station_gui.cpp

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00001 /* $Id: station_gui.cpp 22601 2011-06-18 19:43:51Z rubidium $ */
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 
00033 #include "table/strings.h"
00034 
00042 static int DrawCargoListText(uint32 cargo_mask, const Rect &r, StringID prefix)
00043 {
00044   bool first = true;
00045   char string[512];
00046   char *b = string;
00047 
00048   CargoID i;
00049   FOR_EACH_SET_CARGO_ID(i, cargo_mask) {
00050     if (b >= lastof(string) - (1 + 2 * 4)) break; // ',' or ' ' and two calls to Utf8Encode()
00051 
00052     if (first) {
00053       first = false;
00054     } else {
00055       /* Add a comma if this is not the first item */
00056       *b++ = ',';
00057       *b++ = ' ';
00058     }
00059     b = InlineString(b, CargoSpec::Get(i)->name);
00060   }
00061 
00062   /* If first is still true then no cargo is accepted */
00063   if (first) b = InlineString(b, STR_JUST_NOTHING);
00064 
00065   *b = '\0';
00066 
00067   /* Make sure we detect any buffer overflow */
00068   assert(b < endof(string));
00069 
00070   SetDParamStr(0, string);
00071   return DrawStringMultiLine(r.left, r.right, r.top, r.bottom, prefix);
00072 }
00073 
00084 int DrawStationCoverageAreaText(int left, int right, int top, StationCoverageType sct, int rad, bool supplies)
00085 {
00086   TileIndex tile = TileVirtXY(_thd.pos.x, _thd.pos.y);
00087   uint32 cargo_mask = 0;
00088   if (_thd.drawstyle == HT_RECT && tile < MapSize()) {
00089     CargoArray cargos;
00090     if (supplies) {
00091       cargos = GetProductionAroundTiles(tile, _thd.size.x / TILE_SIZE, _thd.size.y / TILE_SIZE, rad);
00092     } else {
00093       cargos = GetAcceptanceAroundTiles(tile, _thd.size.x / TILE_SIZE, _thd.size.y / TILE_SIZE, rad);
00094     }
00095 
00096     /* Convert cargo counts to a set of cargo bits, and draw the result. */
00097     for (CargoID i = 0; i < NUM_CARGO; i++) {
00098       switch (sct) {
00099         case SCT_PASSENGERS_ONLY: if (!IsCargoInClass(i, CC_PASSENGERS)) continue; break;
00100         case SCT_NON_PASSENGERS_ONLY: if (IsCargoInClass(i, CC_PASSENGERS)) continue; break;
00101         case SCT_ALL: break;
00102         default: NOT_REACHED();
00103       }
00104       if (cargos[i] >= (supplies ? 1U : 8U)) SetBit(cargo_mask, i);
00105     }
00106   }
00107   Rect r = {left, top, right, INT32_MAX};
00108   return DrawCargoListText(cargo_mask, r, supplies ? STR_STATION_BUILD_SUPPLIES_CARGO : STR_STATION_BUILD_ACCEPTS_CARGO);
00109 }
00110 
00116 void CheckRedrawStationCoverage(const Window *w)
00117 {
00118   if (_thd.dirty & 1) {
00119     _thd.dirty &= ~1;
00120     w->SetDirty();
00121   }
00122 }
00123 
00139 static void StationsWndShowStationRating(int left, int right, int y, CargoID type, uint amount, byte rating)
00140 {
00141   static const uint units_full  = 576; 
00142   static const uint rating_full = 224; 
00143 
00144   const CargoSpec *cs = CargoSpec::Get(type);
00145   if (!cs->IsValid()) return;
00146 
00147   int colour = cs->rating_colour;
00148   uint w = (minu(amount, units_full) + 5) / 36;
00149 
00150   int height = GetCharacterHeight(FS_SMALL);
00151 
00152   /* Draw total cargo (limited) on station (fits into 16 pixels) */
00153   if (w != 0) GfxFillRect(left, y, left + w - 1, y + height, colour);
00154 
00155   /* Draw a one pixel-wide bar of additional cargo meter, useful
00156    * for stations with only a small amount (<=30) */
00157   if (w == 0) {
00158     uint rest = amount / 5;
00159     if (rest != 0) {
00160       w += left;
00161       GfxFillRect(w, y + height - rest, w, y + height, colour);
00162     }
00163   }
00164 
00165   DrawString(left + 1, right, y, cs->abbrev, TC_BLACK);
00166 
00167   /* Draw green/red ratings bar (fits into 14 pixels) */
00168   y += height + 2;
00169   GfxFillRect(left + 1, y, left + 14, y, 0xB8);
00170   rating = minu(rating, rating_full) / 16;
00171   if (rating != 0) GfxFillRect(left + 1, y, left + rating, y, 0xD0);
00172 }
00173 
00174 typedef GUIList<const Station*> GUIStationList;
00175 
00177 enum StationListWidgets {
00178   SLW_CAPTION,        
00179   SLW_LIST,           
00180   SLW_SCROLLBAR,      
00181 
00182   /* Vehicletypes need to be in order of StationFacility due to bit magic */
00183   SLW_TRAIN,          
00184   SLW_TRUCK,          
00185   SLW_BUS,            
00186   SLW_AIRPLANE,       
00187   SLW_SHIP,           
00188   SLW_FACILALL,       
00189 
00190   SLW_NOCARGOWAITING, 
00191   SLW_CARGOALL,       
00192 
00193   SLW_SORTBY,         
00194   SLW_SORTDROPBTN,    
00195 
00196   SLW_CARGOSTART,     
00197 };
00198 
00202 class CompanyStationsWindow : public Window
00203 {
00204 protected:
00205   /* Runtime saved values */
00206   static Listing last_sorting;
00207   static byte facilities;               // types of stations of interest
00208   static bool include_empty;            // whether we should include stations without waiting cargo
00209   static const uint32 cargo_filter_max;
00210   static uint32 cargo_filter;           // bitmap of cargo types to include
00211   static const Station *last_station;
00212 
00213   /* Constants for sorting stations */
00214   static const StringID sorter_names[];
00215   static GUIStationList::SortFunction * const sorter_funcs[];
00216 
00217   GUIStationList stations;
00218   Scrollbar *vscroll;
00219 
00225   void BuildStationsList(const Owner owner)
00226   {
00227     if (!this->stations.NeedRebuild()) return;
00228 
00229     DEBUG(misc, 3, "Building station list for company %d", owner);
00230 
00231     this->stations.Clear();
00232 
00233     const Station *st;
00234     FOR_ALL_STATIONS(st) {
00235       if (st->owner == owner || (st->owner == OWNER_NONE && HasStationInUse(st->index, true, owner))) {
00236         if (this->facilities & st->facilities) { // only stations with selected facilities
00237           int num_waiting_cargo = 0;
00238           for (CargoID j = 0; j < NUM_CARGO; j++) {
00239             if (HasBit(st->goods[j].acceptance_pickup, GoodsEntry::PICKUP)) {
00240               num_waiting_cargo++; // count number of waiting cargo
00241               if (HasBit(this->cargo_filter, j)) {
00242                 *this->stations.Append() = st;
00243                 break;
00244               }
00245             }
00246           }
00247           /* stations without waiting cargo */
00248           if (num_waiting_cargo == 0 && this->include_empty) {
00249             *this->stations.Append() = st;
00250           }
00251         }
00252       }
00253     }
00254 
00255     this->stations.Compact();
00256     this->stations.RebuildDone();
00257 
00258     this->vscroll->SetCount(this->stations.Length()); // Update the scrollbar
00259   }
00260 
00262   static int CDECL StationNameSorter(const Station * const *a, const Station * const *b)
00263   {
