settings_gui.cpp

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00001 /* $Id: settings_gui.cpp 26322 2014-02-09 13:06:35Z alberth $ */
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 DECLARE_POSTFIX_INCREMENT(RestrictionMode)
00698 
00699 
00700 struct SettingFilter {
00701   StringFilter string;     
00702   RestrictionMode min_cat; 
00703   bool type_hides;         
00704   RestrictionMode mode;    
00705   SettingType type;        
00706 };
00707 
00709 struct SettingEntry {
00710   byte flags; 
00711   byte level; 
00712   union {
00713     SettingEntrySetting entry; 
00714     SettingEntrySubtree sub;   
00715   } d; 
00716 
00717   SettingEntry(const char *nm);
00718   SettingEntry(SettingsPage *sub, StringID title);
00719 
00720   void Init(byte level);
00721   void FoldAll();
00722   void UnFoldAll();
00723   void SetButtons(byte new_val);
00724 
00729   void SetLastField(bool last_field) { if (last_field) SETBITS(this->flags, SEF_LAST_FIELD); else CLRBITS(this->flags, SEF_LAST_FIELD); }
00730 
00731   uint Length() const;
00732   void GetFoldingState(bool &all_folded, bool &all_unfolded) const;
00733   bool IsVisible(const SettingEntry *item) const;
00734   SettingEntry *FindEntry(uint row, uint *cur_row);
00735   uint GetMaxHelpHeight(int maxw);
00736 
00737   bool IsFiltered() const;
00738   bool UpdateFilterState(SettingFilter &filter, bool force_visible);
00739 
00740   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);
00741 
00746   inline StringID GetHelpText()
00747   {
00748     assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
00749     return this->d.entry.setting->desc.str_help;
00750   }
00751 
00752   void SetValueDParams(uint first_param, int32 value);
00753 
00754 private:
00755   void DrawSetting(GameSettings *settings_ptr, int x, int y, int max_x, int state, bool highlight);
00756   bool IsVisibleByRestrictionMode(RestrictionMode mode) const;
00757 };
00758 
00760 struct SettingsPage {
00761   SettingEntry *entries; 
00762   byte num;              
00763 
00764   void Init(byte level = 0);
00765   void FoldAll();
00766   void UnFoldAll();
00767 
00768   uint Length() const;
00769   void GetFoldingState(bool &all_folded, bool &all_unfolded) const;
00770   bool IsVisible(const SettingEntry *item) const;
00771   SettingEntry *FindEntry(uint row, uint *cur_row) const;
00772   uint GetMaxHelpHeight(int maxw);
00773 
00774   bool UpdateFilterState(SettingFilter &filter, bool force_visible);
00775 
00776   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;
00777 };
00778 
00779 
00780 /* == SettingEntry methods == */
00781 
00786 SettingEntry::SettingEntry(const char *nm)
00787 {
00788   this->flags = SEF_SETTING_KIND;
00789   this->level = 0;
00790   this->d.entry.name = nm;
00791   this->d.entry.setting = NULL;
00792   this->d.entry.index = 0;
00793 }
00794 
00800 SettingEntry::SettingEntry(SettingsPage *sub, StringID title)
00801 {
00802   this->flags = SEF_SUBTREE_KIND;
00803   this->level = 0;
00804   this->d.sub.page = sub;
00805   this->d.sub.folded = true;
00806   this->d.sub.title = title;
00807 }
00808 
00813 void SettingEntry::Init(byte level)
00814 {
00815   this->level = level;
00816 
00817   switch (this->flags & SEF_KIND_MASK) {
00818     case SEF_SETTING_KIND:
00819       this->d.entry.setting = GetSettingFromName(this->d.entry.name, &this->d.entry.index);
00820       assert(this->d.entry.setting != NULL);
00821       break;
00822     case SEF_SUBTREE_KIND:
00823       this->d.sub.page->Init(level + 1);
00824       break;
00825     default: NOT_REACHED();
00826   }
00827 }
00828 
00830 void SettingEntry::FoldAll()
00831 {
00832   if (this->IsFiltered()) return;
00833   switch (this->flags & SEF_KIND_MASK) {
00834     case SEF_SETTING_KIND:
00835       break;
00836 
00837     case SEF_SUBTREE_KIND:
00838       this->d.sub.folded = true;
00839       this->d.sub.page->FoldAll();
00840       break;
00841 
00842     default: NOT_REACHED();
00843   }
00844 }
00845 
00847 void SettingEntry::UnFoldAll()
00848 {
00849   if (this->IsFiltered()) return;
00850   switch (this->flags & SEF_KIND_MASK) {
00851     case SEF_SETTING_KIND:
00852       break;
00853 
00854     case SEF_SUBTREE_KIND:
00855       this->d.sub.folded = false;
00856       this->d.sub.page->UnFoldAll();
00857       break;
00858 
00859     default: NOT_REACHED();
00860   }
00861 }
00862 
00868 void SettingEntry::GetFoldingState(bool &all_folded, bool &all_unfolded) const
00869 {
00870   if (this->IsFiltered()) return;
00871   switch (this->flags & SEF_KIND_MASK) {
00872     case SEF_SETTING_KIND:
00873       break;
00874 
00875     case SEF_SUBTREE_KIND:
00876       if (this->d.sub.folded) {
00877         all_unfolded = false;
00878       } else {
00879         all_folded = false;
00880       }
00881       this->d.sub.page->GetFoldingState(all_folded, all_unfolded);
00882       break;
00883 
00884     default: NOT_REACHED();
00885   }
00886 }
00887 
00894 bool SettingEntry::IsVisible(const SettingEntry *item) const
00895 {
00896   if (this->IsFiltered()) return false;
00897   if (this == item) return true;
00898 
00899   switch (this->flags & SEF_KIND_MASK) {
00900     case SEF_SETTING_KIND:
00901       return false;
00902 
00903     case SEF_SUBTREE_KIND:
00904       return !this->d.sub.folded && this->d.sub.page->IsVisible(item);
00905 
00906     default: NOT_REACHED();
00907   }
00908 }
00909 
00915 void SettingEntry::SetButtons(byte new_val)
00916 {
00917   assert((new_val & ~SEF_BUTTONS_MASK) == 0); // Should not touch any flags outside the buttons
00918   this->flags = (this->flags & ~SEF_BUTTONS_MASK) | new_val;
00919 }
00920 
00922 uint SettingEntry::Length() const
00923 {
00924   if (this->IsFiltered()) return 0;
00925   switch (this->flags & SEF_KIND_MASK) {
00926     case SEF_SETTING_KIND:
00927       return 1;
00928     case SEF_SUBTREE_KIND:
00929       if (this->d.sub.folded) return 1; // Only displaying the title
00930 
00931       return 1 + this->d.sub.page->Length(); // 1 extra row for the title
00932     default: NOT_REACHED();
00933   }
00934 }
00935 
00942 SettingEntry *SettingEntry::FindEntry(uint row_num, uint *cur_row)
00943 {
00944   if (this->IsFiltered()) return NULL;
00945   if (row_num == *cur_row) return this;
00946 
00947   switch (this->flags & SEF_KIND_MASK) {
00948     case SEF_SETTING_KIND:
00949       (*cur_row)++;
00950       break;
00951     case SEF_SUBTREE_KIND:
00952       (*cur_row)++; // add one for row containing the title
00953       if (this->d.sub.folded) {
00954         break;
00955       }
00956 
00957       /* sub-page is visible => search it too */
00958       return this->d.sub.page->FindEntry(row_num, cur_row);
00959     default: NOT_REACHED();
00960   }
00961   return NULL;
00962 }
00963 
00969 uint SettingEntry::GetMaxHelpHeight(int maxw)
00970 {
00971   switch (this->flags & SEF_KIND_MASK) {
00972     case SEF_SETTING_KIND: return GetStringHeight(this->GetHelpText(), maxw);
00973     case SEF_SUBTREE_KIND: return this->d.sub.page->GetMaxHelpHeight(maxw);
00974     default:               NOT_REACHED();
00975   }
00976 }
00977 
00982 bool SettingEntry::IsFiltered() const
00983 {
00984   return (this->flags & SEF_FILTERED) != 0;
00985 }
00986 
00992 bool SettingEntry::IsVisibleByRestrictionMode(RestrictionMode mode) const
00993 {
00994   /* There shall not be any restriction, i.e. all settings shall be visible. */
00995   if (mode == RM_ALL) return true;
00996 
00997   GameSettings *settings_ptr = &GetGameSettings();
00998   assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
00999   const SettingDesc *sd = this->d.entry.setting;
01000 
01001   if (mode == RM_BASIC) return (this->d.entry.setting->desc.cat & SC_BASIC_LIST) != 0;
01002   if (mode == RM_ADVANCED) return (this->d.entry.setting->desc.cat & SC_ADVANCED_LIST) != 0;
01003 
01004   /* Read the current value. */
01005   const void *var = ResolveVariableAddress(settings_ptr, sd);
01006   int64 current_value = ReadValue(var, sd->save.conv);
01007 
01008   int64 filter_value;
01009 
01010   if (mode == RM_CHANGED_AGAINST_DEFAULT) {
01011     /* This entry shall only be visible, if the value deviates from its default value. */
01012 
01013     /* Read the default value. */
01014     filter_value = ReadValue(&sd->desc.def, sd->save.conv);
01015   } else {
01016     assert(mode == RM_CHANGED_AGAINST_NEW);
01017     /* This entry shall only be visible, if the value deviates from
01018      * its value is used when starting a new game. */
01019 
01020     /* Make sure we're not comparing the new game settings against itself. */
01021     assert(settings_ptr != &_settings_newgame);
01022 
01023     /* Read the new game's value. */
01024     var = ResolveVariableAddress(&_settings_newgame, sd);
01025     filter_value = ReadValue(var, sd->save.conv);
01026   }
01027 
01028   return current_value != filter_value;
01029 }
01030 
01037 bool SettingEntry::UpdateFilterState(SettingFilter &filter, bool force_visible)
01038 {
01039   CLRBITS(this->flags, SEF_FILTERED);
01040 
01041   bool visible = true;
01042   switch (this->flags & SEF_KIND_MASK) {
01043     case SEF_SETTING_KIND: {
01044       const SettingDesc *sd = this->d.entry.setting;
01045       if (!force_visible && !filter.string.IsEmpty()) {
01046         /* Process the search text filter for this item. */
01047         filter.string.ResetState();
01048 
01049         const SettingDescBase *sdb = &sd->desc;
01050 
01051         SetDParam(0, STR_EMPTY);
01052         filter.string.AddLine(sdb->str);
01053         filter.string.AddLine(this->GetHelpText());
01054 
01055         visible = filter.string.GetState();
01056       }
01057       if (visible) {
01058         if (filter.type != ST_ALL && sd->GetType() != filter.type) {
01059           filter.type_hides = true;
01060           visible = false;
01061         }
01062         if (!this->IsVisibleByRestrictionMode(filter.mode)) {
01063           while (filter.min_cat < RM_ALL && (filter.min_cat == filter.mode || !this->IsVisibleByRestrictionMode(filter.min_cat))) filter.min_cat++;
01064           visible = false;
01065         }
01066       }
01067       break;
01068     }
01069     case SEF_SUBTREE_KIND: {
01070       if (!force_visible && !filter.string.IsEmpty()) {
01071         filter.string.ResetState();
01072         filter.string.AddLine(this->d.sub.title);
01073         force_visible = filter.string.GetState();
