depot_gui.cpp

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00001 /* $Id$ */
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 "stdafx.h"
00013 #include "train.h"
00014 #include "ship.h"
00015 #include "aircraft.h"
00016 #include "gui.h"
00017 #include "textbuf_gui.h"
00018 #include "viewport_func.h"
00019 #include "command_func.h"
00020 #include "depot_base.h"
00021 #include "vehicle_gui.h"
00022 #include "spritecache.h"
00023 #include "strings_func.h"
00024 #include "window_func.h"
00025 #include "vehicle_func.h"
00026 #include "company_func.h"
00027 #include "tilehighlight_func.h"
00028 #include "window_gui.h"
00029 #include "vehiclelist.h"
00030 #include "order_backup.h"
00031 #include "company_base.h"
00032 #include "infrastructure_func.h"
00033 
00034 #include "table/strings.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_SHOW_SELL_CHAIN,
00047   DEPOT_WIDGET_SELL_CHAIN,
00048   DEPOT_WIDGET_SELL_ALL,
00049   DEPOT_WIDGET_AUTOREPLACE,
00050   DEPOT_WIDGET_MATRIX,
00051   DEPOT_WIDGET_V_SCROLL, 
00052   DEPOT_WIDGET_SHOW_H_SCROLL,
00053   DEPOT_WIDGET_H_SCROLL, 
00054   DEPOT_WIDGET_BUILD,
00055   DEPOT_WIDGET_CLONE,
00056   DEPOT_WIDGET_LOCATION,
00057   DEPOT_WIDGET_SHOW_RENAME,
00058   DEPOT_WIDGET_RENAME,
00059   DEPOT_WIDGET_VEHICLE_LIST,
00060   DEPOT_WIDGET_STOP_ALL,
00061   DEPOT_WIDGET_START_ALL,
00062 };
00063 
00065 static const NWidgetPart _nested_train_depot_widgets[] = {
00066   NWidget(NWID_HORIZONTAL),
00067     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
00068     NWidget(WWT_CAPTION, COLOUR_GREY, DEPOT_WIDGET_CAPTION), SetDataTip(STR_DEPOT_CAPTION, STR_NULL),
00069     NWidget(WWT_SHADEBOX, COLOUR_GREY),
00070     NWidget(WWT_STICKYBOX, COLOUR_GREY),
00071   EndContainer(),
00072   NWidget(NWID_HORIZONTAL),
00073     NWidget(NWID_VERTICAL),
00074       NWidget(WWT_MATRIX, COLOUR_GREY, DEPOT_WIDGET_MATRIX), SetDataTip(0x0, STR_NULL), SetResize(1, 1), SetScrollbar(DEPOT_WIDGET_V_SCROLL),
00075       NWidget(NWID_SELECTION, INVALID_COLOUR, DEPOT_WIDGET_SHOW_H_SCROLL),
00076         NWidget(NWID_HSCROLLBAR, COLOUR_GREY, DEPOT_WIDGET_H_SCROLL),
00077       EndContainer(),
00078     EndContainer(),
00079     NWidget(NWID_VERTICAL),
00080       NWidget(WWT_IMGBTN, COLOUR_GREY, DEPOT_WIDGET_SELL), SetDataTip(0x0, STR_NULL), SetResize(0, 1), SetFill(0, 1),
00081       NWidget(NWID_SELECTION, INVALID_COLOUR, DEPOT_WIDGET_SHOW_SELL_CHAIN),
00082         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),
00083       EndContainer(),
00084       NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, DEPOT_WIDGET_SELL_ALL), SetDataTip(0x0, STR_NULL),
00085       NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, DEPOT_WIDGET_AUTOREPLACE), SetDataTip(0x0, STR_NULL),
00086     EndContainer(),
00087     NWidget(NWID_VSCROLLBAR, COLOUR_GREY, DEPOT_WIDGET_V_SCROLL),
00088   EndContainer(),
00089   NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
00090     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, DEPOT_WIDGET_BUILD), SetDataTip(0x0, STR_NULL), SetFill(1, 1), SetResize(1, 0),
00091     NWidget(WWT_TEXTBTN, COLOUR_GREY, DEPOT_WIDGET_CLONE), SetDataTip(0x0, STR_NULL), SetFill(1, 1), SetResize(1, 0),
00092     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, DEPOT_WIDGET_LOCATION), SetDataTip(STR_BUTTON_LOCATION, STR_NULL), SetFill(1, 1), SetResize(1, 0),
00093     NWidget(NWID_SELECTION, INVALID_COLOUR, DEPOT_WIDGET_SHOW_RENAME), // rename button
00094       NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, DEPOT_WIDGET_RENAME), SetDataTip(STR_BUTTON_RENAME, STR_DEPOT_RENAME_TOOLTIP), SetFill(1, 1), SetResize(1, 0),
00095     EndContainer(),
00096     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, DEPOT_WIDGET_VEHICLE_LIST), SetDataTip(0x0, STR_NULL), SetFill(0, 1),
00097     NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, DEPOT_WIDGET_STOP_ALL), SetDataTip(SPR_FLAG_VEH_STOPPED, STR_NULL), SetFill(0, 1),
00098     NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, DEPOT_WIDGET_START_ALL), SetDataTip(SPR_FLAG_VEH_RUNNING, STR_NULL), SetFill(0, 1),
00099     NWidget(WWT_RESIZEBOX, COLOUR_GREY),
00100   EndContainer(),
00101 };
00102 
00103 static const WindowDesc _train_depot_desc(
00104   WDP_AUTO, 362, 123,
00105   WC_VEHICLE_DEPOT, WC_NONE,
00106   WDF_UNCLICK_BUTTONS,
00107   _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets)
00108 );
00109 
00110 static const WindowDesc _road_depot_desc(
00111   WDP_AUTO, 316, 97,
00112   WC_VEHICLE_DEPOT, WC_NONE,
00113   WDF_UNCLICK_BUTTONS,
00114   _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets)
00115 );
00116 
00117 static const WindowDesc _ship_depot_desc(
00118   WDP_AUTO, 306, 99,
00119   WC_VEHICLE_DEPOT, WC_NONE,
00120   WDF_UNCLICK_BUTTONS,
00121   _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets)
00122 );
00123 
00124 static const WindowDesc _aircraft_depot_desc(