00264     static char buf_cache[64];
00265     char buf[64];
00266 
00267     SetDParam(0, (*a)->index);
00268     GetString(buf, STR_STATION_NAME, lastof(buf));
00269 
00270     if (*b != last_station) {
00271       last_station = *b;
00272       SetDParam(0, (*b)->index);
00273       GetString(buf_cache, STR_STATION_NAME, lastof(buf_cache));
00274     }
00275 
00276     return strcmp(buf, buf_cache);
00277   }
00278 
00280   static int CDECL StationTypeSorter(const Station * const *a, const Station * const *b)
00281   {
00282     return (*a)->facilities - (*b)->facilities;
00283   }
00284 
00286   static int CDECL StationWaitingSorter(const Station * const *a, const Station * const *b)
00287   {
00288     Money diff = 0;
00289 
00290     CargoID j;
00291     FOR_EACH_SET_CARGO_ID(j, cargo_filter) {
00292       if (!(*a)->goods[j].cargo.Empty()) diff += GetTransportedGoodsIncome((*a)->goods[j].cargo.Count(), 20, 50, j);
00293       if (!(*b)->goods[j].cargo.Empty()) diff -= GetTransportedGoodsIncome((*b)->goods[j].cargo.Count(), 20, 50, j);
00294     }
00295 
00296     return ClampToI32(diff);
00297   }
00298 
00300   static int CDECL StationRatingMaxSorter(const Station * const *a, const Station * const *b)
00301   {
00302     byte maxr1 = 0;
00303     byte maxr2 = 0;
00304 
00305     CargoID j;
00306     FOR_EACH_SET_CARGO_ID(j, cargo_filter) {
00307       if (HasBit((*a)->goods[j].acceptance_pickup, GoodsEntry::PICKUP)) maxr1 = max(maxr1, (*a)->goods[j].rating);
00308       if (HasBit((*b)->goods[j].acceptance_pickup, GoodsEntry::PICKUP)) maxr2 = max(maxr2, (*b)->goods[j].rating);
00309     }
00310 
00311     return maxr1 - maxr2;
00312   }
00313 
00315   static int CDECL StationRatingMinSorter(const Station * const *a, const Station * const *b)
00316   {
00317     byte minr1 = 255;
00318     byte minr2 = 255;
00319 
00320     for (CargoID j = 0; j < NUM_CARGO; j++) {
00321       if (!HasBit(cargo_filter, j)) continue;
00322       if (HasBit((*a)->goods[j].acceptance_pickup, GoodsEntry::PICKUP)) minr1 = min(minr1, (*a)->goods[j].rating);
00323       if (HasBit((*b)->goods[j].acceptance_pickup, GoodsEntry::PICKUP)) minr2 = min(minr2, (*b)->goods[j].rating);
00324     }
00325 
00326     return -(minr1 - minr2);
00327   }
00328 
00330   void SortStationsList()
00331   {
00332     if (!this->stations.Sort()) return;
00333 
00334     /* Reset name sorter sort cache */
00335     this->last_station = NULL;
00336 
00337     /* Set the modified widget dirty */
00338     this->SetWidgetDirty(SLW_LIST);
00339   }
00340 
00341 public:
00342   CompanyStationsWindow(const WindowDesc *desc, WindowNumber window_number) : Window()
00343   {
00344     this->stations.SetListing(this->last_sorting);
00345     this->stations.SetSortFuncs(this->sorter_funcs);
00346     this->stations.ForceRebuild();
00347     this->stations.NeedResort();
00348     this->SortStationsList();
00349 
00350     this->CreateNestedTree(desc);
00351     this->vscroll = this->GetScrollbar(SLW_SCROLLBAR);
00352     this->FinishInitNested(desc, window_number);
00353     this->owner = (Owner)this->window_number;
00354 
00355     CargoID cid;
00356     FOR_EACH_SET_CARGO_ID(cid, this->cargo_filter) {
00357       if (CargoSpec::Get(cid)->IsValid()) this->LowerWidget(SLW_CARGOSTART + cid);
00358     }
00359 
00360     if (this->cargo_filter == this->cargo_filter_max) this->cargo_filter = _cargo_mask;
00361 
00362     for (uint i = 0; i < 5; i++) {
00363       if (HasBit(this->facilities, i)) this->LowerWidget(i + SLW_TRAIN);
00364     }
00365     this->SetWidgetLoweredState(SLW_NOCARGOWAITING, this->include_empty);
00366 
00367     this->GetWidget<NWidgetCore>(SLW_SORTDROPBTN)->widget_data = this->sorter_names[this->stations.SortType()];
00368   }
00369 
00370   ~CompanyStationsWindow()
00371   {
00372     this->last_sorting = this->stations.GetListing();
00373   }
00374 
00375   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00376   {
00377     switch (widget) {
00378       case SLW_SORTBY: {
00379         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
00380         d.width += padding.width + WD_SORTBUTTON_ARROW_WIDTH * 2; // Doubled since the string is centred and it also looks better.
00381         d.height += padding.height;
00382         *size = maxdim(*size, d);
00383         break;
00384       }
00385 
00386       case SLW_SORTDROPBTN: {
00387         Dimension d = {0, 0};
00388         for (int i = 0; this->sorter_names[i] != INVALID_STRING_ID; i++) {
00389           d = maxdim(d, GetStringBoundingBox(this->sorter_names[i]));
00390         }
00391         d.width += padding.width;
00392         d.height += padding.height;
00393         *size = maxdim(*size, d);
00394         break;
00395       }
00396 
00397       case SLW_LIST:
00398         resize->height = FONT_HEIGHT_NORMAL;
00399         size->height = WD_FRAMERECT_TOP + 5 * resize->height + WD_FRAMERECT_BOTTOM;
00400         break;
00401 
00402       case SLW_TRAIN:
00403       case SLW_TRUCK:
00404       case SLW_BUS:
00405       case SLW_AIRPLANE:
00406       case SLW_SHIP:
00407         size->height = max<uint>(FONT_HEIGHT_SMALL, 10) + padding.height;
00408         break;
00409 
00410       case SLW_CARGOALL:
00411       case SLW_FACILALL:
00412       case SLW_NOCARGOWAITING: {
00413         Dimension d = GetStringBoundingBox(widget == SLW_NOCARGOWAITING ? STR_ABBREV_NONE : STR_ABBREV_ALL);
00414         d.width  += padding.width + 2;
00415         d.height += padding.height;
00416         *size = maxdim(*size, d);
00417         break;
00418       }
00419 
00420       default:
00421         if (widget >= SLW_CARGOSTART) {
00422           const CargoSpec *cs = CargoSpec::Get(widget - SLW_CARGOSTART);
00423           if (cs->IsValid()) {
00424             Dimension d = GetStringBoundingBox(cs->abbrev);
00425             d.width  += padding.width + 2;
00426             d.height += padding.height;
00427             *size = maxdim(*size, d);
00428           }
00429         }
00430         break;
00431     }
00432   }
00433 
00434   virtual void OnPaint()
00435   {
00436     this->BuildStationsList((Owner)this->window_number);
00437     this->SortStationsList();
00438 
00439     this->DrawWidgets();
00440   }
00441 
00442   virtual void DrawWidget(const Rect &r, int widget) const
00443   {
00444     switch (widget) {
00445       case SLW_SORTBY:
00446         /* draw arrow pointing up/down for ascending/descending sorting */
00447         this->DrawSortButtonState(SLW_SORTBY, this->stations.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
00448         break;
00449 
00450       case SLW_LIST: {
00451         bool rtl = _current_text_dir == TD_RTL;
00452         int max = min(this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->stations.Length());
00453         int y = r.top + WD_FRAMERECT_TOP;
