settings_gui.cpp

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00001 /* $Id$ */
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 "currency.h"
00014 #include "gui.h"
00015 #include "textbuf_gui.h"
00016 #include "command_func.h"
00017 #include "screenshot.h"
00018 #include "network/network.h"
00019 #include "town.h"
00020 #include "settings_internal.h"
00021 #include "newgrf_townname.h"
00022 #include "strings_func.h"
00023 #include "window_func.h"
00024 #include "string_func.h"
00025 #include "widgets/dropdown_type.h"
00026 #include "widgets/dropdown_func.h"
00027 #include "highscore.h"
00028 #include "base_media_base.h"
00029 #include "company_base.h"
00030 #include "company_func.h"
00031 #include "viewport_func.h"
00032 #include "core/geometry_func.hpp"
00033 #include "ai/ai.hpp"
00034 #include "language.h"
00035 
00036 #include "table/sprites.h"
00037 #include "table/strings.h"
00038 #include <map>
00039 
00040 static const StringID _units_dropdown[] = {
00041   STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL,
00042   STR_GAME_OPTIONS_MEASURING_UNITS_METRIC,
00043   STR_GAME_OPTIONS_MEASURING_UNITS_SI,
00044   INVALID_STRING_ID
00045 };
00046 
00047 static const StringID _driveside_dropdown[] = {
00048   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT,
00049   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_RIGHT,
00050   INVALID_STRING_ID
00051 };
00052 
00053 static const StringID _autosave_dropdown[] = {
00054   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_OFF,
00055   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_1_MONTH,
00056   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_3_MONTHS,
00057   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_6_MONTHS,
00058   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_12_MONTHS,
00059   INVALID_STRING_ID,
00060 };
00061 
00062 int _nb_orig_names = SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1; 
00063 static StringID *_grf_names = NULL; 
00064 static int _nb_grf_names = 0;       
00065 
00067 void InitGRFTownGeneratorNames()
00068 {
00069   free(_grf_names);
00070   _grf_names = GetGRFTownNameList();
00071   _nb_grf_names = 0;
00072   for (StringID *s = _grf_names; *s != INVALID_STRING_ID; s++) _nb_grf_names++;
00073 }
00074 
00080 static inline StringID TownName(int town_name)
00081 {
00082   if (town_name < _nb_orig_names) return STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + town_name;
00083   town_name -= _nb_orig_names;
00084   if (town_name < _nb_grf_names) return _grf_names[town_name];
00085   return STR_UNDEFINED;
00086 }
00087 
00092 static int GetCurRes()
00093 {
00094   int i;
00095 
00096   for (i = 0; i != _num_resolutions; i++) {
00097     if ((int)_resolutions[i].width == _screen.width &&
00098         (int)_resolutions[i].height == _screen.height) {
00099       break;
00100     }
00101   }
00102   return i;
00103 }
00104 
00106 enum GameOptionsWidgets {
00107   GOW_BACKGROUND,             
00108   GOW_CURRENCY_DROPDOWN,      
00109   GOW_DISTANCE_DROPDOWN,      
00110   GOW_ROADSIDE_DROPDOWN,      
00111   GOW_TOWNNAME_DROPDOWN,      
00112   GOW_AUTOSAVE_DROPDOWN,      
00113   GOW_LANG_DROPDOWN,          
00114   GOW_RESOLUTION_DROPDOWN,    
00115   GOW_FULLSCREEN_BUTTON,      
00116   GOW_SCREENSHOT_DROPDOWN,    
00117   GOW_BASE_GRF_DROPDOWN,      
00118   GOW_BASE_GRF_STATUS,        
00119   GOW_BASE_GRF_DESCRIPTION,   
00120   GOW_BASE_SFX_DROPDOWN,      
00121   GOW_BASE_SFX_DESCRIPTION,   
00122   GOW_BASE_MUSIC_DROPDOWN,    
00123   GOW_BASE_MUSIC_STATUS,      
00124   GOW_BASE_MUSIC_DESCRIPTION, 
00125 };
00126 
00127 static void ShowCustCurrency();
00128 
00129 template <class T>
00130 static DropDownList *BuiltSetDropDownList(int *selected_index)
00131 {
00132   int n = T::GetNumSets();
00133   *selected_index = T::GetIndexOfUsedSet();
00134 
00135   DropDownList *list = new DropDownList();
00136   for (int i = 0; i < n; i++) {
00137     list->push_back(new DropDownListCharStringItem(T::GetSet(i)->name, i, (_game_mode == GM_MENU) ? false : (*selected_index != i)));
00138   }
00139 
00140   return list;
00141 }
00142 
00143 struct GameOptionsWindow : Window {
00144   GameSettings *opt;
00145   bool reload;
00146 
00147   GameOptionsWindow(const WindowDesc *desc) : Window()
00148   {
00149     this->opt = &GetGameSettings();
00150     this->reload = false;
00151 
00152     this->InitNested(desc);
00153     this->OnInvalidateData(0);
00154   }
00155 
00156   ~GameOptionsWindow()
00157   {
00158     DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
00159     if (this->reload) _switch_mode = SM_MENU;
00160   }
00161 
00168   DropDownList *BuildDropDownList(int widget, int *selected_index) const
00169   {
00170     DropDownList *list = NULL;
00171     switch (widget) {
00172       case GOW_CURRENCY_DROPDOWN: { // Setup currencies dropdown
00173         list = new DropDownList();
00174         *selected_index = this->opt->locale.currency;
00175         StringID *items = BuildCurrencyDropdown();
00176         uint disabled = _game_mode == GM_MENU ? 0 : ~GetMaskOfAllowedCurrencies();
00177         int custom_index = -1;
00178 
00179         /* Add non-custom currencies; sorted naturally */
00180         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
00181           if (*items == STR_GAME_OPTIONS_CURRENCY_CUSTOM) {
00182             custom_index = i;
00183           } else {
00184             list->push_back(new DropDownListStringItem(*items, i, HasBit(disabled, i)));
00185           }
00186         }
00187         list->sort(DropDownListStringItem::NatSortFunc);
00188 
00189         /* Append custom currency at the end */
00190         if (custom_index >= 0) {
00191           list->push_back(new DropDownListItem(-1, false)); // separator line
00192           list->push_back(new DropDownListStringItem(STR_GAME_OPTIONS_CURRENCY_CUSTOM, custom_index, HasBit(disabled, custom_index)));
00193         }
00194         break;
00195       }
00196 
00197       case GOW_DISTANCE_DROPDOWN: { // Setup distance unit dropdown
00198         list = new DropDownList();
00199         *selected_index = this->opt->locale.units;
00200         const StringID *items = _units_dropdown;
00201         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
00202           list->push_back(new DropDownListStringItem(*items, i, false));
00203         }
00204         break;
00205       }
00206 
00207       case GOW_ROADSIDE_DROPDOWN: { // Setup road-side dropdown
00208         list = new DropDownList();
00209         *selected_index = this->opt->vehicle.road_side;
00210         const StringID *items = _driveside_dropdown;
00211         uint disabled = 0;
00212 
00213         /* You can only change the drive side if you are in the menu or ingame with
00214          * no vehicles present. In a networking game only the server can change it */
00215         extern bool RoadVehiclesAreBuilt();
00216         if ((_game_mode != GM_MENU && RoadVehiclesAreBuilt()) || (_networking && !_network_server)) {
00217           disabled = ~(1 << this->opt->vehicle.road_side); // disable the other value
00218         }
00219 
00220         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
00221           list->push_back(new DropDownListStringItem(*items, i, HasBit(disabled, i)));
00222         }
00223         break;
00224       }
00225 
00226       case GOW_TOWNNAME_DROPDOWN: { // Setup townname dropdown
00227         list = new DropDownList();
00228         *selected_index = this->opt->game_creation.town_name;
00229 
00230         int enabled_item = (_game_mode == GM_MENU || Town::GetNumItems() == 0) ? -1 : *selected_index;
00231 
00232         /* Add and sort original townnames generators */
00233         for (int i = 0; i < _nb_orig_names; i++) {
00234           list->push_back(new DropDownListStringItem(STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + i, i, enabled_item != i && enabled_item >= 0));
00235         }
00236         list->sort(DropDownListStringItem::NatSortFunc);
00237 
00238         /* Add and sort newgrf townnames generators */
00239         DropDownList newgrf_names;
00240         for (int i = 0; i < _nb_grf_names; i++) {
00241           int result = _nb_orig_names + i;
00242           newgrf_names.push_back(new DropDownListStringItem(_grf_names[i], result, enabled_item != result && enabled_item >= 0));
00243         }
00244         newgrf_names.sort(DropDownListStringItem::NatSortFunc);
00245 
00246         /* Insert newgrf_names at the top of the list */
00247         if (newgrf_names.size() > 0) {
00248           newgrf_names.push_back(new DropDownListItem(-1, false)); // separator line
00249           list->splice(list->begin(), newgrf_names);
00250         }
00251         break;
00252       }
00253 
00254       case GOW_AUTOSAVE_DROPDOWN: { // Setup autosave dropdown
00255         list = new DropDownList();
00256         *selected_index = _settings_client.gui.autosave;
00257         const StringID *items = _autosave_dropdown;
00258         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
00259           list->push_back(new DropDownListStringItem(*items, i, false));
00260         }
00261         break;
00262       }
00263 
00264       case GOW_LANG_DROPDOWN: { // Setup interface language dropdown
00265         list = new DropDownList();
00266         for (uint i = 0; i < _languages.Length(); i++) {
00267           if (&_languages[i] == _current_language) *selected_index = i;
00268           list->push_back(new DropDownListStringItem(SPECSTR_LANGUAGE_START + i, i, false));
00269         }
00270         list->sort(DropDownListStringItem::NatSortFunc);
00271         break;
00272       }
00273 
00274       case GOW_RESOLUTION_DROPDOWN: // Setup resolution dropdown
00275         list = new DropDownList();
00276         *selected_index = GetCurRes();
00277         for (int i = 0; i < _num_resolutions; i++) {
00278           list->push_back(new DropDownListStringItem(SPECSTR_RESOLUTION_START + i, i, false));
00279         }
00280         break;
00281 
00282       case GOW_SCREENSHOT_DROPDOWN: // Setup screenshot format dropdown
00283         list = new DropDownList();
00284         *selected_index = _cur_screenshot_format;
00285         for (uint i = 0; i < _num_screenshot_formats; i++) {
00286           list->push_back(new DropDownListStringItem(SPECSTR_SCREENSHOT_START + i, i, false));
00287         }
00288         break;
00289 
00290       case GOW_BASE_GRF_DROPDOWN:
00291         list = BuiltSetDropDownList<BaseGraphics>(selected_index);
00292         break;
00293 
00294       case GOW_BASE_SFX_DROPDOWN:
00295         list = BuiltSetDropDownList<BaseSounds>(selected_index);
00296         break;
00297 
00298       case GOW_BASE_MUSIC_DROPDOWN:
00299         list = BuiltSetDropDownList<BaseMusic>(selected_index);
00300         break;
00301 
00302       default:
00303         return NULL;
00304     }
00305 
00306     return list;
00307   }
00308 
00309   virtual void SetStringParameters(int widget) const
00310   {
00311     switch (widget) {
00312       case GOW_CURRENCY_DROPDOWN:   SetDParam(0, _currency_specs[this->opt->locale.currency].name); break;
00313       case GOW_DISTANCE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL + this->opt->locale.units); break;
00314       case GOW_ROADSIDE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT + this->opt->vehicle.road_side); break;
00315       case GOW_TOWNNAME_DROPDOWN:   SetDParam(0, TownName(this->opt->game_creation.town_name)); break;
00316       case GOW_AUTOSAVE_DROPDOWN:   SetDParam(0, _autosave_dropdown[_settings_client.gui.autosave]); break;
00317       case GOW_LANG_DROPDOWN:       SetDParamStr(0, _current_language->own_name); break;
00318       case GOW_RESOLUTION_DROPDOWN: SetDParam(0, GetCurRes() == _num_resolutions ? STR_GAME_OPTIONS_RESOLUTION_OTHER : SPECSTR_RESOLUTION_START + GetCurRes()); break;
00319       case GOW_SCREENSHOT_DROPDOWN: SetDParam(0, SPECSTR_SCREENSHOT_START + _cur_screenshot_format); break;
00320       case GOW_BASE_GRF_DROPDOWN:   SetDParamStr(0, BaseGraphics::GetUsedSet()->name); break;
00321       case GOW_BASE_GRF_STATUS:     SetDParam(0, BaseGraphics::GetUsedSet()->GetNumInvalid()); break;
00322       case GOW_BASE_SFX_DROPDOWN:   SetDParamStr(0, BaseSounds::GetUsedSet()->name); break;
00323       case GOW_BASE_MUSIC_DROPDOWN: SetDParamStr(0, BaseMusic::GetUsedSet()->name); break;
00324       case GOW_BASE_MUSIC_STATUS:   SetDParam(0, BaseMusic::GetUsedSet()->GetNumInvalid()); break;
00325     }
00326   }
00327 
00328   virtual void DrawWidget(const Rect &r, int widget) const
00329   {
00330     switch (widget) {
00331       case GOW_BASE_GRF_DESCRIPTION:
00332         SetDParamStr(0, BaseGraphics::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
00333         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
00334         break;
00335 
00336       case GOW_BASE_SFX_DESCRIPTION:
00337         SetDParamStr(0, BaseSounds::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
00338         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
00339         break;
00340 
00341       case GOW_BASE_MUSIC_DESCRIPTION:
00342         SetDParamStr(0, BaseMusic::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
00343         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
00344         break;
00345     }
00346   }
00347 
00348   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00349   {
00350     switch (widget) {
00351       case GOW_BASE_GRF_DESCRIPTION:
00352         /* Find the biggest description for the default size. */
00353         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
00354           SetDParamStr(0, BaseGraphics::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
00355           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
00356         }
00357         break;
00358 
00359       case GOW_BASE_GRF_STATUS:
00360         /* Find the biggest description for the default size. */
00361         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
00362           uint invalid_files = BaseGraphics::GetSet(i)->GetNumInvalid();
00363           if (invalid_files == 0) continue;
00364 
00365           SetDParam(0, invalid_files);
00366           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_GRF_STATUS));
00367         }
00368         break;
00369 
00370       case GOW_BASE_SFX_DESCRIPTION:
00371         /* Find the biggest description for the default size. */
00372         for (int i = 0; i < BaseSounds::GetNumSets(); i++) {
00373           SetDParamStr(0, BaseSounds::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
00374           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
00375         }
00376         break;
00377 
00378       case GOW_BASE_MUSIC_DESCRIPTION:
00379         /* Find the biggest description for the default size. */
00380         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
00381           SetDParamStr(0, BaseMusic::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
00382           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
00383         }
00384         break;
00385 
00386       case GOW_BASE_MUSIC_STATUS:
00387         /* Find the biggest description for the default size. */
00388         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
00389           uint invalid_files = BaseMusic::GetSet(i)->GetNumInvalid();
00390           if (invalid_files == 0) continue;
00391 
00392           SetDParam(0, invalid_files);
00393           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_MUSIC_STATUS));
00394         }
00395         break;
00396 
00397       default: {
00398         int selected;
00399         DropDownList *list = this->BuildDropDownList(widget, &selected);
00400         if (list != NULL) {
00401           /* Find the biggest item for the default size. */
00402           for (DropDownList::iterator it = list->begin(); it != list->end(); it++) {
00403             static const Dimension extra = {WD_DROPDOWNTEXT_LEFT + WD_DROPDOWNTEXT_RIGHT, WD_DROPDOWNTEXT_TOP + WD_DROPDOWNTEXT_BOTTOM};
00404             Dimension string_dim;
00405             int width = (*it)->Width();
00406             string_dim.width = width + extra.width;
00407             string_dim.height = (*it)->Height(width) + extra.height;
00408             *size = maxdim(*size, string_dim);
00409             delete *it;
00410           }
00411           delete list;
00412         }
00413       }
00414     }
00415   }
00416 
00417   virtual void OnClick(Point pt, int widget, int click_count)
00418   {
00419     switch (widget) {
00420       case GOW_FULLSCREEN_BUTTON: // Click fullscreen on/off
00421         /* try to toggle full-screen on/off */
00422         if (!ToggleFullScreen(!_fullscreen)) {
00423           ShowErrorMessage(STR_ERROR_FULLSCREEN_FAILED, INVALID_STRING_ID, WL_ERROR);
00424         }
00425         this->SetWidgetLoweredState(GOW_FULLSCREEN_BUTTON, _fullscreen);
00426         this->SetDirty();
00427         break;
00428 
00429       default: {
00430         int selected;
00431         DropDownList *list = this->BuildDropDownList(widget, &selected);
00432         if (list != NULL) {
00433           ShowDropDownList(this, list, selected, widget);
00434         }
00435         break;
00436       }
00437     }
00438   }
00439 
00445   template <class T>
00446   void SetMediaSet(int index)
00447   {
00448     if (_game_mode == GM_MENU) {
00449       const char *name = T::GetSet(index)->name;
00450 
00451       free(T::ini_set);
00452       T::ini_set = strdup(name);
00453 
00454       T::SetSet(name);
00455       this->reload = true;
00456       this->InvalidateData();
00457     }
00458   }
00459 
00460   virtual void OnDropdownSelect(int widget, int index)
00461   {
00462     switch (widget) {
00463       case GOW_CURRENCY_DROPDOWN: // Currency
00464         if (index == CUSTOM_CURRENCY_ID) ShowCustCurrency();
00465         this->opt->locale.currency = index;
00466         ReInitAllWindows();
00467         break;
00468 
00469       case GOW_DISTANCE_DROPDOWN: // Measuring units
00470         this->opt->locale.units = index;
00471         MarkWholeScreenDirty();
00472         break;
00473 
00474       case GOW_ROADSIDE_DROPDOWN: // Road side
00475         if (this->opt->vehicle.road_side != index) { // only change if setting changed
00476           uint i;
00477           if (GetSettingFromName("vehicle.road_side", &i) == NULL) NOT_REACHED();
00478           SetSettingValue(i, index);
00479           MarkWholeScreenDirty();
00480         }
00481         break;
00482 
00483       case GOW_TOWNNAME_DROPDOWN: // Town names
00484         if (_game_mode == GM_MENU || Town::GetNumItems() == 0) {
00485           this->opt->game_creation.town_name = index;
00486           SetWindowDirty(WC_GAME_OPTIONS, 0);
00487         }
00488         break;
00489 
00490       case GOW_AUTOSAVE_DROPDOWN: // Autosave options
00491         _settings_client.gui.autosave = index;
00492         this->SetDirty();
00493         break;
00494 
00495       case GOW_LANG_DROPDOWN: // Change interface language
00496         ReadLanguagePack(&_languages[index]);
00497         DeleteWindowByClass(WC_QUERY_STRING);
00498         CheckForMissingGlyphs();
00499         UpdateAllVirtCoords();
00500         ReInitAllWindows();
00501         break;
00502 
00503       case GOW_RESOLUTION_DROPDOWN: // Change resolution
00504         if (index < _num_resolutions && ChangeResInGame(_resolutions[index].width, _resolutions[index].height)) {
00505           this->SetDirty();
00506         }
00507         break;
00508 
00509       case GOW_SCREENSHOT_DROPDOWN: // Change screenshot format
00510         SetScreenshotFormat(index);
00511         this->SetDirty();
00512         break;
00513 
00514       case GOW_BASE_GRF_DROPDOWN:
00515         this->SetMediaSet<BaseGraphics>(index);
00516         break;
00517 
00518       case GOW_BASE_SFX_DROPDOWN:
00519         this->SetMediaSet<BaseSounds>(index);
00520         break;
00521 
00522       case GOW_BASE_MUSIC_DROPDOWN:
00523         this->SetMediaSet<BaseMusic>(index);
00524         break;
00525     }
00526   }
00527 
00533   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00534   {
00535     if (!gui_scope) return;
00536     this->SetWidgetLoweredState(GOW_FULLSCREEN_BUTTON, _fullscreen);
00537 
00538     bool missing_files = BaseGraphics::GetUsedSet()->GetNumMissing() == 0;
00539     this->GetWidget<NWidgetCore>(GOW_BASE_GRF_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_GRF_STATUS, STR_NULL);
00540 
00541     missing_files = BaseMusic::GetUsedSet()->GetNumInvalid() == 0;
00542     this->GetWidget<NWidgetCore>(GOW_BASE_MUSIC_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_MUSIC_STATUS, STR_NULL);
00543   }
00544 };
00545 
00546 static const NWidgetPart _nested_game_options_widgets[] = {
00547   NWidget(NWID_HORIZONTAL),
00548     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
00549     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00550   EndContainer(),
00551   NWidget(WWT_PANEL, COLOUR_GREY, GOW_BACKGROUND), SetPIP(6, 6, 10),
00552     NWidget(NWID_HORIZONTAL), SetPIP(10, 10, 10),
00553       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
00554         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CURRENCY_UNITS_FRAME, STR_NULL),
00555           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_CURRENCY_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_CURRENCY_UNITS_DROPDOWN_TOOLTIP), SetFill(1, 0),
00556         EndContainer(),
00557         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_ROAD_VEHICLES_FRAME, STR_NULL),
00558           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_ROADSIDE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_TOOLTIP), SetFill(1, 0),
