| ►NGdk |  | 
| CBitmap | Bitmaps are simply pixmaps with a depth of 1 | 
| CColor | Gdk::Color is used to describe an allocated or unallocated color | 
| CColormap | A Colormap is an object that contains the mapping between the color values stored in memory and the RGB values that are used to display color values | 
| CCursor | This represents a cursor | 
| CDevice | A Gdk::Device instance contains a detailed description of an extended input device | 
| CDisplay | Gdk::Display object's purpose is two fold: To grab/ungrab keyboard focus and mouse pointer To manage and provide information about the Gdk::Screen(s) available for this Gdk::Display | 
| CDisplayManager | The purpose of the GdkDisplayManager singleton object is to offer notification when displays appear or disappear or the default display changes | 
| CDragContext | A Gdk::DragContext holds information about a drag in progress | 
| CDrawable | Drawing Primitives | 
| CEvent |  | 
| CGC | All drawing operations in GDK take a graphics context (GC) argument | 
| CImage | This represents an area for drawing graphics | 
| CPixbuf |  | 
| CPixbufAnimation | The gdk-pixbuf library provides a simple mechanism to load and represent animations | 
| CPixbufAnimationIter | An iterator which points to a certain position in a PixbufAnimation | 
| CPixbufError | Exception class for Gdk::Pixbuf errors | 
| CPixbufFormat |  | 
| CPixbufLoader |  | 
| CPixmap | Pixmaps are offscreen drawables | 
| CPoint | This is a simple structure containing an x and y coordinate of a point | 
| CRectangle | Gdk::Rectangle is a structure holding the position and size of a rectangle | 
| CRegion | This is an opaque data type holding a set of arbitrary pixels, and is usually used for clipping graphical operations (see Gdk::GC::set_clip_region()) | 
| CRgbCmap |  | 
| CScreen | Object representing a physical screen Gdk::Screen objects are the GDK representation of a physical screen | 
| CVisual | A Gdk::Visual describes a particular video hardware display format | 
| CWindow | A Gdk::Window is a rectangular region on the screen | 
| ►NGlib |  | 
| CValue< Glib::RefPtr< Gtk::RecentInfo > > |  | 
| ►NGtk |  | 
| ►NBox_Helpers |  | 
| CBoxList |  | 
| CChild |  | 
| CElement |  | 
| CEndElem |  | 
| ►NComboDropDown_Helpers |  | 
| CComboDropDownList |  | 
| ►NMenu_Helpers |  | 
| CCheckMenuElem |  | 
| CElement |  | 
| CImageMenuElem |  | 
| CMenuElem | Use this class and its subclasses to build menu items | 
| CMenuList |  | 
| CRadioMenuElem |  | 
| CSeparatorElem |  | 
| CStockMenuElem |  | 
| CTearoffMenuElem |  | 
| ►NNotebook_Helpers |  | 
| CElement |  | 
| CMenuElem |  | 
| CPage |  | 
| CPageIterator |  | 
| CPageList | An STL-style container for pages in a Gtk::Notebook | 
| CTabElem |  | 
| ►NTable_Helpers |  | 
| CChild |  | 
| CTableList |  | 
| CAboutDialog | The AboutDialog offers a simple way to display information about a program like its logo, name, copyright, website and license | 
| CAccelGroup | A Gtk::AccelGroup represents a group of keyboard accelerators, typically attached to a toplevel Gtk::Window (with Gtk::Window::add_accel_group()) | 
| CAccelKey | Defines accelerator key combinations | 
| CAccelLabel | A label which displays an accelerator key on the right of the text | 
| CAction | An action which can be triggered by a menu or toolbar item | 
| CActionGroup |  | 
| CActivatable | Activatable widgets can be connected to a Gtk::Action and reflect the state of the action | 
| CAdjustment | A class representing an adjustable bounded value | 
| CAlignment | A widget which controls the alignment and size of its child | 
| CArrow | Produces an arrow pointing in one of the four cardinal directions | 
| CAspectFrame | A frame that constrains its child to a particular aspect ratio | 
| CAssistant | A widget used to guide users through multi-step operations | 
| CBin | A container with just one child | 
| CBox | A base class for box containers | 
| CBuilder | Build an interface from a UI definition description | 
| CBuilderError | Exception class for Gdk::Builder errors | 
| CBuiltinStockID | See the list of pre-defined stock items, in the Stock namespace | 
| CButton | A widget that creates a signal when clicked on | 
| CButtonBox | Base class for Gtk::HButtonBox and Gtk::VButtonBox | 
| CCalendar | Display a calendar and/or allow the user to select a date | 
| CCellEditable | Interface for widgets which are used for editing cells | 
| CCellLayout | An interface for packing cells | 
| CCellRenderer | CellRenderers are used by Gtk::TreeView columns to render the Gtk::TreeModel column data appropriately | 