01074       }
01075       visible = this->d.sub.page->UpdateFilterState(filter, force_visible);
01076       break;
01077     }
01078     default: NOT_REACHED();
01079   }
01080 
01081   if (!visible) SETBITS(this->flags, SEF_FILTERED);
01082   return visible;
01083 }
01084 
01085 
01086 
01114 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)
01115 {
01116   if (this->IsFiltered()) return cur_row;
01117   if (cur_row >= max_row) return cur_row;
01118 
01119   bool rtl = _current_text_dir == TD_RTL;
01120   int offset = rtl ? -4 : 4;
01121   int level_width = rtl ? -LEVEL_WIDTH : LEVEL_WIDTH;
01122 
01123   int x = rtl ? right : left;
01124   int y = base_y;
01125   if (cur_row >= first_row) {
01126     int colour = _colour_gradient[COLOUR_ORANGE][4];
01127     y = base_y + (cur_row - first_row) * SETTING_HEIGHT; // Compute correct y start position
01128 
01129     /* Draw vertical for parent nesting levels */
01130     for (uint lvl = 0; lvl < this->level; lvl++) {
01131       if (!HasBit(parent_last, lvl)) GfxDrawLine(x + offset, y, x + offset, y + SETTING_HEIGHT - 1, colour);
01132       x += level_width;
01133     }
01134     /* draw own |- prefix */
01135     int halfway_y = y + SETTING_HEIGHT / 2;
01136     int bottom_y = (flags & SEF_LAST_FIELD) ? halfway_y : y + SETTING_HEIGHT - 1;
01137     GfxDrawLine(x + offset, y, x + offset, bottom_y, colour);
01138     /* Small horizontal line from the last vertical line */
01139     GfxDrawLine(x + offset, halfway_y, x + level_width - offset, halfway_y, colour);
01140     x += level_width;
01141   }
01142 
01143   switch (this->flags & SEF_KIND_MASK) {
01144     case SEF_SETTING_KIND:
01145       if (cur_row >= first_row) {
01146         this->DrawSetting(settings_ptr, rtl ? left : x, rtl ? x : right, y, this->flags & SEF_BUTTONS_MASK,
01147             this == selected);
01148       }
01149       cur_row++;
01150       break;
01151     case SEF_SUBTREE_KIND:
01152       if (cur_row >= first_row) {
01153         DrawSprite((this->d.sub.folded ? SPR_CIRCLE_FOLDED : SPR_CIRCLE_UNFOLDED), PAL_NONE, rtl ? x - 8 : x, y + (SETTING_HEIGHT - 11) / 2);
01154         DrawString(rtl ? left : x + 12, rtl ? x - 12 : right, y, this->d.sub.title);
01155       }
01156       cur_row++;
01157       if (!this->d.sub.folded) {
01158         if (this->flags & SEF_LAST_FIELD) {
01159           assert(this->level < sizeof(parent_last));
01160           SetBit(parent_last, this->level); // Add own last-field state
01161         }
01162 
01163         cur_row = this->d.sub.page->Draw(settings_ptr, left, right, base_y, first_row, max_row, selected, cur_row, parent_last);
01164       }
01165       break;
01166     default: NOT_REACHED();
01167   }
01168   return cur_row;
01169 }
01170 
01171 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd)
01172 {
01173   if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
01174     if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
01175       return GetVariableAddress(&Company::Get(_local_company)->settings, &sd->save);
01176     } else {
01177       return GetVariableAddress(&_settings_client.company, &sd->save);
01178     }
01179   } else {
01180     return GetVariableAddress(settings_ptr, &sd->save);
01181   }
01182 }
01183 
01189 void SettingEntry::SetValueDParams(uint first_param, int32 value)
01190 {
01191   assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
01192   const SettingDescBase *sdb = &this->d.entry.setting->desc;
01193   if (sdb->cmd == SDT_BOOLX) {
01194     SetDParam(first_param++, value != 0 ? STR_CONFIG_SETTING_ON : STR_CONFIG_SETTING_OFF);
01195   } else {
01196     if ((sdb->flags & SGF_MULTISTRING) != 0) {
01197       SetDParam(first_param++, sdb->str_val - sdb->min + value);
01198     } else if ((sdb->flags & SGF_DISPLAY_ABS) != 0) {
01199       SetDParam(first_param++, sdb->str_val + ((value >= 0) ? 1 : 0));
01200       value = abs(value);
01201     } else {
01202       SetDParam(first_param++, sdb->str_val + ((value == 0 && (sdb->flags & SGF_0ISDISABLED) != 0) ? 1 : 0));
01203     }
01204     SetDParam(first_param++, value);
01205   }
01206 }
01207 
01217 void SettingEntry::DrawSetting(GameSettings *settings_ptr, int left, int right, int y, int state, bool highlight)
01218 {
01219   const SettingDesc *sd = this->d.entry.setting;
01220   const SettingDescBase *sdb = &sd->desc;
01221   const void *var = ResolveVariableAddress(settings_ptr, sd);
01222 
01223   bool rtl = _current_text_dir == TD_RTL;
01224   uint buttons_left = rtl ? right + 1 - SETTING_BUTTON_WIDTH : left;
01225   uint text_left  = left + (rtl ? 0 : SETTING_BUTTON_WIDTH + 5);
01226   uint text_right = right - (rtl ? SETTING_BUTTON_WIDTH + 5 : 0);
01227   uint button_y = y + (SETTING_HEIGHT - SETTING_BUTTON_HEIGHT) / 2;
01228 
01229   /* We do not allow changes of some items when we are a client in a networkgame */
01230   bool editable = sd->IsEditable();
01231 
01232   SetDParam(0, highlight ? STR_ORANGE_STRING1_WHITE : STR_ORANGE_STRING1_LTBLUE);
01233   int32 value = (int32)ReadValue(var, sd->save.conv);
01234   if (sdb->cmd == SDT_BOOLX) {
01235     /* Draw checkbox for boolean-value either on/off */
01236     DrawBoolButton(buttons_left, button_y, value != 0, editable);
01237   } else if ((sdb->flags & SGF_MULTISTRING) != 0) {
01238     /* Draw [v] button for settings of an enum-type */
01239     DrawDropDownButton(buttons_left, button_y, COLOUR_YELLOW, state != 0, editable);
01240   } else {
01241     /* Draw [<][>] boxes for settings of an integer-type */
01242     DrawArrowButtons(buttons_left, button_y, COLOUR_YELLOW, state,
01243         editable && value != (sdb->flags & SGF_0ISDISABLED ? 0 : sdb->min), editable && (uint32)value != sdb->max);
01244   }
01245   this->SetValueDParams(1, value);
01246   DrawString(text_left, text_right, y, sdb->str, highlight ? TC_WHITE : TC_LIGHT_BLUE);
01247 }
01248 
01249 
01250 /* == SettingsPage methods == */
01251 
01256 void SettingsPage::Init(byte level)
01257 {
01258   for (uint field = 0; field < this->num; field++) {
01259     this->entries[field].Init(level);
01260   }
01261 }
01262 
01264 void SettingsPage::FoldAll()
01265 {
01266   for (uint field = 0; field < this->num; field++) {
01267     this->entries[field].FoldAll();
01268   }
01269 }
01270 
01272 void SettingsPage::UnFoldAll()
01273 {
01274   for (uint field = 0; field < this->num; field++) {
01275     this->entries[field].UnFoldAll();
01276   }
01277 }
01278 
01284 void SettingsPage::GetFoldingState(bool &all_folded, bool &all_unfolded) const
01285 {
01286   for (uint field = 0; field < this->num; field++) {
01287     this->entries[field].GetFoldingState(all_folded, all_unfolded);
01288   }
01289 }
01290 
01297 bool SettingsPage::UpdateFilterState(SettingFilter &filter, bool force_visible)
01298 {
01299   bool visible = false;
01300   bool first_visible = true;
01301   for (int field = this->num - 1; field >= 0; field--) {
01302     visible |= this->entries[field].UpdateFilterState(filter, force_visible);
01303     this->entries[field].SetLastField(first_visible);
01304     if (visible && first_visible) first_visible = false;
01305   }
01306   return visible;
01307 }
01308 
01309 
01316 bool SettingsPage::IsVisible(const SettingEntry *item) const
01317 {
01318   for (uint field = 0; field < this->num; field++) {
01319     if (this->entries[field].IsVisible(item)) return true;
01320   }
01321   return false;
01322 }
01323 
01325 uint SettingsPage::Length() const
01326 {
01327   uint length = 0;
01328   for (uint field = 0; field < this->num; field++) {
01329     length += this->entries[field].Length();
01330   }
01331   return length;
01332 }
01333 
01340 SettingEntry *SettingsPage::FindEntry(uint row_num, uint *cur_row) const
01341 {
01342   SettingEntry *pe = NULL;
01343 
01344   for (uint field = 0; field < this->num; field++) {
01345     pe = this->entries[field].FindEntry(row_num, cur_row);
01346     if (pe != NULL) {
01347       break;
01348     }
01349   }
01350   return pe;
01351 }
01352 
01358 uint SettingsPage::GetMaxHelpHeight(int maxw)
01359 {
01360   uint biggest = 0;
01361   for (uint field = 0; field < this->num; field++) {
01362     biggest = max(biggest, this->entries[field].GetMaxHelpHeight(maxw));
01363   }
01364   return biggest;
01365 }
01366 
01385 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
01386 {
01387   if (cur_row >= max_row) return cur_row;
01388 
01389   for (uint i = 0; i < this->num; i++) {
01390     cur_row = this->entries[i].Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last, selected);
01391     if (cur_row >= max_row) {
01392       break;
01393     }
01394   }
01395   return cur_row;
01396 }
01397 
01398 
01399 static SettingEntry _settings_ui_localisation[] = {
01400   SettingEntry("locale.units_velocity"),
01401   SettingEntry("locale.units_power"),
01402   SettingEntry("locale.units_weight"),
01403   SettingEntry("locale.units_volume"),
01404   SettingEntry("locale.units_force"),
01405   SettingEntry("locale.units_height"),
01406 };
01408 static SettingsPage _settings_ui_localisation_page = {_settings_ui_localisation, lengthof(_settings_ui_localisation)};
01409 
01410 static SettingEntry _settings_ui_display[] = {
01411   SettingEntry("gui.date_format_in_default_names"),
01412   SettingEntry("gui.population_in_label"),
01413   SettingEntry("gui.measure_tooltip"),
01414   SettingEntry("gui.loading_indicators"),
01415   SettingEntry("gui.liveries"),
01416   SettingEntry("gui.show_track_reservation"),
01417   SettingEntry("gui.expenses_layout"),
01418   SettingEntry("gui.smallmap_land_colour"),
01419   SettingEntry("gui.zoom_min"),
01420   SettingEntry("gui.zoom_max"),
01421   SettingEntry("gui.graph_line_thickness"),
01422 };
01424 static SettingsPage _settings_ui_display_page = {_settings_ui_display, lengthof(_settings_ui_display)};
01425 
01426 static SettingEntry _settings_ui_interaction[] = {
01427   SettingEntry("gui.window_snap_radius"),
01428   SettingEntry("gui.window_soft_limit"),
01429   SettingEntry("gui.link_terraform_toolbar"),
01430   SettingEntry("gui.prefer_teamchat"),
01431   SettingEntry("gui.auto_scrolling"),
01432   SettingEntry("gui.reverse_scroll"),
01433   SettingEntry("gui.smooth_scroll"),
01434   SettingEntry("gui.left_mouse_btn_scrolling"),
01435   /* While the horizontal scrollwheel scrolling is written as general code, only
01436    *  the cocoa (OSX) driver generates input for it.
