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 _train_depot_desc(
  83         WDP_AUTO, "depot_train", 362, 123,
  84         WC_VEHICLE_DEPOT, WC_NONE,
  85         0,
  86         _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets)
  87 );
  88
  89 static WindowDesc _road_depot_desc(
  90         WDP_AUTO, "depot_roadveh", 316, 97,
  91         WC_VEHICLE_DEPOT, WC_NONE,
  92         0,
  93         _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets)
  94 );
  95
  96 static WindowDesc _ship_depot_desc(
  97         WDP_AUTO, "depot_ship", 306, 99,
  98         WC_VEHICLE_DEPOT, WC_NONE,
  99         0,
 100         _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets)
 101 );
 102
 103 static WindowDesc _aircraft_depot_desc(
 104         WDP_AUTO, "depot_aircraft", 332, 99,
 105         WC_VEHICLE_DEPOT, WC_NONE,
 106         0,
 107         _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets)
 108 );
 109
 110 extern void DepotSortList(VehicleList *list);
 111
 112 /**
 113  * This is the Callback method after the cloning attempt of a vehicle
 114  * @param result the result of the cloning command
 115  * @param tile unused
 116  * @param p1 unused
 117  * @param p2 unused
 118  */
 119 void CcCloneVehicle(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
 120 {
 121         if (result.Failed()) return;
 122
 123         const Vehicle *v = Vehicle::Get(_new_vehicle_id);
 124
 125         ShowVehicleViewWindow(v);
 126 }
 127
 128 static void TrainDepotMoveVehicle(const Vehicle *wagon, VehicleID sel, const Vehicle *head)
 129 {
 130         const Vehicle *v = Vehicle::Get(sel);
 131
 132         if (v == wagon) return;
 133
 134         if (wagon == NULL) {
 135                 if (head != NULL) wagon = head->Last();
 136         } else {
 137                 wagon = wagon->Previous();
 138                 if (wagon == NULL) return;
 139         }
 140
 141         if (wagon == v) return;
 142
 143         DoCommandP(v->tile, v->index | (_ctrl_pressed ? 1 : 0) << 20, wagon == NULL ? INVALID_VEHICLE : wagon->index, CMD_MOVE_RAIL_VEHICLE | CMD_MSG(STR_ERROR_CAN_T_MOVE_VEHICLE));
 144 }
 145
 146 static VehicleCellSize _base_block_sizes_depot[VEH_COMPANY_END];    ///< Cell size for vehicle images in the depot view.
 147 static VehicleCellSize _base_block_sizes_purchase[VEH_COMPANY_END]; ///< Cell size for vehicle images in the purchase list.
 148
 149 /**
 150  * Get the GUI cell size for a vehicle image.
 151  * @param type Vehicle type to get the size for.
 152  * @param image_type Image type to get size for.
 153  * @pre image_type == EIT_IN_DEPOT || image_type == EIT_PURCHASE
 154  * @return Cell dimensions for the vehicle and image type.
 155  */
 156 VehicleCellSize GetVehicleImageCellSize(VehicleType type, EngineImageType image_type)
 157 {
 158         switch (image_type) {
 159                 case EIT_IN_DEPOT: return _base_block_sizes_depot[type];
 160                 case EIT_PURCHASE: return _base_block_sizes_purchase[type];
 161                 default: NOT_REACHED();
 162         }
 163 }
 164
 165 static void InitBlocksizeForVehicles(VehicleType type, EngineImageType image_type)
 166 {
 167         int max_extend_left  = 0;
 168         int max_extend_right = 0;
 169         uint max_height = 0;
 170
 171         const Engine *e;
 172         FOR_ALL_ENGINES_OF_TYPE(e, type) {
 173                 if (!e->IsEnabled()) continue;
 174
 175                 EngineID eid = e->index;
 176                 uint x, y;
 177                 int x_offs, y_offs;
 178
 179                 switch (type) {
 180                         default: NOT_REACHED();
 181                         case VEH_TRAIN:    GetTrainSpriteSize(   eid, x, y, x_offs, y_offs, image_type); break;
 182                         case VEH_ROAD:     GetRoadVehSpriteSize( eid, x, y, x_offs, y_offs, image_type); break;
 183                         case VEH_SHIP:     GetShipSpriteSize(    eid, x, y, x_offs, y_offs, image_type); break;
 184                         case VEH_AIRCRAFT: GetAircraftSpriteSize(eid, x, y, x_offs, y_offs, image_type); break;
 185                 }
 186                 if (y > max_height) max_height = y;
 187                 if (-x_offs > max_extend_left) max_extend_left = -x_offs;
 188                 if ((int)x + x_offs > max_extend_right) max_extend_right = x + x_offs;
 189         }
 190
 191         switch (image_type) {
 192                 case EIT_IN_DEPOT:
 193                         _base_block_sizes_depot[type].height       = max(GetVehicleHeight(type), max_height);
 194                         _base_block_sizes_depot[type].extend_left  = Clamp(max_extend_left, 16, 98);
 195                         _base_block_sizes_depot[type].extend_right = Clamp(max_extend_right, 16, 98);
 196                         break;
 197                 case EIT_PURCHASE:
 198                         _base_block_sizes_purchase[type].height       = max(GetVehicleHeight(type), max_height);
 199                         _base_block_sizes_purchase[type].extend_left  = Clamp(max_extend_left, 16, 98);
 200                         _base_block_sizes_purchase[type].extend_right = Clamp(max_extend_right, 16, 98);
 201                         break;
 202
 203                 default: NOT_REACHED();
 204         }
 205 }
 206
 207 /**
 208  * 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.
 209  * @note Calling this function once for each game is enough.
