rail_gui.cpp

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00001 /* $Id: rail_gui.cpp 24603 2012-10-17 18:53:35Z 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()) 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   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   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     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   SndPlayFx(SND_15_BEEP);
00325 
00326   /* handle station builder */
00327   if (w->IsWidgetLowered(WID_RAT_BUILD_STATION)) {
00328     if (_remove_button_clicked) {
00329       /* starting drag & drop remove */
00330       if (!_settings_client.gui.station_dragdrop) {
00331         SetTileSelectSize(1, 1);
00332       } else {
00333         VpSetPlaceSizingLimit(-1);
00334       }
00335     } else {
00336       /* starting station build mode */
00337       if (!_settings_client.gui.station_dragdrop) {
00338         int x = _settings_client.gui.station_numtracks;
00339         int y = _settings_client.gui.station_platlength;
00340         if (_railstation.orientation == 0) Swap(x, y);
00341         SetTileSelectSize(x, y);
00342       } else {
00343         VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00344       }
00345     }
00346   }
00347 }
00348 
00349 static void DoRailroadTrack(int mode)
00350 {
00351   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), _cur_railtype | (mode << 4),
00352       _remove_button_clicked ?
00353       CMD_REMOVE_RAILROAD_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00354       CMD_BUILD_RAILROAD_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK));
00355 }
00356 
00357 static void HandleAutodirPlacement()
00358 {
00359   int trackstat = _thd.drawstyle & HT_DIR_MASK; // 0..5
00360 
00361   if (_thd.drawstyle & HT_RAIL) { // one tile case
00362     GenericPlaceRail(TileVirtXY(_thd.selend.x, _thd.selend.y), trackstat);
00363     return;
00364   }
00365 
00366   DoRailroadTrack(trackstat);
00367 }
00368 
00375 static void HandleAutoSignalPlacement()
00376 {
00377   uint32 p2 = GB(_thd.drawstyle, 0, 3); // 0..5
00378 
00379   if ((_thd.drawstyle & HT_DRAG_MASK) == HT_RECT) { // one tile case
00380     GenericPlaceSignals(TileVirtXY(_thd.selend.x, _thd.selend.y));
00381     return;
00382   }
00383 
00384   const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00385 
00386   if (w != NULL) {
00387     /* signal GUI is used */
00388     SB(p2,  3, 1, 0);
00389     SB(p2,  4, 1, _cur_signal_variant);
00390     SB(p2,  6, 1, _ctrl_pressed);
00391     SB(p2,  7, 3, _cur_signal_type);
00392     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00393   } else {
00394     SB(p2,  3, 1, 0);
00395     SB(p2,  4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00396     SB(p2,  6, 1, _ctrl_pressed);
00397     SB(p2,  7, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00398     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00399   }
00400 
00401   /* _settings_client.gui.drag_signals_density is given as a parameter such that each user
00402    * in a network game can specify his/her own signal density */
00403   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), p2,
00404       _remove_button_clicked ?
00405       CMD_REMOVE_SIGNAL_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM) :
00406       CMD_BUILD_SIGNAL_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00407       CcPlaySound1E);
00408 }
00409 
00410 
00412 struct BuildRailToolbarWindow : Window {
00413   RailType railtype;    
00414   int last_user_action; 
00415 
00416   BuildRailToolbarWindow(const WindowDesc *desc, RailType railtype) : Window()
00417   {
00418     this->InitNested(desc, TRANSPORT_RAIL);
00419     this->SetupRailToolbar(railtype);
00420     this->DisableWidget(WID_RAT_REMOVE);
00421     this->last_user_action = WIDGET_LIST_END;
00422 
00423     if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
00424   }
00425 
00426   ~BuildRailToolbarWindow()
00427   {
00428     if (_settings_client.gui.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0, false);
00429   }
00430 
00435   void SetupRailToolbar(RailType railtype)
00436   {
00437     this->railtype = railtype;
00438     const RailtypeInfo *rti = GetRailTypeInfo(railtype);
00439 
00440     assert(railtype < RAILTYPE_END);
00441     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_NS)->widget_data     = rti->gui_sprites.build_ns_rail;
00442     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_X)->widget_data      = rti->gui_sprites.build_x_rail;
00443     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_EW)->widget_data     = rti->gui_sprites.build_ew_rail;
00444     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_Y)->widget_data      = rti->gui_sprites.build_y_rail;
00445     this->GetWidget<NWidgetCore>(WID_RAT_AUTORAIL)->widget_data     = rti->gui_sprites.auto_rail;
00446     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_DEPOT)->widget_data  = rti->gui_sprites.build_depot;
00447     this->GetWidget<NWidgetCore>(WID_RAT_CONVERT_RAIL)->widget_data = rti->gui_sprites.convert_rail;
00448     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_TUNNEL)->widget_data = rti->gui_sprites.build_tunnel;
00449   }
00450 
00455   void ModifyRailType(RailType railtype)
00456   {
00457     this->SetupRailToolbar(railtype);
00458     this->ReInit();
00459   }
00460 
00461   void UpdateRemoveWidgetStatus(int clicked_widget)
00462   {
00463     switch (clicked_widget) {
00464       case WID_RAT_REMOVE:
00465         /* If it is the removal button that has been clicked, do nothing,
00466          * as it is up to the other buttons to drive removal status */
00467         return;
00468 
00469       case WID_RAT_BUILD_NS:
00470       case WID_RAT_BUILD_X:
00471       case WID_RAT_BUILD_EW:
00472       case WID_RAT_BUILD_Y:
00473       case WID_RAT_AUTORAIL:
00474       case WID_RAT_BUILD_WAYPOINT:
00475       case WID_RAT_BUILD_STATION:
00476       case WID_RAT_BUILD_SIGNALS:
00477         /* Removal button is enabled only if the rail/signal/waypoint/station
00478          * button is still lowered.  Once raised, it has to be disabled */
00479         this->SetWidgetDisabledState(WID_RAT_REMOVE, !this->IsWidgetLowered(clicked_widget));
00480         break;
00481 
00482       default:
00483         /* When any other buttons than rail/signal/waypoint/station, raise and
00484          * disable the removal button */
00485         this->DisableWidget(WID_RAT_REMOVE);
00486         this->RaiseWidget(WID_RAT_REMOVE);
00487         break;
00488     }
00489   }
00490 
00491   virtual void SetStringParameters(int widget) const
00492   {
00493     if (widget == WID_RAT_CAPTION) {
00494       const RailtypeInfo *rti = GetRailTypeInfo(this->railtype);
00495       if (rti->max_speed > 0) {
00496         SetDParam(0, STR_TOOLBAR_RAILTYPE_VELOCITY);
00497         SetDParam(1, rti->strings.toolbar_caption);
00498         SetDParam(2, rti->max_speed);
00499       } else {
00500         SetDParam(0, rti->strings.toolbar_caption);
00501       }
00502     }
00503   }
00504 
00505   virtual void OnClick(Point pt, int widget, int click_count)
00506   {
00507     if (widget < WID_RAT_BUILD_NS) return;
00508 
00509     _remove_button_clicked = false;
00510     switch (widget) {
00511       case WID_RAT_BUILD_NS:
00512         HandlePlacePushButton(this, WID_RAT_BUILD_NS, GetRailTypeInfo(_cur_railtype)->cursor.rail_ns, HT_LINE | HT_DIR_VL);
00513         this->last_user_action = widget;
00514         break;
00515 
00516       case WID_RAT_BUILD_X:
00517         HandlePlacePushButton(this, WID_RAT_BUILD_X, GetRailTypeInfo(_cur_railtype)->cursor.rail_swne, HT_LINE | HT_DIR_X);
00518         this->last_user_action = widget;
00519         break;
00520 
00521       case WID_RAT_BUILD_EW:
00522         HandlePlacePushButton(this, WID_RAT_BUILD_EW, GetRailTypeInfo(_cur_railtype)->cursor.rail_ew, HT_LINE | HT_DIR_HL);
00523         this->last_user_action = widget;
00524         break;
00525 
00526       case WID_RAT_BUILD_Y:
00527         HandlePlacePushButton(this, WID_RAT_BUILD_Y, GetRailTypeInfo(_cur_railtype)->cursor.rail_nwse, HT_LINE | HT_DIR_Y);
00528         this->last_user_action = widget;
00529         break;
00530 
00531       case WID_RAT_AUTORAIL:
00532         HandlePlacePushButton(this, WID_RAT_AUTORAIL, GetRailTypeInfo(_cur_railtype)->cursor.autorail, HT_RAIL);
00533         this->last_user_action = widget;
00534         break;
00535 
00536       case WID_RAT_DEMOLISH:
00537         HandlePlacePushButton(this, WID_RAT_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
00538         this->last_user_action = widget;
00539         break;
00540 
00541       case WID_RAT_BUILD_DEPOT:
00542         if (HandlePlacePushButton(this, WID_RAT_BUILD_DEPOT, GetRailTypeInfo(_cur_railtype)->cursor.depot, HT_RECT)) {
00543           ShowBuildTrainDepotPicker(this);
00544           this->last_user_action = widget;
00545         }
00546         break;
00547 
00548       case WID_RAT_BUILD_WAYPOINT:
00549         this->last_user_action = widget;
00550         _waypoint_count = StationClass::GetCount(STAT_CLASS_WAYP);
00551         if (HandlePlacePushButton(this, WID_RAT_BUILD_WAYPOINT, SPR_CURSOR_WAYPOINT, HT_RECT) && _waypoint_count > 1) {
00552           ShowBuildWaypointPicker(this);
00553         }
00554         break;
00555 
00556       case WID_RAT_BUILD_STATION:
00557         if (HandlePlacePushButton(this, WID_RAT_BUILD_STATION, SPR_CURSOR_RAIL_STATION, HT_RECT)) {
00558           ShowStationBuilder(this);
00559           this->last_user_action = widget;
00560         }
00561         break;
00562 
00563       case WID_RAT_BUILD_SIGNALS: {
00564         this->last_user_action = widget;
00565         bool started = HandlePlacePushButton(this, WID_RAT_BUILD_SIGNALS, ANIMCURSOR_BUILDSIGNALS, HT_RECT);
00566         if (started && _settings_client.gui.enable_signal_gui != _ctrl_pressed) {
00567           ShowSignalBuilder(this);
00568         }
00569         break;
00570       }
00571 
00572       case WID_RAT_BUILD_BRIDGE:
00573         HandlePlacePushButton(this, WID_RAT_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT);
00574         this->last_user_action = widget;
00575         break;
00576 
00577       case WID_RAT_BUILD_TUNNEL:
00578         HandlePlacePushButton(this, WID_RAT_BUILD_TUNNEL, GetRailTypeInfo(_cur_railtype)->cursor.tunnel, HT_SPECIAL);
00579         this->last_user_action = widget;
00580         break;
00581 
00582       case WID_RAT_REMOVE:
00583         BuildRailClick_Remove(this);
00584         break;
00585 
00586       case WID_RAT_CONVERT_RAIL:
00587         HandlePlacePushButton(this, WID_RAT_CONVERT_RAIL, GetRailTypeInfo(_cur_railtype)->cursor.convert, HT_RECT | HT_DIAGONAL);
00588         this->last_user_action = widget;
00589         break;
00590 
00591       default: NOT_REACHED();
00592     }
00593     this->UpdateRemoveWidgetStatus(widget);
00594     if (_ctrl_pressed) RailToolbar_CtrlChanged(this);
00595   }
00596 
00597   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
00598   {
00599     int num = CheckHotkeyMatch(railtoolbar_hotkeys, keycode, this);
00600     if (num == -1) return ES_NOT_HANDLED;
00601     this->OnClick(Point(), num, 1);
00602     MarkTileDirtyByTile(TileVirtXY(_thd.pos.x, _thd.pos.y)); // redraw tile selection
00603     return ES_HANDLED;
00604   }
00605 
00606   virtual void OnPlaceObject(Point pt, TileIndex tile)
00607   {
00608     switch (this->last_user_action) {
00609       case WID_RAT_BUILD_NS:
00610         VpStartPlaceSizing(tile, VPM_FIX_VERTICAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00611         break;
00612 
00613       case WID_RAT_BUILD_X:
00614         VpStartPlaceSizing(tile, VPM_FIX_Y | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00615         break;
00616 
00617       case WID_RAT_BUILD_EW:
00618         VpStartPlaceSizing(tile, VPM_FIX_HORIZONTAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00619         break;
00620 
00621       case WID_RAT_BUILD_Y:
00622         VpStartPlaceSizing(tile, VPM_FIX_X | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00623         break;
00624 
00625       case WID_RAT_AUTORAIL:
00626         VpStartPlaceSizing(tile, VPM_RAILDIRS, DDSP_PLACE_RAIL);
00627         break;
00628 
00629       case WID_RAT_DEMOLISH:
00630         PlaceProc_DemolishArea(tile);
00631         break;
00632 
00633       case WID_RAT_BUILD_DEPOT:
00634         DoCommandP(tile, _cur_railtype, _build_depot_direction,
00635             CMD_BUILD_TRAIN_DEPOT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_DEPOT),
00636             CcRailDepot);
00637         break;
00638 
00639       case WID_RAT_BUILD_WAYPOINT:
00640         PlaceRail_Waypoint(tile);
00641         break;
00642 
00643       case WID_RAT_BUILD_STATION:
00644         PlaceRail_Station(tile);
00645         break;
00646 
00647       case WID_RAT_BUILD_SIGNALS:
00648         VpStartPlaceSizing(tile, VPM_SIGNALDIRS, DDSP_BUILD_SIGNALS);
00649         break;
00650 
00651       case WID_RAT_BUILD_BRIDGE:
00652         PlaceRail_Bridge(tile, this);
00653         break;
00654 
00655       case WID_RAT_BUILD_TUNNEL:
00656         DoCommandP(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, CMD_BUILD_TUNNEL | CMD_MSG(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE), CcBuildRailTunnel);
00657         break;
00658 
00659       case WID_RAT_CONVERT_RAIL:
00660         VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CONVERT_RAIL);
00661         break;
00662 
00663       default: NOT_REACHED();
00664     }
00665   }
00666 
00667   virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
00668   {
00669     /* no dragging if you have pressed the convert button */
00670     if (FindWindowById(WC_BUILD_SIGNAL, 0) != NULL && _convert_signal_button && this->IsWidgetLowered(WID_RAT_BUILD_SIGNALS)) return;
00671 
00672     VpSelectTilesWithMethod(pt.x, pt.y, select_method);
00673   }
00674 
00675   virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile)
00676   {
00677     if (pt.x != -1) {
00678       switch (select_proc) {
00679         default: NOT_REACHED();
00680         case DDSP_BUILD_BRIDGE:
00681           if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00682           ShowBuildBridgeWindow(start_tile, end_tile, TRANSPORT_RAIL, _cur_railtype);
00683           break;
00684 
00685         case DDSP_PLACE_RAIL:
00686           HandleAutodirPlacement();
00687           break;
00688 
00689         case DDSP_BUILD_SIGNALS:
00690           HandleAutoSignalPlacement();
00691           break;
00692 
00693         case DDSP_DEMOLISH_AREA:
00694           GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
00695           break;
00696 
00697         case DDSP_CONVERT_RAIL:
00698           DoCommandP(end_tile, start_tile, _cur_railtype | (_ctrl_pressed ? 0x10 : 0), CMD_CONVERT_RAIL | CMD_MSG(STR_ERROR_CAN_T_CONVERT_RAIL), CcPlaySound10);
00699           break;
00700 
00701         case DDSP_REMOVE_STATION:
00702         case DDSP_BUILD_STATION:
00703           if (this->IsWidgetLowered(WID_RAT_BUILD_STATION)) {
00704             /* Station */
00705             if (_remove_button_clicked) {
00706               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);
00707             } else {
00708               HandleStationPlacement(start_tile, end_tile);
00709             }
00710           } else {
00711             /* Waypoint */
00712             if (_remove_button_clicked) {
00713               DoCommandP(end_tile, start_tile, _ctrl_pressed ? 0 : 1, CMD_REMOVE_FROM_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_REMOVE_TRAIN_WAYPOINT), CcPlaySound1E);
