# station_gui.cpp

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    00001 /* $Id$ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
    00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00012 #include "stdafx.h"
    00013 #include "debug.h"
    00014 #include "gui.h"
    00015 #include "textbuf_gui.h"
    00016 #include "company_func.h"
    00017 #include "command_func.h"
    00018 #include "vehicle_gui.h"
    00019 #include "cargotype.h"
    00020 #include "station_gui.h"
    00021 #include "strings_func.h"
    00022 #include "window_func.h"
    00023 #include "viewport_func.h"
    00024 #include "widgets/dropdown_func.h"
    00025 #include "station_base.h"
    00026 #include "waypoint_base.h"
    00027 #include "tilehighlight_func.h"
    00028 #include "company_base.h"
    00029 #include "sortlist_type.h"
    00030 #include "core/geometry_func.hpp"
    00031 #include "vehiclelist.h"
    00032 #include "town.h"
    00033
    00034 #include "widgets/station_widget.h"
    00035
    00036 #include "table/strings.h"
    00037
    00038 #include <set>
    00039 #include <vector>
    00040
    00051 int DrawStationCoverageAreaText(int left, int right, int top, StationCoverageType sct, int rad, bool supplies)
    00052 {
    00053   TileIndex tile = TileVirtXY(_thd.pos.x, _thd.pos.y);
    00054   uint32 cargo_mask = 0;
    00055   if (_thd.drawstyle == HT_RECT && tile < MapSize()) {
    00056     CargoArray cargoes;
    00057     if (supplies) {
    00058       cargoes = GetProductionAroundTiles(tile, _thd.size.x / TILE_SIZE, _thd.size.y / TILE_SIZE, rad);
    00059     } else {
    00060       cargoes = GetAcceptanceAroundTiles(tile, _thd.size.x / TILE_SIZE, _thd.size.y / TILE_SIZE, rad);
    00061     }
    00062
    00063     /* Convert cargo counts to a set of cargo bits, and draw the result. */
    00064     for (CargoID i = 0; i < NUM_CARGO; i++) {
    00065       switch (sct) {
    00066         case SCT_PASSENGERS_ONLY: if (!IsCargoInClass(i, CC_PASSENGERS)) continue; break;
    00067         case SCT_NON_PASSENGERS_ONLY: if (IsCargoInClass(i, CC_PASSENGERS)) continue; break;
    00068         case SCT_ALL: break;
    00069         default: NOT_REACHED();
    00070       }
    00071       if (cargoes[i] >= (supplies ? 1U : 8U)) SetBit(cargo_mask, i);
    00072     }
    00073   }
    00074   SetDParam(0, cargo_mask);
    00075   return DrawStringMultiLine(left, right, top, INT32_MAX, supplies ? STR_STATION_BUILD_SUPPLIES_CARGO : STR_STATION_BUILD_ACCEPTS_CARGO);
    00076 }
    00077
    00083 void CheckRedrawStationCoverage(const Window *w)
    00084 {
    00085   if (_thd.dirty & 1) {
    00086     _thd.dirty &= ~1;
    00087     w->SetDirty();
    00088   }
    00089 }
    00090
    00106 static void StationsWndShowStationRating(int left, int right, int y, CargoID type, uint amount, byte rating)
    00107 {
    00108   static const uint units_full  = 576;
    00109   static const uint rating_full = 224;
    00110
    00111   const CargoSpec *cs = CargoSpec::Get(type);
    00112   if (!cs->IsValid()) return;
    00113
    00114   int colour = cs->rating_colour;
    00115   TextColour tc = GetContrastColour(colour);
    00116   uint w = (minu(amount, units_full) + 5) / 36;
    00117
    00118   int height = GetCharacterHeight(FS_SMALL);
    00119
    00120   /* Draw total cargo (limited) on station (fits into 16 pixels) */
    00121   if (w != 0) GfxFillRect(left, y, left + w - 1, y + height, colour);
    00122
    00123   /* Draw a one pixel-wide bar of additional cargo meter, useful
    00124    * for stations with only a small amount (<=30) */
    00125   if (w == 0) {
    00126     uint rest = amount / 5;
    00127     if (rest != 0) {
    00128       w += left;
    00129       GfxFillRect(w, y + height - rest, w, y + height, colour);
    00130     }
    00131   }
    00132
    00133   DrawString(left + 1, right, y, cs->abbrev, tc);
    00134
    00135   /* Draw green/red ratings bar (fits into 14 pixels) */
    00136   y += height + 2;
    00137   GfxFillRect(left + 1, y, left + 14, y, PC_RED);
    00138   rating = minu(rating, rating_full) / 16;
    00139   if (rating != 0) GfxFillRect(left + 1, y, left + rating, y, PC_GREEN);
    00140 }
    00141
    00142 typedef GUIList<const Station*> GUIStationList;
    00143
    00147 class CompanyStationsWindow : public Window
    00148 {
    00149 protected:
    00150   /* Runtime saved values */
    00151   static Listing last_sorting;
    00152   static byte facilities;               // types of stations of interest
    00153   static bool include_empty;            // whether we should include stations without waiting cargo
    00154   static const uint32 cargo_filter_max;
    00155   static uint32 cargo_filter;           // bitmap of cargo types to include
    00156   static const Station *last_station;
    00157
    00158   /* Constants for sorting stations */
    00159   static const StringID sorter_names[];
    00160   static GUIStationList::SortFunction * const sorter_funcs[];
    00161
    00162   GUIStationList stations;
    00163   Scrollbar *vscroll;
    00164
    00170   void BuildStationsList(const Owner owner)
    00171   {
    00172     if (!this->stations.NeedRebuild()) return;
    00173
    00174     DEBUG(misc, 3, "Building station list for company %d", owner);
    00175
    00176     this->stations.Clear();
    00177
    00178     const Station *st;
    00179     FOR_ALL_STATIONS(st) {
    00180       if (st->owner == owner || (st->owner == OWNER_NONE && HasStationInUse(st->index, true, owner))) {
    00181         if (this->facilities & st->facilities) { // only stations with selected facilities
    00182           int num_waiting_cargo = 0;
    00183           for (CargoID j = 0; j < NUM_CARGO; j++) {
    00184             if (HasBit(st->goods[j].acceptance_pickup, GoodsEntry::GES_PICKUP)) {
    00185               num_waiting_cargo++; // count number of waiting cargo
    00186               if (HasBit(this->cargo_filter, j)) {
    00187                 *this->stations.Append() = st;
    00188                 break;
    00189               }
    00190             }
    00191           }
    00192           /* stations without waiting cargo */
    00193           if (num_waiting_cargo == 0 && this->include_empty) {
    00194             *this->stations.Append() = st;
    00195           }
    00196         }
    00197       }
    00198     }
    00199
    00200     this->stations.Compact();
    00201     this->stations.RebuildDone();
    00202
    00203     this->vscroll->SetCount(this->stations.Length()); // Update the scrollbar
    00204   }
    00205
    00207   static int CDECL StationNameSorter(const Station * const *a, const Station * const *b)
    00208   {
    00209     static char buf_cache[64];
    00210     char buf[64];
    00211
    00212     SetDParam(0, (*a)->index);
    00213     GetString(buf, STR_STATION_NAME, lastof(buf));
    00214
    00215     if (*b != last_station) {
    00216       last_station = *b;
    00217       SetDParam(0, (*b)->index);
    00218       GetString(buf_cache, STR_STATION_NAME, lastof(buf_cache));
    00219     }
    00220
    00221     return strcmp(buf, buf_cache);
    00222   }
    00223
    00225   static int CDECL StationTypeSorter(const Station * const *a, const Station * const *b)
    00226   {
    00227     return (*a)->facilities - (*b)->facilities;
    00228   }
    00229
    00231   static int CDECL StationWaitingSorter(const Station * const *a, const Station * const *b)
    00232   {
    00233     Money diff = 0;
    00234
    00235     CargoID j;
    00236     FOR_EACH_SET_CARGO_ID(j, cargo_filter) {
    00237       if (!(*a)->goods[j].cargo.Empty()) diff += GetTransportedGoodsIncome((*a)->goods[j].cargo.Count(), 20, 50, j);
    00238       if (!(*b)->goods[j].cargo.Empty()) diff -= GetTransportedGoodsIncome((*b)->goods[j].cargo.Count(), 20, 50, j);
    00239     }
    00240
    00241     return ClampToI32(diff);
    00242   }
    00243
    00245   static int CDECL StationRatingMaxSorter(const Station * const *a, const Station * const *b)
    00246   {
    00247     byte maxr1 = 0;
    00248     byte maxr2 = 0;
    00249
    00250     CargoID j;
    00251     FOR_EACH_SET_CARGO_ID(j, cargo_filter) {
    00252       if (HasBit((*a)->goods[j].acceptance_pickup, GoodsEntry::GES_PICKUP)) maxr1 = max(maxr1, (*a)->goods[j].rating);
    00253       if (HasBit((*b)->goods[j].acceptance_pickup, GoodsEntry::GES_PICKUP)) maxr2 = max(maxr2, (*b)->goods[j].rating);
    00254     }
    00255
    00256     return maxr1 - maxr2;
    00257   }
    00258
    00260   static int CDECL StationRatingMinSorter(const Station * const *a, const Station * const *b)
    00261   {
    00262     byte minr1 = 255;
    00263     byte minr2 = 255;
    00264
    00265     for (CargoID j = 0; j < NUM_CARGO; j++) {
    00266       if (!HasBit(cargo_filter, j)) continue;
    00267       if (HasBit((*a)->goods[j].acceptance_pickup, GoodsEntry::GES_PICKUP)) minr1 = min(minr1, (*a)->goods[j].rating);
    00268       if (HasBit((*b)->goods[j].acceptance_pickup, GoodsEntry::GES_PICKUP)) minr2 = min(minr2, (*b)->goods[j].rating);
    00269     }
    00270
    00271     return -(minr1 - minr2);
    00272   }
    00273
    00275   void SortStationsList()
    00276   {
    00277     if (!this->stations.Sort()) return;
    00278
    00279     /* Reset name sorter sort cache */
    00280     this->last_station = NULL;
    00281
    00282     /* Set the modified widget dirty */
    00283     this->SetWidgetDirty(WID_STL_LIST);
    00284   }
    00285
    00286 public:
    00287   CompanyStationsWindow(const WindowDesc *desc, WindowNumber window_number) : Window()
    00288   {
    00289     this->stations.SetListing(this->last_sorting);
    00290     this->stations.SetSortFuncs(this->sorter_funcs);
    00291     this->stations.ForceRebuild();
    00292     this->stations.NeedResort();
    00293     this->SortStationsList();
    00294
    00295     this->CreateNestedTree(desc);
    00296     this->vscroll = this->GetScrollbar(WID_STL_SCROLLBAR);
    00297     this->FinishInitNested(desc, window_number);
    00298     this->owner = (Owner)this->window_number;
    00299
    00300     const CargoSpec *cs;
    00301     FOR_ALL_SORTED_STANDARD_CARGOSPECS(cs) {
    00302       if (!HasBit(this->cargo_filter, cs->Index())) continue;
    00303       this->LowerWidget(WID_STL_CARGOSTART + index);
    00304     }
    00305
    00306     if (this->cargo_filter == this->cargo_filter_max) this->cargo_filter = _cargo_mask;
    00307
    00308     for (uint i = 0; i < 5; i++) {
    00309       if (HasBit(this->facilities, i)) this->LowerWidget(i + WID_STL_TRAIN);
    00310     }
    00311     this->SetWidgetLoweredState(WID_STL_NOCARGOWAITING, this->include_empty);
    00312
    00313     this->GetWidget<NWidgetCore>(WID_STL_SORTDROPBTN)->widget_data = this->sorter_names[this->stations.SortType()];
    00314   }
    00315
    00316   ~CompanyStationsWindow()
    00317   {
    00318     this->last_sorting = this->stations.GetListing();
    00319   }
    00320
    00321   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00322   {
    00323     switch (widget) {
    00324       case WID_STL_SORTBY: {
    00325         Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
    00326         d.width += padding.width + WD_SORTBUTTON_ARROW_WIDTH * 2; // Doubled since the string is centred and it also looks better.
