rail_gui.cpp

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00001 /* $Id: rail_gui.cpp 23601 2011-12-19 20:50:21Z truebrain $ */
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 #include "table/strings.h"
00043 
00044 static RailType _cur_railtype;               
00045 static bool _remove_button_clicked;          
00046 static DiagDirection _build_depot_direction; 
00047 static byte _waypoint_count = 1;             
00048 static byte _cur_waypoint_type;              
00049 static bool _convert_signal_button;          
00050 static SignalVariant _cur_signal_variant;    
00051 static SignalType _cur_signal_type;          
00052 
00053 /* Map the setting: default_signal_type to the corresponding signal type */
00054 static const SignalType _default_signal_type[] = {SIGTYPE_NORMAL, SIGTYPE_PBS, SIGTYPE_PBS_ONEWAY};
00055 
00056 struct RailStationGUISettings {
00057   Axis orientation;                 
00058 
00059   bool newstations;                 
00060   StationClassID station_class;     
00061   byte station_type;                
00062   byte station_count;               
00063 };
00064 static RailStationGUISettings _railstation; 
00065 
00066 
00067 static void HandleStationPlacement(TileIndex start, TileIndex end);
00068 static void ShowBuildTrainDepotPicker(Window *parent);
00069 static void ShowBuildWaypointPicker(Window *parent);
00070 static void ShowStationBuilder(Window *parent);
00071 static void ShowSignalBuilder(Window *parent);
00072 
00077 static bool IsStationAvailable(const StationSpec *statspec)
00078 {
00079   if (statspec == NULL || !HasBit(statspec->callback_mask, CBM_STATION_AVAIL)) return true;
00080 
00081   uint16 cb_res = GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE);
00082   if (cb_res == CALLBACK_FAILED) return true;
00083 
00084   return Convert8bitBooleanCallback(statspec->grf_prop.grffile, CBID_STATION_AVAILABILITY, cb_res);
00085 }
00086 
00087 void CcPlaySound1E(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00088 {
00089   if (result.Succeeded()) SndPlayTileFx(SND_20_SPLAT_2, tile);
00090 }
00091 
00092 static void GenericPlaceRail(TileIndex tile, int cmd)
00093 {
00094   DoCommandP(tile, _cur_railtype, cmd,
00095       _remove_button_clicked ?
00096       CMD_REMOVE_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00097       CMD_BUILD_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK),
00098       CcPlaySound1E);
00099 }
00100 
00108 static void PlaceExtraDepotRail(TileIndex tile, DiagDirection dir, Track track)
00109 {
00110   if (GetRailTileType(tile) != RAIL_TILE_NORMAL) return;
00111   if ((GetTrackBits(tile) & DiagdirReachesTracks(dir)) == 0) return;
00112 
00113   DoCommandP(tile, _cur_railtype, track, CMD_BUILD_SINGLE_RAIL);
00114 }
00115 
00117 static const Track _place_depot_extra_track[12] = {
00118   TRACK_LEFT,  TRACK_UPPER, TRACK_UPPER, TRACK_RIGHT, // First additional track for directions 0..3
00119   TRACK_X,     TRACK_Y,     TRACK_X,     TRACK_Y,     // Second additional track
00120   TRACK_LOWER, TRACK_LEFT,  TRACK_RIGHT, TRACK_LOWER, // Third additional track
00121 };
00122 
00124 static const DiagDirection _place_depot_extra_dir[12] = {
00125   DIAGDIR_SE, DIAGDIR_SW, DIAGDIR_SE, DIAGDIR_SW,
00126   DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_SE,
00127   DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_NW, DIAGDIR_NE,
00128 };
00129 
00130 void CcRailDepot(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00131 {
00132   if (result.Failed()) return;
00133 
00134   DiagDirection dir = (DiagDirection)p2;
00135 
00136   SndPlayTileFx(SND_20_SPLAT_2, tile);
00137   if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00138 
00139   tile += TileOffsByDiagDir(dir);
00140 
00141   if (IsTileType(tile, MP_RAILWAY)) {
00142     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir], _place_depot_extra_track[dir]);
00143     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 4], _place_depot_extra_track[dir + 4]);
00144     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 8], _place_depot_extra_track[dir + 8]);
00145   }
00146 }
00147 
00152 static void PlaceRail_Waypoint(TileIndex tile)
00153 {
00154   if (_remove_button_clicked) {
00155     VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_STATION);
00156     return;
00157   }
00158 
00159   Axis axis = GetAxisForNewWaypoint(tile);
00160   if (IsValidAxis(axis)) {
00161     /* Valid tile for waypoints */
00162     VpStartPlaceSizing(tile, axis == AXIS_X ? VPM_FIX_X : VPM_FIX_Y, DDSP_BUILD_STATION);
00163   } else {
00164     /* Tile where we can't build rail waypoints. This is always going to fail,
00165      * but provides the user with a proper error message. */
00166     DoCommandP(tile, 1 << 8 | 1 << 16, STAT_CLASS_WAYP | INVALID_STATION << 16, CMD_BUILD_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_WAYPOINT));
00167   }
00168 }
00169 
00170 void CcStation(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00171 {
00172   if (result.Failed()) return;
00173 
00174   SndPlayTileFx(SND_20_SPLAT_2, tile);
00175   /* Only close the station builder window if the default station and non persistent building is chosen. */
00176   if (_railstation.station_class == STAT_CLASS_DFLT && _railstation.station_type == 0 && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00177 }
00178 
00183 static void PlaceRail_Station(TileIndex tile)
00184 {
00185   if (_remove_button_clicked) {
00186     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_REMOVE_STATION);
00187     VpSetPlaceSizingLimit(-1);
00188   } else if (_settings_client.gui.station_dragdrop) {
00189     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_BUILD_STATION);
00190     VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00191   } else {
00192     uint32 p1 = _cur_railtype | _railstation.orientation << 4 | _settings_client.gui.station_numtracks << 8 | _settings_client.gui.station_platlength << 16 | _ctrl_pressed << 24;
00193     uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00194 
00195     int w = _settings_client.gui.station_numtracks;
00196     int h = _settings_client.gui.station_platlength;
00197     if (!_railstation.orientation) Swap(w, h);
00198 
00199     CommandContainer cmdcont = { tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00200     ShowSelectStationIfNeeded(cmdcont, TileArea(tile, w, h));
00201   }
00202 }
00203 
00209 static void GenericPlaceSignals(TileIndex tile)
00210 {
00211   TrackBits trackbits = TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_RAIL, 0));
00212 
00213   if (trackbits & TRACK_BIT_VERT) { // N-S direction
00214     trackbits = (_tile_fract_coords.x <= _tile_fract_coords.y) ? TRACK_BIT_RIGHT : TRACK_BIT_LEFT;
00215   }
00216 
00217   if (trackbits & TRACK_BIT_HORZ) { // E-W direction
00218     trackbits = (_tile_fract_coords.x + _tile_fract_coords.y <= 15) ? TRACK_BIT_UPPER : TRACK_BIT_LOWER;
00219   }
00220 
00221   Track track = FindFirstTrack(trackbits);
00222 
00223   if (_remove_button_clicked) {
00224     DoCommandP(tile, track, 0, CMD_REMOVE_SIGNALS | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM), CcPlaySound1E);
00225   } else {
00226     const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00227 
00228     /* Map the setting cycle_signal_types to the lower and upper allowed signal type. */
00229     static const uint cycle_bounds[] = {SIGTYPE_NORMAL | (SIGTYPE_LAST_NOPBS << 3), SIGTYPE_PBS | (SIGTYPE_LAST << 3), SIGTYPE_NORMAL | (SIGTYPE_LAST << 3)};
00230 
00231     /* various bitstuffed elements for CmdBuildSingleSignal() */
00232     uint32 p1 = track;
00233 
00234     if (w != NULL) {
00235       /* signal GUI is used */
00236       SB(p1, 3, 1, _ctrl_pressed);
00237       SB(p1, 4, 1, _cur_signal_variant);
00238       SB(p1, 5, 3, _cur_signal_type);
00239       SB(p1, 8, 1, _convert_signal_button);
00240       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00241     } else {
00242       SB(p1, 3, 1, _ctrl_pressed);
00243       SB(p1, 4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00244       SB(p1, 5, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00245       SB(p1, 8, 1, 0);
00246       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00247     }
00248 
00249     DoCommandP(tile, p1, 0, CMD_BUILD_SIGNALS |
00250         CMD_MSG((w != NULL && _convert_signal_button) ? STR_ERROR_SIGNAL_CAN_T_CONVERT_SIGNALS_HERE : STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00251         CcPlaySound1E);
00252   }
00253 }
00254 
00260 static void PlaceRail_Bridge(TileIndex tile, Window *w)
00261 {
00262   if (IsBridgeTile(tile)) {
00263     TileIndex other_tile = GetOtherTunnelBridgeEnd(tile);
00264     Point pt = {0, 0};
00265     w->OnPlaceMouseUp(VPM_X_OR_Y, DDSP_BUILD_BRIDGE, pt, tile, other_tile);
00266   } else {
00267     VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_BUILD_BRIDGE);
00268   }
00269 }
00270 
00272 void CcBuildRailTunnel(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00273 {
00274   if (result.Succeeded()) {
00275     SndPlayTileFx(SND_20_SPLAT_2, tile);
00276     if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00277   } else {
00278     SetRedErrorSquare(_build_tunnel_endtile);
00279   }
00280 }
00281 
00286 static void ToggleRailButton_Remove(Window *w)
00287 {
00288   DeleteWindowById(WC_SELECT_STATION, 0);
00289   w->ToggleWidgetLoweredState(WID_RAT_REMOVE);
00290   w->SetWidgetDirty(WID_RAT_REMOVE);
00291   _remove_button_clicked = w->IsWidgetLowered(WID_RAT_REMOVE);
00292   SetSelectionRed(_remove_button_clicked);
00293 }
00294 
00300 static bool RailToolbar_CtrlChanged(Window *w)
00301 {
00302   if (w->IsWidgetDisabled(WID_RAT_REMOVE)) return false;
00303 
00304   /* allow ctrl to switch remove mode only for these widgets */
00305   for (uint i = WID_RAT_BUILD_NS; i <= WID_RAT_BUILD_STATION; i++) {
00306     if ((i <= WID_RAT_AUTORAIL || i >= WID_RAT_BUILD_WAYPOINT) && w->IsWidgetLowered(i)) {
00307       ToggleRailButton_Remove(w);
00308       return true;
00309     }
00310   }
00311 
00312   return false;
00313 }
00314 
00315 
00321 static void BuildRailClick_Remove(Window *w)
00322 {
00323   if (w->IsWidgetDisabled(WID_RAT_REMOVE)) return;
00324   ToggleRailButton_Remove(w);
00325   SndPlayFx(SND_15_BEEP);
00326 
00327   /* handle station builder */
00328   if (w->IsWidgetLowered(WID_RAT_BUILD_STATION)) {
00329     if (_remove_button_clicked) {
00330       /* starting drag & drop remove */
00331       if (!_settings_client.gui.station_dragdrop) {
00332         SetTileSelectSize(1, 1);
00333       } else {
00334         VpSetPlaceSizingLimit(-1);
00335       }
00336     } else {
00337       /* starting station build mode */
00338       if (!_settings_client.gui.station_dragdrop) {
00339         int x = _settings_client.gui.station_numtracks;
00340         int y = _settings_client.gui.station_platlength;
00341         if (_railstation.orientation == 0) Swap(x, y);
00342         SetTileSelectSize(x, y);
00343       } else {
00344         VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00345       }
00346     }
00347   }
00348 }
00349 
00350 static void DoRailroadTrack(int mode)
00351 {
00352   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), _cur_railtype | (mode << 4),
00353       _remove_button_clicked ?
