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 #include "linkgraph/linkgraph.h"
00034 
00035 #include "widgets/station_widget.h"
00036 
00037 #include "table/strings.h"
00038 
00039 #include <set>
00040 #include <vector>
00041 
00052 int DrawStationCoverageAreaText(int left, int right, int top, StationCoverageType sct, int rad, bool supplies)
00053 {
00054   TileIndex tile = TileVirtXY(_thd.pos.x, _thd.pos.y);
00055   uint32 cargo_mask = 0;
00056   if (_thd.drawstyle == HT_RECT && tile < MapSize()) {
00057     CargoArray cargoes;
00058     if (supplies) {
00059       cargoes = GetProductionAroundTiles(tile, _thd.size.x / TILE_SIZE, _thd.size.y / TILE_SIZE, rad);
00060     } else {
00061       cargoes = GetAcceptanceAroundTiles(tile, _thd.size.x / TILE_SIZE, _thd.size.y / TILE_SIZE, rad);
00062     }
00063 
00064     /* Convert cargo counts to a set of cargo bits, and draw the result. */
00065     for (CargoID i = 0; i < NUM_CARGO; i++) {
00066       switch (sct) {
00067         case SCT_PASSENGERS_ONLY: if (!IsCargoInClass(i, CC_PASSENGERS)) continue; break;
00068         case SCT_NON_PASSENGERS_ONLY: if (IsCargoInClass(i, CC_PASSENGERS)) continue; break;
00069         case SCT_ALL: break;
00070         default: NOT_REACHED();
00071       }
00072       if (cargoes[i] >= (supplies ? 1U : 8U)) SetBit(cargo_mask, i);
00073     }
00074   }
00075   SetDParam(0, cargo_mask);
00076   return DrawStringMultiLine(left, right, top, INT32_MAX, supplies ? STR_STATION_BUILD_SUPPLIES_CARGO : STR_STATION_BUILD_ACCEPTS_CARGO);
00077 }
00078 
00084 void CheckRedrawStationCoverage(const Window *w)
00085 {
00086   if (_thd.dirty & 1) {
00087     _thd.dirty &= ~1;
00088     w->SetDirty();
00089   }
00090 }
00091 
00107 static void StationsWndShowStationRating(int left, int right, int y, CargoID type, uint amount, byte rating)
00108 {
00109   static const uint units_full  = 576; 
00110   static const uint rating_full = 224; 
00111 
00112   const CargoSpec *cs = CargoSpec::Get(type);
00113   if (!cs->IsValid()) return;
00114 
00115   int colour = cs->rating_colour;
00116   TextColour tc = GetContrastColour(colour);
00117   uint w = (minu(amount, units_full) + 5) / 36;
00118 
00119   int height = GetCharacterHeight(FS_SMALL);
00120 
00121   /* Draw total cargo (limited) on station (fits into 16 pixels) */
00122   if (w != 0) GfxFillRect(left, y, left + w - 1, y + height, colour);
00123 
00124   /* Draw a one pixel-wide bar of additional cargo meter, useful
00125    * for stations with only a small amount (<=30) */
00126   if (w == 0) {
00127     uint rest = amount / 5;
00128     if (rest != 0) {
00129       w += left;
00130       GfxFillRect(w, y + height - rest, w, y + height, colour);
00131     }
00132   }
00133 
00134   DrawString(left + 1, right, y, cs->abbrev, tc);
00135 
00136   /* Draw green/red ratings bar (fits into 14 pixels) */
00137   y += height + 2;
00138   GfxFillRect(left + 1, y, left + 14, y, PC_RED);
00139   rating = minu(rating, rating_full) / 16;
00140   if (rating != 0) GfxFillRect(left + 1, y, left + rating, y, PC_GREEN);
00141 }
00142 
00143 typedef GUIList<const Station*> GUIStationList;
00144 
00148 class CompanyStationsWindow : public Window
00149 {
00150 protected:
00151   /* Runtime saved values */
00152   static Listing last_sorting;
00153   static byte facilities;               // types of stations of interest
00154   static bool include_empty;            // whether we should include stations without waiting cargo
00155   static const uint32 cargo_filter_max;
00156   static uint32 cargo_filter;           // bitmap of cargo types to include
00157   static const Station *last_station;
00158 
00159   /* Constants for sorting stations */
00160   static const StringID sorter_names[];
00161   static GUIStationList::SortFunction * const sorter_funcs[];
00162 
00163   GUIStationList stations;
00164   Scrollbar *vscroll;
00165 
00171   void BuildStationsList(const Owner owner)
00172   {
00173     if (!this->stations.NeedRebuild()) return;
00174 
00175     DEBUG(misc, 3, "Building station list for company %d", owner);
00176 
00177     this->stations.Clear();
00178 
00179     const Station *st;
00180     FOR_ALL_STATIONS(st) {
00181       if (st->owner == owner || (st->owner == OWNER_NONE && HasStationInUse(st->index, true, owner))) {
00182         if (this->facilities & st->facilities) { // only stations with selected facilities
00183           int num_waiting_cargo = 0;
00184           for (CargoID j = 0; j < NUM_CARGO; j++) {
00185             if (st->goods[j].HasRating()) {
00186               num_waiting_cargo++; // count number of waiting cargo
00187               if (HasBit(this->cargo_filter, j)) {
00188                 *this->stations.Append() = st;
00189                 break;
00190               }
00191             }
00192           }
00193           /* stations without waiting cargo */
00194           if (num_waiting_cargo == 0 && this->include_empty) {
00195             *this->stations.Append() = st;
00196           }
00197         }
00198       }
00199     }
00200 
00201     this->stations.Compact();
00202     this->stations.RebuildDone();
00203 
00204     this->vscroll->SetCount(this->stations.Length()); // Update the scrollbar
00205   }
00206 
00208   static int CDECL StationNameSorter(const Station * const *a, const Station * const *b)
00209   {
00210     static char buf_cache[64];
00211     char buf[64];
00212 
00213     SetDParam(0, (*a)->index);
00214     GetString(buf, STR_STATION_NAME, lastof(buf));
00215 
00216     if (*b != last_station) {
00217       last_station = *b;
00218       SetDParam(0, (*b)->index);
00219       GetString(buf_cache, STR_STATION_NAME, lastof(buf_cache));
00220     }
00221 
00222     return strcmp(buf, buf_cache);
00223   }
00224 
00226   static int CDECL StationTypeSorter(const Station * const *a, const Station * const *b)
00227   {
00228     return (*a)->facilities - (*b)->facilities;
00229   }
00230 
00232   static int CDECL StationWaitingSorter(const Station * const *a, const Station * const *b)
00233   {
00234     Money diff = 0;
00235 
00236     CargoID j;
00237     FOR_EACH_SET_CARGO_ID(j, cargo_filter) {
00238       if (!(*a)->goods[j].cargo.Empty()) diff += GetTransportedGoodsIncome((*a)->goods[j].cargo.Count(), 20, 50, j);
00239       if (!(*b)->goods[j].cargo.Empty()) diff -= GetTransportedGoodsIncome((*b)->goods[j].cargo.Count(), 20, 50, j);
00240     }
00241 
00242     return ClampToI32(diff);
00243   }
00244 
00246   static int CDECL StationRatingMaxSorter(const Station * const *a, const Station * const *b)
00247   {
00248     byte maxr1 = 0;
00249     byte maxr2 = 0;
00250 
00251     CargoID j;
00252     FOR_EACH_SET_CARGO_ID(j, cargo_filter) {
00253       if ((*a)->goods[j].HasRating()) maxr1 = max(maxr1, (*a)->goods[j].rating);
00254       if ((*b)->goods[j].HasRating()) maxr2 = max(maxr2, (*b)->goods[j].rating);
00255     }
00256 
00257     return maxr1 - maxr2;
00258   }
00259 
00261   static int CDECL StationRatingMinSorter(const Station * const *a, const Station * const *b)
00262   {
00263     byte minr1 = 255;
00264     byte minr2 = 255;
00265 
00266     for (CargoID j = 0; j < NUM_CARGO; j++) {
00267       if (!HasBit(cargo_filter, j)) continue;
00268       if ((*a)->goods[j].HasRating()) minr1 = min(minr1, (*a)->goods[j].rating);
00269       if ((*b)->goods[j].HasRating()) minr2 = min(minr2, (*b)->goods[j].rating);
00270     }
00271 
00272     return -(minr1 - minr2);
00273   }
00274 
00276   void SortStationsList()
00277   {
00278     if (!this->stations.Sort()) return;
00279 
00280     /* Reset name sorter sort cache */
00281     this->last_station = NULL;
00282 
00283     /* Set the modified widget dirty */
00284     this->SetWidgetDirty(WID_STL_LIST);
00285   }
00286 
00287 public:
00288   CompanyStationsWindow(const WindowDesc *desc, WindowNumber window_number) : Window()
00289   {
00290     this->stations.SetListing(this->last_sorting);
00291     this->stations.SetSortFuncs(this->sorter_funcs);
00292     this->stations.ForceRebuild();
00293     this->stations.NeedResort();
00294     this->SortStationsList();
00295 
00296     this->CreateNestedTree(desc);
00297     this->vscroll = this->GetScrollbar(WID_STL_SCROLLBAR);
00298     this->FinishInitNested(desc, window_number);
00299     this->owner = (Owner)this->window_number;
00300 
00301     const CargoSpec *cs;
00302     FOR_ALL_SORTED_STANDARD_CARGOSPECS(cs) {
00303       if (!HasBit(this->cargo_filter, cs->Index())) continue;
00304       this->LowerWidget(WID_STL_CARGOSTART + index);
00305     }
00306 
00307     if (this->cargo_filter == this->cargo_filter_max) this->cargo_filter = _cargo_mask;
00308 
00309     for (uint i = 0; i < 5; i++) {
00310       if (HasBit(this->facilities, i)) this->LowerWidget(i + WID_STL_TRAIN);
00311     }
00312     this->SetWidgetLoweredState(WID_STL_NOCARGOWAITING, this->include_empty);
00313 
00314     this->GetWidget<NWidgetCore>(WID_STL_SORTDROPBTN)->widget_data = this->sorter_names[this->stations.SortType()];
00315   }
00316 
00317   ~CompanyStationsWindow()
00318   {
00319     this->last_sorting = this->stations.GetListing();
00320   }
00321 
00322   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00323   {
00324     switch (widget) {
00325       case WID_STL_SORTBY: {
00326         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
00327         d.width += padding.width + WD_SORTBUTTON_ARROW_WIDTH * 2; // Doubled since the string is centred and it also looks better.