00454         for (int i = this->vscroll->GetPosition(); i < max; ++i) { // do until max number of stations of owner
00455           const Station *st = this->stations[i];
00456           assert(st->xy != INVALID_TILE);
00457 
00458           /* Do not do the complex check HasStationInUse here, it may be even false
00459            * when the order had been removed and the station list hasn't been removed yet */
00460           assert(st->owner == owner || st->owner == OWNER_NONE);
00461 
00462           SetDParam(0, st->index);
00463           SetDParam(1, st->facilities);
00464           int x = DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_LIST_STATION);
00465           x += rtl ? -5 : 5;
00466 
00467           /* show cargo waiting and station ratings */
00468           for (CargoID j = 0; j < NUM_CARGO; j++) {
00469             if (!st->goods[j].cargo.Empty()) {
00470               /* For RTL we work in exactly the opposite direction. So
00471                * decrement the space needed first, then draw to the left
00472                * instead of drawing to the left and then incrementing
00473                * the space. */
00474               if (rtl) {
00475                 x -= 20;
00476                 if (x < r.left + WD_FRAMERECT_LEFT) break;
00477               }
00478               StationsWndShowStationRating(x, x + 16, y, j, st->goods[j].cargo.Count(), st->goods[j].rating);
00479               if (!rtl) {
00480                 x += 20;
00481                 if (x > r.right - WD_FRAMERECT_RIGHT) break;
00482               }
00483             }
00484           }
00485           y += FONT_HEIGHT_NORMAL;
00486         }
00487 
00488         if (this->vscroll->GetCount() == 0) { // company has no stations
00489           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_LIST_NONE);
00490           return;
00491         }
00492         break;
00493       }
00494 
00495       case SLW_NOCARGOWAITING: {
00496         int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
00497         DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_NONE, TC_BLACK, SA_HOR_CENTER);
00498         break;
00499       }
00500 
00501       case SLW_CARGOALL: {
00502         int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
00503         DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_ALL, TC_BLACK, SA_HOR_CENTER);
00504         break;
00505       }
00506 
00507       case SLW_FACILALL: {
00508         int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
00509         DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_ALL, TC_BLACK);
00510         break;
00511       }
00512 
00513       default:
00514         if (widget >= SLW_CARGOSTART) {
00515           const CargoSpec *cs = CargoSpec::Get(widget - SLW_CARGOSTART);
00516           if (cs->IsValid()) {
00517             int cg_ofst = HasBit(this->cargo_filter, cs->Index()) ? 2 : 1;
00518             GfxFillRect(r.left + cg_ofst, r.top + cg_ofst, r.right - 2 + cg_ofst, r.bottom - 2 + cg_ofst, cs->rating_colour);
00519             DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, cs->abbrev, TC_BLACK, SA_HOR_CENTER);
00520           }
00521         }
00522         break;
00523     }
00524   }
00525 
00526   virtual void SetStringParameters(int widget) const
00527   {
00528     if (widget == SLW_CAPTION) {
00529       SetDParam(0, this->window_number);
00530       SetDParam(1, this->vscroll->GetCount());
00531     }
00532   }
00533 
00534   virtual void OnClick(Point pt, int widget, int click_count)
00535   {
00536     switch (widget) {
00537       case SLW_LIST: {
00538         uint id_v = this->vscroll->GetScrolledRowFromWidget(pt.y, this, SLW_LIST, 0, FONT_HEIGHT_NORMAL);
00539         if (id_v >= this->stations.Length()) return; // click out of list bound
00540 
00541         const Station *st = this->stations[id_v];
00542         /* do not check HasStationInUse - it is slow and may be invalid */
00543         assert(st->owner == (Owner)this->window_number || st->owner == OWNER_NONE);
00544 
00545         if (_ctrl_pressed) {
00546           ShowExtraViewPortWindow(st->xy);
00547         } else {
00548           ScrollMainWindowToTile(st->xy);
00549         }
00550         break;
00551       }
00552 
00553       case SLW_TRAIN:
00554       case SLW_TRUCK:
00555       case SLW_BUS:
00556       case SLW_AIRPLANE:
00557       case SLW_SHIP:
00558         if (_ctrl_pressed) {
00559           ToggleBit(this->facilities, widget - SLW_TRAIN);
00560           this->ToggleWidgetLoweredState(widget);
00561         } else {
00562           uint i;
00563           FOR_EACH_SET_BIT(i, this->facilities) {
00564             this->RaiseWidget(i + SLW_TRAIN);
00565           }
00566           this->facilities = 1 << (widget - SLW_TRAIN);
00567           this->LowerWidget(widget);
00568         }
00569         this->stations.ForceRebuild();
00570         this->SetDirty();
00571         break;
00572 
00573       case SLW_FACILALL:
00574         for (uint i = SLW_TRAIN; i <= SLW_SHIP; i++) {
00575           this->LowerWidget(i);
00576         }
00577 
00578         this->facilities = FACIL_TRAIN | FACIL_TRUCK_STOP | FACIL_BUS_STOP | FACIL_AIRPORT | FACIL_DOCK;
00579         this->stations.ForceRebuild();
00580         this->SetDirty();
00581         break;
00582 
00583       case SLW_CARGOALL: {
00584         for (uint i = 0; i < NUM_CARGO; i++) {
00585           const CargoSpec *cs = CargoSpec::Get(i);
00586           if (cs->IsValid()) this->LowerWidget(SLW_CARGOSTART + i);
00587         }
00588         this->LowerWidget(SLW_NOCARGOWAITING);
00589 
00590         this->cargo_filter = _cargo_mask;
00591         this->include_empty = true;
00592         this->stations.ForceRebuild();
00593         this->SetDirty();
00594         break;
00595       }
00596 
00597       case SLW_SORTBY: // flip sorting method asc/desc
00598         this->stations.ToggleSortOrder();
00599         this->flags4 |= WF_TIMEOUT_BEGIN;
00600         this->LowerWidget(SLW_SORTBY);
00601         this->SetDirty();
00602         break;
00603 
00604       case SLW_SORTDROPBTN: // select sorting criteria dropdown menu
00605         ShowDropDownMenu(this, this->sorter_names, this->stations.SortType(), SLW_SORTDROPBTN, 0, 0);
00606         break;
00607 
00608       case SLW_NOCARGOWAITING:
00609         if (_ctrl_pressed) {
00610           this->include_empty = !this->include_empty;
00611           this->ToggleWidgetLoweredState(SLW_NOCARGOWAITING);
00612         } else {
00613           for (uint i = 0; i < NUM_CARGO; i++) {
00614             const CargoSpec *cs = CargoSpec::Get(i);
00615             if (cs->IsValid()) this->RaiseWidget(SLW_CARGOSTART + i);
00616           }
00617 
00618           this->cargo_filter = 0;
00619           this->include_empty = true;
00620 
00621           this->LowerWidget(SLW_NOCARGOWAITING);
00622         }
00623         this->stations.ForceRebuild();
