rail_gui.cpp

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00001 /* $Id: rail_gui.cpp 20261 2010-07-31 18:27:54Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "gui.h"
00014 #include "window_gui.h"
00015 #include "station_gui.h"
00016 #include "terraform_gui.h"
00017 #include "viewport_func.h"
00018 #include "command_func.h"
00019 #include "waypoint_func.h"
00020 #include "newgrf_station.h"
00021 #include "company_base.h"
00022 #include "strings_func.h"
00023 #include "functions.h"
00024 #include "window_func.h"
00025 #include "date_func.h"
00026 #include "sound_func.h"
00027 #include "company_func.h"
00028 #include "widgets/dropdown_type.h"
00029 #include "tunnelbridge.h"
00030 #include "tilehighlight_func.h"
00031 #include "spritecache.h"
00032 #include "core/geometry_func.hpp"
00033 
00034 #include "station_map.h"
00035 #include "tunnelbridge_map.h"
00036 
00037 #include "table/sprites.h"
00038 #include "table/strings.h"
00039 
00040 static RailType _cur_railtype;               
00041 static bool _remove_button_clicked;          
00042 static DiagDirection _build_depot_direction; 
00043 static byte _waypoint_count = 1;             
00044 static byte _cur_waypoint_type;              
00045 static bool _convert_signal_button;          
00046 static SignalVariant _cur_signal_variant;    
00047 static SignalType _cur_signal_type;          
00048 
00049 /* Map the setting: default_signal_type to the corresponding signal type */
00050 static const SignalType _default_signal_type[] = {SIGTYPE_NORMAL, SIGTYPE_PBS, SIGTYPE_PBS_ONEWAY};
00051 
00052 struct RailStationGUISettings {
00053   Axis orientation;                 
00054 
00055   bool newstations;                 
00056   StationClassIDByte station_class; 
00057   byte station_type;                
00058   byte station_count;               
00059 };
00060 static RailStationGUISettings _railstation; 
00061 
00062 
00063 static void HandleStationPlacement(TileIndex start, TileIndex end);
00064 static void ShowBuildTrainDepotPicker(Window *parent);
00065 static void ShowBuildWaypointPicker(Window *parent);
00066 static void ShowStationBuilder(Window *parent);
00067 static void ShowSignalBuilder(Window *parent);
00068 
00069 void CcPlaySound1E(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00070 {
00071   if (result.Succeeded()) SndPlayTileFx(SND_20_SPLAT_2, tile);
00072 }
00073 
00074 static void GenericPlaceRail(TileIndex tile, int cmd)
00075 {
00076   DoCommandP(tile, _cur_railtype, cmd,
00077     _remove_button_clicked ?
00078     CMD_REMOVE_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00079     CMD_BUILD_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK),
00080     CcPlaySound1E
00081   );
00082 }
00083 
00084 static void PlaceRail_N(TileIndex tile)
00085 {
00086   VpStartPlaceSizing(tile, VPM_FIX_VERTICAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00087 }
00088 
00089 static void PlaceRail_NE(TileIndex tile)
00090 {
00091   VpStartPlaceSizing(tile, VPM_FIX_Y | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00092 }
00093 
00094 static void PlaceRail_E(TileIndex tile)
00095 {
00096   VpStartPlaceSizing(tile, VPM_FIX_HORIZONTAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00097 }
00098 
00099 static void PlaceRail_NW(TileIndex tile)
00100 {
00101   VpStartPlaceSizing(tile, VPM_FIX_X | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00102 }
00103 
00104 static void PlaceRail_AutoRail(TileIndex tile)
00105 {
00106   VpStartPlaceSizing(tile, VPM_RAILDIRS, DDSP_PLACE_RAIL);
00107 }
00108 
00115 static void PlaceExtraDepotRail(TileIndex tile, uint16 extra)
00116 {
00117   if (GetRailTileType(tile) != RAIL_TILE_NORMAL) return;
00118   if ((GetTrackBits(tile) & GB(extra, 8, 8)) == 0) return;
00119 
00120   DoCommandP(tile, _cur_railtype, extra & 0xFF, CMD_BUILD_SINGLE_RAIL);
00121 }
00122 
00124 static const uint16 _place_depot_extra[12] = {
00125   0x0604, 0x2102, 0x1202, 0x0505,  // First additional track for directions 0..3
00126   0x2400, 0x2801, 0x1800, 0x1401,  // Second additional track
00127   0x2203, 0x0904, 0x0A05, 0x1103,  // Third additional track
00128 };
00129 
00130 
00131 void CcRailDepot(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00132 {
00133   if (result.Failed()) return;
00134 
00135   DiagDirection dir = (DiagDirection)p2;
00136 
00137   SndPlayTileFx(SND_20_SPLAT_2, tile);
00138   if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00139 
00140   tile += TileOffsByDiagDir(dir);
00141 
00142   if (IsTileType(tile, MP_RAILWAY)) {
00143     PlaceExtraDepotRail(tile, _place_depot_extra[dir]);
00144     PlaceExtraDepotRail(tile, _place_depot_extra[dir + 4]);
00145     PlaceExtraDepotRail(tile, _place_depot_extra[dir + 8]);
00146   }
00147 }
00148 
00149 static void PlaceRail_Depot(TileIndex tile)
00150 {
00151   DoCommandP(tile, _cur_railtype, _build_depot_direction,
00152     CMD_BUILD_TRAIN_DEPOT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_DEPOT),
00153     CcRailDepot);
00154 }
00155 
00156 static void PlaceRail_Waypoint(TileIndex tile)
00157 {
00158   if (_remove_button_clicked) {
00159     VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_STATION);
00160     return;
00161   }
00162 
00163   Axis axis = GetAxisForNewWaypoint(tile);
00164   if (IsValidAxis(axis)) {
00165     /* Valid tile for waypoints */
00166     VpStartPlaceSizing(tile, axis == AXIS_X ? VPM_FIX_X : VPM_FIX_Y, DDSP_BUILD_STATION);
00167   } else {
00168     /* Tile where we can't build rail waypoints. This is always going to fail,
00169      * but provides the user with a proper error message. */
00170     DoCommandP(tile, 1 << 8 | 1 << 16, STAT_CLASS_WAYP | INVALID_STATION << 16, CMD_BUILD_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_WAYPOINT));
00171   }
00172 }
00173 
00174 void CcStation(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00175 {
00176   if (result.Failed()) return;
00177 
00178   SndPlayTileFx(SND_20_SPLAT_2, tile);
00179   /* Only close the station builder window if the default station and non persistent building is chosen. */
00180   if (_railstation.station_class == STAT_CLASS_DFLT && _railstation.station_type == 0 && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00181 }
00182 
00183 static void PlaceRail_Station(TileIndex tile)
00184 {
00185   if (_remove_button_clicked) {
00186     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_REMOVE_STATION);
00187     VpSetPlaceSizingLimit(-1);
00188   } else if (_settings_client.gui.station_dragdrop) {
00189     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_BUILD_STATION);
00190     VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00191   } else {
00192     uint32 p1 = _cur_railtype | _railstation.orientation << 4 | _settings_client.gui.station_numtracks << 8 | _settings_client.gui.station_platlength << 16 | _ctrl_pressed << 24;
00193     uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00194 
00195     int w = _settings_client.gui.station_numtracks;
00196     int h = _settings_client.gui.station_platlength;
00197     if (!_railstation.orientation) Swap(w, h);
00198 
00199     CommandContainer cmdcont = { tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00200     ShowSelectStationIfNeeded(cmdcont, TileArea(tile, w, h));
00201   }
00202 }
00203 
00209 static void GenericPlaceSignals(TileIndex tile)
00210 {
00211   TrackBits trackbits = TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_RAIL, 0));
00212 
00213   if (trackbits & TRACK_BIT_VERT) { // N-S direction
00214     trackbits = (_tile_fract_coords.x <= _tile_fract_coords.y) ? TRACK_BIT_RIGHT : TRACK_BIT_LEFT;
00215   }
00216 
00217   if (trackbits & TRACK_BIT_HORZ) { // E-W direction
00218     trackbits = (_tile_fract_coords.x + _tile_fract_coords.y <= 15) ? TRACK_BIT_UPPER : TRACK_BIT_LOWER;
00219   }
00220 
00221   Track track = FindFirstTrack(trackbits);
00222 
00223   if (_remove_button_clicked) {
00224     DoCommandP(tile, track, 0, CMD_REMOVE_SIGNALS | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM), CcPlaySound1E);
00225   } else {
00226     const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00227 
00228     /* Map the setting cycle_signal_types to the lower and upper allowed signal type. */
00229     static const uint cycle_bounds[] = {SIGTYPE_NORMAL | (SIGTYPE_LAST_NOPBS << 3), SIGTYPE_PBS | (SIGTYPE_LAST << 3), SIGTYPE_NORMAL | (SIGTYPE_LAST << 3)};
00230 
00231     /* various bitstuffed elements for CmdBuildSingleSignal() */
00232     uint32 p1 = track;
00233 
00234     if (w != NULL) {
00235       /* signal GUI is used */
00236       SB(p1, 3, 1, _ctrl_pressed);
00237       SB(p1, 4, 1, _cur_signal_variant);
00238       SB(p1, 5, 3, _cur_signal_type);
00239       SB(p1, 8, 1, _convert_signal_button);
00240       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00241     } else {
00242       SB(p1, 3, 1, _ctrl_pressed);
