settings_gui.cpp

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00001 /* $Id: settings_gui.cpp 18809 2010-01-15 16:41:15Z 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 <map>
00035 
00036 #include "table/sprites.h"
00037 #include "table/strings.h"
00038 
00039 static const StringID _units_dropdown[] = {
00040   STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL,
00041   STR_GAME_OPTIONS_MEASURING_UNITS_METRIC,
00042   STR_GAME_OPTIONS_MEASURING_UNITS_SI,
00043   INVALID_STRING_ID
00044 };
00045 
00046 static const StringID _driveside_dropdown[] = {
00047   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT,
00048   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_RIGHT,
00049   INVALID_STRING_ID
00050 };
00051 
00052 static const StringID _autosave_dropdown[] = {
00053   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_OFF,
00054   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_1_MONTH,
00055   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_3_MONTHS,
00056   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_6_MONTHS,
00057   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_12_MONTHS,
00058   INVALID_STRING_ID,
00059 };
00060 
00061 static StringID *BuildDynamicDropdown(StringID base, int num)
00062 {
00063   static StringID buf[32 + 1];
00064   StringID *p = buf;
00065   while (--num >= 0) *p++ = base++;
00066   *p = INVALID_STRING_ID;
00067   return buf;
00068 }
00069 
00070 int _nb_orig_names = SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1;
00071 static StringID *_grf_names = NULL;
00072 static int _nb_grf_names = 0;
00073 
00074 void InitGRFTownGeneratorNames()
00075 {
00076   free(_grf_names);
00077   _grf_names = GetGRFTownNameList();
00078   _nb_grf_names = 0;
00079   for (StringID *s = _grf_names; *s != INVALID_STRING_ID; s++) _nb_grf_names++;
00080 }
00081 
00082 static inline StringID TownName(int town_name)
00083 {
00084   if (town_name < _nb_orig_names) return STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + town_name;
00085   town_name -= _nb_orig_names;
00086   if (town_name < _nb_grf_names) return _grf_names[town_name];
00087   return STR_UNDEFINED;
00088 }
00089 
00090 static int GetCurRes()
00091 {
00092   int i;
00093 
00094   for (i = 0; i != _num_resolutions; i++) {
00095     if ((int)_resolutions[i].width == _screen.width &&
00096         (int)_resolutions[i].height == _screen.height) {
00097       break;
00098     }
00099   }
00100   return i;
00101 }
00102 
00104 enum GameOptionsWidgets {
00105   GOW_BACKGROUND,             
00106   GOW_CURRENCY_DROPDOWN,      
00107   GOW_DISTANCE_DROPDOWN,      
00108   GOW_ROADSIDE_DROPDOWN,      
00109   GOW_TOWNNAME_DROPDOWN,      
00110   GOW_AUTOSAVE_DROPDOWN,      
00111   GOW_LANG_DROPDOWN,          
00112   GOW_RESOLUTION_DROPDOWN,    
00113   GOW_FULLSCREEN_BUTTON,      
00114   GOW_SCREENSHOT_DROPDOWN,    
00115   GOW_BASE_GRF_DROPDOWN,      
00116   GOW_BASE_GRF_STATUS,        
00117   GOW_BASE_GRF_DESCRIPTION,   
00118   GOW_BASE_SFX_DROPDOWN,      
00119   GOW_BASE_SFX_DESCRIPTION,   
00120   GOW_BASE_MUSIC_DROPDOWN,    
00121   GOW_BASE_MUSIC_STATUS,      
00122   GOW_BASE_MUSIC_DESCRIPTION, 
00123 };
00124 
00130 static void ShowTownnameDropdown(Window *w, int sel)
00131 {
00132   typedef std::map<StringID, int, StringIDCompare> TownList;
00133   TownList townnames;
00134 
00135   /* Add and sort original townnames generators */
00136   for (int i = 0; i < _nb_orig_names; i++) townnames[STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + i] = i;
00137 
00138   /* Add and sort newgrf townnames generators */
00139   for (int i = 0; i < _nb_grf_names; i++) townnames[_grf_names[i]] = _nb_orig_names + i;
00140 
00141   DropDownList *list = new DropDownList();
00142   for (TownList::iterator it = townnames.begin(); it != townnames.end(); it++) {
00143     list->push_back(new DropDownListStringItem((*it).first, (*it).second, !(_game_mode == GM_MENU || Town::GetNumItems() == 0 || (*it).second == sel)));
00144   }
00145 
00146   ShowDropDownList(w, list, sel, GOW_TOWNNAME_DROPDOWN);
00147 }
00148 
00149 static void ShowCustCurrency();
00150 
00151 template <class T>
00152 static void ShowSetMenu(Window *w, int widget)
00153 {
00154   int n = T::GetNumSets();
00155   int current = T::GetIndexOfUsedSet();
00156 
00157   DropDownList *list = new DropDownList();
00158   for (int i = 0; i < n; i++) {
00159     list->push_back(new DropDownListCharStringItem(T::GetSet(i)->name, i, (_game_mode == GM_MENU) ? false : (current != i)));
00160   }
00161 
00162   ShowDropDownList(w, list, current, widget);
00163 }
00164 
00165 struct GameOptionsWindow : Window {
00166   GameSettings *opt;
00167   bool reload;
00168 
00169   GameOptionsWindow(const WindowDesc *desc) : Window()
00170   {
00171     this->opt = (_game_mode == GM_MENU) ? &_settings_newgame : &_settings_game;
00172     this->reload = false;
00173 
00174     this->InitNested(desc);
00175     this->OnInvalidateData(0);
00176   }
00177 
00178   ~GameOptionsWindow()
00179   {
00180     DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
00181     if (this->reload) _switch_mode = SM_MENU;
00182   }
00183 
00184   virtual void SetStringParameters(int widget) const
00185   {
00186     switch (widget) {
00187       case GOW_CURRENCY_DROPDOWN:   SetDParam(0, _currency_specs[this->opt->locale.currency].name); break;
00188       case GOW_DISTANCE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL + this->opt->locale.units); break;
00189       case GOW_ROADSIDE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT + this->opt->vehicle.road_side); break;
00190       case GOW_TOWNNAME_DROPDOWN:   SetDParam(0, TownName(this->opt->game_creation.town_name)); break;
00191       case GOW_AUTOSAVE_DROPDOWN:   SetDParam(0, _autosave_dropdown[_settings_client.gui.autosave]); break;
00192       case GOW_LANG_DROPDOWN:       SetDParam(0, SPECSTR_LANGUAGE_START + _dynlang.curr); break;
00193       case GOW_RESOLUTION_DROPDOWN: SetDParam(0, GetCurRes() == _num_resolutions ? STR_RES_OTHER : SPECSTR_RESOLUTION_START + GetCurRes()); break;
00194       case GOW_SCREENSHOT_DROPDOWN: SetDParam(0, SPECSTR_SCREENSHOT_START + _cur_screenshot_format); break;
00195       case GOW_BASE_GRF_DROPDOWN:   SetDParamStr(0, BaseGraphics::GetUsedSet()->name); break;
00196       case GOW_BASE_GRF_STATUS:     SetDParam(0, BaseGraphics::GetUsedSet()->GetNumInvalid()); break;
00197       case GOW_BASE_SFX_DROPDOWN:   SetDParamStr(0, BaseSounds::GetUsedSet()->name); break;
00198       case GOW_BASE_MUSIC_DROPDOWN: SetDParamStr(0, BaseMusic::GetUsedSet()->name); break;
00199       case GOW_BASE_MUSIC_STATUS:   SetDParam(0, BaseMusic::GetUsedSet()->GetNumInvalid()); break;
00200     }
00201   }
00202 
00203   virtual void OnPaint()
00204   {
00205     this->DrawWidgets();
00206   }
00207 
00208   virtual void DrawWidget(const Rect &r, int widget) const
00209   {
00210     switch (widget) {
00211       case GOW_BASE_GRF_DESCRIPTION:
00212         SetDParamStr(0, BaseGraphics::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
00213         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
00214         break;
00215 
00216       case GOW_BASE_SFX_DESCRIPTION:
00217         SetDParamStr(0, BaseSounds::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
00218         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
00219         break;
00220 
00221       case GOW_BASE_MUSIC_DESCRIPTION:
00222         SetDParamStr(0, BaseMusic::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
00223         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
00224         break;
00225     }
00226   }
00227 
00228   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00229   {
00230     switch (widget) {
00231       case GOW_BASE_GRF_DESCRIPTION:
00232         /* Find the biggest description for the default size. */
00233         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
00234           SetDParamStr(0, BaseGraphics::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
00235           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
00236         }
00237         break;
00238 
00239       case GOW_BASE_GRF_STATUS:
00240         /* Find the biggest description for the default size. */
00241         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
00242           uint invalid_files = BaseGraphics::GetSet(i)->GetNumInvalid();
00243           if (invalid_files == 0) continue;
00244 
00245           SetDParam(0, invalid_files);
00246           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_GRF_STATUS));
00247         }
00248         break;
00249 
00250       case GOW_BASE_SFX_DESCRIPTION:
00251         /* Find the biggest description for the default size. */
00252         for (int i = 0; i < BaseSounds::GetNumSets(); i++) {
00253           SetDParamStr(0, BaseSounds::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
00254           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
00255         }
00256         break;
00257 
00258       case GOW_BASE_MUSIC_DESCRIPTION:
00259         /* Find the biggest description for the default size. */
00260         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
00261           SetDParamStr(0, BaseMusic::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
00262           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
00263         }
00264         break;
00265 
00266       case GOW_BASE_MUSIC_STATUS:
00267         /* Find the biggest description for the default size. */
00268         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
