# 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 CargoDataEntry::CargoDataEntry() :
    00798   parent(NULL),
    00799   station(INVALID_STATION),
    00800   num_children(0),
    00801   count(0),
    00802   children(new CargoDataSet(CargoSorter(ST_CARGO_ID)))
    00803 {}
    00804
    00805 CargoDataEntry::CargoDataEntry(CargoID cargo, uint count, CargoDataEntry *parent) :
    00806   parent(parent),
    00807   cargo(cargo),
    00808   num_children(0),
    00809   count(count),
    00810   children(new CargoDataSet)
    00811 {}
    00812
    00813 CargoDataEntry::CargoDataEntry(StationID station, uint count, CargoDataEntry *parent) :
    00814   parent(parent),
    00815   station(station),
    00816   num_children(0),
    00817   count(count),
    00818   children(new CargoDataSet)
    00819 {}
    00820
    00821 CargoDataEntry::CargoDataEntry(StationID station) :
    00822   parent(NULL),
    00823   station(station),
    00824   num_children(0),
    00825   count(0),
    00826   children(NULL)
    00827 {}
    00828
    00829 CargoDataEntry::CargoDataEntry(CargoID cargo) :
    00830   parent(NULL),
    00831   cargo(cargo),
    00832   num_children(0),
    00833   count(0),
    00834   children(NULL)
    00835 {}
    00836
    00837 CargoDataEntry::~CargoDataEntry()
    00838 {
    00839   this->Clear();
    00840   delete this->children;
    00841 }
    00842
    00846 void CargoDataEntry::Clear()
    00847 {
    00848   if (this->children != NULL) {
    00849     for (CargoDataSet::iterator i = this->children->begin(); i != this->children->end(); ++i) {
    00850       assert(*i != this);
    00851       delete *i;
    00852     }
    00853     this->children->clear();
    00854   }
    00855   if (this->parent != NULL) this->parent->count -= this->count;
    00856   this->count = 0;
    00857   this->num_children = 0;
    00858 }
    00859
    00866 void CargoDataEntry::Remove(CargoDataEntry *child)
    00867 {
    00868   CargoDataSet::iterator i = this->children->find(child);
    00869   if (i != this->children->end()) {
    00870     delete *i;
    00871     this->children->erase(i);
    00872   }
    00873 }
    00874
    00881 template<class ID>
    00882 CargoDataEntry *CargoDataEntry::InsertOrRetrieve(ID child_id)
    00883 {
    00884   CargoDataEntry tmp(child_id);
    00885   CargoDataSet::iterator i = this->children->find(&tmp);
    00886   if (i == this->children->end()) {
    00887     IncrementSize();
    00888     return *(this->children->insert(new CargoDataEntry(child_id, 0, this)).first);
    00889   } else {
    00890     CargoDataEntry *ret = *i;
    00891     assert(this->children->value_comp().GetSortType() != ST_COUNT);
    00892     return ret;
    00893   }
    00894 }
    00895
    00901 void CargoDataEntry::Update(uint count)
    00902 {
    00903   this->count += count;
    00904   if (this->parent != NULL) this->parent->Update(count);
    00905 }
    00906
    00910 void CargoDataEntry::IncrementSize()
    00911 {
    00912    ++this->num_children;
    00913    if (this->parent != NULL) this->parent->IncrementSize();
    00914 }
    00915
    00916 void CargoDataEntry::Resort(CargoSortType type, SortOrder order)
    00917 {
    00918   CargoDataSet *new_subs = new CargoDataSet(this->children->begin(), this->children->end(), CargoSorter(type, order));
    00919   delete this->children;
    00920   this->children = new_subs;
    00921 }
    00922
    00923 CargoDataEntry *CargoDataEntry::Retrieve(CargoDataSet::iterator i) const
    00924 {
    00925   if (i == this->children->end()) {
    00926     return NULL;
    00927   } else {
    00928     assert(this->children->value_comp().GetSortType() != ST_COUNT);
    00929     return *i;
    00930   }
    00931 }
    00932
    00933 bool CargoSorter::operator()(const CargoDataEntry *cd1, const CargoDataEntry *cd2) const
    00934 {
    00935   switch (this->type) {
    00936     case ST_STATION_ID:
    00937       return this->SortId<StationID>(cd1->GetStation(), cd2->GetStation());
    00938       break;
    00939     case ST_CARGO_ID:
    00940       return this->SortId<CargoID>(cd1->GetCargo(), cd2->GetCargo());
    00941       break;
    00942     case ST_COUNT:
    00943       return this->SortCount(cd1, cd2);
    00944       break;
    00945     case ST_STATION_STRING:
    00946       return this->SortStation(cd1->GetStation(), cd2->GetStation());
    00947       break;
    00948     default:
    00949       NOT_REACHED();
    00950   }
    00951 }
    00952
    00953 template<class ID>
    00954 bool CargoSorter::SortId(ID st1, ID st2) const
    00955 {
    00956   return (this->order == SO_ASCENDING) ? st1 < st2 : st2 < st1;
    00957 }
    00958
    00959 bool CargoSorter::SortCount(const CargoDataEntry *cd1, const CargoDataEntry *cd2) const
    00960 {
    00961   uint c1 = cd1->GetCount();
    00962   uint c2 = cd2->GetCount();
    00963   if (c1 == c2) {
    00964     return this->SortStation(cd1->GetStation(), cd2->GetStation());
    00965   } else if (this->order == SO_ASCENDING) {
    00966     return c1 < c2;
    00967   } else {
    00968     return c2 < c1;
    00969   }
    00970 }
    00971
    00972 bool CargoSorter::SortStation(StationID st1, StationID st2) const
    00973 {
    00974   static char buf1[MAX_LENGTH_STATION_NAME_CHARS];
    00975   static char buf2[MAX_LENGTH_STATION_NAME_CHARS];
    00976
    00977   if (!Station::IsValidID(st1)) {
    00978     return Station::IsValidID(st2) ? this->order == SO_ASCENDING : this->SortId(st1, st2);
    00979   } else if (!Station::IsValidID(st2)) {
    00980     return order == SO_DESCENDING;
    00981   }
    00982
    00983   SetDParam(0, st1);
    00984   GetString(buf1, STR_STATION_NAME, lastof(buf1));
    00985   SetDParam(0, st2);
    00986   GetString(buf2, STR_STATION_NAME, lastof(buf2));
    00987
    00988   int res = strcmp(buf1, buf2);
    00989   if (res == 0) {
    00990     return this->SortId(st1, st2);
    00991   } else {
    00992     return (this->order == SO_ASCENDING) ? res < 0 : res > 0;
    00993   }
    00994 }
    00995
    00999 struct StationViewWindow : public Window {
    01003   struct RowDisplay {
    01004     RowDisplay(CargoDataEntry *f, StationID n) : filter(f), next_station(n) {}
    01005     RowDisplay(CargoDataEntry *f, CargoID n) : filter(f), next_cargo(n) {}
    01006
    01010     CargoDataEntry *filter;
    01011     union {
    01015       StationID next_station;
    01016
    01020       CargoID next_cargo;
    01021     };
    01022   };
    01023
    01024   typedef std::vector<RowDisplay> CargoDataVector;
    01025
    01026   static const int NUM_COLUMNS = 4;
    01027
    01031   enum Invalidation {
    01032     INV_FLOWS = 0x100,
    01033     INV_CARGO = 0x200
    01034   };
    01035
    01039   enum Grouping {
    01040     GR_SOURCE,
    01041     GR_NEXT,
