# depot_gui.cpp

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    00001 /* $Id: depot_gui.cpp 18588 2009-12-21 16:24:29Z alberth $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * 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.
    00006  * 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.
    00007  * 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/>.
    00008  */
    00009
    00012 #include "train.h"
    00013 #include "ship.h"
    00014 #include "aircraft.h"
    00015 #include "roadveh.h"
    00016 #include "gui.h"
    00017 #include "textbuf_gui.h"
    00018 #include "viewport_func.h"
    00019 #include "gfx_func.h"
    00020 #include "command_func.h"
    00021 #include "depot_base.h"
    00022 #include "vehicle_gui.h"
    00023 #include "newgrf_engine.h"
    00024 #include "spritecache.h"
    00025 #include "strings_func.h"
    00026 #include "window_func.h"
    00027 #include "vehicle_func.h"
    00028 #include "company_func.h"
    00029 #include "tilehighlight_func.h"
    00030 #include "window_gui.h"
    00031 #include "vehiclelist.h"
    00032
    00033 #include "table/strings.h"
    00034 #include "table/sprites.h"
    00035
    00036 /*
    00037  * Since all depot window sizes aren't the same, we need to modify sizes a little.
    00038  * 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.
    00039  * How long they should be moved and for what window types are controlled in ShowDepotWindow()
    00040  */
    00041
    00042 /* Names of the widgets. Keep them in the same order as in the widget array */
    00043 enum DepotWindowWidgets {
    00044   DEPOT_WIDGET_CAPTION,
    00045   DEPOT_WIDGET_SELL,
    00046   DEPOT_WIDGET_SELL_CHAIN,
    00047   DEPOT_WIDGET_SELL_ALL,
    00048   DEPOT_WIDGET_AUTOREPLACE,
    00049   DEPOT_WIDGET_MATRIX,
    00050   DEPOT_WIDGET_V_SCROLL,
    00051   DEPOT_WIDGET_H_SCROLL,
    00052   DEPOT_WIDGET_BUILD,
    00053   DEPOT_WIDGET_CLONE,
    00054   DEPOT_WIDGET_LOCATION,
    00055   DEPOT_WIDGET_VEHICLE_LIST,
    00056   DEPOT_WIDGET_STOP_ALL,
    00057   DEPOT_WIDGET_START_ALL,
    00058 };
    00059
    00061 static const NWidgetPart _nested_train_depot_widgets[] = {
    00062   NWidget(NWID_HORIZONTAL),
    00063     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00064     NWidget(WWT_CAPTION, COLOUR_GREY, DEPOT_WIDGET_CAPTION),
    00065     NWidget(WWT_SHADEBOX, COLOUR_GREY),
    00066     NWidget(WWT_STICKYBOX, COLOUR_GREY),
    00067   EndContainer(),
    00068   NWidget(NWID_HORIZONTAL),
    00069     NWidget(NWID_VERTICAL),
    00070       NWidget(WWT_MATRIX, COLOUR_GREY, DEPOT_WIDGET_MATRIX), SetDataTip(0x0, STR_NULL), SetResize(1, 1),
    00071       NWidget(WWT_HSCROLLBAR, COLOUR_GREY, DEPOT_WIDGET_H_SCROLL),
    00072     EndContainer(),
    00073     NWidget(NWID_VERTICAL),
    00074       NWidget(WWT_IMGBTN, COLOUR_GREY, DEPOT_WIDGET_SELL), SetDataTip(0x0, STR_NULL), SetResize(0, 1), SetFill(0, 1),
    00075       NWidget(WWT_IMGBTN, COLOUR_GREY, DEPOT_WIDGET_SELL_CHAIN), SetDataTip(SPR_SELL_CHAIN_TRAIN, STR_DEPOT_DRAG_WHOLE_TRAIN_TO_SELL_TOOLTIP), SetResize(0, 1), SetFill(0, 1),
    00076       NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, DEPOT_WIDGET_SELL_ALL), SetDataTip(0x0, STR_NULL),
    00077       NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, DEPOT_WIDGET_AUTOREPLACE), SetDataTip(0x0, STR_NULL),
    00078     EndContainer(),
    00079     NWidget(WWT_SCROLLBAR, COLOUR_GREY, DEPOT_WIDGET_V_SCROLL),
    00080   EndContainer(),
    00081   NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    00082     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, DEPOT_WIDGET_BUILD), SetDataTip(0x0, STR_NULL), SetFill(1, 1), SetResize(1, 0),
    00083     NWidget(WWT_TEXTBTN, COLOUR_GREY, DEPOT_WIDGET_CLONE), SetDataTip(0x0, STR_NULL), SetFill(1, 1), SetResize(1, 0),
    00084     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, DEPOT_WIDGET_LOCATION), SetDataTip(STR_BUTTON_LOCATION, STR_NULL), SetFill(1, 1), SetResize(1, 0),
    00085     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, DEPOT_WIDGET_VEHICLE_LIST), SetDataTip(0x0, STR_NULL), SetFill(0, 1),
    00086     NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, DEPOT_WIDGET_STOP_ALL), SetDataTip(SPR_FLAG_VEH_STOPPED, STR_NULL), SetFill(0, 1),
    00087     NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, DEPOT_WIDGET_START_ALL), SetDataTip(SPR_FLAG_VEH_RUNNING, STR_NULL), SetFill(0, 1),
    00088     NWidget(WWT_RESIZEBOX, COLOUR_GREY),
    00089   EndContainer(),
    00090 };
    00091
    00092 static const WindowDesc _train_depot_desc(
    00093   WDP_AUTO, 362, 123,
    00094   WC_VEHICLE_DEPOT, WC_NONE,
    00095   WDF_UNCLICK_BUTTONS,
    00096   _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets)
    00097 );
    00098
    00099 static const WindowDesc _road_depot_desc(
    00100   WDP_AUTO, 316, 97,
    00101   WC_VEHICLE_DEPOT, WC_NONE,
    00102   WDF_UNCLICK_BUTTONS,
    00103   _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets)
    00104 );
    00105
    00106 static const WindowDesc _ship_depot_desc(
    00107   WDP_AUTO, 306, 99,
    00108   WC_VEHICLE_DEPOT, WC_NONE,
    00109   WDF_UNCLICK_BUTTONS,
    00110   _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets)
    00111 );
    00112
    00113 static const WindowDesc _aircraft_depot_desc(
    00114   WDP_AUTO, 332, 99,
    00115   WC_VEHICLE_DEPOT, WC_NONE,
    00116   WDF_UNCLICK_BUTTONS,
    00117   _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets)
    00118 );
    00119
    00120 extern void DepotSortList(VehicleList *list);
    00121
    00129 void CcCloneVehicle(bool success, TileIndex tile, uint32 p1, uint32 p2)
