rail_gui.cpp

Go to the documentation of this file.
00001 /* $Id: rail_gui.cpp 21867 2011-01-20 12:40:04Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "gui.h"
00014 #include "window_gui.h"
00015 #include "station_gui.h"
00016 #include "terraform_gui.h"
00017 #include "viewport_func.h"
00018 #include "command_func.h"
00019 #include "waypoint_func.h"
00020 #include "newgrf_station.h"
00021 #include "company_base.h"
00022 #include "strings_func.h"
00023 #include "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 #include "engine_base.h"
00035 
00036 #include "station_map.h"
00037 #include "tunnelbridge_map.h"
00038 
00039 #include "table/strings.h"
00040 
00041 static RailType _cur_railtype;               
00042 static bool _remove_button_clicked;          
00043 static DiagDirection _build_depot_direction; 
00044 static byte _waypoint_count = 1;             
00045 static byte _cur_waypoint_type;              
00046 static bool _convert_signal_button;          
00047 static SignalVariant _cur_signal_variant;    
00048 static SignalType _cur_signal_type;          
00049 
00050 /* Map the setting: default_signal_type to the corresponding signal type */
00051 static const SignalType _default_signal_type[] = {SIGTYPE_NORMAL, SIGTYPE_PBS, SIGTYPE_PBS_ONEWAY};
00052 
00053 struct RailStationGUISettings {
00054   Axis orientation;                 
00055 
00056   bool newstations;                 
00057   StationClassID station_class;     
00058   byte station_type;                
00059   byte station_count;               
00060 };
00061 static RailStationGUISettings _railstation; 
00062 
00063 
00064 static void HandleStationPlacement(TileIndex start, TileIndex end);
00065 static void ShowBuildTrainDepotPicker(Window *parent);
00066 static void ShowBuildWaypointPicker(Window *parent);
00067 static void ShowStationBuilder(Window *parent);
00068 static void ShowSignalBuilder(Window *parent);
00069 
00070 void CcPlaySound1E(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00071 {
00072   if (result.Succeeded()) SndPlayTileFx(SND_20_SPLAT_2, tile);
00073 }
00074 
00075 static void GenericPlaceRail(TileIndex tile, int cmd)
00076 {
00077   DoCommandP(tile, _cur_railtype, cmd,
00078       _remove_button_clicked ?
00079       CMD_REMOVE_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00080       CMD_BUILD_SINGLE_RAIL | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK),
00081       CcPlaySound1E);
00082 }
00083 
00091 static void PlaceExtraDepotRail(TileIndex tile, DiagDirection dir, Track track)
00092 {
00093   if (GetRailTileType(tile) != RAIL_TILE_NORMAL) return;
00094   if ((GetTrackBits(tile) & DiagdirReachesTracks(dir)) == 0) return;
00095 
00096   DoCommandP(tile, _cur_railtype, track, CMD_BUILD_SINGLE_RAIL);
00097 }
00098 
00100 static const Track _place_depot_extra_track[12] = {
00101   TRACK_LEFT,  TRACK_UPPER, TRACK_UPPER, TRACK_RIGHT, // First additional track for directions 0..3
00102   TRACK_X,     TRACK_Y,     TRACK_X,     TRACK_Y,     // Second additional track
00103   TRACK_LOWER, TRACK_LEFT,  TRACK_RIGHT, TRACK_LOWER, // Third additional track
00104 };
00105 
00107 static const DiagDirection _place_depot_extra_dir[12] = {
00108   DIAGDIR_SE, DIAGDIR_SW, DIAGDIR_SE, DIAGDIR_SW,
00109   DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_SE,
00110   DIAGDIR_NW, DIAGDIR_NE, DIAGDIR_NW, DIAGDIR_NE,
00111 };
00112 
00113 void CcRailDepot(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00114 {
00115   if (result.Failed()) return;
00116 
00117   DiagDirection dir = (DiagDirection)p2;
00118 
00119   SndPlayTileFx(SND_20_SPLAT_2, tile);
00120   if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00121 
00122   tile += TileOffsByDiagDir(dir);
00123 
00124   if (IsTileType(tile, MP_RAILWAY)) {
00125     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir], _place_depot_extra_track[dir]);
00126     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 4], _place_depot_extra_track[dir + 4]);
00127     PlaceExtraDepotRail(tile, _place_depot_extra_dir[dir + 8], _place_depot_extra_track[dir + 8]);
00128   }
00129 }
00130 
00135 static void PlaceRail_Waypoint(TileIndex tile)
00136 {
00137   if (_remove_button_clicked) {
00138     VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_REMOVE_STATION);
00139     return;
00140   }
00141 
00142   Axis axis = GetAxisForNewWaypoint(tile);
00143   if (IsValidAxis(axis)) {
00144     /* Valid tile for waypoints */
00145     VpStartPlaceSizing(tile, axis == AXIS_X ? VPM_FIX_X : VPM_FIX_Y, DDSP_BUILD_STATION);
00146   } else {
00147     /* Tile where we can't build rail waypoints. This is always going to fail,
00148      * but provides the user with a proper error message. */
00149     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));
00150   }
00151 }
00152 
00153 void CcStation(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00154 {
00155   if (result.Failed()) return;
00156 
00157   SndPlayTileFx(SND_20_SPLAT_2, tile);
00158   /* Only close the station builder window if the default station and non persistent building is chosen. */
00159   if (_railstation.station_class == STAT_CLASS_DFLT && _railstation.station_type == 0 && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00160 }
00161 
00166 static void PlaceRail_Station(TileIndex tile)
00167 {
00168   if (_remove_button_clicked) {
00169     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_REMOVE_STATION);
00170     VpSetPlaceSizingLimit(-1);
00171   } else if (_settings_client.gui.station_dragdrop) {
00172     VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED, DDSP_BUILD_STATION);
00173     VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00174   } else {
00175     uint32 p1 = _cur_railtype | _railstation.orientation << 4 | _settings_client.gui.station_numtracks << 8 | _settings_client.gui.station_platlength << 16 | _ctrl_pressed << 24;
00176     uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00177 
00178     int w = _settings_client.gui.station_numtracks;
00179     int h = _settings_client.gui.station_platlength;
00180     if (!_railstation.orientation) Swap(w, h);
00181 
00182     CommandContainer cmdcont = { tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00183     ShowSelectStationIfNeeded(cmdcont, TileArea(tile, w, h));
00184   }
00185 }
00186 
00192 static void GenericPlaceSignals(TileIndex tile)
00193 {
00194   TrackBits trackbits = TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_RAIL, 0));
00195 
00196   if (trackbits & TRACK_BIT_VERT) { // N-S direction
00197     trackbits = (_tile_fract_coords.x <= _tile_fract_coords.y) ? TRACK_BIT_RIGHT : TRACK_BIT_LEFT;
00198   }
00199 
00200   if (trackbits & TRACK_BIT_HORZ) { // E-W direction
00201     trackbits = (_tile_fract_coords.x + _tile_fract_coords.y <= 15) ? TRACK_BIT_UPPER : TRACK_BIT_LOWER;
00202   }
00203 
00204   Track track = FindFirstTrack(trackbits);
00205 
00206   if (_remove_button_clicked) {
00207     DoCommandP(tile, track, 0, CMD_REMOVE_SIGNALS | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM), CcPlaySound1E);
00208   } else {
00209     const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00210 
00211     /* Map the setting cycle_signal_types to the lower and upper allowed signal type. */
00212     static const uint cycle_bounds[] = {SIGTYPE_NORMAL | (SIGTYPE_LAST_NOPBS << 3), SIGTYPE_PBS | (SIGTYPE_LAST << 3), SIGTYPE_NORMAL | (SIGTYPE_LAST << 3)};
00213 
00214     /* various bitstuffed elements for CmdBuildSingleSignal() */
00215     uint32 p1 = track;
00216 
00217     if (w != NULL) {
00218       /* signal GUI is used */
00219       SB(p1, 3, 1, _ctrl_pressed);
00220       SB(p1, 4, 1, _cur_signal_variant);
00221       SB(p1, 5, 3, _cur_signal_type);
00222       SB(p1, 8, 1, _convert_signal_button);
00223       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00224     } else {
00225       SB(p1, 3, 1, _ctrl_pressed);
00226       SB(p1, 4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00227       SB(p1, 5, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00228       SB(p1, 8, 1, 0);
00229       SB(p1, 9, 6, cycle_bounds[_settings_client.gui.cycle_signal_types]);
00230     }
00231 
00232     DoCommandP(tile, p1, 0, CMD_BUILD_SIGNALS |
00233         CMD_MSG((w != NULL && _convert_signal_button) ? STR_ERROR_SIGNAL_CAN_T_CONVERT_SIGNALS_HERE : STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00234         CcPlaySound1E);
00235   }
00236 }
00237 
00243 static void PlaceRail_Bridge(TileIndex tile, Window *w)
00244 {
00245   if (IsBridgeTile(tile)) {
00246     TileIndex other_tile = GetOtherTunnelBridgeEnd(tile);
00247     Point pt = {0, 0};
00248     w->OnPlaceMouseUp(VPM_X_OR_Y, DDSP_BUILD_BRIDGE, pt, tile, other_tile);
00249   } else {
00250     VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_BUILD_BRIDGE);
00251   }
00252 }
00253 
00255 void CcBuildRailTunnel(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
00256 {
00257   if (result.Succeeded()) {
00258     SndPlayTileFx(SND_20_SPLAT_2, tile);
00259     if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00260   } else {
00261     SetRedErrorSquare(_build_tunnel_endtile);
00262   }
00263 }
00264 
00265 
00267 enum RailToolbarWidgets {
00268   RTW_CAPTION,
00269   RTW_BUILD_NS,
00270   RTW_BUILD_X,
00271   RTW_BUILD_EW,
00272   RTW_BUILD_Y,
00273   RTW_AUTORAIL,
00274   RTW_DEMOLISH,
00275   RTW_BUILD_DEPOT,
00276   RTW_BUILD_WAYPOINT,
00277   RTW_BUILD_STATION,
00278   RTW_BUILD_SIGNALS,
00279   RTW_BUILD_BRIDGE,
00280   RTW_BUILD_TUNNEL,
00281   RTW_REMOVE,
00282   RTW_CONVERT_RAIL,
00283 };
00284 
00285 
00290 static void ToggleRailButton_Remove(Window *w)
00291 {
00292   DeleteWindowById(WC_SELECT_STATION, 0);
00293   w->ToggleWidgetLoweredState(RTW_REMOVE);
00294   w->SetWidgetDirty(RTW_REMOVE);
00295   _remove_button_clicked = w->IsWidgetLowered(RTW_REMOVE);
00296   SetSelectionRed(_remove_button_clicked);
00297 }
00298 
00304 static bool RailToolbar_CtrlChanged(Window *w)
00305 {
00306   if (w->IsWidgetDisabled(RTW_REMOVE)) return false;
00307 
00308   /* allow ctrl to switch remove mode only for these widgets */
00309   for (uint i = RTW_BUILD_NS; i <= RTW_BUILD_STATION; i++) {
00310     if ((i <= RTW_AUTORAIL || i >= RTW_BUILD_WAYPOINT) && w->IsWidgetLowered(i)) {
00311       ToggleRailButton_Remove(w);
00312       return true;
00313     }
00314   }
00315 
00316   return false;
00317 }
00318 
00319 
00325 static void BuildRailClick_Remove(Window *w)
00326 {
00327   if (w->IsWidgetDisabled(RTW_REMOVE)) return;
00328   ToggleRailButton_Remove(w);
00329   SndPlayFx(SND_15_BEEP);
00330 
00331   /* handle station builder */
00332   if (w->IsWidgetLowered(RTW_BUILD_STATION)) {
00333     if (_remove_button_clicked) {
00334       /* starting drag & drop remove */
00335       if (!_settings_client.gui.station_dragdrop) {
00336         SetTileSelectSize(1, 1);
00337       } else {
00338         VpSetPlaceSizingLimit(-1);
00339       }
00340     } else {
00341       /* starting station build mode */
00342       if (!_settings_client.gui.station_dragdrop) {
00343         int x = _settings_client.gui.station_numtracks;
00344         int y = _settings_client.gui.station_platlength;
00345         if (_railstation.orientation == 0) Swap(x, y);
00346         SetTileSelectSize(x, y);
00347       } else {
00348         VpSetPlaceSizingLimit(_settings_game.station.station_spread);
00349       }
00350     }
00351   }
00352 }
00353 
00354 static void DoRailroadTrack(int mode)
00355 {
00356   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), _cur_railtype | (mode << 4),
00357       _remove_button_clicked ?