00624         this->SetDirty();
00625         break;
00626 
00627       default:
00628         if (widget >= SLW_CARGOSTART) { // change cargo_filter
00629           /* Determine the selected cargo type */
00630           const CargoSpec *cs = CargoSpec::Get(widget - SLW_CARGOSTART);
00631           if (!cs->IsValid()) break;
00632 
00633           if (_ctrl_pressed) {
00634             ToggleBit(this->cargo_filter, cs->Index());
00635             this->ToggleWidgetLoweredState(widget);
00636           } else {
00637             for (uint i = 0; i < NUM_CARGO; i++) {
00638               const CargoSpec *cs = CargoSpec::Get(i);
00639               if (cs->IsValid()) this->RaiseWidget(SLW_CARGOSTART + i);
00640             }
00641             this->RaiseWidget(SLW_NOCARGOWAITING);
00642 
00643             this->cargo_filter = 0;
00644             this->include_empty = false;
00645 
00646             SetBit(this->cargo_filter, cs->Index());
00647             this->LowerWidget(widget);
00648           }
00649           this->stations.ForceRebuild();
00650           this->SetDirty();
00651         }
00652         break;
00653     }
00654   }
00655 
00656   virtual void OnDropdownSelect(int widget, int index)
00657   {
00658     if (this->stations.SortType() != index) {
00659       this->stations.SetSortType(index);
00660 
00661       /* Display the current sort variant */
00662       this->GetWidget<NWidgetCore>(SLW_SORTDROPBTN)->widget_data = this->sorter_names[this->stations.SortType()];
00663 
00664       this->SetDirty();
00665     }
00666   }
00667 
00668   virtual void OnTick()
00669   {
00670     if (_pause_mode != PM_UNPAUSED) return;
00671     if (this->stations.NeedResort()) {
00672       DEBUG(misc, 3, "Periodic rebuild station list company %d", this->window_number);
00673       this->SetDirty();
00674     }
00675   }
00676 
00677   virtual void OnTimeout()
00678   {
00679     this->RaiseWidget(SLW_SORTBY);
00680     this->SetDirty();
00681   }
00682 
00683   virtual void OnResize()
00684   {
00685     this->vscroll->SetCapacityFromWidget(this, SLW_LIST, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
00686   }
00687 
00693   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00694   {
00695     if (data == 0) {
00696       /* This needs to be done in command-scope to enforce rebuilding before resorting invalid data */
00697       this->stations.ForceRebuild();
00698     } else {
00699       this->stations.ForceResort();
00700     }
00701   }
00702 };
00703 
00704 Listing CompanyStationsWindow::last_sorting = {false, 0};
00705 byte CompanyStationsWindow::facilities = FACIL_TRAIN | FACIL_TRUCK_STOP | FACIL_BUS_STOP | FACIL_AIRPORT | FACIL_DOCK;
00706 bool CompanyStationsWindow::include_empty = true;
00707 const uint32 CompanyStationsWindow::cargo_filter_max = UINT32_MAX;
00708 uint32 CompanyStationsWindow::cargo_filter = UINT32_MAX;
00709 const Station *CompanyStationsWindow::last_station = NULL;
00710 
00711 /* Availible station sorting functions */
00712 GUIStationList::SortFunction * const CompanyStationsWindow::sorter_funcs[] = {
00713   &StationNameSorter,
00714   &StationTypeSorter,
00715   &StationWaitingSorter,
00716   &StationRatingMaxSorter,
00717   &StationRatingMinSorter
00718 };
00719 
00720 /* Names of the sorting functions */
00721 const StringID CompanyStationsWindow::sorter_names[] = {
00722   STR_SORT_BY_NAME,
00723   STR_SORT_BY_FACILITY,
00724   STR_SORT_BY_WAITING,
00725   STR_SORT_BY_RATING_MAX,
00726   STR_SORT_BY_RATING_MIN,
00727   INVALID_STRING_ID
00728 };
00729 
00735 static NWidgetBase *CargoWidgets(int *biggest_index)
00736 {
00737   NWidgetHorizontal *container = new NWidgetHorizontal();
00738 
00739   for (uint i = 0; i < NUM_CARGO; i++) {
00740     const CargoSpec *cs = CargoSpec::Get(i);
00741     if (cs->IsValid()) {
00742       NWidgetBackground *panel = new NWidgetBackground(WWT_PANEL, COLOUR_GREY, SLW_CARGOSTART + i);
00743       panel->SetMinimalSize(14, 11);
00744       panel->SetResize(0, 0);
00745       panel->SetFill(0, 1);
00746       panel->SetDataTip(0, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE);
00747       container->Add(panel);
00748     } else {
00749       NWidgetLeaf *nwi = new NWidgetLeaf(WWT_EMPTY, COLOUR_GREY, SLW_CARGOSTART + i, 0x0, STR_NULL);
00750       nwi->SetMinimalSize(0, 11);
00751       nwi->SetResize(0, 0);
00752       nwi->SetFill(0, 1);
00753       container->Add(nwi);
00754     }
00755   }
00756   *biggest_index = SLW_CARGOSTART + NUM_CARGO;
00757   return container;
00758 }
00759 
00760 static const NWidgetPart _nested_company_stations_widgets[] = {
00761   NWidget(NWID_HORIZONTAL),
00762     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
00763     NWidget(WWT_CAPTION, COLOUR_GREY, SLW_CAPTION), SetDataTip(STR_STATION_LIST_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00764     NWidget(WWT_SHADEBOX, COLOUR_GREY),
00765     NWidget(WWT_STICKYBOX, COLOUR_GREY),
00766   EndContainer(),
00767   NWidget(NWID_HORIZONTAL),
00768     NWidget(WWT_TEXTBTN, COLOUR_GREY, SLW_TRAIN), SetMinimalSize(14, 11), SetDataTip(STR_TRAIN, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
00769     NWidget(WWT_TEXTBTN, COLOUR_GREY, SLW_TRUCK), SetMinimalSize(14, 11), SetDataTip(STR_LORRY, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
00770     NWidget(WWT_TEXTBTN, COLOUR_GREY, SLW_BUS), SetMinimalSize(14, 11), SetDataTip(STR_BUS, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
00771     NWidget(WWT_TEXTBTN, COLOUR_GREY, SLW_SHIP), SetMinimalSize(14, 11), SetDataTip(STR_SHIP, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
00772     NWidget(WWT_TEXTBTN, COLOUR_GREY, SLW_AIRPLANE), SetMinimalSize(14, 11), SetDataTip(STR_PLANE, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE), SetFill(0, 1),
00773     NWidget(WWT_PUSHBTN, COLOUR_GREY, SLW_FACILALL), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_SELECT_ALL_FACILITIES), SetFill(0, 1),
00774     NWidget(WWT_PANEL, COLOUR_GREY), SetMinimalSize(5, 11), SetFill(0, 1), EndContainer(),
00775     NWidgetFunction(CargoWidgets),
00776     NWidget(WWT_PANEL, COLOUR_GREY, SLW_NOCARGOWAITING), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_NO_WAITING_CARGO), SetFill(0, 1), EndContainer(),
00777     NWidget(WWT_PUSHBTN, COLOUR_GREY, SLW_CARGOALL), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_SELECT_ALL_TYPES), SetFill(0, 1),
00778     NWidget(WWT_PANEL, COLOUR_GREY), SetDataTip(0x0, STR_NULL), SetResize(1, 0), SetFill(1, 1), EndContainer(),
00779   EndContainer(),
00780   NWidget(NWID_HORIZONTAL),
00781     NWidget(WWT_TEXTBTN, COLOUR_GREY, SLW_SORTBY), SetMinimalSize(81, 12), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
00782     NWidget(WWT_DROPDOWN, COLOUR_GREY, SLW_SORTDROPBTN), SetMinimalSize(163, 12), SetDataTip(STR_SORT_BY_NAME, STR_TOOLTIP_SORT_CRITERIA), // widget_data gets overwritten.
