rail_gui.cpp

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "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 "window_func.h"
00024 #include "date_func.h"
00025 #include "sound_func.h"
00026 #include "company_func.h"
00027 #include "widgets/dropdown_type.h"
00028 #include "tunnelbridge.h"
00029 #include "tilehighlight_func.h"
00030 #include "spritecache.h"
00031 #include "core/geometry_func.hpp"
00032 #include "hotkeys.h"
00033 #include "engine_base.h"
00034 #include "vehicle_func.h"
00035 #include "zoom_func.h"
00036 
00037 #include "station_map.h"
00038 #include "tunnelbridge_map.h"
00039 
00040 #include "table/strings.h"
00041 
00042 static RailType _cur_railtype;               
00043 static bool _remove_button_clicked;          
00044 static DiagDirection _build_depot_direction; 
00045 static byte _waypoint_count = 1;             
00046 static byte _cur_waypoint_type;              
00047 static bool _convert_signal_button;          
00048 static SignalVariant _cur_signal_variant;    
00049 static SignalType _cur_signal_type;          
00050 
00051 /* Map the setting: default_signal_type to the corresponding signal type */
00052 static const SignalType _default_signal_type[] = {SIGTYPE_NORMAL, SIGTYPE_PBS, SIGTYPE_PBS_ONEWAY};
00053 
00054 struct RailStationGUISettings {
00055   Axis orientation;                 
00056 
00057   bool newstations;                 
00058   StationClassID station_class;     
00059   byte station_type;                
00060   byte station_count;               
00061 };
00062 static RailStationGUISettings _railstation; 
00063 
00064 
00065 static void HandleStationPlacement(TileIndex start, TileIndex end);
00066 static void ShowBuildTrainDepotPicker(Window *parent);
00067 static void ShowBuildWaypointPicker(Window *parent);
00068 static void ShowStationBuilder(Window *parent);
00069 static void ShowSignalBuilder(Window *parent);
00070 
00075 static bool IsStationAvailable(const StationSpec *statspec)
00076 {
00077   if (statspec == NULL || !HasBit(statspec->callback_mask, CBM_STATION_AVAIL)) return true;
00078 
00079   uint16 cb_res = GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE);
00080   if (cb_res == CALLBACK_FAILED) return true;
00081 
00082   return Convert8bitBooleanCallback(statspec->grf_prop.grffile, CBID_STATION_AVAILABILITY, cb_res);
00083 }
00084 
00085 void CcPlaySound1E(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00086 {
00087   if (result.Succeeded()) SndPlayTileFx(SND_20_SPLAT_2, tile);
00088 }
00089 
00090 static void GenericPlaceRail(TileIndex tile, int cmd)
00091 {
00092   DoCommandP(tile, _cur_railtype, cmd,
00093       _remove_button_clicked ?
00094       CMD_REMOVE_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00095       CMD_BUILD_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK),
00096       CcPlaySound1E);
00097 }
00098 
00106 static void PlaceExtraDepotRail(TileIndex tile, DiagDirection dir, Track track)
00107 {
00108   if (GetRailTileType(tile) != RAIL_TILE_NORMAL) return;
00109   if ((GetTrackBits(tile) & DiagdirReachesTracks(dir)) == 0) return;
00110 
00111   DoCommandP(tile, _cur_railtype, track, CMD_BUILD_SINGLE_RAIL);
00112 }
00113 
00115 static const Track _place_depot_extra_track[12] = {
00116   TRACK_LEFT,  TRACK_UPPER, TRACK_UPPER, TRACK_RIGHT, // First additional track for directions 0..3
00117   TRACK_X,     TRACK_Y,     TRACK_X,     TRACK_Y,     // Second additional track
00118   TRACK_LOWER, TRACK_LEFT,  TRACK_RIGHT, TRACK_LOWER, // Third additional track
00119 };
00120 
00122 static const DiagDirection _place_depot_extra_dir[12] = {
00123   DIAGDIR_SE, DIAGDIR_SW, DIAGDIR_SE, DIAGDIR_SW,
00124   DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_SE,
00125   DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_NW, DIAGDIR_NE,
00126 };
00127 
00128 void CcRailDepot(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00129 {
00130   if (result.Failed()) return;
00131 
00132   DiagDirection dir = (DiagDirection)p2;
00133 
00134   SndPlayTileFx(SND_20_SPLAT_2, tile);
00135   if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00136 
00137   tile += TileOffsByDiagDir(dir);
00138 
00139   if (IsTileType(tile, MP_RAILWAY)) {
00140     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir], _place_depot_extra_track[dir]);
00141     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 4], _place_depot_extra_track[dir + 4]);
00142     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 8], _place_depot_extra_track[dir + 8]);
00143   }
00144 }
00145 
00150 static void PlaceRail_Waypoint(TileIndex tile)
00151 {
00152   if (_remove_button_clicked) {
00153     VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_STATION);
00154     return;
00155   }
00156 
00157   Axis axis = GetAxisForNewWaypoint(tile);
00158   if (IsValidAxis(axis)) {
00159     /* Valid tile for waypoints */
00160     VpStartPlaceSizing(tile, axis == AXIS_X ? VPM_FIX_X : VPM_FIX_Y, DDSP_BUILD_STATION);
00161   } else {
00162     /* Tile where we can't build rail waypoints. This is always going to fail,
00163      * but provides the user with a proper error message. */
00164     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));
00165   }
00166 }
00167 
00168 void CcStation(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00169 {
00170   if (result.Failed()) return;
00171 
00172   SndPlayTileFx(SND_20_SPLAT_2, tile);
00173   /* Only close the station builder window if the default station and non persistent building is chosen. */
00174   if (_railstation.station_class == STAT_CLASS_DFLT && _railstation.station_type == 0 && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00175 }
00176 
00181 static void PlaceRail_Station(TileIndex tile)
00182 {
00183   if (_remove_button_clicked) {
00184     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_REMOVE_STATION);
00185     VpSetPlaceSizingLimit(-1);
00186   } else if (_settings_client.gui.station_dragdrop) {
00187     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_BUILD_STATION);
00188     VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00189   } else {
00190     uint32 p1 = _cur_railtype | _railstation.orientation << 4 | _settings_client.gui.station_numtracks << 8 | _settings_client.gui.station_platlength << 16 | _ctrl_pressed << 24;
00191     uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00192 
00193     int w = _settings_client.gui.station_numtracks;
00194     int h = _settings_client.gui.station_platlength;
00195     if (!_railstation.orientation) Swap(w, h);
00196 
00197     CommandContainer cmdcont = { tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00198     ShowSelectStationIfNeeded(cmdcont, TileArea(tile, w, h));
00199   }
00200 }
00201 
00207 static void GenericPlaceSignals(TileIndex tile)
00208 {
00209   TrackBits trackbits = TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_RAIL, 0));
00210 
00211   if (trackbits & TRACK_BIT_VERT) { // N-S direction
00212     trackbits = (_tile_fract_coords.x <= _tile_fract_coords.y) ? TRACK_BIT_RIGHT : TRACK_BIT_LEFT;
00213   }
00214 
00215   if (trackbits & TRACK_BIT_HORZ) { // E-W direction
00216     trackbits = (_tile_fract_coords.x + _tile_fract_coords.y <= 15) ? TRACK_BIT_UPPER : TRACK_BIT_LOWER;
00217   }
00218 
00219   Track track = FindFirstTrack(trackbits);
00220 
00221   if (_remove_button_clicked) {
00222     DoCommandP(tile, track, 0, CMD_REMOVE_SIGNALS | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM), CcPlaySound1E);
00223   } else {
00224     const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00225 
00226     /* Map the setting cycle_signal_types to the lower and upper allowed signal type. */
00227     static const uint cycle_bounds[] = {SIGTYPE_NORMAL | (SIGTYPE_LAST_NOPBS << 3), SIGTYPE_PBS | (SIGTYPE_LAST << 3), SIGTYPE_NORMAL | (SIGTYPE_LAST << 3)};
00228 
00229     /* various bitstuffed elements for CmdBuildSingleSignal() */
00230     uint32 p1 = track;
00231 
00232     if (w != NULL) {
00233       /* signal GUI is used */
00234       SB(p1, 3, 1, _ctrl_pressed);
00235       SB(p1, 4, 1, _cur_signal_variant);
00236       SB(p1, 5, 3, _cur_signal_type);
00237       SB(p1, 8, 1, _convert_signal_button);
00238       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00239     } else {
00240       SB(p1, 3, 1, _ctrl_pressed);
00241       SB(p1, 4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00242       SB(p1, 5, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00243       SB(p1, 8, 1, 0);
00244       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00245     }
00246 
00247     DoCommandP(tile, p1, 0, CMD_BUILD_SIGNALS |
00248         CMD_MSG((w != NULL && _convert_signal_button) ? STR_ERROR_SIGNAL_CAN_T_CONVERT_SIGNALS_HERE : STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00249         CcPlaySound1E);
00250   }
00251 }
00252 
00258 static void PlaceRail_Bridge(TileIndex tile, Window *w)
00259 {
00260   if (IsBridgeTile(tile)) {
00261     TileIndex other_tile = GetOtherTunnelBridgeEnd(tile);
00262     Point pt = {0, 0};
00263     w->OnPlaceMouseUp(VPM_X_OR_Y, DDSP_BUILD_BRIDGE, pt, tile, other_tile);
00264   } else {
00265     VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_BUILD_BRIDGE);
00266   }
00267 }
00268 
00270 void CcBuildRailTunnel(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00271 {
00272   if (result.Succeeded()) {
00273     SndPlayTileFx(SND_20_SPLAT_2, tile);
00274     if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00275   } else {
00276     SetRedErrorSquare(_build_tunnel_endtile);
00277   }
00278 }
00279 
00280 
00282 enum RailToolbarWidgets {
00283   RTW_CAPTION,
00284   RTW_BUILD_NS,
00285   RTW_BUILD_X,
00286   RTW_BUILD_EW,
00287   RTW_BUILD_Y,
00288   RTW_AUTORAIL,
00289   RTW_DEMOLISH,
00290   RTW_BUILD_DEPOT,
00291   RTW_BUILD_WAYPOINT,
00292   RTW_BUILD_STATION,
00293   RTW_BUILD_SIGNALS,
00294   RTW_BUILD_BRIDGE,
00295   RTW_BUILD_TUNNEL,
00296   RTW_REMOVE,
00297   RTW_CONVERT_RAIL,
00298 };
00299 
00300 
00305 static void ToggleRailButton_Remove(Window *w)
00306 {
00307   DeleteWindowById(WC_SELECT_STATION, 0);
00308   w->ToggleWidgetLoweredState(RTW_REMOVE);
00309   w->SetWidgetDirty(RTW_REMOVE);
00310   _remove_button_clicked = w->IsWidgetLowered(RTW_REMOVE);
00311   SetSelectionRed(_remove_button_clicked);
00312 }
00313 
00319 static bool RailToolbar_CtrlChanged(Window *w)
00320 {
00321   if (w->IsWidgetDisabled(RTW_REMOVE)) return false;
00322 
00323   /* allow ctrl to switch remove mode only for these widgets */
00324   for (uint i = RTW_BUILD_NS; i <= RTW_BUILD_STATION; i++) {
00325     if ((i <= RTW_AUTORAIL || i >= RTW_BUILD_WAYPOINT) && w->IsWidgetLowered(i)) {
00326       ToggleRailButton_Remove(w);
00327       return true;
00328     }
00329   }
00330 
00331   return false;
00332 }
00333 
00334 
00340 static void BuildRailClick_Remove(Window *w)
00341 {
00342   if (w->IsWidgetDisabled(RTW_REMOVE)) return;
00343   ToggleRailButton_Remove(w);
00344   SndPlayFx(SND_15_BEEP);
00345 
00346   /* handle station builder */
00347   if (w->IsWidgetLowered(RTW_BUILD_STATION)) {
00348     if (_remove_button_clicked) {
00349       /* starting drag & drop remove */
00350       if (!_settings_client.gui.station_dragdrop) {
00351         SetTileSelectSize(1, 1);
00352       } else {
00353         VpSetPlaceSizingLimit(-1);
00354       }
00355     } else {
00356       /* starting station build mode */
00357       if (!_settings_client.gui.station_dragdrop) {
00358         int x = _settings_client.gui.station_numtracks;
00359         int y = _settings_client.gui.station_platlength;
00360         if (_railstation.orientation == 0) Swap(x, y);
00361         SetTileSelectSize(x, y);
00362       } else {
00363         VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00364       }
00365     }
00366   }
00367 }
00368 
00369 static void DoRailroadTrack(int mode)
00370 {
00371   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), _cur_railtype | (mode << 4),
00372       _remove_button_clicked ?
