rail_gui.cpp

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00001 /* $Id: rail_gui.cpp 21628 2010-12-24 17:51:46Z 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   int trackstat = _thd.drawstyle & HT_DIR_MASK; // 0..5
00364 
00365   if (_thd.drawstyle & HT_RAIL) { // one tile case
00366     GenericPlaceRail(TileVirtXY(_thd.selend.x, _thd.selend.y), trackstat);
00367     return;
00368   }
00369 
00370   DoRailroadTrack(trackstat);
00371 }
00372 
00379 static void HandleAutoSignalPlacement()
00380 {
00381   uint32 p2 = GB(_thd.drawstyle, 0, 3); // 0..5
00382 
00383   if ((_thd.drawstyle & HT_DRAG_MASK) == HT_RECT) { // one tile case
00384     GenericPlaceSignals(TileVirtXY(_thd.selend.x, _thd.selend.y));
00385     return;
00386   }
00387 
00388   const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00389 
00390   if (w != NULL) {
00391     /* signal GUI is used */
00392     SB(p2,  3, 1, 0);
00393     SB(p2,  4, 1, _cur_signal_variant);
00394     SB(p2,  6, 1, _ctrl_pressed);
00395     SB(p2,  7, 3, _cur_signal_type);
00396     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00397   } else {
00398     SB(p2,  3, 1, 0);
00399     SB(p2,  4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00400     SB(p2,  6, 1, _ctrl_pressed);
00401     SB(p2,  7, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00402     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00403   }
00404 
00405   /* _settings_client.gui.drag_signals_density is given as a parameter such that each user
00406    * in a network game can specify his/her own signal density */
00407   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), p2,
00408       _remove_button_clicked ?
00409       CMD_REMOVE_SIGNAL_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM) :
00410       CMD_BUILD_SIGNAL_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00411       CcPlaySound1E);
00412 }
00413 
00414 
00416 struct BuildRailToolbarWindow : Window {
00417   RailType railtype;    
00418   int last_user_action; 
00419 
00420   BuildRailToolbarWindow(const WindowDesc *desc, WindowNumber window_number, RailType railtype) : Window()
00421   {
00422     this->InitNested(desc);
00423     this->SetupRailToolbar(railtype);
00424     this->DisableWidget(RTW_REMOVE);
00425     this->last_user_action = WIDGET_LIST_END;
00426 
00427     if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
00428   }
00429 
00430   ~BuildRailToolbarWindow()
00431   {
00432     if (_settings_client.gui.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0, false);
00433   }
00434 
00439   void SetupRailToolbar(RailType railtype)
00440   {
00441     this->railtype = railtype;
00442     const RailtypeInfo *rti = GetRailTypeInfo(railtype);
00443 
00444     assert(railtype < RAILTYPE_END);
00445     this->GetWidget<NWidgetCore>(RTW_BUILD_NS)->widget_data     = rti->gui_sprites.build_ns_rail;
00446     this->GetWidget<NWidgetCore>(RTW_BUILD_X)->widget_data      = rti->gui_sprites.build_x_rail;
00447     this->GetWidget<NWidgetCore>(RTW_BUILD_EW)->widget_data     = rti->gui_sprites.build_ew_rail;
00448     this->GetWidget<NWidgetCore>(RTW_BUILD_Y)->widget_data      = rti->gui_sprites.build_y_rail;
00449     this->GetWidget<NWidgetCore>(RTW_AUTORAIL)->widget_data     = rti->gui_sprites.auto_rail;
00450     this->GetWidget<NWidgetCore>(RTW_BUILD_DEPOT)->widget_data  = rti->gui_sprites.build_depot;
00451     this->GetWidget<NWidgetCore>(RTW_CONVERT_RAIL)->widget_data = rti->gui_sprites.convert_rail;
00452     this->GetWidget<NWidgetCore>(RTW_BUILD_TUNNEL)->widget_data = rti->gui_sprites.build_tunnel;
00453   }
00454 
00459   void ModifyRailType(RailType railtype)
00460   {
00461     this->SetupRailToolbar(railtype);
00462     this->ReInit();
00463   }
00464 
00465   void UpdateRemoveWidgetStatus(int clicked_widget)
00466   {
00467     switch (clicked_widget) {
00468       case RTW_REMOVE:
00469         /* If it is the removal button that has been clicked, do nothing,
00470          * as it is up to the other buttons to drive removal status */
00471         return;
00472 
00473       case RTW_BUILD_NS:
00474       case RTW_BUILD_X:
00475       case RTW_BUILD_EW:
00476       case RTW_BUILD_Y:
00477       case RTW_AUTORAIL:
00478       case RTW_BUILD_WAYPOINT:
00479       case RTW_BUILD_STATION:
00480       case RTW_BUILD_SIGNALS:
00481         /* Removal button is enabled only if the rail/signal/waypoint/station
00482          * button is still lowered.  Once raised, it has to be disabled */
00483         this->SetWidgetDisabledState(RTW_REMOVE, !this->IsWidgetLowered(clicked_widget));
00484         break;
00485 
00486       default:
00487         /* When any other buttons than rail/signal/waypoint/station, raise and
00488          * disable the removal button */
00489         this->DisableWidget(RTW_REMOVE);
00490         this->RaiseWidget(RTW_REMOVE);
00491         break;
00492     }
00493   }
00494 
00495   virtual void SetStringParameters(int widget) const
00496   {
00497     if (widget == RTW_CAPTION) {
00498       const RailtypeInfo *rti = GetRailTypeInfo(this->railtype);
00499       if (rti->max_speed > 0) {
00500         SetDParam(0, STR_TOOLBAR_RAILTYPE_VELOCITY);
00501         SetDParam(1, rti->strings.toolbar_caption);
00502         SetDParam(2, rti->max_speed);
00503       } else {
00504         SetDParam(0, rti->strings.toolbar_caption);
00505       }
00506     }
00507   }
00508 
00509   virtual void OnClick(Point pt, int widget, int click_count)
00510   {
00511     if (widget < RTW_BUILD_NS) return;
00512 
00513     _remove_button_clicked = false;
00514     switch (widget) {
00515       case RTW_BUILD_NS:
00516         HandlePlacePushButton(this, RTW_BUILD_NS, GetRailTypeInfo(_cur_railtype)->cursor.rail_ns, HT_LINE | HT_DIR_VL);
00517         this->last_user_action = widget;
00518         break;
00519 
00520       case RTW_BUILD_X:
00521         HandlePlacePushButton(this, RTW_BUILD_X, GetRailTypeInfo(_cur_railtype)->cursor.rail_swne, HT_LINE | HT_DIR_X);
00522         this->last_user_action = widget;
00523         break;
00524 
00525       case RTW_BUILD_EW:
00526         HandlePlacePushButton(this, RTW_BUILD_EW, GetRailTypeInfo(_cur_railtype)->cursor.rail_ew, HT_LINE | HT_DIR_HL);
00527         this->last_user_action = widget;
00528         break;
00529 
00530       case RTW_BUILD_Y:
00531         HandlePlacePushButton(this, RTW_BUILD_Y, GetRailTypeInfo(_cur_railtype)->cursor.rail_nwse, HT_LINE | HT_DIR_Y);
00532         this->last_user_action = widget;
00533         break;
00534 
00535       case RTW_AUTORAIL:
00536         HandlePlacePushButton(this, RTW_AUTORAIL, GetRailTypeInfo(_cur_railtype)->cursor.autorail, HT_RAIL);
00537         this->last_user_action = widget;
00538         break;
00539 
00540       case RTW_DEMOLISH:
00541         HandlePlacePushButton(this, RTW_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
00542         this->last_user_action = widget;
00543         break;
00544 
00545       case RTW_BUILD_DEPOT:
00546         if (HandlePlacePushButton(this, RTW_BUILD_DEPOT, GetRailTypeInfo(_cur_railtype)->cursor.depot, HT_RECT)) {