00269           uint invalid_files = BaseMusic::GetSet(i)->GetNumInvalid();
00270           if (invalid_files == 0) continue;
00271 
00272           SetDParam(0, invalid_files);
00273           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_MUSIC_STATUS));
00274         }
00275         break;
00276     }
00277   }
00278 
00279   virtual void OnClick(Point pt, int widget)
00280   {
00281     switch (widget) {
00282       case GOW_CURRENCY_DROPDOWN: // Setup currencies dropdown
00283         ShowDropDownMenu(this, BuildCurrencyDropdown(), this->opt->locale.currency, GOW_CURRENCY_DROPDOWN, _game_mode == GM_MENU ? 0 : ~GetMaskOfAllowedCurrencies(), 0);
00284         break;
00285 
00286       case GOW_DISTANCE_DROPDOWN: // Setup distance unit dropdown
00287         ShowDropDownMenu(this, _units_dropdown, this->opt->locale.units, GOW_DISTANCE_DROPDOWN, 0, 0);
00288         break;
00289 
00290       case GOW_ROADSIDE_DROPDOWN: { // Setup road-side dropdown
00291         int i = 0;
00292         extern bool RoadVehiclesAreBuilt();
00293 
00294         /* You can only change the drive side if you are in the menu or ingame with
00295          * no vehicles present. In a networking game only the server can change it */
00296         if ((_game_mode != GM_MENU && RoadVehiclesAreBuilt()) || (_networking && !_network_server)) {
00297           i = (-1) ^ (1 << this->opt->vehicle.road_side); // disable the other value
00298         }
00299 
00300         ShowDropDownMenu(this, _driveside_dropdown, this->opt->vehicle.road_side, GOW_ROADSIDE_DROPDOWN, i, 0);
00301       } break;
00302 
00303       case GOW_TOWNNAME_DROPDOWN: // Setup townname dropdown
00304         ShowTownnameDropdown(this, this->opt->game_creation.town_name);
00305         break;
00306 
00307       case GOW_AUTOSAVE_DROPDOWN: // Setup autosave dropdown
00308         ShowDropDownMenu(this, _autosave_dropdown, _settings_client.gui.autosave, GOW_AUTOSAVE_DROPDOWN, 0, 0);
00309         break;
00310 
00311       case GOW_LANG_DROPDOWN: { // Setup interface language dropdown
00312         typedef std::map<StringID, int, StringIDCompare> LangList;
00313 
00314         /* Sort language names */
00315         LangList langs;
00316         for (int i = 0; i < _dynlang.num; i++) langs[SPECSTR_LANGUAGE_START + i] = i;
00317 
00318         DropDownList *list = new DropDownList();
00319         for (LangList::iterator it = langs.begin(); it != langs.end(); it++) {
00320           list->push_back(new DropDownListStringItem((*it).first, (*it).second, false));
00321         }
00322 
00323         ShowDropDownList(this, list, _dynlang.curr, GOW_LANG_DROPDOWN);
00324       } break;
00325 
00326       case GOW_RESOLUTION_DROPDOWN: // Setup resolution dropdown
00327         ShowDropDownMenu(this, BuildDynamicDropdown(SPECSTR_RESOLUTION_START, _num_resolutions), GetCurRes(), GOW_RESOLUTION_DROPDOWN, 0, 0);
00328         break;
00329 
00330       case GOW_FULLSCREEN_BUTTON: // Click fullscreen on/off
00331         /* try to toggle full-screen on/off */
00332         if (!ToggleFullScreen(!_fullscreen)) {
00333           ShowErrorMessage(STR_ERROR_FULLSCREEN_FAILED, INVALID_STRING_ID, 0, 0);
00334         }
00335         this->SetWidgetLoweredState(GOW_FULLSCREEN_BUTTON, _fullscreen);
00336         this->SetDirty();
00337         break;
00338 
00339       case GOW_SCREENSHOT_DROPDOWN: // Setup screenshot format dropdown
00340         ShowDropDownMenu(this, BuildDynamicDropdown(SPECSTR_SCREENSHOT_START, _num_screenshot_formats), _cur_screenshot_format, GOW_SCREENSHOT_DROPDOWN, 0, 0);
00341         break;
00342 
00343       case GOW_BASE_GRF_DROPDOWN:
00344         ShowSetMenu<BaseGraphics>(this, GOW_BASE_GRF_DROPDOWN);
00345         break;
00346 
00347       case GOW_BASE_SFX_DROPDOWN:
00348         ShowSetMenu<BaseSounds>(this, GOW_BASE_SFX_DROPDOWN);
00349         break;
00350 
00351       case GOW_BASE_MUSIC_DROPDOWN:
00352         ShowSetMenu<BaseMusic>(this, GOW_BASE_MUSIC_DROPDOWN);
00353         break;
00354     }
00355   }
00356 
00362   template <class T>
00363   void SetMediaSet(int index)
00364   {
00365     if (_game_mode == GM_MENU) {
00366       const char *name = T::GetSet(index)->name;
00367 
00368       free(const_cast<char *>(T::ini_set));
00369       T::ini_set = strdup(name);
00370 
00371       T::SetSet(name);
00372       this->reload = true;
00373       this->InvalidateData();
00374     }
00375   }
00376 
00377   virtual void OnDropdownSelect(int widget, int index)
00378   {
00379     switch (widget) {
00380       case GOW_CURRENCY_DROPDOWN: // Currency
00381         if (index == CUSTOM_CURRENCY_ID) ShowCustCurrency();
00382         this->opt->locale.currency = index;
00383         MarkWholeScreenDirty();
00384         break;
00385 
00386       case GOW_DISTANCE_DROPDOWN: // Measuring units
00387         this->opt->locale.units = index;
00388         MarkWholeScreenDirty();
00389         break;
00390 
00391       case GOW_ROADSIDE_DROPDOWN: // Road side
00392         if (this->opt->vehicle.road_side != index) { // only change if setting changed
00393           uint i;
00394           if (GetSettingFromName("vehicle.road_side", &i) == NULL) NOT_REACHED();
00395           SetSettingValue(i, index);
00396           MarkWholeScreenDirty();
00397         }
00398         break;
00399 
00400       case GOW_TOWNNAME_DROPDOWN: // Town names
00401         if (_game_mode == GM_MENU || Town::GetNumItems() == 0) {
00402           this->opt->game_creation.town_name = index;
00403           SetWindowDirty(WC_GAME_OPTIONS, 0);
00404         }
00405         break;
00406 
00407       case GOW_AUTOSAVE_DROPDOWN: // Autosave options
00408         _settings_client.gui.autosave = index;
00409         this->SetDirty();
00410         break;
00411 
00412       case GOW_LANG_DROPDOWN: // Change interface language
00413         ReadLanguagePack(index);
00414         CheckForMissingGlyphsInLoadedLanguagePack();
00415         UpdateAllVirtCoords();
00416         ReInitAllWindows();
00417         break;
00418 
00419       case GOW_RESOLUTION_DROPDOWN: // Change resolution
00420         if (index < _num_resolutions && ChangeResInGame(_resolutions[index].width, _resolutions[index].height)) {
00421           this->SetDirty();
00422         }
00423         break;
00424 
00425       case GOW_SCREENSHOT_DROPDOWN: // Change screenshot format
00426         SetScreenshotFormat(index);
00427         this->SetDirty();
00428         break;
00429 
00430       case GOW_BASE_GRF_DROPDOWN:
00431         this->SetMediaSet<BaseGraphics>(index);
00432         break;
00433 
00434       case GOW_BASE_SFX_DROPDOWN:
00435         this->SetMediaSet<BaseSounds>(index);
00436         break;
00437 
00438       case GOW_BASE_MUSIC_DROPDOWN:
00439         this->SetMediaSet<BaseMusic>(index);
00440         break;
00441     }
00442   }
00443 
00444   virtual void OnInvalidateData(int data)
00445   {
00446     this->SetWidgetLoweredState(GOW_FULLSCREEN_BUTTON, _fullscreen);
00447 
00448     bool missing_files = BaseGraphics::GetUsedSet()->GetNumMissing() == 0;
00449     this->GetWidget<NWidgetCore>(GOW_BASE_GRF_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_GRF_STATUS, STR_NULL);
00450 
00451     missing_files = BaseMusic::GetUsedSet()->GetNumInvalid() == 0;
00452     this->GetWidget<NWidgetCore>(GOW_BASE_MUSIC_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_MUSIC_STATUS, STR_NULL);
00453   }
00454 };
00455 
00456 static const NWidgetPart _nested_game_options_widgets[] = {
00457   NWidget(NWID_HORIZONTAL),
00458     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
00459     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00460   EndContainer(),
00461   NWidget(WWT_PANEL, COLOUR_GREY, GOW_BACKGROUND), SetPIP(6, 6, 10),
00462     NWidget(NWID_HORIZONTAL), SetPIP(10, 10, 10),
00463       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
00464         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CURRENCY_UNITS_FRAME, STR_NULL),
00465           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),
00466         EndContainer(),
00467         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_ROAD_VEHICLES_FRAME, STR_NULL),
00468           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),
00469         EndContainer(),
00470         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_AUTOSAVE_FRAME, STR_NULL),
00471           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_AUTOSAVE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_TOOLTIP), SetFill(1, 0),
00472         EndContainer(),
00473         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_RESOLUTION, STR_NULL),
00474           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),
00475           NWidget(NWID_HORIZONTAL),
00476             NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_FULLSCREEN, STR_NULL),
00477             NWidget(WWT_TEXTBTN, COLOUR_GREY, GOW_FULLSCREEN_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_FULLSCREEN_TOOLTIP),
00478           EndContainer(),
00479         EndContainer(),
00480       EndContainer(),
00481 
00482       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
00483         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_MEASURING_UNITS_FRAME, STR_NULL),
00484           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),
00485         EndContainer(),
00486         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_TOWN_NAMES_FRAME, STR_NULL),
00487           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),
00488         EndContainer(),
00489         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_LANGUAGE, STR_NULL),
