# station_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 "debug.h"
    00014 #include "gui.h"
    00015 #include "textbuf_gui.h"
    00016 #include "company_func.h"
    00017 #include "command_func.h"
    00018 #include "vehicle_gui.h"
    00019 #include "cargotype.h"
    00020 #include "station_gui.h"
    00021 #include "strings_func.h"
    00022 #include "window_func.h"
    00023 #include "viewport_func.h"
    00024 #include "widgets/dropdown_func.h"
    00025 #include "station_base.h"
    00026 #include "waypoint_base.h"
    00027 #include "tilehighlight_func.h"
    00028 #include "company_base.h"
    00029 #include "sortlist_type.h"
    00030 #include "core/geometry_func.hpp"
    00031 #include "vehiclelist.h"
    00032 #include "town.h"
    00033
    00034 #include "widgets/station_widget.h"
    00035
    00036 #include "table/strings.h"
    00037
    00038 #include <vector>
    00039
    00050 int DrawStationCoverageAreaText(int left, int right, int top, StationCoverageType sct, int rad, bool supplies)
    00051 {
    00052   TileIndex tile = TileVirtXY(_thd.pos.x, _thd.pos.y);
    00053   uint32 cargo_mask = 0;
    00054   if (_thd.drawstyle == HT_RECT && tile < MapSize()) {
    00055     CargoArray cargoes;
    00056     if (supplies) {
    00057       cargoes = GetProductionAroundTiles(tile, _thd.size.x / TILE_SIZE, _thd.size.y / TILE_SIZE, rad);
    00058     } else {
    00059       cargoes = GetAcceptanceAroundTiles(tile, _thd.size.x / TILE_SIZE, _thd.size.y / TILE_SIZE, rad);
    00060     }
    00061
    00062     /* Convert cargo counts to a set of cargo bits, and draw the result. */
    00063     for (CargoID i = 0; i < NUM_CARGO; i++) {
    00064       switch (sct) {
    00065         case SCT_PASSENGERS_ONLY: if (!IsCargoInClass(i, CC_PASSENGERS)) continue; break;
    00066         case SCT_NON_PASSENGERS_ONLY: if (IsCargoInClass(i, CC_PASSENGERS)) continue; break;
    00067         case SCT_ALL: break;
    00068         default: NOT_REACHED();
    00069       }
    00070       if (cargoes[i] >= (supplies ? 1U : 8U)) SetBit(cargo_mask, i);
    00071     }
    00072   }
    00073   SetDParam(0, cargo_mask);
    00074   return DrawStringMultiLine(left, right, top, INT32_MAX, supplies ? STR_STATION_BUILD_SUPPLIES_CARGO : STR_STATION_BUILD_ACCEPTS_CARGO);
    00075 }
    00076
    00082 void CheckRedrawStationCoverage(const Window *w)
    00083 {
    00084   if (_thd.dirty & 1) {
    00085     _thd.dirty &= ~1;
    00086     w->SetDirty();
    00087   }
    00088 }
    00089
    00105 static void StationsWndShowStationRating(int left, int right, int y, CargoID type, uint amount, byte rating)
    00106 {
    00107   static const uint units_full  = 576;
    00108   static const uint rating_full = 224;
    00109
    00110   const CargoSpec *cs = CargoSpec::Get(type);
    00111   if (!cs->IsValid()) return;
    00112
    00113   int colour = cs->rating_colour;
    00114   TextColour tc = GetContrastColour(colour);
    00115   uint w = (minu(amount, units_full) + 5) / 36;
    00116
    00117   int height = GetCharacterHeight(FS_SMALL);
    00118
    00119   /* Draw total cargo (limited) on station (fits into 16 pixels) */
    00120   if (w != 0) GfxFillRect(left, y, left + w - 1, y + height, colour);
    00121
    00122   /* Draw a one pixel-wide bar of additional cargo meter, useful
    00123    * for stations with only a small amount (<=30) */
    00124   if (w == 0) {
    00125     uint rest = amount / 5;
    00126     if (rest != 0) {
    00127       w += left;
    00128       GfxFillRect(w, y + height - rest, w, y + height, colour);
    00129     }
    00130   }
    00131
    00132   DrawString(left + 1, right, y, cs->abbrev, tc);
    00133
    00134   /* Draw green/red ratings bar (fits into 14 pixels) */
    00135   y += height + 2;
    00136   GfxFillRect(left + 1, y, left + 14, y, PC_RED);
    00137   rating = minu(rating, rating_full) / 16;
    00138   if (rating != 0) GfxFillRect(left + 1, y, left + rating, y, PC_GREEN);
    00139 }
    00140
    00141 typedef GUIList<const Station*> GUIStationList;
    00142
    00146 class CompanyStationsWindow : public Window
    00147 {
    00148 protected:
    00149   /* Runtime saved values */
    00150   static Listing last_sorting;
    00151   static byte facilities;               // types of stations of interest
    00152   static bool include_empty;            // whether we should include stations without waiting cargo
    00153   static const uint32 cargo_filter_max;
    00154   static uint32 cargo_filter;           // bitmap of cargo types to include
    00155   static const Station *last_station;
    00156
    00157   /* Constants for sorting stations */
    00158   static const StringID sorter_names[];
    00159   static GUIStationList::SortFunction * const sorter_funcs[];
    00160
    00161   GUIStationList stations;
    00162   Scrollbar *vscroll;
    00163
    00169   void BuildStationsList(const Owner owner)
    00170   {
    00171     if (!this->stations.NeedRebuild()) return;
    00172
    00173     DEBUG(misc, 3, "Building station list for company %d", owner);
    00174
    00175     this->stations.Clear();
    00176
    00177     const Station *st;
    00178     FOR_ALL_STATIONS(st) {
    00179       if (st->owner == owner || (st->owner == OWNER_NONE && HasStationInUse(st->index, true, owner))) {
    00180         if (this->facilities & st->facilities) { // only stations with selected facilities
    00181           int num_waiting_cargo = 0;
    00182           for (CargoID j = 0; j < NUM_CARGO; j++) {
    00183             if (HasBit(st->goods[j].acceptance_pickup, GoodsEntry::GES_PICKUP)) {
    00184               num_waiting_cargo++; // count number of waiting cargo
    00185               if (HasBit(this->cargo_filter, j)) {
    00186                 *this->stations.Append() = st;
    00187                 break;
    00188               }
    00189             }
    00190           }
    00191           /* stations without waiting cargo */
    00192           if (num_waiting_cargo == 0 && this->include_empty) {
    00193             *this->stations.Append() = st;
    00194           }
    00195         }
    00196       }
    00197     }
    00198
    00199     this->stations.Compact();
    00200     this->stations.RebuildDone();
    00201
    00202     this->vscroll->SetCount(this->stations.Length()); // Update the scrollbar
    00203   }
    00204
    00206   static int CDECL StationNameSorter(const Station * const *a, const Station * const *b)
    00207   {
    00208     static char buf_cache[64];
    00209     char buf[64];
    00210
    00211     SetDParam(0, (*a)->index);
    00212     GetString(buf, STR_STATION_NAME, lastof(buf));
    00213
    00214     if (*b != last_station) {
    00215       last_station = *b;
    00216       SetDParam(0, (*b)->index);
    00217       GetString(buf_cache, STR_STATION_NAME, lastof(buf_cache));
    00218     }
    00219
    00220     return strcmp(buf, buf_cache);
    00221   }
    00222
    00224   static int CDECL StationTypeSorter(const Station * const *a, const Station * const *b)
    00225   {
    00226     return (*a)->facilities - (*b)->facilities;
    00227   }
    00228
    00230   static int CDECL StationWaitingSorter(const Station * const *a, const Station * const *b)
    00231   {
    00232     Money diff = 0;
    00233
    00234     CargoID j;
    00235     FOR_EACH_SET_CARGO_ID(j, cargo_filter) {
    00236       if (!(*a)->goods[j].cargo.Empty()) diff += GetTransportedGoodsIncome((*a)->goods[j].cargo.Count(), 20, 50, j);
    00237       if (!(*b)->goods[j].cargo.Empty()) diff -= GetTransportedGoodsIncome((*b)->goods[j].cargo.Count(), 20, 50, j);
    00238     }
    00239
    00240     return ClampToI32(diff);
    00241   }
    00242
    00244   static int CDECL StationRatingMaxSorter(const Station * const *a, const Station * const *b)
    00245   {
    00246     byte maxr1 = 0;
    00247     byte maxr2 = 0;
    00248
    00249     CargoID j;
    00250     FOR_EACH_SET_CARGO_ID(j, cargo_filter) {
    00251       if (HasBit((*a)->goods[j].acceptance_pickup, GoodsEntry::GES_PICKUP)) maxr1 = max(maxr1, (*a)->goods[j].rating);
    00252       if (HasBit((*b)->goods[j].acceptance_pickup, GoodsEntry::GES_PICKUP)) maxr2 = max(maxr2, (*b)->goods[j].rating);
    00253     }
    00254
    00255     return maxr1 - maxr2;
    00256   }
    00257
    00259   static int CDECL StationRatingMinSorter(const Station * const *a, const Station * const *b)
    00260   {
    00261     byte minr1 = 255;
    00262     byte minr2 = 255;
    00263
    00264     for (CargoID j = 0; j < NUM_CARGO; j++) {
    00265       if (!HasBit(cargo_filter, j)) continue;
    00266       if (HasBit((*a)->goods[j].acceptance_pickup, GoodsEntry::GES_PICKUP)) minr1 = min(minr1, (*a)->goods[j].rating);
    00267       if (HasBit((*b)->goods[j].acceptance_pickup, GoodsEntry::GES_PICKUP)) minr2 = min(minr2, (*b)->goods[j].rating);
    00268     }
    00269
    00270     return -(minr1 - minr2);
    00271   }
    00272
    00274   void SortStationsList()
    00275   {
    00276     if (!this->stations.Sort()) return;
    00277
    00278     /* Reset name sorter sort cache */
    00279     this->last_station = NULL;
    00280
    00281     /* Set the modified widget dirty */
    00282     this->SetWidgetDirty(WID_STL_LIST);
    00283   }
    00284
    00285 public:
    00286   CompanyStationsWindow(const WindowDesc *desc, WindowNumber window_number) : Window()
    00287   {
    00288     this->stations.SetListing(this->last_sorting);
    00289     this->stations.SetSortFuncs(this->sorter_funcs);
    00290     this->stations.ForceRebuild();
    00291     this->stations.NeedResort();
    00292     this->SortStationsList();
    00293
    00294     this->CreateNestedTree(desc);
    00295     this->vscroll = this->GetScrollbar(WID_STL_SCROLLBAR);
    00296     this->FinishInitNested(desc, window_number);
    00297     this->owner = (Owner)this->window_number;
    00298
    00299     const CargoSpec *cs;
    00300     FOR_ALL_SORTED_STANDARD_CARGOSPECS(cs) {
    00301       if (!HasBit(this->cargo_filter, cs->Index())) continue;
    00302       this->LowerWidget(WID_STL_CARGOSTART + index);
    00303     }
    00304
    00305     if (this->cargo_filter == this->cargo_filter_max) this->cargo_filter = _cargo_mask;
    00306
    00307     for (uint i = 0; i < 5; i++) {
    00308       if (HasBit(this->facilities, i)) this->LowerWidget(i + WID_STL_TRAIN);
    00309     }
    00310     this->SetWidgetLoweredState(WID_STL_NOCARGOWAITING, this->include_empty);
    00311
    00312     this->GetWidget<NWidgetCore>(WID_STL_SORTDROPBTN)->widget_data = this->sorter_names[this->stations.SortType()];
    00313   }
    00314
    00315   ~CompanyStationsWindow()
    00316   {
    00317     this->last_sorting = this->stations.GetListing();
    00318   }
    00319
    00320   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00321   {
    00322     switch (widget) {
    00323       case WID_STL_SORTBY: {
    00324         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
    00325         d.width += padding.width + WD_SORTBUTTON_ARROW_WIDTH * 2; // Doubled since the string is centred and it also looks better.
