# settings_gui.cpp

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    00001 /* $Id: settings_gui.cpp 26652 2014-06-17 19:08:07Z frosch $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
    00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00012 #include "stdafx.h"
    00013 #include "currency.h"
    00014 #include "error.h"
    00015 #include "settings_gui.h"
    00016 #include "textbuf_gui.h"
    00017 #include "command_func.h"
    00018 #include "screenshot.h"
    00019 #include "network/network.h"
    00020 #include "town.h"
    00021 #include "settings_internal.h"
    00022 #include "newgrf_townname.h"
    00023 #include "strings_func.h"
    00024 #include "window_func.h"
    00025 #include "string_func.h"
    00026 #include "widgets/dropdown_type.h"
    00027 #include "widgets/dropdown_func.h"
    00028 #include "highscore.h"
    00029 #include "base_media_base.h"
    00030 #include "company_base.h"
    00031 #include "company_func.h"
    00032 #include "viewport_func.h"
    00033 #include "core/geometry_func.hpp"
    00034 #include "ai/ai.hpp"
    00035 #include "blitter/factory.hpp"
    00036 #include "language.h"
    00037 #include "textfile_gui.h"
    00038 #include "stringfilter_type.h"
    00039 #include "querystring_gui.h"
    00040
    00041
    00042 static const StringID _driveside_dropdown[] = {
    00043   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT,
    00044   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_RIGHT,
    00045   INVALID_STRING_ID
    00046 };
    00047
    00048 static const StringID _autosave_dropdown[] = {
    00049   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_OFF,
    00050   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_1_MONTH,
    00051   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_3_MONTHS,
    00052   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_6_MONTHS,
    00053   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_12_MONTHS,
    00054   INVALID_STRING_ID,
    00055 };
    00056
    00057 int _nb_orig_names = SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1;
    00058 static StringID *_grf_names = NULL;
    00059 static int _nb_grf_names = 0;
    00060
    00061 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd);
    00062
    00064 void InitGRFTownGeneratorNames()
    00065 {
    00066   free(_grf_names);
    00067   _grf_names = GetGRFTownNameList();
    00068   _nb_grf_names = 0;
    00069   for (StringID *s = _grf_names; *s != INVALID_STRING_ID; s++) _nb_grf_names++;
    00070 }
    00071
    00077 static inline StringID TownName(int town_name)
    00078 {
    00079   if (town_name < _nb_orig_names) return STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + town_name;
    00080   town_name -= _nb_orig_names;
    00081   if (town_name < _nb_grf_names) return _grf_names[town_name];
    00082   return STR_UNDEFINED;
    00083 }
    00084
    00089 static int GetCurRes()
    00090 {
    00091   int i;
    00092
    00093   for (i = 0; i != _num_resolutions; i++) {
    00094     if ((int)_resolutions[i].width == _screen.width &&
    00095         (int)_resolutions[i].height == _screen.height) {
    00096       break;
    00097     }
    00098   }
    00099   return i;
    00100 }
    00101
    00102 static void ShowCustCurrency();
    00103
    00104 template <class T>
    00105 static DropDownList *BuiltSetDropDownList(int *selected_index)
    00106 {
    00107   int n = T::GetNumSets();
    00108   *selected_index = T::GetIndexOfUsedSet();
    00109
    00110   DropDownList *list = new DropDownList();
    00111   for (int i = 0; i < n; i++) {
    00112     *list->Append() = new DropDownListCharStringItem(T::GetSet(i)->name, i, (_game_mode == GM_MENU) ? false : (*selected_index != i));
    00113   }
    00114
    00115   return list;
    00116 }
    00117
    00119 template <class TBaseSet>
    00120 struct BaseSetTextfileWindow : public TextfileWindow {
    00121   const TBaseSet* baseset;
    00122   StringID content_type;
    00123
    00124   BaseSetTextfileWindow(TextfileType file_type, const TBaseSet* baseset, StringID content_type) : TextfileWindow(file_type), baseset(baseset), content_type(content_type)
    00125   {
    00126     const char *textfile = this->baseset->GetTextfile(file_type);
    00127     this->LoadTextfile(textfile, BASESET_DIR);
    00128   }
    00129
    00130   /* virtual */ void SetStringParameters(int widget) const
    00131   {
    00132     if (widget == WID_TF_CAPTION) {
    00133       SetDParam(0, content_type);
    00134       SetDParamStr(1, this->baseset->name);
    00135     }
    00136   }
    00137 };
    00138
    00145 template <class TBaseSet>
    00146 void ShowBaseSetTextfileWindow(TextfileType file_type, const TBaseSet* baseset, StringID content_type)
    00147 {
    00148   DeleteWindowByClass(WC_TEXTFILE);
    00149   new BaseSetTextfileWindow<TBaseSet>(file_type, baseset, content_type);
    00150 }
    00151
    00152 struct GameOptionsWindow : Window {
    00153   GameSettings *opt;
    00154   bool reload;
    00155
    00156   GameOptionsWindow(WindowDesc *desc) : Window(desc)
    00157   {
    00158     this->opt = &GetGameSettings();
    00159     this->reload = false;
    00160
    00161     this->InitNested(WN_GAME_OPTIONS_GAME_OPTIONS);
    00162     this->OnInvalidateData(0);
    00163   }
    00164
    00165   ~GameOptionsWindow()
    00166   {
    00167     DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
    00168     if (this->reload) _switch_mode = SM_MENU;
    00169   }
    00170
    00177   DropDownList *BuildDropDownList(int widget, int *selected_index) const
    00178   {
    00179     DropDownList *list = NULL;
    00180     switch (widget) {
    00181       case WID_GO_CURRENCY_DROPDOWN: { // Setup currencies dropdown
    00182         list = new DropDownList();
    00183         *selected_index = this->opt->locale.currency;
    00184         StringID *items = BuildCurrencyDropdown();
    00185         uint64 disabled = _game_mode == GM_MENU ? 0LL : ~GetMaskOfAllowedCurrencies();
    00186
    00187         /* Add non-custom currencies; sorted naturally */
    00188         for (uint i = 0; i < CURRENCY_END; items++, i++) {
    00189           if (i == CURRENCY_CUSTOM) continue;
    00190           *list->Append() = new DropDownListStringItem(*items, i, HasBit(disabled, i));
    00191         }
    00192         QSortT(list->Begin(), list->Length(), DropDownListStringItem::NatSortFunc);
    00193
    00194         /* Append custom currency at the end */
    00195         *list->Append() = new DropDownListItem(-1, false); // separator line
    00196         *list->Append() = new DropDownListStringItem(STR_GAME_OPTIONS_CURRENCY_CUSTOM, CURRENCY_CUSTOM, HasBit(disabled, CURRENCY_CUSTOM));
    00197         break;
    00198       }
    00199
    00200       case WID_GO_ROADSIDE_DROPDOWN: { // Setup road-side dropdown
    00201         list = new DropDownList();
    00202         *selected_index = this->opt->vehicle.road_side;
    00203         const StringID *items = _driveside_dropdown;
    00204         uint disabled = 0;
    00205
    00206         /* You can only change the drive side if you are in the menu or ingame with
    00207          * no vehicles present. In a networking game only the server can change it */
    00208         extern bool RoadVehiclesAreBuilt();
    00209         if ((_game_mode != GM_MENU && RoadVehiclesAreBuilt()) || (_networking && !_network_server)) {
    00210           disabled = ~(1 << this->opt->vehicle.road_side); // disable the other value
    00211         }
    00212
    00213         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00214           *list->Append() = new DropDownListStringItem(*items, i, HasBit(disabled, i));
    00215         }
    00216         break;
    00217       }
    00218
    00219       case WID_GO_TOWNNAME_DROPDOWN: { // Setup townname dropdown
    00220         list = new DropDownList();
    00221         *selected_index = this->opt->game_creation.town_name;
    00222
    00223         int enabled_item = (_game_mode == GM_MENU || Town::GetNumItems() == 0) ? -1 : *selected_index;
    00224
    00225         /* Add and sort newgrf townnames generators */
    00226         for (int i = 0; i < _nb_grf_names; i++) {
    00227           int result = _nb_orig_names + i;
    00228           *list->Append() = new DropDownListStringItem(_grf_names[i], result, enabled_item != result && enabled_item >= 0);
    00229         }
    00230         QSortT(list->Begin(), list->Length(), DropDownListStringItem::NatSortFunc);
    00231
    00232         int newgrf_size = list->Length();
    00233         /* Insert newgrf_names at the top of the list */
    00234         if (newgrf_size > 0) {
    00235           *list->Append() = new DropDownListItem(-1, false); // separator line
    00236           newgrf_size++;
    00237         }
    00238
    00239         /* Add and sort original townnames generators */
    00240         for (int i = 0; i < _nb_orig_names; i++) {
    00241           *list->Append() = new DropDownListStringItem(STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + i, i, enabled_item != i && enabled_item >= 0);
    00242         }
    00243         QSortT(list->Begin() + newgrf_size, list->Length() - newgrf_size, DropDownListStringItem::NatSortFunc);
    00244         break;
    00245       }
    00246
    00247       case WID_GO_AUTOSAVE_DROPDOWN: { // Setup autosave dropdown
    00248         list = new DropDownList();
    00249         *selected_index = _settings_client.gui.autosave;
    00250         const StringID *items = _autosave_dropdown;
    00251         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00252           *list->Append() = new DropDownListStringItem(*items, i, false);
    00253         }
    00254         break;
    00255       }
    00256
    00257       case WID_GO_LANG_DROPDOWN: { // Setup interface language dropdown
    00258         list = new DropDownList();
    00259         for (uint i = 0; i < _languages.Length(); i++) {
    00260           if (&_languages[i] == _current_language) *selected_index = i;
    00261           *list->Append() = new DropDownListStringItem(SPECSTR_LANGUAGE_START + i, i, false);
    00262         }
    00263         QSortT(list->Begin(), list->Length(), DropDownListStringItem::NatSortFunc);
    00264         break;
    00265       }
    00266
    00267       case WID_GO_RESOLUTION_DROPDOWN: // Setup resolution dropdown
    00268         if (_num_resolutions == 0) break;
    00269
    00270         list = new DropDownList();
    00271         *selected_index = GetCurRes();
    00272         for (int i = 0; i < _num_resolutions; i++) {
    00273           *list->Append() = new DropDownListStringItem(SPECSTR_RESOLUTION_START + i, i, false);
    00274         }
    00275         break;
    00276
    00277       case WID_GO_SCREENSHOT_DROPDOWN: // Setup screenshot format dropdown
    00278         list = new DropDownList();
    00279         *selected_index = _cur_screenshot_format;
    00280         for (uint i = 0; i < _num_screenshot_formats; i++) {
    00281           if (!GetScreenshotFormatSupports_32bpp(i) && BlitterFactory::GetCurrentBlitter()->GetScreenDepth() == 32) continue;
    00282           *list->Append() = new DropDownListStringItem(SPECSTR_SCREENSHOT_START + i, i, false);
    00283         }
    00284         break;
    00285
    00286       case WID_GO_BASE_GRF_DROPDOWN:
    00287         list = BuiltSetDropDownList<BaseGraphics>(selected_index);
    00288         break;
    00289
    00290       case WID_GO_BASE_SFX_DROPDOWN:
    00291         list = BuiltSetDropDownList<BaseSounds>(selected_index);
    00292         break;
    00293
    00294       case WID_GO_BASE_MUSIC_DROPDOWN:
    00295         list = BuiltSetDropDownList<BaseMusic>(selected_index);
    00296         break;
    00297
    00298       default:
    00299         return NULL;
    00300     }
    00301
    00302     return list;
    00303   }
    00304
    00305   virtual void SetStringParameters(int widget) const
    00306   {
    00307     switch (widget) {
    00308       case WID_GO_CURRENCY_DROPDOWN:   SetDParam(0, _currency_specs[this->opt->locale.currency].name); break;
    00309       case WID_GO_ROADSIDE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT + this->opt->vehicle.road_side); break;
    00310       case WID_GO_TOWNNAME_DROPDOWN:   SetDParam(0, TownName(this->opt->game_creation.town_name)); break;
    00311       case WID_GO_AUTOSAVE_DROPDOWN:   SetDParam(0, _autosave_dropdown[_settings_client.gui.autosave]); break;
    00312       case WID_GO_LANG_DROPDOWN:       SetDParamStr(0, _current_language->own_name); break;
    00313       case WID_GO_RESOLUTION_DROPDOWN: SetDParam(0, GetCurRes() == _num_resolutions ? STR_GAME_OPTIONS_RESOLUTION_OTHER : SPECSTR_RESOLUTION_START + GetCurRes()); break;
    00314       case WID_GO_SCREENSHOT_DROPDOWN: SetDParam(0, SPECSTR_SCREENSHOT_START + _cur_screenshot_format); break;
    00315       case WID_GO_BASE_GRF_DROPDOWN:   SetDParamStr(0, BaseGraphics::GetUsedSet()->name); break;
    00316       case WID_GO_BASE_GRF_STATUS:     SetDParam(0, BaseGraphics::GetUsedSet()->GetNumInvalid()); break;
    00317       case WID_GO_BASE_SFX_DROPDOWN:   SetDParamStr(0, BaseSounds::GetUsedSet()->name); break;