00373       CMD_REMOVE_RAILROAD_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00374       CMD_BUILD_RAILROAD_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK));
00375 }
00376 
00377 static void HandleAutodirPlacement()
00378 {
00379   int trackstat = _thd.drawstyle & HT_DIR_MASK; // 0..5
00380 
00381   if (_thd.drawstyle & HT_RAIL) { // one tile case
00382     GenericPlaceRail(TileVirtXY(_thd.selend.x, _thd.selend.y), trackstat);
00383     return;
00384   }
00385 
00386   DoRailroadTrack(trackstat);
00387 }
00388 
00395 static void HandleAutoSignalPlacement()
00396 {
00397   uint32 p2 = GB(_thd.drawstyle, 0, 3); // 0..5
00398 
00399   if ((_thd.drawstyle & HT_DRAG_MASK) == HT_RECT) { // one tile case
00400     GenericPlaceSignals(TileVirtXY(_thd.selend.x, _thd.selend.y));
00401     return;
00402   }
00403 
00404   const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00405 
00406   if (w != NULL) {
00407     /* signal GUI is used */
00408     SB(p2,  3, 1, 0);
00409     SB(p2,  4, 1, _cur_signal_variant);
00410     SB(p2,  6, 1, _ctrl_pressed);
00411     SB(p2,  7, 3, _cur_signal_type);
00412     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00413   } else {
00414     SB(p2,  3, 1, 0);
00415     SB(p2,  4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00416     SB(p2,  6, 1, _ctrl_pressed);
00417     SB(p2,  7, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00418     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00419   }
00420 
00421   /* _settings_client.gui.drag_signals_density is given as a parameter such that each user
00422    * in a network game can specify his/her own signal density */
00423   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), p2,
00424       _remove_button_clicked ?
00425       CMD_REMOVE_SIGNAL_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM) :
00426       CMD_BUILD_SIGNAL_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00427       CcPlaySound1E);
00428 }
00429 
00430 
00432 struct BuildRailToolbarWindow : Window {
00433   RailType railtype;    
00434   int last_user_action; 
00435 
00436   BuildRailToolbarWindow(const WindowDesc *desc, WindowNumber window_number, RailType railtype) : Window()
00437   {
00438     this->InitNested(desc);
00439     this->SetupRailToolbar(railtype);
00440     this->DisableWidget(RTW_REMOVE);
00441     this->last_user_action = WIDGET_LIST_END;
00442 
00443     if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
00444   }
00445 
00446   ~BuildRailToolbarWindow()
00447   {
00448     if (_settings_client.gui.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0, false);
00449   }
00450 
00455   void SetupRailToolbar(RailType railtype)
00456   {
00457     this->railtype = railtype;
00458     const RailtypeInfo *rti = GetRailTypeInfo(railtype);
00459 
00460     assert(railtype < RAILTYPE_END);
00461     this->GetWidget<NWidgetCore>(RTW_BUILD_NS)->widget_data     = rti->gui_sprites.build_ns_rail;
00462     this->GetWidget<NWidgetCore>(RTW_BUILD_X)->widget_data      = rti->gui_sprites.build_x_rail;
00463     this->GetWidget<NWidgetCore>(RTW_BUILD_EW)->widget_data     = rti->gui_sprites.build_ew_rail;
00464     this->GetWidget<NWidgetCore>(RTW_BUILD_Y)->widget_data      = rti->gui_sprites.build_y_rail;
00465     this->GetWidget<NWidgetCore>(RTW_AUTORAIL)->widget_data     = rti->gui_sprites.auto_rail;
00466     this->GetWidget<NWidgetCore>(RTW_BUILD_DEPOT)->widget_data  = rti->gui_sprites.build_depot;
00467     this->GetWidget<NWidgetCore>(RTW_CONVERT_RAIL)->widget_data = rti->gui_sprites.convert_rail;
00468     this->GetWidget<NWidgetCore>(RTW_BUILD_TUNNEL)->widget_data = rti->gui_sprites.build_tunnel;
00469   }
00470 
00475   void ModifyRailType(RailType railtype)
00476   {
00477     this->SetupRailToolbar(railtype);
00478     this->ReInit();
00479   }
00480 
00481   void UpdateRemoveWidgetStatus(int clicked_widget)
00482   {
00483     switch (clicked_widget) {
00484       case RTW_REMOVE:
00485         /* If it is the removal button that has been clicked, do nothing,
00486          * as it is up to the other buttons to drive removal status */
00487         return;
00488 
00489       case RTW_BUILD_NS:
00490       case RTW_BUILD_X:
00491       case RTW_BUILD_EW:
00492       case RTW_BUILD_Y:
00493       case RTW_AUTORAIL:
00494       case RTW_BUILD_WAYPOINT:
00495       case RTW_BUILD_STATION:
00496       case RTW_BUILD_SIGNALS:
00497         /* Removal button is enabled only if the rail/signal/waypoint/station
00498          * button is still lowered.  Once raised, it has to be disabled */
00499         this->SetWidgetDisabledState(RTW_REMOVE, !this->IsWidgetLowered(clicked_widget));
00500         break;
00501 
00502       default:
00503         /* When any other buttons than rail/signal/waypoint/station, raise and
00504          * disable the removal button */
00505         this->DisableWidget(RTW_REMOVE);
00506         this->RaiseWidget(RTW_REMOVE);
00507         break;
00508     }
00509   }
00510 
00511   virtual void SetStringParameters(int widget) const
00512   {
00513     if (widget == RTW_CAPTION) {
00514       const RailtypeInfo *rti = GetRailTypeInfo(this->railtype);
00515       if (rti->max_speed > 0) {
00516         SetDParam(0, STR_TOOLBAR_RAILTYPE_VELOCITY);
00517         SetDParam(1, rti->strings.toolbar_caption);
00518         SetDParam(2, rti->max_speed);
00519       } else {
00520         SetDParam(0, rti->strings.toolbar_caption);
00521       }
00522     }
00523   }
00524 
00525   virtual void OnClick(Point pt, int widget, int click_count)
00526   {
00527     if (widget < RTW_BUILD_NS) return;
00528 
00529     _remove_button_clicked = false;
00530     switch (widget) {
00531       case RTW_BUILD_NS:
00532         HandlePlacePushButton(this, RTW_BUILD_NS, GetRailTypeInfo(_cur_railtype)->cursor.rail_ns, HT_LINE | HT_DIR_VL);
00533         this->last_user_action = widget;
00534         break;
00535 
00536       case RTW_BUILD_X:
00537         HandlePlacePushButton(this, RTW_BUILD_X, GetRailTypeInfo(_cur_railtype)->cursor.rail_swne, HT_LINE | HT_DIR_X);
00538         this->last_user_action = widget;
00539         break;
00540 
00541       case RTW_BUILD_EW:
00542         HandlePlacePushButton(this, RTW_BUILD_EW, GetRailTypeInfo(_cur_railtype)->cursor.rail_ew, HT_LINE | HT_DIR_HL);
00543         this->last_user_action = widget;
00544         break;
00545 
00546       case RTW_BUILD_Y:
00547         HandlePlacePushButton(this, RTW_BUILD_Y, GetRailTypeInfo(_cur_railtype)->cursor.rail_nwse, HT_LINE | HT_DIR_Y);
00548         this->last_user_action = widget;
00549         break;
00550 
00551       case RTW_AUTORAIL:
00552         HandlePlacePushButton(this, RTW_AUTORAIL, GetRailTypeInfo(_cur_railtype)->cursor.autorail, HT_RAIL);
00553         this->last_user_action = widget;
00554         break;
00555 
00556       case RTW_DEMOLISH:
00557         HandlePlacePushButton(this, RTW_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
00558         this->last_user_action = widget;
00559         break;
00560 
00561       case RTW_BUILD_DEPOT:
00562         if (HandlePlacePushButton(this, RTW_BUILD_DEPOT, GetRailTypeInfo(_cur_railtype)->cursor.depot, HT_RECT)) {
00563           ShowBuildTrainDepotPicker(this);
00564           this->last_user_action = widget;
00565         }
00566         break;
00567 
00568       case RTW_BUILD_WAYPOINT:
00569         this->last_user_action = widget;
00570         _waypoint_count = StationClass::GetCount(STAT_CLASS_WAYP);
00571         if (HandlePlacePushButton(this, RTW_BUILD_WAYPOINT, SPR_CURSOR_WAYPOINT, HT_RECT) && _waypoint_count > 1) {
00572           ShowBuildWaypointPicker(this);
00573         }
00574         break;
00575 
00576       case RTW_BUILD_STATION:
00577         if (HandlePlacePushButton(this, RTW_BUILD_STATION, SPR_CURSOR_RAIL_STATION, HT_RECT)) {
00578           ShowStationBuilder(this);
00579           this->last_user_action = widget;
00580         }
00581         break;
00582 
00583       case RTW_BUILD_SIGNALS: {
00584         this->last_user_action = widget;
00585         bool started = HandlePlacePushButton(this, RTW_BUILD_SIGNALS, ANIMCURSOR_BUILDSIGNALS, HT_RECT);
00586         if (started && _settings_client.gui.enable_signal_gui != _ctrl_pressed) {
00587           ShowSignalBuilder(this);
00588         }
00589         break;
00590       }
00591 
00592       case RTW_BUILD_BRIDGE:
00593         HandlePlacePushButton(this, RTW_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT);
00594         this->last_user_action = widget;
00595         break;
00596 
00597       case RTW_BUILD_TUNNEL:
00598         HandlePlacePushButton(this, RTW_BUILD_TUNNEL, GetRailTypeInfo(_cur_railtype)->cursor.tunnel, HT_SPECIAL);
00599         this->last_user_action = widget;
00600         break;
00601 
00602       case RTW_REMOVE:
00603         BuildRailClick_Remove(this);