00547           ShowBuildTrainDepotPicker(this);
00548           this->last_user_action = widget;
00549         }
00550         break;
00551 
00552       case RTW_BUILD_WAYPOINT:
00553         this->last_user_action = widget;
00554         _waypoint_count = StationClass::GetCount(STAT_CLASS_WAYP);
00555         if (HandlePlacePushButton(this, RTW_BUILD_WAYPOINT, SPR_CURSOR_WAYPOINT, HT_RECT) && _waypoint_count > 1) {
00556           ShowBuildWaypointPicker(this);
00557         }
00558         break;
00559 
00560       case RTW_BUILD_STATION:
00561         if (HandlePlacePushButton(this, RTW_BUILD_STATION, SPR_CURSOR_RAIL_STATION, HT_RECT)) {
00562           ShowStationBuilder(this);
00563           this->last_user_action = widget;
00564         }
00565         break;
00566 
00567       case RTW_BUILD_SIGNALS: {
00568         this->last_user_action = widget;
00569         bool started = HandlePlacePushButton(this, RTW_BUILD_SIGNALS, ANIMCURSOR_BUILDSIGNALS, HT_RECT);
00570         if (started && _settings_client.gui.enable_signal_gui != _ctrl_pressed) {
00571           ShowSignalBuilder(this);
00572         }
00573         break;
00574       }
00575 
00576       case RTW_BUILD_BRIDGE:
00577         HandlePlacePushButton(this, RTW_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT);
00578         this->last_user_action = widget;
00579         break;
00580 
00581       case RTW_BUILD_TUNNEL:
00582         HandlePlacePushButton(this, RTW_BUILD_TUNNEL, GetRailTypeInfo(_cur_railtype)->cursor.tunnel, HT_SPECIAL);
00583         this->last_user_action = widget;
00584         break;
00585 
00586       case RTW_REMOVE:
00587         BuildRailClick_Remove(this);
00588         break;
00589 
00590       case RTW_CONVERT_RAIL:
00591         HandlePlacePushButton(this, RTW_CONVERT_RAIL, GetRailTypeInfo(_cur_railtype)->cursor.convert, HT_RECT);
00592         this->last_user_action = widget;
00593         break;
00594 
00595       default: NOT_REACHED();
00596     }
00597     this->UpdateRemoveWidgetStatus(widget);
00598     if (_ctrl_pressed) RailToolbar_CtrlChanged(this);
00599   }
00600 
00601   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
00602   {
00603     int num = CheckHotkeyMatch(railtoolbar_hotkeys, keycode, this);
00604     if (num == -1) return ES_NOT_HANDLED;
00605     this->OnClick(Point(), num, 1);
00606     MarkTileDirtyByTile(TileVirtXY(_thd.pos.x, _thd.pos.y)); // redraw tile selection
00607     return ES_HANDLED;
00608   }
00609 
00610   virtual void OnPlaceObject(Point pt, TileIndex tile)
00611   {
00612     switch (this->last_user_action) {
00613       case RTW_BUILD_NS:
00614         VpStartPlaceSizing(tile, VPM_FIX_VERTICAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00615         break;
00616 
00617       case RTW_BUILD_X:
00618         VpStartPlaceSizing(tile, VPM_FIX_Y | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00619         break;
00620 
00621       case RTW_BUILD_EW:
00622         VpStartPlaceSizing(tile, VPM_FIX_HORIZONTAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00623         break;
00624 
00625       case RTW_BUILD_Y:
00626         VpStartPlaceSizing(tile, VPM_FIX_X | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00627         break;
00628 
00629       case RTW_AUTORAIL:
00630         VpStartPlaceSizing(tile, VPM_RAILDIRS, DDSP_PLACE_RAIL);
00631         break;
00632 
00633       case RTW_DEMOLISH:
00634         PlaceProc_DemolishArea(tile);
00635         break;
00636 
00637       case RTW_BUILD_DEPOT:
00638         DoCommandP(tile, _cur_railtype, _build_depot_direction,
00639             CMD_BUILD_TRAIN_DEPOT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_DEPOT),
00640             CcRailDepot);
00641         break;
00642 
00643       case RTW_BUILD_WAYPOINT:
00644         PlaceRail_Waypoint(tile);
00645         break;
00646 
00647       case RTW_BUILD_STATION:
00648         PlaceRail_Station(tile);
00649         break;
00650 
00651       case RTW_BUILD_SIGNALS:
00652         VpStartPlaceSizing(tile, VPM_SIGNALDIRS, DDSP_BUILD_SIGNALS);
00653         break;
00654 
00655       case RTW_BUILD_BRIDGE:
00656         PlaceRail_Bridge(tile, this);
00657         break;
00658 
00659       case RTW_BUILD_TUNNEL:
00660         DoCommandP(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, CMD_BUILD_TUNNEL | CMD_MSG(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE), CcBuildRailTunnel);
00661         break;
00662 
00663       case RTW_CONVERT_RAIL:
00664         VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CONVERT_RAIL);
00665         break;
00666 
00667       default: NOT_REACHED();
00668     }
00669   }
00670 
00671   virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
00672   {
00673     /* no dragging if you have pressed the convert button */
00674     if (FindWindowById(WC_BUILD_SIGNAL, 0) != NULL && _convert_signal_button && this->IsWidgetLowered(RTW_BUILD_SIGNALS)) return;
00675 
00676     VpSelectTilesWithMethod(pt.x, pt.y, select_method);
00677   }
00678 
00679   virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile)
00680   {
00681     if (pt.x != -1) {
00682       switch (select_proc) {
00683         default: NOT_REACHED();
00684         case DDSP_BUILD_BRIDGE:
00685           if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00686           ShowBuildBridgeWindow(start_tile, end_tile, TRANSPORT_RAIL, _cur_railtype);
00687           break;
00688 
00689         case DDSP_PLACE_RAIL:
00690           HandleAutodirPlacement();
00691           break;
00692 
00693         case DDSP_BUILD_SIGNALS:
00694           HandleAutoSignalPlacement();
00695           break;
00696 
00697         case DDSP_DEMOLISH_AREA:
00698           GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
00699           break;
00700 
00701         case DDSP_CONVERT_RAIL:
00702           DoCommandP(end_tile, start_tile, _cur_railtype, CMD_CONVERT_RAIL | CMD_MSG(STR_ERROR_CAN_T_CONVERT_RAIL), CcPlaySound10);
00703           break;
00704 
00705         case DDSP_REMOVE_STATION:
00706         case DDSP_BUILD_STATION:
00707           if (this->IsWidgetLowered(RTW_BUILD_STATION)) {
00708             /* Station */
00709             if (_remove_button_clicked) {
00710               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);
00711             } else {
00712               HandleStationPlacement(start_tile, end_tile);
00713             }
00714           } else {
00715             /* Waypoint */
00716             if (_remove_button_clicked) {
00717               DoCommandP(end_tile, start_tile, _ctrl_pressed ? 0 : 1, CMD_REMOVE_FROM_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_REMOVE_TRAIN_WAYPOINT), CcPlaySound1E);
00718             } else {
00719               TileArea ta(start_tile, end_tile);
00720               uint32 p1 = _cur_railtype | (select_method == VPM_FIX_X ? AXIS_X : AXIS_Y) << 4 | ta.w << 8 | ta.h << 16 | _ctrl_pressed << 24;
00721               uint32 p2 = STAT_CLASS_WAYP | _cur_waypoint_type << 8 | INVALID_STATION << 16;
00722 
00723               CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_WAYPOINT), CcPlaySound1E, "" };
