自学教程：C++ AddWidget函数代码示例

//*****************************************************************************bool CLevelSelectDialogWidget::Load()//Load resources for the widget.////Returns://True if successful, false if not.{	this->pPromptLabel = new CLabelWidget(0L, 25, 10, 290, 30, F_Small, wszEmpty);	AddWidget(this->pPromptLabel);   //OK button gets default focus	CButtonWidget *pOKButton = new CButtonWidget(			TAG_OK, 100, 205, 60, CY_STANDARD_BUTTON,			g_pTheDB->GetMessageText(MID_Okay));	AddWidget(pOKButton);	CButtonWidget *pCancelButton = new CButtonWidget(			TAG_CANCEL, 170, 205, 60, CY_STANDARD_BUTTON,			g_pTheDB->GetMessageText(MID_Cancel));	AddWidget(pCancelButton);	this->pLevelListBoxWidget = new CListBoxWidget(TAG_LEVELS_LISTBOX,			15, 45, 300, 130);	AddWidget(this->pLevelListBoxWidget);//We're disallowing exits to point to levels in other holds for this release.#ifdef AFTERVERSION1_6   COptionButtonWidget *pAllLevelsOptionButton = new COptionButtonWidget(			TAG_ALL_LEVELS_OPTIONBOX, 20, 180, 300, CY_STANDARD_OPTIONBUTTON,			g_pTheDB->GetMessageText(MID_ShowAllLevels), false);	AddWidget(pAllLevelsOptionButton);#endif   return CWidget::Load();}

SG_BasicCompound::SG_BasicCompound() : SG_Compound(8, 5, 0.1, 0.1) {  background = new SG_Panel(SG_COL_FG);  okb = new SG_Button("Ok", SG_COL_RAISED, SG_COL_LOW);  AddWidget(okb, 7, 4, 1, 1);  SG_Widget *labelb = new SG_TextArea("SG_BasicCompound", SG_COL_LOW);  AddWidget(labelb, 1, 2, 6, 1);}

SG_ComboBox::SG_ComboBox(const vector<string> &options, bool edit,                         SimpleTexture btex, SimpleTexture btex_dis,                         SimpleTexture btex_click, SimpleTexture ttex,                         SimpleTexture ttex_dis, SimpleTexture ttex_fg,                         SimpleTexture mtex, SimpleTexture mtex_dis,                         SimpleTexture mtex_sel)    : SG_Compound(binvpro, 1, 0.0, 0.0) {  opb = new SG_StickyButton("", btex, btex_dis, btex_click);  opb->SetAlignment(SG_ALIGN_CENTER);  opb->SetTexturator(stt_dnbutt_up, 0);  opb->SetTexturator(stt_dnbutt_dn, 2);  AddWidget(opb, binvpro - 1, 0, 1, 1);  string message;  if (options.size() > 0) message = options[0];  if (edit)    text = new SG_Editable(message, ttex, ttex_dis, ttex_fg);  else    text = new SG_TextArea(message, ttex, ttex_dis);  //  text->SetVisibleSize(binvpro, 1.0); //FIXME: Don't Lock X Vis Size!  AddWidget(text, 0, 0, binvpro - 1, 1);  menu = new SG_Menu(options, mtex, mtex_dis, mtex_sel);  AddWidget(menu, 0, 0, binvpro, 1);  wgeom[2].ypos = 1;  wgeom[2].ysize = 1;}