00490           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_LANG_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_LANGUAGE_TOOLTIP), SetFill(1, 0),
00491         EndContainer(),
00492         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_SCREENSHOT_FORMAT, STR_NULL),
00493           NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_SCREENSHOT_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_SCREENSHOT_FORMAT_TOOLTIP), SetFill(1, 0),
00494         EndContainer(),
00495         NWidget(NWID_SPACER), SetMinimalSize(0, 0), SetFill(0, 1),
00496       EndContainer(),
00497     EndContainer(),
00498 
00499     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_GRF, STR_NULL), SetPadding(0, 10, 0, 10),
00500       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00501         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_GRF_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_GRF_TOOLTIP),
00502         NWidget(WWT_TEXT, COLOUR_GREY, GOW_BASE_GRF_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
00503       EndContainer(),
00504       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),
00505     EndContainer(),
00506 
00507     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_SFX, STR_NULL), SetPadding(0, 10, 0, 10),
00508       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00509         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_SFX_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_SFX_TOOLTIP),
00510         NWidget(NWID_SPACER), SetFill(1, 0),
00511       EndContainer(),
00512       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),
00513     EndContainer(),
00514 
00515     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_MUSIC, STR_NULL), SetPadding(0, 10, 0, 10),
00516       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00517         NWidget(WWT_DROPDOWN, COLOUR_GREY, GOW_BASE_MUSIC_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_MUSIC_TOOLTIP),
00518         NWidget(WWT_TEXT, COLOUR_GREY, GOW_BASE_MUSIC_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
00519       EndContainer(),
00520       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),
00521     EndContainer(),
00522   EndContainer(),
00523 };
00524 
00525 static const WindowDesc _game_options_desc(
00526   WDP_CENTER, 0, 0,
00527   WC_GAME_OPTIONS, WC_NONE,
00528   WDF_UNCLICK_BUTTONS,
00529   _nested_game_options_widgets, lengthof(_nested_game_options_widgets)
00530 );
00531 
00532 
00533 void ShowGameOptions()
00534 {
00535   DeleteWindowById(WC_GAME_OPTIONS, 0);
00536   new GameOptionsWindow(&_game_options_desc);
00537 }
00538 
00539 extern void StartupEconomy();
00540 
00541 
00542 /* Names of the game difficulty settings window */
00543 enum GameDifficultyWidgets {
00544   GDW_LVL_EASY,
00545   GDW_LVL_MEDIUM,
00546   GDW_LVL_HARD,
00547   GDW_LVL_CUSTOM,
00548   GDW_HIGHSCORE,
00549   GDW_ACCEPT,
00550   GDW_CANCEL,
00551 
00552   GDW_OPTIONS_START,
00553 };
00554 
00555 void SetDifficultyLevel(int mode, DifficultySettings *gm_opt);
00556 
00557 class GameDifficultyWindow : public Window {
00558 private:
00559   /* Temporary holding place of values in the difficulty window until 'Save' is clicked */
00560   GameSettings opt_mod_temp;
00561 
00562 public:
00564   static const uint GAME_DIFFICULTY_NUM = 18;
00566   static const uint WIDGETS_PER_DIFFICULTY = 3;
00567 
00568   GameDifficultyWindow(const WindowDesc *desc) : Window()
00569   {
00570     this->InitNested(desc);
00571 
00572     /* Copy current settings (ingame or in intro) to temporary holding place
00573      * change that when setting stuff, copy back on clicking 'OK' */
00574     this->opt_mod_temp = (_game_mode == GM_MENU) ? _settings_newgame : _settings_game;
00575     /* Setup disabled buttons when creating window
00576      * disable all other difficulty buttons during gameplay except for 'custom' */
00577     this->SetWidgetsDisabledState(_game_mode != GM_MENU,
00578       GDW_LVL_EASY,
00579       GDW_LVL_MEDIUM,
00580       GDW_LVL_HARD,
00581       GDW_LVL_CUSTOM,
00582       WIDGET_LIST_END);
00583     this->SetWidgetDisabledState(GDW_HIGHSCORE, _game_mode == GM_EDITOR || _networking); // highscore chart in multiplayer
00584     this->SetWidgetDisabledState(GDW_ACCEPT, _networking && !_network_server); // Save-button in multiplayer (and if client)
00585     this->LowerWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00586     this->OnInvalidateData();
00587   }
00588 
00589   virtual void SetStringParameters(int widget) const
00590   {
00591     widget -= GDW_OPTIONS_START;
00592     if (widget < 0 || (widget % 3) != 2) return;
00593 
00594     widget /= 3;
00595 
00596     uint i;
00597     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + widget;
00598     int32 value = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00599     SetDParam(0, sd->desc.str + value);
00600   }
00601 
00602   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00603   {
00604     /* Only for the 'descriptions' */
00605     int index = widget - GDW_OPTIONS_START;
00606     if (index < 0 || (index % 3) != 2) return;
00607 
00608     index /= 3;
00609 
00610     uint i;
00611     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + index;
00612     const SettingDescBase *sdb = &sd->desc;
00613 
00614     /* Get the string and try all strings from the smallest to the highest value */
00615     StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
00616     for (int32 value = sdb->min; (uint32)value <= sdb->max; value += sdb->interval) {
00617       SetDParam(0, sdb->str + value);
00618       *size = maxdim(*size, GetStringBoundingBox(str));
00619     }
00620   }
00621 
00622   virtual void OnPaint()
00623   {
00624     this->DrawWidgets();
00625   }
00626 
00627   virtual void OnClick(Point pt, int widget)
00628   {
00629     if (widget >= GDW_OPTIONS_START) {
00630       widget -= GDW_OPTIONS_START;
00631       if ((widget % 3) == 2) return;
00632 
00633       /* Don't allow clients to make any changes */
00634       if (_networking && !_network_server) return;
00635 
00636       uint i;
00637       const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + (widget / 3);
00638       const SettingDescBase *sdb = &sd->desc;
00639 
00640       int32 val = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00641       if (widget % 3 == 1) {
00642         /* Increase button clicked */
00643         val = min(val + sdb->interval, (int32)sdb->max);
00644       } else {
00645         /* Decrease button clicked */
00646         val -= sdb->interval;
00647         val = max(val, sdb->min);
00648       }
00649 
00650       /* save value in temporary variable */
00651       WriteValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv, val);
00652       this->RaiseWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00653       SetDifficultyLevel(3, &this->opt_mod_temp.difficulty); // set difficulty level to custom
00654       this->LowerWidget(GDW_LVL_CUSTOM);
00655       this->InvalidateData();
00656       return;
00657     }
00658 
00659     switch (widget) {
00660       case GDW_LVL_EASY:
00661       case GDW_LVL_MEDIUM:
00662       case GDW_LVL_HARD:
00663       case GDW_LVL_CUSTOM:
00664         /* temporarily change difficulty level */
00665         this->RaiseWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00666         SetDifficultyLevel(widget - GDW_LVL_EASY, &this->opt_mod_temp.difficulty);
00667         this->LowerWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
00668         this->InvalidateData();
00669         break;
00670 
00671       case GDW_HIGHSCORE: // Highscore Table
00672         ShowHighscoreTable(this->opt_mod_temp.difficulty.diff_level, -1);
00673         break;
00674 
00675       case GDW_ACCEPT: { // Save button - save changes
00676         GameSettings *opt_ptr = (_game_mode == GM_MENU) ? &_settings_newgame : &_settings_game;
00677 
00678         uint i;
00679         GetSettingFromName("difficulty.diff_level", &i);
00680         DoCommandP(0, i, this->opt_mod_temp.difficulty.diff_level, CMD_CHANGE_SETTING);
00681 
00682         const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
00683         for (uint btn = 0; btn != GAME_DIFFICULTY_NUM; btn++, sd++) {
00684           int32 new_val = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00685           int32 cur_val = (int32)ReadValue(GetVariableAddress(opt_ptr, &sd->save), sd->save.conv);
00686           /* if setting has changed, change it */
00687           if (new_val != cur_val) {
00688             DoCommandP(0, i + btn, new_val, CMD_CHANGE_SETTING);
00689           }
00690         }
00691         delete this;
00692         /* If we are in the editor, we should reload the economy.
00693          * This way when you load a game, the max loan and interest rate
00694          * are loaded correctly. */
00695         if (_game_mode == GM_EDITOR) StartupEconomy();
00696         break;
00697       }
00698 
00699       case GDW_CANCEL: // Cancel button - close window, abandon changes
00700         delete this;
00701         break;
00702     }
00703   }
00704 
00705   virtual void OnInvalidateData(int data = 0)
00706   {
00707     uint i;
00708     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
00709     for (i = 0; i < GAME_DIFFICULTY_NUM; i++, sd++) {
00710       const SettingDescBase *sdb = &sd->desc;
00711       /* skip deprecated difficulty options */
00712       if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
00713       int32 value = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
00714       bool disable = (sd->desc.flags & SGF_NEWGAME_ONLY) &&