00559         EndContainer(),
00560         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_AUTOSAVE_FRAME, STR_NULL),
00561           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_AUTOSAVE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_TOOLTIP), SetFill(1, 0),
00562         EndContainer(),
00563         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_RESOLUTION, STR_NULL),
00564           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_RESOLUTION_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_RESOLUTION_TOOLTIP), SetFill(1, 0), SetPadding(0, 0, 3, 0),
00565           NWidget(NWID_HORIZONTAL),
00566             NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_FULLSCREEN, STR_NULL),
00567             NWidget(WWT_TEXTBTN, COLOUR_GREY, GOW_FULLSCREEN_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_FULLSCREEN_TOOLTIP),
00568           EndContainer(),
00569         EndContainer(),
00570       EndContainer(),
00571 
00572       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
00573         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_MEASURING_UNITS_FRAME, STR_NULL),
00574           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_DISTANCE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_MEASURING_UNITS_DROPDOWN_TOOLTIP), SetFill(1, 0),
00575         EndContainer(),
00576         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_TOWN_NAMES_FRAME, STR_NULL),
00577           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_TOWNNAME_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_TOWN_NAMES_DROPDOWN_TOOLTIP), SetFill(1, 0),
00578         EndContainer(),
00579         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_LANGUAGE, STR_NULL),
00580           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_LANG_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_LANGUAGE_TOOLTIP), SetFill(1, 0),
00581         EndContainer(),
00582         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_SCREENSHOT_FORMAT, STR_NULL),
00583           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_SCREENSHOT_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_SCREENSHOT_FORMAT_TOOLTIP), SetFill(1, 0),
00584         EndContainer(),
00585         NWidget(NWID_SPACER), SetMinimalSize(0, 0), SetFill(0, 1),
00586       EndContainer(),
00587     EndContainer(),
00588 
00589     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_GRF, STR_NULL), SetPadding(0, 10, 0, 10),
00590       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00591         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_GRF_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_GRF_TOOLTIP),
00592         NWidget(WWT_TEXT, COLOUR_GREY, GOW_BASE_GRF_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
00593       EndContainer(),
00594       NWidget(WWT_TEXT, COLOUR_GREY, GOW_BASE_GRF_DESCRIPTION), SetMinimalSize(330, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_GRF_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 0, 0),
00595     EndContainer(),
00596 
00597     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_SFX, STR_NULL), SetPadding(0, 10, 0, 10),
00598       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00599         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_SFX_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_SFX_TOOLTIP),
00600         NWidget(NWID_SPACER), SetFill(1, 0),
00601       EndContainer(),
00602       NWidget(WWT_TEXT, COLOUR_GREY, GOW_BASE_SFX_DESCRIPTION), SetMinimalSize(330, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_SFX_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 0, 0),
00603     EndContainer(),
00604 
00605     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_MUSIC, STR_NULL), SetPadding(0, 10, 0, 10),
00606       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00607         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_MUSIC_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_MUSIC_TOOLTIP),
00608         NWidget(WWT_TEXT, COLOUR_GREY, GOW_BASE_MUSIC_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
00609       EndContainer(),
00610       NWidget(WWT_TEXT, COLOUR_GREY, GOW_BASE_MUSIC_DESCRIPTION), SetMinimalSize(330, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_MUSIC_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 0, 0),
00611     EndContainer(),
00612   EndContainer(),
00613 };
00614 
00615 static const WindowDesc _game_options_desc(
00616   WDP_CENTER, 0, 0,
00617   WC_GAME_OPTIONS, WC_NONE,
00618   WDF_UNCLICK_BUTTONS,
00619   _nested_game_options_widgets, lengthof(_nested_game_options_widgets)
00620 );
00621 
00623 void ShowGameOptions()
00624 {
00625   DeleteWindowById(WC_GAME_OPTIONS, 0);
00626   new GameOptionsWindow(&_game_options_desc);
00627 }
00628 
00629 extern void StartupEconomy();
00630 
00631 
00632 /* Names of the game difficulty settings window */
00633 enum GameDifficultyWidgets {
00634   GDW_LVL_EASY,
00635   GDW_LVL_MEDIUM,
00636   GDW_LVL_HARD,
00637   GDW_LVL_CUSTOM,
00638   GDW_HIGHSCORE,
00639   GDW_ACCEPT,
00640   GDW_CANCEL,
00641 
00642   GDW_OPTIONS_START,
00643 };
00644 
00645 void SetDifficultyLevel(int mode, DifficultySettings *gm_opt);
00646 
00647 class GameDifficultyWindow : public Window {
00648 private:
00649   /* Temporary holding place of values in the difficulty window until 'Save' is clicked */
00650   GameSettings opt_mod_temp;
00651 
00652 public:
00654   static const uint GAME_DIFFICULTY_NUM = 18;
00656   static const uint WIDGETS_PER_DIFFICULTY = 3;
00657 
00658   GameDifficultyWindow(const WindowDesc *desc) : Window()
00659   {
00660     this->InitNested(desc);
00661 
00662     /* Setup disabled buttons when creating window
00663      * disable all other difficulty buttons during gameplay except for 'custom' */
00664     this->SetWidgetsDisabledState(_game_mode != GM_MENU,
00665       GDW_LVL_EASY,
00666       GDW_LVL_MEDIUM,
00667       GDW_LVL_HARD,
00668       GDW_LVL_CUSTOM,
00669       WIDGET_LIST_END);
00670     this->SetWidgetDisabledState(GDW_HIGHSCORE, _game_mode == GM_EDITOR || _networking); // highscore chart in multiplayer
00671     this->SetWidgetDisabledState(GDW_ACCEPT, _networking && !_network_server); // Save-button in multiplayer (and if client)
00672 
00673     /* Read data */
00674     this->OnInvalidateData(GOID_DIFFICULTY_CHANGED);
00675   }
00676 
00677   virtual void SetStringParameters(int widget) const
00678   {
00679     widget -= GDW_OPTIONS_START;
00680     if (widget < 0 || (widget % 3) != 2) return;
00681 
00682     widget /= 3;
00683 
00684     uint i;
00685     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + widget;
00686     int32 value = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00687     SetDParam(0, sd->desc.val_str + value);
00688   }
00689 
00690   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00691   {
00692     /* Only for the 'descriptions' */
00693     int index = widget - GDW_OPTIONS_START;
00694     if (index < 0 || (index % 3) != 2) return;
00695 
00696     index /= 3;
00697 
00698     uint i;
00699     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + index;
00700     const SettingDescBase *sdb = &sd->desc;
00701 
00702     /* Get the string and try all strings from the smallest to the highest value */
00703     StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
00704     for (int32 value = sdb->min; (uint32)value <= sdb->max; value += sdb->interval) {
00705       SetDParam(0, sdb->val_str + value);
00706       *size = maxdim(*size, GetStringBoundingBox(str));
00707     }
00708   }
00709 
00710   virtual void OnClick(Point pt, int widget, int click_count)
00711   {
00712     if (widget >= GDW_OPTIONS_START) {
00713       widget -= GDW_OPTIONS_START;
00714       if ((widget % 3) == 2) return;
00715 
00716       /* Don't allow clients to make any changes */
00717       if (_networking && !_network_server) return;
00718 
00719       uint i;
00720       const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + (widget / 3);
00721       const SettingDescBase *sdb = &sd->desc;
00722 
00723       int32 val = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00724       if (widget % 3 == 1) {
00725         /* Increase button clicked */
00726         val = min(val + sdb->interval, (int32)sdb->max);
00727       } else {
00728         /* Decrease button clicked */
00729         val -= sdb->interval;
00730         val = max(val, sdb->min);
00731       }
00732 
00733       /* save value in temporary variable */
00734       WriteValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv, val);
00735       this->RaiseWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00736       SetDifficultyLevel(3, &this->opt_mod_temp.difficulty); // set difficulty level to custom
00737       this->LowerWidget(GDW_LVL_CUSTOM);
00738       this->InvalidateData();
00739 
00740       if (widget / 3 == 0 &&
00741           AI::GetInfoList()->size() == 0 &&
00742           this->opt_mod_temp.difficulty.max_no_competitors != 0) {
00743         ShowErrorMessage(STR_WARNING_NO_SUITABLE_AI, INVALID_STRING_ID, WL_CRITICAL);
00744       }
00745       return;
00746     }
00747 
00748     switch (widget) {
00749       case GDW_LVL_EASY:
00750       case GDW_LVL_MEDIUM:
00751       case GDW_LVL_HARD:
00752       case GDW_LVL_CUSTOM:
00753         /* temporarily change difficulty level */
00754         this->RaiseWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00755         SetDifficultyLevel(widget - GDW_LVL_EASY, &this->opt_mod_temp.difficulty);
00756         this->LowerWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00757         this->InvalidateData();
00758         break;
00759 
00760       case GDW_HIGHSCORE: // Highscore Table
00761         ShowHighscoreTable(this->opt_mod_temp.difficulty.diff_level, -1);
00762         break;
00763 
00764       case GDW_ACCEPT: { // Save button - save changes
00765         GameSettings *opt_ptr = &GetGameSettings();
00766 
00767         uint i;
00768         GetSettingFromName("difficulty.diff_level", &i);
00769         DoCommandP(0, i, this->opt_mod_temp.difficulty.diff_level, CMD_CHANGE_SETTING);
00770 
00771         const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
00772         for (uint btn = 0; btn != GAME_DIFFICULTY_NUM; btn++, sd++) {
00773           int32 new_val = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00774           int32 cur_val = (int32)ReadValue(GetVariableAddress(opt_ptr, &sd->save), sd->save.conv);
00775           /* if setting has changed, change it */
00776           if (new_val != cur_val) {
00777             DoCommandP(0, i + btn, new_val, CMD_CHANGE_SETTING);
00778           }
00779         }
00780         delete this;
00781         /* If we are in the editor, we should reload the economy.
