rail_gui.cpp

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00001 /* $Id: rail_gui.cpp 26025 2013-11-17 13:53:33Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "gui.h"
00014 #include "window_gui.h"
00015 #include "station_gui.h"
00016 #include "terraform_gui.h"
00017 #include "viewport_func.h"
00018 #include "command_func.h"
00019 #include "waypoint_func.h"
00020 #include "newgrf_station.h"
00021 #include "company_base.h"
00022 #include "strings_func.h"
00023 #include "window_func.h"
00024 #include "date_func.h"
00025 #include "sound_func.h"
00026 #include "company_func.h"
00027 #include "widgets/dropdown_type.h"
00028 #include "tunnelbridge.h"
00029 #include "tilehighlight_func.h"
00030 #include "spritecache.h"
00031 #include "core/geometry_func.hpp"
00032 #include "hotkeys.h"
00033 #include "engine_base.h"
00034 #include "vehicle_func.h"
00035 #include "zoom_func.h"
00036 
00037 #include "station_map.h"
00038 #include "tunnelbridge_map.h"
00039 
00040 #include "widgets/rail_widget.h"
00041 
00042 
00043 static RailType _cur_railtype;               
00044 static bool _remove_button_clicked;          
00045 static DiagDirection _build_depot_direction; 
00046 static byte _waypoint_count = 1;             
00047 static byte _cur_waypoint_type;              
00048 static bool _convert_signal_button;          
00049 static SignalVariant _cur_signal_variant;    
00050 static SignalType _cur_signal_type;          
00051 
00052 /* Map the setting: default_signal_type to the corresponding signal type */
00053 static const SignalType _default_signal_type[] = {SIGTYPE_NORMAL, SIGTYPE_PBS, SIGTYPE_PBS_ONEWAY};
00054 
00055 struct RailStationGUISettings {
00056   Axis orientation;                 
00057 
00058   bool newstations;                 
00059   StationClassID station_class;     
00060   byte station_type;                
00061   byte station_count;               
00062 };
00063 static RailStationGUISettings _railstation; 
00064 
00065 
00066 static void HandleStationPlacement(TileIndex start, TileIndex end);
00067 static void ShowBuildTrainDepotPicker(Window *parent);
00068 static void ShowBuildWaypointPicker(Window *parent);
00069 static void ShowStationBuilder(Window *parent);
00070 static void ShowSignalBuilder(Window *parent);
00071 
00076 static bool IsStationAvailable(const StationSpec *statspec)
00077 {
00078   if (statspec == NULL || !HasBit(statspec->callback_mask, CBM_STATION_AVAIL)) return true;
00079 
00080   uint16 cb_res = GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE);
00081   if (cb_res == CALLBACK_FAILED) return true;
00082 
00083   return Convert8bitBooleanCallback(statspec->grf_prop.grffile, CBID_STATION_AVAILABILITY, cb_res);
00084 }
00085 
00086 void CcPlaySound1E(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00087 {
00088   if (result.Succeeded() && _settings_client.sound.confirm) SndPlayTileFx(SND_20_SPLAT_2, tile);
00089 }
00090 
00091 static void GenericPlaceRail(TileIndex tile, int cmd)
00092 {
00093   DoCommandP(tile, _cur_railtype, cmd,
00094       _remove_button_clicked ?
00095       CMD_REMOVE_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00096       CMD_BUILD_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK),
00097       CcPlaySound1E);
00098 }
00099 
00107 static void PlaceExtraDepotRail(TileIndex tile, DiagDirection dir, Track track)
00108 {
00109   if (GetRailTileType(tile) != RAIL_TILE_NORMAL) return;
00110   if ((GetTrackBits(tile) & DiagdirReachesTracks(dir)) == 0) return;
00111 
00112   DoCommandP(tile, _cur_railtype, track, CMD_BUILD_SINGLE_RAIL);
00113 }
00114 
00116 static const Track _place_depot_extra_track[12] = {
00117   TRACK_LEFT,  TRACK_UPPER, TRACK_UPPER, TRACK_RIGHT, // First additional track for directions 0..3
00118   TRACK_X,     TRACK_Y,     TRACK_X,     TRACK_Y,     // Second additional track
00119   TRACK_LOWER, TRACK_LEFT,  TRACK_RIGHT, TRACK_LOWER, // Third additional track
00120 };
00121 
00123 static const DiagDirection _place_depot_extra_dir[12] = {
00124   DIAGDIR_SE, DIAGDIR_SW, DIAGDIR_SE, DIAGDIR_SW,
00125   DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_SE,
00126   DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_NW, DIAGDIR_NE,
00127 };
00128 
00129 void CcRailDepot(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00130 {
00131   if (result.Failed()) return;
00132 
00133   DiagDirection dir = (DiagDirection)p2;
00134 
00135   if (_settings_client.sound.confirm) SndPlayTileFx(SND_20_SPLAT_2, tile);
00136   if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00137 
00138   tile += TileOffsByDiagDir(dir);
00139 
00140   if (IsTileType(tile, MP_RAILWAY)) {
00141     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir], _place_depot_extra_track[dir]);
00142     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 4], _place_depot_extra_track[dir + 4]);
00143     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 8], _place_depot_extra_track[dir + 8]);
00144   }
00145 }
00146 
00151 static void PlaceRail_Waypoint(TileIndex tile)
00152 {
00153   if (_remove_button_clicked) {
00154     VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_STATION);
00155     return;
00156   }
00157 
00158   Axis axis = GetAxisForNewWaypoint(tile);
00159   if (IsValidAxis(axis)) {
00160     /* Valid tile for waypoints */
00161     VpStartPlaceSizing(tile, axis == AXIS_X ? VPM_FIX_X : VPM_FIX_Y, DDSP_BUILD_STATION);
00162   } else {
00163     /* Tile where we can't build rail waypoints. This is always going to fail,
00164      * but provides the user with a proper error message. */
00165     DoCommandP(tile, 1 << 8 | 1 << 16, STAT_CLASS_WAYP | INVALID_STATION << 16, CMD_BUILD_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_WAYPOINT));
00166   }
00167 }
00168 
00169 void CcStation(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00170 {
00171   if (result.Failed()) return;
00172 
00173   if (_settings_client.sound.confirm) SndPlayTileFx(SND_20_SPLAT_2, tile);
00174   /* Only close the station builder window if the default station and non persistent building is chosen. */
00175   if (_railstation.station_class == STAT_CLASS_DFLT && _railstation.station_type == 0 && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00176 }
00177 
00182 static void PlaceRail_Station(TileIndex tile)
00183 {
00184   if (_remove_button_clicked) {
00185     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_REMOVE_STATION);
00186     VpSetPlaceSizingLimit(-1);
00187   } else if (_settings_client.gui.station_dragdrop) {
00188     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_BUILD_STATION);
00189     VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00190   } else {
00191     uint32 p1 = _cur_railtype | _railstation.orientation << 4 | _settings_client.gui.station_numtracks << 8 | _settings_client.gui.station_platlength << 16 | _ctrl_pressed << 24;
00192     uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00193 
00194     int w = _settings_client.gui.station_numtracks;
00195     int h = _settings_client.gui.station_platlength;
00196     if (!_railstation.orientation) Swap(w, h);
00197 
00198     CommandContainer cmdcont = { tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00199     ShowSelectStationIfNeeded(cmdcont, TileArea(tile, w, h));
00200   }
00201 }
00202 
00208 static void GenericPlaceSignals(TileIndex tile)
00209 {
00210   TrackBits trackbits = TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_RAIL, 0));
00211 
00212   if (trackbits & TRACK_BIT_VERT) { // N-S direction
00213     trackbits = (_tile_fract_coords.x <= _tile_fract_coords.y) ? TRACK_BIT_RIGHT : TRACK_BIT_LEFT;
00214   }
00215 
00216   if (trackbits & TRACK_BIT_HORZ) { // E-W direction
00217     trackbits = (_tile_fract_coords.x + _tile_fract_coords.y <= 15) ? TRACK_BIT_UPPER : TRACK_BIT_LOWER;
00218   }
00219 
00220   Track track = FindFirstTrack(trackbits);
00221 
00222   if (_remove_button_clicked) {
00223     DoCommandP(tile, track, 0, CMD_REMOVE_SIGNALS | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM), CcPlaySound1E);
00224   } else {
00225     const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00226 
00227     /* Map the setting cycle_signal_types to the lower and upper allowed signal type. */
00228     static const uint cycle_bounds[] = {SIGTYPE_NORMAL | (SIGTYPE_LAST_NOPBS << 3), SIGTYPE_PBS | (SIGTYPE_LAST << 3), SIGTYPE_NORMAL | (SIGTYPE_LAST << 3)};
00229 
00230     /* various bitstuffed elements for CmdBuildSingleSignal() */
00231     uint32 p1 = track;
00232 
00233     if (w != NULL) {
00234       /* signal GUI is used */
00235       SB(p1, 3, 1, _ctrl_pressed);
00236       SB(p1, 4, 1, _cur_signal_variant);
00237       SB(p1, 5, 3, _cur_signal_type);
00238       SB(p1, 8, 1, _convert_signal_button);
00239       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00240     } else {
00241       SB(p1, 3, 1, _ctrl_pressed);
00242       SB(p1, 4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00243       SB(p1, 5, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00244       SB(p1, 8, 1, 0);
00245       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00246     }
00247 
00248     DoCommandP(tile, p1, 0, CMD_BUILD_SIGNALS |
00249         CMD_MSG((w != NULL && _convert_signal_button) ? STR_ERROR_SIGNAL_CAN_T_CONVERT_SIGNALS_HERE : STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00250         CcPlaySound1E);
00251   }
00252 }
00253 
00259 static void PlaceRail_Bridge(TileIndex tile, Window *w)
00260 {
00261   if (IsBridgeTile(tile)) {
00262     TileIndex other_tile = GetOtherTunnelBridgeEnd(tile);
00263     Point pt = {0, 0};
00264     w->OnPlaceMouseUp(VPM_X_OR_Y, DDSP_BUILD_BRIDGE, pt, tile, other_tile);
00265   } else {
00266     VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_BUILD_BRIDGE);
00267   }
00268 }
00269 
00271 void CcBuildRailTunnel(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00272 {
00273   if (result.Succeeded()) {
00274     if (_settings_client.sound.confirm) SndPlayTileFx(SND_20_SPLAT_2, tile);
00275     if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00276   } else {
00277     SetRedErrorSquare(_build_tunnel_endtile);
00278   }
00279 }
00280 
00285 static void ToggleRailButton_Remove(Window *w)
00286 {
00287   DeleteWindowById(WC_SELECT_STATION, 0);
00288   w->ToggleWidgetLoweredState(WID_RAT_REMOVE);
00289   w->SetWidgetDirty(WID_RAT_REMOVE);