00715           (_game_mode == GM_NORMAL ||
00716           (_game_mode == GM_EDITOR && (sd->desc.flags & SGF_SCENEDIT_TOO) == 0));
00717 
00718       this->SetWidgetDisabledState(GDW_OPTIONS_START + i * 3 + 0, disable || sdb->min == value);
00719       this->SetWidgetDisabledState(GDW_OPTIONS_START + i * 3 + 1, disable || sdb->max == (uint32)value);
00720     }
00721   }
00722 };
00723 
00724 static NWidgetBase *MakeDifficultyOptionsWidgets(int *biggest_index)
00725 {
00726   NWidgetVertical *vert_desc = new NWidgetVertical;
00727 
00728   int widnum = GDW_OPTIONS_START;
00729   uint i, j;
00730   const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
00731 
00732   for (i = 0, j = 0; i < GameDifficultyWindow::GAME_DIFFICULTY_NUM; i++, sd++, widnum += GameDifficultyWindow::WIDGETS_PER_DIFFICULTY) {
00733     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
00734 
00735     NWidgetHorizontal *hor = new NWidgetHorizontal;
00736 
00737     /* [<] button. */
00738     NWidgetLeaf *leaf = new NWidgetLeaf(NWID_BUTTON_ARROW, COLOUR_YELLOW, widnum, AWV_DECREASE, STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST);
00739     hor->Add(leaf);
00740 
00741     /* [>] button. */
00742     leaf = new NWidgetLeaf(NWID_BUTTON_ARROW, COLOUR_YELLOW, widnum + 1, AWV_INCREASE, STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST);
00743     hor->Add(leaf);
00744 
00745     /* Some spacing between the text and the description */
00746     NWidgetSpacer *spacer = new NWidgetSpacer(5, 0);
00747     hor->Add(spacer);
00748 
00749     /* Descriptive text. */
00750     leaf = new NWidgetLeaf(WWT_TEXT, COLOUR_YELLOW, widnum + 2, STR_DIFFICULTY_LEVEL_SETTING_MAXIMUM_NO_COMPETITORS + (j++), STR_NULL);
00751     leaf->SetFill(1, 0);
00752     hor->Add(leaf);
00753     vert_desc->Add(hor);
00754 
00755     /* Space vertically */
00756     vert_desc->Add(new NWidgetSpacer(0, 2));
00757   }
00758   *biggest_index = widnum - 1;
00759   return vert_desc;
00760 }
00761 
00762 
00764 static const NWidgetPart _nested_game_difficulty_widgets[] = {
00765   NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_DIFFICULTY_LEVEL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00766   NWidget(WWT_PANEL, COLOUR_MAUVE),
00767     NWidget(NWID_VERTICAL), SetPIP(2, 0, 2),
00768       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
00769         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_EASY), SetDataTip(STR_DIFFICULTY_LEVEL_EASY, STR_NULL), SetFill(1, 0),
00770         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_MEDIUM), SetDataTip(STR_DIFFICULTY_LEVEL_MEDIUM, STR_NULL), SetFill(1, 0),
00771         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_HARD), SetDataTip(STR_DIFFICULTY_LEVEL_HARD, STR_NULL), SetFill(1, 0),
00772         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, GDW_LVL_CUSTOM), SetDataTip(STR_DIFFICULTY_LEVEL_CUSTOM, STR_NULL), SetFill(1, 0),
00773       EndContainer(),
00774       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 10),
00775         NWidget(WWT_PUSHTXTBTN, COLOUR_GREEN, GDW_HIGHSCORE), SetDataTip(STR_DIFFICULTY_LEVEL_HIGH_SCORE_BUTTON, STR_NULL), SetFill(1, 0),
00776       EndContainer(),
00777     EndContainer(),
00778   EndContainer(),
00779   NWidget(WWT_PANEL, COLOUR_MAUVE),
00780     NWidget(NWID_VERTICAL), SetPIP(3, 0, 1),
00781       NWidget(NWID_HORIZONTAL), SetPIP(5, 0, 5),
00782         NWidgetFunction(MakeDifficultyOptionsWidgets),
00783       EndContainer(),
00784     EndContainer(),
00785   EndContainer(),
00786   NWidget(WWT_PANEL, COLOUR_MAUVE),
00787     NWidget(NWID_VERTICAL), SetPIP(2, 0, 2),
00788       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
00789         NWidget(NWID_SPACER), SetFill(1, 0),
00790         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, GDW_ACCEPT), SetDataTip(STR_DIFFICULTY_LEVEL_SAVE, STR_NULL), SetFill(1, 0),
00791         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, GDW_CANCEL), SetDataTip(STR_BUTTON_CANCEL, STR_NULL), SetFill(1, 0),
00792         NWidget(NWID_SPACER), SetFill(1, 0),
00793       EndContainer(),
00794     EndContainer(),
00795   EndContainer(),
00796 };
00797 
00799 static const WindowDesc _game_difficulty_desc(
00800   WDP_CENTER, 0, 0,
00801   WC_GAME_OPTIONS, WC_NONE,
00802   WDF_UNCLICK_BUTTONS,
00803   _nested_game_difficulty_widgets, lengthof(_nested_game_difficulty_widgets)
00804 );
00805 
00806 void ShowGameDifficulty()
00807 {
00808   DeleteWindowById(WC_GAME_OPTIONS, 0);
00809   new GameDifficultyWindow(&_game_difficulty_desc);
00810 }
00811 
00812 static int SETTING_HEIGHT = 11;    
00813 static const int LEVEL_WIDTH = 15; 
00814 
00819 enum SettingEntryFlags {
00820   SEF_LEFT_DEPRESSED  = 0x01, 
00821   SEF_RIGHT_DEPRESSED = 0x02, 
00822   SEF_BUTTONS_MASK = (SEF_LEFT_DEPRESSED | SEF_RIGHT_DEPRESSED), 
00823 
00824   SEF_LAST_FIELD = 0x04, 
00825 
00826   /* Entry kind */
00827   SEF_SETTING_KIND = 0x10, 
00828   SEF_SUBTREE_KIND = 0x20, 
00829   SEF_KIND_MASK    = (SEF_SETTING_KIND | SEF_SUBTREE_KIND), 
00830 };
00831 
00832 struct SettingsPage; // Forward declaration
00833 
00835 struct SettingEntrySubtree {
00836   SettingsPage *page; 
00837   bool folded;        
00838   StringID title;     
00839 };
00840 
00842 struct SettingEntrySetting {
00843   const char *name;           
00844   const SettingDesc *setting; 
00845   uint index;                 
00846 };
00847 
00849 struct SettingEntry {
00850   byte flags; 
00851   byte level; 
00852   union {
00853     SettingEntrySetting entry; 
00854     SettingEntrySubtree sub;   
00855   } d; 
00856 
00857   SettingEntry(const char *nm);
00858   SettingEntry(SettingsPage *sub, StringID title);
00859 
00860   void Init(byte level, bool last_field);
00861   void FoldAll();
00862   void SetButtons(byte new_val);
00863 
00864   uint Length() const;
00865   SettingEntry *FindEntry(uint row, uint *cur_row);
00866 
00867   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);
00868 
00869 private:
00870   void DrawSetting(GameSettings *settings_ptr, const SettingDesc *sd, int x, int y, int max_x, int state);
00871 };
00872 
00874 struct SettingsPage {
00875   SettingEntry *entries; 
00876   byte num;              
00877 
00878   void Init(byte level = 0);
00879   void FoldAll();
00880 
00881   uint Length() const;
00882   SettingEntry *FindEntry(uint row, uint *cur_row) const;
00883 
00884   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;
00885 };
00886 
00887 
00888 /* == SettingEntry methods == */
00889 
00894 SettingEntry::SettingEntry(const char *nm)
00895 {
00896   this->flags = SEF_SETTING_KIND;
00897   this->level = 0;
00898   this->d.entry.name = nm;
00899   this->d.entry.setting = NULL;
00900   this->d.entry.index = 0;
00901 }
00902 
00908 SettingEntry::SettingEntry(SettingsPage *sub, StringID title)
00909 {
00910   this->flags = SEF_SUBTREE_KIND;
00911   this->level = 0;
00912   this->d.sub.page = sub;
00913   this->d.sub.folded = true;
00914   this->d.sub.title = title;
00915 }
00916 
00922 void SettingEntry::Init(byte level, bool last_field)
00923 {
00924   this->level = level;
00925   if (last_field) this->flags |= SEF_LAST_FIELD;
00926 
00927   switch (this->flags & SEF_KIND_MASK) {
00928     case SEF_SETTING_KIND:
00929       this->d.entry.setting = GetSettingFromName(this->d.entry.name, &this->d.entry.index);
00930       assert(this->d.entry.setting != NULL);
00931       break;
00932     case SEF_SUBTREE_KIND:
00933       this->d.sub.page->Init(level + 1);
00934       break;
00935     default: NOT_REACHED();
00936   }
00937 }
00938 
00940 void SettingEntry::FoldAll()
00941 {
00942   switch (this->flags & SEF_KIND_MASK) {
00943     case SEF_SETTING_KIND:
00944       break;
00945 
00946     case SEF_SUBTREE_KIND:
00947       this->d.sub.folded = true;
00948       this->d.sub.page->FoldAll();
00949       break;
00950 
00951     default: NOT_REACHED();
00952   }
00953 }
00954 
00955 
00961 void SettingEntry::SetButtons(byte new_val)
00962 {
00963   assert((new_val & ~SEF_BUTTONS_MASK) == 0); // Should not touch any flags outside the buttons
00964   this->flags = (this->flags & ~SEF_BUTTONS_MASK) | new_val;
00965 }
00966 
00968 uint SettingEntry::Length() const
00969 {
00970   switch (this->flags & SEF_KIND_MASK) {
00971     case SEF_SETTING_KIND:
00972       return 1;
00973     case SEF_SUBTREE_KIND:
00974       if (this->d.sub.folded) return 1; // Only displaying the title
00975 
00976       return 1 + this->d.sub.page->Length(); // 1 extra row for the title
00977     default: NOT_REACHED();
00978   }
00979 }
00980 
00987 SettingEntry *SettingEntry::FindEntry(uint row_num, uint *cur_row)
00988 {
00989   if (row_num == *cur_row) return this;
00990 
00991   switch (this->flags & SEF_KIND_MASK) {
00992     case SEF_SETTING_KIND:
00993       (*cur_row)++;
00994       break;
00995     case SEF_SUBTREE_KIND:
00996       (*cur_row)++; // add one for row containing the title
00997       if (this->d.sub.folded) {
00998         break;
00999       }
01000 
01001       /* sub-page is visible => search it too */
01002       return this->d.sub.page->FindEntry(row_num, cur_row);
01003     default: NOT_REACHED();
01004   }
01005   return NULL;
01006 }
01007 
01034 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)
01035 {
01036   if (cur_row >= max_row) return cur_row;
01037 
01038   bool rtl = _dynlang.text_dir == TD_RTL;
01039   int offset = rtl ? -4 : 4;
01040   int level_width = rtl ? -LEVEL_WIDTH : LEVEL_WIDTH;
01041 
01042   int x = rtl ? right : left;
01043   int y = base_y;
01044   if (cur_row >= first_row) {
01045     int colour = _colour_gradient[COLOUR_ORANGE][4];
