# settings_gui.cpp

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    00001 /* $Id: settings_gui.cpp 25988 2013-11-13 21:56:48Z rubidium $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
    00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00012 #include "stdafx.h"
    00013 #include "currency.h"
    00014 #include "error.h"
    00015 #include "settings_gui.h"
    00016 #include "textbuf_gui.h"
    00017 #include "command_func.h"
    00018 #include "screenshot.h"
    00019 #include "network/network.h"
    00020 #include "town.h"
    00021 #include "settings_internal.h"
    00022 #include "newgrf_townname.h"
    00023 #include "strings_func.h"
    00024 #include "window_func.h"
    00025 #include "string_func.h"
    00026 #include "widgets/dropdown_type.h"
    00027 #include "widgets/dropdown_func.h"
    00028 #include "highscore.h"
    00029 #include "base_media_base.h"
    00030 #include "company_base.h"
    00031 #include "company_func.h"
    00032 #include "viewport_func.h"
    00033 #include "core/geometry_func.hpp"
    00034 #include "ai/ai.hpp"
    00035 #include "blitter/factory.hpp"
    00036 #include "language.h"
    00037 #include "textfile_gui.h"
    00038 #include "stringfilter_type.h"
    00039 #include "querystring_gui.h"
    00040
    00041
    00042 static const StringID _units_dropdown[] = {
    00043   STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL,
    00044   STR_GAME_OPTIONS_MEASURING_UNITS_METRIC,
    00045   STR_GAME_OPTIONS_MEASURING_UNITS_SI,
    00046   INVALID_STRING_ID
    00047 };
    00048
    00049 static const StringID _driveside_dropdown[] = {
    00050   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT,
    00051   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_RIGHT,
    00052   INVALID_STRING_ID
    00053 };
    00054
    00055 static const StringID _autosave_dropdown[] = {
    00056   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_OFF,
    00057   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_1_MONTH,
    00058   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_3_MONTHS,
    00059   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_6_MONTHS,
    00060   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_12_MONTHS,
    00061   INVALID_STRING_ID,
    00062 };
    00063
    00064 int _nb_orig_names = SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1;
    00065 static StringID *_grf_names = NULL;
    00066 static int _nb_grf_names = 0;
    00067
    00068 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd);
    00069
    00071 void InitGRFTownGeneratorNames()
    00072 {
    00073   free(_grf_names);
    00074   _grf_names = GetGRFTownNameList();
    00075   _nb_grf_names = 0;
    00076   for (StringID *s = _grf_names; *s != INVALID_STRING_ID; s++) _nb_grf_names++;
    00077 }
    00078
    00084 static inline StringID TownName(int town_name)
    00085 {
    00086   if (town_name < _nb_orig_names) return STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + town_name;
    00087   town_name -= _nb_orig_names;
    00088   if (town_name < _nb_grf_names) return _grf_names[town_name];
    00089   return STR_UNDEFINED;
    00090 }
    00091
    00096 static int GetCurRes()
    00097 {
    00098   int i;
    00099
    00100   for (i = 0; i != _num_resolutions; i++) {
    00101     if ((int)_resolutions[i].width == _screen.width &&
    00102         (int)_resolutions[i].height == _screen.height) {
    00103       break;
    00104     }
    00105   }
    00106   return i;
    00107 }
    00108
    00109 static void ShowCustCurrency();
    00110
    00111 template <class T>
    00112 static DropDownList *BuiltSetDropDownList(int *selected_index)
    00113 {
    00114   int n = T::GetNumSets();
    00115   *selected_index = T::GetIndexOfUsedSet();
    00116
    00117   DropDownList *list = new DropDownList();
    00118   for (int i = 0; i < n; i++) {
    00119     list->push_back(new DropDownListCharStringItem(T::GetSet(i)->name, i, (_game_mode == GM_MENU) ? false : (*selected_index != i)));
    00120   }
    00121
    00122   return list;
    00123 }
    00124
    00126 template <class TBaseSet>
    00127 struct BaseSetTextfileWindow : public TextfileWindow {
    00128   const TBaseSet* baseset;
    00129   StringID content_type;
    00130
    00131   BaseSetTextfileWindow(TextfileType file_type, const TBaseSet* baseset, StringID content_type) : TextfileWindow(file_type), baseset(baseset), content_type(content_type)
    00132   {
    00133     const char *textfile = this->baseset->GetTextfile(file_type);
    00134     this->LoadTextfile(textfile, BASESET_DIR);
    00135   }
    00136
    00137   /* virtual */ void SetStringParameters(int widget) const
    00138   {
    00139     if (widget == WID_TF_CAPTION) {
    00140       SetDParam(0, content_type);
    00141       SetDParamStr(1, this->baseset->name);
    00142     }
    00143   }
    00144 };
    00145
    00152 template <class TBaseSet>
    00153 void ShowBaseSetTextfileWindow(TextfileType file_type, const TBaseSet* baseset, StringID content_type)
    00154 {
    00155   DeleteWindowByClass(WC_TEXTFILE);
    00156   new BaseSetTextfileWindow<TBaseSet>(file_type, baseset, content_type);
    00157 }
    00158
    00159 struct GameOptionsWindow : Window {
    00160   GameSettings *opt;
    00161   bool reload;
    00162
    00163   GameOptionsWindow(const WindowDesc *desc) : Window()
    00164   {
    00165     this->opt = &GetGameSettings();
    00166     this->reload = false;
    00167
    00168     this->InitNested(desc, WN_GAME_OPTIONS_GAME_OPTIONS);
    00169     this->OnInvalidateData(0);
    00170   }
    00171
    00172   ~GameOptionsWindow()
    00173   {
    00174     DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
    00175     if (this->reload) _switch_mode = SM_MENU;
    00176   }
    00177
    00184   DropDownList *BuildDropDownList(int widget, int *selected_index) const
    00185   {
    00186     DropDownList *list = NULL;
    00187     switch (widget) {
    00188       case WID_GO_CURRENCY_DROPDOWN: { // Setup currencies dropdown
    00189         list = new DropDownList();
    00190         *selected_index = this->opt->locale.currency;
    00191         StringID *items = BuildCurrencyDropdown();
    00192         uint disabled = _game_mode == GM_MENU ? 0 : ~GetMaskOfAllowedCurrencies();
    00193         int custom_index = -1;
    00194
    00195         /* Add non-custom currencies; sorted naturally */
    00196         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00197           if (*items == STR_GAME_OPTIONS_CURRENCY_CUSTOM) {
    00198             custom_index = i;
    00199           } else {
    00200             list->push_back(new DropDownListStringItem(*items, i, HasBit(disabled, i)));
    00201           }
    00202         }
    00203         list->sort(DropDownListStringItem::NatSortFunc);
    00204
    00205         /* Append custom currency at the end */
    00206         if (custom_index >= 0) {
    00207           list->push_back(new DropDownListItem(-1, false)); // separator line
    00208           list->push_back(new DropDownListStringItem(STR_GAME_OPTIONS_CURRENCY_CUSTOM, custom_index, HasBit(disabled, custom_index)));
    00209         }
    00210         break;
    00211       }
    00212
    00213       case WID_GO_DISTANCE_DROPDOWN: { // Setup distance unit dropdown
    00214         list = new DropDownList();
    00215         *selected_index = this->opt->locale.units;
    00216         const StringID *items = _units_dropdown;
    00217         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00218           list->push_back(new DropDownListStringItem(*items, i, false));
    00219         }
    00220         break;
    00221       }
    00222
    00223       case WID_GO_ROADSIDE_DROPDOWN: { // Setup road-side dropdown
    00224         list = new DropDownList();
    00225         *selected_index = this->opt->vehicle.road_side;
    00226         const StringID *items = _driveside_dropdown;
    00227         uint disabled = 0;
    00228
    00229         /* You can only change the drive side if you are in the menu or ingame with
    00230          * no vehicles present. In a networking game only the server can change it */
    00231         extern bool RoadVehiclesAreBuilt();
    00232         if ((_game_mode != GM_MENU && RoadVehiclesAreBuilt()) || (_networking && !_network_server)) {
    00233           disabled = ~(1 << this->opt->vehicle.road_side); // disable the other value
    00234         }
    00235
    00236         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00237           list->push_back(new DropDownListStringItem(*items, i, HasBit(disabled, i)));
    00238         }
    00239         break;
    00240       }
    00241
    00242       case WID_GO_TOWNNAME_DROPDOWN: { // Setup townname dropdown
    00243         list = new DropDownList();
    00244         *selected_index = this->opt->game_creation.town_name;
    00245
    00246         int enabled_item = (_game_mode == GM_MENU || Town::GetNumItems() == 0) ? -1 : *selected_index;
    00247
    00248         /* Add and sort original townnames generators */
    00249         for (int i = 0; i < _nb_orig_names; i++) {
    00250           list->push_back(new DropDownListStringItem(STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + i, i, enabled_item != i && enabled_item >= 0));
    00251         }
    00252         list->sort(DropDownListStringItem::NatSortFunc);
    00253
    00254         /* Add and sort newgrf townnames generators */
    00255         DropDownList newgrf_names;
    00256         for (int i = 0; i < _nb_grf_names; i++) {
    00257           int result = _nb_orig_names + i;
    00258           newgrf_names.push_back(new DropDownListStringItem(_grf_names[i], result, enabled_item != result && enabled_item >= 0));
    00259         }
    00260         newgrf_names.sort(DropDownListStringItem::NatSortFunc);
    00261
    00262         /* Insert newgrf_names at the top of the list */
    00263         if (newgrf_names.size() > 0) {
    00264           newgrf_names.push_back(new DropDownListItem(-1, false)); // separator line
    00265           list->splice(list->begin(), newgrf_names);
    00266         }
    00267         break;
    00268       }
    00269
    00270       case WID_GO_AUTOSAVE_DROPDOWN: { // Setup autosave dropdown
    00271         list = new DropDownList();
    00272         *selected_index = _settings_client.gui.autosave;
    00273         const StringID *items = _autosave_dropdown;
    00274         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00275           list->push_back(new DropDownListStringItem(*items, i, false));
    00276         }
    00277         break;
    00278       }
    00279
    00280       case WID_GO_LANG_DROPDOWN: { // Setup interface language dropdown
    00281         list = new DropDownList();
    00282         for (uint i = 0; i < _languages.Length(); i++) {
    00283           if (&_languages[i] == _current_language) *selected_index = i;
    00284           list->push_back(new DropDownListStringItem(SPECSTR_LANGUAGE_START + i, i, false));
    00285         }
    00286         list->sort(DropDownListStringItem::NatSortFunc);
    00287         break;
    00288       }
    00289
    00290       case WID_GO_RESOLUTION_DROPDOWN: // Setup resolution dropdown
    00291         list = new DropDownList();
    00292         *selected_index = GetCurRes();
    00293         for (int i = 0; i < _num_resolutions; i++) {
    00294           list->push_back(new DropDownListStringItem(SPECSTR_RESOLUTION_START + i, i, false));
    00295         }
    00296         break;
    00297
    00298       case WID_GO_SCREENSHOT_DROPDOWN: // Setup screenshot format dropdown
    00299         list = new DropDownList();
    00300         *selected_index = _cur_screenshot_format;
    00301         for (uint i = 0; i < _num_screenshot_formats; i++) {
    00302           if (!GetScreenshotFormatSupports_32bpp(i) && BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth() == 32) continue;
    00303           list->push_back(new DropDownListStringItem(SPECSTR_SCREENSHOT_START + i, i, false));
    00304         }
    00305         break;
    00306
    00307       case WID_GO_BASE_GRF_DROPDOWN:
    00308         list = BuiltSetDropDownList<BaseGraphics>(selected_index);
    00309         break;
    00310
    00311       case WID_GO_BASE_SFX_DROPDOWN:
    00312         list = BuiltSetDropDownList<BaseSounds>(selected_index);
    00313         break;
    00314
    00315       case WID_GO_BASE_MUSIC_DROPDOWN:
    00316         list = BuiltSetDropDownList<BaseMusic>(selected_index);
    00317         break;
    00318
    00319       default:
    00320         return NULL;
    00321     }
    00322
    00323     return list;
    00324   }
    00325
    00326   virtual void SetStringParameters(int widget) const
    00327   {
    00328     switch (widget) {
    00329       case WID_GO_CURRENCY_DROPDOWN:   SetDParam(0, _currency_specs[this->opt->locale.currency].name); break;
    00330       case WID_GO_DISTANCE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL + this->opt->locale.units); break;
    00331       case WID_GO_ROADSIDE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT + this->opt->vehicle.road_side); break;
    00332       case WID_GO_TOWNNAME_DROPDOWN:   SetDParam(0, TownName(this->opt->game_creation.town_name)); break;