    00327         d.height += padding.height;
    00328         *size = maxdim(*size, d);
    00329         break;
    00330       }
    00331
    00332       case WID_STL_SORTDROPBTN: {
    00333         Dimension d = {0, 0};
    00334         for (int i = 0; this->sorter_names[i] != INVALID_STRING_ID; i++) {
    00335           d = maxdim(d, GetStringBoundingBox(this->sorter_names[i]));
    00336         }
    00337         d.width += padding.width;
    00338         d.height += padding.height;
    00339         *size = maxdim(*size, d);
    00340         break;
    00341       }
    00342
    00343       case WID_STL_LIST:
    00344         resize->height = FONT_HEIGHT_NORMAL;
    00345         size->height = WD_FRAMERECT_TOP + 5 * resize->height + WD_FRAMERECT_BOTTOM;
    00346         break;
    00347
    00348       case WID_STL_TRAIN:
    00349       case WID_STL_TRUCK:
    00350       case WID_STL_BUS:
    00351       case WID_STL_AIRPLANE:
    00352       case WID_STL_SHIP:
    00353         size->height = max<uint>(FONT_HEIGHT_SMALL, 10) + padding.height;
    00354         break;
    00355
    00356       case WID_STL_CARGOALL:
    00357       case WID_STL_FACILALL:
    00358       case WID_STL_NOCARGOWAITING: {
    00359         Dimension d = GetStringBoundingBox(widget == WID_STL_NOCARGOWAITING ? STR_ABBREV_NONE : STR_ABBREV_ALL);
    00360         d.width  += padding.width + 2;
    00361         d.height += padding.height;
    00362         *size = maxdim(*size, d);
    00363         break;
    00364       }
    00365
    00366       default:
    00367         if (widget >= WID_STL_CARGOSTART) {
    00368           Dimension d = GetStringBoundingBox(_sorted_cargo_specs[widget - WID_STL_CARGOSTART]->abbrev);
    00369           d.width  += padding.width + 2;
    00370           d.height += padding.height;
    00371           *size = maxdim(*size, d);
    00372         }
    00373         break;
    00374     }
    00375   }
    00376
    00377   virtual void OnPaint()
    00378   {
    00379     this->BuildStationsList((Owner)this->window_number);
    00380     this->SortStationsList();
    00381
    00382     this->DrawWidgets();
    00383   }
    00384
    00385   virtual void DrawWidget(const Rect &r, int widget) const
    00386   {
    00387     switch (widget) {
    00388       case WID_STL_SORTBY:
    00389         /* draw arrow pointing up/down for ascending/descending sorting */
    00390         this->DrawSortButtonState(WID_STL_SORTBY, this->stations.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
    00391         break;
    00392
    00393       case WID_STL_LIST: {
    00394         bool rtl = _current_text_dir == TD_RTL;
    00395         int max = min(this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->stations.Length());
    00396         int y = r.top + WD_FRAMERECT_TOP;
    00397         for (int i = this->vscroll->GetPosition(); i < max; ++i) { // do until max number of stations of owner
    00398           const Station *st = this->stations[i];
    00399           assert(st->xy != INVALID_TILE);
    00400
    00401           /* Do not do the complex check HasStationInUse here, it may be even false
    00402            * when the order had been removed and the station list hasn't been removed yet */
    00403           assert(st->owner == owner || st->owner == OWNER_NONE);
    00404
    00405           SetDParam(0, st->index);
    00406           SetDParam(1, st->facilities);
    00407           int x = DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_LIST_STATION);
    00408           x += rtl ? -5 : 5;
    00409
    00410           /* show cargo waiting and station ratings */
    00411           for (uint j = 0; j < _sorted_standard_cargo_specs_size; j++) {
    00412             CargoID cid = _sorted_cargo_specs[j]->Index();
    00413             if (!st->goods[cid].cargo.Empty()) {
    00414               /* For RTL we work in exactly the opposite direction. So
    00415                * decrement the space needed first, then draw to the left
    00416                * instead of drawing to the left and then incrementing
    00417                * the space. */
    00418               if (rtl) {
    00419                 x -= 20;
    00420                 if (x < r.left + WD_FRAMERECT_LEFT) break;
    00421               }
    00422               StationsWndShowStationRating(x, x + 16, y, cid, st->goods[cid].cargo.Count(), st->goods[cid].rating);
    00423               if (!rtl) {
    00424                 x += 20;
    00425                 if (x > r.right - WD_FRAMERECT_RIGHT) break;
    00426               }
    00427             }
    00428           }
    00429           y += FONT_HEIGHT_NORMAL;
    00430         }
    00431
    00432         if (this->vscroll->GetCount() == 0) { // company has no stations
    00433           DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_LIST_NONE);
    00434           return;
    00435         }
    00436         break;
    00437       }
    00438
    00439       case WID_STL_NOCARGOWAITING: {
    00440         int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
    00441         DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_NONE, TC_BLACK, SA_HOR_CENTER);
    00442         break;
    00443       }
    00444
    00445       case WID_STL_CARGOALL: {
    00446         int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
    00447         DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_ALL, TC_BLACK, SA_HOR_CENTER);
    00448         break;
    00449       }
    00450
    00451       case WID_STL_FACILALL: {
    00452         int cg_ofst = this->IsWidgetLowered(widget) ? 2 : 1;
    00453         DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, STR_ABBREV_ALL, TC_BLACK);
    00454         break;
    00455       }
    00456
    00457       default:
    00458         if (widget >= WID_STL_CARGOSTART) {
    00459           const CargoSpec *cs = _sorted_cargo_specs[widget - WID_STL_CARGOSTART];
    00460           int cg_ofst = HasBit(this->cargo_filter, cs->Index()) ? 2 : 1;
    00461           GfxFillRect(r.left + cg_ofst, r.top + cg_ofst, r.right - 2 + cg_ofst, r.bottom - 2 + cg_ofst, cs->rating_colour);
    00462           TextColour tc = GetContrastColour(cs->rating_colour);
    00463           DrawString(r.left + cg_ofst, r.right + cg_ofst, r.top + cg_ofst, cs->abbrev, tc, SA_HOR_CENTER);
    00464         }
    00465         break;
    00466     }
    00467   }
    00468
    00469   virtual void SetStringParameters(int widget) const
    00470   {
    00471     if (widget == WID_STL_CAPTION) {
    00472       SetDParam(0, this->window_number);
    00473       SetDParam(1, this->vscroll->GetCount());
    00474     }
    00475   }
    00476
    00477   virtual void OnClick(Point pt, int widget, int click_count)
    00478   {
    00479     switch (widget) {
    00480       case WID_STL_LIST: {
    00481         uint id_v = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_STL_LIST, 0, FONT_HEIGHT_NORMAL);
    00482         if (id_v >= this->stations.Length()) return; // click out of list bound
    00483
    00484         const Station *st = this->stations[id_v];
    00485         /* do not check HasStationInUse - it is slow and may be invalid */
    00486         assert(st->owner == (Owner)this->window_number || st->owner == OWNER_NONE);
    00487
    00488         if (_ctrl_pressed) {
    00489           ShowExtraViewPortWindow(st->xy);
    00490         } else {
    00491           ScrollMainWindowToTile(st->xy);
    00492         }
    00493         break;
    00494       }
    00495
    00496       case WID_STL_TRAIN:
    00497       case WID_STL_TRUCK:
    00498       case WID_STL_BUS:
    00499       case WID_STL_AIRPLANE:
    00500       case WID_STL_SHIP:
    00501         if (_ctrl_pressed) {
    00502           ToggleBit(this->facilities, widget - WID_STL_TRAIN);
    00503           this->ToggleWidgetLoweredState(widget);
    00504         } else {
    00505           uint i;
    00506           FOR_EACH_SET_BIT(i, this->facilities) {
    00507             this->RaiseWidget(i + WID_STL_TRAIN);
    00508           }
    00509           this->facilities = 1 << (widget - WID_STL_TRAIN);
    00510           this->LowerWidget(widget);
    00511         }
    00512         this->stations.ForceRebuild();
    00513         this->SetDirty();
    00514         break;
    00515
    00516       case WID_STL_FACILALL:
    00517         for (uint i = WID_STL_TRAIN; i <= WID_STL_SHIP; i++) {
    00518           this->LowerWidget(i);
    00519         }
    00520
    00521         this->facilities = FACIL_TRAIN | FACIL_TRUCK_STOP | FACIL_BUS_STOP | FACIL_AIRPORT | FACIL_DOCK;
    00522         this->stations.ForceRebuild();
    00523         this->SetDirty();
    00524         break;
    00525
    00526       case WID_STL_CARGOALL: {
    00527         for (uint i = 0; i < _sorted_standard_cargo_specs_size; i++) {
    00528           this->LowerWidget(WID_STL_CARGOSTART + i);
    00529         }
    00530         this->LowerWidget(WID_STL_NOCARGOWAITING);
    00531
    00532         this->cargo_filter = _cargo_mask;
    00533         this->include_empty = true;
    00534         this->stations.ForceRebuild();
    00535         this->SetDirty();
    00536         break;
    00537       }
    00538
    00539       case WID_STL_SORTBY: // flip sorting method asc/desc
    00540         this->stations.ToggleSortOrder();
    00541         this->SetDirty();
    00542         break;
    00543
    00544       case WID_STL_SORTDROPBTN: // select sorting criteria dropdown menu
    00545         ShowDropDownMenu(this, this->sorter_names, this->stations.SortType(), WID_STL_SORTDROPBTN, 0, 0);
    00546         break;
    00547
    00548       case WID_STL_NOCARGOWAITING:
    00549         if (_ctrl_pressed) {
    00550           this->include_empty = !this->include_empty;
    00551           this->ToggleWidgetLoweredState(WID_STL_NOCARGOWAITING);
    00552         } else {
    00553           for (uint i = 0; i < _sorted_standard_cargo_specs_size; i++) {
    00554             this->RaiseWidget(WID_STL_CARGOSTART + i);
    00555           }
    00556
    00557           this->cargo_filter = 0;
    00558           this->include_empty = true;
    00559
    00560           this->LowerWidget(WID_STL_NOCARGOWAITING);
    00561         }
    00562         this->stations.ForceRebuild();
    00563         this->SetDirty();
    00564         break;
    00565
    00566       default:
    00567         if (widget >= WID_STL_CARGOSTART) { // change cargo_filter
    00568           /* Determine the selected cargo type */
    00569           const CargoSpec *cs = _sorted_cargo_specs[widget - WID_STL_CARGOSTART];
    00570
    00571           if (_ctrl_pressed) {
    00572             ToggleBit(this->cargo_filter, cs->Index());
    00573             this->ToggleWidgetLoweredState(widget);
    00574           } else {
    00575             for (uint i = 0; i < _sorted_standard_cargo_specs_size; i++) {
    00576               this->RaiseWidget(WID_STL_CARGOSTART + i);
    00577             }
    00578             this->RaiseWidget(WID_STL_NOCARGOWAITING);
    00579
    00580             this->cargo_filter = 0;
    00581             this->include_empty = false;
    00582
    00583             SetBit(this->cargo_filter, cs->Index());
    00584             this->LowerWidget(widget);
    00585           }
    00586           this->stations.ForceRebuild();
    00587           this->SetDirty();
    00588         }
    00589         break;
    00590     }
    00591   }
    00592
    00593   virtual void OnDropdownSelect(int widget, int index)
    00594   {
    00595     if (this->stations.SortType() != index) {
    00596       this->stations.SetSortType(index);
    00597
    00598       /* Display the current sort variant */