TreeViewWindow::TreeViewWindow(): Window(0, 0, AUTOSIZE, AUTOSIZE){  CppConsUI::TreeView *tree;  CppConsUI::TreeView::NodeReference node;  CppConsUI::TreeView::NodeReference node2;  AddWidget(*(new CppConsUI::Label(20, 1, "Press F10 to quit.")), 1, 1);  tree = new CppConsUI::TreeView(30, 12);  AddWidget(*tree, 1, 3);  SetInputChild(*tree);  node = tree->AppendNode(tree->GetRootNode(),      *(new CppConsUI::Button("Button node A")));  node2 = tree->AppendNode(node, *(new CppConsUI::Button("Button node A-1")));  tree->AppendNode(node2, *(new CppConsUI::Button("Button node A-1-a")));  tree->AppendNode(node2, *(new CppConsUI::Button("Button node A-1-b")));  tree->AppendNode(node2, *(new CppConsUI::Button("Button node A-1-c")));  tree->AppendNode(node, *(new CppConsUI::Button("Button node A-2")));  tree->AppendNode(node, *(new CppConsUI::Button("Button node A-3")));  node = tree->AppendNode(tree->GetRootNode(),      *(new CppConsUI::Label("Label node B")));  tree->AppendNode(node, *(new CppConsUI::Label("Label node B-1")));  tree->AppendNode(node, *(new CppConsUI::Label("Label node B-2")));  tree->AppendNode(node, *(new CppConsUI::Label("Label node B-3")));  node = tree->AppendNode(tree->GetRootNode(),      *(new CppConsUI::Button("Button node C")));  tree->AppendNode(node, *(new CppConsUI::Button("Button node C-1")));  tree->AppendNode(node, *(new CppConsUI::Button("Button node C-2")));  tree->AppendNode(node, *(new CppConsUI::Button("Button node C-3")));}

GuiStateMain::GuiStateMain(){  AddWidget( boost::make_shared<Gui::Image>(    Rect( Point(0, 0), Editor::GetScreenSizePx() ),    boost::make_shared<Texture>( "./_data/backg_main.png" )    ));   const Texture::TPtr pBtnTex = boost::make_shared<Texture>( "./_data/button_01.png", 2 );  const Font::TPtr pBtnFont = boost::make_shared<Font>( "./_data/gm.ttf", 20);  AddWidget( boost::make_shared<Gui::Label>(    Point(Editor::VisibleFieldSizePx().w / 2, 10),    boost::make_shared<Font>( "./_data/gm.ttf", 60),     "Tag Game",    Color::make_white(),    Gui::Label::Center  ));  AddWidget( boost::make_shared<Gui::Label>(    Point(Editor::VisibleFieldSizePx().w / 2, Editor::VisibleFieldSizePx().h - 35 ),    boost::make_shared<Font>( "./_data/gm.ttf", 30),     "mango2d engine demo",    Color::make_white(),    Gui::Label::Center  ));  AddWidget( boost::make_shared<Gui::Button>(    Rect( Point(Editor::VisibleFieldSizePx().w / 2 - 100, Editor::VisibleFieldSizePx().h / 2), Size(200, 40) ),    pBtnFont, pBtnTex,    [this](){ GetManager()->SetState( boost::make_shared<GuiStateTest>() ); },    "Start Game"  ));}

TeamScrollBox::TeamScrollBox(const std::vector<TeamBox*>& teams, const Point2i &size)  : ScrollBox(size)  , teams(teams)  , count(2){  // SetNbTeams not called immediately  AddWidget(teams[0]);  AddWidget(teams[1]);}