00358       CMD_REMOVE_RAILROAD_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK) :
00359       CMD_BUILD_RAILROAD_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK));
00360 }
00361 
00362 static void HandleAutodirPlacement()
00363 {
00364   int trackstat = _thd.drawstyle & HT_DIR_MASK; // 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   uint32 p2 = GB(_thd.drawstyle, 0, 3); // 0..5
00383 
00384   if ((_thd.drawstyle & HT_DRAG_MASK) == HT_RECT) { // one tile case
00385     GenericPlaceSignals(TileVirtXY(_thd.selend.x, _thd.selend.y));
00386     return;
00387   }
00388 
00389   const Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
00390 
00391   if (w != NULL) {
00392     /* signal GUI is used */
00393     SB(p2,  3, 1, 0);
00394     SB(p2,  4, 1, _cur_signal_variant);
00395     SB(p2,  6, 1, _ctrl_pressed);
00396     SB(p2,  7, 3, _cur_signal_type);
00397     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00398   } else {
00399     SB(p2,  3, 1, 0);
00400     SB(p2,  4, 1, (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC));
00401     SB(p2,  6, 1, _ctrl_pressed);
00402     SB(p2,  7, 3, _default_signal_type[_settings_client.gui.default_signal_type]);
00403     SB(p2, 24, 8, _settings_client.gui.drag_signals_density);
00404   }
00405 
00406   /* _settings_client.gui.drag_signals_density is given as a parameter such that each user
00407    * in a network game can specify his/her own signal density */
00408   DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), p2,
00409       _remove_button_clicked ?
00410       CMD_REMOVE_SIGNAL_TRACK | CMD_MSG(STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM) :
00411       CMD_BUILD_SIGNAL_TRACK  | CMD_MSG(STR_ERROR_CAN_T_BUILD_SIGNALS_HERE),
00412       CcPlaySound1E);
00413 }
00414 
00415 
00417 struct BuildRailToolbarWindow : Window {
00418   RailType railtype;    
00419   int last_user_action; 
00420 
00421   BuildRailToolbarWindow(const WindowDesc *desc, WindowNumber window_number, RailType railtype) : Window()
00422   {
00423     this->InitNested(desc);
00424     this->SetupRailToolbar(railtype);
00425     this->DisableWidget(RTW_REMOVE);
00426     this->last_user_action = WIDGET_LIST_END;
00427 
00428     if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
00429   }
00430 
00431   ~BuildRailToolbarWindow()
00432   {
00433     if (_settings_client.gui.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0, false);
00434   }
00435 
00440   void SetupRailToolbar(RailType railtype)
00441   {
00442     this->railtype = railtype;
00443     const RailtypeInfo *rti = GetRailTypeInfo(railtype);
00444 
00445     assert(railtype < RAILTYPE_END);
00446     this->GetWidget<NWidgetCore>(RTW_BUILD_NS)->widget_data     = rti->gui_sprites.build_ns_rail;
00447     this->GetWidget<NWidgetCore>(RTW_BUILD_X)->widget_data      = rti->gui_sprites.build_x_rail;
00448     this->GetWidget<NWidgetCore>(RTW_BUILD_EW)->widget_data     = rti->gui_sprites.build_ew_rail;
00449     this->GetWidget<NWidgetCore>(RTW_BUILD_Y)->widget_data      = rti->gui_sprites.build_y_rail;
00450     this->GetWidget<NWidgetCore>(RTW_AUTORAIL)->widget_data     = rti->gui_sprites.auto_rail;
00451     this->GetWidget<NWidgetCore>(RTW_BUILD_DEPOT)->widget_data  = rti->gui_sprites.build_depot;
00452     this->GetWidget<NWidgetCore>(RTW_CONVERT_RAIL)->widget_data = rti->gui_sprites.convert_rail;
00453     this->GetWidget<NWidgetCore>(RTW_BUILD_TUNNEL)->widget_data = rti->gui_sprites.build_tunnel;
00454   }
00455 
00460   void ModifyRailType(RailType railtype)
00461   {
00462     this->SetupRailToolbar(railtype);
00463     this->ReInit();
00464   }
00465 
00466   void UpdateRemoveWidgetStatus(int clicked_widget)
00467   {
00468     switch (clicked_widget) {
00469       case RTW_REMOVE:
00470         /* If it is the removal button that has been clicked, do nothing,
00471          * as it is up to the other buttons to drive removal status */
00472         return;
00473 
00474       case RTW_BUILD_NS:
00475       case RTW_BUILD_X:
00476       case RTW_BUILD_EW:
00477       case RTW_BUILD_Y:
00478       case RTW_AUTORAIL:
00479       case RTW_BUILD_WAYPOINT:
00480       case RTW_BUILD_STATION:
00481       case RTW_BUILD_SIGNALS:
00482         /* Removal button is enabled only if the rail/signal/waypoint/station
00483          * button is still lowered.  Once raised, it has to be disabled */
00484         this->SetWidgetDisabledState(RTW_REMOVE, !this->IsWidgetLowered(clicked_widget));
00485         break;
00486 
00487       default:
00488         /* When any other buttons than rail/signal/waypoint/station, raise and
00489          * disable the removal button */
00490         this->DisableWidget(RTW_REMOVE);
00491         this->RaiseWidget(RTW_REMOVE);
00492         break;
00493     }
00494   }
00495 
00496   virtual void SetStringParameters(int widget) const
00497   {
00498     if (widget == RTW_CAPTION) {
00499       const RailtypeInfo *rti = GetRailTypeInfo(this->railtype);
00500       if (rti->max_speed > 0) {
00501         SetDParam(0, STR_TOOLBAR_RAILTYPE_VELOCITY);
00502         SetDParam(1, rti->strings.toolbar_caption);
00503         SetDParam(2, rti->max_speed);
00504       } else {
00505         SetDParam(0, rti->strings.toolbar_caption);
00506       }
00507     }
00508   }
00509 
00510   virtual void OnClick(Point pt, int widget, int click_count)
00511   {
00512     if (widget < RTW_BUILD_NS) return;
00513 
00514     _remove_button_clicked = false;
00515     switch (widget) {
00516       case RTW_BUILD_NS:
00517         HandlePlacePushButton(this, RTW_BUILD_NS, GetRailTypeInfo(_cur_railtype)->cursor.rail_ns, HT_LINE | HT_DIR_VL);
00518         this->last_user_action = widget;
00519         break;
00520 
00521       case RTW_BUILD_X:
00522         HandlePlacePushButton(this, RTW_BUILD_X, GetRailTypeInfo(_cur_railtype)->cursor.rail_swne, HT_LINE | HT_DIR_X);
00523         this->last_user_action = widget;
00524         break;
00525 
00526       case RTW_BUILD_EW:
00527         HandlePlacePushButton(this, RTW_BUILD_EW, GetRailTypeInfo(_cur_railtype)->cursor.rail_ew, HT_LINE | HT_DIR_HL);
00528         this->last_user_action = widget;
00529         break;
00530 
00531       case RTW_BUILD_Y:
00532         HandlePlacePushButton(this, RTW_BUILD_Y, GetRailTypeInfo(_cur_railtype)->cursor.rail_nwse, HT_LINE | HT_DIR_Y);
00533         this->last_user_action = widget;
00534         break;
00535 
00536       case RTW_AUTORAIL:
00537         HandlePlacePushButton(this, RTW_AUTORAIL, GetRailTypeInfo(_cur_railtype)->cursor.autorail, HT_RAIL);
00538         this->last_user_action = widget;
00539         break;
00540 
00541       case RTW_DEMOLISH:
00542         HandlePlacePushButton(this, RTW_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT | HT_DIAGONAL);
00543         this->last_user_action = widget;
00544         break;
00545 
00546       case RTW_BUILD_DEPOT:
00547         if (HandlePlacePushButton(this, RTW_BUILD_DEPOT, GetRailTypeInfo(_cur_railtype)->cursor.depot, HT_RECT)) {
00548           ShowBuildTrainDepotPicker(this);
00549           this->last_user_action = widget;
00550         }
00551         break;
00552 
00553       case RTW_BUILD_WAYPOINT:
00554         this->last_user_action = widget;
00555         _waypoint_count = StationClass::GetCount(STAT_CLASS_WAYP);
00556         if (HandlePlacePushButton(this, RTW_BUILD_WAYPOINT, SPR_CURSOR_WAYPOINT, HT_RECT) && _waypoint_count > 1) {
00557           ShowBuildWaypointPicker(this);
00558         }
00559         break;
00560 
00561       case RTW_BUILD_STATION:
00562         if (HandlePlacePushButton(this, RTW_BUILD_STATION, SPR_CURSOR_RAIL_STATION, HT_RECT)) {
00563           ShowStationBuilder(this);
00564           this->last_user_action = widget;
00565         }
00566         break;
00567 
00568       case RTW_BUILD_SIGNALS: {
00569         this->last_user_action = widget;
00570         bool started = HandlePlacePushButton(this, RTW_BUILD_SIGNALS, ANIMCURSOR_BUILDSIGNALS, HT_RECT);
00571         if (started && _settings_client.gui.enable_signal_gui != _ctrl_pressed) {
00572           ShowSignalBuilder(this);
00573         }
00574         break;
00575       }
00576 
00577       case RTW_BUILD_BRIDGE:
00578         HandlePlacePushButton(this, RTW_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT);
00579         this->last_user_action = widget;
00580         break;
00581 
00582       case RTW_BUILD_TUNNEL:
00583         HandlePlacePushButton(this, RTW_BUILD_TUNNEL, GetRailTypeInfo(_cur_railtype)->cursor.tunnel, HT_SPECIAL);
00584         this->last_user_action = widget;
00585         break;
00586 
00587       case RTW_REMOVE:
00588         BuildRailClick_Remove(this);
00589         break;
00590 
00591       case RTW_CONVERT_RAIL:
00592         HandlePlacePushButton(this, RTW_CONVERT_RAIL, GetRailTypeInfo(_cur_railtype)->cursor.convert, HT_RECT);
00593         this->last_user_action = widget;
00594         break;
00595 
00596       default: NOT_REACHED();
00597     }
00598     this->UpdateRemoveWidgetStatus(widget);
00599     if (_ctrl_pressed) RailToolbar_CtrlChanged(this);
00600   }
00601 
00602   virtual EventState OnKeyPress(uint16 key, uint16 keycode)
00603   {
00604     int num = CheckHotkeyMatch(railtoolbar_hotkeys, keycode, this);
00605     if (num == -1) return ES_NOT_HANDLED;
00606     this->OnClick(Point(), num, 1);
00607     MarkTileDirtyByTile(TileVirtXY(_thd.pos.x, _thd.pos.y)); // redraw tile selection
00608     return ES_HANDLED;
00609   }
00610 
00611   virtual void OnPlaceObject(Point pt, TileIndex tile)
00612   {
00613     switch (this->last_user_action) {
00614       case RTW_BUILD_NS:
00615         VpStartPlaceSizing(tile, VPM_FIX_VERTICAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00616         break;
00617 
00618       case RTW_BUILD_X:
00619         VpStartPlaceSizing(tile, VPM_FIX_Y | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00620         break;
00621 
00622       case RTW_BUILD_EW:
00623         VpStartPlaceSizing(tile, VPM_FIX_HORIZONTAL | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00624         break;
00625 
00626       case RTW_BUILD_Y:
00627         VpStartPlaceSizing(tile, VPM_FIX_X | VPM_RAILDIRS, DDSP_PLACE_RAIL);
00628         break;
00629 
00630       case RTW_AUTORAIL:
00631         VpStartPlaceSizing(tile, VPM_RAILDIRS, DDSP_PLACE_RAIL);
00632         break;
00633 
00634       case RTW_DEMOLISH:
00635         PlaceProc_DemolishArea(tile);
00636         break;
00637 
00638       case RTW_BUILD_DEPOT:
00639         DoCommandP(tile, _cur_railtype, _build_depot_direction,
00640             CMD_BUILD_TRAIN_DEPOT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_DEPOT),
00641             CcRailDepot);
