rail_gui.cpp

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00001 /* $Id: rail_gui.cpp 26460 2014-04-13 10:47:39Z frosch $ */
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 #include "rail_gui.h"
00037 
00038 #include "station_map.h"
00039 #include "tunnelbridge_map.h"
00040 
00041 #include "widgets/rail_widget.h"
00042 
00043 
00044 static RailType _cur_railtype;               
00045 static bool _remove_button_clicked;          
00046 static DiagDirection _build_depot_direction; 
00047 static byte _waypoint_count = 1;             
00048 static byte _cur_waypoint_type;              
00049 static bool _convert_signal_button;          
00050 static SignalVariant _cur_signal_variant;    
00051 static SignalType _cur_signal_type;          
00052 
00053 /* Map the setting: default_signal_type to the corresponding signal type */
00054 static const SignalType _default_signal_type[] = {SIGTYPE_NORMAL, SIGTYPE_PBS, SIGTYPE_PBS_ONEWAY};
00055 
00056 struct RailStationGUISettings {
00057   Axis orientation;                 
00058 
00059   bool newstations;                 
00060   StationClassID station_class;     
00061   byte station_type;                
00062   byte station_count;               
00063 };
00064 static RailStationGUISettings _railstation; 
00065 
00066 
00067 static void HandleStationPlacement(TileIndex start, TileIndex end);
00068 static void ShowBuildTrainDepotPicker(Window *parent);
00069 static void ShowBuildWaypointPicker(Window *parent);
00070 static void ShowStationBuilder(Window *parent);
00071 static void ShowSignalBuilder(Window *parent);
00072 
00077 static bool IsStationAvailable(const StationSpec *statspec)
00078 {
00079   if (statspec == NULL || !HasBit(statspec->callback_mask, CBM_STATION_AVAIL)) return true;
00080 
00081   uint16 cb_res = GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE);
00082   if (cb_res == CALLBACK_FAILED) return true;
00083 
00084   return Convert8bitBooleanCallback(statspec->grf_prop.grffile, CBID_STATION_AVAILABILITY, cb_res);
00085 }
00086 
00087 void CcPlaySound1E(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00088 {
00089   if (result.Succeeded() && _settings_client.sound.confirm) SndPlayTileFx(SND_20_SPLAT_RAIL, tile);
00090 }
00091 
00092 static void GenericPlaceRail(TileIndex tile, int cmd)
00093 {
00094   DoCommandP(tile, _cur_railtype, cmd,
00095       _remove_button_clicked ?
00096       CMD_REMOVE_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00097       CMD_BUILD_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK),
00098       CcPlaySound1E);
00099 }
00100 
00108 static void PlaceExtraDepotRail(TileIndex tile, DiagDirection dir, Track track)
00109 {
00110   if (GetRailTileType(tile) != RAIL_TILE_NORMAL) return;
00111   if ((GetTrackBits(tile) & DiagdirReachesTracks(dir)) == 0) return;
00112 
00113   DoCommandP(tile, _cur_railtype, track, CMD_BUILD_SINGLE_RAIL);
00114 }
00115 
00117 static const Track _place_depot_extra_track[12] = {
00118   TRACK_LEFT,  TRACK_UPPER, TRACK_UPPER, TRACK_RIGHT, // First additional track for directions 0..3
00119   TRACK_X,     TRACK_Y,     TRACK_X,     TRACK_Y,     // Second additional track
00120   TRACK_LOWER, TRACK_LEFT,  TRACK_RIGHT, TRACK_LOWER, // Third additional track
00121 };
00122 
00124 static const DiagDirection _place_depot_extra_dir[12] = {
00125   DIAGDIR_SE, DIAGDIR_SW, DIAGDIR_SE, DIAGDIR_SW,
00126   DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_SE,
00127   DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_NW, DIAGDIR_NE,
00128 };
00129 
00130 void CcRailDepot(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00131 {
00132   if (result.Failed()) return;
00133 
00134   DiagDirection dir = (DiagDirection)p2;
00135 
00136   if (_settings_client.sound.confirm) SndPlayTileFx(SND_20_SPLAT_RAIL, tile);
00137   if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00138 
00139   tile += TileOffsByDiagDir(dir);
00140 
00141   if (IsTileType(tile, MP_RAILWAY)) {
00142     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir], _place_depot_extra_track[dir]);
00143     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 4], _place_depot_extra_track[dir + 4]);
00144     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 8], _place_depot_extra_track[dir + 8]);
00145   }
00146 }
00147 
00152 static void PlaceRail_Waypoint(TileIndex tile)
00153 {
00154   if (_remove_button_clicked) {
00155     VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_STATION);
00156     return;
00157   }
00158 
00159   Axis axis = GetAxisForNewWaypoint(tile);
00160   if (IsValidAxis(axis)) {
00161     /* Valid tile for waypoints */
00162     VpStartPlaceSizing(tile, axis == AXIS_X ? VPM_FIX_X : VPM_FIX_Y, DDSP_BUILD_STATION);
00163   } else {
00164     /* Tile where we can't build rail waypoints. This is always going to fail,
00165      * but provides the user with a proper error message. */
00166     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));
00167   }
00168 }
00169 
00170 void CcStation(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00171 {
00172   if (result.Failed()) return;
00173 
00174   if (_settings_client.sound.confirm) SndPlayTileFx(SND_20_SPLAT_RAIL, tile);
00175   /* Only close the station builder window if the default station and non persistent building is chosen. */
00176   if (_railstation.station_class == STAT_CLASS_DFLT && _railstation.station_type == 0 && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00177 }
00178 
00183 static void PlaceRail_Station(TileIndex tile)
00184 {
00185   if (_remove_button_clicked) {
00186     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_REMOVE_STATION);
00187     VpSetPlaceSizingLimit(-1);
00188   } else if (_settings_client.gui.station_dragdrop) {
00189     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_BUILD_STATION);
00190     VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00191   } else {
00192     uint32 p1 = _cur_railtype | _railstation.orientation << 4 | _settings_client.gui.station_numtracks << 8 | _settings_client.gui.station_platlength << 16 | _ctrl_pressed << 24;
00193     uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00194 
00195     int w = _settings_client.gui.station_numtracks;
00196     int h = _settings_client.gui.station_platlength;
00197     if (!_railstation.orientation) Swap(w, h);
00198 
00199     CommandContainer cmdcont = { tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00200     ShowSelectStationIfNeeded(cmdcont, TileArea(tile, w, h));
00201   }
00202 }
00203 
00209 static void GenericPlaceSignals(TileIndex tile)
00210 {
00211   TrackBits trackbits = TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_RAIL, 0));
00212 
00213   if (trackbits & TRACK_BIT_VERT) { // N-S direction
00214     trackbits = (_tile_fract_coords.x <= _tile_fract_coords.y) ? TRACK_BIT_RIGHT : TRACK_BIT_LEFT;
00215   }
00216 
00217   if (trackbits & TRACK_BIT_HORZ) { // E-W direction
00218     trackbits = (_tile_fract_coords.x + _tile_fract_coords.y <= 15) ? TRACK_BIT_UPPER : TRACK_BIT_LOWER;
00219   }
00220 
00221   Track track = FindFirstTrack(trackbits);
00222 
00223   if (_remove_button_clicked) {
00224     DoCommandP(tile, track, 0, CMD_REMOVE_SIGNALS | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM), CcPlaySound1E);
00225   } else {
00226     const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00227 
00228     /* Map the setting cycle_signal_types to the lower and upper allowed signal type. */
00229     static const uint cycle_bounds[] = {SIGTYPE_NORMAL | (SIGTYPE_LAST_NOPBS << 3), SIGTYPE_PBS | (SIGTYPE_LAST << 3), SIGTYPE_NORMAL | (SIGTYPE_LAST << 3)};
00230 
00231     /* various bitstuffed elements for CmdBuildSingleSignal() */
00232     uint32 p1 = track;
00233 
00234     if (w != NULL) {
00235       /* signal GUI is used */
00236       SB(p1, 3, 1, _ctrl_pressed);
00237       SB(p1, 4, 1, _cur_signal_variant);
00238       SB(p1, 5, 3, _cur_signal_type);
00239       SB(p1, 8, 1, _convert_signal_button);
00240       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00241     } else {
00242       SB(p1, 3, 1, _ctrl_pressed);
00243       SB(p1, 4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00244       SB(p1, 5, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00245       SB(p1, 8, 1, 0);
00246       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00247     }
00248 
00249     DoCommandP(tile, p1, 0, CMD_BUILD_SIGNALS |
00250         CMD_MSG((w != NULL && _convert_signal_button) ? STR_ERROR_SIGNAL_CAN_T_CONVERT_SIGNALS_HERE : STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00251         CcPlaySound1E);
00252   }
00253 }
00254 
00260 static void PlaceRail_Bridge(TileIndex tile, Window *w)
00261 {
00262   if (IsBridgeTile(tile)) {
00263     TileIndex other_tile = GetOtherTunnelBridgeEnd(tile);
00264     Point pt = {0, 0};
00265     w->OnPlaceMouseUp(VPM_X_OR_Y, DDSP_BUILD_BRIDGE, pt, other_tile, tile);
00266   } else {
00267     VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_BUILD_BRIDGE);
00268   }
00269 }
00270 
00272 void CcBuildRailTunnel(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00273 {
00274   if (result.Succeeded()) {
00275     if (_settings_client.sound.confirm) SndPlayTileFx(SND_20_SPLAT_RAIL, tile);
00276     if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00277   } else {
00278     SetRedErrorSquare(_build_tunnel_endtile);
00279   }
00280 }
00281 
00286 static void ToggleRailButton_Remove(Window *w)
00287 {
00288   DeleteWindowById(WC_SELECT_STATION, 0);
00289   w->ToggleWidgetLoweredState(WID_RAT_REMOVE);
00290   w->SetWidgetDirty(WID_RAT_REMOVE);
00291   _remove_button_clicked = w->IsWidgetLowered(WID_RAT_REMOVE);
00292   SetSelectionRed(_remove_button_clicked);
00293 }
00294 
00300 static bool RailToolbar_CtrlChanged(Window *w)
00301 {
00302   if (w->IsWidgetDisabled(WID_RAT_REMOVE)) return false;
00303 
00304   /* allow ctrl to switch remove mode only for these widgets */
00305   for (uint i = WID_RAT_BUILD_NS; i <= WID_RAT_BUILD_STATION; i++) {
00306     if ((i <= WID_RAT_AUTORAIL || i >= WID_RAT_BUILD_WAYPOINT) && w->IsWidgetLowered(i)) {
00307       ToggleRailButton_Remove(w);
00308       return true;
00309     }
00310   }
00311 
00312   return false;
00313 }
00314 
00315 
00321 static void BuildRailClick_Remove(Window *w)
00322 {
00323   if (w->IsWidgetDisabled(WID_RAT_REMOVE)) return;
00324   ToggleRailButton_Remove(w);
00325   if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
00326 
00327   /* handle station builder */
00328   if (w->IsWidgetLowered(WID_RAT_BUILD_STATION)) {
00329     if (_remove_button_clicked) {
00330       /* starting drag & drop remove */
00331       if (!_settings_client.gui.station_dragdrop) {
00332         SetTileSelectSize(1, 1);
00333       } else {
00334         VpSetPlaceSizingLimit(-1);
00335       }
00336     } else {
00337       /* starting station build mode */
00338       if (!_settings_client.gui.station_dragdrop) {
00339         int x = _settings_client.gui.station_numtracks;
00340         int y = _settings_client.gui.station_platlength;
00341         if (_railstation.orientation == 0) Swap(x, y);
00342         SetTileSelectSize(x, y);
00343       } else {
00344         VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00345       }
00346     }
00347   }
00348 }
00349 
00350 static void DoRailroadTrack(int mode)
00351 {
00352   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), _cur_railtype | (mode << 4),
00353       _remove_button_clicked ?
