# 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
    00068 static StringID *BuildDynamicDropdown(StringID base, int num)
    00069 {
    00070   static StringID buf[32 + 1];
    00071   StringID *p = buf;
    00072   while (--num >= 0) *p++ = base++;
    00073   *p = INVALID_STRING_ID;
    00074   return buf;
    00075 }
    00076
    00077 int _nb_orig_names = SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1;
    00078 static StringID *_grf_names = NULL;
    00079 static int _nb_grf_names = 0;
    00080
    00082 void InitGRFTownGeneratorNames()
    00083 {
    00084   free(_grf_names);
    00085   _grf_names = GetGRFTownNameList();
    00086   _nb_grf_names = 0;
    00087   for (StringID *s = _grf_names; *s != INVALID_STRING_ID; s++) _nb_grf_names++;
    00088 }
    00089
    00095 static inline StringID TownName(int town_name)
    00096 {
    00097   if (town_name < _nb_orig_names) return STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + town_name;
    00098   town_name -= _nb_orig_names;
    00099   if (town_name < _nb_grf_names) return _grf_names[town_name];
    00100   return STR_UNDEFINED;
    00101 }
    00102
    00107 static int GetCurRes()
    00108 {
    00109   int i;
    00110
    00111   for (i = 0; i != _num_resolutions; i++) {
    00112     if ((int)_resolutions[i].width == _screen.width &&
    00113         (int)_resolutions[i].height == _screen.height) {
    00114       break;
    00115     }
    00116   }
    00117   return i;
    00118 }
    00119
    00121 enum GameOptionsWidgets {
    00122   GOW_BACKGROUND,
    00123   GOW_CURRENCY_DROPDOWN,
    00124   GOW_DISTANCE_DROPDOWN,
    00125   GOW_ROADSIDE_DROPDOWN,
    00126   GOW_TOWNNAME_DROPDOWN,
    00127   GOW_AUTOSAVE_DROPDOWN,
    00128   GOW_LANG_DROPDOWN,
    00129   GOW_RESOLUTION_DROPDOWN,
    00130   GOW_FULLSCREEN_BUTTON,
    00131   GOW_SCREENSHOT_DROPDOWN,
    00132   GOW_BASE_GRF_DROPDOWN,
    00133   GOW_BASE_GRF_STATUS,
    00134   GOW_BASE_GRF_DESCRIPTION,
    00135   GOW_BASE_SFX_DROPDOWN,
    00136   GOW_BASE_SFX_DESCRIPTION,
    00137   GOW_BASE_MUSIC_DROPDOWN,
    00138   GOW_BASE_MUSIC_STATUS,
    00139   GOW_BASE_MUSIC_DESCRIPTION,
    00140 };
    00141
    00147 static void ShowTownnameDropdown(Window *w, int sel)
    00148 {
    00149   typedef std::map<StringID, int, StringIDCompare> TownList;
    00150   TownList townnames;
    00151
    00152   /* Add and sort original townnames generators */
    00153   for (int i = 0; i < _nb_orig_names; i++) townnames[STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + i] = i;
    00154
    00155   /* Add and sort newgrf townnames generators */
    00156   for (int i = 0; i < _nb_grf_names; i++) townnames[_grf_names[i]] = _nb_orig_names + i;
    00157
    00158   DropDownList *list = new DropDownList();
    00159   for (TownList::iterator it = townnames.begin(); it != townnames.end(); it++) {
    00160     list->push_back(new DropDownListStringItem((*it).first, (*it).second, !(_game_mode == GM_MENU || Town::GetNumItems() == 0 || (*it).second == sel)));
    00161   }
    00162
    00163   ShowDropDownList(w, list, sel, GOW_TOWNNAME_DROPDOWN);
    00164 }
    00165
    00166 static void ShowCustCurrency();
    00167
    00168 template <class T>
    00169 static void ShowSetMenu(Window *w, int widget)
    00170 {
    00171   int n = T::GetNumSets();
    00172   int current = T::GetIndexOfUsedSet();
    00173
    00174   DropDownList *list = new DropDownList();
    00175   for (int i = 0; i < n; i++) {
    00176     list->push_back(new DropDownListCharStringItem(T::GetSet(i)->name, i, (_game_mode == GM_MENU) ? false : (current != i)));
    00177   }
    00178
    00179   ShowDropDownList(w, list, current, widget);
    00180 }
    00181
    00182 struct GameOptionsWindow : Window {
    00183   GameSettings *opt;
    00184   bool reload;
    00185
    00186   GameOptionsWindow(const WindowDesc *desc) : Window()
    00187   {
    00188     this->opt = &GetGameSettings();
    00189     this->reload = false;
    00190
    00191     this->InitNested(desc);
    00192     this->OnInvalidateData(0);
    00193   }
    00194
    00195   ~GameOptionsWindow()
    00196   {
    00197     DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
    00198     if (this->reload) _switch_mode = SM_MENU;
    00199   }
    00200
    00201   virtual void SetStringParameters(int widget) const
    00202   {
    00203     switch (widget) {
    00204       case GOW_CURRENCY_DROPDOWN:   SetDParam(0, _currency_specs[this->opt->locale.currency].name); break;
    00205       case GOW_DISTANCE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL + this->opt->locale.units); break;
    00206       case GOW_ROADSIDE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT + this->opt->vehicle.road_side); break;
    00207       case GOW_TOWNNAME_DROPDOWN:   SetDParam(0, TownName(this->opt->game_creation.town_name)); break;
    00208       case GOW_AUTOSAVE_DROPDOWN:   SetDParam(0, _autosave_dropdown[_settings_client.gui.autosave]); break;
    00209       case GOW_LANG_DROPDOWN:       SetDParamStr(0, _current_language->own_name); break;
    00210       case GOW_RESOLUTION_DROPDOWN: SetDParam(0, GetCurRes() == _num_resolutions ? STR_GAME_OPTIONS_RESOLUTION_OTHER : SPECSTR_RESOLUTION_START + GetCurRes()); break;
    00211       case GOW_SCREENSHOT_DROPDOWN: SetDParam(0, SPECSTR_SCREENSHOT_START + _cur_screenshot_format); break;
    00212       case GOW_BASE_GRF_DROPDOWN:   SetDParamStr(0, BaseGraphics::GetUsedSet()->name); break;
    00213       case GOW_BASE_GRF_STATUS:     SetDParam(0, BaseGraphics::GetUsedSet()->GetNumInvalid()); break;
    00214       case GOW_BASE_SFX_DROPDOWN:   SetDParamStr(0, BaseSounds::GetUsedSet()->name); break;
    00215       case GOW_BASE_MUSIC_DROPDOWN: SetDParamStr(0, BaseMusic::GetUsedSet()->name); break;
    00216       case GOW_BASE_MUSIC_STATUS:   SetDParam(0, BaseMusic::GetUsedSet()->GetNumInvalid()); break;
    00217     }
    00218   }
    00219
    00220   virtual void DrawWidget(const Rect &r, int widget) const
    00221   {
    00222     switch (widget) {
    00223       case GOW_BASE_GRF_DESCRIPTION:
    00224         SetDParamStr(0, BaseGraphics::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00225         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00226         break;
    00227
    00228       case GOW_BASE_SFX_DESCRIPTION:
    00229         SetDParamStr(0, BaseSounds::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00230         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00231         break;
    00232
    00233       case GOW_BASE_MUSIC_DESCRIPTION:
    00234         SetDParamStr(0, BaseMusic::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00235         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00236         break;
    00237     }
    00238   }
    00239
    00240   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00241   {
    00242     switch (widget) {
    00243       case GOW_BASE_GRF_DESCRIPTION:
    00244         /* Find the biggest description for the default size. */
    00245         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
    00246           SetDParamStr(0, BaseGraphics::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00247           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00248         }
    00249         break;
    00250
    00251       case GOW_BASE_GRF_STATUS:
    00252         /* Find the biggest description for the default size. */
    00253         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
    00254           uint invalid_files = BaseGraphics::GetSet(i)->GetNumInvalid();
    00255           if (invalid_files == 0) continue;
    00256
    00257           SetDParam(0, invalid_files);
    00258           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_GRF_STATUS));
    00259         }
    00260         break;
    00261
    00262       case GOW_BASE_SFX_DESCRIPTION:
    00263         /* Find the biggest description for the default size. */
    00264         for (int i = 0; i < BaseSounds::GetNumSets(); i++) {
    00265           SetDParamStr(0, BaseSounds::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00266           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00267         }
    00268         break;
    00269
    00270       case GOW_BASE_MUSIC_DESCRIPTION:
    00271         /* Find the biggest description for the default size. */
    00272         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
    00273           SetDParamStr(0, BaseMusic::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00274           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00275         }
    00276         break;
    00277
    00278       case GOW_BASE_MUSIC_STATUS:
    00279         /* Find the biggest description for the default size. */
    00280         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
    00281           uint invalid_files = BaseMusic::GetSet(i)->GetNumInvalid();
    00282           if (invalid_files == 0) continue;
    00283
    00284           SetDParam(0, invalid_files);
    00285           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_MUSIC_STATUS));
    00286         }
    00287         break;
    00288     }
    00289   }
    00290
    00291   virtual void OnClick(Point pt, int widget, int click_count)
    00292   {
    00293     switch (widget) {
    00294       case GOW_CURRENCY_DROPDOWN: // Setup currencies dropdown
    00295         ShowDropDownMenu(this, BuildCurrencyDropdown(), this->opt->locale.currency, GOW_CURRENCY_DROPDOWN, _game_mode == GM_MENU ? 0 : ~GetMaskOfAllowedCurrencies(), 0);
    00296         break;
    00297
    00298       case GOW_DISTANCE_DROPDOWN: // Setup distance unit dropdown
    00299         ShowDropDownMenu(this, _units_dropdown, this->opt->locale.units, GOW_DISTANCE_DROPDOWN, 0, 0);
    00300         break;
    00301
    00302       case GOW_ROADSIDE_DROPDOWN: { // Setup road-side dropdown
    00303         int i = 0;
    00304         extern bool RoadVehiclesAreBuilt();
    00305
    00306         /* You can only change the drive side if you are in the menu or ingame with
    00307          * no vehicles present. In a networking game only the server can change it */
    00308         if ((_game_mode != GM_MENU && RoadVehiclesAreBuilt()) || (_networking && !_network_server)) {
