src/depot_gui.cpp

   1 /* $Id$ */
   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
  10 /** @file depot_gui.cpp The GUI for depots. */
  11
  12 #include "stdafx.h"
  13 #include "train.h"
  14 #include "roadveh.h"
  15 #include "ship.h"
  16 #include "aircraft.h"
  17 #include "gui.h"
  18 #include "textbuf_gui.h"
  19 #include "viewport_func.h"
  20 #include "command_func.h"
  21 #include "depot_base.h"
  22 #include "spritecache.h"
  23 #include "strings_func.h"
  24 #include "vehicle_func.h"
  25 #include "company_func.h"
  26 #include "tilehighlight_func.h"
  27 #include "window_gui.h"
  28 #include "vehiclelist.h"
  29 #include "order_backup.h"
  30 #include "zoom_func.h"
  31
  32 #include "widgets/depot_widget.h"
  33
  34 #include "table/strings.h"
  35
  36 /*
  37  * Since all depot window sizes aren't the same, we need to modify sizes a little.
  38  * It's done with the following arrays of widget indexes. Each of them tells if a widget side should be moved and in what direction.
  39  * How long they should be moved and for what window types are controlled in ShowDepotWindow()
  40  */
  41
  42 /** Nested widget definition for train depots. */
  43 static const NWidgetPart _nested_train_depot_widgets[] = {
  44         NWidget(NWID_HORIZONTAL),
  45                 NWidget(WWT_CLOSEBOX, COLOUR_GREY),
  46                 NWidget(WWT_CAPTION, COLOUR_GREY, WID_D_CAPTION), SetDataTip(STR_DEPOT_CAPTION, STR_NULL),
  47                 NWidget(WWT_SHADEBOX, COLOUR_GREY),
  48                 NWidget(WWT_DEFSIZEBOX, COLOUR_GREY),
  49                 NWidget(WWT_STICKYBOX, COLOUR_GREY),
  50         EndContainer(),
  51         NWidget(NWID_HORIZONTAL),
  52                 NWidget(NWID_VERTICAL),
  53                         NWidget(WWT_MATRIX, COLOUR_GREY, WID_D_MATRIX), SetResize(1, 1), SetScrollbar(WID_D_V_SCROLL),
  54                         NWidget(NWID_SELECTION, INVALID_COLOUR, WID_D_SHOW_H_SCROLL),
  55                                 NWidget(NWID_HSCROLLBAR, COLOUR_GREY, WID_D_H_SCROLL),
  56                         EndContainer(),
  57                 EndContainer(),
  58                 NWidget(NWID_VERTICAL),
  59                         NWidget(WWT_IMGBTN, COLOUR_GREY, WID_D_SELL), SetDataTip(0x0, STR_NULL), SetResize(0, 1), SetFill(0, 1),
  60                         NWidget(NWID_SELECTION, INVALID_COLOUR, WID_D_SHOW_SELL_CHAIN),
  61                                 NWidget(WWT_IMGBTN, COLOUR_GREY, WID_D_SELL_CHAIN), SetDataTip(SPR_SELL_CHAIN_TRAIN, STR_DEPOT_DRAG_WHOLE_TRAIN_TO_SELL_TOOLTIP), SetResize(0, 1), SetFill(0, 1),
  62                         EndContainer(),
  63                         NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_D_SELL_ALL), SetDataTip(0x0, STR_NULL),
  64                         NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_D_AUTOREPLACE), SetDataTip(0x0, STR_NULL),
  65                 EndContainer(),
  66                 NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_D_V_SCROLL),
  67         EndContainer(),
  68         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
  69                 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_D_BUILD), SetDataTip(0x0, STR_NULL), SetFill(1, 1), SetResize(1, 0),
  70                 NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_D_CLONE), SetDataTip(0x0, STR_NULL), SetFill(1, 1), SetResize(1, 0),
  71                 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_D_LOCATION), SetDataTip(STR_BUTTON_LOCATION, STR_NULL), SetFill(1, 1), SetResize(1, 0),
  72                 NWidget(NWID_SELECTION, INVALID_COLOUR, WID_D_SHOW_RENAME), // rename button
  73                         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_D_RENAME), SetDataTip(STR_BUTTON_RENAME, STR_DEPOT_RENAME_TOOLTIP), SetFill(1, 1), SetResize(1, 0),
  74                 EndContainer(),
  75                 NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_D_VEHICLE_LIST), SetDataTip(0x0, STR_NULL), SetFill(0, 1),
  76                 NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_D_STOP_ALL), SetDataTip(SPR_FLAG_VEH_STOPPED, STR_NULL), SetFill(0, 1),
  77                 NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_D_START_ALL), SetDataTip(SPR_FLAG_VEH_RUNNING, STR_NULL), SetFill(0, 1),
  78                 NWidget(WWT_RESIZEBOX, COLOUR_GREY),
  79         EndContainer(),
  80 };
  81
  82 static WindowDesc::Prefs _train_depot_prefs ("depot_train");
  83
  84 static const WindowDesc _train_depot_desc(
  85         WDP_AUTO, 362, 123,
  86         WC_VEHICLE_DEPOT, WC_NONE,
  87         0,
  88         _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets),
  89         &_train_depot_prefs
  90 );
  91
  92 static WindowDesc::Prefs _road_depot_prefs ("depot_roadveh");
  93
  94 static const WindowDesc _road_depot_desc(
  95         WDP_AUTO, 316, 97,
  96         WC_VEHICLE_DEPOT, WC_NONE,
  97         0,
  98         _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets),
  99         &_road_depot_prefs
 100 );
 101
 102 static WindowDesc::Prefs _ship_depot_prefs ("depot_ship");
 103
 104 static const WindowDesc _ship_depot_desc(
 105         WDP_AUTO, 306, 99,
 106         WC_VEHICLE_DEPOT, WC_NONE,
 107         0,
 108         _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets),
 109         &_ship_depot_prefs
 110 );
 111
 112 static WindowDesc::Prefs _aircraft_depot_prefs ("depot_aircraft");
 113
 114 static const WindowDesc _aircraft_depot_desc(
 115         WDP_AUTO, 332, 99,
 116         WC_VEHICLE_DEPOT, WC_NONE,
 117         0,
 118         _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets),
 119         &_aircraft_depot_prefs
 120 );
 121
 122 extern void DepotSortList(VehicleList *list);
 123
 124 /**
 125  * This is the Callback method after the cloning attempt of a vehicle
 126  * @param result the result of the cloning command
 127  * @param tile unused
 128  * @param p1 unused
 129  * @param p2 unused
 130  */
 131 void CcCloneVehicle(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
 132 {
 133         if (result.Failed()) return;
 134
 135         if (HasBit(p2, 31)) return;
 136
 137         const Vehicle *v = Vehicle::Get(_new_vehicle_id);
 138
 139         ShowVehicleViewWindow(v);
 140 }
 141
 142 StringID GetErrMoveRailVehicle (TileIndex tile, uint32 p1, uint32 p2, const char *text)
 143 {
 144         return HasBit(p1, 31) ? 0 : STR_ERROR_CAN_T_MOVE_VEHICLE;
 145 }
 146
 147 static void TrainDepotMoveVehicle(const Vehicle *wagon, VehicleID sel, const Vehicle *head)
 148 {
 149         const Vehicle *v = Vehicle::Get(sel);
 150
 151         if (v == wagon) return;
 152
 153         if (wagon == NULL) {
 154                 if (head != NULL) wagon = head->Last();
 155         } else {
 156                 wagon = wagon->Previous();
 157                 if (wagon == NULL) return;
 158         }
 159
 160         if (wagon == v) return;
 161
 162         DoCommandP(v->tile, v->index | (_ctrl_pressed ? 1 : 0) << 20, wagon == NULL ? INVALID_VEHICLE : wagon->index, CMD_MOVE_RAIL_VEHICLE);
 163 }
 164
 165 static VehicleCellSize _base_block_sizes_depot[VEH_COMPANY_END];    ///< Cell size for vehicle images in the depot view.
