# settings_gui.cpp

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    00001 /* $Id$ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
    00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00012 #include "stdafx.h"
    00013 #include "currency.h"
    00014 #include "error.h"
    00015 #include "settings_gui.h"
    00016 #include "textbuf_gui.h"
    00017 #include "command_func.h"
    00018 #include "screenshot.h"
    00019 #include "network/network.h"
    00020 #include "town.h"
    00021 #include "settings_internal.h"
    00022 #include "newgrf_townname.h"
    00023 #include "strings_func.h"
    00024 #include "window_func.h"
    00025 #include "string_func.h"
    00026 #include "widgets/dropdown_type.h"
    00027 #include "widgets/dropdown_func.h"
    00028 #include "highscore.h"
    00029 #include "base_media_base.h"
    00030 #include "company_base.h"
    00031 #include "company_func.h"
    00032 #include "viewport_func.h"
    00033 #include "core/geometry_func.hpp"
    00034 #include "ai/ai.hpp"
    00035 #include "blitter/factory.hpp"
    00036 #include "language.h"
    00037 #include "textfile_gui.h"
    00038 #include "stringfilter_type.h"
    00039 #include "querystring_gui.h"
    00040
    00041
    00042 static const StringID _units_dropdown[] = {
    00043   STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL,
    00044   STR_GAME_OPTIONS_MEASURING_UNITS_METRIC,
    00045   STR_GAME_OPTIONS_MEASURING_UNITS_SI,
    00046   INVALID_STRING_ID
    00047 };
    00048
    00049 static const StringID _driveside_dropdown[] = {
    00050   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT,
    00051   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_RIGHT,
    00052   INVALID_STRING_ID
    00053 };
    00054
    00055 static const StringID _autosave_dropdown[] = {
    00056   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_OFF,
    00057   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_1_MONTH,
    00058   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_3_MONTHS,
    00059   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_6_MONTHS,
    00060   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_12_MONTHS,
    00061   INVALID_STRING_ID,
    00062 };
    00063
    00064 int _nb_orig_names = SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1;
    00065 static StringID *_grf_names = NULL;
    00066 static int _nb_grf_names = 0;
    00067
    00068 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd);
    00069
    00071 void InitGRFTownGeneratorNames()
    00072 {
    00073   free(_grf_names);
    00074   _grf_names = GetGRFTownNameList();
    00075   _nb_grf_names = 0;
    00076   for (StringID *s = _grf_names; *s != INVALID_STRING_ID; s++) _nb_grf_names++;
    00077 }
    00078
    00084 static inline StringID TownName(int town_name)
    00085 {
    00086   if (town_name < _nb_orig_names) return STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + town_name;
    00087   town_name -= _nb_orig_names;
    00088   if (town_name < _nb_grf_names) return _grf_names[town_name];
    00089   return STR_UNDEFINED;
    00090 }
    00091
    00096 static int GetCurRes()
    00097 {
    00098   int i;
    00099
    00100   for (i = 0; i != _num_resolutions; i++) {
    00101     if ((int)_resolutions[i].width == _screen.width &&
    00102         (int)_resolutions[i].height == _screen.height) {
    00103       break;
    00104     }
    00105   }
    00106   return i;
    00107 }
    00108
    00109 static void ShowCustCurrency();
    00110
    00111 template <class T>
    00112 static DropDownList *BuiltSetDropDownList(int *selected_index)
    00113 {
    00114   int n = T::GetNumSets();
    00115   *selected_index = T::GetIndexOfUsedSet();
    00116
    00117   DropDownList *list = new DropDownList();
    00118   for (int i = 0; i < n; i++) {
    00119     list->push_back(new DropDownListCharStringItem(T::GetSet(i)->name, i, (_game_mode == GM_MENU) ? false : (*selected_index != i)));
    00120   }
    00121
    00122   return list;
    00123 }
    00124
    00126 template <class TBaseSet>
    00127 struct BaseSetTextfileWindow : public TextfileWindow {
    00128   const TBaseSet* baseset;
    00129   StringID content_type;
    00130
    00131   BaseSetTextfileWindow(TextfileType file_type, const TBaseSet* baseset, StringID content_type) : TextfileWindow(file_type), baseset(baseset), content_type(content_type)
    00132   {
    00133     const char *textfile = this->baseset->GetTextfile(file_type);
    00134     this->LoadTextfile(textfile, BASESET_DIR);
    00135   }
    00136
    00137   /* virtual */ void SetStringParameters(int widget) const
    00138   {
    00139     if (widget == WID_TF_CAPTION) {
    00140       SetDParam(0, content_type);
    00141       SetDParamStr(1, this->baseset->name);
    00142     }
    00143   }
    00144 };
    00145
    00152 template <class TBaseSet>
    00153 void ShowBaseSetTextfileWindow(TextfileType file_type, const TBaseSet* baseset, StringID content_type)
    00154 {
    00155   DeleteWindowByClass(WC_TEXTFILE);
    00156   new BaseSetTextfileWindow<TBaseSet>(file_type, baseset, content_type);
    00157 }
    00158
    00159 struct GameOptionsWindow : Window {
    00160   GameSettings *opt;
    00161   bool reload;
    00162
    00163   GameOptionsWindow(const WindowDesc *desc) : Window()
    00164   {
    00165     this->opt = &GetGameSettings();
    00166     this->reload = false;
    00167
    00168     this->InitNested(desc, WN_GAME_OPTIONS_GAME_OPTIONS);
    00169     this->OnInvalidateData(0);
    00170   }
    00171
    00172   ~GameOptionsWindow()
    00173   {
    00174     DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
    00175     if (this->reload) _switch_mode = SM_MENU;
    00176   }
    00177
    00184   DropDownList *BuildDropDownList(int widget, int *selected_index) const
    00185   {
    00186     DropDownList *list = NULL;
    00187     switch (widget) {
    00188       case WID_GO_CURRENCY_DROPDOWN: { // Setup currencies dropdown
    00189         list = new DropDownList();
    00190         *selected_index = this->opt->locale.currency;
    00191         StringID *items = BuildCurrencyDropdown();
    00192         uint disabled = _game_mode == GM_MENU ? 0 : ~GetMaskOfAllowedCurrencies();
    00193         int custom_index = -1;
    00194
    00195         /* Add non-custom currencies; sorted naturally */
    00196         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00197           if (*items == STR_GAME_OPTIONS_CURRENCY_CUSTOM) {
    00198             custom_index = i;
    00199           } else {
    00200             list->push_back(new DropDownListStringItem(*items, i, HasBit(disabled, i)));
    00201           }
    00202         }
    00203         list->sort(DropDownListStringItem::NatSortFunc);
    00204
    00205         /* Append custom currency at the end */
    00206         if (custom_index >= 0) {
    00207           list->push_back(new DropDownListItem(-1, false)); // separator line
    00208           list->push_back(new DropDownListStringItem(STR_GAME_OPTIONS_CURRENCY_CUSTOM, custom_index, HasBit(disabled, custom_index)));
    00209         }
    00210         break;
    00211       }
    00212
    00213       case WID_GO_DISTANCE_DROPDOWN: { // Setup distance unit dropdown
    00214         list = new DropDownList();
    00215         *selected_index = this->opt->locale.units;
    00216         const StringID *items = _units_dropdown;
    00217         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00218           list->push_back(new DropDownListStringItem(*items, i, false));
    00219         }
    00220         break;
    00221       }
    00222
    00223       case WID_GO_ROADSIDE_DROPDOWN: { // Setup road-side dropdown
    00224         list = new DropDownList();
    00225         *selected_index = this->opt->vehicle.road_side;
    00226         const StringID *items = _driveside_dropdown;
    00227         uint disabled = 0;
    00228
    00229         /* You can only change the drive side if you are in the menu or ingame with
    00230          * no vehicles present. In a networking game only the server can change it */
    00231         extern bool RoadVehiclesAreBuilt();
    00232         if ((_game_mode != GM_MENU && RoadVehiclesAreBuilt()) || (_networking && !_network_server)) {
    00233           disabled = ~(1 << this->opt->vehicle.road_side); // disable the other value
    00234         }
    00235
    00236         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00237           list->push_back(new DropDownListStringItem(*items, i, HasBit(disabled, i)));
    00238         }
    00239         break;
    00240       }
    00241
    00242       case WID_GO_TOWNNAME_DROPDOWN: { // Setup townname dropdown
    00243         list = new DropDownList();
    00244         *selected_index = this->opt->game_creation.town_name;
    00245
    00246         int enabled_item = (_game_mode == GM_MENU || Town::GetNumItems() == 0) ? -1 : *selected_index;
    00247
    00248         /* Add and sort original townnames generators */
    00249         for (int i = 0; i < _nb_orig_names; i++) {
    00250           list->push_back(new DropDownListStringItem(STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + i, i, enabled_item != i && enabled_item >= 0));
    00251         }
    00252         list->sort(DropDownListStringItem::NatSortFunc);
    00253
    00254         /* Add and sort newgrf townnames generators */
    00255         DropDownList newgrf_names;
    00256         for (int i = 0; i < _nb_grf_names; i++) {
    00257           int result = _nb_orig_names + i;
    00258           newgrf_names.push_back(new DropDownListStringItem(_grf_names[i], result, enabled_item != result && enabled_item >= 0));
    00259         }
    00260         newgrf_names.sort(DropDownListStringItem::NatSortFunc);
    00261
    00262         /* Insert newgrf_names at the top of the list */
    00263         if (newgrf_names.size() > 0) {
    00264           newgrf_names.push_back(new DropDownListItem(-1, false)); // separator line
    00265           list->splice(list->begin(), newgrf_names);
    00266         }
    00267         break;
    00268       }
    00269
    00270       case WID_GO_AUTOSAVE_DROPDOWN: { // Setup autosave dropdown
    00271         list = new DropDownList();
    00272         *selected_index = _settings_client.gui.autosave;
    00273         const StringID *items = _autosave_dropdown;
    00274         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00275           list->push_back(new DropDownListStringItem(*items, i, false));
    00276         }
    00277         break;
    00278       }
    00279
    00280       case WID_GO_LANG_DROPDOWN: { // Setup interface language dropdown
    00281         list = new DropDownList();
    00282         for (uint i = 0; i < _languages.Length(); i++) {
    00283           if (&_languages[i] == _current_language) *selected_index = i;
    00284           list->push_back(new DropDownListStringItem(SPECSTR_LANGUAGE_START + i, i, false));
    00285         }
    00286         list->sort(DropDownListStringItem::NatSortFunc);
    00287         break;
    00288       }
    00289
    00290       case WID_GO_RESOLUTION_DROPDOWN: // Setup resolution dropdown
    00291         list = new DropDownList();
    00292         *selected_index = GetCurRes();
    00293         for (int i = 0; i < _num_resolutions; i++) {
    00294           list->push_back(new DropDownListStringItem(SPECSTR_RESOLUTION_START + i, i, false));
    00295         }
    00296         break;
    00297
    00298       case WID_GO_SCREENSHOT_DROPDOWN: // Setup screenshot format dropdown
    00299         list = new DropDownList();
    00300         *selected_index = _cur_screenshot_format;
    00301         for (uint i = 0; i < _num_screenshot_formats; i++) {
    00302           if (!GetScreenshotFormatSupports_32bpp(i) && BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth() == 32) continue;
    00303           list->push_back(new DropDownListStringItem(SPECSTR_SCREENSHOT_START + i, i, false));
    00304         }
    00305         break;
    00306
    00307       case WID_GO_BASE_GRF_DROPDOWN:
    00308         list = BuiltSetDropDownList<BaseGraphics>(selected_index);
    00309         break;
    00310
    00311       case WID_GO_BASE_SFX_DROPDOWN:
    00312         list = BuiltSetDropDownList<BaseSounds>(selected_index);
    00313         break;
    00314
    00315       case WID_GO_BASE_MUSIC_DROPDOWN:
    00316         list = BuiltSetDropDownList<BaseMusic>(selected_index);
    00317         break;
    00318
    00319       default:
    00320         return NULL;
    00321     }
    00322
    00323     return list;
    00324   }
    00325
    00326   virtual void SetStringParameters(int widget) const
    00327   {
    00328     switch (widget) {
    00329       case WID_GO_CURRENCY_DROPDOWN:   SetDParam(0, _currency_specs[this->opt->locale.currency].name); break;
    00330       case WID_GO_DISTANCE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL + this->opt->locale.units); break;
    00331       case WID_GO_ROADSIDE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT + this->opt->vehicle.road_side); break;
    00332       case WID_GO_TOWNNAME_DROPDOWN:   SetDParam(0, TownName(this->opt->game_creation.town_name)); break;
    00333       case WID_GO_AUTOSAVE_DROPDOWN:   SetDParam(0, _autosave_dropdown[_settings_client.gui.autosave]); break;
    00334       case WID_GO_LANG_DROPDOWN:       SetDParamStr(0, _current_language->own_name); break;
    00335       case WID_GO_RESOLUTION_DROPDOWN: SetDParam(0, GetCurRes() == _num_resolutions ? STR_GAME_OPTIONS_RESOLUTION_OTHER : SPECSTR_RESOLUTION_START + GetCurRes()); break;
    00336       case WID_GO_SCREENSHOT_DROPDOWN: SetDParam(0, SPECSTR_SCREENSHOT_START + _cur_screenshot_format); break;
    00337       case WID_GO_BASE_GRF_DROPDOWN:   SetDParamStr(0, BaseGraphics::GetUsedSet()->name); break;