00328         d.height += padding.height;
00329         *size = maxdim(*size, d);
00330         break;
00331       }
00332 
00333       case WID_STL_SORTDROPBTN: {
00334         Dimension d = {0, 0};
00335         for (int i = 0; this->sorter_names[i] != INVALID_STRING_ID; i++) {
00336           d = maxdim(d, GetStringBoundingBox(this->sorter_names[i]));
00337         }
00338         d.width += padding.width;
00339         d.height += padding.height;
00340         *size = maxdim(*size, d);
00341         break;
00342       }
00343 
00344       case WID_STL_LIST:
00345         resize->height = FONT_HEIGHT_NORMAL;
00346         size->height = WD_FRAMERECT_TOP + 5 * resize->height + WD_FRAMERECT_BOTTOM;
00347         break;
00348 
00349       case WID_STL_TRAIN:
00350       case WID_STL_TRUCK:
00351       case WID_STL_BUS:
00352       case WID_STL_AIRPLANE:
00353       case WID_STL_SHIP:
00354         size->height = max<uint>(FONT_HEIGHT_SMALL, 10) + padding.height;
00355         break;
00356 
00357       case WID_STL_CARGOALL:
00358       case WID_STL_FACILALL:
00359       case WID_STL_NOCARGOWAITING: {
00360         Dimension d = GetStringBoundingBox(widget == WID_STL_NOCARGOWAITING ? STR_ABBREV_NONE : STR_ABBREV_ALL);
00361         d.width  += padding.width + 2;
00362         d.height += padding.height;
00363         *size = maxdim(*size, d);
00364         break;
00365       }
00366 
00367       default:
00368         if (widget >= WID_STL_CARGOSTART) {
00369           Dimension d = GetStringBoundingBox(_sorted_cargo_specs[widget - WID_STL_CARGOSTART]->abbrev);
00370           d.width  += padding.width + 2;
00371           d.height += padding.height;
00372           *size = maxdim(*size, d);
00373         }
00374         break;
00375     }
00376   }
00377 
00378   virtual void OnPaint()
00379   {
00380     this->BuildStationsList((Owner)this->window_number);
00381     this->SortStationsList();
00382 
00383     this->DrawWidgets();
00384   }
00385 
00386   virtual void DrawWidget(const Rect &r, int widget) const
00387   {
00388     switch (widget) {
00389       case WID_STL_SORTBY:
00390         /* draw arrow pointing up/down for ascending/descending sorting */
00391         this->DrawSortButtonState(WID_STL_SORTBY, this->stations.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
00392         break;
00393 
00394       case WID_STL_LIST: {
00395         bool rtl = _current_text_dir == TD_RTL;
00396         int max = min(this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->stations.Length());
00397         int y = r.top + WD_FRAMERECT_TOP;
00398         for (int i = this->vscroll->GetPosition(); i < max; ++i) { // do until max number of stations of owner
00399           const Station *st = this->stations[i];
00400           assert(st->xy != INVALID_TILE);
00401 
00402           /* Do not do the complex check HasStationInUse here, it may be even false
00403            * when the order had been removed and the station list hasn't been removed yet */
00404           assert(st->owner == owner || st->owner == OWNER_NONE);
00405 
00406           SetDParam(0, st->index);
00407           SetDParam(1, st->facilities);
00408           int x = DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_LIST_STATION);
00409           x += rtl ? -5 : 5;
00410 
00411           /* show cargo waiting and station ratings */
00412           for (uint j = 0; j < _sorted_standard_cargo_specs_size; j++) {
00413             CargoID cid = _sorted_cargo_specs[j]->Index();
00414             if (!st->goods[cid].cargo.Empty()) {
00415               /* For RTL we work in exactly the opposite direction. So
00416                * decrement the space needed first, then draw to the left
00417                * instead of drawing to the left and then incrementing
00418                * the space. */
00419               if (rtl) {
00420                 x -= 20;
00421                 if (x < r.left + WD_FRAMERECT_LEFT) break;
00422               }
00423               StationsWndShowStationRating(x, x + 16, y, cid, st->goods[cid].cargo.Count(), st->goods[cid].rating);
00424               if (!rtl) {
00425                 x += 20;
00426                 if (x > r.right - WD_FRAMERECT_RIGHT) break;
00427               }
00428             }
00429           }
00430           y += FONT_HEIGHT_NORMAL;
00431         }
00432 
00433         if (this->vscroll->GetCount() == 0) { // company has no stations
00434           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_LIST_NONE);
00435           return;
00436         }
00437         break;
00438       }
00439 
00440       case WID_STL_NOCARGOWAITING: {
00441         int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
00442         DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_NONE, TC_BLACK, SA_HOR_CENTER);
00443         break;
00444       }
00445 
00446       case WID_STL_CARGOALL: {
00447         int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
00448         DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_ALL, TC_BLACK, SA_HOR_CENTER);
00449         break;
00450       }
00451 
00452       case WID_STL_FACILALL: {
00453         int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
00454         DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_ALL, TC_BLACK);
00455         break;
00456       }
00457 
00458       default:
00459         if (widget >= WID_STL_CARGOSTART) {
00460           const CargoSpec *cs = _sorted_cargo_specs[widget - WID_STL_CARGOSTART];
00461           int cg_ofst = HasBit(this->cargo_filter, cs->Index()) ? 2 : 1;
00462           GfxFillRect(r.left + cg_ofst, r.top + cg_ofst, r.right - 2 + cg_ofst, r.bottom - 2 + cg_ofst, cs->rating_colour);
00463           TextColour tc = GetContrastColour(cs->rating_colour);
00464           DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, cs->abbrev, tc, SA_HOR_CENTER);
00465         }
00466         break;
00467     }
00468   }
00469 
00470   virtual void SetStringParameters(int widget) const
00471   {
00472     if (widget == WID_STL_CAPTION) {
00473       SetDParam(0, this->window_number);
00474       SetDParam(1, this->vscroll->GetCount());
00475     }
00476   }
00477 
00478   virtual void OnClick(Point pt, int widget, int click_count)
00479   {
00480     switch (widget) {
00481       case WID_STL_LIST: {
00482         uint id_v = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_STL_LIST, 0, FONT_HEIGHT_NORMAL);
00483         if (id_v >= this->stations.Length()) return; // click out of list bound
00484 
00485         const Station *st = this->stations[id_v];
00486         /* do not check HasStationInUse - it is slow and may be invalid */
00487         assert(st->owner == (Owner)this->window_number || st->owner == OWNER_NONE);
00488 
00489         if (_ctrl_pressed) {
00490           ShowExtraViewPortWindow(st->xy);
00491         } else {
00492           ScrollMainWindowToTile(st->xy);
00493         }
00494         break;
00495       }
00496 
00497       case WID_STL_TRAIN:
00498       case WID_STL_TRUCK:
00499       case WID_STL_BUS:
00500       case WID_STL_AIRPLANE:
00501       case WID_STL_SHIP:
00502         if (_ctrl_pressed) {
00503           ToggleBit(this->facilities, widget - WID_STL_TRAIN);
00504           this->ToggleWidgetLoweredState(widget);
00505         } else {
00506           uint i;
00507           FOR_EACH_SET_BIT(i, this->facilities) {
00508             this->RaiseWidget(i + WID_STL_TRAIN);
00509           }
00510           this->facilities = 1 << (widget - WID_STL_TRAIN);
00511           this->LowerWidget(widget);
00512         }
00513         this->stations.ForceRebuild();
00514         this->SetDirty();
00515         break;
00516 
00517       case WID_STL_FACILALL:
00518         for (uint i = WID_STL_TRAIN; i <= WID_STL_SHIP; i++) {
00519           this->LowerWidget(i);
00520         }
00521 
00522         this->facilities = FACIL_TRAIN | FACIL_TRUCK_STOP | FACIL_BUS_STOP | FACIL_AIRPORT | FACIL_DOCK;
00523         this->stations.ForceRebuild();
00524         this->SetDirty();
00525         break;
00526 
00527       case WID_STL_CARGOALL: {
00528         for (uint i = 0; i < _sorted_standard_cargo_specs_size; i++) {
00529           this->LowerWidget(WID_STL_CARGOSTART + i);
00530         }
00531         this->LowerWidget(WID_STL_NOCARGOWAITING);
00532 
00533         this->cargo_filter = _cargo_mask;
00534         this->include_empty = true;
00535         this->stations.ForceRebuild();
00536         this->SetDirty();
00537         break;
00538       }
00539 
00540       case WID_STL_SORTBY: // flip sorting method asc/desc
00541         this->stations.ToggleSortOrder();
00542         this->SetDirty();
00543         break;
00544 
00545       case WID_STL_SORTDROPBTN: // select sorting criteria dropdown menu
00546         ShowDropDownMenu(this, this->sorter_names, this->stations.SortType(), WID_STL_SORTDROPBTN, 0, 0);
00547         break;
00548 
00549       case WID_STL_NOCARGOWAITING:
00550         if (_ctrl_pressed) {
00551           this->include_empty = !this->include_empty;
00552           this->ToggleWidgetLoweredState(WID_STL_NOCARGOWAITING);
00553         } else {
00554           for (uint i = 0; i < _sorted_standard_cargo_specs_size; i++) {
00555             this->RaiseWidget(WID_STL_CARGOSTART + i);
00556           }
00557 
00558           this->cargo_filter = 0;
00559           this->include_empty = true;
00560 
00561           this->LowerWidget(WID_STL_NOCARGOWAITING);
00562         }
00563         this->stations.ForceRebuild();
00564         this->SetDirty();
00565         break;
00566 
00567       default:
00568         if (widget >= WID_STL_CARGOSTART) { // change cargo_filter
00569           /* Determine the selected cargo type */
00570           const CargoSpec *cs = _sorted_cargo_specs[widget - WID_STL_CARGOSTART];
00571 
00572           if (_ctrl_pressed) {
00573             ToggleBit(this->cargo_filter, cs->Index());
00574             this->ToggleWidgetLoweredState(widget);
00575           } else {
00576             for (uint i = 0; i < _sorted_standard_cargo_specs_size; i++) {
00577               this->RaiseWidget(WID_STL_CARGOSTART + i);
00578             }
00579             this->RaiseWidget(WID_STL_NOCARGOWAITING);
00580 
00581             this->cargo_filter = 0;
00582             this->include_empty = false;
00583 
00584             SetBit(this->cargo_filter, cs->Index());
00585             this->LowerWidget(widget);
00586           }
00587           this->stations.ForceRebuild();
00588           this->SetDirty();
00589         }
00590         break;
00591     }
00592   }
00593 
00594   virtual void OnDropdownSelect(int widget, int index)
00595   {
00596     if (this->stations.SortType() != index) {
00597       this->stations.SetSortType(index);
00598 
00599       /* Display the current sort variant */