00714             } else {
00715               TileArea ta(start_tile, end_tile);
00716               uint32 p1 = _cur_railtype | (select_method == VPM_FIX_X ? AXIS_X : AXIS_Y) << 4 | ta.w << 8 | ta.h << 16 | _ctrl_pressed << 24;
00717               uint32 p2 = STAT_CLASS_WAYP | _cur_waypoint_type << 8 | INVALID_STATION << 16;
00718 
00719               CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_WAYPOINT), CcPlaySound1E, "" };
00720               ShowSelectWaypointIfNeeded(cmdcont, ta);
00721             }
00722           }
00723           break;
00724       }
00725     }
00726   }
00727 
00728   virtual void OnPlaceObjectAbort()
00729   {
00730     this->RaiseButtons();
00731     this->DisableWidget(WID_RAT_REMOVE);
00732     this->SetWidgetDirty(WID_RAT_REMOVE);
00733 
00734     DeleteWindowById(WC_BUILD_SIGNAL, TRANSPORT_RAIL);
00735     DeleteWindowById(WC_BUILD_STATION, TRANSPORT_RAIL);
00736     DeleteWindowById(WC_BUILD_DEPOT, TRANSPORT_RAIL);
00737     DeleteWindowById(WC_BUILD_WAYPOINT, TRANSPORT_RAIL);
00738     DeleteWindowById(WC_SELECT_STATION, 0);
00739     DeleteWindowByClass(WC_BUILD_BRIDGE);
00740   }
00741 
00742   virtual void OnPlacePresize(Point pt, TileIndex tile)
00743   {
00744     DoCommand(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, DC_AUTO, CMD_BUILD_TUNNEL);
00745     VpSetPresizeRange(tile, _build_tunnel_endtile == 0 ? tile : _build_tunnel_endtile);
00746   }
00747 
00748   virtual EventState OnCTRLStateChange()
00749   {
00750     /* do not toggle Remove button by Ctrl when placing station */
00751     if (!this->IsWidgetLowered(WID_RAT_BUILD_STATION) && !this->IsWidgetLowered(WID_RAT_BUILD_WAYPOINT) && RailToolbar_CtrlChanged(this)) return ES_HANDLED;
00752     return ES_NOT_HANDLED;
00753   }
00754 
00755   static Hotkey<BuildRailToolbarWindow> railtoolbar_hotkeys[];
00756 };
00757 
00758 const uint16 _railtoolbar_autorail_keys[] = {'5', 'A' | WKC_GLOBAL_HOTKEY, 0};
00759 
00760 Hotkey<BuildRailToolbarWindow> BuildRailToolbarWindow::railtoolbar_hotkeys[] = {
00761   Hotkey<BuildRailToolbarWindow>('1', "build_ns", WID_RAT_BUILD_NS),
00762   Hotkey<BuildRailToolbarWindow>('2', "build_x", WID_RAT_BUILD_X),
00763   Hotkey<BuildRailToolbarWindow>('3', "build_ew", WID_RAT_BUILD_EW),
00764   Hotkey<BuildRailToolbarWindow>('4', "build_y", WID_RAT_BUILD_Y),
00765   Hotkey<BuildRailToolbarWindow>(_railtoolbar_autorail_keys, "autorail", WID_RAT_AUTORAIL),
00766   Hotkey<BuildRailToolbarWindow>('6', "demolish", WID_RAT_DEMOLISH),
00767   Hotkey<BuildRailToolbarWindow>('7', "depot", WID_RAT_BUILD_DEPOT),
00768   Hotkey<BuildRailToolbarWindow>('8', "waypoint", WID_RAT_BUILD_WAYPOINT),
00769   Hotkey<BuildRailToolbarWindow>('9', "station", WID_RAT_BUILD_STATION),
00770   Hotkey<BuildRailToolbarWindow>('S', "signal", WID_RAT_BUILD_SIGNALS),
00771   Hotkey<BuildRailToolbarWindow>('B', "bridge", WID_RAT_BUILD_BRIDGE),
00772   Hotkey<BuildRailToolbarWindow>('T', "tunnel", WID_RAT_BUILD_TUNNEL),
00773   Hotkey<BuildRailToolbarWindow>('R', "remove", WID_RAT_REMOVE),
00774   Hotkey<BuildRailToolbarWindow>('C', "convert", WID_RAT_CONVERT_RAIL),
00775   HOTKEY_LIST_END(BuildRailToolbarWindow)
00776 };
00777 Hotkey<BuildRailToolbarWindow> *_railtoolbar_hotkeys = BuildRailToolbarWindow::railtoolbar_hotkeys;
00778 
00779 static const NWidgetPart _nested_build_rail_widgets[] = {
00780   NWidget(NWID_HORIZONTAL),
00781     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00782     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_RAT_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00783     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00784   EndContainer(),
00785   NWidget(NWID_HORIZONTAL),
00786     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_NS),
00787             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00788     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_X),
00789             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00790     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_EW),
00791             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_EW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00792     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_Y),
00793             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00794     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_AUTORAIL),
00795             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTORAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_AUTORAIL),
00796 
00797     NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetMinimalSize(4, 22), SetDataTip(0x0, STR_NULL), EndContainer(),
00798 
00799     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_DEMOLISH),
00800             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
00801     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_DEPOT),
00802             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DEPOT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_TRAIN_DEPOT_FOR_BUILDING),
00803     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_WAYPOINT),
00804             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_WAYPOINT, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL_TO_WAYPOINT),
00805     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_STATION),
00806             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_RAIL_STATION, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_STATION),
00807     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_SIGNALS),
00808             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_SIGNALS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_SIGNALS),
00809     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_BRIDGE),
00810             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_BRIDGE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_BRIDGE),
00811     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_TUNNEL),
00812             SetFill(0, 1), SetMinimalSize(20, 22), SetDataTip(SPR_IMG_TUNNEL_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TUNNEL),
00813     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_REMOVE),
00814             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_RAIL_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR),
00815     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_CONVERT_RAIL),
00816             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL),
00817   EndContainer(),
00818 };
00819 
00820 static const WindowDesc _build_rail_desc(
00821   WDP_ALIGN_TOOLBAR, 0, 0,
00822   WC_BUILD_TOOLBAR, WC_NONE,
00823   WDF_CONSTRUCTION,
00824   _nested_build_rail_widgets, lengthof(_nested_build_rail_widgets)
00825 );
00826 
00827 
00836 Window *ShowBuildRailToolbar(RailType railtype)
00837 {
00838   if (!Company::IsValidID(_local_company)) return NULL;
00839   if (!ValParamRailtype(railtype)) return NULL;
00840 
00841   DeleteWindowByClass(WC_BUILD_TOOLBAR);
00842   _cur_railtype = railtype;
00843   _remove_button_clicked = false;
00844   return new BuildRailToolbarWindow(&_build_rail_desc, railtype);
00845 }
00846 
00847 EventState RailToolbarGlobalHotkeys(uint16 key, uint16 keycode)
00848 {
00849   if (!CanBuildVehicleInfrastructure(VEH_TRAIN)) return ES_NOT_HANDLED;
00850   extern RailType _last_built_railtype;
00851   int num = CheckHotkeyMatch<BuildRailToolbarWindow>(_railtoolbar_hotkeys, keycode, NULL, true);
00852   if (num == -1) return ES_NOT_HANDLED;
00853   Window *w = ShowBuildRailToolbar(_last_built_railtype);
00854   if (w == NULL) return ES_NOT_HANDLED;
00855   return w->OnKeyPress(key, keycode);
00856 }
00857 
00858 /* TODO: For custom stations, respect their allowed platforms/lengths bitmasks!