01437    *  Since it's also able to completely disable the scrollwheel will we display it on all platforms anyway */
01438   SettingEntry("gui.scrollwheel_scrolling"),
01439   SettingEntry("gui.scrollwheel_multiplier"),
01440   SettingEntry("gui.osk_activation"),
01441 #ifdef __APPLE__
01442   /* We might need to emulate a right mouse button on mac */
01443   SettingEntry("gui.right_mouse_btn_emulation"),
01444 #endif
01445 };
01447 static SettingsPage _settings_ui_interaction_page = {_settings_ui_interaction, lengthof(_settings_ui_interaction)};
01448 
01449 static SettingEntry _settings_ui_sound[] = {
01450   SettingEntry("sound.click_beep"),
01451   SettingEntry("sound.confirm"),
01452   SettingEntry("sound.news_ticker"),
01453   SettingEntry("sound.news_full"),
01454   SettingEntry("sound.new_year"),
01455   SettingEntry("sound.disaster"),
01456   SettingEntry("sound.vehicle"),
01457   SettingEntry("sound.ambient"),
01458 };
01460 static SettingsPage _settings_ui_sound_page = {_settings_ui_sound, lengthof(_settings_ui_sound)};
01461 
01462 static SettingEntry _settings_ui_news[] = {
01463   SettingEntry("news_display.arrival_player"),
01464   SettingEntry("news_display.arrival_other"),
01465   SettingEntry("news_display.accident"),
01466   SettingEntry("news_display.company_info"),
01467   SettingEntry("news_display.open"),
01468   SettingEntry("news_display.close"),
01469   SettingEntry("news_display.economy"),
01470   SettingEntry("news_display.production_player"),
01471   SettingEntry("news_display.production_other"),
01472   SettingEntry("news_display.production_nobody"),
01473   SettingEntry("news_display.advice"),
01474   SettingEntry("news_display.new_vehicles"),
01475   SettingEntry("news_display.acceptance"),
01476   SettingEntry("news_display.subsidies"),
01477   SettingEntry("news_display.general"),
01478   SettingEntry("gui.coloured_news_year"),
01479 };
01481 static SettingsPage _settings_ui_news_page = {_settings_ui_news, lengthof(_settings_ui_news)};
01482 
01483 static SettingEntry _settings_ui[] = {
01484   SettingEntry(&_settings_ui_localisation_page, STR_CONFIG_SETTING_LOCALISATION),
01485   SettingEntry(&_settings_ui_display_page, STR_CONFIG_SETTING_DISPLAY_OPTIONS),
01486   SettingEntry(&_settings_ui_interaction_page, STR_CONFIG_SETTING_INTERACTION),
01487   SettingEntry(&_settings_ui_sound_page, STR_CONFIG_SETTING_SOUND),
01488   SettingEntry(&_settings_ui_news_page, STR_CONFIG_SETTING_NEWS),
01489   SettingEntry("gui.show_finances"),
01490   SettingEntry("gui.errmsg_duration"),
01491   SettingEntry("gui.hover_delay"),
01492   SettingEntry("gui.toolbar_pos"),
01493   SettingEntry("gui.statusbar_pos"),
01494   SettingEntry("gui.newgrf_default_palette"),
01495   SettingEntry("gui.pause_on_newgame"),
01496   SettingEntry("gui.advanced_vehicle_list"),
01497   SettingEntry("gui.timetable_in_ticks"),
01498   SettingEntry("gui.timetable_arrival_departure"),
01499   SettingEntry("gui.quick_goto"),
01500   SettingEntry("gui.default_rail_type"),
01501   SettingEntry("gui.disable_unsuitable_building"),
01502   SettingEntry("gui.persistent_buildingtools"),
01503 };
01505 static SettingsPage _settings_ui_page = {_settings_ui, lengthof(_settings_ui)};
01506 
01507 static SettingEntry _settings_construction_signals[] = {
01508   SettingEntry("construction.train_signal_side"),
01509   SettingEntry("gui.enable_signal_gui"),
01510   SettingEntry("gui.drag_signals_fixed_distance"),
01511   SettingEntry("gui.semaphore_build_before"),
01512   SettingEntry("gui.default_signal_type"),
01513   SettingEntry("gui.cycle_signal_types"),
01514 };
01516 static SettingsPage _settings_construction_signals_page = {_settings_construction_signals, lengthof(_settings_construction_signals)};
01517 
01518 static SettingEntry _settings_construction[] = {
01519   SettingEntry(&_settings_construction_signals_page, STR_CONFIG_SETTING_CONSTRUCTION_SIGNALS),
01520   SettingEntry("construction.build_on_slopes"),
01521   SettingEntry("construction.autoslope"),
01522   SettingEntry("construction.extra_dynamite"),
01523   SettingEntry("construction.max_bridge_length"),
01524   SettingEntry("construction.max_tunnel_length"),
01525   SettingEntry("station.never_expire_airports"),
01526   SettingEntry("construction.freeform_edges"),
01527   SettingEntry("construction.extra_tree_placement"),
01528   SettingEntry("construction.command_pause_level"),
01529 };
01531 static SettingsPage _settings_construction_page = {_settings_construction, lengthof(_settings_construction)};
01532 
01533 static SettingEntry _settings_stations_cargo[] = {
01534   SettingEntry("order.improved_load"),
01535   SettingEntry("order.gradual_loading"),
01536   SettingEntry("order.selectgoods"),
01537 };
01539 static SettingsPage _settings_stations_cargo_page = {_settings_stations_cargo, lengthof(_settings_stations_cargo)};
01540 
01541 static SettingEntry _settings_stations[] = {
01542   SettingEntry(&_settings_stations_cargo_page, STR_CONFIG_SETTING_STATIONS_CARGOHANDLING),
01543   SettingEntry("station.adjacent_stations"),
01544   SettingEntry("station.distant_join_stations"),
01545   SettingEntry("station.station_spread"),
01546   SettingEntry("economy.station_noise_level"),
01547   SettingEntry("station.modified_catchment"),
01548   SettingEntry("construction.road_stop_on_town_road"),
01549   SettingEntry("construction.road_stop_on_competitor_road"),
01550 };
01552 static SettingsPage _settings_stations_page = {_settings_stations, lengthof(_settings_stations)};
01553 
01554 static SettingEntry _settings_economy_towns[] = {
01555   SettingEntry("difficulty.town_council_tolerance"),
01556   SettingEntry("economy.bribe"),
01557   SettingEntry("economy.exclusive_rights"),
01558   SettingEntry("economy.fund_roads"),
01559   SettingEntry("economy.fund_buildings"),
01560   SettingEntry("economy.town_layout"),
01561   SettingEntry("economy.allow_town_roads"),
01562   SettingEntry("economy.allow_town_level_crossings"),
01563   SettingEntry("economy.found_town"),
01564   SettingEntry("economy.mod_road_rebuild"),
01565   SettingEntry("economy.town_growth_rate"),
01566   SettingEntry("economy.larger_towns"),
01567   SettingEntry("economy.initial_city_size"),
01568 };
01570 static SettingsPage _settings_economy_towns_page = {_settings_economy_towns, lengthof(_settings_economy_towns)};
01571 
01572 static SettingEntry _settings_economy_industries[] = {
01573   SettingEntry("construction.raw_industry_construction"),
01574   SettingEntry("construction.industry_platform"),
01575   SettingEntry("economy.multiple_industry_per_town"),
01576   SettingEntry("game_creation.oil_refinery_limit"),
01577 };
01579 static SettingsPage _settings_economy_industries_page = {_settings_economy_industries, lengthof(_settings_economy_industries)};
01580 
01581 
01582 static SettingEntry _settings_economy[] = {
01583   SettingEntry(&_settings_economy_towns_page, STR_CONFIG_SETTING_ECONOMY_TOWNS),
01584   SettingEntry(&_settings_economy_industries_page, STR_CONFIG_SETTING_ECONOMY_INDUSTRIES),
01585   SettingEntry("economy.inflation"),
01586   SettingEntry("difficulty.initial_interest"),
01587   SettingEntry("difficulty.max_loan"),
01588   SettingEntry("difficulty.subsidy_multiplier"),
01589   SettingEntry("difficulty.economy"),
01590   SettingEntry("economy.smooth_economy"),
01591   SettingEntry("economy.feeder_payment_share"),
01592   SettingEntry("economy.infrastructure_maintenance"),
01593   SettingEntry("difficulty.vehicle_costs"),
01594   SettingEntry("difficulty.construction_cost"),
01595   SettingEntry("difficulty.disasters"),
01596 };
01598 static SettingsPage _settings_economy_page = {_settings_economy, lengthof(_settings_economy)};
01599 
01600 static SettingEntry _settings_linkgraph[] = {
01601   SettingEntry("linkgraph.recalc_time"),
01602   SettingEntry("linkgraph.recalc_interval"),
01603   SettingEntry("linkgraph.distribution_pax"),
01604   SettingEntry("linkgraph.distribution_mail"),
01605   SettingEntry("linkgraph.distribution_armoured"),
01606   SettingEntry("linkgraph.distribution_default"),
01607   SettingEntry("linkgraph.accuracy"),
01608   SettingEntry("linkgraph.demand_distance"),
01609   SettingEntry("linkgraph.demand_size"),
01610   SettingEntry("linkgraph.short_path_saturation"),
01611 };
01613 static SettingsPage _settings_linkgraph_page = {_settings_linkgraph, lengthof(_settings_linkgraph)};
01614 
01615 static SettingEntry _settings_ai_npc[] = {
01616   SettingEntry("script.settings_profile"),
01617   SettingEntry("script.script_max_opcode_till_suspend"),
01618   SettingEntry("difficulty.competitor_speed"),
01619   SettingEntry("ai.ai_in_multiplayer"),
01620   SettingEntry("ai.ai_disable_veh_train"),
01621   SettingEntry("ai.ai_disable_veh_roadveh"),
01622   SettingEntry("ai.ai_disable_veh_aircraft"),
01623   SettingEntry("ai.ai_disable_veh_ship"),
01624 };
01626 static SettingsPage _settings_ai_npc_page = {_settings_ai_npc, lengthof(_settings_ai_npc)};
