settings_gui.cpp

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00001 /* $Id: settings_gui.cpp 26209 2014-01-02 22:41:58Z 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 "error.h"
00015 #include "settings_gui.h"
00016 #include "textbuf_gui.h"
00017 #include "command_func.h"
00018 #include "screenshot.h"
00019 #include "network/network.h"
00020 #include "town.h"
00021 #include "settings_internal.h"
00022 #include "newgrf_townname.h"
00023 #include "strings_func.h"
00024 #include "window_func.h"
00025 #include "string_func.h"
00026 #include "widgets/dropdown_type.h"
00027 #include "widgets/dropdown_func.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 "blitter/factory.hpp"
00036 #include "language.h"
00037 #include "textfile_gui.h"
00038 #include "stringfilter_type.h"
00039 #include "querystring_gui.h"
00040 
00041 
00042 static const StringID _driveside_dropdown[] = {
00043   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT,
00044   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_RIGHT,
00045   INVALID_STRING_ID
00046 };
00047 
00048 static const StringID _autosave_dropdown[] = {
00049   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_OFF,
00050   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_1_MONTH,
00051   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_3_MONTHS,
00052   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_6_MONTHS,
00053   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_12_MONTHS,
00054   INVALID_STRING_ID,
00055 };
00056 
00057 int _nb_orig_names = SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1; 
00058 static StringID *_grf_names = NULL; 
00059 static int _nb_grf_names = 0;       
00060 
00061 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd);
00062 
00064 void InitGRFTownGeneratorNames()
00065 {
00066   free(_grf_names);
00067   _grf_names = GetGRFTownNameList();
00068   _nb_grf_names = 0;
00069   for (StringID *s = _grf_names; *s != INVALID_STRING_ID; s++) _nb_grf_names++;
00070 }
00071 
00077 static inline StringID TownName(int town_name)
00078 {
00079   if (town_name < _nb_orig_names) return STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + town_name;
00080   town_name -= _nb_orig_names;
00081   if (town_name < _nb_grf_names) return _grf_names[town_name];
00082   return STR_UNDEFINED;
00083 }
00084 
00089 static int GetCurRes()
00090 {
00091   int i;
00092 
00093   for (i = 0; i != _num_resolutions; i++) {
00094     if ((int)_resolutions[i].width == _screen.width &&
00095         (int)_resolutions[i].height == _screen.height) {
00096       break;
00097     }
00098   }
00099   return i;
00100 }
00101 
00102 static void ShowCustCurrency();
00103 
00104 template <class T>
00105 static DropDownList *BuiltSetDropDownList(int *selected_index)
00106 {
00107   int n = T::GetNumSets();
00108   *selected_index = T::GetIndexOfUsedSet();
00109 
00110   DropDownList *list = new DropDownList();
00111   for (int i = 0; i < n; i++) {
00112     *list->Append() = new DropDownListCharStringItem(T::GetSet(i)->name, i, (_game_mode == GM_MENU) ? false : (*selected_index != i));
00113   }
00114 
00115   return list;
00116 }
00117 
00119 template <class TBaseSet>
00120 struct BaseSetTextfileWindow : public TextfileWindow {
00121   const TBaseSet* baseset; 
00122   StringID content_type;   
00123 
00124   BaseSetTextfileWindow(TextfileType file_type, const TBaseSet* baseset, StringID content_type) : TextfileWindow(file_type), baseset(baseset), content_type(content_type)
00125   {
00126     const char *textfile = this->baseset->GetTextfile(file_type);
00127     this->LoadTextfile(textfile, BASESET_DIR);
00128   }
00129 
00130   /* virtual */ void SetStringParameters(int widget) const
00131   {
00132     if (widget == WID_TF_CAPTION) {
00133       SetDParam(0, content_type);
00134       SetDParamStr(1, this->baseset->name);
00135     }
00136   }
00137 };
00138 
00145 template <class TBaseSet>
00146 void ShowBaseSetTextfileWindow(TextfileType file_type, const TBaseSet* baseset, StringID content_type)
00147 {
00148   DeleteWindowByClass(WC_TEXTFILE);
00149   new BaseSetTextfileWindow<TBaseSet>(file_type, baseset, content_type);
00150 }
00151 
00152 struct GameOptionsWindow : Window {
00153   GameSettings *opt;
00154   bool reload;
00155 
00156   GameOptionsWindow(WindowDesc *desc) : Window(desc)
00157   {
00158     this->opt = &GetGameSettings();
00159     this->reload = false;
00160 
00161     this->InitNested(WN_GAME_OPTIONS_GAME_OPTIONS);
00162     this->OnInvalidateData(0);
00163   }
00164 
00165   ~GameOptionsWindow()
00166   {
00167     DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
00168     if (this->reload) _switch_mode = SM_MENU;
00169   }
00170 
00177   DropDownList *BuildDropDownList(int widget, int *selected_index) const
00178   {
00179     DropDownList *list = NULL;
00180     switch (widget) {
00181       case WID_GO_CURRENCY_DROPDOWN: { // Setup currencies dropdown
00182         list = new DropDownList();
00183         *selected_index = this->opt->locale.currency;
00184         StringID *items = BuildCurrencyDropdown();
00185         uint64 disabled = _game_mode == GM_MENU ? 0LL : ~GetMaskOfAllowedCurrencies();
00186 
00187         /* Add non-custom currencies; sorted naturally */
00188         for (uint i = 0; i < CURRENCY_END; items++, i++) {
00189           if (i == CURRENCY_CUSTOM) continue;
00190           *list->Append() = new DropDownListStringItem(*items, i, HasBit(disabled, i));
00191         }
00192         QSortT(list->Begin(), list->Length(), DropDownListStringItem::NatSortFunc);
00193 
00194         /* Append custom currency at the end */
00195         *list->Append() = new DropDownListItem(-1, false); // separator line
00196         *list->Append() = new DropDownListStringItem(STR_GAME_OPTIONS_CURRENCY_CUSTOM, CURRENCY_CUSTOM, HasBit(disabled, CURRENCY_CUSTOM));
00197         break;
00198       }
00199 
00200       case WID_GO_ROADSIDE_DROPDOWN: { // Setup road-side dropdown
00201         list = new DropDownList();
00202         *selected_index = this->opt->vehicle.road_side;
00203         const StringID *items = _driveside_dropdown;
00204         uint disabled = 0;
00205 
00206         /* You can only change the drive side if you are in the menu or ingame with
00207          * no vehicles present. In a networking game only the server can change it */
00208         extern bool RoadVehiclesAreBuilt();
00209         if ((_game_mode != GM_MENU && RoadVehiclesAreBuilt()) || (_networking && !_network_server)) {
00210           disabled = ~(1 << this->opt->vehicle.road_side); // disable the other value
00211         }
00212 
00213         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
00214           *list->Append() = new DropDownListStringItem(*items, i, HasBit(disabled, i));
00215         }
00216         break;
00217       }
00218 
00219       case WID_GO_TOWNNAME_DROPDOWN: { // Setup townname dropdown
00220         list = new DropDownList();
00221         *selected_index = this->opt->game_creation.town_name;
00222 
00223         int enabled_item = (_game_mode == GM_MENU || Town::GetNumItems() == 0) ? -1 : *selected_index;
00224 
00225         /* Add and sort newgrf townnames generators */
00226         for (int i = 0; i < _nb_grf_names; i++) {
00227           int result = _nb_orig_names + i;
00228           *list->Append() = new DropDownListStringItem(_grf_names[i], result, enabled_item != result && enabled_item >= 0);
00229         }
00230         QSortT(list->Begin(), list->Length(), DropDownListStringItem::NatSortFunc);
00231 
00232         int newgrf_size = list->Length();
00233         /* Insert newgrf_names at the top of the list */
00234         if (newgrf_size > 0) {
00235           *list->Append() = new DropDownListItem(-1, false); // separator line
00236           newgrf_size++;
00237         }
00238 
00239         /* Add and sort original townnames generators */
00240         for (int i = 0; i < _nb_orig_names; i++) {
00241           *list->Append() = new DropDownListStringItem(STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + i, i, enabled_item != i && enabled_item >= 0);
00242         }
00243         QSortT(list->Begin() + newgrf_size, list->Length() - newgrf_size, DropDownListStringItem::NatSortFunc);
00244         break;
00245       }
00246 
00247       case WID_GO_AUTOSAVE_DROPDOWN: { // Setup autosave dropdown
00248         list = new DropDownList();
00249         *selected_index = _settings_client.gui.autosave;
00250         const StringID *items = _autosave_dropdown;
00251         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
00252           *list->Append() = new DropDownListStringItem(*items, i, false);
00253         }
00254         break;
00255       }
00256 
00257       case WID_GO_LANG_DROPDOWN: { // Setup interface language dropdown
00258         list = new DropDownList();
00259         for (uint i = 0; i < _languages.Length(); i++) {
00260           if (&_languages[i] == _current_language) *selected_index = i;
00261           *list->Append() = new DropDownListStringItem(SPECSTR_LANGUAGE_START + i, i, false);
00262         }
00263         QSortT(list->Begin(), list->Length(), DropDownListStringItem::NatSortFunc);
00264         break;
00265       }
00266 
00267       case WID_GO_RESOLUTION_DROPDOWN: // Setup resolution dropdown
00268         list = new DropDownList();
00269         *selected_index = GetCurRes();
00270         for (int i = 0; i < _num_resolutions; i++) {
00271           *list->Append() = new DropDownListStringItem(SPECSTR_RESOLUTION_START + i, i, false);
00272         }
00273         break;
00274 
00275       case WID_GO_SCREENSHOT_DROPDOWN: // Setup screenshot format dropdown
00276         list = new DropDownList();
00277         *selected_index = _cur_screenshot_format;
00278         for (uint i = 0; i < _num_screenshot_formats; i++) {
00279           if (!GetScreenshotFormatSupports_32bpp(i) && BlitterFactory::GetCurrentBlitter()->GetScreenDepth() == 32) continue;
00280           *list->Append() = new DropDownListStringItem(SPECSTR_SCREENSHOT_START + i, i, false);
00281         }
00282         break;
00283 
00284       case WID_GO_BASE_GRF_DROPDOWN:
00285         list = BuiltSetDropDownList<BaseGraphics>(selected_index);
00286         break;
00287 
00288       case WID_GO_BASE_SFX_DROPDOWN:
00289         list = BuiltSetDropDownList<BaseSounds>(selected_index);
00290         break;
00291 
00292       case WID_GO_BASE_MUSIC_DROPDOWN:
00293         list = BuiltSetDropDownList<BaseMusic>(selected_index);
00294         break;
00295 
00296       default:
00297         return NULL;
00298     }
00299 
00300     return list;
00301   }
00302 
00303   virtual void SetStringParameters(int widget) const
00304   {
00305     switch (widget) {
00306       case WID_GO_CURRENCY_DROPDOWN:   SetDParam(0, _currency_specs[this->opt->locale.currency].name); break;
00307       case WID_GO_ROADSIDE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT + this->opt->vehicle.road_side); break;
00308       case WID_GO_TOWNNAME_DROPDOWN:   SetDParam(0, TownName(this->opt->game_creation.town_name)); break;
00309       case WID_GO_AUTOSAVE_DROPDOWN:   SetDParam(0, _autosave_dropdown[_settings_client.gui.autosave]); break;
00310       case WID_GO_LANG_DROPDOWN:       SetDParamStr(0, _current_language->own_name); break;
00311       case WID_GO_RESOLUTION_DROPDOWN: SetDParam(0, GetCurRes() == _num_resolutions ? STR_GAME_OPTIONS_RESOLUTION_OTHER : SPECSTR_RESOLUTION_START + GetCurRes()); break;
00312       case WID_GO_SCREENSHOT_DROPDOWN: SetDParam(0, SPECSTR_SCREENSHOT_START + _cur_screenshot_format); break;
00313       case WID_GO_BASE_GRF_DROPDOWN:   SetDParamStr(0, BaseGraphics::GetUsedSet()->name); break;
00314       case WID_GO_BASE_GRF_STATUS:     SetDParam(0, BaseGraphics::GetUsedSet()->GetNumInvalid()); break;
00315       case WID_GO_BASE_SFX_DROPDOWN:   SetDParamStr(0, BaseSounds::GetUsedSet()->name); break;
00316       case WID_GO_BASE_MUSIC_DROPDOWN: SetDParamStr(0, BaseMusic::GetUsedSet()->name); break;
00317       case WID_GO_BASE_MUSIC_STATUS:   SetDParam(0, BaseMusic::GetUsedSet()->GetNumInvalid()); break;
00318     }
00319   }
00320 
00321   virtual void DrawWidget(const Rect &r, int widget) const
00322   {
00323     switch (widget) {
00324       case WID_GO_BASE_GRF_DESCRIPTION:
00325         SetDParamStr(0, BaseGraphics::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
00326         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
00327         break;
00328 
00329       case WID_GO_BASE_SFX_DESCRIPTION:
00330         SetDParamStr(0, BaseSounds::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
