settings_gui.cpp

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00001 /* $Id: settings_gui.cpp 21048 2010-10-27 20:17:45Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "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 "openttd.h"
00028 #include "highscore.h"
00029 #include "base_media_base.h"
00030 #include "company_base.h"
00031 #include "company_func.h"
00032 #include "viewport_func.h"
00033 #include "core/geometry_func.hpp"
00034 #include "ai/ai.hpp"
00035 #include <map>
00036 
00037 #include "table/sprites.h"
00038 #include "table/strings.h"
00039 
00040 static const StringID _units_dropdown[] = {
00041   STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL,
00042   STR_GAME_OPTIONS_MEASURING_UNITS_METRIC,
00043   STR_GAME_OPTIONS_MEASURING_UNITS_SI,
00044   INVALID_STRING_ID
00045 };
00046 
00047 static const StringID _driveside_dropdown[] = {
00048   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT,
00049   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_RIGHT,
00050   INVALID_STRING_ID
00051 };
00052 
00053 static const StringID _autosave_dropdown[] = {
00054   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_OFF,
00055   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_1_MONTH,
00056   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_3_MONTHS,
00057   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_6_MONTHS,
00058   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_12_MONTHS,
00059   INVALID_STRING_ID,
00060 };
00061 
00062 static StringID *BuildDynamicDropdown(StringID base, int num)
00063 {
00064   static StringID buf[32 + 1];
00065   StringID *p = buf;
00066   while (--num >= 0) *p++ = base++;
00067   *p = INVALID_STRING_ID;
00068   return buf;
00069 }
00070 
00071 int _nb_orig_names = SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1;
00072 static StringID *_grf_names = NULL;
00073 static int _nb_grf_names = 0;
00074 
00075 void InitGRFTownGeneratorNames()
00076 {
00077   free(_grf_names);
00078   _grf_names = GetGRFTownNameList();
00079   _nb_grf_names = 0;
00080   for (StringID *s = _grf_names; *s != INVALID_STRING_ID; s++) _nb_grf_names++;
00081 }
00082 
00083 static inline StringID TownName(int town_name)
00084 {
00085   if (town_name < _nb_orig_names) return STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + town_name;
00086   town_name -= _nb_orig_names;
00087   if (town_name < _nb_grf_names) return _grf_names[town_name];
00088   return STR_UNDEFINED;
00089 }
00090 
00091 static int GetCurRes()
00092 {
00093   int i;
00094 
00095   for (i = 0; i != _num_resolutions; i++) {
00096     if ((int)_resolutions[i].width == _screen.width &&
00097         (int)_resolutions[i].height == _screen.height) {
00098       break;
00099     }
00100   }
00101   return i;
00102 }
00103 
00105 enum GameOptionsWidgets {
00106   GOW_BACKGROUND,             
00107   GOW_CURRENCY_DROPDOWN,      
00108   GOW_DISTANCE_DROPDOWN,      
00109   GOW_ROADSIDE_DROPDOWN,      
00110   GOW_TOWNNAME_DROPDOWN,      
00111   GOW_AUTOSAVE_DROPDOWN,      
00112   GOW_LANG_DROPDOWN,          
00113   GOW_RESOLUTION_DROPDOWN,    
00114   GOW_FULLSCREEN_BUTTON,      
00115   GOW_SCREENSHOT_DROPDOWN,    
00116   GOW_BASE_GRF_DROPDOWN,      
00117   GOW_BASE_GRF_STATUS,        
00118   GOW_BASE_GRF_DESCRIPTION,   
00119   GOW_BASE_SFX_DROPDOWN,      
00120   GOW_BASE_SFX_DESCRIPTION,   
00121   GOW_BASE_MUSIC_DROPDOWN,    
00122   GOW_BASE_MUSIC_STATUS,      
00123   GOW_BASE_MUSIC_DESCRIPTION, 
00124 };
00125 
00131 static void ShowTownnameDropdown(Window *w, int sel)
00132 {
00133   typedef std::map<StringID, int, StringIDCompare> TownList;
00134   TownList townnames;
00135 
00136   /* Add and sort original townnames generators */
00137   for (int i = 0; i < _nb_orig_names; i++) townnames[STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + i] = i;
00138 
00139   /* Add and sort newgrf townnames generators */
00140   for (int i = 0; i < _nb_grf_names; i++) townnames[_grf_names[i]] = _nb_orig_names + i;
00141 
00142   DropDownList *list = new DropDownList();
00143   for (TownList::iterator it = townnames.begin(); it != townnames.end(); it++) {
00144     list->push_back(new DropDownListStringItem((*it).first, (*it).second, !(_game_mode == GM_MENU || Town::GetNumItems() == 0 || (*it).second == sel)));
00145   }
00146 
00147   ShowDropDownList(w, list, sel, GOW_TOWNNAME_DROPDOWN);
00148 }
00149 
00150 static void ShowCustCurrency();
00151 
00152 template <class T>
00153 static void ShowSetMenu(Window *w, int widget)
00154 {
00155   int n = T::GetNumSets();
00156   int current = T::GetIndexOfUsedSet();
00157 
00158   DropDownList *list = new DropDownList();
00159   for (int i = 0; i < n; i++) {
00160     list->push_back(new DropDownListCharStringItem(T::GetSet(i)->name, i, (_game_mode == GM_MENU) ? false : (current != i)));
00161   }
00162 
00163   ShowDropDownList(w, list, current, widget);
00164 }
00165 
00166 struct GameOptionsWindow : Window {
00167   GameSettings *opt;
00168   bool reload;
00169 
00170   GameOptionsWindow(const WindowDesc *desc) : Window()
00171   {
00172     this->opt = (_game_mode == GM_MENU) ? &_settings_newgame : &_settings_game;
00173     this->reload = false;
00174 
00175     this->InitNested(desc);
00176     this->OnInvalidateData(0);
00177   }
00178 
00179   ~GameOptionsWindow()
00180   {
00181     DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
00182     if (this->reload) _switch_mode = SM_MENU;
00183   }
00184 
00185   virtual void SetStringParameters(int widget) const
00186   {
00187     switch (widget) {
00188       case GOW_CURRENCY_DROPDOWN:   SetDParam(0, _currency_specs[this->opt->locale.currency].name); break;
00189       case GOW_DISTANCE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL + this->opt->locale.units); break;
00190       case GOW_ROADSIDE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT + this->opt->vehicle.road_side); break;
00191       case GOW_TOWNNAME_DROPDOWN:   SetDParam(0, TownName(this->opt->game_creation.town_name)); break;
00192       case GOW_AUTOSAVE_DROPDOWN:   SetDParam(0, _autosave_dropdown[_settings_client.gui.autosave]); break;
00193       case GOW_LANG_DROPDOWN:       SetDParam(0, SPECSTR_LANGUAGE_START + _dynlang.curr); break;
00194       case GOW_RESOLUTION_DROPDOWN: SetDParam(0, GetCurRes() == _num_resolutions ? STR_RES_OTHER : SPECSTR_RESOLUTION_START + GetCurRes()); break;
00195       case GOW_SCREENSHOT_DROPDOWN: SetDParam(0, SPECSTR_SCREENSHOT_START + _cur_screenshot_format); break;
00196       case GOW_BASE_GRF_DROPDOWN:   SetDParamStr(0, BaseGraphics::GetUsedSet()->name); break;
00197       case GOW_BASE_GRF_STATUS:     SetDParam(0, BaseGraphics::GetUsedSet()->GetNumInvalid()); break;
00198       case GOW_BASE_SFX_DROPDOWN:   SetDParamStr(0, BaseSounds::GetUsedSet()->name); break;
00199       case GOW_BASE_MUSIC_DROPDOWN: SetDParamStr(0, BaseMusic::GetUsedSet()->name); break;
00200       case GOW_BASE_MUSIC_STATUS:   SetDParam(0, BaseMusic::GetUsedSet()->GetNumInvalid()); break;
00201     }
00202   }
00203 
00204   virtual void OnPaint()
00205   {
00206     this->DrawWidgets();
00207   }
00208 
00209   virtual void DrawWidget(const Rect &r, int widget) const
00210   {
00211     switch (widget) {
00212       case GOW_BASE_GRF_DESCRIPTION:
00213         SetDParamStr(0, BaseGraphics::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
00214         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
00215         break;
00216 
00217       case GOW_BASE_SFX_DESCRIPTION:
00218         SetDParamStr(0, BaseSounds::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
00219         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
00220         break;
00221 
00222       case GOW_BASE_MUSIC_DESCRIPTION:
00223         SetDParamStr(0, BaseMusic::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
00224         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
00225         break;
00226     }
00227   }
00228 
00229   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00230   {
00231     switch (widget) {
00232       case GOW_BASE_GRF_DESCRIPTION:
00233         /* Find the biggest description for the default size. */
00234         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
00235           SetDParamStr(0, BaseGraphics::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
00236           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
00237         }
00238         break;
00239 
00240       case GOW_BASE_GRF_STATUS:
00241         /* Find the biggest description for the default size. */
00242         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
00243           uint invalid_files = BaseGraphics::GetSet(i)->GetNumInvalid();
00244           if (invalid_files == 0) continue;
00245 
00246           SetDParam(0, invalid_files);
00247           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_GRF_STATUS));
00248         }
00249         break;
00250 
00251       case GOW_BASE_SFX_DESCRIPTION:
00252         /* Find the biggest description for the default size. */
00253         for (int i = 0; i < BaseSounds::GetNumSets(); i++) {
00254           SetDParamStr(0, BaseSounds::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
00255           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
00256         }
00257         break;
00258 
00259       case GOW_BASE_MUSIC_DESCRIPTION:
00260         /* Find the biggest description for the default size. */
00261         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