01627 
01628 static SettingEntry _settings_ai[] = {
01629   SettingEntry(&_settings_ai_npc_page, STR_CONFIG_SETTING_AI_NPC),
01630   SettingEntry("economy.give_money"),
01631   SettingEntry("economy.allow_shares"),
01632 };
01634 static SettingsPage _settings_ai_page = {_settings_ai, lengthof(_settings_ai)};
01635 
01636 static SettingEntry _settings_vehicles_routing[] = {
01637   SettingEntry("pf.pathfinder_for_trains"),
01638   SettingEntry("pf.forbid_90_deg"),
01639   SettingEntry("pf.pathfinder_for_roadvehs"),
01640   SettingEntry("pf.roadveh_queue"),
01641   SettingEntry("pf.pathfinder_for_ships"),
01642 };
01644 static SettingsPage _settings_vehicles_routing_page = {_settings_vehicles_routing, lengthof(_settings_vehicles_routing)};
01645 
01646 static SettingEntry _settings_vehicles_autorenew[] = {
01647   SettingEntry("company.engine_renew"),
01648   SettingEntry("company.engine_renew_months"),
01649   SettingEntry("company.engine_renew_money"),
01650 };
01652 static SettingsPage _settings_vehicles_autorenew_page = {_settings_vehicles_autorenew, lengthof(_settings_vehicles_autorenew)};
01653 
01654 static SettingEntry _settings_vehicles_servicing[] = {
01655   SettingEntry("vehicle.servint_ispercent"),
01656   SettingEntry("vehicle.servint_trains"),
01657   SettingEntry("vehicle.servint_roadveh"),
01658   SettingEntry("vehicle.servint_ships"),
01659   SettingEntry("vehicle.servint_aircraft"),
01660   SettingEntry("difficulty.vehicle_breakdowns"),
01661   SettingEntry("order.no_servicing_if_no_breakdowns"),
01662   SettingEntry("order.serviceathelipad"),
01663 };
01665 static SettingsPage _settings_vehicles_servicing_page = {_settings_vehicles_servicing, lengthof(_settings_vehicles_servicing)};
01666 
01667 static SettingEntry _settings_vehicles_trains[] = {
01668   SettingEntry("difficulty.line_reverse_mode"),
01669   SettingEntry("pf.reverse_at_signals"),
01670   SettingEntry("vehicle.train_acceleration_model"),
01671   SettingEntry("vehicle.train_slope_steepness"),
01672   SettingEntry("vehicle.max_train_length"),
01673   SettingEntry("vehicle.wagon_speed_limits"),
01674   SettingEntry("vehicle.disable_elrails"),
01675   SettingEntry("vehicle.freight_trains"),
01676   SettingEntry("gui.stop_location"),
01677 };
01679 static SettingsPage _settings_vehicles_trains_page = {_settings_vehicles_trains, lengthof(_settings_vehicles_trains)};
01680 
01681 static SettingEntry _settings_vehicles[] = {
01682   SettingEntry(&_settings_vehicles_routing_page, STR_CONFIG_SETTING_VEHICLES_ROUTING),
01683   SettingEntry(&_settings_vehicles_autorenew_page, STR_CONFIG_SETTING_VEHICLES_AUTORENEW),
01684   SettingEntry(&_settings_vehicles_servicing_page, STR_CONFIG_SETTING_VEHICLES_SERVICING),
01685   SettingEntry(&_settings_vehicles_trains_page, STR_CONFIG_SETTING_VEHICLES_TRAINS),
01686   SettingEntry("gui.new_nonstop"),
01687   SettingEntry("gui.order_review_system"),
01688   SettingEntry("gui.vehicle_income_warn"),
01689   SettingEntry("gui.lost_vehicle_warn"),
01690   SettingEntry("vehicle.never_expire_vehicles"),
01691   SettingEntry("vehicle.max_trains"),
01692   SettingEntry("vehicle.max_roadveh"),
01693   SettingEntry("vehicle.max_aircraft"),
01694   SettingEntry("vehicle.max_ships"),
01695   SettingEntry("vehicle.plane_speed"),
01696   SettingEntry("vehicle.plane_crashes"),
01697   SettingEntry("vehicle.dynamic_engines"),
01698   SettingEntry("vehicle.roadveh_acceleration_model"),
01699   SettingEntry("vehicle.roadveh_slope_steepness"),
01700   SettingEntry("vehicle.smoke_amount"),
01701 };
01703 static SettingsPage _settings_vehicles_page = {_settings_vehicles, lengthof(_settings_vehicles)};
01704 
01705 static SettingEntry _settings_main[] = {
01706   SettingEntry(&_settings_ui_page,           STR_CONFIG_SETTING_GUI),
01707   SettingEntry(&_settings_construction_page, STR_CONFIG_SETTING_CONSTRUCTION),
01708   SettingEntry(&_settings_vehicles_page,     STR_CONFIG_SETTING_VEHICLES),
01709   SettingEntry(&_settings_stations_page,     STR_CONFIG_SETTING_STATIONS),
01710   SettingEntry(&_settings_economy_page,      STR_CONFIG_SETTING_ECONOMY),
01711   SettingEntry(&_settings_linkgraph_page,    STR_CONFIG_SETTING_LINKGRAPH),
01712   SettingEntry(&_settings_ai_page,           STR_CONFIG_SETTING_AI),
01713 };
01714 
01716 static SettingsPage _settings_main_page = {_settings_main, lengthof(_settings_main)};
01717 
01718 static const StringID _game_settings_restrict_dropdown[] = {
01719   STR_CONFIG_SETTING_RESTRICT_BASIC,                            // RM_BASIC
01720   STR_CONFIG_SETTING_RESTRICT_ADVANCED,                         // RM_ADVANCED
01721   STR_CONFIG_SETTING_RESTRICT_ALL,                              // RM_ALL
01722   STR_CONFIG_SETTING_RESTRICT_CHANGED_AGAINST_DEFAULT,          // RM_CHANGED_AGAINST_DEFAULT
01723   STR_CONFIG_SETTING_RESTRICT_CHANGED_AGAINST_NEW,              // RM_CHANGED_AGAINST_NEW
01724 };
01725 assert_compile(lengthof(_game_settings_restrict_dropdown) == RM_END);
01726 
01728 enum WarnHiddenResult {
01729   WHR_NONE,          
01730   WHR_CATEGORY,      
01731   WHR_TYPE,          
01732   WHR_CATEGORY_TYPE, 
01733 };
01734 
01736 struct GameSettingsWindow : Window {
01737   static const int SETTINGTREE_LEFT_OFFSET   = 5; 
01738   static const int SETTINGTREE_RIGHT_OFFSET  = 5; 
01739   static const int SETTINGTREE_TOP_OFFSET    = 5; 
01740   static const int SETTINGTREE_BOTTOM_OFFSET = 5; 
01741 
01742   static GameSettings *settings_ptr; 
01743 
01744   SettingEntry *valuewindow_entry;   
01745   SettingEntry *clicked_entry;       
01746   SettingEntry *last_clicked;        
01747   SettingEntry *valuedropdown_entry; 
01748   bool closing_dropdown;             
01749 
01750   SettingFilter filter;              
01751   QueryString filter_editbox;        
01752   bool manually_changed_folding;     
01753   WarnHiddenResult warn_missing;     
01754   int warn_lines;                    
01755 
01756   Scrollbar *vscroll;
01757 
01758   GameSettingsWindow(WindowDesc *desc) : Window(desc), filter_editbox(50)
01759   {
01760     static bool first_time = true;
01761 
01762     this->warn_missing = WHR_NONE;
01763     this->warn_lines = 0;
01764     this->filter.mode = (RestrictionMode)_settings_client.gui.settings_restriction_mode;
01765     this->filter.min_cat = RM_ALL;
01766     this->filter.type = ST_ALL;
01767     this->filter.type_hides = false;
01768     this->settings_ptr = &GetGameSettings();
01769 
01770     /* Build up the dynamic settings-array only once per OpenTTD session */
01771     if (first_time) {
01772       _settings_main_page.Init();
01773       first_time = false;
01774     } else {
01775       _settings_main_page.FoldAll(); // Close all sub-pages
01776     }
01777 
01778     this->valuewindow_entry = NULL; // No setting entry for which a entry window is opened
01779     this->clicked_entry = NULL; // No numeric setting buttons are depressed
01780     this->last_clicked = NULL;
01781     this->valuedropdown_entry = NULL;
01782     this->closing_dropdown = false;
01783     this->manually_changed_folding = false;
01784 
01785     this->CreateNestedTree();
01786     this->vscroll = this->GetScrollbar(WID_GS_SCROLLBAR);
01787     this->FinishInitNested(WN_GAME_OPTIONS_GAME_SETTINGS);
01788 
01789     this->querystrings[WID_GS_FILTER] = &this->filter_editbox;
01790     this->filter_editbox.cancel_button = QueryString::ACTION_CLEAR;
01791     this->SetFocusedWidget(WID_GS_FILTER);
01792 
01793     this->InvalidateData();
01794   }
01795 
01796   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
01797   {
01798     switch (widget) {
01799       case WID_GS_OPTIONSPANEL:
01800         resize->height = SETTING_HEIGHT = max(11, FONT_HEIGHT_NORMAL + 1);
01801         resize->width  = 1;
01802 
01803         size->height = 5 * resize->height + SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET;
01804         break;
01805 
01806       case WID_GS_HELP_TEXT: {
01807         static const StringID setting_types[] = {
01808           STR_CONFIG_SETTING_TYPE_CLIENT,
01809           STR_CONFIG_SETTING_TYPE_COMPANY_MENU, STR_CONFIG_SETTING_TYPE_COMPANY_INGAME,
01810           STR_CONFIG_SETTING_TYPE_GAME_MENU, STR_CONFIG_SETTING_TYPE_GAME_INGAME,
01811         };
01812         for (uint i = 0; i < lengthof(setting_types); i++) {
01813           SetDParam(0, setting_types[i]);
01814           size->width = max(size->width, GetStringBoundingBox(STR_CONFIG_SETTING_TYPE).width);
01815         }
01816         size->height = 2 * FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL +
01817             max(size->height, _settings_main_page.GetMaxHelpHeight(size->width));
01818         break;
01819       }
01820 
01821       case WID_GS_RESTRICT_CATEGORY:
01822       case WID_GS_RESTRICT_TYPE:
01823         size->width = max(GetStringBoundingBox(STR_CONFIG_SETTING_RESTRICT_CATEGORY).width, GetStringBoundingBox(STR_CONFIG_SETTING_RESTRICT_TYPE).width);
