src/autoreplace_gui.cpp

   1 /*
   2  * This file is part of OpenTTD.
   3  * 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.
   4  * 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.
   5  * 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/>.
   6  */
   7
   8 /** @file autoreplace_gui.cpp GUI for autoreplace handling. */
   9
  10 #include "stdafx.h"
  11 #include "command_func.h"
  12 #include "vehicle_gui.h"
  13 #include "newgrf_engine.h"
  14 #include "rail.h"
  15 #include "road.h"
  16 #include "strings_func.h"
  17 #include "window_func.h"
  18 #include "autoreplace_func.h"
  19 #include "company_func.h"
  20 #include "engine_base.h"
  21 #include "window_gui.h"
  22 #include "engine_gui.h"
  23 #include "settings_func.h"
  24 #include "core/geometry_func.hpp"
  25 #include "rail_gui.h"
  26 #include "road_gui.h"
  27 #include "dropdown_type.h"
  28 #include "dropdown_func.h"
  29 #include "autoreplace_cmd.h"
  30 #include "group_cmd.h"
  31 #include "settings_cmd.h"
  32
  33 #include "widgets/autoreplace_widget.h"
  34
  35 #include "safeguards.h"
  36
  37 static bool EngineNumberSorter(const GUIEngineListItem &a, const GUIEngineListItem &b)
  38 {
  39         return Engine::Get(a.engine_id)->list_position < Engine::Get(b.engine_id)->list_position;
  40 }
  41
  42 /**
  43  * Rebuild the left autoreplace list if an engine is removed or added
  44  * @param e Engine to check if it is removed or added
  45  * @param id_g The group the engine belongs to
  46  *  Note: this function only works if it is called either
  47  *   - when a new vehicle is build, but before it's counted in num_engines
  48  *   - when a vehicle is deleted and after it's subtracted from num_engines
  49  *   - when not changing the count (used when changing replace orders)
  50  */
  51 void InvalidateAutoreplaceWindow(EngineID e, GroupID id_g)
  52 {
  53         if (GetGroupNumEngines(_local_company, id_g, e) == 0 || GetGroupNumEngines(_local_company, ALL_GROUP, e) == 0) {
  54                 /* We don't have any of this engine type.
  55                  * Either we just sold the last one, we build a new one or we stopped replacing it.
  56                  * In all cases, we need to update the left list */
  57                 InvalidateWindowData(WC_REPLACE_VEHICLE, Engine::Get(e)->type, 1);
  58         }
  59 }
  60
  61 /**
  62  * When an engine is made buildable or is removed from being buildable, add/remove it from the build/autoreplace lists
  63  * @param type The type of engine
  64  */
  65 void AddRemoveEngineFromAutoreplaceAndBuildWindows(VehicleType type)
  66 {
  67         InvalidateWindowData(WC_REPLACE_VEHICLE, type, 0); // Update the autoreplace window
  68         InvalidateWindowClassesData(WC_BUILD_VEHICLE); // The build windows needs updating as well
  69 }
  70
  71 static const StringID _start_replace_dropdown[] = {
  72         STR_REPLACE_VEHICLES_NOW,
  73         STR_REPLACE_VEHICLES_WHEN_OLD,
  74 };
  75
  76 /**
  77  * Window for the autoreplacing of vehicles.
  78  */
  79 class ReplaceVehicleWindow : public Window {
  80         EngineID sel_engine[2];       ///< Selected engine left and right.
  81         GUIEngineList engines[2];     ///< Left and right list of engines.
  82         bool replace_engines;         ///< If \c true, engines are replaced, if \c false, wagons are replaced (only for trains).
  83         bool reset_sel_engine;        ///< Also reset #sel_engine while updating left and/or right and no valid engine selected.
  84         GroupID sel_group;            ///< Group selected to replace.
  85         int details_height;           ///< Minimal needed height of the details panels, in text lines (found so far).
  86         uint8_t sort_criteria;           ///< Criteria of sorting vehicles.
  87         bool descending_sort_order;   ///< Order of sorting vehicles.
  88         bool show_hidden_engines;     ///< Whether to show the hidden engines.
  89         RailType sel_railtype;        ///< Type of rail tracks selected. #INVALID_RAILTYPE to show all.
  90         RoadType sel_roadtype;        ///< Type of road selected. #INVALID_ROADTYPE to show all.
  91         Scrollbar *vscroll[2];
  92
  93         /**
  94          * Figure out if an engine should be added to a list.
  95          * @param e            The EngineID.
  96          * @param draw_left    If \c true, the left list is drawn (the engines specific to the railtype you selected).
  97          * @param show_engines If \c true, the locomotives are drawn, else the wagons are drawn (never both).
  98          * @return \c true if the engine should be in the list (based on this check), else \c false.