00354       CMD_REMOVE_RAILROAD_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00355       CMD_BUILD_RAILROAD_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK));
00356 }
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   } else {
00395     SB(p2,  3, 1, 0);
00396     SB(p2,  4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00397     SB(p2,  6, 1, _ctrl_pressed);
00398     SB(p2,  7, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00399     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00400   }
00401 
00402   /* _settings_client.gui.drag_signals_density is given as a parameter such that each user
00403    * in a network game can specify his/her own signal density */
00404   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), p2,
00405       _remove_button_clicked ?
00406       CMD_REMOVE_SIGNAL_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM) :
00407       CMD_BUILD_SIGNAL_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00408       CcPlaySound1E);
00409 }
00410 
00411 
00413 struct BuildRailToolbarWindow : Window {
00414   RailType railtype;    
00415   int last_user_action; 
00416 
00417   BuildRailToolbarWindow(const WindowDesc *desc, RailType railtype) : Window()
00418   {
00419     this->InitNested(desc, TRANSPORT_RAIL);
00420     this->SetupRailToolbar(railtype);
00421     this->DisableWidget(WID_RAT_REMOVE);
00422     this->last_user_action = WIDGET_LIST_END;
00423 
00424     if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
00425   }
00426 
00427   ~BuildRailToolbarWindow()
00428   {
00429     if (_settings_client.gui.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0, false);
00430   }
00431 
00436   void SetupRailToolbar(RailType railtype)
00437   {
00438     this->railtype = railtype;
00439     const RailtypeInfo *rti = GetRailTypeInfo(railtype);
00440 
00441     assert(railtype < RAILTYPE_END);
00442     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_NS)->widget_data     = rti->gui_sprites.build_ns_rail;
00443     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_X)->widget_data      = rti->gui_sprites.build_x_rail;
00444     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_EW)->widget_data     = rti->gui_sprites.build_ew_rail;
00445     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_Y)->widget_data      = rti->gui_sprites.build_y_rail;
00446     this->GetWidget<NWidgetCore>(WID_RAT_AUTORAIL)->widget_data     = rti->gui_sprites.auto_rail;
00447     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_DEPOT)->widget_data  = rti->gui_sprites.build_depot;
00448     this->GetWidget<NWidgetCore>(WID_RAT_CONVERT_RAIL)->widget_data = rti->gui_sprites.convert_rail;
00449     this->GetWidget<NWidgetCore>(WID_RAT_BUILD_TUNNEL)->widget_data = rti->gui_sprites.build_tunnel;
00450   }
00451 
00456   void ModifyRailType(RailType railtype)
00457   {
00458     this->SetupRailToolbar(railtype);
00459     this->ReInit();
00460   }
00461 
00462   void UpdateRemoveWidgetStatus(int clicked_widget)
00463   {
00464     switch (clicked_widget) {
00465       case WID_RAT_REMOVE:
00466         /* If it is the removal button that has been clicked, do nothing,
00467          * as it is up to the other buttons to drive removal status */
00468         return;
00469 
00470       case WID_RAT_BUILD_NS:
00471       case WID_RAT_BUILD_X:
00472       case WID_RAT_BUILD_EW:
00473       case WID_RAT_BUILD_Y:
00474       case WID_RAT_AUTORAIL:
00475       case WID_RAT_BUILD_WAYPOINT:
00476       case WID_RAT_BUILD_STATION:
00477       case WID_RAT_BUILD_SIGNALS:
00478         /* Removal button is enabled only if the rail/signal/waypoint/station
00479          * button is still lowered.  Once raised, it has to be disabled */
00480         this->SetWidgetDisabledState(WID_RAT_REMOVE, !this->IsWidgetLowered(clicked_widget));
00481         break;
00482 
00483       default:
00484         /* When any other buttons than rail/signal/waypoint/station, raise and
00485          * disable the removal button */
00486         this->DisableWidget(WID_RAT_REMOVE);
00487         this->RaiseWidget(WID_RAT_REMOVE);
00488         break;
00489     }
00490   }
00491 
00492   virtual void SetStringParameters(int widget) const
00493   {
00494     if (widget == WID_RAT_CAPTION) {
00495       const RailtypeInfo *rti = GetRailTypeInfo(this->railtype);
00496       if (rti->max_speed > 0) {
00497         SetDParam(0, STR_TOOLBAR_RAILTYPE_VELOCITY);
00498         SetDParam(1, rti->strings.toolbar_caption);
00499         SetDParam(2, rti->max_speed);
00500       } else {
00501         SetDParam(0, rti->strings.toolbar_caption);
00502       }
00503     }
00504   }
00505 
00506   virtual void OnClick(Point pt, int widget, int click_count)
00507   {
00508     if (widget < WID_RAT_BUILD_NS) return;
00509 
00510     _remove_button_clicked = false;
00511     switch (widget) {
00512       case WID_RAT_BUILD_NS:
00513         HandlePlacePushButton(this, WID_RAT_BUILD_NS, GetRailTypeInfo(_cur_railtype)->cursor.rail_ns, HT_LINE | HT_DIR_VL);
00514         this->last_user_action = widget;
00515         break;
00516 
00517       case WID_RAT_BUILD_X:
00518         HandlePlacePushButton(this, WID_RAT_BUILD_X, GetRailTypeInfo(_cur_railtype)->cursor.rail_swne, HT_LINE | HT_DIR_X);
00519         this->last_user_action = widget;
00520         break;
00521 
00522       case WID_RAT_BUILD_EW:
00523         HandlePlacePushButton(this, WID_RAT_BUILD_EW, GetRailTypeInfo(_cur_railtype)->cursor.rail_ew, HT_LINE | HT_DIR_HL);
00524         this->last_user_action = widget;
00525         break;
00526 
00527       case WID_RAT_BUILD_Y:
00528         HandlePlacePushButton(this, WID_RAT_BUILD_Y, GetRailTypeInfo(_cur_railtype)->cursor.rail_nwse, HT_LINE | HT_DIR_Y);
00529         this->last_user_action = widget;
00530         break;
00531 
00532       case WID_RAT_AUTORAIL:
00533         HandlePlacePushButton(this, WID_RAT_AUTORAIL, GetRailTypeInfo(_cur_railtype)->cursor.autorail, HT_RAIL);
00534         this->last_user_action = widget;
00535         break;
00536 
00537       case WID_RAT_DEMOLISH:
00538         HandlePlacePushButton(this, WID_RAT_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
00539         this->last_user_action = widget;
00540         break;
00541 
00542       case WID_RAT_BUILD_DEPOT:
00543         if (HandlePlacePushButton(this, WID_RAT_BUILD_DEPOT, GetRailTypeInfo(_cur_railtype)->cursor.depot, HT_RECT)) {
00544           ShowBuildTrainDepotPicker(this);
00545           this->last_user_action = widget;
00546         }
00547         break;
00548 
00549       case WID_RAT_BUILD_WAYPOINT:
00550         this->last_user_action = widget;
00551         _waypoint_count = StationClass::GetCount(STAT_CLASS_WAYP);
00552         if (HandlePlacePushButton(this, WID_RAT_BUILD_WAYPOINT, SPR_CURSOR_WAYPOINT, HT_RECT) && _waypoint_count > 1) {
00553           ShowBuildWaypointPicker(this);
00554         }
00555         break;
00556 
00557       case WID_RAT_BUILD_STATION:
00558         if (HandlePlacePushButton(this, WID_RAT_BUILD_STATION, SPR_CURSOR_RAIL_STATION, HT_RECT)) {
00559           ShowStationBuilder(this);
00560           this->last_user_action = widget;
00561         }
00562         break;
00563 
00564       case WID_RAT_BUILD_SIGNALS: {
00565         this->last_user_action = widget;
00566         bool started = HandlePlacePushButton(this, WID_RAT_BUILD_SIGNALS, ANIMCURSOR_BUILDSIGNALS, HT_RECT);
00567         if (started && _settings_client.gui.enable_signal_gui != _ctrl_pressed) {
00568           ShowSignalBuilder(this);
00569         }
00570         break;
00571       }
00572 
00573       case WID_RAT_BUILD_BRIDGE:
00574         HandlePlacePushButton(this, WID_RAT_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT);
00575         this->last_user_action = widget;
00576         break;
00577 
00578       case WID_RAT_BUILD_TUNNEL:
00579         HandlePlacePushButton(this, WID_RAT_BUILD_TUNNEL, GetRailTypeInfo(_cur_railtype)->cursor.tunnel, HT_SPECIAL);
00580         this->last_user_action = widget;
00581         break;
00582 
00583       case WID_RAT_REMOVE:
00584         BuildRailClick_Remove(this);
00585         break;
00586 
00587       case WID_RAT_CONVERT_RAIL:
00588         HandlePlacePushButton(this, WID_RAT_CONVERT_RAIL, GetRailTypeInfo(_cur_railtype)->cursor.convert, HT_RECT | HT_DIAGONAL);
00589         this->last_user_action = widget;
00590         break;
00591 
00592       default: NOT_REACHED();
00593     }
00594     this->UpdateRemoveWidgetStatus(widget);
00595     if (_ctrl_pressed) RailToolbar_CtrlChanged(this);
00596   }
00597 
00598   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
00599   {
00600     int num = CheckHotkeyMatch(railtoolbar_hotkeys, keycode, this);
00601     if (num == -1) return ES_NOT_HANDLED;
00602     this->OnClick(Point(), num, 1);
00603     MarkTileDirtyByTile(TileVirtXY(_thd.pos.x, _thd.pos.y)); // redraw tile selection
00604     return ES_HANDLED;
00605   }
00606 
00607   virtual void OnPlaceObject(Point pt, TileIndex tile)
00608   {
00609     switch (this->last_user_action) {
00610       case WID_RAT_BUILD_NS:
00611         VpStartPlaceSizing(tile, VPM_FIX_VERTICAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00612         break;
00613 
00614       case WID_RAT_BUILD_X:
00615         VpStartPlaceSizing(tile, VPM_FIX_Y | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00616         break;
00617 
00618       case WID_RAT_BUILD_EW:
00619         VpStartPlaceSizing(tile, VPM_FIX_HORIZONTAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00620         break;
00621 
00622       case WID_RAT_BUILD_Y:
00623         VpStartPlaceSizing(tile, VPM_FIX_X | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00624         break;