 166 static VehicleCellSize _base_block_sizes_purchase[VEH_COMPANY_END]; ///< Cell size for vehicle images in the purchase list.
 167
 168 /**
 169  * Get the GUI cell size for a vehicle image.
 170  * @param type Vehicle type to get the size for.
 171  * @param image_type Image type to get size for.
 172  * @pre image_type == EIT_IN_DEPOT || image_type == EIT_PURCHASE
 173  * @return Cell dimensions for the vehicle and image type.
 174  */
 175 VehicleCellSize GetVehicleImageCellSize(VehicleType type, EngineImageType image_type)
 176 {
 177         switch (image_type) {
 178                 case EIT_IN_DEPOT: return _base_block_sizes_depot[type];
 179                 case EIT_PURCHASE: return _base_block_sizes_purchase[type];
 180                 default: NOT_REACHED();
 181         }
 182 }
 183
 184 static void InitBlocksizeForVehicles(VehicleType type, EngineImageType image_type)
 185 {
 186         int max_extend_left  = 0;
 187         int max_extend_right = 0;
 188         uint max_height = 0;
 189
 190         const Engine *e;
 191         FOR_ALL_ENGINES_OF_TYPE(e, type) {
 192                 if (!e->IsEnabled()) continue;
 193
 194                 EngineID eid = e->index;
 195                 uint x, y;
 196                 int x_offs, y_offs;
 197
 198                 switch (type) {
 199                         default: NOT_REACHED();
 200                         case VEH_TRAIN:    GetTrainSpriteSize(   eid, x, y, x_offs, y_offs, image_type); break;
 201                         case VEH_ROAD:     GetRoadVehSpriteSize( eid, x, y, x_offs, y_offs, image_type); break;
 202                         case VEH_SHIP:     GetShipSpriteSize(    eid, x, y, x_offs, y_offs, image_type); break;
 203                         case VEH_AIRCRAFT: GetAircraftSpriteSize(eid, x, y, x_offs, y_offs, image_type); break;
 204                 }
 205                 if (y > max_height) max_height = y;
 206                 if (-x_offs > max_extend_left) max_extend_left = -x_offs;
 207                 if ((int)x + x_offs > max_extend_right) max_extend_right = x + x_offs;
 208         }
 209
 210         int min_extend = ScaleGUITrad(16);
 211         int max_extend = ScaleGUITrad(98);
 212
 213         switch (image_type) {
 214                 case EIT_IN_DEPOT:
 215                         _base_block_sizes_depot[type].height       = max<uint>(ScaleGUITrad(GetVehicleHeight(type)), max_height);
 216                         _base_block_sizes_depot[type].extend_left  = Clamp(max_extend_left, min_extend, max_extend);
 217                         _base_block_sizes_depot[type].extend_right = Clamp(max_extend_right, min_extend, max_extend);
 218                         break;
 219                 case EIT_PURCHASE:
 220                         _base_block_sizes_purchase[type].height       = max<uint>(ScaleGUITrad(GetVehicleHeight(type)), max_height);
 221                         _base_block_sizes_purchase[type].extend_left  = Clamp(max_extend_left, min_extend, max_extend);
 222                         _base_block_sizes_purchase[type].extend_right = Clamp(max_extend_right, min_extend, max_extend);
 223                         break;
 224
 225                 default: NOT_REACHED();
 226         }
 227 }
 228
 229 /**
 230  * Set the size of the blocks in the window so we can be sure that they are big enough for the vehicle sprites in the current game.
 231  * @note Calling this function once for each game is enough.
 232  */
 233 void InitDepotWindowBlockSizes()
 234 {
 235         for (VehicleType vt = VEH_BEGIN; vt < VEH_COMPANY_END; vt++) {
 236                 InitBlocksizeForVehicles(vt, EIT_IN_DEPOT);
 237                 InitBlocksizeForVehicles(vt, EIT_PURCHASE);
 238         }
 239 }
 240
 241 static void DepotSellAllConfirmationCallback(Window *w, bool confirmed);
 242 const Sprite *GetAircraftSprite(EngineID engine);
 243
 244 struct DepotWindow : Window {
 245         VehicleID sel;
 246         VehicleID vehicle_over; ///< Rail vehicle over which another one is dragged, \c INVALID_VEHICLE if none.
 247         VehicleType type;
 248         bool generate_list;
 249         VehicleList vehicle_list;
 250         VehicleList wagon_list;
 251         uint unitnumber_digits;
 252         uint num_columns;       ///< Number of columns.
