# settings_gui.cpp

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    00001 /* $Id$ */
    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         uint64 disabled = _game_mode == GM_MENU ? 0LL : ~GetMaskOfAllowedCurrencies();
    00193
    00194         /* Add non-custom currencies; sorted naturally */
    00195         for (uint i = 0; i < CURRENCY_END; items++, i++) {
    00196           if (i == CURRENCY_CUSTOM) continue;
    00197           list->push_back(new DropDownListStringItem(*items, i, HasBit(disabled, i)));
    00198         }
    00199         list->sort(DropDownListStringItem::NatSortFunc);
    00200
    00201         /* Append custom currency at the end */
    00202         list->push_back(new DropDownListItem(-1, false)); // separator line
    00203         list->push_back(new DropDownListStringItem(STR_GAME_OPTIONS_CURRENCY_CUSTOM, CURRENCY_CUSTOM, HasBit(disabled, CURRENCY_CUSTOM)));
    00204         break;
    00205       }
    00206
    00207       case WID_GO_DISTANCE_DROPDOWN: { // Setup distance unit dropdown
    00208         list = new DropDownList();
    00209         *selected_index = this->opt->locale.units;
    00210         const StringID *items = _units_dropdown;
    00211         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00212           list->push_back(new DropDownListStringItem(*items, i, false));
    00213         }
    00214         break;
    00215       }
    00216
    00217       case WID_GO_ROADSIDE_DROPDOWN: { // Setup road-side dropdown
    00218         list = new DropDownList();
    00219         *selected_index = this->opt->vehicle.road_side;
    00220         const StringID *items = _driveside_dropdown;
    00221         uint disabled = 0;
    00222
    00223         /* You can only change the drive side if you are in the menu or ingame with
    00224          * no vehicles present. In a networking game only the server can change it */
    00225         extern bool RoadVehiclesAreBuilt();
    00226         if ((_game_mode != GM_MENU && RoadVehiclesAreBuilt()) || (_networking && !_network_server)) {
    00227           disabled = ~(1 << this->opt->vehicle.road_side); // disable the other value
    00228         }
    00229
    00230         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00231           list->push_back(new DropDownListStringItem(*items, i, HasBit(disabled, i)));
    00232         }
    00233         break;
    00234       }
    00235
    00236       case WID_GO_TOWNNAME_DROPDOWN: { // Setup townname dropdown
    00237         list = new DropDownList();
    00238         *selected_index = this->opt->game_creation.town_name;
    00239
    00240         int enabled_item = (_game_mode == GM_MENU || Town::GetNumItems() == 0) ? -1 : *selected_index;
    00241
    00242         /* Add and sort original townnames generators */
    00243         for (int i = 0; i < _nb_orig_names; i++) {
    00244           list->push_back(new DropDownListStringItem(STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + i, i, enabled_item != i && enabled_item >= 0));
    00245         }
    00246         list->sort(DropDownListStringItem::NatSortFunc);
    00247
    00248         /* Add and sort newgrf townnames generators */
    00249         DropDownList newgrf_names;
    00250         for (int i = 0; i < _nb_grf_names; i++) {
    00251           int result = _nb_orig_names + i;
    00252           newgrf_names.push_back(new DropDownListStringItem(_grf_names[i], result, enabled_item != result && enabled_item >= 0));
    00253         }
    00254         newgrf_names.sort(DropDownListStringItem::NatSortFunc);
    00255
    00256         /* Insert newgrf_names at the top of the list */
    00257         if (newgrf_names.size() > 0) {
    00258           newgrf_names.push_back(new DropDownListItem(-1, false)); // separator line
    00259           list->splice(list->begin(), newgrf_names);
    00260         }
    00261         break;
    00262       }
    00263
    00264       case WID_GO_AUTOSAVE_DROPDOWN: { // Setup autosave dropdown
    00265         list = new DropDownList();
    00266         *selected_index = _settings_client.gui.autosave;
    00267         const StringID *items = _autosave_dropdown;
    00268         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00269           list->push_back(new DropDownListStringItem(*items, i, false));
    00270         }
    00271         break;
    00272       }
    00273
    00274       case WID_GO_LANG_DROPDOWN: { // Setup interface language dropdown
    00275         list = new DropDownList();
    00276         for (uint i = 0; i < _languages.Length(); i++) {
    00277           if (&_languages[i] == _current_language) *selected_index = i;
    00278           list->push_back(new DropDownListStringItem(SPECSTR_LANGUAGE_START + i, i, false));
    00279         }
    00280         list->sort(DropDownListStringItem::NatSortFunc);
    00281         break;
    00282       }
    00283
    00284       case WID_GO_RESOLUTION_DROPDOWN: // Setup resolution dropdown
    00285         list = new DropDownList();
    00286         *selected_index = GetCurRes();
    00287         for (int i = 0; i < _num_resolutions; i++) {
    00288           list->push_back(new DropDownListStringItem(SPECSTR_RESOLUTION_START + i, i, false));
    00289         }
    00290         break;
    00291
    00292       case WID_GO_SCREENSHOT_DROPDOWN: // Setup screenshot format dropdown
    00293         list = new DropDownList();
    00294         *selected_index = _cur_screenshot_format;
    00295         for (uint i = 0; i < _num_screenshot_formats; i++) {
    00296           if (!GetScreenshotFormatSupports_32bpp(i) && BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth() == 32) continue;
    00297           list->push_back(new DropDownListStringItem(SPECSTR_SCREENSHOT_START + i, i, false));
    00298         }
    00299         break;
    00300
    00301       case WID_GO_BASE_GRF_DROPDOWN:
    00302         list = BuiltSetDropDownList<BaseGraphics>(selected_index);
    00303         break;
    00304
    00305       case WID_GO_BASE_SFX_DROPDOWN:
    00306         list = BuiltSetDropDownList<BaseSounds>(selected_index);
    00307         break;
    00308
    00309       case WID_GO_BASE_MUSIC_DROPDOWN:
    00310         list = BuiltSetDropDownList<BaseMusic>(selected_index);
    00311         break;
    00312
    00313       default:
    00314         return NULL;
    00315     }
    00316
    00317     return list;
    00318   }
    00319
    00320   virtual void SetStringParameters(int widget) const
    00321   {
    00322     switch (widget) {
    00323       case WID_GO_CURRENCY_DROPDOWN:   SetDParam(0, _currency_specs[this->opt->locale.currency].name); break;
    00324       case WID_GO_DISTANCE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL + this->opt->locale.units); break;
    00325       case WID_GO_ROADSIDE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT + this->opt->vehicle.road_side); break;
    00326       case WID_GO_TOWNNAME_DROPDOWN:   SetDParam(0, TownName(this->opt->game_creation.town_name)); break;
    00327       case WID_GO_AUTOSAVE_DROPDOWN:   SetDParam(0, _autosave_dropdown[_settings_client.gui.autosave]); break;
    00328       case WID_GO_LANG_DROPDOWN:       SetDParamStr(0, _current_language->own_name); break;
    00329       case WID_GO_RESOLUTION_DROPDOWN: SetDParam(0, GetCurRes() == _num_resolutions ? STR_GAME_OPTIONS_RESOLUTION_OTHER : SPECSTR_RESOLUTION_START + GetCurRes()); break;
    00330       case WID_GO_SCREENSHOT_DROPDOWN: SetDParam(0, SPECSTR_SCREENSHOT_START + _cur_screenshot_format); break;
    00331       case WID_GO_BASE_GRF_DROPDOWN:   SetDParamStr(0, BaseGraphics::GetUsedSet()->name); break;
    00332       case WID_GO_BASE_GRF_STATUS:     SetDParam(0, BaseGraphics::GetUsedSet()->GetNumInvalid()); break;
    00333       case WID_GO_BASE_SFX_DROPDOWN:   SetDParamStr(0, BaseSounds::GetUsedSet()->name); break;
    00334       case WID_GO_BASE_MUSIC_DROPDOWN: SetDParamStr(0, BaseMusic::GetUsedSet()->name); break;
    00335       case WID_GO_BASE_MUSIC_STATUS:   SetDParam(0, BaseMusic::GetUsedSet()->GetNumInvalid()); break;
    00336     }
    00337   }
    00338
    00339   virtual void DrawWidget(const Rect &r, int widget) const
    00340   {
    00341     switch (widget) {
    00342       case WID_GO_BASE_GRF_DESCRIPTION:
    00343         SetDParamStr(0, BaseGraphics::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00344         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00345         break;
    00346
    00347       case WID_GO_BASE_SFX_DESCRIPTION:
    00348         SetDParamStr(0, BaseSounds::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00349         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00350         break;
    00351
    00352       case WID_GO_BASE_MUSIC_DESCRIPTION:
    00353         SetDParamStr(0, BaseMusic::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00354         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00355         break;
    00356     }
    00357   }
    00358
    00359   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00360   {
    00361     switch (widget) {
    00362       case WID_GO_BASE_GRF_DESCRIPTION:
    00363         /* Find the biggest description for the default size. */
    00364         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
    00365           SetDParamStr(0, BaseGraphics::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00366           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00367         }
    00368         break;
    00369
    00370       case WID_GO_BASE_GRF_STATUS:
    00371         /* Find the biggest description for the default size. */
    00372         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
    00373           uint invalid_files = BaseGraphics::GetSet(i)->GetNumInvalid();
    00374           if (invalid_files == 0) continue;
    00375
    00376           SetDParam(0, invalid_files);
    00377           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_GRF_STATUS));
    00378         }
    00379         break;
    00380
    00381       case WID_GO_BASE_SFX_DESCRIPTION:
    00382         /* Find the biggest description for the default size. */
    00383         for (int i = 0; i < BaseSounds::GetNumSets(); i++) {
    00384           SetDParamStr(0, BaseSounds::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00385           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00386         }
    00387         break;
    00388
    00389       case WID_GO_BASE_MUSIC_DESCRIPTION:
    00390         /* Find the biggest description for the default size. */
    00391         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
    00392           SetDParamStr(0, BaseMusic::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00393           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00394         }
    00395         break;
    00396
    00397       case WID_GO_BASE_MUSIC_STATUS:
    00398         /* Find the biggest description for the default size. */
    00399         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
    00400           uint invalid_files = BaseMusic::GetSet(i)->GetNumInvalid();
    00401           if (invalid_files == 0) continue;
    00402
    00403           SetDParam(0, invalid_files);
    00404           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_MUSIC_STATUS));
    00405         }
    00406         break;
    00407
    00408       default: {
    00409         int selected;
    00410         DropDownList *list = this->BuildDropDownList(widget, &selected);
    00411         if (list != NULL) {
    00412           /* Find the biggest item for the default size. */
    00413           for (DropDownList::iterator it = list->begin(); it != list->end(); it++) {
    00414             static const Dimension extra = {WD_DROPDOWNTEXT_LEFT + WD_DROPDOWNTEXT_RIGHT, WD_DROPDOWNTEXT_TOP + WD_DROPDOWNTEXT_BOTTOM};
    00415             Dimension string_dim;
    00416             int width = (*it)->Width();
    00417             string_dim.width = width + extra.width;
    00418             string_dim.height = (*it)->Height(width) + extra.height;
    00419             *size = maxdim(*size, string_dim);
    00420             delete *it;
    00421           }
    00422           delete list;
    00423         }
    00424       }
    00425     }
    00426   }
    00427
    00428   virtual void OnClick(Point pt, int widget, int click_count)
    00429   {
    00430     if (widget >= WID_GO_BASE_GRF_TEXTFILE && widget < WID_GO_BASE_GRF_TEXTFILE + TFT_END) {