  99          */
 100         bool GenerateReplaceRailList(EngineID e, bool draw_left, bool show_engines)
 101         {
 102                 const RailVehicleInfo *rvi = RailVehInfo(e);
 103
 104                 /* Ensure that the wagon/engine selection fits the engine. */
 105                 if ((rvi->railveh_type == RAILVEH_WAGON) == show_engines) return false;
 106
 107                 if (draw_left && this->sel_railtype != INVALID_RAILTYPE) {
 108                         /* Ensure that the railtype is specific to the selected one */
 109                         if (rvi->railtype != this->sel_railtype) return false;
 110                 }
 111                 return true;
 112         }
 113
 114         /**
 115          * Generate an engines list
 116          * @param draw_left true if generating the left list, otherwise false
 117          */
 118         void GenerateReplaceVehList(bool draw_left)
 119         {
 120                 std::vector<EngineID> variants;
 121                 EngineID selected_engine = INVALID_ENGINE;
 122                 VehicleType type = (VehicleType)this->window_number;
 123                 uint8_t side = draw_left ? 0 : 1;
 124
 125                 GUIEngineList list;
 126
 127                 for (const Engine *e : Engine::IterateType(type)) {
 128                         if (!draw_left && !this->show_hidden_engines && e->IsVariantHidden(_local_company)) continue;
 129                         EngineID eid = e->index;
 130                         switch (type) {
 131                                 case VEH_TRAIN:
 132                                         if (!this->GenerateReplaceRailList(eid, draw_left, this->replace_engines)) continue; // special rules for trains
 133                                         break;
 134
 135                                 case VEH_ROAD:
 136                                         if (draw_left && this->sel_roadtype != INVALID_ROADTYPE) {
 137                                                 /* Ensure that the roadtype is specific to the selected one */
 138                                                 if (e->u.road.roadtype != this->sel_roadtype) continue;
 139                                         }
 140                                         break;
 141
 142                                 default:
 143                                         break;
 144                         }
 145
 146                         if (draw_left) {
 147                                 const uint num_engines = GetGroupNumEngines(_local_company, this->sel_group, eid);
 148
 149                                 /* Skip drawing the engines we don't have any of and haven't set for replacement */
 150                                 if (num_engines == 0 && EngineReplacementForCompany(Company::Get(_local_company), eid, this->sel_group) == INVALID_ENGINE) continue;
 151                         } else {
 152                                 if (!CheckAutoreplaceValidity(this->sel_engine[0], eid, _local_company)) continue;
 153                         }
 154
 155                         list.emplace_back(eid, e->info.variant_id, (side == 0) ? EngineDisplayFlags::None : e->display_flags, 0);
 156
 157                         if (side == 1) {
 158                                 EngineID parent = e->info.variant_id;
 159                                 while (parent != INVALID_ENGINE) {
 160                                         variants.push_back(parent);
 161                                         parent = Engine::Get(parent)->info.variant_id;
 162                                 }
 163                         }
 164                         if (eid == this->sel_engine[side]) selected_engine = eid; // The selected engine is still in the list
 165                 }
 166
 167                 if (side == 1) {
 168                         /* ensure primary engine of variant group is in list */
 169                         for (const auto &variant : variants) {
 170                                 if (std::ranges::find(list, variant, &GUIEngineListItem::engine_id) == list.end()) {
 171                                         const Engine *e = Engine::Get(variant);
 172                                         list.emplace_back(variant, e->info.variant_id, e->display_flags | EngineDisplayFlags::Shaded, 0);
 173                                 }
 174                         }
 175                 }
 176
 177                 this->sel_engine[side] = selected_engine; // update which engine we selected (the same or none, if it's not in the list anymore)
 178                 if (draw_left) {
 179                         EngList_Sort(list, &EngineNumberSorter);
 180                 } else {
 181                         _engine_sort_direction = this->descending_sort_order;
 182                         EngList_Sort(list, _engine_sort_functions[this->window_number][this->sort_criteria]);
 183                 }
 184
 185                 this->engines[side].clear();
 186                 if (side == 1) {
 187                         GUIEngineListAddChildren(this->engines[side], list);
 188                 } else {
 189                         this->engines[side].swap(list);
 190                 }
 191         }
 192
 193         /** Generate the lists */
 194         void GenerateLists()
 195         {
 196                 EngineID e = this->sel_engine[0];
 197
 198                 if (this->engines[0].NeedRebuild()) {
 199                         /* We need to rebuild the left engines list */
 200                         this->GenerateReplaceVehList(true);
 201                         this->vscroll[0]->SetCount(this->engines[0].size());
 202                         if (this->reset_sel_engine && this->sel_engine[0] == INVALID_ENGINE && !this->engines[0].empty()) {
 203                                 this->sel_engine[0] = this->engines[0][0].engine_id;
 204                         }
 205                 }
 206
 207                 if (this->engines[1].NeedRebuild() || e != this->sel_engine[0]) {
 208                         /* Either we got a request to rebuild the right engines list, or the left engines list selected a different engine */
 209                         if (this->sel_engine[0] == INVALID_ENGINE) {
 210                                 /* Always empty the right engines list when nothing is selected in the left engines list */
 211                                 this->engines[1].clear();
 212                                 this->sel_engine[1] = INVALID_ENGINE;
 213                                 this->vscroll[1]->SetCount(this->engines[1].size());
 214                         } else {
 215                                 if (this->reset_sel_engine && this->sel_engine[0] != INVALID_ENGINE) {
 216                                         /* Select the current replacement for sel_engine[0]. */
 217                                         const Company *c = Company::Get(_local_company);
 218                                         this->sel_engine[1] = EngineReplacementForCompany(c, this->sel_engine[0], this->sel_group);
 219                                 }
 220                                 /* Regenerate the list on the right. Note: This resets sel_engine[1] to INVALID_ENGINE, if it is no longer available. */
 221                                 this->GenerateReplaceVehList(false);
 222                                 this->vscroll[1]->SetCount(this->engines[1].size());
 223                                 if (this->reset_sel_engine && this->sel_engine[1] != INVALID_ENGINE) {
 224                                         int position = 0;
 225                                         for (const auto &item : this->engines[1]) {
 226                                                 if (item.engine_id == this->sel_engine[1]) break;
 227                                                 ++position;
 228                                         }
 229                                         this->vscroll[1]->ScrollTowards(position);
 230                                 }
 231                         }
 232                 }
 233                 /* Reset the flags about needed updates */
 234                 this->engines[0].RebuildDone();
 235                 this->engines[1].RebuildDone();
 236                 this->reset_sel_engine = false;
 237         }
 238
 239         /**
 240          * Handle click on the start replace button.
 241          * @param replace_when_old Replace now or only when old?
 242          */
 243         void ReplaceClick_StartReplace(bool replace_when_old)
 244         {
 245                 EngineID veh_from = this->sel_engine[0];
 246                 EngineID veh_to = this->sel_engine[1];
 247                 Command<CMD_SET_AUTOREPLACE>::Post(this->sel_group, veh_from, veh_to, replace_when_old);
 248         }
 249
 250         /**
 251          * Perform tasks after rail or road type is changed.
 252          */
 253         void OnRailRoadTypeChange()
 254         {
 255                 /* Reset scrollbar positions */
 256                 this->vscroll[0]->SetPosition(0);
 257                 this->vscroll[1]->SetPosition(0);
 258                 /* Rebuild the lists */
 259                 this->engines[0].ForceRebuild();
 260                 this->engines[1].ForceRebuild();
 261                 this->reset_sel_engine = true;
 262                 this->SetDirty();
 263         }
 264
 265 public:
 266         ReplaceVehicleWindow(WindowDesc &desc, VehicleType vehicletype, GroupID id_g) : Window(desc)
 267         {
 268                 this->sel_railtype = INVALID_RAILTYPE;
 269                 this->sel_roadtype = INVALID_ROADTYPE;
 270                 this->replace_engines  = true; // start with locomotives (all other vehicles will not read this bool)
 271                 this->engines[0].ForceRebuild();
 272                 this->engines[1].ForceRebuild();
 273                 this->reset_sel_engine = true;
 274                 this->details_height   = ((vehicletype == VEH_TRAIN) ? 10 : 9);
 275                 this->sel_engine[0] = INVALID_ENGINE;
 276                 this->sel_engine[1] = INVALID_ENGINE;
 277                 this->show_hidden_engines = _engine_sort_show_hidden_engines[vehicletype];
 278
 279                 this->CreateNestedTree();
 280                 this->vscroll[0] = this->GetScrollbar(WID_RV_LEFT_SCROLLBAR);
 281                 this->vscroll[1] = this->GetScrollbar(WID_RV_RIGHT_SCROLLBAR);
 282
 283                 NWidgetCore *widget = this->GetWidget<NWidgetCore>(WID_RV_SHOW_HIDDEN_ENGINES);
 284                 widget->widget_data = STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN + vehicletype;
 285                 widget->tool_tip    = STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN_TOOLTIP + vehicletype;
 286                 widget->SetLowered(this->show_hidden_engines);
 287                 this->FinishInitNested(vehicletype);
 288
 289                 this->sort_criteria = _engine_sort_last_criteria[vehicletype];
 290                 this->descending_sort_order = _engine_sort_last_order[vehicletype];
 291                 this->owner = _local_company;
 292                 this->sel_group = id_g;
 293         }
 294
 295         void UpdateWidgetSize(WidgetID widget, Dimension &size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension &fill, [[maybe_unused]] Dimension &resize) override
 296         {
 297                 switch (widget) {
 298                         case WID_RV_SORT_ASCENDING_DESCENDING: {
 299                                 Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
 300                                 d.width += padding.width + Window::SortButtonWidth() * 2; // Doubled since the string is centred and it also looks better.