00859  * --pasky */
00860 
00861 static void HandleStationPlacement(TileIndex start, TileIndex end)
00862 {
00863   TileArea ta(start, end);
00864   uint numtracks = ta.w;
00865   uint platlength = ta.h;
00866 
00867   if (_railstation.orientation == AXIS_X) Swap(numtracks, platlength);
00868 
00869   uint32 p1 = _cur_railtype | _railstation.orientation << 4 | numtracks << 8 | platlength << 16 | _ctrl_pressed << 24;
00870   uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00871 
00872   CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00873   ShowSelectStationIfNeeded(cmdcont, ta);
00874 }
00875 
00876 struct BuildRailStationWindow : public PickerWindowBase {
00877 private:
00878   uint line_height;     
00879   uint coverage_height; 
00880   Scrollbar *vscroll;   
00881   Scrollbar *vscroll2;  
00882 
00888   void CheckSelectedSize(const StationSpec *statspec)
00889   {
00890     if (statspec == NULL || _settings_client.gui.station_dragdrop) return;
00891 
00892     /* If current number of tracks is not allowed, make it as big as possible (which is always less than currently selected) */
00893     if (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00894       this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00895       _settings_client.gui.station_numtracks = 1;
00896       while (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00897         _settings_client.gui.station_numtracks++;
00898       }
00899       this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00900     }
00901 
00902     if (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00903       this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00904       _settings_client.gui.station_platlength = 1;
00905       while (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00906         _settings_client.gui.station_platlength++;
00907       }
00908       this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00909     }
00910   }
00911 
00912 public:
00913   BuildRailStationWindow(const WindowDesc *desc, Window *parent, bool newstation) : PickerWindowBase(parent)
00914   {
00915     this->coverage_height = 2 * FONT_HEIGHT_NORMAL + 3 * WD_PAR_VSEP_NORMAL;
00916     this->vscroll = NULL;
00917     _railstation.newstations = newstation;
00918 
00919     this->CreateNestedTree(desc);
00920     NWidgetStacked *newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_ADDITIONS);
00921     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00922     newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_MATRIX);
00923     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00924     newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_RESIZE);
00925     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00926     this->FinishInitNested(desc, TRANSPORT_RAIL);
00927 
00928     this->LowerWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
00929     if (_settings_client.gui.station_dragdrop) {
00930       this->LowerWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
00931     } else {
00932       this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00933       this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00934     }
00935     this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
00936     this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
00937 
00938     if (!newstation || _railstation.station_class >= (int)StationClass::GetCount()) {
00939       /* New stations are not available or changed, so ensure the default station
00940        * type is 'selected'. */
00941       _railstation.station_class = STAT_CLASS_DFLT;
00942       _railstation.station_type = 0;
00943       this->vscroll2 = NULL;
00944     }
00945     if (newstation) {
00946       _railstation.station_count = StationClass::GetCount(_railstation.station_class);
00947       _railstation.station_type = min(_railstation.station_type, _railstation.station_count - 1);
00948 
00949       int count = 0;
00950       for (uint i = 0; i < StationClass::GetCount(); i++) {
00951         if (i == STAT_CLASS_WAYP) continue;
00952         count++;
00953       }
00954       this->vscroll = this->GetScrollbar(WID_BRAS_NEWST_SCROLL);
00955       this->vscroll->SetCount(count);
00956       this->vscroll->SetCapacity(GB(this->GetWidget<NWidgetCore>(WID_BRAS_NEWST_LIST)->widget_data, MAT_ROW_START, MAT_ROW_BITS));
00957       this->vscroll->SetPosition(Clamp(_railstation.station_class - 2, 0, max(this->vscroll->GetCount() - this->vscroll->GetCapacity(), 0)));
00958 
00959       this->vscroll2 = this->GetScrollbar(WID_BRAS_MATRIX_SCROLL);
00960       NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX);
00961       matrix->SetScrollbar(this->vscroll2);
00962       matrix->SetCount(_railstation.station_count);
00963       matrix->SetClicked(_railstation.station_type);
00964     }
00965   }
00966 
00967   virtual ~BuildRailStationWindow()
00968   {
00969     DeleteWindowById(WC_SELECT_STATION, 0);
00970   }
00971 
00972   virtual void OnPaint()
00973   {
00974     bool newstations = _railstation.newstations;
00975     const StationSpec *statspec = newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
00976 
00977     if (_settings_client.gui.station_dragdrop) {
00978       SetTileSelectSize(1, 1);
00979     } else {
00980       int x = _settings_client.gui.station_numtracks;
00981       int y = _settings_client.gui.station_platlength;
00982       if (_railstation.orientation == AXIS_X) Swap(x, y);
00983       if (!_remove_button_clicked) {
00984         SetTileSelectSize(x, y);
00985       }
00986     }
00987 
00988     int rad = (_settings_game.station.modified_catchment) ? CA_TRAIN : CA_UNMODIFIED;
00989 
00990     if (_settings_client.gui.station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
00991 
00992     for (uint bits = 0; bits < 7; bits++) {
00993       bool disable = bits >= _settings_game.station.station_spread;
00994       if (statspec == NULL) {
00995         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_NUM_1, disable);
00996         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_LEN_1, disable);
00997       } else {
00998         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_NUM_1, HasBit(statspec->disallowed_platforms, bits) || disable);
00999         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_LEN_1, HasBit(statspec->disallowed_lengths,   bits) || disable);
01000       }
01001     }
01002 
01003     this->DrawWidgets();
01004 
01005     /* 'Accepts' and 'Supplies' texts. */
01006     NWidgetBase *cov = this->GetWidget<NWidgetBase>(WID_BRAS_COVERAGE_TEXTS);
01007     int top = cov->pos_y + WD_PAR_VSEP_NORMAL;
01008     int left = cov->pos_x + WD_FRAMERECT_LEFT;
01009     int right = cov->pos_x + cov->current_x - WD_FRAMERECT_RIGHT;
01010     int bottom = cov->pos_y + cov->current_y;
01011     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, false) + WD_PAR_VSEP_NORMAL;
01012     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, true) + WD_PAR_VSEP_NORMAL;
01013     /* Resize the coverage text space if the text is not equally long as the window. */
01014     if (top != bottom) {
01015       this->coverage_height += top - bottom;
01016       this->ReInit();
01017     }
01018   }
01019 
01020   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01021   {
01022     switch (widget) {
01023       case WID_BRAS_NEWST_LIST: {
01024         Dimension d = {0, 0};
01025         for (uint i = 0; i < StationClass::GetCount(); i++) {
01026           if (i == STAT_CLASS_WAYP) continue;
01027           SetDParam(0, StationClass::GetName((StationClassID)i));
01028           d = maxdim(d, GetStringBoundingBox(STR_BLACK_STRING));
01029         }
01030         size->width = max(size->width, d.width + padding.width);
01031         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
01032         size->height = GB(this->GetWidget<NWidgetCore>(widget)->widget_data, MAT_ROW_START, MAT_ROW_BITS) * this->line_height;
01033         resize->height = this->line_height;
01034         break;
01035       }
01036 
01037       case WID_BRAS_SHOW_NEWST_TYPE: {
01038         if (!_railstation.newstations) {
01039           size->width = 0;
01040           size->height = 0;
01041           break;
01042         }
01043 
01044         /* If newstations exist, compute the non-zero minimal size. */
01045         Dimension d = {0, 0};
01046         StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
01047         for (StationClassID statclass = STAT_CLASS_BEGIN; statclass < (StationClassID)StationClass::GetCount(); statclass++) {
01048           if (statclass == STAT_CLASS_WAYP) continue;
01049           for (uint16 j = 0; j < StationClass::GetCount(statclass); j++) {
01050             const StationSpec *statspec = StationClass::Get(statclass, j);
01051             SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01052             d = maxdim(d, GetStringBoundingBox(str));
01053           }
01054         }
01055         size->width = max(size->width, d.width + padding.width);
01056         break;
01057       }
01058 
01059       case WID_BRAS_COVERAGE_TEXTS:
01060         size->height = this->coverage_height;
01061         break;
01062 
01063       case WID_BRAS_MATRIX:
01064         fill->height = 1;
01065         resize->height = 1;
01066         break;
01067     }
01068   }
01069 
01070   virtual void DrawWidget(const Rect &r, int widget) const
01071   {
01072     DrawPixelInfo tmp_dpi;
01073 
01074     switch (GB(widget, 0, 16)) {
01075       case WID_BRAS_PLATFORM_DIR_X:
01076         /* Set up a clipping area for the '/' station preview */
01077         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01078           DrawPixelInfo *old_dpi = _cur_dpi;
01079           _cur_dpi = &tmp_dpi;
01080           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_X, _railstation.station_class, _railstation.station_type)) {
01081             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2);
01082           }
01083           _cur_dpi = old_dpi;
01084         }
01085         break;
01086 
01087       case WID_BRAS_PLATFORM_DIR_Y:
01088         /* Set up a clipping area for the '\' station preview */
01089         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01090           DrawPixelInfo *old_dpi = _cur_dpi;
01091           _cur_dpi = &tmp_dpi;
01092           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_Y, _railstation.station_class, _railstation.station_type)) {
01093             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 3);
01094           }
01095           _cur_dpi = old_dpi;
01096         }
01097         break;
01098 
01099       case WID_BRAS_NEWST_LIST: {
01100         uint statclass = 0;
01101         uint row = 0;
01102         for (uint i = 0; i < StationClass::GetCount(); i++) {
01103           if (i == STAT_CLASS_WAYP) continue;
01104           if (this->vscroll->IsVisible(statclass)) {
01105             SetDParam(0, StationClass::GetName((StationClassID)i));
01106             DrawString(r.left + WD_MATRIX_LEFT, r.right - WD_MATRIX_RIGHT, row * this->line_height + r.top + WD_MATRIX_TOP, STR_JUST_STRING,
01107                 (StationClassID)i == _railstation.station_class ? TC_WHITE : TC_BLACK);
01108             row++;
01109           }
01110           statclass++;
01111         }
01112         break;
01113       }
01114 
01115       case WID_BRAS_IMAGE: {
01116         byte type = GB(widget, 16, 16);
01117         assert(type < _railstation.station_count);
01118         /* Check station availability callback */
01119         const StationSpec *statspec = StationClass::Get(_railstation.station_class, type);
01120         if (!IsStationAvailable(statspec)) {
01121           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
01122         }
01123 
01124         /* Set up a clipping area for the station preview. */
01125         if (FillDrawPixelInfo(&tmp_dpi, r.left + 1, r.top + 1, r.right - (r.left + 1) + 1, r.bottom - 1 - (r.top + 1) + 1)) {
01126           DrawPixelInfo *old_dpi = _cur_dpi;
01127           _cur_dpi = &tmp_dpi;
01128           if (!DrawStationTile(31, 29, _cur_railtype, _railstation.orientation, _railstation.station_class, type)) {
01129             StationPickerDrawSprite(31, 29, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2 + _railstation.orientation);
01130           }
01131           _cur_dpi = old_dpi;
01132         }
01133         break;
01134       }
01135     }
01136   }
01137 
01138   virtual void OnResize()
01139   {
01140     if (this->vscroll != NULL) { // New stations available.