00290   _remove_button_clicked = w->IsWidgetLowered(WID_RAT_REMOVE);
00291   SetSelectionRed(_remove_button_clicked);
00292 }
00293 
00299 static bool RailToolbar_CtrlChanged(Window *w)
00300 {
00301   if (w->IsWidgetDisabled(WID_RAT_REMOVE)) return false;
00302 
00303   /* allow ctrl to switch remove mode only for these widgets */
00304   for (uint i = WID_RAT_BUILD_NS; i <= WID_RAT_BUILD_STATION; i++) {
00305     if ((i <= WID_RAT_AUTORAIL || i >= WID_RAT_BUILD_WAYPOINT) && w->IsWidgetLowered(i)) {
00306       ToggleRailButton_Remove(w);
00307       return true;
00308     }
00309   }
00310 
00311   return false;
00312 }
00313 
00314 
00320 static void BuildRailClick_Remove(Window *w)
00321 {
00322   if (w->IsWidgetDisabled(WID_RAT_REMOVE)) return;
00323   ToggleRailButton_Remove(w);
00324   if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
00325 
00326   /* handle station builder */
00327   if (w->IsWidgetLowered(WID_RAT_BUILD_STATION)) {
00328     if (_remove_button_clicked) {
00329       /* starting drag & drop remove */
00330       if (!_settings_client.gui.station_dragdrop) {
00331         SetTileSelectSize(1, 1);
00332       } else {
00333         VpSetPlaceSizingLimit(-1);
00334       }
00335     } else {
00336       /* starting station build mode */
00337       if (!_settings_client.gui.station_dragdrop) {
00338         int x = _settings_client.gui.station_numtracks;
00339         int y = _settings_client.gui.station_platlength;
00340         if (_railstation.orientation == 0) Swap(x, y);
00341         SetTileSelectSize(x, y);
00342       } else {
00343         VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00344       }
00345     }
00346   }
00347 }
00348 
00349 static void DoRailroadTrack(int mode)
00350 {
00351   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), _cur_railtype | (mode << 4),
00352       _remove_button_clicked ?
00353       CMD_REMOVE_RAILROAD_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00354       CMD_BUILD_RAILROAD_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK),
00355       CcPlaySound1E);
00356 }
00357 
00358 static void HandleAutodirPlacement()
00359 {
00360   int trackstat = _thd.drawstyle & HT_DIR_MASK; // 0..5
00361 
00362   if (_thd.drawstyle & HT_RAIL) { // one tile case
00363     GenericPlaceRail(TileVirtXY(_thd.selend.x, _thd.selend.y), trackstat);
00364     return;
00365   }
00366 
00367   DoRailroadTrack(trackstat);
00368 }
00369 
00376 static void HandleAutoSignalPlacement()
00377 {
00378   uint32 p2 = GB(_thd.drawstyle, 0, 3); // 0..5
00379 
00380   if ((_thd.drawstyle & HT_DRAG_MASK) == HT_RECT) { // one tile case
00381     GenericPlaceSignals(TileVirtXY(_thd.selend.x, _thd.selend.y));
00382     return;
00383   }
00384 
00385   const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00386 
00387   if (w != NULL) {
00388     /* signal GUI is used */
00389     SB(p2,  3, 1, 0);
00390     SB(p2,  4, 1, _cur_signal_variant);
00391     SB(p2,  6, 1, _ctrl_pressed);
00392     SB(p2,  7, 3, _cur_signal_type);
00393     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00394     SB(p2, 10, 1, !_settings_client.gui.drag_signals_fixed_distance);
00395   } else {
00396     SB(p2,  3, 1, 0);
00397     SB(p2,  4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00398     SB(p2,  6, 1, _ctrl_pressed);
00399     SB(p2,  7, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00400     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00401     SB(p2, 10, 1, !_settings_client.gui.drag_signals_fixed_distance);
00402   }
00403 
00404   /* _settings_client.gui.drag_signals_density is given as a parameter such that each user
00405    * in a network game can specify his/her own signal density */
00406   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), p2,
00407       _remove_button_clicked ?
00408       CMD_REMOVE_SIGNAL_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM) :
00409       CMD_BUILD_SIGNAL_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00410       CcPlaySound1E);
00411 }
00412 
00413 
00415 struct BuildRailToolbarWindow : Window {
00416   RailType railtype;    
00417   int last_user_action; 
00418 
00419   BuildRailToolbarWindow(const WindowDesc *desc, RailType railtype) : Window()
00420   {
00421     this->InitNested(desc, TRANSPORT_RAIL);
00422     this->SetupRailToolbar(railtype);
00423     this->DisableWidget(WID_RAT_REMOVE);
00424     this->last_user_action = WIDGET_LIST_END;
00425 
00426     if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
00427   }
00428 
00429   ~BuildRailToolbarWindow()
00430   {
00431     if (_settings_client.gui.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0, false);
00432   }
00433 
00438   void SetupRailToolbar(RailType railtype)
00439   {
00440     this->railtype = railtype;
00441     const RailtypeInfo *rti = GetRailTypeInfo(railtype);
00442 
00443     assert(railtype < RAILTYPE_END);
00444     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_NS)->widget_data     = rti->gui_sprites.build_ns_rail;
00445     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_X)->widget_data      = rti->gui_sprites.build_x_rail;
00446     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_EW)->widget_data     = rti->gui_sprites.build_ew_rail;
00447     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_Y)->widget_data      = rti->gui_sprites.build_y_rail;
00448     this->GetWidget<NWidgetCore>(WID_RAT_AUTORAIL)->widget_data     = rti->gui_sprites.auto_rail;
00449     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_DEPOT)->widget_data  = rti->gui_sprites.build_depot;
00450     this->GetWidget<NWidgetCore>(WID_RAT_CONVERT_RAIL)->widget_data = rti->gui_sprites.convert_rail;
00451     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_TUNNEL)->widget_data = rti->gui_sprites.build_tunnel;
00452   }
00453 
00458   void ModifyRailType(RailType railtype)
00459   {
00460     this->SetupRailToolbar(railtype);
00461     this->ReInit();
00462   }
00463 
00464   void UpdateRemoveWidgetStatus(int clicked_widget)
00465   {
00466     switch (clicked_widget) {
00467       case WID_RAT_REMOVE:
00468         /* If it is the removal button that has been clicked, do nothing,
00469          * as it is up to the other buttons to drive removal status */
00470         return;
00471 
00472       case WID_RAT_BUILD_NS:
00473       case WID_RAT_BUILD_X:
00474       case WID_RAT_BUILD_EW:
00475       case WID_RAT_BUILD_Y:
00476       case WID_RAT_AUTORAIL:
00477       case WID_RAT_BUILD_WAYPOINT:
00478       case WID_RAT_BUILD_STATION:
00479       case WID_RAT_BUILD_SIGNALS:
00480         /* Removal button is enabled only if the rail/signal/waypoint/station
00481          * button is still lowered.  Once raised, it has to be disabled */
00482         this->SetWidgetDisabledState(WID_RAT_REMOVE, !this->IsWidgetLowered(clicked_widget));
00483         break;
00484 
00485       default:
00486         /* When any other buttons than rail/signal/waypoint/station, raise and
00487          * disable the removal button */
00488         this->DisableWidget(WID_RAT_REMOVE);
00489         this->RaiseWidget(WID_RAT_REMOVE);
00490         break;
00491     }
00492   }
00493 
00494   virtual void SetStringParameters(int widget) const
00495   {
00496     if (widget == WID_RAT_CAPTION) {
00497       const RailtypeInfo *rti = GetRailTypeInfo(this->railtype);
00498       if (rti->max_speed > 0) {
00499         SetDParam(0, STR_TOOLBAR_RAILTYPE_VELOCITY);
00500         SetDParam(1, rti->strings.toolbar_caption);
00501         SetDParam(2, rti->max_speed);
00502       } else {
00503         SetDParam(0, rti->strings.toolbar_caption);
00504       }
00505     }
00506   }
00507 
00508   virtual void OnClick(Point pt, int widget, int click_count)
00509   {
00510     if (widget < WID_RAT_BUILD_NS) return;
00511 
00512     _remove_button_clicked = false;
00513     switch (widget) {
00514       case WID_RAT_BUILD_NS:
00515         HandlePlacePushButton(this, WID_RAT_BUILD_NS, GetRailTypeInfo(_cur_railtype)->cursor.rail_ns, HT_LINE | HT_DIR_VL);
00516         this->last_user_action = widget;
00517         break;
00518 
00519       case WID_RAT_BUILD_X:
00520         HandlePlacePushButton(this, WID_RAT_BUILD_X, GetRailTypeInfo(_cur_railtype)->cursor.rail_swne, HT_LINE | HT_DIR_X);
00521         this->last_user_action = widget;
00522         break;
00523 
00524       case WID_RAT_BUILD_EW:
00525         HandlePlacePushButton(this, WID_RAT_BUILD_EW, GetRailTypeInfo(_cur_railtype)->cursor.rail_ew, HT_LINE | HT_DIR_HL);
00526         this->last_user_action = widget;
00527         break;
00528 
00529       case WID_RAT_BUILD_Y:
00530         HandlePlacePushButton(this, WID_RAT_BUILD_Y, GetRailTypeInfo(_cur_railtype)->cursor.rail_nwse, HT_LINE | HT_DIR_Y);
00531         this->last_user_action = widget;
00532         break;
00533 
00534       case WID_RAT_AUTORAIL:
00535         HandlePlacePushButton(this, WID_RAT_AUTORAIL, GetRailTypeInfo(_cur_railtype)->cursor.autorail, HT_RAIL);
00536         this->last_user_action = widget;
00537         break;
00538 
00539       case WID_RAT_DEMOLISH:
00540         HandlePlacePushButton(this, WID_RAT_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
00541         this->last_user_action = widget;
00542         break;
00543 
00544       case WID_RAT_BUILD_DEPOT:
00545         if (HandlePlacePushButton(this, WID_RAT_BUILD_DEPOT, GetRailTypeInfo(_cur_railtype)->cursor.depot, HT_RECT)) {
00546           ShowBuildTrainDepotPicker(this);
00547           this->last_user_action = widget;
00548         }
00549         break;
00550 
00551       case WID_RAT_BUILD_WAYPOINT:
00552         this->last_user_action = widget;
00553         _waypoint_count = StationClass::Get(STAT_CLASS_WAYP)->GetSpecCount();
00554         if (HandlePlacePushButton(this, WID_RAT_BUILD_WAYPOINT, SPR_CURSOR_WAYPOINT, HT_RECT) && _waypoint_count > 1) {
00555           ShowBuildWaypointPicker(this);
00556         }
00557         break;
00558 
00559       case WID_RAT_BUILD_STATION:
00560         if (HandlePlacePushButton(this, WID_RAT_BUILD_STATION, SPR_CURSOR_RAIL_STATION, HT_RECT)) {
00561           ShowStationBuilder(this);
00562           this->last_user_action = widget;
00563         }
00564         break;
00565 
00566       case WID_RAT_BUILD_SIGNALS: {
00567         this->last_user_action = widget;