00125   WDP_AUTO, 332, 99,
00126   WC_VEHICLE_DEPOT, WC_NONE,
00127   WDF_UNCLICK_BUTTONS,
00128   _nested_train_depot_widgets, lengthof(_nested_train_depot_widgets)
00129 );
00130 
00131 extern void DepotSortList(VehicleList *list);
00132 
00140 void CcCloneVehicle(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00141 {
00142   if (result.Failed()) return;
00143 
00144   const Vehicle *v = Vehicle::Get(_new_vehicle_id);
00145 
00146   if (!_ctrl_pressed) ShowVehicleViewWindow(v);
00147 }
00148 
00149 static void TrainDepotMoveVehicle(const Vehicle *wagon, VehicleID sel, const Vehicle *head)
00150 {
00151   const Vehicle *v = Vehicle::Get(sel);
00152 
00153   if (v == wagon) return;
00154 
00155   if (wagon == NULL) {
00156     if (head != NULL) wagon = head->Last();
00157   } else {
00158     wagon = wagon->Previous();
00159     if (wagon == NULL) return;
00160   }
00161 
00162   if (wagon == v) return;
00163 
00164   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));
00165 }
00166 
00171 static Dimension _base_block_sizes[4];
00172 
00173 static void InitBlocksizeForShipAircraft(VehicleType type)
00174 {
00175   uint max_width  = 0;
00176   uint max_height = 0;
00177 
00178   const Engine *e;
00179   FOR_ALL_ENGINES_OF_TYPE(e, type) {
00180     EngineID eid = e->index;
00181     uint x, y;
00182 
00183     switch (type) {
00184       default: NOT_REACHED();
00185       case VEH_SHIP:     GetShipSpriteSize(    eid, x, y); break;
00186       case VEH_AIRCRAFT: GetAircraftSpriteSize(eid, x, y); break;
00187     }
00188     if (x > max_width)  max_width  = x;
00189     if (y > max_height) max_height = y;
00190   }
00191 
00192   switch (type) {
00193     default: NOT_REACHED();
00194     case VEH_SHIP:
00195       _base_block_sizes[VEH_SHIP].width = max(76U, max_width);
00196       break;
00197     case VEH_AIRCRAFT:
00198       _base_block_sizes[VEH_AIRCRAFT].width = max(67U, max_width);
00199       break;
00200   }
00201   _base_block_sizes[type].height = max(GetVehicleHeight(type), max_height);
00202 }
00203 
00208 void InitDepotWindowBlockSizes()
00209 {
00210   _base_block_sizes[VEH_TRAIN].width = 0;
00211   _base_block_sizes[VEH_TRAIN].height = GetVehicleHeight(VEH_TRAIN);
00212 
00213   _base_block_sizes[VEH_ROAD].width = 32;
00214   _base_block_sizes[VEH_ROAD].height = GetVehicleHeight(VEH_ROAD);
00215 
00216   InitBlocksizeForShipAircraft(VEH_SHIP);
00217   InitBlocksizeForShipAircraft(VEH_AIRCRAFT);
00218 }
00219 
00220 static void DepotSellAllConfirmationCallback(Window *w, bool confirmed);
00221 const Sprite *GetAircraftSprite(EngineID engine);
00222 
00223 struct DepotWindow : Window {
00224   VehicleID sel;
00225   VehicleID vehicle_over; 
00226   VehicleType type;
00227   bool generate_list;
00228   VehicleList vehicle_list;
00229   VehicleList wagon_list;
00230   uint num_columns;       
00231   Scrollbar *hscroll;     
00232   Scrollbar *vscroll;
00233 
00234   DepotWindow(const WindowDesc *desc, TileIndex tile, VehicleType type) : Window()
00235   {
00236     assert(IsCompanyBuildableVehicleType(type)); // ensure that we make the call with a valid type
00237 
00238     this->sel = INVALID_VEHICLE;
00239     this->vehicle_over = INVALID_VEHICLE;
00240     this->generate_list = true;
00241     this->type = type;
00242     this->num_columns = 1; // for non-trains this gets set in FinishInitNested()
00243 
00244     this->CreateNestedTree(desc);
00245     this->hscroll = (this->type == VEH_TRAIN ? this->GetScrollbar(DEPOT_WIDGET_H_SCROLL) : NULL);
00246     this->vscroll = this->GetScrollbar(DEPOT_WIDGET_V_SCROLL);
00247     /* Don't show 'rename button' of aircraft hangar */
00248     this->GetWidget<NWidgetStacked>(DEPOT_WIDGET_SHOW_RENAME)->SetDisplayedPlane(type == VEH_AIRCRAFT ? SZSP_NONE : 0);
00249     /* Only train depots have a horizontal scrollbar and a 'sell chain' button */
00250     this->GetWidget<NWidgetStacked>(DEPOT_WIDGET_SHOW_H_SCROLL)->SetDisplayedPlane(type == VEH_TRAIN ? 0 : SZSP_HORIZONTAL);
00251     this->GetWidget<NWidgetStacked>(DEPOT_WIDGET_SHOW_SELL_CHAIN)->SetDisplayedPlane(type == VEH_TRAIN ? 0 : SZSP_NONE);
00252     this->SetupWidgetData(type);
00253     this->FinishInitNested(desc, tile);
00254 
00255     this->owner = GetTileOwner(tile);
00256     OrderBackup::Reset();
00257   }
00258 
00259   ~DepotWindow()
00260   {
00261     DeleteWindowById(WC_BUILD_VEHICLE, this->window_number);
00262     OrderBackup::Reset(this->window_number);
00263   }
00264 
00272   void DrawVehicleInDepot(const Vehicle *v, int left, int right, int y) const
00273   {
00274     bool free_wagon = false;
00275     int sprite_y = y + (this->resize.step_height - GetVehicleHeight(v->type)) / 2;
00276 
00277     bool rtl = _current_text_dir == TD_RTL;
00278     int image_left  = rtl ? left  + this->count_width  : left  + this->header_width;