00625 
00626       case WID_RAT_AUTORAIL:
00627         VpStartPlaceSizing(tile, VPM_RAILDIRS, DDSP_PLACE_RAIL);
00628         break;
00629 
00630       case WID_RAT_DEMOLISH:
00631         PlaceProc_DemolishArea(tile);
00632         break;
00633 
00634       case WID_RAT_BUILD_DEPOT:
00635         DoCommandP(tile, _cur_railtype, _build_depot_direction,
00636             CMD_BUILD_TRAIN_DEPOT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_DEPOT),
00637             CcRailDepot);
00638         break;
00639 
00640       case WID_RAT_BUILD_WAYPOINT:
00641         PlaceRail_Waypoint(tile);
00642         break;
00643 
00644       case WID_RAT_BUILD_STATION:
00645         PlaceRail_Station(tile);
00646         break;
00647 
00648       case WID_RAT_BUILD_SIGNALS:
00649         VpStartPlaceSizing(tile, VPM_SIGNALDIRS, DDSP_BUILD_SIGNALS);
00650         break;
00651 
00652       case WID_RAT_BUILD_BRIDGE:
00653         PlaceRail_Bridge(tile, this);
00654         break;
00655 
00656       case WID_RAT_BUILD_TUNNEL:
00657         DoCommandP(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, CMD_BUILD_TUNNEL | CMD_MSG(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE), CcBuildRailTunnel);
00658         break;
00659 
00660       case WID_RAT_CONVERT_RAIL:
00661         VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CONVERT_RAIL);
00662         break;
00663 
00664       default: NOT_REACHED();
00665     }
00666   }
00667 
00668   virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
00669   {
00670     /* no dragging if you have pressed the convert button */
00671     if (FindWindowById(WC_BUILD_SIGNAL, 0) != NULL && _convert_signal_button && this->IsWidgetLowered(WID_RAT_BUILD_SIGNALS)) return;
00672 
00673     VpSelectTilesWithMethod(pt.x, pt.y, select_method);
00674   }
00675 
00676   virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile)
00677   {
00678     if (pt.x != -1) {
00679       switch (select_proc) {
00680         default: NOT_REACHED();
00681         case DDSP_BUILD_BRIDGE:
00682           if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00683           ShowBuildBridgeWindow(start_tile, end_tile, TRANSPORT_RAIL, _cur_railtype);
00684           break;
00685 
00686         case DDSP_PLACE_RAIL:
00687           HandleAutodirPlacement();
00688           break;
00689 
00690         case DDSP_BUILD_SIGNALS:
00691           HandleAutoSignalPlacement();
00692           break;
00693 
00694         case DDSP_DEMOLISH_AREA:
00695           GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
00696           break;
00697 
00698         case DDSP_CONVERT_RAIL:
00699           DoCommandP(end_tile, start_tile, _cur_railtype | (_ctrl_pressed ? 0x10 : 0), CMD_CONVERT_RAIL | CMD_MSG(STR_ERROR_CAN_T_CONVERT_RAIL), CcPlaySound10);
00700           break;
00701 
00702         case DDSP_REMOVE_STATION:
00703         case DDSP_BUILD_STATION:
00704           if (this->IsWidgetLowered(WID_RAT_BUILD_STATION)) {
00705             /* Station */
00706             if (_remove_button_clicked) {
00707               DoCommandP(end_tile, start_tile, _ctrl_pressed ? 0 : 1, CMD_REMOVE_FROM_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_REMOVE_PART_OF_STATION), CcPlaySound1E);
00708             } else {
00709               HandleStationPlacement(start_tile, end_tile);
00710             }
00711           } else {
00712             /* Waypoint */
00713             if (_remove_button_clicked) {
00714               DoCommandP(end_tile, start_tile, _ctrl_pressed ? 0 : 1, CMD_REMOVE_FROM_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_REMOVE_TRAIN_WAYPOINT), CcPlaySound1E);
00715             } else {
00716               TileArea ta(start_tile, end_tile);
00717               uint32 p1 = _cur_railtype | (select_method == VPM_FIX_X ? AXIS_X : AXIS_Y) << 4 | ta.w << 8 | ta.h << 16 | _ctrl_pressed << 24;
00718               uint32 p2 = STAT_CLASS_WAYP | _cur_waypoint_type << 8 | INVALID_STATION << 16;
00719 
00720               CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_WAYPOINT), CcPlaySound1E, "" };
00721               ShowSelectWaypointIfNeeded(cmdcont, ta);
00722             }
00723           }
00724           break;
00725       }
00726     }
00727   }
00728 
00729   virtual void OnPlaceObjectAbort()
00730   {
00731     this->RaiseButtons();
00732     this->DisableWidget(WID_RAT_REMOVE);
00733     this->SetWidgetDirty(WID_RAT_REMOVE);
00734 
00735     DeleteWindowById(WC_BUILD_SIGNAL, TRANSPORT_RAIL);
00736     DeleteWindowById(WC_BUILD_STATION, TRANSPORT_RAIL);
00737     DeleteWindowById(WC_BUILD_DEPOT, TRANSPORT_RAIL);
00738     DeleteWindowById(WC_BUILD_WAYPOINT, TRANSPORT_RAIL);
00739     DeleteWindowById(WC_SELECT_STATION, 0);
00740     DeleteWindowByClass(WC_BUILD_BRIDGE);
00741   }
00742 
00743   virtual void OnPlacePresize(Point pt, TileIndex tile)
00744   {
00745     DoCommand(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, DC_AUTO, CMD_BUILD_TUNNEL);
00746     VpSetPresizeRange(tile, _build_tunnel_endtile == 0 ? tile : _build_tunnel_endtile);
00747   }
00748 
00749   virtual EventState OnCTRLStateChange()
00750   {
00751     /* do not toggle Remove button by Ctrl when placing station */
00752     if (!this->IsWidgetLowered(WID_RAT_BUILD_STATION) && !this->IsWidgetLowered(WID_RAT_BUILD_WAYPOINT) && RailToolbar_CtrlChanged(this)) return ES_HANDLED;
00753     return ES_NOT_HANDLED;
00754   }
00755 
00756   static Hotkey<BuildRailToolbarWindow> railtoolbar_hotkeys[];
00757 };
00758 
00759 const uint16 _railtoolbar_autorail_keys[] = {'5', 'A' | WKC_GLOBAL_HOTKEY, 0};
00760 
00761 Hotkey<BuildRailToolbarWindow> BuildRailToolbarWindow::railtoolbar_hotkeys[] = {
00762   Hotkey<BuildRailToolbarWindow>('1', "build_ns", WID_RAT_BUILD_NS),
00763   Hotkey<BuildRailToolbarWindow>('2', "build_x", WID_RAT_BUILD_X),
00764   Hotkey<BuildRailToolbarWindow>('3', "build_ew", WID_RAT_BUILD_EW),
00765   Hotkey<BuildRailToolbarWindow>('4', "build_y", WID_RAT_BUILD_Y),
00766   Hotkey<BuildRailToolbarWindow>(_railtoolbar_autorail_keys, "autorail", WID_RAT_AUTORAIL),
00767   Hotkey<BuildRailToolbarWindow>('6', "demolish", WID_RAT_DEMOLISH),
00768   Hotkey<BuildRailToolbarWindow>('7', "depot", WID_RAT_BUILD_DEPOT),
00769   Hotkey<BuildRailToolbarWindow>('8', "waypoint", WID_RAT_BUILD_WAYPOINT),
00770   Hotkey<BuildRailToolbarWindow>('9', "station", WID_RAT_BUILD_STATION),
00771   Hotkey<BuildRailToolbarWindow>('S', "signal", WID_RAT_BUILD_SIGNALS),
00772   Hotkey<BuildRailToolbarWindow>('B', "bridge", WID_RAT_BUILD_BRIDGE),
00773   Hotkey<BuildRailToolbarWindow>('T', "tunnel", WID_RAT_BUILD_TUNNEL),
00774   Hotkey<BuildRailToolbarWindow>('R', "remove", WID_RAT_REMOVE),
00775   Hotkey<BuildRailToolbarWindow>('C', "convert", WID_RAT_CONVERT_RAIL),
00776   HOTKEY_LIST_END(BuildRailToolbarWindow)
00777 };
00778 Hotkey<BuildRailToolbarWindow> *_railtoolbar_hotkeys = BuildRailToolbarWindow::railtoolbar_hotkeys;
00779 
00780 static const NWidgetPart _nested_build_rail_widgets[] = {
00781   NWidget(NWID_HORIZONTAL),
00782     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00783     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_RAT_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00784     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00785   EndContainer(),
00786   NWidget(NWID_HORIZONTAL),
00787     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_NS),
00788             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00789     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_X),
00790             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00791     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_EW),
00792             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_EW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00793     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_Y),
00794             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00795     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_AUTORAIL),
00796             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTORAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_AUTORAIL),
00797 
00798     NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetMinimalSize(4, 22), SetDataTip(0x0, STR_NULL), EndContainer(),
00799 
00800     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_DEMOLISH),
00801             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
00802     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_DEPOT),
00803             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DEPOT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_TRAIN_DEPOT_FOR_BUILDING),
00804     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_WAYPOINT),
00805             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_WAYPOINT, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL_TO_WAYPOINT),
00806     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_STATION),
00807             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_RAIL_STATION, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_STATION),
00808     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_SIGNALS),
00809             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_SIGNALS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_SIGNALS),
00810     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_BRIDGE),
00811             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_BRIDGE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_BRIDGE),
00812     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_BUILD_TUNNEL),
00813             SetFill(0, 1), SetMinimalSize(20, 22), SetDataTip(SPR_IMG_TUNNEL_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TUNNEL),
