rail_gui.cpp

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00001 /* $Id: rail_gui.cpp 21609 2010-12-23 14:38:01Z alberth $ */
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 "functions.h"
00024 #include "window_func.h"
00025 #include "date_func.h"
00026 #include "sound_func.h"
00027 #include "company_func.h"
00028 #include "widgets/dropdown_type.h"
00029 #include "tunnelbridge.h"
00030 #include "tilehighlight_func.h"
00031 #include "spritecache.h"
00032 #include "core/geometry_func.hpp"
00033 #include "hotkeys.h"
00034 
00035 #include "station_map.h"
00036 #include "tunnelbridge_map.h"
00037 
00038 #include "table/strings.h"
00039 
00040 static RailType _cur_railtype;               
00041 static bool _remove_button_clicked;          
00042 static DiagDirection _build_depot_direction; 
00043 static byte _waypoint_count = 1;             
00044 static byte _cur_waypoint_type;              
00045 static bool _convert_signal_button;          
00046 static SignalVariant _cur_signal_variant;    
00047 static SignalType _cur_signal_type;          
00048 
00049 /* Map the setting: default_signal_type to the corresponding signal type */
00050 static const SignalType _default_signal_type[] = {SIGTYPE_NORMAL, SIGTYPE_PBS, SIGTYPE_PBS_ONEWAY};
00051 
00052 struct RailStationGUISettings {
00053   Axis orientation;                 
00054 
00055   bool newstations;                 
00056   StationClassID station_class;     
00057   byte station_type;                
00058   byte station_count;               
00059 };
00060 static RailStationGUISettings _railstation; 
00061 
00062 
00063 static void HandleStationPlacement(TileIndex start, TileIndex end);
00064 static void ShowBuildTrainDepotPicker(Window *parent);
00065 static void ShowBuildWaypointPicker(Window *parent);
00066 static void ShowStationBuilder(Window *parent);
00067 static void ShowSignalBuilder(Window *parent);
00068 
00069 void CcPlaySound1E(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00070 {
00071   if (result.Succeeded()) SndPlayTileFx(SND_20_SPLAT_2, tile);
00072 }
00073 
00074 static void GenericPlaceRail(TileIndex tile, int cmd)
00075 {
00076   DoCommandP(tile, _cur_railtype, cmd,
00077       _remove_button_clicked ?
00078       CMD_REMOVE_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00079       CMD_BUILD_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK),
00080       CcPlaySound1E);
00081 }
00082 
00090 static void PlaceExtraDepotRail(TileIndex tile, DiagDirection dir, Track track)
00091 {
00092   if (GetRailTileType(tile) != RAIL_TILE_NORMAL) return;
00093   if ((GetTrackBits(tile) & DiagdirReachesTracks(dir)) == 0) return;
00094 
00095   DoCommandP(tile, _cur_railtype, track, CMD_BUILD_SINGLE_RAIL);
00096 }
00097 
00099 static const Track _place_depot_extra_track[12] = {
00100   TRACK_LEFT,  TRACK_UPPER, TRACK_UPPER, TRACK_RIGHT, // First additional track for directions 0..3
00101   TRACK_X,     TRACK_Y,     TRACK_X,     TRACK_Y,     // Second additional track
00102   TRACK_LOWER, TRACK_LEFT,  TRACK_RIGHT, TRACK_LOWER, // Third additional track
00103 };
00104 
00106 static const DiagDirection _place_depot_extra_dir[12] = {
00107   DIAGDIR_SE, DIAGDIR_SW, DIAGDIR_SE, DIAGDIR_SW,
00108   DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_SE,
00109   DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_NW, DIAGDIR_NE,
00110 };
00111 
00112 void CcRailDepot(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00113 {
00114   if (result.Failed()) return;
00115 
00116   DiagDirection dir = (DiagDirection)p2;
00117 
00118   SndPlayTileFx(SND_20_SPLAT_2, tile);
00119   if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00120 
00121   tile += TileOffsByDiagDir(dir);
00122 
00123   if (IsTileType(tile, MP_RAILWAY)) {
00124     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir], _place_depot_extra_track[dir]);
00125     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 4], _place_depot_extra_track[dir + 4]);
00126     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 8], _place_depot_extra_track[dir + 8]);
00127   }
00128 }
00129 
00134 static void PlaceRail_Waypoint(TileIndex tile)
00135 {
00136   if (_remove_button_clicked) {
00137     VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_STATION);
00138     return;
00139   }
00140 
00141   Axis axis = GetAxisForNewWaypoint(tile);
00142   if (IsValidAxis(axis)) {
00143     /* Valid tile for waypoints */
00144     VpStartPlaceSizing(tile, axis == AXIS_X ? VPM_FIX_X : VPM_FIX_Y, DDSP_BUILD_STATION);
00145   } else {
00146     /* Tile where we can't build rail waypoints. This is always going to fail,
00147      * but provides the user with a proper error message. */
00148     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));
00149   }
00150 }
00151 
00152 void CcStation(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00153 {
00154   if (result.Failed()) return;
00155 
00156   SndPlayTileFx(SND_20_SPLAT_2, tile);
00157   /* Only close the station builder window if the default station and non persistent building is chosen. */
00158   if (_railstation.station_class == STAT_CLASS_DFLT && _railstation.station_type == 0 && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00159 }
00160 
00165 static void PlaceRail_Station(TileIndex tile)
00166 {
00167   if (_remove_button_clicked) {
00168     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_REMOVE_STATION);
00169     VpSetPlaceSizingLimit(-1);
00170   } else if (_settings_client.gui.station_dragdrop) {
00171     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_BUILD_STATION);
00172     VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00173   } else {
00174     uint32 p1 = _cur_railtype | _railstation.orientation << 4 | _settings_client.gui.station_numtracks << 8 | _settings_client.gui.station_platlength << 16 | _ctrl_pressed << 24;
00175     uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00176 
00177     int w = _settings_client.gui.station_numtracks;
00178     int h = _settings_client.gui.station_platlength;
00179     if (!_railstation.orientation) Swap(w, h);
00180 
00181     CommandContainer cmdcont = { tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00182     ShowSelectStationIfNeeded(cmdcont, TileArea(tile, w, h));
00183   }
00184 }
00185 
00191 static void GenericPlaceSignals(TileIndex tile)
00192 {
00193   TrackBits trackbits = TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_RAIL, 0));
00194 
00195   if (trackbits & TRACK_BIT_VERT) { // N-S direction
00196     trackbits = (_tile_fract_coords.x <= _tile_fract_coords.y) ? TRACK_BIT_RIGHT : TRACK_BIT_LEFT;
00197   }
00198 
00199   if (trackbits & TRACK_BIT_HORZ) { // E-W direction
00200     trackbits = (_tile_fract_coords.x + _tile_fract_coords.y <= 15) ? TRACK_BIT_UPPER : TRACK_BIT_LOWER;
00201   }
00202 
00203   Track track = FindFirstTrack(trackbits);
00204 
00205   if (_remove_button_clicked) {
00206     DoCommandP(tile, track, 0, CMD_REMOVE_SIGNALS | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM), CcPlaySound1E);
00207   } else {
00208     const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00209 
00210     /* Map the setting cycle_signal_types to the lower and upper allowed signal type. */
00211     static const uint cycle_bounds[] = {SIGTYPE_NORMAL | (SIGTYPE_LAST_NOPBS << 3), SIGTYPE_PBS | (SIGTYPE_LAST << 3), SIGTYPE_NORMAL | (SIGTYPE_LAST << 3)};
00212 
00213     /* various bitstuffed elements for CmdBuildSingleSignal() */
00214     uint32 p1 = track;
00215 
00216     if (w != NULL) {
00217       /* signal GUI is used */
00218       SB(p1, 3, 1, _ctrl_pressed);
00219       SB(p1, 4, 1, _cur_signal_variant);
00220       SB(p1, 5, 3, _cur_signal_type);
00221       SB(p1, 8, 1, _convert_signal_button);
00222       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00223     } else {
00224       SB(p1, 3, 1, _ctrl_pressed);
00225       SB(p1, 4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00226       SB(p1, 5, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00227       SB(p1, 8, 1, 0);
00228       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00229     }
00230 
00231     DoCommandP(tile, p1, 0, CMD_BUILD_SIGNALS |
00232         CMD_MSG((w != NULL && _convert_signal_button) ? STR_ERROR_SIGNAL_CAN_T_CONVERT_SIGNALS_HERE : STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00233         CcPlaySound1E);
00234   }
00235 }
00236 
00242 static void PlaceRail_Bridge(TileIndex tile, Window *w)
00243 {
00244   if (IsBridgeTile(tile)) {
00245     TileIndex other_tile = GetOtherTunnelBridgeEnd(tile);
00246     Point pt = {0, 0};
00247     w->OnPlaceMouseUp(VPM_X_OR_Y, DDSP_BUILD_BRIDGE, pt, tile, other_tile);
00248   } else {
00249     VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_BUILD_BRIDGE);
00250   }
00251 }
00252 
00254 void CcBuildRailTunnel(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00255 {
00256   if (result.Succeeded()) {
00257     SndPlayTileFx(SND_20_SPLAT_2, tile);
00258     if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00259   } else {
00260     SetRedErrorSquare(_build_tunnel_endtile);
00261   }
00262 }
00263 
00264 
00266 enum RailToolbarWidgets {
00267   RTW_CAPTION,
00268   RTW_BUILD_NS,
00269   RTW_BUILD_X,
00270   RTW_BUILD_EW,
00271   RTW_BUILD_Y,
00272   RTW_AUTORAIL,
00273   RTW_DEMOLISH,
00274   RTW_BUILD_DEPOT,
00275   RTW_BUILD_WAYPOINT,
00276   RTW_BUILD_STATION,
00277   RTW_BUILD_SIGNALS,
00278   RTW_BUILD_BRIDGE,
00279   RTW_BUILD_TUNNEL,
00280   RTW_REMOVE,
00281   RTW_CONVERT_RAIL,
00282 };
00283 
00284 
00289 static void ToggleRailButton_Remove(Window *w)
00290 {
00291   DeleteWindowById(WC_SELECT_STATION, 0);
00292   w->ToggleWidgetLoweredState(RTW_REMOVE);
00293   w->SetWidgetDirty(RTW_REMOVE);
00294   _remove_button_clicked = w->IsWidgetLowered(RTW_REMOVE);
00295   SetSelectionRed(_remove_button_clicked);
00296 }
00297 
00303 static bool RailToolbar_CtrlChanged(Window *w)
00304 {
00305   if (w->IsWidgetDisabled(RTW_REMOVE)) return false;
00306 
00307   /* allow ctrl to switch remove mode only for these widgets */
00308   for (uint i = RTW_BUILD_NS; i <= RTW_BUILD_STATION; i++) {
00309     if ((i <= RTW_AUTORAIL || i >= RTW_BUILD_WAYPOINT) && w->IsWidgetLowered(i)) {
00310       ToggleRailButton_Remove(w);
00311       return true;
00312     }
00313   }
00314 
00315   return false;
00316 }
00317 
00318 
00324 static void BuildRailClick_Remove(Window *w)
00325 {
00326   if (w->IsWidgetDisabled(RTW_REMOVE)) return;
00327   ToggleRailButton_Remove(w);
00328   SndPlayFx(SND_15_BEEP);
00329 
00330   /* handle station builder */
00331   if (w->IsWidgetLowered(RTW_BUILD_STATION)) {
00332     if (_remove_button_clicked) {
00333       /* starting drag & drop remove */
00334       if (!_settings_client.gui.station_dragdrop) {
00335         SetTileSelectSize(1, 1);
00336       } else {
00337         VpSetPlaceSizingLimit(-1);
00338       }
00339     } else {
00340       /* starting station build mode */
00341       if (!_settings_client.gui.station_dragdrop) {
00342         int x = _settings_client.gui.station_numtracks;
00343         int y = _settings_client.gui.station_platlength;
00344         if (_railstation.orientation == 0) Swap(x, y);
00345         SetTileSelectSize(x, y);
00346       } else {
00347         VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00348       }
00349     }
00350   }
00351 }
00352 
00353 static void DoRailroadTrack(int mode)
00354 {
00355   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), _cur_railtype | (mode << 4),
00356       _remove_button_clicked ?