00243       SB(p1, 4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00244       SB(p1, 5, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00245       SB(p1, 8, 1, 0);
00246       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00247     }
00248 
00249     DoCommandP(tile, p1, 0, CMD_BUILD_SIGNALS |
00250       CMD_MSG((w != NULL && _convert_signal_button) ? STR_ERROR_SIGNAL_CAN_T_CONVERT_SIGNALS_HERE : STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00251       CcPlaySound1E);
00252   }
00253 }
00254 
00255 static void PlaceRail_Bridge(TileIndex tile)
00256 {
00257   VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_BUILD_BRIDGE);
00258 }
00259 
00261 void CcBuildRailTunnel(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00262 {
00263   if (result.Succeeded()) {
00264     SndPlayTileFx(SND_20_SPLAT_2, tile);
00265     if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00266   } else {
00267     SetRedErrorSquare(_build_tunnel_endtile);
00268   }
00269 }
00270 
00271 static void PlaceRail_Tunnel(TileIndex tile)
00272 {
00273   DoCommandP(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, CMD_BUILD_TUNNEL | CMD_MSG(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE), CcBuildRailTunnel);
00274 }
00275 
00276 static void PlaceRail_ConvertRail(TileIndex tile)
00277 {
00278   VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CONVERT_RAIL);
00279 }
00280 
00281 static void PlaceRail_AutoSignals(TileIndex tile)
00282 {
00283   VpStartPlaceSizing(tile, VPM_SIGNALDIRS, DDSP_BUILD_SIGNALS);
00284 }
00285 
00286 
00288 enum RailToolbarWidgets {
00289   RTW_CAPTION,
00290   RTW_BUILD_NS,
00291   RTW_BUILD_X,
00292   RTW_BUILD_EW,
00293   RTW_BUILD_Y,
00294   RTW_AUTORAIL,
00295   RTW_DEMOLISH,
00296   RTW_BUILD_DEPOT,
00297   RTW_BUILD_WAYPOINT,
00298   RTW_BUILD_STATION,
00299   RTW_BUILD_SIGNALS,
00300   RTW_BUILD_BRIDGE,
00301   RTW_BUILD_TUNNEL,
00302   RTW_REMOVE,
00303   RTW_CONVERT_RAIL,
00304 };
00305 
00306 
00310 static void ToggleRailButton_Remove(Window *w)
00311 {
00312   DeleteWindowById(WC_SELECT_STATION, 0);
00313   w->ToggleWidgetLoweredState(RTW_REMOVE);
00314   w->SetWidgetDirty(RTW_REMOVE);
00315   _remove_button_clicked = w->IsWidgetLowered(RTW_REMOVE);
00316   SetSelectionRed(_remove_button_clicked);
00317 }
00318 
00323 static bool RailToolbar_CtrlChanged(Window *w)
00324 {
00325   if (w->IsWidgetDisabled(RTW_REMOVE)) return false;
00326 
00327   /* allow ctrl to switch remove mode only for these widgets */
00328   for (uint i = RTW_BUILD_NS; i <= RTW_BUILD_STATION; i++) {
00329     if ((i <= RTW_AUTORAIL || i >= RTW_BUILD_WAYPOINT) && w->IsWidgetLowered(i)) {
00330       ToggleRailButton_Remove(w);
00331       return true;
00332     }
00333   }
00334 
00335   return false;
00336 }
00337 
00338 
00344 static void BuildRailClick_N(Window *w)
00345 {
00346   HandlePlacePushButton(w, RTW_BUILD_NS, GetRailTypeInfo(_cur_railtype)->cursor.rail_ns, HT_LINE | HT_DIR_VL, PlaceRail_N);
00347 }
00348 
00354 static void BuildRailClick_NE(Window *w)
00355 {
00356   HandlePlacePushButton(w, RTW_BUILD_X, GetRailTypeInfo(_cur_railtype)->cursor.rail_swne, HT_LINE | HT_DIR_X, PlaceRail_NE);
00357 }
00358 
00364 static void BuildRailClick_E(Window *w)
00365 {
00366   HandlePlacePushButton(w, RTW_BUILD_EW, GetRailTypeInfo(_cur_railtype)->cursor.rail_ew, HT_LINE | HT_DIR_HL, PlaceRail_E);
00367 }
00368 
00374 static void BuildRailClick_NW(Window *w)
00375 {
00376   HandlePlacePushButton(w, RTW_BUILD_Y, GetRailTypeInfo(_cur_railtype)->cursor.rail_nwse, HT_LINE | HT_DIR_Y, PlaceRail_NW);
00377 }
00378 
00384 static void BuildRailClick_AutoRail(Window *w)
00385 {
00386   HandlePlacePushButton(w, RTW_AUTORAIL, GetRailTypeInfo(_cur_railtype)->cursor.autorail, HT_RAIL, PlaceRail_AutoRail);
00387 }
00388 
00394 static void BuildRailClick_Demolish(Window *w)
00395 {
00396   HandlePlacePushButton(w, RTW_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT, PlaceProc_DemolishArea);
00397 }
00398 
00404 static void BuildRailClick_Depot(Window *w)
00405 {
00406   if (HandlePlacePushButton(w, RTW_BUILD_DEPOT, GetRailTypeInfo(_cur_railtype)->cursor.depot, HT_RECT, PlaceRail_Depot)) {
00407     ShowBuildTrainDepotPicker(w);
00408   }
00409 }
00410 
00417 static void BuildRailClick_Waypoint(Window *w)
00418 {
00419   _waypoint_count = GetNumCustomStations(STAT_CLASS_WAYP);
00420   if (HandlePlacePushButton(w, RTW_BUILD_WAYPOINT, SPR_CURSOR_WAYPOINT, HT_RECT, PlaceRail_Waypoint) &&
00421       _waypoint_count > 1) {
00422     ShowBuildWaypointPicker(w);
00423   }
00424 }
00425 
00431 static void BuildRailClick_Station(Window *w)
00432 {
00433   if (HandlePlacePushButton(w, RTW_BUILD_STATION, SPR_CURSOR_RAIL_STATION, HT_RECT, PlaceRail_Station)) ShowStationBuilder(w);
00434 }
00435 
00442 static void BuildRailClick_AutoSignals(Window *w)
00443 {
00444   if (_settings_client.gui.enable_signal_gui != _ctrl_pressed) {
00445     if (HandlePlacePushButton(w, RTW_BUILD_SIGNALS, ANIMCURSOR_BUILDSIGNALS, HT_RECT, PlaceRail_AutoSignals)) ShowSignalBuilder(w);
00446   } else {
00447     HandlePlacePushButton(w, RTW_BUILD_SIGNALS, ANIMCURSOR_BUILDSIGNALS, HT_RECT, PlaceRail_AutoSignals);
00448   }
00449 }
00450 
00456 static void BuildRailClick_Bridge(Window *w)
00457 {
00458   HandlePlacePushButton(w, RTW_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT, PlaceRail_Bridge);
00459 }
00460 
00466 static void BuildRailClick_Tunnel(Window *w)
00467 {
00468   HandlePlacePushButton(w, RTW_BUILD_TUNNEL, GetRailTypeInfo(_cur_railtype)->cursor.tunnel, HT_SPECIAL, PlaceRail_Tunnel);
00469 }
00470 
00476 static void BuildRailClick_Remove(Window *w)
00477 {
00478   if (w->IsWidgetDisabled(RTW_REMOVE)) return;
00479   ToggleRailButton_Remove(w);
00480   SndPlayFx(SND_15_BEEP);
00481 
00482   /* handle station builder */
00483   if (w->IsWidgetLowered(RTW_BUILD_STATION)) {
00484     if (_remove_button_clicked) {
00485       /* starting drag & drop remove */
00486       if (!_settings_client.gui.station_dragdrop) {
00487         SetTileSelectSize(1, 1);
00488       } else {
00489         VpSetPlaceSizingLimit(-1);
00490       }
00491     } else {
00492       /* starting station build mode */
00493       if (!_settings_client.gui.station_dragdrop) {
00494         int x = _settings_client.gui.station_numtracks;
00495         int y = _settings_client.gui.station_platlength;
00496         if (_railstation.orientation == 0) Swap(x, y);
00497         SetTileSelectSize(x, y);
00498       } else {
00499         VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00500       }
00501     }
00502   }
00503 }
00504 
00511 static void BuildRailClick_Convert(Window *w)
00512 {
00513   HandlePlacePushButton(w, RTW_CONVERT_RAIL, GetRailTypeInfo(_cur_railtype)->cursor.convert, HT_RECT, PlaceRail_ConvertRail);
00514 }
00515 
00516 
00517 static void DoRailroadTrack(int mode)
00518 {
00519   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), _cur_railtype | (mode << 4),
00520     _remove_button_clicked ?
00521     CMD_REMOVE_RAILROAD_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00522     CMD_BUILD_RAILROAD_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK)
00523   );
00524 }
00525 
00526 static void HandleAutodirPlacement()
00527 {
00528   TileHighlightData *thd = &_thd;
00529   int trackstat = thd->drawstyle & 0xF; // 0..5
00530 
00531   if (thd->drawstyle & HT_RAIL) { // one tile case
00532     GenericPlaceRail(TileVirtXY(thd->selend.x, thd->selend.y), trackstat);
00533     return;
00534   }
00535 
00536   DoRailroadTrack(trackstat);
00537 }
00538 
00545 static void HandleAutoSignalPlacement()
00546 {
00547   TileHighlightData *thd = &_thd;
00548   uint32 p2 = GB(thd->drawstyle, 0, 3); // 0..5
00549 
00550   if (thd->drawstyle == HT_RECT) { // one tile case
00551     GenericPlaceSignals(TileVirtXY(thd->selend.x, thd->selend.y));
00552     return;
00553   }
00554 
00555   const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00556 
00557   if (w != NULL) {
00558     /* signal GUI is used */
00559     SB(p2,  3, 1, 0);
00560     SB(p2,  4, 1, _cur_signal_variant);
00561     SB(p2,  6, 1, _ctrl_pressed);
00562     SB(p2,  7, 3, _cur_signal_type);
00563     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00564   } else {
00565     SB(p2,  3, 1, 0);
00566     SB(p2,  4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00567     SB(p2,  6, 1, _ctrl_pressed);
00568     SB(p2,  7, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00569     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00570   }
00571 
00572   /* _settings_client.gui.drag_signals_density is given as a parameter such that each user
00573    * in a network game can specify his/her own signal density */
00574   DoCommandP(
00575     TileVirtXY(thd->selstart.x, thd->selstart.y),
00576     TileVirtXY(thd->selend.x, thd->selend.y),
00577     p2,
00578     _remove_button_clicked ?