00262           SetDParamStr(0, BaseMusic::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
00263           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
00264         }
00265         break;
00266 
00267       case GOW_BASE_MUSIC_STATUS:
00268         /* Find the biggest description for the default size. */
00269         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
00270           uint invalid_files = BaseMusic::GetSet(i)->GetNumInvalid();
00271           if (invalid_files == 0) continue;
00272 
00273           SetDParam(0, invalid_files);
00274           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_MUSIC_STATUS));
00275         }
00276         break;
00277     }
00278   }
00279 
00280   virtual void OnClick(Point pt, int widget, int click_count)
00281   {
00282     switch (widget) {
00283       case GOW_CURRENCY_DROPDOWN: // Setup currencies dropdown
00284         ShowDropDownMenu(this, BuildCurrencyDropdown(), this->opt->locale.currency, GOW_CURRENCY_DROPDOWN, _game_mode == GM_MENU ? 0 : ~GetMaskOfAllowedCurrencies(), 0);
00285         break;
00286 
00287       case GOW_DISTANCE_DROPDOWN: // Setup distance unit dropdown
00288         ShowDropDownMenu(this, _units_dropdown, this->opt->locale.units, GOW_DISTANCE_DROPDOWN, 0, 0);
00289         break;
00290 
00291       case GOW_ROADSIDE_DROPDOWN: { // Setup road-side dropdown
00292         int i = 0;
00293         extern bool RoadVehiclesAreBuilt();
00294 
00295         /* You can only change the drive side if you are in the menu or ingame with
00296          * no vehicles present. In a networking game only the server can change it */
00297         if ((_game_mode != GM_MENU && RoadVehiclesAreBuilt()) || (_networking && !_network_server)) {
00298           i = (-1) ^ (1 << this->opt->vehicle.road_side); // disable the other value
00299         }
00300 
00301         ShowDropDownMenu(this, _driveside_dropdown, this->opt->vehicle.road_side, GOW_ROADSIDE_DROPDOWN, i, 0);
00302       } break;
00303 
00304       case GOW_TOWNNAME_DROPDOWN: // Setup townname dropdown
00305         ShowTownnameDropdown(this, this->opt->game_creation.town_name);
00306         break;
00307 
00308       case GOW_AUTOSAVE_DROPDOWN: // Setup autosave dropdown
00309         ShowDropDownMenu(this, _autosave_dropdown, _settings_client.gui.autosave, GOW_AUTOSAVE_DROPDOWN, 0, 0);
00310         break;
00311 
00312       case GOW_LANG_DROPDOWN: { // Setup interface language dropdown
00313         typedef std::map<StringID, int, StringIDCompare> LangList;
00314 
00315         /* Sort language names */
00316         LangList langs;
00317         for (int i = 0; i < _dynlang.num; i++) langs[SPECSTR_LANGUAGE_START + i] = i;
00318 
00319         DropDownList *list = new DropDownList();
00320         for (LangList::iterator it = langs.begin(); it != langs.end(); it++) {
00321           list->push_back(new DropDownListStringItem((*it).first, (*it).second, false));
00322         }
00323 
00324         ShowDropDownList(this, list, _dynlang.curr, GOW_LANG_DROPDOWN);
00325       } break;
00326 
00327       case GOW_RESOLUTION_DROPDOWN: // Setup resolution dropdown
00328         ShowDropDownMenu(this, BuildDynamicDropdown(SPECSTR_RESOLUTION_START, _num_resolutions), GetCurRes(), GOW_RESOLUTION_DROPDOWN, 0, 0);
00329         break;
00330 
00331       case GOW_FULLSCREEN_BUTTON: // Click fullscreen on/off
00332         /* try to toggle full-screen on/off */
00333         if (!ToggleFullScreen(!_fullscreen)) {
00334           ShowErrorMessage(STR_ERROR_FULLSCREEN_FAILED, INVALID_STRING_ID, 0, 0);
00335         }
00336         this->SetWidgetLoweredState(GOW_FULLSCREEN_BUTTON, _fullscreen);
00337         this->SetDirty();
00338         break;
00339 
00340       case GOW_SCREENSHOT_DROPDOWN: // Setup screenshot format dropdown
00341         ShowDropDownMenu(this, BuildDynamicDropdown(SPECSTR_SCREENSHOT_START, _num_screenshot_formats), _cur_screenshot_format, GOW_SCREENSHOT_DROPDOWN, 0, 0);
00342         break;
00343 
00344       case GOW_BASE_GRF_DROPDOWN:
00345         ShowSetMenu<BaseGraphics>(this, GOW_BASE_GRF_DROPDOWN);
00346         break;
00347 
00348       case GOW_BASE_SFX_DROPDOWN:
00349         ShowSetMenu<BaseSounds>(this, GOW_BASE_SFX_DROPDOWN);
00350         break;
00351 
00352       case GOW_BASE_MUSIC_DROPDOWN:
00353         ShowSetMenu<BaseMusic>(this, GOW_BASE_MUSIC_DROPDOWN);
00354         break;
00355     }
00356   }
00357 
00363   template <class T>
00364   void SetMediaSet(int index)
00365   {
00366     if (_game_mode == GM_MENU) {
00367       const char *name = T::GetSet(index)->name;
00368 
00369       free(const_cast<char *>(T::ini_set));
00370       T::ini_set = strdup(name);
00371 
00372       T::SetSet(name);
00373       this->reload = true;
00374       this->InvalidateData();
00375     }
00376   }
00377 
00378   virtual void OnDropdownSelect(int widget, int index)
00379   {
00380     switch (widget) {
00381       case GOW_CURRENCY_DROPDOWN: // Currency
00382         if (index == CUSTOM_CURRENCY_ID) ShowCustCurrency();
00383         this->opt->locale.currency = index;
00384         ReInitAllWindows();
00385         break;
00386 
00387       case GOW_DISTANCE_DROPDOWN: // Measuring units
00388         this->opt->locale.units = index;
00389         MarkWholeScreenDirty();
00390         break;
00391 
00392       case GOW_ROADSIDE_DROPDOWN: // Road side
00393         if (this->opt->vehicle.road_side != index) { // only change if setting changed
00394           uint i;
00395           if (GetSettingFromName("vehicle.road_side", &i) == NULL) NOT_REACHED();
00396           SetSettingValue(i, index);
00397           MarkWholeScreenDirty();
00398         }
00399         break;
00400 
00401       case GOW_TOWNNAME_DROPDOWN: // Town names
00402         if (_game_mode == GM_MENU || Town::GetNumItems() == 0) {
00403           this->opt->game_creation.town_name = index;
00404           SetWindowDirty(WC_GAME_OPTIONS, 0);
00405         }
00406         break;
00407 
00408       case GOW_AUTOSAVE_DROPDOWN: // Autosave options
00409         _settings_client.gui.autosave = index;
00410         this->SetDirty();
00411         break;
00412 
00413       case GOW_LANG_DROPDOWN: // Change interface language
00414         ReadLanguagePack(index);
00415         CheckForMissingGlyphsInLoadedLanguagePack();
00416         UpdateAllVirtCoords();
00417         ReInitAllWindows();
00418         break;
00419 
00420       case GOW_RESOLUTION_DROPDOWN: // Change resolution
00421         if (index < _num_resolutions && ChangeResInGame(_resolutions[index].width, _resolutions[index].height)) {
00422           this->SetDirty();
00423         }
00424         break;
00425 
00426       case GOW_SCREENSHOT_DROPDOWN: // Change screenshot format
00427         SetScreenshotFormat(index);
00428         this->SetDirty();
00429         break;
00430 
00431       case GOW_BASE_GRF_DROPDOWN:
00432         this->SetMediaSet<BaseGraphics>(index);
00433         break;
00434 
00435       case GOW_BASE_SFX_DROPDOWN:
00436         this->SetMediaSet<BaseSounds>(index);
00437         break;
00438 
00439       case GOW_BASE_MUSIC_DROPDOWN:
00440         this->SetMediaSet<BaseMusic>(index);
00441         break;
00442     }
00443   }
00444 
00445   virtual void OnInvalidateData(int data)
00446   {
00447     this->SetWidgetLoweredState(GOW_FULLSCREEN_BUTTON, _fullscreen);
00448 
00449     bool missing_files = BaseGraphics::GetUsedSet()->GetNumMissing() == 0;
00450     this->GetWidget<NWidgetCore>(GOW_BASE_GRF_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_GRF_STATUS, STR_NULL);
00451 
00452     missing_files = BaseMusic::GetUsedSet()->GetNumInvalid() == 0;
00453     this->GetWidget<NWidgetCore>(GOW_BASE_MUSIC_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_MUSIC_STATUS, STR_NULL);
00454   }
00455 };
00456 
00457 static const NWidgetPart _nested_game_options_widgets[] = {
00458   NWidget(NWID_HORIZONTAL),
00459     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
00460     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00461   EndContainer(),
00462   NWidget(WWT_PANEL, COLOUR_GREY, GOW_BACKGROUND), SetPIP(6, 6, 10),
00463     NWidget(NWID_HORIZONTAL), SetPIP(10, 10, 10),
00464       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
00465         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CURRENCY_UNITS_FRAME, STR_NULL),
00466           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),
00467         EndContainer(),
00468         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_ROAD_VEHICLES_FRAME, STR_NULL),
00469           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),
00470         EndContainer(),
00471         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_AUTOSAVE_FRAME, STR_NULL),
00472           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_AUTOSAVE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_TOOLTIP), SetFill(1, 0),
00473         EndContainer(),
00474         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_RESOLUTION, STR_NULL),
00475           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),
00476           NWidget(NWID_HORIZONTAL),
00477             NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_FULLSCREEN, STR_NULL),
00478             NWidget(WWT_TEXTBTN, COLOUR_GREY, GOW_FULLSCREEN_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_FULLSCREEN_TOOLTIP),
00479           EndContainer(),
00480         EndContainer(),
00481       EndContainer(),
00482 
00483       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