00331         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
00332         break;
00333 
00334       case WID_GO_BASE_MUSIC_DESCRIPTION:
00335         SetDParamStr(0, BaseMusic::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
00336         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
00337         break;
00338     }
00339   }
00340 
00341   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00342   {
00343     switch (widget) {
00344       case WID_GO_BASE_GRF_DESCRIPTION:
00345         /* Find the biggest description for the default size. */
00346         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
00347           SetDParamStr(0, BaseGraphics::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
00348           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
00349         }
00350         break;
00351 
00352       case WID_GO_BASE_GRF_STATUS:
00353         /* Find the biggest description for the default size. */
00354         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
00355           uint invalid_files = BaseGraphics::GetSet(i)->GetNumInvalid();
00356           if (invalid_files == 0) continue;
00357 
00358           SetDParam(0, invalid_files);
00359           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_GRF_STATUS));
00360         }
00361         break;
00362 
00363       case WID_GO_BASE_SFX_DESCRIPTION:
00364         /* Find the biggest description for the default size. */
00365         for (int i = 0; i < BaseSounds::GetNumSets(); i++) {
00366           SetDParamStr(0, BaseSounds::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
00367           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
00368         }
00369         break;
00370 
00371       case WID_GO_BASE_MUSIC_DESCRIPTION:
00372         /* Find the biggest description for the default size. */
00373         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
00374           SetDParamStr(0, BaseMusic::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
00375           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
00376         }
00377         break;
00378 
00379       case WID_GO_BASE_MUSIC_STATUS:
00380         /* Find the biggest description for the default size. */
00381         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
00382           uint invalid_files = BaseMusic::GetSet(i)->GetNumInvalid();
00383           if (invalid_files == 0) continue;
00384 
00385           SetDParam(0, invalid_files);
00386           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_MUSIC_STATUS));
00387         }
00388         break;
00389 
00390       default: {
00391         int selected;
00392         DropDownList *list = this->BuildDropDownList(widget, &selected);
00393         if (list != NULL) {
00394           /* Find the biggest item for the default size. */
00395           for (const DropDownListItem * const *it = list->Begin(); it != list->End(); it++) {
00396             Dimension string_dim;
00397             int width = (*it)->Width();
00398             string_dim.width = width + padding.width;
00399             string_dim.height = (*it)->Height(width) + padding.height;
00400             *size = maxdim(*size, string_dim);
00401           }
00402           delete list;
00403         }
00404       }
00405     }
00406   }
00407 
00408   virtual void OnClick(Point pt, int widget, int click_count)
00409   {
00410     if (widget >= WID_GO_BASE_GRF_TEXTFILE && widget < WID_GO_BASE_GRF_TEXTFILE + TFT_END) {
00411       if (BaseGraphics::GetUsedSet() == NULL) return;
00412 
00413       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_GRF_TEXTFILE), BaseGraphics::GetUsedSet(), STR_CONTENT_TYPE_BASE_GRAPHICS);
00414       return;
00415     }
00416     if (widget >= WID_GO_BASE_SFX_TEXTFILE && widget < WID_GO_BASE_SFX_TEXTFILE + TFT_END) {
00417       if (BaseSounds::GetUsedSet() == NULL) return;
00418 
00419       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_SFX_TEXTFILE), BaseSounds::GetUsedSet(), STR_CONTENT_TYPE_BASE_SOUNDS);
00420       return;
00421     }
00422     if (widget >= WID_GO_BASE_MUSIC_TEXTFILE && widget < WID_GO_BASE_MUSIC_TEXTFILE + TFT_END) {
00423       if (BaseMusic::GetUsedSet() == NULL) return;
00424 
00425       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_MUSIC_TEXTFILE), BaseMusic::GetUsedSet(), STR_CONTENT_TYPE_BASE_MUSIC);
00426       return;
00427     }
00428     switch (widget) {
00429       case WID_GO_FULLSCREEN_BUTTON: // Click fullscreen on/off
00430         /* try to toggle full-screen on/off */
00431         if (!ToggleFullScreen(!_fullscreen)) {
00432           ShowErrorMessage(STR_ERROR_FULLSCREEN_FAILED, INVALID_STRING_ID, WL_ERROR);
00433         }
00434         this->SetWidgetLoweredState(WID_GO_FULLSCREEN_BUTTON, _fullscreen);
00435         this->SetDirty();
00436         break;
00437 
00438       default: {
00439         int selected;
00440         DropDownList *list = this->BuildDropDownList(widget, &selected);
00441         if (list != NULL) {
00442           ShowDropDownList(this, list, selected, widget);
00443         }
00444         break;
00445       }
00446     }
00447   }
00448 
00454   template <class T>
00455   void SetMediaSet(int index)
00456   {
00457     if (_game_mode == GM_MENU) {
00458       const char *name = T::GetSet(index)->name;
00459 
00460       free(T::ini_set);
00461       T::ini_set = strdup(name);
00462 
00463       T::SetSet(name);
00464       this->reload = true;
00465       this->InvalidateData();
00466     }
00467   }
00468 
00469   virtual void OnDropdownSelect(int widget, int index)
00470   {
00471     switch (widget) {
00472       case WID_GO_CURRENCY_DROPDOWN: // Currency
00473         if (index == CURRENCY_CUSTOM) ShowCustCurrency();
00474         this->opt->locale.currency = index;
00475         ReInitAllWindows();
00476         break;
00477 
00478       case WID_GO_ROADSIDE_DROPDOWN: // Road side
00479         if (this->opt->vehicle.road_side != index) { // only change if setting changed
00480           uint i;
00481           if (GetSettingFromName("vehicle.road_side", &i) == NULL) NOT_REACHED();
00482           SetSettingValue(i, index);
00483           MarkWholeScreenDirty();
00484         }
00485         break;
00486 
00487       case WID_GO_TOWNNAME_DROPDOWN: // Town names
00488         if (_game_mode == GM_MENU || Town::GetNumItems() == 0) {
00489           this->opt->game_creation.town_name = index;
00490           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_OPTIONS);
00491         }
00492         break;
00493 
00494       case WID_GO_AUTOSAVE_DROPDOWN: // Autosave options
00495         _settings_client.gui.autosave = index;
00496         this->SetDirty();
00497         break;
00498 
00499       case WID_GO_LANG_DROPDOWN: // Change interface language
00500         ReadLanguagePack(&_languages[index]);
00501         DeleteWindowByClass(WC_QUERY_STRING);
00502         CheckForMissingGlyphs();
00503         UpdateAllVirtCoords();
00504         ReInitAllWindows();
00505         break;
00506 
00507       case WID_GO_RESOLUTION_DROPDOWN: // Change resolution
00508         if (index < _num_resolutions && ChangeResInGame(_resolutions[index].width, _resolutions[index].height)) {
00509           this->SetDirty();
00510         }
00511         break;
00512 
00513       case WID_GO_SCREENSHOT_DROPDOWN: // Change screenshot format
00514         SetScreenshotFormat(index);
00515         this->SetDirty();
00516         break;
00517 
00518       case WID_GO_BASE_GRF_DROPDOWN:
00519         this->SetMediaSet<BaseGraphics>(index);
00520         break;
00521 
00522       case WID_GO_BASE_SFX_DROPDOWN:
00523         this->SetMediaSet<BaseSounds>(index);
00524         break;
00525 
00526       case WID_GO_BASE_MUSIC_DROPDOWN:
00527         this->SetMediaSet<BaseMusic>(index);
00528         break;
00529     }
00530   }
00531 
00537   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
00538   {
00539     if (!gui_scope) return;
00540     this->SetWidgetLoweredState(WID_GO_FULLSCREEN_BUTTON, _fullscreen);
00541 
00542     bool missing_files = BaseGraphics::GetUsedSet()->GetNumMissing() == 0;
00543     this->GetWidget<NWidgetCore>(WID_GO_BASE_GRF_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_GRF_STATUS, STR_NULL);
00544 
00545     for (TextfileType tft = TFT_BEGIN; tft < TFT_END; tft++) {
00546       this->SetWidgetDisabledState(WID_GO_BASE_GRF_TEXTFILE + tft, BaseGraphics::GetUsedSet() == NULL || BaseGraphics::GetUsedSet()->GetTextfile(tft) == NULL);
00547       this->SetWidgetDisabledState(WID_GO_BASE_SFX_TEXTFILE + tft, BaseSounds::GetUsedSet() == NULL || BaseSounds::GetUsedSet()->GetTextfile(tft) == NULL);
00548       this->SetWidgetDisabledState(WID_GO_BASE_MUSIC_TEXTFILE + tft, BaseMusic::GetUsedSet() == NULL || BaseMusic::GetUsedSet()->GetTextfile(tft) == NULL);
00549     }
00550 
00551     missing_files = BaseMusic::GetUsedSet()->GetNumInvalid() == 0;
00552     this->GetWidget<NWidgetCore>(WID_GO_BASE_MUSIC_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_MUSIC_STATUS, STR_NULL);
00553   }
00554 };
00555 
00556 static const NWidgetPart _nested_game_options_widgets[] = {
00557   NWidget(NWID_HORIZONTAL),
00558     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
00559     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00560   EndContainer(),
00561   NWidget(WWT_PANEL, COLOUR_GREY, WID_GO_BACKGROUND), SetPIP(6, 6, 10),
00562     NWidget(NWID_HORIZONTAL), SetPIP(10, 10, 10),
00563       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
00564         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CURRENCY_UNITS_FRAME, STR_NULL),
00565           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_CURRENCY_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_CURRENCY_UNITS_DROPDOWN_TOOLTIP), SetFill(1, 0),
00566         EndContainer(),
00567         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_ROAD_VEHICLES_FRAME, STR_NULL),
00568           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_ROADSIDE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_TOOLTIP), SetFill(1, 0),
00569         EndContainer(),
00570         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_AUTOSAVE_FRAME, STR_NULL),
00571           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_AUTOSAVE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_TOOLTIP), SetFill(1, 0),
00572         EndContainer(),
00573         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_RESOLUTION, STR_NULL),
00574           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_RESOLUTION_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_RESOLUTION_TOOLTIP), SetFill(1, 0), SetPadding(0, 0, 3, 0),
00575           NWidget(NWID_HORIZONTAL),
00576             NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_FULLSCREEN, STR_NULL),
00577             NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_FULLSCREEN_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_FULLSCREEN_TOOLTIP),
00578           EndContainer(),
00579         EndContainer(),
00580       EndContainer(),
00581 
00582       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
00583         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_TOWN_NAMES_FRAME, STR_NULL),
00584           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_TOWNNAME_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_TOWN_NAMES_DROPDOWN_TOOLTIP), SetFill(1, 0),
00585         EndContainer(),
00586         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_LANGUAGE, STR_NULL),
00587           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_LANG_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_LANGUAGE_TOOLTIP), SetFill(1, 0),
00588         EndContainer(),
00589         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_SCREENSHOT_FORMAT, STR_NULL),
00590           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_SCREENSHOT_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_SCREENSHOT_FORMAT_TOOLTIP), SetFill(1, 0),
00591         EndContainer(),
00592         NWidget(NWID_SPACER), SetMinimalSize(0, 0), SetFill(0, 1),
00593       EndContainer(),
00594     EndContainer(),
00595 
00596     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_GRF, STR_NULL), SetPadding(0, 10, 0, 10),
00597       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00598         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_GRF_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_GRF_TOOLTIP),