    00333       case WID_GO_AUTOSAVE_DROPDOWN:   SetDParam(0, _autosave_dropdown[_settings_client.gui.autosave]); break;
    00334       case WID_GO_LANG_DROPDOWN:       SetDParamStr(0, _current_language->own_name); break;
    00335       case WID_GO_RESOLUTION_DROPDOWN: SetDParam(0, GetCurRes() == _num_resolutions ? STR_GAME_OPTIONS_RESOLUTION_OTHER : SPECSTR_RESOLUTION_START + GetCurRes()); break;
    00336       case WID_GO_SCREENSHOT_DROPDOWN: SetDParam(0, SPECSTR_SCREENSHOT_START + _cur_screenshot_format); break;
    00337       case WID_GO_BASE_GRF_DROPDOWN:   SetDParamStr(0, BaseGraphics::GetUsedSet()->name); break;
    00338       case WID_GO_BASE_GRF_STATUS:     SetDParam(0, BaseGraphics::GetUsedSet()->GetNumInvalid()); break;
    00339       case WID_GO_BASE_SFX_DROPDOWN:   SetDParamStr(0, BaseSounds::GetUsedSet()->name); break;
    00340       case WID_GO_BASE_MUSIC_DROPDOWN: SetDParamStr(0, BaseMusic::GetUsedSet()->name); break;
    00341       case WID_GO_BASE_MUSIC_STATUS:   SetDParam(0, BaseMusic::GetUsedSet()->GetNumInvalid()); break;
    00342     }
    00343   }
    00344
    00345   virtual void DrawWidget(const Rect &r, int widget) const
    00346   {
    00347     switch (widget) {
    00348       case WID_GO_BASE_GRF_DESCRIPTION:
    00349         SetDParamStr(0, BaseGraphics::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00350         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00351         break;
    00352
    00353       case WID_GO_BASE_SFX_DESCRIPTION:
    00354         SetDParamStr(0, BaseSounds::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00355         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00356         break;
    00357
    00358       case WID_GO_BASE_MUSIC_DESCRIPTION:
    00359         SetDParamStr(0, BaseMusic::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00360         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00361         break;
    00362     }
    00363   }
    00364
    00365   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00366   {
    00367     switch (widget) {
    00368       case WID_GO_BASE_GRF_DESCRIPTION:
    00369         /* Find the biggest description for the default size. */
    00370         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
    00371           SetDParamStr(0, BaseGraphics::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00372           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00373         }
    00374         break;
    00375
    00376       case WID_GO_BASE_GRF_STATUS:
    00377         /* Find the biggest description for the default size. */
    00378         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
    00379           uint invalid_files = BaseGraphics::GetSet(i)->GetNumInvalid();
    00380           if (invalid_files == 0) continue;
    00381
    00382           SetDParam(0, invalid_files);
    00383           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_GRF_STATUS));
    00384         }
    00385         break;
    00386
    00387       case WID_GO_BASE_SFX_DESCRIPTION:
    00388         /* Find the biggest description for the default size. */
    00389         for (int i = 0; i < BaseSounds::GetNumSets(); i++) {
    00390           SetDParamStr(0, BaseSounds::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00391           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00392         }
    00393         break;
    00394
    00395       case WID_GO_BASE_MUSIC_DESCRIPTION:
    00396         /* Find the biggest description for the default size. */
    00397         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
    00398           SetDParamStr(0, BaseMusic::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00399           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00400         }
    00401         break;
    00402
    00403       case WID_GO_BASE_MUSIC_STATUS:
    00404         /* Find the biggest description for the default size. */
    00405         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
    00406           uint invalid_files = BaseMusic::GetSet(i)->GetNumInvalid();
    00407           if (invalid_files == 0) continue;
    00408
    00409           SetDParam(0, invalid_files);
    00410           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_MUSIC_STATUS));
    00411         }
    00412         break;
    00413
    00414       default: {
    00415         int selected;
    00416         DropDownList *list = this->BuildDropDownList(widget, &selected);
    00417         if (list != NULL) {
    00418           /* Find the biggest item for the default size. */
    00419           for (DropDownList::iterator it = list->begin(); it != list->end(); it++) {
    00420             Dimension string_dim;
    00421             int width = (*it)->Width();
    00422             string_dim.width = width + padding.width;
    00423             string_dim.height = (*it)->Height(width) + padding.height;
    00424             *size = maxdim(*size, string_dim);
    00425             delete *it;
    00426           }
    00427           delete list;
    00428         }
    00429       }
    00430     }
    00431   }
    00432
    00433   virtual void OnClick(Point pt, int widget, int click_count)
    00434   {
    00435     if (widget >= WID_GO_BASE_GRF_TEXTFILE && widget < WID_GO_BASE_GRF_TEXTFILE + TFT_END) {
    00436       if (BaseGraphics::GetUsedSet() == NULL) return;
    00437
    00438       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_GRF_TEXTFILE), BaseGraphics::GetUsedSet(), STR_CONTENT_TYPE_BASE_GRAPHICS);
    00439       return;
    00440     }
    00441     if (widget >= WID_GO_BASE_SFX_TEXTFILE && widget < WID_GO_BASE_SFX_TEXTFILE + TFT_END) {
    00442       if (BaseSounds::GetUsedSet() == NULL) return;
    00443
    00444       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_SFX_TEXTFILE), BaseSounds::GetUsedSet(), STR_CONTENT_TYPE_BASE_SOUNDS);
    00445       return;
    00446     }
    00447     if (widget >= WID_GO_BASE_MUSIC_TEXTFILE && widget < WID_GO_BASE_MUSIC_TEXTFILE + TFT_END) {
    00448       if (BaseMusic::GetUsedSet() == NULL) return;
    00449
    00450       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_MUSIC_TEXTFILE), BaseMusic::GetUsedSet(), STR_CONTENT_TYPE_BASE_MUSIC);
    00451       return;
    00452     }
    00453     switch (widget) {
    00454       case WID_GO_FULLSCREEN_BUTTON: // Click fullscreen on/off
    00455         /* try to toggle full-screen on/off */
    00456         if (!ToggleFullScreen(!_fullscreen)) {
    00457           ShowErrorMessage(STR_ERROR_FULLSCREEN_FAILED, INVALID_STRING_ID, WL_ERROR);
    00458         }
    00459         this->SetWidgetLoweredState(WID_GO_FULLSCREEN_BUTTON, _fullscreen);
    00460         this->SetDirty();
    00461         break;
    00462
    00463       default: {
    00464         int selected;
    00465         DropDownList *list = this->BuildDropDownList(widget, &selected);
    00466         if (list != NULL) {
    00467           ShowDropDownList(this, list, selected, widget);
    00468         }
    00469         break;
    00470       }
    00471     }
    00472   }
    00473
    00479   template <class T>
    00480   void SetMediaSet(int index)
    00481   {
    00482     if (_game_mode == GM_MENU) {
    00483       const char *name = T::GetSet(index)->name;
    00484
    00485       free(T::ini_set);
    00486       T::ini_set = strdup(name);
    00487
    00488       T::SetSet(name);
    00489       this->reload = true;
    00490       this->InvalidateData();
    00491     }
    00492   }
    00493
    00494   virtual void OnDropdownSelect(int widget, int index)
    00495   {
    00496     switch (widget) {
    00497       case WID_GO_CURRENCY_DROPDOWN: // Currency
    00498         if (index == CUSTOM_CURRENCY_ID) ShowCustCurrency();
    00499         this->opt->locale.currency = index;
    00500         ReInitAllWindows();
    00501         break;
    00502
    00503       case WID_GO_DISTANCE_DROPDOWN: // Measuring units
    00504         this->opt->locale.units = index;
    00505         MarkWholeScreenDirty();
    00506         break;
    00507
    00508       case WID_GO_ROADSIDE_DROPDOWN: // Road side
    00509         if (this->opt->vehicle.road_side != index) { // only change if setting changed
    00510           uint i;
    00511           if (GetSettingFromName("vehicle.road_side", &i) == NULL) NOT_REACHED();
    00512           SetSettingValue(i, index);
    00513           MarkWholeScreenDirty();
    00514         }
    00515         break;
    00516
    00517       case WID_GO_TOWNNAME_DROPDOWN: // Town names
    00518         if (_game_mode == GM_MENU || Town::GetNumItems() == 0) {
    00519           this->opt->game_creation.town_name = index;
    00520           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_OPTIONS);
    00521         }
    00522         break;
    00523
    00524       case WID_GO_AUTOSAVE_DROPDOWN: // Autosave options
    00525         _settings_client.gui.autosave = index;
    00526         this->SetDirty();
    00527         break;
    00528
    00529       case WID_GO_LANG_DROPDOWN: // Change interface language
    00530         ReadLanguagePack(&_languages[index]);
    00531         DeleteWindowByClass(WC_QUERY_STRING);
    00532         CheckForMissingGlyphs();
    00533         UpdateAllVirtCoords();
    00534         ReInitAllWindows();
    00535         break;
    00536
    00537       case WID_GO_RESOLUTION_DROPDOWN: // Change resolution
    00538         if (index < _num_resolutions && ChangeResInGame(_resolutions[index].width, _resolutions[index].height)) {
    00539           this->SetDirty();
    00540         }
    00541         break;
    00542
    00543       case WID_GO_SCREENSHOT_DROPDOWN: // Change screenshot format
    00544         SetScreenshotFormat(index);
    00545         this->SetDirty();
    00546         break;
    00547
    00548       case WID_GO_BASE_GRF_DROPDOWN:
    00549         this->SetMediaSet<BaseGraphics>(index);
    00550         break;
    00551
    00552       case WID_GO_BASE_SFX_DROPDOWN:
    00553         this->SetMediaSet<BaseSounds>(index);
    00554         break;
    00555
    00556       case WID_GO_BASE_MUSIC_DROPDOWN:
    00557         this->SetMediaSet<BaseMusic>(index);
    00558         break;
    00559     }
    00560   }
    00561
    00567   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00568   {
    00569     if (!gui_scope) return;
    00570     this->SetWidgetLoweredState(WID_GO_FULLSCREEN_BUTTON, _fullscreen);
    00571
    00572     bool missing_files = BaseGraphics::GetUsedSet()->GetNumMissing() == 0;
    00573     this->GetWidget<NWidgetCore>(WID_GO_BASE_GRF_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_GRF_STATUS, STR_NULL);
    00574
    00575     for (TextfileType tft = TFT_BEGIN; tft < TFT_END; tft++) {
    00576       this->SetWidgetDisabledState(WID_GO_BASE_GRF_TEXTFILE + tft, BaseGraphics::GetUsedSet() == NULL || BaseGraphics::GetUsedSet()->GetTextfile(tft) == NULL);
    00577       this->SetWidgetDisabledState(WID_GO_BASE_SFX_TEXTFILE + tft, BaseSounds::GetUsedSet() == NULL || BaseSounds::GetUsedSet()->GetTextfile(tft) == NULL);
    00578       this->SetWidgetDisabledState(WID_GO_BASE_MUSIC_TEXTFILE + tft, BaseMusic::GetUsedSet() == NULL || BaseMusic::GetUsedSet()->GetTextfile(tft) == NULL);
    00579     }
    00580
    00581     missing_files = BaseMusic::GetUsedSet()->GetNumInvalid() == 0;
    00582     this->GetWidget<NWidgetCore>(WID_GO_BASE_MUSIC_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_MUSIC_STATUS, STR_NULL);
    00583   }
    00584 };
    00585
    00586 static const NWidgetPart _nested_game_options_widgets[] = {
    00587   NWidget(NWID_HORIZONTAL),
    00588     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00589     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00590   EndContainer(),
    00591   NWidget(WWT_PANEL, COLOUR_GREY, WID_GO_BACKGROUND), SetPIP(6, 6, 10),
    00592     NWidget(NWID_HORIZONTAL), SetPIP(10, 10, 10),
    00593       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
    00594         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CURRENCY_UNITS_FRAME, STR_NULL),
    00595           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),
    00596         EndContainer(),
    00597         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_ROAD_VEHICLES_FRAME, STR_NULL),
    00598           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),
    00599         EndContainer(),
    00600         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_AUTOSAVE_FRAME, STR_NULL),
    00601           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),
    00602         EndContainer(),
    00603         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_RESOLUTION, STR_NULL),
    00604           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),
    00605           NWidget(NWID_HORIZONTAL),
    00606             NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_FULLSCREEN, STR_NULL),
    00607             NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_FULLSCREEN_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_FULLSCREEN_TOOLTIP),
    00608           EndContainer(),
    00609         EndContainer(),
    00610       EndContainer(),
    00611
    00612       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
    00613         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_MEASURING_UNITS_FRAME, STR_NULL),