00814     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_REMOVE),
00815             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_RAIL_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR),
00816     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_RAT_CONVERT_RAIL),
00817             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL),
00818   EndContainer(),
00819 };
00820 
00821 static const WindowDesc _build_rail_desc(
00822   WDP_ALIGN_TOOLBAR, 0, 0,
00823   WC_BUILD_TOOLBAR, WC_NONE,
00824   WDF_CONSTRUCTION,
00825   _nested_build_rail_widgets, lengthof(_nested_build_rail_widgets)
00826 );
00827 
00828 
00837 Window *ShowBuildRailToolbar(RailType railtype)
00838 {
00839   if (!Company::IsValidID(_local_company)) return NULL;
00840   if (!ValParamRailtype(railtype)) return NULL;
00841 
00842   DeleteWindowByClass(WC_BUILD_TOOLBAR);
00843   _cur_railtype = railtype;
00844   _remove_button_clicked = false;
00845   return new BuildRailToolbarWindow(&_build_rail_desc, railtype);
00846 }
00847 
00848 EventState RailToolbarGlobalHotkeys(uint16 key, uint16 keycode)
00849 {
00850   if (!CanBuildVehicleInfrastructure(VEH_TRAIN)) return ES_NOT_HANDLED;
00851   extern RailType _last_built_railtype;
00852   int num = CheckHotkeyMatch<BuildRailToolbarWindow>(_railtoolbar_hotkeys, keycode, NULL, true);
00853   if (num == -1) return ES_NOT_HANDLED;
00854   Window *w = ShowBuildRailToolbar(_last_built_railtype);
00855   if (w == NULL) return ES_NOT_HANDLED;
00856   return w->OnKeyPress(key, keycode);
00857 }
00858 
00859 /* TODO: For custom stations, respect their allowed platforms/lengths bitmasks!
00860  * --pasky */
00861 
00862 static void HandleStationPlacement(TileIndex start, TileIndex end)
00863 {
00864   TileArea ta(start, end);
00865   uint numtracks = ta.w;
00866   uint platlength = ta.h;
00867 
00868   if (_railstation.orientation == AXIS_X) Swap(numtracks, platlength);
00869 
00870   uint32 p1 = _cur_railtype | _railstation.orientation << 4 | numtracks << 8 | platlength << 16 | _ctrl_pressed << 24;
00871   uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00872 
00873   CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00874   ShowSelectStationIfNeeded(cmdcont, ta);
00875 }
00876 
00877 struct BuildRailStationWindow : public PickerWindowBase {
00878 private:
00879   uint line_height;     
00880   uint coverage_height; 
00881   Scrollbar *vscroll;   
00882   Scrollbar *vscroll2;  
00883 
00889   void CheckSelectedSize(const StationSpec *statspec)
00890   {
00891     if (statspec == NULL || _settings_client.gui.station_dragdrop) return;
00892 
00893     /* If current number of tracks is not allowed, make it as big as possible (which is always less than currently selected) */
00894     if (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00895       this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00896       _settings_client.gui.station_numtracks = 1;
00897       while (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00898         _settings_client.gui.station_numtracks++;
00899       }
00900       this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00901     }
00902 
00903     if (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00904       this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00905       _settings_client.gui.station_platlength = 1;
00906       while (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00907         _settings_client.gui.station_platlength++;
00908       }
00909       this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00910     }
00911   }
00912 
00913 public:
00914   BuildRailStationWindow(const WindowDesc *desc, Window *parent, bool newstation) : PickerWindowBase(parent)
00915   {
00916     this->coverage_height = 2 * FONT_HEIGHT_NORMAL + 3 * WD_PAR_VSEP_NORMAL;
00917     this->vscroll = NULL;
00918     _railstation.newstations = newstation;
00919 
00920     this->CreateNestedTree(desc);
00921     NWidgetStacked *newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_ADDITIONS);
00922     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00923     newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_MATRIX);
00924     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00925     newst_additions = this->GetWidget<NWidgetStacked>(WID_BRAS_SHOW_NEWST_RESIZE);
00926     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00927     this->FinishInitNested(desc, TRANSPORT_RAIL);
00928 
00929     this->LowerWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
00930     if (_settings_client.gui.station_dragdrop) {
00931       this->LowerWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
00932     } else {
00933       this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
00934       this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
00935     }
00936     this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
00937     this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
00938 
00939     if (!newstation || _railstation.station_class >= (int)StationClass::GetCount()) {
00940       /* New stations are not available or changed, so ensure the default station
00941        * type is 'selected'. */
00942       _railstation.station_class = STAT_CLASS_DFLT;
00943       _railstation.station_type = 0;
00944       this->vscroll2 = NULL;
00945     }
00946     if (newstation) {
00947       _railstation.station_count = StationClass::GetCount(_railstation.station_class);
00948       _railstation.station_type = min(_railstation.station_type, _railstation.station_count - 1);
00949 
00950       int count = 0;
00951       for (uint i = 0; i < StationClass::GetCount(); i++) {
00952         if (i == STAT_CLASS_WAYP) continue;
00953         count++;
00954       }
00955       this->vscroll = this->GetScrollbar(WID_BRAS_NEWST_SCROLL);
00956       this->vscroll->SetCount(count);
00957       this->vscroll->SetCapacity(GB(this->GetWidget<NWidgetCore>(WID_BRAS_NEWST_LIST)->widget_data, MAT_ROW_START, MAT_ROW_BITS));
00958       this->vscroll->SetPosition(Clamp(_railstation.station_class - 2, 0, max(this->vscroll->GetCount() - this->vscroll->GetCapacity(), 0)));
00959 
00960       this->vscroll2 = this->GetScrollbar(WID_BRAS_MATRIX_SCROLL);
00961       NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX);
00962       matrix->SetScrollbar(this->vscroll2);
00963       matrix->SetCount(_railstation.station_count);
00964       matrix->SetClicked(_railstation.station_type);
00965     }
00966   }
00967 
00968   virtual ~BuildRailStationWindow()
00969   {
00970     DeleteWindowById(WC_SELECT_STATION, 0);
00971   }
00972 
00973   virtual void OnPaint()
00974   {
00975     bool newstations = _railstation.newstations;
00976     const StationSpec *statspec = newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
00977 
00978     if (_settings_client.gui.station_dragdrop) {
00979       SetTileSelectSize(1, 1);
00980     } else {
00981       int x = _settings_client.gui.station_numtracks;
00982       int y = _settings_client.gui.station_platlength;
00983       if (_railstation.orientation == AXIS_X) Swap(x, y);
00984       if (!_remove_button_clicked) {
00985         SetTileSelectSize(x, y);
00986       }
00987     }
00988 
00989     int rad = (_settings_game.station.modified_catchment) ? CA_TRAIN : CA_UNMODIFIED;
00990 
00991     if (_settings_client.gui.station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
00992 
00993     for (uint bits = 0; bits < 7; bits++) {
00994       bool disable = bits >= _settings_game.station.station_spread;
00995       if (statspec == NULL) {
00996         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_NUM_1, disable);
00997         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_LEN_1, disable);
00998       } else {
00999         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_NUM_1, HasBit(statspec->disallowed_platforms, bits) || disable);
01000         this->SetWidgetDisabledState(bits + WID_BRAS_PLATFORM_LEN_1, HasBit(statspec->disallowed_lengths,   bits) || disable);
01001       }
01002     }
01003 
01004     this->DrawWidgets();
01005 
01006     /* 'Accepts' and 'Supplies' texts. */
01007     NWidgetBase *cov = this->GetWidget<NWidgetBase>(WID_BRAS_COVERAGE_TEXTS);
01008     int top = cov->pos_y + WD_PAR_VSEP_NORMAL;
01009     int left = cov->pos_x + WD_FRAMERECT_LEFT;
01010     int right = cov->pos_x + cov->current_x - WD_FRAMERECT_RIGHT;
01011     int bottom = cov->pos_y + cov->current_y;
01012     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, false) + WD_PAR_VSEP_NORMAL;
01013     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, true) + WD_PAR_VSEP_NORMAL;
01014     /* Resize the coverage text space if the text is not equally long as the window. */
01015     if (top != bottom) {
01016       this->coverage_height += top - bottom;
01017       this->ReInit();
01018     }
01019   }
01020 
01021   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01022   {
01023     switch (widget) {
01024       case WID_BRAS_NEWST_LIST: {
01025         Dimension d = {0, 0};
01026         for (uint i = 0; i < StationClass::GetCount(); i++) {
01027           if (i == STAT_CLASS_WAYP) continue;
01028           SetDParam(0, StationClass::GetName((StationClassID)i));
01029           d = maxdim(d, GetStringBoundingBox(STR_BLACK_STRING));
01030         }
01031         size->width = max(size->width, d.width + padding.width);
01032         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
01033         size->height = GB(this->GetWidget<NWidgetCore>(widget)->widget_data, MAT_ROW_START, MAT_ROW_BITS) * this->line_height;
01034         resize->height = this->line_height;