 253         Scrollbar *hscroll;     ///< Only for trains.
 254         Scrollbar *vscroll;
 255
 256         DepotWindow (const WindowDesc *desc, TileIndex tile, VehicleType type)
 257                 : Window (desc), sel (INVALID_VEHICLE),
 258                   vehicle_over (INVALID_VEHICLE), type (type),
 259                   generate_list (true), vehicle_list(), wagon_list(),
 260                   unitnumber_digits (2), num_columns (1),
 261                   hscroll (NULL), vscroll (NULL),
 262                   count_width (0), header_width (0),
 263                   flag_width (0), flag_height (0)
 264         {
 265                 assert(IsCompanyBuildableVehicleType(type)); // ensure that we make the call with a valid type
 266
 267                 this->CreateNestedTree();
 268                 this->hscroll = (this->type == VEH_TRAIN ? this->GetScrollbar(WID_D_H_SCROLL) : NULL);
 269                 this->vscroll = this->GetScrollbar(WID_D_V_SCROLL);
 270                 /* Don't show 'rename button' of aircraft hangar */
 271                 this->GetWidget<NWidgetStacked>(WID_D_SHOW_RENAME)->SetDisplayedPlane(type == VEH_AIRCRAFT ? SZSP_NONE : 0);
 272                 /* Only train depots have a horizontal scrollbar and a 'sell chain' button */
 273                 if (type == VEH_TRAIN) this->GetWidget<NWidgetCore>(WID_D_MATRIX)->widget_data = 1 << MAT_COL_START;
 274                 this->GetWidget<NWidgetStacked>(WID_D_SHOW_H_SCROLL)->SetDisplayedPlane(type == VEH_TRAIN ? 0 : SZSP_HORIZONTAL);
 275                 this->GetWidget<NWidgetStacked>(WID_D_SHOW_SELL_CHAIN)->SetDisplayedPlane(type == VEH_TRAIN ? 0 : SZSP_NONE);
 276                 this->SetupWidgetData(type);
 277                 this->FinishInitNested(tile);
 278
 279                 this->owner = GetTileOwner(tile);
 280                 OrderBackup::Reset();
 281         }
 282
 283         void OnDelete (void) FINAL_OVERRIDE
 284         {
 285                 DeleteWindowById(WC_BUILD_VEHICLE, this->window_number);
 286                 OrderBackup::Reset(this->window_number);
 287         }
 288
 289         /**
 290          * Draw a vehicle in the depot window in the box with the top left corner at x,y.
 291          * @param v     Vehicle to draw.
 292          * @param left  Left side of the box to draw in.
 293          * @param right Right side of the box to draw in.
 294          * @param y     Top of the box to draw in.
 295          */
 296         void DrawVehicleInDepot(const Vehicle *v, int left, int right, int y) const
 297         {
 298                 bool free_wagon = false;
 299                 int sprite_y = y + (this->resize.step_height - ScaleGUITrad(GetVehicleHeight(v->type))) / 2;
 300
 301                 bool rtl = _current_text_dir == TD_RTL;
 302                 int image_left  = rtl ? left  + this->count_width  : left  + this->header_width;
 303                 int image_right = rtl ? right - this->header_width : right - this->count_width;
 304
 305                 switch (v->type) {
 306                         case VEH_TRAIN: {
 307                                 const Train *u = Train::From(v);
 308                                 free_wagon = u->IsFreeWagon();
 309
 310                                 uint x_space = free_wagon ? ScaleGUITrad(TRAININFO_DEFAULT_VEHICLE_WIDTH) : 0;
 311                                 DrawTrainImage(u, image_left + (rtl ? 0 : x_space), image_right - (rtl ? x_space : 0), sprite_y - 1,
 312                                                 this->sel, EIT_IN_DEPOT, free_wagon ? 0 : this->hscroll->GetPosition(), this->vehicle_over);
 313
 314                                 /* Length of consist in tiles with 1 fractional digit (rounded up) */
 315                                 SetDParam(0, CeilDiv(u->gcache.cached_total_length * 10, TILE_SIZE));
 316                                 SetDParam(1, 1);
 317                                 DrawString(rtl ? left + WD_FRAMERECT_LEFT : right - this->count_width, rtl ? left + this->count_width : right - WD_FRAMERECT_RIGHT, y + (this->resize.step_height - FONT_HEIGHT_SMALL) / 2, STR_TINY_BLACK_DECIMAL, TC_FROMSTRING, SA_RIGHT); // Draw the counter
 318                                 break;
 319                         }
 320
 321                         case VEH_ROAD:     DrawRoadVehImage( v, image_left, image_right, sprite_y, this->sel, EIT_IN_DEPOT); break;
 322                         case VEH_SHIP:     DrawShipImage(    v, image_left, image_right, sprite_y, this->sel, EIT_IN_DEPOT); break;
 323                         case VEH_AIRCRAFT: DrawAircraftImage(v, image_left, image_right, sprite_y, this->sel, EIT_IN_DEPOT); break;
 324                         default: NOT_REACHED();
 325                 }
 326
 327                 uint diff_x, diff_y;
 328                 if (v->IsGroundVehicle()) {
 329                         /* Arrange unitnumber and flag horizontally */
 330                         diff_x = this->flag_width + WD_FRAMERECT_LEFT;
 331                         diff_y = (this->resize.step_height - this->flag_height) / 2 - 2;
 332                 } else {
 333                         /* Arrange unitnumber and flag vertically */
 334                         diff_x = WD_FRAMERECT_LEFT;
 335                         diff_y = FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
 336                 }
 337                 int text_left  = rtl ? right - this->header_width - 1 : left + diff_x;
 338                 int text_right = rtl ? right - diff_x : left + this->header_width - 1;
 339
 340                 if (free_wagon) {
 341                         DrawString(text_left, text_right, y + 2, STR_DEPOT_NO_ENGINE);
 342                 } else {
 343                         DrawSprite((v->vehstatus & VS_STOPPED) ? SPR_FLAG_VEH_STOPPED : SPR_FLAG_VEH_RUNNING, PAL_NONE, rtl ? right - this->flag_width : left + WD_FRAMERECT_LEFT, y + diff_y);
 344
 345                         SetDParam(0, v->unitnumber);
 346                         DrawString(text_left, text_right, y + 2, (uint16)(v->max_age - DAYS_IN_LEAP_YEAR) >= v->age ? STR_BLACK_COMMA : STR_RED_COMMA);
 347                 }
 348         }
 349
 350         void DrawWidget(const Rect &r, int widget) const
 351         {
 352                 if (widget != WID_D_MATRIX) return;
 353
 354                 bool rtl = _current_text_dir == TD_RTL;
 355
 356                 /* Set the row and number of boxes in each row based on the number of boxes drawn in the matrix */
 357                 const NWidgetCore *wid = this->GetWidget<NWidgetCore>(WID_D_MATRIX);
 358                 uint16 rows_in_display = wid->current_y / wid->resize_y;
 359
 360                 uint16 num = this->vscroll->GetPosition() * this->num_columns;
 361                 int maxval = min(this->vehicle_list.Length(), num + (rows_in_display * this->num_columns));
 362                 int y;
 363                 for (y = r.top + 1; num < maxval; y += this->resize.step_height) { // Draw the rows
 364                         for (byte i = 0; i < this->num_columns && num < maxval; i++, num++) {
 365                                 /* Draw all vehicles in the current row */
 366                                 const Vehicle *v = this->vehicle_list[num];
 367                                 if (this->num_columns == 1) {
 368                                         this->DrawVehicleInDepot(v, r.left, r.right, y);
 369                                 } else {
 370                                         int x = r.left + (rtl ? (this->num_columns - i - 1) : i) * this->resize.step_width;
 371                                         this->DrawVehicleInDepot(v, x, x + this->resize.step_width - 1, y);
 372                                 }
 373                         }
 374                 }
 375
 376                 maxval = min(this->vehicle_list.Length() + this->wagon_list.Length(), (this->vscroll->GetPosition() * this->num_columns) + (rows_in_display * this->num_columns));
 377
 378                 /* Draw the train wagons without an engine in front. */
 379                 for (; num < maxval; num++, y += this->resize.step_height) {