    00309           i = (-1) ^ (1 << this->opt->vehicle.road_side); // disable the other value
    00310         }
    00311
    00312         ShowDropDownMenu(this, _driveside_dropdown, this->opt->vehicle.road_side, GOW_ROADSIDE_DROPDOWN, i, 0);
    00313         break;
    00314       }
    00315
    00316       case GOW_TOWNNAME_DROPDOWN: // Setup townname dropdown
    00317         ShowTownnameDropdown(this, this->opt->game_creation.town_name);
    00318         break;
    00319
    00320       case GOW_AUTOSAVE_DROPDOWN: // Setup autosave dropdown
    00321         ShowDropDownMenu(this, _autosave_dropdown, _settings_client.gui.autosave, GOW_AUTOSAVE_DROPDOWN, 0, 0);
    00322         break;
    00323
    00324       case GOW_LANG_DROPDOWN: { // Setup interface language dropdown
    00325         typedef std::map<StringID, int, StringIDCompare> LangList;
    00326
    00327         /* Sort language names */
    00328         LangList langs;
    00329         int current_lang = 0;
    00330         for (int i = 0; i < (int)_languages.Length(); i++) {
    00331           if (&_languages[i] == _current_language) current_lang = i;
    00332           langs[SPECSTR_LANGUAGE_START + i] = i;
    00333         }
    00334
    00335         DropDownList *list = new DropDownList();
    00336         for (LangList::iterator it = langs.begin(); it != langs.end(); it++) {
    00337           list->push_back(new DropDownListStringItem((*it).first, (*it).second, false));
    00338         }
    00339
    00340         ShowDropDownList(this, list, current_lang, GOW_LANG_DROPDOWN);
    00341         break;
    00342       }
    00343
    00344       case GOW_RESOLUTION_DROPDOWN: // Setup resolution dropdown
    00345         ShowDropDownMenu(this, BuildDynamicDropdown(SPECSTR_RESOLUTION_START, _num_resolutions), GetCurRes(), GOW_RESOLUTION_DROPDOWN, 0, 0);
    00346         break;
    00347
    00348       case GOW_FULLSCREEN_BUTTON: // Click fullscreen on/off
    00349         /* try to toggle full-screen on/off */
    00350         if (!ToggleFullScreen(!_fullscreen)) {
    00351           ShowErrorMessage(STR_ERROR_FULLSCREEN_FAILED, INVALID_STRING_ID, WL_ERROR);
    00352         }
    00353         this->SetWidgetLoweredState(GOW_FULLSCREEN_BUTTON, _fullscreen);
    00354         this->SetDirty();
    00355         break;
    00356
    00357       case GOW_SCREENSHOT_DROPDOWN: // Setup screenshot format dropdown
    00358         ShowDropDownMenu(this, BuildDynamicDropdown(SPECSTR_SCREENSHOT_START, _num_screenshot_formats), _cur_screenshot_format, GOW_SCREENSHOT_DROPDOWN, 0, 0);
    00359         break;
    00360
    00361       case GOW_BASE_GRF_DROPDOWN:
    00362         ShowSetMenu<BaseGraphics>(this, GOW_BASE_GRF_DROPDOWN);
    00363         break;
    00364
    00365       case GOW_BASE_SFX_DROPDOWN:
    00366         ShowSetMenu<BaseSounds>(this, GOW_BASE_SFX_DROPDOWN);
    00367         break;
    00368
    00369       case GOW_BASE_MUSIC_DROPDOWN:
    00370         ShowSetMenu<BaseMusic>(this, GOW_BASE_MUSIC_DROPDOWN);
    00371         break;
    00372     }
    00373   }
    00374
    00380   template <class T>
    00381   void SetMediaSet(int index)
    00382   {
    00383     if (_game_mode == GM_MENU) {
    00384       const char *name = T::GetSet(index)->name;
    00385
    00386       free(const_cast<char *>(T::ini_set));
    00387       T::ini_set = strdup(name);
    00388
    00389       T::SetSet(name);
    00390       this->reload = true;
    00391       this->InvalidateData();
    00392     }
    00393   }
    00394
    00395   virtual void OnDropdownSelect(int widget, int index)
    00396   {
    00397     switch (widget) {
    00398       case GOW_CURRENCY_DROPDOWN: // Currency
    00399         if (index == CUSTOM_CURRENCY_ID) ShowCustCurrency();
    00400         this->opt->locale.currency = index;
    00401         ReInitAllWindows();
    00402         break;
    00403
    00404       case GOW_DISTANCE_DROPDOWN: // Measuring units
    00405         this->opt->locale.units = index;
    00406         MarkWholeScreenDirty();
    00407         break;
    00408
    00409       case GOW_ROADSIDE_DROPDOWN: // Road side
    00410         if (this->opt->vehicle.road_side != index) { // only change if setting changed
    00411           uint i;
    00412           if (GetSettingFromName("vehicle.road_side", &i) == NULL) NOT_REACHED();
    00413           SetSettingValue(i, index);
    00414           MarkWholeScreenDirty();
    00415         }
    00416         break;
    00417
    00418       case GOW_TOWNNAME_DROPDOWN: // Town names
    00419         if (_game_mode == GM_MENU || Town::GetNumItems() == 0) {
    00420           this->opt->game_creation.town_name = index;
    00421           SetWindowDirty(WC_GAME_OPTIONS, 0);
    00422         }
    00423         break;
    00424
    00425       case GOW_AUTOSAVE_DROPDOWN: // Autosave options
    00426         _settings_client.gui.autosave = index;
    00427         this->SetDirty();
    00428         break;
    00429
    00430       case GOW_LANG_DROPDOWN: // Change interface language
    00431         ReadLanguagePack(&_languages[index]);
    00432         DeleteWindowByClass(WC_QUERY_STRING);
    00433         CheckForMissingGlyphsInLoadedLanguagePack();
    00434         UpdateAllVirtCoords();
    00435         ReInitAllWindows();
    00436         break;
    00437
    00438       case GOW_RESOLUTION_DROPDOWN: // Change resolution
    00439         if (index < _num_resolutions && ChangeResInGame(_resolutions[index].width, _resolutions[index].height)) {
    00440           this->SetDirty();
    00441         }
    00442         break;
    00443
    00444       case GOW_SCREENSHOT_DROPDOWN: // Change screenshot format
    00445         SetScreenshotFormat(index);
    00446         this->SetDirty();
    00447         break;
    00448
    00449       case GOW_BASE_GRF_DROPDOWN:
    00450         this->SetMediaSet<BaseGraphics>(index);
    00451         break;
    00452
    00453       case GOW_BASE_SFX_DROPDOWN:
    00454         this->SetMediaSet<BaseSounds>(index);
    00455         break;
    00456
    00457       case GOW_BASE_MUSIC_DROPDOWN:
    00458         this->SetMediaSet<BaseMusic>(index);
    00459         break;
    00460     }
    00461   }
    00462
    00468   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00469   {
    00470     if (!gui_scope) return;
    00471     this->SetWidgetLoweredState(GOW_FULLSCREEN_BUTTON, _fullscreen);
    00472
    00473     bool missing_files = BaseGraphics::GetUsedSet()->GetNumMissing() == 0;
    00474     this->GetWidget<NWidgetCore>(GOW_BASE_GRF_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_GRF_STATUS, STR_NULL);
    00475
    00476     missing_files = BaseMusic::GetUsedSet()->GetNumInvalid() == 0;
    00477     this->GetWidget<NWidgetCore>(GOW_BASE_MUSIC_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_MUSIC_STATUS, STR_NULL);
    00478   }
    00479 };
    00480
    00481 static const NWidgetPart _nested_game_options_widgets[] = {
    00482   NWidget(NWID_HORIZONTAL),
    00483     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00484     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00485   EndContainer(),
    00486   NWidget(WWT_PANEL, COLOUR_GREY, GOW_BACKGROUND), SetPIP(6, 6, 10),
    00487     NWidget(NWID_HORIZONTAL), SetPIP(10, 10, 10),
    00488       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
    00489         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CURRENCY_UNITS_FRAME, STR_NULL),
    00490           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),
    00491         EndContainer(),
    00492         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_ROAD_VEHICLES_FRAME, STR_NULL),
    00493           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),
    00494         EndContainer(),
    00495         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_AUTOSAVE_FRAME, STR_NULL),
    00496           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_AUTOSAVE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_TOOLTIP), SetFill(1, 0),
    00497         EndContainer(),
    00498         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_RESOLUTION, STR_NULL),
    00499           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),
    00500           NWidget(NWID_HORIZONTAL),
    00501             NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_FULLSCREEN, STR_NULL),
    00502             NWidget(WWT_TEXTBTN, COLOUR_GREY, GOW_FULLSCREEN_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_FULLSCREEN_TOOLTIP),
    00503           EndContainer(),
    00504         EndContainer(),
    00505       EndContainer(),
    00506
    00507       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
    00508         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_MEASURING_UNITS_FRAME, STR_NULL),
    00509           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),
    00510         EndContainer(),
    00511         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_TOWN_NAMES_FRAME, STR_NULL),
    00512           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),
    00513         EndContainer(),
    00514         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_LANGUAGE, STR_NULL),
    00515           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_LANG_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_LANGUAGE_TOOLTIP), SetFill(1, 0),
    00516         EndContainer(),
    00517         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_SCREENSHOT_FORMAT, STR_NULL),
    00518           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_SCREENSHOT_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_SCREENSHOT_FORMAT_TOOLTIP), SetFill(1, 0),
    00519         EndContainer(),
    00520         NWidget(NWID_SPACER), SetMinimalSize(0, 0), SetFill(0, 1),
    00521       EndContainer(),
    00522     EndContainer(),
    00523
    00524     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_GRF, STR_NULL), SetPadding(0, 10, 0, 10),
    00525       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00526         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_GRF_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_GRF_TOOLTIP),
    00527         NWidget(WWT_TEXT, COLOUR_GREY, GOW_BASE_GRF_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