00484         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_MEASURING_UNITS_FRAME, STR_NULL),
00485           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),
00486         EndContainer(),
00487         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_TOWN_NAMES_FRAME, STR_NULL),
00488           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),
00489         EndContainer(),
00490         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_LANGUAGE, STR_NULL),
00491           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_LANG_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_LANGUAGE_TOOLTIP), SetFill(1, 0),
00492         EndContainer(),
00493         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_SCREENSHOT_FORMAT, STR_NULL),
00494           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_SCREENSHOT_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_SCREENSHOT_FORMAT_TOOLTIP), SetFill(1, 0),
00495         EndContainer(),
00496         NWidget(NWID_SPACER), SetMinimalSize(0, 0), SetFill(0, 1),
00497       EndContainer(),
00498     EndContainer(),
00499 
00500     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_GRF, STR_NULL), SetPadding(0, 10, 0, 10),
00501       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00502         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_GRF_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_GRF_TOOLTIP),
00503         NWidget(WWT_TEXT, COLOUR_GREY, GOW_BASE_GRF_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
00504       EndContainer(),
00505       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),
00506     EndContainer(),
00507 
00508     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_SFX, STR_NULL), SetPadding(0, 10, 0, 10),
00509       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00510         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_SFX_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_SFX_TOOLTIP),
00511         NWidget(NWID_SPACER), SetFill(1, 0),
00512       EndContainer(),
00513       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),
00514     EndContainer(),
00515 
00516     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_MUSIC, STR_NULL), SetPadding(0, 10, 0, 10),
00517       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00518         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_MUSIC_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_MUSIC_TOOLTIP),
00519         NWidget(WWT_TEXT, COLOUR_GREY, GOW_BASE_MUSIC_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
00520       EndContainer(),
00521       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),
00522     EndContainer(),
00523   EndContainer(),
00524 };
00525 
00526 static const WindowDesc _game_options_desc(
00527   WDP_CENTER, 0, 0,
00528   WC_GAME_OPTIONS, WC_NONE,
00529   WDF_UNCLICK_BUTTONS,
00530   _nested_game_options_widgets, lengthof(_nested_game_options_widgets)
00531 );
00532 
00533 
00534 void ShowGameOptions()
00535 {
00536   DeleteWindowById(WC_GAME_OPTIONS, 0);
00537   new GameOptionsWindow(&_game_options_desc);
00538 }
00539 
00540 extern void StartupEconomy();
00541 
00542 
00543 /* Names of the game difficulty settings window */
00544 enum GameDifficultyWidgets {
00545   GDW_LVL_EASY,
00546   GDW_LVL_MEDIUM,
00547   GDW_LVL_HARD,
00548   GDW_LVL_CUSTOM,
00549   GDW_HIGHSCORE,
00550   GDW_ACCEPT,
00551   GDW_CANCEL,
00552 
00553   GDW_OPTIONS_START,
00554 };
00555 
00556 void SetDifficultyLevel(int mode, DifficultySettings *gm_opt);
00557 
00558 class GameDifficultyWindow : public Window {
00559 private:
00560   /* Temporary holding place of values in the difficulty window until 'Save' is clicked */
00561   GameSettings opt_mod_temp;
00562 
00563 public:
00565   static const uint GAME_DIFFICULTY_NUM = 18;
00567   static const uint WIDGETS_PER_DIFFICULTY = 3;
00568 
00569   GameDifficultyWindow(const WindowDesc *desc) : Window()
00570   {
00571     this->InitNested(desc);
00572 
00573     /* Copy current settings (ingame or in intro) to temporary holding place
00574      * change that when setting stuff, copy back on clicking 'OK' */
00575     this->opt_mod_temp = (_game_mode == GM_MENU) ? _settings_newgame : _settings_game;
00576     /* Setup disabled buttons when creating window
00577      * disable all other difficulty buttons during gameplay except for 'custom' */
00578     this->SetWidgetsDisabledState(_game_mode != GM_MENU,
00579       GDW_LVL_EASY,
00580       GDW_LVL_MEDIUM,
00581       GDW_LVL_HARD,
00582       GDW_LVL_CUSTOM,
00583       WIDGET_LIST_END);
00584     this->SetWidgetDisabledState(GDW_HIGHSCORE, _game_mode == GM_EDITOR || _networking); // highscore chart in multiplayer
00585     this->SetWidgetDisabledState(GDW_ACCEPT, _networking && !_network_server); // Save-button in multiplayer (and if client)
00586     this->LowerWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00587     this->OnInvalidateData();
00588   }
00589 
00590   virtual void SetStringParameters(int widget) const
00591   {
00592     widget -= GDW_OPTIONS_START;
00593     if (widget < 0 || (widget % 3) != 2) return;
00594 
00595     widget /= 3;
00596 
00597     uint i;
00598     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + widget;
00599     int32 value = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00600     SetDParam(0, sd->desc.str + value);
00601   }
00602 
00603   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00604   {
00605     /* Only for the 'descriptions' */
00606     int index = widget - GDW_OPTIONS_START;
00607     if (index < 0 || (index % 3) != 2) return;
00608 
00609     index /= 3;
00610 
00611     uint i;
00612     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + index;
00613     const SettingDescBase *sdb = &sd->desc;
00614 
00615     /* Get the string and try all strings from the smallest to the highest value */
00616     StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
00617     for (int32 value = sdb->min; (uint32)value <= sdb->max; value += sdb->interval) {
00618       SetDParam(0, sdb->str + value);
00619       *size = maxdim(*size, GetStringBoundingBox(str));
00620     }
00621   }
00622 
00623   virtual void OnPaint()
00624   {
00625     this->DrawWidgets();
00626   }
00627 
00628   virtual void OnClick(Point pt, int widget, int click_count)
00629   {
00630     if (widget >= GDW_OPTIONS_START) {
00631       widget -= GDW_OPTIONS_START;
00632       if ((widget % 3) == 2) return;
00633 
00634       /* Don't allow clients to make any changes */
00635       if (_networking && !_network_server) return;
00636 
00637       uint i;
00638       const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + (widget / 3);
00639       const SettingDescBase *sdb = &sd->desc;
00640 
00641       int32 val = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00642       if (widget % 3 == 1) {
00643         /* Increase button clicked */
00644         val = min(val + sdb->interval, (int32)sdb->max);
00645       } else {
00646         /* Decrease button clicked */
00647         val -= sdb->interval;
00648         val = max(val, sdb->min);
00649       }
00650 
00651       /* save value in temporary variable */
00652       WriteValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv, val);
00653       this->RaiseWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00654       SetDifficultyLevel(3, &this->opt_mod_temp.difficulty); // set difficulty level to custom
00655       this->LowerWidget(GDW_LVL_CUSTOM);
00656       this->InvalidateData();
00657 
00658       if (widget / 3 == 0 &&
00659 #ifdef ENABLE_AI
00660           AI::GetInfoList()->size() == 0 &&
00661 #endif /* ENABLE_AI */
00662           this->opt_mod_temp.difficulty.max_no_competitors != 0) {
00663         ShowErrorMessage(STR_WARNING_NO_SUITABLE_AI, INVALID_STRING_ID, 0, 0, true);
00664       }
00665       return;
00666     }
00667 
00668     switch (widget) {
00669       case GDW_LVL_EASY:
00670       case GDW_LVL_MEDIUM:
00671       case GDW_LVL_HARD:
00672       case GDW_LVL_CUSTOM:
00673         /* temporarily change difficulty level */
00674         this->RaiseWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00675         SetDifficultyLevel(widget - GDW_LVL_EASY, &this->opt_mod_temp.difficulty);
00676         this->LowerWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00677         this->InvalidateData();
00678         break;
00679 
00680       case GDW_HIGHSCORE: // Highscore Table
00681         ShowHighscoreTable(this->opt_mod_temp.difficulty.diff_level, -1);
00682         break;
00683 
00684       case GDW_ACCEPT: { // Save button - save changes
00685         GameSettings *opt_ptr = (_game_mode == GM_MENU) ? &_settings_newgame : &_settings_game;
00686 
00687         uint i;
00688         GetSettingFromName("difficulty.diff_level", &i);
00689         DoCommandP(0, i, this->opt_mod_temp.difficulty.diff_level, CMD_CHANGE_SETTING);
00690 
00691         const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
00692         for (uint btn = 0; btn != GAME_DIFFICULTY_NUM; btn++, sd++) {
00693           int32 new_val = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00694           int32 cur_val = (int32)ReadValue(GetVariableAddress(opt_ptr, &sd->save), sd->save.conv);
00695           /* if setting has changed, change it */
00696           if (new_val != cur_val) {
00697             DoCommandP(0, i + btn, new_val, CMD_CHANGE_SETTING);
00698           }
00699         }
00700         delete this;
00701         /* If we are in the editor, we should reload the economy.