| CCellRendererAccel | Renders a keyboard accelerator in a cell | 
| CCellRendererCombo | Renders a combobox in a cell | 
| CCellRendererPixbuf | Renders a pixbuf in a cell | 
| CCellRendererProgress | Renders numbers as progress bars | 
| CCellRendererSpin | Renders a spin button in a cell | 
| CCellRendererSpinner | Renders a spinning animation in a cell | 
| CCellRendererText | Renders text in a cell | 
| CCellRendererToggle | Renders a toggle button in a cell | 
| CCellView | A widget displaying a single row of a TreeModel | 
| CCheckButton | Create widgets with a discrete toggle button | 
| CCheckMenuItem | A menu item that maintains the state of a boolean value in addition to a Gtk::MenuItem's usual role in activating application code | 
| CClipboard | The Clipboard object represents a clipboard of data shared between different processes or between different widgets in the same process | 
| CColorButton | A button to launch a color selection dialog | 
| CColorSelection | A widget used to select a color | 
| CColorSelectionDialog | This dialog allows the user to select a color | 
| CCombo | A text entry field with a dropdown list | 
| CComboBox | A widget used to choose from a list of items | 
| CComboBoxEntry | A text entry field with a dropdown list | 
| ►CComboBoxEntryText | This is a specialisation of the ComboBoxEntry which has one column of text (a simple list), and appropriate methods for setting and getting the text | 
| CTextModelColumns |  | 
| ►CComboBoxText | This is a specialisation of the ComboBox which has one column of text (a simple list), and appropriate methods for setting and getting the text | 
| CTextModelColumns |  | 
| CComboDropDown | The dropdown list of a Combo | 
| CComboDropDownItem | An item in a ComboDropDownList | 
| CContainer | Abstract container class | 
| CCurve | Allows direct editing of a curve | 
| CDialog | Create popup windows | 
| CDrawingArea | A widget for custom user interface elements | 
| CEditable | Base class for text-editing widgets | 
| CEntry | A single line text entry field | 
| CEntryBuffer | A Text buffer for the Entry widget | 
| CEntryCompletion | Completion functionality for Gtk::Entry | 
| CEventBox | Event capturing box | 
| CExpander | A container which can hide its child | 
| CFileChooser | Gtk::FileChooser is an interface that can be implemented by file selection widgets | 
| CFileChooserButton | A button to launch a file chooser dialog | 
| CFileChooserDialog | Convenient file chooser window | 
| CFileChooserError | Exception class for Gdk::FileChooser errors | 
| CFileChooserWidget | File chooser widget that can be embedded in other widgets | 
| ►CFileFilter | A filter for selecting a file subset | 
| CInfo |  | 
| CFileSelection | Prompt the user for a file or directory name | 
| CFixed | A container which allows you to position widgets at fixed coordinates | 
| CFontButton | A button to launch a font selection dialog | 
| CFontSelection | A widget for selecting fonts | 
| CFontSelectionDialog | A dialog box for selecting fonts | 
| CFrame | A Gtk::Bin with a decorative frame and optional label | 
| CGammaCurve | A subclass of Gtk::Curve for editing gamma curves | 
| CHandleBox | A widget for detachable window portions | 
| CHBox | Horizontal Box for laying widgets in a horizontal row | 
| CHButtonBox | A container for arranging buttons horizontally | 
| CHPaned | The Gtk::HPaned widget is a container widget with two children arranged horizontally | 
| CHRuler | Horizontal Ruler | 
| CHScale | A horizontal slider for selecting values | 
| CHScrollbar | A horizontal scrollbar | 
| CHSeparator | Horizontal line widget | 
| CIconFactory |  | 
| CIconInfo |  | 
| CIconSet | This manages a set of variants of a particular icon An IconSet contains variants for different sizes and widget states | 
| CIconSize | Represents registered icon sizes | 
| CIconSource |  | 
| CIconTheme |  | 
| CIconThemeError | Exception class for Gdk::IconTheme errors | 
| CIconView | The IconView provides an alternative view of a list model | 
| CImage | A widget displaying an image | 
| CImageMenuItem | A menu item with an icon | 
| CInfoBar | This widget that can be used to show messages to the user without showing a dialog | 
| CInputDialog |  | 
| CInvisible | This widget is used internally in GTK+, and is probably not useful for application developers | 
| CItem | This class should be considered as a virtual base class | 
| CLabel | A widget that displays a small to medium amount of text | 
| CLayout | Infinite scrollable area containing child widgets and/or custom drawing | 
| CLinkButton | Create buttons bound to a URL | 