    00326         d.height += padding.height;
    00327         *size = maxdim(*size, d);
    00328         break;
    00329       }
    00330
    00331       case WID_STL_SORTDROPBTN: {
    00332         Dimension d = {0, 0};
    00333         for (int i = 0; this->sorter_names[i] != INVALID_STRING_ID; i++) {
    00334           d = maxdim(d, GetStringBoundingBox(this->sorter_names[i]));
    00335         }
    00336         d.width += padding.width;
    00337         d.height += padding.height;
    00338         *size = maxdim(*size, d);
    00339         break;
    00340       }
    00341
    00342       case WID_STL_LIST:
    00343         resize->height = FONT_HEIGHT_NORMAL;
    00344         size->height = WD_FRAMERECT_TOP + 5 * resize->height + WD_FRAMERECT_BOTTOM;
    00345         break;
    00346
    00347       case WID_STL_TRAIN:
    00348       case WID_STL_TRUCK:
    00349       case WID_STL_BUS:
    00350       case WID_STL_AIRPLANE:
    00351       case WID_STL_SHIP:
    00352         size->height = max<uint>(FONT_HEIGHT_SMALL, 10) + padding.height;
    00353         break;
    00354
    00355       case WID_STL_CARGOALL:
    00356       case WID_STL_FACILALL:
    00357       case WID_STL_NOCARGOWAITING: {
    00358         Dimension d = GetStringBoundingBox(widget == WID_STL_NOCARGOWAITING ? STR_ABBREV_NONE : STR_ABBREV_ALL);
    00359         d.width  += padding.width + 2;
    00360         d.height += padding.height;
    00361         *size = maxdim(*size, d);
    00362         break;
    00363       }
    00364
    00365       default:
    00366         if (widget >= WID_STL_CARGOSTART) {
    00367           Dimension d = GetStringBoundingBox(_sorted_cargo_specs[widget - WID_STL_CARGOSTART]->abbrev);
    00368           d.width  += padding.width + 2;
    00369           d.height += padding.height;
    00370           *size = maxdim(*size, d);
    00371         }
    00372         break;
    00373     }
    00374   }
    00375
    00376   virtual void OnPaint()
    00377   {
    00378     this->BuildStationsList((Owner)this->window_number);
    00379     this->SortStationsList();
    00380
    00381     this->DrawWidgets();
    00382   }
    00383
    00384   virtual void DrawWidget(const Rect &r, int widget) const
    00385   {
    00386     switch (widget) {
    00387       case WID_STL_SORTBY:
    00388         /* draw arrow pointing up/down for ascending/descending sorting */
    00389         this->DrawSortButtonState(WID_STL_SORTBY, this->stations.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
    00390         break;
    00391
    00392       case WID_STL_LIST: {
    00393         bool rtl = _current_text_dir == TD_RTL;
    00394         int max = min(this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->stations.Length());
    00395         int y = r.top + WD_FRAMERECT_TOP;
    00396         for (int i = this->vscroll->GetPosition(); i < max; ++i) { // do until max number of stations of owner
    00397           const Station *st = this->stations[i];
    00398           assert(st->xy != INVALID_TILE);
    00399
    00400           /* Do not do the complex check HasStationInUse here, it may be even false
    00401            * when the order had been removed and the station list hasn't been removed yet */
    00402           assert(st->owner == owner || st->owner == OWNER_NONE);
    00403
    00404           SetDParam(0, st->index);
    00405           SetDParam(1, st->facilities);
    00406           int x = DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_LIST_STATION);
    00407           x += rtl ? -5 : 5;
    00408
    00409           /* show cargo waiting and station ratings */
    00410           for (uint j = 0; j < _sorted_standard_cargo_specs_size; j++) {
    00411             CargoID cid = _sorted_cargo_specs[j]->Index();
    00412             if (!st->goods[cid].cargo.Empty()) {
    00413               /* For RTL we work in exactly the opposite direction. So
    00414                * decrement the space needed first, then draw to the left
    00415                * instead of drawing to the left and then incrementing
    00416                * the space. */
    00417               if (rtl) {
    00418                 x -= 20;
    00419                 if (x < r.left + WD_FRAMERECT_LEFT) break;
    00420               }
    00421               StationsWndShowStationRating(x, x + 16, y, cid, st->goods[cid].cargo.Count(), st->goods[cid].rating);
    00422               if (!rtl) {
    00423                 x += 20;
    00424                 if (x > r.right - WD_FRAMERECT_RIGHT) break;
    00425               }
    00426             }
    00427           }
    00428           y += FONT_HEIGHT_NORMAL;
    00429         }
    00430
    00431         if (this->vscroll->GetCount() == 0) { // company has no stations
    00432           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_LIST_NONE);
    00433           return;
    00434         }
    00435         break;
    00436       }
    00437
    00438       case WID_STL_NOCARGOWAITING: {
    00439         int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
    00440         DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_NONE, TC_BLACK, SA_HOR_CENTER);
    00441         break;
    00442       }
    00443
    00444       case WID_STL_CARGOALL: {
    00445         int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
    00446         DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_ALL, TC_BLACK, SA_HOR_CENTER);
    00447         break;
    00448       }
    00449
    00450       case WID_STL_FACILALL: {
    00451         int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
    00452         DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_ALL, TC_BLACK);
    00453         break;
    00454       }
    00455
    00456       default:
    00457         if (widget >= WID_STL_CARGOSTART) {
    00458           const CargoSpec *cs = _sorted_cargo_specs[widget - WID_STL_CARGOSTART];
    00459           int cg_ofst = HasBit(this->cargo_filter, cs->Index()) ? 2 : 1;
    00460           GfxFillRect(r.left + cg_ofst, r.top + cg_ofst, r.right - 2 + cg_ofst, r.bottom - 2 + cg_ofst, cs->rating_colour);
    00461           TextColour tc = GetContrastColour(cs->rating_colour);
    00462           DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, cs->abbrev, tc, SA_HOR_CENTER);
    00463         }
    00464         break;
    00465     }
    00466   }
    00467
    00468   virtual void SetStringParameters(int widget) const
    00469   {
    00470     if (widget == WID_STL_CAPTION) {
    00471       SetDParam(0, this->window_number);
    00472       SetDParam(1, this->vscroll->GetCount());
    00473     }
    00474   }
    00475
    00476   virtual void OnClick(Point pt, int widget, int click_count)
    00477   {
    00478     switch (widget) {
    00479       case WID_STL_LIST: {
    00480         uint id_v = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_STL_LIST, 0, FONT_HEIGHT_NORMAL);
    00481         if (id_v >= this->stations.Length()) return; // click out of list bound
    00482
    00483         const Station *st = this->stations[id_v];
    00484         /* do not check HasStationInUse - it is slow and may be invalid */
    00485         assert(st->owner == (Owner)this->window_number || st->owner == OWNER_NONE);
    00486
    00487         if (_ctrl_pressed) {
    00488           ShowExtraViewPortWindow(st->xy);
    00489         } else {
    00490           ScrollMainWindowToTile(st->xy);
    00491         }
    00492         break;
    00493       }
    00494
    00495       case WID_STL_TRAIN:
    00496       case WID_STL_TRUCK:
    00497       case WID_STL_BUS:
    00498       case WID_STL_AIRPLANE:
    00499       case WID_STL_SHIP:
    00500         if (_ctrl_pressed) {
    00501           ToggleBit(this->facilities, widget - WID_STL_TRAIN);
    00502           this->ToggleWidgetLoweredState(widget);
    00503         } else {
    00504           uint i;
    00505           FOR_EACH_SET_BIT(i, this->facilities) {
    00506             this->RaiseWidget(i + WID_STL_TRAIN);
    00507           }
    00508           this->facilities = 1 << (widget - WID_STL_TRAIN);
    00509           this->LowerWidget(widget);
    00510         }
    00511         this->stations.ForceRebuild();
    00512         this->SetDirty();
    00513         break;
    00514
    00515       case WID_STL_FACILALL:
    00516         for (uint i = WID_STL_TRAIN; i <= WID_STL_SHIP; i++) {
    00517           this->LowerWidget(i);
    00518         }
    00519
    00520         this->facilities = FACIL_TRAIN | FACIL_TRUCK_STOP | FACIL_BUS_STOP | FACIL_AIRPORT | FACIL_DOCK;
    00521         this->stations.ForceRebuild();
    00522         this->SetDirty();
    00523         break;
    00524
    00525       case WID_STL_CARGOALL: {
    00526         for (uint i = 0; i < _sorted_standard_cargo_specs_size; i++) {
    00527           this->LowerWidget(WID_STL_CARGOSTART + i);
    00528         }
    00529         this->LowerWidget(WID_STL_NOCARGOWAITING);
    00530
    00531         this->cargo_filter = _cargo_mask;
    00532         this->include_empty = true;
    00533         this->stations.ForceRebuild();
    00534         this->SetDirty();
    00535         break;
    00536       }
    00537
    00538       case WID_STL_SORTBY: // flip sorting method asc/desc
    00539         this->stations.ToggleSortOrder();
    00540         this->SetDirty();
    00541         break;
    00542
    00543       case WID_STL_SORTDROPBTN: // select sorting criteria dropdown menu
    00544         ShowDropDownMenu(this, this->sorter_names, this->stations.SortType(), WID_STL_SORTDROPBTN, 0, 0);
    00545         break;
    00546
    00547       case WID_STL_NOCARGOWAITING:
    00548         if (_ctrl_pressed) {
    00549           this->include_empty = !this->include_empty;
    00550           this->ToggleWidgetLoweredState(WID_STL_NOCARGOWAITING);
    00551         } else {
    00552           for (uint i = 0; i < _sorted_standard_cargo_specs_size; i++) {
    00553             this->RaiseWidget(WID_STL_CARGOSTART + i);
    00554           }
    00555
    00556           this->cargo_filter = 0;
    00557           this->include_empty = true;
    00558
    00559           this->LowerWidget(WID_STL_NOCARGOWAITING);
    00560         }
    00561         this->stations.ForceRebuild();
    00562         this->SetDirty();
    00563         break;
    00564
    00565       default:
    00566         if (widget >= WID_STL_CARGOSTART) { // change cargo_filter
    00567           /* Determine the selected cargo type */
    00568           const CargoSpec *cs = _sorted_cargo_specs[widget - WID_STL_CARGOSTART];
    00569
    00570           if (_ctrl_pressed) {
    00571             ToggleBit(this->cargo_filter, cs->Index());
    00572             this->ToggleWidgetLoweredState(widget);
    00573           } else {
    00574             for (uint i = 0; i < _sorted_standard_cargo_specs_size; i++) {
    00575               this->RaiseWidget(WID_STL_CARGOSTART + i);
    00576             }
    00577             this->RaiseWidget(WID_STL_NOCARGOWAITING);
    00578
    00579             this->cargo_filter = 0;
    00580             this->include_empty = false;
    00581
    00582             SetBit(this->cargo_filter, cs->Index());
    00583             this->LowerWidget(widget);
    00584           }
    00585           this->stations.ForceRebuild();
    00586           this->SetDirty();
    00587         }
    00588         break;
    00589     }
    00590   }
    00591
    00592   virtual void OnDropdownSelect(int widget, int index)
    00593   {
    00594     if (this->stations.SortType() != index) {
