settings_gui.cpp

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00001 /* $Id: settings_gui.cpp 21984 2011-02-05 19:36:02Z planetmaker $ */
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 
00463   virtual void OnInvalidateData(int data)
00464   {
00465     this->SetWidgetLoweredState(GOW_FULLSCREEN_BUTTON, _fullscreen);
00466 
00467     bool missing_files = BaseGraphics::GetUsedSet()->GetNumMissing() == 0;
00468     this->GetWidget<NWidgetCore>(GOW_BASE_GRF_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_GRF_STATUS, STR_NULL);
00469 
00470     missing_files = BaseMusic::GetUsedSet()->GetNumInvalid() == 0;
00471     this->GetWidget<NWidgetCore>(GOW_BASE_MUSIC_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_MUSIC_STATUS, STR_NULL);
00472   }
00473 };
00474 
00475 static const NWidgetPart _nested_game_options_widgets[] = {
00476   NWidget(NWID_HORIZONTAL),
00477     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
00478     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00479   EndContainer(),
00480   NWidget(WWT_PANEL, COLOUR_GREY, GOW_BACKGROUND), SetPIP(6, 6, 10),
00481     NWidget(NWID_HORIZONTAL), SetPIP(10, 10, 10),
00482       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
00483         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CURRENCY_UNITS_FRAME, STR_NULL),
00484           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),
00485         EndContainer(),
00486         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_ROAD_VEHICLES_FRAME, STR_NULL),
00487           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),
00488         EndContainer(),
00489         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_AUTOSAVE_FRAME, STR_NULL),
00490           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_AUTOSAVE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_TOOLTIP), SetFill(1, 0),
00491         EndContainer(),
00492         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_RESOLUTION, STR_NULL),
00493           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),
00494           NWidget(NWID_HORIZONTAL),
00495             NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_FULLSCREEN, STR_NULL),
00496             NWidget(WWT_TEXTBTN, COLOUR_GREY, GOW_FULLSCREEN_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_FULLSCREEN_TOOLTIP),
00497           EndContainer(),
00498         EndContainer(),
00499       EndContainer(),
00500 
00501       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
00502         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_MEASURING_UNITS_FRAME, STR_NULL),
00503           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),
00504         EndContainer(),
00505         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_TOWN_NAMES_FRAME, STR_NULL),
00506           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),
00507         EndContainer(),
00508         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_LANGUAGE, STR_NULL),
00509           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_LANG_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_LANGUAGE_TOOLTIP), SetFill(1, 0),
00510         EndContainer(),
00511         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_SCREENSHOT_FORMAT, STR_NULL),
00512           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_SCREENSHOT_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_SCREENSHOT_FORMAT_TOOLTIP), SetFill(1, 0),
00513         EndContainer(),
00514         NWidget(NWID_SPACER), SetMinimalSize(0, 0), SetFill(0, 1),
00515       EndContainer(),
00516     EndContainer(),
00517 
00518     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_GRF, STR_NULL), SetPadding(0, 10, 0, 10),
00519       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00520         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_GRF_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_GRF_TOOLTIP),
00521         NWidget(WWT_TEXT, COLOUR_GREY, GOW_BASE_GRF_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
00522       EndContainer(),
00523       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),
00524     EndContainer(),
00525 
00526     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_SFX, STR_NULL), SetPadding(0, 10, 0, 10),
00527       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00528         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_SFX_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_SFX_TOOLTIP),
00529         NWidget(NWID_SPACER), SetFill(1, 0),
00530       EndContainer(),
00531       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),
00532     EndContainer(),
00533 
00534     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_MUSIC, STR_NULL), SetPadding(0, 10, 0, 10),
00535       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00536         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_MUSIC_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_MUSIC_TOOLTIP),
00537         NWidget(WWT_TEXT, COLOUR_GREY, GOW_BASE_MUSIC_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
00538       EndContainer(),
00539       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),
00540     EndContainer(),
00541   EndContainer(),
00542 };
00543 
00544 static const WindowDesc _game_options_desc(
00545   WDP_CENTER, 0, 0,
00546   WC_GAME_OPTIONS, WC_NONE,
00547   WDF_UNCLICK_BUTTONS,
00548   _nested_game_options_widgets, lengthof(_nested_game_options_widgets)
00549 );
00550 
00552 void ShowGameOptions()
00553 {
00554   DeleteWindowById(WC_GAME_OPTIONS, 0);
00555   new GameOptionsWindow(&_game_options_desc);
00556 }
00557 
00558 extern void StartupEconomy();
00559 
00560 
00561 /* Names of the game difficulty settings window */
00562 enum GameDifficultyWidgets {
00563   GDW_LVL_EASY,
00564   GDW_LVL_MEDIUM,
00565   GDW_LVL_HARD,
00566   GDW_LVL_CUSTOM,
00567   GDW_HIGHSCORE,
00568   GDW_ACCEPT,
00569   GDW_CANCEL,
00570 
00571   GDW_OPTIONS_START,
00572 };
00573 
00574 void SetDifficultyLevel(int mode, DifficultySettings *gm_opt);
00575 
00576 class GameDifficultyWindow : public Window {
00577 private:
00578   /* Temporary holding place of values in the difficulty window until 'Save' is clicked */
00579   GameSettings opt_mod_temp;
00580 
00581 public:
00583   static const uint GAME_DIFFICULTY_NUM = 18;
00585   static const uint WIDGETS_PER_DIFFICULTY = 3;
00586 
00587   GameDifficultyWindow(const WindowDesc *desc) : Window()
00588   {
00589     this->InitNested(desc);
00590 
00591     /* Copy current settings (ingame or in intro) to temporary holding place
00592      * change that when setting stuff, copy back on clicking 'OK' */
00593     this->opt_mod_temp = GetGameSettings();
00594     /* Setup disabled buttons when creating window
00595      * disable all other difficulty buttons during gameplay except for 'custom' */
00596     this->SetWidgetsDisabledState(_game_mode != GM_MENU,
00597       GDW_LVL_EASY,
00598       GDW_LVL_MEDIUM,
00599       GDW_LVL_HARD,
00600       GDW_LVL_CUSTOM,
00601       WIDGET_LIST_END);
00602     this->SetWidgetDisabledState(GDW_HIGHSCORE, _game_mode == GM_EDITOR || _networking); // highscore chart in multiplayer
00603     this->SetWidgetDisabledState(GDW_ACCEPT, _networking && !_network_server); // Save-button in multiplayer (and if client)
00604     this->LowerWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00605     this->OnInvalidateData();
00606   }
00607 