    00431       if (BaseGraphics::GetUsedSet() == NULL) return;
    00432
    00433       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_GRF_TEXTFILE), BaseGraphics::GetUsedSet(), STR_CONTENT_TYPE_BASE_GRAPHICS);
    00434       return;
    00435     }
    00436     if (widget >= WID_GO_BASE_SFX_TEXTFILE && widget < WID_GO_BASE_SFX_TEXTFILE + TFT_END) {
    00437       if (BaseSounds::GetUsedSet() == NULL) return;
    00438
    00439       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_SFX_TEXTFILE), BaseSounds::GetUsedSet(), STR_CONTENT_TYPE_BASE_SOUNDS);
    00440       return;
    00441     }
    00442     if (widget >= WID_GO_BASE_MUSIC_TEXTFILE && widget < WID_GO_BASE_MUSIC_TEXTFILE + TFT_END) {
    00443       if (BaseMusic::GetUsedSet() == NULL) return;
    00444
    00445       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_MUSIC_TEXTFILE), BaseMusic::GetUsedSet(), STR_CONTENT_TYPE_BASE_MUSIC);
    00446       return;
    00447     }
    00448     switch (widget) {
    00449       case WID_GO_FULLSCREEN_BUTTON: // Click fullscreen on/off
    00450         /* try to toggle full-screen on/off */
    00451         if (!ToggleFullScreen(!_fullscreen)) {
    00452           ShowErrorMessage(STR_ERROR_FULLSCREEN_FAILED, INVALID_STRING_ID, WL_ERROR);
    00453         }
    00454         this->SetWidgetLoweredState(WID_GO_FULLSCREEN_BUTTON, _fullscreen);
    00455         this->SetDirty();
    00456         break;
    00457
    00458       default: {
    00459         int selected;
    00460         DropDownList *list = this->BuildDropDownList(widget, &selected);
    00461         if (list != NULL) {
    00462           ShowDropDownList(this, list, selected, widget);
    00463         }
    00464         break;
    00465       }
    00466     }
    00467   }
    00468
    00474   template <class T>
    00475   void SetMediaSet(int index)
    00476   {
    00477     if (_game_mode == GM_MENU) {
    00478       const char *name = T::GetSet(index)->name;
    00479
    00480       free(T::ini_set);
    00481       T::ini_set = strdup(name);
    00482
    00483       T::SetSet(name);
    00484       this->reload = true;
    00485       this->InvalidateData();
    00486     }
    00487   }
    00488
    00489   virtual void OnDropdownSelect(int widget, int index)
    00490   {
    00491     switch (widget) {
    00492       case WID_GO_CURRENCY_DROPDOWN: // Currency
    00493         if (index == CURRENCY_CUSTOM) ShowCustCurrency();
    00494         this->opt->locale.currency = index;
    00495         ReInitAllWindows();
    00496         break;
    00497
    00498       case WID_GO_DISTANCE_DROPDOWN: // Measuring units
    00499         this->opt->locale.units = index;
    00500         MarkWholeScreenDirty();
    00501         break;
    00502
    00503       case WID_GO_ROADSIDE_DROPDOWN: // Road side
    00504         if (this->opt->vehicle.road_side != index) { // only change if setting changed
    00505           uint i;
    00506           if (GetSettingFromName("vehicle.road_side", &i) == NULL) NOT_REACHED();
    00507           SetSettingValue(i, index);
    00508           MarkWholeScreenDirty();
    00509         }
    00510         break;
    00511
    00512       case WID_GO_TOWNNAME_DROPDOWN: // Town names
    00513         if (_game_mode == GM_MENU || Town::GetNumItems() == 0) {
    00514           this->opt->game_creation.town_name = index;
    00515           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_OPTIONS);
    00516         }
    00517         break;
    00518
    00519       case WID_GO_AUTOSAVE_DROPDOWN: // Autosave options
    00520         _settings_client.gui.autosave = index;
    00521         this->SetDirty();
    00522         break;
    00523
    00524       case WID_GO_LANG_DROPDOWN: // Change interface language
    00525         ReadLanguagePack(&_languages[index]);
    00526         DeleteWindowByClass(WC_QUERY_STRING);
    00527         CheckForMissingGlyphs();
    00528         UpdateAllVirtCoords();
    00529         ReInitAllWindows();
    00530         break;
    00531
    00532       case WID_GO_RESOLUTION_DROPDOWN: // Change resolution
    00533         if (index < _num_resolutions && ChangeResInGame(_resolutions[index].width, _resolutions[index].height)) {
    00534           this->SetDirty();
    00535         }
    00536         break;
    00537
    00538       case WID_GO_SCREENSHOT_DROPDOWN: // Change screenshot format
    00539         SetScreenshotFormat(index);
    00540         this->SetDirty();
    00541         break;
    00542
    00543       case WID_GO_BASE_GRF_DROPDOWN:
    00544         this->SetMediaSet<BaseGraphics>(index);
    00545         break;
    00546
    00547       case WID_GO_BASE_SFX_DROPDOWN:
    00548         this->SetMediaSet<BaseSounds>(index);
    00549         break;
    00550
    00551       case WID_GO_BASE_MUSIC_DROPDOWN:
    00552         this->SetMediaSet<BaseMusic>(index);
    00553         break;
    00554     }
    00555   }
    00556
    00562   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00563   {
    00564     if (!gui_scope) return;
    00565     this->SetWidgetLoweredState(WID_GO_FULLSCREEN_BUTTON, _fullscreen);
    00566
    00567     bool missing_files = BaseGraphics::GetUsedSet()->GetNumMissing() == 0;
    00568     this->GetWidget<NWidgetCore>(WID_GO_BASE_GRF_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_GRF_STATUS, STR_NULL);
    00569
    00570     for (TextfileType tft = TFT_BEGIN; tft < TFT_END; tft++) {
    00571       this->SetWidgetDisabledState(WID_GO_BASE_GRF_TEXTFILE + tft, BaseGraphics::GetUsedSet() == NULL || BaseGraphics::GetUsedSet()->GetTextfile(tft) == NULL);
    00572       this->SetWidgetDisabledState(WID_GO_BASE_SFX_TEXTFILE + tft, BaseSounds::GetUsedSet() == NULL || BaseSounds::GetUsedSet()->GetTextfile(tft) == NULL);
    00573       this->SetWidgetDisabledState(WID_GO_BASE_MUSIC_TEXTFILE + tft, BaseMusic::GetUsedSet() == NULL || BaseMusic::GetUsedSet()->GetTextfile(tft) == NULL);
    00574     }
    00575
    00576     missing_files = BaseMusic::GetUsedSet()->GetNumInvalid() == 0;
    00577     this->GetWidget<NWidgetCore>(WID_GO_BASE_MUSIC_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_MUSIC_STATUS, STR_NULL);
    00578   }
    00579 };
    00580
    00581 static const NWidgetPart _nested_game_options_widgets[] = {
    00582   NWidget(NWID_HORIZONTAL),
    00583     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00584     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00585   EndContainer(),
    00586   NWidget(WWT_PANEL, COLOUR_GREY, WID_GO_BACKGROUND), SetPIP(6, 6, 10),
    00587     NWidget(NWID_HORIZONTAL), SetPIP(10, 10, 10),
    00588       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
    00589         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CURRENCY_UNITS_FRAME, STR_NULL),
    00590           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),
    00591         EndContainer(),
    00592         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_ROAD_VEHICLES_FRAME, STR_NULL),
    00593           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),
    00594         EndContainer(),
    00595         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_AUTOSAVE_FRAME, STR_NULL),
    00596           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),
    00597         EndContainer(),
    00598         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_RESOLUTION, STR_NULL),
    00599           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),
    00600           NWidget(NWID_HORIZONTAL),
    00601             NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_FULLSCREEN, STR_NULL),
    00602             NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_FULLSCREEN_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_FULLSCREEN_TOOLTIP),
    00603           EndContainer(),
    00604         EndContainer(),
    00605       EndContainer(),
    00606
    00607       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
    00608         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_MEASURING_UNITS_FRAME, STR_NULL),
    00609           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),
    00610         EndContainer(),
    00611         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_TOWN_NAMES_FRAME, STR_NULL),
    00612           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),
    00613         EndContainer(),
    00614         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_LANGUAGE, STR_NULL),
    00615           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),
    00616         EndContainer(),
    00617         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_SCREENSHOT_FORMAT, STR_NULL),
    00618           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),
    00619         EndContainer(),
    00620         NWidget(NWID_SPACER), SetMinimalSize(0, 0), SetFill(0, 1),
    00621       EndContainer(),
    00622     EndContainer(),
    00623
    00624     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_GRF, STR_NULL), SetPadding(0, 10, 0, 10),
    00625       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00626         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_GRF_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_GRF_TOOLTIP),
    00627         NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_GRF_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
    00628       EndContainer(),
    00629       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),
    00630       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00631         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),
    00632         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),
    00633         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),
    00634       EndContainer(),
    00635     EndContainer(),
    00636
    00637     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_SFX, STR_NULL), SetPadding(0, 10, 0, 10),
    00638       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00639         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_SFX_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_SFX_TOOLTIP),
    00640         NWidget(NWID_SPACER), SetFill(1, 0),
    00641       EndContainer(),
    00642       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),
    00643       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00644         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),
    00645         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),
    00646         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),
    00647       EndContainer(),
    00648     EndContainer(),
    00649
    00650     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_MUSIC, STR_NULL), SetPadding(0, 10, 0, 10),
    00651       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00652         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_MUSIC_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_MUSIC_TOOLTIP),
    00653         NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_MUSIC_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
    00654       EndContainer(),
    00655       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),
    00656       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00657         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),
    00658         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),
    00659         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),
    00660       EndContainer(),
    00661     EndContainer(),
    00662   EndContainer(),
    00663 };
    00664
    00665 static const WindowDesc _game_options_desc(
    00666   WDP_CENTER, 0, 0,
    00667   WC_GAME_OPTIONS, WC_NONE,
    00668   0,
    00669   _nested_game_options_widgets, lengthof(_nested_game_options_widgets)
    00670 );
    00671
    00673 void ShowGameOptions()
    00674 {
    00675   DeleteWindowByClass(WC_GAME_OPTIONS);
    00676   new GameOptionsWindow(&_game_options_desc);
    00677 }
    00678
    00679 static int SETTING_HEIGHT = 11;
    00680 static const int LEVEL_WIDTH = 15;
    00681
    00686 enum SettingEntryFlags {
    00687   SEF_LEFT_DEPRESSED  = 0x01,
    00688   SEF_RIGHT_DEPRESSED = 0x02,
    00689   SEF_BUTTONS_MASK = (SEF_LEFT_DEPRESSED | SEF_RIGHT_DEPRESSED),
    00690
    00691   SEF_LAST_FIELD = 0x04,
    00692   SEF_FILTERED   = 0x08,
    00693
    00694   /* Entry kind */
    00695   SEF_SETTING_KIND = 0x10,
    00696   SEF_SUBTREE_KIND = 0x20,
    00697   SEF_KIND_MASK    = (SEF_SETTING_KIND | SEF_SUBTREE_KIND),