00702          * This way when you load a game, the max loan and interest rate
00703          * are loaded correctly. */
00704         if (_game_mode == GM_EDITOR) StartupEconomy();
00705         break;
00706       }
00707 
00708       case GDW_CANCEL: // Cancel button - close window, abandon changes
00709         delete this;
00710         break;
00711     }
00712   }
00713 
00714   virtual void OnInvalidateData(int data = 0)
00715   {
00716     uint i;
00717     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
00718     for (i = 0; i < GAME_DIFFICULTY_NUM; i++, sd++) {
00719       const SettingDescBase *sdb = &sd->desc;
00720       /* skip deprecated difficulty options */
00721       if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
00722       int32 value = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00723       bool disable = (sd->desc.flags & SGF_NEWGAME_ONLY) &&
00724           (_game_mode == GM_NORMAL ||
00725           (_game_mode == GM_EDITOR && (sd->desc.flags & SGF_SCENEDIT_TOO) == 0));
00726 
00727       this->SetWidgetDisabledState(GDW_OPTIONS_START + i * 3 + 0, disable || sdb->min == value);
00728       this->SetWidgetDisabledState(GDW_OPTIONS_START + i * 3 + 1, disable || sdb->max == (uint32)value);
00729     }
00730   }
00731 };
00732 
00733 static NWidgetBase *MakeDifficultyOptionsWidgets(int *biggest_index)
00734 {
00735   NWidgetVertical *vert_desc = new NWidgetVertical;
00736 
00737   int widnum = GDW_OPTIONS_START;
00738   uint i, j;
00739   const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
00740 
00741   for (i = 0, j = 0; i < GameDifficultyWindow::GAME_DIFFICULTY_NUM; i++, sd++, widnum += GameDifficultyWindow::WIDGETS_PER_DIFFICULTY) {
00742     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
00743 
00744     NWidgetHorizontal *hor = new NWidgetHorizontal;
00745 
00746     /* [<] button. */
00747     NWidgetLeaf *leaf = new NWidgetLeaf(NWID_BUTTON_ARROW, COLOUR_YELLOW, widnum, AWV_DECREASE, STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST);
00748     hor->Add(leaf);
00749 
00750     /* [>] button. */
00751     leaf = new NWidgetLeaf(NWID_BUTTON_ARROW, COLOUR_YELLOW, widnum + 1, AWV_INCREASE, STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST);
00752     hor->Add(leaf);
00753 
00754     /* Some spacing between the text and the description */
00755     NWidgetSpacer *spacer = new NWidgetSpacer(5, 0);
00756     hor->Add(spacer);
00757 
00758     /* Descriptive text. */
00759     leaf = new NWidgetLeaf(WWT_TEXT, COLOUR_YELLOW, widnum + 2, STR_DIFFICULTY_LEVEL_SETTING_MAXIMUM_NO_COMPETITORS + (j++), STR_NULL);
00760     leaf->SetFill(1, 0);
00761     hor->Add(leaf);
00762     vert_desc->Add(hor);
00763 
00764     /* Space vertically */
00765     vert_desc->Add(new NWidgetSpacer(0, 2));
00766   }
00767   *biggest_index = widnum - 1;
00768   return vert_desc;
00769 }
00770 
00771 
00773 static const NWidgetPart _nested_game_difficulty_widgets[] = {
00774   NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_DIFFICULTY_LEVEL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00775   NWidget(WWT_PANEL, COLOUR_MAUVE),
00776     NWidget(NWID_VERTICAL), SetPIP(2, 0, 2),
00777       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
00778         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_EASY), SetDataTip(STR_DIFFICULTY_LEVEL_EASY, STR_NULL), SetFill(1, 0),
00779         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_MEDIUM), SetDataTip(STR_DIFFICULTY_LEVEL_MEDIUM, STR_NULL), SetFill(1, 0),
00780         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_HARD), SetDataTip(STR_DIFFICULTY_LEVEL_HARD, STR_NULL), SetFill(1, 0),
00781         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_CUSTOM), SetDataTip(STR_DIFFICULTY_LEVEL_CUSTOM, STR_NULL), SetFill(1, 0),
00782       EndContainer(),
00783       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 10),
00784         NWidget(WWT_PUSHTXTBTN, COLOUR_GREEN, GDW_HIGHSCORE), SetDataTip(STR_DIFFICULTY_LEVEL_HIGH_SCORE_BUTTON, STR_NULL), SetFill(1, 0),
00785       EndContainer(),
00786     EndContainer(),
00787   EndContainer(),
00788   NWidget(WWT_PANEL, COLOUR_MAUVE),
00789     NWidget(NWID_VERTICAL), SetPIP(3, 0, 1),
00790       NWidget(NWID_HORIZONTAL), SetPIP(5, 0, 5),
00791         NWidgetFunction(MakeDifficultyOptionsWidgets),
00792       EndContainer(),
00793     EndContainer(),
00794   EndContainer(),
00795   NWidget(WWT_PANEL, COLOUR_MAUVE),
00796     NWidget(NWID_VERTICAL), SetPIP(2, 0, 2),
00797       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
00798         NWidget(NWID_SPACER), SetFill(1, 0),
00799         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, GDW_ACCEPT), SetDataTip(STR_DIFFICULTY_LEVEL_SAVE, STR_NULL), SetFill(1, 0),
00800         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, GDW_CANCEL), SetDataTip(STR_BUTTON_CANCEL, STR_NULL), SetFill(1, 0),
00801         NWidget(NWID_SPACER), SetFill(1, 0),
00802       EndContainer(),
00803     EndContainer(),
00804   EndContainer(),
00805 };
00806 
00808 static const WindowDesc _game_difficulty_desc(
00809   WDP_CENTER, 0, 0,
00810   WC_GAME_OPTIONS, WC_NONE,
00811   WDF_UNCLICK_BUTTONS,
00812   _nested_game_difficulty_widgets, lengthof(_nested_game_difficulty_widgets)
00813 );
00814 
00815 void ShowGameDifficulty()
00816 {
00817   DeleteWindowById(WC_GAME_OPTIONS, 0);
00818   new GameDifficultyWindow(&_game_difficulty_desc);
00819 }
00820 
00821 static int SETTING_HEIGHT = 11;    
00822 static const int LEVEL_WIDTH = 15; 
00823 
00828 enum SettingEntryFlags {
00829   SEF_LEFT_DEPRESSED  = 0x01, 
00830   SEF_RIGHT_DEPRESSED = 0x02, 
00831   SEF_BUTTONS_MASK = (SEF_LEFT_DEPRESSED | SEF_RIGHT_DEPRESSED), 
00832 
00833   SEF_LAST_FIELD = 0x04, 
00834 
00835   /* Entry kind */
00836   SEF_SETTING_KIND = 0x10, 
00837   SEF_SUBTREE_KIND = 0x20, 
00838   SEF_KIND_MASK    = (SEF_SETTING_KIND | SEF_SUBTREE_KIND), 
00839 };
00840 
00841 struct SettingsPage; // Forward declaration
00842 
00844 struct SettingEntrySubtree {
00845   SettingsPage *page; 
00846   bool folded;        
00847   StringID title;     
00848 };
00849 
00851 struct SettingEntrySetting {
00852   const char *name;           
00853   const SettingDesc *setting; 
00854   uint index;                 
00855 };
00856 
00858 struct SettingEntry {
00859   byte flags; 
00860   byte level; 
00861   union {
00862     SettingEntrySetting entry; 
00863     SettingEntrySubtree sub;   
00864   } d; 
00865 
00866   SettingEntry(const char *nm);
00867   SettingEntry(SettingsPage *sub, StringID title);
00868 
00869   void Init(byte level, bool last_field);
00870   void FoldAll();
00871   void SetButtons(byte new_val);
00872 
00873   uint Length() const;
00874   SettingEntry *FindEntry(uint row, uint *cur_row);
00875 
00876   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);
00877 
00878 private:
00879   void DrawSetting(GameSettings *settings_ptr, const SettingDesc *sd, int x, int y, int max_x, int state);
00880 };
00881 
00883 struct SettingsPage {
00884   SettingEntry *entries; 
00885   byte num;              
00886 
00887   void Init(byte level = 0);
00888   void FoldAll();
00889 
00890   uint Length() const;
00891   SettingEntry *FindEntry(uint row, uint *cur_row) const;
00892 
00893   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;
00894 };
00895 
00896 
00897 /* == SettingEntry methods == */
00898 
00903 SettingEntry::SettingEntry(const char *nm)
00904 {
00905   this->flags = SEF_SETTING_KIND;
00906   this->level = 0;
00907   this->d.entry.name = nm;
00908   this->d.entry.setting = NULL;
00909   this->d.entry.index = 0;
00910 }
00911 
00917 SettingEntry::SettingEntry(SettingsPage *sub, StringID title)
00918 {
00919   this->flags = SEF_SUBTREE_KIND;
00920   this->level = 0;
00921   this->d.sub.page = sub;
00922   this->d.sub.folded = true;
00923   this->d.sub.title = title;
00924 }
00925 
00931 void SettingEntry::Init(byte level, bool last_field)
00932 {
00933   this->level = level;
00934   if (last_field) this->flags |= SEF_LAST_FIELD;
00935 
00936   switch (this->flags & SEF_KIND_MASK) {
00937     case SEF_SETTING_KIND:
00938       this->d.entry.setting = GetSettingFromName(this->d.entry.name, &this->d.entry.index);
00939       assert(this->d.entry.setting != NULL);
00940       break;
00941     case SEF_SUBTREE_KIND:
00942       this->d.sub.page->Init(level + 1);
00943       break;
00944     default: NOT_REACHED();
00945   }
00946 }
00947 
00949 void SettingEntry::FoldAll()
00950 {
00951   switch (this->flags & SEF_KIND_MASK) {
00952     case SEF_SETTING_KIND:
00953       break;
00954 
00955     case SEF_SUBTREE_KIND:
00956       this->d.sub.folded = true;
00957       this->d.sub.page->FoldAll();
00958       break;
00959 
00960     default: NOT_REACHED();
00961   }
00962 }
00963 
00964 
00970 void SettingEntry::SetButtons(byte new_val)
00971 {
00972   assert((new_val & ~SEF_BUTTONS_MASK) == 0); // Should not touch any flags outside the buttons
00973   this->flags = (this->flags & ~SEF_BUTTONS_MASK) | new_val;
00974 }
00975 
00977 uint SettingEntry::Length() const
00978 {
00979   switch (this->flags & SEF_KIND_MASK) {
00980     case SEF_SETTING_KIND:
00981       return 1;
00982     case SEF_SUBTREE_KIND:
00983       if (this->d.sub.folded) return 1; // Only displaying the title
00984 
00985       return 1 + this->d.sub.page->Length(); // 1 extra row for the title
00986     default: NOT_REACHED();
00987   }
00988 }
00989 
00996 SettingEntry *SettingEntry::FindEntry(uint row_num, uint *cur_row)
00997 {
00998   if (row_num == *cur_row) return this;
00999 
01000   switch (this->flags & SEF_KIND_MASK) {
01001     case SEF_SETTING_KIND:
01002       (*cur_row)++;
01003       break;
01004     case SEF_SUBTREE_KIND:
01005       (*cur_row)++; // add one for row containing the title
01006       if (this->d.sub.folded) {
01007         break;
