| CGdk::Color | Gdk::Color is used to describe an allocated or unallocated color | 
| CGdk::Event |  | 
| CGdk::PixbufFormat |  | 
| CGdk::Point | This is a simple structure containing an x and y coordinate of a point | 
| CGdk::Rectangle | Gdk::Rectangle is a structure holding the position and size of a rectangle | 
| CGdk::RGBA | An RGBA Color | 
| CGdk::TimeCoord | A Gdk::TimeCoord instance contains a single event of motion history | 
| ▼CGlib::Exception [external] |  | 
| ▼CGlib::Error [external] |  | 
| CGdk::GLError |  | 
| CGdk::PixbufError | Exception class for Gdk::Pixbuf errors | 
| CGtk::BuilderError | Exception class for Gdk::Builder errors | 
| CGtk::CssProviderError | Exception class for Gtk::CssProvider errors | 
| CGtk::FileChooserError | Exception class for Gdk::FileChooser errors | 
| CGtk::IconThemeError | Exception class for Gtk::IconTheme errors | 
| CGtk::PrintError |  | 
| CGtk::RecentChooserError | Exception class for Gtk::RecentChooser errors | 
| CGtk::RecentManagerError | Exception class for Gtk::RecentManager errors | 
| ▼CGlib::SignalProxyBase [external] |  | 
| ▼CGlib::SignalProxyProperty [external] |  | 
| CGtk::SignalProxyChildProperty |  | 
| ▼CGlib::ValueBase [external] |  | 
| ▼CGlib::ValueBase_Boxed [external] |  | 
| CGlib::Value< Glib::RefPtr< Gtk::RecentInfo > > |  | 
| CGlib::Value< Glib::RefPtr< Gtk::TargetList > > |  | 
| CGtk::AccelKey | Defines accelerator key combinations | 
| CGtk::Border | This specifies a border around a rectangular area that can be of a different width on each side | 
| CGtk::BuiltinStockID | See the list of pre-defined stock items, in the Stock namespace | 
| ▼CGtk::ChildPropertyProxy_Base |  | 
| CGtk::ChildPropertyProxy< T > | A ChildPropertyProxy can be used to get and set the value of a GtkContainer's child property | 
| CGtk::ChildPropertyProxy_ReadOnly< T > | See ChildPropertyProxy() | 
| CGtk::ChildPropertyProxy_WriteOnly< T > | See ChildPropertyProxy() | 
| CGtk::CssSection | Defines a part of a CSS document | 
| CGtk::FileFilter::Info |  | 
| CGtk::IconInfo |  | 
| CGtk::IconSet | This manages a set of variants of a particular icon An IconSet contains variants for different sizes and widget states | 
| CGtk::IconSize | Represents registered icon sizes | 
| CGtk::IconSource |  | 
| CGtk::PaperSize | PaperSize handles paper sizes | 
| CGtk::PrintSettings::Keys | Print settings keys | 
| CGtk::PrintSettings::PageRange |  | 
| CGtk::RadioButtonGroup | RadioButtonGroup identifier for RadioButtons To set up this RadioButtonGroup, construct a RadioButtonGroup and then pass it to the constructor of all radio items | 
| CGtk::RecentFilter::Info | A RecentFilter::Info class is used to pass information about the tested file to filter() | 
| CGtk::RecentInfo | Contains information found when looking up an entry of the recently used files list | 
| CGtk::RecentManager::Data | Meta-data passed to add_item() | 
| CGtk::SelectionData |  | 
| CGtk::StockID | See also Gtk::BuiltinStockID | 
| CGtk::StockItem |  | 
| ▼CGtk::StylePropertyBase | Base class for widget style properties | 
| CGtk::StyleProperty< T > | Represents a widget style property | 
| CGtk::TargetEntry |  | 
| CGtk::TargetList |  | 
| CGtk::TextAttributes |  | 
| CGtk::TextIter | Typefed as Gtk::TextBuffer::iterator | 
| ▼CGtk::TreeIterBase |  | 
| ▼CGtk::TreeIter | A Gtk::TreeModel::iterator is a reference to a specific node on a specific model | 
| CGtk::TreeNodeChildren | Typedefed as TreeModel::Children | 
| CGtk::TreeRow | Typedefed as TreeModel::Row | 
| ▼CGtk::TreeModelColumnBase | Base class of TreeModelColumn templates | 
| CGtk::TreeModelColumn< T > | A Gtk::TreeModelColumn describes the C++ type of the data in a model column, and identifies that column in the model | 
| CGtk::TreeModelColumn< ColumnType > |  | 
| CGtk::TreeModelColumn< Glib::ustring > |  | 
| ▼CGtk::TreeModelColumnRecord | Typedefed as TreeModel::ColumnRecord | 
| CGtk::ListViewText::TextModelColumns |  | 
| CGtk::TreePath | A path is essentially a potential node | 
| CGtk::TreeRowReference | Typedefed as Gtk::TreeModel::RowReference | 
| CGtk::TreeValueProxy< ColumnType > |  | 
| CGtk::WidgetPath | This represents a widget hierarchy from the topmost widget, typically a toplevel, to any child | 
| ▼Csigc::trackable [external] |  | 
| ▼CGlib::ObjectBase [external] |  | 
| ►CGlib::Interface [external] |  | 