    00338       case WID_GO_BASE_GRF_STATUS:     SetDParam(0, BaseGraphics::GetUsedSet()->GetNumInvalid()); break;
    00339       case WID_GO_BASE_SFX_DROPDOWN:   SetDParamStr(0, BaseSounds::GetUsedSet()->name); break;
    00340       case WID_GO_BASE_MUSIC_DROPDOWN: SetDParamStr(0, BaseMusic::GetUsedSet()->name); break;
    00341       case WID_GO_BASE_MUSIC_STATUS:   SetDParam(0, BaseMusic::GetUsedSet()->GetNumInvalid()); break;
    00342     }
    00343   }
    00344
    00345   virtual void DrawWidget(const Rect &r, int widget) const
    00346   {
    00347     switch (widget) {
    00348       case WID_GO_BASE_GRF_DESCRIPTION:
    00349         SetDParamStr(0, BaseGraphics::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00350         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00351         break;
    00352
    00353       case WID_GO_BASE_SFX_DESCRIPTION:
    00354         SetDParamStr(0, BaseSounds::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00355         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00356         break;
    00357
    00358       case WID_GO_BASE_MUSIC_DESCRIPTION:
    00359         SetDParamStr(0, BaseMusic::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00360         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00361         break;
    00362     }
    00363   }
    00364
    00365   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00366   {
    00367     switch (widget) {
    00368       case WID_GO_BASE_GRF_DESCRIPTION:
    00369         /* Find the biggest description for the default size. */
    00370         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
    00371           SetDParamStr(0, BaseGraphics::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00372           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00373         }
    00374         break;
    00375
    00376       case WID_GO_BASE_GRF_STATUS:
    00377         /* Find the biggest description for the default size. */
    00378         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
    00379           uint invalid_files = BaseGraphics::GetSet(i)->GetNumInvalid();
    00380           if (invalid_files == 0) continue;
    00381
    00382           SetDParam(0, invalid_files);
    00383           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_GRF_STATUS));
    00384         }
    00385         break;
    00386
    00387       case WID_GO_BASE_SFX_DESCRIPTION:
    00388         /* Find the biggest description for the default size. */
    00389         for (int i = 0; i < BaseSounds::GetNumSets(); i++) {
    00390           SetDParamStr(0, BaseSounds::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00391           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00392         }
    00393         break;
    00394
    00395       case WID_GO_BASE_MUSIC_DESCRIPTION:
    00396         /* Find the biggest description for the default size. */
    00397         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
    00398           SetDParamStr(0, BaseMusic::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00399           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00400         }
    00401         break;
    00402
    00403       case WID_GO_BASE_MUSIC_STATUS:
    00404         /* Find the biggest description for the default size. */
    00405         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
    00406           uint invalid_files = BaseMusic::GetSet(i)->GetNumInvalid();
    00407           if (invalid_files == 0) continue;
    00408
    00409           SetDParam(0, invalid_files);
    00410           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_MUSIC_STATUS));
    00411         }
    00412         break;
    00413
    00414       default: {
    00415         int selected;
    00416         DropDownList *list = this->BuildDropDownList(widget, &selected);
    00417         if (list != NULL) {
    00418           /* Find the biggest item for the default size. */
    00419           for (DropDownList::iterator it = list->begin(); it != list->end(); it++) {
    00420             static const Dimension extra = {WD_DROPDOWNTEXT_LEFT + WD_DROPDOWNTEXT_RIGHT, WD_DROPDOWNTEXT_TOP + WD_DROPDOWNTEXT_BOTTOM};
    00421             Dimension string_dim;
    00422             int width = (*it)->Width();
    00423             string_dim.width = width + extra.width;
    00424             string_dim.height = (*it)->Height(width) + extra.height;
    00425             *size = maxdim(*size, string_dim);
    00426             delete *it;
    00427           }
    00428           delete list;
    00429         }
    00430       }
    00431     }
    00432   }
    00433
    00434   virtual void OnClick(Point pt, int widget, int click_count)
    00435   {
    00436     if (widget >= WID_GO_BASE_GRF_TEXTFILE && widget < WID_GO_BASE_GRF_TEXTFILE + TFT_END) {
    00437       if (BaseGraphics::GetUsedSet() == NULL) return;
    00438
    00439       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_GRF_TEXTFILE), BaseGraphics::GetUsedSet(), STR_CONTENT_TYPE_BASE_GRAPHICS);
    00440       return;
    00441     }
    00442     if (widget >= WID_GO_BASE_SFX_TEXTFILE && widget < WID_GO_BASE_SFX_TEXTFILE + TFT_END) {
    00443       if (BaseSounds::GetUsedSet() == NULL) return;
    00444
    00445       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_SFX_TEXTFILE), BaseSounds::GetUsedSet(), STR_CONTENT_TYPE_BASE_SOUNDS);
    00446       return;
    00447     }
    00448     if (widget >= WID_GO_BASE_MUSIC_TEXTFILE && widget < WID_GO_BASE_MUSIC_TEXTFILE + TFT_END) {
    00449       if (BaseMusic::GetUsedSet() == NULL) return;
    00450
    00451       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_MUSIC_TEXTFILE), BaseMusic::GetUsedSet(), STR_CONTENT_TYPE_BASE_MUSIC);
    00452       return;
    00453     }
    00454     switch (widget) {
    00455       case WID_GO_FULLSCREEN_BUTTON: // Click fullscreen on/off
    00456         /* try to toggle full-screen on/off */
    00457         if (!ToggleFullScreen(!_fullscreen)) {
    00458           ShowErrorMessage(STR_ERROR_FULLSCREEN_FAILED, INVALID_STRING_ID, WL_ERROR);
    00459         }
    00460         this->SetWidgetLoweredState(WID_GO_FULLSCREEN_BUTTON, _fullscreen);
    00461         this->SetDirty();
    00462         break;
    00463
    00464       default: {
    00465         int selected;
    00466         DropDownList *list = this->BuildDropDownList(widget, &selected);
    00467         if (list != NULL) {
    00468           ShowDropDownList(this, list, selected, widget);
    00469         }
    00470         break;
    00471       }
    00472     }
    00473   }
    00474
    00480   template <class T>
    00481   void SetMediaSet(int index)
    00482   {
    00483     if (_game_mode == GM_MENU) {
    00484       const char *name = T::GetSet(index)->name;
    00485
    00486       free(T::ini_set);
    00487       T::ini_set = strdup(name);
    00488
    00489       T::SetSet(name);
    00490       this->reload = true;
    00491       this->InvalidateData();
    00492     }
    00493   }
    00494
    00495   virtual void OnDropdownSelect(int widget, int index)
    00496   {
    00497     switch (widget) {
    00498       case WID_GO_CURRENCY_DROPDOWN: // Currency
    00499         if (index == CUSTOM_CURRENCY_ID) ShowCustCurrency();
    00500         this->opt->locale.currency = index;
    00501         ReInitAllWindows();
    00502         break;
    00503
    00504       case WID_GO_DISTANCE_DROPDOWN: // Measuring units
    00505         this->opt->locale.units = index;
    00506         MarkWholeScreenDirty();
    00507         break;
    00508
    00509       case WID_GO_ROADSIDE_DROPDOWN: // Road side
    00510         if (this->opt->vehicle.road_side != index) { // only change if setting changed
    00511           uint i;
    00512           if (GetSettingFromName("vehicle.road_side", &i) == NULL) NOT_REACHED();
    00513           SetSettingValue(i, index);
    00514           MarkWholeScreenDirty();
    00515         }
    00516         break;
    00517
    00518       case WID_GO_TOWNNAME_DROPDOWN: // Town names
    00519         if (_game_mode == GM_MENU || Town::GetNumItems() == 0) {
    00520           this->opt->game_creation.town_name = index;
    00521           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_OPTIONS);
    00522         }
    00523         break;
    00524
    00525       case WID_GO_AUTOSAVE_DROPDOWN: // Autosave options
    00526         _settings_client.gui.autosave = index;
    00527         this->SetDirty();
    00528         break;
    00529
    00530       case WID_GO_LANG_DROPDOWN: // Change interface language
    00531         ReadLanguagePack(&_languages[index]);
    00532         DeleteWindowByClass(WC_QUERY_STRING);
    00533         CheckForMissingGlyphs();
    00534         UpdateAllVirtCoords();
    00535         ReInitAllWindows();
    00536         break;
    00537
    00538       case WID_GO_RESOLUTION_DROPDOWN: // Change resolution
    00539         if (index < _num_resolutions && ChangeResInGame(_resolutions[index].width, _resolutions[index].height)) {
    00540           this->SetDirty();
    00541         }
    00542         break;
    00543
    00544       case WID_GO_SCREENSHOT_DROPDOWN: // Change screenshot format
    00545         SetScreenshotFormat(index);
    00546         this->SetDirty();
    00547         break;
    00548
    00549       case WID_GO_BASE_GRF_DROPDOWN:
    00550         this->SetMediaSet<BaseGraphics>(index);
    00551         break;
    00552
    00553       case WID_GO_BASE_SFX_DROPDOWN:
    00554         this->SetMediaSet<BaseSounds>(index);
    00555         break;
    00556
    00557       case WID_GO_BASE_MUSIC_DROPDOWN:
    00558         this->SetMediaSet<BaseMusic>(index);
    00559         break;
    00560     }
    00561   }
    00562
    00568   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00569   {
    00570     if (!gui_scope) return;
    00571     this->SetWidgetLoweredState(WID_GO_FULLSCREEN_BUTTON, _fullscreen);
    00572
    00573     bool missing_files = BaseGraphics::GetUsedSet()->GetNumMissing() == 0;
    00574     this->GetWidget<NWidgetCore>(WID_GO_BASE_GRF_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_GRF_STATUS, STR_NULL);
    00575
    00576     for (TextfileType tft = TFT_BEGIN; tft < TFT_END; tft++) {
    00577       this->SetWidgetDisabledState(WID_GO_BASE_GRF_TEXTFILE + tft, BaseGraphics::GetUsedSet() == NULL || BaseGraphics::GetUsedSet()->GetTextfile(tft) == NULL);
    00578       this->SetWidgetDisabledState(WID_GO_BASE_SFX_TEXTFILE + tft, BaseSounds::GetUsedSet() == NULL || BaseSounds::GetUsedSet()->GetTextfile(tft) == NULL);
    00579       this->SetWidgetDisabledState(WID_GO_BASE_MUSIC_TEXTFILE + tft, BaseMusic::GetUsedSet() == NULL || BaseMusic::GetUsedSet()->GetTextfile(tft) == NULL);
    00580     }
    00581
    00582     missing_files = BaseMusic::GetUsedSet()->GetNumInvalid() == 0;
    00583     this->GetWidget<NWidgetCore>(WID_GO_BASE_MUSIC_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_MUSIC_STATUS, STR_NULL);
    00584   }
    00585 };
    00586
    00587 static const NWidgetPart _nested_game_options_widgets[] = {
    00588   NWidget(NWID_HORIZONTAL),
    00589     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00590     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00591   EndContainer(),
    00592   NWidget(WWT_PANEL, COLOUR_GREY, WID_GO_BACKGROUND), SetPIP(6, 6, 10),
    00593     NWidget(NWID_HORIZONTAL), SetPIP(10, 10, 10),
    00594       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
    00595         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CURRENCY_UNITS_FRAME, STR_NULL),
    00596           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_CURRENCY_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_CURRENCY_UNITS_DROPDOWN_TOOLTIP), SetFill(1, 0),
    00597         EndContainer(),
    00598         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_ROAD_VEHICLES_FRAME, STR_NULL),
    00599           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_ROADSIDE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_TOOLTIP), SetFill(1, 0),
    00600         EndContainer(),
    00601         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_AUTOSAVE_FRAME, STR_NULL),
    00602           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_AUTOSAVE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_TOOLTIP), SetFill(1, 0),
    00603         EndContainer(),
    00604         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_RESOLUTION, STR_NULL),
    00605           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_RESOLUTION_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_RESOLUTION_TOOLTIP), SetFill(1, 0), SetPadding(0, 0, 3, 0),
    00606           NWidget(NWID_HORIZONTAL),
    00607             NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_FULLSCREEN, STR_NULL),
    00608             NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_FULLSCREEN_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_FULLSCREEN_TOOLTIP),
    00609           EndContainer(),
    00610         EndContainer(),
    00611       EndContainer(),
    00612
    00613       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
    00614         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_MEASURING_UNITS_FRAME, STR_NULL),
    00615           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_DISTANCE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_MEASURING_UNITS_DROPDOWN_TOOLTIP), SetFill(1, 0),
    00616         EndContainer(),
    00617         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_TOWN_NAMES_FRAME, STR_NULL),
    00618           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_TOWNNAME_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_TOWN_NAMES_DROPDOWN_TOOLTIP), SetFill(1, 0),
    00619         EndContainer(),
    00620         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_LANGUAGE, STR_NULL),