00724               ShowSelectWaypointIfNeeded(cmdcont, ta);
00725             }
00726           }
00727           break;
00728       }
00729     }
00730   }
00731 
00732   virtual void OnPlaceObjectAbort()
00733   {
00734     this->RaiseButtons();
00735     this->DisableWidget(RTW_REMOVE);
00736     this->SetWidgetDirty(RTW_REMOVE);
00737 
00738     DeleteWindowById(WC_BUILD_SIGNAL, TRANSPORT_RAIL);
00739     DeleteWindowById(WC_BUILD_STATION, TRANSPORT_RAIL);
00740     DeleteWindowById(WC_BUILD_DEPOT, TRANSPORT_RAIL);
00741     DeleteWindowById(WC_SELECT_STATION, 0);
00742     DeleteWindowByClass(WC_BUILD_BRIDGE);
00743   }
00744 
00745   virtual void OnPlacePresize(Point pt, TileIndex tile)
00746   {
00747     DoCommand(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, DC_AUTO, CMD_BUILD_TUNNEL);
00748     VpSetPresizeRange(tile, _build_tunnel_endtile == 0 ? tile : _build_tunnel_endtile);
00749   }
00750 
00751   virtual EventState OnCTRLStateChange()
00752   {
00753     /* do not toggle Remove button by Ctrl when placing station */
00754     if (!this->IsWidgetLowered(RTW_BUILD_STATION) && !this->IsWidgetLowered(RTW_BUILD_WAYPOINT) && RailToolbar_CtrlChanged(this)) return ES_HANDLED;
00755     return ES_NOT_HANDLED;
00756   }
00757 
00758   static Hotkey<BuildRailToolbarWindow> railtoolbar_hotkeys[];
00759 };
00760 
00761 const uint16 _railtoolbar_autorail_keys[] = {'5', 'A' | WKC_GLOBAL_HOTKEY, 0};
00762 
00763 Hotkey<BuildRailToolbarWindow> BuildRailToolbarWindow::railtoolbar_hotkeys[] = {
00764   Hotkey<BuildRailToolbarWindow>('1', "build_ns", RTW_BUILD_NS),
00765   Hotkey<BuildRailToolbarWindow>('2', "build_x", RTW_BUILD_X),
00766   Hotkey<BuildRailToolbarWindow>('3', "build_ew", RTW_BUILD_EW),
00767   Hotkey<BuildRailToolbarWindow>('4', "build_y", RTW_BUILD_Y),
00768   Hotkey<BuildRailToolbarWindow>(_railtoolbar_autorail_keys, "autorail", RTW_AUTORAIL),
00769   Hotkey<BuildRailToolbarWindow>('6', "demolish", RTW_DEMOLISH),
00770   Hotkey<BuildRailToolbarWindow>('7', "depot", RTW_BUILD_DEPOT),
00771   Hotkey<BuildRailToolbarWindow>('8', "waypoint", RTW_BUILD_WAYPOINT),
00772   Hotkey<BuildRailToolbarWindow>('9', "station", RTW_BUILD_STATION),
00773   Hotkey<BuildRailToolbarWindow>('S', "signal", RTW_BUILD_SIGNALS),
00774   Hotkey<BuildRailToolbarWindow>('B', "bridge", RTW_BUILD_BRIDGE),
00775   Hotkey<BuildRailToolbarWindow>('T', "tunnel", RTW_BUILD_TUNNEL),
00776   Hotkey<BuildRailToolbarWindow>('R', "remove", RTW_REMOVE),
00777   Hotkey<BuildRailToolbarWindow>('C', "convert", RTW_CONVERT_RAIL),
00778   HOTKEY_LIST_END(BuildRailToolbarWindow)
00779 };
00780 Hotkey<BuildRailToolbarWindow> *_railtoolbar_hotkeys = BuildRailToolbarWindow::railtoolbar_hotkeys;
00781 
00782 static const NWidgetPart _nested_build_rail_widgets[] = {
00783   NWidget(NWID_HORIZONTAL),
00784     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00785     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, RTW_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00786     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00787   EndContainer(),
00788   NWidget(NWID_HORIZONTAL),
00789     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_NS),
00790             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00791     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_X),
00792             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00793     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_EW),
00794             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_EW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00795     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_Y),
00796             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00797     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_AUTORAIL),
00798             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTORAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_AUTORAIL),
00799 
00800     NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetMinimalSize(4, 22), SetDataTip(0x0, STR_NULL), EndContainer(),
00801 
00802     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_DEMOLISH),
00803             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
00804     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_DEPOT),
00805             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DEPOT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_TRAIN_DEPOT_FOR_BUILDING),
00806     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_WAYPOINT),
00807             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_WAYPOINT, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL_TO_WAYPOINT),
00808     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_STATION),
00809             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_RAIL_STATION, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_STATION),
00810     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_SIGNALS),
00811             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_SIGNALS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_SIGNALS),
00812     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_BRIDGE),
00813             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_BRIDGE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_BRIDGE),
00814     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_TUNNEL),
00815             SetFill(0, 1), SetMinimalSize(20, 22), SetDataTip(SPR_IMG_TUNNEL_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TUNNEL),
00816     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_REMOVE),
00817             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_RAIL_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR),
00818     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_CONVERT_RAIL),
00819             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL),
00820   EndContainer(),
00821 };
00822 
00823 static const WindowDesc _build_rail_desc(
00824   WDP_ALIGN_TOOLBAR, 0, 0,
00825   WC_BUILD_TOOLBAR, WC_NONE,
00826   WDF_CONSTRUCTION,
00827   _nested_build_rail_widgets, lengthof(_nested_build_rail_widgets)
00828 );
00829 
00830 
00839 Window *ShowBuildRailToolbar(RailType railtype)
00840 {
00841   if (!Company::IsValidID(_local_company)) return NULL;
00842   if (!ValParamRailtype(railtype)) return NULL;
00843 
00844   DeleteWindowByClass(WC_BUILD_TOOLBAR);
00845   _cur_railtype = railtype;
00846   _remove_button_clicked = false;
00847   return new BuildRailToolbarWindow(&_build_rail_desc, TRANSPORT_RAIL, railtype);
00848 }
00849 
00850 EventState RailToolbarGlobalHotkeys(uint16 key, uint16 keycode)
00851 {
00852   extern RailType _last_built_railtype;
00853   int num = CheckHotkeyMatch<BuildRailToolbarWindow>(_railtoolbar_hotkeys, keycode, NULL, true);
00854   if (num == -1) return ES_NOT_HANDLED;
00855   Window *w = ShowBuildRailToolbar(_last_built_railtype);
00856   if (w == NULL) return ES_NOT_HANDLED;
00857   return w->OnKeyPress(key, keycode);
00858 }
00859 
00860 /* TODO: For custom stations, respect their allowed platforms/lengths bitmasks!