 210  */
 211 void InitDepotWindowBlockSizes()
 212 {
 213         for (VehicleType vt = VEH_BEGIN; vt < VEH_COMPANY_END; vt++) {
 214                 InitBlocksizeForVehicles(vt, EIT_IN_DEPOT);
 215                 InitBlocksizeForVehicles(vt, EIT_PURCHASE);
 216         }
 217 }
 218
 219 static void DepotSellAllConfirmationCallback(Window *w, bool confirmed);
 220 const Sprite *GetAircraftSprite(EngineID engine);
 221
 222 struct DepotWindow : Window {
 223         VehicleID sel;
 224         VehicleID vehicle_over; ///< Rail vehicle over which another one is dragged, \c INVALID_VEHICLE if none.
 225         VehicleType type;
 226         bool generate_list;
 227         VehicleList vehicle_list;
 228         VehicleList wagon_list;
 229         uint num_columns;       ///< Number of columns.
 230         Scrollbar *hscroll;     ///< Only for trains.
 231         Scrollbar *vscroll;
 232
 233         DepotWindow(WindowDesc *desc, TileIndex tile, VehicleType type) : Window(desc)
 234         {
 235                 assert(IsCompanyBuildableVehicleType(type)); // ensure that we make the call with a valid type
 236
 237                 this->sel = INVALID_VEHICLE;
 238                 this->vehicle_over = INVALID_VEHICLE;
 239                 this->generate_list = true;
 240                 this->type = type;
 241                 this->num_columns = 1; // for non-trains this gets set in FinishInitNested()
 242
 243                 this->CreateNestedTree();
 244                 this->hscroll = (this->type == VEH_TRAIN ? this->GetScrollbar(WID_D_H_SCROLL) : NULL);
 245                 this->vscroll = this->GetScrollbar(WID_D_V_SCROLL);
 246                 /* Don't show 'rename button' of aircraft hangar */
 247                 this->GetWidget<NWidgetStacked>(WID_D_SHOW_RENAME)->SetDisplayedPlane(type == VEH_AIRCRAFT ? SZSP_NONE : 0);
 248                 /* Only train depots have a horizontal scrollbar and a 'sell chain' button */
 249                 if (type == VEH_TRAIN) this->GetWidget<NWidgetCore>(WID_D_MATRIX)->widget_data = 1 << MAT_COL_START;
 250                 this->GetWidget<NWidgetStacked>(WID_D_SHOW_H_SCROLL)->SetDisplayedPlane(type == VEH_TRAIN ? 0 : SZSP_HORIZONTAL);
 251                 this->GetWidget<NWidgetStacked>(WID_D_SHOW_SELL_CHAIN)->SetDisplayedPlane(type == VEH_TRAIN ? 0 : SZSP_NONE);
 252                 this->SetupWidgetData(type);
 253                 this->FinishInitNested(tile);
 254
 255                 this->owner = GetTileOwner(tile);
 256                 OrderBackup::Reset();
 257         }
 258
 259         ~DepotWindow()
 260         {
 261                 DeleteWindowById(WC_BUILD_VEHICLE, this->window_number);
 262                 OrderBackup::Reset(this->window_number);
 263         }
 264
 265         /**
 266          * Draw a vehicle in the depot window in the box with the top left corner at x,y.
 267          * @param v     Vehicle to draw.
 268          * @param left  Left side of the box to draw in.
 269          * @param right Right side of the box to draw in.
 270          * @param y     Top of the box to draw in.
 271          */
 272         void DrawVehicleInDepot(const Vehicle *v, int left, int right, int y) const
 273         {
 274                 bool free_wagon = false;
 275                 int sprite_y = y + (this->resize.step_height - GetVehicleHeight(v->type)) / 2;
 276
 277                 bool rtl = _current_text_dir == TD_RTL;
 278                 int image_left  = rtl ? left  + this->count_width  : left  + this->header_width;
 279                 int image_right = rtl ? right - this->header_width : right - this->count_width;
 280
 281                 switch (v->type) {
 282                         case VEH_TRAIN: {
 283                                 const Train *u = Train::From(v);
 284                                 free_wagon = u->IsFreeWagon();
 285
 286                                 uint x_space = free_wagon ? TRAININFO_DEFAULT_VEHICLE_WIDTH : 0;
 287                                 DrawTrainImage(u, image_left + (rtl ? 0 : x_space), image_right - (rtl ? x_space : 0), sprite_y - 1,
 288                                                 this->sel, EIT_IN_DEPOT, free_wagon ? 0 : this->hscroll->GetPosition(), this->vehicle_over);
 289
 290                                 /* Length of consist in tiles with 1 fractional digit (rounded up) */
 291                                 SetDParam(0, CeilDiv(u->gcache.cached_total_length * 10, TILE_SIZE));
 292                                 SetDParam(1, 1);
 293                                 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
 294                                 break;
 295                         }
 296
 297                         case VEH_ROAD:     DrawRoadVehImage( v, image_left, image_right, sprite_y, this->sel, EIT_IN_DEPOT); break;
 298                         case VEH_SHIP:     DrawShipImage(    v, image_left, image_right, sprite_y, this->sel, EIT_IN_DEPOT); break;
 299                         case VEH_AIRCRAFT: {
 300                                 const Sprite *spr = GetSprite(v->GetImage(DIR_W, EIT_IN_DEPOT), ST_NORMAL);
 301                                 DrawAircraftImage(v, image_left, image_right,
 302                                                                         y + max(UnScaleByZoom(spr->height, ZOOM_LVL_GUI) + UnScaleByZoom(spr->y_offs, ZOOM_LVL_GUI) - 14, 0), // tall sprites needs an y offset
 303                                                                         this->sel, EIT_IN_DEPOT);
 304                                 break;
 305                         }
 306                         default: NOT_REACHED();
 307                 }
 308
 309                 uint diff_x, diff_y;
 310                 if (v->IsGroundVehicle()) {
 311                         /* Arrange unitnumber and flag horizontally */
 312                         diff_x = this->flag_width + WD_FRAMERECT_LEFT;
 313                         diff_y = (this->resize.step_height - this->flag_height) / 2 - 2;
 314                 } else {
 315                         /* Arrange unitnumber and flag vertically */
 316                         diff_x = WD_FRAMERECT_LEFT;
 317                         diff_y = FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
 318                 }
 319                 int text_left  = rtl ? right - this->header_width - 1 : left + diff_x;
 320                 int text_right = rtl ? right - diff_x : left + this->header_width - 1;
 321
 322                 if (free_wagon) {
 323                         DrawString(text_left, text_right, y + 2, STR_DEPOT_NO_ENGINE);
 324                 } else {
 325                         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);
 326
 327                         SetDParam(0, v->unitnumber);
 328                         DrawString(text_left, text_right, y + 2, (uint16)(v->max_age - DAYS_IN_LEAP_YEAR) >= v->age ? STR_BLACK_COMMA : STR_RED_COMMA);
 329                 }
 330         }
 331
 332         void DrawWidget(const Rect &r, int widget) const
 333         {
 334                 if (widget != WID_D_MATRIX) return;
 335
 336                 bool rtl = _current_text_dir == TD_RTL;
 337