    00614           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_DISTANCE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_MEASURING_UNITS_DROPDOWN_TOOLTIP), SetFill(1, 0),
    00615         EndContainer(),
    00616         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_TOWN_NAMES_FRAME, STR_NULL),
    00617           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),
    00618         EndContainer(),
    00619         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_LANGUAGE, STR_NULL),
    00620           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),
    00621         EndContainer(),
    00622         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_SCREENSHOT_FORMAT, STR_NULL),
    00623           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),
    00624         EndContainer(),
    00625         NWidget(NWID_SPACER), SetMinimalSize(0, 0), SetFill(0, 1),
    00626       EndContainer(),
    00627     EndContainer(),
    00628
    00629     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_GRF, STR_NULL), SetPadding(0, 10, 0, 10),
    00630       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00631         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_GRF_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_GRF_TOOLTIP),
    00632         NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_GRF_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
    00633       EndContainer(),
    00634       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),
    00635       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00636         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),
    00637         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),
    00638         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),
    00639       EndContainer(),
    00640     EndContainer(),
    00641
    00642     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_SFX, STR_NULL), SetPadding(0, 10, 0, 10),
    00643       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00644         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_SFX_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_SFX_TOOLTIP),
    00645         NWidget(NWID_SPACER), SetFill(1, 0),
    00646       EndContainer(),
    00647       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),
    00648       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00649         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),
    00650         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),
    00651         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),
    00652       EndContainer(),
    00653     EndContainer(),
    00654
    00655     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_MUSIC, STR_NULL), SetPadding(0, 10, 0, 10),
    00656       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00657         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_MUSIC_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_MUSIC_TOOLTIP),
    00658         NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_MUSIC_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
    00659       EndContainer(),
    00660       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),
    00661       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00662         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),
    00663         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),
    00664         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),
    00665       EndContainer(),
    00666     EndContainer(),
    00667   EndContainer(),
    00668 };
    00669
    00670 static const WindowDesc _game_options_desc(
    00671   WDP_CENTER, 0, 0,
    00672   WC_GAME_OPTIONS, WC_NONE,
    00673   0,
    00674   _nested_game_options_widgets, lengthof(_nested_game_options_widgets)
    00675 );
    00676
    00678 void ShowGameOptions()
    00679 {
    00680   DeleteWindowByClass(WC_GAME_OPTIONS);
    00681   new GameOptionsWindow(&_game_options_desc);
    00682 }
    00683
    00684 static int SETTING_HEIGHT = 11;
    00685 static const int LEVEL_WIDTH = 15;
    00686
    00691 enum SettingEntryFlags {
    00692   SEF_LEFT_DEPRESSED  = 0x01,
    00693   SEF_RIGHT_DEPRESSED = 0x02,
    00694   SEF_BUTTONS_MASK = (SEF_LEFT_DEPRESSED | SEF_RIGHT_DEPRESSED),
    00695
    00696   SEF_LAST_FIELD = 0x04,
    00697   SEF_FILTERED   = 0x08,
    00698
    00699   /* Entry kind */
    00700   SEF_SETTING_KIND = 0x10,
    00701   SEF_SUBTREE_KIND = 0x20,
    00702   SEF_KIND_MASK    = (SEF_SETTING_KIND | SEF_SUBTREE_KIND),
    00703 };
    00704
    00705 struct SettingsPage; // Forward declaration
    00706
    00708 struct SettingEntrySubtree {
    00709   SettingsPage *page;
    00710   bool folded;
    00711   StringID title;
    00712 };
    00713
    00715 struct SettingEntrySetting {
    00716   const char *name;
    00717   const SettingDesc *setting;
    00718   uint index;
    00719 };
    00720
    00722 enum RestrictionMode {
    00723   RM_BASIC,
    00724   RM_ADVANCED,
    00725   RM_ALL,
    00726   RM_CHANGED_AGAINST_DEFAULT,
    00727   RM_CHANGED_AGAINST_NEW,
    00728   RM_END,
    00729 };
    00730
    00732 struct SettingFilter {
    00733   StringFilter string;
    00734   RestrictionMode mode;
    00735   SettingType type;
    00736 };
    00737
    00739 struct SettingEntry {
    00740   byte flags;
    00741   byte level;
    00742   union {
    00743     SettingEntrySetting entry;
    00744     SettingEntrySubtree sub;
    00745   } d;
    00746
    00747   SettingEntry(const char *nm);
    00748   SettingEntry(SettingsPage *sub, StringID title);
    00749
    00750   void Init(byte level);
    00751   void FoldAll();
    00752   void UnFoldAll();
    00753   void SetButtons(byte new_val);
    00754
    00759   void SetLastField(bool last_field) { if (last_field) SETBITS(this->flags, SEF_LAST_FIELD); else CLRBITS(this->flags, SEF_LAST_FIELD); }
    00760
    00761   uint Length() const;
    00762   void GetFoldingState(bool &all_folded, bool &all_unfolded) const;
    00763   bool IsVisible(const SettingEntry *item) const;
    00764   SettingEntry *FindEntry(uint row, uint *cur_row);
    00765   uint GetMaxHelpHeight(int maxw);
    00766
    00767   bool IsFiltered() const;
    00768   bool UpdateFilterState(SettingFilter &filter, bool force_visible);
    00769
    00770   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);
    00771
    00776   inline StringID GetHelpText()
    00777   {
    00778     assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    00779     return this->d.entry.setting->desc.str_help;
    00780   }
    00781
    00782   void SetValueDParams(uint first_param, int32 value);
    00783
    00784 private:
    00785   void DrawSetting(GameSettings *settings_ptr, int x, int y, int max_x, int state, bool highlight);
    00786   bool IsVisibleByRestrictionMode(RestrictionMode mode) const;
    00787 };
    00788
    00790 struct SettingsPage {
    00791   SettingEntry *entries;
    00792   byte num;
    00793
    00794   void Init(byte level = 0);
    00795   void FoldAll();
    00796   void UnFoldAll();
    00797
    00798   uint Length() const;
    00799   void GetFoldingState(bool &all_folded, bool &all_unfolded) const;
    00800   bool IsVisible(const SettingEntry *item) const;
    00801   SettingEntry *FindEntry(uint row, uint *cur_row) const;
    00802   uint GetMaxHelpHeight(int maxw);
    00803
    00804   bool UpdateFilterState(SettingFilter &filter, bool force_visible);
    00805
    00806   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;
    00807 };
    00808
    00809
    00810 /* == SettingEntry methods == */
    00811
    00816 SettingEntry::SettingEntry(const char *nm)
    00817 {
    00818   this->flags = SEF_SETTING_KIND;
    00819   this->level = 0;
    00820   this->d.entry.name = nm;
    00821   this->d.entry.setting = NULL;
    00822   this->d.entry.index = 0;
    00823 }
    00824
    00830 SettingEntry::SettingEntry(SettingsPage *sub, StringID title)
    00831 {
    00832   this->flags = SEF_SUBTREE_KIND;
    00833   this->level = 0;
    00834   this->d.sub.page = sub;
    00835   this->d.sub.folded = true;
    00836   this->d.sub.title = title;
    00837 }
    00838
    00843 void SettingEntry::Init(byte level)
    00844 {
    00845   this->level = level;
    00846
    00847   switch (this->flags & SEF_KIND_MASK) {
    00848     case SEF_SETTING_KIND:
    00849       this->d.entry.setting = GetSettingFromName(this->d.entry.name, &this->d.entry.index);
    00850       assert(this->d.entry.setting != NULL);
    00851       break;
    00852     case SEF_SUBTREE_KIND:
    00853       this->d.sub.page->Init(level + 1);
    00854       break;
    00855     default: NOT_REACHED();
    00856   }
    00857 }
    00858
    00860 void SettingEntry::FoldAll()
    00861 {
    00862   if (this->IsFiltered()) return;
    00863   switch (this->flags & SEF_KIND_MASK) {
    00864     case SEF_SETTING_KIND:
    00865       break;
    00866
    00867     case SEF_SUBTREE_KIND:
    00868       this->d.sub.folded = true;
    00869       this->d.sub.page->FoldAll();
    00870       break;
    00871
    00872     default: NOT_REACHED();
    00873   }
    00874 }
    00875
    00877 void SettingEntry::UnFoldAll()
    00878 {
    00879   if (this->IsFiltered()) return;
    00880   switch (this->flags & SEF_KIND_MASK) {
    00881     case SEF_SETTING_KIND:
    00882       break;
    00883
    00884     case SEF_SUBTREE_KIND:
    00885       this->d.sub.folded = false;
    00886       this->d.sub.page->UnFoldAll();
    00887       break;
    00888
    00889     default: NOT_REACHED();
    00890   }
    00891 }
    00892
    00898 void SettingEntry::GetFoldingState(bool &all_folded, bool &all_unfolded) const
    00899 {
    00900   if (this->IsFiltered()) return;
    00901   switch (this->flags & SEF_KIND_MASK) {
    00902     case SEF_SETTING_KIND:
    00903       break;
    00904
    00905     case SEF_SUBTREE_KIND:
    00906       if (this->d.sub.folded) {
    00907         all_unfolded = false;
    00908       } else {
    00909         all_folded = false;
    00910       }
    00911       this->d.sub.page->GetFoldingState(all_folded, all_unfolded);
    00912       break;
    00913
    00914     default: NOT_REACHED();
    00915   }
    00916 }
    00917
    00924 bool SettingEntry::IsVisible(const SettingEntry *item) const
    00925 {
    00926   if (this->IsFiltered()) return false;
    00927   if (this == item) return true;
    00928
    00929   switch (this->flags & SEF_KIND_MASK) {
    00930     case SEF_SETTING_KIND:
    00931       return false;
    00932
    00933     case SEF_SUBTREE_KIND:
    00934       return !this->d.sub.folded && this->d.sub.page->IsVisible(item);
    00935
    00936     default: NOT_REACHED();
    00937   }
    00938 }
    00939
    00945 void SettingEntry::SetButtons(byte new_val)
    00946 {
    00947   assert((new_val & ~SEF_BUTTONS_MASK) == 0); // Should not touch any flags outside the buttons
    00948   this->flags = (this->flags & ~SEF_BUTTONS_MASK) | new_val;
    00949 }
    00950
    00952 uint SettingEntry::Length() const
    00953 {
    00954   if (this->IsFiltered()) return 0;
    00955   switch (this->flags & SEF_KIND_MASK) {
    00956     case SEF_SETTING_KIND:
    00957       return 1;
    00958     case SEF_SUBTREE_KIND:
    00959       if (this->d.sub.folded) return 1; // Only displaying the title
    00960
    00961       return 1 + this->d.sub.page->Length(); // 1 extra row for the title
    00962     default: NOT_REACHED();
    00963   }
    00964 }
    00965
    00972 SettingEntry *SettingEntry::FindEntry(uint row_num, uint *cur_row)
    00973 {
    00974   if (this->IsFiltered()) return NULL;
    00975   if (row_num == *cur_row) return this;
    00976
    00977   switch (this->flags & SEF_KIND_MASK) {
    00978     case SEF_SETTING_KIND:
    00979       (*cur_row)++;
    00980       break;
    00981     case SEF_SUBTREE_KIND:
    00982       (*cur_row)++; // add one for row containing the title
    00983       if (this->d.sub.folded) {
    00984         break;
    00985       }
    00986
    00987       /* sub-page is visible => search it too */
    00988       return this->d.sub.page->FindEntry(row_num, cur_row);
    00989     default: NOT_REACHED();
    00990   }
    00991   return NULL;
    00992 }
    00993
    00999 uint SettingEntry::GetMaxHelpHeight(int maxw)
    01000 {
    01001   switch (this->flags & SEF_KIND_MASK) {
    01002     case SEF_SETTING_KIND: return GetStringHeight(this->GetHelpText(), maxw);
    01003     case SEF_SUBTREE_KIND: return this->d.sub.page->GetMaxHelpHeight(maxw);
    01004     default:               NOT_REACHED();
    01005   }
    01006 }
    01007
    01012 bool SettingEntry::IsFiltered() const
    01013 {
    01014   return (this->flags & SEF_FILTERED) != 0;
    01015 }
    01016
    01022 bool SettingEntry::IsVisibleByRestrictionMode(RestrictionMode mode) const
    01023 {
    01024   /* There shall not be any restriction, i.e. all settings shall be visible. */
    01025   if (mode == RM_ALL) return true;
    01026
    01027   GameSettings *settings_ptr = &GetGameSettings();
    01028   assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01029   const SettingDesc *sd = this->d.entry.setting;
    01030
    01031   if (mode == RM_BASIC) return (this->d.entry.setting->desc.cat & SC_BASIC_LIST) != 0;
