rail_gui.cpp

Go to the documentation of this file.
00001 /* $Id: rail_gui.cpp 22837 2011-08-25 13:21:25Z 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 
00036 #include "station_map.h"
00037 #include "tunnelbridge_map.h"
00038 
00039 #include "table/strings.h"
00040 
00041 static RailType _cur_railtype;               
00042 static bool _remove_button_clicked;          
00043 static DiagDirection _build_depot_direction; 
00044 static byte _waypoint_count = 1;             
00045 static byte _cur_waypoint_type;              
00046 static bool _convert_signal_button;          
00047 static SignalVariant _cur_signal_variant;    
00048 static SignalType _cur_signal_type;          
00049 
00050 /* Map the setting: default_signal_type to the corresponding signal type */
00051 static const SignalType _default_signal_type[] = {SIGTYPE_NORMAL, SIGTYPE_PBS, SIGTYPE_PBS_ONEWAY};
00052 
00053 struct RailStationGUISettings {
00054   Axis orientation;                 
00055 
00056   bool newstations;                 
00057   StationClassID station_class;     
00058   byte station_type;                
00059   byte station_count;               
00060 };
00061 static RailStationGUISettings _railstation; 
00062 
00063 
00064 static void HandleStationPlacement(TileIndex start, TileIndex end);
00065 static void ShowBuildTrainDepotPicker(Window *parent);
00066 static void ShowBuildWaypointPicker(Window *parent);
00067 static void ShowStationBuilder(Window *parent);
00068 static void ShowSignalBuilder(Window *parent);
00069 
00070 void CcPlaySound1E(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00071 {
00072   if (result.Succeeded()) SndPlayTileFx(SND_20_SPLAT_2, tile);
00073 }
00074 
00075 static void GenericPlaceRail(TileIndex tile, int cmd)
00076 {
00077   DoCommandP(tile, _cur_railtype, cmd,
00078       _remove_button_clicked ?
00079       CMD_REMOVE_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00080       CMD_BUILD_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK),
00081       CcPlaySound1E);
00082 }
00083 
00091 static void PlaceExtraDepotRail(TileIndex tile, DiagDirection dir, Track track)
00092 {
00093   if (GetRailTileType(tile) != RAIL_TILE_NORMAL) return;
00094   if ((GetTrackBits(tile) & DiagdirReachesTracks(dir)) == 0) return;
00095 
00096   DoCommandP(tile, _cur_railtype, track, CMD_BUILD_SINGLE_RAIL);
00097 }
00098 
00100 static const Track _place_depot_extra_track[12] = {
00101   TRACK_LEFT,  TRACK_UPPER, TRACK_UPPER, TRACK_RIGHT, // First additional track for directions 0..3
00102   TRACK_X,     TRACK_Y,     TRACK_X,     TRACK_Y,     // Second additional track
00103   TRACK_LOWER, TRACK_LEFT,  TRACK_RIGHT, TRACK_LOWER, // Third additional track
00104 };
00105 
00107 static const DiagDirection _place_depot_extra_dir[12] = {
00108   DIAGDIR_SE, DIAGDIR_SW, DIAGDIR_SE, DIAGDIR_SW,
00109   DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_SE,
00110   DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_NW, DIAGDIR_NE,
00111 };
00112 
00113 void CcRailDepot(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00114 {
00115   if (result.Failed()) return;
00116 
00117   DiagDirection dir = (DiagDirection)p2;
00118 
00119   SndPlayTileFx(SND_20_SPLAT_2, tile);
00120   if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00121 
00122   tile += TileOffsByDiagDir(dir);
00123 
00124   if (IsTileType(tile, MP_RAILWAY)) {
00125     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir], _place_depot_extra_track[dir]);
00126     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 4], _place_depot_extra_track[dir + 4]);
00127     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 8], _place_depot_extra_track[dir + 8]);
00128   }
00129 }
00130 
00135 static void PlaceRail_Waypoint(TileIndex tile)
00136 {
00137   if (_remove_button_clicked) {
00138     VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_STATION);
00139     return;
00140   }
00141 
00142   Axis axis = GetAxisForNewWaypoint(tile);
00143   if (IsValidAxis(axis)) {
00144     /* Valid tile for waypoints */
00145     VpStartPlaceSizing(tile, axis == AXIS_X ? VPM_FIX_X : VPM_FIX_Y, DDSP_BUILD_STATION);
00146   } else {
00147     /* Tile where we can't build rail waypoints. This is always going to fail,
00148      * but provides the user with a proper error message. */
00149     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));
00150   }
00151 }
00152 
00153 void CcStation(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00154 {
00155   if (result.Failed()) return;
00156 
00157   SndPlayTileFx(SND_20_SPLAT_2, tile);
00158   /* Only close the station builder window if the default station and non persistent building is chosen. */
00159   if (_railstation.station_class == STAT_CLASS_DFLT && _railstation.station_type == 0 && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00160 }
00161 
00166 static void PlaceRail_Station(TileIndex tile)
00167 {
00168   if (_remove_button_clicked) {
00169     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_REMOVE_STATION);
00170     VpSetPlaceSizingLimit(-1);
00171   } else if (_settings_client.gui.station_dragdrop) {
00172     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_BUILD_STATION);
00173     VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00174   } else {
00175     uint32 p1 = _cur_railtype | _railstation.orientation << 4 | _settings_client.gui.station_numtracks << 8 | _settings_client.gui.station_platlength << 16 | _ctrl_pressed << 24;
00176     uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00177 
00178     int w = _settings_client.gui.station_numtracks;
00179     int h = _settings_client.gui.station_platlength;
00180     if (!_railstation.orientation) Swap(w, h);
00181 
00182     CommandContainer cmdcont = { tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00183     ShowSelectStationIfNeeded(cmdcont, TileArea(tile, w, h));
00184   }
00185 }
00186 
00192 static void GenericPlaceSignals(TileIndex tile)
00193 {
00194   TrackBits trackbits = TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_RAIL, 0));
00195 
00196   if (trackbits & TRACK_BIT_VERT) { // N-S direction
00197     trackbits = (_tile_fract_coords.x <= _tile_fract_coords.y) ? TRACK_BIT_RIGHT : TRACK_BIT_LEFT;
00198   }
00199 
00200   if (trackbits & TRACK_BIT_HORZ) { // E-W direction
00201     trackbits = (_tile_fract_coords.x + _tile_fract_coords.y <= 15) ? TRACK_BIT_UPPER : TRACK_BIT_LOWER;
00202   }
00203 
00204   Track track = FindFirstTrack(trackbits);
00205 
00206   if (_remove_button_clicked) {
00207     DoCommandP(tile, track, 0, CMD_REMOVE_SIGNALS | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM), CcPlaySound1E);
00208   } else {
00209     const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00210 
00211     /* Map the setting cycle_signal_types to the lower and upper allowed signal type. */
00212     static const uint cycle_bounds[] = {SIGTYPE_NORMAL | (SIGTYPE_LAST_NOPBS << 3), SIGTYPE_PBS | (SIGTYPE_LAST << 3), SIGTYPE_NORMAL | (SIGTYPE_LAST << 3)};
00213 
00214     /* various bitstuffed elements for CmdBuildSingleSignal() */
00215     uint32 p1 = track;
00216 
00217     if (w != NULL) {
00218       /* signal GUI is used */
00219       SB(p1, 3, 1, _ctrl_pressed);
00220       SB(p1, 4, 1, _cur_signal_variant);
00221       SB(p1, 5, 3, _cur_signal_type);
00222       SB(p1, 8, 1, _convert_signal_button);
00223       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00224     } else {
00225       SB(p1, 3, 1, _ctrl_pressed);
00226       SB(p1, 4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00227       SB(p1, 5, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00228       SB(p1, 8, 1, 0);
00229       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00230     }
00231 
00232     DoCommandP(tile, p1, 0, CMD_BUILD_SIGNALS |
00233         CMD_MSG((w != NULL && _convert_signal_button) ? STR_ERROR_SIGNAL_CAN_T_CONVERT_SIGNALS_HERE : STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00234         CcPlaySound1E);
00235   }
00236 }
00237 
00243 static void PlaceRail_Bridge(TileIndex tile, Window *w)
00244 {
00245   if (IsBridgeTile(tile)) {
00246     TileIndex other_tile = GetOtherTunnelBridgeEnd(tile);
00247     Point pt = {0, 0};
00248     w->OnPlaceMouseUp(VPM_X_OR_Y, DDSP_BUILD_BRIDGE, pt, tile, other_tile);
00249   } else {
00250     VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_BUILD_BRIDGE);
00251   }
00252 }
00253 
00255 void CcBuildRailTunnel(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00256 {
00257   if (result.Succeeded()) {
00258     SndPlayTileFx(SND_20_SPLAT_2, tile);
00259     if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00260   } else {
00261     SetRedErrorSquare(_build_tunnel_endtile);
00262   }
00263 }
00264 
00265 
00267 enum RailToolbarWidgets {
00268   RTW_CAPTION,
00269   RTW_BUILD_NS,
00270   RTW_BUILD_X,
00271   RTW_BUILD_EW,
00272   RTW_BUILD_Y,
00273   RTW_AUTORAIL,
00274   RTW_DEMOLISH,
00275   RTW_BUILD_DEPOT,
00276   RTW_BUILD_WAYPOINT,
00277   RTW_BUILD_STATION,
00278   RTW_BUILD_SIGNALS,
00279   RTW_BUILD_BRIDGE,
00280   RTW_BUILD_TUNNEL,
00281   RTW_REMOVE,
00282   RTW_CONVERT_RAIL,
00283 };
00284 
00285 
00290 static void ToggleRailButton_Remove(Window *w)
00291 {
00292   DeleteWindowById(WC_SELECT_STATION, 0);
00293   w->ToggleWidgetLoweredState(RTW_REMOVE);
00294   w->SetWidgetDirty(RTW_REMOVE);
00295   _remove_button_clicked = w->IsWidgetLowered(RTW_REMOVE);
00296   SetSelectionRed(_remove_button_clicked);
00297 }
00298 
00304 static bool RailToolbar_CtrlChanged(Window *w)
00305 {
00306   if (w->IsWidgetDisabled(RTW_REMOVE)) return false;
00307 
00308   /* allow ctrl to switch remove mode only for these widgets */
00309   for (uint i = RTW_BUILD_NS; i <= RTW_BUILD_STATION; i++) {
00310     if ((i <= RTW_AUTORAIL || i >= RTW_BUILD_WAYPOINT) && w->IsWidgetLowered(i)) {
00311       ToggleRailButton_Remove(w);
00312       return true;
00313     }
00314   }
00315 
00316   return false;
00317 }
00318 
00319 
00325 static void BuildRailClick_Remove(Window *w)
00326 {
00327   if (w->IsWidgetDisabled(RTW_REMOVE)) return;
00328   ToggleRailButton_Remove(w);
00329   SndPlayFx(SND_15_BEEP);
00330 
00331   /* handle station builder */
00332   if (w->IsWidgetLowered(RTW_BUILD_STATION)) {
00333     if (_remove_button_clicked) {
00334       /* starting drag & drop remove */
00335       if (!_settings_client.gui.station_dragdrop) {
00336         SetTileSelectSize(1, 1);
00337       } else {
00338         VpSetPlaceSizingLimit(-1);
00339       }
00340     } else {
00341       /* starting station build mode */
00342       if (!_settings_client.gui.station_dragdrop) {
00343         int x = _settings_client.gui.station_numtracks;
00344         int y = _settings_client.gui.station_platlength;
00345         if (_railstation.orientation == 0) Swap(x, y);
00346         SetTileSelectSize(x, y);
00347       } else {
00348         VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00349       }
00350     }
00351   }
00352 }
00353 
00354 static void DoRailroadTrack(int mode)
00355 {
00356   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), _cur_railtype | (mode << 4),
00357       _remove_button_clicked ?