01141       this->vscroll->SetCapacityFromWidget(this, WID_BRAS_NEWST_LIST);
01142       this->GetWidget<NWidgetCore>(WID_BRAS_NEWST_LIST)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
01143     }
01144   }
01145 
01146   virtual void SetStringParameters(int widget) const
01147   {
01148     if (widget == WID_BRAS_SHOW_NEWST_TYPE) {
01149       const StationSpec *statspec = StationClass::Get(_railstation.station_class, _railstation.station_type);
01150       SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01151     }
01152   }
01153 
01154   virtual void OnClick(Point pt, int widget, int click_count)
01155   {
01156     switch (GB(widget, 0, 16)) {
01157       case WID_BRAS_PLATFORM_DIR_X:
01158       case WID_BRAS_PLATFORM_DIR_Y:
01159         this->RaiseWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
01160         _railstation.orientation = (Axis)(widget - WID_BRAS_PLATFORM_DIR_X);
01161         this->LowerWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
01162         SndPlayFx(SND_15_BEEP);
01163         this->SetDirty();
01164         DeleteWindowById(WC_SELECT_STATION, 0);
01165         break;
01166 
01167       case WID_BRAS_PLATFORM_NUM_1:
01168       case WID_BRAS_PLATFORM_NUM_2:
01169       case WID_BRAS_PLATFORM_NUM_3:
01170       case WID_BRAS_PLATFORM_NUM_4:
01171       case WID_BRAS_PLATFORM_NUM_5:
01172       case WID_BRAS_PLATFORM_NUM_6:
01173       case WID_BRAS_PLATFORM_NUM_7: {
01174         this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01175         this->RaiseWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
01176 
01177         _settings_client.gui.station_numtracks = widget - WID_BRAS_PLATFORM_NUM_BEGIN;
01178         _settings_client.gui.station_dragdrop = false;
01179 
01180         _settings_client.gui.station_dragdrop = false;
01181 
01182         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01183         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01184           /* The previously selected number of platforms in invalid */
01185           for (uint i = 0; i < 7; i++) {
01186             if (!HasBit(statspec->disallowed_lengths, i)) {
01187               this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01188               _settings_client.gui.station_platlength = i + 1;
01189               break;
01190             }
01191           }
01192         }
01193 
01194         this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01195         this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01196         SndPlayFx(SND_15_BEEP);
01197         this->SetDirty();
01198         DeleteWindowById(WC_SELECT_STATION, 0);
01199         break;
01200       }
01201 
01202       case WID_BRAS_PLATFORM_LEN_1:
01203       case WID_BRAS_PLATFORM_LEN_2:
01204       case WID_BRAS_PLATFORM_LEN_3:
01205       case WID_BRAS_PLATFORM_LEN_4:
01206       case WID_BRAS_PLATFORM_LEN_5:
01207       case WID_BRAS_PLATFORM_LEN_6:
01208       case WID_BRAS_PLATFORM_LEN_7: {
01209         this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01210         this->RaiseWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
01211 
01212         _settings_client.gui.station_platlength = widget - WID_BRAS_PLATFORM_LEN_BEGIN;
01213         _settings_client.gui.station_dragdrop = false;
01214 
01215         _settings_client.gui.station_dragdrop = false;
01216 
01217         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01218         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01219           /* The previously selected number of tracks in invalid */
01220           for (uint i = 0; i < 7; i++) {
01221             if (!HasBit(statspec->disallowed_platforms, i)) {
01222               this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01223               _settings_client.gui.station_numtracks = i + 1;
01224               break;
01225             }
01226           }
01227         }
01228 
01229         this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01230         this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01231         SndPlayFx(SND_15_BEEP);
01232         this->SetDirty();
01233         DeleteWindowById(WC_SELECT_STATION, 0);
01234         break;
01235       }
01236 
01237       case WID_BRAS_PLATFORM_DRAG_N_DROP: {
01238         _settings_client.gui.station_dragdrop ^= true;
01239 
01240         this->ToggleWidgetLoweredState(WID_BRAS_PLATFORM_DRAG_N_DROP);
01241 
01242         /* get the first allowed length/number of platforms */
01243         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01244         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01245           for (uint i = 0; i < 7; i++) {
01246             if (!HasBit(statspec->disallowed_lengths, i)) {
01247               this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01248               _settings_client.gui.station_platlength = i + 1;
01249               break;
01250             }
01251           }
01252         }
01253         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01254           for (uint i = 0; i < 7; i++) {
01255             if (!HasBit(statspec->disallowed_platforms, i)) {
01256               this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01257               _settings_client.gui.station_numtracks = i + 1;
01258               break;
01259             }
01260           }
01261         }
01262 
01263         this->SetWidgetLoweredState(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN, !_settings_client.gui.station_dragdrop);
01264         this->SetWidgetLoweredState(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN, !_settings_client.gui.station_dragdrop);
01265         SndPlayFx(SND_15_BEEP);
01266         this->SetDirty();
01267         DeleteWindowById(WC_SELECT_STATION, 0);
01268         break;
01269       }
01270 
01271       case WID_BRAS_HIGHLIGHT_OFF:
01272       case WID_BRAS_HIGHLIGHT_ON:
01273         _settings_client.gui.station_show_coverage = (widget != WID_BRAS_HIGHLIGHT_OFF);
01274 
01275         this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
01276         this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
01277         SndPlayFx(SND_15_BEEP);
01278         this->SetDirty();
01279         break;
01280 
01281       case WID_BRAS_NEWST_LIST: {
01282         int y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_BRAS_NEWST_LIST, 0, this->line_height);
01283         if (y >= (int)StationClass::GetCount()) return;
01284         for (uint i = 0; i < StationClass::GetCount(); i++) {
01285           if (i == STAT_CLASS_WAYP) continue;
01286           if (y == 0) {
01287             if (_railstation.station_class != (StationClassID)i) {
01288               _railstation.station_class = (StationClassID)i;
01289               _railstation.station_count = StationClass::GetCount(_railstation.station_class);
01290               _railstation.station_type  = min((int)_railstation.station_type, max(0, (int)_railstation.station_count - 1));
01291 
01292               this->CheckSelectedSize(StationClass::Get(_railstation.station_class, _railstation.station_type));
01293 
01294               NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX);
01295               matrix->SetCount(_railstation.station_count);
01296               matrix->SetClicked(_railstation.station_type);
01297             }
01298             SndPlayFx(SND_15_BEEP);
01299             this->SetDirty();
01300             DeleteWindowById(WC_SELECT_STATION, 0);
01301             break;
01302           }
01303           y--;
01304         }
01305         break;
01306       }
01307 
01308       case WID_BRAS_IMAGE: {
01309         int y = GB(widget, 16, 16);
01310         if (y >= _railstation.station_count) return;
01311 
01312         /* Check station availability callback */
01313         const StationSpec *statspec = StationClass::Get(_railstation.station_class, y);
01314         if (!IsStationAvailable(statspec)) return;
01315 
01316         _railstation.station_type = y;
01317 
01318         this->CheckSelectedSize(statspec);
01319         this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX)->SetClicked(_railstation.station_type);
01320 
01321         SndPlayFx(SND_15_BEEP);
01322         this->SetDirty();
01323         DeleteWindowById(WC_SELECT_STATION, 0);
01324         break;
01325       }
01326     }
01327   }
01328 
01329   virtual void OnTick()
01330   {
01331     CheckRedrawStationCoverage(this);
01332   }
01333 };
01334 