    00318       case WID_GO_BASE_MUSIC_DROPDOWN: SetDParamStr(0, BaseMusic::GetUsedSet()->name); break;
    00319       case WID_GO_BASE_MUSIC_STATUS:   SetDParam(0, BaseMusic::GetUsedSet()->GetNumInvalid()); break;
    00320     }
    00321   }
    00322
    00323   virtual void DrawWidget(const Rect &r, int widget) const
    00324   {
    00325     switch (widget) {
    00326       case WID_GO_BASE_GRF_DESCRIPTION:
    00327         SetDParamStr(0, BaseGraphics::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00328         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00329         break;
    00330
    00331       case WID_GO_BASE_SFX_DESCRIPTION:
    00332         SetDParamStr(0, BaseSounds::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00333         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00334         break;
    00335
    00336       case WID_GO_BASE_MUSIC_DESCRIPTION:
    00337         SetDParamStr(0, BaseMusic::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00338         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00339         break;
    00340     }
    00341   }
    00342
    00343   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00344   {
    00345     switch (widget) {
    00346       case WID_GO_BASE_GRF_DESCRIPTION:
    00347         /* Find the biggest description for the default size. */
    00348         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
    00349           SetDParamStr(0, BaseGraphics::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00350           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00351         }
    00352         break;
    00353
    00354       case WID_GO_BASE_GRF_STATUS:
    00355         /* Find the biggest description for the default size. */
    00356         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
    00357           uint invalid_files = BaseGraphics::GetSet(i)->GetNumInvalid();
    00358           if (invalid_files == 0) continue;
    00359
    00360           SetDParam(0, invalid_files);
    00361           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_GRF_STATUS));
    00362         }
    00363         break;
    00364
    00365       case WID_GO_BASE_SFX_DESCRIPTION:
    00366         /* Find the biggest description for the default size. */
    00367         for (int i = 0; i < BaseSounds::GetNumSets(); i++) {
    00368           SetDParamStr(0, BaseSounds::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00369           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00370         }
    00371         break;
    00372
    00373       case WID_GO_BASE_MUSIC_DESCRIPTION:
    00374         /* Find the biggest description for the default size. */
    00375         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
    00376           SetDParamStr(0, BaseMusic::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00377           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00378         }
    00379         break;
    00380
    00381       case WID_GO_BASE_MUSIC_STATUS:
    00382         /* Find the biggest description for the default size. */
    00383         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
    00384           uint invalid_files = BaseMusic::GetSet(i)->GetNumInvalid();
    00385           if (invalid_files == 0) continue;
    00386
    00387           SetDParam(0, invalid_files);
    00388           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_MUSIC_STATUS));
    00389         }
    00390         break;
    00391
    00392       default: {
    00393         int selected;
    00394         DropDownList *list = this->BuildDropDownList(widget, &selected);
    00395         if (list != NULL) {
    00396           /* Find the biggest item for the default size. */
    00397           for (const DropDownListItem * const *it = list->Begin(); it != list->End(); it++) {
    00398             Dimension string_dim;
    00399             int width = (*it)->Width();
    00400             string_dim.width = width + padding.width;
    00401             string_dim.height = (*it)->Height(width) + padding.height;
    00402             *size = maxdim(*size, string_dim);
    00403           }
    00404           delete list;
    00405         }
    00406       }
    00407     }
    00408   }
    00409
    00410   virtual void OnClick(Point pt, int widget, int click_count)
    00411   {
    00412     if (widget >= WID_GO_BASE_GRF_TEXTFILE && widget < WID_GO_BASE_GRF_TEXTFILE + TFT_END) {
    00413       if (BaseGraphics::GetUsedSet() == NULL) return;
    00414
    00415       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_GRF_TEXTFILE), BaseGraphics::GetUsedSet(), STR_CONTENT_TYPE_BASE_GRAPHICS);
    00416       return;
    00417     }
    00418     if (widget >= WID_GO_BASE_SFX_TEXTFILE && widget < WID_GO_BASE_SFX_TEXTFILE + TFT_END) {
    00419       if (BaseSounds::GetUsedSet() == NULL) return;
    00420
    00421       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_SFX_TEXTFILE), BaseSounds::GetUsedSet(), STR_CONTENT_TYPE_BASE_SOUNDS);
    00422       return;
    00423     }
    00424     if (widget >= WID_GO_BASE_MUSIC_TEXTFILE && widget < WID_GO_BASE_MUSIC_TEXTFILE + TFT_END) {
    00425       if (BaseMusic::GetUsedSet() == NULL) return;
    00426
    00427       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_MUSIC_TEXTFILE), BaseMusic::GetUsedSet(), STR_CONTENT_TYPE_BASE_MUSIC);
    00428       return;
    00429     }
    00430     switch (widget) {
    00431       case WID_GO_FULLSCREEN_BUTTON: // Click fullscreen on/off
    00432         /* try to toggle full-screen on/off */
    00433         if (!ToggleFullScreen(!_fullscreen)) {
    00434           ShowErrorMessage(STR_ERROR_FULLSCREEN_FAILED, INVALID_STRING_ID, WL_ERROR);
    00435         }
    00436         this->SetWidgetLoweredState(WID_GO_FULLSCREEN_BUTTON, _fullscreen);
    00437         this->SetDirty();
    00438         break;
    00439
    00440       default: {
    00441         int selected;
    00442         DropDownList *list = this->BuildDropDownList(widget, &selected);
    00443         if (list != NULL) {
    00444           ShowDropDownList(this, list, selected, widget);
    00445         } else {
    00446           if (widget == WID_GO_RESOLUTION_DROPDOWN) ShowErrorMessage(STR_ERROR_RESOLUTION_LIST_FAILED, INVALID_STRING_ID, WL_ERROR);
    00447         }
    00448         break;
    00449       }
    00450     }
    00451   }
    00452
    00458   template <class T>
    00459   void SetMediaSet(int index)
    00460   {
    00461     if (_game_mode == GM_MENU) {
    00462       const char *name = T::GetSet(index)->name;
    00463
    00464       free(T::ini_set);
    00465       T::ini_set = strdup(name);
    00466
    00467       T::SetSet(name);
    00468       this->reload = true;
    00469       this->InvalidateData();
    00470     }
    00471   }
    00472
    00473   virtual void OnDropdownSelect(int widget, int index)
    00474   {
    00475     switch (widget) {
    00476       case WID_GO_CURRENCY_DROPDOWN: // Currency
    00477         if (index == CURRENCY_CUSTOM) ShowCustCurrency();
    00478         this->opt->locale.currency = index;
    00479         ReInitAllWindows();
    00480         break;
    00481
    00482       case WID_GO_ROADSIDE_DROPDOWN: // Road side
    00483         if (this->opt->vehicle.road_side != index) { // only change if setting changed
    00484           uint i;
    00485           if (GetSettingFromName("vehicle.road_side", &i) == NULL) NOT_REACHED();
    00486           SetSettingValue(i, index);
    00487           MarkWholeScreenDirty();
    00488         }
    00489         break;
    00490
    00491       case WID_GO_TOWNNAME_DROPDOWN: // Town names
    00492         if (_game_mode == GM_MENU || Town::GetNumItems() == 0) {
    00493           this->opt->game_creation.town_name = index;
    00494           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_OPTIONS);
    00495         }
    00496         break;
    00497
    00498       case WID_GO_AUTOSAVE_DROPDOWN: // Autosave options
    00499         _settings_client.gui.autosave = index;
    00500         this->SetDirty();
    00501         break;
    00502
    00503       case WID_GO_LANG_DROPDOWN: // Change interface language
    00504         ReadLanguagePack(&_languages[index]);
    00505         DeleteWindowByClass(WC_QUERY_STRING);
    00506         CheckForMissingGlyphs();
    00507         UpdateAllVirtCoords();
    00508         ReInitAllWindows();
    00509         break;
    00510
    00511       case WID_GO_RESOLUTION_DROPDOWN: // Change resolution
    00512         if (index < _num_resolutions && ChangeResInGame(_resolutions[index].width, _resolutions[index].height)) {
    00513           this->SetDirty();
    00514         }
    00515         break;
    00516
    00517       case WID_GO_SCREENSHOT_DROPDOWN: // Change screenshot format
    00518         SetScreenshotFormat(index);
    00519         this->SetDirty();
    00520         break;
    00521
    00522       case WID_GO_BASE_GRF_DROPDOWN:
    00523         this->SetMediaSet<BaseGraphics>(index);
    00524         break;
    00525
    00526       case WID_GO_BASE_SFX_DROPDOWN:
    00527         this->SetMediaSet<BaseSounds>(index);
    00528         break;
    00529
    00530       case WID_GO_BASE_MUSIC_DROPDOWN:
    00531         this->SetMediaSet<BaseMusic>(index);
    00532         break;
    00533     }
    00534   }
    00535
    00541   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00542   {
    00543     if (!gui_scope) return;
    00544     this->SetWidgetLoweredState(WID_GO_FULLSCREEN_BUTTON, _fullscreen);
    00545
    00546     bool missing_files = BaseGraphics::GetUsedSet()->GetNumMissing() == 0;
    00547     this->GetWidget<NWidgetCore>(WID_GO_BASE_GRF_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_GRF_STATUS, STR_NULL);
    00548
    00549     for (TextfileType tft = TFT_BEGIN; tft < TFT_END; tft++) {
    00550       this->SetWidgetDisabledState(WID_GO_BASE_GRF_TEXTFILE + tft, BaseGraphics::GetUsedSet() == NULL || BaseGraphics::GetUsedSet()->GetTextfile(tft) == NULL);
    00551       this->SetWidgetDisabledState(WID_GO_BASE_SFX_TEXTFILE + tft, BaseSounds::GetUsedSet() == NULL || BaseSounds::GetUsedSet()->GetTextfile(tft) == NULL);
    00552       this->SetWidgetDisabledState(WID_GO_BASE_MUSIC_TEXTFILE + tft, BaseMusic::GetUsedSet() == NULL || BaseMusic::GetUsedSet()->GetTextfile(tft) == NULL);
    00553     }
    00554
    00555     missing_files = BaseMusic::GetUsedSet()->GetNumInvalid() == 0;
    00556     this->GetWidget<NWidgetCore>(WID_GO_BASE_MUSIC_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_MUSIC_STATUS, STR_NULL);
    00557   }
    00558 };
    00559
    00560 static const NWidgetPart _nested_game_options_widgets[] = {
    00561   NWidget(NWID_HORIZONTAL),
    00562     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00563     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00564   EndContainer(),
    00565   NWidget(WWT_PANEL, COLOUR_GREY, WID_GO_BACKGROUND), SetPIP(6, 6, 10),
    00566     NWidget(NWID_HORIZONTAL), SetPIP(10, 10, 10),
    00567       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
    00568         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CURRENCY_UNITS_FRAME, STR_NULL),
    00569           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),
    00570         EndContainer(),
    00571         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_ROAD_VEHICLES_FRAME, STR_NULL),
    00572           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),
    00573         EndContainer(),
    00574         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_AUTOSAVE_FRAME, STR_NULL),
    00575           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),
    00576         EndContainer(),
    00577         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_RESOLUTION, STR_NULL),
    00578           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),
    00579           NWidget(NWID_HORIZONTAL),
    00580             NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_FULLSCREEN, STR_NULL),
    00581             NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_FULLSCREEN_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_FULLSCREEN_TOOLTIP),
    00582           EndContainer(),
    00583         EndContainer(),
    00584       EndContainer(),
    00585
    00586       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
    00587         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_TOWN_NAMES_FRAME, STR_NULL),
    00588           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),
    00589         EndContainer(),
    00590         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_LANGUAGE, STR_NULL),
    00591           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),
    00592         EndContainer(),
    00593         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_SCREENSHOT_FORMAT, STR_NULL),
    00594           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),
    00595         EndContainer(),
    00596         NWidget(NWID_SPACER), SetMinimalSize(0, 0), SetFill(0, 1),
    00597       EndContainer(),
    00598     EndContainer(),
    00599
    00600     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_GRF, STR_NULL), SetPadding(0, 10, 0, 10),
