure it is empty */
143  TileDesc td;
144 
146 
147  /* Most tiles have only one owner, but
148  * - drivethrough roadstops can be build on town owned roads (up to 2 owners) and
149  * - roads can have up to four owners (railroad, road, tram, 3rd-roadtype "highway").
150  */
151  td.owner_type[0] = STR_LAND_AREA_INFORMATION_OWNER; // At least one owner is displayed, though it might be "N/A".
152  td.owner_type[1] = STR_NULL; // STR_NULL results in skipping the owner
153  td.owner_type[2] = STR_NULL;
154  td.owner_type[3] = STR_NULL;
155  td.owner[0] = OWNER_NONE;
156  td.owner[1] = OWNER_NONE;
157  td.owner[2] = OWNER_NONE;
158  td.owner[3] = OWNER_NONE;
159 
160  td.station_class = STR_NULL;
161  td.station_name = STR_NULL;
162  td.airport_class = STR_NULL;
163  td.airport_name = STR_NULL;
164  td.airport_tile_name = STR_NULL;
165  td.railtype = STR_NULL;
166  td.rail_speed = 0;
167  td.road_speed = 0;
168 
169  td.grf = NULL;
170 
171  CargoArray acceptance;
172  AddAcceptedCargo(tile, acceptance, NULL);
173  GetTileDesc(tile, &td);
174 
175  uint line_nr = 0;
176 
177  /* Tiletype */
178  SetDParam(0, td.dparam[0]);
179  GetString(this->landinfo_data[line_nr], td.str, lastof(this->landinfo_data[line_nr]));
180  line_nr++;
181 
182  /* Up to four owners */
183  for (uint i = 0; i < 4; i++) {
184  if (td.owner_type[i] == STR_NULL) continue;
185 
186  SetDParam(0, STR_LAND_AREA_INFORMATION_OWNER_N_A);
187  if (td.owner[i] != OWNER_NONE && td.owner[i] != OWNER_WATER) GetNameOfOwner(td.owner[i], tile);
188  GetString(this->landinfo_data[line_nr], td.owner_type[i], lastof(this->landinfo_data[line_nr]));
189  line_nr++;
190  }
191 
192  /* Cost to clear/revenue when cleared */
193  StringID str = STR_LAND_AREA_INFORMATION_COST_TO_CLEAR_N_A;
195  if (c != NULL) {
196  Money old_money = c->money;
197  c->money = INT64_MAX;
198  assert(_current_company == _local_company);
199  CommandCost costclear = DoCommand(tile, 0, 0, DC_NONE, CMD_LANDSCAPE_CLEAR);
200  c->money = old_money;
201  if (costclear.Succeeded()) {
202  Money cost = costclear.GetCost();
203  if (cost < 0) {
204  cost = -cost; // Negate negative cost to a positive revenue
205  str = STR_LAND_AREA_INFORMATION_REVENUE_WHEN_CLEARED;
206  } else {
207  str = STR_LAND_AREA_INFORMATION_COST_TO_CLEAR;
208  }
209  SetDParam(0, cost);
210  }
211  }
212  GetString(this->landinfo_data[line_nr], str, lastof(this->landinfo_data[line_nr]));
213  line_nr++;
214 
215  /* Location */
216  char tmp[16];
217  seprintf(tmp, lastof(tmp), "0x%.4X", tile);
218  SetDParam(0, TileX(tile));
219  SetDParam(1, TileY(tile));
220  SetDParam(2, GetTileZ(tile));
221  SetDParamStr(3, tmp);
222  GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_LANDINFO_COORDS, lastof(this->landinfo_data[line_nr]));
223  line_nr++;
224 
225  /* Local authority */
226  SetDParam(0, STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE);
227  if (t != NULL) {
228  SetDParam(0, STR_TOWN_NAME);
229  SetDParam(1, t->index);
230  }
231  GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY, lastof(this->landinfo_data[line_nr]));
232  line_nr++;
233 
234  /* Build date */
235  if (td.build_date != INVALID_DATE) {
236  SetDParam(0, td.build_date);
237  GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_BUILD_DATE, lastof(this->landinfo_data[line_nr]));
238  line_nr++;
239  }
240 
241  /* Station class */
242  if (td.station_class != STR_NULL) {
243  SetDParam(0, td.station_class);
244  GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_STATION_CLASS, lastof(this->landinfo_data[line_nr]));
245  line_nr++;
246  }
247 
248  /* Station type name */
249  if (td.station_name != STR_NULL) {
250  SetDParam(0, td.station_name);
251  GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_STATION_TYPE, lastof(this->landinfo_data[line_nr]));
252  line_nr++;
253  }
254 
255  /* Airport class */
256  if (td.airport_class != STR_NULL) {
257  SetDParam(0, td.airport_class);