    00599       this->GetWidget<NWidgetCore>(WID_STL_SORTDROPBTN)->widget_data = this->sorter_names[this->stations.SortType()];
    00600
    00601       this->SetDirty();
    00602     }
    00603   }
    00604
    00605   virtual void OnTick()
    00606   {
    00607     if (_pause_mode != PM_UNPAUSED) return;
    00608     if (this->stations.NeedResort()) {
    00609       DEBUG(misc, 3, "Periodic rebuild station list company %d", this->window_number);
    00610       this->SetDirty();
    00611     }
    00612   }
    00613
    00614   virtual void OnResize()
    00615   {
    00616     this->vscroll->SetCapacityFromWidget(this, WID_STL_LIST, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
    00617   }
    00618
    00624   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00625   {
    00626     if (data == 0) {
    00627       /* This needs to be done in command-scope to enforce rebuilding before resorting invalid data */
    00628       this->stations.ForceRebuild();
    00629     } else {
    00630       this->stations.ForceResort();
    00631     }
    00632   }
    00633 };
    00634
    00635 Listing CompanyStationsWindow::last_sorting = {false, 0};
    00636 byte CompanyStationsWindow::facilities = FACIL_TRAIN | FACIL_TRUCK_STOP | FACIL_BUS_STOP | FACIL_AIRPORT | FACIL_DOCK;
    00637 bool CompanyStationsWindow::include_empty = true;
    00638 const uint32 CompanyStationsWindow::cargo_filter_max = UINT32_MAX;
    00639 uint32 CompanyStationsWindow::cargo_filter = UINT32_MAX;
    00640 const Station *CompanyStationsWindow::last_station = NULL;
    00641
    00642 /* Availible station sorting functions */
    00643 GUIStationList::SortFunction * const CompanyStationsWindow::sorter_funcs[] = {
    00644   &StationNameSorter,
    00645   &StationTypeSorter,
    00646   &StationWaitingSorter,
    00647   &StationRatingMaxSorter,
    00648   &StationRatingMinSorter
    00649 };
    00650
    00651 /* Names of the sorting functions */
    00652 const StringID CompanyStationsWindow::sorter_names[] = {
    00653   STR_SORT_BY_NAME,
    00654   STR_SORT_BY_FACILITY,
    00655   STR_SORT_BY_WAITING,
    00656   STR_SORT_BY_RATING_MAX,
    00657   STR_SORT_BY_RATING_MIN,
    00658   INVALID_STRING_ID
    00659 };
    00660
    00666 static NWidgetBase *CargoWidgets(int *biggest_index)
    00667 {
    00668   NWidgetHorizontal *container = new NWidgetHorizontal();
    00669
    00670   for (uint i = 0; i < _sorted_standard_cargo_specs_size; i++) {
    00671     NWidgetBackground *panel = new NWidgetBackground(WWT_PANEL, COLOUR_GREY, WID_STL_CARGOSTART + i);
    00672     panel->SetMinimalSize(14, 11);
    00673     panel->SetResize(0, 0);
    00674     panel->SetFill(0, 1);
    00675     panel->SetDataTip(0, STR_STATION_LIST_USE_CTRL_TO_SELECT_MORE);
    00676     container->Add(panel);
    00677   }
    00678   *biggest_index = WID_STL_CARGOSTART + _sorted_standard_cargo_specs_size;
    00679   return container;
    00680 }
    00681
    00682 static const NWidgetPart _nested_company_stations_widgets[] = {
    00683   NWidget(NWID_HORIZONTAL),
    00684     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00685     NWidget(WWT_CAPTION, COLOUR_GREY, WID_STL_CAPTION), SetDataTip(STR_STATION_LIST_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00686     NWidget(WWT_SHADEBOX, COLOUR_GREY),
    00687     NWidget(WWT_STICKYBOX, COLOUR_GREY),
    00688   EndContainer(),
    00689   NWidget(NWID_HORIZONTAL),
    00690     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),
    00691     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),
    00692     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),
    00693     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),
    00694     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),
    00695     NWidget(WWT_PUSHBTN, COLOUR_GREY, WID_STL_FACILALL), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_SELECT_ALL_FACILITIES), SetFill(0, 1),
    00696     NWidget(WWT_PANEL, COLOUR_GREY), SetMinimalSize(5, 11), SetFill(0, 1), EndContainer(),
    00697     NWidgetFunction(CargoWidgets),
    00698     NWidget(WWT_PANEL, COLOUR_GREY, WID_STL_NOCARGOWAITING), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_NO_WAITING_CARGO), SetFill(0, 1), EndContainer(),
    00699     NWidget(WWT_PUSHBTN, COLOUR_GREY, WID_STL_CARGOALL), SetMinimalSize(14, 11), SetDataTip(0x0, STR_STATION_LIST_SELECT_ALL_TYPES), SetFill(0, 1),
    00700     NWidget(WWT_PANEL, COLOUR_GREY), SetDataTip(0x0, STR_NULL), SetResize(1, 0), SetFill(1, 1), EndContainer(),
    00701   EndContainer(),
    00702   NWidget(NWID_HORIZONTAL),
    00703     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_STL_SORTBY), SetMinimalSize(81, 12), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
    00704     NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_STL_SORTDROPBTN), SetMinimalSize(163, 12), SetDataTip(STR_SORT_BY_NAME, STR_TOOLTIP_SORT_CRITERIA), // widget_data gets overwritten.
    00705     NWidget(WWT_PANEL, COLOUR_GREY), SetDataTip(0x0, STR_NULL), SetResize(1, 0), SetFill(1, 1), EndContainer(),
    00706   EndContainer(),
    00707   NWidget(NWID_HORIZONTAL),
    00708     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(),
    00709     NWidget(NWID_VERTICAL),
    00710       NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_STL_SCROLLBAR),
    00711       NWidget(WWT_RESIZEBOX, COLOUR_GREY),
    00712     EndContainer(),
    00713   EndContainer(),
    00714 };
    00715
    00716 static const WindowDesc _company_stations_desc(
    00717   WDP_AUTO, 358, 162,
    00718   WC_STATION_LIST, WC_NONE,
    00719   0,
    00720   _nested_company_stations_widgets, lengthof(_nested_company_stations_widgets)
    00721 );
    00722
    00728 void ShowCompanyStations(CompanyID company)
    00729 {
    00730   if (!Company::IsValidID(company)) return;
    00731
    00732   AllocateWindowDescFront<CompanyStationsWindow>(&_company_stations_desc, company);
    00733 }
    00734
    00735 static const NWidgetPart _nested_station_view_widgets[] = {
    00736   NWidget(NWID_HORIZONTAL),
    00737     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00738     NWidget(WWT_CAPTION, COLOUR_GREY, WID_SV_CAPTION), SetDataTip(STR_STATION_VIEW_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00739     NWidget(WWT_SHADEBOX, COLOUR_GREY),
    00740     NWidget(WWT_STICKYBOX, COLOUR_GREY),
    00741   EndContainer(),
    00742   NWidget(NWID_HORIZONTAL),
    00743     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_SORT_ORDER), SetMinimalSize(81, 12), SetFill(1, 1), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
    00744     NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_SV_SORT_BY), SetMinimalSize(168, 12), SetResize(1, 0), SetFill(0, 1), SetDataTip(0x0, STR_TOOLTIP_SORT_CRITERIA),
    00745   EndContainer(),
    00746   NWidget(NWID_HORIZONTAL),
    00747     NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_SV_GROUP), SetMinimalSize(81, 12), SetFill(1, 1), SetDataTip(STR_STATION_VIEW_GROUP, 0x0),
    00748     NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_SV_GROUP_BY), SetMinimalSize(168, 12), SetResize(1, 0), SetFill(0, 1), SetDataTip(0x0, STR_TOOLTIP_GROUP_ORDER),
    00749   EndContainer(),
    00750   NWidget(NWID_HORIZONTAL),
    00751     NWidget(WWT_PANEL, COLOUR_GREY, WID_SV_WAITING), SetMinimalSize(237, 44), SetResize(1, 10), SetScrollbar(WID_SV_SCROLLBAR), EndContainer(),
    00752     NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_SV_SCROLLBAR),
    00753   EndContainer(),
    00754   NWidget(WWT_PANEL, COLOUR_GREY, WID_SV_ACCEPT_RATING_LIST), SetMinimalSize(249, 23), SetResize(1, 0), EndContainer(),
    00755   NWidget(NWID_HORIZONTAL),
    00756     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    00757       NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_LOCATION), SetMinimalSize(45, 12), SetResize(1, 0), SetFill(1, 1),
    00758           SetDataTip(STR_BUTTON_LOCATION, STR_STATION_VIEW_CENTER_TOOLTIP),
    00759       NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_ACCEPTS_RATINGS), SetMinimalSize(46, 12), SetResize(1, 0), SetFill(1, 1),
    00760           SetDataTip(STR_STATION_VIEW_RATINGS_BUTTON, STR_STATION_VIEW_RATINGS_TOOLTIP),
    00761       NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_RENAME), SetMinimalSize(45, 12), SetResize(1, 0), SetFill(1, 1),
    00762           SetDataTip(STR_BUTTON_RENAME, STR_STATION_VIEW_RENAME_TOOLTIP),
    00763     EndContainer(),
    00764     NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_SV_CLOSE_AIRPORT), SetMinimalSize(45, 12), SetResize(1, 0), SetFill(1, 1),
    00765         SetDataTip(STR_STATION_VIEW_CLOSE_AIRPORT, STR_STATION_VIEW_CLOSE_AIRPORT_TOOLTIP),
    00766     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_TRAINS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_TRAIN, STR_STATION_VIEW_SCHEDULED_TRAINS_TOOLTIP),
    00767     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_ROADVEHS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_LORRY, STR_STATION_VIEW_SCHEDULED_ROAD_VEHICLES_TOOLTIP),
    00768     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_SHIPS), SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_SHIP, STR_STATION_VIEW_SCHEDULED_SHIPS_TOOLTIP),
    00769     NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SV_PLANES),  SetMinimalSize(14, 12), SetFill(0, 1), SetDataTip(STR_PLANE, STR_STATION_VIEW_SCHEDULED_AIRCRAFT_TOOLTIP),
    00770     NWidget(WWT_RESIZEBOX, COLOUR_GREY),
    00771   EndContainer(),
    00772 };
    00773
    00784 static void DrawCargoIcons(CargoID i, uint waiting, int left, int right, int y)
    00785 {
    00786   uint num = min((waiting + 5) / 10, (right - left) / 10); // maximum is width / 10 icons so it won't overflow
    00787   if (num == 0) return;
    00788
    00789   SpriteID sprite = CargoSpec::Get(i)->GetCargoIcon();
    00790
    00791   int x = _current_text_dir == TD_RTL ? left : right - num * 10;
    00792   do {
    00793     DrawSprite(sprite, PAL_NONE, x, y);
    00794     x += 10;
    00795   } while (--num);
    00796 }
    00797
    00798 enum SortOrder {
    00799   SO_DESCENDING,
    00800   SO_ASCENDING
    00801 };
    00802
    00803 class CargoDataEntry;
    00804
    00805 enum CargoSortType {
    00806   ST_AS_GROUPING,
    00807   ST_COUNT,
    00808   ST_STATION_STRING,
    00809   ST_STATION_ID,
    00810   ST_CARGO_ID,
    00811 };
    00812
    00817 class CargoSorter {
    00818 public:
    00819   CargoSorter(CargoSortType t = ST_STATION_ID, SortOrder o = SO_ASCENDING) : type(t), order(o) {}
    00820   CargoSortType GetSortType() {return this->type;}
    00821   bool operator()(const CargoDataEntry *cd1, const CargoDataEntry *cd2) const;
    00822
    00823 private:
    00824   CargoSortType type;
    00825   SortOrder order;
    00826
    00827   template<class Tid>
    00828   bool SortId(Tid st1, Tid st2) const;
    00829   bool SortCount(const CargoDataEntry *cd1, const CargoDataEntry *cd2) const;
    00830   bool SortStation (StationID st1, StationID st2) const;
    00831 };
    00832
    00833 typedef std::set<CargoDataEntry *, CargoSorter> CargoDataSet;
    00834
    00844 class CargoAndTransfer {
    00845   CargoID cargo;
    00846   bool transfer;
    00847 public:
    00848   operator CargoID() const { return this->cargo; }
    00849
    00856   CargoID operator=(CargoID cargo)
    00857   {
    00858     this->transfer = false;
    00859     return this->cargo = cargo;
    00860   }
    00861
    00862   bool HasTransfer() const { return this->transfer; }
    00863   void SetTransfer(bool transfer) { this->transfer = transfer; }
    00864 };
    00865
    00871 class CargoDataEntry {
    00872 public:
    00873   CargoDataEntry() : parent(NULL), station(INVALID_STATION),
    00874       num_children(0), count(0),