00599         NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_GRF_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
00600       EndContainer(),
00601       NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_GRF_DESCRIPTION), SetMinimalSize(330, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_GRF_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 6, 0),
00602       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
00603         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_GRF_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
00604         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_GRF_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
00605         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_GRF_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
00606       EndContainer(),
00607     EndContainer(),
00608 
00609     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_SFX, STR_NULL), SetPadding(0, 10, 0, 10),
00610       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00611         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_SFX_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_SFX_TOOLTIP),
00612         NWidget(NWID_SPACER), SetFill(1, 0),
00613       EndContainer(),
00614       NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_SFX_DESCRIPTION), SetMinimalSize(330, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_SFX_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 6, 0),
00615       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
00616         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_SFX_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
00617         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_SFX_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
00618         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_SFX_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
00619       EndContainer(),
00620     EndContainer(),
00621 
00622     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_MUSIC, STR_NULL), SetPadding(0, 10, 0, 10),
00623       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
00624         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_MUSIC_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_MUSIC_TOOLTIP),
00625         NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_MUSIC_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
00626       EndContainer(),
00627       NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_MUSIC_DESCRIPTION), SetMinimalSize(330, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_MUSIC_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 6, 0),
00628       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
00629         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_MUSIC_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
00630         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_MUSIC_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
00631         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_MUSIC_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
00632       EndContainer(),
00633     EndContainer(),
00634   EndContainer(),
00635 };
00636 
00637 static WindowDesc _game_options_desc(
00638   WDP_CENTER, "settings_game", 0, 0,
00639   WC_GAME_OPTIONS, WC_NONE,
00640   0,
00641   _nested_game_options_widgets, lengthof(_nested_game_options_widgets)
00642 );
00643 
00645 void ShowGameOptions()
00646 {
00647   DeleteWindowByClass(WC_GAME_OPTIONS);
00648   new GameOptionsWindow(&_game_options_desc);
00649 }
00650 
00651 static int SETTING_HEIGHT = 11;    
00652 static const int LEVEL_WIDTH = 15; 
00653 
00658 enum SettingEntryFlags {
00659   SEF_LEFT_DEPRESSED  = 0x01, 
00660   SEF_RIGHT_DEPRESSED = 0x02, 
00661   SEF_BUTTONS_MASK = (SEF_LEFT_DEPRESSED | SEF_RIGHT_DEPRESSED), 
00662 
00663   SEF_LAST_FIELD = 0x04, 
00664   SEF_FILTERED   = 0x08, 
00665 
00666   /* Entry kind */
00667   SEF_SETTING_KIND = 0x10, 
00668   SEF_SUBTREE_KIND = 0x20, 
00669   SEF_KIND_MASK    = (SEF_SETTING_KIND | SEF_SUBTREE_KIND), 
00670 };
00671 
00672 struct SettingsPage; // Forward declaration
00673 
00675 struct SettingEntrySubtree {
00676   SettingsPage *page; 
00677   bool folded;        
00678   StringID title;     
00679 };
00680 
00682 struct SettingEntrySetting {
00683   const char *name;           
00684   const SettingDesc *setting; 
00685   uint index;                 
00686 };
00687 
00689 enum RestrictionMode {
00690   RM_BASIC,                            
00691   RM_ADVANCED,                         
00692   RM_ALL,                              
00693   RM_CHANGED_AGAINST_DEFAULT,          
00694   RM_CHANGED_AGAINST_NEW,              
00695   RM_END,                              
00696 };
00697 
00699 struct SettingFilter {
00700   StringFilter string;     
00701   RestrictionMode mode;    
00702   SettingType type;       
00703 };
00704 
00706 struct SettingEntry {
00707   byte flags; 
00708   byte level; 
00709   union {
00710     SettingEntrySetting entry; 
00711     SettingEntrySubtree sub;   
00712   } d; 
00713 
00714   SettingEntry(const char *nm);
00715   SettingEntry(SettingsPage *sub, StringID title);
00716 
00717   void Init(byte level);
00718   void FoldAll();
00719   void UnFoldAll();
00720   void SetButtons(byte new_val);
00721 
00726   void SetLastField(bool last_field) { if (last_field) SETBITS(this->flags, SEF_LAST_FIELD); else CLRBITS(this->flags, SEF_LAST_FIELD); }
00727 
00728   uint Length() const;
00729   void GetFoldingState(bool &all_folded, bool &all_unfolded) const;
00730   bool IsVisible(const SettingEntry *item) const;
00731   SettingEntry *FindEntry(uint row, uint *cur_row);
00732   uint GetMaxHelpHeight(int maxw);
00733 
00734   bool IsFiltered() const;
00735   bool UpdateFilterState(SettingFilter &filter, bool force_visible);
00736 
00737   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, SettingEntry *selected);
00738 
00743   inline StringID GetHelpText()
00744   {
00745     assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
00746     return this->d.entry.setting->desc.str_help;
00747   }
00748 
00749   void SetValueDParams(uint first_param, int32 value);
00750 
00751 private:
00752   void DrawSetting(GameSettings *settings_ptr, int x, int y, int max_x, int state, bool highlight);
00753   bool IsVisibleByRestrictionMode(RestrictionMode mode) const;
00754 };
00755 
00757 struct SettingsPage {
00758   SettingEntry *entries; 
00759   byte num;              
00760 
00761   void Init(byte level = 0);
00762   void FoldAll();
00763   void UnFoldAll();
00764 
00765   uint Length() const;
00766   void GetFoldingState(bool &all_folded, bool &all_unfolded) const;
00767   bool IsVisible(const SettingEntry *item) const;
00768   SettingEntry *FindEntry(uint row, uint *cur_row) const;
00769   uint GetMaxHelpHeight(int maxw);
00770 
00771   bool UpdateFilterState(SettingFilter &filter, bool force_visible);
00772 
00773   uint Draw(GameSettings *settings_ptr, int base_x, int base_y, int max_x, uint first_row, uint max_row, SettingEntry *selected, uint cur_row = 0, uint parent_last = 0) const;
00774 };
00775 
00776 
00777 /* == SettingEntry methods == */
00778 
00783 SettingEntry::SettingEntry(const char *nm)
00784 {
00785   this->flags = SEF_SETTING_KIND;
00786   this->level = 0;
00787   this->d.entry.name = nm;
00788   this->d.entry.setting = NULL;
00789   this->d.entry.index = 0;
00790 }
00791 
00797 SettingEntry::SettingEntry(SettingsPage *sub, StringID title)
00798 {
00799   this->flags = SEF_SUBTREE_KIND;
00800   this->level = 0;
00801   this->d.sub.page = sub;
00802   this->d.sub.folded = true;
00803   this->d.sub.title = title;
00804 }
00805 
00810 void SettingEntry::Init(byte level)
00811 {
00812   this->level = level;
00813 
00814   switch (this->flags & SEF_KIND_MASK) {
00815     case SEF_SETTING_KIND:
00816       this->d.entry.setting = GetSettingFromName(this->d.entry.name, &this->d.entry.index);
00817       assert(this->d.entry.setting != NULL);
00818       break;
00819     case SEF_SUBTREE_KIND:
00820       this->d.sub.page->Init(level + 1);
00821       break;
00822     default: NOT_REACHED();
00823   }
00824 }
00825 
00827 void SettingEntry::FoldAll()
00828 {
00829   if (this->IsFiltered()) return;
00830   switch (this->flags & SEF_KIND_MASK) {
00831     case SEF_SETTING_KIND:
00832       break;
00833 
00834     case SEF_SUBTREE_KIND:
00835       this->d.sub.folded = true;
00836       this->d.sub.page->FoldAll();
00837       break;
00838 
00839     default: NOT_REACHED();
00840   }
00841 }
00842 
00844 void SettingEntry::UnFoldAll()
00845 {
00846   if (this->IsFiltered()) return;
00847   switch (this->flags & SEF_KIND_MASK) {
00848     case SEF_SETTING_KIND:
00849       break;
00850 
00851     case SEF_SUBTREE_KIND:
00852       this->d.sub.folded = false;
00853       this->d.sub.page->UnFoldAll();
00854       break;
00855 
00856     default: NOT_REACHED();
00857   }
00858 }
00859 
00865 void SettingEntry::GetFoldingState(bool &all_folded, bool &all_unfolded) const
00866 {
00867   if (this->IsFiltered()) return;
00868   switch (this->flags & SEF_KIND_MASK) {
00869     case SEF_SETTING_KIND:
00870       break;
00871 
00872     case SEF_SUBTREE_KIND:
00873       if (this->d.sub.folded) {
00874         all_unfolded = false;
00875       } else {
00876         all_folded = false;
00877       }
00878       this->d.sub.page->GetFoldingState(all_folded, all_unfolded);
00879       break;
00880 
00881     default: NOT_REACHED();
00882   }
00883 }
00884 
00891 bool SettingEntry::IsVisible(const SettingEntry *item) const
00892 {
00893   if (this->IsFiltered()) return false;
00894   if (this == item) return true;
00895 
00896   switch (this->flags & SEF_KIND_MASK) {
00897     case SEF_SETTING_KIND:
00898       return false;
00899 
00900     case SEF_SUBTREE_KIND:
00901       return !this->d.sub.folded && this->d.sub.page->IsVisible(item);
00902 
00903     default: NOT_REACHED();
00904   }
00905 }
00906 
00912 void SettingEntry::SetButtons(byte new_val)
00913 {
00914   assert((new_val & ~SEF_BUTTONS_MASK) == 0); // Should not touch any flags outside the buttons
00915   this->flags = (this->flags & ~SEF_BUTTONS_MASK) | new_val;
00916 }
00917 
00919 uint SettingEntry::Length() const
00920 {
00921   if (this->IsFiltered()) return 0;
00922   switch (this->flags & SEF_KIND_MASK) {
00923     case SEF_SETTING_KIND:
00924       return 1;
00925     case SEF_SUBTREE_KIND:
00926       if (this->d.sub.folded) return 1; // Only displaying the title
00927 
00928       return 1 + this->d.sub.page->Length(); // 1 extra row for the title
00929     default: NOT_REACHED();
00930   }
00931 }
00932 
00939 SettingEntry *SettingEntry::FindEntry(uint row_num, uint *cur_row)
00940 {
00941   if (this->IsFiltered()) return NULL;
00942   if (row_num == *cur_row) return this;
00943 
00944   switch (this->flags & SEF_KIND_MASK) {
00945     case SEF_SETTING_KIND:
00946       (*cur_row)++;
00947       break;
00948     case SEF_SUBTREE_KIND:
00949       (*cur_row)++; // add one for row containing the title
00950       if (this->d.sub.folded) {
00951         break;
00952       }
00953 
00954       /* sub-page is visible => search it too */
00955       return this->d.sub.page->FindEntry(row_num, cur_row);
00956     default: NOT_REACHED();
00957   }
00958   return NULL;
00959 }
00960 
00966 uint SettingEntry::GetMaxHelpHeight(int maxw)
00967 {
00968   switch (this->flags & SEF_KIND_MASK) {
00969     case SEF_SETTING_KIND: return GetStringHeight(this->GetHelpText(), maxw);
00970     case SEF_SUBTREE_KIND: return this->d.sub.page->GetMaxHelpHeight(maxw);
00971     default:               NOT_REACHED();
00972   }
00973 }
00974 
00979 bool SettingEntry::IsFiltered() const
00980 {
00981   return (this->flags & SEF_FILTERED) != 0;
00982 }
00983 
00989 bool SettingEntry::IsVisibleByRestrictionMode(RestrictionMode mode) const
00990 {
00991   /* There shall not be any restriction, i.e. all settings shall be visible. */
00992   if (mode == RM_ALL) return true;
00993 
00994   GameSettings *settings_ptr = &GetGameSettings();
00995   assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
00996   const SettingDesc *sd = this->d.entry.setting;
00997 
00998   if (mode == RM_BASIC) return (this->d.entry.setting->desc.cat & SC_BASIC_LIST) != 0;
00999   if (mode == RM_ADVANCED) return (this->d.entry.setting->desc.cat & SC_ADVANCED_LIST) != 0;
01000 
01001   /* Read the current value. */
01002   const void *var = ResolveVariableAddress(settings_ptr, sd);
01003   int64 current_value = ReadValue(var, sd->save.conv);
01004 
01005   int64 filter_value;
01006 