//*****************************************************************************CEntranceSelectDialogWidget::CEntranceSelectDialogWidget(//Constructor.////Params:	const UINT dwSetTagNo,                //(in)   Required params for CWidget 	const int nSetX, const int nSetY)         //    constructor.	: CDialogWidget(dwSetTagNo, nSetX, nSetY, CX_DIALOG, CY_DIALOG, true)   //double-click on list box disables	, pListBoxWidget(NULL)	, pSourceHold(NULL), pCurrentGame(NULL)	, pPromptLabel(NULL){	static const UINT CX_SPACE = 15;	static const UINT CY_SPACE = 10;	static const int Y_LABEL = CY_SPACE;	static const UINT CY_LABEL = 60;	static const UINT CX_BUTTON = 70;	static const int X_OKBUTTON = (CX_DIALOG - 2*CX_BUTTON) / 2;	static const int Y_OKBUTTON = CY_DIALOG - CY_STANDARD_BUTTON - CY_SPACE;	static const int X_DELETEBUTTON = X_OKBUTTON + CX_BUTTON + 2*CX_SPACE;	static const int Y_DELETEBUTTON = Y_OKBUTTON;	static const int X_LISTBOX = CX_SPACE;	static const int Y_LISTBOX = Y_LABEL + CY_LABEL;	static const UINT CX_LISTBOX = CX_DIALOG - X_LISTBOX - CX_SPACE;	static const UINT CY_LISTBOX = Y_OKBUTTON - Y_LISTBOX - CY_SPACE;	this->pPromptLabel = new CLabelWidget(0L, 0, Y_LABEL, this->w, CY_LABEL,			F_Small, wszEmpty);	this->pPromptLabel->SetAlign(CLabelWidget::TA_CenterGroup);	AddWidget(this->pPromptLabel);	//OK button gets default focus	CButtonWidget *pButton = new CButtonWidget(			TAG_OK, X_OKBUTTON, Y_OKBUTTON, CX_BUTTON, CY_STANDARD_BUTTON,			g_pTheDB->GetMessageText(MID_Okay));	AddWidget(pButton);	pButton = new CButtonWidget(			TAG_DONE, X_OKBUTTON, Y_OKBUTTON, CX_BUTTON, CY_STANDARD_BUTTON,			g_pTheDB->GetMessageText(MID_Done));	AddWidget(pButton);	pButton->Hide();	pButton = new CButtonWidget(			TAG_DELETE, X_DELETEBUTTON, Y_DELETEBUTTON, CX_BUTTON, CY_STANDARD_BUTTON,			g_pTheDB->GetMessageText(MID_Delete));	pButton->Hide();	AddWidget(pButton);	this->pListBoxWidget = new CListBoxWidget(TAG_ENTRANCES_LISTBOX,			X_LISTBOX, Y_LISTBOX, CX_LISTBOX, CY_LISTBOX);	AddWidget(this->pListBoxWidget);}

void GMMManageBots::SetupLayout1(){	int i, rows, cols;	const int max_rows=4;	const int label_width = 40;	const int start_width = 25;	const int stop_width = 25;	const int button_spacer = 2;	rows = MAX_TEAM_TYPES-1;	if(rows > max_rows) rows = max_rows;	cols = (MAX_TEAM_TYPES-1)/max_rows;	if((MAX_TEAM_TYPES-1)%max_rows) cols++;		for(i=NULL_TEAM+1; i<MAX_TEAM_TYPES; i++)	{		int button_y;		int button_x;		button_x = GMM_SIDE_MARGIN + ((i-1)/max_rows)*(label_width + button_spacer + start_width + button_spacer + stop_width);		button_y = GMM_TITLE_MARGIN + ((i-1)%max_rows)*(GMMWBUTTON_HEIGHT+1);		//left		{			team_label[i].SetText(team_type_string[i]);			team_label[i].SetCoords(button_x, button_y + ((GMMWBUTTON_HEIGHT-MMLABEL_HEIGHT)/2));			team_label[i].SetDimensions(label_width, 0);			team_label[i].SetJustification(MMLABEL_RIGHT);			AddWidget(&team_label[i]);			button_x += label_width + button_spacer;			start_button[i].SetType(MMGENERIC_BUTTON);			start_button[i].SetText("On");			start_button[i].SetCoords(button_x, button_y);			start_button[i].SetDimensions(start_width, GMMWBUTTON_HEIGHT);			AddWidget(&start_button[i]);			button_x += start_width + button_spacer;			stop_button[i].SetType(MMGENERIC_BUTTON);			stop_button[i].SetText("Off");			stop_button[i].SetCoords(button_x, button_y);			stop_button[i].SetDimensions(stop_width, GMMWBUTTON_HEIGHT);			AddWidget(&stop_button[i]);			button_x += stop_width;		}	}	w = (GMM_SIDE_MARGIN * 2) + cols*(label_width + button_spacer + start_width + button_spacer + stop_width);	h = GMM_TITLE_MARGIN + GMM_BOTTOM_MARGIN + (rows)*(GMMWBUTTON_HEIGHT+1);	//needed if w is ever changed / set	UpdateDimensions();}