    00601       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00602         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_GRF_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_GRF_TOOLTIP),
    00603         NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_GRF_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
    00604       EndContainer(),
    00605       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),
    00606       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00607         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),
    00608         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),
    00609         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),
    00610       EndContainer(),
    00611     EndContainer(),
    00612
    00613     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_SFX, STR_NULL), SetPadding(0, 10, 0, 10),
    00614       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00615         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_SFX_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_SFX_TOOLTIP),
    00616         NWidget(NWID_SPACER), SetFill(1, 0),
    00617       EndContainer(),
    00618       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),
    00619       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00620         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),
    00621         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),
    00622         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),
    00623       EndContainer(),
    00624     EndContainer(),
    00625
    00626     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_MUSIC, STR_NULL), SetPadding(0, 10, 0, 10),
    00627       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00628         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_MUSIC_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_MUSIC_TOOLTIP),
    00629         NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_MUSIC_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
    00630       EndContainer(),
    00631       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),
    00632       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00633         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),
    00634         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),
    00635         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),
    00636       EndContainer(),
    00637     EndContainer(),
    00638   EndContainer(),
    00639 };
    00640
    00641 static WindowDesc _game_options_desc(
    00642   WDP_CENTER, "settings_game", 0, 0,
    00643   WC_GAME_OPTIONS, WC_NONE,
    00644   0,
    00645   _nested_game_options_widgets, lengthof(_nested_game_options_widgets)
    00646 );
    00647
    00649 void ShowGameOptions()
    00650 {
    00651   DeleteWindowByClass(WC_GAME_OPTIONS);
    00652   new GameOptionsWindow(&_game_options_desc);
    00653 }
    00654
    00655 static int SETTING_HEIGHT = 11;
    00656 static const int LEVEL_WIDTH = 15;
    00657
    00662 enum SettingEntryFlags {
    00663   SEF_LEFT_DEPRESSED  = 0x01,
    00664   SEF_RIGHT_DEPRESSED = 0x02,
    00665   SEF_BUTTONS_MASK = (SEF_LEFT_DEPRESSED | SEF_RIGHT_DEPRESSED),
    00666
    00667   SEF_LAST_FIELD = 0x04,
    00668   SEF_FILTERED   = 0x08,
    00669
    00670   /* Entry kind */
    00671   SEF_SETTING_KIND = 0x10,
    00672   SEF_SUBTREE_KIND = 0x20,
    00673   SEF_KIND_MASK    = (SEF_SETTING_KIND | SEF_SUBTREE_KIND),
    00674 };
    00675
    00676 struct SettingsPage; // Forward declaration
    00677
    00679 struct SettingEntrySubtree {
    00680   SettingsPage *page;
    00681   bool folded;
    00682   StringID title;
    00683 };
    00684
    00686 struct SettingEntrySetting {
    00687   const char *name;
    00688   const SettingDesc *setting;
    00689   uint index;
    00690 };
    00691
    00693 enum RestrictionMode {
    00694   RM_BASIC,
    00695   RM_ADVANCED,
    00696   RM_ALL,
    00697   RM_CHANGED_AGAINST_DEFAULT,
    00698   RM_CHANGED_AGAINST_NEW,
    00699   RM_END,
    00700 };
    00701 DECLARE_POSTFIX_INCREMENT(RestrictionMode)
    00702
    00703
    00704 struct SettingFilter {
    00705   StringFilter string;
    00706   RestrictionMode min_cat;
    00707   bool type_hides;
    00708   RestrictionMode mode;
    00709   SettingType type;
    00710 };
    00711
    00713 struct SettingEntry {
    00714   byte flags;
    00715   byte level;
    00716   union {
    00717     SettingEntrySetting entry;
    00718     SettingEntrySubtree sub;
    00719   } d;
    00720
    00721   SettingEntry(const char *nm);
    00722   SettingEntry(SettingsPage *sub, StringID title);
    00723
    00724   void Init(byte level);
    00725   void FoldAll();
    00726   void UnFoldAll();
    00727   void SetButtons(byte new_val);
    00728
    00733   void SetLastField(bool last_field) { if (last_field) SETBITS(this->flags, SEF_LAST_FIELD); else CLRBITS(this->flags, SEF_LAST_FIELD); }
    00734
    00735   uint Length() const;
    00736   void GetFoldingState(bool &all_folded, bool &all_unfolded) const;
    00737   bool IsVisible(const SettingEntry *item) const;
    00738   SettingEntry *FindEntry(uint row, uint *cur_row);
    00739   uint GetMaxHelpHeight(int maxw);
    00740
    00741   bool IsFiltered() const;
    00742   bool UpdateFilterState(SettingFilter &filter, bool force_visible);
    00743
    00744   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);
    00745
    00750   inline StringID GetHelpText()
    00751   {
    00752     assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    00753     return this->d.entry.setting->desc.str_help;
    00754   }
    00755
    00756   void SetValueDParams(uint first_param, int32 value);
    00757
    00758 private:
    00759   void DrawSetting(GameSettings *settings_ptr, int x, int y, int max_x, int state, bool highlight);
    00760   bool IsVisibleByRestrictionMode(RestrictionMode mode) const;
    00761 };
    00762
    00764 struct SettingsPage {
    00765   SettingEntry *entries;
    00766   byte num;
    00767
    00768   void Init(byte level = 0);
    00769   void FoldAll();
    00770   void UnFoldAll();
    00771
    00772   uint Length() const;
    00773   void GetFoldingState(bool &all_folded, bool &all_unfolded) const;
    00774   bool IsVisible(const SettingEntry *item) const;
    00775   SettingEntry *FindEntry(uint row, uint *cur_row) const;
    00776   uint GetMaxHelpHeight(int maxw);
    00777
    00778   bool UpdateFilterState(SettingFilter &filter, bool force_visible);
    00779
    00780   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;
    00781 };
    00782
    00783
    00784 /* == SettingEntry methods == */
    00785
    00790 SettingEntry::SettingEntry(const char *nm)
    00791 {
    00792   this->flags = SEF_SETTING_KIND;
    00793   this->level = 0;
    00794   this->d.entry.name = nm;
    00795   this->d.entry.setting = NULL;
    00796   this->d.entry.index = 0;
    00797 }
    00798
    00804 SettingEntry::SettingEntry(SettingsPage *sub, StringID title)
    00805 {
    00806   this->flags = SEF_SUBTREE_KIND;
    00807   this->level = 0;
    00808   this->d.sub.page = sub;
    00809   this->d.sub.folded = true;
    00810   this->d.sub.title = title;
    00811 }
    00812
    00817 void SettingEntry::Init(byte level)
    00818 {
    00819   this->level = level;
    00820
    00821   switch (this->flags & SEF_KIND_MASK) {
    00822     case SEF_SETTING_KIND:
    00823       this->d.entry.setting = GetSettingFromName(this->d.entry.name, &this->d.entry.index);
    00824       assert(this->d.entry.setting != NULL);
    00825       break;
    00826     case SEF_SUBTREE_KIND:
    00827       this->d.sub.page->Init(level + 1);
    00828       break;
    00829     default: NOT_REACHED();
    00830   }
    00831 }
    00832
    00834 void SettingEntry::FoldAll()
    00835 {
    00836   if (this->IsFiltered()) return;
    00837   switch (this->flags & SEF_KIND_MASK) {
    00838     case SEF_SETTING_KIND:
    00839       break;
    00840
    00841     case SEF_SUBTREE_KIND:
    00842       this->d.sub.folded = true;
    00843       this->d.sub.page->FoldAll();
    00844       break;
    00845
    00846     default: NOT_REACHED();
    00847   }
    00848 }
    00849
    00851 void SettingEntry::UnFoldAll()
    00852 {
    00853   if (this->IsFiltered()) return;
    00854   switch (this->flags & SEF_KIND_MASK) {
    00855     case SEF_SETTING_KIND:
    00856       break;
    00857
    00858     case SEF_SUBTREE_KIND:
    00859       this->d.sub.folded = false;
    00860       this->d.sub.page->UnFoldAll();
    00861       break;
    00862
    00863     default: NOT_REACHED();
    00864   }
    00865 }
    00866
    00872 void SettingEntry::GetFoldingState(bool &all_folded, bool &all_unfolded) const
    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       if (this->d.sub.folded) {
    00881         all_unfolded = false;
    00882       } else {
    00883         all_folded = false;
    00884       }
    00885       this->d.sub.page->GetFoldingState(all_folded, all_unfolded);
    00886       break;
    00887
    00888     default: NOT_REACHED();
    00889   }
    00890 }
    00891
    00898 bool SettingEntry::IsVisible(const SettingEntry *item) const
    00899 {
    00900   if (this->IsFiltered()) return false;
    00901   if (this == item) return true;
    00902
    00903   switch (this->flags & SEF_KIND_MASK) {
    00904     case SEF_SETTING_KIND:
    00905       return false;
    00906
    00907     case SEF_SUBTREE_KIND:
    00908       return !this->d.sub.folded && this->d.sub.page->IsVisible(item);
    00909
    00910     default: NOT_REACHED();
    00911   }
    00912 }
    00913
    00919 void SettingEntry::SetButtons(byte new_val)
    00920 {
    00921   assert((new_val & ~SEF_BUTTONS_MASK) == 0); // Should not touch any flags outside the buttons
    00922   this->flags = (this->flags & ~SEF_BUTTONS_MASK) | new_val;
    00923 }
    00924
    00926 uint SettingEntry::Length() const
    00927 {
    00928   if (this->IsFiltered()) return 0;
    00929   switch (this->flags & SEF_KIND_MASK) {
    00930     case SEF_SETTING_KIND:
    00931       return 1;
    00932     case SEF_SUBTREE_KIND:
    00933       if (this->d.sub.folded) return 1; // Only displaying the title
    00934
    00935       return 1 + this->d.sub.page->Length(); // 1 extra row for the title
    00936     default: NOT_REACHED();
    00937   }
    00938 }
    00939
    00946 SettingEntry *SettingEntry::FindEntry(uint row_num, uint *cur_row)
    00947 {
    00948   if (this->IsFiltered()) return NULL;
    00949   if (row_num == *cur_row) return this;
    00950
    00951   switch (this->flags & SEF_KIND_MASK) {
    00952     case SEF_SETTING_KIND:
    00953       (*cur_row)++;
    00954       break;
    00955     case SEF_SUBTREE_KIND:
    00956       (*cur_row)++; // add one for row containing the title
    00957       if (this->d.sub.folded) {
    00958         break;
    00959       }
    00960
    00961       /* sub-page is visible => search it too */
    00962       return this->d.sub.page->FindEntry(row_num, cur_row);
    00963     default: NOT_REACHED();
    00964   }
    00965   return NULL;
    00966 }
    00967
    00973 uint SettingEntry::GetMaxHelpHeight(int maxw)
    00974 {
    00975   switch (this->flags & SEF_KIND_MASK) {
    00976     case SEF_SETTING_KIND: return GetStringHeight(this->GetHelpText(), maxw);
    00977     case SEF_SUBTREE_KIND: return this->d.sub.page->GetMaxHelpHeight(maxw);
    00978     default:               NOT_REACHED();
    00979   }
    00980 }
    00981
    00986 bool SettingEntry::IsFiltered() const
    00987 {
    00988   return (this->flags & SEF_FILTERED) != 0;
    00989 }
    00990
    00996 bool SettingEntry::IsVisibleByRestrictionMode(RestrictionMode mode) const
    00997 {
    00998   /* There shall not be any restriction, i.e. all settings shall be visible. */
    00999   if (mode == RM_ALL) return true;
    01000
    01001   GameSettings *settings_ptr = &GetGameSettings();
    01002   assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01003   const SettingDesc *sd = this->d.entry.setting;
    01004
    01005   if (mode == RM_BASIC) return (this->d.entry.setting->desc.cat & SC_BASIC_LIST) != 0;
    01006   if (mode == RM_ADVANCED) return (this->d.entry.setting->desc.cat & SC_ADVANCED_LIST) != 0;
    01007
    01008   /* Read the current value. */
    01009   const void *var = ResolveVariableAddress(settings_ptr, sd);
    01010   int64 current_value = ReadValue(var, sd->save.conv);
    01011
    01012   int64 filter_value;
    01013
    01014   if (mode == RM_CHANGED_AGAINST_DEFAULT) {
    01015     /* This entry shall only be visible, if the value deviates from its default value. */
    01016
    01017     /* Read the default value. */
    01018     filter_value = ReadValue(&sd->desc.def, sd->save.conv);
    01019   } else {
    01020     assert(mode == RM_CHANGED_AGAINST_NEW);
    01021     /* This entry shall only be visible, if the value deviates from
    01022      * its value is used when starting a new game. */
    01023
    01024     /* Make sure we're not comparing the new game settings against itself. */
    01025     assert(settings_ptr != &_settings_newgame);