01007   if (mode == RM_CHANGED_AGAINST_DEFAULT) {
01008     /* This entry shall only be visible, if the value deviates from its default value. */
01009 
01010     /* Read the default value. */
01011     filter_value = ReadValue(&sd->desc.def, sd->save.conv);
01012   } else {
01013     assert(mode == RM_CHANGED_AGAINST_NEW);
01014     /* This entry shall only be visible, if the value deviates from
01015      * its value is used when starting a new game. */
01016 
01017     /* Make sure we're not comparing the new game settings against itself. */
01018     assert(settings_ptr != &_settings_newgame);
01019 
01020     /* Read the new game's value. */
01021     var = ResolveVariableAddress(&_settings_newgame, sd);
01022     filter_value = ReadValue(var, sd->save.conv);
01023   }
01024 
01025   return current_value != filter_value;
01026 }
01027 
01034 bool SettingEntry::UpdateFilterState(SettingFilter &filter, bool force_visible)
01035 {
01036   CLRBITS(this->flags, SEF_FILTERED);
01037 
01038   bool visible = true;
01039   switch (this->flags & SEF_KIND_MASK) {
01040     case SEF_SETTING_KIND: {
01041       const SettingDesc *sd = this->d.entry.setting;
01042       if (!force_visible && !filter.string.IsEmpty()) {
01043         /* Process the search text filter for this item. */
01044         filter.string.ResetState();
01045 
01046         const SettingDescBase *sdb = &sd->desc;
01047 
01048         SetDParam(0, STR_EMPTY);
01049         filter.string.AddLine(sdb->str);
01050         filter.string.AddLine(this->GetHelpText());
01051 
01052         visible = filter.string.GetState();
01053       }
01054       if (filter.type != ST_ALL) visible = visible && sd->GetType() == filter.type;
01055       visible = visible && this->IsVisibleByRestrictionMode(filter.mode);
01056       break;
01057     }
01058     case SEF_SUBTREE_KIND: {
01059       if (!force_visible && !filter.string.IsEmpty()) {
01060         filter.string.ResetState();
01061         filter.string.AddLine(this->d.sub.title);
01062         force_visible = filter.string.GetState();
01063       }
01064       visible = this->d.sub.page->UpdateFilterState(filter, force_visible);
01065       break;
01066     }
01067     default: NOT_REACHED();
01068   }
01069 
01070   if (!visible) SETBITS(this->flags, SEF_FILTERED);
01071   return visible;
01072 }
01073 
01074 
01075 
01103 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, SettingEntry *selected)
01104 {
01105   if (this->IsFiltered()) return cur_row;
01106   if (cur_row >= max_row) return cur_row;
01107 
01108   bool rtl = _current_text_dir == TD_RTL;
01109   int offset = rtl ? -4 : 4;
01110   int level_width = rtl ? -LEVEL_WIDTH : LEVEL_WIDTH;
01111 
01112   int x = rtl ? right : left;
01113   int y = base_y;
01114   if (cur_row >= first_row) {
01115     int colour = _colour_gradient[COLOUR_ORANGE][4];
01116     y = base_y + (cur_row - first_row) * SETTING_HEIGHT; // Compute correct y start position
01117 
01118     /* Draw vertical for parent nesting levels */
01119     for (uint lvl = 0; lvl < this->level; lvl++) {
01120       if (!HasBit(parent_last, lvl)) GfxDrawLine(x + offset, y, x + offset, y + SETTING_HEIGHT - 1, colour);
01121       x += level_width;
01122     }
01123     /* draw own |- prefix */
01124     int halfway_y = y + SETTING_HEIGHT / 2;
01125     int bottom_y = (flags & SEF_LAST_FIELD) ? halfway_y : y + SETTING_HEIGHT - 1;
01126     GfxDrawLine(x + offset, y, x + offset, bottom_y, colour);
01127     /* Small horizontal line from the last vertical line */
01128     GfxDrawLine(x + offset, halfway_y, x + level_width - offset, halfway_y, colour);
01129     x += level_width;
01130   }
01131 
01132   switch (this->flags & SEF_KIND_MASK) {
01133     case SEF_SETTING_KIND:
01134       if (cur_row >= first_row) {
01135         this->DrawSetting(settings_ptr, rtl ? left : x, rtl ? x : right, y, this->flags & SEF_BUTTONS_MASK,
01136             this == selected);
01137       }
01138       cur_row++;
01139       break;
01140     case SEF_SUBTREE_KIND:
01141       if (cur_row >= first_row) {
01142         DrawSprite((this->d.sub.folded ? SPR_CIRCLE_FOLDED : SPR_CIRCLE_UNFOLDED), PAL_NONE, rtl ? x - 8 : x, y + (SETTING_HEIGHT - 11) / 2);
01143         DrawString(rtl ? left : x + 12, rtl ? x - 12 : right, y, this->d.sub.title);
01144       }
01145       cur_row++;
01146       if (!this->d.sub.folded) {
01147         if (this->flags & SEF_LAST_FIELD) {
01148           assert(this->level < sizeof(parent_last));
01149           SetBit(parent_last, this->level); // Add own last-field state
01150         }
01151 
01152         cur_row = this->d.sub.page->Draw(settings_ptr, left, right, base_y, first_row, max_row, selected, cur_row, parent_last);
01153       }
01154       break;
01155     default: NOT_REACHED();
01156   }
01157   return cur_row;
01158 }
01159 
01160 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd)
01161 {
01162   if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
01163     if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
01164       return GetVariableAddress(&Company::Get(_local_company)->settings, &sd->save);
01165     } else {
01166       return GetVariableAddress(&_settings_client.company, &sd->save);
01167     }
01168   } else {
01169     return GetVariableAddress(settings_ptr, &sd->save);
01170   }
01171 }
01172 
01178 void SettingEntry::SetValueDParams(uint first_param, int32 value)
01179 {
01180   assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
01181   const SettingDescBase *sdb = &this->d.entry.setting->desc;
01182   if (sdb->cmd == SDT_BOOLX) {
01183     SetDParam(first_param++, value != 0 ? STR_CONFIG_SETTING_ON : STR_CONFIG_SETTING_OFF);
01184   } else {
01185     if ((sdb->flags & SGF_MULTISTRING) != 0) {
01186       SetDParam(first_param++, sdb->str_val - sdb->min + value);
01187     } else if ((sdb->flags & SGF_DISPLAY_ABS) != 0) {
01188       SetDParam(first_param++, sdb->str_val + ((value >= 0) ? 1 : 0));
01189       value = abs(value);
01190     } else {
01191       SetDParam(first_param++, sdb->str_val + ((value == 0 && (sdb->flags & SGF_0ISDISABLED) != 0) ? 1 : 0));
01192     }
01193     SetDParam(first_param++, value);
01194   }
01195 }
01196 
01206 void SettingEntry::DrawSetting(GameSettings *settings_ptr, int left, int right, int y, int state, bool highlight)
01207 {
01208   const SettingDesc *sd = this->d.entry.setting;
01209   const SettingDescBase *sdb = &sd->desc;
01210   const void *var = ResolveVariableAddress(settings_ptr, sd);
01211 
01212   bool rtl = _current_text_dir == TD_RTL;
01213   uint buttons_left = rtl ? right + 1 - SETTING_BUTTON_WIDTH : left;
01214   uint text_left  = left + (rtl ? 0 : SETTING_BUTTON_WIDTH + 5);
01215   uint text_right = right - (rtl ? SETTING_BUTTON_WIDTH + 5 : 0);
01216   uint button_y = y + (SETTING_HEIGHT - SETTING_BUTTON_HEIGHT) / 2;
01217 
01218   /* We do not allow changes of some items when we are a client in a networkgame */
01219   bool editable = sd->IsEditable();
01220 
01221   SetDParam(0, highlight ? STR_ORANGE_STRING1_WHITE : STR_ORANGE_STRING1_LTBLUE);
01222   int32 value = (int32)ReadValue(var, sd->save.conv);
01223   if (sdb->cmd == SDT_BOOLX) {
01224     /* Draw checkbox for boolean-value either on/off */
01225     DrawBoolButton(buttons_left, button_y, value != 0, editable);
01226   } else if ((sdb->flags & SGF_MULTISTRING) != 0) {
01227     /* Draw [v] button for settings of an enum-type */
01228     DrawDropDownButton(buttons_left, button_y, COLOUR_YELLOW, state != 0, editable);
01229   } else {
01230     /* Draw [<][>] boxes for settings of an integer-type */
01231     DrawArrowButtons(buttons_left, button_y, COLOUR_YELLOW, state,
01232         editable && value != (sdb->flags & SGF_0ISDISABLED ? 0 : sdb->min), editable && (uint32)value != sdb->max);
01233   }
01234   this->SetValueDParams(1, value);
01235   DrawString(text_left, text_right, y, sdb->str, highlight ? TC_WHITE : TC_LIGHT_BLUE);
01236 }
01237 
01238 
01239 /* == SettingsPage methods == */
01240 
01245 void SettingsPage::Init(byte level)
01246 {
01247   for (uint field = 0; field < this->num; field++) {
01248     this->entries[field].Init(level);
01249   }
01250 }
01251 
01253 void SettingsPage::FoldAll()
01254 {
01255   for (uint field = 0; field < this->num; field++) {
01256     this->entries[field].FoldAll();
01257   }
01258 }
01259 
01261 void SettingsPage::UnFoldAll()
01262 {
01263   for (uint field = 0; field < this->num; field++) {
01264     this->entries[field].UnFoldAll();
01265   }
01266 }
01267 
01273 void SettingsPage::GetFoldingState(bool &all_folded, bool &all_unfolded) const
01274 {
01275   for (uint field = 0; field < this->num; field++) {
01276     this->entries[field].GetFoldingState(all_folded, all_unfolded);
01277   }
01278 }
01279 
01286 bool SettingsPage::UpdateFilterState(SettingFilter &filter, bool force_visible)
01287 {
01288   bool visible = false;
01289   bool first_visible = true;
01290   for (int field = this->num - 1; field >= 0; field--) {
01291     visible |= this->entries[field].UpdateFilterState(filter, force_visible);
01292     this->entries[field].SetLastField(first_visible);
01293     if (visible && first_visible) first_visible = false;
01294   }
01295   return visible;
01296 }
01297 
01298 
01305 bool SettingsPage::IsVisible(const SettingEntry *item) const
01306 {
01307   for (uint field = 0; field < this->num; field++) {
01308     if (this->entries[field].IsVisible(item)) return true;
01309   }
01310   return false;
01311 }
01312 
01314 uint SettingsPage::Length() const
01315 {
01316   uint length = 0;
01317   for (uint field = 0; field < this->num; field++) {
01318     length += this->entries[field].Length();
01319   }
01320   return length;
01321 }
01322 
01329 SettingEntry *SettingsPage::FindEntry(uint row_num, uint *cur_row) const
01330 {
01331   SettingEntry *pe = NULL;
01332 
01333   for (uint field = 0; field < this->num; field++) {
01334     pe = this->entries[field].FindEntry(row_num, cur_row);
01335     if (pe != NULL) {
01336       break;
01337     }
01338   }
01339   return pe;
01340 }
01341 
01347 uint SettingsPage::GetMaxHelpHeight(int maxw)
01348 {
01349   uint biggest = 0;
01350   for (uint field = 0; field < this->num; field++) {
01351     biggest = max(biggest, this->entries[field].GetMaxHelpHeight(maxw));
01352   }
01353   return biggest;
01354 }
01355 
01374 uint SettingsPage::Draw(GameSettings *settings_ptr, int left, int right, int base_y, uint first_row, uint max_row, SettingEntry *selected, uint cur_row, uint parent_last) const
01375 {
01376   if (cur_row >= max_row) return cur_row;
01377 
01378   for (uint i = 0; i < this->num; i++) {
01379     cur_row = this->entries[i].Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last, selected);
01380     if (cur_row >= max_row) {
01381       break;
01382     }
01383   }
01384   return cur_row;
01385 }
01386 
01387 
01388 static SettingEntry _settings_ui_localisation[] = {
01389   SettingEntry("locale.units_velocity"),
01390   SettingEntry("locale.units_power"),
01391   SettingEntry("locale.units_weight"),
01392   SettingEntry("locale.units_volume"),
01393   SettingEntry("locale.units_force"),
01394   SettingEntry("locale.units_height"),
01395 };
01397 static SettingsPage _settings_ui_localisation_page = {_settings_ui_localisation, lengthof(_settings_ui_localisation)};
01398 
01399 static SettingEntry _settings_ui_display[] = {
01400   SettingEntry("gui.date_format_in_default_names"),
01401   SettingEntry("gui.population_in_label"),
01402   SettingEntry("gui.measure_tooltip"),
01403   SettingEntry("gui.loading_indicators"),
01404   SettingEntry("gui.liveries"),
01405   SettingEntry("gui.show_track_reservation"),
01406   SettingEntry("gui.expenses_layout"),
01407   SettingEntry("gui.smallmap_land_colour"),
01408   SettingEntry("gui.zoom_min"),
01409   SettingEntry("gui.zoom_max"),
01410   SettingEntry("gui.graph_line_thickness"),
01411 };
01413 static SettingsPage _settings_ui_display_page = {_settings_ui_display, lengthof(_settings_ui_display)};
01414 
01415 static SettingEntry _settings_ui_interaction[] = {
01416   SettingEntry("gui.window_snap_radius"),
01417   SettingEntry("gui.window_soft_limit"),
01418   SettingEntry("gui.link_terraform_toolbar"),
01419   SettingEntry("gui.prefer_teamchat"),
01420   SettingEntry("gui.auto_scrolling"),
01421   SettingEntry("gui.reverse_scroll"),
01422   SettingEntry("gui.smooth_scroll"),
01423   SettingEntry("gui.left_mouse_btn_scrolling"),
01424   /* While the horizontal scrollwheel scrolling is written as general code, only
01425    *  the cocoa (OSX) driver generates input for it.