    01032   if (mode == RM_ADVANCED) return (this->d.entry.setting->desc.cat & SC_ADVANCED_LIST) != 0;
    01033
    01034   /* Read the current value. */
    01035   const void *var = ResolveVariableAddress(settings_ptr, sd);
    01036   int64 current_value = ReadValue(var, sd->save.conv);
    01037
    01038   int64 filter_value;
    01039
    01040   if (mode == RM_CHANGED_AGAINST_DEFAULT) {
    01041     /* This entry shall only be visible, if the value deviates from its default value. */
    01042
    01043     /* Read the default value. */
    01044     filter_value = ReadValue(&sd->desc.def, sd->save.conv);
    01045   } else {
    01046     assert(mode == RM_CHANGED_AGAINST_NEW);
    01047     /* This entry shall only be visible, if the value deviates from
    01048      * its value is used when starting a new game. */
    01049
    01050     /* Make sure we're not comparing the new game settings against itself. */
    01051     assert(settings_ptr != &_settings_newgame);
    01052
    01053     /* Read the new game's value. */
    01054     var = ResolveVariableAddress(&_settings_newgame, sd);
    01055     filter_value = ReadValue(var, sd->save.conv);
    01056   }
    01057
    01058   return current_value != filter_value;
    01059 }
    01060
    01067 bool SettingEntry::UpdateFilterState(SettingFilter &filter, bool force_visible)
    01068 {
    01069   CLRBITS(this->flags, SEF_FILTERED);
    01070
    01071   bool visible = true;
    01072   switch (this->flags & SEF_KIND_MASK) {
    01073     case SEF_SETTING_KIND: {
    01074       const SettingDesc *sd = this->d.entry.setting;
    01075       if (!force_visible && !filter.string.IsEmpty()) {
    01076         /* Process the search text filter for this item. */
    01077         filter.string.ResetState();
    01078
    01079         const SettingDescBase *sdb = &sd->desc;
    01080
    01081         SetDParam(0, STR_EMPTY);
    01082         filter.string.AddLine(sdb->str);
    01083         filter.string.AddLine(this->GetHelpText());
    01084
    01085         visible = filter.string.GetState();
    01086       }
    01087       if (filter.type != ST_ALL) visible = visible && sd->GetType() == filter.type;
    01088       visible = visible && this->IsVisibleByRestrictionMode(filter.mode);
    01089       break;
    01090     }
    01091     case SEF_SUBTREE_KIND: {
    01092       if (!force_visible && !filter.string.IsEmpty()) {
    01093         filter.string.ResetState();
    01094         filter.string.AddLine(this->d.sub.title);
    01095         force_visible = filter.string.GetState();
    01096       }
    01097       visible = this->d.sub.page->UpdateFilterState(filter, force_visible);
    01098       break;
    01099     }
    01100     default: NOT_REACHED();
    01101   }
    01102
    01103   if (!visible) SETBITS(this->flags, SEF_FILTERED);
    01104   return visible;
    01105 }
    01106
    01107
    01108
    01136 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)
    01137 {
    01138   if (this->IsFiltered()) return cur_row;
    01139   if (cur_row >= max_row) return cur_row;
    01140
    01141   bool rtl = _current_text_dir == TD_RTL;
    01142   int offset = rtl ? -4 : 4;
    01143   int level_width = rtl ? -LEVEL_WIDTH : LEVEL_WIDTH;
    01144
    01145   int x = rtl ? right : left;
    01146   int y = base_y;
    01147   if (cur_row >= first_row) {
    01148     int colour = _colour_gradient[COLOUR_ORANGE][4];
    01149     y = base_y + (cur_row - first_row) * SETTING_HEIGHT; // Compute correct y start position
    01150
    01151     /* Draw vertical for parent nesting levels */
    01152     for (uint lvl = 0; lvl < this->level; lvl++) {
    01153       if (!HasBit(parent_last, lvl)) GfxDrawLine(x + offset, y, x + offset, y + SETTING_HEIGHT - 1, colour);
    01154       x += level_width;
    01155     }
    01156     /* draw own |- prefix */
    01157     int halfway_y = y + SETTING_HEIGHT / 2;
    01158     int bottom_y = (flags & SEF_LAST_FIELD) ? halfway_y : y + SETTING_HEIGHT - 1;
    01159     GfxDrawLine(x + offset, y, x + offset, bottom_y, colour);
    01160     /* Small horizontal line from the last vertical line */
    01161     GfxDrawLine(x + offset, halfway_y, x + level_width - offset, halfway_y, colour);
    01162     x += level_width;
    01163   }
    01164
    01165   switch (this->flags & SEF_KIND_MASK) {
    01166     case SEF_SETTING_KIND:
    01167       if (cur_row >= first_row) {
    01168         this->DrawSetting(settings_ptr, rtl ? left : x, rtl ? x : right, y, this->flags & SEF_BUTTONS_MASK,
    01169             this == selected);
    01170       }
    01171       cur_row++;
    01172       break;
    01173     case SEF_SUBTREE_KIND:
    01174       if (cur_row >= first_row) {
    01175         DrawSprite((this->d.sub.folded ? SPR_CIRCLE_FOLDED : SPR_CIRCLE_UNFOLDED), PAL_NONE, rtl ? x - 8 : x, y + (SETTING_HEIGHT - 11) / 2);
    01176         DrawString(rtl ? left : x + 12, rtl ? x - 12 : right, y, this->d.sub.title);
    01177       }
    01178       cur_row++;
    01179       if (!this->d.sub.folded) {
    01180         if (this->flags & SEF_LAST_FIELD) {
    01181           assert(this->level < sizeof(parent_last));
    01182           SetBit(parent_last, this->level); // Add own last-field state
    01183         }
    01184
    01185         cur_row = this->d.sub.page->Draw(settings_ptr, left, right, base_y, first_row, max_row, selected, cur_row, parent_last);
    01186       }
    01187       break;
    01188     default: NOT_REACHED();
    01189   }
    01190   return cur_row;
    01191 }
    01192
    01193 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd)
    01194 {
    01195   if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    01196     if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
    01197       return GetVariableAddress(&Company::Get(_local_company)->settings, &sd->save);
    01198     } else {
    01199       return GetVariableAddress(&_settings_client.company, &sd->save);
    01200     }
    01201   } else {
    01202     return GetVariableAddress(settings_ptr, &sd->save);
    01203   }
    01204 }
    01205
    01211 void SettingEntry::SetValueDParams(uint first_param, int32 value)
    01212 {
    01213   assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01214   const SettingDescBase *sdb = &this->d.entry.setting->desc;
    01215   if (sdb->cmd == SDT_BOOLX) {
    01216     SetDParam(first_param++, value != 0 ? STR_CONFIG_SETTING_ON : STR_CONFIG_SETTING_OFF);
    01217   } else {
    01218     if ((sdb->flags & SGF_MULTISTRING) != 0) {
    01219       SetDParam(first_param++, sdb->str_val - sdb->min + value);
    01220     } else if ((sdb->flags & SGF_DISPLAY_ABS) != 0) {
    01221       SetDParam(first_param++, sdb->str_val + ((value >= 0) ? 1 : 0));
    01222       value = abs(value);
    01223     } else {
    01224       SetDParam(first_param++, sdb->str_val + ((value == 0 && (sdb->flags & SGF_0ISDISABLED) != 0) ? 1 : 0));
    01225     }
    01226     SetDParam(first_param++, value);
    01227   }
    01228 }
    01229
    01239 void SettingEntry::DrawSetting(GameSettings *settings_ptr, int left, int right, int y, int state, bool highlight)
    01240 {
    01241   const SettingDesc *sd = this->d.entry.setting;
    01242   const SettingDescBase *sdb = &sd->desc;
    01243   const void *var = ResolveVariableAddress(settings_ptr, sd);
    01244
    01245   bool rtl = _current_text_dir == TD_RTL;
    01246   uint buttons_left = rtl ? right + 1 - SETTING_BUTTON_WIDTH : left;
    01247   uint text_left  = left + (rtl ? 0 : SETTING_BUTTON_WIDTH + 5);
    01248   uint text_right = right - (rtl ? SETTING_BUTTON_WIDTH + 5 : 0);
    01249   uint button_y = y + (SETTING_HEIGHT - SETTING_BUTTON_HEIGHT) / 2;
    01250
    01251   /* We do not allow changes of some items when we are a client in a networkgame */
    01252   bool editable = sd->IsEditable();
    01253
    01254   SetDParam(0, highlight ? STR_ORANGE_STRING1_WHITE : STR_ORANGE_STRING1_LTBLUE);
    01255   int32 value = (int32)ReadValue(var, sd->save.conv);
    01256   if (sdb->cmd == SDT_BOOLX) {
    01257     /* Draw checkbox for boolean-value either on/off */
    01258     DrawBoolButton(buttons_left, button_y, value != 0, editable);
    01259   } else if ((sdb->flags & SGF_MULTISTRING) != 0) {
    01260     /* Draw [v] button for settings of an enum-type */
    01261     DrawDropDownButton(buttons_left, button_y, COLOUR_YELLOW, state != 0, editable);
    01262   } else {
    01263     /* Draw [<][>] boxes for settings of an integer-type */
    01264     DrawArrowButtons(buttons_left, button_y, COLOUR_YELLOW, state,
    01265         editable && value != (sdb->flags & SGF_0ISDISABLED ? 0 : sdb->min), editable && (uint32)value != sdb->max);
    01266   }
    01267   this->SetValueDParams(1, value);
    01268   DrawString(text_left, text_right, y, sdb->str, highlight ? TC_WHITE : TC_LIGHT_BLUE);
    01269 }
    01270
    01271
    01272 /* == SettingsPage methods == */
    01273
    01278 void SettingsPage::Init(byte level)
    01279 {
    01280   for (uint field = 0; field < this->num; field++) {
    01281     this->entries[field].Init(level);
    01282   }
    01283 }
    01284
    01286 void SettingsPage::FoldAll()
    01287 {
    01288   for (uint field = 0; field < this->num; field++) {
    01289     this->entries[field].FoldAll();
    01290   }
    01291 }
    01292
    01294 void SettingsPage::UnFoldAll()
    01295 {
    01296   for (uint field = 0; field < this->num; field++) {
    01297     this->entries[field].UnFoldAll();
    01298   }
    01299 }
    01300
    01306 void SettingsPage::GetFoldingState(bool &all_folded, bool &all_unfolded) const
    01307 {
    01308   for (uint field = 0; field < this->num; field++) {
    01309     this->entries[field].GetFoldingState(all_folded, all_unfolded);
    01310   }
    01311 }
    01312
    01319 bool SettingsPage::UpdateFilterState(SettingFilter &filter, bool force_visible)
    01320 {
    01321   bool visible = false;
    01322   bool first_visible = true;
    01323   for (int field = this->num - 1; field >= 0; field--) {
    01324     visible |= this->entries[field].UpdateFilterState(filter, force_visible);
    01325     this->entries[field].SetLastField(first_visible);
    01326     if (visible && first_visible) first_visible = false;
    01327   }
    01328   return visible;
    01329 }
    01330
    01331
    01338 bool SettingsPage::IsVisible(const SettingEntry *item) const
    01339 {
    01340   for (uint field = 0; field < this->num; field++) {
    01341     if (this->entries[field].IsVisible(item)) return true;
    01342   }
    01343   return false;
    01344 }
    01345
    01347 uint SettingsPage::Length() const
    01348 {
    01349   uint length = 0;
    01350   for (uint field = 0; field < this->num; field++) {
    01351     length += this->entries[field].Length();
    01352   }
    01353   return length;
    01354 }
    01355
    01362 SettingEntry *SettingsPage::FindEntry(uint row_num, uint *cur_row) const
    01363 {
    01364   SettingEntry *pe = NULL;
    01365
    01366   for (uint field = 0; field < this->num; field++) {
    01367     pe = this->entries[field].FindEntry(row_num, cur_row);
    01368     if (pe != NULL) {
    01369       break;
    01370     }
    01371   }
    01372   return pe;
    01373 }
    01374
    01380 uint SettingsPage::GetMaxHelpHeight(int maxw)
    01381 {
    01382   uint biggest = 0;
    01383   for (uint field = 0; field < this->num; field++) {
    01384     biggest = max(biggest, this->entries[field].GetMaxHelpHeight(maxw));
    01385   }
    01386   return biggest;
    01387 }
    01388
    01407 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
    01408 {
    01409   if (cur_row >= max_row) return cur_row;
    01410
    01411   for (uint i = 0; i < this->num; i++) {
    01412     cur_row = this->entries[i].Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last, selected);
    01413     if (cur_row >= max_row) {
    01414       break;
    01415     }
    01416   }
    01417   return cur_row;
    01418 }
    01419
    01420
    01421 static SettingEntry _settings_ui_display[] = {
    01422   SettingEntry("gui.date_format_in_default_names"),
    01423   SettingEntry("gui.population_in_label"),
    01424   SettingEntry("gui.measure_tooltip"),
    01425   SettingEntry("gui.loading_indicators"),
    01426   SettingEntry("gui.liveries"),
    01427   SettingEntry("gui.show_track_reservation"),
    01428   SettingEntry("gui.expenses_layout"),
    01429   SettingEntry("gui.smallmap_land_colour"),
    01430   SettingEntry("gui.zoom_min"),
    01431   SettingEntry("gui.zoom_max"),
    01432   SettingEntry("gui.graph_line_thickness"),
    01433 };
    01435 static SettingsPage _settings_ui_display_page = {_settings_ui_display, lengthof(_settings_ui_display)};
    01436
    01437 static SettingEntry _settings_ui_interaction[] = {
    01438   SettingEntry("gui.window_snap_radius"),
    01439   SettingEntry("gui.window_soft_limit"),
    01440   SettingEntry("gui.link_terraform_toolbar"),
    01441   SettingEntry("gui.prefer_teamchat"),
    01442   SettingEntry("gui.auto_scrolling"),
    01443   SettingEntry("gui.reverse_scroll"),
    01444   SettingEntry("gui.smooth_scroll"),
    01445   SettingEntry("gui.left_mouse_btn_scrolling"),
    01446   /* While the horizontal scrollwheel scrolling is written as general code, only
    01447    *  the cocoa (OSX) driver generates input for it.