00783     NWidget(WWT_PANEL, COLOUR_GREY), SetDataTip(0x0, STR_NULL), SetResize(1, 0), SetFill(1, 1), EndContainer(),
00784   EndContainer(),
00785   NWidget(NWID_HORIZONTAL),
00786     NWidget(WWT_PANEL, COLOUR_GREY, SLW_LIST), SetMinimalSize(346, 125), SetResize(1, 10), SetDataTip(0x0, STR_STATION_LIST_TOOLTIP), SetScrollbar(SLW_SCROLLBAR), EndContainer(),
00787     NWidget(NWID_VERTICAL),
00788       NWidget(NWID_VSCROLLBAR, COLOUR_GREY, SLW_SCROLLBAR),
00789       NWidget(WWT_RESIZEBOX, COLOUR_GREY),
00790     EndContainer(),
00791   EndContainer(),
00792 };
00793 
00794 static const WindowDesc _company_stations_desc(
00795   WDP_AUTO, 358, 162,
00796   WC_STATION_LIST, WC_NONE,
00797   WDF_UNCLICK_BUTTONS,
00798   _nested_company_stations_widgets, lengthof(_nested_company_stations_widgets)
00799 );
00800 
00806 void ShowCompanyStations(CompanyID company)
00807 {
00808   if (!Company::IsValidID(company)) return;
00809 
00810   AllocateWindowDescFront<CompanyStationsWindow>(&_company_stations_desc, company);
00811 }
00812 
00813 static const NWidgetPart _nested_station_view_widgets[] = {
00814   NWidget(NWID_HORIZONTAL),
00815     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
00816     NWidget(WWT_CAPTION, COLOUR_GREY, SVW_CAPTION), SetDataTip(STR_STATION_VIEW_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00817     NWidget(WWT_SHADEBOX, COLOUR_GREY),
00818     NWidget(WWT_STICKYBOX, COLOUR_GREY),
00819   EndContainer(),
00820   NWidget(NWID_HORIZONTAL),
00821     NWidget(WWT_PANEL, COLOUR_GREY, SVW_WAITING), SetMinimalSize(237, 52), SetResize(1, 10), SetScrollbar(SVW_SCROLLBAR), EndContainer(),
00822     NWidget(NWID_VSCROLLBAR, COLOUR_GREY, SVW_SCROLLBAR),
00823   EndContainer(),
00824   NWidget(WWT_PANEL, COLOUR_GREY, SVW_ACCEPTLIST), SetMinimalSize(249, 32), SetResize(1, 0), EndContainer(),
00825   NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
00826     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SVW_LOCATION), SetMinimalSize(60, 12), SetResize(1, 0), SetFill(1, 1),
00827         SetDataTip(STR_BUTTON_LOCATION, STR_STATION_VIEW_CENTER_TOOLTIP),
00828     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SVW_ACCEPTS), SetMinimalSize(61, 12), SetResize(1, 0), SetFill(1, 1),
00829         SetDataTip(STR_STATION_VIEW_RATINGS_BUTTON, STR_STATION_VIEW_RATINGS_TOOLTIP),
00830     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SVW_RENAME), SetMinimalSize(60, 12), SetResize(1, 0), SetFill(1, 1),
00831         SetDataTip(STR_BUTTON_RENAME, STR_STATION_VIEW_RENAME_TOOLTIP),
00832     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SVW_TRAINS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_TRAIN, STR_STATION_VIEW_SCHEDULED_TRAINS_TOOLTIP),
00833     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SVW_ROADVEHS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_LORRY, STR_STATION_VIEW_SCHEDULED_ROAD_VEHICLES_TOOLTIP),
00834     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SVW_SHIPS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_SHIP, STR_STATION_VIEW_SCHEDULED_SHIPS_TOOLTIP),
00835     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, SVW_PLANES),  SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_PLANE, STR_STATION_VIEW_SCHEDULED_AIRCRAFT_TOOLTIP),
00836     NWidget(WWT_RESIZEBOX, COLOUR_GREY),
00837   EndContainer(),
00838 };
00839 
00850 static void DrawCargoIcons(CargoID i, uint waiting, int left, int right, int y)
00851 {
00852   uint num = min((waiting + 5) / 10, (right - left) / 10); // maximum is width / 10 icons so it won't overflow
00853   if (num == 0) return;
00854 
00855   SpriteID sprite = CargoSpec::Get(i)->GetCargoIcon();
00856 
00857   int x = _current_text_dir == TD_RTL ? right - num * 10 : left;
00858   do {
00859     DrawSprite(sprite, PAL_NONE, x, y);
00860     x += 10;
00861   } while (--num);
00862 }
00863 
00864 struct CargoData {
00865   CargoID cargo;
00866   StationID source;
00867   uint count;
00868 
00869   CargoData(CargoID cargo, StationID source, uint count) :
00870     cargo(cargo),
00871     source(source),
00872     count(count)
00873   { }
00874 };
00875 
00876 typedef std::list<CargoData> CargoDataList;
00877 
00881 struct StationViewWindow : public Window {
00882   uint32 cargo;                 
00883   uint16 cargo_rows[NUM_CARGO]; 
00884   uint expand_shrink_width;     
00885   int rating_lines;             
00886   int accepts_lines;            
00887   Scrollbar *vscroll;
00888 
00890   enum AcceptListHeight {
00891     ALH_RATING  = 13, 
00892     ALH_ACCEPTS = 3,  
00893   };
00894 
00895   StationViewWindow(const WindowDesc *desc, WindowNumber window_number) : Window()
00896   {
00897     this->rating_lines  = ALH_RATING;
00898     this->accepts_lines = ALH_ACCEPTS;
00899 
00900     this->CreateNestedTree(desc);
00901     this->vscroll = this->GetScrollbar(SVW_SCROLLBAR);
00902     /* Nested widget tree creation is done in two steps to ensure that this->GetWidget<NWidgetCore>(SVW_ACCEPTS) exists in UpdateWidgetSize(). */
00903     this->FinishInitNested(desc, window_number);
00904 
00905     Owner owner = Station::Get(window_number)->owner;
00906     if (owner != OWNER_NONE) this->owner = owner;
00907   }
00908 
00909   ~StationViewWindow()
00910   {
00911     Owner owner = Station::Get(this->window_number)->owner;
00912     if (!Company::IsValidID(owner)) owner = _local_company;
00913     if (!Company::IsValidID(owner)) return; // Spectators
00914     DeleteWindowById(WC_TRAINS_LIST,   VehicleListIdentifier(VL_STATION_LIST, VEH_TRAIN,    owner, this->window_number).Pack(), false);
00915     DeleteWindowById(WC_ROADVEH_LIST,  VehicleListIdentifier(VL_STATION_LIST, VEH_ROAD,     owner, this->window_number).Pack(), false);
00916     DeleteWindowById(WC_SHIPS_LIST,    VehicleListIdentifier(VL_STATION_LIST, VEH_SHIP,     owner, this->window_number).Pack(), false);
00917     DeleteWindowById(WC_AIRCRAFT_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_AIRCRAFT, owner, this->window_number).Pack(), false);
00918   }
00919 
00920   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00921   {
00922     switch (widget) {
00923       case SVW_WAITING:
00924         resize->height = FONT_HEIGHT_NORMAL;
00925         size->height = WD_FRAMERECT_TOP + 5 * resize->height + WD_FRAMERECT_BOTTOM;
00926         this->expand_shrink_width = max(GetStringBoundingBox("-").width, GetStringBoundingBox("+").width) + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
00927         break;
00928 
00929       case SVW_ACCEPTLIST:
00930         size->height = WD_FRAMERECT_TOP + ((this->GetWidget<NWidgetCore>(SVW_ACCEPTS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) ? this->accepts_lines : this->rating_lines) * FONT_HEIGHT_NORMAL + WD_FRAMERECT_BOTTOM;
00931         break;
00932     }
00933   }
00934 
00935   virtual void OnPaint()
00936   {
00937     CargoDataList cargolist;
00938     uint32 transfers = 0;
00939     this->OrderWaitingCargo(&cargolist, &transfers);
00940 
00941     this->vscroll->SetCount((int)cargolist.size() + 1); // update scrollbar
00942 
00943     /* disable some buttons */
00944     const Station *st = Station::Get(this->window_number);
00945     this->SetWidgetDisabledState(SVW_RENAME,   st->owner != _local_company);
00946     this->SetWidgetDisabledState(SVW_TRAINS,   !(st->facilities & FACIL_TRAIN));
00947     this->SetWidgetDisabledState(SVW_ROADVEHS, !(st->facilities & FACIL_TRUCK_STOP) && !(st->facilities & FACIL_BUS_STOP));
00948     this->SetWidgetDisabledState(SVW_SHIPS,    !(st->facilities & FACIL_DOCK));
00949     this->SetWidgetDisabledState(SVW_PLANES,   !(st->facilities & FACIL_AIRPORT));
00950 
00951     this->DrawWidgets();
00952 
00953     if (!this->IsShaded()) {
00954       /* Draw 'accepted cargo' or 'cargo ratings'. */
00955       const NWidgetBase *wid = this->GetWidget<NWidgetBase>(SVW_ACCEPTLIST);
00956       const Rect r = {wid->pos_x, wid->pos_y, wid->pos_x + wid->current_x - 1, wid->pos_y + wid->current_y - 1};
00957       if (this->GetWidget<NWidgetCore>(SVW_ACCEPTS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) {
00958         int lines = this->DrawAcceptedCargo(r);
00959         if (lines > this->accepts_lines) { // Resize the widget, and perform re-initialization of the window.
