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/* $Id$ */

     2

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/** @file settings_gui.cpp GUI for settings. */

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     5

#include "stdafx.h"

     6

#include "openttd.h"

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#include "currency.h"

     8

#include "gui.h"

     9

#include "window_gui.h"

    10

#include "textbuf_gui.h"

    11

#include "command_func.h"

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#include "engine_func.h"

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#include "screenshot.h"

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#include "newgrf.h"

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#include "network/network.h"

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#include "town.h"

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#include "variables.h"

    18

#include "settings_internal.h"

    19

#include "newgrf_townname.h"

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#include "strings_func.h"

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#include "functions.h"

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#include "window_func.h"

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#include "core/alloc_func.hpp"

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#include "string_func.h"

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#include "gfx_func.h"

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#include "waypoint.h"

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#include "widgets/dropdown_type.h"

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#include "widgets/dropdown_func.h"

    29

#include "station_func.h"

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#include <map>

    31

    32

#include "table/sprites.h"

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#include "table/strings.h"

    34

    35

static const StringID _units_dropdown[] = {

    36

	STR_UNITS_IMPERIAL,

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	STR_UNITS_METRIC,

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	STR_UNITS_SI,

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	INVALID_STRING_ID

    40

};

    41

    42

static const StringID _driveside_dropdown[] = {

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	STR_02E9_DRIVE_ON_LEFT,

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	STR_02EA_DRIVE_ON_RIGHT,

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	INVALID_STRING_ID

    46

};

    47

    48

static const StringID _autosave_dropdown[] = {

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	STR_02F7_OFF,

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	STR_AUTOSAVE_1_MONTH,

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	STR_02F8_EVERY_3_MONTHS,

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	STR_02F9_EVERY_6_MONTHS,

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	STR_02FA_EVERY_12_MONTHS,

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	INVALID_STRING_ID,

    55

};

    56

    57

static const StringID _designnames_dropdown[] = {

    58

	STR_02BE_DEFAULT,

    59

	STR_02BF_CUSTOM,

    60

	INVALID_STRING_ID

    61

};

    62

    63

static StringID *BuildDynamicDropdown(StringID base, int num)

    64

{

    65

	static StringID buf[32 + 1];

    66

	StringID *p = buf;

    67

	while (--num >= 0) *p++ = base++;

    68

	*p = INVALID_STRING_ID;

    69

	return buf;

    70

}

    71

    72

int _nb_orig_names = SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1;

    73

static StringID *_grf_names = NULL;

    74

static int _nb_grf_names = 0;

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    76

void InitGRFTownGeneratorNames()

    77

{

    78

	free(_grf_names);

    79

	_grf_names = GetGRFTownNameList();

    80

	_nb_grf_names = 0;

    81

	for (StringID *s = _grf_names; *s != INVALID_STRING_ID; s++) _nb_grf_names++;

    82

}

    83

    84

static inline StringID TownName(int town_name)

    85

{

    86

	if (town_name < _nb_orig_names) return STR_TOWNNAME_ORIGINAL_ENGLISH + town_name;

    87

	town_name -= _nb_orig_names;

    88

	if (town_name < _nb_grf_names) return _grf_names[town_name];

    89

	return STR_UNDEFINED;

    90

}

    91

    92

static int GetCurRes()

    93

{

    94

	int i;

    95

    96

	for (i = 0; i != _num_resolutions; i++) {

    97

		if (_resolutions[i].width == _screen.width &&

    98

				_resolutions[i].height == _screen.height) {

    99

			break;

   100

		}

   101

	}

   102

	return i;

   103

}

   104

   105

enum GameOptionsWidgets {

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	GAMEOPT_CURRENCY_BTN    =  4,

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	GAMEOPT_DISTANCE_BTN    =  6,

   108

	GAMEOPT_ROADSIDE_BTN    =  8,

   109

	GAMEOPT_TOWNNAME_BTN    = 10,

   110

	GAMEOPT_AUTOSAVE_BTN    = 12,

   111

	GAMEOPT_VEHICLENAME_BTN = 14,

   112

	GAMEOPT_VEHICLENAME_SAVE,

   113

	GAMEOPT_LANG_BTN        = 17,

   114

	GAMEOPT_RESOLUTION_BTN  = 19,

   115

	GAMEOPT_FULLSCREEN,

   116

	GAMEOPT_SCREENSHOT_BTN  = 22,

   117

};