    01448    *  Since it's also able to completely disable the scrollwheel will we display it on all platforms anyway */
    01449   SettingEntry("gui.scrollwheel_scrolling"),
    01450   SettingEntry("gui.scrollwheel_multiplier"),
    01451   SettingEntry("gui.osk_activation"),
    01452 #ifdef __APPLE__
    01453   /* We might need to emulate a right mouse button on mac */
    01454   SettingEntry("gui.right_mouse_btn_emulation"),
    01455 #endif
    01456 };
    01458 static SettingsPage _settings_ui_interaction_page = {_settings_ui_interaction, lengthof(_settings_ui_interaction)};
    01459
    01460 static SettingEntry _settings_ui_sound[] = {
    01461   SettingEntry("sound.click_beep"),
    01462   SettingEntry("sound.confirm"),
    01463   SettingEntry("sound.news_ticker"),
    01464   SettingEntry("sound.news_full"),
    01465   SettingEntry("sound.new_year"),
    01466   SettingEntry("sound.disaster"),
    01467   SettingEntry("sound.vehicle"),
    01468   SettingEntry("sound.ambient"),
    01469 };
    01471 static SettingsPage _settings_ui_sound_page = {_settings_ui_sound, lengthof(_settings_ui_sound)};
    01472
    01473 static SettingEntry _settings_ui_news[] = {
    01474   SettingEntry("news_display.arrival_player"),
    01475   SettingEntry("news_display.arrival_other"),
    01476   SettingEntry("news_display.accident"),
    01477   SettingEntry("news_display.company_info"),
    01478   SettingEntry("news_display.open"),
    01479   SettingEntry("news_display.close"),
    01480   SettingEntry("news_display.economy"),
    01481   SettingEntry("news_display.production_player"),
    01482   SettingEntry("news_display.production_other"),
    01483   SettingEntry("news_display.production_nobody"),
    01484   SettingEntry("news_display.advice"),
    01485   SettingEntry("news_display.new_vehicles"),
    01486   SettingEntry("news_display.acceptance"),
    01487   SettingEntry("news_display.subsidies"),
    01488   SettingEntry("news_display.general"),
    01489   SettingEntry("gui.coloured_news_year"),
    01490 };
    01492 static SettingsPage _settings_ui_news_page = {_settings_ui_news, lengthof(_settings_ui_news)};
    01493
    01494 static SettingEntry _settings_ui[] = {
    01495   SettingEntry(&_settings_ui_display_page, STR_CONFIG_SETTING_DISPLAY_OPTIONS),
    01496   SettingEntry(&_settings_ui_interaction_page, STR_CONFIG_SETTING_INTERACTION),
    01497   SettingEntry(&_settings_ui_sound_page, STR_CONFIG_SETTING_SOUND),
    01498   SettingEntry(&_settings_ui_news_page, STR_CONFIG_SETTING_NEWS),
    01499   SettingEntry("gui.show_finances"),
    01500   SettingEntry("gui.errmsg_duration"),
    01501   SettingEntry("gui.hover_delay"),
    01502   SettingEntry("gui.toolbar_pos"),
    01503   SettingEntry("gui.statusbar_pos"),
    01504   SettingEntry("gui.newgrf_default_palette"),
    01505   SettingEntry("gui.pause_on_newgame"),
    01506   SettingEntry("gui.advanced_vehicle_list"),
    01507   SettingEntry("gui.timetable_in_ticks"),
    01508   SettingEntry("gui.timetable_arrival_departure"),
    01509   SettingEntry("gui.quick_goto"),
    01510   SettingEntry("gui.default_rail_type"),
    01511   SettingEntry("gui.disable_unsuitable_building"),
    01512   SettingEntry("gui.persistent_buildingtools"),
    01513 };
    01515 static SettingsPage _settings_ui_page = {_settings_ui, lengthof(_settings_ui)};
    01516
    01517 static SettingEntry _settings_construction_signals[] = {
    01518   SettingEntry("construction.train_signal_side"),
    01519   SettingEntry("gui.enable_signal_gui"),
    01520   SettingEntry("gui.drag_signals_fixed_distance"),
    01521   SettingEntry("gui.semaphore_build_before"),
    01522   SettingEntry("gui.default_signal_type"),
    01523   SettingEntry("gui.cycle_signal_types"),
    01524 };
    01526 static SettingsPage _settings_construction_signals_page = {_settings_construction_signals, lengthof(_settings_construction_signals)};
    01527
    01528 static SettingEntry _settings_construction[] = {
    01529   SettingEntry(&_settings_construction_signals_page, STR_CONFIG_SETTING_CONSTRUCTION_SIGNALS),
    01530   SettingEntry("construction.build_on_slopes"),
    01531   SettingEntry("construction.autoslope"),
    01532   SettingEntry("construction.extra_dynamite"),
    01533   SettingEntry("construction.max_bridge_length"),
    01534   SettingEntry("construction.max_tunnel_length"),
    01535   SettingEntry("station.never_expire_airports"),
    01536   SettingEntry("construction.freeform_edges"),
    01537   SettingEntry("construction.extra_tree_placement"),
    01538   SettingEntry("construction.command_pause_level"),
    01539 };
    01541 static SettingsPage _settings_construction_page = {_settings_construction, lengthof(_settings_construction)};
    01542
    01543 static SettingEntry _settings_stations_cargo[] = {
    01544   SettingEntry("order.improved_load"),
    01545   SettingEntry("order.gradual_loading"),
    01546   SettingEntry("order.selectgoods"),
    01547 };
    01549 static SettingsPage _settings_stations_cargo_page = {_settings_stations_cargo, lengthof(_settings_stations_cargo)};
    01550
    01551 static SettingEntry _settings_stations[] = {
    01552   SettingEntry(&_settings_stations_cargo_page, STR_CONFIG_SETTING_STATIONS_CARGOHANDLING),
    01553   SettingEntry("station.adjacent_stations"),
    01554   SettingEntry("station.distant_join_stations"),
    01555   SettingEntry("station.station_spread"),
    01556   SettingEntry("economy.station_noise_level"),
    01557   SettingEntry("station.modified_catchment"),
    01558   SettingEntry("construction.road_stop_on_town_road"),
    01559   SettingEntry("construction.road_stop_on_competitor_road"),
    01560 };
    01562 static SettingsPage _settings_stations_page = {_settings_stations, lengthof(_settings_stations)};
    01563
    01564 static SettingEntry _settings_economy_towns[] = {
    01565   SettingEntry("difficulty.town_council_tolerance"),
    01566   SettingEntry("economy.bribe"),
    01567   SettingEntry("economy.exclusive_rights"),
    01568   SettingEntry("economy.fund_roads"),
    01569   SettingEntry("economy.fund_buildings"),
    01570   SettingEntry("economy.town_layout"),
    01571   SettingEntry("economy.allow_town_roads"),
    01572   SettingEntry("economy.allow_town_level_crossings"),
    01573   SettingEntry("economy.found_town"),
    01574   SettingEntry("economy.mod_road_rebuild"),
    01575   SettingEntry("economy.town_growth_rate"),
    01576   SettingEntry("economy.larger_towns"),
    01577   SettingEntry("economy.initial_city_size"),
    01578 };
    01580 static SettingsPage _settings_economy_towns_page = {_settings_economy_towns, lengthof(_settings_economy_towns)};
    01581
    01582 static SettingEntry _settings_economy_industries[] = {
    01583   SettingEntry("construction.raw_industry_construction"),
    01584   SettingEntry("construction.industry_platform"),
    01585   SettingEntry("economy.multiple_industry_per_town"),
    01586   SettingEntry("game_creation.oil_refinery_limit"),
    01587 };
    01589 static SettingsPage _settings_economy_industries_page = {_settings_economy_industries, lengthof(_settings_economy_industries)};
    01590
    01591
    01592 static SettingEntry _settings_economy[] = {
    01593   SettingEntry(&_settings_economy_towns_page, STR_CONFIG_SETTING_ECONOMY_TOWNS),
    01594   SettingEntry(&_settings_economy_industries_page, STR_CONFIG_SETTING_ECONOMY_INDUSTRIES),
    01595   SettingEntry("economy.inflation"),
    01596   SettingEntry("difficulty.initial_interest"),
    01597   SettingEntry("difficulty.max_loan"),
    01598   SettingEntry("difficulty.subsidy_multiplier"),
    01599   SettingEntry("difficulty.economy"),
    01600   SettingEntry("economy.smooth_economy"),
    01601   SettingEntry("economy.feeder_payment_share"),
    01602   SettingEntry("economy.infrastructure_maintenance"),
    01603   SettingEntry("difficulty.vehicle_costs"),
    01604   SettingEntry("difficulty.construction_cost"),
    01605   SettingEntry("difficulty.disasters"),
    01606 };
    01608 static SettingsPage _settings_economy_page = {_settings_economy, lengthof(_settings_economy)};
    01609
    01610 static SettingEntry _settings_ai_npc[] = {
    01611   SettingEntry("script.settings_profile"),
    01612   SettingEntry("script.script_max_opcode_till_suspend"),
    01613   SettingEntry("difficulty.competitor_speed"),
    01614   SettingEntry("ai.ai_in_multiplayer"),
    01615   SettingEntry("ai.ai_disable_veh_train"),
    01616   SettingEntry("ai.ai_disable_veh_roadveh"),
    01617   SettingEntry("ai.ai_disable_veh_aircraft"),
    01618   SettingEntry("ai.ai_disable_veh_ship"),
    01619 };
    01621 static SettingsPage _settings_ai_npc_page = {_settings_ai_npc, lengthof(_settings_ai_npc)};
    01622
    01623 static SettingEntry _settings_ai[] = {
    01624   SettingEntry(&_settings_ai_npc_page, STR_CONFIG_SETTING_AI_NPC),
    01625   SettingEntry("economy.give_money"),
    01626   SettingEntry("economy.allow_shares"),
    01627 };
    01629 static SettingsPage _settings_ai_page = {_settings_ai, lengthof(_settings_ai)};
    01630
    01631 static SettingEntry _settings_vehicles_routing[] = {
    01632   SettingEntry("pf.pathfinder_for_trains"),
    01633   SettingEntry("pf.forbid_90_deg"),
    01634   SettingEntry("pf.pathfinder_for_roadvehs"),
    01635   SettingEntry("pf.roadveh_queue"),
    01636   SettingEntry("pf.pathfinder_for_ships"),
    01637 };
    01639 static SettingsPage _settings_vehicles_routing_page = {_settings_vehicles_routing, lengthof(_settings_vehicles_routing)};
    01640
    01641 static SettingEntry _settings_vehicles_autorenew[] = {
    01642   SettingEntry("company.engine_renew"),
    01643   SettingEntry("company.engine_renew_months"),
    01644   SettingEntry("company.engine_renew_money"),
    01645 };
    01647 static SettingsPage _settings_vehicles_autorenew_page = {_settings_vehicles_autorenew, lengthof(_settings_vehicles_autorenew)};
    01648
    01649 static SettingEntry _settings_vehicles_servicing[] = {
    01650   SettingEntry("vehicle.servint_ispercent"),
    01651   SettingEntry("vehicle.servint_trains"),
    01652   SettingEntry("vehicle.servint_roadveh"),
    01653   SettingEntry("vehicle.servint_ships"),
    01654   SettingEntry("vehicle.servint_aircraft"),
    01655   SettingEntry("difficulty.vehicle_breakdowns"),
    01656   SettingEntry("order.no_servicing_if_no_breakdowns"),
    01657   SettingEntry("order.serviceathelipad"),
    01658 };
    01660 static SettingsPage _settings_vehicles_servicing_page = {_settings_vehicles_servicing, lengthof(_settings_vehicles_servicing)};
    01661
    01662 static SettingEntry _settings_vehicles_trains[] = {
    01663   SettingEntry("difficulty.line_reverse_mode"),
    01664   SettingEntry("pf.reverse_at_signals"),
    01665   SettingEntry("vehicle.train_acceleration_model"),
    01666   SettingEntry("vehicle.train_slope_steepness"),
    01667   SettingEntry("vehicle.max_train_length"),
    01668   SettingEntry("vehicle.wagon_speed_limits"),
    01669   SettingEntry("vehicle.disable_elrails"),
    01670   SettingEntry("vehicle.freight_trains"),
    01671   SettingEntry("gui.stop_location"),
    01672 };
    01674 static SettingsPage _settings_vehicles_trains_page = {_settings_vehicles_trains, lengthof(_settings_vehicles_trains)};
    01675
    01676 static SettingEntry _settings_vehicles[] = {
    01677   SettingEntry(&_settings_vehicles_routing_page, STR_CONFIG_SETTING_VEHICLES_ROUTING),
    01678   SettingEntry(&_settings_vehicles_autorenew_page, STR_CONFIG_SETTING_VEHICLES_AUTORENEW),
    01679   SettingEntry(&_settings_vehicles_servicing_page, STR_CONFIG_SETTING_VEHICLES_SERVICING),
    01680   SettingEntry(&_settings_vehicles_trains_page, STR_CONFIG_SETTING_VEHICLES_TRAINS),
    01681   SettingEntry("gui.new_nonstop"),
    01682   SettingEntry("gui.order_review_system"),
    01683   SettingEntry("gui.vehicle_income_warn"),
    01684   SettingEntry("gui.lost_vehicle_warn"),
    01685   SettingEntry("vehicle.never_expire_vehicles"),
    01686   SettingEntry("vehicle.max_trains"),