 380                         const Vehicle *v = this->wagon_list[num - this->vehicle_list.Length()];
 381                         this->DrawVehicleInDepot(v, r.left, r.right, y);
 382                 }
 383         }
 384
 385         void SetStringParameters(int widget) const
 386         {
 387                 if (widget != WID_D_CAPTION) return;
 388
 389                 /* locate the depot struct */
 390                 TileIndex tile = this->window_number;
 391                 SetDParam(0, this->type);
 392                 SetDParam(1, (this->type == VEH_AIRCRAFT) ? GetStationIndex(tile) : GetDepotIndex(tile));
 393         }
 394
 395         struct GetDepotVehiclePtData {
 396                 const Vehicle *head;
 397                 const Vehicle *wagon;
 398         };
 399
 400         enum DepotGUIAction {
 401                 MODE_ERROR,
 402                 MODE_DRAG_VEHICLE,
 403                 MODE_SHOW_VEHICLE,
 404                 MODE_START_STOP,
 405         };
 406
 407         DepotGUIAction GetVehicleFromDepotWndPt(int x, int y, const Vehicle **veh, GetDepotVehiclePtData *d) const
 408         {
 409                 const NWidgetCore *matrix_widget = this->GetWidget<NWidgetCore>(WID_D_MATRIX);
 410                 /* In case of RTL the widgets are swapped as a whole */
 411                 if (_current_text_dir == TD_RTL) x = matrix_widget->current_x - x;
 412
 413                 uint xt = 0, xm = 0, ym = 0;
 414                 if (this->type == VEH_TRAIN) {
 415                         xm = x;
 416                 } else {
 417                         xt = x / this->resize.step_width;
 418                         xm = x % this->resize.step_width;
 419                         if (xt >= this->num_columns) return MODE_ERROR;
 420                 }
 421                 ym = y % this->resize.step_height;
 422
 423                 uint row = y / this->resize.step_height;
 424                 if (row >= this->vscroll->GetCapacity()) return MODE_ERROR;
 425
 426                 uint pos = ((row + this->vscroll->GetPosition()) * this->num_columns) + xt;
 427
 428                 if (this->vehicle_list.Length() + this->wagon_list.Length() <= pos) {
 429                         /* Clicking on 'line' / 'block' without a vehicle */
 430                         if (this->type == VEH_TRAIN) {
 431                                 /* End the dragging */
 432                                 d->head  = NULL;
 433                                 d->wagon = NULL;
 434                                 return MODE_DRAG_VEHICLE;
 435                         } else {
 436                                 return MODE_ERROR; // empty block, so no vehicle is selected
 437                         }
 438                 }
 439
 440                 bool wagon = false;
 441                 if (this->vehicle_list.Length() > pos) {
 442                         *veh = this->vehicle_list[pos];
 443                         /* Skip vehicles that are scrolled off the list */
 444                         if (this->type == VEH_TRAIN) x += this->hscroll->GetPosition();
 445                 } else {
 446                         pos -= this->vehicle_list.Length();
 447                         *veh = this->wagon_list[pos];
 448                         /* free wagons don't have an initial loco. */
 449                         x -= ScaleGUITrad(VEHICLEINFO_FULL_VEHICLE_WIDTH);
 450                         wagon = true;
 451                 }
 452
 453                 const Train *v = NULL;
 454                 if (this->type == VEH_TRAIN) {
 455                         v = Train::From(*veh);
 456                         d->head = d->wagon = v;
 457                 }
 458
 459                 if (xm <= this->header_width) {
 460                         switch (this->type) {
 461                                 case VEH_TRAIN:
 462                                         if (wagon) return MODE_ERROR;
 463                                         /* FALL THROUGH */
 464                                 case VEH_ROAD:
 465                                         if (xm <= this->flag_width) return MODE_START_STOP;
 466                                         break;
 467
 468                                 case VEH_SHIP:
 469                                 case VEH_AIRCRAFT:
 470                                         if (xm <= this->flag_width && ym >= (uint)(FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL)) return MODE_START_STOP;
 471                                         break;
 472
 473                                 default: NOT_REACHED();
 474                         }
 475                         return MODE_SHOW_VEHICLE;
 476                 }
 477
 478                 if (this->type != VEH_TRAIN) return MODE_DRAG_VEHICLE;
 479
 480                 /* Clicking on the counter */
 481                 if (xm >= matrix_widget->current_x - this->count_width) return wagon ? MODE_ERROR : MODE_SHOW_VEHICLE;
 482
 483                 /* Account for the header */
 484                 x -= this->header_width;
 485
 486                 /* find the vehicle in this row that was clicked */
 487                 for (; v != NULL; v = v->Next()) {
 488                         x -= v->GetDisplayImageWidth();
 489                         if (x < 0) break;
 490                 }
 491
 492                 d->wagon = (v != NULL ? v->GetFirstEnginePart() : NULL);
 493
 494                 return MODE_DRAG_VEHICLE;
 495         }
 496
 497         /**
 498          * Handle click in the depot matrix.
 499          * @param x Horizontal position in the matrix widget in pixels.
 500          * @param y Vertical position in the matrix widget in pixels.
 501          */
 502         void DepotClick(int x, int y)
 503         {
 504                 GetDepotVehiclePtData gdvp = { NULL, NULL };
 505                 const Vehicle *v = NULL;
 506                 DepotGUIAction mode = this->GetVehicleFromDepotWndPt(x, y, &v, &gdvp);
 507
 508                 if (this->type == VEH_TRAIN) v = gdvp.wagon;
 509
 510                 switch (mode) {
 511                         case MODE_ERROR: // invalid
 512                                 return;
 513
 514                         case MODE_DRAG_VEHICLE: { // start dragging of vehicle
 515                                 if (v != NULL && VehicleClicked(v)) return;
 516
 517                                 VehicleID sel = this->sel;
 518
 519                                 if (this->type == VEH_TRAIN && sel != INVALID_VEHICLE) {
 520                                         this->sel = INVALID_VEHICLE;
 521                                         TrainDepotMoveVehicle(v, sel, gdvp.head);
 522                                 } else if (v != NULL) {
 523                                         bool rtl = _current_text_dir == TD_RTL;
 524                                         int image = v->GetImage(rtl ? DIR_E : DIR_W, EIT_IN_DEPOT);
 525                                         SetPointerMode (POINTER_DRAG, this, image, GetVehiclePalette(v));
 526
 527                                         this->sel = v->index;
 528                                         this->SetDirty();
 529
 530                                         _cursor.short_vehicle_offset = v->IsGroundVehicle() ? (16 - v->GetGroundVehicleCache()->cached_veh_length * 2) * (rtl ? -1 : 1) : 0;
 531                                         _cursor.vehchain = _ctrl_pressed;
 532                                 }
 533                                 break;
 534                         }
 535
 536                         case MODE_SHOW_VEHICLE: // show info window
 537                                 ShowVehicleViewWindow(v);
 538                                 break;
 539
 540                         case MODE_START_STOP: // click start/stop flag
 541                                 StartStopVehicle(v, false);
 542                                 break;
 543
 544                         default: NOT_REACHED();
 545                 }
 546         }
 547
 548         /**
 549          * Function to set up vehicle specific widgets (mainly sprites and strings).
