# 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 "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
    00039
    00040
    00041 static const StringID _units_dropdown[] = {
    00042   STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL,
    00043   STR_GAME_OPTIONS_MEASURING_UNITS_METRIC,
    00044   STR_GAME_OPTIONS_MEASURING_UNITS_SI,
    00045   INVALID_STRING_ID
    00046 };
    00047
    00048 static const StringID _driveside_dropdown[] = {
    00049   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT,
    00050   STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_RIGHT,
    00051   INVALID_STRING_ID
    00052 };
    00053
    00054 static const StringID _autosave_dropdown[] = {
    00055   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_OFF,
    00056   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_1_MONTH,
    00057   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_3_MONTHS,
    00058   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_6_MONTHS,
    00059   STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_12_MONTHS,
    00060   INVALID_STRING_ID,
    00061 };
    00062
    00063 int _nb_orig_names = SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1;
    00064 static StringID *_grf_names = NULL;
    00065 static int _nb_grf_names = 0;
    00066
    00068 void InitGRFTownGeneratorNames()
    00069 {
    00070   free(_grf_names);
    00071   _grf_names = GetGRFTownNameList();
    00072   _nb_grf_names = 0;
    00073   for (StringID *s = _grf_names; *s != INVALID_STRING_ID; s++) _nb_grf_names++;
    00074 }
    00075
    00081 static inline StringID TownName(int town_name)
    00082 {
    00083   if (town_name < _nb_orig_names) return STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + town_name;
    00084   town_name -= _nb_orig_names;
    00085   if (town_name < _nb_grf_names) return _grf_names[town_name];
    00086   return STR_UNDEFINED;
    00087 }
    00088
    00093 static int GetCurRes()
    00094 {
    00095   int i;
    00096
    00097   for (i = 0; i != _num_resolutions; i++) {
    00098     if ((int)_resolutions[i].width == _screen.width &&
    00099         (int)_resolutions[i].height == _screen.height) {
    00100       break;
    00101     }
    00102   }
    00103   return i;
    00104 }
    00105
    00106 static void ShowCustCurrency();
    00107
    00108 template <class T>
    00109 static DropDownList *BuiltSetDropDownList(int *selected_index)
    00110 {
    00111   int n = T::GetNumSets();
    00112   *selected_index = T::GetIndexOfUsedSet();
    00113
    00114   DropDownList *list = new DropDownList();
    00115   for (int i = 0; i < n; i++) {
    00116     list->push_back(new DropDownListCharStringItem(T::GetSet(i)->name, i, (_game_mode == GM_MENU) ? false : (*selected_index != i)));
    00117   }
    00118
    00119   return list;
    00120 }
    00121
    00123 template <class TBaseSet>
    00124 struct BaseSetTextfileWindow : public TextfileWindow {
    00125   const TBaseSet* baseset;
    00126   StringID content_type;
    00127
    00128   BaseSetTextfileWindow(TextfileType file_type, const TBaseSet* baseset, StringID content_type) : TextfileWindow(file_type), baseset(baseset), content_type(content_type)
    00129   {
    00130     this->GetWidget<NWidgetCore>(WID_TF_CAPTION)->SetDataTip(STR_TEXTFILE_README_CAPTION + file_type, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS);
    00131
    00132     const char *textfile = this->baseset->GetTextfile(file_type);
    00133     this->LoadTextfile(textfile, BASESET_DIR);
    00134   }
    00135
    00136   /* virtual */ void SetStringParameters(int widget) const
    00137   {
    00138     if (widget == WID_TF_CAPTION) {
    00139       SetDParam(0, content_type);
    00140       SetDParamStr(1, this->baseset->name);
    00141     }
    00142   }
    00143 };
    00144
    00151 template <class TBaseSet>
    00152 void ShowBaseSetTextfileWindow(TextfileType file_type, const TBaseSet* baseset, StringID content_type)
    00153 {
    00154   DeleteWindowByClass(WC_TEXTFILE);
    00155   new BaseSetTextfileWindow<TBaseSet>(file_type, baseset, content_type);
    00156 }
    00157
    00158 struct GameOptionsWindow : Window {
    00159   GameSettings *opt;
    00160   bool reload;
    00161
    00162   GameOptionsWindow(const WindowDesc *desc) : Window()
    00163   {
    00164     this->opt = &GetGameSettings();
    00165     this->reload = false;
    00166
    00167     this->InitNested(desc, WN_GAME_OPTIONS_GAME_OPTIONS);
    00168     this->OnInvalidateData(0);
    00169   }
    00170
    00171   ~GameOptionsWindow()
    00172   {
    00173     DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
    00174     if (this->reload) _switch_mode = SM_MENU;
    00175   }
    00176
    00183   DropDownList *BuildDropDownList(int widget, int *selected_index) const
    00184   {
    00185     DropDownList *list = NULL;
    00186     switch (widget) {
    00187       case WID_GO_CURRENCY_DROPDOWN: { // Setup currencies dropdown
    00188         list = new DropDownList();
    00189         *selected_index = this->opt->locale.currency;
    00190         StringID *items = BuildCurrencyDropdown();
    00191         uint disabled = _game_mode == GM_MENU ? 0 : ~GetMaskOfAllowedCurrencies();
    00192         int custom_index = -1;
    00193
    00194         /* Add non-custom currencies; sorted naturally */
    00195         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00196           if (*items == STR_GAME_OPTIONS_CURRENCY_CUSTOM) {
    00197             custom_index = i;
    00198           } else {
    00199             list->push_back(new DropDownListStringItem(*items, i, HasBit(disabled, i)));
    00200           }
    00201         }
    00202         list->sort(DropDownListStringItem::NatSortFunc);
    00203
    00204         /* Append custom currency at the end */
    00205         if (custom_index >= 0) {
    00206           list->push_back(new DropDownListItem(-1, false)); // separator line
    00207           list->push_back(new DropDownListStringItem(STR_GAME_OPTIONS_CURRENCY_CUSTOM, custom_index, HasBit(disabled, custom_index)));
    00208         }
    00209         break;
    00210       }
    00211
    00212       case WID_GO_DISTANCE_DROPDOWN: { // Setup distance unit dropdown
    00213         list = new DropDownList();
    00214         *selected_index = this->opt->locale.units;
    00215         const StringID *items = _units_dropdown;
    00216         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00217           list->push_back(new DropDownListStringItem(*items, i, false));
    00218         }
    00219         break;
    00220       }
    00221
    00222       case WID_GO_ROADSIDE_DROPDOWN: { // Setup road-side dropdown
    00223         list = new DropDownList();
    00224         *selected_index = this->opt->vehicle.road_side;
    00225         const StringID *items = _driveside_dropdown;
    00226         uint disabled = 0;
    00227
    00228         /* You can only change the drive side if you are in the menu or ingame with
    00229          * no vehicles present. In a networking game only the server can change it */
    00230         extern bool RoadVehiclesAreBuilt();
    00231         if ((_game_mode != GM_MENU && RoadVehiclesAreBuilt()) || (_networking && !_network_server)) {
    00232           disabled = ~(1 << this->opt->vehicle.road_side); // disable the other value
    00233         }
    00234
    00235         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00236           list->push_back(new DropDownListStringItem(*items, i, HasBit(disabled, i)));
    00237         }
    00238         break;
    00239       }
    00240
    00241       case WID_GO_TOWNNAME_DROPDOWN: { // Setup townname dropdown
    00242         list = new DropDownList();
    00243         *selected_index = this->opt->game_creation.town_name;
    00244
    00245         int enabled_item = (_game_mode == GM_MENU || Town::GetNumItems() == 0) ? -1 : *selected_index;
    00246
    00247         /* Add and sort original townnames generators */
    00248         for (int i = 0; i < _nb_orig_names; i++) {
    00249           list->push_back(new DropDownListStringItem(STR_GAME_OPTIONS_TOWN_NAME_ORIGINAL_ENGLISH + i, i, enabled_item != i && enabled_item >= 0));
    00250         }
    00251         list->sort(DropDownListStringItem::NatSortFunc);
    00252
    00253         /* Add and sort newgrf townnames generators */
    00254         DropDownList newgrf_names;
    00255         for (int i = 0; i < _nb_grf_names; i++) {
    00256           int result = _nb_orig_names + i;
    00257           newgrf_names.push_back(new DropDownListStringItem(_grf_names[i], result, enabled_item != result && enabled_item >= 0));
    00258         }
    00259         newgrf_names.sort(DropDownListStringItem::NatSortFunc);
    00260
    00261         /* Insert newgrf_names at the top of the list */
    00262         if (newgrf_names.size() > 0) {
    00263           newgrf_names.push_back(new DropDownListItem(-1, false)); // separator line
    00264           list->splice(list->begin(), newgrf_names);
    00265         }
    00266         break;
    00267       }
    00268
    00269       case WID_GO_AUTOSAVE_DROPDOWN: { // Setup autosave dropdown
    00270         list = new DropDownList();
    00271         *selected_index = _settings_client.gui.autosave;
    00272         const StringID *items = _autosave_dropdown;
    00273         for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
    00274           list->push_back(new DropDownListStringItem(*items, i, false));
    00275         }
    00276         break;
    00277       }
    00278
    00279       case WID_GO_LANG_DROPDOWN: { // Setup interface language dropdown
    00280         list = new DropDownList();
    00281         for (uint i = 0; i < _languages.Length(); i++) {
    00282           if (&_languages[i] == _current_language) *selected_index = i;
    00283           list->push_back(new DropDownListStringItem(SPECSTR_LANGUAGE_START + i, i, false));
    00284         }
    00285         list->sort(DropDownListStringItem::NatSortFunc);
    00286         break;
    00287       }
    00288
    00289       case WID_GO_RESOLUTION_DROPDOWN: // Setup resolution dropdown
    00290         list = new DropDownList();
    00291         *selected_index = GetCurRes();
    00292         for (int i = 0; i < _num_resolutions; i++) {
    00293           list->push_back(new DropDownListStringItem(SPECSTR_RESOLUTION_START + i, i, false));
    00294         }
    00295         break;
    00296
    00297       case WID_GO_SCREENSHOT_DROPDOWN: // Setup screenshot format dropdown
    00298         list = new DropDownList();
    00299         *selected_index = _cur_screenshot_format;
    00300         for (uint i = 0; i < _num_screenshot_formats; i++) {
    00301           if (!GetScreenshotFormatSupports_32bpp(i) && BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth() == 32) continue;
    00302           list->push_back(new DropDownListStringItem(SPECSTR_SCREENSHOT_START + i, i, false));
    00303         }
    00304         break;
    00305
    00306       case WID_GO_BASE_GRF_DROPDOWN:
    00307         list = BuiltSetDropDownList<BaseGraphics>(selected_index);
    00308         break;
    00309
    00310       case WID_GO_BASE_SFX_DROPDOWN:
    00311         list = BuiltSetDropDownList<BaseSounds>(selected_index);
    00312         break;
    00313
    00314       case WID_GO_BASE_MUSIC_DROPDOWN:
    00315         list = BuiltSetDropDownList<BaseMusic>(selected_index);
    00316         break;
    00317
    00318       default:
    00319         return NULL;
    00320     }
    00321
    00322     return list;
    00323   }
    00324
    00325   virtual void SetStringParameters(int widget) const
    00326   {
    00327     switch (widget) {
    00328       case WID_GO_CURRENCY_DROPDOWN:   SetDParam(0, _currency_specs[this->opt->locale.currency].name); break;
    00329       case WID_GO_DISTANCE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_MEASURING_UNITS_IMPERIAL + this->opt->locale.units); break;
    00330       case WID_GO_ROADSIDE_DROPDOWN:   SetDParam(0, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_LEFT + this->opt->vehicle.road_side); break;
    00331       case WID_GO_TOWNNAME_DROPDOWN:   SetDParam(0, TownName(this->opt->game_creation.town_name)); break;
    00332       case WID_GO_AUTOSAVE_DROPDOWN:   SetDParam(0, _autosave_dropdown[_settings_client.gui.autosave]); break;
    00333       case WID_GO_LANG_DROPDOWN:       SetDParamStr(0, _current_language->own_name); break;
    00334       case WID_GO_RESOLUTION_DROPDOWN: SetDParam(0, GetCurRes() == _num_resolutions ? STR_GAME_OPTIONS_RESOLUTION_OTHER : SPECSTR_RESOLUTION_START + GetCurRes()); break;