    00528       EndContainer(),
    00529       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),
    00530     EndContainer(),
    00531
    00532     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_SFX, STR_NULL), SetPadding(0, 10, 0, 10),
    00533       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00534         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_SFX_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_SFX_TOOLTIP),
    00535         NWidget(NWID_SPACER), SetFill(1, 0),
    00536       EndContainer(),
    00537       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),
    00538     EndContainer(),
    00539
    00540     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_MUSIC, STR_NULL), SetPadding(0, 10, 0, 10),
    00541       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00542         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_MUSIC_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_MUSIC_TOOLTIP),
    00543         NWidget(WWT_TEXT, COLOUR_GREY, GOW_BASE_MUSIC_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
    00544       EndContainer(),
    00545       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),
    00546     EndContainer(),
    00547   EndContainer(),
    00548 };
    00549
    00550 static const WindowDesc _game_options_desc(
    00551   WDP_CENTER, 0, 0,
    00552   WC_GAME_OPTIONS, WC_NONE,
    00553   WDF_UNCLICK_BUTTONS,
    00554   _nested_game_options_widgets, lengthof(_nested_game_options_widgets)
    00555 );
    00556
    00558 void ShowGameOptions()
    00559 {
    00560   DeleteWindowById(WC_GAME_OPTIONS, 0);
    00561   new GameOptionsWindow(&_game_options_desc);
    00562 }
    00563
    00564 extern void StartupEconomy();
    00565
    00566
    00567 /* Names of the game difficulty settings window */
    00568 enum GameDifficultyWidgets {
    00569   GDW_LVL_EASY,
    00570   GDW_LVL_MEDIUM,
    00571   GDW_LVL_HARD,
    00572   GDW_LVL_CUSTOM,
    00573   GDW_HIGHSCORE,
    00574   GDW_ACCEPT,
    00575   GDW_CANCEL,
    00576
    00577   GDW_OPTIONS_START,
    00578 };
    00579
    00580 void SetDifficultyLevel(int mode, DifficultySettings *gm_opt);
    00581
    00582 class GameDifficultyWindow : public Window {
    00583 private:
    00584   /* Temporary holding place of values in the difficulty window until 'Save' is clicked */
    00585   GameSettings opt_mod_temp;
    00586
    00587 public:
    00589   static const uint GAME_DIFFICULTY_NUM = 18;
    00591   static const uint WIDGETS_PER_DIFFICULTY = 3;
    00592
    00593   GameDifficultyWindow(const WindowDesc *desc) : Window()
    00594   {
    00595     this->InitNested(desc);
    00596
    00597     /* Copy current settings (ingame or in intro) to temporary holding place
    00598      * change that when setting stuff, copy back on clicking 'OK' */
    00599     this->opt_mod_temp = GetGameSettings();
    00600     /* Setup disabled buttons when creating window
    00601      * disable all other difficulty buttons during gameplay except for 'custom' */
    00602     this->SetWidgetsDisabledState(_game_mode != GM_MENU,
    00603       GDW_LVL_EASY,
    00604       GDW_LVL_MEDIUM,
    00605       GDW_LVL_HARD,
    00606       GDW_LVL_CUSTOM,
    00607       WIDGET_LIST_END);
    00608     this->SetWidgetDisabledState(GDW_HIGHSCORE, _game_mode == GM_EDITOR || _networking); // highscore chart in multiplayer
    00609     this->SetWidgetDisabledState(GDW_ACCEPT, _networking && !_network_server); // Save-button in multiplayer (and if client)
    00610     this->LowerWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
    00611     this->OnInvalidateData();
    00612   }
    00613
    00614   virtual void SetStringParameters(int widget) const
    00615   {
    00616     widget -= GDW_OPTIONS_START;
    00617     if (widget < 0 || (widget % 3) != 2) return;
    00618
    00619     widget /= 3;
    00620
    00621     uint i;
    00622     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + widget;
    00623     int32 value = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
    00624     SetDParam(0, sd->desc.str + value);
    00625   }
    00626
    00627   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00628   {
    00629     /* Only for the 'descriptions' */
    00630     int index = widget - GDW_OPTIONS_START;
    00631     if (index < 0 || (index % 3) != 2) return;
    00632
    00633     index /= 3;
    00634
    00635     uint i;
    00636     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + index;
    00637     const SettingDescBase *sdb = &sd->desc;
    00638
    00639     /* Get the string and try all strings from the smallest to the highest value */
    00640     StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
    00641     for (int32 value = sdb->min; (uint32)value <= sdb->max; value += sdb->interval) {
    00642       SetDParam(0, sdb->str + value);
    00643       *size = maxdim(*size, GetStringBoundingBox(str));
    00644     }
    00645   }
    00646
    00647   virtual void OnClick(Point pt, int widget, int click_count)
    00648   {
    00649     if (widget >= GDW_OPTIONS_START) {
    00650       widget -= GDW_OPTIONS_START;
    00651       if ((widget % 3) == 2) return;
    00652
    00653       /* Don't allow clients to make any changes */
    00654       if (_networking && !_network_server) return;
    00655
    00656       uint i;
    00657       const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + (widget / 3);
    00658       const SettingDescBase *sdb = &sd->desc;
    00659
    00660       int32 val = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
    00661       if (widget % 3 == 1) {
    00662         /* Increase button clicked */
    00663         val = min(val + sdb->interval, (int32)sdb->max);
    00664       } else {
    00665         /* Decrease button clicked */
    00666         val -= sdb->interval;
    00667         val = max(val, sdb->min);
    00668       }
    00669
    00670       /* save value in temporary variable */
    00671       WriteValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv, val);
    00672       this->RaiseWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
    00673       SetDifficultyLevel(3, &this->opt_mod_temp.difficulty); // set difficulty level to custom
    00674       this->LowerWidget(GDW_LVL_CUSTOM);
    00675       this->InvalidateData();
    00676
    00677       if (widget / 3 == 0 &&
    00678 #ifdef ENABLE_AI
    00679           AI::GetInfoList()->size() == 0 &&
    00680 #endif /* ENABLE_AI */
    00681           this->opt_mod_temp.difficulty.max_no_competitors != 0) {
    00682         ShowErrorMessage(STR_WARNING_NO_SUITABLE_AI, INVALID_STRING_ID, WL_CRITICAL);
    00683       }
    00684       return;
    00685     }
    00686
    00687     switch (widget) {
    00688       case GDW_LVL_EASY:
    00689       case GDW_LVL_MEDIUM:
    00690       case GDW_LVL_HARD:
    00691       case GDW_LVL_CUSTOM:
    00692         /* temporarily change difficulty level */
    00693         this->RaiseWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
    00694         SetDifficultyLevel(widget - GDW_LVL_EASY, &this->opt_mod_temp.difficulty);
    00695         this->LowerWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
    00696         this->InvalidateData();
    00697         break;
    00698
    00699       case GDW_HIGHSCORE: // Highscore Table
    00700         ShowHighscoreTable(this->opt_mod_temp.difficulty.diff_level, -1);
    00701         break;
    00702
    00703       case GDW_ACCEPT: { // Save button - save changes
    00704         GameSettings *opt_ptr = &GetGameSettings();
    00705
    00706         uint i;
    00707         GetSettingFromName("difficulty.diff_level", &i);
    00708         DoCommandP(0, i, this->opt_mod_temp.difficulty.diff_level, CMD_CHANGE_SETTING);
    00709
    00710         const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
    00711         for (uint btn = 0; btn != GAME_DIFFICULTY_NUM; btn++, sd++) {
    00712           int32 new_val = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
    00713           int32 cur_val = (int32)ReadValue(GetVariableAddress(opt_ptr, &sd->save), sd->save.conv);
    00714           /* if setting has changed, change it */
    00715           if (new_val != cur_val) {
    00716             DoCommandP(0, i + btn, new_val, CMD_CHANGE_SETTING);
    00717           }
    00718         }
    00719         delete this;
    00720         /* If we are in the editor, we should reload the economy.
    00721          * This way when you load a game, the max loan and interest rate
    00722          * are loaded correctly. */
    00723         if (_game_mode == GM_EDITOR) StartupEconomy();
    00724         break;
    00725       }
    00726
    00727       case GDW_CANCEL: // Cancel button - close window, abandon changes
    00728         delete this;
    00729         break;
    00730     }
    00731   }
    00732
    00738   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00739   {
    00740     if (!gui_scope) return;
    00741     uint i;
    00742     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
    00743     for (i = 0; i < GAME_DIFFICULTY_NUM; i++, sd++) {
    00744       const SettingDescBase *sdb = &sd->desc;
    00745       /* skip deprecated difficulty options */
    00746       if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
    00747       int32 value = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
    00748       bool disable = (sd->desc.flags & SGF_NEWGAME_ONLY) &&
    00749           (_game_mode == GM_NORMAL ||
    00750           (_game_mode == GM_EDITOR && (sd->desc.flags & SGF_SCENEDIT_TOO) == 0));
    00751
    00752       this->SetWidgetDisabledState(GDW_OPTIONS_START + i * 3 + 0, disable || sdb->min == value);
    00753       this->SetWidgetDisabledState(GDW_OPTIONS_START + i * 3 + 1, disable || sdb->max == (uint32)value);
    00754     }
    00755   }
    00756 };
    00757
    00758 static NWidgetBase *MakeDifficultyOptionsWidgets(int *biggest_index)
    00759 {
    00760   NWidgetVertical *vert_desc = new NWidgetVertical;
    00761
    00762   int widnum = GDW_OPTIONS_START;
    00763   uint i, j;
    00764   const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
    00765