    01026
    01027     /* Read the new game's value. */
    01028     var = ResolveVariableAddress(&_settings_newgame, sd);
    01029     filter_value = ReadValue(var, sd->save.conv);
    01030   }
    01031
    01032   return current_value != filter_value;
    01033 }
    01034
    01041 bool SettingEntry::UpdateFilterState(SettingFilter &filter, bool force_visible)
    01042 {
    01043   CLRBITS(this->flags, SEF_FILTERED);
    01044
    01045   bool visible = true;
    01046   switch (this->flags & SEF_KIND_MASK) {
    01047     case SEF_SETTING_KIND: {
    01048       const SettingDesc *sd = this->d.entry.setting;
    01049       if (!force_visible && !filter.string.IsEmpty()) {
    01050         /* Process the search text filter for this item. */
    01051         filter.string.ResetState();
    01052
    01053         const SettingDescBase *sdb = &sd->desc;
    01054
    01055         SetDParam(0, STR_EMPTY);
    01056         filter.string.AddLine(sdb->str);
    01057         filter.string.AddLine(this->GetHelpText());
    01058
    01059         visible = filter.string.GetState();
    01060       }
    01061       if (visible) {
    01062         if (filter.type != ST_ALL && sd->GetType() != filter.type) {
    01063           filter.type_hides = true;
    01064           visible = false;
    01065         }
    01066         if (!this->IsVisibleByRestrictionMode(filter.mode)) {
    01067           while (filter.min_cat < RM_ALL && (filter.min_cat == filter.mode || !this->IsVisibleByRestrictionMode(filter.min_cat))) filter.min_cat++;
    01068           visible = false;
    01069         }
    01070       }
    01071       break;
    01072     }
    01073     case SEF_SUBTREE_KIND: {
    01074       if (!force_visible && !filter.string.IsEmpty()) {
    01075         filter.string.ResetState();
    01076         filter.string.AddLine(this->d.sub.title);
    01077         force_visible = filter.string.GetState();
    01078       }
    01079       visible = this->d.sub.page->UpdateFilterState(filter, force_visible);
    01080       break;
    01081     }
    01082     default: NOT_REACHED();
    01083   }
    01084
    01085   if (!visible) SETBITS(this->flags, SEF_FILTERED);
    01086   return visible;
    01087 }
    01088
    01089
    01090
    01118 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)
    01119 {
    01120   if (this->IsFiltered()) return cur_row;
    01121   if (cur_row >= max_row) return cur_row;
    01122
    01123   bool rtl = _current_text_dir == TD_RTL;
    01124   int offset = rtl ? -4 : 4;
    01125   int level_width = rtl ? -LEVEL_WIDTH : LEVEL_WIDTH;
    01126
    01127   int x = rtl ? right : left;
    01128   int y = base_y;
    01129   if (cur_row >= first_row) {
    01130     int colour = _colour_gradient[COLOUR_ORANGE][4];
    01131     y = base_y + (cur_row - first_row) * SETTING_HEIGHT; // Compute correct y start position
    01132
    01133     /* Draw vertical for parent nesting levels */
    01134     for (uint lvl = 0; lvl < this->level; lvl++) {
    01135       if (!HasBit(parent_last, lvl)) GfxDrawLine(x + offset, y, x + offset, y + SETTING_HEIGHT - 1, colour);
    01136       x += level_width;
    01137     }
    01138     /* draw own |- prefix */
    01139     int halfway_y = y + SETTING_HEIGHT / 2;
    01140     int bottom_y = (flags & SEF_LAST_FIELD) ? halfway_y : y + SETTING_HEIGHT - 1;
    01141     GfxDrawLine(x + offset, y, x + offset, bottom_y, colour);
    01142     /* Small horizontal line from the last vertical line */
    01143     GfxDrawLine(x + offset, halfway_y, x + level_width - offset, halfway_y, colour);
    01144     x += level_width;
    01145   }
    01146
    01147   switch (this->flags & SEF_KIND_MASK) {
    01148     case SEF_SETTING_KIND:
    01149       if (cur_row >= first_row) {
    01150         this->DrawSetting(settings_ptr, rtl ? left : x, rtl ? x : right, y, this->flags & SEF_BUTTONS_MASK,
    01151             this == selected);
    01152       }
    01153       cur_row++;
    01154       break;
    01155     case SEF_SUBTREE_KIND:
    01156       if (cur_row >= first_row) {
    01157         DrawSprite((this->d.sub.folded ? SPR_CIRCLE_FOLDED : SPR_CIRCLE_UNFOLDED), PAL_NONE, rtl ? x - 8 : x, y + (SETTING_HEIGHT - 11) / 2);
    01158         DrawString(rtl ? left : x + 12, rtl ? x - 12 : right, y, this->d.sub.title);
    01159       }
    01160       cur_row++;
    01161       if (!this->d.sub.folded) {
    01162         if (this->flags & SEF_LAST_FIELD) {
    01163           assert(this->level < sizeof(parent_last));
    01164           SetBit(parent_last, this->level); // Add own last-field state
    01165         }
    01166
    01167         cur_row = this->d.sub.page->Draw(settings_ptr, left, right, base_y, first_row, max_row, selected, cur_row, parent_last);
    01168       }
    01169       break;
    01170     default: NOT_REACHED();
    01171   }
    01172   return cur_row;
    01173 }
    01174
    01175 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd)
    01176 {
    01177   if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    01178     if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
    01179       return GetVariableAddress(&Company::Get(_local_company)->settings, &sd->save);
    01180     } else {
    01181       return GetVariableAddress(&_settings_client.company, &sd->save);
    01182     }
    01183   } else {
    01184     return GetVariableAddress(settings_ptr, &sd->save);
    01185   }
    01186 }
    01187
    01193 void SettingEntry::SetValueDParams(uint first_param, int32 value)
    01194 {
    01195   assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01196   const SettingDescBase *sdb = &this->d.entry.setting->desc;
    01197   if (sdb->cmd == SDT_BOOLX) {
    01198     SetDParam(first_param++, value != 0 ? STR_CONFIG_SETTING_ON : STR_CONFIG_SETTING_OFF);
    01199   } else {
    01200     if ((sdb->flags & SGF_MULTISTRING) != 0) {
    01201       SetDParam(first_param++, sdb->str_val - sdb->min + value);
    01202     } else if ((sdb->flags & SGF_DISPLAY_ABS) != 0) {
    01203       SetDParam(first_param++, sdb->str_val + ((value >= 0) ? 1 : 0));
    01204       value = abs(value);
    01205     } else {
    01206       SetDParam(first_param++, sdb->str_val + ((value == 0 && (sdb->flags & SGF_0ISDISABLED) != 0) ? 1 : 0));
    01207     }
    01208     SetDParam(first_param++, value);
    01209   }
    01210 }
    01211
    01221 void SettingEntry::DrawSetting(GameSettings *settings_ptr, int left, int right, int y, int state, bool highlight)
    01222 {
    01223   const SettingDesc *sd = this->d.entry.setting;
    01224   const SettingDescBase *sdb = &sd->desc;
    01225   const void *var = ResolveVariableAddress(settings_ptr, sd);
    01226
    01227   bool rtl = _current_text_dir == TD_RTL;
    01228   uint buttons_left = rtl ? right + 1 - SETTING_BUTTON_WIDTH : left;
    01229   uint text_left  = left + (rtl ? 0 : SETTING_BUTTON_WIDTH + 5);
    01230   uint text_right = right - (rtl ? SETTING_BUTTON_WIDTH + 5 : 0);
    01231   uint button_y = y + (SETTING_HEIGHT - SETTING_BUTTON_HEIGHT) / 2;
    01232
    01233   /* We do not allow changes of some items when we are a client in a networkgame */
    01234   bool editable = sd->IsEditable();
    01235
    01236   SetDParam(0, highlight ? STR_ORANGE_STRING1_WHITE : STR_ORANGE_STRING1_LTBLUE);
    01237   int32 value = (int32)ReadValue(var, sd->save.conv);
    01238   if (sdb->cmd == SDT_BOOLX) {
    01239     /* Draw checkbox for boolean-value either on/off */
    01240     DrawBoolButton(buttons_left, button_y, value != 0, editable);
    01241   } else if ((sdb->flags & SGF_MULTISTRING) != 0) {
    01242     /* Draw [v] button for settings of an enum-type */
    01243     DrawDropDownButton(buttons_left, button_y, COLOUR_YELLOW, state != 0, editable);
    01244   } else {
    01245     /* Draw [<][>] boxes for settings of an integer-type */
    01246     DrawArrowButtons(buttons_left, button_y, COLOUR_YELLOW, state,
    01247         editable && value != (sdb->flags & SGF_0ISDISABLED ? 0 : sdb->min), editable && (uint32)value != sdb->max);
    01248   }
    01249   this->SetValueDParams(1, value);
    01250   DrawString(text_left, text_right, y, sdb->str, highlight ? TC_WHITE : TC_LIGHT_BLUE);
    01251 }
    01252
    01253
    01254 /* == SettingsPage methods == */
    01255
    01260 void SettingsPage::Init(byte level)
    01261 {
    01262   for (uint field = 0; field < this->num; field++) {
    01263     this->entries[field].Init(level);
    01264   }
    01265 }
    01266
    01268 void SettingsPage::FoldAll()
    01269 {
    01270   for (uint field = 0; field < this->num; field++) {
    01271     this->entries[field].FoldAll();
    01272   }
    01273 }
    01274
    01276 void SettingsPage::UnFoldAll()
    01277 {
    01278   for (uint field = 0; field < this->num; field++) {
    01279     this->entries[field].UnFoldAll();
    01280   }
    01281 }
    01282
    01288 void SettingsPage::GetFoldingState(bool &all_folded, bool &all_unfolded) const
    01289 {
    01290   for (uint field = 0; field < this->num; field++) {
    01291     this->entries[field].GetFoldingState(all_folded, all_unfolded);
    01292   }
    01293 }
    01294
    01301 bool SettingsPage::UpdateFilterState(SettingFilter &filter, bool force_visible)
    01302 {
    01303   bool visible = false;
    01304   bool first_visible = true;
    01305   for (int field = this->num - 1; field >= 0; field--) {
    01306     visible |= this->entries[field].UpdateFilterState(filter, force_visible);
    01307     this->entries[field].SetLastField(first_visible);
    01308     if (visible && first_visible) first_visible = false;
    01309   }
    01310   return visible;
    01311 }
    01312
    01313
    01320 bool SettingsPage::IsVisible(const SettingEntry *item) const
    01321 {
    01322   for (uint field = 0; field < this->num; field++) {
    01323     if (this->entries[field].IsVisible(item)) return true;
    01324   }
    01325   return false;
    01326 }
    01327
    01329 uint SettingsPage::Length() const
    01330 {
    01331   uint length = 0;
    01332   for (uint field = 0; field < this->num; field++) {
    01333     length += this->entries[field].Length();
    01334   }
    01335   return length;
    01336 }
    01337
    01344 SettingEntry *SettingsPage::FindEntry(uint row_num, uint *cur_row) const
    01345 {
    01346   SettingEntry *pe = NULL;
    01347
    01348   for (uint field = 0; field < this->num; field++) {
    01349     pe = this->entries[field].FindEntry(row_num, cur_row);
    01350     if (pe != NULL) {
    01351       break;
    01352     }
    01353   }
    01354   return pe;
    01355 }
    01356
    01362 uint SettingsPage::GetMaxHelpHeight(int maxw)
    01363 {
    01364   uint biggest = 0;
    01365   for (uint field = 0; field < this->num; field++) {
    01366     biggest = max(biggest, this->entries[field].GetMaxHelpHeight(maxw));
    01367   }
    01368   return biggest;
    01369 }
    01370
    01389 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
    01390 {
    01391   if (cur_row >= max_row) return cur_row;
    01392
    01393   for (uint i = 0; i < this->num; i++) {
    01394     cur_row = this->entries[i].Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last, selected);
    01395     if (cur_row >= max_row) {
    01396       break;
    01397     }
    01398   }
    01399   return cur_row;
    01400 }
    01401
    01402
    01403 static SettingEntry _settings_ui_localisation[] = {
    01404   SettingEntry("locale.units_velocity"),
    01405   SettingEntry("locale.units_power"),
    01406   SettingEntry("locale.units_weight"),
    01407   SettingEntry("locale.units_volume"),
    01408   SettingEntry("locale.units_force"),
    01409   SettingEntry("locale.units_height"),
    01410 };
    01412 static SettingsPage _settings_ui_localisation_page = {_settings_ui_localisation, lengthof(_settings_ui_localisation)};
    01413
    01414 static SettingEntry _settings_ui_display[] = {
    01415   SettingEntry("gui.date_format_in_default_names"),
    01416   SettingEntry("gui.population_in_label"),
    01417   SettingEntry("gui.measure_tooltip"),
    01418   SettingEntry("gui.loading_indicators"),
    01419   SettingEntry("gui.liveries"),
    01420   SettingEntry("gui.show_track_reservation"),
    01421   SettingEntry("gui.expenses_layout"),
    01422   SettingEntry("gui.smallmap_land_colour"),
    01423   SettingEntry("gui.zoom_min"),
    01424   SettingEntry("gui.zoom_max"),
    01425   SettingEntry("gui.graph_line_thickness"),
    01426 };
    01428 static SettingsPage _settings_ui_display_page = {_settings_ui_display, lengthof(_settings_ui_display)};
    01429
    01430 static SettingEntry _settings_ui_interaction[] = {
    01431   SettingEntry("gui.window_snap_radius"),
    01432   SettingEntry("gui.window_soft_limit"),
    01433   SettingEntry("gui.link_terraform_toolbar"),
    01434   SettingEntry("gui.prefer_teamchat"),
    01435   SettingEntry("gui.auto_scrolling"),
    01436   SettingEntry("gui.reverse_scroll"),
    01437   SettingEntry("gui.smooth_scroll"),
    01438   SettingEntry("gui.left_mouse_btn_scrolling"),
    01439   /* While the horizontal scrollwheel scrolling is written as general code, only
    01440    *  the cocoa (OSX) driver generates input for it.