00354       CMD_REMOVE_RAILROAD_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00355       CMD_BUILD_RAILROAD_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK),
00356       CcPlaySound1E);
00357 }
00358 
00359 static void HandleAutodirPlacement()
00360 {
00361   int trackstat = _thd.drawstyle & HT_DIR_MASK; // 0..5
00362 
00363   if (_thd.drawstyle & HT_RAIL) { // one tile case
00364     GenericPlaceRail(TileVirtXY(_thd.selend.x, _thd.selend.y), trackstat);
00365     return;
00366   }
00367 
00368   DoRailroadTrack(trackstat);
00369 }
00370 
00377 static void HandleAutoSignalPlacement()
00378 {
00379   uint32 p2 = GB(_thd.drawstyle, 0, 3); // 0..5
00380 
00381   if ((_thd.drawstyle & HT_DRAG_MASK) == HT_RECT) { // one tile case
00382     GenericPlaceSignals(TileVirtXY(_thd.selend.x, _thd.selend.y));
00383     return;
00384   }
00385 
00386   const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00387 
00388   if (w != NULL) {
00389     /* signal GUI is used */
00390     SB(p2,  3, 1, 0);
00391     SB(p2,  4, 1, _cur_signal_variant);
00392     SB(p2,  6, 1, _ctrl_pressed);
00393     SB(p2,  7, 3, _cur_signal_type);
00394     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00395     SB(p2, 10, 1, !_settings_client.gui.drag_signals_fixed_distance);
00396   } else {
00397     SB(p2,  3, 1, 0);
00398     SB(p2,  4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00399     SB(p2,  6, 1, _ctrl_pressed);
00400     SB(p2,  7, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00401     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00402     SB(p2, 10, 1, !_settings_client.gui.drag_signals_fixed_distance);
00403   }
00404 
00405   /* _settings_client.gui.drag_signals_density is given as a parameter such that each user
00406    * in a network game can specify his/her own signal density */
00407   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), p2,
00408       _remove_button_clicked ?
00409       CMD_REMOVE_SIGNAL_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM) :
00410       CMD_BUILD_SIGNAL_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00411       CcPlaySound1E);
00412 }
00413 
00414 
00416 struct BuildRailToolbarWindow : Window {
00417   RailType railtype;    
00418   int last_user_action; 
00419 
00420   BuildRailToolbarWindow(WindowDesc *desc, RailType railtype) : Window(desc)
00421   {
00422     this->InitNested(TRANSPORT_RAIL);
00423     this->SetupRailToolbar(railtype);
00424     this->DisableWidget(WID_RAT_REMOVE);
00425     this->last_user_action = WIDGET_LIST_END;
00426 
00427     if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
00428   }
00429 
00430   ~BuildRailToolbarWindow()
00431   {
00432     if (_settings_client.gui.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0, false);
00433   }
00434 
00439   void SetupRailToolbar(RailType railtype)
00440   {
00441     this->railtype = railtype;
00442     const RailtypeInfo *rti = GetRailTypeInfo(railtype);
00443 
00444     assert(railtype < RAILTYPE_END);
00445     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_NS)->widget_data     = rti->gui_sprites.build_ns_rail;
00446     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_X)->widget_data      = rti->gui_sprites.build_x_rail;
00447     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_EW)->widget_data     = rti->gui_sprites.build_ew_rail;
00448     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_Y)->widget_data      = rti->gui_sprites.build_y_rail;
00449     this->GetWidget<NWidgetCore>(WID_RAT_AUTORAIL)->widget_data     = rti->gui_sprites.auto_rail;
00450     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_DEPOT)->widget_data  = rti->gui_sprites.build_depot;
00451     this->GetWidget<NWidgetCore>(WID_RAT_CONVERT_RAIL)->widget_data = rti->gui_sprites.convert_rail;
00452     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_TUNNEL)->widget_data = rti->gui_sprites.build_tunnel;
00453   }
00454 
00459   void ModifyRailType(RailType railtype)
00460   {
00461     this->SetupRailToolbar(railtype);
00462     this->ReInit();
00463   }
00464 
00465   void UpdateRemoveWidgetStatus(int clicked_widget)
00466   {
00467     switch (clicked_widget) {
00468       case WID_RAT_REMOVE:
00469         /* If it is the removal button that has been clicked, do nothing,
00470          * as it is up to the other buttons to drive removal status */
00471         return;
00472 
00473       case WID_RAT_BUILD_NS:
00474       case WID_RAT_BUILD_X:
00475       case WID_RAT_BUILD_EW:
00476       case WID_RAT_BUILD_Y:
00477       case WID_RAT_AUTORAIL:
00478       case WID_RAT_BUILD_WAYPOINT:
00479       case WID_RAT_BUILD_STATION:
00480       case WID_RAT_BUILD_SIGNALS:
00481         /* Removal button is enabled only if the rail/signal/waypoint/station
00482          * button is still lowered.  Once raised, it has to be disabled */
00483         this->SetWidgetDisabledState(WID_RAT_REMOVE, !this->IsWidgetLowered(clicked_widget));
00484         break;
00485 
00486       default:
00487         /* When any other buttons than rail/signal/waypoint/station, raise and
00488          * disable the removal button */
00489         this->DisableWidget(WID_RAT_REMOVE);
00490         this->RaiseWidget(WID_RAT_REMOVE);
00491         break;
00492     }
00493   }
00494 
00495   virtual void SetStringParameters(int widget) const
00496   {
00497     if (widget == WID_RAT_CAPTION) {
00498       const RailtypeInfo *rti = GetRailTypeInfo(this->railtype);
00499       if (rti->max_speed > 0) {
00500         SetDParam(0, STR_TOOLBAR_RAILTYPE_VELOCITY);
00501         SetDParam(1, rti->strings.toolbar_caption);
00502         SetDParam(2, rti->max_speed);
00503       } else {
00504         SetDParam(0, rti->strings.toolbar_caption);
00505       }
00506     }
00507   }
00508 
00509   virtual void OnClick(Point pt, int widget, int click_count)
00510   {
00511     if (widget < WID_RAT_BUILD_NS) return;
00512 
00513     _remove_button_clicked = false;
00514     switch (widget) {
00515       case WID_RAT_BUILD_NS:
00516         HandlePlacePushButton(this, WID_RAT_BUILD_NS, GetRailTypeInfo(_cur_railtype)->cursor.rail_ns, HT_LINE | HT_DIR_VL);
00517         this->last_user_action = widget;
00518         break;
00519 
00520       case WID_RAT_BUILD_X:
00521         HandlePlacePushButton(this, WID_RAT_BUILD_X, GetRailTypeInfo(_cur_railtype)->cursor.rail_swne, HT_LINE | HT_DIR_X);
00522         this->last_user_action = widget;
00523         break;
00524 
00525       case WID_RAT_BUILD_EW:
00526         HandlePlacePushButton(this, WID_RAT_BUILD_EW, GetRailTypeInfo(_cur_railtype)->cursor.rail_ew, HT_LINE | HT_DIR_HL);
00527         this->last_user_action = widget;
00528         break;
00529 
00530       case WID_RAT_BUILD_Y:
00531         HandlePlacePushButton(this, WID_RAT_BUILD_Y, GetRailTypeInfo(_cur_railtype)->cursor.rail_nwse, HT_LINE | HT_DIR_Y);
00532         this->last_user_action = widget;
00533         break;
00534 
00535       case WID_RAT_AUTORAIL:
00536         HandlePlacePushButton(this, WID_RAT_AUTORAIL, GetRailTypeInfo(_cur_railtype)->cursor.autorail, HT_RAIL);
00537         this->last_user_action = widget;
00538         break;
00539 
00540       case WID_RAT_DEMOLISH:
00541         HandlePlacePushButton(this, WID_RAT_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
00542         this->last_user_action = widget;
00543         break;
00544 
00545       case WID_RAT_BUILD_DEPOT:
00546         if (HandlePlacePushButton(this, WID_RAT_BUILD_DEPOT, GetRailTypeInfo(_cur_railtype)->cursor.depot, HT_RECT)) {
00547           ShowBuildTrainDepotPicker(this);
00548           this->last_user_action = widget;
00549         }
00550         break;
00551 
00552       case WID_RAT_BUILD_WAYPOINT:
00553         this->last_user_action = widget;
00554         _waypoint_count = StationClass::Get(STAT_CLASS_WAYP)->GetSpecCount();
00555         if (HandlePlacePushButton(this, WID_RAT_BUILD_WAYPOINT, SPR_CURSOR_WAYPOINT, HT_RECT) && _waypoint_count > 1) {
00556           ShowBuildWaypointPicker(this);
00557         }
00558         break;
00559 
00560       case WID_RAT_BUILD_STATION:
00561         if (HandlePlacePushButton(this, WID_RAT_BUILD_STATION, SPR_CURSOR_RAIL_STATION, HT_RECT)) {
00562           ShowStationBuilder(this);
00563           this->last_user_action = widget;
00564         }
00565         break;
00566 
00567       case WID_RAT_BUILD_SIGNALS: {
00568         this->last_user_action = widget;
00569         bool started = HandlePlacePushButton(this, WID_RAT_BUILD_SIGNALS, ANIMCURSOR_BUILDSIGNALS, HT_RECT);
00570         if (started && _settings_client.gui.enable_signal_gui != _ctrl_pressed) {
00571           ShowSignalBuilder(this);
00572         }
00573         break;
00574       }
00575 
00576       case WID_RAT_BUILD_BRIDGE:
00577         HandlePlacePushButton(this, WID_RAT_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT);
00578         this->last_user_action = widget;
00579         break;
00580 
00581       case WID_RAT_BUILD_TUNNEL:
00582         HandlePlacePushButton(this, WID_RAT_BUILD_TUNNEL, GetRailTypeInfo(_cur_railtype)->cursor.tunnel, HT_SPECIAL);
00583         this->last_user_action = widget;
00584         break;
00585 
00586       case WID_RAT_REMOVE:
00587         BuildRailClick_Remove(this);
00588         break;
00589 
00590       case WID_RAT_CONVERT_RAIL:
00591         HandlePlacePushButton(this, WID_RAT_CONVERT_RAIL, GetRailTypeInfo(_cur_railtype)->cursor.convert, HT_RECT | HT_DIAGONAL);
00592         this->last_user_action = widget;
00593         break;
00594 
00595       default: NOT_REACHED();