 301                                 d.height += padding.height;
 302                                 size = maxdim(size, d);
 303                                 break;
 304                         }
 305
 306                         case WID_RV_LEFT_MATRIX:
 307                         case WID_RV_RIGHT_MATRIX:
 308                                 resize.height = GetEngineListHeight((VehicleType)this->window_number);
 309                                 size.height = (this->window_number <= VEH_ROAD ? 8 : 4) * resize.height;
 310                                 break;
 311
 312                         case WID_RV_LEFT_DETAILS:
 313                         case WID_RV_RIGHT_DETAILS:
 314                                 size.height = GetCharacterHeight(FS_NORMAL) * this->details_height + padding.height;
 315                                 break;
 316
 317                         case WID_RV_TRAIN_WAGONREMOVE_TOGGLE: {
 318                                 StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
 319                                 SetDParam(0, STR_CONFIG_SETTING_ON);
 320                                 Dimension d = GetStringBoundingBox(str);
 321                                 SetDParam(0, STR_CONFIG_SETTING_OFF);
 322                                 d = maxdim(d, GetStringBoundingBox(str));
 323                                 d.width += padding.width;
 324                                 d.height += padding.height;
 325                                 size = maxdim(size, d);
 326                                 break;
 327                         }
 328
 329                         case WID_RV_TRAIN_ENGINEWAGON_DROPDOWN: {
 330                                 Dimension d = GetStringBoundingBox(STR_REPLACE_ENGINES);
 331                                 d = maxdim(d, GetStringBoundingBox(STR_REPLACE_WAGONS));
 332                                 d.width += padding.width;
 333                                 d.height += padding.height;
 334                                 size = maxdim(size, d);
 335                                 break;
 336                         }
 337
 338                         case WID_RV_INFO_TAB: {
 339                                 Dimension d = GetStringBoundingBox(STR_REPLACE_NOT_REPLACING);
 340                                 d = maxdim(d, GetStringBoundingBox(STR_REPLACE_NOT_REPLACING_VEHICLE_SELECTED));
 341                                 d.width += padding.width;
 342                                 d.height += padding.height;
 343                                 size = maxdim(size, d);
 344                                 break;
 345                         }
 346
 347                         case WID_RV_RAIL_TYPE_DROPDOWN: {
 348                                 Dimension d = {0, 0};
 349                                 for (const RailType &rt : _sorted_railtypes) {
 350                                         d = maxdim(d, GetStringBoundingBox(GetRailTypeInfo(rt)->strings.replace_text));
 351                                 }
 352                                 d.width += padding.width;
 353                                 d.height += padding.height;
 354                                 size = maxdim(size, d);
 355                                 break;
 356                         }
 357
 358                         case WID_RV_ROAD_TYPE_DROPDOWN: {
 359                                 Dimension d = {0, 0};
 360                                 for (const RoadType &rt : _sorted_roadtypes) {
 361                                         d = maxdim(d, GetStringBoundingBox(GetRoadTypeInfo(rt)->strings.replace_text));
 362                                 }
 363                                 d.width += padding.width;
 364                                 d.height += padding.height;
 365                                 size = maxdim(size, d);
 366                                 break;
 367                         }
 368
 369                         case WID_RV_START_REPLACE: {
 370                                 Dimension d = GetStringBoundingBox(STR_REPLACE_VEHICLES_START);
 371                                 d = maxdim(d, GetStringListBoundingBox(_start_replace_dropdown));
 372                                 d.width += padding.width;
 373                                 d.height += padding.height;
 374                                 size = maxdim(size, d);
 375                                 break;
 376                         }
 377                 }
 378         }
 379
 380         void SetStringParameters(WidgetID widget) const override
 381         {
 382                 switch (widget) {
 383                         case WID_RV_CAPTION:
 384                                 SetDParam(0, STR_REPLACE_VEHICLE_TRAIN + this->window_number);
 385                                 switch (this->sel_group) {
 386                                         case ALL_GROUP:
 387                                                 SetDParam(1, STR_GROUP_ALL_TRAINS + this->window_number);
 388                                                 break;
 389
 390                                         case DEFAULT_GROUP:
 391                                                 SetDParam(1, STR_GROUP_DEFAULT_TRAINS + this->window_number);
 392                                                 break;
 393
 394                                         default:
 395                                                 SetDParam(1, STR_GROUP_NAME);
 396                                                 SetDParam(2, sel_group);
 397                                                 break;
 398                                 }
 399                                 break;
 400
 401                         case WID_RV_SORT_DROPDOWN:
 402                                 SetDParam(0, std::data(_engine_sort_listing[this->window_number])[this->sort_criteria]);
 403                                 break;
 404
 405                         case WID_RV_TRAIN_WAGONREMOVE_TOGGLE: {
 406                                 bool remove_wagon;
 407                                 const Group *g = Group::GetIfValid(this->sel_group);
 408                                 if (g != nullptr) {
 409                                         remove_wagon = HasBit(g->flags, GroupFlags::GF_REPLACE_WAGON_REMOVAL);
 410                                         SetDParam(0, STR_GROUP_NAME);
 411                                         SetDParam(1, sel_group);
 412                                 } else {
