rail_gui.cpp

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00001 /* $Id: rail_gui.cpp 25496 2013-06-28 19:09:47Z 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 "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 "widgets/rail_widget.h"
00041 
00042 
00043 static RailType _cur_railtype;               
00044 static bool _remove_button_clicked;          
00045 static DiagDirection _build_depot_direction; 
00046 static byte _waypoint_count = 1;             
00047 static byte _cur_waypoint_type;              
00048 static bool _convert_signal_button;          
00049 static SignalVariant _cur_signal_variant;    
00050 static SignalType _cur_signal_type;          
00051 
00052 /* Map the setting: default_signal_type to the corresponding signal type */
00053 static const SignalType _default_signal_type[] = {SIGTYPE_NORMAL, SIGTYPE_PBS, SIGTYPE_PBS_ONEWAY};
00054 
00055 struct RailStationGUISettings {
00056   Axis orientation;                 
00057 
00058   bool newstations;                 
00059   StationClassID station_class;     
00060   byte station_type;                
00061   byte station_count;               
00062 };
00063 static RailStationGUISettings _railstation; 
00064 
00065 
00066 static void HandleStationPlacement(TileIndex start, TileIndex end);
00067 static void ShowBuildTrainDepotPicker(Window *parent);
00068 static void ShowBuildWaypointPicker(Window *parent);
00069 static void ShowStationBuilder(Window *parent);
00070 static void ShowSignalBuilder(Window *parent);
00071 
00076 static bool IsStationAvailable(const StationSpec *statspec)
00077 {
00078   if (statspec == NULL || !HasBit(statspec->callback_mask, CBM_STATION_AVAIL)) return true;
00079 
00080   uint16 cb_res = GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE);
00081   if (cb_res == CALLBACK_FAILED) return true;
00082 
00083   return Convert8bitBooleanCallback(statspec->grf_prop.grffile, CBID_STATION_AVAILABILITY, cb_res);
00084 }
00085 
00086 void CcPlaySound1E(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00087 {
00088   if (result.Succeeded() && _settings_client.sound.confirm) SndPlayTileFx(SND_20_SPLAT_2, tile);
00089 }
00090 
00091 static void GenericPlaceRail(TileIndex tile, int cmd)
00092 {
00093   DoCommandP(tile, _cur_railtype, cmd,
00094       _remove_button_clicked ?
00095       CMD_REMOVE_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00096       CMD_BUILD_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK),
00097       CcPlaySound1E);
00098 }
00099 
00107 static void PlaceExtraDepotRail(TileIndex tile, DiagDirection dir, Track track)
00108 {
00109   if (GetRailTileType(tile) != RAIL_TILE_NORMAL) return;
00110   if ((GetTrackBits(tile) & DiagdirReachesTracks(dir)) == 0) return;
00111 
00112   DoCommandP(tile, _cur_railtype, track, CMD_BUILD_SINGLE_RAIL);
00113 }
00114 
00116 static const Track _place_depot_extra_track[12] = {
00117   TRACK_LEFT,  TRACK_UPPER, TRACK_UPPER, TRACK_RIGHT, // First additional track for directions 0..3
00118   TRACK_X,     TRACK_Y,     TRACK_X,     TRACK_Y,     // Second additional track
00119   TRACK_LOWER, TRACK_LEFT,  TRACK_RIGHT, TRACK_LOWER, // Third additional track
00120 };
00121 
00123 static const DiagDirection _place_depot_extra_dir[12] = {
00124   DIAGDIR_SE, DIAGDIR_SW, DIAGDIR_SE, DIAGDIR_SW,
00125   DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_SE,
00126   DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_NW, DIAGDIR_NE,
00127 };
00128 
00129 void CcRailDepot(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00130 {
00131   if (result.Failed()) return;
00132 
00133   DiagDirection dir = (DiagDirection)p2;
00134 
00135   if (_settings_client.sound.confirm) SndPlayTileFx(SND_20_SPLAT_2, tile);
00136   if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00137 
00138   tile += TileOffsByDiagDir(dir);
00139 
00140   if (IsTileType(tile, MP_RAILWAY)) {
00141     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir], _place_depot_extra_track[dir]);
00142     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 4], _place_depot_extra_track[dir + 4]);
00143     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 8], _place_depot_extra_track[dir + 8]);
00144   }
00145 }
00146 
00151 static void PlaceRail_Waypoint(TileIndex tile)
00152 {
00153   if (_remove_button_clicked) {
00154     VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_STATION);
00155     return;
00156   }
00157 
00158   Axis axis = GetAxisForNewWaypoint(tile);
00159   if (IsValidAxis(axis)) {
00160     /* Valid tile for waypoints */
00161     VpStartPlaceSizing(tile, axis == AXIS_X ? VPM_FIX_X : VPM_FIX_Y, DDSP_BUILD_STATION);
00162   } else {
00163     /* Tile where we can't build rail waypoints. This is always going to fail,
00164      * but provides the user with a proper error message. */
00165     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));
00166   }
00167 }
00168 
00169 void CcStation(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00170 {
00171   if (result.Failed()) return;
00172 
00173   if (_settings_client.sound.confirm) SndPlayTileFx(SND_20_SPLAT_2, tile);
00174   /* Only close the station builder window if the default station and non persistent building is chosen. */
00175   if (_railstation.station_class == STAT_CLASS_DFLT && _railstation.station_type == 0 && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00176 }
00177 
00182 static void PlaceRail_Station(TileIndex tile)
00183 {
00184   if (_remove_button_clicked) {
00185     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_REMOVE_STATION);
00186     VpSetPlaceSizingLimit(-1);
00187   } else if (_settings_client.gui.station_dragdrop) {
00188     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_BUILD_STATION);
00189     VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00190   } else {
00191     uint32 p1 = _cur_railtype | _railstation.orientation << 4 | _settings_client.gui.station_numtracks << 8 | _settings_client.gui.station_platlength << 16 | _ctrl_pressed << 24;
00192     uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00193 
00194     int w = _settings_client.gui.station_numtracks;
00195     int h = _settings_client.gui.station_platlength;
00196     if (!_railstation.orientation) Swap(w, h);
00197 
00198     CommandContainer cmdcont = { tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00199     ShowSelectStationIfNeeded(cmdcont, TileArea(tile, w, h));
00200   }
00201 }
00202 
00208 static void GenericPlaceSignals(TileIndex tile)
00209 {
00210   TrackBits trackbits = TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_RAIL, 0));
00211 
00212   if (trackbits & TRACK_BIT_VERT) { // N-S direction
00213     trackbits = (_tile_fract_coords.x <= _tile_fract_coords.y) ? TRACK_BIT_RIGHT : TRACK_BIT_LEFT;
00214   }
00215 
00216   if (trackbits & TRACK_BIT_HORZ) { // E-W direction
00217     trackbits = (_tile_fract_coords.x + _tile_fract_coords.y <= 15) ? TRACK_BIT_UPPER : TRACK_BIT_LOWER;
00218   }
00219 
00220   Track track = FindFirstTrack(trackbits);
00221 
00222   if (_remove_button_clicked) {
00223     DoCommandP(tile, track, 0, CMD_REMOVE_SIGNALS | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM), CcPlaySound1E);
00224   } else {
00225     const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00226 
00227     /* Map the setting cycle_signal_types to the lower and upper allowed signal type. */
00228     static const uint cycle_bounds[] = {SIGTYPE_NORMAL | (SIGTYPE_LAST_NOPBS << 3), SIGTYPE_PBS | (SIGTYPE_LAST << 3), SIGTYPE_NORMAL | (SIGTYPE_LAST << 3)};
00229 
00230     /* various bitstuffed elements for CmdBuildSingleSignal() */
00231     uint32 p1 = track;
00232 
00233     if (w != NULL) {
00234       /* signal GUI is used */
00235       SB(p1, 3, 1, _ctrl_pressed);
00236       SB(p1, 4, 1, _cur_signal_variant);
00237       SB(p1, 5, 3, _cur_signal_type);
00238       SB(p1, 8, 1, _convert_signal_button);
00239       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00240     } else {
00241       SB(p1, 3, 1, _ctrl_pressed);
00242       SB(p1, 4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00243       SB(p1, 5, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00244       SB(p1, 8, 1, 0);
00245       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00246     }
00247 
00248     DoCommandP(tile, p1, 0, CMD_BUILD_SIGNALS |
00249         CMD_MSG((w != NULL && _convert_signal_button) ? STR_ERROR_SIGNAL_CAN_T_CONVERT_SIGNALS_HERE : STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00250         CcPlaySound1E);
00251   }
00252 }
00253 
00259 static void PlaceRail_Bridge(TileIndex tile, Window *w)
00260 {
00261   if (IsBridgeTile(tile)) {
00262     TileIndex other_tile = GetOtherTunnelBridgeEnd(tile);
00263     Point pt = {0, 0};
00264     w->OnPlaceMouseUp(VPM_X_OR_Y, DDSP_BUILD_BRIDGE, pt, tile, other_tile);
00265   } else {
00266     VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_BUILD_BRIDGE);
00267   }
00268 }
00269 
00271 void CcBuildRailTunnel(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00272 {
00273   if (result.Succeeded()) {
00274     if (_settings_client.sound.confirm) SndPlayTileFx(SND_20_SPLAT_2, tile);
00275     if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00276   } else {
00277     SetRedErrorSquare(_build_tunnel_endtile);
00278   }
00279 }
00280 
00285 static void ToggleRailButton_Remove(Window *w)
00286 {
00287   DeleteWindowById(WC_SELECT_STATION, 0);
00288   w->ToggleWidgetLoweredState(WID_RAT_REMOVE);
00289   w->SetWidgetDirty(WID_RAT_REMOVE);
00290   _remove_button_clicked = w->IsWidgetLowered(WID_RAT_REMOVE);
00291   SetSelectionRed(_remove_button_clicked);
00292 }
00293 
00299 static bool RailToolbar_CtrlChanged(Window *w)
00300 {
00301   if (w->IsWidgetDisabled(WID_RAT_REMOVE)) return false;
00302 
00303   /* allow ctrl to switch remove mode only for these widgets */
00304   for (uint i = WID_RAT_BUILD_NS; i <= WID_RAT_BUILD_STATION; i++) {
00305     if ((i <= WID_RAT_AUTORAIL || i >= WID_RAT_BUILD_WAYPOINT) && w->IsWidgetLowered(i)) {
00306       ToggleRailButton_Remove(w);
00307       return true;
00308     }
00309   }
00310 
00311   return false;
00312 }
00313 
00314 
00320 static void BuildRailClick_Remove(Window *w)
00321 {
00322   if (w->IsWidgetDisabled(WID_RAT_REMOVE)) return;
00323   ToggleRailButton_Remove(w);
00324   if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
00325 
00326   /* handle station builder */
00327   if (w->IsWidgetLowered(WID_RAT_BUILD_STATION)) {
00328     if (_remove_button_clicked) {
00329       /* starting drag & drop remove */
00330       if (!_settings_client.gui.station_dragdrop) {
00331         SetTileSelectSize(1, 1);
00332       } else {
00333         VpSetPlaceSizingLimit(-1);
00334       }
00335     } else {
00336       /* starting station build mode */
00337       if (!_settings_client.gui.station_dragdrop) {
00338         int x = _settings_client.gui.station_numtracks;
00339         int y = _settings_client.gui.station_platlength;
00340         if (_railstation.orientation == 0) Swap(x, y);
00341         SetTileSelectSize(x, y);
00342       } else {
00343         VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00344       }
00345     }
00346   }
00347 }
00348 
00349 static void DoRailroadTrack(int mode)
00350 {
00351   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), _cur_railtype | (mode << 4),
00352       _remove_button_clicked ?