00596     }
00597     this->UpdateRemoveWidgetStatus(widget);
00598     if (_ctrl_pressed) RailToolbar_CtrlChanged(this);
00599   }
00600 
00601   virtual EventState OnHotkey(int hotkey)
00602   {
00603     MarkTileDirtyByTile(TileVirtXY(_thd.pos.x, _thd.pos.y)); // redraw tile selection
00604     return Window::OnHotkey(hotkey);
00605   }
00606 
00607   virtual void OnPlaceObject(Point pt, TileIndex tile)
00608   {
00609     switch (this->last_user_action) {
00610       case WID_RAT_BUILD_NS:
00611         VpStartPlaceSizing(tile, VPM_FIX_VERTICAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00612         break;
00613 
00614       case WID_RAT_BUILD_X:
00615         VpStartPlaceSizing(tile, VPM_FIX_Y | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00616         break;
00617 
00618       case WID_RAT_BUILD_EW:
00619         VpStartPlaceSizing(tile, VPM_FIX_HORIZONTAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00620         break;
00621 
00622       case WID_RAT_BUILD_Y:
00623         VpStartPlaceSizing(tile, VPM_FIX_X | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00624         break;
00625 
00626       case WID_RAT_AUTORAIL:
00627         VpStartPlaceSizing(tile, VPM_RAILDIRS, DDSP_PLACE_RAIL);
00628         break;
00629 
00630       case WID_RAT_DEMOLISH:
00631         PlaceProc_DemolishArea(tile);
00632         break;
00633 
00634       case WID_RAT_BUILD_DEPOT:
00635         DoCommandP(tile, _cur_railtype, _build_depot_direction,
00636             CMD_BUILD_TRAIN_DEPOT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_DEPOT),
00637             CcRailDepot);
00638         break;
00639 
00640       case WID_RAT_BUILD_WAYPOINT:
00641         PlaceRail_Waypoint(tile);
00642         break;
00643 
00644       case WID_RAT_BUILD_STATION:
00645         PlaceRail_Station(tile);
00646         break;
00647 
00648       case WID_RAT_BUILD_SIGNALS:
00649         VpStartPlaceSizing(tile, VPM_SIGNALDIRS, DDSP_BUILD_SIGNALS);
00650         break;
00651 
00652       case WID_RAT_BUILD_BRIDGE:
00653         PlaceRail_Bridge(tile, this);
00654         break;
00655 
00656       case WID_RAT_BUILD_TUNNEL:
00657         DoCommandP(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, CMD_BUILD_TUNNEL | CMD_MSG(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE), CcBuildRailTunnel);
00658         break;
00659 
00660       case WID_RAT_CONVERT_RAIL:
00661         VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CONVERT_RAIL);
00662         break;
00663 
00664       default: NOT_REACHED();
00665     }
00666   }
00667 
00668   virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
00669   {
00670     /* no dragging if you have pressed the convert button */
00671     if (FindWindowById(WC_BUILD_SIGNAL, 0) != NULL && _convert_signal_button && this->IsWidgetLowered(WID_RAT_BUILD_SIGNALS)) return;
00672 
00673     VpSelectTilesWithMethod(pt.x, pt.y, select_method);
00674   }
00675 
00676   virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile)
00677   {
00678     if (pt.x != -1) {
00679       switch (select_proc) {
00680         default: NOT_REACHED();
00681         case DDSP_BUILD_BRIDGE:
00682           if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00683           ShowBuildBridgeWindow(start_tile, end_tile, TRANSPORT_RAIL, _cur_railtype);
00684           break;
00685 
00686         case DDSP_PLACE_RAIL:
00687           HandleAutodirPlacement();
00688           break;
00689 
00690         case DDSP_BUILD_SIGNALS:
00691           HandleAutoSignalPlacement();
00692           break;
00693 
00694         case DDSP_DEMOLISH_AREA:
00695           GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
00696           break;
00697 
00698         case DDSP_CONVERT_RAIL:
00699           DoCommandP(end_tile, start_tile, _cur_railtype | (_ctrl_pressed ? 0x10 : 0), CMD_CONVERT_RAIL | CMD_MSG(STR_ERROR_CAN_T_CONVERT_RAIL), CcPlaySound10);
00700           break;
00701 
00702         case DDSP_REMOVE_STATION:
00703         case DDSP_BUILD_STATION:
00704           if (this->IsWidgetLowered(WID_RAT_BUILD_STATION)) {
00705             /* Station */
00706             if (_remove_button_clicked) {
00707               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);
00708             } else {
00709               HandleStationPlacement(start_tile, end_tile);
00710             }
00711           } else {
00712             /* Waypoint */
00713             if (_remove_button_clicked) {
00714               DoCommandP(end_tile, start_tile, _ctrl_pressed ? 0 : 1, CMD_REMOVE_FROM_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_REMOVE_TRAIN_WAYPOINT), CcPlaySound1E);
00715             } else {
00716               TileArea ta(start_tile, end_tile);
00717               uint32 p1 = _cur_railtype | (select_method == VPM_FIX_X ? AXIS_X : AXIS_Y) << 4 | ta.w << 8 | ta.h << 16 | _ctrl_pressed << 24;
00718               uint32 p2 = STAT_CLASS_WAYP | _cur_waypoint_type << 8 | INVALID_STATION << 16;
00719 
00720               CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_WAYPOINT), CcPlaySound1E, "" };
00721               ShowSelectWaypointIfNeeded(cmdcont, ta);
00722             }
00723           }
00724           break;
00725       }
00726     }
00727   }
00728 
00729   virtual void OnPlaceObjectAbort()
00730   {
00731     this->RaiseButtons();
00732     this->DisableWidget(WID_RAT_REMOVE);
00733     this->SetWidgetDirty(WID_RAT_REMOVE);
00734 
00735     DeleteWindowById(WC_BUILD_SIGNAL, TRANSPORT_RAIL);
00736     DeleteWindowById(WC_BUILD_STATION, TRANSPORT_RAIL);
00737     DeleteWindowById(WC_BUILD_DEPOT, TRANSPORT_RAIL);
00738     DeleteWindowById(WC_BUILD_WAYPOINT, TRANSPORT_RAIL);
00739     DeleteWindowById(WC_SELECT_STATION, 0);
00740     DeleteWindowByClass(WC_BUILD_BRIDGE);
00741   }
00742 
00743   virtual void OnPlacePresize(Point pt, TileIndex tile)
00744   {
00745     DoCommand(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, DC_AUTO, CMD_BUILD_TUNNEL);
00746     VpSetPresizeRange(tile, _build_tunnel_endtile == 0 ? tile : _build_tunnel_endtile);
00747   }
00748 
00749   virtual EventState OnCTRLStateChange()
00750   {
00751     /* do not toggle Remove button by Ctrl when placing station */
00752     if (!this->IsWidgetLowered(WID_RAT_BUILD_STATION) && !this->IsWidgetLowered(WID_RAT_BUILD_WAYPOINT) && RailToolbar_CtrlChanged(this)) return ES_HANDLED;
00753     return ES_NOT_HANDLED;
00754   }
00755 
00756   static HotkeyList hotkeys;
00757 };
00758 
00764 static EventState RailToolbarGlobalHotkeys(int hotkey)
00765 {
00766   if (_game_mode != GM_NORMAL || !CanBuildVehicleInfrastructure(VEH_TRAIN)) return ES_NOT_HANDLED;
00767   extern RailType _last_built_railtype;
00768   Window *w = ShowBuildRailToolbar(_last_built_railtype);
00769   if (w == NULL) return ES_NOT_HANDLED;
00770   return w->OnHotkey(hotkey);
00771 }
00772 
00773 const uint16 _railtoolbar_autorail_keys[] = {'5', 'A' | WKC_GLOBAL_HOTKEY, 0};
00774 
00775 static Hotkey railtoolbar_hotkeys[] = {
00776   Hotkey('1', "build_ns", WID_RAT_BUILD_NS),
00777   Hotkey('2', "build_x", WID_RAT_BUILD_X),
00778   Hotkey('3', "build_ew", WID_RAT_BUILD_EW),
00779   Hotkey('4', "build_y", WID_RAT_BUILD_Y),
00780   Hotkey(_railtoolbar_autorail_keys, "autorail", WID_RAT_AUTORAIL),
00781   Hotkey('6', "demolish", WID_RAT_DEMOLISH),
00782   Hotkey('7', "depot", WID_RAT_BUILD_DEPOT),
00783   Hotkey('8', "waypoint", WID_RAT_BUILD_WAYPOINT),
00784   Hotkey('9', "station", WID_RAT_BUILD_STATION),
00785   Hotkey('S', "signal", WID_RAT_BUILD_SIGNALS),
00786   Hotkey('B', "bridge", WID_RAT_BUILD_BRIDGE),
00787   Hotkey('T', "tunnel", WID_RAT_BUILD_TUNNEL),
00788   Hotkey('R', "remove", WID_RAT_REMOVE),
00789   Hotkey('C', "convert", WID_RAT_CONVERT_RAIL),
00790   HOTKEY_LIST_END
00791 };
00792 HotkeyList BuildRailToolbarWindow::hotkeys("railtoolbar", railtoolbar_hotkeys, RailToolbarGlobalHotkeys);
00793 
00794 static const NWidgetPart _nested_build_rail_widgets[] = {
00795   NWidget(NWID_HORIZONTAL),
00796     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00797     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_RAT_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00798     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00799   EndContainer(),
00800   NWidget(NWID_HORIZONTAL),
00801     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_NS),
00802             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00803     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_X),
00804             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00805     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_EW),
00806             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_EW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00807     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_Y),
00808             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00809     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_AUTORAIL),
00810             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTORAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_AUTORAIL),
00811 
00812     NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetMinimalSize(4, 22), SetDataTip(0x0, STR_NULL), EndContainer(),
00813 
00814     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_DEMOLISH),
00815             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
00816     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_DEPOT),
00817             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DEPOT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_TRAIN_DEPOT_FOR_BUILDING),