    00595       this->stations.SetSortType(index);
    00596
    00597       /* Display the current sort variant */
    00598       this->GetWidget<NWidgetCore>(WID_STL_SORTDROPBTN)->widget_data = this->sorter_names[this->stations.SortType()];
    00599
    00600       this->SetDirty();
    00601     }
    00602   }
    00603
    00604   virtual void OnTick()
    00605   {
    00606     if (_pause_mode != PM_UNPAUSED) return;
    00607     if (this->stations.NeedResort()) {
    00608       DEBUG(misc, 3, "Periodic rebuild station list company %d", this->window_number);
    00609       this->SetDirty();
    00610     }
    00611   }
    00612
    00613   virtual void OnResize()
    00614   {
    00615     this->vscroll->SetCapacityFromWidget(this, WID_STL_LIST, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
    00616   }
    00617
    00623   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00624   {
    00625     if (data == 0) {
    00626       /* This needs to be done in command-scope to enforce rebuilding before resorting invalid data */
    00627       this->stations.ForceRebuild();
    00628     } else {
    00629       this->stations.ForceResort();
    00630     }
    00631   }
    00632 };
    00633
    00634 Listing CompanyStationsWindow::last_sorting = {false, 0};
    00635 byte CompanyStationsWindow::facilities = FACIL_TRAIN | FACIL_TRUCK_STOP | FACIL_BUS_STOP | FACIL_AIRPORT | FACIL_DOCK;
    00636 bool CompanyStationsWindow::include_empty = true;
    00637 const uint32 CompanyStationsWindow::cargo_filter_max = UINT32_MAX;
    00638 uint32 CompanyStationsWindow::cargo_filter = UINT32_MAX;
    00639 const Station *CompanyStationsWindow::last_station = NULL;
    00640
    00641 /* Availible station sorting functions */
    00642 GUIStationList::SortFunction * const CompanyStationsWindow::sorter_funcs[] = {
    00643   &StationNameSorter,
    00644   &StationTypeSorter,
    00645   &StationWaitingSorter,
    00646   &StationRatingMaxSorter,
    00647   &StationRatingMinSorter
    00648 };
    00649
    00650 /* Names of the sorting functions */
    00651 const StringID CompanyStationsWindow::sorter_names[] = {
    00652   STR_SORT_BY_NAME,
    00653   STR_SORT_BY_FACILITY,
    00654   STR_SORT_BY_WAITING,
    00655   STR_SORT_BY_RATING_MAX,
    00656   STR_SORT_BY_RATING_MIN,
    00657   INVALID_STRING_ID
    00658 };
    00659
    00665 static NWidgetBase *CargoWidgets(int *biggest_index)
    00666 {
    00667   NWidgetHorizontal *container = new NWidgetHorizontal();
    00668
    00669   for (uint i = 0; i < _sorted_standard_cargo_specs_size; i++) {
    00670     NWidgetBackground *panel = new NWidgetBackground(WWT_PANEL, COLOUR_GREY, WID_STL_CARGOSTART + i);
    00671     panel->SetMinimalSize(14, 11);
    00672     panel->SetResize(0, 0);
    00673     panel->SetFill(0, 1);
    00674     panel->SetDataTip(0, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE);
    00675     container->Add(panel);
    00676   }
    00677   *biggest_index = WID_STL_CARGOSTART + _sorted_standard_cargo_specs_size;
    00678   return container;
    00679 }
    00680
    00681 static const NWidgetPart _nested_company_stations_widgets[] = {
    00682   NWidget(NWID_HORIZONTAL),
    00683     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00684     NWidget(WWT_CAPTION, COLOUR_GREY, WID_STL_CAPTION), SetDataTip(STR_STATION_LIST_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00685     NWidget(WWT_SHADEBOX, COLOUR_GREY),
    00686     NWidget(WWT_STICKYBOX, COLOUR_GREY),
    00687   EndContainer(),
    00688   NWidget(NWID_HORIZONTAL),
    00689     NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_STL_TRAIN), SetMinimalSize(14, 11), SetDataTip(STR_TRAIN, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
    00690     NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_STL_TRUCK), SetMinimalSize(14, 11), SetDataTip(STR_LORRY, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
    00691     NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_STL_BUS), SetMinimalSize(14, 11), SetDataTip(STR_BUS, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
    00692     NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_STL_SHIP), SetMinimalSize(14, 11), SetDataTip(STR_SHIP, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
    00693     NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_STL_AIRPLANE), SetMinimalSize(14, 11), SetDataTip(STR_PLANE, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
    00694     NWidget(WWT_PUSHBTN, COLOUR_GREY, WID_STL_FACILALL), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_SELECT_ALL_FACILITIES), SetFill(0, 1),
    00695     NWidget(WWT_PANEL, COLOUR_GREY), SetMinimalSize(5, 11), SetFill(0, 1), EndContainer(),
    00696     NWidgetFunction(CargoWidgets),
    00697     NWidget(WWT_PANEL, COLOUR_GREY, WID_STL_NOCARGOWAITING), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_NO_WAITING_CARGO), SetFill(0, 1), EndContainer(),
    00698     NWidget(WWT_PUSHBTN, COLOUR_GREY, WID_STL_CARGOALL), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_SELECT_ALL_TYPES), SetFill(0, 1),
    00699     NWidget(WWT_PANEL, COLOUR_GREY), SetDataTip(0x0, STR_NULL), SetResize(1, 0), SetFill(1, 1), EndContainer(),
    00700   EndContainer(),
    00701   NWidget(NWID_HORIZONTAL),
    00702     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_STL_SORTBY), SetMinimalSize(81, 12), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
    00703     NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_STL_SORTDROPBTN), SetMinimalSize(163, 12), SetDataTip(STR_SORT_BY_NAME, STR_TOOLTIP_SORT_CRITERIA), // widget_data gets overwritten.
    00704     NWidget(WWT_PANEL, COLOUR_GREY), SetDataTip(0x0, STR_NULL), SetResize(1, 0), SetFill(1, 1), EndContainer(),
    00705   EndContainer(),
    00706   NWidget(NWID_HORIZONTAL),
    00707     NWidget(WWT_PANEL, COLOUR_GREY, WID_STL_LIST), SetMinimalSize(346, 125), SetResize(1, 10), SetDataTip(0x0, STR_STATION_LIST_TOOLTIP), SetScrollbar(WID_STL_SCROLLBAR), EndContainer(),
    00708     NWidget(NWID_VERTICAL),
    00709       NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_STL_SCROLLBAR),
    00710       NWidget(WWT_RESIZEBOX, COLOUR_GREY),
    00711     EndContainer(),
    00712   EndContainer(),
    00713 };
    00714
    00715 static const WindowDesc _company_stations_desc(
    00716   WDP_AUTO, 358, 162,
    00717   WC_STATION_LIST, WC_NONE,
    00718   0,
    00719   _nested_company_stations_widgets, lengthof(_nested_company_stations_widgets)
    00720 );
    00721
    00727 void ShowCompanyStations(CompanyID company)
    00728 {
    00729   if (!Company::IsValidID(company)) return;
    00730
    00731   AllocateWindowDescFront<CompanyStationsWindow>(&_company_stations_desc, company);
    00732 }
    00733
    00734 static const NWidgetPart _nested_station_view_widgets[] = {
    00735   NWidget(NWID_HORIZONTAL),
    00736     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00737     NWidget(WWT_CAPTION, COLOUR_GREY, WID_SV_CAPTION), SetDataTip(STR_STATION_VIEW_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00738     NWidget(WWT_SHADEBOX, COLOUR_GREY),
    00739     NWidget(WWT_STICKYBOX, COLOUR_GREY),
    00740   EndContainer(),
    00741   NWidget(NWID_HORIZONTAL),
    00742     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_SORT_ORDER), SetMinimalSize(81, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
    00743     NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_SV_SORT_BY), SetMinimalSize(168, 12), SetResize(1, 0), SetFill(0, 1), SetDataTip(0x0, STR_TOOLTIP_SORT_CRITERIA),
    00744   EndContainer(),
    00745   NWidget(NWID_HORIZONTAL),
    00746     NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_SV_GROUP), SetMinimalSize(81, 12), SetFill(1, 1), SetDataTip(STR_STATION_VIEW_GROUP, 0x0),
    00747     NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_SV_GROUP_BY), SetMinimalSize(168, 12), SetResize(1, 0), SetFill(0, 1), SetDataTip(0x0, STR_TOOLTIP_GROUP_ORDER),
    00748   EndContainer(),
    00749   NWidget(NWID_HORIZONTAL),
    00750     NWidget(WWT_PANEL, COLOUR_GREY, WID_SV_WAITING), SetMinimalSize(237, 44), SetResize(1, 10), SetScrollbar(WID_SV_SCROLLBAR), EndContainer(),
    00751     NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_SV_SCROLLBAR),
    00752   EndContainer(),
    00753   NWidget(WWT_PANEL, COLOUR_GREY, WID_SV_ACCEPT_RATING_LIST), SetMinimalSize(249, 23), SetResize(1, 0), EndContainer(),
    00754   NWidget(NWID_HORIZONTAL),
    00755     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    00756       NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_LOCATION), SetMinimalSize(45, 12), SetResize(1, 0), SetFill(1, 1),
    00757           SetDataTip(STR_BUTTON_LOCATION, STR_STATION_VIEW_CENTER_TOOLTIP),
    00758       NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_ACCEPTS_RATINGS), SetMinimalSize(46, 12), SetResize(1, 0), SetFill(1, 1),
    00759           SetDataTip(STR_STATION_VIEW_RATINGS_BUTTON, STR_STATION_VIEW_RATINGS_TOOLTIP),
    00760       NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_RENAME), SetMinimalSize(45, 12), SetResize(1, 0), SetFill(1, 1),
    00761           SetDataTip(STR_BUTTON_RENAME, STR_STATION_VIEW_RENAME_TOOLTIP),
    00762     EndContainer(),
    00763     NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_SV_CLOSE_AIRPORT), SetMinimalSize(45, 12), SetResize(1, 0), SetFill(1, 1),
    00764         SetDataTip(STR_STATION_VIEW_CLOSE_AIRPORT, STR_STATION_VIEW_CLOSE_AIRPORT_TOOLTIP),
    00765     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_TRAINS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_TRAIN, STR_STATION_VIEW_SCHEDULED_TRAINS_TOOLTIP),
    00766     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_ROADVEHS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_LORRY, STR_STATION_VIEW_SCHEDULED_ROAD_VEHICLES_TOOLTIP),
    00767     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_SHIPS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_SHIP, STR_STATION_VIEW_SCHEDULED_SHIPS_TOOLTIP),
    00768     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_PLANES),  SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_PLANE, STR_STATION_VIEW_SCHEDULED_AIRCRAFT_TOOLTIP),
    00769     NWidget(WWT_RESIZEBOX, COLOUR_GREY),
    00770   EndContainer(),
    00771 };
    00772
    00783 static void DrawCargoIcons(CargoID i, uint waiting, int left, int right, int y)
    00784 {
    00785   uint num = min((waiting + 5) / 10, (right - left) / 10); // maximum is width / 10 icons so it won't overflow
    00786   if (num == 0) return;
    00787
    00788   SpriteID sprite = CargoSpec::Get(i)->GetCargoIcon();
    00789
    00790   int x = _current_text_dir == TD_RTL ? left : right - num * 10;
    00791   do {
    00792     DrawSprite(sprite, PAL_NONE, x, y);
    00793     x += 10;
    00794   } while (--num);
    00795 }
    00796
    00797 enum SortOrder {
    00798   SO_DESCENDING,
    00799   SO_ASCENDING
    00800 };
    00801
    00802 class CargoDataEntry;
    00803
    00804 enum CargoSortType {
    00805   ST_AS_GROUPING,
    00806   ST_COUNT,
    00807   ST_STATION_STRING,
    00808   ST_STATION_ID,
    00809   ST_CARGO_ID,
    00810 };
    00811
    00812 class CargoSorter {
    00813 public:
    00814   CargoSorter(CargoSortType t = ST_STATION_ID, SortOrder o = SO_ASCENDING) : type(t), order(o) {}
    00815   CargoSortType GetSortType() {return this->type;}
    00816   bool operator()(const CargoDataEntry *cd1, const CargoDataEntry *cd2) const;
    00817
    00818 private:
    00819   CargoSortType type;
    00820   SortOrder order;
    00821
    00822   template<class Tid>
    00823   bool SortId(Tid st1, Tid st2) const;
