# settings_gui.cpp

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    00001 /* $Id: settings_gui.cpp 24900 2013-01-08 22:46:42Z planetmaker $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
    00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00012 #include "stdafx.h"
    00013 #include "currency.h"
    00014 #include "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 _units_dropdown[] = {
    00043   STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL,
    00044   STR_GAME_OPTIONS_MEASURING_UNITS_METRIC,
    00045   STR_GAME_OPTIONS_MEASURING_UNITS_SI,
    00046   INVALID_STRING_ID
    00047 };
    00048
    00049 static const StringID _driveside_dropdown[] = {
    00050   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT,
    00051   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_RIGHT,
    00052   INVALID_STRING_ID
    00053 };
    00054
    00055 static const StringID _autosave_dropdown[] = {
    00056   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_OFF,
    00057   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_1_MONTH,
    00058   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_3_MONTHS,
    00059   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_6_MONTHS,
    00060   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_12_MONTHS,
    00061   INVALID_STRING_ID,
    00062 };
    00063
    00064 int _nb_orig_names = SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1;
    00065 static StringID *_grf_names = NULL;
    00066 static int _nb_grf_names = 0;
    00067
    00068 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd);
    00069
    00071 void InitGRFTownGeneratorNames()
    00072 {
    00073   free(_grf_names);
    00074   _grf_names = GetGRFTownNameList();
    00075   _nb_grf_names = 0;
    00076   for (StringID *s = _grf_names; *s != INVALID_STRING_ID; s++) _nb_grf_names++;
    00077 }
    00078
    00084 static inline StringID TownName(int town_name)
    00085 {
    00086   if (town_name < _nb_orig_names) return STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + town_name;
    00087   town_name -= _nb_orig_names;
    00088   if (town_name < _nb_grf_names) return _grf_names[town_name];
    00089   return STR_UNDEFINED;
    00090 }
    00091
    00096 static int GetCurRes()
    00097 {
    00098   int i;
    00099
    00100   for (i = 0; i != _num_resolutions; i++) {
    00101     if ((int)_resolutions[i].width == _screen.width &&
    00102         (int)_resolutions[i].height == _screen.height) {
    00103       break;
    00104     }
    00105   }
    00106   return i;
    00107 }
    00108
    00109 static void ShowCustCurrency();
    00110
    00111 template <class T>
    00112 static DropDownList *BuiltSetDropDownList(int *selected_index)
    00113 {
    00114   int n = T::GetNumSets();
    00115   *selected_index = T::GetIndexOfUsedSet();
    00116
    00117   DropDownList *list = new DropDownList();
    00118   for (int i = 0; i < n; i++) {
    00119     list->push_back(new DropDownListCharStringItem(T::GetSet(i)->name, i, (_game_mode == GM_MENU) ? false : (*selected_index != i)));
    00120   }
    00121
    00122   return list;
    00123 }
    00124
    00126 template <class TBaseSet>
    00127 struct BaseSetTextfileWindow : public TextfileWindow {
    00128   const TBaseSet* baseset;
    00129   StringID content_type;
    00130
    00131   BaseSetTextfileWindow(TextfileType file_type, const TBaseSet* baseset, StringID content_type) : TextfileWindow(file_type), baseset(baseset), content_type(content_type)
    00132   {
    00133     const char *textfile = this->baseset->GetTextfile(file_type);
    00134     this->LoadTextfile(textfile, BASESET_DIR);
    00135   }
    00136
    00137   /* virtual */ void SetStringParameters(int widget) const
    00138   {
    00139     if (widget == WID_TF_CAPTION) {
    00140       SetDParam(0, content_type);
    00141       SetDParamStr(1, this->baseset->name);
    00142     }
    00143   }
    00144 };
    00145
    00152 template <class TBaseSet>
    00153 void ShowBaseSetTextfileWindow(TextfileType file_type, const TBaseSet* baseset, StringID content_type)
    00154 {
    00155   DeleteWindowByClass(WC_TEXTFILE);
    00156   new BaseSetTextfileWindow<TBaseSet>(file_type, baseset, content_type);
    00157 }
    00158
    00159 struct GameOptionsWindow : Window {
    00160   GameSettings *opt;
    00161   bool reload;
    00162
    00163   GameOptionsWindow(const WindowDesc *desc) : Window()
    00164   {
    00165     this->opt = &GetGameSettings();
    00166     this->reload = false;
    00167
    00168     this->InitNested(desc, WN_GAME_OPTIONS_GAME_OPTIONS);
    00169     this->OnInvalidateData(0);
    00170   }
    00171
    00172   ~GameOptionsWindow()
    00173   {
    00174     DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
    00175     if (this->reload) _switch_mode = SM_MENU;
    00176   }
    00177
    00184   DropDownList *BuildDropDownList(int widget, int *selected_index) const
    00185   {
    00186     DropDownList *list = NULL;
    00187     switch (widget) {
    00188       case WID_GO_CURRENCY_DROPDOWN: { // Setup currencies dropdown
    00189         list = new DropDownList();
    00190         *selected_index = this->opt->locale.currency;
    00191         StringID *items = BuildCurrencyDropdown();
    00192         uint disabled = _game_mode == GM_MENU ? 0 : ~GetMaskOfAllowedCurrencies();
    00193         int custom_index = -1;
    00194
    00195         /* Add non-custom currencies; sorted naturally */
    00196         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00197           if (*items == STR_GAME_OPTIONS_CURRENCY_CUSTOM) {
    00198             custom_index = i;
    00199           } else {
    00200             list->push_back(new DropDownListStringItem(*items, i, HasBit(disabled, i)));
    00201           }
    00202         }
    00203         list->sort(DropDownListStringItem::NatSortFunc);
    00204
    00205         /* Append custom currency at the end */
    00206         if (custom_index >= 0) {
    00207           list->push_back(new DropDownListItem(-1, false)); // separator line
    00208           list->push_back(new DropDownListStringItem(STR_GAME_OPTIONS_CURRENCY_CUSTOM, custom_index, HasBit(disabled, custom_index)));
    00209         }
    00210         break;
    00211       }
    00212
    00213       case WID_GO_DISTANCE_DROPDOWN: { // Setup distance unit dropdown
    00214         list = new DropDownList();
    00215         *selected_index = this->opt->locale.units;
    00216         const StringID *items = _units_dropdown;
    00217         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00218           list->push_back(new DropDownListStringItem(*items, i, false));
    00219         }
    00220         break;
    00221       }
    00222
    00223       case WID_GO_ROADSIDE_DROPDOWN: { // Setup road-side dropdown
    00224         list = new DropDownList();
    00225         *selected_index = this->opt->vehicle.road_side;
    00226         const StringID *items = _driveside_dropdown;
    00227         uint disabled = 0;
    00228
    00229         /* You can only change the drive side if you are in the menu or ingame with
    00230          * no vehicles present. In a networking game only the server can change it */
    00231         extern bool RoadVehiclesAreBuilt();
    00232         if ((_game_mode != GM_MENU && RoadVehiclesAreBuilt()) || (_networking && !_network_server)) {
    00233           disabled = ~(1 << this->opt->vehicle.road_side); // disable the other value
    00234         }
    00235
    00236         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00237           list->push_back(new DropDownListStringItem(*items, i, HasBit(disabled, i)));
    00238         }
    00239         break;
    00240       }
    00241
    00242       case WID_GO_TOWNNAME_DROPDOWN: { // Setup townname dropdown
    00243         list = new DropDownList();
    00244         *selected_index = this->opt->game_creation.town_name;
    00245
    00246         int enabled_item = (_game_mode == GM_MENU || Town::GetNumItems() == 0) ? -1 : *selected_index;
    00247
    00248         /* Add and sort original townnames generators */
    00249         for (int i = 0; i < _nb_orig_names; i++) {
    00250           list->push_back(new DropDownListStringItem(STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + i, i, enabled_item != i && enabled_item >= 0));
    00251         }
    00252         list->sort(DropDownListStringItem::NatSortFunc);
    00253
    00254         /* Add and sort newgrf townnames generators */
    00255         DropDownList newgrf_names;
    00256         for (int i = 0; i < _nb_grf_names; i++) {
    00257           int result = _nb_orig_names + i;
    00258           newgrf_names.push_back(new DropDownListStringItem(_grf_names[i], result, enabled_item != result && enabled_item >= 0));
    00259         }
    00260         newgrf_names.sort(DropDownListStringItem::NatSortFunc);
    00261
    00262         /* Insert newgrf_names at the top of the list */
    00263         if (newgrf_names.size() > 0) {
    00264           newgrf_names.push_back(new DropDownListItem(-1, false)); // separator line
    00265           list->splice(list->begin(), newgrf_names);
    00266         }
    00267         break;
    00268       }
    00269
    00270       case WID_GO_AUTOSAVE_DROPDOWN: { // Setup autosave dropdown
    00271         list = new DropDownList();
    00272         *selected_index = _settings_client.gui.autosave;
    00273         const StringID *items = _autosave_dropdown;
    00274         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00275           list->push_back(new DropDownListStringItem(*items, i, false));
    00276         }
    00277         break;
    00278       }
    00279
    00280       case WID_GO_LANG_DROPDOWN: { // Setup interface language dropdown
    00281         list = new DropDownList();
    00282         for (uint i = 0; i < _languages.Length(); i++) {
    00283           if (&_languages[i] == _current_language) *selected_index = i;
    00284           list->push_back(new DropDownListStringItem(SPECSTR_LANGUAGE_START + i, i, false));
    00285         }
    00286         list->sort(DropDownListStringItem::NatSortFunc);
    00287         break;
    00288       }
    00289
    00290       case WID_GO_RESOLUTION_DROPDOWN: // Setup resolution dropdown
    00291         list = new DropDownList();
    00292         *selected_index = GetCurRes();
    00293         for (int i = 0; i < _num_resolutions; i++) {
    00294           list->push_back(new DropDownListStringItem(SPECSTR_RESOLUTION_START + i, i, false));
    00295         }
    00296         break;
    00297
    00298       case WID_GO_SCREENSHOT_DROPDOWN: // Setup screenshot format dropdown
    00299         list = new DropDownList();
    00300         *selected_index = _cur_screenshot_format;
    00301         for (uint i = 0; i < _num_screenshot_formats; i++) {
    00302           if (!GetScreenshotFormatSupports_32bpp(i) && BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth() == 32) continue;
    00303           list->push_back(new DropDownListStringItem(SPECSTR_SCREENSHOT_START + i, i, false));
    00304         }
    00305         break;
    00306
    00307       case WID_GO_BASE_GRF_DROPDOWN:
    00308         list = BuiltSetDropDownList<BaseGraphics>(selected_index);
    00309         break;
    00310
    00311       case WID_GO_BASE_SFX_DROPDOWN:
    00312         list = BuiltSetDropDownList<BaseSounds>(selected_index);
    00313         break;
    00314
    00315       case WID_GO_BASE_MUSIC_DROPDOWN:
    00316         list = BuiltSetDropDownList<BaseMusic>(selected_index);
    00317         break;
    00318
    00319       default:
    00320         return NULL;
    00321     }
    00322
    00323     return list;
    00324   }
    00325
    00326   virtual void SetStringParameters(int widget) const
    00327   {
    00328     switch (widget) {
    00329       case WID_GO_CURRENCY_DROPDOWN:   SetDParam(0, _currency_specs[this->opt->locale.currency].name); break;
    00330       case WID_GO_DISTANCE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL + this->opt->locale.units); break;
    00331       case WID_GO_ROADSIDE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT + this->opt->vehicle.road_side); break;
    00332       case WID_GO_TOWNNAME_DROPDOWN:   SetDParam(0, TownName(this->opt->game_creation.town_name)); break;
    00333       case WID_GO_AUTOSAVE_DROPDOWN:   SetDParam(0, _autosave_dropdown[_settings_client.gui.autosave]); break;
    00334       case WID_GO_LANG_DROPDOWN:       SetDParamStr(0, _current_language->own_name); break;
    00335       case WID_GO_RESOLUTION_DROPDOWN: SetDParam(0, GetCurRes() == _num_resolutions ? STR_GAME_OPTIONS_RESOLUTION_OTHER : SPECSTR_RESOLUTION_START + GetCurRes()); break;
    00336       case WID_GO_SCREENSHOT_DROPDOWN: SetDParam(0, SPECSTR_SCREENSHOT_START + _cur_screenshot_format); break;
    00337       case WID_GO_BASE_GRF_DROPDOWN:   SetDParamStr(0, BaseGraphics::GetUsedSet()->name); break;
    00338       case WID_GO_BASE_GRF_STATUS:     SetDParam(0, BaseGraphics::GetUsedSet()->GetNumInvalid()); break;