00358       CMD_REMOVE_RAILROAD_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00359       CMD_BUILD_RAILROAD_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK));
00360 }
00361 
00362 static void HandleAutodirPlacement()
00363 {
00364   int trackstat = _thd.drawstyle & HT_DIR_MASK; // 0..5
00365 
00366   if (_thd.drawstyle & HT_RAIL) { // one tile case
00367     GenericPlaceRail(TileVirtXY(_thd.selend.x, _thd.selend.y), trackstat);
00368     return;
00369   }
00370 
00371   DoRailroadTrack(trackstat);
00372 }
00373 
00380 static void HandleAutoSignalPlacement()
00381 {
00382   uint32 p2 = GB(_thd.drawstyle, 0, 3); // 0..5
00383 
00384   if ((_thd.drawstyle & HT_DRAG_MASK) == HT_RECT) { // one tile case
00385     GenericPlaceSignals(TileVirtXY(_thd.selend.x, _thd.selend.y));
00386     return;
00387   }
00388 
00389   const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00390 
00391   if (w != NULL) {
00392     /* signal GUI is used */
00393     SB(p2,  3, 1, 0);
00394     SB(p2,  4, 1, _cur_signal_variant);
00395     SB(p2,  6, 1, _ctrl_pressed);
00396     SB(p2,  7, 3, _cur_signal_type);
00397     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00398   } else {
00399     SB(p2,  3, 1, 0);
00400     SB(p2,  4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00401     SB(p2,  6, 1, _ctrl_pressed);
00402     SB(p2,  7, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00403     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00404   }
00405 
00406   /* _settings_client.gui.drag_signals_density is given as a parameter such that each user
00407    * in a network game can specify his/her own signal density */
00408   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), p2,
00409       _remove_button_clicked ?
00410       CMD_REMOVE_SIGNAL_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM) :
00411       CMD_BUILD_SIGNAL_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00412       CcPlaySound1E);
00413 }
00414 
00415 
00417 struct BuildRailToolbarWindow : Window {
00418   RailType railtype;    
00419   int last_user_action; 
00420 
00421   BuildRailToolbarWindow(const WindowDesc *desc, WindowNumber window_number, RailType railtype) : Window()
00422   {
00423     this->InitNested(desc);
00424     this->SetupRailToolbar(railtype);
00425     this->DisableWidget(RTW_REMOVE);
00426     this->last_user_action = WIDGET_LIST_END;
00427 
00428     if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
00429   }
00430 
00431   ~BuildRailToolbarWindow()
00432   {
00433     if (_settings_client.gui.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0, false);
00434   }
00435 
00440   void SetupRailToolbar(RailType railtype)
00441   {
00442     this->railtype = railtype;
00443     const RailtypeInfo *rti = GetRailTypeInfo(railtype);
00444 
00445     assert(railtype < RAILTYPE_END);
00446     this->GetWidget<NWidgetCore>(RTW_BUILD_NS)->widget_data     = rti->gui_sprites.build_ns_rail;
00447     this->GetWidget<NWidgetCore>(RTW_BUILD_X)->widget_data      = rti->gui_sprites.build_x_rail;
00448     this->GetWidget<NWidgetCore>(RTW_BUILD_EW)->widget_data     = rti->gui_sprites.build_ew_rail;
00449     this->GetWidget<NWidgetCore>(RTW_BUILD_Y)->widget_data      = rti->gui_sprites.build_y_rail;
00450     this->GetWidget<NWidgetCore>(RTW_AUTORAIL)->widget_data     = rti->gui_sprites.auto_rail;
00451     this->GetWidget<NWidgetCore>(RTW_BUILD_DEPOT)->widget_data  = rti->gui_sprites.build_depot;
00452     this->GetWidget<NWidgetCore>(RTW_CONVERT_RAIL)->widget_data = rti->gui_sprites.convert_rail;
00453     this->GetWidget<NWidgetCore>(RTW_BUILD_TUNNEL)->widget_data = rti->gui_sprites.build_tunnel;
00454   }
00455 
00460   void ModifyRailType(RailType railtype)
00461   {
00462     this->SetupRailToolbar(railtype);
00463     this->ReInit();
00464   }
00465 
00466   void UpdateRemoveWidgetStatus(int clicked_widget)
00467   {
00468     switch (clicked_widget) {
00469       case RTW_REMOVE:
00470         /* If it is the removal button that has been clicked, do nothing,
00471          * as it is up to the other buttons to drive removal status */
00472         return;
00473 
00474       case RTW_BUILD_NS:
00475       case RTW_BUILD_X:
00476       case RTW_BUILD_EW:
00477       case RTW_BUILD_Y:
00478       case RTW_AUTORAIL:
00479       case RTW_BUILD_WAYPOINT:
00480       case RTW_BUILD_STATION:
00481       case RTW_BUILD_SIGNALS:
00482         /* Removal button is enabled only if the rail/signal/waypoint/station
00483          * button is still lowered.  Once raised, it has to be disabled */
00484         this->SetWidgetDisabledState(RTW_REMOVE, !this->IsWidgetLowered(clicked_widget));
00485         break;
00486 
00487       default:
00488         /* When any other buttons than rail/signal/waypoint/station, raise and
00489          * disable the removal button */
00490         this->DisableWidget(RTW_REMOVE);
00491         this->RaiseWidget(RTW_REMOVE);
00492         break;
00493     }
00494   }
00495 
00496   virtual void SetStringParameters(int widget) const
00497   {
00498     if (widget == RTW_CAPTION) {
00499       const RailtypeInfo *rti = GetRailTypeInfo(this->railtype);
00500       if (rti->max_speed > 0) {
00501         SetDParam(0, STR_TOOLBAR_RAILTYPE_VELOCITY);
00502         SetDParam(1, rti->strings.toolbar_caption);
00503         SetDParam(2, rti->max_speed);
00504       } else {
00505         SetDParam(0, rti->strings.toolbar_caption);
00506       }
00507     }
00508   }
00509 
00510   virtual void OnClick(Point pt, int widget, int click_count)
00511   {
00512     if (widget < RTW_BUILD_NS) return;
00513 
00514     _remove_button_clicked = false;
00515     switch (widget) {
00516       case RTW_BUILD_NS:
00517         HandlePlacePushButton(this, RTW_BUILD_NS, GetRailTypeInfo(_cur_railtype)->cursor.rail_ns, HT_LINE | HT_DIR_VL);
00518         this->last_user_action = widget;
00519         break;
00520 
00521       case RTW_BUILD_X:
00522         HandlePlacePushButton(this, RTW_BUILD_X, GetRailTypeInfo(_cur_railtype)->cursor.rail_swne, HT_LINE | HT_DIR_X);
00523         this->last_user_action = widget;
00524         break;
00525 
00526       case RTW_BUILD_EW:
00527         HandlePlacePushButton(this, RTW_BUILD_EW, GetRailTypeInfo(_cur_railtype)->cursor.rail_ew, HT_LINE | HT_DIR_HL);
00528         this->last_user_action = widget;
00529         break;
00530 
00531       case RTW_BUILD_Y:
00532         HandlePlacePushButton(this, RTW_BUILD_Y, GetRailTypeInfo(_cur_railtype)->cursor.rail_nwse, HT_LINE | HT_DIR_Y);
00533         this->last_user_action = widget;
00534         break;
00535 
00536       case RTW_AUTORAIL:
00537         HandlePlacePushButton(this, RTW_AUTORAIL, GetRailTypeInfo(_cur_railtype)->cursor.autorail, HT_RAIL);
00538         this->last_user_action = widget;
00539         break;
00540 
00541       case RTW_DEMOLISH:
00542         HandlePlacePushButton(this, RTW_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
00543         this->last_user_action = widget;
00544         break;
00545 
00546       case RTW_BUILD_DEPOT:
00547         if (HandlePlacePushButton(this, RTW_BUILD_DEPOT, GetRailTypeInfo(_cur_railtype)->cursor.depot, HT_RECT)) {
00548           ShowBuildTrainDepotPicker(this);
00549           this->last_user_action = widget;
00550         }
00551         break;
00552 
00553       case RTW_BUILD_WAYPOINT:
00554         this->last_user_action = widget;
00555         _waypoint_count = StationClass::GetCount(STAT_CLASS_WAYP);
00556         if (HandlePlacePushButton(this, RTW_BUILD_WAYPOINT, SPR_CURSOR_WAYPOINT, HT_RECT) && _waypoint_count > 1) {
00557           ShowBuildWaypointPicker(this);
00558         }
00559         break;
00560 
00561       case RTW_BUILD_STATION:
00562         if (HandlePlacePushButton(this, RTW_BUILD_STATION, SPR_CURSOR_RAIL_STATION, HT_RECT)) {
00563           ShowStationBuilder(this);
00564           this->last_user_action = widget;
00565         }
00566         break;
00567 
00568       case RTW_BUILD_SIGNALS: {
00569         this->last_user_action = widget;
00570         bool started = HandlePlacePushButton(this, RTW_BUILD_SIGNALS, ANIMCURSOR_BUILDSIGNALS, HT_RECT);
00571         if (started && _settings_client.gui.enable_signal_gui != _ctrl_pressed) {
00572           ShowSignalBuilder(this);
00573         }
00574         break;
00575       }
00576 
00577       case RTW_BUILD_BRIDGE:
00578         HandlePlacePushButton(this, RTW_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT);
00579         this->last_user_action = widget;
00580         break;
00581 
00582       case RTW_BUILD_TUNNEL:
00583         HandlePlacePushButton(this, RTW_BUILD_TUNNEL, GetRailTypeInfo(_cur_railtype)->cursor.tunnel, HT_SPECIAL);
00584         this->last_user_action = widget;
00585         break;
00586 
00587       case RTW_REMOVE:
00588         BuildRailClick_Remove(this);
00589         break;
00590 
00591       case RTW_CONVERT_RAIL:
00592         HandlePlacePushButton(this, RTW_CONVERT_RAIL, GetRailTypeInfo(_cur_railtype)->cursor.convert, HT_RECT);
00593         this->last_user_action = widget;
00594         break;
00595 
00596       default: NOT_REACHED();
00597     }
00598     this->UpdateRemoveWidgetStatus(widget);
00599     if (_ctrl_pressed) RailToolbar_CtrlChanged(this);
00600   }
00601 
00602   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
00603   {
00604     int num = CheckHotkeyMatch(railtoolbar_hotkeys, keycode, this);
00605     if (num == -1) return ES_NOT_HANDLED;
00606     this->OnClick(Point(), num, 1);
00607     MarkTileDirtyByTile(TileVirtXY(_thd.pos.x, _thd.pos.y)); // redraw tile selection
00608     return ES_HANDLED;
00609   }
00610 
00611   virtual void OnPlaceObject(Point pt, TileIndex tile)
00612   {
00613     switch (this->last_user_action) {
00614       case RTW_BUILD_NS:
00615         VpStartPlaceSizing(tile, VPM_FIX_VERTICAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00616         break;
00617 
00618       case RTW_BUILD_X:
00619         VpStartPlaceSizing(tile, VPM_FIX_Y | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00620         break;
00621 
00622       case RTW_BUILD_EW:
00623         VpStartPlaceSizing(tile, VPM_FIX_HORIZONTAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00624         break;
00625 
00626       case RTW_BUILD_Y:
00627         VpStartPlaceSizing(tile, VPM_FIX_X | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00628         break;
00629 
00630       case RTW_AUTORAIL:
00631         VpStartPlaceSizing(tile, VPM_RAILDIRS, DDSP_PLACE_RAIL);
00632         break;
00633 
00634       case RTW_DEMOLISH:
00635         PlaceProc_DemolishArea(tile);
00636         break;
00637 
00638       case RTW_BUILD_DEPOT:
00639         DoCommandP(tile, _cur_railtype, _build_depot_direction,
00640             CMD_BUILD_TRAIN_DEPOT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_DEPOT),
00641             CcRailDepot);
00642         break;
00643 
00644       case RTW_BUILD_WAYPOINT:
00645         PlaceRail_Waypoint(tile);
00646         break;
00647 
00648       case RTW_BUILD_STATION:
00649         PlaceRail_Station(tile);
00650         break;
00651 
00652       case RTW_BUILD_SIGNALS:
00653         VpStartPlaceSizing(tile, VPM_SIGNALDIRS, DDSP_BUILD_SIGNALS);
00654         break;
00655 
00656       case RTW_BUILD_BRIDGE:
00657         PlaceRail_Bridge(tile, this);
00658         break;
00659 
00660       case RTW_BUILD_TUNNEL:
00661         DoCommandP(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, CMD_BUILD_TUNNEL | CMD_MSG(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE), CcBuildRailTunnel);
00662         break;
00663 
00664       case RTW_CONVERT_RAIL:
00665         VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CONVERT_RAIL);
00666         break;
00667 
00668       default: NOT_REACHED();
00669     }
00670   }
00671 
00672   virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
00673   {
00674     /* no dragging if you have pressed the convert button */
00675     if (FindWindowById(WC_BUILD_SIGNAL, 0) != NULL && _convert_signal_button && this->IsWidgetLowered(RTW_BUILD_SIGNALS)) return;
00676 
00677     VpSelectTilesWithMethod(pt.x, pt.y, select_method);
00678   }
00679 
00680   virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile)
00681   {
00682     if (pt.x != -1) {
00683       switch (select_proc) {
00684         default: NOT_REACHED();
00685         case DDSP_BUILD_BRIDGE:
00686           if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00687           ShowBuildBridgeWindow(start_tile, end_tile, TRANSPORT_RAIL, _cur_railtype);
00688           break;
00689 
00690         case DDSP_PLACE_RAIL:
00691           HandleAutodirPlacement();
00692           break;
00693 
00694         case DDSP_BUILD_SIGNALS:
00695           HandleAutoSignalPlacement();
00696           break;
00697 
00698         case DDSP_DEMOLISH_AREA:
00699           GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
00700           break;
00701 
00702         case DDSP_CONVERT_RAIL:
00703           DoCommandP(end_tile, start_tile, _cur_railtype, CMD_CONVERT_RAIL | CMD_MSG(STR_ERROR_CAN_T_CONVERT_RAIL), CcPlaySound10);
00704           break;
00705 
00706         case DDSP_REMOVE_STATION:
00707         case DDSP_BUILD_STATION:
00708           if (this->IsWidgetLowered(RTW_BUILD_STATION)) {
00709             /* Station */
00710             if (_remove_button_clicked) {
00711               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);
00712             } else {
00713               HandleStationPlacement(start_tile, end_tile);
00714             }
00715           } else {
00716             /* Waypoint */
00717             if (_remove_button_clicked) {
00718               DoCommandP(end_tile, start_tile, _ctrl_pressed ? 0 : 1, CMD_REMOVE_FROM_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_REMOVE_TRAIN_WAYPOINT), CcPlaySound1E);
00719             } else {
00720               TileArea ta(start_tile, end_tile);
00721               uint32 p1 = _cur_railtype | (select_method == VPM_FIX_X ? AXIS_X : AXIS_Y) << 4 | ta.w << 8 | ta.h << 16 | _ctrl_pressed << 24;
00722               uint32 p2 = STAT_CLASS_WAYP | _cur_waypoint_type << 8 | INVALID_STATION << 16;
00723 
00724               CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_WAYPOINT), CcPlaySound1E, "" };
00725               ShowSelectWaypointIfNeeded(cmdcont, ta);
00726             }
00727           }
00728           break;
00729       }
00730     }
00731   }
00732 
00733   virtual void OnPlaceObjectAbort()
00734   {
00735     this->RaiseButtons();
00736     this->DisableWidget(RTW_REMOVE);
00737     this->SetWidgetDirty(RTW_REMOVE);
00738 
00739     DeleteWindowById(WC_BUILD_SIGNAL, TRANSPORT_RAIL);
00740     DeleteWindowById(WC_BUILD_STATION, TRANSPORT_RAIL);
00741     DeleteWindowById(WC_BUILD_DEPOT, TRANSPORT_RAIL);
00742     DeleteWindowById(WC_SELECT_STATION, 0);
00743     DeleteWindowByClass(WC_BUILD_BRIDGE);
00744   }
00745 
00746   virtual void OnPlacePresize(Point pt, TileIndex tile)
00747   {
00748     DoCommand(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, DC_AUTO, CMD_BUILD_TUNNEL);
00749     VpSetPresizeRange(tile, _build_tunnel_endtile == 0 ? tile : _build_tunnel_endtile);
00750   }
00751 
00752   virtual EventState OnCTRLStateChange()
00753   {
00754     /* do not toggle Remove button by Ctrl when placing station */
00755     if (!this->IsWidgetLowered(RTW_BUILD_STATION) && !this->IsWidgetLowered(RTW_BUILD_WAYPOINT) && RailToolbar_CtrlChanged(this)) return ES_HANDLED;
00756     return ES_NOT_HANDLED;
00757   }
00758 
00759   static Hotkey<BuildRailToolbarWindow> railtoolbar_hotkeys[];
00760 };
00761 
00762 const uint16 _railtoolbar_autorail_keys[] = {'5', 'A' | WKC_GLOBAL_HOTKEY, 0};
00763 
00764 Hotkey<BuildRailToolbarWindow> BuildRailToolbarWindow::railtoolbar_hotkeys[] = {
00765   Hotkey<BuildRailToolbarWindow>('1', "build_ns", RTW_BUILD_NS),
00766   Hotkey<BuildRailToolbarWindow>('2', "build_x", RTW_BUILD_X),
00767   Hotkey<BuildRailToolbarWindow>('3', "build_ew", RTW_BUILD_EW),
00768   Hotkey<BuildRailToolbarWindow>('4', "build_y", RTW_BUILD_Y),
00769   Hotkey<BuildRailToolbarWindow>(_railtoolbar_autorail_keys, "autorail", RTW_AUTORAIL),
00770   Hotkey<BuildRailToolbarWindow>('6', "demolish", RTW_DEMOLISH),
00771   Hotkey<BuildRailToolbarWindow>('7', "depot", RTW_BUILD_DEPOT),
00772   Hotkey<BuildRailToolbarWindow>('8', "waypoint", RTW_BUILD_WAYPOINT),
00773   Hotkey<BuildRailToolbarWindow>('9', "station", RTW_BUILD_STATION),
00774   Hotkey<BuildRailToolbarWindow>('S', "signal", RTW_BUILD_SIGNALS),
00775   Hotkey<BuildRailToolbarWindow>('B', "bridge", RTW_BUILD_BRIDGE),
00776   Hotkey<BuildRailToolbarWindow>('T', "tunnel", RTW_BUILD_TUNNEL),
00777   Hotkey<BuildRailToolbarWindow>('R', "remove", RTW_REMOVE),
00778   Hotkey<BuildRailToolbarWindow>('C', "convert", RTW_CONVERT_RAIL),
00779   HOTKEY_LIST_END(BuildRailToolbarWindow)
00780 };
00781 Hotkey<BuildRailToolbarWindow> *_railtoolbar_hotkeys = BuildRailToolbarWindow::railtoolbar_hotkeys;
00782 
00783 static const NWidgetPart _nested_build_rail_widgets[] = {
00784   NWidget(NWID_HORIZONTAL),
00785     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00786     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, RTW_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00787     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00788   EndContainer(),
00789   NWidget(NWID_HORIZONTAL),
00790     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_NS),
00791             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00792     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_X),
00793             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00794     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_EW),
00795             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_EW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00796     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_Y),
00797             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00798     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_AUTORAIL),
00799             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTORAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_AUTORAIL),
00800 
00801     NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetMinimalSize(4, 22), SetDataTip(0x0, STR_NULL), EndContainer(),
00802 
00803     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_DEMOLISH),
00804             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
00805     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_DEPOT),
00806             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DEPOT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_TRAIN_DEPOT_FOR_BUILDING),
00807     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_WAYPOINT),
00808             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_WAYPOINT, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL_TO_WAYPOINT),
00809     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_STATION),
00810             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_RAIL_STATION, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_STATION),
00811     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_SIGNALS),
00812             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_SIGNALS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_SIGNALS),
00813     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_BRIDGE),
00814             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_BRIDGE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_BRIDGE),
00815     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_TUNNEL),
00816             SetFill(0, 1), SetMinimalSize(20, 22), SetDataTip(SPR_IMG_TUNNEL_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TUNNEL),
00817     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_REMOVE),
00818             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_RAIL_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR),
00819     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_CONVERT_RAIL),
00820             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL),
00821   EndContainer(),
00822 };
00823 
00824 static const WindowDesc _build_rail_desc(
00825   WDP_ALIGN_TOOLBAR, 0, 0,