01035         break;
01036       }
01037 
01038       case WID_BRAS_SHOW_NEWST_TYPE: {
01039         if (!_railstation.newstations) {
01040           size->width = 0;
01041           size->height = 0;
01042           break;
01043         }
01044 
01045         /* If newstations exist, compute the non-zero minimal size. */
01046         Dimension d = {0, 0};
01047         StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
01048         for (StationClassID statclass = STAT_CLASS_BEGIN; statclass < (StationClassID)StationClass::GetCount(); statclass++) {
01049           if (statclass == STAT_CLASS_WAYP) continue;
01050           for (uint16 j = 0; j < StationClass::GetCount(statclass); j++) {
01051             const StationSpec *statspec = StationClass::Get(statclass, j);
01052             SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01053             d = maxdim(d, GetStringBoundingBox(str));
01054           }
01055         }
01056         size->width = max(size->width, d.width + padding.width);
01057         break;
01058       }
01059 
01060       case WID_BRAS_COVERAGE_TEXTS:
01061         size->height = this->coverage_height;
01062         break;
01063 
01064       case WID_BRAS_MATRIX:
01065         fill->height = 1;
01066         resize->height = 1;
01067         break;
01068     }
01069   }
01070 
01071   virtual void DrawWidget(const Rect &r, int widget) const
01072   {
01073     DrawPixelInfo tmp_dpi;
01074 
01075     switch (GB(widget, 0, 16)) {
01076       case WID_BRAS_PLATFORM_DIR_X:
01077         /* Set up a clipping area for the '/' station preview */
01078         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01079           DrawPixelInfo *old_dpi = _cur_dpi;
01080           _cur_dpi = &tmp_dpi;
01081           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_X, _railstation.station_class, _railstation.station_type)) {
01082             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2);
01083           }
01084           _cur_dpi = old_dpi;
01085         }
01086         break;
01087 
01088       case WID_BRAS_PLATFORM_DIR_Y:
01089         /* Set up a clipping area for the '\' station preview */
01090         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01091           DrawPixelInfo *old_dpi = _cur_dpi;
01092           _cur_dpi = &tmp_dpi;
01093           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_Y, _railstation.station_class, _railstation.station_type)) {
01094             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 3);
01095           }
01096           _cur_dpi = old_dpi;
01097         }
01098         break;
01099 
01100       case WID_BRAS_NEWST_LIST: {
01101         uint statclass = 0;
01102         uint row = 0;
01103         for (uint i = 0; i < StationClass::GetCount(); i++) {
01104           if (i == STAT_CLASS_WAYP) continue;
01105           if (this->vscroll->IsVisible(statclass)) {
01106             SetDParam(0, StationClass::GetName((StationClassID)i));
01107             DrawString(r.left + WD_MATRIX_LEFT, r.right - WD_MATRIX_RIGHT, row * this->line_height + r.top + WD_MATRIX_TOP, STR_JUST_STRING,
01108                 (StationClassID)i == _railstation.station_class ? TC_WHITE : TC_BLACK);
01109             row++;
01110           }
01111           statclass++;
01112         }
01113         break;
01114       }
01115 
01116       case WID_BRAS_IMAGE: {
01117         byte type = GB(widget, 16, 16);
01118         assert(type < _railstation.station_count);
01119         /* Check station availability callback */
01120         const StationSpec *statspec = StationClass::Get(_railstation.station_class, type);
01121         if (!IsStationAvailable(statspec)) {
01122           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
01123         }
01124 
01125         /* Set up a clipping area for the station preview. */
01126         if (FillDrawPixelInfo(&tmp_dpi, r.left + 1, r.top + 1, r.right - (r.left + 1) + 1, r.bottom - 1 - (r.top + 1) + 1)) {
01127           DrawPixelInfo *old_dpi = _cur_dpi;
01128           _cur_dpi = &tmp_dpi;
01129           if (!DrawStationTile(31, 29, _cur_railtype, _railstation.orientation, _railstation.station_class, type)) {
01130             StationPickerDrawSprite(31, 29, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2 + _railstation.orientation);
01131           }
01132           _cur_dpi = old_dpi;
01133         }
01134         break;
01135       }
01136     }
01137   }
01138 
01139   virtual void OnResize()
01140   {
01141     if (this->vscroll != NULL) { // New stations available.
01142       this->vscroll->SetCapacityFromWidget(this, WID_BRAS_NEWST_LIST);
01143       this->GetWidget<NWidgetCore>(WID_BRAS_NEWST_LIST)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
01144     }
01145   }
01146 
01147   virtual void SetStringParameters(int widget) const
01148   {
01149     if (widget == WID_BRAS_SHOW_NEWST_TYPE) {
01150       const StationSpec *statspec = StationClass::Get(_railstation.station_class, _railstation.station_type);
01151       SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01152     }
01153   }
01154 
01155   virtual void OnClick(Point pt, int widget, int click_count)
01156   {
01157     switch (GB(widget, 0, 16)) {
01158       case WID_BRAS_PLATFORM_DIR_X:
01159       case WID_BRAS_PLATFORM_DIR_Y:
01160         this->RaiseWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
01161         _railstation.orientation = (Axis)(widget - WID_BRAS_PLATFORM_DIR_X);
01162         this->LowerWidget(_railstation.orientation + WID_BRAS_PLATFORM_DIR_X);
01163         SndPlayFx(SND_15_BEEP);
01164         this->SetDirty();
01165         DeleteWindowById(WC_SELECT_STATION, 0);
01166         break;
01167 
01168       case WID_BRAS_PLATFORM_NUM_1:
01169       case WID_BRAS_PLATFORM_NUM_2:
01170       case WID_BRAS_PLATFORM_NUM_3:
01171       case WID_BRAS_PLATFORM_NUM_4:
01172       case WID_BRAS_PLATFORM_NUM_5:
01173       case WID_BRAS_PLATFORM_NUM_6:
01174       case WID_BRAS_PLATFORM_NUM_7: {
01175         this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01176         this->RaiseWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
01177 
01178         _settings_client.gui.station_numtracks = widget - WID_BRAS_PLATFORM_NUM_BEGIN;
01179         _settings_client.gui.station_dragdrop = false;
01180 
01181         _settings_client.gui.station_dragdrop = false;
01182 
01183         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01184         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01185           /* The previously selected number of platforms in invalid */
01186           for (uint i = 0; i < 7; i++) {
01187             if (!HasBit(statspec->disallowed_lengths, i)) {
01188               this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01189               _settings_client.gui.station_platlength = i + 1;
01190               break;
01191             }
01192           }
01193         }
01194 
01195         this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01196         this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01197         SndPlayFx(SND_15_BEEP);
01198         this->SetDirty();
01199         DeleteWindowById(WC_SELECT_STATION, 0);
01200         break;
01201       }
01202 
01203       case WID_BRAS_PLATFORM_LEN_1:
01204       case WID_BRAS_PLATFORM_LEN_2:
01205       case WID_BRAS_PLATFORM_LEN_3:
01206       case WID_BRAS_PLATFORM_LEN_4:
01207       case WID_BRAS_PLATFORM_LEN_5:
01208       case WID_BRAS_PLATFORM_LEN_6:
01209       case WID_BRAS_PLATFORM_LEN_7: {
01210         this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01211         this->RaiseWidget(WID_BRAS_PLATFORM_DRAG_N_DROP);
01212 
01213         _settings_client.gui.station_platlength = widget - WID_BRAS_PLATFORM_LEN_BEGIN;
01214         _settings_client.gui.station_dragdrop = false;
01215 
01216         _settings_client.gui.station_dragdrop = false;
01217 
01218         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01219         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01220           /* The previously selected number of tracks in invalid */
01221           for (uint i = 0; i < 7; i++) {
01222             if (!HasBit(statspec->disallowed_platforms, i)) {
01223               this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01224               _settings_client.gui.station_numtracks = i + 1;
01225               break;
01226             }
01227           }
01228         }
01229 
01230         this->LowerWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01231         this->LowerWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01232         SndPlayFx(SND_15_BEEP);
01233         this->SetDirty();
01234         DeleteWindowById(WC_SELECT_STATION, 0);
01235         break;
01236       }
01237 
01238       case WID_BRAS_PLATFORM_DRAG_N_DROP: {
01239         _settings_client.gui.station_dragdrop ^= true;
01240 
01241         this->ToggleWidgetLoweredState(WID_BRAS_PLATFORM_DRAG_N_DROP);
01242 
01243         /* get the first allowed length/number of platforms */
01244         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01245         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01246           for (uint i = 0; i < 7; i++) {
01247             if (!HasBit(statspec->disallowed_lengths, i)) {
01248               this->RaiseWidget(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN);
01249               _settings_client.gui.station_platlength = i + 1;
01250               break;
01251             }
01252           }
01253         }
01254         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01255           for (uint i = 0; i < 7; i++) {
01256             if (!HasBit(statspec->disallowed_platforms, i)) {