258  GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_AIRPORT_CLASS, lastof(this->landinfo_data[line_nr]));
259  line_nr++;
260  }
261 
262  /* Airport name */
263  if (td.airport_name != STR_NULL) {
264  SetDParam(0, td.airport_name);
265  GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_AIRPORT_NAME, lastof(this->landinfo_data[line_nr]));
266  line_nr++;
267  }
268 
269  /* Airport tile name */
270  if (td.airport_tile_name != STR_NULL) {
272  GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_AIRPORTTILE_NAME, lastof(this->landinfo_data[line_nr]));
273  line_nr++;
274  }
275 
276  /* Rail type name */
277  if (td.railtype != STR_NULL) {
278  SetDParam(0, td.railtype);
279  GetString(this->landinfo_data[line_nr], STR_LANG_AREA_INFORMATION_RAIL_TYPE, lastof(this->landinfo_data[line_nr]));
280  line_nr++;
281  }
282 
283  /* Rail speed limit */
284  if (td.rail_speed != 0) {
285  SetDParam(0, td.rail_speed);
286  GetString(this->landinfo_data[line_nr], STR_LANG_AREA_INFORMATION_RAIL_SPEED_LIMIT, lastof(this->landinfo_data[line_nr]));
287  line_nr++;
288  }
289 
290  /* Road speed limit */
291  if (td.road_speed != 0) {
292  SetDParam(0, td.road_speed);
293  GetString(this->landinfo_data[line_nr], STR_LANG_AREA_INFORMATION_ROAD_SPEED_LIMIT, lastof(this->landinfo_data[line_nr]));
294  line_nr++;
295  }
296 
297  /* NewGRF name */
298  if (td.grf != NULL) {
299  SetDParamStr(0, td.grf);
300  GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_NEWGRF_NAME, lastof(this->landinfo_data[line_nr]));
301  line_nr++;
302  }
303 
304  assert(line_nr < LAND_INFO_CENTERED_LINES);
305 
306  /* Mark last line empty */
307  this->landinfo_data[line_nr][0] = '\0';
308 
309  /* Cargo acceptance is displayed in a extra multiline */
310  char *strp = GetString(this->landinfo_data[LAND_INFO_MULTICENTER_LINE], STR_LAND_AREA_INFORMATION_CARGO_ACCEPTED, lastof(this->landinfo_data[LAND_INFO_MULTICENTER_LINE]));
311  bool found = false;
312 
313  for (CargoID i = 0; i < NUM_CARGO; ++i) {
314  if (acceptance[i] > 0) {
315  /* Add a comma between each item. */
316  if (found) {
317  *strp++ = ',';
318  *strp++ = ' ';
319  }
320  found = true;
321 
322  /* If the accepted value is less than 8, show it in 1/8:ths */
323  if (acceptance[i] < 8) {
324  SetDParam(0, acceptance[i]);
325  SetDParam(1, CargoSpec::Get(i)->name);
326  strp = GetString(strp, STR_LAND_AREA_INFORMATION_CARGO_EIGHTS, lastof(this->landinfo_data[LAND_INFO_MULTICENTER_LINE]));
327  } else {
328  strp = GetString(strp, CargoSpec::Get(i)->name, lastof(this->landinfo_data[LAND_INFO_MULTICENTER_LINE]));
329  }
330  }
331  }
332  if (!found) this->landinfo_data[LAND_INFO_MULTICENTER_LINE][0] = '\0';
333  }
334 
335  virtual bool IsNewGRFInspectable() const
336  {
337  return ::IsNewGRFInspectable(GetGrfSpecFeature(this->tile), this->tile);
338  }
339 
340  virtual void ShowNewGRFInspectWindow() const
341  {
342  ::ShowNewGRFInspectWindow(GetGrfSpecFeature(this->tile), this->tile);
343  }
344 
350  virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
351  {
352  if (!gui_scope) return;
353  switch (data) {
354  case 1:
355  /* ReInit, "debug" sprite might have changed */
356  this->ReInit();
357  break;
358  }
359  }
360 };
361 
367 {
369  new LandInfoWindow(tile);
370 }
371 
372 static const NWidgetPart _nested_about_widgets[] = {
374  NWidget(WWT_CLOSEBOX, COLOUR_GREY),
375  NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_ABOUT_OPENTTD, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
376  EndContainer(),
377  NWidget(WWT_PANEL, COLOUR_GREY), SetPIP(4, 2, 4),
378  NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_ABOUT_ORIGINAL_COPYRIGHT, STR_NULL),
379  NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_ABOUT_VERSION, STR_NULL),
380  NWidget(WWT_FRAME, COLOUR_GREY), SetPadding(0, 5, 1, 5),
381  NWidget(WWT_EMPTY, INVALID_COLOUR, WID_A_SCROLLING_TEXT),
382  EndContainer(),
383  NWidget(WWT_LABEL, COLOUR_GREY, WID_A_WEBSITE), SetDataTip(STR_BLACK_RAW_STRING, STR_NULL),