00608   virtual void SetStringParameters(int widget) const
00609   {
00610     widget -= GDW_OPTIONS_START;
00611     if (widget < 0 || (widget % 3) != 2) return;
00612 
00613     widget /= 3;
00614 
00615     uint i;
00616     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + widget;
00617     int32 value = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00618     SetDParam(0, sd->desc.str + value);
00619   }
00620 
00621   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00622   {
00623     /* Only for the 'descriptions' */
00624     int index = widget - GDW_OPTIONS_START;
00625     if (index < 0 || (index % 3) != 2) return;
00626 
00627     index /= 3;
00628 
00629     uint i;
00630     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + index;
00631     const SettingDescBase *sdb = &sd->desc;
00632 
00633     /* Get the string and try all strings from the smallest to the highest value */
00634     StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
00635     for (int32 value = sdb->min; (uint32)value <= sdb->max; value += sdb->interval) {
00636       SetDParam(0, sdb->str + value);
00637       *size = maxdim(*size, GetStringBoundingBox(str));
00638     }
00639   }
00640 
00641   virtual void OnClick(Point pt, int widget, int click_count)
00642   {
00643     if (widget >= GDW_OPTIONS_START) {
00644       widget -= GDW_OPTIONS_START;
00645       if ((widget % 3) == 2) return;
00646 
00647       /* Don't allow clients to make any changes */
00648       if (_networking && !_network_server) return;
00649 
00650       uint i;
00651       const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + (widget / 3);
00652       const SettingDescBase *sdb = &sd->desc;
00653 
00654       int32 val = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00655       if (widget % 3 == 1) {
00656         /* Increase button clicked */
00657         val = min(val + sdb->interval, (int32)sdb->max);
00658       } else {
00659         /* Decrease button clicked */
00660         val -= sdb->interval;
00661         val = max(val, sdb->min);
00662       }
00663 
00664       /* save value in temporary variable */
00665       WriteValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv, val);
00666       this->RaiseWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00667       SetDifficultyLevel(3, &this->opt_mod_temp.difficulty); // set difficulty level to custom
00668       this->LowerWidget(GDW_LVL_CUSTOM);
00669       this->InvalidateData();
00670 
00671       if (widget / 3 == 0 &&
00672 #ifdef ENABLE_AI
00673           AI::GetInfoList()->size() == 0 &&
00674 #endif /* ENABLE_AI */
00675           this->opt_mod_temp.difficulty.max_no_competitors != 0) {
00676         ShowErrorMessage(STR_WARNING_NO_SUITABLE_AI, INVALID_STRING_ID, WL_CRITICAL);
00677       }
00678       return;
00679     }
00680 
00681     switch (widget) {
00682       case GDW_LVL_EASY:
00683       case GDW_LVL_MEDIUM:
00684       case GDW_LVL_HARD:
00685       case GDW_LVL_CUSTOM:
00686         /* temporarily change difficulty level */
00687         this->RaiseWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00688         SetDifficultyLevel(widget - GDW_LVL_EASY, &this->opt_mod_temp.difficulty);
00689         this->LowerWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00690         this->InvalidateData();
00691         break;
00692 
00693       case GDW_HIGHSCORE: // Highscore Table
00694         ShowHighscoreTable(this->opt_mod_temp.difficulty.diff_level, -1);
00695         break;
00696 
00697       case GDW_ACCEPT: { // Save button - save changes
00698         GameSettings *opt_ptr = &GetGameSettings();
00699 
00700         uint i;
00701         GetSettingFromName("difficulty.diff_level", &i);
00702         DoCommandP(0, i, this->opt_mod_temp.difficulty.diff_level, CMD_CHANGE_SETTING);
00703 
00704         const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
00705         for (uint btn = 0; btn != GAME_DIFFICULTY_NUM; btn++, sd++) {
00706           int32 new_val = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00707           int32 cur_val = (int32)ReadValue(GetVariableAddress(opt_ptr, &sd->save), sd->save.conv);
00708           /* if setting has changed, change it */
00709           if (new_val != cur_val) {
00710             DoCommandP(0, i + btn, new_val, CMD_CHANGE_SETTING);
00711           }
00712         }
00713         delete this;
00714         /* If we are in the editor, we should reload the economy.
00715          * This way when you load a game, the max loan and interest rate
00716          * are loaded correctly. */
00717         if (_game_mode == GM_EDITOR) StartupEconomy();
00718         break;
00719       }
00720 
00721       case GDW_CANCEL: // Cancel button - close window, abandon changes
00722         delete this;
00723         break;
00724     }
00725   }
00726 
00727   virtual void OnInvalidateData(int data = 0)
00728   {
00729     uint i;
00730     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
00731     for (i = 0; i < GAME_DIFFICULTY_NUM; i++, sd++) {
00732       const SettingDescBase *sdb = &sd->desc;
00733       /* skip deprecated difficulty options */
00734       if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
00735       int32 value = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00736       bool disable = (sd->desc.flags & SGF_NEWGAME_ONLY) &&
00737           (_game_mode == GM_NORMAL ||
00738           (_game_mode == GM_EDITOR && (sd->desc.flags & SGF_SCENEDIT_TOO) == 0));
00739 
00740       this->SetWidgetDisabledState(GDW_OPTIONS_START + i * 3 + 0, disable || sdb->min == value);
00741       this->SetWidgetDisabledState(GDW_OPTIONS_START + i * 3 + 1, disable || sdb->max == (uint32)value);
00742     }
00743   }
00744 };
00745 
00746 static NWidgetBase *MakeDifficultyOptionsWidgets(int *biggest_index)
00747 {
00748   NWidgetVertical *vert_desc = new NWidgetVertical;
00749 
00750   int widnum = GDW_OPTIONS_START;
00751   uint i, j;
00752   const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
00753 
00754   for (i = 0, j = 0; i < GameDifficultyWindow::GAME_DIFFICULTY_NUM; i++, sd++, widnum += GameDifficultyWindow::WIDGETS_PER_DIFFICULTY) {
00755     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
00756 
00757     NWidgetHorizontal *hor = new NWidgetHorizontal;
00758 
00759     /* [<] button. */
00760     NWidgetLeaf *leaf = new NWidgetLeaf(WWT_PUSHARROWBTN, COLOUR_YELLOW, widnum, AWV_DECREASE, STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST);
00761     hor->Add(leaf);
00762 
00763     /* [>] button. */
00764     leaf = new NWidgetLeaf(WWT_PUSHARROWBTN, COLOUR_YELLOW, widnum + 1, AWV_INCREASE, STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST);
00765     hor->Add(leaf);
00766 
00767     /* Some spacing between the text and the description */
00768     NWidgetSpacer *spacer = new NWidgetSpacer(5, 0);
00769     hor->Add(spacer);
00770 
00771     /* Descriptive text. */
00772     leaf = new NWidgetLeaf(WWT_TEXT, COLOUR_YELLOW, widnum + 2, STR_DIFFICULTY_LEVEL_SETTING_MAXIMUM_NO_COMPETITORS + (j++), STR_NULL);
00773     leaf->SetFill(1, 0);
00774     hor->Add(leaf);
00775     vert_desc->Add(hor);
00776 
00777     /* Space vertically */
00778     vert_desc->Add(new NWidgetSpacer(0, 2));
00779   }
00780   *biggest_index = widnum - 1;
00781   return vert_desc;
00782 }
00783 
00784 
00786 static const NWidgetPart _nested_game_difficulty_widgets[] = {