    01042     GR_DESTINATION,
    01043     GR_CARGO,
    01044   };
    01045
    01049   enum Mode {
    01050     MODE_WAITING,
    01051     MODE_PLANNED
    01052   };
    01053
    01054   uint expand_shrink_width;
    01055   int rating_lines;
    01056   int accepts_lines;
    01057   Scrollbar *vscroll;
    01058
    01060   enum AcceptListHeight {
    01061     ALH_RATING  = 13,
    01062     ALH_ACCEPTS = 3,
    01063   };
    01064
    01065   static const StringID _sort_names[];
    01066   static const StringID _group_names[];
    01067
    01074   CargoSortType sortings[NUM_COLUMNS];
    01075
    01077   SortOrder sort_orders[NUM_COLUMNS];
    01078
    01079   int scroll_to_row;
    01080   int grouping_index;
    01081   Mode current_mode;
    01082   Grouping groupings[NUM_COLUMNS];
    01083
    01084   CargoDataEntry expanded_rows;
    01085   CargoDataEntry cached_destinations;
    01086   CargoDataVector displayed_rows;
    01087
    01088   StationViewWindow(const WindowDesc *desc, WindowNumber window_number) : Window(),
    01089     scroll_to_row(INT_MAX), grouping_index(0)
    01090   {
    01091     this->rating_lines  = ALH_RATING;
    01092     this->accepts_lines = ALH_ACCEPTS;
    01093
    01094     this->CreateNestedTree(desc);
    01095     this->vscroll = this->GetScrollbar(WID_SV_SCROLLBAR);
    01096     /* Nested widget tree creation is done in two steps to ensure that this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS) exists in UpdateWidgetSize(). */
    01097     this->FinishInitNested(desc, window_number);
    01098
    01099     this->groupings[0] = GR_CARGO;
    01100     this->sortings[0] = ST_AS_GROUPING;
    01101     this->SelectGroupBy(_settings_client.gui.station_gui_group_order);
    01102     this->SelectSortBy(_settings_client.gui.station_gui_sort_by);
    01103     this->sort_orders[0] = SO_ASCENDING;
    01104     this->SelectSortOrder((SortOrder)_settings_client.gui.station_gui_sort_order);
    01105     Owner owner = Station::Get(window_number)->owner;
    01106     if (owner != OWNER_NONE) this->owner = owner;
    01107   }
    01108
    01109   ~StationViewWindow()
    01110   {
    01111     Owner owner = Station::Get(this->window_number)->owner;
    01112     DeleteWindowById(WC_TRAINS_LIST,   VehicleListIdentifier(VL_STATION_LIST, VEH_TRAIN,    owner, this->window_number).Pack(), false);
    01113     DeleteWindowById(WC_ROADVEH_LIST,  VehicleListIdentifier(VL_STATION_LIST, VEH_ROAD,     owner, this->window_number).Pack(), false);
    01114     DeleteWindowById(WC_SHIPS_LIST,    VehicleListIdentifier(VL_STATION_LIST, VEH_SHIP,     owner, this->window_number).Pack(), false);
    01115     DeleteWindowById(WC_AIRCRAFT_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_AIRCRAFT, owner, this->window_number).Pack(), false);
    01116   }
    01117
    01128   void ShowCargo(CargoDataEntry *data, CargoID cargo, StationID source, StationID next, StationID dest, uint count)
    01129   {
    01130     if (count == 0) return;
    01131     const CargoDataEntry *expand = &this->expanded_rows;
    01132     for (int i = 0; i < NUM_COLUMNS && expand != NULL; ++i) {
    01133       switch (groupings[i]) {
    01134         case GR_CARGO:
    01135           assert(i == 0);
    01136           data = data->InsertOrRetrieve(cargo);
    01137           expand = expand->Retrieve(cargo);
    01138           break;
    01139         case GR_SOURCE:
    01140           data = data->InsertOrRetrieve(source);
    01141           expand = expand->Retrieve(source);
    01142           break;
    01143         case GR_NEXT:
    01144           data = data->InsertOrRetrieve(next);
    01145           expand = expand->Retrieve(next);
    01146           break;
    01147         case GR_DESTINATION:
    01148           data = data->InsertOrRetrieve(dest);
    01149           expand = expand->Retrieve(dest);
    01150           break;
    01151       }
    01152     }
    01153     data->Update(count);
    01154   }
    01155
    01156   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01157   {
    01158     switch (widget) {
    01159       case WID_SV_WAITING:
    01160         resize->height = FONT_HEIGHT_NORMAL;
    01161         size->height = WD_FRAMERECT_TOP + 4 * resize->height + WD_FRAMERECT_BOTTOM;
    01162         this->expand_shrink_width = max(GetStringBoundingBox("-").width, GetStringBoundingBox("+").width) + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
    01163         break;
    01164
    01165       case WID_SV_ACCEPT_RATING_LIST:
    01166         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;
    01167         break;
    01168
    01169       case WID_SV_CLOSE_AIRPORT:
    01170         if (!(Station::Get(this->window_number)->facilities & FACIL_AIRPORT)) {
    01171           /* Hide 'Close Airport' button if no airport present. */
    01172           size->width = 0;
    01173           resize->width = 0;
    01174           fill->width = 0;
    01175         }
    01176         break;
    01177     }
    01178   }
    01179
    01180   virtual void OnPaint()
    01181   {
    01182     const Station *st = Station::Get(this->window_number);
    01183     CargoDataEntry cargo;
    01184     BuildCargoList(&cargo, st);
    01185
    01186     this->vscroll->SetCount(cargo.GetNumChildren()); // update scrollbar
    01187
    01188     /* disable some buttons */
    01189     this->SetWidgetDisabledState(WID_SV_RENAME,   st->owner != _local_company);
    01190     this->SetWidgetDisabledState(WID_SV_TRAINS,   !(st->facilities & FACIL_TRAIN));
    01191     this->SetWidgetDisabledState(WID_SV_ROADVEHS, !(st->facilities & FACIL_TRUCK_STOP) && !(st->facilities & FACIL_BUS_STOP));
    01192     this->SetWidgetDisabledState(WID_SV_SHIPS,    !(st->facilities & FACIL_DOCK));
    01193     this->SetWidgetDisabledState(WID_SV_PLANES,   !(st->facilities & FACIL_AIRPORT));
    01194     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
    01195     this->SetWidgetLoweredState(WID_SV_CLOSE_AIRPORT, (st->facilities & FACIL_AIRPORT) && (st->airport.flags & AIRPORT_CLOSED_block) != 0);
    01196
    01197     SetDParam(0, st->index);
    01198     SetDParam(1, st->facilities);
    01199     this->DrawWidgets();
    01200
    01201     if (!this->IsShaded()) {
    01202       /* Draw 'accepted cargo' or 'cargo ratings'. */
    01203       const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SV_ACCEPT_RATING_LIST);
    01204       const Rect r = {wid->pos_x, wid->pos_y, wid->pos_x + wid->current_x - 1, wid->pos_y + wid->current_y - 1};
    01205       if (this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) {
    01206         int lines = this->DrawAcceptedCargo(r);
    01207         if (lines > this->accepts_lines) { // Resize the widget, and perform re-initialization of the window.