| CListStore | Thist is a list model for use with a Gtk::TreeView widget | 
| ►CListViewText | A simple listbox which presents some lines of information in columns and lets the user select some of them | 
| CTextModelColumns |  | 
| CMain | Main application class Every application must have one of these objects | 
| CMenu | A drop-down menu consisting of Gtk::MenuItem objects which can be navigated and activated by the user to perform application functions | 
| CMenuBar | A standard menu bar which usually holds Gtk::Menu submenu items | 
| CMenuItem | Child item for menus | 
| CMenuShell | The abstract base class for Gtk::Menu and Gtk::MenuBar | 
| CMenuToolButton | A Gtk::ToolItem containing a toggle button | 
| CMessageDialog | Convenient message window | 
| CMisc | A base class for widgets with alignments and padding | 
| CNotebook | Container which shows one of its children at a time, in tabbed windows | 
| CObject | Gtk::Object is the base class for all widgets, and for a few non-widget objects such as Gtk::Adjustment | 
| COffscreenWindow | A top-level container widget used to manage offscreen rendering of child widgets | 
| COptionMenu | A widget used to choose from a list of valid choices | 
| COrientable | This interface is implemented by all widgets that can be oriented horizontally or vertically | 
| CPageSetup | A PageSetup object stores the page size, orientation and margins | 
| CPageSetupUnixDialog | PageSetupUnixDialog implements a page setup dialog for platforms which don't provide a native page setup dialog, like Unix | 
| CPaned | This is the base class for widgets with two panes, arranged either horizontally (Gtk::HPaned) or vertically (Gtk::VPaned) | 
| CPaperSize | PaperSize handles paper sizes | 
| CPlug |  | 
| CPrintContext | A PrintContext encapsulates context information that is required when drawing pages for printing, such as the cairo context and important parameters like page size and resolution | 
| CPrinter | A Printer object represents a printer | 
| CPrintError |  | 
| CPrintJob | A PrintJob object represents a job that is sent to a printer | 
| CPrintOperation | PrintOperation is the high-level, portable printing API | 
| CPrintOperationPreview |  | 
| ►CPrintSettings | A PrintSettings object represents the settings of a print dialog in a system-independent way | 
| CKeys | Print settings keys | 
| CPageRange |  | 
| CPrintUnixDialog | PrintUnixDialog implements a print dialog for platforms which don't provide a native print dialog, like Unix | 
| CProgressBar | A widget which indicates progress visually | 
| CRadioAction | An action of which only one in a group can be active | 
| CRadioButton | A single radio button performs the same basic function as a Gtk::CheckButton, as its position in the object hierarchy reflects | 
| CRadioButtonGroup | RadioButtonGroup identifier for RadioButtons To set up this RadioButtonGroup, construct a RadioButtonGroup and then pass it to the constructor of all radio items | 
| CRadioMenuItem | A CheckMenuItem that belongs to a group | 
| CRadioToolButton | A toolbar item that contains a radio button | 
| CRange | Base class for widgets which visualize an adjustment | 
| CRC |  | 
| CRcStyle |  | 
| CRecentAction | An action of which represents a list of recently used files | 
| CRecentChooser | RecentChooser is an interface that can be implemented by widgets displaying the list of recently used files | 
| CRecentChooserDialog | RecentChooserDialog is a dialog box suitable for displaying the recently used documents | 
| CRecentChooserError | Exception class for Gtk::RecentChooser errors | 
| CRecentChooserMenu | RecentChooserMenu is a widget suitable for displaying recently used files inside a menu | 
| CRecentChooserWidget | RecentChooserWidget is a widget suitable for selecting recently used files | 
| ►CRecentFilter | RecentFilter can be used to restrict the files being shown in a RecentChooser | 
| CInfo | A RecentFilter::Info class is used to pass information about the tested file to filter() | 
| CRecentInfo | Contains informations found when looking up an entry of the recently used files list | 
| ►CRecentManager | RecentManager provides a facility for adding, removing and looking up recently used files | 
| CData | Meta-data passed to add_item() | 
| CRecentManagerError | Exception class for Gtk::RecentManager errors | 
| CRuler | Base class for horizontal or vertical rulers | 
| CScale | Abstract base clase for Gtk::HScale and Gtk::VScale | 
| CScaleButton | A button which pops up a scale widget | 
| CScrollbar | The Gtk::Scrollbar widget is an abstract base class for Gtk::HScrollbar and Gtk::VScrollbar | 