    void Open()    {      SetTitle(settings.GetTitle());      // Every message box is modal for now      //settings.IsModeless();      // Icon      {        cWidget* pWidget = new cImage;        cImage::STANDARD_IMAGE image = cImage::STANDARD_INFORMATION;        const cMessageBoxSettings::TYPE type = settings.GetType();        if (type == TYPE_INFORMATION) image = cImage::STANDARD_INFORMATION;        else if (type == TYPE_WARNING) image = cImage::STANDARD_WARNING;        else image = cImage::STANDARD_ERROR;        pWidget->SetImage(image);        AddWidget(pWidget);      }      // Static text      {        cWidget* pWidget = new cStaticText;        pWidget->SetText(settings.GetText());        AddWidget(pWidget);      }      // Yes button      {        pYesButton = new cDefaultButton;        pYesButton->SetText(settings.GetYesButtonText());        AddWidget(pYesButton);      }      // No button      if (settings.HasNoButton()) {        ASSERT(pNoButton == nullptr);        pNoButton = new cButton;        pNoButton->SetText(settings.GetNoButtonText());        AddWidget(pNoButton);      }      // Cancel button      if (settings.HasCancelButton()) {        pCancelButton = new cCancelButton;        AddWidget(pCancelButton);      }    }

//*****************************************************************************CDrodFileDialogWidget::CDrodFileDialogWidget(//Constructor.////Params:	const UINT dwSetTagNo,                //(in)   Required params for CWidget	const int nSetX, const int nSetY)         //    constructor.	: CFileDialogWidget(dwSetTagNo, nSetX, nSetY){	static const UINT CX_SPACE = 15;	static const UINT CY_SPACE = 8;	static const UINT CX_BUTTON = 90;	static const int X_BUTTON = CX_FILEDIALOG - CX_BUTTON - CX_SPACE;	static const int Y_CANCEL_BUTTON = CY_FILEDIALOG - CY_STANDARD_BUTTON - CY_SPACE * 2;	static const int Y_OK_BUTTON = Y_CANCEL_BUTTON - CY_STANDARD_BUTTON - CY_SPACE;#ifdef RUSSIAN_BUILD	static const int X_DIR_TEXT_BOX = 110; //move over	this->pDirNameTextBox->Move(X_DIR_TEXT_BOX, this->pDirNameTextBox->GetY());	this->pDirNameTextBox->SetWidth(this->pDirNameTextBox->GetW() - (X_DIR_TEXT_BOX - 80));	static const UINT CX_FILENAME = 90;#else	static const int X_DIR_TEXT_BOX = 80; //ref from CFileDialogWidget	static const UINT CX_FILENAME = 85;#endif	static const UINT CX_CURDIR = X_DIR_TEXT_BOX - CX_SPACE;	static const UINT CX_FILETYPE = 120;	//Add labels (requiring DB text to access).	AddWidget(new CLabelWidget(0L, CX_SPACE, 47, CX_CURDIR, 60, F_Small,			g_pTheDB->GetMessageText(MID_CurrentDirectory)));	AddWidget(new CLabelWidget(0L, CX_SPACE, 570, CX_FILENAME, 30, FONTLIB::F_Small,			g_pTheDB->GetMessageText(MID_FileName)));	AddWidget(new CLabelWidget(0L, CX_SPACE, 610, CX_FILETYPE, 30, FONTLIB::F_Small,			g_pTheDB->GetMessageText(MID_FileType)));	//Buttons.	CButtonWidget *pOKButton = new CButtonWidget(			TAG_OK, X_BUTTON, Y_OK_BUTTON, CX_BUTTON, CY_STANDARD_BUTTON,			g_pTheDB->GetMessageText(MID_Okay));	AddWidget(pOKButton);	CButtonWidget *pCancelButton = new CButtonWidget(			TAG_CANCEL, X_BUTTON, Y_CANCEL_BUTTON, CX_BUTTON, CY_STANDARD_BUTTON,			g_pTheDB->GetMessageText(MID_Cancel));	AddWidget(pCancelButton);	COptionButtonWidget *pShowHidden = DYN_CAST(COptionButtonWidget*, CWidget*,			GetWidget(TAG_SHOW_HIDDEN));	pShowHidden->SetCaption(g_pTheDB->GetMessageText(MID_ShowHiddenFiles));}

