build_vehicle_gui.cpp

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00001 /* $Id: build_vehicle_gui.cpp 15826 2009-03-23 00:12:52Z rubidium $ */
00002 
00005 #include "train.h"
00006 #include "roadveh.h"
00007 #include "ship.h"
00008 #include "aircraft.h"
00009 #include "articulated_vehicles.h"
00010 #include "textbuf_gui.h"
00011 #include "command_func.h"
00012 #include "company_func.h"
00013 #include "vehicle_gui.h"
00014 #include "newgrf_engine.h"
00015 #include "group.h"
00016 #include "strings_func.h"
00017 #include "window_func.h"
00018 #include "date_func.h"
00019 #include "vehicle_func.h"
00020 #include "gfx_func.h"
00021 #include "widgets/dropdown_func.h"
00022 #include "window_gui.h"
00023 #include "engine_gui.h"
00024 #include "settings_type.h"
00025 
00026 #include "table/sprites.h"
00027 #include "table/strings.h"
00028 
00029 enum BuildVehicleWidgets {
00030   BUILD_VEHICLE_WIDGET_CLOSEBOX = 0,
00031   BUILD_VEHICLE_WIDGET_CAPTION,
00032   BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING,
00033   BUILD_VEHICLE_WIDGET_SORT_DROPDOWN,
00034   BUILD_VEHICLE_WIDGET_LIST,
00035   BUILD_VEHICLE_WIDGET_SCROLLBAR,
00036   BUILD_VEHICLE_WIDGET_PANEL,
00037   BUILD_VEHICLE_WIDGET_BUILD,
00038   BUILD_VEHICLE_WIDGET_RENAME,
00039   BUILD_VEHICLE_WIDGET_RESIZE,
00040   BUILD_VEHICLE_WIDGET_END
00041 };
00042 
00043 static const Widget _build_vehicle_widgets[] = {
00044   {   WWT_CLOSEBOX,   RESIZE_NONE,  COLOUR_GREY,     0,    10,     0,    13, STR_00C5,                STR_018B_CLOSE_WINDOW },
00045   {    WWT_CAPTION,  RESIZE_RIGHT,  COLOUR_GREY,    11,   239,     0,    13, 0x0,                     STR_018C_WINDOW_TITLE_DRAG_THIS },
00046   { WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_GREY,     0,    80,    14,    25, STR_SORT_BY,             STR_SORT_ORDER_TIP},
00047   {   WWT_DROPDOWN,  RESIZE_RIGHT,  COLOUR_GREY,    81,   239,    14,    25, 0x0,                     STR_SORT_CRITERIA_TIP},
00048   {     WWT_MATRIX,     RESIZE_RB,  COLOUR_GREY,     0,   227,    26,    39, 0x101,                   STR_NULL },
00049   {  WWT_SCROLLBAR,    RESIZE_LRB,  COLOUR_GREY,   228,   239,    26,    39, 0x0,                     STR_0190_SCROLL_BAR_SCROLLS_LIST },
00050   {      WWT_PANEL,    RESIZE_RTB,  COLOUR_GREY,     0,   239,    40,   161, 0x0,                     STR_NULL },
00051 
00052   { WWT_PUSHTXTBTN,     RESIZE_TB,  COLOUR_GREY,     0,   114,   162,   173, 0x0,                     STR_NULL },
00053   { WWT_PUSHTXTBTN,    RESIZE_RTB,  COLOUR_GREY,   115,   227,   162,   173, 0x0,                     STR_NULL },
00054   {  WWT_RESIZEBOX,   RESIZE_LRTB,  COLOUR_GREY,   228,   239,   162,   173, 0x0,                     STR_RESIZE_BUTTON },
00055   {   WIDGETS_END},
00056 };
00057 
00058 
00059 static bool _internal_sort_order; // descending/ascending
00060 static byte _last_sort_criteria[]    = {0, 0, 0, 0};
00061 static bool _last_sort_order[]       = {false, false, false, false};
00062 
00063 static int CDECL EngineNumberSorter(const void *a, const void *b)
00064 {
00065   const EngineID va = *(const EngineID*)a;
00066   const EngineID vb = *(const EngineID*)b;
00067   int r = ListPositionOfEngine(va) - ListPositionOfEngine(vb);
00068 
00069   return _internal_sort_order ? -r : r;
00070 }
00071 
00072 static int CDECL EngineIntroDateSorter(const void *a, const void *b)
00073 {
00074   const int va = GetEngine(*(const EngineID*)a)->intro_date;
00075   const int vb = GetEngine(*(const EngineID*)b)->intro_date;
00076   const int r = va - vb;
00077 
00078   /* Use EngineID to sort instead since we want consistent sorting */
00079   if (r == 0) return EngineNumberSorter(a, b);
00080   return _internal_sort_order ? -r : r;
00081 }
00082 
00083 static int CDECL EngineNameSorter(const void *a, const void *b)
00084 {
00085   static EngineID last_engine[2] = { INVALID_ENGINE, INVALID_ENGINE };
00086   static char     last_name[2][64] = { "\0", "\0" };
00087 
00088   const EngineID va = *(const EngineID*)a;
00089   const EngineID vb = *(const EngineID*)b;
00090 
00091   if (va != last_engine[0]) {
00092     last_engine[0] = va;
00093     SetDParam(0, va);
00094     GetString(last_name[0], STR_ENGINE_NAME, lastof(last_name[0]));
00095   }
00096 
00097   if (vb != last_engine[1]) {
00098     last_engine[1] = vb;
00099     SetDParam(0, vb);
00100     GetString(last_name[1], STR_ENGINE_NAME, lastof(last_name[1]));
00101   }
00102 
00103   int r = strcmp(last_name[0], last_name[1]); // sort by name
00104 
00105   /* Use EngineID to sort instead since we want consistent sorting */
00106   if (r == 0) return EngineNumberSorter(a, b);
00107   return _internal_sort_order ? -r : r;
00108 }
00109 
00110 static int CDECL EngineReliabilitySorter(const void *a, const void *b)
00111 {
00112   const int va = GetEngine(*(const EngineID*)a)->reliability;
00113   const int vb = GetEngine(*(const EngineID*)b)->reliability;
00114   const int r = va - vb;
00115 
00116   /* Use EngineID to sort instead since we want consistent sorting */
00117   if (r == 0) return EngineNumberSorter(a, b);
00118   return _internal_sort_order ? -r : r;
00119 }
00120 
00121 static int CDECL EngineCostSorter(const void *a, const void *b)
00122 {
00123   Money va = GetEngine(*(const EngineID*)a)->GetCost();
00124   Money vb = GetEngine(*(const EngineID*)b)->GetCost();
00125   int r = ClampToI32(va - vb);
00126 
00127   /* Use EngineID to sort instead since we want consistent sorting */
00128   if (r == 0) return EngineNumberSorter(a, b);
00129   return _internal_sort_order ? -r : r;
00130 }
00131 
00132 static int CDECL EngineSpeedSorter(const void *a, const void *b)
00133 {
00134   int va = GetEngine(*(const EngineID*)a)->GetDisplayMaxSpeed();
00135   int vb = GetEngine(*(const EngineID*)b)->GetDisplayMaxSpeed();
00136   int r = va - vb;
00137 
00138   /* Use EngineID to sort instead since we want consistent sorting */
00139   if (r == 0) return EngineNumberSorter(a, b);
00140   return _internal_sort_order ? -r : r;
00141 }
00142 
00143 static int CDECL EnginePowerSorter(const void *a, const void *b)
00144 {
00145   int va = GetEngine(*(const EngineID*)a)->GetPower();
00146   int vb = GetEngine(*(const EngineID*)b)->GetPower();
00147   int r = va - vb;
00148 
00149   /* Use EngineID to sort instead since we want consistent sorting */
00150   if (r == 0) return EngineNumberSorter(a, b);
00151   return _internal_sort_order ? -r : r;
00152 }
00153 
00154 static int CDECL EngineRunningCostSorter(const void *a, const void *b)
00155 {
00156   Money va = GetEngine(*(const EngineID*)a)->GetRunningCost();
00157   Money vb = GetEngine(*(const EngineID*)b)->GetRunningCost();
00158   int r = ClampToI32(va - vb);
00159 
00160   /* Use EngineID to sort instead since we want consistent sorting */
00161   if (r == 0) return EngineNumberSorter(a, b);
00162   return _internal_sort_order ? -r : r;
00163 }
00164 
00165 /* Train sorting functions */
00166 static int CDECL TrainEnginePowerVsRunningCostSorter(const void *a, const void *b)
00167 {
00168   const Engine *e_a = GetEngine(*(const EngineID*)a);
00169   const Engine *e_b = GetEngine(*(const EngineID*)b);
00170 
00171   /* Here we are using a few tricks to get the right sort.