00600       this->GetWidget<NWidgetCore>(WID_STL_SORTDROPBTN)->widget_data = this->sorter_names[this->stations.SortType()];
00601 
00602       this->SetDirty();
00603     }
00604   }
00605 
00606   virtual void OnTick()
00607   {
00608     if (_pause_mode != PM_UNPAUSED) return;
00609     if (this->stations.NeedResort()) {
00610       DEBUG(misc, 3, "Periodic rebuild station list company %d", this->window_number);
00611       this->SetDirty();
00612     }
00613   }
00614 
00615   virtual void OnResize()
00616   {
00617     this->vscroll->SetCapacityFromWidget(this, WID_STL_LIST, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
00618   }
00619 
00625   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00626   {
00627     if (data == 0) {
00628       /* This needs to be done in command-scope to enforce rebuilding before resorting invalid data */
00629       this->stations.ForceRebuild();
00630     } else {
00631       this->stations.ForceResort();
00632     }
00633   }
00634 };
00635 
00636 Listing CompanyStationsWindow::last_sorting = {false, 0};
00637 byte CompanyStationsWindow::facilities = FACIL_TRAIN | FACIL_TRUCK_STOP | FACIL_BUS_STOP | FACIL_AIRPORT | FACIL_DOCK;
00638 bool CompanyStationsWindow::include_empty = true;
00639 const uint32 CompanyStationsWindow::cargo_filter_max = UINT32_MAX;
00640 uint32 CompanyStationsWindow::cargo_filter = UINT32_MAX;
00641 const Station *CompanyStationsWindow::last_station = NULL;
00642 
00643 /* Availible station sorting functions */
00644 GUIStationList::SortFunction * const CompanyStationsWindow::sorter_funcs[] = {
00645   &StationNameSorter,
00646   &StationTypeSorter,
00647   &StationWaitingSorter,
00648   &StationRatingMaxSorter,
00649   &StationRatingMinSorter
00650 };
00651 
00652 /* Names of the sorting functions */
00653 const StringID CompanyStationsWindow::sorter_names[] = {
00654   STR_SORT_BY_NAME,
00655   STR_SORT_BY_FACILITY,
00656   STR_SORT_BY_WAITING,
00657   STR_SORT_BY_RATING_MAX,
00658   STR_SORT_BY_RATING_MIN,
00659   INVALID_STRING_ID
00660 };
00661 
00667 static NWidgetBase *CargoWidgets(int *biggest_index)
00668 {
00669   NWidgetHorizontal *container = new NWidgetHorizontal();
00670 
00671   for (uint i = 0; i < _sorted_standard_cargo_specs_size; i++) {
00672     NWidgetBackground *panel = new NWidgetBackground(WWT_PANEL, COLOUR_GREY, WID_STL_CARGOSTART + i);
00673     panel->SetMinimalSize(14, 11);
00674     panel->SetResize(0, 0);
00675     panel->SetFill(0, 1);
00676     panel->SetDataTip(0, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE);
00677     container->Add(panel);
00678   }
00679   *biggest_index = WID_STL_CARGOSTART + _sorted_standard_cargo_specs_size;
00680   return container;
00681 }
00682 
00683 static const NWidgetPart _nested_company_stations_widgets[] = {
00684   NWidget(NWID_HORIZONTAL),
00685     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
00686     NWidget(WWT_CAPTION, COLOUR_GREY, WID_STL_CAPTION), SetDataTip(STR_STATION_LIST_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00687     NWidget(WWT_SHADEBOX, COLOUR_GREY),
00688     NWidget(WWT_STICKYBOX, COLOUR_GREY),
00689   EndContainer(),
00690   NWidget(NWID_HORIZONTAL),
00691     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),
00692     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),
00693     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),
00694     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),
00695     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),
00696     NWidget(WWT_PUSHBTN, COLOUR_GREY, WID_STL_FACILALL), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_SELECT_ALL_FACILITIES), SetFill(0, 1),
00697     NWidget(WWT_PANEL, COLOUR_GREY), SetMinimalSize(5, 11), SetFill(0, 1), EndContainer(),
00698     NWidgetFunction(CargoWidgets),
00699     NWidget(WWT_PANEL, COLOUR_GREY, WID_STL_NOCARGOWAITING), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_NO_WAITING_CARGO), SetFill(0, 1), EndContainer(),
00700     NWidget(WWT_PUSHBTN, COLOUR_GREY, WID_STL_CARGOALL), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_SELECT_ALL_TYPES), SetFill(0, 1),
00701     NWidget(WWT_PANEL, COLOUR_GREY), SetDataTip(0x0, STR_NULL), SetResize(1, 0), SetFill(1, 1), EndContainer(),
00702   EndContainer(),
00703   NWidget(NWID_HORIZONTAL),
00704     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_STL_SORTBY), SetMinimalSize(81, 12), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
00705     NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_STL_SORTDROPBTN), SetMinimalSize(163, 12), SetDataTip(STR_SORT_BY_NAME, STR_TOOLTIP_SORT_CRITERIA), // widget_data gets overwritten.
00706     NWidget(WWT_PANEL, COLOUR_GREY), SetDataTip(0x0, STR_NULL), SetResize(1, 0), SetFill(1, 1), EndContainer(),
00707   EndContainer(),
00708   NWidget(NWID_HORIZONTAL),
00709     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(),
00710     NWidget(NWID_VERTICAL),
00711       NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_STL_SCROLLBAR),
00712       NWidget(WWT_RESIZEBOX, COLOUR_GREY),
00713     EndContainer(),
00714   EndContainer(),
00715 };
00716 
00717 static const WindowDesc _company_stations_desc(
00718   WDP_AUTO, 358, 162,
00719   WC_STATION_LIST, WC_NONE,
00720   0,
00721   _nested_company_stations_widgets, lengthof(_nested_company_stations_widgets)
00722 );
00723 
00729 void ShowCompanyStations(CompanyID company)
00730 {
00731   if (!Company::IsValidID(company)) return;
00732 
00733   AllocateWindowDescFront<CompanyStationsWindow>(&_company_stations_desc, company);
00734 }
00735 
00736 static const NWidgetPart _nested_station_view_widgets[] = {
00737   NWidget(NWID_HORIZONTAL),
00738     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
00739     NWidget(WWT_CAPTION, COLOUR_GREY, WID_SV_CAPTION), SetDataTip(STR_STATION_VIEW_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00740     NWidget(WWT_SHADEBOX, COLOUR_GREY),
00741     NWidget(WWT_STICKYBOX, COLOUR_GREY),
00742   EndContainer(),
00743   NWidget(NWID_HORIZONTAL),
00744     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_SORT_ORDER), SetMinimalSize(81, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
00745     NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_SV_SORT_BY), SetMinimalSize(168, 12), SetResize(1, 0), SetFill(0, 1), SetDataTip(0x0, STR_TOOLTIP_SORT_CRITERIA),
00746   EndContainer(),
00747   NWidget(NWID_HORIZONTAL),
00748     NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_SV_GROUP), SetMinimalSize(81, 12), SetFill(1, 1), SetDataTip(STR_STATION_VIEW_GROUP, 0x0),
00749     NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_SV_GROUP_BY), SetMinimalSize(168, 12), SetResize(1, 0), SetFill(0, 1), SetDataTip(0x0, STR_TOOLTIP_GROUP_ORDER),
00750   EndContainer(),
00751   NWidget(NWID_HORIZONTAL),
00752     NWidget(WWT_PANEL, COLOUR_GREY, WID_SV_WAITING), SetMinimalSize(237, 44), SetResize(1, 10), SetScrollbar(WID_SV_SCROLLBAR), EndContainer(),
00753     NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_SV_SCROLLBAR),
00754   EndContainer(),
00755   NWidget(WWT_PANEL, COLOUR_GREY, WID_SV_ACCEPT_RATING_LIST), SetMinimalSize(249, 23), SetResize(1, 0), EndContainer(),
00756   NWidget(NWID_HORIZONTAL),
00757     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
00758       NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_LOCATION), SetMinimalSize(45, 12), SetResize(1, 0), SetFill(1, 1),
00759           SetDataTip(STR_BUTTON_LOCATION, STR_STATION_VIEW_CENTER_TOOLTIP),
00760       NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_ACCEPTS_RATINGS), SetMinimalSize(46, 12), SetResize(1, 0), SetFill(1, 1),
00761           SetDataTip(STR_STATION_VIEW_RATINGS_BUTTON, STR_STATION_VIEW_RATINGS_TOOLTIP),
00762       NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_RENAME), SetMinimalSize(45, 12), SetResize(1, 0), SetFill(1, 1),
00763           SetDataTip(STR_BUTTON_RENAME, STR_STATION_VIEW_RENAME_TOOLTIP),
00764     EndContainer(),
00765     NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_SV_CLOSE_AIRPORT), SetMinimalSize(45, 12), SetResize(1, 0), SetFill(1, 1),
00766         SetDataTip(STR_STATION_VIEW_CLOSE_AIRPORT, STR_STATION_VIEW_CLOSE_AIRPORT_TOOLTIP),
00767     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_TRAINS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_TRAIN, STR_STATION_VIEW_SCHEDULED_TRAINS_TOOLTIP),
00768     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_ROADVEHS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_LORRY, STR_STATION_VIEW_SCHEDULED_ROAD_VEHICLES_TOOLTIP),
00769     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_SHIPS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_SHIP, STR_STATION_VIEW_SCHEDULED_SHIPS_TOOLTIP),
00770     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_PLANES),  SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_PLANE, STR_STATION_VIEW_SCHEDULED_AIRCRAFT_TOOLTIP),
00771     NWidget(WWT_RESIZEBOX, COLOUR_GREY),
00772   EndContainer(),
00773 };
00774 
00785 static void DrawCargoIcons(CargoID i, uint waiting, int left, int right, int y)
00786 {
00787   uint num = min((waiting + 5) / 10, (right - left) / 10); // maximum is width / 10 icons so it won't overflow
00788   if (num == 0) return;
00789 
00790   SpriteID sprite = CargoSpec::Get(i)->GetCargoIcon();
00791 
00792   int x = _current_text_dir == TD_RTL ? left : right - num * 10;
00793   do {
00794     DrawSprite(sprite, PAL_NONE, x, y);
00795     x += 10;
00796   } while (--num);
00797 }
00798 
00799 enum SortOrder {
00800   SO_DESCENDING,
00801   SO_ASCENDING
00802 };
00803 
00804 class CargoDataEntry;
00805 
00806 enum CargoSortType {
00807   ST_AS_GROUPING,    
00808   ST_COUNT,          
00809   ST_STATION_STRING, 
00810   ST_STATION_ID,     
00811   ST_CARGO_ID,       
00812 };
00813 
00814 class CargoSorter {
00815 public:
00816   CargoSorter(CargoSortType t = ST_STATION_ID, SortOrder o = SO_ASCENDING) : type(t), order(o) {}
00817   CargoSortType GetSortType() {return this->type;}
00818   bool operator()(const CargoDataEntry *cd1, const CargoDataEntry *cd2) const;
00819 
00820 private:
00821   CargoSortType type;
00822   SortOrder order;
00823 
00824   template<class Tid>
00825   bool SortId(Tid st1, Tid st2) const;
00826   bool SortCount(const CargoDataEntry *cd1, const CargoDataEntry *cd2) const;
00827   bool SortStation (StationID st1, StationID st2) const;
00828 };
00829 
00830 typedef std::set<CargoDataEntry *, CargoSorter> CargoDataSet;
00831 
00837 class CargoDataEntry {
00838 public:
00839   CargoDataEntry();
00840   ~CargoDataEntry();
00841 
00847   CargoDataEntry *InsertOrRetrieve(StationID station)
00848   {
00849     return this->InsertOrRetrieve<StationID>(station);
00850   }
00851 
00857   CargoDataEntry *InsertOrRetrieve(CargoID cargo)
00858   {
00859     return this->InsertOrRetrieve<CargoID>(cargo);
00860   }
00861 
00862   void Update(uint count);
00863 
00868   void Remove(StationID station)