00960           this->accepts_lines = lines;
00961           this->ReInit();
00962           return;
00963         }
00964       } else {
00965         int lines = this->DrawCargoRatings(r);
00966         if (lines > this->rating_lines) { // Resize the widget, and perform re-initialization of the window.
00967           this->rating_lines = lines;
00968           this->ReInit();
00969           return;
00970         }
00971       }
00972 
00973       /* Draw waiting cargo. */
00974       NWidgetBase *nwi = this->GetWidget<NWidgetBase>(SVW_WAITING);
00975       Rect waiting_rect = {nwi->pos_x, nwi->pos_y, nwi->pos_x + nwi->current_x - 1, nwi->pos_y + nwi->current_y - 1};
00976       this->DrawWaitingCargo(waiting_rect, cargolist, transfers);
00977     }
00978   }
00979 
00980   virtual void SetStringParameters(int widget) const
00981   {
00982     if (widget == SVW_CAPTION) {
00983       const Station *st = Station::Get(this->window_number);
00984       SetDParam(0, st->index);
00985       SetDParam(1, st->facilities);
00986     }
00987   }
00988 
00995   void OrderWaitingCargo(CargoDataList *cargolist, uint32 *transfers)
00996   {
00997     assert(cargolist->size() == 0);
00998     *transfers = 0;
00999 
01000     StationID station_id = this->window_number;
01001     const Station *st = Station::Get(station_id);
01002 
01003     /* count types of cargos waiting in station */
01004     for (CargoID i = 0; i < NUM_CARGO; i++) {
01005       if (st->goods[i].cargo.Empty()) {
01006         this->cargo_rows[i] = 0;
01007       } else {
01008         /* Add an entry for total amount of cargo of this type waiting. */
01009         cargolist->push_back(CargoData(i, INVALID_STATION, st->goods[i].cargo.Count()));
01010 
01011         /* Set the row for this cargo entry for the expand/hide button */
01012         this->cargo_rows[i] = (uint16)cargolist->size();
01013 
01014         /* Add an entry for each distinct cargo source. */
01015         const StationCargoList::List *packets = st->goods[i].cargo.Packets();
01016         for (StationCargoList::ConstIterator it(packets->begin()); it != packets->end(); it++) {
01017           const CargoPacket *cp = *it;
01018           if (cp->SourceStation() != station_id) {
01019             bool added = false;
01020 
01021             /* Enable the expand/hide button for this cargo type */
01022             SetBit(*transfers, i);
01023 
01024             /* Don't add cargo lines if not expanded */
01025             if (!HasBit(this->cargo, i)) break;
01026 
01027             /* Check if we already have this source in the list */
01028             for (CargoDataList::iterator jt(cargolist->begin()); jt != cargolist->end(); jt++) {
01029               CargoData *cd = &(*jt);
01030               if (cd->cargo == i && cd->source == cp->SourceStation()) {
01031                 cd->count += cp->Count();
01032                 added = true;
01033                 break;
01034               }
01035             }
01036 
01037             if (!added) cargolist->push_back(CargoData(i, cp->SourceStation(), cp->Count()));
01038           }
01039         }
01040       }
01041     }
01042   }
01043 
01050   void DrawWaitingCargo(const Rect &r, const CargoDataList &cargolist, uint32 transfers) const
01051   {
01052     int y = r.top + WD_FRAMERECT_TOP;
01053     int pos = this->vscroll->GetPosition();
01054 
01055     const Station *st = Station::Get(this->window_number);
01056     if (--pos < 0) {
01057       StringID str = STR_JUST_NOTHING;
01058       for (CargoID i = 0; i < NUM_CARGO; i++) {
01059         if (!st->goods[i].cargo.Empty()) str = STR_EMPTY;
01060       }
01061       SetDParam(0, str);
01062       DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_VIEW_WAITING_TITLE);
01063       y += FONT_HEIGHT_NORMAL;
01064     }
01065 
01066     bool rtl = _current_text_dir == TD_RTL;
01067     int text_left    = rtl ? r.left + this->expand_shrink_width : r.left + WD_FRAMERECT_LEFT;
01068     int text_right   = rtl ? r.right - WD_FRAMERECT_LEFT : r.right - this->expand_shrink_width;
01069     int shrink_left  = rtl ? r.left + WD_FRAMERECT_LEFT : r.right - this->expand_shrink_width + WD_FRAMERECT_LEFT;
01070     int shrink_right = rtl ? r.left + this->expand_shrink_width - WD_FRAMERECT_RIGHT : r.right - WD_FRAMERECT_RIGHT;
01071 
01072 
01073     int maxrows = this->vscroll->GetCapacity();
01074     for (CargoDataList::const_iterator it = cargolist.begin(); it != cargolist.end() && pos > -maxrows; ++it) {
01075       if (--pos < 0) {
01076         const CargoData *cd = &(*it);
01077         if (cd->source == INVALID_STATION) {
01078           /* Heading */
01079           DrawCargoIcons(cd->cargo, cd->count, r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y);
01080           SetDParam(0, cd->cargo);
01081           SetDParam(1, cd->count);
01082           if (HasBit(transfers, cd->cargo)) {
01083             /* This cargo has transfers waiting so show the expand or shrink 'button' */
01084             const char *sym = HasBit(this->cargo, cd->cargo) ? "-" : "+";
01085             DrawString(text_left, text_right, y, STR_STATION_VIEW_WAITING_CARGO, TC_FROMSTRING, SA_RIGHT);
01086             DrawString(shrink_left, shrink_right, y, sym, TC_YELLOW, SA_RIGHT);
01087           } else {
01088             DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_VIEW_WAITING_CARGO, TC_FROMSTRING, SA_RIGHT);
01089           }
01090         } else {
01091           SetDParam(0, cd->cargo);
01092           SetDParam(1, cd->count);
01093           SetDParam(2, cd->source);
01094           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_VIEW_EN_ROUTE_FROM, TC_FROMSTRING, SA_RIGHT);
01095         }
01096 
01097         y += FONT_HEIGHT_NORMAL;
01098       }
01099     }
01100   }
01101 
01107   int DrawAcceptedCargo(const Rect &r) const
01108   {
01109     const Station *st = Station::Get(this->window_number);
01110 
01111     uint32 cargo_mask = 0;
01112     for (CargoID i = 0; i < NUM_CARGO; i++) {
01113       if (HasBit(st->goods[i].acceptance_pickup, GoodsEntry::ACCEPTANCE)) SetBit(cargo_mask, i);
01114     }
01115     Rect s = {r.left + WD_FRAMERECT_LEFT, r.top + WD_FRAMERECT_TOP, r.right - WD_FRAMERECT_RIGHT, INT32_MAX};
01116     int bottom = DrawCargoListText(cargo_mask, s, STR_STATION_VIEW_ACCEPTS_CARGO);
01117     return CeilDiv(bottom - r.top - WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL);
01118   }
01119 
01125   int DrawCargoRatings(const Rect &r) const
01126   {
01127     const Station *st = Station::Get(this->window_number);
01128     int y = r.top + WD_FRAMERECT_TOP;
01129 
01130     DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_VIEW_CARGO_RATINGS_TITLE);
01131     y += FONT_HEIGHT_NORMAL;
01132 
01133     const CargoSpec *cs;
01134     FOR_ALL_SORTED_STANDARD_CARGOSPECS(cs) {
01135       const GoodsEntry *ge = &st->goods[cs->Index()];
01136       if (!HasBit(ge->acceptance_pickup, GoodsEntry::PICKUP)) continue;
01137 
01138       SetDParam(0, cs->name);
01139       SetDParam(2, ToPercent8(ge->rating));
01140       SetDParam(1, STR_CARGO_RATING_APPALLING + (ge->rating >> 5));
01141       DrawString(r.left + WD_FRAMERECT_LEFT + 6, r.right - WD_FRAMERECT_RIGHT - 6, y, STR_STATION_VIEW_CARGO_RATING);
01142       y += FONT_HEIGHT_NORMAL;
01143     }
01144     return CeilDiv(y - r.top - WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL);
01145   }
01146 
01147   void HandleCargoWaitingClick(int row)
01148   {
01149     if (row == 0) return;
01150 
01151     for (CargoID c = 0; c < NUM_CARGO; c++) {
01152       if (this->cargo_rows[c] == row) {
01153         ToggleBit(this->cargo, c);
01154         this->SetWidgetDirty(SVW_WAITING);
01155         break;
01156       }
01157     }
01158   }
01159 
01160   virtual void OnClick(Point pt, int widget, int click_count)
01161   {
01162     switch (widget) {
01163       case SVW_WAITING:
01164         this->HandleCargoWaitingClick(this->vscroll->GetScrolledRowFromWidget(pt.y, this, SVW_WAITING, WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL));
01165         break;
01166 
01167       case SVW_LOCATION:
01168         if (_ctrl_pressed) {
01169           ShowExtraViewPortWindow(Station::Get(this->window_number)->xy);
01170         } else {
01171           ScrollMainWindowToTile(Station::Get(this->window_number)->xy);
01172         }
01173         break;
01174 
01175       case SVW_RATINGS: {
01176         /* Swap between 'accepts' and 'ratings' view. */
01177         int height_change;
01178         NWidgetCore *nwi = this->GetWidget<NWidgetCore>(SVW_RATINGS);
01179         if (this->GetWidget<NWidgetCore>(SVW_RATINGS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) {
01180           nwi->SetDataTip(STR_STATION_VIEW_ACCEPTS_BUTTON, STR_STATION_VIEW_ACCEPTS_TOOLTIP); // Switch to accepts view.