00279     int image_right = rtl ? right - this->header_width : right - this->count_width;
00280 
00281     switch (v->type) {
00282       case VEH_TRAIN: {
00283         const Train *u = Train::From(v);
00284         free_wagon = u->IsFreeWagon();
00285 
00286         uint x_space = free_wagon ? TRAININFO_DEFAULT_VEHICLE_WIDTH : 0;
00287         DrawTrainImage(u, image_left + (rtl ? 0 : x_space), image_right - (rtl ? x_space : 0), sprite_y - 1,
00288             this->sel, free_wagon ? 0 : this->hscroll->GetPosition(), this->vehicle_over);
00289 
00290         /* Length of consist in tiles with 1 fractional digit (rounded up) */
00291         SetDParam(0, CeilDiv(u->gcache.cached_total_length * 10, TILE_SIZE));
00292         SetDParam(1, 1);
00293         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
00294         break;
00295       }
00296 
00297       case VEH_ROAD:     DrawRoadVehImage( v, image_left, image_right, sprite_y, this->sel); break;
00298       case VEH_SHIP:     DrawShipImage(    v, image_left, image_right, sprite_y, this->sel); break;
00299       case VEH_AIRCRAFT: {
00300         const Sprite *spr = GetSprite(v->GetImage(DIR_W), ST_NORMAL);
00301         DrawAircraftImage(v, image_left, image_right,
00302                   y + max(spr->height + spr->y_offs - 14, 0), // tall sprites needs an y offset
00303                   this->sel);
00304         break;
00305       }
00306       default: NOT_REACHED();
00307     }
00308 
00309     uint diff_x, diff_y;
00310     if (v->IsGroundVehicle()) {
00311       /* Arrange unitnumber and flag horizontally */
00312       diff_x = this->flag_width + WD_FRAMERECT_LEFT;
00313       diff_y = (this->resize.step_height - this->flag_height) / 2 - 2;
00314     } else {
00315       /* Arrange unitnumber and flag vertically */
00316       diff_x = WD_FRAMERECT_LEFT;
00317       diff_y = FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
00318     }
00319     int text_left  = rtl ? right - this->header_width - 1 : left + diff_x;
00320     int text_right = rtl ? right - diff_x : left + this->header_width - 1;
00321 
00322     if (free_wagon) {
00323       DrawString(text_left, text_right, y + 2, STR_DEPOT_NO_ENGINE);
00324     } else {
00325       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);
00326 
00327       SetDParam(0, v->unitnumber);
00328       DrawString(text_left, text_right, y + 2, (uint16)(v->max_age - DAYS_IN_LEAP_YEAR) >= v->age ? STR_BLACK_COMMA : STR_RED_COMMA);
00329     }
00330   }
00331 
00332   void DrawWidget(const Rect &r, int widget) const
00333   {
00334     if (widget != DEPOT_WIDGET_MATRIX) return;
00335 
00336     bool rtl = _current_text_dir == TD_RTL;
00337 
00338     /* Set the row and number of boxes in each row based on the number of boxes drawn in the matrix */
00339     uint16 mat_data = this->GetWidget<NWidgetCore>(DEPOT_WIDGET_MATRIX)->widget_data;
00340     uint16 rows_in_display   = GB(mat_data, MAT_ROW_START, MAT_ROW_BITS);
00341     uint16 boxes_in_each_row = GB(mat_data, MAT_COL_START, MAT_COL_BITS);
00342 
00343     uint16 num = this->vscroll->GetPosition() * boxes_in_each_row;
00344     int maxval = min(this->vehicle_list.Length(), num + (rows_in_display * boxes_in_each_row));
00345     int y;
00346     for (y = r.top + 1; num < maxval; y += this->resize.step_height) { // Draw the rows
00347       for (byte i = 0; i < boxes_in_each_row && num < maxval; i++, num++) {
00348         /* Draw all vehicles in the current row */
00349         const Vehicle *v = this->vehicle_list[num];
00350         if (boxes_in_each_row == 1) {
00351           this->DrawVehicleInDepot(v, r.left, r.right, y);
00352         } else {
00353           int x = r.left + (rtl ? (boxes_in_each_row - i - 1) : i) * this->resize.step_width;
00354           this->DrawVehicleInDepot(v, x, x + this->resize.step_width - 1, y);
00355         }
00356       }
00357     }
00358 
00359     maxval = min(this->vehicle_list.Length() + this->wagon_list.Length(), (this->vscroll->GetPosition() * boxes_in_each_row) + (rows_in_display * boxes_in_each_row));
00360 
00361     /* Draw the train wagons without an engine in front. */
00362     for (; num < maxval; num++, y += this->resize.step_height) {
00363       const Vehicle *v = this->wagon_list[num - this->vehicle_list.Length()];
00364       this->DrawVehicleInDepot(v, r.left, r.right, y);
00365     }
00366   }
00367 
00368   void SetStringParameters(int widget) const
00369   {
00370     if (widget != DEPOT_WIDGET_CAPTION) return;
00371 
00372     /* locate the depot struct */
00373     TileIndex tile = this->window_number;
00374     SetDParam(0, this->type);
00375     SetDParam(1, (this->type == VEH_AIRCRAFT) ? GetStationIndex(tile) : GetDepotIndex(tile));
00376   }
00377 
00378   struct GetDepotVehiclePtData {
00379     const Vehicle *head;
00380     const Vehicle *wagon;
00381   };
00382 
00383   enum DepotGUIAction {