00172    * We want power/running cost, but since we usually got higher running cost than power and we store the result in an int,
00173    * we will actually calculate cunning cost/power (to make it more than 1).
00174    * Because of this, the return value have to be reversed as well and we return b - a instead of a - b.
00175    * Another thing is that both power and running costs should be doubled for multiheaded engines.
00176    * Since it would be multipling with 2 in both numerator and denumerator, it will even themselves out and we skip checking for multiheaded. */
00177   Money va = (e_a->GetRunningCost()) / max(1U, (uint)e_a->GetPower());
00178   Money vb = (e_b->GetRunningCost()) / max(1U, (uint)e_b->GetPower());
00179   int r = ClampToI32(vb - va);
00180 
00181   /* Use EngineID to sort instead since we want consistent sorting */
00182   if (r == 0) return EngineNumberSorter(a, b);
00183   return _internal_sort_order ? -r : r;
00184 }
00185 
00186 static int CDECL TrainEngineCapacitySorter(const void *a, const void *b)
00187 {
00188   const RailVehicleInfo *rvi_a = RailVehInfo(*(const EngineID*)a);
00189   const RailVehicleInfo *rvi_b = RailVehInfo(*(const EngineID*)b);
00190 
00191   int va = GetTotalCapacityOfArticulatedParts(*(const EngineID*)a, VEH_TRAIN) * (rvi_a->railveh_type == RAILVEH_MULTIHEAD ? 2 : 1);
00192   int vb = GetTotalCapacityOfArticulatedParts(*(const EngineID*)b, VEH_TRAIN) * (rvi_b->railveh_type == RAILVEH_MULTIHEAD ? 2 : 1);
00193   int r = va - vb;
00194 
00195   /* Use EngineID to sort instead since we want consistent sorting */
00196   if (r == 0) return EngineNumberSorter(a, b);
00197   return _internal_sort_order ? -r : r;
00198 }
00199 
00200 static int CDECL TrainEnginesThenWagonsSorter(const void *a, const void *b)
00201 {
00202   EngineID va = *(const EngineID*)a;
00203   EngineID vb = *(const EngineID*)b;
00204   int val_a = (RailVehInfo(va)->railveh_type == RAILVEH_WAGON ? 1 : 0);
00205   int val_b = (RailVehInfo(vb)->railveh_type == RAILVEH_WAGON ? 1 : 0);
00206   int r = val_a - val_b;
00207 
00208   /* Use EngineID to sort instead since we want consistent sorting */
00209   if (r == 0) return EngineNumberSorter(a, b);
00210   return _internal_sort_order ? -r : r;
00211 }
00212 
00213 /* Road vehicle sorting functions */
00214 static int CDECL RoadVehEngineCapacitySorter(const void *a, const void *b)
00215 {
00216   int va = GetTotalCapacityOfArticulatedParts(*(const EngineID*)a, VEH_ROAD);
00217   int vb = GetTotalCapacityOfArticulatedParts(*(const EngineID*)b, VEH_ROAD);
00218   int r = va - vb;
00219 
00220   /* Use EngineID to sort instead since we want consistent sorting */
00221   if (r == 0) return EngineNumberSorter(a, b);
00222   return _internal_sort_order ? -r : r;
00223 }
00224 
00225 /* Ship vehicle sorting functions */
00226 static int CDECL ShipEngineCapacitySorter(const void *a, const void *b)
00227 {
00228   const Engine *e_a = GetEngine(*(const EngineID*)a);
00229   const Engine *e_b = GetEngine(*(const EngineID*)b);
00230 
00231   int va = e_a->GetDisplayDefaultCapacity();
00232   int vb = e_b->GetDisplayDefaultCapacity();
00233   int r = va - vb;
00234 
00235   /* Use EngineID to sort instead since we want consistent sorting */
00236   if (r == 0) return EngineNumberSorter(a, b);
00237   return _internal_sort_order ? -r : r;
00238 }
00239 
00240 /* Aircraft sorting functions */
00241 static int CDECL AircraftEngineCargoSorter(const void *a, const void *b)
00242 {
00243   const Engine *e_a = GetEngine(*(const EngineID*)a);
00244   const Engine *e_b = GetEngine(*(const EngineID*)b);
00245 
00246   int va = e_a->GetDisplayDefaultCapacity();
00247   int vb = e_b->GetDisplayDefaultCapacity();
00248   int r = va - vb;
00249 
00250   if (r == 0) {
00251     /* The planes has the same passenger capacity. Check mail capacity instead */
00252     va = AircraftVehInfo(*(const EngineID*)a)->mail_capacity;
00253     vb = AircraftVehInfo(*(const EngineID*)b)->mail_capacity;
00254     r = va - vb;
00255 
00256     if (r == 0) {
00257       /* Use EngineID to sort instead since we want consistent sorting */
00258       return EngineNumberSorter(a, b);
00259     }
00260   }
00261   return _internal_sort_order ? -r : r;
00262 }
00263 
00264 static EngList_SortTypeFunction * const _sorter[][10] = {{
00265   /* Trains */
00266   &EngineNumberSorter,
00267   &EngineCostSorter,
00268   &EngineSpeedSorter,
00269   &EnginePowerSorter,
00270   &EngineIntroDateSorter,
00271   &EngineNameSorter,
00272   &EngineRunningCostSorter,
00273   &TrainEnginePowerVsRunningCostSorter,
00274   &EngineReliabilitySorter,
00275   &TrainEngineCapacitySorter,
00276 }, {
00277   /* Road vehicles */
00278   &EngineNumberSorter,
00279   &EngineCostSorter,
00280   &EngineSpeedSorter,
00281   &EngineIntroDateSorter,
00282   &EngineNameSorter,
00283   &EngineRunningCostSorter,
00284   &EngineReliabilitySorter,
00285   &RoadVehEngineCapacitySorter,
00286 }, {
00287   /* Ships */
00288   &EngineNumberSorter,
00289   &EngineCostSorter,
00290   &EngineSpeedSorter,
00291   &EngineIntroDateSorter,
00292   &EngineNameSorter,
00293   &EngineRunningCostSorter,
00294   &EngineReliabilitySorter,
00295   &ShipEngineCapacitySorter,