00782          * This way when you load a game, the max loan and interest rate
00783          * are loaded correctly. */
00784         if (_game_mode == GM_EDITOR) StartupEconomy();
00785         break;
00786       }
00787 
00788       case GDW_CANCEL: // Cancel button - close window, abandon changes
00789         delete this;
00790         break;
00791     }
00792   }
00793 
00799   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00800   {
00801     if (!gui_scope) return;
00802 
00803     if (data == GOID_DIFFICULTY_CHANGED) {
00804       /* Window was created or settings were changed on server. Reread everything. */
00805 
00806       /* Copy current settings (ingame or in intro) to temporary holding place
00807        * change that when setting stuff, copy back on clicking 'OK' */
00808       this->opt_mod_temp = GetGameSettings();
00809 
00810       this->LowerWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00811     }
00812 
00813     uint i;
00814     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
00815     for (i = 0; i < GAME_DIFFICULTY_NUM; i++, sd++) {
00816       const SettingDescBase *sdb = &sd->desc;
00817       /* skip deprecated difficulty options */
00818       if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
00819       int32 value = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00820       bool disable = (sd->desc.flags & SGF_NEWGAME_ONLY) &&
00821           (_game_mode == GM_NORMAL ||
00822           (_game_mode == GM_EDITOR && (sd->desc.flags & SGF_SCENEDIT_TOO) == 0));
00823 
00824       this->SetWidgetDisabledState(GDW_OPTIONS_START + i * 3 + 0, disable || sdb->min == value);
00825       this->SetWidgetDisabledState(GDW_OPTIONS_START + i * 3 + 1, disable || sdb->max == (uint32)value);
00826     }
00827   }
00828 };
00829 
00830 static NWidgetBase *MakeDifficultyOptionsWidgets(int *biggest_index)
00831 {
00832   NWidgetVertical *vert_desc = new NWidgetVertical;
00833 
00834   int widnum = GDW_OPTIONS_START;
00835   uint i, j;
00836   const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
00837 
00838   for (i = 0, j = 0; i < GameDifficultyWindow::GAME_DIFFICULTY_NUM; i++, sd++, widnum += GameDifficultyWindow::WIDGETS_PER_DIFFICULTY) {
00839     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
00840 
00841     NWidgetHorizontal *hor = new NWidgetHorizontal;
00842 
00843     /* [<] button. */
00844     NWidgetLeaf *leaf = new NWidgetLeaf(WWT_PUSHARROWBTN, COLOUR_YELLOW, widnum, AWV_DECREASE, STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST);
00845     hor->Add(leaf);
00846 
00847     /* [>] button. */
00848     leaf = new NWidgetLeaf(WWT_PUSHARROWBTN, COLOUR_YELLOW, widnum + 1, AWV_INCREASE, STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST);
00849     hor->Add(leaf);
00850 
00851     /* Some spacing between the text and the description */
00852     NWidgetSpacer *spacer = new NWidgetSpacer(5, 0);
00853     hor->Add(spacer);
00854 
00855     /* Descriptive text. */
00856     leaf = new NWidgetLeaf(WWT_TEXT, COLOUR_YELLOW, widnum + 2, STR_DIFFICULTY_LEVEL_SETTING_MAXIMUM_NO_COMPETITORS + (j++), STR_NULL);
00857     leaf->SetFill(1, 0);
00858     hor->Add(leaf);
00859     vert_desc->Add(hor);
00860 
00861     /* Space vertically */
00862     vert_desc->Add(new NWidgetSpacer(0, 2));
00863   }
00864   *biggest_index = widnum - 1;
00865   return vert_desc;
00866 }
00867 
00868 
00870 static const NWidgetPart _nested_game_difficulty_widgets[] = {
00871   NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_DIFFICULTY_LEVEL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00872   NWidget(WWT_PANEL, COLOUR_MAUVE),
00873     NWidget(NWID_VERTICAL), SetPIP(2, 0, 2),
00874       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
00875         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_EASY), SetDataTip(STR_DIFFICULTY_LEVEL_EASY, STR_NULL), SetFill(1, 0),
00876         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_MEDIUM), SetDataTip(STR_DIFFICULTY_LEVEL_MEDIUM, STR_NULL), SetFill(1, 0),
00877         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_HARD), SetDataTip(STR_DIFFICULTY_LEVEL_HARD, STR_NULL), SetFill(1, 0),
00878         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_CUSTOM), SetDataTip(STR_DIFFICULTY_LEVEL_CUSTOM, STR_NULL), SetFill(1, 0),
00879       EndContainer(),
00880       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 10),
00881         NWidget(WWT_PUSHTXTBTN, COLOUR_GREEN, GDW_HIGHSCORE), SetDataTip(STR_DIFFICULTY_LEVEL_HIGH_SCORE_BUTTON, STR_NULL), SetFill(1, 0),
00882       EndContainer(),
00883     EndContainer(),
00884   EndContainer(),
00885   NWidget(WWT_PANEL, COLOUR_MAUVE),
00886     NWidget(NWID_VERTICAL), SetPIP(3, 0, 1),
00887       NWidget(NWID_HORIZONTAL), SetPIP(5, 0, 5),
00888         NWidgetFunction(MakeDifficultyOptionsWidgets),
00889       EndContainer(),
00890     EndContainer(),
00891   EndContainer(),
00892   NWidget(WWT_PANEL, COLOUR_MAUVE),
00893     NWidget(NWID_VERTICAL), SetPIP(2, 0, 2),
00894       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
00895         NWidget(NWID_SPACER), SetFill(1, 0),
00896         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, GDW_ACCEPT), SetDataTip(STR_DIFFICULTY_LEVEL_SAVE, STR_NULL), SetFill(1, 0),
00897         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, GDW_CANCEL), SetDataTip(STR_BUTTON_CANCEL, STR_NULL), SetFill(1, 0),
00898         NWidget(NWID_SPACER), SetFill(1, 0),
00899       EndContainer(),
00900     EndContainer(),
00901   EndContainer(),
00902 };
00903 
00905 static const WindowDesc _game_difficulty_desc(
00906   WDP_CENTER, 0, 0,
00907   WC_GAME_OPTIONS, WC_NONE,
00908   WDF_UNCLICK_BUTTONS,
00909   _nested_game_difficulty_widgets, lengthof(_nested_game_difficulty_widgets)
00910 );
00911 
00913 void ShowGameDifficulty()
00914 {
00915   DeleteWindowById(WC_GAME_OPTIONS, 0);
00916   new GameDifficultyWindow(&_game_difficulty_desc);
00917 }
00918 
00919 static int SETTING_HEIGHT = 11;    
00920 static const int LEVEL_WIDTH = 15; 
00921 
00926 enum SettingEntryFlags {
00927   SEF_LEFT_DEPRESSED  = 0x01, 
00928   SEF_RIGHT_DEPRESSED = 0x02, 
00929   SEF_BUTTONS_MASK = (SEF_LEFT_DEPRESSED | SEF_RIGHT_DEPRESSED), 
00930 
00931   SEF_LAST_FIELD = 0x04, 
00932 
00933   /* Entry kind */
00934   SEF_SETTING_KIND = 0x10, 
00935   SEF_SUBTREE_KIND = 0x20, 
00936   SEF_KIND_MASK    = (SEF_SETTING_KIND | SEF_SUBTREE_KIND), 
00937 };
00938 
00939 struct SettingsPage; // Forward declaration
00940 
00942 struct SettingEntrySubtree {
00943   SettingsPage *page; 
00944   bool folded;        
00945   StringID title;     
00946 };
00947 
00949 struct SettingEntrySetting {
00950   const char *name;           
00951   const SettingDesc *setting; 
00952   uint index;                 
00953 };
00954 
00956 struct SettingEntry {
00957   byte flags; 
00958   byte level; 
00959   union {
00960     SettingEntrySetting entry; 
00961     SettingEntrySubtree sub;   
00962   } d; 
00963 
00964   SettingEntry(const char *nm);
00965   SettingEntry(SettingsPage *sub, StringID title);
00966 
00967   void Init(byte level, bool last_field);
00968   void FoldAll();
00969   void SetButtons(byte new_val);
00970 
00971   uint Length() const;
00972   SettingEntry *FindEntry(uint row, uint *cur_row);
00973 
00974   uint Draw(GameSettings *settings_ptr, int base_x, int base_y, int max_x, uint first_row, uint max_row, uint cur_row, uint parent_last);
00975 
00976 private:
00977   void DrawSetting(GameSettings *settings_ptr, const SettingDesc *sd, int x, int y, int max_x, int state);
00978 };
00979 
00981 struct SettingsPage {
00982   SettingEntry *entries; 
00983   byte num;              
00984 
00985   void Init(byte level = 0);
00986   void FoldAll();
00987 
00988   uint Length() const;
00989   SettingEntry *FindEntry(uint row, uint *cur_row) const;
00990 
00991   uint Draw(GameSettings *settings_ptr, int base_x, int base_y, int max_x, uint first_row, uint max_row, uint cur_row = 0, uint parent_last = 0) const;
00992 };
00993 
00994 
00995 /* == SettingEntry methods == */
00996 
01001 SettingEntry::SettingEntry(const char *nm)
01002 {
01003   this->flags = SEF_SETTING_KIND;
01004   this->level = 0;
01005   this->d.entry.name = nm;
01006   this->d.entry.setting = NULL;
01007   this->d.entry.index = 0;
01008 }
01009 
01015 SettingEntry::SettingEntry(SettingsPage *sub, StringID title)
01016 {
01017   this->flags = SEF_SUBTREE_KIND;
01018   this->level = 0;
01019   this->d.sub.page = sub;
01020   this->d.sub.folded = true;
01021   this->d.sub.title = title;
01022 }
01023 
01029 void SettingEntry::Init(byte level, bool last_field)
01030 {
01031   this->level = level;
01032   if (last_field) this->flags |= SEF_LAST_FIELD;
01033 
01034   switch (this->flags & SEF_KIND_MASK) {
01035     case SEF_SETTING_KIND:
01036       this->d.entry.setting = GetSettingFromName(this->d.entry.name, &this->d.entry.index);
01037       assert(this->d.entry.setting != NULL);
01038       break;
01039     case SEF_SUBTREE_KIND:
01040       this->d.sub.page->Init(level + 1);
01041       break;
01042     default: NOT_REACHED();
01043   }
01044 }
01045 
01047 void SettingEntry::FoldAll()
01048 {
01049   switch (this->flags & SEF_KIND_MASK) {
01050     case SEF_SETTING_KIND:
01051       break;
01052 
01053     case SEF_SUBTREE_KIND:
01054       this->d.sub.folded = true;
01055       this->d.sub.page->FoldAll();
01056       break;
01057 
01058     default: NOT_REACHED();