    00339       case WID_GO_BASE_SFX_DROPDOWN:   SetDParamStr(0, BaseSounds::GetUsedSet()->name); break;
    00340       case WID_GO_BASE_MUSIC_DROPDOWN: SetDParamStr(0, BaseMusic::GetUsedSet()->name); break;
    00341       case WID_GO_BASE_MUSIC_STATUS:   SetDParam(0, BaseMusic::GetUsedSet()->GetNumInvalid()); break;
    00342     }
    00343   }
    00344
    00345   virtual void DrawWidget(const Rect &r, int widget) const
    00346   {
    00347     switch (widget) {
    00348       case WID_GO_BASE_GRF_DESCRIPTION:
    00349         SetDParamStr(0, BaseGraphics::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00350         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00351         break;
    00352
    00353       case WID_GO_BASE_SFX_DESCRIPTION:
    00354         SetDParamStr(0, BaseSounds::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00355         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00356         break;
    00357
    00358       case WID_GO_BASE_MUSIC_DESCRIPTION:
    00359         SetDParamStr(0, BaseMusic::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00360         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00361         break;
    00362     }
    00363   }
    00364
    00365   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00366   {
    00367     switch (widget) {
    00368       case WID_GO_BASE_GRF_DESCRIPTION:
    00369         /* Find the biggest description for the default size. */
    00370         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
    00371           SetDParamStr(0, BaseGraphics::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00372           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00373         }
    00374         break;
    00375
    00376       case WID_GO_BASE_GRF_STATUS:
    00377         /* Find the biggest description for the default size. */
    00378         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
    00379           uint invalid_files = BaseGraphics::GetSet(i)->GetNumInvalid();
    00380           if (invalid_files == 0) continue;
    00381
    00382           SetDParam(0, invalid_files);
    00383           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_GRF_STATUS));
    00384         }
    00385         break;
    00386
    00387       case WID_GO_BASE_SFX_DESCRIPTION:
    00388         /* Find the biggest description for the default size. */
    00389         for (int i = 0; i < BaseSounds::GetNumSets(); i++) {
    00390           SetDParamStr(0, BaseSounds::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00391           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00392         }
    00393         break;
    00394
    00395       case WID_GO_BASE_MUSIC_DESCRIPTION:
    00396         /* Find the biggest description for the default size. */
    00397         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
    00398           SetDParamStr(0, BaseMusic::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00399           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00400         }
    00401         break;
    00402
    00403       case WID_GO_BASE_MUSIC_STATUS:
    00404         /* Find the biggest description for the default size. */
    00405         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
    00406           uint invalid_files = BaseMusic::GetSet(i)->GetNumInvalid();
    00407           if (invalid_files == 0) continue;
    00408
    00409           SetDParam(0, invalid_files);
    00410           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_MUSIC_STATUS));
    00411         }
    00412         break;
    00413
    00414       default: {
    00415         int selected;
    00416         DropDownList *list = this->BuildDropDownList(widget, &selected);
    00417         if (list != NULL) {
    00418           /* Find the biggest item for the default size. */
    00419           for (DropDownList::iterator it = list->begin(); it != list->end(); it++) {
    00420             static const Dimension extra = {WD_DROPDOWNTEXT_LEFT + WD_DROPDOWNTEXT_RIGHT, WD_DROPDOWNTEXT_TOP + WD_DROPDOWNTEXT_BOTTOM};
    00421             Dimension string_dim;
    00422             int width = (*it)->Width();
    00423             string_dim.width = width + extra.width;
    00424             string_dim.height = (*it)->Height(width) + extra.height;
    00425             *size = maxdim(*size, string_dim);
    00426             delete *it;
    00427           }
    00428           delete list;
    00429         }
    00430       }
    00431     }
    00432   }
    00433
    00434   virtual void OnClick(Point pt, int widget, int click_count)
    00435   {
    00436     if (widget >= WID_GO_BASE_GRF_TEXTFILE && widget < WID_GO_BASE_GRF_TEXTFILE + TFT_END) {
    00437       if (BaseGraphics::GetUsedSet() == NULL) return;
    00438
    00439       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_GRF_TEXTFILE), BaseGraphics::GetUsedSet(), STR_CONTENT_TYPE_BASE_GRAPHICS);
    00440       return;
    00441     }
    00442     if (widget >= WID_GO_BASE_SFX_TEXTFILE && widget < WID_GO_BASE_SFX_TEXTFILE + TFT_END) {
    00443       if (BaseSounds::GetUsedSet() == NULL) return;
    00444
    00445       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_SFX_TEXTFILE), BaseSounds::GetUsedSet(), STR_CONTENT_TYPE_BASE_SOUNDS);
    00446       return;
    00447     }
    00448     if (widget >= WID_GO_BASE_MUSIC_TEXTFILE && widget < WID_GO_BASE_MUSIC_TEXTFILE + TFT_END) {
    00449       if (BaseMusic::GetUsedSet() == NULL) return;
    00450
    00451       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_MUSIC_TEXTFILE), BaseMusic::GetUsedSet(), STR_CONTENT_TYPE_BASE_MUSIC);
    00452       return;
    00453     }
    00454     switch (widget) {
    00455       case WID_GO_FULLSCREEN_BUTTON: // Click fullscreen on/off
    00456         /* try to toggle full-screen on/off */
    00457         if (!ToggleFullScreen(!_fullscreen)) {
    00458           ShowErrorMessage(STR_ERROR_FULLSCREEN_FAILED, INVALID_STRING_ID, WL_ERROR);
    00459         }
    00460         this->SetWidgetLoweredState(WID_GO_FULLSCREEN_BUTTON, _fullscreen);
    00461         this->SetDirty();
    00462         break;
    00463
    00464       default: {
    00465         int selected;
    00466         DropDownList *list = this->BuildDropDownList(widget, &selected);
    00467         if (list != NULL) {
    00468           ShowDropDownList(this, list, selected, widget);
    00469         }
    00470         break;
    00471       }
    00472     }
    00473   }
    00474
    00480   template <class T>
    00481   void SetMediaSet(int index)
    00482   {
    00483     if (_game_mode == GM_MENU) {
    00484       const char *name = T::GetSet(index)->name;
    00485
    00486       free(T::ini_set);
    00487       T::ini_set = strdup(name);
    00488
    00489       T::SetSet(name);
    00490       this->reload = true;
    00491       this->InvalidateData();
    00492     }
    00493   }
    00494
    00495   virtual void OnDropdownSelect(int widget, int index)
    00496   {
    00497     switch (widget) {
    00498       case WID_GO_CURRENCY_DROPDOWN: // Currency
    00499         if (index == CUSTOM_CURRENCY_ID) ShowCustCurrency();
    00500         this->opt->locale.currency = index;
    00501         ReInitAllWindows();
    00502         break;
    00503
    00504       case WID_GO_DISTANCE_DROPDOWN: // Measuring units
    00505         this->opt->locale.units = index;
    00506         MarkWholeScreenDirty();
    00507         break;
    00508
    00509       case WID_GO_ROADSIDE_DROPDOWN: // Road side
    00510         if (this->opt->vehicle.road_side != index) { // only change if setting changed
    00511           uint i;
    00512           if (GetSettingFromName("vehicle.road_side", &i) == NULL) NOT_REACHED();
    00513           SetSettingValue(i, index);
    00514           MarkWholeScreenDirty();
    00515         }
    00516         break;
    00517
    00518       case WID_GO_TOWNNAME_DROPDOWN: // Town names
    00519         if (_game_mode == GM_MENU || Town::GetNumItems() == 0) {
    00520           this->opt->game_creation.town_name = index;
    00521           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_OPTIONS);
    00522         }
    00523         break;
    00524
    00525       case WID_GO_AUTOSAVE_DROPDOWN: // Autosave options
    00526         _settings_client.gui.autosave = index;
    00527         this->SetDirty();
    00528         break;
    00529
    00530       case WID_GO_LANG_DROPDOWN: // Change interface language
    00531         ReadLanguagePack(&_languages[index]);
    00532         DeleteWindowByClass(WC_QUERY_STRING);
    00533         CheckForMissingGlyphs();
    00534         UpdateAllVirtCoords();
    00535         ReInitAllWindows();
    00536         break;
    00537
    00538       case WID_GO_RESOLUTION_DROPDOWN: // Change resolution
    00539         if (index < _num_resolutions && ChangeResInGame(_resolutions[index].width, _resolutions[index].height)) {
    00540           this->SetDirty();
    00541         }
    00542         break;
    00543
    00544       case WID_GO_SCREENSHOT_DROPDOWN: // Change screenshot format
    00545         SetScreenshotFormat(index);
    00546         this->SetDirty();
    00547         break;
    00548
    00549       case WID_GO_BASE_GRF_DROPDOWN:
    00550         this->SetMediaSet<BaseGraphics>(index);
    00551         break;
    00552
    00553       case WID_GO_BASE_SFX_DROPDOWN:
    00554         this->SetMediaSet<BaseSounds>(index);
    00555         break;
    00556
    00557       case WID_GO_BASE_MUSIC_DROPDOWN:
    00558         this->SetMediaSet<BaseMusic>(index);
    00559         break;
    00560     }
    00561   }
    00562
    00568   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00569   {
    00570     if (!gui_scope) return;
    00571     this->SetWidgetLoweredState(WID_GO_FULLSCREEN_BUTTON, _fullscreen);
    00572
    00573     bool missing_files = BaseGraphics::GetUsedSet()->GetNumMissing() == 0;
    00574     this->GetWidget<NWidgetCore>(WID_GO_BASE_GRF_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_GRF_STATUS, STR_NULL);
    00575
    00576     for (TextfileType tft = TFT_BEGIN; tft < TFT_END; tft++) {
    00577       this->SetWidgetDisabledState(WID_GO_BASE_GRF_TEXTFILE + tft, BaseGraphics::GetUsedSet() == NULL || BaseGraphics::GetUsedSet()->GetTextfile(tft) == NULL);
    00578       this->SetWidgetDisabledState(WID_GO_BASE_SFX_TEXTFILE + tft, BaseSounds::GetUsedSet() == NULL || BaseSounds::GetUsedSet()->GetTextfile(tft) == NULL);
    00579       this->SetWidgetDisabledState(WID_GO_BASE_MUSIC_TEXTFILE + tft, BaseMusic::GetUsedSet() == NULL || BaseMusic::GetUsedSet()->GetTextfile(tft) == NULL);
    00580     }
    00581
    00582     missing_files = BaseMusic::GetUsedSet()->GetNumInvalid() == 0;
    00583     this->GetWidget<NWidgetCore>(WID_GO_BASE_MUSIC_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_MUSIC_STATUS, STR_NULL);
    00584   }
    00585 };
    00586
    00587 static const NWidgetPart _nested_game_options_widgets[] = {
    00588   NWidget(NWID_HORIZONTAL),
    00589     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00590     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00591   EndContainer(),
    00592   NWidget(WWT_PANEL, COLOUR_GREY, WID_GO_BACKGROUND), SetPIP(6, 6, 10),
    00593     NWidget(NWID_HORIZONTAL), SetPIP(10, 10, 10),
    00594       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
    00595         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CURRENCY_UNITS_FRAME, STR_NULL),
    00596           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),
    00597         EndContainer(),
    00598         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_ROAD_VEHICLES_FRAME, STR_NULL),
    00599           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),
    00600         EndContainer(),
    00601         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_AUTOSAVE_FRAME, STR_NULL),
    00602           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),
    00603         EndContainer(),
    00604         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_RESOLUTION, STR_NULL),
    00605           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),
    00606           NWidget(NWID_HORIZONTAL),
    00607             NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_FULLSCREEN, STR_NULL),
    00608             NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_FULLSCREEN_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_FULLSCREEN_TOOLTIP),
    00609           EndContainer(),
    00610         EndContainer(),
    00611       EndContainer(),
    00612
    00613       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
    00614         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_MEASURING_UNITS_FRAME, STR_NULL),
    00615           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_DISTANCE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_MEASURING_UNITS_DROPDOWN_TOOLTIP), SetFill(1, 0),
    00616         EndContainer(),
    00617         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_TOWN_NAMES_FRAME, STR_NULL),
    00618           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),