00604         break;
00605 
00606       case RTW_CONVERT_RAIL:
00607         HandlePlacePushButton(this, RTW_CONVERT_RAIL, GetRailTypeInfo(_cur_railtype)->cursor.convert, HT_RECT | HT_DIAGONAL);
00608         this->last_user_action = widget;
00609         break;
00610 
00611       default: NOT_REACHED();
00612     }
00613     this->UpdateRemoveWidgetStatus(widget);
00614     if (_ctrl_pressed) RailToolbar_CtrlChanged(this);
00615   }
00616 
00617   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
00618   {
00619     int num = CheckHotkeyMatch(railtoolbar_hotkeys, keycode, this);
00620     if (num == -1) return ES_NOT_HANDLED;
00621     this->OnClick(Point(), num, 1);
00622     MarkTileDirtyByTile(TileVirtXY(_thd.pos.x, _thd.pos.y)); // redraw tile selection
00623     return ES_HANDLED;
00624   }
00625 
00626   virtual void OnPlaceObject(Point pt, TileIndex tile)
00627   {
00628     switch (this->last_user_action) {
00629       case RTW_BUILD_NS:
00630         VpStartPlaceSizing(tile, VPM_FIX_VERTICAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00631         break;
00632 
00633       case RTW_BUILD_X:
00634         VpStartPlaceSizing(tile, VPM_FIX_Y | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00635         break;
00636 
00637       case RTW_BUILD_EW:
00638         VpStartPlaceSizing(tile, VPM_FIX_HORIZONTAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00639         break;
00640 
00641       case RTW_BUILD_Y:
00642         VpStartPlaceSizing(tile, VPM_FIX_X | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00643         break;
00644 
00645       case RTW_AUTORAIL:
00646         VpStartPlaceSizing(tile, VPM_RAILDIRS, DDSP_PLACE_RAIL);
00647         break;
00648 
00649       case RTW_DEMOLISH:
00650         PlaceProc_DemolishArea(tile);
00651         break;
00652 
00653       case RTW_BUILD_DEPOT:
00654         DoCommandP(tile, _cur_railtype, _build_depot_direction,
00655             CMD_BUILD_TRAIN_DEPOT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_DEPOT),
00656             CcRailDepot);
00657         break;
00658 
00659       case RTW_BUILD_WAYPOINT:
00660         PlaceRail_Waypoint(tile);
00661         break;
00662 
00663       case RTW_BUILD_STATION:
00664         PlaceRail_Station(tile);
00665         break;
00666 
00667       case RTW_BUILD_SIGNALS:
00668         VpStartPlaceSizing(tile, VPM_SIGNALDIRS, DDSP_BUILD_SIGNALS);
00669         break;
00670 
00671       case RTW_BUILD_BRIDGE:
00672         PlaceRail_Bridge(tile, this);
00673         break;
00674 
00675       case RTW_BUILD_TUNNEL:
00676         DoCommandP(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, CMD_BUILD_TUNNEL | CMD_MSG(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE), CcBuildRailTunnel);
00677         break;
00678 
00679       case RTW_CONVERT_RAIL:
00680         VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CONVERT_RAIL);
00681         break;
00682 
00683       default: NOT_REACHED();
00684     }
00685   }
00686 
00687   virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
00688   {
00689     /* no dragging if you have pressed the convert button */
00690     if (FindWindowById(WC_BUILD_SIGNAL, 0) != NULL && _convert_signal_button && this->IsWidgetLowered(RTW_BUILD_SIGNALS)) return;
00691 
00692     VpSelectTilesWithMethod(pt.x, pt.y, select_method);
00693   }
00694 
00695   virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile)
00696   {
00697     if (pt.x != -1) {
00698       switch (select_proc) {
00699         default: NOT_REACHED();
00700         case DDSP_BUILD_BRIDGE:
00701           if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00702           ShowBuildBridgeWindow(start_tile, end_tile, TRANSPORT_RAIL, _cur_railtype);
00703           break;
00704 
00705         case DDSP_PLACE_RAIL:
00706           HandleAutodirPlacement();
00707           break;
00708 
00709         case DDSP_BUILD_SIGNALS:
00710           HandleAutoSignalPlacement();
00711           break;
00712 
00713         case DDSP_DEMOLISH_AREA:
00714           GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
00715           break;
00716 
00717         case DDSP_CONVERT_RAIL:
00718           DoCommandP(end_tile, start_tile, _cur_railtype | (_ctrl_pressed ? 0x10 : 0), CMD_CONVERT_RAIL | CMD_MSG(STR_ERROR_CAN_T_CONVERT_RAIL), CcPlaySound10);
00719           break;
00720 
00721         case DDSP_REMOVE_STATION:
00722         case DDSP_BUILD_STATION:
00723           if (this->IsWidgetLowered(RTW_BUILD_STATION)) {
00724             /* Station */
00725             if (_remove_button_clicked) {
00726               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);
00727             } else {
00728               HandleStationPlacement(start_tile, end_tile);
00729             }
00730           } else {
00731             /* Waypoint */
00732             if (_remove_button_clicked) {
00733               DoCommandP(end_tile, start_tile, _ctrl_pressed ? 0 : 1, CMD_REMOVE_FROM_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_REMOVE_TRAIN_WAYPOINT), CcPlaySound1E);
00734             } else {
00735               TileArea ta(start_tile, end_tile);
00736               uint32 p1 = _cur_railtype | (select_method == VPM_FIX_X ? AXIS_X : AXIS_Y) << 4 | ta.w << 8 | ta.h << 16 | _ctrl_pressed << 24;
00737               uint32 p2 = STAT_CLASS_WAYP | _cur_waypoint_type << 8 | INVALID_STATION << 16;
00738 
00739               CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_WAYPOINT), CcPlaySound1E, "" };
00740               ShowSelectWaypointIfNeeded(cmdcont, ta);
00741             }
00742           }
00743           break;
00744       }
00745     }
00746   }
00747 
00748   virtual void OnPlaceObjectAbort()
00749   {
00750     this->RaiseButtons();
00751     this->DisableWidget(RTW_REMOVE);
00752     this->SetWidgetDirty(RTW_REMOVE);
00753 
00754     DeleteWindowById(WC_BUILD_SIGNAL, TRANSPORT_RAIL);
00755     DeleteWindowById(WC_BUILD_STATION, TRANSPORT_RAIL);
00756     DeleteWindowById(WC_BUILD_DEPOT, TRANSPORT_RAIL);
00757     DeleteWindowById(WC_SELECT_STATION, 0);
00758     DeleteWindowByClass(WC_BUILD_BRIDGE);
00759   }
00760 
00761   virtual void OnPlacePresize(Point pt, TileIndex tile)
00762   {
00763     DoCommand(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, DC_AUTO, CMD_BUILD_TUNNEL);
00764     VpSetPresizeRange(tile, _build_tunnel_endtile == 0 ? tile : _build_tunnel_endtile);
00765   }
00766 
00767   virtual EventState OnCTRLStateChange()
00768   {
00769     /* do not toggle Remove button by Ctrl when placing station */
00770     if (!this->IsWidgetLowered(RTW_BUILD_STATION) && !this->IsWidgetLowered(RTW_BUILD_WAYPOINT) && RailToolbar_CtrlChanged(this)) return ES_HANDLED;
00771     return ES_NOT_HANDLED;
00772   }
00773 
00774   static Hotkey<BuildRailToolbarWindow> railtoolbar_hotkeys[];
00775 };
00776 
00777 const uint16 _railtoolbar_autorail_keys[] = {'5', 'A' | WKC_GLOBAL_HOTKEY, 0};
00778 
00779 Hotkey<BuildRailToolbarWindow> BuildRailToolbarWindow::railtoolbar_hotkeys[] = {
00780   Hotkey<BuildRailToolbarWindow>('1', "build_ns", RTW_BUILD_NS),
00781   Hotkey<BuildRailToolbarWindow>('2', "build_x", RTW_BUILD_X),
00782   Hotkey<BuildRailToolbarWindow>('3', "build_ew", RTW_BUILD_EW),
00783   Hotkey<BuildRailToolbarWindow>('4', "build_y", RTW_BUILD_Y),
00784   Hotkey<BuildRailToolbarWindow>(_railtoolbar_autorail_keys, "autorail", RTW_AUTORAIL),
00785   Hotkey<BuildRailToolbarWindow>('6', "demolish", RTW_DEMOLISH),
00786   Hotkey<BuildRailToolbarWindow>('7', "depot", RTW_BUILD_DEPOT),
00787   Hotkey<BuildRailToolbarWindow>('8', "waypoint", RTW_BUILD_WAYPOINT),
00788   Hotkey<BuildRailToolbarWindow>('9', "station", RTW_BUILD_STATION),
00789   Hotkey<BuildRailToolbarWindow>('S', "signal", RTW_BUILD_SIGNALS),
00790   Hotkey<BuildRailToolbarWindow>('B', "bridge", RTW_BUILD_BRIDGE),
00791   Hotkey<BuildRailToolbarWindow>('T', "tunnel", RTW_BUILD_TUNNEL),
00792   Hotkey<BuildRailToolbarWindow>('R', "remove", RTW_REMOVE),
00793   Hotkey<BuildRailToolbarWindow>('C', "convert", RTW_CONVERT_RAIL),
00794   HOTKEY_LIST_END(BuildRailToolbarWindow)
00795 };
00796 Hotkey<BuildRailToolbarWindow> *_railtoolbar_hotkeys = BuildRailToolbarWindow::railtoolbar_hotkeys;
00797 
00798 static const NWidgetPart _nested_build_rail_widgets[] = {
00799   NWidget(NWID_HORIZONTAL),
00800     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00801     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, RTW_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00802     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00803   EndContainer(),
00804   NWidget(NWID_HORIZONTAL),
00805     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_NS),
00806             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00807     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_X),