00861  * --pasky */
00862 
00863 static void HandleStationPlacement(TileIndex start, TileIndex end)
00864 {
00865   TileArea ta(start, end);
00866   uint numtracks = ta.w;
00867   uint platlength = ta.h;
00868 
00869   if (_railstation.orientation == AXIS_X) Swap(numtracks, platlength);
00870 
00871   uint32 p1 = _cur_railtype | _railstation.orientation << 4 | numtracks << 8 | platlength << 16 | _ctrl_pressed << 24;
00872   uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00873 
00874   CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00875   ShowSelectStationIfNeeded(cmdcont, ta);
00876 }
00877 
00879 enum BuildRailStationWidgets {
00880   BRSW_BACKGROUND,
00881 
00882   BRSW_PLATFORM_DIR_X,
00883   BRSW_PLATFORM_DIR_Y,
00884 
00885   BRSW_PLATFORM_NUM_1,
00886   BRSW_PLATFORM_NUM_2,
00887   BRSW_PLATFORM_NUM_3,
00888   BRSW_PLATFORM_NUM_4,
00889   BRSW_PLATFORM_NUM_5,
00890   BRSW_PLATFORM_NUM_6,
00891   BRSW_PLATFORM_NUM_7,
00892 
00893   BRSW_PLATFORM_LEN_1,
00894   BRSW_PLATFORM_LEN_2,
00895   BRSW_PLATFORM_LEN_3,
00896   BRSW_PLATFORM_LEN_4,
00897   BRSW_PLATFORM_LEN_5,
00898   BRSW_PLATFORM_LEN_6,
00899   BRSW_PLATFORM_LEN_7,
00900 
00901   BRSW_PLATFORM_DRAG_N_DROP,
00902 
00903   BRSW_HIGHLIGHT_OFF,
00904   BRSW_HIGHLIGHT_ON,
00905 
00906   BRSW_SHOW_NEWST_ADDITIONS,
00907   BRSW_NEWST_DROPDOWN,
00908   BRSW_NEWST_LIST,
00909   BRSW_NEWST_SCROLL,
00910 
00911   BRSW_PLATFORM_NUM_BEGIN = BRSW_PLATFORM_NUM_1 - 1,
00912   BRSW_PLATFORM_LEN_BEGIN = BRSW_PLATFORM_LEN_1 - 1,
00913 };
00914 
00915 struct BuildRailStationWindow : public PickerWindowBase {
00916 private:
00917   uint line_height; 
00918   Scrollbar *vscroll;
00919 
00925   void CheckSelectedSize(const StationSpec *statspec)
00926   {
00927     if (statspec == NULL || _settings_client.gui.station_dragdrop) return;
00928 
00929     /* If current number of tracks is not allowed, make it as big as possible (which is always less than currently selected) */
00930     if (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00931       this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00932       _settings_client.gui.station_numtracks = 1;
00933       while (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00934         _settings_client.gui.station_numtracks++;
00935       }
00936       this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00937     }
00938 
00939     if (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00940       this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00941       _settings_client.gui.station_platlength = 1;
00942       while (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00943         _settings_client.gui.station_platlength++;
00944       }
00945       this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00946     }
00947   }
00948 
00950   static DropDownList *BuildStationClassDropDown()
00951   {
00952     DropDownList *list = new DropDownList();
00953 
00954     for (uint i = 0; i < StationClass::GetCount(); i++) {
00955       if (i == STAT_CLASS_WAYP) continue;
00956       list->push_back(new DropDownListStringItem(StationClass::GetName((StationClassID)i), i, false));
00957     }
00958 
00959     return list;
00960   }
00961 
00962 public:
00963   BuildRailStationWindow(const WindowDesc *desc, Window *parent, bool newstation) : PickerWindowBase(parent)
00964   {
00965     this->CreateNestedTree(desc);
00966     this->vscroll = this->GetScrollbar(BRSW_NEWST_SCROLL);
00967     NWidgetStacked *newst_additions = this->GetWidget<NWidgetStacked>(BRSW_SHOW_NEWST_ADDITIONS);
00968     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00969     this->FinishInitNested(desc, TRANSPORT_RAIL);
00970 
00971     this->LowerWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
00972     if (_settings_client.gui.station_dragdrop) {
00973       this->LowerWidget(BRSW_PLATFORM_DRAG_N_DROP);
00974     } else {
00975       this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00976       this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00977     }
00978     this->SetWidgetLoweredState(BRSW_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
00979     this->SetWidgetLoweredState(BRSW_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
00980 
00981     _railstation.newstations = newstation;
00982 
00983     if (newstation) {
00984       _railstation.station_count = StationClass::GetCount(_railstation.station_class);
00985 
00986       this->vscroll->SetCount(_railstation.station_count);
00987       this->vscroll->SetCapacity(GB(this->GetWidget<NWidgetCore>(BRSW_NEWST_LIST)->widget_data, MAT_ROW_START, MAT_ROW_BITS));
00988       this->vscroll->SetPosition(Clamp(_railstation.station_type - 2, 0, max(this->vscroll->GetCount() - this->vscroll->GetCapacity(), 0)));
00989     } else {
00990       /* New stations are not available, so ensure the default station
00991        * type is 'selected'. */
00992       _railstation.station_class = STAT_CLASS_DFLT;
00993       _railstation.station_type = 0;
00994     }
00995   }
00996 
00997   virtual ~BuildRailStationWindow()
00998   {
00999     DeleteWindowById(WC_SELECT_STATION, 0);
01000   }
01001 
01002   virtual void OnPaint()
01003   {
01004     bool newstations = _railstation.newstations;
01005     const StationSpec *statspec = newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01006 
01007     if (_settings_client.gui.station_dragdrop) {
01008       SetTileSelectSize(1, 1);
01009     } else {
01010       int x = _settings_client.gui.station_numtracks;
01011       int y = _settings_client.gui.station_platlength;
01012       if (_railstation.orientation == AXIS_X) Swap(x, y);
01013       if (!_remove_button_clicked) {
01014         SetTileSelectSize(x, y);
01015       }
01016     }
01017 
01018     int rad = (_settings_game.station.modified_catchment) ? CA_TRAIN : CA_UNMODIFIED;
01019 
01020     if (_settings_client.gui.station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
01021 
01022     for (uint bits = 0; bits < 7; bits++) {
01023       bool disable = bits >= _settings_game.station.station_spread;
01024       if (statspec == NULL) {
01025         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_NUM_1, disable);
01026         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_LEN_1, disable);
01027       } else {
01028         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_NUM_1, HasBit(statspec->disallowed_platforms, bits) || disable);
01029         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_LEN_1, HasBit(statspec->disallowed_lengths,   bits) || disable);
01030       }
01031     }
01032 
01033     this->DrawWidgets();
01034 
01035     /* 'Accepts' and 'Supplies' texts. */
01036     int top = this->GetWidget<NWidgetBase>(BRSW_HIGHLIGHT_ON)->pos_y + this->GetWidget<NWidgetBase>(BRSW_HIGHLIGHT_ON)->current_y + WD_PAR_VSEP_NORMAL;
01037     NWidgetBase *back_nwi = this->GetWidget<NWidgetBase>(BRSW_BACKGROUND);
01038     int right = back_nwi->pos_x +  back_nwi->current_x;
01039     int bottom = back_nwi->pos_y +  back_nwi->current_y;
01040     top = DrawStationCoverageAreaText(back_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, SCT_ALL, rad, false) + WD_PAR_VSEP_NORMAL;
01041     top = DrawStationCoverageAreaText(back_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, SCT_ALL, rad, true) + WD_PAR_VSEP_NORMAL;
01042     /* Resize background if the text is not equally long as the window. */
01043     if (top > bottom || (top < bottom && back_nwi->current_y > back_nwi->smallest_y)) {
01044       ResizeWindow(this, 0, top - bottom);
01045     }
01046   }
01047 
01048   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01049   {
01050     switch (widget) {
01051       case BRSW_NEWST_DROPDOWN: {
01052         Dimension d = {0, 0};
01053         for (uint i = 0; i < StationClass::GetCount(); i++) {
01054           if (i == STAT_CLASS_WAYP) continue;
01055           SetDParam(0, StationClass::GetName((StationClassID)i));
01056           d = maxdim(d, GetStringBoundingBox(STR_BLACK_STRING));
01057         }
01058         d.width += padding.width;
01059         d.height += padding.height;
01060         *size = maxdim(*size, d);
01061         break;
01062       }
01063       case BRSW_NEWST_LIST: {
01064         Dimension d = GetStringBoundingBox(STR_STATION_CLASS_DFLT);
01065         for (StationClassID statclass = STAT_CLASS_BEGIN; statclass < (StationClassID)StationClass::GetCount(); statclass++) {
01066           if (statclass == STAT_CLASS_WAYP) continue;