00642         break;
00643 
00644       case RTW_BUILD_WAYPOINT:
00645         PlaceRail_Waypoint(tile);
00646         break;
00647 
00648       case RTW_BUILD_STATION:
00649         PlaceRail_Station(tile);
00650         break;
00651 
00652       case RTW_BUILD_SIGNALS:
00653         VpStartPlaceSizing(tile, VPM_SIGNALDIRS, DDSP_BUILD_SIGNALS);
00654         break;
00655 
00656       case RTW_BUILD_BRIDGE:
00657         PlaceRail_Bridge(tile, this);
00658         break;
00659 
00660       case RTW_BUILD_TUNNEL:
00661         DoCommandP(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, CMD_BUILD_TUNNEL | CMD_MSG(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE), CcBuildRailTunnel);
00662         break;
00663 
00664       case RTW_CONVERT_RAIL:
00665         VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CONVERT_RAIL);
00666         break;
00667 
00668       default: NOT_REACHED();
00669     }
00670   }
00671 
00672   virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
00673   {
00674     /* no dragging if you have pressed the convert button */
00675     if (FindWindowById(WC_BUILD_SIGNAL, 0) != NULL && _convert_signal_button && this->IsWidgetLowered(RTW_BUILD_SIGNALS)) return;
00676 
00677     VpSelectTilesWithMethod(pt.x, pt.y, select_method);
00678   }
00679 
00680   virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile)
00681   {
00682     if (pt.x != -1) {
00683       switch (select_proc) {
00684         default: NOT_REACHED();
00685         case DDSP_BUILD_BRIDGE:
00686           if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
00687           ShowBuildBridgeWindow(start_tile, end_tile, TRANSPORT_RAIL, _cur_railtype);
00688           break;
00689 
00690         case DDSP_PLACE_RAIL:
00691           HandleAutodirPlacement();
00692           break;
00693 
00694         case DDSP_BUILD_SIGNALS:
00695           HandleAutoSignalPlacement();
00696           break;
00697 
00698         case DDSP_DEMOLISH_AREA:
00699           GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
00700           break;
00701 
00702         case DDSP_CONVERT_RAIL:
00703           DoCommandP(end_tile, start_tile, _cur_railtype, CMD_CONVERT_RAIL | CMD_MSG(STR_ERROR_CAN_T_CONVERT_RAIL), CcPlaySound10);
00704           break;
00705 
00706         case DDSP_REMOVE_STATION:
00707         case DDSP_BUILD_STATION:
00708           if (this->IsWidgetLowered(RTW_BUILD_STATION)) {
00709             /* Station */
00710             if (_remove_button_clicked) {
00711               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);
00712             } else {
00713               HandleStationPlacement(start_tile, end_tile);
00714             }
00715           } else {
00716             /* Waypoint */
00717             if (_remove_button_clicked) {
00718               DoCommandP(end_tile, start_tile, _ctrl_pressed ? 0 : 1, CMD_REMOVE_FROM_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_REMOVE_TRAIN_WAYPOINT), CcPlaySound1E);
00719             } else {
00720               TileArea ta(start_tile, end_tile);
00721               uint32 p1 = _cur_railtype | (select_method == VPM_FIX_X ? AXIS_X : AXIS_Y) << 4 | ta.w << 8 | ta.h << 16 | _ctrl_pressed << 24;
00722               uint32 p2 = STAT_CLASS_WAYP | _cur_waypoint_type << 8 | INVALID_STATION << 16;
00723 
00724               CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_WAYPOINT | CMD_MSG(STR_ERROR_CAN_T_BUILD_TRAIN_WAYPOINT), CcPlaySound1E, "" };
00725               ShowSelectWaypointIfNeeded(cmdcont, ta);
00726             }
00727           }
00728           break;
00729       }
00730     }
00731   }
00732 
00733   virtual void OnPlaceObjectAbort()
00734   {
00735     this->RaiseButtons();
00736     this->DisableWidget(RTW_REMOVE);
00737     this->SetWidgetDirty(RTW_REMOVE);
00738 
00739     DeleteWindowById(WC_BUILD_SIGNAL, TRANSPORT_RAIL);
00740     DeleteWindowById(WC_BUILD_STATION, TRANSPORT_RAIL);
00741     DeleteWindowById(WC_BUILD_DEPOT, TRANSPORT_RAIL);
00742     DeleteWindowById(WC_SELECT_STATION, 0);
00743     DeleteWindowByClass(WC_BUILD_BRIDGE);
00744   }
00745 
00746   virtual void OnPlacePresize(Point pt, TileIndex tile)
00747   {
00748     DoCommand(tile, _cur_railtype | (TRANSPORT_RAIL << 8), 0, DC_AUTO, CMD_BUILD_TUNNEL);
00749     VpSetPresizeRange(tile, _build_tunnel_endtile == 0 ? tile : _build_tunnel_endtile);
00750   }
00751 
00752   virtual EventState OnCTRLStateChange()
00753   {
00754     /* do not toggle Remove button by Ctrl when placing station */
00755     if (!this->IsWidgetLowered(RTW_BUILD_STATION) && !this->IsWidgetLowered(RTW_BUILD_WAYPOINT) && RailToolbar_CtrlChanged(this)) return ES_HANDLED;
00756     return ES_NOT_HANDLED;
00757   }
00758 
00759   static Hotkey<BuildRailToolbarWindow> railtoolbar_hotkeys[];
00760 };
00761 
00762 const uint16 _railtoolbar_autorail_keys[] = {'5', 'A' | WKC_GLOBAL_HOTKEY, 0};
00763 
00764 Hotkey<BuildRailToolbarWindow> BuildRailToolbarWindow::railtoolbar_hotkeys[] = {
00765   Hotkey<BuildRailToolbarWindow>('1', "build_ns", RTW_BUILD_NS),
00766   Hotkey<BuildRailToolbarWindow>('2', "build_x", RTW_BUILD_X),
00767   Hotkey<BuildRailToolbarWindow>('3', "build_ew", RTW_BUILD_EW),
00768   Hotkey<BuildRailToolbarWindow>('4', "build_y", RTW_BUILD_Y),
00769   Hotkey<BuildRailToolbarWindow>(_railtoolbar_autorail_keys, "autorail", RTW_AUTORAIL),
00770   Hotkey<BuildRailToolbarWindow>('6', "demolish", RTW_DEMOLISH),
00771   Hotkey<BuildRailToolbarWindow>('7', "depot", RTW_BUILD_DEPOT),
00772   Hotkey<BuildRailToolbarWindow>('8', "waypoint", RTW_BUILD_WAYPOINT),
00773   Hotkey<BuildRailToolbarWindow>('9', "station", RTW_BUILD_STATION),
00774   Hotkey<BuildRailToolbarWindow>('S', "signal", RTW_BUILD_SIGNALS),
00775   Hotkey<BuildRailToolbarWindow>('B', "bridge", RTW_BUILD_BRIDGE),
00776   Hotkey<BuildRailToolbarWindow>('T', "tunnel", RTW_BUILD_TUNNEL),
00777   Hotkey<BuildRailToolbarWindow>('R', "remove", RTW_REMOVE),
00778   Hotkey<BuildRailToolbarWindow>('C', "convert", RTW_CONVERT_RAIL),
00779   HOTKEY_LIST_END(BuildRailToolbarWindow)
00780 };
00781 Hotkey<BuildRailToolbarWindow> *_railtoolbar_hotkeys = BuildRailToolbarWindow::railtoolbar_hotkeys;
00782 
00783 static const NWidgetPart _nested_build_rail_widgets[] = {
00784   NWidget(NWID_HORIZONTAL),
00785     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
00786     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, RTW_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00787     NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
00788   EndContainer(),
00789   NWidget(NWID_HORIZONTAL),
00790     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_NS),
00791             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00792     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_X),
00793             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00794     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_EW),
00795             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_EW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00796     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_Y),
00797             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_NW, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TRACK),
00798     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_AUTORAIL),
00799             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTORAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_AUTORAIL),
00800 
00801     NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetMinimalSize(4, 22), SetDataTip(0x0, STR_NULL), EndContainer(),
00802 
00803     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_DEMOLISH),
00804             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
00805     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_DEPOT),
00806             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DEPOT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_TRAIN_DEPOT_FOR_BUILDING),
00807     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_WAYPOINT),
00808             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_WAYPOINT, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL_TO_WAYPOINT),
00809     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_STATION),
00810             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_RAIL_STATION, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_STATION),
00811     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_SIGNALS),
00812             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_RAIL_SIGNALS, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_SIGNALS),
00813     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_BRIDGE),
00814             SetFill(0, 1), SetMinimalSize(42, 22), SetDataTip(SPR_IMG_BRIDGE, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_BRIDGE),
00815     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_TUNNEL),
00816             SetFill(0, 1), SetMinimalSize(20, 22), SetDataTip(SPR_IMG_TUNNEL_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_BUILD_RAILROAD_TUNNEL),
00817     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_REMOVE),
00818             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_RAIL_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR),
00819     NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_CONVERT_RAIL),
00820             SetFill(0, 1), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_CONVERT_RAIL, STR_RAIL_TOOLBAR_TOOLTIP_CONVERT_RAIL),
00821   EndContainer(),
00822 };
00823 
00824 static const WindowDesc _build_rail_desc(
00825   WDP_ALIGN_TOOLBAR, 0, 0,
00826   WC_BUILD_TOOLBAR, WC_NONE,
00827   WDF_CONSTRUCTION,
00828   _nested_build_rail_widgets, lengthof(_nested_build_rail_widgets)
00829 );
00830 
00831 
00840 Window *ShowBuildRailToolbar(RailType railtype)
00841 {
00842   if (!Company::IsValidID(_local_company)) return NULL;
00843   if (!ValParamRailtype(railtype)) return NULL;
00844 
00845   DeleteWindowByClass(WC_BUILD_TOOLBAR);
00846   _cur_railtype = railtype;
00847   _remove_button_clicked = false;
00848   return new BuildRailToolbarWindow(&_build_rail_desc, TRANSPORT_RAIL, railtype);
00849 }
00850 
00851 EventState RailToolbarGlobalHotkeys(uint16 key, uint16 keycode)
00852 {
00853   extern RailType _last_built_railtype;
00854   int num = CheckHotkeyMatch<BuildRailToolbarWindow>(_railtoolbar_hotkeys, keycode, NULL, true);
00855   if (num == -1) return ES_NOT_HANDLED;
00856   Window *w = ShowBuildRailToolbar(_last_built_railtype);
00857   if (w == NULL) return ES_NOT_HANDLED;
00858   return w->OnKeyPress(key, keycode);
00859 }
00860 
00861 /* TODO: For custom stations, respect their allowed platforms/lengths bitmasks!