    01208           this->accepts_lines = lines;
    01209           this->ReInit();
    01210           return;
    01211         }
    01212       } else {
    01213         int lines = this->DrawCargoRatings(r);
    01214         if (lines > this->rating_lines) { // Resize the widget, and perform re-initialization of the window.
    01215           this->rating_lines = lines;
    01216           this->ReInit();
    01217           return;
    01218         }
    01219       }
    01220
    01221       /* draw arrow pointing up/down for ascending/descending sorting */
    01222       this->DrawSortButtonState(WID_SV_SORT_ORDER, sort_orders[1] == SO_ASCENDING ? SBS_UP : SBS_DOWN);
    01223
    01224       int pos = this->vscroll->GetPosition();
    01225
    01226       int maxrows = this->vscroll->GetCapacity();
    01227
    01228       displayed_rows.clear();
    01229
    01230       /* Draw waiting cargo. */
    01231       NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_SV_WAITING);
    01232       Rect waiting_rect = {nwi->pos_x, nwi->pos_y, nwi->pos_x + nwi->current_x - 1, nwi->pos_y + nwi->current_y - 1};
    01233       this->DrawEntries(&cargo, waiting_rect, pos, maxrows, 0);
    01234       scroll_to_row = INT_MAX;
    01235     }
    01236   }
    01237
    01238   virtual void SetStringParameters(int widget) const
    01239   {
    01240     if (widget == WID_SV_CAPTION) {
    01241       const Station *st = Station::Get(this->window_number);
    01242       SetDParam(0, st->index);
    01243       SetDParam(1, st->facilities);
    01244     }
    01245   }
    01246
    01252   void RecalcDestinations(CargoID i)
    01253   {
    01254     const Station *st = Station::Get(this->window_number);
    01255     CargoDataEntry *cargo_entry = cached_destinations.InsertOrRetrieve(i);
    01256     cargo_entry->Clear();
    01257
    01258     const FlowStatMap &flows = st->goods[i].flows;
    01259     for (FlowStatMap::const_iterator it = flows.begin(); it != flows.end(); ++it) {
    01260       StationID from = it->first;
    01261       CargoDataEntry *source_entry = cargo_entry->InsertOrRetrieve(from);
    01262       const FlowStat::SharesMap *shares = it->second.GetShares();
    01263       uint32 prev_count = 0;
    01264       for (FlowStat::SharesMap::const_iterator flow_it = shares->begin(); flow_it != shares->end(); ++flow_it) {
    01265         StationID via = flow_it->second;
    01266         CargoDataEntry *via_entry = source_entry->InsertOrRetrieve(via);
    01267         if (via == this->window_number) {
    01268           via_entry->InsertOrRetrieve(via)->Update(flow_it->first - prev_count);
    01269         } else {
    01270           EstimateDestinations(i, from, via, flow_it->first - prev_count, via_entry);
    01271         }
    01272         prev_count = flow_it->first;
    01273       }
    01274     }
    01275   }
    01276
    01286   void EstimateDestinations(CargoID cargo, StationID source, StationID next, uint count, CargoDataEntry *dest)
    01287   {
    01288     if (Station::IsValidID(next) && Station::IsValidID(source)) {
    01289       CargoDataEntry tmp;
    01290       const FlowStatMap &flowmap = Station::Get(next)->goods[cargo].flows;
    01291       FlowStatMap::const_iterator map_it = flowmap.find(source);
    01292       if (map_it != flowmap.end()) {
    01293         const FlowStat::SharesMap *shares = map_it->second.GetShares();
    01294         uint32 prev_count = 0;
    01295         for (FlowStat::SharesMap::const_iterator i = shares->begin(); i != shares->end(); ++i) {
    01296           tmp.InsertOrRetrieve(i->second)->Update(i->first - prev_count);
    01297           prev_count = i->first;
    01298         }
    01299       }
    01300
    01301       if (tmp.GetCount() == 0) {
    01302         dest->InsertOrRetrieve(INVALID_STATION)->Update(count);
    01303       } else {
    01304         uint sum_estimated = 0;
    01305         while (sum_estimated < count) {
    01306           for (CargoDataSet::iterator i = tmp.Begin(); i != tmp.End() && sum_estimated < count; ++i) {
    01307             CargoDataEntry *child = *i;
    01308             uint estimate = DivideApprox(child->GetCount() * count, tmp.GetCount());
    01309             if (estimate == 0) estimate = 1;
    01310
    01311             sum_estimated += estimate;
    01312             if (sum_estimated > count) {
    01313               estimate -= sum_estimated - count;
    01314               sum_estimated = count;
    01315             }
    01316
    01317             if (estimate > 0) {
    01318               if (child->GetStation() == next) {
    01319                 dest->InsertOrRetrieve(next)->Update(estimate);
    01320               } else {
    01321                 EstimateDestinations(cargo, source, child->GetStation(), estimate, dest);
    01322               }
    01323             }
    01324           }
    01325
    01326         }
    01327       }
    01328     } else {
    01329       dest->InsertOrRetrieve(INVALID_STATION)->Update(count);
    01330     }
    01331   }
    01332
    01339   void BuildFlowList(CargoID i, const FlowStatMap &flows, CargoDataEntry *cargo)
    01340   {
    01341     const CargoDataEntry *source_dest = this->cached_destinations.Retrieve(i);
    01342     for (FlowStatMap::const_iterator it = flows.begin(); it != flows.end(); ++it) {
    01343       StationID from = it->first;
    01344       const CargoDataEntry *source_entry = source_dest->Retrieve(from);
    01345       const FlowStat::SharesMap *shares = it->second.GetShares();
    01346       for (FlowStat::SharesMap::const_iterator flow_it = shares->begin(); flow_it != shares->end(); ++flow_it) {
    01347         const CargoDataEntry *via_entry = source_entry->Retrieve(flow_it->second);
    01348         for (CargoDataSet::iterator dest_it = via_entry->Begin(); dest_it != via_entry->End(); ++dest_it) {
    01349           CargoDataEntry *dest_entry = *dest_it;
    01350           ShowCargo(cargo, i, from, flow_it->second, dest_entry->GetStation(), dest_entry->GetCount());
    01351         }