    00619         EndContainer(),
    00620         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_LANGUAGE, STR_NULL),
    00621           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),
    00622         EndContainer(),
    00623         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_SCREENSHOT_FORMAT, STR_NULL),
    00624           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),
    00625         EndContainer(),
    00626         NWidget(NWID_SPACER), SetMinimalSize(0, 0), SetFill(0, 1),
    00627       EndContainer(),
    00628     EndContainer(),
    00629
    00630     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_GRF, STR_NULL), SetPadding(0, 10, 0, 10),
    00631       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00632         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_GRF_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_GRF_TOOLTIP),
    00633         NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_GRF_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
    00634       EndContainer(),
    00635       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),
    00636       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00637         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),
    00638         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),
    00639         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),
    00640       EndContainer(),
    00641     EndContainer(),
    00642
    00643     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_SFX, STR_NULL), SetPadding(0, 10, 0, 10),
    00644       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00645         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_SFX_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_SFX_TOOLTIP),
    00646         NWidget(NWID_SPACER), SetFill(1, 0),
    00647       EndContainer(),
    00648       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),
    00649       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00650         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),
    00651         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),
    00652         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),
    00653       EndContainer(),
    00654     EndContainer(),
    00655
    00656     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_MUSIC, STR_NULL), SetPadding(0, 10, 0, 10),
    00657       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00658         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_MUSIC_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_MUSIC_TOOLTIP),
    00659         NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_MUSIC_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
    00660       EndContainer(),
    00661       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),
    00662       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00663         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),
    00664         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),
    00665         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),
    00666       EndContainer(),
    00667     EndContainer(),
    00668   EndContainer(),
    00669 };
    00670
    00671 static const WindowDesc _game_options_desc(
    00672   WDP_CENTER, 0, 0,
    00673   WC_GAME_OPTIONS, WC_NONE,
    00674   0,
    00675   _nested_game_options_widgets, lengthof(_nested_game_options_widgets)
    00676 );
    00677
    00679 void ShowGameOptions()
    00680 {
    00681   DeleteWindowByClass(WC_GAME_OPTIONS);
    00682   new GameOptionsWindow(&_game_options_desc);
    00683 }
    00684
    00685 static int SETTING_HEIGHT = 11;
    00686 static const int LEVEL_WIDTH = 15;
    00687
    00692 enum SettingEntryFlags {
    00693   SEF_LEFT_DEPRESSED  = 0x01,
    00694   SEF_RIGHT_DEPRESSED = 0x02,
    00695   SEF_BUTTONS_MASK = (SEF_LEFT_DEPRESSED | SEF_RIGHT_DEPRESSED),
    00696
    00697   SEF_LAST_FIELD = 0x04,
    00698   SEF_FILTERED   = 0x08,
    00699
    00700   /* Entry kind */
    00701   SEF_SETTING_KIND = 0x10,
    00702   SEF_SUBTREE_KIND = 0x20,
    00703   SEF_KIND_MASK    = (SEF_SETTING_KIND | SEF_SUBTREE_KIND),
    00704 };
    00705
    00706 struct SettingsPage; // Forward declaration
    00707
    00709 struct SettingEntrySubtree {
    00710   SettingsPage *page;
    00711   bool folded;
    00712   StringID title;
    00713 };
    00714
    00716 struct SettingEntrySetting {
    00717   const char *name;
    00718   const SettingDesc *setting;
    00719   uint index;
    00720 };
    00721
    00723 enum RestrictionMode {
    00724   RM_BASIC,
    00725   RM_ADVANCED,
    00726   RM_ALL,
    00727   RM_CHANGED_AGAINST_DEFAULT,
    00728   RM_CHANGED_AGAINST_NEW,
    00729   RM_END,
    00730 };
    00731
    00733 struct SettingFilter {
    00734   StringFilter string;
    00735   RestrictionMode mode;
    00736   SettingType type;
    00737 };
    00738
    00740 struct SettingEntry {
    00741   byte flags;
    00742   byte level;
    00743   union {
    00744     SettingEntrySetting entry;
    00745     SettingEntrySubtree sub;
    00746   } d;
    00747
    00748   SettingEntry(const char *nm);
    00749   SettingEntry(SettingsPage *sub, StringID title);
    00750
    00751   void Init(byte level);
    00752   void FoldAll();
    00753   void UnFoldAll();
    00754   void SetButtons(byte new_val);
    00755
    00760   void SetLastField(bool last_field) { if (last_field) SETBITS(this->flags, SEF_LAST_FIELD); else CLRBITS(this->flags, SEF_LAST_FIELD); }
    00761
    00762   uint Length() const;
    00763   void GetFoldingState(bool &all_folded, bool &all_unfolded) const;
    00764   bool IsVisible(const SettingEntry *item) const;
    00765   SettingEntry *FindEntry(uint row, uint *cur_row);
    00766   uint GetMaxHelpHeight(int maxw);
    00767
    00768   bool IsFiltered() const;
    00769   bool UpdateFilterState(SettingFilter &filter, bool force_visible);
    00770
    00771   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);
    00772
    00777   inline StringID GetHelpText()
    00778   {
    00779     assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    00780     return this->d.entry.setting->desc.str_help;
    00781   }
    00782
    00783   void SetValueDParams(uint first_param, int32 value);
    00784
    00785 private:
    00786   void DrawSetting(GameSettings *settings_ptr, int x, int y, int max_x, int state, bool highlight);
    00787   bool IsVisibleByRestrictionMode(RestrictionMode mode) const;
    00788 };
    00789
    00791 struct SettingsPage {
    00792   SettingEntry *entries;
    00793   byte num;
    00794
    00795   void Init(byte level = 0);
    00796   void FoldAll();
    00797   void UnFoldAll();
    00798
    00799   uint Length() const;
    00800   void GetFoldingState(bool &all_folded, bool &all_unfolded) const;
    00801   bool IsVisible(const SettingEntry *item) const;
    00802   SettingEntry *FindEntry(uint row, uint *cur_row) const;
    00803   uint GetMaxHelpHeight(int maxw);
    00804
    00805   bool UpdateFilterState(SettingFilter &filter, bool force_visible);
    00806
    00807   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;
    00808 };
    00809
    00810
    00811 /* == SettingEntry methods == */
    00812
    00817 SettingEntry::SettingEntry(const char *nm)
    00818 {
    00819   this->flags = SEF_SETTING_KIND;
    00820   this->level = 0;
    00821   this->d.entry.name = nm;
    00822   this->d.entry.setting = NULL;
    00823   this->d.entry.index = 0;
    00824 }
    00825
    00831 SettingEntry::SettingEntry(SettingsPage *sub, StringID title)
    00832 {
    00833   this->flags = SEF_SUBTREE_KIND;
    00834   this->level = 0;
    00835   this->d.sub.page = sub;
    00836   this->d.sub.folded = true;
    00837   this->d.sub.title = title;
    00838 }
    00839
    00844 void SettingEntry::Init(byte level)
    00845 {
    00846   this->level = level;
    00847
    00848   switch (this->flags & SEF_KIND_MASK) {
    00849     case SEF_SETTING_KIND:
    00850       this->d.entry.setting = GetSettingFromName(this->d.entry.name, &this->d.entry.index);
    00851       assert(this->d.entry.setting != NULL);
    00852       break;
    00853     case SEF_SUBTREE_KIND:
    00854       this->d.sub.page->Init(level + 1);
    00855       break;
    00856     default: NOT_REACHED();
    00857   }
    00858 }
    00859
    00861 void SettingEntry::FoldAll()
    00862 {
    00863   if (this->IsFiltered()) return;
    00864   switch (this->flags & SEF_KIND_MASK) {
    00865     case SEF_SETTING_KIND:
    00866       break;
    00867
    00868     case SEF_SUBTREE_KIND:
    00869       this->d.sub.folded = true;
    00870       this->d.sub.page->FoldAll();
    00871       break;
    00872
    00873     default: NOT_REACHED();
    00874   }
    00875 }
    00876
    00878 void SettingEntry::UnFoldAll()
    00879 {
    00880   if (this->IsFiltered()) return;
    00881   switch (this->flags & SEF_KIND_MASK) {
    00882     case SEF_SETTING_KIND:
    00883       break;
    00884
    00885     case SEF_SUBTREE_KIND:
    00886       this->d.sub.folded = false;
    00887       this->d.sub.page->UnFoldAll();
    00888       break;
    00889
    00890     default: NOT_REACHED();
    00891   }
    00892 }
    00893
    00899 void SettingEntry::GetFoldingState(bool &all_folded, bool &all_unfolded) const
    00900 {
    00901   if (this->IsFiltered()) return;
    00902   switch (this->flags & SEF_KIND_MASK) {
    00903     case SEF_SETTING_KIND:
    00904       break;
    00905
    00906     case SEF_SUBTREE_KIND:
    00907       if (this->d.sub.folded) {
    00908         all_unfolded = false;
    00909       } else {
    00910         all_folded = false;
    00911       }
    00912       this->d.sub.page->GetFoldingState(all_folded, all_unfolded);
    00913       break;
    00914
    00915     default: NOT_REACHED();
    00916   }
    00917 }
    00918
    00925 bool SettingEntry::IsVisible(const SettingEntry *item) const
    00926 {
    00927   if (this->IsFiltered()) return false;
    00928   if (this == item) return true;
    00929
    00930   switch (this->flags & SEF_KIND_MASK) {
    00931     case SEF_SETTING_KIND:
    00932       return false;
    00933
    00934     case SEF_SUBTREE_KIND:
    00935       return !this->d.sub.folded && this->d.sub.page->IsVisible(item);
    00936
    00937     default: NOT_REACHED();
    00938   }
    00939 }
    00940
    00946 void SettingEntry::SetButtons(byte new_val)
    00947 {
    00948   assert((new_val & ~SEF_BUTTONS_MASK) == 0); // Should not touch any flags outside the buttons
    00949   this->flags = (this->flags & ~SEF_BUTTONS_MASK) | new_val;
    00950 }
    00951
    00953 uint SettingEntry::Length() const
    00954 {
    00955   if (this->IsFiltered()) return 0;
    00956   switch (this->flags & SEF_KIND_MASK) {
    00957     case SEF_SETTING_KIND:
    00958       return 1;
    00959     case SEF_SUBTREE_KIND:
    00960       if (this->d.sub.folded) return 1; // Only displaying the title
    00961
    00962       return 1 + this->d.sub.page->Length(); // 1 extra row for the title
    00963     default: NOT_REACHED();
    00964   }
    00965 }
    00966
    00973 SettingEntry *SettingEntry::FindEntry(uint row_num, uint *cur_row)
    00974 {
    00975   if (this->IsFiltered()) return NULL;
    00976   if (row_num == *cur_row) return this;
    00977
    00978   switch (this->flags & SEF_KIND_MASK) {
    00979     case SEF_SETTING_KIND:
    00980       (*cur_row)++;
    00981       break;
    00982     case SEF_SUBTREE_KIND:
    00983       (*cur_row)++; // add one for row containing the title
    00984       if (this->d.sub.folded) {
    00985         break;
    00986       }
    00987
    00988       /* sub-page is visible => search it too */
    00989       return this->d.sub.page->FindEntry(row_num, cur_row);
    00990     default: NOT_REACHED();
    00991   }
    00992   return NULL;
    00993 }
    00994
    01000 uint SettingEntry::GetMaxHelpHeight(int maxw)
    01001 {
    01002   switch (this->flags & SEF_KIND_MASK) {
    01003     case SEF_SETTING_KIND: return GetStringHeight(this->GetHelpText(), maxw);
    01004     case SEF_SUBTREE_KIND: return this->d.sub.page->GetMaxHelpHeight(maxw);
    01005     default:               NOT_REACHED();
    01006   }
    01007 }
    01008
    01013 bool SettingEntry::IsFiltered() const
    01014 {
    01015   return (this->flags & SEF_FILTERED) != 0;
    01016 }
    01017
    01023 bool SettingEntry::IsVisibleByRestrictionMode(RestrictionMode mode) const
    01024 {
    01025   /* There shall not be any restriction, i.e. all settings shall be visible. */
    01026   if (mode == RM_ALL) return true;
    01027
    01028   GameSettings *settings_ptr = &GetGameSettings();
    01029   assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01030   const SettingDesc *sd = this->d.entry.setting;
    01031
    01032   if (mode == RM_BASIC) return (this->d.entry.setting->desc.cat & SC_BASIC_LIST) != 0;
    01033   if (mode == RM_ADVANCED) return (this->d.entry.setting->desc.cat & SC_ADVANCED_LIST) != 0;
    01034
    01035   /* Read the current value. */
    01036   const void *var = ResolveVariableAddress(settings_ptr, sd);