01046     y = base_y + (cur_row - first_row) * SETTING_HEIGHT; // Compute correct y start position
01047 
01048     /* Draw vertical for parent nesting levels */
01049     for (uint lvl = 0; lvl < this->level; lvl++) {
01050       if (!HasBit(parent_last, lvl)) GfxDrawLine(x + offset, y, x + offset, y + SETTING_HEIGHT - 1, colour);
01051       x += level_width;
01052     }
01053     /* draw own |- prefix */
01054     int halfway_y = y + SETTING_HEIGHT / 2;
01055     int bottom_y = (flags & SEF_LAST_FIELD) ? halfway_y : y + SETTING_HEIGHT - 1;
01056     GfxDrawLine(x + offset, y, x + offset, bottom_y, colour);
01057     /* Small horizontal line from the last vertical line */
01058     GfxDrawLine(x + offset, halfway_y, x + level_width - offset, halfway_y, colour);
01059     x += level_width;
01060   }
01061 
01062   switch (this->flags & SEF_KIND_MASK) {
01063     case SEF_SETTING_KIND:
01064       if (cur_row >= first_row) {
01065         DrawSetting(settings_ptr, this->d.entry.setting, rtl ? left : x, rtl ? x : right, y, this->flags & SEF_BUTTONS_MASK);
01066       }
01067       cur_row++;
01068       break;
01069     case SEF_SUBTREE_KIND:
01070       if (cur_row >= first_row) {
01071         DrawSprite((this->d.sub.folded ? SPR_CIRCLE_FOLDED : SPR_CIRCLE_UNFOLDED), PAL_NONE, rtl ? x - 8 : x, y + (SETTING_HEIGHT - 11) / 2);
01072         DrawString(rtl ? left : x + 12, rtl ? x - 12 : right, y, this->d.sub.title);
01073       }
01074       cur_row++;
01075       if (!this->d.sub.folded) {
01076         if (this->flags & SEF_LAST_FIELD) {
01077           assert(this->level < sizeof(parent_last));
01078           SetBit(parent_last, this->level); // Add own last-field state
01079         }
01080 
01081         cur_row = this->d.sub.page->Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last);
01082       }
01083       break;
01084     default: NOT_REACHED();
01085   }
01086   return cur_row;
01087 }
01088 
01089 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd)
01090 {
01091   if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
01092     if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
01093       return GetVariableAddress(&Company::Get(_local_company)->settings, &sd->save);
01094     } else {
01095       return GetVariableAddress(&_settings_client.company, &sd->save);
01096     }
01097   } else {
01098     return GetVariableAddress(settings_ptr, &sd->save);
01099   }
01100 }
01101 
01111 void SettingEntry::DrawSetting(GameSettings *settings_ptr, const SettingDesc *sd, int left, int right, int y, int state)
01112 {
01113   const SettingDescBase *sdb = &sd->desc;
01114   const void *var = ResolveVariableAddress(settings_ptr, sd);
01115   bool editable = true;
01116   bool disabled = false;
01117 
01118   bool rtl = _dynlang.text_dir == TD_RTL;
01119   uint buttons_left = rtl ? right - 19 : left;
01120   uint text_left  = left + (rtl ? 0 : 25);
01121   uint text_right = right - (rtl ? 25 : 0);
01122   uint button_y = y + (SETTING_HEIGHT - 11) / 2;
01123 
01124   /* We do not allow changes of some items when we are a client in a networkgame */
01125   if (!(sd->save.conv & SLF_NETWORK_NO) && _networking && !_network_server && !(sdb->flags & SGF_PER_COMPANY)) editable = false;
01126   if ((sdb->flags & SGF_NETWORK_ONLY) && !_networking) editable = false;
01127   if ((sdb->flags & SGF_NO_NETWORK) && _networking) editable = false;
01128 
01129   if (sdb->cmd == SDT_BOOLX) {
01130     static const Colours _bool_ctabs[2][2] = {{COLOUR_CREAM, COLOUR_RED}, {COLOUR_DARK_GREEN, COLOUR_GREEN}};
01131     /* Draw checkbox for boolean-value either on/off */
01132     bool on = (*(bool*)var);
01133 
01134     DrawFrameRect(buttons_left, button_y, buttons_left + 19, button_y + 8, _bool_ctabs[!!on][!!editable], on ? FR_LOWERED : FR_NONE);
01135     SetDParam(0, on ? STR_CONFIG_SETTING_ON : STR_CONFIG_SETTING_OFF);
01136   } else {
01137     int32 value;
01138 
01139     value = (int32)ReadValue(var, sd->save.conv);
01140 
01141     /* Draw [<][>] boxes for settings of an integer-type */
01142     DrawArrowButtons(buttons_left, button_y, COLOUR_YELLOW, state, editable && value != (sdb->flags & SGF_0ISDISABLED ? 0 : sdb->min), editable && (uint32)value != sdb->max);
01143 
01144     disabled = (value == 0) && (sdb->flags & SGF_0ISDISABLED);
01145     if (disabled) {
01146       SetDParam(0, STR_CONFIG_SETTING_DISABLED);
01147     } else {
01148       if (sdb->flags & SGF_CURRENCY) {
01149         SetDParam(0, STR_JUST_CURRENCY);
01150       } else if (sdb->flags & SGF_MULTISTRING) {
01151         SetDParam(0, sdb->str - sdb->min + value + 1);
01152       } else {
01153         SetDParam(0, (sdb->flags & SGF_NOCOMMA) ? STR_JUST_INT : STR_JUST_COMMA);
01154       }
01155       SetDParam(1, value);
01156     }
01157   }
01158   DrawString(text_left, text_right, y, (sdb->str) + disabled);
01159 }
01160 
01161 
01162 /* == SettingsPage methods == */
01163 
01168 void SettingsPage::Init(byte level)
01169 {
01170   for (uint field = 0; field < this->num; field++) {
01171     this->entries[field].Init(level, field + 1 == num);
01172   }
01173 }
01174 
01176 void SettingsPage::FoldAll()
01177 {
01178   for (uint field = 0; field < this->num; field++) {
01179     this->entries[field].FoldAll();
01180   }
01181 }
01182 
01184 uint SettingsPage::Length() const
01185 {
01186   uint length = 0;
01187   for (uint field = 0; field < this->num; field++) {
01188     length += this->entries[field].Length();
01189   }
01190   return length;
01191 }
01192 
01199 SettingEntry *SettingsPage::FindEntry(uint row_num, uint *cur_row) const
01200 {
01201   SettingEntry *pe = NULL;
01202 
01203   for (uint field = 0; field < this->num; field++) {
01204     pe = this->entries[field].FindEntry(row_num, cur_row);
01205     if (pe != NULL) {
01206       break;
01207     }
01208   }
01209   return pe;
01210 }
01211 
01229 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
01230 {
01231   if (cur_row >= max_row) return cur_row;
01232 
01233   for (uint i = 0; i < this->num; i++) {
01234     cur_row = this->entries[i].Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last);
01235     if (cur_row >= max_row) {
01236       break;
01237     }
01238   }
01239   return cur_row;
01240 }
01241 
01242 
01243 static SettingEntry _settings_ui_display[] = {
01244   SettingEntry("gui.vehicle_speed"),
01245   SettingEntry("gui.status_long_date"),
01246   SettingEntry("gui.date_format_in_default_names"),
01247   SettingEntry("gui.population_in_label"),
01248   SettingEntry("gui.measure_tooltip"),
01249   SettingEntry("gui.loading_indicators"),
01250   SettingEntry("gui.liveries"),
01251   SettingEntry("gui.show_track_reservation"),
01252   SettingEntry("gui.expenses_layout"),
01253 };
01255 static SettingsPage _settings_ui_display_page = {_settings_ui_display, lengthof(_settings_ui_display)};
01256 
01257 static SettingEntry _settings_ui_interaction[] = {
01258   SettingEntry("gui.window_snap_radius"),
01259   SettingEntry("gui.window_soft_limit"),
01260   SettingEntry("gui.link_terraform_toolbar"),
01261   SettingEntry("gui.prefer_teamchat"),
01262   SettingEntry("gui.autoscroll"),
01263   SettingEntry("gui.reverse_scroll"),
01264   SettingEntry("gui.smooth_scroll"),
01265   SettingEntry("gui.left_mouse_btn_scrolling"),
01266   /* While the horizontal scrollwheel scrolling is written as general code, only
01267    *  the cocoa (OSX) driver generates input for it.
01268    *  Since it's also able to completely disable the scrollwheel will we display it on all platforms anyway */
01269   SettingEntry("gui.scrollwheel_scrolling"),
01270   SettingEntry("gui.scrollwheel_multiplier"),
01271 #ifdef __APPLE__
01272   /* We might need to emulate a right mouse button on mac */
01273   SettingEntry("gui.right_mouse_btn_emulation"),
01274 #endif
01275 };
01277 static SettingsPage _settings_ui_interaction_page = {_settings_ui_interaction, lengthof(_settings_ui_interaction)};
01278 
01279 static SettingEntry _settings_ui[] = {
01280   SettingEntry(&_settings_ui_display_page, STR_CONFIG_SETTING_DISPLAY_OPTIONS),
01281   SettingEntry(&_settings_ui_interaction_page, STR_CONFIG_SETTING_INTERACTION),
01282   SettingEntry("gui.show_finances"),
01283   SettingEntry("gui.errmsg_duration"),
01284   SettingEntry("gui.toolbar_pos"),
01285   SettingEntry("gui.pause_on_newgame"),
01286   SettingEntry("gui.advanced_vehicle_list"),
01287   SettingEntry("gui.timetable_in_ticks"),
01288   SettingEntry("gui.timetable_arrival_departure"),
01289   SettingEntry("gui.quick_goto"),
01290   SettingEntry("gui.default_rail_type"),
01291   SettingEntry("gui.always_build_infrastructure"),
01292   SettingEntry("gui.persistent_buildingtools"),
01293   SettingEntry("gui.coloured_news_year"),
01294 };
01296 static SettingsPage _settings_ui_page = {_settings_ui, lengthof(_settings_ui)};
01297 
01298 static SettingEntry _settings_construction_signals[] = {
01299   SettingEntry("construction.signal_side"),
01300   SettingEntry("gui.enable_signal_gui"),
01301   SettingEntry("gui.drag_signals_density"),
01302   SettingEntry("gui.semaphore_build_before"),
01303   SettingEntry("gui.default_signal_type"),
01304   SettingEntry("gui.cycle_signal_types"),
01305 };
01307 static SettingsPage _settings_construction_signals_page = {_settings_construction_signals, lengthof(_settings_construction_signals)};
01308 
01309 static SettingEntry _settings_construction[] = {
01310   SettingEntry(&_settings_construction_signals_page, STR_CONFIG_SETTING_CONSTRUCTION_SIGNALS),
01311   SettingEntry("construction.build_on_slopes"),
01312   SettingEntry("construction.autoslope"),