    00130 {
    00131   if (!success) return;
    00132
    00133   const Vehicle *v = Vehicle::Get(_new_vehicle_id);
    00134
    00135   ShowVehicleViewWindow(v);
    00136 }
    00137
    00138 static void TrainDepotMoveVehicle(const Vehicle *wagon, VehicleID sel, const Vehicle *head)
    00139 {
    00140   const Vehicle *v = Vehicle::Get(sel);
    00141
    00142   if (v == wagon) return;
    00143
    00144   if (wagon == NULL) {
    00145     if (head != NULL) wagon = head->Last();
    00146   } else {
    00147     wagon = wagon->Previous();
    00148     if (wagon == NULL) return;
    00149   }
    00150
    00151   if (wagon == v) return;
    00152
    00153   DoCommandP(v->tile, v->index + ((wagon == NULL ? INVALID_VEHICLE : wagon->index) << 16), _ctrl_pressed ? 1 : 0, CMD_MOVE_RAIL_VEHICLE | CMD_MSG(STR_ERROR_CAN_T_MOVE_VEHICLE));
    00154 }
    00155
    00158 static Dimension _base_block_sizes[4];
    00159
    00160 static void InitBlocksizeForShipAircraft(VehicleType type)
    00161 {
    00162   uint max_width  = 0;
    00163   uint max_height = 0;
    00164
    00165   const Engine *e;
    00166   FOR_ALL_ENGINES_OF_TYPE(e, type) {
    00167     EngineID eid = e->index;
    00168     uint x, y;
    00169
    00170     switch (type) {
    00171       default: NOT_REACHED();
    00172       case VEH_SHIP:     GetShipSpriteSize(    eid, x, y); break;
    00173       case VEH_AIRCRAFT: GetAircraftSpriteSize(eid, x, y); break;
    00174     }
    00175     if (x > max_width)  max_width  = x;
    00176     if (y > max_height) max_height = y;
    00177   }
    00178
    00179   switch (type) {
    00180     default: NOT_REACHED();
    00181     case VEH_SHIP:
    00182       _base_block_sizes[VEH_SHIP].width = max(76U, max_width);
    00183       break;
    00184     case VEH_AIRCRAFT:
    00185       _base_block_sizes[VEH_AIRCRAFT].width = max(67U, max_width);
    00186       break;
    00187   }
    00188   _base_block_sizes[type].height = max(GetVehicleHeight(type), max_height);
    00189 }
    00190
    00193 void InitDepotWindowBlockSizes()
    00194 {
    00195   _base_block_sizes[VEH_TRAIN].width = 0;
    00196   _base_block_sizes[VEH_TRAIN].height = GetVehicleHeight(VEH_TRAIN);
    00197
    00198   _base_block_sizes[VEH_ROAD].width = 32;
    00199   _base_block_sizes[VEH_ROAD].height = GetVehicleHeight(VEH_ROAD);
    00200
    00201   InitBlocksizeForShipAircraft(VEH_SHIP);
    00202   InitBlocksizeForShipAircraft(VEH_AIRCRAFT);
    00203 }
    00204
    00205 static void DepotSellAllConfirmationCallback(Window *w, bool confirmed);
    00206 const Sprite *GetAircraftSprite(EngineID engine);
    00207
    00208 struct DepotWindow : Window {
    00209   VehicleID sel;
    00210   VehicleType type;
    00211   bool generate_list;
    00212   VehicleList vehicle_list;
    00213   VehicleList wagon_list;
    00214
    00215   DepotWindow(const WindowDesc *desc, TileIndex tile, VehicleType type) : Window()
    00216   {
    00217     assert(IsCompanyBuildableVehicleType(type)); // ensure that we make the call with a valid type
    00218
    00219     this->sel = INVALID_VEHICLE;
    00220     this->generate_list = true;
    00221     this->type = type;
    00222
    00223     this->CreateNestedTree(desc);
    00224     this->SetupWidgetData(type);
    00225     this->FinishInitNested(desc, tile);
    00226
    00227     this->owner = GetTileOwner(tile);
    00228     _backup_orders_tile = 0;
    00229
    00230   }
    00231
    00232   ~DepotWindow()
    00233   {
    00234     DeleteWindowById(WC_BUILD_VEHICLE, this->window_number);
    00235   }
    00236
    00243   void DrawVehicleInDepot(const Vehicle *v, int left, int right, int y) const
    00244   {
    00245     bool free_wagon = false;
    00246     int sprite_y = y + (this->resize.step_height - GetVehicleHeight(v->type)) / 2;
    00247
    00248     bool rtl = _dynlang.text_dir == TD_RTL;
    00249     int image_left  = rtl ? left  + this->count_width  : left  + this->header_width;
    00250     int image_right = rtl ? right - this->header_width : right - this->count_width;
    00251
    00252     switch (v->type) {
    00253       case VEH_TRAIN: {
    00254         const Train *u = Train::From(v);
    00255         free_wagon = u->IsFreeWagon();
    00256
    00257         uint x_space = free_wagon ? TRAININFO_DEFAULT_VEHICLE_WIDTH : 0;
    00258         DrawTrainImage(u, image_left + (rtl ? 0 : x_space), image_right - (rtl ? x_space : 0), sprite_y - 1, this->sel, free_wagon ? 0 : this->hscroll.GetPosition());
    00259
    00260         /* Number of wagons relative to a standard length wagon (rounded up) */
    00261         SetDParam(0, (u->tcache.cached_total_length + 7) / 8);
    00262         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_COMA, TC_FROMSTRING, SA_RIGHT); // Draw the counter
    00263         break;
    00264       }
    00265
    00266       case VEH_ROAD:     DrawRoadVehImage( v, image_left, image_right, sprite_y, this->sel); break;
    00267       case VEH_SHIP:     DrawShipImage(    v, image_left, image_right, sprite_y, this->sel); break;
    00268       case VEH_AIRCRAFT: {
    00269         const Sprite *spr = GetSprite(v->GetImage(DIR_W), ST_NORMAL);
    00270         DrawAircraftImage(v, image_left, image_right,
    00271                   y + max(spr->height + spr->y_offs - 14, 0), // tall sprites needs an y offset
    00272                   this->sel);
    00273       } break;
    00274       default: NOT_REACHED();
    00275     }
    00276
    00277     uint diff_x, diff_y;
    00278     if (v->type == VEH_TRAIN || v->type == VEH_ROAD) {