00869   {
00870     CargoDataEntry t(station);
00871     this->Remove(&t);
00872   }
00873 
00878   void Remove(CargoID cargo)
00879   {
00880     CargoDataEntry t(cargo);
00881     this->Remove(&t);
00882   }
00883 
00889   CargoDataEntry *Retrieve(StationID station) const
00890   {
00891     CargoDataEntry t(station);
00892     return this->Retrieve(this->children->find(&t));
00893   }
00894 
00900   CargoDataEntry *Retrieve(CargoID cargo) const
00901   {
00902     CargoDataEntry t(cargo);
00903     return this->Retrieve(this->children->find(&t));
00904   }
00905 
00906   void Resort(CargoSortType type, SortOrder order);
00907 
00911   StationID GetStation() const { return this->station; }
00912 
00916   CargoID GetCargo() const { return this->cargo; }
00917 
00921   uint GetCount() const { return this->count; }
00922 
00926   CargoDataEntry *GetParent() const { return this->parent; }
00927 
00931   uint GetNumChildren() const { return this->num_children; }
00932 
00936   CargoDataSet::iterator Begin() const { return this->children->begin(); }
00937 
00941   CargoDataSet::iterator End() const { return this->children->end(); }
00942 
00943   void Clear();
00944 private:
00945 
00946   CargoDataEntry(StationID st, uint c, CargoDataEntry *p);
00947   CargoDataEntry(CargoID car, uint c, CargoDataEntry *p);
00948   CargoDataEntry(StationID st);
00949   CargoDataEntry(CargoID car);
00950 
00951   CargoDataEntry *Retrieve(CargoDataSet::iterator i) const;
00952 
00953   template<class Tid>
00954   CargoDataEntry *InsertOrRetrieve(Tid s);
00955 
00956   void Remove(CargoDataEntry *comp);
00957   void IncrementSize();
00958 
00959   CargoDataEntry *parent;   
00960   const union {
00961     StationID station;    
00962     struct {
00963       CargoID cargo;    
00964       bool transfers;   
00965     };
00966   };
00967   uint num_children;        
00968   uint count;               
00969   CargoDataSet *children;   
00970 };
00971 
00972 CargoDataEntry::CargoDataEntry() :
00973   parent(NULL),
00974   station(INVALID_STATION),
00975   num_children(0),
00976   count(0),
00977   children(new CargoDataSet(CargoSorter(ST_CARGO_ID)))
00978 {}
00979 
00980 CargoDataEntry::CargoDataEntry(CargoID cargo, uint count, CargoDataEntry *parent) :
00981   parent(parent),
00982   cargo(cargo),
00983   num_children(0),
00984   count(count),
00985   children(new CargoDataSet)
00986 {}
00987 
00988 CargoDataEntry::CargoDataEntry(StationID station, uint count, CargoDataEntry *parent) :
00989   parent(parent),
00990   station(station),
00991   num_children(0),
00992   count(count),
00993   children(new CargoDataSet)
00994 {}
00995 
00996 CargoDataEntry::CargoDataEntry(StationID station) :
00997   parent(NULL),
00998   station(station),
00999   num_children(0),
01000   count(0),
01001   children(NULL)
01002 {}
01003 
01004 CargoDataEntry::CargoDataEntry(CargoID cargo) :
01005   parent(NULL),
01006   cargo(cargo),
01007   num_children(0),
01008   count(0),
01009   children(NULL)
01010 {}
01011 
01012 CargoDataEntry::~CargoDataEntry()
01013 {
01014   this->Clear();
01015   delete this->children;
01016 }
01017 
01021 void CargoDataEntry::Clear()
01022 {
01023   if (this->children != NULL) {
01024     for (CargoDataSet::iterator i = this->children->begin(); i != this->children->end(); ++i) {
01025       assert(*i != this);
01026       delete *i;
01027     }
01028     this->children->clear();
01029   }
01030   if (this->parent != NULL) this->parent->count -= this->count;
01031   this->count = 0;
01032   this->num_children = 0;
01033 }
01034 
01041 void CargoDataEntry::Remove(CargoDataEntry *child)
01042 {
01043   CargoDataSet::iterator i = this->children->find(child);
01044   if (i != this->children->end()) {
01045     delete *i;
01046     this->children->erase(i);
01047   }
01048 }
01049 
01056 template<class Tid>
01057 CargoDataEntry *CargoDataEntry::InsertOrRetrieve(Tid child_id)
01058 {
01059   CargoDataEntry tmp(child_id);
01060   CargoDataSet::iterator i = this->children->find(&tmp);
01061   if (i == this->children->end()) {
01062     IncrementSize();
01063     return *(this->children->insert(new CargoDataEntry(child_id, 0, this)).first);
01064   } else {
01065     CargoDataEntry *ret = *i;
01066     assert(this->children->value_comp().GetSortType() != ST_COUNT);
01067     return ret;
01068   }
01069 }
01070 
01076 void CargoDataEntry::Update(uint count)
01077 {
01078   this->count += count;
01079   if (this->parent != NULL) this->parent->Update(count);
01080 }
01081 
01085 void CargoDataEntry::IncrementSize()
01086 {
01087    ++this->num_children;
01088    if (this->parent != NULL) this->parent->IncrementSize();
01089 }
01090 
01091 void CargoDataEntry::Resort(CargoSortType type, SortOrder order)
01092 {
01093   CargoDataSet *new_subs = new CargoDataSet(this->children->begin(), this->children->end(), CargoSorter(type, order));
01094   delete this->children;
01095   this->children = new_subs;
01096 }
01097 
01098 CargoDataEntry *CargoDataEntry::Retrieve(CargoDataSet::iterator i) const
01099 {
01100   if (i == this->children->end()) {
01101     return NULL;
01102   } else {
01103     assert(this->children->value_comp().GetSortType() != ST_COUNT);
01104     return *i;
01105   }
01106 }
01107 
01108 bool CargoSorter::operator()(const CargoDataEntry *cd1, const CargoDataEntry *cd2) const
01109 {
01110   switch (this->type) {
01111     case ST_STATION_ID:
01112       return this->SortId<StationID>(cd1->GetStation(), cd2->GetStation());
01113     case ST_CARGO_ID:
01114       return this->SortId<CargoID>(cd1->GetCargo(), cd2->GetCargo());
01115     case ST_COUNT:
01116       return this->SortCount(cd1, cd2);
01117     case ST_STATION_STRING:
01118       return this->SortStation(cd1->GetStation(), cd2->GetStation());
01119     default:
01120       NOT_REACHED();
01121   }
01122 }
01123 
01124 template<class Tid>
01125 bool CargoSorter::SortId(Tid st1, Tid st2) const
01126 {
01127   return (this->order == SO_ASCENDING) ? st1 < st2 : st2 < st1;
01128 }
01129 
01130 bool CargoSorter::SortCount(const CargoDataEntry *cd1, const CargoDataEntry *cd2) const
01131 {
01132   uint c1 = cd1->GetCount();
01133   uint c2 = cd2->GetCount();
01134   if (c1 == c2) {
01135     return this->SortStation(cd1->GetStation(), cd2->GetStation());
01136   } else if (this->order == SO_ASCENDING) {
01137     return c1 < c2;
01138   } else {
01139     return c2 < c1;
01140   }
01141 }
01142 
01143 bool CargoSorter::SortStation(StationID st1, StationID st2) const
01144 {
01145   static char buf1[MAX_LENGTH_STATION_NAME_CHARS];
01146   static char buf2[MAX_LENGTH_STATION_NAME_CHARS];
01147 
01148   if (!Station::IsValidID(st1)) {
01149     return Station::IsValidID(st2) ? this->order == SO_ASCENDING : this->SortId(st1, st2);
01150   } else if (!Station::IsValidID(st2)) {
01151     return order == SO_DESCENDING;
01152   }
01153 
01154   SetDParam(0, st1);
01155   GetString(buf1, STR_STATION_NAME, lastof(buf1));
01156   SetDParam(0, st2);
01157   GetString(buf2, STR_STATION_NAME, lastof(buf2));
01158 
01159   int res = strcmp(buf1, buf2);
01160   if (res == 0) {
01161     return this->SortId(st1, st2);
01162   } else {
01163     return (this->order == SO_ASCENDING) ? res < 0 : res > 0;
01164   }
01165 }
01166 
01170 struct StationViewWindow : public Window {
01174   struct RowDisplay {
01175     RowDisplay(CargoDataEntry *f, StationID n) : filter(f), next_station(n) {}
01176     RowDisplay(CargoDataEntry *f, CargoID n) : filter(f), next_cargo(n) {}
01177 
01181     CargoDataEntry *filter;
01182     union {
01186       StationID next_station;
01187 
01191       CargoID next_cargo;
01192     };
01193   };
01194 
01195   typedef std::vector<RowDisplay> CargoDataVector;
01196 
01197   static const int NUM_COLUMNS = 4; 
01198 
01202   enum Invalidation {
01203     INV_FLOWS = 0x100, 
01204     INV_CARGO = 0x200  
01205   };
01206 
01210   enum Grouping {
01211     GR_SOURCE,      
01212     GR_NEXT,        
01213     GR_DESTINATION, 
01214     GR_CARGO,       
01215   };
01216 
01220   enum Mode {
01221     MODE_WAITING, 
01222     MODE_PLANNED  
01223   };
01224 
01225   uint expand_shrink_width;     
01226   int rating_lines;             
01227   int accepts_lines;            
01228   Scrollbar *vscroll;
01229 
01231   enum AcceptListHeight {
01232     ALH_RATING  = 13, 
01233     ALH_ACCEPTS = 3,  
01234   };
01235 
01236   static const StringID _sort_names[];  
01237   static const StringID _group_names[]; 
01238 
01245   CargoSortType sortings[NUM_COLUMNS];
01246 
01248   SortOrder sort_orders[NUM_COLUMNS];
01249 
01250   int scroll_to_row;                  
01251   int grouping_index;                 
01252   Mode current_mode;                  
01253   Grouping groupings[NUM_COLUMNS];    
01254 
01255   CargoDataEntry expanded_rows;       
01256   CargoDataEntry cached_destinations; 
01257   CargoDataVector displayed_rows;     
01258 
01259   StationViewWindow(const WindowDesc *desc, WindowNumber window_number) : Window(),
01260     scroll_to_row(INT_MAX), grouping_index(0)
01261   {
01262     this->rating_lines  = ALH_RATING;
01263     this->accepts_lines = ALH_ACCEPTS;
01264 
01265     this->CreateNestedTree(desc);
01266     this->vscroll = this->GetScrollbar(WID_SV_SCROLLBAR);
01267     /* Nested widget tree creation is done in two steps to ensure that this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS) exists in UpdateWidgetSize(). */
01268     this->FinishInitNested(desc, window_number);
01269 
01270     this->groupings[0] = GR_CARGO;
01271     this->sortings[0] = ST_AS_GROUPING;
01272     this->SelectGroupBy(_settings_client.gui.station_gui_group_order);
01273     this->SelectSortBy(_settings_client.gui.station_gui_sort_by);
01274     this->sort_orders[0] = SO_ASCENDING;
01275     this->SelectSortOrder((SortOrder)_settings_client.gui.station_gui_sort_order);
01276     Owner owner = Station::Get(window_number)->owner;
01277     if (owner != OWNER_NONE) this->owner = owner;
01278   }
01279 
01280   ~StationViewWindow()
01281   {
01282     Owner owner = Station::Get(this->window_number)->owner;
01283     DeleteWindowById(WC_TRAINS_LIST,   VehicleListIdentifier(VL_STATION_LIST, VEH_TRAIN,    owner, this->window_number).Pack(), false);
01284     DeleteWindowById(WC_ROADVEH_LIST,  VehicleListIdentifier(VL_STATION_LIST, VEH_ROAD,     owner, this->window_number).Pack(), false);
01285     DeleteWindowById(WC_SHIPS_LIST,    VehicleListIdentifier(VL_STATION_LIST, VEH_SHIP,     owner, this->window_number).Pack(), false);
01286     DeleteWindowById(WC_AIRCRAFT_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_AIRCRAFT, owner, this->window_number).Pack(), false);
01287   }
01288 
01299   void ShowCargo(CargoDataEntry *data, CargoID cargo, StationID source, StationID next, StationID dest, uint count)
01300   {
01301     if (count == 0) return;