    01441    *  Since it's also able to completely disable the scrollwheel will we display it on all platforms anyway */
    01442   SettingEntry("gui.scrollwheel_scrolling"),
    01443   SettingEntry("gui.scrollwheel_multiplier"),
    01444   SettingEntry("gui.osk_activation"),
    01445 #ifdef __APPLE__
    01446   /* We might need to emulate a right mouse button on mac */
    01447   SettingEntry("gui.right_mouse_btn_emulation"),
    01448 #endif
    01449 };
    01451 static SettingsPage _settings_ui_interaction_page = {_settings_ui_interaction, lengthof(_settings_ui_interaction)};
    01452
    01453 static SettingEntry _settings_ui_sound[] = {
    01454   SettingEntry("sound.click_beep"),
    01455   SettingEntry("sound.confirm"),
    01456   SettingEntry("sound.news_ticker"),
    01457   SettingEntry("sound.news_full"),
    01458   SettingEntry("sound.new_year"),
    01459   SettingEntry("sound.disaster"),
    01460   SettingEntry("sound.vehicle"),
    01461   SettingEntry("sound.ambient"),
    01462 };
    01464 static SettingsPage _settings_ui_sound_page = {_settings_ui_sound, lengthof(_settings_ui_sound)};
    01465
    01466 static SettingEntry _settings_ui_news[] = {
    01467   SettingEntry("news_display.arrival_player"),
    01468   SettingEntry("news_display.arrival_other"),
    01469   SettingEntry("news_display.accident"),
    01470   SettingEntry("news_display.company_info"),
    01471   SettingEntry("news_display.open"),
    01472   SettingEntry("news_display.close"),
    01473   SettingEntry("news_display.economy"),
    01474   SettingEntry("news_display.production_player"),
    01475   SettingEntry("news_display.production_other"),
    01476   SettingEntry("news_display.production_nobody"),
    01477   SettingEntry("news_display.advice"),
    01478   SettingEntry("news_display.new_vehicles"),
    01479   SettingEntry("news_display.acceptance"),
    01480   SettingEntry("news_display.subsidies"),
    01481   SettingEntry("news_display.general"),
    01482   SettingEntry("gui.coloured_news_year"),
    01483 };
    01485 static SettingsPage _settings_ui_news_page = {_settings_ui_news, lengthof(_settings_ui_news)};
    01486
    01487 static SettingEntry _settings_ui[] = {
    01488   SettingEntry(&_settings_ui_localisation_page, STR_CONFIG_SETTING_LOCALISATION),
    01489   SettingEntry(&_settings_ui_display_page, STR_CONFIG_SETTING_DISPLAY_OPTIONS),
    01490   SettingEntry(&_settings_ui_interaction_page, STR_CONFIG_SETTING_INTERACTION),
    01491   SettingEntry(&_settings_ui_sound_page, STR_CONFIG_SETTING_SOUND),
    01492   SettingEntry(&_settings_ui_news_page, STR_CONFIG_SETTING_NEWS),
    01493   SettingEntry("gui.show_finances"),
    01494   SettingEntry("gui.errmsg_duration"),
    01495   SettingEntry("gui.hover_delay"),
    01496   SettingEntry("gui.toolbar_pos"),
    01497   SettingEntry("gui.statusbar_pos"),
    01498   SettingEntry("gui.newgrf_default_palette"),
    01499   SettingEntry("gui.pause_on_newgame"),
    01500   SettingEntry("gui.advanced_vehicle_list"),
    01501   SettingEntry("gui.timetable_in_ticks"),
    01502   SettingEntry("gui.timetable_arrival_departure"),
    01503   SettingEntry("gui.quick_goto"),
    01504   SettingEntry("gui.default_rail_type"),
    01505   SettingEntry("gui.disable_unsuitable_building"),
    01506   SettingEntry("gui.persistent_buildingtools"),
    01507 };
    01509 static SettingsPage _settings_ui_page = {_settings_ui, lengthof(_settings_ui)};
    01510
    01511 static SettingEntry _settings_construction_signals[] = {
    01512   SettingEntry("construction.train_signal_side"),
    01513   SettingEntry("gui.enable_signal_gui"),
    01514   SettingEntry("gui.drag_signals_fixed_distance"),
    01515   SettingEntry("gui.semaphore_build_before"),
    01516   SettingEntry("gui.default_signal_type"),
    01517   SettingEntry("gui.cycle_signal_types"),
    01518 };
    01520 static SettingsPage _settings_construction_signals_page = {_settings_construction_signals, lengthof(_settings_construction_signals)};
    01521
    01522 static SettingEntry _settings_construction[] = {
    01523   SettingEntry(&_settings_construction_signals_page, STR_CONFIG_SETTING_CONSTRUCTION_SIGNALS),
    01524   SettingEntry("construction.build_on_slopes"),
    01525   SettingEntry("construction.autoslope"),
    01526   SettingEntry("construction.extra_dynamite"),
    01527   SettingEntry("construction.max_bridge_length"),
    01528   SettingEntry("construction.max_tunnel_length"),
    01529   SettingEntry("station.never_expire_airports"),
    01530   SettingEntry("construction.freeform_edges"),
    01531   SettingEntry("construction.extra_tree_placement"),
    01532   SettingEntry("construction.command_pause_level"),
    01533 };
    01535 static SettingsPage _settings_construction_page = {_settings_construction, lengthof(_settings_construction)};
    01536
    01537 static SettingEntry _settings_stations_cargo[] = {
    01538   SettingEntry("order.improved_load"),
    01539   SettingEntry("order.gradual_loading"),
    01540   SettingEntry("order.selectgoods"),
    01541 };
    01543 static SettingsPage _settings_stations_cargo_page = {_settings_stations_cargo, lengthof(_settings_stations_cargo)};
    01544
    01545 static SettingEntry _settings_stations[] = {
    01546   SettingEntry(&_settings_stations_cargo_page, STR_CONFIG_SETTING_STATIONS_CARGOHANDLING),
    01547   SettingEntry("station.adjacent_stations"),
    01548   SettingEntry("station.distant_join_stations"),
    01549   SettingEntry("station.station_spread"),
    01550   SettingEntry("economy.station_noise_level"),
    01551   SettingEntry("station.modified_catchment"),
    01552   SettingEntry("construction.road_stop_on_town_road"),
    01553   SettingEntry("construction.road_stop_on_competitor_road"),
    01554 };
    01556 static SettingsPage _settings_stations_page = {_settings_stations, lengthof(_settings_stations)};
    01557
    01558 static SettingEntry _settings_economy_towns[] = {
    01559   SettingEntry("difficulty.town_council_tolerance"),
    01560   SettingEntry("economy.bribe"),
    01561   SettingEntry("economy.exclusive_rights"),
    01562   SettingEntry("economy.fund_roads"),
    01563   SettingEntry("economy.fund_buildings"),
    01564   SettingEntry("economy.town_layout"),
    01565   SettingEntry("economy.allow_town_roads"),
    01566   SettingEntry("economy.allow_town_level_crossings"),
    01567   SettingEntry("economy.found_town"),
    01568   SettingEntry("economy.mod_road_rebuild"),
    01569   SettingEntry("economy.town_growth_rate"),
    01570   SettingEntry("economy.larger_towns"),
    01571   SettingEntry("economy.initial_city_size"),
    01572 };
    01574 static SettingsPage _settings_economy_towns_page = {_settings_economy_towns, lengthof(_settings_economy_towns)};
    01575
    01576 static SettingEntry _settings_economy_industries[] = {
    01577   SettingEntry("construction.raw_industry_construction"),
    01578   SettingEntry("construction.industry_platform"),
    01579   SettingEntry("economy.multiple_industry_per_town"),
    01580   SettingEntry("game_creation.oil_refinery_limit"),
    01581 };
    01583 static SettingsPage _settings_economy_industries_page = {_settings_economy_industries, lengthof(_settings_economy_industries)};
    01584
    01585
    01586 static SettingEntry _settings_economy[] = {
    01587   SettingEntry(&_settings_economy_towns_page, STR_CONFIG_SETTING_ECONOMY_TOWNS),
    01588   SettingEntry(&_settings_economy_industries_page, STR_CONFIG_SETTING_ECONOMY_INDUSTRIES),
    01589   SettingEntry("economy.inflation"),
    01590   SettingEntry("difficulty.initial_interest"),
    01591   SettingEntry("difficulty.max_loan"),
    01592   SettingEntry("difficulty.subsidy_multiplier"),
    01593   SettingEntry("difficulty.economy"),
    01594   SettingEntry("economy.smooth_economy"),
    01595   SettingEntry("economy.feeder_payment_share"),
    01596   SettingEntry("economy.infrastructure_maintenance"),
    01597   SettingEntry("difficulty.vehicle_costs"),
    01598   SettingEntry("difficulty.construction_cost"),
    01599   SettingEntry("difficulty.disasters"),
    01600 };
    01602 static SettingsPage _settings_economy_page = {_settings_economy, lengthof(_settings_economy)};
    01603
    01604 static SettingEntry _settings_linkgraph[] = {
    01605   SettingEntry("linkgraph.recalc_time"),
    01606   SettingEntry("linkgraph.recalc_interval"),
    01607   SettingEntry("linkgraph.distribution_pax"),
    01608   SettingEntry("linkgraph.distribution_mail"),
    01609   SettingEntry("linkgraph.distribution_armoured"),
    01610   SettingEntry("linkgraph.distribution_default"),
    01611   SettingEntry("linkgraph.accuracy"),
    01612   SettingEntry("linkgraph.demand_distance"),
    01613   SettingEntry("linkgraph.demand_size"),
    01614   SettingEntry("linkgraph.short_path_saturation"),
    01615 };
    01617 static SettingsPage _settings_linkgraph_page = {_settings_linkgraph, lengthof(_settings_linkgraph)};
    01618
    01619 static SettingEntry _settings_ai_npc[] = {
    01620   SettingEntry("script.settings_profile"),
    01621   SettingEntry("script.script_max_opcode_till_suspend"),
    01622   SettingEntry("difficulty.competitor_speed"),
    01623   SettingEntry("ai.ai_in_multiplayer"),
    01624   SettingEntry("ai.ai_disable_veh_train"),
    01625   SettingEntry("ai.ai_disable_veh_roadveh"),
    01626   SettingEntry("ai.ai_disable_veh_aircraft"),
    01627   SettingEntry("ai.ai_disable_veh_ship"),
    01628 };
    01630 static SettingsPage _settings_ai_npc_page = {_settings_ai_npc, lengthof(_settings_ai_npc)};
    01631
    01632 static SettingEntry _settings_ai[] = {
    01633   SettingEntry(&_settings_ai_npc_page, STR_CONFIG_SETTING_AI_NPC),
    01634   SettingEntry("economy.give_money"),
    01635   SettingEntry("economy.allow_shares"),
    01636 };
    01638 static SettingsPage _settings_ai_page = {_settings_ai, lengthof(_settings_ai)};
    01639
    01640 static SettingEntry _settings_vehicles_routing[] = {
    01641   SettingEntry("pf.pathfinder_for_trains"),
    01642   SettingEntry("pf.forbid_90_deg"),
    01643   SettingEntry("pf.pathfinder_for_roadvehs"),
    01644   SettingEntry("pf.roadveh_queue"),
    01645   SettingEntry("pf.pathfinder_for_ships"),
    01646 };
    01648 static SettingsPage _settings_vehicles_routing_page = {_settings_vehicles_routing, lengthof(_settings_vehicles_routing)};
    01649
    01650 static SettingEntry _settings_vehicles_autorenew[] = {
    01651   SettingEntry("company.engine_renew"),
    01652   SettingEntry("company.engine_renew_months"),
    01653   SettingEntry("company.engine_renew_money"),
    01654 };
    01656 static SettingsPage _settings_vehicles_autorenew_page = {_settings_vehicles_autorenew, lengthof(_settings_vehicles_autorenew)};
    01657
    01658 static SettingEntry _settings_vehicles_servicing[] = {
    01659   SettingEntry("vehicle.servint_ispercent"),
    01660   SettingEntry("vehicle.servint_trains"),
    01661   SettingEntry("vehicle.servint_roadveh"),
    01662   SettingEntry("vehicle.servint_ships"),
    01663   SettingEntry("vehicle.servint_aircraft"),
    01664   SettingEntry("difficulty.vehicle_breakdowns"),
    01665   SettingEntry("order.no_servicing_if_no_breakdowns"),
    01666   SettingEntry("order.serviceathelipad"),
    01667 };
    01669 static SettingsPage _settings_vehicles_servicing_page = {_settings_vehicles_servicing, lengthof(_settings_vehicles_servicing)};
    01670
    01671 static SettingEntry _settings_vehicles_trains[] = {
    01672   SettingEntry("difficulty.line_reverse_mode"),
    01673   SettingEntry("pf.reverse_at_signals"),
    01674   SettingEntry("vehicle.train_acceleration_model"),
    01675   SettingEntry("vehicle.train_slope_steepness"),
    01676   SettingEntry("vehicle.max_train_length"),
    01677   SettingEntry("vehicle.wagon_speed_limits"),
    01678   SettingEntry("vehicle.disable_elrails"),
    01679   SettingEntry("vehicle.freight_trains"),
    01680   SettingEntry("gui.stop_location"),
    01681 };
    01683 static SettingsPage _settings_vehicles_trains_page = {_settings_vehicles_trains, lengthof(_settings_vehicles_trains)};
    01684
    01685 static SettingEntry _settings_vehicles[] = {
    01686   SettingEntry(&_settings_vehicles_routing_page, STR_CONFIG_SETTING_VEHICLES_ROUTING),
    01687   SettingEntry(&_settings_vehicles_autorenew_page, STR_CONFIG_SETTING_VEHICLES_AUTORENEW),
    01688   SettingEntry(&_settings_vehicles_servicing_page, STR_CONFIG_SETTING_VEHICLES_SERVICING),
    01689   SettingEntry(&_settings_vehicles_trains_page, STR_CONFIG_SETTING_VEHICLES_TRAINS),
    01690   SettingEntry("gui.new_nonstop"),
    01691   SettingEntry("gui.order_review_system"),
    01692   SettingEntry("gui.vehicle_income_warn"),
    01693   SettingEntry("gui.lost_vehicle_warn"),
    01694   SettingEntry("vehicle.never_expire_vehicles"),
    01695   SettingEntry("vehicle.max_trains"),
    01696   SettingEntry("vehicle.max_roadveh"),
    01697   SettingEntry("vehicle.max_aircraft"),
    01698   SettingEntry("vehicle.max_ships"),
    01699   SettingEntry("vehicle.plane_speed"),
    01700   SettingEntry("vehicle.plane_crashes"),
    01701   SettingEntry("vehicle.dynamic_engines"),
    01702   SettingEntry("vehicle.roadveh_acceleration_model"),
    01703   SettingEntry("vehicle.roadveh_slope_steepness"),
    01704   SettingEntry("vehicle.smoke_amount"),
    01705 };
    01707 static SettingsPage _settings_vehicles_page = {_settings_vehicles, lengthof(_settings_vehicles)};
    01708
    01709 static SettingEntry _settings_main[] = {