384  NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_ABOUT_COPYRIGHT_OPENTTD, STR_NULL),
385  EndContainer(),
386 };
387 
388 static WindowDesc _about_desc(
389  WDP_CENTER, NULL, 0, 0,
391  0,
392  _nested_about_widgets, lengthof(_nested_about_widgets)
393 );
394 
395 static const char * const _credits[] = {
396  "Original design by Chris Sawyer",
397  "Original graphics by Simon Foster",
398  "",
399  "The OpenTTD team (in alphabetical order):",
400  " Grzegorz Duczy\xC5\x84ski (adf88) - General coding (since 1.7.2)",
401  " Albert Hofkamp (Alberth) - GUI expert (since 0.7)",
402  " Matthijs Kooijman (blathijs) - Pathfinder-guru, Debian port (since 0.3)",
403  " Ulf Hermann (fonsinchen) - Cargo Distribution (since 1.3)",
404  " Christoph Elsenhans (frosch) - General coding (since 0.6)",
405  " Lo\xC3\xAF""c Guilloux (glx) - General / Windows Expert (since 0.4.5)",
406  " Michael Lutz (michi_cc) - Path based signals (since 0.7)",
407  " Owen Rudge (orudge) - Forum host, OS/2 port (since 0.1)",
408  " Peter Nelson (peter1138) - Spiritual descendant from NewGRF gods (since 0.4.5)",
409  " Ingo von Borstel (planetmaker) - General, Support (since 1.1)",
410  " Remko Bijker (Rubidium) - Lead coder and way more (since 0.4.5)",
411  " Jos\xC3\xA9 Soler (Terkhen) - General coding (since 1.0)",
412  " Leif Linse (Zuu) - AI/Game Script (since 1.2)",
413  "",
414  "Inactive Developers:",
415  " Jean-Fran\xC3\xA7ois Claeys (Belugas) - GUI, NewGRF and more (0.4.5 - 1.0)",
416  " Bjarni Corfitzen (Bjarni) - MacOSX port, coder and vehicles (0.3 - 0.7)",
417  " Victor Fischer (Celestar) - Programming everywhere you need him to (0.3 - 0.6)",
418  " Jaroslav Mazanec (KUDr) - YAPG (Yet Another Pathfinder God) ;) (0.4.5 - 0.6)",
419  " Jonathan Coome (Maedhros) - High priest of the NewGRF Temple (0.5 - 0.6)",
420  " Attila B\xC3\xA1n (MiHaMiX) - Developer WebTranslator 1 and 2 (0.3 - 0.5)",
421  " Zden\xC4\x9Bk Sojka (SmatZ) - Bug finder and fixer (0.6 - 1.3)",
422  " Christoph Mallon (Tron) - Programmer, code correctness police (0.3 - 0.5)",
423  " Patric Stout (TrueBrain) - NoAI, NoGo, Network (0.3 - 1.2), sys op (active)",
424  " Thijs Marinussen (Yexo) - AI Framework, General (0.6 - 1.3)",
425  "",
426  "Retired Developers:",
427  " Tam\xC3\xA1s Farag\xC3\xB3 (Darkvater) - Ex-Lead coder (0.3 - 0.5)",
428  " Dominik Scherer (dominik81) - Lead programmer, GUI expert (0.3 - 0.3)",
429  " Emil Djupfeld (egladil) - MacOSX (0.4.5 - 0.6)",
430  " Simon Sasburg (HackyKid) - Many bugfixes (0.4 - 0.4.5)",
431  " Ludvig Strigeus (ludde) - Original author of OpenTTD, main coder (0.1 - 0.3)",
432  " Cian Duffy (MYOB) - BeOS port / manual writing (0.1 - 0.3)",
433  " Petr Baudi\xC5\xA1 (pasky) - Many patches, NewGRF support (0.3 - 0.3)",
434  " Benedikt Br\xC3\xBCggemeier (skidd13) - Bug fixer and code reworker (0.6 - 0.7)",
435  " Serge Paquet (vurlix) - 2nd contributor after ludde (0.1 - 0.3)",
436  "",
437  "Special thanks go out to:",
438  " Josef Drexler - For his great work on TTDPatch",
439  " Marcin Grzegorczyk - Track foundations and for describing TTD internals",
440  " Stefan Mei\xC3\x9Fner (sign_de) - For his work on the console",
441  " Mike Ragsdale - OpenTTD installer",
442  " Christian Rosentreter (tokai) - MorphOS / AmigaOS port",
443  " Richard Kempton (richK) - additional airports, initial TGP implementation",
444  " Emperor Jake - titlegame",
445  "",
446  " Alberto Demichelis - Squirrel scripting language \xC2\xA9 2003-2008",
447  " L. Peter Deutsch - MD5 implementation \xC2\xA9 1999, 2000, 2002",
448  " Michael Blunck - Pre-signals and semaphores \xC2\xA9 2003",
449  " George - Canal/Lock graphics \xC2\xA9 2003-2004",
450  " Andrew Parkhouse (andythenorth) - River graphics",
451  " David Dallaston (Pikka) - Tram tracks",
452  " All Translators - Who made OpenTTD a truly international game",
453  " Bug Reporters - Without whom OpenTTD would still be full of bugs!",
454  "",
455  "",
456  "And last but not least:",
457  " Chris Sawyer - For an amazing game!"