01302     bool auto_distributed = _settings_game.linkgraph.GetDistributionType(cargo) != DT_MANUAL;
01303     const CargoDataEntry *expand = &this->expanded_rows;
01304     for (int i = 0; i < NUM_COLUMNS && expand != NULL; ++i) {
01305       switch (groupings[i]) {
01306         case GR_CARGO:
01307           assert(i == 0);
01308           data = data->InsertOrRetrieve(cargo);
01309           data->transfers = (source != this->window_number);
01310           expand = expand->Retrieve(cargo);
01311           break;
01312         case GR_SOURCE:
01313           if (auto_distributed || source != this->window_number) {
01314             data = data->InsertOrRetrieve(source);
01315             expand = expand->Retrieve(source);
01316           }
01317           break;
01318         case GR_NEXT:
01319           if (auto_distributed) {
01320             data = data->InsertOrRetrieve(next);
01321             expand = expand->Retrieve(next);
01322           }
01323           break;
01324         case GR_DESTINATION:
01325           if (auto_distributed) {
01326             data = data->InsertOrRetrieve(dest);
01327             expand = expand->Retrieve(dest);
01328           }
01329           break;
01330       }
01331     }
01332     data->Update(count);
01333   }
01334 
01335   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01336   {
01337     switch (widget) {
01338       case WID_SV_WAITING:
01339         resize->height = FONT_HEIGHT_NORMAL;
01340         size->height = WD_FRAMERECT_TOP + 4 * resize->height + WD_FRAMERECT_BOTTOM;
01341         this->expand_shrink_width = max(GetStringBoundingBox("-").width, GetStringBoundingBox("+").width) + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
01342         break;
01343 
01344       case WID_SV_ACCEPT_RATING_LIST:
01345         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;
01346         break;
01347 
01348       case WID_SV_CLOSE_AIRPORT:
01349         if (!(Station::Get(this->window_number)->facilities & FACIL_AIRPORT)) {
01350           /* Hide 'Close Airport' button if no airport present. */
01351           size->width = 0;
01352           resize->width = 0;
01353           fill->width = 0;
01354         }
01355         break;
01356     }
01357   }
01358 
01359   virtual void OnPaint()
01360   {
01361     const Station *st = Station::Get(this->window_number);
01362     CargoDataEntry cargo;
01363     BuildCargoList(&cargo, st);
01364 
01365     this->vscroll->SetCount(cargo.GetNumChildren()); // update scrollbar
01366 
01367     /* disable some buttons */
01368     this->SetWidgetDisabledState(WID_SV_RENAME,   st->owner != _local_company);
01369     this->SetWidgetDisabledState(WID_SV_TRAINS,   !(st->facilities & FACIL_TRAIN));
01370     this->SetWidgetDisabledState(WID_SV_ROADVEHS, !(st->facilities & FACIL_TRUCK_STOP) && !(st->facilities & FACIL_BUS_STOP));
01371     this->SetWidgetDisabledState(WID_SV_SHIPS,    !(st->facilities & FACIL_DOCK));
01372     this->SetWidgetDisabledState(WID_SV_PLANES,   !(st->facilities & FACIL_AIRPORT));
01373     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
01374     this->SetWidgetLoweredState(WID_SV_CLOSE_AIRPORT, (st->facilities & FACIL_AIRPORT) && (st->airport.flags & AIRPORT_CLOSED_block) != 0);
01375 
01376     this->DrawWidgets();
01377 
01378     if (!this->IsShaded()) {
01379       /* Draw 'accepted cargo' or 'cargo ratings'. */
01380       const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SV_ACCEPT_RATING_LIST);
01381       const Rect r = {wid->pos_x, wid->pos_y, wid->pos_x + wid->current_x - 1, wid->pos_y + wid->current_y - 1};
01382       if (this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) {
01383         int lines = this->DrawAcceptedCargo(r);
01384         if (lines > this->accepts_lines) { // Resize the widget, and perform re-initialization of the window.
01385           this->accepts_lines = lines;
01386           this->ReInit();
01387           return;
01388         }
01389       } else {
01390         int lines = this->DrawCargoRatings(r);
01391         if (lines > this->rating_lines) { // Resize the widget, and perform re-initialization of the window.
01392           this->rating_lines = lines;
01393           this->ReInit();
01394           return;
01395         }
01396       }
01397 
01398       /* Draw arrow pointing up/down for ascending/descending sorting */
01399       this->DrawSortButtonState(WID_SV_SORT_ORDER, sort_orders[1] == SO_ASCENDING ? SBS_UP : SBS_DOWN);
01400 
01401       int pos = this->vscroll->GetPosition();
01402 
01403       int maxrows = this->vscroll->GetCapacity();
01404 
01405       displayed_rows.clear();
01406 
01407       /* Draw waiting cargo. */
01408       NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_SV_WAITING);
01409       Rect waiting_rect = {nwi->pos_x, nwi->pos_y, nwi->pos_x + nwi->current_x - 1, nwi->pos_y + nwi->current_y - 1};
01410       this->DrawEntries(&cargo, waiting_rect, pos, maxrows, 0);
01411       scroll_to_row = INT_MAX;
01412     }
01413   }
01414 
01415   virtual void SetStringParameters(int widget) const
01416   {
01417     const Station *st = Station::Get(this->window_number);
01418     SetDParam(0, st->index);
01419     SetDParam(1, st->facilities);
01420   }
01421 
01427   void RecalcDestinations(CargoID i)
01428   {
01429     const Station *st = Station::Get(this->window_number);
01430     CargoDataEntry *cargo_entry = cached_destinations.InsertOrRetrieve(i);
01431     cargo_entry->Clear();
01432 
01433     const FlowStatMap &flows = st->goods[i].flows;
01434     for (FlowStatMap::const_iterator it = flows.begin(); it != flows.end(); ++it) {
01435       StationID from = it->first;
01436       CargoDataEntry *source_entry = cargo_entry->InsertOrRetrieve(from);
01437       const FlowStat::SharesMap *shares = it->second.GetShares();
01438       uint32 prev_count = 0;
01439       for (FlowStat::SharesMap::const_iterator flow_it = shares->begin(); flow_it != shares->end(); ++flow_it) {
01440         StationID via = flow_it->second;
01441         CargoDataEntry *via_entry = source_entry->InsertOrRetrieve(via);
01442         if (via == this->window_number) {
01443           via_entry->InsertOrRetrieve(via)->Update(flow_it->first - prev_count);
01444         } else {
01445           EstimateDestinations(i, from, via, flow_it->first - prev_count, via_entry);
01446         }
01447         prev_count = flow_it->first;
01448       }
01449     }
01450   }
01451 
01461   void EstimateDestinations(CargoID cargo, StationID source, StationID next, uint count, CargoDataEntry *dest)
01462   {
01463     if (Station::IsValidID(next) && Station::IsValidID(source)) {
01464       CargoDataEntry tmp;
01465       const FlowStatMap &flowmap = Station::Get(next)->goods[cargo].flows;
01466       FlowStatMap::const_iterator map_it = flowmap.find(source);
01467       if (map_it != flowmap.end()) {
01468         const FlowStat::SharesMap *shares = map_it->second.GetShares();
01469         uint32 prev_count = 0;
01470         for (FlowStat::SharesMap::const_iterator i = shares->begin(); i != shares->end(); ++i) {
01471           tmp.InsertOrRetrieve(i->second)->Update(i->first - prev_count);
01472           prev_count = i->first;
01473         }
01474       }
01475 
01476       if (tmp.GetCount() == 0) {
01477         dest->InsertOrRetrieve(INVALID_STATION)->Update(count);
01478       } else {
01479         uint sum_estimated = 0;
01480         while (sum_estimated < count) {
01481           for (CargoDataSet::iterator i = tmp.Begin(); i != tmp.End() && sum_estimated < count; ++i) {
01482             CargoDataEntry *child = *i;
01483             uint estimate = DivideApprox(child->GetCount() * count, tmp.GetCount());
01484             if (estimate == 0) estimate = 1;
01485 
01486             sum_estimated += estimate;
01487             if (sum_estimated > count) {
01488               estimate -= sum_estimated - count;
01489               sum_estimated = count;
01490             }
01491 
01492             if (estimate > 0) {
01493               if (child->GetStation() == next) {
01494                 dest->InsertOrRetrieve(next)->Update(estimate);
01495               } else {
01496                 EstimateDestinations(cargo, source, child->GetStation(), estimate, dest);
01497               }
01498             }
01499           }
01500 
01501         }
01502       }
01503     } else {
01504       dest->InsertOrRetrieve(INVALID_STATION)->Update(count);
01505     }
01506   }
01507 
01514   void BuildFlowList(CargoID i, const FlowStatMap &flows, CargoDataEntry *cargo)
01515   {
01516     const CargoDataEntry *source_dest = this->cached_destinations.Retrieve(i);
01517     for (FlowStatMap::const_iterator it = flows.begin(); it != flows.end(); ++it) {
01518       StationID from = it->first;
01519       const CargoDataEntry *source_entry = source_dest->Retrieve(from);
01520       const FlowStat::SharesMap *shares = it->second.GetShares();
01521       for (FlowStat::SharesMap::const_iterator flow_it = shares->begin(); flow_it != shares->end(); ++flow_it) {
01522         const CargoDataEntry *via_entry = source_entry->Retrieve(flow_it->second);
01523         for (CargoDataSet::iterator dest_it = via_entry->Begin(); dest_it != via_entry->End(); ++dest_it) {
01524           CargoDataEntry *dest_entry = *dest_it;
01525           ShowCargo(cargo, i, from, flow_it->second, dest_entry->GetStation(), dest_entry->GetCount());
01526         }
01527       }
01528     }
01529   }
01530 
01537   void BuildCargoList(CargoID i, const StationCargoList &packets, CargoDataEntry *cargo)
01538   {
01539     const CargoDataEntry *source_dest = this->cached_destinations.Retrieve(i);
01540     for (StationCargoList::ConstIterator it = packets.Packets()->begin(); it != packets.Packets()->end(); it++) {
01541       const CargoPacket *cp = *it;
01542       StationID next = it.GetKey();
01543 
01544       const CargoDataEntry *source_entry = source_dest->Retrieve(cp->SourceStation());
01545       if (source_entry == NULL) {
01546         this->ShowCargo(cargo, i, cp->SourceStation(), next, INVALID_STATION, cp->Count());
01547         continue;
01548       }
01549 
01550       const CargoDataEntry *via_entry = source_entry->Retrieve(next);
01551       if (via_entry == NULL) {
01552         this->ShowCargo(cargo, i, cp->SourceStation(), next, INVALID_STATION, cp->Count());
01553         continue;
01554       }
01555 
01556       for (CargoDataSet::iterator dest_it = via_entry->Begin(); dest_it != via_entry->End(); ++dest_it) {
01557         CargoDataEntry *dest_entry = *dest_it;
01558         uint val = DivideApprox(cp->Count() * dest_entry->GetCount(), via_entry->GetCount());
01559         this->ShowCargo(cargo, i, cp->SourceStation(), next, dest_entry->GetStation(), val);
01560       }
01561     }
01562     this->ShowCargo(cargo, i, NEW_STATION, NEW_STATION, NEW_STATION, packets.ReservedCount());
01563   }