01426    *  Since it's also able to completely disable the scrollwheel will we display it on all platforms anyway */
01427   SettingEntry("gui.scrollwheel_scrolling"),
01428   SettingEntry("gui.scrollwheel_multiplier"),
01429   SettingEntry("gui.osk_activation"),
01430 #ifdef __APPLE__
01431   /* We might need to emulate a right mouse button on mac */
01432   SettingEntry("gui.right_mouse_btn_emulation"),
01433 #endif
01434 };
01436 static SettingsPage _settings_ui_interaction_page = {_settings_ui_interaction, lengthof(_settings_ui_interaction)};
01437 
01438 static SettingEntry _settings_ui_sound[] = {
01439   SettingEntry("sound.click_beep"),
01440   SettingEntry("sound.confirm"),
01441   SettingEntry("sound.news_ticker"),
01442   SettingEntry("sound.news_full"),
01443   SettingEntry("sound.new_year"),
01444   SettingEntry("sound.disaster"),
01445   SettingEntry("sound.vehicle"),
01446   SettingEntry("sound.ambient"),
01447 };
01449 static SettingsPage _settings_ui_sound_page = {_settings_ui_sound, lengthof(_settings_ui_sound)};
01450 
01451 static SettingEntry _settings_ui_news[] = {
01452   SettingEntry("news_display.arrival_player"),
01453   SettingEntry("news_display.arrival_other"),
01454   SettingEntry("news_display.accident"),
01455   SettingEntry("news_display.company_info"),
01456   SettingEntry("news_display.open"),
01457   SettingEntry("news_display.close"),
01458   SettingEntry("news_display.economy"),
01459   SettingEntry("news_display.production_player"),
01460   SettingEntry("news_display.production_other"),
01461   SettingEntry("news_display.production_nobody"),
01462   SettingEntry("news_display.advice"),
01463   SettingEntry("news_display.new_vehicles"),
01464   SettingEntry("news_display.acceptance"),
01465   SettingEntry("news_display.subsidies"),
01466   SettingEntry("news_display.general"),
01467   SettingEntry("gui.coloured_news_year"),
01468 };
01470 static SettingsPage _settings_ui_news_page = {_settings_ui_news, lengthof(_settings_ui_news)};
01471 
01472 static SettingEntry _settings_ui[] = {
01473   SettingEntry(&_settings_ui_localisation_page, STR_CONFIG_SETTING_LOCALISATION),
01474   SettingEntry(&_settings_ui_display_page, STR_CONFIG_SETTING_DISPLAY_OPTIONS),
01475   SettingEntry(&_settings_ui_interaction_page, STR_CONFIG_SETTING_INTERACTION),
01476   SettingEntry(&_settings_ui_sound_page, STR_CONFIG_SETTING_SOUND),
01477   SettingEntry(&_settings_ui_news_page, STR_CONFIG_SETTING_NEWS),
01478   SettingEntry("gui.show_finances"),
01479   SettingEntry("gui.errmsg_duration"),
01480   SettingEntry("gui.hover_delay"),
01481   SettingEntry("gui.toolbar_pos"),
01482   SettingEntry("gui.statusbar_pos"),
01483   SettingEntry("gui.newgrf_default_palette"),
01484   SettingEntry("gui.pause_on_newgame"),
01485   SettingEntry("gui.advanced_vehicle_list"),
01486   SettingEntry("gui.timetable_in_ticks"),
01487   SettingEntry("gui.timetable_arrival_departure"),
01488   SettingEntry("gui.quick_goto"),
01489   SettingEntry("gui.default_rail_type"),
01490   SettingEntry("gui.disable_unsuitable_building"),
01491   SettingEntry("gui.persistent_buildingtools"),
01492 };
01494 static SettingsPage _settings_ui_page = {_settings_ui, lengthof(_settings_ui)};
01495 
01496 static SettingEntry _settings_construction_signals[] = {
01497   SettingEntry("construction.train_signal_side"),
01498   SettingEntry("gui.enable_signal_gui"),
01499   SettingEntry("gui.drag_signals_fixed_distance"),
01500   SettingEntry("gui.semaphore_build_before"),
01501   SettingEntry("gui.default_signal_type"),
01502   SettingEntry("gui.cycle_signal_types"),
01503 };
01505 static SettingsPage _settings_construction_signals_page = {_settings_construction_signals, lengthof(_settings_construction_signals)};
01506 
01507 static SettingEntry _settings_construction[] = {
01508   SettingEntry(&_settings_construction_signals_page, STR_CONFIG_SETTING_CONSTRUCTION_SIGNALS),
01509   SettingEntry("construction.build_on_slopes"),
01510   SettingEntry("construction.autoslope"),
01511   SettingEntry("construction.extra_dynamite"),
01512   SettingEntry("construction.max_bridge_length"),
01513   SettingEntry("construction.max_tunnel_length"),
01514   SettingEntry("station.never_expire_airports"),
01515   SettingEntry("construction.freeform_edges"),
01516   SettingEntry("construction.extra_tree_placement"),
01517   SettingEntry("construction.command_pause_level"),
01518 };
01520 static SettingsPage _settings_construction_page = {_settings_construction, lengthof(_settings_construction)};
01521 
01522 static SettingEntry _settings_stations_cargo[] = {
01523   SettingEntry("order.improved_load"),
01524   SettingEntry("order.gradual_loading"),
01525   SettingEntry("order.selectgoods"),
01526 };
01528 static SettingsPage _settings_stations_cargo_page = {_settings_stations_cargo, lengthof(_settings_stations_cargo)};
01529 
01530 static SettingEntry _settings_stations[] = {
01531   SettingEntry(&_settings_stations_cargo_page, STR_CONFIG_SETTING_STATIONS_CARGOHANDLING),
01532   SettingEntry("station.adjacent_stations"),
01533   SettingEntry("station.distant_join_stations"),
01534   SettingEntry("station.station_spread"),
01535   SettingEntry("economy.station_noise_level"),
01536   SettingEntry("station.modified_catchment"),
01537   SettingEntry("construction.road_stop_on_town_road"),
01538   SettingEntry("construction.road_stop_on_competitor_road"),
01539 };
01541 static SettingsPage _settings_stations_page = {_settings_stations, lengthof(_settings_stations)};
01542 
01543 static SettingEntry _settings_economy_towns[] = {
01544   SettingEntry("difficulty.town_council_tolerance"),
01545   SettingEntry("economy.bribe"),
01546   SettingEntry("economy.exclusive_rights"),
01547   SettingEntry("economy.fund_roads"),
01548   SettingEntry("economy.fund_buildings"),
01549   SettingEntry("economy.town_layout"),
01550   SettingEntry("economy.allow_town_roads"),
01551   SettingEntry("economy.allow_town_level_crossings"),
01552   SettingEntry("economy.found_town"),
01553   SettingEntry("economy.mod_road_rebuild"),
01554   SettingEntry("economy.town_growth_rate"),
01555   SettingEntry("economy.larger_towns"),
01556   SettingEntry("economy.initial_city_size"),
01557 };
01559 static SettingsPage _settings_economy_towns_page = {_settings_economy_towns, lengthof(_settings_economy_towns)};
01560 
01561 static SettingEntry _settings_economy_industries[] = {
01562   SettingEntry("construction.raw_industry_construction"),
01563   SettingEntry("construction.industry_platform"),
01564   SettingEntry("economy.multiple_industry_per_town"),
01565   SettingEntry("game_creation.oil_refinery_limit"),
01566 };
01568 static SettingsPage _settings_economy_industries_page = {_settings_economy_industries, lengthof(_settings_economy_industries)};
01569 
01570 
01571 static SettingEntry _settings_economy[] = {
01572   SettingEntry(&_settings_economy_towns_page, STR_CONFIG_SETTING_ECONOMY_TOWNS),
01573   SettingEntry(&_settings_economy_industries_page, STR_CONFIG_SETTING_ECONOMY_INDUSTRIES),
01574   SettingEntry("economy.inflation"),
01575   SettingEntry("difficulty.initial_interest"),
01576   SettingEntry("difficulty.max_loan"),
01577   SettingEntry("difficulty.subsidy_multiplier"),
01578   SettingEntry("difficulty.economy"),
01579   SettingEntry("economy.smooth_economy"),
01580   SettingEntry("economy.feeder_payment_share"),
01581   SettingEntry("economy.infrastructure_maintenance"),
01582   SettingEntry("difficulty.vehicle_costs"),
01583   SettingEntry("difficulty.construction_cost"),
01584   SettingEntry("difficulty.disasters"),
01585 };
01587 static SettingsPage _settings_economy_page = {_settings_economy, lengthof(_settings_economy)};
01588 
01589 static SettingEntry _settings_linkgraph[] = {
01590   SettingEntry("linkgraph.recalc_time"),
01591   SettingEntry("linkgraph.recalc_interval"),
01592   SettingEntry("linkgraph.distribution_pax"),
01593   SettingEntry("linkgraph.distribution_mail"),
01594   SettingEntry("linkgraph.distribution_armoured"),
01595   SettingEntry("linkgraph.distribution_default"),
01596   SettingEntry("linkgraph.accuracy"),
01597   SettingEntry("linkgraph.demand_distance"),
01598   SettingEntry("linkgraph.demand_size"),
01599   SettingEntry("linkgraph.short_path_saturation"),
01600 };
01602 static SettingsPage _settings_linkgraph_page = {_settings_linkgraph, lengthof(_settings_linkgraph)};
01603 
01604 static SettingEntry _settings_ai_npc[] = {
01605   SettingEntry("script.settings_profile"),
01606   SettingEntry("script.script_max_opcode_till_suspend"),
01607   SettingEntry("difficulty.competitor_speed"),
01608   SettingEntry("ai.ai_in_multiplayer"),
01609   SettingEntry("ai.ai_disable_veh_train"),
01610   SettingEntry("ai.ai_disable_veh_roadveh"),
01611   SettingEntry("ai.ai_disable_veh_aircraft"),
01612   SettingEntry("ai.ai_disable_veh_ship"),
01613 };
01615 static SettingsPage _settings_ai_npc_page = {_settings_ai_npc, lengthof(_settings_ai_npc)};
01616 
01617 static SettingEntry _settings_ai[] = {
01618   SettingEntry(&_settings_ai_npc_page, STR_CONFIG_SETTING_AI_NPC),
01619   SettingEntry("economy.give_money"),
01620   SettingEntry("economy.allow_shares"),
01621 };
01623 static SettingsPage _settings_ai_page = {_settings_ai, lengthof(_settings_ai)};
01624 
01625 static SettingEntry _settings_vehicles_routing[] = {
01626   SettingEntry("pf.pathfinder_for_trains"),
01627   SettingEntry("pf.forbid_90_deg"),
01628   SettingEntry("pf.pathfinder_for_roadvehs"),
01629   SettingEntry("pf.roadveh_queue"),
01630   SettingEntry("pf.pathfinder_for_ships"),
01631 };
01633 static SettingsPage _settings_vehicles_routing_page = {_settings_vehicles_routing, lengthof(_settings_vehicles_routing)};
01634 
01635 static SettingEntry _settings_vehicles_autorenew[] = {
01636   SettingEntry("company.engine_renew"),
01637   SettingEntry("company.engine_renew_months"),
01638   SettingEntry("company.engine_renew_money"),
01639 };
01641 static SettingsPage _settings_vehicles_autorenew_page = {_settings_vehicles_autorenew, lengthof(_settings_vehicles_autorenew)};
01642 
01643 static SettingEntry _settings_vehicles_servicing[] = {
01644   SettingEntry("vehicle.servint_ispercent"),
01645   SettingEntry("vehicle.servint_trains"),
01646   SettingEntry("vehicle.servint_roadveh"),
01647   SettingEntry("vehicle.servint_ships"),
01648   SettingEntry("vehicle.servint_aircraft"),
01649   SettingEntry("difficulty.vehicle_breakdowns"),
01650   SettingEntry("order.no_servicing_if_no_breakdowns"),
01651   SettingEntry("order.serviceathelipad"),
01652 };
01654 static SettingsPage _settings_vehicles_servicing_page = {_settings_vehicles_servicing, lengthof(_settings_vehicles_servicing)};
01655 
01656 static SettingEntry _settings_vehicles_trains[] = {
01657   SettingEntry("difficulty.line_reverse_mode"),
01658   SettingEntry("pf.reverse_at_signals"),
01659   SettingEntry("vehicle.train_acceleration_model"),
01660   SettingEntry("vehicle.train_slope_steepness"),
01661   SettingEntry("vehicle.max_train_length"),
01662   SettingEntry("vehicle.wagon_speed_limits"),
01663   SettingEntry("vehicle.disable_elrails"),
01664   SettingEntry("vehicle.freight_trains"),
01665   SettingEntry("gui.stop_location"),
01666 };
01668 static SettingsPage _settings_vehicles_trains_page = {_settings_vehicles_trains, lengthof(_settings_vehicles_trains)};
01669 
01670 static SettingEntry _settings_vehicles[] = {
01671   SettingEntry(&_settings_vehicles_routing_page, STR_CONFIG_SETTING_VEHICLES_ROUTING),
01672   SettingEntry(&_settings_vehicles_autorenew_page, STR_CONFIG_SETTING_VEHICLES_AUTORENEW),
01673   SettingEntry(&_settings_vehicles_servicing_page, STR_CONFIG_SETTING_VEHICLES_SERVICING),
01674   SettingEntry(&_settings_vehicles_trains_page, STR_CONFIG_SETTING_VEHICLES_TRAINS),
01675   SettingEntry("gui.new_nonstop"),
01676   SettingEntry("gui.order_review_system"),
01677   SettingEntry("gui.vehicle_income_warn"),
01678   SettingEntry("gui.lost_vehicle_warn"),
01679   SettingEntry("vehicle.never_expire_vehicles"),
01680   SettingEntry("vehicle.max_trains"),
01681   SettingEntry("vehicle.max_roadveh"),
01682   SettingEntry("vehicle.max_aircraft"),
01683   SettingEntry("vehicle.max_ships"),
01684   SettingEntry("vehicle.plane_speed"),
01685   SettingEntry("vehicle.plane_crashes"),
01686   SettingEntry("vehicle.dynamic_engines"),
01687   SettingEntry("vehicle.roadveh_acceleration_model"),
01688   SettingEntry("vehicle.roadveh_slope_steepness"),
01689   SettingEntry("vehicle.smoke_amount"),
01690 };
01692 static SettingsPage _settings_vehicles_page = {_settings_vehicles, lengthof(_settings_vehicles)};
01693 
01694 static SettingEntry _settings_main[] = {