    00621           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_LANG_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_LANGUAGE_TOOLTIP), SetFill(1, 0),
    00622         EndContainer(),
    00623         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_SCREENSHOT_FORMAT, STR_NULL),
    00624           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_SCREENSHOT_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_SCREENSHOT_FORMAT_TOOLTIP), SetFill(1, 0),
    00625         EndContainer(),
    00626         NWidget(NWID_SPACER), SetMinimalSize(0, 0), SetFill(0, 1),
    00627       EndContainer(),
    00628     EndContainer(),
    00629
    00630     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_GRF, STR_NULL), SetPadding(0, 10, 0, 10),
    00631       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00632         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_GRF_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_GRF_TOOLTIP),
    00633         NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_GRF_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
    00634       EndContainer(),
    00635       NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_GRF_DESCRIPTION), SetMinimalSize(330, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_GRF_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 6, 0),
    00636       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00637         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_GRF_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
    00638         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_GRF_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
    00639         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_GRF_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
    00640       EndContainer(),
    00641     EndContainer(),
    00642
    00643     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_SFX, STR_NULL), SetPadding(0, 10, 0, 10),
    00644       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00645         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_SFX_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_SFX_TOOLTIP),
    00646         NWidget(NWID_SPACER), SetFill(1, 0),
    00647       EndContainer(),
    00648       NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_SFX_DESCRIPTION), SetMinimalSize(330, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_SFX_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 6, 0),
    00649       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00650         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_SFX_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
    00651         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_SFX_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
    00652         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_SFX_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
    00653       EndContainer(),
    00654     EndContainer(),
    00655
    00656     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_MUSIC, STR_NULL), SetPadding(0, 10, 0, 10),
    00657       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00658         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_MUSIC_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_MUSIC_TOOLTIP),
    00659         NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_MUSIC_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
    00660       EndContainer(),
    00661       NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_MUSIC_DESCRIPTION), SetMinimalSize(330, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_MUSIC_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 6, 0),
    00662       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00663         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_MUSIC_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
    00664         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_MUSIC_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
    00665         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_MUSIC_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
    00666       EndContainer(),
    00667     EndContainer(),
    00668   EndContainer(),
    00669 };
    00670
    00671 static const WindowDesc _game_options_desc(
    00672   WDP_CENTER, 0, 0,
    00673   WC_GAME_OPTIONS, WC_NONE,
    00674   0,
    00675   _nested_game_options_widgets, lengthof(_nested_game_options_widgets)
    00676 );
    00677
    00679 void ShowGameOptions()
    00680 {
    00681   DeleteWindowByClass(WC_GAME_OPTIONS);
    00682   new GameOptionsWindow(&_game_options_desc);
    00683 }
    00684
    00685 static int SETTING_HEIGHT = 11;
    00686 static const int LEVEL_WIDTH = 15;
    00687
    00692 enum SettingEntryFlags {
    00693   SEF_LEFT_DEPRESSED  = 0x01,
    00694   SEF_RIGHT_DEPRESSED = 0x02,
    00695   SEF_BUTTONS_MASK = (SEF_LEFT_DEPRESSED | SEF_RIGHT_DEPRESSED),
    00696
    00697   SEF_LAST_FIELD = 0x04,
    00698   SEF_FILTERED   = 0x08,
    00699
    00700   /* Entry kind */
    00701   SEF_SETTING_KIND = 0x10,
    00702   SEF_SUBTREE_KIND = 0x20,
    00703   SEF_KIND_MASK    = (SEF_SETTING_KIND | SEF_SUBTREE_KIND),
    00704 };
    00705
    00706 struct SettingsPage; // Forward declaration
    00707
    00709 struct SettingEntrySubtree {
    00710   SettingsPage *page;
    00711   bool folded;
    00712   StringID title;
    00713 };
    00714
    00716 struct SettingEntrySetting {
    00717   const char *name;
    00718   const SettingDesc *setting;
    00719   uint index;
    00720 };
    00721
    00723 enum RestrictionMode {
    00724   RM_BASIC,
    00725   RM_ADVANCED,
    00726   RM_ALL,
    00727   RM_CHANGED_AGAINST_DEFAULT,
    00728   RM_CHANGED_AGAINST_NEW,
    00729   RM_END,
    00730 };
    00731
    00733 struct SettingFilter {
    00734   StringFilter string;
    00735   RestrictionMode mode;
    00736   SettingType type;
    00737 };
    00738
    00740 struct SettingEntry {
    00741   byte flags;
    00742   byte level;
    00743   union {
    00744     SettingEntrySetting entry;
    00745     SettingEntrySubtree sub;
    00746   } d;
    00747
    00748   SettingEntry(const char *nm);
    00749   SettingEntry(SettingsPage *sub, StringID title);
    00750
    00751   void Init(byte level);
    00752   void FoldAll();
    00753   void UnFoldAll();
    00754   void SetButtons(byte new_val);
    00755
    00760   void SetLastField(bool last_field) { if (last_field) SETBITS(this->flags, SEF_LAST_FIELD); else CLRBITS(this->flags, SEF_LAST_FIELD); }
    00761
    00762   uint Length() const;
    00763   void GetFoldingState(bool &all_folded, bool &all_unfolded) const;
    00764   bool IsVisible(const SettingEntry *item) const;
    00765   SettingEntry *FindEntry(uint row, uint *cur_row);
    00766   uint GetMaxHelpHeight(int maxw);
    00767
    00768   bool IsFiltered() const;
    00769   bool UpdateFilterState(SettingFilter &filter, bool force_visible);
    00770
    00771   uint Draw(GameSettings *settings_ptr, int base_x, int base_y, int max_x, uint first_row, uint max_row, uint cur_row, uint parent_last, SettingEntry *selected);
    00772
    00777   inline StringID GetHelpText()
    00778   {
    00779     assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    00780     return this->d.entry.setting->desc.str_help;
    00781   }
    00782
    00783   void SetValueDParams(uint first_param, int32 value);
    00784
    00785 private:
    00786   void DrawSetting(GameSettings *settings_ptr, int x, int y, int max_x, int state, bool highlight);
    00787   bool IsVisibleByRestrictionMode(RestrictionMode mode) const;
    00788 };
    00789
    00791 struct SettingsPage {
    00792   SettingEntry *entries;
    00793   byte num;
    00794
    00795   void Init(byte level = 0);
    00796   void FoldAll();
    00797   void UnFoldAll();
    00798
    00799   uint Length() const;
    00800   void GetFoldingState(bool &all_folded, bool &all_unfolded) const;
    00801   bool IsVisible(const SettingEntry *item) const;
    00802   SettingEntry *FindEntry(uint row, uint *cur_row) const;
    00803   uint GetMaxHelpHeight(int maxw);
    00804
    00805   bool UpdateFilterState(SettingFilter &filter, bool force_visible);
    00806
    00807   uint Draw(GameSettings *settings_ptr, int base_x, int base_y, int max_x, uint first_row, uint max_row, SettingEntry *selected, uint cur_row = 0, uint parent_last = 0) const;
    00808 };
    00809
    00810
    00811 /* == SettingEntry methods == */
    00812
    00817 SettingEntry::SettingEntry(const char *nm)
    00818 {
    00819   this->flags = SEF_SETTING_KIND;
    00820   this->level = 0;
    00821   this->d.entry.name = nm;
    00822   this->d.entry.setting = NULL;
    00823   this->d.entry.index = 0;
    00824 }
    00825
    00831 SettingEntry::SettingEntry(SettingsPage *sub, StringID title)
    00832 {
    00833   this->flags = SEF_SUBTREE_KIND;
    00834   this->level = 0;
    00835   this->d.sub.page = sub;
    00836   this->d.sub.folded = true;
    00837   this->d.sub.title = title;
    00838 }
    00839
    00844 void SettingEntry::Init(byte level)
    00845 {
    00846   this->level = level;
    00847
    00848   switch (this->flags & SEF_KIND_MASK) {
    00849     case SEF_SETTING_KIND:
    00850       this->d.entry.setting = GetSettingFromName(this->d.entry.name, &this->d.entry.index);
    00851       assert(this->d.entry.setting != NULL);
    00852       break;
    00853     case SEF_SUBTREE_KIND:
    00854       this->d.sub.page->Init(level + 1);
    00855       break;
    00856     default: NOT_REACHED();
    00857   }
    00858 }
    00859
    00861 void SettingEntry::FoldAll()
    00862 {
    00863   if (this->IsFiltered()) return;
    00864   switch (this->flags & SEF_KIND_MASK) {
    00865     case SEF_SETTING_KIND:
    00866       break;
    00867
    00868     case SEF_SUBTREE_KIND:
    00869       this->d.sub.folded = true;
    00870       this->d.sub.page->FoldAll();
    00871       break;
    00872
    00873     default: NOT_REACHED();
    00874   }
    00875 }
    00876
    00878 void SettingEntry::UnFoldAll()
    00879 {
    00880   if (this->IsFiltered()) return;
    00881   switch (this->flags & SEF_KIND_MASK) {
    00882     case SEF_SETTING_KIND:
    00883       break;
    00884
    00885     case SEF_SUBTREE_KIND:
    00886       this->d.sub.folded = false;
    00887       this->d.sub.page->UnFoldAll();
    00888       break;
    00889
    00890     default: NOT_REACHED();
    00891   }
    00892 }
    00893
    00899 void SettingEntry::GetFoldingState(bool &all_folded, bool &all_unfolded) const
    00900 {
    00901   if (this->IsFiltered()) return;
    00902   switch (this->flags & SEF_KIND_MASK) {
    00903     case SEF_SETTING_KIND:
    00904       break;
    00905
    00906     case SEF_SUBTREE_KIND:
    00907       if (this->d.sub.folded) {
    00908         all_unfolded = false;
    00909       } else {
    00910         all_folded = false;
    00911       }
    00912       this->d.sub.page->GetFoldingState(all_folded, all_unfolded);
    00913       break;
    00914
    00915     default: NOT_REACHED();
    00916   }
    00917 }
    00918
    00925 bool SettingEntry::IsVisible(const SettingEntry *item) const
    00926 {
    00927   if (this->IsFiltered()) return false;
    00928   if (this == item) return true;
    00929
    00930   switch (this->flags & SEF_KIND_MASK) {
    00931     case SEF_SETTING_KIND:
    00932       return false;
    00933
    00934     case SEF_SUBTREE_KIND:
    00935       return !this->d.sub.folded && this->d.sub.page->IsVisible(item);
    00936
    00937     default: NOT_REACHED();
    00938   }
    00939 }
    00940
    00946 void SettingEntry::SetButtons(byte new_val)
    00947 {
    00948   assert((new_val & ~SEF_BUTTONS_MASK) == 0); // Should not touch any flags outside the buttons
    00949   this->flags = (this->flags & ~SEF_BUTTONS_MASK) | new_val;
    00950 }
    00951
    00953 uint SettingEntry::Length() const
    00954 {
    00955   if (this->IsFiltered()) return 0;
    00956   switch (this->flags & SEF_KIND_MASK) {
    00957     case SEF_SETTING_KIND:
    00958       return 1;
    00959     case SEF_SUBTREE_KIND:
    00960       if (this->d.sub.folded) return 1; // Only displaying the title
    00961
    00962       return 1 + this->d.sub.page->Length(); // 1 extra row for the title
    00963     default: NOT_REACHED();
    00964   }
    00965 }
    00966
    00973 SettingEntry *SettingEntry::FindEntry(uint row_num, uint *cur_row)
    00974 {
    00975   if (this->IsFiltered()) return NULL;
    00976   if (row_num == *cur_row) return this;
    00977
    00978   switch (this->flags & SEF_KIND_MASK) {
    00979     case SEF_SETTING_KIND:
    00980       (*cur_row)++;
    00981       break;
    00982     case SEF_SUBTREE_KIND:
    00983       (*cur_row)++; // add one for row containing the title
    00984       if (this->d.sub.folded) {
    00985         break;
    00986       }
    00987
    00988       /* sub-page is visible => search it too */
    00989       return this->d.sub.page->FindEntry(row_num, cur_row);
    00990     default: NOT_REACHED();
    00991   }
    00992   return NULL;
    00993 }
    00994
    01000 uint SettingEntry::GetMaxHelpHeight(int maxw)
    01001 {
    01002   switch (this->flags & SEF_KIND_MASK) {
    01003     case SEF_SETTING_KIND: return GetStringHeight(this->GetHelpText(), maxw);
    01004     case SEF_SUBTREE_KIND: return this->d.sub.page->GetMaxHelpHeight(maxw);
    01005     default:               NOT_REACHED();
    01006   }
    01007 }
    01008
    01013 bool SettingEntry::IsFiltered() const
    01014 {
    01015   return (this->flags & SEF_FILTERED) != 0;
    01016 }
    01017
    01023 bool SettingEntry::IsVisibleByRestrictionMode(RestrictionMode mode) const
    01024 {
    01025   /* There shall not be any restriction, i.e. all settings shall be visible. */
    01026   if (mode == RM_ALL) return true;