    01352       }
    01353     }
    01354   }
    01355
    01362   void BuildCargoList(CargoID i, const StationCargoList &packets, CargoDataEntry *cargo)
    01363   {
    01364     const CargoDataEntry *source_dest = this->cached_destinations.Retrieve(i);
    01365     for (StationCargoList::ConstIterator it = packets.Packets()->begin(); it != packets.Packets()->end(); it++) {
    01366       const CargoPacket *cp = *it;
    01367       StationID next = it.GetKey();
    01368
    01369       const CargoDataEntry *source_entry = source_dest->Retrieve(cp->SourceStation());
    01370       if (source_entry == NULL) {
    01371         ShowCargo(cargo, i, cp->SourceStation(), next, INVALID_STATION, cp->Count());
    01372         continue;
    01373       }
    01374
    01375       const CargoDataEntry *via_entry = source_entry->Retrieve(next);
    01376       if (via_entry == NULL) {
    01377         ShowCargo(cargo, i, cp->SourceStation(), next, INVALID_STATION, cp->Count());
    01378         continue;
    01379       }
    01380
    01381       for (CargoDataSet::iterator dest_it = via_entry->Begin(); dest_it != via_entry->End(); ++dest_it) {
    01382         CargoDataEntry *dest_entry = *dest_it;
    01383         uint val = DivideApprox(cp->Count() * dest_entry->GetCount(), via_entry->GetCount());
    01384         ShowCargo(cargo, i, cp->SourceStation(), next, dest_entry->GetStation(), val);
    01385       }
    01386     }
    01387   }
    01388
    01394   void BuildCargoList(CargoDataEntry *cargo, const Station *st)
    01395   {
    01396     for (CargoID i = 0; i < NUM_CARGO; i++) {
    01397
    01398       if (this->cached_destinations.Retrieve(i) == NULL) {
    01399         this->RecalcDestinations(i);
    01400       }
    01401
    01402       if (this->current_mode == MODE_WAITING) {
    01403         this->BuildCargoList(i, st->goods[i].cargo, cargo);
    01404       } else {
    01405         this->BuildFlowList(i, st->goods[i].flows, cargo);
    01406       }
    01407     }
    01408   }
    01409
    01414   void SetDisplayedRow(const CargoDataEntry *data)
    01415   {
    01416     std::list<StationID> stations;
    01417     const CargoDataEntry *parent = data->GetParent();
    01418     if (parent->GetParent() == NULL) {
    01419       this->displayed_rows.push_back(RowDisplay(&this->expanded_rows, data->GetCargo()));
    01420       return;
    01421     }
    01422
    01423     StationID next = data->GetStation();
    01424     while (parent->GetParent()->GetParent() != NULL) {
    01425       stations.push_back(parent->GetStation());
    01426       parent = parent->GetParent();
    01427     }
    01428
    01429     CargoID cargo = parent->GetCargo();
    01430     CargoDataEntry *filter = this->expanded_rows.Retrieve(cargo);
    01431     while (!stations.empty()) {
    01432       filter = filter->Retrieve(stations.back());
    01433       stations.pop_back();
    01434     }
    01435
    01436     this->displayed_rows.push_back(RowDisplay(filter, next));
    01437   }
    01438
    01447   StringID GetEntryString(StationID station, StringID here, StringID other_station, StringID any)
    01448   {
    01449     if (station == this->window_number) {
    01450       return here;
    01451     } else if (station != INVALID_STATION) {
    01452       SetDParam(2, station);
    01453       return other_station;
    01454     } else {
    01455       return any;
    01456     }
    01457   }
    01458
    01466   StringID SearchNonStop(CargoDataEntry *cd, StationID station, int column)
    01467   {
    01468     CargoDataEntry *parent = cd->GetParent();
    01469     for (int i = column - 1; i > 0; --i) {
    01470       if (this->groupings[i] == GR_DESTINATION) {
    01471         if (parent->GetStation() == station) {
    01472           return STR_STATION_VIEW_NONSTOP;
    01473         } else {
    01474           return STR_STATION_VIEW_VIA;
    01475         }
    01476       }
    01477       parent = parent->GetParent();
    01478     }
    01479
    01480     if (this->groupings[column + 1] == GR_DESTINATION) {
    01481       CargoDataSet::iterator begin = cd->Begin();
    01482       CargoDataSet::iterator end = cd->End();
    01483       if (begin != end && ++(cd->Begin()) == end && (*(begin))->GetStation() == station) {
    01484         return STR_STATION_VIEW_NONSTOP;
    01485       } else {
    01486         return STR_STATION_VIEW_VIA;
    01487       }
    01488     }
    01489
    01490     return STR_STATION_VIEW_VIA;
    01491   }
    01492
    01503   int DrawEntries(CargoDataEntry *entry, Rect &r, int pos, int maxrows, int column, CargoID cargo = CT_INVALID)
    01504   {
    01505     if (this->sortings[column] == ST_AS_GROUPING) {
    01506       if (this->groupings[column] != GR_CARGO) {
    01507         entry->Resort(ST_STATION_STRING, this->sort_orders[column]);
    01508       }
    01509     } else {
    01510       entry->Resort(ST_COUNT, this->sort_orders[column]);
    01511     }
    01512     for (CargoDataSet::iterator i = entry->Begin(); i != entry->End(); ++i) {
    01513       CargoDataEntry *cd = *i;
    01514
    01515       if (this->groupings[column] == GR_CARGO) cargo = cd->GetCargo();
    01516
    01517       if (pos > -maxrows && pos <= 0) {
    01518         StringID str = STR_EMPTY;
    01519         int y = r.top + WD_FRAMERECT_TOP - pos * FONT_HEIGHT_NORMAL;
    01520         SetDParam(0, cargo);
    01521         SetDParam(1, cd->GetCount());
    01522
    01523         if (this->groupings[column] == GR_CARGO) {
    01524           str = STR_STATION_VIEW_WAITING_CARGO;
    01525           DrawCargoIcons(cd->GetCargo(), cd->GetCount(), r.left + WD_FRAMERECT_LEFT + this->expand_shrink_width, r.right - WD_FRAMERECT_RIGHT - this->expand_shrink_width, y);
    01526         } else {
    01527           StationID station = cd->GetStation();
    01528
    01529           switch (this->groupings[column]) {
    01530             case GR_SOURCE:
    01531               str = this->GetEntryString(station, STR_STATION_VIEW_FROM_HERE, STR_STATION_VIEW_FROM, STR_STATION_VIEW_FROM_ANY);