00862  * --pasky */
00863 
00864 static void HandleStationPlacement(TileIndex start, TileIndex end)
00865 {
00866   TileArea ta(start, end);
00867   uint numtracks = ta.w;
00868   uint platlength = ta.h;
00869 
00870   if (_railstation.orientation == AXIS_X) Swap(numtracks, platlength);
00871 
00872   uint32 p1 = _cur_railtype | _railstation.orientation << 4 | numtracks << 8 | platlength << 16 | _ctrl_pressed << 24;
00873   uint32 p2 = _railstation.station_class | _railstation.station_type << 8 | INVALID_STATION << 16;
00874 
00875   CommandContainer cmdcont = { ta.tile, p1, p2, CMD_BUILD_RAIL_STATION | CMD_MSG(STR_ERROR_CAN_T_BUILD_RAILROAD_STATION), CcStation, "" };
00876   ShowSelectStationIfNeeded(cmdcont, ta);
00877 }
00878 
00880 enum BuildRailStationWidgets {
00881   BRSW_PLATFORM_DIR_X,       
00882   BRSW_PLATFORM_DIR_Y,       
00883 
00884   BRSW_PLATFORM_NUM_1,       
00885   BRSW_PLATFORM_NUM_2,       
00886   BRSW_PLATFORM_NUM_3,       
00887   BRSW_PLATFORM_NUM_4,       
00888   BRSW_PLATFORM_NUM_5,       
00889   BRSW_PLATFORM_NUM_6,       
00890   BRSW_PLATFORM_NUM_7,       
00891 
00892   BRSW_PLATFORM_LEN_1,       
00893   BRSW_PLATFORM_LEN_2,       
00894   BRSW_PLATFORM_LEN_3,       
00895   BRSW_PLATFORM_LEN_4,       
00896   BRSW_PLATFORM_LEN_5,       
00897   BRSW_PLATFORM_LEN_6,       
00898   BRSW_PLATFORM_LEN_7,       
00899 
00900   BRSW_PLATFORM_DRAG_N_DROP, 
00901 
00902   BRSW_HIGHLIGHT_OFF,        
00903   BRSW_HIGHLIGHT_ON,         
00904   BRSW_COVERAGE_TEXTS,       
00905 
00906   BRSW_MATRIX,               
00907   BRSW_IMAGE,                
00908   BRSW_MATRIX_SCROLL,        
00909 
00910   BRSW_SHOW_NEWST_ADDITIONS, 
00911   BRSW_SHOW_NEWST_MATRIX,    
00912   BRSW_SHOW_NEWST_RESIZE,    
00913   BRSW_SHOW_NEWST_TYPE,      
00914   BRSW_NEWST_LIST,           
00915   BRSW_NEWST_SCROLL,         
00916 
00917   BRSW_PLATFORM_NUM_BEGIN = BRSW_PLATFORM_NUM_1 - 1,
00918   BRSW_PLATFORM_LEN_BEGIN = BRSW_PLATFORM_LEN_1 - 1,
00919 };
00920 
00921 struct BuildRailStationWindow : public PickerWindowBase {
00922 private:
00923   uint line_height;     
00924   uint coverage_height; 
00925   Scrollbar *vscroll;   
00926   Scrollbar *vscroll2;  
00927 
00933   void CheckSelectedSize(const StationSpec *statspec)
00934   {
00935     if (statspec == NULL || _settings_client.gui.station_dragdrop) return;
00936 
00937     /* If current number of tracks is not allowed, make it as big as possible (which is always less than currently selected) */
00938     if (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00939       this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00940       _settings_client.gui.station_numtracks = 1;
00941       while (HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
00942         _settings_client.gui.station_numtracks++;
00943       }
00944       this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
00945     }
00946 
00947     if (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00948       this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00949       _settings_client.gui.station_platlength = 1;
00950       while (HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
00951         _settings_client.gui.station_platlength++;
00952       }
00953       this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
00954     }
00955   }
00956 
00957 public:
00958   BuildRailStationWindow(const WindowDesc *desc, Window *parent, bool newstation) : PickerWindowBase(parent)
00959   {
00960     this->coverage_height = 2 * FONT_HEIGHT_NORMAL + 3 * WD_PAR_VSEP_NORMAL;
00961     this->vscroll = NULL;
00962     _railstation.newstations = newstation;
00963 
00964     this->CreateNestedTree(desc);
00965     NWidgetStacked *newst_additions = this->GetWidget<NWidgetStacked>(BRSW_SHOW_NEWST_ADDITIONS);
00966     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00967     newst_additions = this->GetWidget<NWidgetStacked>(BRSW_SHOW_NEWST_MATRIX);
00968     newst_additions->SetDisplayedPlane(newstation ? 0 : SZSP_NONE);
00969     newst_additions = this->GetWidget<NWidgetStacked>(BRSW_SHOW_NEWST_RESIZE);
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     if (!newstation || _railstation.station_class >= (int)StationClass::GetCount()) {
00984       /* New stations are not available or changed, so ensure the default station
00985        * type is 'selected'. */
00986       _railstation.station_class = STAT_CLASS_DFLT;
00987       _railstation.station_type = 0;
00988       this->vscroll2 = NULL;
00989     }
00990     if (newstation) {
00991       _railstation.station_count = StationClass::GetCount(_railstation.station_class);
00992       _railstation.station_type = min(_railstation.station_type, _railstation.station_count - 1);
00993 
00994       int count = 0;
00995       for (uint i = 0; i < StationClass::GetCount(); i++) {
00996         if (i == STAT_CLASS_WAYP) continue;
00997         count++;
00998       }
00999       this->vscroll = this->GetScrollbar(BRSW_NEWST_SCROLL);
01000       this->vscroll->SetCount(count);
01001       this->vscroll->SetCapacity(GB(this->GetWidget<NWidgetCore>(BRSW_NEWST_LIST)->widget_data, MAT_ROW_START, MAT_ROW_BITS));
01002       this->vscroll->SetPosition(Clamp(_railstation.station_class - 2, 0, max(this->vscroll->GetCount() - this->vscroll->GetCapacity(), 0)));
01003 
01004       this->vscroll2 = this->GetScrollbar(BRSW_MATRIX_SCROLL);
01005       NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(BRSW_MATRIX);
01006       matrix->SetScrollbar(this->vscroll2);
01007       matrix->SetCount(_railstation.station_count);
01008       matrix->SetClicked(0);
01009     }
01010   }
01011 
01012   virtual ~BuildRailStationWindow()
01013   {
01014     DeleteWindowById(WC_SELECT_STATION, 0);
01015   }
01016 
01017   virtual void OnPaint()
01018   {
01019     bool newstations = _railstation.newstations;
01020     const StationSpec *statspec = newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01021 
01022     if (_settings_client.gui.station_dragdrop) {
01023       SetTileSelectSize(1, 1);
01024     } else {
01025       int x = _settings_client.gui.station_numtracks;
01026       int y = _settings_client.gui.station_platlength;
01027       if (_railstation.orientation == AXIS_X) Swap(x, y);
01028       if (!_remove_button_clicked) {
01029         SetTileSelectSize(x, y);
01030       }
01031     }
01032 
01033     int rad = (_settings_game.station.modified_catchment) ? CA_TRAIN : CA_UNMODIFIED;
01034 
01035     if (_settings_client.gui.station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
01036 
01037     for (uint bits = 0; bits < 7; bits++) {
01038       bool disable = bits >= _settings_game.station.station_spread;
01039       if (statspec == NULL) {
01040         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_NUM_1, disable);
01041         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_LEN_1, disable);
01042       } else {
01043         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_NUM_1, HasBit(statspec->disallowed_platforms, bits) || disable);
01044         this->SetWidgetDisabledState(bits + BRSW_PLATFORM_LEN_1, HasBit(statspec->disallowed_lengths,   bits) || disable);
01045       }
01046     }
01047 
01048     this->DrawWidgets();
01049 
01050     /* 'Accepts' and 'Supplies' texts. */
01051     NWidgetBase *cov = this->GetWidget<NWidgetBase>(BRSW_COVERAGE_TEXTS);
01052     int top = cov->pos_y + WD_PAR_VSEP_NORMAL;
01053     int left = cov->pos_x + WD_FRAMERECT_LEFT;
01054     int right = cov->pos_x + cov->current_x - WD_FRAMERECT_RIGHT;
01055     int bottom = cov->pos_y + cov->current_y;
01056     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, false) + WD_PAR_VSEP_NORMAL;
01057     top = DrawStationCoverageAreaText(left, right, top, SCT_ALL, rad, true) + WD_PAR_VSEP_NORMAL;
01058     /* Resize the coverage text space if the text is not equally long as the window. */
01059     if (top != bottom) {
01060       this->coverage_height += top - bottom;
01061       this->ReInit();
01062     }
01063   }
01064 
01065   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01066   {
01067     switch (widget) {
01068       case BRSW_NEWST_LIST: {
01069         Dimension d = {0, 0};
01070         for (uint i = 0; i < StationClass::GetCount(); i++) {
01071           if (i == STAT_CLASS_WAYP) continue;
01072           SetDParam(0, StationClass::GetName((StationClassID)i));
01073           d = maxdim(d, GetStringBoundingBox(STR_BLACK_STRING));
01074         }
01075         size->width = max(size->width, d.width + padding.width);
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         resize->height = this->line_height;
01079         break;
01080       }
01081 
01082       case BRSW_SHOW_NEWST_TYPE: {
01083         if (!_railstation.newstations) {
01084           size->width = 0;
01085           size->height = 0;
01086           break;
01087         }
01088 
01089         /* If newstations exist, compute the non-zero minimal size. */
01090         Dimension d = {0, 0};
01091         StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
01092         for (StationClassID statclass = STAT_CLASS_BEGIN; statclass < (StationClassID)StationClass::GetCount(); statclass++) {
01093           if (statclass == STAT_CLASS_WAYP) continue;
01094           for (uint16 j = 0; j < StationClass::GetCount(statclass); j++) {
01095             const StationSpec *statspec = StationClass::Get(statclass, j);
01096             SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01097             d = maxdim(d, GetStringBoundingBox(str));
01098           }
01099         }
01100         size->width = max(size->width, d.width + padding.width);
01101         break;
01102       }
01103 
01104       case BRSW_COVERAGE_TEXTS:
01105         size->height = this->coverage_height;
01106         break;
01107 
01108       case BRSW_MATRIX:
01109         fill->height = 1;
01110         resize->height = 1;
01111         break;
01112     }
01113   }
01114 
01115   virtual void DrawWidget(const Rect &r, int widget) const
01116   {
01117     DrawPixelInfo tmp_dpi;
01118 
01119     switch (GB(widget, 0, 16)) {
01120       case BRSW_PLATFORM_DIR_X:
01121         /* Set up a clipping area for the '/' station preview */
01122         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01123           DrawPixelInfo *old_dpi = _cur_dpi;
01124           _cur_dpi = &tmp_dpi;
01125           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_X, _railstation.station_class, _railstation.station_type)) {
01126             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2);
01127           }
01128           _cur_dpi = old_dpi;
01129         }
01130         break;
01131 
01132       case BRSW_PLATFORM_DIR_Y:
01133         /* Set up a clipping area for the '\' station preview */
01134         if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
01135           DrawPixelInfo *old_dpi = _cur_dpi;
01136           _cur_dpi = &tmp_dpi;
01137           if (!DrawStationTile(32, 16, _cur_railtype, AXIS_Y, _railstation.station_class, _railstation.station_type)) {
01138             StationPickerDrawSprite(32, 16, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 3);
01139           }
01140           _cur_dpi = old_dpi;
01141         }
01142         break;
01143 
01144       case BRSW_NEWST_LIST: {
01145         uint statclass = 0;
01146         uint row = 0;
01147         for (uint i = 0; i < StationClass::GetCount(); i++) {
01148           if (i == STAT_CLASS_WAYP) continue;
01149           if (this->vscroll->IsVisible(statclass)) {
01150             SetDParam(0, StationClass::GetName((StationClassID)i));
01151             DrawString(r.left + WD_MATRIX_LEFT, r.right - WD_MATRIX_RIGHT, row * this->line_height + r.top + WD_MATRIX_TOP, STR_JUST_STRING,
01152                 (StationClassID)i == _railstation.station_class ? TC_WHITE : TC_BLACK);
01153             row++;
01154           }
01155           statclass++;
01156         }
01157         break;
01158       }
01159 
01160       case BRSW_IMAGE: {
01161         byte type = GB(widget, 16, 16);
01162         assert(type < _railstation.station_count);
01163         /* Check station availability callback */
01164         const StationSpec *statspec = StationClass::Get(_railstation.station_class, type);
01165         if (statspec != NULL && HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01166             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) {
01167           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, 0, FILLRECT_CHECKER);
01168         }
01169 
01170         /* Set up a clipping area for the station preview. */
01171         if (FillDrawPixelInfo(&tmp_dpi, r.left + 1, r.top + 1, r.right - (r.left + 1) + 1, r.bottom - 1 - (r.top + 1) + 1)) {
01172           DrawPixelInfo *old_dpi = _cur_dpi;
01173           _cur_dpi = &tmp_dpi;
01174           if (!DrawStationTile(31, 29, _cur_railtype, _railstation.orientation, _railstation.station_class, type)) {
01175             StationPickerDrawSprite(31, 29, STATION_RAIL, _cur_railtype, INVALID_ROADTYPE, 2 + _railstation.orientation);
01176           }
01177           _cur_dpi = old_dpi;
01178         }
01179         break;
01180       }
01181     }
01182   }
01183 
01184   virtual void OnResize()
01185   {
01186     if (this->vscroll != NULL) { // New stations available.
01187       this->vscroll->SetCapacityFromWidget(this, BRSW_NEWST_LIST);
01188       this->GetWidget<NWidgetCore>(BRSW_NEWST_LIST)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
01189     }
01190   }
01191 
01192   virtual void SetStringParameters(int widget) const
01193   {
01194     if (widget == BRSW_SHOW_NEWST_TYPE) {
01195       const StationSpec *statspec = StationClass::Get(_railstation.station_class, _railstation.station_type);
01196       SetDParam(0, (statspec != NULL && statspec->name != 0) ? statspec->name : STR_STATION_CLASS_DFLT);
01197     }
01198   }
01199 
01200   virtual void OnClick(Point pt, int widget, int click_count)
01201   {
01202     switch (GB(widget, 0, 16)) {
01203       case BRSW_PLATFORM_DIR_X:
01204       case BRSW_PLATFORM_DIR_Y:
01205         this->RaiseWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
01206         _railstation.orientation = (Axis)(widget - BRSW_PLATFORM_DIR_X);
01207         this->LowerWidget(_railstation.orientation + BRSW_PLATFORM_DIR_X);
01208         SndPlayFx(SND_15_BEEP);
01209         this->SetDirty();
01210         DeleteWindowById(WC_SELECT_STATION, 0);
01211         break;
01212 
01213       case BRSW_PLATFORM_NUM_1:
01214       case BRSW_PLATFORM_NUM_2:
01215       case BRSW_PLATFORM_NUM_3:
01216       case BRSW_PLATFORM_NUM_4:
01217       case BRSW_PLATFORM_NUM_5:
01218       case BRSW_PLATFORM_NUM_6:
01219       case BRSW_PLATFORM_NUM_7: {
01220         this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01221         this->RaiseWidget(BRSW_PLATFORM_DRAG_N_DROP);
01222 
01223         _settings_client.gui.station_numtracks = widget - BRSW_PLATFORM_NUM_BEGIN;
01224         _settings_client.gui.station_dragdrop = false;
01225 
01226         _settings_client.gui.station_dragdrop = false;
01227 
01228         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01229         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01230           /* The previously selected number of platforms in invalid */
01231           for (uint i = 0; i < 7; i++) {
01232             if (!HasBit(statspec->disallowed_lengths, i)) {
01233               this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01234               _settings_client.gui.station_platlength = i + 1;
01235               break;
01236             }
01237           }
01238         }
01239 
01240         this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01241         this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01242         SndPlayFx(SND_15_BEEP);
01243         this->SetDirty();
01244         DeleteWindowById(WC_SELECT_STATION, 0);
01245         break;
01246       }
01247 
01248       case BRSW_PLATFORM_LEN_1:
01249       case BRSW_PLATFORM_LEN_2:
01250       case BRSW_PLATFORM_LEN_3:
01251       case BRSW_PLATFORM_LEN_4:
01252       case BRSW_PLATFORM_LEN_5:
01253       case BRSW_PLATFORM_LEN_6:
01254       case BRSW_PLATFORM_LEN_7: {
01255         this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01256         this->RaiseWidget(BRSW_PLATFORM_DRAG_N_DROP);
01257 
01258         _settings_client.gui.station_platlength = widget - BRSW_PLATFORM_LEN_BEGIN;
01259         _settings_client.gui.station_dragdrop = false;
01260 
01261         _settings_client.gui.station_dragdrop = false;
01262 
01263         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01264         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01265           /* The previously selected number of tracks in invalid */
01266           for (uint i = 0; i < 7; i++) {
01267             if (!HasBit(statspec->disallowed_platforms, i)) {
01268               this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01269               _settings_client.gui.station_numtracks = i + 1;
01270               break;
01271             }
01272           }
01273         }
01274 
01275         this->LowerWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01276         this->LowerWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01277         SndPlayFx(SND_15_BEEP);
01278         this->SetDirty();
01279         DeleteWindowById(WC_SELECT_STATION, 0);
01280         break;
01281       }
01282 
01283       case BRSW_PLATFORM_DRAG_N_DROP: {
01284         _settings_client.gui.station_dragdrop ^= true;
01285 
01286         this->ToggleWidgetLoweredState(BRSW_PLATFORM_DRAG_N_DROP);
01287 
01288         /* get the first allowed length/number of platforms */
01289         const StationSpec *statspec = _railstation.newstations ? StationClass::Get(_railstation.station_class, _railstation.station_type) : NULL;
01290         if (statspec != NULL && HasBit(statspec->disallowed_lengths, _settings_client.gui.station_platlength - 1)) {
01291           for (uint i = 0; i < 7; i++) {
01292             if (!HasBit(statspec->disallowed_lengths, i)) {
01293               this->RaiseWidget(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN);
01294               _settings_client.gui.station_platlength = i + 1;
01295               break;
01296             }
01297           }
01298         }
01299         if (statspec != NULL && HasBit(statspec->disallowed_platforms, _settings_client.gui.station_numtracks - 1)) {
01300           for (uint i = 0; i < 7; i++) {
01301             if (!HasBit(statspec->disallowed_platforms, i)) {
01302               this->RaiseWidget(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN);
01303               _settings_client.gui.station_numtracks = i + 1;
01304               break;
01305             }
01306           }
01307         }
01308 
01309         this->SetWidgetLoweredState(_settings_client.gui.station_numtracks + BRSW_PLATFORM_NUM_BEGIN, !_settings_client.gui.station_dragdrop);
01310         this->SetWidgetLoweredState(_settings_client.gui.station_platlength + BRSW_PLATFORM_LEN_BEGIN, !_settings_client.gui.station_dragdrop);
01311         SndPlayFx(SND_15_BEEP);
01312         this->SetDirty();
01313         DeleteWindowById(WC_SELECT_STATION, 0);
01314         break;
01315       }
01316 
01317       case BRSW_HIGHLIGHT_OFF:
01318       case BRSW_HIGHLIGHT_ON:
01319         _settings_client.gui.station_show_coverage = (widget != BRSW_HIGHLIGHT_OFF);
01320 
01321         this->SetWidgetLoweredState(BRSW_HIGHLIGHT_OFF, !_settings_client.gui.station_show_coverage);
01322         this->SetWidgetLoweredState(BRSW_HIGHLIGHT_ON, _settings_client.gui.station_show_coverage);
01323         SndPlayFx(SND_15_BEEP);
01324         this->SetDirty();
01325         break;
01326 
01327       case BRSW_NEWST_LIST: {
01328         int y = this->vscroll->GetScrolledRowFromWidget(pt.y, this, BRSW_NEWST_LIST, 0, this->line_height);
01329         if (y >= (int)StationClass::GetCount()) return;
01330         for (uint i = 0; i < StationClass::GetCount(); i++) {
01331           if (i == STAT_CLASS_WAYP) continue;
01332           if (y == 0) {
01333             if (_railstation.station_class != (StationClassID)i) {
01334               _railstation.station_class = (StationClassID)i;
01335               _railstation.station_count = StationClass::GetCount(_railstation.station_class);