01564 
01570   void BuildCargoList(CargoDataEntry *cargo, const Station *st)
01571   {
01572     for (CargoID i = 0; i < NUM_CARGO; i++) {
01573 
01574       if (this->cached_destinations.Retrieve(i) == NULL) {
01575         this->RecalcDestinations(i);
01576       }
01577 
01578       if (this->current_mode == MODE_WAITING) {
01579         this->BuildCargoList(i, st->goods[i].cargo, cargo);
01580       } else {
01581         this->BuildFlowList(i, st->goods[i].flows, cargo);
01582       }
01583     }
01584   }
01585 
01590   void SetDisplayedRow(const CargoDataEntry *data)
01591   {
01592     std::list<StationID> stations;
01593     const CargoDataEntry *parent = data->GetParent();
01594     if (parent->GetParent() == NULL) {
01595       this->displayed_rows.push_back(RowDisplay(&this->expanded_rows, data->GetCargo()));
01596       return;
01597     }
01598 
01599     StationID next = data->GetStation();
01600     while (parent->GetParent()->GetParent() != NULL) {
01601       stations.push_back(parent->GetStation());
01602       parent = parent->GetParent();
01603     }
01604 
01605     CargoID cargo = parent->GetCargo();
01606     CargoDataEntry *filter = this->expanded_rows.Retrieve(cargo);
01607     while (!stations.empty()) {
01608       filter = filter->Retrieve(stations.back());
01609       stations.pop_back();
01610     }
01611 
01612     this->displayed_rows.push_back(RowDisplay(filter, next));
01613   }
01614 
01623   StringID GetEntryString(StationID station, StringID here, StringID other_station, StringID any)
01624   {
01625     if (station == this->window_number) {
01626       return here;
01627     } else if (station == INVALID_STATION) {
01628       return any;
01629     } else if (station == NEW_STATION) {
01630       return STR_STATION_VIEW_RESERVED;
01631     } else {
01632       SetDParam(2, station);
01633       return other_station;
01634     }
01635   }
01636 
01644   StringID SearchNonStop(CargoDataEntry *cd, StationID station, int column)
01645   {
01646     CargoDataEntry *parent = cd->GetParent();
01647     for (int i = column - 1; i > 0; --i) {
01648       if (this->groupings[i] == GR_DESTINATION) {
01649         if (parent->GetStation() == station) {
01650           return STR_STATION_VIEW_NONSTOP;
01651         } else {
01652           return STR_STATION_VIEW_VIA;
01653         }
01654       }
01655       parent = parent->GetParent();
01656     }
01657 
01658     if (this->groupings[column + 1] == GR_DESTINATION) {
01659       CargoDataSet::iterator begin = cd->Begin();
01660       CargoDataSet::iterator end = cd->End();
01661       if (begin != end && ++(cd->Begin()) == end && (*(begin))->GetStation() == station) {
01662         return STR_STATION_VIEW_NONSTOP;
01663       } else {
01664         return STR_STATION_VIEW_VIA;
01665       }
01666     }
01667 
01668     return STR_STATION_VIEW_VIA;
01669   }
01670 
01681   int DrawEntries(CargoDataEntry *entry, Rect &r, int pos, int maxrows, int column, CargoID cargo = CT_INVALID)
01682   {
01683     if (this->sortings[column] == ST_AS_GROUPING) {
01684       if (this->groupings[column] != GR_CARGO) {
01685         entry->Resort(ST_STATION_STRING, this->sort_orders[column]);
01686       }
01687     } else {
01688       entry->Resort(ST_COUNT, this->sort_orders[column]);
01689     }
01690     for (CargoDataSet::iterator i = entry->Begin(); i != entry->End(); ++i) {
01691       CargoDataEntry *cd = *i;
01692 
01693       Grouping grouping = this->groupings[column];
01694       if (grouping == GR_CARGO) cargo = cd->GetCargo();
01695       bool auto_distributed = _settings_game.linkgraph.GetDistributionType(cargo) != DT_MANUAL;
01696 
01697       if (pos > -maxrows && pos <= 0) {
01698         StringID str = STR_EMPTY;
01699         int y = r.top + WD_FRAMERECT_TOP - pos * FONT_HEIGHT_NORMAL;
01700         SetDParam(0, cargo);
01701         SetDParam(1, cd->GetCount());
01702 
01703         if (this->groupings[column] == GR_CARGO) {
01704           str = STR_STATION_VIEW_WAITING_CARGO;
01705           DrawCargoIcons(cd->GetCargo(), cd->GetCount(), r.left + WD_FRAMERECT_LEFT + this->expand_shrink_width, r.right - WD_FRAMERECT_RIGHT - this->expand_shrink_width, y);
01706         } else {
01707           if (!auto_distributed) grouping = GR_SOURCE;
01708           StationID station = cd->GetStation();
01709 
01710           switch (grouping) {
01711             case GR_SOURCE:
01712               str = this->GetEntryString(station, STR_STATION_VIEW_FROM_HERE, STR_STATION_VIEW_FROM, STR_STATION_VIEW_FROM_ANY);
01713               break;
01714             case GR_NEXT:
01715               str = this->GetEntryString(station, STR_STATION_VIEW_VIA_HERE, STR_STATION_VIEW_VIA, STR_STATION_VIEW_VIA_ANY);
01716               if (str == STR_STATION_VIEW_VIA) str = this->SearchNonStop(cd, station, column);
01717               break;
01718             case GR_DESTINATION:
01719               str = this->GetEntryString(station, STR_STATION_VIEW_TO_HERE, STR_STATION_VIEW_TO, STR_STATION_VIEW_TO_ANY);
01720               break;
01721             default:
01722               NOT_REACHED();
01723           }
01724           if (pos == -this->scroll_to_row && Station::IsValidID(station)) {
01725             ScrollMainWindowToTile(Station::Get(station)->xy);
01726           }
01727         }
01728 
01729         bool rtl = _current_text_dir == TD_RTL;
01730         int text_left    = rtl ? r.left + this->expand_shrink_width : r.left + WD_FRAMERECT_LEFT + column * this->expand_shrink_width;
01731         int text_right   = rtl ? r.right - WD_FRAMERECT_LEFT - column * this->expand_shrink_width : r.right - this->expand_shrink_width;
01732         int shrink_left  = rtl ? r.left + WD_FRAMERECT_LEFT : r.right - this->expand_shrink_width + WD_FRAMERECT_LEFT;
01733         int shrink_right = rtl ? r.left + this->expand_shrink_width - WD_FRAMERECT_RIGHT : r.right - WD_FRAMERECT_RIGHT;
01734 
01735         DrawString(text_left, text_right, y, str);
01736 
01737         if (column < NUM_COLUMNS - 1) {
01738           const char *sym = NULL;
01739           if (cd->GetNumChildren() > 0) {
01740             sym = "-";
01741           } else if (auto_distributed && str != STR_STATION_VIEW_RESERVED) {
01742             sym = "+";
01743           } else {
01744             /* Only draw '+' if there is something to be shown. */
01745             const StationCargoList &list = Station::Get(this->window_number)->goods[cargo].cargo;
01746             if (grouping == GR_CARGO && (list.ReservedCount() > 0 || cd->transfers)) {
01747               sym = "+";
01748             }
01749           }
01750           if (sym) DrawString(shrink_left, shrink_right, y, sym, TC_YELLOW);
01751         }
01752         this->SetDisplayedRow(cd);
01753       }
01754       --pos;
01755       if (auto_distributed || column == 0) {
01756         pos = this->DrawEntries(cd, r, pos, maxrows, column + 1, cargo);
01757       }
01758     }
01759     return pos;
01760   }
01761 
01767   int DrawAcceptedCargo(const Rect &r) const
01768   {
01769     const Station *st = Station::Get(this->window_number);
01770 
01771     uint32 cargo_mask = 0;
01772     for (CargoID i = 0; i < NUM_CARGO; i++) {
01773       if (HasBit(st->goods[i].acceptance_pickup, GoodsEntry::GES_ACCEPTANCE)) SetBit(cargo_mask, i);
01774     }
01775     SetDParam(0, cargo_mask);
01776     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);
01777     return CeilDiv(bottom - r.top - WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL);
01778   }
01779 
01785   int DrawCargoRatings(const Rect &r) const
01786   {
01787     const Station *st = Station::Get(this->window_number);
01788     int y = r.top + WD_FRAMERECT_TOP;
01789 
01790     if (st->town->exclusive_counter > 0) {
01791       SetDParam(0, st->town->exclusivity);
01792       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);
01793       y += WD_PAR_VSEP_WIDE;
01794     }
01795 
01796     DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_VIEW_SUPPLY_RATINGS_TITLE);
01797     y += FONT_HEIGHT_NORMAL;
01798 
01799     const CargoSpec *cs;
01800     FOR_ALL_SORTED_STANDARD_CARGOSPECS(cs) {
01801       const GoodsEntry *ge = &st->goods[cs->Index()];
01802       if (!ge->HasRating()) continue;
01803 
01804       SetDParam(0, cs->name);
01805       LinkGraph *lg = LinkGraph::GetIfValid(ge->link_graph);
01806       SetDParam(1, lg != NULL ? lg->Monthly((*lg)[ge->node].Supply()) : 0);
01807       SetDParam(3, ToPercent8(ge->rating));
01808       SetDParam(2, STR_CARGO_RATING_APPALLING + (ge->rating >> 5));
01809       DrawString(r.left + WD_FRAMERECT_LEFT + 6, r.right - WD_FRAMERECT_RIGHT - 6, y, STR_STATION_VIEW_CARGO_SUPPLY_RATING);
01810       y += FONT_HEIGHT_NORMAL;
01811     }
01812     return CeilDiv(y - r.top - WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL);
01813   }
01814 
01820   template<class Tid>
01821   void HandleCargoWaitingClick(CargoDataEntry *filter, Tid next)
01822   {
01823     if (filter->Retrieve(next) != NULL) {
01824       filter->Remove(next);
01825     } else {
01826       filter->InsertOrRetrieve(next);
01827     }
01828   }
01829 
01834   void HandleCargoWaitingClick(int row)
01835   {
01836     if (row < 0 || (uint)row >= this->displayed_rows.size()) return;
01837     if (_ctrl_pressed) {
01838       this->scroll_to_row = row;
01839     } else {
01840       RowDisplay &display = this->displayed_rows[row];
01841       if (display.filter == &this->expanded_rows) {
01842         this->HandleCargoWaitingClick<CargoID>(display.filter, display.next_cargo);
01843       } else {
01844         this->HandleCargoWaitingClick<StationID>(display.filter, display.next_station);
01845       }
01846     }
01847     this->SetWidgetDirty(WID_SV_WAITING);
01848   }
01849 
01850   virtual void OnClick(Point pt, int widget, int click_count)
01851   {
01852     switch (widget) {
01853       case WID_SV_WAITING:
01854         this->HandleCargoWaitingClick(this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_SV_WAITING, WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL) - this->vscroll->GetPosition());
01855         break;
01856 
01857       case WID_SV_LOCATION:
01858         if (_ctrl_pressed) {
01859           ShowExtraViewPortWindow(Station::Get(this->window_number)->xy);
01860         } else {
01861           ScrollMainWindowToTile(Station::Get(this->window_number)->xy);
01862         }
01863         break;
01864 
01865       case WID_SV_ACCEPTS_RATINGS: {
01866         /* Swap between 'accepts' and 'ratings' view. */
01867         int height_change;
01868         NWidgetCore *nwi = this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS);
01869         if (this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) {
01870           nwi->SetDataTip(STR_STATION_VIEW_ACCEPTS_BUTTON, STR_STATION_VIEW_ACCEPTS_TOOLTIP); // Switch to accepts view.