01008       }
01009 
01010       /* sub-page is visible => search it too */
01011       return this->d.sub.page->FindEntry(row_num, cur_row);
01012     default: NOT_REACHED();
01013   }
01014   return NULL;
01015 }
01016 
01043 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)
01044 {
01045   if (cur_row >= max_row) return cur_row;
01046 
01047   bool rtl = _dynlang.text_dir == TD_RTL;
01048   int offset = rtl ? -4 : 4;
01049   int level_width = rtl ? -LEVEL_WIDTH : LEVEL_WIDTH;
01050 
01051   int x = rtl ? right : left;
01052   int y = base_y;
01053   if (cur_row >= first_row) {
01054     int colour = _colour_gradient[COLOUR_ORANGE][4];
01055     y = base_y + (cur_row - first_row) * SETTING_HEIGHT; // Compute correct y start position
01056 
01057     /* Draw vertical for parent nesting levels */
01058     for (uint lvl = 0; lvl < this->level; lvl++) {
01059       if (!HasBit(parent_last, lvl)) GfxDrawLine(x + offset, y, x + offset, y + SETTING_HEIGHT - 1, colour);
01060       x += level_width;
01061     }
01062     /* draw own |- prefix */
01063     int halfway_y = y + SETTING_HEIGHT / 2;
01064     int bottom_y = (flags & SEF_LAST_FIELD) ? halfway_y : y + SETTING_HEIGHT - 1;
01065     GfxDrawLine(x + offset, y, x + offset, bottom_y, colour);
01066     /* Small horizontal line from the last vertical line */
01067     GfxDrawLine(x + offset, halfway_y, x + level_width - offset, halfway_y, colour);
01068     x += level_width;
01069   }
01070 
01071   switch (this->flags & SEF_KIND_MASK) {
01072     case SEF_SETTING_KIND:
01073       if (cur_row >= first_row) {
01074         DrawSetting(settings_ptr, this->d.entry.setting, rtl ? left : x, rtl ? x : right, y, this->flags & SEF_BUTTONS_MASK);
01075       }
01076       cur_row++;
01077       break;
01078     case SEF_SUBTREE_KIND:
01079       if (cur_row >= first_row) {
01080         DrawSprite((this->d.sub.folded ? SPR_CIRCLE_FOLDED : SPR_CIRCLE_UNFOLDED), PAL_NONE, rtl ? x - 8 : x, y + (SETTING_HEIGHT - 11) / 2);
01081         DrawString(rtl ? left : x + 12, rtl ? x - 12 : right, y, this->d.sub.title);
01082       }
01083       cur_row++;
01084       if (!this->d.sub.folded) {
01085         if (this->flags & SEF_LAST_FIELD) {
01086           assert(this->level < sizeof(parent_last));
01087           SetBit(parent_last, this->level); // Add own last-field state
01088         }
01089 
01090         cur_row = this->d.sub.page->Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last);
01091       }
01092       break;
01093     default: NOT_REACHED();
01094   }
01095   return cur_row;
01096 }
01097 
01098 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd)
01099 {
01100   if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
01101     if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
01102       return GetVariableAddress(&Company::Get(_local_company)->settings, &sd->save);
01103     } else {
01104       return GetVariableAddress(&_settings_client.company, &sd->save);
01105     }
01106   } else {
01107     return GetVariableAddress(settings_ptr, &sd->save);
01108   }
01109 }
01110 
01120 void SettingEntry::DrawSetting(GameSettings *settings_ptr, const SettingDesc *sd, int left, int right, int y, int state)
01121 {
01122   const SettingDescBase *sdb = &sd->desc;
01123   const void *var = ResolveVariableAddress(settings_ptr, sd);
01124   bool editable = true;
01125   bool disabled = false;
01126 
01127   bool rtl = _dynlang.text_dir == TD_RTL;
01128   uint buttons_left = rtl ? right - 19 : left;
01129   uint text_left  = left + (rtl ? 0 : 25);
01130   uint text_right = right - (rtl ? 25 : 0);
01131   uint button_y = y + (SETTING_HEIGHT - 11) / 2;
01132 
01133   /* We do not allow changes of some items when we are a client in a networkgame */
01134   if (!(sd->save.conv & SLF_NETWORK_NO) && _networking && !_network_server && !(sdb->flags & SGF_PER_COMPANY)) editable = false;
01135   if ((sdb->flags & SGF_NETWORK_ONLY) && !_networking) editable = false;
01136   if ((sdb->flags & SGF_NO_NETWORK) && _networking) editable = false;
01137 
01138   if (sdb->cmd == SDT_BOOLX) {
01139     static const Colours _bool_ctabs[2][2] = {{COLOUR_CREAM, COLOUR_RED}, {COLOUR_DARK_GREEN, COLOUR_GREEN}};
01140     /* Draw checkbox for boolean-value either on/off */
01141     bool on = (*(bool*)var);
01142 
01143     DrawFrameRect(buttons_left, button_y, buttons_left + 19, button_y + 8, _bool_ctabs[!!on][!!editable], on ? FR_LOWERED : FR_NONE);
01144     SetDParam(0, on ? STR_CONFIG_SETTING_ON : STR_CONFIG_SETTING_OFF);
01145   } else {
01146     int32 value;
01147 
01148     value = (int32)ReadValue(var, sd->save.conv);
01149 
01150     /* Draw [<][>] boxes for settings of an integer-type */
01151     DrawArrowButtons(buttons_left, button_y, COLOUR_YELLOW, state, editable && value != (sdb->flags & SGF_0ISDISABLED ? 0 : sdb->min), editable && (uint32)value != sdb->max);
01152 
01153     disabled = (value == 0) && (sdb->flags & SGF_0ISDISABLED);
01154     if (disabled) {
01155       SetDParam(0, STR_CONFIG_SETTING_DISABLED);
01156     } else {
01157       if (sdb->flags & SGF_CURRENCY) {
01158         SetDParam(0, STR_JUST_CURRENCY);
01159       } else if (sdb->flags & SGF_MULTISTRING) {
01160         SetDParam(0, sdb->str - sdb->min + value + 1);
01161       } else {
01162         SetDParam(0, (sdb->flags & SGF_NOCOMMA) ? STR_JUST_INT : STR_JUST_COMMA);
01163       }
01164       SetDParam(1, value);
01165     }
01166   }
01167   DrawString(text_left, text_right, y, (sdb->str) + disabled);
01168 }
01169 
01170 
01171 /* == SettingsPage methods == */
01172 
01177 void SettingsPage::Init(byte level)
01178 {
01179   for (uint field = 0; field < this->num; field++) {
01180     this->entries[field].Init(level, field + 1 == num);
01181   }
01182 }
01183 
01185 void SettingsPage::FoldAll()
01186 {
01187   for (uint field = 0; field < this->num; field++) {
01188     this->entries[field].FoldAll();
01189   }
01190 }
01191 
01193 uint SettingsPage::Length() const
01194 {
01195   uint length = 0;
01196   for (uint field = 0; field < this->num; field++) {
01197     length += this->entries[field].Length();
01198   }
01199   return length;
01200 }
01201 
01208 SettingEntry *SettingsPage::FindEntry(uint row_num, uint *cur_row) const
01209 {
01210   SettingEntry *pe = NULL;
01211 
01212   for (uint field = 0; field < this->num; field++) {
01213     pe = this->entries[field].FindEntry(row_num, cur_row);
01214     if (pe != NULL) {
01215       break;
01216     }
01217   }
01218   return pe;
01219 }
01220 
01238 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
01239 {
01240   if (cur_row >= max_row) return cur_row;
01241 
01242   for (uint i = 0; i < this->num; i++) {
01243     cur_row = this->entries[i].Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last);
01244     if (cur_row >= max_row) {
01245       break;
01246     }
01247   }
01248   return cur_row;
01249 }
01250 
01251 
01252 static SettingEntry _settings_ui_display[] = {
01253   SettingEntry("gui.vehicle_speed"),
01254   SettingEntry("gui.status_long_date"),
01255   SettingEntry("gui.date_format_in_default_names"),
01256   SettingEntry("gui.population_in_label"),
01257   SettingEntry("gui.measure_tooltip"),
01258   SettingEntry("gui.loading_indicators"),
01259   SettingEntry("gui.liveries"),
01260   SettingEntry("gui.show_track_reservation"),
01261   SettingEntry("gui.expenses_layout"),
01262   SettingEntry("gui.smallmap_land_colour"),
01263 };
01265 static SettingsPage _settings_ui_display_page = {_settings_ui_display, lengthof(_settings_ui_display)};
01266 
01267 static SettingEntry _settings_ui_interaction[] = {
01268   SettingEntry("gui.window_snap_radius"),
01269   SettingEntry("gui.window_soft_limit"),
01270   SettingEntry("gui.link_terraform_toolbar"),
01271   SettingEntry("gui.prefer_teamchat"),
01272   SettingEntry("gui.autoscroll"),
01273   SettingEntry("gui.reverse_scroll"),
01274   SettingEntry("gui.smooth_scroll"),
01275   SettingEntry("gui.left_mouse_btn_scrolling"),
01276   /* While the horizontal scrollwheel scrolling is written as general code, only
01277    *  the cocoa (OSX) driver generates input for it.
01278    *  Since it's also able to completely disable the scrollwheel will we display it on all platforms anyway */
01279   SettingEntry("gui.scrollwheel_scrolling"),
01280   SettingEntry("gui.scrollwheel_multiplier"),
01281 #ifdef __APPLE__
01282   /* We might need to emulate a right mouse button on mac */
01283   SettingEntry("gui.right_mouse_btn_emulation"),
01284 #endif
01285 };
01287 static SettingsPage _settings_ui_interaction_page = {_settings_ui_interaction, lengthof(_settings_ui_interaction)};
01288 
01289 static SettingEntry _settings_ui[] = {
01290   SettingEntry(&_settings_ui_display_page, STR_CONFIG_SETTING_DISPLAY_OPTIONS),
01291   SettingEntry(&_settings_ui_interaction_page, STR_CONFIG_SETTING_INTERACTION),
01292   SettingEntry("gui.show_finances"),
01293   SettingEntry("gui.errmsg_duration"),
01294   SettingEntry("gui.toolbar_pos"),
01295   SettingEntry("gui.pause_on_newgame"),
01296   SettingEntry("gui.advanced_vehicle_list"),
01297   SettingEntry("gui.timetable_in_ticks"),
01298   SettingEntry("gui.timetable_arrival_departure"),
01299   SettingEntry("gui.quick_goto"),
01300   SettingEntry("gui.default_rail_type"),
01301   SettingEntry("gui.always_build_infrastructure"),
01302   SettingEntry("gui.persistent_buildingtools"),
01303   SettingEntry("gui.coloured_news_year"),
01304 };
01306 static SettingsPage _settings_ui_page = {_settings_ui, lengthof(_settings_ui)};
01307 
01308 static SettingEntry _settings_construction_signals[] = {
01309   SettingEntry("construction.signal_side"),
01310   SettingEntry("gui.enable_signal_gui"),
01311   SettingEntry("gui.drag_signals_density"),
01312   SettingEntry("gui.semaphore_build_before"),
01313   SettingEntry("gui.default_signal_type"),