00568         bool started = HandlePlacePushButton(this, WID_RAT_BUILD_SIGNALS, ANIMCURSOR_BUILDSIGNALS, HT_RECT);
00569         if (started && _settings_client.gui.enable_signal_gui != _ctrl_pressed) {
00570           ShowSignalBuilder(this);
00571         }
00572         break;
00573       }
00574 
00575       case WID_RAT_BUILD_BRIDGE:
00576         HandlePlacePushButton(this, WID_RAT_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT);
00577         this->last_user_action = widget;
00578         break;
00579 
00580       case WID_RAT_BUILD_TUNNEL:
00581         HandlePlacePushButton(this, WID_RAT_BUILD_TUNNEL, GetRailTypeInfo(_cur_railtype)->cursor.tunnel, HT_SPECIAL);
00582         this->last_user_action = widget;
00583         break;
00584 
00585       case WID_RAT_REMOVE:
00586         BuildRailClick_Remove(this);
00587         break;
00588 
00589       case WID_RAT_CONVERT_RAIL:
00590         HandlePlacePushButton(this, WID_RAT_CONVERT_RAIL, GetRailTypeInfo(_cur_railtype)->cursor.convert, HT_RECT | HT_DIAGONAL);
00591         this->last_user_action = widget;
00592         break;
00593 
00594       default: NOT_REACHED();
00595     }
00596     this->UpdateRemoveWidgetStatus(widget);
00597     if (_ctrl_pressed) RailToolbar_CtrlChanged(this);
00598   }
00599 
00600   virtual EventState OnKeyPress(WChar key, uint16 keycode)
00601   {
00602     int num = CheckHotkeyMatch(railtoolbar_hotkeys, keycode, this);
00603     if (num == -1) return ES_NOT_HANDLED;
00604     this->OnClick(Point(), num, 1);
00605     MarkTileDirtyByTile(TileVirtXY(_thd.pos.x, _thd.pos.y)); // redraw tile selection
00606     return ES_HANDLED;
00607   }
00608 
00609   virtual void OnPlaceObject(Point pt, TileIndex tile)
00610   {
00611     switch (this->last_user_action) {
00612       case WID_RAT_BUILD_NS:
00613         VpStartPlaceSizing(tile, VPM_FIX_VERTICAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00614         break;
00615 
00616       case WID_RAT_BUILD_X:
00617         VpStartPlaceSizing(tile, VPM_FIX_Y | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00618         break;
00619 
00620       case WID_RAT_BUILD_EW:
00621         VpStartPlaceSizing(tile, VPM_FIX_HORIZONTAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00622         break;
00623 
00624       case WID_RAT_BUILD_Y:
00625         VpStartPlaceSizing(tile, VPM_FIX_X | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00626         break;
00627 
00628       case WID_RAT_AUTORAIL:
00629         VpStartPlaceSizing(tile, VPM_RAILDIRS, DDSP_PLACE_RAIL);
00630         break;
00631 
00632       case WID_RAT_DEMOLISH:
00633         PlaceProc_DemolishArea(tile);
00634         break;
00635 
00636       case WID_RAT_BUILD_DEPOT:
00637         DoCommandP(tile, _cur_railtype, _build_depot_direction,
00638             CMD_BUILD_TRAIN_DEPOT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_DEPOT),
00639             CcRailDepot);
00640         break;
00641 
00642       case WID_RAT_BUILD_WAYPOINT:
00643         PlaceRail_Waypoint(tile);
00644         break;
00645 
00646       case WID_RAT_BUILD_STATION:
00647         PlaceRail_Station(tile);
00648         break;
00649 
00650       case WID_RAT_BUILD_SIGNALS:
00651         VpStartPlaceSizing(tile, VPM_SIGNALDIRS, DDSP_BUILD_SIGNALS);
00652         break;
00653 
00654       case WID_RAT_BUILD_BRIDGE:
00655         PlaceRail_Bridge(tile, this);
00656         break;
00657 
00658       case WID_RAT_BUILD_TUNNEL:
00659         DoCommandP(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, CMD_BUILD_TUNNEL | CMD_MSG(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE), CcBuildRailTunnel);
00660         break;
00661 
00662       case WID_RAT_CONVERT_RAIL:
00663         VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CONVERT_RAIL);
00664         break;
00665 
00666       default: NOT_REACHED();
00667     }
00668   }
00669 
00670   virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
00671   {
00672     /* no dragging if you have pressed the convert button */
00673     if (FindWindowById(WC_BUILD_SIGNAL, 0) != NULL && _convert_signal_button && this->IsWidgetLowered(WID_RAT_BUILD_SIGNALS)) return;
00674 
00675     VpSelectTilesWithMethod(pt.x, pt.y, select_method);
00676   }
00677 
00678   virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile)
00679   {
00680     if (pt.x != -1) {
00681       switch (select_proc) {
00682         default: NOT_REACHED();
00683         case DDSP_BUILD_BRIDGE:
00684           if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00685           ShowBuildBridgeWindow(start_tile, end_tile, TRANSPORT_RAIL, _cur_railtype);
00686           break;
00687 
00688         case DDSP_PLACE_RAIL:
00689           HandleAutodirPlacement();
00690           break;
00691 
00692         case DDSP_BUILD_SIGNALS:
00693           HandleAutoSignalPlacement();
00694           break;
00695 
00696         case DDSP_DEMOLISH_AREA:
00697           GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
00698           break;
00699 
00700         case DDSP_CONVERT_RAIL:
00701           DoCommandP(end_tile, start_tile, _cur_railtype | (_ctrl_pressed ? 0x10 : 0), CMD_CONVERT_RAIL | CMD_MSG(STR_ERROR_CAN_T_CONVERT_RAIL), CcPlaySound10);
00702           break;
00703 
00704         case DDSP_REMOVE_STATION:
00705         case DDSP_BUILD_STATION:
00706           if (this->IsWidgetLowered(WID_RAT_BUILD_STATION)) {
00707             /* Station */
00708             if (_remove_button_clicked) {
00709               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);
00710             } else {
00711               HandleStationPlacement(start_tile, end_tile);
00712             }
00713           } else {
00714             /* Waypoint */
00715             if (_remove_button_clicked) {
00716               DoCommandP(end_tile, start_tile, _ctrl_pressed ? 0 : 1, CMD_REMOVE_FROM_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_REMOVE_TRAIN_WAYPOINT), CcPlaySound1E);
00717             } else {
00718               TileArea ta(start_tile, end_tile);
00719               uint32 p1 = _cur_railtype | (select_method == VPM_FIX_X ? AXIS_X : AXIS_Y) << 4 | ta.w << 8 | ta.h << 16 | _ctrl_pressed << 24;
00720               uint32 p2 = STAT_CLASS_WAYP | _cur_waypoint_type << 8 | INVALID_STATION << 16;
00721 
00722               CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_WAYPOINT), CcPlaySound1E, "" };
00723               ShowSelectWaypointIfNeeded(cmdcont, ta);
00724             }
00725           }
00726           break;
00727       }
00728     }
00729   }
00730 
00731   virtual void OnPlaceObjectAbort()
00732   {
00733     this->RaiseButtons();
00734     this->DisableWidget(WID_RAT_REMOVE);
00735     this->SetWidgetDirty(WID_RAT_REMOVE);
00736 
00737     DeleteWindowById(WC_BUILD_SIGNAL, TRANSPORT_RAIL);
00738     DeleteWindowById(WC_BUILD_STATION, TRANSPORT_RAIL);
00739     DeleteWindowById(WC_BUILD_DEPOT, TRANSPORT_RAIL);
00740     DeleteWindowById(WC_BUILD_WAYPOINT, TRANSPORT_RAIL);
00741     DeleteWindowById(WC_SELECT_STATION, 0);
00742     DeleteWindowByClass(WC_BUILD_BRIDGE);
00743   }
00744 
00745   virtual void OnPlacePresize(Point pt, TileIndex tile)
00746   {
00747     DoCommand(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, DC_AUTO, CMD_BUILD_TUNNEL);
00748     VpSetPresizeRange(tile, _build_tunnel_endtile == 0 ? tile : _build_tunnel_endtile);
00749   }
00750 
00751   virtual EventState OnCTRLStateChange()
00752   {
00753     /* do not toggle Remove button by Ctrl when placing station */
00754     if (!this->IsWidgetLowered(WID_RAT_BUILD_STATION) && !this->IsWidgetLowered(WID_RAT_BUILD_WAYPOINT) && RailToolbar_CtrlChanged(this)) return ES_HANDLED;
00755     return ES_NOT_HANDLED;
00756   }
00757 
00758   static Hotkey<BuildRailToolbarWindow> railtoolbar_hotkeys[];
00759 };
00760 
00761 const uint16 _railtoolbar_autorail_keys[] = {'5', 'A' | WKC_GLOBAL_HOTKEY, 0};
00762 
00763 Hotkey<BuildRailToolbarWindow> BuildRailToolbarWindow::railtoolbar_hotkeys[] = {
00764   Hotkey<BuildRailToolbarWindow>('1', "build_ns", WID_RAT_BUILD_NS),
00765   Hotkey<BuildRailToolbarWindow>('2', "build_x", WID_RAT_BUILD_X),
00766   Hotkey<BuildRailToolbarWindow>('3', "build_ew", WID_RAT_BUILD_EW),
00767   Hotkey<BuildRailToolbarWindow>('4', "build_y", WID_RAT_BUILD_Y),
00768   Hotkey<BuildRailToolbarWindow>(_railtoolbar_autorail_keys, "autorail", WID_RAT_AUTORAIL),
00769   Hotkey<BuildRailToolbarWindow>('6', "demolish", WID_RAT_DEMOLISH),
00770   Hotkey<BuildRailToolbarWindow>('7', "depot", WID_RAT_BUILD_DEPOT),
00771   Hotkey<BuildRailToolbarWindow>('8', "waypoint", WID_RAT_BUILD_WAYPOINT),
00772   Hotkey<BuildRailToolbarWindow>('9', "station", WID_RAT_BUILD_STATION),
00773   Hotkey<BuildRailToolbarWindow>('S', "signal", WID_RAT_BUILD_SIGNALS),
00774   Hotkey<BuildRailToolbarWindow>('B', "bridge", WID_RAT_BUILD_BRIDGE),
00775   Hotkey<BuildRailToolbarWindow>('T', "tunnel", WID_RAT_BUILD_TUNNEL),
00776   Hotkey<BuildRailToolbarWindow>('R', "remove", WID_RAT_REMOVE),
00777   Hotkey<BuildRailToolbarWindow>('C', "convert", WID_RAT_CONVERT_RAIL),
00778   HOTKEY_LIST_END(BuildRailToolbarWindow)
00779 };
00780 Hotkey<BuildRailToolbarWindow> *_railtoolbar_hotkeys = BuildRailToolbarWindow::railtoolbar_hotkeys;
00781 
00782 static const NWidgetPart _nested_build_rail_widgets[] = {
00783   NWidget(NWID_HORIZONTAL),
00784     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00785     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_RAT_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00786     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00787   EndContainer(),
00788   NWidget(NWID_HORIZONTAL),
00789     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_NS),
00790             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00791     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_X),
00792             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00793     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_EW),
00794             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_EW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00795     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_Y),
00796             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00797     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_AUTORAIL),
00798             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTORAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_AUTORAIL),