01824         break;
01825 
01826       default:
01827         break;
01828     }
01829   }
01830 
01831   virtual void OnPaint()
01832   {
01833     if (this->closing_dropdown) {
01834       this->closing_dropdown = false;
01835       assert(this->valuedropdown_entry != NULL);
01836       this->valuedropdown_entry->SetButtons(0);
01837       this->valuedropdown_entry = NULL;
01838     }
01839 
01840     /* Reserve the correct number of lines for the 'some search results are hidden' notice in the central settings display panel. */
01841     const NWidgetBase *panel = this->GetWidget<NWidgetBase>(WID_GS_OPTIONSPANEL);
01842     StringID warn_str = STR_CONFIG_SETTING_CATEGORY_HIDES - 1 + this->warn_missing;
01843     int new_warn_lines;
01844     if (this->warn_missing == WHR_NONE) {
01845       new_warn_lines = 0;
01846     } else {
01847       SetDParam(0, _game_settings_restrict_dropdown[this->filter.min_cat]);
01848       new_warn_lines = GetStringLineCount(warn_str, panel->current_x);
01849     }
01850     if (this->warn_lines != new_warn_lines) {
01851       this->vscroll->SetCount(this->vscroll->GetCount() - this->warn_lines + new_warn_lines);
01852       this->warn_lines = new_warn_lines;
01853     }
01854 
01855     this->DrawWidgets();
01856 
01857     /* Draw the 'some search results are hidden' notice. */
01858     if (this->warn_missing != WHR_NONE) {
01859       const int left = panel->pos_x;
01860       const int right = left + panel->current_x - 1;
01861       const int top = panel->pos_y;
01862       SetDParam(0, _game_settings_restrict_dropdown[this->filter.min_cat]);
01863       if (this->warn_lines == 1) {
01864         /* If the warning fits at one line, center it. */
01865         DrawString(left + WD_FRAMETEXT_LEFT, right - WD_FRAMETEXT_RIGHT, top + WD_FRAMETEXT_TOP, warn_str, TC_FROMSTRING, SA_HOR_CENTER);
01866       } else {
01867         DrawStringMultiLine(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top + WD_FRAMERECT_TOP, INT32_MAX, warn_str);
01868       }
01869     }
01870   }
01871 
01872   virtual void SetStringParameters(int widget) const
01873   {
01874     switch (widget) {
01875       case WID_GS_RESTRICT_DROPDOWN:
01876         SetDParam(0, _game_settings_restrict_dropdown[this->filter.mode]);
01877         break;
01878 
01879       case WID_GS_TYPE_DROPDOWN:
01880         switch (this->filter.type) {
01881           case ST_GAME:    SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_INGAME); break;
01882           case ST_COMPANY: SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_INGAME); break;
01883           case ST_CLIENT:  SetDParam(0, STR_CONFIG_SETTING_TYPE_DROPDOWN_CLIENT); break;
01884           default:         SetDParam(0, STR_CONFIG_SETTING_TYPE_DROPDOWN_ALL); break;
01885         }
01886         break;
01887     }
01888   }
01889 
01890   DropDownList *BuildDropDownList(int widget) const
01891   {
01892     DropDownList *list = NULL;
01893     switch (widget) {
01894       case WID_GS_RESTRICT_DROPDOWN:
01895         list = new DropDownList();
01896 
01897         for (int mode = 0; mode != RM_END; mode++) {
01898           /* If we are in adv. settings screen for the new game's settings,
01899            * we don't want to allow comparing with new game's settings. */
01900           bool disabled = mode == RM_CHANGED_AGAINST_NEW && settings_ptr == &_settings_newgame;
01901 
01902           *list->Append() = new DropDownListStringItem(_game_settings_restrict_dropdown[mode], mode, disabled);
01903         }
01904         break;
01905 
01906       case WID_GS_TYPE_DROPDOWN:
01907         list = new DropDownList();
01908         *list->Append() = new DropDownListStringItem(STR_CONFIG_SETTING_TYPE_DROPDOWN_ALL, ST_ALL, false);
01909         *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);
01910         *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);
01911         *list->Append() = new DropDownListStringItem(STR_CONFIG_SETTING_TYPE_DROPDOWN_CLIENT, ST_CLIENT, false);
01912         break;
01913     }
01914     return list;
01915   }
01916 
01917   virtual void DrawWidget(const Rect &r, int widget) const
01918   {
01919     switch (widget) {
01920       case WID_GS_OPTIONSPANEL: {
01921         int top_pos = r.top + SETTINGTREE_TOP_OFFSET + 1 + this->warn_lines * FONT_HEIGHT_NORMAL;
01922         uint last_row = this->vscroll->GetPosition() + this->vscroll->GetCapacity() - this->warn_lines;
01923         int next_row = _settings_main_page.Draw(settings_ptr, r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, top_pos,
01924             this->vscroll->GetPosition(), last_row, this->last_clicked);
01925         if (next_row == 0) DrawString(r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, top_pos, STR_CONFIG_SETTINGS_NONE);
01926         break;
01927       }
01928 
01929       case WID_GS_HELP_TEXT:
01930         if (this->last_clicked != NULL) {
01931           const SettingDesc *sd = this->last_clicked->d.entry.setting;
01932 
01933           int y = r.top;
01934           switch (sd->GetType()) {
01935             case ST_COMPANY: SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_COMPANY_INGAME); break;
01936             case ST_CLIENT:  SetDParam(0, STR_CONFIG_SETTING_TYPE_CLIENT); break;
01937             case ST_GAME:    SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_GAME_MENU : STR_CONFIG_SETTING_TYPE_GAME_INGAME); break;
01938             default: NOT_REACHED();
01939           }
01940           DrawString(r.left, r.right, y, STR_CONFIG_SETTING_TYPE);
01941           y += FONT_HEIGHT_NORMAL;
01942 
01943           int32 default_value = ReadValue(&sd->desc.def, sd->save.conv);
01944           this->last_clicked->SetValueDParams(0, default_value);
01945           DrawString(r.left, r.right, y, STR_CONFIG_SETTING_DEFAULT_VALUE);
01946           y += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
01947 
01948           DrawStringMultiLine(r.left, r.right, y, r.bottom, this->last_clicked->GetHelpText(), TC_WHITE);
01949         }
01950         break;
01951 
01952       default:
01953         break;
01954     }
01955   }
01956 
01961   void SetDisplayedHelpText(SettingEntry *pe)
01962   {
01963     if (this->last_clicked != pe) this->SetDirty();
01964     this->last_clicked = pe;
01965   }
01966 
01967   virtual void OnClick(Point pt, int widget, int click_count)
01968   {
01969     switch (widget) {
01970       case WID_GS_EXPAND_ALL:
01971         this->manually_changed_folding = true;
01972         _settings_main_page.UnFoldAll();
01973         this->InvalidateData();
01974         break;
01975 
01976       case WID_GS_COLLAPSE_ALL:
01977         this->manually_changed_folding = true;
01978         _settings_main_page.FoldAll();
01979         this->InvalidateData();
01980         break;
01981 
01982       case WID_GS_RESTRICT_DROPDOWN: {
01983         DropDownList *list = this->BuildDropDownList(widget);
01984         if (list != NULL) {
01985           ShowDropDownList(this, list, this->filter.mode, widget);
01986         }
01987         break;
01988       }
01989 
01990       case WID_GS_TYPE_DROPDOWN: {
01991         DropDownList *list = this->BuildDropDownList(widget);
01992         if (list != NULL) {
01993           ShowDropDownList(this, list, this->filter.type, widget);
01994         }
01995         break;
01996       }
01997     }
01998 
01999     if (widget != WID_GS_OPTIONSPANEL) return;
02000 
02001     uint btn = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET);
02002     if (btn == INT_MAX || (int)btn < this->warn_lines) return;
02003     btn -= this->warn_lines;
02004 
02005     uint cur_row = 0;
02006     SettingEntry *pe = _settings_main_page.FindEntry(btn, &cur_row);
02007 
02008     if (pe == NULL) return;  // Clicked below the last setting of the page
02009 
02010     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
02011     if (x < 0) return;  // Clicked left of the entry
02012 
02013     if ((pe->flags & SEF_KIND_MASK) == SEF_SUBTREE_KIND) {
02014       this->SetDisplayedHelpText(NULL);
02015       pe->d.sub.folded = !pe->d.sub.folded; // Flip 'folded'-ness of the sub-page
02016 
02017       this->manually_changed_folding = true;
02018 
02019       this->InvalidateData();
02020       return;
02021     }
02022 
02023     assert((pe->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
02024     const SettingDesc *sd = pe->d.entry.setting;
02025 
02026     /* return if action is only active in network, or only settable by server */
02027     if (!sd->IsEditable()) {
02028       this->SetDisplayedHelpText(pe);
02029       return;
02030     }
02031 
02032     const void *var = ResolveVariableAddress(settings_ptr, sd);
02033     int32 value = (int32)ReadValue(var, sd->save.conv);
02034 
02035     /* clicked on the icon on the left side. Either scroller, bool on/off or dropdown */
02036     if (x < SETTING_BUTTON_WIDTH && (sd->desc.flags & SGF_MULTISTRING)) {