00579       CMD_REMOVE_SIGNAL_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM) :
00580       CMD_BUILD_SIGNAL_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00581     CcPlaySound1E);
00582 }
00583 
00584 
00585 typedef void OnButtonClick(Window *w);
00586 
00588 struct RailBuildingGUIButtonData {
00589   uint16 keycode;            
00590   OnButtonClick *click_proc; 
00591 };
00592 
00597 static const RailBuildingGUIButtonData _rail_build_button_data[] = {
00598   {'1', BuildRailClick_N          },
00599   {'2', BuildRailClick_NE         },
00600   {'3', BuildRailClick_E          },
00601   {'4', BuildRailClick_NW         },
00602   {'5', BuildRailClick_AutoRail   },
00603   {'6', BuildRailClick_Demolish   },
00604   {'7', BuildRailClick_Depot      },
00605   {'8', BuildRailClick_Waypoint   },
00606   {'9', BuildRailClick_Station    },
00607   {'S', BuildRailClick_AutoSignals},
00608   {'B', BuildRailClick_Bridge     },
00609   {'T', BuildRailClick_Tunnel     },
00610   {'R', BuildRailClick_Remove     },
00611   {'C', BuildRailClick_Convert    }
00612 };
00613 
00619 struct BuildRailToolbarWindow : Window {
00620   RailType railtype;
00621 
00622   BuildRailToolbarWindow(const WindowDesc *desc, WindowNumber window_number, RailType railtype) : Window()
00623   {
00624     this->InitNested(desc);
00625     this->SetupRailToolbar(railtype);
00626     this->DisableWidget(RTW_REMOVE);
00627 
00628     if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
00629   }
00630 
00631   ~BuildRailToolbarWindow()
00632   {
00633     if (_settings_client.gui.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0, false);
00634   }
00635 
00639   void SetupRailToolbar(RailType railtype)
00640   {
00641     this->railtype = railtype;
00642     const RailtypeInfo *rti = GetRailTypeInfo(railtype);
00643 
00644     assert(railtype < RAILTYPE_END);
00645     this->GetWidget<NWidgetCore>(RTW_BUILD_NS)->widget_data     = rti->gui_sprites.build_ns_rail;
00646     this->GetWidget<NWidgetCore>(RTW_BUILD_X)->widget_data      = rti->gui_sprites.build_x_rail;
00647     this->GetWidget<NWidgetCore>(RTW_BUILD_EW)->widget_data     = rti->gui_sprites.build_ew_rail;
00648     this->GetWidget<NWidgetCore>(RTW_BUILD_Y)->widget_data      = rti->gui_sprites.build_y_rail;
00649     this->GetWidget<NWidgetCore>(RTW_AUTORAIL)->widget_data     = rti->gui_sprites.auto_rail;
00650     this->GetWidget<NWidgetCore>(RTW_BUILD_DEPOT)->widget_data  = rti->gui_sprites.build_depot;
00651     this->GetWidget<NWidgetCore>(RTW_CONVERT_RAIL)->widget_data = rti->gui_sprites.convert_rail;
00652     this->GetWidget<NWidgetCore>(RTW_BUILD_TUNNEL)->widget_data = rti->gui_sprites.build_tunnel;
00653   }
00654 
00658   void ModifyRailType(RailType railtype)
00659   {
00660     this->SetupRailToolbar(railtype);
00661     this->ReInit();
00662   }
00663 
00664   void UpdateRemoveWidgetStatus(int clicked_widget)
00665   {
00666     switch (clicked_widget) {
00667       case RTW_REMOVE:
00668         /* If it is the removal button that has been clicked, do nothing,
00669          * as it is up to the other buttons to drive removal status */
00670         return;
00671         break;
00672       case RTW_BUILD_NS:
00673       case RTW_BUILD_X:
00674       case RTW_BUILD_EW:
00675       case RTW_BUILD_Y:
00676       case RTW_AUTORAIL:
00677       case RTW_BUILD_WAYPOINT:
00678       case RTW_BUILD_STATION:
00679       case RTW_BUILD_SIGNALS:
00680         /* Removal button is enabled only if the rail/signal/waypoint/station
00681          * button is still lowered.  Once raised, it has to be disabled */
00682         this->SetWidgetDisabledState(RTW_REMOVE, !this->IsWidgetLowered(clicked_widget));
00683         break;
00684 
00685       default:
00686         /* When any other buttons than rail/signal/waypoint/station, raise and
00687          * disable the removal button */
00688         this->DisableWidget(RTW_REMOVE);
00689         this->RaiseWidget(RTW_REMOVE);
00690         break;
00691     }
00692   }
00693 
00694   virtual void SetStringParameters(int widget) const
00695   {
00696     if (widget == RTW_CAPTION) {
00697       const RailtypeInfo *rti = GetRailTypeInfo(this->railtype);
00698       if (rti->max_speed > 0) {
00699         SetDParam(0, STR_TOOLBAR_RAILTYPE_VELOCITY);
00700         SetDParam(1, rti->strings.toolbar_caption);
00701         SetDParam(2, rti->max_speed);
00702       } else {
00703         SetDParam(0, rti->strings.toolbar_caption);
00704       }
00705     }
00706   }
00707 
00708   virtual void OnPaint()
00709   {
00710     this->DrawWidgets();
00711   }
00712 
00713   virtual void OnClick(Point pt, int widget, int click_count)
00714   {
00715     if (widget >= RTW_BUILD_NS) {
00716       _remove_button_clicked = false;
00717       _rail_build_button_data[widget - RTW_BUILD_NS].click_proc(this);
00718     }
00719     this->UpdateRemoveWidgetStatus(widget);
00720     if (_ctrl_pressed) RailToolbar_CtrlChanged(this);
00721   }
00722 
00723   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
00724   {
00725     EventState state = ES_NOT_HANDLED;
00726     for (uint8 i = 0; i != lengthof(_rail_build_button_data); i++) {
00727       if (keycode == _rail_build_button_data[i].keycode) {
00728         _remove_button_clicked = false;
00729         _rail_build_button_data[i].click_proc(this);
00730         this->UpdateRemoveWidgetStatus(i + RTW_BUILD_NS);
00731         if (_ctrl_pressed) RailToolbar_CtrlChanged(this);
00732         state = ES_HANDLED;
00733         break;
00734       }
00735     }
00736     MarkTileDirtyByTile(TileVirtXY(_thd.pos.x, _thd.pos.y)); // redraw tile selection
00737     return state;
00738   }
00739 
00740   virtual void OnPlaceObject(Point pt, TileIndex tile)
00741   {
00742     _place_proc(tile);
00743   }
00744 
00745   virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
00746   {
00747     /* no dragging if you have pressed the convert button */
00748     if (FindWindowById(WC_BUILD_SIGNAL, 0) != NULL && _convert_signal_button && this->IsWidgetLowered(RTW_BUILD_SIGNALS)) return;
00749 
00750     VpSelectTilesWithMethod(pt.x, pt.y, select_method);
00751   }
00752 
00753   virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile)
00754   {
00755     if (pt.x != -1) {
00756       switch (select_proc) {
00757         default: NOT_REACHED();
00758         case DDSP_BUILD_BRIDGE:
00759           if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00760           ShowBuildBridgeWindow(start_tile, end_tile, TRANSPORT_RAIL, _cur_railtype);
00761           break;
00762 
00763         case DDSP_PLACE_RAIL:
00764           HandleAutodirPlacement();
00765           break;
00766 
00767         case DDSP_BUILD_SIGNALS:
00768           HandleAutoSignalPlacement();
00769           break;
00770 
00771         case DDSP_DEMOLISH_AREA:
00772           GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
00773           break;
00774 
00775         case DDSP_CONVERT_RAIL:
00776           DoCommandP(end_tile, start_tile, _cur_railtype, CMD_CONVERT_RAIL | CMD_MSG(STR_ERROR_CAN_T_CONVERT_RAIL), CcPlaySound10);
00777           break;
00778 
00779         case DDSP_REMOVE_STATION:
00780         case DDSP_BUILD_STATION:
00781           if (this->IsWidgetLowered(RTW_BUILD_STATION)) {
00782             /* Station */
00783             if (_remove_button_clicked) {
00784               DoCommandP(end_tile, start_tile, _ctrl_pressed ? 0 : 1, CMD_REMOVE_FROM_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_REMOVE_PART_OF_STATION), CcPlaySound1E);
00785             } else {
00786               HandleStationPlacement(start_tile, end_tile);
00787             }
00788           } else {
00789             /* Waypoint */
00790             if (_remove_button_clicked) {
00791               DoCommandP(end_tile, start_tile, _ctrl_pressed ? 0 : 1, CMD_REMOVE_FROM_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_REMOVE_TRAIN_WAYPOINT), CcPlaySound1E);
00792             } else {
00793               TileArea ta(start_tile, end_tile);
00794               uint32 p1 = _cur_railtype | (select_method == VPM_FIX_X ? AXIS_X : AXIS_Y) << 4 | ta.w << 8 | ta.h << 16 | _ctrl_pressed << 24;
00795               uint32 p2 = STAT_CLASS_WAYP | _cur_waypoint_type << 8 | INVALID_STATION << 16;
00796 
00797               CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_WAYPOINT), CcPlaySound1E, "" };
00798               ShowSelectWaypointIfNeeded(cmdcont, ta);
00799             }
00800           }
00801           break;
00802       }
00803     }
00804   }
00805 
00806   virtual void OnPlaceObjectAbort()
00807   {
00808     this->RaiseButtons();
00809     this->DisableWidget(RTW_REMOVE);
00810     this->SetWidgetDirty(RTW_REMOVE);
00811 
00812     DeleteWindowById(WC_BUILD_SIGNAL, TRANSPORT_RAIL);
00813     DeleteWindowById(WC_BUILD_STATION, TRANSPORT_RAIL);
00814     DeleteWindowById(WC_BUILD_DEPOT, TRANSPORT_RAIL);
00815     DeleteWindowById(WC_SELECT_STATION, 0);
00816     DeleteWindowByClass(WC_BUILD_BRIDGE);
00817   }
00818 
00819   virtual void OnPlacePresize(Point pt, TileIndex tile)
00820   {
00821     DoCommand(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, DC_AUTO, CMD_BUILD_TUNNEL);
00822     VpSetPresizeRange(tile, _build_tunnel_endtile == 0 ? tile : _build_tunnel_endtile);
00823   }
00824 
00825   virtual EventState OnCTRLStateChange()
00826   {
00827     /* do not toggle Remove button by Ctrl when placing station */
00828     if (!this->IsWidgetLowered(RTW_BUILD_STATION) && !this->IsWidgetLowered(RTW_BUILD_WAYPOINT) && RailToolbar_CtrlChanged(this)) return ES_HANDLED;
00829     return ES_NOT_HANDLED;
00830   }
00831 };
00832 
00833 static const NWidgetPart _nested_build_rail_widgets[] = {
00834   NWidget(NWID_HORIZONTAL),
00835     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00836     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, RTW_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00837     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00838   EndContainer(),
00839   NWidget(NWID_HORIZONTAL),
00840     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_NS),
00841             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00842     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_X),