   118

   119

/**

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 * Update/redraw the townnames dropdown

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 * @param w   the window the dropdown belongs to

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 * @param sel the currently selected townname generator

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 */

   124

static void ShowTownnameDropdown(Window *w, int sel)

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{

   126

	typedef std::map<StringID, int, StringIDCompare> TownList;

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	TownList townnames;

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   129

	/* Add and sort original townnames generators */

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	for (int i = 0; i < _nb_orig_names; i++) townnames[STR_TOWNNAME_ORIGINAL_ENGLISH + i] = i;

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   132

	/* Add and sort newgrf townnames generators */

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	for (int i = 0; i < _nb_grf_names; i++) townnames[_grf_names[i]] = _nb_orig_names + i;

   134

   135

	DropDownList *list = new DropDownList();

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	for (TownList::iterator it = townnames.begin(); it != townnames.end(); it++) {

   137

		list->push_back(new DropDownListStringItem((*it).first, (*it).second, !(_game_mode == GM_MENU || GetNumTowns() == 0 || (*it).second == sel)));

   138

	}

   139

   140

	ShowDropDownList(w, list, sel, GAMEOPT_TOWNNAME_BTN);

   141

}

   142

   143

static void ShowCustCurrency();

   144

   145

struct GameOptionsWindow : Window {

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	GameSettings *opt;

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   148

	GameOptionsWindow(const WindowDesc *desc) : Window(desc)

   149

	{

   150

		this->opt = (_game_mode == GM_MENU) ? &_settings_newgame : &_settings_game;

   151

		this->FindWindowPlacementAndResize(desc);

   152

	}

   153

   154

	~GameOptionsWindow()

   155

	{

   156

		DeleteWindowById(WC_CUSTOM_CURRENCY, 0);

   157

	}

   158

   159

	virtual void OnPaint()

   160

	{

   161

		StringID str = STR_02BE_DEFAULT;

   162

   163

		this->SetWidgetDisabledState(GAMEOPT_VEHICLENAME_SAVE, !(_vehicle_design_names & 1));

   164

		if (!this->IsWidgetDisabled(GAMEOPT_VEHICLENAME_SAVE)) str = STR_02BF_CUSTOM;

   165

		SetDParam(0, str);

   166

		SetDParam(1, _currency_specs[this->opt->locale.currency].name);

   167

		SetDParam(2, STR_UNITS_IMPERIAL + this->opt->locale.units);

   168

		SetDParam(3, STR_02E9_DRIVE_ON_LEFT + this->opt->vehicle.road_side);

   169

		SetDParam(4, TownName(this->opt->game_creation.town_name));

   170

		SetDParam(5, _autosave_dropdown[_settings_client.gui.autosave]);

   171

		SetDParam(6, SPECSTR_LANGUAGE_START + _dynlang.curr);

   172

		int i = GetCurRes();

   173

		SetDParam(7, i == _num_resolutions ? STR_RES_OTHER : SPECSTR_RESOLUTION_START + i);

   174

		SetDParam(8, SPECSTR_SCREENSHOT_START + _cur_screenshot_format);

   175

		this->SetWidgetLoweredState(GAMEOPT_FULLSCREEN, _fullscreen);

   176

   177

		this->DrawWidgets();

   178

		DrawString(20, 175, STR_OPTIONS_FULLSCREEN, TC_FROMSTRING); // fullscreen

   179

	}

   180

   181

	virtual void OnClick(Point pt, int widget)

   182

	{

   183

		switch (widget) {

   184

			case GAMEOPT_CURRENCY_BTN: // Setup currencies dropdown

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				ShowDropDownMenu(this, BuildCurrencyDropdown(), this->opt->locale.currency, GAMEOPT_CURRENCY_BTN, _game_mode == GM_MENU ? 0 : ~GetMaskOfAllowedCurrencies(), 0);