QuitWindow::QuitWindow(): Window ( g_graphics->GetCenterX() - 136, g_graphics->GetCenterY() - 32, 256, 72 ){    SetWidgetClass ( "QuitWindow" );    TextUI *text = new TextUI ( "Are you sure you want to leave ARC++?", false, 23, 16, 245, 9 );    AddWidget ( text ); text = NULL;    Button *button = new Button ( (InputCallback)QuitWindow_OnYesClick, this, BUTTON_TYPE_YES, 47, 36 );    m_enterKeyDefault = button;    AddWidget ( button ); button = NULL;    button = new Button ( (InputCallback)QuitWindow_OnNoClick, this, BUTTON_TYPE_NO, 146, 36 );    AddWidget ( button ); button = NULL;}

CLuaProgressDialog::CLuaProgressDialog(int r) : CBaseLuaProgressDialog(r){    AddWidget(m_pTitle = new NNCurses::CLabel("", false));    AddWidget(m_pProgBar = new NNCurses::CProgressBar(0.0f, 100.0f));    AddWidget(m_pSecTitle = new NNCurses::CLabel("", false));    AddWidget(m_pSecProgBar = new NNCurses::CProgressBar(0.0f, 100.0f));        NNCurses::CBox *bbox = new NNCurses::CBox(NNCurses::CBox::HORIZONTAL, false);    AddWidget(bbox);    bbox->StartPack(m_pCancelButton = new NNCurses::CButton(GetTranslation("Cancel")), true, false, 0, 0);        m_pCancelButton->Enable(false);    m_pSecTitle->Enable(false);    m_pSecProgBar->Enable(false);}

ErrorWindow::ErrorWindow ( const char *_text, bool _critical ): Window ( g_graphics->GetCenterX() - 136, g_graphics->GetCenterY() - 44, 256, 72 ),  m_critical(_critical){    SetWidgetClass ( "ErrorWindow" );    m_caption = new TextUI ( "[null]", false, 35, 16, 600, 9 );    AddWidget ( m_caption );    Button *button = new Button ( (InputCallback)ErrorWindow_OnOKClick, this, BUTTON_TYPE_OK, (m_position.w / 2) - (58 / 2), 40 );    m_enterKeyDefault = button;    AddWidget ( button ); button = NULL;    SetCaption ( _text );}

List::List(Context *context) : Container(context), m_selected(-1){	Context *c = GetContext();	m_container = c->Background();	m_container->SetInnerWidget(c->VBox());	AddWidget(m_container);}

void UIScreenEldBindInputs::CreateCompositeWidget(){	UIWidget* const pCompositeWidget = UIFactory::CreateWidget( m_CompositeWidgetDefinitionName, this );	ASSERT( pCompositeWidget );	AddWidget( pCompositeWidget );}

int Window_( lua_State* L ){  UIWindow* window = new UIWindow;  SetName(L, window);  SetTopLeftWidthHeight(L, window);  SetTooltip(L, window);  SetAnim(L, window, UIPanel::NORMAL_ANIM_, "normalAnim");  SetAnim(L, window, UIPanel::DISABLED_ANIM_, "disabledAnim");  SetTextUserData(L, window);  AddWidget(L, window);  // 配置关闭按钮  if (util::HasField(L, "closeBtn"))  {    lua_pushstring(L, "closeBtn");    lua_gettable(L, -2);    if (lua_istable(L, -1))      SetButton(L, window->GetCloseButton());    lua_pop(L, 1);  }  SetAlpha(L, window);  lua_pushlightuserdata(L, window);  return 1;}

void Scene::Initialise(){	for(auto it = m_pWidgets.begin(); it != m_pWidgets.end(); ++it)	{		AddWidget(*it);	}}

void ContainerViewGump::init_backpack(std::string datadir, bool extend_area_w){	std::string imagefile, path;	uint8 check_y = 27;	gump_button = loadButton(datadir, "gump", CHECK_X, check_y);	build_path(datadir, "container", path);	datadir = path;	up_arrow_button = loadButton(datadir, "cont_up", 83, 35);	down_arrow_button = loadButton(datadir, "cont_down", 83, 66);	build_path(datadir, "backpack_bg.bmp", imagefile);	bg_image = SDL_LoadBMP(imagefile.c_str());	doll_button = loadButton(datadir, "cont_doll", area.x + 18, area.y + bg_image->h);	left_arrow_button = loadButton(datadir, "cont_left", area.x + 18 + 11, area.y + bg_image->h);	right_arrow_button = loadButton(datadir, "cont_right", area.x + 18 + 22, area.y + bg_image->h);	SetRect(area.x, area.y, bg_image->w, bg_image->h + 16); //111, 101);	container_widget = new ContainerWidgetGump(config, this);	container_widget_y_offset = CONTAINER_WIDGET_OFFSET;	container_widget->init(actor, 21, container_widget_y_offset, 4, 3, tile_manager, obj_manager, font, CHECK_X, check_y);	AddWidget(container_widget);	if(extend_area_w) // text extends beyond the gump		area.w += 4;}