00808             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00809     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_EW),
00810             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_EW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00811     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_Y),
00812             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00813     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_AUTORAIL),
00814             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTORAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_AUTORAIL),
00815 
00816     NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetMinimalSize(4, 22), SetDataTip(0x0, STR_NULL), EndContainer(),
00817 
00818     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_DEMOLISH),
00819             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
00820     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_DEPOT),
00821             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DEPOT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_TRAIN_DEPOT_FOR_BUILDING),
00822     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_WAYPOINT),
00823             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_WAYPOINT, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL_TO_WAYPOINT),
00824     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_STATION),
00825             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_RAIL_STATION, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_STATION),
00826     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_SIGNALS),
00827             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_SIGNALS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_SIGNALS),
00828     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_BRIDGE),
00829             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_BRIDGE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_BRIDGE),
00830     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_TUNNEL),
00831             SetFill(0, 1), SetMinimalSize(20, 22), SetDataTip(SPR_IMG_TUNNEL_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TUNNEL),
00832     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_REMOVE),
00833             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_RAIL_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR),
00834     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_CONVERT_RAIL),
00835             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL),
00836   EndContainer(),
00837 };
00838 
00839 static const WindowDesc _build_rail_desc(
00840   WDP_ALIGN_TOOLBAR, 0, 0,
00841   WC_BUILD_TOOLBAR, WC_NONE,
00842   WDF_CONSTRUCTION,
00843   _nested_build_rail_widgets, lengthof(_nested_build_rail_widgets)
00844 );
00845 
00846 
00855 Window *ShowBuildRailToolbar(RailType railtype)
00856 {
00857   if (!Company::IsValidID(_local_company)) return NULL;
00858   if (!ValParamRailtype(railtype)) return NULL;
00859 
00860   DeleteWindowByClass(WC_BUILD_TOOLBAR);
00861   _cur_railtype = railtype;
00862   _remove_button_clicked = false;
00863   return new BuildRailToolbarWindow(&_build_rail_desc, TRANSPORT_RAIL, railtype);
00864 }
00865 
00866 EventState RailToolbarGlobalHotkeys(uint16 key, uint16 keycode)
00867 {
00868   if (!CanBuildVehicleInfrastructure(VEH_TRAIN)) return ES_NOT_HANDLED;
00869   extern RailType _last_built_railtype;
00870   int num = CheckHotkeyMatch<BuildRailToolbarWindow>(_railtoolbar_hotkeys, keycode, NULL, true);
00871   if (num == -1) return ES_NOT_HANDLED;
00872   Window *w = ShowBuildRailToolbar(_last_built_railtype);
00873   if (w == NULL) return ES_NOT_HANDLED;
00874   return w->OnKeyPress(key, keycode);
00875 }
00876 
00877 /* TODO: For custom stations, respect their allowed platforms/lengths bitmasks!
00878  * --pasky */
00879 
00880 static void HandleStationPlacement(TileIndex start, TileIndex end)
00881 {
00882   TileArea ta(start, end);
00883   uint numtracks = ta.w;
00884   uint platlength = ta.h;
00885 
00886   if (_railstation.orientation == AXIS_X) Swap(numtracks, platlength);
00887 
00888   uint32 p1 = _cur_railtype | _railstation.orientation << 4 | numtracks << 8 | platlength << 16 | _ctrl_pressed << 24;
00889   uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00890 
00891   CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00892   ShowSelectStationIfNeeded(cmdcont, ta);
00893 }
00894 
00896 enum BuildRailStationWidgets {
00897   BRSW_PLATFORM_DIR_X,       
00898   BRSW_PLATFORM_DIR_Y,       
00899 
00900   BRSW_PLATFORM_NUM_1,       
00901   BRSW_PLATFORM_NUM_2,       
00902   BRSW_PLATFORM_NUM_3,       
00903   BRSW_PLATFORM_NUM_4,       
00904   BRSW_PLATFORM_NUM_5,       
00905   BRSW_PLATFORM_NUM_6,       
00906   BRSW_PLATFORM_NUM_7,       
00907 
00908   BRSW_PLATFORM_LEN_1,       
00909   BRSW_PLATFORM_LEN_2,       
00910   BRSW_PLATFORM_LEN_3,       
00911   BRSW_PLATFORM_LEN_4,       
00912   BRSW_PLATFORM_LEN_5,       
00913   BRSW_PLATFORM_LEN_6,       
00914   BRSW_PLATFORM_LEN_7,       
00915 
00916   BRSW_PLATFORM_DRAG_N_DROP, 
00917 
00918   BRSW_HIGHLIGHT_OFF,        
00919   BRSW_HIGHLIGHT_ON,         
00920   BRSW_COVERAGE_TEXTS,       
00921 
00922   BRSW_MATRIX,               
00923   BRSW_IMAGE,                
00924   BRSW_MATRIX_SCROLL,        
00925 
00926   BRSW_SHOW_NEWST_ADDITIONS, 
00927   BRSW_SHOW_NEWST_MATRIX,    
00928   BRSW_SHOW_NEWST_RESIZE,    
00929   BRSW_SHOW_NEWST_TYPE,      
00930   BRSW_NEWST_LIST,           
00931   BRSW_NEWST_SCROLL,         
00932 
00933   BRSW_PLATFORM_NUM_BEGIN = BRSW_PLATFORM_NUM_1 - 1,
00934   BRSW_PLATFORM_LEN_BEGIN = BRSW_PLATFORM_LEN_1 - 1,
00935 };
00936 
00937 struct BuildRailStationWindow : public PickerWindowBase {
00938 private:
00939   uint line_height;     
00940   uint coverage_height; 
00941   Scrollbar *vscroll;   
00942   Scrollbar *vscroll2;  
00943 
00949   void CheckSelectedSize(const StationSpec *statspec)
00950   {
00951     if (statspec == NULL || _settings_client.gui.station_dragdrop) return;
00952 
00953     /* If current number of tracks is not allowed, make it as big as possible (which is always less than currently selected) */
00954     if (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00955       this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00956       _settings_client.gui.station_numtracks = 1;
00957       while (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00958         _settings_client.gui.station_numtracks++;
00959       }
00960       this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00961     }
00962 
00963     if (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00964       this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00965       _settings_client.gui.station_platlength = 1;
00966       while (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00967         _settings_client.gui.station_platlength++;
00968       }
00969       this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00970     }
00971   }
00972 
00973 public:
00974   BuildRailStationWindow(const WindowDesc *desc, Window *parent, bool newstation) : PickerWindowBase(parent)
00975   {
00976     this->coverage_height = 2 * FONT_HEIGHT_NORMAL + 3 * WD_PAR_VSEP_NORMAL;
00977     this->vscroll = NULL;
00978     _railstation.newstations = newstation;
00979 
00980     this->CreateNestedTree(desc);
00981     NWidgetStacked *newst_additions = this->GetWidget<NWidgetStacked>(BRSW_SHOW_NEWST_ADDITIONS);
00982     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00983     newst_additions = this->GetWidget<NWidgetStacked>(BRSW_SHOW_NEWST_MATRIX);
00984     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00985     newst_additions = this->GetWidget<NWidgetStacked>(BRSW_SHOW_NEWST_RESIZE);
00986     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00987     this->FinishInitNested(desc, TRANSPORT_RAIL);
00988 
00989     this->LowerWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
00990     if (_settings_client.gui.station_dragdrop) {
00991       this->LowerWidget(BRSW_PLATFORM_DRAG_N_DROP);
00992     } else {
00993       this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00994       this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00995     }
00996     this->SetWidgetLoweredState(BRSW_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
00997     this->SetWidgetLoweredState(BRSW_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
00998 
00999     if (!newstation || _railstation.station_class >= (int)StationClass::GetCount()) {
01000       /* New stations are not available or changed, so ensure the default station
01001        * type is 'selected'. */
01002       _railstation.station_class = STAT_CLASS_DFLT;
01003       _railstation.station_type = 0;
01004       this->vscroll2 = NULL;