458 };
459 
460 struct AboutWindow : public Window {
462  byte counter;
464  static const int num_visible_lines = 19;
465 
466  AboutWindow() : Window(&_about_desc)
467  {
469 
470  this->counter = 5;
471  this->text_position = this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->pos_y + this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->current_y;
472  }
473 
474  virtual void SetStringParameters(int widget) const
475  {
476  if (widget == WID_A_WEBSITE) SetDParamStr(0, "Website: http://www.openttd.org");
477  }
478 
479  virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
480  {
481  if (widget != WID_A_SCROLLING_TEXT) return;
482 
484 
485  Dimension d;
486  d.height = this->line_height * num_visible_lines;
487 
488  d.width = 0;
489  for (uint i = 0; i < lengthof(_credits); i++) {
490  d.width = max(d.width, GetStringBoundingBox(_credits[i]).width);
491  }
492  *size = maxdim(*size, d);
493  }
494 
495  virtual void DrawWidget(const Rect &r, int widget) const
496  {
497  if (widget != WID_A_SCROLLING_TEXT) return;
498 
499  int y = this->text_position;
500 
501  /* Show all scrolling _credits */
502  for (uint i = 0; i < lengthof(_credits); i++) {
503  if (y >= r.top + 7 && y < r.bottom - this->line_height) {
504  DrawString(r.left, r.right, y, _credits[i], TC_BLACK, SA_LEFT | SA_FORCE);
505  }
506  y += this->line_height;
507  }
508  }
509 
510  virtual void OnTick()
511  {
512  if (--this->counter == 0) {
513  this->counter = 5;
514  this->text_position--;
515  /* If the last text has scrolled start a new from the start */
516  if (this->text_position < (int)(this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->pos_y - lengthof(_credits) * this->line_height)) {
517  this->text_position = this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->pos_y + this->GetWidget<NWidgetBase>(WID_A_SCROLLING_TEXT)->current_y;
518  }
519  this->SetDirty();
520  }
521  }
522 };
523 
524 void ShowAboutWindow()
525 {
527  new AboutWindow();
528 }
529 
536 void ShowEstimatedCostOrIncome(Money cost, int x, int y)
537 {
538  StringID msg = STR_MESSAGE_ESTIMATED_COST;
539 
540  if (cost < 0) {
541  cost = -cost;
542  msg = STR_MESSAGE_ESTIMATED_INCOME;
543  }
544  SetDParam(0, cost);
546 }
547 
555 void ShowCostOrIncomeAnimation(int x, int y, int z, Money cost)
556 {
557  Point pt = RemapCoords(x, y, z);
558  StringID msg = STR_INCOME_FLOAT_COST;
559 
560  if (cost < 0) {
561  cost = -cost;
562  msg = STR_INCOME_FLOAT_INCOME;
563  }
564  SetDParam(0, cost);
565  AddTextEffect(msg, pt.x, pt.y, DAY_TICKS, TE_RISING);
566 }
567 
576 void ShowFeederIncomeAnimation(int x, int y, int z, Money transfer, Money income)
577 {
578  Point pt = RemapCoords(x, y, z);
579 
580  SetDParam(0, transfer);
581  if (income == 0) {
582  AddTextEffect(STR_FEEDER, pt.x, pt.y, DAY_TICKS, TE_RISING);
583  } else {
584  StringID msg = STR_FEEDER_COST;
585  if (income < 0) {
586  income = -income;
587  msg = STR_FEEDER_INCOME;
588  }
589  SetDParam(1, income);
590  AddTextEffect(msg, pt.x, pt.y, DAY_TICKS, TE_RISING);
591  }
592 }
593 
603 TextEffectID ShowFillingPercent(int x, int y, int z, uint8 percent, StringID string)
604 {
605  Point pt = RemapCoords(x, y, z);
606 
607  assert(string != STR_NULL);
608 
609  SetDParam(0, percent);
610  return AddTextEffect(string, pt.x, pt.y, 0, TE_STATIC);
611 }
612 
618 void UpdateFillingPercent(TextEffectID te_id, uint8 percent, StringID string)
619 {
620  assert(string != STR_NULL);
621 
622  SetDParam(0, percent);
623  UpdateTextEffect(te_id, string);
624 }
625 
630 void HideFillingPercent(TextEffectID *te_id)
631 {
632  if (*te_id == INVALID_TE_ID) return;
633 
634  RemoveTextEffect(*te_id);
635  *te_id = INVALID_TE_ID;
636 }
637 
638 static const NWidgetPart _nested_tooltips_widgets[] = {
639  NWidget(WWT_PANEL, COLOUR_GREY, WID_TT_BACKGROUND), SetMinimalSize(200, 32), EndContainer(),
640 };
641 
642 static WindowDesc _tool_tips_desc(
643  WDP_MANUAL, NULL, 0, 0, // Coordinates and sizes are not used,
645  WDF_NO_FOCUS,
646  _nested_tooltips_widgets, lengthof(_nested_tooltips_widgets)
647 );
648 
650 struct TooltipsWindow : public Window
651 {
653  byte paramcount;
654  uint64 params[5];
655  TooltipCloseCondition close_cond;
656 
657  TooltipsWindow(Window *parent, StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_tooltip) : Window(&_tool_tips_desc)
658  {
659  this->parent = parent;
660  this->string_id = str;
661  assert_compile(sizeof(this->params[0]) == sizeof(params[0]));
662  assert(paramcount <= lengthof(this->params));
663  memcpy(this->params, params, sizeof(this->params[0]) * paramcount);
664  this->paramcount = paramcount;
665  this->close_cond = close_tooltip;
666 
667  this->InitNested();
668 
669  CLRBITS(this->flags, WF_WHITE_BORDER);
670  }
671 
672  virtual Point OnInitialPosition(int16 sm_width, int16 sm_height, int window_number)
673  {
674  /* Find the free screen space between the main toolbar at the top, and the statusbar at the bottom.