00799 
00800     NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetMinimalSize(4, 22), SetDataTip(0x0, STR_NULL), EndContainer(),
00801 
00802     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_DEMOLISH),
00803             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
00804     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_DEPOT),
00805             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DEPOT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_TRAIN_DEPOT_FOR_BUILDING),
00806     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_WAYPOINT),
00807             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_WAYPOINT, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL_TO_WAYPOINT),
00808     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_STATION),
00809             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_RAIL_STATION, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_STATION),
00810     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_SIGNALS),
00811             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_SIGNALS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_SIGNALS),
00812     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_BRIDGE),
00813             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_BRIDGE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_BRIDGE),
00814     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_TUNNEL),
00815             SetFill(0, 1), SetMinimalSize(20, 22), SetDataTip(SPR_IMG_TUNNEL_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TUNNEL),
00816     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_REMOVE),
00817             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_RAIL_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR),
00818     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_CONVERT_RAIL),
00819             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL),
00820   EndContainer(),
00821 };
00822 
00823 static const WindowDesc _build_rail_desc(
00824   WDP_ALIGN_TOOLBAR, 0, 0,
00825   WC_BUILD_TOOLBAR, WC_NONE,
00826   WDF_CONSTRUCTION,
00827   _nested_build_rail_widgets, lengthof(_nested_build_rail_widgets)
00828 );
00829 
00830 
00839 Window *ShowBuildRailToolbar(RailType railtype)
00840 {
00841   if (!Company::IsValidID(_local_company)) return NULL;
00842   if (!ValParamRailtype(railtype)) return NULL;
00843 
00844   DeleteWindowByClass(WC_BUILD_TOOLBAR);
00845   _cur_railtype = railtype;
00846   _remove_button_clicked = false;
00847   return new BuildRailToolbarWindow(&_build_rail_desc, railtype);
00848 }
00849 
00850 EventState RailToolbarGlobalHotkeys(WChar key, uint16 keycode)
00851 {
00852   if (!CanBuildVehicleInfrastructure(VEH_TRAIN)) return ES_NOT_HANDLED;
00853   extern RailType _last_built_railtype;
00854   int num = CheckHotkeyMatch<BuildRailToolbarWindow>(_railtoolbar_hotkeys, keycode, NULL, true);
00855   if (num == -1) return ES_NOT_HANDLED;
00856   Window *w = ShowBuildRailToolbar(_last_built_railtype);
00857   if (w == NULL) return ES_NOT_HANDLED;
00858   return w->OnKeyPress(key, keycode);
00859 }
00860 
00861 /* TODO: For custom stations, respect their allowed platforms/lengths bitmasks!
00862  * --pasky */
00863 
00864 static void HandleStationPlacement(TileIndex start, TileIndex end)
00865 {
00866   TileArea ta(start, end);
00867   uint numtracks = ta.w;
00868   uint platlength = ta.h;
00869 
00870   if (_railstation.orientation == AXIS_X) Swap(numtracks, platlength);
00871 
00872   uint32 p1 = _cur_railtype | _railstation.orientation << 4 | numtracks << 8 | platlength << 16 | _ctrl_pressed << 24;
00873   uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00874 
00875   CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00876   ShowSelectStationIfNeeded(cmdcont, ta);
00877 }
00878 
00879 struct BuildRailStationWindow : public PickerWindowBase {
00880 private:
00881   uint line_height;     
00882   uint coverage_height; 
00883   Scrollbar *vscroll;   
00884   Scrollbar *vscroll2;  
00885 
00891   void CheckSelectedSize(const StationSpec *statspec)
00892   {
00893     if (statspec == NULL || _settings_client.gui.station_dragdrop) return;
00894 
00895     /* If current number of tracks is not allowed, make it as big as possible (which is always less than currently selected) */
00896     if (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00897       this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00898       _settings_client.gui.station_numtracks = 1;
00899       while (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00900         _settings_client.gui.station_numtracks++;
00901       }
00902       this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00903     }
00904 
00905     if (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00906       this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00907       _settings_client.gui.station_platlength = 1;
00908       while (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00909         _settings_client.gui.station_platlength++;
00910       }
00911       this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00912     }
00913   }
00914 
00915 public:
00916   BuildRailStationWindow(const WindowDesc *desc, Window *parent, bool newstation) : PickerWindowBase(parent)
00917   {
00918     this->coverage_height = 2 * FONT_HEIGHT_NORMAL + 3 * WD_PAR_VSEP_NORMAL;
00919     this->vscroll = NULL;
00920     _railstation.newstations = newstation;
00921 
00922     this->CreateNestedTree(desc);
00923     NWidgetStacked *newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_ADDITIONS);
00924     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00925     newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_MATRIX);
00926     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00927     newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_RESIZE);
00928     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00929     this->FinishInitNested(desc, TRANSPORT_RAIL);
00930 
00931     this->LowerWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
00932     if (_settings_client.gui.station_dragdrop) {
00933       this->LowerWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
00934     } else {
00935       this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00936       this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00937     }
00938     this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
00939     this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
00940 
00941     if (!newstation || _railstation.station_class >= (int)StationClass::GetClassCount()) {
00942       /* New stations are not available or changed, so ensure the default station
00943        * type is 'selected'. */
00944       _railstation.station_class = STAT_CLASS_DFLT;
00945       _railstation.station_type = 0;
00946       this->vscroll2 = NULL;
00947     }
00948     if (newstation) {
00949       _railstation.station_count = StationClass::Get(_railstation.station_class)->GetSpecCount();
00950       _railstation.station_type = min(_railstation.station_type, _railstation.station_count - 1);
00951 
00952       int count = 0;
00953       for (uint i = 0; i < StationClass::GetClassCount(); i++) {
00954         if (i == STAT_CLASS_WAYP) continue;
00955         count++;
00956       }
00957       this->vscroll = this->GetScrollbar(WID_BRAS_NEWST_SCROLL);
00958       this->vscroll->SetCount(count);
00959       this->vscroll->SetCapacity(GB(this->GetWidget<NWidgetCore>(WID_BRAS_NEWST_LIST)->widget_data, MAT_ROW_START, MAT_ROW_BITS));
00960       this->vscroll->SetPosition(Clamp(_railstation.station_class - 2, 0, max(this->vscroll->GetCount() - this->vscroll->GetCapacity(), 0)));
00961 
00962       this->vscroll2 = this->GetScrollbar(WID_BRAS_MATRIX_SCROLL);
00963       NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX);
00964       matrix->SetScrollbar(this->vscroll2);
00965       matrix->SetCount(_railstation.station_count);
00966       matrix->SetClicked(_railstation.station_type);
00967     }
00968   }
00969 
00970   virtual ~BuildRailStationWindow()
00971   {
00972     DeleteWindowById(WC_SELECT_STATION, 0);
00973   }
00974 
00975   virtual void OnPaint()
00976   {
00977     bool newstations = _railstation.newstations;
00978     const StationSpec *statspec = newstations ? StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type) : NULL;
00979 
00980     if (_settings_client.gui.station_dragdrop) {
00981       SetTileSelectSize(1, 1);
00982     } else {
00983       int x = _settings_client.gui.station_numtracks;
00984       int y = _settings_client.gui.station_platlength;
00985       if (_railstation.orientation == AXIS_X) Swap(x, y);
00986       if (!_remove_button_clicked) {
00987         SetTileSelectSize(x, y);
00988       }
00989     }
00990 
00991     int rad = (_settings_game.station.modified_catchment) ? CA_TRAIN : CA_UNMODIFIED;
00992 
00993     if (_settings_client.gui.station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
00994 
00995     for (uint bits = 0; bits < 7; bits++) {
00996       bool disable = bits >= _settings_game.station.station_spread;
00997       if (statspec == NULL) {
00998         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_NUM_1, disable);
00999         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_LEN_1, disable);
01000       } else {
01001         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_NUM_1, HasBit(statspec->disallowed_platforms, bits) || disable);
01002         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_LEN_1, HasBit(statspec->disallowed_lengths,   bits) || disable);
01003       }
01004     }
01005 
01006     this->DrawWidgets();
01007 
01008     /* 'Accepts' and 'Supplies' texts. */
01009     NWidgetBase *cov = this->GetWidget<NWidgetBase>(WID_BRAS_COVERAGE_TEXTS);
01010     int top = cov->pos_y + WD_PAR_VSEP_NORMAL;
01011     int left = cov->pos_x + WD_FRAMERECT_LEFT;
01012     int right = cov->pos_x + cov->current_x - WD_FRAMERECT_RIGHT;
01013     int bottom = cov->pos_y + cov->current_y;
01014     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, false) + WD_PAR_VSEP_NORMAL;
01015     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, true) + WD_PAR_VSEP_NORMAL;
01016     /* Resize background if the window is too small.