01067           for (uint16 j = 0; j < StationClass::GetCount(statclass); j++) {
01068             const StationSpec *statspec = StationClass::Get(statclass, j);
01069             if (statspec != NULL && statspec->name != 0) d = maxdim(d, GetStringBoundingBox(statspec->name));
01070           }
01071         }
01072         size->width = max(size->width, d.width + padding.width);
01073 
01074         this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
01075         size->height = GB(this->GetWidget<NWidgetCore>(widget)->widget_data, MAT_ROW_START, MAT_ROW_BITS) * this->line_height;
01076         break;
01077       }
01078     }
01079   }
01080 
01081   virtual void DrawWidget(const Rect &r, int widget) const
01082   {
01083     DrawPixelInfo tmp_dpi;
01084 
01085     switch (widget) {
01086       case BRSW_PLATFORM_DIR_X:
01087         /* Set up a clipping area for the '/' station preview */
01088         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01089           DrawPixelInfo *old_dpi = _cur_dpi;
01090           _cur_dpi = &tmp_dpi;
01091           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_X, _railstation.station_class, _railstation.station_type)) {
01092             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2);
01093           }
01094           _cur_dpi = old_dpi;
01095         }
01096         break;
01097 
01098       case BRSW_PLATFORM_DIR_Y:
01099         /* Set up a clipping area for the '\' station preview */
01100         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01101           DrawPixelInfo *old_dpi = _cur_dpi;
01102           _cur_dpi = &tmp_dpi;
01103           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_Y, _railstation.station_class, _railstation.station_type)) {
01104             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 3);
01105           }
01106           _cur_dpi = old_dpi;
01107         }
01108         break;
01109 
01110       case BRSW_NEWST_LIST: {
01111         uint y = r.top;
01112         for (uint16 i = this->vscroll->GetPosition(); i < _railstation.station_count && this->vscroll->IsVisible(i); i++) {
01113           const StationSpec *statspec = StationClass::Get(_railstation.station_class, i);
01114 
01115           StringID str = STR_STATION_CLASS_DFLT;
01116           if (statspec != NULL && statspec->name != 0) {
01117             if (HasBit(statspec->callback_mask, CBM_STATION_AVAIL) && GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) {
01118               GfxFillRect(r.left + 1, y + 1, r.right - 1, y + this->line_height - 2, 0, FILLRECT_CHECKER);
01119             }
01120             str = statspec->name;
01121           }
01122           DrawString(r.left + WD_MATRIX_LEFT, r.right - WD_MATRIX_RIGHT, y + WD_MATRIX_TOP, str, i == _railstation.station_type ? TC_WHITE : TC_BLACK);
01123 
01124           y += this->line_height;
01125         }
01126         break;
01127       }
01128     }
01129   }
01130 
01131   virtual void SetStringParameters(int widget) const
01132   {
01133     if (widget == BRSW_NEWST_DROPDOWN) SetDParam(0, StationClass::GetName(_railstation.station_class));
01134   }
01135 
01136   virtual void OnClick(Point pt, int widget, int click_count)
01137   {
01138     switch (widget) {
01139       case BRSW_PLATFORM_DIR_X:
01140       case BRSW_PLATFORM_DIR_Y:
01141         this->RaiseWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
01142         _railstation.orientation = (Axis)(widget - BRSW_PLATFORM_DIR_X);
01143         this->LowerWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
01144         SndPlayFx(SND_15_BEEP);
01145         this->SetDirty();
01146         DeleteWindowById(WC_SELECT_STATION, 0);
01147         break;
01148 
01149       case BRSW_PLATFORM_NUM_1:
01150       case BRSW_PLATFORM_NUM_2:
01151       case BRSW_PLATFORM_NUM_3:
01152       case BRSW_PLATFORM_NUM_4:
01153       case BRSW_PLATFORM_NUM_5:
01154       case BRSW_PLATFORM_NUM_6:
01155       case BRSW_PLATFORM_NUM_7: {
01156         this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01157         this->RaiseWidget(BRSW_PLATFORM_DRAG_N_DROP);
01158 
01159         _settings_client.gui.station_numtracks = widget - BRSW_PLATFORM_NUM_BEGIN;
01160         _settings_client.gui.station_dragdrop = false;
01161 
01162         _settings_client.gui.station_dragdrop = false;
01163 
01164         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01165         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01166           /* The previously selected number of platforms in invalid */
01167           for (uint i = 0; i < 7; i++) {
01168             if (!HasBit(statspec->disallowed_lengths, i)) {
01169               this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01170               _settings_client.gui.station_platlength = i + 1;
01171               break;
01172             }
01173           }
01174         }
01175 
01176         this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01177         this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01178         SndPlayFx(SND_15_BEEP);
01179         this->SetDirty();
01180         DeleteWindowById(WC_SELECT_STATION, 0);
01181         break;
01182       }
01183 
01184       case BRSW_PLATFORM_LEN_1:
01185       case BRSW_PLATFORM_LEN_2:
01186       case BRSW_PLATFORM_LEN_3:
01187       case BRSW_PLATFORM_LEN_4:
01188       case BRSW_PLATFORM_LEN_5:
01189       case BRSW_PLATFORM_LEN_6:
01190       case BRSW_PLATFORM_LEN_7: {
01191         this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01192         this->RaiseWidget(BRSW_PLATFORM_DRAG_N_DROP);
01193 
01194         _settings_client.gui.station_platlength = widget - BRSW_PLATFORM_LEN_BEGIN;
01195         _settings_client.gui.station_dragdrop = false;
01196 
01197         _settings_client.gui.station_dragdrop = false;
01198 
01199         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01200         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01201           /* The previously selected number of tracks in invalid */
01202           for (uint i = 0; i < 7; i++) {
01203             if (!HasBit(statspec->disallowed_platforms, i)) {
01204               this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01205               _settings_client.gui.station_numtracks = i + 1;
01206               break;
01207             }
01208           }
01209         }
01210 
01211         this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01212         this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01213         SndPlayFx(SND_15_BEEP);
01214         this->SetDirty();
01215         DeleteWindowById(WC_SELECT_STATION, 0);
01216         break;
01217       }
01218 
01219       case BRSW_PLATFORM_DRAG_N_DROP: {
01220         _settings_client.gui.station_dragdrop ^= true;
01221 
01222         this->ToggleWidgetLoweredState(BRSW_PLATFORM_DRAG_N_DROP);
01223 
01224         /* get the first allowed length/number of platforms */
01225         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01226         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01227           for (uint i = 0; i < 7; i++) {
01228             if (!HasBit(statspec->disallowed_lengths, i)) {
01229               this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01230               _settings_client.gui.station_platlength = i + 1;
01231               break;
01232             }
01233           }
01234         }
01235         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01236           for (uint i = 0; i < 7; i++) {
01237             if (!HasBit(statspec->disallowed_platforms, i)) {
01238               this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01239               _settings_client.gui.station_numtracks = i + 1;
01240               break;
01241             }
01242           }
01243         }
01244 
01245         this->SetWidgetLoweredState(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN, !_settings_client.gui.station_dragdrop);
01246         this->SetWidgetLoweredState(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN, !_settings_client.gui.station_dragdrop);
01247         SndPlayFx(SND_15_BEEP);
01248         this->SetDirty();
01249         DeleteWindowById(WC_SELECT_STATION, 0);
01250         break;
01251       }
01252 
01253       case BRSW_HIGHLIGHT_OFF:
01254       case BRSW_HIGHLIGHT_ON:
01255         _settings_client.gui.station_show_coverage = (widget != BRSW_HIGHLIGHT_OFF);
01256 
01257         this->SetWidgetLoweredState(BRSW_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