    00698 };
    00699
    00700 struct SettingsPage; // Forward declaration
    00701
    00703 struct SettingEntrySubtree {
    00704   SettingsPage *page;
    00705   bool folded;
    00706   StringID title;
    00707 };
    00708
    00710 struct SettingEntrySetting {
    00711   const char *name;
    00712   const SettingDesc *setting;
    00713   uint index;
    00714 };
    00715
    00717 enum RestrictionMode {
    00718   RM_BASIC,
    00719   RM_ADVANCED,
    00720   RM_ALL,
    00721   RM_CHANGED_AGAINST_DEFAULT,
    00722   RM_CHANGED_AGAINST_NEW,
    00723   RM_END,
    00724 };
    00725
    00727 struct SettingFilter {
    00728   StringFilter string;
    00729   RestrictionMode mode;
    00730   SettingType type;
    00731 };
    00732
    00734 struct SettingEntry {
    00735   byte flags;
    00736   byte level;
    00737   union {
    00738     SettingEntrySetting entry;
    00739     SettingEntrySubtree sub;
    00740   } d;
    00741
    00742   SettingEntry(const char *nm);
    00743   SettingEntry(SettingsPage *sub, StringID title);
    00744
    00745   void Init(byte level);
    00746   void FoldAll();
    00747   void UnFoldAll();
    00748   void SetButtons(byte new_val);
    00749
    00754   void SetLastField(bool last_field) { if (last_field) SETBITS(this->flags, SEF_LAST_FIELD); else CLRBITS(this->flags, SEF_LAST_FIELD); }
    00755
    00756   uint Length() const;
    00757   void GetFoldingState(bool &all_folded, bool &all_unfolded) const;
    00758   bool IsVisible(const SettingEntry *item) const;
    00759   SettingEntry *FindEntry(uint row, uint *cur_row);
    00760   uint GetMaxHelpHeight(int maxw);
    00761
    00762   bool IsFiltered() const;
    00763   bool UpdateFilterState(SettingFilter &filter, bool force_visible);
    00764
    00765   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);
    00766
    00771   inline StringID GetHelpText()
    00772   {
    00773     assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    00774     return this->d.entry.setting->desc.str_help;
    00775   }
    00776
    00777   void SetValueDParams(uint first_param, int32 value);
    00778
    00779 private:
    00780   void DrawSetting(GameSettings *settings_ptr, int x, int y, int max_x, int state, bool highlight);
    00781   bool IsVisibleByRestrictionMode(RestrictionMode mode) const;
    00782 };
    00783
    00785 struct SettingsPage {
    00786   SettingEntry *entries;
    00787   byte num;
    00788
    00789   void Init(byte level = 0);
    00790   void FoldAll();
    00791   void UnFoldAll();
    00792
    00793   uint Length() const;
    00794   void GetFoldingState(bool &all_folded, bool &all_unfolded) const;
    00795   bool IsVisible(const SettingEntry *item) const;
    00796   SettingEntry *FindEntry(uint row, uint *cur_row) const;
    00797   uint GetMaxHelpHeight(int maxw);
    00798
    00799   bool UpdateFilterState(SettingFilter &filter, bool force_visible);
    00800
    00801   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;
    00802 };
    00803
    00804
    00805 /* == SettingEntry methods == */
    00806
    00811 SettingEntry::SettingEntry(const char *nm)
    00812 {
    00813   this->flags = SEF_SETTING_KIND;
    00814   this->level = 0;
    00815   this->d.entry.name = nm;
    00816   this->d.entry.setting = NULL;
    00817   this->d.entry.index = 0;
    00818 }
    00819
    00825 SettingEntry::SettingEntry(SettingsPage *sub, StringID title)
    00826 {
    00827   this->flags = SEF_SUBTREE_KIND;
    00828   this->level = 0;
    00829   this->d.sub.page = sub;
    00830   this->d.sub.folded = true;
    00831   this->d.sub.title = title;
    00832 }
    00833
    00838 void SettingEntry::Init(byte level)
    00839 {
    00840   this->level = level;
    00841
    00842   switch (this->flags & SEF_KIND_MASK) {
    00843     case SEF_SETTING_KIND:
    00844       this->d.entry.setting = GetSettingFromName(this->d.entry.name, &this->d.entry.index);
    00845       assert(this->d.entry.setting != NULL);
    00846       break;
    00847     case SEF_SUBTREE_KIND:
    00848       this->d.sub.page->Init(level + 1);
    00849       break;
    00850     default: NOT_REACHED();
    00851   }
    00852 }
    00853
    00855 void SettingEntry::FoldAll()
    00856 {
    00857   if (this->IsFiltered()) return;
    00858   switch (this->flags & SEF_KIND_MASK) {
    00859     case SEF_SETTING_KIND:
    00860       break;
    00861
    00862     case SEF_SUBTREE_KIND:
    00863       this->d.sub.folded = true;
    00864       this->d.sub.page->FoldAll();
    00865       break;
    00866
    00867     default: NOT_REACHED();
    00868   }
    00869 }
    00870
    00872 void SettingEntry::UnFoldAll()
    00873 {
    00874   if (this->IsFiltered()) return;
    00875   switch (this->flags & SEF_KIND_MASK) {
    00876     case SEF_SETTING_KIND:
    00877       break;
    00878
    00879     case SEF_SUBTREE_KIND:
    00880       this->d.sub.folded = false;
    00881       this->d.sub.page->UnFoldAll();
    00882       break;
    00883
    00884     default: NOT_REACHED();
    00885   }
    00886 }
    00887
    00893 void SettingEntry::GetFoldingState(bool &all_folded, bool &all_unfolded) const
    00894 {
    00895   if (this->IsFiltered()) return;
    00896   switch (this->flags & SEF_KIND_MASK) {
    00897     case SEF_SETTING_KIND:
    00898       break;
    00899
    00900     case SEF_SUBTREE_KIND:
    00901       if (this->d.sub.folded) {
    00902         all_unfolded = false;
    00903       } else {
    00904         all_folded = false;
    00905       }
    00906       this->d.sub.page->GetFoldingState(all_folded, all_unfolded);
    00907       break;
    00908
    00909     default: NOT_REACHED();
    00910   }
    00911 }
    00912
    00919 bool SettingEntry::IsVisible(const SettingEntry *item) const
    00920 {
    00921   if (this->IsFiltered()) return false;
    00922   if (this == item) return true;
    00923
    00924   switch (this->flags & SEF_KIND_MASK) {
    00925     case SEF_SETTING_KIND:
    00926       return false;
    00927
    00928     case SEF_SUBTREE_KIND:
    00929       return !this->d.sub.folded && this->d.sub.page->IsVisible(item);
    00930
    00931     default: NOT_REACHED();
    00932   }
    00933 }
    00934
    00940 void SettingEntry::SetButtons(byte new_val)
    00941 {
    00942   assert((new_val & ~SEF_BUTTONS_MASK) == 0); // Should not touch any flags outside the buttons
    00943   this->flags = (this->flags & ~SEF_BUTTONS_MASK) | new_val;
    00944 }
    00945
    00947 uint SettingEntry::Length() const
    00948 {
    00949   if (this->IsFiltered()) return 0;
    00950   switch (this->flags & SEF_KIND_MASK) {
    00951     case SEF_SETTING_KIND:
    00952       return 1;
    00953     case SEF_SUBTREE_KIND:
    00954       if (this->d.sub.folded) return 1; // Only displaying the title
    00955
    00956       return 1 + this->d.sub.page->Length(); // 1 extra row for the title
    00957     default: NOT_REACHED();
    00958   }
    00959 }
    00960
    00967 SettingEntry *SettingEntry::FindEntry(uint row_num, uint *cur_row)
    00968 {
    00969   if (this->IsFiltered()) return NULL;
    00970   if (row_num == *cur_row) return this;
    00971
    00972   switch (this->flags & SEF_KIND_MASK) {
    00973     case SEF_SETTING_KIND:
    00974       (*cur_row)++;
    00975       break;
    00976     case SEF_SUBTREE_KIND:
    00977       (*cur_row)++; // add one for row containing the title
    00978       if (this->d.sub.folded) {
    00979         break;
    00980       }
    00981
    00982       /* sub-page is visible => search it too */
    00983       return this->d.sub.page->FindEntry(row_num, cur_row);
    00984     default: NOT_REACHED();
    00985   }
    00986   return NULL;
    00987 }
    00988
    00994 uint SettingEntry::GetMaxHelpHeight(int maxw)
    00995 {
    00996   switch (this->flags & SEF_KIND_MASK) {
    00997     case SEF_SETTING_KIND: return GetStringHeight(this->GetHelpText(), maxw);
    00998     case SEF_SUBTREE_KIND: return this->d.sub.page->GetMaxHelpHeight(maxw);
    00999     default:               NOT_REACHED();
    01000   }
    01001 }
    01002
    01007 bool SettingEntry::IsFiltered() const
    01008 {
    01009   return (this->flags & SEF_FILTERED) != 0;
    01010 }
    01011
    01017 bool SettingEntry::IsVisibleByRestrictionMode(RestrictionMode mode) const
    01018 {
    01019   /* There shall not be any restriction, i.e. all settings shall be visible. */
    01020   if (mode == RM_ALL) return true;
    01021
    01022   GameSettings *settings_ptr = &GetGameSettings();
    01023   assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01024   const SettingDesc *sd = this->d.entry.setting;
    01025
    01026   if (mode == RM_BASIC) return (this->d.entry.setting->desc.cat & SC_BASIC_LIST) != 0;
    01027   if (mode == RM_ADVANCED) return (this->d.entry.setting->desc.cat & SC_ADVANCED_LIST) != 0;
    01028
    01029   /* Read the current value. */
    01030   const void *var = ResolveVariableAddress(settings_ptr, sd);
    01031   int64 current_value = ReadValue(var, sd->save.conv);
    01032
    01033   int64 filter_value;
    01034
    01035   if (mode == RM_CHANGED_AGAINST_DEFAULT) {
    01036     /* This entry shall only be visible, if the value deviates from its default value. */
    01037
    01038     /* Read the default value. */
    01039     filter_value = ReadValue(&sd->desc.def, sd->save.conv);
    01040   } else {
    01041     assert(mode == RM_CHANGED_AGAINST_NEW);
    01042     /* This entry shall only be visible, if the value deviates from
    01043      * its value is used when starting a new game. */
    01044
    01045     /* Make sure we're not comparing the new game settings against itself. */
    01046     assert(settings_ptr != &_settings_newgame);
    01047
    01048     /* Read the new game's value. */
    01049     var = ResolveVariableAddress(&_settings_newgame, sd);
    01050     filter_value = ReadValue(var, sd->save.conv);
    01051   }
    01052
    01053   return current_value != filter_value;
    01054 }
    01055
    01062 bool SettingEntry::UpdateFilterState(SettingFilter &filter, bool force_visible)
    01063 {
    01064   CLRBITS(this->flags, SEF_FILTERED);
    01065
    01066   bool visible = true;
    01067   switch (this->flags & SEF_KIND_MASK) {
    01068     case SEF_SETTING_KIND: {
    01069       const SettingDesc *sd = this->d.entry.setting;
    01070       if (!force_visible && !filter.string.IsEmpty()) {
    01071         /* Process the search text filter for this item. */
    01072         filter.string.ResetState();
    01073
    01074         const SettingDescBase *sdb = &sd->desc;
    01075
    01076         SetDParam(0, STR_EMPTY);
    01077         filter.string.AddLine(sdb->str);
    01078         filter.string.AddLine(this->GetHelpText());
    01079
    01080         visible = filter.string.GetState();
    01081       }
    01082       if (filter.type != ST_ALL) visible = visible && sd->GetType() == filter.type;
    01083       visible = visible && this->IsVisibleByRestrictionMode(filter.mode);
    01084       break;
    01085     }
    01086     case SEF_SUBTREE_KIND: {
    01087       if (!force_visible && !filter.string.IsEmpty()) {
    01088         filter.string.ResetState();
    01089         filter.string.AddLine(this->d.sub.title);
    01090         force_visible = filter.string.GetState();
    01091       }
    01092       visible = this->d.sub.page->UpdateFilterState(filter, force_visible);
    01093       break;
    01094     }
    01095     default: NOT_REACHED();
    01096   }
    01097
    01098   if (!visible) SETBITS(this->flags, SEF_FILTERED);
    01099   return visible;
    01100 }
    01101
    01102
    01103
    01131 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)
    01132 {
    01133   if (this->IsFiltered()) return cur_row;
    01134   if (cur_row >= max_row) return cur_row;
    01135
    01136   bool rtl = _current_text_dir == TD_RTL;
    01137   int offset = rtl ? -4 : 4;
    01138   int level_width = rtl ? -LEVEL_WIDTH : LEVEL_WIDTH;
    01139
    01140   int x = rtl ? right : left;
    01141   int y = base_y;
    01142   if (cur_row >= first_row) {
    01143     int colour = _colour_gradient[COLOUR_ORANGE][4];
    01144     y = base_y + (cur_row - first_row) * SETTING_HEIGHT; // Compute correct y start position
    01145
    01146     /* Draw vertical for parent nesting levels */
    01147     for (uint lvl = 0; lvl < this->level; lvl++) {
    01148       if (!HasBit(parent_last, lvl)) GfxDrawLine(x + offset, y, x + offset, y + SETTING_HEIGHT - 1, colour);
    01149       x += level_width;