02037       const SettingDescBase *sdb = &sd->desc;
02038       this->SetDisplayedHelpText(pe);
02039 
02040       if (this->valuedropdown_entry == pe) {
02041         /* unclick the dropdown */
02042         HideDropDownMenu(this);
02043         this->closing_dropdown = false;
02044         this->valuedropdown_entry->SetButtons(0);
02045         this->valuedropdown_entry = NULL;
02046       } else {
02047         if (this->valuedropdown_entry != NULL) this->valuedropdown_entry->SetButtons(0);
02048         this->closing_dropdown = false;
02049 
02050         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_GS_OPTIONSPANEL);
02051         int rel_y = (pt.y - (int)wid->pos_y - SETTINGTREE_TOP_OFFSET) % wid->resize_y;
02052 
02053         Rect wi_rect;
02054         wi_rect.left = pt.x - (_current_text_dir == TD_RTL ? SETTING_BUTTON_WIDTH - 1 - x : x);
02055         wi_rect.right = wi_rect.left + SETTING_BUTTON_WIDTH - 1;
02056         wi_rect.top = pt.y - rel_y + (SETTING_HEIGHT - SETTING_BUTTON_HEIGHT) / 2;
02057         wi_rect.bottom = wi_rect.top + SETTING_BUTTON_HEIGHT - 1;
02058 
02059         /* For dropdowns we also have to check the y position thoroughly, the mouse may not above the just opening dropdown */
02060         if (pt.y >= wi_rect.top && pt.y <= wi_rect.bottom) {
02061           this->valuedropdown_entry = pe;
02062           this->valuedropdown_entry->SetButtons(SEF_LEFT_DEPRESSED);
02063 
02064           DropDownList *list = new DropDownList();
02065           for (int i = sdb->min; i <= (int)sdb->max; i++) {
02066             *list->Append() = new DropDownListStringItem(sdb->str_val + i - sdb->min, i, false);
02067           }
02068 
02069           ShowDropDownListAt(this, list, value, -1, wi_rect, COLOUR_ORANGE, true);
02070         }
02071       }
02072       this->SetDirty();
02073     } else if (x < SETTING_BUTTON_WIDTH) {
02074       this->SetDisplayedHelpText(pe);
02075       const SettingDescBase *sdb = &sd->desc;
02076       int32 oldvalue = value;
02077 
02078       switch (sdb->cmd) {
02079         case SDT_BOOLX: value ^= 1; break;
02080         case SDT_ONEOFMANY:
02081         case SDT_NUMX: {
02082           /* Add a dynamic step-size to the scroller. In a maximum of
02083            * 50-steps you should be able to get from min to max,
02084            * unless specified otherwise in the 'interval' variable
02085            * of the current setting. */
02086           uint32 step = (sdb->interval == 0) ? ((sdb->max - sdb->min) / 50) : sdb->interval;
02087           if (step == 0) step = 1;
02088 
02089           /* don't allow too fast scrolling */
02090           if ((this->flags & WF_TIMEOUT) && this->timeout_timer > 1) {
02091             _left_button_clicked = false;
02092             return;
02093           }
02094 
02095           /* Increase or decrease the value and clamp it to extremes */
02096           if (x >= SETTING_BUTTON_WIDTH / 2) {
02097             value += step;
02098             if (sdb->min < 0) {
02099               assert((int32)sdb->max >= 0);
02100               if (value > (int32)sdb->max) value = (int32)sdb->max;
02101             } else {
02102               if ((uint32)value > sdb->max) value = (int32)sdb->max;
02103             }
02104             if (value < sdb->min) value = sdb->min; // skip between "disabled" and minimum
02105           } else {
02106             value -= step;
02107             if (value < sdb->min) value = (sdb->flags & SGF_0ISDISABLED) ? 0 : sdb->min;
02108           }
02109 
02110           /* Set up scroller timeout for numeric values */
02111           if (value != oldvalue) {
02112             if (this->clicked_entry != NULL) { // Release previous buttons if any
02113               this->clicked_entry->SetButtons(0);
02114             }
02115             this->clicked_entry = pe;
02116             this->clicked_entry->SetButtons((x >= SETTING_BUTTON_WIDTH / 2) != (_current_text_dir == TD_RTL) ? SEF_RIGHT_DEPRESSED : SEF_LEFT_DEPRESSED);
02117             this->SetTimeout();
02118             _left_button_clicked = false;
02119           }
02120           break;
02121         }
02122 
02123         default: NOT_REACHED();
02124       }
02125 
02126       if (value != oldvalue) {
02127         if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
02128           SetCompanySetting(pe->d.entry.index, value);
02129         } else {
02130           SetSettingValue(pe->d.entry.index, value);
02131         }
02132         this->SetDirty();
02133       }
02134     } else {
02135       /* Only open editbox if clicked for the second time, and only for types where it is sensible for. */
02136       if (this->last_clicked == pe && sd->desc.cmd != SDT_BOOLX && !(sd->desc.flags & SGF_MULTISTRING)) {
02137         /* Show the correct currency-translated value */
02138         if (sd->desc.flags & SGF_CURRENCY) value *= _currency->rate;
02139 
02140         this->valuewindow_entry = pe;
02141         SetDParam(0, value);
02142         ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
02143       }
02144       this->SetDisplayedHelpText(pe);
02145     }
02146   }
02147 
02148   virtual void OnTimeout()
02149   {
02150     if (this->clicked_entry != NULL) { // On timeout, release any depressed buttons
02151       this->clicked_entry->SetButtons(0);
02152       this->clicked_entry = NULL;
02153       this->SetDirty();
02154     }
02155   }
02156 
02157   virtual void OnQueryTextFinished(char *str)
02158   {
02159     /* The user pressed cancel */
02160     if (str == NULL) return;
02161 
02162     assert(this->valuewindow_entry != NULL);
02163     assert((this->valuewindow_entry->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
02164     const SettingDesc *sd = this->valuewindow_entry->d.entry.setting;
02165 
02166     int32 value;
02167     if (!StrEmpty(str)) {
02168       value = atoi(str);
02169 
02170       /* Save the correct currency-translated value */
02171       if (sd->desc.flags & SGF_CURRENCY) value /= _currency->rate;
02172     } else {
02173       value = (int32)(size_t)sd->desc.def;
02174     }
02175 
02176     if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
02177       SetCompanySetting(this->valuewindow_entry->d.entry.index, value);
02178     } else {
02179       SetSettingValue(this->valuewindow_entry->d.entry.index, value);
02180     }
02181     this->SetDirty();
02182   }
02183 
02184   virtual void OnDropdownSelect(int widget, int index)
02185   {
02186     switch (widget) {
02187       case WID_GS_RESTRICT_DROPDOWN:
02188         this->filter.mode = (RestrictionMode)index;
02189         if (this->filter.mode == RM_CHANGED_AGAINST_DEFAULT ||
02190             this->filter.mode == RM_CHANGED_AGAINST_NEW) {
02191 
02192           if (!this->manually_changed_folding) {
02193             /* Expand all when selecting 'changes'. Update the filter state first, in case it becomes less restrictive in some cases. */
02194             _settings_main_page.UpdateFilterState(this->filter, false);
02195             _settings_main_page.UnFoldAll();
02196           }
02197         } else {
02198           /* Non-'changes' filter. Save as default. */
02199           _settings_client.gui.settings_restriction_mode = this->filter.mode;
02200         }
02201         this->InvalidateData();
02202         break;
02203 
02204       case WID_GS_TYPE_DROPDOWN:
02205         this->filter.type = (SettingType)index;
02206         this->InvalidateData();
02207         break;
02208 
02209       default:
02210         if (widget < 0) {
02211           /* Deal with drop down boxes on the panel. */
02212           assert(this->valuedropdown_entry != NULL);
02213           const SettingDesc *sd = this->valuedropdown_entry->d.entry.setting;
02214           assert(sd->desc.flags & SGF_MULTISTRING);
02215 
02216           if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
02217             SetCompanySetting(this->valuedropdown_entry->d.entry.index, index);
02218           } else {
02219             SetSettingValue(this->valuedropdown_entry->d.entry.index, index);
02220           }
02221 
02222           this->SetDirty();
02223         }
02224         break;
02225     }
02226   }
02227 
02228   virtual void OnDropdownClose(Point pt, int widget, int index, bool instant_close)
02229   {
02230     if (widget >= 0) {
02231       /* Normally the default implementation of OnDropdownClose() takes care of
02232        * a few things. We want that behaviour here too, but only for
02233        * "normal" dropdown boxes. The special dropdown boxes added for every
02234        * setting that needs one can't have this call. */
02235       Window::OnDropdownClose(pt, widget, index, instant_close);
02236     } else {
02237       /* We cannot raise the dropdown button just yet. OnClick needs some hint, whether
02238        * the same dropdown button was clicked again, and then not open the dropdown again.