675  * Add a fixed distance 2 so the tooltip floats free from both bars.
676  */
677  int scr_top = GetMainViewTop() + 2;
678  int scr_bot = GetMainViewBottom() - 2;
679 
680  Point pt;
681 
682  /* Correctly position the tooltip position, watch out for window and cursor size
683  * Clamp value to below main toolbar and above statusbar. If tooltip would
684  * go below window, flip it so it is shown above the cursor */
685  pt.y = Clamp(_cursor.pos.y + _cursor.total_size.y + _cursor.total_offs.y + 5, scr_top, scr_bot);
686  if (pt.y + sm_height > scr_bot) pt.y = min(_cursor.pos.y + _cursor.total_offs.y - 5, scr_bot) - sm_height;
687  pt.x = sm_width >= _screen.width ? 0 : Clamp(_cursor.pos.x - (sm_width >> 1), 0, _screen.width - sm_width);
688 
689  return pt;
690  }
691 
692  virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
693  {
694  /* There is only one widget. */
695  for (uint i = 0; i != this->paramcount; i++) SetDParam(i, this->params[i]);
696 
697  size->width = min(GetStringBoundingBox(this->string_id).width, ScaleGUITrad(194));
698  size->height = GetStringHeight(this->string_id, size->width);
699 
700  /* Increase slightly to have some space around the box. */
701  size->width += 2 + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
702  size->height += 2 + WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
703  }
704 
705  virtual void DrawWidget(const Rect &r, int widget) const
706  {
707  /* There is only one widget. */
708  GfxFillRect(r.left, r.top, r.right, r.bottom, PC_BLACK);
709  GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_LIGHT_YELLOW);
710 
711  for (uint arg = 0; arg < this->paramcount; arg++) {
712  SetDParam(arg, this->params[arg]);
713  }
714  DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, r.bottom - WD_FRAMERECT_BOTTOM, this->string_id, TC_FROMSTRING, SA_CENTER);
715  }
716 
717  virtual void OnMouseLoop()
718  {
719  /* Always close tooltips when the cursor is not in our window. */
720  if (!_cursor.in_window) {
721  delete this;
722  return;
723  }
724 
725  /* We can show tooltips while dragging tools. These are shown as long as
726  * we are dragging the tool. Normal tooltips work with hover or rmb. */
727  switch (this->close_cond) {
728  case TCC_RIGHT_CLICK: if (!_right_button_down) delete this; break;
729  case TCC_LEFT_CLICK: if (!_left_button_down) delete this; break;
730  case TCC_HOVER: if (!_mouse_hovering) delete this; break;
731  }
732  }
733 };
734 
743 void GuiShowTooltips(Window *parent, StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_tooltip)
744 {
746 
747  if (str == STR_NULL) return;
748 
749  new TooltipsWindow(parent, str, paramcount, params, close_tooltip);
750 }
751 
752 void QueryString::HandleEditBox(Window *w, int wid)
753 {
754  if (w->IsWidgetGloballyFocused(wid) && this->text.HandleCaret()) {
755  w->SetWidgetDirty(wid);
756 
757  /* For the OSK also invalidate the parent window */
758  if (w->window_class == WC_OSK) w->InvalidateData();
759  }
760 }
761 
762 void QueryString::DrawEditBox(const Window *w, int wid) const
763 {
764  const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);
765 
766  assert((wi->type & WWT_MASK) == WWT_EDITBOX);
767 
768  bool rtl = _current_text_dir == TD_RTL;
769  Dimension sprite_size = GetSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
770  int clearbtn_width = sprite_size.width + WD_IMGBTN_LEFT + WD_IMGBTN_RIGHT;
771 
772  int clearbtn_left = wi->pos_x + (rtl ? 0 : wi->current_x - clearbtn_width);
773  int clearbtn_right = wi->pos_x + (rtl ? clearbtn_width : wi->current_x) - 1;
774  int left = wi->pos_x + (rtl ? clearbtn_width : 0);
775  int right = wi->pos_x + (rtl ? wi->current_x : wi->current_x - clearbtn_width) - 1;
776 
777  int top = wi->pos_y;
778  int bottom = wi->pos_y + wi->current_y - 1;
779 
780  DrawFrameRect(clearbtn_left, top, clearbtn_right, bottom, wi->colour, wi->IsLowered() ? FR_LOWERED : FR_NONE);
781  DrawSprite(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT, PAL_NONE, clearbtn_left + WD_IMGBTN_LEFT + (wi->IsLowered() ? 1 : 0), (top + bottom - sprite_size.height) / 2 + (wi->IsLowered() ? 1 : 0));
782  if (this->text.bytes == 1) GfxFillRect(clearbtn_left + 1, top + 1, clearbtn_right - 1, bottom - 1, _colour_gradient[wi->colour & 0xF][2], FILLRECT_CHECKER);
783 
784  DrawFrameRect(left, top, right, bottom, wi->colour, FR_LOWERED | FR_DARKENED);
785  GfxFillRect(left + 1, top + 1, right - 1, bottom - 1, PC_BLACK);
786 
787  /* Limit the drawing of the string inside the widget boundaries */