00818     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_WAYPOINT),
00819             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_WAYPOINT, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL_TO_WAYPOINT),
00820     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_STATION),
00821             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_RAIL_STATION, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_STATION),
00822     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_SIGNALS),
00823             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_SIGNALS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_SIGNALS),
00824     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_BRIDGE),
00825             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_BRIDGE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_BRIDGE),
00826     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_TUNNEL),
00827             SetFill(0, 1), SetMinimalSize(20, 22), SetDataTip(SPR_IMG_TUNNEL_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TUNNEL),
00828     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_REMOVE),
00829             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_RAIL_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR),
00830     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_CONVERT_RAIL),
00831             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL),
00832   EndContainer(),
00833 };
00834 
00835 static WindowDesc _build_rail_desc(
00836   WDP_ALIGN_TOOLBAR, "toolbar_rail", 0, 0,
00837   WC_BUILD_TOOLBAR, WC_NONE,
00838   WDF_CONSTRUCTION,
00839   _nested_build_rail_widgets, lengthof(_nested_build_rail_widgets),
00840   &BuildRailToolbarWindow::hotkeys
00841 );
00842 
00843 
00852 Window *ShowBuildRailToolbar(RailType railtype)
00853 {
00854   if (!Company::IsValidID(_local_company)) return NULL;
00855   if (!ValParamRailtype(railtype)) return NULL;
00856 
00857   DeleteWindowByClass(WC_BUILD_TOOLBAR);
00858   _cur_railtype = railtype;
00859   _remove_button_clicked = false;
00860   return new BuildRailToolbarWindow(&_build_rail_desc, railtype);
00861 }
00862 
00863 /* TODO: For custom stations, respect their allowed platforms/lengths bitmasks!
00864  * --pasky */
00865 
00866 static void HandleStationPlacement(TileIndex start, TileIndex end)
00867 {
00868   TileArea ta(start, end);
00869   uint numtracks = ta.w;
00870   uint platlength = ta.h;
00871 
00872   if (_railstation.orientation == AXIS_X) Swap(numtracks, platlength);
00873 
00874   uint32 p1 = _cur_railtype | _railstation.orientation << 4 | numtracks << 8 | platlength << 16 | _ctrl_pressed << 24;
00875   uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00876 
00877   CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00878   ShowSelectStationIfNeeded(cmdcont, ta);
00879 }
00880 
00881 struct BuildRailStationWindow : public PickerWindowBase {
00882 private:
00883   uint line_height;     
00884   uint coverage_height; 
00885   Scrollbar *vscroll;   
00886   Scrollbar *vscroll2;  
00887 
00893   void CheckSelectedSize(const StationSpec *statspec)
00894   {
00895     if (statspec == NULL || _settings_client.gui.station_dragdrop) return;
00896 
00897     /* If current number of tracks is not allowed, make it as big as possible */
00898     if (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00899       this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00900       _settings_client.gui.station_numtracks = 1;
00901       if (statspec->disallowed_platforms != UINT8_MAX) {
00902         while (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00903           _settings_client.gui.station_numtracks++;
00904         }
00905         this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00906       }
00907     }
00908 
00909     if (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00910       this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00911       _settings_client.gui.station_platlength = 1;
00912       if (statspec->disallowed_lengths != UINT8_MAX) {
00913         while (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00914           _settings_client.gui.station_platlength++;
00915         }
00916         this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00917       }
00918     }
00919   }
00920 
00921 public:
00922   BuildRailStationWindow(WindowDesc *desc, Window *parent, bool newstation) : PickerWindowBase(desc, parent)
00923   {
00924     this->coverage_height = 2 * FONT_HEIGHT_NORMAL + 3 * WD_PAR_VSEP_NORMAL;
00925     this->vscroll = NULL;
00926     _railstation.newstations = newstation;
00927 
00928     this->CreateNestedTree();
00929     NWidgetStacked *newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_ADDITIONS);
00930     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00931     newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_MATRIX);
00932     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00933     newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_DEFSIZE);
00934     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00935     newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_RESIZE);
00936     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00937     if (newstation) {
00938       this->vscroll = this->GetScrollbar(WID_BRAS_NEWST_SCROLL);
00939       this->vscroll2 = this->GetScrollbar(WID_BRAS_MATRIX_SCROLL);
00940     }
00941     this->FinishInitNested(TRANSPORT_RAIL);
00942 
00943     this->LowerWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
00944     if (_settings_client.gui.station_dragdrop) {
00945       this->LowerWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
00946     } else {
00947       this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00948       this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00949     }
00950     this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
00951     this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
00952 
00953     if (!newstation || _railstation.station_class >= (int)StationClass::GetClassCount()) {
00954       /* New stations are not available or changed, so ensure the default station
00955        * type is 'selected'. */
00956       _railstation.station_class = STAT_CLASS_DFLT;
00957       _railstation.station_type = 0;
00958       this->vscroll2 = NULL;
00959     }
00960     if (newstation) {
00961       _railstation.station_count = StationClass::Get(_railstation.station_class)->GetSpecCount();
00962       _railstation.station_type = min(_railstation.station_type, _railstation.station_count - 1);
00963 
00964       int count = 0;
00965       for (uint i = 0; i < StationClass::GetClassCount(); i++) {
00966         if (i == STAT_CLASS_WAYP) continue;
00967         count++;
00968       }
00969       this->vscroll->SetCount(count);
00970       this->vscroll->SetPosition(Clamp(_railstation.station_class - 2, 0, max(this->vscroll->GetCount() - this->vscroll->GetCapacity(), 0)));
00971 
00972       NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX);
00973       matrix->SetScrollbar(this->vscroll2);
00974       matrix->SetCount(_railstation.station_count);
00975       matrix->SetClicked(_railstation.station_type);
00976     }
00977   }
00978 
00979   virtual ~BuildRailStationWindow()
00980   {
00981     DeleteWindowById(WC_SELECT_STATION, 0);
00982   }
00983 
00984   virtual void OnPaint()
00985   {
00986     bool newstations = _railstation.newstations;
00987     const StationSpec *statspec = newstations ? StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type) : NULL;
00988 
00989     if (_settings_client.gui.station_dragdrop) {
00990       SetTileSelectSize(1, 1);
00991     } else {
00992       int x = _settings_client.gui.station_numtracks;
00993       int y = _settings_client.gui.station_platlength;
00994       if (_railstation.orientation == AXIS_X) Swap(x, y);
00995       if (!_remove_button_clicked) {
00996         SetTileSelectSize(x, y);
00997       }
00998     }
00999 
01000     int rad = (_settings_game.station.modified_catchment) ? CA_TRAIN : CA_UNMODIFIED;
01001 
01002     if (_settings_client.gui.station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
01003 
01004     for (uint bits = 0; bits < 7; bits++) {
01005       bool disable = bits >= _settings_game.station.station_spread;
01006       if (statspec == NULL) {
01007         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_NUM_1, disable);
01008         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_LEN_1, disable);
01009       } else {
01010         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_NUM_1, HasBit(statspec->disallowed_platforms, bits) || disable);
01011         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_LEN_1, HasBit(statspec->disallowed_lengths,   bits) || disable);
01012       }
01013     }
01014 
01015     this->DrawWidgets();
01016 
01017     /* 'Accepts' and 'Supplies' texts. */
01018     NWidgetBase *cov = this->GetWidget<NWidgetBase>(WID_BRAS_COVERAGE_TEXTS);
01019     int top = cov->pos_y + WD_PAR_VSEP_NORMAL;
01020     int left = cov->pos_x + WD_FRAMERECT_LEFT;
01021     int right = cov->pos_x + cov->current_x - WD_FRAMERECT_RIGHT;
01022     int bottom = cov->pos_y + cov->current_y;
01023     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, false) + WD_PAR_VSEP_NORMAL;
01024     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, true) + WD_PAR_VSEP_NORMAL;
01025     /* Resize background if the window is too small.