00353       CMD_REMOVE_RAILROAD_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00354       CMD_BUILD_RAILROAD_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK));
00355 }
00356 
00357 static void HandleAutodirPlacement()
00358 {
00359   int trackstat = _thd.drawstyle & HT_DIR_MASK; // 0..5
00360 
00361   if (_thd.drawstyle & HT_RAIL) { // one tile case
00362     GenericPlaceRail(TileVirtXY(_thd.selend.x, _thd.selend.y), trackstat);
00363     return;
00364   }
00365 
00366   DoRailroadTrack(trackstat);
00367 }
00368 
00375 static void HandleAutoSignalPlacement()
00376 {
00377   uint32 p2 = GB(_thd.drawstyle, 0, 3); // 0..5
00378 
00379   if ((_thd.drawstyle & HT_DRAG_MASK) == HT_RECT) { // one tile case
00380     GenericPlaceSignals(TileVirtXY(_thd.selend.x, _thd.selend.y));
00381     return;
00382   }
00383 
00384   const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00385 
00386   if (w != NULL) {
00387     /* signal GUI is used */
00388     SB(p2,  3, 1, 0);
00389     SB(p2,  4, 1, _cur_signal_variant);
00390     SB(p2,  6, 1, _ctrl_pressed);
00391     SB(p2,  7, 3, _cur_signal_type);
00392     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00393     SB(p2, 10, 1, !_settings_client.gui.drag_signals_fixed_distance);
00394   } else {
00395     SB(p2,  3, 1, 0);
00396     SB(p2,  4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00397     SB(p2,  6, 1, _ctrl_pressed);
00398     SB(p2,  7, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00399     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00400     SB(p2, 10, 1, !_settings_client.gui.drag_signals_fixed_distance);
00401   }
00402 
00403   /* _settings_client.gui.drag_signals_density is given as a parameter such that each user
00404    * in a network game can specify his/her own signal density */
00405   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), p2,
00406       _remove_button_clicked ?
00407       CMD_REMOVE_SIGNAL_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM) :
00408       CMD_BUILD_SIGNAL_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00409       CcPlaySound1E);
00410 }
00411 
00412 
00414 struct BuildRailToolbarWindow : Window {
00415   RailType railtype;    
00416   int last_user_action; 
00417 
00418   BuildRailToolbarWindow(const WindowDesc *desc, RailType railtype) : Window()
00419   {
00420     this->InitNested(desc, TRANSPORT_RAIL);
00421     this->SetupRailToolbar(railtype);
00422     this->DisableWidget(WID_RAT_REMOVE);
00423     this->last_user_action = WIDGET_LIST_END;
00424 
00425     if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
00426   }
00427 
00428   ~BuildRailToolbarWindow()
00429   {
00430     if (_settings_client.gui.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0, false);
00431   }
00432 
00437   void SetupRailToolbar(RailType railtype)
00438   {
00439     this->railtype = railtype;
00440     const RailtypeInfo *rti = GetRailTypeInfo(railtype);
00441 
00442     assert(railtype < RAILTYPE_END);
00443     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_NS)->widget_data     = rti->gui_sprites.build_ns_rail;
00444     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_X)->widget_data      = rti->gui_sprites.build_x_rail;
00445     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_EW)->widget_data     = rti->gui_sprites.build_ew_rail;
00446     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_Y)->widget_data      = rti->gui_sprites.build_y_rail;
00447     this->GetWidget<NWidgetCore>(WID_RAT_AUTORAIL)->widget_data     = rti->gui_sprites.auto_rail;
00448     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_DEPOT)->widget_data  = rti->gui_sprites.build_depot;
00449     this->GetWidget<NWidgetCore>(WID_RAT_CONVERT_RAIL)->widget_data = rti->gui_sprites.convert_rail;
00450     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_TUNNEL)->widget_data = rti->gui_sprites.build_tunnel;
00451   }
00452 
00457   void ModifyRailType(RailType railtype)
00458   {
00459     this->SetupRailToolbar(railtype);
00460     this->ReInit();
00461   }
00462 
00463   void UpdateRemoveWidgetStatus(int clicked_widget)
00464   {
00465     switch (clicked_widget) {
00466       case WID_RAT_REMOVE:
00467         /* If it is the removal button that has been clicked, do nothing,
00468          * as it is up to the other buttons to drive removal status */
00469         return;
00470 
00471       case WID_RAT_BUILD_NS:
00472       case WID_RAT_BUILD_X:
00473       case WID_RAT_BUILD_EW:
00474       case WID_RAT_BUILD_Y:
00475       case WID_RAT_AUTORAIL:
00476       case WID_RAT_BUILD_WAYPOINT:
00477       case WID_RAT_BUILD_STATION:
00478       case WID_RAT_BUILD_SIGNALS:
00479         /* Removal button is enabled only if the rail/signal/waypoint/station
00480          * button is still lowered.  Once raised, it has to be disabled */
00481         this->SetWidgetDisabledState(WID_RAT_REMOVE, !this->IsWidgetLowered(clicked_widget));
00482         break;
00483 
00484       default:
00485         /* When any other buttons than rail/signal/waypoint/station, raise and
00486          * disable the removal button */
00487         this->DisableWidget(WID_RAT_REMOVE);
00488         this->RaiseWidget(WID_RAT_REMOVE);
00489         break;
00490     }
00491   }
00492 
00493   virtual void SetStringParameters(int widget) const
00494   {
00495     if (widget == WID_RAT_CAPTION) {
00496       const RailtypeInfo *rti = GetRailTypeInfo(this->railtype);
00497       if (rti->max_speed > 0) {
00498         SetDParam(0, STR_TOOLBAR_RAILTYPE_VELOCITY);
00499         SetDParam(1, rti->strings.toolbar_caption);
00500         SetDParam(2, rti->max_speed);
00501       } else {
00502         SetDParam(0, rti->strings.toolbar_caption);
00503       }
00504     }
00505   }
00506 
00507   virtual void OnClick(Point pt, int widget, int click_count)
00508   {
00509     if (widget < WID_RAT_BUILD_NS) return;
00510 
00511     _remove_button_clicked = false;
00512     switch (widget) {
00513       case WID_RAT_BUILD_NS:
00514         HandlePlacePushButton(this, WID_RAT_BUILD_NS, GetRailTypeInfo(_cur_railtype)->cursor.rail_ns, HT_LINE | HT_DIR_VL);
00515         this->last_user_action = widget;
00516         break;
00517 
00518       case WID_RAT_BUILD_X:
00519         HandlePlacePushButton(this, WID_RAT_BUILD_X, GetRailTypeInfo(_cur_railtype)->cursor.rail_swne, HT_LINE | HT_DIR_X);
00520         this->last_user_action = widget;
00521         break;
00522 
00523       case WID_RAT_BUILD_EW:
00524         HandlePlacePushButton(this, WID_RAT_BUILD_EW, GetRailTypeInfo(_cur_railtype)->cursor.rail_ew, HT_LINE | HT_DIR_HL);
00525         this->last_user_action = widget;
00526         break;
00527 
00528       case WID_RAT_BUILD_Y:
00529         HandlePlacePushButton(this, WID_RAT_BUILD_Y, GetRailTypeInfo(_cur_railtype)->cursor.rail_nwse, HT_LINE | HT_DIR_Y);
00530         this->last_user_action = widget;
00531         break;
00532 
00533       case WID_RAT_AUTORAIL:
00534         HandlePlacePushButton(this, WID_RAT_AUTORAIL, GetRailTypeInfo(_cur_railtype)->cursor.autorail, HT_RAIL);
00535         this->last_user_action = widget;
00536         break;
00537 
00538       case WID_RAT_DEMOLISH:
00539         HandlePlacePushButton(this, WID_RAT_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
00540         this->last_user_action = widget;
00541         break;
00542 
00543       case WID_RAT_BUILD_DEPOT:
00544         if (HandlePlacePushButton(this, WID_RAT_BUILD_DEPOT, GetRailTypeInfo(_cur_railtype)->cursor.depot, HT_RECT)) {
00545           ShowBuildTrainDepotPicker(this);
00546           this->last_user_action = widget;
00547         }
00548         break;
00549 
00550       case WID_RAT_BUILD_WAYPOINT:
00551         this->last_user_action = widget;
00552         _waypoint_count = StationClass::Get(STAT_CLASS_WAYP)->GetSpecCount();
00553         if (HandlePlacePushButton(this, WID_RAT_BUILD_WAYPOINT, SPR_CURSOR_WAYPOINT, HT_RECT) && _waypoint_count > 1) {
00554           ShowBuildWaypointPicker(this);
00555         }
00556         break;
00557 
00558       case WID_RAT_BUILD_STATION:
00559         if (HandlePlacePushButton(this, WID_RAT_BUILD_STATION, SPR_CURSOR_RAIL_STATION, HT_RECT)) {
00560           ShowStationBuilder(this);
00561           this->last_user_action = widget;
00562         }
00563         break;
00564 
00565       case WID_RAT_BUILD_SIGNALS: {
00566         this->last_user_action = widget;
00567         bool started = HandlePlacePushButton(this, WID_RAT_BUILD_SIGNALS, ANIMCURSOR_BUILDSIGNALS, HT_RECT);
00568         if (started && _settings_client.gui.enable_signal_gui != _ctrl_pressed) {
00569           ShowSignalBuilder(this);
00570         }
00571         break;
00572       }
00573 
00574       case WID_RAT_BUILD_BRIDGE:
00575         HandlePlacePushButton(this, WID_RAT_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT);
00576         this->last_user_action = widget;
00577         break;
00578 
00579       case WID_RAT_BUILD_TUNNEL:
00580         HandlePlacePushButton(this, WID_RAT_BUILD_TUNNEL, GetRailTypeInfo(_cur_railtype)->cursor.tunnel, HT_SPECIAL);
00581         this->last_user_action = widget;
00582         break;
00583 
00584       case WID_RAT_REMOVE:
00585         BuildRailClick_Remove(this);
00586         break;
00587 
00588       case WID_RAT_CONVERT_RAIL:
00589         HandlePlacePushButton(this, WID_RAT_CONVERT_RAIL, GetRailTypeInfo(_cur_railtype)->cursor.convert, HT_RECT | HT_DIAGONAL);
00590         this->last_user_action = widget;
00591         break;
00592 
00593       default: NOT_REACHED();
00594     }
00595     this->UpdateRemoveWidgetStatus(widget);
00596     if (_ctrl_pressed) RailToolbar_CtrlChanged(this);
00597   }
00598 
00599   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