    00335       case WID_GO_SCREENSHOT_DROPDOWN: SetDParam(0, SPECSTR_SCREENSHOT_START + _cur_screenshot_format); break;
    00336       case WID_GO_BASE_GRF_DROPDOWN:   SetDParamStr(0, BaseGraphics::GetUsedSet()->name); break;
    00337       case WID_GO_BASE_GRF_STATUS:     SetDParam(0, BaseGraphics::GetUsedSet()->GetNumInvalid()); break;
    00338       case WID_GO_BASE_SFX_DROPDOWN:   SetDParamStr(0, BaseSounds::GetUsedSet()->name); break;
    00339       case WID_GO_BASE_MUSIC_DROPDOWN: SetDParamStr(0, BaseMusic::GetUsedSet()->name); break;
    00340       case WID_GO_BASE_MUSIC_STATUS:   SetDParam(0, BaseMusic::GetUsedSet()->GetNumInvalid()); break;
    00341     }
    00342   }
    00343
    00344   virtual void DrawWidget(const Rect &r, int widget) const
    00345   {
    00346     switch (widget) {
    00347       case WID_GO_BASE_GRF_DESCRIPTION:
    00348         SetDParamStr(0, BaseGraphics::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00349         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00350         break;
    00351
    00352       case WID_GO_BASE_SFX_DESCRIPTION:
    00353         SetDParamStr(0, BaseSounds::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00354         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00355         break;
    00356
    00357       case WID_GO_BASE_MUSIC_DESCRIPTION:
    00358         SetDParamStr(0, BaseMusic::GetUsedSet()->GetDescription(GetCurrentLanguageIsoCode()));
    00359         DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, STR_BLACK_RAW_STRING);
    00360         break;
    00361     }
    00362   }
    00363
    00364   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00365   {
    00366     switch (widget) {
    00367       case WID_GO_BASE_GRF_DESCRIPTION:
    00368         /* Find the biggest description for the default size. */
    00369         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
    00370           SetDParamStr(0, BaseGraphics::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00371           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00372         }
    00373         break;
    00374
    00375       case WID_GO_BASE_GRF_STATUS:
    00376         /* Find the biggest description for the default size. */
    00377         for (int i = 0; i < BaseGraphics::GetNumSets(); i++) {
    00378           uint invalid_files = BaseGraphics::GetSet(i)->GetNumInvalid();
    00379           if (invalid_files == 0) continue;
    00380
    00381           SetDParam(0, invalid_files);
    00382           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_GRF_STATUS));
    00383         }
    00384         break;
    00385
    00386       case WID_GO_BASE_SFX_DESCRIPTION:
    00387         /* Find the biggest description for the default size. */
    00388         for (int i = 0; i < BaseSounds::GetNumSets(); i++) {
    00389           SetDParamStr(0, BaseSounds::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00390           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00391         }
    00392         break;
    00393
    00394       case WID_GO_BASE_MUSIC_DESCRIPTION:
    00395         /* Find the biggest description for the default size. */
    00396         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
    00397           SetDParamStr(0, BaseMusic::GetSet(i)->GetDescription(GetCurrentLanguageIsoCode()));
    00398           size->height = max(size->height, (uint)GetStringHeight(STR_BLACK_RAW_STRING, size->width));
    00399         }
    00400         break;
    00401
    00402       case WID_GO_BASE_MUSIC_STATUS:
    00403         /* Find the biggest description for the default size. */
    00404         for (int i = 0; i < BaseMusic::GetNumSets(); i++) {
    00405           uint invalid_files = BaseMusic::GetSet(i)->GetNumInvalid();
    00406           if (invalid_files == 0) continue;
    00407
    00408           SetDParam(0, invalid_files);
    00409           *size = maxdim(*size, GetStringBoundingBox(STR_GAME_OPTIONS_BASE_MUSIC_STATUS));
    00410         }
    00411         break;
    00412
    00413       default: {
    00414         int selected;
    00415         DropDownList *list = this->BuildDropDownList(widget, &selected);
    00416         if (list != NULL) {
    00417           /* Find the biggest item for the default size. */
    00418           for (DropDownList::iterator it = list->begin(); it != list->end(); it++) {
    00419             static const Dimension extra = {WD_DROPDOWNTEXT_LEFT + WD_DROPDOWNTEXT_RIGHT, WD_DROPDOWNTEXT_TOP + WD_DROPDOWNTEXT_BOTTOM};
    00420             Dimension string_dim;
    00421             int width = (*it)->Width();
    00422             string_dim.width = width + extra.width;
    00423             string_dim.height = (*it)->Height(width) + extra.height;
    00424             *size = maxdim(*size, string_dim);
    00425             delete *it;
    00426           }
    00427           delete list;
    00428         }
    00429       }
    00430     }
    00431   }
    00432
    00433   virtual void OnClick(Point pt, int widget, int click_count)
    00434   {
    00435     if (widget >= WID_GO_BASE_GRF_TEXTFILE && widget < WID_GO_BASE_GRF_TEXTFILE + TFT_END) {
    00436       if (BaseGraphics::GetUsedSet() == NULL) return;
    00437
    00438       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_GRF_TEXTFILE), BaseGraphics::GetUsedSet(), STR_CONTENT_TYPE_BASE_GRAPHICS);
    00439       return;
    00440     }
    00441     if (widget >= WID_GO_BASE_SFX_TEXTFILE && widget < WID_GO_BASE_SFX_TEXTFILE + TFT_END) {
    00442       if (BaseSounds::GetUsedSet() == NULL) return;
    00443
    00444       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_SFX_TEXTFILE), BaseSounds::GetUsedSet(), STR_CONTENT_TYPE_BASE_SOUNDS);
    00445       return;
    00446     }
    00447     if (widget >= WID_GO_BASE_MUSIC_TEXTFILE && widget < WID_GO_BASE_MUSIC_TEXTFILE + TFT_END) {
    00448       if (BaseMusic::GetUsedSet() == NULL) return;
    00449
    00450       ShowBaseSetTextfileWindow((TextfileType)(widget - WID_GO_BASE_MUSIC_TEXTFILE), BaseMusic::GetUsedSet(), STR_CONTENT_TYPE_BASE_MUSIC);
    00451       return;
    00452     }
    00453     switch (widget) {
    00454       case WID_GO_FULLSCREEN_BUTTON: // Click fullscreen on/off
    00455         /* try to toggle full-screen on/off */
    00456         if (!ToggleFullScreen(!_fullscreen)) {
    00457           ShowErrorMessage(STR_ERROR_FULLSCREEN_FAILED, INVALID_STRING_ID, WL_ERROR);
    00458         }
    00459         this->SetWidgetLoweredState(WID_GO_FULLSCREEN_BUTTON, _fullscreen);
    00460         this->SetDirty();
    00461         break;
    00462
    00463       default: {
    00464         int selected;
    00465         DropDownList *list = this->BuildDropDownList(widget, &selected);
    00466         if (list != NULL) {
    00467           ShowDropDownList(this, list, selected, widget);
    00468         }
    00469         break;
    00470       }
    00471     }
    00472   }
    00473
    00479   template <class T>
    00480   void SetMediaSet(int index)
    00481   {
    00482     if (_game_mode == GM_MENU) {
    00483       const char *name = T::GetSet(index)->name;
    00484
    00485       free(T::ini_set);
    00486       T::ini_set = strdup(name);
    00487
    00488       T::SetSet(name);
    00489       this->reload = true;
    00490       this->InvalidateData();
    00491     }
    00492   }
    00493
    00494   virtual void OnDropdownSelect(int widget, int index)
    00495   {
    00496     switch (widget) {
    00497       case WID_GO_CURRENCY_DROPDOWN: // Currency
    00498         if (index == CUSTOM_CURRENCY_ID) ShowCustCurrency();
    00499         this->opt->locale.currency = index;
    00500         ReInitAllWindows();
    00501         break;
    00502
    00503       case WID_GO_DISTANCE_DROPDOWN: // Measuring units
    00504         this->opt->locale.units = index;
    00505         MarkWholeScreenDirty();
    00506         break;
    00507
    00508       case WID_GO_ROADSIDE_DROPDOWN: // Road side
    00509         if (this->opt->vehicle.road_side != index) { // only change if setting changed
    00510           uint i;
    00511           if (GetSettingFromName("vehicle.road_side", &i) == NULL) NOT_REACHED();
    00512           SetSettingValue(i, index);
    00513           MarkWholeScreenDirty();
    00514         }
    00515         break;
    00516
    00517       case WID_GO_TOWNNAME_DROPDOWN: // Town names
    00518         if (_game_mode == GM_MENU || Town::GetNumItems() == 0) {
    00519           this->opt->game_creation.town_name = index;
    00520           SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_GAME_OPTIONS);
    00521         }
    00522         break;
    00523
    00524       case WID_GO_AUTOSAVE_DROPDOWN: // Autosave options
    00525         _settings_client.gui.autosave = index;
    00526         this->SetDirty();
    00527         break;
    00528
    00529       case WID_GO_LANG_DROPDOWN: // Change interface language
    00530         ReadLanguagePack(&_languages[index]);
    00531         DeleteWindowByClass(WC_QUERY_STRING);
    00532         CheckForMissingGlyphs();
    00533         UpdateAllVirtCoords();
    00534         ReInitAllWindows();
    00535         break;
    00536
    00537       case WID_GO_RESOLUTION_DROPDOWN: // Change resolution
    00538         if (index < _num_resolutions && ChangeResInGame(_resolutions[index].width, _resolutions[index].height)) {
    00539           this->SetDirty();
    00540         }
    00541         break;
    00542
    00543       case WID_GO_SCREENSHOT_DROPDOWN: // Change screenshot format
    00544         SetScreenshotFormat(index);
    00545         this->SetDirty();
    00546         break;
    00547
    00548       case WID_GO_BASE_GRF_DROPDOWN:
    00549         this->SetMediaSet<BaseGraphics>(index);
    00550         break;
    00551
    00552       case WID_GO_BASE_SFX_DROPDOWN:
    00553         this->SetMediaSet<BaseSounds>(index);
    00554         break;
    00555
    00556       case WID_GO_BASE_MUSIC_DROPDOWN:
    00557         this->SetMediaSet<BaseMusic>(index);
    00558         break;
    00559     }
    00560   }
    00561
    00567   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00568   {
    00569     if (!gui_scope) return;
    00570     this->SetWidgetLoweredState(WID_GO_FULLSCREEN_BUTTON, _fullscreen);
    00571
    00572     bool missing_files = BaseGraphics::GetUsedSet()->GetNumMissing() == 0;
    00573     this->GetWidget<NWidgetCore>(WID_GO_BASE_GRF_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_GRF_STATUS, STR_NULL);
    00574
    00575     for (TextfileType tft = TFT_BEGIN; tft < TFT_END; tft++) {
    00576       this->SetWidgetDisabledState(WID_GO_BASE_GRF_TEXTFILE + tft, BaseGraphics::GetUsedSet() == NULL || BaseGraphics::GetUsedSet()->GetTextfile(tft) == NULL);
    00577       this->SetWidgetDisabledState(WID_GO_BASE_SFX_TEXTFILE + tft, BaseSounds::GetUsedSet() == NULL || BaseSounds::GetUsedSet()->GetTextfile(tft) == NULL);
    00578       this->SetWidgetDisabledState(WID_GO_BASE_MUSIC_TEXTFILE + tft, BaseMusic::GetUsedSet() == NULL || BaseMusic::GetUsedSet()->GetTextfile(tft) == NULL);
    00579     }
    00580
    00581     missing_files = BaseMusic::GetUsedSet()->GetNumInvalid() == 0;
    00582     this->GetWidget<NWidgetCore>(WID_GO_BASE_MUSIC_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_MUSIC_STATUS, STR_NULL);
    00583   }
    00584 };
    00585
    00586 static const NWidgetPart _nested_game_options_widgets[] = {
    00587   NWidget(NWID_HORIZONTAL),
    00588     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    00589     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00590   EndContainer(),
    00591   NWidget(WWT_PANEL, COLOUR_GREY, WID_GO_BACKGROUND), SetPIP(6, 6, 10),
    00592     NWidget(NWID_HORIZONTAL), SetPIP(10, 10, 10),
    00593       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
    00594         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CURRENCY_UNITS_FRAME, STR_NULL),
    00595           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_CURRENCY_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_CURRENCY_UNITS_DROPDOWN_TOOLTIP), SetFill(1, 0),
    00596         EndContainer(),
    00597         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_ROAD_VEHICLES_FRAME, STR_NULL),
    00598           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_ROADSIDE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_ROAD_VEHICLES_DROPDOWN_TOOLTIP), SetFill(1, 0),
    00599         EndContainer(),
    00600         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_AUTOSAVE_FRAME, STR_NULL),
    00601           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_AUTOSAVE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_TOOLTIP), SetFill(1, 0),