01059   }
01060 }
01061 
01062 
01068 void SettingEntry::SetButtons(byte new_val)
01069 {
01070   assert((new_val & ~SEF_BUTTONS_MASK) == 0); // Should not touch any flags outside the buttons
01071   this->flags = (this->flags & ~SEF_BUTTONS_MASK) | new_val;
01072 }
01073 
01075 uint SettingEntry::Length() const
01076 {
01077   switch (this->flags & SEF_KIND_MASK) {
01078     case SEF_SETTING_KIND:
01079       return 1;
01080     case SEF_SUBTREE_KIND:
01081       if (this->d.sub.folded) return 1; // Only displaying the title
01082 
01083       return 1 + this->d.sub.page->Length(); // 1 extra row for the title
01084     default: NOT_REACHED();
01085   }
01086 }
01087 
01094 SettingEntry *SettingEntry::FindEntry(uint row_num, uint *cur_row)
01095 {
01096   if (row_num == *cur_row) return this;
01097 
01098   switch (this->flags & SEF_KIND_MASK) {
01099     case SEF_SETTING_KIND:
01100       (*cur_row)++;
01101       break;
01102     case SEF_SUBTREE_KIND:
01103       (*cur_row)++; // add one for row containing the title
01104       if (this->d.sub.folded) {
01105         break;
01106       }
01107 
01108       /* sub-page is visible => search it too */
01109       return this->d.sub.page->FindEntry(row_num, cur_row);
01110     default: NOT_REACHED();
01111   }
01112   return NULL;
01113 }
01114 
01141 uint SettingEntry::Draw(GameSettings *settings_ptr, int left, int right, int base_y, uint first_row, uint max_row, uint cur_row, uint parent_last)
01142 {
01143   if (cur_row >= max_row) return cur_row;
01144 
01145   bool rtl = _current_text_dir == TD_RTL;
01146   int offset = rtl ? -4 : 4;
01147   int level_width = rtl ? -LEVEL_WIDTH : LEVEL_WIDTH;
01148 
01149   int x = rtl ? right : left;
01150   int y = base_y;
01151   if (cur_row >= first_row) {
01152     int colour = _colour_gradient[COLOUR_ORANGE][4];
01153     y = base_y + (cur_row - first_row) * SETTING_HEIGHT; // Compute correct y start position
01154 
01155     /* Draw vertical for parent nesting levels */
01156     for (uint lvl = 0; lvl < this->level; lvl++) {
01157       if (!HasBit(parent_last, lvl)) GfxDrawLine(x + offset, y, x + offset, y + SETTING_HEIGHT - 1, colour);
01158       x += level_width;
01159     }
01160     /* draw own |- prefix */
01161     int halfway_y = y + SETTING_HEIGHT / 2;
01162     int bottom_y = (flags & SEF_LAST_FIELD) ? halfway_y : y + SETTING_HEIGHT - 1;
01163     GfxDrawLine(x + offset, y, x + offset, bottom_y, colour);
01164     /* Small horizontal line from the last vertical line */
01165     GfxDrawLine(x + offset, halfway_y, x + level_width - offset, halfway_y, colour);
01166     x += level_width;
01167   }
01168 
01169   switch (this->flags & SEF_KIND_MASK) {
01170     case SEF_SETTING_KIND:
01171       if (cur_row >= first_row) {
01172         DrawSetting(settings_ptr, this->d.entry.setting, rtl ? left : x, rtl ? x : right, y, this->flags & SEF_BUTTONS_MASK);
01173       }
01174       cur_row++;
01175       break;
01176     case SEF_SUBTREE_KIND:
01177       if (cur_row >= first_row) {
01178         DrawSprite((this->d.sub.folded ? SPR_CIRCLE_FOLDED : SPR_CIRCLE_UNFOLDED), PAL_NONE, rtl ? x - 8 : x, y + (SETTING_HEIGHT - 11) / 2);
01179         DrawString(rtl ? left : x + 12, rtl ? x - 12 : right, y, this->d.sub.title);
01180       }
01181       cur_row++;
01182       if (!this->d.sub.folded) {
01183         if (this->flags & SEF_LAST_FIELD) {
01184           assert(this->level < sizeof(parent_last));
01185           SetBit(parent_last, this->level); // Add own last-field state
01186         }
01187 
01188         cur_row = this->d.sub.page->Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last);
01189       }
01190       break;
01191     default: NOT_REACHED();
01192   }
01193   return cur_row;
01194 }
01195 
01196 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd)
01197 {
01198   if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
01199     if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
01200       return GetVariableAddress(&Company::Get(_local_company)->settings, &sd->save);
01201     } else {
01202       return GetVariableAddress(&_settings_client.company, &sd->save);
01203     }
01204   } else {
01205     return GetVariableAddress(settings_ptr, &sd->save);
01206   }
01207 }
01208 
01218 void SettingEntry::DrawSetting(GameSettings *settings_ptr, const SettingDesc *sd, int left, int right, int y, int state)
01219 {
01220   const SettingDescBase *sdb = &sd->desc;
01221   const void *var = ResolveVariableAddress(settings_ptr, sd);
01222   bool editable = true;
01223   bool disabled = false;
01224 
01225   bool rtl = _current_text_dir == TD_RTL;
01226   uint buttons_left = rtl ? right - 19 : left;
01227   uint text_left  = left + (rtl ? 0 : 25);
01228   uint text_right = right - (rtl ? 25 : 0);
01229   uint button_y = y + (SETTING_HEIGHT - 11) / 2;
01230 
01231   /* We do not allow changes of some items when we are a client in a networkgame */
01232   if (!(sd->save.conv & SLF_NO_NETWORK_SYNC) && _networking && !_network_server && !(sdb->flags & SGF_PER_COMPANY)) editable = false;
01233   if ((sdb->flags & SGF_NETWORK_ONLY) && !_networking) editable = false;
01234   if ((sdb->flags & SGF_NO_NETWORK) && _networking) editable = false;
01235 
01236   if (sdb->cmd == SDT_BOOLX) {
01237     static const Colours _bool_ctabs[2][2] = {{COLOUR_CREAM, COLOUR_RED}, {COLOUR_DARK_GREEN, COLOUR_GREEN}};
01238     /* Draw checkbox for boolean-value either on/off */
01239     bool on = ReadValue(var, sd->save.conv) != 0;
01240 
01241     DrawFrameRect(buttons_left, button_y, buttons_left + 19, button_y + 8, _bool_ctabs[!!on][!!editable], on ? FR_LOWERED : FR_NONE);
01242     SetDParam(0, on ? STR_CONFIG_SETTING_ON : STR_CONFIG_SETTING_OFF);
01243   } else {
01244     int32 value;
01245 
01246     value = (int32)ReadValue(var, sd->save.conv);
01247 
01248     /* Draw [<][>] boxes for settings of an integer-type */
01249     DrawArrowButtons(buttons_left, button_y, COLOUR_YELLOW, state, editable && value != (sdb->flags & SGF_0ISDISABLED ? 0 : sdb->min), editable && (uint32)value != sdb->max);
01250 
01251     disabled = (value == 0) && (sdb->flags & SGF_0ISDISABLED);
01252     if (disabled) {
01253       SetDParam(0, STR_CONFIG_SETTING_DISABLED);
01254     } else {
01255       if (sdb->flags & SGF_CURRENCY) {
01256         SetDParam(0, STR_JUST_CURRENCY_LONG);
01257       } else if (sdb->flags & SGF_MULTISTRING) {
01258         SetDParam(0, sdb->val_str - sdb->min + value);
01259       } else {
01260         SetDParam(0, (sdb->flags & SGF_NOCOMMA) ? STR_JUST_INT : STR_JUST_COMMA);
01261       }
01262       SetDParam(1, value);
01263     }
01264   }
01265   DrawString(text_left, text_right, y, (sdb->str) + disabled);
01266 }
01267 
01268 
01269 /* == SettingsPage methods == */
01270 
01275 void SettingsPage::Init(byte level)
01276 {
01277   for (uint field = 0; field < this->num; field++) {
01278     this->entries[field].Init(level, field + 1 == num);
01279   }
01280 }
01281 
01283 void SettingsPage::FoldAll()
01284 {
01285   for (uint field = 0; field < this->num; field++) {
01286     this->entries[field].FoldAll();
01287   }
01288 }
01289 
01291 uint SettingsPage::Length() const
01292 {
01293   uint length = 0;
01294   for (uint field = 0; field < this->num; field++) {
01295     length += this->entries[field].Length();
01296   }
01297   return length;
01298 }
01299 
01306 SettingEntry *SettingsPage::FindEntry(uint row_num, uint *cur_row) const
01307 {
01308   SettingEntry *pe = NULL;
01309 
01310   for (uint field = 0; field < this->num; field++) {
01311     pe = this->entries[field].FindEntry(row_num, cur_row);
01312     if (pe != NULL) {
01313       break;
01314     }
01315   }
01316   return pe;
01317 }
01318 
01336 uint SettingsPage::Draw(GameSettings *settings_ptr, int left, int right, int base_y, uint first_row, uint max_row, uint cur_row, uint parent_last) const
01337 {
01338   if (cur_row >= max_row) return cur_row;
01339 
01340   for (uint i = 0; i < this->num; i++) {
01341     cur_row = this->entries[i].Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last);
01342     if (cur_row >= max_row) {
01343       break;
01344     }
01345   }
01346   return cur_row;
01347 }
01348 
01349 
01350 static SettingEntry _settings_ui_display[] = {
01351   SettingEntry("gui.date_format_in_default_names"),
01352   SettingEntry("gui.population_in_label"),
01353   SettingEntry("gui.measure_tooltip"),
01354   SettingEntry("gui.loading_indicators"),
01355   SettingEntry("gui.liveries"),
01356   SettingEntry("gui.show_track_reservation"),
01357   SettingEntry("gui.expenses_layout"),
01358   SettingEntry("gui.smallmap_land_colour"),
01359   SettingEntry("gui.zoom_min"),
01360   SettingEntry("gui.zoom_max"),
01361 };
01363 static SettingsPage _settings_ui_display_page = {_settings_ui_display, lengthof(_settings_ui_display)};
01364 
01365 static SettingEntry _settings_ui_interaction[] = {
01366   SettingEntry("gui.window_snap_radius"),
01367   SettingEntry("gui.window_soft_limit"),
01368   SettingEntry("gui.link_terraform_toolbar"),
01369   SettingEntry("gui.prefer_teamchat"),
01370   SettingEntry("gui.autoscroll"),
01371   SettingEntry("gui.reverse_scroll"),
01372   SettingEntry("gui.smooth_scroll"),
01373   SettingEntry("gui.left_mouse_btn_scrolling"),
01374   /* While the horizontal scrollwheel scrolling is written as general code, only
01375    *  the cocoa (OSX) driver generates input for it.