02239        * So, we only remember that it was closed, and process it on the next OnPaint, which is
02240        * after OnClick. */
02241       assert(this->valuedropdown_entry != NULL);
02242       this->closing_dropdown = true;
02243       this->SetDirty();
02244     }
02245   }
02246 
02247   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
02248   {
02249     if (!gui_scope) return;
02250 
02251     /* Update which settings are to be visible. */
02252     RestrictionMode min_level = (this->filter.mode <= RM_ALL) ? this->filter.mode : RM_BASIC;
02253     this->filter.min_cat = min_level;
02254     this->filter.type_hides = false;
02255     _settings_main_page.UpdateFilterState(this->filter, false);
02256 
02257     if (this->filter.string.IsEmpty()) {
02258       this->warn_missing = WHR_NONE;
02259     } else if (min_level < this->filter.min_cat) {
02260       this->warn_missing = this->filter.type_hides ? WHR_CATEGORY_TYPE : WHR_CATEGORY;
02261     } else {
02262       this->warn_missing = this->filter.type_hides ? WHR_TYPE : WHR_NONE;
02263     }
02264     this->vscroll->SetCount(_settings_main_page.Length() + this->warn_lines);
02265 
02266     if (this->last_clicked != NULL && !_settings_main_page.IsVisible(this->last_clicked)) {
02267       this->SetDisplayedHelpText(NULL);
02268     }
02269 
02270     bool all_folded = true;
02271     bool all_unfolded = true;
02272     _settings_main_page.GetFoldingState(all_folded, all_unfolded);
02273     this->SetWidgetDisabledState(WID_GS_EXPAND_ALL, all_unfolded);
02274     this->SetWidgetDisabledState(WID_GS_COLLAPSE_ALL, all_folded);
02275   }
02276 
02277   virtual void OnEditboxChanged(int wid)
02278   {
02279     if (wid == WID_GS_FILTER) {
02280       this->filter.string.SetFilterTerm(this->filter_editbox.text.buf);
02281       if (!this->filter.string.IsEmpty() && !this->manually_changed_folding) {
02282         /* User never expanded/collapsed single pages and entered a filter term.
02283          * Expand everything, to save weird expand clicks, */
02284         _settings_main_page.UnFoldAll();
02285       }
02286       this->InvalidateData();
02287     }
02288   }
02289 
02290   virtual void OnResize()
02291   {
02292     this->vscroll->SetCapacityFromWidget(this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET);
02293   }
02294 };
02295 
02296 GameSettings *GameSettingsWindow::settings_ptr = NULL;
02297 
02298 static const NWidgetPart _nested_settings_selection_widgets[] = {
02299   NWidget(NWID_HORIZONTAL),
02300     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
02301     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_CONFIG_SETTING_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
02302     NWidget(WWT_DEFSIZEBOX, COLOUR_MAUVE),
02303   EndContainer(),
02304   NWidget(WWT_PANEL, COLOUR_MAUVE),
02305     NWidget(NWID_VERTICAL), SetPIP(0, WD_PAR_VSEP_NORMAL, 0), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0),
02306       NWidget(NWID_HORIZONTAL), SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
02307         NWidget(WWT_TEXT, COLOUR_MAUVE, WID_GS_RESTRICT_CATEGORY), SetDataTip(STR_CONFIG_SETTING_RESTRICT_CATEGORY, STR_NULL),
02308         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),
02309       EndContainer(),
02310       NWidget(NWID_HORIZONTAL), SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
02311         NWidget(WWT_TEXT, COLOUR_MAUVE, WID_GS_RESTRICT_TYPE), SetDataTip(STR_CONFIG_SETTING_RESTRICT_TYPE, STR_NULL),
02312         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),
02313       EndContainer(),
02314     EndContainer(),
02315     NWidget(NWID_HORIZONTAL), SetPadding(0, 0, WD_TEXTPANEL_BOTTOM, 0),
02316         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
02317       NWidget(WWT_TEXT, COLOUR_MAUVE), SetFill(0, 1), SetDataTip(STR_CONFIG_SETTING_FILTER_TITLE, STR_NULL),
02318       NWidget(WWT_EDITBOX, COLOUR_MAUVE, WID_GS_FILTER), SetFill(1, 0), SetMinimalSize(50, 12), SetResize(1, 0),
02319           SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
02320     EndContainer(),
02321   EndContainer(),
02322   NWidget(NWID_HORIZONTAL),
02323     NWidget(WWT_PANEL, COLOUR_MAUVE, WID_GS_OPTIONSPANEL), SetMinimalSize(400, 174), SetScrollbar(WID_GS_SCROLLBAR), EndContainer(),
02324     NWidget(NWID_VERTICAL),
02325       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_GS_SCROLLBAR),
02326     EndContainer(),
02327   EndContainer(),
02328   NWidget(WWT_PANEL, COLOUR_MAUVE), SetMinimalSize(400, 40),
02329     NWidget(WWT_EMPTY, INVALID_COLOUR, WID_GS_HELP_TEXT), SetMinimalSize(300, 25), SetFill(1, 1), SetResize(1, 0),
02330         SetPadding(WD_FRAMETEXT_TOP, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_BOTTOM, WD_FRAMETEXT_LEFT),
02331     NWidget(NWID_HORIZONTAL),
02332       NWidget(WWT_PANEL, COLOUR_MAUVE),
02333         NWidget(NWID_HORIZONTAL),
02334           NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_GS_EXPAND_ALL), SetDataTip(STR_CONFIG_SETTING_EXPAND_ALL, STR_NULL),
02335           NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_GS_COLLAPSE_ALL), SetDataTip(STR_CONFIG_SETTING_COLLAPSE_ALL, STR_NULL),
02336           NWidget(NWID_SPACER, INVALID_COLOUR), SetFill(1, 1), SetResize(1, 0),
02337         EndContainer(),
02338       EndContainer(),
02339       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
02340     EndContainer(),
02341   EndContainer(),
02342 };
02343 
02344 static WindowDesc _settings_selection_desc(
02345   WDP_CENTER, "settings", 510, 450,
02346   WC_GAME_OPTIONS, WC_NONE,
02347   0,
02348   _nested_settings_selection_widgets, lengthof(_nested_settings_selection_widgets)
02349 );
02350 
02352 void ShowGameSettings()
02353 {
02354   DeleteWindowByClass(WC_GAME_OPTIONS);
02355   new GameSettingsWindow(&_settings_selection_desc);
02356 }
02357 
02358 
02368 void DrawArrowButtons(int x, int y, Colours button_colour, byte state, bool clickable_left, bool clickable_right)
02369 {
02370   int colour = _colour_gradient[button_colour][2];
02371 
02372   DrawFrameRect(x,                            y, x + SETTING_BUTTON_WIDTH / 2 - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, (state == 1) ? FR_LOWERED : FR_NONE);
02373   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);
02374   DrawSprite(SPR_ARROW_LEFT, PAL_NONE, x + WD_IMGBTN_LEFT, y + WD_IMGBTN_TOP);
02375   DrawSprite(SPR_ARROW_RIGHT, PAL_NONE, x + WD_IMGBTN_LEFT + SETTING_BUTTON_WIDTH / 2, y + WD_IMGBTN_TOP);
02376 
02377   /* Grey out the buttons that aren't clickable */
02378   bool rtl = _current_text_dir == TD_RTL;
02379   if (rtl ? !clickable_right : !clickable_left) {
02380     GfxFillRect(x                            + 1, y, x + SETTING_BUTTON_WIDTH / 2 - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
02381   }
02382   if (rtl ? !clickable_left : !clickable_right) {
02383     GfxFillRect(x + SETTING_BUTTON_WIDTH / 2 + 1, y, x + SETTING_BUTTON_WIDTH     - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
02384   }
02385 }
02386 
02395 void DrawDropDownButton(int x, int y, Colours button_colour, bool state, bool clickable)
02396 {
02397   static const char *DOWNARROW = "\xEE\x8A\xAA";
02398 
02399   int colour = _colour_gradient[button_colour][2];
02400 
02401   DrawFrameRect(x, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, state ? FR_LOWERED : FR_NONE);
02402   DrawString(x + (state ? 1 : 0), x + SETTING_BUTTON_WIDTH - (state ? 0 : 1), y + (state ? 2 : 1), DOWNARROW, TC_BLACK, SA_HOR_CENTER);
02403 
02404   if (!clickable) {
02405     GfxFillRect(x +  1, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
02406   }
02407 }
02408 
02416 void DrawBoolButton(int x, int y, bool state, bool clickable)
02417 {
02418   static const Colours _bool_ctabs[2][2] = {{COLOUR_CREAM, COLOUR_RED}, {COLOUR_DARK_GREEN, COLOUR_GREEN}};
02419   DrawFrameRect(x, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 1, _bool_ctabs[state][clickable], state ? FR_LOWERED : FR_NONE);
02420 }
02421 
02422 struct CustomCurrencyWindow : Window {
02423   int query_widget;
02424 
02425   CustomCurrencyWindow(WindowDesc *desc) : Window(desc)
02426   {
02427     this->InitNested();
02428 
02429     SetButtonState();
02430   }
02431 
02432   void SetButtonState()
02433   {
02434     this->SetWidgetDisabledState(WID_CC_RATE_DOWN, _custom_currency.rate == 1);
02435     this->SetWidgetDisabledState(WID_CC_RATE_UP, _custom_currency.rate == UINT16_MAX);
02436     this->SetWidgetDisabledState(WID_CC_YEAR_DOWN, _custom_currency.to_euro == CF_NOEURO);
02437     this->SetWidgetDisabledState(WID_CC_YEAR_UP, _custom_currency.to_euro == MAX_YEAR);
02438   }
02439 
02440   virtual void SetStringParameters(int widget) const
02441   {
02442     switch (widget) {
02443       case WID_CC_RATE:      SetDParam(0, 1); SetDParam(1, 1);            break;