00296 }, {
00297   /* Aircraft */
00298   &EngineNumberSorter,
00299   &EngineCostSorter,
00300   &EngineSpeedSorter,
00301   &EngineIntroDateSorter,
00302   &EngineNameSorter,
00303   &EngineRunningCostSorter,
00304   &EngineReliabilitySorter,
00305   &AircraftEngineCargoSorter,
00306 }};
00307 
00308 static const StringID _sort_listing[][11] = {{
00309   /* Trains */
00310   STR_ENGINE_SORT_ENGINE_ID,
00311   STR_ENGINE_SORT_COST,
00312   STR_SORT_BY_MAX_SPEED,
00313   STR_ENGINE_SORT_POWER,
00314   STR_ENGINE_SORT_INTRO_DATE,
00315   STR_SORT_BY_DROPDOWN_NAME,
00316   STR_ENGINE_SORT_RUNNING_COST,
00317   STR_ENGINE_SORT_POWER_VS_RUNNING_COST,
00318   STR_SORT_BY_RELIABILITY,
00319   STR_ENGINE_SORT_CARGO_CAPACITY,
00320   INVALID_STRING_ID
00321 }, {
00322   /* Road vehicles */
00323   STR_ENGINE_SORT_ENGINE_ID,
00324   STR_ENGINE_SORT_COST,
00325   STR_SORT_BY_MAX_SPEED,
00326   STR_ENGINE_SORT_INTRO_DATE,
00327   STR_SORT_BY_DROPDOWN_NAME,
00328   STR_ENGINE_SORT_RUNNING_COST,
00329   STR_SORT_BY_RELIABILITY,
00330   STR_ENGINE_SORT_CARGO_CAPACITY,
00331   INVALID_STRING_ID
00332 }, {
00333   /* Ships */
00334   STR_ENGINE_SORT_ENGINE_ID,
00335   STR_ENGINE_SORT_COST,
00336   STR_SORT_BY_MAX_SPEED,
00337   STR_ENGINE_SORT_INTRO_DATE,
00338   STR_SORT_BY_DROPDOWN_NAME,
00339   STR_ENGINE_SORT_RUNNING_COST,
00340   STR_SORT_BY_RELIABILITY,
00341   STR_ENGINE_SORT_CARGO_CAPACITY,
00342   INVALID_STRING_ID
00343 }, {
00344   /* Aircraft */
00345   STR_ENGINE_SORT_ENGINE_ID,
00346   STR_ENGINE_SORT_COST,
00347   STR_SORT_BY_MAX_SPEED,
00348   STR_ENGINE_SORT_INTRO_DATE,
00349   STR_SORT_BY_DROPDOWN_NAME,
00350   STR_ENGINE_SORT_RUNNING_COST,
00351   STR_SORT_BY_RELIABILITY,
00352   STR_ENGINE_SORT_CARGO_CAPACITY,
00353   INVALID_STRING_ID
00354 }};
00355 
00356 static int DrawCargoCapacityInfo(int x, int y, EngineID engine, VehicleType type, bool refittable)
00357 {
00358   uint16 *cap = GetCapacityOfArticulatedParts(engine, type);
00359 
00360   for (uint c = 0; c < NUM_CARGO; c++) {
00361     if (cap[c] == 0) continue;
00362 
00363     SetDParam(0, c);
00364     SetDParam(1, cap[c]);
00365     SetDParam(2, refittable ? STR_9842_REFITTABLE : STR_EMPTY);
00366     DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, TC_FROMSTRING);
00367     y += 10;
00368 
00369     /* Only show as refittable once */
00370     refittable = false;
00371   }
00372 
00373   return y;
00374 }
00375 
00376 /* Draw rail wagon specific details */
00377 static int DrawRailWagonPurchaseInfo(int x, int y, EngineID engine_number, const RailVehicleInfo *rvi)
00378 {
00379   const Engine *e = GetEngine(engine_number);
00380 
00381   /* Purchase cost */
00382   SetDParam(0, e->GetCost());
00383   DrawString(x, y, STR_PURCHASE_INFO_COST, TC_FROMSTRING);
00384   y += 10;
00385 
00386   /* Wagon weight - (including cargo) */
00387   uint weight = e->GetDisplayWeight();
00388   SetDParam(0, weight);
00389   uint cargo_weight = (e->CanCarryCargo() ? GetCargo(e->GetDefaultCargoType())->weight * e->GetDisplayDefaultCapacity() >> 4 : 0);
00390   SetDParam(1, cargo_weight + weight);
00391   DrawString(x, y, STR_PURCHASE_INFO_WEIGHT_CWEIGHT, TC_FROMSTRING);
00392   y += 10;
00393 
00394   /* Wagon speed limit, displayed if above zero */
00395   if (_settings_game.vehicle.wagon_speed_limits) {
00396     uint max_speed = e->GetDisplayMaxSpeed();
00397     if (max_speed > 0) {
00398       SetDParam(0, max_speed);
00399       DrawString(x, y, STR_PURCHASE_INFO_SPEED, TC_FROMSTRING);
00400       y += 10;
00401     }
00402   }
00403 
00404   /* Running cost */
00405   if (rvi->running_cost_class != 0xFF) {
00406     SetDParam(0, e->GetRunningCost());
00407     DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
00408     y += 10;
00409   }
00410 
00411   return y;
00412 }
00413 
00414 /* Draw locomotive specific details */
00415 static int DrawRailEnginePurchaseInfo(int x, int y, EngineID engine_number, const RailVehicleInfo *rvi)
00416 {
00417   const Engine *e = GetEngine(engine_number);
00418 
00419   /* Purchase Cost - Engine weight */
00420   SetDParam(0, e->GetCost());
00421   SetDParam(1, e->GetDisplayWeight());
00422   DrawString(x, y, STR_PURCHASE_INFO_COST_WEIGHT, TC_FROMSTRING);
00423   y += 10;
00424 
00425   /* Max speed - Engine power */
00426   SetDParam(0, e->GetDisplayMaxSpeed());
00427   SetDParam(1, e->GetPower());
00428   DrawString(x, y, STR_PURCHASE_INFO_SPEED_POWER, TC_FROMSTRING);
00429   y += 10;
00430 
00431   /* Max tractive effort - not applicable if old acceleration or maglev */
00432   if (_settings_game.vehicle.train_acceleration_model != TAM_ORIGINAL && rvi->railtype != RAILTYPE_MAGLEV) {
00433     SetDParam(0, e->GetDisplayMaxTractiveEffort());
00434     DrawString(x, y, STR_PURCHASE_INFO_MAX_TE, TC_FROMSTRING);
00435     y += 10;
00436   }
00437 
00438   /* Running cost */
00439   if (rvi->running_cost_class != 0xFF) {
00440     SetDParam(0, e->GetRunningCost());
00441     DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
00442     y += 10;
00443   }
00444 
00445   /* Powered wagons power - Powered wagons extra weight */
00446   if (rvi->pow_wag_power != 0) {
00447     SetDParam(0, rvi->pow_wag_power);
00448     SetDParam(1, rvi->pow_wag_weight);