bool JaRuleFactory::DeviceAdded(    WidgetObserver *observer,    libusb_device *usb_device,    const struct libusb_device_descriptor &descriptor) {    if (descriptor.idVendor != VENDOR_ID || descriptor.idProduct != PRODUCT_ID ||            HasDevice(usb_device)) {        return false;    }    OLA_INFO << "Found a new Ja Rule device";    LibUsbAdaptor::DeviceInformation info;    if (!m_adaptor->GetDeviceInfo(usb_device, descriptor, &info)) {        return false;    }    // TODO(simon): Support multiple widgets.    if (DeviceCount() > 0) {        OLA_WARN << "Only a single Ja Rule device is supported";        return false;    }    if (FLAGS_use_async_libusb) {        return AddWidget(observer, usb_device,                         new JaRuleWidget(m_ss, m_adaptor, usb_device, m_uid));    } else {        OLA_WARN << "Ja Rule devices are not supported in Synchronous mode";        return false;    }}

void GfxWidget::Init( unsigned short gfxw, unsigned short gfxh, unsigned short items ) {  this->items = items;  gfx_w = gfxw;  gfx_h = gfxh;  gfx_per_row = MAX( bounds.w/gfxw, 1 );  toprow = 0;  rows = (items + gfx_per_row - 1) / gfx_per_row * ItemHeight();  visrows = MIN( bounds.h, rows );  current = -1;  SliderWidget *slider = static_cast<SliderWidget *>( GetWidget(0) );  if ( slider ) {    slider->Adjust( 0, rows - visrows, visrows );    slider->ScrollTo( 0 );  } else {    // create the corresponding slider widget    slider = new SliderWidget( 0, x + w - DEFAULT_SLIDER_SIZE, y,       DEFAULT_SLIDER_SIZE, h, 0, rows - visrows, toprow, visrows,       WIDGET_VSCROLL|WIDGET_COMPOSITE, NULL, surface );    slider->SetHook( this );    AddWidget( slider );  }  init = true;}

int32 OToolBox :: AddWidget (ODataWidget *pODataWidget, QString qsText ){  int indx0 = 0;  indx0 = AddWidget(pODataWidget);  SetLabel(indx0, qsText);  return indx0;}

void FMenuBuilder::AddSearchWidget(){	MultiBox->SearchTextWidget = SNew(STextBlock)		.Visibility( EVisibility::Visible )		.Text( FText::FromString("Search Start") );	AddWidget( MultiBox->SearchTextWidget.ToSharedRef(), FText::GetEmpty(), false, false );}

  BenchItem(BenchType t, const std::string& name, uint height)    : HBox(height, false, false, true /* use full height */)    , type(t)  {    Profile *res = GetResourceManager().LoadXMLProfile("graphism.xml", false);    bench = new Label(name, 0, Font::FONT_BIG, Font::FONT_BOLD,                      dark_gray_color, Text::ALIGN_CENTER);    AddWidget(bench);    score = new Label("N/A", 300, Font::FONT_BIG, Font::FONT_BOLD,                      primary_red_color, Text::ALIGN_CENTER);    AddWidget(score);    run = new Button(res, "menu/really_big_plus", true);    AddWidget(run);  }