    00766   for (i = 0, j = 0; i < GameDifficultyWindow::GAME_DIFFICULTY_NUM; i++, sd++, widnum += GameDifficultyWindow::WIDGETS_PER_DIFFICULTY) {
    00767     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
    00768
    00769     NWidgetHorizontal *hor = new NWidgetHorizontal;
    00770
    00771     /* [<] button. */
    00772     NWidgetLeaf *leaf = new NWidgetLeaf(WWT_PUSHARROWBTN, COLOUR_YELLOW, widnum, AWV_DECREASE, STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST);
    00773     hor->Add(leaf);
    00774
    00775     /* [>] button. */
    00776     leaf = new NWidgetLeaf(WWT_PUSHARROWBTN, COLOUR_YELLOW, widnum + 1, AWV_INCREASE, STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST);
    00777     hor->Add(leaf);
    00778
    00779     /* Some spacing between the text and the description */
    00780     NWidgetSpacer *spacer = new NWidgetSpacer(5, 0);
    00781     hor->Add(spacer);
    00782
    00783     /* Descriptive text. */
    00784     leaf = new NWidgetLeaf(WWT_TEXT, COLOUR_YELLOW, widnum + 2, STR_DIFFICULTY_LEVEL_SETTING_MAXIMUM_NO_COMPETITORS + (j++), STR_NULL);
    00785     leaf->SetFill(1, 0);
    00786     hor->Add(leaf);
    00787     vert_desc->Add(hor);
    00788
    00789     /* Space vertically */
    00790     vert_desc->Add(new NWidgetSpacer(0, 2));
    00791   }
    00792   *biggest_index = widnum - 1;
    00793   return vert_desc;
    00794 }
    00795
    00796
    00798 static const NWidgetPart _nested_game_difficulty_widgets[] = {
    00799   NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_DIFFICULTY_LEVEL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00800   NWidget(WWT_PANEL, COLOUR_MAUVE),
    00801     NWidget(NWID_VERTICAL), SetPIP(2, 0, 2),
    00802       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
    00803         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_EASY), SetDataTip(STR_DIFFICULTY_LEVEL_EASY, STR_NULL), SetFill(1, 0),
    00804         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_MEDIUM), SetDataTip(STR_DIFFICULTY_LEVEL_MEDIUM, STR_NULL), SetFill(1, 0),
    00805         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_HARD), SetDataTip(STR_DIFFICULTY_LEVEL_HARD, STR_NULL), SetFill(1, 0),
    00806         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_CUSTOM), SetDataTip(STR_DIFFICULTY_LEVEL_CUSTOM, STR_NULL), SetFill(1, 0),
    00807       EndContainer(),
    00808       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 10),
    00809         NWidget(WWT_PUSHTXTBTN, COLOUR_GREEN, GDW_HIGHSCORE), SetDataTip(STR_DIFFICULTY_LEVEL_HIGH_SCORE_BUTTON, STR_NULL), SetFill(1, 0),
    00810       EndContainer(),
    00811     EndContainer(),
    00812   EndContainer(),
    00813   NWidget(WWT_PANEL, COLOUR_MAUVE),
    00814     NWidget(NWID_VERTICAL), SetPIP(3, 0, 1),
    00815       NWidget(NWID_HORIZONTAL), SetPIP(5, 0, 5),
    00816         NWidgetFunction(MakeDifficultyOptionsWidgets),
    00817       EndContainer(),
    00818     EndContainer(),
    00819   EndContainer(),
    00820   NWidget(WWT_PANEL, COLOUR_MAUVE),
    00821     NWidget(NWID_VERTICAL), SetPIP(2, 0, 2),
    00822       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
    00823         NWidget(NWID_SPACER), SetFill(1, 0),
    00824         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, GDW_ACCEPT), SetDataTip(STR_DIFFICULTY_LEVEL_SAVE, STR_NULL), SetFill(1, 0),
    00825         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, GDW_CANCEL), SetDataTip(STR_BUTTON_CANCEL, STR_NULL), SetFill(1, 0),
    00826         NWidget(NWID_SPACER), SetFill(1, 0),
    00827       EndContainer(),
    00828     EndContainer(),
    00829   EndContainer(),
    00830 };
    00831
    00833 static const WindowDesc _game_difficulty_desc(
    00834   WDP_CENTER, 0, 0,
    00835   WC_GAME_OPTIONS, WC_NONE,
    00836   WDF_UNCLICK_BUTTONS,
    00837   _nested_game_difficulty_widgets, lengthof(_nested_game_difficulty_widgets)
    00838 );
    00839
    00841 void ShowGameDifficulty()
    00842 {
    00843   DeleteWindowById(WC_GAME_OPTIONS, 0);
    00844   new GameDifficultyWindow(&_game_difficulty_desc);
    00845 }
    00846
    00847 static int SETTING_HEIGHT = 11;
    00848 static const int LEVEL_WIDTH = 15;
    00849
    00854 enum SettingEntryFlags {
    00855   SEF_LEFT_DEPRESSED  = 0x01,
    00856   SEF_RIGHT_DEPRESSED = 0x02,
    00857   SEF_BUTTONS_MASK = (SEF_LEFT_DEPRESSED | SEF_RIGHT_DEPRESSED),
    00858
    00859   SEF_LAST_FIELD = 0x04,
    00860
    00861   /* Entry kind */
    00862   SEF_SETTING_KIND = 0x10,
    00863   SEF_SUBTREE_KIND = 0x20,
    00864   SEF_KIND_MASK    = (SEF_SETTING_KIND | SEF_SUBTREE_KIND),
    00865 };
    00866
    00867 struct SettingsPage; // Forward declaration
    00868
    00870 struct SettingEntrySubtree {
    00871   SettingsPage *page;
    00872   bool folded;
    00873   StringID title;
    00874 };
    00875
    00877 struct SettingEntrySetting {
    00878   const char *name;
    00879   const SettingDesc *setting;
    00880   uint index;
    00881 };
    00882
    00884 struct SettingEntry {
    00885   byte flags;
    00886   byte level;
    00887   union {
    00888     SettingEntrySetting entry;
    00889     SettingEntrySubtree sub;
    00890   } d;
    00891
    00892   SettingEntry(const char *nm);
    00893   SettingEntry(SettingsPage *sub, StringID title);
    00894
    00895   void Init(byte level, bool last_field);
    00896   void FoldAll();
    00897   void SetButtons(byte new_val);
    00898
    00899   uint Length() const;
    00900   SettingEntry *FindEntry(uint row, uint *cur_row);
    00901
    00902   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);
    00903
    00904 private:
    00905   void DrawSetting(GameSettings *settings_ptr, const SettingDesc *sd, int x, int y, int max_x, int state);
    00906 };
    00907
    00909 struct SettingsPage {
    00910   SettingEntry *entries;
    00911   byte num;
    00912
    00913   void Init(byte level = 0);
    00914   void FoldAll();
    00915
    00916   uint Length() const;
    00917   SettingEntry *FindEntry(uint row, uint *cur_row) const;
    00918
    00919   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;
    00920 };
    00921
    00922
    00923 /* == SettingEntry methods == */
    00924
    00929 SettingEntry::SettingEntry(const char *nm)
    00930 {
    00931   this->flags = SEF_SETTING_KIND;
    00932   this->level = 0;
    00933   this->d.entry.name = nm;
    00934   this->d.entry.setting = NULL;
    00935   this->d.entry.index = 0;
    00936 }
    00937
    00943 SettingEntry::SettingEntry(SettingsPage *sub, StringID title)
    00944 {
    00945   this->flags = SEF_SUBTREE_KIND;
    00946   this->level = 0;
    00947   this->d.sub.page = sub;
    00948   this->d.sub.folded = true;
    00949   this->d.sub.title = title;
    00950 }
    00951
    00957 void SettingEntry::Init(byte level, bool last_field)
    00958 {
    00959   this->level = level;
    00960   if (last_field) this->flags |= SEF_LAST_FIELD;
    00961
    00962   switch (this->flags & SEF_KIND_MASK) {
    00963     case SEF_SETTING_KIND:
    00964       this->d.entry.setting = GetSettingFromName(this->d.entry.name, &this->d.entry.index);
    00965       assert(this->d.entry.setting != NULL);
    00966       break;
    00967     case SEF_SUBTREE_KIND:
    00968       this->d.sub.page->Init(level + 1);
    00969       break;
    00970     default: NOT_REACHED();
    00971   }
    00972 }
    00973
    00975 void SettingEntry::FoldAll()
    00976 {
    00977   switch (this->flags & SEF_KIND_MASK) {
    00978     case SEF_SETTING_KIND:
    00979       break;
    00980
    00981     case SEF_SUBTREE_KIND:
    00982       this->d.sub.folded = true;
    00983       this->d.sub.page->FoldAll();
    00984       break;
    00985
    00986     default: NOT_REACHED();
    00987   }
    00988 }
    00989
    00990
    00996 void SettingEntry::SetButtons(byte new_val)
    00997 {
    00998   assert((new_val & ~SEF_BUTTONS_MASK) == 0); // Should not touch any flags outside the buttons
    00999   this->flags = (this->flags & ~SEF_BUTTONS_MASK) | new_val;
    01000 }
    01001
    01003 uint SettingEntry::Length() const
    01004 {
    01005   switch (this->flags & SEF_KIND_MASK) {
    01006     case SEF_SETTING_KIND:
    01007       return 1;
    01008     case SEF_SUBTREE_KIND:
    01009       if (this->d.sub.folded) return 1; // Only displaying the title
    01010
    01011       return 1 + this->d.sub.page->Length(); // 1 extra row for the title
    01012     default: NOT_REACHED();
    01013   }
    01014 }
    01015
    01022 SettingEntry *SettingEntry::FindEntry(uint row_num, uint *cur_row)
    01023 {
    01024   if (row_num == *cur_row) return this;
    01025
    01026   switch (this->flags & SEF_KIND_MASK) {
    01027     case SEF_SETTING_KIND:
    01028       (*cur_row)++;
    01029       break;
    01030     case SEF_SUBTREE_KIND:
    01031       (*cur_row)++; // add one for row containing the title
    01032       if (this->d.sub.folded) {
    01033         break;
    01034       }
    01035
    01036       /* sub-page is visible => search it too */
    01037       return this->d.sub.page->FindEntry(row_num, cur_row);
    01038     default: NOT_REACHED();
    01039   }
    01040   return NULL;
    01041 }
    01042
    01069 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)
    01070 {
    01071   if (cur_row >= max_row) return cur_row;
    01072
    01073   bool rtl = _current_text_dir == TD_RTL;
    01074   int offset = rtl ? -4 : 4;
    01075   int level_width = rtl ? -LEVEL_WIDTH : LEVEL_WIDTH;
    01076
    01077   int x = rtl ? right : left;
    01078   int y = base_y;
    01079   if (cur_row >= first_row) {
    01080     int colour = _colour_gradient[COLOUR_ORANGE][4];
    01081     y = base_y + (cur_row - first_row) * SETTING_HEIGHT; // Compute correct y start position
    01082
    01083     /* Draw vertical for parent nesting levels */
    01084     for (uint lvl = 0; lvl < this->level; lvl++) {
    01085       if (!HasBit(parent_last, lvl)) GfxDrawLine(x + offset, y, x + offset, y + SETTING_HEIGHT - 1, colour);
    01086       x += level_width;
    01087     }
    01088     /* draw own |- prefix */
    01089     int halfway_y = y + SETTING_HEIGHT / 2;
    01090     int bottom_y = (flags & SEF_LAST_FIELD) ? halfway_y : y + SETTING_HEIGHT - 1;