00600   {
00601     int num = CheckHotkeyMatch(railtoolbar_hotkeys, keycode, this);
00602     if (num == -1) return ES_NOT_HANDLED;
00603     this->OnClick(Point(), num, 1);
00604     MarkTileDirtyByTile(TileVirtXY(_thd.pos.x, _thd.pos.y)); // redraw tile selection
00605     return ES_HANDLED;
00606   }
00607 
00608   virtual void OnPlaceObject(Point pt, TileIndex tile)
00609   {
00610     switch (this->last_user_action) {
00611       case WID_RAT_BUILD_NS:
00612         VpStartPlaceSizing(tile, VPM_FIX_VERTICAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00613         break;
00614 
00615       case WID_RAT_BUILD_X:
00616         VpStartPlaceSizing(tile, VPM_FIX_Y | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00617         break;
00618 
00619       case WID_RAT_BUILD_EW:
00620         VpStartPlaceSizing(tile, VPM_FIX_HORIZONTAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00621         break;
00622 
00623       case WID_RAT_BUILD_Y:
00624         VpStartPlaceSizing(tile, VPM_FIX_X | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00625         break;
00626 
00627       case WID_RAT_AUTORAIL:
00628         VpStartPlaceSizing(tile, VPM_RAILDIRS, DDSP_PLACE_RAIL);
00629         break;
00630 
00631       case WID_RAT_DEMOLISH:
00632         PlaceProc_DemolishArea(tile);
00633         break;
00634 
00635       case WID_RAT_BUILD_DEPOT:
00636         DoCommandP(tile, _cur_railtype, _build_depot_direction,
00637             CMD_BUILD_TRAIN_DEPOT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_DEPOT),
00638             CcRailDepot);
00639         break;
00640 
00641       case WID_RAT_BUILD_WAYPOINT:
00642         PlaceRail_Waypoint(tile);
00643         break;
00644 
00645       case WID_RAT_BUILD_STATION:
00646         PlaceRail_Station(tile);
00647         break;
00648 
00649       case WID_RAT_BUILD_SIGNALS:
00650         VpStartPlaceSizing(tile, VPM_SIGNALDIRS, DDSP_BUILD_SIGNALS);
00651         break;
00652 
00653       case WID_RAT_BUILD_BRIDGE:
00654         PlaceRail_Bridge(tile, this);
00655         break;
00656 
00657       case WID_RAT_BUILD_TUNNEL:
00658         DoCommandP(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, CMD_BUILD_TUNNEL | CMD_MSG(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE), CcBuildRailTunnel);
00659         break;
00660 
00661       case WID_RAT_CONVERT_RAIL:
00662         VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CONVERT_RAIL);
00663         break;
00664 
00665       default: NOT_REACHED();
00666     }
00667   }
00668 
00669   virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
00670   {
00671     /* no dragging if you have pressed the convert button */
00672     if (FindWindowById(WC_BUILD_SIGNAL, 0) != NULL && _convert_signal_button && this->IsWidgetLowered(WID_RAT_BUILD_SIGNALS)) return;
00673 
00674     VpSelectTilesWithMethod(pt.x, pt.y, select_method);
00675   }
00676 
00677   virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile)
00678   {
00679     if (pt.x != -1) {
00680       switch (select_proc) {
00681         default: NOT_REACHED();
00682         case DDSP_BUILD_BRIDGE:
00683           if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00684           ShowBuildBridgeWindow(start_tile, end_tile, TRANSPORT_RAIL, _cur_railtype);
00685           break;
00686 
00687         case DDSP_PLACE_RAIL:
00688           HandleAutodirPlacement();
00689           break;
00690 
00691         case DDSP_BUILD_SIGNALS:
00692           HandleAutoSignalPlacement();
00693           break;
00694 
00695         case DDSP_DEMOLISH_AREA:
00696           GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
00697           break;
00698 
00699         case DDSP_CONVERT_RAIL:
00700           DoCommandP(end_tile, start_tile, _cur_railtype | (_ctrl_pressed ? 0x10 : 0), CMD_CONVERT_RAIL | CMD_MSG(STR_ERROR_CAN_T_CONVERT_RAIL), CcPlaySound10);
00701           break;
00702 
00703         case DDSP_REMOVE_STATION:
00704         case DDSP_BUILD_STATION:
00705           if (this->IsWidgetLowered(WID_RAT_BUILD_STATION)) {
00706             /* Station */
00707             if (_remove_button_clicked) {
00708               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);
00709             } else {
00710               HandleStationPlacement(start_tile, end_tile);
00711             }
00712           } else {
00713             /* Waypoint */
00714             if (_remove_button_clicked) {
00715               DoCommandP(end_tile, start_tile, _ctrl_pressed ? 0 : 1, CMD_REMOVE_FROM_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_REMOVE_TRAIN_WAYPOINT), CcPlaySound1E);
00716             } else {
00717               TileArea ta(start_tile, end_tile);
00718               uint32 p1 = _cur_railtype | (select_method == VPM_FIX_X ? AXIS_X : AXIS_Y) << 4 | ta.w << 8 | ta.h << 16 | _ctrl_pressed << 24;
00719               uint32 p2 = STAT_CLASS_WAYP | _cur_waypoint_type << 8 | INVALID_STATION << 16;
00720 
00721               CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_WAYPOINT), CcPlaySound1E, "" };
00722               ShowSelectWaypointIfNeeded(cmdcont, ta);
00723             }
00724           }
00725           break;
00726       }
00727     }
00728   }
00729 
00730   virtual void OnPlaceObjectAbort()
00731   {
00732     this->RaiseButtons();
00733     this->DisableWidget(WID_RAT_REMOVE);
00734     this->SetWidgetDirty(WID_RAT_REMOVE);
00735 
00736     DeleteWindowById(WC_BUILD_SIGNAL, TRANSPORT_RAIL);
00737     DeleteWindowById(WC_BUILD_STATION, TRANSPORT_RAIL);
00738     DeleteWindowById(WC_BUILD_DEPOT, TRANSPORT_RAIL);
00739     DeleteWindowById(WC_BUILD_WAYPOINT, TRANSPORT_RAIL);
00740     DeleteWindowById(WC_SELECT_STATION, 0);
00741     DeleteWindowByClass(WC_BUILD_BRIDGE);
00742   }
00743 
00744   virtual void OnPlacePresize(Point pt, TileIndex tile)
00745   {
00746     DoCommand(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, DC_AUTO, CMD_BUILD_TUNNEL);
00747     VpSetPresizeRange(tile, _build_tunnel_endtile == 0 ? tile : _build_tunnel_endtile);
00748   }
00749 
00750   virtual EventState OnCTRLStateChange()
00751   {
00752     /* do not toggle Remove button by Ctrl when placing station */
00753     if (!this->IsWidgetLowered(WID_RAT_BUILD_STATION) && !this->IsWidgetLowered(WID_RAT_BUILD_WAYPOINT) && RailToolbar_CtrlChanged(this)) return ES_HANDLED;
00754     return ES_NOT_HANDLED;
00755   }
00756 
00757   static Hotkey<BuildRailToolbarWindow> railtoolbar_hotkeys[];
00758 };
00759 
00760 const uint16 _railtoolbar_autorail_keys[] = {'5', 'A' | WKC_GLOBAL_HOTKEY, 0};
00761 
00762 Hotkey<BuildRailToolbarWindow> BuildRailToolbarWindow::railtoolbar_hotkeys[] = {
00763   Hotkey<BuildRailToolbarWindow>('1', "build_ns", WID_RAT_BUILD_NS),
00764   Hotkey<BuildRailToolbarWindow>('2', "build_x", WID_RAT_BUILD_X),
00765   Hotkey<BuildRailToolbarWindow>('3', "build_ew", WID_RAT_BUILD_EW),
00766   Hotkey<BuildRailToolbarWindow>('4', "build_y", WID_RAT_BUILD_Y),
00767   Hotkey<BuildRailToolbarWindow>(_railtoolbar_autorail_keys, "autorail", WID_RAT_AUTORAIL),
00768   Hotkey<BuildRailToolbarWindow>('6', "demolish", WID_RAT_DEMOLISH),
00769   Hotkey<BuildRailToolbarWindow>('7', "depot", WID_RAT_BUILD_DEPOT),
00770   Hotkey<BuildRailToolbarWindow>('8', "waypoint", WID_RAT_BUILD_WAYPOINT),
00771   Hotkey<BuildRailToolbarWindow>('9', "station", WID_RAT_BUILD_STATION),
00772   Hotkey<BuildRailToolbarWindow>('S', "signal", WID_RAT_BUILD_SIGNALS),
00773   Hotkey<BuildRailToolbarWindow>('B', "bridge", WID_RAT_BUILD_BRIDGE),
00774   Hotkey<BuildRailToolbarWindow>('T', "tunnel", WID_RAT_BUILD_TUNNEL),
00775   Hotkey<BuildRailToolbarWindow>('R', "remove", WID_RAT_REMOVE),
00776   Hotkey<BuildRailToolbarWindow>('C', "convert", WID_RAT_CONVERT_RAIL),
00777   HOTKEY_LIST_END(BuildRailToolbarWindow)
00778 };
00779 Hotkey<BuildRailToolbarWindow> *_railtoolbar_hotkeys = BuildRailToolbarWindow::railtoolbar_hotkeys;
00780 
00781 static const NWidgetPart _nested_build_rail_widgets[] = {
00782   NWidget(NWID_HORIZONTAL),
00783     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00784     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_RAT_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00785     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00786   EndContainer(),
00787   NWidget(NWID_HORIZONTAL),
00788     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_NS),
00789             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00790     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_X),
00791             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00792     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_EW),
00793             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_EW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00794     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_Y),
00795             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00796     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_AUTORAIL),
00797             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTORAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_AUTORAIL),
00798 
00799     NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetMinimalSize(4, 22), SetDataTip(0x0, STR_NULL), EndContainer(),
00800 
00801     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_DEMOLISH),
00802             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
00803     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_DEPOT),
00804             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DEPOT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_TRAIN_DEPOT_FOR_BUILDING),
00805     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_WAYPOINT),