00357       CMD_REMOVE_RAILROAD_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00358       CMD_BUILD_RAILROAD_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK));
00359 }
00360 
00361 static void HandleAutodirPlacement()
00362 {
00363   TileHighlightData *thd = &_thd;
00364   int trackstat = thd->drawstyle & 0xF; // 0..5
00365 
00366   if (thd->drawstyle & HT_RAIL) { // one tile case
00367     GenericPlaceRail(TileVirtXY(thd->selend.x, thd->selend.y), trackstat);
00368     return;
00369   }
00370 
00371   DoRailroadTrack(trackstat);
00372 }
00373 
00380 static void HandleAutoSignalPlacement()
00381 {
00382   TileHighlightData *thd = &_thd;
00383   uint32 p2 = GB(thd->drawstyle, 0, 3); // 0..5
00384 
00385   if (thd->drawstyle == HT_RECT) { // one tile case
00386     GenericPlaceSignals(TileVirtXY(thd->selend.x, thd->selend.y));
00387     return;
00388   }
00389 
00390   const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00391 
00392   if (w != NULL) {
00393     /* signal GUI is used */
00394     SB(p2,  3, 1, 0);
00395     SB(p2,  4, 1, _cur_signal_variant);
00396     SB(p2,  6, 1, _ctrl_pressed);
00397     SB(p2,  7, 3, _cur_signal_type);
00398     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00399   } else {
00400     SB(p2,  3, 1, 0);
00401     SB(p2,  4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00402     SB(p2,  6, 1, _ctrl_pressed);
00403     SB(p2,  7, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00404     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00405   }
00406 
00407   /* _settings_client.gui.drag_signals_density is given as a parameter such that each user
00408    * in a network game can specify his/her own signal density */
00409   DoCommandP(TileVirtXY(thd->selstart.x, thd->selstart.y), TileVirtXY(thd->selend.x, thd->selend.y), p2,
00410       _remove_button_clicked ?
00411       CMD_REMOVE_SIGNAL_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM) :
00412       CMD_BUILD_SIGNAL_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00413       CcPlaySound1E);
00414 }
00415 
00416 
00418 struct BuildRailToolbarWindow : Window {
00419   RailType railtype;    
00420   int last_user_action; 
00421 
00422   BuildRailToolbarWindow(const WindowDesc *desc, WindowNumber window_number, RailType railtype) : Window()
00423   {
00424     this->InitNested(desc);
00425     this->SetupRailToolbar(railtype);
00426     this->DisableWidget(RTW_REMOVE);
00427     this->last_user_action = WIDGET_LIST_END;
00428 
00429     if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
00430   }
00431 
00432   ~BuildRailToolbarWindow()
00433   {
00434     if (_settings_client.gui.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0, false);
00435   }
00436 
00441   void SetupRailToolbar(RailType railtype)
00442   {
00443     this->railtype = railtype;
00444     const RailtypeInfo *rti = GetRailTypeInfo(railtype);
00445 
00446     assert(railtype < RAILTYPE_END);
00447     this->GetWidget<NWidgetCore>(RTW_BUILD_NS)->widget_data     = rti->gui_sprites.build_ns_rail;
00448     this->GetWidget<NWidgetCore>(RTW_BUILD_X)->widget_data      = rti->gui_sprites.build_x_rail;
00449     this->GetWidget<NWidgetCore>(RTW_BUILD_EW)->widget_data     = rti->gui_sprites.build_ew_rail;
00450     this->GetWidget<NWidgetCore>(RTW_BUILD_Y)->widget_data      = rti->gui_sprites.build_y_rail;
00451     this->GetWidget<NWidgetCore>(RTW_AUTORAIL)->widget_data     = rti->gui_sprites.auto_rail;
00452     this->GetWidget<NWidgetCore>(RTW_BUILD_DEPOT)->widget_data  = rti->gui_sprites.build_depot;
00453     this->GetWidget<NWidgetCore>(RTW_CONVERT_RAIL)->widget_data = rti->gui_sprites.convert_rail;
00454     this->GetWidget<NWidgetCore>(RTW_BUILD_TUNNEL)->widget_data = rti->gui_sprites.build_tunnel;
00455   }
00456 
00461   void ModifyRailType(RailType railtype)
00462   {
00463     this->SetupRailToolbar(railtype);
00464     this->ReInit();
00465   }
00466 
00467   void UpdateRemoveWidgetStatus(int clicked_widget)
00468   {
00469     switch (clicked_widget) {
00470       case RTW_REMOVE:
00471         /* If it is the removal button that has been clicked, do nothing,
00472          * as it is up to the other buttons to drive removal status */
00473         return;
00474 
00475       case RTW_BUILD_NS:
00476       case RTW_BUILD_X:
00477       case RTW_BUILD_EW:
00478       case RTW_BUILD_Y:
00479       case RTW_AUTORAIL:
00480       case RTW_BUILD_WAYPOINT:
00481       case RTW_BUILD_STATION:
00482       case RTW_BUILD_SIGNALS:
00483         /* Removal button is enabled only if the rail/signal/waypoint/station
00484          * button is still lowered.  Once raised, it has to be disabled */
00485         this->SetWidgetDisabledState(RTW_REMOVE, !this->IsWidgetLowered(clicked_widget));
00486         break;
00487 
00488       default:
00489         /* When any other buttons than rail/signal/waypoint/station, raise and
00490          * disable the removal button */
00491         this->DisableWidget(RTW_REMOVE);
00492         this->RaiseWidget(RTW_REMOVE);
00493         break;
00494     }
00495   }
00496 
00497   virtual void SetStringParameters(int widget) const
00498   {
00499     if (widget == RTW_CAPTION) {
00500       const RailtypeInfo *rti = GetRailTypeInfo(this->railtype);
00501       if (rti->max_speed > 0) {
00502         SetDParam(0, STR_TOOLBAR_RAILTYPE_VELOCITY);
00503         SetDParam(1, rti->strings.toolbar_caption);
00504         SetDParam(2, rti->max_speed);
00505       } else {
00506         SetDParam(0, rti->strings.toolbar_caption);
00507       }
00508     }
00509   }
00510 
00511   virtual void OnClick(Point pt, int widget, int click_count)
00512   {
00513     if (widget < RTW_BUILD_NS) return;
00514 
00515     _remove_button_clicked = false;
00516     switch (widget) {
00517       case RTW_BUILD_NS:
00518         HandlePlacePushButton(this, RTW_BUILD_NS, GetRailTypeInfo(_cur_railtype)->cursor.rail_ns, HT_LINE | HT_DIR_VL, NULL);
00519         this->last_user_action = widget;
00520         break;
00521 
00522       case RTW_BUILD_X:
00523         HandlePlacePushButton(this, RTW_BUILD_X, GetRailTypeInfo(_cur_railtype)->cursor.rail_swne, HT_LINE | HT_DIR_X, NULL);
00524         this->last_user_action = widget;
00525         break;
00526 
00527       case RTW_BUILD_EW:
00528         HandlePlacePushButton(this, RTW_BUILD_EW, GetRailTypeInfo(_cur_railtype)->cursor.rail_ew, HT_LINE | HT_DIR_HL, NULL);
00529         this->last_user_action = widget;
00530         break;
00531 
00532       case RTW_BUILD_Y:
00533         HandlePlacePushButton(this, RTW_BUILD_Y, GetRailTypeInfo(_cur_railtype)->cursor.rail_nwse, HT_LINE | HT_DIR_Y, NULL);
00534         this->last_user_action = widget;
00535         break;
00536 
00537       case RTW_AUTORAIL:
00538         HandlePlacePushButton(this, RTW_AUTORAIL, GetRailTypeInfo(_cur_railtype)->cursor.autorail, HT_RAIL, NULL);
00539         this->last_user_action = widget;
00540         break;
00541 
00542       case RTW_DEMOLISH:
00543         HandlePlacePushButton(this, RTW_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL, NULL);
00544         this->last_user_action = widget;
00545         break;
00546 
00547       case RTW_BUILD_DEPOT:
00548         if (HandlePlacePushButton(this, RTW_BUILD_DEPOT, GetRailTypeInfo(_cur_railtype)->cursor.depot, HT_RECT, NULL)) {
00549           ShowBuildTrainDepotPicker(this);
00550           this->last_user_action = widget;
00551         }
00552         break;
00553 
00554       case RTW_BUILD_WAYPOINT:
00555         this->last_user_action = widget;
00556         _waypoint_count = StationClass::GetCount(STAT_CLASS_WAYP);
00557         if (HandlePlacePushButton(this, RTW_BUILD_WAYPOINT, SPR_CURSOR_WAYPOINT, HT_RECT, NULL) && _waypoint_count > 1) {
00558           ShowBuildWaypointPicker(this);
00559         }
00560         break;
00561 
00562       case RTW_BUILD_STATION:
00563         if (HandlePlacePushButton(this, RTW_BUILD_STATION, SPR_CURSOR_RAIL_STATION, HT_RECT, NULL)) {
00564           ShowStationBuilder(this);
00565           this->last_user_action = widget;
00566         }
00567         break;
00568 
00569       case RTW_BUILD_SIGNALS: {
00570         this->last_user_action = widget;
00571         bool started = HandlePlacePushButton(this, RTW_BUILD_SIGNALS, ANIMCURSOR_BUILDSIGNALS, HT_RECT, NULL);
00572         if (started && _settings_client.gui.enable_signal_gui != _ctrl_pressed) {
00573           ShowSignalBuilder(this);
00574         }
00575         break;
00576       }
00577 
00578       case RTW_BUILD_BRIDGE:
00579         HandlePlacePushButton(this, RTW_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT, NULL);
00580         this->last_user_action = widget;
00581         break;
00582 
00583       case RTW_BUILD_TUNNEL:
00584         HandlePlacePushButton(this, RTW_BUILD_TUNNEL, GetRailTypeInfo(_cur_railtype)->cursor.tunnel, HT_SPECIAL, NULL);
00585         this->last_user_action = widget;
00586         break;
00587 
00588       case RTW_REMOVE:
00589         BuildRailClick_Remove(this);
00590         break;
00591 
00592       case RTW_CONVERT_RAIL:
00593         HandlePlacePushButton(this, RTW_CONVERT_RAIL, GetRailTypeInfo(_cur_railtype)->cursor.convert, HT_RECT, NULL);