    01091     GfxDrawLine(x + offset, y, x + offset, bottom_y, colour);
    01092     /* Small horizontal line from the last vertical line */
    01093     GfxDrawLine(x + offset, halfway_y, x + level_width - offset, halfway_y, colour);
    01094     x += level_width;
    01095   }
    01096
    01097   switch (this->flags & SEF_KIND_MASK) {
    01098     case SEF_SETTING_KIND:
    01099       if (cur_row >= first_row) {
    01100         DrawSetting(settings_ptr, this->d.entry.setting, rtl ? left : x, rtl ? x : right, y, this->flags & SEF_BUTTONS_MASK);
    01101       }
    01102       cur_row++;
    01103       break;
    01104     case SEF_SUBTREE_KIND:
    01105       if (cur_row >= first_row) {
    01106         DrawSprite((this->d.sub.folded ? SPR_CIRCLE_FOLDED : SPR_CIRCLE_UNFOLDED), PAL_NONE, rtl ? x - 8 : x, y + (SETTING_HEIGHT - 11) / 2);
    01107         DrawString(rtl ? left : x + 12, rtl ? x - 12 : right, y, this->d.sub.title);
    01108       }
    01109       cur_row++;
    01110       if (!this->d.sub.folded) {
    01111         if (this->flags & SEF_LAST_FIELD) {
    01112           assert(this->level < sizeof(parent_last));
    01113           SetBit(parent_last, this->level); // Add own last-field state
    01114         }
    01115
    01116         cur_row = this->d.sub.page->Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last);
    01117       }
    01118       break;
    01119     default: NOT_REACHED();
    01120   }
    01121   return cur_row;
    01122 }
    01123
    01124 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd)
    01125 {
    01126   if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    01127     if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
    01128       return GetVariableAddress(&Company::Get(_local_company)->settings, &sd->save);
    01129     } else {
    01130       return GetVariableAddress(&_settings_client.company, &sd->save);
    01131     }
    01132   } else {
    01133     return GetVariableAddress(settings_ptr, &sd->save);
    01134   }
    01135 }
    01136
    01146 void SettingEntry::DrawSetting(GameSettings *settings_ptr, const SettingDesc *sd, int left, int right, int y, int state)
    01147 {
    01148   const SettingDescBase *sdb = &sd->desc;
    01149   const void *var = ResolveVariableAddress(settings_ptr, sd);
    01150   bool editable = true;
    01151   bool disabled = false;
    01152
    01153   bool rtl = _current_text_dir == TD_RTL;
    01154   uint buttons_left = rtl ? right - 19 : left;
    01155   uint text_left  = left + (rtl ? 0 : 25);
    01156   uint text_right = right - (rtl ? 25 : 0);
    01157   uint button_y = y + (SETTING_HEIGHT - 11) / 2;
    01158
    01159   /* We do not allow changes of some items when we are a client in a networkgame */
    01160   if (!(sd->save.conv & SLF_NETWORK_NO) && _networking && !_network_server && !(sdb->flags & SGF_PER_COMPANY)) editable = false;
    01161   if ((sdb->flags & SGF_NETWORK_ONLY) && !_networking) editable = false;
    01162   if ((sdb->flags & SGF_NO_NETWORK) && _networking) editable = false;
    01163
    01164   if (sdb->cmd == SDT_BOOLX) {
    01165     static const Colours _bool_ctabs[2][2] = {{COLOUR_CREAM, COLOUR_RED}, {COLOUR_DARK_GREEN, COLOUR_GREEN}};
    01166     /* Draw checkbox for boolean-value either on/off */
    01167     bool on = ReadValue(var, sd->save.conv) != 0;
    01168
    01169     DrawFrameRect(buttons_left, button_y, buttons_left + 19, button_y + 8, _bool_ctabs[!!on][!!editable], on ? FR_LOWERED : FR_NONE);
    01170     SetDParam(0, on ? STR_CONFIG_SETTING_ON : STR_CONFIG_SETTING_OFF);
    01171   } else {
    01172     int32 value;
    01173
    01174     value = (int32)ReadValue(var, sd->save.conv);
    01175
    01176     /* Draw [<][>] boxes for settings of an integer-type */
    01177     DrawArrowButtons(buttons_left, button_y, COLOUR_YELLOW, state, editable && value != (sdb->flags & SGF_0ISDISABLED ? 0 : sdb->min), editable && (uint32)value != sdb->max);
    01178
    01179     disabled = (value == 0) && (sdb->flags & SGF_0ISDISABLED);
    01180     if (disabled) {
    01181       SetDParam(0, STR_CONFIG_SETTING_DISABLED);
    01182     } else {
    01183       if (sdb->flags & SGF_CURRENCY) {
    01184         SetDParam(0, STR_JUST_CURRENCY);
    01185       } else if (sdb->flags & SGF_MULTISTRING) {
    01186         SetDParam(0, sdb->str - sdb->min + value + 1);
    01187       } else {
    01188         SetDParam(0, (sdb->flags & SGF_NOCOMMA) ? STR_JUST_INT : STR_JUST_COMMA);
    01189       }
    01190       SetDParam(1, value);
    01191     }
    01192   }
    01193   DrawString(text_left, text_right, y, (sdb->str) + disabled);
    01194 }
    01195
    01196
    01197 /* == SettingsPage methods == */
    01198
    01203 void SettingsPage::Init(byte level)
    01204 {
    01205   for (uint field = 0; field < this->num; field++) {
    01206     this->entries[field].Init(level, field + 1 == num);
    01207   }
    01208 }
    01209
    01211 void SettingsPage::FoldAll()
    01212 {
    01213   for (uint field = 0; field < this->num; field++) {
    01214     this->entries[field].FoldAll();
    01215   }
    01216 }
    01217
    01219 uint SettingsPage::Length() const
    01220 {
    01221   uint length = 0;
    01222   for (uint field = 0; field < this->num; field++) {
    01223     length += this->entries[field].Length();
    01224   }
    01225   return length;
    01226 }
    01227
    01234 SettingEntry *SettingsPage::FindEntry(uint row_num, uint *cur_row) const
    01235 {
    01236   SettingEntry *pe = NULL;
    01237
    01238   for (uint field = 0; field < this->num; field++) {
    01239     pe = this->entries[field].FindEntry(row_num, cur_row);
    01240     if (pe != NULL) {
    01241       break;
    01242     }
    01243   }
    01244   return pe;
    01245 }
    01246
    01264 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
    01265 {
    01266   if (cur_row >= max_row) return cur_row;
    01267
    01268   for (uint i = 0; i < this->num; i++) {
    01269     cur_row = this->entries[i].Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last);
    01270     if (cur_row >= max_row) {
    01271       break;
    01272     }
    01273   }
    01274   return cur_row;
    01275 }
    01276
    01277
    01278 static SettingEntry _settings_ui_display[] = {
    01279   SettingEntry("gui.date_format_in_default_names"),
    01280   SettingEntry("gui.population_in_label"),
    01281   SettingEntry("gui.measure_tooltip"),
    01282   SettingEntry("gui.loading_indicators"),
    01283   SettingEntry("gui.liveries"),
    01284   SettingEntry("gui.show_track_reservation"),
    01285   SettingEntry("gui.expenses_layout"),
    01286   SettingEntry("gui.smallmap_land_colour"),
    01287 };
    01289 static SettingsPage _settings_ui_display_page = {_settings_ui_display, lengthof(_settings_ui_display)};
    01290
    01291 static SettingEntry _settings_ui_interaction[] = {
    01292   SettingEntry("gui.window_snap_radius"),
    01293   SettingEntry("gui.window_soft_limit"),
    01294   SettingEntry("gui.link_terraform_toolbar"),
    01295   SettingEntry("gui.prefer_teamchat"),
    01296   SettingEntry("gui.autoscroll"),
    01297   SettingEntry("gui.reverse_scroll"),
    01298   SettingEntry("gui.smooth_scroll"),
    01299   SettingEntry("gui.left_mouse_btn_scrolling"),
    01300   /* While the horizontal scrollwheel scrolling is written as general code, only
    01301    *  the cocoa (OSX) driver generates input for it.
    01302    *  Since it's also able to completely disable the scrollwheel will we display it on all platforms anyway */
    01303   SettingEntry("gui.scrollwheel_scrolling"),
    01304   SettingEntry("gui.scrollwheel_multiplier"),
    01305 #ifdef __APPLE__
    01306   /* We might need to emulate a right mouse button on mac */
    01307   SettingEntry("gui.right_mouse_btn_emulation"),
    01308 #endif
    01309 };
    01311 static SettingsPage _settings_ui_interaction_page = {_settings_ui_interaction, lengthof(_settings_ui_interaction)};
    01312
    01313 static SettingEntry _settings_ui[] = {
    01314   SettingEntry(&_settings_ui_display_page, STR_CONFIG_SETTING_DISPLAY_OPTIONS),
    01315   SettingEntry(&_settings_ui_interaction_page, STR_CONFIG_SETTING_INTERACTION),
    01316   SettingEntry("gui.show_finances"),
    01317   SettingEntry("gui.errmsg_duration"),
    01318   SettingEntry("gui.hover_delay"),
    01319   SettingEntry("gui.toolbar_pos"),
    01320   SettingEntry("gui.statusbar_pos"),
    01321   SettingEntry("gui.pause_on_newgame"),
    01322   SettingEntry("gui.advanced_vehicle_list"),
    01323   SettingEntry("gui.timetable_in_ticks"),
    01324   SettingEntry("gui.timetable_arrival_departure"),
    01325   SettingEntry("gui.quick_goto"),
    01326   SettingEntry("gui.default_rail_type"),
    01327   SettingEntry("gui.disable_unsuitable_building"),
    01328   SettingEntry("gui.persistent_buildingtools"),
    01329   SettingEntry("gui.coloured_news_year"),
    01330 };
    01332 static SettingsPage _settings_ui_page = {_settings_ui, lengthof(_settings_ui)};
    01333
    01334 static SettingEntry _settings_construction_signals[] = {
    01335   SettingEntry("construction.signal_side"),
    01336   SettingEntry("gui.enable_signal_gui"),
    01337   SettingEntry("gui.drag_signals_density"),
    01338   SettingEntry("gui.semaphore_build_before"),
    01339   SettingEntry("gui.default_signal_type"),
    01340   SettingEntry("gui.cycle_signal_types"),
    01341 };
    01343 static SettingsPage _settings_construction_signals_page = {_settings_construction_signals, lengthof(_settings_construction_signals)};
    01344
    01345 static SettingEntry _settings_construction[] = {
    01346   SettingEntry(&_settings_construction_signals_page, STR_CONFIG_SETTING_CONSTRUCTION_SIGNALS),
    01347   SettingEntry("construction.build_on_slopes"),
    01348   SettingEntry("construction.autoslope"),
    01349   SettingEntry("construction.extra_dynamite"),
    01350   SettingEntry("construction.max_bridge_length"),
    01351   SettingEntry("construction.max_tunnel_length"),
    01352   SettingEntry("station.never_expire_airports"),
    01353   SettingEntry("construction.freeform_edges"),
    01354   SettingEntry("construction.extra_tree_placement"),
    01355   SettingEntry("construction.command_pause_level"),
    01356 };