01871           height_change = this->rating_lines - this->accepts_lines;
01872         } else {
01873           nwi->SetDataTip(STR_STATION_VIEW_RATINGS_BUTTON, STR_STATION_VIEW_RATINGS_TOOLTIP); // Switch to ratings view.
01874           height_change = this->accepts_lines - this->rating_lines;
01875         }
01876         this->ReInit(0, height_change * FONT_HEIGHT_NORMAL);
01877         break;
01878       }
01879 
01880       case WID_SV_RENAME:
01881         SetDParam(0, this->window_number);
01882         ShowQueryString(STR_STATION_NAME, STR_STATION_VIEW_RENAME_STATION_CAPTION, MAX_LENGTH_STATION_NAME_CHARS,
01883             this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT | QSF_LEN_IN_CHARS);
01884         break;
01885 
01886       case WID_SV_CLOSE_AIRPORT:
01887         DoCommandP(0, this->window_number, 0, CMD_OPEN_CLOSE_AIRPORT);
01888         break;
01889 
01890       case WID_SV_TRAINS:   // Show list of scheduled trains to this station
01891       case WID_SV_ROADVEHS: // Show list of scheduled road-vehicles to this station
01892       case WID_SV_SHIPS:    // Show list of scheduled ships to this station
01893       case WID_SV_PLANES: { // Show list of scheduled aircraft to this station
01894         Owner owner = Station::Get(this->window_number)->owner;
01895         ShowVehicleListWindow(owner, (VehicleType)(widget - WID_SV_TRAINS), (StationID)this->window_number);
01896         break;
01897       }
01898 
01899       case WID_SV_SORT_BY: {
01900         ShowDropDownMenu(this, _sort_names, this->current_mode, WID_SV_SORT_BY, 0, 0);
01901         break;
01902       }
01903 
01904       case WID_SV_GROUP_BY: {
01905         ShowDropDownMenu(this, _group_names, this->grouping_index, WID_SV_GROUP_BY, 0, 0);
01906         break;
01907       }
01908 
01909       case WID_SV_SORT_ORDER: { // flip sorting method asc/desc
01910         this->SelectSortOrder(this->sort_orders[1] == SO_ASCENDING ? SO_DESCENDING : SO_ASCENDING);
01911         this->SetTimeout();
01912         this->LowerWidget(WID_SV_SORT_ORDER);
01913         break;
01914       }
01915     }
01916   }
01917 
01922   void SelectSortOrder(SortOrder order)
01923   {
01924     this->sort_orders[1] = this->sort_orders[2] = this->sort_orders[3] = order;
01925     _settings_client.gui.station_gui_sort_order = this->sort_orders[1];
01926     this->SetDirty();
01927   }
01928 
01933   void SelectSortBy(int index)
01934   {
01935     _settings_client.gui.station_gui_sort_by = index;
01936     switch (_sort_names[index]) {
01937       case STR_STATION_VIEW_WAITING_STATION:
01938         this->current_mode = MODE_WAITING;
01939         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_AS_GROUPING;
01940         break;
01941       case STR_STATION_VIEW_WAITING_AMOUNT:
01942         this->current_mode = MODE_WAITING;
01943         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_COUNT;
01944         break;
01945       case STR_STATION_VIEW_PLANNED_STATION:
01946         this->current_mode = MODE_PLANNED;
01947         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_AS_GROUPING;
01948         break;
01949       case STR_STATION_VIEW_PLANNED_AMOUNT:
01950         this->current_mode = MODE_PLANNED;
01951         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_COUNT;
01952         break;
01953       default:
01954         NOT_REACHED();
01955     }
01956     /* Display the current sort variant */
01957     this->GetWidget<NWidgetCore>(WID_SV_SORT_BY)->widget_data = _sort_names[index];
01958     this->SetDirty();
01959   }
01960 
01965   void SelectGroupBy(int index)
01966   {
01967     this->grouping_index = index;
01968     _settings_client.gui.station_gui_group_order = index;
01969     this->GetWidget<NWidgetCore>(WID_SV_GROUP_BY)->widget_data = _group_names[index];
01970     switch (_group_names[index]) {
01971       case STR_STATION_VIEW_GROUP_S_V_D:
01972         this->groupings[1] = GR_SOURCE;
01973         this->groupings[2] = GR_NEXT;
01974         this->groupings[3] = GR_DESTINATION;
01975         break;
01976       case STR_STATION_VIEW_GROUP_S_D_V:
01977         this->groupings[1] = GR_SOURCE;
01978         this->groupings[2] = GR_DESTINATION;
01979         this->groupings[3] = GR_NEXT;
01980         break;
01981       case STR_STATION_VIEW_GROUP_V_S_D:
01982         this->groupings[1] = GR_NEXT;
01983         this->groupings[2] = GR_SOURCE;
01984         this->groupings[3] = GR_DESTINATION;
01985         break;
01986       case STR_STATION_VIEW_GROUP_V_D_S:
01987         this->groupings[1] = GR_NEXT;
01988         this->groupings[2] = GR_DESTINATION;
01989         this->groupings[3] = GR_SOURCE;
01990         break;
01991       case STR_STATION_VIEW_GROUP_D_S_V:
01992         this->groupings[1] = GR_DESTINATION;
01993         this->groupings[2] = GR_SOURCE;
01994         this->groupings[3] = GR_NEXT;
01995         break;
01996       case STR_STATION_VIEW_GROUP_D_V_S:
01997         this->groupings[1] = GR_DESTINATION;
01998         this->groupings[2] = GR_NEXT;
01999         this->groupings[3] = GR_SOURCE;
02000         break;
02001     }
02002     this->SetDirty();
02003   }
02004 
02005   virtual void OnDropdownSelect(int widget, int index)
02006   {
02007     if (widget == WID_SV_SORT_BY) {
02008       this->SelectSortBy(index);
02009     } else {
02010       this->SelectGroupBy(index);
02011     }
02012   }
02013 
02014   virtual void OnQueryTextFinished(char *str)
02015   {
02016     if (str == NULL) return;
02017 
02018     DoCommandP(0, this->window_number, 0, CMD_RENAME_STATION | CMD_MSG(STR_ERROR_CAN_T_RENAME_STATION), NULL, str);
02019   }
02020 
02021   virtual void OnResize()
02022   {
02023     this->vscroll->SetCapacityFromWidget(this, WID_SV_WAITING, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
02024   }
02025 
02031   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
02032   {
02033     if (gui_scope) {
02034       if (data >= 0 && data < NUM_CARGO) {
02035         this->cached_destinations.Remove((CargoID)data);
02036       } else {
02037         this->ReInit();
02038       }
02039     }
02040   }
02041 };
02042 
02043 const StringID StationViewWindow::_sort_names[] = {
02044   STR_STATION_VIEW_WAITING_STATION,
02045   STR_STATION_VIEW_WAITING_AMOUNT,
02046   STR_STATION_VIEW_PLANNED_STATION,
02047   STR_STATION_VIEW_PLANNED_AMOUNT,
02048   INVALID_STRING_ID
02049 };
02050 
02051 const StringID StationViewWindow::_group_names[] = {
02052   STR_STATION_VIEW_GROUP_S_V_D,
02053   STR_STATION_VIEW_GROUP_S_D_V,
02054   STR_STATION_VIEW_GROUP_V_S_D,
02055   STR_STATION_VIEW_GROUP_V_D_S,
02056   STR_STATION_VIEW_GROUP_D_S_V,
02057   STR_STATION_VIEW_GROUP_D_V_S,
02058   INVALID_STRING_ID
02059 };
02060 
02061 static const WindowDesc _station_view_desc(
02062   WDP_AUTO, 249, 117,
02063   WC_STATION_VIEW, WC_NONE,
02064   0,
02065   _nested_station_view_widgets, lengthof(_nested_station_view_widgets)
02066 );
02067 
02073 void ShowStationViewWindow(StationID station)
02074 {
02075   AllocateWindowDescFront<StationViewWindow>(&_station_view_desc, station);
02076 }
02077 
02079 struct TileAndStation {
02080   TileIndex tile;    
02081   StationID station; 
02082 };
02083 
02084 static SmallVector<TileAndStation, 8> _deleted_stations_nearby;
02085 static SmallVector<StationID, 8> _stations_nearby_list;
02086 
02094 template <class T>
02095 static bool AddNearbyStation(TileIndex tile, void *user_data)
02096 {
02097   TileArea *ctx = (TileArea *)user_data;
02098 
02099   /* First check if there were deleted stations here */
02100   for (uint i = 0; i < _deleted_stations_nearby.Length(); i++) {
02101     TileAndStation *ts = _deleted_stations_nearby.Get(i);
02102     if (ts->tile == tile) {
02103       *_stations_nearby_list.Append() = _deleted_stations_nearby[i].station;
02104       _deleted_stations_nearby.Erase(ts);
02105       i--;
02106     }
02107   }
02108 
02109   /* Check if own station and if we stay within station spread */
02110   if (!IsTileType(tile, MP_STATION)) return false;
02111 
02112   StationID sid = GetStationIndex(tile);
02113 
02114   /* This station is (likely) a waypoint */
02115   if (!T::IsValidID(sid)) return false;
02116 
02117   T *st = T::Get(sid);
02118   if (st->owner != _local_company || _stations_nearby_list.Contains(sid)) return false;
02119 
02120   if (st->rect.BeforeAddRect(ctx->tile, ctx->w, ctx->h, StationRect::ADD_TEST).Succeeded()) {
02121     *_stations_nearby_list.Append() = sid;
02122   }
02123 
02124   return false; // We want to include *all* nearby stations
02125 }
02126 
02136 template <class T>
02137 static const T *FindStationsNearby(TileArea ta, bool distant_join)
02138 {
02139   TileArea ctx = ta;
02140 
02141   _stations_nearby_list.Clear();
02142   _deleted_stations_nearby.Clear();
02143 
02144   /* Check the inside, to return, if we sit on another station */
02145   TILE_AREA_LOOP(t, ta) {
02146     if (t < MapSize() && IsTileType(t, MP_STATION) && T::IsValidID(GetStationIndex(t))) return T::GetByTile(t);
02147   }
02148 
02149   /* Look for deleted stations */
02150   const BaseStation *st;
02151   FOR_ALL_BASE_STATIONS(st) {
02152     if (T::IsExpected(st) && !st->IsInUse() && st->owner == _local_company) {
02153       /* Include only within station spread (yes, it is strictly less than) */
02154       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) {
02155         TileAndStation *ts = _deleted_stations_nearby.Append();
02156         ts->tile = st->xy;
02157         ts->station = st->index;
02158 
02159         /* Add the station when it's within where we're going to build */
02160         if (IsInsideBS(TileX(st->xy), TileX(ctx.tile), ctx.w) &&
02161             IsInsideBS(TileY(st->xy), TileY(ctx.tile), ctx.h)) {
02162           AddNearbyStation<T>(st->xy, &ctx);
02163         }
02164       }
02165     }
02166   }
02167 
02168   /* Only search tiles where we have a chance to stay within the station spread.