    01532               break;
    01533             case GR_NEXT:
    01534               str = this->GetEntryString(station, STR_STATION_VIEW_VIA_HERE, STR_STATION_VIEW_VIA, STR_STATION_VIEW_VIA_ANY);
    01535               if (str == STR_STATION_VIEW_VIA) str = SearchNonStop(cd, station, column);
    01536               break;
    01537             case GR_DESTINATION:
    01538               str = this->GetEntryString(station, STR_STATION_VIEW_TO_HERE, STR_STATION_VIEW_TO, STR_STATION_VIEW_TO_ANY);
    01539               break;
    01540             default:
    01541               NOT_REACHED();
    01542           }
    01543           if (pos == -this->scroll_to_row && Station::IsValidID(station)) {
    01544             ScrollMainWindowToTile(Station::Get(station)->xy);
    01545           }
    01546         }
    01547
    01548         bool rtl = _current_text_dir == TD_RTL;
    01549         int text_left    = rtl ? r.left + this->expand_shrink_width : r.left + WD_FRAMERECT_LEFT + column * this->expand_shrink_width;
    01550         int text_right   = rtl ? r.right - WD_FRAMERECT_LEFT - column * this->expand_shrink_width : r.right - this->expand_shrink_width;
    01551         int shrink_left  = rtl ? r.left + WD_FRAMERECT_LEFT : r.right - this->expand_shrink_width + WD_FRAMERECT_LEFT;
    01552         int shrink_right = rtl ? r.left + this->expand_shrink_width - WD_FRAMERECT_RIGHT : r.right - WD_FRAMERECT_RIGHT;
    01553
    01554         DrawString(text_left, text_right, y, str);
    01555
    01556         if (column < NUM_COLUMNS - 1) {
    01557           const char *sym = cd->GetNumChildren() > 0 ? "-" : "+";
    01558           DrawString(shrink_left, shrink_right, y, sym, TC_YELLOW);
    01559         }
    01560         SetDisplayedRow(cd);
    01561       }
    01562       pos = DrawEntries(cd, r, --pos, maxrows, column + 1, cargo);
    01563     }
    01564     return pos;
    01565   }
    01566
    01572   int DrawAcceptedCargo(const Rect &r) const
    01573   {
    01574     const Station *st = Station::Get(this->window_number);
    01575
    01576     uint32 cargo_mask = 0;
    01577     for (CargoID i = 0; i < NUM_CARGO; i++) {
    01578       if (HasBit(st->goods[i].acceptance_pickup, GoodsEntry::GES_ACCEPTANCE)) SetBit(cargo_mask, i);
    01579     }
    01580     SetDParam(0, cargo_mask);
    01581     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);
    01582     return CeilDiv(bottom - r.top - WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL);
    01583   }
    01584
    01590   int DrawCargoRatings(const Rect &r) const
    01591   {
    01592     const Station *st = Station::Get(this->window_number);
    01593     int y = r.top + WD_FRAMERECT_TOP;
    01594
    01595     if (st->town->exclusive_counter > 0) {
    01596       SetDParam(0, st->town->exclusivity);
    01597       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);
    01598       y += WD_PAR_VSEP_WIDE;
    01599     }
    01600
    01601     DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_VIEW_CARGO_RATINGS_TITLE);
    01602     y += FONT_HEIGHT_NORMAL;
    01603
    01604     const CargoSpec *cs;
    01605     FOR_ALL_SORTED_STANDARD_CARGOSPECS(cs) {
    01606       const GoodsEntry *ge = &st->goods[cs->Index()];
    01607       if (!HasBit(ge->acceptance_pickup, GoodsEntry::GES_PICKUP)) continue;
    01608
    01609       SetDParam(0, cs->name);
    01610       SetDParam(1, ge->supply);
    01611       SetDParam(3, ToPercent8(ge->rating));
    01612       SetDParam(2, STR_CARGO_RATING_APPALLING + (ge->rating >> 5));
    01613       DrawString(r.left + WD_FRAMERECT_LEFT + 6, r.right - WD_FRAMERECT_RIGHT - 6, y, STR_STATION_VIEW_CARGO_SUPPLY_RATING);
    01614       y += FONT_HEIGHT_NORMAL;
    01615     }
    01616     return CeilDiv(y - r.top - WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL);
    01617   }
    01618
    01624   template<class ID>
    01625   void HandleCargoWaitingClick(CargoDataEntry *filter, ID next)
    01626   {
    01627     if (filter->Retrieve(next) != NULL) {
    01628       filter->Remove(next);
    01629     } else {
    01630       filter->InsertOrRetrieve(next);
    01631     }
    01632   }
    01633
    01638   void HandleCargoWaitingClick(int row)
    01639   {
    01640     if (row < 0 || (uint)row >= this->displayed_rows.size()) return;
    01641     if (_ctrl_pressed) {
    01642       this->scroll_to_row = row;
    01643     } else {
    01644       RowDisplay &display = this->displayed_rows[row];
    01645       if (display.filter == &this->expanded_rows) {
    01646         this->HandleCargoWaitingClick<CargoID>(display.filter, display.next_cargo);
    01647       } else {
    01648         this->HandleCargoWaitingClick<StationID>(display.filter, display.next_station);
    01649       }
    01650     }
    01651     this->SetWidgetDirty(WID_SV_WAITING);
    01652   }
    01653
    01654   virtual void OnClick(Point pt, int widget, int click_count)
    01655   {
    01656     switch (widget) {
    01657       case WID_SV_WAITING:
    01658         this->HandleCargoWaitingClick(this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_SV_WAITING, WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL) - this->vscroll->GetPosition());
    01659         break;
    01660
    01661       case WID_SV_LOCATION:
    01662         if (_ctrl_pressed) {
    01663           ShowExtraViewPortWindow(Station::Get(this->window_number)->xy);
    01664         } else {
    01665           ScrollMainWindowToTile(Station::Get(this->window_number)->xy);
    01666         }
    01667         break;
    01668
    01669       case WID_SV_ACCEPTS_RATINGS: {
    01670         /* Swap between 'accepts' and 'ratings' view. */
    01671         int height_change;
    01672         NWidgetCore *nwi = this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS);
    01673         if (this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) {
    01674           nwi->SetDataTip(STR_STATION_VIEW_ACCEPTS_BUTTON, STR_STATION_VIEW_ACCEPTS_TOOLTIP); // Switch to accepts view.