01313   SettingEntry("construction.extra_dynamite"),
01314   SettingEntry("construction.longbridges"),
01315   SettingEntry("station.never_expire_airports"),
01316   SettingEntry("construction.freeform_edges"),
01317   SettingEntry("construction.extra_tree_placement"),
01318 };
01320 static SettingsPage _settings_construction_page = {_settings_construction, lengthof(_settings_construction)};
01321 
01322 static SettingEntry _settings_stations_cargo[] = {
01323   SettingEntry("order.improved_load"),
01324   SettingEntry("order.gradual_loading"),
01325   SettingEntry("order.selectgoods"),
01326 };
01328 static SettingsPage _settings_stations_cargo_page = {_settings_stations_cargo, lengthof(_settings_stations_cargo)};
01329 
01330 static SettingEntry _settings_stations[] = {
01331   SettingEntry(&_settings_stations_cargo_page, STR_CONFIG_SETTING_STATIONS_CARGOHANDLING),
01332   SettingEntry("station.join_stations"),
01333   SettingEntry("station.nonuniform_stations"),
01334   SettingEntry("station.adjacent_stations"),
01335   SettingEntry("station.distant_join_stations"),
01336   SettingEntry("station.station_spread"),
01337   SettingEntry("economy.station_noise_level"),
01338   SettingEntry("station.modified_catchment"),
01339   SettingEntry("construction.road_stop_on_town_road"),
01340   SettingEntry("construction.road_stop_on_competitor_road"),
01341 };
01343 static SettingsPage _settings_stations_page = {_settings_stations, lengthof(_settings_stations)};
01344 
01345 static SettingEntry _settings_economy_towns[] = {
01346   SettingEntry("economy.bribe"),
01347   SettingEntry("economy.exclusive_rights"),
01348   SettingEntry("economy.town_layout"),
01349   SettingEntry("economy.allow_town_roads"),
01350   SettingEntry("economy.found_town"),
01351   SettingEntry("economy.mod_road_rebuild"),
01352   SettingEntry("economy.town_growth_rate"),
01353   SettingEntry("economy.larger_towns"),
01354   SettingEntry("economy.initial_city_size"),
01355 };
01357 static SettingsPage _settings_economy_towns_page = {_settings_economy_towns, lengthof(_settings_economy_towns)};
01358 
01359 static SettingEntry _settings_economy_industries[] = {
01360   SettingEntry("construction.raw_industry_construction"),
01361   SettingEntry("economy.multiple_industry_per_town"),
01362   SettingEntry("economy.same_industry_close"),
01363   SettingEntry("game_creation.oil_refinery_limit"),
01364 };
01366 static SettingsPage _settings_economy_industries_page = {_settings_economy_industries, lengthof(_settings_economy_industries)};
01367 
01368 static SettingEntry _settings_economy[] = {
01369   SettingEntry(&_settings_economy_towns_page, STR_CONFIG_SETTING_ECONOMY_TOWNS),
01370   SettingEntry(&_settings_economy_industries_page, STR_CONFIG_SETTING_ECONOMY_INDUSTRIES),
01371   SettingEntry("economy.inflation"),
01372   SettingEntry("economy.smooth_economy"),
01373   SettingEntry("economy.feeder_payment_share"),
01374 };
01376 static SettingsPage _settings_economy_page = {_settings_economy, lengthof(_settings_economy)};
01377 
01378 static SettingEntry _settings_ai_npc[] = {
01379   SettingEntry("ai.ai_in_multiplayer"),
01380   SettingEntry("ai.ai_disable_veh_train"),
01381   SettingEntry("ai.ai_disable_veh_roadveh"),
01382   SettingEntry("ai.ai_disable_veh_aircraft"),
01383   SettingEntry("ai.ai_disable_veh_ship"),
01384   SettingEntry("ai.ai_max_opcode_till_suspend"),
01385 };
01387 static SettingsPage _settings_ai_npc_page = {_settings_ai_npc, lengthof(_settings_ai_npc)};
01388 
01389 static SettingEntry _settings_ai[] = {
01390   SettingEntry(&_settings_ai_npc_page, STR_CONFIG_SETTING_AI_NPC),
01391   SettingEntry("economy.give_money"),
01392   SettingEntry("economy.allow_shares"),
01393 };
01395 static SettingsPage _settings_ai_page = {_settings_ai, lengthof(_settings_ai)};
01396 
01397 static SettingEntry _settings_vehicles_routing[] = {
01398   SettingEntry("pf.pathfinder_for_trains"),
01399   SettingEntry("pf.forbid_90_deg"),
01400   SettingEntry("pf.pathfinder_for_roadvehs"),
01401   SettingEntry("pf.roadveh_queue"),
01402   SettingEntry("pf.pathfinder_for_ships"),
01403 };
01405 static SettingsPage _settings_vehicles_routing_page = {_settings_vehicles_routing, lengthof(_settings_vehicles_routing)};
01406 
01407 static SettingEntry _settings_vehicles_autorenew[] = {
01408   SettingEntry("company.engine_renew"),
01409   SettingEntry("company.engine_renew_months"),
01410   SettingEntry("company.engine_renew_money"),
01411 };
01413 static SettingsPage _settings_vehicles_autorenew_page = {_settings_vehicles_autorenew, lengthof(_settings_vehicles_autorenew)};
01414 
01415 static SettingEntry _settings_vehicles_servicing[] = {
01416   SettingEntry("vehicle.servint_ispercent"),
01417   SettingEntry("vehicle.servint_trains"),
01418   SettingEntry("vehicle.servint_roadveh"),
01419   SettingEntry("vehicle.servint_ships"),
01420   SettingEntry("vehicle.servint_aircraft"),
01421   SettingEntry("order.no_servicing_if_no_breakdowns"),
01422   SettingEntry("order.serviceathelipad"),
01423 };
01425 static SettingsPage _settings_vehicles_servicing_page = {_settings_vehicles_servicing, lengthof(_settings_vehicles_servicing)};
01426 
01427 static SettingEntry _settings_vehicles_trains[] = {
01428   SettingEntry("vehicle.train_acceleration_model"),
01429   SettingEntry("vehicle.train_slope_steepness"),
01430   SettingEntry("vehicle.mammoth_trains"),
01431   SettingEntry("gui.lost_train_warn"),
01432   SettingEntry("vehicle.wagon_speed_limits"),
01433   SettingEntry("vehicle.disable_elrails"),
01434   SettingEntry("vehicle.freight_trains"),
01435   SettingEntry("gui.stop_location"),
01436 };
01438 static SettingsPage _settings_vehicles_trains_page = {_settings_vehicles_trains, lengthof(_settings_vehicles_trains)};
01439 
01440 static SettingEntry _settings_vehicles[] = {
01441   SettingEntry(&_settings_vehicles_routing_page, STR_CONFIG_SETTING_VEHICLES_ROUTING),
01442   SettingEntry(&_settings_vehicles_autorenew_page, STR_CONFIG_SETTING_VEHICLES_AUTORENEW),
01443   SettingEntry(&_settings_vehicles_servicing_page, STR_CONFIG_SETTING_VEHICLES_SERVICING),
01444   SettingEntry(&_settings_vehicles_trains_page, STR_CONFIG_SETTING_VEHICLES_TRAINS),
01445   SettingEntry("order.gotodepot"),
01446   SettingEntry("gui.new_nonstop"),
01447   SettingEntry("gui.order_review_system"),
01448   SettingEntry("gui.vehicle_income_warn"),
01449   SettingEntry("vehicle.never_expire_vehicles"),
01450   SettingEntry("vehicle.max_trains"),
01451   SettingEntry("vehicle.max_roadveh"),
01452   SettingEntry("vehicle.max_aircraft"),
01453   SettingEntry("vehicle.max_ships"),
01454   SettingEntry("vehicle.plane_speed"),
01455   SettingEntry("order.timetabling"),
01456   SettingEntry("vehicle.dynamic_engines"),
01457 };
01459 static SettingsPage _settings_vehicles_page = {_settings_vehicles, lengthof(_settings_vehicles)};
01460 
01461 static SettingEntry _settings_main[] = {
01462   SettingEntry(&_settings_ui_page,           STR_CONFIG_SETTING_GUI),
01463   SettingEntry(&_settings_construction_page, STR_CONFIG_SETTING_CONSTRUCTION),
01464   SettingEntry(&_settings_vehicles_page,     STR_CONFIG_SETTING_VEHICLES),
01465   SettingEntry(&_settings_stations_page,     STR_CONFIG_SETTING_STATIONS),
01466   SettingEntry(&_settings_economy_page,      STR_CONFIG_SETTING_ECONOMY),
01467   SettingEntry(&_settings_ai_page,           STR_CONFIG_SETTING_AI),
01468 };
01469 
01471 static SettingsPage _settings_main_page = {_settings_main, lengthof(_settings_main)};
01472 
01474 enum GameSettingsWidgets {
01475   SETTINGSEL_OPTIONSPANEL, 
01476   SETTINGSEL_SCROLLBAR,    
01477 };
01478 
01479 struct GameSettingsWindow : Window {
01480   static const int SETTINGTREE_LEFT_OFFSET   = 5; 
01481   static const int SETTINGTREE_RIGHT_OFFSET  = 5; 
01482   static const int SETTINGTREE_TOP_OFFSET    = 5; 
01483   static const int SETTINGTREE_BOTTOM_OFFSET = 5; 
01484 
01485   static GameSettings *settings_ptr;  
01486 
01487   SettingEntry *valuewindow_entry; 
01488   SettingEntry *clicked_entry; 
01489 
01490   GameSettingsWindow(const WindowDesc *desc) : Window()
01491   {
01492     static bool first_time = true;
01493 
01494     settings_ptr = (_game_mode == GM_MENU) ? &_settings_newgame : &_settings_game;
01495 
01496     /* Build up the dynamic settings-array only once per OpenTTD session */
01497     if (first_time) {
01498       _settings_main_page.Init();
01499       first_time = false;
01500     } else {
01501       _settings_main_page.FoldAll(); // Close all sub-pages
01502     }
01503 
01504     this->valuewindow_entry = NULL; // No setting entry for which a entry window is opened
01505     this->clicked_entry = NULL; // No numeric setting buttons are depressed
01506 
01507     this->InitNested(desc, 0);
01508 
01509     this->vscroll.SetCount(_settings_main_page.Length());
01510   }
01511 
01512   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01513   {
01514     if (widget != SETTINGSEL_OPTIONSPANEL) return;
01515 
01516     resize->height = SETTING_HEIGHT = max(11, FONT_HEIGHT_NORMAL + 1);
01517     resize->width  = 1;
01518 
01519     size->height = 5 * resize->height + SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET;
01520   }
01521 
01522   virtual void DrawWidget(const Rect &r, int widget) const
01523   {
01524     if (widget != SETTINGSEL_OPTIONSPANEL) return;
01525 
01526     _settings_main_page.Draw(settings_ptr, r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, r.top + SETTINGTREE_TOP_OFFSET,
01527         this->vscroll.GetPosition(), this->vscroll.GetPosition() + this->vscroll.GetCapacity());
01528   }
01529 
01530   virtual void OnPaint()
01531   {
01532     this->DrawWidgets();