01181           height_change = this->rating_lines - this->accepts_lines;
01182         } else {
01183           nwi->SetDataTip(STR_STATION_VIEW_RATINGS_BUTTON, STR_STATION_VIEW_RATINGS_TOOLTIP); // Switch to ratings view.
01184           height_change = this->accepts_lines - this->rating_lines;
01185         }
01186         this->ReInit(0, height_change * FONT_HEIGHT_NORMAL);
01187         break;
01188       }
01189 
01190       case SVW_RENAME:
01191         SetDParam(0, this->window_number);
01192         ShowQueryString(STR_STATION_NAME, STR_STATION_VIEW_RENAME_STATION_CAPTION, MAX_LENGTH_STATION_NAME_CHARS, MAX_LENGTH_STATION_NAME_PIXELS,
01193             this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT | QSF_LEN_IN_CHARS);
01194         break;
01195 
01196       case SVW_TRAINS:   // Show list of scheduled trains to this station
01197       case SVW_ROADVEHS: // Show list of scheduled road-vehicles to this station
01198       case SVW_SHIPS:    // Show list of scheduled ships to this station
01199       case SVW_PLANES:   // Show list of scheduled aircraft to this station
01200         ShowVehicleListWindow(this->owner, (VehicleType)(widget - SVW_TRAINS), (StationID)this->window_number);
01201         break;
01202     }
01203   }
01204 
01205   virtual void OnQueryTextFinished(char *str)
01206   {
01207     if (str == NULL) return;
01208 
01209     DoCommandP(0, this->window_number, 0, CMD_RENAME_STATION | CMD_MSG(STR_ERROR_CAN_T_RENAME_STATION), NULL, str);
01210   }
01211 
01212   virtual void OnResize()
01213   {
01214     this->vscroll->SetCapacityFromWidget(this, SVW_WAITING, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
01215   }
01216 };
01217 
01218 
01219 static const WindowDesc _station_view_desc(
01220   WDP_AUTO, 249, 110,
01221   WC_STATION_VIEW, WC_NONE,
01222   WDF_UNCLICK_BUTTONS,
01223   _nested_station_view_widgets, lengthof(_nested_station_view_widgets)
01224 );
01225 
01231 void ShowStationViewWindow(StationID station)
01232 {
01233   AllocateWindowDescFront<StationViewWindow>(&_station_view_desc, station);
01234 }
01235 
01237 struct TileAndStation {
01238   TileIndex tile;    
01239   StationID station; 
01240 };
01241 
01242 static SmallVector<TileAndStation, 8> _deleted_stations_nearby;
01243 static SmallVector<StationID, 8> _stations_nearby_list;
01244 
01252 template <class T>
01253 static bool AddNearbyStation(TileIndex tile, void *user_data)
01254 {
01255   TileArea *ctx = (TileArea *)user_data;
01256 
01257   /* First check if there were deleted stations here */
01258   for (uint i = 0; i < _deleted_stations_nearby.Length(); i++) {
01259     TileAndStation *ts = _deleted_stations_nearby.Get(i);
01260     if (ts->tile == tile) {
01261       *_stations_nearby_list.Append() = _deleted_stations_nearby[i].station;
01262       _deleted_stations_nearby.Erase(ts);
01263       i--;
01264     }
01265   }
01266 
01267   /* Check if own station and if we stay within station spread */
01268   if (!IsTileType(tile, MP_STATION)) return false;
01269 
01270   StationID sid = GetStationIndex(tile);
01271 
01272   /* This station is (likely) a waypoint */
01273   if (!T::IsValidID(sid)) return false;
01274 
01275   T *st = T::Get(sid);
01276   if (st->owner != _local_company || _stations_nearby_list.Contains(sid)) return false;
01277 
01278   if (st->rect.BeforeAddRect(ctx->tile, ctx->w, ctx->h, StationRect::ADD_TEST).Succeeded()) {
01279     *_stations_nearby_list.Append() = sid;
01280   }
01281 
01282   return false; // We want to include *all* nearby stations
01283 }
01284 
01294 template <class T>
01295 static const T *FindStationsNearby(TileArea ta, bool distant_join)
01296 {
01297   TileArea ctx = ta;
01298 
01299   _stations_nearby_list.Clear();
01300   _deleted_stations_nearby.Clear();
01301 
01302   /* Check the inside, to return, if we sit on another station */
01303   TILE_AREA_LOOP(t, ta) {
01304     if (t < MapSize() && IsTileType(t, MP_STATION) && T::IsValidID(GetStationIndex(t))) return T::GetByTile(t);
01305   }
01306 
01307   /* Look for deleted stations */
01308   const BaseStation *st;
01309   FOR_ALL_BASE_STATIONS(st) {
01310     if (T::IsExpected(st) && !st->IsInUse() && st->owner == _local_company) {
01311       /* Include only within station spread (yes, it is strictly less than) */
01312       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) {
01313         TileAndStation *ts = _deleted_stations_nearby.Append();
01314         ts->tile = st->xy;
01315         ts->station = st->index;
01316 
01317         /* Add the station when it's within where we're going to build */
01318         if (IsInsideBS(TileX(st->xy), TileX(ctx.tile), ctx.w) &&
01319             IsInsideBS(TileY(st->xy), TileY(ctx.tile), ctx.h)) {
01320           AddNearbyStation<T>(st->xy, &ctx);
01321         }
01322       }
01323     }
01324   }
01325 
01326   /* Only search tiles where we have a chance to stay within the station spread.