    01687   SettingEntry("vehicle.max_roadveh"),
    01688   SettingEntry("vehicle.max_aircraft"),
    01689   SettingEntry("vehicle.max_ships"),
    01690   SettingEntry("vehicle.plane_speed"),
    01691   SettingEntry("vehicle.plane_crashes"),
    01692   SettingEntry("vehicle.dynamic_engines"),
    01693   SettingEntry("vehicle.roadveh_acceleration_model"),
    01694   SettingEntry("vehicle.roadveh_slope_steepness"),
    01695   SettingEntry("vehicle.smoke_amount"),
    01696 };
    01698 static SettingsPage _settings_vehicles_page = {_settings_vehicles, lengthof(_settings_vehicles)};
    01699
    01700 static SettingEntry _settings_main[] = {
    01701   SettingEntry(&_settings_ui_page,           STR_CONFIG_SETTING_GUI),
    01702   SettingEntry(&_settings_construction_page, STR_CONFIG_SETTING_CONSTRUCTION),
    01703   SettingEntry(&_settings_vehicles_page,     STR_CONFIG_SETTING_VEHICLES),
    01704   SettingEntry(&_settings_stations_page,     STR_CONFIG_SETTING_STATIONS),
    01705   SettingEntry(&_settings_economy_page,      STR_CONFIG_SETTING_ECONOMY),
    01706   SettingEntry(&_settings_ai_page,           STR_CONFIG_SETTING_AI),
    01707 };
    01708
    01710 static SettingsPage _settings_main_page = {_settings_main, lengthof(_settings_main)};
    01711
    01712 static const StringID _game_settings_restrict_dropdown[] = {
    01713   STR_CONFIG_SETTING_RESTRICT_BASIC,                            // RM_BASIC
    01714   STR_CONFIG_SETTING_RESTRICT_ADVANCED,                         // RM_ADVANCED
    01715   STR_CONFIG_SETTING_RESTRICT_ALL,                              // RM_ALL
    01716   STR_CONFIG_SETTING_RESTRICT_CHANGED_AGAINST_DEFAULT,          // RM_CHANGED_AGAINST_DEFAULT
    01717   STR_CONFIG_SETTING_RESTRICT_CHANGED_AGAINST_NEW,              // RM_CHANGED_AGAINST_NEW
    01718 };
    01719 assert_compile(lengthof(_game_settings_restrict_dropdown) == RM_END);
    01720
    01721 struct GameSettingsWindow : Window {
    01722   static const int SETTINGTREE_LEFT_OFFSET   = 5;
    01723   static const int SETTINGTREE_RIGHT_OFFSET  = 5;
    01724   static const int SETTINGTREE_TOP_OFFSET    = 5;
    01725   static const int SETTINGTREE_BOTTOM_OFFSET = 5;
    01726
    01727   static GameSettings *settings_ptr;
    01728
    01729   SettingEntry *valuewindow_entry;
    01730   SettingEntry *clicked_entry;
    01731   SettingEntry *last_clicked;
    01732   SettingEntry *valuedropdown_entry;
    01733   bool closing_dropdown;
    01734
    01735   SettingFilter filter;
    01736   QueryString filter_editbox;
    01737   bool manually_changed_folding;
    01738
    01739   Scrollbar *vscroll;
    01740
    01741   GameSettingsWindow(const WindowDesc *desc) : filter_editbox(50)
    01742   {
    01743     static bool first_time = true;
    01744
    01745     filter.mode = (RestrictionMode)_settings_client.gui.settings_restriction_mode;
    01746     filter.type = ST_ALL;
    01747     settings_ptr = &GetGameSettings();
    01748
    01749     /* Build up the dynamic settings-array only once per OpenTTD session */
    01750     if (first_time) {
    01751       _settings_main_page.Init();
    01752       first_time = false;
    01753     } else {
    01754       _settings_main_page.FoldAll(); // Close all sub-pages
    01755     }
    01756
    01757     this->valuewindow_entry = NULL; // No setting entry for which a entry window is opened
    01758     this->clicked_entry = NULL; // No numeric setting buttons are depressed
    01759     this->last_clicked = NULL;
    01760     this->valuedropdown_entry = NULL;
    01761     this->closing_dropdown = false;
    01762     this->manually_changed_folding = false;
    01763
    01764     this->CreateNestedTree(desc);
    01765     this->vscroll = this->GetScrollbar(WID_GS_SCROLLBAR);
    01766     this->FinishInitNested(desc, WN_GAME_OPTIONS_GAME_SETTINGS);
    01767
    01768     this->querystrings[WID_GS_FILTER] = &this->filter_editbox;
    01769     this->filter_editbox.cancel_button = QueryString::ACTION_CLEAR;
    01770     this->SetFocusedWidget(WID_GS_FILTER);
    01771
    01772     this->InvalidateData();
    01773   }
    01774
    01775   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01776   {
    01777     switch (widget) {
    01778       case WID_GS_OPTIONSPANEL:
    01779         resize->height = SETTING_HEIGHT = max(11, FONT_HEIGHT_NORMAL + 1);
    01780         resize->width  = 1;
    01781
    01782         size->height = 5 * resize->height + SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET;
    01783         break;
    01784
    01785       case WID_GS_HELP_TEXT: {
    01786         static const StringID setting_types[] = {
    01787           STR_CONFIG_SETTING_TYPE_CLIENT,
    01788           STR_CONFIG_SETTING_TYPE_COMPANY_MENU, STR_CONFIG_SETTING_TYPE_COMPANY_INGAME,
    01789           STR_CONFIG_SETTING_TYPE_GAME_MENU, STR_CONFIG_SETTING_TYPE_GAME_INGAME,
    01790         };
    01791         for (uint i = 0; i < lengthof(setting_types); i++) {
    01792           SetDParam(0, setting_types[i]);
    01793           size->width = max(size->width, GetStringBoundingBox(STR_CONFIG_SETTING_TYPE).width);
    01794         }
    01795         size->height = 2 * FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL +
    01796             max(size->height, _settings_main_page.GetMaxHelpHeight(size->width));
    01797         break;
    01798       }
    01799
    01800       default:
    01801         break;
    01802     }
    01803   }
    01804
    01805   virtual void OnPaint()
    01806   {
    01807     if (this->closing_dropdown) {
    01808       this->closing_dropdown = false;
    01809       assert(this->valuedropdown_entry != NULL);
    01810       this->valuedropdown_entry->SetButtons(0);
    01811       this->valuedropdown_entry = NULL;
    01812     }
    01813     this->DrawWidgets();
    01814   }
    01815
    01816   virtual void SetStringParameters(int widget) const
    01817   {
    01818     switch (widget) {
    01819       case WID_GS_RESTRICT_DROPDOWN:
    01820         SetDParam(0, _game_settings_restrict_dropdown[this->filter.mode]);
    01821         break;
    01822
    01823       case WID_GS_TYPE_DROPDOWN:
    01824         switch (this->filter.type) {
    01825           case ST_GAME:    SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_INGAME); break;
    01826           case ST_COMPANY: SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_INGAME); break;
    01827           case ST_CLIENT:  SetDParam(0, STR_CONFIG_SETTING_TYPE_DROPDOWN_CLIENT); break;
    01828           default:         SetDParam(0, STR_CONFIG_SETTING_TYPE_DROPDOWN_ALL); break;
    01829         }
    01830         break;
    01831     }
    01832   }
    01833
    01834   DropDownList *BuildDropDownList(int widget) const
    01835   {
    01836     DropDownList *list = NULL;
    01837     switch (widget) {
    01838       case WID_GS_RESTRICT_DROPDOWN:
    01839         list = new DropDownList();
    01840
    01841         for (int mode = 0; mode != RM_END; mode++) {
    01842           /* If we are in adv. settings screen for the new game's settings,
    01843            * we don't want to allow comparing with new game's settings. */
    01844           bool disabled = mode == RM_CHANGED_AGAINST_NEW && settings_ptr == &_settings_newgame;
    01845
    01846           list->push_back(new DropDownListStringItem(_game_settings_restrict_dropdown[mode], mode, disabled));
    01847         }
    01848         break;
    01849
    01850       case WID_GS_TYPE_DROPDOWN:
    01851         list = new DropDownList();
    01852         list->push_back(new DropDownListStringItem(STR_CONFIG_SETTING_TYPE_DROPDOWN_ALL, ST_ALL, false));
    01853         list->push_back(new DropDownListStringItem(_game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_INGAME, ST_GAME, false));
    01854         list->push_back(new DropDownListStringItem(_game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_INGAME, ST_COMPANY, false));
    01855         list->push_back(new DropDownListStringItem(STR_CONFIG_SETTING_TYPE_DROPDOWN_CLIENT, ST_CLIENT, false));
    01856         break;
    01857     }
    01858     return list;
    01859   }
    01860
    01861   virtual void DrawWidget(const Rect &r, int widget) const
    01862   {
    01863     switch (widget) {
    01864       case WID_GS_OPTIONSPANEL:
    01865         _settings_main_page.Draw(settings_ptr, r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, r.top + SETTINGTREE_TOP_OFFSET,
    01866             this->vscroll->GetPosition(), this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->last_clicked);
    01867         break;
    01868
    01869       case WID_GS_HELP_TEXT:
    01870         if (this->last_clicked != NULL) {
    01871           const SettingDesc *sd = this->last_clicked->d.entry.setting;
    01872
    01873           int y = r.top;
    01874           switch (sd->GetType()) {
    01875             case ST_COMPANY: SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_COMPANY_INGAME); break;
    01876             case ST_CLIENT:  SetDParam(0, STR_CONFIG_SETTING_TYPE_CLIENT); break;
    01877             case ST_GAME:    SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_GAME_MENU : STR_CONFIG_SETTING_TYPE_GAME_INGAME); break;
    01878             default: NOT_REACHED();
    01879           }
    01880           DrawString(r.left, r.right, y, STR_CONFIG_SETTING_TYPE);
    01881           y += FONT_HEIGHT_NORMAL;
    01882
    01883           int32 default_value = ReadValue(&sd->desc.def, sd->save.conv);
    01884           this->last_clicked->SetValueDParams(0, default_value);
    01885           DrawString(r.left, r.right, y, STR_CONFIG_SETTING_DEFAULT_VALUE);
    01886           y += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
    01887
    01888           DrawStringMultiLine(r.left, r.right, y, r.bottom, this->last_clicked->GetHelpText(), TC_WHITE);
    01889         }
    01890         break;
    01891
    01892       default:
    01893         break;
    01894     }
    01895   }
    01896
    01901   void SetDisplayedHelpText(SettingEntry *pe)
    01902   {
    01903     if (this->last_clicked != pe) this->SetDirty();
    01904     this->last_clicked = pe;
    01905   }
    01906
    01907   virtual void OnClick(Point pt, int widget, int click_count)
    01908   {
    01909     switch (widget) {
    01910       case WID_GS_EXPAND_ALL:
    01911         this->manually_changed_folding = true;
    01912         _settings_main_page.UnFoldAll();
    01913         this->InvalidateData();
    01914         break;
    01915
    01916       case WID_GS_COLLAPSE_ALL:
    01917         this->manually_changed_folding = true;
    01918         _settings_main_page.FoldAll();
    01919         this->InvalidateData();
    01920         break;
    01921
    01922       case WID_GS_RESTRICT_DROPDOWN: {
    01923         DropDownList *list = this->BuildDropDownList(widget);
    01924         if (list != NULL) {
    01925           ShowDropDownList(this, list, this->filter.mode, widget);
    01926         }
    01927         break;
    01928       }
    01929
    01930       case WID_GS_TYPE_DROPDOWN: {
    01931         DropDownList *list = this->BuildDropDownList(widget);
    01932         if (list != NULL) {
    01933           ShowDropDownList(this, list, this->filter.type, widget);
    01934         }
    01935         break;
    01936       }
    01937     }
    01938
    01939     if (widget != WID_GS_OPTIONSPANEL) return;
    01940
    01941     uint btn = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET);
    01942     if (btn == INT_MAX) return;
    01943
    01944     uint cur_row = 0;
    01945     SettingEntry *pe = _settings_main_page.FindEntry(btn, &cur_row);
    01946
    01947     if (pe == NULL) return;  // Clicked below the last setting of the page
    01948
    01949     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
    01950     if (x < 0) return;  // Clicked left of the entry
    01951
    01952     if ((pe->flags & SEF_KIND_MASK) == SEF_SUBTREE_KIND) {
    01953       this->SetDisplayedHelpText(NULL);