   186

				break;

   187

   188

			case GAMEOPT_DISTANCE_BTN: // Setup distance unit dropdown

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				ShowDropDownMenu(this, _units_dropdown, this->opt->locale.units, GAMEOPT_DISTANCE_BTN, 0, 0);

   190

				break;

   191

   192

			case GAMEOPT_ROADSIDE_BTN: { // Setup road-side dropdown

   193

				int i = 0;

   194

				extern bool RoadVehiclesAreBuilt();

   195

   196

				/* You can only change the drive side if you are in the menu or ingame with

   197

				 * no vehicles present. In a networking game only the server can change it */

   198

				if ((_game_mode != GM_MENU && RoadVehiclesAreBuilt()) || (_networking && !_network_server)) {

   199

					i = (-1) ^ (1 << this->opt->vehicle.road_side); // disable the other value

   200

				}

   201

   202

				ShowDropDownMenu(this, _driveside_dropdown, this->opt->vehicle.road_side, GAMEOPT_ROADSIDE_BTN, i, 0);

   203

			} break;

   204

   205

			case GAMEOPT_TOWNNAME_BTN: // Setup townname dropdown

   206

				ShowTownnameDropdown(this, this->opt->game_creation.town_name);

   207

				break;

   208

   209

			case GAMEOPT_AUTOSAVE_BTN: // Setup autosave dropdown

   210

				ShowDropDownMenu(this, _autosave_dropdown, _settings_client.gui.autosave, GAMEOPT_AUTOSAVE_BTN, 0, 0);

   211

				break;

   212

   213

			case GAMEOPT_VEHICLENAME_BTN: // Setup customized vehicle-names dropdown

   214

				ShowDropDownMenu(this, _designnames_dropdown, (_vehicle_design_names & 1) ? 1 : 0, GAMEOPT_VEHICLENAME_BTN, (_vehicle_design_names & 2) ? 0 : 2, 0);

   215

				break;

   216

   217

			case GAMEOPT_VEHICLENAME_SAVE: // Save customized vehicle-names to disk

   218

				break;  // not implemented

   219

   220

			case GAMEOPT_LANG_BTN: { // Setup interface language dropdown

   221

				typedef std::map<StringID, int, StringIDCompare> LangList;

   222

   223

				/* Sort language names */

   224

				LangList langs;

   225

				for (int i = 0; i < _dynlang.num; i++) langs[SPECSTR_LANGUAGE_START + i] = i;

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   227

				DropDownList *list = new DropDownList();

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				for (LangList::iterator it = langs.begin(); it != langs.end(); it++) {

   229

					list->push_back(new DropDownListStringItem((*it).first, (*it).second, false));

   230

				}

   231

   232

				ShowDropDownList(this, list, _dynlang.curr, GAMEOPT_LANG_BTN);

   233

			} break;

   234

   235

			case GAMEOPT_RESOLUTION_BTN: // Setup resolution dropdown

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				ShowDropDownMenu(this, BuildDynamicDropdown(SPECSTR_RESOLUTION_START, _num_resolutions), GetCurRes(), GAMEOPT_RESOLUTION_BTN, 0, 0);

   237

				break;

   238

   239

			case GAMEOPT_FULLSCREEN: // Click fullscreen on/off

   240

				/* try to toggle full-screen on/off */

   241

				if (!ToggleFullScreen(!_fullscreen)) {

   242

					ShowErrorMessage(INVALID_STRING_ID, STR_FULLSCREEN_FAILED, 0, 0);

   243

				}

   244

				this->SetWidgetLoweredState(GAMEOPT_FULLSCREEN, _fullscreen);

   245

				this->SetDirty();

   246

				break;

   247

   248

			case GAMEOPT_SCREENSHOT_BTN: // Setup screenshot format dropdown

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				ShowDropDownMenu(this, BuildDynamicDropdown(SPECSTR_SCREENSHOT_START, _num_screenshot_formats), _cur_screenshot_format, GAMEOPT_SCREENSHOT_BTN, 0, 0);

   250

				break;