 338                 /* Set the row and number of boxes in each row based on the number of boxes drawn in the matrix */
 339                 const NWidgetCore *wid = this->GetWidget<NWidgetCore>(WID_D_MATRIX);
 340                 uint16 rows_in_display = wid->current_y / wid->resize_y;
 341
 342                 uint16 num = this->vscroll->GetPosition() * this->num_columns;
 343                 int maxval = min(this->vehicle_list.Length(), num + (rows_in_display * this->num_columns));
 344                 int y;
 345                 for (y = r.top + 1; num < maxval; y += this->resize.step_height) { // Draw the rows
 346                         for (byte i = 0; i < this->num_columns && num < maxval; i++, num++) {
 347                                 /* Draw all vehicles in the current row */
 348                                 const Vehicle *v = this->vehicle_list[num];
 349                                 if (this->num_columns == 1) {
 350                                         this->DrawVehicleInDepot(v, r.left, r.right, y);
 351                                 } else {
 352                                         int x = r.left + (rtl ? (this->num_columns - i - 1) : i) * this->resize.step_width;
 353                                         this->DrawVehicleInDepot(v, x, x + this->resize.step_width - 1, y);
 354                                 }
 355                         }
 356                 }
 357
 358                 maxval = min(this->vehicle_list.Length() + this->wagon_list.Length(), (this->vscroll->GetPosition() * this->num_columns) + (rows_in_display * this->num_columns));
 359
 360                 /* Draw the train wagons without an engine in front. */
 361                 for (; num < maxval; num++, y += this->resize.step_height) {
 362                         const Vehicle *v = this->wagon_list[num - this->vehicle_list.Length()];
 363                         this->DrawVehicleInDepot(v, r.left, r.right, y);
 364                 }
 365         }
 366
 367         void SetStringParameters(int widget) const
 368         {
 369                 if (widget != WID_D_CAPTION) return;
 370
 371                 /* locate the depot struct */
 372                 TileIndex tile = this->window_number;
 373                 SetDParam(0, this->type);
 374                 SetDParam(1, (this->type == VEH_AIRCRAFT) ? GetStationIndex(tile) : GetDepotIndex(tile));
 375         }
 376
 377         struct GetDepotVehiclePtData {
 378                 const Vehicle *head;
 379                 const Vehicle *wagon;
 380         };
 381
 382         enum DepotGUIAction {
 383                 MODE_ERROR,
 384                 MODE_DRAG_VEHICLE,
 385                 MODE_SHOW_VEHICLE,
 386                 MODE_START_STOP,
 387         };
 388
 389         DepotGUIAction GetVehicleFromDepotWndPt(int x, int y, const Vehicle **veh, GetDepotVehiclePtData *d) const
 390         {
 391                 const NWidgetCore *matrix_widget = this->GetWidget<NWidgetCore>(WID_D_MATRIX);
 392                 /* In case of RTL the widgets are swapped as a whole */
 393                 if (_current_text_dir == TD_RTL) x = matrix_widget->current_x - x;
 394
 395                 uint xt = 0, xm = 0, ym = 0;
 396                 if (this->type == VEH_TRAIN) {
 397                         xm = x;
 398                 } else {
 399                         xt = x / this->resize.step_width;
 400                         xm = x % this->resize.step_width;
 401                         if (xt >= this->num_columns) return MODE_ERROR;
 402                 }
 403                 ym = y % this->resize.step_height;
 404
 405                 uint row = y / this->resize.step_height;
 406                 if (row >= this->vscroll->GetCapacity()) return MODE_ERROR;
 407
 408                 uint pos = ((row + this->vscroll->GetPosition()) * this->num_columns) + xt;
 409
 410                 if (this->vehicle_list.Length() + this->wagon_list.Length() <= pos) {
 411                         /* Clicking on 'line' / 'block' without a vehicle */
 412                         if (this->type == VEH_TRAIN) {
 413                                 /* End the dragging */
 414                                 d->head  = NULL;
 415                                 d->wagon = NULL;
 416                                 return MODE_DRAG_VEHICLE;
 417                         } else {
 418                                 return MODE_ERROR; // empty block, so no vehicle is selected
 419                         }
 420                 }
 421
 422                 bool wagon = false;
 423                 if (this->vehicle_list.Length() > pos) {
 424                         *veh = this->vehicle_list[pos];
 425                         /* Skip vehicles that are scrolled off the list */
 426                         if (this->type == VEH_TRAIN) x += this->hscroll->GetPosition();
 427                 } else {
 428                         pos -= this->vehicle_list.Length();
 429                         *veh = this->wagon_list[pos];
 430                         /* free wagons don't have an initial loco. */
 431                         x -= VEHICLEINFO_FULL_VEHICLE_WIDTH;
 432                         wagon = true;
 433                 }
 434
 435                 const Train *v = NULL;
 436                 if (this->type == VEH_TRAIN) {
 437                         v = Train::From(*veh);
 438                         d->head = d->wagon = v;
 439                 }
 440
 441                 if (xm <= this->header_width) {
 442                         switch (this->type) {
 443                                 case VEH_TRAIN:
 444                                         if (wagon) return MODE_ERROR;
 445                                         /* FALL THROUGH */
 446                                 case VEH_ROAD:
 447                                         if (xm <= this->flag_width) return MODE_START_STOP;
 448                                         break;
 449
 450                                 case VEH_SHIP:
 451                                 case VEH_AIRCRAFT:
 452                                         if (xm <= this->flag_width && ym >= (uint)(FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL)) return MODE_START_STOP;
 453                                         break;
 454
 455                                 default: NOT_REACHED();
 456                         }
 457                         return MODE_SHOW_VEHICLE;
 458                 }
 459
 460                 if (this->type != VEH_TRAIN) return MODE_DRAG_VEHICLE;
 461
 462                 /* Clicking on the counter */
 463                 if (xm >= matrix_widget->current_x - this->count_width) return wagon ? MODE_ERROR : MODE_SHOW_VEHICLE;
 464
 465                 /* Account for the header */
 466                 x -= this->header_width;
 467
 468                 /* find the vehicle in this row that was clicked */
 469                 for (; v != NULL; v = v->Next()) {
 470                         x -= v->GetDisplayImageWidth();
 471                         if (x < 0) break;
 472                 }
 473
 474                 d->wagon = (v != NULL ? v->GetFirstEnginePart() : NULL);
 475
 476                 return MODE_DRAG_VEHICLE;
 477         }
 478
 479         /**
 480          * Handle click in the depot matrix.