01376    *  Since it's also able to completely disable the scrollwheel will we display it on all platforms anyway */
01377   SettingEntry("gui.scrollwheel_scrolling"),
01378   SettingEntry("gui.scrollwheel_multiplier"),
01379 #ifdef __APPLE__
01380   /* We might need to emulate a right mouse button on mac */
01381   SettingEntry("gui.right_mouse_btn_emulation"),
01382 #endif
01383 };
01385 static SettingsPage _settings_ui_interaction_page = {_settings_ui_interaction, lengthof(_settings_ui_interaction)};
01386 
01387 static SettingEntry _settings_ui[] = {
01388   SettingEntry(&_settings_ui_display_page, STR_CONFIG_SETTING_DISPLAY_OPTIONS),
01389   SettingEntry(&_settings_ui_interaction_page, STR_CONFIG_SETTING_INTERACTION),
01390   SettingEntry("gui.show_finances"),
01391   SettingEntry("gui.errmsg_duration"),
01392   SettingEntry("gui.hover_delay"),
01393   SettingEntry("gui.toolbar_pos"),
01394   SettingEntry("gui.statusbar_pos"),
01395   SettingEntry("gui.newgrf_default_palette"),
01396   SettingEntry("gui.pause_on_newgame"),
01397   SettingEntry("gui.advanced_vehicle_list"),
01398   SettingEntry("gui.timetable_in_ticks"),
01399   SettingEntry("gui.timetable_arrival_departure"),
01400   SettingEntry("gui.quick_goto"),
01401   SettingEntry("gui.default_rail_type"),
01402   SettingEntry("gui.disable_unsuitable_building"),
01403   SettingEntry("gui.persistent_buildingtools"),
01404   SettingEntry("gui.coloured_news_year"),
01405 };
01407 static SettingsPage _settings_ui_page = {_settings_ui, lengthof(_settings_ui)};
01408 
01409 static SettingEntry _settings_construction_signals[] = {
01410   SettingEntry("construction.signal_side"),
01411   SettingEntry("gui.enable_signal_gui"),
01412   SettingEntry("gui.drag_signals_density"),
01413   SettingEntry("gui.semaphore_build_before"),
01414   SettingEntry("gui.default_signal_type"),
01415   SettingEntry("gui.cycle_signal_types"),
01416 };
01418 static SettingsPage _settings_construction_signals_page = {_settings_construction_signals, lengthof(_settings_construction_signals)};
01419 
01420 static SettingEntry _settings_construction[] = {
01421   SettingEntry(&_settings_construction_signals_page, STR_CONFIG_SETTING_CONSTRUCTION_SIGNALS),
01422   SettingEntry("construction.build_on_slopes"),
01423   SettingEntry("construction.autoslope"),
01424   SettingEntry("construction.extra_dynamite"),
01425   SettingEntry("construction.max_bridge_length"),
01426   SettingEntry("construction.max_tunnel_length"),
01427   SettingEntry("station.never_expire_airports"),
01428   SettingEntry("construction.freeform_edges"),
01429   SettingEntry("construction.extra_tree_placement"),
01430   SettingEntry("construction.command_pause_level"),
01431 };
01433 static SettingsPage _settings_construction_page = {_settings_construction, lengthof(_settings_construction)};
01434 
01435 static SettingEntry _settings_stations_cargo[] = {
01436   SettingEntry("order.improved_load"),
01437   SettingEntry("order.gradual_loading"),
01438   SettingEntry("order.selectgoods"),
01439 };
01441 static SettingsPage _settings_stations_cargo_page = {_settings_stations_cargo, lengthof(_settings_stations_cargo)};
01442 
01443 static SettingEntry _settings_stations[] = {
01444   SettingEntry(&_settings_stations_cargo_page, STR_CONFIG_SETTING_STATIONS_CARGOHANDLING),
01445   SettingEntry("station.adjacent_stations"),
01446   SettingEntry("station.distant_join_stations"),
01447   SettingEntry("station.station_spread"),
01448   SettingEntry("economy.station_noise_level"),
01449   SettingEntry("station.modified_catchment"),
01450   SettingEntry("construction.road_stop_on_town_road"),
01451   SettingEntry("construction.road_stop_on_competitor_road"),
01452 };
01454 static SettingsPage _settings_stations_page = {_settings_stations, lengthof(_settings_stations)};
01455 
01456 static SettingEntry _settings_economy_towns[] = {
01457   SettingEntry("economy.bribe"),
01458   SettingEntry("economy.exclusive_rights"),
01459   SettingEntry("economy.fund_roads"),
01460   SettingEntry("economy.fund_buildings"),
01461   SettingEntry("economy.town_layout"),
01462   SettingEntry("economy.allow_town_roads"),
01463   SettingEntry("economy.allow_town_level_crossings"),
01464   SettingEntry("economy.found_town"),
01465   SettingEntry("economy.mod_road_rebuild"),
01466   SettingEntry("economy.town_growth_rate"),
01467   SettingEntry("economy.larger_towns"),
01468   SettingEntry("economy.initial_city_size"),
01469 };
01471 static SettingsPage _settings_economy_towns_page = {_settings_economy_towns, lengthof(_settings_economy_towns)};
01472 
01473 static SettingEntry _settings_economy_industries[] = {
01474   SettingEntry("construction.raw_industry_construction"),
01475   SettingEntry("construction.industry_platform"),
01476   SettingEntry("economy.multiple_industry_per_town"),
01477   SettingEntry("game_creation.oil_refinery_limit"),
01478 };
01480 static SettingsPage _settings_economy_industries_page = {_settings_economy_industries, lengthof(_settings_economy_industries)};
01481 
01482 static SettingEntry _settings_economy_scripts[] = {
01483   SettingEntry("script.script_max_opcode_till_suspend"),
01484 };
01486 static SettingsPage _settings_economy_scripts_page = {_settings_economy_scripts, lengthof(_settings_economy_scripts)};
01487 
01488 static SettingEntry _settings_economy[] = {
01489   SettingEntry(&_settings_economy_towns_page, STR_CONFIG_SETTING_ECONOMY_TOWNS),
01490   SettingEntry(&_settings_economy_industries_page, STR_CONFIG_SETTING_ECONOMY_INDUSTRIES),
01491   SettingEntry(&_settings_economy_scripts_page, STR_CONFIG_SETTING_ECONOMY_SCRIPTS),
01492   SettingEntry("economy.inflation"),
01493   SettingEntry("economy.smooth_economy"),
01494   SettingEntry("economy.feeder_payment_share"),
01495   SettingEntry("economy.infrastructure_maintenance"),
01496 };
01498 static SettingsPage _settings_economy_page = {_settings_economy, lengthof(_settings_economy)};
01499 
01500 static SettingEntry _settings_linkgraph[] = {
01501   SettingEntry("linkgraph.recalc_interval"),
01502   SettingEntry("linkgraph.distribution_pax"),
01503   SettingEntry("linkgraph.distribution_mail"),
01504   SettingEntry("linkgraph.distribution_armoured"),
01505   SettingEntry("linkgraph.distribution_default"),
01506   SettingEntry("linkgraph.accuracy"),
01507   SettingEntry("linkgraph.demand_distance"),
01508   SettingEntry("linkgraph.demand_size"),
01509   SettingEntry("linkgraph.short_path_saturation"),
01510 };
01512 static SettingsPage _settings_linkgraph_page = {_settings_linkgraph, lengthof(_settings_linkgraph)};
01513 
01514 static SettingEntry _settings_ai_npc[] = {
01515   SettingEntry("ai.ai_in_multiplayer"),
01516   SettingEntry("ai.ai_disable_veh_train"),
01517   SettingEntry("ai.ai_disable_veh_roadveh"),
01518   SettingEntry("ai.ai_disable_veh_aircraft"),
01519   SettingEntry("ai.ai_disable_veh_ship"),
01520 };
01522 static SettingsPage _settings_ai_npc_page = {_settings_ai_npc, lengthof(_settings_ai_npc)};
01523 
01524 static SettingEntry _settings_ai[] = {
01525   SettingEntry(&_settings_ai_npc_page, STR_CONFIG_SETTING_AI_NPC),
01526   SettingEntry("economy.give_money"),
01527   SettingEntry("economy.allow_shares"),
01528 };
01530 static SettingsPage _settings_ai_page = {_settings_ai, lengthof(_settings_ai)};
01531 
01532 static SettingEntry _settings_vehicles_routing[] = {
01533   SettingEntry("pf.pathfinder_for_trains"),
01534   SettingEntry("pf.forbid_90_deg"),
01535   SettingEntry("pf.pathfinder_for_roadvehs"),
01536   SettingEntry("pf.roadveh_queue"),
01537   SettingEntry("pf.pathfinder_for_ships"),
01538 };
01540 static SettingsPage _settings_vehicles_routing_page = {_settings_vehicles_routing, lengthof(_settings_vehicles_routing)};
01541 
01542 static SettingEntry _settings_vehicles_autorenew[] = {
01543   SettingEntry("company.engine_renew"),
01544   SettingEntry("company.engine_renew_months"),
01545   SettingEntry("company.engine_renew_money"),
01546 };
01548 static SettingsPage _settings_vehicles_autorenew_page = {_settings_vehicles_autorenew, lengthof(_settings_vehicles_autorenew)};
01549 
01550 static SettingEntry _settings_vehicles_servicing[] = {
01551   SettingEntry("vehicle.servint_ispercent"),
01552   SettingEntry("vehicle.servint_trains"),
01553   SettingEntry("vehicle.servint_roadveh"),
01554   SettingEntry("vehicle.servint_ships"),
01555   SettingEntry("vehicle.servint_aircraft"),
01556   SettingEntry("order.no_servicing_if_no_breakdowns"),
01557   SettingEntry("order.serviceathelipad"),
01558 };
01560 static SettingsPage _settings_vehicles_servicing_page = {_settings_vehicles_servicing, lengthof(_settings_vehicles_servicing)};
01561 
01562 static SettingEntry _settings_vehicles_trains[] = {
01563   SettingEntry("pf.reverse_at_signals"),
01564   SettingEntry("vehicle.train_acceleration_model"),
01565   SettingEntry("vehicle.train_slope_steepness"),
01566   SettingEntry("vehicle.max_train_length"),
01567   SettingEntry("vehicle.wagon_speed_limits"),
01568   SettingEntry("vehicle.disable_elrails"),
01569   SettingEntry("vehicle.freight_trains"),
01570   SettingEntry("gui.stop_location"),
01571 };
01573 static SettingsPage _settings_vehicles_trains_page = {_settings_vehicles_trains, lengthof(_settings_vehicles_trains)};
01574 
01575 static SettingEntry _settings_vehicles[] = {
01576   SettingEntry(&_settings_vehicles_routing_page, STR_CONFIG_SETTING_VEHICLES_ROUTING),
01577   SettingEntry(&_settings_vehicles_autorenew_page, STR_CONFIG_SETTING_VEHICLES_AUTORENEW),
01578   SettingEntry(&_settings_vehicles_servicing_page, STR_CONFIG_SETTING_VEHICLES_SERVICING),
01579   SettingEntry(&_settings_vehicles_trains_page, STR_CONFIG_SETTING_VEHICLES_TRAINS),
01580   SettingEntry("gui.new_nonstop"),
01581   SettingEntry("gui.order_review_system"),
01582   SettingEntry("gui.vehicle_income_warn"),
01583   SettingEntry("gui.lost_vehicle_warn"),
01584   SettingEntry("vehicle.never_expire_vehicles"),
01585   SettingEntry("vehicle.max_trains"),
01586   SettingEntry("vehicle.max_roadveh"),
01587   SettingEntry("vehicle.max_aircraft"),
01588   SettingEntry("vehicle.max_ships"),
01589   SettingEntry("vehicle.plane_speed"),
01590   SettingEntry("vehicle.plane_crashes"),
01591   SettingEntry("vehicle.dynamic_engines"),
01592   SettingEntry("vehicle.roadveh_acceleration_model"),
01593   SettingEntry("vehicle.roadveh_slope_steepness"),
01594   SettingEntry("vehicle.smoke_amount"),
01595 };
01597 static SettingsPage _settings_vehicles_page = {_settings_vehicles, lengthof(_settings_vehicles)};
01598 
01599 static SettingEntry _settings_main[] = {
01600   SettingEntry(&_settings_ui_page,           STR_CONFIG_SETTING_GUI),
01601   SettingEntry(&_settings_construction_page, STR_CONFIG_SETTING_CONSTRUCTION),
01602   SettingEntry(&_settings_vehicles_page,     STR_CONFIG_SETTING_VEHICLES),
01603   SettingEntry(&_settings_stations_page,     STR_CONFIG_SETTING_STATIONS),