00843             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00844     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_EW),
00845             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_EW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00846     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_Y),
00847             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00848     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_AUTORAIL),
00849             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTORAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_AUTORAIL),
00850 
00851     NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetMinimalSize(4, 22), SetDataTip(0x0, STR_NULL), EndContainer(),
00852 
00853     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_DEMOLISH),
00854             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
00855     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_DEPOT),
00856             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DEPOT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_TRAIN_DEPOT_FOR_BUILDING),
00857     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_WAYPOINT),
00858             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_WAYPOINT, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL_TO_WAYPOINT),
00859     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_STATION),
00860             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_RAIL_STATION, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_STATION),
00861     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_SIGNALS),
00862             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_SIGNALS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_SIGNALS),
00863     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_BRIDGE),
00864             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_BRIDGE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_BRIDGE),
00865     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_TUNNEL),
00866             SetFill(0, 1), SetMinimalSize(20, 22), SetDataTip(SPR_IMG_TUNNEL_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TUNNEL),
00867     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_REMOVE),
00868             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_RAIL_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR),
00869     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_CONVERT_RAIL),
00870             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL),
00871   EndContainer(),
00872 };
00873 
00874 static const WindowDesc _build_rail_desc(
00875   WDP_ALIGN_TOOLBAR, 0, 0,
00876   WC_BUILD_TOOLBAR, WC_NONE,
00877   WDF_CONSTRUCTION,
00878   _nested_build_rail_widgets, lengthof(_nested_build_rail_widgets)
00879 );
00880 
00881 
00893 void ShowBuildRailToolbar(RailType railtype, int button)
00894 {
00895   if (!Company::IsValidID(_local_company)) return;
00896   if (!ValParamRailtype(railtype)) return;
00897 
00898   BuildRailToolbarWindow *w = (BuildRailToolbarWindow *)FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL);
00899 
00900   /* don't recreate the window if we're clicking on a button and the window exists. */
00901   if (button < 0 || w == NULL) {
00902     DeleteWindowByClass(WC_BUILD_TOOLBAR);
00903     _cur_railtype = railtype;
00904     w = new BuildRailToolbarWindow(&_build_rail_desc, TRANSPORT_RAIL, railtype);
00905   }
00906 
00907   _remove_button_clicked = false;
00908   if (w != NULL && button >= 0) {
00909     _rail_build_button_data[button].click_proc(w);
00910     w->UpdateRemoveWidgetStatus(button + RTW_BUILD_NS);
00911   }
00912 }
00913 
00914 /* TODO: For custom stations, respect their allowed platforms/lengths bitmasks!
00915  * --pasky */
00916 
00917 static void HandleStationPlacement(TileIndex start, TileIndex end)
00918 {
00919   TileArea ta(start, end);
00920   uint numtracks = ta.w;
00921   uint platlength = ta.h;
00922 
00923   if (_railstation.orientation == AXIS_X) Swap(numtracks, platlength);
00924 
00925   uint32 p1 = _cur_railtype | _railstation.orientation << 4 | numtracks << 8 | platlength << 16 | _ctrl_pressed << 24;
00926   uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00927 
00928   CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00929   ShowSelectStationIfNeeded(cmdcont, ta);
00930 }
00931 
00933 enum BuildRailStationWidgets {
00934   BRSW_BACKGROUND,
00935 
00936   BRSW_PLATFORM_DIR_X,
00937   BRSW_PLATFORM_DIR_Y,
00938 
00939   BRSW_PLATFORM_NUM_1,
00940   BRSW_PLATFORM_NUM_2,
00941   BRSW_PLATFORM_NUM_3,
00942   BRSW_PLATFORM_NUM_4,
00943   BRSW_PLATFORM_NUM_5,
00944   BRSW_PLATFORM_NUM_6,
00945   BRSW_PLATFORM_NUM_7,
00946 
00947   BRSW_PLATFORM_LEN_1,
00948   BRSW_PLATFORM_LEN_2,
00949   BRSW_PLATFORM_LEN_3,
00950   BRSW_PLATFORM_LEN_4,
00951   BRSW_PLATFORM_LEN_5,
00952   BRSW_PLATFORM_LEN_6,
00953   BRSW_PLATFORM_LEN_7,
00954 
00955   BRSW_PLATFORM_DRAG_N_DROP,
00956 
00957   BRSW_HIGHLIGHT_OFF,
00958   BRSW_HIGHLIGHT_ON,
00959 
00960   BRSW_NEWST_DROPDOWN,
00961   BRSW_NEWST_LIST,
00962   BRSW_NEWST_SCROLL,
00963 
00964   BRSW_PLATFORM_NUM_BEGIN = BRSW_PLATFORM_NUM_1 - 1,
00965   BRSW_PLATFORM_LEN_BEGIN = BRSW_PLATFORM_LEN_1 - 1,
00966 };
00967 
00968 struct BuildRailStationWindow : public PickerWindowBase {
00969 private:
00970   uint line_height; 
00971 
00977   void CheckSelectedSize(const StationSpec *statspec)
00978   {
00979     if (statspec == NULL || _settings_client.gui.station_dragdrop) return;
00980 
00981     /* If current number of tracks is not allowed, make it as big as possible (which is always less than currently selected) */
00982     if (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00983       this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00984       _settings_client.gui.station_numtracks = 1;
00985       while (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00986         _settings_client.gui.station_numtracks++;
00987       }
00988       this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00989     }
00990 
00991     if (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00992       this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00993       _settings_client.gui.station_platlength = 1;
00994       while (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00995         _settings_client.gui.station_platlength++;
00996       }
00997       this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00998     }
00999   }
01000 
01002   static DropDownList *BuildStationClassDropDown()
01003   {
01004     DropDownList *list = new DropDownList();
01005 
01006     for (uint i = 0; i < GetNumStationClasses(); i++) {
01007       if (i == STAT_CLASS_WAYP) continue;
01008       list->push_back(new DropDownListStringItem(GetStationClassName((StationClassID)i), i, false));
01009     }
01010 
01011     return list;
01012   }
01013 
01014 public:
01015   BuildRailStationWindow(const WindowDesc *desc, Window *parent, bool newstation) : PickerWindowBase(parent)
01016   {
01017     this->InitNested(desc, TRANSPORT_RAIL);
01018 
01019     this->LowerWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
01020     if (_settings_client.gui.station_dragdrop) {
01021       this->LowerWidget(BRSW_PLATFORM_DRAG_N_DROP);
01022     } else {
01023       this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01024       this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01025     }
01026     this->SetWidgetLoweredState(BRSW_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
01027     this->SetWidgetLoweredState(BRSW_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
01028 
01029     _railstation.newstations = newstation;
01030 
01031     if (newstation) {
01032       _railstation.station_count = GetNumCustomStations(_railstation.station_class);
01033 
01034       this->vscroll.SetCount(_railstation.station_count);
01035       this->vscroll.SetCapacity(GB(this->GetWidget<NWidgetCore>(BRSW_NEWST_LIST)->widget_data, MAT_ROW_START, MAT_ROW_BITS));
01036       this->vscroll.SetPosition(Clamp(_railstation.station_type - 2, 0, max(this->vscroll.GetCount() - this->vscroll.GetCapacity(), 0)));
01037     } else {
01038       /* New stations are not available, so ensure the default station
01039        * type is 'selected'. */
01040       _railstation.station_class = STAT_CLASS_DFLT;
01041       _railstation.station_type = 0;
01042     }
01043   }
01044 
01045   virtual ~BuildRailStationWindow()
01046   {
01047     DeleteWindowById(WC_SELECT_STATION, 0);
01048   }
01049 
01050   virtual void OnPaint()
01051   {
01052     bool newstations = _railstation.newstations;
01053     const StationSpec *statspec = newstations ? GetCustomStationSpec(_railstation.station_class, _railstation.station_type) : NULL;
01054 
01055     if (_settings_client.gui.station_dragdrop) {
01056       SetTileSelectSize(1, 1);
01057     } else {
01058       int x = _settings_client.gui.station_numtracks;
01059       int y = _settings_client.gui.station_platlength;
01060       if (_railstation.orientation == AXIS_X) Swap(x, y);
01061       if (!_remove_button_clicked)
01062         SetTileSelectSize(x, y);
01063     }
01064 
01065     int rad = (_settings_game.station.modified_catchment) ? CA_TRAIN : CA_UNMODIFIED;
01066 
01067     if (_settings_client.gui.station_show_coverage)
01068       SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
01069 
01070     for (uint bits = 0; bits < 7; bits++) {
01071       bool disable = bits >= _settings_game.station.station_spread;
01072       if (statspec == NULL) {
01073         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_NUM_1, disable);
01074         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_LEN_1, disable);
01075       } else {
01076         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_NUM_1, HasBit(statspec->disallowed_platforms, bits) || disable);
01077         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_LEN_1, HasBit(statspec->disallowed_lengths,   bits) || disable);
01078       }
01079     }
01080 
01081     this->DrawWidgets();
01082 
01083     /* 'Accepts' and 'Supplies' texts. */