00594         this->last_user_action = widget;
00595         break;
00596 
00597       default: NOT_REACHED();
00598     }
00599     this->UpdateRemoveWidgetStatus(widget);
00600     if (_ctrl_pressed) RailToolbar_CtrlChanged(this);
00601   }
00602 
00603   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
00604   {
00605     int num = CheckHotkeyMatch(railtoolbar_hotkeys, keycode, this);
00606     if (num == -1) return ES_NOT_HANDLED;
00607     this->OnClick(Point(), num, 1);
00608     MarkTileDirtyByTile(TileVirtXY(_thd.pos.x, _thd.pos.y)); // redraw tile selection
00609     return ES_HANDLED;
00610   }
00611 
00612   virtual void OnPlaceObject(Point pt, TileIndex tile)
00613   {
00614     switch (this->last_user_action) {
00615       case RTW_BUILD_NS:
00616         VpStartPlaceSizing(tile, VPM_FIX_VERTICAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00617         break;
00618 
00619       case RTW_BUILD_X:
00620         VpStartPlaceSizing(tile, VPM_FIX_Y | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00621         break;
00622 
00623       case RTW_BUILD_EW:
00624         VpStartPlaceSizing(tile, VPM_FIX_HORIZONTAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00625         break;
00626 
00627       case RTW_BUILD_Y:
00628         VpStartPlaceSizing(tile, VPM_FIX_X | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00629         break;
00630 
00631       case RTW_AUTORAIL:
00632         VpStartPlaceSizing(tile, VPM_RAILDIRS, DDSP_PLACE_RAIL);
00633         break;
00634 
00635       case RTW_DEMOLISH:
00636         PlaceProc_DemolishArea(tile);
00637         break;
00638 
00639       case RTW_BUILD_DEPOT:
00640         DoCommandP(tile, _cur_railtype, _build_depot_direction,
00641             CMD_BUILD_TRAIN_DEPOT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_DEPOT),
00642             CcRailDepot);
00643         break;
00644 
00645       case RTW_BUILD_WAYPOINT:
00646         PlaceRail_Waypoint(tile);
00647         break;
00648 
00649       case RTW_BUILD_STATION:
00650         PlaceRail_Station(tile);
00651         break;
00652 
00653       case RTW_BUILD_SIGNALS:
00654         VpStartPlaceSizing(tile, VPM_SIGNALDIRS, DDSP_BUILD_SIGNALS);
00655         break;
00656 
00657       case RTW_BUILD_BRIDGE:
00658         PlaceRail_Bridge(tile, this);
00659         break;
00660 
00661       case RTW_BUILD_TUNNEL:
00662         DoCommandP(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, CMD_BUILD_TUNNEL | CMD_MSG(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE), CcBuildRailTunnel);
00663         break;
00664 
00665       case RTW_CONVERT_RAIL:
00666         VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CONVERT_RAIL);
00667         break;
00668 
00669       default: NOT_REACHED();
00670     }
00671   }
00672 
00673   virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
00674   {
00675     /* no dragging if you have pressed the convert button */
00676     if (FindWindowById(WC_BUILD_SIGNAL, 0) != NULL && _convert_signal_button && this->IsWidgetLowered(RTW_BUILD_SIGNALS)) return;
00677 
00678     VpSelectTilesWithMethod(pt.x, pt.y, select_method);
00679   }
00680 
00681   virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile)
00682   {
00683     if (pt.x != -1) {
00684       switch (select_proc) {
00685         default: NOT_REACHED();
00686         case DDSP_BUILD_BRIDGE:
00687           if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00688           ShowBuildBridgeWindow(start_tile, end_tile, TRANSPORT_RAIL, _cur_railtype);
00689           break;
00690 
00691         case DDSP_PLACE_RAIL:
00692           HandleAutodirPlacement();
00693           break;
00694 
00695         case DDSP_BUILD_SIGNALS:
00696           HandleAutoSignalPlacement();
00697           break;
00698 
00699         case DDSP_DEMOLISH_AREA:
00700           GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
00701           break;
00702 
00703         case DDSP_CONVERT_RAIL:
00704           DoCommandP(end_tile, start_tile, _cur_railtype, CMD_CONVERT_RAIL | CMD_MSG(STR_ERROR_CAN_T_CONVERT_RAIL), CcPlaySound10);
00705           break;
00706 
00707         case DDSP_REMOVE_STATION:
00708         case DDSP_BUILD_STATION:
00709           if (this->IsWidgetLowered(RTW_BUILD_STATION)) {
00710             /* Station */
00711             if (_remove_button_clicked) {
00712               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);
00713             } else {
00714               HandleStationPlacement(start_tile, end_tile);
00715             }
00716           } else {
00717             /* Waypoint */
00718             if (_remove_button_clicked) {
00719               DoCommandP(end_tile, start_tile, _ctrl_pressed ? 0 : 1, CMD_REMOVE_FROM_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_REMOVE_TRAIN_WAYPOINT), CcPlaySound1E);
00720             } else {
00721               TileArea ta(start_tile, end_tile);
00722               uint32 p1 = _cur_railtype | (select_method == VPM_FIX_X ? AXIS_X : AXIS_Y) << 4 | ta.w << 8 | ta.h << 16 | _ctrl_pressed << 24;
00723               uint32 p2 = STAT_CLASS_WAYP | _cur_waypoint_type << 8 | INVALID_STATION << 16;
00724 
00725               CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_WAYPOINT), CcPlaySound1E, "" };
00726               ShowSelectWaypointIfNeeded(cmdcont, ta);
00727             }
00728           }
00729           break;
00730       }
00731     }
00732   }
00733 
00734   virtual void OnPlaceObjectAbort()
00735   {
00736     this->RaiseButtons();
00737     this->DisableWidget(RTW_REMOVE);
00738     this->SetWidgetDirty(RTW_REMOVE);
00739 
00740     DeleteWindowById(WC_BUILD_SIGNAL, TRANSPORT_RAIL);
00741     DeleteWindowById(WC_BUILD_STATION, TRANSPORT_RAIL);
00742     DeleteWindowById(WC_BUILD_DEPOT, TRANSPORT_RAIL);
00743     DeleteWindowById(WC_SELECT_STATION, 0);
00744     DeleteWindowByClass(WC_BUILD_BRIDGE);
00745   }
00746 
00747   virtual void OnPlacePresize(Point pt, TileIndex tile)
00748   {
00749     DoCommand(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, DC_AUTO, CMD_BUILD_TUNNEL);
00750     VpSetPresizeRange(tile, _build_tunnel_endtile == 0 ? tile : _build_tunnel_endtile);
00751   }
00752 
00753   virtual EventState OnCTRLStateChange()
00754   {
00755     /* do not toggle Remove button by Ctrl when placing station */
00756     if (!this->IsWidgetLowered(RTW_BUILD_STATION) && !this->IsWidgetLowered(RTW_BUILD_WAYPOINT) && RailToolbar_CtrlChanged(this)) return ES_HANDLED;
00757     return ES_NOT_HANDLED;
00758   }
00759 
00760   static Hotkey<BuildRailToolbarWindow> railtoolbar_hotkeys[];
00761 };
00762 
00763 const uint16 _railtoolbar_autorail_keys[] = {'5', 'A' | WKC_GLOBAL_HOTKEY, 0};
00764 
00765 Hotkey<BuildRailToolbarWindow> BuildRailToolbarWindow::railtoolbar_hotkeys[] = {
00766   Hotkey<BuildRailToolbarWindow>('1', "build_ns", RTW_BUILD_NS),
00767   Hotkey<BuildRailToolbarWindow>('2', "build_x", RTW_BUILD_X),
00768   Hotkey<BuildRailToolbarWindow>('3', "build_ew", RTW_BUILD_EW),
00769   Hotkey<BuildRailToolbarWindow>('4', "build_y", RTW_BUILD_Y),
00770   Hotkey<BuildRailToolbarWindow>(_railtoolbar_autorail_keys, "autorail", RTW_AUTORAIL),
00771   Hotkey<BuildRailToolbarWindow>('6', "demolish", RTW_DEMOLISH),
00772   Hotkey<BuildRailToolbarWindow>('7', "depot", RTW_BUILD_DEPOT),
00773   Hotkey<BuildRailToolbarWindow>('8', "waypoint", RTW_BUILD_WAYPOINT),
00774   Hotkey<BuildRailToolbarWindow>('9', "station", RTW_BUILD_STATION),
00775   Hotkey<BuildRailToolbarWindow>('S', "signal", RTW_BUILD_SIGNALS),
00776   Hotkey<BuildRailToolbarWindow>('B', "bridge", RTW_BUILD_BRIDGE),
00777   Hotkey<BuildRailToolbarWindow>('T', "tunnel", RTW_BUILD_TUNNEL),
00778   Hotkey<BuildRailToolbarWindow>('R', "remove", RTW_REMOVE),
00779   Hotkey<BuildRailToolbarWindow>('C', "convert", RTW_CONVERT_RAIL),
00780   HOTKEY_LIST_END(BuildRailToolbarWindow)
00781 };
00782 Hotkey<BuildRailToolbarWindow> *_railtoolbar_hotkeys = BuildRailToolbarWindow::railtoolbar_hotkeys;
00783 
00784 static const NWidgetPart _nested_build_rail_widgets[] = {
00785   NWidget(NWID_HORIZONTAL),
00786     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00787     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, RTW_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00788     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00789   EndContainer(),
00790   NWidget(NWID_HORIZONTAL),
00791     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_NS),
00792             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00793     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_X),
00794             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00795     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_EW),
00796             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_EW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00797     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_Y),
00798             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00799     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_AUTORAIL),
00800             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTORAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_AUTORAIL),