00449     DrawString(x, y, STR_PURCHASE_INFO_PWAGPOWER_PWAGWEIGHT, TC_FROMSTRING);
00450     y += 10;
00451   };
00452 
00453   return y;
00454 }
00455 
00456 /* Draw road vehicle specific details */
00457 static int DrawRoadVehPurchaseInfo(int x, int y, EngineID engine_number)
00458 {
00459   const Engine *e = GetEngine(engine_number);
00460 
00461   /* Purchase cost - Max speed */
00462   SetDParam(0, e->GetCost());
00463   SetDParam(1, e->GetDisplayMaxSpeed());
00464   DrawString(x, y, STR_PURCHASE_INFO_COST_SPEED, TC_FROMSTRING);
00465   y += 10;
00466 
00467   /* Running cost */
00468   SetDParam(0, e->GetRunningCost());
00469   DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
00470   y += 10;
00471 
00472   return y;
00473 }
00474 
00475 /* Draw ship specific details */
00476 static int DrawShipPurchaseInfo(int x, int y, EngineID engine_number, const ShipVehicleInfo *svi, bool refittable)
00477 {
00478   const Engine *e = GetEngine(engine_number);
00479 
00480   /* Purchase cost - Max speed */
00481   SetDParam(0, e->GetCost());
00482   SetDParam(1, e->GetDisplayMaxSpeed());
00483   DrawString(x, y, STR_PURCHASE_INFO_COST_SPEED, TC_FROMSTRING);
00484   y += 10;
00485 
00486   /* Cargo type + capacity */
00487   SetDParam(0, e->GetDefaultCargoType());
00488   SetDParam(1, e->GetDisplayDefaultCapacity());
00489   SetDParam(2, refittable ? STR_9842_REFITTABLE : STR_EMPTY);
00490   DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, TC_FROMSTRING);
00491   y += 10;
00492 
00493   /* Running cost */
00494   SetDParam(0, e->GetRunningCost());
00495   DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
00496   y += 10;
00497 
00498   return y;
00499 }
00500 
00501 /* Draw aircraft specific details */
00502 static int DrawAircraftPurchaseInfo(int x, int y, EngineID engine_number, const AircraftVehicleInfo *avi, bool refittable)
00503 {
00504   const Engine *e = GetEngine(engine_number);
00505   CargoID cargo = e->GetDefaultCargoType();
00506 
00507   /* Purchase cost - Max speed */
00508   SetDParam(0, e->GetCost());
00509   SetDParam(1, e->GetDisplayMaxSpeed());
00510   DrawString(x, y, STR_PURCHASE_INFO_COST_SPEED, TC_FROMSTRING);
00511   y += 10;
00512 
00513   /* Cargo capacity */
00514   if (cargo == CT_INVALID || cargo == CT_PASSENGERS) {
00515     SetDParam(0, e->GetDisplayDefaultCapacity());
00516     SetDParam(1, avi->mail_capacity);
00517     DrawString(x, y, STR_PURCHASE_INFO_AIRCRAFT_CAPACITY, TC_FROMSTRING);
00518   } else {
00519     /* Note, if the default capacity is selected by the refit capacity
00520      * callback, then the capacity shown is likely to be incorrect. */
00521     SetDParam(0, cargo);
00522     SetDParam(1, e->GetDisplayDefaultCapacity());
00523     SetDParam(2, refittable ? STR_9842_REFITTABLE : STR_EMPTY);
00524     DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, TC_FROMSTRING);
00525   }
00526   y += 10;
00527 
00528   /* Running cost */
00529   SetDParam(0, e->GetRunningCost());
00530   DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
00531   y += 10;
00532 
00533   return y;
00534 }
00535 
00543 int DrawVehiclePurchaseInfo(int x, int y, uint w, EngineID engine_number)
00544 {
00545   const Engine *e = GetEngine(engine_number);
00546   YearMonthDay ymd;
00547   ConvertDateToYMD(e->intro_date, &ymd);
00548   bool refittable = IsArticulatedVehicleRefittable(engine_number);
00549 
00550   switch (e->type) {
00551     default: NOT_REACHED();
00552     case VEH_TRAIN: {
00553       const RailVehicleInfo *rvi = RailVehInfo(engine_number);
00554       if (rvi->railveh_type == RAILVEH_WAGON) {
00555         y = DrawRailWagonPurchaseInfo(x, y, engine_number, rvi);
00556       } else {
00557         y = DrawRailEnginePurchaseInfo(x, y, engine_number, rvi);
00558       }
00559 
00560       /* Cargo type + capacity, or N/A */
00561       int new_y = DrawCargoCapacityInfo(x, y, engine_number, VEH_TRAIN, refittable);
00562 
00563       if (new_y == y) {
00564         SetDParam(0, CT_INVALID);
00565         SetDParam(2, STR_EMPTY);
00566         DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, TC_FROMSTRING);
00567         y += 10;
00568       } else {
00569         y = new_y;
00570       }
00571       break;
00572     }
00573     case VEH_ROAD: {
00574       y = DrawRoadVehPurchaseInfo(x, y, engine_number);
00575 
00576       /* Cargo type + capacity, or N/A */
00577       int new_y = DrawCargoCapacityInfo(x, y, engine_number, VEH_ROAD, refittable);
00578 
00579       if (new_y == y) {
00580         SetDParam(0, CT_INVALID);
00581         SetDParam(2, STR_EMPTY);
00582         DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, TC_FROMSTRING);
00583         y += 10;
00584       } else {
00585         y = new_y;
00586       }
00587       break;
00588     }
00589     case VEH_SHIP:
00590       y = DrawShipPurchaseInfo(x, y, engine_number, ShipVehInfo(engine_number), refittable);
00591       break;
00592     case VEH_AIRCRAFT:
00593       y = DrawAircraftPurchaseInfo(x, y, engine_number, AircraftVehInfo(engine_number), refittable);
00594       break;
00595   }
00596 
00597   /* Draw details, that applies to all types except rail wagons */