788  DrawPixelInfo dpi;
789  if (!FillDrawPixelInfo(&dpi, left + WD_FRAMERECT_LEFT, top + WD_FRAMERECT_TOP, right - left - WD_FRAMERECT_RIGHT, bottom - top - WD_FRAMERECT_BOTTOM)) return;
790 
791  DrawPixelInfo *old_dpi = _cur_dpi;
792  _cur_dpi = &dpi;
793 
794  /* We will take the current widget length as maximum width, with a small
795  * space reserved at the end for the caret to show */
796  const Textbuf *tb = &this->text;
797  int delta = min(0, (right - left) - tb->pixels - 10);
798 
799  if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;
800 
801  /* If we have a marked area, draw a background highlight. */
802  if (tb->marklength != 0) GfxFillRect(delta + tb->markxoffs, 0, delta + tb->markxoffs + tb->marklength - 1, bottom - top, PC_GREY);
803 
804  DrawString(delta, tb->pixels, 0, tb->buf, TC_YELLOW);
805  bool focussed = w->IsWidgetGloballyFocused(wid) || IsOSKOpenedFor(w, wid);
806  if (focussed && tb->caret) {
807  int caret_width = GetStringBoundingBox("_").width;
808  DrawString(tb->caretxoffs + delta, tb->caretxoffs + delta + caret_width, 0, "_", TC_WHITE);
809  }
810 
811  _cur_dpi = old_dpi;
812 }
813 
821 {
822  const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);
823 
824  assert((wi->type & WWT_MASK) == WWT_EDITBOX);
825 
826  bool rtl = _current_text_dir == TD_RTL;
827  Dimension sprite_size = GetSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
828  int clearbtn_width = sprite_size.width + WD_IMGBTN_LEFT + WD_IMGBTN_RIGHT;
829 
830  int left = wi->pos_x + (rtl ? clearbtn_width : 0);
831  int right = wi->pos_x + (rtl ? wi->current_x : wi->current_x - clearbtn_width) - 1;
832 
833  /* Clamp caret position to be inside out current width. */
834  const Textbuf *tb = &this->text;
835  int delta = min(0, (right - left) - tb->pixels - 10);
836  if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;
837 
838  Point pt = {left + WD_FRAMERECT_LEFT + tb->caretxoffs + delta, (int)wi->pos_y + WD_FRAMERECT_TOP};
839  return pt;
840 }
841 
850 Rect QueryString::GetBoundingRect(const Window *w, int wid, const char *from, const char *to) const
851 {
852  const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);
853 
854  assert((wi->type & WWT_MASK) == WWT_EDITBOX);
855 
856  bool rtl = _current_text_dir == TD_RTL;
857  Dimension sprite_size = GetSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
858  int clearbtn_width = sprite_size.width + WD_IMGBTN_LEFT + WD_IMGBTN_RIGHT;
859 
860  int left = wi->pos_x + (rtl ? clearbtn_width : 0);
861  int right = wi->pos_x + (rtl ? wi->current_x : wi->current_x - clearbtn_width) - 1;
862 
863  int top = wi->pos_y + WD_FRAMERECT_TOP;
864  int bottom = wi->pos_y + wi->current_y - 1 - WD_FRAMERECT_BOTTOM;
865 
866  /* Clamp caret position to be inside our current width. */
867  const Textbuf *tb = &this->text;
868  int delta = min(0, (right - left) - tb->pixels - 10);
869  if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;
870 
871  /* Get location of first and last character. */
872  Point p1 = GetCharPosInString(tb->buf, from, FS_NORMAL);
873  Point p2 = from != to ? GetCharPosInString(tb->buf, to, FS_NORMAL) : p1;
874 
875  Rect r = { Clamp(left + p1.x + delta + WD_FRAMERECT_LEFT, left, right), top, Clamp(left + p2.x + delta + WD_FRAMERECT_LEFT, left, right - WD_FRAMERECT_RIGHT), bottom };
876 
877  return r;
878 }
879 
887 const char *QueryString::GetCharAtPosition(const Window *w, int wid, const Point &pt) const
888 {
889  const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);
890 
891  assert((wi->type & WWT_MASK) == WWT_EDITBOX);
892 
893  bool rtl = _current_text_dir == TD_RTL;
894  Dimension sprite_size = GetSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
895  int clearbtn_width = sprite_size.width + WD_IMGBTN_LEFT + WD_IMGBTN_RIGHT;
896 
897  int left = wi->pos_x + (rtl ? clearbtn_width : 0);
898  int right = wi->pos_x + (rtl ? wi->current_x : wi->current_x - clearbtn_width) - 1;
899 
900  int top = wi->pos_y + WD_FRAMERECT_TOP;
901  int bottom = wi->pos_y + wi->current_y - 1 - WD_FRAMERECT_BOTTOM;
902 
903  if (!IsInsideMM(pt.y, top, bottom)) return NULL;
904 
905  /* Clamp caret position to be inside our current width. */
906  const Textbuf *tb = &this->text;
907  int delta = min(0, (right - left) - tb->pixels - 10);
908  if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;
909 
910  return ::GetCharAtPosition(tb->buf, pt.x - delta - left);
911 }
912 