    00875       children(new CargoDataSet(CargoSorter(ST_CARGO_ID))) {}
    00876
    00877   ~CargoDataEntry()
    00878   {
    00879     this->Clear();
    00880     delete this->children;
    00881   }
    00882
    00888   CargoDataEntry *InsertOrRetrieve(StationID station)
    00889   {
    00890     return this->InsertOrRetrieve<StationID>(station);
    00891   }
    00892
    00898   CargoDataEntry *InsertOrRetrieve(CargoID cargo)
    00899   {
    00900     return this->InsertOrRetrieve<CargoID>(cargo);
    00901   }
    00902
    00903   void Update(uint count);
    00904
    00909   void Remove(StationID station)
    00910   {
    00911     CargoDataEntry t(station);
    00912     this->Remove(&t);
    00913   }
    00914
    00919   void Remove(CargoID cargo)
    00920   {
    00921     CargoDataEntry t(cargo);
    00922     this->Remove(&t);
    00923   }
    00924
    00930   CargoDataEntry *Retrieve(StationID station) const
    00931   {
    00932     CargoDataEntry t(station);
    00933     return this->Retrieve(this->children->find(&t));
    00934   }
    00935
    00941   CargoDataEntry *Retrieve(CargoID cargo) const
    00942   {
    00943     CargoDataEntry t(cargo);
    00944     return this->Retrieve(this->children->find(&t));
    00945   }
    00946
    00947   void Resort(CargoSortType type, SortOrder order);
    00948
    00952   StationID GetStation() const { return this->station; }
    00953
    00957   CargoID GetCargo() const { return this->cargo; }
    00958
    00962   uint GetCount() const { return this->count; }
    00963
    00967   CargoDataEntry *GetParent() const { return this->parent; }
    00968
    00972   uint GetNumChildren() const { return this->num_children; }
    00973
    00977   CargoDataSet::iterator Begin() const { return this->children->begin(); }
    00978
    00982   CargoDataSet::iterator End() const { return this->children->end(); }
    00983
    00989   bool HasTransfer() const { return this->cargo.HasTransfer(); }
    00990
    00997   void SetTransfer(bool transfer) { this->cargo.SetTransfer(transfer); }
    00998
    00999   void Clear();
    01000 private:
    01001
    01002   CargoDataEntry(StationID station, uint count, CargoDataEntry *parent) :
    01003       parent(parent), station(station), num_children(0), count(count),
    01004       children(new CargoDataSet) {}
    01005
    01006   CargoDataEntry(CargoID cargo, uint count, CargoDataEntry *parent) :
    01007       parent(parent), num_children(0), count(count), children(new CargoDataSet)
    01008   {
    01009     this->cargo = cargo;
    01010   }
    01011
    01012   CargoDataEntry(StationID station) : parent(NULL), station(station),
    01013       num_children(0), count(0), children(NULL) {}
    01014
    01015   CargoDataEntry(CargoID cargo) : parent(NULL), num_children(0),
    01016       count(0), children(NULL)
    01017   {
    01018     this->cargo = cargo;
    01019   }
    01020
    01021   CargoDataEntry *Retrieve(CargoDataSet::iterator i) const;
    01022
    01023   template<class Tid>
    01024   CargoDataEntry *InsertOrRetrieve(Tid s);
    01025
    01026   void Remove(CargoDataEntry *comp);
    01027   void IncrementSize();
    01028
    01029   CargoDataEntry *parent;
    01030   const union {
    01031     StationID station;
    01032     CargoAndTransfer cargo;
    01033   };
    01034   uint num_children;
    01035   uint count;
    01036   CargoDataSet *children;
    01037 };
    01038
    01042 void CargoDataEntry::Clear()
    01043 {
    01044   if (this->children != NULL) {
    01045     for (CargoDataSet::iterator i = this->children->begin(); i != this->children->end(); ++i) {
    01046       assert(*i != this);
    01047       delete *i;
    01048     }
    01049     this->children->clear();
    01050   }
    01051   if (this->parent != NULL) this->parent->count -= this->count;
    01052   this->count = 0;
    01053   this->num_children = 0;
    01054 }
    01055
    01062 void CargoDataEntry::Remove(CargoDataEntry *child)
    01063 {
    01064   CargoDataSet::iterator i = this->children->find(child);
    01065   if (i != this->children->end()) {
    01066     delete *i;
    01067     this->children->erase(i);
    01068   }
    01069 }
    01070
    01077 template<class Tid>
    01078 CargoDataEntry *CargoDataEntry::InsertOrRetrieve(Tid child_id)
    01079 {
    01080   CargoDataEntry tmp(child_id);
    01081   CargoDataSet::iterator i = this->children->find(&tmp);
    01082   if (i == this->children->end()) {
    01083     this->IncrementSize();
    01084     return *(this->children->insert(new CargoDataEntry(child_id, 0, this)).first);
    01085   } else {
    01086     CargoDataEntry *ret = *i;
    01087     assert(this->children->value_comp().GetSortType() != ST_COUNT);
    01088     return ret;
    01089   }
    01090 }
    01091
    01097 void CargoDataEntry::Update(uint count)
    01098 {
    01099   this->count += count;
    01100   if (this->parent != NULL) this->parent->Update(count);
    01101 }
    01102
    01106 void CargoDataEntry::IncrementSize()
    01107 {
    01108    ++this->num_children;
    01109    if (this->parent != NULL) this->parent->IncrementSize();
    01110 }
    01111
    01117 void CargoDataEntry::Resort(CargoSortType type, SortOrder order)
    01118 {
    01119   CargoDataSet *new_subs = new CargoDataSet(this->children->begin(), this->children->end(), CargoSorter(type, order));
    01120   delete this->children;
    01121   this->children = new_subs;
    01122 }
    01123
    01130 CargoDataEntry *CargoDataEntry::Retrieve(CargoDataSet::iterator i) const
    01131 {
    01132   if (i == this->children->end()) {
    01133     return NULL;
    01134   } else {
    01135     assert(this->children->value_comp().GetSortType() != ST_COUNT);
    01136     return *i;
    01137   }
    01138 }
    01139
    01146 bool CargoSorter::operator()(const CargoDataEntry *cd1, const CargoDataEntry *cd2) const
    01147 {
    01148   switch (this->type) {
    01149     case ST_STATION_ID:
    01150       return this->SortId<StationID>(cd1->GetStation(), cd2->GetStation());
    01151     case ST_CARGO_ID:
    01152       return this->SortId<CargoID>(cd1->GetCargo(), cd2->GetCargo());
    01153     case ST_COUNT:
    01154       return this->SortCount(cd1, cd2);
    01155     case ST_STATION_STRING:
    01156       return this->SortStation(cd1->GetStation(), cd2->GetStation());
    01157     default:
    01158       NOT_REACHED();
    01159   }
    01160 }
    01161
    01169 template<class Tid>
    01170 bool CargoSorter::SortId(Tid id1, Tid id2) const
    01171 {
    01172   return (this->order == SO_ASCENDING) ? id1 < id2 : id2 < id1;
    01173 }
    01174
    01181 bool CargoSorter::SortCount(const CargoDataEntry *cd1, const CargoDataEntry *cd2) const
    01182 {
    01183   uint c1 = cd1->GetCount();
    01184   uint c2 = cd2->GetCount();
    01185   if (c1 == c2) {
    01186     return this->SortStation(cd1->GetStation(), cd2->GetStation());
    01187   } else if (this->order == SO_ASCENDING) {
    01188     return c1 < c2;
    01189   } else {
    01190     return c2 < c1;
    01191   }
    01192 }
    01193
    01200 bool CargoSorter::SortStation(StationID st1, StationID st2) const
    01201 {
    01202   static char buf1[MAX_LENGTH_STATION_NAME_CHARS];
    01203   static char buf2[MAX_LENGTH_STATION_NAME_CHARS];
    01204
    01205   if (!Station::IsValidID(st1)) {
    01206     return Station::IsValidID(st2) ? this->order == SO_ASCENDING : this->SortId(st1, st2);
    01207   } else if (!Station::IsValidID(st2)) {
    01208     return order == SO_DESCENDING;
    01209   }
    01210
    01211   SetDParam(0, st1);
    01212   GetString(buf1, STR_STATION_NAME, lastof(buf1));
    01213   SetDParam(0, st2);
    01214   GetString(buf2, STR_STATION_NAME, lastof(buf2));
    01215
    01216   int res = strcmp(buf1, buf2);
    01217   if (res == 0) {
    01218     return this->SortId(st1, st2);
    01219   } else {
    01220     return (this->order == SO_ASCENDING) ? res < 0 : res > 0;
    01221   }
    01222 }
    01223
    01227 struct StationViewWindow : public Window {
    01231   struct RowDisplay {
    01232     RowDisplay(CargoDataEntry *f, StationID n) : filter(f), next_station(n) {}
    01233     RowDisplay(CargoDataEntry *f, CargoID n) : filter(f), next_cargo(n) {}
    01234
    01238     CargoDataEntry *filter;
    01239     union {
    01243       StationID next_station;
    01244
    01248       CargoID next_cargo;
    01249     };
    01250   };
    01251
    01252   typedef std::vector<RowDisplay> CargoDataVector;
    01253
    01254   static const int NUM_COLUMNS = 4;
    01255
    01259   enum Invalidation {
    01260     INV_FLOWS = 0x100,
    01261     INV_CARGO = 0x200
    01262   };
    01263
    01267   enum Grouping {
    01268     GR_SOURCE,
    01269     GR_NEXT,
    01270     GR_DESTINATION,
    01271     GR_CARGO,
    01272   };
    01273
    01277   enum Mode {
    01278     MODE_WAITING,
    01279     MODE_PLANNED
    01280   };
    01281
    01282   uint expand_shrink_width;
    01283   int rating_lines;
    01284   int accepts_lines;
    01285   Scrollbar *vscroll;
    01286
    01288   enum AcceptListHeight {
    01289     ALH_RATING  = 13,
    01290     ALH_ACCEPTS = 3,
    01291   };
    01292
    01293   static const StringID _sort_names[];
    01294   static const StringID _group_names[];
    01295
    01302   CargoSortType sortings[NUM_COLUMNS];
    01303
    01305   SortOrder sort_orders[NUM_COLUMNS];
    01306
    01307   int scroll_to_row;
    01308   int grouping_index;
    01309   Mode current_mode;
    01310   Grouping groupings[NUM_COLUMNS];
    01311
    01312   CargoDataEntry expanded_rows;
    01313   CargoDataEntry cached_destinations;
    01314   CargoDataVector displayed_rows;
    01315
    01316   StationViewWindow(const WindowDesc *desc, WindowNumber window_number) : Window(),
    01317     scroll_to_row(INT_MAX), grouping_index(0)
    01318   {
    01319     this->rating_lines  = ALH_RATING;
    01320     this->accepts_lines = ALH_ACCEPTS;
    01321
    01322     this->CreateNestedTree(desc);
    01323     this->vscroll = this->GetScrollbar(WID_SV_SCROLLBAR);
    01324     /* Nested widget tree creation is done in two steps to ensure that this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS) exists in UpdateWidgetSize(). */
    01325     this->FinishInitNested(desc, window_number);
    01326
    01327     this->groupings[0] = GR_CARGO;
    01328     this->sortings[0] = ST_AS_GROUPING;
    01329     this->SelectGroupBy(_settings_client.gui.station_gui_group_order);
    01330     this->SelectSortBy(_settings_client.gui.station_gui_sort_by);
    01331     this->sort_orders[0] = SO_ASCENDING;
    01332     this->SelectSortOrder((SortOrder)_settings_client.gui.station_gui_sort_order);
    01333     Owner owner = Station::Get(window_number)->owner;
    01334     if (owner != OWNER_NONE) this->owner = owner;
    01335   }
    01336
    01337   ~StationViewWindow()
    01338   {
    01339     Owner owner = Station::Get(this->window_number)->owner;
    01340     DeleteWindowById(WC_TRAINS_LIST,   VehicleListIdentifier(VL_STATION_LIST, VEH_TRAIN,    owner, this->window_number).Pack(), false);
    01341     DeleteWindowById(WC_ROADVEH_LIST,  VehicleListIdentifier(VL_STATION_LIST, VEH_ROAD,     owner, this->window_number).Pack(), false);
    01342     DeleteWindowById(WC_SHIPS_LIST,    VehicleListIdentifier(VL_STATION_LIST, VEH_SHIP,     owner, this->window_number).Pack(), false);
    01343     DeleteWindowById(WC_AIRCRAFT_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_AIRCRAFT, owner, this->window_number).Pack(), false);
    01344   }
    01345
    01357   void ShowCargo(CargoDataEntry *data, CargoID cargo, StationID source, StationID next, StationID dest, uint count)
    01358   {