00826   WC_BUILD_TOOLBAR, WC_NONE,
00827   WDF_CONSTRUCTION,
00828   _nested_build_rail_widgets, lengthof(_nested_build_rail_widgets)
00829 );
00830 
00831 
00840 Window *ShowBuildRailToolbar(RailType railtype)
00841 {
00842   if (!Company::IsValidID(_local_company)) return NULL;
00843   if (!ValParamRailtype(railtype)) return NULL;
00844 
00845   DeleteWindowByClass(WC_BUILD_TOOLBAR);
00846   _cur_railtype = railtype;
00847   _remove_button_clicked = false;
00848   return new BuildRailToolbarWindow(&_build_rail_desc, TRANSPORT_RAIL, railtype);
00849 }
00850 
00851 EventState RailToolbarGlobalHotkeys(uint16 key, uint16 keycode)
00852 {
00853   if (!CanBuildVehicleInfrastructure(VEH_TRAIN)) return ES_NOT_HANDLED;
00854   extern RailType _last_built_railtype;
00855   int num = CheckHotkeyMatch<BuildRailToolbarWindow>(_railtoolbar_hotkeys, keycode, NULL, true);
00856   if (num == -1) return ES_NOT_HANDLED;
00857   Window *w = ShowBuildRailToolbar(_last_built_railtype);
00858   if (w == NULL) return ES_NOT_HANDLED;
00859   return w->OnKeyPress(key, keycode);
00860 }
00861 
00862 /* TODO: For custom stations, respect their allowed platforms/lengths bitmasks!
00863  * --pasky */
00864 
00865 static void HandleStationPlacement(TileIndex start, TileIndex end)
00866 {
00867   TileArea ta(start, end);
00868   uint numtracks = ta.w;
00869   uint platlength = ta.h;
00870 
00871   if (_railstation.orientation == AXIS_X) Swap(numtracks, platlength);
00872 
00873   uint32 p1 = _cur_railtype | _railstation.orientation << 4 | numtracks << 8 | platlength << 16 | _ctrl_pressed << 24;
00874   uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00875 
00876   CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00877   ShowSelectStationIfNeeded(cmdcont, ta);
00878 }
00879 
00881 enum BuildRailStationWidgets {
00882   BRSW_PLATFORM_DIR_X,       
00883   BRSW_PLATFORM_DIR_Y,       
00884 
00885   BRSW_PLATFORM_NUM_1,       
00886   BRSW_PLATFORM_NUM_2,       
00887   BRSW_PLATFORM_NUM_3,       
00888   BRSW_PLATFORM_NUM_4,       
00889   BRSW_PLATFORM_NUM_5,       
00890   BRSW_PLATFORM_NUM_6,       
00891   BRSW_PLATFORM_NUM_7,       
00892 
00893   BRSW_PLATFORM_LEN_1,       
00894   BRSW_PLATFORM_LEN_2,       
00895   BRSW_PLATFORM_LEN_3,       
00896   BRSW_PLATFORM_LEN_4,       
00897   BRSW_PLATFORM_LEN_5,       
00898   BRSW_PLATFORM_LEN_6,       
00899   BRSW_PLATFORM_LEN_7,       
00900 
00901   BRSW_PLATFORM_DRAG_N_DROP, 
00902 
00903   BRSW_HIGHLIGHT_OFF,        
00904   BRSW_HIGHLIGHT_ON,         
00905   BRSW_COVERAGE_TEXTS,       
00906 
00907   BRSW_MATRIX,               
00908   BRSW_IMAGE,                
00909   BRSW_MATRIX_SCROLL,        
00910 
00911   BRSW_SHOW_NEWST_ADDITIONS, 
00912   BRSW_SHOW_NEWST_MATRIX,    
00913   BRSW_SHOW_NEWST_RESIZE,    
00914   BRSW_SHOW_NEWST_TYPE,      
00915   BRSW_NEWST_LIST,           
00916   BRSW_NEWST_SCROLL,         
00917 
00918   BRSW_PLATFORM_NUM_BEGIN = BRSW_PLATFORM_NUM_1 - 1,
00919   BRSW_PLATFORM_LEN_BEGIN = BRSW_PLATFORM_LEN_1 - 1,
00920 };
00921 
00922 struct BuildRailStationWindow : public PickerWindowBase {
00923 private:
00924   uint line_height;     
00925   uint coverage_height; 
00926   Scrollbar *vscroll;   
00927   Scrollbar *vscroll2;  
00928 
00934   void CheckSelectedSize(const StationSpec *statspec)
00935   {
00936     if (statspec == NULL || _settings_client.gui.station_dragdrop) return;
00937 
00938     /* If current number of tracks is not allowed, make it as big as possible (which is always less than currently selected) */
00939     if (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00940       this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00941       _settings_client.gui.station_numtracks = 1;
00942       while (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00943         _settings_client.gui.station_numtracks++;
00944       }
00945       this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00946     }
00947 
00948     if (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00949       this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00950       _settings_client.gui.station_platlength = 1;
00951       while (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00952         _settings_client.gui.station_platlength++;
00953       }
00954       this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00955     }
00956   }
00957 
00958 public:
00959   BuildRailStationWindow(const WindowDesc *desc, Window *parent, bool newstation) : PickerWindowBase(parent)
00960   {
00961     this->coverage_height = 2 * FONT_HEIGHT_NORMAL + 3 * WD_PAR_VSEP_NORMAL;
00962     this->vscroll = NULL;
00963     _railstation.newstations = newstation;
00964 
00965     this->CreateNestedTree(desc);
00966     NWidgetStacked *newst_additions = this->GetWidget<NWidgetStacked>(BRSW_SHOW_NEWST_ADDITIONS);
00967     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00968     newst_additions = this->GetWidget<NWidgetStacked>(BRSW_SHOW_NEWST_MATRIX);
00969     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00970     newst_additions = this->GetWidget<NWidgetStacked>(BRSW_SHOW_NEWST_RESIZE);
00971     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00972     this->FinishInitNested(desc, TRANSPORT_RAIL);
00973 
00974     this->LowerWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
00975     if (_settings_client.gui.station_dragdrop) {
00976       this->LowerWidget(BRSW_PLATFORM_DRAG_N_DROP);
00977     } else {
00978       this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00979       this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00980     }
00981     this->SetWidgetLoweredState(BRSW_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
00982     this->SetWidgetLoweredState(BRSW_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
00983 
00984     if (!newstation || _railstation.station_class >= (int)StationClass::GetCount()) {
00985       /* New stations are not available or changed, so ensure the default station
00986        * type is 'selected'. */
00987       _railstation.station_class = STAT_CLASS_DFLT;
00988       _railstation.station_type = 0;
00989       this->vscroll2 = NULL;
00990     }
00991     if (newstation) {
00992       _railstation.station_count = StationClass::GetCount(_railstation.station_class);
00993       _railstation.station_type = min(_railstation.station_type, _railstation.station_count - 1);
00994 
00995       int count = 0;
00996       for (uint i = 0; i < StationClass::GetCount(); i++) {
00997         if (i == STAT_CLASS_WAYP) continue;
00998         count++;
00999       }
01000       this->vscroll = this->GetScrollbar(BRSW_NEWST_SCROLL);
01001       this->vscroll->SetCount(count);
01002       this->vscroll->SetCapacity(GB(this->GetWidget<NWidgetCore>(BRSW_NEWST_LIST)->widget_data, MAT_ROW_START, MAT_ROW_BITS));
01003       this->vscroll->SetPosition(Clamp(_railstation.station_class - 2, 0, max(this->vscroll->GetCount() - this->vscroll->GetCapacity(), 0)));
01004 
01005       this->vscroll2 = this->GetScrollbar(BRSW_MATRIX_SCROLL);
01006       NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(BRSW_MATRIX);
01007       matrix->SetScrollbar(this->vscroll2);
01008       matrix->SetCount(_railstation.station_count);
01009       matrix->SetClicked(_railstation.station_type);
01010     }
01011   }
01012 
01013   virtual ~BuildRailStationWindow()
01014   {
01015     DeleteWindowById(WC_SELECT_STATION, 0);
01016   }
01017 
01018   virtual void OnPaint()
01019   {
01020     bool newstations = _railstation.newstations;
01021     const StationSpec *statspec = newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01022 
01023     if (_settings_client.gui.station_dragdrop) {
01024       SetTileSelectSize(1, 1);
01025     } else {
01026       int x = _settings_client.gui.station_numtracks;
01027       int y = _settings_client.gui.station_platlength;
01028       if (_railstation.orientation == AXIS_X) Swap(x, y);
01029       if (!_remove_button_clicked) {
01030         SetTileSelectSize(x, y);
01031       }
01032     }
01033 
01034     int rad = (_settings_game.station.modified_catchment) ? CA_TRAIN : CA_UNMODIFIED;
01035 
01036     if (_settings_client.gui.station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
01037 
01038     for (uint bits = 0; bits < 7; bits++) {
01039       bool disable = bits >= _settings_game.station.station_spread;
01040       if (statspec == NULL) {
01041         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_NUM_1, disable);
01042         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_LEN_1, disable);
01043       } else {
01044         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_NUM_1, HasBit(statspec->disallowed_platforms, bits) || disable);
01045         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_LEN_1, HasBit(statspec->disallowed_lengths,   bits) || disable);
01046       }
01047     }
01048 
01049     this->DrawWidgets();
01050 
01051     /* 'Accepts' and 'Supplies' texts. */
01052     NWidgetBase *cov = this->GetWidget<NWidgetBase>(BRSW_COVERAGE_TEXTS);
01053     int top = cov->pos_y + WD_PAR_VSEP_NORMAL;
01054     int left = cov->pos_x + WD_FRAMERECT_LEFT;
01055     int right = cov->pos_x + cov->current_x - WD_FRAMERECT_RIGHT;
01056     int bottom = cov->pos_y + cov->current_y;
01057     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, false) + WD_PAR_VSEP_NORMAL;
01058     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, true) + WD_PAR_VSEP_NORMAL;
01059     /* Resize the coverage text space if the text is not equally long as the window. */
01060     if (top != bottom) {
01061       this->coverage_height += top - bottom;
01062       this->ReInit();
01063     }
01064   }
01065 
01066   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01067   {
01068     switch (widget) {
01069       case BRSW_NEWST_LIST: {
01070         Dimension d = {0, 0};
01071         for (uint i = 0; i < StationClass::GetCount(); i++) {
01072           if (i == STAT_CLASS_WAYP) continue;
01073           SetDParam(0, StationClass::GetName((StationClassID)i));
01074           d = maxdim(d, GetStringBoundingBox(STR_BLACK_STRING));
01075         }