00384     MODE_ERROR,
00385     MODE_DRAG_VEHICLE,
00386     MODE_SHOW_VEHICLE,
00387     MODE_START_STOP,
00388   };
00389 
00390   DepotGUIAction GetVehicleFromDepotWndPt(int x, int y, const Vehicle **veh, GetDepotVehiclePtData *d) const
00391   {
00392     const NWidgetCore *matrix_widget = this->GetWidget<NWidgetCore>(DEPOT_WIDGET_MATRIX);
00393     /* In case of RTL the widgets are swapped as a whole */
00394     if (_current_text_dir == TD_RTL) x = matrix_widget->current_x - x;
00395 
00396     uint xt = 0, xm = 0, ym = 0;
00397     if (this->type == VEH_TRAIN) {
00398       xm = x;
00399     } else {
00400       xt = x / this->resize.step_width;
00401       xm = x % this->resize.step_width;
00402       if (xt >= this->num_columns) return MODE_ERROR;
00403     }
00404     ym = y % this->resize.step_height;
00405 
00406     uint row = y / this->resize.step_height;
00407     if (row >= this->vscroll->GetCapacity()) return MODE_ERROR;
00408 
00409     uint boxes_in_each_row = GB(matrix_widget->widget_data, MAT_COL_START, MAT_COL_BITS);
00410     uint pos = ((row + this->vscroll->GetPosition()) * boxes_in_each_row) + xt;
00411 
00412     if (this->vehicle_list.Length() + this->wagon_list.Length() <= pos) {
00413       /* Clicking on 'line' / 'block' without a vehicle */
00414       if (this->type == VEH_TRAIN) {
00415         /* End the dragging */
00416         d->head  = NULL;
00417         d->wagon = NULL;
00418         return MODE_DRAG_VEHICLE;
00419       } else {
00420         return MODE_ERROR; // empty block, so no vehicle is selected
00421       }
00422     }
00423 
00424     bool wagon = false;
00425     if (this->vehicle_list.Length() > pos) {
00426       *veh = this->vehicle_list[pos];
00427       /* Skip vehicles that are scrolled off the list */
00428       if (this->type == VEH_TRAIN) x += this->hscroll->GetPosition();
00429     } else {
00430       pos -= this->vehicle_list.Length();
00431       *veh = this->wagon_list[pos];
00432       /* free wagons don't have an initial loco. */
00433       x -= VEHICLEINFO_FULL_VEHICLE_WIDTH;
00434       wagon = true;
00435     }
00436 
00437     const Train *v = NULL;
00438     if (this->type == VEH_TRAIN) {
00439       v = Train::From(*veh);
00440       d->head = d->wagon = v;
00441     }
00442 
00443     if (xm <= this->header_width) {
00444       switch (this->type) {
00445         case VEH_TRAIN:
00446           if (wagon) return MODE_ERROR;
00447         case VEH_ROAD:
00448           if (xm <= this->flag_width) return MODE_START_STOP;
00449           break;
00450 
00451         case VEH_SHIP:
00452         case VEH_AIRCRAFT:
00453           if (xm <= this->flag_width && ym >= (uint)(FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL)) return MODE_START_STOP;
00454           break;
00455 
00456         default: NOT_REACHED();
00457       }
00458       return MODE_SHOW_VEHICLE;
00459     }
00460 
00461     if (this->type != VEH_TRAIN) return MODE_DRAG_VEHICLE;
00462 
00463     /* Clicking on the counter */
00464     if (xm >= matrix_widget->current_x - this->count_width) return wagon ? MODE_ERROR : MODE_SHOW_VEHICLE;
00465 
00466     /* Account for the header */
00467     x -= this->header_width;
00468 
00469     /* find the vehicle in this row that was clicked */
00470     for (; v != NULL; v = v->Next()) {
00471       x -= v->GetDisplayImageWidth();
00472       if (x < 0) break;
00473     }
00474 
00475     d->wagon = (v != NULL ? v->GetFirstEnginePart() : NULL);
00476 
00477     return MODE_DRAG_VEHICLE;
00478   }
00479 
00485   void DepotClick(int x, int y)
00486   {
00487     GetDepotVehiclePtData gdvp = { NULL, NULL };
00488     const Vehicle *v = NULL;
00489     DepotGUIAction mode = this->GetVehicleFromDepotWndPt(x, y, &v, &gdvp);
00490 
00491     if (this->type == VEH_TRAIN) v = gdvp.wagon;
00492 
00493     switch (mode) {
00494       case MODE_ERROR: // invalid
00495         return;
00496 
00497       case MODE_DRAG_VEHICLE: { // start dragging of vehicle
00498         if (v != NULL && VehicleClicked(v)) return;
00499 
00500         VehicleID sel = this->sel;
00501 
00502         if (this->type == VEH_TRAIN && sel != INVALID_VEHICLE) {
00503           this->sel = INVALID_VEHICLE;
00504           TrainDepotMoveVehicle(v, sel, gdvp.head);
00505         } else if (v != NULL) {
00506           int image = v->GetImage(_current_text_dir == TD_RTL ? DIR_E : DIR_W);
00507           SetObjectToPlaceWnd(image, GetVehiclePalette(v), HT_DRAG, this);
00508 
00509           this->sel = v->index;
00510           this->SetDirty();
00511 
00512           _cursor.short_vehicle_offset = v->IsGroundVehicle() ? 16 - v->GetGroundVehicleCache()->cached_veh_length * 2 : 0;
00513           _cursor.vehchain = _ctrl_pressed;
00514         }
00515         break;
00516       }
00517 
00518       case MODE_SHOW_VEHICLE: // show info window