01084     int top = this->GetWidget<NWidgetBase>(BRSW_HIGHLIGHT_ON)->pos_y + this->GetWidget<NWidgetBase>(BRSW_HIGHLIGHT_ON)->current_y + WD_PAR_VSEP_NORMAL;
01085     NWidgetBase *back_nwi = this->GetWidget<NWidgetBase>(BRSW_BACKGROUND);
01086     int right = back_nwi->pos_x +  back_nwi->current_x;
01087     int bottom = back_nwi->pos_y +  back_nwi->current_y;
01088     top = DrawStationCoverageAreaText(back_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, SCT_ALL, rad, false) + WD_PAR_VSEP_NORMAL;
01089     top = DrawStationCoverageAreaText(back_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, SCT_ALL, rad, true) + WD_PAR_VSEP_NORMAL;
01090     /* Resize background if the text is not equally long as the window. */
01091     if (top > bottom || (top < bottom && back_nwi->current_y > back_nwi->smallest_y)) {
01092       ResizeWindow(this, 0, top - bottom);
01093     }
01094   }
01095 
01096   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01097   {
01098     switch (widget) {
01099       case BRSW_NEWST_DROPDOWN: {
01100         Dimension d = {0, 0};
01101         for (uint i = 0; i < GetNumStationClasses(); i++) {
01102           if (i == STAT_CLASS_WAYP) continue;
01103           SetDParam(0, GetStationClassName((StationClassID)i));
01104           d = maxdim(d, GetStringBoundingBox(STR_BLACK_STRING));
01105         }
01106         d.width += padding.width;
01107         d.height += padding.height;
01108         *size = maxdim(*size, d);
01109         break;
01110       }
01111       case BRSW_NEWST_LIST: {
01112         Dimension d = GetStringBoundingBox(STR_STATION_CLASS_DFLT);
01113         for (StationClassID statclass = STAT_CLASS_BEGIN; statclass < (StationClassID)GetNumStationClasses(); statclass++) {
01114           if (statclass == STAT_CLASS_WAYP) continue;
01115           for (uint16 j = 0; j < GetNumCustomStations(statclass); j++) {
01116             const StationSpec *statspec = GetCustomStationSpec(statclass, j);
01117             if (statspec != NULL && statspec->name != 0) d = maxdim(d, GetStringBoundingBox(statspec->name));
01118           }
01119         }
01120         size->width = max(size->width, d.width + padding.width);
01121 
01122         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
01123         size->height = GB(this->GetWidget<NWidgetCore>(widget)->widget_data, MAT_ROW_START, MAT_ROW_BITS) * this->line_height;
01124         break;
01125       }
01126     }
01127   }
01128 
01129   virtual void DrawWidget(const Rect &r, int widget) const
01130   {
01131     DrawPixelInfo tmp_dpi;
01132 
01133     switch (widget) {
01134       case BRSW_PLATFORM_DIR_X:
01135         /* Set up a clipping area for the '/' station preview */
01136         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01137           DrawPixelInfo *old_dpi = _cur_dpi;
01138           _cur_dpi = &tmp_dpi;
01139           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_X, _railstation.station_class, _railstation.station_type)) {
01140             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2);
01141           }
01142           _cur_dpi = old_dpi;
01143         }
01144         break;
01145 
01146       case BRSW_PLATFORM_DIR_Y:
01147         /* Set up a clipping area for the '\' station preview */
01148         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01149           DrawPixelInfo *old_dpi = _cur_dpi;
01150           _cur_dpi = &tmp_dpi;
01151           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_Y, _railstation.station_class, _railstation.station_type)) {
01152             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 3);
01153           }
01154           _cur_dpi = old_dpi;
01155         }
01156         break;
01157 
01158       case BRSW_NEWST_LIST: {
01159         uint y = r.top;
01160         for (uint16 i = this->vscroll.GetPosition(); i < _railstation.station_count && this->vscroll.IsVisible(i); i++) {
01161           const StationSpec *statspec = GetCustomStationSpec(_railstation.station_class, i);
01162 
01163           StringID str = STR_STATION_CLASS_DFLT;
01164           if (statspec != NULL && statspec->name != 0) {
01165             if (HasBit(statspec->callback_mask, CBM_STATION_AVAIL) && GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) {
01166               GfxFillRect(r.left + 1, y + 1, r.right - 1, y + this->line_height - 2, 0, FILLRECT_CHECKER);
01167             }
01168             str = statspec->name;
01169           }
01170           DrawString(r.left + WD_MATRIX_LEFT, r.right - WD_MATRIX_RIGHT, y + WD_MATRIX_TOP, str, i == _railstation.station_type ? TC_WHITE : TC_BLACK);
01171 
01172           y += this->line_height;
01173         }
01174         break;
01175       }
01176     }
01177   }
01178 
01179   virtual void SetStringParameters(int widget) const
01180   {
01181     if (widget == BRSW_NEWST_DROPDOWN) SetDParam(0, GetStationClassName(_railstation.station_class));
01182   }
01183 
01184   virtual void OnClick(Point pt, int widget, int click_count)
01185   {
01186     switch (widget) {
01187       case BRSW_PLATFORM_DIR_X:
01188       case BRSW_PLATFORM_DIR_Y:
01189         this->RaiseWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
01190         _railstation.orientation = (Axis)(widget - BRSW_PLATFORM_DIR_X);
01191         this->LowerWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
01192         SndPlayFx(SND_15_BEEP);
01193         this->SetDirty();
01194         DeleteWindowById(WC_SELECT_STATION, 0);
01195         break;
01196 
01197       case BRSW_PLATFORM_NUM_1:
01198       case BRSW_PLATFORM_NUM_2:
01199       case BRSW_PLATFORM_NUM_3:
01200       case BRSW_PLATFORM_NUM_4:
01201       case BRSW_PLATFORM_NUM_5:
01202       case BRSW_PLATFORM_NUM_6:
01203       case BRSW_PLATFORM_NUM_7: {
01204         this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01205         this->RaiseWidget(BRSW_PLATFORM_DRAG_N_DROP);
01206 
01207         _settings_client.gui.station_numtracks = widget - BRSW_PLATFORM_NUM_BEGIN;
01208         _settings_client.gui.station_dragdrop = false;
01209 
01210         _settings_client.gui.station_dragdrop = false;
01211 
01212         const StationSpec *statspec = _railstation.newstations ? GetCustomStationSpec(_railstation.station_class, _railstation.station_type) : NULL;
01213         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01214           /* The previously selected number of platforms in invalid */
01215           for (uint i = 0; i < 7; i++) {
01216             if (!HasBit(statspec->disallowed_lengths, i)) {
01217               this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01218               _settings_client.gui.station_platlength = i + 1;
01219               break;
01220             }
01221           }
01222         }
01223 
01224         this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01225         this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01226         SndPlayFx(SND_15_BEEP);
01227         this->SetDirty();
01228         DeleteWindowById(WC_SELECT_STATION, 0);
01229         break;
01230       }
01231 
01232       case BRSW_PLATFORM_LEN_1:
01233       case BRSW_PLATFORM_LEN_2:
01234       case BRSW_PLATFORM_LEN_3:
01235       case BRSW_PLATFORM_LEN_4:
01236       case BRSW_PLATFORM_LEN_5:
01237       case BRSW_PLATFORM_LEN_6:
01238       case BRSW_PLATFORM_LEN_7: {
01239         this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01240         this->RaiseWidget(BRSW_PLATFORM_DRAG_N_DROP);
01241 
01242         _settings_client.gui.station_platlength = widget - BRSW_PLATFORM_LEN_BEGIN;
01243         _settings_client.gui.station_dragdrop = false;
01244 
01245         _settings_client.gui.station_dragdrop = false;
01246 
01247         const StationSpec *statspec = _railstation.newstations ? GetCustomStationSpec(_railstation.station_class, _railstation.station_type) : NULL;
01248         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01249           /* The previously selected number of tracks in invalid */
01250           for (uint i = 0; i < 7; i++) {
01251             if (!HasBit(statspec->disallowed_platforms, i)) {
01252               this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01253               _settings_client.gui.station_numtracks = i + 1;
01254               break;
01255             }
01256           }
01257         }
01258 
01259         this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01260         this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01261         SndPlayFx(SND_15_BEEP);
01262         this->SetDirty();
01263         DeleteWindowById(WC_SELECT_STATION, 0);
01264         break;
01265       }
01266 
01267       case BRSW_PLATFORM_DRAG_N_DROP: {
01268         _settings_client.gui.station_dragdrop ^= true;
01269 
01270         this->ToggleWidgetLoweredState(BRSW_PLATFORM_DRAG_N_DROP);
01271 
01272         /* get the first allowed length/number of platforms */
01273         const StationSpec *statspec = _railstation.newstations ? GetCustomStationSpec(_railstation.station_class, _railstation.station_type) : NULL;
01274         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01275           for (uint i = 0; i < 7; i++) {
01276             if (!HasBit(statspec->disallowed_lengths, i)) {
01277               this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01278               _settings_client.gui.station_platlength = i + 1;
01279               break;
01280             }
01281           }
01282         }
01283         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01284           for (uint i = 0; i < 7; i++) {
01285             if (!HasBit(statspec->disallowed_platforms, i)) {
01286               this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01287               _settings_client.gui.station_numtracks = i + 1;
01288               break;
01289             }
01290           }
01291         }
01292 
01293         this->SetWidgetLoweredState(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN, !_settings_client.gui.station_dragdrop);
01294         this->SetWidgetLoweredState(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN, !_settings_client.gui.station_dragdrop);
01295         SndPlayFx(SND_15_BEEP);
01296         this->SetDirty();
01297         DeleteWindowById(WC_SELECT_STATION, 0);