01017      * Never make the window smaller to avoid oscillating if the size change affects the acceptance.
01018      * (This is the case, if making the window bigger moves the mouse into the window.) */
01019     if (top > bottom) {
01020       this->coverage_height += top - bottom;
01021       this->ReInit();
01022     }
01023   }
01024 
01025   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01026   {
01027     switch (widget) {
01028       case WID_BRAS_NEWST_LIST: {
01029         Dimension d = {0, 0};
01030         for (uint i = 0; i < StationClass::GetClassCount(); i++) {
01031           if (i == STAT_CLASS_WAYP) continue;
01032           SetDParam(0, StationClass::Get((StationClassID)i)->name);
01033           d = maxdim(d, GetStringBoundingBox(STR_BLACK_STRING));
01034         }
01035         size->width = max(size->width, d.width + padding.width);
01036         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
01037         size->height = GB(this->GetWidget<NWidgetCore>(widget)->widget_data, MAT_ROW_START, MAT_ROW_BITS) * this->line_height;
01038         resize->height = this->line_height;
01039         break;
01040       }
01041 
01042       case WID_BRAS_SHOW_NEWST_TYPE: {
01043         if (!_railstation.newstations) {
01044           size->width = 0;
01045           size->height = 0;
01046           break;
01047         }
01048 
01049         /* If newstations exist, compute the non-zero minimal size. */
01050         Dimension d = {0, 0};
01051         StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
01052         for (StationClassID statclass = STAT_CLASS_BEGIN; statclass < (StationClassID)StationClass::GetClassCount(); statclass++) {
01053           if (statclass == STAT_CLASS_WAYP) continue;
01054           StationClass *stclass = StationClass::Get(statclass);
01055           for (uint16 j = 0; j < stclass->GetSpecCount(); j++) {
01056             const StationSpec *statspec = stclass->GetSpec(j);
01057             SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01058             d = maxdim(d, GetStringBoundingBox(str));
01059           }
01060         }
01061         size->width = max(size->width, d.width + padding.width);
01062         break;
01063       }
01064 
01065       case WID_BRAS_COVERAGE_TEXTS:
01066         size->height = this->coverage_height;
01067         break;
01068 
01069       case WID_BRAS_MATRIX:
01070         fill->height = 1;
01071         resize->height = 1;
01072         break;
01073     }
01074   }
01075 
01076   virtual void DrawWidget(const Rect &r, int widget) const
01077   {
01078     DrawPixelInfo tmp_dpi;
01079 
01080     switch (GB(widget, 0, 16)) {
01081       case WID_BRAS_PLATFORM_DIR_X:
01082         /* Set up a clipping area for the '/' station preview */
01083         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01084           DrawPixelInfo *old_dpi = _cur_dpi;
01085           _cur_dpi = &tmp_dpi;
01086           if (!DrawStationTile(32, 28, _cur_railtype, AXIS_X, _railstation.station_class, _railstation.station_type)) {
01087             StationPickerDrawSprite(32, 28, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2);
01088           }
01089           _cur_dpi = old_dpi;
01090         }
01091         break;
01092 
01093       case WID_BRAS_PLATFORM_DIR_Y:
01094         /* Set up a clipping area for the '\' station preview */
01095         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01096           DrawPixelInfo *old_dpi = _cur_dpi;
01097           _cur_dpi = &tmp_dpi;
01098           if (!DrawStationTile(32, 28, _cur_railtype, AXIS_Y, _railstation.station_class, _railstation.station_type)) {
01099             StationPickerDrawSprite(32, 28, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 3);
01100           }
01101           _cur_dpi = old_dpi;
01102         }
01103         break;
01104 
01105       case WID_BRAS_NEWST_LIST: {
01106         uint statclass = 0;
01107         uint row = 0;
01108         for (uint i = 0; i < StationClass::GetClassCount(); i++) {
01109           if (i == STAT_CLASS_WAYP) continue;
01110           if (this->vscroll->IsVisible(statclass)) {
01111             SetDParam(0, StationClass::Get((StationClassID)i)->name);
01112             DrawString(r.left + WD_MATRIX_LEFT, r.right - WD_MATRIX_RIGHT, row * this->line_height + r.top + WD_MATRIX_TOP, STR_JUST_STRING,
01113                 (StationClassID)i == _railstation.station_class ? TC_WHITE : TC_BLACK);
01114             row++;
01115           }
01116           statclass++;
01117         }
01118         break;
01119       }
01120 
01121       case WID_BRAS_IMAGE: {
01122         byte type = GB(widget, 16, 16);
01123         assert(type < _railstation.station_count);
01124         /* Check station availability callback */
01125         const StationSpec *statspec = StationClass::Get(_railstation.station_class)->GetSpec(type);
01126         if (!IsStationAvailable(statspec)) {
01127           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
01128         }
01129 
01130         /* Set up a clipping area for the station preview. */
01131         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01132           DrawPixelInfo *old_dpi = _cur_dpi;
01133           _cur_dpi = &tmp_dpi;
01134           if (!DrawStationTile(32, 28, _cur_railtype, _railstation.orientation, _railstation.station_class, type)) {
01135             StationPickerDrawSprite(32, 28, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2 + _railstation.orientation);
01136           }
01137           _cur_dpi = old_dpi;
01138         }
01139         break;
01140       }
01141     }
01142   }
01143 
01144   virtual void OnResize()
01145   {
01146     if (this->vscroll != NULL) { // New stations available.