01005     }
01006     if (newstation) {
01007       _railstation.station_count = StationClass::GetCount(_railstation.station_class);
01008       _railstation.station_type = min(_railstation.station_type, _railstation.station_count - 1);
01009 
01010       int count = 0;
01011       for (uint i = 0; i < StationClass::GetCount(); i++) {
01012         if (i == STAT_CLASS_WAYP) continue;
01013         count++;
01014       }
01015       this->vscroll = this->GetScrollbar(BRSW_NEWST_SCROLL);
01016       this->vscroll->SetCount(count);
01017       this->vscroll->SetCapacity(GB(this->GetWidget<NWidgetCore>(BRSW_NEWST_LIST)->widget_data, MAT_ROW_START, MAT_ROW_BITS));
01018       this->vscroll->SetPosition(Clamp(_railstation.station_class - 2, 0, max(this->vscroll->GetCount() - this->vscroll->GetCapacity(), 0)));
01019 
01020       this->vscroll2 = this->GetScrollbar(BRSW_MATRIX_SCROLL);
01021       NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(BRSW_MATRIX);
01022       matrix->SetScrollbar(this->vscroll2);
01023       matrix->SetCount(_railstation.station_count);
01024       matrix->SetClicked(_railstation.station_type);
01025     }
01026   }
01027 
01028   virtual ~BuildRailStationWindow()
01029   {
01030     DeleteWindowById(WC_SELECT_STATION, 0);
01031   }
01032 
01033   virtual void OnPaint()
01034   {
01035     bool newstations = _railstation.newstations;
01036     const StationSpec *statspec = newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01037 
01038     if (_settings_client.gui.station_dragdrop) {
01039       SetTileSelectSize(1, 1);
01040     } else {
01041       int x = _settings_client.gui.station_numtracks;
01042       int y = _settings_client.gui.station_platlength;
01043       if (_railstation.orientation == AXIS_X) Swap(x, y);
01044       if (!_remove_button_clicked) {
01045         SetTileSelectSize(x, y);
01046       }
01047     }
01048 
01049     int rad = (_settings_game.station.modified_catchment) ? CA_TRAIN : CA_UNMODIFIED;
01050 
01051     if (_settings_client.gui.station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
01052 
01053     for (uint bits = 0; bits < 7; bits++) {
01054       bool disable = bits >= _settings_game.station.station_spread;
01055       if (statspec == NULL) {
01056         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_NUM_1, disable);
01057         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_LEN_1, disable);
01058       } else {
01059         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_NUM_1, HasBit(statspec->disallowed_platforms, bits) || disable);
01060         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_LEN_1, HasBit(statspec->disallowed_lengths,   bits) || disable);
01061       }
01062     }
01063 
01064     this->DrawWidgets();
01065 
01066     /* 'Accepts' and 'Supplies' texts. */
01067     NWidgetBase *cov = this->GetWidget<NWidgetBase>(BRSW_COVERAGE_TEXTS);
01068     int top = cov->pos_y + WD_PAR_VSEP_NORMAL;
01069     int left = cov->pos_x + WD_FRAMERECT_LEFT;
01070     int right = cov->pos_x + cov->current_x - WD_FRAMERECT_RIGHT;
01071     int bottom = cov->pos_y + cov->current_y;
01072     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, false) + WD_PAR_VSEP_NORMAL;
01073     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, true) + WD_PAR_VSEP_NORMAL;
01074     /* Resize the coverage text space if the text is not equally long as the window. */
01075     if (top != bottom) {
01076       this->coverage_height += top - bottom;
01077       this->ReInit();
01078     }
01079   }
01080 
01081   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01082   {
01083     switch (widget) {
01084       case BRSW_NEWST_LIST: {
01085         Dimension d = {0, 0};
01086         for (uint i = 0; i < StationClass::GetCount(); i++) {
01087           if (i == STAT_CLASS_WAYP) continue;
01088           SetDParam(0, StationClass::GetName((StationClassID)i));
01089           d = maxdim(d, GetStringBoundingBox(STR_BLACK_STRING));
01090         }
01091         size->width = max(size->width, d.width + padding.width);
01092         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
01093         size->height = GB(this->GetWidget<NWidgetCore>(widget)->widget_data, MAT_ROW_START, MAT_ROW_BITS) * this->line_height;
01094         resize->height = this->line_height;
01095         break;
01096       }
01097 
01098       case BRSW_SHOW_NEWST_TYPE: {
01099         if (!_railstation.newstations) {
01100           size->width = 0;
01101           size->height = 0;
01102           break;
01103         }
01104 
01105         /* If newstations exist, compute the non-zero minimal size. */
01106         Dimension d = {0, 0};
01107         StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
01108         for (StationClassID statclass = STAT_CLASS_BEGIN; statclass < (StationClassID)StationClass::GetCount(); statclass++) {
01109           if (statclass == STAT_CLASS_WAYP) continue;
01110           for (uint16 j = 0; j < StationClass::GetCount(statclass); j++) {
01111             const StationSpec *statspec = StationClass::Get(statclass, j);
01112             SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01113             d = maxdim(d, GetStringBoundingBox(str));
01114           }
01115         }
01116         size->width = max(size->width, d.width + padding.width);
01117         break;
01118       }
01119 
01120       case BRSW_COVERAGE_TEXTS:
01121         size->height = this->coverage_height;
01122         break;
01123 
01124       case BRSW_MATRIX:
01125         fill->height = 1;
01126         resize->height = 1;
01127         break;
01128     }
01129   }
01130 
01131   virtual void DrawWidget(const Rect &r, int widget) const
01132   {
01133     DrawPixelInfo tmp_dpi;
01134 
01135     switch (GB(widget, 0, 16)) {
01136       case BRSW_PLATFORM_DIR_X:
01137         /* Set up a clipping area for the '/' station preview */
01138         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01139           DrawPixelInfo *old_dpi = _cur_dpi;
01140           _cur_dpi = &tmp_dpi;
01141           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_X, _railstation.station_class, _railstation.station_type)) {
01142             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2);
01143           }
01144           _cur_dpi = old_dpi;
01145         }
01146         break;
01147 
01148       case BRSW_PLATFORM_DIR_Y:
01149         /* Set up a clipping area for the '\' station preview */
01150         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01151           DrawPixelInfo *old_dpi = _cur_dpi;
01152           _cur_dpi = &tmp_dpi;
01153           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_Y, _railstation.station_class, _railstation.station_type)) {
01154             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 3);
01155           }
01156           _cur_dpi = old_dpi;
01157         }
01158         break;
01159 
01160       case BRSW_NEWST_LIST: {
01161         uint statclass = 0;
01162         uint row = 0;
01163         for (uint i = 0; i < StationClass::GetCount(); i++) {
01164           if (i == STAT_CLASS_WAYP) continue;
01165           if (this->vscroll->IsVisible(statclass)) {
01166             SetDParam(0, StationClass::GetName((StationClassID)i));
01167             DrawString(r.left + WD_MATRIX_LEFT, r.right - WD_MATRIX_RIGHT, row * this->line_height + r.top + WD_MATRIX_TOP, STR_JUST_STRING,
01168                 (StationClassID)i == _railstation.station_class ? TC_WHITE : TC_BLACK);
01169             row++;
01170           }
01171           statclass++;
01172         }
01173         break;
01174       }
01175 
01176       case BRSW_IMAGE: {
01177         byte type = GB(widget, 16, 16);
01178         assert(type < _railstation.station_count);
01179         /* Check station availability callback */
01180         const StationSpec *statspec = StationClass::Get(_railstation.station_class, type);
01181         if (!IsStationAvailable(statspec)) {
01182           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
01183         }
01184 
01185         /* Set up a clipping area for the station preview. */
01186         if (FillDrawPixelInfo(&tmp_dpi, r.left + 1, r.top + 1, r.right - (r.left + 1) + 1, r.bottom - 1 - (r.top + 1) + 1)) {
01187           DrawPixelInfo *old_dpi = _cur_dpi;
01188           _cur_dpi = &tmp_dpi;
01189           if (!DrawStationTile(31, 29, _cur_railtype, _railstation.orientation, _railstation.station_class, type)) {
01190             StationPickerDrawSprite(31, 29, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2 + _railstation.orientation);
01191           }
01192           _cur_dpi = old_dpi;
01193         }
01194         break;
01195       }
01196     }
01197   }
01198 
01199   virtual void OnResize()
01200   {
01201     if (this->vscroll != NULL) { // New stations available.