00806             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_WAYPOINT, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL_TO_WAYPOINT),
00807     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_STATION),
00808             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_RAIL_STATION, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_STATION),
00809     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_SIGNALS),
00810             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_SIGNALS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_SIGNALS),
00811     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_BRIDGE),
00812             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_BRIDGE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_BRIDGE),
00813     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_TUNNEL),
00814             SetFill(0, 1), SetMinimalSize(20, 22), SetDataTip(SPR_IMG_TUNNEL_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TUNNEL),
00815     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_REMOVE),
00816             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_RAIL_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR),
00817     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_CONVERT_RAIL),
00818             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL),
00819   EndContainer(),
00820 };
00821 
00822 static const WindowDesc _build_rail_desc(
00823   WDP_ALIGN_TOOLBAR, 0, 0,
00824   WC_BUILD_TOOLBAR, WC_NONE,
00825   WDF_CONSTRUCTION,
00826   _nested_build_rail_widgets, lengthof(_nested_build_rail_widgets)
00827 );
00828 
00829 
00838 Window *ShowBuildRailToolbar(RailType railtype)
00839 {
00840   if (!Company::IsValidID(_local_company)) return NULL;
00841   if (!ValParamRailtype(railtype)) return NULL;
00842 
00843   DeleteWindowByClass(WC_BUILD_TOOLBAR);
00844   _cur_railtype = railtype;
00845   _remove_button_clicked = false;
00846   return new BuildRailToolbarWindow(&_build_rail_desc, railtype);
00847 }
00848 
00849 EventState RailToolbarGlobalHotkeys(uint16 key, uint16 keycode)
00850 {
00851   if (!CanBuildVehicleInfrastructure(VEH_TRAIN)) return ES_NOT_HANDLED;
00852   extern RailType _last_built_railtype;
00853   int num = CheckHotkeyMatch<BuildRailToolbarWindow>(_railtoolbar_hotkeys, keycode, NULL, true);
00854   if (num == -1) return ES_NOT_HANDLED;
00855   Window *w = ShowBuildRailToolbar(_last_built_railtype);
00856   if (w == NULL) return ES_NOT_HANDLED;
00857   return w->OnKeyPress(key, keycode);
00858 }
00859 
00860 /* TODO: For custom stations, respect their allowed platforms/lengths bitmasks!
00861  * --pasky */
00862 
00863 static void HandleStationPlacement(TileIndex start, TileIndex end)
00864 {
00865   TileArea ta(start, end);
00866   uint numtracks = ta.w;
00867   uint platlength = ta.h;
00868 
00869   if (_railstation.orientation == AXIS_X) Swap(numtracks, platlength);
00870 
00871   uint32 p1 = _cur_railtype | _railstation.orientation << 4 | numtracks << 8 | platlength << 16 | _ctrl_pressed << 24;
00872   uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00873 
00874   CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00875   ShowSelectStationIfNeeded(cmdcont, ta);
00876 }
00877 
00878 struct BuildRailStationWindow : public PickerWindowBase {
00879 private:
00880   uint line_height;     
00881   uint coverage_height; 
00882   Scrollbar *vscroll;   
00883   Scrollbar *vscroll2;  
00884 
00890   void CheckSelectedSize(const StationSpec *statspec)
00891   {
00892     if (statspec == NULL || _settings_client.gui.station_dragdrop) return;
00893 
00894     /* If current number of tracks is not allowed, make it as big as possible (which is always less than currently selected) */
00895     if (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00896       this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00897       _settings_client.gui.station_numtracks = 1;
00898       while (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00899         _settings_client.gui.station_numtracks++;
00900       }
00901       this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00902     }
00903 
00904     if (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00905       this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00906       _settings_client.gui.station_platlength = 1;
00907       while (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00908         _settings_client.gui.station_platlength++;
00909       }
00910       this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00911     }
00912   }
00913 
00914 public:
00915   BuildRailStationWindow(const WindowDesc *desc, Window *parent, bool newstation) : PickerWindowBase(parent)
00916   {
00917     this->coverage_height = 2 * FONT_HEIGHT_NORMAL + 3 * WD_PAR_VSEP_NORMAL;
00918     this->vscroll = NULL;
00919     _railstation.newstations = newstation;
00920 
00921     this->CreateNestedTree(desc);
00922     NWidgetStacked *newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_ADDITIONS);
00923     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00924     newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_MATRIX);
00925     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00926     newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_RESIZE);
00927     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00928     this->FinishInitNested(desc, TRANSPORT_RAIL);
00929 
00930     this->LowerWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
00931     if (_settings_client.gui.station_dragdrop) {
00932       this->LowerWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
00933     } else {
00934       this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00935       this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00936     }
00937     this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
00938     this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
00939 
00940     if (!newstation || _railstation.station_class >= (int)StationClass::GetClassCount()) {
00941       /* New stations are not available or changed, so ensure the default station
00942        * type is 'selected'. */
00943       _railstation.station_class = STAT_CLASS_DFLT;
00944       _railstation.station_type = 0;
00945       this->vscroll2 = NULL;
00946     }
00947     if (newstation) {
00948       _railstation.station_count = StationClass::Get(_railstation.station_class)->GetSpecCount();
00949       _railstation.station_type = min(_railstation.station_type, _railstation.station_count - 1);
00950 
00951       int count = 0;
00952       for (uint i = 0; i < StationClass::GetClassCount(); i++) {
00953         if (i == STAT_CLASS_WAYP) continue;
00954         count++;
00955       }
00956       this->vscroll = this->GetScrollbar(WID_BRAS_NEWST_SCROLL);
00957       this->vscroll->SetCount(count);
00958       this->vscroll->SetCapacity(GB(this->GetWidget<NWidgetCore>(WID_BRAS_NEWST_LIST)->widget_data, MAT_ROW_START, MAT_ROW_BITS));
00959       this->vscroll->SetPosition(Clamp(_railstation.station_class - 2, 0, max(this->vscroll->GetCount() - this->vscroll->GetCapacity(), 0)));
00960 
00961       this->vscroll2 = this->GetScrollbar(WID_BRAS_MATRIX_SCROLL);
00962       NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX);
00963       matrix->SetScrollbar(this->vscroll2);
00964       matrix->SetCount(_railstation.station_count);
00965       matrix->SetClicked(_railstation.station_type);
00966     }
00967   }
00968 
00969   virtual ~BuildRailStationWindow()
00970   {
00971     DeleteWindowById(WC_SELECT_STATION, 0);
00972   }
00973 
00974   virtual void OnPaint()
00975   {
00976     bool newstations = _railstation.newstations;
00977     const StationSpec *statspec = newstations ? StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type) : NULL;
00978 
00979     if (_settings_client.gui.station_dragdrop) {
00980       SetTileSelectSize(1, 1);
00981     } else {
00982       int x = _settings_client.gui.station_numtracks;
00983       int y = _settings_client.gui.station_platlength;
00984       if (_railstation.orientation == AXIS_X) Swap(x, y);
00985       if (!_remove_button_clicked) {
00986         SetTileSelectSize(x, y);
00987       }
00988     }
00989 
00990     int rad = (_settings_game.station.modified_catchment) ? CA_TRAIN : CA_UNMODIFIED;
00991 
00992     if (_settings_client.gui.station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
00993 
00994     for (uint bits = 0; bits < 7; bits++) {
00995       bool disable = bits >= _settings_game.station.station_spread;
00996       if (statspec == NULL) {
00997         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_NUM_1, disable);
00998         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_LEN_1, disable);
00999       } else {
01000         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_NUM_1, HasBit(statspec->disallowed_platforms, bits) || disable);
01001         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_LEN_1, HasBit(statspec->disallowed_lengths,   bits) || disable);
01002       }
01003     }
01004 
01005     this->DrawWidgets();
01006 
01007     /* 'Accepts' and 'Supplies' texts. */
01008     NWidgetBase *cov = this->GetWidget<NWidgetBase>(WID_BRAS_COVERAGE_TEXTS);
01009     int top = cov->pos_y + WD_PAR_VSEP_NORMAL;
01010     int left = cov->pos_x + WD_FRAMERECT_LEFT;
01011     int right = cov->pos_x + cov->current_x - WD_FRAMERECT_RIGHT;
01012     int bottom = cov->pos_y + cov->current_y;
01013     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, false) + WD_PAR_VSEP_NORMAL;
01014     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, true) + WD_PAR_VSEP_NORMAL;
01015     /* Resize background if the window is too small.