01336               _railstation.station_type  = min((int)_railstation.station_type, max(0, (int)_railstation.station_count - 1));
01337 
01338               this->CheckSelectedSize(StationClass::Get(_railstation.station_class, _railstation.station_type));
01339 
01340               NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(BRSW_MATRIX);
01341               matrix->SetCount(_railstation.station_count);
01342               matrix->SetClicked(_railstation.station_type);
01343             }
01344             SndPlayFx(SND_15_BEEP);
01345             this->SetDirty();
01346             DeleteWindowById(WC_SELECT_STATION, 0);
01347             break;
01348           }
01349           y--;
01350         }
01351         break;
01352       }
01353 
01354       case BRSW_IMAGE: {
01355         int y = GB(widget, 16, 16);
01356         if (y >= _railstation.station_count) return;
01357 
01358         /* Check station availability callback */
01359         const StationSpec *statspec = StationClass::Get(_railstation.station_class, y);
01360         if (statspec != NULL && HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01361             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) return;
01362 
01363         _railstation.station_type = y;
01364 
01365         this->CheckSelectedSize(statspec);
01366         this->GetWidget<NWidgetMatrix>(BRSW_MATRIX)->SetClicked(_railstation.station_type);
01367 
01368         SndPlayFx(SND_15_BEEP);
01369         this->SetDirty();
01370         DeleteWindowById(WC_SELECT_STATION, 0);
01371         break;
01372       }
01373     }
01374   }
01375 
01376   virtual void OnTick()
01377   {
01378     CheckRedrawStationCoverage(this);
01379   }
01380 };
01381 
01382 static const NWidgetPart _nested_station_builder_widgets[] = {
01383   NWidget(NWID_HORIZONTAL),
01384     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01385     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_STATION_BUILD_RAIL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01386   EndContainer(),
01387   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01388     NWidget(NWID_HORIZONTAL),
01389       NWidget(NWID_VERTICAL),
01390         NWidget(NWID_SELECTION, INVALID_COLOUR, BRSW_SHOW_NEWST_ADDITIONS),
01391           NWidget(NWID_HORIZONTAL), SetPIP(7, 0, 7), SetPadding(2, 0, 1, 0),
01392             NWidget(WWT_MATRIX, COLOUR_GREY, BRSW_NEWST_LIST), SetMinimalSize(122, 71), SetFill(1, 0),
01393                 SetDataTip(0x501, STR_STATION_BUILD_STATION_CLASS_TOOLTIP), SetScrollbar(BRSW_NEWST_SCROLL),
01394             NWidget(NWID_VSCROLLBAR, COLOUR_GREY, BRSW_NEWST_SCROLL),
01395           EndContainer(),
01396         EndContainer(),
01397         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_ORIENTATION, STR_NULL), SetPadding(1, 2, 0, 2),
01398         NWidget(NWID_HORIZONTAL),
01399           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01400           NWidget(WWT_PANEL, COLOUR_GREY, BRSW_PLATFORM_DIR_X), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01401           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01402           NWidget(WWT_PANEL, COLOUR_GREY, BRSW_PLATFORM_DIR_Y), SetMinimalSize(66, 48), SetFill(0, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(),
01403           NWidget(NWID_SPACER), SetMinimalSize(7, 0), SetFill(1, 0),
01404         EndContainer(),
01405         NWidget(WWT_LABEL, COLOUR_DARK_GREEN, BRSW_SHOW_NEWST_TYPE), SetMinimalSize(144, 11), SetDataTip(STR_ORANGE_STRING, STR_NULL), SetPadding(1, 2, 4, 2),
01406         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_NUMBER_OF_TRACKS, STR_NULL), SetPadding(0, 2, 0, 2),
01407         NWidget(NWID_HORIZONTAL),
01408           NWidget(NWID_SPACER), SetFill(1, 0),
01409           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01410           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01411           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01412           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01413           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01414           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01415           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_NUM_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_NUMBER_OF_TRACKS_TOOLTIP),
01416           NWidget(NWID_SPACER), SetFill(1, 0),
01417         EndContainer(),
01418         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_PLATFORM_LENGTH, STR_NULL), SetPadding(2, 2, 0, 2),
01419         NWidget(NWID_HORIZONTAL),
01420           NWidget(NWID_SPACER), SetFill(1, 0),
01421           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_1), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_1, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01422           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_2), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_2, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01423           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_3), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_3, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01424           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_4), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_4, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01425           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_5), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_5, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01426           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_6), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_6, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01427           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_PLATFORM_LEN_7), SetMinimalSize(15, 12), SetDataTip(STR_BLACK_7, STR_STATION_BUILD_PLATFORM_LENGTH_TOOLTIP),
01428           NWidget(NWID_SPACER), SetFill(1, 0),
01429         EndContainer(),
01430         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01431         NWidget(NWID_HORIZONTAL),
01432           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01433           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),
01434           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01435         EndContainer(),
01436         NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetMinimalSize(144, 11), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL), SetPadding(3, 2, 0, 2),
01437         NWidget(NWID_HORIZONTAL),
01438           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01439           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_HIGHLIGHT_OFF), SetMinimalSize(60, 12),
01440                         SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
01441           NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_HIGHLIGHT_ON), SetMinimalSize(60, 12),
01442                         SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
01443           NWidget(NWID_SPACER), SetMinimalSize(2, 0), SetFill(1, 0),
01444         EndContainer(),
01445       EndContainer(),
01446       NWidget(NWID_SELECTION, INVALID_COLOUR, BRSW_SHOW_NEWST_MATRIX),
01447         /* We need an additional background for the matrix, as the matrix cannot handle the scrollbar due to not being an NWidgetCore. */
01448         NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetScrollbar(BRSW_MATRIX_SCROLL),
01449           NWidget(NWID_HORIZONTAL),
01450             NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, BRSW_MATRIX), SetScrollbar(BRSW_MATRIX_SCROLL), SetPIP(0, 2, 0), SetPadding(2, 0, 0, 0),
01451               NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRSW_IMAGE), SetMinimalSize(66, 60),
01452                   SetFill(0, 0), SetResize(0, 0), SetDataTip(0x0, STR_STATION_BUILD_STATION_TYPE_TOOLTIP), SetScrollbar(BRSW_MATRIX_SCROLL),
01453               EndContainer(),
01454             EndContainer(),
01455             NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, BRSW_MATRIX_SCROLL),
01456           EndContainer(),
01457         EndContainer(),
01458       EndContainer(),
01459     EndContainer(),
01460     NWidget(NWID_HORIZONTAL),
01461       NWidget(WWT_EMPTY, INVALID_COLOUR, BRSW_COVERAGE_TEXTS), SetFill(1, 1), SetResize(1, 0),
01462       NWidget(NWID_SELECTION, INVALID_COLOUR, BRSW_SHOW_NEWST_RESIZE),
01463         NWidget(NWID_VERTICAL),
01464           NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(0, 1), EndContainer(),
01465           NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01466         EndContainer(),
01467       EndContainer(),
01468     EndContainer(),
01469   EndContainer(),
01470 };
01471 
01473 static const WindowDesc _station_builder_desc(
01474   WDP_AUTO, 350, 0,
01475   WC_BUILD_STATION, WC_BUILD_TOOLBAR,
01476   WDF_CONSTRUCTION,
01477   _nested_station_builder_widgets, lengthof(_nested_station_builder_widgets)
01478 );
01479 
01481 static void ShowStationBuilder(Window *parent)
01482 {
01483   bool newstations = StationClass::GetCount() > 2 || StationClass::GetCount(STAT_CLASS_DFLT) != 1;
01484   new BuildRailStationWindow(&_station_builder_desc, parent, newstations);
01485 }
01486 
01488 enum BuildSignalWidgets {
01489   BSW_SEMAPHORE_NORM,
01490   BSW_SEMAPHORE_ENTRY,
01491   BSW_SEMAPHORE_EXIT,
01492   BSW_SEMAPHORE_COMBO,
01493   BSW_SEMAPHORE_PBS,
01494   BSW_SEMAPHORE_PBS_OWAY,
01495   BSW_ELECTRIC_NORM,
01496   BSW_ELECTRIC_ENTRY,
01497   BSW_ELECTRIC_EXIT,
01498   BSW_ELECTRIC_COMBO,
01499   BSW_ELECTRIC_PBS,
01500   BSW_ELECTRIC_PBS_OWAY,
01501   BSW_CONVERT,
01502   BSW_DRAG_SIGNALS_DENSITY,
01503   BSW_DRAG_SIGNALS_DENSITY_LABEL,
01504   BSW_DRAG_SIGNALS_DENSITY_DECREASE,
01505   BSW_DRAG_SIGNALS_DENSITY_INCREASE,
01506 };
01507 
01508 struct BuildSignalWindow : public PickerWindowBase {
01509 private:
01517   void DrawSignalSprite(byte widget_index, SpriteID image) const
01518   {
01519     /* First get the right image, which is one later for 'green' signals. */
01520     image += this->IsWidgetLowered(widget_index);
01521 
01522     /* Next get the actual sprite so we can calculate the right offsets. */