    01675           height_change = this->rating_lines - this->accepts_lines;
    01676         } else {
    01677           nwi->SetDataTip(STR_STATION_VIEW_RATINGS_BUTTON, STR_STATION_VIEW_RATINGS_TOOLTIP); // Switch to ratings view.
    01678           height_change = this->accepts_lines - this->rating_lines;
    01679         }
    01680         this->ReInit(0, height_change * FONT_HEIGHT_NORMAL);
    01681         break;
    01682       }
    01683
    01684       case WID_SV_RENAME:
    01685         SetDParam(0, this->window_number);
    01686         ShowQueryString(STR_STATION_NAME, STR_STATION_VIEW_RENAME_STATION_CAPTION, MAX_LENGTH_STATION_NAME_CHARS,
    01687             this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT | QSF_LEN_IN_CHARS);
    01688         break;
    01689
    01690       case WID_SV_CLOSE_AIRPORT:
    01691         DoCommandP(0, this->window_number, 0, CMD_OPEN_CLOSE_AIRPORT);
    01692         break;
    01693
    01694       case WID_SV_TRAINS:   // Show list of scheduled trains to this station
    01695       case WID_SV_ROADVEHS: // Show list of scheduled road-vehicles to this station
    01696       case WID_SV_SHIPS:    // Show list of scheduled ships to this station
    01697       case WID_SV_PLANES: { // Show list of scheduled aircraft to this station
    01698         Owner owner = Station::Get(this->window_number)->owner;
    01699         ShowVehicleListWindow(owner, (VehicleType)(widget - WID_SV_TRAINS), (StationID)this->window_number);
    01700         break;
    01701       }
    01702
    01703       case WID_SV_SORT_BY: {
    01704         ShowDropDownMenu(this, _sort_names, this->current_mode, WID_SV_SORT_BY, 0, 0);
    01705         break;
    01706       }
    01707
    01708       case WID_SV_GROUP_BY: {
    01709         ShowDropDownMenu(this, _group_names, this->grouping_index, WID_SV_GROUP_BY, 0, 0);
    01710         break;
    01711       }
    01712
    01713       case WID_SV_SORT_ORDER: { // flip sorting method asc/desc
    01714         this->SelectSortOrder(this->sort_orders[1] == SO_ASCENDING ? SO_DESCENDING : SO_ASCENDING);
    01715         this->SetTimeout();
    01716         this->LowerWidget(WID_SV_SORT_ORDER);
    01717         break;
    01718       }
    01719     }
    01720   }
    01721
    01726   void SelectSortOrder(SortOrder order)
    01727   {
    01728     this->sort_orders[1] = this->sort_orders[2] = this->sort_orders[3] = order;
    01729     _settings_client.gui.station_gui_sort_order = this->sort_orders[1];
    01730     this->SetDirty();
    01731   }
    01732
    01737   void SelectSortBy(int index)
    01738   {
    01739     _settings_client.gui.station_gui_sort_by = index;
    01740     switch (_sort_names[index]) {
    01741       case STR_STATION_VIEW_WAITING_STATION:
    01742         this->current_mode = MODE_WAITING;
    01743         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_AS_GROUPING;
    01744         break;
    01745       case STR_STATION_VIEW_WAITING_AMOUNT:
    01746         this->current_mode = MODE_WAITING;
    01747         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_COUNT;
    01748         break;
    01749       case STR_STATION_VIEW_PLANNED_STATION:
    01750         this->current_mode = MODE_PLANNED;
    01751         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_AS_GROUPING;
    01752         break;
    01753       case STR_STATION_VIEW_PLANNED_AMOUNT:
    01754         this->current_mode = MODE_PLANNED;
    01755         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_COUNT;
    01756         break;
    01757       default:
    01758         NOT_REACHED();
    01759     }
    01760     /* Display the current sort variant */
    01761     this->GetWidget<NWidgetCore>(WID_SV_SORT_BY)->widget_data = _sort_names[index];
    01762     this->SetDirty();
    01763   }
    01764
    01769   void SelectGroupBy(int index)
    01770   {
    01771     this->grouping_index = index;
    01772     _settings_client.gui.station_gui_group_order = index;
    01773     this->GetWidget<NWidgetCore>(WID_SV_GROUP_BY)->widget_data = _group_names[index];
    01774     switch (_group_names[index]) {
    01775       case STR_STATION_VIEW_GROUP_S_V_D:
    01776         this->groupings[1] = GR_SOURCE;
    01777         this->groupings[2] = GR_NEXT;
    01778         this->groupings[3] = GR_DESTINATION;
    01779         break;
    01780       case STR_STATION_VIEW_GROUP_S_D_V:
    01781         this->groupings[1] = GR_SOURCE;
    01782         this->groupings[2] = GR_DESTINATION;
    01783         this->groupings[3] = GR_NEXT;
    01784         break;
    01785       case STR_STATION_VIEW_GROUP_V_S_D:
    01786         this->groupings[1] = GR_NEXT;
    01787         this->groupings[2] = GR_SOURCE;
    01788         this->groupings[3] = GR_DESTINATION;
    01789         break;
    01790       case STR_STATION_VIEW_GROUP_V_D_S:
    01791         this->groupings[1] = GR_NEXT;
    01792         this->groupings[2] = GR_DESTINATION;
    01793         this->groupings[3] = GR_SOURCE;
    01794         break;
    01795       case STR_STATION_VIEW_GROUP_D_S_V:
    01796         this->groupings[1] = GR_DESTINATION;
    01797         this->groupings[2] = GR_SOURCE;
    01798         this->groupings[3] = GR_NEXT;
    01799         break;
    01800       case STR_STATION_VIEW_GROUP_D_V_S:
    01801         this->groupings[1] = GR_DESTINATION;
    01802         this->groupings[2] = GR_NEXT;