01202       this->vscroll->SetCapacityFromWidget(this, BRSW_NEWST_LIST);
01203       this->GetWidget<NWidgetCore>(BRSW_NEWST_LIST)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
01204     }
01205   }
01206 
01207   virtual void SetStringParameters(int widget) const
01208   {
01209     if (widget == BRSW_SHOW_NEWST_TYPE) {
01210       const StationSpec *statspec = StationClass::Get(_railstation.station_class, _railstation.station_type);
01211       SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01212     }
01213   }
01214 
01215   virtual void OnClick(Point pt, int widget, int click_count)
01216   {
01217     switch (GB(widget, 0, 16)) {
01218       case BRSW_PLATFORM_DIR_X:
01219       case BRSW_PLATFORM_DIR_Y:
01220         this->RaiseWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
01221         _railstation.orientation = (Axis)(widget - BRSW_PLATFORM_DIR_X);
01222         this->LowerWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
01223         SndPlayFx(SND_15_BEEP);
01224         this->SetDirty();
01225         DeleteWindowById(WC_SELECT_STATION, 0);
01226         break;
01227 
01228       case BRSW_PLATFORM_NUM_1:
01229       case BRSW_PLATFORM_NUM_2:
01230       case BRSW_PLATFORM_NUM_3:
01231       case BRSW_PLATFORM_NUM_4:
01232       case BRSW_PLATFORM_NUM_5:
01233       case BRSW_PLATFORM_NUM_6:
01234       case BRSW_PLATFORM_NUM_7: {
01235         this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01236         this->RaiseWidget(BRSW_PLATFORM_DRAG_N_DROP);
01237 
01238         _settings_client.gui.station_numtracks = widget - BRSW_PLATFORM_NUM_BEGIN;
01239         _settings_client.gui.station_dragdrop = false;
01240 
01241         _settings_client.gui.station_dragdrop = false;
01242 
01243         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01244         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01245           /* The previously selected number of platforms in invalid */
01246           for (uint i = 0; i < 7; i++) {
01247             if (!HasBit(statspec->disallowed_lengths, i)) {
01248               this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01249               _settings_client.gui.station_platlength = i + 1;
01250               break;
01251             }
01252           }
01253         }
01254 
01255         this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01256         this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01257         SndPlayFx(SND_15_BEEP);
01258         this->SetDirty();
01259         DeleteWindowById(WC_SELECT_STATION, 0);
01260         break;
01261       }
01262 
01263       case BRSW_PLATFORM_LEN_1:
01264       case BRSW_PLATFORM_LEN_2:
01265       case BRSW_PLATFORM_LEN_3:
01266       case BRSW_PLATFORM_LEN_4:
01267       case BRSW_PLATFORM_LEN_5:
01268       case BRSW_PLATFORM_LEN_6:
01269       case BRSW_PLATFORM_LEN_7: {
01270         this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01271         this->RaiseWidget(BRSW_PLATFORM_DRAG_N_DROP);
01272 
01273         _settings_client.gui.station_platlength = widget - BRSW_PLATFORM_LEN_BEGIN;
01274         _settings_client.gui.station_dragdrop = false;
01275 
01276         _settings_client.gui.station_dragdrop = false;
01277 
01278         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01279         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01280           /* The previously selected number of tracks in invalid */
01281           for (uint i = 0; i < 7; i++) {
01282             if (!HasBit(statspec->disallowed_platforms, i)) {
01283               this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01284               _settings_client.gui.station_numtracks = i + 1;
01285               break;
01286             }
01287           }
01288         }
01289 
01290         this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01291         this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01292         SndPlayFx(SND_15_BEEP);
01293         this->SetDirty();
01294         DeleteWindowById(WC_SELECT_STATION, 0);
01295         break;
01296       }
01297 
01298       case BRSW_PLATFORM_DRAG_N_DROP: {
01299         _settings_client.gui.station_dragdrop ^= true;
01300 
01301         this->ToggleWidgetLoweredState(BRSW_PLATFORM_DRAG_N_DROP);
01302 
01303         /* get the first allowed length/number of platforms */
01304         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01305         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01306           for (uint i = 0; i < 7; i++) {
01307             if (!HasBit(statspec->disallowed_lengths, i)) {
01308               this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01309               _settings_client.gui.station_platlength = i + 1;
01310               break;
01311             }
01312           }
01313         }
01314         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01315           for (uint i = 0; i < 7; i++) {
01316             if (!HasBit(statspec->disallowed_platforms, i)) {
01317               this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01318               _settings_client.gui.station_numtracks = i + 1;
01319               break;
01320             }
01321           }
01322         }
01323 
01324         this->SetWidgetLoweredState(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN, !_settings_client.gui.station_dragdrop);
01325         this->SetWidgetLoweredState(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN, !_settings_client.gui.station_dragdrop);
01326         SndPlayFx(SND_15_BEEP);
01327         this->SetDirty();
01328         DeleteWindowById(WC_SELECT_STATION, 0);
01329         break;
01330       }
01331 
01332       case BRSW_HIGHLIGHT_OFF:
01333       case BRSW_HIGHLIGHT_ON:
01334         _settings_client.gui.station_show_coverage = (widget != BRSW_HIGHLIGHT_OFF);
01335 
01336         this->SetWidgetLoweredState(BRSW_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
01337         this->SetWidgetLoweredState(BRSW_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
01338         SndPlayFx(SND_15_BEEP);
01339         this->SetDirty();
01340         break;
01341 
01342       case BRSW_NEWST_LIST: {
01343         int y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, BRSW_NEWST_LIST, 0, this->line_height);
01344         if (y >= (int)StationClass::GetCount()) return;
01345         for (uint i = 0; i < StationClass::GetCount(); i++) {
01346           if (i == STAT_CLASS_WAYP) continue;
01347           if (y == 0) {
01348             if (_railstation.station_class != (StationClassID)i) {
01349               _railstation.station_class = (StationClassID)i;
01350               _railstation.station_count = StationClass::GetCount(_railstation.station_class);
01351               _railstation.station_type  = min((int)_railstation.station_type, max(0, (int)_railstation.station_count - 1));
01352 
01353               this->CheckSelectedSize(StationClass::Get(_railstation.station_class, _railstation.station_type));
01354 
01355               NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(BRSW_MATRIX);
01356               matrix->SetCount(_railstation.station_count);
01357               matrix->SetClicked(_railstation.station_type);
01358             }
01359             SndPlayFx(SND_15_BEEP);
01360             this->SetDirty();
01361             DeleteWindowById(WC_SELECT_STATION, 0);
01362             break;
01363           }
01364           y--;
01365         }
01366         break;
01367       }
01368 
01369       case BRSW_IMAGE: {
01370         int y = GB(widget, 16, 16);
01371         if (y >= _railstation.station_count) return;
01372 
01373         /* Check station availability callback */
01374         const StationSpec *statspec = StationClass::Get(_railstation.station_class, y);
01375         if (!IsStationAvailable(statspec)) return;
01376 
01377         _railstation.station_type = y;
01378 
01379         this->CheckSelectedSize(statspec);
01380         this->GetWidget<NWidgetMatrix>(BRSW_MATRIX)->SetClicked(_railstation.station_type);
01381 
01382         SndPlayFx(SND_15_BEEP);
01383         this->SetDirty();
01384         DeleteWindowById(WC_SELECT_STATION, 0);
01385         break;
01386       }
01387     }
01388   }
01389 
01390   virtual void OnTick()
01391   {
01392     CheckRedrawStationCoverage(this);
01393   }
01394 };
01395 
01396 static const NWidgetPart _nested_station_builder_widgets[] = {
01397   NWidget(NWID_HORIZONTAL),
01398     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01399     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_RAIL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01400   EndContainer(),
01401   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01402     NWidget(NWID_HORIZONTAL),
01403       NWidget(NWID_VERTICAL),
01404         NWidget(NWID_SELECTION, INVALID_COLOUR, BRSW_SHOW_NEWST_ADDITIONS),
01405           NWidget(NWID_HORIZONTAL), SetPIP(7, 0, 7), SetPadding(2, 0, 1, 0),
01406             NWidget(WWT_MATRIX, COLOUR_GREY, BRSW_NEWST_LIST), SetMinimalSize(122, 71), SetFill(1, 0),
01407                 SetDataTip(0x501, STR_STATION_BUILD_STATION_CLASS_TOOLTIP), SetScrollbar(BRSW_NEWST_SCROLL),
01408             NWidget(NWID_VSCROLLBAR, COLOUR_GREY, BRSW_NEWST_SCROLL),
01409           EndContainer(),
01410         EndContainer(),
01411         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_ORIENTATION, STR_NULL), SetPadding(1, 2, 0, 2),
01412         NWidget(NWID_HORIZONTAL),
01413           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01414           NWidget(WWT_PANEL, COLOUR_GREY, BRSW_PLATFORM_DIR_X), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01415           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01416           NWidget(WWT_PANEL, COLOUR_GREY, BRSW_PLATFORM_DIR_Y), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01417           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01418         EndContainer(),
01419         NWidget(WWT_LABEL, COLOUR_DARK_GREEN, BRSW_SHOW_NEWST_TYPE), SetMinimalSize(144, 11), SetDataTip(STR_ORANGE_STRING, STR_NULL), SetPadding(1, 2, 4, 2),
01420         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_NUMBER_OF_TRACKS, STR_NULL), SetPadding(0, 2, 0, 2),
01421         NWidget(NWID_HORIZONTAL),
01422           NWidget(NWID_SPACER), SetFill(1, 0),
01423           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01424           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01425           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01426           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01427           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01428           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01429           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01430           NWidget(NWID_SPACER), SetFill(1, 0),
01431         EndContainer(),
01432         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_PLATFORM_LENGTH, STR_NULL), SetPadding(2, 2, 0, 2),
01433         NWidget(NWID_HORIZONTAL),
01434           NWidget(NWID_SPACER), SetFill(1, 0),
01435           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01436           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01437           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01438           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01439           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01440           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01441           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01442           NWidget(NWID_SPACER), SetFill(1, 0),