00598   if (e->type != VEH_TRAIN || RailVehInfo(engine_number)->railveh_type != RAILVEH_WAGON) {
00599     /* Design date - Life length */
00600     SetDParam(0, ymd.year);
00601     SetDParam(1, e->lifelength);
00602     DrawString(x, y, STR_PURCHASE_INFO_DESIGNED_LIFE, TC_FROMSTRING);
00603     y += 10;
00604 
00605     /* Reliability */
00606     SetDParam(0, e->reliability * 100 >> 16);
00607     DrawString(x, y, STR_PURCHASE_INFO_RELIABILITY, TC_FROMSTRING);
00608     y += 10;
00609   }
00610 
00611   /* Additional text from NewGRF */
00612   y += ShowAdditionalText(x, y, w, engine_number);
00613   if (refittable) y += ShowRefitOptionsList(x, y, w, engine_number);
00614 
00615   return y;
00616 }
00617 
00618 static void DrawVehicleEngine(VehicleType type, int x, int y, EngineID engine, SpriteID pal)
00619 {
00620   switch (type) {
00621     case VEH_TRAIN:    DrawTrainEngine(   x, y, engine, pal); break;
00622     case VEH_ROAD:     DrawRoadVehEngine( x, y, engine, pal); break;
00623     case VEH_SHIP:     DrawShipEngine(    x, y, engine, pal); break;
00624     case VEH_AIRCRAFT: DrawAircraftEngine(x, y, engine, pal); break;
00625     default: NOT_REACHED();
00626   }
00627 }
00628 
00638 void DrawEngineList(VehicleType type, int x, int r, int y, const GUIEngineList *eng_list, uint16 min, uint16 max, EngineID selected_id, int count_location, GroupID selected_group)
00639 {
00640   byte step_size = GetVehicleListHeight(type);
00641   byte x_offset = 0;
00642   byte y_offset = 0;
00643 
00644   assert(max <= eng_list->Length());
00645 
00646   switch (type) {
00647     case VEH_TRAIN:
00648       x++; // train and road vehicles use the same offset, except trains are one more pixel to the right
00649       /* Fallthough */
00650     case VEH_ROAD:
00651       x += 26;
00652       x_offset = 30;
00653       y += 2;
00654       y_offset = 4;
00655       break;
00656     case VEH_SHIP:
00657       x += 35;
00658       x_offset = 40;
00659       y += 7;
00660       y_offset = 3;
00661       break;
00662     case VEH_AIRCRAFT:
00663       x += 27;
00664       x_offset = 33;
00665       y += 7;
00666       y_offset = 3;
00667       break;
00668     default: NOT_REACHED();
00669   }
00670 
00671   uint maxw = r - x - x_offset;
00672 
00673   for (; min < max; min++, y += step_size) {
00674     const EngineID engine = (*eng_list)[min];
00675     /* Note: num_engines is only used in the autoreplace GUI, so it is correct to use _local_company here. */
00676     const uint num_engines = GetGroupNumEngines(_local_company, selected_group, engine);
00677 
00678     SetDParam(0, engine);
00679     DrawStringTruncated(x + x_offset, y, STR_ENGINE_NAME, engine == selected_id ? TC_WHITE : TC_BLACK, maxw);
00680     DrawVehicleEngine(type, x, y + y_offset, engine, (count_location != 0 && num_engines == 0) ? PALETTE_CRASH : GetEnginePalette(engine, _local_company));
00681     if (count_location != 0) {
00682       SetDParam(0, num_engines);
00683       DrawStringRightAligned(count_location, y + (GetVehicleListHeight(type) == 14 ? 3 : 8), STR_TINY_BLACK, TC_FROMSTRING);
00684     }
00685   }
00686 }
00687 
00688 
00689 struct BuildVehicleWindow : Window {
00690   VehicleType vehicle_type;
00691   union {
00692     RailTypeByte railtype;
00693     AirportFTAClass::Flags flags;
00694     RoadTypes roadtypes;
00695   } filter;
00696   bool descending_sort_order;
00697   byte sort_criteria;
00698   bool regenerate_list;
00699   bool listview_mode;
00700   EngineID sel_engine;
00701   EngineID rename_engine;
00702   GUIEngineList eng_list;
00703 
00704   BuildVehicleWindow(const WindowDesc *desc, TileIndex tile, VehicleType type) : Window(desc, tile == INVALID_TILE ? (int)type : tile)
00705   {
00706     this->vehicle_type = type;
00707     int vlh = GetVehicleListHeight(this->vehicle_type);
00708 
00709     ResizeWindow(this, 0, vlh - 14);
00710     this->resize.step_height = vlh;
00711     this->vscroll.cap = 1;
00712     this->widget[BUILD_VEHICLE_WIDGET_LIST].data = 0x101;
00713 
00714     this->resize.width  = this->width;
00715     this->resize.height = this->height;
00716 
00717     this->owner = (tile != INVALID_TILE) ? GetTileOwner(tile) : _local_company;
00718 
00719     this->sel_engine      = INVALID_ENGINE;
00720     this->regenerate_list = false;
00721 
00722     this->sort_criteria         = _last_sort_criteria[type];
00723     this->descending_sort_order = _last_sort_order[type];
00724 
00725     switch (type) {
00726       default: NOT_REACHED();
00727       case VEH_TRAIN:
00728         this->filter.railtype = (tile == INVALID_TILE) ? RAILTYPE_END : GetRailType(tile);
00729         break;
00730       case VEH_ROAD:
00731         this->filter.roadtypes = (tile == INVALID_TILE) ? ROADTYPES_ALL : GetRoadTypes(tile);
00732       case VEH_SHIP:
00733         break;
00734       case VEH_AIRCRAFT:
00735         this->filter.flags =
00736           tile == INVALID_TILE ? AirportFTAClass::ALL : GetStationByTile(tile)->Airport()->flags;
00737         break;
00738     }
00739     this->SetupWindowStrings(type);
00740 
00741     this->listview_mode = (this->window_number <= VEH_END);
00742     /* If we are just viewing the list of vehicles, we do not need the Build button.