01533   }
01534 
01535   virtual void OnClick(Point pt, int widget)
01536   {
01537     if (widget != SETTINGSEL_OPTIONSPANEL) return;
01538 
01539     int y = pt.y - this->GetWidget<NWidgetBase>(widget)->pos_y - SETTINGTREE_TOP_OFFSET;  // Shift y coordinate
01540     if (y < 0) return;  // Clicked above first entry
01541 
01542     byte btn = this->vscroll.GetPosition() + y / this->resize.step_height;  // Compute which setting is selected
01543     if (y % this->resize.step_height > this->resize.step_height - 2) return;  // Clicked too low at the setting
01544 
01545     uint cur_row = 0;
01546     SettingEntry *pe = _settings_main_page.FindEntry(btn, &cur_row);
01547 
01548     if (pe == NULL) return;  // Clicked below the last setting of the page
01549 
01550     int x = (_dynlang.text_dir == TD_RTL ? this->width - pt.x : pt.x) - SETTINGTREE_LEFT_OFFSET - (pe->level + 1) * LEVEL_WIDTH;  // Shift x coordinate
01551     if (x < 0) return;  // Clicked left of the entry
01552 
01553     if ((pe->flags & SEF_KIND_MASK) == SEF_SUBTREE_KIND) {
01554       pe->d.sub.folded = !pe->d.sub.folded; // Flip 'folded'-ness of the sub-page
01555 
01556       this->vscroll.SetCount(_settings_main_page.Length());
01557       this->SetDirty();
01558       return;
01559     }
01560 
01561     assert((pe->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
01562     const SettingDesc *sd = pe->d.entry.setting;
01563 
01564     /* return if action is only active in network, or only settable by server */
01565     if (!(sd->save.conv & SLF_NETWORK_NO) && _networking && !_network_server && !(sd->desc.flags & SGF_PER_COMPANY)) return;
01566     if ((sd->desc.flags & SGF_NETWORK_ONLY) && !_networking) return;
01567     if ((sd->desc.flags & SGF_NO_NETWORK) && _networking) return;
01568 
01569     const void *var = ResolveVariableAddress(settings_ptr, sd);
01570     int32 value = (int32)ReadValue(var, sd->save.conv);
01571 
01572     /* clicked on the icon on the left side. Either scroller or bool on/off */
01573     if (x < 21) {
01574       const SettingDescBase *sdb = &sd->desc;
01575       int32 oldvalue = value;
01576 
01577       switch (sdb->cmd) {
01578         case SDT_BOOLX: value ^= 1; break;
01579         case SDT_ONEOFMANY:
01580         case SDT_NUMX: {
01581           /* Add a dynamic step-size to the scroller. In a maximum of
01582            * 50-steps you should be able to get from min to max,
01583            * unless specified otherwise in the 'interval' variable
01584            * of the current setting. */
01585           uint32 step = (sdb->interval == 0) ? ((sdb->max - sdb->min) / 50) : sdb->interval;
01586           if (step == 0) step = 1;
01587 
01588           /* don't allow too fast scrolling */
01589           if ((this->flags4 & WF_TIMEOUT_MASK) > WF_TIMEOUT_TRIGGER) {
01590             _left_button_clicked = false;
01591             return;
01592           }
01593 
01594           /* Increase or decrease the value and clamp it to extremes */
01595           if (x >= 10) {
01596             value += step;
01597             if (sdb->min < 0) {
01598               assert((int32)sdb->max >= 0);
01599               if (value > (int32)sdb->max) value = (int32)sdb->max;
01600             } else {
01601               if ((uint32)value > sdb->max) value = (int32)sdb->max;
01602             }
01603             if (value < sdb->min) value = sdb->min; // skip between "disabled" and minimum
01604           } else {
01605             value -= step;
01606             if (value < sdb->min) value = (sdb->flags & SGF_0ISDISABLED) ? 0 : sdb->min;
01607           }
01608 
01609           /* Set up scroller timeout for numeric values */
01610           if (value != oldvalue && !(sd->desc.flags & SGF_MULTISTRING)) {
01611             if (this->clicked_entry != NULL) { // Release previous buttons if any
01612               this->clicked_entry->SetButtons(0);
01613             }
01614             this->clicked_entry = pe;
01615             this->clicked_entry->SetButtons((x >= 10) != (_dynlang.text_dir == TD_RTL) ? SEF_RIGHT_DEPRESSED : SEF_LEFT_DEPRESSED);
01616             this->flags4 |= WF_TIMEOUT_BEGIN;
01617             _left_button_clicked = false;
01618           }
01619         } break;
01620 
01621         default: NOT_REACHED();
01622       }
01623 
01624       if (value != oldvalue) {
01625         if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
01626           SetCompanySetting(pe->d.entry.index, value);
01627         } else {
01628           SetSettingValue(pe->d.entry.index, value);
01629         }
01630         this->SetDirty();
01631       }
01632     } else {
01633       /* only open editbox for types that its sensible for */
01634       if (sd->desc.cmd != SDT_BOOLX && !(sd->desc.flags & SGF_MULTISTRING)) {
01635         /* Show the correct currency-translated value */
01636         if (sd->desc.flags & SGF_CURRENCY) value *= _currency->rate;
01637 
01638         this->valuewindow_entry = pe;
01639         SetDParam(0, value);
01640         ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, 100, this, CS_NUMERAL, QSF_NONE);
01641       }
01642     }
01643   }
01644 
01645   virtual void OnTimeout()
01646   {
01647     if (this->clicked_entry != NULL) { // On timeout, release any depressed buttons
01648       this->clicked_entry->SetButtons(0);
01649       this->clicked_entry = NULL;
01650       this->SetDirty();
01651     }
01652   }
01653 
01654   virtual void OnQueryTextFinished(char *str)
01655   {
01656     if (!StrEmpty(str)) {
01657       assert(this->valuewindow_entry != NULL);
01658       assert((this->valuewindow_entry->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
01659       const SettingDesc *sd = this->valuewindow_entry->d.entry.setting;
01660       int32 value = atoi(str);
01661 
01662       /* Save the correct currency-translated value */
01663       if (sd->desc.flags & SGF_CURRENCY) value /= _currency->rate;
01664 
01665       if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
01666         SetCompanySetting(this->valuewindow_entry->d.entry.index, value);
01667       } else {
01668         SetSettingValue(this->valuewindow_entry->d.entry.index, value);
01669       }
01670       this->SetDirty();
01671     }
01672   }
01673 
01674   virtual void OnResize()
01675   {
01676     this->vscroll.SetCapacityFromWidget(this, SETTINGSEL_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET);
01677   }
01678 };
01679 
01680 GameSettings *GameSettingsWindow::settings_ptr = NULL;
01681 
01682 static const NWidgetPart _nested_settings_selection_widgets[] = {
01683   NWidget(NWID_HORIZONTAL),
01684     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
01685     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_CONFIG_SETTING_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01686   EndContainer(),
01687   NWidget(NWID_HORIZONTAL),
01688     NWidget(WWT_PANEL, COLOUR_MAUVE, SETTINGSEL_OPTIONSPANEL), SetMinimalSize(400, 174), EndContainer(),
01689     NWidget(NWID_VERTICAL),
01690       NWidget(WWT_SCROLLBAR, COLOUR_MAUVE, SETTINGSEL_SCROLLBAR),
01691       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
01692     EndContainer(),
01693   EndContainer(),
01694 };
01695 
01696 static const WindowDesc _settings_selection_desc(
01697   WDP_CENTER, 450, 397,
01698   WC_GAME_OPTIONS, WC_NONE,
01699   0,
01700   _nested_settings_selection_widgets, lengthof(_nested_settings_selection_widgets)
01701 );
01702 
01703 void ShowGameSettings()
01704 {
01705   DeleteWindowById(WC_GAME_OPTIONS, 0);
01706   new GameSettingsWindow(&_settings_selection_desc);
01707 }
01708 
01709 
01719 void DrawArrowButtons(int x, int y, Colours button_colour, byte state, bool clickable_left, bool clickable_right)
01720 {
01721   int colour = _colour_gradient[button_colour][2];
01722 
01723   DrawFrameRect(x,      y + 1, x +  9, y + 9, button_colour, (state == 1) ? FR_LOWERED : FR_NONE);
01724   DrawFrameRect(x + 10, y + 1, x + 19, y + 9, button_colour, (state == 2) ? FR_LOWERED : FR_NONE);
01725   DrawSprite(SPR_ARROW_LEFT, PAL_NONE, x + WD_IMGBTN_LEFT, y + WD_IMGBTN_TOP);
01726   DrawSprite(SPR_ARROW_RIGHT, PAL_NONE, x + WD_IMGBTN_LEFT + 10, y + WD_IMGBTN_TOP);
01727 
01728   /* Grey out the buttons that aren't clickable */
01729   bool rtl = _dynlang.text_dir == TD_RTL;
01730   if (rtl ? !clickable_right : !clickable_left) {
01731     GfxFillRect(x +  1, y + 1, x +  1 + 8, y + 8, colour, FILLRECT_CHECKER);
01732   }
01733   if (rtl ? !clickable_left : !clickable_right) {
01734     GfxFillRect(x + 11, y + 1, x + 11 + 8, y + 8, colour, FILLRECT_CHECKER);
01735   }
01736 }
01737 
01739 enum CustomCurrencyWidgets {
01740   CUSTCURR_RATE_DOWN,
01741   CUSTCURR_RATE_UP,
01742   CUSTCURR_RATE,
01743   CUSTCURR_SEPARATOR_EDIT,
01744   CUSTCURR_SEPARATOR,
01745   CUSTCURR_PREFIX_EDIT,
01746   CUSTCURR_PREFIX,
01747   CUSTCURR_SUFFIX_EDIT,
01748   CUSTCURR_SUFFIX,
01749   CUSTCURR_YEAR_DOWN,
01750   CUSTCURR_YEAR_UP,
01751   CUSTCURR_YEAR,
01752   CUSTCURR_PREVIEW,
01753 };
01754 
01755 struct CustomCurrencyWindow : Window {
01756   int query_widget;
01757 
01758   CustomCurrencyWindow(const WindowDesc *desc) : Window()
01759   {
01760     this->InitNested(desc);
01761 
01762     SetButtonState();
01763   }
01764 
01765   void SetButtonState()
01766   {
01767     this->SetWidgetDisabledState(CUSTCURR_RATE_DOWN, _custom_currency.rate == 1);
01768     this->SetWidgetDisabledState(CUSTCURR_RATE_UP, _custom_currency.rate == UINT16_MAX);
01769     this->SetWidgetDisabledState(CUSTCURR_YEAR_DOWN, _custom_currency.to_euro == CF_NOEURO);