    01037   int64 current_value = ReadValue(var, sd->save.conv);
    01038
    01039   int64 filter_value;
    01040
    01041   if (mode == RM_CHANGED_AGAINST_DEFAULT) {
    01042     /* This entry shall only be visible, if the value deviates from its default value. */
    01043
    01044     /* Read the default value. */
    01045     filter_value = ReadValue(&sd->desc.def, sd->save.conv);
    01046   } else {
    01047     assert(mode == RM_CHANGED_AGAINST_NEW);
    01048     /* This entry shall only be visible, if the value deviates from
    01049      * its value is used when starting a new game. */
    01050
    01051     /* Make sure we're not comparing the new game settings against itself. */
    01052     assert(settings_ptr != &_settings_newgame);
    01053
    01054     /* Read the new game's value. */
    01055     var = ResolveVariableAddress(&_settings_newgame, sd);
    01056     filter_value = ReadValue(var, sd->save.conv);
    01057   }
    01058
    01059   return current_value != filter_value;
    01060 }
    01061
    01068 bool SettingEntry::UpdateFilterState(SettingFilter &filter, bool force_visible)
    01069 {
    01070   CLRBITS(this->flags, SEF_FILTERED);
    01071
    01072   bool visible = true;
    01073   switch (this->flags & SEF_KIND_MASK) {
    01074     case SEF_SETTING_KIND: {
    01075       const SettingDesc *sd = this->d.entry.setting;
    01076       if (!force_visible && !filter.string.IsEmpty()) {
    01077         /* Process the search text filter for this item. */
    01078         filter.string.ResetState();
    01079
    01080         const SettingDescBase *sdb = &sd->desc;
    01081
    01082         SetDParam(0, STR_EMPTY);
    01083         filter.string.AddLine(sdb->str);
    01084         filter.string.AddLine(this->GetHelpText());
    01085
    01086         visible = filter.string.GetState();
    01087       }
    01088       if (filter.type != ST_ALL) visible = visible && sd->GetType() == filter.type;
    01089       visible = visible && this->IsVisibleByRestrictionMode(filter.mode);
    01090       break;
    01091     }
    01092     case SEF_SUBTREE_KIND: {
    01093       if (!force_visible && !filter.string.IsEmpty()) {
    01094         filter.string.ResetState();
    01095         filter.string.AddLine(this->d.sub.title);
    01096         force_visible = filter.string.GetState();
    01097       }
    01098       visible = this->d.sub.page->UpdateFilterState(filter, force_visible);
    01099       break;
    01100     }
    01101     default: NOT_REACHED();
    01102   }
    01103
    01104   if (!visible) SETBITS(this->flags, SEF_FILTERED);
    01105   return visible;
    01106 }
    01107
    01108
    01109
    01137 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)
    01138 {
    01139   if (this->IsFiltered()) return cur_row;
    01140   if (cur_row >= max_row) return cur_row;
    01141
    01142   bool rtl = _current_text_dir == TD_RTL;
    01143   int offset = rtl ? -4 : 4;
    01144   int level_width = rtl ? -LEVEL_WIDTH : LEVEL_WIDTH;
    01145
    01146   int x = rtl ? right : left;
    01147   int y = base_y;
    01148   if (cur_row >= first_row) {
    01149     int colour = _colour_gradient[COLOUR_ORANGE][4];
    01150     y = base_y + (cur_row - first_row) * SETTING_HEIGHT; // Compute correct y start position
    01151
    01152     /* Draw vertical for parent nesting levels */
    01153     for (uint lvl = 0; lvl < this->level; lvl++) {
    01154       if (!HasBit(parent_last, lvl)) GfxDrawLine(x + offset, y, x + offset, y + SETTING_HEIGHT - 1, colour);
    01155       x += level_width;
    01156     }
    01157     /* draw own |- prefix */
    01158     int halfway_y = y + SETTING_HEIGHT / 2;
    01159     int bottom_y = (flags & SEF_LAST_FIELD) ? halfway_y : y + SETTING_HEIGHT - 1;
    01160     GfxDrawLine(x + offset, y, x + offset, bottom_y, colour);
    01161     /* Small horizontal line from the last vertical line */
    01162     GfxDrawLine(x + offset, halfway_y, x + level_width - offset, halfway_y, colour);
    01163     x += level_width;
    01164   }
    01165
    01166   switch (this->flags & SEF_KIND_MASK) {
    01167     case SEF_SETTING_KIND:
    01168       if (cur_row >= first_row) {
    01169         this->DrawSetting(settings_ptr, rtl ? left : x, rtl ? x : right, y, this->flags & SEF_BUTTONS_MASK,
    01170             this == selected);
    01171       }
    01172       cur_row++;
    01173       break;
    01174     case SEF_SUBTREE_KIND:
    01175       if (cur_row >= first_row) {
    01176         DrawSprite((this->d.sub.folded ? SPR_CIRCLE_FOLDED : SPR_CIRCLE_UNFOLDED), PAL_NONE, rtl ? x - 8 : x, y + (SETTING_HEIGHT - 11) / 2);
    01177         DrawString(rtl ? left : x + 12, rtl ? x - 12 : right, y, this->d.sub.title);
    01178       }
    01179       cur_row++;
    01180       if (!this->d.sub.folded) {
    01181         if (this->flags & SEF_LAST_FIELD) {
    01182           assert(this->level < sizeof(parent_last));
    01183           SetBit(parent_last, this->level); // Add own last-field state
    01184         }
    01185
    01186         cur_row = this->d.sub.page->Draw(settings_ptr, left, right, base_y, first_row, max_row, selected, cur_row, parent_last);
    01187       }
    01188       break;
    01189     default: NOT_REACHED();
    01190   }
    01191   return cur_row;
    01192 }
    01193
    01194 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd)
    01195 {
    01196   if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    01197     if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
    01198       return GetVariableAddress(&Company::Get(_local_company)->settings, &sd->save);
    01199     } else {
    01200       return GetVariableAddress(&_settings_client.company, &sd->save);
    01201     }
    01202   } else {
    01203     return GetVariableAddress(settings_ptr, &sd->save);
    01204   }
    01205 }
    01206
    01212 void SettingEntry::SetValueDParams(uint first_param, int32 value)
    01213 {
    01214   assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01215   const SettingDescBase *sdb = &this->d.entry.setting->desc;
    01216   if (sdb->cmd == SDT_BOOLX) {
    01217     SetDParam(first_param++, value != 0 ? STR_CONFIG_SETTING_ON : STR_CONFIG_SETTING_OFF);
    01218   } else {
    01219     if ((sdb->flags & SGF_MULTISTRING) != 0) {
    01220       SetDParam(first_param++, sdb->str_val - sdb->min + value);
    01221     } else if ((sdb->flags & SGF_DISPLAY_ABS) != 0) {
    01222       SetDParam(first_param++, sdb->str_val + ((value >= 0) ? 1 : 0));
    01223       value = abs(value);
    01224     } else {
    01225       SetDParam(first_param++, sdb->str_val + ((value == 0 && (sdb->flags & SGF_0ISDISABLED) != 0) ? 1 : 0));
    01226     }
    01227     SetDParam(first_param++, value);
    01228   }
    01229 }
    01230
    01240 void SettingEntry::DrawSetting(GameSettings *settings_ptr, int left, int right, int y, int state, bool highlight)
    01241 {
    01242   const SettingDesc *sd = this->d.entry.setting;
    01243   const SettingDescBase *sdb = &sd->desc;
    01244   const void *var = ResolveVariableAddress(settings_ptr, sd);
    01245
    01246   bool rtl = _current_text_dir == TD_RTL;
    01247   uint buttons_left = rtl ? right + 1 - SETTING_BUTTON_WIDTH : left;
    01248   uint text_left  = left + (rtl ? 0 : SETTING_BUTTON_WIDTH + 5);
    01249   uint text_right = right - (rtl ? SETTING_BUTTON_WIDTH + 5 : 0);
    01250   uint button_y = y + (SETTING_HEIGHT - SETTING_BUTTON_HEIGHT) / 2;
    01251
    01252   /* We do not allow changes of some items when we are a client in a networkgame */
    01253   bool editable = sd->IsEditable();
    01254
    01255   SetDParam(0, highlight ? STR_ORANGE_STRING1_WHITE : STR_ORANGE_STRING1_LTBLUE);
    01256   int32 value = (int32)ReadValue(var, sd->save.conv);
    01257   if (sdb->cmd == SDT_BOOLX) {
    01258     /* Draw checkbox for boolean-value either on/off */
    01259     DrawBoolButton(buttons_left, button_y, value != 0, editable);
    01260   } else if ((sdb->flags & SGF_MULTISTRING) != 0) {
    01261     /* Draw [v] button for settings of an enum-type */
    01262     DrawDropDownButton(buttons_left, button_y, COLOUR_YELLOW, state != 0, editable);
    01263   } else {
    01264     /* Draw [<][>] boxes for settings of an integer-type */
    01265     DrawArrowButtons(buttons_left, button_y, COLOUR_YELLOW, state,
    01266         editable && value != (sdb->flags & SGF_0ISDISABLED ? 0 : sdb->min), editable && (uint32)value != sdb->max);
    01267   }
    01268   this->SetValueDParams(1, value);
    01269   DrawString(text_left, text_right, y, sdb->str, highlight ? TC_WHITE : TC_LIGHT_BLUE);
    01270 }
    01271
    01272
    01273 /* == SettingsPage methods == */
    01274
    01279 void SettingsPage::Init(byte level)
    01280 {
    01281   for (uint field = 0; field < this->num; field++) {
    01282     this->entries[field].Init(level);
    01283   }
    01284 }
    01285
    01287 void SettingsPage::FoldAll()
    01288 {
    01289   for (uint field = 0; field < this->num; field++) {
    01290     this->entries[field].FoldAll();
    01291   }
    01292 }
    01293
    01295 void SettingsPage::UnFoldAll()
    01296 {
    01297   for (uint field = 0; field < this->num; field++) {
    01298     this->entries[field].UnFoldAll();
    01299   }
    01300 }
    01301
    01307 void SettingsPage::GetFoldingState(bool &all_folded, bool &all_unfolded) const
    01308 {
    01309   for (uint field = 0; field < this->num; field++) {
    01310     this->entries[field].GetFoldingState(all_folded, all_unfolded);
    01311   }
    01312 }
    01313
    01320 bool SettingsPage::UpdateFilterState(SettingFilter &filter, bool force_visible)
    01321 {
    01322   bool visible = false;
    01323   bool first_visible = true;
    01324   for (int field = this->num - 1; field >= 0; field--) {
    01325     visible |= this->entries[field].UpdateFilterState(filter, force_visible);
    01326     this->entries[field].SetLastField(first_visible);
    01327     if (visible && first_visible) first_visible = false;
    01328   }
    01329   return visible;
    01330 }
    01331
    01332
    01339 bool SettingsPage::IsVisible(const SettingEntry *item) const
    01340 {
    01341   for (uint field = 0; field < this->num; field++) {
    01342     if (this->entries[field].IsVisible(item)) return true;
    01343   }
    01344   return false;
    01345 }
    01346
    01348 uint SettingsPage::Length() const
    01349 {
    01350   uint length = 0;
    01351   for (uint field = 0; field < this->num; field++) {
    01352     length += this->entries[field].Length();
    01353   }
    01354   return length;
    01355 }
    01356
    01363 SettingEntry *SettingsPage::FindEntry(uint row_num, uint *cur_row) const
    01364 {
    01365   SettingEntry *pe = NULL;
    01366
    01367   for (uint field = 0; field < this->num; field++) {
    01368     pe = this->entries[field].FindEntry(row_num, cur_row);
    01369     if (pe != NULL) {
    01370       break;
    01371     }
    01372   }
    01373   return pe;
    01374 }
    01375
    01381 uint SettingsPage::GetMaxHelpHeight(int maxw)
    01382 {
    01383   uint biggest = 0;
    01384   for (uint field = 0; field < this->num; field++) {
    01385     biggest = max(biggest, this->entries[field].GetMaxHelpHeight(maxw));
    01386   }
    01387   return biggest;
    01388 }
    01389
    01408 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
    01409 {
    01410   if (cur_row >= max_row) return cur_row;
    01411
    01412   for (uint i = 0; i < this->num; i++) {
    01413     cur_row = this->entries[i].Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last, selected);
    01414     if (cur_row >= max_row) {
    01415       break;
    01416     }
    01417   }
    01418   return cur_row;
    01419 }
    01420
    01421
    01422 static SettingEntry _settings_ui_display[] = {
    01423   SettingEntry("gui.date_format_in_default_names"),
    01424   SettingEntry("gui.population_in_label"),
    01425   SettingEntry("gui.measure_tooltip"),
    01426   SettingEntry("gui.loading_indicators"),
    01427   SettingEntry("gui.liveries"),
    01428   SettingEntry("gui.show_track_reservation"),
    01429   SettingEntry("gui.expenses_layout"),
    01430   SettingEntry("gui.smallmap_land_colour"),
    01431   SettingEntry("gui.zoom_min"),
    01432   SettingEntry("gui.zoom_max"),
    01433   SettingEntry("gui.graph_line_thickness"),
    01434 };
    01436 static SettingsPage _settings_ui_display_page = {_settings_ui_display, lengthof(_settings_ui_display)};
    01437
    01438 static SettingEntry _settings_ui_interaction[] = {
    01439   SettingEntry("gui.window_snap_radius"),
    01440   SettingEntry("gui.window_soft_limit"),
    01441   SettingEntry("gui.link_terraform_toolbar"),
    01442   SettingEntry("gui.prefer_teamchat"),
    01443   SettingEntry("gui.auto_scrolling"),
    01444   SettingEntry("gui.reverse_scroll"),
    01445   SettingEntry("gui.smooth_scroll"),
    01446   SettingEntry("gui.left_mouse_btn_scrolling"),
    01447   /* While the horizontal scrollwheel scrolling is written as general code, only
    01448    *  the cocoa (OSX) driver generates input for it.