01604   SettingEntry(&_settings_economy_page,      STR_CONFIG_SETTING_ECONOMY),
01605   SettingEntry(&_settings_linkgraph_page,    STR_CONFIG_SETTING_LINKGRAPH),
01606   SettingEntry(&_settings_ai_page,           STR_CONFIG_SETTING_AI),
01607 };
01608 
01610 static SettingsPage _settings_main_page = {_settings_main, lengthof(_settings_main)};
01611 
01613 enum GameSettingsWidgets {
01614   SETTINGSEL_OPTIONSPANEL, 
01615   SETTINGSEL_SCROLLBAR,    
01616 };
01617 
01618 struct GameSettingsWindow : Window {
01619   static const int SETTINGTREE_LEFT_OFFSET   = 5; 
01620   static const int SETTINGTREE_RIGHT_OFFSET  = 5; 
01621   static const int SETTINGTREE_TOP_OFFSET    = 5; 
01622   static const int SETTINGTREE_BOTTOM_OFFSET = 5; 
01623 
01624   static GameSettings *settings_ptr;  
01625 
01626   SettingEntry *valuewindow_entry; 
01627   SettingEntry *clicked_entry; 
01628 
01629   Scrollbar *vscroll;
01630 
01631   GameSettingsWindow(const WindowDesc *desc) : Window()
01632   {
01633     static bool first_time = true;
01634 
01635     settings_ptr = &GetGameSettings();
01636 
01637     /* Build up the dynamic settings-array only once per OpenTTD session */
01638     if (first_time) {
01639       _settings_main_page.Init();
01640       first_time = false;
01641     } else {
01642       _settings_main_page.FoldAll(); // Close all sub-pages
01643     }
01644 
01645     this->valuewindow_entry = NULL; // No setting entry for which a entry window is opened
01646     this->clicked_entry = NULL; // No numeric setting buttons are depressed
01647 
01648     this->CreateNestedTree(desc);
01649     this->vscroll = this->GetScrollbar(SETTINGSEL_SCROLLBAR);
01650     this->FinishInitNested(desc, 0);
01651 
01652     this->vscroll->SetCount(_settings_main_page.Length());
01653   }
01654 
01655   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01656   {
01657     if (widget != SETTINGSEL_OPTIONSPANEL) return;
01658 
01659     resize->height = SETTING_HEIGHT = max(11, FONT_HEIGHT_NORMAL + 1);
01660     resize->width  = 1;
01661 
01662     size->height = 5 * resize->height + SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET;
01663   }
01664 
01665   virtual void DrawWidget(const Rect &r, int widget) const
01666   {
01667     if (widget != SETTINGSEL_OPTIONSPANEL) return;
01668 
01669     _settings_main_page.Draw(settings_ptr, r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, r.top + SETTINGTREE_TOP_OFFSET,
01670         this->vscroll->GetPosition(), this->vscroll->GetPosition() + this->vscroll->GetCapacity());
01671   }
01672 
01673   virtual void OnClick(Point pt, int widget, int click_count)
01674   {
01675     if (widget != SETTINGSEL_OPTIONSPANEL) return;
01676 
01677     uint btn = this->vscroll->GetScrolledRowFromWidget(pt.y, this, SETTINGSEL_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET - 1);
01678     if (btn == INT_MAX) return;
01679 
01680     uint cur_row = 0;
01681     SettingEntry *pe = _settings_main_page.FindEntry(btn, &cur_row);
01682 
01683     if (pe == NULL) return;  // Clicked below the last setting of the page
01684 
01685     int x = (_current_text_dir == TD_RTL ? this->width - pt.x : pt.x) - SETTINGTREE_LEFT_OFFSET - (pe->level + 1) * LEVEL_WIDTH;  // Shift x coordinate
01686     if (x < 0) return;  // Clicked left of the entry
01687 
01688     if ((pe->flags & SEF_KIND_MASK) == SEF_SUBTREE_KIND) {
01689       pe->d.sub.folded = !pe->d.sub.folded; // Flip 'folded'-ness of the sub-page
01690 
01691       this->vscroll->SetCount(_settings_main_page.Length());
01692       this->SetDirty();
01693       return;
01694     }
01695 
01696     assert((pe->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
01697     const SettingDesc *sd = pe->d.entry.setting;
01698 
01699     /* return if action is only active in network, or only settable by server */
01700     if (!(sd->save.conv & SLF_NO_NETWORK_SYNC) && _networking && !_network_server && !(sd->desc.flags & SGF_PER_COMPANY)) return;
01701     if ((sd->desc.flags & SGF_NETWORK_ONLY) && !_networking) return;
01702     if ((sd->desc.flags & SGF_NO_NETWORK) && _networking) return;
01703 
01704     const void *var = ResolveVariableAddress(settings_ptr, sd);
01705     int32 value = (int32)ReadValue(var, sd->save.conv);
01706 
01707     /* clicked on the icon on the left side. Either scroller or bool on/off */
01708     if (x < 21) {
01709       const SettingDescBase *sdb = &sd->desc;
01710       int32 oldvalue = value;
01711 
01712       switch (sdb->cmd) {
01713         case SDT_BOOLX: value ^= 1; break;
01714         case SDT_ONEOFMANY:
01715         case SDT_NUMX: {
01716           /* Add a dynamic step-size to the scroller. In a maximum of
01717            * 50-steps you should be able to get from min to max,
01718            * unless specified otherwise in the 'interval' variable
01719            * of the current setting. */
01720           uint32 step = (sdb->interval == 0) ? ((sdb->max - sdb->min) / 50) : sdb->interval;
01721           if (step == 0) step = 1;
01722 
01723           /* don't allow too fast scrolling */
01724           if ((this->flags4 & WF_TIMEOUT_MASK) > WF_TIMEOUT_TRIGGER) {
01725             _left_button_clicked = false;
01726             return;
01727           }
01728 
01729           /* Increase or decrease the value and clamp it to extremes */
01730           if (x >= 10) {
01731             value += step;
01732             if (sdb->min < 0) {
01733               assert((int32)sdb->max >= 0);
01734               if (value > (int32)sdb->max) value = (int32)sdb->max;
01735             } else {
01736               if ((uint32)value > sdb->max) value = (int32)sdb->max;
01737             }
01738             if (value < sdb->min) value = sdb->min; // skip between "disabled" and minimum
01739           } else {
01740             value -= step;
01741             if (value < sdb->min) value = (sdb->flags & SGF_0ISDISABLED) ? 0 : sdb->min;
01742           }
01743 
01744           /* Set up scroller timeout for numeric values */
01745           if (value != oldvalue && !(sd->desc.flags & SGF_MULTISTRING)) {
01746             if (this->clicked_entry != NULL) { // Release previous buttons if any
01747               this->clicked_entry->SetButtons(0);
01748             }
01749             this->clicked_entry = pe;
01750             this->clicked_entry->SetButtons((x >= 10) != (_current_text_dir == TD_RTL) ? SEF_RIGHT_DEPRESSED : SEF_LEFT_DEPRESSED);
01751             this->flags4 |= WF_TIMEOUT_BEGIN;
01752             _left_button_clicked = false;
01753           }
01754           break;
01755         }
01756 
01757         default: NOT_REACHED();
01758       }
01759 
01760       if (value != oldvalue) {
01761         if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
01762           SetCompanySetting(pe->d.entry.index, value);
01763         } else {
01764           SetSettingValue(pe->d.entry.index, value);
01765         }
01766         this->SetDirty();
01767       }
01768     } else {
01769       /* only open editbox for types that its sensible for */
01770       if (sd->desc.cmd != SDT_BOOLX && !(sd->desc.flags & SGF_MULTISTRING)) {
01771         /* Show the correct currency-translated value */
01772         if (sd->desc.flags & SGF_CURRENCY) value *= _currency->rate;
01773 
01774         this->valuewindow_entry = pe;
01775         SetDParam(0, value);
01776         ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
01777       }
01778     }
01779   }
01780 
01781   virtual void OnTimeout()
01782   {
01783     if (this->clicked_entry != NULL) { // On timeout, release any depressed buttons
01784       this->clicked_entry->SetButtons(0);
01785       this->clicked_entry = NULL;
01786       this->SetDirty();
01787     }
01788   }
01789 
01790   virtual void OnQueryTextFinished(char *str)
01791   {
01792     /* The user pressed cancel */
01793     if (str == NULL) return;
01794 
01795     assert(this->valuewindow_entry != NULL);
01796     assert((this->valuewindow_entry->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
01797     const SettingDesc *sd = this->valuewindow_entry->d.entry.setting;
01798 
01799     int32 value;
01800     if (!StrEmpty(str)) {
01801       value = atoi(str);
01802 
01803       /* Save the correct currency-translated value */
01804       if (sd->desc.flags & SGF_CURRENCY) value /= _currency->rate;
01805     } else {
01806       value = (int32)(size_t)sd->desc.def;
01807     }
01808 
01809     if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
01810       SetCompanySetting(this->valuewindow_entry->d.entry.index, value);
01811     } else {
01812       SetSettingValue(this->valuewindow_entry->d.entry.index, value);
01813     }
01814     this->SetDirty();
01815   }
01816 
01817   virtual void OnResize()
01818   {
01819     this->vscroll->SetCapacityFromWidget(this, SETTINGSEL_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET);
01820   }
01821 };
01822 
01823 GameSettings *GameSettingsWindow::settings_ptr = NULL;
01824 
01825 static const NWidgetPart _nested_settings_selection_widgets[] = {
01826   NWidget(NWID_HORIZONTAL),
01827     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
01828     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_CONFIG_SETTING_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01829   EndContainer(),
01830   NWidget(NWID_HORIZONTAL),
01831     NWidget(WWT_PANEL, COLOUR_MAUVE, SETTINGSEL_OPTIONSPANEL), SetMinimalSize(400, 174), SetScrollbar(SETTINGSEL_SCROLLBAR), EndContainer(),
01832     NWidget(NWID_VERTICAL),
01833       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, SETTINGSEL_SCROLLBAR),
01834       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
01835     EndContainer(),
01836   EndContainer(),
01837 };
01838 
01839 static const WindowDesc _settings_selection_desc(
01840   WDP_CENTER, 450, 397,
01841   WC_GAME_OPTIONS, WC_NONE,
01842   0,
01843   _nested_settings_selection_widgets, lengthof(_nested_settings_selection_widgets)
01844 );
01845 
01847 void ShowGameSettings()
01848 {
01849   DeleteWindowById(WC_GAME_OPTIONS, 0);
01850   new GameSettingsWindow(&_settings_selection_desc);
01851 }
01852 
01853 
01863 void DrawArrowButtons(int x, int y, Colours button_colour, byte state, bool clickable_left, bool clickable_right)
01864 {
01865   int colour = _colour_gradient[button_colour][2];
01866 
01867   DrawFrameRect(x,      y + 1, x +  9, y + 9, button_colour, (state == 1) ? FR_LOWERED : FR_NONE);
01868   DrawFrameRect(x + 10, y + 1, x + 19, y + 9, button_colour, (state == 2) ? FR_LOWERED : FR_NONE);
01869   DrawSprite(SPR_ARROW_LEFT, PAL_NONE, x + WD_IMGBTN_LEFT, y + WD_IMGBTN_TOP);
01870   DrawSprite(SPR_ARROW_RIGHT, PAL_NONE, x + WD_IMGBTN_LEFT + 10, y + WD_IMGBTN_TOP);
01871 
01872   /* Grey out the buttons that aren't clickable */
01873   bool rtl = _current_text_dir == TD_RTL;