    01027
    01028   GameSettings *settings_ptr = &GetGameSettings();
    01029   assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01030   const SettingDesc *sd = this->d.entry.setting;
    01031
    01032   if (mode == RM_BASIC) return (this->d.entry.setting->desc.cat & SC_BASIC_LIST) != 0;
    01033   if (mode == RM_ADVANCED) return (this->d.entry.setting->desc.cat & SC_ADVANCED_LIST) != 0;
    01034
    01035   /* Read the current value. */
    01036   const void *var = ResolveVariableAddress(settings_ptr, sd);
    01037   int64 current_value = ReadValue(var, sd->save.conv);
    01038
    01039   int64 filter_value;
    01040
    01041   if (mode == RM_CHANGED_AGAINST_DEFAULT) {
    01042     /* This entry shall only be visible, if the value deviates from its default value. */
    01043
    01044     /* Read the default value. */
    01045     filter_value = ReadValue(&sd->desc.def, sd->save.conv);
    01046   } else {
    01047     assert(mode == RM_CHANGED_AGAINST_NEW);
    01048     /* This entry shall only be visible, if the value deviates from
    01049      * its value is used when starting a new game. */
    01050
    01051     /* Make sure we're not comparing the new game settings against itself. */
    01052     assert(settings_ptr != &_settings_newgame);
    01053
    01054     /* Read the new game's value. */
    01055     var = ResolveVariableAddress(&_settings_newgame, sd);
    01056     filter_value = ReadValue(var, sd->save.conv);
    01057   }
    01058
    01059   return current_value != filter_value;
    01060 }
    01061
    01068 bool SettingEntry::UpdateFilterState(SettingFilter &filter, bool force_visible)
    01069 {
    01070   CLRBITS(this->flags, SEF_FILTERED);
    01071
    01072   bool visible = true;
    01073   switch (this->flags & SEF_KIND_MASK) {
    01074     case SEF_SETTING_KIND: {
    01075       const SettingDesc *sd = this->d.entry.setting;
    01076       if (!force_visible && !filter.string.IsEmpty()) {
    01077         /* Process the search text filter for this item. */
    01078         filter.string.ResetState();
    01079
    01080         const SettingDescBase *sdb = &sd->desc;
    01081
    01082         SetDParam(0, STR_EMPTY);
    01083         filter.string.AddLine(sdb->str);
    01084         filter.string.AddLine(this->GetHelpText());
    01085
    01086         visible = filter.string.GetState();
    01087       }
    01088       if (filter.type != ST_ALL) visible = visible && sd->GetType() == filter.type;
    01089       visible = visible && this->IsVisibleByRestrictionMode(filter.mode);
    01090       break;
    01091     }
    01092     case SEF_SUBTREE_KIND: {
    01093       if (!force_visible && !filter.string.IsEmpty()) {
    01094         filter.string.ResetState();
    01095         filter.string.AddLine(this->d.sub.title);
    01096         force_visible = filter.string.GetState();
    01097       }
    01098       visible = this->d.sub.page->UpdateFilterState(filter, force_visible);
    01099       break;
    01100     }
    01101     default: NOT_REACHED();
    01102   }
    01103
    01104   if (!visible) SETBITS(this->flags, SEF_FILTERED);
    01105   return visible;
    01106 }
    01107
    01108
    01109
    01137 uint SettingEntry::Draw(GameSettings *settings_ptr, int left, int right, int base_y, uint first_row, uint max_row, uint cur_row, uint parent_last, SettingEntry *selected)
    01138 {
    01139   if (this->IsFiltered()) return cur_row;
    01140   if (cur_row >= max_row) return cur_row;
    01141
    01142   bool rtl = _current_text_dir == TD_RTL;
    01143   int offset = rtl ? -4 : 4;
    01144   int level_width = rtl ? -LEVEL_WIDTH : LEVEL_WIDTH;
    01145
    01146   int x = rtl ? right : left;
    01147   int y = base_y;
    01148   if (cur_row >= first_row) {
    01149     int colour = _colour_gradient[COLOUR_ORANGE][4];
    01150     y = base_y + (cur_row - first_row) * SETTING_HEIGHT; // Compute correct y start position
    01151
    01152     /* Draw vertical for parent nesting levels */
    01153     for (uint lvl = 0; lvl < this->level; lvl++) {
    01154       if (!HasBit(parent_last, lvl)) GfxDrawLine(x + offset, y, x + offset, y + SETTING_HEIGHT - 1, colour);
    01155       x += level_width;
    01156     }
    01157     /* draw own |- prefix */
    01158     int halfway_y = y + SETTING_HEIGHT / 2;
    01159     int bottom_y = (flags & SEF_LAST_FIELD) ? halfway_y : y + SETTING_HEIGHT - 1;
    01160     GfxDrawLine(x + offset, y, x + offset, bottom_y, colour);
    01161     /* Small horizontal line from the last vertical line */
    01162     GfxDrawLine(x + offset, halfway_y, x + level_width - offset, halfway_y, colour);
    01163     x += level_width;
    01164   }
    01165
    01166   switch (this->flags & SEF_KIND_MASK) {
    01167     case SEF_SETTING_KIND:
    01168       if (cur_row >= first_row) {
    01169         this->DrawSetting(settings_ptr, rtl ? left : x, rtl ? x : right, y, this->flags & SEF_BUTTONS_MASK,
    01170             this == selected);
    01171       }
    01172       cur_row++;
    01173       break;
    01174     case SEF_SUBTREE_KIND:
    01175       if (cur_row >= first_row) {
    01176         DrawSprite((this->d.sub.folded ? SPR_CIRCLE_FOLDED : SPR_CIRCLE_UNFOLDED), PAL_NONE, rtl ? x - 8 : x, y + (SETTING_HEIGHT - 11) / 2);
    01177         DrawString(rtl ? left : x + 12, rtl ? x - 12 : right, y, this->d.sub.title);
    01178       }
    01179       cur_row++;
    01180       if (!this->d.sub.folded) {
    01181         if (this->flags & SEF_LAST_FIELD) {
    01182           assert(this->level < sizeof(parent_last));
    01183           SetBit(parent_last, this->level); // Add own last-field state
    01184         }
    01185
    01186         cur_row = this->d.sub.page->Draw(settings_ptr, left, right, base_y, first_row, max_row, selected, cur_row, parent_last);
    01187       }
    01188       break;
    01189     default: NOT_REACHED();
    01190   }
    01191   return cur_row;
    01192 }
    01193
    01194 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd)
    01195 {
    01196   if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    01197     if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
    01198       return GetVariableAddress(&Company::Get(_local_company)->settings, &sd->save);
    01199     } else {
    01200       return GetVariableAddress(&_settings_client.company, &sd->save);
    01201     }
    01202   } else {
    01203     return GetVariableAddress(settings_ptr, &sd->save);
    01204   }
    01205 }
    01206
    01212 void SettingEntry::SetValueDParams(uint first_param, int32 value)
    01213 {
    01214   assert((this->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01215   const SettingDescBase *sdb = &this->d.entry.setting->desc;
    01216   if (sdb->cmd == SDT_BOOLX) {
    01217     SetDParam(first_param++, value != 0 ? STR_CONFIG_SETTING_ON : STR_CONFIG_SETTING_OFF);
    01218   } else {
    01219     if ((sdb->flags & SGF_MULTISTRING) != 0) {
    01220       SetDParam(first_param++, sdb->str_val - sdb->min + value);
    01221     } else if ((sdb->flags & SGF_DISPLAY_ABS) != 0) {
    01222       SetDParam(first_param++, sdb->str_val + ((value >= 0) ? 1 : 0));
    01223       value = abs(value);
    01224     } else {
    01225       SetDParam(first_param++, sdb->str_val + ((value == 0 && (sdb->flags & SGF_0ISDISABLED) != 0) ? 1 : 0));
    01226     }
    01227     SetDParam(first_param++, value);
    01228   }
    01229 }
    01230
    01240 void SettingEntry::DrawSetting(GameSettings *settings_ptr, int left, int right, int y, int state, bool highlight)
    01241 {
    01242   const SettingDesc *sd = this->d.entry.setting;
    01243   const SettingDescBase *sdb = &sd->desc;
    01244   const void *var = ResolveVariableAddress(settings_ptr, sd);
    01245
    01246   bool rtl = _current_text_dir == TD_RTL;
    01247   uint buttons_left = rtl ? right + 1 - SETTING_BUTTON_WIDTH : left;
    01248   uint text_left  = left + (rtl ? 0 : SETTING_BUTTON_WIDTH + 5);
    01249   uint text_right = right - (rtl ? SETTING_BUTTON_WIDTH + 5 : 0);
    01250   uint button_y = y + (SETTING_HEIGHT - SETTING_BUTTON_HEIGHT) / 2;
    01251
    01252   /* We do not allow changes of some items when we are a client in a networkgame */
    01253   bool editable = sd->IsEditable();
    01254
    01255   SetDParam(0, highlight ? STR_ORANGE_STRING1_WHITE : STR_ORANGE_STRING1_LTBLUE);
    01256   int32 value = (int32)ReadValue(var, sd->save.conv);
    01257   if (sdb->cmd == SDT_BOOLX) {
    01258     /* Draw checkbox for boolean-value either on/off */
    01259     DrawBoolButton(buttons_left, button_y, value != 0, editable);
    01260   } else if ((sdb->flags & SGF_MULTISTRING) != 0) {
    01261     /* Draw [v] button for settings of an enum-type */
    01262     DrawDropDownButton(buttons_left, button_y, COLOUR_YELLOW, state != 0, editable);
    01263   } else {
    01264     /* Draw [<][>] boxes for settings of an integer-type */
    01265     DrawArrowButtons(buttons_left, button_y, COLOUR_YELLOW, state,
    01266         editable && value != (sdb->flags & SGF_0ISDISABLED ? 0 : sdb->min), editable && (uint32)value != sdb->max);
    01267   }
    01268   this->SetValueDParams(1, value);
    01269   DrawString(text_left, text_right, y, sdb->str, highlight ? TC_WHITE : TC_LIGHT_BLUE);
    01270 }
    01271
    01272
    01273 /* == SettingsPage methods == */
    01274
    01279 void SettingsPage::Init(byte level)
    01280 {
    01281   for (uint field = 0; field < this->num; field++) {
    01282     this->entries[field].Init(level);
    01283   }
    01284 }
    01285
    01287 void SettingsPage::FoldAll()
    01288 {
    01289   for (uint field = 0; field < this->num; field++) {
    01290     this->entries[field].FoldAll();
    01291   }
    01292 }
    01293
    01295 void SettingsPage::UnFoldAll()
    01296 {
    01297   for (uint field = 0; field < this->num; field++) {
    01298     this->entries[field].UnFoldAll();
    01299   }
    01300 }
    01301
    01307 void SettingsPage::GetFoldingState(bool &all_folded, bool &all_unfolded) const
    01308 {
    01309   for (uint field = 0; field < this->num; field++) {
    01310     this->entries[field].GetFoldingState(all_folded, all_unfolded);
    01311   }
    01312 }
    01313
    01320 bool SettingsPage::UpdateFilterState(SettingFilter &filter, bool force_visible)
    01321 {
    01322   bool visible = false;
    01323   bool first_visible = true;
    01324   for (int field = this->num - 1; field >= 0; field--) {
    01325     visible |= this->entries[field].UpdateFilterState(filter, force_visible);
    01326     this->entries[field].SetLastField(first_visible);
    01327     if (visible && first_visible) first_visible = false;
    01328   }
    01329   return visible;
    01330 }
    01331
    01332
    01339 bool SettingsPage::IsVisible(const SettingEntry *item) const
    01340 {
    01341   for (uint field = 0; field < this->num; field++) {
    01342     if (this->entries[field].IsVisible(item)) return true;
    01343   }
    01344   return false;
    01345 }
    01346
    01348 uint SettingsPage::Length() const
    01349 {
    01350   uint length = 0;
    01351   for (uint field = 0; field < this->num; field++) {
    01352     length += this->entries[field].Length();
    01353   }
    01354   return length;
    01355 }
    01356
    01363 SettingEntry *SettingsPage::FindEntry(uint row_num, uint *cur_row) const
    01364 {
    01365   SettingEntry *pe = NULL;
    01366
    01367   for (uint field = 0; field < this->num; field++) {
    01368     pe = this->entries[field].FindEntry(row_num, cur_row);
    01369     if (pe != NULL) {
    01370       break;
    01371     }
    01372   }
    01373   return pe;
    01374 }
    01375
    01381 uint SettingsPage::GetMaxHelpHeight(int maxw)
    01382 {
    01383   uint biggest = 0;
    01384   for (uint field = 0; field < this->num; field++) {
    01385     biggest = max(biggest, this->entries[field].GetMaxHelpHeight(maxw));
    01386   }
    01387   return biggest;
    01388 }
    01389
    01408 uint SettingsPage::Draw(GameSettings *settings_ptr, int left, int right, int base_y, uint first_row, uint max_row, SettingEntry *selected, uint cur_row, uint parent_last) const
    01409 {
    01410   if (cur_row >= max_row) return cur_row;
    01411
    01412   for (uint i = 0; i < this->num; i++) {
    01413     cur_row = this->entries[i].Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last, selected);
    01414     if (cur_row >= max_row) {
    01415       break;
    01416     }
    01417   }
    01418   return cur_row;
    01419 }
    01420
    01421
    01422 static SettingEntry _settings_ui_display[] = {
    01423   SettingEntry("gui.date_format_in_default_names"),
    01424   SettingEntry("gui.population_in_label"),
    01425   SettingEntry("gui.measure_tooltip"),
    01426   SettingEntry("gui.loading_indicators"),
    01427   SettingEntry("gui.liveries"),
    01428   SettingEntry("gui.show_track_reservation"),
    01429   SettingEntry("gui.expenses_layout"),
    01430   SettingEntry("gui.smallmap_land_colour"),
    01431   SettingEntry("gui.zoom_min"),
    01432   SettingEntry("gui.zoom_max"),
    01433   SettingEntry("gui.graph_line_thickness"),
    01434 };
    01436 static SettingsPage _settings_ui_display_page = {_settings_ui_display, lengthof(_settings_ui_display)};
    01437
    01438 static SettingEntry _settings_ui_interaction[] = {
    01439   SettingEntry("gui.window_snap_radius"),
    01440   SettingEntry("gui.window_soft_limit"),
    01441   SettingEntry("gui.link_terraform_toolbar"),
    01442   SettingEntry("gui.prefer_teamchat"),
    01443   SettingEntry("gui.auto_scrolling"),
    01444   SettingEntry("gui.reverse_scroll"),
    01445   SettingEntry("gui.smooth_scroll"),
    01446   SettingEntry("gui.left_mouse_btn_scrolling"),
    01447   /* While the horizontal scrollwheel scrolling is written as general code, only
    01448    *  the cocoa (OSX) driver generates input for it.