    01150     }
    01151     /* draw own |- prefix */
    01152     int halfway_y = y + SETTING_HEIGHT / 2;
    01153     int bottom_y = (flags & SEF_LAST_FIELD) ? halfway_y : y + SETTING_HEIGHT - 1;
    01154     GfxDrawLine(x + offset, y, x + offset, bottom_y, colour);
    01155     /* Small horizontal line from the last vertical line */
    01156     GfxDrawLine(x + offset, halfway_y, x + level_width - offset, halfway_y, colour);
    01157     x += level_width;
    01158   }
    01159
    01160   switch (this->flags & SEF_KIND_MASK) {
    01161     case SEF_SETTING_KIND:
    01162       if (cur_row >= first_row) {
    01163         this->DrawSetting(settings_ptr, rtl ? left : x, rtl ? x : right, y, this->flags & SEF_BUTTONS_MASK,
    01164             this == selected);
    01165       }
    01166       cur_row++;
    01167       break;
    01168     case SEF_SUBTREE_KIND:
    01169       if (cur_row >= first_row) {
    01170         DrawSprite((this->d.sub.folded ? SPR_CIRCLE_FOLDED : SPR_CIRCLE_UNFOLDED), PAL_NONE, rtl ? x - 8 : x, y + (SETTING_HEIGHT - 11) / 2);
    01171         DrawString(rtl ? left : x + 12, rtl ? x - 12 : right, y, this->d.sub.title);
    01172       }
    01173       cur_row++;
    01174       if (!this->d.sub.folded) {
    01175         if (this->flags & SEF_LAST_FIELD) {
    01176           assert(this->level < sizeof(parent_last));
    01177           SetBit(parent_last, this->level); // Add own last-field state
    01178         }
    01179
    01180         cur_row = this->d.sub.page->Draw(settings_ptr, left, right, base_y, first_row, max_row, selected, cur_row, parent_last);
    01181       }
    01182       break;
    01183     default: NOT_REACHED();
    01184   }
    01185   return cur_row;
    01186 }
    01187
    01188 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd)
    01189 {
    01190   if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    01191     if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
    01192       return GetVariableAddress(&Company::Get(_local_company)->settings, &sd->save);
    01193     } else {
    01194       return GetVariableAddress(&_settings_client.company, &sd->save);
    01195     }
    01196   } else {
    01197     return GetVariableAddress(settings_ptr, &sd->save);
    01198   }
    01199 }
    01200
    01206 void SettingEntry::SetValueDParams(uint first_param, int32 value)
    01207 {
    01208   assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01209   const SettingDescBase *sdb = &this->d.entry.setting->desc;
    01210   if (sdb->cmd == SDT_BOOLX) {
    01211     SetDParam(first_param++, value != 0 ? STR_CONFIG_SETTING_ON : STR_CONFIG_SETTING_OFF);
    01212   } else {
    01213     if ((sdb->flags & SGF_MULTISTRING) != 0) {
    01214       SetDParam(first_param++, sdb->str_val - sdb->min + value);
    01215     } else if ((sdb->flags & SGF_DISPLAY_ABS) != 0) {
    01216       SetDParam(first_param++, sdb->str_val + ((value >= 0) ? 1 : 0));
    01217       value = abs(value);
    01218     } else {
    01219       SetDParam(first_param++, sdb->str_val + ((value == 0 && (sdb->flags & SGF_0ISDISABLED) != 0) ? 1 : 0));
    01220     }
    01221     SetDParam(first_param++, value);
    01222   }
    01223 }
    01224
    01234 void SettingEntry::DrawSetting(GameSettings *settings_ptr, int left, int right, int y, int state, bool highlight)
    01235 {
    01236   const SettingDesc *sd = this->d.entry.setting;
    01237   const SettingDescBase *sdb = &sd->desc;
    01238   const void *var = ResolveVariableAddress(settings_ptr, sd);
    01239
    01240   bool rtl = _current_text_dir == TD_RTL;
    01241   uint buttons_left = rtl ? right + 1 - SETTING_BUTTON_WIDTH : left;
    01242   uint text_left  = left + (rtl ? 0 : SETTING_BUTTON_WIDTH + 5);
    01243   uint text_right = right - (rtl ? SETTING_BUTTON_WIDTH + 5 : 0);
    01244   uint button_y = y + (SETTING_HEIGHT - SETTING_BUTTON_HEIGHT) / 2;
    01245
    01246   /* We do not allow changes of some items when we are a client in a networkgame */
    01247   bool editable = sd->IsEditable();
    01248
    01249   SetDParam(0, highlight ? STR_ORANGE_STRING1_WHITE : STR_ORANGE_STRING1_LTBLUE);
    01250   int32 value = (int32)ReadValue(var, sd->save.conv);
    01251   if (sdb->cmd == SDT_BOOLX) {
    01252     /* Draw checkbox for boolean-value either on/off */
    01253     DrawBoolButton(buttons_left, button_y, value != 0, editable);
    01254   } else if ((sdb->flags & SGF_MULTISTRING) != 0) {
    01255     /* Draw [v] button for settings of an enum-type */
    01256     DrawDropDownButton(buttons_left, button_y, COLOUR_YELLOW, state != 0, editable);
    01257   } else {
    01258     /* Draw [<][>] boxes for settings of an integer-type */
    01259     DrawArrowButtons(buttons_left, button_y, COLOUR_YELLOW, state,
    01260         editable && value != (sdb->flags & SGF_0ISDISABLED ? 0 : sdb->min), editable && (uint32)value != sdb->max);
    01261   }
    01262   this->SetValueDParams(1, value);
    01263   DrawString(text_left, text_right, y, sdb->str, highlight ? TC_WHITE : TC_LIGHT_BLUE);
    01264 }
    01265
    01266
    01267 /* == SettingsPage methods == */
    01268
    01273 void SettingsPage::Init(byte level)
    01274 {
    01275   for (uint field = 0; field < this->num; field++) {
    01276     this->entries[field].Init(level);
    01277   }
    01278 }
    01279
    01281 void SettingsPage::FoldAll()
    01282 {
    01283   for (uint field = 0; field < this->num; field++) {
    01284     this->entries[field].FoldAll();
    01285   }
    01286 }
    01287
    01289 void SettingsPage::UnFoldAll()
    01290 {
    01291   for (uint field = 0; field < this->num; field++) {
    01292     this->entries[field].UnFoldAll();
    01293   }
    01294 }
    01295
    01301 void SettingsPage::GetFoldingState(bool &all_folded, bool &all_unfolded) const
    01302 {
    01303   for (uint field = 0; field < this->num; field++) {
    01304     this->entries[field].GetFoldingState(all_folded, all_unfolded);
    01305   }
    01306 }
    01307
    01314 bool SettingsPage::UpdateFilterState(SettingFilter &filter, bool force_visible)
    01315 {
    01316   bool visible = false;
    01317   bool first_visible = true;
    01318   for (int field = this->num - 1; field >= 0; field--) {
    01319     visible |= this->entries[field].UpdateFilterState(filter, force_visible);
    01320     this->entries[field].SetLastField(first_visible);
    01321     if (visible && first_visible) first_visible = false;
    01322   }
    01323   return visible;
    01324 }
    01325
    01326
    01333 bool SettingsPage::IsVisible(const SettingEntry *item) const
    01334 {
    01335   for (uint field = 0; field < this->num; field++) {
    01336     if (this->entries[field].IsVisible(item)) return true;
    01337   }
    01338   return false;
    01339 }
    01340
    01342 uint SettingsPage::Length() const
    01343 {
    01344   uint length = 0;
    01345   for (uint field = 0; field < this->num; field++) {
    01346     length += this->entries[field].Length();
    01347   }
    01348   return length;
    01349 }
    01350
    01357 SettingEntry *SettingsPage::FindEntry(uint row_num, uint *cur_row) const
    01358 {
    01359   SettingEntry *pe = NULL;
    01360
    01361   for (uint field = 0; field < this->num; field++) {
    01362     pe = this->entries[field].FindEntry(row_num, cur_row);
    01363     if (pe != NULL) {
    01364       break;
    01365     }
    01366   }
    01367   return pe;
    01368 }
    01369
    01375 uint SettingsPage::GetMaxHelpHeight(int maxw)
    01376 {
    01377   uint biggest = 0;
    01378   for (uint field = 0; field < this->num; field++) {
    01379     biggest = max(biggest, this->entries[field].GetMaxHelpHeight(maxw));
    01380   }
    01381   return biggest;
    01382 }
    01383
    01402 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
    01403 {
    01404   if (cur_row >= max_row) return cur_row;
    01405
    01406   for (uint i = 0; i < this->num; i++) {
    01407     cur_row = this->entries[i].Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last, selected);
    01408     if (cur_row >= max_row) {
    01409       break;
    01410     }
    01411   }
    01412   return cur_row;
    01413 }
    01414
    01415
    01416 static SettingEntry _settings_ui_display[] = {
    01417   SettingEntry("gui.date_format_in_default_names"),
    01418   SettingEntry("gui.population_in_label"),
    01419   SettingEntry("gui.measure_tooltip"),
    01420   SettingEntry("gui.loading_indicators"),
    01421   SettingEntry("gui.liveries"),
    01422   SettingEntry("gui.show_track_reservation"),
    01423   SettingEntry("gui.expenses_layout"),
    01424   SettingEntry("gui.smallmap_land_colour"),
    01425   SettingEntry("gui.zoom_min"),
    01426   SettingEntry("gui.zoom_max"),
    01427   SettingEntry("gui.graph_line_thickness"),
    01428 };
    01430 static SettingsPage _settings_ui_display_page = {_settings_ui_display, lengthof(_settings_ui_display)};
    01431
    01432 static SettingEntry _settings_ui_interaction[] = {
    01433   SettingEntry("gui.window_snap_radius"),
    01434   SettingEntry("gui.window_soft_limit"),
    01435   SettingEntry("gui.link_terraform_toolbar"),
    01436   SettingEntry("gui.prefer_teamchat"),
    01437   SettingEntry("gui.auto_scrolling"),
    01438   SettingEntry("gui.reverse_scroll"),
    01439   SettingEntry("gui.smooth_scroll"),
    01440   SettingEntry("gui.left_mouse_btn_scrolling"),
    01441   /* While the horizontal scrollwheel scrolling is written as general code, only
    01442    *  the cocoa (OSX) driver generates input for it.
    01443    *  Since it's also able to completely disable the scrollwheel will we display it on all platforms anyway */
    01444   SettingEntry("gui.scrollwheel_scrolling"),
    01445   SettingEntry("gui.scrollwheel_multiplier"),
    01446   SettingEntry("gui.osk_activation"),
    01447 #ifdef __APPLE__
    01448   /* We might need to emulate a right mouse button on mac */
    01449   SettingEntry("gui.right_mouse_btn_emulation"),
    01450 #endif
    01451 };
    01453 static SettingsPage _settings_ui_interaction_page = {_settings_ui_interaction, lengthof(_settings_ui_interaction)};
    01454
    01455 static SettingEntry _settings_ui_sound[] = {
    01456   SettingEntry("sound.click_beep"),
    01457   SettingEntry("sound.confirm"),
    01458   SettingEntry("sound.news_ticker"),
    01459   SettingEntry("sound.news_full"),
    01460   SettingEntry("sound.new_year"),
    01461   SettingEntry("sound.disaster"),
    01462   SettingEntry("sound.vehicle"),
    01463   SettingEntry("sound.ambient"),
    01464 };
    01466 static SettingsPage _settings_ui_sound_page = {_settings_ui_sound, lengthof(_settings_ui_sound)};
    01467
    01468 static SettingEntry _settings_ui_news[] = {
    01469   SettingEntry("news_display.arrival_player"),
    01470   SettingEntry("news_display.arrival_other"),
    01471   SettingEntry("news_display.accident"),
    01472   SettingEntry("news_display.company_info"),
    01473   SettingEntry("news_display.open"),
    01474   SettingEntry("news_display.close"),
    01475   SettingEntry("news_display.economy"),
    01476   SettingEntry("news_display.production_player"),
    01477   SettingEntry("news_display.production_other"),
    01478   SettingEntry("news_display.production_nobody"),
    01479   SettingEntry("news_display.advice"),
    01480   SettingEntry("news_display.new_vehicles"),
    01481   SettingEntry("news_display.acceptance"),
    01482   SettingEntry("news_display.subsidies"),
    01483   SettingEntry("news_display.general"),
    01484   SettingEntry("gui.coloured_news_year"),
    01485 };
    01487 static SettingsPage _settings_ui_news_page = {_settings_ui_news, lengthof(_settings_ui_news)};
    01488
    01489 static SettingEntry _settings_ui[] = {
    01490   SettingEntry(&_settings_ui_display_page, STR_CONFIG_SETTING_DISPLAY_OPTIONS),
    01491   SettingEntry(&_settings_ui_interaction_page, STR_CONFIG_SETTING_INTERACTION),
    01492   SettingEntry(&_settings_ui_sound_page, STR_CONFIG_SETTING_SOUND),
    01493   SettingEntry(&_settings_ui_news_page, STR_CONFIG_SETTING_NEWS),
    01494   SettingEntry("gui.show_finances"),
    01495   SettingEntry("gui.errmsg_duration"),
    01496   SettingEntry("gui.hover_delay"),
    01497   SettingEntry("gui.toolbar_pos"),
    01498   SettingEntry("gui.statusbar_pos"),
    01499   SettingEntry("gui.newgrf_default_palette"),
    01500   SettingEntry("gui.pause_on_newgame"),
    01501   SettingEntry("gui.advanced_vehicle_list"),
    01502   SettingEntry("gui.timetable_in_ticks"),