01443         EndContainer(),
01444         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01445         NWidget(NWID_HORIZONTAL),
01446           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01447           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),
01448           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01449         EndContainer(),
01450         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetPadding(3, 2, 0, 2),
01451         NWidget(NWID_HORIZONTAL),
01452           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01453           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_HIGHLIGHT_OFF), SetMinimalSize(60, 12),
01454                         SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
01455           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_HIGHLIGHT_ON), SetMinimalSize(60, 12),
01456                         SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
01457           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01458         EndContainer(),
01459       EndContainer(),
01460       NWidget(NWID_SELECTION, INVALID_COLOUR, BRSW_SHOW_NEWST_MATRIX),
01461         /* We need an additional background for the matrix, as the matrix cannot handle the scrollbar due to not being an NWidgetCore. */
01462         NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetScrollbar(BRSW_MATRIX_SCROLL),
01463           NWidget(NWID_HORIZONTAL),
01464             NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, BRSW_MATRIX), SetScrollbar(BRSW_MATRIX_SCROLL), SetPIP(0, 2, 0), SetPadding(2, 0, 0, 0),
01465               NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRSW_IMAGE), SetMinimalSize(66, 60),
01466                   SetFill(0, 0), SetResize(0, 0), SetDataTip(0x0, STR_STATION_BUILD_STATION_TYPE_TOOLTIP), SetScrollbar(BRSW_MATRIX_SCROLL),
01467               EndContainer(),
01468             EndContainer(),
01469             NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, BRSW_MATRIX_SCROLL),
01470           EndContainer(),
01471         EndContainer(),
01472       EndContainer(),
01473     EndContainer(),
01474     NWidget(NWID_HORIZONTAL),
01475       NWidget(WWT_EMPTY, INVALID_COLOUR, BRSW_COVERAGE_TEXTS), SetFill(1, 1), SetResize(1, 0),
01476       NWidget(NWID_SELECTION, INVALID_COLOUR, BRSW_SHOW_NEWST_RESIZE),
01477         NWidget(NWID_VERTICAL),
01478           NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(0, 1), EndContainer(),
01479           NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01480         EndContainer(),
01481       EndContainer(),
01482     EndContainer(),
01483   EndContainer(),
01484 };
01485 
01487 static const WindowDesc _station_builder_desc(
01488   WDP_AUTO, 350, 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 void ShowStationBuilder(Window *parent)
01496 {
01497   bool newstations = StationClass::GetCount() > 2 || StationClass::GetCount(STAT_CLASS_DFLT) != 1;
01498   new BuildRailStationWindow(&_station_builder_desc, parent, newstations);
01499 }
01500 
01502 enum BuildSignalWidgets {
01503   BSW_SEMAPHORE_NORM,
01504   BSW_SEMAPHORE_ENTRY,
01505   BSW_SEMAPHORE_EXIT,
01506   BSW_SEMAPHORE_COMBO,
01507   BSW_SEMAPHORE_PBS,
01508   BSW_SEMAPHORE_PBS_OWAY,
01509   BSW_ELECTRIC_NORM,
01510   BSW_ELECTRIC_ENTRY,
01511   BSW_ELECTRIC_EXIT,
01512   BSW_ELECTRIC_COMBO,
01513   BSW_ELECTRIC_PBS,
01514   BSW_ELECTRIC_PBS_OWAY,
01515   BSW_CONVERT,
01516   BSW_DRAG_SIGNALS_DENSITY,
01517   BSW_DRAG_SIGNALS_DENSITY_LABEL,
01518   BSW_DRAG_SIGNALS_DENSITY_DECREASE,
01519   BSW_DRAG_SIGNALS_DENSITY_INCREASE,
01520 };
01521 
01522 struct BuildSignalWindow : public PickerWindowBase {
01523 private:
01531   void DrawSignalSprite(byte widget_index, SpriteID image) const
01532   {
01533     /* First get the right image, which is one later for 'green' signals. */
01534     image += this->IsWidgetLowered(widget_index);
01535 
01536     /* Next get the actual sprite so we can calculate the right offsets. */
01537     const Sprite *sprite = GetSprite(image, ST_NORMAL);
01538 
01539     /* For the x offset we want the sprite to be centered, so undo the offset
01540      * for sprite drawing and add half of the sprite's width. For the y offset
01541      * we want the sprite to be aligned on the bottom, so again we undo the
01542      * offset for sprite drawing and assume it is the bottom of the sprite. */
01543     int sprite_center_x_offset = UnScaleByZoom(sprite->x_offs + sprite->width / 2, ZOOM_LVL_GUI);
01544     int sprite_bottom_y_offset = UnScaleByZoom(sprite->height + sprite->y_offs, ZOOM_LVL_GUI);
01545 
01546     /* Next we want to know where on the window to draw. Calculate the center
01547      * and the bottom of the area to draw. */
01548     const NWidgetBase *widget = this->GetWidget<NWidgetBase>(widget_index);
01549     int widget_center_x = widget->pos_x + widget->current_x / 2;
01550     int widget_bottom_y = widget->pos_y + widget->current_y - 2;
01551 
01552     /* Finally we draw the signal. */
01553     DrawSprite(image, PAL_NONE,
01554         widget_center_x - sprite_center_x_offset + this->IsWidgetLowered(widget_index),
01555         widget_bottom_y - sprite_bottom_y_offset + this->IsWidgetLowered(widget_index));
01556   }
01557 
01558 public:
01559   BuildSignalWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01560   {
01561     this->InitNested(desc, TRANSPORT_RAIL);
01562     this->OnInvalidateData();
01563   }
01564 
01565   virtual void SetStringParameters(int widget) const
01566   {
01567     switch (widget) {
01568       case BSW_DRAG_SIGNALS_DENSITY_LABEL:
01569         SetDParam(0, _settings_client.gui.drag_signals_density);
01570         break;
01571     }
01572   }
01573 
01574   virtual void DrawWidget(const Rect &r, int widget) const
01575   {
01576     if (IsInsideMM(widget, BSW_SEMAPHORE_NORM, BSW_ELECTRIC_PBS_OWAY + 1)) {
01577       /* We need to do some custom sprite widget drawing for the signals. */
01578       const SpriteID _signal_lookup[] = {
01579         SPR_IMG_SIGNAL_SEMAPHORE_NORM,  SPR_IMG_SIGNAL_SEMAPHORE_ENTRY, SPR_IMG_SIGNAL_SEMAPHORE_EXIT,
01580         SPR_IMG_SIGNAL_SEMAPHORE_COMBO, SPR_IMG_SIGNAL_SEMAPHORE_PBS,   SPR_IMG_SIGNAL_SEMAPHORE_PBS_OWAY,
01581 
01582         SPR_IMG_SIGNAL_ELECTRIC_NORM,  SPR_IMG_SIGNAL_ELECTRIC_ENTRY, SPR_IMG_SIGNAL_ELECTRIC_EXIT,
01583         SPR_IMG_SIGNAL_ELECTRIC_COMBO, SPR_IMG_SIGNAL_ELECTRIC_PBS,   SPR_IMG_SIGNAL_ELECTRIC_PBS_OWAY
01584       };
01585 
01586       this->DrawSignalSprite(widget, _signal_lookup[widget - BSW_SEMAPHORE_NORM]);
01587     }
01588   }
01589 
01590   virtual void OnClick(Point pt, int widget, int click_count)
01591   {
01592     switch (widget) {
01593       case BSW_SEMAPHORE_NORM:
01594       case BSW_SEMAPHORE_ENTRY:
01595       case BSW_SEMAPHORE_EXIT:
01596       case BSW_SEMAPHORE_COMBO:
01597       case BSW_SEMAPHORE_PBS:
01598       case BSW_SEMAPHORE_PBS_OWAY:
01599       case BSW_ELECTRIC_NORM:
01600       case BSW_ELECTRIC_ENTRY:
01601       case BSW_ELECTRIC_EXIT:
01602       case BSW_ELECTRIC_COMBO:
01603       case BSW_ELECTRIC_PBS:
01604       case BSW_ELECTRIC_PBS_OWAY:
01605         this->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01606 
01607         _cur_signal_type = (SignalType)((uint)((widget - BSW_SEMAPHORE_NORM) % (SIGTYPE_LAST + 1)));
01608         _cur_signal_variant = widget >= BSW_ELECTRIC_NORM ? SIG_ELECTRIC : SIG_SEMAPHORE;
01609         break;
01610 
01611       case BSW_CONVERT:
01612         _convert_signal_button = !_convert_signal_button;
01613         break;
01614 
01615       case BSW_DRAG_SIGNALS_DENSITY_DECREASE:
01616         if (_settings_client.gui.drag_signals_density > 1) {
01617           _settings_client.gui.drag_signals_density--;
01618           SetWindowDirty(WC_GAME_OPTIONS, 0);
01619         }
01620         break;
01621 
01622       case BSW_DRAG_SIGNALS_DENSITY_INCREASE:
01623         if (_settings_client.gui.drag_signals_density < 20) {
01624           _settings_client.gui.drag_signals_density++;
01625           SetWindowDirty(WC_GAME_OPTIONS, 0);
01626         }
01627         break;
01628 
01629       default: break;
01630     }
01631 
01632     this->InvalidateData();
01633   }
01634 
01640   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01641   {
01642     if (!gui_scope) return;
01643     this->LowerWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01644 
01645     this->SetWidgetLoweredState(BSW_CONVERT, _convert_signal_button);
01646 
01647     this->SetWidgetDisabledState(BSW_DRAG_SIGNALS_DENSITY_DECREASE, _settings_client.gui.drag_signals_density == 1);
01648     this->SetWidgetDisabledState(BSW_DRAG_SIGNALS_DENSITY_INCREASE, _settings_client.gui.drag_signals_density == 20);
01649   }
01650 };
01651 
01653 static const NWidgetPart _nested_signal_builder_widgets[] = {
01654   NWidget(NWID_HORIZONTAL),
01655     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01656     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_SIGNAL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01657   EndContainer(),
01658   NWidget(NWID_VERTICAL, NC_EQUALSIZE),
01659     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01660       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01661       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01662       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01663       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01664       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01665       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_PBS_OWAY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_OWAY_TOOLTIP), EndContainer(), SetFill(1, 1),
01666       NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, BSW_CONVERT), SetDataTip(SPR_IMG_SIGNAL_CONVERT, STR_BUILD_SIGNAL_CONVERT_TOOLTIP), SetFill(1, 1),
01667     EndContainer(),
01668     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01669       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01670       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01671       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01672       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01673       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01674       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_PBS_OWAY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_OWAY_TOOLTIP), EndContainer(), SetFill(1, 1),
01675       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_DRAG_SIGNALS_DENSITY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01676         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),
01677         NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
01678           NWidget(NWID_SPACER), SetFill(1, 0),
01679           NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, BSW_DRAG_SIGNALS_DENSITY_DECREASE), SetMinimalSize(9, 12), SetDataTip(AWV_DECREASE, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_DECREASE_TOOLTIP),
01680           NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, BSW_DRAG_SIGNALS_DENSITY_INCREASE), SetMinimalSize(9, 12), SetDataTip(AWV_INCREASE, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_INCREASE_TOOLTIP),
01681           NWidget(NWID_SPACER), SetFill(1, 0),
01682         EndContainer(),
01683         NWidget(NWID_SPACER), SetMinimalSize(0, 2), SetFill(1, 0),
01684       EndContainer(),
01685     EndContainer(),
01686   EndContainer(),
01687 };
01688 
01690 static const WindowDesc _signal_builder_desc(
01691   WDP_AUTO, 0, 0,
01692   WC_BUILD_SIGNAL, WC_BUILD_TOOLBAR,
01693   WDF_UNCLICK_BUTTONS | WDF_CONSTRUCTION,