   251

		}

   252

	}

   253

   254

	virtual void OnDropdownSelect(int widget, int index)

   255

	{

   256

		switch (widget) {

   257

			case GAMEOPT_VEHICLENAME_BTN: // Vehicle design names

   258

				if (index == 0) {

   259

					DeleteCustomEngineNames();

   260

					MarkWholeScreenDirty();

   261

				} else if (!(_vehicle_design_names & 1)) {

   262

					LoadCustomEngineNames();

   263

					MarkWholeScreenDirty();

   264

				}

   265

				break;

   266

   267

			case GAMEOPT_CURRENCY_BTN: /* Currency */

   268

				if (index == CUSTOM_CURRENCY_ID) ShowCustCurrency();

   269

				this->opt->locale.currency = index;

   270

				MarkWholeScreenDirty();

   271

				break;

   272

   273

			case GAMEOPT_DISTANCE_BTN: // Measuring units

   274

				this->opt->locale.units = index;

   275

				MarkWholeScreenDirty();

   276

				break;

   277

   278

			case GAMEOPT_ROADSIDE_BTN: // Road side

   279

				if (this->opt->vehicle.road_side != index) { // only change if setting changed

   280

					DoCommandP(0, index, 0, NULL, CMD_SET_ROAD_DRIVE_SIDE | CMD_MSG(STR_00B4_CAN_T_DO_THIS));

   281

					MarkWholeScreenDirty();

   282

				}

   283

				break;

   284

   285

			case GAMEOPT_TOWNNAME_BTN: // Town names

   286

				if (_game_mode == GM_MENU || GetNumTowns() == 0) {

   287

					this->opt->game_creation.town_name = index;

   288

					InvalidateWindow(WC_GAME_OPTIONS, 0);

   289

				}

   290

				break;

   291

   292

			case GAMEOPT_AUTOSAVE_BTN: // Autosave options

   293

				_settings_client.gui.autosave = index;

   294

				this->SetDirty();

   295

				break;

   296

   297

			case GAMEOPT_LANG_BTN: // Change interface language

   298

				ReadLanguagePack(index);

   299

				CheckForMissingGlyphsInLoadedLanguagePack();

   300

				UpdateAllStationVirtCoord();

   301

				UpdateAllWaypointSigns();

   302

				MarkWholeScreenDirty();

   303

				break;

   304

   305

			case GAMEOPT_RESOLUTION_BTN: // Change resolution

   306

				if (index < _num_resolutions && ChangeResInGame(_resolutions[index].width, _resolutions[index].height)) {

   307

					this->SetDirty();

   308

				}

   309

				break;

   310

   311

			case GAMEOPT_SCREENSHOT_BTN: // Change screenshot format

   312

				SetScreenshotFormat(index);

   313

				this->SetDirty();

   314

				break;

   315

		}

   316

	}

   317

};

   318

   319

static const Widget _game_options_widgets[] = {

   320

{   WWT_CLOSEBOX,   RESIZE_NONE,  COLOUR_GREY,     0,    10,     0,    13, STR_00C5,                          STR_018B_CLOSE_WINDOW},

   321

{    WWT_CAPTION,   RESIZE_NONE,  COLOUR_GREY,    11,   369,     0,    13, STR_00B1_GAME_OPTIONS,             STR_018C_WINDOW_TITLE_DRAG_THIS},

   322

{      WWT_PANEL,   RESIZE_NONE,  COLOUR_GREY,     0,   369,    14,   238, 0x0,                               STR_NULL},

   323

{      WWT_FRAME,   RESIZE_NONE,  COLOUR_GREY,    10,   179,    20,    55, STR_02E0_CURRENCY_UNITS,           STR_NULL},

   324

{ WWT_DROPDOWNIN,   RESIZE_NONE,  COLOUR_GREY,    20,   169,    34,    45, STR_02E1,                          STR_02E2_CURRENCY_UNITS_SELECTION},