01026      * Never make the window smaller to avoid oscillating if the size change affects the acceptance.
01027      * (This is the case, if making the window bigger moves the mouse into the window.) */
01028     if (top > bottom) {
01029       this->coverage_height += top - bottom;
01030       this->ReInit();
01031     }
01032   }
01033 
01034   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01035   {
01036     switch (widget) {
01037       case WID_BRAS_NEWST_LIST: {
01038         Dimension d = {0, 0};
01039         for (uint i = 0; i < StationClass::GetClassCount(); i++) {
01040           if (i == STAT_CLASS_WAYP) continue;
01041           SetDParam(0, StationClass::Get((StationClassID)i)->name);
01042           d = maxdim(d, GetStringBoundingBox(STR_BLACK_STRING));
01043         }
01044         size->width = max(size->width, d.width + padding.width);
01045         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
01046         size->height = 5 * this->line_height;
01047         resize->height = this->line_height;
01048         break;
01049       }
01050 
01051       case WID_BRAS_SHOW_NEWST_TYPE: {
01052         if (!_railstation.newstations) {
01053           size->width = 0;
01054           size->height = 0;
01055           break;
01056         }
01057 
01058         /* If newstations exist, compute the non-zero minimal size. */
01059         Dimension d = {0, 0};
01060         StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
01061         for (StationClassID statclass = STAT_CLASS_BEGIN; statclass < (StationClassID)StationClass::GetClassCount(); statclass++) {
01062           if (statclass == STAT_CLASS_WAYP) continue;
01063           StationClass *stclass = StationClass::Get(statclass);
01064           for (uint16 j = 0; j < stclass->GetSpecCount(); j++) {
01065             const StationSpec *statspec = stclass->GetSpec(j);
01066             SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01067             d = maxdim(d, GetStringBoundingBox(str));
01068           }
01069         }
01070         size->width = max(size->width, d.width + padding.width);
01071         break;
01072       }
01073 
01074       case WID_BRAS_COVERAGE_TEXTS:
01075         size->height = this->coverage_height;
01076         break;
01077 
01078       case WID_BRAS_MATRIX:
01079         fill->height = 1;
01080         resize->height = 1;
01081         break;
01082     }
01083   }
01084 
01085   virtual void DrawWidget(const Rect &r, int widget) const
01086   {
01087     DrawPixelInfo tmp_dpi;
01088 
01089     switch (GB(widget, 0, 16)) {
01090       case WID_BRAS_PLATFORM_DIR_X:
01091         /* Set up a clipping area for the '/' station preview */
01092         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01093           DrawPixelInfo *old_dpi = _cur_dpi;
01094           _cur_dpi = &tmp_dpi;
01095           if (!DrawStationTile(32, 28, _cur_railtype, AXIS_X, _railstation.station_class, _railstation.station_type)) {
01096             StationPickerDrawSprite(32, 28, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2);
01097           }
01098           _cur_dpi = old_dpi;
01099         }
01100         break;
01101 
01102       case WID_BRAS_PLATFORM_DIR_Y:
01103         /* Set up a clipping area for the '\' station preview */
01104         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01105           DrawPixelInfo *old_dpi = _cur_dpi;
01106           _cur_dpi = &tmp_dpi;
01107           if (!DrawStationTile(32, 28, _cur_railtype, AXIS_Y, _railstation.station_class, _railstation.station_type)) {
01108             StationPickerDrawSprite(32, 28, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 3);
01109           }
01110           _cur_dpi = old_dpi;
01111         }
01112         break;
01113 
01114       case WID_BRAS_NEWST_LIST: {
01115         uint statclass = 0;
01116         uint row = 0;
01117         for (uint i = 0; i < StationClass::GetClassCount(); i++) {
01118           if (i == STAT_CLASS_WAYP) continue;
01119           if (this->vscroll->IsVisible(statclass)) {
01120             SetDParam(0, StationClass::Get((StationClassID)i)->name);
01121             DrawString(r.left + WD_MATRIX_LEFT, r.right - WD_MATRIX_RIGHT, row * this->line_height + r.top + WD_MATRIX_TOP, STR_JUST_STRING,
01122                 (StationClassID)i == _railstation.station_class ? TC_WHITE : TC_BLACK);
01123             row++;
01124           }
01125           statclass++;
01126         }
01127         break;
01128       }
01129 
01130       case WID_BRAS_IMAGE: {
01131         byte type = GB(widget, 16, 16);
01132         assert(type < _railstation.station_count);
01133         /* Check station availability callback */
01134         const StationSpec *statspec = StationClass::Get(_railstation.station_class)->GetSpec(type);
01135         if (!IsStationAvailable(statspec)) {
01136           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
01137         }
01138 
01139         /* Set up a clipping area for the station preview. */
01140         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01141           DrawPixelInfo *old_dpi = _cur_dpi;
01142           _cur_dpi = &tmp_dpi;
01143           if (!DrawStationTile(32, 28, _cur_railtype, _railstation.orientation, _railstation.station_class, type)) {
01144             StationPickerDrawSprite(32, 28, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2 + _railstation.orientation);
01145           }
01146           _cur_dpi = old_dpi;
01147         }
01148         break;
01149       }
01150     }
01151   }
01152 
01153   virtual void OnResize()
01154   {
01155     if (this->vscroll != NULL) { // New stations available.
01156       this->vscroll->SetCapacityFromWidget(this, WID_BRAS_NEWST_LIST);
01157     }
01158   }
01159 
01160   virtual void SetStringParameters(int widget) const
01161   {
01162     if (widget == WID_BRAS_SHOW_NEWST_TYPE) {
01163       const StationSpec *statspec = StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type);
01164       SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01165     }
01166   }
01167 
01168   virtual void OnClick(Point pt, int widget, int click_count)
01169   {
01170     switch (GB(widget, 0, 16)) {
01171       case WID_BRAS_PLATFORM_DIR_X:
01172       case WID_BRAS_PLATFORM_DIR_Y:
01173         this->RaiseWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
01174         _railstation.orientation = (Axis)(widget - WID_BRAS_PLATFORM_DIR_X);
01175         this->LowerWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
01176         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01177         this->SetDirty();
01178         DeleteWindowById(WC_SELECT_STATION, 0);
01179         break;
01180 
01181       case WID_BRAS_PLATFORM_NUM_1:
01182       case WID_BRAS_PLATFORM_NUM_2:
01183       case WID_BRAS_PLATFORM_NUM_3:
01184       case WID_BRAS_PLATFORM_NUM_4:
01185       case WID_BRAS_PLATFORM_NUM_5:
01186       case WID_BRAS_PLATFORM_NUM_6:
01187       case WID_BRAS_PLATFORM_NUM_7: {
01188         this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01189         this->RaiseWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
01190 
01191         _settings_client.gui.station_numtracks = widget - WID_BRAS_PLATFORM_NUM_BEGIN;
01192         _settings_client.gui.station_dragdrop = false;
01193 
01194         _settings_client.gui.station_dragdrop = false;
01195 
01196         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type) : NULL;
01197         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01198           /* The previously selected number of platforms in invalid */
01199           for (uint i = 0; i < 7; i++) {
01200             if (!HasBit(statspec->disallowed_lengths, i)) {
01201               this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01202               _settings_client.gui.station_platlength = i + 1;
01203               break;
01204             }
01205           }
01206         }
01207 
01208         this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01209         this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01210         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01211         this->SetDirty();
01212         DeleteWindowById(WC_SELECT_STATION, 0);
01213         break;
01214       }
01215 
01216       case WID_BRAS_PLATFORM_LEN_1:
01217       case WID_BRAS_PLATFORM_LEN_2:
01218       case WID_BRAS_PLATFORM_LEN_3:
01219       case WID_BRAS_PLATFORM_LEN_4:
01220       case WID_BRAS_PLATFORM_LEN_5:
01221       case WID_BRAS_PLATFORM_LEN_6:
01222       case WID_BRAS_PLATFORM_LEN_7: {
01223         this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01224         this->RaiseWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
01225 
01226         _settings_client.gui.station_platlength = widget - WID_BRAS_PLATFORM_LEN_BEGIN;
01227         _settings_client.gui.station_dragdrop = false;
01228 
01229         _settings_client.gui.station_dragdrop = false;
01230 
01231         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type) : NULL;
01232         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01233           /* The previously selected number of tracks in invalid */
01234           for (uint i = 0; i < 7; i++) {
01235             if (!HasBit(statspec->disallowed_platforms, i)) {
01236               this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01237               _settings_client.gui.station_numtracks = i + 1;
01238               break;
01239             }
01240           }
01241         }
01242 
01243         this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01244         this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01245         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01246         this->SetDirty();
01247         DeleteWindowById(WC_SELECT_STATION, 0);
01248         break;
01249       }
01250 
01251       case WID_BRAS_PLATFORM_DRAG_N_DROP: {
01252         _settings_client.gui.station_dragdrop ^= true;
01253 
01254         this->ToggleWidgetLoweredState(WID_BRAS_PLATFORM_DRAG_N_DROP);
01255 
01256         /* get the first allowed length/number of platforms */
01257         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type) : NULL;
01258         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01259           for (uint i = 0; i < 7; i++) {