    00279       /* Arrange unitnumber and flag horizontally */
    00280       diff_x = this->flag_width + WD_FRAMERECT_LEFT;
    00281       diff_y = (this->resize.step_height - this->flag_height) / 2 - 2;
    00282     } else {
    00283       /* Arrange unitnumber and flag vertically */
    00284       diff_x = WD_FRAMERECT_LEFT;
    00285       diff_y = FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
    00286     }
    00287     int text_left  = rtl ? right - this->header_width - 1 : left + diff_x;
    00288     int text_right = rtl ? right - diff_x : left + this->header_width - 1;
    00289
    00290     if (free_wagon) {
    00291       DrawString(text_left, text_right, y + 2, STR_DEPOT_NO_ENGINE);
    00292     } else {
    00293       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);
    00294
    00295       SetDParam(0, v->unitnumber);
    00296       DrawString(text_left, text_right, y + 2, (uint16)(v->max_age - DAYS_IN_LEAP_YEAR) >= v->age ? STR_BLACK_COMMA : STR_RED_COMMA);
    00297     }
    00298   }
    00299
    00300   void DrawWidget(const Rect &r, int widget) const
    00301   {
    00302     if (widget != DEPOT_WIDGET_MATRIX) return;
    00303
    00304     bool rtl = _dynlang.text_dir == TD_RTL;
    00305
    00306     /* Set the row and number of boxes in each row based on the number of boxes drawn in the matrix */
    00307     uint16 mat_data = this->GetWidget<NWidgetCore>(DEPOT_WIDGET_MATRIX)->widget_data;
    00308     uint16 rows_in_display   = GB(mat_data, MAT_ROW_START, MAT_ROW_BITS);
    00309     uint16 boxes_in_each_row = GB(mat_data, MAT_COL_START, MAT_COL_BITS);
    00310
    00311     uint16 num = this->vscroll.GetPosition() * boxes_in_each_row;
    00312     int maxval = min(this->vehicle_list.Length(), num + (rows_in_display * boxes_in_each_row));
    00313     int y;
    00314     for (y = r.top + 1; num < maxval; y += this->resize.step_height) { // Draw the rows
    00315       for (byte i = 0; i < boxes_in_each_row && num < maxval; i++, num++) {
    00316         /* Draw all vehicles in the current row */
    00317         const Vehicle *v = this->vehicle_list[num];
    00318         if (boxes_in_each_row == 1) {
    00319           this->DrawVehicleInDepot(v, r.left, r.right, y);
    00320         } else {
    00321           int x = r.left + (rtl ? (boxes_in_each_row - i - 1) : i) * this->resize.step_width;
    00322           this->DrawVehicleInDepot(v, x, x + this->resize.step_width - 1, y);
    00323         }
    00324       }
    00325     }
    00326
    00327     maxval = min(this->vehicle_list.Length() + this->wagon_list.Length(), (this->vscroll.GetPosition() * boxes_in_each_row) + (rows_in_display * boxes_in_each_row));
    00328
    00329     /* draw the train wagons, that do not have an engine in front */
    00330     for (; num < maxval; num++, y += this->resize.step_height) {
    00331       const Vehicle *v = this->wagon_list[num - this->vehicle_list.Length()];
    00332       this->DrawVehicleInDepot(v, r.left, r.right, y);
    00333     }
    00334   }
    00335
    00336   void SetStringParameters(int widget) const
    00337   {
    00338     if (widget != DEPOT_WIDGET_CAPTION) return;
    00339
    00340     /* locate the depot struct */
    00341     TileIndex tile = this->window_number;
    00342     if (this->type == VEH_AIRCRAFT) {
    00343       SetDParam(0, GetStationIndex(tile)); // Airport name
    00344     } else {
    00345       Depot *depot = Depot::GetByTile(tile);
    00346       assert(depot != NULL);
    00347
    00348       SetDParam(0, depot->town_index);
    00349     }
    00350   }
    00351
    00352   struct GetDepotVehiclePtData {
    00353     const Vehicle *head;
    00354     const Vehicle *wagon;
    00355   };
    00356
    00357   enum DepotGUIAction {
    00358     MODE_ERROR,
    00359     MODE_DRAG_VEHICLE,
    00360     MODE_SHOW_VEHICLE,
    00361     MODE_START_STOP,
    00362   };
    00363
    00364   DepotGUIAction GetVehicleFromDepotWndPt(int x, int y, const Vehicle **veh, GetDepotVehiclePtData *d) const
    00365   {
    00366     const NWidgetCore *matrix_widget = this->GetWidget<NWidgetCore>(DEPOT_WIDGET_MATRIX);
    00367     /* In case of RTL the widgets are swapped as a whole */
    00368     if (_dynlang.text_dir == TD_RTL) x = matrix_widget->current_x - x;
    00369
    00370     uint xt = 0, xm = 0, ym = 0;
    00371     if (this->type == VEH_TRAIN) {
    00372       xm = x;
    00373     } else {
    00374       xt = x / this->resize.step_width;
    00375       xm = x % this->resize.step_width;
    00376       if (xt >= this->hscroll.GetCapacity()) return MODE_ERROR;
    00377     }
    00378     ym = y % this->resize.step_height;
    00379
    00380     uint row = y / this->resize.step_height;
    00381     if (row >= this->vscroll.GetCapacity()) return MODE_ERROR;
    00382
    00383     uint boxes_in_each_row = GB(matrix_widget->widget_data, MAT_COL_START, MAT_COL_BITS);
    00384     uint pos = ((row + this->vscroll.GetPosition()) * boxes_in_each_row) + xt;
    00385
    00386     if (this->vehicle_list.Length() + this->wagon_list.Length() <= pos) {
    00387       /* Clicking on 'line' / 'block' without a vehicle */
    00388       if (this->type == VEH_TRAIN) {
    00389         /* End the dragging */
    00390         d->head  = NULL;
    00391         d->wagon = NULL;
    00392         return MODE_DRAG_VEHICLE;
    00393       } else {
    00394         return MODE_ERROR; // empty block, so no vehicle is selected
    00395       }
    00396     }
    00397
    00398     bool wagon = false;
    00399     if (this->vehicle_list.Length() > pos) {
    00400       *veh = this->vehicle_list[pos];