00519         ShowVehicleViewWindow(v);
00520         break;
00521 
00522       case MODE_START_STOP: // click start/stop flag
00523         StartStopVehicle(v, false);
00524         break;
00525 
00526       default: NOT_REACHED();
00527     }
00528   }
00529 
00536   void SetupWidgetData(VehicleType type)
00537   {
00538     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_STOP_ALL)->tool_tip     = STR_DEPOT_MASS_STOP_DEPOT_TRAIN_TOOLTIP + type;
00539     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_START_ALL)->tool_tip    = STR_DEPOT_MASS_START_DEPOT_TRAIN_TOOLTIP + type;
00540     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL)->tool_tip         = STR_DEPOT_TRAIN_SELL_TOOLTIP + type;
00541     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL_ALL)->tool_tip     = STR_DEPOT_SELL_ALL_BUTTON_TRAIN_TOOLTIP + type;
00542 
00543     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_BUILD)->SetDataTip(STR_DEPOT_TRAIN_NEW_VEHICLES_BUTTON + type, STR_DEPOT_TRAIN_NEW_VEHICLES_TOOLTIP + type);
00544     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_CLONE)->SetDataTip(STR_DEPOT_CLONE_TRAIN + type, STR_DEPOT_CLONE_TRAIN_DEPOT_INFO + type);
00545 
00546     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_LOCATION)->tool_tip     = STR_DEPOT_TRAIN_LOCATION_TOOLTIP + type;
00547     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_VEHICLE_LIST)->tool_tip = STR_DEPOT_VEHICLE_ORDER_LIST_TRAIN_TOOLTIP + type;
00548     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_AUTOREPLACE)->tool_tip  = STR_DEPOT_AUTOREPLACE_TRAIN_TOOLTIP + type;
00549     this->GetWidget<NWidgetCore>(DEPOT_WIDGET_MATRIX)->tool_tip       = STR_DEPOT_TRAIN_LIST_TOOLTIP + this->type;
00550 
00551     switch (type) {
00552       default: NOT_REACHED();
00553 
00554       case VEH_TRAIN:
00555         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_VEHICLE_LIST)->widget_data = STR_TRAIN;
00556 
00557         /* Sprites */
00558         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL)->widget_data        = SPR_SELL_TRAIN;
00559         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL_ALL)->widget_data    = SPR_SELL_ALL_TRAIN;
00560         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_AUTOREPLACE)->widget_data = SPR_REPLACE_TRAIN;
00561         break;
00562 
00563       case VEH_ROAD:
00564         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_VEHICLE_LIST)->widget_data = STR_LORRY;
00565 
00566         /* Sprites */
00567         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL)->widget_data        = SPR_SELL_ROADVEH;
00568         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL_ALL)->widget_data    = SPR_SELL_ALL_ROADVEH;
00569         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_AUTOREPLACE)->widget_data = SPR_REPLACE_ROADVEH;
00570         break;
00571 
00572       case VEH_SHIP:
00573         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_VEHICLE_LIST)->widget_data = STR_SHIP;
00574 
00575         /* Sprites */
00576         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL)->widget_data        = SPR_SELL_SHIP;
00577         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL_ALL)->widget_data    = SPR_SELL_ALL_SHIP;
00578         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_AUTOREPLACE)->widget_data = SPR_REPLACE_SHIP;
00579         break;
00580 
00581       case VEH_AIRCRAFT:
00582         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_VEHICLE_LIST)->widget_data = STR_PLANE;
00583 
00584         /* Sprites */
00585         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL)->widget_data        = SPR_SELL_AIRCRAFT;
00586         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_SELL_ALL)->widget_data    = SPR_SELL_ALL_AIRCRAFT;
00587         this->GetWidget<NWidgetCore>(DEPOT_WIDGET_AUTOREPLACE)->widget_data = SPR_REPLACE_AIRCRAFT;
00588         break;
00589     }
00590   }
00591 
00592   uint count_width;
00593   uint header_width;
00594   uint flag_width;
00595   uint flag_height;
00596 
00597   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00598   {
00599     switch (widget) {
00600       case DEPOT_WIDGET_MATRIX: {
00601         uint min_height = 0;
00602 
00603         if (this->type == VEH_TRAIN) {
00604           SetDParam(0, 1000);
00605           SetDParam(1, 1);
00606           this->count_width = GetStringBoundingBox(STR_TINY_BLACK_DECIMAL).width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
00607         } else {
00608           this->count_width = 0;
00609         }
00610 
00611         Dimension unumber = { GetDigitWidth() * 4, FONT_HEIGHT_NORMAL };
00612         const Sprite *spr = GetSprite(SPR_FLAG_VEH_STOPPED, ST_NORMAL);
00613         this->flag_width  = spr->width + WD_FRAMERECT_RIGHT;
00614         this->flag_height = spr->height;
00615 