 550          * Only use this function to if the widget is used for several vehicle types and each has
 551          * different text/sprites. If the widget is only used for a single vehicle type, or the same
 552          * text/sprites are used every time, use the nested widget array to initialize the widget.
 553          */
 554         void SetupWidgetData(VehicleType type)
 555         {
 556                 this->GetWidget<NWidgetCore>(WID_D_STOP_ALL)->tool_tip     = STR_DEPOT_MASS_STOP_DEPOT_TRAIN_TOOLTIP + type;
 557                 this->GetWidget<NWidgetCore>(WID_D_START_ALL)->tool_tip    = STR_DEPOT_MASS_START_DEPOT_TRAIN_TOOLTIP + type;
 558                 this->GetWidget<NWidgetCore>(WID_D_SELL)->tool_tip         = STR_DEPOT_TRAIN_SELL_TOOLTIP + type;
 559                 this->GetWidget<NWidgetCore>(WID_D_SELL_ALL)->tool_tip     = STR_DEPOT_SELL_ALL_BUTTON_TRAIN_TOOLTIP + type;
 560
 561                 this->GetWidget<NWidgetCore>(WID_D_BUILD)->SetDataTip(STR_DEPOT_TRAIN_NEW_VEHICLES_BUTTON + type, STR_DEPOT_TRAIN_NEW_VEHICLES_TOOLTIP + type);
 562                 this->GetWidget<NWidgetCore>(WID_D_CLONE)->SetDataTip(STR_DEPOT_CLONE_TRAIN + type, STR_DEPOT_CLONE_TRAIN_DEPOT_INFO + type);
 563
 564                 this->GetWidget<NWidgetCore>(WID_D_LOCATION)->tool_tip     = STR_DEPOT_TRAIN_LOCATION_TOOLTIP + type;
 565                 this->GetWidget<NWidgetCore>(WID_D_VEHICLE_LIST)->tool_tip = STR_DEPOT_VEHICLE_ORDER_LIST_TRAIN_TOOLTIP + type;
 566                 this->GetWidget<NWidgetCore>(WID_D_AUTOREPLACE)->tool_tip  = STR_DEPOT_AUTOREPLACE_TRAIN_TOOLTIP + type;
 567                 this->GetWidget<NWidgetCore>(WID_D_MATRIX)->tool_tip       = STR_DEPOT_TRAIN_LIST_TOOLTIP + this->type;
 568
 569                 switch (type) {
 570                         default: NOT_REACHED();
 571
 572                         case VEH_TRAIN:
 573                                 this->GetWidget<NWidgetCore>(WID_D_VEHICLE_LIST)->widget_data = STR_TRAIN;
 574
 575                                 /* Sprites */
 576                                 this->GetWidget<NWidgetCore>(WID_D_SELL)->widget_data        = SPR_SELL_TRAIN;
 577                                 this->GetWidget<NWidgetCore>(WID_D_SELL_ALL)->widget_data    = SPR_SELL_ALL_TRAIN;
 578                                 this->GetWidget<NWidgetCore>(WID_D_AUTOREPLACE)->widget_data = SPR_REPLACE_TRAIN;
 579                                 break;
 580
 581                         case VEH_ROAD:
 582                                 this->GetWidget<NWidgetCore>(WID_D_VEHICLE_LIST)->widget_data = STR_LORRY;
 583
 584                                 /* Sprites */
 585                                 this->GetWidget<NWidgetCore>(WID_D_SELL)->widget_data        = SPR_SELL_ROADVEH;
 586                                 this->GetWidget<NWidgetCore>(WID_D_SELL_ALL)->widget_data    = SPR_SELL_ALL_ROADVEH;
 587                                 this->GetWidget<NWidgetCore>(WID_D_AUTOREPLACE)->widget_data = SPR_REPLACE_ROADVEH;
 588                                 break;
 589
 590                         case VEH_SHIP:
 591                                 this->GetWidget<NWidgetCore>(WID_D_VEHICLE_LIST)->widget_data = STR_SHIP;
 592
 593                                 /* Sprites */
 594                                 this->GetWidget<NWidgetCore>(WID_D_SELL)->widget_data        = SPR_SELL_SHIP;
 595                                 this->GetWidget<NWidgetCore>(WID_D_SELL_ALL)->widget_data    = SPR_SELL_ALL_SHIP;
 596                                 this->GetWidget<NWidgetCore>(WID_D_AUTOREPLACE)->widget_data = SPR_REPLACE_SHIP;
 597                                 break;
 598
 599                         case VEH_AIRCRAFT:
 600                                 this->GetWidget<NWidgetCore>(WID_D_VEHICLE_LIST)->widget_data = STR_PLANE;
 601
 602                                 /* Sprites */
 603                                 this->GetWidget<NWidgetCore>(WID_D_SELL)->widget_data        = SPR_SELL_AIRCRAFT;
 604                                 this->GetWidget<NWidgetCore>(WID_D_SELL_ALL)->widget_data    = SPR_SELL_ALL_AIRCRAFT;
 605                                 this->GetWidget<NWidgetCore>(WID_D_AUTOREPLACE)->widget_data = SPR_REPLACE_AIRCRAFT;
 606                                 break;
 607                 }
 608         }
 609
 610         uint count_width;
 611         uint header_width;
 612         uint flag_width;
 613         uint flag_height;
 614
 615         virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
 616         {
 617                 switch (widget) {
 618                         case WID_D_MATRIX: {
 619                                 uint min_height = 0;
 620
 621                                 if (this->type == VEH_TRAIN) {
 622                                         SetDParamMaxValue(0, 1000, 0, FS_SMALL);
 623                                         SetDParam(1, 1);
 624                                         this->count_width = GetStringBoundingBox(STR_TINY_BLACK_DECIMAL).width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
 625                                 } else {
 626                                         this->count_width = 0;
 627                                 }
 628
 629                                 SetDParamMaxDigits(0, this->unitnumber_digits);
 630                                 Dimension unumber = GetStringBoundingBox(STR_BLACK_COMMA);
 631                                 const Sprite *spr = GetSprite(SPR_FLAG_VEH_STOPPED, ST_NORMAL);
 632                                 this->flag_width  = UnScaleGUI(spr->width) + WD_FRAMERECT_RIGHT;
 633                                 this->flag_height = UnScaleGUI(spr->height);
 634
 635                                 if (this->type == VEH_TRAIN || this->type == VEH_ROAD) {
 636                                         min_height = max<uint>(unumber.height + WD_MATRIX_TOP, UnScaleGUI(spr->height));
 637                                         this->header_width = unumber.width + this->flag_width + WD_FRAMERECT_LEFT;
 638                                 } else {
 639                                         min_height = unumber.height + UnScaleGUI(spr->height) + WD_MATRIX_TOP + WD_PAR_VSEP_NORMAL + WD_MATRIX_BOTTOM;
 640                                         this->header_width = max<uint>(unumber.width, this->flag_width) + WD_FRAMERECT_RIGHT;
 641                                 }
 642                                 int base_width = this->count_width + this->header_width;
 643
 644                                 resize->height = max<uint>(GetVehicleImageCellSize(this->type, EIT_IN_DEPOT).height, min_height);
 645                                 if (this->type == VEH_TRAIN) {
 646                                         resize->width = 1;
 647                                         size->width = base_width + 2 * ScaleGUITrad(29); // about 2 parts
 648                                         size->height = resize->height * 6;
 649                                 } else {
 650                                         resize->width = base_width + GetVehicleImageCellSize(this->type, EIT_IN_DEPOT).extend_left + GetVehicleImageCellSize(this->type, EIT_IN_DEPOT).extend_right;
 651                                         size->width = resize->width * (this->type == VEH_ROAD ? 5 : 3);
 652                                         size->height = resize->height * (this->type == VEH_ROAD ? 5 : 3);
 653                                 }
 654                                 fill->width = resize->width;
 655                                 fill->height = resize->height;
 656                                 break;
 657                         }
 658                 }
 659         }
 660
 661         /**
 662          * Some data on this window has become invalid.