    01503   SettingEntry("gui.timetable_arrival_departure"),
    01504   SettingEntry("gui.quick_goto"),
    01505   SettingEntry("gui.default_rail_type"),
    01506   SettingEntry("gui.disable_unsuitable_building"),
    01507   SettingEntry("gui.persistent_buildingtools"),
    01508 };
    01510 static SettingsPage _settings_ui_page = {_settings_ui, lengthof(_settings_ui)};
    01511
    01512 static SettingEntry _settings_construction_signals[] = {
    01513   SettingEntry("construction.train_signal_side"),
    01514   SettingEntry("gui.enable_signal_gui"),
    01515   SettingEntry("gui.drag_signals_fixed_distance"),
    01516   SettingEntry("gui.semaphore_build_before"),
    01517   SettingEntry("gui.default_signal_type"),
    01518   SettingEntry("gui.cycle_signal_types"),
    01519 };
    01521 static SettingsPage _settings_construction_signals_page = {_settings_construction_signals, lengthof(_settings_construction_signals)};
    01522
    01523 static SettingEntry _settings_construction[] = {
    01524   SettingEntry(&_settings_construction_signals_page, STR_CONFIG_SETTING_CONSTRUCTION_SIGNALS),
    01525   SettingEntry("construction.build_on_slopes"),
    01526   SettingEntry("construction.autoslope"),
    01527   SettingEntry("construction.extra_dynamite"),
    01528   SettingEntry("construction.max_bridge_length"),
    01529   SettingEntry("construction.max_tunnel_length"),
    01530   SettingEntry("station.never_expire_airports"),
    01531   SettingEntry("construction.freeform_edges"),
    01532   SettingEntry("construction.extra_tree_placement"),
    01533   SettingEntry("construction.command_pause_level"),
    01534 };
    01536 static SettingsPage _settings_construction_page = {_settings_construction, lengthof(_settings_construction)};
    01537
    01538 static SettingEntry _settings_stations_cargo[] = {
    01539   SettingEntry("order.improved_load"),
    01540   SettingEntry("order.gradual_loading"),
    01541   SettingEntry("order.selectgoods"),
    01542 };
    01544 static SettingsPage _settings_stations_cargo_page = {_settings_stations_cargo, lengthof(_settings_stations_cargo)};
    01545
    01546 static SettingEntry _settings_stations[] = {
    01547   SettingEntry(&_settings_stations_cargo_page, STR_CONFIG_SETTING_STATIONS_CARGOHANDLING),
    01548   SettingEntry("station.adjacent_stations"),
    01549   SettingEntry("station.distant_join_stations"),
    01550   SettingEntry("station.station_spread"),
    01551   SettingEntry("economy.station_noise_level"),
    01552   SettingEntry("station.modified_catchment"),
    01553   SettingEntry("construction.road_stop_on_town_road"),
    01554   SettingEntry("construction.road_stop_on_competitor_road"),
    01555 };
    01557 static SettingsPage _settings_stations_page = {_settings_stations, lengthof(_settings_stations)};
    01558
    01559 static SettingEntry _settings_economy_towns[] = {
    01560   SettingEntry("difficulty.town_council_tolerance"),
    01561   SettingEntry("economy.bribe"),
    01562   SettingEntry("economy.exclusive_rights"),
    01563   SettingEntry("economy.fund_roads"),
    01564   SettingEntry("economy.fund_buildings"),
    01565   SettingEntry("economy.town_layout"),
    01566   SettingEntry("economy.allow_town_roads"),
    01567   SettingEntry("economy.allow_town_level_crossings"),
    01568   SettingEntry("economy.found_town"),
    01569   SettingEntry("economy.mod_road_rebuild"),
    01570   SettingEntry("economy.town_growth_rate"),
    01571   SettingEntry("economy.larger_towns"),
    01572   SettingEntry("economy.initial_city_size"),
    01573 };
    01575 static SettingsPage _settings_economy_towns_page = {_settings_economy_towns, lengthof(_settings_economy_towns)};
    01576
    01577 static SettingEntry _settings_economy_industries[] = {
    01578   SettingEntry("construction.raw_industry_construction"),
    01579   SettingEntry("construction.industry_platform"),
    01580   SettingEntry("economy.multiple_industry_per_town"),
    01581   SettingEntry("game_creation.oil_refinery_limit"),
    01582 };
    01584 static SettingsPage _settings_economy_industries_page = {_settings_economy_industries, lengthof(_settings_economy_industries)};
    01585
    01586
    01587 static SettingEntry _settings_economy[] = {
    01588   SettingEntry(&_settings_economy_towns_page, STR_CONFIG_SETTING_ECONOMY_TOWNS),
    01589   SettingEntry(&_settings_economy_industries_page, STR_CONFIG_SETTING_ECONOMY_INDUSTRIES),
    01590   SettingEntry("economy.inflation"),
    01591   SettingEntry("difficulty.initial_interest"),
    01592   SettingEntry("difficulty.max_loan"),
    01593   SettingEntry("difficulty.subsidy_multiplier"),
    01594   SettingEntry("difficulty.economy"),
    01595   SettingEntry("economy.smooth_economy"),
    01596   SettingEntry("economy.feeder_payment_share"),
    01597   SettingEntry("economy.infrastructure_maintenance"),
    01598   SettingEntry("difficulty.vehicle_costs"),
    01599   SettingEntry("difficulty.construction_cost"),
    01600   SettingEntry("difficulty.disasters"),
    01601 };
    01603 static SettingsPage _settings_economy_page = {_settings_economy, lengthof(_settings_economy)};
    01604
    01605 static SettingEntry _settings_linkgraph[] = {
    01606   SettingEntry("linkgraph.recalc_time"),
    01607   SettingEntry("linkgraph.recalc_interval"),
    01608   SettingEntry("linkgraph.distribution_pax"),
    01609   SettingEntry("linkgraph.distribution_mail"),
    01610   SettingEntry("linkgraph.distribution_armoured"),
    01611   SettingEntry("linkgraph.distribution_default"),
    01612   SettingEntry("linkgraph.accuracy"),
    01613   SettingEntry("linkgraph.demand_distance"),
    01614   SettingEntry("linkgraph.demand_size"),
    01615   SettingEntry("linkgraph.short_path_saturation"),
    01616 };
    01618 static SettingsPage _settings_linkgraph_page = {_settings_linkgraph, lengthof(_settings_linkgraph)};
    01619
    01620 static SettingEntry _settings_ai_npc[] = {
    01621   SettingEntry("script.settings_profile"),
    01622   SettingEntry("script.script_max_opcode_till_suspend"),
    01623   SettingEntry("difficulty.competitor_speed"),
    01624   SettingEntry("ai.ai_in_multiplayer"),
    01625   SettingEntry("ai.ai_disable_veh_train"),
    01626   SettingEntry("ai.ai_disable_veh_roadveh"),
    01627   SettingEntry("ai.ai_disable_veh_aircraft"),
    01628   SettingEntry("ai.ai_disable_veh_ship"),
    01629 };
    01631 static SettingsPage _settings_ai_npc_page = {_settings_ai_npc, lengthof(_settings_ai_npc)};
    01632
    01633 static SettingEntry _settings_ai[] = {
    01634   SettingEntry(&_settings_ai_npc_page, STR_CONFIG_SETTING_AI_NPC),
    01635   SettingEntry("economy.give_money"),
    01636   SettingEntry("economy.allow_shares"),
    01637 };
    01639 static SettingsPage _settings_ai_page = {_settings_ai, lengthof(_settings_ai)};
    01640
    01641 static SettingEntry _settings_vehicles_routing[] = {
    01642   SettingEntry("pf.pathfinder_for_trains"),
    01643   SettingEntry("pf.forbid_90_deg"),
    01644   SettingEntry("pf.pathfinder_for_roadvehs"),
    01645   SettingEntry("pf.roadveh_queue"),
    01646   SettingEntry("pf.pathfinder_for_ships"),
    01647 };
    01649 static SettingsPage _settings_vehicles_routing_page = {_settings_vehicles_routing, lengthof(_settings_vehicles_routing)};
    01650
    01651 static SettingEntry _settings_vehicles_autorenew[] = {
    01652   SettingEntry("company.engine_renew"),
    01653   SettingEntry("company.engine_renew_months"),
    01654   SettingEntry("company.engine_renew_money"),
    01655 };
    01657 static SettingsPage _settings_vehicles_autorenew_page = {_settings_vehicles_autorenew, lengthof(_settings_vehicles_autorenew)};
    01658
    01659 static SettingEntry _settings_vehicles_servicing[] = {
    01660   SettingEntry("vehicle.servint_ispercent"),
    01661   SettingEntry("vehicle.servint_trains"),
    01662   SettingEntry("vehicle.servint_roadveh"),
    01663   SettingEntry("vehicle.servint_ships"),
    01664   SettingEntry("vehicle.servint_aircraft"),
    01665   SettingEntry("difficulty.vehicle_breakdowns"),
    01666   SettingEntry("order.no_servicing_if_no_breakdowns"),
    01667   SettingEntry("order.serviceathelipad"),
    01668 };
    01670 static SettingsPage _settings_vehicles_servicing_page = {_settings_vehicles_servicing, lengthof(_settings_vehicles_servicing)};
    01671
    01672 static SettingEntry _settings_vehicles_trains[] = {
    01673   SettingEntry("difficulty.line_reverse_mode"),
    01674   SettingEntry("pf.reverse_at_signals"),
    01675   SettingEntry("vehicle.train_acceleration_model"),
    01676   SettingEntry("vehicle.train_slope_steepness"),
    01677   SettingEntry("vehicle.max_train_length"),
    01678   SettingEntry("vehicle.wagon_speed_limits"),
    01679   SettingEntry("vehicle.disable_elrails"),
    01680   SettingEntry("vehicle.freight_trains"),
    01681   SettingEntry("gui.stop_location"),
    01682 };
    01684 static SettingsPage _settings_vehicles_trains_page = {_settings_vehicles_trains, lengthof(_settings_vehicles_trains)};
    01685
    01686 static SettingEntry _settings_vehicles[] = {
    01687   SettingEntry(&_settings_vehicles_routing_page, STR_CONFIG_SETTING_VEHICLES_ROUTING),
    01688   SettingEntry(&_settings_vehicles_autorenew_page, STR_CONFIG_SETTING_VEHICLES_AUTORENEW),
    01689   SettingEntry(&_settings_vehicles_servicing_page, STR_CONFIG_SETTING_VEHICLES_SERVICING),
    01690   SettingEntry(&_settings_vehicles_trains_page, STR_CONFIG_SETTING_VEHICLES_TRAINS),
    01691   SettingEntry("gui.new_nonstop"),
    01692   SettingEntry("gui.order_review_system"),
    01693   SettingEntry("gui.vehicle_income_warn"),
    01694   SettingEntry("gui.lost_vehicle_warn"),
    01695   SettingEntry("vehicle.never_expire_vehicles"),
    01696   SettingEntry("vehicle.max_trains"),
    01697   SettingEntry("vehicle.max_roadveh"),
    01698   SettingEntry("vehicle.max_aircraft"),
    01699   SettingEntry("vehicle.max_ships"),
    01700   SettingEntry("vehicle.plane_speed"),
    01701   SettingEntry("vehicle.plane_crashes"),
    01702   SettingEntry("vehicle.dynamic_engines"),
    01703   SettingEntry("vehicle.roadveh_acceleration_model"),
    01704   SettingEntry("vehicle.roadveh_slope_steepness"),
    01705   SettingEntry("vehicle.smoke_amount"),
    01706 };
    01708 static SettingsPage _settings_vehicles_page = {_settings_vehicles, lengthof(_settings_vehicles)};
    01709
    01710 static SettingEntry _settings_main[] = {
    01711   SettingEntry(&_settings_ui_page,           STR_CONFIG_SETTING_GUI),
    01712   SettingEntry(&_settings_construction_page, STR_CONFIG_SETTING_CONSTRUCTION),
    01713   SettingEntry(&_settings_vehicles_page,     STR_CONFIG_SETTING_VEHICLES),
    01714   SettingEntry(&_settings_stations_page,     STR_CONFIG_SETTING_STATIONS),
    01715   SettingEntry(&_settings_economy_page,      STR_CONFIG_SETTING_ECONOMY),
    01716   SettingEntry(&_settings_linkgraph_page,    STR_CONFIG_SETTING_LINKGRAPH),
    01717   SettingEntry(&_settings_ai_page,           STR_CONFIG_SETTING_AI),
    01718 };
    01719
    01721 static SettingsPage _settings_main_page = {_settings_main, lengthof(_settings_main)};
    01722
    01723 static const StringID _game_settings_restrict_dropdown[] = {
    01724   STR_CONFIG_SETTING_RESTRICT_BASIC,                            // RM_BASIC
    01725   STR_CONFIG_SETTING_RESTRICT_ADVANCED,                         // RM_ADVANCED
    01726   STR_CONFIG_SETTING_RESTRICT_ALL,                              // RM_ALL
    01727   STR_CONFIG_SETTING_RESTRICT_CHANGED_AGAINST_DEFAULT,          // RM_CHANGED_AGAINST_DEFAULT
    01728   STR_CONFIG_SETTING_RESTRICT_CHANGED_AGAINST_NEW,              // RM_CHANGED_AGAINST_NEW
    01729 };
    01730 assert_compile(lengthof(_game_settings_restrict_dropdown) == RM_END);
    01731
    01732 struct GameSettingsWindow : Window {
    01733   static const int SETTINGTREE_LEFT_OFFSET   = 5;
    01734   static const int SETTINGTREE_RIGHT_OFFSET  = 5;
    01735   static const int SETTINGTREE_TOP_OFFSET    = 5;
    01736   static const int SETTINGTREE_BOTTOM_OFFSET = 5;
    01737
    01738   static GameSettings *settings_ptr;
    01739
    01740   SettingEntry *valuewindow_entry;
    01741   SettingEntry *clicked_entry;
    01742   SettingEntry *last_clicked;
    01743   SettingEntry *valuedropdown_entry;
    01744   bool closing_dropdown;
    01745
    01746   SettingFilter filter;
    01747   QueryString filter_editbox;
    01748   bool manually_changed_folding;
    01749
    01750   Scrollbar *vscroll;
    01751
    01752   GameSettingsWindow(const WindowDesc *desc) : filter_editbox(50)
    01753   {