01076         size->width = max(size->width, d.width + padding.width);
01077         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
01078         size->height = GB(this->GetWidget<NWidgetCore>(widget)->widget_data, MAT_ROW_START, MAT_ROW_BITS) * this->line_height;
01079         resize->height = this->line_height;
01080         break;
01081       }
01082 
01083       case BRSW_SHOW_NEWST_TYPE: {
01084         if (!_railstation.newstations) {
01085           size->width = 0;
01086           size->height = 0;
01087           break;
01088         }
01089 
01090         /* If newstations exist, compute the non-zero minimal size. */
01091         Dimension d = {0, 0};
01092         StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
01093         for (StationClassID statclass = STAT_CLASS_BEGIN; statclass < (StationClassID)StationClass::GetCount(); statclass++) {
01094           if (statclass == STAT_CLASS_WAYP) continue;
01095           for (uint16 j = 0; j < StationClass::GetCount(statclass); j++) {
01096             const StationSpec *statspec = StationClass::Get(statclass, j);
01097             SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01098             d = maxdim(d, GetStringBoundingBox(str));
01099           }
01100         }
01101         size->width = max(size->width, d.width + padding.width);
01102         break;
01103       }
01104 
01105       case BRSW_COVERAGE_TEXTS:
01106         size->height = this->coverage_height;
01107         break;
01108 
01109       case BRSW_MATRIX:
01110         fill->height = 1;
01111         resize->height = 1;
01112         break;
01113     }
01114   }
01115 
01116   virtual void DrawWidget(const Rect &r, int widget) const
01117   {
01118     DrawPixelInfo tmp_dpi;
01119 
01120     switch (GB(widget, 0, 16)) {
01121       case BRSW_PLATFORM_DIR_X:
01122         /* Set up a clipping area for the '/' station preview */
01123         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01124           DrawPixelInfo *old_dpi = _cur_dpi;
01125           _cur_dpi = &tmp_dpi;
01126           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_X, _railstation.station_class, _railstation.station_type)) {
01127             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2);
01128           }
01129           _cur_dpi = old_dpi;
01130         }
01131         break;
01132 
01133       case BRSW_PLATFORM_DIR_Y:
01134         /* Set up a clipping area for the '\' station preview */
01135         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01136           DrawPixelInfo *old_dpi = _cur_dpi;
01137           _cur_dpi = &tmp_dpi;
01138           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_Y, _railstation.station_class, _railstation.station_type)) {
01139             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 3);
01140           }
01141           _cur_dpi = old_dpi;
01142         }
01143         break;
01144 
01145       case BRSW_NEWST_LIST: {
01146         uint statclass = 0;
01147         uint row = 0;
01148         for (uint i = 0; i < StationClass::GetCount(); i++) {
01149           if (i == STAT_CLASS_WAYP) continue;
01150           if (this->vscroll->IsVisible(statclass)) {
01151             SetDParam(0, StationClass::GetName((StationClassID)i));
01152             DrawString(r.left + WD_MATRIX_LEFT, r.right - WD_MATRIX_RIGHT, row * this->line_height + r.top + WD_MATRIX_TOP, STR_JUST_STRING,
01153                 (StationClassID)i == _railstation.station_class ? TC_WHITE : TC_BLACK);
01154             row++;
01155           }
01156           statclass++;
01157         }
01158         break;
01159       }
01160 
01161       case BRSW_IMAGE: {
01162         byte type = GB(widget, 16, 16);
01163         assert(type < _railstation.station_count);
01164         /* Check station availability callback */
01165         const StationSpec *statspec = StationClass::Get(_railstation.station_class, type);
01166         if (statspec != NULL && HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01167             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) {
01168           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, 0, FILLRECT_CHECKER);
01169         }
01170 
01171         /* Set up a clipping area for the station preview. */
01172         if (FillDrawPixelInfo(&tmp_dpi, r.left + 1, r.top + 1, r.right - (r.left + 1) + 1, r.bottom - 1 - (r.top + 1) + 1)) {
01173           DrawPixelInfo *old_dpi = _cur_dpi;
01174           _cur_dpi = &tmp_dpi;
01175           if (!DrawStationTile(31, 29, _cur_railtype, _railstation.orientation, _railstation.station_class, type)) {
01176             StationPickerDrawSprite(31, 29, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2 + _railstation.orientation);
01177           }
01178           _cur_dpi = old_dpi;
01179         }
01180         break;
01181       }
01182     }
01183   }
01184 
01185   virtual void OnResize()
01186   {
01187     if (this->vscroll != NULL) { // New stations available.
01188       this->vscroll->SetCapacityFromWidget(this, BRSW_NEWST_LIST);
01189       this->GetWidget<NWidgetCore>(BRSW_NEWST_LIST)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
01190     }
01191   }
01192 
01193   virtual void SetStringParameters(int widget) const
01194   {
01195     if (widget == BRSW_SHOW_NEWST_TYPE) {
01196       const StationSpec *statspec = StationClass::Get(_railstation.station_class, _railstation.station_type);
01197       SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01198     }
01199   }
01200 
01201   virtual void OnClick(Point pt, int widget, int click_count)
01202   {
01203     switch (GB(widget, 0, 16)) {
01204       case BRSW_PLATFORM_DIR_X:
01205       case BRSW_PLATFORM_DIR_Y:
01206         this->RaiseWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
01207         _railstation.orientation = (Axis)(widget - BRSW_PLATFORM_DIR_X);
01208         this->LowerWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
01209         SndPlayFx(SND_15_BEEP);
01210         this->SetDirty();
01211         DeleteWindowById(WC_SELECT_STATION, 0);
01212         break;
01213 
01214       case BRSW_PLATFORM_NUM_1:
01215       case BRSW_PLATFORM_NUM_2:
01216       case BRSW_PLATFORM_NUM_3:
01217       case BRSW_PLATFORM_NUM_4:
01218       case BRSW_PLATFORM_NUM_5:
01219       case BRSW_PLATFORM_NUM_6:
01220       case BRSW_PLATFORM_NUM_7: {
01221         this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01222         this->RaiseWidget(BRSW_PLATFORM_DRAG_N_DROP);
01223 
01224         _settings_client.gui.station_numtracks = widget - BRSW_PLATFORM_NUM_BEGIN;
01225         _settings_client.gui.station_dragdrop = false;
01226 
01227         _settings_client.gui.station_dragdrop = false;
01228 
01229         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01230         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01231           /* The previously selected number of platforms in invalid */
01232           for (uint i = 0; i < 7; i++) {
01233             if (!HasBit(statspec->disallowed_lengths, i)) {
01234               this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01235               _settings_client.gui.station_platlength = i + 1;
01236               break;
01237             }
01238           }
01239         }
01240 
01241         this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01242         this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01243         SndPlayFx(SND_15_BEEP);
01244         this->SetDirty();
01245         DeleteWindowById(WC_SELECT_STATION, 0);
01246         break;
01247       }
01248 
01249       case BRSW_PLATFORM_LEN_1:
01250       case BRSW_PLATFORM_LEN_2:
01251       case BRSW_PLATFORM_LEN_3:
01252       case BRSW_PLATFORM_LEN_4:
01253       case BRSW_PLATFORM_LEN_5:
01254       case BRSW_PLATFORM_LEN_6:
01255       case BRSW_PLATFORM_LEN_7: {
01256         this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01257         this->RaiseWidget(BRSW_PLATFORM_DRAG_N_DROP);
01258 
01259         _settings_client.gui.station_platlength = widget - BRSW_PLATFORM_LEN_BEGIN;
01260         _settings_client.gui.station_dragdrop = false;
01261 
01262         _settings_client.gui.station_dragdrop = false;
01263 
01264         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01265         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01266           /* The previously selected number of tracks in invalid */
01267           for (uint i = 0; i < 7; i++) {
01268             if (!HasBit(statspec->disallowed_platforms, i)) {
01269               this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01270               _settings_client.gui.station_numtracks = i + 1;
01271               break;
01272             }
01273           }
01274         }
01275 
01276         this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01277         this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01278         SndPlayFx(SND_15_BEEP);
01279         this->SetDirty();
01280         DeleteWindowById(WC_SELECT_STATION, 0);
01281         break;
01282       }
01283 
01284       case BRSW_PLATFORM_DRAG_N_DROP: {
01285         _settings_client.gui.station_dragdrop ^= true;
01286 
01287         this->ToggleWidgetLoweredState(BRSW_PLATFORM_DRAG_N_DROP);
01288 
01289         /* get the first allowed length/number of platforms */
01290         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01291         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01292           for (uint i = 0; i < 7; i++) {
01293             if (!HasBit(statspec->disallowed_lengths, i)) {
01294               this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01295               _settings_client.gui.station_platlength = i + 1;
01296               break;
01297             }
01298           }
01299         }
01300         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01301           for (uint i = 0; i < 7; i++) {
01302             if (!HasBit(statspec->disallowed_platforms, i)) {
01303               this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01304               _settings_client.gui.station_numtracks = i + 1;