| CScrolledWindow | Adds scrollbars to its child widget | 
| CSelectionData |  | 
| CSeparator | Separator base class | 
| CSeparatorMenuItem | A separator used to group items within a menu | 
| CSeparatorToolItem | A toolbar item that separates groups of other toolbar items | 
| CSettings | Sharing settings between applications | 
| CSizeGroup | Gtk::SizeGroup provides a mechanism for grouping a number of widgets together so they all request the same amount of space | 
| CSocket | Container for widgets from other processes | 
| CSpinButton | Numeric Entry with up/down buttons Slightly misnamed, this should be called a SpinEntry | 
| CSpinner | A widget that displays a spinner animation | 
| CStatusbar | Text status indicator This widget is used to display status information | 
| CStatusIcon | The "system tray" or notification area is normally used for transient icons that indicate some special state | 
| CStockID | See also Gtk::BuiltinStockID | 
| CStockItem |  | 
| CStyle |  | 
| CTable | Pack widgets in regular patterns | 
| CTargetEntry |  | 
| CTargetList |  | 
| CTearoffMenuItem | A special Gtk::MenuItem which is used to tear off and reattach its menu | 
| CTextAttributes |  | 
| CTextBuffer | Multi-line attributed text that can be displayed by one or more Gtk::TextView widgets | 
| CTextChildAnchor | A TextChildAnchor is a spot in the buffer where child widgets can be "anchored" (inserted inline, as if they were characters) | 
| CTextIter | Typefed as Gtk::TextBuffer::iterator | 
| CTextMark | Typedefed as Gtk::TextBuffer::Mark | 
| CTextTag | Typedefed as Gtk::TextBuffer::Tag | 
| CTextTagTable | Typedefed as Gtk::TextBuffer::TagTable | 
| CTextView | Multi-line text editing widget | 
| CToggleAction | An action which can be toggled between two states | 
| CToggleButton | A Gtk::ToggleButton will remain 'pressed-in' when clicked | 
| CToggleToolButton | A Gtk::ToolItem containing a toggle button | 
| CToolbar | Bars of buttons and other widgets | 
| CToolButton | A Gtk::ToolItem subclass that displays buttons | 
| CToolItem |  | 
| CToolItemGroup | A ToolItemGroup is used together with ToolPalette to add ToolItems to a palette-like container with different categories and drag and drop support | 
| CToolPalette | A ToolPalette allows you to add ToolItems to a palette-like container with various categories and drag and drop support | 
| CToolShell | A base class for containers containing ToolItem widgets | 
| CTooltip | Add tips to your widgets | 
| CTooltips | Tooltips are the messages that appear next to a widget when the mouse pointer is held over it for a short amount of time | 
| CTreeDragDest |  | 
| CTreeDragSource |  | 
| CTreeIter | A Gtk::TreeModel::iterator is a reference to a specific node on a specific model | 
| CTreeIterBase |  | 
| CTreeModel | This class defines a generic tree interface for use by the Gtk::TreeView widget | 
| CTreeModelColumn | A Gtk::TreeModelColumn describes the C++ type of the data in a model column, and identifies that column in the model | 
| CTreeModelColumnBase | Base class of TreeModelColumn templates | 
| CTreeModelColumnRecord | Typedefed as TreeModel::ColumnRecord | 
| CTreeModelFilter |  | 
| CTreeModelSort | A wrapper which makes an underlying Gtk::TreeModel sortable | 
| CTreeNodeChildren | Typedefed as TreeModel::Children | 
| CTreePath | A path is essentially a potential node | 
| CTreeRow | Typedefed as TreeModel::Row | 
| CTreeRowReference | Typedefed as Gtk::TreeModel::RowReference | 
| CTreeSelection | Typedefed as Gtk::TreeView::Selection | 
| CTreeSortable |  | 
| CTreeStore |  | 
| CTreeValueProxy |  | 
| CTreeView | Displays the model (Gtk::TreeModel) data and allows the user to interact with it | 
| CTreeViewColumn | Typedefed as Gtk::TreeView::Column | 
| CUIManager | Constructing menus and toolbars from an XML description | 
| CVBox | Vertical Box for laying widgets in a vertical row | 
| CVButtonBox | A container for arranging buttons vertically | 
| CViewport | An adapter which makes widgets scrollable | 
| CVolumeButton | A button which pops up a volume control | 
| CVPaned | The Gtk::VPaned widget is a container widget with two children arranged vertically | 
| CVRuler | Vertical Ruler | 
| CVScale | A vertical slider for selecting values | 
| CVScrollbar | A vertical scrollbar | 
| CVSeparator | Vertical line widget | 
| CWidget | Abstract Widget (Base class for all widgets) | 
| CWindow | Toplevel Window This represents all widgets which are physical windows controlled by the window manager | 
| CWindowGroup | Limit the effect of grabs |