    00602         EndContainer(),
    00603         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_RESOLUTION, STR_NULL),
    00604           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_RESOLUTION_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_RESOLUTION_TOOLTIP), SetFill(1, 0), SetPadding(0, 0, 3, 0),
    00605           NWidget(NWID_HORIZONTAL),
    00606             NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_FULLSCREEN, STR_NULL),
    00607             NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_FULLSCREEN_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_FULLSCREEN_TOOLTIP),
    00608           EndContainer(),
    00609         EndContainer(),
    00610       EndContainer(),
    00611
    00612       NWidget(NWID_VERTICAL), SetPIP(0, 6, 0),
    00613         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_MEASURING_UNITS_FRAME, STR_NULL),
    00614           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_DISTANCE_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_MEASURING_UNITS_DROPDOWN_TOOLTIP), SetFill(1, 0),
    00615         EndContainer(),
    00616         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_TOWN_NAMES_FRAME, STR_NULL),
    00617           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_TOWNNAME_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_TOWN_NAMES_DROPDOWN_TOOLTIP), SetFill(1, 0),
    00618         EndContainer(),
    00619         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_LANGUAGE, STR_NULL),
    00620           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_LANG_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_LANGUAGE_TOOLTIP), SetFill(1, 0),
    00621         EndContainer(),
    00622         NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_SCREENSHOT_FORMAT, STR_NULL),
    00623           NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_SCREENSHOT_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_STRING, STR_GAME_OPTIONS_SCREENSHOT_FORMAT_TOOLTIP), SetFill(1, 0),
    00624         EndContainer(),
    00625         NWidget(NWID_SPACER), SetMinimalSize(0, 0), SetFill(0, 1),
    00626       EndContainer(),
    00627     EndContainer(),
    00628
    00629     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_GRF, STR_NULL), SetPadding(0, 10, 0, 10),
    00630       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00631         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_GRF_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_GRF_TOOLTIP),
    00632         NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_GRF_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
    00633       EndContainer(),
    00634       NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_GRF_DESCRIPTION), SetMinimalSize(330, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_GRF_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 6, 0),
    00635       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00636         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_GRF_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
    00637         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_GRF_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
    00638         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_GRF_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
    00639       EndContainer(),
    00640     EndContainer(),
    00641
    00642     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_SFX, STR_NULL), SetPadding(0, 10, 0, 10),
    00643       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00644         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_SFX_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_SFX_TOOLTIP),
    00645         NWidget(NWID_SPACER), SetFill(1, 0),
    00646       EndContainer(),
    00647       NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_SFX_DESCRIPTION), SetMinimalSize(330, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_SFX_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 6, 0),
    00648       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00649         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_SFX_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
    00650         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_SFX_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
    00651         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_SFX_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
    00652       EndContainer(),
    00653     EndContainer(),
    00654
    00655     NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_MUSIC, STR_NULL), SetPadding(0, 10, 0, 10),
    00656       NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
    00657         NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_MUSIC_DROPDOWN), SetMinimalSize(150, 12), SetDataTip(STR_BLACK_RAW_STRING, STR_GAME_OPTIONS_BASE_MUSIC_TOOLTIP),
    00658         NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_MUSIC_STATUS), SetMinimalSize(150, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
    00659       EndContainer(),
    00660       NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_MUSIC_DESCRIPTION), SetMinimalSize(330, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_MUSIC_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 6, 0),
    00661       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
    00662         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_MUSIC_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
    00663         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_MUSIC_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
    00664         NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_MUSIC_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
    00665       EndContainer(),
    00666     EndContainer(),
    00667   EndContainer(),
    00668 };
    00669
    00670 static const WindowDesc _game_options_desc(
    00671   WDP_CENTER, 0, 0,
    00672   WC_GAME_OPTIONS, WC_NONE,
    00673   WDF_UNCLICK_BUTTONS,
    00674   _nested_game_options_widgets, lengthof(_nested_game_options_widgets)
    00675 );
    00676
    00678 void ShowGameOptions()
    00679 {
    00680   DeleteWindowByClass(WC_GAME_OPTIONS);
    00681   new GameOptionsWindow(&_game_options_desc);
    00682 }
    00683
    00684 extern void StartupEconomy();
    00685
    00686 void SetDifficultyLevel(int mode, DifficultySettings *gm_opt);
    00687
    00688 class GameDifficultyWindow : public Window {
    00689 private:
    00690   /* Temporary holding place of values in the difficulty window until 'Save' is clicked */
    00691   GameSettings opt_mod_temp;
    00692
    00693 public:
    00695   static const uint GAME_DIFFICULTY_NUM = 18;
    00697   static const uint WIDGETS_PER_DIFFICULTY = 3;
    00698
    00699   GameDifficultyWindow(const WindowDesc *desc) : Window()
    00700   {
    00701     this->InitNested(desc, WN_GAME_OPTIONS_GAME_DIFFICULTY);
    00702
    00703     /* Setup disabled buttons when creating window
    00704      * disable all other difficulty buttons during gameplay except for 'custom' */
    00705     this->SetWidgetsDisabledState(_game_mode != GM_MENU,
    00706       WID_GD_LVL_EASY,
    00707       WID_GD_LVL_MEDIUM,
    00708       WID_GD_LVL_HARD,
    00709       WID_GD_LVL_CUSTOM,
    00710       WIDGET_LIST_END);
    00711     this->SetWidgetDisabledState(WID_GD_HIGHSCORE, _game_mode == GM_EDITOR || _networking); // highscore chart in multiplayer
    00712     this->SetWidgetDisabledState(WID_GD_ACCEPT, _networking && !_network_server); // Save-button in multiplayer (and if client)
    00713
    00714     /* Read data */
    00715     this->OnInvalidateData(GOID_DIFFICULTY_CHANGED);
    00716   }
    00717
    00718   virtual void SetStringParameters(int widget) const
    00719   {
    00720     widget -= WID_GD_OPTIONS_START;
    00721     if (widget < 0 || (widget % 3) != 2) return;
    00722
    00723     widget /= 3;
    00724
    00725     uint i;
    00726     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + widget;
    00727     int32 value = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
    00728     SetDParam(0, sd->desc.val_str + value);
    00729   }
    00730
    00731   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    00732   {
    00733     /* Only for the 'descriptions' */
    00734     int index = widget - WID_GD_OPTIONS_START;
    00735     if (index < 0 || (index % 3) != 2) return;
    00736
    00737     index /= 3;
    00738
    00739     uint i;
    00740     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + index;
    00741     const SettingDescBase *sdb = &sd->desc;
    00742
    00743     /* Get the string and try all strings from the smallest to the highest value */
    00744     StringID str = this->GetWidget<NWidgetCore>(widget)->widget_data;
    00745     for (int32 value = sdb->min; (uint32)value <= sdb->max; value += sdb->interval) {
    00746       SetDParam(0, sdb->val_str + value);
    00747       *size = maxdim(*size, GetStringBoundingBox(str));
    00748     }
    00749   }
    00750
    00751   virtual void OnClick(Point pt, int widget, int click_count)
    00752   {
    00753     if (widget >= WID_GD_OPTIONS_START) {
    00754       widget -= WID_GD_OPTIONS_START;
    00755       if ((widget % 3) == 2) return;
    00756
    00757       /* Don't allow clients to make any changes */
    00758       if (_networking && !_network_server) return;
    00759
    00760       uint i;
    00761       const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i) + (widget / 3);
    00762       const SettingDescBase *sdb = &sd->desc;
    00763
    00764       int32 val = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
    00765       if (widget % 3 == 1) {
    00766         /* Increase button clicked */
    00767         val = min(val + sdb->interval, (int32)sdb->max);
    00768       } else {
    00769         /* Decrease button clicked */
    00770         val -= sdb->interval;
    00771         val = max(val, sdb->min);
    00772       }
    00773
    00774       /* save value in temporary variable */
    00775       WriteValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv, val);
    00776       this->RaiseWidget(WID_GD_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
    00777       SetDifficultyLevel(3, &this->opt_mod_temp.difficulty); // set difficulty level to custom
    00778       this->LowerWidget(WID_GD_LVL_CUSTOM);
    00779       this->InvalidateData();
    00780
    00781       if (widget / 3 == 0 &&
    00782           AI::GetInfoList()->size() == 0 &&
    00783           this->opt_mod_temp.difficulty.max_no_competitors != 0) {
    00784         ShowErrorMessage(STR_WARNING_NO_SUITABLE_AI, INVALID_STRING_ID, WL_CRITICAL);
    00785       }
    00786       return;
    00787     }
    00788
    00789     switch (widget) {
    00790       case WID_GD_LVL_EASY:
    00791       case WID_GD_LVL_MEDIUM:
    00792       case WID_GD_LVL_HARD:
    00793       case WID_GD_LVL_CUSTOM:
    00794         /* temporarily change difficulty level */
    00795         this->RaiseWidget(WID_GD_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
    00796         SetDifficultyLevel(widget - WID_GD_LVL_EASY, &this->opt_mod_temp.difficulty);
    00797         this->LowerWidget(WID_GD_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
    00798         this->InvalidateData();
    00799         break;
    00800
    00801       case WID_GD_HIGHSCORE: // Highscore Table
    00802         ShowHighscoreTable(this->opt_mod_temp.difficulty.diff_level, -1);
    00803         break;
    00804
    00805       case WID_GD_ACCEPT: { // Save button - save changes
    00806         GameSettings *opt_ptr = &GetGameSettings();
    00807
    00808         uint i;
    00809         GetSettingFromName("difficulty.diff_level", &i);
    00810         DoCommandP(0, i, this->opt_mod_temp.difficulty.diff_level, CMD_CHANGE_SETTING);
    00811
    00812         const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
    00813         for (uint btn = 0; btn != GAME_DIFFICULTY_NUM; btn++, sd++) {
    00814           int32 new_val = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
    00815           int32 cur_val = (int32)ReadValue(GetVariableAddress(opt_ptr, &sd->save), sd->save.conv);
    00816           /* if setting has changed, change it */
    00817           if (new_val != cur_val) {
    00818             DoCommandP(0, i + btn, new_val, CMD_CHANGE_SETTING);
    00819           }
    00820         }
    00821         delete this;
    00822         /* If we are in the editor, we should reload the economy.