02444       case WID_CC_SEPARATOR: SetDParamStr(0, _custom_currency.separator); break;
02445       case WID_CC_PREFIX:    SetDParamStr(0, _custom_currency.prefix);    break;
02446       case WID_CC_SUFFIX:    SetDParamStr(0, _custom_currency.suffix);    break;
02447       case WID_CC_YEAR:
02448         SetDParam(0, (_custom_currency.to_euro != CF_NOEURO) ? STR_CURRENCY_SWITCH_TO_EURO : STR_CURRENCY_SWITCH_TO_EURO_NEVER);
02449         SetDParam(1, _custom_currency.to_euro);
02450         break;
02451 
02452       case WID_CC_PREVIEW:
02453         SetDParam(0, 10000);
02454         break;
02455     }
02456   }
02457 
02458   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
02459   {
02460     switch (widget) {
02461       /* Set the appropriate width for the edit 'buttons' */
02462       case WID_CC_SEPARATOR_EDIT:
02463       case WID_CC_PREFIX_EDIT:
02464       case WID_CC_SUFFIX_EDIT:
02465         size->width  = this->GetWidget<NWidgetBase>(WID_CC_RATE_DOWN)->smallest_x + this->GetWidget<NWidgetBase>(WID_CC_RATE_UP)->smallest_x;
02466         break;
02467 
02468       /* Make sure the window is wide enough for the widest exchange rate */
02469       case WID_CC_RATE:
02470         SetDParam(0, 1);
02471         SetDParam(1, INT32_MAX);
02472         *size = GetStringBoundingBox(STR_CURRENCY_EXCHANGE_RATE);
02473         break;
02474     }
02475   }
02476 
02477   virtual void OnClick(Point pt, int widget, int click_count)
02478   {
02479     int line = 0;
02480     int len = 0;
02481     StringID str = 0;
02482     CharSetFilter afilter = CS_ALPHANUMERAL;
02483 
02484     switch (widget) {
02485       case WID_CC_RATE_DOWN:
02486         if (_custom_currency.rate > 1) _custom_currency.rate--;
02487         if (_custom_currency.rate == 1) this->DisableWidget(WID_CC_RATE_DOWN);
02488         this->EnableWidget(WID_CC_RATE_UP);
02489         break;
02490 
02491       case WID_CC_RATE_UP:
02492         if (_custom_currency.rate < UINT16_MAX) _custom_currency.rate++;
02493         if (_custom_currency.rate == UINT16_MAX) this->DisableWidget(WID_CC_RATE_UP);
02494         this->EnableWidget(WID_CC_RATE_DOWN);
02495         break;
02496 
02497       case WID_CC_RATE:
02498         SetDParam(0, _custom_currency.rate);
02499         str = STR_JUST_INT;
02500         len = 5;
02501         line = WID_CC_RATE;
02502         afilter = CS_NUMERAL;
02503         break;
02504 
02505       case WID_CC_SEPARATOR_EDIT:
02506       case WID_CC_SEPARATOR:
02507         SetDParamStr(0, _custom_currency.separator);
02508         str = STR_JUST_RAW_STRING;
02509         len = 1;
02510         line = WID_CC_SEPARATOR;
02511         break;
02512 
02513       case WID_CC_PREFIX_EDIT:
02514       case WID_CC_PREFIX:
02515         SetDParamStr(0, _custom_currency.prefix);
02516         str = STR_JUST_RAW_STRING;
02517         len = 12;
02518         line = WID_CC_PREFIX;
02519         break;
02520 
02521       case WID_CC_SUFFIX_EDIT:
02522       case WID_CC_SUFFIX:
02523         SetDParamStr(0, _custom_currency.suffix);
02524         str = STR_JUST_RAW_STRING;
02525         len = 12;
02526         line = WID_CC_SUFFIX;
02527         break;
02528 
02529       case WID_CC_YEAR_DOWN:
02530         _custom_currency.to_euro = (_custom_currency.to_euro <= 2000) ? CF_NOEURO : _custom_currency.to_euro - 1;
02531         if (_custom_currency.to_euro == CF_NOEURO) this->DisableWidget(WID_CC_YEAR_DOWN);
02532         this->EnableWidget(WID_CC_YEAR_UP);
02533         break;
02534 
02535       case WID_CC_YEAR_UP:
02536         _custom_currency.to_euro = Clamp(_custom_currency.to_euro + 1, 2000, MAX_YEAR);
02537         if (_custom_currency.to_euro == MAX_YEAR) this->DisableWidget(WID_CC_YEAR_UP);
02538         this->EnableWidget(WID_CC_YEAR_DOWN);
02539         break;
02540 
02541       case WID_CC_YEAR:
02542         SetDParam(0, _custom_currency.to_euro);
02543         str = STR_JUST_INT;
02544         len = 7;
02545         line = WID_CC_YEAR;
02546         afilter = CS_NUMERAL;
02547         break;
02548     }
02549 
02550     if (len != 0) {
02551       this->query_widget = line;
02552       ShowQueryString(str, STR_CURRENCY_CHANGE_PARAMETER, len + 1, this, afilter, QSF_NONE);
02553     }
02554 
02555     this->SetTimeout();
02556     this->SetDirty();
02557   }
02558 
02559   virtual void OnQueryTextFinished(char *str)
02560   {
02561     if (str == NULL) return;
02562 
02563     switch (this->query_widget) {
02564       case WID_CC_RATE:
02565         _custom_currency.rate = Clamp(atoi(str), 1, UINT16_MAX);
02566         break;
02567 
02568       case WID_CC_SEPARATOR: // Thousands separator
02569         strecpy(_custom_currency.separator, str, lastof(_custom_currency.separator));
02570         break;
02571 
02572       case WID_CC_PREFIX:
02573         strecpy(_custom_currency.prefix, str, lastof(_custom_currency.prefix));
02574         break;
02575 
02576       case WID_CC_SUFFIX:
02577         strecpy(_custom_currency.suffix, str, lastof(_custom_currency.suffix));
02578         break;
02579 
02580       case WID_CC_YEAR: { // Year to switch to euro
02581         int val = atoi(str);
02582 
02583         _custom_currency.to_euro = (val < 2000 ? CF_NOEURO : min(val, MAX_YEAR));
02584         break;
02585       }
02586     }
02587     MarkWholeScreenDirty();
02588     SetButtonState();
02589   }
02590 
02591   virtual void OnTimeout()
02592   {
02593     this->SetDirty();
02594   }
02595 };
02596 
02597 static const NWidgetPart _nested_cust_currency_widgets[] = {
02598   NWidget(NWID_HORIZONTAL),
02599     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
02600     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CURRENCY_WINDOW, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
02601   EndContainer(),
02602   NWidget(WWT_PANEL, COLOUR_GREY),
02603     NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(7, 3, 0),
02604       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02605         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_EXCHANGE_RATE_TOOLTIP),
02606         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_EXCHANGE_RATE_TOOLTIP),
02607         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02608         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_RATE), SetDataTip(STR_CURRENCY_EXCHANGE_RATE, STR_CURRENCY_SET_EXCHANGE_RATE_TOOLTIP), SetFill(1, 0),
02609       EndContainer(),
02610       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02611         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SEPARATOR_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(0, 1),
02612         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02613         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SEPARATOR), SetDataTip(STR_CURRENCY_SEPARATOR, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(1, 0),
02614       EndContainer(),
02615       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02616         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_PREFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(0, 1),
02617         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02618         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_PREFIX), SetDataTip(STR_CURRENCY_PREFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(1, 0),
02619       EndContainer(),
02620       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02621         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SUFFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(0, 1),
02622         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02623         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SUFFIX), SetDataTip(STR_CURRENCY_SUFFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(1, 0),
02624       EndContainer(),
02625       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
02626         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
02627         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
02628         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
02629         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_YEAR), SetDataTip(STR_JUST_STRING, STR_CURRENCY_SET_CUSTOM_CURRENCY_TO_EURO_TOOLTIP), SetFill(1, 0),
02630       EndContainer(),
02631     EndContainer(),
02632     NWidget(WWT_LABEL, COLOUR_BLUE, WID_CC_PREVIEW),
02633                 SetDataTip(STR_CURRENCY_PREVIEW, STR_CURRENCY_CUSTOM_CURRENCY_PREVIEW_TOOLTIP), SetPadding(15, 1, 18, 2),
02634   EndContainer(),
02635 };
02636 
02637 static WindowDesc _cust_currency_desc(
02638   WDP_CENTER, NULL, 0, 0,
02639   WC_CUSTOM_CURRENCY, WC_NONE,
02640   0,
02641   _nested_cust_currency_widgets, lengthof(_nested_cust_currency_widgets)
02642 );
02643 
02645 static void ShowCustCurrency()
02646 {
02647   DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
02648   new CustomCurrencyWindow(&_cust_currency_desc);
02649 }