 413                                         const Company *c = Company::Get(_local_company);
 414                                         remove_wagon = c->settings.renew_keep_length;
 415                                         SetDParam(0, STR_GROUP_DEFAULT_TRAINS + this->window_number);
 416                                 }
 417                                 SetDParam(2, remove_wagon ? STR_CONFIG_SETTING_ON : STR_CONFIG_SETTING_OFF);
 418                                 break;
 419                         }
 420
 421                         case WID_RV_TRAIN_ENGINEWAGON_DROPDOWN:
 422                                 SetDParam(0, this->replace_engines ? STR_REPLACE_ENGINES : STR_REPLACE_WAGONS);
 423                                 break;
 424
 425                         case WID_RV_RAIL_TYPE_DROPDOWN:
 426                                 SetDParam(0, this->sel_railtype == INVALID_RAILTYPE ? STR_REPLACE_ALL_RAILTYPE : GetRailTypeInfo(this->sel_railtype)->strings.replace_text);
 427                                 break;
 428
 429                         case WID_RV_ROAD_TYPE_DROPDOWN:
 430                                 SetDParam(0, this->sel_roadtype == INVALID_ROADTYPE ? STR_REPLACE_ALL_ROADTYPE : GetRoadTypeInfo(this->sel_roadtype)->strings.replace_text);
 431                                 break;
 432                 }
 433         }
 434
 435         void DrawWidget(const Rect &r, WidgetID widget) const override
 436         {
 437                 switch (widget) {
 438                         case WID_RV_SORT_ASCENDING_DESCENDING:
 439                                 this->DrawSortButtonState(WID_RV_SORT_ASCENDING_DESCENDING, this->descending_sort_order ? SBS_DOWN : SBS_UP);
 440                                 break;
 441
 442                         case WID_RV_INFO_TAB: {
 443                                 const Company *c = Company::Get(_local_company);
 444                                 StringID str;
 445                                 if (this->sel_engine[0] != INVALID_ENGINE) {
 446                                         if (!EngineHasReplacementForCompany(c, this->sel_engine[0], this->sel_group)) {
 447                                                 str = STR_REPLACE_NOT_REPLACING;
 448                                         } else {
 449                                                 bool when_old = false;
 450                                                 EngineID e = EngineReplacementForCompany(c, this->sel_engine[0], this->sel_group, &when_old);
 451                                                 str = when_old ? STR_REPLACE_REPLACING_WHEN_OLD : STR_ENGINE_NAME;
 452                                                 SetDParam(0, PackEngineNameDParam(e, EngineNameContext::PurchaseList));
 453                                         }
 454                                 } else {
 455                                         str = STR_REPLACE_NOT_REPLACING_VEHICLE_SELECTED;
 456                                 }
 457
 458                                 DrawString(r.Shrink(WidgetDimensions::scaled.frametext, WidgetDimensions::scaled.framerect), str, TC_BLACK, SA_HOR_CENTER);
 459                                 break;
 460                         }
 461
 462                         case WID_RV_LEFT_MATRIX:
 463                         case WID_RV_RIGHT_MATRIX: {
 464                                 int side = (widget == WID_RV_LEFT_MATRIX) ? 0 : 1;
 465
 466                                 /* Do the actual drawing */
 467                                 DrawEngineList((VehicleType)this->window_number, r, this->engines[side], *this->vscroll[side], this->sel_engine[side], side == 0, this->sel_group);
 468                                 break;
 469                         }
 470                 }
 471         }
 472
 473         void OnPaint() override
 474         {
 475                 if (this->engines[0].NeedRebuild() || this->engines[1].NeedRebuild()) this->GenerateLists();
 476
 477                 Company *c = Company::Get(_local_company);
 478
 479                 /* Disable the "Start Replacing" button if:
 480                  *    Either engines list is empty
 481                  * or The selected replacement engine has a replacement (to prevent loops). */
 482                 this->SetWidgetDisabledState(WID_RV_START_REPLACE,
 483                                 this->sel_engine[0] == INVALID_ENGINE || this->sel_engine[1] == INVALID_ENGINE || EngineReplacementForCompany(c, this->sel_engine[1], this->sel_group) != INVALID_ENGINE);
 484
 485                 /* Disable the "Stop Replacing" button if:
 486                  *   The left engines list (existing vehicle) is empty
 487                  *   or The selected vehicle has no replacement set up */
 488                 this->SetWidgetDisabledState(WID_RV_STOP_REPLACE, this->sel_engine[0] == INVALID_ENGINE || !EngineHasReplacementForCompany(c, this->sel_engine[0], this->sel_group));
 489
 490                 this->DrawWidgets();
 491
 492                 if (!this->IsShaded()) {
 493                         int needed_height = this->details_height;
 494                         /* Draw details panels. */
 495                         for (int side = 0; side < 2; side++) {
 496                                 if (this->sel_engine[side] != INVALID_ENGINE) {
 497                                         /* Use default engine details without refitting */
 498                                         const Engine *e = Engine::Get(this->sel_engine[side]);
 499                                         TestedEngineDetails ted;
 500                                         ted.cost = 0;
 501                                         ted.FillDefaultCapacities(e);
 502
 503                                         const Rect r = this->GetWidget<NWidgetBase>(side == 0 ? WID_RV_LEFT_DETAILS : WID_RV_RIGHT_DETAILS)->GetCurrentRect()
 504                                                         .Shrink(WidgetDimensions::scaled.frametext, WidgetDimensions::scaled.framerect);
 505                                         int text_end = DrawVehiclePurchaseInfo(r.left, r.right, r.top, this->sel_engine[side], ted);
 506                                         needed_height = std::max(needed_height, (text_end - r.top) / GetCharacterHeight(FS_NORMAL));
 507                                 }
 508                         }
 509                         if (needed_height != this->details_height) { // Details window are not high enough, enlarge them.