01327    * The complete check needs to be done in the callback as we don't know the
01328    * extent of the found station, yet. */
01329   if (distant_join && min(ta.w, ta.h) >= _settings_game.station.station_spread) return NULL;
01330   uint max_dist = distant_join ? _settings_game.station.station_spread - min(ta.w, ta.h) : 1;
01331 
01332   TileIndex tile = TILE_ADD(ctx.tile, TileOffsByDir(DIR_N));
01333   CircularTileSearch(&tile, max_dist, ta.w, ta.h, AddNearbyStation<T>, &ctx);
01334 
01335   return NULL;
01336 }
01337 
01338 enum JoinStationWidgets {
01339   JSW_WIDGET_CAPTION,
01340   JSW_PANEL,
01341   JSW_SCROLLBAR,
01342 };
01343 
01344 static const NWidgetPart _nested_select_station_widgets[] = {
01345   NWidget(NWID_HORIZONTAL),
01346     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01347     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, JSW_WIDGET_CAPTION), SetDataTip(STR_JOIN_STATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01348   EndContainer(),
01349   NWidget(NWID_HORIZONTAL),
01350     NWidget(WWT_PANEL, COLOUR_DARK_GREEN, JSW_PANEL), SetResize(1, 0), SetScrollbar(JSW_SCROLLBAR), EndContainer(),
01351     NWidget(NWID_VERTICAL),
01352       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, JSW_SCROLLBAR),
01353       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01354     EndContainer(),
01355   EndContainer(),
01356 };
01357 
01362 template <class T>
01363 struct SelectStationWindow : Window {
01364   CommandContainer select_station_cmd; 
01365   TileArea area; 
01366   Scrollbar *vscroll;
01367 
01368   SelectStationWindow(const WindowDesc *desc, CommandContainer cmd, TileArea ta) :
01369     Window(),
01370     select_station_cmd(cmd),
01371     area(ta)
01372   {
01373     this->CreateNestedTree(desc);
01374     this->vscroll = this->GetScrollbar(JSW_SCROLLBAR);
01375     this->GetWidget<NWidgetCore>(JSW_WIDGET_CAPTION)->widget_data = T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_JOIN_WAYPOINT_CAPTION : STR_JOIN_STATION_CAPTION;
01376     this->FinishInitNested(desc, 0);
01377     this->OnInvalidateData(0);
01378   }
01379 
01380   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01381   {
01382     if (widget != JSW_PANEL) return;
01383 
01384     /* Determine the widest string */
01385     Dimension d = GetStringBoundingBox(T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_JOIN_WAYPOINT_CREATE_SPLITTED_WAYPOINT : STR_JOIN_STATION_CREATE_SPLITTED_STATION);
01386     for (uint i = 0; i < _stations_nearby_list.Length(); i++) {
01387       const T *st = T::Get(_stations_nearby_list[i]);
01388       SetDParam(0, st->index);
01389       SetDParam(1, st->facilities);
01390       d = maxdim(d, GetStringBoundingBox(T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_STATION_LIST_WAYPOINT : STR_STATION_LIST_STATION));
01391     }
01392 
01393     resize->height = d.height;
01394     d.height *= 5;
01395     d.width += WD_FRAMERECT_RIGHT + WD_FRAMERECT_LEFT;
01396     d.height += WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
01397     *size = d;
01398   }
01399 
01400   virtual void DrawWidget(const Rect &r, int widget) const
01401   {
01402     if (widget != JSW_PANEL) return;
01403 
01404     uint y = r.top + WD_FRAMERECT_TOP;
01405     if (this->vscroll->GetPosition() == 0) {
01406       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);
01407       y += this->resize.step_height;
01408     }
01409 
01410     for (uint i = max<uint>(1, this->vscroll->GetPosition()); i <= _stations_nearby_list.Length(); ++i, y += this->resize.step_height) {
01411       /* Don't draw anything if it extends past the end of the window. */
01412       if (i - this->vscroll->GetPosition() >= this->vscroll->GetCapacity()) break;
01413 
01414       const T *st = T::Get(_stations_nearby_list[i - 1]);
01415       SetDParam(0, st->index);
01416       SetDParam(1, st->facilities);
01417       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);
01418     }
01419   }
01420 
01421   virtual void OnClick(Point pt, int widget, int click_count)
01422   {
01423     if (widget != JSW_PANEL) return;
01424 
01425     uint st_index = this->vscroll->GetScrolledRowFromWidget(pt.y, this, JSW_PANEL, WD_FRAMERECT_TOP);
01426     bool distant_join = (st_index > 0);
01427     if (distant_join) st_index--;
01428 
01429     if (distant_join && st_index >= _stations_nearby_list.Length()) return;
01430 
01431     /* Insert station to be joined into stored command */
01432     SB(this->select_station_cmd.p2, 16, 16,
01433        (distant_join ? _stations_nearby_list[st_index] : NEW_STATION));
01434 
01435     /* Execute stored Command */
01436     DoCommandP(&this->select_station_cmd);
01437 
01438     /* Close Window; this might cause double frees! */
01439     DeleteWindowById(WC_SELECT_STATION, 0);
01440   }
01441 
01442   virtual void OnTick()
01443   {
01444     if (_thd.dirty & 2) {
01445       _thd.dirty &= ~2;
01446       this->SetDirty();
01447     }
01448   }
01449 
01450   virtual void OnResize()
01451   {
01452     this->vscroll->SetCapacityFromWidget(this, JSW_PANEL, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
01453   }
01454 
01460   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01461   {
01462     if (!gui_scope) return;
01463     FindStationsNearby<T>(this->area, true);
01464     this->vscroll->SetCount(_stations_nearby_list.Length() + 1);
01465     this->SetDirty();
01466   }
01467 };
01468 
01469 static const WindowDesc _select_station_desc(
01470   WDP_AUTO, 200, 180,
01471   WC_SELECT_STATION, WC_NONE,
01472   WDF_CONSTRUCTION,
01473   _nested_select_station_widgets, lengthof(_nested_select_station_widgets)
01474 );
01475 
01476 
01484 template <class T>
01485 static bool StationJoinerNeeded(CommandContainer cmd, TileArea ta)
01486 {
01487   /* Only show selection if distant join is enabled in the settings */
01488   if (!_settings_game.station.distant_join_stations) return false;
01489 
01490   /* If a window is already opened and we didn't ctrl-click,
01491    * return true (i.e. just flash the old window) */
01492   Window *selection_window = FindWindowById(WC_SELECT_STATION, 0);
01493   if (selection_window != NULL) {
01494     /* Abort current distant-join and start new one */
01495     delete selection_window;
01496     UpdateTileSelection();
01497   }
01498 
01499   /* only show the popup, if we press ctrl */
01500   if (!_ctrl_pressed) return false;
01501 
01502   /* Now check if we could build there */
01503   if (DoCommand(&cmd, CommandFlagsToDCFlags(GetCommandFlags(cmd.cmd))).Failed()) return false;
01504 
01505   /* Test for adjacent station or station below selection.
01506    * If adjacent-stations is disabled and we are building next to a station, do not show the selection window.
01507    * but join the other station immediately. */
01508   const T *st = FindStationsNearby<T>(ta, false);
01509   return st == NULL && (_settings_game.station.adjacent_stations || _stations_nearby_list.Length() == 0);
01510 }
01511 
01518 template <class T>
01519 void ShowSelectBaseStationIfNeeded(CommandContainer cmd, TileArea ta)
01520 {
01521   if (StationJoinerNeeded<T>(cmd, ta)) {
01522     if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
01523     new SelectStationWindow<T>(&_select_station_desc, cmd, ta);
01524   } else {
01525     DoCommandP(&cmd);
01526   }
01527 }
01528 
01534 void ShowSelectStationIfNeeded(CommandContainer cmd, TileArea ta)
01535 {
01536   ShowSelectBaseStationIfNeeded<Station>(cmd, ta);
01537 }
01538 
01544 void ShowSelectWaypointIfNeeded(CommandContainer cmd, TileArea ta)
01545 {
01546   ShowSelectBaseStationIfNeeded<Waypoint>(cmd, ta);
01547 }