01257               this->RaiseWidget(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN);
01258               _settings_client.gui.station_numtracks = i + 1;
01259               break;
01260             }
01261           }
01262         }
01263 
01264         this->SetWidgetLoweredState(_settings_client.gui.station_numtracks + WID_BRAS_PLATFORM_NUM_BEGIN, !_settings_client.gui.station_dragdrop);
01265         this->SetWidgetLoweredState(_settings_client.gui.station_platlength + WID_BRAS_PLATFORM_LEN_BEGIN, !_settings_client.gui.station_dragdrop);
01266         SndPlayFx(SND_15_BEEP);
01267         this->SetDirty();
01268         DeleteWindowById(WC_SELECT_STATION, 0);
01269         break;
01270       }
01271 
01272       case WID_BRAS_HIGHLIGHT_OFF:
01273       case WID_BRAS_HIGHLIGHT_ON:
01274         _settings_client.gui.station_show_coverage = (widget != WID_BRAS_HIGHLIGHT_OFF);
01275 
01276         this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
01277         this->SetWidgetLoweredState(WID_BRAS_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
01278         SndPlayFx(SND_15_BEEP);
01279         this->SetDirty();
01280         break;
01281 
01282       case WID_BRAS_NEWST_LIST: {
01283         int y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_BRAS_NEWST_LIST, 0, this->line_height);
01284         if (y >= (int)StationClass::GetCount()) return;
01285         for (uint i = 0; i < StationClass::GetCount(); i++) {
01286           if (i == STAT_CLASS_WAYP) continue;
01287           if (y == 0) {
01288             if (_railstation.station_class != (StationClassID)i) {
01289               _railstation.station_class = (StationClassID)i;
01290               _railstation.station_count = StationClass::GetCount(_railstation.station_class);
01291               _railstation.station_type  = min((int)_railstation.station_type, max(0, (int)_railstation.station_count - 1));
01292 
01293               this->CheckSelectedSize(StationClass::Get(_railstation.station_class, _railstation.station_type));
01294 
01295               NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX);
01296               matrix->SetCount(_railstation.station_count);
01297               matrix->SetClicked(_railstation.station_type);
01298             }
01299             SndPlayFx(SND_15_BEEP);
01300             this->SetDirty();
01301             DeleteWindowById(WC_SELECT_STATION, 0);
01302             break;
01303           }
01304           y--;
01305         }
01306         break;
01307       }
01308 
01309       case WID_BRAS_IMAGE: {
01310         int y = GB(widget, 16, 16);
01311         if (y >= _railstation.station_count) return;
01312 
01313         /* Check station availability callback */
01314         const StationSpec *statspec = StationClass::Get(_railstation.station_class, y);
01315         if (!IsStationAvailable(statspec)) return;
01316 
01317         _railstation.station_type = y;
01318 
01319         this->CheckSelectedSize(statspec);
01320         this->GetWidget<NWidgetMatrix>(WID_BRAS_MATRIX)->SetClicked(_railstation.station_type);
01321 
01322         SndPlayFx(SND_15_BEEP);
01323         this->SetDirty();
01324         DeleteWindowById(WC_SELECT_STATION, 0);
01325         break;
01326       }
01327     }
01328   }
01329 
01330   virtual void OnTick()
01331   {
01332     CheckRedrawStationCoverage(this);
01333   }
01334 };
01335 
01336 static const NWidgetPart _nested_station_builder_widgets[] = {
01337   NWidget(NWID_HORIZONTAL),
01338     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01339     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_RAIL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01340   EndContainer(),
01341   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01342     NWidget(NWID_HORIZONTAL),
01343       NWidget(NWID_VERTICAL),
01344         NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_ADDITIONS),
01345           NWidget(NWID_HORIZONTAL), SetPIP(7, 0, 7), SetPadding(2, 0, 1, 0),
01346             NWidget(WWT_MATRIX, COLOUR_GREY, WID_BRAS_NEWST_LIST), SetMinimalSize(122, 71), SetFill(1, 0),
01347                 SetDataTip(0x501, STR_STATION_BUILD_STATION_CLASS_TOOLTIP), SetScrollbar(WID_BRAS_NEWST_SCROLL),
01348             NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_BRAS_NEWST_SCROLL),
01349           EndContainer(),
01350         EndContainer(),
01351         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_ORIENTATION, STR_NULL), SetPadding(1, 2, 0, 2),
01352         NWidget(NWID_HORIZONTAL),
01353           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01354           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(),
01355           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01356           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(),
01357           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01358         EndContainer(),
01359         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),
01360         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_NUMBER_OF_TRACKS, STR_NULL), SetPadding(0, 2, 0, 2),
01361         NWidget(NWID_HORIZONTAL),
01362           NWidget(NWID_SPACER), SetFill(1, 0),
01363           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01364           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01365           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01366           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01367           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01368           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01369           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_NUM_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01370           NWidget(NWID_SPACER), SetFill(1, 0),
01371         EndContainer(),
01372         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_PLATFORM_LENGTH, STR_NULL), SetPadding(2, 2, 0, 2),
01373         NWidget(NWID_HORIZONTAL),
01374           NWidget(NWID_SPACER), SetFill(1, 0),
01375           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01376           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01377           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01378           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01379           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01380           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01381           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_PLATFORM_LEN_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01382           NWidget(NWID_SPACER), SetFill(1, 0),
01383         EndContainer(),
01384         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01385         NWidget(NWID_HORIZONTAL),
01386           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01387           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),
01388           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01389         EndContainer(),
01390         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetPadding(3, 2, 0, 2),
01391         NWidget(NWID_HORIZONTAL),
01392           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01393           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_HIGHLIGHT_OFF), SetMinimalSize(60, 12),
01394                         SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
01395           NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_BRAS_HIGHLIGHT_ON), SetMinimalSize(60, 12),
01396                         SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
01397           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01398         EndContainer(),
01399       EndContainer(),
01400       NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_MATRIX),
01401         /* We need an additional background for the matrix, as the matrix cannot handle the scrollbar due to not being an NWidgetCore. */
01402         NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetScrollbar(WID_BRAS_MATRIX_SCROLL),
01403           NWidget(NWID_HORIZONTAL),
01404             NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, WID_BRAS_MATRIX), SetScrollbar(WID_BRAS_MATRIX_SCROLL), SetPIP(0, 2, 0), SetPadding(2, 0, 0, 0),
01405               NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BRAS_IMAGE), SetMinimalSize(66, 60),
01406                   SetFill(0, 0), SetResize(0, 0), SetDataTip(0x0, STR_STATION_BUILD_STATION_TYPE_TOOLTIP), SetScrollbar(WID_BRAS_MATRIX_SCROLL),
01407               EndContainer(),
01408             EndContainer(),
01409             NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_BRAS_MATRIX_SCROLL),
01410           EndContainer(),
01411         EndContainer(),
01412       EndContainer(),
01413     EndContainer(),
01414     NWidget(NWID_HORIZONTAL),
01415       NWidget(WWT_EMPTY, INVALID_COLOUR, WID_BRAS_COVERAGE_TEXTS), SetFill(1, 1), SetResize(1, 0),
01416       NWidget(NWID_SELECTION, INVALID_COLOUR, WID_BRAS_SHOW_NEWST_RESIZE),
01417         NWidget(NWID_VERTICAL),
01418           NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(0, 1), EndContainer(),
01419           NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01420         EndContainer(),
01421       EndContainer(),
01422     EndContainer(),
01423   EndContainer(),
01424 };
01425 
01427 static const WindowDesc _station_builder_desc(
01428   WDP_AUTO, 350, 0,
01429   WC_BUILD_STATION, WC_BUILD_TOOLBAR,
01430   WDF_CONSTRUCTION,
01431   _nested_station_builder_widgets, lengthof(_nested_station_builder_widgets)
01432 );
01433 
01435 static void ShowStationBuilder(Window *parent)
01436 {