 481          * @param x Horizontal position in the matrix widget in pixels.
 482          * @param y Vertical position in the matrix widget in pixels.
 483          */
 484         void DepotClick(int x, int y)
 485         {
 486                 GetDepotVehiclePtData gdvp = { NULL, NULL };
 487                 const Vehicle *v = NULL;
 488                 DepotGUIAction mode = this->GetVehicleFromDepotWndPt(x, y, &v, &gdvp);
 489
 490                 if (this->type == VEH_TRAIN) v = gdvp.wagon;
 491
 492                 switch (mode) {
 493                         case MODE_ERROR: // invalid
 494                                 return;
 495
 496                         case MODE_DRAG_VEHICLE: { // start dragging of vehicle
 497                                 if (v != NULL && VehicleClicked(v)) return;
 498
 499                                 VehicleID sel = this->sel;
 500
 501                                 if (this->type == VEH_TRAIN && sel != INVALID_VEHICLE) {
 502                                         this->sel = INVALID_VEHICLE;
 503                                         TrainDepotMoveVehicle(v, sel, gdvp.head);
 504                                 } else if (v != NULL) {
 505                                         bool rtl = _current_text_dir == TD_RTL;
 506                                         int image = v->GetImage(rtl ? DIR_E : DIR_W, EIT_IN_DEPOT);
 507                                         SetObjectToPlaceWnd(image, GetVehiclePalette(v), HT_DRAG, this);
 508
 509                                         this->sel = v->index;
 510                                         this->SetDirty();
 511
 512                                         _cursor.short_vehicle_offset = v->IsGroundVehicle() ? (16 - v->GetGroundVehicleCache()->cached_veh_length * 2) * (rtl ? -1 : 1) : 0;
 513                                         _cursor.vehchain = _ctrl_pressed;
 514                                 }
 515                                 break;
 516                         }
 517
 518                         case MODE_SHOW_VEHICLE: // show info window
 519                                 ShowVehicleViewWindow(v);
 520                                 break;
 521
 522                         case MODE_START_STOP: // click start/stop flag
 523                                 StartStopVehicle(v, false);
 524                                 break;
 525
 526                         default: NOT_REACHED();
 527                 }
 528         }
 529
 530         /**
 531          * Function to set up vehicle specific widgets (mainly sprites and strings).
 532          * Only use this function to if the widget is used for several vehicle types and each has
 533          * different text/sprites. If the widget is only used for a single vehicle type, or the same
 534          * text/sprites are used every time, use the nested widget array to initialize the widget.
 535          */
 536         void SetupWidgetData(VehicleType type)
 537         {
 538                 this->GetWidget<NWidgetCore>(WID_D_STOP_ALL)->tool_tip     = STR_DEPOT_MASS_STOP_DEPOT_TRAIN_TOOLTIP + type;
 539                 this->GetWidget<NWidgetCore>(WID_D_START_ALL)->tool_tip    = STR_DEPOT_MASS_START_DEPOT_TRAIN_TOOLTIP + type;
 540                 this->GetWidget<NWidgetCore>(WID_D_SELL)->tool_tip         = STR_DEPOT_TRAIN_SELL_TOOLTIP + type;
 541                 this->GetWidget<NWidgetCore>(WID_D_SELL_ALL)->tool_tip     = STR_DEPOT_SELL_ALL_BUTTON_TRAIN_TOOLTIP + type;
 542
 543                 this->GetWidget<NWidgetCore>(WID_D_BUILD)->SetDataTip(STR_DEPOT_TRAIN_NEW_VEHICLES_BUTTON + type, STR_DEPOT_TRAIN_NEW_VEHICLES_TOOLTIP + type);
 544                 this->GetWidget<NWidgetCore>(WID_D_CLONE)->SetDataTip(STR_DEPOT_CLONE_TRAIN + type, STR_DEPOT_CLONE_TRAIN_DEPOT_INFO + type);
 545
 546                 this->GetWidget<NWidgetCore>(WID_D_LOCATION)->tool_tip     = STR_DEPOT_TRAIN_LOCATION_TOOLTIP + type;
 547                 this->GetWidget<NWidgetCore>(WID_D_VEHICLE_LIST)->tool_tip = STR_DEPOT_VEHICLE_ORDER_LIST_TRAIN_TOOLTIP + type;
 548                 this->GetWidget<NWidgetCore>(WID_D_AUTOREPLACE)->tool_tip  = STR_DEPOT_AUTOREPLACE_TRAIN_TOOLTIP + type;
 549                 this->GetWidget<NWidgetCore>(WID_D_MATRIX)->tool_tip       = STR_DEPOT_TRAIN_LIST_TOOLTIP + this->type;
 550
 551                 switch (type) {
 552                         default: NOT_REACHED();
 553
 554                         case VEH_TRAIN:
 555                                 this->GetWidget<NWidgetCore>(WID_D_VEHICLE_LIST)->widget_data = STR_TRAIN;
 556
 557                                 /* Sprites */
 558                                 this->GetWidget<NWidgetCore>(WID_D_SELL)->widget_data        = SPR_SELL_TRAIN;
 559                                 this->GetWidget<NWidgetCore>(WID_D_SELL_ALL)->widget_data    = SPR_SELL_ALL_TRAIN;
 560                                 this->GetWidget<NWidgetCore>(WID_D_AUTOREPLACE)->widget_data = SPR_REPLACE_TRAIN;
 561                                 break;
 562
 563                         case VEH_ROAD:
 564                                 this->GetWidget<NWidgetCore>(WID_D_VEHICLE_LIST)->widget_data = STR_LORRY;
 565
 566                                 /* Sprites */