    00401       /* Skip vehicles that are scrolled off the list */
    00402       x += this->hscroll.GetPosition();
    00403     } else {
    00404       pos -= this->vehicle_list.Length();
    00405       *veh = this->wagon_list[pos];
    00406       /* free wagons don't have an initial loco. */
    00407       x -= VEHICLEINFO_FULL_VEHICLE_WIDTH;
    00408       wagon = true;
    00409     }
    00410
    00411     const Train *v = NULL;
    00412     if (this->type == VEH_TRAIN) {
    00413       v = Train::From(*veh);
    00414       d->head = d->wagon = v;
    00415     }
    00416
    00417     if (xm <= this->header_width) {
    00418       switch (this->type) {
    00419         case VEH_TRAIN:
    00420           if (wagon) return MODE_ERROR;
    00421         case VEH_ROAD:
    00422           if (xm <= this->flag_width) return MODE_START_STOP;
    00423           break;
    00424
    00425         case VEH_SHIP:
    00426         case VEH_AIRCRAFT:
    00427           if (xm <= this->flag_width && ym >= (uint)(FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL)) return MODE_START_STOP;
    00428           break;
    00429
    00430         default: NOT_REACHED();
    00431       }
    00432       return MODE_SHOW_VEHICLE;
    00433     }
    00434
    00435     if (this->type != VEH_TRAIN) return MODE_DRAG_VEHICLE;
    00436
    00437     /* Clicking on the counter */
    00438     if (xm >= matrix_widget->current_x - this->count_width) return wagon ? MODE_ERROR : MODE_SHOW_VEHICLE;
    00439
    00440     /* Account for the header */
    00441     x -= this->header_width;
    00442
    00443     /* find the vehicle in this row that was clicked */
    00444     for (; v != NULL; v = v->Next()) {
    00445       x -= v->GetDisplayImageWidth();
    00446       if (x < 0) break;
    00447     }
    00448
    00449     d->wagon = (v != NULL ? v->GetFirstEnginePart() : NULL);
    00450
    00451     return MODE_DRAG_VEHICLE;
    00452   }
    00453
    00458   void DepotClick(int x, int y)
    00459   {
    00460     GetDepotVehiclePtData gdvp = { NULL, NULL };
    00461     const Vehicle *v = NULL;
    00462     DepotGUIAction mode = this->GetVehicleFromDepotWndPt(x, y, &v, &gdvp);
    00463
    00464     /* share / copy orders */
    00465     if (_thd.place_mode != HT_NONE && mode != MODE_ERROR) {
    00466       _place_clicked_vehicle = (this->type == VEH_TRAIN ? gdvp.head : v);
    00467       return;
    00468     }
    00469
    00470     if (this->type == VEH_TRAIN) v = gdvp.wagon;
    00471
    00472     switch (mode) {
    00473       case MODE_ERROR: // invalid
    00474         return;
    00475
    00476       case MODE_DRAG_VEHICLE: { // start dragging of vehicle
    00477         VehicleID sel = this->sel;
    00478
    00479         if (this->type == VEH_TRAIN && sel != INVALID_VEHICLE) {
    00480           this->sel = INVALID_VEHICLE;
    00481           TrainDepotMoveVehicle(v, sel, gdvp.head);
    00482         } else if (v != NULL) {
    00483           int image = v->GetImage(DIR_W);
    00484
    00485           this->sel = v->index;
    00486           this->SetDirty();
    00487           SetObjectToPlaceWnd(image, GetVehiclePalette(v), HT_DRAG, this);
    00488
    00489           switch (v->type) {
    00490             case VEH_TRAIN:
    00491               _cursor.short_vehicle_offset = 16 - Train::From(v)->tcache.cached_veh_length * 2;
    00492               break;
    00493
    00494             case VEH_ROAD:
    00495               _cursor.short_vehicle_offset = 16 - RoadVehicle::From(v)->rcache.cached_veh_length * 2;
    00496               break;
    00497
    00498             default:
    00499               _cursor.short_vehicle_offset = 0;
    00500               break;
    00501           }
    00502           _cursor.vehchain = _ctrl_pressed;
    00503         }
    00504       } break;
    00505
    00506       case MODE_SHOW_VEHICLE: // show info window
    00507         ShowVehicleViewWindow(v);
    00508         break;
    00509
    00510       case MODE_START_STOP: { // click start/stop flag
    00511         uint command;
    00512
    00513         switch (this->type) {
    00514           case VEH_TRAIN:    command = CMD_START_STOP_VEHICLE | CMD_MSG(STR_ERROR_CAN_T_STOP_START_TRAIN);        break;
    00515           case VEH_ROAD:     command = CMD_START_STOP_VEHICLE | CMD_MSG(STR_ERROR_CAN_T_STOP_START_ROAD_VEHICLE); break;
    00516           case VEH_SHIP:     command = CMD_START_STOP_VEHICLE | CMD_MSG(STR_ERROR_CAN_T_STOP_START_SHIP);         break;
    00517           case VEH_AIRCRAFT: command = CMD_START_STOP_VEHICLE | CMD_MSG(STR_ERROR_CAN_T_STOP_START_AIRCRAFT);     break;
    00518           default: NOT_REACHED();
    00519         }
    00520         DoCommandP(v->tile, v->index, 0, command);
    00521       } break;
    00522
    00523       default: NOT_REACHED();
    00524     }
    00525   }
    00526
    00531   void HandleCloneVehClick(const Vehicle *v)
    00532   {
    00533     if (v == NULL || !IsCompanyBuildableVehicleType(v)) return;
    00534
    00535     if (!v->IsPrimaryVehicle()) {
    00536       v = v->First();
    00537       /* Do nothing when clicking on a train in depot with no loc attached */
    00538       if (v->type == VEH_TRAIN && !Train::From(v)->IsFrontEngine()) return;
    00539     }
    00540
    00541     DoCommandP(this->window_number, v->index, _ctrl_pressed ? 1 : 0, CMD_CLONE_VEHICLE | CMD_MSG(STR_ERROR_CAN_T_BUY_TRAIN + v->type), CcCloneVehicle);
    00542
    00543     ResetObjectToPlace();
    00544   }
    00545
    00546   /* Function to set up vehicle specific widgets (mainly sprites and strings).