01335 static const NWidgetPart _nested_station_builder_widgets[] = {
01336   NWidget(NWID_HORIZONTAL),
01337     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01338     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_RAIL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01339   EndContainer(),
01340   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01341     NWidget(NWID_HORIZONTAL),
01342       NWidget(NWID_VERTICAL),
01343         NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_ADDITIONS),
01344           NWidget(NWID_HORIZONTAL), SetPIP(7, 0, 7), SetPadding(2, 0, 1, 0),
01345             NWidget(WWT_MATRIX, COLOUR_GREY, WID_BRAS_NEWST_LIST), SetMinimalSize(122, 71), SetFill(1, 0),
01346                 SetDataTip(0x501, STR_STATION_BUILD_STATION_CLASS_TOOLTIP), SetScrollbar(WID_BRAS_NEWST_SCROLL),
01347             NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_BRAS_NEWST_SCROLL),
01348           EndContainer(),
01349         EndContainer(),
01350         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_ORIENTATION, STR_NULL), SetPadding(1, 2, 0, 2),
01351         NWidget(NWID_HORIZONTAL),
01352           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01353           NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAS_PLATFORM_DIR_X), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01354           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01355           NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAS_PLATFORM_DIR_Y), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01356           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01357         EndContainer(),
01358         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),
01359         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_NUMBER_OF_TRACKS, STR_NULL), SetPadding(0, 2, 0, 2),
01360         NWidget(NWID_HORIZONTAL),
01361           NWidget(NWID_SPACER), SetFill(1, 0),
01362           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01363           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01364           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01365           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01366           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01367           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01368           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01369           NWidget(NWID_SPACER), SetFill(1, 0),
01370         EndContainer(),
01371         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_PLATFORM_LENGTH, STR_NULL), SetPadding(2, 2, 0, 2),
01372         NWidget(NWID_HORIZONTAL),
01373           NWidget(NWID_SPACER), SetFill(1, 0),
01374           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01375           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01376           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01377           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01378           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01379           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01380           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01381           NWidget(NWID_SPACER), SetFill(1, 0),
01382         EndContainer(),
01383         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01384         NWidget(NWID_HORIZONTAL),
01385           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01386           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),
01387           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01388         EndContainer(),
01389         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetPadding(3, 2, 0, 2),
01390         NWidget(NWID_HORIZONTAL),
01391           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01392           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_HIGHLIGHT_OFF), SetMinimalSize(60, 12),
01393                         SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
01394           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_HIGHLIGHT_ON), SetMinimalSize(60, 12),
01395                         SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
01396           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01397         EndContainer(),
01398       EndContainer(),
01399       NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_MATRIX),
01400         /* We need an additional background for the matrix, as the matrix cannot handle the scrollbar due to not being an NWidgetCore. */
01401         NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetScrollbar(WID_BRAS_MATRIX_SCROLL),
01402           NWidget(NWID_HORIZONTAL),
01403             NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, WID_BRAS_MATRIX), SetScrollbar(WID_BRAS_MATRIX_SCROLL), SetPIP(0, 2, 0), SetPadding(2, 0, 0, 0),
01404               NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BRAS_IMAGE), SetMinimalSize(66, 60),
01405                   SetFill(0, 0), SetResize(0, 0), SetDataTip(0x0, STR_STATION_BUILD_STATION_TYPE_TOOLTIP), SetScrollbar(WID_BRAS_MATRIX_SCROLL),
01406               EndContainer(),
01407             EndContainer(),
01408             NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_BRAS_MATRIX_SCROLL),
01409           EndContainer(),
01410         EndContainer(),
01411       EndContainer(),
01412     EndContainer(),
01413     NWidget(NWID_HORIZONTAL),
01414       NWidget(WWT_EMPTY, INVALID_COLOUR, WID_BRAS_COVERAGE_TEXTS), SetFill(1, 1), SetResize(1, 0),
01415       NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_RESIZE),
01416         NWidget(NWID_VERTICAL),
01417           NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(0, 1), EndContainer(),
01418           NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01419         EndContainer(),
01420       EndContainer(),
01421     EndContainer(),
01422   EndContainer(),
01423 };
01424 
01426 static const WindowDesc _station_builder_desc(
01427   WDP_AUTO, 350, 0,
01428   WC_BUILD_STATION, WC_BUILD_TOOLBAR,
01429   WDF_CONSTRUCTION,
01430   _nested_station_builder_widgets, lengthof(_nested_station_builder_widgets)
01431 );
01432 
01434 static void ShowStationBuilder(Window *parent)
01435 {
01436   bool newstations = StationClass::GetCount() > 2 || StationClass::GetCount(STAT_CLASS_DFLT) != 1;
01437   new BuildRailStationWindow(&_station_builder_desc, parent, newstations);
01438 }
01439 
01440 struct BuildSignalWindow : public PickerWindowBase {
01441 private:
01449   void DrawSignalSprite(byte widget_index, SpriteID image) const
01450   {
01451     /* First get the right image, which is one later for 'green' signals. */
01452     image += this->IsWidgetLowered(widget_index);
01453 
01454     /* Next get the actual sprite so we can calculate the right offsets. */
01455     const Sprite *sprite = GetSprite(image, ST_NORMAL);
01456 
01457     /* For the x offset we want the sprite to be centered, so undo the offset
01458      * for sprite drawing and add half of the sprite's width. For the y offset
01459      * we want the sprite to be aligned on the bottom, so again we undo the
01460      * offset for sprite drawing and assume it is the bottom of the sprite. */
01461     int sprite_center_x_offset = UnScaleByZoom(sprite->x_offs + sprite->width / 2, ZOOM_LVL_GUI);
01462     int sprite_bottom_y_offset = UnScaleByZoom(sprite->height + sprite->y_offs, ZOOM_LVL_GUI);
01463 
01464     /* Next we want to know where on the window to draw. Calculate the center
01465      * and the bottom of the area to draw. */
01466     const NWidgetBase *widget = this->GetWidget<NWidgetBase>(widget_index);
01467     int widget_center_x = widget->pos_x + widget->current_x / 2;
01468     int widget_bottom_y = widget->pos_y + widget->current_y - 2;
01469 
01470     /* Finally we draw the signal. */
01471     DrawSprite(image, PAL_NONE,
01472         widget_center_x - sprite_center_x_offset + this->IsWidgetLowered(widget_index),
01473         widget_bottom_y - sprite_bottom_y_offset + this->IsWidgetLowered(widget_index));
01474   }
01475 
01476 public:
01477   BuildSignalWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01478   {
01479     this->InitNested(desc, TRANSPORT_RAIL);
01480     this->OnInvalidateData();
01481   }
01482 
01483   virtual void SetStringParameters(int widget) const
01484   {
01485     switch (widget) {
01486       case WID_BS_DRAG_SIGNALS_DENSITY_LABEL:
01487         SetDParam(0, _settings_client.gui.drag_signals_density);