    01710   SettingEntry(&_settings_ui_page,           STR_CONFIG_SETTING_GUI),
    01711   SettingEntry(&_settings_construction_page, STR_CONFIG_SETTING_CONSTRUCTION),
    01712   SettingEntry(&_settings_vehicles_page,     STR_CONFIG_SETTING_VEHICLES),
    01713   SettingEntry(&_settings_stations_page,     STR_CONFIG_SETTING_STATIONS),
    01714   SettingEntry(&_settings_economy_page,      STR_CONFIG_SETTING_ECONOMY),
    01715   SettingEntry(&_settings_linkgraph_page,    STR_CONFIG_SETTING_LINKGRAPH),
    01716   SettingEntry(&_settings_ai_page,           STR_CONFIG_SETTING_AI),
    01717 };
    01718
    01720 static SettingsPage _settings_main_page = {_settings_main, lengthof(_settings_main)};
    01721
    01722 static const StringID _game_settings_restrict_dropdown[] = {
    01723   STR_CONFIG_SETTING_RESTRICT_BASIC,                            // RM_BASIC
    01724   STR_CONFIG_SETTING_RESTRICT_ADVANCED,                         // RM_ADVANCED
    01725   STR_CONFIG_SETTING_RESTRICT_ALL,                              // RM_ALL
    01726   STR_CONFIG_SETTING_RESTRICT_CHANGED_AGAINST_DEFAULT,          // RM_CHANGED_AGAINST_DEFAULT
    01727   STR_CONFIG_SETTING_RESTRICT_CHANGED_AGAINST_NEW,              // RM_CHANGED_AGAINST_NEW
    01728 };
    01729 assert_compile(lengthof(_game_settings_restrict_dropdown) == RM_END);
    01730
    01732 enum WarnHiddenResult {
    01733   WHR_NONE,
    01734   WHR_CATEGORY,
    01735   WHR_TYPE,
    01736   WHR_CATEGORY_TYPE,
    01737 };
    01738
    01740 struct GameSettingsWindow : Window {
    01741   static const int SETTINGTREE_LEFT_OFFSET   = 5;
    01742   static const int SETTINGTREE_RIGHT_OFFSET  = 5;
    01743   static const int SETTINGTREE_TOP_OFFSET    = 5;
    01744   static const int SETTINGTREE_BOTTOM_OFFSET = 5;
    01745
    01746   static GameSettings *settings_ptr;
    01747
    01748   SettingEntry *valuewindow_entry;
    01749   SettingEntry *clicked_entry;
    01750   SettingEntry *last_clicked;
    01751   SettingEntry *valuedropdown_entry;
    01752   bool closing_dropdown;
    01753
    01754   SettingFilter filter;
    01755   QueryString filter_editbox;
    01756   bool manually_changed_folding;
    01757   WarnHiddenResult warn_missing;
    01758   int warn_lines;
    01759
    01760   Scrollbar *vscroll;
    01761
    01762   GameSettingsWindow(WindowDesc *desc) : Window(desc), filter_editbox(50)
    01763   {
    01764     static bool first_time = true;
    01765
    01766     this->warn_missing = WHR_NONE;
    01767     this->warn_lines = 0;
    01768     this->filter.mode = (RestrictionMode)_settings_client.gui.settings_restriction_mode;
    01769     this->filter.min_cat = RM_ALL;
    01770     this->filter.type = ST_ALL;
    01771     this->filter.type_hides = false;
    01772     this->settings_ptr = &GetGameSettings();
    01773
    01774     /* Build up the dynamic settings-array only once per OpenTTD session */
    01775     if (first_time) {
    01776       _settings_main_page.Init();
    01777       first_time = false;
    01778     } else {
    01779       _settings_main_page.FoldAll(); // Close all sub-pages
    01780     }
    01781
    01782     this->valuewindow_entry = NULL; // No setting entry for which a entry window is opened
    01783     this->clicked_entry = NULL; // No numeric setting buttons are depressed
    01784     this->last_clicked = NULL;
    01785     this->valuedropdown_entry = NULL;
    01786     this->closing_dropdown = false;
    01787     this->manually_changed_folding = false;
    01788
    01789     this->CreateNestedTree();
    01790     this->vscroll = this->GetScrollbar(WID_GS_SCROLLBAR);
    01791     this->FinishInitNested(WN_GAME_OPTIONS_GAME_SETTINGS);
    01792
    01793     this->querystrings[WID_GS_FILTER] = &this->filter_editbox;
    01794     this->filter_editbox.cancel_button = QueryString::ACTION_CLEAR;
    01795     this->SetFocusedWidget(WID_GS_FILTER);
    01796
    01797     this->InvalidateData();
    01798   }
    01799
    01800   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01801   {
    01802     switch (widget) {
    01803       case WID_GS_OPTIONSPANEL:
    01804         resize->height = SETTING_HEIGHT = max(11, FONT_HEIGHT_NORMAL + 1);
    01805         resize->width  = 1;
    01806
    01807         size->height = 5 * resize->height + SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET;
    01808         break;
    01809
    01810       case WID_GS_HELP_TEXT: {
    01811         static const StringID setting_types[] = {
    01812           STR_CONFIG_SETTING_TYPE_CLIENT,
    01813           STR_CONFIG_SETTING_TYPE_COMPANY_MENU, STR_CONFIG_SETTING_TYPE_COMPANY_INGAME,
    01814           STR_CONFIG_SETTING_TYPE_GAME_MENU, STR_CONFIG_SETTING_TYPE_GAME_INGAME,
    01815         };
    01816         for (uint i = 0; i < lengthof(setting_types); i++) {
    01817           SetDParam(0, setting_types[i]);
    01818           size->width = max(size->width, GetStringBoundingBox(STR_CONFIG_SETTING_TYPE).width);
    01819         }
    01820         size->height = 2 * FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL +
    01821             max(size->height, _settings_main_page.GetMaxHelpHeight(size->width));
    01822         break;
    01823       }
    01824
    01825       case WID_GS_RESTRICT_CATEGORY:
    01826       case WID_GS_RESTRICT_TYPE:
    01827         size->width = max(GetStringBoundingBox(STR_CONFIG_SETTING_RESTRICT_CATEGORY).width, GetStringBoundingBox(STR_CONFIG_SETTING_RESTRICT_TYPE).width);
    01828         break;
    01829
    01830       default:
    01831         break;
    01832     }
    01833   }
    01834
    01835   virtual void OnPaint()
    01836   {
    01837     if (this->closing_dropdown) {
    01838       this->closing_dropdown = false;
    01839       assert(this->valuedropdown_entry != NULL);
    01840       this->valuedropdown_entry->SetButtons(0);
    01841       this->valuedropdown_entry = NULL;
    01842     }
    01843
    01844     /* Reserve the correct number of lines for the 'some search results are hidden' notice in the central settings display panel. */
    01845     const NWidgetBase *panel = this->GetWidget<NWidgetBase>(WID_GS_OPTIONSPANEL);
    01846     StringID warn_str = STR_CONFIG_SETTING_CATEGORY_HIDES - 1 + this->warn_missing;
    01847     int new_warn_lines;
    01848     if (this->warn_missing == WHR_NONE) {
    01849       new_warn_lines = 0;
    01850     } else {
    01851       SetDParam(0, _game_settings_restrict_dropdown[this->filter.min_cat]);
    01852       new_warn_lines = GetStringLineCount(warn_str, panel->current_x);
    01853     }
    01854     if (this->warn_lines != new_warn_lines) {
    01855       this->vscroll->SetCount(this->vscroll->GetCount() - this->warn_lines + new_warn_lines);
    01856       this->warn_lines = new_warn_lines;
    01857     }
    01858
    01859     this->DrawWidgets();
    01860
    01861     /* Draw the 'some search results are hidden' notice. */
    01862     if (this->warn_missing != WHR_NONE) {
    01863       const int left = panel->pos_x;
    01864       const int right = left + panel->current_x - 1;
    01865       const int top = panel->pos_y;
    01866       SetDParam(0, _game_settings_restrict_dropdown[this->filter.min_cat]);
    01867       if (this->warn_lines == 1) {
    01868         /* If the warning fits at one line, center it. */
    01869         DrawString(left + WD_FRAMETEXT_LEFT, right - WD_FRAMETEXT_RIGHT, top + WD_FRAMETEXT_TOP, warn_str, TC_FROMSTRING, SA_HOR_CENTER);
    01870       } else {
    01871         DrawStringMultiLine(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top + WD_FRAMERECT_TOP, INT32_MAX, warn_str);
    01872       }
    01873     }
    01874   }
    01875
    01876   virtual void SetStringParameters(int widget) const
    01877   {
    01878     switch (widget) {
    01879       case WID_GS_RESTRICT_DROPDOWN:
    01880         SetDParam(0, _game_settings_restrict_dropdown[this->filter.mode]);
    01881         break;
    01882
    01883       case WID_GS_TYPE_DROPDOWN:
    01884         switch (this->filter.type) {
    01885           case ST_GAME:    SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_INGAME); break;
    01886           case ST_COMPANY: SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_INGAME); break;
    01887           case ST_CLIENT:  SetDParam(0, STR_CONFIG_SETTING_TYPE_DROPDOWN_CLIENT); break;
    01888           default:         SetDParam(0, STR_CONFIG_SETTING_TYPE_DROPDOWN_ALL); break;
    01889         }
    01890         break;
    01891     }
    01892   }
    01893
    01894   DropDownList *BuildDropDownList(int widget) const
    01895   {
    01896     DropDownList *list = NULL;
    01897     switch (widget) {
    01898       case WID_GS_RESTRICT_DROPDOWN:
    01899         list = new DropDownList();
    01900
    01901         for (int mode = 0; mode != RM_END; mode++) {
    01902           /* If we are in adv. settings screen for the new game's settings,
    01903            * we don't want to allow comparing with new game's settings. */
    01904           bool disabled = mode == RM_CHANGED_AGAINST_NEW && settings_ptr == &_settings_newgame;
    01905
    01906           *list->Append() = new DropDownListStringItem(_game_settings_restrict_dropdown[mode], mode, disabled);
    01907         }
    01908         break;
    01909
    01910       case WID_GS_TYPE_DROPDOWN:
    01911         list = new DropDownList();
    01912         *list->Append() = new DropDownListStringItem(STR_CONFIG_SETTING_TYPE_DROPDOWN_ALL, ST_ALL, false);
    01913         *list->Append() = new DropDownListStringItem(_game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_INGAME, ST_GAME, false);
    01914         *list->Append() = new DropDownListStringItem(_game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_INGAME, ST_COMPANY, false);
    01915         *list->Append() = new DropDownListStringItem(STR_CONFIG_SETTING_TYPE_DROPDOWN_CLIENT, ST_CLIENT, false);
    01916         break;
    01917     }
    01918     return list;
    01919   }
    01920
    01921   virtual void DrawWidget(const Rect &r, int widget) const
    01922   {
    01923     switch (widget) {
    01924       case WID_GS_OPTIONSPANEL: {
    01925         int top_pos = r.top + SETTINGTREE_TOP_OFFSET + 1 + this->warn_lines * FONT_HEIGHT_NORMAL;
    01926         uint last_row = this->vscroll->GetPosition() + this->vscroll->GetCapacity() - this->warn_lines;
    01927         int next_row = _settings_main_page.Draw(settings_ptr, r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, top_pos,
    01928             this->vscroll->GetPosition(), last_row, this->last_clicked);
    01929         if (next_row == 0) DrawString(r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, top_pos, STR_CONFIG_SETTINGS_NONE);
    01930         break;
    01931       }
    01932
    01933       case WID_GS_HELP_TEXT:
    01934         if (this->last_clicked != NULL) {
    01935           const SettingDesc *sd = this->last_clicked->d.entry.setting;
    01936
    01937           int y = r.top;
    01938           switch (sd->GetType()) {
    01939             case ST_COMPANY: SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_COMPANY_INGAME); break;
    01940             case ST_CLIENT:  SetDParam(0, STR_CONFIG_SETTING_TYPE_CLIENT); break;
    01941             case ST_GAME:    SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_GAME_MENU : STR_CONFIG_SETTING_TYPE_GAME_INGAME); break;
    01942             default: NOT_REACHED();
    01943           }
    01944           DrawString(r.left, r.right, y, STR_CONFIG_SETTING_TYPE);
    01945           y += FONT_HEIGHT_NORMAL;
    01946
    01947           int32 default_value = ReadValue(&sd->desc.def, sd->save.conv);
    01948           this->last_clicked->SetValueDParams(0, default_value);
    01949           DrawString(r.left, r.right, y, STR_CONFIG_SETTING_DEFAULT_VALUE);
    01950           y += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
    01951
    01952           DrawStringMultiLine(r.left, r.right, y, r.bottom, this->last_clicked->GetHelpText(), TC_WHITE);
    01953         }
    01954         break;
    01955
    01956       default:
    01957         break;
    01958     }
    01959   }
    01960
    01965   void SetDisplayedHelpText(SettingEntry *pe)
    01966   {
    01967     if (this->last_clicked != pe) this->SetDirty();
    01968     this->last_clicked = pe;
    01969   }
    01970
    01971   virtual void OnClick(Point pt, int widget, int click_count)
    01972   {
    01973     switch (widget) {
    01974       case WID_GS_EXPAND_ALL:
    01975         this->manually_changed_folding = true;
    01976         _settings_main_page.UnFoldAll();
    01977         this->InvalidateData();
    01978         break;
    01979
    01980       case WID_GS_COLLAPSE_ALL:
    01981         this->manually_changed_folding = true;
    01982         _settings_main_page.FoldAll();
    01983         this->InvalidateData();
    01984         break;
    01985
    01986       case WID_GS_RESTRICT_DROPDOWN: {
    01987         DropDownList *list = this->BuildDropDownList(widget);
    01988         if (list != NULL) {
    01989           ShowDropDownList(this, list, this->filter.mode, widget);
    01990         }
    01991         break;
    01992       }
    01993
    01994       case WID_GS_TYPE_DROPDOWN: {
    01995         DropDownList *list = this->BuildDropDownList(widget);
    01996         if (list != NULL) {
    01997           ShowDropDownList(this, list, this->filter.type, widget);