00616         if (this->type == VEH_TRAIN || this->type == VEH_ROAD) {
00617           min_height = max<uint>(unumber.height + WD_MATRIX_TOP, spr->height);
00618           this->header_width = unumber.width + this->flag_width + WD_FRAMERECT_LEFT;
00619         } else {
00620           min_height = unumber.height + spr->height + WD_MATRIX_TOP + WD_PAR_VSEP_NORMAL + WD_MATRIX_BOTTOM;
00621           this->header_width = max<uint>(unumber.width, this->flag_width) + WD_FRAMERECT_RIGHT;
00622         }
00623         int base_width = this->count_width + this->header_width;
00624 
00625         resize->height = max(_base_block_sizes[this->type].height, min_height);
00626         if (this->type == VEH_TRAIN) {
00627           resize->width = 1;
00628           size->width = base_width + 2 * 29; // about 2 parts
00629           size->height = resize->height * 6;
00630         } else {
00631           resize->width = base_width + _base_block_sizes[this->type].width;
00632           size->width = resize->width * (this->type == VEH_ROAD ? 5 : 3);
00633           size->height = resize->height * (this->type == VEH_ROAD ? 5 : 3);
00634         }
00635         fill->width = resize->width;
00636         fill->height = resize->height;
00637         break;
00638       }
00639     }
00640   }
00641 
00647   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00648   {
00649     this->generate_list = true;
00650   }
00651 
00652   virtual void OnPaint()
00653   {
00654     if (this->generate_list) {
00655       /* Generate the vehicle list
00656        * It's ok to use the wagon pointers for non-trains as they will be ignored */
00657       BuildDepotVehicleList(this->type, this->window_number, &this->vehicle_list, &this->wagon_list);
00658       this->generate_list = false;
00659       DepotSortList(&this->vehicle_list);
00660     }
00661 
00662     /* determine amount of items for scroller */
00663     if (this->type == VEH_TRAIN) {
00664       uint max_width = VEHICLEINFO_FULL_VEHICLE_WIDTH;
00665       for (uint num = 0; num < this->vehicle_list.Length(); num++) {
00666         uint width = 0;
00667         for (const Train *v = Train::From(this->vehicle_list[num]); v != NULL; v = v->Next()) {
00668           width += v->GetDisplayImageWidth();
00669         }
00670         max_width = max(max_width, width);
00671       }
00672       /* Always have 1 empty row, so people can change the setting of the train */
00673       this->vscroll->SetCount(this->vehicle_list.Length() + this->wagon_list.Length() + 1);
00674       this->hscroll->SetCount(max_width);
00675     } else {
00676       this->vscroll->SetCount(CeilDiv(this->vehicle_list.Length(), this->num_columns));
00677     }
00678 
00679     /* Setup disabled buttons. */
00680     TileIndex tile = this->window_number;
00681     this->SetWidgetsDisabledState(!Company::IsValidID(_local_company) || !IsInfraTileUsageAllowed(this->type, _local_company, tile),
00682       DEPOT_WIDGET_STOP_ALL,
00683       DEPOT_WIDGET_START_ALL,
00684       DEPOT_WIDGET_SELL,
00685       DEPOT_WIDGET_SELL_CHAIN,
00686       DEPOT_WIDGET_SELL_ALL,
00687       DEPOT_WIDGET_BUILD,
00688       DEPOT_WIDGET_CLONE,
00689       DEPOT_WIDGET_RENAME,
00690       DEPOT_WIDGET_AUTOREPLACE,
00691       WIDGET_LIST_END);
00692 
00693     this->DrawWidgets();
00694   }
00695 
00696   virtual void OnClick(Point pt, int widget, int click_count)
00697   {
00698     switch (widget) {
00699       case DEPOT_WIDGET_MATRIX: { // List
00700         NWidgetBase *nwi = this->GetWidget<NWidgetBase>(DEPOT_WIDGET_MATRIX);
00701         this->DepotClick(pt.x - nwi->pos_x, pt.y - nwi->pos_y);
00702         break;
00703       }
00704 
00705       case DEPOT_WIDGET_BUILD: // Build vehicle
00706         ResetObjectToPlace();
00707         ShowBuildVehicleWindow(this->window_number, this->type);
00708         break;
00709 
00710       case DEPOT_WIDGET_CLONE: // Clone button
00711         this->SetWidgetDirty(DEPOT_WIDGET_CLONE);
00712         this->ToggleWidgetLoweredState(DEPOT_WIDGET_CLONE);
00713 
00714         if (this->IsWidgetLowered(DEPOT_WIDGET_CLONE)) {
00715           static const CursorID clone_icons[] = {
00716             SPR_CURSOR_CLONE_TRAIN, SPR_CURSOR_CLONE_ROADVEH,
00717             SPR_CURSOR_CLONE_SHIP, SPR_CURSOR_CLONE_AIRPLANE
00718           };
00719 
00720           SetObjectToPlaceWnd(clone_icons[this->type], PAL_NONE, HT_VEHICLE | HT_RECT, this);
00721         } else {
00722           ResetObjectToPlace();
00723         }
00724         break;
00725 
00726       case DEPOT_WIDGET_LOCATION:
00727         if (_ctrl_pressed) {
00728           ShowExtraViewPortWindow(this->window_number);
00729         } else {
00730           ScrollMainWindowToTile(this->window_number);
00731         }
00732         break;
00733 
00734       case DEPOT_WIDGET_RENAME: // Rename button
00735         SetDParam(0, this->type);