    01803         this->groupings[3] = GR_SOURCE;
    01804         break;
    01805     }
    01806     this->SetDirty();
    01807   }
    01808
    01809   virtual void OnDropdownSelect(int widget, int index)
    01810   {
    01811     if (widget == WID_SV_SORT_BY) {
    01812       this->SelectSortBy(index);
    01813     } else {
    01814       this->SelectGroupBy(index);
    01815     }
    01816   }
    01817
    01818   virtual void OnQueryTextFinished(char *str)
    01819   {
    01820     if (str == NULL) return;
    01821
    01822     DoCommandP(0, this->window_number, 0, CMD_RENAME_STATION | CMD_MSG(STR_ERROR_CAN_T_RENAME_STATION), NULL, str);
    01823   }
    01824
    01825   virtual void OnResize()
    01826   {
    01827     this->vscroll->SetCapacityFromWidget(this, WID_SV_WAITING, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
    01828   }
    01829
    01835   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    01836   {
    01837     if (gui_scope) {
    01838       if (data >= 0 && data < NUM_CARGO) {
    01839         this->cached_destinations.Remove((CargoID)data);
    01840       } else {
    01841         this->ReInit();
    01842       }
    01843     }
    01844   }
    01845 };
    01846
    01847 const StringID StationViewWindow::_sort_names[] = {
    01848   STR_STATION_VIEW_WAITING_STATION,
    01849   STR_STATION_VIEW_WAITING_AMOUNT,
    01850   STR_STATION_VIEW_PLANNED_STATION,
    01851   STR_STATION_VIEW_PLANNED_AMOUNT,
    01852   INVALID_STRING_ID
    01853 };
    01854
    01855 const StringID StationViewWindow::_group_names[] = {
    01856   STR_STATION_VIEW_GROUP_S_V_D,
    01857   STR_STATION_VIEW_GROUP_S_D_V,
    01858   STR_STATION_VIEW_GROUP_V_S_D,
    01859   STR_STATION_VIEW_GROUP_V_D_S,
    01860   STR_STATION_VIEW_GROUP_D_S_V,
    01861   STR_STATION_VIEW_GROUP_D_V_S,
    01862   INVALID_STRING_ID
    01863 };
    01864
    01865 static const WindowDesc _station_view_desc(
    01866   WDP_AUTO, 249, 117,
    01867   WC_STATION_VIEW, WC_NONE,
    01868   0,
    01869   _nested_station_view_widgets, lengthof(_nested_station_view_widgets)
    01870 );
    01871
    01877 void ShowStationViewWindow(StationID station)
    01878 {
    01879   AllocateWindowDescFront<StationViewWindow>(&_station_view_desc, station);
    01880 }
    01881
    01883 struct TileAndStation {
    01884   TileIndex tile;
    01885   StationID station;
    01886 };
    01887
    01888 static SmallVector<TileAndStation, 8> _deleted_stations_nearby;
    01889 static SmallVector<StationID, 8> _stations_nearby_list;
    01890
    01898 template <class T>
    01899 static bool AddNearbyStation(TileIndex tile, void *user_data)
    01900 {
    01901   TileArea *ctx = (TileArea *)user_data;
    01902
    01903   /* First check if there were deleted stations here */
    01904   for (uint i = 0; i < _deleted_stations_nearby.Length(); i++) {
    01905     TileAndStation *ts = _deleted_stations_nearby.Get(i);
    01906     if (ts->tile == tile) {
    01907       *_stations_nearby_list.Append() = _deleted_stations_nearby[i].station;
    01908       _deleted_stations_nearby.Erase(ts);
    01909       i--;
    01910     }
    01911   }
    01912
    01913   /* Check if own station and if we stay within station spread */
    01914   if (!IsTileType(tile, MP_STATION)) return false;
    01915
    01916   StationID sid = GetStationIndex(tile);
    01917
    01918   /* This station is (likely) a waypoint */
    01919   if (!T::IsValidID(sid)) return false;
    01920
    01921   T *st = T::Get(sid);
    01922   if (st->owner != _local_company || _stations_nearby_list.Contains(sid)) return false;
    01923
    01924   if (st->rect.BeforeAddRect(ctx->tile, ctx->w, ctx->h, StationRect::ADD_TEST).Succeeded()) {
    01925     *_stations_nearby_list.Append() = sid;
    01926   }
    01927
    01928   return false; // We want to include *all* nearby stations
    01929 }
    01930
    01940 template <class T>
    01941 static const T *FindStationsNearby(TileArea ta, bool distant_join)
    01942 {
    01943   TileArea ctx = ta;
    01944
    01945   _stations_nearby_list.Clear();
    01946   _deleted_stations_nearby.Clear();
    01947
    01948   /* Check the inside, to return, if we sit on another station */
    01949   TILE_AREA_LOOP(t, ta) {
    01950     if (t < MapSize() && IsTileType(t, MP_STATION) && T::IsValidID(GetStationIndex(t))) return T::GetByTile(t);
    01951   }
    01952
    01953   /* Look for deleted stations */
    01954   const BaseStation *st;
    01955   FOR_ALL_BASE_STATIONS(st) {
    01956     if (T::IsExpected(st) && !st->IsInUse() && st->owner == _local_company) {
    01957       /* Include only within station spread (yes, it is strictly less than) */
    01958       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) {
    01959         TileAndStation *ts = _deleted_stations_nearby.Append();
    01960         ts->tile = st->xy;
    01961         ts->station = st->index;
    01962
    01963         /* Add the station when it's within where we're going to build */
    01964         if (IsInsideBS(TileX(st->xy), TileX(ctx.tile), ctx.w) &&
    01965             IsInsideBS(TileY(st->xy), TileY(ctx.tile), ctx.h)) {
    01966           AddNearbyStation<T>(st->xy, &ctx);
    01967         }
    01968       }
    01969     }
    01970   }
    01971
    01972   /* Only search tiles where we have a chance to stay within the station spread.