    00824   bool SortCount(const CargoDataEntry *cd1, const CargoDataEntry *cd2) const;
    00825   bool SortStation (StationID st1, StationID st2) const;
    00826 };
    00827
    00828 typedef std::set<CargoDataEntry *, CargoSorter> CargoDataSet;
    00829
    00835 class CargoDataEntry {
    00836 public:
    00837   CargoDataEntry();
    00838   ~CargoDataEntry();
    00839
    00845   CargoDataEntry *InsertOrRetrieve(StationID station)
    00846   {
    00847     return this->InsertOrRetrieve<StationID>(station);
    00848   }
    00849
    00855   CargoDataEntry *InsertOrRetrieve(CargoID cargo)
    00856   {
    00857     return this->InsertOrRetrieve<CargoID>(cargo);
    00858   }
    00859
    00860   void Update(uint count);
    00861
    00866   void Remove(StationID station)
    00867   {
    00868     CargoDataEntry t(station);
    00869     this->Remove(&t);
    00870   }
    00871
    00876   void Remove(CargoID cargo)
    00877   {
    00878     CargoDataEntry t(cargo);
    00879     this->Remove(&t);
    00880   }
    00881
    00887   CargoDataEntry *Retrieve(StationID station) const
    00888   {
    00889     CargoDataEntry t(station);
    00890     return this->Retrieve(this->children->find(&t));
    00891   }
    00892
    00898   CargoDataEntry *Retrieve(CargoID cargo) const
    00899   {
    00900     CargoDataEntry t(cargo);
    00901     return this->Retrieve(this->children->find(&t));
    00902   }
    00903
    00904   void Resort(CargoSortType type, SortOrder order);
    00905
    00909   StationID GetStation() const { return this->station; }
    00910
    00914   CargoID GetCargo() const { return this->cargo; }
    00915
    00919   uint GetCount() const { return this->count; }
    00920
    00924   CargoDataEntry *GetParent() const { return this->parent; }
    00925
    00929   uint GetNumChildren() const { return this->num_children; }
    00930
    00934   CargoDataSet::iterator Begin() const { return this->children->begin(); }
    00935
    00939   CargoDataSet::iterator End() const { return this->children->end(); }
    00940
    00941   void Clear();
    00942 private:
    00943
    00944   CargoDataEntry(StationID st, uint c, CargoDataEntry *p);
    00945   CargoDataEntry(CargoID car, uint c, CargoDataEntry *p);
    00946   CargoDataEntry(StationID st);
    00947   CargoDataEntry(CargoID car);
    00948
    00949   CargoDataEntry *Retrieve(CargoDataSet::iterator i) const;
    00950
    00951   template<class Tid>
    00952   CargoDataEntry *InsertOrRetrieve(Tid s);
    00953
    00954   void Remove(CargoDataEntry *comp);
    00955   void IncrementSize();
    00956
    00957   CargoDataEntry *parent;
    00958   const union {
    00959     StationID station;
    00960     CargoID cargo;
    00961   };
    00962   uint num_children;
    00963   uint count;
    00964   CargoDataSet *children;
    00965 };
    00966
    00967 CargoDataEntry::CargoDataEntry() :
    00968   parent(NULL),
    00969   station(INVALID_STATION),
    00970   num_children(0),
    00971   count(0),
    00972   children(new CargoDataSet(CargoSorter(ST_CARGO_ID)))
    00973 {}
    00974
    00975 CargoDataEntry::CargoDataEntry(CargoID cargo, uint count, CargoDataEntry *parent) :
    00976   parent(parent),
    00977   cargo(cargo),
    00978   num_children(0),
    00979   count(count),
    00980   children(new CargoDataSet)
    00981 {}
    00982
    00983 CargoDataEntry::CargoDataEntry(StationID station, uint count, CargoDataEntry *parent) :
    00984   parent(parent),
    00985   station(station),
    00986   num_children(0),
    00987   count(count),
    00988   children(new CargoDataSet)
    00989 {}
    00990
    00991 CargoDataEntry::CargoDataEntry(StationID station) :
    00992   parent(NULL),
    00993   station(station),
    00994   num_children(0),
    00995   count(0),
    00996   children(NULL)
    00997 {}
    00998
    00999 CargoDataEntry::CargoDataEntry(CargoID cargo) :
    01000   parent(NULL),
    01001   cargo(cargo),
    01002   num_children(0),
    01003   count(0),
    01004   children(NULL)
    01005 {}
    01006
    01007 CargoDataEntry::~CargoDataEntry()
    01008 {
    01009   this->Clear();
    01010   delete this->children;
    01011 }
    01012
    01016 void CargoDataEntry::Clear()
    01017 {
    01018   if (this->children != NULL) {
    01019     for (CargoDataSet::iterator i = this->children->begin(); i != this->children->end(); ++i) {
    01020       assert(*i != this);
    01021       delete *i;
    01022     }
    01023     this->children->clear();
    01024   }
    01025   if (this->parent != NULL) this->parent->count -= this->count;
    01026   this->count = 0;
    01027   this->num_children = 0;
    01028 }
    01029
    01036 void CargoDataEntry::Remove(CargoDataEntry *child)
    01037 {
    01038   CargoDataSet::iterator i = this->children->find(child);
    01039   if (i != this->children->end()) {
    01040     delete *i;
    01041     this->children->erase(i);
    01042   }
    01043 }
    01044
    01051 template<class Tid>
    01052 CargoDataEntry *CargoDataEntry::InsertOrRetrieve(Tid child_id)
    01053 {
    01054   CargoDataEntry tmp(child_id);
    01055   CargoDataSet::iterator i = this->children->find(&tmp);
    01056   if (i == this->children->end()) {
    01057     IncrementSize();
    01058     return *(this->children->insert(new CargoDataEntry(child_id, 0, this)).first);
    01059   } else {
    01060     CargoDataEntry *ret = *i;
    01061     assert(this->children->value_comp().GetSortType() != ST_COUNT);
    01062     return ret;
    01063   }
    01064 }
    01065
    01071 void CargoDataEntry::Update(uint count)
    01072 {
    01073   this->count += count;
    01074   if (this->parent != NULL) this->parent->Update(count);
    01075 }
    01076
    01080 void CargoDataEntry::IncrementSize()
    01081 {
    01082    ++this->num_children;
    01083    if (this->parent != NULL) this->parent->IncrementSize();
    01084 }
    01085
    01086 void CargoDataEntry::Resort(CargoSortType type, SortOrder order)
    01087 {
    01088   CargoDataSet *new_subs = new CargoDataSet(this->children->begin(), this->children->end(), CargoSorter(type, order));
    01089   delete this->children;
    01090   this->children = new_subs;
    01091 }
    01092
    01093 CargoDataEntry *CargoDataEntry::Retrieve(CargoDataSet::iterator i) const
    01094 {
    01095   if (i == this->children->end()) {
    01096     return NULL;
    01097   } else {
    01098     assert(this->children->value_comp().GetSortType() != ST_COUNT);
    01099     return *i;
    01100   }
    01101 }
    01102
    01103 bool CargoSorter::operator()(const CargoDataEntry *cd1, const CargoDataEntry *cd2) const
    01104 {
    01105   switch (this->type) {
    01106     case ST_STATION_ID:
    01107       return this->SortId<StationID>(cd1->GetStation(), cd2->GetStation());
    01108     case ST_CARGO_ID:
    01109       return this->SortId<CargoID>(cd1->GetCargo(), cd2->GetCargo());
    01110     case ST_COUNT:
    01111       return this->SortCount(cd1, cd2);
    01112     case ST_STATION_STRING:
    01113       return this->SortStation(cd1->GetStation(), cd2->GetStation());
    01114     default:
    01115       NOT_REACHED();
    01116   }
    01117 }
    01118
    01119 template<class Tid>
    01120 bool CargoSorter::SortId(Tid st1, Tid st2) const
    01121 {
    01122   return (this->order == SO_ASCENDING) ? st1 < st2 : st2 < st1;
    01123 }
    01124
    01125 bool CargoSorter::SortCount(const CargoDataEntry *cd1, const CargoDataEntry *cd2) const
    01126 {
    01127   uint c1 = cd1->GetCount();
    01128   uint c2 = cd2->GetCount();
    01129   if (c1 == c2) {
    01130     return this->SortStation(cd1->GetStation(), cd2->GetStation());
    01131   } else if (this->order == SO_ASCENDING) {
    01132     return c1 < c2;
    01133   } else {
    01134     return c2 < c1;
    01135   }
    01136 }
    01137
    01138 bool CargoSorter::SortStation(StationID st1, StationID st2) const
    01139 {
    01140   static char buf1[MAX_LENGTH_STATION_NAME_CHARS];
    01141   static char buf2[MAX_LENGTH_STATION_NAME_CHARS];
    01142
    01143   if (!Station::IsValidID(st1)) {
    01144     return Station::IsValidID(st2) ? this->order == SO_ASCENDING : this->SortId(st1, st2);
    01145   } else if (!Station::IsValidID(st2)) {
    01146     return order == SO_DESCENDING;
    01147   }
    01148
    01149   SetDParam(0, st1);
    01150   GetString(buf1, STR_STATION_NAME, lastof(buf1));
    01151   SetDParam(0, st2);
    01152   GetString(buf2, STR_STATION_NAME, lastof(buf2));
    01153
    01154   int res = strcmp(buf1, buf2);
    01155   if (res == 0) {
    01156     return this->SortId(st1, st2);
    01157   } else {
    01158     return (this->order == SO_ASCENDING) ? res < 0 : res > 0;
    01159   }
    01160 }
    01161
    01165 struct StationViewWindow : public Window {
    01169   struct RowDisplay {
    01170     RowDisplay(CargoDataEntry *f, StationID n) : filter(f), next_station(n) {}
    01171     RowDisplay(CargoDataEntry *f, CargoID n) : filter(f), next_cargo(n) {}
    01172
    01176     CargoDataEntry *filter;
    01177     union {
    01181       StationID next_station;
    01182
    01186       CargoID next_cargo;
    01187     };
    01188   };
    01189
    01190   typedef std::vector<RowDisplay> CargoDataVector;
    01191
    01192   static const int NUM_COLUMNS = 4;
    01193
    01197   enum Invalidation {
    01198     INV_FLOWS = 0x100,
    01199     INV_CARGO = 0x200
    01200   };
    01201
    01205   enum Grouping {
    01206     GR_SOURCE,
    01207     GR_NEXT,
    01208     GR_DESTINATION,
    01209     GR_CARGO,
    01210   };
    01211
    01215   enum Mode {
    01216     MODE_WAITING,
    01217     MODE_PLANNED
    01218   };
    01219
    01220   uint expand_shrink_width;
    01221   int rating_lines;
    01222   int accepts_lines;
    01223   Scrollbar *vscroll;
    01224
    01226   enum AcceptListHeight {
    01227     ALH_RATING  = 13,
    01228     ALH_ACCEPTS = 3,
    01229   };
    01230
    01231   static const StringID _sort_names[];
    01232   static const StringID _group_names[];
    01233
    01240   CargoSortType sortings[NUM_COLUMNS];
    01241
    01243   SortOrder sort_orders[NUM_COLUMNS];
    01244
    01245   int scroll_to_row;
    01246   int grouping_index;
    01247   Mode current_mode;
    01248   Grouping groupings[NUM_COLUMNS];
    01249
    01250   CargoDataEntry expanded_rows;
    01251   CargoDataEntry cached_destinations;
    01252   CargoDataVector displayed_rows;
    01253
    01254   StationViewWindow(const WindowDesc *desc, WindowNumber window_number) : Window(),
    01255     scroll_to_row(INT_MAX), grouping_index(0)
    01256   {
    01257     this->rating_lines  = ALH_RATING;
    01258     this->accepts_lines = ALH_ACCEPTS;
    01259
    01260     this->CreateNestedTree(desc);
    01261     this->vscroll = this->GetScrollbar(WID_SV_SCROLLBAR);
    01262     /* Nested widget tree creation is done in two steps to ensure that this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS) exists in UpdateWidgetSize(). */
    01263     this->FinishInitNested(desc, window_number);
    01264
    01265     this->groupings[0] = GR_CARGO;
    01266     this->sortings[0] = ST_AS_GROUPING;
    01267     this->SelectGroupBy(_settings_client.gui.station_gui_group_order);
    01268     this->SelectSortBy(_settings_client.gui.station_gui_sort_by);
    01269     this->sort_orders[0] = SO_ASCENDING;
    01270     this->SelectSortOrder((SortOrder)_settings_client.gui.station_gui_sort_order);
    01271     Owner owner = Station::Get(window_number)->owner;
    01272     if (owner != OWNER_NONE) this->owner = owner;