01260             if (!HasBit(statspec->disallowed_lengths, i)) {
01261               this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01262               _settings_client.gui.station_platlength = i + 1;
01263               break;
01264             }
01265           }
01266         }
01267         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01268           for (uint i = 0; i < 7; i++) {
01269             if (!HasBit(statspec->disallowed_platforms, i)) {
01270               this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01271               _settings_client.gui.station_numtracks = i + 1;
01272               break;
01273             }
01274           }
01275         }
01276 
01277         this->SetWidgetLoweredState(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN, !_settings_client.gui.station_dragdrop);
01278         this->SetWidgetLoweredState(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN, !_settings_client.gui.station_dragdrop);
01279         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01280         this->SetDirty();
01281         DeleteWindowById(WC_SELECT_STATION, 0);
01282         break;
01283       }
01284 
01285       case WID_BRAS_HIGHLIGHT_OFF:
01286       case WID_BRAS_HIGHLIGHT_ON:
01287         _settings_client.gui.station_show_coverage = (widget != WID_BRAS_HIGHLIGHT_OFF);
01288 
01289         this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
01290         this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
01291         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01292         this->SetDirty();
01293         break;
01294 
01295       case WID_BRAS_NEWST_LIST: {
01296         int y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_BRAS_NEWST_LIST, 0, this->line_height);
01297         if (y >= (int)StationClass::GetClassCount()) return;
01298         for (uint i = 0; i < StationClass::GetClassCount(); i++) {
01299           if (i == STAT_CLASS_WAYP) continue;
01300           if (y == 0) {
01301             if (_railstation.station_class != (StationClassID)i) {
01302               _railstation.station_class = (StationClassID)i;
01303               StationClass *stclass = StationClass::Get(_railstation.station_class);
01304               _railstation.station_count = stclass->GetSpecCount();
01305               _railstation.station_type  = min((int)_railstation.station_type, max(0, (int)_railstation.station_count - 1));
01306 
01307               this->CheckSelectedSize(stclass->GetSpec(_railstation.station_type));
01308 
01309               NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX);
01310               matrix->SetCount(_railstation.station_count);
01311               matrix->SetClicked(_railstation.station_type);
01312             }
01313             if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01314             this->SetDirty();
01315             DeleteWindowById(WC_SELECT_STATION, 0);
01316             break;
01317           }
01318           y--;
01319         }
01320         break;
01321       }
01322 
01323       case WID_BRAS_IMAGE: {
01324         int y = GB(widget, 16, 16);
01325         if (y >= _railstation.station_count) return;
01326 
01327         /* Check station availability callback */
01328         const StationSpec *statspec = StationClass::Get(_railstation.station_class)->GetSpec(y);
01329         if (!IsStationAvailable(statspec)) return;
01330 
01331         _railstation.station_type = y;
01332 
01333         this->CheckSelectedSize(statspec);
01334         this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX)->SetClicked(_railstation.station_type);
01335 
01336         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01337         this->SetDirty();
01338         DeleteWindowById(WC_SELECT_STATION, 0);
01339         break;
01340       }
01341     }
01342   }
01343 
01344   virtual void OnTick()
01345   {
01346     CheckRedrawStationCoverage(this);
01347   }
01348 };
01349 
01350 static const NWidgetPart _nested_station_builder_widgets[] = {
01351   NWidget(NWID_HORIZONTAL),
01352     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01353     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_RAIL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01354     NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_DEFSIZE),
01355       NWidget(WWT_DEFSIZEBOX, COLOUR_DARK_GREEN),
01356     EndContainer(),
01357   EndContainer(),
01358   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01359     NWidget(NWID_HORIZONTAL),
01360       NWidget(NWID_VERTICAL),
01361         NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_ADDITIONS),
01362           NWidget(NWID_HORIZONTAL), SetPIP(7, 0, 7), SetPadding(2, 0, 1, 0),
01363             NWidget(WWT_MATRIX, COLOUR_GREY, WID_BRAS_NEWST_LIST), SetMinimalSize(122, 71), SetFill(1, 0),
01364                 SetMatrixDataTip(1, 0, STR_STATION_BUILD_STATION_CLASS_TOOLTIP), SetScrollbar(WID_BRAS_NEWST_SCROLL),
01365             NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_BRAS_NEWST_SCROLL),
01366           EndContainer(),
01367         EndContainer(),
01368         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_ORIENTATION, STR_NULL), SetPadding(1, 2, 0, 2),
01369         NWidget(NWID_HORIZONTAL),
01370           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01371           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(),
01372           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01373           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(),
01374           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01375         EndContainer(),
01376         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),
01377         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_NUMBER_OF_TRACKS, STR_NULL), SetPadding(0, 2, 0, 2),
01378         NWidget(NWID_HORIZONTAL),
01379           NWidget(NWID_SPACER), SetFill(1, 0),
01380           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01381           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01382           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01383           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01384           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01385           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01386           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01387           NWidget(NWID_SPACER), SetFill(1, 0),
01388         EndContainer(),
01389         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_PLATFORM_LENGTH, STR_NULL), SetPadding(2, 2, 0, 2),
01390         NWidget(NWID_HORIZONTAL),
01391           NWidget(NWID_SPACER), SetFill(1, 0),
01392           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01393           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01394           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01395           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01396           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01397           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01398           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01399           NWidget(NWID_SPACER), SetFill(1, 0),
01400         EndContainer(),
01401         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01402         NWidget(NWID_HORIZONTAL),
01403           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01404           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),
01405           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01406         EndContainer(),
01407         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetPadding(3, 2, 0, 2),
01408         NWidget(NWID_HORIZONTAL),
01409           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01410           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_HIGHLIGHT_OFF), SetMinimalSize(60, 12),
01411                         SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
01412           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_HIGHLIGHT_ON), SetMinimalSize(60, 12),
01413                         SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
01414           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01415         EndContainer(),
01416       EndContainer(),
01417       NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_MATRIX),
01418         /* We need an additional background for the matrix, as the matrix cannot handle the scrollbar due to not being an NWidgetCore. */
01419         NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetScrollbar(WID_BRAS_MATRIX_SCROLL),
01420           NWidget(NWID_HORIZONTAL),
01421             NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, WID_BRAS_MATRIX), SetScrollbar(WID_BRAS_MATRIX_SCROLL), SetPIP(0, 2, 0), SetPadding(2, 0, 0, 0),
01422               NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BRAS_IMAGE), SetMinimalSize(66, 60),
01423                   SetFill(0, 0), SetResize(0, 0), SetDataTip(0x0, STR_STATION_BUILD_STATION_TYPE_TOOLTIP), SetScrollbar(WID_BRAS_MATRIX_SCROLL),
01424               EndContainer(),
01425             EndContainer(),
01426             NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_BRAS_MATRIX_SCROLL),
01427           EndContainer(),
01428         EndContainer(),
01429       EndContainer(),
01430     EndContainer(),
01431     NWidget(NWID_HORIZONTAL),
01432       NWidget(WWT_EMPTY, INVALID_COLOUR, WID_BRAS_COVERAGE_TEXTS), SetFill(1, 1), SetResize(1, 0),
01433       NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_RESIZE),
01434         NWidget(NWID_VERTICAL),
01435           NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(0, 1), EndContainer(),
01436           NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01437         EndContainer(),
01438       EndContainer(),
01439     EndContainer(),
01440   EndContainer(),
01441 };
01442 
01444 static WindowDesc _station_builder_desc(
01445   WDP_AUTO, "build_station_rail", 350, 0,
01446   WC_BUILD_STATION, WC_BUILD_TOOLBAR,
01447   WDF_CONSTRUCTION,
01448   _nested_station_builder_widgets, lengthof(_nested_station_builder_widgets)
01449 );
01450 
01452 static void ShowStationBuilder(Window *parent)
01453 {