    01358 static SettingsPage _settings_construction_page = {_settings_construction, lengthof(_settings_construction)};
    01359
    01360 static SettingEntry _settings_stations_cargo[] = {
    01361   SettingEntry("order.improved_load"),
    01362   SettingEntry("order.gradual_loading"),
    01363   SettingEntry("order.selectgoods"),
    01364 };
    01366 static SettingsPage _settings_stations_cargo_page = {_settings_stations_cargo, lengthof(_settings_stations_cargo)};
    01367
    01368 static SettingEntry _settings_stations[] = {
    01369   SettingEntry(&_settings_stations_cargo_page, STR_CONFIG_SETTING_STATIONS_CARGOHANDLING),
    01370   SettingEntry("station.adjacent_stations"),
    01371   SettingEntry("station.distant_join_stations"),
    01372   SettingEntry("station.station_spread"),
    01373   SettingEntry("economy.station_noise_level"),
    01374   SettingEntry("station.modified_catchment"),
    01375   SettingEntry("construction.road_stop_on_town_road"),
    01376   SettingEntry("construction.road_stop_on_competitor_road"),
    01377 };
    01379 static SettingsPage _settings_stations_page = {_settings_stations, lengthof(_settings_stations)};
    01380
    01381 static SettingEntry _settings_economy_towns[] = {
    01382   SettingEntry("economy.bribe"),
    01383   SettingEntry("economy.exclusive_rights"),
    01384   SettingEntry("economy.fund_roads"),
    01385   SettingEntry("economy.town_layout"),
    01386   SettingEntry("economy.allow_town_roads"),
    01387   SettingEntry("economy.allow_town_level_crossings"),
    01388   SettingEntry("economy.found_town"),
    01389   SettingEntry("economy.mod_road_rebuild"),
    01390   SettingEntry("economy.town_growth_rate"),
    01391   SettingEntry("economy.larger_towns"),
    01392   SettingEntry("economy.initial_city_size"),
    01393 };
    01395 static SettingsPage _settings_economy_towns_page = {_settings_economy_towns, lengthof(_settings_economy_towns)};
    01396
    01397 static SettingEntry _settings_economy_industries[] = {
    01398   SettingEntry("construction.raw_industry_construction"),
    01399   SettingEntry("construction.industry_platform"),
    01400   SettingEntry("economy.multiple_industry_per_town"),
    01401   SettingEntry("game_creation.oil_refinery_limit"),
    01402 };
    01404 static SettingsPage _settings_economy_industries_page = {_settings_economy_industries, lengthof(_settings_economy_industries)};
    01405
    01406 static SettingEntry _settings_economy[] = {
    01407   SettingEntry(&_settings_economy_towns_page, STR_CONFIG_SETTING_ECONOMY_TOWNS),
    01408   SettingEntry(&_settings_economy_industries_page, STR_CONFIG_SETTING_ECONOMY_INDUSTRIES),
    01409   SettingEntry("economy.inflation"),
    01410   SettingEntry("economy.smooth_economy"),
    01411   SettingEntry("economy.feeder_payment_share"),
    01412 };
    01414 static SettingsPage _settings_economy_page = {_settings_economy, lengthof(_settings_economy)};
    01415
    01416 static SettingEntry _settings_ai_npc[] = {
    01417   SettingEntry("ai.ai_in_multiplayer"),
    01418   SettingEntry("ai.ai_disable_veh_train"),
    01419   SettingEntry("ai.ai_disable_veh_roadveh"),
    01420   SettingEntry("ai.ai_disable_veh_aircraft"),
    01421   SettingEntry("ai.ai_disable_veh_ship"),
    01422   SettingEntry("ai.ai_max_opcode_till_suspend"),
    01423 };
    01425 static SettingsPage _settings_ai_npc_page = {_settings_ai_npc, lengthof(_settings_ai_npc)};
    01426
    01427 static SettingEntry _settings_ai[] = {
    01428   SettingEntry(&_settings_ai_npc_page, STR_CONFIG_SETTING_AI_NPC),
    01429   SettingEntry("economy.give_money"),
    01430   SettingEntry("economy.allow_shares"),
    01431 };
    01433 static SettingsPage _settings_ai_page = {_settings_ai, lengthof(_settings_ai)};
    01434
    01435 static SettingEntry _settings_vehicles_routing[] = {
    01436   SettingEntry("pf.pathfinder_for_trains"),
    01437   SettingEntry("pf.forbid_90_deg"),
    01438   SettingEntry("pf.pathfinder_for_roadvehs"),
    01439   SettingEntry("pf.roadveh_queue"),
    01440   SettingEntry("pf.pathfinder_for_ships"),
    01441 };
    01443 static SettingsPage _settings_vehicles_routing_page = {_settings_vehicles_routing, lengthof(_settings_vehicles_routing)};
    01444
    01445 static SettingEntry _settings_vehicles_autorenew[] = {
    01446   SettingEntry("company.engine_renew"),
    01447   SettingEntry("company.engine_renew_months"),
    01448   SettingEntry("company.engine_renew_money"),
    01449 };
    01451 static SettingsPage _settings_vehicles_autorenew_page = {_settings_vehicles_autorenew, lengthof(_settings_vehicles_autorenew)};
    01452
    01453 static SettingEntry _settings_vehicles_servicing[] = {
    01454   SettingEntry("vehicle.servint_ispercent"),
    01455   SettingEntry("vehicle.servint_trains"),
    01456   SettingEntry("vehicle.servint_roadveh"),
    01457   SettingEntry("vehicle.servint_ships"),
    01458   SettingEntry("vehicle.servint_aircraft"),
    01459   SettingEntry("order.no_servicing_if_no_breakdowns"),
    01460   SettingEntry("order.serviceathelipad"),
    01461 };
    01463 static SettingsPage _settings_vehicles_servicing_page = {_settings_vehicles_servicing, lengthof(_settings_vehicles_servicing)};
    01464
    01465 static SettingEntry _settings_vehicles_trains[] = {
    01466   SettingEntry("pf.reverse_at_signals"),
    01467   SettingEntry("vehicle.train_acceleration_model"),
    01468   SettingEntry("vehicle.train_slope_steepness"),
    01469   SettingEntry("vehicle.max_train_length"),
    01470   SettingEntry("vehicle.wagon_speed_limits"),
    01471   SettingEntry("vehicle.disable_elrails"),
    01472   SettingEntry("vehicle.freight_trains"),
    01473   SettingEntry("gui.stop_location"),
    01474 };
    01476 static SettingsPage _settings_vehicles_trains_page = {_settings_vehicles_trains, lengthof(_settings_vehicles_trains)};
    01477
    01478 static SettingEntry _settings_vehicles[] = {
    01479   SettingEntry(&_settings_vehicles_routing_page, STR_CONFIG_SETTING_VEHICLES_ROUTING),
    01480   SettingEntry(&_settings_vehicles_autorenew_page, STR_CONFIG_SETTING_VEHICLES_AUTORENEW),
    01481   SettingEntry(&_settings_vehicles_servicing_page, STR_CONFIG_SETTING_VEHICLES_SERVICING),
    01482   SettingEntry(&_settings_vehicles_trains_page, STR_CONFIG_SETTING_VEHICLES_TRAINS),
    01483   SettingEntry("gui.new_nonstop"),
    01484   SettingEntry("gui.order_review_system"),
    01485   SettingEntry("gui.vehicle_income_warn"),
    01486   SettingEntry("gui.lost_vehicle_warn"),
    01487   SettingEntry("vehicle.never_expire_vehicles"),
    01488   SettingEntry("vehicle.max_trains"),
    01489   SettingEntry("vehicle.max_roadveh"),
    01490   SettingEntry("vehicle.max_aircraft"),
    01491   SettingEntry("vehicle.max_ships"),
    01492   SettingEntry("vehicle.plane_speed"),
    01493   SettingEntry("vehicle.plane_crashes"),
    01494   SettingEntry("vehicle.dynamic_engines"),
    01495   SettingEntry("vehicle.roadveh_acceleration_model"),
    01496   SettingEntry("vehicle.roadveh_slope_steepness"),
    01497   SettingEntry("vehicle.smoke_amount"),
    01498 };
    01500 static SettingsPage _settings_vehicles_page = {_settings_vehicles, lengthof(_settings_vehicles)};
    01501
    01502 static SettingEntry _settings_main[] = {
    01503   SettingEntry(&_settings_ui_page,           STR_CONFIG_SETTING_GUI),
    01504   SettingEntry(&_settings_construction_page, STR_CONFIG_SETTING_CONSTRUCTION),
    01505   SettingEntry(&_settings_vehicles_page,     STR_CONFIG_SETTING_VEHICLES),
    01506   SettingEntry(&_settings_stations_page,     STR_CONFIG_SETTING_STATIONS),
    01507   SettingEntry(&_settings_economy_page,      STR_CONFIG_SETTING_ECONOMY),
    01508   SettingEntry(&_settings_ai_page,           STR_CONFIG_SETTING_AI),
    01509 };
    01510
    01512 static SettingsPage _settings_main_page = {_settings_main, lengthof(_settings_main)};
    01513
    01515 enum GameSettingsWidgets {
    01516   SETTINGSEL_OPTIONSPANEL,
    01517   SETTINGSEL_SCROLLBAR,
    01518 };
    01519
    01520 struct GameSettingsWindow : Window {
    01521   static const int SETTINGTREE_LEFT_OFFSET   = 5;
    01522   static const int SETTINGTREE_RIGHT_OFFSET  = 5;
    01523   static const int SETTINGTREE_TOP_OFFSET    = 5;
    01524   static const int SETTINGTREE_BOTTOM_OFFSET = 5;
    01525
    01526   static GameSettings *settings_ptr;
    01527
    01528   SettingEntry *valuewindow_entry;
    01529   SettingEntry *clicked_entry;
    01530
    01531   Scrollbar *vscroll;
    01532
    01533   GameSettingsWindow(const WindowDesc *desc) : Window()
    01534   {
    01535     static bool first_time = true;
    01536
    01537     settings_ptr = &GetGameSettings();
    01538
    01539     /* Build up the dynamic settings-array only once per OpenTTD session */
    01540     if (first_time) {
    01541       _settings_main_page.Init();
    01542       first_time = false;
    01543     } else {
    01544       _settings_main_page.FoldAll(); // Close all sub-pages
    01545     }
    01546
    01547     this->valuewindow_entry = NULL; // No setting entry for which a entry window is opened
    01548     this->clicked_entry = NULL; // No numeric setting buttons are depressed
    01549
    01550     this->CreateNestedTree(desc);
    01551     this->vscroll = this->GetScrollbar(SETTINGSEL_SCROLLBAR);
    01552     this->FinishInitNested(desc, 0);
    01553
    01554     this->vscroll->SetCount(_settings_main_page.Length());
    01555   }
    01556
    01557   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01558   {
    01559     if (widget != SETTINGSEL_OPTIONSPANEL) return;
    01560
    01561     resize->height = SETTING_HEIGHT = max(11, FONT_HEIGHT_NORMAL + 1);
    01562     resize->width  = 1;
    01563
    01564     size->height = 5 * resize->height + SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET;
    01565   }
    01566
    01567   virtual void DrawWidget(const Rect &r, int widget) const
    01568   {
    01569     if (widget != SETTINGSEL_OPTIONSPANEL) return;
    01570
    01571     _settings_main_page.Draw(settings_ptr, r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, r.top + SETTINGTREE_TOP_OFFSET,
    01572         this->vscroll->GetPosition(), this->vscroll->GetPosition() + this->vscroll->GetCapacity());
    01573   }
    01574
    01575   virtual void OnClick(Point pt, int widget, int click_count)