01488         break;
01489     }
01490   }
01491 
01492   virtual void DrawWidget(const Rect &r, int widget) const
01493   {
01494     if (IsInsideMM(widget, WID_BS_SEMAPHORE_NORM, WID_BS_ELECTRIC_PBS_OWAY + 1)) {
01495       /* We need to do some custom sprite widget drawing for the signals. */
01496       const SpriteID _signal_lookup[] = {
01497         SPR_IMG_SIGNAL_SEMAPHORE_NORM,  SPR_IMG_SIGNAL_SEMAPHORE_ENTRY, SPR_IMG_SIGNAL_SEMAPHORE_EXIT,
01498         SPR_IMG_SIGNAL_SEMAPHORE_COMBO, SPR_IMG_SIGNAL_SEMAPHORE_PBS,   SPR_IMG_SIGNAL_SEMAPHORE_PBS_OWAY,
01499 
01500         SPR_IMG_SIGNAL_ELECTRIC_NORM,  SPR_IMG_SIGNAL_ELECTRIC_ENTRY, SPR_IMG_SIGNAL_ELECTRIC_EXIT,
01501         SPR_IMG_SIGNAL_ELECTRIC_COMBO, SPR_IMG_SIGNAL_ELECTRIC_PBS,   SPR_IMG_SIGNAL_ELECTRIC_PBS_OWAY
01502       };
01503 
01504       this->DrawSignalSprite(widget, _signal_lookup[widget - WID_BS_SEMAPHORE_NORM]);
01505     }
01506   }
01507 
01508   virtual void OnClick(Point pt, int widget, int click_count)
01509   {
01510     switch (widget) {
01511       case WID_BS_SEMAPHORE_NORM:
01512       case WID_BS_SEMAPHORE_ENTRY:
01513       case WID_BS_SEMAPHORE_EXIT:
01514       case WID_BS_SEMAPHORE_COMBO:
01515       case WID_BS_SEMAPHORE_PBS:
01516       case WID_BS_SEMAPHORE_PBS_OWAY:
01517       case WID_BS_ELECTRIC_NORM:
01518       case WID_BS_ELECTRIC_ENTRY:
01519       case WID_BS_ELECTRIC_EXIT:
01520       case WID_BS_ELECTRIC_COMBO:
01521       case WID_BS_ELECTRIC_PBS:
01522       case WID_BS_ELECTRIC_PBS_OWAY:
01523         this->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01524 
01525         _cur_signal_type = (SignalType)((uint)((widget - WID_BS_SEMAPHORE_NORM) % (SIGTYPE_LAST + 1)));
01526         _cur_signal_variant = widget >= WID_BS_ELECTRIC_NORM ? SIG_ELECTRIC : SIG_SEMAPHORE;
01527         break;
01528 
01529       case WID_BS_CONVERT:
01530         _convert_signal_button = !_convert_signal_button;
01531         break;
01532 
01533       case WID_BS_DRAG_SIGNALS_DENSITY_DECREASE:
01534         if (_settings_client.gui.drag_signals_density > 1) {
01535           _settings_client.gui.drag_signals_density--;
01536           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_SETTINGS);
01537         }
01538         break;
01539 
01540       case WID_BS_DRAG_SIGNALS_DENSITY_INCREASE:
01541         if (_settings_client.gui.drag_signals_density < 20) {
01542           _settings_client.gui.drag_signals_density++;
01543           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_SETTINGS);
01544         }
01545         break;
01546 
01547       default: break;
01548     }
01549 
01550     this->InvalidateData();
01551   }
01552 
01558   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01559   {
01560     if (!gui_scope) return;
01561     this->LowerWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01562 
01563     this->SetWidgetLoweredState(WID_BS_CONVERT, _convert_signal_button);
01564 
01565     this->SetWidgetDisabledState(WID_BS_DRAG_SIGNALS_DENSITY_DECREASE, _settings_client.gui.drag_signals_density == 1);
01566     this->SetWidgetDisabledState(WID_BS_DRAG_SIGNALS_DENSITY_INCREASE, _settings_client.gui.drag_signals_density == 20);
01567   }
01568 };
01569 
01571 static const NWidgetPart _nested_signal_builder_widgets[] = {
01572   NWidget(NWID_HORIZONTAL),
01573     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01574     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_SIGNAL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01575   EndContainer(),
01576   NWidget(NWID_VERTICAL, NC_EQUALSIZE),
01577     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01578       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01579       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01580       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01581       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01582       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01583       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),
01584       NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_BS_CONVERT), SetDataTip(SPR_IMG_SIGNAL_CONVERT, STR_BUILD_SIGNAL_CONVERT_TOOLTIP), SetFill(1, 1),
01585     EndContainer(),
01586     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01587       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01588       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01589       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01590       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01591       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01592       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),
01593       NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01594         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),
01595         NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
01596           NWidget(NWID_SPACER), SetFill(1, 0),
01597           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),
01598           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),
01599           NWidget(NWID_SPACER), SetFill(1, 0),
01600         EndContainer(),
01601         NWidget(NWID_SPACER), SetMinimalSize(0, 2), SetFill(1, 0),
01602       EndContainer(),
01603     EndContainer(),
01604   EndContainer(),
01605 };
01606 
01608 static const WindowDesc _signal_builder_desc(
01609   WDP_AUTO, 0, 0,
01610   WC_BUILD_SIGNAL, WC_BUILD_TOOLBAR,
01611   WDF_UNCLICK_BUTTONS | WDF_CONSTRUCTION,
01612   _nested_signal_builder_widgets, lengthof(_nested_signal_builder_widgets)
01613 );
01614 
01618 static void ShowSignalBuilder(Window *parent)
01619 {
01620   new BuildSignalWindow(&_signal_builder_desc, parent);
01621 }
01622 
01623 struct BuildRailDepotWindow : public PickerWindowBase {
01624   BuildRailDepotWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01625   {
01626     this->InitNested(desc, TRANSPORT_RAIL);
01627     this->LowerWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01628   }
01629 
01630   virtual void DrawWidget(const Rect &r, int widget) const
01631   {
01632     if (!IsInsideMM(widget, WID_BRAD_DEPOT_NE, WID_BRAD_DEPOT_NW + 1)) return;
01633 
01634     DrawTrainDepotSprite(r.left - 1, r.top, widget - WID_BRAD_DEPOT_NE + DIAGDIR_NE, _cur_railtype);
01635   }
01636 
01637   virtual void OnClick(Point pt, int widget, int click_count)
01638   {
01639     switch (widget) {
01640       case WID_BRAD_DEPOT_NE:
01641       case WID_BRAD_DEPOT_SE:
01642       case WID_BRAD_DEPOT_SW:
01643       case WID_BRAD_DEPOT_NW:
01644         this->RaiseWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01645         _build_depot_direction = (DiagDirection)(widget - WID_BRAD_DEPOT_NE);
01646         this->LowerWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01647         SndPlayFx(SND_15_BEEP);
01648         this->SetDirty();
01649         break;
01650     }
01651   }
01652 };
01653 
01655 static const NWidgetPart _nested_build_depot_widgets[] = {
01656   NWidget(NWID_HORIZONTAL),
01657     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01658     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_DEPOT_TRAIN_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01659   EndContainer(),
01660   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01661     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01662     NWidget(NWID_HORIZONTAL_LTR),
01663       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01664       NWidget(NWID_VERTICAL),
01665         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01666         EndContainer(),
01667         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01668         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01669         EndContainer(),
01670       EndContainer(),
01671       NWidget(NWID_SPACER), SetMinimalSize(2, 0),
01672       NWidget(NWID_VERTICAL),
01673         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01674         EndContainer(),
01675         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01676         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01677         EndContainer(),
01678       EndContainer(),
01679       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01680     EndContainer(),
01681     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01682   EndContainer(),
01683 };
01684 
01685 static const WindowDesc _build_depot_desc(
01686   WDP_AUTO, 0, 0,
01687   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01688   WDF_CONSTRUCTION,