01314   SettingEntry("gui.cycle_signal_types"),
01315 };
01317 static SettingsPage _settings_construction_signals_page = {_settings_construction_signals, lengthof(_settings_construction_signals)};
01318 
01319 static SettingEntry _settings_construction[] = {
01320   SettingEntry(&_settings_construction_signals_page, STR_CONFIG_SETTING_CONSTRUCTION_SIGNALS),
01321   SettingEntry("construction.build_on_slopes"),
01322   SettingEntry("construction.autoslope"),
01323   SettingEntry("construction.extra_dynamite"),
01324   SettingEntry("construction.longbridges"),
01325   SettingEntry("station.never_expire_airports"),
01326   SettingEntry("construction.freeform_edges"),
01327   SettingEntry("construction.extra_tree_placement"),
01328 };
01330 static SettingsPage _settings_construction_page = {_settings_construction, lengthof(_settings_construction)};
01331 
01332 static SettingEntry _settings_stations_cargo[] = {
01333   SettingEntry("order.improved_load"),
01334   SettingEntry("order.gradual_loading"),
01335   SettingEntry("order.selectgoods"),
01336 };
01338 static SettingsPage _settings_stations_cargo_page = {_settings_stations_cargo, lengthof(_settings_stations_cargo)};
01339 
01340 static SettingEntry _settings_stations[] = {
01341   SettingEntry(&_settings_stations_cargo_page, STR_CONFIG_SETTING_STATIONS_CARGOHANDLING),
01342   SettingEntry("station.join_stations"),
01343   SettingEntry("station.nonuniform_stations"),
01344   SettingEntry("station.adjacent_stations"),
01345   SettingEntry("station.distant_join_stations"),
01346   SettingEntry("station.station_spread"),
01347   SettingEntry("economy.station_noise_level"),
01348   SettingEntry("station.modified_catchment"),
01349   SettingEntry("construction.road_stop_on_town_road"),
01350   SettingEntry("construction.road_stop_on_competitor_road"),
01351 };
01353 static SettingsPage _settings_stations_page = {_settings_stations, lengthof(_settings_stations)};
01354 
01355 static SettingEntry _settings_economy_towns[] = {
01356   SettingEntry("economy.bribe"),
01357   SettingEntry("economy.exclusive_rights"),
01358   SettingEntry("economy.town_layout"),
01359   SettingEntry("economy.allow_town_roads"),
01360   SettingEntry("economy.found_town"),
01361   SettingEntry("economy.mod_road_rebuild"),
01362   SettingEntry("economy.town_growth_rate"),
01363   SettingEntry("economy.larger_towns"),
01364   SettingEntry("economy.initial_city_size"),
01365 };
01367 static SettingsPage _settings_economy_towns_page = {_settings_economy_towns, lengthof(_settings_economy_towns)};
01368 
01369 static SettingEntry _settings_economy_industries[] = {
01370   SettingEntry("construction.raw_industry_construction"),
01371   SettingEntry("economy.multiple_industry_per_town"),
01372   SettingEntry("game_creation.oil_refinery_limit"),
01373 };
01375 static SettingsPage _settings_economy_industries_page = {_settings_economy_industries, lengthof(_settings_economy_industries)};
01376 
01377 static SettingEntry _settings_economy[] = {
01378   SettingEntry(&_settings_economy_towns_page, STR_CONFIG_SETTING_ECONOMY_TOWNS),
01379   SettingEntry(&_settings_economy_industries_page, STR_CONFIG_SETTING_ECONOMY_INDUSTRIES),
01380   SettingEntry("economy.inflation"),
01381   SettingEntry("economy.smooth_economy"),
01382   SettingEntry("economy.feeder_payment_share"),
01383 };
01385 static SettingsPage _settings_economy_page = {_settings_economy, lengthof(_settings_economy)};
01386 
01387 static SettingEntry _settings_ai_npc[] = {
01388   SettingEntry("ai.ai_in_multiplayer"),
01389   SettingEntry("ai.ai_disable_veh_train"),
01390   SettingEntry("ai.ai_disable_veh_roadveh"),
01391   SettingEntry("ai.ai_disable_veh_aircraft"),
01392   SettingEntry("ai.ai_disable_veh_ship"),
01393   SettingEntry("ai.ai_max_opcode_till_suspend"),
01394 };
01396 static SettingsPage _settings_ai_npc_page = {_settings_ai_npc, lengthof(_settings_ai_npc)};
01397 
01398 static SettingEntry _settings_ai[] = {
01399   SettingEntry(&_settings_ai_npc_page, STR_CONFIG_SETTING_AI_NPC),
01400   SettingEntry("economy.give_money"),
01401   SettingEntry("economy.allow_shares"),
01402 };
01404 static SettingsPage _settings_ai_page = {_settings_ai, lengthof(_settings_ai)};
01405 
01406 static SettingEntry _settings_vehicles_routing[] = {
01407   SettingEntry("pf.pathfinder_for_trains"),
01408   SettingEntry("pf.forbid_90_deg"),
01409   SettingEntry("pf.pathfinder_for_roadvehs"),
01410   SettingEntry("pf.roadveh_queue"),
01411   SettingEntry("pf.pathfinder_for_ships"),
01412 };
01414 static SettingsPage _settings_vehicles_routing_page = {_settings_vehicles_routing, lengthof(_settings_vehicles_routing)};
01415 
01416 static SettingEntry _settings_vehicles_autorenew[] = {
01417   SettingEntry("company.engine_renew"),
01418   SettingEntry("company.engine_renew_months"),
01419   SettingEntry("company.engine_renew_money"),
01420 };
01422 static SettingsPage _settings_vehicles_autorenew_page = {_settings_vehicles_autorenew, lengthof(_settings_vehicles_autorenew)};
01423 
01424 static SettingEntry _settings_vehicles_servicing[] = {
01425   SettingEntry("vehicle.servint_ispercent"),
01426   SettingEntry("vehicle.servint_trains"),
01427   SettingEntry("vehicle.servint_roadveh"),
01428   SettingEntry("vehicle.servint_ships"),
01429   SettingEntry("vehicle.servint_aircraft"),
01430   SettingEntry("order.no_servicing_if_no_breakdowns"),
01431   SettingEntry("order.serviceathelipad"),
01432 };
01434 static SettingsPage _settings_vehicles_servicing_page = {_settings_vehicles_servicing, lengthof(_settings_vehicles_servicing)};
01435 
01436 static SettingEntry _settings_vehicles_trains[] = {
01437   SettingEntry("vehicle.train_acceleration_model"),
01438   SettingEntry("vehicle.train_slope_steepness"),
01439   SettingEntry("vehicle.mammoth_trains"),
01440   SettingEntry("gui.lost_train_warn"),
01441   SettingEntry("vehicle.wagon_speed_limits"),
01442   SettingEntry("vehicle.disable_elrails"),
01443   SettingEntry("vehicle.freight_trains"),
01444   SettingEntry("gui.stop_location"),
01445 };
01447 static SettingsPage _settings_vehicles_trains_page = {_settings_vehicles_trains, lengthof(_settings_vehicles_trains)};
01448 
01449 static SettingEntry _settings_vehicles[] = {
01450   SettingEntry(&_settings_vehicles_routing_page, STR_CONFIG_SETTING_VEHICLES_ROUTING),
01451   SettingEntry(&_settings_vehicles_autorenew_page, STR_CONFIG_SETTING_VEHICLES_AUTORENEW),
01452   SettingEntry(&_settings_vehicles_servicing_page, STR_CONFIG_SETTING_VEHICLES_SERVICING),
01453   SettingEntry(&_settings_vehicles_trains_page, STR_CONFIG_SETTING_VEHICLES_TRAINS),
01454   SettingEntry("order.gotodepot"),
01455   SettingEntry("gui.new_nonstop"),
01456   SettingEntry("gui.order_review_system"),
01457   SettingEntry("gui.vehicle_income_warn"),
01458   SettingEntry("vehicle.never_expire_vehicles"),
01459   SettingEntry("vehicle.max_trains"),
01460   SettingEntry("vehicle.max_roadveh"),
01461   SettingEntry("vehicle.max_aircraft"),
01462   SettingEntry("vehicle.max_ships"),
01463   SettingEntry("vehicle.plane_speed"),
01464   SettingEntry("vehicle.plane_crashes"),
01465   SettingEntry("order.timetabling"),
01466   SettingEntry("vehicle.dynamic_engines"),
01467 };
01469 static SettingsPage _settings_vehicles_page = {_settings_vehicles, lengthof(_settings_vehicles)};
01470 
01471 static SettingEntry _settings_main[] = {
01472   SettingEntry(&_settings_ui_page,           STR_CONFIG_SETTING_GUI),
01473   SettingEntry(&_settings_construction_page, STR_CONFIG_SETTING_CONSTRUCTION),
01474   SettingEntry(&_settings_vehicles_page,     STR_CONFIG_SETTING_VEHICLES),
01475   SettingEntry(&_settings_stations_page,     STR_CONFIG_SETTING_STATIONS),
01476   SettingEntry(&_settings_economy_page,      STR_CONFIG_SETTING_ECONOMY),
01477   SettingEntry(&_settings_ai_page,           STR_CONFIG_SETTING_AI),
01478 };
01479 
01481 static SettingsPage _settings_main_page = {_settings_main, lengthof(_settings_main)};
01482 
01484 enum GameSettingsWidgets {
01485   SETTINGSEL_OPTIONSPANEL, 
01486   SETTINGSEL_SCROLLBAR,    
01487 };
01488 
01489 struct GameSettingsWindow : Window {
01490   static const int SETTINGTREE_LEFT_OFFSET   = 5; 
01491   static const int SETTINGTREE_RIGHT_OFFSET  = 5; 
01492   static const int SETTINGTREE_TOP_OFFSET    = 5; 
01493   static const int SETTINGTREE_BOTTOM_OFFSET = 5; 
01494 
01495   static GameSettings *settings_ptr;  
01496 
01497   SettingEntry *valuewindow_entry; 
01498   SettingEntry *clicked_entry; 
01499 
01500   GameSettingsWindow(const WindowDesc *desc) : Window()
01501   {
01502     static bool first_time = true;
01503 
01504     settings_ptr = (_game_mode == GM_MENU) ? &_settings_newgame : &_settings_game;
01505 
01506     /* Build up the dynamic settings-array only once per OpenTTD session */
01507     if (first_time) {
01508       _settings_main_page.Init();
01509       first_time = false;
01510     } else {
01511       _settings_main_page.FoldAll(); // Close all sub-pages
01512     }
01513 
01514     this->valuewindow_entry = NULL; // No setting entry for which a entry window is opened
01515     this->clicked_entry = NULL; // No numeric setting buttons are depressed
01516 
01517     this->InitNested(desc, 0);
01518 
01519     this->vscroll.SetCount(_settings_main_page.Length());
01520   }
01521 
01522   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01523   {
01524     if (widget != SETTINGSEL_OPTIONSPANEL) return;
01525 
01526     resize->height = SETTING_HEIGHT = max(11, FONT_HEIGHT_NORMAL + 1);
01527     resize->width  = 1;
01528 
01529     size->height = 5 * resize->height + SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET;
01530   }
01531 
01532   virtual void DrawWidget(const Rect &r, int widget) const
01533   {
01534     if (widget != SETTINGSEL_OPTIONSPANEL) return;
01535 
01536     _settings_main_page.Draw(settings_ptr, r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, r.top + SETTINGTREE_TOP_OFFSET,