    01359     if (count == 0) return;
    01360     bool auto_distributed = _settings_game.linkgraph.GetDistributionType(cargo) != DT_MANUAL;
    01361     const CargoDataEntry *expand = &this->expanded_rows;
    01362     for (int i = 0; i < NUM_COLUMNS && expand != NULL; ++i) {
    01363       switch (groupings[i]) {
    01364         case GR_CARGO:
    01365           assert(i == 0);
    01366           data = data->InsertOrRetrieve(cargo);
    01367           data->SetTransfer(source != this->window_number);
    01368           expand = expand->Retrieve(cargo);
    01369           break;
    01370         case GR_SOURCE:
    01371           if (auto_distributed || source != this->window_number) {
    01372             data = data->InsertOrRetrieve(source);
    01373             expand = expand->Retrieve(source);
    01374           }
    01375           break;
    01376         case GR_NEXT:
    01377           if (auto_distributed) {
    01378             data = data->InsertOrRetrieve(next);
    01379             expand = expand->Retrieve(next);
    01380           }
    01381           break;
    01382         case GR_DESTINATION:
    01383           if (auto_distributed) {
    01384             data = data->InsertOrRetrieve(dest);
    01385             expand = expand->Retrieve(dest);
    01386           }
    01387           break;
    01388       }
    01389     }
    01390     data->Update(count);
    01391   }
    01392
    01393   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01394   {
    01395     switch (widget) {
    01396       case WID_SV_WAITING:
    01397         resize->height = FONT_HEIGHT_NORMAL;
    01398         size->height = WD_FRAMERECT_TOP + 4 * resize->height + WD_FRAMERECT_BOTTOM;
    01399         this->expand_shrink_width = max(GetStringBoundingBox("-").width, GetStringBoundingBox("+").width) + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
    01400         break;
    01401
    01402       case WID_SV_ACCEPT_RATING_LIST:
    01403         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;
    01404         break;
    01405
    01406       case WID_SV_CLOSE_AIRPORT:
    01407         if (!(Station::Get(this->window_number)->facilities & FACIL_AIRPORT)) {
    01408           /* Hide 'Close Airport' button if no airport present. */
    01409           size->width = 0;
    01410           resize->width = 0;
    01411           fill->width = 0;
    01412         }
    01413         break;
    01414     }
    01415   }
    01416
    01417   virtual void OnPaint()
    01418   {
    01419     const Station *st = Station::Get(this->window_number);
    01420     CargoDataEntry cargo;
    01421     BuildCargoList(&cargo, st);
    01422
    01423     this->vscroll->SetCount(cargo.GetNumChildren()); // update scrollbar
    01424
    01425     /* disable some buttons */
    01426     this->SetWidgetDisabledState(WID_SV_RENAME,   st->owner != _local_company);
    01427     this->SetWidgetDisabledState(WID_SV_TRAINS,   !(st->facilities & FACIL_TRAIN));
    01428     this->SetWidgetDisabledState(WID_SV_ROADVEHS, !(st->facilities & FACIL_TRUCK_STOP) && !(st->facilities & FACIL_BUS_STOP));
    01429     this->SetWidgetDisabledState(WID_SV_SHIPS,    !(st->facilities & FACIL_DOCK));
    01430     this->SetWidgetDisabledState(WID_SV_PLANES,   !(st->facilities & FACIL_AIRPORT));
    01431     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
    01432     this->SetWidgetLoweredState(WID_SV_CLOSE_AIRPORT, (st->facilities & FACIL_AIRPORT) && (st->airport.flags & AIRPORT_CLOSED_block) != 0);
    01433
    01434     this->DrawWidgets();
    01435
    01436     if (!this->IsShaded()) {
    01437       /* Draw 'accepted cargo' or 'cargo ratings'. */
    01438       const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SV_ACCEPT_RATING_LIST);
    01439       const Rect r = {wid->pos_x, wid->pos_y, wid->pos_x + wid->current_x - 1, wid->pos_y + wid->current_y - 1};
    01440       if (this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) {
    01441         int lines = this->DrawAcceptedCargo(r);
    01442         if (lines > this->accepts_lines) { // Resize the widget, and perform re-initialization of the window.
    01443           this->accepts_lines = lines;
    01444           this->ReInit();
    01445           return;
    01446         }
    01447       } else {
    01448         int lines = this->DrawCargoRatings(r);
    01449         if (lines > this->rating_lines) { // Resize the widget, and perform re-initialization of the window.
    01450           this->rating_lines = lines;
    01451           this->ReInit();
    01452           return;
    01453         }
    01454       }
    01455
    01456       /* Draw arrow pointing up/down for ascending/descending sorting */
    01457       this->DrawSortButtonState(WID_SV_SORT_ORDER, sort_orders[1] == SO_ASCENDING ? SBS_UP : SBS_DOWN);
    01458
    01459       int pos = this->vscroll->GetPosition();
    01460
    01461       int maxrows = this->vscroll->GetCapacity();
    01462
    01463       displayed_rows.clear();
    01464
    01465       /* Draw waiting cargo. */
    01466       NWidgetBase *nwi = this->GetWidget<NWidgetBase>(WID_SV_WAITING);
    01467       Rect waiting_rect = {nwi->pos_x, nwi->pos_y, nwi->pos_x + nwi->current_x - 1, nwi->pos_y + nwi->current_y - 1};
    01468       this->DrawEntries(&cargo, waiting_rect, pos, maxrows, 0);
    01469       scroll_to_row = INT_MAX;
    01470     }
    01471   }
    01472
    01473   virtual void SetStringParameters(int widget) const
    01474   {
    01475     const Station *st = Station::Get(this->window_number);
    01476     SetDParam(0, st->index);
    01477     SetDParam(1, st->facilities);
    01478   }
    01479
    01486   void RecalcDestinations(CargoID cargo)
    01487   {
    01488     const Station *st = Station::Get(this->window_number);
    01489     CargoDataEntry *cargo_entry = cached_destinations.InsertOrRetrieve(cargo);
    01490     cargo_entry->Clear();
    01491
    01492     const FlowStatMap &flows = st->goods[cargo].flows;
    01493     for (FlowStatMap::const_iterator it = flows.begin(); it != flows.end(); ++it) {
    01494       StationID from = it->first;
    01495       CargoDataEntry *source_entry = cargo_entry->InsertOrRetrieve(from);
    01496       const FlowStat::SharesMap *shares = it->second.GetShares();
    01497       uint32 prev_count = 0;
    01498       for (FlowStat::SharesMap::const_iterator flow_it = shares->begin(); flow_it != shares->end(); ++flow_it) {
    01499         StationID via = flow_it->second;
    01500         CargoDataEntry *via_entry = source_entry->InsertOrRetrieve(via);
    01501         if (via == this->window_number) {
    01502           via_entry->InsertOrRetrieve(via)->Update(flow_it->first - prev_count);
    01503         } else {
    01504           EstimateDestinations(cargo, from, via, flow_it->first - prev_count, via_entry);
    01505         }
    01506         prev_count = flow_it->first;
    01507       }
    01508     }
    01509   }
    01510
    01521   void EstimateDestinations(CargoID cargo, StationID source, StationID next, uint count, CargoDataEntry *data)
    01522   {
    01523     if (Station::IsValidID(next) && Station::IsValidID(source)) {
    01524       CargoDataEntry tmp;
    01525       const FlowStatMap &flowmap = Station::Get(next)->goods[cargo].flows;
    01526       FlowStatMap::const_iterator map_it = flowmap.find(source);
    01527       if (map_it != flowmap.end()) {
    01528         const FlowStat::SharesMap *shares = map_it->second.GetShares();
    01529         uint32 prev_count = 0;
    01530         for (FlowStat::SharesMap::const_iterator i = shares->begin(); i != shares->end(); ++i) {
    01531           tmp.InsertOrRetrieve(i->second)->Update(i->first - prev_count);
    01532           prev_count = i->first;
    01533         }
    01534       }
    01535
    01536       if (tmp.GetCount() == 0) {
    01537         data->InsertOrRetrieve(INVALID_STATION)->Update(count);
    01538       } else {
    01539         uint sum_estimated = 0;
    01540         while (sum_estimated < count) {
    01541           for (CargoDataSet::iterator i = tmp.Begin(); i != tmp.End() && sum_estimated < count; ++i) {
    01542             CargoDataEntry *child = *i;
    01543             uint estimate = DivideApprox(child->GetCount() * count, tmp.GetCount());
    01544             if (estimate == 0) estimate = 1;
    01545
    01546             sum_estimated += estimate;
    01547             if (sum_estimated > count) {
    01548               estimate -= sum_estimated - count;
    01549               sum_estimated = count;
    01550             }
    01551
    01552             if (estimate > 0) {
    01553               if (child->GetStation() == next) {
    01554                 data->InsertOrRetrieve(next)->Update(estimate);
    01555               } else {
    01556                 EstimateDestinations(cargo, source, child->GetStation(), estimate, data);
    01557               }
    01558             }
    01559           }
    01560
    01561         }
    01562       }
    01563     } else {
    01564       data->InsertOrRetrieve(INVALID_STATION)->Update(count);
    01565     }
    01566   }
    01567
    01574   void BuildFlowList(CargoID cargo, const FlowStatMap &flows, CargoDataEntry *data)
    01575   {
    01576     const CargoDataEntry *source_dest = this->cached_destinations.Retrieve(cargo);
    01577     for (FlowStatMap::const_iterator it = flows.begin(); it != flows.end(); ++it) {
    01578       StationID from = it->first;
    01579       const CargoDataEntry *source_entry = source_dest->Retrieve(from);
    01580       const FlowStat::SharesMap *shares = it->second.GetShares();
    01581       for (FlowStat::SharesMap::const_iterator flow_it = shares->begin(); flow_it != shares->end(); ++flow_it) {
    01582         const CargoDataEntry *via_entry = source_entry->Retrieve(flow_it->second);
    01583         for (CargoDataSet::iterator dest_it = via_entry->Begin(); dest_it != via_entry->End(); ++dest_it) {
    01584           CargoDataEntry *dest_entry = *dest_it;
    01585           ShowCargo(data, cargo, from, flow_it->second, dest_entry->GetStation(), dest_entry->GetCount());
    01586         }
    01587       }
    01588     }
    01589   }
    01590
    01597   void BuildCargoList(CargoID cargo, const StationCargoList &packets, CargoDataEntry *data)
    01598   {
    01599     const CargoDataEntry *source_dest = this->cached_destinations.Retrieve(cargo);
    01600     for (StationCargoList::ConstIterator it = packets.Packets()->begin(); it != packets.Packets()->end(); it++) {
    01601       const CargoPacket *cp = *it;
    01602       StationID next = it.GetKey();
    01603
    01604       const CargoDataEntry *source_entry = source_dest->Retrieve(cp->SourceStation());
    01605       if (source_entry == NULL) {
    01606         this->ShowCargo(data, cargo, cp->SourceStation(), next, INVALID_STATION, cp->Count());
    01607         continue;
    01608       }
    01609
    01610       const CargoDataEntry *via_entry = source_entry->Retrieve(next);
    01611       if (via_entry == NULL) {
    01612         this->ShowCargo(data, cargo, cp->SourceStation(), next, INVALID_STATION, cp->Count());
    01613         continue;
    01614       }
    01615
    01616       for (CargoDataSet::iterator dest_it = via_entry->Begin(); dest_it != via_entry->End(); ++dest_it) {
    01617         CargoDataEntry *dest_entry = *dest_it;
    01618         uint val = DivideApprox(cp->Count() * dest_entry->GetCount(), via_entry->GetCount());
    01619         this->ShowCargo(data, cargo, cp->SourceStation(), next, dest_entry->GetStation(), val);
    01620       }
    01621     }
    01622     this->ShowCargo(data, cargo, NEW_STATION, NEW_STATION, NEW_STATION, packets.ReservedCount());