00787   NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_DIFFICULTY_LEVEL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00788   NWidget(WWT_PANEL, COLOUR_MAUVE),
00789     NWidget(NWID_VERTICAL), SetPIP(2, 0, 2),
00790       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
00791         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_EASY), SetDataTip(STR_DIFFICULTY_LEVEL_EASY, STR_NULL), SetFill(1, 0),
00792         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_MEDIUM), SetDataTip(STR_DIFFICULTY_LEVEL_MEDIUM, STR_NULL), SetFill(1, 0),
00793         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_HARD), SetDataTip(STR_DIFFICULTY_LEVEL_HARD, STR_NULL), SetFill(1, 0),
00794         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_CUSTOM), SetDataTip(STR_DIFFICULTY_LEVEL_CUSTOM, STR_NULL), SetFill(1, 0),
00795       EndContainer(),
00796       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 10),
00797         NWidget(WWT_PUSHTXTBTN, COLOUR_GREEN, GDW_HIGHSCORE), SetDataTip(STR_DIFFICULTY_LEVEL_HIGH_SCORE_BUTTON, STR_NULL), SetFill(1, 0),
00798       EndContainer(),
00799     EndContainer(),
00800   EndContainer(),
00801   NWidget(WWT_PANEL, COLOUR_MAUVE),
00802     NWidget(NWID_VERTICAL), SetPIP(3, 0, 1),
00803       NWidget(NWID_HORIZONTAL), SetPIP(5, 0, 5),
00804         NWidgetFunction(MakeDifficultyOptionsWidgets),
00805       EndContainer(),
00806     EndContainer(),
00807   EndContainer(),
00808   NWidget(WWT_PANEL, COLOUR_MAUVE),
00809     NWidget(NWID_VERTICAL), SetPIP(2, 0, 2),
00810       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
00811         NWidget(NWID_SPACER), SetFill(1, 0),
00812         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, GDW_ACCEPT), SetDataTip(STR_DIFFICULTY_LEVEL_SAVE, STR_NULL), SetFill(1, 0),
00813         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, GDW_CANCEL), SetDataTip(STR_BUTTON_CANCEL, STR_NULL), SetFill(1, 0),
00814         NWidget(NWID_SPACER), SetFill(1, 0),
00815       EndContainer(),
00816     EndContainer(),
00817   EndContainer(),
00818 };
00819 
00821 static const WindowDesc _game_difficulty_desc(
00822   WDP_CENTER, 0, 0,
00823   WC_GAME_OPTIONS, WC_NONE,
00824   WDF_UNCLICK_BUTTONS,
00825   _nested_game_difficulty_widgets, lengthof(_nested_game_difficulty_widgets)
00826 );
00827 
00829 void ShowGameDifficulty()
00830 {
00831   DeleteWindowById(WC_GAME_OPTIONS, 0);
00832   new GameDifficultyWindow(&_game_difficulty_desc);
00833 }
00834 
00835 static int SETTING_HEIGHT = 11;    
00836 static const int LEVEL_WIDTH = 15; 
00837 
00842 enum SettingEntryFlags {
00843   SEF_LEFT_DEPRESSED  = 0x01, 
00844   SEF_RIGHT_DEPRESSED = 0x02, 
00845   SEF_BUTTONS_MASK = (SEF_LEFT_DEPRESSED | SEF_RIGHT_DEPRESSED), 
00846 
00847   SEF_LAST_FIELD = 0x04, 
00848 
00849   /* Entry kind */
00850   SEF_SETTING_KIND = 0x10, 
00851   SEF_SUBTREE_KIND = 0x20, 
00852   SEF_KIND_MASK    = (SEF_SETTING_KIND | SEF_SUBTREE_KIND), 
00853 };
00854 
00855 struct SettingsPage; // Forward declaration
00856 
00858 struct SettingEntrySubtree {
00859   SettingsPage *page; 
00860   bool folded;        
00861   StringID title;     
00862 };
00863 
00865 struct SettingEntrySetting {
00866   const char *name;           
00867   const SettingDesc *setting; 
00868   uint index;                 
00869 };
00870 
00872 struct SettingEntry {
00873   byte flags; 
00874   byte level; 
00875   union {
00876     SettingEntrySetting entry; 
00877     SettingEntrySubtree sub;   
00878   } d; 
00879 
00880   SettingEntry(const char *nm);
00881   SettingEntry(SettingsPage *sub, StringID title);
00882 
00883   void Init(byte level, bool last_field);
00884   void FoldAll();
00885   void SetButtons(byte new_val);
00886 
00887   uint Length() const;
00888   SettingEntry *FindEntry(uint row, uint *cur_row);
00889 
00890   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);
00891 
00892 private:
00893   void DrawSetting(GameSettings *settings_ptr, const SettingDesc *sd, int x, int y, int max_x, int state);
00894 };
00895 
00897 struct SettingsPage {
00898   SettingEntry *entries; 
00899   byte num;              
00900 
00901   void Init(byte level = 0);
00902   void FoldAll();
00903 
00904   uint Length() const;
00905   SettingEntry *FindEntry(uint row, uint *cur_row) const;
00906 
00907   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;
00908 };
00909 
00910 
00911 /* == SettingEntry methods == */
00912 
00917 SettingEntry::SettingEntry(const char *nm)
00918 {
00919   this->flags = SEF_SETTING_KIND;
00920   this->level = 0;
00921   this->d.entry.name = nm;
00922   this->d.entry.setting = NULL;
00923   this->d.entry.index = 0;
00924 }
00925 
00931 SettingEntry::SettingEntry(SettingsPage *sub, StringID title)
00932 {
00933   this->flags = SEF_SUBTREE_KIND;
00934   this->level = 0;
00935   this->d.sub.page = sub;
00936   this->d.sub.folded = true;
00937   this->d.sub.title = title;
00938 }
00939 
00945 void SettingEntry::Init(byte level, bool last_field)
00946 {
00947   this->level = level;
00948   if (last_field) this->flags |= SEF_LAST_FIELD;
00949 
00950   switch (this->flags & SEF_KIND_MASK) {
00951     case SEF_SETTING_KIND:
00952       this->d.entry.setting = GetSettingFromName(this->d.entry.name, &this->d.entry.index);
00953       assert(this->d.entry.setting != NULL);
00954       break;
00955     case SEF_SUBTREE_KIND:
00956       this->d.sub.page->Init(level + 1);
00957       break;
00958     default: NOT_REACHED();
00959   }
00960 }
00961 
00963 void SettingEntry::FoldAll()
00964 {
00965   switch (this->flags & SEF_KIND_MASK) {
00966     case SEF_SETTING_KIND:
00967       break;
00968 
00969     case SEF_SUBTREE_KIND:
00970       this->d.sub.folded = true;
00971       this->d.sub.page->FoldAll();
00972       break;
00973 
00974     default: NOT_REACHED();
00975   }
00976 }
00977 
00978 
00984 void SettingEntry::SetButtons(byte new_val)
00985 {
00986   assert((new_val & ~SEF_BUTTONS_MASK) == 0); // Should not touch any flags outside the buttons
00987   this->flags = (this->flags & ~SEF_BUTTONS_MASK) | new_val;
00988 }
00989 
00991 uint SettingEntry::Length() const
00992 {
00993   switch (this->flags & SEF_KIND_MASK) {
00994     case SEF_SETTING_KIND:
00995       return 1;
00996     case SEF_SUBTREE_KIND:
00997       if (this->d.sub.folded) return 1; // Only displaying the title
00998 
00999       return 1 + this->d.sub.page->Length(); // 1 extra row for the title
01000     default: NOT_REACHED();
01001   }
01002 }
01003 
01010 SettingEntry *SettingEntry::FindEntry(uint row_num, uint *cur_row)
01011 {
01012   if (row_num == *cur_row) return this;
01013 
01014   switch (this->flags & SEF_KIND_MASK) {
01015     case SEF_SETTING_KIND:
01016       (*cur_row)++;
01017       break;
01018     case SEF_SUBTREE_KIND:
01019       (*cur_row)++; // add one for row containing the title
01020       if (this->d.sub.folded) {
01021         break;
01022       }
01023 
01024       /* sub-page is visible => search it too */
01025       return this->d.sub.page->FindEntry(row_num, cur_row);
01026     default: NOT_REACHED();
01027   }
01028   return NULL;
01029 }
01030 
01057 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)
01058 {
01059   if (cur_row >= max_row) return cur_row;
01060 
01061   bool rtl = _current_text_dir == TD_RTL;
01062   int offset = rtl ? -4 : 4;
01063   int level_width = rtl ? -LEVEL_WIDTH : LEVEL_WIDTH;
01064 
01065   int x = rtl ? right : left;
01066   int y = base_y;
01067   if (cur_row >= first_row) {