01454   bool newstations = StationClass::GetClassCount() > 2 || StationClass::Get(STAT_CLASS_DFLT)->GetSpecCount() != 1;
01455   new BuildRailStationWindow(&_station_builder_desc, parent, newstations);
01456 }
01457 
01458 struct BuildSignalWindow : public PickerWindowBase {
01459 private:
01460   Dimension sig_sprite_size;     
01461   int sig_sprite_bottom_offset;  
01462 
01470   void DrawSignalSprite(byte widget_index, SpriteID image) const
01471   {
01472     Point offset;
01473     Dimension sprite_size = GetSpriteSize(image, &offset);
01474     const NWidgetBase *widget = this->GetWidget<NWidgetBase>(widget_index);
01475     int x = widget->pos_x - offset.x +
01476         (widget->current_x - sprite_size.width + offset.x) / 2;  // centered
01477     int y = widget->pos_y - sig_sprite_bottom_offset + WD_IMGBTN_TOP +
01478         (widget->current_y - WD_IMGBTN_TOP - WD_IMGBTN_BOTTOM + sig_sprite_size.height) / 2; // aligned to bottom
01479 
01480     DrawSprite(image, PAL_NONE,
01481         x + this->IsWidgetLowered(widget_index),
01482         y + this->IsWidgetLowered(widget_index));
01483   }
01484 
01485 public:
01486   BuildSignalWindow(WindowDesc *desc, Window *parent) : PickerWindowBase(desc, parent)
01487   {
01488     this->InitNested(TRANSPORT_RAIL);
01489     this->OnInvalidateData();
01490   }
01491 
01492   ~BuildSignalWindow()
01493   {
01494     _convert_signal_button = false;
01495   }
01496 
01497   virtual void OnInit()
01498   {
01499     /* Calculate maximum signal sprite size. */
01500     this->sig_sprite_size.width = 0;
01501     this->sig_sprite_size.height = 0;
01502     this->sig_sprite_bottom_offset = 0;
01503     const RailtypeInfo *rti = GetRailTypeInfo(_cur_railtype);
01504     for (uint type = SIGTYPE_NORMAL; type < SIGTYPE_END; type++) {
01505       for (uint variant = SIG_ELECTRIC; variant <= SIG_SEMAPHORE; variant++) {
01506         for (uint lowered = 0; lowered < 2; lowered++) {
01507           Point offset;
01508           Dimension sprite_size = GetSpriteSize(rti->gui_sprites.signals[type][variant][lowered], &offset);
01509           this->sig_sprite_bottom_offset = max<int>(this->sig_sprite_bottom_offset, sprite_size.height);
01510           this->sig_sprite_size.width = max<int>(this->sig_sprite_size.width, sprite_size.width - offset.x);
01511           this->sig_sprite_size.height = max<int>(this->sig_sprite_size.height, sprite_size.height - offset.y);
01512         }
01513       }
01514     }
01515   }
01516 
01517   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01518   {
01519     if (widget == WID_BS_DRAG_SIGNALS_DENSITY_LABEL) {
01520       /* Two digits for signals density. */
01521       size->width = max(size->width, 2 * GetDigitWidth() + padding.width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT);
01522     } else if (IsInsideMM(widget, WID_BS_SEMAPHORE_NORM, WID_BS_ELECTRIC_PBS_OWAY + 1)) {
01523       size->width = max(size->width, this->sig_sprite_size.width + WD_IMGBTN_LEFT + WD_IMGBTN_RIGHT);
01524       size->height = max(size->height, this->sig_sprite_size.height + WD_IMGBTN_TOP + WD_IMGBTN_BOTTOM);
01525     }
01526   }
01527 
01528   virtual void SetStringParameters(int widget) const
01529   {
01530     switch (widget) {
01531       case WID_BS_DRAG_SIGNALS_DENSITY_LABEL:
01532         SetDParam(0, _settings_client.gui.drag_signals_density);
01533         break;
01534     }
01535   }
01536 
01537   virtual void DrawWidget(const Rect &r, int widget) const
01538   {
01539     if (IsInsideMM(widget, WID_BS_SEMAPHORE_NORM, WID_BS_ELECTRIC_PBS_OWAY + 1)) {
01540       /* Extract signal from widget number. */
01541       int type = (widget - WID_BS_SEMAPHORE_NORM) % SIGTYPE_END;
01542       int var = SIG_SEMAPHORE - (widget - WID_BS_SEMAPHORE_NORM) / SIGTYPE_END; // SignalVariant order is reversed compared to the widgets.
01543       SpriteID sprite = GetRailTypeInfo(_cur_railtype)->gui_sprites.signals[type][var][this->IsWidgetLowered(widget)];
01544 
01545       this->DrawSignalSprite(widget, sprite);
01546     }
01547   }
01548 
01549   virtual void OnClick(Point pt, int widget, int click_count)
01550   {
01551     switch (widget) {
01552       case WID_BS_SEMAPHORE_NORM:
01553       case WID_BS_SEMAPHORE_ENTRY:
01554       case WID_BS_SEMAPHORE_EXIT:
01555       case WID_BS_SEMAPHORE_COMBO:
01556       case WID_BS_SEMAPHORE_PBS:
01557       case WID_BS_SEMAPHORE_PBS_OWAY:
01558       case WID_BS_ELECTRIC_NORM:
01559       case WID_BS_ELECTRIC_ENTRY:
01560       case WID_BS_ELECTRIC_EXIT:
01561       case WID_BS_ELECTRIC_COMBO:
01562       case WID_BS_ELECTRIC_PBS:
01563       case WID_BS_ELECTRIC_PBS_OWAY:
01564         this->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01565 
01566         _cur_signal_type = (SignalType)((uint)((widget - WID_BS_SEMAPHORE_NORM) % (SIGTYPE_LAST + 1)));
01567         _cur_signal_variant = widget >= WID_BS_ELECTRIC_NORM ? SIG_ELECTRIC : SIG_SEMAPHORE;
01568 
01569         /* If 'remove' button of rail build toolbar is active, disable it. */
01570         if (_remove_button_clicked) {
01571           Window *w = FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL);
01572           if (w != NULL) ToggleRailButton_Remove(w);
01573         }
01574 
01575         break;
01576 
01577       case WID_BS_CONVERT:
01578         _convert_signal_button = !_convert_signal_button;
01579         break;
01580 
01581       case WID_BS_DRAG_SIGNALS_DENSITY_DECREASE:
01582         if (_settings_client.gui.drag_signals_density > 1) {
01583           _settings_client.gui.drag_signals_density--;
01584           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_SETTINGS);
01585         }
01586         break;
01587 
01588       case WID_BS_DRAG_SIGNALS_DENSITY_INCREASE:
01589         if (_settings_client.gui.drag_signals_density < 20) {
01590           _settings_client.gui.drag_signals_density++;
01591           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_SETTINGS);
01592         }
01593         break;
01594 
01595       default: break;
01596     }
01597 
01598     this->InvalidateData();
01599   }
01600 
01606   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01607   {
01608     if (!gui_scope) return;
01609     this->LowerWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01610 
01611     this->SetWidgetLoweredState(WID_BS_CONVERT, _convert_signal_button);
01612 
01613     this->SetWidgetDisabledState(WID_BS_DRAG_SIGNALS_DENSITY_DECREASE, _settings_client.gui.drag_signals_density == 1);
01614     this->SetWidgetDisabledState(WID_BS_DRAG_SIGNALS_DENSITY_INCREASE, _settings_client.gui.drag_signals_density == 20);
01615   }
01616 };
01617 
01619 static const NWidgetPart _nested_signal_builder_widgets[] = {
01620   NWidget(NWID_HORIZONTAL),
01621     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01622     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_SIGNAL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01623   EndContainer(),
01624   NWidget(NWID_VERTICAL, NC_EQUALSIZE),
01625     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01626       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01627       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01628       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01629       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01630       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01631       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),
01632       NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_BS_CONVERT), SetDataTip(SPR_IMG_SIGNAL_CONVERT, STR_BUILD_SIGNAL_CONVERT_TOOLTIP), SetFill(1, 1),
01633     EndContainer(),
01634     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01635       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01636       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01637       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01638       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01639       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01640       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),
01641       NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01642         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),
01643         NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
01644           NWidget(NWID_SPACER), SetFill(1, 0),
01645           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),
01646           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),
01647           NWidget(NWID_SPACER), SetFill(1, 0),
01648         EndContainer(),
01649         NWidget(NWID_SPACER), SetMinimalSize(0, 2), SetFill(1, 0),
01650       EndContainer(),
01651     EndContainer(),
01652   EndContainer(),
01653 };
01654 
01656 static WindowDesc _signal_builder_desc(
01657   WDP_AUTO, "build_signal", 0, 0,
01658   WC_BUILD_SIGNAL, WC_BUILD_TOOLBAR,
01659   WDF_CONSTRUCTION,
01660   _nested_signal_builder_widgets, lengthof(_nested_signal_builder_widgets)
01661 );
01662 
01666 static void ShowSignalBuilder(Window *parent)
01667 {
01668   new BuildSignalWindow(&_signal_builder_desc, parent);
01669 }
01670 
01671 struct BuildRailDepotWindow : public PickerWindowBase {
01672   BuildRailDepotWindow(WindowDesc *desc, Window *parent) : PickerWindowBase(desc, parent)
01673   {
01674     this->InitNested(TRANSPORT_RAIL);
01675     this->LowerWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01676   }
01677 
01678   virtual void DrawWidget(const Rect &r, int widget) const
01679   {
01680     if (!IsInsideMM(widget, WID_BRAD_DEPOT_NE, WID_BRAD_DEPOT_NW + 1)) return;
01681 
01682     DrawTrainDepotSprite(r.left - 1, r.top, widget - WID_BRAD_DEPOT_NE + DIAGDIR_NE, _cur_railtype);
01683   }
01684 
01685   virtual void OnClick(Point pt, int widget, int click_count)
01686   {
01687     switch (widget) {
01688       case WID_BRAD_DEPOT_NE:
01689       case WID_BRAD_DEPOT_SE:
01690       case WID_BRAD_DEPOT_SW:
01691       case WID_BRAD_DEPOT_NW:
01692         this->RaiseWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01693         _build_depot_direction = (DiagDirection)(widget - WID_BRAD_DEPOT_NE);
01694         this->LowerWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01695         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01696         this->SetDirty();