   325

{      WWT_FRAME,   RESIZE_NONE,  COLOUR_GREY,   190,   359,    20,    55, STR_MEASURING_UNITS,               STR_NULL},

   326

{ WWT_DROPDOWNIN,   RESIZE_NONE,  COLOUR_GREY,   200,   349,    34,    45, STR_02E4,                          STR_MEASURING_UNITS_SELECTION},

   327

{      WWT_FRAME,   RESIZE_NONE,  COLOUR_GREY,    10,   179,    62,    97, STR_02E6_ROAD_VEHICLES,            STR_NULL},

   328

{ WWT_DROPDOWNIN,   RESIZE_NONE,  COLOUR_GREY,    20,   169,    76,    87, STR_02E7,                          STR_02E8_SELECT_SIDE_OF_ROAD_FOR},

   329

{      WWT_FRAME,   RESIZE_NONE,  COLOUR_GREY,   190,   359,    62,    97, STR_02EB_TOWN_NAMES,               STR_NULL},

   330

{ WWT_DROPDOWNIN,   RESIZE_NONE,  COLOUR_GREY,   200,   349,    76,    87, STR_02EC,                          STR_02ED_SELECT_STYLE_OF_TOWN_NAMES},

   331

{      WWT_FRAME,   RESIZE_NONE,  COLOUR_GREY,    10,   179,   104,   139, STR_02F4_AUTOSAVE,                 STR_NULL},

   332

{ WWT_DROPDOWNIN,   RESIZE_NONE,  COLOUR_GREY,    20,   169,   118,   129, STR_02F5,                          STR_02F6_SELECT_INTERVAL_BETWEEN},

   333

   334

{      WWT_FRAME,   RESIZE_NONE,  COLOUR_GREY,    10,   359,   194,   228, STR_02BC_VEHICLE_DESIGN_NAMES,     STR_NULL},

   335

{ WWT_DROPDOWNIN,   RESIZE_NONE,  COLOUR_GREY,    20,   119,   207,   218, STR_02BD,                          STR_02C1_VEHICLE_DESIGN_NAMES_SELECTION},

   336

{    WWT_TEXTBTN,   RESIZE_NONE,  COLOUR_GREY,   130,   349,   207,   218, STR_02C0_SAVE_CUSTOM_NAMES,        STR_02C2_SAVE_CUSTOMIZED_VEHICLE},

   337

   338

{      WWT_FRAME,   RESIZE_NONE,  COLOUR_GREY,   190,   359,   104,   139, STR_OPTIONS_LANG,                  STR_NULL},

   339

{ WWT_DROPDOWNIN,   RESIZE_NONE,  COLOUR_GREY,   200,   349,   118,   129, STR_OPTIONS_LANG_CBO,              STR_OPTIONS_LANG_TIP},

   340

   341

{      WWT_FRAME,   RESIZE_NONE,  COLOUR_GREY,    10,   179,   146,   190, STR_OPTIONS_RES,                   STR_NULL},

   342

{ WWT_DROPDOWNIN,   RESIZE_NONE,  COLOUR_GREY,    20,   169,   160,   171, STR_OPTIONS_RES_CBO,               STR_OPTIONS_RES_TIP},

   343

{    WWT_TEXTBTN,   RESIZE_NONE,  COLOUR_GREY,   149,   169,   176,   184, STR_EMPTY,                         STR_OPTIONS_FULLSCREEN_TIP},

   344

   345

{      WWT_FRAME,   RESIZE_NONE,  COLOUR_GREY,   190,   359,   146,   190, STR_OPTIONS_SCREENSHOT_FORMAT,     STR_NULL},

   346

{ WWT_DROPDOWNIN,   RESIZE_NONE,  COLOUR_GREY,   200,   349,   160,   171, STR_OPTIONS_SCREENSHOT_FORMAT_CBO, STR_OPTIONS_SCREENSHOT_FORMAT_TIP},

   347

   348

{   WIDGETS_END},

   349

};

   350

   351

static const WindowDesc _game_options_desc = {

   352

	WDP_CENTER, WDP_CENTER, 370, 239, 370, 239,

   353

	WC_GAME_OPTIONS, WC_NONE,

   354

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,

   355

	_game_options_widgets,

   356

};

   357

   358

   359

void ShowGameOptions()