00743      * So we just hide it, and enlarge the Rename buton by the now vacant place. */
00744     if (this->listview_mode) {
00745       this->HideWidget(BUILD_VEHICLE_WIDGET_BUILD);
00746       this->widget[BUILD_VEHICLE_WIDGET_RENAME].left = this->widget[BUILD_VEHICLE_WIDGET_BUILD].left;
00747     } else {
00748       /* Both are visible, adjust the size of each */
00749       ResizeButtons(this, BUILD_VEHICLE_WIDGET_BUILD, BUILD_VEHICLE_WIDGET_RENAME);
00750     }
00751 
00752     this->GenerateBuildList(); // generate the list, since we need it in the next line
00753     /* Select the first engine in the list as default when opening the window */
00754     if (this->eng_list.Length() > 0) this->sel_engine = this->eng_list[0];
00755 
00756     this->FindWindowPlacementAndResize(desc);
00757   }
00758 
00759   /* Setup widget strings to fit the different types of vehicles */
00760   void SetupWindowStrings(VehicleType type)
00761   {
00762     switch (type) {
00763       default: NOT_REACHED();
00764 
00765       case VEH_TRAIN:
00766         this->widget[BUILD_VEHICLE_WIDGET_CAPTION].data    = this->listview_mode ? STR_AVAILABLE_TRAINS : STR_JUST_STRING;
00767         this->widget[BUILD_VEHICLE_WIDGET_LIST].tooltips   = STR_8843_TRAIN_VEHICLE_SELECTION;
00768         this->widget[BUILD_VEHICLE_WIDGET_BUILD].data      = STR_881F_BUILD_VEHICLE;
00769         this->widget[BUILD_VEHICLE_WIDGET_BUILD].tooltips  = STR_8844_BUILD_THE_HIGHLIGHTED_TRAIN;
00770         this->widget[BUILD_VEHICLE_WIDGET_RENAME].data     = STR_8820_RENAME;
00771         this->widget[BUILD_VEHICLE_WIDGET_RENAME].tooltips = STR_8845_RENAME_TRAIN_VEHICLE_TYPE;
00772         break;
00773 
00774       case VEH_ROAD:
00775         this->widget[BUILD_VEHICLE_WIDGET_CAPTION].data    = this->listview_mode ? STR_AVAILABLE_ROAD_VEHICLES : STR_9006_NEW_ROAD_VEHICLES;
00776         this->widget[BUILD_VEHICLE_WIDGET_LIST].tooltips   = STR_9026_ROAD_VEHICLE_SELECTION;
00777         this->widget[BUILD_VEHICLE_WIDGET_BUILD].data      = STR_9007_BUILD_VEHICLE;
00778         this->widget[BUILD_VEHICLE_WIDGET_BUILD].tooltips  = STR_9027_BUILD_THE_HIGHLIGHTED_ROAD;
00779         this->widget[BUILD_VEHICLE_WIDGET_RENAME].data     = STR_9034_RENAME;
00780         this->widget[BUILD_VEHICLE_WIDGET_RENAME].tooltips = STR_9035_RENAME_ROAD_VEHICLE_TYPE;
00781         break;
00782 
00783       case VEH_SHIP:
00784         this->widget[BUILD_VEHICLE_WIDGET_CAPTION].data    = this->listview_mode ? STR_AVAILABLE_SHIPS : STR_9808_NEW_SHIPS;
00785         this->widget[BUILD_VEHICLE_WIDGET_LIST].tooltips   = STR_9825_SHIP_SELECTION_LIST_CLICK;
00786         this->widget[BUILD_VEHICLE_WIDGET_BUILD].data      = STR_9809_BUILD_SHIP;
00787         this->widget[BUILD_VEHICLE_WIDGET_BUILD].tooltips  = STR_9826_BUILD_THE_HIGHLIGHTED_SHIP;
00788         this->widget[BUILD_VEHICLE_WIDGET_RENAME].data     = STR_9836_RENAME;
00789         this->widget[BUILD_VEHICLE_WIDGET_RENAME].tooltips = STR_9837_RENAME_SHIP_TYPE;
00790         break;
00791 
00792       case VEH_AIRCRAFT:
00793         this->widget[BUILD_VEHICLE_WIDGET_CAPTION].data    = this->listview_mode ? STR_AVAILABLE_AIRCRAFT : STR_A005_NEW_AIRCRAFT;
00794         this->widget[BUILD_VEHICLE_WIDGET_LIST].tooltips   = STR_A025_AIRCRAFT_SELECTION_LIST;
00795         this->widget[BUILD_VEHICLE_WIDGET_BUILD].data      = STR_A006_BUILD_AIRCRAFT;
00796         this->widget[BUILD_VEHICLE_WIDGET_BUILD].tooltips  = STR_A026_BUILD_THE_HIGHLIGHTED_AIRCRAFT;
00797         this->widget[BUILD_VEHICLE_WIDGET_RENAME].data     = STR_A037_RENAME;
00798         this->widget[BUILD_VEHICLE_WIDGET_RENAME].tooltips = STR_A038_RENAME_AIRCRAFT_TYPE;
00799         break;
00800     }
00801   }
00802 
00803   /* Figure out what train EngineIDs to put in the list */
00804   void GenerateBuildTrainList()
00805   {
00806     EngineID sel_id = INVALID_ENGINE;
00807     int num_engines = 0;
00808     int num_wagons  = 0;
00809 
00810     this->filter.railtype = (this->listview_mode) ? RAILTYPE_END : GetRailType(this->window_number);
00811 
00812     this->eng_list.Clear();
00813 
00814     /* Make list of all available train engines and wagons.