02169    * The complete check needs to be done in the callback as we don't know the
02170    * extent of the found station, yet. */
02171   if (distant_join && min(ta.w, ta.h) >= _settings_game.station.station_spread) return NULL;
02172   uint max_dist = distant_join ? _settings_game.station.station_spread - min(ta.w, ta.h) : 1;
02173 
02174   TileIndex tile = TILE_ADD(ctx.tile, TileOffsByDir(DIR_N));
02175   CircularTileSearch(&tile, max_dist, ta.w, ta.h, AddNearbyStation<T>, &ctx);
02176 
02177   return NULL;
02178 }
02179 
02180 static const NWidgetPart _nested_select_station_widgets[] = {
02181   NWidget(NWID_HORIZONTAL),
02182     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
02183     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_JS_CAPTION), SetDataTip(STR_JOIN_STATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
02184   EndContainer(),
02185   NWidget(NWID_HORIZONTAL),
02186     NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_JS_PANEL), SetResize(1, 0), SetScrollbar(WID_JS_SCROLLBAR), EndContainer(),
02187     NWidget(NWID_VERTICAL),
02188       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_JS_SCROLLBAR),
02189       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
02190     EndContainer(),
02191   EndContainer(),
02192 };
02193 
02198 template <class T>
02199 struct SelectStationWindow : Window {
02200   CommandContainer select_station_cmd; 
02201   TileArea area; 
02202   Scrollbar *vscroll;
02203 
02204   SelectStationWindow(const WindowDesc *desc, CommandContainer cmd, TileArea ta) :
02205     Window(),
02206     select_station_cmd(cmd),
02207     area(ta)
02208   {
02209     this->CreateNestedTree(desc);
02210     this->vscroll = this->GetScrollbar(WID_JS_SCROLLBAR);
02211     this->GetWidget<NWidgetCore>(WID_JS_CAPTION)->widget_data = T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_JOIN_WAYPOINT_CAPTION : STR_JOIN_STATION_CAPTION;
02212     this->FinishInitNested(desc, 0);
02213     this->OnInvalidateData(0);
02214   }
02215 
02216   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
02217   {
02218     if (widget != WID_JS_PANEL) return;
02219 
02220     /* Determine the widest string */
02221     Dimension d = GetStringBoundingBox(T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_JOIN_WAYPOINT_CREATE_SPLITTED_WAYPOINT : STR_JOIN_STATION_CREATE_SPLITTED_STATION);
02222     for (uint i = 0; i < _stations_nearby_list.Length(); i++) {
02223       const T *st = T::Get(_stations_nearby_list[i]);
02224       SetDParam(0, st->index);
02225       SetDParam(1, st->facilities);
02226       d = maxdim(d, GetStringBoundingBox(T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_STATION_LIST_WAYPOINT : STR_STATION_LIST_STATION));
02227     }
02228 
02229     resize->height = d.height;
02230     d.height *= 5;
02231     d.width += WD_FRAMERECT_RIGHT + WD_FRAMERECT_LEFT;
02232     d.height += WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
02233     *size = d;
02234   }
02235 
02236   virtual void DrawWidget(const Rect &r, int widget) const
02237   {
02238     if (widget != WID_JS_PANEL) return;
02239 
02240     uint y = r.top + WD_FRAMERECT_TOP;
02241     if (this->vscroll->GetPosition() == 0) {
02242       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);
02243       y += this->resize.step_height;
02244     }
02245 
02246     for (uint i = max<uint>(1, this->vscroll->GetPosition()); i <= _stations_nearby_list.Length(); ++i, y += this->resize.step_height) {
02247       /* Don't draw anything if it extends past the end of the window. */
02248       if (i - this->vscroll->GetPosition() >= this->vscroll->GetCapacity()) break;
02249 
02250       const T *st = T::Get(_stations_nearby_list[i - 1]);
02251       SetDParam(0, st->index);
02252       SetDParam(1, st->facilities);
02253       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);
02254     }
02255   }
02256 
02257   virtual void OnClick(Point pt, int widget, int click_count)
02258   {
02259     if (widget != WID_JS_PANEL) return;
02260 
02261     uint st_index = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_JS_PANEL, WD_FRAMERECT_TOP);
02262     bool distant_join = (st_index > 0);
02263     if (distant_join) st_index--;
02264 
02265     if (distant_join && st_index >= _stations_nearby_list.Length()) return;
02266 
02267     /* Insert station to be joined into stored command */
02268     SB(this->select_station_cmd.p2, 16, 16,
02269        (distant_join ? _stations_nearby_list[st_index] : NEW_STATION));
02270 
02271     /* Execute stored Command */
02272     DoCommandP(&this->select_station_cmd);
02273 
02274     /* Close Window; this might cause double frees! */
02275     DeleteWindowById(WC_SELECT_STATION, 0);
02276   }
02277 
02278   virtual void OnTick()
02279   {
02280     if (_thd.dirty & 2) {
02281       _thd.dirty &= ~2;
02282       this->SetDirty();
02283     }
02284   }
02285 
02286   virtual void OnResize()
02287   {
02288     this->vscroll->SetCapacityFromWidget(this, WID_JS_PANEL, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
02289   }
02290 
02296   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
02297   {
02298     if (!gui_scope) return;
02299     FindStationsNearby<T>(this->area, true);
02300     this->vscroll->SetCount(_stations_nearby_list.Length() + 1);
02301     this->SetDirty();
02302   }
02303 };
02304 
02305 static const WindowDesc _select_station_desc(
02306   WDP_AUTO, 200, 180,
02307   WC_SELECT_STATION, WC_NONE,
02308   WDF_CONSTRUCTION,
02309   _nested_select_station_widgets, lengthof(_nested_select_station_widgets)
02310 );
02311 
02312 
02320 template <class T>
02321 static bool StationJoinerNeeded(CommandContainer cmd, TileArea ta)
02322 {
02323   /* Only show selection if distant join is enabled in the settings */
02324   if (!_settings_game.station.distant_join_stations) return false;
02325 
02326   /* If a window is already opened and we didn't ctrl-click,
02327    * return true (i.e. just flash the old window) */
02328   Window *selection_window = FindWindowById(WC_SELECT_STATION, 0);
02329   if (selection_window != NULL) {
02330     /* Abort current distant-join and start new one */
02331     delete selection_window;
02332     UpdateTileSelection();
02333   }
02334 
02335   /* only show the popup, if we press ctrl */
02336   if (!_ctrl_pressed) return false;
02337 
02338   /* Now check if we could build there */
02339   if (DoCommand(&cmd, CommandFlagsToDCFlags(GetCommandFlags(cmd.cmd))).Failed()) return false;
02340 
02341   /* Test for adjacent station or station below selection.
02342    * If adjacent-stations is disabled and we are building next to a station, do not show the selection window.
02343    * but join the other station immediately. */
02344   const T *st = FindStationsNearby<T>(ta, false);
02345   return st == NULL && (_settings_game.station.adjacent_stations || _stations_nearby_list.Length() == 0);
02346 }
02347 
02354 template <class T>
02355 void ShowSelectBaseStationIfNeeded(CommandContainer cmd, TileArea ta)
02356 {
02357   if (StationJoinerNeeded<T>(cmd, ta)) {
02358     if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
02359     new SelectStationWindow<T>(&_select_station_desc, cmd, ta);
02360   } else {
02361     DoCommandP(&cmd);
02362   }
02363 }
02364 
02370 void ShowSelectStationIfNeeded(CommandContainer cmd, TileArea ta)
02371 {
02372   ShowSelectBaseStationIfNeeded<Station>(cmd, ta);
02373 }
02374 
02380 void ShowSelectWaypointIfNeeded(CommandContainer cmd, TileArea ta)
02381 {
02382   ShowSelectBaseStationIfNeeded<Waypoint>(cmd, ta);
02383 }