    00823          * This way when you load a game, the max loan and interest rate
    00824          * are loaded correctly. */
    00825         if (_game_mode == GM_EDITOR) StartupEconomy();
    00826         break;
    00827       }
    00828
    00829       case WID_GD_CANCEL: // Cancel button - close window, abandon changes
    00830         delete this;
    00831         break;
    00832     }
    00833   }
    00834
    00840   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    00841   {
    00842     if (!gui_scope) return;
    00843
    00844     if (data == GOID_DIFFICULTY_CHANGED) {
    00845       /* Window was created or settings were changed on server. Reread everything. */
    00846
    00847       /* Copy current settings (ingame or in intro) to temporary holding place
    00848        * change that when setting stuff, copy back on clicking 'OK' */
    00849       this->opt_mod_temp = GetGameSettings();
    00850
    00851       this->LowerWidget(WID_GD_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);
    00852     }
    00853
    00854     uint i;
    00855     const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
    00856     for (i = 0; i < GAME_DIFFICULTY_NUM; i++, sd++) {
    00857       const SettingDescBase *sdb = &sd->desc;
    00858       /* skip deprecated difficulty options */
    00859       if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
    00860       int32 value = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);
    00861       bool disable = (sd->desc.flags & SGF_NEWGAME_ONLY) &&
    00862           (_game_mode == GM_NORMAL ||
    00863           (_game_mode == GM_EDITOR && (sd->desc.flags & SGF_SCENEDIT_TOO) == 0));
    00864
    00865       this->SetWidgetDisabledState(WID_GD_OPTIONS_START + i * 3 + 0, disable || sdb->min == value);
    00866       this->SetWidgetDisabledState(WID_GD_OPTIONS_START + i * 3 + 1, disable || sdb->max == (uint32)value);
    00867     }
    00868   }
    00869 };
    00870
    00871 static NWidgetBase *MakeDifficultyOptionsWidgets(int *biggest_index)
    00872 {
    00873   NWidgetVertical *vert_desc = new NWidgetVertical;
    00874
    00875   int widnum = WID_GD_OPTIONS_START;
    00876   uint i, j;
    00877   const SettingDesc *sd = GetSettingFromName("difficulty.max_no_competitors", &i);
    00878
    00879   for (i = 0, j = 0; i < GameDifficultyWindow::GAME_DIFFICULTY_NUM; i++, sd++, widnum += GameDifficultyWindow::WIDGETS_PER_DIFFICULTY) {
    00880     if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
    00881
    00882     NWidgetHorizontal *hor = new NWidgetHorizontal;
    00883
    00884     /* [<] button. */
    00885     NWidgetLeaf *leaf = new NWidgetLeaf(WWT_PUSHARROWBTN, COLOUR_YELLOW, widnum, AWV_DECREASE, STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST);
    00886     hor->Add(leaf);
    00887
    00888     /* [>] button. */
    00889     leaf = new NWidgetLeaf(WWT_PUSHARROWBTN, COLOUR_YELLOW, widnum + 1, AWV_INCREASE, STR_TOOLTIP_HSCROLL_BAR_SCROLLS_LIST);
    00890     hor->Add(leaf);
    00891
    00892     /* Some spacing between the text and the description */
    00893     NWidgetSpacer *spacer = new NWidgetSpacer(5, 0);
    00894     hor->Add(spacer);
    00895
    00896     /* Descriptive text. */
    00897     leaf = new NWidgetLeaf(WWT_TEXT, COLOUR_YELLOW, widnum + 2, STR_DIFFICULTY_LEVEL_SETTING_MAXIMUM_NO_COMPETITORS + (j++), STR_NULL);
    00898     leaf->SetFill(1, 0);
    00899     hor->Add(leaf);
    00900     vert_desc->Add(hor);
    00901
    00902     /* Space vertically */
    00903     vert_desc->Add(new NWidgetSpacer(0, 2));
    00904   }
    00905   *biggest_index = widnum - 1;
    00906   return vert_desc;
    00907 }
    00908
    00909
    00911 static const NWidgetPart _nested_game_difficulty_widgets[] = {
    00912   NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_DIFFICULTY_LEVEL_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    00913   NWidget(WWT_PANEL, COLOUR_MAUVE),
    00914     NWidget(NWID_VERTICAL), SetPIP(2, 0, 2),
    00915       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
    00916         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, WID_GD_LVL_EASY), SetDataTip(STR_DIFFICULTY_LEVEL_EASY, STR_NULL), SetFill(1, 0),
    00917         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, WID_GD_LVL_MEDIUM), SetDataTip(STR_DIFFICULTY_LEVEL_MEDIUM, STR_NULL), SetFill(1, 0),
    00918         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, WID_GD_LVL_HARD), SetDataTip(STR_DIFFICULTY_LEVEL_HARD, STR_NULL), SetFill(1, 0),
    00919         NWidget(WWT_TEXTBTN, COLOUR_YELLOW, WID_GD_LVL_CUSTOM), SetDataTip(STR_DIFFICULTY_LEVEL_CUSTOM, STR_NULL), SetFill(1, 0),
    00920       EndContainer(),
    00921       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 10),
    00922         NWidget(WWT_PUSHTXTBTN, COLOUR_GREEN, WID_GD_HIGHSCORE), SetDataTip(STR_DIFFICULTY_LEVEL_HIGH_SCORE_BUTTON, STR_NULL), SetFill(1, 0),
    00923       EndContainer(),
    00924     EndContainer(),
    00925   EndContainer(),
    00926   NWidget(WWT_PANEL, COLOUR_MAUVE),
    00927     NWidget(NWID_VERTICAL), SetPIP(3, 0, 1),
    00928       NWidget(NWID_HORIZONTAL), SetPIP(5, 0, 5),
    00929         NWidgetFunction(MakeDifficultyOptionsWidgets),
    00930       EndContainer(),
    00931     EndContainer(),
    00932   EndContainer(),
    00933   NWidget(WWT_PANEL, COLOUR_MAUVE),
    00934     NWidget(NWID_VERTICAL), SetPIP(2, 0, 2),
    00935       NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
    00936         NWidget(NWID_SPACER), SetFill(1, 0),
    00937         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_GD_ACCEPT), SetDataTip(STR_DIFFICULTY_LEVEL_SAVE, STR_NULL), SetFill(1, 0),
    00938         NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_GD_CANCEL), SetDataTip(STR_BUTTON_CANCEL, STR_NULL), SetFill(1, 0),
    00939         NWidget(NWID_SPACER), SetFill(1, 0),
    00940       EndContainer(),
    00941     EndContainer(),
    00942   EndContainer(),
    00943 };
    00944
    00946 static const WindowDesc _game_difficulty_desc(
    00947   WDP_CENTER, 0, 0,
    00948   WC_GAME_OPTIONS, WC_NONE,
    00949   WDF_UNCLICK_BUTTONS,
    00950   _nested_game_difficulty_widgets, lengthof(_nested_game_difficulty_widgets)
    00951 );
    00952
    00954 void ShowGameDifficulty()
    00955 {
    00956   DeleteWindowByClass(WC_GAME_OPTIONS);
    00957   new GameDifficultyWindow(&_game_difficulty_desc);
    00958 }
    00959
    00960 static int SETTING_HEIGHT = 11;
    00961 static const int LEVEL_WIDTH = 15;
    00962
    00967 enum SettingEntryFlags {
    00968   SEF_LEFT_DEPRESSED  = 0x01,
    00969   SEF_RIGHT_DEPRESSED = 0x02,
    00970   SEF_BUTTONS_MASK = (SEF_LEFT_DEPRESSED | SEF_RIGHT_DEPRESSED),
    00971
    00972   SEF_LAST_FIELD = 0x04,
    00973
    00974   /* Entry kind */
    00975   SEF_SETTING_KIND = 0x10,
    00976   SEF_SUBTREE_KIND = 0x20,
    00977   SEF_KIND_MASK    = (SEF_SETTING_KIND | SEF_SUBTREE_KIND),
    00978 };
    00979
    00980 struct SettingsPage; // Forward declaration
    00981
    00983 struct SettingEntrySubtree {
    00984   SettingsPage *page;
    00985   bool folded;
    00986   StringID title;
    00987 };
    00988
    00990 struct SettingEntrySetting {
    00991   const char *name;
    00992   const SettingDesc *setting;
    00993   uint index;
    00994 };
    00995
    00997 struct SettingEntry {
    00998   byte flags;
    00999   byte level;
    01000   union {
    01001     SettingEntrySetting entry;
    01002     SettingEntrySubtree sub;
    01003   } d;
    01004
    01005   SettingEntry(const char *nm);
    01006   SettingEntry(SettingsPage *sub, StringID title);
    01007
    01008   void Init(byte level, bool last_field);
    01009   void FoldAll();
    01010   void SetButtons(byte new_val);
    01011
    01012   uint Length() const;
    01013   SettingEntry *FindEntry(uint row, uint *cur_row);
    01014
    01015   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);
    01016
    01017 private:
    01018   void DrawSetting(GameSettings *settings_ptr, const SettingDesc *sd, int x, int y, int max_x, int state);
    01019 };
    01020
    01022 struct SettingsPage {
    01023   SettingEntry *entries;
    01024   byte num;
    01025
    01026   void Init(byte level = 0);
    01027   void FoldAll();
    01028
    01029   uint Length() const;
    01030   SettingEntry *FindEntry(uint row, uint *cur_row) const;
    01031
    01032   uint Draw(GameSettings *settings_ptr, int base_x, int base_y, int max_x, uint first_row, uint max_row, uint cur_row = 0, uint parent_last = 0) const;
    01033 };
    01034
    01035
    01036 /* == SettingEntry methods == */
    01037
    01042 SettingEntry::SettingEntry(const char *nm)
    01043 {
    01044   this->flags = SEF_SETTING_KIND;
    01045   this->level = 0;
    01046   this->d.entry.name = nm;
    01047   this->d.entry.setting = NULL;
    01048   this->d.entry.index = 0;
    01049 }
    01050
    01056 SettingEntry::SettingEntry(SettingsPage *sub, StringID title)
    01057 {
    01058   this->flags = SEF_SUBTREE_KIND;
    01059   this->level = 0;
    01060   this->d.sub.page = sub;
    01061   this->d.sub.folded = true;
    01062   this->d.sub.title = title;
    01063 }
    01064
    01070 void SettingEntry::Init(byte level, bool last_field)
    01071 {
    01072   this->level = level;
    01073   if (last_field) this->flags |= SEF_LAST_FIELD;
    01074
    01075   switch (this->flags & SEF_KIND_MASK) {
    01076     case SEF_SETTING_KIND:
    01077       this->d.entry.setting = GetSettingFromName(this->d.entry.name, &this->d.entry.index);
    01078       assert(this->d.entry.setting != NULL);
    01079       break;
    01080     case SEF_SUBTREE_KIND:
    01081       this->d.sub.page->Init(level + 1);
    01082       break;
    01083     default: NOT_REACHED();
    01084   }
    01085 }
    01086
    01088 void SettingEntry::FoldAll()
    01089 {
    01090   switch (this->flags & SEF_KIND_MASK) {
    01091     case SEF_SETTING_KIND:
    01092       break;
    01093
    01094     case SEF_SUBTREE_KIND:
    01095       this->d.sub.folded = true;
    01096       this->d.sub.page->FoldAll();