    01754     static bool first_time = true;
    01755
    01756     filter.mode = (RestrictionMode)_settings_client.gui.settings_restriction_mode;
    01757     filter.type = ST_ALL;
    01758     settings_ptr = &GetGameSettings();
    01759
    01760     /* Build up the dynamic settings-array only once per OpenTTD session */
    01761     if (first_time) {
    01762       _settings_main_page.Init();
    01763       first_time = false;
    01764     } else {
    01765       _settings_main_page.FoldAll(); // Close all sub-pages
    01766     }
    01767
    01768     this->valuewindow_entry = NULL; // No setting entry for which a entry window is opened
    01769     this->clicked_entry = NULL; // No numeric setting buttons are depressed
    01770     this->last_clicked = NULL;
    01771     this->valuedropdown_entry = NULL;
    01772     this->closing_dropdown = false;
    01773     this->manually_changed_folding = false;
    01774
    01775     this->CreateNestedTree(desc);
    01776     this->vscroll = this->GetScrollbar(WID_GS_SCROLLBAR);
    01777     this->FinishInitNested(desc, WN_GAME_OPTIONS_GAME_SETTINGS);
    01778
    01779     this->querystrings[WID_GS_FILTER] = &this->filter_editbox;
    01780     this->filter_editbox.cancel_button = QueryString::ACTION_CLEAR;
    01781     this->SetFocusedWidget(WID_GS_FILTER);
    01782
    01783     this->InvalidateData();
    01784   }
    01785
    01786   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01787   {
    01788     switch (widget) {
    01789       case WID_GS_OPTIONSPANEL:
    01790         resize->height = SETTING_HEIGHT = max(11, FONT_HEIGHT_NORMAL + 1);
    01791         resize->width  = 1;
    01792
    01793         size->height = 5 * resize->height + SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET;
    01794         break;
    01795
    01796       case WID_GS_HELP_TEXT: {
    01797         static const StringID setting_types[] = {
    01798           STR_CONFIG_SETTING_TYPE_CLIENT,
    01799           STR_CONFIG_SETTING_TYPE_COMPANY_MENU, STR_CONFIG_SETTING_TYPE_COMPANY_INGAME,
    01800           STR_CONFIG_SETTING_TYPE_GAME_MENU, STR_CONFIG_SETTING_TYPE_GAME_INGAME,
    01801         };
    01802         for (uint i = 0; i < lengthof(setting_types); i++) {
    01803           SetDParam(0, setting_types[i]);
    01804           size->width = max(size->width, GetStringBoundingBox(STR_CONFIG_SETTING_TYPE).width);
    01805         }
    01806         size->height = 2 * FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL +
    01807             max(size->height, _settings_main_page.GetMaxHelpHeight(size->width));
    01808         break;
    01809       }
    01810
    01811       default:
    01812         break;
    01813     }
    01814   }
    01815
    01816   virtual void OnPaint()
    01817   {
    01818     if (this->closing_dropdown) {
    01819       this->closing_dropdown = false;
    01820       assert(this->valuedropdown_entry != NULL);
    01821       this->valuedropdown_entry->SetButtons(0);
    01822       this->valuedropdown_entry = NULL;
    01823     }
    01824     this->DrawWidgets();
    01825   }
    01826
    01827   virtual void SetStringParameters(int widget) const
    01828   {
    01829     switch (widget) {
    01830       case WID_GS_RESTRICT_DROPDOWN:
    01831         SetDParam(0, _game_settings_restrict_dropdown[this->filter.mode]);
    01832         break;
    01833
    01834       case WID_GS_TYPE_DROPDOWN:
    01835         switch (this->filter.type) {
    01836           case ST_GAME:    SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_INGAME); break;
    01837           case ST_COMPANY: SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_INGAME); break;
    01838           case ST_CLIENT:  SetDParam(0, STR_CONFIG_SETTING_TYPE_DROPDOWN_CLIENT); break;
    01839           default:         SetDParam(0, STR_CONFIG_SETTING_TYPE_DROPDOWN_ALL); break;
    01840         }
    01841         break;
    01842     }
    01843   }
    01844
    01845   DropDownList *BuildDropDownList(int widget) const
    01846   {
    01847     DropDownList *list = NULL;
    01848     switch (widget) {
    01849       case WID_GS_RESTRICT_DROPDOWN:
    01850         list = new DropDownList();
    01851
    01852         for (int mode = 0; mode != RM_END; mode++) {
    01853           /* If we are in adv. settings screen for the new game's settings,
    01854            * we don't want to allow comparing with new game's settings. */
    01855           bool disabled = mode == RM_CHANGED_AGAINST_NEW && settings_ptr == &_settings_newgame;
    01856
    01857           list->push_back(new DropDownListStringItem(_game_settings_restrict_dropdown[mode], mode, disabled));
    01858         }
    01859         break;
    01860
    01861       case WID_GS_TYPE_DROPDOWN:
    01862         list = new DropDownList();
    01863         list->push_back(new DropDownListStringItem(STR_CONFIG_SETTING_TYPE_DROPDOWN_ALL, ST_ALL, false));
    01864         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));
    01865         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));
    01866         list->push_back(new DropDownListStringItem(STR_CONFIG_SETTING_TYPE_DROPDOWN_CLIENT, ST_CLIENT, false));
    01867         break;
    01868     }
    01869     return list;
    01870   }
    01871
    01872   virtual void DrawWidget(const Rect &r, int widget) const
    01873   {
    01874     switch (widget) {
    01875       case WID_GS_OPTIONSPANEL:
    01876         _settings_main_page.Draw(settings_ptr, r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, r.top + SETTINGTREE_TOP_OFFSET,
    01877             this->vscroll->GetPosition(), this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->last_clicked);
    01878         break;
    01879
    01880       case WID_GS_HELP_TEXT:
    01881         if (this->last_clicked != NULL) {
    01882           const SettingDesc *sd = this->last_clicked->d.entry.setting;
    01883
    01884           int y = r.top;
    01885           switch (sd->GetType()) {
    01886             case ST_COMPANY: SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_COMPANY_INGAME); break;
    01887             case ST_CLIENT:  SetDParam(0, STR_CONFIG_SETTING_TYPE_CLIENT); break;
    01888             case ST_GAME:    SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_GAME_MENU : STR_CONFIG_SETTING_TYPE_GAME_INGAME); break;
    01889             default: NOT_REACHED();
    01890           }
    01891           DrawString(r.left, r.right, y, STR_CONFIG_SETTING_TYPE);
    01892           y += FONT_HEIGHT_NORMAL;
    01893
    01894           int32 default_value = ReadValue(&sd->desc.def, sd->save.conv);
    01895           this->last_clicked->SetValueDParams(0, default_value);
    01896           DrawString(r.left, r.right, y, STR_CONFIG_SETTING_DEFAULT_VALUE);
    01897           y += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
    01898
    01899           DrawStringMultiLine(r.left, r.right, y, r.bottom, this->last_clicked->GetHelpText(), TC_WHITE);
    01900         }
    01901         break;
    01902
    01903       default:
    01904         break;
    01905     }
    01906   }
    01907
    01912   void SetDisplayedHelpText(SettingEntry *pe)
    01913   {
    01914     if (this->last_clicked != pe) this->SetDirty();
    01915     this->last_clicked = pe;
    01916   }
    01917
    01918   virtual void OnClick(Point pt, int widget, int click_count)
    01919   {
    01920     switch (widget) {
    01921       case WID_GS_EXPAND_ALL:
    01922         this->manually_changed_folding = true;
    01923         _settings_main_page.UnFoldAll();
    01924         this->InvalidateData();
    01925         break;
    01926
    01927       case WID_GS_COLLAPSE_ALL:
    01928         this->manually_changed_folding = true;
    01929         _settings_main_page.FoldAll();
    01930         this->InvalidateData();
    01931         break;
    01932
    01933       case WID_GS_RESTRICT_DROPDOWN: {
    01934         DropDownList *list = this->BuildDropDownList(widget);
    01935         if (list != NULL) {
    01936           ShowDropDownList(this, list, this->filter.mode, widget);
    01937         }
    01938         break;
    01939       }
    01940
    01941       case WID_GS_TYPE_DROPDOWN: {
    01942         DropDownList *list = this->BuildDropDownList(widget);
    01943         if (list != NULL) {
    01944           ShowDropDownList(this, list, this->filter.type, widget);
    01945         }
    01946         break;
    01947       }
    01948     }
    01949
    01950     if (widget != WID_GS_OPTIONSPANEL) return;
    01951
    01952     uint btn = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET);
    01953     if (btn == INT_MAX) return;
    01954
    01955     uint cur_row = 0;
    01956     SettingEntry *pe = _settings_main_page.FindEntry(btn, &cur_row);
    01957
    01958     if (pe == NULL) return;  // Clicked below the last setting of the page
    01959
    01960     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
    01961     if (x < 0) return;  // Clicked left of the entry
    01962
    01963     if ((pe->flags & SEF_KIND_MASK) == SEF_SUBTREE_KIND) {
    01964       this->SetDisplayedHelpText(NULL);
    01965       pe->d.sub.folded = !pe->d.sub.folded; // Flip 'folded'-ness of the sub-page
    01966
    01967       this->manually_changed_folding = true;
    01968
    01969       this->InvalidateData();
    01970       return;
    01971     }
    01972
    01973     assert((pe->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01974     const SettingDesc *sd = pe->d.entry.setting;
    01975
    01976     /* return if action is only active in network, or only settable by server */
    01977     if (!sd->IsEditable()) {
    01978       this->SetDisplayedHelpText(pe);
    01979       return;
    01980     }
    01981
    01982     const void *var = ResolveVariableAddress(settings_ptr, sd);
    01983     int32 value = (int32)ReadValue(var, sd->save.conv);
    01984
    01985     /* clicked on the icon on the left side. Either scroller, bool on/off or dropdown */
    01986     if (x < SETTING_BUTTON_WIDTH && (sd->desc.flags & SGF_MULTISTRING)) {
    01987       const SettingDescBase *sdb = &sd->desc;
    01988       this->SetDisplayedHelpText(pe);
    01989
    01990       if (this->valuedropdown_entry == pe) {
    01991         /* unclick the dropdown */
    01992         HideDropDownMenu(this);
    01993         this->closing_dropdown = false;
    01994         this->valuedropdown_entry->SetButtons(0);
    01995         this->valuedropdown_entry = NULL;
    01996       } else {
    01997         if (this->valuedropdown_entry != NULL) this->valuedropdown_entry->SetButtons(0);
    01998         this->closing_dropdown = false;
    01999
    02000         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_GS_OPTIONSPANEL);
    02001         int rel_y = (pt.y - (int)wid->pos_y - SETTINGTREE_TOP_OFFSET) % wid->resize_y;
    02002
    02003         Rect wi_rect;
    02004         wi_rect.left = pt.x - (_current_text_dir == TD_RTL ? SETTING_BUTTON_WIDTH - 1 - x : x);
    02005         wi_rect.right = wi_rect.left + SETTING_BUTTON_WIDTH - 1;
    02006         wi_rect.top = pt.y - rel_y + (SETTING_HEIGHT - SETTING_BUTTON_HEIGHT) / 2;
    02007         wi_rect.bottom = wi_rect.top + SETTING_BUTTON_HEIGHT - 1;
    02008
    02009         /* For dropdowns we also have to check the y position thoroughly, the mouse may not above the just opening dropdown */
    02010         if (pt.y >= wi_rect.top && pt.y <= wi_rect.bottom) {
    02011           this->valuedropdown_entry = pe;
    02012           this->valuedropdown_entry->SetButtons(SEF_LEFT_DEPRESSED);
    02013
    02014           DropDownList *list = new DropDownList();
    02015           for (int i = sdb->min; i <= (int)sdb->max; i++) {
    02016             list->push_back(new DropDownListStringItem(sdb->str_val + i - sdb->min, i, false));
    02017           }
    02018
    02019           ShowDropDownListAt(this, list, value, -1, wi_rect, COLOUR_ORANGE, true);
    02020         }
    02021       }
    02022       this->SetDirty();
    02023     } else if (x < SETTING_BUTTON_WIDTH) {
    02024       this->SetDisplayedHelpText(pe);
    02025       const SettingDescBase *sdb = &sd->desc;
    02026       int32 oldvalue = value;
    02027
    02028       switch (sdb->cmd) {
    02029         case SDT_BOOLX: value ^= 1; break;
    02030         case SDT_ONEOFMANY:
    02031         case SDT_NUMX: {
    02032           /* Add a dynamic step-size to the scroller. In a maximum of
    02033            * 50-steps you should be able to get from min to max,