01694   _nested_signal_builder_widgets, lengthof(_nested_signal_builder_widgets)
01695 );
01696 
01700 static void ShowSignalBuilder(Window *parent)
01701 {
01702   new BuildSignalWindow(&_signal_builder_desc, parent);
01703 }
01704 
01706 enum BuildRailDepotWidgets {
01707   BRDW_DEPOT_NE,
01708   BRDW_DEPOT_SE,
01709   BRDW_DEPOT_SW,
01710   BRDW_DEPOT_NW,
01711 };
01712 
01713 struct BuildRailDepotWindow : public PickerWindowBase {
01714   BuildRailDepotWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01715   {
01716     this->InitNested(desc, TRANSPORT_RAIL);
01717     this->LowerWidget(_build_depot_direction + BRDW_DEPOT_NE);
01718   }
01719 
01720   virtual void DrawWidget(const Rect &r, int widget) const
01721   {
01722     if (!IsInsideMM(widget, BRDW_DEPOT_NE, BRDW_DEPOT_NW + 1)) return;
01723 
01724     DrawTrainDepotSprite(r.left - 1, r.top, widget - BRDW_DEPOT_NE + DIAGDIR_NE, _cur_railtype);
01725   }
01726 
01727   virtual void OnClick(Point pt, int widget, int click_count)
01728   {
01729     switch (widget) {
01730       case BRDW_DEPOT_NE:
01731       case BRDW_DEPOT_SE:
01732       case BRDW_DEPOT_SW:
01733       case BRDW_DEPOT_NW:
01734         this->RaiseWidget(_build_depot_direction + BRDW_DEPOT_NE);
01735         _build_depot_direction = (DiagDirection)(widget - BRDW_DEPOT_NE);
01736         this->LowerWidget(_build_depot_direction + BRDW_DEPOT_NE);
01737         SndPlayFx(SND_15_BEEP);
01738         this->SetDirty();
01739         break;
01740     }
01741   }
01742 };
01743 
01745 static const NWidgetPart _nested_build_depot_widgets[] = {
01746   NWidget(NWID_HORIZONTAL),
01747     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01748     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_DEPOT_TRAIN_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01749   EndContainer(),
01750   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01751     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01752     NWidget(NWID_HORIZONTAL_LTR),
01753       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01754       NWidget(NWID_VERTICAL),
01755         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01756         EndContainer(),
01757         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01758         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01759         EndContainer(),
01760       EndContainer(),
01761       NWidget(NWID_SPACER), SetMinimalSize(2, 0),
01762       NWidget(NWID_VERTICAL),
01763         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01764         EndContainer(),
01765         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01766         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01767         EndContainer(),
01768       EndContainer(),
01769       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01770     EndContainer(),
01771     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01772   EndContainer(),
01773 };
01774 
01775 static const WindowDesc _build_depot_desc(
01776   WDP_AUTO, 0, 0,
01777   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01778   WDF_CONSTRUCTION,
01779   _nested_build_depot_widgets, lengthof(_nested_build_depot_widgets)
01780 );
01781 
01782 static void ShowBuildTrainDepotPicker(Window *parent)
01783 {
01784   new BuildRailDepotWindow(&_build_depot_desc, parent);
01785 }
01786 
01788 enum BuildRailWaypointWidgets {
01789   BRWW_WAYPOINT_MATRIX,
01790   BRWW_WAYPOINT,
01791   BRWW_SCROLL,
01792 };
01793 
01794 struct BuildRailWaypointWindow : PickerWindowBase {
01795   BuildRailWaypointWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01796   {
01797     this->CreateNestedTree(desc);
01798 
01799     NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX);
01800     matrix->SetScrollbar(this->GetScrollbar(BRWW_SCROLL));
01801 
01802     this->FinishInitNested(desc, TRANSPORT_RAIL);
01803 
01804     matrix->SetCount(_waypoint_count);
01805     matrix->SetClicked(_cur_waypoint_type);
01806   }
01807 
01808   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01809   {
01810     switch (widget) {
01811       case BRWW_WAYPOINT_MATRIX:
01812         /* Three blobs high and wide. */
01813         size->width  += resize->width  * 2;
01814         size->height += resize->height * 2;
01815 
01816         /* Resizing in X direction only at blob size, but at pixel level in Y. */
01817         resize->height = 1;
01818         break;
01819     }
01820   }
01821 
01822   virtual void DrawWidget(const Rect &r, int widget) const
01823   {
01824     switch (GB(widget, 0, 16)) {
01825       case BRWW_WAYPOINT: {
01826         byte type = GB(widget, 16, 16);
01827         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, type);
01828         DrawWaypointSprite(r.left + TILE_PIXELS, r.bottom - TILE_PIXELS, type, _cur_railtype);
01829 
01830         if (!IsStationAvailable(statspec)) {
01831           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
01832         }
01833       }
01834     }
01835   }
01836 
01837   virtual void OnClick(Point pt, int widget, int click_count)
01838   {
01839     switch (GB(widget, 0, 16)) {
01840       case BRWW_WAYPOINT: {
01841         byte type = GB(widget, 16, 16);
01842         this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01843 
01844         /* Check station availability callback */
01845         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, type);
01846         if (!IsStationAvailable(statspec)) return;
01847 
01848         _cur_waypoint_type = type;
01849         this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01850         SndPlayFx(SND_15_BEEP);
01851         this->SetDirty();
01852         break;
01853       }
01854     }
01855   }
01856 };
01857 
01859 static const NWidgetPart _nested_build_waypoint_widgets[] = {
01860   NWidget(NWID_HORIZONTAL),
01861     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01862     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_WAYPOINT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01863   EndContainer(),
01864   NWidget(NWID_HORIZONTAL),
01865     NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, BRWW_WAYPOINT_MATRIX), SetPIP(3, 2, 3), SetScrollbar(BRWW_SCROLL),
01866       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRWW_WAYPOINT), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), EndContainer(),
01867     EndContainer(),
01868     NWidget(NWID_VERTICAL),
01869       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, BRWW_SCROLL),
01870       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01871     EndContainer(),
01872   EndContainer(),
01873 };
01874 
01875 static const WindowDesc _build_waypoint_desc(
01876   WDP_AUTO, 0, 0,
01877   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01878   WDF_CONSTRUCTION,
01879   _nested_build_waypoint_widgets, lengthof(_nested_build_waypoint_widgets)
01880 );
01881 
01882 static void ShowBuildWaypointPicker(Window *parent)
01883 {
01884   new BuildRailWaypointWindow(&_build_waypoint_desc, parent);
01885 }
01886 
01890 void InitializeRailGui()
01891 {
01892   _build_depot_direction = DIAGDIR_NW;
01893 }
01894 
01899 void ReinitGuiAfterToggleElrail(bool disable)
01900 {
01901   extern RailType _last_built_railtype;
01902   if (disable && _last_built_railtype == RAILTYPE_ELECTRIC) {
01903     _last_built_railtype = _cur_railtype = RAILTYPE_RAIL;
01904     BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01905     if (w != NULL) w->ModifyRailType(_cur_railtype);
01906   }
01907   MarkWholeScreenDirty();
01908 }
01909 
01911 static void SetDefaultRailGui()
01912 {
01913   if (_local_company == COMPANY_SPECTATOR || !Company::IsValidID(_local_company)) return;
01914 
01915   extern RailType _last_built_railtype;
01916   RailType rt = (RailType)(_settings_client.gui.default_rail_type + RAILTYPE_END);
01917   if (rt == DEF_RAILTYPE_MOST_USED) {
01918     /* Find the most used rail type */
01919     RailType count[RAILTYPE_END];
01920     memset(count, 0, sizeof(count));
01921     for (TileIndex t = 0; t < MapSize(); t++) {
01922       if (IsTileType(t, MP_RAILWAY) || IsLevelCrossingTile(t) || HasStationTileRail(t) ||
01923           (IsTileType(t, MP_TUNNELBRIDGE) && GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL)) {
01924         count[GetRailType(t)]++;
01925       }
01926     }
01927 
01928     rt = RAILTYPE_RAIL;
01929     for (RailType r = RAILTYPE_ELECTRIC; r < RAILTYPE_END; r++) {
01930       if (count[r] >= count[rt]) rt = r;
01931     }
01932 
01933     /* No rail, just get the first available one */
01934     if (count[rt] == 0) rt = DEF_RAILTYPE_FIRST;
01935   }
01936   switch (rt) {
01937     case DEF_RAILTYPE_FIRST:
01938       rt = RAILTYPE_RAIL;
01939       while (rt < RAILTYPE_END && !HasRailtypeAvail(_local_company, rt)) rt++;
01940       break;
01941 
01942     case DEF_RAILTYPE_LAST:
01943       rt = GetBestRailtype(_local_company);
01944       break;
01945 
01946     default:
01947       break;
01948   }
01949 
01950   _last_built_railtype = _cur_railtype = rt;
01951   BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01952   if (w != NULL) w->ModifyRailType(_cur_railtype);
01953 }
01954 
01961 bool ResetSignalVariant(int32 p = 0)
01962 {
01963   SignalVariant new_variant = (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC);
01964 
01965   if (new_variant != _cur_signal_variant) {
01966     Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
01967     if (w != NULL) {
01968       w->SetDirty();
01969       w->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01970     }
01971     _cur_signal_variant = new_variant;
01972   }
01973 
01974   return true;
01975 }
01976 
01981 void InitializeRailGUI()
01982 {
01983   SetDefaultRailGui();
01984 
01985   _convert_signal_button = false;
01986   _cur_signal_type = _default_signal_type[_settings_client.gui.default_signal_type];
01987   ResetSignalVariant();
01988 }
01989 
01996 static bool CompareRailTypes(const DropDownListItem *first, const DropDownListItem *second)
01997 {
01998   return GetRailTypeInfo((RailType)first->result)->sorting_order < GetRailTypeInfo((RailType)second->result)->sorting_order;
01999 }
02000 
02006 DropDownList *GetRailTypeDropDownList(bool for_replacement)
02007 {
02008   RailTypes used_railtypes = RAILTYPES_NONE;
02009 
02010   /* Find the used railtypes. */
02011   Engine *e;
02012   FOR_ALL_ENGINES_OF_TYPE(e, VEH_TRAIN) {
02013     if (!HasBit(e->info.climates, _settings_game.game_creation.landscape)) continue;
02014 
02015     used_railtypes |= GetRailTypeInfo(e->u.rail.railtype)->introduces_railtypes;
02016   }
02017 
02018   /* Get the date introduced railtypes as well. */
02019   used_railtypes = AddDateIntroducedRailTypes(used_railtypes, MAX_DAY);
02020 
02021   const Company *c = Company::Get(_local_company);
02022   DropDownList *list = new DropDownList();
02023   for (RailType rt = RAILTYPE_BEGIN; rt != RAILTYPE_END; rt++) {
02024     /* If it's not used ever, don't show it to the user. */
02025     if (!HasBit(used_railtypes, rt)) continue;
02026 
02027     const RailtypeInfo *rti = GetRailTypeInfo(rt);
02028     /* Skip rail type if it has no label */
02029     if (rti->label == 0) continue;
02030 
02031     StringID str = for_replacement ? rti->strings.replace_text : (rti->max_speed > 0 ? STR_TOOLBAR_RAILTYPE_VELOCITY : STR_JUST_STRING);
02032     DropDownListParamStringItem *item = new DropDownListParamStringItem(str, rt, !HasBit(c->avail_railtypes, rt));
02033     item->SetParam(0, rti->strings.menu_text);
02034     item->SetParam(1, rti->max_speed);
02035     list->push_back(item);
02036   }
02037   list->sort(CompareRailTypes);
02038   return list;
02039 }