    01576   {
    01577     if (widget != SETTINGSEL_OPTIONSPANEL) return;
    01578
    01579     uint btn = this->vscroll->GetScrolledRowFromWidget(pt.y, this, SETTINGSEL_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET - 1);
    01580     if (btn == INT_MAX) return;
    01581
    01582     uint cur_row = 0;
    01583     SettingEntry *pe = _settings_main_page.FindEntry(btn, &cur_row);
    01584
    01585     if (pe == NULL) return;  // Clicked below the last setting of the page
    01586
    01587     int x = (_current_text_dir == TD_RTL ? this->width - pt.x : pt.x) - SETTINGTREE_LEFT_OFFSET - (pe->level + 1) * LEVEL_WIDTH;  // Shift x coordinate
    01588     if (x < 0) return;  // Clicked left of the entry
    01589
    01590     if ((pe->flags & SEF_KIND_MASK) == SEF_SUBTREE_KIND) {
    01591       pe->d.sub.folded = !pe->d.sub.folded; // Flip 'folded'-ness of the sub-page
    01592
    01593       this->vscroll->SetCount(_settings_main_page.Length());
    01594       this->SetDirty();
    01595       return;
    01596     }
    01597
    01598     assert((pe->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01599     const SettingDesc *sd = pe->d.entry.setting;
    01600
    01601     /* return if action is only active in network, or only settable by server */
    01602     if (!(sd->save.conv & SLF_NETWORK_NO) && _networking && !_network_server && !(sd->desc.flags & SGF_PER_COMPANY)) return;
    01603     if ((sd->desc.flags & SGF_NETWORK_ONLY) && !_networking) return;
    01604     if ((sd->desc.flags & SGF_NO_NETWORK) && _networking) return;
    01605
    01606     const void *var = ResolveVariableAddress(settings_ptr, sd);
    01607     int32 value = (int32)ReadValue(var, sd->save.conv);
    01608
    01609     /* clicked on the icon on the left side. Either scroller or bool on/off */
    01610     if (x < 21) {
    01611       const SettingDescBase *sdb = &sd->desc;
    01612       int32 oldvalue = value;
    01613
    01614       switch (sdb->cmd) {
    01615         case SDT_BOOLX: value ^= 1; break;
    01616         case SDT_ONEOFMANY:
    01617         case SDT_NUMX: {
    01618           /* Add a dynamic step-size to the scroller. In a maximum of
    01619            * 50-steps you should be able to get from min to max,
    01620            * unless specified otherwise in the 'interval' variable
    01621            * of the current setting. */
    01622           uint32 step = (sdb->interval == 0) ? ((sdb->max - sdb->min) / 50) : sdb->interval;
    01623           if (step == 0) step = 1;
    01624
    01625           /* don't allow too fast scrolling */
    01626           if ((this->flags4 & WF_TIMEOUT_MASK) > WF_TIMEOUT_TRIGGER) {
    01627             _left_button_clicked = false;
    01628             return;
    01629           }
    01630
    01631           /* Increase or decrease the value and clamp it to extremes */
    01632           if (x >= 10) {
    01633             value += step;
    01634             if (sdb->min < 0) {
    01635               assert((int32)sdb->max >= 0);
    01636               if (value > (int32)sdb->max) value = (int32)sdb->max;
    01637             } else {
    01638               if ((uint32)value > sdb->max) value = (int32)sdb->max;
    01639             }
    01640             if (value < sdb->min) value = sdb->min; // skip between "disabled" and minimum
    01641           } else {
    01642             value -= step;
    01643             if (value < sdb->min) value = (sdb->flags & SGF_0ISDISABLED) ? 0 : sdb->min;
    01644           }
    01645
    01646           /* Set up scroller timeout for numeric values */
    01647           if (value != oldvalue && !(sd->desc.flags & SGF_MULTISTRING)) {
    01648             if (this->clicked_entry != NULL) { // Release previous buttons if any
    01649               this->clicked_entry->SetButtons(0);
    01650             }
    01651             this->clicked_entry = pe;
    01652             this->clicked_entry->SetButtons((x >= 10) != (_current_text_dir == TD_RTL) ? SEF_RIGHT_DEPRESSED : SEF_LEFT_DEPRESSED);
    01653             this->flags4 |= WF_TIMEOUT_BEGIN;
    01654             _left_button_clicked = false;
    01655           }
    01656           break;
    01657         }
    01658
    01659         default: NOT_REACHED();
    01660       }
    01661
    01662       if (value != oldvalue) {
    01663         if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    01664           SetCompanySetting(pe->d.entry.index, value);
    01665         } else {
    01666           SetSettingValue(pe->d.entry.index, value);
    01667         }
    01668         this->SetDirty();
    01669       }
    01670     } else {
    01671       /* only open editbox for types that its sensible for */
    01672       if (sd->desc.cmd != SDT_BOOLX && !(sd->desc.flags & SGF_MULTISTRING)) {
    01673         /* Show the correct currency-translated value */
    01674         if (sd->desc.flags & SGF_CURRENCY) value *= _currency->rate;
    01675
    01676         this->valuewindow_entry = pe;
    01677         SetDParam(0, value);
    01678         ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, 100, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
    01679       }
    01680     }
    01681   }
    01682
    01683   virtual void OnTimeout()
    01684   {
    01685     if (this->clicked_entry != NULL) { // On timeout, release any depressed buttons
    01686       this->clicked_entry->SetButtons(0);
    01687       this->clicked_entry = NULL;
    01688       this->SetDirty();
    01689     }
    01690   }
    01691
    01692   virtual void OnQueryTextFinished(char *str)
    01693   {
    01694     /* The user pressed cancel */
    01695     if (str == NULL) return;
    01696
    01697     assert(this->valuewindow_entry != NULL);
    01698     assert((this->valuewindow_entry->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01699     const SettingDesc *sd = this->valuewindow_entry->d.entry.setting;
    01700
    01701     int32 value;
    01702     if (!StrEmpty(str)) {
    01703       value = atoi(str);
    01704
    01705       /* Save the correct currency-translated value */
    01706       if (sd->desc.flags & SGF_CURRENCY) value /= _currency->rate;
    01707     } else {
    01708       value = (int32)(size_t)sd->desc.def;
    01709     }
    01710
    01711     if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    01712       SetCompanySetting(this->valuewindow_entry->d.entry.index, value);
    01713     } else {
    01714       SetSettingValue(this->valuewindow_entry->d.entry.index, value);
    01715     }
    01716     this->SetDirty();
    01717   }
    01718
    01719   virtual void OnResize()
    01720   {
    01721     this->vscroll->SetCapacityFromWidget(this, SETTINGSEL_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET);
    01722   }
    01723 };
    01724
    01725 GameSettings *GameSettingsWindow::settings_ptr = NULL;
    01726
    01727 static const NWidgetPart _nested_settings_selection_widgets[] = {
    01728   NWidget(NWID_HORIZONTAL),
    01729     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
    01730     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_CONFIG_SETTING_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    01731   EndContainer(),
    01732   NWidget(NWID_HORIZONTAL),
    01733     NWidget(WWT_PANEL, COLOUR_MAUVE, SETTINGSEL_OPTIONSPANEL), SetMinimalSize(400, 174), SetScrollbar(SETTINGSEL_SCROLLBAR), EndContainer(),
    01734     NWidget(NWID_VERTICAL),
    01735       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, SETTINGSEL_SCROLLBAR),
    01736       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
    01737     EndContainer(),
    01738   EndContainer(),
    01739 };
    01740
    01741 static const WindowDesc _settings_selection_desc(
    01742   WDP_CENTER, 450, 397,
    01743   WC_GAME_OPTIONS, WC_NONE,
    01744   0,
    01745   _nested_settings_selection_widgets, lengthof(_nested_settings_selection_widgets)
    01746 );
    01747
    01749 void ShowGameSettings()
    01750 {
    01751   DeleteWindowById(WC_GAME_OPTIONS, 0);
    01752   new GameSettingsWindow(&_settings_selection_desc);
    01753 }
    01754
    01755
    01765 void DrawArrowButtons(int x, int y, Colours button_colour, byte state, bool clickable_left, bool clickable_right)
    01766 {
    01767   int colour = _colour_gradient[button_colour][2];
    01768
    01769   DrawFrameRect(x,      y + 1, x +  9, y + 9, button_colour, (state == 1) ? FR_LOWERED : FR_NONE);
    01770   DrawFrameRect(x + 10, y + 1, x + 19, y + 9, button_colour, (state == 2) ? FR_LOWERED : FR_NONE);
    01771   DrawSprite(SPR_ARROW_LEFT, PAL_NONE, x + WD_IMGBTN_LEFT, y + WD_IMGBTN_TOP);
    01772   DrawSprite(SPR_ARROW_RIGHT, PAL_NONE, x + WD_IMGBTN_LEFT + 10, y + WD_IMGBTN_TOP);
    01773
    01774   /* Grey out the buttons that aren't clickable */
    01775   bool rtl = _current_text_dir == TD_RTL;
    01776   if (rtl ? !clickable_right : !clickable_left) {
    01777     GfxFillRect(x +  1, y + 1, x +  1 + 8, y + 8, colour, FILLRECT_CHECKER);
    01778   }
    01779   if (rtl ? !clickable_left : !clickable_right) {
    01780     GfxFillRect(x + 11, y + 1, x + 11 + 8, y + 8, colour, FILLRECT_CHECKER);
    01781   }
    01782 }
    01783
    01785 enum CustomCurrencyWidgets {
    01786   CUSTCURR_RATE_DOWN,
    01787   CUSTCURR_RATE_UP,
    01788   CUSTCURR_RATE,
    01789   CUSTCURR_SEPARATOR_EDIT,
    01790   CUSTCURR_SEPARATOR,
    01791   CUSTCURR_PREFIX_EDIT,
    01792   CUSTCURR_PREFIX,
    01793   CUSTCURR_SUFFIX_EDIT,
    01794   CUSTCURR_SUFFIX,
    01795   CUSTCURR_YEAR_DOWN,
    01796   CUSTCURR_YEAR_UP,
    01797   CUSTCURR_YEAR,
    01798   CUSTCURR_PREVIEW,
    01799 };
    01800
    01801 struct CustomCurrencyWindow : Window {
    01802   int query_widget;
    01803
    01804   CustomCurrencyWindow(const WindowDesc *desc) : Window()
    01805   {
    01806     this->InitNested(desc);
    01807
    01808     SetButtonState();
    01809   }
    01810
    01811   void SetButtonState()
    01812   {
    01813     this->SetWidgetDisabledState(CUSTCURR_RATE_DOWN, _custom_currency.rate == 1);
    01814     this->SetWidgetDisabledState(CUSTCURR_RATE_UP, _custom_currency.rate == UINT16_MAX);
    01815     this->SetWidgetDisabledState(CUSTCURR_YEAR_DOWN, _custom_currency.to_euro == CF_NOEURO);