    01954       pe->d.sub.folded = !pe->d.sub.folded; // Flip 'folded'-ness of the sub-page
    01955
    01956       this->manually_changed_folding = true;
    01957
    01958       this->InvalidateData();
    01959       return;
    01960     }
    01961
    01962     assert((pe->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01963     const SettingDesc *sd = pe->d.entry.setting;
    01964
    01965     /* return if action is only active in network, or only settable by server */
    01966     if (!sd->IsEditable()) {
    01967       this->SetDisplayedHelpText(pe);
    01968       return;
    01969     }
    01970
    01971     const void *var = ResolveVariableAddress(settings_ptr, sd);
    01972     int32 value = (int32)ReadValue(var, sd->save.conv);
    01973
    01974     /* clicked on the icon on the left side. Either scroller, bool on/off or dropdown */
    01975     if (x < SETTING_BUTTON_WIDTH && (sd->desc.flags & SGF_MULTISTRING)) {
    01976       const SettingDescBase *sdb = &sd->desc;
    01977       this->SetDisplayedHelpText(pe);
    01978
    01979       if (this->valuedropdown_entry == pe) {
    01980         /* unclick the dropdown */
    01981         HideDropDownMenu(this);
    01982         this->closing_dropdown = false;
    01983         this->valuedropdown_entry->SetButtons(0);
    01984         this->valuedropdown_entry = NULL;
    01985       } else {
    01986         if (this->valuedropdown_entry != NULL) this->valuedropdown_entry->SetButtons(0);
    01987         this->closing_dropdown = false;
    01988
    01989         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_GS_OPTIONSPANEL);
    01990         int rel_y = (pt.y - (int)wid->pos_y - SETTINGTREE_TOP_OFFSET) % wid->resize_y;
    01991
    01992         Rect wi_rect;
    01993         wi_rect.left = pt.x - (_current_text_dir == TD_RTL ? SETTING_BUTTON_WIDTH - 1 - x : x);
    01994         wi_rect.right = wi_rect.left + SETTING_BUTTON_WIDTH - 1;
    01995         wi_rect.top = pt.y - rel_y + (SETTING_HEIGHT - SETTING_BUTTON_HEIGHT) / 2;
    01996         wi_rect.bottom = wi_rect.top + SETTING_BUTTON_HEIGHT - 1;
    01997
    01998         /* For dropdowns we also have to check the y position thoroughly, the mouse may not above the just opening dropdown */
    01999         if (pt.y >= wi_rect.top && pt.y <= wi_rect.bottom) {
    02000           this->valuedropdown_entry = pe;
    02001           this->valuedropdown_entry->SetButtons(SEF_LEFT_DEPRESSED);
    02002
    02003           DropDownList *list = new DropDownList();
    02004           for (int i = sdb->min; i <= (int)sdb->max; i++) {
    02005             list->push_back(new DropDownListStringItem(sdb->str_val + i - sdb->min, i, false));
    02006           }
    02007
    02008           ShowDropDownListAt(this, list, value, -1, wi_rect, COLOUR_ORANGE, true);
    02009         }
    02010       }
    02011       this->SetDirty();
    02012     } else if (x < SETTING_BUTTON_WIDTH) {
    02013       this->SetDisplayedHelpText(pe);
    02014       const SettingDescBase *sdb = &sd->desc;
    02015       int32 oldvalue = value;
    02016
    02017       switch (sdb->cmd) {
    02018         case SDT_BOOLX: value ^= 1; break;
    02019         case SDT_ONEOFMANY:
    02020         case SDT_NUMX: {
    02021           /* Add a dynamic step-size to the scroller. In a maximum of
    02022            * 50-steps you should be able to get from min to max,
    02023            * unless specified otherwise in the 'interval' variable
    02024            * of the current setting. */
    02025           uint32 step = (sdb->interval == 0) ? ((sdb->max - sdb->min) / 50) : sdb->interval;
    02026           if (step == 0) step = 1;
    02027
    02028           /* don't allow too fast scrolling */
    02029           if ((this->flags & WF_TIMEOUT) && this->timeout_timer > 1) {
    02030             _left_button_clicked = false;
    02031             return;
    02032           }
    02033
    02034           /* Increase or decrease the value and clamp it to extremes */
    02035           if (x >= SETTING_BUTTON_WIDTH / 2) {
    02036             value += step;
    02037             if (sdb->min < 0) {
    02038               assert((int32)sdb->max >= 0);
    02039               if (value > (int32)sdb->max) value = (int32)sdb->max;
    02040             } else {
    02041               if ((uint32)value > sdb->max) value = (int32)sdb->max;
    02042             }
    02043             if (value < sdb->min) value = sdb->min; // skip between "disabled" and minimum
    02044           } else {
    02045             value -= step;
    02046             if (value < sdb->min) value = (sdb->flags & SGF_0ISDISABLED) ? 0 : sdb->min;
    02047           }
    02048
    02049           /* Set up scroller timeout for numeric values */
    02050           if (value != oldvalue) {
    02051             if (this->clicked_entry != NULL) { // Release previous buttons if any
    02052               this->clicked_entry->SetButtons(0);
    02053             }
    02054             this->clicked_entry = pe;
    02055             this->clicked_entry->SetButtons((x >= SETTING_BUTTON_WIDTH / 2) != (_current_text_dir == TD_RTL) ? SEF_RIGHT_DEPRESSED : SEF_LEFT_DEPRESSED);
    02056             this->SetTimeout();
    02057             _left_button_clicked = false;
    02058           }
    02059           break;
    02060         }
    02061
    02062         default: NOT_REACHED();
    02063       }
    02064
    02065       if (value != oldvalue) {
    02066         if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02067           SetCompanySetting(pe->d.entry.index, value);
    02068         } else {
    02069           SetSettingValue(pe->d.entry.index, value);
    02070         }
    02071         this->SetDirty();
    02072       }
    02073     } else {
    02074       /* Only open editbox if clicked for the second time, and only for types where it is sensible for. */
    02075       if (this->last_clicked == pe && sd->desc.cmd != SDT_BOOLX && !(sd->desc.flags & SGF_MULTISTRING)) {
    02076         /* Show the correct currency-translated value */
    02077         if (sd->desc.flags & SGF_CURRENCY) value *= _currency->rate;
    02078
    02079         this->valuewindow_entry = pe;
    02080         SetDParam(0, value);
    02081         ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
    02082       }
    02083       this->SetDisplayedHelpText(pe);
    02084     }
    02085   }
    02086
    02087   virtual void OnTimeout()
    02088   {
    02089     if (this->clicked_entry != NULL) { // On timeout, release any depressed buttons
    02090       this->clicked_entry->SetButtons(0);
    02091       this->clicked_entry = NULL;
    02092       this->SetDirty();
    02093     }
    02094   }
    02095
    02096   virtual void OnQueryTextFinished(char *str)
    02097   {
    02098     /* The user pressed cancel */
    02099     if (str == NULL) return;
    02100
    02101     assert(this->valuewindow_entry != NULL);
    02102     assert((this->valuewindow_entry->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    02103     const SettingDesc *sd = this->valuewindow_entry->d.entry.setting;
    02104
    02105     int32 value;
    02106     if (!StrEmpty(str)) {
    02107       value = atoi(str);
    02108
    02109       /* Save the correct currency-translated value */
    02110       if (sd->desc.flags & SGF_CURRENCY) value /= _currency->rate;
    02111     } else {
    02112       value = (int32)(size_t)sd->desc.def;
    02113     }
    02114
    02115     if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02116       SetCompanySetting(this->valuewindow_entry->d.entry.index, value);
    02117     } else {
    02118       SetSettingValue(this->valuewindow_entry->d.entry.index, value);
    02119     }
    02120     this->SetDirty();
    02121   }
    02122
    02123   virtual void OnDropdownSelect(int widget, int index)
    02124   {
    02125     switch (widget) {
    02126       case WID_GS_RESTRICT_DROPDOWN:
    02127         this->filter.mode = (RestrictionMode)index;
    02128         if (this->filter.mode == RM_CHANGED_AGAINST_DEFAULT ||
    02129             this->filter.mode == RM_CHANGED_AGAINST_NEW) {
    02130
    02131           if (!this->manually_changed_folding) {
    02132             /* Expand all when selecting 'changes'. Update the filter state first, in case it becomes less restrictive in some cases. */
    02133             _settings_main_page.UpdateFilterState(this->filter, false);
    02134             _settings_main_page.UnFoldAll();
    02135           }
    02136         } else {
    02137           /* Non-'changes' filter. Save as default. */
    02138           _settings_client.gui.settings_restriction_mode = this->filter.mode;
    02139         }
    02140         this->InvalidateData();
    02141         break;
    02142
    02143       case WID_GS_TYPE_DROPDOWN:
    02144         this->filter.type = (SettingType)index;
    02145         this->InvalidateData();
    02146         break;
    02147
    02148       default:
    02149         if (widget < 0) {
    02150           /* Deal with drop down boxes on the panel. */
    02151           assert(this->valuedropdown_entry != NULL);
    02152           const SettingDesc *sd = this->valuedropdown_entry->d.entry.setting;
    02153           assert(sd->desc.flags & SGF_MULTISTRING);
    02154
    02155           if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02156             SetCompanySetting(this->valuedropdown_entry->d.entry.index, index);
    02157           } else {
    02158             SetSettingValue(this->valuedropdown_entry->d.entry.index, index);
    02159           }
    02160
    02161           this->SetDirty();
    02162         }
    02163         break;
    02164     }
    02165   }
    02166
    02167   virtual void OnDropdownClose(Point pt, int widget, int index, bool instant_close)
    02168   {
    02169     if (widget >= 0) {
    02170       /* Normally the default implementation of OnDropdownClose() takes care of
    02171        * a few things. We want that behaviour here too, but only for
    02172        * "normal" dropdown boxes. The special dropdown boxes added for every
    02173        * setting that needs one can't have this call. */
    02174       Window::OnDropdownClose(pt, widget, index, instant_close);
    02175     } else {
    02176       /* We cannot raise the dropdown button just yet. OnClick needs some hint, whether
    02177        * the same dropdown button was clicked again, and then not open the dropdown again.
    02178        * So, we only remember that it was closed, and process it on the next OnPaint, which is
    02179        * after OnClick. */
    02180       assert(this->valuedropdown_entry != NULL);
    02181       this->closing_dropdown = true;
    02182       this->SetDirty();
    02183     }
    02184   }
    02185
    02186   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    02187   {
    02188     if (!gui_scope) return;
    02189
    02190     _settings_main_page.UpdateFilterState(this->filter, false);
    02191
    02192     this->vscroll->SetCount(_settings_main_page.Length());
    02193
    02194     if (this->last_clicked != NULL && !_settings_main_page.IsVisible(this->last_clicked)) {
    02195       this->SetDisplayedHelpText(NULL);
    02196     }
    02197
    02198     bool all_folded = true;
    02199     bool all_unfolded = true;
    02200     _settings_main_page.GetFoldingState(all_folded, all_unfolded);
    02201     this->SetWidgetDisabledState(WID_GS_EXPAND_ALL, all_unfolded);
    02202     this->SetWidgetDisabledState(WID_GS_COLLAPSE_ALL, all_folded);
    02203   }
    02204
    02205   virtual void OnEditboxChanged(int wid)
    02206   {
    02207     if (wid == WID_GS_FILTER) {
    02208       this->filter.string.SetFilterTerm(this->filter_editbox.text.buf);
    02209       if (!this->filter.string.IsEmpty() && !this->manually_changed_folding) {
    02210         /* User never expanded/collapsed single pages and entered a filter term.