00736         SetDParam(1, Depot::GetByTile((TileIndex)this->window_number)->index);
00737         ShowQueryString(STR_DEPOT_NAME, STR_DEPOT_RENAME_DEPOT_CAPTION, MAX_LENGTH_DEPOT_NAME_CHARS, this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT | QSF_LEN_IN_CHARS);
00738         break;
00739 
00740       case DEPOT_WIDGET_STOP_ALL:
00741       case DEPOT_WIDGET_START_ALL: {
00742         VehicleListIdentifier vli(VL_DEPOT_LIST, this->type, this->owner);
00743         DoCommandP(this->window_number, (widget == DEPOT_WIDGET_START_ALL ? (1 << 0) : 0), vli.Pack(), CMD_MASS_START_STOP);
00744         break;
00745       }
00746 
00747       case DEPOT_WIDGET_SELL_ALL:
00748         /* Only open the confimation window if there are anything to sell */
00749         if (this->vehicle_list.Length() != 0 || this->wagon_list.Length() != 0) {
00750           TileIndex tile = this->window_number;
00751           byte vehtype = this->type;
00752 
00753           SetDParam(0, vehtype);
00754           SetDParam(1, (vehtype == VEH_AIRCRAFT) ? GetStationIndex(tile) : GetDepotIndex(tile));
00755           ShowQuery(
00756             STR_DEPOT_CAPTION,
00757             STR_DEPOT_SELL_CONFIRMATION_TEXT,
00758             this,
00759             DepotSellAllConfirmationCallback
00760           );
00761         }
00762         break;
00763 
00764       case DEPOT_WIDGET_VEHICLE_LIST:
00765         ShowVehicleListWindow(GetTileOwner(this->window_number), this->type, (TileIndex)this->window_number);
00766         break;
00767 
00768       case DEPOT_WIDGET_AUTOREPLACE:
00769         DoCommandP(this->window_number, this->type, 0, CMD_DEPOT_MASS_AUTOREPLACE);
00770         break;
00771 
00772     }
00773   }
00774 
00775   virtual void OnQueryTextFinished(char *str)
00776   {
00777     if (str == NULL) return;
00778 
00779     /* Do depot renaming */
00780     DoCommandP(0, GetDepotIndex(this->window_number), 0, CMD_RENAME_DEPOT | CMD_MSG(STR_ERROR_CAN_T_RENAME_DEPOT), NULL, str);
00781   }
00782 
00783   virtual bool OnRightClick(Point pt, int widget)
00784   {
00785     if (widget != DEPOT_WIDGET_MATRIX) return false;
00786 
00787     GetDepotVehiclePtData gdvp = { NULL, NULL };
00788     const Vehicle *v = NULL;
00789     NWidgetBase *nwi = this->GetWidget<NWidgetBase>(DEPOT_WIDGET_MATRIX);
00790     DepotGUIAction mode = this->GetVehicleFromDepotWndPt(pt.x - nwi->pos_x, pt.y - nwi->pos_y, &v, &gdvp);
00791 
00792     if (this->type == VEH_TRAIN) v = gdvp.wagon;
00793 
00794     if (v == NULL || mode != MODE_DRAG_VEHICLE) return false;
00795 
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 && !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(this, whole_chain ? STR_DEPOT_VEHICLE_TOOLTIP_CHAIN : STR_DEPOT_VEHICLE_TOOLTIP, 2, args, TCC_RIGHT_CLICK);
00835 
00836     return true;
00837   }
00838 
00843   virtual void OnVehicleSelect(const Vehicle *v)
00844   {
00845     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)) {
00846       ResetObjectToPlace();
00847     }
00848   }
00849 
00850   virtual void OnPlaceObjectAbort()
00851   {
00852     /* abort clone */
00853     this->RaiseWidget(DEPOT_WIDGET_CLONE);
00854     this->SetWidgetDirty(DEPOT_WIDGET_CLONE);
00855 
00856     /* abort drag & drop */
00857     this->sel = INVALID_VEHICLE;
00858     this->vehicle_over = INVALID_VEHICLE;
00859     this->SetWidgetDirty(DEPOT_WIDGET_MATRIX);
00860   }
00861 
00862   virtual void OnMouseDrag(Point pt, int widget)
00863   {
00864     if (this->type != VEH_TRAIN || this->sel == INVALID_VEHICLE) return;
00865 
00866     /* A rail vehicle is dragged.. */
00867     if (widget != DEPOT_WIDGET_MATRIX) { // ..outside of the depot matrix.
00868       if (this->vehicle_over != INVALID_VEHICLE) {
00869         this->vehicle_over = INVALID_VEHICLE;
00870         this->SetWidgetDirty(DEPOT_WIDGET_MATRIX);
00871       }
00872       return;
00873     }
00874 
00875     NWidgetBase *matrix = this->GetWidget<NWidgetBase>(widget);
00876     const Vehicle *v = NULL;
00877     GetDepotVehiclePtData gdvp = {NULL, NULL};
00878 
00879     if (this->GetVehicleFromDepotWndPt(pt.x - matrix->pos_x, pt.y - matrix->pos_y, &v, &gdvp) != MODE_DRAG_VEHICLE) return;
00880 
00881     VehicleID new_vehicle_over = INVALID_VEHICLE;
00882     if (gdvp.head != NULL) {
00883       if (gdvp.wagon == NULL && gdvp.head->Last()->index != this->sel) { // ..at the end of the train.
00884         /* 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
00885          * destination inside a train. This head index is then used to indicate that a wagon is inserted at
00886          * the end of the train.
00887          */
00888         new_vehicle_over = gdvp.head->index;
00889       } else if (gdvp.wagon != NULL && gdvp.head != gdvp.wagon &&
00890           gdvp.wagon->index != this->sel &&
00891           gdvp.wagon->Previous()->index != this->sel) { // ..over an existing wagon.