01016      * Never make the window smaller to avoid oscillating if the size change affects the acceptance.
01017      * (This is the case, if making the window bigger moves the mouse into the window.) */
01018     if (top > bottom) {
01019       this->coverage_height += top - bottom;
01020       this->ReInit();
01021     }
01022   }
01023 
01024   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01025   {
01026     switch (widget) {
01027       case WID_BRAS_NEWST_LIST: {
01028         Dimension d = {0, 0};
01029         for (uint i = 0; i < StationClass::GetClassCount(); i++) {
01030           if (i == STAT_CLASS_WAYP) continue;
01031           SetDParam(0, StationClass::Get((StationClassID)i)->name);
01032           d = maxdim(d, GetStringBoundingBox(STR_BLACK_STRING));
01033         }
01034         size->width = max(size->width, d.width + padding.width);
01035         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
01036         size->height = GB(this->GetWidget<NWidgetCore>(widget)->widget_data, MAT_ROW_START, MAT_ROW_BITS) * this->line_height;
01037         resize->height = this->line_height;
01038         break;
01039       }
01040 
01041       case WID_BRAS_SHOW_NEWST_TYPE: {
01042         if (!_railstation.newstations) {
01043           size->width = 0;
01044           size->height = 0;
01045           break;
01046         }
01047 
01048         /* If newstations exist, compute the non-zero minimal size. */
01049         Dimension d = {0, 0};
01050         StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
01051         for (StationClassID statclass = STAT_CLASS_BEGIN; statclass < (StationClassID)StationClass::GetClassCount(); statclass++) {
01052           if (statclass == STAT_CLASS_WAYP) continue;
01053           StationClass *stclass = StationClass::Get(statclass);
01054           for (uint16 j = 0; j < stclass->GetSpecCount(); j++) {
01055             const StationSpec *statspec = stclass->GetSpec(j);
01056             SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01057             d = maxdim(d, GetStringBoundingBox(str));
01058           }
01059         }
01060         size->width = max(size->width, d.width + padding.width);
01061         break;
01062       }
01063 
01064       case WID_BRAS_COVERAGE_TEXTS:
01065         size->height = this->coverage_height;
01066         break;
01067 
01068       case WID_BRAS_MATRIX:
01069         fill->height = 1;
01070         resize->height = 1;
01071         break;
01072     }
01073   }
01074 
01075   virtual void DrawWidget(const Rect &r, int widget) const
01076   {
01077     DrawPixelInfo tmp_dpi;
01078 
01079     switch (GB(widget, 0, 16)) {
01080       case WID_BRAS_PLATFORM_DIR_X:
01081         /* Set up a clipping area for the '/' station preview */
01082         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01083           DrawPixelInfo *old_dpi = _cur_dpi;
01084           _cur_dpi = &tmp_dpi;
01085           if (!DrawStationTile(32, 28, _cur_railtype, AXIS_X, _railstation.station_class, _railstation.station_type)) {
01086             StationPickerDrawSprite(32, 28, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2);
01087           }
01088           _cur_dpi = old_dpi;
01089         }
01090         break;
01091 
01092       case WID_BRAS_PLATFORM_DIR_Y:
01093         /* Set up a clipping area for the '\' station preview */
01094         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01095           DrawPixelInfo *old_dpi = _cur_dpi;
01096           _cur_dpi = &tmp_dpi;
01097           if (!DrawStationTile(32, 28, _cur_railtype, AXIS_Y, _railstation.station_class, _railstation.station_type)) {
01098             StationPickerDrawSprite(32, 28, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 3);
01099           }
01100           _cur_dpi = old_dpi;
01101         }
01102         break;
01103 
01104       case WID_BRAS_NEWST_LIST: {
01105         uint statclass = 0;
01106         uint row = 0;
01107         for (uint i = 0; i < StationClass::GetClassCount(); i++) {
01108           if (i == STAT_CLASS_WAYP) continue;
01109           if (this->vscroll->IsVisible(statclass)) {
01110             SetDParam(0, StationClass::Get((StationClassID)i)->name);
01111             DrawString(r.left + WD_MATRIX_LEFT, r.right - WD_MATRIX_RIGHT, row * this->line_height + r.top + WD_MATRIX_TOP, STR_JUST_STRING,
01112                 (StationClassID)i == _railstation.station_class ? TC_WHITE : TC_BLACK);
01113             row++;
01114           }
01115           statclass++;
01116         }
01117         break;
01118       }
01119 
01120       case WID_BRAS_IMAGE: {
01121         byte type = GB(widget, 16, 16);
01122         assert(type < _railstation.station_count);
01123         /* Check station availability callback */
01124         const StationSpec *statspec = StationClass::Get(_railstation.station_class)->GetSpec(type);
01125         if (!IsStationAvailable(statspec)) {
01126           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
01127         }
01128 
01129         /* Set up a clipping area for the station preview. */
01130         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01131           DrawPixelInfo *old_dpi = _cur_dpi;
01132           _cur_dpi = &tmp_dpi;
01133           if (!DrawStationTile(32, 28, _cur_railtype, _railstation.orientation, _railstation.station_class, type)) {
01134             StationPickerDrawSprite(32, 28, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2 + _railstation.orientation);
01135           }
01136           _cur_dpi = old_dpi;
01137         }
01138         break;
01139       }
01140     }
01141   }
01142 
01143   virtual void OnResize()
01144   {
01145     if (this->vscroll != NULL) { // New stations available.