 663          * @param data Information about the changed data.
 664          * @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.
 665          */
 666         virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
 667         {
 668                 this->generate_list = true;
 669         }
 670
 671         virtual void OnPaint()
 672         {
 673                 if (this->generate_list) {
 674                         /* Generate the vehicle list
 675                          * It's ok to use the wagon pointers for non-trains as they will be ignored */
 676                         BuildDepotVehicleList(this->type, this->window_number, &this->vehicle_list, &this->wagon_list);
 677                         this->generate_list = false;
 678                         DepotSortList(&this->vehicle_list);
 679
 680                         uint new_unitnumber_digits = GetUnitNumberDigits(this->vehicle_list);
 681                         if (this->unitnumber_digits != new_unitnumber_digits) {
 682                                 this->unitnumber_digits = new_unitnumber_digits;
 683                                 this->ReInit();
 684                         }
 685                 }
 686
 687                 /* determine amount of items for scroller */
 688                 if (this->type == VEH_TRAIN) {
 689                         uint max_width = ScaleGUITrad(VEHICLEINFO_FULL_VEHICLE_WIDTH);
 690                         for (uint num = 0; num < this->vehicle_list.Length(); num++) {
 691                                 uint width = 0;
 692                                 for (const Train *v = Train::From(this->vehicle_list[num]); v != NULL; v = v->Next()) {
 693                                         width += v->GetDisplayImageWidth();
 694                                 }
 695                                 max_width = max(max_width, width);
 696                         }
 697                         /* Always have 1 empty row, so people can change the setting of the train */
 698                         this->vscroll->SetCount(this->vehicle_list.Length() + this->wagon_list.Length() + 1);
 699                         this->hscroll->SetCount(max_width);
 700                 } else {
 701                         this->vscroll->SetCount(CeilDiv(this->vehicle_list.Length(), this->num_columns));
 702                 }
 703
 704                 /* Setup disabled buttons. */
 705                 TileIndex tile = this->window_number;
 706                 this->SetWidgetsDisabledState(!IsTileOwner(tile, _local_company),
 707                         WID_D_STOP_ALL,
 708                         WID_D_START_ALL,
 709                         WID_D_SELL,
 710                         WID_D_SELL_CHAIN,
 711                         WID_D_SELL_ALL,
 712                         WID_D_BUILD,
 713                         WID_D_CLONE,
 714                         WID_D_RENAME,
 715                         WID_D_AUTOREPLACE,
 716                         WIDGET_LIST_END);
 717
 718                 this->DrawWidgets();
 719         }
 720
 721         virtual void OnClick(Point pt, int widget, int click_count)
 722         {
 723                 switch (widget) {
 724                         case WID_D_MATRIX: { // List
 725                                 NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_D_MATRIX);
 726                                 this->DepotClick(pt.x - nwi->pos_x, pt.y - nwi->pos_y);
 727                                 break;
 728                         }
 729
 730                         case WID_D_BUILD: // Build vehicle
 731                                 ResetPointerMode();
 732                                 ShowBuildVehicleWindow(this->window_number, this->type);
 733                                 break;
 734
 735                         case WID_D_CLONE: // Clone button
 736                                 this->SetWidgetDirty(WID_D_CLONE);
 737                                 this->ToggleWidgetLoweredState(WID_D_CLONE);
 738
 739                                 if (this->IsWidgetLowered(WID_D_CLONE)) {
 740                                         static const CursorID clone_icons[] = {
 741                                                 SPR_CURSOR_CLONE_TRAIN, SPR_CURSOR_CLONE_ROADVEH,
 742                                                 SPR_CURSOR_CLONE_SHIP, SPR_CURSOR_CLONE_AIRPLANE
 743                                         };
 744
 745                                         SetPointerMode (POINTER_VEHICLE, this, clone_icons[this->type]);
 746                                 } else {
 747                                         ResetPointerMode();
 748                                 }
 749                                 break;
 750
 751                         case WID_D_LOCATION:
 752                                 if (_ctrl_pressed) {
 753                                         ShowExtraViewPortWindow(this->window_number);
 754                                 } else {
 755                                         ScrollMainWindowToTile(this->window_number);
 756                                 }
 757                                 break;
 758
 759                         case WID_D_RENAME: // Rename button
 760                                 SetDParam(0, this->type);
 761                                 SetDParam(1, Depot::GetByTile((TileIndex)this->window_number)->index);
 762                                 ShowQueryString(STR_DEPOT_NAME, STR_DEPOT_RENAME_DEPOT_CAPTION, MAX_LENGTH_DEPOT_NAME_CHARS, this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT | QSF_LEN_IN_CHARS);
 763                                 break;
 764
 765                         case WID_D_STOP_ALL:
 766                         case WID_D_START_ALL: {
 767                                 VehicleListIdentifier vli(VL_DEPOT_LIST, this->type, this->owner);
 768                                 DoCommandP(this->window_number, (widget == WID_D_START_ALL ? (1 << 0) : 0), vli.Pack(), CMD_MASS_START_STOP);
 769                                 break;
 770                         }
 771
 772                         case WID_D_SELL_ALL:
 773                                 /* Only open the confirmation window if there are anything to sell */
 774                                 if (this->vehicle_list.Length() != 0 || this->wagon_list.Length() != 0) {
 775                                         TileIndex tile = this->window_number;
 776                                         byte vehtype = this->type;
 777
 778                                         SetDParam(0, vehtype);
 779                                         SetDParam(1, (vehtype == VEH_AIRCRAFT) ? GetStationIndex(tile) : GetDepotIndex(tile));
 780                                         ShowQuery(
 781                                                 STR_DEPOT_CAPTION,