913 void QueryString::ClickEditBox(Window *w, Point pt, int wid, int click_count, bool focus_changed)
914 {
915  const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);
916 
917  assert((wi->type & WWT_MASK) == WWT_EDITBOX);
918 
919  bool rtl = _current_text_dir == TD_RTL;
920  int clearbtn_width = GetSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT).width;
921 
922  int clearbtn_left = wi->pos_x + (rtl ? 0 : wi->current_x - clearbtn_width);
923 
924  if (IsInsideBS(pt.x, clearbtn_left, clearbtn_width)) {
925  if (this->text.bytes > 1) {
926  this->text.DeleteAll();
927  w->HandleButtonClick(wid);
928  w->OnEditboxChanged(wid);
929  }
930  return;
931  }
932 
934  (!focus_changed || _settings_client.gui.osk_activation == OSKA_IMMEDIATELY) &&
935  (click_count == 2 || _settings_client.gui.osk_activation != OSKA_DOUBLE_CLICK)) {
936  /* Open the OSK window */
937  ShowOnScreenKeyboard(w, wid);
938  }
939 }
940 
942 struct QueryStringWindow : public Window
943 {
946 
947  QueryStringWindow(StringID str, StringID caption, uint max_bytes, uint max_chars, WindowDesc *desc, Window *parent, CharSetFilter afilter, QueryStringFlags flags) :
948  Window(desc), editbox(max_bytes, max_chars)
949  {
950  char *last_of = &this->editbox.text.buf[this->editbox.text.max_bytes - 1];
951  GetString(this->editbox.text.buf, str, last_of);
952  str_validate(this->editbox.text.buf, last_of, SVS_NONE);
953 
954  /* Make sure the name isn't too long for the text buffer in the number of
955  * characters (not bytes). max_chars also counts the '\0' characters. */
956  while (Utf8StringLength(this->editbox.text.buf) + 1 > this->editbox.text.max_chars) {
957  *Utf8PrevChar(this->editbox.text.buf + strlen(this->editbox.text.buf)) = '\0';
958  }
959 
960  this->editbox.text.UpdateSize();
961 
962  if ((flags & QSF_ACCEPT_UNCHANGED) == 0) this->editbox.orig = stredup(this->editbox.text.buf);
963 
964  this->querystrings[WID_QS_TEXT] = &this->editbox;
965  this->editbox.caption = caption;
967  this->editbox.ok_button = WID_QS_OK;
968  this->editbox.text.afilter = afilter;
969  this->flags = flags;
970 
972 
973  this->parent = parent;
974 
976  }
977 
978  virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
979  {
980  if (widget == WID_QS_DEFAULT && (this->flags & QSF_ENABLE_DEFAULT) == 0) {
981  /* We don't want this widget to show! */
982  fill->width = 0;
983  resize->width = 0;
984  size->width = 0;
985  }
986  }
987 
988  virtual void SetStringParameters(int widget) const
989  {
990  if (widget == WID_QS_CAPTION) SetDParam(0, this->editbox.caption);
991  }
992 
993  void OnOk()
994  {
995  if (this->editbox.orig == NULL || strcmp(this->editbox.text.buf, this->editbox.orig) != 0) {
996  /* If the parent is NULL, the editbox is handled by general function
997  * HandleOnEditText */
998  if (this->parent != NULL) {
999  this->parent->OnQueryTextFinished(this->editbox.text.buf);
1000  } else {
1001  HandleOnEditText(this->editbox.text.buf);
1002  }
1003  this->editbox.handled = true;
1004  }
1005  }
1006 
1007  virtual void OnClick(Point pt, int widget, int click_count)
1008  {
1009  switch (widget) {
1010  case WID_QS_DEFAULT:
1011  this->editbox.text.DeleteAll();
1012  FALLTHROUGH;
1013 
1014  case WID_QS_OK:
1015  this->OnOk();
1016  FALLTHROUGH;
1017 
1018  case WID_QS_CANCEL:
1019  delete this;
1020  break;
1021  }
1022  }
1023 
1025  {
1026  if (!this->editbox.handled && this->parent != NULL) {
1027  Window *parent = this->parent;
1028  this->parent = NULL; // so parent doesn't try to delete us again
1029  parent->OnQueryTextFinished(NULL);
1030  }
1031  }
1032 };
1033 
1034 static const NWidgetPart _nested_query_string_widgets[] = {
1036  NWidget(WWT_CLOSEBOX, COLOUR_GREY),
1037  NWidget(WWT_CAPTION, COLOUR_GREY, WID_QS_CAPTION), SetDataTip(STR_WHITE_STRING, STR_NULL),
1038  EndContainer(),
1039  NWidget(WWT_PANEL, COLOUR_GREY),
1040  NWidget(WWT_EDITBOX, COLOUR_GREY, WID_QS_TEXT), SetMinimalSize(256, 12), SetFill(1, 1), SetPadding(2, 2, 2, 2),
1041  EndContainer(),
1043  NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_QS_DEFAULT), SetMinimalSize(87, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_DEFAULT, STR_NULL),
1044  NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_QS_CANCEL), SetMinimalSize(86, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_CANCEL, STR_NULL),
1045  NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_QS_OK), SetMinimalSize(87, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_OK, STR_NULL),
1046  EndContainer(),
1047 };
1048 