    01097       break;
    01098
    01099     default: NOT_REACHED();
    01100   }
    01101 }
    01102
    01103
    01109 void SettingEntry::SetButtons(byte new_val)
    01110 {
    01111   assert((new_val & ~SEF_BUTTONS_MASK) == 0); // Should not touch any flags outside the buttons
    01112   this->flags = (this->flags & ~SEF_BUTTONS_MASK) | new_val;
    01113 }
    01114
    01116 uint SettingEntry::Length() const
    01117 {
    01118   switch (this->flags & SEF_KIND_MASK) {
    01119     case SEF_SETTING_KIND:
    01120       return 1;
    01121     case SEF_SUBTREE_KIND:
    01122       if (this->d.sub.folded) return 1; // Only displaying the title
    01123
    01124       return 1 + this->d.sub.page->Length(); // 1 extra row for the title
    01125     default: NOT_REACHED();
    01126   }
    01127 }
    01128
    01135 SettingEntry *SettingEntry::FindEntry(uint row_num, uint *cur_row)
    01136 {
    01137   if (row_num == *cur_row) return this;
    01138
    01139   switch (this->flags & SEF_KIND_MASK) {
    01140     case SEF_SETTING_KIND:
    01141       (*cur_row)++;
    01142       break;
    01143     case SEF_SUBTREE_KIND:
    01144       (*cur_row)++; // add one for row containing the title
    01145       if (this->d.sub.folded) {
    01146         break;
    01147       }
    01148
    01149       /* sub-page is visible => search it too */
    01150       return this->d.sub.page->FindEntry(row_num, cur_row);
    01151     default: NOT_REACHED();
    01152   }
    01153   return NULL;
    01154 }
    01155
    01182 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)
    01183 {
    01184   if (cur_row >= max_row) return cur_row;
    01185
    01186   bool rtl = _current_text_dir == TD_RTL;
    01187   int offset = rtl ? -4 : 4;
    01188   int level_width = rtl ? -LEVEL_WIDTH : LEVEL_WIDTH;
    01189
    01190   int x = rtl ? right : left;
    01191   int y = base_y;
    01192   if (cur_row >= first_row) {
    01193     int colour = _colour_gradient[COLOUR_ORANGE][4];
    01194     y = base_y + (cur_row - first_row) * SETTING_HEIGHT; // Compute correct y start position
    01195
    01196     /* Draw vertical for parent nesting levels */
    01197     for (uint lvl = 0; lvl < this->level; lvl++) {
    01198       if (!HasBit(parent_last, lvl)) GfxDrawLine(x + offset, y, x + offset, y + SETTING_HEIGHT - 1, colour);
    01199       x += level_width;
    01200     }
    01201     /* draw own |- prefix */
    01202     int halfway_y = y + SETTING_HEIGHT / 2;
    01203     int bottom_y = (flags & SEF_LAST_FIELD) ? halfway_y : y + SETTING_HEIGHT - 1;
    01204     GfxDrawLine(x + offset, y, x + offset, bottom_y, colour);
    01205     /* Small horizontal line from the last vertical line */
    01206     GfxDrawLine(x + offset, halfway_y, x + level_width - offset, halfway_y, colour);
    01207     x += level_width;
    01208   }
    01209
    01210   switch (this->flags & SEF_KIND_MASK) {
    01211     case SEF_SETTING_KIND:
    01212       if (cur_row >= first_row) {
    01213         DrawSetting(settings_ptr, this->d.entry.setting, rtl ? left : x, rtl ? x : right, y, this->flags & SEF_BUTTONS_MASK);
    01214       }
    01215       cur_row++;
    01216       break;
    01217     case SEF_SUBTREE_KIND:
    01218       if (cur_row >= first_row) {
    01219         DrawSprite((this->d.sub.folded ? SPR_CIRCLE_FOLDED : SPR_CIRCLE_UNFOLDED), PAL_NONE, rtl ? x - 8 : x, y + (SETTING_HEIGHT - 11) / 2);
    01220         DrawString(rtl ? left : x + 12, rtl ? x - 12 : right, y, this->d.sub.title);
    01221       }
    01222       cur_row++;
    01223       if (!this->d.sub.folded) {
    01224         if (this->flags & SEF_LAST_FIELD) {
    01225           assert(this->level < sizeof(parent_last));
    01226           SetBit(parent_last, this->level); // Add own last-field state
    01227         }
    01228
    01229         cur_row = this->d.sub.page->Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last);
    01230       }
    01231       break;
    01232     default: NOT_REACHED();
    01233   }
    01234   return cur_row;
    01235 }
    01236
    01237 static const void *ResolveVariableAddress(const GameSettings *settings_ptr, const SettingDesc *sd)
    01238 {
    01239   if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    01240     if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
    01241       return GetVariableAddress(&Company::Get(_local_company)->settings, &sd->save);
    01242     } else {
    01243       return GetVariableAddress(&_settings_client.company, &sd->save);
    01244     }
    01245   } else {
    01246     return GetVariableAddress(settings_ptr, &sd->save);
    01247   }
    01248 }
    01249
    01259 void SettingEntry::DrawSetting(GameSettings *settings_ptr, const SettingDesc *sd, int left, int right, int y, int state)
    01260 {
    01261   const SettingDescBase *sdb = &sd->desc;
    01262   const void *var = ResolveVariableAddress(settings_ptr, sd);
    01263   bool editable = true;
    01264   bool disabled = false;
    01265
    01266   bool rtl = _current_text_dir == TD_RTL;
    01267   uint buttons_left = rtl ? right - 19 : left;
    01268   uint text_left  = left + (rtl ? 0 : 25);
    01269   uint text_right = right - (rtl ? 25 : 0);
    01270   uint button_y = y + (SETTING_HEIGHT - 11) / 2;
    01271
    01272   /* We do not allow changes of some items when we are a client in a networkgame */
    01273   if (!(sd->save.conv & SLF_NO_NETWORK_SYNC) && _networking && !_network_server && !(sdb->flags & SGF_PER_COMPANY)) editable = false;
    01274   if ((sdb->flags & SGF_NETWORK_ONLY) && !_networking) editable = false;
    01275   if ((sdb->flags & SGF_NO_NETWORK) && _networking) editable = false;
    01276
    01277   if (sdb->cmd == SDT_BOOLX) {
    01278     /* Draw checkbox for boolean-value either on/off */
    01279     bool on = ReadValue(var, sd->save.conv) != 0;
    01280
    01281     DrawBoolButton(buttons_left, button_y, on, editable);
    01282     SetDParam(0, on ? STR_CONFIG_SETTING_ON : STR_CONFIG_SETTING_OFF);
    01283   } else {
    01284     int32 value;
    01285
    01286     value = (int32)ReadValue(var, sd->save.conv);
    01287
    01288     /* Draw [<][>] boxes for settings of an integer-type */
    01289     DrawArrowButtons(buttons_left, button_y, COLOUR_YELLOW, state, editable && value != (sdb->flags & SGF_0ISDISABLED ? 0 : sdb->min), editable && (uint32)value != sdb->max);
    01290
    01291     disabled = (value == 0) && (sdb->flags & SGF_0ISDISABLED);
    01292     if (disabled) {
    01293       SetDParam(0, STR_CONFIG_SETTING_DISABLED);
    01294     } else {
    01295       if (sdb->flags & SGF_CURRENCY) {
    01296         SetDParam(0, STR_JUST_CURRENCY_LONG);
    01297       } else if (sdb->flags & SGF_MULTISTRING) {
    01298         SetDParam(0, sdb->val_str - sdb->min + value);
    01299       } else {
    01300         SetDParam(0, (sdb->flags & SGF_NOCOMMA) ? STR_JUST_INT : STR_JUST_COMMA);
    01301       }
    01302       SetDParam(1, value);
    01303     }
    01304   }
    01305   DrawString(text_left, text_right, y, (sdb->str) + disabled);
    01306 }
    01307
    01308
    01309 /* == SettingsPage methods == */
    01310
    01315 void SettingsPage::Init(byte level)
    01316 {
    01317   for (uint field = 0; field < this->num; field++) {
    01318     this->entries[field].Init(level, field + 1 == num);
    01319   }
    01320 }
    01321
    01323 void SettingsPage::FoldAll()
    01324 {
    01325   for (uint field = 0; field < this->num; field++) {
    01326     this->entries[field].FoldAll();
    01327   }
    01328 }
    01329
    01331 uint SettingsPage::Length() const
    01332 {
    01333   uint length = 0;
    01334   for (uint field = 0; field < this->num; field++) {
    01335     length += this->entries[field].Length();
    01336   }
    01337   return length;
    01338 }
    01339
    01346 SettingEntry *SettingsPage::FindEntry(uint row_num, uint *cur_row) const
    01347 {
    01348   SettingEntry *pe = NULL;
    01349
    01350   for (uint field = 0; field < this->num; field++) {
    01351     pe = this->entries[field].FindEntry(row_num, cur_row);
    01352     if (pe != NULL) {
    01353       break;
    01354     }
    01355   }
    01356   return pe;
    01357 }
    01358
    01376 uint SettingsPage::Draw(GameSettings *settings_ptr, int left, int right, int base_y, uint first_row, uint max_row, uint cur_row, uint parent_last) const
    01377 {
    01378   if (cur_row >= max_row) return cur_row;
    01379
    01380   for (uint i = 0; i < this->num; i++) {
    01381     cur_row = this->entries[i].Draw(settings_ptr, left, right, base_y, first_row, max_row, cur_row, parent_last);
    01382     if (cur_row >= max_row) {
    01383       break;
    01384     }
    01385   }
    01386   return cur_row;
    01387 }
    01388
    01389
    01390 static SettingEntry _settings_ui_display[] = {
    01391   SettingEntry("gui.date_format_in_default_names"),
    01392   SettingEntry("gui.population_in_label"),
    01393   SettingEntry("gui.measure_tooltip"),
    01394   SettingEntry("gui.loading_indicators"),
    01395   SettingEntry("gui.liveries"),
    01396   SettingEntry("gui.show_track_reservation"),
    01397   SettingEntry("gui.expenses_layout"),
    01398   SettingEntry("gui.smallmap_land_colour"),
    01399   SettingEntry("gui.zoom_min"),
    01400   SettingEntry("gui.zoom_max"),
    01401   SettingEntry("gui.graph_line_thickness"),
    01402 };
    01404 static SettingsPage _settings_ui_display_page = {_settings_ui_display, lengthof(_settings_ui_display)};
    01405
    01406 static SettingEntry _settings_ui_interaction[] = {
    01407   SettingEntry("gui.window_snap_radius"),
    01408   SettingEntry("gui.window_soft_limit"),
    01409   SettingEntry("gui.link_terraform_toolbar"),
    01410   SettingEntry("gui.prefer_teamchat"),
    01411   SettingEntry("gui.autoscroll"),
    01412   SettingEntry("gui.reverse_scroll"),
    01413   SettingEntry("gui.smooth_scroll"),
    01414   SettingEntry("gui.left_mouse_btn_scrolling"),
    01415   /* While the horizontal scrollwheel scrolling is written as general code, only
    01416    *  the cocoa (OSX) driver generates input for it.