01068     int colour = _colour_gradient[COLOUR_ORANGE][4];
01069     y = base_y + (cur_row - first_row) * SETTING_HEIGHT; // Compute correct y start position
01070 
01071     /* Draw vertical for parent nesting levels */
01072     for (uint lvl = 0; lvl < this->level; lvl++) {
01073       if (!HasBit(parent_last, lvl)) GfxDrawLine(x + offset, y, x + offset, y + SETTING_HEIGHT - 1, colour);
01074       x += level_width;
01075     }
01076     /* draw own |- prefix */
01077     int halfway_y = y + SETTING_HEIGHT / 2;
01078     int bottom_y = (flags & SEF_LAST_FIELD) ? halfway_y : y + SETTING_HEIGHT - 1;
01079     GfxDrawLine(x + offset, y, x + offset, bottom_y, colour);
01080     /* Small horizontal line from the last vertical line */
01081     GfxDrawLine(x + offset, halfway_y, x + level_width - offset, halfway_y, colour);
01082     x += level_width;
01083   }
01084 
01085   switch (this->flags & SEF_KIND_MASK) {
01086     case SEF_SETTING_KIND:
01087       if (cur_row >= first_row) {
01088         DrawSetting(settings_ptr, this->d.entry.setting, rtl ? left : x, rtl ? x : right, y, this->flags & SEF_BUTTONS_MASK);
01089       }
01090       cur_row++;
01091       break;
01092     case SEF_SUBTREE_KIND:
01093       if (cur_row >= first_row) {
01094         DrawSprite((this->d.sub.folded ? SPR_CIRCLE_FOLDED : SPR_CIRCLE_UNFOLDED), PAL_NONE, rtl ? x - 8 : x, y + (SETTING_HEIGHT - 11) / 2);
01095         DrawString(rtl ? left : x + 12, rtl ? x - 12 : right, y, this->d.sub.title);
01096       }
01097       cur_row++;
01098       if (!this->d.sub.folded) {
01099         if (this->flags & SEF_LAST_FIELD) {
01100           assert(this->level < sizeof(parent_last));
01101           SetBit(parent_last, this->level); // Add own last-field state
01102         }
01103 
01104         cur_row = this->d.sub.page->Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last);
01105       }
01106       break;
01107     default: NOT_REACHED();
01108   }
01109   return cur_row;
01110 }
01111 
01112 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd)
01113 {
01114   if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
01115     if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
01116       return GetVariableAddress(&Company::Get(_local_company)->settings, &sd->save);
01117     } else {
01118       return GetVariableAddress(&_settings_client.company, &sd->save);
01119     }
01120   } else {
01121     return GetVariableAddress(settings_ptr, &sd->save);
01122   }
01123 }
01124 
01134 void SettingEntry::DrawSetting(GameSettings *settings_ptr, const SettingDesc *sd, int left, int right, int y, int state)
01135 {
01136   const SettingDescBase *sdb = &sd->desc;
01137   const void *var = ResolveVariableAddress(settings_ptr, sd);
01138   bool editable = true;
01139   bool disabled = false;
01140 
01141   bool rtl = _current_text_dir == TD_RTL;
01142   uint buttons_left = rtl ? right - 19 : left;
01143   uint text_left  = left + (rtl ? 0 : 25);
01144   uint text_right = right - (rtl ? 25 : 0);
01145   uint button_y = y + (SETTING_HEIGHT - 11) / 2;
01146 
01147   /* We do not allow changes of some items when we are a client in a networkgame */
01148   if (!(sd->save.conv & SLF_NETWORK_NO) && _networking && !_network_server && !(sdb->flags & SGF_PER_COMPANY)) editable = false;
01149   if ((sdb->flags & SGF_NETWORK_ONLY) && !_networking) editable = false;
01150   if ((sdb->flags & SGF_NO_NETWORK) && _networking) editable = false;
01151 
01152   if (sdb->cmd == SDT_BOOLX) {
01153     static const Colours _bool_ctabs[2][2] = {{COLOUR_CREAM, COLOUR_RED}, {COLOUR_DARK_GREEN, COLOUR_GREEN}};
01154     /* Draw checkbox for boolean-value either on/off */
01155     bool on = ReadValue(var, sd->save.conv) != 0;
01156 
01157     DrawFrameRect(buttons_left, button_y, buttons_left + 19, button_y + 8, _bool_ctabs[!!on][!!editable], on ? FR_LOWERED : FR_NONE);
01158     SetDParam(0, on ? STR_CONFIG_SETTING_ON : STR_CONFIG_SETTING_OFF);
01159   } else {
01160     int32 value;
01161 
01162     value = (int32)ReadValue(var, sd->save.conv);
01163 
01164     /* Draw [<][>] boxes for settings of an integer-type */
01165     DrawArrowButtons(buttons_left, button_y, COLOUR_YELLOW, state, editable && value != (sdb->flags & SGF_0ISDISABLED ? 0 : sdb->min), editable && (uint32)value != sdb->max);
01166 
01167     disabled = (value == 0) && (sdb->flags & SGF_0ISDISABLED);
01168     if (disabled) {
01169       SetDParam(0, STR_CONFIG_SETTING_DISABLED);
01170     } else {
01171       if (sdb->flags & SGF_CURRENCY) {
01172         SetDParam(0, STR_JUST_CURRENCY);
01173       } else if (sdb->flags & SGF_MULTISTRING) {
01174         SetDParam(0, sdb->str - sdb->min + value + 1);
01175       } else {
01176         SetDParam(0, (sdb->flags & SGF_NOCOMMA) ? STR_JUST_INT : STR_JUST_COMMA);
01177       }
01178       SetDParam(1, value);
01179     }
01180   }
01181   DrawString(text_left, text_right, y, (sdb->str) + disabled);
01182 }
01183 
01184 
01185 /* == SettingsPage methods == */
01186 
01191 void SettingsPage::Init(byte level)
01192 {
01193   for (uint field = 0; field < this->num; field++) {
01194     this->entries[field].Init(level, field + 1 == num);
01195   }
01196 }
01197 
01199 void SettingsPage::FoldAll()
01200 {
01201   for (uint field = 0; field < this->num; field++) {
01202     this->entries[field].FoldAll();
01203   }
01204 }
01205 
01207 uint SettingsPage::Length() const
01208 {
01209   uint length = 0;
01210   for (uint field = 0; field < this->num; field++) {
01211     length += this->entries[field].Length();
01212   }
01213   return length;
01214 }
01215 
01222 SettingEntry *SettingsPage::FindEntry(uint row_num, uint *cur_row) const
01223 {
01224   SettingEntry *pe = NULL;
01225 
01226   for (uint field = 0; field < this->num; field++) {
01227     pe = this->entries[field].FindEntry(row_num, cur_row);
01228     if (pe != NULL) {
01229       break;
01230     }
01231   }
01232   return pe;
01233 }
01234 
01252 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
01253 {
01254   if (cur_row >= max_row) return cur_row;
01255 
01256   for (uint i = 0; i < this->num; i++) {
01257     cur_row = this->entries[i].Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last);
01258     if (cur_row >= max_row) {
01259       break;
01260     }
01261   }
01262   return cur_row;
01263 }
01264 
01265 
01266 static SettingEntry _settings_ui_display[] = {
01267   SettingEntry("gui.date_format_in_default_names"),
01268   SettingEntry("gui.population_in_label"),
01269   SettingEntry("gui.measure_tooltip"),
01270   SettingEntry("gui.loading_indicators"),
01271   SettingEntry("gui.liveries"),
01272   SettingEntry("gui.show_track_reservation"),
01273   SettingEntry("gui.expenses_layout"),
01274   SettingEntry("gui.smallmap_land_colour"),
01275 };
01277 static SettingsPage _settings_ui_display_page = {_settings_ui_display, lengthof(_settings_ui_display)};
01278 
01279 static SettingEntry _settings_ui_interaction[] = {
01280   SettingEntry("gui.window_snap_radius"),
01281   SettingEntry("gui.window_soft_limit"),
01282   SettingEntry("gui.link_terraform_toolbar"),
01283   SettingEntry("gui.prefer_teamchat"),
01284   SettingEntry("gui.autoscroll"),
01285   SettingEntry("gui.reverse_scroll"),
01286   SettingEntry("gui.smooth_scroll"),
01287   SettingEntry("gui.left_mouse_btn_scrolling"),
01288   /* While the horizontal scrollwheel scrolling is written as general code, only
01289    *  the cocoa (OSX) driver generates input for it.