00892         new_vehicle_over = gdvp.wagon->index;
00893       }
00894     }
00895 
00896     if (this->vehicle_over == new_vehicle_over) return;
00897 
00898     this->vehicle_over = new_vehicle_over;
00899     this->SetWidgetDirty(widget);
00900   }
00901 
00902   virtual void OnDragDrop(Point pt, int widget)
00903   {
00904     switch (widget) {
00905       case DEPOT_WIDGET_MATRIX: {
00906         const Vehicle *v = NULL;
00907         VehicleID sel = this->sel;
00908 
00909         this->sel = INVALID_VEHICLE;
00910         this->SetDirty();
00911 
00912         NWidgetBase *nwi = this->GetWidget<NWidgetBase>(DEPOT_WIDGET_MATRIX);
00913         if (this->type == VEH_TRAIN) {
00914           GetDepotVehiclePtData gdvp = { NULL, NULL };
00915 
00916           if (this->GetVehicleFromDepotWndPt(pt.x - nwi->pos_x, pt.y - nwi->pos_y, &v, &gdvp) == MODE_DRAG_VEHICLE && sel != INVALID_VEHICLE) {
00917             if (gdvp.wagon != NULL && gdvp.wagon->index == sel && _ctrl_pressed) {
00918               DoCommandP(Vehicle::Get(sel)->tile, Vehicle::Get(sel)->index, true,
00919                   CMD_REVERSE_TRAIN_DIRECTION | CMD_MSG(STR_ERROR_CAN_T_REVERSE_DIRECTION_RAIL_VEHICLE));
00920             } else if (gdvp.wagon == NULL || gdvp.wagon->index != sel) {
00921               this->vehicle_over = INVALID_VEHICLE;
00922               TrainDepotMoveVehicle(gdvp.wagon, sel, gdvp.head);
00923             } else if (gdvp.head != NULL && gdvp.head->IsFrontEngine()) {
00924               ShowVehicleViewWindow(gdvp.head);
00925             }
00926           }
00927         } else if (this->GetVehicleFromDepotWndPt(pt.x - nwi->pos_x, pt.y - nwi->pos_y, &v, NULL) == MODE_DRAG_VEHICLE && v != NULL && sel == v->index) {
00928           ShowVehicleViewWindow(v);
00929         }
00930         break;
00931       }
00932 
00933       case DEPOT_WIDGET_SELL: case DEPOT_WIDGET_SELL_CHAIN: {
00934         if (this->IsWidgetDisabled(widget)) return;
00935         if (this->sel == INVALID_VEHICLE) return;
00936 
00937         this->HandleButtonClick(widget);
00938 
00939         const Vehicle *v = Vehicle::Get(this->sel);
00940         this->sel = INVALID_VEHICLE;
00941         this->SetDirty();
00942 
00943         int sell_cmd = (v->type == VEH_TRAIN && (widget == DEPOT_WIDGET_SELL_CHAIN || _ctrl_pressed)) ? 1 : 0;
00944         DoCommandP(v->tile, v->index | sell_cmd << 20 | MAKE_ORDER_BACKUP_FLAG, 0, GetCmdSellVeh(v->type));
00945         break;
00946       }
00947 
00948       default:
00949         this->sel = INVALID_VEHICLE;
00950         this->SetDirty();
00951     }
00952     _cursor.vehchain = false;
00953   }
00954 
00955   virtual void OnTimeout()
00956   {
00957     if (!this->IsWidgetDisabled(DEPOT_WIDGET_SELL)) {
00958       this->RaiseWidget(DEPOT_WIDGET_SELL);
00959       this->SetWidgetDirty(DEPOT_WIDGET_SELL);
00960     }
00961     if (this->nested_array[DEPOT_WIDGET_SELL] != NULL && !this->IsWidgetDisabled(DEPOT_WIDGET_SELL_CHAIN)) {
00962       this->RaiseWidget(DEPOT_WIDGET_SELL_CHAIN);
00963       this->SetWidgetDirty(DEPOT_WIDGET_SELL_CHAIN);
00964     }
00965   }
00966 
00967   virtual void OnResize()
00968   {
00969     NWidgetCore *nwi = this->GetWidget<NWidgetCore>(DEPOT_WIDGET_MATRIX);
00970     this->vscroll->SetCapacityFromWidget(this, DEPOT_WIDGET_MATRIX);
00971     if (this->type == VEH_TRAIN) {
00972       this->hscroll->SetCapacity(nwi->current_x - this->header_width - this->count_width);
00973       nwi->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
00974     } else {
00975       this->num_columns = nwi->current_x / nwi->resize_x;
00976       nwi->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (this->num_columns << MAT_COL_START);
00977     }
00978   }
00979 
00980   virtual EventState OnCTRLStateChange()
00981   {
00982     if (this->sel != INVALID_VEHICLE) {
00983       _cursor.vehchain = _ctrl_pressed;
00984       this->SetWidgetDirty(DEPOT_WIDGET_MATRIX);
00985       return ES_HANDLED;
00986     }
00987 
00988     return ES_NOT_HANDLED;
00989   }
00990 };
00991 
00992 static void DepotSellAllConfirmationCallback(Window *win, bool confirmed)
00993 {
00994   if (confirmed) {
00995     DepotWindow *w = (DepotWindow*)win;
00996     TileIndex tile = w->window_number;
00997     byte vehtype = w->type;
00998     DoCommandP(tile, vehtype, 0, CMD_DEPOT_SELL_ALL_VEHICLES);
00999   }
01000 }
01001 
01007 void ShowDepotWindow(TileIndex tile, VehicleType type)
01008 {
01009   if (BringWindowToFrontById(WC_VEHICLE_DEPOT, tile) != NULL) return;
01010 
01011   const WindowDesc *desc;
01012   switch (type) {
01013     default: NOT_REACHED();
01014     case VEH_TRAIN:    desc = &_train_depot_desc;    break;
01015     case VEH_ROAD:     desc = &_road_depot_desc;     break;
01016     case VEH_SHIP:     desc = &_ship_depot_desc;     break;
01017     case VEH_AIRCRAFT: desc = &_aircraft_depot_desc; break;
01018   }
01019 
01020   new DepotWindow(desc, tile, type);
01021 }
01022 
01027 void DeleteDepotHighlightOfVehicle(const Vehicle *v)
01028 {
01029   DepotWindow *w;
01030 
01031   /* If we haven't got any vehicles on the mouse pointer, we haven't got any highlighted in any depots either
01032    * If that is the case, we can skip looping though the windows and save time
01033    */
01034   if (_special_mouse_mode != WSM_DRAGDROP) return;
01035 
01036   w = dynamic_cast<DepotWindow*>(FindWindowById(WC_VEHICLE_DEPOT, v->tile));
01037   if (w != NULL) {
01038     if (w->sel == v->index) ResetObjectToPlace();
01039   }
01040 }