01298       } break;
01299 
01300       case BRSW_HIGHLIGHT_OFF:
01301       case BRSW_HIGHLIGHT_ON:
01302         _settings_client.gui.station_show_coverage = (widget != BRSW_HIGHLIGHT_OFF);
01303 
01304         this->SetWidgetLoweredState(BRSW_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
01305         this->SetWidgetLoweredState(BRSW_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
01306         SndPlayFx(SND_15_BEEP);
01307         this->SetDirty();
01308         break;
01309 
01310       case BRSW_NEWST_DROPDOWN:
01311         ShowDropDownList(this, BuildStationClassDropDown(), _railstation.station_class, BRSW_NEWST_DROPDOWN);
01312         break;
01313 
01314       case BRSW_NEWST_LIST: {
01315         const StationSpec *statspec;
01316         int y = (pt.y - this->GetWidget<NWidgetBase>(BRSW_NEWST_LIST)->pos_y) / this->line_height;
01317 
01318         if (y >= this->vscroll.GetCapacity()) return;
01319         y += this->vscroll.GetPosition();
01320         if (y >= _railstation.station_count) return;
01321 
01322         /* Check station availability callback */
01323         statspec = GetCustomStationSpec(_railstation.station_class, y);
01324         if (statspec != NULL &&
01325           HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01326           GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) return;
01327 
01328         _railstation.station_type = y;
01329 
01330         this->CheckSelectedSize(statspec);
01331 
01332         SndPlayFx(SND_15_BEEP);
01333         this->SetDirty();
01334         DeleteWindowById(WC_SELECT_STATION, 0);
01335         break;
01336       }
01337     }
01338   }
01339 
01340   virtual void OnDropdownSelect(int widget, int index)
01341   {
01342     if (_railstation.station_class != index) {
01343       _railstation.station_class = (StationClassID)index;
01344       _railstation.station_type  = 0;
01345       _railstation.station_count = GetNumCustomStations(_railstation.station_class);
01346 
01347       this->CheckSelectedSize(GetCustomStationSpec(_railstation.station_class, _railstation.station_type));
01348 
01349       this->vscroll.SetCount(_railstation.station_count);
01350       this->vscroll.SetPosition(_railstation.station_type);
01351     }
01352 
01353     SndPlayFx(SND_15_BEEP);
01354     this->SetDirty();
01355     DeleteWindowById(WC_SELECT_STATION, 0);
01356   }
01357 
01358   virtual void OnTick()
01359   {
01360     CheckRedrawStationCoverage(this);
01361   }
01362 };
01363 
01364 static const NWidgetPart _nested_station_builder_widgets[] = {
01365   NWidget(NWID_HORIZONTAL),
01366     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01367     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_RAIL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01368   EndContainer(),
01369   NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRSW_BACKGROUND),
01370     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_ORIENTATION, STR_NULL), SetPadding(1, 2, 0, 2),
01371     NWidget(NWID_HORIZONTAL),
01372       NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01373       NWidget(WWT_PANEL, COLOUR_GREY, BRSW_PLATFORM_DIR_X), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01374       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01375       NWidget(WWT_PANEL, COLOUR_GREY, BRSW_PLATFORM_DIR_Y), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01376       NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01377     EndContainer(),
01378     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_NUMBER_OF_TRACKS, STR_NULL), SetPadding(2, 2, 0, 2),
01379     NWidget(NWID_HORIZONTAL),
01380       NWidget(NWID_SPACER), SetFill(1, 0),
01381       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01382       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01383       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01384       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01385       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01386       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01387       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01388       NWidget(NWID_SPACER), SetFill(1, 0),
01389     EndContainer(),
01390     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_PLATFORM_LENGTH, STR_NULL), SetPadding(2, 2, 0, 2),
01391     NWidget(NWID_HORIZONTAL),
01392       NWidget(NWID_SPACER), SetFill(1, 0),
01393       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01394       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01395       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01396       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01397       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01398       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01399       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01400       NWidget(NWID_SPACER), SetFill(1, 0),
01401     EndContainer(),
01402     NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01403     NWidget(NWID_HORIZONTAL),
01404       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01405       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_DRAG_N_DROP), SetMinimalSize(75, 12), SetDataTip(STR_STATION_BUILD_DRAG_DROP, STR_STATION_BUILD_DRAG_DROP_TOOLTIP),
01406       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01407     EndContainer(),
01408     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetPadding(3, 2, 0, 2),
01409     NWidget(NWID_HORIZONTAL),
01410       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01411       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_HIGHLIGHT_OFF), SetMinimalSize(60, 12),
01412                     SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
01413       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_HIGHLIGHT_ON), SetMinimalSize(60, 12),
01414                     SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
01415       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01416     EndContainer(),
01417     NWidget(NWID_SPACER), SetMinimalSize(0, 20), SetResize(0, 1),
01418   EndContainer(),
01419 };
01420 
01421 static const NWidgetPart _nested_newstation_builder_widgets[] = {
01422   NWidget(NWID_HORIZONTAL),
01423     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01424     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_RAIL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01425   EndContainer(),
01426   NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRSW_BACKGROUND),
01427     /* begin newstations gui additions. */
01428     NWidget(WWT_DROPDOWN, COLOUR_GREY, BRSW_NEWST_DROPDOWN), SetMinimalSize(134, 12), SetFill(1, 0), SetPadding(3, 7, 3, 7), SetDataTip(STR_BLACK_STRING, STR_STATION_BUILD_STATION_CLASS_TOOLTIP),
01429     NWidget(NWID_HORIZONTAL), SetPIP(7, 0, 7),
01430       NWidget(WWT_MATRIX, COLOUR_GREY, BRSW_NEWST_LIST), SetMinimalSize(122, 71), SetFill(1, 0), SetDataTip(0x501, STR_STATION_BUILD_STATION_TYPE_TOOLTIP),
01431       NWidget(WWT_SCROLLBAR, COLOUR_GREY, BRSW_NEWST_SCROLL),
01432     EndContainer(),
01433     NWidget(NWID_SPACER), SetMinimalSize(0, 1),
01434     /* end newstations gui additions. */
01435     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_ORIENTATION, STR_NULL), SetPadding(1, 2, 0, 2),
01436     NWidget(NWID_HORIZONTAL),
01437       NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01438       NWidget(WWT_PANEL, COLOUR_GREY, BRSW_PLATFORM_DIR_X), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01439       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01440       NWidget(WWT_PANEL, COLOUR_GREY, BRSW_PLATFORM_DIR_Y), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01441       NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01442     EndContainer(),
01443     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_NUMBER_OF_TRACKS, STR_NULL), SetPadding(2, 2, 0, 2),
01444     NWidget(NWID_HORIZONTAL),
01445       NWidget(NWID_SPACER), SetFill(1, 0),
01446       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01447       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01448       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01449       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01450       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01451       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01452       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01453       NWidget(NWID_SPACER), SetFill(1, 0),
01454     EndContainer(),
01455     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_PLATFORM_LENGTH, STR_NULL), SetPadding(2, 2, 0, 2),
01456     NWidget(NWID_HORIZONTAL),
01457       NWidget(NWID_SPACER), SetFill(1, 0),
01458       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01459       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01460       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01461       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01462       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01463       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01464       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01465       NWidget(NWID_SPACER), SetFill(1, 0),
01466     EndContainer(),
01467     NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01468     NWidget(NWID_HORIZONTAL),
01469       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01470       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_DRAG_N_DROP), SetMinimalSize(75, 12), SetDataTip(STR_STATION_BUILD_DRAG_DROP, STR_STATION_BUILD_DRAG_DROP_TOOLTIP),
01471       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01472     EndContainer(),
01473     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetPadding(3, 2, 0, 2),
01474     NWidget(NWID_HORIZONTAL),
01475       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01476       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_HIGHLIGHT_OFF), SetMinimalSize(60, 12),
01477                     SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
01478       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_HIGHLIGHT_ON), SetMinimalSize(60, 12),
01479                     SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