01523     const Sprite *sprite = GetSprite(image, ST_NORMAL);
01524 
01525     /* For the x offset we want the sprite to be centered, so undo the offset
01526      * for sprite drawing and add half of the sprite's width. For the y offset
01527      * we want the sprite to be aligned on the bottom, so again we undo the
01528      * offset for sprite drawing and assume it is the bottom of the sprite. */
01529     int sprite_center_x_offset = sprite->x_offs + sprite->width / 2;
01530     int sprite_bottom_y_offset = sprite->height + sprite->y_offs;
01531 
01532     /* Next we want to know where on the window to draw. Calculate the center
01533      * and the bottom of the area to draw. */
01534     const NWidgetBase *widget = this->GetWidget<NWidgetBase>(widget_index);
01535     int widget_center_x = widget->pos_x + widget->current_x / 2;
01536     int widget_bottom_y = widget->pos_y + widget->current_y - 2;
01537 
01538     /* Finally we draw the signal. */
01539     DrawSprite(image, PAL_NONE,
01540         widget_center_x - sprite_center_x_offset + this->IsWidgetLowered(widget_index),
01541         widget_bottom_y - sprite_bottom_y_offset + this->IsWidgetLowered(widget_index));
01542   }
01543 
01544 public:
01545   BuildSignalWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01546   {
01547     this->InitNested(desc, TRANSPORT_RAIL);
01548     this->OnInvalidateData();
01549   }
01550 
01551   virtual void SetStringParameters(int widget) const
01552   {
01553     switch (widget) {
01554       case BSW_DRAG_SIGNALS_DENSITY_LABEL:
01555         SetDParam(0, _settings_client.gui.drag_signals_density);
01556         break;
01557     }
01558   }
01559 
01560   virtual void DrawWidget(const Rect &r, int widget) const
01561   {
01562     if (IsInsideMM(widget, BSW_SEMAPHORE_NORM, BSW_ELECTRIC_PBS_OWAY + 1)) {
01563       /* We need to do some custom sprite widget drawing for the signals. */
01564       const SpriteID _signal_lookup[] = {
01565         SPR_IMG_SIGNAL_SEMAPHORE_NORM,  SPR_IMG_SIGNAL_SEMAPHORE_ENTRY, SPR_IMG_SIGNAL_SEMAPHORE_EXIT,
01566         SPR_IMG_SIGNAL_SEMAPHORE_COMBO, SPR_IMG_SIGNAL_SEMAPHORE_PBS,   SPR_IMG_SIGNAL_SEMAPHORE_PBS_OWAY,
01567 
01568         SPR_IMG_SIGNAL_ELECTRIC_NORM,  SPR_IMG_SIGNAL_ELECTRIC_ENTRY, SPR_IMG_SIGNAL_ELECTRIC_EXIT,
01569         SPR_IMG_SIGNAL_ELECTRIC_COMBO, SPR_IMG_SIGNAL_ELECTRIC_PBS,   SPR_IMG_SIGNAL_ELECTRIC_PBS_OWAY
01570       };
01571 
01572       this->DrawSignalSprite(widget, _signal_lookup[widget - BSW_SEMAPHORE_NORM]);
01573     }
01574   }
01575 
01576   virtual void OnClick(Point pt, int widget, int click_count)
01577   {
01578     switch (widget) {
01579       case BSW_SEMAPHORE_NORM:
01580       case BSW_SEMAPHORE_ENTRY:
01581       case BSW_SEMAPHORE_EXIT:
01582       case BSW_SEMAPHORE_COMBO:
01583       case BSW_SEMAPHORE_PBS:
01584       case BSW_SEMAPHORE_PBS_OWAY:
01585       case BSW_ELECTRIC_NORM:
01586       case BSW_ELECTRIC_ENTRY:
01587       case BSW_ELECTRIC_EXIT:
01588       case BSW_ELECTRIC_COMBO:
01589       case BSW_ELECTRIC_PBS:
01590       case BSW_ELECTRIC_PBS_OWAY:
01591         this->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01592 
01593         _cur_signal_type = (SignalType)((uint)((widget - BSW_SEMAPHORE_NORM) % (SIGTYPE_LAST + 1)));
01594         _cur_signal_variant = widget >= BSW_ELECTRIC_NORM ? SIG_ELECTRIC : SIG_SEMAPHORE;
01595         break;
01596 
01597       case BSW_CONVERT:
01598         _convert_signal_button = !_convert_signal_button;
01599         break;
01600 
01601       case BSW_DRAG_SIGNALS_DENSITY_DECREASE:
01602         if (_settings_client.gui.drag_signals_density > 1) {
01603           _settings_client.gui.drag_signals_density--;
01604           SetWindowDirty(WC_GAME_OPTIONS, 0);
01605         }
01606         break;
01607 
01608       case BSW_DRAG_SIGNALS_DENSITY_INCREASE:
01609         if (_settings_client.gui.drag_signals_density < 20) {
01610           _settings_client.gui.drag_signals_density++;
01611           SetWindowDirty(WC_GAME_OPTIONS, 0);
01612         }
01613         break;
01614 
01615       default: break;
01616     }
01617 
01618     this->InvalidateData();
01619   }
01620 
01621   virtual void OnInvalidateData(int data = 0)
01622   {
01623     this->LowerWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01624 
01625     this->SetWidgetLoweredState(BSW_CONVERT, _convert_signal_button);
01626 
01627     this->SetWidgetDisabledState(BSW_DRAG_SIGNALS_DENSITY_DECREASE, _settings_client.gui.drag_signals_density == 1);
01628     this->SetWidgetDisabledState(BSW_DRAG_SIGNALS_DENSITY_INCREASE, _settings_client.gui.drag_signals_density == 20);
01629   }
01630 };
01631 
01633 static const NWidgetPart _nested_signal_builder_widgets[] = {
01634   NWidget(NWID_HORIZONTAL),
01635     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01636     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_SIGNAL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01637   EndContainer(),
01638   NWidget(NWID_VERTICAL, NC_EQUALSIZE),
01639     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01640       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01641       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01642       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01643       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01644       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01645       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_SEMAPHORE_PBS_OWAY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_SEMAPHORE_PBS_OWAY_TOOLTIP), EndContainer(), SetFill(1, 1),
01646       NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, BSW_CONVERT), SetDataTip(SPR_IMG_SIGNAL_CONVERT, STR_BUILD_SIGNAL_CONVERT_TOOLTIP), SetFill(1, 1),
01647     EndContainer(),
01648     NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
01649       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_NORM), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_NORM_TOOLTIP), EndContainer(), SetFill(1, 1),
01650       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_ENTRY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_ENTRY_TOOLTIP), EndContainer(), SetFill(1, 1),
01651       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_EXIT), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_EXIT_TOOLTIP), EndContainer(), SetFill(1, 1),
01652       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_COMBO), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_COMBO_TOOLTIP), EndContainer(), SetFill(1, 1),
01653       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_PBS), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_TOOLTIP), EndContainer(), SetFill(1, 1),
01654       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_ELECTRIC_PBS_OWAY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_ELECTRIC_PBS_OWAY_TOOLTIP), EndContainer(), SetFill(1, 1),
01655       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BSW_DRAG_SIGNALS_DENSITY), SetDataTip(STR_NULL, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP), SetFill(1, 1),
01656         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),
01657         NWidget(NWID_HORIZONTAL), SetPIP(2, 0, 2),
01658           NWidget(NWID_SPACER), SetFill(1, 0),
01659           NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, BSW_DRAG_SIGNALS_DENSITY_DECREASE), SetMinimalSize(9, 12), SetDataTip(AWV_DECREASE, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_DECREASE_TOOLTIP),
01660           NWidget(WWT_PUSHARROWBTN, COLOUR_GREY, BSW_DRAG_SIGNALS_DENSITY_INCREASE), SetMinimalSize(9, 12), SetDataTip(AWV_INCREASE, STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_INCREASE_TOOLTIP),
01661           NWidget(NWID_SPACER), SetFill(1, 0),
01662         EndContainer(),
01663         NWidget(NWID_SPACER), SetMinimalSize(0, 2), SetFill(1, 0),
01664       EndContainer(),
01665     EndContainer(),
01666   EndContainer(),
01667 };
01668 
01670 static const WindowDesc _signal_builder_desc(
01671   WDP_AUTO, 0, 0,
01672   WC_BUILD_SIGNAL, WC_BUILD_TOOLBAR,
01673   WDF_UNCLICK_BUTTONS | WDF_CONSTRUCTION,
01674   _nested_signal_builder_widgets, lengthof(_nested_signal_builder_widgets)
01675 );
01676 
01680 static void ShowSignalBuilder(Window *parent)
01681 {
01682   new BuildSignalWindow(&_signal_builder_desc, parent);
01683 }
01684 
01686 enum BuildRailDepotWidgets {
01687   BRDW_DEPOT_NE,
01688   BRDW_DEPOT_SE,
01689   BRDW_DEPOT_SW,
01690   BRDW_DEPOT_NW,
01691 };
01692 
01693 struct BuildRailDepotWindow : public PickerWindowBase {
01694   BuildRailDepotWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01695   {
01696     this->InitNested(desc, TRANSPORT_RAIL);
01697     this->LowerWidget(_build_depot_direction + BRDW_DEPOT_NE);
01698   }
01699 
01700   virtual void DrawWidget(const Rect &r, int widget) const
01701   {
01702     if (!IsInsideMM(widget, BRDW_DEPOT_NE, BRDW_DEPOT_NW + 1)) return;
01703 
01704     DrawTrainDepotSprite(r.left - 1, r.top, widget - BRDW_DEPOT_NE + DIAGDIR_NE, _cur_railtype);
01705   }
01706 
01707   virtual void OnClick(Point pt, int widget, int click_count)
01708   {
01709     switch (widget) {
01710       case BRDW_DEPOT_NE:
01711       case BRDW_DEPOT_SE:
01712       case BRDW_DEPOT_SW:
01713       case BRDW_DEPOT_NW:
01714         this->RaiseWidget(_build_depot_direction + BRDW_DEPOT_NE);
01715         _build_depot_direction = (DiagDirection)(widget - BRDW_DEPOT_NE);
01716         this->LowerWidget(_build_depot_direction + BRDW_DEPOT_NE);
01717         SndPlayFx(SND_15_BEEP);
01718         this->SetDirty();
01719         break;
01720     }
01721   }
01722 };
01723 
01725 static const NWidgetPart _nested_build_depot_widgets[] = {
01726   NWidget(NWID_HORIZONTAL),
01727     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01728     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_BUILD_DEPOT_TRAIN_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01729   EndContainer(),
01730   NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
01731     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01732     NWidget(NWID_HORIZONTAL_LTR),