    02034            * unless specified otherwise in the 'interval' variable
    02035            * of the current setting. */
    02036           uint32 step = (sdb->interval == 0) ? ((sdb->max - sdb->min) / 50) : sdb->interval;
    02037           if (step == 0) step = 1;
    02038
    02039           /* don't allow too fast scrolling */
    02040           if ((this->flags & WF_TIMEOUT) && this->timeout_timer > 1) {
    02041             _left_button_clicked = false;
    02042             return;
    02043           }
    02044
    02045           /* Increase or decrease the value and clamp it to extremes */
    02046           if (x >= SETTING_BUTTON_WIDTH / 2) {
    02047             value += step;
    02048             if (sdb->min < 0) {
    02049               assert((int32)sdb->max >= 0);
    02050               if (value > (int32)sdb->max) value = (int32)sdb->max;
    02051             } else {
    02052               if ((uint32)value > sdb->max) value = (int32)sdb->max;
    02053             }
    02054             if (value < sdb->min) value = sdb->min; // skip between "disabled" and minimum
    02055           } else {
    02056             value -= step;
    02057             if (value < sdb->min) value = (sdb->flags & SGF_0ISDISABLED) ? 0 : sdb->min;
    02058           }
    02059
    02060           /* Set up scroller timeout for numeric values */
    02061           if (value != oldvalue) {
    02062             if (this->clicked_entry != NULL) { // Release previous buttons if any
    02063               this->clicked_entry->SetButtons(0);
    02064             }
    02065             this->clicked_entry = pe;
    02066             this->clicked_entry->SetButtons((x >= SETTING_BUTTON_WIDTH / 2) != (_current_text_dir == TD_RTL) ? SEF_RIGHT_DEPRESSED : SEF_LEFT_DEPRESSED);
    02067             this->SetTimeout();
    02068             _left_button_clicked = false;
    02069           }
    02070           break;
    02071         }
    02072
    02073         default: NOT_REACHED();
    02074       }
    02075
    02076       if (value != oldvalue) {
    02077         if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02078           SetCompanySetting(pe->d.entry.index, value);
    02079         } else {
    02080           SetSettingValue(pe->d.entry.index, value);
    02081         }
    02082         this->SetDirty();
    02083       }
    02084     } else {
    02085       /* Only open editbox if clicked for the second time, and only for types where it is sensible for. */
    02086       if (this->last_clicked == pe && sd->desc.cmd != SDT_BOOLX && !(sd->desc.flags & SGF_MULTISTRING)) {
    02087         /* Show the correct currency-translated value */
    02088         if (sd->desc.flags & SGF_CURRENCY) value *= _currency->rate;
    02089
    02090         this->valuewindow_entry = pe;
    02091         SetDParam(0, value);
    02092         ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
    02093       }
    02094       this->SetDisplayedHelpText(pe);
    02095     }
    02096   }
    02097
    02098   virtual void OnTimeout()
    02099   {
    02100     if (this->clicked_entry != NULL) { // On timeout, release any depressed buttons
    02101       this->clicked_entry->SetButtons(0);
    02102       this->clicked_entry = NULL;
    02103       this->SetDirty();
    02104     }
    02105   }
    02106
    02107   virtual void OnQueryTextFinished(char *str)
    02108   {
    02109     /* The user pressed cancel */
    02110     if (str == NULL) return;
    02111
    02112     assert(this->valuewindow_entry != NULL);
    02113     assert((this->valuewindow_entry->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    02114     const SettingDesc *sd = this->valuewindow_entry->d.entry.setting;
    02115
    02116     int32 value;
    02117     if (!StrEmpty(str)) {
    02118       value = atoi(str);
    02119
    02120       /* Save the correct currency-translated value */
    02121       if (sd->desc.flags & SGF_CURRENCY) value /= _currency->rate;
    02122     } else {
    02123       value = (int32)(size_t)sd->desc.def;
    02124     }
    02125
    02126     if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02127       SetCompanySetting(this->valuewindow_entry->d.entry.index, value);
    02128     } else {
    02129       SetSettingValue(this->valuewindow_entry->d.entry.index, value);
    02130     }
    02131     this->SetDirty();
    02132   }
    02133
    02134   virtual void OnDropdownSelect(int widget, int index)
    02135   {
    02136     switch (widget) {
    02137       case WID_GS_RESTRICT_DROPDOWN:
    02138         this->filter.mode = (RestrictionMode)index;
    02139         if (this->filter.mode == RM_CHANGED_AGAINST_DEFAULT ||
    02140             this->filter.mode == RM_CHANGED_AGAINST_NEW) {
    02141
    02142           if (!this->manually_changed_folding) {
    02143             /* Expand all when selecting 'changes'. Update the filter state first, in case it becomes less restrictive in some cases. */
    02144             _settings_main_page.UpdateFilterState(this->filter, false);
    02145             _settings_main_page.UnFoldAll();
    02146           }
    02147         } else {
    02148           /* Non-'changes' filter. Save as default. */
    02149           _settings_client.gui.settings_restriction_mode = this->filter.mode;
    02150         }
    02151         this->InvalidateData();
    02152         break;
    02153
    02154       case WID_GS_TYPE_DROPDOWN:
    02155         this->filter.type = (SettingType)index;
    02156         this->InvalidateData();
    02157         break;
    02158
    02159       default:
    02160         if (widget < 0) {
    02161           /* Deal with drop down boxes on the panel. */
    02162           assert(this->valuedropdown_entry != NULL);
    02163           const SettingDesc *sd = this->valuedropdown_entry->d.entry.setting;
    02164           assert(sd->desc.flags & SGF_MULTISTRING);
    02165
    02166           if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02167             SetCompanySetting(this->valuedropdown_entry->d.entry.index, index);
    02168           } else {
    02169             SetSettingValue(this->valuedropdown_entry->d.entry.index, index);
    02170           }
    02171
    02172           this->SetDirty();
    02173         }
    02174         break;
    02175     }
    02176   }
    02177
    02178   virtual void OnDropdownClose(Point pt, int widget, int index, bool instant_close)
    02179   {
    02180     if (widget >= 0) {
    02181       /* Normally the default implementation of OnDropdownClose() takes care of
    02182        * a few things. We want that behaviour here too, but only for
    02183        * "normal" dropdown boxes. The special dropdown boxes added for every
    02184        * setting that needs one can't have this call. */
    02185       Window::OnDropdownClose(pt, widget, index, instant_close);
    02186     } else {
    02187       /* We cannot raise the dropdown button just yet. OnClick needs some hint, whether
    02188        * the same dropdown button was clicked again, and then not open the dropdown again.
    02189        * So, we only remember that it was closed, and process it on the next OnPaint, which is
    02190        * after OnClick. */
    02191       assert(this->valuedropdown_entry != NULL);
    02192       this->closing_dropdown = true;
    02193       this->SetDirty();
    02194     }
    02195   }
    02196
    02197   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    02198   {
    02199     if (!gui_scope) return;
    02200
    02201     _settings_main_page.UpdateFilterState(this->filter, false);
    02202
    02203     this->vscroll->SetCount(_settings_main_page.Length());
    02204
    02205     if (this->last_clicked != NULL && !_settings_main_page.IsVisible(this->last_clicked)) {
    02206       this->SetDisplayedHelpText(NULL);
    02207     }
    02208
    02209     bool all_folded = true;
    02210     bool all_unfolded = true;
    02211     _settings_main_page.GetFoldingState(all_folded, all_unfolded);
    02212     this->SetWidgetDisabledState(WID_GS_EXPAND_ALL, all_unfolded);
    02213     this->SetWidgetDisabledState(WID_GS_COLLAPSE_ALL, all_folded);
    02214   }
    02215
    02216   virtual void OnEditboxChanged(int wid)
    02217   {
    02218     if (wid == WID_GS_FILTER) {
    02219       this->filter.string.SetFilterTerm(this->filter_editbox.text.buf);
    02220       if (!this->filter.string.IsEmpty() && !this->manually_changed_folding) {
    02221         /* User never expanded/collapsed single pages and entered a filter term.
    02222          * Expand everything, to save weird expand clicks, */
    02223         _settings_main_page.UnFoldAll();
    02224       }
    02225       this->InvalidateData();
    02226     }
    02227   }
    02228
    02229   virtual void OnResize()
    02230   {
    02231     this->vscroll->SetCapacityFromWidget(this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET);
    02232   }
    02233 };
    02234
    02235 GameSettings *GameSettingsWindow::settings_ptr = NULL;
    02236
    02237 static const NWidgetPart _nested_settings_selection_widgets[] = {
    02238   NWidget(NWID_HORIZONTAL),
    02239     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
    02240     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_CONFIG_SETTING_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    02241   EndContainer(),
    02242   NWidget(WWT_PANEL, COLOUR_MAUVE),
    02243     NWidget(NWID_HORIZONTAL), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0),
    02244         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
    02245       NWidget(WWT_TEXT, COLOUR_MAUVE, WID_GS_RESTRICT_LABEL), SetDataTip(STR_CONFIG_SETTING_RESTRICT_LABEL, STR_NULL),
    02246       NWidget(NWID_VERTICAL), SetPIP(0, WD_PAR_VSEP_NORMAL, 0),
    02247         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),
    02248         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),
    02249       EndContainer(),
    02250     EndContainer(),
    02251     NWidget(NWID_HORIZONTAL), SetPadding(0, 0, WD_TEXTPANEL_BOTTOM, 0),
    02252         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
    02253       NWidget(WWT_TEXT, COLOUR_MAUVE), SetFill(0, 1), SetDataTip(STR_CONFIG_SETTING_FILTER_TITLE, STR_NULL),
    02254       NWidget(WWT_EDITBOX, COLOUR_MAUVE, WID_GS_FILTER), SetFill(1, 0), SetMinimalSize(50, 12), SetResize(1, 0),
    02255           SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
    02256     EndContainer(),
    02257   EndContainer(),
    02258   NWidget(NWID_HORIZONTAL),
    02259     NWidget(WWT_PANEL, COLOUR_MAUVE, WID_GS_OPTIONSPANEL), SetMinimalSize(400, 174), SetScrollbar(WID_GS_SCROLLBAR), EndContainer(),
    02260     NWidget(NWID_VERTICAL),
    02261       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_GS_SCROLLBAR),
    02262     EndContainer(),
    02263   EndContainer(),
    02264   NWidget(WWT_PANEL, COLOUR_MAUVE), SetMinimalSize(400, 40),
    02265     NWidget(WWT_EMPTY, INVALID_COLOUR, WID_GS_HELP_TEXT), SetMinimalSize(300, 25), SetFill(1, 1), SetResize(1, 0),
    02266         SetPadding(WD_FRAMETEXT_TOP, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_BOTTOM, WD_FRAMETEXT_LEFT),
    02267     NWidget(NWID_HORIZONTAL),
    02268       NWidget(WWT_PANEL, COLOUR_MAUVE),
    02269         NWidget(NWID_HORIZONTAL),
    02270           NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_GS_EXPAND_ALL), SetDataTip(STR_CONFIG_SETTING_EXPAND_ALL, STR_NULL),
    02271           NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_GS_COLLAPSE_ALL), SetDataTip(STR_CONFIG_SETTING_COLLAPSE_ALL, STR_NULL),
    02272           NWidget(NWID_SPACER, INVALID_COLOUR), SetFill(1, 1), SetResize(1, 0),
    02273         EndContainer(),
    02274       EndContainer(),
    02275       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
    02276     EndContainer(),
    02277   EndContainer(),
    02278 };
    02279
    02280 static const WindowDesc _settings_selection_desc(
    02281   WDP_CENTER, 510, 450,
    02282   WC_GAME_OPTIONS, WC_NONE,
    02283   0,
    02284   _nested_settings_selection_widgets, lengthof(_nested_settings_selection_widgets)
    02285 );
    02286
    02288 void ShowGameSettings()
    02289 {
    02290   DeleteWindowByClass(WC_GAME_OPTIONS);
    02291   new GameSettingsWindow(&_settings_selection_desc);
    02292 }
    02293
    02294
    02304 void DrawArrowButtons(int x, int y, Colours button_colour, byte state, bool clickable_left, bool clickable_right)
    02305 {