01290    *  Since it's also able to completely disable the scrollwheel will we display it on all platforms anyway */
01291   SettingEntry("gui.scrollwheel_scrolling"),
01292   SettingEntry("gui.scrollwheel_multiplier"),
01293 #ifdef __APPLE__
01294   /* We might need to emulate a right mouse button on mac */
01295   SettingEntry("gui.right_mouse_btn_emulation"),
01296 #endif
01297 };
01299 static SettingsPage _settings_ui_interaction_page = {_settings_ui_interaction, lengthof(_settings_ui_interaction)};
01300 
01301 static SettingEntry _settings_ui[] = {
01302   SettingEntry(&_settings_ui_display_page, STR_CONFIG_SETTING_DISPLAY_OPTIONS),
01303   SettingEntry(&_settings_ui_interaction_page, STR_CONFIG_SETTING_INTERACTION),
01304   SettingEntry("gui.show_finances"),
01305   SettingEntry("gui.errmsg_duration"),
01306   SettingEntry("gui.hover_delay"),
01307   SettingEntry("gui.toolbar_pos"),
01308   SettingEntry("gui.statusbar_pos"),
01309   SettingEntry("gui.pause_on_newgame"),
01310   SettingEntry("gui.advanced_vehicle_list"),
01311   SettingEntry("gui.timetable_in_ticks"),
01312   SettingEntry("gui.timetable_arrival_departure"),
01313   SettingEntry("gui.quick_goto"),
01314   SettingEntry("gui.default_rail_type"),
01315   SettingEntry("gui.disable_unsuitable_building"),
01316   SettingEntry("gui.persistent_buildingtools"),
01317   SettingEntry("gui.coloured_news_year"),
01318 };
01320 static SettingsPage _settings_ui_page = {_settings_ui, lengthof(_settings_ui)};
01321 
01322 static SettingEntry _settings_construction_signals[] = {
01323   SettingEntry("construction.signal_side"),
01324   SettingEntry("gui.enable_signal_gui"),
01325   SettingEntry("gui.drag_signals_density"),
01326   SettingEntry("gui.semaphore_build_before"),
01327   SettingEntry("gui.default_signal_type"),
01328   SettingEntry("gui.cycle_signal_types"),
01329 };
01331 static SettingsPage _settings_construction_signals_page = {_settings_construction_signals, lengthof(_settings_construction_signals)};
01332 
01333 static SettingEntry _settings_construction[] = {
01334   SettingEntry(&_settings_construction_signals_page, STR_CONFIG_SETTING_CONSTRUCTION_SIGNALS),
01335   SettingEntry("construction.build_on_slopes"),
01336   SettingEntry("construction.autoslope"),
01337   SettingEntry("construction.extra_dynamite"),
01338   SettingEntry("construction.max_bridge_length"),
01339   SettingEntry("construction.max_tunnel_length"),
01340   SettingEntry("station.never_expire_airports"),
01341   SettingEntry("construction.freeform_edges"),
01342   SettingEntry("construction.extra_tree_placement"),
01343   SettingEntry("construction.command_pause_level"),
01344 };
01346 static SettingsPage _settings_construction_page = {_settings_construction, lengthof(_settings_construction)};
01347 
01348 static SettingEntry _settings_stations_cargo[] = {
01349   SettingEntry("order.improved_load"),
01350   SettingEntry("order.gradual_loading"),
01351   SettingEntry("order.selectgoods"),
01352 };
01354 static SettingsPage _settings_stations_cargo_page = {_settings_stations_cargo, lengthof(_settings_stations_cargo)};
01355 
01356 static SettingEntry _settings_stations[] = {
01357   SettingEntry(&_settings_stations_cargo_page, STR_CONFIG_SETTING_STATIONS_CARGOHANDLING),
01358   SettingEntry("station.adjacent_stations"),
01359   SettingEntry("station.distant_join_stations"),
01360   SettingEntry("station.station_spread"),
01361   SettingEntry("economy.station_noise_level"),
01362   SettingEntry("station.modified_catchment"),
01363   SettingEntry("construction.road_stop_on_town_road"),
01364   SettingEntry("construction.road_stop_on_competitor_road"),
01365 };
01367 static SettingsPage _settings_stations_page = {_settings_stations, lengthof(_settings_stations)};
01368 
01369 static SettingEntry _settings_economy_towns[] = {
01370   SettingEntry("economy.bribe"),
01371   SettingEntry("economy.exclusive_rights"),
01372   SettingEntry("economy.fund_roads"),
01373   SettingEntry("economy.town_layout"),
01374   SettingEntry("economy.allow_town_roads"),
01375   SettingEntry("economy.allow_town_level_crossings"),
01376   SettingEntry("economy.found_town"),
01377   SettingEntry("economy.mod_road_rebuild"),
01378   SettingEntry("economy.town_growth_rate"),
01379   SettingEntry("economy.larger_towns"),
01380   SettingEntry("economy.initial_city_size"),
01381 };
01383 static SettingsPage _settings_economy_towns_page = {_settings_economy_towns, lengthof(_settings_economy_towns)};
01384 
01385 static SettingEntry _settings_economy_industries[] = {
01386   SettingEntry("construction.raw_industry_construction"),
01387   SettingEntry("construction.industry_platform"),
01388   SettingEntry("economy.multiple_industry_per_town"),
01389   SettingEntry("game_creation.oil_refinery_limit"),
01390 };
01392 static SettingsPage _settings_economy_industries_page = {_settings_economy_industries, lengthof(_settings_economy_industries)};
01393 
01394 static SettingEntry _settings_economy[] = {
01395   SettingEntry(&_settings_economy_towns_page, STR_CONFIG_SETTING_ECONOMY_TOWNS),
01396   SettingEntry(&_settings_economy_industries_page, STR_CONFIG_SETTING_ECONOMY_INDUSTRIES),
01397   SettingEntry("economy.inflation"),
01398   SettingEntry("economy.smooth_economy"),
01399   SettingEntry("economy.feeder_payment_share"),
01400 };
01402 static SettingsPage _settings_economy_page = {_settings_economy, lengthof(_settings_economy)};
01403 
01404 static SettingEntry _settings_ai_npc[] = {
01405   SettingEntry("ai.ai_in_multiplayer"),
01406   SettingEntry("ai.ai_disable_veh_train"),
01407   SettingEntry("ai.ai_disable_veh_roadveh"),
01408   SettingEntry("ai.ai_disable_veh_aircraft"),
01409   SettingEntry("ai.ai_disable_veh_ship"),
01410   SettingEntry("ai.ai_max_opcode_till_suspend"),
01411 };
01413 static SettingsPage _settings_ai_npc_page = {_settings_ai_npc, lengthof(_settings_ai_npc)};
01414 
01415 static SettingEntry _settings_ai[] = {
01416   SettingEntry(&_settings_ai_npc_page, STR_CONFIG_SETTING_AI_NPC),
01417   SettingEntry("economy.give_money"),
01418   SettingEntry("economy.allow_shares"),
01419 };
01421 static SettingsPage _settings_ai_page = {_settings_ai, lengthof(_settings_ai)};
01422 
01423 static SettingEntry _settings_vehicles_routing[] = {
01424   SettingEntry("pf.pathfinder_for_trains"),
01425   SettingEntry("pf.forbid_90_deg"),
01426   SettingEntry("pf.pathfinder_for_roadvehs"),
01427   SettingEntry("pf.roadveh_queue"),
01428   SettingEntry("pf.pathfinder_for_ships"),
01429 };
01431 static SettingsPage _settings_vehicles_routing_page = {_settings_vehicles_routing, lengthof(_settings_vehicles_routing)};
01432 
01433 static SettingEntry _settings_vehicles_autorenew[] = {
01434   SettingEntry("company.engine_renew"),
01435   SettingEntry("company.engine_renew_months"),
01436   SettingEntry("company.engine_renew_money"),
01437 };
01439 static SettingsPage _settings_vehicles_autorenew_page = {_settings_vehicles_autorenew, lengthof(_settings_vehicles_autorenew)};
01440 
01441 static SettingEntry _settings_vehicles_servicing[] = {
01442   SettingEntry("vehicle.servint_ispercent"),
01443   SettingEntry("vehicle.servint_trains"),
01444   SettingEntry("vehicle.servint_roadveh"),
01445   SettingEntry("vehicle.servint_ships"),
01446   SettingEntry("vehicle.servint_aircraft"),
01447   SettingEntry("order.no_servicing_if_no_breakdowns"),
01448   SettingEntry("order.serviceathelipad"),
01449 };
01451 static SettingsPage _settings_vehicles_servicing_page = {_settings_vehicles_servicing, lengthof(_settings_vehicles_servicing)};
01452 
01453 static SettingEntry _settings_vehicles_trains[] = {
01454   SettingEntry("pf.reverse_at_signals"),
01455   SettingEntry("vehicle.train_acceleration_model"),
01456   SettingEntry("vehicle.train_slope_steepness"),
01457   SettingEntry("vehicle.max_train_length"),
01458   SettingEntry("vehicle.wagon_speed_limits"),