01305               break;
01306             }
01307           }
01308         }
01309 
01310         this->SetWidgetLoweredState(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN, !_settings_client.gui.station_dragdrop);
01311         this->SetWidgetLoweredState(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN, !_settings_client.gui.station_dragdrop);
01312         SndPlayFx(SND_15_BEEP);
01313         this->SetDirty();
01314         DeleteWindowById(WC_SELECT_STATION, 0);
01315         break;
01316       }
01317 
01318       case BRSW_HIGHLIGHT_OFF:
01319       case BRSW_HIGHLIGHT_ON:
01320         _settings_client.gui.station_show_coverage = (widget != BRSW_HIGHLIGHT_OFF);
01321 
01322         this->SetWidgetLoweredState(BRSW_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
01323         this->SetWidgetLoweredState(BRSW_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
01324         SndPlayFx(SND_15_BEEP);
01325         this->SetDirty();
01326         break;
01327 
01328       case BRSW_NEWST_LIST: {
01329         int y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, BRSW_NEWST_LIST, 0, this->line_height);
01330         if (y >= (int)StationClass::GetCount()) return;
01331         for (uint i = 0; i < StationClass::GetCount(); i++) {
01332           if (i == STAT_CLASS_WAYP) continue;
01333           if (y == 0) {
01334             if (_railstation.station_class != (StationClassID)i) {
01335               _railstation.station_class = (StationClassID)i;
01336               _railstation.station_count = StationClass::GetCount(_railstation.station_class);
01337               _railstation.station_type  = min((int)_railstation.station_type, max(0, (int)_railstation.station_count - 1));
01338 
01339               this->CheckSelectedSize(StationClass::Get(_railstation.station_class, _railstation.station_type));
01340 
01341               NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(BRSW_MATRIX);
01342               matrix->SetCount(_railstation.station_count);
01343               matrix->SetClicked(_railstation.station_type);
01344             }
01345             SndPlayFx(SND_15_BEEP);
01346             this->SetDirty();
01347             DeleteWindowById(WC_SELECT_STATION, 0);
01348             break;
01349           }
01350           y--;
01351         }
01352         break;
01353       }
01354 
01355       case BRSW_IMAGE: {
01356         int y = GB(widget, 16, 16);
01357         if (y >= _railstation.station_count) return;
01358 
01359         /* Check station availability callback */
01360         const StationSpec *statspec = StationClass::Get(_railstation.station_class, y);
01361         if (statspec != NULL && HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01362             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) return;
01363 
01364         _railstation.station_type = y;
01365 
01366         this->CheckSelectedSize(statspec);
01367         this->GetWidget<NWidgetMatrix>(BRSW_MATRIX)->SetClicked(_railstation.station_type);
01368 
01369         SndPlayFx(SND_15_BEEP);
01370         this->SetDirty();
01371         DeleteWindowById(WC_SELECT_STATION, 0);
01372         break;
01373       }
01374     }
01375   }
01376 
01377   virtual void OnTick()
01378   {
01379     CheckRedrawStationCoverage(this);
01380   }
01381 };
01382 
01383 static const NWidgetPart _nested_station_builder_widgets[] = {
01384   NWidget(NWID_HORIZONTAL),
01385     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01386     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_RAIL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01387   EndContainer(),
01388   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01389     NWidget(NWID_HORIZONTAL),
01390       NWidget(NWID_VERTICAL),
01391         NWidget(NWID_SELECTION, INVALID_COLOUR, BRSW_SHOW_NEWST_ADDITIONS),
01392           NWidget(NWID_HORIZONTAL), SetPIP(7, 0, 7), SetPadding(2, 0, 1, 0),
01393             NWidget(WWT_MATRIX, COLOUR_GREY, BRSW_NEWST_LIST), SetMinimalSize(122, 71), SetFill(1, 0),
01394                 SetDataTip(0x501, STR_STATION_BUILD_STATION_CLASS_TOOLTIP), SetScrollbar(BRSW_NEWST_SCROLL),
01395             NWidget(NWID_VSCROLLBAR, COLOUR_GREY, BRSW_NEWST_SCROLL),
01396           EndContainer(),
01397         EndContainer(),
01398         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_ORIENTATION, STR_NULL), SetPadding(1, 2, 0, 2),
01399         NWidget(NWID_HORIZONTAL),
01400           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01401           NWidget(WWT_PANEL, COLOUR_GREY, BRSW_PLATFORM_DIR_X), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01402           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01403           NWidget(WWT_PANEL, COLOUR_GREY, BRSW_PLATFORM_DIR_Y), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01404           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01405         EndContainer(),
01406         NWidget(WWT_LABEL, COLOUR_DARK_GREEN, BRSW_SHOW_NEWST_TYPE), SetMinimalSize(144, 11), SetDataTip(STR_ORANGE_STRING, STR_NULL), SetPadding(1, 2, 4, 2),
01407         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_NUMBER_OF_TRACKS, STR_NULL), SetPadding(0, 2, 0, 2),
01408         NWidget(NWID_HORIZONTAL),
01409           NWidget(NWID_SPACER), SetFill(1, 0),
01410           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01411           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01412           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01413           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01414           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01415           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01416           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01417           NWidget(NWID_SPACER), SetFill(1, 0),
01418         EndContainer(),
01419         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_PLATFORM_LENGTH, STR_NULL), SetPadding(2, 2, 0, 2),
01420         NWidget(NWID_HORIZONTAL),
01421           NWidget(NWID_SPACER), SetFill(1, 0),
01422           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01423           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01424           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01425           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01426           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01427           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01428           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01429           NWidget(NWID_SPACER), SetFill(1, 0),
01430         EndContainer(),
01431         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01432         NWidget(NWID_HORIZONTAL),
01433           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01434           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_DRAG_N_DROP), SetMinimalSize(75, 12), SetDataTip(STR_STATION_BUILD_DRAG_DROP, STR_STATION_BUILD_DRAG_DROP_TOOLTIP),
01435           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01436         EndContainer(),
01437         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetPadding(3, 2, 0, 2),
01438         NWidget(NWID_HORIZONTAL),
01439           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01440           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_HIGHLIGHT_OFF), SetMinimalSize(60, 12),
01441                         SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
01442           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_HIGHLIGHT_ON), SetMinimalSize(60, 12),
01443                         SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
01444           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01445         EndContainer(),
01446       EndContainer(),
01447       NWidget(NWID_SELECTION, INVALID_COLOUR, BRSW_SHOW_NEWST_MATRIX),
01448         /* We need an additional background for the matrix, as the matrix cannot handle the scrollbar due to not being an NWidgetCore. */
01449         NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetScrollbar(BRSW_MATRIX_SCROLL),
01450           NWidget(NWID_HORIZONTAL),
01451             NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, BRSW_MATRIX), SetScrollbar(BRSW_MATRIX_SCROLL), SetPIP(0, 2, 0), SetPadding(2, 0, 0, 0),
01452               NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRSW_IMAGE), SetMinimalSize(66, 60),
01453                   SetFill(0, 0), SetResize(0, 0), SetDataTip(0x0, STR_STATION_BUILD_STATION_TYPE_TOOLTIP), SetScrollbar(BRSW_MATRIX_SCROLL),
01454               EndContainer(),
01455             EndContainer(),
01456             NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, BRSW_MATRIX_SCROLL),
01457           EndContainer(),
01458         EndContainer(),
01459       EndContainer(),
01460     EndContainer(),
01461     NWidget(NWID_HORIZONTAL),
01462       NWidget(WWT_EMPTY, INVALID_COLOUR, BRSW_COVERAGE_TEXTS), SetFill(1, 1), SetResize(1, 0),
01463       NWidget(NWID_SELECTION, INVALID_COLOUR, BRSW_SHOW_NEWST_RESIZE),
01464         NWidget(NWID_VERTICAL),
01465           NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(0, 1), EndContainer(),
01466           NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01467         EndContainer(),
01468       EndContainer(),
01469     EndContainer(),
01470   EndContainer(),
01471 };
01472 
01474 static const WindowDesc _station_builder_desc(
01475   WDP_AUTO, 350, 0,
01476   WC_BUILD_STATION, WC_BUILD_TOOLBAR,
01477   WDF_CONSTRUCTION,
01478   _nested_station_builder_widgets, lengthof(_nested_station_builder_widgets)
01479 );
01480 
01482 static void ShowStationBuilder(Window *parent)
01483 {
01484   bool newstations = StationClass::GetCount() > 2 || StationClass::GetCount(STAT_CLASS_DFLT) != 1;
01485   new BuildRailStationWindow(&_station_builder_desc, parent, newstations);
01486 }
01487 
01489 enum BuildSignalWidgets {
01490   BSW_SEMAPHORE_NORM,
01491   BSW_SEMAPHORE_ENTRY,
01492   BSW_SEMAPHORE_EXIT,
01493   BSW_SEMAPHORE_COMBO,
01494   BSW_SEMAPHORE_PBS,
01495   BSW_SEMAPHORE_PBS_OWAY,
01496   BSW_ELECTRIC_NORM,
01497   BSW_ELECTRIC_ENTRY,