00815      * Also check to see if the previously selected engine is still available,
00816      * and if not, reset selection to INVALID_ENGINE. This could be the case
00817      * when engines become obsolete and are removed */
00818     const Engine *e;
00819     FOR_ALL_ENGINES_OF_TYPE(e, VEH_TRAIN) {
00820       EngineID eid = e->index;
00821       const RailVehicleInfo *rvi = &e->u.rail;
00822 
00823       if (this->filter.railtype != RAILTYPE_END && !HasPowerOnRail(rvi->railtype, this->filter.railtype)) continue;
00824       if (!IsEngineBuildable(eid, VEH_TRAIN, _local_company)) continue;
00825 
00826       *this->eng_list.Append() = eid;
00827 
00828       if (rvi->railveh_type != RAILVEH_WAGON) {
00829         num_engines++;
00830       } else {
00831         num_wagons++;
00832       }
00833 
00834       if (eid == this->sel_engine) sel_id = eid;
00835     }
00836 
00837     this->sel_engine = sel_id;
00838 
00839     /* make engines first, and then wagons, sorted by ListPositionOfEngine() */
00840     _internal_sort_order = false;
00841     EngList_Sort(&this->eng_list, TrainEnginesThenWagonsSorter);
00842 
00843     /* and then sort engines */
00844     _internal_sort_order = this->descending_sort_order;
00845     EngList_SortPartial(&this->eng_list, _sorter[0][this->sort_criteria], 0, num_engines);
00846 
00847     /* and finally sort wagons */
00848     EngList_SortPartial(&this->eng_list, _sorter[0][this->sort_criteria], num_engines, num_wagons);
00849   }
00850 
00851   /* Figure out what road vehicle EngineIDs to put in the list */
00852   void GenerateBuildRoadVehList()
00853   {
00854     EngineID sel_id = INVALID_ENGINE;
00855 
00856     this->eng_list.Clear();
00857 
00858     const Engine *e;
00859     FOR_ALL_ENGINES_OF_TYPE(e, VEH_ROAD) {
00860       EngineID eid = e->index;
00861       if (!IsEngineBuildable(eid, VEH_ROAD, _local_company)) continue;
00862       if (!HasBit(this->filter.roadtypes, HasBit(EngInfo(eid)->misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD)) continue;
00863       *this->eng_list.Append() = eid;
00864 
00865       if (eid == this->sel_engine) sel_id = eid;
00866     }
00867     this->sel_engine = sel_id;
00868   }
00869 
00870   /* Figure out what ship EngineIDs to put in the list */
00871   void GenerateBuildShipList()
00872   {
00873     EngineID sel_id = INVALID_ENGINE;
00874     this->eng_list.Clear();
00875 
00876     const Engine *e;
00877     FOR_ALL_ENGINES_OF_TYPE(e, VEH_SHIP) {
00878       EngineID eid = e->index;
00879       if (!IsEngineBuildable(eid, VEH_SHIP, _local_company)) continue;
00880       *this->eng_list.Append() = eid;
00881 
00882       if (eid == this->sel_engine) sel_id = eid;
00883     }
00884     this->sel_engine = sel_id;
00885   }
00886 
00887   /* Figure out what aircraft EngineIDs to put in the list */
00888   void GenerateBuildAircraftList()
00889   {
00890     EngineID sel_id = INVALID_ENGINE;
00891 
00892     this->eng_list.Clear();
00893 
00894     const Station *st = this->listview_mode ? NULL : GetStationByTile(this->window_number);
00895 
00896     /* Make list of all available planes.
00897      * Also check to see if the previously selected plane is still available,
00898      * and if not, reset selection to INVALID_ENGINE. This could be the case
00899      * when planes become obsolete and are removed */
00900     const Engine *e;
00901     FOR_ALL_ENGINES_OF_TYPE(e, VEH_AIRCRAFT) {
00902       EngineID eid = e->index;
00903       if (!IsEngineBuildable(eid, VEH_AIRCRAFT, _local_company)) continue;
00904       /* First VEH_END window_numbers are fake to allow a window open for all different types at once */
00905       if (!this->listview_mode && !CanVehicleUseStation(eid, st)) continue;
00906 
00907       *this->eng_list.Append() = eid;
00908       if (eid == this->sel_engine) sel_id = eid;
00909     }
00910 
00911     this->sel_engine = sel_id;
00912   }
00913 
00914   /* Generate the list of vehicles */
00915   void GenerateBuildList()
00916   {
00917     switch (this->vehicle_type) {
00918       default: NOT_REACHED();
00919       case VEH_TRAIN:
00920         this->GenerateBuildTrainList();
00921         return; // trains should not reach the last sorting
00922       case VEH_ROAD:
00923         this->GenerateBuildRoadVehList();
00924         break;
00925       case VEH_SHIP:
00926         this->GenerateBuildShipList();
00927         break;
00928       case VEH_AIRCRAFT:
00929         this->GenerateBuildAircraftList();
00930         break;
00931     }
00932     _internal_sort_order = this->descending_sort_order;
00933     EngList_Sort(&this->eng_list, _sorter[this->vehicle_type][this->sort_criteria]);
00934   }
00935 
00936   void OnClick(Point pt, int widget)
00937   {
00938     switch (widget) {
00939       case BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING:
00940         this->descending_sort_order ^= true;
00941         _last_sort_order[this->vehicle_type] = this->descending_sort_order;
00942         this->regenerate_list = true;
00943         this->SetDirty();
00944         break;
00945 
00946       case BUILD_VEHICLE_WIDGET_LIST: {
00947         uint i = (pt.y - this->widget[BUILD_VEHICLE_WIDGET_LIST].top) / GetVehicleListHeight(this->vehicle_type) + this->vscroll.pos;
00948         size_t num_items = this->eng_list.Length();
00949         this->sel_engine = (i < num_items) ? this->eng_list[i] : INVALID_ENGINE;
00950         this->SetDirty();
00951         break;
00952       }
00953 
00954       case BUILD_VEHICLE_WIDGET_SORT_DROPDOWN: // Select sorting criteria dropdown menu
00955         ShowDropDownMenu(this, _sort_listing[this->vehicle_type], this->sort_criteria, BUILD_VEHICLE_WIDGET_SORT_DROPDOWN, 0, 0);
00956         break;
00957 
00958       case BUILD_VEHICLE_WIDGET_BUILD: {
00959         EngineID sel_eng = this->sel_engine;
00960         if (sel_eng != INVALID_ENGINE) {
00961           switch (this->vehicle_type) {
00962             default: NOT_REACHED();
00963             case VEH_TRAIN:
00964               DoCommandP(this->window_number, sel_eng, 0,
00965                   CMD_BUILD_RAIL_VEHICLE | CMD_MSG(STR_882B_CAN_T_BUILD_RAILROAD_VEHICLE),
00966                   (RailVehInfo(sel_eng)->railveh_type == RAILVEH_WAGON) ? CcBuildWagon : CcBuildLoco);
00967               break;