 510                                 this->details_height = needed_height;
 511                                 this->ReInit();
 512                                 return;
 513                         }
 514                 }
 515         }
 516
 517         void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
 518         {
 519                 switch (widget) {
 520                         case WID_RV_SORT_ASCENDING_DESCENDING:
 521                                 this->descending_sort_order ^= true;
 522                                 _engine_sort_last_order[this->window_number] = this->descending_sort_order;
 523                                 this->engines[1].ForceRebuild();
 524                                 this->SetDirty();
 525                                 break;
 526
 527                         case WID_RV_SHOW_HIDDEN_ENGINES:
 528                                 this->show_hidden_engines ^= true;
 529                                 _engine_sort_show_hidden_engines[this->window_number] = this->show_hidden_engines;
 530                                 this->engines[1].ForceRebuild();
 531                                 this->SetWidgetLoweredState(widget, this->show_hidden_engines);
 532                                 this->SetDirty();
 533                                 break;
 534
 535                         case WID_RV_SORT_DROPDOWN:
 536                                 DisplayVehicleSortDropDown(this, static_cast<VehicleType>(this->window_number), this->sort_criteria, WID_RV_SORT_DROPDOWN);
 537                                 break;
 538
 539                         case WID_RV_TRAIN_ENGINEWAGON_DROPDOWN: {
 540                                 DropDownList list;
 541                                 list.push_back(MakeDropDownListStringItem(STR_REPLACE_ENGINES, 1));
 542                                 list.push_back(MakeDropDownListStringItem(STR_REPLACE_WAGONS, 0));
 543                                 ShowDropDownList(this, std::move(list), this->replace_engines ? 1 : 0, WID_RV_TRAIN_ENGINEWAGON_DROPDOWN);
 544                                 break;
 545                         }
 546
 547                         case WID_RV_RAIL_TYPE_DROPDOWN: // Railtype selection dropdown menu
 548                                 ShowDropDownList(this, GetRailTypeDropDownList(true, true), this->sel_railtype, widget);
 549                                 break;
 550
 551                         case WID_RV_ROAD_TYPE_DROPDOWN: // Roadtype selection dropdown menu
 552                                 ShowDropDownList(this, GetRoadTypeDropDownList(RTTB_ROAD | RTTB_TRAM, true, true), this->sel_roadtype, widget);
 553                                 break;
 554
 555                         case WID_RV_TRAIN_WAGONREMOVE_TOGGLE: {
 556                                 const Group *g = Group::GetIfValid(this->sel_group);
 557                                 if (g != nullptr) {
 558                                         Command<CMD_SET_GROUP_FLAG>::Post(this->sel_group, GroupFlags::GF_REPLACE_WAGON_REMOVAL, !HasBit(g->flags, GroupFlags::GF_REPLACE_WAGON_REMOVAL), _ctrl_pressed);
 559                                 } else {
 560                                         // toggle renew_keep_length
 561                                         Command<CMD_CHANGE_COMPANY_SETTING>::Post("company.renew_keep_length", Company::Get(_local_company)->settings.renew_keep_length ? 0 : 1);
 562                                 }
 563                                 break;
 564                         }
 565
 566                         case WID_RV_START_REPLACE: { // Start replacing
 567                                 if (this->GetWidget<NWidgetLeaf>(widget)->ButtonHit(pt)) {
 568                                         this->HandleButtonClick(WID_RV_START_REPLACE);
 569                                         ReplaceClick_StartReplace(false);
 570                                 } else {
 571                                         bool replacment_when_old = EngineHasReplacementWhenOldForCompany(Company::Get(_local_company), this->sel_engine[0], this->sel_group);
 572                                         ShowDropDownMenu(this, _start_replace_dropdown, replacment_when_old ? 1 : 0, WID_RV_START_REPLACE, !this->replace_engines ? 1 << 1 : 0, 0);
 573                                 }
 574                                 break;
 575                         }
 576
 577                         case WID_RV_STOP_REPLACE: { // Stop replacing
 578                                 EngineID veh_from = this->sel_engine[0];
 579                                 Command<CMD_SET_AUTOREPLACE>::Post(this->sel_group, veh_from, INVALID_ENGINE, false);
 580                                 break;
 581                         }
 582
 583                         case WID_RV_LEFT_MATRIX:
 584                         case WID_RV_RIGHT_MATRIX: {
 585                                 uint8_t click_side;
 586                                 if (widget == WID_RV_LEFT_MATRIX) {
 587                                         click_side = 0;
 588                                 } else {
 589                                         click_side = 1;
 590                                 }
 591
 592                                 EngineID e = INVALID_ENGINE;
 593                                 const auto it = this->vscroll[click_side]->GetScrolledItemFromWidget(this->engines[click_side], pt.y, this, widget);
 594                                 if (it != this->engines[click_side].end()) {
 595                                         const auto &item = *it;
 596                                         const Rect r = this->GetWidget<NWidgetBase>(widget)->GetCurrentRect().Shrink(WidgetDimensions::scaled.matrix).WithWidth(WidgetDimensions::scaled.hsep_indent * (item.indent + 1), _current_text_dir == TD_RTL);
 597                                         if (HasFlag(item.flags, EngineDisplayFlags::HasVariants) && IsInsideMM(r.left, r.right, pt.x)) {
 598                                                 /* toggle folded flag on engine */
 599                                                 assert(item.variant_id != INVALID_ENGINE);
 600                                                 Engine *engine = Engine::Get(item.variant_id);
 601                                                 engine->display_flags ^= EngineDisplayFlags::IsFolded;
 602
 603                                                 InvalidateWindowData(WC_REPLACE_VEHICLE, (VehicleType)this->window_number, 0); // Update the autoreplace window
 604                                                 InvalidateWindowClassesData(WC_BUILD_VEHICLE); // The build windows needs updating as well
 605                                                 return;
 606                                         }
 607                                         if (!HasFlag(item.flags, EngineDisplayFlags::Shaded)) e = item.engine_id;
 608                                 }
 609
 610                                 /* If Ctrl is pressed on the left side and we don't have any engines of the selected type, stop autoreplacing.
 611                                  * This is most common when we have finished autoreplacing the engine and want to remove it from the list. */
 612                                 if (click_side == 0 && _ctrl_pressed && e != INVALID_ENGINE &&
 613                                         (GetGroupNumEngines(_local_company, sel_group, e) == 0 || GetGroupNumEngines(_local_company, ALL_GROUP, e) == 0)) {
 614                                                 EngineID veh_from = e;
 615                                                 Command<CMD_SET_AUTOREPLACE>::Post(this->sel_group, veh_from, INVALID_ENGINE, false);
 616                                                 break;
 617                                 }
 618
 619                                 if (e == this->sel_engine[click_side]) break; // we clicked the one we already selected
 620                                 this->sel_engine[click_side] = e;
 621                                 if (click_side == 0) {
 622                                         this->engines[1].ForceRebuild();
 623                                         this->reset_sel_engine = true;
 624                                 }
 625                                 this->SetDirty();
 626                                 break;
 627                         }
 628                 }
 629         }
 630
 631         void OnDropdownSelect(WidgetID widget, int index) override
 632         {
 633                 switch (widget) {
 634                         case WID_RV_SORT_DROPDOWN:
 635                                 if (this->sort_criteria != index) {
 636                                         this->sort_criteria = index;
 637                                         _engine_sort_last_criteria[this->window_number] = this->sort_criteria;
 638                                         this->engines[1].ForceRebuild();
 639                                         this->SetDirty();
 640                                 }
 641                                 break;
 642
 643                         case WID_RV_RAIL_TYPE_DROPDOWN: {
 644                                 RailType temp = (RailType)index;
 645                                 if (temp == this->sel_railtype) return; // we didn't select a new one. No need to change anything
 646                                 this->sel_railtype = temp;
 647                                 this->OnRailRoadTypeChange();
 648                                 break;
 649                         }
 650
 651                         case WID_RV_ROAD_TYPE_DROPDOWN: {
 652                                 RoadType temp = (RoadType)index;
 653                                 if (temp == this->sel_roadtype) return; // we didn't select a new one. No need to change anything
 654                                 this->sel_roadtype = temp;
 655                                 this->OnRailRoadTypeChange();
 656                                 break;
 657                         }
 658
 659                         case WID_RV_TRAIN_ENGINEWAGON_DROPDOWN: {
 660                                 this->replace_engines = index != 0;
 661                                 this->engines[0].ForceRebuild();
 662                                 this->reset_sel_engine = true;
 663                                 this->SetDirty();
 664                                 break;
 665                         }
 666
 667                         case WID_RV_START_REPLACE:
 668                                 this->ReplaceClick_StartReplace(index != 0);
 669                                 break;
 670                 }
 671         }
 672
 673         bool OnTooltip([[maybe_unused]] Point pt, WidgetID widget, TooltipCloseCondition close_cond) override
 674         {
 675                 if (widget != WID_RV_TRAIN_WAGONREMOVE_TOGGLE) return false;
 676
 677                 if (Group::IsValidID(this->sel_group)) {
 678                         SetDParam(0, STR_REPLACE_REMOVE_WAGON_HELP);
 679                         GuiShowTooltips(this, STR_REPLACE_REMOVE_WAGON_GROUP_HELP, close_cond, 1);
 680                 } else {
 681                         GuiShowTooltips(this, STR_REPLACE_REMOVE_WAGON_HELP, close_cond);
 682                 }
 683                 return true;
 684         }
 685
 686         void OnResize() override
 687         {
 688                 this->vscroll[0]->SetCapacityFromWidget(this, WID_RV_LEFT_MATRIX);
 689                 this->vscroll[1]->SetCapacityFromWidget(this, WID_RV_RIGHT_MATRIX);
 690         }
 691
 692         /**
 693          * Some data on this window has become invalid.