01146       this->vscroll->SetCapacityFromWidget(this, WID_BRAS_NEWST_LIST);
01147       this->GetWidget<NWidgetCore>(WID_BRAS_NEWST_LIST)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
01148     }
01149   }
01150 
01151   virtual void SetStringParameters(int widget) const
01152   {
01153     if (widget == WID_BRAS_SHOW_NEWST_TYPE) {
01154       const StationSpec *statspec = StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type);
01155       SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01156     }
01157   }
01158 
01159   virtual void OnClick(Point pt, int widget, int click_count)
01160   {
01161     switch (GB(widget, 0, 16)) {
01162       case WID_BRAS_PLATFORM_DIR_X:
01163       case WID_BRAS_PLATFORM_DIR_Y:
01164         this->RaiseWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
01165         _railstation.orientation = (Axis)(widget - WID_BRAS_PLATFORM_DIR_X);
01166         this->LowerWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
01167         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01168         this->SetDirty();
01169         DeleteWindowById(WC_SELECT_STATION, 0);
01170         break;
01171 
01172       case WID_BRAS_PLATFORM_NUM_1:
01173       case WID_BRAS_PLATFORM_NUM_2:
01174       case WID_BRAS_PLATFORM_NUM_3:
01175       case WID_BRAS_PLATFORM_NUM_4:
01176       case WID_BRAS_PLATFORM_NUM_5:
01177       case WID_BRAS_PLATFORM_NUM_6:
01178       case WID_BRAS_PLATFORM_NUM_7: {
01179         this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01180         this->RaiseWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
01181 
01182         _settings_client.gui.station_numtracks = widget - WID_BRAS_PLATFORM_NUM_BEGIN;
01183         _settings_client.gui.station_dragdrop = false;
01184 
01185         _settings_client.gui.station_dragdrop = false;
01186 
01187         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type) : NULL;
01188         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01189           /* The previously selected number of platforms in invalid */
01190           for (uint i = 0; i < 7; i++) {
01191             if (!HasBit(statspec->disallowed_lengths, i)) {
01192               this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01193               _settings_client.gui.station_platlength = i + 1;
01194               break;
01195             }
01196           }
01197         }
01198 
01199         this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01200         this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01201         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01202         this->SetDirty();
01203         DeleteWindowById(WC_SELECT_STATION, 0);
01204         break;
01205       }
01206 
01207       case WID_BRAS_PLATFORM_LEN_1:
01208       case WID_BRAS_PLATFORM_LEN_2:
01209       case WID_BRAS_PLATFORM_LEN_3:
01210       case WID_BRAS_PLATFORM_LEN_4:
01211       case WID_BRAS_PLATFORM_LEN_5:
01212       case WID_BRAS_PLATFORM_LEN_6:
01213       case WID_BRAS_PLATFORM_LEN_7: {
01214         this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01215         this->RaiseWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
01216 
01217         _settings_client.gui.station_platlength = widget - WID_BRAS_PLATFORM_LEN_BEGIN;
01218         _settings_client.gui.station_dragdrop = false;
01219 
01220         _settings_client.gui.station_dragdrop = false;
01221 
01222         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type) : NULL;
01223         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01224           /* The previously selected number of tracks in invalid */
01225           for (uint i = 0; i < 7; i++) {
01226             if (!HasBit(statspec->disallowed_platforms, i)) {
01227               this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01228               _settings_client.gui.station_numtracks = i + 1;
01229               break;
01230             }
01231           }
01232         }
01233 
01234         this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01235         this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01236         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01237         this->SetDirty();
01238         DeleteWindowById(WC_SELECT_STATION, 0);
01239         break;
01240       }
01241 
01242       case WID_BRAS_PLATFORM_DRAG_N_DROP: {
01243         _settings_client.gui.station_dragdrop ^= true;
01244 
01245         this->ToggleWidgetLoweredState(WID_BRAS_PLATFORM_DRAG_N_DROP);
01246 
01247         /* get the first allowed length/number of platforms */
01248         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type) : NULL;
01249         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01250           for (uint i = 0; i < 7; i++) {
01251             if (!HasBit(statspec->disallowed_lengths, i)) {
01252               this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01253               _settings_client.gui.station_platlength = i + 1;
01254               break;
01255             }
01256           }
01257         }
01258         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01259           for (uint i = 0; i < 7; i++) {
01260             if (!HasBit(statspec->disallowed_platforms, i)) {
01261               this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01262               _settings_client.gui.station_numtracks = i + 1;
01263               break;
01264             }
01265           }
01266         }
01267 
01268         this->SetWidgetLoweredState(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN, !_settings_client.gui.station_dragdrop);
01269         this->SetWidgetLoweredState(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN, !_settings_client.gui.station_dragdrop);
01270         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01271         this->SetDirty();
01272         DeleteWindowById(WC_SELECT_STATION, 0);
01273         break;
01274       }
01275 
01276       case WID_BRAS_HIGHLIGHT_OFF:
01277       case WID_BRAS_HIGHLIGHT_ON:
01278         _settings_client.gui.station_show_coverage = (widget != WID_BRAS_HIGHLIGHT_OFF);
01279 
01280         this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
01281         this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
01282         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01283         this->SetDirty();
01284         break;
01285 
01286       case WID_BRAS_NEWST_LIST: {
01287         int y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_BRAS_NEWST_LIST, 0, this->line_height);
01288         if (y >= (int)StationClass::GetClassCount()) return;
01289         for (uint i = 0; i < StationClass::GetClassCount(); i++) {
01290           if (i == STAT_CLASS_WAYP) continue;
01291           if (y == 0) {
01292             if (_railstation.station_class != (StationClassID)i) {
01293               _railstation.station_class = (StationClassID)i;
01294               StationClass *stclass = StationClass::Get(_railstation.station_class);
01295               _railstation.station_count = stclass->GetSpecCount();
01296               _railstation.station_type  = min((int)_railstation.station_type, max(0, (int)_railstation.station_count - 1));
01297 
01298               this->CheckSelectedSize(stclass->GetSpec(_railstation.station_type));
01299 
01300               NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX);
01301               matrix->SetCount(_railstation.station_count);
01302               matrix->SetClicked(_railstation.station_type);
01303             }
01304             if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01305             this->SetDirty();
01306             DeleteWindowById(WC_SELECT_STATION, 0);
01307             break;
01308           }
01309           y--;
01310         }
01311         break;
01312       }
01313 
01314       case WID_BRAS_IMAGE: {
01315         int y = GB(widget, 16, 16);
01316         if (y >= _railstation.station_count) return;
01317 
01318         /* Check station availability callback */
01319         const StationSpec *statspec = StationClass::Get(_railstation.station_class)->GetSpec(y);
01320         if (!IsStationAvailable(statspec)) return;
01321 
01322         _railstation.station_type = y;
01323 
01324         this->CheckSelectedSize(statspec);
01325         this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX)->SetClicked(_railstation.station_type);
01326 
01327         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01328         this->SetDirty();
01329         DeleteWindowById(WC_SELECT_STATION, 0);
01330         break;
01331       }
01332     }
01333   }
01334 
01335   virtual void OnTick()
01336   {
01337     CheckRedrawStationCoverage(this);
01338   }
01339 };
01340 
01341 static const NWidgetPart _nested_station_builder_widgets[] = {
01342   NWidget(NWID_HORIZONTAL),
01343     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01344     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_RAIL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01345   EndContainer(),
01346   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01347     NWidget(NWID_HORIZONTAL),
01348       NWidget(NWID_VERTICAL),
01349         NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_ADDITIONS),
01350           NWidget(NWID_HORIZONTAL), SetPIP(7, 0, 7), SetPadding(2, 0, 1, 0),
01351             NWidget(WWT_MATRIX, COLOUR_GREY, WID_BRAS_NEWST_LIST), SetMinimalSize(122, 71), SetFill(1, 0),
01352                 SetDataTip(0x501, STR_STATION_BUILD_STATION_CLASS_TOOLTIP), SetScrollbar(WID_BRAS_NEWST_SCROLL),
01353             NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_BRAS_NEWST_SCROLL),
01354           EndContainer(),
01355         EndContainer(),
01356         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_ORIENTATION, STR_NULL), SetPadding(1, 2, 0, 2),
01357         NWidget(NWID_HORIZONTAL),
01358           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01359           NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAS_PLATFORM_DIR_X), SetMinimalSize(66, 60), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01360           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01361           NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAS_PLATFORM_DIR_Y), SetMinimalSize(66, 60), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01362           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01363         EndContainer(),
01364         NWidget(WWT_LABEL, COLOUR_DARK_GREEN, WID_BRAS_SHOW_NEWST_TYPE), SetMinimalSize(144, 11), SetDataTip(STR_ORANGE_STRING, STR_NULL), SetPadding(1, 2, 4, 2),
01365         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_NUMBER_OF_TRACKS, STR_NULL), SetPadding(0, 2, 0, 2),
01366         NWidget(NWID_HORIZONTAL),
01367           NWidget(NWID_SPACER), SetFill(1, 0),
01368           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01369           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01370           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01371           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01372           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01373           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01374           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01375           NWidget(NWID_SPACER), SetFill(1, 0),
01376         EndContainer(),
01377         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_PLATFORM_LENGTH, STR_NULL), SetPadding(2, 2, 0, 2),
01378         NWidget(NWID_HORIZONTAL),
01379           NWidget(NWID_SPACER), SetFill(1, 0),