01498   BSW_ELECTRIC_EXIT,
01499   BSW_ELECTRIC_COMBO,
01500   BSW_ELECTRIC_PBS,
01501   BSW_ELECTRIC_PBS_OWAY,
01502   BSW_CONVERT,
01503   BSW_DRAG_SIGNALS_DENSITY,
01504   BSW_DRAG_SIGNALS_DENSITY_LABEL,
01505   BSW_DRAG_SIGNALS_DENSITY_DECREASE,
01506   BSW_DRAG_SIGNALS_DENSITY_INCREASE,
01507 };
01508 
01509 struct BuildSignalWindow : public PickerWindowBase {
01510 private:
01518   void DrawSignalSprite(byte widget_index, SpriteID image) const
01519   {
01520     /* First get the right image, which is one later for 'green' signals. */
01521     image += this->IsWidgetLowered(widget_index);
01522 
01523     /* Next get the actual sprite so we can calculate the right offsets. */
01524     const Sprite *sprite = GetSprite(image, ST_NORMAL);
01525 
01526     /* For the x offset we want the sprite to be centered, so undo the offset
01527      * for sprite drawing and add half of the sprite's width. For the y offset
01528      * we want the sprite to be aligned on the bottom, so again we undo the
01529      * offset for sprite drawing and assume it is the bottom of the sprite. */
01530     int sprite_center_x_offset = sprite->x_offs + sprite->width / 2;
01531     int sprite_bottom_y_offset = sprite->height + sprite->y_offs;
01532 
01533     /* Next we want to know where on the window to draw. Calculate the center
01534      * and the bottom of the area to draw. */
01535     const NWidgetBase *widget = this->GetWidget<NWidgetBase>(widget_index);
01536     int widget_center_x = widget->pos_x + widget->current_x / 2;
01537     int widget_bottom_y = widget->pos_y + widget->current_y - 2;
01538 
01539     /* Finally we draw the signal. */
01540     DrawSprite(image, PAL_NONE,
01541         widget_center_x - sprite_center_x_offset + this->IsWidgetLowered(widget_index),
01542         widget_bottom_y - sprite_bottom_y_offset + this->IsWidgetLowered(widget_index));
01543   }
01544 
01545 public:
01546   BuildSignalWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01547   {
01548     this->InitNested(desc, TRANSPORT_RAIL);
01549     this->OnInvalidateData();
01550   }
01551 
01552   virtual void SetStringParameters(int widget) const
01553   {
01554     switch (widget) {
01555       case BSW_DRAG_SIGNALS_DENSITY_LABEL:
01556         SetDParam(0, _settings_client.gui.drag_signals_density);
01557         break;
01558     }
01559   }
01560 
01561   virtual void DrawWidget(const Rect &r, int widget) const
01562   {
01563     if (IsInsideMM(widget, BSW_SEMAPHORE_NORM, BSW_ELECTRIC_PBS_OWAY + 1)) {
01564       /* We need to do some custom sprite widget drawing for the signals. */
01565       const SpriteID _signal_lookup[] = {
01566         SPR_IMG_SIGNAL_SEMAPHORE_NORM,  SPR_IMG_SIGNAL_SEMAPHORE_ENTRY, SPR_IMG_SIGNAL_SEMAPHORE_EXIT,
01567         SPR_IMG_SIGNAL_SEMAPHORE_COMBO, SPR_IMG_SIGNAL_SEMAPHORE_PBS,   SPR_IMG_SIGNAL_SEMAPHORE_PBS_OWAY,
01568 
01569         SPR_IMG_SIGNAL_ELECTRIC_NORM,  SPR_IMG_SIGNAL_ELECTRIC_ENTRY, SPR_IMG_SIGNAL_ELECTRIC_EXIT,
01570         SPR_IMG_SIGNAL_ELECTRIC_COMBO, SPR_IMG_SIGNAL_ELECTRIC_PBS,   SPR_IMG_SIGNAL_ELECTRIC_PBS_OWAY
01571       };
01572 
01573       this->DrawSignalSprite(widget, _signal_lookup[widget - BSW_SEMAPHORE_NORM]);
01574     }
01575   }
01576 
01577   virtual void OnClick(Point pt, int widget, int click_count)
01578   {
01579     switch (widget) {
01580       case BSW_SEMAPHORE_NORM:
01581       case BSW_SEMAPHORE_ENTRY:
01582       case BSW_SEMAPHORE_EXIT:
01583       case BSW_SEMAPHORE_COMBO:
01584       case BSW_SEMAPHORE_PBS:
01585       case BSW_SEMAPHORE_PBS_OWAY:
01586       case BSW_ELECTRIC_NORM:
01587       case BSW_ELECTRIC_ENTRY:
01588       case BSW_ELECTRIC_EXIT:
01589       case BSW_ELECTRIC_COMBO:
01590       case BSW_ELECTRIC_PBS:
01591       case BSW_ELECTRIC_PBS_OWAY:
01592         this->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01593 
01594         _cur_signal_type = (SignalType)((uint)((widget - BSW_SEMAPHORE_NORM) % (SIGTYPE_LAST + 1)));
01595         _cur_signal_variant = widget >= BSW_ELECTRIC_NORM ? SIG_ELECTRIC : SIG_SEMAPHORE;
01596         break;
01597 
01598       case BSW_CONVERT:
01599         _convert_signal_button = !_convert_signal_button;
01600         break;
01601 
01602       case BSW_DRAG_SIGNALS_DENSITY_DECREASE:
01603         if (_settings_client.gui.drag_signals_density > 1) {
01604           _settings_client.gui.drag_signals_density--;
01605           SetWindowDirty(WC_GAME_OPTIONS, 0);
01606         }
01607         break;
01608 
01609       case BSW_DRAG_SIGNALS_DENSITY_INCREASE:
01610         if (_settings_client.gui.drag_signals_density < 20) {
01611           _settings_client.gui.drag_signals_density++;
01612           SetWindowDirty(WC_GAME_OPTIONS, 0);
01613         }
01614         break;
01615 
01616       default: break;
01617     }
01618 
01619     this->InvalidateData();
01620   }
01621 
01627   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01628   {
01629     if (!gui_scope) return;
01630     this->LowerWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01631 
01632     this->SetWidgetLoweredState(BSW_CONVERT, _convert_signal_button);
01633 
01634     this->SetWidgetDisabledState(BSW_DRAG_SIGNALS_DENSITY_DECREASE, _settings_client.gui.drag_signals_density == 1);
01635     this->SetWidgetDisabledState(BSW_DRAG_SIGNALS_DENSITY_INCREASE, _settings_client.gui.drag_signals_density == 20);
01636   }
01637 };
01638 
01640 static const NWidgetPart _nested_signal_builder_widgets[] = {
01641   NWidget(NWID_HORIZONTAL),
01642     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01643     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_SIGNAL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01644   EndContainer(),
01645   NWidget(NWID_VERTICAL, NC_EQUALSIZE),
01646     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01647       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01648       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01649       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01650       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01651       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01652       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_PBS_OWAY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_OWAY_TOOLTIP), EndContainer(), SetFill(1, 1),
01653       NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, BSW_CONVERT), SetDataTip(SPR_IMG_SIGNAL_CONVERT, STR_BUILD_SIGNAL_CONVERT_TOOLTIP), SetFill(1, 1),
01654     EndContainer(),
01655     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01656       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01657       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01658       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01659       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01660       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01661       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_PBS_OWAY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_OWAY_TOOLTIP), EndContainer(), SetFill(1, 1),
01662       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_DRAG_SIGNALS_DENSITY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01663         NWidget(WWT_LABEL, COLOUR_DARK_GREEN, BSW_DRAG_SIGNALS_DENSITY_LABEL), SetDataTip(STR_ORANGE_INT, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01664         NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
01665           NWidget(NWID_SPACER), SetFill(1, 0),
01666           NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, BSW_DRAG_SIGNALS_DENSITY_DECREASE), SetMinimalSize(9, 12), SetDataTip(AWV_DECREASE, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_DECREASE_TOOLTIP),
01667           NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, BSW_DRAG_SIGNALS_DENSITY_INCREASE), SetMinimalSize(9, 12), SetDataTip(AWV_INCREASE, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_INCREASE_TOOLTIP),
01668           NWidget(NWID_SPACER), SetFill(1, 0),
01669         EndContainer(),
01670         NWidget(NWID_SPACER), SetMinimalSize(0, 2), SetFill(1, 0),
01671       EndContainer(),
01672     EndContainer(),
01673   EndContainer(),
01674 };
01675 
01677 static const WindowDesc _signal_builder_desc(
01678   WDP_AUTO, 0, 0,
01679   WC_BUILD_SIGNAL, WC_BUILD_TOOLBAR,
01680   WDF_UNCLICK_BUTTONS | WDF_CONSTRUCTION,
01681   _nested_signal_builder_widgets, lengthof(_nested_signal_builder_widgets)
01682 );
01683 
01687 static void ShowSignalBuilder(Window *parent)
01688 {
01689   new BuildSignalWindow(&_signal_builder_desc, parent);
01690 }
01691 
01693 enum BuildRailDepotWidgets {
01694   BRDW_DEPOT_NE,
01695   BRDW_DEPOT_SE,
01696   BRDW_DEPOT_SW,
01697   BRDW_DEPOT_NW,
01698 };
01699 
01700 struct BuildRailDepotWindow : public PickerWindowBase {
01701   BuildRailDepotWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01702   {
01703     this->InitNested(desc, TRANSPORT_RAIL);
01704     this->LowerWidget(_build_depot_direction + BRDW_DEPOT_NE);
01705   }
01706 
01707   virtual void DrawWidget(const Rect &r, int widget) const
01708   {
01709     if (!IsInsideMM(widget, BRDW_DEPOT_NE, BRDW_DEPOT_NW + 1)) return;
01710 
01711     DrawTrainDepotSprite(r.left - 1, r.top, widget - BRDW_DEPOT_NE + DIAGDIR_NE, _cur_railtype);
01712   }
01713 
01714   virtual void OnClick(Point pt, int widget, int click_count)
01715   {
01716     switch (widget) {
01717       case BRDW_DEPOT_NE:
01718       case BRDW_DEPOT_SE:
01719       case BRDW_DEPOT_SW:
01720       case BRDW_DEPOT_NW:
01721         this->RaiseWidget(_build_depot_direction + BRDW_DEPOT_NE);
01722         _build_depot_direction = (DiagDirection)(widget - BRDW_DEPOT_NE);
01723         this->LowerWidget(_build_depot_direction + BRDW_DEPOT_NE);
01724         SndPlayFx(SND_15_BEEP);
01725         this->SetDirty();
01726         break;
01727     }
01728   }
01729 };
01730 
01732 static const NWidgetPart _nested_build_depot_widgets[] = {
01733   NWidget(NWID_HORIZONTAL),
01734     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01735     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_DEPOT_TRAIN_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01736   EndContainer(),