    02211          * Expand everything, to save weird expand clicks, */
    02212         _settings_main_page.UnFoldAll();
    02213       }
    02214       this->InvalidateData();
    02215     }
    02216   }
    02217
    02218   virtual void OnResize()
    02219   {
    02220     this->vscroll->SetCapacityFromWidget(this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET);
    02221   }
    02222 };
    02223
    02224 GameSettings *GameSettingsWindow::settings_ptr = NULL;
    02225
    02226 static const NWidgetPart _nested_settings_selection_widgets[] = {
    02227   NWidget(NWID_HORIZONTAL),
    02228     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
    02229     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_CONFIG_SETTING_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    02230   EndContainer(),
    02231   NWidget(WWT_PANEL, COLOUR_MAUVE),
    02232     NWidget(NWID_HORIZONTAL), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0),
    02233         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
    02234       NWidget(WWT_TEXT, COLOUR_MAUVE, WID_GS_RESTRICT_LABEL), SetDataTip(STR_CONFIG_SETTING_RESTRICT_LABEL, STR_NULL),
    02235       NWidget(NWID_VERTICAL), SetPIP(0, WD_PAR_VSEP_NORMAL, 0),
    02236         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),
    02237         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),
    02238       EndContainer(),
    02239     EndContainer(),
    02240     NWidget(NWID_HORIZONTAL), SetPadding(0, 0, WD_TEXTPANEL_BOTTOM, 0),
    02241         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
    02242       NWidget(WWT_TEXT, COLOUR_MAUVE), SetFill(0, 1), SetDataTip(STR_CONFIG_SETTING_FILTER_TITLE, STR_NULL),
    02243       NWidget(WWT_EDITBOX, COLOUR_MAUVE, WID_GS_FILTER), SetFill(1, 0), SetMinimalSize(50, 12), SetResize(1, 0),
    02244           SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
    02245     EndContainer(),
    02246   EndContainer(),
    02247   NWidget(NWID_HORIZONTAL),
    02248     NWidget(WWT_PANEL, COLOUR_MAUVE, WID_GS_OPTIONSPANEL), SetMinimalSize(400, 174), SetScrollbar(WID_GS_SCROLLBAR), EndContainer(),
    02249     NWidget(NWID_VERTICAL),
    02250       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_GS_SCROLLBAR),
    02251     EndContainer(),
    02252   EndContainer(),
    02253   NWidget(WWT_PANEL, COLOUR_MAUVE), SetMinimalSize(400, 40),
    02254     NWidget(WWT_EMPTY, INVALID_COLOUR, WID_GS_HELP_TEXT), SetMinimalSize(300, 25), SetFill(1, 1), SetResize(1, 0),
    02255         SetPadding(WD_FRAMETEXT_TOP, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_BOTTOM, WD_FRAMETEXT_LEFT),
    02256     NWidget(NWID_HORIZONTAL),
    02257       NWidget(WWT_PANEL, COLOUR_MAUVE),
    02258         NWidget(NWID_HORIZONTAL),
    02259           NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_GS_EXPAND_ALL), SetDataTip(STR_CONFIG_SETTING_EXPAND_ALL, STR_NULL),
    02260           NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_GS_COLLAPSE_ALL), SetDataTip(STR_CONFIG_SETTING_COLLAPSE_ALL, STR_NULL),
    02261           NWidget(NWID_SPACER, INVALID_COLOUR), SetFill(1, 1), SetResize(1, 0),
    02262         EndContainer(),
    02263       EndContainer(),
    02264       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
    02265     EndContainer(),
    02266   EndContainer(),
    02267 };
    02268
    02269 static const WindowDesc _settings_selection_desc(
    02270   WDP_CENTER, 510, 450,
    02271   WC_GAME_OPTIONS, WC_NONE,
    02272   0,
    02273   _nested_settings_selection_widgets, lengthof(_nested_settings_selection_widgets)
    02274 );
    02275
    02277 void ShowGameSettings()
    02278 {
    02279   DeleteWindowByClass(WC_GAME_OPTIONS);
    02280   new GameSettingsWindow(&_settings_selection_desc);
    02281 }
    02282
    02283
    02293 void DrawArrowButtons(int x, int y, Colours button_colour, byte state, bool clickable_left, bool clickable_right)
    02294 {
    02295   int colour = _colour_gradient[button_colour][2];
    02296
    02297   DrawFrameRect(x,                            y, x + SETTING_BUTTON_WIDTH / 2 - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, (state == 1) ? FR_LOWERED : FR_NONE);
    02298   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);
    02299   DrawSprite(SPR_ARROW_LEFT, PAL_NONE, x + WD_IMGBTN_LEFT, y + WD_IMGBTN_TOP);
    02300   DrawSprite(SPR_ARROW_RIGHT, PAL_NONE, x + WD_IMGBTN_LEFT + SETTING_BUTTON_WIDTH / 2, y + WD_IMGBTN_TOP);
    02301
    02302   /* Grey out the buttons that aren't clickable */
    02303   bool rtl = _current_text_dir == TD_RTL;
    02304   if (rtl ? !clickable_right : !clickable_left) {
    02305     GfxFillRect(x                            + 1, y, x + SETTING_BUTTON_WIDTH / 2 - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02306   }
    02307   if (rtl ? !clickable_left : !clickable_right) {
    02308     GfxFillRect(x + SETTING_BUTTON_WIDTH / 2 + 1, y, x + SETTING_BUTTON_WIDTH     - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02309   }
    02310 }
    02311
    02320 void DrawDropDownButton(int x, int y, Colours button_colour, bool state, bool clickable)
    02321 {
    02322   static const char *DOWNARROW = "\xEE\x8A\xAA";
    02323
    02324   int colour = _colour_gradient[button_colour][2];
    02325
    02326   DrawFrameRect(x, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, state ? FR_LOWERED : FR_NONE);
    02327   DrawString(x + (state ? 1 : 0), x + SETTING_BUTTON_WIDTH - (state ? 0 : 1), y + (state ? 2 : 1), DOWNARROW, TC_BLACK, SA_HOR_CENTER);
    02328
    02329   if (!clickable) {
    02330     GfxFillRect(x +  1, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02331   }
    02332 }
    02333
    02341 void DrawBoolButton(int x, int y, bool state, bool clickable)
    02342 {
    02343   static const Colours _bool_ctabs[2][2] = {{COLOUR_CREAM, COLOUR_RED}, {COLOUR_DARK_GREEN, COLOUR_GREEN}};
    02344   DrawFrameRect(x, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 1, _bool_ctabs[state][clickable], state ? FR_LOWERED : FR_NONE);
    02345 }
    02346
    02347 struct CustomCurrencyWindow : Window {
    02348   int query_widget;
    02349
    02350   CustomCurrencyWindow(const WindowDesc *desc) : Window()
    02351   {
    02352     this->InitNested(desc);
    02353
    02354     SetButtonState();
    02355   }
    02356
    02357   void SetButtonState()
    02358   {
    02359     this->SetWidgetDisabledState(WID_CC_RATE_DOWN, _custom_currency.rate == 1);
    02360     this->SetWidgetDisabledState(WID_CC_RATE_UP, _custom_currency.rate == UINT16_MAX);
    02361     this->SetWidgetDisabledState(WID_CC_YEAR_DOWN, _custom_currency.to_euro == CF_NOEURO);
    02362     this->SetWidgetDisabledState(WID_CC_YEAR_UP, _custom_currency.to_euro == MAX_YEAR);
    02363   }
    02364
    02365   virtual void SetStringParameters(int widget) const
    02366   {
    02367     switch (widget) {
    02368       case WID_CC_RATE:      SetDParam(0, 1); SetDParam(1, 1);            break;
    02369       case WID_CC_SEPARATOR: SetDParamStr(0, _custom_currency.separator); break;
    02370       case WID_CC_PREFIX:    SetDParamStr(0, _custom_currency.prefix);    break;
    02371       case WID_CC_SUFFIX:    SetDParamStr(0, _custom_currency.suffix);    break;
    02372       case WID_CC_YEAR:
    02373         SetDParam(0, (_custom_currency.to_euro != CF_NOEURO) ? STR_CURRENCY_SWITCH_TO_EURO : STR_CURRENCY_SWITCH_TO_EURO_NEVER);
    02374         SetDParam(1, _custom_currency.to_euro);
    02375         break;
    02376
    02377       case WID_CC_PREVIEW:
    02378         SetDParam(0, 10000);
    02379         break;
    02380     }
    02381   }
    02382
    02383   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    02384   {
    02385     switch (widget) {
    02386       /* Set the appropriate width for the edit 'buttons' */
    02387       case WID_CC_SEPARATOR_EDIT:
    02388       case WID_CC_PREFIX_EDIT:
    02389       case WID_CC_SUFFIX_EDIT:
    02390         size->width  = this->GetWidget<NWidgetBase>(WID_CC_RATE_DOWN)->smallest_x + this->GetWidget<NWidgetBase>(WID_CC_RATE_UP)->smallest_x;
    02391         break;
    02392
    02393       /* Make sure the window is wide enough for the widest exchange rate */
    02394       case WID_CC_RATE:
    02395         SetDParam(0, 1);
    02396         SetDParam(1, INT32_MAX);
    02397         *size = GetStringBoundingBox(STR_CURRENCY_EXCHANGE_RATE);
    02398         break;
    02399     }
    02400   }
    02401
    02402   virtual void OnClick(Point pt, int widget, int click_count)
    02403   {
    02404     int line = 0;
    02405     int len = 0;
    02406     StringID str = 0;
    02407     CharSetFilter afilter = CS_ALPHANUMERAL;
    02408
    02409     switch (widget) {
    02410       case WID_CC_RATE_DOWN:
    02411         if (_custom_currency.rate > 1) _custom_currency.rate--;
    02412         if (_custom_currency.rate == 1) this->DisableWidget(WID_CC_RATE_DOWN);
    02413         this->EnableWidget(WID_CC_RATE_UP);
    02414         break;
    02415
    02416       case WID_CC_RATE_UP:
    02417         if (_custom_currency.rate < UINT16_MAX) _custom_currency.rate++;
    02418         if (_custom_currency.rate == UINT16_MAX) this->DisableWidget(WID_CC_RATE_UP);
    02419         this->EnableWidget(WID_CC_RATE_DOWN);
    02420         break;
    02421
    02422       case WID_CC_RATE:
    02423         SetDParam(0, _custom_currency.rate);
    02424         str = STR_JUST_INT;
    02425         len = 5;
    02426         line = WID_CC_RATE;
    02427         afilter = CS_NUMERAL;
    02428         break;
    02429
    02430       case WID_CC_SEPARATOR_EDIT:
    02431       case WID_CC_SEPARATOR:
    02432         SetDParamStr(0, _custom_currency.separator);
    02433         str = STR_JUST_RAW_STRING;
    02434         len = 1;
    02435         line = WID_CC_SEPARATOR;
    02436         break;
    02437
    02438       case WID_CC_PREFIX_EDIT:
    02439       case WID_CC_PREFIX:
    02440         SetDParamStr(0, _custom_currency.prefix);
    02441         str = STR_JUST_RAW_STRING;
    02442         len = 12;
    02443         line = WID_CC_PREFIX;
    02444         break;
    02445
    02446       case WID_CC_SUFFIX_EDIT:
    02447       case WID_CC_SUFFIX:
    02448         SetDParamStr(0, _custom_currency.suffix);
    02449         str = STR_JUST_RAW_STRING;
    02450         len = 12;
    02451         line = WID_CC_SUFFIX;
    02452         break;
    02453
    02454       case WID_CC_YEAR_DOWN:
    02455         _custom_currency.to_euro = (_custom_currency.to_euro <= 2000) ? CF_NOEURO : _custom_currency.to_euro - 1;
    02456         if (_custom_currency.to_euro == CF_NOEURO) this->DisableWidget(WID_CC_YEAR_DOWN);
    02457         this->EnableWidget(WID_CC_YEAR_UP);
    02458         break;
    02459
    02460       case WID_CC_YEAR_UP:
    02461         _custom_currency.to_euro = Clamp(_custom_currency.to_euro + 1, 2000, MAX_YEAR);
    02462         if (_custom_currency.to_euro == MAX_YEAR) this->DisableWidget(WID_CC_YEAR_UP);
    02463         this->EnableWidget(WID_CC_YEAR_DOWN);
    02464         break;
    02465
    02466       case WID_CC_YEAR:
    02467         SetDParam(0, _custom_currency.to_euro);
    02468         str = STR_JUST_INT;
    02469         len = 7;
    02470         line = WID_CC_YEAR;
    02471         afilter = CS_NUMERAL;
    02472         break;
    02473     }
    02474
    02475     if (len != 0) {
    02476       this->query_widget = line;
    02477       ShowQueryString(str, STR_CURRENCY_CHANGE_PARAMETER, len + 1, this, afilter, QSF_NONE);
    02478     }
    02479
    02480     this->SetTimeout();
    02481     this->SetDirty();
    02482   }
    02483
    02484   virtual void OnQueryTextFinished(char *str)
    02485   {
    02486     if (str == NULL) return;
    02487
    02488     switch (this->query_widget) {
    02489       case WID_CC_RATE:
    02490         _custom_currency.rate = Clamp(atoi(str), 1, UINT16_MAX);
    02491         break;
    02492
    02493       case WID_CC_SEPARATOR: // Thousands separator
    02494         strecpy(_custom_currency.separator, str, lastof(_custom_currency.separator));
    02495         break;
    02496
    02497       case WID_CC_PREFIX:
    02498         strecpy(_custom_currency.prefix, str, lastof(_custom_currency.prefix));
    02499         break;
    02500
    02501       case WID_CC_SUFFIX:
    02502         strecpy(_custom_currency.suffix, str, lastof(_custom_currency.suffix));
    02503         break;
    02504
    02505       case WID_CC_YEAR: { // Year to switch to euro
    02506         int val = atoi(str);
    02507
    02508         _custom_currency.to_euro = (val < 2000 ? CF_NOEURO : min(val, MAX_YEAR));
    02509         break;
    02510       }
    02511     }
    02512     MarkWholeScreenDirty();
    02513     SetButtonState();
    02514   }
    02515
    02516   virtual void OnTimeout()
    02517   {
    02518     this->SetDirty();
    02519   }
    02520 };
    02521
    02522 static const NWidgetPart _nested_cust_currency_widgets[] = {
    02523   NWidget(NWID_HORIZONTAL),
    02524     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    02525     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CURRENCY_WINDOW, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    02526   EndContainer(),
    02527   NWidget(WWT_PANEL, COLOUR_GREY),
    02528     NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(7, 3, 0),
    02529       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02530         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_EXCHANGE_RATE_TOOLTIP),
    02531         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_EXCHANGE_RATE_TOOLTIP),
    02532         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02533         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_RATE), SetDataTip(STR_CURRENCY_EXCHANGE_RATE, STR_CURRENCY_SET_EXCHANGE_RATE_TOOLTIP), SetFill(1, 0),
    02534       EndContainer(),
    02535       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02536         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SEPARATOR_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(0, 1),
    02537         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02538         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SEPARATOR), SetDataTip(STR_CURRENCY_SEPARATOR, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(1, 0),
    02539       EndContainer(),
    02540       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02541         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_PREFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(0, 1),
    02542         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02543         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_PREFIX), SetDataTip(STR_CURRENCY_PREFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(1, 0),
    02544       EndContainer(),
    02545       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02546         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SUFFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(0, 1),
    02547         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02548         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SUFFIX), SetDataTip(STR_CURRENCY_SUFFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(1, 0),
    02549       EndContainer(),
    02550       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02551         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
    02552         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
    02553         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02554         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_YEAR), SetDataTip(STR_JUST_STRING, STR_CURRENCY_SET_CUSTOM_CURRENCY_TO_EURO_TOOLTIP), SetFill(1, 0),
    02555       EndContainer(),
    02556     EndContainer(),
    02557     NWidget(WWT_LABEL, COLOUR_BLUE, WID_CC_PREVIEW),
    02558                 SetDataTip(STR_CURRENCY_PREVIEW, STR_CURRENCY_CUSTOM_CURRENCY_PREVIEW_TOOLTIP), SetPadding(15, 1, 18, 2),
    02559   EndContainer(),
    02560 };
    02561
    02562 static const WindowDesc _cust_currency_desc(
    02563   WDP_CENTER, 0, 0,
    02564   WC_CUSTOM_CURRENCY, WC_NONE,
    02565   0,
    02566   _nested_cust_currency_widgets, lengthof(_nested_cust_currency_widgets)
    02567 );
    02568
    02570 static void ShowCustCurrency()
    02571 {
    02572   DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
    02573   new CustomCurrencyWindow(&_cust_currency_desc);
    02574 }