01380           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01381           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01382           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01383           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01384           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01385           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01386           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01387           NWidget(NWID_SPACER), SetFill(1, 0),
01388         EndContainer(),
01389         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01390         NWidget(NWID_HORIZONTAL),
01391           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01392           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_DRAG_N_DROP), SetMinimalSize(75, 12), SetDataTip(STR_STATION_BUILD_DRAG_DROP, STR_STATION_BUILD_DRAG_DROP_TOOLTIP),
01393           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01394         EndContainer(),
01395         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetPadding(3, 2, 0, 2),
01396         NWidget(NWID_HORIZONTAL),
01397           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01398           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_HIGHLIGHT_OFF), SetMinimalSize(60, 12),
01399                         SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
01400           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_HIGHLIGHT_ON), SetMinimalSize(60, 12),
01401                         SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
01402           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01403         EndContainer(),
01404       EndContainer(),
01405       NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_MATRIX),
01406         /* We need an additional background for the matrix, as the matrix cannot handle the scrollbar due to not being an NWidgetCore. */
01407         NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetScrollbar(WID_BRAS_MATRIX_SCROLL),
01408           NWidget(NWID_HORIZONTAL),
01409             NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, WID_BRAS_MATRIX), SetScrollbar(WID_BRAS_MATRIX_SCROLL), SetPIP(0, 2, 0), SetPadding(2, 0, 0, 0),
01410               NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BRAS_IMAGE), SetMinimalSize(66, 60),
01411                   SetFill(0, 0), SetResize(0, 0), SetDataTip(0x0, STR_STATION_BUILD_STATION_TYPE_TOOLTIP), SetScrollbar(WID_BRAS_MATRIX_SCROLL),
01412               EndContainer(),
01413             EndContainer(),
01414             NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_BRAS_MATRIX_SCROLL),
01415           EndContainer(),
01416         EndContainer(),
01417       EndContainer(),
01418     EndContainer(),
01419     NWidget(NWID_HORIZONTAL),
01420       NWidget(WWT_EMPTY, INVALID_COLOUR, WID_BRAS_COVERAGE_TEXTS), SetFill(1, 1), SetResize(1, 0),
01421       NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_RESIZE),
01422         NWidget(NWID_VERTICAL),
01423           NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(0, 1), EndContainer(),
01424           NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01425         EndContainer(),
01426       EndContainer(),
01427     EndContainer(),
01428   EndContainer(),
01429 };
01430 
01432 static const WindowDesc _station_builder_desc(
01433   WDP_AUTO, 350, 0,
01434   WC_BUILD_STATION, WC_BUILD_TOOLBAR,
01435   WDF_CONSTRUCTION,
01436   _nested_station_builder_widgets, lengthof(_nested_station_builder_widgets)
01437 );
01438 
01440 static void ShowStationBuilder(Window *parent)
01441 {
01442   bool newstations = StationClass::GetClassCount() > 2 || StationClass::Get(STAT_CLASS_DFLT)->GetSpecCount() != 1;
01443   new BuildRailStationWindow(&_station_builder_desc, parent, newstations);
01444 }
01445 
01446 struct BuildSignalWindow : public PickerWindowBase {
01447 private:
01455   void DrawSignalSprite(byte widget_index, SpriteID image) const
01456   {
01457     /* Next get the actual sprite so we can calculate the right offsets. */
01458     const Sprite *sprite = GetSprite(image, ST_NORMAL);
01459 
01460     /* For the x offset we want the sprite to be centered, so undo the offset
01461      * for sprite drawing and add half of the sprite's width. For the y offset
01462      * we want the sprite to be aligned on the bottom, so again we undo the
01463      * offset for sprite drawing and assume it is the bottom of the sprite. */
01464     int sprite_center_x_offset = UnScaleByZoom(sprite->x_offs + sprite->width / 2, ZOOM_LVL_GUI);
01465     int sprite_bottom_y_offset = UnScaleByZoom(sprite->height + sprite->y_offs, ZOOM_LVL_GUI);
01466 
01467     /* Next we want to know where on the window to draw. Calculate the center
01468      * and the bottom of the area to draw. */
01469     const NWidgetBase *widget = this->GetWidget<NWidgetBase>(widget_index);
01470     int widget_center_x = widget->pos_x + widget->current_x / 2;
01471     int widget_bottom_y = widget->pos_y + widget->current_y - 2;
01472 
01473     /* Finally we draw the signal. */
01474     DrawSprite(image, PAL_NONE,
01475         widget_center_x - sprite_center_x_offset + this->IsWidgetLowered(widget_index),
01476         widget_bottom_y - sprite_bottom_y_offset + this->IsWidgetLowered(widget_index));
01477   }
01478 
01479 public:
01480   BuildSignalWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01481   {
01482     this->InitNested(desc, TRANSPORT_RAIL);
01483     this->OnInvalidateData();
01484   }
01485 
01486   ~BuildSignalWindow()
01487   {
01488     _convert_signal_button = false;
01489   }
01490 
01491   virtual void SetStringParameters(int widget) const
01492   {
01493     switch (widget) {
01494       case WID_BS_DRAG_SIGNALS_DENSITY_LABEL:
01495         SetDParam(0, _settings_client.gui.drag_signals_density);
01496         break;
01497     }
01498   }
01499 
01500   virtual void DrawWidget(const Rect &r, int widget) const
01501   {
01502     if (IsInsideMM(widget, WID_BS_SEMAPHORE_NORM, WID_BS_ELECTRIC_PBS_OWAY + 1)) {
01503       /* Extract signal from widget number. */
01504       int type = (widget - WID_BS_SEMAPHORE_NORM) % SIGTYPE_END;
01505       int var = SIG_SEMAPHORE - (widget - WID_BS_SEMAPHORE_NORM) / SIGTYPE_END; // SignalVariant order is reversed compared to the widgets.
01506       SpriteID sprite = GetRailTypeInfo(_cur_railtype)->gui_sprites.signals[type][var][this->IsWidgetLowered(widget)];
01507 
01508       this->DrawSignalSprite(widget, sprite);
01509     }
01510   }
01511 
01512   virtual void OnClick(Point pt, int widget, int click_count)
01513   {
01514     switch (widget) {
01515       case WID_BS_SEMAPHORE_NORM:
01516       case WID_BS_SEMAPHORE_ENTRY:
01517       case WID_BS_SEMAPHORE_EXIT:
01518       case WID_BS_SEMAPHORE_COMBO:
01519       case WID_BS_SEMAPHORE_PBS:
01520       case WID_BS_SEMAPHORE_PBS_OWAY:
01521       case WID_BS_ELECTRIC_NORM:
01522       case WID_BS_ELECTRIC_ENTRY:
01523       case WID_BS_ELECTRIC_EXIT:
01524       case WID_BS_ELECTRIC_COMBO:
01525       case WID_BS_ELECTRIC_PBS:
01526       case WID_BS_ELECTRIC_PBS_OWAY:
01527         this->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01528 
01529         _cur_signal_type = (SignalType)((uint)((widget - WID_BS_SEMAPHORE_NORM) % (SIGTYPE_LAST + 1)));
01530         _cur_signal_variant = widget >= WID_BS_ELECTRIC_NORM ? SIG_ELECTRIC : SIG_SEMAPHORE;
01531 
01532         /* If 'remove' button of rail build toolbar is active, disable it. */
01533         if (_remove_button_clicked) {
01534           Window *w = FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL);
01535           if (w != NULL) ToggleRailButton_Remove(w);
01536         }
01537 
01538         break;
01539 
01540       case WID_BS_CONVERT:
01541         _convert_signal_button = !_convert_signal_button;
01542         break;
01543 
01544       case WID_BS_DRAG_SIGNALS_DENSITY_DECREASE:
01545         if (_settings_client.gui.drag_signals_density > 1) {
01546           _settings_client.gui.drag_signals_density--;
01547           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_SETTINGS);
01548         }
01549         break;
01550 
01551       case WID_BS_DRAG_SIGNALS_DENSITY_INCREASE:
01552         if (_settings_client.gui.drag_signals_density < 20) {
01553           _settings_client.gui.drag_signals_density++;
01554           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_SETTINGS);
01555         }
01556         break;
01557 
01558       default: break;
01559     }
01560 
01561     this->InvalidateData();
01562   }
01563 
01569   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01570   {
01571     if (!gui_scope) return;
01572     this->LowerWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01573 
01574     this->SetWidgetLoweredState(WID_BS_CONVERT, _convert_signal_button);
01575 
01576     this->SetWidgetDisabledState(WID_BS_DRAG_SIGNALS_DENSITY_DECREASE, _settings_client.gui.drag_signals_density == 1);
01577     this->SetWidgetDisabledState(WID_BS_DRAG_SIGNALS_DENSITY_INCREASE, _settings_client.gui.drag_signals_density == 20);
01578   }
01579 };
01580 
01582 static const NWidgetPart _nested_signal_builder_widgets[] = {
01583   NWidget(NWID_HORIZONTAL),
01584     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01585     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_SIGNAL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01586   EndContainer(),
01587   NWidget(NWID_VERTICAL, NC_EQUALSIZE),
01588     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01589       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01590       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01591       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01592       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01593       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01594       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_PBS_OWAY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_OWAY_TOOLTIP), EndContainer(), SetFill(1, 1),
01595       NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_BS_CONVERT), SetDataTip(SPR_IMG_SIGNAL_CONVERT, STR_BUILD_SIGNAL_CONVERT_TOOLTIP), SetFill(1, 1),
01596     EndContainer(),
01597     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01598       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01599       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01600       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01601       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01602       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01603       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_PBS_OWAY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_OWAY_TOOLTIP), EndContainer(), SetFill(1, 1),
01604       NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01605         NWidget(WWT_LABEL, COLOUR_DARK_GREEN, WID_BS_DRAG_SIGNALS_DENSITY_LABEL), SetDataTip(STR_ORANGE_INT, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01606         NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
01607           NWidget(NWID_SPACER), SetFill(1, 0),
01608           NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, WID_BS_DRAG_SIGNALS_DENSITY_DECREASE), SetMinimalSize(9, 12), SetDataTip(AWV_DECREASE, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_DECREASE_TOOLTIP),
01609           NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, WID_BS_DRAG_SIGNALS_DENSITY_INCREASE), SetMinimalSize(9, 12), SetDataTip(AWV_INCREASE, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_INCREASE_TOOLTIP),
01610           NWidget(NWID_SPACER), SetFill(1, 0),
01611         EndContainer(),
01612         NWidget(NWID_SPACER), SetMinimalSize(0, 2), SetFill(1, 0),
01613       EndContainer(),
01614     EndContainer(),