    01623   }
    01624
    01630   void BuildCargoList(CargoDataEntry *data, const Station *st)
    01631   {
    01632     for (CargoID i = 0; i < NUM_CARGO; i++) {
    01633
    01634       if (this->cached_destinations.Retrieve(i) == NULL) {
    01635         this->RecalcDestinations(i);
    01636       }
    01637
    01638       if (this->current_mode == MODE_WAITING) {
    01639         this->BuildCargoList(i, st->goods[i].cargo, data);
    01640       } else if (_settings_game.linkgraph.GetDistributionType(i) != DT_MANUAL){
    01641         this->BuildFlowList(i, st->goods[i].flows, data);
    01642       }
    01643     }
    01644   }
    01645
    01650   void SetDisplayedRow(const CargoDataEntry *data)
    01651   {
    01652     std::list<StationID> stations;
    01653     const CargoDataEntry *parent = data->GetParent();
    01654     if (parent->GetParent() == NULL) {
    01655       this->displayed_rows.push_back(RowDisplay(&this->expanded_rows, data->GetCargo()));
    01656       return;
    01657     }
    01658
    01659     StationID next = data->GetStation();
    01660     while (parent->GetParent()->GetParent() != NULL) {
    01661       stations.push_back(parent->GetStation());
    01662       parent = parent->GetParent();
    01663     }
    01664
    01665     CargoID cargo = parent->GetCargo();
    01666     CargoDataEntry *filter = this->expanded_rows.Retrieve(cargo);
    01667     while (!stations.empty()) {
    01668       filter = filter->Retrieve(stations.back());
    01669       stations.pop_back();
    01670     }
    01671
    01672     this->displayed_rows.push_back(RowDisplay(filter, next));
    01673   }
    01674
    01683   StringID GetEntryString(StationID station, StringID here, StringID other_station, StringID any)
    01684   {
    01685     if (station == this->window_number) {
    01686       return here;
    01687     } else if (station == INVALID_STATION) {
    01688       return any;
    01689     } else if (station == NEW_STATION) {
    01690       return STR_STATION_VIEW_RESERVED;
    01691     } else {
    01692       SetDParam(2, station);
    01693       return other_station;
    01694     }
    01695   }
    01696
    01704   StringID SearchNonStop(CargoDataEntry *cd, StationID station, int column)
    01705   {
    01706     CargoDataEntry *parent = cd->GetParent();
    01707     for (int i = column - 1; i > 0; --i) {
    01708       if (this->groupings[i] == GR_DESTINATION) {
    01709         if (parent->GetStation() == station) {
    01710           return STR_STATION_VIEW_NONSTOP;
    01711         } else {
    01712           return STR_STATION_VIEW_VIA;
    01713         }
    01714       }
    01715       parent = parent->GetParent();
    01716     }
    01717
    01718     if (this->groupings[column + 1] == GR_DESTINATION) {
    01719       CargoDataSet::iterator begin = cd->Begin();
    01720       CargoDataSet::iterator end = cd->End();
    01721       if (begin != end && ++(cd->Begin()) == end && (*(begin))->GetStation() == station) {
    01722         return STR_STATION_VIEW_NONSTOP;
    01723       } else {
    01724         return STR_STATION_VIEW_VIA;
    01725       }
    01726     }
    01727
    01728     return STR_STATION_VIEW_VIA;
    01729   }
    01730
    01741   int DrawEntries(CargoDataEntry *data, Rect &r, int pos, int maxrows, int column, CargoID cargo = CT_INVALID)
    01742   {
    01743     if (this->sortings[column] == ST_AS_GROUPING) {
    01744       if (this->groupings[column] != GR_CARGO) {
    01745         data->Resort(ST_STATION_STRING, this->sort_orders[column]);
    01746       }
    01747     } else {
    01748       data->Resort(ST_COUNT, this->sort_orders[column]);
    01749     }
    01750     for (CargoDataSet::iterator i = data->Begin(); i != data->End(); ++i) {
    01751       CargoDataEntry *cd = *i;
    01752
    01753       Grouping grouping = this->groupings[column];
    01754       if (grouping == GR_CARGO) cargo = cd->GetCargo();
    01755       bool auto_distributed = _settings_game.linkgraph.GetDistributionType(cargo) != DT_MANUAL;
    01756
    01757       if (pos > -maxrows && pos <= 0) {
    01758         StringID str = STR_EMPTY;
    01759         int y = r.top + WD_FRAMERECT_TOP - pos * FONT_HEIGHT_NORMAL;
    01760         SetDParam(0, cargo);
    01761         SetDParam(1, cd->GetCount());
    01762
    01763         if (this->groupings[column] == GR_CARGO) {
    01764           str = STR_STATION_VIEW_WAITING_CARGO;
    01765           DrawCargoIcons(cd->GetCargo(), cd->GetCount(), r.left + WD_FRAMERECT_LEFT + this->expand_shrink_width, r.right - WD_FRAMERECT_RIGHT - this->expand_shrink_width, y);
    01766         } else {
    01767           if (!auto_distributed) grouping = GR_SOURCE;
    01768           StationID station = cd->GetStation();
    01769
    01770           switch (grouping) {
    01771             case GR_SOURCE:
    01772               str = this->GetEntryString(station, STR_STATION_VIEW_FROM_HERE, STR_STATION_VIEW_FROM, STR_STATION_VIEW_FROM_ANY);
    01773               break;
    01774             case GR_NEXT:
    01775               str = this->GetEntryString(station, STR_STATION_VIEW_VIA_HERE, STR_STATION_VIEW_VIA, STR_STATION_VIEW_VIA_ANY);
    01776               if (str == STR_STATION_VIEW_VIA) str = this->SearchNonStop(cd, station, column);
    01777               break;
    01778             case GR_DESTINATION:
    01779               str = this->GetEntryString(station, STR_STATION_VIEW_TO_HERE, STR_STATION_VIEW_TO, STR_STATION_VIEW_TO_ANY);
    01780               break;
    01781             default:
    01782               NOT_REACHED();
    01783           }
    01784           if (pos == -this->scroll_to_row && Station::IsValidID(station)) {
    01785             ScrollMainWindowToTile(Station::Get(station)->xy);
    01786           }
    01787         }
    01788
    01789         bool rtl = _current_text_dir == TD_RTL;
    01790         int text_left    = rtl ? r.left + this->expand_shrink_width : r.left + WD_FRAMERECT_LEFT + column * this->expand_shrink_width;
    01791         int text_right   = rtl ? r.right - WD_FRAMERECT_LEFT - column * this->expand_shrink_width : r.right - this->expand_shrink_width;
    01792         int shrink_left  = rtl ? r.left + WD_FRAMERECT_LEFT : r.right - this->expand_shrink_width + WD_FRAMERECT_LEFT;
    01793         int shrink_right = rtl ? r.left + this->expand_shrink_width - WD_FRAMERECT_RIGHT : r.right - WD_FRAMERECT_RIGHT;
    01794
    01795         DrawString(text_left, text_right, y, str);
    01796
    01797         if (column < NUM_COLUMNS - 1) {
    01798           const char *sym = NULL;
    01799           if (cd->GetNumChildren() > 0) {
    01800             sym = "-";
    01801           } else if (auto_distributed && str != STR_STATION_VIEW_RESERVED) {
    01802             sym = "+";
    01803           } else {
    01804             /* Only draw '+' if there is something to be shown. */
    01805             const StationCargoList &list = Station::Get(this->window_number)->goods[cargo].cargo;
    01806             if (grouping == GR_CARGO && (list.ReservedCount() > 0 || cd->HasTransfer())) {
    01807               sym = "+";
    01808             }
    01809           }
    01810           if (sym) DrawString(shrink_left, shrink_right, y, sym, TC_YELLOW);
    01811         }
    01812         this->SetDisplayedRow(cd);
    01813       }
    01814       --pos;
    01815       if (auto_distributed || column == 0) {
    01816         pos = this->DrawEntries(cd, r, pos, maxrows, column + 1, cargo);
    01817       }
    01818     }
    01819     return pos;
    01820   }
    01821
    01827   int DrawAcceptedCargo(const Rect &r) const
    01828   {
    01829     const Station *st = Station::Get(this->window_number);
    01830
    01831     uint32 cargo_mask = 0;
    01832     for (CargoID i = 0; i < NUM_CARGO; i++) {
    01833       if (HasBit(st->goods[i].acceptance_pickup, GoodsEntry::GES_ACCEPTANCE)) SetBit(cargo_mask, i);
    01834     }
    01835     SetDParam(0, cargo_mask);
    01836     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);
    01837     return CeilDiv(bottom - r.top - WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL);
    01838   }
    01839
    01845   int DrawCargoRatings(const Rect &r) const
    01846   {
    01847     const Station *st = Station::Get(this->window_number);
    01848     int y = r.top + WD_FRAMERECT_TOP;
    01849
    01850     if (st->town->exclusive_counter > 0) {
    01851       SetDParam(0, st->town->exclusivity);
    01852       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);
    01853       y += WD_PAR_VSEP_WIDE;
    01854     }
    01855
    01856     DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_STATION_VIEW_SUPPLY_RATINGS_TITLE);
    01857     y += FONT_HEIGHT_NORMAL;
    01858
    01859     const CargoSpec *cs;
    01860     FOR_ALL_SORTED_STANDARD_CARGOSPECS(cs) {
    01861       const GoodsEntry *ge = &st->goods[cs->Index()];
    01862       if (!HasBit(ge->acceptance_pickup, GoodsEntry::GES_PICKUP)) continue;
    01863
    01864       SetDParam(0, cs->name);
    01865       SetDParam(1, ge->supply);
    01866       SetDParam(3, ToPercent8(ge->rating));
    01867       SetDParam(2, STR_CARGO_RATING_APPALLING + (ge->rating >> 5));
    01868       DrawString(r.left + WD_FRAMERECT_LEFT + 6, r.right - WD_FRAMERECT_RIGHT - 6, y, STR_STATION_VIEW_CARGO_SUPPLY_RATING);
    01869       y += FONT_HEIGHT_NORMAL;
    01870     }
    01871     return CeilDiv(y - r.top - WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL);
    01872   }
    01873
    01880   template<class Tid>
    01881   void HandleCargoWaitingClick(CargoDataEntry *filter, Tid next)
    01882   {
    01883     if (filter->Retrieve(next) != NULL) {
    01884       filter->Remove(next);
    01885     } else {
    01886       filter->InsertOrRetrieve(next);
    01887     }
    01888   }
    01889
    01894   void HandleCargoWaitingClick(int row)
    01895   {
    01896     if (row < 0 || (uint)row >= this->displayed_rows.size()) return;
    01897     if (_ctrl_pressed) {
    01898       this->scroll_to_row = row;
    01899     } else {
    01900       RowDisplay &display = this->displayed_rows[row];
    01901       if (display.filter == &this->expanded_rows) {
    01902         this->HandleCargoWaitingClick<CargoID>(display.filter, display.next_cargo);
    01903       } else {
    01904         this->HandleCargoWaitingClick<StationID>(display.filter, display.next_station);
    01905       }
    01906     }
    01907     this->SetWidgetDirty(WID_SV_WAITING);
    01908   }
    01909
    01910   virtual void OnClick(Point pt, int widget, int click_count)
    01911   {
    01912     switch (widget) {
    01913       case WID_SV_WAITING:
    01914         this->HandleCargoWaitingClick(this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_SV_WAITING, WD_FRAMERECT_TOP, FONT_HEIGHT_NORMAL) - this->vscroll->GetPosition());
    01915         break;
    01916
    01917       case WID_SV_LOCATION:
    01918         if (_ctrl_pressed) {
    01919           ShowExtraViewPortWindow(Station::Get(this->window_number)->xy);
    01920         } else {
    01921           ScrollMainWindowToTile(Station::Get(this->window_number)->xy);
    01922         }
    01923         break;
    01924
    01925       case WID_SV_ACCEPTS_RATINGS: {
    01926         /* Swap between 'accepts' and 'ratings' view. */
    01927         int height_change;
    01928         NWidgetCore *nwi = this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS);
    01929         if (this->GetWidget<NWidgetCore>(WID_SV_ACCEPTS_RATINGS)->widget_data == STR_STATION_VIEW_RATINGS_BUTTON) {
    01930           nwi->SetDataTip(STR_STATION_VIEW_ACCEPTS_BUTTON, STR_STATION_VIEW_ACCEPTS_TOOLTIP); // Switch to accepts view.