00968             case VEH_ROAD:
00969               DoCommandP(this->window_number, sel_eng, 0, CMD_BUILD_ROAD_VEH | CMD_MSG(STR_9009_CAN_T_BUILD_ROAD_VEHICLE), CcBuildRoadVeh);
00970               break;
00971             case VEH_SHIP:
00972               DoCommandP(this->window_number, sel_eng, 0, CMD_BUILD_SHIP | CMD_MSG(STR_980D_CAN_T_BUILD_SHIP), CcBuildShip);
00973               break;
00974             case VEH_AIRCRAFT:
00975               DoCommandP(this->window_number, sel_eng, 0, CMD_BUILD_AIRCRAFT | CMD_MSG(STR_A008_CAN_T_BUILD_AIRCRAFT), CcBuildAircraft);
00976               break;
00977           }
00978         }
00979         break;
00980       }
00981 
00982       case BUILD_VEHICLE_WIDGET_RENAME: {
00983         EngineID sel_eng = this->sel_engine;
00984         if (sel_eng != INVALID_ENGINE) {
00985           StringID str = STR_NULL;
00986 
00987           this->rename_engine = sel_eng;
00988           switch (this->vehicle_type) {
00989             default: NOT_REACHED();
00990             case VEH_TRAIN:    str = STR_886A_RENAME_TRAIN_VEHICLE_TYPE; break;
00991             case VEH_ROAD:     str = STR_9036_RENAME_ROAD_VEHICLE_TYPE;  break;
00992             case VEH_SHIP:     str = STR_9838_RENAME_SHIP_TYPE;          break;
00993             case VEH_AIRCRAFT: str = STR_A039_RENAME_AIRCRAFT_TYPE;      break;
00994           }
00995           SetDParam(0, sel_eng);
00996           ShowQueryString(STR_ENGINE_NAME, str, MAX_LENGTH_ENGINE_NAME_BYTES, MAX_LENGTH_ENGINE_NAME_PIXELS, this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT);
00997         }
00998         break;
00999       }
01000     }
01001   }
01002 
01003   virtual void OnInvalidateData(int data)
01004   {
01005     this->regenerate_list = true;
01006   }
01007 
01008   virtual void OnPaint()
01009   {
01010     if (this->regenerate_list) {
01011       this->regenerate_list = false;
01012       this->GenerateBuildList();
01013     }
01014 
01015     uint max = min(this->vscroll.pos + this->vscroll.cap, this->eng_list.Length());
01016 
01017     SetVScrollCount(this, this->eng_list.Length());
01018     if (this->vehicle_type == VEH_TRAIN) {
01019       if (this->filter.railtype == RAILTYPE_END) {
01020         SetDParam(0, STR_ALL_AVAIL_RAIL_VEHICLES);
01021       } else {
01022         const RailtypeInfo *rti = GetRailTypeInfo(this->filter.railtype);
01023         SetDParam(0, rti->strings.build_caption);
01024       }
01025     }
01026 
01027     /* Set text of sort by dropdown */
01028     this->widget[BUILD_VEHICLE_WIDGET_SORT_DROPDOWN].data = _sort_listing[this->vehicle_type][this->sort_criteria];
01029 
01030     this->DrawWidgets();
01031 
01032     DrawEngineList(this->vehicle_type, this->widget[BUILD_VEHICLE_WIDGET_LIST].left + 2, this->widget[BUILD_VEHICLE_WIDGET_LIST].right, this->widget[BUILD_VEHICLE_WIDGET_LIST].top + 1, &this->eng_list, this->vscroll.pos, max, this->sel_engine, 0, DEFAULT_GROUP);
01033 
01034     if (this->sel_engine != INVALID_ENGINE) {
01035       const Widget *wi = &this->widget[BUILD_VEHICLE_WIDGET_PANEL];
01036       int text_end = DrawVehiclePurchaseInfo(2, wi->top + 1, wi->right - wi->left - 2, this->sel_engine);
01037 
01038       if (text_end > wi->bottom) {
01039         this->SetDirty();
01040         ResizeWindowForWidget(this, BUILD_VEHICLE_WIDGET_PANEL, 0, text_end - wi->bottom);
01041         this->SetDirty();
01042       }
01043     }
01044 
01045     this->DrawSortButtonState(BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING, this->descending_sort_order ? SBS_DOWN : SBS_UP);
01046   }
01047 
01048   virtual void OnDoubleClick(Point pt, int widget)
01049   {
01050     if (widget == BUILD_VEHICLE_WIDGET_LIST) {
01051       /* When double clicking, we want to buy a vehicle */
01052       this->OnClick(pt, BUILD_VEHICLE_WIDGET_BUILD);
01053     }
01054   }
01055 
01056   virtual void OnQueryTextFinished(char *str)
01057   {
01058     if (str == NULL) return;
01059 
01060     StringID err_str = STR_NULL;
01061     switch (this->vehicle_type) {
01062       default: NOT_REACHED();
01063       case VEH_TRAIN:    err_str = STR_886B_CAN_T_RENAME_TRAIN_VEHICLE; break;
01064       case VEH_ROAD:     err_str = STR_9037_CAN_T_RENAME_ROAD_VEHICLE;  break;
01065       case VEH_SHIP:     err_str = STR_9839_CAN_T_RENAME_SHIP_TYPE;     break;
01066       case VEH_AIRCRAFT: err_str = STR_A03A_CAN_T_RENAME_AIRCRAFT_TYPE; break;
01067     }
01068     DoCommandP(0, this->rename_engine, 0, CMD_RENAME_ENGINE | CMD_MSG(err_str), NULL, str);
01069   }
01070 
01071   virtual void OnDropdownSelect(int widget, int index)
01072   {
01073     if (this->sort_criteria != index) {
01074       this->sort_criteria = index;
01075       _last_sort_criteria[this->vehicle_type] = this->sort_criteria;
01076       this->regenerate_list = true;
01077     }
01078     this->SetDirty();
01079   }
01080 
01081   virtual void OnResize(Point new_size, Point delta)
01082   {
01083     if (delta.x != 0 && !this->listview_mode) {
01084       ResizeButtons(this, BUILD_VEHICLE_WIDGET_BUILD, BUILD_VEHICLE_WIDGET_RENAME);
01085     }
01086     if (delta.y == 0) return;
01087 
01088     this->vscroll.cap += delta.y / (int)GetVehicleListHeight(this->vehicle_type);
01089     this->widget[BUILD_VEHICLE_WIDGET_LIST].data = (this->vscroll.cap << 8) + 1;
01090   }
01091 };
01092 
01093 static const WindowDesc _build_vehicle_desc(
01094   WDP_AUTO, WDP_AUTO, 240, 174, 240, 256,
01095   WC_BUILD_VEHICLE, WC_NONE,
01096   WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_RESIZABLE | WDF_CONSTRUCTION,
01097   _build_vehicle_widgets
01098 );
01099 
01100 void ShowBuildVehicleWindow(TileIndex tile, VehicleType type)
01101 {
01102   /* We want to be able to open both Available Train as Available Ships,
01103    *  so if tile == INVALID_TILE (Available XXX Window), use 'type' as unique number.
01104    *  As it always is a low value, it won't collide with any real tile
01105    *  number. */
01106   uint num = (tile == INVALID_TILE) ? (int)type : tile;
01107 
01108   assert(IsCompanyBuildableVehicleType(type));
01109 
01110   DeleteWindowById(WC_BUILD_VEHICLE, num);
01111 
01112   new BuildVehicleWindow(&_build_vehicle_desc, tile, type);
01113 }

Generated on Tue Jul 21 18:48:22 2009 for OpenTTD by  doxygen 1.5.6