    02306   int colour = _colour_gradient[button_colour][2];
    02307
    02308   DrawFrameRect(x,                            y, x + SETTING_BUTTON_WIDTH / 2 - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, (state == 1) ? FR_LOWERED : FR_NONE);
    02309   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);
    02310   DrawSprite(SPR_ARROW_LEFT, PAL_NONE, x + WD_IMGBTN_LEFT, y + WD_IMGBTN_TOP);
    02311   DrawSprite(SPR_ARROW_RIGHT, PAL_NONE, x + WD_IMGBTN_LEFT + SETTING_BUTTON_WIDTH / 2, y + WD_IMGBTN_TOP);
    02312
    02313   /* Grey out the buttons that aren't clickable */
    02314   bool rtl = _current_text_dir == TD_RTL;
    02315   if (rtl ? !clickable_right : !clickable_left) {
    02316     GfxFillRect(x                            + 1, y, x + SETTING_BUTTON_WIDTH / 2 - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02317   }
    02318   if (rtl ? !clickable_left : !clickable_right) {
    02319     GfxFillRect(x + SETTING_BUTTON_WIDTH / 2 + 1, y, x + SETTING_BUTTON_WIDTH     - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02320   }
    02321 }
    02322
    02331 void DrawDropDownButton(int x, int y, Colours button_colour, bool state, bool clickable)
    02332 {
    02333   static const char *DOWNARROW = "\xEE\x8A\xAA";
    02334
    02335   int colour = _colour_gradient[button_colour][2];
    02336
    02337   DrawFrameRect(x, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, state ? FR_LOWERED : FR_NONE);
    02338   DrawString(x + (state ? 1 : 0), x + SETTING_BUTTON_WIDTH - (state ? 0 : 1), y + (state ? 2 : 1), DOWNARROW, TC_BLACK, SA_HOR_CENTER);
    02339
    02340   if (!clickable) {
    02341     GfxFillRect(x +  1, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02342   }
    02343 }
    02344
    02352 void DrawBoolButton(int x, int y, bool state, bool clickable)
    02353 {
    02354   static const Colours _bool_ctabs[2][2] = {{COLOUR_CREAM, COLOUR_RED}, {COLOUR_DARK_GREEN, COLOUR_GREEN}};
    02355   DrawFrameRect(x, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 1, _bool_ctabs[state][clickable], state ? FR_LOWERED : FR_NONE);
    02356 }
    02357
    02358 struct CustomCurrencyWindow : Window {
    02359   int query_widget;
    02360
    02361   CustomCurrencyWindow(const WindowDesc *desc) : Window()
    02362   {
    02363     this->InitNested(desc);
    02364
    02365     SetButtonState();
    02366   }
    02367
    02368   void SetButtonState()
    02369   {
    02370     this->SetWidgetDisabledState(WID_CC_RATE_DOWN, _custom_currency.rate == 1);
    02371     this->SetWidgetDisabledState(WID_CC_RATE_UP, _custom_currency.rate == UINT16_MAX);
    02372     this->SetWidgetDisabledState(WID_CC_YEAR_DOWN, _custom_currency.to_euro == CF_NOEURO);
    02373     this->SetWidgetDisabledState(WID_CC_YEAR_UP, _custom_currency.to_euro == MAX_YEAR);
    02374   }
    02375
    02376   virtual void SetStringParameters(int widget) const
    02377   {
    02378     switch (widget) {
    02379       case WID_CC_RATE:      SetDParam(0, 1); SetDParam(1, 1);            break;
    02380       case WID_CC_SEPARATOR: SetDParamStr(0, _custom_currency.separator); break;
    02381       case WID_CC_PREFIX:    SetDParamStr(0, _custom_currency.prefix);    break;
    02382       case WID_CC_SUFFIX:    SetDParamStr(0, _custom_currency.suffix);    break;
    02383       case WID_CC_YEAR:
    02384         SetDParam(0, (_custom_currency.to_euro != CF_NOEURO) ? STR_CURRENCY_SWITCH_TO_EURO : STR_CURRENCY_SWITCH_TO_EURO_NEVER);
    02385         SetDParam(1, _custom_currency.to_euro);
    02386         break;
    02387
    02388       case WID_CC_PREVIEW:
    02389         SetDParam(0, 10000);
    02390         break;
    02391     }
    02392   }
    02393
    02394   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    02395   {
    02396     switch (widget) {
    02397       /* Set the appropriate width for the edit 'buttons' */
    02398       case WID_CC_SEPARATOR_EDIT:
    02399       case WID_CC_PREFIX_EDIT:
    02400       case WID_CC_SUFFIX_EDIT:
    02401         size->width  = this->GetWidget<NWidgetBase>(WID_CC_RATE_DOWN)->smallest_x + this->GetWidget<NWidgetBase>(WID_CC_RATE_UP)->smallest_x;
    02402         break;
    02403
    02404       /* Make sure the window is wide enough for the widest exchange rate */
    02405       case WID_CC_RATE:
    02406         SetDParam(0, 1);
    02407         SetDParam(1, INT32_MAX);
    02408         *size = GetStringBoundingBox(STR_CURRENCY_EXCHANGE_RATE);
    02409         break;
    02410     }
    02411   }
    02412
    02413   virtual void OnClick(Point pt, int widget, int click_count)
    02414   {
    02415     int line = 0;
    02416     int len = 0;
    02417     StringID str = 0;
    02418     CharSetFilter afilter = CS_ALPHANUMERAL;
    02419
    02420     switch (widget) {
    02421       case WID_CC_RATE_DOWN:
    02422         if (_custom_currency.rate > 1) _custom_currency.rate--;
    02423         if (_custom_currency.rate == 1) this->DisableWidget(WID_CC_RATE_DOWN);
    02424         this->EnableWidget(WID_CC_RATE_UP);
    02425         break;
    02426
    02427       case WID_CC_RATE_UP:
    02428         if (_custom_currency.rate < UINT16_MAX) _custom_currency.rate++;
    02429         if (_custom_currency.rate == UINT16_MAX) this->DisableWidget(WID_CC_RATE_UP);
    02430         this->EnableWidget(WID_CC_RATE_DOWN);
    02431         break;
    02432
    02433       case WID_CC_RATE:
    02434         SetDParam(0, _custom_currency.rate);
    02435         str = STR_JUST_INT;
    02436         len = 5;
    02437         line = WID_CC_RATE;
    02438         afilter = CS_NUMERAL;
    02439         break;
    02440
    02441       case WID_CC_SEPARATOR_EDIT:
    02442       case WID_CC_SEPARATOR:
    02443         SetDParamStr(0, _custom_currency.separator);
    02444         str = STR_JUST_RAW_STRING;
    02445         len = 1;
    02446         line = WID_CC_SEPARATOR;
    02447         break;
    02448
    02449       case WID_CC_PREFIX_EDIT:
    02450       case WID_CC_PREFIX:
    02451         SetDParamStr(0, _custom_currency.prefix);
    02452         str = STR_JUST_RAW_STRING;
    02453         len = 12;
    02454         line = WID_CC_PREFIX;
    02455         break;
    02456
    02457       case WID_CC_SUFFIX_EDIT:
    02458       case WID_CC_SUFFIX:
    02459         SetDParamStr(0, _custom_currency.suffix);
    02460         str = STR_JUST_RAW_STRING;
    02461         len = 12;
    02462         line = WID_CC_SUFFIX;
    02463         break;
    02464
    02465       case WID_CC_YEAR_DOWN:
    02466         _custom_currency.to_euro = (_custom_currency.to_euro <= 2000) ? CF_NOEURO : _custom_currency.to_euro - 1;
    02467         if (_custom_currency.to_euro == CF_NOEURO) this->DisableWidget(WID_CC_YEAR_DOWN);
    02468         this->EnableWidget(WID_CC_YEAR_UP);
    02469         break;
    02470
    02471       case WID_CC_YEAR_UP:
    02472         _custom_currency.to_euro = Clamp(_custom_currency.to_euro + 1, 2000, MAX_YEAR);
    02473         if (_custom_currency.to_euro == MAX_YEAR) this->DisableWidget(WID_CC_YEAR_UP);
    02474         this->EnableWidget(WID_CC_YEAR_DOWN);
    02475         break;
    02476
    02477       case WID_CC_YEAR:
    02478         SetDParam(0, _custom_currency.to_euro);
    02479         str = STR_JUST_INT;
    02480         len = 7;
    02481         line = WID_CC_YEAR;
    02482         afilter = CS_NUMERAL;
    02483         break;
    02484     }
    02485
    02486     if (len != 0) {
    02487       this->query_widget = line;
    02488       ShowQueryString(str, STR_CURRENCY_CHANGE_PARAMETER, len + 1, this, afilter, QSF_NONE);
    02489     }
    02490
    02491     this->SetTimeout();
    02492     this->SetDirty();
    02493   }
    02494
    02495   virtual void OnQueryTextFinished(char *str)
    02496   {
    02497     if (str == NULL) return;
    02498
    02499     switch (this->query_widget) {
    02500       case WID_CC_RATE:
    02501         _custom_currency.rate = Clamp(atoi(str), 1, UINT16_MAX);
    02502         break;
    02503
    02504       case WID_CC_SEPARATOR: // Thousands separator
    02505         strecpy(_custom_currency.separator, str, lastof(_custom_currency.separator));
    02506         break;
    02507
    02508       case WID_CC_PREFIX:
    02509         strecpy(_custom_currency.prefix, str, lastof(_custom_currency.prefix));
    02510         break;
    02511
    02512       case WID_CC_SUFFIX:
    02513         strecpy(_custom_currency.suffix, str, lastof(_custom_currency.suffix));
    02514         break;
    02515
    02516       case WID_CC_YEAR: { // Year to switch to euro
    02517         int val = atoi(str);
    02518
    02519         _custom_currency.to_euro = (val < 2000 ? CF_NOEURO : min(val, MAX_YEAR));
    02520         break;
    02521       }
    02522     }
    02523     MarkWholeScreenDirty();
    02524     SetButtonState();
    02525   }
    02526
    02527   virtual void OnTimeout()
    02528   {
    02529     this->SetDirty();
    02530   }
    02531 };
    02532
    02533 static const NWidgetPart _nested_cust_currency_widgets[] = {
    02534   NWidget(NWID_HORIZONTAL),
    02535     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    02536     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CURRENCY_WINDOW, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    02537   EndContainer(),
    02538   NWidget(WWT_PANEL, COLOUR_GREY),
    02539     NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(7, 3, 0),
    02540       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02541         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_EXCHANGE_RATE_TOOLTIP),
    02542         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_EXCHANGE_RATE_TOOLTIP),
    02543         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02544         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_RATE), SetDataTip(STR_CURRENCY_EXCHANGE_RATE, STR_CURRENCY_SET_EXCHANGE_RATE_TOOLTIP), SetFill(1, 0),
    02545       EndContainer(),
    02546       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02547         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SEPARATOR_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(0, 1),
    02548         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02549         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SEPARATOR), SetDataTip(STR_CURRENCY_SEPARATOR, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(1, 0),
    02550       EndContainer(),
    02551       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02552         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_PREFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(0, 1),
    02553         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02554         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_PREFIX), SetDataTip(STR_CURRENCY_PREFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(1, 0),
    02555       EndContainer(),
    02556       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02557         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SUFFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(0, 1),
    02558         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02559         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SUFFIX), SetDataTip(STR_CURRENCY_SUFFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(1, 0),
    02560       EndContainer(),
    02561       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02562         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
    02563         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
    02564         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02565         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_YEAR), SetDataTip(STR_JUST_STRING, STR_CURRENCY_SET_CUSTOM_CURRENCY_TO_EURO_TOOLTIP), SetFill(1, 0),
    02566       EndContainer(),
    02567     EndContainer(),
    02568     NWidget(WWT_LABEL, COLOUR_BLUE, WID_CC_PREVIEW),
    02569                 SetDataTip(STR_CURRENCY_PREVIEW, STR_CURRENCY_CUSTOM_CURRENCY_PREVIEW_TOOLTIP), SetPadding(15, 1, 18, 2),
    02570   EndContainer(),
    02571 };
    02572
    02573 static const WindowDesc _cust_currency_desc(
    02574   WDP_CENTER, 0, 0,
    02575   WC_CUSTOM_CURRENCY, WC_NONE,
    02576   0,
    02577   _nested_cust_currency_widgets, lengthof(_nested_cust_currency_widgets)
    02578 );
    02579
    02581 static void ShowCustCurrency()
    02582 {
    02583   DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
    02584   new CustomCurrencyWindow(&_cust_currency_desc);
    02585 }