01147       this->vscroll->SetCapacityFromWidget(this, WID_BRAS_NEWST_LIST);
01148       this->GetWidget<NWidgetCore>(WID_BRAS_NEWST_LIST)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
01149     }
01150   }
01151 
01152   virtual void SetStringParameters(int widget) const
01153   {
01154     if (widget == WID_BRAS_SHOW_NEWST_TYPE) {
01155       const StationSpec *statspec = StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type);
01156       SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01157     }
01158   }
01159 
01160   virtual void OnClick(Point pt, int widget, int click_count)
01161   {
01162     switch (GB(widget, 0, 16)) {
01163       case WID_BRAS_PLATFORM_DIR_X:
01164       case WID_BRAS_PLATFORM_DIR_Y:
01165         this->RaiseWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
01166         _railstation.orientation = (Axis)(widget - WID_BRAS_PLATFORM_DIR_X);
01167         this->LowerWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
01168         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01169         this->SetDirty();
01170         DeleteWindowById(WC_SELECT_STATION, 0);
01171         break;
01172 
01173       case WID_BRAS_PLATFORM_NUM_1:
01174       case WID_BRAS_PLATFORM_NUM_2:
01175       case WID_BRAS_PLATFORM_NUM_3:
01176       case WID_BRAS_PLATFORM_NUM_4:
01177       case WID_BRAS_PLATFORM_NUM_5:
01178       case WID_BRAS_PLATFORM_NUM_6:
01179       case WID_BRAS_PLATFORM_NUM_7: {
01180         this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01181         this->RaiseWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
01182 
01183         _settings_client.gui.station_numtracks = widget - WID_BRAS_PLATFORM_NUM_BEGIN;
01184         _settings_client.gui.station_dragdrop = false;
01185 
01186         _settings_client.gui.station_dragdrop = false;
01187 
01188         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type) : NULL;
01189         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01190           /* The previously selected number of platforms in invalid */
01191           for (uint i = 0; i < 7; i++) {
01192             if (!HasBit(statspec->disallowed_lengths, i)) {
01193               this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01194               _settings_client.gui.station_platlength = i + 1;
01195               break;
01196             }
01197           }
01198         }
01199 
01200         this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01201         this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01202         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01203         this->SetDirty();
01204         DeleteWindowById(WC_SELECT_STATION, 0);
01205         break;
01206       }
01207 
01208       case WID_BRAS_PLATFORM_LEN_1:
01209       case WID_BRAS_PLATFORM_LEN_2:
01210       case WID_BRAS_PLATFORM_LEN_3:
01211       case WID_BRAS_PLATFORM_LEN_4:
01212       case WID_BRAS_PLATFORM_LEN_5:
01213       case WID_BRAS_PLATFORM_LEN_6:
01214       case WID_BRAS_PLATFORM_LEN_7: {
01215         this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01216         this->RaiseWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
01217 
01218         _settings_client.gui.station_platlength = widget - WID_BRAS_PLATFORM_LEN_BEGIN;
01219         _settings_client.gui.station_dragdrop = false;
01220 
01221         _settings_client.gui.station_dragdrop = false;
01222 
01223         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type) : NULL;
01224         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01225           /* The previously selected number of tracks in invalid */
01226           for (uint i = 0; i < 7; i++) {
01227             if (!HasBit(statspec->disallowed_platforms, i)) {
01228               this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01229               _settings_client.gui.station_numtracks = i + 1;
01230               break;
01231             }
01232           }
01233         }
01234 
01235         this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01236         this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01237         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01238         this->SetDirty();
01239         DeleteWindowById(WC_SELECT_STATION, 0);
01240         break;
01241       }
01242 
01243       case WID_BRAS_PLATFORM_DRAG_N_DROP: {
01244         _settings_client.gui.station_dragdrop ^= true;
01245 
01246         this->ToggleWidgetLoweredState(WID_BRAS_PLATFORM_DRAG_N_DROP);
01247 
01248         /* get the first allowed length/number of platforms */
01249         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class)->GetSpec(_railstation.station_type) : NULL;
01250         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01251           for (uint i = 0; i < 7; i++) {
01252             if (!HasBit(statspec->disallowed_lengths, i)) {
01253               this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01254               _settings_client.gui.station_platlength = i + 1;
01255               break;
01256             }
01257           }
01258         }
01259         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01260           for (uint i = 0; i < 7; i++) {
01261             if (!HasBit(statspec->disallowed_platforms, i)) {
01262               this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01263               _settings_client.gui.station_numtracks = i + 1;
01264               break;
01265             }
01266           }
01267         }
01268 
01269         this->SetWidgetLoweredState(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN, !_settings_client.gui.station_dragdrop);
01270         this->SetWidgetLoweredState(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN, !_settings_client.gui.station_dragdrop);
01271         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01272         this->SetDirty();
01273         DeleteWindowById(WC_SELECT_STATION, 0);
01274         break;
01275       }
01276 
01277       case WID_BRAS_HIGHLIGHT_OFF:
01278       case WID_BRAS_HIGHLIGHT_ON:
01279         _settings_client.gui.station_show_coverage = (widget != WID_BRAS_HIGHLIGHT_OFF);
01280 
01281         this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
01282         this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
01283         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01284         this->SetDirty();
01285         break;
01286 
01287       case WID_BRAS_NEWST_LIST: {
01288         int y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_BRAS_NEWST_LIST, 0, this->line_height);
01289         if (y >= (int)StationClass::GetClassCount()) return;
01290         for (uint i = 0; i < StationClass::GetClassCount(); i++) {
01291           if (i == STAT_CLASS_WAYP) continue;
01292           if (y == 0) {
01293             if (_railstation.station_class != (StationClassID)i) {
01294               _railstation.station_class = (StationClassID)i;
01295               StationClass *stclass = StationClass::Get(_railstation.station_class);
01296               _railstation.station_count = stclass->GetSpecCount();
01297               _railstation.station_type  = min((int)_railstation.station_type, max(0, (int)_railstation.station_count - 1));
01298 
01299               this->CheckSelectedSize(stclass->GetSpec(_railstation.station_type));
01300 
01301               NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX);
01302               matrix->SetCount(_railstation.station_count);
01303               matrix->SetClicked(_railstation.station_type);
01304             }
01305             if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01306             this->SetDirty();
01307             DeleteWindowById(WC_SELECT_STATION, 0);
01308             break;
01309           }
01310           y--;
01311         }
01312         break;
01313       }
01314 
01315       case WID_BRAS_IMAGE: {
01316         int y = GB(widget, 16, 16);
01317         if (y >= _railstation.station_count) return;
01318 
01319         /* Check station availability callback */
01320         const StationSpec *statspec = StationClass::Get(_railstation.station_class)->GetSpec(y);
01321         if (!IsStationAvailable(statspec)) return;
01322 
01323         _railstation.station_type = y;
01324 
01325         this->CheckSelectedSize(statspec);
01326         this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX)->SetClicked(_railstation.station_type);
01327 
01328         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01329         this->SetDirty();
01330         DeleteWindowById(WC_SELECT_STATION, 0);
01331         break;
01332       }
01333     }
01334   }
01335 
01336   virtual void OnTick()
01337   {
01338     CheckRedrawStationCoverage(this);
01339   }
01340 };
01341 
01342 static const NWidgetPart _nested_station_builder_widgets[] = {
01343   NWidget(NWID_HORIZONTAL),
01344     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01345     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_RAIL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01346   EndContainer(),
01347   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01348     NWidget(NWID_HORIZONTAL),
01349       NWidget(NWID_VERTICAL),
01350         NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_ADDITIONS),
01351           NWidget(NWID_HORIZONTAL), SetPIP(7, 0, 7), SetPadding(2, 0, 1, 0),
01352             NWidget(WWT_MATRIX, COLOUR_GREY, WID_BRAS_NEWST_LIST), SetMinimalSize(122, 71), SetFill(1, 0),
01353                 SetDataTip(0x501, STR_STATION_BUILD_STATION_CLASS_TOOLTIP), SetScrollbar(WID_BRAS_NEWST_SCROLL),
01354             NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_BRAS_NEWST_SCROLL),
01355           EndContainer(),
01356         EndContainer(),
01357         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_ORIENTATION, STR_NULL), SetPadding(1, 2, 0, 2),
01358         NWidget(NWID_HORIZONTAL),
01359           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01360           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(),
01361           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01362           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(),
01363           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01364         EndContainer(),
01365         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),
01366         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_NUMBER_OF_TRACKS, STR_NULL), SetPadding(0, 2, 0, 2),
01367         NWidget(NWID_HORIZONTAL),
01368           NWidget(NWID_SPACER), SetFill(1, 0),
01369           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01370           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01371           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01372           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01373           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01374           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01375           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01376           NWidget(NWID_SPACER), SetFill(1, 0),
01377         EndContainer(),
01378         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_PLATFORM_LENGTH, STR_NULL), SetPadding(2, 2, 0, 2),
01379         NWidget(NWID_HORIZONTAL),
01380           NWidget(NWID_SPACER), SetFill(1, 0),
01381           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01382           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01383           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01384           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01385           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01386           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01387           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01388           NWidget(NWID_SPACER), SetFill(1, 0),