01874   if (rtl ? !clickable_right : !clickable_left) {
01875     GfxFillRect(x +  1, y + 1, x +  1 + 8, y + 8, colour, FILLRECT_CHECKER);
01876   }
01877   if (rtl ? !clickable_left : !clickable_right) {
01878     GfxFillRect(x + 11, y + 1, x + 11 + 8, y + 8, colour, FILLRECT_CHECKER);
01879   }
01880 }
01881 
01883 enum CustomCurrencyWidgets {
01884   CUSTCURR_RATE_DOWN,
01885   CUSTCURR_RATE_UP,
01886   CUSTCURR_RATE,
01887   CUSTCURR_SEPARATOR_EDIT,
01888   CUSTCURR_SEPARATOR,
01889   CUSTCURR_PREFIX_EDIT,
01890   CUSTCURR_PREFIX,
01891   CUSTCURR_SUFFIX_EDIT,
01892   CUSTCURR_SUFFIX,
01893   CUSTCURR_YEAR_DOWN,
01894   CUSTCURR_YEAR_UP,
01895   CUSTCURR_YEAR,
01896   CUSTCURR_PREVIEW,
01897 };
01898 
01899 struct CustomCurrencyWindow : Window {
01900   int query_widget;
01901 
01902   CustomCurrencyWindow(const WindowDesc *desc) : Window()
01903   {
01904     this->InitNested(desc);
01905 
01906     SetButtonState();
01907   }
01908 
01909   void SetButtonState()
01910   {
01911     this->SetWidgetDisabledState(CUSTCURR_RATE_DOWN, _custom_currency.rate == 1);
01912     this->SetWidgetDisabledState(CUSTCURR_RATE_UP, _custom_currency.rate == UINT16_MAX);
01913     this->SetWidgetDisabledState(CUSTCURR_YEAR_DOWN, _custom_currency.to_euro == CF_NOEURO);
01914     this->SetWidgetDisabledState(CUSTCURR_YEAR_UP, _custom_currency.to_euro == MAX_YEAR);
01915   }
01916 
01917   virtual void SetStringParameters(int widget) const
01918   {
01919     switch (widget) {
01920       case CUSTCURR_RATE:      SetDParam(0, 1); SetDParam(1, 1);            break;
01921       case CUSTCURR_SEPARATOR: SetDParamStr(0, _custom_currency.separator); break;
01922       case CUSTCURR_PREFIX:    SetDParamStr(0, _custom_currency.prefix);    break;
01923       case CUSTCURR_SUFFIX:    SetDParamStr(0, _custom_currency.suffix);    break;
01924       case CUSTCURR_YEAR:
01925         SetDParam(0, (_custom_currency.to_euro != CF_NOEURO) ? STR_CURRENCY_SWITCH_TO_EURO : STR_CURRENCY_SWITCH_TO_EURO_NEVER);
01926         SetDParam(1, _custom_currency.to_euro);
01927         break;
01928 
01929       case CUSTCURR_PREVIEW:
01930         SetDParam(0, 10000);
01931         break;
01932     }
01933   }
01934 
01935   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01936   {
01937     switch (widget) {
01938       /* Set the appropriate width for the edit 'buttons' */
01939       case CUSTCURR_SEPARATOR_EDIT:
01940       case CUSTCURR_PREFIX_EDIT:
01941       case CUSTCURR_SUFFIX_EDIT:
01942         size->width  = this->GetWidget<NWidgetBase>(CUSTCURR_RATE_DOWN)->smallest_x + this->GetWidget<NWidgetBase>(CUSTCURR_RATE_UP)->smallest_x;
01943         break;
01944 
01945       /* Make sure the window is wide enough for the widest exchange rate */
01946       case CUSTCURR_RATE:
01947         SetDParam(0, 1);
01948         SetDParam(1, INT32_MAX);
01949         *size = GetStringBoundingBox(STR_CURRENCY_EXCHANGE_RATE);
01950         break;
01951     }
01952   }
01953 
01954   virtual void OnClick(Point pt, int widget, int click_count)
01955   {
01956     int line = 0;
01957     int len = 0;
01958     StringID str = 0;
01959     CharSetFilter afilter = CS_ALPHANUMERAL;
01960 
01961     switch (widget) {
01962       case CUSTCURR_RATE_DOWN:
01963         if (_custom_currency.rate > 1) _custom_currency.rate--;
01964         if (_custom_currency.rate == 1) this->DisableWidget(CUSTCURR_RATE_DOWN);
01965         this->EnableWidget(CUSTCURR_RATE_UP);
01966         break;
01967 
01968       case CUSTCURR_RATE_UP:
01969         if (_custom_currency.rate < UINT16_MAX) _custom_currency.rate++;
01970         if (_custom_currency.rate == UINT16_MAX) this->DisableWidget(CUSTCURR_RATE_UP);
01971         this->EnableWidget(CUSTCURR_RATE_DOWN);
01972         break;
01973 
01974       case CUSTCURR_RATE:
01975         SetDParam(0, _custom_currency.rate);
01976         str = STR_JUST_INT;
01977         len = 5;
01978         line = CUSTCURR_RATE;
01979         afilter = CS_NUMERAL;
01980         break;
01981 
01982       case CUSTCURR_SEPARATOR_EDIT:
01983       case CUSTCURR_SEPARATOR:
01984         SetDParamStr(0, _custom_currency.separator);
01985         str = STR_JUST_RAW_STRING;
01986         len = 1;
01987         line = CUSTCURR_SEPARATOR;
01988         break;
01989 
01990       case CUSTCURR_PREFIX_EDIT:
01991       case CUSTCURR_PREFIX:
01992         SetDParamStr(0, _custom_currency.prefix);
01993         str = STR_JUST_RAW_STRING;
01994         len = 12;
01995         line = CUSTCURR_PREFIX;
01996         break;
01997 
01998       case CUSTCURR_SUFFIX_EDIT:
01999       case CUSTCURR_SUFFIX:
02000         SetDParamStr(0, _custom_currency.suffix);
02001         str = STR_JUST_RAW_STRING;
02002         len = 12;
02003         line = CUSTCURR_SUFFIX;
02004         break;
02005 
02006       case CUSTCURR_YEAR_DOWN:
02007         _custom_currency.to_euro = (_custom_currency.to_euro <= 2000) ? CF_NOEURO : _custom_currency.to_euro - 1;
02008         if (_custom_currency.to_euro == CF_NOEURO) this->DisableWidget(CUSTCURR_YEAR_DOWN);
02009         this->EnableWidget(CUSTCURR_YEAR_UP);
02010         break;
02011 
02012       case CUSTCURR_YEAR_UP:
02013         _custom_currency.to_euro = Clamp(_custom_currency.to_euro + 1, 2000, MAX_YEAR);
02014         if (_custom_currency.to_euro == MAX_YEAR) this->DisableWidget(CUSTCURR_YEAR_UP);
02015         this->EnableWidget(CUSTCURR_YEAR_DOWN);
02016         break;
02017 
02018       case CUSTCURR_YEAR:
02019         SetDParam(0, _custom_currency.to_euro);
02020         str = STR_JUST_INT;
02021         len = 7;
02022         line = CUSTCURR_YEAR;
02023         afilter = CS_NUMERAL;
02024         break;
02025     }
02026 
02027     if (len != 0) {
02028       this->query_widget = line;
02029       ShowQueryString(str, STR_CURRENCY_CHANGE_PARAMETER, len + 1, this, afilter, QSF_NONE);
02030     }
02031 
02032     this->flags4 |= WF_TIMEOUT_BEGIN;
02033     this->SetDirty();
02034   }
02035 
02036   virtual void OnQueryTextFinished(char *str)
02037   {
02038     if (str == NULL) return;
02039 
02040     switch (this->query_widget) {
02041       case CUSTCURR_RATE:
02042         _custom_currency.rate = Clamp(atoi(str), 1, UINT16_MAX);
02043         break;
02044 
02045       case CUSTCURR_SEPARATOR: // Thousands seperator
02046         strecpy(_custom_currency.separator, str, lastof(_custom_currency.separator));
02047         break;
02048 
02049       case CUSTCURR_PREFIX:
02050         strecpy(_custom_currency.prefix, str, lastof(_custom_currency.prefix));
02051         break;
02052 
02053       case CUSTCURR_SUFFIX:
02054         strecpy(_custom_currency.suffix, str, lastof(_custom_currency.suffix));
02055         break;
02056 
02057       case CUSTCURR_YEAR: { // Year to switch to euro
02058         int val = atoi(str);
02059 
02060         _custom_currency.to_euro = (val < 2000 ? CF_NOEURO : min(val, MAX_YEAR));
02061         break;
02062       }
02063     }
02064     MarkWholeScreenDirty();
02065     SetButtonState();
02066   }
02067 
02068   virtual void OnTimeout()
02069   {
02070     this->SetDirty();
02071   }
02072 };
02073 
02074 static const NWidgetPart _nested_cust_currency_widgets[] = {
02075   NWidget(NWID_HORIZONTAL),
02076     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
02077     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CURRENCY_WINDOW, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
02078   EndContainer(),
02079   NWidget(WWT_PANEL, COLOUR_GREY),
02080     NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(7, 3, 0),
02081       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02082         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, CUSTCURR_RATE_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_EXCHANGE_RATE_TOOLTIP),
02083         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, CUSTCURR_RATE_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_EXCHANGE_RATE_TOOLTIP),
02084         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02085         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_RATE), SetDataTip(STR_CURRENCY_EXCHANGE_RATE, STR_CURRENCY_SET_EXCHANGE_RATE_TOOLTIP), SetFill(1, 0),
02086       EndContainer(),
02087       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02088         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_SEPARATOR_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(0, 1),
02089         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02090         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_SEPARATOR), SetDataTip(STR_CURRENCY_SEPARATOR, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(1, 0),
02091       EndContainer(),
02092       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02093         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_PREFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(0, 1),
02094         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02095         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_PREFIX), SetDataTip(STR_CURRENCY_PREFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(1, 0),
02096       EndContainer(),
02097       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02098         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_SUFFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(0, 1),
02099         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02100         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_SUFFIX), SetDataTip(STR_CURRENCY_SUFFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(1, 0),
02101       EndContainer(),
02102       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02103         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, CUSTCURR_YEAR_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
02104         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, CUSTCURR_YEAR_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
02105         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02106         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_YEAR), SetDataTip(STR_JUST_STRING, STR_CURRENCY_SET_CUSTOM_CURRENCY_TO_EURO_TOOLTIP), SetFill(1, 0),
02107       EndContainer(),
02108     EndContainer(),
02109     NWidget(WWT_LABEL, COLOUR_BLUE, CUSTCURR_PREVIEW),
02110                 SetDataTip(STR_CURRENCY_PREVIEW, STR_CURRENCY_CUSTOM_CURRENCY_PREVIEW_TOOLTIP), SetPadding(15, 1, 18, 2),
02111   EndContainer(),
02112 };
02113 
02114 static const WindowDesc _cust_currency_desc(
02115   WDP_CENTER, 0, 0,
02116   WC_CUSTOM_CURRENCY, WC_NONE,
02117   WDF_UNCLICK_BUTTONS,
02118   _nested_cust_currency_widgets, lengthof(_nested_cust_currency_widgets)
02119 );
02120 
02122 static void ShowCustCurrency()
02123 {
02124   DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
02125   new CustomCurrencyWindow(&_cust_currency_desc);
02126 }