1049 static WindowDesc _query_string_desc(
1050  WDP_CENTER, "query_string", 0, 0,
1052  0,
1053  _nested_query_string_widgets, lengthof(_nested_query_string_widgets)
1054 );
1055 
1066 void ShowQueryString(StringID str, StringID caption, uint maxsize, Window *parent, CharSetFilter afilter, QueryStringFlags flags)
1067 {
1069  new QueryStringWindow(str, caption, ((flags & QSF_LEN_IN_CHARS) ? MAX_CHAR_LENGTH : 1) * maxsize, maxsize, &_query_string_desc, parent, afilter, flags);
1070 }
1071 
1075 struct QueryWindow : public Window {
1077  uint64 params[10];
1080 
1082  {
1083  /* Create a backup of the variadic arguments to strings because it will be
1084  * overridden pretty often. We will copy these back for drawing */
1085  CopyOutDParam(this->params, 0, lengthof(this->params));
1086  this->caption = caption;
1087  this->message = message;
1088  this->proc = callback;
1089 
1091 
1092  this->parent = parent;
1093  this->left = parent->left + (parent->width / 2) - (this->width / 2);
1094  this->top = parent->top + (parent->height / 2) - (this->height / 2);
1095  }
1096 
1097  ~QueryWindow()
1098  {
1099  if (this->proc != NULL) this->proc(this->parent, false);
1100  }
1101 
1102  virtual void SetStringParameters(int widget) const
1103  {
1104  switch (widget) {
1105  case WID_Q_CAPTION:
1106  CopyInDParam(1, this->params, lengthof(this->params));
1107  SetDParam(0, this->caption);
1108  break;
1109 
1110  case WID_Q_TEXT:
1111  CopyInDParam(0, this->params, lengthof(this->params));
1112  break;
1113  }
1114  }
1115 
1116  virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
1117  {
1118  if (widget != WID_Q_TEXT) return;
1119 
1122  d.height += WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
1123  *size = d;
1124  }
1125 
1126  virtual void DrawWidget(const Rect &r, int widget) const
1127  {
1128  if (widget != WID_Q_TEXT) return;
1129 
1131  this->message, TC_FROMSTRING, SA_CENTER);
1132  }
1133 
1134  virtual void OnClick(Point pt, int widget, int click_count)
1135  {
1136  switch (widget) {
1137  case WID_Q_YES: {
1138  /* in the Generate New World window, clicking 'Yes' causes
1139  * DeleteNonVitalWindows() to be called - we shouldn't be in a window then */
1140  QueryCallbackProc *proc = this->proc;
1141  Window *parent = this->parent;
1142  /* Prevent the destructor calling the callback function */
1143  this->proc = NULL;
1144  delete this;
1145  if (proc != NULL) {
1146  proc(parent, true);
1147  proc = NULL;
1148  }
1149  break;
1150  }
1151  case WID_Q_NO:
1152  delete this;
1153  break;
1154  }
1155  }
1156 
1157  virtual EventState OnKeyPress(WChar key, uint16 keycode)
1158  {
1159  /* ESC closes the window, Enter confirms the action */
1160  switch (keycode) {
1161  case WKC_RETURN:
1162  case WKC_NUM_ENTER:
1163  if (this->proc != NULL) {
1164  this->proc(this->parent, true);
1165  this->proc = NULL;
1166  }
1167  FALLTHROUGH;
1168 
1169  case WKC_ESC:
1170  delete this;
1171  return ES_HANDLED;
1172  }
1173  return ES_NOT_HANDLED;
1174  }
1175 };
1176 
1177 static const NWidgetPart _nested_query_widgets[] = {
1179  NWidget(WWT_CLOSEBOX, COLOUR_RED),
1180  NWidget(WWT_CAPTION, COLOUR_RED, WID_Q_CAPTION), SetDataTip(STR_JUST_STRING, STR_NULL),
1181  EndContainer(),
1182  NWidget(WWT_PANEL, COLOUR_RED), SetPIP(8, 15, 8),
1183  NWidget(WWT_TEXT, COLOUR_RED, WID_Q_TEXT), SetMinimalSize(200, 12),
1184  NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(20, 29, 20),
1185  NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_Q_NO), SetMinimalSize(71, 12), SetFill(1, 1), SetDataTip(STR_QUIT_NO, STR_NULL),
1186  NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_Q_YES), SetMinimalSize(71, 12), SetFill(1, 1), SetDataTip(STR_QUIT_YES, STR_NULL),
1187  EndContainer(),
1188  EndContainer(),
1189 };
1190 
1191 static WindowDesc _query_desc(
1192  WDP_CENTER, NULL, 0, 0,
1194  WDF_MODAL,
1195  _nested_query_widgets, lengthof(_nested_query_widgets)
1196 );
1197 
1207 void ShowQuery(StringID caption, StringID message, Window *parent, QueryCallbackProc *callback)
1208 {
1209  if (parent == NULL) parent = FindWindowById(WC_MAIN_WINDOW, 0);
1210 
1211  const Window *w;
1212  FOR_ALL_WINDOWS_FROM_BACK(w) {
1213  if (w->window_class != WC_CONFIRM_POPUP_QUERY) continue;
1214 
1215  const QueryWindow *qw = (const QueryWindow *)w;
1216  if (qw->parent != parent || qw->proc != callback) continue;
1217 
1218  delete qw;
1219  break;
1220  }
1221 
1222  new QueryWindow(&_query_desc, caption, message, parent, callback);
1223 }