01437   bool newstations = StationClass::GetCount() > 2 || StationClass::GetCount(STAT_CLASS_DFLT) != 1;
01438   new BuildRailStationWindow(&_station_builder_desc, parent, newstations);
01439 }
01440 
01441 struct BuildSignalWindow : public PickerWindowBase {
01442 private:
01450   void DrawSignalSprite(byte widget_index, SpriteID image) const
01451   {
01452     /* First get the right image, which is one later for 'green' signals. */
01453     image += this->IsWidgetLowered(widget_index);
01454 
01455     /* Next get the actual sprite so we can calculate the right offsets. */
01456     const Sprite *sprite = GetSprite(image, ST_NORMAL);
01457 
01458     /* For the x offset we want the sprite to be centered, so undo the offset
01459      * for sprite drawing and add half of the sprite's width. For the y offset
01460      * we want the sprite to be aligned on the bottom, so again we undo the
01461      * offset for sprite drawing and assume it is the bottom of the sprite. */
01462     int sprite_center_x_offset = UnScaleByZoom(sprite->x_offs + sprite->width / 2, ZOOM_LVL_GUI);
01463     int sprite_bottom_y_offset = UnScaleByZoom(sprite->height + sprite->y_offs, ZOOM_LVL_GUI);
01464 
01465     /* Next we want to know where on the window to draw. Calculate the center
01466      * and the bottom of the area to draw. */
01467     const NWidgetBase *widget = this->GetWidget<NWidgetBase>(widget_index);
01468     int widget_center_x = widget->pos_x + widget->current_x / 2;
01469     int widget_bottom_y = widget->pos_y + widget->current_y - 2;
01470 
01471     /* Finally we draw the signal. */
01472     DrawSprite(image, PAL_NONE,
01473         widget_center_x - sprite_center_x_offset + this->IsWidgetLowered(widget_index),
01474         widget_bottom_y - sprite_bottom_y_offset + this->IsWidgetLowered(widget_index));
01475   }
01476 
01477 public:
01478   BuildSignalWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01479   {
01480     this->InitNested(desc, TRANSPORT_RAIL);
01481     this->OnInvalidateData();
01482   }
01483 
01484   virtual void SetStringParameters(int widget) const
01485   {
01486     switch (widget) {
01487       case WID_BS_DRAG_SIGNALS_DENSITY_LABEL:
01488         SetDParam(0, _settings_client.gui.drag_signals_density);
01489         break;
01490     }
01491   }
01492 
01493   virtual void DrawWidget(const Rect &r, int widget) const
01494   {
01495     if (IsInsideMM(widget, WID_BS_SEMAPHORE_NORM, WID_BS_ELECTRIC_PBS_OWAY + 1)) {
01496       /* We need to do some custom sprite widget drawing for the signals. */
01497       const SpriteID _signal_lookup[] = {
01498         SPR_IMG_SIGNAL_SEMAPHORE_NORM,  SPR_IMG_SIGNAL_SEMAPHORE_ENTRY, SPR_IMG_SIGNAL_SEMAPHORE_EXIT,
01499         SPR_IMG_SIGNAL_SEMAPHORE_COMBO, SPR_IMG_SIGNAL_SEMAPHORE_PBS,   SPR_IMG_SIGNAL_SEMAPHORE_PBS_OWAY,
01500 
01501         SPR_IMG_SIGNAL_ELECTRIC_NORM,  SPR_IMG_SIGNAL_ELECTRIC_ENTRY, SPR_IMG_SIGNAL_ELECTRIC_EXIT,
01502         SPR_IMG_SIGNAL_ELECTRIC_COMBO, SPR_IMG_SIGNAL_ELECTRIC_PBS,   SPR_IMG_SIGNAL_ELECTRIC_PBS_OWAY
01503       };
01504 
01505       this->DrawSignalSprite(widget, _signal_lookup[widget - WID_BS_SEMAPHORE_NORM]);
01506     }
01507   }
01508 
01509   virtual void OnClick(Point pt, int widget, int click_count)
01510   {
01511     switch (widget) {
01512       case WID_BS_SEMAPHORE_NORM:
01513       case WID_BS_SEMAPHORE_ENTRY:
01514       case WID_BS_SEMAPHORE_EXIT:
01515       case WID_BS_SEMAPHORE_COMBO:
01516       case WID_BS_SEMAPHORE_PBS:
01517       case WID_BS_SEMAPHORE_PBS_OWAY:
01518       case WID_BS_ELECTRIC_NORM:
01519       case WID_BS_ELECTRIC_ENTRY:
01520       case WID_BS_ELECTRIC_EXIT:
01521       case WID_BS_ELECTRIC_COMBO:
01522       case WID_BS_ELECTRIC_PBS:
01523       case WID_BS_ELECTRIC_PBS_OWAY:
01524         this->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01525 
01526         _cur_signal_type = (SignalType)((uint)((widget - WID_BS_SEMAPHORE_NORM) % (SIGTYPE_LAST + 1)));
01527         _cur_signal_variant = widget >= WID_BS_ELECTRIC_NORM ? SIG_ELECTRIC : SIG_SEMAPHORE;
01528         break;
01529 
01530       case WID_BS_CONVERT:
01531         _convert_signal_button = !_convert_signal_button;
01532         break;
01533 
01534       case WID_BS_DRAG_SIGNALS_DENSITY_DECREASE:
01535         if (_settings_client.gui.drag_signals_density > 1) {
01536           _settings_client.gui.drag_signals_density--;
01537           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_SETTINGS);
01538         }
01539         break;
01540 
01541       case WID_BS_DRAG_SIGNALS_DENSITY_INCREASE:
01542         if (_settings_client.gui.drag_signals_density < 20) {
01543           _settings_client.gui.drag_signals_density++;
01544           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_SETTINGS);
01545         }
01546         break;
01547 
01548       default: break;
01549     }
01550 
01551     this->InvalidateData();
01552   }
01553 
01559   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
01560   {
01561     if (!gui_scope) return;
01562     this->LowerWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01563 
01564     this->SetWidgetLoweredState(WID_BS_CONVERT, _convert_signal_button);
01565 
01566     this->SetWidgetDisabledState(WID_BS_DRAG_SIGNALS_DENSITY_DECREASE, _settings_client.gui.drag_signals_density == 1);
01567     this->SetWidgetDisabledState(WID_BS_DRAG_SIGNALS_DENSITY_INCREASE, _settings_client.gui.drag_signals_density == 20);
01568   }
01569 };
01570 
01572 static const NWidgetPart _nested_signal_builder_widgets[] = {
01573   NWidget(NWID_HORIZONTAL),
01574     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01575     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_SIGNAL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01576   EndContainer(),
01577   NWidget(NWID_VERTICAL, NC_EQUALSIZE),
01578     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01579       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01580       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01581       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01582       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01583       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_SEMAPHORE_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01584       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),
01585       NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, WID_BS_CONVERT), SetDataTip(SPR_IMG_SIGNAL_CONVERT, STR_BUILD_SIGNAL_CONVERT_TOOLTIP), SetFill(1, 1),
01586     EndContainer(),
01587     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01588       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01589       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01590       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01591       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01592       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BS_ELECTRIC_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01593       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),
01594       NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01595         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),
01596         NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
01597           NWidget(NWID_SPACER), SetFill(1, 0),
01598           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),
01599           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),
01600           NWidget(NWID_SPACER), SetFill(1, 0),
01601         EndContainer(),
01602         NWidget(NWID_SPACER), SetMinimalSize(0, 2), SetFill(1, 0),
01603       EndContainer(),
01604     EndContainer(),
01605   EndContainer(),
01606 };
01607 
01609 static const WindowDesc _signal_builder_desc(
01610   WDP_AUTO, 0, 0,
01611   WC_BUILD_SIGNAL, WC_BUILD_TOOLBAR,
01612   WDF_UNCLICK_BUTTONS | WDF_CONSTRUCTION,
01613   _nested_signal_builder_widgets, lengthof(_nested_signal_builder_widgets)
01614 );
01615 
01619 static void ShowSignalBuilder(Window *parent)
01620 {
01621   new BuildSignalWindow(&_signal_builder_desc, parent);
01622 }
01623 
01624 struct BuildRailDepotWindow : public PickerWindowBase {
01625   BuildRailDepotWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01626   {
01627     this->InitNested(desc, TRANSPORT_RAIL);
01628     this->LowerWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01629   }
01630 
01631   virtual void DrawWidget(const Rect &r, int widget) const
01632   {
01633     if (!IsInsideMM(widget, WID_BRAD_DEPOT_NE, WID_BRAD_DEPOT_NW + 1)) return;
01634 
01635     DrawTrainDepotSprite(r.left - 1, r.top, widget - WID_BRAD_DEPOT_NE + DIAGDIR_NE, _cur_railtype);
01636   }
01637 
01638   virtual void OnClick(Point pt, int widget, int click_count)
01639   {
01640     switch (widget) {
01641       case WID_BRAD_DEPOT_NE:
01642       case WID_BRAD_DEPOT_SE:
01643       case WID_BRAD_DEPOT_SW:
01644       case WID_BRAD_DEPOT_NW:
01645         this->RaiseWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01646         _build_depot_direction = (DiagDirection)(widget - WID_BRAD_DEPOT_NE);
01647         this->LowerWidget(_build_depot_direction + WID_BRAD_DEPOT_NE);
01648         SndPlayFx(SND_15_BEEP);
01649         this->SetDirty();
01650         break;
01651     }
01652   }
01653 };
01654 
01656 static const NWidgetPart _nested_build_depot_widgets[] = {
01657   NWidget(NWID_HORIZONTAL),
01658     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01659     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_DEPOT_TRAIN_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01660   EndContainer(),
01661   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01662     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01663     NWidget(NWID_HORIZONTAL_LTR),