01689   _nested_build_depot_widgets, lengthof(_nested_build_depot_widgets)
01690 );
01691 
01692 static void ShowBuildTrainDepotPicker(Window *parent)
01693 {
01694   new BuildRailDepotWindow(&_build_depot_desc, parent);
01695 }
01696 
01697 struct BuildRailWaypointWindow : PickerWindowBase {
01698   BuildRailWaypointWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01699   {
01700     this->CreateNestedTree(desc);
01701 
01702     NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX);
01703     matrix->SetScrollbar(this->GetScrollbar(WID_BRW_SCROLL));
01704 
01705     this->FinishInitNested(desc, TRANSPORT_RAIL);
01706 
01707     matrix->SetCount(_waypoint_count);
01708     matrix->SetClicked(_cur_waypoint_type);
01709   }
01710 
01711   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01712   {
01713     switch (widget) {
01714       case WID_BRW_WAYPOINT_MATRIX:
01715         /* Three blobs high and wide. */
01716         size->width  += resize->width  * 2;
01717         size->height += resize->height * 2;
01718 
01719         /* Resizing in X direction only at blob size, but at pixel level in Y. */
01720         resize->height = 1;
01721         break;
01722     }
01723   }
01724 
01725   virtual void DrawWidget(const Rect &r, int widget) const
01726   {
01727     switch (GB(widget, 0, 16)) {
01728       case WID_BRW_WAYPOINT: {
01729         byte type = GB(widget, 16, 16);
01730         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, type);
01731         DrawWaypointSprite(r.left + TILE_PIXELS, r.bottom - TILE_PIXELS, type, _cur_railtype);
01732 
01733         if (!IsStationAvailable(statspec)) {
01734           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
01735         }
01736       }
01737     }
01738   }
01739 
01740   virtual void OnClick(Point pt, int widget, int click_count)
01741   {
01742     switch (GB(widget, 0, 16)) {
01743       case WID_BRW_WAYPOINT: {
01744         byte type = GB(widget, 16, 16);
01745         this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01746 
01747         /* Check station availability callback */
01748         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, type);
01749         if (!IsStationAvailable(statspec)) return;
01750 
01751         _cur_waypoint_type = type;
01752         this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01753         SndPlayFx(SND_15_BEEP);
01754         this->SetDirty();
01755         break;
01756       }
01757     }
01758   }
01759 };
01760 
01762 static const NWidgetPart _nested_build_waypoint_widgets[] = {
01763   NWidget(NWID_HORIZONTAL),
01764     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01765     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_WAYPOINT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01766   EndContainer(),
01767   NWidget(NWID_HORIZONTAL),
01768     NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, WID_BRW_WAYPOINT_MATRIX), SetPIP(3, 2, 3), SetScrollbar(WID_BRW_SCROLL),
01769       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BRW_WAYPOINT), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), SetScrollbar(WID_BRW_SCROLL), EndContainer(),
01770     EndContainer(),
01771     NWidget(NWID_VERTICAL),
01772       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_BRW_SCROLL),
01773       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01774     EndContainer(),
01775   EndContainer(),
01776 };
01777 
01778 static const WindowDesc _build_waypoint_desc(
01779   WDP_AUTO, 0, 0,
01780   WC_BUILD_WAYPOINT, WC_BUILD_TOOLBAR,
01781   WDF_CONSTRUCTION,
01782   _nested_build_waypoint_widgets, lengthof(_nested_build_waypoint_widgets)
01783 );
01784 
01785 static void ShowBuildWaypointPicker(Window *parent)
01786 {
01787   new BuildRailWaypointWindow(&_build_waypoint_desc, parent);
01788 }
01789 
01793 void InitializeRailGui()
01794 {
01795   _build_depot_direction = DIAGDIR_NW;
01796 }
01797 
01802 void ReinitGuiAfterToggleElrail(bool disable)
01803 {
01804   extern RailType _last_built_railtype;
01805   if (disable && _last_built_railtype == RAILTYPE_ELECTRIC) {
01806     _last_built_railtype = _cur_railtype = RAILTYPE_RAIL;
01807     BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01808     if (w != NULL) w->ModifyRailType(_cur_railtype);
01809   }
01810   MarkWholeScreenDirty();
01811 }
01812 
01814 static void SetDefaultRailGui()
01815 {
01816   if (_local_company == COMPANY_SPECTATOR || !Company::IsValidID(_local_company)) return;
01817 
01818   extern RailType _last_built_railtype;
01819   RailType rt = (RailType)(_settings_client.gui.default_rail_type + RAILTYPE_END);
01820   if (rt == DEF_RAILTYPE_MOST_USED) {
01821     /* Find the most used rail type */
01822     RailType count[RAILTYPE_END];
01823     memset(count, 0, sizeof(count));
01824     for (TileIndex t = 0; t < MapSize(); t++) {
01825       if (IsTileType(t, MP_RAILWAY) || IsLevelCrossingTile(t) || HasStationTileRail(t) ||
01826           (IsTileType(t, MP_TUNNELBRIDGE) && GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL)) {
01827         count[GetRailType(t)]++;
01828       }
01829     }
01830 
01831     rt = RAILTYPE_RAIL;
01832     for (RailType r = RAILTYPE_ELECTRIC; r < RAILTYPE_END; r++) {
01833       if (count[r] >= count[rt]) rt = r;
01834     }
01835 
01836     /* No rail, just get the first available one */
01837     if (count[rt] == 0) rt = DEF_RAILTYPE_FIRST;
01838   }
01839   switch (rt) {
01840     case DEF_RAILTYPE_FIRST:
01841       rt = RAILTYPE_RAIL;
01842       while (rt < RAILTYPE_END && !HasRailtypeAvail(_local_company, rt)) rt++;
01843       break;
01844 
01845     case DEF_RAILTYPE_LAST:
01846       rt = GetBestRailtype(_local_company);
01847       break;
01848 
01849     default:
01850       break;
01851   }
01852 
01853   _last_built_railtype = _cur_railtype = rt;
01854   BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01855   if (w != NULL) w->ModifyRailType(_cur_railtype);
01856 }
01857 
01864 bool ResetSignalVariant(int32 p = 0)
01865 {
01866   SignalVariant new_variant = (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC);
01867 
01868   if (new_variant != _cur_signal_variant) {
01869     Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
01870     if (w != NULL) {
01871       w->SetDirty();
01872       w->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01873     }
01874     _cur_signal_variant = new_variant;
01875   }
01876 
01877   return true;
01878 }
01879 
01884 void InitializeRailGUI()
01885 {
01886   SetDefaultRailGui();
01887 
01888   _convert_signal_button = false;
01889   _cur_signal_type = _default_signal_type[_settings_client.gui.default_signal_type];
01890   ResetSignalVariant();
01891 }
01892 
01899 static bool CompareRailTypes(const DropDownListItem *first, const DropDownListItem *second)
01900 {
01901   return GetRailTypeInfo((RailType)first->result)->sorting_order < GetRailTypeInfo((RailType)second->result)->sorting_order;
01902 }
01903 
01909 DropDownList *GetRailTypeDropDownList(bool for_replacement)
01910 {
01911   RailTypes used_railtypes = RAILTYPES_NONE;
01912 
01913   /* Find the used railtypes. */
01914   Engine *e;
01915   FOR_ALL_ENGINES_OF_TYPE(e, VEH_TRAIN) {
01916     if (!HasBit(e->info.climates, _settings_game.game_creation.landscape)) continue;
01917 
01918     used_railtypes |= GetRailTypeInfo(e->u.rail.railtype)->introduces_railtypes;
01919   }
01920 
01921   /* Get the date introduced railtypes as well. */
01922   used_railtypes = AddDateIntroducedRailTypes(used_railtypes, MAX_DAY);
01923 
01924   const Company *c = Company::Get(_local_company);
01925   DropDownList *list = new DropDownList();
01926   for (RailType rt = RAILTYPE_BEGIN; rt != RAILTYPE_END; rt++) {
01927     /* If it's not used ever, don't show it to the user. */
01928     if (!HasBit(used_railtypes, rt)) continue;
01929 
01930     const RailtypeInfo *rti = GetRailTypeInfo(rt);
01931     /* Skip rail type if it has no label */
01932     if (rti->label == 0) continue;
01933 
01934     StringID str = for_replacement ? rti->strings.replace_text : (rti->max_speed > 0 ? STR_TOOLBAR_RAILTYPE_VELOCITY : STR_JUST_STRING);
01935     DropDownListParamStringItem *item = new DropDownListParamStringItem(str, rt, !HasBit(c->avail_railtypes, rt));
01936     item->SetParam(0, rti->strings.menu_text);
01937     item->SetParam(1, rti->max_speed);
01938     list->push_back(item);
01939   }
01940   list->sort(CompareRailTypes);
01941   return list;
01942 }