 694          * @param data Information about the changed data.
 695          * @param gui_scope Whether the call is done from GUI scope. You may not do everything when not in GUI scope. See #InvalidateWindowData() for details.
 696          */
 697         void OnInvalidateData([[maybe_unused]] int data = 0, [[maybe_unused]] bool gui_scope = true) override
 698         {
 699                 if (data != 0) {
 700                         /* This needs to be done in command-scope to enforce rebuilding before resorting invalid data */
 701                         this->engines[0].ForceRebuild();
 702                 } else {
 703                         this->engines[1].ForceRebuild();
 704                 }
 705         }
 706 };
 707
 708 static constexpr NWidgetPart _nested_replace_rail_vehicle_widgets[] = {
 709         NWidget(NWID_HORIZONTAL),
 710                 NWidget(WWT_CLOSEBOX, COLOUR_GREY),
 711                 NWidget(WWT_CAPTION, COLOUR_GREY, WID_RV_CAPTION), SetDataTip(STR_REPLACE_VEHICLES_WHITE, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 712                 NWidget(WWT_SHADEBOX, COLOUR_GREY),
 713                 NWidget(WWT_DEFSIZEBOX, COLOUR_GREY),
 714                 NWidget(WWT_STICKYBOX, COLOUR_GREY),
 715         EndContainer(),
 716         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 717                 NWidget(WWT_PANEL, COLOUR_GREY),
 718                         NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_REPLACE_VEHICLE_VEHICLES_IN_USE, STR_REPLACE_VEHICLE_VEHICLES_IN_USE_TOOLTIP), SetFill(1, 1), SetMinimalTextLines(1, WidgetDimensions::unscaled.framerect.Vertical()), SetResize(1, 0),
 719                 EndContainer(),
 720                 NWidget(WWT_PANEL, COLOUR_GREY),
 721                         NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_REPLACE_VEHICLE_AVAILABLE_VEHICLES, STR_REPLACE_VEHICLE_AVAILABLE_VEHICLES_TOOLTIP), SetFill(1, 1), SetMinimalTextLines(1, WidgetDimensions::unscaled.framerect.Vertical()), SetResize(1, 0),
 722                 EndContainer(),
 723         EndContainer(),
 724         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 725                 NWidget(NWID_VERTICAL),
 726                         NWidget(NWID_HORIZONTAL),
 727                                 NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_RV_RAIL_TYPE_DROPDOWN), SetMinimalSize(136, 12), SetDataTip(STR_JUST_STRING, STR_REPLACE_HELP_RAILTYPE), SetFill(1, 0), SetResize(1, 0),
 728                                 NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_RV_TRAIN_ENGINEWAGON_DROPDOWN), SetDataTip(STR_JUST_STRING, STR_REPLACE_ENGINE_WAGON_SELECT_HELP),
 729                         EndContainer(),
 730                         NWidget(WWT_PANEL, COLOUR_GREY), SetResize(1, 0), EndContainer(),
 731                 EndContainer(),
 732                 NWidget(NWID_VERTICAL),
 733                         NWidget(NWID_HORIZONTAL),
 734                                 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_RV_SORT_ASCENDING_DESCENDING), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER), SetFill(1, 1),
 735                                 NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_RV_SORT_DROPDOWN), SetResize(1, 0), SetFill(1, 1), SetDataTip(STR_JUST_STRING, STR_TOOLTIP_SORT_CRITERIA),
 736                         EndContainer(),
 737                         NWidget(NWID_HORIZONTAL),
 738                                 NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_RV_SHOW_HIDDEN_ENGINES), SetDataTip(STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN, STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN_TOOLTIP),
 739                                 NWidget(WWT_PANEL, COLOUR_GREY), SetResize(1, 0), SetFill(1, 1), EndContainer(),
 740                         EndContainer(),
 741                 EndContainer(),
 742         EndContainer(),
 743         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 744                 NWidget(WWT_MATRIX, COLOUR_GREY, WID_RV_LEFT_MATRIX), SetMinimalSize(216, 0), SetFill(1, 1), SetMatrixDataTip(1, 0, STR_REPLACE_HELP_LEFT_ARRAY), SetResize(1, 1), SetScrollbar(WID_RV_LEFT_SCROLLBAR),
 745                 NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_RV_LEFT_SCROLLBAR),
 746                 NWidget(WWT_MATRIX, COLOUR_GREY, WID_RV_RIGHT_MATRIX), SetMinimalSize(216, 0), SetFill(1, 1), SetMatrixDataTip(1, 0, STR_REPLACE_HELP_RIGHT_ARRAY), SetResize(1, 1), SetScrollbar(WID_RV_RIGHT_SCROLLBAR),
 747                 NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_RV_RIGHT_SCROLLBAR),
 748         EndContainer(),
 749         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 750                 NWidget(WWT_PANEL, COLOUR_GREY, WID_RV_LEFT_DETAILS), SetMinimalSize(240, 122), SetResize(1, 0), EndContainer(),
 751                 NWidget(NWID_VERTICAL),
 752                         NWidget(WWT_PANEL, COLOUR_GREY, WID_RV_RIGHT_DETAILS), SetMinimalSize(240, 122), SetResize(1, 0), EndContainer(),
 753                         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_RV_TRAIN_WAGONREMOVE_TOGGLE), SetMinimalSize(138, 12), SetDataTip(STR_REPLACE_REMOVE_WAGON, STR_REPLACE_REMOVE_WAGON_HELP), SetFill(1, 0), SetResize(1, 0),
 754                 EndContainer(),
 755         EndContainer(),
 756         NWidget(NWID_HORIZONTAL),
 757                 NWidget(NWID_PUSHBUTTON_DROPDOWN, COLOUR_GREY, WID_RV_START_REPLACE), SetMinimalSize(139, 12), SetDataTip(STR_REPLACE_VEHICLES_START, STR_REPLACE_HELP_START_BUTTON),