01770     this->SetWidgetDisabledState(CUSTCURR_YEAR_UP, _custom_currency.to_euro == MAX_YEAR);
01771   }
01772 
01773   virtual void SetStringParameters(int widget) const
01774   {
01775     switch (widget) {
01776       case CUSTCURR_RATE:      SetDParam(0, 1); SetDParam(1, 1);            break;
01777       case CUSTCURR_SEPARATOR: SetDParamStr(0, _custom_currency.separator); break;
01778       case CUSTCURR_PREFIX:    SetDParamStr(0, _custom_currency.prefix);    break;
01779       case CUSTCURR_SUFFIX:    SetDParamStr(0, _custom_currency.suffix);    break;
01780       case CUSTCURR_YEAR:
01781         SetDParam(0, (_custom_currency.to_euro != CF_NOEURO) ? STR_CURRENCY_SWITCH_TO_EURO : STR_CURRENCY_SWITCH_TO_EURO_NEVER);
01782         SetDParam(1, _custom_currency.to_euro);
01783         break;
01784 
01785       case CUSTCURR_PREVIEW:
01786         SetDParam(0, 10000);
01787         break;
01788     }
01789   }
01790 
01791   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01792   {
01793     switch (widget) {
01794       /* Set the appropriate width for the edit 'buttons' */
01795       case CUSTCURR_SEPARATOR_EDIT:
01796       case CUSTCURR_PREFIX_EDIT:
01797       case CUSTCURR_SUFFIX_EDIT:
01798         size->width  = this->GetWidget<NWidgetBase>(CUSTCURR_RATE_DOWN)->smallest_x + this->GetWidget<NWidgetBase>(CUSTCURR_RATE_UP)->smallest_x;
01799         break;
01800 
01801       /* Make sure the window is wide enough for the widest exchange rate */
01802       case CUSTCURR_RATE:
01803         SetDParam(0, 1);
01804         SetDParam(1, INT32_MAX);
01805         *size = GetStringBoundingBox(STR_CURRENCY_EXCHANGE_RATE);
01806         break;
01807     }
01808   }
01809 
01810   virtual void OnPaint()
01811   {
01812     this->DrawWidgets();
01813   }
01814 
01815   virtual void OnClick(Point pt, int widget)
01816   {
01817     int line = 0;
01818     int len = 0;
01819     StringID str = 0;
01820     CharSetFilter afilter = CS_ALPHANUMERAL;
01821 
01822     switch (widget) {
01823       case CUSTCURR_RATE_DOWN:
01824         if (_custom_currency.rate > 1) _custom_currency.rate--;
01825         if (_custom_currency.rate == 1) this->DisableWidget(CUSTCURR_RATE_DOWN);
01826         this->EnableWidget(CUSTCURR_RATE_UP);
01827         break;
01828 
01829       case CUSTCURR_RATE_UP:
01830         if (_custom_currency.rate < UINT16_MAX) _custom_currency.rate++;
01831         if (_custom_currency.rate == UINT16_MAX) this->DisableWidget(CUSTCURR_RATE_UP);
01832         this->EnableWidget(CUSTCURR_RATE_DOWN);
01833         break;
01834 
01835       case CUSTCURR_RATE:
01836         SetDParam(0, _custom_currency.rate);
01837         str = STR_JUST_INT;
01838         len = 5;
01839         line = CUSTCURR_RATE;
01840         afilter = CS_NUMERAL;
01841         break;
01842 
01843       case CUSTCURR_SEPARATOR_EDIT:
01844       case CUSTCURR_SEPARATOR:
01845         SetDParamStr(0, _custom_currency.separator);
01846         str = STR_JUST_RAW_STRING;
01847         len = 1;
01848         line = CUSTCURR_SEPARATOR;
01849         break;
01850 
01851       case CUSTCURR_PREFIX_EDIT:
01852       case CUSTCURR_PREFIX:
01853         SetDParamStr(0, _custom_currency.prefix);
01854         str = STR_JUST_RAW_STRING;
01855         len = 12;
01856         line = CUSTCURR_PREFIX;
01857         break;
01858 
01859       case CUSTCURR_SUFFIX_EDIT:
01860       case CUSTCURR_SUFFIX:
01861         SetDParamStr(0, _custom_currency.suffix);
01862         str = STR_JUST_RAW_STRING;
01863         len = 12;
01864         line = CUSTCURR_SUFFIX;
01865         break;
01866 
01867       case CUSTCURR_YEAR_DOWN:
01868         _custom_currency.to_euro = (_custom_currency.to_euro <= 2000) ? CF_NOEURO : _custom_currency.to_euro - 1;
01869         if (_custom_currency.to_euro == CF_NOEURO) this->DisableWidget(CUSTCURR_YEAR_DOWN);
01870         this->EnableWidget(CUSTCURR_YEAR_UP);
01871         break;
01872 
01873       case CUSTCURR_YEAR_UP:
01874         _custom_currency.to_euro = Clamp(_custom_currency.to_euro + 1, 2000, MAX_YEAR);
01875         if (_custom_currency.to_euro == MAX_YEAR) this->DisableWidget(CUSTCURR_YEAR_UP);
01876         this->EnableWidget(CUSTCURR_YEAR_DOWN);
01877         break;
01878 
01879       case CUSTCURR_YEAR:
01880         SetDParam(0, _custom_currency.to_euro);
01881         str = STR_JUST_INT;
01882         len = 7;
01883         line = CUSTCURR_YEAR;
01884         afilter = CS_NUMERAL;
01885         break;
01886     }
01887 
01888     if (len != 0) {
01889       this->query_widget = line;
01890       ShowQueryString(str, STR_CURRENCY_CHANGE_PARAMETER, len + 1, 250, this, afilter, QSF_NONE);
01891     }
01892 
01893     this->flags4 |= WF_TIMEOUT_BEGIN;
01894     this->SetDirty();
01895   }
01896 
01897   virtual void OnQueryTextFinished(char *str)
01898   {
01899     if (str == NULL) return;
01900 
01901     switch (this->query_widget) {
01902       case CUSTCURR_RATE:
01903         _custom_currency.rate = Clamp(atoi(str), 1, UINT16_MAX);
01904         break;
01905 
01906       case CUSTCURR_SEPARATOR: // Thousands seperator
01907         strecpy(_custom_currency.separator, str, lastof(_custom_currency.separator));
01908         break;
01909 
01910       case CUSTCURR_PREFIX:
01911         strecpy(_custom_currency.prefix, str, lastof(_custom_currency.prefix));
01912         break;
01913 
01914       case CUSTCURR_SUFFIX:
01915         strecpy(_custom_currency.suffix, str, lastof(_custom_currency.suffix));
01916         break;
01917 
01918       case CUSTCURR_YEAR: { // Year to switch to euro
01919         int val = atoi(str);
01920 
01921         _custom_currency.to_euro = (val < 2000 ? CF_NOEURO : min(val, MAX_YEAR));
01922         break;
01923       }
01924     }
01925     MarkWholeScreenDirty();
01926     SetButtonState();
01927   }
01928 
01929   virtual void OnTimeout()
01930   {
01931     this->SetDirty();
01932   }
01933 };
01934 
01935 static const NWidgetPart _nested_cust_currency_widgets[] = {
01936   NWidget(NWID_HORIZONTAL),
01937     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
01938     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CURRENCY_WINDOW, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
01939   EndContainer(),
01940   NWidget(WWT_PANEL, COLOUR_GREY),
01941     NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(7, 3, 0),
01942       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01943         NWidget(NWID_BUTTON_ARROW, COLOUR_YELLOW, CUSTCURR_RATE_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_EXCHANGE_RATE_TOOLTIP),
01944         NWidget(NWID_BUTTON_ARROW, COLOUR_YELLOW, CUSTCURR_RATE_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_EXCHANGE_RATE_TOOLTIP),
01945         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01946         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_RATE), SetDataTip(STR_CURRENCY_EXCHANGE_RATE, STR_CURRENCY_SET_EXCHANGE_RATE_TOOLTIP), SetFill(1, 0),
01947       EndContainer(),
01948       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01949         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_SEPARATOR_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(0, 1),
01950         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01951         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_SEPARATOR), SetDataTip(STR_CURRENCY_SEPARATOR, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(1, 0),
01952       EndContainer(),
01953       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01954         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_PREFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(0, 1),
01955         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01956         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_PREFIX), SetDataTip(STR_CURRENCY_PREFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(1, 0),
01957       EndContainer(),
01958       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01959         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, CUSTCURR_SUFFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(0, 1),
01960         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01961         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_SUFFIX), SetDataTip(STR_CURRENCY_SUFFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(1, 0),
01962       EndContainer(),
01963       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
01964         NWidget(NWID_BUTTON_ARROW, COLOUR_YELLOW, CUSTCURR_YEAR_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
01965         NWidget(NWID_BUTTON_ARROW, COLOUR_YELLOW, CUSTCURR_YEAR_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
01966         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
01967         NWidget(WWT_TEXT, COLOUR_BLUE, CUSTCURR_YEAR), SetDataTip(STR_JUST_STRING, STR_CURRENCY_SET_CUSTOM_CURRENCY_TO_EURO_TOOLTIP), SetFill(1, 0),
01968       EndContainer(),
01969     EndContainer(),
01970     NWidget(WWT_LABEL, COLOUR_BLUE, CUSTCURR_PREVIEW),
01971                 SetDataTip(STR_CURRENCY_PREVIEW, STR_CURRENCY_CUSTOM_CURRENCY_PREVIEW_TOOLTIP), SetPadding(15, 1, 18, 2),
01972   EndContainer(),
01973 };
01974 
01975 static const WindowDesc _cust_currency_desc(
01976   WDP_CENTER, 0, 0,
01977   WC_CUSTOM_CURRENCY, WC_NONE,
01978   WDF_UNCLICK_BUTTONS,
01979   _nested_cust_currency_widgets, lengthof(_nested_cust_currency_widgets)
01980 );
01981 
01982 static void ShowCustCurrency()
01983 {
01984   DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
01985   new CustomCurrencyWindow(&_cust_currency_desc);
01986 }

Generated on Wed Jan 20 23:38:39 2010 for OpenTTD by  doxygen 1.5.6