01664       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01665       NWidget(NWID_VERTICAL),
01666         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01667         EndContainer(),
01668         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01669         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01670         EndContainer(),
01671       EndContainer(),
01672       NWidget(NWID_SPACER), SetMinimalSize(2, 0),
01673       NWidget(NWID_VERTICAL),
01674         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01675         EndContainer(),
01676         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01677         NWidget(WWT_PANEL, COLOUR_GREY, WID_BRAD_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01678         EndContainer(),
01679       EndContainer(),
01680       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01681     EndContainer(),
01682     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01683   EndContainer(),
01684 };
01685 
01686 static const WindowDesc _build_depot_desc(
01687   WDP_AUTO, 0, 0,
01688   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01689   WDF_CONSTRUCTION,
01690   _nested_build_depot_widgets, lengthof(_nested_build_depot_widgets)
01691 );
01692 
01693 static void ShowBuildTrainDepotPicker(Window *parent)
01694 {
01695   new BuildRailDepotWindow(&_build_depot_desc, parent);
01696 }
01697 
01698 struct BuildRailWaypointWindow : PickerWindowBase {
01699   BuildRailWaypointWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01700   {
01701     this->CreateNestedTree(desc);
01702 
01703     NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX);
01704     matrix->SetScrollbar(this->GetScrollbar(WID_BRW_SCROLL));
01705 
01706     this->FinishInitNested(desc, TRANSPORT_RAIL);
01707 
01708     matrix->SetCount(_waypoint_count);
01709     matrix->SetClicked(_cur_waypoint_type);
01710   }
01711 
01712   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01713   {
01714     switch (widget) {
01715       case WID_BRW_WAYPOINT_MATRIX:
01716         /* Three blobs high and wide. */
01717         size->width  += resize->width  * 2;
01718         size->height += resize->height * 2;
01719 
01720         /* Resizing in X direction only at blob size, but at pixel level in Y. */
01721         resize->height = 1;
01722         break;
01723     }
01724   }
01725 
01726   virtual void DrawWidget(const Rect &r, int widget) const
01727   {
01728     switch (GB(widget, 0, 16)) {
01729       case WID_BRW_WAYPOINT: {
01730         byte type = GB(widget, 16, 16);
01731         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, type);
01732         DrawWaypointSprite(r.left + TILE_PIXELS, r.bottom - TILE_PIXELS, type, _cur_railtype);
01733 
01734         if (!IsStationAvailable(statspec)) {
01735           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
01736         }
01737       }
01738     }
01739   }
01740 
01741   virtual void OnClick(Point pt, int widget, int click_count)
01742   {
01743     switch (GB(widget, 0, 16)) {
01744       case WID_BRW_WAYPOINT: {
01745         byte type = GB(widget, 16, 16);
01746         this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01747 
01748         /* Check station availability callback */
01749         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, type);
01750         if (!IsStationAvailable(statspec)) return;
01751 
01752         _cur_waypoint_type = type;
01753         this->GetWidget<NWidgetMatrix>(WID_BRW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01754         SndPlayFx(SND_15_BEEP);
01755         this->SetDirty();
01756         break;
01757       }
01758     }
01759   }
01760 };
01761 
01763 static const NWidgetPart _nested_build_waypoint_widgets[] = {
01764   NWidget(NWID_HORIZONTAL),
01765     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01766     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_WAYPOINT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01767   EndContainer(),
01768   NWidget(NWID_HORIZONTAL),
01769     NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, WID_BRW_WAYPOINT_MATRIX), SetPIP(3, 2, 3), SetScrollbar(WID_BRW_SCROLL),
01770       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, WID_BRW_WAYPOINT), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), EndContainer(),
01771     EndContainer(),
01772     NWidget(NWID_VERTICAL),
01773       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_BRW_SCROLL),
01774       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01775     EndContainer(),
01776   EndContainer(),
01777 };
01778 
01779 static const WindowDesc _build_waypoint_desc(
01780   WDP_AUTO, 0, 0,
01781   WC_BUILD_WAYPOINT, WC_BUILD_TOOLBAR,
01782   WDF_CONSTRUCTION,
01783   _nested_build_waypoint_widgets, lengthof(_nested_build_waypoint_widgets)
01784 );
01785 
01786 static void ShowBuildWaypointPicker(Window *parent)
01787 {
01788   new BuildRailWaypointWindow(&_build_waypoint_desc, parent);
01789 }
01790 
01794 void InitializeRailGui()
01795 {
01796   _build_depot_direction = DIAGDIR_NW;
01797 }
01798 
01803 void ReinitGuiAfterToggleElrail(bool disable)
01804 {
01805   extern RailType _last_built_railtype;
01806   if (disable && _last_built_railtype == RAILTYPE_ELECTRIC) {
01807     _last_built_railtype = _cur_railtype = RAILTYPE_RAIL;
01808     BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01809     if (w != NULL) w->ModifyRailType(_cur_railtype);
01810   }
01811   MarkWholeScreenDirty();
01812 }
01813 
01815 static void SetDefaultRailGui()
01816 {
01817   if (_local_company == COMPANY_SPECTATOR || !Company::IsValidID(_local_company)) return;
01818 
01819   extern RailType _last_built_railtype;
01820   RailType rt = (RailType)(_settings_client.gui.default_rail_type + RAILTYPE_END);
01821   if (rt == DEF_RAILTYPE_MOST_USED) {
01822     /* Find the most used rail type */
01823     RailType count[RAILTYPE_END];
01824     memset(count, 0, sizeof(count));
01825     for (TileIndex t = 0; t < MapSize(); t++) {
01826       if (IsTileType(t, MP_RAILWAY) || IsLevelCrossingTile(t) || HasStationTileRail(t) ||
01827           (IsTileType(t, MP_TUNNELBRIDGE) && GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL)) {
01828         count[GetRailType(t)]++;
01829       }
01830     }
01831 
01832     rt = RAILTYPE_RAIL;
01833     for (RailType r = RAILTYPE_ELECTRIC; r < RAILTYPE_END; r++) {
01834       if (count[r] >= count[rt]) rt = r;
01835     }
01836 
01837     /* No rail, just get the first available one */
01838     if (count[rt] == 0) rt = DEF_RAILTYPE_FIRST;
01839   }
01840   switch (rt) {
01841     case DEF_RAILTYPE_FIRST:
01842       rt = RAILTYPE_RAIL;
01843       while (rt < RAILTYPE_END && !HasRailtypeAvail(_local_company, rt)) rt++;
01844       break;
01845 
01846     case DEF_RAILTYPE_LAST:
01847       rt = GetBestRailtype(_local_company);
01848       break;
01849 
01850     default:
01851       break;
01852   }
01853 
01854   _last_built_railtype = _cur_railtype = rt;
01855   BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01856   if (w != NULL) w->ModifyRailType(_cur_railtype);
01857 }
01858 
01865 bool ResetSignalVariant(int32 p = 0)
01866 {
01867   SignalVariant new_variant = (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC);
01868 
01869   if (new_variant != _cur_signal_variant) {
01870     Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
01871     if (w != NULL) {
01872       w->SetDirty();
01873       w->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? WID_BS_ELECTRIC_NORM : WID_BS_SEMAPHORE_NORM) + _cur_signal_type);
01874     }
01875     _cur_signal_variant = new_variant;
01876   }
01877 
01878   return true;
01879 }
01880 
01885 void InitializeRailGUI()
01886 {
01887   SetDefaultRailGui();
01888 
01889   _convert_signal_button = false;
01890   _cur_signal_type = _default_signal_type[_settings_client.gui.default_signal_type];
01891   ResetSignalVariant();
01892 }
01893 
01900 static bool CompareRailTypes(const DropDownListItem *first, const DropDownListItem *second)
01901 {
01902   return GetRailTypeInfo((RailType)first->result)->sorting_order < GetRailTypeInfo((RailType)second->result)->sorting_order;
01903 }
01904 
01910 DropDownList *GetRailTypeDropDownList(bool for_replacement)
01911 {
01912   RailTypes used_railtypes = RAILTYPES_NONE;
01913 
01914   /* Find the used railtypes. */
01915   Engine *e;
01916   FOR_ALL_ENGINES_OF_TYPE(e, VEH_TRAIN) {
01917     if (!HasBit(e->info.climates, _settings_game.game_creation.landscape)) continue;
01918 
01919     used_railtypes |= GetRailTypeInfo(e->u.rail.railtype)->introduces_railtypes;
01920   }
01921 
01922   /* Get the date introduced railtypes as well. */
01923   used_railtypes = AddDateIntroducedRailTypes(used_railtypes, MAX_DAY);
01924 
01925   const Company *c = Company::Get(_local_company);
01926   DropDownList *list = new DropDownList();
01927   for (RailType rt = RAILTYPE_BEGIN; rt != RAILTYPE_END; rt++) {
01928     /* If it's not used ever, don't show it to the user. */
01929     if (!HasBit(used_railtypes, rt)) continue;
01930 
01931     const RailtypeInfo *rti = GetRailTypeInfo(rt);
01932     /* Skip rail type if it has no label */
01933     if (rti->label == 0) continue;
01934 
01935     StringID str = for_replacement ? rti->strings.replace_text : (rti->max_speed > 0 ? STR_TOOLBAR_RAILTYPE_VELOCITY : STR_JUST_STRING);
01936     DropDownListParamStringItem *item = new DropDownListParamStringItem(str, rt, !HasBit(c->avail_railtypes, rt));
01937     item->SetParam(0, rti->strings.menu_text);
01938     item->SetParam(1, rti->max_speed);
01939     list->push_back(item);
01940   }
01941   list->sort(CompareRailTypes);
01942   return list;
01943 }