01258         this->SetWidgetLoweredState(BRSW_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
01259         SndPlayFx(SND_15_BEEP);
01260         this->SetDirty();
01261         break;
01262 
01263       case BRSW_NEWST_DROPDOWN:
01264         ShowDropDownList(this, BuildStationClassDropDown(), _railstation.station_class, BRSW_NEWST_DROPDOWN);
01265         break;
01266 
01267       case BRSW_NEWST_LIST: {
01268         int y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, BRSW_NEWST_LIST, 0, this->line_height);
01269         if (y >= _railstation.station_count) return;
01270 
01271         /* Check station availability callback */
01272         const StationSpec *statspec = StationClass::Get(_railstation.station_class, y);
01273         if (statspec != NULL && HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01274             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) return;
01275 
01276         _railstation.station_type = y;
01277 
01278         this->CheckSelectedSize(statspec);
01279 
01280         SndPlayFx(SND_15_BEEP);
01281         this->SetDirty();
01282         DeleteWindowById(WC_SELECT_STATION, 0);
01283         break;
01284       }
01285     }
01286   }
01287 
01288   virtual void OnDropdownSelect(int widget, int index)
01289   {
01290     if (_railstation.station_class != index) {
01291       _railstation.station_class = (StationClassID)index;
01292       _railstation.station_type  = 0;
01293       _railstation.station_count = StationClass::GetCount(_railstation.station_class);
01294 
01295       this->CheckSelectedSize(StationClass::Get(_railstation.station_class, _railstation.station_type));
01296 
01297       this->vscroll->SetCount(_railstation.station_count);
01298       this->vscroll->SetPosition(_railstation.station_type);
01299     }
01300 
01301     SndPlayFx(SND_15_BEEP);
01302     this->SetDirty();
01303     DeleteWindowById(WC_SELECT_STATION, 0);
01304   }
01305 
01306   virtual void OnTick()
01307   {
01308     CheckRedrawStationCoverage(this);
01309   }
01310 };
01311 
01312 static const NWidgetPart _nested_station_builder_widgets[] = {
01313   NWidget(NWID_HORIZONTAL),
01314     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01315     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_RAIL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01316   EndContainer(),
01317   NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRSW_BACKGROUND),
01318     /* begin newstations gui additions. */
01319     NWidget(NWID_SELECTION, INVALID_COLOUR, BRSW_SHOW_NEWST_ADDITIONS),
01320       NWidget(NWID_VERTICAL),
01321         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),
01322         NWidget(NWID_HORIZONTAL), SetPIP(7, 0, 7),
01323           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),
01324           NWidget(NWID_VSCROLLBAR, COLOUR_GREY, BRSW_NEWST_SCROLL),
01325         EndContainer(),
01326         NWidget(NWID_SPACER), SetMinimalSize(0, 1),
01327       EndContainer(),
01328     EndContainer(),
01329     /* end newstations gui additions. */
01330     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_ORIENTATION, STR_NULL), SetPadding(1, 2, 0, 2),
01331     NWidget(NWID_HORIZONTAL),
01332       NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01333       NWidget(WWT_PANEL, COLOUR_GREY, BRSW_PLATFORM_DIR_X), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01334       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01335       NWidget(WWT_PANEL, COLOUR_GREY, BRSW_PLATFORM_DIR_Y), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01336       NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01337     EndContainer(),
01338     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_NUMBER_OF_TRACKS, STR_NULL), SetPadding(2, 2, 0, 2),
01339     NWidget(NWID_HORIZONTAL),
01340       NWidget(NWID_SPACER), SetFill(1, 0),
01341       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01342       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01343       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01344       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01345       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01346       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01347       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01348       NWidget(NWID_SPACER), SetFill(1, 0),
01349     EndContainer(),
01350     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_PLATFORM_LENGTH, STR_NULL), SetPadding(2, 2, 0, 2),
01351     NWidget(NWID_HORIZONTAL),
01352       NWidget(NWID_SPACER), SetFill(1, 0),
01353       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01354       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01355       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01356       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01357       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01358       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01359       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01360       NWidget(NWID_SPACER), SetFill(1, 0),
01361     EndContainer(),
01362     NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01363     NWidget(NWID_HORIZONTAL),
01364       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01365       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),
01366       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01367     EndContainer(),
01368     NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetPadding(3, 2, 0, 2),
01369     NWidget(NWID_HORIZONTAL),
01370       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01371       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_HIGHLIGHT_OFF), SetMinimalSize(60, 12),
01372                     SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
01373       NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_HIGHLIGHT_ON), SetMinimalSize(60, 12),
01374                     SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
01375       NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01376     EndContainer(),
01377     NWidget(NWID_SPACER), SetMinimalSize(0, 20), SetResize(0, 1),
01378   EndContainer(),
01379 };
01380 
01382 static const WindowDesc _station_builder_desc(
01383   WDP_AUTO, 0, 0,
01384   WC_BUILD_STATION, WC_BUILD_TOOLBAR,
01385   WDF_CONSTRUCTION,
01386   _nested_station_builder_widgets, lengthof(_nested_station_builder_widgets)
01387 );
01388 
01390 static void ShowStationBuilder(Window *parent)
01391 {
01392   bool newstations = StationClass::GetCount() > 2 || StationClass::GetCount(STAT_CLASS_DFLT) != 1;
01393   new BuildRailStationWindow(&_station_builder_desc, parent, newstations);
01394 }
01395 
01397 enum BuildSignalWidgets {
01398   BSW_SEMAPHORE_NORM,
01399   BSW_SEMAPHORE_ENTRY,
01400   BSW_SEMAPHORE_EXIT,
01401   BSW_SEMAPHORE_COMBO,
01402   BSW_SEMAPHORE_PBS,
01403   BSW_SEMAPHORE_PBS_OWAY,
01404   BSW_ELECTRIC_NORM,
01405   BSW_ELECTRIC_ENTRY,
01406   BSW_ELECTRIC_EXIT,
01407   BSW_ELECTRIC_COMBO,
01408   BSW_ELECTRIC_PBS,
01409   BSW_ELECTRIC_PBS_OWAY,
01410   BSW_CONVERT,
01411   BSW_DRAG_SIGNALS_DENSITY,
01412   BSW_DRAG_SIGNALS_DENSITY_LABEL,
01413   BSW_DRAG_SIGNALS_DENSITY_DECREASE,
01414   BSW_DRAG_SIGNALS_DENSITY_INCREASE,
01415 };
01416 
01417 struct BuildSignalWindow : public PickerWindowBase {
01418 private:
01426   void DrawSignalSprite(byte widget_index, SpriteID image) const
01427   {
01428     /* First get the right image, which is one later for 'green' signals. */
01429     image += this->IsWidgetLowered(widget_index);
01430 
01431     /* Next get the actual sprite so we can calculate the right offsets. */
01432     const Sprite *sprite = GetSprite(image, ST_NORMAL);
01433 
01434     /* For the x offset we want the sprite to be centered, so undo the offset
01435      * for sprite drawing and add half of the sprite's width. For the y offset
01436      * we want the sprite to be aligned on the bottom, so again we undo the
01437      * offset for sprite drawing and assume it is the bottom of the sprite. */
01438     int sprite_center_x_offset = sprite->x_offs + sprite->width / 2;
01439     int sprite_bottom_y_offset = sprite->height + sprite->y_offs;
01440 
01441     /* Next we want to know where on the window to draw. Calculate the center
01442      * and the bottom of the area to draw. */
01443     const NWidgetBase *widget = this->GetWidget<NWidgetBase>(widget_index);