01615   EndContainer(),
01616 };
01617 
01619 static const WindowDesc _signal_builder_desc(
01620   WDP_AUTO, 0, 0,
01621   WC_BUILD_SIGNAL, WC_BUILD_TOOLBAR,
01622   WDF_CONSTRUCTION,
01623   _nested_signal_builder_widgets, lengthof(_nested_signal_builder_widgets)
01624 );
01625 
01629 static void ShowSignalBuilder(Window *parent)
01630 {
01631   new BuildSignalWindow(&_signal_builder_desc, parent);
01632 }
01633 
01634 struct BuildRailDepotWindow : public PickerWindowBase {
01635   BuildRailDepotWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01636   {
01637     this->InitNested(desc, TRANSPORT_RAIL);
01638     this->LowerWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01639   }
01640 
01641   virtual void DrawWidget(const Rect &r, int widget) const
01642   {
01643     if (!IsInsideMM(widget, WID_BRAD_DEPOT_NE, WID_BRAD_DEPOT_NW + 1)) return;
01644 
01645     DrawTrainDepotSprite(r.left - 1, r.top, widget - WID_BRAD_DEPOT_NE + DIAGDIR_NE, _cur_railtype);
01646   }
01647 
01648   virtual void OnClick(Point pt, int widget, int click_count)
01649   {
01650     switch (widget) {
01651       case WID_BRAD_DEPOT_NE:
01652       case WID_BRAD_DEPOT_SE:
01653       case WID_BRAD_DEPOT_SW:
01654       case WID_BRAD_DEPOT_NW:
01655         this->RaiseWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01656         _build_depot_direction = (DiagDirection)(widget - WID_BRAD_DEPOT_NE);
01657         this->LowerWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01658         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01659         this->SetDirty();
01660         break;
01661     }
01662   }
01663 };
01664 
01666 static const NWidgetPart _nested_build_depot_widgets[] = {
01667   NWidget(NWID_HORIZONTAL),
01668     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01669     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_DEPOT_TRAIN_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01670   EndContainer(),
01671   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01672     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01673     NWidget(NWID_HORIZONTAL_LTR),
01674       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01675       NWidget(NWID_VERTICAL),
01676         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01677         EndContainer(),
01678         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01679         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01680         EndContainer(),
01681       EndContainer(),
01682       NWidget(NWID_SPACER), SetMinimalSize(2, 0),
01683       NWidget(NWID_VERTICAL),
01684         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01685         EndContainer(),
01686         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01687         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01688         EndContainer(),
01689       EndContainer(),
01690       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01691     EndContainer(),
01692     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01693   EndContainer(),
01694 };
01695 
01696 static const WindowDesc _build_depot_desc(
01697   WDP_AUTO, 0, 0,
01698   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01699   WDF_CONSTRUCTION,
01700   _nested_build_depot_widgets, lengthof(_nested_build_depot_widgets)
01701 );
01702 
01703 static void ShowBuildTrainDepotPicker(Window *parent)
01704 {
01705   new BuildRailDepotWindow(&_build_depot_desc, parent);
01706 }
01707 
01708 struct BuildRailWaypointWindow : PickerWindowBase {
01709   BuildRailWaypointWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01710   {
01711     this->CreateNestedTree(desc);
01712 
01713     NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX);
01714     matrix->SetScrollbar(this->GetScrollbar(WID_BRW_SCROLL));
01715 
01716     this->FinishInitNested(desc, TRANSPORT_RAIL);
01717 
01718     matrix->SetCount(_waypoint_count);
01719     matrix->SetClicked(_cur_waypoint_type);
01720   }
01721 
01722   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01723   {
01724     switch (widget) {
01725       case WID_BRW_WAYPOINT_MATRIX:
01726         /* Three blobs high and wide. */
01727         size->width  += resize->width  * 2;
01728         size->height += resize->height * 2;
01729 
01730         /* Resizing in X direction only at blob size, but at pixel level in Y. */
01731         resize->height = 1;
01732         break;
01733     }
01734   }
01735 
01736   virtual void DrawWidget(const Rect &r, int widget) const
01737   {
01738     switch (GB(widget, 0, 16)) {
01739       case WID_BRW_WAYPOINT: {
01740         byte type = GB(widget, 16, 16);
01741         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP)->GetSpec(type);
01742         DrawWaypointSprite(r.left + TILE_PIXELS, r.bottom - TILE_PIXELS, type, _cur_railtype);
01743 
01744         if (!IsStationAvailable(statspec)) {
01745           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
01746         }
01747       }
01748     }
01749   }
01750 
01751   virtual void OnClick(Point pt, int widget, int click_count)
01752   {
01753     switch (GB(widget, 0, 16)) {
01754       case WID_BRW_WAYPOINT: {
01755         byte type = GB(widget, 16, 16);
01756         this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01757 
01758         /* Check station availability callback */
01759         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP)->GetSpec(type);
01760         if (!IsStationAvailable(statspec)) return;
01761 
01762         _cur_waypoint_type = type;
01763         this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01764         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01765         this->SetDirty();
01766         break;
01767       }
01768     }
01769   }
01770 };
01771 
01773 static const NWidgetPart _nested_build_waypoint_widgets[] = {
01774   NWidget(NWID_HORIZONTAL),
01775     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01776     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_WAYPOINT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01777   EndContainer(),
01778   NWidget(NWID_HORIZONTAL),
01779     NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, WID_BRW_WAYPOINT_MATRIX), SetPIP(3, 2, 3), SetScrollbar(WID_BRW_SCROLL),
01780       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BRW_WAYPOINT), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), SetScrollbar(WID_BRW_SCROLL), EndContainer(),
01781     EndContainer(),
01782     NWidget(NWID_VERTICAL),
01783       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_BRW_SCROLL),
01784       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01785     EndContainer(),
01786   EndContainer(),
01787 };
01788 
01789 static const WindowDesc _build_waypoint_desc(
01790   WDP_AUTO, 0, 0,
01791   WC_BUILD_WAYPOINT, WC_BUILD_TOOLBAR,
01792   WDF_CONSTRUCTION,
01793   _nested_build_waypoint_widgets, lengthof(_nested_build_waypoint_widgets)
01794 );
01795 
01796 static void ShowBuildWaypointPicker(Window *parent)
01797 {
01798   new BuildRailWaypointWindow(&_build_waypoint_desc, parent);
01799 }
01800 
01804 void InitializeRailGui()
01805 {
01806   _build_depot_direction = DIAGDIR_NW;
01807 }
01808 
01813 void ReinitGuiAfterToggleElrail(bool disable)
01814 {
01815   extern RailType _last_built_railtype;
01816   if (disable && _last_built_railtype == RAILTYPE_ELECTRIC) {
01817     _last_built_railtype = _cur_railtype = RAILTYPE_RAIL;
01818     BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01819     if (w != NULL) w->ModifyRailType(_cur_railtype);
01820   }
01821   MarkWholeScreenDirty();
01822 }
01823 
01825 static void SetDefaultRailGui()
01826 {
01827   if (_local_company == COMPANY_SPECTATOR || !Company::IsValidID(_local_company)) return;
01828 
01829   extern RailType _last_built_railtype;
01830   RailType rt = (RailType)(_settings_client.gui.default_rail_type + RAILTYPE_END);
01831   if (rt == DEF_RAILTYPE_MOST_USED) {
01832     /* Find the most used rail type */
01833     RailType count[RAILTYPE_END];
01834     memset(count, 0, sizeof(count));
01835     for (TileIndex t = 0; t < MapSize(); t++) {
01836       if (IsTileType(t, MP_RAILWAY) || IsLevelCrossingTile(t) || HasStationTileRail(t) ||
01837           (IsTileType(t, MP_TUNNELBRIDGE) && GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL)) {
01838         count[GetRailType(t)]++;
01839       }
01840     }
01841 
01842     rt = RAILTYPE_RAIL;
01843     for (RailType r = RAILTYPE_ELECTRIC; r < RAILTYPE_END; r++) {
01844       if (count[r] >= count[rt]) rt = r;
01845     }
01846 
01847     /* No rail, just get the first available one */
01848     if (count[rt] == 0) rt = DEF_RAILTYPE_FIRST;
01849   }
01850   switch (rt) {
01851     case DEF_RAILTYPE_FIRST:
01852       rt = RAILTYPE_RAIL;
01853       while (rt < RAILTYPE_END && !HasRailtypeAvail(_local_company, rt)) rt++;
01854       break;
01855 
01856     case DEF_RAILTYPE_LAST:
01857       rt = GetBestRailtype(_local_company);
01858       break;
01859 
01860     default:
01861       break;
01862   }
01863 
01864   _last_built_railtype = _cur_railtype = rt;
01865   BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01866   if (w != NULL) w->ModifyRailType(_cur_railtype);
01867 }
01868 
01875 bool ResetSignalVariant(int32 p = 0)
01876 {
01877   SignalVariant new_variant = (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC);
01878 
01879   if (new_variant != _cur_signal_variant) {
01880     Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
01881     if (w != NULL) {
01882       w->SetDirty();
01883       w->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01884     }
01885     _cur_signal_variant = new_variant;
01886   }
01887 
01888   return true;
01889 }
01890 
01895 void InitializeRailGUI()
01896 {
01897   SetDefaultRailGui();
01898 
01899   _convert_signal_button = false;
01900   _cur_signal_type = _default_signal_type[_settings_client.gui.default_signal_type];
01901   ResetSignalVariant();
01902 }
01903 
01910 static bool CompareRailTypes(const DropDownListItem *first, const DropDownListItem *second)
01911 {
01912   return GetRailTypeInfo((RailType)first->result)->sorting_order < GetRailTypeInfo((RailType)second->result)->sorting_order;
01913 }
01914 
01920 DropDownList *GetRailTypeDropDownList(bool for_replacement)
01921 {
01922   RailTypes used_railtypes = RAILTYPES_NONE;
01923 
01924   /* Find the used railtypes. */
01925   Engine *e;
01926   FOR_ALL_ENGINES_OF_TYPE(e, VEH_TRAIN) {
01927     if (!HasBit(e->info.climates, _settings_game.game_creation.landscape)) continue;
01928 
01929     used_railtypes |= GetRailTypeInfo(e->u.rail.railtype)->introduces_railtypes;
01930   }
01931 
01932   /* Get the date introduced railtypes as well. */
01933   used_railtypes = AddDateIntroducedRailTypes(used_railtypes, MAX_DAY);
01934 
01935   const Company *c = Company::Get(_local_company);
01936   DropDownList *list = new DropDownList();
01937   for (RailType rt = RAILTYPE_BEGIN; rt != RAILTYPE_END; rt++) {
01938     /* If it's not used ever, don't show it to the user. */
01939     if (!HasBit(used_railtypes, rt)) continue;
01940 
01941     const RailtypeInfo *rti = GetRailTypeInfo(rt);
01942     /* Skip rail type if it has no label */
01943     if (rti->label == 0) continue;
01944 
01945     StringID str = for_replacement ? rti->strings.replace_text : (rti->max_speed > 0 ? STR_TOOLBAR_RAILTYPE_VELOCITY : STR_JUST_STRING);
01946     DropDownListParamStringItem *item = new DropDownListParamStringItem(str, rt, !HasBit(c->avail_railtypes, rt));
01947     item->SetParam(0, rti->strings.menu_text);
01948     item->SetParam(1, rti->max_speed);
01949     list->push_back(item);
01950   }
01951   list->sort(CompareRailTypes);
01952   return list;
01953 }