01695   SettingEntry(&_settings_ui_page,           STR_CONFIG_SETTING_GUI),
01696   SettingEntry(&_settings_construction_page, STR_CONFIG_SETTING_CONSTRUCTION),
01697   SettingEntry(&_settings_vehicles_page,     STR_CONFIG_SETTING_VEHICLES),
01698   SettingEntry(&_settings_stations_page,     STR_CONFIG_SETTING_STATIONS),
01699   SettingEntry(&_settings_economy_page,      STR_CONFIG_SETTING_ECONOMY),
01700   SettingEntry(&_settings_linkgraph_page,    STR_CONFIG_SETTING_LINKGRAPH),
01701   SettingEntry(&_settings_ai_page,           STR_CONFIG_SETTING_AI),
01702 };
01703 
01705 static SettingsPage _settings_main_page = {_settings_main, lengthof(_settings_main)};
01706 
01707 static const StringID _game_settings_restrict_dropdown[] = {
01708   STR_CONFIG_SETTING_RESTRICT_BASIC,                            // RM_BASIC
01709   STR_CONFIG_SETTING_RESTRICT_ADVANCED,                         // RM_ADVANCED
01710   STR_CONFIG_SETTING_RESTRICT_ALL,                              // RM_ALL
01711   STR_CONFIG_SETTING_RESTRICT_CHANGED_AGAINST_DEFAULT,          // RM_CHANGED_AGAINST_DEFAULT
01712   STR_CONFIG_SETTING_RESTRICT_CHANGED_AGAINST_NEW,              // RM_CHANGED_AGAINST_NEW
01713 };
01714 assert_compile(lengthof(_game_settings_restrict_dropdown) == RM_END);
01715 
01716 struct GameSettingsWindow : Window {
01717   static const int SETTINGTREE_LEFT_OFFSET   = 5; 
01718   static const int SETTINGTREE_RIGHT_OFFSET  = 5; 
01719   static const int SETTINGTREE_TOP_OFFSET    = 5; 
01720   static const int SETTINGTREE_BOTTOM_OFFSET = 5; 
01721 
01722   static GameSettings *settings_ptr; 
01723 
01724   SettingEntry *valuewindow_entry;   
01725   SettingEntry *clicked_entry;       
01726   SettingEntry *last_clicked;        
01727   SettingEntry *valuedropdown_entry; 
01728   bool closing_dropdown;             
01729 
01730   SettingFilter filter;              
01731   QueryString filter_editbox;        
01732   bool manually_changed_folding;     
01733 
01734   Scrollbar *vscroll;
01735 
01736   GameSettingsWindow(WindowDesc *desc) : Window(desc), filter_editbox(50)
01737   {
01738     static bool first_time = true;
01739 
01740     filter.mode = (RestrictionMode)_settings_client.gui.settings_restriction_mode;
01741     filter.type = ST_ALL;
01742     settings_ptr = &GetGameSettings();
01743 
01744     /* Build up the dynamic settings-array only once per OpenTTD session */
01745     if (first_time) {
01746       _settings_main_page.Init();
01747       first_time = false;
01748     } else {
01749       _settings_main_page.FoldAll(); // Close all sub-pages
01750     }
01751 
01752     this->valuewindow_entry = NULL; // No setting entry for which a entry window is opened
01753     this->clicked_entry = NULL; // No numeric setting buttons are depressed
01754     this->last_clicked = NULL;
01755     this->valuedropdown_entry = NULL;
01756     this->closing_dropdown = false;
01757     this->manually_changed_folding = false;
01758 
01759     this->CreateNestedTree();
01760     this->vscroll = this->GetScrollbar(WID_GS_SCROLLBAR);
01761     this->FinishInitNested(WN_GAME_OPTIONS_GAME_SETTINGS);
01762 
01763     this->querystrings[WID_GS_FILTER] = &this->filter_editbox;
01764     this->filter_editbox.cancel_button = QueryString::ACTION_CLEAR;
01765     this->SetFocusedWidget(WID_GS_FILTER);
01766 
01767     this->InvalidateData();
01768   }
01769 
01770   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01771   {
01772     switch (widget) {
01773       case WID_GS_OPTIONSPANEL:
01774         resize->height = SETTING_HEIGHT = max(11, FONT_HEIGHT_NORMAL + 1);
01775         resize->width  = 1;
01776 
01777         size->height = 5 * resize->height + SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET;
01778         break;
01779 
01780       case WID_GS_HELP_TEXT: {
01781         static const StringID setting_types[] = {
01782           STR_CONFIG_SETTING_TYPE_CLIENT,
01783           STR_CONFIG_SETTING_TYPE_COMPANY_MENU, STR_CONFIG_SETTING_TYPE_COMPANY_INGAME,
01784           STR_CONFIG_SETTING_TYPE_GAME_MENU, STR_CONFIG_SETTING_TYPE_GAME_INGAME,
01785         };
01786         for (uint i = 0; i < lengthof(setting_types); i++) {
01787           SetDParam(0, setting_types[i]);
01788           size->width = max(size->width, GetStringBoundingBox(STR_CONFIG_SETTING_TYPE).width);
01789         }
01790         size->height = 2 * FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL +
01791             max(size->height, _settings_main_page.GetMaxHelpHeight(size->width));
01792         break;
01793       }
01794 
01795       default:
01796         break;
01797     }
01798   }
01799 
01800   virtual void OnPaint()
01801   {
01802     if (this->closing_dropdown) {
01803       this->closing_dropdown = false;
01804       assert(this->valuedropdown_entry != NULL);
01805       this->valuedropdown_entry->SetButtons(0);
01806       this->valuedropdown_entry = NULL;
01807     }
01808     this->DrawWidgets();
01809   }
01810 
01811   virtual void SetStringParameters(int widget) const
01812   {
01813     switch (widget) {
01814       case WID_GS_RESTRICT_DROPDOWN:
01815         SetDParam(0, _game_settings_restrict_dropdown[this->filter.mode]);
01816         break;
01817 
01818       case WID_GS_TYPE_DROPDOWN:
01819         switch (this->filter.type) {
01820           case ST_GAME:    SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_INGAME); break;
01821           case ST_COMPANY: SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_INGAME); break;
01822           case ST_CLIENT:  SetDParam(0, STR_CONFIG_SETTING_TYPE_DROPDOWN_CLIENT); break;
01823           default:         SetDParam(0, STR_CONFIG_SETTING_TYPE_DROPDOWN_ALL); break;
01824         }
01825         break;
01826     }
01827   }
01828 
01829   DropDownList *BuildDropDownList(int widget) const
01830   {
01831     DropDownList *list = NULL;
01832     switch (widget) {
01833       case WID_GS_RESTRICT_DROPDOWN:
01834         list = new DropDownList();
01835 
01836         for (int mode = 0; mode != RM_END; mode++) {
01837           /* If we are in adv. settings screen for the new game's settings,
01838            * we don't want to allow comparing with new game's settings. */
01839           bool disabled = mode == RM_CHANGED_AGAINST_NEW && settings_ptr == &_settings_newgame;
01840 
01841           *list->Append() = new DropDownListStringItem(_game_settings_restrict_dropdown[mode], mode, disabled);
01842         }
01843         break;
01844 
01845       case WID_GS_TYPE_DROPDOWN:
01846         list = new DropDownList();
01847         *list->Append() = new DropDownListStringItem(STR_CONFIG_SETTING_TYPE_DROPDOWN_ALL, ST_ALL, false);
01848         *list->Append() = new DropDownListStringItem(_game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_INGAME, ST_GAME, false);
01849         *list->Append() = new DropDownListStringItem(_game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_INGAME, ST_COMPANY, false);
01850         *list->Append() = new DropDownListStringItem(STR_CONFIG_SETTING_TYPE_DROPDOWN_CLIENT, ST_CLIENT, false);
01851         break;
01852     }
01853     return list;
01854   }
01855 
01856   virtual void DrawWidget(const Rect &r, int widget) const
01857   {
01858     switch (widget) {
01859       case WID_GS_OPTIONSPANEL:
01860         _settings_main_page.Draw(settings_ptr, r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, r.top + SETTINGTREE_TOP_OFFSET,
01861             this->vscroll->GetPosition(), this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->last_clicked);
01862         break;
01863 
01864       case WID_GS_HELP_TEXT:
01865         if (this->last_clicked != NULL) {
01866           const SettingDesc *sd = this->last_clicked->d.entry.setting;
01867 
01868           int y = r.top;
01869           switch (sd->GetType()) {
01870             case ST_COMPANY: SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_COMPANY_INGAME); break;
01871             case ST_CLIENT:  SetDParam(0, STR_CONFIG_SETTING_TYPE_CLIENT); break;
01872             case ST_GAME:    SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_GAME_MENU : STR_CONFIG_SETTING_TYPE_GAME_INGAME); break;
01873             default: NOT_REACHED();
01874           }
01875           DrawString(r.left, r.right, y, STR_CONFIG_SETTING_TYPE);
01876           y += FONT_HEIGHT_NORMAL;
01877 
01878           int32 default_value = ReadValue(&sd->desc.def, sd->save.conv);
01879           this->last_clicked->SetValueDParams(0, default_value);
01880           DrawString(r.left, r.right, y, STR_CONFIG_SETTING_DEFAULT_VALUE);
01881           y += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
01882 
01883           DrawStringMultiLine(r.left, r.right, y, r.bottom, this->last_clicked->GetHelpText(), TC_WHITE);
01884         }
01885         break;
01886 
01887       default:
01888         break;
01889     }
01890   }
01891 
01896   void SetDisplayedHelpText(SettingEntry *pe)
01897   {
01898     if (this->last_clicked != pe) this->SetDirty();
01899     this->last_clicked = pe;
01900   }
01901 
01902   virtual void OnClick(Point pt, int widget, int click_count)
01903   {
01904     switch (widget) {
01905       case WID_GS_EXPAND_ALL:
01906         this->manually_changed_folding = true;
01907         _settings_main_page.UnFoldAll();
01908         this->InvalidateData();
01909         break;
01910 
01911       case WID_GS_COLLAPSE_ALL:
01912         this->manually_changed_folding = true;
01913         _settings_main_page.FoldAll();
01914         this->InvalidateData();
01915         break;
01916 
01917       case WID_GS_RESTRICT_DROPDOWN: {
01918         DropDownList *list = this->BuildDropDownList(widget);
01919         if (list != NULL) {
01920           ShowDropDownList(this, list, this->filter.mode, widget);
01921         }
01922         break;
01923       }
01924 
01925       case WID_GS_TYPE_DROPDOWN: {
01926         DropDownList *list = this->BuildDropDownList(widget);
01927         if (list != NULL) {
01928           ShowDropDownList(this, list, this->filter.type, widget);
01929         }
01930         break;
01931       }
01932     }
01933 
01934     if (widget != WID_GS_OPTIONSPANEL) return;
01935 
01936     uint btn = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET);
01937     if (btn == INT_MAX) return;
01938 
01939     uint cur_row = 0;
01940     SettingEntry *pe = _settings_main_page.FindEntry(btn, &cur_row);
01941 
01942     if (pe == NULL) return;  // Clicked below the last setting of the page
01943 
01944     int x = (_current_text_dir == TD_RTL ? this->width - 1 - pt.x : pt.x) - SETTINGTREE_LEFT_OFFSET - (pe->level + 1) * LEVEL_WIDTH;  // Shift x coordinate
01945     if (x < 0) return;  // Clicked left of the entry
01946 
01947     if ((pe->flags & SEF_KIND_MASK) == SEF_SUBTREE_KIND) {
01948       this->SetDisplayedHelpText(NULL);
01949       pe->d.sub.folded = !pe->d.sub.folded; // Flip 'folded'-ness of the sub-page
01950 
01951       this->manually_changed_folding = true;
01952 
01953       this->InvalidateData();
01954       return;
01955     }
01956 
01957     assert((pe->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
01958     const SettingDesc *sd = pe->d.entry.setting;
01959 
01960     /* return if action is only active in network, or only settable by server */
01961     if (!sd->IsEditable()) {
01962       this->SetDisplayedHelpText(pe);
01963       return;
01964     }
01965 
01966     const void *var = ResolveVariableAddress(settings_ptr, sd);
01967     int32 value = (int32)ReadValue(var, sd->save.conv);
01968 
01969     /* clicked on the icon on the left side. Either scroller, bool on/off or dropdown */
01970     if (x < SETTING_BUTTON_WIDTH && (sd->desc.flags & SGF_MULTISTRING)) {
01971       const SettingDescBase *sdb = &sd->desc;
01972       this->SetDisplayedHelpText(pe);
01973 
01974       if (this->valuedropdown_entry == pe) {
01975         /* unclick the dropdown */
01976         HideDropDownMenu(this);
01977         this->closing_dropdown = false;
01978         this->valuedropdown_entry->SetButtons(0);
01979         this->valuedropdown_entry = NULL;
01980       } else {
01981         if (this->valuedropdown_entry != NULL) this->valuedropdown_entry->SetButtons(0);
01982         this->closing_dropdown = false;
01983 
01984         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_GS_OPTIONSPANEL);
01985         int rel_y = (pt.y - (int)wid->pos_y - SETTINGTREE_TOP_OFFSET) % wid->resize_y;
01986 
01987         Rect wi_rect;
01988         wi_rect.left = pt.x - (_current_text_dir == TD_RTL ? SETTING_BUTTON_WIDTH - 1 - x : x);
01989         wi_rect.right = wi_rect.left + SETTING_BUTTON_WIDTH - 1;