    00547    * Only use this if it's the same widget, that's used for more than one vehicle type and it needs different text/sprites
    00548    * Vehicle specific text/sprites, that's in a widget, that's only shown for one vehicle type (like sell whole train) is set in the nested widget array
    00549    */
    00550   void SetupWidgetData(VehicleType type)
    00551   {
    00552     if (type != VEH_TRAIN) this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL_CHAIN)->fill_y = 0; // Disable vertical filling of chain-sell widget for non-train windows.
    00553
    00554     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_CAPTION)->widget_data   = STR_DEPOT_TRAIN_CAPTION + type;
    00555     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_STOP_ALL)->tool_tip     = STR_DEPOT_MASS_STOP_DEPOT_TRAIN_TOOLTIP + type;
    00556     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_START_ALL)->tool_tip    = STR_DEPOT_MASS_START_DEPOT_TRAIN_TOOLTIP + type;
    00557     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL)->tool_tip         = STR_DEPOT_TRAIN_SELL_TOOLTIP + type;
    00558     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL_ALL)->tool_tip     = STR_DEPOT_SELL_ALL_BUTTON_TRAIN_TOOLTIP + type;
    00559
    00560     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_BUILD)->SetDataTip(STR_DEPOT_TRAIN_NEW_VEHICLES_BUTTON + type, STR_DEPOT_TRAIN_NEW_VEHICLES_TOOLTIP + type);
    00561     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_CLONE)->SetDataTip(STR_DEPOT_CLONE_TRAIN + type, STR_DEPOT_CLONE_TRAIN_DEPOT_INFO + type);
    00562
    00563     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_LOCATION)->tool_tip     = STR_DEPOT_TRAIN_LOCATION_TOOLTIP + type;
    00564     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_VEHICLE_LIST)->tool_tip = STR_DEPOT_VEHICLE_ORDER_LIST_TRAIN_TOOLTIP + type;
    00565     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_AUTOREPLACE)->tool_tip  = STR_DEPOT_AUTOREPLACE_TRAIN_TOOLTIP + type;
    00566
    00567     switch (type) {
    00568       default: NOT_REACHED();
    00569
    00570       case VEH_TRAIN:
    00571         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_VEHICLE_LIST)->widget_data = STR_TRAIN;
    00572
    00573         /* Sprites */
    00574         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL)->widget_data        = SPR_SELL_TRAIN;
    00575         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL_ALL)->widget_data    = SPR_SELL_ALL_TRAIN;
    00576         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_AUTOREPLACE)->widget_data = SPR_REPLACE_TRAIN;
    00577         break;
    00578
    00579       case VEH_ROAD:
    00580         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_VEHICLE_LIST)->widget_data = STR_LORRY;
    00581
    00582         /* Sprites */
    00583         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL)->widget_data        = SPR_SELL_ROADVEH;
    00584         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL_ALL)->widget_data    = SPR_SELL_ALL_ROADVEH;
    00585         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_AUTOREPLACE)->widget_data = SPR_REPLACE_ROADVEH;
    00586         break;
    00587
    00588       case VEH_SHIP:
    00589         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_VEHICLE_LIST)->widget_data = STR_SHIP;
    00590
    00591         /* Sprites */
    00592         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL)->widget_data        = SPR_SELL_SHIP;
    00593         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL_ALL)->widget_data    = SPR_SELL_ALL_SHIP;
    00594         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_AUTOREPLACE)->widget_data = SPR_REPLACE_SHIP;
    00595         break;
    00596
    00597       case VEH_AIRCRAFT:
    00598         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_VEHICLE_LIST)->widget_data = STR_PLANE;
    00599
    00600         /* Sprites */
    00601         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL)->widget_data        = SPR_SELL_AIRCRAFT;
    00602         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL_ALL)->widget_data    = SPR_SELL_ALL_AIRCRAFT;
    00603         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_AUTOREPLACE)->widget_data = SPR_REPLACE_AIRCRAFT;
    00604         break;
    00605     }
    00606   }
    00607
    00608   uint count_width;
    00609   uint header_width;
    00610   uint flag_width;
    00611   uint flag_height;
    00612
    00613   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00614   {
    00615     switch (widget) {
    00616       case DEPOT_WIDGET_SELL_CHAIN:
    00617       case DEPOT_WIDGET_H_SCROLL:
    00618         /* Hide the 'sell chain' and the horizontal scrollbar when not a train depot. */
    00619         if (this->type != VEH_TRAIN) {
    00620           size->height = 0;
    00621           resize->height = 0;
    00622         }
    00623         break;
    00624
    00625       case DEPOT_WIDGET_MATRIX: {
    00626         uint min_height = 0;
    00627
    00628         if (this->type == VEH_TRAIN) {
    00629           SetDParam(0, 100);
    00630           this->count_width = GetStringBoundingBox(STR_TINY_BLACK_COMA).width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
    00631         } else {
    00632           this->count_width = 0;
    00633         }
    00634
    00635         Dimension unumber = { GetDigitWidth() * 4, FONT_HEIGHT_NORMAL };