    01449    *  Since it's also able to completely disable the scrollwheel will we display it on all platforms anyway */
    01450   SettingEntry("gui.scrollwheel_scrolling"),
    01451   SettingEntry("gui.scrollwheel_multiplier"),
    01452   SettingEntry("gui.osk_activation"),
    01453 #ifdef __APPLE__
    01454   /* We might need to emulate a right mouse button on mac */
    01455   SettingEntry("gui.right_mouse_btn_emulation"),
    01456 #endif
    01457 };
    01459 static SettingsPage _settings_ui_interaction_page = {_settings_ui_interaction, lengthof(_settings_ui_interaction)};
    01460
    01461 static SettingEntry _settings_ui_sound[] = {
    01462   SettingEntry("sound.click_beep"),
    01463   SettingEntry("sound.confirm"),
    01464   SettingEntry("sound.news_ticker"),
    01465   SettingEntry("sound.news_full"),
    01466   SettingEntry("sound.new_year"),
    01467   SettingEntry("sound.disaster"),
    01468   SettingEntry("sound.vehicle"),
    01469   SettingEntry("sound.ambient"),
    01470 };
    01472 static SettingsPage _settings_ui_sound_page = {_settings_ui_sound, lengthof(_settings_ui_sound)};
    01473
    01474 static SettingEntry _settings_ui_news[] = {
    01475   SettingEntry("news_display.arrival_player"),
    01476   SettingEntry("news_display.arrival_other"),
    01477   SettingEntry("news_display.accident"),
    01478   SettingEntry("news_display.company_info"),
    01479   SettingEntry("news_display.open"),
    01480   SettingEntry("news_display.close"),
    01481   SettingEntry("news_display.economy"),
    01482   SettingEntry("news_display.production_player"),
    01483   SettingEntry("news_display.production_other"),
    01484   SettingEntry("news_display.production_nobody"),
    01485   SettingEntry("news_display.advice"),
    01486   SettingEntry("news_display.new_vehicles"),
    01487   SettingEntry("news_display.acceptance"),
    01488   SettingEntry("news_display.subsidies"),
    01489   SettingEntry("news_display.general"),
    01490   SettingEntry("gui.coloured_news_year"),
    01491 };
    01493 static SettingsPage _settings_ui_news_page = {_settings_ui_news, lengthof(_settings_ui_news)};
    01494
    01495 static SettingEntry _settings_ui[] = {
    01496   SettingEntry(&_settings_ui_display_page, STR_CONFIG_SETTING_DISPLAY_OPTIONS),
    01497   SettingEntry(&_settings_ui_interaction_page, STR_CONFIG_SETTING_INTERACTION),
    01498   SettingEntry(&_settings_ui_sound_page, STR_CONFIG_SETTING_SOUND),
    01499   SettingEntry(&_settings_ui_news_page, STR_CONFIG_SETTING_NEWS),
    01500   SettingEntry("gui.show_finances"),
    01501   SettingEntry("gui.errmsg_duration"),
    01502   SettingEntry("gui.hover_delay"),
    01503   SettingEntry("gui.toolbar_pos"),
    01504   SettingEntry("gui.statusbar_pos"),
    01505   SettingEntry("gui.newgrf_default_palette"),
    01506   SettingEntry("gui.pause_on_newgame"),
    01507   SettingEntry("gui.advanced_vehicle_list"),
    01508   SettingEntry("gui.timetable_in_ticks"),
    01509   SettingEntry("gui.timetable_arrival_departure"),
    01510   SettingEntry("gui.quick_goto"),
    01511   SettingEntry("gui.default_rail_type"),
    01512   SettingEntry("gui.disable_unsuitable_building"),
    01513   SettingEntry("gui.persistent_buildingtools"),
    01514 };
    01516 static SettingsPage _settings_ui_page = {_settings_ui, lengthof(_settings_ui)};
    01517
    01518 static SettingEntry _settings_construction_signals[] = {
    01519   SettingEntry("construction.train_signal_side"),
    01520   SettingEntry("gui.enable_signal_gui"),
    01521   SettingEntry("gui.drag_signals_fixed_distance"),
    01522   SettingEntry("gui.semaphore_build_before"),
    01523   SettingEntry("gui.default_signal_type"),
    01524   SettingEntry("gui.cycle_signal_types"),
    01525 };
    01527 static SettingsPage _settings_construction_signals_page = {_settings_construction_signals, lengthof(_settings_construction_signals)};
    01528
    01529 static SettingEntry _settings_construction[] = {
    01530   SettingEntry(&_settings_construction_signals_page, STR_CONFIG_SETTING_CONSTRUCTION_SIGNALS),
    01531   SettingEntry("construction.build_on_slopes"),
    01532   SettingEntry("construction.autoslope"),
    01533   SettingEntry("construction.extra_dynamite"),
    01534   SettingEntry("construction.max_bridge_length"),
    01535   SettingEntry("construction.max_tunnel_length"),
    01536   SettingEntry("station.never_expire_airports"),
    01537   SettingEntry("construction.freeform_edges"),
    01538   SettingEntry("construction.extra_tree_placement"),
    01539   SettingEntry("construction.command_pause_level"),
    01540 };
    01542 static SettingsPage _settings_construction_page = {_settings_construction, lengthof(_settings_construction)};
    01543
    01544 static SettingEntry _settings_stations_cargo[] = {
    01545   SettingEntry("order.improved_load"),
    01546   SettingEntry("order.gradual_loading"),
    01547   SettingEntry("order.selectgoods"),
    01548 };
    01550 static SettingsPage _settings_stations_cargo_page = {_settings_stations_cargo, lengthof(_settings_stations_cargo)};
    01551
    01552 static SettingEntry _settings_stations[] = {
    01553   SettingEntry(&_settings_stations_cargo_page, STR_CONFIG_SETTING_STATIONS_CARGOHANDLING),
    01554   SettingEntry("station.adjacent_stations"),
    01555   SettingEntry("station.distant_join_stations"),
    01556   SettingEntry("station.station_spread"),
    01557   SettingEntry("economy.station_noise_level"),
    01558   SettingEntry("station.modified_catchment"),
    01559   SettingEntry("construction.road_stop_on_town_road"),
    01560   SettingEntry("construction.road_stop_on_competitor_road"),
    01561 };
    01563 static SettingsPage _settings_stations_page = {_settings_stations, lengthof(_settings_stations)};
    01564
    01565 static SettingEntry _settings_economy_towns[] = {
    01566   SettingEntry("difficulty.town_council_tolerance"),
    01567   SettingEntry("economy.bribe"),
    01568   SettingEntry("economy.exclusive_rights"),
    01569   SettingEntry("economy.fund_roads"),
    01570   SettingEntry("economy.fund_buildings"),
    01571   SettingEntry("economy.town_layout"),
    01572   SettingEntry("economy.allow_town_roads"),
    01573   SettingEntry("economy.allow_town_level_crossings"),
    01574   SettingEntry("economy.found_town"),
    01575   SettingEntry("economy.mod_road_rebuild"),
    01576   SettingEntry("economy.town_growth_rate"),
    01577   SettingEntry("economy.larger_towns"),
    01578   SettingEntry("economy.initial_city_size"),
    01579 };
    01581 static SettingsPage _settings_economy_towns_page = {_settings_economy_towns, lengthof(_settings_economy_towns)};
    01582
    01583 static SettingEntry _settings_economy_industries[] = {
    01584   SettingEntry("construction.raw_industry_construction"),
    01585   SettingEntry("construction.industry_platform"),
    01586   SettingEntry("economy.multiple_industry_per_town"),
    01587   SettingEntry("game_creation.oil_refinery_limit"),
    01588 };
    01590 static SettingsPage _settings_economy_industries_page = {_settings_economy_industries, lengthof(_settings_economy_industries)};
    01591
    01592
    01593 static SettingEntry _settings_economy[] = {
    01594   SettingEntry(&_settings_economy_towns_page, STR_CONFIG_SETTING_ECONOMY_TOWNS),
    01595   SettingEntry(&_settings_economy_industries_page, STR_CONFIG_SETTING_ECONOMY_INDUSTRIES),
    01596   SettingEntry("economy.inflation"),
    01597   SettingEntry("difficulty.initial_interest"),
    01598   SettingEntry("difficulty.max_loan"),
    01599   SettingEntry("difficulty.subsidy_multiplier"),
    01600   SettingEntry("difficulty.economy"),
    01601   SettingEntry("economy.smooth_economy"),
    01602   SettingEntry("economy.feeder_payment_share"),
    01603   SettingEntry("economy.infrastructure_maintenance"),
    01604   SettingEntry("difficulty.vehicle_costs"),
    01605   SettingEntry("difficulty.construction_cost"),
    01606   SettingEntry("difficulty.disasters"),
    01607 };
    01609 static SettingsPage _settings_economy_page = {_settings_economy, lengthof(_settings_economy)};
    01610
    01611 static SettingEntry _settings_linkgraph[] = {
    01612   SettingEntry("linkgraph.recalc_interval"),
    01613   SettingEntry("linkgraph.distribution_pax"),
    01614   SettingEntry("linkgraph.distribution_mail"),
    01615   SettingEntry("linkgraph.distribution_armoured"),
    01616   SettingEntry("linkgraph.distribution_default"),
    01617   SettingEntry("linkgraph.accuracy"),
    01618   SettingEntry("linkgraph.demand_distance"),
    01619   SettingEntry("linkgraph.demand_size"),
    01620   SettingEntry("linkgraph.short_path_saturation"),
    01621 };
    01623 static SettingsPage _settings_linkgraph_page = {_settings_linkgraph, lengthof(_settings_linkgraph)};
    01624
    01625 static SettingEntry _settings_ai_npc[] = {
    01626   SettingEntry("script.settings_profile"),
    01627   SettingEntry("script.script_max_opcode_till_suspend"),
    01628   SettingEntry("difficulty.competitor_speed"),
    01629   SettingEntry("ai.ai_in_multiplayer"),
    01630   SettingEntry("ai.ai_disable_veh_train"),
    01631   SettingEntry("ai.ai_disable_veh_roadveh"),
    01632   SettingEntry("ai.ai_disable_veh_aircraft"),
    01633   SettingEntry("ai.ai_disable_veh_ship"),
    01634 };
    01636 static SettingsPage _settings_ai_npc_page = {_settings_ai_npc, lengthof(_settings_ai_npc)};
    01637
    01638 static SettingEntry _settings_ai[] = {
    01639   SettingEntry(&_settings_ai_npc_page, STR_CONFIG_SETTING_AI_NPC),
    01640   SettingEntry("economy.give_money"),
    01641   SettingEntry("economy.allow_shares"),
    01642 };
    01644 static SettingsPage _settings_ai_page = {_settings_ai, lengthof(_settings_ai)};
    01645
    01646 static SettingEntry _settings_vehicles_routing[] = {
    01647   SettingEntry("pf.pathfinder_for_trains"),
    01648   SettingEntry("pf.forbid_90_deg"),
    01649   SettingEntry("pf.pathfinder_for_roadvehs"),
    01650   SettingEntry("pf.roadveh_queue"),
    01651   SettingEntry("pf.pathfinder_for_ships"),
    01652 };
    01654 static SettingsPage _settings_vehicles_routing_page = {_settings_vehicles_routing, lengthof(_settings_vehicles_routing)};
    01655
    01656 static SettingEntry _settings_vehicles_autorenew[] = {
    01657   SettingEntry("company.engine_renew"),
    01658   SettingEntry("company.engine_renew_months"),
    01659   SettingEntry("company.engine_renew_money"),
    01660 };
    01662 static SettingsPage _settings_vehicles_autorenew_page = {_settings_vehicles_autorenew, lengthof(_settings_vehicles_autorenew)};
    01663
    01664 static SettingEntry _settings_vehicles_servicing[] = {
    01665   SettingEntry("vehicle.servint_ispercent"),
    01666   SettingEntry("vehicle.servint_trains"),
    01667   SettingEntry("vehicle.servint_roadveh"),
    01668   SettingEntry("vehicle.servint_ships"),
    01669   SettingEntry("vehicle.servint_aircraft"),
    01670   SettingEntry("difficulty.vehicle_breakdowns"),
    01671   SettingEntry("order.no_servicing_if_no_breakdowns"),
    01672   SettingEntry("order.serviceathelipad"),
    01673 };
    01675 static SettingsPage _settings_vehicles_servicing_page = {_settings_vehicles_servicing, lengthof(_settings_vehicles_servicing)};
    01676
    01677 static SettingEntry _settings_vehicles_trains[] = {
    01678   SettingEntry("difficulty.line_reverse_mode"),
    01679   SettingEntry("pf.reverse_at_signals"),
    01680   SettingEntry("vehicle.train_acceleration_model"),
    01681   SettingEntry("vehicle.train_slope_steepness"),
    01682   SettingEntry("vehicle.max_train_length"),
    01683   SettingEntry("vehicle.wagon_speed_limits"),
    01684   SettingEntry("vehicle.disable_elrails"),
    01685   SettingEntry("vehicle.freight_trains"),
    01686   SettingEntry("gui.stop_location"),
    01687 };
    01689 static SettingsPage _settings_vehicles_trains_page = {_settings_vehicles_trains, lengthof(_settings_vehicles_trains)};
    01690
    01691 static SettingEntry _settings_vehicles[] = {
    01692   SettingEntry(&_settings_vehicles_routing_page, STR_CONFIG_SETTING_VEHICLES_ROUTING),
    01693   SettingEntry(&_settings_vehicles_autorenew_page, STR_CONFIG_SETTING_VEHICLES_AUTORENEW),
    01694   SettingEntry(&_settings_vehicles_servicing_page, STR_CONFIG_SETTING_VEHICLES_SERVICING),