01444     int widget_center_x = widget->pos_x + widget->current_x / 2;
01445     int widget_bottom_y = widget->pos_y + widget->current_y - 2;
01446 
01447     /* Finally we draw the signal. */
01448     DrawSprite(image, PAL_NONE,
01449         widget_center_x - sprite_center_x_offset + this->IsWidgetLowered(widget_index),
01450         widget_bottom_y - sprite_bottom_y_offset + this->IsWidgetLowered(widget_index));
01451   }
01452 
01453 public:
01454   BuildSignalWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01455   {
01456     this->InitNested(desc, TRANSPORT_RAIL);
01457     this->OnInvalidateData();
01458   };
01459 
01460   virtual void SetStringParameters(int widget) const
01461   {
01462     switch (widget) {
01463       case BSW_DRAG_SIGNALS_DENSITY_LABEL:
01464         SetDParam(0, _settings_client.gui.drag_signals_density);
01465         break;
01466     }
01467   }
01468 
01469   virtual void DrawWidget(const Rect &r, int widget) const
01470   {
01471     if (IsInsideMM(widget, BSW_SEMAPHORE_NORM, BSW_ELECTRIC_PBS_OWAY + 1)) {
01472       /* We need to do some custom sprite widget drawing for the signals. */
01473       const SpriteID _signal_lookup[] = {
01474         SPR_IMG_SIGNAL_SEMAPHORE_NORM,  SPR_IMG_SIGNAL_SEMAPHORE_ENTRY, SPR_IMG_SIGNAL_SEMAPHORE_EXIT,
01475         SPR_IMG_SIGNAL_SEMAPHORE_COMBO, SPR_IMG_SIGNAL_SEMAPHORE_PBS,   SPR_IMG_SIGNAL_SEMAPHORE_PBS_OWAY,
01476 
01477         SPR_IMG_SIGNAL_ELECTRIC_NORM,  SPR_IMG_SIGNAL_ELECTRIC_ENTRY, SPR_IMG_SIGNAL_ELECTRIC_EXIT,
01478         SPR_IMG_SIGNAL_ELECTRIC_COMBO, SPR_IMG_SIGNAL_ELECTRIC_PBS,   SPR_IMG_SIGNAL_ELECTRIC_PBS_OWAY
01479       };
01480 
01481       this->DrawSignalSprite(widget, _signal_lookup[widget - BSW_SEMAPHORE_NORM]);
01482     }
01483   }
01484 
01485   virtual void OnClick(Point pt, int widget, int click_count)
01486   {
01487     switch (widget) {
01488       case BSW_SEMAPHORE_NORM:
01489       case BSW_SEMAPHORE_ENTRY:
01490       case BSW_SEMAPHORE_EXIT:
01491       case BSW_SEMAPHORE_COMBO:
01492       case BSW_SEMAPHORE_PBS:
01493       case BSW_SEMAPHORE_PBS_OWAY:
01494       case BSW_ELECTRIC_NORM:
01495       case BSW_ELECTRIC_ENTRY:
01496       case BSW_ELECTRIC_EXIT:
01497       case BSW_ELECTRIC_COMBO:
01498       case BSW_ELECTRIC_PBS:
01499       case BSW_ELECTRIC_PBS_OWAY:
01500         this->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01501 
01502         _cur_signal_type = (SignalType)((uint)((widget - BSW_SEMAPHORE_NORM) % (SIGTYPE_LAST + 1)));
01503         _cur_signal_variant = widget >= BSW_ELECTRIC_NORM ? SIG_ELECTRIC : SIG_SEMAPHORE;
01504         break;
01505 
01506       case BSW_CONVERT:
01507         _convert_signal_button = !_convert_signal_button;
01508         break;
01509 
01510       case BSW_DRAG_SIGNALS_DENSITY_DECREASE:
01511         if (_settings_client.gui.drag_signals_density > 1) {
01512           _settings_client.gui.drag_signals_density--;
01513           SetWindowDirty(WC_GAME_OPTIONS, 0);
01514         }
01515         break;
01516 
01517       case BSW_DRAG_SIGNALS_DENSITY_INCREASE:
01518         if (_settings_client.gui.drag_signals_density < 20) {
01519           _settings_client.gui.drag_signals_density++;
01520           SetWindowDirty(WC_GAME_OPTIONS, 0);
01521         }
01522         break;
01523 
01524       default: break;
01525     }
01526 
01527     this->InvalidateData();
01528   }
01529 
01530   virtual void OnInvalidateData(int data = 0)
01531   {
01532     this->LowerWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01533 
01534     this->SetWidgetLoweredState(BSW_CONVERT, _convert_signal_button);
01535 
01536     this->SetWidgetDisabledState(BSW_DRAG_SIGNALS_DENSITY_DECREASE, _settings_client.gui.drag_signals_density == 1);
01537     this->SetWidgetDisabledState(BSW_DRAG_SIGNALS_DENSITY_INCREASE, _settings_client.gui.drag_signals_density == 20);
01538   }
01539 };
01540 
01542 static const NWidgetPart _nested_signal_builder_widgets[] = {
01543   NWidget(NWID_HORIZONTAL),
01544     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01545     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_SIGNAL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01546   EndContainer(),
01547   NWidget(NWID_VERTICAL, NC_EQUALSIZE),
01548     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01549       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01550       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01551       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01552       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01553       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01554       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_PBS_OWAY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_OWAY_TOOLTIP), EndContainer(), SetFill(1, 1),
01555       NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, BSW_CONVERT), SetDataTip(SPR_IMG_SIGNAL_CONVERT, STR_BUILD_SIGNAL_CONVERT_TOOLTIP), SetFill(1, 1),
01556     EndContainer(),
01557     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01558       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01559       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01560       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01561       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01562       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01563       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_PBS_OWAY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_OWAY_TOOLTIP), EndContainer(), SetFill(1, 1),
01564       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_DRAG_SIGNALS_DENSITY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01565         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),
01566         NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
01567           NWidget(NWID_SPACER), SetFill(1, 0),
01568           NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, BSW_DRAG_SIGNALS_DENSITY_DECREASE), SetMinimalSize(9, 12), SetDataTip(AWV_DECREASE, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_DECREASE_TOOLTIP),
01569           NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, BSW_DRAG_SIGNALS_DENSITY_INCREASE), SetMinimalSize(9, 12), SetDataTip(AWV_INCREASE, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_INCREASE_TOOLTIP),
01570           NWidget(NWID_SPACER), SetFill(1, 0),
01571         EndContainer(),
01572         NWidget(NWID_SPACER), SetMinimalSize(0, 2), SetFill(1, 0),
01573       EndContainer(),
01574     EndContainer(),
01575   EndContainer(),
01576 };
01577 
01579 static const WindowDesc _signal_builder_desc(
01580   WDP_AUTO, 0, 0,
01581   WC_BUILD_SIGNAL, WC_BUILD_TOOLBAR,
01582   WDF_UNCLICK_BUTTONS | WDF_CONSTRUCTION,
01583   _nested_signal_builder_widgets, lengthof(_nested_signal_builder_widgets)
01584 );
01585 
01589 static void ShowSignalBuilder(Window *parent)
01590 {
01591   new BuildSignalWindow(&_signal_builder_desc, parent);
01592 }
01593 
01595 enum BuildRailDepotWidgets {
01596   BRDW_DEPOT_NE,
01597   BRDW_DEPOT_SE,
01598   BRDW_DEPOT_SW,
01599   BRDW_DEPOT_NW,
01600 };
01601 
01602 struct BuildRailDepotWindow : public PickerWindowBase {
01603   BuildRailDepotWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01604   {
01605     this->InitNested(desc, TRANSPORT_RAIL);
01606     this->LowerWidget(_build_depot_direction + BRDW_DEPOT_NE);
01607   }
01608 
01609   virtual void DrawWidget(const Rect &r, int widget) const
01610   {
01611     if (!IsInsideMM(widget, BRDW_DEPOT_NE, BRDW_DEPOT_NW + 1)) return;
01612 
01613     DrawTrainDepotSprite(r.left - 1, r.top, widget - BRDW_DEPOT_NE + DIAGDIR_NE, _cur_railtype);
01614   }
01615 
01616   virtual void OnClick(Point pt, int widget, int click_count)
01617   {
01618     switch (widget) {
01619       case BRDW_DEPOT_NE:
01620       case BRDW_DEPOT_SE:
01621       case BRDW_DEPOT_SW:
01622       case BRDW_DEPOT_NW:
01623         this->RaiseWidget(_build_depot_direction + BRDW_DEPOT_NE);
01624         _build_depot_direction = (DiagDirection)(widget - BRDW_DEPOT_NE);
01625         this->LowerWidget(_build_depot_direction + BRDW_DEPOT_NE);
01626         SndPlayFx(SND_15_BEEP);
01627         this->SetDirty();
01628         break;
01629     }
01630   }
01631 };
01632 
01634 static const NWidgetPart _nested_build_depot_widgets[] = {
01635   NWidget(NWID_HORIZONTAL),
01636     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01637     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_DEPOT_TRAIN_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01638   EndContainer(),