    00636         const Sprite *spr = GetSprite(SPR_FLAG_VEH_STOPPED, ST_NORMAL);
    00637         this->flag_width  = spr->width + WD_FRAMERECT_RIGHT;
    00638         this->flag_height = spr->height;
    00639
    00640         if (this->type == VEH_TRAIN || this->type == VEH_ROAD) {
    00641           min_height = max<uint>(unumber.height + WD_MATRIX_TOP, spr->height);
    00642           this->header_width = unumber.width + this->flag_width + WD_FRAMERECT_LEFT;
    00643         } else {
    00644           min_height = unumber.height + spr->height + WD_MATRIX_TOP + WD_PAR_VSEP_NORMAL + WD_MATRIX_BOTTOM;
    00645           this->header_width = max<uint>(unumber.width, this->flag_width) + WD_FRAMERECT_RIGHT;
    00646         }
    00647         int base_width = this->count_width + this->header_width;
    00648
    00649         resize->height = max(_base_block_sizes[this->type].height, min_height);
    00650         if (this->type == VEH_TRAIN) {
    00651           resize->width = 1;
    00652           size->width = base_width + 2 * 29; // about 2 parts
    00653           size->height = resize->height * 6;
    00654         } else {
    00655           resize->width = base_width + _base_block_sizes[this->type].width;
    00656           size->width = resize->width * (this->type == VEH_ROAD ? 5 : 3);
    00657           size->height = resize->height * (this->type == VEH_ROAD ? 5 : 3);
    00658         }
    00659         fill->width = resize->width;
    00660         fill->height = resize->height;
    00661       } break;
    00662     }
    00663   }
    00664
    00665   virtual void OnInvalidateData(int data)
    00666   {
    00667     this->generate_list = true;
    00668   }
    00669
    00670   virtual void OnPaint()
    00671   {
    00672     if (this->generate_list) {
    00673       /* Generate the vehicle list
    00674        * It's ok to use the wagon pointers for non-trains as they will be ignored */
    00675       BuildDepotVehicleList(this->type, this->window_number, &this->vehicle_list, &this->wagon_list);
    00676       this->generate_list = false;
    00677       DepotSortList(&this->vehicle_list);
    00678     }
    00679
    00680     /* determine amount of items for scroller */
    00681     if (this->type == VEH_TRAIN) {
    00682       uint max_width = VEHICLEINFO_FULL_VEHICLE_WIDTH;
    00683       for (uint num = 0; num < this->vehicle_list.Length(); num++) {
    00684         uint width = 0;
    00685         for (const Train *v = Train::From(this->vehicle_list[num]); v != NULL; v = v->Next()) {
    00686           width += v->GetDisplayImageWidth();
    00687         }
    00688         max_width = max(max_width, width);
    00689       }
    00690       /* Always have 1 empty row, so people can change the setting of the train */
    00691       this->vscroll.SetCount(this->vehicle_list.Length() + this->wagon_list.Length() + 1);
    00692       this->hscroll.SetCount(max_width);
    00693     } else {
    00694       this->vscroll.SetCount((this->vehicle_list.Length() + this->hscroll.GetCapacity() - 1) / this->hscroll.GetCapacity());
    00695     }
    00696
    00697     /* Setup disabled buttons. */
    00698     TileIndex tile = this->window_number;
    00699     this->SetWidgetsDisabledState(!IsTileOwner(tile, _local_company),
    00700       DEPOT_WIDGET_STOP_ALL,
    00701       DEPOT_WIDGET_START_ALL,
    00702       DEPOT_WIDGET_SELL,
    00703       DEPOT_WIDGET_SELL_CHAIN,
    00704       DEPOT_WIDGET_SELL_ALL,
    00705       DEPOT_WIDGET_BUILD,
    00706       DEPOT_WIDGET_CLONE,
    00707       DEPOT_WIDGET_AUTOREPLACE,
    00708       WIDGET_LIST_END);
    00709
    00710     this->DrawWidgets();
    00711   }
    00712
    00713   virtual void OnClick(Point pt, int widget)
    00714   {
    00715     switch (widget) {
    00716       case DEPOT_WIDGET_MATRIX: { // List
    00717         NWidgetBase *nwi = this->GetWidget<NWidgetBase>(DEPOT_WIDGET_MATRIX);
    00718         this->DepotClick(pt.x - nwi->pos_x, pt.y - nwi->pos_y);
    00719         break;
    00720       }
    00721
    00722       case DEPOT_WIDGET_BUILD: // Build vehicle
    00723         ResetObjectToPlace();
    00724         ShowBuildVehicleWindow(this->window_number, this->type);
    00725         break;
    00726
    00727       case DEPOT_WIDGET_CLONE: // Clone button
    00728         this->SetWidgetDirty(DEPOT_WIDGET_CLONE);
    00729         this->ToggleWidgetLoweredState(DEPOT_WIDGET_CLONE);
    00730
    00731         if (this->IsWidgetLowered(DEPOT_WIDGET_CLONE)) {
    00732           static const CursorID clone_icons[] = {
    00733             SPR_CURSOR_CLONE_TRAIN, SPR_CURSOR_CLONE_ROADVEH,
    00734             SPR_CURSOR_CLONE_SHIP, SPR_CURSOR_CLONE_AIRPLANE
    00735           };
    00736
    00737           _place_clicked_vehicle = NULL;
    00738           SetObjectToPlaceWnd(clone_icons[this->type], PAL_NONE, HT_RECT, this);
    00739         } else {
    00740           ResetObjectToPlace();
    00741         }
    00742           break;
    00743
    00744       case DEPOT_WIDGET_LOCATION:
    00745         if (_ctrl_pressed) {
    00746           ShowExtraViewPortWindow(this->window_number);
    00747         } else {
    00748           ScrollMainWindowToTile(this->window_number);
    00749         }
    00750         break;
    00751
    00752       case DEPOT_WIDGET_STOP_ALL:
    00753       case DEPOT_WIDGET_START_ALL:
    00754         DoCommandP(this->window_number, 0, this->type | (widget == DEPOT_WIDGET_START_ALL ? (1 << 5) : 0), CMD_MASS_START_STOP);