01480       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01481     EndContainer(),
01482     NWidget(NWID_SPACER), SetMinimalSize(0, 20), SetResize(0, 1),
01483   EndContainer(),
01484 };
01485 
01487 static const WindowDesc _station_builder_desc(
01488   WDP_AUTO, 0, 0,
01489   WC_BUILD_STATION, WC_BUILD_TOOLBAR,
01490   WDF_CONSTRUCTION,
01491   _nested_station_builder_widgets, lengthof(_nested_station_builder_widgets)
01492 );
01493 
01495 static const WindowDesc _newstation_builder_desc(
01496   WDP_AUTO, 0, 0,
01497   WC_BUILD_STATION, WC_BUILD_TOOLBAR,
01498   WDF_CONSTRUCTION,
01499   _nested_newstation_builder_widgets, lengthof(_nested_newstation_builder_widgets)
01500 );
01501 
01503 static void ShowStationBuilder(Window *parent)
01504 {
01505   if (GetNumStationClasses() <= 2 && GetNumCustomStations(STAT_CLASS_DFLT) == 1) {
01506     new BuildRailStationWindow(&_station_builder_desc, parent, false);
01507   } else {
01508     new BuildRailStationWindow(&_newstation_builder_desc, parent, true);
01509   }
01510 }
01511 
01513 enum BuildSignalWidgets {
01514   BSW_SEMAPHORE_NORM,
01515   BSW_SEMAPHORE_ENTRY,
01516   BSW_SEMAPHORE_EXIT,
01517   BSW_SEMAPHORE_COMBO,
01518   BSW_SEMAPHORE_PBS,
01519   BSW_SEMAPHORE_PBS_OWAY,
01520   BSW_ELECTRIC_NORM,
01521   BSW_ELECTRIC_ENTRY,
01522   BSW_ELECTRIC_EXIT,
01523   BSW_ELECTRIC_COMBO,
01524   BSW_ELECTRIC_PBS,
01525   BSW_ELECTRIC_PBS_OWAY,
01526   BSW_CONVERT,
01527   BSW_DRAG_SIGNALS_DENSITY,
01528   BSW_DRAG_SIGNALS_DENSITY_LABEL,
01529   BSW_DRAG_SIGNALS_DENSITY_DECREASE,
01530   BSW_DRAG_SIGNALS_DENSITY_INCREASE,
01531 };
01532 
01533 struct BuildSignalWindow : public PickerWindowBase {
01534 private:
01542   void DrawSignalSprite(byte widget_index, SpriteID image) const
01543   {
01544     /* First get the right image, which is one later for 'green' signals. */
01545     image += this->IsWidgetLowered(widget_index);
01546 
01547     /* Next get the actual sprite so we can calculate the right offsets. */
01548     const Sprite *sprite = GetSprite(image, ST_NORMAL);
01549 
01550     /* For the x offset we want the sprite to be centered, so undo the offset
01551      * for sprite drawing and add half of the sprite's width. For the y offset
01552      * we want the sprite to be aligned on the bottom, so again we undo the
01553      * offset for sprite drawing and assume it is the bottom of the sprite. */
01554     int sprite_center_x_offset = sprite->x_offs + sprite->width / 2;
01555     int sprite_bottom_y_offset = sprite->height + sprite->y_offs;
01556 
01557     /* Next we want to know where on the window to draw. Calculate the center
01558      * and the bottom of the area to draw. */
01559     const NWidgetBase *widget = this->GetWidget<NWidgetBase>(widget_index);
01560     int widget_center_x = widget->pos_x + widget->current_x / 2;
01561     int widget_bottom_y = widget->pos_y + widget->current_y - 2;
01562 
01563     /* Finally we draw the signal. */
01564     DrawSprite(image, PAL_NONE,
01565         widget_center_x - sprite_center_x_offset + this->IsWidgetLowered(widget_index),
01566         widget_bottom_y - sprite_bottom_y_offset + this->IsWidgetLowered(widget_index));
01567   }
01568 
01569 public:
01570   BuildSignalWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01571   {
01572     this->InitNested(desc, TRANSPORT_RAIL);
01573     this->OnInvalidateData();
01574   };
01575 
01576   virtual void SetStringParameters(int widget) const
01577   {
01578     switch (widget) {
01579       case BSW_DRAG_SIGNALS_DENSITY_LABEL:
01580         SetDParam(0, _settings_client.gui.drag_signals_density);
01581         break;
01582     }
01583   }
01584 
01585   virtual void OnPaint()
01586   {
01587     this->DrawWidgets();
01588   }
01589 
01590   virtual void DrawWidget(const Rect &r, int widget) const
01591   {
01592     if (IsInsideMM(widget, BSW_SEMAPHORE_NORM, BSW_ELECTRIC_PBS_OWAY + 1)) {
01593       /* We need to do some custom sprite widget drawing for the signals. */
01594       const SpriteID _signal_lookup[] = {
01595         SPR_IMG_SIGNAL_SEMAPHORE_NORM,  SPR_IMG_SIGNAL_SEMAPHORE_ENTRY, SPR_IMG_SIGNAL_SEMAPHORE_EXIT,
01596         SPR_IMG_SIGNAL_SEMAPHORE_COMBO, SPR_IMG_SIGNAL_SEMAPHORE_PBS,   SPR_IMG_SIGNAL_SEMAPHORE_PBS_OWAY,
01597 
01598         SPR_IMG_SIGNAL_ELECTRIC_NORM,  SPR_IMG_SIGNAL_ELECTRIC_ENTRY, SPR_IMG_SIGNAL_ELECTRIC_EXIT,
01599         SPR_IMG_SIGNAL_ELECTRIC_COMBO, SPR_IMG_SIGNAL_ELECTRIC_PBS,   SPR_IMG_SIGNAL_ELECTRIC_PBS_OWAY
01600       };
01601 
01602       this->DrawSignalSprite(widget, _signal_lookup[widget - BSW_SEMAPHORE_NORM]);
01603     }
01604   }
01605 
01606   virtual void OnClick(Point pt, int widget, int click_count)
01607   {
01608     switch (widget) {
01609       case BSW_SEMAPHORE_NORM:
01610       case BSW_SEMAPHORE_ENTRY:
01611       case BSW_SEMAPHORE_EXIT:
01612       case BSW_SEMAPHORE_COMBO:
01613       case BSW_SEMAPHORE_PBS:
01614       case BSW_SEMAPHORE_PBS_OWAY:
01615       case BSW_ELECTRIC_NORM:
01616       case BSW_ELECTRIC_ENTRY:
01617       case BSW_ELECTRIC_EXIT:
01618       case BSW_ELECTRIC_COMBO:
01619       case BSW_ELECTRIC_PBS:
01620       case BSW_ELECTRIC_PBS_OWAY:
01621         this->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01622 
01623         _cur_signal_type = (SignalType)((uint)((widget - BSW_SEMAPHORE_NORM) % (SIGTYPE_LAST + 1)));
01624         _cur_signal_variant = widget >= BSW_ELECTRIC_NORM ? SIG_ELECTRIC : SIG_SEMAPHORE;
01625         break;
01626 
01627       case BSW_CONVERT:
01628         _convert_signal_button = !_convert_signal_button;
01629         break;
01630 
01631       case BSW_DRAG_SIGNALS_DENSITY_DECREASE:
01632         if (_settings_client.gui.drag_signals_density > 1) {
01633           _settings_client.gui.drag_signals_density--;
01634           SetWindowDirty(WC_GAME_OPTIONS, 0);
01635         }
01636         break;
01637 
01638       case BSW_DRAG_SIGNALS_DENSITY_INCREASE:
01639         if (_settings_client.gui.drag_signals_density < 20) {
01640           _settings_client.gui.drag_signals_density++;
01641           SetWindowDirty(WC_GAME_OPTIONS, 0);
01642         }
01643         break;
01644 
01645       default: break;
01646     }
01647 
01648     this->InvalidateData();
01649   }
01650 
01651   virtual void OnInvalidateData(int data = 0)
01652   {
01653     this->LowerWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01654 
01655     this->SetWidgetLoweredState(BSW_CONVERT, _convert_signal_button);
01656 
01657     this->SetWidgetDisabledState(BSW_DRAG_SIGNALS_DENSITY_DECREASE, _settings_client.gui.drag_signals_density == 1);
01658     this->SetWidgetDisabledState(BSW_DRAG_SIGNALS_DENSITY_INCREASE, _settings_client.gui.drag_signals_density == 20);
01659   }
01660 };
01661 
01663 static const NWidgetPart _nested_signal_builder_widgets[] = {
01664   NWidget(NWID_HORIZONTAL),
01665     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01666     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_SIGNAL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01667   EndContainer(),
01668   NWidget(NWID_VERTICAL, NC_EQUALSIZE),
01669     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01670       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01671       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01672       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01673       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01674       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01675       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_PBS_OWAY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_OWAY_TOOLTIP), EndContainer(), SetFill(1, 1),
01676       NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, BSW_CONVERT), SetDataTip(SPR_IMG_SIGNAL_CONVERT, STR_BUILD_SIGNAL_CONVERT_TOOLTIP), SetFill(1, 1),
01677     EndContainer(),
01678     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01679       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01680       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01681       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01682       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01683       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01684       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_PBS_OWAY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_OWAY_TOOLTIP), EndContainer(), SetFill(1, 1),
01685       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_DRAG_SIGNALS_DENSITY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01686         NWidget(WWT_LABEL, COLOUR_DARK_GREEN, BSW_DRAG_SIGNALS_DENSITY_LABEL), SetDataTip(STR_ORANGE_INT, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01687         NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
01688           NWidget(NWID_SPACER), SetFill(1, 0),
01689           NWidget(NWID_BUTTON_ARROW, COLOUR_GREY, BSW_DRAG_SIGNALS_DENSITY_DECREASE), SetMinimalSize(9, 12), SetDataTip(AWV_DECREASE, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_DECREASE_TOOLTIP),
01690           NWidget(NWID_BUTTON_ARROW, COLOUR_GREY, BSW_DRAG_SIGNALS_DENSITY_INCREASE), SetMinimalSize(9, 12), SetDataTip(AWV_INCREASE, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_INCREASE_TOOLTIP),
01691           NWidget(NWID_SPACER), SetFill(1, 0),
01692         EndContainer(),
01693         NWidget(NWID_SPACER), SetMinimalSize(0, 2), SetFill(1, 0),
01694       EndContainer(),
01695     EndContainer(),
01696   EndContainer(),
01697 };
01698 
01700 static const WindowDesc _signal_builder_desc(
01701   WDP_AUTO, 0, 0,
01702   WC_BUILD_SIGNAL, WC_BUILD_TOOLBAR,
01703   WDF_UNCLICK_BUTTONS | WDF_CONSTRUCTION,
01704   _nested_signal_builder_widgets, lengthof(_nested_signal_builder_widgets)
01705 );
01706 
01710 static void ShowSignalBuilder(Window *parent)
01711 {
01712   new BuildSignalWindow(&_signal_builder_desc, parent);
01713 }
01714 
01716 enum BuildRailDepotWidgets {
01717   BRDW_DEPOT_NE,
01718   BRDW_DEPOT_SE,
01719   BRDW_DEPOT_SW,
01720   BRDW_DEPOT_NW,
01721 };
01722 
01723 struct BuildRailDepotWindow : public PickerWindowBase {
01724   BuildRailDepotWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01725   {
01726     this->InitNested(desc, TRANSPORT_RAIL);