    01417    *  Since it's also able to completely disable the scrollwheel will we display it on all platforms anyway */
    01418   SettingEntry("gui.scrollwheel_scrolling"),
    01419   SettingEntry("gui.scrollwheel_multiplier"),
    01420 #ifdef __APPLE__
    01421   /* We might need to emulate a right mouse button on mac */
    01422   SettingEntry("gui.right_mouse_btn_emulation"),
    01423 #endif
    01424 };
    01426 static SettingsPage _settings_ui_interaction_page = {_settings_ui_interaction, lengthof(_settings_ui_interaction)};
    01427
    01428 static SettingEntry _settings_ui[] = {
    01429   SettingEntry(&_settings_ui_display_page, STR_CONFIG_SETTING_DISPLAY_OPTIONS),
    01430   SettingEntry(&_settings_ui_interaction_page, STR_CONFIG_SETTING_INTERACTION),
    01431   SettingEntry("gui.show_finances"),
    01432   SettingEntry("gui.errmsg_duration"),
    01433   SettingEntry("gui.hover_delay"),
    01434   SettingEntry("gui.toolbar_pos"),
    01435   SettingEntry("gui.statusbar_pos"),
    01436   SettingEntry("gui.newgrf_default_palette"),
    01437   SettingEntry("gui.pause_on_newgame"),
    01438   SettingEntry("gui.advanced_vehicle_list"),
    01439   SettingEntry("gui.timetable_in_ticks"),
    01440   SettingEntry("gui.timetable_arrival_departure"),
    01441   SettingEntry("gui.quick_goto"),
    01442   SettingEntry("gui.default_rail_type"),
    01443   SettingEntry("gui.disable_unsuitable_building"),
    01444   SettingEntry("gui.persistent_buildingtools"),
    01445   SettingEntry("gui.coloured_news_year"),
    01446 };
    01448 static SettingsPage _settings_ui_page = {_settings_ui, lengthof(_settings_ui)};
    01449
    01450 static SettingEntry _settings_construction_signals[] = {
    01451   SettingEntry("construction.signal_side"),
    01452   SettingEntry("gui.enable_signal_gui"),
    01453   SettingEntry("gui.drag_signals_density"),
    01454   SettingEntry("gui.semaphore_build_before"),
    01455   SettingEntry("gui.default_signal_type"),
    01456   SettingEntry("gui.cycle_signal_types"),
    01457 };
    01459 static SettingsPage _settings_construction_signals_page = {_settings_construction_signals, lengthof(_settings_construction_signals)};
    01460
    01461 static SettingEntry _settings_construction[] = {
    01462   SettingEntry(&_settings_construction_signals_page, STR_CONFIG_SETTING_CONSTRUCTION_SIGNALS),
    01463   SettingEntry("construction.build_on_slopes"),
    01464   SettingEntry("construction.autoslope"),
    01465   SettingEntry("construction.extra_dynamite"),
    01466   SettingEntry("construction.max_bridge_length"),
    01467   SettingEntry("construction.max_tunnel_length"),
    01468   SettingEntry("station.never_expire_airports"),
    01469   SettingEntry("construction.freeform_edges"),
    01470   SettingEntry("construction.extra_tree_placement"),
    01471   SettingEntry("construction.command_pause_level"),
    01472 };
    01474 static SettingsPage _settings_construction_page = {_settings_construction, lengthof(_settings_construction)};
    01475
    01476 static SettingEntry _settings_stations_cargo[] = {
    01477   SettingEntry("order.improved_load"),
    01478   SettingEntry("order.gradual_loading"),
    01479   SettingEntry("order.selectgoods"),
    01480 };
    01482 static SettingsPage _settings_stations_cargo_page = {_settings_stations_cargo, lengthof(_settings_stations_cargo)};
    01483
    01484 static SettingEntry _settings_stations[] = {
    01485   SettingEntry(&_settings_stations_cargo_page, STR_CONFIG_SETTING_STATIONS_CARGOHANDLING),
    01486   SettingEntry("station.adjacent_stations"),
    01487   SettingEntry("station.distant_join_stations"),
    01488   SettingEntry("station.station_spread"),
    01489   SettingEntry("economy.station_noise_level"),
    01490   SettingEntry("station.modified_catchment"),
    01491   SettingEntry("construction.road_stop_on_town_road"),
    01492   SettingEntry("construction.road_stop_on_competitor_road"),
    01493 };
    01495 static SettingsPage _settings_stations_page = {_settings_stations, lengthof(_settings_stations)};
    01496
    01497 static SettingEntry _settings_economy_towns[] = {
    01498   SettingEntry("economy.bribe"),
    01499   SettingEntry("economy.exclusive_rights"),
    01500   SettingEntry("economy.fund_roads"),
    01501   SettingEntry("economy.fund_buildings"),
    01502   SettingEntry("economy.town_layout"),
    01503   SettingEntry("economy.allow_town_roads"),
    01504   SettingEntry("economy.allow_town_level_crossings"),
    01505   SettingEntry("economy.found_town"),
    01506   SettingEntry("economy.mod_road_rebuild"),
    01507   SettingEntry("economy.town_growth_rate"),
    01508   SettingEntry("economy.larger_towns"),
    01509   SettingEntry("economy.initial_city_size"),
    01510 };
    01512 static SettingsPage _settings_economy_towns_page = {_settings_economy_towns, lengthof(_settings_economy_towns)};
    01513
    01514 static SettingEntry _settings_economy_industries[] = {
    01515   SettingEntry("construction.raw_industry_construction"),
    01516   SettingEntry("construction.industry_platform"),
    01517   SettingEntry("economy.multiple_industry_per_town"),
    01518   SettingEntry("game_creation.oil_refinery_limit"),
    01519 };
    01521 static SettingsPage _settings_economy_industries_page = {_settings_economy_industries, lengthof(_settings_economy_industries)};
    01522
    01523 static SettingEntry _settings_economy_scripts[] = {
    01524   SettingEntry("script.script_max_opcode_till_suspend"),
    01525 };
    01527 static SettingsPage _settings_economy_scripts_page = {_settings_economy_scripts, lengthof(_settings_economy_scripts)};
    01528
    01529 static SettingEntry _settings_economy[] = {
    01530   SettingEntry(&_settings_economy_towns_page, STR_CONFIG_SETTING_ECONOMY_TOWNS),
    01531   SettingEntry(&_settings_economy_industries_page, STR_CONFIG_SETTING_ECONOMY_INDUSTRIES),
    01532   SettingEntry(&_settings_economy_scripts_page, STR_CONFIG_SETTING_ECONOMY_SCRIPTS),
    01533   SettingEntry("economy.inflation"),
    01534   SettingEntry("economy.smooth_economy"),
    01535   SettingEntry("economy.feeder_payment_share"),
    01536   SettingEntry("economy.infrastructure_maintenance"),
    01537 };
    01539 static SettingsPage _settings_economy_page = {_settings_economy, lengthof(_settings_economy)};
    01540
    01541 static SettingEntry _settings_linkgraph[] = {
    01542   SettingEntry("linkgraph.recalc_interval"),
    01543   SettingEntry("linkgraph.distribution_pax"),
    01544   SettingEntry("linkgraph.distribution_mail"),
    01545   SettingEntry("linkgraph.distribution_armoured"),
    01546   SettingEntry("linkgraph.distribution_default"),
    01547   SettingEntry("linkgraph.accuracy"),
    01548   SettingEntry("linkgraph.demand_distance"),
    01549   SettingEntry("linkgraph.demand_size"),
    01550   SettingEntry("linkgraph.short_path_saturation"),
    01551 };
    01553 static SettingsPage _settings_linkgraph_page = {_settings_linkgraph, lengthof(_settings_linkgraph)};
    01554
    01555 static SettingEntry _settings_ai_npc[] = {
    01556   SettingEntry("ai.ai_in_multiplayer"),
    01557   SettingEntry("ai.ai_disable_veh_train"),
    01558   SettingEntry("ai.ai_disable_veh_roadveh"),
    01559   SettingEntry("ai.ai_disable_veh_aircraft"),
    01560   SettingEntry("ai.ai_disable_veh_ship"),
    01561 };
    01563 static SettingsPage _settings_ai_npc_page = {_settings_ai_npc, lengthof(_settings_ai_npc)};
    01564
    01565 static SettingEntry _settings_ai[] = {
    01566   SettingEntry(&_settings_ai_npc_page, STR_CONFIG_SETTING_AI_NPC),
    01567   SettingEntry("economy.give_money"),
    01568   SettingEntry("economy.allow_shares"),
    01569 };
    01571 static SettingsPage _settings_ai_page = {_settings_ai, lengthof(_settings_ai)};
    01572
    01573 static SettingEntry _settings_vehicles_routing[] = {
    01574   SettingEntry("pf.pathfinder_for_trains"),
    01575   SettingEntry("pf.forbid_90_deg"),
    01576   SettingEntry("pf.pathfinder_for_roadvehs"),
    01577   SettingEntry("pf.roadveh_queue"),
    01578   SettingEntry("pf.pathfinder_for_ships"),
    01579 };
    01581 static SettingsPage _settings_vehicles_routing_page = {_settings_vehicles_routing, lengthof(_settings_vehicles_routing)};
    01582
    01583 static SettingEntry _settings_vehicles_autorenew[] = {
    01584   SettingEntry("company.engine_renew"),
    01585   SettingEntry("company.engine_renew_months"),
    01586   SettingEntry("company.engine_renew_money"),
    01587 };
    01589 static SettingsPage _settings_vehicles_autorenew_page = {_settings_vehicles_autorenew, lengthof(_settings_vehicles_autorenew)};
    01590
    01591 static SettingEntry _settings_vehicles_servicing[] = {
    01592   SettingEntry("vehicle.servint_ispercent"),
    01593   SettingEntry("vehicle.servint_trains"),
    01594   SettingEntry("vehicle.servint_roadveh"),
    01595   SettingEntry("vehicle.servint_ships"),
    01596   SettingEntry("vehicle.servint_aircraft"),
    01597   SettingEntry("order.no_servicing_if_no_breakdowns"),
    01598   SettingEntry("order.serviceathelipad"),
    01599 };
    01601 static SettingsPage _settings_vehicles_servicing_page = {_settings_vehicles_servicing, lengthof(_settings_vehicles_servicing)};
    01602
    01603 static SettingEntry _settings_vehicles_trains[] = {
    01604   SettingEntry("pf.reverse_at_signals"),
    01605   SettingEntry("vehicle.train_acceleration_model"),
    01606   SettingEntry("vehicle.train_slope_steepness"),
    01607   SettingEntry("vehicle.max_train_length"),
    01608   SettingEntry("vehicle.wagon_speed_limits"),
    01609   SettingEntry("vehicle.disable_elrails"),
    01610   SettingEntry("vehicle.freight_trains"),
    01611   SettingEntry("gui.stop_location"),
    01612 };
    01614 static SettingsPage _settings_vehicles_trains_page = {_settings_vehicles_trains, lengthof(_settings_vehicles_trains)};
    01615
    01616 static SettingEntry _settings_vehicles[] = {
    01617   SettingEntry(&_settings_vehicles_routing_page, STR_CONFIG_SETTING_VEHICLES_ROUTING),
    01618   SettingEntry(&_settings_vehicles_autorenew_page, STR_CONFIG_SETTING_VEHICLES_AUTORENEW),
    01619   SettingEntry(&_settings_vehicles_servicing_page, STR_CONFIG_SETTING_VEHICLES_SERVICING),
    01620   SettingEntry(&_settings_vehicles_trains_page, STR_CONFIG_SETTING_VEHICLES_TRAINS),
    01621   SettingEntry("gui.new_nonstop"),
    01622   SettingEntry("gui.order_review_system"),
    01623   SettingEntry("gui.vehicle_income_warn"),
    01624   SettingEntry("gui.lost_vehicle_warn"),
    01625   SettingEntry("vehicle.never_expire_vehicles"),
    01626   SettingEntry("vehicle.max_trains"),
    01627   SettingEntry("vehicle.max_roadveh"),
    01628   SettingEntry("vehicle.max_aircraft"),
    01629   SettingEntry("vehicle.max_ships"),
    01630   SettingEntry("vehicle.plane_speed"),
    01631   SettingEntry("vehicle.plane_crashes"),
    01632   SettingEntry("vehicle.dynamic_engines"),
    01633   SettingEntry("vehicle.roadveh_acceleration_model"),
    01634   SettingEntry("vehicle.roadveh_slope_steepness"),
    01635   SettingEntry("vehicle.smoke_amount"),
    01636 };
    01638 static SettingsPage _settings_vehicles_page = {_settings_vehicles, lengthof(_settings_vehicles)};
    01639
    01640 static SettingEntry _settings_main[] = {
    01641   SettingEntry(&_settings_ui_page,           STR_CONFIG_SETTING_GUI),
    01642   SettingEntry(&_settings_construction_page, STR_CONFIG_SETTING_CONSTRUCTION),
    01643   SettingEntry(&_settings_vehicles_page,     STR_CONFIG_SETTING_VEHICLES),
    01644   SettingEntry(&_settings_stations_page,     STR_CONFIG_SETTING_STATIONS),