01737   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01738     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01739     NWidget(NWID_HORIZONTAL_LTR),
01740       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01741       NWidget(NWID_VERTICAL),
01742         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01743         EndContainer(),
01744         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01745         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01746         EndContainer(),
01747       EndContainer(),
01748       NWidget(NWID_SPACER), SetMinimalSize(2, 0),
01749       NWidget(NWID_VERTICAL),
01750         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01751         EndContainer(),
01752         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01753         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01754         EndContainer(),
01755       EndContainer(),
01756       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01757     EndContainer(),
01758     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01759   EndContainer(),
01760 };
01761 
01762 static const WindowDesc _build_depot_desc(
01763   WDP_AUTO, 0, 0,
01764   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01765   WDF_CONSTRUCTION,
01766   _nested_build_depot_widgets, lengthof(_nested_build_depot_widgets)
01767 );
01768 
01769 static void ShowBuildTrainDepotPicker(Window *parent)
01770 {
01771   new BuildRailDepotWindow(&_build_depot_desc, parent);
01772 }
01773 
01775 enum BuildRailWaypointWidgets {
01776   BRWW_WAYPOINT_MATRIX,
01777   BRWW_WAYPOINT,
01778   BRWW_SCROLL,
01779 };
01780 
01781 struct BuildRailWaypointWindow : PickerWindowBase {
01782   BuildRailWaypointWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01783   {
01784     this->CreateNestedTree(desc);
01785 
01786     NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX);
01787     matrix->SetScrollbar(this->GetScrollbar(BRWW_SCROLL));
01788 
01789     this->FinishInitNested(desc, TRANSPORT_RAIL);
01790 
01791     matrix->SetCount(_waypoint_count);
01792     matrix->SetClicked(_cur_waypoint_type);
01793   }
01794 
01795   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01796   {
01797     switch (widget) {
01798       case BRWW_WAYPOINT_MATRIX:
01799         /* Three blobs high and wide. */
01800         size->width  += resize->width  * 2;
01801         size->height += resize->height * 2;
01802 
01803         /* Resizing in X direction only at blob size, but at pixel level in Y. */
01804         resize->height = 1;
01805         break;
01806     }
01807   }
01808 
01809   virtual void DrawWidget(const Rect &r, int widget) const
01810   {
01811     switch (GB(widget, 0, 16)) {
01812       case BRWW_WAYPOINT: {
01813         byte type = GB(widget, 16, 16);
01814         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, type);
01815         DrawWaypointSprite(r.left + TILE_PIXELS, r.bottom - TILE_PIXELS, type, _cur_railtype);
01816 
01817         if (statspec != NULL &&
01818             HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01819             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) {
01820           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, 0, FILLRECT_CHECKER);
01821         }
01822       }
01823     }
01824   }
01825 
01826   virtual void OnClick(Point pt, int widget, int click_count)
01827   {
01828     switch (GB(widget, 0, 16)) {
01829       case BRWW_WAYPOINT: {
01830         byte type = GB(widget, 16, 16);
01831         this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01832 
01833         /* Check station availability callback */
01834         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, type);
01835         if (statspec != NULL &&
01836             HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01837             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) return;
01838 
01839         _cur_waypoint_type = type;
01840         this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01841         SndPlayFx(SND_15_BEEP);
01842         this->SetDirty();
01843         break;
01844       }
01845     }
01846   }
01847 };
01848 
01850 static const NWidgetPart _nested_build_waypoint_widgets[] = {
01851   NWidget(NWID_HORIZONTAL),
01852     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01853     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_WAYPOINT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01854   EndContainer(),
01855   NWidget(NWID_HORIZONTAL),
01856     NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, BRWW_WAYPOINT_MATRIX), SetPIP(3, 2, 3), SetScrollbar(BRWW_SCROLL),
01857       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRWW_WAYPOINT), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), EndContainer(),
01858     EndContainer(),
01859     NWidget(NWID_VERTICAL),
01860       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, BRWW_SCROLL),
01861       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01862     EndContainer(),
01863   EndContainer(),
01864 };
01865 
01866 static const WindowDesc _build_waypoint_desc(
01867   WDP_AUTO, 0, 0,
01868   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01869   WDF_CONSTRUCTION,
01870   _nested_build_waypoint_widgets, lengthof(_nested_build_waypoint_widgets)
01871 );
01872 
01873 static void ShowBuildWaypointPicker(Window *parent)
01874 {
01875   new BuildRailWaypointWindow(&_build_waypoint_desc, parent);
01876 }
01877 
01881 void InitializeRailGui()
01882 {
01883   _build_depot_direction = DIAGDIR_NW;
01884 }
01885 
01890 void ReinitGuiAfterToggleElrail(bool disable)
01891 {
01892   extern RailType _last_built_railtype;
01893   if (disable && _last_built_railtype == RAILTYPE_ELECTRIC) {
01894     _last_built_railtype = _cur_railtype = RAILTYPE_RAIL;
01895     BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01896     if (w != NULL) w->ModifyRailType(_cur_railtype);
01897   }
01898   MarkWholeScreenDirty();
01899 }
01900 
01902 static void SetDefaultRailGui()
01903 {
01904   if (_local_company == COMPANY_SPECTATOR || !Company::IsValidID(_local_company)) return;
01905 
01906   extern RailType _last_built_railtype;
01907   RailType rt = (RailType)(_settings_client.gui.default_rail_type + RAILTYPE_END);
01908   if (rt == DEF_RAILTYPE_MOST_USED) {
01909     /* Find the most used rail type */
01910     RailType count[RAILTYPE_END];
01911     memset(count, 0, sizeof(count));
01912     for (TileIndex t = 0; t < MapSize(); t++) {
01913       if (IsTileType(t, MP_RAILWAY) || IsLevelCrossingTile(t) || HasStationTileRail(t) ||
01914           (IsTileType(t, MP_TUNNELBRIDGE) && GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL)) {
01915         count[GetRailType(t)]++;
01916       }
01917     }
01918 
01919     rt = RAILTYPE_RAIL;
01920     for (RailType r = RAILTYPE_ELECTRIC; r < RAILTYPE_END; r++) {
01921       if (count[r] >= count[rt]) rt = r;
01922     }
01923 
01924     /* No rail, just get the first available one */
01925     if (count[rt] == 0) rt = DEF_RAILTYPE_FIRST;
01926   }
01927   switch (rt) {
01928     case DEF_RAILTYPE_FIRST:
01929       rt = RAILTYPE_RAIL;
01930       while (rt < RAILTYPE_END && !HasRailtypeAvail(_local_company, rt)) rt++;
01931       break;
01932 
01933     case DEF_RAILTYPE_LAST:
01934       rt = GetBestRailtype(_local_company);
01935       break;
01936 
01937     default:
01938       break;
01939   }
01940 
01941   _last_built_railtype = _cur_railtype = rt;
01942   BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01943   if (w != NULL) w->ModifyRailType(_cur_railtype);
01944 }
01945 
01952 bool ResetSignalVariant(int32 p = 0)
01953 {
01954   SignalVariant new_variant = (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC);
01955 
01956   if (new_variant != _cur_signal_variant) {
01957     Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
01958     if (w != NULL) {
01959       w->SetDirty();
01960       w->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01961     }
01962     _cur_signal_variant = new_variant;
01963   }
01964 
01965   return true;
01966 }
01967 
01972 void InitializeRailGUI()
01973 {
01974   SetDefaultRailGui();
01975 
01976   _convert_signal_button = false;
01977   _cur_signal_type = _default_signal_type[_settings_client.gui.default_signal_type];
01978   ResetSignalVariant();
01979 }
01980 
01987 static bool CompareRailTypes(const DropDownListItem *first, const DropDownListItem *second)
01988 {
01989   return GetRailTypeInfo((RailType)first->result)->sorting_order < GetRailTypeInfo((RailType)second->result)->sorting_order;
01990 }
01991 
01997 DropDownList *GetRailTypeDropDownList(bool for_replacement)
01998 {
01999   RailTypes used_railtypes = RAILTYPES_NONE;
02000 
02001   /* Find the used railtypes. */
02002   Engine *e;
02003   FOR_ALL_ENGINES_OF_TYPE(e, VEH_TRAIN) {
02004     if (!HasBit(e->info.climates, _settings_game.game_creation.landscape)) continue;
02005 
02006     used_railtypes |= GetRailTypeInfo(e->u.rail.railtype)->introduces_railtypes;
02007   }
02008 
02009   /* Get the date introduced railtypes as well. */
02010   used_railtypes = AddDateIntroducedRailTypes(used_railtypes, MAX_DAY);
02011 
02012   const Company *c = Company::Get(_local_company);
02013   DropDownList *list = new DropDownList();
02014   for (RailType rt = RAILTYPE_BEGIN; rt != RAILTYPE_END; rt++) {
02015     /* If it's not used ever, don't show it to the user. */
02016     if (!HasBit(used_railtypes, rt)) continue;
02017 
02018     const RailtypeInfo *rti = GetRailTypeInfo(rt);
02019     /* Skip rail type if it has no label */
02020     if (rti->label == 0) continue;
02021 
02022     StringID str = for_replacement ? rti->strings.replace_text : (rti->max_speed > 0 ? STR_TOOLBAR_RAILTYPE_VELOCITY : STR_JUST_STRING);
02023     DropDownListParamStringItem *item = new DropDownListParamStringItem(str, rt, !HasBit(c->avail_railtypes, rt));
02024     item->SetParam(0, rti->strings.menu_text);
02025     item->SetParam(1, rti->max_speed);
02026     list->push_back(item);
02027   }
02028   list->sort(CompareRailTypes);
02029   return list;
02030 }