01990         wi_rect.top = pt.y - rel_y + (SETTING_HEIGHT - SETTING_BUTTON_HEIGHT) / 2;
01991         wi_rect.bottom = wi_rect.top + SETTING_BUTTON_HEIGHT - 1;
01992 
01993         /* For dropdowns we also have to check the y position thoroughly, the mouse may not above the just opening dropdown */
01994         if (pt.y >= wi_rect.top && pt.y <= wi_rect.bottom) {
01995           this->valuedropdown_entry = pe;
01996           this->valuedropdown_entry->SetButtons(SEF_LEFT_DEPRESSED);
01997 
01998           DropDownList *list = new DropDownList();
01999           for (int i = sdb->min; i <= (int)sdb->max; i++) {
02000             *list->Append() = new DropDownListStringItem(sdb->str_val + i - sdb->min, i, false);
02001           }
02002 
02003           ShowDropDownListAt(this, list, value, -1, wi_rect, COLOUR_ORANGE, true);
02004         }
02005       }
02006       this->SetDirty();
02007     } else if (x < SETTING_BUTTON_WIDTH) {
02008       this->SetDisplayedHelpText(pe);
02009       const SettingDescBase *sdb = &sd->desc;
02010       int32 oldvalue = value;
02011 
02012       switch (sdb->cmd) {
02013         case SDT_BOOLX: value ^= 1; break;
02014         case SDT_ONEOFMANY:
02015         case SDT_NUMX: {
02016           /* Add a dynamic step-size to the scroller. In a maximum of
02017            * 50-steps you should be able to get from min to max,
02018            * unless specified otherwise in the 'interval' variable
02019            * of the current setting. */
02020           uint32 step = (sdb->interval == 0) ? ((sdb->max - sdb->min) / 50) : sdb->interval;
02021           if (step == 0) step = 1;
02022 
02023           /* don't allow too fast scrolling */
02024           if ((this->flags & WF_TIMEOUT) && this->timeout_timer > 1) {
02025             _left_button_clicked = false;
02026             return;
02027           }
02028 
02029           /* Increase or decrease the value and clamp it to extremes */
02030           if (x >= SETTING_BUTTON_WIDTH / 2) {
02031             value += step;
02032             if (sdb->min < 0) {
02033               assert((int32)sdb->max >= 0);
02034               if (value > (int32)sdb->max) value = (int32)sdb->max;
02035             } else {
02036               if ((uint32)value > sdb->max) value = (int32)sdb->max;
02037             }
02038             if (value < sdb->min) value = sdb->min; // skip between "disabled" and minimum
02039           } else {
02040             value -= step;
02041             if (value < sdb->min) value = (sdb->flags & SGF_0ISDISABLED) ? 0 : sdb->min;
02042           }
02043 
02044           /* Set up scroller timeout for numeric values */
02045           if (value != oldvalue) {
02046             if (this->clicked_entry != NULL) { // Release previous buttons if any
02047               this->clicked_entry->SetButtons(0);
02048             }
02049             this->clicked_entry = pe;
02050             this->clicked_entry->SetButtons((x >= SETTING_BUTTON_WIDTH / 2) != (_current_text_dir == TD_RTL) ? SEF_RIGHT_DEPRESSED : SEF_LEFT_DEPRESSED);
02051             this->SetTimeout();
02052             _left_button_clicked = false;
02053           }
02054           break;
02055         }
02056 
02057         default: NOT_REACHED();
02058       }
02059 
02060       if (value != oldvalue) {
02061         if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
02062           SetCompanySetting(pe->d.entry.index, value);
02063         } else {
02064           SetSettingValue(pe->d.entry.index, value);
02065         }
02066         this->SetDirty();
02067       }
02068     } else {
02069       /* Only open editbox if clicked for the second time, and only for types where it is sensible for. */
02070       if (this->last_clicked == pe && sd->desc.cmd != SDT_BOOLX && !(sd->desc.flags & SGF_MULTISTRING)) {
02071         /* Show the correct currency-translated value */
02072         if (sd->desc.flags & SGF_CURRENCY) value *= _currency->rate;
02073 
02074         this->valuewindow_entry = pe;
02075         SetDParam(0, value);
02076         ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
02077       }
02078       this->SetDisplayedHelpText(pe);
02079     }
02080   }
02081 
02082   virtual void OnTimeout()
02083   {
02084     if (this->clicked_entry != NULL) { // On timeout, release any depressed buttons
02085       this->clicked_entry->SetButtons(0);
02086       this->clicked_entry = NULL;
02087       this->SetDirty();
02088     }
02089   }
02090 
02091   virtual void OnQueryTextFinished(char *str)
02092   {
02093     /* The user pressed cancel */
02094     if (str == NULL) return;
02095 
02096     assert(this->valuewindow_entry != NULL);
02097     assert((this->valuewindow_entry->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
02098     const SettingDesc *sd = this->valuewindow_entry->d.entry.setting;
02099 
02100     int32 value;
02101     if (!StrEmpty(str)) {
02102       value = atoi(str);
02103 
02104       /* Save the correct currency-translated value */
02105       if (sd->desc.flags & SGF_CURRENCY) value /= _currency->rate;
02106     } else {
02107       value = (int32)(size_t)sd->desc.def;
02108     }
02109 
02110     if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
02111       SetCompanySetting(this->valuewindow_entry->d.entry.index, value);
02112     } else {
02113       SetSettingValue(this->valuewindow_entry->d.entry.index, value);
02114     }
02115     this->SetDirty();
02116   }
02117 
02118   virtual void OnDropdownSelect(int widget, int index)
02119   {
02120     switch (widget) {
02121       case WID_GS_RESTRICT_DROPDOWN:
02122         this->filter.mode = (RestrictionMode)index;
02123         if (this->filter.mode == RM_CHANGED_AGAINST_DEFAULT ||
02124             this->filter.mode == RM_CHANGED_AGAINST_NEW) {
02125 
02126           if (!this->manually_changed_folding) {
02127             /* Expand all when selecting 'changes'. Update the filter state first, in case it becomes less restrictive in some cases. */
02128             _settings_main_page.UpdateFilterState(this->filter, false);
02129             _settings_main_page.UnFoldAll();
02130           }
02131         } else {
02132           /* Non-'changes' filter. Save as default. */
02133           _settings_client.gui.settings_restriction_mode = this->filter.mode;
02134         }
02135         this->InvalidateData();
02136         break;
02137 
02138       case WID_GS_TYPE_DROPDOWN:
02139         this->filter.type = (SettingType)index;
02140         this->InvalidateData();
02141         break;
02142 
02143       default:
02144         if (widget < 0) {
02145           /* Deal with drop down boxes on the panel. */
02146           assert(this->valuedropdown_entry != NULL);
02147           const SettingDesc *sd = this->valuedropdown_entry->d.entry.setting;
02148           assert(sd->desc.flags & SGF_MULTISTRING);
02149 
02150           if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
02151             SetCompanySetting(this->valuedropdown_entry->d.entry.index, index);
02152           } else {
02153             SetSettingValue(this->valuedropdown_entry->d.entry.index, index);
02154           }
02155 
02156           this->SetDirty();
02157         }
02158         break;
02159     }
02160   }
02161 
02162   virtual void OnDropdownClose(Point pt, int widget, int index, bool instant_close)
02163   {
02164     if (widget >= 0) {
02165       /* Normally the default implementation of OnDropdownClose() takes care of
02166        * a few things. We want that behaviour here too, but only for
02167        * "normal" dropdown boxes. The special dropdown boxes added for every
02168        * setting that needs one can't have this call. */
02169       Window::OnDropdownClose(pt, widget, index, instant_close);
02170     } else {
02171       /* We cannot raise the dropdown button just yet. OnClick needs some hint, whether
02172        * the same dropdown button was clicked again, and then not open the dropdown again.
02173        * So, we only remember that it was closed, and process it on the next OnPaint, which is
02174        * after OnClick. */
02175       assert(this->valuedropdown_entry != NULL);
02176       this->closing_dropdown = true;
02177       this->SetDirty();
02178     }
02179   }
02180 
02181   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
02182   {
02183     if (!gui_scope) return;
02184 
02185     _settings_main_page.UpdateFilterState(this->filter, false);
02186 
02187     this->vscroll->SetCount(_settings_main_page.Length());
02188 
02189     if (this->last_clicked != NULL && !_settings_main_page.IsVisible(this->last_clicked)) {
02190       this->SetDisplayedHelpText(NULL);
02191     }
02192 
02193     bool all_folded = true;
02194     bool all_unfolded = true;
02195     _settings_main_page.GetFoldingState(all_folded, all_unfolded);
02196     this->SetWidgetDisabledState(WID_GS_EXPAND_ALL, all_unfolded);
02197     this->SetWidgetDisabledState(WID_GS_COLLAPSE_ALL, all_folded);
02198   }
02199 
02200   virtual void OnEditboxChanged(int wid)
02201   {
02202     if (wid == WID_GS_FILTER) {
02203       this->filter.string.SetFilterTerm(this->filter_editbox.text.buf);
02204       if (!this->filter.string.IsEmpty() && !this->manually_changed_folding) {
02205         /* User never expanded/collapsed single pages and entered a filter term.
02206          * Expand everything, to save weird expand clicks, */
02207         _settings_main_page.UnFoldAll();
02208       }
02209       this->InvalidateData();
02210     }
02211   }
02212 
02213   virtual void OnResize()
02214   {
02215     this->vscroll->SetCapacityFromWidget(this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET);
02216   }
02217 };
02218 
02219 GameSettings *GameSettingsWindow::settings_ptr = NULL;
02220 
02221 static const NWidgetPart _nested_settings_selection_widgets[] = {
02222   NWidget(NWID_HORIZONTAL),
02223     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
02224     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_CONFIG_SETTING_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
02225     NWidget(WWT_DEFSIZEBOX, COLOUR_MAUVE),
02226   EndContainer(),
02227   NWidget(WWT_PANEL, COLOUR_MAUVE),
02228     NWidget(NWID_HORIZONTAL), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0),
02229         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
02230       NWidget(WWT_TEXT, COLOUR_MAUVE, WID_GS_RESTRICT_LABEL), SetDataTip(STR_CONFIG_SETTING_RESTRICT_LABEL, STR_NULL),
02231       NWidget(NWID_VERTICAL), SetPIP(0, WD_PAR_VSEP_NORMAL, 0),
02232         NWidget(WWT_DROPDOWN, COLOUR_MAUVE, WID_GS_RESTRICT_DROPDOWN), SetMinimalSize(100, 12), SetDataTip(STR_BLACK_STRING, STR_CONFIG_SETTING_RESTRICT_DROPDOWN_HELPTEXT), SetFill(1, 0), SetResize(1, 0),
02233         NWidget(WWT_DROPDOWN, COLOUR_MAUVE, WID_GS_TYPE_DROPDOWN), SetMinimalSize(100, 12), SetDataTip(STR_BLACK_STRING, STR_CONFIG_SETTING_TYPE_DROPDOWN_HELPTEXT), SetFill(1, 0), SetResize(1, 0),
02234       EndContainer(),
02235     EndContainer(),
02236     NWidget(NWID_HORIZONTAL), SetPadding(0, 0, WD_TEXTPANEL_BOTTOM, 0),
02237         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
02238       NWidget(WWT_TEXT, COLOUR_MAUVE), SetFill(0, 1), SetDataTip(STR_CONFIG_SETTING_FILTER_TITLE, STR_NULL),
02239       NWidget(WWT_EDITBOX, COLOUR_MAUVE, WID_GS_FILTER), SetFill(1, 0), SetMinimalSize(50, 12), SetResize(1, 0),
02240           SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
02241     EndContainer(),
02242   EndContainer(),
02243   NWidget(NWID_HORIZONTAL),
02244     NWidget(WWT_PANEL, COLOUR_MAUVE, WID_GS_OPTIONSPANEL), SetMinimalSize(400, 174), SetScrollbar(WID_GS_SCROLLBAR), EndContainer(),
02245     NWidget(NWID_VERTICAL),
02246       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_GS_SCROLLBAR),
02247     EndContainer(),
02248   EndContainer(),
02249   NWidget(WWT_PANEL, COLOUR_MAUVE), SetMinimalSize(400, 40),
02250     NWidget(WWT_EMPTY, INVALID_COLOUR, WID_GS_HELP_TEXT), SetMinimalSize(300, 25), SetFill(1, 1), SetResize(1, 0),
02251         SetPadding(WD_FRAMETEXT_TOP, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_BOTTOM, WD_FRAMETEXT_LEFT),
02252     NWidget(NWID_HORIZONTAL),
02253       NWidget(WWT_PANEL, COLOUR_MAUVE),
02254         NWidget(NWID_HORIZONTAL),
02255           NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_GS_EXPAND_ALL), SetDataTip(STR_CONFIG_SETTING_EXPAND_ALL, STR_NULL),
02256           NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_GS_COLLAPSE_ALL), SetDataTip(STR_CONFIG_SETTING_COLLAPSE_ALL, STR_NULL),