    01273   }
    01274
    01275   ~StationViewWindow()
    01276   {
    01277     Owner owner = Station::Get(this->window_number)->owner;
    01278     DeleteWindowById(WC_TRAINS_LIST,   VehicleListIdentifier(VL_STATION_LIST, VEH_TRAIN,    owner, this->window_number).Pack(), false);
    01279     DeleteWindowById(WC_ROADVEH_LIST,  VehicleListIdentifier(VL_STATION_LIST, VEH_ROAD,     owner, this->window_number).Pack(), false);
    01280     DeleteWindowById(WC_SHIPS_LIST,    VehicleListIdentifier(VL_STATION_LIST, VEH_SHIP,     owner, this->window_number).Pack(), false);
    01281     DeleteWindowById(WC_AIRCRAFT_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_AIRCRAFT, owner, this->window_number).Pack(), false);
    01282   }
    01283
    01294   void ShowCargo(CargoDataEntry *data, CargoID cargo, StationID source, StationID next, StationID dest, uint count)
    01295   {
    01296     if (count == 0) return;
    01297     const CargoDataEntry *expand = &this->expanded_rows;
    01298     for (int i = 0; i < NUM_COLUMNS && expand != NULL; ++i) {
    01299       switch (groupings[i]) {
    01300         case GR_CARGO:
    01301           assert(i == 0);
    01302           data = data->InsertOrRetrieve(cargo);
    01303           expand = expand->Retrieve(cargo);
    01304           break;
    01305         case GR_SOURCE:
    01306           data = data->InsertOrRetrieve(source);
    01307           expand = expand->Retrieve(source);
    01308           break;
    01309         case GR_NEXT:
    01310           data = data->InsertOrRetrieve(next);
    01311           expand = expand->Retrieve(next);
    01312           break;
    01313         case GR_DESTINATION:
    01314           data = data->InsertOrRetrieve(dest);
    01315           expand = expand->Retrieve(dest);
    01316           break;
    01317       }
    01318     }
    01319     data->Update(count);
    01320   }
    01321
    01322   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01323   {
    01324     switch (widget) {
    01325       case WID_SV_WAITING:
    01326         resize->height = FONT_HEIGHT_NORMAL;
    01327         size->height = WD_FRAMERECT_TOP + 4 * resize->height + WD_FRAMERECT_BOTTOM;
    01328         this->expand_shrink_width = max(GetStringBoundingBox("-").width, GetStringBoundingBox("+").width) + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
    01329         break;
    01330
    01331       case WID_SV_ACCEPT_RATING_LIST:
    01332         size->height = WD_FRAMERECT_TOP + ((this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) ? this->accepts_lines : this->rating_lines) * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM;
    01333         break;
    01334
    01335       case WID_SV_CLOSE_AIRPORT:
    01336         if (!(Station::Get(this->window_number)->facilities & FACIL_AIRPORT)) {
    01337           /* Hide 'Close Airport' button if no airport present. */
    01338           size->width = 0;
    01339           resize->width = 0;
    01340           fill->width = 0;
    01341         }
    01342         break;
    01343     }
    01344   }
    01345
    01346   virtual void OnPaint()
    01347   {
    01348     const Station *st = Station::Get(this->window_number);
    01349     CargoDataEntry cargo;
    01350     BuildCargoList(&cargo, st);
    01351
    01352     this->vscroll->SetCount(cargo.GetNumChildren()); // update scrollbar
    01353
    01354     /* disable some buttons */
    01355     this->SetWidgetDisabledState(WID_SV_RENAME,   st->owner != _local_company);
    01356     this->SetWidgetDisabledState(WID_SV_TRAINS,   !(st->facilities & FACIL_TRAIN));
    01357     this->SetWidgetDisabledState(WID_SV_ROADVEHS, !(st->facilities & FACIL_TRUCK_STOP) && !(st->facilities & FACIL_BUS_STOP));
    01358     this->SetWidgetDisabledState(WID_SV_SHIPS,    !(st->facilities & FACIL_DOCK));
    01359     this->SetWidgetDisabledState(WID_SV_PLANES,   !(st->facilities & FACIL_AIRPORT));
    01360     this->SetWidgetDisabledState(WID_SV_CLOSE_AIRPORT, !(st->facilities & FACIL_AIRPORT) || st->owner != _local_company || st->owner == OWNER_NONE); // Also consider SE, where _local_company == OWNER_NONE
    01361     this->SetWidgetLoweredState(WID_SV_CLOSE_AIRPORT, (st->facilities & FACIL_AIRPORT) && (st->airport.flags & AIRPORT_CLOSED_block) != 0);
    01362
    01363     this->DrawWidgets();
    01364
    01365     if (!this->IsShaded()) {
    01366       /* Draw 'accepted cargo' or 'cargo ratings'. */
    01367       const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SV_ACCEPT_RATING_LIST);
    01368       const Rect r = {wid->pos_x, wid->pos_y, wid->pos_x + wid->current_x - 1, wid->pos_y + wid->current_y - 1};
    01369       if (this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) {
    01370         int lines = this->DrawAcceptedCargo(r);
    01371         if (lines > this->accepts_lines) { // Resize the widget, and perform re-initialization of the window.
    01372           this->accepts_lines = lines;
    01373           this->ReInit();
    01374           return;
    01375         }
    01376       } else {
    01377         int lines = this->DrawCargoRatings(r);
    01378         if (lines > this->rating_lines) { // Resize the widget, and perform re-initialization of the window.
    01379           this->rating_lines = lines;
    01380           this->ReInit();
    01381           return;
    01382         }
    01383       }
    01384
    01385       /* Draw arrow pointing up/down for ascending/descending sorting */
    01386       this->DrawSortButtonState(WID_SV_SORT_ORDER, sort_orders[1] == SO_ASCENDING ? SBS_UP : SBS_DOWN);
    01387
    01388       int pos = this->vscroll->GetPosition();
    01389
    01390       int maxrows = this->vscroll->GetCapacity();
    01391
    01392       displayed_rows.clear();
    01393
    01394       /* Draw waiting cargo. */
    01395       NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_SV_WAITING);
    01396       Rect waiting_rect = {nwi->pos_x, nwi->pos_y, nwi->pos_x + nwi->current_x - 1, nwi->pos_y + nwi->current_y - 1};
    01397       this->DrawEntries(&cargo, waiting_rect, pos, maxrows, 0);
    01398       scroll_to_row = INT_MAX;
    01399     }
    01400   }
    01401
    01402   virtual void SetStringParameters(int widget) const
    01403   {
    01404     const Station *st = Station::Get(this->window_number);
    01405     SetDParam(0, st->index);
    01406     SetDParam(1, st->facilities);
    01407   }
    01408
    01414   void RecalcDestinations(CargoID i)
    01415   {
    01416     const Station *st = Station::Get(this->window_number);
    01417     CargoDataEntry *cargo_entry = cached_destinations.InsertOrRetrieve(i);
    01418     cargo_entry->Clear();
    01419
    01420     const FlowStatMap &flows = st->goods[i].flows;
    01421     for (FlowStatMap::const_iterator it = flows.begin(); it != flows.end(); ++it) {
    01422       StationID from = it->first;
    01423       CargoDataEntry *source_entry = cargo_entry->InsertOrRetrieve(from);
    01424       const FlowStat::SharesMap *shares = it->second.GetShares();
    01425       uint32 prev_count = 0;
    01426       for (FlowStat::SharesMap::const_iterator flow_it = shares->begin(); flow_it != shares->end(); ++flow_it) {
    01427         StationID via = flow_it->second;
    01428         CargoDataEntry *via_entry = source_entry->InsertOrRetrieve(via);
    01429         if (via == this->window_number) {
    01430           via_entry->InsertOrRetrieve(via)->Update(flow_it->first - prev_count);
    01431         } else {
    01432           EstimateDestinations(i, from, via, flow_it->first - prev_count, via_entry);
    01433         }
    01434         prev_count = flow_it->first;
    01435       }
    01436     }
    01437   }
    01438
    01448   void EstimateDestinations(CargoID cargo, StationID source, StationID next, uint count, CargoDataEntry *dest)
    01449   {
    01450     if (Station::IsValidID(next) && Station::IsValidID(source)) {
    01451       CargoDataEntry tmp;
    01452       const FlowStatMap &flowmap = Station::Get(next)->goods[cargo].flows;
    01453       FlowStatMap::const_iterator map_it = flowmap.find(source);
    01454       if (map_it != flowmap.end()) {
    01455         const FlowStat::SharesMap *shares = map_it->second.GetShares();
    01456         uint32 prev_count = 0;
    01457         for (FlowStat::SharesMap::const_iterator i = shares->begin(); i != shares->end(); ++i) {
    01458           tmp.InsertOrRetrieve(i->second)->Update(i->first - prev_count);
    01459           prev_count = i->first;
    01460         }
    01461       }
    01462
    01463       if (tmp.GetCount() == 0) {
    01464         dest->InsertOrRetrieve(INVALID_STATION)->Update(count);
    01465       } else {
    01466         uint sum_estimated = 0;
    01467         while (sum_estimated < count) {
    01468           for (CargoDataSet::iterator i = tmp.Begin(); i != tmp.End() && sum_estimated < count; ++i) {
    01469             CargoDataEntry *child = *i;
    01470             uint estimate = DivideApprox(child->GetCount() * count, tmp.GetCount());
    01471             if (estimate == 0) estimate = 1;
    01472
    01473             sum_estimated += estimate;
    01474             if (sum_estimated > count) {
    01475               estimate -= sum_estimated - count;
    01476               sum_estimated = count;
    01477             }
    01478
    01479             if (estimate > 0) {
    01480               if (child->GetStation() == next) {
    01481                 dest->InsertOrRetrieve(next)->Update(estimate);
    01482               } else {
    01483                 EstimateDestinations(cargo, source, child->GetStation(), estimate, dest);
    01484               }
    01485             }
    01486           }
    01487
    01488         }
    01489       }
    01490     } else {
    01491       dest->InsertOrRetrieve(INVALID_STATION)->Update(count);
    01492     }
    01493   }
    01494
    01501   void BuildFlowList(CargoID i, const FlowStatMap &flows, CargoDataEntry *cargo)
    01502   {
    01503     const CargoDataEntry *source_dest = this->cached_destinations.Retrieve(i);
    01504     for (FlowStatMap::const_iterator it = flows.begin(); it != flows.end(); ++it) {
    01505       StationID from = it->first;
    01506       const CargoDataEntry *source_entry = source_dest->Retrieve(from);
    01507       const FlowStat::SharesMap *shares = it->second.GetShares();
    01508       for (FlowStat::SharesMap::const_iterator flow_it = shares->begin(); flow_it != shares->end(); ++flow_it) {
    01509         const CargoDataEntry *via_entry = source_entry->Retrieve(flow_it->second);
    01510         for (CargoDataSet::iterator dest_it = via_entry->Begin(); dest_it != via_entry->End(); ++dest_it) {
    01511           CargoDataEntry *dest_entry = *dest_it;
    01512           ShowCargo(cargo, i, from, flow_it->second, dest_entry->GetStation(), dest_entry->GetCount());
    01513         }
    01514       }
    01515     }
    01516   }
    01517
    01524   void BuildCargoList(CargoID i, const StationCargoList &packets, CargoDataEntry *cargo)
    01525   {
    01526     const CargoDataEntry *source_dest = this->cached_destinations.Retrieve(i);
    01527     for (StationCargoList::ConstIterator it = packets.Packets()->begin(); it != packets.Packets()->end(); it++) {
    01528       const CargoPacket *cp = *it;
    01529       StationID next = it.GetKey();
    01530
    01531       const CargoDataEntry *source_entry = source_dest->Retrieve(cp->SourceStation());
    01532       if (source_entry == NULL) {
    01533         ShowCargo(cargo, i, cp->SourceStation(), next, INVALID_STATION, cp->Count());