    01449    *  Since it's also able to completely disable the scrollwheel will we display it on all platforms anyway */
    01450   SettingEntry("gui.scrollwheel_scrolling"),
    01451   SettingEntry("gui.scrollwheel_multiplier"),
    01452   SettingEntry("gui.osk_activation"),
    01453 #ifdef __APPLE__
    01454   /* We might need to emulate a right mouse button on mac */
    01455   SettingEntry("gui.right_mouse_btn_emulation"),
    01456 #endif
    01457 };
    01459 static SettingsPage _settings_ui_interaction_page = {_settings_ui_interaction, lengthof(_settings_ui_interaction)};
    01460
    01461 static SettingEntry _settings_ui_sound[] = {
    01462   SettingEntry("sound.click_beep"),
    01463   SettingEntry("sound.confirm"),
    01464   SettingEntry("sound.news_ticker"),
    01465   SettingEntry("sound.news_full"),
    01466   SettingEntry("sound.new_year"),
    01467   SettingEntry("sound.disaster"),
    01468   SettingEntry("sound.vehicle"),
    01469   SettingEntry("sound.ambient"),
    01470 };
    01472 static SettingsPage _settings_ui_sound_page = {_settings_ui_sound, lengthof(_settings_ui_sound)};
    01473
    01474 static SettingEntry _settings_ui_news[] = {
    01475   SettingEntry("news_display.arrival_player"),
    01476   SettingEntry("news_display.arrival_other"),
    01477   SettingEntry("news_display.accident"),
    01478   SettingEntry("news_display.company_info"),
    01479   SettingEntry("news_display.open"),
    01480   SettingEntry("news_display.close"),
    01481   SettingEntry("news_display.economy"),
    01482   SettingEntry("news_display.production_player"),
    01483   SettingEntry("news_display.production_other"),
    01484   SettingEntry("news_display.production_nobody"),
    01485   SettingEntry("news_display.advice"),
    01486   SettingEntry("news_display.new_vehicles"),
    01487   SettingEntry("news_display.acceptance"),
    01488   SettingEntry("news_display.subsidies"),
    01489   SettingEntry("news_display.general"),
    01490   SettingEntry("gui.coloured_news_year"),
    01491 };
    01493 static SettingsPage _settings_ui_news_page = {_settings_ui_news, lengthof(_settings_ui_news)};
    01494
    01495 static SettingEntry _settings_ui[] = {
    01496   SettingEntry(&_settings_ui_display_page, STR_CONFIG_SETTING_DISPLAY_OPTIONS),
    01497   SettingEntry(&_settings_ui_interaction_page, STR_CONFIG_SETTING_INTERACTION),
    01498   SettingEntry(&_settings_ui_sound_page, STR_CONFIG_SETTING_SOUND),
    01499   SettingEntry(&_settings_ui_news_page, STR_CONFIG_SETTING_NEWS),
    01500   SettingEntry("gui.show_finances"),
    01501   SettingEntry("gui.errmsg_duration"),
    01502   SettingEntry("gui.hover_delay"),
    01503   SettingEntry("gui.toolbar_pos"),
    01504   SettingEntry("gui.statusbar_pos"),
    01505   SettingEntry("gui.newgrf_default_palette"),
    01506   SettingEntry("gui.pause_on_newgame"),
    01507   SettingEntry("gui.advanced_vehicle_list"),
    01508   SettingEntry("gui.timetable_in_ticks"),
    01509   SettingEntry("gui.timetable_arrival_departure"),
    01510   SettingEntry("gui.quick_goto"),
    01511   SettingEntry("gui.default_rail_type"),
    01512   SettingEntry("gui.disable_unsuitable_building"),
    01513   SettingEntry("gui.persistent_buildingtools"),
    01514 };
    01516 static SettingsPage _settings_ui_page = {_settings_ui, lengthof(_settings_ui)};
    01517
    01518 static SettingEntry _settings_construction_signals[] = {
    01519   SettingEntry("construction.train_signal_side"),
    01520   SettingEntry("gui.enable_signal_gui"),
    01521   SettingEntry("gui.drag_signals_fixed_distance"),
    01522   SettingEntry("gui.semaphore_build_before"),
    01523   SettingEntry("gui.default_signal_type"),
    01524   SettingEntry("gui.cycle_signal_types"),
    01525 };
    01527 static SettingsPage _settings_construction_signals_page = {_settings_construction_signals, lengthof(_settings_construction_signals)};
    01528
    01529 static SettingEntry _settings_construction[] = {
    01530   SettingEntry(&_settings_construction_signals_page, STR_CONFIG_SETTING_CONSTRUCTION_SIGNALS),
    01531   SettingEntry("construction.build_on_slopes"),
    01532   SettingEntry("construction.autoslope"),
    01533   SettingEntry("construction.extra_dynamite"),
    01534   SettingEntry("construction.max_bridge_length"),
    01535   SettingEntry("construction.max_tunnel_length"),
    01536   SettingEntry("station.never_expire_airports"),
    01537   SettingEntry("construction.freeform_edges"),
    01538   SettingEntry("construction.extra_tree_placement"),
    01539   SettingEntry("construction.command_pause_level"),
    01540 };
    01542 static SettingsPage _settings_construction_page = {_settings_construction, lengthof(_settings_construction)};
    01543
    01544 static SettingEntry _settings_stations_cargo[] = {
    01545   SettingEntry("order.improved_load"),
    01546   SettingEntry("order.gradual_loading"),
    01547   SettingEntry("order.selectgoods"),
    01548 };
    01550 static SettingsPage _settings_stations_cargo_page = {_settings_stations_cargo, lengthof(_settings_stations_cargo)};
    01551
    01552 static SettingEntry _settings_stations[] = {
    01553   SettingEntry(&_settings_stations_cargo_page, STR_CONFIG_SETTING_STATIONS_CARGOHANDLING),
    01554   SettingEntry("station.adjacent_stations"),
    01555   SettingEntry("station.distant_join_stations"),
    01556   SettingEntry("station.station_spread"),
    01557   SettingEntry("economy.station_noise_level"),
    01558   SettingEntry("station.modified_catchment"),
    01559   SettingEntry("construction.road_stop_on_town_road"),
    01560   SettingEntry("construction.road_stop_on_competitor_road"),
    01561 };
    01563 static SettingsPage _settings_stations_page = {_settings_stations, lengthof(_settings_stations)};
    01564
    01565 static SettingEntry _settings_economy_towns[] = {
    01566   SettingEntry("difficulty.town_council_tolerance"),
    01567   SettingEntry("economy.bribe"),
    01568   SettingEntry("economy.exclusive_rights"),
    01569   SettingEntry("economy.fund_roads"),
    01570   SettingEntry("economy.fund_buildings"),
    01571   SettingEntry("economy.town_layout"),
    01572   SettingEntry("economy.allow_town_roads"),
    01573   SettingEntry("economy.allow_town_level_crossings"),
    01574   SettingEntry("economy.found_town"),
    01575   SettingEntry("economy.mod_road_rebuild"),
    01576   SettingEntry("economy.town_growth_rate"),
    01577   SettingEntry("economy.larger_towns"),
    01578   SettingEntry("economy.initial_city_size"),
    01579 };
    01581 static SettingsPage _settings_economy_towns_page = {_settings_economy_towns, lengthof(_settings_economy_towns)};
    01582
    01583 static SettingEntry _settings_economy_industries[] = {
    01584   SettingEntry("construction.raw_industry_construction"),
    01585   SettingEntry("construction.industry_platform"),
    01586   SettingEntry("economy.multiple_industry_per_town"),
    01587   SettingEntry("game_creation.oil_refinery_limit"),
    01588 };
    01590 static SettingsPage _settings_economy_industries_page = {_settings_economy_industries, lengthof(_settings_economy_industries)};
    01591
    01592
    01593 static SettingEntry _settings_economy[] = {
    01594   SettingEntry(&_settings_economy_towns_page, STR_CONFIG_SETTING_ECONOMY_TOWNS),
    01595   SettingEntry(&_settings_economy_industries_page, STR_CONFIG_SETTING_ECONOMY_INDUSTRIES),
    01596   SettingEntry("economy.inflation"),
    01597   SettingEntry("difficulty.initial_interest"),
    01598   SettingEntry("difficulty.max_loan"),
    01599   SettingEntry("difficulty.subsidy_multiplier"),
    01600   SettingEntry("difficulty.economy"),
    01601   SettingEntry("economy.smooth_economy"),
    01602   SettingEntry("economy.feeder_payment_share"),
    01603   SettingEntry("economy.infrastructure_maintenance"),
    01604   SettingEntry("difficulty.vehicle_costs"),
    01605   SettingEntry("difficulty.construction_cost"),
    01606   SettingEntry("difficulty.disasters"),
    01607 };
    01609 static SettingsPage _settings_economy_page = {_settings_economy, lengthof(_settings_economy)};
    01610
    01611 static SettingEntry _settings_ai_npc[] = {
    01612   SettingEntry("script.settings_profile"),
    01613   SettingEntry("script.script_max_opcode_till_suspend"),
    01614   SettingEntry("difficulty.competitor_speed"),
    01615   SettingEntry("ai.ai_in_multiplayer"),
    01616   SettingEntry("ai.ai_disable_veh_train"),
    01617   SettingEntry("ai.ai_disable_veh_roadveh"),
    01618   SettingEntry("ai.ai_disable_veh_aircraft"),
    01619   SettingEntry("ai.ai_disable_veh_ship"),
    01620 };
    01622 static SettingsPage _settings_ai_npc_page = {_settings_ai_npc, lengthof(_settings_ai_npc)};
    01623
    01624 static SettingEntry _settings_ai[] = {
    01625   SettingEntry(&_settings_ai_npc_page, STR_CONFIG_SETTING_AI_NPC),
    01626   SettingEntry("economy.give_money"),
    01627   SettingEntry("economy.allow_shares"),
    01628 };
    01630 static SettingsPage _settings_ai_page = {_settings_ai, lengthof(_settings_ai)};
    01631
    01632 static SettingEntry _settings_vehicles_routing[] = {
    01633   SettingEntry("pf.pathfinder_for_trains"),
    01634   SettingEntry("pf.forbid_90_deg"),
    01635   SettingEntry("pf.pathfinder_for_roadvehs"),
    01636   SettingEntry("pf.roadveh_queue"),
    01637   SettingEntry("pf.pathfinder_for_ships"),
    01638 };
    01640 static SettingsPage _settings_vehicles_routing_page = {_settings_vehicles_routing, lengthof(_settings_vehicles_routing)};
    01641
    01642 static SettingEntry _settings_vehicles_autorenew[] = {
    01643   SettingEntry("company.engine_renew"),
    01644   SettingEntry("company.engine_renew_months"),
    01645   SettingEntry("company.engine_renew_money"),
    01646 };
    01648 static SettingsPage _settings_vehicles_autorenew_page = {_settings_vehicles_autorenew, lengthof(_settings_vehicles_autorenew)};
    01649
    01650 static SettingEntry _settings_vehicles_servicing[] = {
    01651   SettingEntry("vehicle.servint_ispercent"),
    01652   SettingEntry("vehicle.servint_trains"),
    01653   SettingEntry("vehicle.servint_roadveh"),
    01654   SettingEntry("vehicle.servint_ships"),
    01655   SettingEntry("vehicle.servint_aircraft"),
    01656   SettingEntry("difficulty.vehicle_breakdowns"),
    01657   SettingEntry("order.no_servicing_if_no_breakdowns"),
    01658   SettingEntry("order.serviceathelipad"),
    01659 };
    01661 static SettingsPage _settings_vehicles_servicing_page = {_settings_vehicles_servicing, lengthof(_settings_vehicles_servicing)};
    01662
    01663 static SettingEntry _settings_vehicles_trains[] = {
    01664   SettingEntry("difficulty.line_reverse_mode"),
    01665   SettingEntry("pf.reverse_at_signals"),
    01666   SettingEntry("vehicle.train_acceleration_model"),
    01667   SettingEntry("vehicle.train_slope_steepness"),
    01668   SettingEntry("vehicle.max_train_length"),
    01669   SettingEntry("vehicle.wagon_speed_limits"),
    01670   SettingEntry("vehicle.disable_elrails"),
    01671   SettingEntry("vehicle.freight_trains"),
    01672   SettingEntry("gui.stop_location"),
    01673 };
    01675 static SettingsPage _settings_vehicles_trains_page = {_settings_vehicles_trains, lengthof(_settings_vehicles_trains)};
    01676
    01677 static SettingEntry _settings_vehicles[] = {
    01678   SettingEntry(&_settings_vehicles_routing_page, STR_CONFIG_SETTING_VEHICLES_ROUTING),
    01679   SettingEntry(&_settings_vehicles_autorenew_page, STR_CONFIG_SETTING_VEHICLES_AUTORENEW),
    01680   SettingEntry(&_settings_vehicles_servicing_page, STR_CONFIG_SETTING_VEHICLES_SERVICING),
    01681   SettingEntry(&_settings_vehicles_trains_page, STR_CONFIG_SETTING_VEHICLES_TRAINS),
    01682   SettingEntry("gui.new_nonstop"),
    01683   SettingEntry("gui.order_review_system"),
    01684   SettingEntry("gui.vehicle_income_warn"),
    01685   SettingEntry("gui.lost_vehicle_warn"),
    01686   SettingEntry("vehicle.never_expire_vehicles"),
    01687   SettingEntry("vehicle.max_trains"),