 567                                 this->GetWidget<NWidgetCore>(WID_D_SELL)->widget_data        = SPR_SELL_ROADVEH;
 568                                 this->GetWidget<NWidgetCore>(WID_D_SELL_ALL)->widget_data    = SPR_SELL_ALL_ROADVEH;
 569                                 this->GetWidget<NWidgetCore>(WID_D_AUTOREPLACE)->widget_data = SPR_REPLACE_ROADVEH;
 570                                 break;
 571
 572                         case VEH_SHIP:
 573                                 this->GetWidget<NWidgetCore>(WID_D_VEHICLE_LIST)->widget_data = STR_SHIP;
 574
 575                                 /* Sprites */
 576                                 this->GetWidget<NWidgetCore>(WID_D_SELL)->widget_data        = SPR_SELL_SHIP;
 577                                 this->GetWidget<NWidgetCore>(WID_D_SELL_ALL)->widget_data    = SPR_SELL_ALL_SHIP;
 578                                 this->GetWidget<NWidgetCore>(WID_D_AUTOREPLACE)->widget_data = SPR_REPLACE_SHIP;
 579                                 break;
 580
 581                         case VEH_AIRCRAFT:
 582                                 this->GetWidget<NWidgetCore>(WID_D_VEHICLE_LIST)->widget_data = STR_PLANE;
 583
 584                                 /* Sprites */
 585                                 this->GetWidget<NWidgetCore>(WID_D_SELL)->widget_data        = SPR_SELL_AIRCRAFT;
 586                                 this->GetWidget<NWidgetCore>(WID_D_SELL_ALL)->widget_data    = SPR_SELL_ALL_AIRCRAFT;
 587                                 this->GetWidget<NWidgetCore>(WID_D_AUTOREPLACE)->widget_data = SPR_REPLACE_AIRCRAFT;
 588                                 break;
 589                 }
 590         }
 591
 592         uint count_width;
 593         uint header_width;
 594         uint flag_width;
 595         uint flag_height;
 596
 597         virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
 598         {
 599                 switch (widget) {
 600                         case WID_D_MATRIX: {
 601                                 uint min_height = 0;
 602
 603                                 if (this->type == VEH_TRAIN) {
 604                                         SetDParamMaxValue(0, 1000, 0, FS_SMALL);
 605                                         SetDParam(1, 1);
 606                                         this->count_width = GetStringBoundingBox(STR_TINY_BLACK_DECIMAL).width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
 607                                 } else {
 608                                         this->count_width = 0;
 609                                 }
 610
 611                                 Dimension unumber = { GetDigitWidth() * 4, FONT_HEIGHT_NORMAL };
 612                                 const Sprite *spr = GetSprite(SPR_FLAG_VEH_STOPPED, ST_NORMAL);
 613                                 this->flag_width  = UnScaleByZoom(spr->width, ZOOM_LVL_GUI) + WD_FRAMERECT_RIGHT;
 614                                 this->flag_height = UnScaleByZoom(spr->height, ZOOM_LVL_GUI);
 615
 616                                 if (this->type == VEH_TRAIN || this->type == VEH_ROAD) {
 617                                         min_height = max<uint>(unumber.height + WD_MATRIX_TOP, UnScaleByZoom(spr->height, ZOOM_LVL_GUI));
 618                                         this->header_width = unumber.width + this->flag_width + WD_FRAMERECT_LEFT;
 619                                 } else {
 620                                         min_height = unumber.height + UnScaleByZoom(spr->height, ZOOM_LVL_GUI) + WD_MATRIX_TOP + WD_PAR_VSEP_NORMAL + WD_MATRIX_BOTTOM;
 621                                         this->header_width = max<uint>(unumber.width, this->flag_width) + WD_FRAMERECT_RIGHT;
 622                                 }
 623                                 int base_width = this->count_width + this->header_width;
 624
 625                                 resize->height = max<uint>(GetVehicleImageCellSize(this->type, EIT_IN_DEPOT).height, min_height);
 626                                 if (this->type == VEH_TRAIN) {
 627                                         resize->width = 1;
 628                                         size->width = base_width + 2 * 29; // about 2 parts
 629                                         size->height = resize->height * 6;
 630                                 } else {
 631                                         resize->width = base_width + GetVehicleImageCellSize(this->type, EIT_IN_DEPOT).extend_left + GetVehicleImageCellSize(this->type, EIT_IN_DEPOT).extend_right;
 632                                         size->width = resize->width * (this->type == VEH_ROAD ? 5 : 3);
 633                                         size->height = resize->height * (this->type == VEH_ROAD ? 5 : 3);
 634                                 }
 635                                 fill->width = resize->width;
 636                                 fill->height = resize->height;
 637                                 break;
 638                         }
 639                 }
 640         }
 641
 642         /**
 643          * Some data on this window has become invalid.
 644          * @param data Information about the changed data.
 645          * @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.