    01816     this->SetWidgetDisabledState(CUSTCURR_YEAR_UP, _custom_currency.to_euro == MAX_YEAR);
    01817   }
    01818
    01819   virtual void SetStringParameters(int widget) const
    01820   {
    01821     switch (widget) {
    01822       case CUSTCURR_RATE:      SetDParam(0, 1); SetDParam(1, 1);            break;
    01823       case CUSTCURR_SEPARATOR: SetDParamStr(0, _custom_currency.separator); break;
    01824       case CUSTCURR_PREFIX:    SetDParamStr(0, _custom_currency.prefix);    break;
    01825       case CUSTCURR_SUFFIX:    SetDParamStr(0, _custom_currency.suffix);    break;
    01826       case CUSTCURR_YEAR:
    01827         SetDParam(0, (_custom_currency.to_euro != CF_NOEURO) ? STR_CURRENCY_SWITCH_TO_EURO : STR_CURRENCY_SWITCH_TO_EURO_NEVER);
    01828         SetDParam(1, _custom_currency.to_euro);
    01829         break;
    01830
    01831       case CUSTCURR_PREVIEW:
    01832         SetDParam(0, 10000);
    01833         break;
    01834     }
    01835   }
    01836
    01837   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01838   {
    01839     switch (widget) {
    01840       /* Set the appropriate width for the edit 'buttons' */
    01841       case CUSTCURR_SEPARATOR_EDIT:
    01842       case CUSTCURR_PREFIX_EDIT:
    01843       case CUSTCURR_SUFFIX_EDIT:
    01844         size->width  = this->GetWidget<NWidgetBase>(CUSTCURR_RATE_DOWN)->smallest_x + this->GetWidget<NWidgetBase>(CUSTCURR_RATE_UP)->smallest_x;
    01845         break;
    01846
    01847       /* Make sure the window is wide enough for the widest exchange rate */
    01848       case CUSTCURR_RATE:
    01849         SetDParam(0, 1);
    01850         SetDParam(1, INT32_MAX);
    01851         *size = GetStringBoundingBox(STR_CURRENCY_EXCHANGE_RATE);
    01852         break;
    01853     }
    01854   }
    01855
    01856   virtual void OnClick(Point pt, int widget, int click_count)
    01857   {
    01858     int line = 0;
    01859     int len = 0;
    01860     StringID str = 0;
    01861     CharSetFilter afilter = CS_ALPHANUMERAL;
    01862
    01863     switch (widget) {
    01864       case CUSTCURR_RATE_DOWN:
    01865         if (_custom_currency.rate > 1) _custom_currency.rate--;
    01866         if (_custom_currency.rate == 1) this->DisableWidget(CUSTCURR_RATE_DOWN);
    01867         this->EnableWidget(CUSTCURR_RATE_UP);
    01868         break;
    01869
    01870       case CUSTCURR_RATE_UP:
    01871         if (_custom_currency.rate < UINT16_MAX) _custom_currency.rate++;
    01872         if (_custom_currency.rate == UINT16_MAX) this->DisableWidget(CUSTCURR_RATE_UP);
    01873         this->EnableWidget(CUSTCURR_RATE_DOWN);
    01874         break;
    01875
    01876       case CUSTCURR_RATE:
    01877         SetDParam(0, _custom_currency.rate);
    01878         str = STR_JUST_INT;
    01879         len = 5;
    01880         line = CUSTCURR_RATE;
    01881         afilter = CS_NUMERAL;
    01882         break;
    01883
    01884       case CUSTCURR_SEPARATOR_EDIT:
    01885       case CUSTCURR_SEPARATOR:
    01886         SetDParamStr(0, _custom_currency.separator);
    01887         str = STR_JUST_RAW_STRING;
    01888         len = 1;
    01889         line = CUSTCURR_SEPARATOR;
    01890         break;
    01891
    01892       case CUSTCURR_PREFIX_EDIT:
    01893       case CUSTCURR_PREFIX:
    01894         SetDParamStr(0, _custom_currency.prefix);
    01895         str = STR_JUST_RAW_STRING;
    01896         len = 12;
    01897         line = CUSTCURR_PREFIX;
    01898         break;
    01899
    01900       case CUSTCURR_SUFFIX_EDIT:
    01901       case CUSTCURR_SUFFIX:
    01902         SetDParamStr(0, _custom_currency.suffix);
    01903         str = STR_JUST_RAW_STRING;
    01904         len = 12;
    01905         line = CUSTCURR_SUFFIX;
    01906         break;
    01907
    01908       case CUSTCURR_YEAR_DOWN:
    01909         _custom_currency.to_euro = (_custom_currency.to_euro <= 2000) ? CF_NOEURO : _custom_currency.to_euro - 1;
    01910         if (_custom_currency.to_euro == CF_NOEURO) this->DisableWidget(CUSTCURR_YEAR_DOWN);
    01911         this->EnableWidget(CUSTCURR_YEAR_UP);
    01912         break;
    01913
    01914       case CUSTCURR_YEAR_UP:
    01915         _custom_currency.to_euro = Clamp(_custom_currency.to_euro + 1, 2000, MAX_YEAR);
    01916         if (_custom_currency.to_euro == MAX_YEAR) this->DisableWidget(CUSTCURR_YEAR_UP);
    01917         this->EnableWidget(CUSTCURR_YEAR_DOWN);
    01918         break;
    01919
    01920       case CUSTCURR_YEAR:
    01921         SetDParam(0, _custom_currency.to_euro);
    01922         str = STR_JUST_INT;
    01923         len = 7;
    01924         line = CUSTCURR_YEAR;
    01925         afilter = CS_NUMERAL;
    01926         break;
    01927     }
    01928
    01929     if (len != 0) {
    01930       this->query_widget = line;
    01931       ShowQueryString(str, STR_CURRENCY_CHANGE_PARAMETER, len + 1, 250, this, afilter, QSF_NONE);
    01932     }
    01933
    01934     this->flags4 |= WF_TIMEOUT_BEGIN;
    01935     this->SetDirty();
    01936   }
    01937
    01938   virtual void OnQueryTextFinished(char *str)
    01939   {
    01940     if (str == NULL) return;
    01941
    01942     switch (this->query_widget) {
    01943       case CUSTCURR_RATE:
    01944         _custom_currency.rate = Clamp(atoi(str), 1, UINT16_MAX);
    01945         break;
    01946
    01947       case CUSTCURR_SEPARATOR: // Thousands seperator
    01948         strecpy(_custom_currency.separator, str, lastof(_custom_currency.separator));
    01949         break;
    01950
    01951       case CUSTCURR_PREFIX:
    01952         strecpy(_custom_currency.prefix, str, lastof(_custom_currency.prefix));
    01953         break;
    01954
    01955       case CUSTCURR_SUFFIX:
    01956         strecpy(_custom_currency.suffix, str, lastof(_custom_currency.suffix));
    01957         break;
    01958
    01959       case CUSTCURR_YEAR: { // Year to switch to euro
    01960         int val = atoi(str);
    01961
    01962         _custom_currency.to_euro = (val < 2000 ? CF_NOEURO : min(val, MAX_YEAR));
    01963         break;
    01964       }
    01965     }
    01966     MarkWholeScreenDirty();
    01967     SetButtonState();
    01968   }
    01969
    01970   virtual void OnTimeout()
    01971   {
    01972     this->SetDirty();
    01973   }
    01974 };
    01975
    01976 static const NWidgetPart _nested_cust_currency_widgets[] = {
    01977   NWidget(NWID_HORIZONTAL),
    01978     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    01979     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CURRENCY_WINDOW, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    01980   EndContainer(),
    01981   NWidget(WWT_PANEL, COLOUR_GREY),
    01982     NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(7, 3, 0),
    01983       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    01984         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, CUSTCURR_RATE_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_EXCHANGE_RATE_TOOLTIP),
    01985         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, CUSTCURR_RATE_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_EXCHANGE_RATE_TOOLTIP),
    01986         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    01987         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_RATE), SetDataTip(STR_CURRENCY_EXCHANGE_RATE, STR_CURRENCY_SET_EXCHANGE_RATE_TOOLTIP), SetFill(1, 0),
    01988       EndContainer(),
    01989       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    01990         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_SEPARATOR_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(0, 1),
    01991         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    01992         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_SEPARATOR), SetDataTip(STR_CURRENCY_SEPARATOR, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(1, 0),
    01993       EndContainer(),
    01994       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    01995         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_PREFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(0, 1),
    01996         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    01997         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_PREFIX), SetDataTip(STR_CURRENCY_PREFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(1, 0),
    01998       EndContainer(),
    01999       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02000         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_SUFFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(0, 1),
    02001         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02002         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_SUFFIX), SetDataTip(STR_CURRENCY_SUFFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(1, 0),
    02003       EndContainer(),
    02004       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02005         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, CUSTCURR_YEAR_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
    02006         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, CUSTCURR_YEAR_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
    02007         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02008         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_YEAR), SetDataTip(STR_JUST_STRING, STR_CURRENCY_SET_CUSTOM_CURRENCY_TO_EURO_TOOLTIP), SetFill(1, 0),
    02009       EndContainer(),
    02010     EndContainer(),
    02011     NWidget(WWT_LABEL, COLOUR_BLUE, CUSTCURR_PREVIEW),
    02012                 SetDataTip(STR_CURRENCY_PREVIEW, STR_CURRENCY_CUSTOM_CURRENCY_PREVIEW_TOOLTIP), SetPadding(15, 1, 18, 2),
    02013   EndContainer(),
    02014 };
    02015
    02016 static const WindowDesc _cust_currency_desc(
    02017   WDP_CENTER, 0, 0,
    02018   WC_CUSTOM_CURRENCY, WC_NONE,
    02019   WDF_UNCLICK_BUTTONS,
    02020   _nested_cust_currency_widgets, lengthof(_nested_cust_currency_widgets)
    02021 );
    02022
    02024 static void ShowCustCurrency()
    02025 {
    02026   DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
    02027   new CustomCurrencyWindow(&_cust_currency_desc);
    02028 }