00801 
00802     NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetMinimalSize(4, 22), SetDataTip(0x0, STR_NULL), EndContainer(),
00803 
00804     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_DEMOLISH),
00805             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
00806     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_DEPOT),
00807             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DEPOT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_TRAIN_DEPOT_FOR_BUILDING),
00808     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_WAYPOINT),
00809             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_WAYPOINT, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL_TO_WAYPOINT),
00810     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_STATION),
00811             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_RAIL_STATION, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_STATION),
00812     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_SIGNALS),
00813             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_SIGNALS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_SIGNALS),
00814     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_BRIDGE),
00815             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_BRIDGE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_BRIDGE),
00816     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_TUNNEL),
00817             SetFill(0, 1), SetMinimalSize(20, 22), SetDataTip(SPR_IMG_TUNNEL_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TUNNEL),
00818     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_REMOVE),
00819             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_RAIL_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR),
00820     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_CONVERT_RAIL),
00821             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL),
00822   EndContainer(),
00823 };
00824 
00825 static const WindowDesc _build_rail_desc(
00826   WDP_ALIGN_TOOLBAR, 0, 0,
00827   WC_BUILD_TOOLBAR, WC_NONE,
00828   WDF_CONSTRUCTION,
00829   _nested_build_rail_widgets, lengthof(_nested_build_rail_widgets)
00830 );
00831 
00832 
00841 Window *ShowBuildRailToolbar(RailType railtype)
00842 {
00843   if (!Company::IsValidID(_local_company)) return NULL;
00844   if (!ValParamRailtype(railtype)) return NULL;
00845 
00846   DeleteWindowByClass(WC_BUILD_TOOLBAR);
00847   _cur_railtype = railtype;
00848   _remove_button_clicked = false;
00849   return new BuildRailToolbarWindow(&_build_rail_desc, TRANSPORT_RAIL, railtype);
00850 }
00851 
00852 EventState RailToolbarGlobalHotkeys(uint16 key, uint16 keycode)
00853 {
00854   extern RailType _last_built_railtype;
00855   int num = CheckHotkeyMatch<BuildRailToolbarWindow>(_railtoolbar_hotkeys, keycode, NULL, true);
00856   if (num == -1) return ES_NOT_HANDLED;
00857   Window *w = ShowBuildRailToolbar(_last_built_railtype);
00858   if (w == NULL) return ES_NOT_HANDLED;
00859   return w->OnKeyPress(key, keycode);
00860 }
00861 
00862 /* TODO: For custom stations, respect their allowed platforms/lengths bitmasks!
00863  * --pasky */
00864 
00865 static void HandleStationPlacement(TileIndex start, TileIndex end)
00866 {
00867   TileArea ta(start, end);
00868   uint numtracks = ta.w;
00869   uint platlength = ta.h;
00870 
00871   if (_railstation.orientation == AXIS_X) Swap(numtracks, platlength);
00872 
00873   uint32 p1 = _cur_railtype | _railstation.orientation << 4 | numtracks << 8 | platlength << 16 | _ctrl_pressed << 24;
00874   uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00875 
00876   CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00877   ShowSelectStationIfNeeded(cmdcont, ta);
00878 }
00879 
00881 enum BuildRailStationWidgets {
00882   BRSW_BACKGROUND,
00883 
00884   BRSW_PLATFORM_DIR_X,
00885   BRSW_PLATFORM_DIR_Y,
00886 
00887   BRSW_PLATFORM_NUM_1,
00888   BRSW_PLATFORM_NUM_2,
00889   BRSW_PLATFORM_NUM_3,
00890   BRSW_PLATFORM_NUM_4,
00891   BRSW_PLATFORM_NUM_5,
00892   BRSW_PLATFORM_NUM_6,
00893   BRSW_PLATFORM_NUM_7,
00894 
00895   BRSW_PLATFORM_LEN_1,
00896   BRSW_PLATFORM_LEN_2,
00897   BRSW_PLATFORM_LEN_3,
00898   BRSW_PLATFORM_LEN_4,
00899   BRSW_PLATFORM_LEN_5,
00900   BRSW_PLATFORM_LEN_6,
00901   BRSW_PLATFORM_LEN_7,
00902 
00903   BRSW_PLATFORM_DRAG_N_DROP,
00904 
00905   BRSW_HIGHLIGHT_OFF,
00906   BRSW_HIGHLIGHT_ON,
00907 
00908   BRSW_SHOW_NEWST_ADDITIONS,
00909   BRSW_NEWST_DROPDOWN,
00910   BRSW_NEWST_LIST,
00911   BRSW_NEWST_SCROLL,
00912 
00913   BRSW_PLATFORM_NUM_BEGIN = BRSW_PLATFORM_NUM_1 - 1,
00914   BRSW_PLATFORM_LEN_BEGIN = BRSW_PLATFORM_LEN_1 - 1,
00915 };
00916 
00917 struct BuildRailStationWindow : public PickerWindowBase {
00918 private:
00919   uint line_height; 
00920   Scrollbar *vscroll;
00921 
00927   void CheckSelectedSize(const StationSpec *statspec)
00928   {
00929     if (statspec == NULL || _settings_client.gui.station_dragdrop) return;
00930 
00931     /* If current number of tracks is not allowed, make it as big as possible (which is always less than currently selected) */
00932     if (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00933       this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00934       _settings_client.gui.station_numtracks = 1;
00935       while (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00936         _settings_client.gui.station_numtracks++;
00937       }
00938       this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00939     }
00940 
00941     if (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00942       this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00943       _settings_client.gui.station_platlength = 1;
00944       while (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00945         _settings_client.gui.station_platlength++;
00946       }
00947       this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00948     }
00949   }
00950 
00952   static DropDownList *BuildStationClassDropDown()
00953   {
00954     DropDownList *list = new DropDownList();
00955 
00956     for (uint i = 0; i < StationClass::GetCount(); i++) {
00957       if (i == STAT_CLASS_WAYP) continue;
00958       list->push_back(new DropDownListStringItem(StationClass::GetName((StationClassID)i), i, false));
00959     }
00960 
00961     return list;
00962   }
00963 
00964 public:
00965   BuildRailStationWindow(const WindowDesc *desc, Window *parent, bool newstation) : PickerWindowBase(parent)
00966   {
00967     this->CreateNestedTree(desc);
00968     this->vscroll = this->GetScrollbar(BRSW_NEWST_SCROLL);
00969     NWidgetStacked *newst_additions = this->GetWidget<NWidgetStacked>(BRSW_SHOW_NEWST_ADDITIONS);
00970     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00971     this->FinishInitNested(desc, TRANSPORT_RAIL);
00972 
00973     this->LowerWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
00974     if (_settings_client.gui.station_dragdrop) {
00975       this->LowerWidget(BRSW_PLATFORM_DRAG_N_DROP);
00976     } else {
00977       this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00978       this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00979     }
00980     this->SetWidgetLoweredState(BRSW_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
00981     this->SetWidgetLoweredState(BRSW_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
00982 
00983     _railstation.newstations = newstation;
00984 
00985     if (newstation) {
00986       _railstation.station_count = StationClass::GetCount(_railstation.station_class);
00987 
00988       this->vscroll->SetCount(_railstation.station_count);
00989       this->vscroll->SetCapacity(GB(this->GetWidget<NWidgetCore>(BRSW_NEWST_LIST)->widget_data, MAT_ROW_START, MAT_ROW_BITS));
00990       this->vscroll->SetPosition(Clamp(_railstation.station_type - 2, 0, max(this->vscroll->GetCount() - this->vscroll->GetCapacity(), 0)));
00991     } else {
00992       /* New stations are not available, so ensure the default station
00993        * type is 'selected'. */
00994       _railstation.station_class = STAT_CLASS_DFLT;
00995       _railstation.station_type = 0;
00996     }
00997   }
00998 
00999   virtual ~BuildRailStationWindow()
01000   {
01001     DeleteWindowById(WC_SELECT_STATION, 0);
01002   }
01003 
01004   virtual void OnPaint()
01005   {
01006     bool newstations = _railstation.newstations;
01007     const StationSpec *statspec = newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01008 
01009     if (_settings_client.gui.station_dragdrop) {
01010       SetTileSelectSize(1, 1);
01011     } else {
01012       int x = _settings_client.gui.station_numtracks;
01013       int y = _settings_client.gui.station_platlength;
01014       if (_railstation.orientation == AXIS_X) Swap(x, y);
01015       if (!_remove_button_clicked) {
01016         SetTileSelectSize(x, y);
01017       }
01018     }
01019 
01020     int rad = (_settings_game.station.modified_catchment) ? CA_TRAIN : CA_UNMODIFIED;
01021 
01022     if (_settings_client.gui.station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
01023 