    01998         }
    01999         break;
    02000       }
    02001     }
    02002
    02003     if (widget != WID_GS_OPTIONSPANEL) return;
    02004
    02005     uint btn = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET);
    02006     if (btn == INT_MAX || (int)btn < this->warn_lines) return;
    02007     btn -= this->warn_lines;
    02008
    02009     uint cur_row = 0;
    02010     SettingEntry *pe = _settings_main_page.FindEntry(btn, &cur_row);
    02011
    02012     if (pe == NULL) return;  // Clicked below the last setting of the page
    02013
    02014     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
    02015     if (x < 0) return;  // Clicked left of the entry
    02016
    02017     if ((pe->flags & SEF_KIND_MASK) == SEF_SUBTREE_KIND) {
    02018       this->SetDisplayedHelpText(NULL);
    02019       pe->d.sub.folded = !pe->d.sub.folded; // Flip 'folded'-ness of the sub-page
    02020
    02021       this->manually_changed_folding = true;
    02022
    02023       this->InvalidateData();
    02024       return;
    02025     }
    02026
    02027     assert((pe->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    02028     const SettingDesc *sd = pe->d.entry.setting;
    02029
    02030     /* return if action is only active in network, or only settable by server */
    02031     if (!sd->IsEditable()) {
    02032       this->SetDisplayedHelpText(pe);
    02033       return;
    02034     }
    02035
    02036     const void *var = ResolveVariableAddress(settings_ptr, sd);
    02037     int32 value = (int32)ReadValue(var, sd->save.conv);
    02038
    02039     /* clicked on the icon on the left side. Either scroller, bool on/off or dropdown */
    02040     if (x < SETTING_BUTTON_WIDTH && (sd->desc.flags & SGF_MULTISTRING)) {
    02041       const SettingDescBase *sdb = &sd->desc;
    02042       this->SetDisplayedHelpText(pe);
    02043
    02044       if (this->valuedropdown_entry == pe) {
    02045         /* unclick the dropdown */
    02046         HideDropDownMenu(this);
    02047         this->closing_dropdown = false;
    02048         this->valuedropdown_entry->SetButtons(0);
    02049         this->valuedropdown_entry = NULL;
    02050       } else {
    02051         if (this->valuedropdown_entry != NULL) this->valuedropdown_entry->SetButtons(0);
    02052         this->closing_dropdown = false;
    02053
    02054         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_GS_OPTIONSPANEL);
    02055         int rel_y = (pt.y - (int)wid->pos_y - SETTINGTREE_TOP_OFFSET) % wid->resize_y;
    02056
    02057         Rect wi_rect;
    02058         wi_rect.left = pt.x - (_current_text_dir == TD_RTL ? SETTING_BUTTON_WIDTH - 1 - x : x);
    02059         wi_rect.right = wi_rect.left + SETTING_BUTTON_WIDTH - 1;
    02060         wi_rect.top = pt.y - rel_y + (SETTING_HEIGHT - SETTING_BUTTON_HEIGHT) / 2;
    02061         wi_rect.bottom = wi_rect.top + SETTING_BUTTON_HEIGHT - 1;
    02062
    02063         /* For dropdowns we also have to check the y position thoroughly, the mouse may not above the just opening dropdown */
    02064         if (pt.y >= wi_rect.top && pt.y <= wi_rect.bottom) {
    02065           this->valuedropdown_entry = pe;
    02066           this->valuedropdown_entry->SetButtons(SEF_LEFT_DEPRESSED);
    02067
    02068           DropDownList *list = new DropDownList();
    02069           for (int i = sdb->min; i <= (int)sdb->max; i++) {
    02070             *list->Append() = new DropDownListStringItem(sdb->str_val + i - sdb->min, i, false);
    02071           }
    02072
    02073           ShowDropDownListAt(this, list, value, -1, wi_rect, COLOUR_ORANGE, true);
    02074         }
    02075       }
    02076       this->SetDirty();
    02077     } else if (x < SETTING_BUTTON_WIDTH) {
    02078       this->SetDisplayedHelpText(pe);
    02079       const SettingDescBase *sdb = &sd->desc;
    02080       int32 oldvalue = value;
    02081
    02082       switch (sdb->cmd) {
    02083         case SDT_BOOLX: value ^= 1; break;
    02084         case SDT_ONEOFMANY:
    02085         case SDT_NUMX: {
    02086           /* Add a dynamic step-size to the scroller. In a maximum of
    02087            * 50-steps you should be able to get from min to max,
    02088            * unless specified otherwise in the 'interval' variable
    02089            * of the current setting. */
    02090           uint32 step = (sdb->interval == 0) ? ((sdb->max - sdb->min) / 50) : sdb->interval;
    02091           if (step == 0) step = 1;
    02092
    02093           /* don't allow too fast scrolling */
    02094           if ((this->flags & WF_TIMEOUT) && this->timeout_timer > 1) {
    02095             _left_button_clicked = false;
    02096             return;
    02097           }
    02098
    02099           /* Increase or decrease the value and clamp it to extremes */
    02100           if (x >= SETTING_BUTTON_WIDTH / 2) {
    02101             value += step;
    02102             if (sdb->min < 0) {
    02103               assert((int32)sdb->max >= 0);
    02104               if (value > (int32)sdb->max) value = (int32)sdb->max;
    02105             } else {
    02106               if ((uint32)value > sdb->max) value = (int32)sdb->max;
    02107             }
    02108             if (value < sdb->min) value = sdb->min; // skip between "disabled" and minimum
    02109           } else {
    02110             value -= step;
    02111             if (value < sdb->min) value = (sdb->flags & SGF_0ISDISABLED) ? 0 : sdb->min;
    02112           }
    02113
    02114           /* Set up scroller timeout for numeric values */
    02115           if (value != oldvalue) {
    02116             if (this->clicked_entry != NULL) { // Release previous buttons if any
    02117               this->clicked_entry->SetButtons(0);
    02118             }
    02119             this->clicked_entry = pe;
    02120             this->clicked_entry->SetButtons((x >= SETTING_BUTTON_WIDTH / 2) != (_current_text_dir == TD_RTL) ? SEF_RIGHT_DEPRESSED : SEF_LEFT_DEPRESSED);
    02121             this->SetTimeout();
    02122             _left_button_clicked = false;
    02123           }
    02124           break;
    02125         }
    02126
    02127         default: NOT_REACHED();
    02128       }
    02129
    02130       if (value != oldvalue) {
    02131         if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02132           SetCompanySetting(pe->d.entry.index, value);
    02133         } else {
    02134           SetSettingValue(pe->d.entry.index, value);
    02135         }
    02136         this->SetDirty();
    02137       }
    02138     } else {
    02139       /* Only open editbox if clicked for the second time, and only for types where it is sensible for. */
    02140       if (this->last_clicked == pe && sd->desc.cmd != SDT_BOOLX && !(sd->desc.flags & SGF_MULTISTRING)) {
    02141         /* Show the correct currency-translated value */
    02142         if (sd->desc.flags & SGF_CURRENCY) value *= _currency->rate;
    02143
    02144         this->valuewindow_entry = pe;
    02145         SetDParam(0, value);
    02146         ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
    02147       }
    02148       this->SetDisplayedHelpText(pe);
    02149     }
    02150   }
    02151
    02152   virtual void OnTimeout()
    02153   {
    02154     if (this->clicked_entry != NULL) { // On timeout, release any depressed buttons
    02155       this->clicked_entry->SetButtons(0);
    02156       this->clicked_entry = NULL;
    02157       this->SetDirty();
    02158     }
    02159   }
    02160
    02161   virtual void OnQueryTextFinished(char *str)
    02162   {
    02163     /* The user pressed cancel */
    02164     if (str == NULL) return;
    02165
    02166     assert(this->valuewindow_entry != NULL);
    02167     assert((this->valuewindow_entry->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    02168     const SettingDesc *sd = this->valuewindow_entry->d.entry.setting;
    02169
    02170     int32 value;
    02171     if (!StrEmpty(str)) {
    02172       value = atoi(str);
    02173
    02174       /* Save the correct currency-translated value */
    02175       if (sd->desc.flags & SGF_CURRENCY) value /= _currency->rate;
    02176     } else {
    02177       value = (int32)(size_t)sd->desc.def;
    02178     }
    02179
    02180     if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02181       SetCompanySetting(this->valuewindow_entry->d.entry.index, value);
    02182     } else {
    02183       SetSettingValue(this->valuewindow_entry->d.entry.index, value);
    02184     }
    02185     this->SetDirty();
    02186   }
    02187
    02188   virtual void OnDropdownSelect(int widget, int index)
    02189   {
    02190     switch (widget) {
    02191       case WID_GS_RESTRICT_DROPDOWN:
    02192         this->filter.mode = (RestrictionMode)index;
    02193         if (this->filter.mode == RM_CHANGED_AGAINST_DEFAULT ||
    02194             this->filter.mode == RM_CHANGED_AGAINST_NEW) {
    02195
    02196           if (!this->manually_changed_folding) {
    02197             /* Expand all when selecting 'changes'. Update the filter state first, in case it becomes less restrictive in some cases. */
    02198             _settings_main_page.UpdateFilterState(this->filter, false);
    02199             _settings_main_page.UnFoldAll();
    02200           }
    02201         } else {
    02202           /* Non-'changes' filter. Save as default. */
    02203           _settings_client.gui.settings_restriction_mode = this->filter.mode;
    02204         }
    02205         this->InvalidateData();
    02206         break;
    02207
    02208       case WID_GS_TYPE_DROPDOWN:
    02209         this->filter.type = (SettingType)index;
    02210         this->InvalidateData();
    02211         break;
    02212
    02213       default:
    02214         if (widget < 0) {
    02215           /* Deal with drop down boxes on the panel. */
    02216           assert(this->valuedropdown_entry != NULL);
    02217           const SettingDesc *sd = this->valuedropdown_entry->d.entry.setting;
    02218           assert(sd->desc.flags & SGF_MULTISTRING);
    02219
    02220           if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02221             SetCompanySetting(this->valuedropdown_entry->d.entry.index, index);
    02222           } else {
    02223             SetSettingValue(this->valuedropdown_entry->d.entry.index, index);
    02224           }
    02225
    02226           this->SetDirty();
    02227         }
    02228         break;
    02229     }
    02230   }
    02231
    02232   virtual void OnDropdownClose(Point pt, int widget, int index, bool instant_close)
    02233   {
    02234     if (widget >= 0) {
    02235       /* Normally the default implementation of OnDropdownClose() takes care of
    02236        * a few things. We want that behaviour here too, but only for
    02237        * "normal" dropdown boxes. The special dropdown boxes added for every
    02238        * setting that needs one can't have this call. */
    02239       Window::OnDropdownClose(pt, widget, index, instant_close);
    02240     } else {
    02241       /* We cannot raise the dropdown button just yet. OnClick needs some hint, whether
    02242        * the same dropdown button was clicked again, and then not open the dropdown again.
    02243        * So, we only remember that it was closed, and process it on the next OnPaint, which is
    02244        * after OnClick. */
    02245       assert(this->valuedropdown_entry != NULL);
    02246       this->closing_dropdown = true;
    02247       this->SetDirty();
    02248     }
    02249   }
    02250
    02251   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    02252   {
    02253     if (!gui_scope) return;
    02254
    02255     /* Update which settings are to be visible. */
    02256     RestrictionMode min_level = (this->filter.mode <= RM_ALL) ? this->filter.mode : RM_BASIC;
    02257     this->filter.min_cat = min_level;
    02258     this->filter.type_hides = false;
    02259     _settings_main_page.UpdateFilterState(this->filter, false);
    02260
    02261     if (this->filter.string.IsEmpty()) {
    02262       this->warn_missing = WHR_NONE;
    02263     } else if (min_level < this->filter.min_cat) {
    02264       this->warn_missing = this->filter.type_hides ? WHR_CATEGORY_TYPE : WHR_CATEGORY;
    02265     } else {
    02266       this->warn_missing = this->filter.type_hides ? WHR_TYPE : WHR_NONE;
    02267     }
    02268     this->vscroll->SetCount(_settings_main_page.Length() + this->warn_lines);
    02269
    02270     if (this->last_clicked != NULL && !_settings_main_page.IsVisible(this->last_clicked)) {
    02271       this->SetDisplayedHelpText(NULL);
    02272     }
    02273
    02274     bool all_folded = true;
    02275     bool all_unfolded = true;
    02276     _settings_main_page.GetFoldingState(all_folded, all_unfolded);
    02277     this->SetWidgetDisabledState(WID_GS_EXPAND_ALL, all_unfolded);
    02278     this->SetWidgetDisabledState(WID_GS_COLLAPSE_ALL, all_folded);
    02279   }
    02280
    02281   virtual void OnEditboxChanged(int wid)
    02282   {
    02283     if (wid == WID_GS_FILTER) {
    02284       this->filter.string.SetFilterTerm(this->filter_editbox.text.buf);
    02285       if (!this->filter.string.IsEmpty() && !this->manually_changed_folding) {
    02286         /* User never expanded/collapsed single pages and entered a filter term.