    01534         continue;
    01535       }
    01536
    01537       const CargoDataEntry *via_entry = source_entry->Retrieve(next);
    01538       if (via_entry == NULL) {
    01539         ShowCargo(cargo, i, cp->SourceStation(), next, INVALID_STATION, cp->Count());
    01540         continue;
    01541       }
    01542
    01543       for (CargoDataSet::iterator dest_it = via_entry->Begin(); dest_it != via_entry->End(); ++dest_it) {
    01544         CargoDataEntry *dest_entry = *dest_it;
    01545         uint val = DivideApprox(cp->Count() * dest_entry->GetCount(), via_entry->GetCount());
    01546         ShowCargo(cargo, i, cp->SourceStation(), next, dest_entry->GetStation(), val);
    01547       }
    01548     }
    01549   }
    01550
    01556   void BuildCargoList(CargoDataEntry *cargo, const Station *st)
    01557   {
    01558     for (CargoID i = 0; i < NUM_CARGO; i++) {
    01559
    01560       if (this->cached_destinations.Retrieve(i) == NULL) {
    01561         this->RecalcDestinations(i);
    01562       }
    01563
    01564       if (this->current_mode == MODE_WAITING) {
    01565         this->BuildCargoList(i, st->goods[i].cargo, cargo);
    01566       } else {
    01567         this->BuildFlowList(i, st->goods[i].flows, cargo);
    01568       }
    01569     }
    01570   }
    01571
    01576   void SetDisplayedRow(const CargoDataEntry *data)
    01577   {
    01578     std::list<StationID> stations;
    01579     const CargoDataEntry *parent = data->GetParent();
    01580     if (parent->GetParent() == NULL) {
    01581       this->displayed_rows.push_back(RowDisplay(&this->expanded_rows, data->GetCargo()));
    01582       return;
    01583     }
    01584
    01585     StationID next = data->GetStation();
    01586     while (parent->GetParent()->GetParent() != NULL) {
    01587       stations.push_back(parent->GetStation());
    01588       parent = parent->GetParent();
    01589     }
    01590
    01591     CargoID cargo = parent->GetCargo();
    01592     CargoDataEntry *filter = this->expanded_rows.Retrieve(cargo);
    01593     while (!stations.empty()) {
    01594       filter = filter->Retrieve(stations.back());
    01595       stations.pop_back();
    01596     }
    01597
    01598     this->displayed_rows.push_back(RowDisplay(filter, next));
    01599   }
    01600
    01609   StringID GetEntryString(StationID station, StringID here, StringID other_station, StringID any)
    01610   {
    01611     if (station == this->window_number) {
    01612       return here;
    01613     } else if (station != INVALID_STATION) {
    01614       SetDParam(2, station);
    01615       return other_station;
    01616     } else {
    01617       return any;
    01618     }
    01619   }
    01620
    01628   StringID SearchNonStop(CargoDataEntry *cd, StationID station, int column)
    01629   {
    01630     CargoDataEntry *parent = cd->GetParent();
    01631     for (int i = column - 1; i > 0; --i) {
    01632       if (this->groupings[i] == GR_DESTINATION) {
    01633         if (parent->GetStation() == station) {
    01634           return STR_STATION_VIEW_NONSTOP;
    01635         } else {
    01636           return STR_STATION_VIEW_VIA;
    01637         }
    01638       }
    01639       parent = parent->GetParent();
    01640     }
    01641
    01642     if (this->groupings[column + 1] == GR_DESTINATION) {
    01643       CargoDataSet::iterator begin = cd->Begin();
    01644       CargoDataSet::iterator end = cd->End();
    01645       if (begin != end && ++(cd->Begin()) == end && (*(begin))->GetStation() == station) {
    01646         return STR_STATION_VIEW_NONSTOP;
    01647       } else {
    01648         return STR_STATION_VIEW_VIA;
    01649       }
    01650     }
    01651
    01652     return STR_STATION_VIEW_VIA;
    01653   }
    01654
    01665   int DrawEntries(CargoDataEntry *entry, Rect &r, int pos, int maxrows, int column, CargoID cargo = CT_INVALID)
    01666   {
    01667     if (this->sortings[column] == ST_AS_GROUPING) {
    01668       if (this->groupings[column] != GR_CARGO) {
    01669         entry->Resort(ST_STATION_STRING, this->sort_orders[column]);
    01670       }
    01671     } else {
    01672       entry->Resort(ST_COUNT, this->sort_orders[column]);
    01673     }
    01674     for (CargoDataSet::iterator i = entry->Begin(); i != entry->End(); ++i) {
    01675       CargoDataEntry *cd = *i;
    01676
    01677       if (this->groupings[column] == GR_CARGO) cargo = cd->GetCargo();
    01678
    01679       if (pos > -maxrows && pos <= 0) {
    01680         StringID str = STR_EMPTY;
    01681         int y = r.top + WD_FRAMERECT_TOP - pos * FONT_HEIGHT_NORMAL;
    01682         SetDParam(0, cargo);
    01683         SetDParam(1, cd->GetCount());
    01684
    01685         if (this->groupings[column] == GR_CARGO) {
    01686           str = STR_STATION_VIEW_WAITING_CARGO;
    01687           DrawCargoIcons(cd->GetCargo(), cd->GetCount(), r.left + WD_FRAMERECT_LEFT + this->expand_shrink_width, r.right - WD_FRAMERECT_RIGHT - this->expand_shrink_width, y);
    01688         } else {
    01689           StationID station = cd->GetStation();
    01690
    01691           switch (this->groupings[column]) {
    01692             case GR_SOURCE:
    01693               str = this->GetEntryString(station, STR_STATION_VIEW_FROM_HERE, STR_STATION_VIEW_FROM, STR_STATION_VIEW_FROM_ANY);
    01694               break;
    01695             case GR_NEXT:
    01696               str = this->GetEntryString(station, STR_STATION_VIEW_VIA_HERE, STR_STATION_VIEW_VIA, STR_STATION_VIEW_VIA_ANY);
    01697               if (str == STR_STATION_VIEW_VIA) str = SearchNonStop(cd, station, column);
    01698               break;
    01699             case GR_DESTINATION:
    01700               str = this->GetEntryString(station, STR_STATION_VIEW_TO_HERE, STR_STATION_VIEW_TO, STR_STATION_VIEW_TO_ANY);
    01701               break;
    01702             default:
    01703               NOT_REACHED();
    01704           }
    01705           if (pos == -this->scroll_to_row && Station::IsValidID(station)) {
    01706             ScrollMainWindowToTile(Station::Get(station)->xy);
    01707           }
    01708         }
    01709
    01710         bool rtl = _current_text_dir == TD_RTL;
    01711         int text_left    = rtl ? r.left + this->expand_shrink_width : r.left + WD_FRAMERECT_LEFT + column * this->expand_shrink_width;
    01712         int text_right   = rtl ? r.right - WD_FRAMERECT_LEFT - column * this->expand_shrink_width : r.right - this->expand_shrink_width;
    01713         int shrink_left  = rtl ? r.left + WD_FRAMERECT_LEFT : r.right - this->expand_shrink_width + WD_FRAMERECT_LEFT;
    01714         int shrink_right = rtl ? r.left + this->expand_shrink_width - WD_FRAMERECT_RIGHT : r.right - WD_FRAMERECT_RIGHT;
    01715
    01716         DrawString(text_left, text_right, y, str);
    01717
    01718         if (column < NUM_COLUMNS - 1) {
    01719           const char *sym = cd->GetNumChildren() > 0 ? "-" : "+";
    01720           DrawString(shrink_left, shrink_right, y, sym, TC_YELLOW);
    01721         }
    01722         SetDisplayedRow(cd);
    01723       }
    01724       pos = DrawEntries(cd, r, --pos, maxrows, column + 1, cargo);
    01725     }
    01726     return pos;
    01727   }
    01728
    01734   int DrawAcceptedCargo(const Rect &r) const
    01735   {
    01736     const Station *st = Station::Get(this->window_number);
    01737
    01738     uint32 cargo_mask = 0;
    01739     for (CargoID i = 0; i < NUM_CARGO; i++) {
    01740       if (HasBit(st->goods[i].acceptance_pickup, GoodsEntry::GES_ACCEPTANCE)) SetBit(cargo_mask, i);
    01741     }
    01742     SetDParam(0, cargo_mask);
    01743     int bottom = DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, INT32_MAX, STR_STATION_VIEW_ACCEPTS_CARGO);
    01744     return CeilDiv(bottom - r.top - WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL);
    01745   }
    01746
    01752   int DrawCargoRatings(const Rect &r) const
    01753   {
    01754     const Station *st = Station::Get(this->window_number);
    01755     int y = r.top + WD_FRAMERECT_TOP;
    01756
    01757     if (st->town->exclusive_counter > 0) {
    01758       SetDParam(0, st->town->exclusivity);
    01759       y = DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, r.bottom, st->town->exclusivity == st->owner ? STR_STATIOV_VIEW_EXCLUSIVE_RIGHTS_SELF : STR_STATIOV_VIEW_EXCLUSIVE_RIGHTS_COMPANY);
    01760       y += WD_PAR_VSEP_WIDE;
    01761     }
    01762
    01763     DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_VIEW_SUPPLY_RATINGS_TITLE);
    01764     y += FONT_HEIGHT_NORMAL;
    01765
    01766     const CargoSpec *cs;
    01767     FOR_ALL_SORTED_STANDARD_CARGOSPECS(cs) {
    01768       const GoodsEntry *ge = &st->goods[cs->Index()];
    01769       if (!HasBit(ge->acceptance_pickup, GoodsEntry::GES_PICKUP)) continue;
    01770
    01771       SetDParam(0, cs->name);
    01772       SetDParam(1, ge->supply);
    01773       SetDParam(3, ToPercent8(ge->rating));
    01774       SetDParam(2, STR_CARGO_RATING_APPALLING + (ge->rating >> 5));
    01775       DrawString(r.left + WD_FRAMERECT_LEFT + 6, r.right - WD_FRAMERECT_RIGHT - 6, y, STR_STATION_VIEW_CARGO_SUPPLY_RATING);
    01776       y += FONT_HEIGHT_NORMAL;
    01777     }
    01778     return CeilDiv(y - r.top - WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL);
    01779   }
    01780
    01786   template<class Tid>
    01787   void HandleCargoWaitingClick(CargoDataEntry *filter, Tid next)
    01788   {
    01789     if (filter->Retrieve(next) != NULL) {
    01790       filter->Remove(next);
    01791     } else {
    01792       filter->InsertOrRetrieve(next);
    01793     }
    01794   }
    01795
    01800   void HandleCargoWaitingClick(int row)
    01801   {
    01802     if (row < 0 || (uint)row >= this->displayed_rows.size()) return;
    01803     if (_ctrl_pressed) {
    01804       this->scroll_to_row = row;
    01805     } else {
    01806       RowDisplay &display = this->displayed_rows[row];
    01807       if (display.filter == &this->expanded_rows) {
    01808         this->HandleCargoWaitingClick<CargoID>(display.filter, display.next_cargo);
    01809       } else {
    01810         this->HandleCargoWaitingClick<StationID>(display.filter, display.next_station);
    01811       }
    01812     }
    01813     this->SetWidgetDirty(WID_SV_WAITING);
    01814   }
    01815
    01816   virtual void OnClick(Point pt, int widget, int click_count)
    01817   {
    01818     switch (widget) {
    01819       case WID_SV_WAITING:
    01820         this->HandleCargoWaitingClick(this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_SV_WAITING, WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL) - this->vscroll->GetPosition());
    01821         break;
    01822
    01823       case WID_SV_LOCATION:
    01824         if (_ctrl_pressed) {
    01825           ShowExtraViewPortWindow(Station::Get(this->window_number)->xy);
    01826         } else {
    01827           ScrollMainWindowToTile(Station::Get(this->window_number)->xy);
    01828         }
    01829         break;
    01830
    01831       case WID_SV_ACCEPTS_RATINGS: {
    01832         /* Swap between 'accepts' and 'ratings' view. */
    01833         int height_change;
    01834         NWidgetCore *nwi = this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS);
    01835         if (this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) {
    01836           nwi->SetDataTip(STR_STATION_VIEW_ACCEPTS_BUTTON, STR_STATION_VIEW_ACCEPTS_TOOLTIP); // Switch to accepts view.