01024     for (uint bits = 0; bits < 7; bits++) {
01025       bool disable = bits >= _settings_game.station.station_spread;
01026       if (statspec == NULL) {
01027         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_NUM_1, disable);
01028         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_LEN_1, disable);
01029       } else {
01030         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_NUM_1, HasBit(statspec->disallowed_platforms, bits) || disable);
01031         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_LEN_1, HasBit(statspec->disallowed_lengths,   bits) || disable);
01032       }
01033     }
01034 
01035     this->DrawWidgets();
01036 
01037     /* 'Accepts' and 'Supplies' texts. */
01038     int top = this->GetWidget<NWidgetBase>(BRSW_HIGHLIGHT_ON)->pos_y + this->GetWidget<NWidgetBase>(BRSW_HIGHLIGHT_ON)->current_y + WD_PAR_VSEP_NORMAL;
01039     NWidgetBase *back_nwi = this->GetWidget<NWidgetBase>(BRSW_BACKGROUND);
01040     int right = back_nwi->pos_x +  back_nwi->current_x;
01041     int bottom = back_nwi->pos_y +  back_nwi->current_y;
01042     top = DrawStationCoverageAreaText(back_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, SCT_ALL, rad, false) + WD_PAR_VSEP_NORMAL;
01043     top = DrawStationCoverageAreaText(back_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, SCT_ALL, rad, true) + WD_PAR_VSEP_NORMAL;
01044     /* Resize background if the text is not equally long as the window. */
01045     if (top > bottom || (top < bottom && back_nwi->current_y > back_nwi->smallest_y)) {
01046       ResizeWindow(this, 0, top - bottom);
01047     }
01048   }
01049 
01050   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01051   {
01052     switch (widget) {
01053       case BRSW_NEWST_DROPDOWN: {
01054         Dimension d = {0, 0};
01055         for (uint i = 0; i < StationClass::GetCount(); i++) {
01056           if (i == STAT_CLASS_WAYP) continue;
01057           SetDParam(0, StationClass::GetName((StationClassID)i));
01058           d = maxdim(d, GetStringBoundingBox(STR_BLACK_STRING));
01059         }
01060         d.width += padding.width;
01061         d.height += padding.height;
01062         *size = maxdim(*size, d);
01063         break;
01064       }
01065       case BRSW_NEWST_LIST: {
01066         Dimension d = GetStringBoundingBox(STR_STATION_CLASS_DFLT);
01067         for (StationClassID statclass = STAT_CLASS_BEGIN; statclass < (StationClassID)StationClass::GetCount(); statclass++) {
01068           if (statclass == STAT_CLASS_WAYP) continue;
01069           for (uint16 j = 0; j < StationClass::GetCount(statclass); j++) {
01070             const StationSpec *statspec = StationClass::Get(statclass, j);
01071             if (statspec != NULL && statspec->name != 0) d = maxdim(d, GetStringBoundingBox(statspec->name));
01072           }
01073         }
01074         size->width = max(size->width, d.width + padding.width);
01075 
01076         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
01077         size->height = GB(this->GetWidget<NWidgetCore>(widget)->widget_data, MAT_ROW_START, MAT_ROW_BITS) * this->line_height;
01078         break;
01079       }
01080     }
01081   }
01082 
01083   virtual void DrawWidget(const Rect &r, int widget) const
01084   {
01085     DrawPixelInfo tmp_dpi;
01086 
01087     switch (widget) {
01088       case BRSW_PLATFORM_DIR_X:
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_X, _railstation.station_class, _railstation.station_type)) {
01094             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2);
01095           }
01096           _cur_dpi = old_dpi;
01097         }
01098         break;
01099 
01100       case BRSW_PLATFORM_DIR_Y:
01101         /* Set up a clipping area for the '\' station preview */
01102         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01103           DrawPixelInfo *old_dpi = _cur_dpi;
01104           _cur_dpi = &tmp_dpi;
01105           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_Y, _railstation.station_class, _railstation.station_type)) {
01106             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 3);
01107           }
01108           _cur_dpi = old_dpi;
01109         }
01110         break;
01111 
01112       case BRSW_NEWST_LIST: {
01113         uint y = r.top;
01114         for (uint16 i = this->vscroll->GetPosition(); i < _railstation.station_count && this->vscroll->IsVisible(i); i++) {
01115           const StationSpec *statspec = StationClass::Get(_railstation.station_class, i);
01116 
01117           StringID str = STR_STATION_CLASS_DFLT;
01118           if (statspec != NULL && statspec->name != 0) {
01119             if (HasBit(statspec->callback_mask, CBM_STATION_AVAIL) && GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) {
01120               GfxFillRect(r.left + 1, y + 1, r.right - 1, y + this->line_height - 2, 0, FILLRECT_CHECKER);
01121             }
01122             str = statspec->name;
01123           }
01124           DrawString(r.left + WD_MATRIX_LEFT, r.right - WD_MATRIX_RIGHT, y + WD_MATRIX_TOP, str, i == _railstation.station_type ? TC_WHITE : TC_BLACK);
01125 
01126           y += this->line_height;
01127         }
01128         break;
01129       }
01130     }
01131   }
01132 
01133   virtual void SetStringParameters(int widget) const
01134   {
01135     if (widget == BRSW_NEWST_DROPDOWN) SetDParam(0, StationClass::GetName(_railstation.station_class));
01136   }
01137 
01138   virtual void OnClick(Point pt, int widget, int click_count)
01139   {
01140     switch (widget) {
01141       case BRSW_PLATFORM_DIR_X:
01142       case BRSW_PLATFORM_DIR_Y:
01143         this->RaiseWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
01144         _railstation.orientation = (Axis)(widget - BRSW_PLATFORM_DIR_X);
01145         this->LowerWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
01146         SndPlayFx(SND_15_BEEP);
01147         this->SetDirty();
01148         DeleteWindowById(WC_SELECT_STATION, 0);
01149         break;
01150 
01151       case BRSW_PLATFORM_NUM_1:
01152       case BRSW_PLATFORM_NUM_2:
01153       case BRSW_PLATFORM_NUM_3:
01154       case BRSW_PLATFORM_NUM_4:
01155       case BRSW_PLATFORM_NUM_5:
01156       case BRSW_PLATFORM_NUM_6:
01157       case BRSW_PLATFORM_NUM_7: {
01158         this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01159         this->RaiseWidget(BRSW_PLATFORM_DRAG_N_DROP);
01160 
01161         _settings_client.gui.station_numtracks = widget - BRSW_PLATFORM_NUM_BEGIN;
01162         _settings_client.gui.station_dragdrop = false;
01163 
01164         _settings_client.gui.station_dragdrop = false;
01165 
01166         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01167         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01168           /* The previously selected number of platforms in invalid */
01169           for (uint i = 0; i < 7; i++) {
01170             if (!HasBit(statspec->disallowed_lengths, i)) {
01171               this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01172               _settings_client.gui.station_platlength = i + 1;
01173               break;
01174             }
01175           }
01176         }
01177 
01178         this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01179         this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01180         SndPlayFx(SND_15_BEEP);
01181         this->SetDirty();
01182         DeleteWindowById(WC_SELECT_STATION, 0);
01183         break;
01184       }
01185 
01186       case BRSW_PLATFORM_LEN_1:
01187       case BRSW_PLATFORM_LEN_2:
01188       case BRSW_PLATFORM_LEN_3:
01189       case BRSW_PLATFORM_LEN_4:
01190       case BRSW_PLATFORM_LEN_5:
01191       case BRSW_PLATFORM_LEN_6:
01192       case BRSW_PLATFORM_LEN_7: {
01193         this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01194         this->RaiseWidget(BRSW_PLATFORM_DRAG_N_DROP);
01195 
01196         _settings_client.gui.station_platlength = widget - BRSW_PLATFORM_LEN_BEGIN;
01197         _settings_client.gui.station_dragdrop = false;
01198 
01199         _settings_client.gui.station_dragdrop = false;
01200 
01201         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01202         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01203           /* The previously selected number of tracks in invalid */
01204           for (uint i = 0; i < 7; i++) {
01205             if (!HasBit(statspec->disallowed_platforms, i)) {
01206               this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01207               _settings_client.gui.station_numtracks = i + 1;
01208               break;
01209             }
01210           }
01211         }
01212 
01213         this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01214         this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01215         SndPlayFx(SND_15_BEEP);
01216         this->SetDirty();
01217         DeleteWindowById(WC_SELECT_STATION, 0);
01218         break;
01219       }
01220 
01221       case BRSW_PLATFORM_DRAG_N_DROP: {
01222         _settings_client.gui.station_dragdrop ^= true;
01223 
01224         this->ToggleWidgetLoweredState(BRSW_PLATFORM_DRAG_N_DROP);
01225 