    01645   SettingEntry(&_settings_economy_page,      STR_CONFIG_SETTING_ECONOMY),
    01646   SettingEntry(&_settings_linkgraph_page,    STR_CONFIG_SETTING_LINKGRAPH),
    01647   SettingEntry(&_settings_ai_page,           STR_CONFIG_SETTING_AI),
    01648 };
    01649
    01651 static SettingsPage _settings_main_page = {_settings_main, lengthof(_settings_main)};
    01652
    01653 struct GameSettingsWindow : Window {
    01654   static const int SETTINGTREE_LEFT_OFFSET   = 5;
    01655   static const int SETTINGTREE_RIGHT_OFFSET  = 5;
    01656   static const int SETTINGTREE_TOP_OFFSET    = 5;
    01657   static const int SETTINGTREE_BOTTOM_OFFSET = 5;
    01658
    01659   static GameSettings *settings_ptr;
    01660
    01661   SettingEntry *valuewindow_entry;
    01662   SettingEntry *clicked_entry;
    01663
    01664   Scrollbar *vscroll;
    01665
    01666   GameSettingsWindow(const WindowDesc *desc) : Window()
    01667   {
    01668     static bool first_time = true;
    01669
    01670     settings_ptr = &GetGameSettings();
    01671
    01672     /* Build up the dynamic settings-array only once per OpenTTD session */
    01673     if (first_time) {
    01674       _settings_main_page.Init();
    01675       first_time = false;
    01676     } else {
    01677       _settings_main_page.FoldAll(); // Close all sub-pages
    01678     }
    01679
    01680     this->valuewindow_entry = NULL; // No setting entry for which a entry window is opened
    01681     this->clicked_entry = NULL; // No numeric setting buttons are depressed
    01682
    01683     this->CreateNestedTree(desc);
    01684     this->vscroll = this->GetScrollbar(WID_GS_SCROLLBAR);
    01685     this->FinishInitNested(desc, WN_GAME_OPTIONS_GAME_SETTINGS);
    01686
    01687     this->vscroll->SetCount(_settings_main_page.Length());
    01688   }
    01689
    01690   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01691   {
    01692     if (widget != WID_GS_OPTIONSPANEL) return;
    01693
    01694     resize->height = SETTING_HEIGHT = max(11, FONT_HEIGHT_NORMAL + 1);
    01695     resize->width  = 1;
    01696
    01697     size->height = 5 * resize->height + SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET;
    01698   }
    01699
    01700   virtual void DrawWidget(const Rect &r, int widget) const
    01701   {
    01702     if (widget != WID_GS_OPTIONSPANEL) return;
    01703
    01704     _settings_main_page.Draw(settings_ptr, r.left + SETTINGTREE_LEFT_OFFSET, r.right - SETTINGTREE_RIGHT_OFFSET, r.top + SETTINGTREE_TOP_OFFSET,
    01705         this->vscroll->GetPosition(), this->vscroll->GetPosition() + this->vscroll->GetCapacity());
    01706   }
    01707
    01708   virtual void OnClick(Point pt, int widget, int click_count)
    01709   {
    01710     if (widget != WID_GS_OPTIONSPANEL) return;
    01711
    01712     uint btn = this->vscroll->GetScrolledRowFromWidget(pt.y, this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET - 1);
    01713     if (btn == INT_MAX) return;
    01714
    01715     uint cur_row = 0;
    01716     SettingEntry *pe = _settings_main_page.FindEntry(btn, &cur_row);
    01717
    01718     if (pe == NULL) return;  // Clicked below the last setting of the page
    01719
    01720     int x = (_current_text_dir == TD_RTL ? this->width - pt.x : pt.x) - SETTINGTREE_LEFT_OFFSET - (pe->level + 1) * LEVEL_WIDTH;  // Shift x coordinate
    01721     if (x < 0) return;  // Clicked left of the entry
    01722
    01723     if ((pe->flags & SEF_KIND_MASK) == SEF_SUBTREE_KIND) {
    01724       pe->d.sub.folded = !pe->d.sub.folded; // Flip 'folded'-ness of the sub-page
    01725
    01726       this->vscroll->SetCount(_settings_main_page.Length());
    01727       this->SetDirty();
    01728       return;
    01729     }
    01730
    01731     assert((pe->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01732     const SettingDesc *sd = pe->d.entry.setting;
    01733
    01734     /* return if action is only active in network, or only settable by server */
    01735     if (!(sd->save.conv & SLF_NO_NETWORK_SYNC) && _networking && !_network_server && !(sd->desc.flags & SGF_PER_COMPANY)) return;
    01736     if ((sd->desc.flags & SGF_NETWORK_ONLY) && !_networking) return;
    01737     if ((sd->desc.flags & SGF_NO_NETWORK) && _networking) return;
    01738
    01739     const void *var = ResolveVariableAddress(settings_ptr, sd);
    01740     int32 value = (int32)ReadValue(var, sd->save.conv);
    01741
    01742     /* clicked on the icon on the left side. Either scroller or bool on/off */
    01743     if (x < 21) {
    01744       const SettingDescBase *sdb = &sd->desc;
    01745       int32 oldvalue = value;
    01746
    01747       switch (sdb->cmd) {
    01748         case SDT_BOOLX: value ^= 1; break;
    01749         case SDT_ONEOFMANY:
    01750         case SDT_NUMX: {
    01751           /* Add a dynamic step-size to the scroller. In a maximum of
    01752            * 50-steps you should be able to get from min to max,
    01753            * unless specified otherwise in the 'interval' variable
    01754            * of the current setting. */
    01755           uint32 step = (sdb->interval == 0) ? ((sdb->max - sdb->min) / 50) : sdb->interval;
    01756           if (step == 0) step = 1;
    01757
    01758           /* don't allow too fast scrolling */
    01759           if ((this->flags & WF_TIMEOUT) && this->timeout_timer > 1) {
    01760             _left_button_clicked = false;
    01761             return;
    01762           }
    01763
    01764           /* Increase or decrease the value and clamp it to extremes */
    01765           if (x >= 10) {
    01766             value += step;
    01767             if (sdb->min < 0) {
    01768               assert((int32)sdb->max >= 0);
    01769               if (value > (int32)sdb->max) value = (int32)sdb->max;
    01770             } else {
    01771               if ((uint32)value > sdb->max) value = (int32)sdb->max;
    01772             }
    01773             if (value < sdb->min) value = sdb->min; // skip between "disabled" and minimum
    01774           } else {
    01775             value -= step;
    01776             if (value < sdb->min) value = (sdb->flags & SGF_0ISDISABLED) ? 0 : sdb->min;
    01777           }
    01778
    01779           /* Set up scroller timeout for numeric values */
    01780           if (value != oldvalue && !(sd->desc.flags & SGF_MULTISTRING)) {
    01781             if (this->clicked_entry != NULL) { // Release previous buttons if any
    01782               this->clicked_entry->SetButtons(0);
    01783             }
    01784             this->clicked_entry = pe;
    01785             this->clicked_entry->SetButtons((x >= 10) != (_current_text_dir == TD_RTL) ? SEF_RIGHT_DEPRESSED : SEF_LEFT_DEPRESSED);
    01786             this->SetTimeout();
    01787             _left_button_clicked = false;
    01788           }
    01789           break;
    01790         }
    01791
    01792         default: NOT_REACHED();
    01793       }
    01794
    01795       if (value != oldvalue) {
    01796         if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    01797           SetCompanySetting(pe->d.entry.index, value);
    01798         } else {
    01799           SetSettingValue(pe->d.entry.index, value);
    01800         }
    01801         this->SetDirty();
    01802       }
    01803     } else {
    01804       /* only open editbox for types that its sensible for */
    01805       if (sd->desc.cmd != SDT_BOOLX && !(sd->desc.flags & SGF_MULTISTRING)) {
    01806         /* Show the correct currency-translated value */
    01807         if (sd->desc.flags & SGF_CURRENCY) value *= _currency->rate;
    01808
    01809         this->valuewindow_entry = pe;
    01810         SetDParam(0, value);
    01811         ShowQueryString(STR_JUST_INT, STR_CONFIG_SETTING_QUERY_CAPTION, 10, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
    01812       }
    01813     }
    01814   }
    01815
    01816   virtual void OnTimeout()
    01817   {
    01818     if (this->clicked_entry != NULL) { // On timeout, release any depressed buttons
    01819       this->clicked_entry->SetButtons(0);
    01820       this->clicked_entry = NULL;
    01821       this->SetDirty();
    01822     }
    01823   }
    01824
    01825   virtual void OnQueryTextFinished(char *str)
    01826   {
    01827     /* The user pressed cancel */
    01828     if (str == NULL) return;
    01829
    01830     assert(this->valuewindow_entry != NULL);
    01831     assert((this->valuewindow_entry->flags & SEF_KIND_MASK) == SEF_SETTING_KIND);
    01832     const SettingDesc *sd = this->valuewindow_entry->d.entry.setting;
    01833
    01834     int32 value;
    01835     if (!StrEmpty(str)) {
    01836       value = atoi(str);
    01837
    01838       /* Save the correct currency-translated value */
    01839       if (sd->desc.flags & SGF_CURRENCY) value /= _currency->rate;
    01840     } else {
    01841       value = (int32)(size_t)sd->desc.def;
    01842     }
    01843
    01844     if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
    01845       SetCompanySetting(this->valuewindow_entry->d.entry.index, value);
    01846     } else {
    01847       SetSettingValue(this->valuewindow_entry->d.entry.index, value);
    01848     }
    01849     this->SetDirty();
    01850   }
    01851
    01852   virtual void OnResize()
    01853   {
    01854     this->vscroll->SetCapacityFromWidget(this, WID_GS_OPTIONSPANEL, SETTINGTREE_TOP_OFFSET + SETTINGTREE_BOTTOM_OFFSET);
    01855   }
    01856 };
    01857
    01858 GameSettings *GameSettingsWindow::settings_ptr = NULL;
    01859
    01860 static const NWidgetPart _nested_settings_selection_widgets[] = {
    01861   NWidget(NWID_HORIZONTAL),
    01862     NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
    01863     NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_CONFIG_SETTING_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    01864   EndContainer(),
    01865   NWidget(NWID_HORIZONTAL),
    01866     NWidget(WWT_PANEL, COLOUR_MAUVE, WID_GS_OPTIONSPANEL), SetMinimalSize(400, 174), SetScrollbar(WID_GS_SCROLLBAR), EndContainer(),
    01867     NWidget(NWID_VERTICAL),
    01868       NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_GS_SCROLLBAR),
    01869       NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
    01870     EndContainer(),
    01871   EndContainer(),
    01872 };
    01873
    01874 static const WindowDesc _settings_selection_desc(
    01875   WDP_CENTER, 450, 397,
    01876   WC_GAME_OPTIONS, WC_NONE,
    01877   0,
    01878   _nested_settings_selection_widgets, lengthof(_nested_settings_selection_widgets)
    01879 );
    01880
    01882 void ShowGameSettings()
    01883 {
    01884   DeleteWindowByClass(WC_GAME_OPTIONS);
    01885   new GameSettingsWindow(&_settings_selection_desc);
    01886 }
    01887
    01888
    01898 void DrawArrowButtons(int x, int y, Colours button_colour, byte state, bool clickable_left, bool clickable_right)
    01899 {
    01900   int colour = _colour_gradient[button_colour][2];
    01901
    01902   DrawFrameRect(x,      y + 1, x +  9, y + 9, button_colour, (state == 1) ? FR_LOWERED : FR_NONE);
    01903   DrawFrameRect(x + 10, y + 1, x + 19, y + 9, button_colour, (state == 2) ? FR_LOWERED : FR_NONE);
    01904   DrawSprite(SPR_ARROW_LEFT, PAL_NONE, x + WD_IMGBTN_LEFT, y + WD_IMGBTN_TOP);
    01905   DrawSprite(SPR_ARROW_RIGHT, PAL_NONE, x + WD_IMGBTN_LEFT + 10, y + WD_IMGBTN_TOP);
    01906