    01688   SettingEntry("vehicle.max_roadveh"),
    01689   SettingEntry("vehicle.max_aircraft"),
    01690   SettingEntry("vehicle.max_ships"),
    01691   SettingEntry("vehicle.plane_speed"),
    01692   SettingEntry("vehicle.plane_crashes"),
    01693   SettingEntry("vehicle.dynamic_engines"),
    01694   SettingEntry("vehicle.roadveh_acceleration_model"),
    01695   SettingEntry("vehicle.roadveh_slope_steepness"),
    01696   SettingEntry("vehicle.smoke_amount"),
    01697 };
    01699 static SettingsPage _settings_vehicles_page = {_settings_vehicles, lengthof(_settings_vehicles)};
    01700
    01701 static SettingEntry _settings_main[] = {
    01702   SettingEntry(&_settings_ui_page,           STR_CONFIG_SETTING_GUI),
    01703   SettingEntry(&_settings_construction_page, STR_CONFIG_SETTING_CONSTRUCTION),
    01704   SettingEntry(&_settings_vehicles_page,     STR_CONFIG_SETTING_VEHICLES),
    01705   SettingEntry(&_settings_stations_page,     STR_CONFIG_SETTING_STATIONS),
    01706   SettingEntry(&_settings_economy_page,      STR_CONFIG_SETTING_ECONOMY),
    01707   SettingEntry(&_settings_ai_page,           STR_CONFIG_SETTING_AI),
    01708 };
    01709
    01711 static SettingsPage _settings_main_page = {_settings_main, lengthof(_settings_main)};
    01712
    01713 static const StringID _game_settings_restrict_dropdown[] = {
    01714   STR_CONFIG_SETTING_RESTRICT_BASIC,                            // RM_BASIC
    01715   STR_CONFIG_SETTING_RESTRICT_ADVANCED,                         // RM_ADVANCED
    01716   STR_CONFIG_SETTING_RESTRICT_ALL,                              // RM_ALL
    01717   STR_CONFIG_SETTING_RESTRICT_CHANGED_AGAINST_DEFAULT,          // RM_CHANGED_AGAINST_DEFAULT
    01718   STR_CONFIG_SETTING_RESTRICT_CHANGED_AGAINST_NEW,              // RM_CHANGED_AGAINST_NEW
    01719 };
    01720 assert_compile(lengthof(_game_settings_restrict_dropdown) == RM_END);
    01721
    01722 struct GameSettingsWindow : Window {
    01723   static const int SETTINGTREE_LEFT_OFFSET   = 5;
    01724   static const int SETTINGTREE_RIGHT_OFFSET  = 5;
    01725   static const int SETTINGTREE_TOP_OFFSET    = 5;
    01726   static const int SETTINGTREE_BOTTOM_OFFSET = 5;
    01727
    01728   static GameSettings *settings_ptr;
    01729
    01730   SettingEntry *valuewindow_entry;
    01731   SettingEntry *clicked_entry;
    01732   SettingEntry *last_clicked;
    01733   SettingEntry *valuedropdown_entry;
    01734   bool closing_dropdown;
    01735
    01736   SettingFilter filter;
    01737   QueryString filter_editbox;
    01738   bool manually_changed_folding;
    01739
    01740   Scrollbar *vscroll;
    01741
    01742   GameSettingsWindow(const WindowDesc *desc) : filter_editbox(50)
    01743   {
    01744     static bool first_time = true;
    01745
    01746     filter.mode = (RestrictionMode)_settings_client.gui.settings_restriction_mode;
    01747     filter.type = ST_ALL;
    01748     settings_ptr = &GetGameSettings();
    01749
    01750     /* Build up the dynamic settings-array only once per OpenTTD session */
    01751     if (first_time) {
    01752       _settings_main_page.Init();
    01753       first_time = false;
    01754     } else {
    01755       _settings_main_page.FoldAll(); // Close all sub-pages
    01756     }
    01757
    01758     this->valuewindow_entry = NULL; // No setting entry for which a entry window is opened
    01759     this->clicked_entry = NULL; // No numeric setting buttons are depressed
    01760     this->last_clicked = NULL;
    01761     this->valuedropdown_entry = NULL;
    01762     this->closing_dropdown = false;
    01763     this->manually_changed_folding = false;
    01764
    01765     this->CreateNestedTree(desc);
    01766     this->vscroll = this->GetScrollbar(WID_GS_SCROLLBAR);
    01767     this->FinishInitNested(desc, WN_GAME_OPTIONS_GAME_SETTINGS);
    01768
    01769     this->querystrings[WID_GS_FILTER] = &this->filter_editbox;
    01770     this->filter_editbox.cancel_button = QueryString::ACTION_CLEAR;
    01771     this->SetFocusedWidget(WID_GS_FILTER);
    01772
    01773     this->InvalidateData();
    01774   }
    01775
    01776   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01777   {
    01778     switch (widget) {
    01779       case WID_GS_OPTIONSPANEL:
    01780         resize->height = SETTING_HEIGHT = max(11, FONT_HEIGHT_NORMAL + 1);
    01781         resize->width  = 1;
    01782
    01783         size->height = 5 * resize->height + SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET;
    01784         break;
    01785
    01786       case WID_GS_HELP_TEXT: {
    01787         static const StringID setting_types[] = {
    01788           STR_CONFIG_SETTING_TYPE_CLIENT,
    01789           STR_CONFIG_SETTING_TYPE_COMPANY_MENU, STR_CONFIG_SETTING_TYPE_COMPANY_INGAME,
    01790           STR_CONFIG_SETTING_TYPE_GAME_MENU, STR_CONFIG_SETTING_TYPE_GAME_INGAME,
    01791         };
    01792         for (uint i = 0; i < lengthof(setting_types); i++) {
    01793           SetDParam(0, setting_types[i]);
    01794           size->width = max(size->width, GetStringBoundingBox(STR_CONFIG_SETTING_TYPE).width);
    01795         }
    01796         size->height = 2 * FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL +
    01797             max(size->height, _settings_main_page.GetMaxHelpHeight(size->width));
    01798         break;
    01799       }
    01800
    01801       default:
    01802         break;
    01803     }
    01804   }
    01805
    01806   virtual void OnPaint()
    01807   {
    01808     if (this->closing_dropdown) {
    01809       this->closing_dropdown = false;
    01810       assert(this->valuedropdown_entry != NULL);
    01811       this->valuedropdown_entry->SetButtons(0);
    01812       this->valuedropdown_entry = NULL;
    01813     }
    01814     this->DrawWidgets();
    01815   }
    01816
    01817   virtual void SetStringParameters(int widget) const
    01818   {
    01819     switch (widget) {
    01820       case WID_GS_RESTRICT_DROPDOWN:
    01821         SetDParam(0, _game_settings_restrict_dropdown[this->filter.mode]);
    01822         break;
    01823
    01824       case WID_GS_TYPE_DROPDOWN:
    01825         switch (this->filter.type) {
    01826           case ST_GAME:    SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_INGAME); break;
    01827           case ST_COMPANY: SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_INGAME); break;
    01828           case ST_CLIENT:  SetDParam(0, STR_CONFIG_SETTING_TYPE_DROPDOWN_CLIENT); break;
    01829           default:         SetDParam(0, STR_CONFIG_SETTING_TYPE_DROPDOWN_ALL); break;
    01830         }
    01831         break;
    01832     }
    01833   }
    01834
    01835   DropDownList *BuildDropDownList(int widget) const
    01836   {
    01837     DropDownList *list = NULL;
    01838     switch (widget) {
    01839       case WID_GS_RESTRICT_DROPDOWN:
    01840         list = new DropDownList();
    01841
    01842         for (int mode = 0; mode != RM_END; mode++) {
    01843           /* If we are in adv. settings screen for the new game's settings,
    01844            * we don't want to allow comparing with new game's settings. */
    01845           bool disabled = mode == RM_CHANGED_AGAINST_NEW && settings_ptr == &_settings_newgame;
    01846
    01847           list->push_back(new DropDownListStringItem(_game_settings_restrict_dropdown[mode], mode, disabled));
    01848         }
    01849         break;
    01850
    01851       case WID_GS_TYPE_DROPDOWN:
    01852         list = new DropDownList();
    01853         list->push_back(new DropDownListStringItem(STR_CONFIG_SETTING_TYPE_DROPDOWN_ALL, ST_ALL, false));
    01854         list->push_back(new DropDownListStringItem(_game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_INGAME, ST_GAME, false));
    01855         list->push_back(new DropDownListStringItem(_game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_INGAME, ST_COMPANY, false));
    01856         list->push_back(new DropDownListStringItem(STR_CONFIG_SETTING_TYPE_DROPDOWN_CLIENT, ST_CLIENT, false));
    01857         break;
    01858     }
    01859     return list;
    01860   }
    01861
    01862   virtual void DrawWidget(const Rect &r, int widget) const
    01863   {
    01864     switch (widget) {
    01865       case WID_GS_OPTIONSPANEL:
    01866         _settings_main_page.Draw(settings_ptr, r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, r.top + SETTINGTREE_TOP_OFFSET,
    01867             this->vscroll->GetPosition(), this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->last_clicked);
    01868         break;
    01869
    01870       case WID_GS_HELP_TEXT:
    01871         if (this->last_clicked != NULL) {
    01872           const SettingDesc *sd = this->last_clicked->d.entry.setting;
    01873
    01874           int y = r.top;
    01875           switch (sd->GetType()) {
    01876             case ST_COMPANY: SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_COMPANY_INGAME); break;
    01877             case ST_CLIENT:  SetDParam(0, STR_CONFIG_SETTING_TYPE_CLIENT); break;
    01878             case ST_GAME:    SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_GAME_MENU : STR_CONFIG_SETTING_TYPE_GAME_INGAME); break;
    01879             default: NOT_REACHED();
    01880           }
    01881           DrawString(r.left, r.right, y, STR_CONFIG_SETTING_TYPE);
    01882           y += FONT_HEIGHT_NORMAL;
    01883
    01884           int32 default_value = ReadValue(&sd->desc.def, sd->save.conv);
    01885           this->last_clicked->SetValueDParams(0, default_value);
    01886           DrawString(r.left, r.right, y, STR_CONFIG_SETTING_DEFAULT_VALUE);
    01887           y += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
    01888
    01889           DrawStringMultiLine(r.left, r.right, y, r.bottom, this->last_clicked->GetHelpText(), TC_WHITE);
    01890         }
    01891         break;
    01892
    01893       default:
    01894         break;
    01895     }
    01896   }
    01897
    01902   void SetDisplayedHelpText(SettingEntry *pe)
    01903   {
    01904     if (this->last_clicked != pe) this->SetDirty();
    01905     this->last_clicked = pe;
    01906   }
    01907
    01908   virtual void OnClick(Point pt, int widget, int click_count)
    01909   {
    01910     switch (widget) {
    01911       case WID_GS_EXPAND_ALL:
    01912         this->manually_changed_folding = true;
    01913         _settings_main_page.UnFoldAll();
    01914         this->InvalidateData();
    01915         break;
    01916
    01917       case WID_GS_COLLAPSE_ALL:
    01918         this->manually_changed_folding = true;
    01919         _settings_main_page.FoldAll();
    01920         this->InvalidateData();
    01921         break;
    01922
    01923       case WID_GS_RESTRICT_DROPDOWN: {
    01924         DropDownList *list = this->BuildDropDownList(widget);
    01925         if (list != NULL) {
    01926           ShowDropDownList(this, list, this->filter.mode, widget);
    01927         }
    01928         break;
    01929       }
    01930
    01931       case WID_GS_TYPE_DROPDOWN: {
    01932         DropDownList *list = this->BuildDropDownList(widget);
    01933         if (list != NULL) {
    01934           ShowDropDownList(this, list, this->filter.type, widget);
    01935         }
    01936         break;
    01937       }
    01938     }
    01939
    01940     if (widget != WID_GS_OPTIONSPANEL) return;
    01941
    01942     uint btn = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET);
    01943     if (btn == INT_MAX) return;
    01944
    01945     uint cur_row = 0;
    01946     SettingEntry *pe = _settings_main_page.FindEntry(btn, &cur_row);
    01947
    01948     if (pe == NULL) return;  // Clicked below the last setting of the page
    01949
    01950     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
    01951     if (x < 0) return;  // Clicked left of the entry
    01952
    01953     if ((pe->flags & SEF_KIND_MASK) == SEF_SUBTREE_KIND) {
    01954       this->SetDisplayedHelpText(NULL);