 758                 NWidget(WWT_PANEL, COLOUR_GREY, WID_RV_INFO_TAB), SetMinimalSize(167, 12), SetDataTip(0x0, STR_REPLACE_HELP_REPLACE_INFO_TAB), SetResize(1, 0),
 759                 EndContainer(),
 760                 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_RV_STOP_REPLACE), SetMinimalSize(150, 12), SetDataTip(STR_REPLACE_VEHICLES_STOP, STR_REPLACE_HELP_STOP_BUTTON),
 761                 NWidget(WWT_RESIZEBOX, COLOUR_GREY),
 762         EndContainer(),
 763 };
 764
 765 static WindowDesc _replace_rail_vehicle_desc(
 766         WDP_AUTO, "replace_vehicle_train", 500, 140,
 767         WC_REPLACE_VEHICLE, WC_NONE,
 768         WDF_CONSTRUCTION,
 769         _nested_replace_rail_vehicle_widgets
 770 );
 771
 772 static constexpr NWidgetPart _nested_replace_road_vehicle_widgets[] = {
 773         NWidget(NWID_HORIZONTAL),
 774                 NWidget(WWT_CLOSEBOX, COLOUR_GREY),
 775                 NWidget(WWT_CAPTION, COLOUR_GREY, WID_RV_CAPTION), SetDataTip(STR_REPLACE_VEHICLES_WHITE, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 776                 NWidget(WWT_SHADEBOX, COLOUR_GREY),
 777                 NWidget(WWT_DEFSIZEBOX, COLOUR_GREY),
 778                 NWidget(WWT_STICKYBOX, COLOUR_GREY),
 779         EndContainer(),
 780         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 781                 NWidget(WWT_PANEL, COLOUR_GREY),
 782                         NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_REPLACE_VEHICLE_VEHICLES_IN_USE, STR_REPLACE_VEHICLE_VEHICLES_IN_USE_TOOLTIP), SetFill(1, 1), SetMinimalTextLines(1, WidgetDimensions::unscaled.framerect.Vertical()), SetResize(1, 0),
 783                 EndContainer(),
 784                 NWidget(WWT_PANEL, COLOUR_GREY),
 785                         NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_REPLACE_VEHICLE_AVAILABLE_VEHICLES, STR_REPLACE_VEHICLE_AVAILABLE_VEHICLES_TOOLTIP), SetFill(1, 1), SetMinimalTextLines(1, WidgetDimensions::unscaled.framerect.Vertical()), SetResize(1, 0),
 786                 EndContainer(),
 787         EndContainer(),
 788         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 789                 NWidget(NWID_VERTICAL),
 790                         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_RV_ROAD_TYPE_DROPDOWN), SetMinimalSize(136, 12), SetDataTip(STR_JUST_STRING, STR_REPLACE_HELP_ROADTYPE), SetFill(1, 0), SetResize(1, 0),
 791                         NWidget(WWT_PANEL, COLOUR_GREY), SetResize(1, 0), EndContainer(),
 792                 EndContainer(),
 793                 NWidget(NWID_VERTICAL),
 794                         NWidget(NWID_HORIZONTAL),
 795                                 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_RV_SORT_ASCENDING_DESCENDING), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER), SetFill(1, 1),
 796                                 NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_RV_SORT_DROPDOWN), SetResize(1, 0), SetFill(1, 1), SetDataTip(STR_JUST_STRING, STR_TOOLTIP_SORT_CRITERIA),
 797                         EndContainer(),
 798                         NWidget(NWID_HORIZONTAL),
 799                                 NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_RV_SHOW_HIDDEN_ENGINES), SetDataTip(STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN, STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN_TOOLTIP),
 800                                 NWidget(WWT_PANEL, COLOUR_GREY), SetResize(1, 0), SetFill(1, 1), EndContainer(),
 801                         EndContainer(),
 802                 EndContainer(),
 803         EndContainer(),
 804         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 805                 NWidget(WWT_MATRIX, COLOUR_GREY, WID_RV_LEFT_MATRIX), SetMinimalSize(216, 0), SetFill(1, 1), SetMatrixDataTip(1, 0, STR_REPLACE_HELP_LEFT_ARRAY), SetResize(1, 1), SetScrollbar(WID_RV_LEFT_SCROLLBAR),
 806                 NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_RV_LEFT_SCROLLBAR),
 807                 NWidget(WWT_MATRIX, COLOUR_GREY, WID_RV_RIGHT_MATRIX), SetMinimalSize(216, 0), SetFill(1, 1), SetMatrixDataTip(1, 0, STR_REPLACE_HELP_RIGHT_ARRAY), SetResize(1, 1), SetScrollbar(WID_RV_RIGHT_SCROLLBAR),
 808                 NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_RV_RIGHT_SCROLLBAR),
 809         EndContainer(),
 810         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 811                 NWidget(WWT_PANEL, COLOUR_GREY, WID_RV_LEFT_DETAILS), SetMinimalSize(240, 122), SetResize(1, 0), EndContainer(),
 812                 NWidget(WWT_PANEL, COLOUR_GREY, WID_RV_RIGHT_DETAILS), SetMinimalSize(240, 122), SetResize(1, 0), EndContainer(),
 813         EndContainer(),
 814         NWidget(NWID_HORIZONTAL),
 815                 NWidget(NWID_PUSHBUTTON_DROPDOWN, COLOUR_GREY, WID_RV_START_REPLACE), SetMinimalSize(139, 12), SetDataTip(STR_REPLACE_VEHICLES_START, STR_REPLACE_HELP_START_BUTTON),
 816                 NWidget(WWT_PANEL, COLOUR_GREY, WID_RV_INFO_TAB), SetMinimalSize(167, 12), SetDataTip(0x0, STR_REPLACE_HELP_REPLACE_INFO_TAB), SetResize(1, 0),
 817                 EndContainer(),
 818                 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_RV_STOP_REPLACE), SetMinimalSize(150, 12), SetDataTip(STR_REPLACE_VEHICLES_STOP, STR_REPLACE_HELP_STOP_BUTTON),
 819                 NWidget(WWT_RESIZEBOX, COLOUR_GREY),
 820         EndContainer(),
 821 };
 822
 823 static WindowDesc _replace_road_vehicle_desc(