BuddyList::BuddyList(): Window(0, 0, 80, 24){  SetColorScheme("buddylist");  CppConsUI::HorizontalListBox *lbox    = new CppConsUI::HorizontalListBox(AUTOSIZE, AUTOSIZE);  lbox->AppendWidget(*(new CppConsUI::Spacer(1, AUTOSIZE)));  treeview = new CppConsUI::TreeView(AUTOSIZE, AUTOSIZE);  lbox->AppendWidget(*treeview);  lbox->AppendWidget(*(new CppConsUI::Spacer(1, AUTOSIZE)));  AddWidget(*lbox, 0, 0);  /* TODO Check if this has been moved to purple_blist_init(). Remove these   * lines if it was as this will probably move to purple_init(), the   * buddylist object should be available a lot more early and the uiops   * should be set a lot more early. (All in all a lot of work.) */  buddylist = purple_blist_new();  buddylist->ui_data = this;  purple_set_blist(buddylist);  // load the pounces  purple_pounces_load();  // init prefs  purple_prefs_add_none(CONF_PREFIX "/blist");  purple_prefs_add_bool(CONF_PREFIX "/blist/show_empty_groups", false);  purple_prefs_add_bool(CONF_PREFIX "/blist/show_offline_buddies", true);  purple_prefs_add_string(CONF_PREFIX "/blist/colorization_mode", "none");  UpdateCachedPreference(CONF_PREFIX "/blist/show_empty_groups");  UpdateCachedPreference(CONF_PREFIX "/blist/show_offline_buddies");  UpdateCachedPreference(CONF_PREFIX "/blist/colorization_mode");  // connect callbacks  purple_prefs_connect_callback(this, CONF_PREFIX "/blist",      blist_pref_change_, this);  // setup the callbacks for the buddylist  memset(&centerim_blist_ui_ops, 0, sizeof(centerim_blist_ui_ops));  centerim_blist_ui_ops.new_list = new_list_;  centerim_blist_ui_ops.new_node = new_node_;  //centerim_blist_ui_ops.show = show_;  centerim_blist_ui_ops.update = update_;  centerim_blist_ui_ops.remove = remove_;  centerim_blist_ui_ops.destroy = destroy_;  //centerim_blist_ui_ops.set_visible = set_visible_;  centerim_blist_ui_ops.request_add_buddy = request_add_buddy_;  centerim_blist_ui_ops.request_add_chat = request_add_chat_;  centerim_blist_ui_ops.request_add_group = request_add_group_;  // since libpurple 2.6.0  //centerim_blist_ui_ops.save_node = save_node_;  //centerim_blist_ui_ops.remove_node = remove_node_;  //centerim_blist_ui_ops.save_account = save_account_;  purple_blist_set_ui_ops(&centerim_blist_ui_ops);  COREMANAGER->TimeoutOnceConnect(sigc::mem_fun(this, &BuddyList::Load), 0);}

UCanvasPanelSlot* UGUIDynamicCanvas::AddWidgetAtPosition(UUserWidget* Widget, FVector2D Position, bool bAutoSize, int32 ZOrder){	UCanvasPanelSlot* Slot = AddWidget(Widget, bAutoSize, ZOrder);	if (Slot)	{		Slot->SetPosition(Position);	}	return Slot;}

Layer *Context::NewLayer(){	Layer *layer = new Layer(this);	AddWidget(layer);	SetWidgetDimensions(layer, Point(0), Point(m_width, m_height));	m_layers.push_back(layer);	m_needsLayout = true;	return layer;}

CFrontEnd::CFrontEnd() : CGUIMenu(){    float width = GameOptions::viewWidth / 2.0f;    float height = 50.0f;        float xPos = (GameOptions::viewWidth - width) / 2.0f;    float yPos = 200.0f;    float yOffset = 70.0f;        AddWidget(new CButtonWidget(xPos, yPos, width, height, "Play", std::bind(&CFrontEnd::HandlePlayButton, this)));    yPos += yOffset;    AddWidget(new CButtonWidget(xPos, yPos, width, height, "Video Options", std::bind(&CFrontEnd::HandleVideoOptionsButton, this)));    yPos += yOffset;    AddWidget(new CButtonWidget(xPos, yPos, width, height, "Input Options", std::bind(&CFrontEnd::HandleInputOptionsButton, this)));    yPos += yOffset;    AddWidget(new CButtonWidget(xPos, yPos, width, height, "Exit", std::bind(&CFrontEnd::HandleExitButton, this)));    yPos += yOffset;    }