    01955       pe->d.sub.folded = !pe->d.sub.folded; // Flip 'folded'-ness of the sub-page
    01956
    01957       this->manually_changed_folding = true;
    01958
    01959       this->InvalidateData();
    01960       return;
    01961     }
    01962
    01963     assert((pe->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01964     const SettingDesc *sd = pe->d.entry.setting;
    01965
    01966     /* return if action is only active in network, or only settable by server */
    01967     if (!sd->IsEditable()) {
    01968       this->SetDisplayedHelpText(pe);
    01969       return;
    01970     }
    01971
    01972     const void *var = ResolveVariableAddress(settings_ptr, sd);
    01973     int32 value = (int32)ReadValue(var, sd->save.conv);
    01974
    01975     /* clicked on the icon on the left side. Either scroller, bool on/off or dropdown */
    01976     if (x < SETTING_BUTTON_WIDTH && (sd->desc.flags & SGF_MULTISTRING)) {
    01977       const SettingDescBase *sdb = &sd->desc;
    01978       this->SetDisplayedHelpText(pe);
    01979
    01980       if (this->valuedropdown_entry == pe) {
    01981         /* unclick the dropdown */
    01982         HideDropDownMenu(this);
    01983         this->closing_dropdown = false;
    01984         this->valuedropdown_entry->SetButtons(0);
    01985         this->valuedropdown_entry = NULL;
    01986       } else {
    01987         if (this->valuedropdown_entry != NULL) this->valuedropdown_entry->SetButtons(0);
    01988         this->closing_dropdown = false;
    01989
    01990         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_GS_OPTIONSPANEL);
    01991         int rel_y = (pt.y - (int)wid->pos_y - SETTINGTREE_TOP_OFFSET) % wid->resize_y;
    01992
    01993         Rect wi_rect;
    01994         wi_rect.left = pt.x - (_current_text_dir == TD_RTL ? SETTING_BUTTON_WIDTH - 1 - x : x);
    01995         wi_rect.right = wi_rect.left + SETTING_BUTTON_WIDTH - 1;
    01996         wi_rect.top = pt.y - rel_y + (SETTING_HEIGHT - SETTING_BUTTON_HEIGHT) / 2;
    01997         wi_rect.bottom = wi_rect.top + SETTING_BUTTON_HEIGHT - 1;
    01998
    01999         /* For dropdowns we also have to check the y position thoroughly, the mouse may not above the just opening dropdown */
    02000         if (pt.y >= wi_rect.top && pt.y <= wi_rect.bottom) {
    02001           this->valuedropdown_entry = pe;
    02002           this->valuedropdown_entry->SetButtons(SEF_LEFT_DEPRESSED);
    02003
    02004           DropDownList *list = new DropDownList();
    02005           for (int i = sdb->min; i <= (int)sdb->max; i++) {
    02006             list->push_back(new DropDownListStringItem(sdb->str_val + i - sdb->min, i, false));
    02007           }
    02008
    02009           ShowDropDownListAt(this, list, value, -1, wi_rect, COLOUR_ORANGE, true);
    02010         }
    02011       }
    02012       this->SetDirty();
    02013     } else if (x < SETTING_BUTTON_WIDTH) {
    02014       this->SetDisplayedHelpText(pe);
    02015       const SettingDescBase *sdb = &sd->desc;
    02016       int32 oldvalue = value;
    02017
    02018       switch (sdb->cmd) {
    02019         case SDT_BOOLX: value ^= 1; break;
    02020         case SDT_ONEOFMANY:
    02021         case SDT_NUMX: {
    02022           /* Add a dynamic step-size to the scroller. In a maximum of
    02023            * 50-steps you should be able to get from min to max,
    02024            * unless specified otherwise in the 'interval' variable
    02025            * of the current setting. */
    02026           uint32 step = (sdb->interval == 0) ? ((sdb->max - sdb->min) / 50) : sdb->interval;
    02027           if (step == 0) step = 1;
    02028
    02029           /* don't allow too fast scrolling */
    02030           if ((this->flags & WF_TIMEOUT) && this->timeout_timer > 1) {
    02031             _left_button_clicked = false;
    02032             return;
    02033           }
    02034
    02035           /* Increase or decrease the value and clamp it to extremes */
    02036           if (x >= SETTING_BUTTON_WIDTH / 2) {
    02037             value += step;
    02038             if (sdb->min < 0) {
    02039               assert((int32)sdb->max >= 0);
    02040               if (value > (int32)sdb->max) value = (int32)sdb->max;
    02041             } else {
    02042               if ((uint32)value > sdb->max) value = (int32)sdb->max;
    02043             }
    02044             if (value < sdb->min) value = sdb->min; // skip between "disabled" and minimum
    02045           } else {
    02046             value -= step;
    02047             if (value < sdb->min) value = (sdb->flags & SGF_0ISDISABLED) ? 0 : sdb->min;
    02048           }
    02049
    02050           /* Set up scroller timeout for numeric values */
    02051           if (value != oldvalue) {
    02052             if (this->clicked_entry != NULL) { // Release previous buttons if any
    02053               this->clicked_entry->SetButtons(0);
    02054             }
    02055             this->clicked_entry = pe;
    02056             this->clicked_entry->SetButtons((x >= SETTING_BUTTON_WIDTH / 2) != (_current_text_dir == TD_RTL) ? SEF_RIGHT_DEPRESSED : SEF_LEFT_DEPRESSED);
    02057             this->SetTimeout();
    02058             _left_button_clicked = false;
    02059           }
    02060           break;
    02061         }
    02062
    02063         default: NOT_REACHED();
    02064       }
    02065
    02066       if (value != oldvalue) {
    02067         if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02068           SetCompanySetting(pe->d.entry.index, value);
    02069         } else {
    02070           SetSettingValue(pe->d.entry.index, value);
    02071         }
    02072         this->SetDirty();
    02073       }
    02074     } else {
    02075       /* Only open editbox if clicked for the second time, and only for types where it is sensible for. */
    02076       if (this->last_clicked == pe && sd->desc.cmd != SDT_BOOLX && !(sd->desc.flags & SGF_MULTISTRING)) {
    02077         /* Show the correct currency-translated value */
    02078         if (sd->desc.flags & SGF_CURRENCY) value *= _currency->rate;
    02079
    02080         this->valuewindow_entry = pe;
    02081         SetDParam(0, value);
    02082         ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
    02083       }
    02084       this->SetDisplayedHelpText(pe);
    02085     }
    02086   }
    02087
    02088   virtual void OnTimeout()
    02089   {
    02090     if (this->clicked_entry != NULL) { // On timeout, release any depressed buttons
    02091       this->clicked_entry->SetButtons(0);
    02092       this->clicked_entry = NULL;
    02093       this->SetDirty();
    02094     }
    02095   }
    02096
    02097   virtual void OnQueryTextFinished(char *str)
    02098   {
    02099     /* The user pressed cancel */
    02100     if (str == NULL) return;
    02101
    02102     assert(this->valuewindow_entry != NULL);
    02103     assert((this->valuewindow_entry->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    02104     const SettingDesc *sd = this->valuewindow_entry->d.entry.setting;
    02105
    02106     int32 value;
    02107     if (!StrEmpty(str)) {
    02108       value = atoi(str);
    02109
    02110       /* Save the correct currency-translated value */
    02111       if (sd->desc.flags & SGF_CURRENCY) value /= _currency->rate;
    02112     } else {
    02113       value = (int32)(size_t)sd->desc.def;
    02114     }
    02115
    02116     if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02117       SetCompanySetting(this->valuewindow_entry->d.entry.index, value);
    02118     } else {
    02119       SetSettingValue(this->valuewindow_entry->d.entry.index, value);
    02120     }
    02121     this->SetDirty();
    02122   }
    02123
    02124   virtual void OnDropdownSelect(int widget, int index)
    02125   {
    02126     switch (widget) {
    02127       case WID_GS_RESTRICT_DROPDOWN:
    02128         this->filter.mode = (RestrictionMode)index;
    02129         if (this->filter.mode == RM_CHANGED_AGAINST_DEFAULT ||
    02130             this->filter.mode == RM_CHANGED_AGAINST_NEW) {
    02131
    02132           if (!this->manually_changed_folding) {
    02133             /* Expand all when selecting 'changes'. Update the filter state first, in case it becomes less restrictive in some cases. */
    02134             _settings_main_page.UpdateFilterState(this->filter, false);
    02135             _settings_main_page.UnFoldAll();
    02136           }
    02137         } else {
    02138           /* Non-'changes' filter. Save as default. */
    02139           _settings_client.gui.settings_restriction_mode = this->filter.mode;
    02140         }
    02141         this->InvalidateData();
    02142         break;
    02143
    02144       case WID_GS_TYPE_DROPDOWN:
    02145         this->filter.type = (SettingType)index;
    02146         this->InvalidateData();
    02147         break;
    02148
    02149       default:
    02150         if (widget < 0) {
    02151           /* Deal with drop down boxes on the panel. */
    02152           assert(this->valuedropdown_entry != NULL);
    02153           const SettingDesc *sd = this->valuedropdown_entry->d.entry.setting;
    02154           assert(sd->desc.flags & SGF_MULTISTRING);
    02155
    02156           if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02157             SetCompanySetting(this->valuedropdown_entry->d.entry.index, index);
    02158           } else {
    02159             SetSettingValue(this->valuedropdown_entry->d.entry.index, index);
    02160           }
    02161
    02162           this->SetDirty();
    02163         }
    02164         break;
    02165     }
    02166   }
    02167
    02168   virtual void OnDropdownClose(Point pt, int widget, int index, bool instant_close)
    02169   {
    02170     if (widget >= 0) {
    02171       /* Normally the default implementation of OnDropdownClose() takes care of
    02172        * a few things. We want that behaviour here too, but only for
    02173        * "normal" dropdown boxes. The special dropdown boxes added for every
    02174        * setting that needs one can't have this call. */
    02175       Window::OnDropdownClose(pt, widget, index, instant_close);
    02176     } else {
    02177       /* We cannot raise the dropdown button just yet. OnClick needs some hint, whether
    02178        * the same dropdown button was clicked again, and then not open the dropdown again.
    02179        * So, we only remember that it was closed, and process it on the next OnPaint, which is
    02180        * after OnClick. */
    02181       assert(this->valuedropdown_entry != NULL);
    02182       this->closing_dropdown = true;
    02183       this->SetDirty();
    02184     }
    02185   }
    02186
    02187   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    02188   {
    02189     if (!gui_scope) return;
    02190
    02191     _settings_main_page.UpdateFilterState(this->filter, false);
    02192
    02193     this->vscroll->SetCount(_settings_main_page.Length());
    02194
    02195     if (this->last_clicked != NULL && !_settings_main_page.IsVisible(this->last_clicked)) {
    02196       this->SetDisplayedHelpText(NULL);
    02197     }
    02198
    02199     bool all_folded = true;
    02200     bool all_unfolded = true;
    02201     _settings_main_page.GetFoldingState(all_folded, all_unfolded);
    02202     this->SetWidgetDisabledState(WID_GS_EXPAND_ALL, all_unfolded);
    02203     this->SetWidgetDisabledState(WID_GS_COLLAPSE_ALL, all_folded);
    02204   }
    02205
    02206   virtual void OnEditboxChanged(int wid)
    02207   {
    02208     if (wid == WID_GS_FILTER) {
    02209       this->filter.string.SetFilterTerm(this->filter_editbox.text.buf);
    02210       if (!this->filter.string.IsEmpty() && !this->manually_changed_folding) {
    02211         /* User never expanded/collapsed single pages and entered a filter term.