 824         WDP_AUTO, "replace_vehicle_road", 500, 140,
 825         WC_REPLACE_VEHICLE, WC_NONE,
 826         WDF_CONSTRUCTION,
 827         _nested_replace_road_vehicle_widgets
 828 );
 829
 830 static constexpr NWidgetPart _nested_replace_vehicle_widgets[] = {
 831         NWidget(NWID_HORIZONTAL),
 832                 NWidget(WWT_CLOSEBOX, COLOUR_GREY),
 833                 NWidget(WWT_CAPTION, COLOUR_GREY, WID_RV_CAPTION), SetMinimalSize(433, 14), SetDataTip(STR_REPLACE_VEHICLES_WHITE, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 834                 NWidget(WWT_SHADEBOX, COLOUR_GREY),
 835                 NWidget(WWT_DEFSIZEBOX, COLOUR_GREY),
 836                 NWidget(WWT_STICKYBOX, COLOUR_GREY),
 837         EndContainer(),
 838         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 839                 NWidget(WWT_PANEL, COLOUR_GREY),
 840                         NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_REPLACE_VEHICLE_VEHICLES_IN_USE, STR_REPLACE_VEHICLE_VEHICLES_IN_USE_TOOLTIP), SetFill(1, 1), SetMinimalTextLines(1, WidgetDimensions::unscaled.framerect.Vertical()), SetResize(1, 0),
 841                 EndContainer(),
 842                 NWidget(WWT_PANEL, COLOUR_GREY),
 843                         NWidget(WWT_LABEL, COLOUR_GREY), SetDataTip(STR_REPLACE_VEHICLE_AVAILABLE_VEHICLES, STR_REPLACE_VEHICLE_AVAILABLE_VEHICLES_TOOLTIP), SetFill(1, 1), SetMinimalTextLines(1, WidgetDimensions::unscaled.framerect.Vertical()), SetResize(1, 0),
 844                 EndContainer(),
 845         EndContainer(),
 846         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 847                 NWidget(WWT_PANEL, COLOUR_GREY), SetResize(1, 0), EndContainer(),
 848                 NWidget(NWID_VERTICAL),
 849                         NWidget(NWID_HORIZONTAL),
 850                                 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_RV_SORT_ASCENDING_DESCENDING), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
 851                                 NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_RV_SORT_DROPDOWN), SetResize(1, 0), SetFill(1, 1), SetDataTip(STR_JUST_STRING, STR_TOOLTIP_SORT_CRITERIA),
 852                         EndContainer(),
 853                         NWidget(NWID_HORIZONTAL),
 854                                 NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_RV_SHOW_HIDDEN_ENGINES), SetDataTip(STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN, STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN_TOOLTIP),
 855                                 NWidget(WWT_PANEL, COLOUR_GREY), SetResize(1, 0), SetFill(1, 1), EndContainer(),
 856                         EndContainer(),
 857                 EndContainer(),
 858         EndContainer(),
 859         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 860                 NWidget(WWT_MATRIX, COLOUR_GREY, WID_RV_LEFT_MATRIX), SetMinimalSize(216, 0), SetFill(1, 1), SetMatrixDataTip(1, 0, STR_REPLACE_HELP_LEFT_ARRAY), SetResize(1, 1), SetScrollbar(WID_RV_LEFT_SCROLLBAR),
 861                 NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_RV_LEFT_SCROLLBAR),
 862                 NWidget(WWT_MATRIX, COLOUR_GREY, WID_RV_RIGHT_MATRIX), SetMinimalSize(216, 0), SetFill(1, 1), SetMatrixDataTip(1, 0, STR_REPLACE_HELP_RIGHT_ARRAY), SetResize(1, 1), SetScrollbar(WID_RV_RIGHT_SCROLLBAR),
 863                 NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_RV_RIGHT_SCROLLBAR),
 864         EndContainer(),
 865         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 866                 NWidget(WWT_PANEL, COLOUR_GREY, WID_RV_LEFT_DETAILS), SetMinimalSize(228, 92), SetResize(1, 0), EndContainer(),
 867                 NWidget(WWT_PANEL, COLOUR_GREY, WID_RV_RIGHT_DETAILS), SetMinimalSize(228, 92), SetResize(1, 0), EndContainer(),
 868         EndContainer(),
 869         NWidget(NWID_HORIZONTAL),
 870                 NWidget(NWID_PUSHBUTTON_DROPDOWN, COLOUR_GREY, WID_RV_START_REPLACE), SetMinimalSize(139, 12), SetDataTip(STR_REPLACE_VEHICLES_START, STR_REPLACE_HELP_START_BUTTON),
 871                 NWidget(WWT_PANEL, COLOUR_GREY, WID_RV_INFO_TAB), SetMinimalSize(167, 12), SetDataTip(0x0, STR_REPLACE_HELP_REPLACE_INFO_TAB), SetResize(1, 0), EndContainer(),
 872                 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_RV_STOP_REPLACE), SetMinimalSize(138, 12), SetDataTip(STR_REPLACE_VEHICLES_STOP, STR_REPLACE_HELP_STOP_BUTTON),
 873                 NWidget(WWT_RESIZEBOX, COLOUR_GREY),
 874         EndContainer(),
 875 };
 876
 877 static WindowDesc _replace_vehicle_desc(
 878         WDP_AUTO, "replace_vehicle", 456, 118,
 879         WC_REPLACE_VEHICLE, WC_NONE,
 880         WDF_CONSTRUCTION,
 881         _nested_replace_vehicle_widgets
 882 );
 883
 884 /**
 885  * Show the autoreplace configuration window for a particular group.
 886  * @param id_g The group to replace the vehicles for.
 887  * @param vehicletype The type of vehicles in the group.
 888  */
 889 void ShowReplaceGroupVehicleWindow(GroupID id_g, VehicleType vehicletype)
 890 {
 891         CloseWindowById(WC_REPLACE_VEHICLE, vehicletype);
 892         switch (vehicletype) {
 893                 case VEH_TRAIN: new ReplaceVehicleWindow(_replace_rail_vehicle_desc, vehicletype, id_g); break;
 894                 case VEH_ROAD:  new ReplaceVehicleWindow(_replace_road_vehicle_desc, vehicletype, id_g); break;
 895                 default:        new ReplaceVehicleWindow(_replace_vehicle_desc, vehicletype, id_g);      break;
 896         }
 897 }