01226         /* get the first allowed length/number of platforms */
01227         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01228         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01229           for (uint i = 0; i < 7; i++) {
01230             if (!HasBit(statspec->disallowed_lengths, i)) {
01231               this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01232               _settings_client.gui.station_platlength = i + 1;
01233               break;
01234             }
01235           }
01236         }
01237         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01238           for (uint i = 0; i < 7; i++) {
01239             if (!HasBit(statspec->disallowed_platforms, i)) {
01240               this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01241               _settings_client.gui.station_numtracks = i + 1;
01242               break;
01243             }
01244           }
01245         }
01246 
01247         this->SetWidgetLoweredState(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN, !_settings_client.gui.station_dragdrop);
01248         this->SetWidgetLoweredState(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN, !_settings_client.gui.station_dragdrop);
01249         SndPlayFx(SND_15_BEEP);
01250         this->SetDirty();
01251         DeleteWindowById(WC_SELECT_STATION, 0);
01252         break;
01253       }
01254 
01255       case BRSW_HIGHLIGHT_OFF:
01256       case BRSW_HIGHLIGHT_ON:
01257         _settings_client.gui.station_show_coverage = (widget != BRSW_HIGHLIGHT_OFF);
01258 
01259         this->SetWidgetLoweredState(BRSW_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
01260         this->SetWidgetLoweredState(BRSW_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
01261         SndPlayFx(SND_15_BEEP);
01262         this->SetDirty();
01263         break;
01264 
01265       case BRSW_NEWST_DROPDOWN:
01266         ShowDropDownList(this, BuildStationClassDropDown(), _railstation.station_class, BRSW_NEWST_DROPDOWN);
01267         break;
01268 
01269       case BRSW_NEWST_LIST: {
01270         int y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, BRSW_NEWST_LIST, 0, this->line_height);
01271         if (y >= _railstation.station_count) return;
01272 
01273         /* Check station availability callback */
01274         const StationSpec *statspec = StationClass::Get(_railstation.station_class, y);
01275         if (statspec != NULL && HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01276             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) return;
01277 
01278         _railstation.station_type = y;
01279 
01280         this->CheckSelectedSize(statspec);
01281 
01282         SndPlayFx(SND_15_BEEP);
01283         this->SetDirty();
01284         DeleteWindowById(WC_SELECT_STATION, 0);
01285         break;
01286       }
01287     }
01288   }
01289 
01290   virtual void OnDropdownSelect(int widget, int index)
01291   {
01292     if (_railstation.station_class != index) {
01293       _railstation.station_class = (StationClassID)index;
01294       _railstation.station_type  = 0;
01295       _railstation.station_count = StationClass::GetCount(_railstation.station_class);
01296 
01297       this->CheckSelectedSize(StationClass::Get(_railstation.station_class, _railstation.station_type));
01298 
01299       this->vscroll->SetCount(_railstation.station_count);
01300       this->vscroll->SetPosition(_railstation.station_type);
01301     }
01302 
01303     SndPlayFx(SND_15_BEEP);
01304     this->SetDirty();
01305     DeleteWindowById(WC_SELECT_STATION, 0);
01306   }
01307 
01308   virtual void OnTick()
01309   {
01310     CheckRedrawStationCoverage(this);
01311   }
01312 };
01313 
01314 static const NWidgetPart _nested_station_builder_widgets[] = {
01315   NWidget(NWID_HORIZONTAL),
01316     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01317     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_RAIL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01318   EndContainer(),
01319   NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRSW_BACKGROUND),
01320     /* begin newstations gui additions. */
01321     NWidget(NWID_SELECTION, INVALID_COLOUR, BRSW_SHOW_NEWST_ADDITIONS),
01322       NWidget(NWID_VERTICAL),
01323         NWidget(WWT_DROPDOWN, COLOUR_GREY, BRSW_NEWST_DROPDOWN), SetMinimalSize(134, 12), SetFill(1, 0), SetPadding(3, 7, 3, 7), SetDataTip(STR_BLACK_STRING, STR_STATION_BUILD_STATION_CLASS_TOOLTIP),
01324         NWidget(NWID_HORIZONTAL), SetPIP(7, 0, 7),
01325           NWidget(WWT_MATRIX, COLOUR_GREY, BRSW_NEWST_LIST), SetMinimalSize(122, 71), SetFill(1, 0), SetDataTip(0x501, STR_STATION_BUILD_STATION_TYPE_TOOLTIP), SetScrollbar(BRSW_NEWST_SCROLL),
01326           NWidget(NWID_VSCROLLBAR, COLOUR_GREY, BRSW_NEWST_SCROLL),
01327         EndContainer(),
01328         NWidget(NWID_SPACER), SetMinimalSize(0, 1),
01329       EndContainer(),
01330     EndContainer(),
01331     /* end newstations gui additions. */
01332     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_ORIENTATION, STR_NULL), SetPadding(1, 2, 0, 2),
01333     NWidget(NWID_HORIZONTAL),
01334       NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01335       NWidget(WWT_PANEL, COLOUR_GREY, BRSW_PLATFORM_DIR_X), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01336       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01337       NWidget(WWT_PANEL, COLOUR_GREY, BRSW_PLATFORM_DIR_Y), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01338       NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01339     EndContainer(),
01340     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_NUMBER_OF_TRACKS, STR_NULL), SetPadding(2, 2, 0, 2),
01341     NWidget(NWID_HORIZONTAL),
01342       NWidget(NWID_SPACER), SetFill(1, 0),
01343       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01344       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01345       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01346       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01347       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01348       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01349       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01350       NWidget(NWID_SPACER), SetFill(1, 0),
01351     EndContainer(),
01352     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_PLATFORM_LENGTH, STR_NULL), SetPadding(2, 2, 0, 2),
01353     NWidget(NWID_HORIZONTAL),
01354       NWidget(NWID_SPACER), SetFill(1, 0),
01355       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01356       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01357       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01358       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01359       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01360       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01361       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01362       NWidget(NWID_SPACER), SetFill(1, 0),
01363     EndContainer(),
01364     NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01365     NWidget(NWID_HORIZONTAL),
01366       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01367       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_DRAG_N_DROP), SetMinimalSize(75, 12), SetDataTip(STR_STATION_BUILD_DRAG_DROP, STR_STATION_BUILD_DRAG_DROP_TOOLTIP),
01368       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01369     EndContainer(),
01370     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetPadding(3, 2, 0, 2),
01371     NWidget(NWID_HORIZONTAL),
01372       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01373       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_HIGHLIGHT_OFF), SetMinimalSize(60, 12),
01374                     SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
01375       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_HIGHLIGHT_ON), SetMinimalSize(60, 12),
01376                     SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
01377       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01378     EndContainer(),
01379     NWidget(NWID_SPACER), SetMinimalSize(0, 20), SetResize(0, 1),
01380   EndContainer(),
01381 };
01382 
01384 static const WindowDesc _station_builder_desc(
01385   WDP_AUTO, 0, 0,
01386   WC_BUILD_STATION, WC_BUILD_TOOLBAR,
01387   WDF_CONSTRUCTION,
01388   _nested_station_builder_widgets, lengthof(_nested_station_builder_widgets)
01389 );
01390 
01392 static void ShowStationBuilder(Window *parent)
01393 {
01394   bool newstations = StationClass::GetCount() > 2 || StationClass::GetCount(STAT_CLASS_DFLT) != 1;
01395   new BuildRailStationWindow(&_station_builder_desc, parent, newstations);
01396 }
01397 
01399 enum BuildSignalWidgets {
01400   BSW_SEMAPHORE_NORM,
01401   BSW_SEMAPHORE_ENTRY,
01402   BSW_SEMAPHORE_EXIT,
01403   BSW_SEMAPHORE_COMBO,
01404   BSW_SEMAPHORE_PBS,
01405   BSW_SEMAPHORE_PBS_OWAY,
01406   BSW_ELECTRIC_NORM,
01407   BSW_ELECTRIC_ENTRY,
01408   BSW_ELECTRIC_EXIT,
01409   BSW_ELECTRIC_COMBO,
01410   BSW_ELECTRIC_PBS,
01411   BSW_ELECTRIC_PBS_OWAY,
01412   BSW_CONVERT,
01413   BSW_DRAG_SIGNALS_DENSITY,
01414   BSW_DRAG_SIGNALS_DENSITY_LABEL,