 782                                                 STR_DEPOT_SELL_CONFIRMATION_TEXT,
 783                                                 this,
 784                                                 DepotSellAllConfirmationCallback
 785                                         );
 786                                 }
 787                                 break;
 788
 789                         case WID_D_VEHICLE_LIST:
 790                                 ShowVehicleListWindow(GetTileOwner(this->window_number), this->type, (TileIndex)this->window_number);
 791                                 break;
 792
 793                         case WID_D_AUTOREPLACE:
 794                                 DoCommandP(this->window_number, this->type, 0, CMD_DEPOT_MASS_AUTOREPLACE);
 795                                 break;
 796
 797                 }
 798         }
 799
 800         virtual void OnQueryTextFinished(char *str)
 801         {
 802                 if (str == NULL) return;
 803
 804                 /* Do depot renaming */
 805                 DoCommandP(0, GetDepotIndex(this->window_number), 0, CMD_RENAME_DEPOT, str);
 806         }
 807
 808         virtual bool OnRightClick(Point pt, int widget)
 809         {
 810                 if (widget != WID_D_MATRIX) return false;
 811
 812                 GetDepotVehiclePtData gdvp = { NULL, NULL };
 813                 const Vehicle *v = NULL;
 814                 NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_D_MATRIX);
 815                 DepotGUIAction mode = this->GetVehicleFromDepotWndPt(pt.x - nwi->pos_x, pt.y - nwi->pos_y, &v, &gdvp);
 816
 817                 if (this->type == VEH_TRAIN) v = gdvp.wagon;
 818
 819                 if (v == NULL || mode != MODE_DRAG_VEHICLE) return false;
 820
 821                 CargoArray capacity, loaded;
 822
 823                 /* Display info for single (articulated) vehicle, or for whole chain starting with selected vehicle */
 824                 bool whole_chain = (this->type == VEH_TRAIN && _ctrl_pressed);
 825
 826                 /* loop through vehicle chain and collect cargoes */
 827                 uint num = 0;
 828                 for (const Vehicle *w = v; w != NULL; w = w->Next()) {
 829                         if (w->cargo_cap > 0 && w->cargo_type < NUM_CARGO) {
 830                                 capacity[w->cargo_type] += w->cargo_cap;
 831                                 loaded  [w->cargo_type] += w->cargo.StoredCount();
 832                         }
 833
 834                         if (w->type == VEH_TRAIN && !w->HasArticulatedPart()) {
 835                                 num++;
 836                                 if (!whole_chain) break;
 837                         }
 838                 }
 839
 840                 /* Build tooltipstring */
 841                 static char details [1024];
 842                 stringb sb (details);
 843
 844                 for (CargoID cargo_type = 0; cargo_type < NUM_CARGO; cargo_type++) {
 845                         if (capacity[cargo_type] == 0) continue;
 846
 847                         SetDParam(0, cargo_type);           // {CARGO} #1
 848                         SetDParam(1, loaded[cargo_type]);   // {CARGO} #2
 849                         SetDParam(2, cargo_type);           // {SHORTCARGO} #1
 850                         SetDParam(3, capacity[cargo_type]); // {SHORTCARGO} #2
 851                         AppendString (&sb, STR_DEPOT_VEHICLE_TOOLTIP_CARGO);
 852                 }
 853
 854                 /* Show tooltip window */
 855                 uint64 args[2];
 856                 args[0] = (whole_chain ? num : v->engine_type);
 857                 args[1] = (uint64)(size_t)details;
 858                 GuiShowTooltips(this, whole_chain ? STR_DEPOT_VEHICLE_TOOLTIP_CHAIN : STR_DEPOT_VEHICLE_TOOLTIP, 2, args, TCC_RIGHT_CLICK);
 859
 860                 return true;
 861         }
 862
 863         /**
 864          * Clones a vehicle
 865          * @param v the original vehicle to clone
 866          * @return Always true.
 867          */
 868         virtual bool OnVehicleSelect(const Vehicle *v)
 869         {
 870                 if (DoCommandP(this->window_number, v->index, _ctrl_pressed ? 1 : 0, CMD_CLONE_VEHICLE)) {
 871                         ResetPointerMode();
 872                 }
 873                 return true;
 874         }
 875
 876         virtual void OnPlaceObjectAbort()
 877         {
 878                 /* abort clone */
 879                 this->RaiseWidget(WID_D_CLONE);
 880                 this->SetWidgetDirty(WID_D_CLONE);
 881
 882                 /* abort drag & drop */
 883                 this->sel = INVALID_VEHICLE;
 884                 this->vehicle_over = INVALID_VEHICLE;
 885                 this->SetWidgetDirty(WID_D_MATRIX);
 886         }
 887
 888         virtual void OnMouseDrag(Point pt, int widget)
 889         {
 890                 if (this->type != VEH_TRAIN || this->sel == INVALID_VEHICLE) return;
 891
 892                 /* A rail vehicle is dragged.. */
 893                 if (widget != WID_D_MATRIX) { // ..outside of the depot matrix.
 894                         if (this->vehicle_over != INVALID_VEHICLE) {
 895                                 this->vehicle_over = INVALID_VEHICLE;
 896                                 this->SetWidgetDirty(WID_D_MATRIX);
 897                         }
 898                         return;
 899                 }
 900
 901                 NWidgetBase *matrix = this->GetWidget<NWidgetBase>(widget);
 902                 const Vehicle *v = NULL;
 903                 GetDepotVehiclePtData gdvp = {NULL, NULL};
 904
 905                 if (this->GetVehicleFromDepotWndPt(pt.x - matrix->pos_x, pt.y - matrix->pos_y, &v, &gdvp) != MODE_DRAG_VEHICLE) return;
 906
 907                 VehicleID new_vehicle_over = INVALID_VEHICLE;
 908                 if (gdvp.head != NULL) {
 909                         if (gdvp.wagon == NULL && gdvp.head->Last()->index != this->sel) { // ..at the end of the train.
 910                                 /* NOTE: As a wagon can't be moved at the begin of a train, head index isn't used to mark a drag-and-drop
 911                                  * destination inside a train. This head index is then used to indicate that a wagon is inserted at
 912                                  * the end of the train.
 913                                  */
 914                                 new_vehicle_over = gdvp.head->index;
 915                         } else if (gdvp.wagon != NULL && gdvp.head != gdvp.wagon &&
 916                                         gdvp.wagon->index != this->sel &&
 917                                         gdvp.wagon->Previous()->index != this->sel) { // ..over an existing wagon.