    00755         break;
    00756
    00757       case DEPOT_WIDGET_SELL_ALL:
    00758         /* Only open the confimation window if there are anything to sell */
    00759         if (this->vehicle_list.Length() != 0 || this->wagon_list.Length() != 0) {
    00760           TileIndex tile = this->window_number;
    00761           byte vehtype = this->type;
    00762
    00763           SetDParam(0, (vehtype == VEH_AIRCRAFT) ? GetStationIndex(tile) : Depot::GetByTile(tile)->town_index);
    00764           ShowQuery(
    00765             STR_DEPOT_TRAIN_CAPTION + vehtype,
    00766             STR_DEPOT_SELL_CONFIRMATION_TEXT,
    00767             this,
    00768             DepotSellAllConfirmationCallback
    00769           );
    00770         }
    00771         break;
    00772
    00773       case DEPOT_WIDGET_VEHICLE_LIST:
    00774         ShowVehicleListWindow(GetTileOwner(this->window_number), this->type, (TileIndex)this->window_number);
    00775         break;
    00776
    00777       case DEPOT_WIDGET_AUTOREPLACE:
    00778         DoCommandP(this->window_number, this->type, 0, CMD_DEPOT_MASS_AUTOREPLACE);
    00779         break;
    00780
    00781     }
    00782   }
    00783
    00784   virtual void OnRightClick(Point pt, int widget)
    00785   {
    00786     if (widget != DEPOT_WIDGET_MATRIX) return;
    00787
    00788     GetDepotVehiclePtData gdvp = { NULL, NULL };
    00789     const Vehicle *v = NULL;
    00790     NWidgetBase *nwi = this->GetWidget<NWidgetBase>(DEPOT_WIDGET_MATRIX);
    00791     DepotGUIAction mode = this->GetVehicleFromDepotWndPt(pt.x - nwi->pos_x, pt.y - nwi->pos_y, &v, &gdvp);
    00792
    00793     if (this->type == VEH_TRAIN) v = gdvp.wagon;
    00794
    00795     if (v != NULL && mode == MODE_DRAG_VEHICLE) {
    00796       CargoArray capacity, loaded;
    00797
    00798       /* Display info for single (articulated) vehicle, or for whole chain starting with selected vehicle */
    00799       bool whole_chain = (this->type == VEH_TRAIN && _ctrl_pressed);
    00800
    00801       /* loop through vehicle chain and collect cargos */
    00802       uint num = 0;
    00803       for (const Vehicle *w = v; w != NULL; w = w->Next()) {
    00804         if (w->cargo_cap > 0 && w->cargo_type < NUM_CARGO) {
    00805           capacity[w->cargo_type] += w->cargo_cap;
    00806           loaded  [w->cargo_type] += w->cargo.Count();
    00807         }
    00808
    00809         if (w->type == VEH_TRAIN && !Train::From(w)->HasArticulatedPart()) {
    00810           num++;
    00811           if (!whole_chain) break;
    00812         }
    00813       }
    00814
    00815       /* Build tooltipstring */
    00816       static char details[1024];
    00817       details[0] = '\0';
    00818       char *pos = details;
    00819
    00820       for (CargoID cargo_type = 0; cargo_type < NUM_CARGO; cargo_type++) {
    00821         if (capacity[cargo_type] == 0) continue;
    00822
    00823         SetDParam(0, cargo_type);           // {CARGO} #1
    00824         SetDParam(1, loaded[cargo_type]);   // {CARGO} #2
    00825         SetDParam(2, cargo_type);           // {SHORTCARGO} #1
    00826         SetDParam(3, capacity[cargo_type]); // {SHORTCARGO} #2
    00827         pos = GetString(pos, STR_DEPOT_VEHICLE_TOOLTIP_CARGO, lastof(details));
    00828       }
    00829
    00830       /* Show tooltip window */
    00831       uint64 args[2];
    00832       args[0] = (whole_chain ? num : v->engine_type);
    00833       args[1] = (uint64)(size_t)details;
    00834       GuiShowTooltips(whole_chain ? STR_DEPOT_VEHICLE_TOOLTIP_CHAIN : STR_DEPOT_VEHICLE_TOOLTIP, 2, args);
    00835     } else {
    00836       /* Show tooltip help */
    00837       GuiShowTooltips(STR_DEPOT_TRAIN_LIST_TOOLTIP + this->type);
    00838     }
    00839   }
    00840
    00841
    00842   virtual void OnPlaceObject(Point pt, TileIndex tile)
    00843   {
    00844     const Vehicle *v = CheckMouseOverVehicle();
    00845
    00846     if (v != NULL) this->HandleCloneVehClick(v);
    00847   }
    00848
    00849   virtual void OnPlaceObjectAbort()
    00850   {
    00851     /* abort clone */
    00852     this->RaiseWidget(DEPOT_WIDGET_CLONE);
    00853     this->SetWidgetDirty(DEPOT_WIDGET_CLONE);
    00854
    00855     /* abort drag & drop */
    00856     this->sel = INVALID_VEHICLE;
    00857     this->SetWidgetDirty(DEPOT_WIDGET_MATRIX);
    00858   };
    00859
    00860   /* check if a vehicle in a depot was clicked.. */
    00861   virtual void OnMouseLoop()
    00862   {
    00863     const Vehicle *v = _place_clicked_vehicle;
    00864
    00865     /* since OTTD checks all open depot windows, we will make sure that it triggers the one with a clicked clone button */
    00866     if (v != NULL && this->IsWidgetLowered(DEPOT_WIDGET_CLONE)) {
    00867       _place_clicked_vehicle = NULL;
    00868       this->HandleCloneVehClick(v);
    00869     }
    00870   }
    00871
    00872   virtual void OnDragDrop(Point pt, int widget)
    00873   {
    00874     switch (widget) {
    00875       case DEPOT_WIDGET_MATRIX: {
    00876         const Vehicle *v = NULL;
    00877         VehicleID sel = this->sel;
    00878
    00879         this->sel = INVALID_VEHICLE;
    00880         this->SetDirty();
    00881
    00882         NWidgetBase *nwi = this->GetWidget<NWidgetBase>(DEPOT_WIDGET_MATRIX);
    00883         if (this->type == VEH_TRAIN) {