    01931           height_change = this->rating_lines - this->accepts_lines;
    01932         } else {
    01933           nwi->SetDataTip(STR_STATION_VIEW_RATINGS_BUTTON, STR_STATION_VIEW_RATINGS_TOOLTIP); // Switch to ratings view.
    01934           height_change = this->accepts_lines - this->rating_lines;
    01935         }
    01936         this->ReInit(0, height_change * FONT_HEIGHT_NORMAL);
    01937         break;
    01938       }
    01939
    01940       case WID_SV_RENAME:
    01941         SetDParam(0, this->window_number);
    01942         ShowQueryString(STR_STATION_NAME, STR_STATION_VIEW_RENAME_STATION_CAPTION, MAX_LENGTH_STATION_NAME_CHARS,
    01943             this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT | QSF_LEN_IN_CHARS);
    01944         break;
    01945
    01946       case WID_SV_CLOSE_AIRPORT:
    01947         DoCommandP(0, this->window_number, 0, CMD_OPEN_CLOSE_AIRPORT);
    01948         break;
    01949
    01950       case WID_SV_TRAINS:   // Show list of scheduled trains to this station
    01951       case WID_SV_ROADVEHS: // Show list of scheduled road-vehicles to this station
    01952       case WID_SV_SHIPS:    // Show list of scheduled ships to this station
    01953       case WID_SV_PLANES: { // Show list of scheduled aircraft to this station
    01954         Owner owner = Station::Get(this->window_number)->owner;
    01955         ShowVehicleListWindow(owner, (VehicleType)(widget - WID_SV_TRAINS), (StationID)this->window_number);
    01956         break;
    01957       }
    01958
    01959       case WID_SV_SORT_BY: {
    01960         int sorting_index = this->current_mode * 2 + (this->sortings[1] == ST_AS_GROUPING ? 0 : 1);
    01961         ShowDropDownMenu(this, _sort_names, sorting_index, WID_SV_SORT_BY, 0, 0);
    01962         break;
    01963       }
    01964
    01965       case WID_SV_GROUP_BY: {
    01966         ShowDropDownMenu(this, _group_names, this->grouping_index, WID_SV_GROUP_BY, 0, 0);
    01967         break;
    01968       }
    01969
    01970       case WID_SV_SORT_ORDER: { // flip sorting method asc/desc
    01971         this->SelectSortOrder(this->sort_orders[1] == SO_ASCENDING ? SO_DESCENDING : SO_ASCENDING);
    01972         this->SetTimeout();
    01973         this->LowerWidget(WID_SV_SORT_ORDER);
    01974         break;
    01975       }
    01976     }
    01977   }
    01978
    01983   void SelectSortOrder(SortOrder order)
    01984   {
    01985     this->sort_orders[1] = this->sort_orders[2] = this->sort_orders[3] = order;
    01986     _settings_client.gui.station_gui_sort_order = this->sort_orders[1];
    01987     this->SetDirty();
    01988   }
    01989
    01994   void SelectSortBy(int index)
    01995   {
    01996     _settings_client.gui.station_gui_sort_by = index;
    01997     switch (_sort_names[index]) {
    01998       case STR_STATION_VIEW_WAITING_STATION:
    01999         this->current_mode = MODE_WAITING;
    02000         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_AS_GROUPING;
    02001         break;
    02002       case STR_STATION_VIEW_WAITING_AMOUNT:
    02003         this->current_mode = MODE_WAITING;
    02004         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_COUNT;
    02005         break;
    02006       case STR_STATION_VIEW_PLANNED_STATION:
    02007         this->current_mode = MODE_PLANNED;
    02008         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_AS_GROUPING;
    02009         break;
    02010       case STR_STATION_VIEW_PLANNED_AMOUNT:
    02011         this->current_mode = MODE_PLANNED;
    02012         this->sortings[1] = this->sortings[2] = this->sortings[3] = ST_COUNT;
    02013         break;
    02014       default:
    02015         NOT_REACHED();
    02016     }
    02017     /* Display the current sort variant */
    02018     this->GetWidget<NWidgetCore>(WID_SV_SORT_BY)->widget_data = _sort_names[index];
    02019     this->SetDirty();
    02020   }
    02021
    02026   void SelectGroupBy(int index)
    02027   {
    02028     this->grouping_index = index;
    02029     _settings_client.gui.station_gui_group_order = index;
    02030     this->GetWidget<NWidgetCore>(WID_SV_GROUP_BY)->widget_data = _group_names[index];
    02031     switch (_group_names[index]) {
    02032       case STR_STATION_VIEW_GROUP_S_V_D:
    02033         this->groupings[1] = GR_SOURCE;
    02034         this->groupings[2] = GR_NEXT;
    02035         this->groupings[3] = GR_DESTINATION;
    02036         break;
    02037       case STR_STATION_VIEW_GROUP_S_D_V:
    02038         this->groupings[1] = GR_SOURCE;
    02039         this->groupings[2] = GR_DESTINATION;
    02040         this->groupings[3] = GR_NEXT;
    02041         break;
    02042       case STR_STATION_VIEW_GROUP_V_S_D:
    02043         this->groupings[1] = GR_NEXT;
    02044         this->groupings[2] = GR_SOURCE;
    02045         this->groupings[3] = GR_DESTINATION;
    02046         break;
    02047       case STR_STATION_VIEW_GROUP_V_D_S:
    02048         this->groupings[1] = GR_NEXT;
    02049         this->groupings[2] = GR_DESTINATION;
    02050         this->groupings[3] = GR_SOURCE;
    02051         break;
    02052       case STR_STATION_VIEW_GROUP_D_S_V:
    02053         this->groupings[1] = GR_DESTINATION;
    02054         this->groupings[2] = GR_SOURCE;
    02055         this->groupings[3] = GR_NEXT;
    02056         break;
    02057       case STR_STATION_VIEW_GROUP_D_V_S:
    02058         this->groupings[1] = GR_DESTINATION;
    02059         this->groupings[2] = GR_NEXT;
    02060         this->groupings[3] = GR_SOURCE;
    02061         break;
    02062     }
    02063     this->SetDirty();
    02064   }
    02065
    02066   virtual void OnDropdownSelect(int widget, int index)
    02067   {
    02068     if (widget == WID_SV_SORT_BY) {
    02069       this->SelectSortBy(index);
    02070     } else {
    02071       this->SelectGroupBy(index);
    02072     }
    02073   }
    02074
    02075   virtual void OnQueryTextFinished(char *str)
    02076   {
    02077     if (str == NULL) return;
    02078
    02079     DoCommandP(0, this->window_number, 0, CMD_RENAME_STATION | CMD_MSG(STR_ERROR_CAN_T_RENAME_STATION), NULL, str);
    02080   }
    02081
    02082   virtual void OnResize()
    02083   {
    02084     this->vscroll->SetCapacityFromWidget(this, WID_SV_WAITING, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
    02085   }
    02086
    02092   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    02093   {
    02094     if (gui_scope) {
    02095       if (data >= 0 && data < NUM_CARGO) {
    02096         this->cached_destinations.Remove((CargoID)data);
    02097       } else {
    02098         this->ReInit();
    02099       }
    02100     }
    02101   }
    02102 };
    02103
    02107 const StringID StationViewWindow::_sort_names[] = {
    02108   STR_STATION_VIEW_WAITING_STATION,
    02109   STR_STATION_VIEW_WAITING_AMOUNT,
    02110   STR_STATION_VIEW_PLANNED_STATION,
    02111   STR_STATION_VIEW_PLANNED_AMOUNT,
    02112   INVALID_STRING_ID
    02113 };
    02114
    02118 const StringID StationViewWindow::_group_names[] = {
    02119   STR_STATION_VIEW_GROUP_S_V_D,
    02120   STR_STATION_VIEW_GROUP_S_D_V,
    02121   STR_STATION_VIEW_GROUP_V_S_D,
    02122   STR_STATION_VIEW_GROUP_V_D_S,
    02123   STR_STATION_VIEW_GROUP_D_S_V,
    02124   STR_STATION_VIEW_GROUP_D_V_S,
    02125   INVALID_STRING_ID
    02126 };
    02127
    02128 static const WindowDesc _station_view_desc(
    02129   WDP_AUTO, 249, 117,
    02130   WC_STATION_VIEW, WC_NONE,
    02131   0,
    02132   _nested_station_view_widgets, lengthof(_nested_station_view_widgets)
    02133 );
    02134
    02140 void ShowStationViewWindow(StationID station)
    02141 {
    02142   AllocateWindowDescFront<StationViewWindow>(&_station_view_desc, station);
    02143 }
    02144
    02146 struct TileAndStation {
    02147   TileIndex tile;
    02148   StationID station;
    02149 };
    02150
    02151 static SmallVector<TileAndStation, 8> _deleted_stations_nearby;
    02152 static SmallVector<StationID, 8> _stations_nearby_list;
    02153
    02161 template <class T>
    02162 static bool AddNearbyStation(TileIndex tile, void *user_data)
    02163 {
    02164   TileArea *ctx = (TileArea *)user_data;
    02165
    02166   /* First check if there were deleted stations here */
    02167   for (uint i = 0; i < _deleted_stations_nearby.Length(); i++) {
    02168     TileAndStation *ts = _deleted_stations_nearby.Get(i);
    02169     if (ts->tile == tile) {
    02170       *_stations_nearby_list.Append() = _deleted_stations_nearby[i].station;
    02171       _deleted_stations_nearby.Erase(ts);
    02172       i--;
    02173     }
    02174   }
    02175
    02176   /* Check if own station and if we stay within station spread */
    02177   if (!IsTileType(tile, MP_STATION)) return false;
    02178
    02179   StationID sid = GetStationIndex(tile);
    02180
    02181   /* This station is (likely) a waypoint */
    02182   if (!T::IsValidID(sid)) return false;
    02183
    02184   T *st = T::Get(sid);
    02185   if (st->owner != _local_company || _stations_nearby_list.Contains(sid)) return false;
    02186
    02187   if (st->rect.BeforeAddRect(ctx->tile, ctx->w, ctx->h, StationRect::ADD_TEST).Succeeded()) {
    02188     *_stations_nearby_list.Append() = sid;
    02189   }
    02190
    02191   return false; // We want to include *all* nearby stations
    02192 }
    02193
    02203 template <class T>
    02204 static const T *FindStationsNearby(TileArea ta, bool distant_join)
    02205 {