01389         EndContainer(),
01390         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01391         NWidget(NWID_HORIZONTAL),
01392           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01393           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),
01394           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01395         EndContainer(),
01396         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetPadding(3, 2, 0, 2),
01397         NWidget(NWID_HORIZONTAL),
01398           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01399           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_HIGHLIGHT_OFF), SetMinimalSize(60, 12),
01400                         SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
01401           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_HIGHLIGHT_ON), SetMinimalSize(60, 12),
01402                         SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
01403           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01404         EndContainer(),
01405       EndContainer(),
01406       NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_MATRIX),
01407         /* We need an additional background for the matrix, as the matrix cannot handle the scrollbar due to not being an NWidgetCore. */
01408         NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetScrollbar(WID_BRAS_MATRIX_SCROLL),
01409           NWidget(NWID_HORIZONTAL),
01410             NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, WID_BRAS_MATRIX), SetScrollbar(WID_BRAS_MATRIX_SCROLL), SetPIP(0, 2, 0), SetPadding(2, 0, 0, 0),
01411               NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BRAS_IMAGE), SetMinimalSize(66, 60),
01412                   SetFill(0, 0), SetResize(0, 0), SetDataTip(0x0, STR_STATION_BUILD_STATION_TYPE_TOOLTIP), SetScrollbar(WID_BRAS_MATRIX_SCROLL),
01413               EndContainer(),
01414             EndContainer(),
01415             NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_BRAS_MATRIX_SCROLL),
01416           EndContainer(),
01417         EndContainer(),
01418       EndContainer(),
01419     EndContainer(),
01420     NWidget(NWID_HORIZONTAL),
01421       NWidget(WWT_EMPTY, INVALID_COLOUR, WID_BRAS_COVERAGE_TEXTS), SetFill(1, 1), SetResize(1, 0),
01422       NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_RESIZE),
01423         NWidget(NWID_VERTICAL),
01424           NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(0, 1), EndContainer(),
01425           NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01426         EndContainer(),
01427       EndContainer(),
01428     EndContainer(),
01429   EndContainer(),
01430 };
01431 
01433 static const WindowDesc _station_builder_desc(
01434   WDP_AUTO, 350, 0,
01435   WC_BUILD_STATION, WC_BUILD_TOOLBAR,
01436   WDF_CONSTRUCTION,
01437   _nested_station_builder_widgets, lengthof(_nested_station_builder_widgets)
01438 );
01439 
01441 static void ShowStationBuilder(Window *parent)
01442 {
01443   bool newstations = StationClass::GetClassCount() > 2 || StationClass::Get(STAT_CLASS_DFLT)->GetSpecCount() != 1;
01444   new BuildRailStationWindow(&_station_builder_desc, parent, newstations);
01445 }
01446 
01447 struct BuildSignalWindow : public PickerWindowBase {
01448 private:
01449   Dimension sig_sprite_size;     
01450   int sig_sprite_bottom_offset;  
01451 
01459   void DrawSignalSprite(byte widget_index, SpriteID image) const
01460   {
01461     Point offset;
01462     Dimension sprite_size = GetSpriteSize(image, &offset);
01463     const NWidgetBase *widget = this->GetWidget<NWidgetBase>(widget_index);
01464     int x = widget->pos_x - offset.x +
01465         (widget->current_x - sprite_size.width + offset.x) / 2;  // centered
01466     int y = widget->pos_y - sig_sprite_bottom_offset + WD_IMGBTN_TOP +
01467         (widget->current_y - WD_IMGBTN_TOP - WD_IMGBTN_BOTTOM + sig_sprite_size.height) / 2; // aligned to bottom
01468 
01469     DrawSprite(image, PAL_NONE,
01470         x + this->IsWidgetLowered(widget_index),
01471         y + this->IsWidgetLowered(widget_index));
01472   }
01473 
01474 public:
01475   BuildSignalWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01476   {
01477     this->InitNested(desc, TRANSPORT_RAIL);
01478     this->OnInvalidateData();
01479   }
01480 
01481   ~BuildSignalWindow()
01482   {
01483     _convert_signal_button = false;
01484   }
01485 
01486   virtual void OnInit()
01487   {
01488     /* Calculate maximum signal sprite size. */
01489     this->sig_sprite_size.width = 0;
01490     this->sig_sprite_size.height = 0;
01491     this->sig_sprite_bottom_offset = 0;
01492     const RailtypeInfo *rti = GetRailTypeInfo(_cur_railtype);
01493     for (uint type = SIGTYPE_NORMAL; type < SIGTYPE_END; type++) {
01494       for (uint variant = SIG_ELECTRIC; variant <= SIG_SEMAPHORE; variant++) {
01495         for (uint lowered = 0; lowered < 2; lowered++) {
01496           Point offset;
01497           Dimension sprite_size = GetSpriteSize(rti->gui_sprites.signals[type][variant][lowered], &offset);
01498           this->sig_sprite_bottom_offset = max<int>(this->sig_sprite_bottom_offset, sprite_size.height);
01499           this->sig_sprite_size.width = max<int>(this->sig_sprite_size.width, sprite_size.width - offset.x);
01500           this->sig_sprite_size.height = max<int>(this->sig_sprite_size.height, sprite_size.height - offset.y);
01501         }
01502       }
01503     }
01504   }
01505 
01506   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01507   {
01508     if (widget == WID_BS_DRAG_SIGNALS_DENSITY_LABEL) {
01509       /* Two digits for signals density. */
01510       size->width = max(size->width, 2 * GetDigitWidth() + padding.width + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT);
01511     } else if (IsInsideMM(widget, WID_BS_SEMAPHORE_NORM, WID_BS_ELECTRIC_PBS_OWAY + 1)) {
01512       size->width = max(size->width, this->sig_sprite_size.width + WD_IMGBTN_LEFT + WD_IMGBTN_RIGHT);
01513       size->height = max(size->height, this->sig_sprite_size.height + WD_IMGBTN_TOP + WD_IMGBTN_BOTTOM);
01514     }
01515   }
01516 
01517   virtual void SetStringParameters(int widget) const
01518   {
01519     switch (widget) {
01520       case WID_BS_DRAG_SIGNALS_DENSITY_LABEL:
01521         SetDParam(0, _settings_client.gui.drag_signals_density);
01522         break;
01523     }
01524   }
01525 
01526   virtual void DrawWidget(const Rect &r, int widget) const
01527   {
01528     if (IsInsideMM(widget, WID_BS_SEMAPHORE_NORM, WID_BS_ELECTRIC_PBS_OWAY + 1)) {
01529       /* Extract signal from widget number. */
01530       int type = (widget - WID_BS_SEMAPHORE_NORM) % SIGTYPE_END;
01531       int var = SIG_SEMAPHORE - (widget - WID_BS_SEMAPHORE_NORM) / SIGTYPE_END; // SignalVariant order is reversed compared to the widgets.
01532       SpriteID sprite = GetRailTypeInfo(_cur_railtype)->gui_sprites.signals[type][var][this->IsWidgetLowered(widget)];
01533 
01534       this->DrawSignalSprite(widget, sprite);
01535     }
01536   }
01537 
01538   virtual void OnClick(Point pt, int widget, int click_count)
01539   {
01540     switch (widget) {
01541       case WID_BS_SEMAPHORE_NORM:
01542       case WID_BS_SEMAPHORE_ENTRY:
01543       case WID_BS_SEMAPHORE_EXIT:
01544       case WID_BS_SEMAPHORE_COMBO:
01545       case WID_BS_SEMAPHORE_PBS:
01546       case WID_BS_SEMAPHORE_PBS_OWAY:
01547       case WID_BS_ELECTRIC_NORM:
01548       case WID_BS_ELECTRIC_ENTRY:
01549       case WID_BS_ELECTRIC_EXIT:
01550       case WID_BS_ELECTRIC_COMBO:
01551       case WID_BS_ELECTRIC_PBS:
01552       case WID_BS_ELECTRIC_PBS_OWAY:
01553         this->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01554 
01555         _cur_signal_type = (SignalType)((uint)((widget - WID_BS_SEMAPHORE_NORM) % (SIGTYPE_LAST + 1)));
01556         _cur_signal_variant = widget >= WID_BS_ELECTRIC_NORM ? SIG_ELECTRIC : SIG_SEMAPHORE;
01557 
01558         /* If 'remove' button of rail build toolbar is active, disable it. */
01559         if (_remove_button_clicked) {
01560           Window *w = FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL);
01561           if (w != NULL) ToggleRailButton_Remove(w);
01562         }
01563 
01564         break;
01565 
01566       case WID_BS_CONVERT:
01567         _convert_signal_button = !_convert_signal_button;
01568         break;
01569 
01570       case WID_BS_DRAG_SIGNALS_DENSITY_DECREASE:
01571         if (_settings_client.gui.drag_signals_density > 1) {
01572           _settings_client.gui.drag_signals_density--;
01573           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_SETTINGS);
01574         }
01575         break;
01576 
01577       case WID_BS_DRAG_SIGNALS_DENSITY_INCREASE:
01578         if (_settings_client.gui.drag_signals_density < 20) {
01579           _settings_client.gui.drag_signals_density++;
01580           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_SETTINGS);
01581         }
01582         break;
01583 
01584       default: break;
01585     }
01586 
01587     this->InvalidateData();
01588   }
01589 
01595   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01596   {
01597     if (!gui_scope) return;
01598     this->LowerWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01599 
01600     this->SetWidgetLoweredState(WID_BS_CONVERT, _convert_signal_button);
01601 
01602     this->SetWidgetDisabledState(WID_BS_DRAG_SIGNALS_DENSITY_DECREASE, _settings_client.gui.drag_signals_density == 1);
01603     this->SetWidgetDisabledState(WID_BS_DRAG_SIGNALS_DENSITY_INCREASE, _settings_client.gui.drag_signals_density == 20);
01604   }
01605 };
01606 
01608 static const NWidgetPart _nested_signal_builder_widgets[] = {
01609   NWidget(NWID_HORIZONTAL),
01610     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01611     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_SIGNAL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01612   EndContainer(),
01613   NWidget(NWID_VERTICAL, NC_EQUALSIZE),
01614     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01615       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01616       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01617       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01618       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01619       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01620       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),
01621       NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_BS_CONVERT), SetDataTip(SPR_IMG_SIGNAL_CONVERT, STR_BUILD_SIGNAL_CONVERT_TOOLTIP), SetFill(1, 1),
01622     EndContainer(),
01623     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01624       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01625       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01626       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01627       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01628       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01629       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),
01630       NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01631         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),
01632         NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
01633           NWidget(NWID_SPACER), SetFill(1, 0),
01634           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),
01635           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),
01636           NWidget(NWID_SPACER), SetFill(1, 0),
01637         EndContainer(),
01638         NWidget(NWID_SPACER), SetMinimalSize(0, 2), SetFill(1, 0),