    01695   SettingEntry(&_settings_vehicles_trains_page, STR_CONFIG_SETTING_VEHICLES_TRAINS),
    01696   SettingEntry("gui.new_nonstop"),
    01697   SettingEntry("gui.order_review_system"),
    01698   SettingEntry("gui.vehicle_income_warn"),
    01699   SettingEntry("gui.lost_vehicle_warn"),
    01700   SettingEntry("vehicle.never_expire_vehicles"),
    01701   SettingEntry("vehicle.max_trains"),
    01702   SettingEntry("vehicle.max_roadveh"),
    01703   SettingEntry("vehicle.max_aircraft"),
    01704   SettingEntry("vehicle.max_ships"),
    01705   SettingEntry("vehicle.plane_speed"),
    01706   SettingEntry("vehicle.plane_crashes"),
    01707   SettingEntry("vehicle.dynamic_engines"),
    01708   SettingEntry("vehicle.roadveh_acceleration_model"),
    01709   SettingEntry("vehicle.roadveh_slope_steepness"),
    01710   SettingEntry("vehicle.smoke_amount"),
    01711 };
    01713 static SettingsPage _settings_vehicles_page = {_settings_vehicles, lengthof(_settings_vehicles)};
    01714
    01715 static SettingEntry _settings_main[] = {
    01716   SettingEntry(&_settings_ui_page,           STR_CONFIG_SETTING_GUI),
    01717   SettingEntry(&_settings_construction_page, STR_CONFIG_SETTING_CONSTRUCTION),
    01718   SettingEntry(&_settings_vehicles_page,     STR_CONFIG_SETTING_VEHICLES),
    01719   SettingEntry(&_settings_stations_page,     STR_CONFIG_SETTING_STATIONS),
    01720   SettingEntry(&_settings_economy_page,      STR_CONFIG_SETTING_ECONOMY),
    01721   SettingEntry(&_settings_linkgraph_page,    STR_CONFIG_SETTING_LINKGRAPH),
    01722   SettingEntry(&_settings_ai_page,           STR_CONFIG_SETTING_AI),
    01723 };
    01724
    01726 static SettingsPage _settings_main_page = {_settings_main, lengthof(_settings_main)};
    01727
    01728 static const StringID _game_settings_restrict_dropdown[] = {
    01729   STR_CONFIG_SETTING_RESTRICT_BASIC,                            // RM_BASIC
    01730   STR_CONFIG_SETTING_RESTRICT_ADVANCED,                         // RM_ADVANCED
    01731   STR_CONFIG_SETTING_RESTRICT_ALL,                              // RM_ALL
    01732   STR_CONFIG_SETTING_RESTRICT_CHANGED_AGAINST_DEFAULT,          // RM_CHANGED_AGAINST_DEFAULT
    01733   STR_CONFIG_SETTING_RESTRICT_CHANGED_AGAINST_NEW,              // RM_CHANGED_AGAINST_NEW
    01734 };
    01735 assert_compile(lengthof(_game_settings_restrict_dropdown) == RM_END);
    01736
    01737 struct GameSettingsWindow : Window {
    01738   static const int SETTINGTREE_LEFT_OFFSET   = 5;
    01739   static const int SETTINGTREE_RIGHT_OFFSET  = 5;
    01740   static const int SETTINGTREE_TOP_OFFSET    = 5;
    01741   static const int SETTINGTREE_BOTTOM_OFFSET = 5;
    01742
    01743   static GameSettings *settings_ptr;
    01744
    01745   SettingEntry *valuewindow_entry;
    01746   SettingEntry *clicked_entry;
    01747   SettingEntry *last_clicked;
    01748   SettingEntry *valuedropdown_entry;
    01749   bool closing_dropdown;
    01750
    01751   SettingFilter filter;
    01752   QueryString filter_editbox;
    01753   bool manually_changed_folding;
    01754
    01755   Scrollbar *vscroll;
    01756
    01757   GameSettingsWindow(const WindowDesc *desc) : filter_editbox(50)
    01758   {
    01759     static bool first_time = true;
    01760
    01761     filter.mode = (RestrictionMode)_settings_client.gui.settings_restriction_mode;
    01762     filter.type = ST_ALL;
    01763     settings_ptr = &GetGameSettings();
    01764
    01765     /* Build up the dynamic settings-array only once per OpenTTD session */
    01766     if (first_time) {
    01767       _settings_main_page.Init();
    01768       first_time = false;
    01769     } else {
    01770       _settings_main_page.FoldAll(); // Close all sub-pages
    01771     }
    01772
    01773     this->valuewindow_entry = NULL; // No setting entry for which a entry window is opened
    01774     this->clicked_entry = NULL; // No numeric setting buttons are depressed
    01775     this->last_clicked = NULL;
    01776     this->valuedropdown_entry = NULL;
    01777     this->closing_dropdown = false;
    01778     this->manually_changed_folding = false;
    01779
    01780     this->CreateNestedTree(desc);
    01781     this->vscroll = this->GetScrollbar(WID_GS_SCROLLBAR);
    01782     this->FinishInitNested(desc, WN_GAME_OPTIONS_GAME_SETTINGS);
    01783
    01784     this->querystrings[WID_GS_FILTER] = &this->filter_editbox;
    01785     this->filter_editbox.cancel_button = QueryString::ACTION_CLEAR;
    01786     this->SetFocusedWidget(WID_GS_FILTER);
    01787
    01788     this->InvalidateData();
    01789   }
    01790
    01791   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01792   {
    01793     switch (widget) {
    01794       case WID_GS_OPTIONSPANEL:
    01795         resize->height = SETTING_HEIGHT = max(11, FONT_HEIGHT_NORMAL + 1);
    01796         resize->width  = 1;
    01797
    01798         size->height = 5 * resize->height + SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET;
    01799         break;
    01800
    01801       case WID_GS_HELP_TEXT: {
    01802         static const StringID setting_types[] = {
    01803           STR_CONFIG_SETTING_TYPE_CLIENT,
    01804           STR_CONFIG_SETTING_TYPE_COMPANY_MENU, STR_CONFIG_SETTING_TYPE_COMPANY_INGAME,
    01805           STR_CONFIG_SETTING_TYPE_GAME_MENU, STR_CONFIG_SETTING_TYPE_GAME_INGAME,
    01806         };
    01807         for (uint i = 0; i < lengthof(setting_types); i++) {
    01808           SetDParam(0, setting_types[i]);
    01809           size->width = max(size->width, GetStringBoundingBox(STR_CONFIG_SETTING_TYPE).width);
    01810         }
    01811         size->height = 2 * FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL +
    01812             max(size->height, _settings_main_page.GetMaxHelpHeight(size->width));
    01813         break;
    01814       }
    01815
    01816       default:
    01817         break;
    01818     }
    01819   }
    01820
    01821   virtual void OnPaint()
    01822   {
    01823     if (this->closing_dropdown) {
    01824       this->closing_dropdown = false;
    01825       assert(this->valuedropdown_entry != NULL);
    01826       this->valuedropdown_entry->SetButtons(0);
    01827       this->valuedropdown_entry = NULL;
    01828     }
    01829     this->DrawWidgets();
    01830   }
    01831
    01832   virtual void SetStringParameters(int widget) const
    01833   {
    01834     switch (widget) {
    01835       case WID_GS_RESTRICT_DROPDOWN:
    01836         SetDParam(0, _game_settings_restrict_dropdown[this->filter.mode]);
    01837         break;
    01838
    01839       case WID_GS_TYPE_DROPDOWN:
    01840         switch (this->filter.type) {
    01841           case ST_GAME:    SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_GAME_INGAME); break;
    01842           case ST_COMPANY: SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_DROPDOWN_COMPANY_INGAME); break;
    01843           case ST_CLIENT:  SetDParam(0, STR_CONFIG_SETTING_TYPE_DROPDOWN_CLIENT); break;
    01844           default:         SetDParam(0, STR_CONFIG_SETTING_TYPE_DROPDOWN_ALL); break;
    01845         }
    01846         break;
    01847     }
    01848   }
    01849
    01850   DropDownList *BuildDropDownList(int widget) const
    01851   {
    01852     DropDownList *list = NULL;
    01853     switch (widget) {
    01854       case WID_GS_RESTRICT_DROPDOWN:
    01855         list = new DropDownList();
    01856
    01857         for (int mode = 0; mode != RM_END; mode++) {
    01858           /* If we are in adv. settings screen for the new game's settings,
    01859            * we don't want to allow comparing with new game's settings. */
    01860           bool disabled = mode == RM_CHANGED_AGAINST_NEW && settings_ptr == &_settings_newgame;
    01861
    01862           list->push_back(new DropDownListStringItem(_game_settings_restrict_dropdown[mode], mode, disabled));
    01863         }
    01864         break;
    01865
    01866       case WID_GS_TYPE_DROPDOWN:
    01867         list = new DropDownList();
    01868         list->push_back(new DropDownListStringItem(STR_CONFIG_SETTING_TYPE_DROPDOWN_ALL, ST_ALL, false));
    01869         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));
    01870         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));
    01871         list->push_back(new DropDownListStringItem(STR_CONFIG_SETTING_TYPE_DROPDOWN_CLIENT, ST_CLIENT, false));
    01872         break;
    01873     }
    01874     return list;
    01875   }
    01876
    01877   virtual void DrawWidget(const Rect &r, int widget) const
    01878   {
    01879     switch (widget) {
    01880       case WID_GS_OPTIONSPANEL:
    01881         _settings_main_page.Draw(settings_ptr, r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, r.top + SETTINGTREE_TOP_OFFSET,
    01882             this->vscroll->GetPosition(), this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->last_clicked);
    01883         break;
    01884
    01885       case WID_GS_HELP_TEXT:
    01886         if (this->last_clicked != NULL) {
    01887           const SettingDesc *sd = this->last_clicked->d.entry.setting;
    01888
    01889           int y = r.top;
    01890           switch (sd->GetType()) {
    01891             case ST_COMPANY: SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_COMPANY_MENU : STR_CONFIG_SETTING_TYPE_COMPANY_INGAME); break;
    01892             case ST_CLIENT:  SetDParam(0, STR_CONFIG_SETTING_TYPE_CLIENT); break;
    01893             case ST_GAME:    SetDParam(0, _game_mode == GM_MENU ? STR_CONFIG_SETTING_TYPE_GAME_MENU : STR_CONFIG_SETTING_TYPE_GAME_INGAME); break;
    01894             default: NOT_REACHED();
    01895           }
    01896           DrawString(r.left, r.right, y, STR_CONFIG_SETTING_TYPE);
    01897           y += FONT_HEIGHT_NORMAL;
    01898
    01899           int32 default_value = ReadValue(&sd->desc.def, sd->save.conv);
    01900           this->last_clicked->SetValueDParams(0, default_value);
    01901           DrawString(r.left, r.right, y, STR_CONFIG_SETTING_DEFAULT_VALUE);
    01902           y += FONT_HEIGHT_NORMAL + WD_PAR_VSEP_NORMAL;
    01903
    01904           DrawStringMultiLine(r.left, r.right, y, r.bottom, this->last_clicked->GetHelpText(), TC_WHITE);
    01905         }
    01906         break;
    01907
    01908       default:
    01909         break;
    01910     }
    01911   }
    01912
    01917   void SetDisplayedHelpText(SettingEntry *pe)
    01918   {
    01919     if (this->last_clicked != pe) this->SetDirty();
    01920     this->last_clicked = pe;
    01921   }
    01922
    01923   virtual void OnClick(Point pt, int widget, int click_count)
    01924   {
    01925     switch (widget) {
    01926       case WID_GS_EXPAND_ALL:
    01927         this->manually_changed_folding = true;
    01928         _settings_main_page.UnFoldAll();
    01929         this->InvalidateData();
    01930         break;
    01931
    01932       case WID_GS_COLLAPSE_ALL:
    01933         this->manually_changed_folding = true;
    01934         _settings_main_page.FoldAll();
    01935         this->InvalidateData();
    01936         break;
    01937
    01938       case WID_GS_RESTRICT_DROPDOWN: {
    01939         DropDownList *list = this->BuildDropDownList(widget);
    01940         if (list != NULL) {
    01941           ShowDropDownList(this, list, this->filter.mode, widget);
    01942         }
    01943         break;
    01944       }
    01945
    01946       case WID_GS_TYPE_DROPDOWN: {
    01947         DropDownList *list = this->BuildDropDownList(widget);
    01948         if (list != NULL) {
    01949           ShowDropDownList(this, list, this->filter.type, widget);
    01950         }
    01951         break;
    01952       }
    01953     }
    01954
    01955     if (widget != WID_GS_OPTIONSPANEL) return;
    01956
    01957     uint btn = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET);
    01958     if (btn == INT_MAX) return;
    01959
    01960     uint cur_row = 0;
    01961     SettingEntry *pe = _settings_main_page.FindEntry(btn, &cur_row);
    01962
    01963     if (pe == NULL) return;  // Clicked below the last setting of the page
    01964