 646          */
 647         virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
 648         {
 649                 this->generate_list = true;
 650         }
 651
 652         virtual void OnPaint()
 653         {
 654                 if (this->generate_list) {
 655                         /* Generate the vehicle list
 656                          * It's ok to use the wagon pointers for non-trains as they will be ignored */
 657                         BuildDepotVehicleList(this->type, this->window_number, &this->vehicle_list, &this->wagon_list);
 658                         this->generate_list = false;
 659                         DepotSortList(&this->vehicle_list);
 660                 }
 661
 662                 /* determine amount of items for scroller */
 663                 if (this->type == VEH_TRAIN) {
 664                         uint max_width = VEHICLEINFO_FULL_VEHICLE_WIDTH;
 665                         for (uint num = 0; num < this->vehicle_list.Length(); num++) {
 666                                 uint width = 0;
 667                                 for (const Train *v = Train::From(this->vehicle_list[num]); v != NULL; v = v->Next()) {
 668                                         width += v->GetDisplayImageWidth();
 669                                 }
 670                                 max_width = max(max_width, width);
 671                         }
 672                         /* Always have 1 empty row, so people can change the setting of the train */
 673                         this->vscroll->SetCount(this->vehicle_list.Length() + this->wagon_list.Length() + 1);
 674                         this->hscroll->SetCount(max_width);
 675                 } else {
 676                         this->vscroll->SetCount(CeilDiv(this->vehicle_list.Length(), this->num_columns));
 677                 }
 678
 679                 /* Setup disabled buttons. */
 680                 TileIndex tile = this->window_number;
 681                 this->SetWidgetsDisabledState(!IsTileOwner(tile, _local_company),
 682                         WID_D_STOP_ALL,
 683                         WID_D_START_ALL,
 684                         WID_D_SELL,
 685                         WID_D_SELL_CHAIN,
 686                         WID_D_SELL_ALL,
 687                         WID_D_BUILD,
 688                         WID_D_CLONE,
 689                         WID_D_RENAME,
 690                         WID_D_AUTOREPLACE,
 691                         WIDGET_LIST_END);
 692
 693                 this->DrawWidgets();
 694         }
 695
 696         virtual void OnClick(Point pt, int widget, int click_count)
 697         {
 698                 switch (widget) {
 699                         case WID_D_MATRIX: { // List
 700                                 NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_D_MATRIX);
 701                                 this->DepotClick(pt.x - nwi->pos_x, pt.y - nwi->pos_y);
 702                                 break;
 703                         }
 704
 705                         case WID_D_BUILD: // Build vehicle
 706                                 ResetObjectToPlace();
 707                                 ShowBuildVehicleWindow(this->window_number, this->type);
 708                                 break;
 709
 710                         case WID_D_CLONE: // Clone button
 711                                 this->SetWidgetDirty(WID_D_CLONE);
 712                                 this->ToggleWidgetLoweredState(WID_D_CLONE);
 713
 714                                 if (this->IsWidgetLowered(WID_D_CLONE)) {
 715                                         static const CursorID clone_icons[] = {
 716                                                 SPR_CURSOR_CLONE_TRAIN, SPR_CURSOR_CLONE_ROADVEH,
 717                                                 SPR_CURSOR_CLONE_SHIP, SPR_CURSOR_CLONE_AIRPLANE
 718                                         };
 719
 720                                         SetObjectToPlaceWnd(clone_icons[this->type], PAL_NONE, HT_VEHICLE, this);
 721                                 } else {
 722                                         ResetObjectToPlace();
 723                                 }
 724                                 break;
 725
 726                         case WID_D_LOCATION:
 727                                 if (_ctrl_pressed) {
 728                                         ShowExtraViewPortWindow(this->window_number);
 729                                 } else {
 730                                         ScrollMainWindowToTile(this->window_number);
 731                                 }
 732                                 break;
 733
 734                         case WID_D_RENAME: // Rename button
 735                                 SetDParam(0, this->type);
 736                                 SetDParam(1, Depot::GetByTile((TileIndex)this->window_number)->index);
 737                                 ShowQueryString(STR_DEPOT_NAME, STR_DEPOT_RENAME_DEPOT_CAPTION, MAX_LENGTH_DEPOT_NAME_CHARS, this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT | QSF_LEN_IN_CHARS);
 738                                 break;
 739
 740                         case WID_D_STOP_ALL:
 741                         case WID_D_START_ALL: {
 742                                 VehicleListIdentifier vli(VL_DEPOT_LIST, this->type, this->owner);
 743                                 DoCommandP(this->window_number, (widget == WID_D_START_ALL ? (1 << 0) : 0), vli.Pack(), CMD_MASS_START_STOP);
 744                                 break;
 745                         }
 746
 747                         case WID_D_SELL_ALL:
 748                                 /* Only open the confirmation window if there are anything to sell */
 749                                 if (this->vehicle_list.Length() != 0 || this->wagon_list.Length() != 0) {
 750                                         TileIndex tile = this->window_number;
 751                                         byte vehtype = this->type;
 752
 753                                         SetDParam(0, vehtype);
 754                                         SetDParam(1, (vehtype == VEH_AIRCRAFT) ? GetStationIndex(tile) : GetDepotIndex(tile));
 755                                         ShowQuery(
 756                                                 STR_DEPOT_CAPTION,
 757                                                 STR_DEPOT_SELL_CONFIRMATION_TEXT,
 758                                                 this,
 759                                                 DepotSellAllConfirmationCallback
 760                                         );