01537         this->vscroll.GetPosition(), this->vscroll.GetPosition() + this->vscroll.GetCapacity());
01538   }
01539 
01540   virtual void OnPaint()
01541   {
01542     this->DrawWidgets();
01543   }
01544 
01545   virtual void OnClick(Point pt, int widget, int click_count)
01546   {
01547     if (widget != SETTINGSEL_OPTIONSPANEL) return;
01548 
01549     int y = pt.y - this->GetWidget<NWidgetBase>(widget)->pos_y - SETTINGTREE_TOP_OFFSET;  // Shift y coordinate
01550     if (y < 0) return;  // Clicked above first entry
01551 
01552     byte btn = this->vscroll.GetPosition() + y / this->resize.step_height;  // Compute which setting is selected
01553     if (y % this->resize.step_height > this->resize.step_height - 2) return;  // Clicked too low at the setting
01554 
01555     uint cur_row = 0;
01556     SettingEntry *pe = _settings_main_page.FindEntry(btn, &cur_row);
01557 
01558     if (pe == NULL) return;  // Clicked below the last setting of the page
01559 
01560     int x = (_dynlang.text_dir == TD_RTL ? this->width - pt.x : pt.x) - SETTINGTREE_LEFT_OFFSET - (pe->level + 1) * LEVEL_WIDTH;  // Shift x coordinate
01561     if (x < 0) return;  // Clicked left of the entry
01562 
01563     if ((pe->flags & SEF_KIND_MASK) == SEF_SUBTREE_KIND) {
01564       pe->d.sub.folded = !pe->d.sub.folded; // Flip 'folded'-ness of the sub-page
01565 
01566       this->vscroll.SetCount(_settings_main_page.Length());
01567       this->SetDirty();
01568       return;
01569     }
01570 
01571     assert((pe->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
01572     const SettingDesc *sd = pe->d.entry.setting;
01573 
01574     /* return if action is only active in network, or only settable by server */
01575     if (!(sd->save.conv & SLF_NETWORK_NO) && _networking && !_network_server && !(sd->desc.flags & SGF_PER_COMPANY)) return;
01576     if ((sd->desc.flags & SGF_NETWORK_ONLY) && !_networking) return;
01577     if ((sd->desc.flags & SGF_NO_NETWORK) && _networking) return;
01578 
01579     const void *var = ResolveVariableAddress(settings_ptr, sd);
01580     int32 value = (int32)ReadValue(var, sd->save.conv);
01581 
01582     /* clicked on the icon on the left side. Either scroller or bool on/off */
01583     if (x < 21) {
01584       const SettingDescBase *sdb = &sd->desc;
01585       int32 oldvalue = value;
01586 
01587       switch (sdb->cmd) {
01588         case SDT_BOOLX: value ^= 1; break;
01589         case SDT_ONEOFMANY:
01590         case SDT_NUMX: {
01591           /* Add a dynamic step-size to the scroller. In a maximum of
01592            * 50-steps you should be able to get from min to max,
01593            * unless specified otherwise in the 'interval' variable
01594            * of the current setting. */
01595           uint32 step = (sdb->interval == 0) ? ((sdb->max - sdb->min) / 50) : sdb->interval;
01596           if (step == 0) step = 1;
01597 
01598           /* don't allow too fast scrolling */
01599           if ((this->flags4 & WF_TIMEOUT_MASK) > WF_TIMEOUT_TRIGGER) {
01600             _left_button_clicked = false;
01601             return;
01602           }
01603 
01604           /* Increase or decrease the value and clamp it to extremes */
01605           if (x >= 10) {
01606             value += step;
01607             if (sdb->min < 0) {
01608               assert((int32)sdb->max >= 0);
01609               if (value > (int32)sdb->max) value = (int32)sdb->max;
01610             } else {
01611               if ((uint32)value > sdb->max) value = (int32)sdb->max;
01612             }
01613             if (value < sdb->min) value = sdb->min; // skip between "disabled" and minimum
01614           } else {
01615             value -= step;
01616             if (value < sdb->min) value = (sdb->flags & SGF_0ISDISABLED) ? 0 : sdb->min;
01617           }
01618 
01619           /* Set up scroller timeout for numeric values */
01620           if (value != oldvalue && !(sd->desc.flags & SGF_MULTISTRING)) {
01621             if (this->clicked_entry != NULL) { // Release previous buttons if any
01622               this->clicked_entry->SetButtons(0);
01623             }
01624             this->clicked_entry = pe;
01625             this->clicked_entry->SetButtons((x >= 10) != (_dynlang.text_dir == TD_RTL) ? SEF_RIGHT_DEPRESSED : SEF_LEFT_DEPRESSED);
01626             this->flags4 |= WF_TIMEOUT_BEGIN;
01627             _left_button_clicked = false;
01628           }
01629         } break;
01630 
01631         default: NOT_REACHED();
01632       }
01633 
01634       if (value != oldvalue) {
01635         if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
01636           SetCompanySetting(pe->d.entry.index, value);
01637         } else {
01638           SetSettingValue(pe->d.entry.index, value);
01639         }
01640         this->SetDirty();
01641       }
01642     } else {
01643       /* only open editbox for types that its sensible for */
01644       if (sd->desc.cmd != SDT_BOOLX && !(sd->desc.flags & SGF_MULTISTRING)) {
01645         /* Show the correct currency-translated value */
01646         if (sd->desc.flags & SGF_CURRENCY) value *= _currency->rate;
01647 
01648         this->valuewindow_entry = pe;
01649         SetDParam(0, value);
01650         ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, 100, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
01651       }
01652     }
01653   }
01654 
01655   virtual void OnTimeout()
01656   {
01657     if (this->clicked_entry != NULL) { // On timeout, release any depressed buttons
01658       this->clicked_entry->SetButtons(0);
01659       this->clicked_entry = NULL;
01660       this->SetDirty();
01661     }
01662   }
01663 
01664   virtual void OnQueryTextFinished(char *str)
01665   {
01666     /* The user pressed cancel */
01667     if (str == NULL) return;
01668 
01669     assert(this->valuewindow_entry != NULL);
01670     assert((this->valuewindow_entry->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
01671     const SettingDesc *sd = this->valuewindow_entry->d.entry.setting;
01672 
01673     int32 value;
01674     if (!StrEmpty(str)) {
01675       value = atoi(str);
01676 
01677       /* Save the correct currency-translated value */
01678       if (sd->desc.flags & SGF_CURRENCY) value /= _currency->rate;
01679     } else {
01680       value = (int32)(size_t)sd->desc.def;
01681     }
01682 
01683     if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
01684       SetCompanySetting(this->valuewindow_entry->d.entry.index, value);
01685     } else {
01686       SetSettingValue(this->valuewindow_entry->d.entry.index, value);
01687     }
01688     this->SetDirty();
01689   }
01690 
01691   virtual void OnResize()
01692   {
01693     this->vscroll.SetCapacityFromWidget(this, SETTINGSEL_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET);
01694   }
01695 };
01696 
01697 GameSettings *GameSettingsWindow::settings_ptr = NULL;
01698 
01699 static const NWidgetPart _nested_settings_selection_widgets[] = {
01700   NWidget(NWID_HORIZONTAL),
01701     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
01702     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_CONFIG_SETTING_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01703   EndContainer(),
01704   NWidget(NWID_HORIZONTAL),
01705     NWidget(WWT_PANEL, COLOUR_MAUVE, SETTINGSEL_OPTIONSPANEL), SetMinimalSize(400, 174), EndContainer(),
01706     NWidget(NWID_VERTICAL),
01707       NWidget(WWT_SCROLLBAR, COLOUR_MAUVE, SETTINGSEL_SCROLLBAR),
01708       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
01709     EndContainer(),
01710   EndContainer(),
01711 };
01712 
01713 static const WindowDesc _settings_selection_desc(
01714   WDP_CENTER, 450, 397,
01715   WC_GAME_OPTIONS, WC_NONE,
01716   0,
01717   _nested_settings_selection_widgets, lengthof(_nested_settings_selection_widgets)
01718 );
01719 
01720 void ShowGameSettings()
01721 {
01722   DeleteWindowById(WC_GAME_OPTIONS, 0);
01723   new GameSettingsWindow(&_settings_selection_desc);
01724 }
01725 
01726 
01736 void DrawArrowButtons(int x, int y, Colours button_colour, byte state, bool clickable_left, bool clickable_right)
01737 {
01738   int colour = _colour_gradient[button_colour][2];
01739 
01740   DrawFrameRect(x,      y + 1, x +  9, y + 9, button_colour, (state == 1) ? FR_LOWERED : FR_NONE);
01741   DrawFrameRect(x + 10, y + 1, x + 19, y + 9, button_colour, (state == 2) ? FR_LOWERED : FR_NONE);
01742   DrawSprite(SPR_ARROW_LEFT, PAL_NONE, x + WD_IMGBTN_LEFT, y + WD_IMGBTN_TOP);
01743   DrawSprite(SPR_ARROW_RIGHT, PAL_NONE, x + WD_IMGBTN_LEFT + 10, y + WD_IMGBTN_TOP);
01744 
01745   /* Grey out the buttons that aren't clickable */
01746   bool rtl = _dynlang.text_dir == TD_RTL;
01747   if (rtl ? !clickable_right : !clickable_left) {
01748     GfxFillRect(x +  1, y + 1, x +  1 + 8, y + 8, colour, FILLRECT_CHECKER);
01749   }
01750   if (rtl ? !clickable_left : !clickable_right) {
01751     GfxFillRect(x + 11, y + 1, x + 11 + 8, y + 8, colour, FILLRECT_CHECKER);
01752   }
01753 }
01754 
01756 enum CustomCurrencyWidgets {
01757   CUSTCURR_RATE_DOWN,
01758   CUSTCURR_RATE_UP,
01759   CUSTCURR_RATE,
01760   CUSTCURR_SEPARATOR_EDIT,
01761   CUSTCURR_SEPARATOR,
01762   CUSTCURR_PREFIX_EDIT,
01763   CUSTCURR_PREFIX,
01764   CUSTCURR_SUFFIX_EDIT,
01765   CUSTCURR_SUFFIX,
01766   CUSTCURR_YEAR_DOWN,
01767   CUSTCURR_YEAR_UP,
01768   CUSTCURR_YEAR,
01769   CUSTCURR_PREVIEW,
01770 };
01771 
01772 struct CustomCurrencyWindow : Window {
01773   int query_widget;
01774 
01775   CustomCurrencyWindow(const WindowDesc *desc) : Window()
01776   {
01777     this->InitNested(desc);
01778 
01779     SetButtonState();
01780   }
01781 
01782   void SetButtonState()
01783   {
01784     this->SetWidgetDisabledState(CUSTCURR_RATE_DOWN, _custom_currency.rate == 1);