01697         break;
01698     }
01699   }
01700 };
01701 
01703 static const NWidgetPart _nested_build_depot_widgets[] = {
01704   NWidget(NWID_HORIZONTAL),
01705     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01706     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_DEPOT_TRAIN_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01707   EndContainer(),
01708   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01709     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01710     NWidget(NWID_HORIZONTAL_LTR),
01711       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01712       NWidget(NWID_VERTICAL),
01713         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01714         EndContainer(),
01715         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01716         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01717         EndContainer(),
01718       EndContainer(),
01719       NWidget(NWID_SPACER), SetMinimalSize(2, 0),
01720       NWidget(NWID_VERTICAL),
01721         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01722         EndContainer(),
01723         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01724         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01725         EndContainer(),
01726       EndContainer(),
01727       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01728     EndContainer(),
01729     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01730   EndContainer(),
01731 };
01732 
01733 static WindowDesc _build_depot_desc(
01734   WDP_AUTO, NULL, 0, 0,
01735   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01736   WDF_CONSTRUCTION,
01737   _nested_build_depot_widgets, lengthof(_nested_build_depot_widgets)
01738 );
01739 
01740 static void ShowBuildTrainDepotPicker(Window *parent)
01741 {
01742   new BuildRailDepotWindow(&_build_depot_desc, parent);
01743 }
01744 
01745 struct BuildRailWaypointWindow : PickerWindowBase {
01746   BuildRailWaypointWindow(WindowDesc *desc, Window *parent) : PickerWindowBase(desc, parent)
01747   {
01748     this->CreateNestedTree();
01749 
01750     NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX);
01751     matrix->SetScrollbar(this->GetScrollbar(WID_BRW_SCROLL));
01752 
01753     this->FinishInitNested(TRANSPORT_RAIL);
01754 
01755     matrix->SetCount(_waypoint_count);
01756     matrix->SetClicked(_cur_waypoint_type);
01757   }
01758 
01759   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01760   {
01761     switch (widget) {
01762       case WID_BRW_WAYPOINT_MATRIX:
01763         /* Three blobs high and wide. */
01764         size->width  += resize->width  * 2;
01765         size->height += resize->height * 2;
01766 
01767         /* Resizing in X direction only at blob size, but at pixel level in Y. */
01768         resize->height = 1;
01769         break;
01770     }
01771   }
01772 
01773   virtual void DrawWidget(const Rect &r, int widget) const
01774   {
01775     switch (GB(widget, 0, 16)) {
01776       case WID_BRW_WAYPOINT: {
01777         byte type = GB(widget, 16, 16);
01778         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP)->GetSpec(type);
01779         DrawWaypointSprite(r.left + TILE_PIXELS, r.bottom - TILE_PIXELS, type, _cur_railtype);
01780 
01781         if (!IsStationAvailable(statspec)) {
01782           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
01783         }
01784       }
01785     }
01786   }
01787 
01788   virtual void OnClick(Point pt, int widget, int click_count)
01789   {
01790     switch (GB(widget, 0, 16)) {
01791       case WID_BRW_WAYPOINT: {
01792         byte type = GB(widget, 16, 16);
01793         this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01794 
01795         /* Check station availability callback */
01796         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP)->GetSpec(type);
01797         if (!IsStationAvailable(statspec)) return;
01798 
01799         _cur_waypoint_type = type;
01800         this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01801         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01802         this->SetDirty();
01803         break;
01804       }
01805     }
01806   }
01807 };
01808 
01810 static const NWidgetPart _nested_build_waypoint_widgets[] = {
01811   NWidget(NWID_HORIZONTAL),
01812     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01813     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_WAYPOINT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01814     NWidget(WWT_DEFSIZEBOX, COLOUR_DARK_GREEN),
01815   EndContainer(),
01816   NWidget(NWID_HORIZONTAL),
01817     NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, WID_BRW_WAYPOINT_MATRIX), SetPIP(3, 2, 3), SetScrollbar(WID_BRW_SCROLL),
01818       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BRW_WAYPOINT), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), SetScrollbar(WID_BRW_SCROLL), EndContainer(),
01819     EndContainer(),
01820     NWidget(NWID_VERTICAL),
01821       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_BRW_SCROLL),
01822       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01823     EndContainer(),
01824   EndContainer(),
01825 };
01826 
01827 static WindowDesc _build_waypoint_desc(
01828   WDP_AUTO, "build_waypoint", 0, 0,
01829   WC_BUILD_WAYPOINT, WC_BUILD_TOOLBAR,
01830   WDF_CONSTRUCTION,
01831   _nested_build_waypoint_widgets, lengthof(_nested_build_waypoint_widgets)
01832 );
01833 
01834 static void ShowBuildWaypointPicker(Window *parent)
01835 {
01836   new BuildRailWaypointWindow(&_build_waypoint_desc, parent);
01837 }
01838 
01842 void InitializeRailGui()
01843 {
01844   _build_depot_direction = DIAGDIR_NW;
01845 }
01846 
01851 void ReinitGuiAfterToggleElrail(bool disable)
01852 {
01853   extern RailType _last_built_railtype;
01854   if (disable && _last_built_railtype == RAILTYPE_ELECTRIC) {
01855     _last_built_railtype = _cur_railtype = RAILTYPE_RAIL;
01856     BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01857     if (w != NULL) w->ModifyRailType(_cur_railtype);
01858   }
01859   MarkWholeScreenDirty();
01860 }
01861 
01863 static void SetDefaultRailGui()
01864 {
01865   if (_local_company == COMPANY_SPECTATOR || !Company::IsValidID(_local_company)) return;
01866 
01867   extern RailType _last_built_railtype;
01868   RailType rt = (RailType)(_settings_client.gui.default_rail_type + RAILTYPE_END);
01869   if (rt == DEF_RAILTYPE_MOST_USED) {
01870     /* Find the most used rail type */
01871     RailType count[RAILTYPE_END];
01872     memset(count, 0, sizeof(count));
01873     for (TileIndex t = 0; t < MapSize(); t++) {
01874       if (IsTileType(t, MP_RAILWAY) || IsLevelCrossingTile(t) || HasStationTileRail(t) ||
01875           (IsTileType(t, MP_TUNNELBRIDGE) && GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL)) {
01876         count[GetRailType(t)]++;
01877       }
01878     }
01879 
01880     rt = RAILTYPE_RAIL;
01881     for (RailType r = RAILTYPE_ELECTRIC; r < RAILTYPE_END; r++) {
01882       if (count[r] >= count[rt]) rt = r;
01883     }
01884 
01885     /* No rail, just get the first available one */
01886     if (count[rt] == 0) rt = DEF_RAILTYPE_FIRST;
01887   }
01888   switch (rt) {
01889     case DEF_RAILTYPE_FIRST:
01890       rt = RAILTYPE_RAIL;
01891       while (rt < RAILTYPE_END && !HasRailtypeAvail(_local_company, rt)) rt++;
01892       break;
01893 
01894     case DEF_RAILTYPE_LAST:
01895       rt = GetBestRailtype(_local_company);
01896       break;
01897 
01898     default:
01899       break;
01900   }
01901 
01902   _last_built_railtype = _cur_railtype = rt;
01903   BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01904   if (w != NULL) w->ModifyRailType(_cur_railtype);
01905 }
01906 
01913 bool ResetSignalVariant(int32 p)
01914 {
01915   SignalVariant new_variant = (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC);
01916 
01917   if (new_variant != _cur_signal_variant) {
01918     Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
01919     if (w != NULL) {
01920       w->SetDirty();
01921       w->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01922     }
01923     _cur_signal_variant = new_variant;
01924   }
01925 
01926   return true;
01927 }
01928 
01933 void InitializeRailGUI()
01934 {
01935   SetDefaultRailGui();
01936 
01937   _convert_signal_button = false;
01938   _cur_signal_type = _default_signal_type[_settings_client.gui.default_signal_type];
01939   ResetSignalVariant();
01940 }
01941 
01948 static int CDECL CompareRailTypes(const DropDownListItem * const *first, const DropDownListItem * const *second)
01949 {
01950   return GetRailTypeInfo((RailType)(*first)->result)->sorting_order - GetRailTypeInfo((RailType)(*second)->result)->sorting_order;
01951 }
01952 
01958 DropDownList *GetRailTypeDropDownList(bool for_replacement)
01959 {
01960   RailTypes used_railtypes = RAILTYPES_NONE;
01961 
01962   /* Find the used railtypes. */
01963   Engine *e;
01964   FOR_ALL_ENGINES_OF_TYPE(e, VEH_TRAIN) {
01965     if (!HasBit(e->info.climates, _settings_game.game_creation.landscape)) continue;
01966 
01967     used_railtypes |= GetRailTypeInfo(e->u.rail.railtype)->introduces_railtypes;
01968   }
01969 
01970   /* Get the date introduced railtypes as well. */
01971   used_railtypes = AddDateIntroducedRailTypes(used_railtypes, MAX_DAY);
01972 
01973   const Company *c = Company::Get(_local_company);
01974   DropDownList *list = new DropDownList();
01975   for (RailType rt = RAILTYPE_BEGIN; rt != RAILTYPE_END; rt++) {
01976     /* If it's not used ever, don't show it to the user. */
01977     if (!HasBit(used_railtypes, rt)) continue;
01978 
01979     const RailtypeInfo *rti = GetRailTypeInfo(rt);
01980     /* Skip rail type if it has no label */
01981     if (rti->label == 0) continue;
01982 
01983     StringID str = for_replacement ? rti->strings.replace_text : (rti->max_speed > 0 ? STR_TOOLBAR_RAILTYPE_VELOCITY : STR_JUST_STRING);
01984     DropDownListParamStringItem *item = new DropDownListParamStringItem(str, rt, !HasBit(c->avail_railtypes, rt));
01985     item->SetParam(0, rti->strings.menu_text);
01986     item->SetParam(1, rti->max_speed);
01987     *list->Append() = item;
01988   }
01989   QSortT(list->Begin(), list->Length(), CompareRailTypes);
01990   return list;
01991 }