 918                                 new_vehicle_over = gdvp.wagon->index;
 919                         }
 920                 }
 921
 922                 if (this->vehicle_over == new_vehicle_over) return;
 923
 924                 this->vehicle_over = new_vehicle_over;
 925                 this->SetWidgetDirty(widget);
 926         }
 927
 928         virtual void OnDragDrop(Point pt, int widget)
 929         {
 930                 switch (widget) {
 931                         case WID_D_MATRIX: {
 932                                 const Vehicle *v = NULL;
 933                                 VehicleID sel = this->sel;
 934
 935                                 this->sel = INVALID_VEHICLE;
 936                                 this->SetDirty();
 937
 938                                 NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_D_MATRIX);
 939                                 if (this->type == VEH_TRAIN) {
 940                                         GetDepotVehiclePtData gdvp = { NULL, NULL };
 941
 942                                         if (this->GetVehicleFromDepotWndPt(pt.x - nwi->pos_x, pt.y - nwi->pos_y, &v, &gdvp) == MODE_DRAG_VEHICLE && sel != INVALID_VEHICLE) {
 943                                                 if (gdvp.wagon != NULL && gdvp.wagon->index == sel && _ctrl_pressed) {
 944                                                         DoCommandP(Vehicle::Get(sel)->tile, Vehicle::Get(sel)->index, true, CMD_REVERSE_TRAIN_DIRECTION);
 945                                                 } else if (gdvp.wagon == NULL || gdvp.wagon->index != sel) {
 946                                                         this->vehicle_over = INVALID_VEHICLE;
 947                                                         TrainDepotMoveVehicle(gdvp.wagon, sel, gdvp.head);
 948                                                 } else if (gdvp.head != NULL && gdvp.head->IsFrontEngine()) {
 949                                                         ShowVehicleViewWindow(gdvp.head);
 950                                                 }
 951                                         }
 952                                 } else if (this->GetVehicleFromDepotWndPt(pt.x - nwi->pos_x, pt.y - nwi->pos_y, &v, NULL) == MODE_DRAG_VEHICLE && v != NULL && sel == v->index) {
 953                                         ShowVehicleViewWindow(v);
 954                                 }
 955                                 break;
 956                         }
 957
 958                         case WID_D_SELL: case WID_D_SELL_CHAIN: {
 959                                 if (this->IsWidgetDisabled(widget)) return;
 960                                 if (this->sel == INVALID_VEHICLE) return;
 961
 962                                 this->HandleButtonClick(widget);
 963
 964                                 const Vehicle *v = Vehicle::Get(this->sel);
 965                                 this->sel = INVALID_VEHICLE;
 966                                 this->SetDirty();
 967
 968                                 int sell_cmd = (v->type == VEH_TRAIN && (widget == WID_D_SELL_CHAIN || _ctrl_pressed)) ? 1 : 0;
 969                                 DoCommandP(v->tile, v->index | sell_cmd << 20 | MAKE_ORDER_BACKUP_FLAG, 0, CMD_SELL_VEHICLE);
 970                                 break;
 971                         }
 972
 973                         default:
 974                                 this->sel = INVALID_VEHICLE;
 975                                 this->SetDirty();
 976                 }
 977                 _cursor.vehchain = false;
 978         }
 979
 980         virtual void OnTimeout()
 981         {
 982                 if (!this->IsWidgetDisabled(WID_D_SELL)) {
 983                         this->RaiseWidget(WID_D_SELL);
 984                         this->SetWidgetDirty(WID_D_SELL);
 985                 }
 986                 if (this->nested_array[WID_D_SELL] != NULL && !this->IsWidgetDisabled(WID_D_SELL_CHAIN)) {
 987                         this->RaiseWidget(WID_D_SELL_CHAIN);
 988                         this->SetWidgetDirty(WID_D_SELL_CHAIN);
 989                 }
 990         }
 991
 992         virtual void OnResize()
 993         {
 994                 this->vscroll->SetCapacityFromWidget(this, WID_D_MATRIX);
 995                 NWidgetCore *nwi = this->GetWidget<NWidgetCore>(WID_D_MATRIX);
 996                 if (this->type == VEH_TRAIN) {
 997                         this->hscroll->SetCapacity(nwi->current_x - this->header_width - this->count_width);
 998                 } else {
 999                         this->num_columns = nwi->current_x / nwi->resize_x;
1000                 }
1001         }
1002
1003         virtual EventState OnCTRLStateChange()
1004         {
1005                 if (this->sel != INVALID_VEHICLE) {
1006                         _cursor.vehchain = _ctrl_pressed;
1007                         this->SetWidgetDirty(WID_D_MATRIX);
1008                         return ES_HANDLED;
1009                 }
1010
1011                 return ES_NOT_HANDLED;
1012         }
1013 };
1014
1015 static void DepotSellAllConfirmationCallback(Window *win, bool confirmed)
1016 {
1017         if (confirmed) {
1018                 DepotWindow *w = (DepotWindow*)win;
1019                 TileIndex tile = w->window_number;
1020                 byte vehtype = w->type;
1021                 DoCommandP(tile, vehtype, 0, CMD_DEPOT_SELL_ALL_VEHICLES);
1022         }
1023 }
1024
1025 /**
1026  * Opens a depot window
1027  * @param tile The tile where the depot/hangar is located
1028  * @param type The type of vehicles in the depot
1029  */
1030 void ShowDepotWindow(TileIndex tile, VehicleType type)
1031 {
1032         if (BringWindowToFrontById(WC_VEHICLE_DEPOT, tile) != NULL) return;
1033
1034         const WindowDesc *desc;
1035         switch (type) {
1036                 default: NOT_REACHED();
1037                 case VEH_TRAIN:    desc = &_train_depot_desc;    break;
1038                 case VEH_ROAD:     desc = &_road_depot_desc;     break;
1039                 case VEH_SHIP:     desc = &_ship_depot_desc;     break;
1040                 case VEH_AIRCRAFT: desc = &_aircraft_depot_desc; break;
1041         }
1042
1043         new DepotWindow(desc, tile, type);
1044 }
1045
1046 /**
1047  * Removes the highlight of a vehicle in a depot window
1048  * @param *v Vehicle to remove all highlights from
1049  */
1050 void DeleteDepotHighlightOfVehicle(const Vehicle *v)
1051 {
1052         DepotWindow *w;
1053
1054         /* If we haven't got any vehicles on the mouse pointer, we haven't got any highlighted in any depots either
1055          * If that is the case, we can skip looping though the windows and save time
1056          */
1057         if (_pointer_mode != POINTER_DRAG) return;
1058
1059         w = dynamic_cast<DepotWindow*>(FindWindowById(WC_VEHICLE_DEPOT, v->tile));
1060         if (w != NULL) {
1061                 if (w->sel == v->index) ResetPointerMode();
1062         }
1063 }