01785     this->SetWidgetDisabledState(CUSTCURR_RATE_UP, _custom_currency.rate == UINT16_MAX);
01786     this->SetWidgetDisabledState(CUSTCURR_YEAR_DOWN, _custom_currency.to_euro == CF_NOEURO);
01787     this->SetWidgetDisabledState(CUSTCURR_YEAR_UP, _custom_currency.to_euro == MAX_YEAR);
01788   }
01789 
01790   virtual void SetStringParameters(int widget) const
01791   {
01792     switch (widget) {
01793       case CUSTCURR_RATE:      SetDParam(0, 1); SetDParam(1, 1);            break;
01794       case CUSTCURR_SEPARATOR: SetDParamStr(0, _custom_currency.separator); break;
01795       case CUSTCURR_PREFIX:    SetDParamStr(0, _custom_currency.prefix);    break;
01796       case CUSTCURR_SUFFIX:    SetDParamStr(0, _custom_currency.suffix);    break;
01797       case CUSTCURR_YEAR:
01798         SetDParam(0, (_custom_currency.to_euro != CF_NOEURO) ? STR_CURRENCY_SWITCH_TO_EURO : STR_CURRENCY_SWITCH_TO_EURO_NEVER);
01799         SetDParam(1, _custom_currency.to_euro);
01800         break;
01801 
01802       case CUSTCURR_PREVIEW:
01803         SetDParam(0, 10000);
01804         break;
01805     }
01806   }
01807 
01808   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01809   {
01810     switch (widget) {
01811       /* Set the appropriate width for the edit 'buttons' */
01812       case CUSTCURR_SEPARATOR_EDIT:
01813       case CUSTCURR_PREFIX_EDIT:
01814       case CUSTCURR_SUFFIX_EDIT:
01815         size->width  = this->GetWidget<NWidgetBase>(CUSTCURR_RATE_DOWN)->smallest_x + this->GetWidget<NWidgetBase>(CUSTCURR_RATE_UP)->smallest_x;
01816         break;
01817 
01818       /* Make sure the window is wide enough for the widest exchange rate */
01819       case CUSTCURR_RATE:
01820         SetDParam(0, 1);
01821         SetDParam(1, INT32_MAX);
01822         *size = GetStringBoundingBox(STR_CURRENCY_EXCHANGE_RATE);
01823         break;
01824     }
01825   }
01826 
01827   virtual void OnPaint()
01828   {
01829     this->DrawWidgets();
01830   }
01831 
01832   virtual void OnClick(Point pt, int widget, int click_count)
01833   {
01834     int line = 0;
01835     int len = 0;
01836     StringID str = 0;
01837     CharSetFilter afilter = CS_ALPHANUMERAL;
01838 
01839     switch (widget) {
01840       case CUSTCURR_RATE_DOWN:
01841         if (_custom_currency.rate > 1) _custom_currency.rate--;
01842         if (_custom_currency.rate == 1) this->DisableWidget(CUSTCURR_RATE_DOWN);
01843         this->EnableWidget(CUSTCURR_RATE_UP);
01844         break;
01845 
01846       case CUSTCURR_RATE_UP:
01847         if (_custom_currency.rate < UINT16_MAX) _custom_currency.rate++;
01848         if (_custom_currency.rate == UINT16_MAX) this->DisableWidget(CUSTCURR_RATE_UP);
01849         this->EnableWidget(CUSTCURR_RATE_DOWN);
01850         break;
01851 
01852       case CUSTCURR_RATE:
01853         SetDParam(0, _custom_currency.rate);
01854         str = STR_JUST_INT;
01855         len = 5;
01856         line = CUSTCURR_RATE;
01857         afilter = CS_NUMERAL;
01858         break;
01859 
01860       case CUSTCURR_SEPARATOR_EDIT:
01861       case CUSTCURR_SEPARATOR:
01862         SetDParamStr(0, _custom_currency.separator);
01863         str = STR_JUST_RAW_STRING;
01864         len = 1;
01865         line = CUSTCURR_SEPARATOR;
01866         break;
01867 
01868       case CUSTCURR_PREFIX_EDIT:
01869       case CUSTCURR_PREFIX:
01870         SetDParamStr(0, _custom_currency.prefix);
01871         str = STR_JUST_RAW_STRING;
01872         len = 12;
01873         line = CUSTCURR_PREFIX;
01874         break;
01875 
01876       case CUSTCURR_SUFFIX_EDIT:
01877       case CUSTCURR_SUFFIX:
01878         SetDParamStr(0, _custom_currency.suffix);
01879         str = STR_JUST_RAW_STRING;
01880         len = 12;
01881         line = CUSTCURR_SUFFIX;
01882         break;
01883 
01884       case CUSTCURR_YEAR_DOWN:
01885         _custom_currency.to_euro = (_custom_currency.to_euro <= 2000) ? CF_NOEURO : _custom_currency.to_euro - 1;
01886         if (_custom_currency.to_euro == CF_NOEURO) this->DisableWidget(CUSTCURR_YEAR_DOWN);
01887         this->EnableWidget(CUSTCURR_YEAR_UP);
01888         break;
01889 
01890       case CUSTCURR_YEAR_UP:
01891         _custom_currency.to_euro = Clamp(_custom_currency.to_euro + 1, 2000, MAX_YEAR);
01892         if (_custom_currency.to_euro == MAX_YEAR) this->DisableWidget(CUSTCURR_YEAR_UP);
01893         this->EnableWidget(CUSTCURR_YEAR_DOWN);
01894         break;
01895 
01896       case CUSTCURR_YEAR:
01897         SetDParam(0, _custom_currency.to_euro);
01898         str = STR_JUST_INT;
01899         len = 7;
01900         line = CUSTCURR_YEAR;
01901         afilter = CS_NUMERAL;
01902         break;
01903     }
01904 
01905     if (len != 0) {
01906       this->query_widget = line;
01907       ShowQueryString(str, STR_CURRENCY_CHANGE_PARAMETER, len + 1, 250, this, afilter, QSF_NONE);
01908     }
01909 
01910     this->flags4 |= WF_TIMEOUT_BEGIN;
01911     this->SetDirty();
01912   }
01913 
01914   virtual void OnQueryTextFinished(char *str)
01915   {
01916     if (str == NULL) return;
01917 
01918     switch (this->query_widget) {
01919       case CUSTCURR_RATE:
01920         _custom_currency.rate = Clamp(atoi(str), 1, UINT16_MAX);
01921         break;
01922 
01923       case CUSTCURR_SEPARATOR: // Thousands seperator
01924         strecpy(_custom_currency.separator, str, lastof(_custom_currency.separator));
01925         break;
01926 
01927       case CUSTCURR_PREFIX:
01928         strecpy(_custom_currency.prefix, str, lastof(_custom_currency.prefix));
01929         break;
01930 
01931       case CUSTCURR_SUFFIX:
01932         strecpy(_custom_currency.suffix, str, lastof(_custom_currency.suffix));
01933         break;
01934 
01935       case CUSTCURR_YEAR: { // Year to switch to euro
01936         int val = atoi(str);
01937 
01938         _custom_currency.to_euro = (val < 2000 ? CF_NOEURO : min(val, MAX_YEAR));
01939         break;
01940       }
01941     }
01942     MarkWholeScreenDirty();
01943     SetButtonState();
01944   }
01945 
01946   virtual void OnTimeout()
01947   {
01948     this->SetDirty();
01949   }
01950 };
01951 
01952 static const NWidgetPart _nested_cust_currency_widgets[] = {
01953   NWidget(NWID_HORIZONTAL),
01954     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
01955     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CURRENCY_WINDOW, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01956   EndContainer(),
01957   NWidget(WWT_PANEL, COLOUR_GREY),
01958     NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(7, 3, 0),
01959       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01960         NWidget(NWID_BUTTON_ARROW, COLOUR_YELLOW, CUSTCURR_RATE_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_EXCHANGE_RATE_TOOLTIP),
01961         NWidget(NWID_BUTTON_ARROW, COLOUR_YELLOW, CUSTCURR_RATE_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_EXCHANGE_RATE_TOOLTIP),
01962         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01963         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_RATE), SetDataTip(STR_CURRENCY_EXCHANGE_RATE, STR_CURRENCY_SET_EXCHANGE_RATE_TOOLTIP), SetFill(1, 0),
01964       EndContainer(),
01965       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01966         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_SEPARATOR_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(0, 1),
01967         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01968         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_SEPARATOR), SetDataTip(STR_CURRENCY_SEPARATOR, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(1, 0),
01969       EndContainer(),
01970       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01971         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_PREFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(0, 1),
01972         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01973         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_PREFIX), SetDataTip(STR_CURRENCY_PREFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(1, 0),
01974       EndContainer(),
01975       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01976         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_SUFFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(0, 1),
01977         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01978         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_SUFFIX), SetDataTip(STR_CURRENCY_SUFFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(1, 0),
01979       EndContainer(),
01980       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01981         NWidget(NWID_BUTTON_ARROW, COLOUR_YELLOW, CUSTCURR_YEAR_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
01982         NWidget(NWID_BUTTON_ARROW, COLOUR_YELLOW, CUSTCURR_YEAR_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
01983         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01984         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_YEAR), SetDataTip(STR_JUST_STRING, STR_CURRENCY_SET_CUSTOM_CURRENCY_TO_EURO_TOOLTIP), SetFill(1, 0),
01985       EndContainer(),
01986     EndContainer(),
01987     NWidget(WWT_LABEL, COLOUR_BLUE, CUSTCURR_PREVIEW),
01988                 SetDataTip(STR_CURRENCY_PREVIEW, STR_CURRENCY_CUSTOM_CURRENCY_PREVIEW_TOOLTIP), SetPadding(15, 1, 18, 2),
01989   EndContainer(),
01990 };
01991 
01992 static const WindowDesc _cust_currency_desc(
01993   WDP_CENTER, 0, 0,
01994   WC_CUSTOM_CURRENCY, WC_NONE,
01995   WDF_UNCLICK_BUTTONS,
01996   _nested_cust_currency_widgets, lengthof(_nested_cust_currency_widgets)
01997 );
01998 
01999 static void ShowCustCurrency()
02000 {
02001   DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
02002   new CustomCurrencyWindow(&_cust_currency_desc);
02003 }

Generated on Sun Nov 14 14:41:56 2010 for OpenTTD by  doxygen 1.6.1