01639   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01640     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01641     NWidget(NWID_HORIZONTAL_LTR),
01642       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01643       NWidget(NWID_VERTICAL),
01644         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01645         EndContainer(),
01646         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01647         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01648         EndContainer(),
01649       EndContainer(),
01650       NWidget(NWID_SPACER), SetMinimalSize(2, 0),
01651       NWidget(NWID_VERTICAL),
01652         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01653         EndContainer(),
01654         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01655         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01656         EndContainer(),
01657       EndContainer(),
01658       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01659     EndContainer(),
01660     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01661   EndContainer(),
01662 };
01663 
01664 static const WindowDesc _build_depot_desc(
01665   WDP_AUTO, 0, 0,
01666   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01667   WDF_CONSTRUCTION,
01668   _nested_build_depot_widgets, lengthof(_nested_build_depot_widgets)
01669 );
01670 
01671 static void ShowBuildTrainDepotPicker(Window *parent)
01672 {
01673   new BuildRailDepotWindow(&_build_depot_desc, parent);
01674 }
01675 
01677 enum BuildRailWaypointWidgets {
01678   BRWW_WAYPOINT_MATRIX,
01679   BRWW_WAYPOINT,
01680   BRWW_SCROLL,
01681 };
01682 
01683 struct BuildRailWaypointWindow : PickerWindowBase {
01684   BuildRailWaypointWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01685   {
01686     this->CreateNestedTree(desc);
01687 
01688     NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX);
01689     matrix->SetScrollbar(this->GetScrollbar(BRWW_SCROLL));
01690 
01691     this->FinishInitNested(desc, TRANSPORT_RAIL);
01692 
01693     matrix->SetCount(_waypoint_count);
01694     matrix->SetClicked(_cur_waypoint_type);
01695   };
01696 
01697   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01698   {
01699     switch (widget) {
01700       case BRWW_WAYPOINT_MATRIX:
01701         /* Three blobs high and wide. */
01702         size->width  += resize->width  * 2;
01703         size->height += resize->height * 2;
01704 
01705         /* Resizing in X direction only at blob size, but at pixel level in Y. */
01706         resize->height = 1;
01707         break;
01708     }
01709   }
01710 
01711   virtual void DrawWidget(const Rect &r, int widget) const
01712   {
01713     switch (GB(widget, 0, 16)) {
01714       case BRWW_WAYPOINT: {
01715         byte type = GB(widget, 16, 16);
01716         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, type);
01717         DrawWaypointSprite(r.left + TILE_PIXELS, r.bottom - TILE_PIXELS, type, _cur_railtype);
01718 
01719         if (statspec != NULL &&
01720             HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01721             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) {
01722           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, 0, FILLRECT_CHECKER);
01723         }
01724       }
01725     }
01726   }
01727 
01728   virtual void OnClick(Point pt, int widget, int click_count)
01729   {
01730     switch (GB(widget, 0, 16)) {
01731       case BRWW_WAYPOINT: {
01732         byte type = GB(widget, 16, 16);
01733         this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01734 
01735         /* Check station availability callback */
01736         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, type);
01737         if (statspec != NULL &&
01738             HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01739             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) return;
01740 
01741         _cur_waypoint_type = type;
01742         this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01743         SndPlayFx(SND_15_BEEP);
01744         this->SetDirty();
01745         break;
01746       }
01747     }
01748   }
01749 };
01750 
01752 static const NWidgetPart _nested_build_waypoint_widgets[] = {
01753   NWidget(NWID_HORIZONTAL),
01754     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01755     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_WAYPOINT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01756   EndContainer(),
01757   NWidget(NWID_HORIZONTAL),
01758     NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, BRWW_WAYPOINT_MATRIX), SetPIP(3, 2, 3), SetScrollbar(BRWW_SCROLL),
01759       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRWW_WAYPOINT), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), EndContainer(),
01760     EndContainer(),
01761     NWidget(NWID_VERTICAL),
01762       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, BRWW_SCROLL),
01763       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01764     EndContainer(),
01765   EndContainer(),
01766 };
01767 
01768 static const WindowDesc _build_waypoint_desc(
01769   WDP_AUTO, 0, 0,
01770   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01771   WDF_CONSTRUCTION,
01772   _nested_build_waypoint_widgets, lengthof(_nested_build_waypoint_widgets)
01773 );
01774 
01775 static void ShowBuildWaypointPicker(Window *parent)
01776 {
01777   new BuildRailWaypointWindow(&_build_waypoint_desc, parent);
01778 }
01779 
01783 void InitializeRailGui()
01784 {
01785   _build_depot_direction = DIAGDIR_NW;
01786 }
01787 
01792 void ReinitGuiAfterToggleElrail(bool disable)
01793 {
01794   extern RailType _last_built_railtype;
01795   if (disable && _last_built_railtype == RAILTYPE_ELECTRIC) {
01796     _last_built_railtype = _cur_railtype = RAILTYPE_RAIL;
01797     BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01798     if (w != NULL) w->ModifyRailType(_cur_railtype);
01799   }
01800   MarkWholeScreenDirty();
01801 }
01802 
01804 static void SetDefaultRailGui()
01805 {
01806   if (_local_company == COMPANY_SPECTATOR || !Company::IsValidID(_local_company)) return;
01807 
01808   extern RailType _last_built_railtype;
01809   RailType rt = (RailType)(_settings_client.gui.default_rail_type + RAILTYPE_END);
01810   if (rt == DEF_RAILTYPE_MOST_USED) {
01811     /* Find the most used rail type */
01812     RailType count[RAILTYPE_END];
01813     memset(count, 0, sizeof(count));
01814     for (TileIndex t = 0; t < MapSize(); t++) {
01815       if (IsTileType(t, MP_RAILWAY) || IsLevelCrossingTile(t) || HasStationTileRail(t) ||
01816           (IsTileType(t, MP_TUNNELBRIDGE) && GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL)) {
01817         count[GetRailType(t)]++;
01818       }
01819     }
01820 
01821     rt = RAILTYPE_RAIL;
01822     for (RailType r = RAILTYPE_ELECTRIC; r < RAILTYPE_END; r++) {
01823       if (count[r] >= count[rt]) rt = r;
01824     }
01825 
01826     /* No rail, just get the first available one */
01827     if (count[rt] == 0) rt = DEF_RAILTYPE_FIRST;
01828   }
01829   switch (rt) {
01830     case DEF_RAILTYPE_FIRST:
01831       rt = RAILTYPE_RAIL;
01832       while (rt < RAILTYPE_END && !HasRailtypeAvail(_local_company, rt)) rt++;
01833       break;
01834 
01835     case DEF_RAILTYPE_LAST:
01836       rt = GetBestRailtype(_local_company);
01837       break;
01838 
01839     default:
01840       break;
01841   }
01842 
01843   _last_built_railtype = _cur_railtype = rt;
01844   BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01845   if (w != NULL) w->ModifyRailType(_cur_railtype);
01846 }
01847 
01854 bool ResetSignalVariant(int32 p = 0)
01855 {
01856   SignalVariant new_variant = (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC);
01857 
01858   if (new_variant != _cur_signal_variant) {
01859     Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
01860     if (w != NULL) {
01861       w->SetDirty();
01862       w->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01863     }
01864     _cur_signal_variant = new_variant;
01865   }
01866 
01867   return true;
01868 }
01869 
01874 void InitializeRailGUI()
01875 {
01876   SetDefaultRailGui();
01877 
01878   _convert_signal_button = false;
01879   _cur_signal_type = _default_signal_type[_settings_client.gui.default_signal_type];
01880   ResetSignalVariant();
01881 }

Generated on Sun Jan 9 16:01:59 2011 for OpenTTD by  doxygen 1.6.1