01459   SettingEntry("vehicle.disable_elrails"),
01460   SettingEntry("vehicle.freight_trains"),
01461   SettingEntry("gui.stop_location"),
01462 };
01464 static SettingsPage _settings_vehicles_trains_page = {_settings_vehicles_trains, lengthof(_settings_vehicles_trains)};
01465 
01466 static SettingEntry _settings_vehicles[] = {
01467   SettingEntry(&_settings_vehicles_routing_page, STR_CONFIG_SETTING_VEHICLES_ROUTING),
01468   SettingEntry(&_settings_vehicles_autorenew_page, STR_CONFIG_SETTING_VEHICLES_AUTORENEW),
01469   SettingEntry(&_settings_vehicles_servicing_page, STR_CONFIG_SETTING_VEHICLES_SERVICING),
01470   SettingEntry(&_settings_vehicles_trains_page, STR_CONFIG_SETTING_VEHICLES_TRAINS),
01471   SettingEntry("gui.new_nonstop"),
01472   SettingEntry("gui.order_review_system"),
01473   SettingEntry("gui.vehicle_income_warn"),
01474   SettingEntry("gui.lost_vehicle_warn"),
01475   SettingEntry("vehicle.never_expire_vehicles"),
01476   SettingEntry("vehicle.max_trains"),
01477   SettingEntry("vehicle.max_roadveh"),
01478   SettingEntry("vehicle.max_aircraft"),
01479   SettingEntry("vehicle.max_ships"),
01480   SettingEntry("vehicle.plane_speed"),
01481   SettingEntry("vehicle.plane_crashes"),
01482   SettingEntry("vehicle.dynamic_engines"),
01483   SettingEntry("vehicle.roadveh_acceleration_model"),
01484   SettingEntry("vehicle.roadveh_slope_steepness"),
01485   SettingEntry("vehicle.smoke_amount"),
01486 };
01488 static SettingsPage _settings_vehicles_page = {_settings_vehicles, lengthof(_settings_vehicles)};
01489 
01490 static SettingEntry _settings_main[] = {
01491   SettingEntry(&_settings_ui_page,           STR_CONFIG_SETTING_GUI),
01492   SettingEntry(&_settings_construction_page, STR_CONFIG_SETTING_CONSTRUCTION),
01493   SettingEntry(&_settings_vehicles_page,     STR_CONFIG_SETTING_VEHICLES),
01494   SettingEntry(&_settings_stations_page,     STR_CONFIG_SETTING_STATIONS),
01495   SettingEntry(&_settings_economy_page,      STR_CONFIG_SETTING_ECONOMY),
01496   SettingEntry(&_settings_ai_page,           STR_CONFIG_SETTING_AI),
01497 };
01498 
01500 static SettingsPage _settings_main_page = {_settings_main, lengthof(_settings_main)};
01501 
01503 enum GameSettingsWidgets {
01504   SETTINGSEL_OPTIONSPANEL, 
01505   SETTINGSEL_SCROLLBAR,    
01506 };
01507 
01508 struct GameSettingsWindow : Window {
01509   static const int SETTINGTREE_LEFT_OFFSET   = 5; 
01510   static const int SETTINGTREE_RIGHT_OFFSET  = 5; 
01511   static const int SETTINGTREE_TOP_OFFSET    = 5; 
01512   static const int SETTINGTREE_BOTTOM_OFFSET = 5; 
01513 
01514   static GameSettings *settings_ptr;  
01515 
01516   SettingEntry *valuewindow_entry; 
01517   SettingEntry *clicked_entry; 
01518 
01519   Scrollbar *vscroll;
01520 
01521   GameSettingsWindow(const WindowDesc *desc) : Window()
01522   {
01523     static bool first_time = true;
01524 
01525     settings_ptr = &GetGameSettings();
01526 
01527     /* Build up the dynamic settings-array only once per OpenTTD session */
01528     if (first_time) {
01529       _settings_main_page.Init();
01530       first_time = false;
01531     } else {
01532       _settings_main_page.FoldAll(); // Close all sub-pages
01533     }
01534 
01535     this->valuewindow_entry = NULL; // No setting entry for which a entry window is opened
01536     this->clicked_entry = NULL; // No numeric setting buttons are depressed
01537 
01538     this->CreateNestedTree(desc);
01539     this->vscroll = this->GetScrollbar(SETTINGSEL_SCROLLBAR);
01540     this->FinishInitNested(desc, 0);
01541 
01542     this->vscroll->SetCount(_settings_main_page.Length());
01543   }
01544 
01545   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01546   {
01547     if (widget != SETTINGSEL_OPTIONSPANEL) return;
01548 
01549     resize->height = SETTING_HEIGHT = max(11, FONT_HEIGHT_NORMAL + 1);
01550     resize->width  = 1;
01551 
01552     size->height = 5 * resize->height + SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET;
01553   }
01554 
01555   virtual void DrawWidget(const Rect &r, int widget) const
01556   {
01557     if (widget != SETTINGSEL_OPTIONSPANEL) return;
01558 
01559     _settings_main_page.Draw(settings_ptr, r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, r.top + SETTINGTREE_TOP_OFFSET,
01560         this->vscroll->GetPosition(), this->vscroll->GetPosition() + this->vscroll->GetCapacity());
01561   }
01562 
01563   virtual void OnClick(Point pt, int widget, int click_count)
01564   {
01565     if (widget != SETTINGSEL_OPTIONSPANEL) return;
01566 
01567     uint btn = this->vscroll->GetScrolledRowFromWidget(pt.y, this, SETTINGSEL_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET - 1);
01568     if (btn == INT_MAX) return;
01569 
01570     uint cur_row = 0;
01571     SettingEntry *pe = _settings_main_page.FindEntry(btn, &cur_row);
01572 
01573     if (pe == NULL) return;  // Clicked below the last setting of the page
01574 
01575     int x = (_current_text_dir == TD_RTL ? this->width - pt.x : pt.x) - SETTINGTREE_LEFT_OFFSET - (pe->level + 1) * LEVEL_WIDTH;  // Shift x coordinate
01576     if (x < 0) return;  // Clicked left of the entry
01577 
01578     if ((pe->flags & SEF_KIND_MASK) == SEF_SUBTREE_KIND) {
01579       pe->d.sub.folded = !pe->d.sub.folded; // Flip 'folded'-ness of the sub-page
01580 
01581       this->vscroll->SetCount(_settings_main_page.Length());
01582       this->SetDirty();
01583       return;
01584     }
01585 
01586     assert((pe->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
01587     const SettingDesc *sd = pe->d.entry.setting;
01588 
01589     /* return if action is only active in network, or only settable by server */
01590     if (!(sd->save.conv & SLF_NETWORK_NO) && _networking && !_network_server && !(sd->desc.flags & SGF_PER_COMPANY)) return;
01591     if ((sd->desc.flags & SGF_NETWORK_ONLY) && !_networking) return;
01592     if ((sd->desc.flags & SGF_NO_NETWORK) && _networking) return;
01593 
01594     const void *var = ResolveVariableAddress(settings_ptr, sd);
01595     int32 value = (int32)ReadValue(var, sd->save.conv);
01596 
01597     /* clicked on the icon on the left side. Either scroller or bool on/off */
01598     if (x < 21) {
01599       const SettingDescBase *sdb = &sd->desc;
01600       int32 oldvalue = value;
01601 
01602       switch (sdb->cmd) {
01603         case SDT_BOOLX: value ^= 1; break;
01604         case SDT_ONEOFMANY:
01605         case SDT_NUMX: {
01606           /* Add a dynamic step-size to the scroller. In a maximum of
01607            * 50-steps you should be able to get from min to max,
01608            * unless specified otherwise in the 'interval' variable
01609            * of the current setting. */
01610           uint32 step = (sdb->interval == 0) ? ((sdb->max - sdb->min) / 50) : sdb->interval;
01611           if (step == 0) step = 1;
01612 
01613           /* don't allow too fast scrolling */
01614           if ((this->flags4 & WF_TIMEOUT_MASK) > WF_TIMEOUT_TRIGGER) {
01615             _left_button_clicked = false;
01616             return;
01617           }
01618 
01619           /* Increase or decrease the value and clamp it to extremes */
01620           if (x >= 10) {
01621             value += step;
01622             if (sdb->min < 0) {
01623               assert((int32)sdb->max >= 0);
01624               if (value > (int32)sdb->max) value = (int32)sdb->max;
01625             } else {
01626               if ((uint32)value > sdb->max) value = (int32)sdb->max;
01627             }
01628             if (value < sdb->min) value = sdb->min; // skip between "disabled" and minimum
01629           } else {
01630             value -= step;
01631             if (value < sdb->min) value = (sdb->flags & SGF_0ISDISABLED) ? 0 : sdb->min;
01632           }
01633 
01634           /* Set up scroller timeout for numeric values */
01635           if (value != oldvalue && !(sd->desc.flags & SGF_MULTISTRING)) {