   360

{

   361

	DeleteWindowById(WC_GAME_OPTIONS, 0);

   362

	new GameOptionsWindow(&_game_options_desc);

   363

}

   364

   365

extern void StartupEconomy();

   366

   367

/* Widget definition for the game difficulty settings window */

   368

static const Widget _game_difficulty_widgets[] = {

   369

{   WWT_CLOSEBOX,   RESIZE_NONE,  COLOUR_MAUVE,      0,    10,     0,    13, STR_00C5,                     STR_018B_CLOSE_WINDOW},           // GDW_CLOSEBOX

   370

{    WWT_CAPTION,   RESIZE_NONE,  COLOUR_MAUVE,     11,   369,     0,    13, STR_6800_DIFFICULTY_LEVEL,    STR_018C_WINDOW_TITLE_DRAG_THIS}, // GDW_CAPTION

   371

{      WWT_PANEL,   RESIZE_NONE,  COLOUR_MAUVE,      0,   369,    14,    41, 0x0,                          STR_NULL},                        // GDW_UPPER_BG

   372

{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_YELLOW,    10,    96,    16,    27, STR_6801_EASY,                STR_NULL},                        // GDW_LVL_EASY

   373

{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_YELLOW,    97,   183,    16,    27, STR_6802_MEDIUM,              STR_NULL},                        // GDW_LVL_MEDIUM

   374

{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_YELLOW,   184,   270,    16,    27, STR_6803_HARD,                STR_NULL},                        // GDW_LVL_HARD

   375

{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_YELLOW,   271,   357,    16,    27, STR_6804_CUSTOM,              STR_NULL},                        // GDW_LVL_CUSTOM

   376

{    WWT_TEXTBTN,   RESIZE_NONE,  COLOUR_GREEN,     10,   357,    28,    39, STR_6838_SHOW_HI_SCORE_CHART, STR_NULL},                        // GDW_HIGHSCORE

   377

{      WWT_PANEL,   RESIZE_NONE,  COLOUR_MAUVE,      0,   369,    42,   262, 0x0,                          STR_NULL},                        // GDW_SETTING_BG

   378

{      WWT_PANEL,   RESIZE_NONE,  COLOUR_MAUVE,      0,   369,   263,   278, 0x0,                          STR_NULL},                        // GDW_LOWER_BG

   379

{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_YELLOW,   105,   185,   265,   276, STR_OPTIONS_SAVE_CHANGES,     STR_NULL},                        // GDW_ACCEPT

   380

{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_YELLOW,   186,   266,   265,   276, STR_012E_CANCEL,              STR_NULL},                        // GDW_CANCEL

   381

{   WIDGETS_END},

   382

};

   383

   384

/* Window definition for the game difficulty settings window */

   385

static const WindowDesc _game_difficulty_desc = {

   386

	WDP_CENTER, WDP_CENTER, 370, 279, 370, 279,

   387

	WC_GAME_OPTIONS, WC_NONE,

   388

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET,

   389

	_game_difficulty_widgets,

   390

};

   391

   392

void SetDifficultyLevel(int mode, DifficultySettings *gm_opt);

   393

   394

struct GameDifficultyWindow : public Window {

   395

private:

   396

	static const uint GAME_DIFFICULTY_NUM = 18;

   397

	bool clicked_increase;

   398

	uint8 clicked_button;

   399

	uint8 timeout;

   400

   401

	/* Temporary holding place of values in the difficulty window until 'Save' is clicked */

   402

	GameSettings opt_mod_temp;

   403

   404

	enum {

   405

		GAMEDIFF_WND_TOP_OFFSET = 45,

   406

		GAMEDIFF_WND_ROWSIZE    = 9,

   407

		NO_SETTINGS_BUTTON = 0xFF,

   408

	};