01733       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01734       NWidget(NWID_VERTICAL),
01735         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01736         EndContainer(),
01737         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01738         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01739         EndContainer(),
01740       EndContainer(),
01741       NWidget(NWID_SPACER), SetMinimalSize(2, 0),
01742       NWidget(NWID_VERTICAL),
01743         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01744         EndContainer(),
01745         NWidget(NWID_SPACER), SetMinimalSize(0, 2),
01746         NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_TRAIN_ORIENTATION_TOOLTIP),
01747         EndContainer(),
01748       EndContainer(),
01749       NWidget(NWID_SPACER), SetMinimalSize(3, 0), SetFill(1, 0),
01750     EndContainer(),
01751     NWidget(NWID_SPACER), SetMinimalSize(0, 3),
01752   EndContainer(),
01753 };
01754 
01755 static const WindowDesc _build_depot_desc(
01756   WDP_AUTO, 0, 0,
01757   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01758   WDF_CONSTRUCTION,
01759   _nested_build_depot_widgets, lengthof(_nested_build_depot_widgets)
01760 );
01761 
01762 static void ShowBuildTrainDepotPicker(Window *parent)
01763 {
01764   new BuildRailDepotWindow(&_build_depot_desc, parent);
01765 }
01766 
01768 enum BuildRailWaypointWidgets {
01769   BRWW_WAYPOINT_MATRIX,
01770   BRWW_WAYPOINT,
01771   BRWW_SCROLL,
01772 };
01773 
01774 struct BuildRailWaypointWindow : PickerWindowBase {
01775   BuildRailWaypointWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
01776   {
01777     this->CreateNestedTree(desc);
01778 
01779     NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX);
01780     matrix->SetScrollbar(this->GetScrollbar(BRWW_SCROLL));
01781 
01782     this->FinishInitNested(desc, TRANSPORT_RAIL);
01783 
01784     matrix->SetCount(_waypoint_count);
01785     matrix->SetClicked(_cur_waypoint_type);
01786   }
01787 
01788   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01789   {
01790     switch (widget) {
01791       case BRWW_WAYPOINT_MATRIX:
01792         /* Three blobs high and wide. */
01793         size->width  += resize->width  * 2;
01794         size->height += resize->height * 2;
01795 
01796         /* Resizing in X direction only at blob size, but at pixel level in Y. */
01797         resize->height = 1;
01798         break;
01799     }
01800   }
01801 
01802   virtual void DrawWidget(const Rect &r, int widget) const
01803   {
01804     switch (GB(widget, 0, 16)) {
01805       case BRWW_WAYPOINT: {
01806         byte type = GB(widget, 16, 16);
01807         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, type);
01808         DrawWaypointSprite(r.left + TILE_PIXELS, r.bottom - TILE_PIXELS, type, _cur_railtype);
01809 
01810         if (statspec != NULL &&
01811             HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01812             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) {
01813           GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, 0, FILLRECT_CHECKER);
01814         }
01815       }
01816     }
01817   }
01818 
01819   virtual void OnClick(Point pt, int widget, int click_count)
01820   {
01821     switch (GB(widget, 0, 16)) {
01822       case BRWW_WAYPOINT: {
01823         byte type = GB(widget, 16, 16);
01824         this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01825 
01826         /* Check station availability callback */
01827         const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, type);
01828         if (statspec != NULL &&
01829             HasBit(statspec->callback_mask, CBM_STATION_AVAIL) &&
01830             GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) return;
01831 
01832         _cur_waypoint_type = type;
01833         this->GetWidget<NWidgetMatrix>(BRWW_WAYPOINT_MATRIX)->SetClicked(_cur_waypoint_type);
01834         SndPlayFx(SND_15_BEEP);
01835         this->SetDirty();
01836         break;
01837       }
01838     }
01839   }
01840 };
01841 
01843 static const NWidgetPart _nested_build_waypoint_widgets[] = {
01844   NWidget(NWID_HORIZONTAL),
01845     NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
01846     NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_WAYPOINT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01847   EndContainer(),
01848   NWidget(NWID_HORIZONTAL),
01849     NWidget(NWID_MATRIX, COLOUR_DARK_GREEN, BRWW_WAYPOINT_MATRIX), SetPIP(3, 2, 3), SetScrollbar(BRWW_SCROLL),
01850       NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRWW_WAYPOINT), SetMinimalSize(66, 60), SetDataTip(0x0, STR_WAYPOINT_GRAPHICS_TOOLTIP), EndContainer(),
01851     EndContainer(),
01852     NWidget(NWID_VERTICAL),
01853       NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, BRWW_SCROLL),
01854       NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
01855     EndContainer(),
01856   EndContainer(),
01857 };
01858 
01859 static const WindowDesc _build_waypoint_desc(
01860   WDP_AUTO, 0, 0,
01861   WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
01862   WDF_CONSTRUCTION,
01863   _nested_build_waypoint_widgets, lengthof(_nested_build_waypoint_widgets)
01864 );
01865 
01866 static void ShowBuildWaypointPicker(Window *parent)
01867 {
01868   new BuildRailWaypointWindow(&_build_waypoint_desc, parent);
01869 }
01870 
01874 void InitializeRailGui()
01875 {
01876   _build_depot_direction = DIAGDIR_NW;
01877 }
01878 
01883 void ReinitGuiAfterToggleElrail(bool disable)
01884 {
01885   extern RailType _last_built_railtype;
01886   if (disable && _last_built_railtype == RAILTYPE_ELECTRIC) {
01887     _last_built_railtype = _cur_railtype = RAILTYPE_RAIL;
01888     BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01889     if (w != NULL) w->ModifyRailType(_cur_railtype);
01890   }
01891   MarkWholeScreenDirty();
01892 }
01893 
01895 static void SetDefaultRailGui()
01896 {
01897   if (_local_company == COMPANY_SPECTATOR || !Company::IsValidID(_local_company)) return;
01898 
01899   extern RailType _last_built_railtype;
01900   RailType rt = (RailType)(_settings_client.gui.default_rail_type + RAILTYPE_END);
01901   if (rt == DEF_RAILTYPE_MOST_USED) {
01902     /* Find the most used rail type */
01903     RailType count[RAILTYPE_END];
01904     memset(count, 0, sizeof(count));
01905     for (TileIndex t = 0; t < MapSize(); t++) {
01906       if (IsTileType(t, MP_RAILWAY) || IsLevelCrossingTile(t) || HasStationTileRail(t) ||
01907           (IsTileType(t, MP_TUNNELBRIDGE) && GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL)) {
01908         count[GetRailType(t)]++;
01909       }
01910     }
01911 
01912     rt = RAILTYPE_RAIL;
01913     for (RailType r = RAILTYPE_ELECTRIC; r < RAILTYPE_END; r++) {
01914       if (count[r] >= count[rt]) rt = r;
01915     }
01916 
01917     /* No rail, just get the first available one */
01918     if (count[rt] == 0) rt = DEF_RAILTYPE_FIRST;
01919   }
01920   switch (rt) {
01921     case DEF_RAILTYPE_FIRST:
01922       rt = RAILTYPE_RAIL;
01923       while (rt < RAILTYPE_END && !HasRailtypeAvail(_local_company, rt)) rt++;
01924       break;
01925 
01926     case DEF_RAILTYPE_LAST:
01927       rt = GetBestRailtype(_local_company);
01928       break;
01929 
01930     default:
01931       break;
01932   }
01933 
01934   _last_built_railtype = _cur_railtype = rt;
01935   BuildRailToolbarWindow *w = dynamic_cast<BuildRailToolbarWindow *>(FindWindowById(WC_BUILD_TOOLBAR, TRANSPORT_RAIL));
01936   if (w != NULL) w->ModifyRailType(_cur_railtype);
01937 }
01938 
01945 bool ResetSignalVariant(int32 p = 0)
01946 {
01947   SignalVariant new_variant = (_cur_year < _settings_client.gui.semaphore_build_before ? SIG_SEMAPHORE : SIG_ELECTRIC);
01948 
01949   if (new_variant != _cur_signal_variant) {
01950     Window *w = FindWindowById(WC_BUILD_SIGNAL, 0);
01951     if (w != NULL) {
01952       w->SetDirty();
01953       w->RaiseWidget((_cur_signal_variant == SIG_ELECTRIC ? BSW_ELECTRIC_NORM : BSW_SEMAPHORE_NORM) + _cur_signal_type);
01954     }
01955     _cur_signal_variant = new_variant;
01956   }
01957 
01958   return true;
01959 }
01960 
01965 void InitializeRailGUI()
01966 {
01967   SetDefaultRailGui();
01968 
01969   _convert_signal_button = false;
01970   _cur_signal_type = _default_signal_type[_settings_client.gui.default_signal_type];
01971   ResetSignalVariant();
01972 }
01973 
01980 static bool CompareRailTypes(const DropDownListItem *first, const DropDownListItem *second)
01981 {
01982   return GetRailTypeInfo((RailType)first->result)->sorting_order < GetRailTypeInfo((RailType)second->result)->sorting_order;
01983 }
01984 
01990 DropDownList *GetRailTypeDropDownList(bool for_replacement)
01991 {
01992   RailTypes used_railtypes = RAILTYPES_NONE;
01993 
01994   /* Find the used railtypes. */
01995   Engine *e;
01996   FOR_ALL_ENGINES_OF_TYPE(e, VEH_TRAIN) {
01997     if (!HasBit(e->info.climates, _settings_game.game_creation.landscape)) continue;
01998 
01999     used_railtypes |= GetRailTypeInfo(e->u.rail.railtype)->introduces_railtypes;
02000   }
02001 
02002   /* Get the date introduced railtypes as well. */
02003   used_railtypes = AddDateIntroducedRailTypes(used_railtypes, MAX_DAY);
02004 
02005   const Company *c = Company::Get(_local_company);
02006   DropDownList *list = new DropDownList();
02007   for (RailType rt = RAILTYPE_BEGIN; rt != RAILTYPE_END; rt++) {
02008     /* If it's not used ever, don't show it to the user. */
02009     if (!HasBit(used_railtypes, rt)) continue;
02010 
02011     const RailtypeInfo *rti = GetRailTypeInfo(rt);
02012     /* Skip rail type if it has no label */
02013     if (rti->label == 0) continue;
02014 
02015     StringID str = for_replacement ? rti->strings.replace_text : (rti->max_speed > 0 ? STR_TOOLBAR_RAILTYPE_VELOCITY : STR_JUST_STRING);
02016     DropDownListParamStringItem *item = new DropDownListParamStringItem(str, rt, !HasBit(c->avail_railtypes, rt));
02017     item->SetParam(0, rti->strings.menu_text);
02018     item->SetParam(1, rti->max_speed);
02019     list->push_back(item);
02020   }
02021   list->sort(CompareRailTypes);
02022   return list;
02023 }

Generated on Thu Jan 20 22:57:39 2011 for OpenTTD by  doxygen 1.6.1