    01837           height_change = this->rating_lines - this->accepts_lines;
    01838         } else {
    01839           nwi->SetDataTip(STR_STATION_VIEW_RATINGS_BUTTON, STR_STATION_VIEW_RATINGS_TOOLTIP); // Switch to ratings view.
    01840           height_change = this->accepts_lines - this->rating_lines;
    01841         }
    01842         this->ReInit(0, height_change * FONT_HEIGHT_NORMAL);
    01843         break;
    01844       }
    01845
    01846       case WID_SV_RENAME:
    01847         SetDParam(0, this->window_number);
    01848         ShowQueryString(STR_STATION_NAME, STR_STATION_VIEW_RENAME_STATION_CAPTION, MAX_LENGTH_STATION_NAME_CHARS,
    01849             this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT | QSF_LEN_IN_CHARS);
    01850         break;
    01851
    01852       case WID_SV_CLOSE_AIRPORT:
    01853         DoCommandP(0, this->window_number, 0, CMD_OPEN_CLOSE_AIRPORT);
    01854         break;
    01855
    01856       case WID_SV_TRAINS:   // Show list of scheduled trains to this station
    01857       case WID_SV_ROADVEHS: // Show list of scheduled road-vehicles to this station
    01858       case WID_SV_SHIPS:    // Show list of scheduled ships to this station
    01859       case WID_SV_PLANES: { // Show list of scheduled aircraft to this station
    01860         Owner owner = Station::Get(this->window_number)->owner;
    01861         ShowVehicleListWindow(owner, (VehicleType)(widget - WID_SV_TRAINS), (StationID)this->window_number);
    01862         break;
    01863       }
    01864
    01865       case WID_SV_SORT_BY: {
    01866         ShowDropDownMenu(this, _sort_names, this->current_mode, WID_SV_SORT_BY, 0, 0);
    01867         break;
    01868       }
    01869
    01870       case WID_SV_GROUP_BY: {
    01871         ShowDropDownMenu(this, _group_names, this->grouping_index, WID_SV_GROUP_BY, 0, 0);
    01872         break;
    01873       }
    01874
    01875       case WID_SV_SORT_ORDER: { // flip sorting method asc/desc
    01876         this->SelectSortOrder(this->sort_orders[1] == SO_ASCENDING ? SO_DESCENDING : SO_ASCENDING);
    01877         this->SetTimeout();
    01878         this->LowerWidget(WID_SV_SORT_ORDER);
    01879         break;
    01880       }
    01881     }
    01882   }
    01883
    01888   void SelectSortOrder(SortOrder order)
    01889   {
    01890     this->sort_orders[1] = this->sort_orders[2] = this->sort_orders[3] = order;
    01891     _settings_client.gui.station_gui_sort_order = this->sort_orders[1];
    01892     this->SetDirty();
    01893   }
    01894
    01899   void SelectSortBy(int index)
    01900   {
    01901     _settings_client.gui.station_gui_sort_by = index;
    01902     switch (_sort_names[index]) {
    01903       case STR_STATION_VIEW_WAITING_STATION:
    01904         this->current_mode = MODE_WAITING;
    01905         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_AS_GROUPING;
    01906         break;
    01907       case STR_STATION_VIEW_WAITING_AMOUNT:
    01908         this->current_mode = MODE_WAITING;
    01909         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_COUNT;
    01910         break;
    01911       case STR_STATION_VIEW_PLANNED_STATION:
    01912         this->current_mode = MODE_PLANNED;
    01913         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_AS_GROUPING;
    01914         break;
    01915       case STR_STATION_VIEW_PLANNED_AMOUNT:
    01916         this->current_mode = MODE_PLANNED;
    01917         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_COUNT;
    01918         break;
    01919       default:
    01920         NOT_REACHED();
    01921     }
    01922     /* Display the current sort variant */
    01923     this->GetWidget<NWidgetCore>(WID_SV_SORT_BY)->widget_data = _sort_names[index];
    01924     this->SetDirty();
    01925   }
    01926
    01931   void SelectGroupBy(int index)
    01932   {
    01933     this->grouping_index = index;
    01934     _settings_client.gui.station_gui_group_order = index;
    01935     this->GetWidget<NWidgetCore>(WID_SV_GROUP_BY)->widget_data = _group_names[index];
    01936     switch (_group_names[index]) {
    01937       case STR_STATION_VIEW_GROUP_S_V_D:
    01938         this->groupings[1] = GR_SOURCE;
    01939         this->groupings[2] = GR_NEXT;
    01940         this->groupings[3] = GR_DESTINATION;
    01941         break;
    01942       case STR_STATION_VIEW_GROUP_S_D_V:
    01943         this->groupings[1] = GR_SOURCE;
    01944         this->groupings[2] = GR_DESTINATION;
    01945         this->groupings[3] = GR_NEXT;
    01946         break;
    01947       case STR_STATION_VIEW_GROUP_V_S_D:
    01948         this->groupings[1] = GR_NEXT;
    01949         this->groupings[2] = GR_SOURCE;
    01950         this->groupings[3] = GR_DESTINATION;
    01951         break;
    01952       case STR_STATION_VIEW_GROUP_V_D_S:
    01953         this->groupings[1] = GR_NEXT;
    01954         this->groupings[2] = GR_DESTINATION;
    01955         this->groupings[3] = GR_SOURCE;
    01956         break;
    01957       case STR_STATION_VIEW_GROUP_D_S_V:
    01958         this->groupings[1] = GR_DESTINATION;
    01959         this->groupings[2] = GR_SOURCE;
    01960         this->groupings[3] = GR_NEXT;
    01961         break;
    01962       case STR_STATION_VIEW_GROUP_D_V_S:
    01963         this->groupings[1] = GR_DESTINATION;
    01964         this->groupings[2] = GR_NEXT;
    01965         this->groupings[3] = GR_SOURCE;
    01966         break;
    01967     }
    01968     this->SetDirty();
    01969   }
    01970
    01971   virtual void OnDropdownSelect(int widget, int index)
    01972   {
    01973     if (widget == WID_SV_SORT_BY) {
    01974       this->SelectSortBy(index);
    01975     } else {
    01976       this->SelectGroupBy(index);
    01977     }
    01978   }
    01979
    01980   virtual void OnQueryTextFinished(char *str)
    01981   {
    01982     if (str == NULL) return;
    01983
    01984     DoCommandP(0, this->window_number, 0, CMD_RENAME_STATION | CMD_MSG(STR_ERROR_CAN_T_RENAME_STATION), NULL, str);
    01985   }
    01986
    01987   virtual void OnResize()
    01988   {
    01989     this->vscroll->SetCapacityFromWidget(this, WID_SV_WAITING, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
    01990   }
    01991
    01997   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    01998   {
    01999     if (gui_scope) {
    02000       if (data >= 0 && data < NUM_CARGO) {
    02001         this->cached_destinations.Remove((CargoID)data);
    02002       } else {
    02003         this->ReInit();
    02004       }
    02005     }
    02006   }
    02007 };
    02008
    02009 const StringID StationViewWindow::_sort_names[] = {
    02010   STR_STATION_VIEW_WAITING_STATION,
    02011   STR_STATION_VIEW_WAITING_AMOUNT,
    02012   STR_STATION_VIEW_PLANNED_STATION,
    02013   STR_STATION_VIEW_PLANNED_AMOUNT,
    02014   INVALID_STRING_ID
    02015 };
    02016
    02017 const StringID StationViewWindow::_group_names[] = {
    02018   STR_STATION_VIEW_GROUP_S_V_D,
    02019   STR_STATION_VIEW_GROUP_S_D_V,
    02020   STR_STATION_VIEW_GROUP_V_S_D,
    02021   STR_STATION_VIEW_GROUP_V_D_S,
    02022   STR_STATION_VIEW_GROUP_D_S_V,
    02023   STR_STATION_VIEW_GROUP_D_V_S,
    02024   INVALID_STRING_ID
    02025 };
    02026
    02027 static const WindowDesc _station_view_desc(
    02028   WDP_AUTO, 249, 117,
    02029   WC_STATION_VIEW, WC_NONE,
    02030   0,
    02031   _nested_station_view_widgets, lengthof(_nested_station_view_widgets)
    02032 );
    02033
    02039 void ShowStationViewWindow(StationID station)
    02040 {
    02041   AllocateWindowDescFront<StationViewWindow>(&_station_view_desc, station);
    02042 }
    02043
    02045 struct TileAndStation {
    02046   TileIndex tile;
    02047   StationID station;
    02048 };
    02049
    02050 static SmallVector<TileAndStation, 8> _deleted_stations_nearby;
    02051 static SmallVector<StationID, 8> _stations_nearby_list;
    02052
    02060 template <class T>
    02061 static bool AddNearbyStation(TileIndex tile, void *user_data)
    02062 {
    02063   TileArea *ctx = (TileArea *)user_data;
    02064
    02065   /* First check if there were deleted stations here */
    02066   for (uint i = 0; i < _deleted_stations_nearby.Length(); i++) {
    02067     TileAndStation *ts = _deleted_stations_nearby.Get(i);
    02068     if (ts->tile == tile) {
    02069       *_stations_nearby_list.Append() = _deleted_stations_nearby[i].station;
    02070       _deleted_stations_nearby.Erase(ts);
    02071       i--;
    02072     }
    02073   }
    02074
    02075   /* Check if own station and if we stay within station spread */
    02076   if (!IsTileType(tile, MP_STATION)) return false;
    02077
    02078   StationID sid = GetStationIndex(tile);
    02079
    02080   /* This station is (likely) a waypoint */
    02081   if (!T::IsValidID(sid)) return false;
    02082
    02083   T *st = T::Get(sid);
    02084   if (st->owner != _local_company || _stations_nearby_list.Contains(sid)) return false;
    02085
    02086   if (st->rect.BeforeAddRect(ctx->tile, ctx->w, ctx->h, StationRect::ADD_TEST).Succeeded()) {
    02087     *_stations_nearby_list.Append() = sid;
    02088   }
    02089
    02090   return false; // We want to include *all* nearby stations
    02091 }
    02092
    02102 template <class T>
    02103 static const T *FindStationsNearby(TileArea ta, bool distant_join)
    02104 {
    02105   TileArea ctx = ta;
    02106
    02107   _stations_nearby_list.Clear();
    02108   _deleted_stations_nearby.Clear();
    02109
    02110   /* Check the inside, to return, if we sit on another station */
    02111   TILE_AREA_LOOP(t, ta) {
    02112     if (t < MapSize() && IsTileType(t, MP_STATION) && T::IsValidID(GetStationIndex(t))) return T::GetByTile(t);
    02113   }
    02114
    02115   /* Look for deleted stations */
    02116   const BaseStation *st;
    02117   FOR_ALL_BASE_STATIONS(st) {
    02118     if (T::IsExpected(st) && !st->IsInUse() && st->owner == _local_company) {
    02119       /* Include only within station spread (yes, it is strictly less than) */
    02120       if (max(DistanceMax(ta.tile, st->xy), DistanceMax(TILE_ADDXY(ta.tile, ta.w - 1, ta.h - 1), st->xy)) < _settings_game.station.station_spread) {
    02121         TileAndStation *ts = _deleted_stations_nearby.Append();
    02122         ts->tile = st->xy;
    02123         ts->station = st->index;
    02124
    02125         /* Add the station when it's within where we're going to build */
    02126         if (IsInsideBS(TileX(st->xy), TileX(ctx.tile), ctx.w) &&
    02127             IsInsideBS(TileY(st->xy), TileY(ctx.tile), ctx.h)) {
    02128           AddNearbyStation<T>(st->xy, &ctx);
    02129         }
    02130       }
    02131     }
    02132   }
    02133
    02134   /* Only search tiles where we have a chance to stay within the station spread.