02257           NWidget(NWID_SPACER, INVALID_COLOUR), SetFill(1, 1), SetResize(1, 0),
02258         EndContainer(),
02259       EndContainer(),
02260       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
02261     EndContainer(),
02262   EndContainer(),
02263 };
02264 
02265 static WindowDesc _settings_selection_desc(
02266   WDP_CENTER, "settings", 510, 450,
02267   WC_GAME_OPTIONS, WC_NONE,
02268   0,
02269   _nested_settings_selection_widgets, lengthof(_nested_settings_selection_widgets)
02270 );
02271 
02273 void ShowGameSettings()
02274 {
02275   DeleteWindowByClass(WC_GAME_OPTIONS);
02276   new GameSettingsWindow(&_settings_selection_desc);
02277 }
02278 
02279 
02289 void DrawArrowButtons(int x, int y, Colours button_colour, byte state, bool clickable_left, bool clickable_right)
02290 {
02291   int colour = _colour_gradient[button_colour][2];
02292 
02293   DrawFrameRect(x,                            y, x + SETTING_BUTTON_WIDTH / 2 - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, (state == 1) ? FR_LOWERED : FR_NONE);
02294   DrawFrameRect(x + SETTING_BUTTON_WIDTH / 2, y, x + SETTING_BUTTON_WIDTH     - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, (state == 2) ? FR_LOWERED : FR_NONE);
02295   DrawSprite(SPR_ARROW_LEFT, PAL_NONE, x + WD_IMGBTN_LEFT, y + WD_IMGBTN_TOP);
02296   DrawSprite(SPR_ARROW_RIGHT, PAL_NONE, x + WD_IMGBTN_LEFT + SETTING_BUTTON_WIDTH / 2, y + WD_IMGBTN_TOP);
02297 
02298   /* Grey out the buttons that aren't clickable */
02299   bool rtl = _current_text_dir == TD_RTL;
02300   if (rtl ? !clickable_right : !clickable_left) {
02301     GfxFillRect(x                            + 1, y, x + SETTING_BUTTON_WIDTH / 2 - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
02302   }
02303   if (rtl ? !clickable_left : !clickable_right) {
02304     GfxFillRect(x + SETTING_BUTTON_WIDTH / 2 + 1, y, x + SETTING_BUTTON_WIDTH     - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
02305   }
02306 }
02307 
02316 void DrawDropDownButton(int x, int y, Colours button_colour, bool state, bool clickable)
02317 {
02318   static const char *DOWNARROW = "\xEE\x8A\xAA";
02319 
02320   int colour = _colour_gradient[button_colour][2];
02321 
02322   DrawFrameRect(x, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, state ? FR_LOWERED : FR_NONE);
02323   DrawString(x + (state ? 1 : 0), x + SETTING_BUTTON_WIDTH - (state ? 0 : 1), y + (state ? 2 : 1), DOWNARROW, TC_BLACK, SA_HOR_CENTER);
02324 
02325   if (!clickable) {
02326     GfxFillRect(x +  1, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
02327   }
02328 }
02329 
02337 void DrawBoolButton(int x, int y, bool state, bool clickable)
02338 {
02339   static const Colours _bool_ctabs[2][2] = {{COLOUR_CREAM, COLOUR_RED}, {COLOUR_DARK_GREEN, COLOUR_GREEN}};
02340   DrawFrameRect(x, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 1, _bool_ctabs[state][clickable], state ? FR_LOWERED : FR_NONE);
02341 }
02342 
02343 struct CustomCurrencyWindow : Window {
02344   int query_widget;
02345 
02346   CustomCurrencyWindow(WindowDesc *desc) : Window(desc)
02347   {
02348     this->InitNested();
02349 
02350     SetButtonState();
02351   }
02352 
02353   void SetButtonState()
02354   {
02355     this->SetWidgetDisabledState(WID_CC_RATE_DOWN, _custom_currency.rate == 1);
02356     this->SetWidgetDisabledState(WID_CC_RATE_UP, _custom_currency.rate == UINT16_MAX);
02357     this->SetWidgetDisabledState(WID_CC_YEAR_DOWN, _custom_currency.to_euro == CF_NOEURO);
02358     this->SetWidgetDisabledState(WID_CC_YEAR_UP, _custom_currency.to_euro == MAX_YEAR);
02359   }
02360 
02361   virtual void SetStringParameters(int widget) const
02362   {
02363     switch (widget) {
02364       case WID_CC_RATE:      SetDParam(0, 1); SetDParam(1, 1);            break;
02365       case WID_CC_SEPARATOR: SetDParamStr(0, _custom_currency.separator); break;
02366       case WID_CC_PREFIX:    SetDParamStr(0, _custom_currency.prefix);    break;
02367       case WID_CC_SUFFIX:    SetDParamStr(0, _custom_currency.suffix);    break;
02368       case WID_CC_YEAR:
02369         SetDParam(0, (_custom_currency.to_euro != CF_NOEURO) ? STR_CURRENCY_SWITCH_TO_EURO : STR_CURRENCY_SWITCH_TO_EURO_NEVER);
02370         SetDParam(1, _custom_currency.to_euro);
02371         break;
02372 
02373       case WID_CC_PREVIEW:
02374         SetDParam(0, 10000);
02375         break;
02376     }
02377   }
02378 
02379   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
02380   {
02381     switch (widget) {
02382       /* Set the appropriate width for the edit 'buttons' */
02383       case WID_CC_SEPARATOR_EDIT:
02384       case WID_CC_PREFIX_EDIT:
02385       case WID_CC_SUFFIX_EDIT:
02386         size->width  = this->GetWidget<NWidgetBase>(WID_CC_RATE_DOWN)->smallest_x + this->GetWidget<NWidgetBase>(WID_CC_RATE_UP)->smallest_x;
02387         break;
02388 
02389       /* Make sure the window is wide enough for the widest exchange rate */
02390       case WID_CC_RATE:
02391         SetDParam(0, 1);
02392         SetDParam(1, INT32_MAX);
02393         *size = GetStringBoundingBox(STR_CURRENCY_EXCHANGE_RATE);
02394         break;
02395     }
02396   }
02397 
02398   virtual void OnClick(Point pt, int widget, int click_count)
02399   {
02400     int line = 0;
02401     int len = 0;
02402     StringID str = 0;
02403     CharSetFilter afilter = CS_ALPHANUMERAL;
02404 
02405     switch (widget) {
02406       case WID_CC_RATE_DOWN:
02407         if (_custom_currency.rate > 1) _custom_currency.rate--;
02408         if (_custom_currency.rate == 1) this->DisableWidget(WID_CC_RATE_DOWN);
02409         this->EnableWidget(WID_CC_RATE_UP);
02410         break;
02411 
02412       case WID_CC_RATE_UP:
02413         if (_custom_currency.rate < UINT16_MAX) _custom_currency.rate++;
02414         if (_custom_currency.rate == UINT16_MAX) this->DisableWidget(WID_CC_RATE_UP);
02415         this->EnableWidget(WID_CC_RATE_DOWN);
02416         break;
02417 
02418       case WID_CC_RATE:
02419         SetDParam(0, _custom_currency.rate);
02420         str = STR_JUST_INT;
02421         len = 5;
02422         line = WID_CC_RATE;
02423         afilter = CS_NUMERAL;
02424         break;
02425 
02426       case WID_CC_SEPARATOR_EDIT:
02427       case WID_CC_SEPARATOR:
02428         SetDParamStr(0, _custom_currency.separator);
02429         str = STR_JUST_RAW_STRING;
02430         len = 1;
02431         line = WID_CC_SEPARATOR;
02432         break;
02433 
02434       case WID_CC_PREFIX_EDIT:
02435       case WID_CC_PREFIX:
02436         SetDParamStr(0, _custom_currency.prefix);
02437         str = STR_JUST_RAW_STRING;
02438         len = 12;
02439         line = WID_CC_PREFIX;
02440         break;
02441 
02442       case WID_CC_SUFFIX_EDIT:
02443       case WID_CC_SUFFIX:
02444         SetDParamStr(0, _custom_currency.suffix);
02445         str = STR_JUST_RAW_STRING;
02446         len = 12;
02447         line = WID_CC_SUFFIX;
02448         break;
02449 
02450       case WID_CC_YEAR_DOWN:
02451         _custom_currency.to_euro = (_custom_currency.to_euro <= 2000) ? CF_NOEURO : _custom_currency.to_euro - 1;
02452         if (_custom_currency.to_euro == CF_NOEURO) this->DisableWidget(WID_CC_YEAR_DOWN);
02453         this->EnableWidget(WID_CC_YEAR_UP);
02454         break;
02455 
02456       case WID_CC_YEAR_UP:
02457         _custom_currency.to_euro = Clamp(_custom_currency.to_euro + 1, 2000, MAX_YEAR);
02458         if (_custom_currency.to_euro == MAX_YEAR) this->DisableWidget(WID_CC_YEAR_UP);
02459         this->EnableWidget(WID_CC_YEAR_DOWN);
02460         break;
02461 
02462       case WID_CC_YEAR:
02463         SetDParam(0, _custom_currency.to_euro);
02464         str = STR_JUST_INT;
02465         len = 7;
02466         line = WID_CC_YEAR;
02467         afilter = CS_NUMERAL;
02468         break;
02469     }
02470 
02471     if (len != 0) {
02472       this->query_widget = line;
02473       ShowQueryString(str, STR_CURRENCY_CHANGE_PARAMETER, len + 1, this, afilter, QSF_NONE);
02474     }
02475 
02476     this->SetTimeout();
02477     this->SetDirty();
02478   }
02479 
02480   virtual void OnQueryTextFinished(char *str)
02481   {
02482     if (str == NULL) return;
02483 
02484     switch (this->query_widget) {
02485       case WID_CC_RATE:
02486         _custom_currency.rate = Clamp(atoi(str), 1, UINT16_MAX);
02487         break;
02488 
02489       case WID_CC_SEPARATOR: // Thousands separator
02490         strecpy(_custom_currency.separator, str, lastof(_custom_currency.separator));
02491         break;
02492 
02493       case WID_CC_PREFIX:
02494         strecpy(_custom_currency.prefix, str, lastof(_custom_currency.prefix));
02495         break;
02496 
02497       case WID_CC_SUFFIX:
02498         strecpy(_custom_currency.suffix, str, lastof(_custom_currency.suffix));
02499         break;
02500 
02501       case WID_CC_YEAR: { // Year to switch to euro
02502         int val = atoi(str);
02503 
02504         _custom_currency.to_euro = (val < 2000 ? CF_NOEURO : min(val, MAX_YEAR));
02505         break;
02506       }
02507     }
02508     MarkWholeScreenDirty();
02509     SetButtonState();
02510   }
02511 
02512   virtual void OnTimeout()
02513   {
02514     this->SetDirty();
02515   }
02516 };
02517 
02518 static const NWidgetPart _nested_cust_currency_widgets[] = {
02519   NWidget(NWID_HORIZONTAL),
02520     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
02521     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CURRENCY_WINDOW, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
02522   EndContainer(),
02523   NWidget(WWT_PANEL, COLOUR_GREY),
02524     NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(7, 3, 0),
02525       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02526         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_EXCHANGE_RATE_TOOLTIP),
02527         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_EXCHANGE_RATE_TOOLTIP),
02528         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02529         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_RATE), SetDataTip(STR_CURRENCY_EXCHANGE_RATE, STR_CURRENCY_SET_EXCHANGE_RATE_TOOLTIP), SetFill(1, 0),
02530       EndContainer(),
02531       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02532         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SEPARATOR_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(0, 1),
02533         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02534         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SEPARATOR), SetDataTip(STR_CURRENCY_SEPARATOR, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(1, 0),
02535       EndContainer(),
02536       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02537         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_PREFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(0, 1),
02538         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02539         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_PREFIX), SetDataTip(STR_CURRENCY_PREFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(1, 0),
02540       EndContainer(),
02541       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02542         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SUFFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(0, 1),
02543         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02544         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SUFFIX), SetDataTip(STR_CURRENCY_SUFFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(1, 0),
02545       EndContainer(),
02546       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02547         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
02548         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
02549         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02550         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_YEAR), SetDataTip(STR_JUST_STRING, STR_CURRENCY_SET_CUSTOM_CURRENCY_TO_EURO_TOOLTIP), SetFill(1, 0),
02551       EndContainer(),
02552     EndContainer(),
02553     NWidget(WWT_LABEL, COLOUR_BLUE, WID_CC_PREVIEW),
02554                 SetDataTip(STR_CURRENCY_PREVIEW, STR_CURRENCY_CUSTOM_CURRENCY_PREVIEW_TOOLTIP), SetPadding(15, 1, 18, 2),
02555   EndContainer(),
02556 };
02557 
02558 static WindowDesc _cust_currency_desc(
02559   WDP_CENTER, NULL, 0, 0,
02560   WC_CUSTOM_CURRENCY, WC_NONE,
02561   0,
02562   _nested_cust_currency_widgets, lengthof(_nested_cust_currency_widgets)
02563 );
02564 
02566 static void ShowCustCurrency()
02567 {
02568   DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
02569   new CustomCurrencyWindow(&_cust_currency_desc);
02570 }