    02287          * Expand everything, to save weird expand clicks, */
    02288         _settings_main_page.UnFoldAll();
    02289       }
    02290       this->InvalidateData();
    02291     }
    02292   }
    02293
    02294   virtual void OnResize()
    02295   {
    02296     this->vscroll->SetCapacityFromWidget(this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET);
    02297   }
    02298 };
    02299
    02300 GameSettings *GameSettingsWindow::settings_ptr = NULL;
    02301
    02302 static const NWidgetPart _nested_settings_selection_widgets[] = {
    02303   NWidget(NWID_HORIZONTAL),
    02304     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
    02305     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_CONFIG_SETTING_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    02306     NWidget(WWT_DEFSIZEBOX, COLOUR_MAUVE),
    02307   EndContainer(),
    02308   NWidget(WWT_PANEL, COLOUR_MAUVE),
    02309     NWidget(NWID_VERTICAL), SetPIP(0, WD_PAR_VSEP_NORMAL, 0), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0),
    02310       NWidget(NWID_HORIZONTAL), SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
    02311         NWidget(WWT_TEXT, COLOUR_MAUVE, WID_GS_RESTRICT_CATEGORY), SetDataTip(STR_CONFIG_SETTING_RESTRICT_CATEGORY, STR_NULL),
    02312         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),
    02313       EndContainer(),
    02314       NWidget(NWID_HORIZONTAL), SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
    02315         NWidget(WWT_TEXT, COLOUR_MAUVE, WID_GS_RESTRICT_TYPE), SetDataTip(STR_CONFIG_SETTING_RESTRICT_TYPE, STR_NULL),
    02316         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),
    02317       EndContainer(),
    02318     EndContainer(),
    02319     NWidget(NWID_HORIZONTAL), SetPadding(0, 0, WD_TEXTPANEL_BOTTOM, 0),
    02320         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
    02321       NWidget(WWT_TEXT, COLOUR_MAUVE), SetFill(0, 1), SetDataTip(STR_CONFIG_SETTING_FILTER_TITLE, STR_NULL),
    02322       NWidget(WWT_EDITBOX, COLOUR_MAUVE, WID_GS_FILTER), SetFill(1, 0), SetMinimalSize(50, 12), SetResize(1, 0),
    02323           SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
    02324     EndContainer(),
    02325   EndContainer(),
    02326   NWidget(NWID_HORIZONTAL),
    02327     NWidget(WWT_PANEL, COLOUR_MAUVE, WID_GS_OPTIONSPANEL), SetMinimalSize(400, 174), SetScrollbar(WID_GS_SCROLLBAR), EndContainer(),
    02328     NWidget(NWID_VERTICAL),
    02329       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_GS_SCROLLBAR),
    02330     EndContainer(),
    02331   EndContainer(),
    02332   NWidget(WWT_PANEL, COLOUR_MAUVE), SetMinimalSize(400, 40),
    02333     NWidget(WWT_EMPTY, INVALID_COLOUR, WID_GS_HELP_TEXT), SetMinimalSize(300, 25), SetFill(1, 1), SetResize(1, 0),
    02334         SetPadding(WD_FRAMETEXT_TOP, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_BOTTOM, WD_FRAMETEXT_LEFT),
    02335     NWidget(NWID_HORIZONTAL),
    02336       NWidget(WWT_PANEL, COLOUR_MAUVE),
    02337         NWidget(NWID_HORIZONTAL),
    02338           NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_GS_EXPAND_ALL), SetDataTip(STR_CONFIG_SETTING_EXPAND_ALL, STR_NULL),
    02339           NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_GS_COLLAPSE_ALL), SetDataTip(STR_CONFIG_SETTING_COLLAPSE_ALL, STR_NULL),
    02340           NWidget(NWID_SPACER, INVALID_COLOUR), SetFill(1, 1), SetResize(1, 0),
    02341         EndContainer(),
    02342       EndContainer(),
    02343       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
    02344     EndContainer(),
    02345   EndContainer(),
    02346 };
    02347
    02348 static WindowDesc _settings_selection_desc(
    02349   WDP_CENTER, "settings", 510, 450,
    02350   WC_GAME_OPTIONS, WC_NONE,
    02351   0,
    02352   _nested_settings_selection_widgets, lengthof(_nested_settings_selection_widgets)
    02353 );
    02354
    02356 void ShowGameSettings()
    02357 {
    02358   DeleteWindowByClass(WC_GAME_OPTIONS);
    02359   new GameSettingsWindow(&_settings_selection_desc);
    02360 }
    02361
    02362
    02372 void DrawArrowButtons(int x, int y, Colours button_colour, byte state, bool clickable_left, bool clickable_right)
    02373 {
    02374   int colour = _colour_gradient[button_colour][2];
    02375
    02376   DrawFrameRect(x,                            y, x + SETTING_BUTTON_WIDTH / 2 - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, (state == 1) ? FR_LOWERED : FR_NONE);
    02377   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);
    02378   DrawSprite(SPR_ARROW_LEFT, PAL_NONE, x + WD_IMGBTN_LEFT, y + WD_IMGBTN_TOP);
    02379   DrawSprite(SPR_ARROW_RIGHT, PAL_NONE, x + WD_IMGBTN_LEFT + SETTING_BUTTON_WIDTH / 2, y + WD_IMGBTN_TOP);
    02380
    02381   /* Grey out the buttons that aren't clickable */
    02382   bool rtl = _current_text_dir == TD_RTL;
    02383   if (rtl ? !clickable_right : !clickable_left) {
    02384     GfxFillRect(x                            + 1, y, x + SETTING_BUTTON_WIDTH / 2 - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02385   }
    02386   if (rtl ? !clickable_left : !clickable_right) {
    02387     GfxFillRect(x + SETTING_BUTTON_WIDTH / 2 + 1, y, x + SETTING_BUTTON_WIDTH     - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02388   }
    02389 }
    02390
    02399 void DrawDropDownButton(int x, int y, Colours button_colour, bool state, bool clickable)
    02400 {
    02401   static const char *DOWNARROW = "\xEE\x8A\xAA";
    02402
    02403   int colour = _colour_gradient[button_colour][2];
    02404
    02405   DrawFrameRect(x, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, state ? FR_LOWERED : FR_NONE);
    02406   DrawString(x + (state ? 1 : 0), x + SETTING_BUTTON_WIDTH - (state ? 0 : 1), y + (state ? 2 : 1), DOWNARROW, TC_BLACK, SA_HOR_CENTER);
    02407
    02408   if (!clickable) {
    02409     GfxFillRect(x +  1, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02410   }
    02411 }
    02412
    02420 void DrawBoolButton(int x, int y, bool state, bool clickable)
    02421 {
    02422   static const Colours _bool_ctabs[2][2] = {{COLOUR_CREAM, COLOUR_RED}, {COLOUR_DARK_GREEN, COLOUR_GREEN}};
    02423   DrawFrameRect(x, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 1, _bool_ctabs[state][clickable], state ? FR_LOWERED : FR_NONE);
    02424 }
    02425
    02426 struct CustomCurrencyWindow : Window {
    02427   int query_widget;
    02428
    02429   CustomCurrencyWindow(WindowDesc *desc) : Window(desc)
    02430   {
    02431     this->InitNested();
    02432
    02433     SetButtonState();
    02434   }
    02435
    02436   void SetButtonState()
    02437   {
    02438     this->SetWidgetDisabledState(WID_CC_RATE_DOWN, _custom_currency.rate == 1);
    02439     this->SetWidgetDisabledState(WID_CC_RATE_UP, _custom_currency.rate == UINT16_MAX);
    02440     this->SetWidgetDisabledState(WID_CC_YEAR_DOWN, _custom_currency.to_euro == CF_NOEURO);
    02441     this->SetWidgetDisabledState(WID_CC_YEAR_UP, _custom_currency.to_euro == MAX_YEAR);
    02442   }
    02443
    02444   virtual void SetStringParameters(int widget) const
    02445   {
    02446     switch (widget) {
    02447       case WID_CC_RATE:      SetDParam(0, 1); SetDParam(1, 1);            break;
    02448       case WID_CC_SEPARATOR: SetDParamStr(0, _custom_currency.separator); break;
    02449       case WID_CC_PREFIX:    SetDParamStr(0, _custom_currency.prefix);    break;
    02450       case WID_CC_SUFFIX:    SetDParamStr(0, _custom_currency.suffix);    break;
    02451       case WID_CC_YEAR:
    02452         SetDParam(0, (_custom_currency.to_euro != CF_NOEURO) ? STR_CURRENCY_SWITCH_TO_EURO : STR_CURRENCY_SWITCH_TO_EURO_NEVER);
    02453         SetDParam(1, _custom_currency.to_euro);
    02454         break;
    02455
    02456       case WID_CC_PREVIEW:
    02457         SetDParam(0, 10000);
    02458         break;
    02459     }
    02460   }
    02461
    02462   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    02463   {
    02464     switch (widget) {
    02465       /* Set the appropriate width for the edit 'buttons' */
    02466       case WID_CC_SEPARATOR_EDIT:
    02467       case WID_CC_PREFIX_EDIT:
    02468       case WID_CC_SUFFIX_EDIT:
    02469         size->width  = this->GetWidget<NWidgetBase>(WID_CC_RATE_DOWN)->smallest_x + this->GetWidget<NWidgetBase>(WID_CC_RATE_UP)->smallest_x;
    02470         break;
    02471
    02472       /* Make sure the window is wide enough for the widest exchange rate */
    02473       case WID_CC_RATE:
    02474         SetDParam(0, 1);
    02475         SetDParam(1, INT32_MAX);
    02476         *size = GetStringBoundingBox(STR_CURRENCY_EXCHANGE_RATE);
    02477         break;
    02478     }
    02479   }
    02480
    02481   virtual void OnClick(Point pt, int widget, int click_count)
    02482   {
    02483     int line = 0;
    02484     int len = 0;
    02485     StringID str = 0;
    02486     CharSetFilter afilter = CS_ALPHANUMERAL;
    02487
    02488     switch (widget) {
    02489       case WID_CC_RATE_DOWN:
    02490         if (_custom_currency.rate > 1) _custom_currency.rate--;
    02491         if (_custom_currency.rate == 1) this->DisableWidget(WID_CC_RATE_DOWN);
    02492         this->EnableWidget(WID_CC_RATE_UP);
    02493         break;
    02494
    02495       case WID_CC_RATE_UP:
    02496         if (_custom_currency.rate < UINT16_MAX) _custom_currency.rate++;
    02497         if (_custom_currency.rate == UINT16_MAX) this->DisableWidget(WID_CC_RATE_UP);
    02498         this->EnableWidget(WID_CC_RATE_DOWN);
    02499         break;
    02500
    02501       case WID_CC_RATE:
    02502         SetDParam(0, _custom_currency.rate);
    02503         str = STR_JUST_INT;
    02504         len = 5;
    02505         line = WID_CC_RATE;
    02506         afilter = CS_NUMERAL;
    02507         break;
    02508
    02509       case WID_CC_SEPARATOR_EDIT:
    02510       case WID_CC_SEPARATOR:
    02511         SetDParamStr(0, _custom_currency.separator);
    02512         str = STR_JUST_RAW_STRING;
    02513         len = 1;
    02514         line = WID_CC_SEPARATOR;
    02515         break;
    02516
    02517       case WID_CC_PREFIX_EDIT:
    02518       case WID_CC_PREFIX:
    02519         SetDParamStr(0, _custom_currency.prefix);
    02520         str = STR_JUST_RAW_STRING;
    02521         len = 12;
    02522         line = WID_CC_PREFIX;
    02523         break;
    02524
    02525       case WID_CC_SUFFIX_EDIT:
    02526       case WID_CC_SUFFIX:
    02527         SetDParamStr(0, _custom_currency.suffix);
    02528         str = STR_JUST_RAW_STRING;
    02529         len = 12;
    02530         line = WID_CC_SUFFIX;
    02531         break;
    02532
    02533       case WID_CC_YEAR_DOWN:
    02534         _custom_currency.to_euro = (_custom_currency.to_euro <= 2000) ? CF_NOEURO : _custom_currency.to_euro - 1;
    02535         if (_custom_currency.to_euro == CF_NOEURO) this->DisableWidget(WID_CC_YEAR_DOWN);
    02536         this->EnableWidget(WID_CC_YEAR_UP);
    02537         break;
    02538
    02539       case WID_CC_YEAR_UP:
    02540         _custom_currency.to_euro = Clamp(_custom_currency.to_euro + 1, 2000, MAX_YEAR);
    02541         if (_custom_currency.to_euro == MAX_YEAR) this->DisableWidget(WID_CC_YEAR_UP);
    02542         this->EnableWidget(WID_CC_YEAR_DOWN);
    02543         break;
    02544
    02545       case WID_CC_YEAR:
    02546         SetDParam(0, _custom_currency.to_euro);
    02547         str = STR_JUST_INT;
    02548         len = 7;
    02549         line = WID_CC_YEAR;
    02550         afilter = CS_NUMERAL;
    02551         break;
    02552     }
    02553
    02554     if (len != 0) {
    02555       this->query_widget = line;
    02556       ShowQueryString(str, STR_CURRENCY_CHANGE_PARAMETER, len + 1, this, afilter, QSF_NONE);
    02557     }
    02558
    02559     this->SetTimeout();
    02560     this->SetDirty();
    02561   }
    02562
    02563   virtual void OnQueryTextFinished(char *str)
    02564   {
    02565     if (str == NULL) return;
    02566
    02567     switch (this->query_widget) {
    02568       case WID_CC_RATE:
    02569         _custom_currency.rate = Clamp(atoi(str), 1, UINT16_MAX);
    02570         break;
    02571
    02572       case WID_CC_SEPARATOR: // Thousands separator
    02573         strecpy(_custom_currency.separator, str, lastof(_custom_currency.separator));
    02574         break;
    02575
    02576       case WID_CC_PREFIX:
    02577         strecpy(_custom_currency.prefix, str, lastof(_custom_currency.prefix));
    02578         break;
    02579
    02580       case WID_CC_SUFFIX:
    02581         strecpy(_custom_currency.suffix, str, lastof(_custom_currency.suffix));
    02582         break;
    02583
    02584       case WID_CC_YEAR: { // Year to switch to euro
    02585         int val = atoi(str);
    02586
    02587         _custom_currency.to_euro = (val < 2000 ? CF_NOEURO : min(val, MAX_YEAR));
    02588         break;
    02589       }
    02590     }
    02591     MarkWholeScreenDirty();
    02592     SetButtonState();
    02593   }
    02594
    02595   virtual void OnTimeout()
    02596   {
    02597     this->SetDirty();
    02598   }
    02599 };
    02600
    02601 static const NWidgetPart _nested_cust_currency_widgets[] = {
    02602   NWidget(NWID_HORIZONTAL),
    02603     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    02604     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CURRENCY_WINDOW, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    02605   EndContainer(),
    02606   NWidget(WWT_PANEL, COLOUR_GREY),
    02607     NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(7, 3, 0),
    02608       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02609         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_EXCHANGE_RATE_TOOLTIP),
    02610         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_EXCHANGE_RATE_TOOLTIP),
    02611         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02612         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_RATE), SetDataTip(STR_CURRENCY_EXCHANGE_RATE, STR_CURRENCY_SET_EXCHANGE_RATE_TOOLTIP), SetFill(1, 0),
    02613       EndContainer(),
    02614       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02615         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SEPARATOR_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(0, 1),
    02616         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02617         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SEPARATOR), SetDataTip(STR_CURRENCY_SEPARATOR, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(1, 0),
    02618       EndContainer(),
    02619       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02620         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_PREFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(0, 1),
    02621         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02622         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_PREFIX), SetDataTip(STR_CURRENCY_PREFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(1, 0),
    02623       EndContainer(),
    02624       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02625         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SUFFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(0, 1),
    02626         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02627         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SUFFIX), SetDataTip(STR_CURRENCY_SUFFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(1, 0),
    02628       EndContainer(),
    02629       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02630         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
    02631         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
    02632         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02633         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_YEAR), SetDataTip(STR_JUST_STRING, STR_CURRENCY_SET_CUSTOM_CURRENCY_TO_EURO_TOOLTIP), SetFill(1, 0),
    02634       EndContainer(),
    02635     EndContainer(),
    02636     NWidget(WWT_LABEL, COLOUR_BLUE, WID_CC_PREVIEW),
    02637                 SetDataTip(STR_CURRENCY_PREVIEW, STR_CURRENCY_CUSTOM_CURRENCY_PREVIEW_TOOLTIP), SetPadding(15, 1, 18, 2),
    02638   EndContainer(),
    02639 };
    02640
    02641 static WindowDesc _cust_currency_desc(
    02642   WDP_CENTER, NULL, 0, 0,
    02643   WC_CUSTOM_CURRENCY, WC_NONE,
    02644   0,
    02645   _nested_cust_currency_widgets, lengthof(_nested_cust_currency_widgets)
    02646 );
    02647
    02649 static void ShowCustCurrency()
    02650 {
    02651   DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
    02652   new CustomCurrencyWindow(&_cust_currency_desc);
    02653 }