    02135    * The complete check needs to be done in the callback as we don't know the
    02136    * extent of the found station, yet. */
    02137   if (distant_join && min(ta.w, ta.h) >= _settings_game.station.station_spread) return NULL;
    02138   uint max_dist = distant_join ? _settings_game.station.station_spread - min(ta.w, ta.h) : 1;
    02139
    02140   TileIndex tile = TILE_ADD(ctx.tile, TileOffsByDir(DIR_N));
    02141   CircularTileSearch(&tile, max_dist, ta.w, ta.h, AddNearbyStation<T>, &ctx);
    02142
    02143   return NULL;
    02144 }
    02145
    02146 static const NWidgetPart _nested_select_station_widgets[] = {
    02147   NWidget(NWID_HORIZONTAL),
    02148     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
    02149     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_JS_CAPTION), SetDataTip(STR_JOIN_STATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    02150   EndContainer(),
    02151   NWidget(NWID_HORIZONTAL),
    02152     NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_JS_PANEL), SetResize(1, 0), SetScrollbar(WID_JS_SCROLLBAR), EndContainer(),
    02153     NWidget(NWID_VERTICAL),
    02154       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_JS_SCROLLBAR),
    02155       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
    02156     EndContainer(),
    02157   EndContainer(),
    02158 };
    02159
    02164 template <class T>
    02165 struct SelectStationWindow : Window {
    02166   CommandContainer select_station_cmd;
    02167   TileArea area;
    02168   Scrollbar *vscroll;
    02169
    02170   SelectStationWindow(const WindowDesc *desc, CommandContainer cmd, TileArea ta) :
    02171     Window(),
    02172     select_station_cmd(cmd),
    02173     area(ta)
    02174   {
    02175     this->CreateNestedTree(desc);
    02176     this->vscroll = this->GetScrollbar(WID_JS_SCROLLBAR);
    02177     this->GetWidget<NWidgetCore>(WID_JS_CAPTION)->widget_data = T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_JOIN_WAYPOINT_CAPTION : STR_JOIN_STATION_CAPTION;
    02178     this->FinishInitNested(desc, 0);
    02179     this->OnInvalidateData(0);
    02180   }
    02181
    02182   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    02183   {
    02184     if (widget != WID_JS_PANEL) return;
    02185
    02186     /* Determine the widest string */
    02187     Dimension d = GetStringBoundingBox(T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_JOIN_WAYPOINT_CREATE_SPLITTED_WAYPOINT : STR_JOIN_STATION_CREATE_SPLITTED_STATION);
    02188     for (uint i = 0; i < _stations_nearby_list.Length(); i++) {
    02189       const T *st = T::Get(_stations_nearby_list[i]);
    02190       SetDParam(0, st->index);
    02191       SetDParam(1, st->facilities);
    02192       d = maxdim(d, GetStringBoundingBox(T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_STATION_LIST_WAYPOINT : STR_STATION_LIST_STATION));
    02193     }
    02194
    02195     resize->height = d.height;
    02196     d.height *= 5;
    02197     d.width += WD_FRAMERECT_RIGHT + WD_FRAMERECT_LEFT;
    02198     d.height += WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
    02199     *size = d;
    02200   }
    02201
    02202   virtual void DrawWidget(const Rect &r, int widget) const
    02203   {
    02204     if (widget != WID_JS_PANEL) return;
    02205
    02206     uint y = r.top + WD_FRAMERECT_TOP;
    02207     if (this->vscroll->GetPosition() == 0) {
    02208       DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_JOIN_WAYPOINT_CREATE_SPLITTED_WAYPOINT : STR_JOIN_STATION_CREATE_SPLITTED_STATION);
    02209       y += this->resize.step_height;
    02210     }
    02211
    02212     for (uint i = max<uint>(1, this->vscroll->GetPosition()); i <= _stations_nearby_list.Length(); ++i, y += this->resize.step_height) {
    02213       /* Don't draw anything if it extends past the end of the window. */
    02214       if (i - this->vscroll->GetPosition() >= this->vscroll->GetCapacity()) break;
    02215
    02216       const T *st = T::Get(_stations_nearby_list[i - 1]);
    02217       SetDParam(0, st->index);
    02218       SetDParam(1, st->facilities);
    02219       DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_STATION_LIST_WAYPOINT : STR_STATION_LIST_STATION);
    02220     }
    02221   }
    02222
    02223   virtual void OnClick(Point pt, int widget, int click_count)
    02224   {
    02225     if (widget != WID_JS_PANEL) return;
    02226
    02227     uint st_index = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_JS_PANEL, WD_FRAMERECT_TOP);
    02228     bool distant_join = (st_index > 0);
    02229     if (distant_join) st_index--;
    02230
    02231     if (distant_join && st_index >= _stations_nearby_list.Length()) return;
    02232
    02233     /* Insert station to be joined into stored command */
    02234     SB(this->select_station_cmd.p2, 16, 16,
    02235        (distant_join ? _stations_nearby_list[st_index] : NEW_STATION));
    02236
    02237     /* Execute stored Command */
    02238     DoCommandP(&this->select_station_cmd);
    02239
    02240     /* Close Window; this might cause double frees! */
    02241     DeleteWindowById(WC_SELECT_STATION, 0);
    02242   }
    02243
    02244   virtual void OnTick()
    02245   {
    02246     if (_thd.dirty & 2) {
    02247       _thd.dirty &= ~2;
    02248       this->SetDirty();
    02249     }
    02250   }
    02251
    02252   virtual void OnResize()
    02253   {
    02254     this->vscroll->SetCapacityFromWidget(this, WID_JS_PANEL, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
    02255   }
    02256
    02262   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    02263   {
    02264     if (!gui_scope) return;
    02265     FindStationsNearby<T>(this->area, true);
    02266     this->vscroll->SetCount(_stations_nearby_list.Length() + 1);
    02267     this->SetDirty();
    02268   }
    02269 };
    02270
    02271 static const WindowDesc _select_station_desc(
    02272   WDP_AUTO, 200, 180,
    02273   WC_SELECT_STATION, WC_NONE,
    02274   WDF_CONSTRUCTION,
    02275   _nested_select_station_widgets, lengthof(_nested_select_station_widgets)
    02276 );
    02277
    02278
    02286 template <class T>
    02287 static bool StationJoinerNeeded(CommandContainer cmd, TileArea ta)
    02288 {
    02289   /* Only show selection if distant join is enabled in the settings */
    02290   if (!_settings_game.station.distant_join_stations) return false;
    02291
    02292   /* If a window is already opened and we didn't ctrl-click,
    02293    * return true (i.e. just flash the old window) */
    02294   Window *selection_window = FindWindowById(WC_SELECT_STATION, 0);
    02295   if (selection_window != NULL) {
    02296     /* Abort current distant-join and start new one */
    02297     delete selection_window;
    02298     UpdateTileSelection();
    02299   }
    02300
    02301   /* only show the popup, if we press ctrl */
    02302   if (!_ctrl_pressed) return false;
    02303
    02304   /* Now check if we could build there */
    02305   if (DoCommand(&cmd, CommandFlagsToDCFlags(GetCommandFlags(cmd.cmd))).Failed()) return false;
    02306
    02307   /* Test for adjacent station or station below selection.
    02308    * If adjacent-stations is disabled and we are building next to a station, do not show the selection window.
    02309    * but join the other station immediately. */
    02310   const T *st = FindStationsNearby<T>(ta, false);
    02311   return st == NULL && (_settings_game.station.adjacent_stations || _stations_nearby_list.Length() == 0);
    02312 }
    02313
    02320 template <class T>
    02321 void ShowSelectBaseStationIfNeeded(CommandContainer cmd, TileArea ta)
    02322 {
    02323   if (StationJoinerNeeded<T>(cmd, ta)) {
    02324     if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
    02325     new SelectStationWindow<T>(&_select_station_desc, cmd, ta);
    02326   } else {
    02327     DoCommandP(&cmd);
    02328   }
    02329 }
    02330
    02336 void ShowSelectStationIfNeeded(CommandContainer cmd, TileArea ta)
    02337 {
    02338   ShowSelectBaseStationIfNeeded<Station>(cmd, ta);
    02339 }
    02340
    02346 void ShowSelectWaypointIfNeeded(CommandContainer cmd, TileArea ta)
    02347 {
    02348   ShowSelectBaseStationIfNeeded<Waypoint>(cmd, ta);
    02349 }