   409

   410

	/* Names of the game difficulty settings window */

   411

	enum GameDifficultyWidgets {

   412

		GDW_CLOSEBOX = 0,

   413

		GDW_CAPTION,

   414

		GDW_UPPER_BG,

   415

		GDW_LVL_EASY,

   416

		GDW_LVL_MEDIUM,

   417

		GDW_LVL_HARD,

   418

		GDW_LVL_CUSTOM,

   419

		GDW_HIGHSCORE,

   420

		GDW_SETTING_BG,

   421

		GDW_LOWER_BG,

   422

		GDW_ACCEPT,

   423

		GDW_CANCEL,

   424

	};

   425

   426

public:

   427

	GameDifficultyWindow() : Window(&_game_difficulty_desc)

   428

	{

   429

		/* Copy current settings (ingame or in intro) to temporary holding place

   430

		 * change that when setting stuff, copy back on clicking 'OK' */

   431

		this->opt_mod_temp = (_game_mode == GM_MENU) ? _settings_newgame : _settings_game;

   432

		this->clicked_increase = false;

   433

		this->clicked_button = NO_SETTINGS_BUTTON;

   434

		this->timeout = 0;

   435

		/* Hide the closebox to make sure that the user aborts or confirms his changes */

   436

		this->HideWidget(GDW_CLOSEBOX);

   437

		this->widget[GDW_CAPTION].left = 0;

   438

		/* Setup disabled buttons when creating window

   439

		 * disable all other difficulty buttons during gameplay except for 'custom' */

   440

		this->SetWidgetsDisabledState(_game_mode == GM_NORMAL,

   441

			GDW_LVL_EASY,

   442

			GDW_LVL_MEDIUM,

   443

			GDW_LVL_HARD,

   444

			GDW_LVL_CUSTOM,

   445

			WIDGET_LIST_END);

   446

		this->SetWidgetDisabledState(GDW_HIGHSCORE, _game_mode == GM_EDITOR || _networking); // highscore chart in multiplayer

   447

		this->SetWidgetDisabledState(GDW_ACCEPT, _networking && !_network_server); // Save-button in multiplayer (and if client)

   448

		this->LowerWidget(GDW_LVL_EASY + this->opt_mod_temp.difficulty.diff_level);

   449

		this->FindWindowPlacementAndResize(&_game_difficulty_desc);

   450

	}

   451

   452

	virtual void OnPaint()

   453

	{

   454

		this->DrawWidgets();

   455

   456

		uint i;

   457

		const SettingDesc *sd = GetPatchFromName("difficulty.max_no_competitors", &i);

   458

		int y = GAMEDIFF_WND_TOP_OFFSET;

   459

		for (i = 0; i < GAME_DIFFICULTY_NUM; i++, sd++) {

   460

			const SettingDescBase *sdb = &sd->desc;

   461

			int32 value = (int32)ReadValue(GetVariableAddress(&this->opt_mod_temp, &sd->save), sd->save.conv);

   462

			bool editable = (_game_mode == GM_MENU || (sdb->flags & SGF_NEWGAME_ONLY) == 0);

   463

   464

			DrawArrowButtons(5, y, COLOUR_YELLOW,

   465

					(this->clicked_button == i) ? 1 + !!this->clicked_increase : 0,

   466

					editable && sdb->min != value,

   467

					editable && sdb->max != value);

   468

   469

			value += sdb->str;

   470

			SetDParam(0, value);

   471

			DrawString(30, y, STR_6805_MAXIMUM_NO_COMPETITORS + i, TC_FROMSTRING);

   472

   473

			y += GAMEDIFF_WND_ROWSIZE + 2; // space items apart a bit

   474

		}

   475

	}

   476

   477

	virtual void OnClick(Point pt, int widget)

   478

	{

   479

		switch (widget) {

   480

			case GDW_SETTING_BG: { /* Difficulty settings widget, decode click */

   481

				/* Don't allow clients to make any changes */

   482

				if (_networking && !_network_server) return;

   483

   484

				const int x = pt.x - 5;

   485

				if (!IsInsideMM(x, 0, 21)) return; // Button area

   486

   487

				const int y = pt.y - GAMEDIFF_WND_TOP_OFFSET;

   488

				if (y < 0) return;

   489

   490

				/* Get button from Y coord. */

   491

				const uint8 btn = y / (GAMEDIFF_WND_ROWSIZE + 2);