    01907   /* Grey out the buttons that aren't clickable */
    01908   bool rtl = _current_text_dir == TD_RTL;
    01909   if (rtl ? !clickable_right : !clickable_left) {
    01910     GfxFillRect(x +  1, y + 1, x +  1 + 8, y + 8, colour, FILLRECT_CHECKER);
    01911   }
    01912   if (rtl ? !clickable_left : !clickable_right) {
    01913     GfxFillRect(x + 11, y + 1, x + 11 + 8, y + 8, colour, FILLRECT_CHECKER);
    01914   }
    01915 }
    01916
    01924 void DrawBoolButton(int x, int y, bool state, bool clickable)
    01925 {
    01926   static const Colours _bool_ctabs[2][2] = {{COLOUR_CREAM, COLOUR_RED}, {COLOUR_DARK_GREEN, COLOUR_GREEN}};
    01927   DrawFrameRect(x, y + 1, x + 19, y + 9, _bool_ctabs[state][clickable], state ? FR_LOWERED : FR_NONE);
    01928 }
    01929
    01930 struct CustomCurrencyWindow : Window {
    01931   int query_widget;
    01932
    01933   CustomCurrencyWindow(const WindowDesc *desc) : Window()
    01934   {
    01935     this->InitNested(desc);
    01936
    01937     SetButtonState();
    01938   }
    01939
    01940   void SetButtonState()
    01941   {
    01942     this->SetWidgetDisabledState(WID_CC_RATE_DOWN, _custom_currency.rate == 1);
    01943     this->SetWidgetDisabledState(WID_CC_RATE_UP, _custom_currency.rate == UINT16_MAX);
    01944     this->SetWidgetDisabledState(WID_CC_YEAR_DOWN, _custom_currency.to_euro == CF_NOEURO);
    01945     this->SetWidgetDisabledState(WID_CC_YEAR_UP, _custom_currency.to_euro == MAX_YEAR);
    01946   }
    01947
    01948   virtual void SetStringParameters(int widget) const
    01949   {
    01950     switch (widget) {
    01951       case WID_CC_RATE:      SetDParam(0, 1); SetDParam(1, 1);            break;
    01952       case WID_CC_SEPARATOR: SetDParamStr(0, _custom_currency.separator); break;
    01953       case WID_CC_PREFIX:    SetDParamStr(0, _custom_currency.prefix);    break;
    01954       case WID_CC_SUFFIX:    SetDParamStr(0, _custom_currency.suffix);    break;
    01955       case WID_CC_YEAR:
    01956         SetDParam(0, (_custom_currency.to_euro != CF_NOEURO) ? STR_CURRENCY_SWITCH_TO_EURO : STR_CURRENCY_SWITCH_TO_EURO_NEVER);
    01957         SetDParam(1, _custom_currency.to_euro);
    01958         break;
    01959
    01960       case WID_CC_PREVIEW:
    01961         SetDParam(0, 10000);
    01962         break;
    01963     }
    01964   }
    01965
    01966   virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
    01967   {
    01968     switch (widget) {
    01969       /* Set the appropriate width for the edit 'buttons' */
    01970       case WID_CC_SEPARATOR_EDIT:
    01971       case WID_CC_PREFIX_EDIT:
    01972       case WID_CC_SUFFIX_EDIT:
    01973         size->width  = this->GetWidget<NWidgetBase>(WID_CC_RATE_DOWN)->smallest_x + this->GetWidget<NWidgetBase>(WID_CC_RATE_UP)->smallest_x;
    01974         break;
    01975
    01976       /* Make sure the window is wide enough for the widest exchange rate */
    01977       case WID_CC_RATE:
    01978         SetDParam(0, 1);
    01979         SetDParam(1, INT32_MAX);
    01980         *size = GetStringBoundingBox(STR_CURRENCY_EXCHANGE_RATE);
    01981         break;
    01982     }
    01983   }
    01984
    01985   virtual void OnClick(Point pt, int widget, int click_count)
    01986   {
    01987     int line = 0;
    01988     int len = 0;
    01989     StringID str = 0;
    01990     CharSetFilter afilter = CS_ALPHANUMERAL;
    01991
    01992     switch (widget) {
    01993       case WID_CC_RATE_DOWN:
    01994         if (_custom_currency.rate > 1) _custom_currency.rate--;
    01995         if (_custom_currency.rate == 1) this->DisableWidget(WID_CC_RATE_DOWN);
    01996         this->EnableWidget(WID_CC_RATE_UP);
    01997         break;
    01998
    01999       case WID_CC_RATE_UP:
    02000         if (_custom_currency.rate < UINT16_MAX) _custom_currency.rate++;
    02001         if (_custom_currency.rate == UINT16_MAX) this->DisableWidget(WID_CC_RATE_UP);
    02002         this->EnableWidget(WID_CC_RATE_DOWN);
    02003         break;
    02004
    02005       case WID_CC_RATE:
    02006         SetDParam(0, _custom_currency.rate);
    02007         str = STR_JUST_INT;
    02008         len = 5;
    02009         line = WID_CC_RATE;
    02010         afilter = CS_NUMERAL;
    02011         break;
    02012
    02013       case WID_CC_SEPARATOR_EDIT:
    02014       case WID_CC_SEPARATOR:
    02015         SetDParamStr(0, _custom_currency.separator);
    02016         str = STR_JUST_RAW_STRING;
    02017         len = 1;
    02018         line = WID_CC_SEPARATOR;
    02019         break;
    02020
    02021       case WID_CC_PREFIX_EDIT:
    02022       case WID_CC_PREFIX:
    02023         SetDParamStr(0, _custom_currency.prefix);
    02024         str = STR_JUST_RAW_STRING;
    02025         len = 12;
    02026         line = WID_CC_PREFIX;
    02027         break;
    02028
    02029       case WID_CC_SUFFIX_EDIT:
    02030       case WID_CC_SUFFIX:
    02031         SetDParamStr(0, _custom_currency.suffix);
    02032         str = STR_JUST_RAW_STRING;
    02033         len = 12;
    02034         line = WID_CC_SUFFIX;
    02035         break;
    02036
    02037       case WID_CC_YEAR_DOWN:
    02038         _custom_currency.to_euro = (_custom_currency.to_euro <= 2000) ? CF_NOEURO : _custom_currency.to_euro - 1;
    02039         if (_custom_currency.to_euro == CF_NOEURO) this->DisableWidget(WID_CC_YEAR_DOWN);
    02040         this->EnableWidget(WID_CC_YEAR_UP);
    02041         break;
    02042
    02043       case WID_CC_YEAR_UP:
    02044         _custom_currency.to_euro = Clamp(_custom_currency.to_euro + 1, 2000, MAX_YEAR);
    02045         if (_custom_currency.to_euro == MAX_YEAR) this->DisableWidget(WID_CC_YEAR_UP);
    02046         this->EnableWidget(WID_CC_YEAR_DOWN);
    02047         break;
    02048
    02049       case WID_CC_YEAR:
    02050         SetDParam(0, _custom_currency.to_euro);
    02051         str = STR_JUST_INT;
    02052         len = 7;
    02053         line = WID_CC_YEAR;
    02054         afilter = CS_NUMERAL;
    02055         break;
    02056     }
    02057
    02058     if (len != 0) {
    02059       this->query_widget = line;
    02060       ShowQueryString(str, STR_CURRENCY_CHANGE_PARAMETER, len + 1, this, afilter, QSF_NONE);
    02061     }
    02062
    02063     this->SetTimeout();
    02064     this->SetDirty();
    02065   }
    02066
    02067   virtual void OnQueryTextFinished(char *str)
    02068   {
    02069     if (str == NULL) return;
    02070
    02071     switch (this->query_widget) {
    02072       case WID_CC_RATE:
    02073         _custom_currency.rate = Clamp(atoi(str), 1, UINT16_MAX);
    02074         break;
    02075
    02076       case WID_CC_SEPARATOR: // Thousands seperator
    02077         strecpy(_custom_currency.separator, str, lastof(_custom_currency.separator));
    02078         break;
    02079
    02080       case WID_CC_PREFIX:
    02081         strecpy(_custom_currency.prefix, str, lastof(_custom_currency.prefix));
    02082         break;
    02083
    02084       case WID_CC_SUFFIX:
    02085         strecpy(_custom_currency.suffix, str, lastof(_custom_currency.suffix));
    02086         break;
    02087
    02088       case WID_CC_YEAR: { // Year to switch to euro
    02089         int val = atoi(str);
    02090
    02091         _custom_currency.to_euro = (val < 2000 ? CF_NOEURO : min(val, MAX_YEAR));
    02092         break;
    02093       }
    02094     }
    02095     MarkWholeScreenDirty();
    02096     SetButtonState();
    02097   }
    02098
    02099   virtual void OnTimeout()
    02100   {
    02101     this->SetDirty();
    02102   }
    02103 };
    02104
    02105 static const NWidgetPart _nested_cust_currency_widgets[] = {
    02106   NWidget(NWID_HORIZONTAL),
    02107     NWidget(WWT_CLOSEBOX, COLOUR_GREY),
    02108     NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CURRENCY_WINDOW, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    02109   EndContainer(),
    02110   NWidget(WWT_PANEL, COLOUR_GREY),
    02111     NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(7, 3, 0),
    02112       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02113         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_EXCHANGE_RATE_TOOLTIP),
    02114         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_RATE_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_EXCHANGE_RATE_TOOLTIP),
    02115         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02116         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_RATE), SetDataTip(STR_CURRENCY_EXCHANGE_RATE, STR_CURRENCY_SET_EXCHANGE_RATE_TOOLTIP), SetFill(1, 0),
    02117       EndContainer(),
    02118       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02119         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SEPARATOR_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(0, 1),
    02120         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02121         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SEPARATOR), SetDataTip(STR_CURRENCY_SEPARATOR, STR_CURRENCY_SET_CUSTOM_CURRENCY_SEPARATOR_TOOLTIP), SetFill(1, 0),
    02122       EndContainer(),
    02123       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02124         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_PREFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(0, 1),
    02125         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02126         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_PREFIX), SetDataTip(STR_CURRENCY_PREFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_PREFIX_TOOLTIP), SetFill(1, 0),
    02127       EndContainer(),
    02128       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02129         NWidget(WWT_PUSHBTN, COLOUR_DARK_BLUE, WID_CC_SUFFIX_EDIT), SetDataTip(0x0, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(0, 1),
    02130         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02131         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_SUFFIX), SetDataTip(STR_CURRENCY_SUFFIX, STR_CURRENCY_SET_CUSTOM_CURRENCY_SUFFIX_TOOLTIP), SetFill(1, 0),
    02132       EndContainer(),
    02133       NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 5),
    02134         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_DOWN), SetDataTip(AWV_DECREASE, STR_CURRENCY_DECREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
    02135         NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_CC_YEAR_UP), SetDataTip(AWV_INCREASE, STR_CURRENCY_INCREASE_CUSTOM_CURRENCY_TO_EURO_TOOLTIP),
    02136         NWidget(NWID_SPACER), SetMinimalSize(5, 0),
    02137         NWidget(WWT_TEXT, COLOUR_BLUE, WID_CC_YEAR), SetDataTip(STR_JUST_STRING, STR_CURRENCY_SET_CUSTOM_CURRENCY_TO_EURO_TOOLTIP), SetFill(1, 0),
    02138       EndContainer(),
    02139     EndContainer(),
    02140     NWidget(WWT_LABEL, COLOUR_BLUE, WID_CC_PREVIEW),
    02141                 SetDataTip(STR_CURRENCY_PREVIEW, STR_CURRENCY_CUSTOM_CURRENCY_PREVIEW_TOOLTIP), SetPadding(15, 1, 18, 2),
    02142   EndContainer(),
    02143 };
    02144
    02145 static const WindowDesc _cust_currency_desc(
    02146   WDP_CENTER, 0, 0,
    02147   WC_CUSTOM_CURRENCY, WC_NONE,
    02148   WDF_UNCLICK_BUTTONS,
    02149   _nested_cust_currency_widgets, lengthof(_nested_cust_currency_widgets)
    02150 );
    02151
    02153 static void ShowCustCurrency()
    02154 {
    02155   DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
    02156   new CustomCurrencyWindow(&_cust_currency_desc);
    02157 }