01639       EndContainer(),
01640     EndContainer(),
01641   EndContainer(),
01642 };
01643 
01645 static const WindowDesc _signal_builder_desc(
01646   WDP_AUTO, 0, 0,
01647   WC_BUILD_SIGNAL, WC_BUILD_TOOLBAR,
01648   WDF_CONSTRUCTION,
01649   _nested_signal_builder_widgets, lengthof(_nested_signal_builder_widgets)
01650 );
01651 
01655 static void ShowSignalBuilder(Window *parent)
01656 {
01657   new BuildSignalWindow(&_signal_builder_desc, parent);
01658 }
01659 
01660 struct BuildRailDepotWindow : public PickerWindowBase {
01661   BuildRailDepotWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01662   {
01663     this->InitNested(desc, TRANSPORT_RAIL);
01664     this->LowerWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01665   }
01666 
01667   virtual void DrawWidget(const Rect &r, int widget) const
01668   {
01669     if (!IsInsideMM(widget, WID_BRAD_DEPOT_NE, WID_BRAD_DEPOT_NW + 1)) return;
01670 
01671     DrawTrainDepotSprite(r.left - 1, r.top, widget - WID_BRAD_DEPOT_NE + DIAGDIR_NE, _cur_railtype);
01672   }
01673 
01674   virtual void OnClick(Point pt, int widget, int click_count)
01675   {
01676     switch (widget) {
01677       case WID_BRAD_DEPOT_NE:
01678       case WID_BRAD_DEPOT_SE:
01679       case WID_BRAD_DEPOT_SW:
01680       case WID_BRAD_DEPOT_NW:
01681         this->RaiseWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01682         _build_depot_direction = (DiagDirection)(widget - WID_BRAD_DEPOT_NE);
01683         this->LowerWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01684         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01685         this->SetDirty();
01686         break;
01687     }
01688   }
01689 };
01690 
01692 static const NWidgetPart _nested_build_depot_widgets[] = {
01693   NWidget(NWID_HORIZONTAL),
01694     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01695     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_DEPOT_TRAIN_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01696   EndContainer(),
01697   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01698     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01699     NWidget(NWID_HORIZONTAL_LTR),
01700       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01701       NWidget(NWID_VERTICAL),
01702         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01703         EndContainer(),
01704         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01705         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01706         EndContainer(),
01707       EndContainer(),
01708       NWidget(NWID_SPACER), SetMinimalSize(2, 0),
01709       NWidget(NWID_VERTICAL),
01710         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01711         EndContainer(),
01712         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01713         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01714         EndContainer(),
01715       EndContainer(),
01716       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01717     EndContainer(),
01718     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01719   EndContainer(),
01720 };
01721 
01722 static const WindowDesc _build_depot_desc(
01723   WDP_AUTO, 0, 0,
01724   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01725   WDF_CONSTRUCTION,
01726   _nested_build_depot_widgets, lengthof(_nested_build_depot_widgets)
01727 );
01728 
01729 static void ShowBuildTrainDepotPicker(Window *parent)
01730 {
01731   new BuildRailDepotWindow(&_build_depot_desc, parent);
01732 }
01733 
01734 struct BuildRailWaypointWindow : PickerWindowBase {
01735   BuildRailWaypointWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01736   {
01737     this->CreateNestedTree(desc);
01738 
01739     NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX);
01740     matrix->SetScrollbar(this->GetScrollbar(WID_BRW_SCROLL));
01741 
01742     this->FinishInitNested(desc, TRANSPORT_RAIL);
01743 
01744     matrix->SetCount(_waypoint_count);
01745     matrix->SetClicked(_cur_waypoint_type);
01746   }
01747 
01748   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01749   {
01750     switch (widget) {
01751       case WID_BRW_WAYPOINT_MATRIX:
01752         /* Three blobs high and wide. */
01753         size->width  += resize->width  * 2;
01754         size->height += resize->height * 2;
01755 
01756         /* Resizing in X direction only at blob size, but at pixel level in Y. */
01757         resize->height = 1;
01758         break;
01759     }
01760   }
01761 
01762   virtual void DrawWidget(const Rect &r, int widget) const
01763   {
01764     switch (GB(widget, 0, 16)) {
01765       case WID_BRW_WAYPOINT: {
01766         byte type = GB(widget, 16, 16);
01767         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP)->GetSpec(type);
01768         DrawWaypointSprite(r.left + TILE_PIXELS, r.bottom - TILE_PIXELS, type, _cur_railtype);
01769 
01770         if (!IsStationAvailable(statspec)) {
01771           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
01772         }
01773       }
01774     }
01775   }
01776 
01777   virtual void OnClick(Point pt, int widget, int click_count)
01778   {
01779     switch (GB(widget, 0, 16)) {
01780       case WID_BRW_WAYPOINT: {
01781         byte type = GB(widget, 16, 16);
01782         this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01783 
01784         /* Check station availability callback */
01785         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP)->GetSpec(type);
01786         if (!IsStationAvailable(statspec)) return;
01787 
01788         _cur_waypoint_type = type;
01789         this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01790         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
01791         this->SetDirty();
01792         break;
01793       }
01794     }
01795   }
01796 };
01797 
01799 static const NWidgetPart _nested_build_waypoint_widgets[] = {
01800   NWidget(NWID_HORIZONTAL),
01801     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01802     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_WAYPOINT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01803   EndContainer(),
01804   NWidget(NWID_HORIZONTAL),
01805     NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, WID_BRW_WAYPOINT_MATRIX), SetPIP(3, 2, 3), SetScrollbar(WID_BRW_SCROLL),
01806       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BRW_WAYPOINT), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), SetScrollbar(WID_BRW_SCROLL), EndContainer(),
01807     EndContainer(),
01808     NWidget(NWID_VERTICAL),
01809       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_BRW_SCROLL),
01810       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01811     EndContainer(),
01812   EndContainer(),
01813 };
01814 
01815 static const WindowDesc _build_waypoint_desc(
01816   WDP_AUTO, 0, 0,
01817   WC_BUILD_WAYPOINT, WC_BUILD_TOOLBAR,
01818   WDF_CONSTRUCTION,
01819   _nested_build_waypoint_widgets, lengthof(_nested_build_waypoint_widgets)
01820 );
01821 
01822 static void ShowBuildWaypointPicker(Window *parent)
01823 {
01824   new BuildRailWaypointWindow(&_build_waypoint_desc, parent);
01825 }
01826 
01830 void InitializeRailGui()
01831 {
01832   _build_depot_direction = DIAGDIR_NW;
01833 }
01834 
01839 void ReinitGuiAfterToggleElrail(bool disable)
01840 {
01841   extern RailType _last_built_railtype;
01842   if (disable && _last_built_railtype == RAILTYPE_ELECTRIC) {
01843     _last_built_railtype = _cur_railtype = RAILTYPE_RAIL;
01844     BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01845     if (w != NULL) w->ModifyRailType(_cur_railtype);
01846   }
01847   MarkWholeScreenDirty();
01848 }
01849 
01851 static void SetDefaultRailGui()
01852 {
01853   if (_local_company == COMPANY_SPECTATOR || !Company::IsValidID(_local_company)) return;
01854 
01855   extern RailType _last_built_railtype;
01856   RailType rt = (RailType)(_settings_client.gui.default_rail_type + RAILTYPE_END);
01857   if (rt == DEF_RAILTYPE_MOST_USED) {
01858     /* Find the most used rail type */
01859     RailType count[RAILTYPE_END];
01860     memset(count, 0, sizeof(count));
01861     for (TileIndex t = 0; t < MapSize(); t++) {
01862       if (IsTileType(t, MP_RAILWAY) || IsLevelCrossingTile(t) || HasStationTileRail(t) ||
01863           (IsTileType(t, MP_TUNNELBRIDGE) && GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL)) {
01864         count[GetRailType(t)]++;
01865       }
01866     }
01867 
01868     rt = RAILTYPE_RAIL;
01869     for (RailType r = RAILTYPE_ELECTRIC; r < RAILTYPE_END; r++) {
01870       if (count[r] >= count[rt]) rt = r;
01871     }
01872 
01873     /* No rail, just get the first available one */
01874     if (count[rt] == 0) rt = DEF_RAILTYPE_FIRST;
01875   }
01876   switch (rt) {
01877     case DEF_RAILTYPE_FIRST:
01878       rt = RAILTYPE_RAIL;
01879       while (rt < RAILTYPE_END && !HasRailtypeAvail(_local_company, rt)) rt++;
01880       break;
01881 
01882     case DEF_RAILTYPE_LAST:
01883       rt = GetBestRailtype(_local_company);
01884       break;
01885 
01886     default:
01887       break;
01888   }
01889 
01890   _last_built_railtype = _cur_railtype = rt;
01891   BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01892   if (w != NULL) w->ModifyRailType(_cur_railtype);
01893 }
01894 
01901 bool ResetSignalVariant(int32 p = 0)
01902 {
01903   SignalVariant new_variant = (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC);
01904 
01905   if (new_variant != _cur_signal_variant) {
01906     Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
01907     if (w != NULL) {
01908       w->SetDirty();
01909       w->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01910     }
01911     _cur_signal_variant = new_variant;
01912   }
01913 
01914   return true;
01915 }
01916 
01921 void InitializeRailGUI()
01922 {
01923   SetDefaultRailGui();
01924 
01925   _convert_signal_button = false;
01926   _cur_signal_type = _default_signal_type[_settings_client.gui.default_signal_type];
01927   ResetSignalVariant();
01928 }
01929 
01936 static bool CompareRailTypes(const DropDownListItem *first, const DropDownListItem *second)
01937 {
01938   return GetRailTypeInfo((RailType)first->result)->sorting_order < GetRailTypeInfo((RailType)second->result)->sorting_order;
01939 }
01940 
01946 DropDownList *GetRailTypeDropDownList(bool for_replacement)
01947 {
01948   RailTypes used_railtypes = RAILTYPES_NONE;
01949 
01950   /* Find the used railtypes. */
01951   Engine *e;
01952   FOR_ALL_ENGINES_OF_TYPE(e, VEH_TRAIN) {
01953     if (!HasBit(e->info.climates, _settings_game.game_creation.landscape)) continue;
01954 
01955     used_railtypes |= GetRailTypeInfo(e->u.rail.railtype)->introduces_railtypes;
01956   }
01957 
01958   /* Get the date introduced railtypes as well. */
01959   used_railtypes = AddDateIntroducedRailTypes(used_railtypes, MAX_DAY);
01960 
01961   const Company *c = Company::Get(_local_company);
01962   DropDownList *list = new DropDownList();
01963   for (RailType rt = RAILTYPE_BEGIN; rt != RAILTYPE_END; rt++) {
01964     /* If it's not used ever, don't show it to the user. */
01965     if (!HasBit(used_railtypes, rt)) continue;
01966 
01967     const RailtypeInfo *rti = GetRailTypeInfo(rt);
01968     /* Skip rail type if it has no label */
01969     if (rti->label == 0) continue;
01970 
01971     StringID str = for_replacement ? rti->strings.replace_text : (rti->max_speed > 0 ? STR_TOOLBAR_RAILTYPE_VELOCITY : STR_JUST_STRING);
01972     DropDownListParamStringItem *item = new DropDownListParamStringItem(str, rt, !HasBit(c->avail_railtypes, rt));
01973     item->SetParam(0, rti->strings.menu_text);
01974     item->SetParam(1, rti->max_speed);
01975     list->push_back(item);
01976   }
01977   list->sort(CompareRailTypes);
01978   return list;
01979 }