    00884           GetDepotVehiclePtData gdvp = { NULL, NULL };
    00885
    00886           if (this->GetVehicleFromDepotWndPt(pt.x - nwi->pos_x, pt.y - nwi->pos_y, &v, &gdvp) == MODE_DRAG_VEHICLE && sel != INVALID_VEHICLE) {
    00887             if (gdvp.wagon != NULL && gdvp.wagon->index == sel && _ctrl_pressed) {
    00888               DoCommandP(Vehicle::Get(sel)->tile, Vehicle::Get(sel)->index, true,
    00889                   CMD_REVERSE_TRAIN_DIRECTION | CMD_MSG(STR_ERROR_CAN_T_REVERSE_DIRECTION_RAIL_VEHICLE));
    00890             } else if (gdvp.wagon == NULL || gdvp.wagon->index != sel) {
    00891               TrainDepotMoveVehicle(gdvp.wagon, sel, gdvp.head);
    00892             } else if (gdvp.head != NULL && Train::From(gdvp.head)->IsFrontEngine()) {
    00893               ShowVehicleViewWindow(gdvp.head);
    00894             }
    00895           }
    00896         } else if (this->GetVehicleFromDepotWndPt(pt.x - nwi->pos_x, pt.y - nwi->pos_y, &v, NULL) == MODE_DRAG_VEHICLE && v != NULL && sel == v->index) {
    00897           ShowVehicleViewWindow(v);
    00898         }
    00899       } break;
    00900
    00901       case DEPOT_WIDGET_SELL: case DEPOT_WIDGET_SELL_CHAIN: {
    00902         if (this->IsWidgetDisabled(widget)) return;
    00903         if (this->sel == INVALID_VEHICLE) return;
    00904
    00905         this->HandleButtonClick(widget);
    00906
    00907         const Vehicle *v = Vehicle::Get(this->sel);
    00908         this->sel = INVALID_VEHICLE;
    00909         this->SetDirty();
    00910
    00911         int sell_cmd = (v->type == VEH_TRAIN && (widget == DEPOT_WIDGET_SELL_CHAIN || _ctrl_pressed)) ? 1 : 0;
    00912
    00913         bool is_engine = (v->type != VEH_TRAIN || Train::From(v)->IsFrontEngine());
    00914
    00915         if (is_engine) {
    00916           _backup_orders_tile = v->tile;
    00917           BackupVehicleOrders(v);
    00918         }
    00919
    00920         if (!DoCommandP(v->tile, v->index, sell_cmd, GetCmdSellVeh(v->type)) && is_engine) _backup_orders_tile = 0;
    00921       } break;
    00922
    00923       default:
    00924         this->sel = INVALID_VEHICLE;
    00925         this->SetDirty();
    00926     }
    00927     _cursor.vehchain = false;
    00928   }
    00929
    00930   virtual void OnTimeout()
    00931   {
    00932     if (!this->IsWidgetDisabled(DEPOT_WIDGET_SELL)) {
    00933       this->RaiseWidget(DEPOT_WIDGET_SELL);
    00934       this->SetWidgetDirty(DEPOT_WIDGET_SELL);
    00935     }
    00936     if (this->nested_array[DEPOT_WIDGET_SELL] != NULL && !this->IsWidgetDisabled(DEPOT_WIDGET_SELL_CHAIN)) {
    00937       this->RaiseWidget(DEPOT_WIDGET_SELL_CHAIN);
    00938       this->SetWidgetDirty(DEPOT_WIDGET_SELL_CHAIN);
    00939     }
    00940   }
    00941
    00942   virtual void OnResize()
    00943   {
    00944     NWidgetCore *nwi = this->GetWidget<NWidgetCore>(DEPOT_WIDGET_MATRIX);
    00945     this->vscroll.SetCapacityFromWidget(this, DEPOT_WIDGET_MATRIX);
    00946     if (this->type == VEH_TRAIN) {
    00947       this->hscroll.SetCapacity(nwi->current_x - this->header_width - this->count_width);
    00948       nwi->widget_data = (this->vscroll.GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
    00949     } else {
    00950       this->hscroll.SetCapacityFromWidget(this, DEPOT_WIDGET_MATRIX);
    00951       nwi->widget_data = (this->vscroll.GetCapacity() << MAT_ROW_START) + (this->hscroll.GetCapacity() << MAT_COL_START);
    00952     }
    00953   }
    00954
    00955   virtual EventState OnCTRLStateChange()
    00956   {
    00957     if (this->sel != INVALID_VEHICLE) {
    00958       _cursor.vehchain = _ctrl_pressed;
    00959       this->SetWidgetDirty(DEPOT_WIDGET_MATRIX);
    00960       return ES_HANDLED;
    00961     }
    00962
    00963     return ES_NOT_HANDLED;
    00964   }
    00965 };
    00966
    00967 static void DepotSellAllConfirmationCallback(Window *win, bool confirmed)
    00968 {
    00969   if (confirmed) {
    00970     DepotWindow *w = (DepotWindow*)win;
    00971     TileIndex tile = w->window_number;
    00972     byte vehtype = w->type;
    00973     DoCommandP(tile, vehtype, 0, CMD_DEPOT_SELL_ALL_VEHICLES);
    00974   }
    00975 }
    00976
    00981 void ShowDepotWindow(TileIndex tile, VehicleType type)
    00982 {
    00983   if (BringWindowToFrontById(WC_VEHICLE_DEPOT, tile) != NULL) return;
    00984
    00985   const WindowDesc *desc;
    00986   switch (type) {
    00987     default: NOT_REACHED();
    00988     case VEH_TRAIN:    desc = &_train_depot_desc;    break;
    00989     case VEH_ROAD:     desc = &_road_depot_desc;     break;
    00990     case VEH_SHIP:     desc = &_ship_depot_desc;     break;
    00991     case VEH_AIRCRAFT: desc = &_aircraft_depot_desc; break;
    00992   }
    00993
    00994   new DepotWindow(desc, tile, type);
    00995 }
    00996
    01000 void DeleteDepotHighlightOfVehicle(const Vehicle *v)
    01001 {
    01002   DepotWindow *w;
    01003
    01004   /* If we haven't got any vehicles on the mouse pointer, we haven't got any highlighted in any depots either
    01005    * If that is the case, we can skip looping though the windows and save time
    01006    */
    01007   if (_special_mouse_mode != WSM_DRAGDROP) return;
    01008
    01009   w = dynamic_cast<DepotWindow*>(FindWindowById(WC_VEHICLE_DEPOT, v->tile));
    01010   if (w != NULL) {
    01011     if (w->sel == v->index) ResetObjectToPlace();
    01012   }
    01013 }