01727     this->LowerWidget(_build_depot_direction + BRDW_DEPOT_NE);
01728   }
01729 
01730   virtual void OnPaint()
01731   {
01732     this->DrawWidgets();
01733   }
01734 
01735   virtual void DrawWidget(const Rect &r, int widget) const
01736   {
01737     if (!IsInsideMM(widget, BRDW_DEPOT_NE, BRDW_DEPOT_NW + 1)) return;
01738 
01739     DrawTrainDepotSprite(r.left - 1, r.top, widget - BRDW_DEPOT_NE + DIAGDIR_NE, _cur_railtype);
01740   }
01741 
01742   virtual void OnClick(Point pt, int widget, int click_count)
01743   {
01744     switch (widget) {
01745       case BRDW_DEPOT_NE:
01746       case BRDW_DEPOT_SE:
01747       case BRDW_DEPOT_SW:
01748       case BRDW_DEPOT_NW:
01749         this->RaiseWidget(_build_depot_direction + BRDW_DEPOT_NE);
01750         _build_depot_direction = (DiagDirection)(widget - BRDW_DEPOT_NE);
01751         this->LowerWidget(_build_depot_direction + BRDW_DEPOT_NE);
01752         SndPlayFx(SND_15_BEEP);
01753         this->SetDirty();
01754         break;
01755     }
01756   }
01757 };
01758 
01760 static const NWidgetPart _nested_build_depot_widgets[] = {
01761   NWidget(NWID_HORIZONTAL),
01762     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01763     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_DEPOT_TRAIN_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01764   EndContainer(),
01765   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01766     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01767     NWidget(NWID_HORIZONTAL_LTR),
01768       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01769       NWidget(NWID_VERTICAL),
01770         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01771         EndContainer(),
01772         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01773         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01774         EndContainer(),
01775       EndContainer(),
01776       NWidget(NWID_SPACER), SetMinimalSize(2, 0),
01777       NWidget(NWID_VERTICAL),
01778         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01779         EndContainer(),
01780         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01781         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01782         EndContainer(),
01783       EndContainer(),
01784       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01785     EndContainer(),
01786     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01787   EndContainer(),
01788 };
01789 
01790 static const WindowDesc _build_depot_desc(
01791   WDP_AUTO, 0, 0,
01792   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01793   WDF_CONSTRUCTION,
01794   _nested_build_depot_widgets, lengthof(_nested_build_depot_widgets)
01795 );
01796 
01797 static void ShowBuildTrainDepotPicker(Window *parent)
01798 {
01799   new BuildRailDepotWindow(&_build_depot_desc, parent);
01800 }
01801 
01803 enum BuildRailWaypointWidgets {
01804   BRWW_WAYPOINT_1,
01805   BRWW_WAYPOINT_2,
01806   BRWW_WAYPOINT_3,
01807   BRWW_WAYPOINT_4,
01808   BRWW_WAYPOINT_5,
01809   BRWW_SCROLL,
01810 };
01811 
01812 struct BuildRailWaypointWindow : PickerWindowBase {
01813   BuildRailWaypointWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01814   {
01815     this->InitNested(desc, TRANSPORT_RAIL);
01816     this->hscroll.SetCapacity(5);
01817     this->hscroll.SetCount(_waypoint_count);
01818   };
01819 
01820   virtual void OnPaint()
01821   {
01822     for (uint i = 0; i < this->hscroll.GetCapacity(); i++) {
01823       this->SetWidgetLoweredState(i + BRWW_WAYPOINT_1, (this->hscroll.GetPosition() + i) == _cur_waypoint_type);
01824     }
01825 
01826     this->DrawWidgets();
01827 
01828     for (uint i = 0; i < this->hscroll.GetCapacity(); i++) {
01829       if (this->hscroll.GetPosition() + i < this->hscroll.GetCount()) {
01830         const StationSpec *statspec = GetCustomStationSpec(STAT_CLASS_WAYP, this->hscroll.GetPosition() + i);
01831         NWidgetBase *nw = this->GetWidget<NWidgetBase>(BRWW_WAYPOINT_1 + i);
01832 
01833         int bottom = nw->pos_y + nw->current_y;
01834         DrawWaypointSprite(nw->pos_x + TILE_PIXELS, bottom - TILE_PIXELS, this->hscroll.GetPosition() + i, _cur_railtype);
01835 
01836         if (statspec != NULL &&
01837             HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01838             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) {
01839           GfxFillRect(nw->pos_x + 1, nw->pos_y + 1, nw->pos_x + nw->current_x - 2, bottom - 2, 0, FILLRECT_CHECKER);
01840         }
01841       }
01842     }
01843   }
01844 
01845   virtual void OnClick(Point pt, int widget, int click_count)
01846   {
01847     switch (widget) {
01848       case BRWW_WAYPOINT_1:
01849       case BRWW_WAYPOINT_2:
01850       case BRWW_WAYPOINT_3:
01851       case BRWW_WAYPOINT_4:
01852       case BRWW_WAYPOINT_5: {
01853         byte type = widget - BRWW_WAYPOINT_1 + this->hscroll.GetPosition();
01854 
01855         /* Check station availability callback */
01856         const StationSpec *statspec = GetCustomStationSpec(STAT_CLASS_WAYP, type);
01857         if (statspec != NULL &&
01858             HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01859             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) return;
01860 
01861         _cur_waypoint_type = type;
01862         SndPlayFx(SND_15_BEEP);
01863         this->SetDirty();
01864         break;
01865       }
01866     }
01867   }
01868 };
01869 
01871 static const NWidgetPart _nested_build_waypoint_widgets[] = {
01872   NWidget(NWID_HORIZONTAL),
01873     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01874     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_WAYPOINT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01875   EndContainer(),
01876   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01877     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01878     NWidget(NWID_HORIZONTAL), SetPIP(3, 2, 3),
01879       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRWW_WAYPOINT_1), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), EndContainer(),
01880       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRWW_WAYPOINT_2), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), EndContainer(),
01881       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRWW_WAYPOINT_3), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), EndContainer(),
01882       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRWW_WAYPOINT_4), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), EndContainer(),
01883       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRWW_WAYPOINT_5), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), EndContainer(),
01884     EndContainer(),
01885     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01886     NWidget(WWT_HSCROLLBAR, COLOUR_DARK_GREEN, BRWW_SCROLL),
01887   EndContainer(),
01888 };
01889 
01890 static const WindowDesc _build_waypoint_desc(
01891   WDP_AUTO, 0, 0,
01892   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01893   WDF_CONSTRUCTION,
01894   _nested_build_waypoint_widgets, lengthof(_nested_build_waypoint_widgets)
01895 );
01896 
01897 static void ShowBuildWaypointPicker(Window *parent)
01898 {
01899   new BuildRailWaypointWindow(&_build_waypoint_desc, parent);
01900 }
01901 
01905 void InitializeRailGui()
01906 {
01907   _build_depot_direction = DIAGDIR_NW;
01908 }
01909 
01914 void ReinitGuiAfterToggleElrail(bool disable)
01915 {
01916   extern RailType _last_built_railtype;
01917   if (disable && _last_built_railtype == RAILTYPE_ELECTRIC) {
01918     _last_built_railtype = _cur_railtype = RAILTYPE_RAIL;
01919     BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01920     if (w != NULL) w->ModifyRailType(_cur_railtype);
01921   }
01922   MarkWholeScreenDirty();
01923 }
01924 
01926 static void SetDefaultRailGui()
01927 {
01928   if (_local_company == COMPANY_SPECTATOR || !Company::IsValidID(_local_company)) return;
01929 
01930   extern RailType _last_built_railtype;
01931   RailType rt = (RailType)(_settings_client.gui.default_rail_type + RAILTYPE_END);
01932   if (rt == DEF_RAILTYPE_MOST_USED) {
01933     /* Find the most used rail type */
01934     RailType count[RAILTYPE_END];
01935     memset(count, 0, sizeof(count));
01936     for (TileIndex t = 0; t < MapSize(); t++) {
01937       if (IsTileType(t, MP_RAILWAY) || IsLevelCrossingTile(t) || HasStationTileRail(t) ||
01938           (IsTileType(t, MP_TUNNELBRIDGE) && GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL)) {
01939         count[GetRailType(t)]++;
01940       }
01941     }
01942 
01943     rt = RAILTYPE_RAIL;
01944     for (RailType r = RAILTYPE_ELECTRIC; r < RAILTYPE_END; r++) {
01945       if (count[r] >= count[rt]) rt = r;
01946     }
01947 
01948     /* No rail, just get the first available one */
01949     if (count[rt] == 0) rt = DEF_RAILTYPE_FIRST;
01950   }
01951   switch (rt) {
01952     case DEF_RAILTYPE_FIRST:
01953       rt = RAILTYPE_RAIL;
01954       while (rt < RAILTYPE_END && !HasRailtypeAvail(_local_company, rt)) rt++;
01955       break;
01956 
01957     case DEF_RAILTYPE_LAST:
01958       rt = GetBestRailtype(_local_company);
01959       break;
01960 
01961     default:
01962       break;
01963   }
01964 
01965   _last_built_railtype = _cur_railtype = rt;
01966   BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01967   if (w != NULL) w->ModifyRailType(_cur_railtype);
01968 }
01969 
01976 bool ResetSignalVariant(int32 p = 0)
01977 {
01978   SignalVariant new_variant = (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC);
01979 
01980   if (new_variant != _cur_signal_variant) {
01981     Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
01982     if (w != NULL) {
01983       w->SetDirty();
01984       w->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01985     }
01986     _cur_signal_variant = new_variant;
01987   }
01988 
01989   return true;
01990 }
01991 
01995 void InitializeRailGUI()
01996 {
01997   SetDefaultRailGui();
01998 
01999   _convert_signal_button = false;
02000   _cur_signal_type = _default_signal_type[_settings_client.gui.default_signal_type];
02001   ResetSignalVariant();
02002 }

Generated on Tue Sep 14 17:06:53 2010 for OpenTTD by  doxygen 1.6.1