    01965     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
    01966     if (x < 0) return;  // Clicked left of the entry
    01967
    01968     if ((pe->flags & SEF_KIND_MASK) == SEF_SUBTREE_KIND) {
    01969       this->SetDisplayedHelpText(NULL);
    01970       pe->d.sub.folded = !pe->d.sub.folded; // Flip 'folded'-ness of the sub-page
    01971
    01972       this->manually_changed_folding = true;
    01973
    01974       this->InvalidateData();
    01975       return;
    01976     }
    01977
    01978     assert((pe->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01979     const SettingDesc *sd = pe->d.entry.setting;
    01980
    01981     /* return if action is only active in network, or only settable by server */
    01982     if (!sd->IsEditable()) {
    01983       this->SetDisplayedHelpText(pe);
    01984       return;
    01985     }
    01986
    01987     const void *var = ResolveVariableAddress(settings_ptr, sd);
    01988     int32 value = (int32)ReadValue(var, sd->save.conv);
    01989
    01990     /* clicked on the icon on the left side. Either scroller, bool on/off or dropdown */
    01991     if (x < SETTING_BUTTON_WIDTH && (sd->desc.flags & SGF_MULTISTRING)) {
    01992       const SettingDescBase *sdb = &sd->desc;
    01993       this->SetDisplayedHelpText(pe);
    01994
    01995       if (this->valuedropdown_entry == pe) {
    01996         /* unclick the dropdown */
    01997         HideDropDownMenu(this);
    01998         this->closing_dropdown = false;
    01999         this->valuedropdown_entry->SetButtons(0);
    02000         this->valuedropdown_entry = NULL;
    02001       } else {
    02002         if (this->valuedropdown_entry != NULL) this->valuedropdown_entry->SetButtons(0);
    02003         this->closing_dropdown = false;
    02004
    02005         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_GS_OPTIONSPANEL);
    02006         int rel_y = (pt.y - (int)wid->pos_y - SETTINGTREE_TOP_OFFSET) % wid->resize_y;
    02007
    02008         Rect wi_rect;
    02009         wi_rect.left = pt.x - (_current_text_dir == TD_RTL ? SETTING_BUTTON_WIDTH - 1 - x : x);
    02010         wi_rect.right = wi_rect.left + SETTING_BUTTON_WIDTH - 1;
    02011         wi_rect.top = pt.y - rel_y + (SETTING_HEIGHT - SETTING_BUTTON_HEIGHT) / 2;
    02012         wi_rect.bottom = wi_rect.top + SETTING_BUTTON_HEIGHT - 1;
    02013
    02014         /* For dropdowns we also have to check the y position thoroughly, the mouse may not above the just opening dropdown */
    02015         if (pt.y >= wi_rect.top && pt.y <= wi_rect.bottom) {
    02016           this->valuedropdown_entry = pe;
    02017           this->valuedropdown_entry->SetButtons(SEF_LEFT_DEPRESSED);
    02018
    02019           DropDownList *list = new DropDownList();
    02020           for (int i = sdb->min; i <= (int)sdb->max; i++) {
    02021             list->push_back(new DropDownListStringItem(sdb->str_val + i - sdb->min, i, false));
    02022           }
    02023
    02024           ShowDropDownListAt(this, list, value, -1, wi_rect, COLOUR_ORANGE, true);
    02025         }
    02026       }
    02027       this->SetDirty();
    02028     } else if (x < SETTING_BUTTON_WIDTH) {
    02029       this->SetDisplayedHelpText(pe);
    02030       const SettingDescBase *sdb = &sd->desc;
    02031       int32 oldvalue = value;
    02032
    02033       switch (sdb->cmd) {
    02034         case SDT_BOOLX: value ^= 1; break;
    02035         case SDT_ONEOFMANY:
    02036         case SDT_NUMX: {
    02037           /* Add a dynamic step-size to the scroller. In a maximum of
    02038            * 50-steps you should be able to get from min to max,
    02039            * unless specified otherwise in the 'interval' variable
    02040            * of the current setting. */
    02041           uint32 step = (sdb->interval == 0) ? ((sdb->max - sdb->min) / 50) : sdb->interval;
    02042           if (step == 0) step = 1;
    02043
    02044           /* don't allow too fast scrolling */
    02045           if ((this->flags & WF_TIMEOUT) && this->timeout_timer > 1) {
    02046             _left_button_clicked = false;
    02047             return;
    02048           }
    02049
    02050           /* Increase or decrease the value and clamp it to extremes */
    02051           if (x >= SETTING_BUTTON_WIDTH / 2) {
    02052             value += step;
    02053             if (sdb->min < 0) {
    02054               assert((int32)sdb->max >= 0);
    02055               if (value > (int32)sdb->max) value = (int32)sdb->max;
    02056             } else {
    02057               if ((uint32)value > sdb->max) value = (int32)sdb->max;
    02058             }
    02059             if (value < sdb->min) value = sdb->min; // skip between "disabled" and minimum
    02060           } else {
    02061             value -= step;
    02062             if (value < sdb->min) value = (sdb->flags & SGF_0ISDISABLED) ? 0 : sdb->min;
    02063           }
    02064
    02065           /* Set up scroller timeout for numeric values */
    02066           if (value != oldvalue) {
    02067             if (this->clicked_entry != NULL) { // Release previous buttons if any
    02068               this->clicked_entry->SetButtons(0);
    02069             }
    02070             this->clicked_entry = pe;
    02071             this->clicked_entry->SetButtons((x >= SETTING_BUTTON_WIDTH / 2) != (_current_text_dir == TD_RTL) ? SEF_RIGHT_DEPRESSED : SEF_LEFT_DEPRESSED);
    02072             this->SetTimeout();
    02073             _left_button_clicked = false;
    02074           }
    02075           break;
    02076         }
    02077
    02078         default: NOT_REACHED();
    02079       }
    02080
    02081       if (value != oldvalue) {
    02082         if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02083           SetCompanySetting(pe->d.entry.index, value);
    02084         } else {
    02085           SetSettingValue(pe->d.entry.index, value);
    02086         }
    02087         this->SetDirty();
    02088       }
    02089     } else {
    02090       /* Only open editbox if clicked for the second time, and only for types where it is sensible for. */
    02091       if (this->last_clicked == pe && sd->desc.cmd != SDT_BOOLX && !(sd->desc.flags & SGF_MULTISTRING)) {
    02092         /* Show the correct currency-translated value */
    02093         if (sd->desc.flags & SGF_CURRENCY) value *= _currency->rate;
    02094
    02095         this->valuewindow_entry = pe;
    02096         SetDParam(0, value);
    02097         ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
    02098       }
    02099       this->SetDisplayedHelpText(pe);
    02100     }
    02101   }
    02102
    02103   virtual void OnTimeout()
    02104   {
    02105     if (this->clicked_entry != NULL) { // On timeout, release any depressed buttons
    02106       this->clicked_entry->SetButtons(0);
    02107       this->clicked_entry = NULL;
    02108       this->SetDirty();
    02109     }
    02110   }
    02111
    02112   virtual void OnQueryTextFinished(char *str)
    02113   {
    02114     /* The user pressed cancel */
    02115     if (str == NULL) return;
    02116
    02117     assert(this->valuewindow_entry != NULL);
    02118     assert((this->valuewindow_entry->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    02119     const SettingDesc *sd = this->valuewindow_entry->d.entry.setting;
    02120
    02121     int32 value;
    02122     if (!StrEmpty(str)) {
    02123       value = atoi(str);
    02124
    02125       /* Save the correct currency-translated value */
    02126       if (sd->desc.flags & SGF_CURRENCY) value /= _currency->rate;
    02127     } else {
    02128       value = (int32)(size_t)sd->desc.def;
    02129     }
    02130
    02131     if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02132       SetCompanySetting(this->valuewindow_entry->d.entry.index, value);
    02133     } else {
    02134       SetSettingValue(this->valuewindow_entry->d.entry.index, value);
    02135     }
    02136     this->SetDirty();
    02137   }
    02138
    02139   virtual void OnDropdownSelect(int widget, int index)
    02140   {
    02141     switch (widget) {
    02142       case WID_GS_RESTRICT_DROPDOWN:
    02143         this->filter.mode = (RestrictionMode)index;
    02144         if (this->filter.mode == RM_CHANGED_AGAINST_DEFAULT ||
    02145             this->filter.mode == RM_CHANGED_AGAINST_NEW) {
    02146
    02147           if (!this->manually_changed_folding) {
    02148             /* Expand all when selecting 'changes'. Update the filter state first, in case it becomes less restrictive in some cases. */
    02149             _settings_main_page.UpdateFilterState(this->filter, false);
    02150             _settings_main_page.UnFoldAll();
    02151           }
    02152         } else {
    02153           /* Non-'changes' filter. Save as default. */
    02154           _settings_client.gui.settings_restriction_mode = this->filter.mode;
    02155         }
    02156         this->InvalidateData();
    02157         break;
    02158
    02159       case WID_GS_TYPE_DROPDOWN:
    02160         this->filter.type = (SettingType)index;
    02161         this->InvalidateData();
    02162         break;
    02163
    02164       default:
    02165         if (widget < 0) {
    02166           /* Deal with drop down boxes on the panel. */
    02167           assert(this->valuedropdown_entry != NULL);
    02168           const SettingDesc *sd = this->valuedropdown_entry->d.entry.setting;
    02169           assert(sd->desc.flags & SGF_MULTISTRING);
    02170
    02171           if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    02172             SetCompanySetting(this->valuedropdown_entry->d.entry.index, index);
    02173           } else {
    02174             SetSettingValue(this->valuedropdown_entry->d.entry.index, index);
    02175           }
    02176
    02177           this->SetDirty();
    02178         }
    02179         break;
    02180     }
    02181   }
    02182
    02183   virtual void OnDropdownClose(Point pt, int widget, int index, bool instant_close)
    02184   {
    02185     if (widget >= 0) {
    02186       /* Normally the default implementation of OnDropdownClose() takes care of
    02187        * a few things. We want that behaviour here too, but only for
    02188        * "normal" dropdown boxes. The special dropdown boxes added for every
    02189        * setting that needs one can't have this call. */
    02190       Window::OnDropdownClose(pt, widget, index, instant_close);
    02191     } else {
    02192       /* We cannot raise the dropdown button just yet. OnClick needs some hint, whether
    02193        * the same dropdown button was clicked again, and then not open the dropdown again.
    02194        * So, we only remember that it was closed, and process it on the next OnPaint, which is
    02195        * after OnClick. */
    02196       assert(this->valuedropdown_entry != NULL);
    02197       this->closing_dropdown = true;
    02198       this->SetDirty();
    02199     }
    02200   }
    02201
    02202   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    02203   {
    02204     if (!gui_scope) return;
    02205
    02206     _settings_main_page.UpdateFilterState(this->filter, false);
    02207
    02208     this->vscroll->SetCount(_settings_main_page.Length());
    02209
    02210     if (this->last_clicked != NULL && !_settings_main_page.IsVisible(this->last_clicked)) {
    02211       this->SetDisplayedHelpText(NULL);
    02212     }
    02213
    02214     bool all_folded = true;
    02215     bool all_unfolded = true;
    02216     _settings_main_page.GetFoldingState(all_folded, all_unfolded);
    02217     this->SetWidgetDisabledState(WID_GS_EXPAND_ALL, all_unfolded);
    02218     this->SetWidgetDisabledState(WID_GS_COLLAPSE_ALL, all_folded);
    02219   }
    02220
    02221   virtual void OnEditboxChanged(int wid)
    02222   {
    02223     if (wid == WID_GS_FILTER) {
    02224       this->filter.string.SetFilterTerm(this->filter_editbox.text.buf);
    02225       if (!this->filter.string.IsEmpty() && !this->manually_changed_folding) {
    02226         /* User never expanded/collapsed single pages and entered a filter term.