    02212          * Expand everything, to save weird expand clicks, */
    02213         _settings_main_page.UnFoldAll();
    02214       }
    02215       this->InvalidateData();
    02216     }
    02217   }
    02218
    02219   virtual void OnResize()
    02220   {
    02221     this->vscroll->SetCapacityFromWidget(this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET);
    02222   }
    02223 };
    02224
    02225 GameSettings *GameSettingsWindow::settings_ptr = NULL;
    02226
    02227 static const NWidgetPart _nested_settings_selection_widgets[] = {
    02228   NWidget(NWID_HORIZONTAL),
    02229     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
    02230     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_CONFIG_SETTING_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    02231   EndContainer(),
    02232   NWidget(WWT_PANEL, COLOUR_MAUVE),
    02233     NWidget(NWID_HORIZONTAL), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0),
    02234         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
    02235       NWidget(WWT_TEXT, COLOUR_MAUVE, WID_GS_RESTRICT_LABEL), SetDataTip(STR_CONFIG_SETTING_RESTRICT_LABEL, STR_NULL),
    02236       NWidget(NWID_VERTICAL), SetPIP(0, WD_PAR_VSEP_NORMAL, 0),
    02237         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),
    02238         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),
    02239       EndContainer(),
    02240     EndContainer(),
    02241     NWidget(NWID_HORIZONTAL), SetPadding(0, 0, WD_TEXTPANEL_BOTTOM, 0),
    02242         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
    02243       NWidget(WWT_TEXT, COLOUR_MAUVE), SetFill(0, 1), SetDataTip(STR_CONFIG_SETTING_FILTER_TITLE, STR_NULL),
    02244       NWidget(WWT_EDITBOX, COLOUR_MAUVE, WID_GS_FILTER), SetFill(1, 0), SetMinimalSize(50, 12), SetResize(1, 0),
    02245           SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
    02246     EndContainer(),
    02247   EndContainer(),
    02248   NWidget(NWID_HORIZONTAL),
    02249     NWidget(WWT_PANEL, COLOUR_MAUVE, WID_GS_OPTIONSPANEL), SetMinimalSize(400, 174), SetScrollbar(WID_GS_SCROLLBAR), EndContainer(),
    02250     NWidget(NWID_VERTICAL),
    02251       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_GS_SCROLLBAR),
    02252     EndContainer(),
    02253   EndContainer(),
    02254   NWidget(WWT_PANEL, COLOUR_MAUVE), SetMinimalSize(400, 40),
    02255     NWidget(WWT_EMPTY, INVALID_COLOUR, WID_GS_HELP_TEXT), SetMinimalSize(300, 25), SetFill(1, 1), SetResize(1, 0),
    02256         SetPadding(WD_FRAMETEXT_TOP, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_BOTTOM, WD_FRAMETEXT_LEFT),
    02257     NWidget(NWID_HORIZONTAL),
    02258       NWidget(WWT_PANEL, COLOUR_MAUVE),
    02259         NWidget(NWID_HORIZONTAL),
    02260           NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_GS_EXPAND_ALL), SetDataTip(STR_CONFIG_SETTING_EXPAND_ALL, STR_NULL),
    02261           NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_GS_COLLAPSE_ALL), SetDataTip(STR_CONFIG_SETTING_COLLAPSE_ALL, STR_NULL),
    02262           NWidget(NWID_SPACER, INVALID_COLOUR), SetFill(1, 1), SetResize(1, 0),
    02263         EndContainer(),
    02264       EndContainer(),
    02265       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
    02266     EndContainer(),
    02267   EndContainer(),
    02268 };
    02269
    02270 static const WindowDesc _settings_selection_desc(
    02271   WDP_CENTER, 510, 450,
    02272   WC_GAME_OPTIONS, WC_NONE,
    02273   0,
    02274   _nested_settings_selection_widgets, lengthof(_nested_settings_selection_widgets)
    02275 );
    02276
    02278 void ShowGameSettings()
    02279 {
    02280   DeleteWindowByClass(WC_GAME_OPTIONS);
    02281   new GameSettingsWindow(&_settings_selection_desc);
    02282 }
    02283
    02284
    02294 void DrawArrowButtons(int x, int y, Colours button_colour, byte state, bool clickable_left, bool clickable_right)
    02295 {
    02296   int colour = _colour_gradient[button_colour][2];
    02297
    02298   DrawFrameRect(x,                            y, x + SETTING_BUTTON_WIDTH / 2 - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, (state == 1) ? FR_LOWERED : FR_NONE);
    02299   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);
    02300   DrawSprite(SPR_ARROW_LEFT, PAL_NONE, x + WD_IMGBTN_LEFT, y + WD_IMGBTN_TOP);
    02301   DrawSprite(SPR_ARROW_RIGHT, PAL_NONE, x + WD_IMGBTN_LEFT + SETTING_BUTTON_WIDTH / 2, y + WD_IMGBTN_TOP);
    02302
    02303   /* Grey out the buttons that aren't clickable */
    02304   bool rtl = _current_text_dir == TD_RTL;
    02305   if (rtl ? !clickable_right : !clickable_left) {
    02306     GfxFillRect(x                            + 1, y, x + SETTING_BUTTON_WIDTH / 2 - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02307   }
    02308   if (rtl ? !clickable_left : !clickable_right) {
    02309     GfxFillRect(x + SETTING_BUTTON_WIDTH / 2 + 1, y, x + SETTING_BUTTON_WIDTH     - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02310   }
    02311 }
    02312
    02321 void DrawDropDownButton(int x, int y, Colours button_colour, bool state, bool clickable)
    02322 {
    02323   static const char *DOWNARROW = "\xEE\x8A\xAA";
    02324
    02325   int colour = _colour_gradient[button_colour][2];
    02326
    02327   DrawFrameRect(x, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, state ? FR_LOWERED : FR_NONE);
    02328   DrawString(x + (state ? 1 : 0), x + SETTING_BUTTON_WIDTH - (state ? 0 : 1), y + (state ? 2 : 1), DOWNARROW, TC_BLACK, SA_HOR_CENTER);
    02329
    02330   if (!clickable) {
    02331     GfxFillRect(x +  1, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02332   }
    02333 }
    02334
    02342 void DrawBoolButton(int x, int y, bool state, bool clickable)
    02343 {
    02344   static const Colours _bool_ctabs[2][2] = {{COLOUR_CREAM, COLOUR_RED}, {COLOUR_DARK_GREEN, COLOUR_GREEN}};
    02345   DrawFrameRect(x, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 1, _bool_ctabs[state][clickable], state ? FR_LOWERED : FR_NONE);
    02346 }
    02347
    02348 struct CustomCurrencyWindow : Window {
    02349   int query_widget;
    02350
    02351   CustomCurrencyWindow(const WindowDesc *desc) : Window()
    02352   {
    02353     this->InitNested(desc);
    02354
    02355     SetButtonState();
    02356   }
    02357
    02358   void SetButtonState()
    02359   {
    02360     this->SetWidgetDisabledState(WID_CC_RATE_DOWN, _custom_currency.rate == 1);
    02361     this->SetWidgetDisabledState(WID_CC_RATE_UP, _custom_currency.rate == UINT16_MAX);
    02362     this->SetWidgetDisabledState(WID_CC_YEAR_DOWN, _custom_currency.to_euro == CF_NOEURO);
    02363     this->SetWidgetDisabledState(WID_CC_YEAR_UP, _custom_currency.to_euro == MAX_YEAR);
    02364   }
    02365
    02366   virtual void SetStringParameters(int widget) const
    02367   {
    02368     switch (widget) {
    02369       case WID_CC_RATE:      SetDParam(0, 1); SetDParam(1, 1);            break;
    02370       case WID_CC_SEPARATOR: SetDParamStr(0, _custom_currency.separator); break;
    02371       case WID_CC_PREFIX:    SetDParamStr(0, _custom_currency.prefix);    break;
    02372       case WID_CC_SUFFIX:    SetDParamStr(0, _custom_currency.suffix);    break;
    02373       case WID_CC_YEAR:
    02374         SetDParam(0, (_custom_currency.to_euro != CF_NOEURO) ? STR_CURRENCY_SWITCH_TO_EURO : STR_CURRENCY_SWITCH_TO_EURO_NEVER);
    02375         SetDParam(1, _custom_currency.to_euro);
    02376         break;
    02377
    02378       case WID_CC_PREVIEW:
    02379         SetDParam(0, 10000);
    02380         break;
    02381     }
    02382   }
    02383
    02384   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    02385   {
    02386     switch (widget) {
    02387       /* Set the appropriate width for the edit 'buttons' */
    02388       case WID_CC_SEPARATOR_EDIT:
    02389       case WID_CC_PREFIX_EDIT:
    02390       case WID_CC_SUFFIX_EDIT:
    02391         size->width  = this->GetWidget<NWidgetBase>(WID_CC_RATE_DOWN)->smallest_x + this->GetWidget<NWidgetBase>(WID_CC_RATE_UP)->smallest_x;
    02392         break;
    02393
    02394       /* Make sure the window is wide enough for the widest exchange rate */
    02395       case WID_CC_RATE:
    02396         SetDParam(0, 1);
    02397         SetDParam(1, INT32_MAX);
    02398         *size = GetStringBoundingBox(STR_CURRENCY_EXCHANGE_RATE);
    02399         break;
    02400     }
    02401   }
    02402
    02403   virtual void OnClick(Point pt, int widget, int click_count)
    02404   {
    02405     int line = 0;
    02406     int len = 0;
    02407     StringID str = 0;
    02408     CharSetFilter afilter = CS_ALPHANUMERAL;
    02409
    02410     switch (widget) {
    02411       case WID_CC_RATE_DOWN:
    02412         if (_custom_currency.rate > 1) _custom_currency.rate--;
    02413         if (_custom_currency.rate == 1) this->DisableWidget(WID_CC_RATE_DOWN);
    02414         this->EnableWidget(WID_CC_RATE_UP);
    02415         break;
    02416
    02417       case WID_CC_RATE_UP:
    02418         if (_custom_currency.rate < UINT16_MAX) _custom_currency.rate++;
    02419         if (_custom_currency.rate == UINT16_MAX) this->DisableWidget(WID_CC_RATE_UP);
    02420         this->EnableWidget(WID_CC_RATE_DOWN);
    02421         break;
    02422
    02423       case WID_CC_RATE:
    02424         SetDParam(0, _custom_currency.rate);
    02425         str = STR_JUST_INT;
    02426         len = 5;
    02427         line = WID_CC_RATE;
    02428         afilter = CS_NUMERAL;
    02429         break;
    02430
    02431       case WID_CC_SEPARATOR_EDIT:
    02432       case WID_CC_SEPARATOR:
    02433         SetDParamStr(0, _custom_currency.separator);
    02434         str = STR_JUST_RAW_STRING;
    02435         len = 1;
    02436         line = WID_CC_SEPARATOR;
    02437         break;
    02438
    02439       case WID_CC_PREFIX_EDIT:
    02440       case WID_CC_PREFIX:
    02441         SetDParamStr(0, _custom_currency.prefix);
    02442         str = STR_JUST_RAW_STRING;
    02443         len = 12;
    02444         line = WID_CC_PREFIX;
    02445         break;
    02446
    02447       case WID_CC_SUFFIX_EDIT:
    02448       case WID_CC_SUFFIX:
    02449         SetDParamStr(0, _custom_currency.suffix);
    02450         str = STR_JUST_RAW_STRING;
    02451         len = 12;
    02452         line = WID_CC_SUFFIX;
    02453         break;
    02454
    02455       case WID_CC_YEAR_DOWN:
    02456         _custom_currency.to_euro = (_custom_currency.to_euro <= 2000) ? CF_NOEURO : _custom_currency.to_euro - 1;
    02457         if (_custom_currency.to_euro == CF_NOEURO) this->DisableWidget(WID_CC_YEAR_DOWN);
    02458         this->EnableWidget(WID_CC_YEAR_UP);
    02459         break;
    02460
    02461       case WID_CC_YEAR_UP:
    02462         _custom_currency.to_euro = Clamp(_custom_currency.to_euro + 1, 2000, MAX_YEAR);
    02463         if (_custom_currency.to_euro == MAX_YEAR) this->DisableWidget(WID_CC_YEAR_UP);
    02464         this->EnableWidget(WID_CC_YEAR_DOWN);
    02465         break;
    02466
    02467       case WID_CC_YEAR:
    02468         SetDParam(0, _custom_currency.to_euro);
    02469         str = STR_JUST_INT;
    02470         len = 7;
    02471         line = WID_CC_YEAR;
    02472         afilter = CS_NUMERAL;
    02473         break;
    02474     }
    02475
    02476     if (len != 0) {
    02477       this->query_widget = line;
    02478       ShowQueryString(str, STR_CURRENCY_CHANGE_PARAMETER, len + 1, this, afilter, QSF_NONE);
    02479     }
    02480
    02481     this->SetTimeout();
    02482     this->SetDirty();
    02483   }
    02484
    02485   virtual void OnQueryTextFinished(char *str)
    02486   {
    02487     if (str == NULL) return;
    02488
    02489     switch (this->query_widget) {
    02490       case WID_CC_RATE:
    02491         _custom_currency.rate = Clamp(atoi(str), 1, UINT16_MAX);
    02492         break;
    02493
    02494       case WID_CC_SEPARATOR: // Thousands separator
    02495         strecpy(_custom_currency.separator, str, lastof(_custom_currency.separator));
    02496         break;
    02497
    02498       case WID_CC_PREFIX:
    02499         strecpy(_custom_currency.prefix, str, lastof(_custom_currency.prefix));
    02500         break;
    02501
    02502       case WID_CC_SUFFIX:
    02503         strecpy(_custom_currency.suffix, str, lastof(_custom_currency.suffix));
    02504         break;
    02505
    02506       case WID_CC_YEAR: { // Year to switch to euro
    02507         int val = atoi(str);
    02508
    02509         _custom_currency.to_euro = (val < 2000 ? CF_NOEURO : min(val, MAX_YEAR));
    02510         break;
    02511       }
    02512     }
    02513     MarkWholeScreenDirty();
    02514     SetButtonState();
    02515   }
    02516
    02517   virtual void OnTimeout()
    02518   {
    02519     this->SetDirty();
    02520   }
    02521 };
    02522
    02523 static const NWidgetPart _nested_cust_currency_widgets[] = {
    02524   NWidget(NWID_HORIZONTAL),
    02525     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    02526     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CURRENCY_WINDOW, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    02527   EndContainer(),
    02528   NWidget(WWT_PANEL, COLOUR_GREY),
    02529     NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(7, 3, 0),
    02530       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02531         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_EXCHANGE_RATE_TOOLTIP),
    02532         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_EXCHANGE_RATE_TOOLTIP),
    02533         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02534         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_RATE), SetDataTip(STR_CURRENCY_EXCHANGE_RATE, STR_CURRENCY_SET_EXCHANGE_RATE_TOOLTIP), SetFill(1, 0),
    02535       EndContainer(),
    02536       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02537         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SEPARATOR_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(0, 1),
    02538         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02539         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SEPARATOR), SetDataTip(STR_CURRENCY_SEPARATOR, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(1, 0),
    02540       EndContainer(),
    02541       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02542         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_PREFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(0, 1),
    02543         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02544         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_PREFIX), SetDataTip(STR_CURRENCY_PREFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(1, 0),
    02545       EndContainer(),
    02546       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02547         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SUFFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(0, 1),
    02548         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02549         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SUFFIX), SetDataTip(STR_CURRENCY_SUFFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(1, 0),
    02550       EndContainer(),
    02551       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02552         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
    02553         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
    02554         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02555         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_YEAR), SetDataTip(STR_JUST_STRING, STR_CURRENCY_SET_CUSTOM_CURRENCY_TO_EURO_TOOLTIP), SetFill(1, 0),
    02556       EndContainer(),
    02557     EndContainer(),
    02558     NWidget(WWT_LABEL, COLOUR_BLUE, WID_CC_PREVIEW),
    02559                 SetDataTip(STR_CURRENCY_PREVIEW, STR_CURRENCY_CUSTOM_CURRENCY_PREVIEW_TOOLTIP), SetPadding(15, 1, 18, 2),
    02560   EndContainer(),
    02561 };
    02562
    02563 static const WindowDesc _cust_currency_desc(
    02564   WDP_CENTER, 0, 0,
    02565   WC_CUSTOM_CURRENCY, WC_NONE,
    02566   0,
    02567   _nested_cust_currency_widgets, lengthof(_nested_cust_currency_widgets)
    02568 );
    02569
    02571 static void ShowCustCurrency()
    02572 {
    02573   DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
    02574   new CustomCurrencyWindow(&_cust_currency_desc);
    02575 }