    01973    * The complete check needs to be done in the callback as we don't know the
    01974    * extent of the found station, yet. */
    01975   if (distant_join && min(ta.w, ta.h) >= _settings_game.station.station_spread) return NULL;
    01976   uint max_dist = distant_join ? _settings_game.station.station_spread - min(ta.w, ta.h) : 1;
    01977
    01978   TileIndex tile = TILE_ADD(ctx.tile, TileOffsByDir(DIR_N));
    01979   CircularTileSearch(&tile, max_dist, ta.w, ta.h, AddNearbyStation<T>, &ctx);
    01980
    01981   return NULL;
    01982 }
    01983
    01984 static const NWidgetPart _nested_select_station_widgets[] = {
    01985   NWidget(NWID_HORIZONTAL),
    01986     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
    01987     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_JS_CAPTION), SetDataTip(STR_JOIN_STATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    01988   EndContainer(),
    01989   NWidget(NWID_HORIZONTAL),
    01990     NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_JS_PANEL), SetResize(1, 0), SetScrollbar(WID_JS_SCROLLBAR), EndContainer(),
    01991     NWidget(NWID_VERTICAL),
    01992       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_JS_SCROLLBAR),
    01993       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
    01994     EndContainer(),
    01995   EndContainer(),
    01996 };
    01997
    02002 template <class T>
    02003 struct SelectStationWindow : Window {
    02004   CommandContainer select_station_cmd;
    02005   TileArea area;
    02006   Scrollbar *vscroll;
    02007
    02008   SelectStationWindow(const WindowDesc *desc, CommandContainer cmd, TileArea ta) :
    02009     Window(),
    02010     select_station_cmd(cmd),
    02011     area(ta)
    02012   {
    02013     this->CreateNestedTree(desc);
    02014     this->vscroll = this->GetScrollbar(WID_JS_SCROLLBAR);
    02015     this->GetWidget<NWidgetCore>(WID_JS_CAPTION)->widget_data = T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_JOIN_WAYPOINT_CAPTION : STR_JOIN_STATION_CAPTION;
    02016     this->FinishInitNested(desc, 0);
    02017     this->OnInvalidateData(0);
    02018   }
    02019
    02020   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    02021   {
    02022     if (widget != WID_JS_PANEL) return;
    02023
    02024     /* Determine the widest string */
    02025     Dimension d = GetStringBoundingBox(T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_JOIN_WAYPOINT_CREATE_SPLITTED_WAYPOINT : STR_JOIN_STATION_CREATE_SPLITTED_STATION);
    02026     for (uint i = 0; i < _stations_nearby_list.Length(); i++) {
    02027       const T *st = T::Get(_stations_nearby_list[i]);
    02028       SetDParam(0, st->index);
    02029       SetDParam(1, st->facilities);
    02030       d = maxdim(d, GetStringBoundingBox(T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_STATION_LIST_WAYPOINT : STR_STATION_LIST_STATION));
    02031     }
    02032
    02033     resize->height = d.height;
    02034     d.height *= 5;
    02035     d.width += WD_FRAMERECT_RIGHT + WD_FRAMERECT_LEFT;
    02036     d.height += WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
    02037     *size = d;
    02038   }
    02039
    02040   virtual void DrawWidget(const Rect &r, int widget) const
    02041   {
    02042     if (widget != WID_JS_PANEL) return;
    02043
    02044     uint y = r.top + WD_FRAMERECT_TOP;
    02045     if (this->vscroll->GetPosition() == 0) {
    02046       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);
    02047       y += this->resize.step_height;
    02048     }
    02049
    02050     for (uint i = max<uint>(1, this->vscroll->GetPosition()); i <= _stations_nearby_list.Length(); ++i, y += this->resize.step_height) {
    02051       /* Don't draw anything if it extends past the end of the window. */
    02052       if (i - this->vscroll->GetPosition() >= this->vscroll->GetCapacity()) break;
    02053
    02054       const T *st = T::Get(_stations_nearby_list[i - 1]);
    02055       SetDParam(0, st->index);
    02056       SetDParam(1, st->facilities);
    02057       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);
    02058     }
    02059   }
    02060
    02061   virtual void OnClick(Point pt, int widget, int click_count)
    02062   {
    02063     if (widget != WID_JS_PANEL) return;
    02064
    02065     uint st_index = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_JS_PANEL, WD_FRAMERECT_TOP);
    02066     bool distant_join = (st_index > 0);
    02067     if (distant_join) st_index--;
    02068
    02069     if (distant_join && st_index >= _stations_nearby_list.Length()) return;
    02070
    02071     /* Insert station to be joined into stored command */
    02072     SB(this->select_station_cmd.p2, 16, 16,
    02073        (distant_join ? _stations_nearby_list[st_index] : NEW_STATION));
    02074
    02075     /* Execute stored Command */
    02076     DoCommandP(&this->select_station_cmd);
    02077
    02078     /* Close Window; this might cause double frees! */
    02079     DeleteWindowById(WC_SELECT_STATION, 0);
    02080   }
    02081
    02082   virtual void OnTick()
    02083   {
    02084     if (_thd.dirty & 2) {
    02085       _thd.dirty &= ~2;
    02086       this->SetDirty();
    02087     }
    02088   }
    02089
    02090   virtual void OnResize()
    02091   {
    02092     this->vscroll->SetCapacityFromWidget(this, WID_JS_PANEL, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
    02093   }
    02094
    02100   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    02101   {
    02102     if (!gui_scope) return;
    02103     FindStationsNearby<T>(this->area, true);
    02104     this->vscroll->SetCount(_stations_nearby_list.Length() + 1);
    02105     this->SetDirty();
    02106   }
    02107 };
    02108
    02109 static const WindowDesc _select_station_desc(
    02110   WDP_AUTO, 200, 180,
    02111   WC_SELECT_STATION, WC_NONE,
    02112   WDF_CONSTRUCTION,
    02113   _nested_select_station_widgets, lengthof(_nested_select_station_widgets)
    02114 );
    02115
    02116
    02124 template <class T>
    02125 static bool StationJoinerNeeded(CommandContainer cmd, TileArea ta)
    02126 {
    02127   /* Only show selection if distant join is enabled in the settings */
    02128   if (!_settings_game.station.distant_join_stations) return false;
    02129
    02130   /* If a window is already opened and we didn't ctrl-click,
    02131    * return true (i.e. just flash the old window) */
    02132   Window *selection_window = FindWindowById(WC_SELECT_STATION, 0);
    02133   if (selection_window != NULL) {
    02134     /* Abort current distant-join and start new one */
    02135     delete selection_window;
    02136     UpdateTileSelection();
    02137   }
    02138
    02139   /* only show the popup, if we press ctrl */
    02140   if (!_ctrl_pressed) return false;
    02141
    02142   /* Now check if we could build there */
    02143   if (DoCommand(&cmd, CommandFlagsToDCFlags(GetCommandFlags(cmd.cmd))).Failed()) return false;
    02144
    02145   /* Test for adjacent station or station below selection.
    02146    * If adjacent-stations is disabled and we are building next to a station, do not show the selection window.
    02147    * but join the other station immediately. */
    02148   const T *st = FindStationsNearby<T>(ta, false);
    02149   return st == NULL && (_settings_game.station.adjacent_stations || _stations_nearby_list.Length() == 0);
    02150 }
    02151
    02158 template <class T>
    02159 void ShowSelectBaseStationIfNeeded(CommandContainer cmd, TileArea ta)
    02160 {
    02161   if (StationJoinerNeeded<T>(cmd, ta)) {
    02162     if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
    02163     new SelectStationWindow<T>(&_select_station_desc, cmd, ta);
    02164   } else {
    02165     DoCommandP(&cmd);
    02166   }
    02167 }
    02168
    02174 void ShowSelectStationIfNeeded(CommandContainer cmd, TileArea ta)
    02175 {
    02176   ShowSelectBaseStationIfNeeded<Station>(cmd, ta);
    02177 }
    02178
    02184 void ShowSelectWaypointIfNeeded(CommandContainer cmd, TileArea ta)
    02185 {
    02186   ShowSelectBaseStationIfNeeded<Waypoint>(cmd, ta);
    02187 }