    02227          * Expand everything, to save weird expand clicks, */
    02228         _settings_main_page.UnFoldAll();
    02229       }
    02230       this->InvalidateData();
    02231     }
    02232   }
    02233
    02234   virtual void OnResize()
    02235   {
    02236     this->vscroll->SetCapacityFromWidget(this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET);
    02237   }
    02238 };
    02239
    02240 GameSettings *GameSettingsWindow::settings_ptr = NULL;
    02241
    02242 static const NWidgetPart _nested_settings_selection_widgets[] = {
    02243   NWidget(NWID_HORIZONTAL),
    02244     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
    02245     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_CONFIG_SETTING_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    02246   EndContainer(),
    02247   NWidget(WWT_PANEL, COLOUR_MAUVE),
    02248     NWidget(NWID_HORIZONTAL), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0),
    02249         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
    02250       NWidget(WWT_TEXT, COLOUR_MAUVE, WID_GS_RESTRICT_LABEL), SetDataTip(STR_CONFIG_SETTING_RESTRICT_LABEL, STR_NULL),
    02251       NWidget(NWID_VERTICAL), SetPIP(0, WD_PAR_VSEP_NORMAL, 0),
    02252         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),
    02253         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),
    02254       EndContainer(),
    02255     EndContainer(),
    02256     NWidget(NWID_HORIZONTAL), SetPadding(0, 0, WD_TEXTPANEL_BOTTOM, 0),
    02257         SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
    02258       NWidget(WWT_TEXT, COLOUR_MAUVE), SetFill(0, 1), SetDataTip(STR_CONFIG_SETTING_FILTER_TITLE, STR_NULL),
    02259       NWidget(WWT_EDITBOX, COLOUR_MAUVE, WID_GS_FILTER), SetFill(1, 0), SetMinimalSize(50, 12), SetResize(1, 0),
    02260           SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
    02261     EndContainer(),
    02262   EndContainer(),
    02263   NWidget(NWID_HORIZONTAL),
    02264     NWidget(WWT_PANEL, COLOUR_MAUVE, WID_GS_OPTIONSPANEL), SetMinimalSize(400, 174), SetScrollbar(WID_GS_SCROLLBAR), EndContainer(),
    02265     NWidget(NWID_VERTICAL),
    02266       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_GS_SCROLLBAR),
    02267     EndContainer(),
    02268   EndContainer(),
    02269   NWidget(WWT_PANEL, COLOUR_MAUVE), SetMinimalSize(400, 40),
    02270     NWidget(WWT_EMPTY, INVALID_COLOUR, WID_GS_HELP_TEXT), SetMinimalSize(300, 25), SetFill(1, 1), SetResize(1, 0),
    02271         SetPadding(WD_FRAMETEXT_TOP, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_BOTTOM, WD_FRAMETEXT_LEFT),
    02272     NWidget(NWID_HORIZONTAL),
    02273       NWidget(WWT_PANEL, COLOUR_MAUVE),
    02274         NWidget(NWID_HORIZONTAL),
    02275           NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_GS_EXPAND_ALL), SetDataTip(STR_CONFIG_SETTING_EXPAND_ALL, STR_NULL),
    02276           NWidget(WWT_PUSHTXTBTN, COLOUR_MAUVE, WID_GS_COLLAPSE_ALL), SetDataTip(STR_CONFIG_SETTING_COLLAPSE_ALL, STR_NULL),
    02277           NWidget(NWID_SPACER, INVALID_COLOUR), SetFill(1, 1), SetResize(1, 0),
    02278         EndContainer(),
    02279       EndContainer(),
    02280       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
    02281     EndContainer(),
    02282   EndContainer(),
    02283 };
    02284
    02285 static const WindowDesc _settings_selection_desc(
    02286   WDP_CENTER, 510, 450,
    02287   WC_GAME_OPTIONS, WC_NONE,
    02288   0,
    02289   _nested_settings_selection_widgets, lengthof(_nested_settings_selection_widgets)
    02290 );
    02291
    02293 void ShowGameSettings()
    02294 {
    02295   DeleteWindowByClass(WC_GAME_OPTIONS);
    02296   new GameSettingsWindow(&_settings_selection_desc);
    02297 }
    02298
    02299
    02309 void DrawArrowButtons(int x, int y, Colours button_colour, byte state, bool clickable_left, bool clickable_right)
    02310 {
    02311   int colour = _colour_gradient[button_colour][2];
    02312
    02313   DrawFrameRect(x,                            y, x + SETTING_BUTTON_WIDTH / 2 - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, (state == 1) ? FR_LOWERED : FR_NONE);
    02314   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);
    02315   DrawSprite(SPR_ARROW_LEFT, PAL_NONE, x + WD_IMGBTN_LEFT, y + WD_IMGBTN_TOP);
    02316   DrawSprite(SPR_ARROW_RIGHT, PAL_NONE, x + WD_IMGBTN_LEFT + SETTING_BUTTON_WIDTH / 2, y + WD_IMGBTN_TOP);
    02317
    02318   /* Grey out the buttons that aren't clickable */
    02319   bool rtl = _current_text_dir == TD_RTL;
    02320   if (rtl ? !clickable_right : !clickable_left) {
    02321     GfxFillRect(x                            + 1, y, x + SETTING_BUTTON_WIDTH / 2 - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02322   }
    02323   if (rtl ? !clickable_left : !clickable_right) {
    02324     GfxFillRect(x + SETTING_BUTTON_WIDTH / 2 + 1, y, x + SETTING_BUTTON_WIDTH     - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02325   }
    02326 }
    02327
    02336 void DrawDropDownButton(int x, int y, Colours button_colour, bool state, bool clickable)
    02337 {
    02338   static const char *DOWNARROW = "\xEE\x8A\xAA";
    02339
    02340   int colour = _colour_gradient[button_colour][2];
    02341
    02342   DrawFrameRect(x, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 1, button_colour, state ? FR_LOWERED : FR_NONE);
    02343   DrawString(x + (state ? 1 : 0), x + SETTING_BUTTON_WIDTH - (state ? 0 : 1), y + (state ? 2 : 1), DOWNARROW, TC_BLACK, SA_HOR_CENTER);
    02344
    02345   if (!clickable) {
    02346     GfxFillRect(x +  1, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 2, colour, FILLRECT_CHECKER);
    02347   }
    02348 }
    02349
    02357 void DrawBoolButton(int x, int y, bool state, bool clickable)
    02358 {
    02359   static const Colours _bool_ctabs[2][2] = {{COLOUR_CREAM, COLOUR_RED}, {COLOUR_DARK_GREEN, COLOUR_GREEN}};
    02360   DrawFrameRect(x, y, x + SETTING_BUTTON_WIDTH - 1, y + SETTING_BUTTON_HEIGHT - 1, _bool_ctabs[state][clickable], state ? FR_LOWERED : FR_NONE);
    02361 }
    02362
    02363 struct CustomCurrencyWindow : Window {
    02364   int query_widget;
    02365
    02366   CustomCurrencyWindow(const WindowDesc *desc) : Window()
    02367   {
    02368     this->InitNested(desc);
    02369
    02370     SetButtonState();
    02371   }
    02372
    02373   void SetButtonState()
    02374   {
    02375     this->SetWidgetDisabledState(WID_CC_RATE_DOWN, _custom_currency.rate == 1);
    02376     this->SetWidgetDisabledState(WID_CC_RATE_UP, _custom_currency.rate == UINT16_MAX);
    02377     this->SetWidgetDisabledState(WID_CC_YEAR_DOWN, _custom_currency.to_euro == CF_NOEURO);
    02378     this->SetWidgetDisabledState(WID_CC_YEAR_UP, _custom_currency.to_euro == MAX_YEAR);
    02379   }
    02380
    02381   virtual void SetStringParameters(int widget) const
    02382   {
    02383     switch (widget) {
    02384       case WID_CC_RATE:      SetDParam(0, 1); SetDParam(1, 1);            break;
    02385       case WID_CC_SEPARATOR: SetDParamStr(0, _custom_currency.separator); break;
    02386       case WID_CC_PREFIX:    SetDParamStr(0, _custom_currency.prefix);    break;
    02387       case WID_CC_SUFFIX:    SetDParamStr(0, _custom_currency.suffix);    break;
    02388       case WID_CC_YEAR:
    02389         SetDParam(0, (_custom_currency.to_euro != CF_NOEURO) ? STR_CURRENCY_SWITCH_TO_EURO : STR_CURRENCY_SWITCH_TO_EURO_NEVER);
    02390         SetDParam(1, _custom_currency.to_euro);
    02391         break;
    02392
    02393       case WID_CC_PREVIEW:
    02394         SetDParam(0, 10000);
    02395         break;
    02396     }
    02397   }
    02398
    02399   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    02400   {
    02401     switch (widget) {
    02402       /* Set the appropriate width for the edit 'buttons' */
    02403       case WID_CC_SEPARATOR_EDIT:
    02404       case WID_CC_PREFIX_EDIT:
    02405       case WID_CC_SUFFIX_EDIT:
    02406         size->width  = this->GetWidget<NWidgetBase>(WID_CC_RATE_DOWN)->smallest_x + this->GetWidget<NWidgetBase>(WID_CC_RATE_UP)->smallest_x;
    02407         break;
    02408
    02409       /* Make sure the window is wide enough for the widest exchange rate */
    02410       case WID_CC_RATE:
    02411         SetDParam(0, 1);
    02412         SetDParam(1, INT32_MAX);
    02413         *size = GetStringBoundingBox(STR_CURRENCY_EXCHANGE_RATE);
    02414         break;
    02415     }
    02416   }
    02417
    02418   virtual void OnClick(Point pt, int widget, int click_count)
    02419   {
    02420     int line = 0;
    02421     int len = 0;
    02422     StringID str = 0;
    02423     CharSetFilter afilter = CS_ALPHANUMERAL;
    02424
    02425     switch (widget) {
    02426       case WID_CC_RATE_DOWN:
    02427         if (_custom_currency.rate > 1) _custom_currency.rate--;
    02428         if (_custom_currency.rate == 1) this->DisableWidget(WID_CC_RATE_DOWN);
    02429         this->EnableWidget(WID_CC_RATE_UP);
    02430         break;
    02431
    02432       case WID_CC_RATE_UP:
    02433         if (_custom_currency.rate < UINT16_MAX) _custom_currency.rate++;
    02434         if (_custom_currency.rate == UINT16_MAX) this->DisableWidget(WID_CC_RATE_UP);
    02435         this->EnableWidget(WID_CC_RATE_DOWN);
    02436         break;
    02437
    02438       case WID_CC_RATE:
    02439         SetDParam(0, _custom_currency.rate);
    02440         str = STR_JUST_INT;
    02441         len = 5;
    02442         line = WID_CC_RATE;
    02443         afilter = CS_NUMERAL;
    02444         break;
    02445
    02446       case WID_CC_SEPARATOR_EDIT:
    02447       case WID_CC_SEPARATOR:
    02448         SetDParamStr(0, _custom_currency.separator);
    02449         str = STR_JUST_RAW_STRING;
    02450         len = 1;
    02451         line = WID_CC_SEPARATOR;
    02452         break;
    02453
    02454       case WID_CC_PREFIX_EDIT:
    02455       case WID_CC_PREFIX:
    02456         SetDParamStr(0, _custom_currency.prefix);
    02457         str = STR_JUST_RAW_STRING;
    02458         len = 12;
    02459         line = WID_CC_PREFIX;
    02460         break;
    02461
    02462       case WID_CC_SUFFIX_EDIT:
    02463       case WID_CC_SUFFIX:
    02464         SetDParamStr(0, _custom_currency.suffix);
    02465         str = STR_JUST_RAW_STRING;
    02466         len = 12;
    02467         line = WID_CC_SUFFIX;
    02468         break;
    02469
    02470       case WID_CC_YEAR_DOWN:
    02471         _custom_currency.to_euro = (_custom_currency.to_euro <= 2000) ? CF_NOEURO : _custom_currency.to_euro - 1;
    02472         if (_custom_currency.to_euro == CF_NOEURO) this->DisableWidget(WID_CC_YEAR_DOWN);
    02473         this->EnableWidget(WID_CC_YEAR_UP);
    02474         break;
    02475
    02476       case WID_CC_YEAR_UP:
    02477         _custom_currency.to_euro = Clamp(_custom_currency.to_euro + 1, 2000, MAX_YEAR);
    02478         if (_custom_currency.to_euro == MAX_YEAR) this->DisableWidget(WID_CC_YEAR_UP);
    02479         this->EnableWidget(WID_CC_YEAR_DOWN);
    02480         break;
    02481
    02482       case WID_CC_YEAR:
    02483         SetDParam(0, _custom_currency.to_euro);
    02484         str = STR_JUST_INT;
    02485         len = 7;
    02486         line = WID_CC_YEAR;
    02487         afilter = CS_NUMERAL;
    02488         break;
    02489     }
    02490
    02491     if (len != 0) {
    02492       this->query_widget = line;
    02493       ShowQueryString(str, STR_CURRENCY_CHANGE_PARAMETER, len + 1, this, afilter, QSF_NONE);
    02494     }
    02495
    02496     this->SetTimeout();
    02497     this->SetDirty();
    02498   }
    02499
    02500   virtual void OnQueryTextFinished(char *str)
    02501   {
    02502     if (str == NULL) return;
    02503
    02504     switch (this->query_widget) {
    02505       case WID_CC_RATE:
    02506         _custom_currency.rate = Clamp(atoi(str), 1, UINT16_MAX);
    02507         break;
    02508
    02509       case WID_CC_SEPARATOR: // Thousands seperator
    02510         strecpy(_custom_currency.separator, str, lastof(_custom_currency.separator));
    02511         break;
    02512
    02513       case WID_CC_PREFIX:
    02514         strecpy(_custom_currency.prefix, str, lastof(_custom_currency.prefix));
    02515         break;
    02516
    02517       case WID_CC_SUFFIX:
    02518         strecpy(_custom_currency.suffix, str, lastof(_custom_currency.suffix));
    02519         break;
    02520
    02521       case WID_CC_YEAR: { // Year to switch to euro
    02522         int val = atoi(str);
    02523
    02524         _custom_currency.to_euro = (val < 2000 ? CF_NOEURO : min(val, MAX_YEAR));
    02525         break;
    02526       }
    02527     }
    02528     MarkWholeScreenDirty();
    02529     SetButtonState();
    02530   }
    02531
    02532   virtual void OnTimeout()
    02533   {
    02534     this->SetDirty();
    02535   }
    02536 };
    02537
    02538 static const NWidgetPart _nested_cust_currency_widgets[] = {
    02539   NWidget(NWID_HORIZONTAL),
    02540     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    02541     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CURRENCY_WINDOW, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    02542   EndContainer(),
    02543   NWidget(WWT_PANEL, COLOUR_GREY),
    02544     NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(7, 3, 0),
    02545       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02546         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_EXCHANGE_RATE_TOOLTIP),
    02547         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_EXCHANGE_RATE_TOOLTIP),
    02548         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02549         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_RATE), SetDataTip(STR_CURRENCY_EXCHANGE_RATE, STR_CURRENCY_SET_EXCHANGE_RATE_TOOLTIP), SetFill(1, 0),
    02550       EndContainer(),
    02551       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02552         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SEPARATOR_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(0, 1),
    02553         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02554         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SEPARATOR), SetDataTip(STR_CURRENCY_SEPARATOR, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(1, 0),
    02555       EndContainer(),
    02556       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02557         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_PREFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(0, 1),
    02558         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02559         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_PREFIX), SetDataTip(STR_CURRENCY_PREFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(1, 0),
    02560       EndContainer(),
    02561       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02562         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SUFFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(0, 1),
    02563         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02564         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SUFFIX), SetDataTip(STR_CURRENCY_SUFFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(1, 0),
    02565       EndContainer(),
    02566       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02567         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
    02568         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
    02569         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02570         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_YEAR), SetDataTip(STR_JUST_STRING, STR_CURRENCY_SET_CUSTOM_CURRENCY_TO_EURO_TOOLTIP), SetFill(1, 0),
    02571       EndContainer(),
    02572     EndContainer(),
    02573     NWidget(WWT_LABEL, COLOUR_BLUE, WID_CC_PREVIEW),
    02574                 SetDataTip(STR_CURRENCY_PREVIEW, STR_CURRENCY_CUSTOM_CURRENCY_PREVIEW_TOOLTIP), SetPadding(15, 1, 18, 2),
    02575   EndContainer(),
    02576 };
    02577
    02578 static const WindowDesc _cust_currency_desc(
    02579   WDP_CENTER, 0, 0,
    02580   WC_CUSTOM_CURRENCY, WC_NONE,
    02581   0,
    02582   _nested_cust_currency_widgets, lengthof(_nested_cust_currency_widgets)
    02583 );
    02584
    02586 static void ShowCustCurrency()
    02587 {
    02588   DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
    02589   new CustomCurrencyWindow(&_cust_currency_desc);
    02590 }