01415   BSW_DRAG_SIGNALS_DENSITY_DECREASE,
01416   BSW_DRAG_SIGNALS_DENSITY_INCREASE,
01417 };
01418 
01419 struct BuildSignalWindow : public PickerWindowBase {
01420 private:
01428   void DrawSignalSprite(byte widget_index, SpriteID image) const
01429   {
01430     /* First get the right image, which is one later for 'green' signals. */
01431     image += this->IsWidgetLowered(widget_index);
01432 
01433     /* Next get the actual sprite so we can calculate the right offsets. */
01434     const Sprite *sprite = GetSprite(image, ST_NORMAL);
01435 
01436     /* For the x offset we want the sprite to be centered, so undo the offset
01437      * for sprite drawing and add half of the sprite's width. For the y offset
01438      * we want the sprite to be aligned on the bottom, so again we undo the
01439      * offset for sprite drawing and assume it is the bottom of the sprite. */
01440     int sprite_center_x_offset = sprite->x_offs + sprite->width / 2;
01441     int sprite_bottom_y_offset = sprite->height + sprite->y_offs;
01442 
01443     /* Next we want to know where on the window to draw. Calculate the center
01444      * and the bottom of the area to draw. */
01445     const NWidgetBase *widget = this->GetWidget<NWidgetBase>(widget_index);
01446     int widget_center_x = widget->pos_x + widget->current_x / 2;
01447     int widget_bottom_y = widget->pos_y + widget->current_y - 2;
01448 
01449     /* Finally we draw the signal. */
01450     DrawSprite(image, PAL_NONE,
01451         widget_center_x - sprite_center_x_offset + this->IsWidgetLowered(widget_index),
01452         widget_bottom_y - sprite_bottom_y_offset + this->IsWidgetLowered(widget_index));
01453   }
01454 
01455 public:
01456   BuildSignalWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01457   {
01458     this->InitNested(desc, TRANSPORT_RAIL);
01459     this->OnInvalidateData();
01460   };
01461 
01462   virtual void SetStringParameters(int widget) const
01463   {
01464     switch (widget) {
01465       case BSW_DRAG_SIGNALS_DENSITY_LABEL:
01466         SetDParam(0, _settings_client.gui.drag_signals_density);
01467         break;
01468     }
01469   }
01470 
01471   virtual void DrawWidget(const Rect &r, int widget) const
01472   {
01473     if (IsInsideMM(widget, BSW_SEMAPHORE_NORM, BSW_ELECTRIC_PBS_OWAY + 1)) {
01474       /* We need to do some custom sprite widget drawing for the signals. */
01475       const SpriteID _signal_lookup[] = {
01476         SPR_IMG_SIGNAL_SEMAPHORE_NORM,  SPR_IMG_SIGNAL_SEMAPHORE_ENTRY, SPR_IMG_SIGNAL_SEMAPHORE_EXIT,
01477         SPR_IMG_SIGNAL_SEMAPHORE_COMBO, SPR_IMG_SIGNAL_SEMAPHORE_PBS,   SPR_IMG_SIGNAL_SEMAPHORE_PBS_OWAY,
01478 
01479         SPR_IMG_SIGNAL_ELECTRIC_NORM,  SPR_IMG_SIGNAL_ELECTRIC_ENTRY, SPR_IMG_SIGNAL_ELECTRIC_EXIT,
01480         SPR_IMG_SIGNAL_ELECTRIC_COMBO, SPR_IMG_SIGNAL_ELECTRIC_PBS,   SPR_IMG_SIGNAL_ELECTRIC_PBS_OWAY
01481       };
01482 
01483       this->DrawSignalSprite(widget, _signal_lookup[widget - BSW_SEMAPHORE_NORM]);
01484     }
01485   }
01486 
01487   virtual void OnClick(Point pt, int widget, int click_count)
01488   {
01489     switch (widget) {
01490       case BSW_SEMAPHORE_NORM:
01491       case BSW_SEMAPHORE_ENTRY:
01492       case BSW_SEMAPHORE_EXIT:
01493       case BSW_SEMAPHORE_COMBO:
01494       case BSW_SEMAPHORE_PBS:
01495       case BSW_SEMAPHORE_PBS_OWAY:
01496       case BSW_ELECTRIC_NORM:
01497       case BSW_ELECTRIC_ENTRY:
01498       case BSW_ELECTRIC_EXIT:
01499       case BSW_ELECTRIC_COMBO:
01500       case BSW_ELECTRIC_PBS:
01501       case BSW_ELECTRIC_PBS_OWAY:
01502         this->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01503 
01504         _cur_signal_type = (SignalType)((uint)((widget - BSW_SEMAPHORE_NORM) % (SIGTYPE_LAST + 1)));
01505         _cur_signal_variant = widget >= BSW_ELECTRIC_NORM ? SIG_ELECTRIC : SIG_SEMAPHORE;
01506         break;
01507 
01508       case BSW_CONVERT:
01509         _convert_signal_button = !_convert_signal_button;
01510         break;
01511 
01512       case BSW_DRAG_SIGNALS_DENSITY_DECREASE:
01513         if (_settings_client.gui.drag_signals_density > 1) {
01514           _settings_client.gui.drag_signals_density--;
01515           SetWindowDirty(WC_GAME_OPTIONS, 0);
01516         }
01517         break;
01518 
01519       case BSW_DRAG_SIGNALS_DENSITY_INCREASE:
01520         if (_settings_client.gui.drag_signals_density < 20) {
01521           _settings_client.gui.drag_signals_density++;
01522           SetWindowDirty(WC_GAME_OPTIONS, 0);
01523         }
01524         break;
01525 
01526       default: break;
01527     }
01528 
01529     this->InvalidateData();
01530   }
01531 
01532   virtual void OnInvalidateData(int data = 0)
01533   {
01534     this->LowerWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01535 
01536     this->SetWidgetLoweredState(BSW_CONVERT, _convert_signal_button);
01537 
01538     this->SetWidgetDisabledState(BSW_DRAG_SIGNALS_DENSITY_DECREASE, _settings_client.gui.drag_signals_density == 1);
01539     this->SetWidgetDisabledState(BSW_DRAG_SIGNALS_DENSITY_INCREASE, _settings_client.gui.drag_signals_density == 20);
01540   }
01541 };
01542 
01544 static const NWidgetPart _nested_signal_builder_widgets[] = {
01545   NWidget(NWID_HORIZONTAL),
01546     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01547     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_SIGNAL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01548   EndContainer(),
01549   NWidget(NWID_VERTICAL, NC_EQUALSIZE),
01550     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01551       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01552       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01553       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01554       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01555       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01556       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_PBS_OWAY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_OWAY_TOOLTIP), EndContainer(), SetFill(1, 1),
01557       NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, BSW_CONVERT), SetDataTip(SPR_IMG_SIGNAL_CONVERT, STR_BUILD_SIGNAL_CONVERT_TOOLTIP), SetFill(1, 1),
01558     EndContainer(),
01559     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01560       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01561       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01562       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01563       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01564       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01565       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_PBS_OWAY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_OWAY_TOOLTIP), EndContainer(), SetFill(1, 1),
01566       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_DRAG_SIGNALS_DENSITY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01567         NWidget(WWT_LABEL, COLOUR_DARK_GREEN, BSW_DRAG_SIGNALS_DENSITY_LABEL), SetDataTip(STR_ORANGE_INT, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01568         NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
01569           NWidget(NWID_SPACER), SetFill(1, 0),
01570           NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, BSW_DRAG_SIGNALS_DENSITY_DECREASE), SetMinimalSize(9, 12), SetDataTip(AWV_DECREASE, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_DECREASE_TOOLTIP),
01571           NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, BSW_DRAG_SIGNALS_DENSITY_INCREASE), SetMinimalSize(9, 12), SetDataTip(AWV_INCREASE, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_INCREASE_TOOLTIP),
01572           NWidget(NWID_SPACER), SetFill(1, 0),
01573         EndContainer(),
01574         NWidget(NWID_SPACER), SetMinimalSize(0, 2), SetFill(1, 0),
01575       EndContainer(),
01576     EndContainer(),
01577   EndContainer(),
01578 };
01579 
01581 static const WindowDesc _signal_builder_desc(
01582   WDP_AUTO, 0, 0,
01583   WC_BUILD_SIGNAL, WC_BUILD_TOOLBAR,
01584   WDF_UNCLICK_BUTTONS | WDF_CONSTRUCTION,
01585   _nested_signal_builder_widgets, lengthof(_nested_signal_builder_widgets)
01586 );
01587 
01591 static void ShowSignalBuilder(Window *parent)
01592 {
01593   new BuildSignalWindow(&_signal_builder_desc, parent);
01594 }
01595 
01597 enum BuildRailDepotWidgets {
01598   BRDW_DEPOT_NE,
01599   BRDW_DEPOT_SE,
01600   BRDW_DEPOT_SW,
01601   BRDW_DEPOT_NW,
01602 };
01603 
01604 struct BuildRailDepotWindow : public PickerWindowBase {
01605   BuildRailDepotWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01606   {
01607     this->InitNested(desc, TRANSPORT_RAIL);
01608     this->LowerWidget(_build_depot_direction + BRDW_DEPOT_NE);
01609   }
01610 
01611   virtual void DrawWidget(const Rect &r, int widget) const
01612   {
01613     if (!IsInsideMM(widget, BRDW_DEPOT_NE, BRDW_DEPOT_NW + 1)) return;
01614 
01615     DrawTrainDepotSprite(r.left - 1, r.top, widget - BRDW_DEPOT_NE + DIAGDIR_NE, _cur_railtype);
01616   }
01617 
01618   virtual void OnClick(Point pt, int widget, int click_count)
01619   {
01620     switch (widget) {
01621       case BRDW_DEPOT_NE:
01622       case BRDW_DEPOT_SE:
01623       case BRDW_DEPOT_SW:
01624       case BRDW_DEPOT_NW:
01625         this->RaiseWidget(_build_depot_direction + BRDW_DEPOT_NE);
01626         _build_depot_direction = (DiagDirection)(widget - BRDW_DEPOT_NE);
01627         this->LowerWidget(_build_depot_direction + BRDW_DEPOT_NE);
01628         SndPlayFx(SND_15_BEEP);
01629         this->SetDirty();
01630         break;
01631     }
01632   }
01633 };
01634 
01636 static const NWidgetPart _nested_build_depot_widgets[] = {
01637   NWidget(NWID_HORIZONTAL),
01638     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01639     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_DEPOT_TRAIN_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01640   EndContainer(),
01641   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01642     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01643     NWidget(NWID_HORIZONTAL_LTR),
01644       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01645       NWidget(NWID_VERTICAL),
01646         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01647         EndContainer(),
01648         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01649         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01650         EndContainer(),
01651       EndContainer(),
01652       NWidget(NWID_SPACER), SetMinimalSize(2, 0),
01653       NWidget(NWID_VERTICAL),
01654         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01655         EndContainer(),
01656         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01657         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01658         EndContainer(),
01659       EndContainer(),
01660       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01661     EndContainer(),
01662     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01663   EndContainer(),
01664 };
01665 
01666 static const WindowDesc _build_depot_desc(
01667   WDP_AUTO, 0, 0,
01668   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01669   WDF_CONSTRUCTION,
01670   _nested_build_depot_widgets, lengthof(_nested_build_depot_widgets)
01671 );
01672 
01673 static void ShowBuildTrainDepotPicker(Window *parent)
01674 {
01675   new BuildRailDepotWindow(&_build_depot_desc, parent);
01676 }
01677 
01679 enum BuildRailWaypointWidgets {
01680   BRWW_WAYPOINT_MATRIX,
01681   BRWW_WAYPOINT,
01682   BRWW_SCROLL,
01683 };
01684 
01685 struct BuildRailWaypointWindow : PickerWindowBase {
01686   BuildRailWaypointWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01687   {
01688     this->CreateNestedTree(desc);
01689 
01690     NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX);
01691     matrix->SetScrollbar(this->GetScrollbar(BRWW_SCROLL));
01692 
01693     this->FinishInitNested(desc, TRANSPORT_RAIL);
01694 
01695     matrix->SetCount(_waypoint_count);
01696     matrix->SetClicked(_cur_waypoint_type);
01697   };
01698 
01699   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01700   {
01701     switch (widget) {
01702       case BRWW_WAYPOINT_MATRIX:
01703         /* Three blobs high and wide. */
01704         size->width  += resize->width  * 2;
01705         size->height += resize->height * 2;
01706 
01707         /* Resizing in X direction only at blob size, but at pixel level in Y. */
01708         resize->height = 1;
01709         break;
01710     }
01711   }
01712 
01713   virtual void DrawWidget(const Rect &r, int widget) const
01714   {
01715     switch (GB(widget, 0, 16)) {
01716       case BRWW_WAYPOINT: {
01717         byte type = GB(widget, 16, 16);
01718         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, type);
01719         DrawWaypointSprite(r.left + TILE_PIXELS, r.bottom - TILE_PIXELS, type, _cur_railtype);
01720 
01721         if (statspec != NULL &&
01722             HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01723             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) {
01724           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, 0, FILLRECT_CHECKER);
01725         }
01726       }
01727     }
01728   }
01729 
01730   virtual void OnClick(Point pt, int widget, int click_count)
01731   {
01732     switch (GB(widget, 0, 16)) {
01733       case BRWW_WAYPOINT: {
01734         byte type = GB(widget, 16, 16);
01735         this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01736 
01737         /* Check station availability callback */
01738         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, type);
01739         if (statspec != NULL &&
01740             HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01741             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) return;
01742 
01743         _cur_waypoint_type = type;
01744         this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01745         SndPlayFx(SND_15_BEEP);
01746         this->SetDirty();
01747         break;
01748       }
01749     }
01750   }
01751 };
01752 
01754 static const NWidgetPart _nested_build_waypoint_widgets[] = {
01755   NWidget(NWID_HORIZONTAL),
01756     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01757     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_WAYPOINT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01758   EndContainer(),
01759   NWidget(NWID_HORIZONTAL),
01760     NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, BRWW_WAYPOINT_MATRIX), SetPIP(3, 2, 3), SetScrollbar(BRWW_SCROLL),
01761       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRWW_WAYPOINT), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), EndContainer(),
01762     EndContainer(),
01763     NWidget(NWID_VERTICAL),
01764       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, BRWW_SCROLL),
01765       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01766     EndContainer(),
01767   EndContainer(),
01768 };
01769 
01770 static const WindowDesc _build_waypoint_desc(
01771   WDP_AUTO, 0, 0,
01772   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01773   WDF_CONSTRUCTION,
01774   _nested_build_waypoint_widgets, lengthof(_nested_build_waypoint_widgets)
01775 );
01776 
01777 static void ShowBuildWaypointPicker(Window *parent)
01778 {
01779   new BuildRailWaypointWindow(&_build_waypoint_desc, parent);
01780 }
01781 
01785 void InitializeRailGui()
01786 {
01787   _build_depot_direction = DIAGDIR_NW;
01788 }
01789 
01794 void ReinitGuiAfterToggleElrail(bool disable)
01795 {
01796   extern RailType _last_built_railtype;
01797   if (disable && _last_built_railtype == RAILTYPE_ELECTRIC) {
01798     _last_built_railtype = _cur_railtype = RAILTYPE_RAIL;
01799     BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01800     if (w != NULL) w->ModifyRailType(_cur_railtype);
01801   }
01802   MarkWholeScreenDirty();
01803 }
01804 
01806 static void SetDefaultRailGui()
01807 {
01808   if (_local_company == COMPANY_SPECTATOR || !Company::IsValidID(_local_company)) return;
01809 
01810   extern RailType _last_built_railtype;
01811   RailType rt = (RailType)(_settings_client.gui.default_rail_type + RAILTYPE_END);
01812   if (rt == DEF_RAILTYPE_MOST_USED) {
01813     /* Find the most used rail type */
01814     RailType count[RAILTYPE_END];
01815     memset(count, 0, sizeof(count));
01816     for (TileIndex t = 0; t < MapSize(); t++) {
01817       if (IsTileType(t, MP_RAILWAY) || IsLevelCrossingTile(t) || HasStationTileRail(t) ||
01818           (IsTileType(t, MP_TUNNELBRIDGE) && GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL)) {
01819         count[GetRailType(t)]++;
01820       }
01821     }
01822 
01823     rt = RAILTYPE_RAIL;
01824     for (RailType r = RAILTYPE_ELECTRIC; r < RAILTYPE_END; r++) {
01825       if (count[r] >= count[rt]) rt = r;
01826     }
01827 
01828     /* No rail, just get the first available one */
01829     if (count[rt] == 0) rt = DEF_RAILTYPE_FIRST;
01830   }
01831   switch (rt) {
01832     case DEF_RAILTYPE_FIRST:
01833       rt = RAILTYPE_RAIL;
01834       while (rt < RAILTYPE_END && !HasRailtypeAvail(_local_company, rt)) rt++;
01835       break;
01836 
01837     case DEF_RAILTYPE_LAST:
01838       rt = GetBestRailtype(_local_company);
01839       break;
01840 
01841     default:
01842       break;
01843   }
01844 
01845   _last_built_railtype = _cur_railtype = rt;
01846   BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01847   if (w != NULL) w->ModifyRailType(_cur_railtype);
01848 }
01849 
01856 bool ResetSignalVariant(int32 p = 0)
01857 {
01858   SignalVariant new_variant = (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC);
01859 
01860   if (new_variant != _cur_signal_variant) {
01861     Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
01862     if (w != NULL) {
01863       w->SetDirty();
01864       w->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01865     }
01866     _cur_signal_variant = new_variant;
01867   }
01868 
01869   return true;
01870 }
01871 
01876 void InitializeRailGUI()
01877 {
01878   SetDefaultRailGui();
01879 
01880   _convert_signal_button = false;
01881   _cur_signal_type = _default_signal_type[_settings_client.gui.default_signal_type];
01882   ResetSignalVariant();
01883 }

Generated on Thu Dec 23 23:41:30 2010 for OpenTTD by  doxygen 1.6.1