01636             if (this->clicked_entry != NULL) { // Release previous buttons if any
01637               this->clicked_entry->SetButtons(0);
01638             }
01639             this->clicked_entry = pe;
01640             this->clicked_entry->SetButtons((x >= 10) != (_current_text_dir == TD_RTL) ? SEF_RIGHT_DEPRESSED : SEF_LEFT_DEPRESSED);
01641             this->flags4 |= WF_TIMEOUT_BEGIN;
01642             _left_button_clicked = false;
01643           }
01644           break;
01645         }
01646 
01647         default: NOT_REACHED();
01648       }
01649 
01650       if (value != oldvalue) {
01651         if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
01652           SetCompanySetting(pe->d.entry.index, value);
01653         } else {
01654           SetSettingValue(pe->d.entry.index, value);
01655         }
01656         this->SetDirty();
01657       }
01658     } else {
01659       /* only open editbox for types that its sensible for */
01660       if (sd->desc.cmd != SDT_BOOLX && !(sd->desc.flags & SGF_MULTISTRING)) {
01661         /* Show the correct currency-translated value */
01662         if (sd->desc.flags & SGF_CURRENCY) value *= _currency->rate;
01663 
01664         this->valuewindow_entry = pe;
01665         SetDParam(0, value);
01666         ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, 100, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
01667       }
01668     }
01669   }
01670 
01671   virtual void OnTimeout()
01672   {
01673     if (this->clicked_entry != NULL) { // On timeout, release any depressed buttons
01674       this->clicked_entry->SetButtons(0);
01675       this->clicked_entry = NULL;
01676       this->SetDirty();
01677     }
01678   }
01679 
01680   virtual void OnQueryTextFinished(char *str)
01681   {
01682     /* The user pressed cancel */
01683     if (str == NULL) return;
01684 
01685     assert(this->valuewindow_entry != NULL);
01686     assert((this->valuewindow_entry->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
01687     const SettingDesc *sd = this->valuewindow_entry->d.entry.setting;
01688 
01689     int32 value;
01690     if (!StrEmpty(str)) {
01691       value = atoi(str);
01692 
01693       /* Save the correct currency-translated value */
01694       if (sd->desc.flags & SGF_CURRENCY) value /= _currency->rate;
01695     } else {
01696       value = (int32)(size_t)sd->desc.def;
01697     }
01698 
01699     if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
01700       SetCompanySetting(this->valuewindow_entry->d.entry.index, value);
01701     } else {
01702       SetSettingValue(this->valuewindow_entry->d.entry.index, value);
01703     }
01704     this->SetDirty();
01705   }
01706 
01707   virtual void OnResize()
01708   {
01709     this->vscroll->SetCapacityFromWidget(this, SETTINGSEL_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET);
01710   }
01711 };
01712 
01713 GameSettings *GameSettingsWindow::settings_ptr = NULL;
01714 
01715 static const NWidgetPart _nested_settings_selection_widgets[] = {
01716   NWidget(NWID_HORIZONTAL),
01717     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
01718     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_CONFIG_SETTING_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01719   EndContainer(),
01720   NWidget(NWID_HORIZONTAL),
01721     NWidget(WWT_PANEL, COLOUR_MAUVE, SETTINGSEL_OPTIONSPANEL), SetMinimalSize(400, 174), SetScrollbar(SETTINGSEL_SCROLLBAR), EndContainer(),
01722     NWidget(NWID_VERTICAL),
01723       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, SETTINGSEL_SCROLLBAR),
01724       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
01725     EndContainer(),
01726   EndContainer(),
01727 };
01728 
01729 static const WindowDesc _settings_selection_desc(
01730   WDP_CENTER, 450, 397,
01731   WC_GAME_OPTIONS, WC_NONE,
01732   0,
01733   _nested_settings_selection_widgets, lengthof(_nested_settings_selection_widgets)
01734 );
01735 
01737 void ShowGameSettings()
01738 {
01739   DeleteWindowById(WC_GAME_OPTIONS, 0);
01740   new GameSettingsWindow(&_settings_selection_desc);
01741 }
01742 
01743 
01753 void DrawArrowButtons(int x, int y, Colours button_colour, byte state, bool clickable_left, bool clickable_right)
01754 {
01755   int colour = _colour_gradient[button_colour][2];
01756 
01757   DrawFrameRect(x,      y + 1, x +  9, y + 9, button_colour, (state == 1) ? FR_LOWERED : FR_NONE);
01758   DrawFrameRect(x + 10, y + 1, x + 19, y + 9, button_colour, (state == 2) ? FR_LOWERED : FR_NONE);
01759   DrawSprite(SPR_ARROW_LEFT, PAL_NONE, x + WD_IMGBTN_LEFT, y + WD_IMGBTN_TOP);
01760   DrawSprite(SPR_ARROW_RIGHT, PAL_NONE, x + WD_IMGBTN_LEFT + 10, y + WD_IMGBTN_TOP);
01761 
01762   /* Grey out the buttons that aren't clickable */
01763   bool rtl = _current_text_dir == TD_RTL;
01764   if (rtl ? !clickable_right : !clickable_left) {
01765     GfxFillRect(x +  1, y + 1, x +  1 + 8, y + 8, colour, FILLRECT_CHECKER);
01766   }
01767   if (rtl ? !clickable_left : !clickable_right) {
01768     GfxFillRect(x + 11, y + 1, x + 11 + 8, y + 8, colour, FILLRECT_CHECKER);
01769   }
01770 }
01771 
01773 enum CustomCurrencyWidgets {
01774   CUSTCURR_RATE_DOWN,
01775   CUSTCURR_RATE_UP,
01776   CUSTCURR_RATE,
01777   CUSTCURR_SEPARATOR_EDIT,
01778   CUSTCURR_SEPARATOR,
01779   CUSTCURR_PREFIX_EDIT,
01780   CUSTCURR_PREFIX,
01781   CUSTCURR_SUFFIX_EDIT,
01782   CUSTCURR_SUFFIX,
01783   CUSTCURR_YEAR_DOWN,
01784   CUSTCURR_YEAR_UP,
01785   CUSTCURR_YEAR,
01786   CUSTCURR_PREVIEW,
01787 };
01788 
01789 struct CustomCurrencyWindow : Window {
01790   int query_widget;
01791 
01792   CustomCurrencyWindow(const WindowDesc *desc) : Window()
01793   {
01794     this->InitNested(desc);
01795 
01796     SetButtonState();
01797   }
01798 
01799   void SetButtonState()
01800   {
01801     this->SetWidgetDisabledState(CUSTCURR_RATE_DOWN, _custom_currency.rate == 1);
01802     this->SetWidgetDisabledState(CUSTCURR_RATE_UP, _custom_currency.rate == UINT16_MAX);
01803     this->SetWidgetDisabledState(CUSTCURR_YEAR_DOWN, _custom_currency.to_euro == CF_NOEURO);
01804     this->SetWidgetDisabledState(CUSTCURR_YEAR_UP, _custom_currency.to_euro == MAX_YEAR);
01805   }
01806 
01807   virtual void SetStringParameters(int widget) const
01808   {
01809     switch (widget) {
01810       case CUSTCURR_RATE:      SetDParam(0, 1); SetDParam(1, 1);            break;
01811       case CUSTCURR_SEPARATOR: SetDParamStr(0, _custom_currency.separator); break;
01812       case CUSTCURR_PREFIX:    SetDParamStr(0, _custom_currency.prefix);    break;
01813       case CUSTCURR_SUFFIX:    SetDParamStr(0, _custom_currency.suffix);    break;
01814       case CUSTCURR_YEAR:
01815         SetDParam(0, (_custom_currency.to_euro != CF_NOEURO) ? STR_CURRENCY_SWITCH_TO_EURO : STR_CURRENCY_SWITCH_TO_EURO_NEVER);
01816         SetDParam(1, _custom_currency.to_euro);
01817         break;
01818 
01819       case CUSTCURR_PREVIEW:
01820         SetDParam(0, 10000);
01821         break;
01822     }
01823   }
01824 
01825   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01826   {
01827     switch (widget) {
01828       /* Set the appropriate width for the edit 'buttons' */
01829       case CUSTCURR_SEPARATOR_EDIT:
01830       case CUSTCURR_PREFIX_EDIT:
01831       case CUSTCURR_SUFFIX_EDIT:
01832         size->width  = this->GetWidget<NWidgetBase>(CUSTCURR_RATE_DOWN)->smallest_x + this->GetWidget<NWidgetBase>(CUSTCURR_RATE_UP)->smallest_x;
01833         break;
01834 
01835       /* Make sure the window is wide enough for the widest exchange rate */
01836       case CUSTCURR_RATE:
01837         SetDParam(0, 1);
01838         SetDParam(1, INT32_MAX);
01839         *size = GetStringBoundingBox(STR_CURRENCY_EXCHANGE_RATE);
01840         break;
01841     }
01842   }
01843 
01844   virtual void OnClick(Point pt, int widget, int click_count)