    02206   TileArea ctx = ta;
    02207
    02208   _stations_nearby_list.Clear();
    02209   _deleted_stations_nearby.Clear();
    02210
    02211   /* Check the inside, to return, if we sit on another station */
    02212   TILE_AREA_LOOP(t, ta) {
    02213     if (t < MapSize() && IsTileType(t, MP_STATION) && T::IsValidID(GetStationIndex(t))) return T::GetByTile(t);
    02214   }
    02215
    02216   /* Look for deleted stations */
    02217   const BaseStation *st;
    02218   FOR_ALL_BASE_STATIONS(st) {
    02219     if (T::IsExpected(st) && !st->IsInUse() && st->owner == _local_company) {
    02220       /* Include only within station spread (yes, it is strictly less than) */
    02221       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) {
    02222         TileAndStation *ts = _deleted_stations_nearby.Append();
    02223         ts->tile = st->xy;
    02224         ts->station = st->index;
    02225
    02226         /* Add the station when it's within where we're going to build */
    02227         if (IsInsideBS(TileX(st->xy), TileX(ctx.tile), ctx.w) &&
    02228             IsInsideBS(TileY(st->xy), TileY(ctx.tile), ctx.h)) {
    02229           AddNearbyStation<T>(st->xy, &ctx);
    02230         }
    02231       }
    02232     }
    02233   }
    02234
    02235   /* Only search tiles where we have a chance to stay within the station spread.
    02236    * The complete check needs to be done in the callback as we don't know the
    02237    * extent of the found station, yet. */
    02238   if (distant_join && min(ta.w, ta.h) >= _settings_game.station.station_spread) return NULL;
    02239   uint max_dist = distant_join ? _settings_game.station.station_spread - min(ta.w, ta.h) : 1;
    02240
    02241   TileIndex tile = TILE_ADD(ctx.tile, TileOffsByDir(DIR_N));
    02242   CircularTileSearch(&tile, max_dist, ta.w, ta.h, AddNearbyStation<T>, &ctx);
    02243
    02244   return NULL;
    02245 }
    02246
    02247 static const NWidgetPart _nested_select_station_widgets[] = {
    02248   NWidget(NWID_HORIZONTAL),
    02249     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
    02250     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_JS_CAPTION), SetDataTip(STR_JOIN_STATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    02251   EndContainer(),
    02252   NWidget(NWID_HORIZONTAL),
    02253     NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_JS_PANEL), SetResize(1, 0), SetScrollbar(WID_JS_SCROLLBAR), EndContainer(),
    02254     NWidget(NWID_VERTICAL),
    02255       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_JS_SCROLLBAR),
    02256       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
    02257     EndContainer(),
    02258   EndContainer(),
    02259 };
    02260
    02265 template <class T>
    02266 struct SelectStationWindow : Window {
    02267   CommandContainer select_station_cmd;
    02268   TileArea area;
    02269   Scrollbar *vscroll;
    02270
    02271   SelectStationWindow(const WindowDesc *desc, CommandContainer cmd, TileArea ta) :
    02272     Window(),
    02273     select_station_cmd(cmd),
    02274     area(ta)
    02275   {
    02276     this->CreateNestedTree(desc);
    02277     this->vscroll = this->GetScrollbar(WID_JS_SCROLLBAR);
    02278     this->GetWidget<NWidgetCore>(WID_JS_CAPTION)->widget_data = T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_JOIN_WAYPOINT_CAPTION : STR_JOIN_STATION_CAPTION;
    02279     this->FinishInitNested(desc, 0);
    02280     this->OnInvalidateData(0);
    02281   }
    02282
    02283   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    02284   {
    02285     if (widget != WID_JS_PANEL) return;
    02286
    02287     /* Determine the widest string */
    02288     Dimension d = GetStringBoundingBox(T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_JOIN_WAYPOINT_CREATE_SPLITTED_WAYPOINT : STR_JOIN_STATION_CREATE_SPLITTED_STATION);
    02289     for (uint i = 0; i < _stations_nearby_list.Length(); i++) {
    02290       const T *st = T::Get(_stations_nearby_list[i]);
    02291       SetDParam(0, st->index);
    02292       SetDParam(1, st->facilities);
    02293       d = maxdim(d, GetStringBoundingBox(T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_STATION_LIST_WAYPOINT : STR_STATION_LIST_STATION));
    02294     }
    02295
    02296     resize->height = d.height;
    02297     d.height *= 5;
    02298     d.width += WD_FRAMERECT_RIGHT + WD_FRAMERECT_LEFT;
    02299     d.height += WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM;
    02300     *size = d;
    02301   }
    02302
    02303   virtual void DrawWidget(const Rect &r, int widget) const
    02304   {
    02305     if (widget != WID_JS_PANEL) return;
    02306
    02307     uint y = r.top + WD_FRAMERECT_TOP;
    02308     if (this->vscroll->GetPosition() == 0) {
    02309       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);
    02310       y += this->resize.step_height;
    02311     }
    02312
    02313     for (uint i = max<uint>(1, this->vscroll->GetPosition()); i <= _stations_nearby_list.Length(); ++i, y += this->resize.step_height) {
    02314       /* Don't draw anything if it extends past the end of the window. */
    02315       if (i - this->vscroll->GetPosition() >= this->vscroll->GetCapacity()) break;
    02316
    02317       const T *st = T::Get(_stations_nearby_list[i - 1]);
    02318       SetDParam(0, st->index);
    02319       SetDParam(1, st->facilities);
    02320       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);
    02321     }
    02322   }
    02323
    02324   virtual void OnClick(Point pt, int widget, int click_count)
    02325   {
    02326     if (widget != WID_JS_PANEL) return;
    02327
    02328     uint st_index = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_JS_PANEL, WD_FRAMERECT_TOP);
    02329     bool distant_join = (st_index > 0);
    02330     if (distant_join) st_index--;
    02331
    02332     if (distant_join && st_index >= _stations_nearby_list.Length()) return;
    02333
    02334     /* Insert station to be joined into stored command */
    02335     SB(this->select_station_cmd.p2, 16, 16,
    02336        (distant_join ? _stations_nearby_list[st_index] : NEW_STATION));
    02337
    02338     /* Execute stored Command */
    02339     DoCommandP(&this->select_station_cmd);
    02340
    02341     /* Close Window; this might cause double frees! */
    02342     DeleteWindowById(WC_SELECT_STATION, 0);
    02343   }
    02344
    02345   virtual void OnTick()
    02346   {
    02347     if (_thd.dirty & 2) {
    02348       _thd.dirty &= ~2;
    02349       this->SetDirty();
    02350     }
    02351   }
    02352
    02353   virtual void OnResize()
    02354   {
    02355     this->vscroll->SetCapacityFromWidget(this, WID_JS_PANEL, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM);
    02356   }
    02357
    02363   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    02364   {
    02365     if (!gui_scope) return;
    02366     FindStationsNearby<T>(this->area, true);
    02367     this->vscroll->SetCount(_stations_nearby_list.Length() + 1);
    02368     this->SetDirty();
    02369   }
    02370 };
    02371
    02372 static const WindowDesc _select_station_desc(
    02373   WDP_AUTO, 200, 180,
    02374   WC_SELECT_STATION, WC_NONE,
    02375   WDF_CONSTRUCTION,
    02376   _nested_select_station_widgets, lengthof(_nested_select_station_widgets)
    02377 );
    02378
    02379
    02387 template <class T>
    02388 static bool StationJoinerNeeded(CommandContainer cmd, TileArea ta)
    02389 {
    02390   /* Only show selection if distant join is enabled in the settings */
    02391   if (!_settings_game.station.distant_join_stations) return false;
    02392
    02393   /* If a window is already opened and we didn't ctrl-click,
    02394    * return true (i.e. just flash the old window) */
    02395   Window *selection_window = FindWindowById(WC_SELECT_STATION, 0);
    02396   if (selection_window != NULL) {
    02397     /* Abort current distant-join and start new one */
    02398     delete selection_window;
    02399     UpdateTileSelection();
    02400   }
    02401
    02402   /* only show the popup, if we press ctrl */
    02403   if (!_ctrl_pressed) return false;
    02404
    02405   /* Now check if we could build there */
    02406   if (DoCommand(&cmd, CommandFlagsToDCFlags(GetCommandFlags(cmd.cmd))).Failed()) return false;
    02407
    02408   /* Test for adjacent station or station below selection.
    02409    * If adjacent-stations is disabled and we are building next to a station, do not show the selection window.
    02410    * but join the other station immediately. */
    02411   const T *st = FindStationsNearby<T>(ta, false);
    02412   return st == NULL && (_settings_game.station.adjacent_stations || _stations_nearby_list.Length() == 0);
    02413 }
    02414
    02421 template <class T>
    02422 void ShowSelectBaseStationIfNeeded(CommandContainer cmd, TileArea ta)
    02423 {
    02424   if (StationJoinerNeeded<T>(cmd, ta)) {
    02425     if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
    02426     new SelectStationWindow<T>(&_select_station_desc, cmd, ta);
    02427   } else {
    02428     DoCommandP(&cmd);
    02429   }
    02430 }
    02431
    02437 void ShowSelectStationIfNeeded(CommandContainer cmd, TileArea ta)
    02438 {
    02439   ShowSelectBaseStationIfNeeded<Station>(cmd, ta);
    02440 }
    02441
    02447 void ShowSelectWaypointIfNeeded(CommandContainer cmd, TileArea ta)
    02448 {
    02449   ShowSelectBaseStationIfNeeded<Waypoint>(cmd, ta);
    02450 }