 761                                 }
 762                                 break;
 763
 764                         case WID_D_VEHICLE_LIST:
 765                                 ShowVehicleListWindow(GetTileOwner(this->window_number), this->type, (TileIndex)this->window_number);
 766                                 break;
 767
 768                         case WID_D_AUTOREPLACE:
 769                                 DoCommandP(this->window_number, this->type, 0, CMD_DEPOT_MASS_AUTOREPLACE);
 770                                 break;
 771
 772                 }
 773         }
 774
 775         virtual void OnQueryTextFinished(char *str)
 776         {
 777                 if (str == NULL) return;
 778
 779                 /* Do depot renaming */
 780                 DoCommandP(0, GetDepotIndex(this->window_number), 0, CMD_RENAME_DEPOT | CMD_MSG(STR_ERROR_CAN_T_RENAME_DEPOT), NULL, str);
 781         }
 782
 783         virtual bool OnRightClick(Point pt, int widget)
 784         {
 785                 if (widget != WID_D_MATRIX) return false;
 786
 787                 GetDepotVehiclePtData gdvp = { NULL, NULL };
 788                 const Vehicle *v = NULL;
 789                 NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_D_MATRIX);
 790                 DepotGUIAction mode = this->GetVehicleFromDepotWndPt(pt.x - nwi->pos_x, pt.y - nwi->pos_y, &v, &gdvp);
 791
 792                 if (this->type == VEH_TRAIN) v = gdvp.wagon;
 793
 794                 if (v == NULL || mode != MODE_DRAG_VEHICLE) return false;
 795
 796                 CargoArray capacity, loaded;
 797
 798                 /* Display info for single (articulated) vehicle, or for whole chain starting with selected vehicle */
 799                 bool whole_chain = (this->type == VEH_TRAIN && _ctrl_pressed);
 800
 801                 /* loop through vehicle chain and collect cargoes */
 802                 uint num = 0;
 803                 for (const Vehicle *w = v; w != NULL; w = w->Next()) {
 804                         if (w->cargo_cap > 0 && w->cargo_type < NUM_CARGO) {
 805                                 capacity[w->cargo_type] += w->cargo_cap;
 806                                 loaded  [w->cargo_type] += w->cargo.StoredCount();
 807                         }
 808
 809                         if (w->type == VEH_TRAIN && !w->HasArticulatedPart()) {
 810                                 num++;
 811                                 if (!whole_chain) break;
 812                         }
 813                 }
 814
 815                 /* Build tooltipstring */
 816                 static char details[1024];
 817                 details[0] = '\0';
 818                 char *pos = details;
 819
 820                 for (CargoID cargo_type = 0; cargo_type < NUM_CARGO; cargo_type++) {
 821                         if (capacity[cargo_type] == 0) continue;
 822
 823                         SetDParam(0, cargo_type);           // {CARGO} #1
 824                         SetDParam(1, loaded[cargo_type]);   // {CARGO} #2
 825                         SetDParam(2, cargo_type);           // {SHORTCARGO} #1
 826                         SetDParam(3, capacity[cargo_type]); // {SHORTCARGO} #2
 827                         pos = GetString(pos, STR_DEPOT_VEHICLE_TOOLTIP_CARGO, lastof(details));
 828                 }
 829
 830                 /* Show tooltip window */
 831                 uint64 args[2];
 832                 args[0] = (whole_chain ? num : v->engine_type);
 833                 args[1] = (uint64)(size_t)details;
 834                 GuiShowTooltips(this, whole_chain ? STR_DEPOT_VEHICLE_TOOLTIP_CHAIN : STR_DEPOT_VEHICLE_TOOLTIP, 2, args, TCC_RIGHT_CLICK);
 835
 836                 return true;
 837         }
 838
 839         /**
 840          * Clones a vehicle
 841          * @param v the original vehicle to clone
 842          * @return Always true.
 843          */
 844         virtual bool OnVehicleSelect(const Vehicle *v)
 845         {
 846                 if (DoCommandP(this->window_number, v->index, _ctrl_pressed ? 1 : 0, CMD_CLONE_VEHICLE | CMD_MSG(STR_ERROR_CAN_T_BUY_TRAIN + v->type), CcCloneVehicle)) {
 847                         ResetObjectToPlace();
 848                 }
 849                 return true;
 850         }
 851
 852         virtual void OnPlaceObjectAbort()
 853         {
 854                 /* abort clone */
 855                 this->RaiseWidget(WID_D_CLONE);
 856                 this->SetWidgetDirty(WID_D_CLONE);
 857
 858                 /* abort drag & drop */
 859                 this->sel = INVALID_VEHICLE;
 860                 this->vehicle_over = INVALID_VEHICLE;
 861                 this->SetWidgetDirty(WID_D_MATRIX);
 862         }
 863
 864         virtual void OnMouseDrag(Point pt, int widget)
 865         {
 866                 if (this->type != VEH_TRAIN || this->sel == INVALID_VEHICLE) return;
 867
 868                 /* A rail vehicle is dragged.. */
 869                 if (widget != WID_D_MATRIX) { // ..outside of the depot matrix.
 870                         if (this->vehicle_over != INVALID_VEHICLE) {
 871                                 this->vehicle_over = INVALID_VEHICLE;
 872                                 this->SetWidgetDirty(WID_D_MATRIX);
 873                         }
 874                         return;
 875                 }
 876
 877                 NWidgetBase *matrix = this->GetWidget<NWidgetBase>(widget);
 878                 const Vehicle *v = NULL;
 879                 GetDepotVehiclePtData gdvp = {NULL, NULL};
 880
 881                 if (this->GetVehicleFromDepotWndPt(pt.x - matrix->pos_x, pt.y - matrix->pos_y, &v, &gdvp) != MODE_DRAG_VEHICLE) return;
 882
 883                 VehicleID new_vehicle_over = INVALID_VEHICLE;
 884                 if (gdvp.head != NULL) {
 885                         if (gdvp.wagon == NULL && gdvp.head->Last()->index != this->sel) { // ..at the end of the train.
 886                                 /* 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
 887                                  * destination inside a train. This head index is then used to indicate that a wagon is inserted at
 888                                  * the end of the train.
 889                                  */
 890                                 new_vehicle_over = gdvp.head->index;
 891                         } else if (gdvp.wagon != NULL && gdvp.head != gdvp.wagon &&
 892                                         gdvp.wagon->index != this->sel &&
 893                                         gdvp.wagon->Previous()->index != this->sel) { // ..over an existing wagon.