01845   {
01846     int line = 0;
01847     int len = 0;
01848     StringID str = 0;
01849     CharSetFilter afilter = CS_ALPHANUMERAL;
01850 
01851     switch (widget) {
01852       case CUSTCURR_RATE_DOWN:
01853         if (_custom_currency.rate > 1) _custom_currency.rate--;
01854         if (_custom_currency.rate == 1) this->DisableWidget(CUSTCURR_RATE_DOWN);
01855         this->EnableWidget(CUSTCURR_RATE_UP);
01856         break;
01857 
01858       case CUSTCURR_RATE_UP:
01859         if (_custom_currency.rate < UINT16_MAX) _custom_currency.rate++;
01860         if (_custom_currency.rate == UINT16_MAX) this->DisableWidget(CUSTCURR_RATE_UP);
01861         this->EnableWidget(CUSTCURR_RATE_DOWN);
01862         break;
01863 
01864       case CUSTCURR_RATE:
01865         SetDParam(0, _custom_currency.rate);
01866         str = STR_JUST_INT;
01867         len = 5;
01868         line = CUSTCURR_RATE;
01869         afilter = CS_NUMERAL;
01870         break;
01871 
01872       case CUSTCURR_SEPARATOR_EDIT:
01873       case CUSTCURR_SEPARATOR:
01874         SetDParamStr(0, _custom_currency.separator);
01875         str = STR_JUST_RAW_STRING;
01876         len = 1;
01877         line = CUSTCURR_SEPARATOR;
01878         break;
01879 
01880       case CUSTCURR_PREFIX_EDIT:
01881       case CUSTCURR_PREFIX:
01882         SetDParamStr(0, _custom_currency.prefix);
01883         str = STR_JUST_RAW_STRING;
01884         len = 12;
01885         line = CUSTCURR_PREFIX;
01886         break;
01887 
01888       case CUSTCURR_SUFFIX_EDIT:
01889       case CUSTCURR_SUFFIX:
01890         SetDParamStr(0, _custom_currency.suffix);
01891         str = STR_JUST_RAW_STRING;
01892         len = 12;
01893         line = CUSTCURR_SUFFIX;
01894         break;
01895 
01896       case CUSTCURR_YEAR_DOWN:
01897         _custom_currency.to_euro = (_custom_currency.to_euro <= 2000) ? CF_NOEURO : _custom_currency.to_euro - 1;
01898         if (_custom_currency.to_euro == CF_NOEURO) this->DisableWidget(CUSTCURR_YEAR_DOWN);
01899         this->EnableWidget(CUSTCURR_YEAR_UP);
01900         break;
01901 
01902       case CUSTCURR_YEAR_UP:
01903         _custom_currency.to_euro = Clamp(_custom_currency.to_euro + 1, 2000, MAX_YEAR);
01904         if (_custom_currency.to_euro == MAX_YEAR) this->DisableWidget(CUSTCURR_YEAR_UP);
01905         this->EnableWidget(CUSTCURR_YEAR_DOWN);
01906         break;
01907 
01908       case CUSTCURR_YEAR:
01909         SetDParam(0, _custom_currency.to_euro);
01910         str = STR_JUST_INT;
01911         len = 7;
01912         line = CUSTCURR_YEAR;
01913         afilter = CS_NUMERAL;
01914         break;
01915     }
01916 
01917     if (len != 0) {
01918       this->query_widget = line;
01919       ShowQueryString(str, STR_CURRENCY_CHANGE_PARAMETER, len + 1, 250, this, afilter, QSF_NONE);
01920     }
01921 
01922     this->flags4 |= WF_TIMEOUT_BEGIN;
01923     this->SetDirty();
01924   }
01925 
01926   virtual void OnQueryTextFinished(char *str)
01927   {
01928     if (str == NULL) return;
01929 
01930     switch (this->query_widget) {
01931       case CUSTCURR_RATE:
01932         _custom_currency.rate = Clamp(atoi(str), 1, UINT16_MAX);
01933         break;
01934 
01935       case CUSTCURR_SEPARATOR: // Thousands seperator
01936         strecpy(_custom_currency.separator, str, lastof(_custom_currency.separator));
01937         break;
01938 
01939       case CUSTCURR_PREFIX:
01940         strecpy(_custom_currency.prefix, str, lastof(_custom_currency.prefix));
01941         break;
01942 
01943       case CUSTCURR_SUFFIX:
01944         strecpy(_custom_currency.suffix, str, lastof(_custom_currency.suffix));
01945         break;
01946 
01947       case CUSTCURR_YEAR: { // Year to switch to euro
01948         int val = atoi(str);
01949 
01950         _custom_currency.to_euro = (val < 2000 ? CF_NOEURO : min(val, MAX_YEAR));
01951         break;
01952       }
01953     }
01954     MarkWholeScreenDirty();
01955     SetButtonState();
01956   }
01957 
01958   virtual void OnTimeout()
01959   {
01960     this->SetDirty();
01961   }
01962 };
01963 
01964 static const NWidgetPart _nested_cust_currency_widgets[] = {
01965   NWidget(NWID_HORIZONTAL),
01966     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
01967     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CURRENCY_WINDOW, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01968   EndContainer(),
01969   NWidget(WWT_PANEL, COLOUR_GREY),
01970     NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(7, 3, 0),
01971       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01972         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, CUSTCURR_RATE_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_EXCHANGE_RATE_TOOLTIP),
01973         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, CUSTCURR_RATE_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_EXCHANGE_RATE_TOOLTIP),
01974         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01975         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_RATE), SetDataTip(STR_CURRENCY_EXCHANGE_RATE, STR_CURRENCY_SET_EXCHANGE_RATE_TOOLTIP), SetFill(1, 0),
01976       EndContainer(),
01977       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01978         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_SEPARATOR_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(0, 1),
01979         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01980         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_SEPARATOR), SetDataTip(STR_CURRENCY_SEPARATOR, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(1, 0),
01981       EndContainer(),
01982       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01983         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_PREFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(0, 1),
01984         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01985         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_PREFIX), SetDataTip(STR_CURRENCY_PREFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(1, 0),
01986       EndContainer(),
01987       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01988         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_SUFFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(0, 1),
01989         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01990         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_SUFFIX), SetDataTip(STR_CURRENCY_SUFFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(1, 0),
01991       EndContainer(),
01992       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01993         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, CUSTCURR_YEAR_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
01994         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, CUSTCURR_YEAR_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
01995         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01996         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_YEAR), SetDataTip(STR_JUST_STRING, STR_CURRENCY_SET_CUSTOM_CURRENCY_TO_EURO_TOOLTIP), SetFill(1, 0),
01997       EndContainer(),
01998     EndContainer(),
01999     NWidget(WWT_LABEL, COLOUR_BLUE, CUSTCURR_PREVIEW),
02000                 SetDataTip(STR_CURRENCY_PREVIEW, STR_CURRENCY_CUSTOM_CURRENCY_PREVIEW_TOOLTIP), SetPadding(15, 1, 18, 2),
02001   EndContainer(),
02002 };
02003 
02004 static const WindowDesc _cust_currency_desc(
02005   WDP_CENTER, 0, 0,
02006   WC_CUSTOM_CURRENCY, WC_NONE,
02007   WDF_UNCLICK_BUTTONS,
02008   _nested_cust_currency_widgets, lengthof(_nested_cust_currency_widgets)
02009 );
02010 
02012 static void ShowCustCurrency()
02013 {
02014   DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
02015   new CustomCurrencyWindow(&_cust_currency_desc);
02016 }

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