 894                                 new_vehicle_over = gdvp.wagon->index;
 895                         }
 896                 }
 897
 898                 if (this->vehicle_over == new_vehicle_over) return;
 899
 900                 this->vehicle_over = new_vehicle_over;
 901                 this->SetWidgetDirty(widget);
 902         }
 903
 904         virtual void OnDragDrop(Point pt, int widget)
 905         {
 906                 switch (widget) {
 907                         case WID_D_MATRIX: {
 908                                 const Vehicle *v = NULL;
 909                                 VehicleID sel = this->sel;
 910
 911                                 this->sel = INVALID_VEHICLE;
 912                                 this->SetDirty();
 913
 914                                 NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_D_MATRIX);
 915                                 if (this->type == VEH_TRAIN) {
 916                                         GetDepotVehiclePtData gdvp = { NULL, NULL };
 917
 918                                         if (this->GetVehicleFromDepotWndPt(pt.x - nwi->pos_x, pt.y - nwi->pos_y, &v, &gdvp) == MODE_DRAG_VEHICLE && sel != INVALID_VEHICLE) {
 919                                                 if (gdvp.wagon != NULL && gdvp.wagon->index == sel && _ctrl_pressed) {
 920                                                         DoCommandP(Vehicle::Get(sel)->tile, Vehicle::Get(sel)->index, true,
 921                                                                         CMD_REVERSE_TRAIN_DIRECTION | CMD_MSG(STR_ERROR_CAN_T_REVERSE_DIRECTION_RAIL_VEHICLE));
 922                                                 } else if (gdvp.wagon == NULL || gdvp.wagon->index != sel) {
 923                                                         this->vehicle_over = INVALID_VEHICLE;
 924                                                         TrainDepotMoveVehicle(gdvp.wagon, sel, gdvp.head);
 925                                                 } else if (gdvp.head != NULL && gdvp.head->IsFrontEngine()) {
 926                                                         ShowVehicleViewWindow(gdvp.head);
 927                                                 }
 928                                         }
 929                                 } else if (this->GetVehicleFromDepotWndPt(pt.x - nwi->pos_x, pt.y - nwi->pos_y, &v, NULL) == MODE_DRAG_VEHICLE && v != NULL && sel == v->index) {
 930                                         ShowVehicleViewWindow(v);
 931                                 }
 932                                 break;
 933                         }
 934
 935                         case WID_D_SELL: case WID_D_SELL_CHAIN: {
 936                                 if (this->IsWidgetDisabled(widget)) return;
 937                                 if (this->sel == INVALID_VEHICLE) return;
 938
 939                                 this->HandleButtonClick(widget);
 940
 941                                 const Vehicle *v = Vehicle::Get(this->sel);
 942                                 this->sel = INVALID_VEHICLE;
 943                                 this->SetDirty();
 944
 945                                 int sell_cmd = (v->type == VEH_TRAIN && (widget == WID_D_SELL_CHAIN || _ctrl_pressed)) ? 1 : 0;
 946                                 DoCommandP(v->tile, v->index | sell_cmd << 20 | MAKE_ORDER_BACKUP_FLAG, 0, GetCmdSellVeh(v->type));
 947                                 break;
 948                         }
 949
 950                         default:
 951                                 this->sel = INVALID_VEHICLE;
 952                                 this->SetDirty();
 953                 }
 954                 _cursor.vehchain = false;
 955         }
 956
 957         virtual void OnTimeout()
 958         {
 959                 if (!this->IsWidgetDisabled(WID_D_SELL)) {
 960                         this->RaiseWidget(WID_D_SELL);
 961                         this->SetWidgetDirty(WID_D_SELL);
 962                 }
 963                 if (this->nested_array[WID_D_SELL] != NULL && !this->IsWidgetDisabled(WID_D_SELL_CHAIN)) {
 964                         this->RaiseWidget(WID_D_SELL_CHAIN);
 965                         this->SetWidgetDirty(WID_D_SELL_CHAIN);
 966                 }
 967         }
 968
 969         virtual void OnResize()
 970         {
 971                 this->vscroll->SetCapacityFromWidget(this, WID_D_MATRIX);
 972                 NWidgetCore *nwi = this->GetWidget<NWidgetCore>(WID_D_MATRIX);
 973                 if (this->type == VEH_TRAIN) {
 974                         this->hscroll->SetCapacity(nwi->current_x - this->header_width - this->count_width);
 975                 } else {
 976                         this->num_columns = nwi->current_x / nwi->resize_x;
 977                 }
 978         }
 979
 980         virtual EventState OnCTRLStateChange()
 981         {
 982                 if (this->sel != INVALID_VEHICLE) {
 983                         _cursor.vehchain = _ctrl_pressed;
 984                         this->SetWidgetDirty(WID_D_MATRIX);
 985                         return ES_HANDLED;
 986                 }
 987
 988                 return ES_NOT_HANDLED;
 989         }
 990 };
 991
 992 static void DepotSellAllConfirmationCallback(Window *win, bool confirmed)
 993 {
 994         if (confirmed) {
 995                 DepotWindow *w = (DepotWindow*)win;
 996                 TileIndex tile = w->window_number;
 997                 byte vehtype = w->type;
 998                 DoCommandP(tile, vehtype, 0, CMD_DEPOT_SELL_ALL_VEHICLES);
 999         }
1000 }
1001
1002 /**
1003  * Opens a depot window
1004  * @param tile The tile where the depot/hangar is located
1005  * @param type The type of vehicles in the depot
1006  */
1007 void ShowDepotWindow(TileIndex tile, VehicleType type)
1008 {
1009         if (BringWindowToFrontById(WC_VEHICLE_DEPOT, tile) != NULL) return;
1010
1011         WindowDesc *desc;
1012         switch (type) {
1013                 default: NOT_REACHED();
1014                 case VEH_TRAIN:    desc = &_train_depot_desc;    break;
1015                 case VEH_ROAD:     desc = &_road_depot_desc;     break;
1016                 case VEH_SHIP:     desc = &_ship_depot_desc;     break;
1017                 case VEH_AIRCRAFT: desc = &_aircraft_depot_desc; break;
1018         }
1019
1020         new DepotWindow(desc, tile, type);
1021 }
1022
1023 /**
1024  * Removes the highlight of a vehicle in a depot window
1025  * @param *v Vehicle to remove all highlights from
1026  */
1027 void DeleteDepotHighlightOfVehicle(const Vehicle *v)
1028 {
1029         DepotWindow *w;
1030
1031         /* If we haven't got any vehicles on the mouse pointer, we haven't got any highlighted in any depots either
1032          * If that is the case, we can skip looping though the windows and save time
1033          */
1034         if (_special_mouse_mode != WSM_DRAGDROP) return;
1035
1036         w = dynamic_cast<DepotWindow*>(FindWindowById(WC_VEHICLE_DEPOT, v->tile));
1037         if (w != NULL) {
1038                 if (w->sel == v->index) ResetObjectToPlace();
1039         }
1040 }