| ►CAtk::Implementor [external] |  | 
| ►CGtk::Widget | Abstract Widget (Base class for all widgets) | 
| CGtk::Calendar | Display a calendar and/or allow the user to select a date | 
| CGtk::CellView | A widget displaying a single row of a TreeModel | 
| ►CGtk::Container | Abstract container class | 
| ►CGtk::Bin | A container with just one child | 
| CGtk::ActionBar | A full width bar for presenting contextual actions | 
| CGtk::Alignment | A widget which controls the alignment and size of its child | 
| ►CGtk::Button | A widget that creates a signal when clicked on | 
| CGtk::ColorButton | A button to launch a color selection dialog | 
| CGtk::FontButton | A button to launch a font selection dialog | 
| CGtk::LinkButton | Create buttons bound to a URL | 
| CGtk::LockButton | A widget to unlock or lock privileged operations | 
| CGtk::ModelButton | A button that uses a Gio::Action as model | 
| ►CGtk::ScaleButton | A button which pops up a scale widget | 
| CGtk::VolumeButton | A button which pops up a volume control | 
| ►CGtk::ToggleButton | A Gtk::ToggleButton will remain 'pressed-in' when clicked | 
| ►CGtk::CheckButton | Create widgets with a discrete toggle button | 
| CGtk::RadioButton | A single radio button performs the same basic function as a Gtk::CheckButton, as its position in the object hierarchy reflects | 
| CGtk::MenuButton | A widget that shows a menu when clicked on | 
| ►CGtk::ComboBox | A widget used to choose from a list of items | 
| CGtk::AppChooserButton | A button to launch an application chooser dialog | 
| CGtk::ComboBoxText | This is a simple variant of ComboBox that hides the model-view complexity for simple text-only use cases | 
| CGtk::EventBox | Event capturing box | 
| CGtk::Expander | A container which can hide its child | 
| CGtk::FlowBoxChild | See the description of FlowBox | 
| ►CGtk::Frame | A Gtk::Bin with a decorative frame and optional label | 
| CGtk::AspectFrame | A frame that constrains its child to a particular aspect ratio | 
| CGtk::HandleBox | A widget for detachable window portions | 
| CGtk::ListBoxRow | See the description of ListBox | 
| ►CGtk::MenuItem | Child item for menus | 
| ►CGtk::CheckMenuItem | A menu item that maintains the state of a boolean value in addition to a Gtk::MenuItem's usual role in activating application code | 
| CGtk::RadioMenuItem | A CheckMenuItem that belongs to a group | 
| CGtk::ImageMenuItem | A menu item with an icon | 
| CGtk::SeparatorMenuItem | A separator used to group items within a menu | 
| CGtk::TearoffMenuItem | A special Gtk::MenuItem which is used to tear off and reattach its menu | 
| CGtk::Overlay | A container which overlays widgets on top of each other | 
| ►CGtk::Popover | Context dependent bubbles | 
| CGtk::PopoverMenu | A Popover to use as a menu | 
| CGtk::Revealer | Hide and show with animation | 
| ►CGtk::ScrolledWindow | Adds scrollbars to its child widget | 
| CGtk::PlacesSidebar | Sidebar that displays frequently-used places in the file system | 
| CGtk::SearchBar | A toolbar to integrate a search entry with | 
| CGtk::StackSidebar | Sidebar widget that shows the pages of a Stack | 
| ►CGtk::ToolItem | The base class of widgets that can be added to ToolShell | 
| CGtk::SeparatorToolItem | A toolbar item that separates groups of other toolbar items | 
| ►CGtk::ToolButton | A Gtk::ToolItem subclass that displays buttons | 
| CGtk::MenuToolButton | A Gtk::ToolItem containing a toggle button | 
| ►CGtk::ToggleToolButton | A Gtk::ToolItem containing a toggle button | 
| CGtk::RadioToolButton | A toolbar item that contains a radio button | 
| CGtk::Viewport | An adapter which makes widgets scrollable | 
| ►CGtk::Window | Toplevel Window | 
| CGtk::ApplicationWindow | A Gtk::Window subclass with Gtk::Application support | 
| CGtk::Assistant | A widget used to guide users through multi-step operations | 
| ►CGtk::Dialog | Create popup windows | 
| CGtk::AboutDialog | The AboutDialog offers a simple way to display information about a program like its logo, name, copyright, website and license | 
| CGtk::AppChooserDialog | An application chooser dialog | 
| CGtk::ColorChooserDialog | This dialog is for choosing a color | 
| CGtk::ColorSelectionDialog | This dialog allows the user to select a color | 
| CGtk::FileChooserDialog | Convenient file chooser window | 
| CGtk::FontChooserDialog | A dialog box for selecting fonts | 
| CGtk::FontSelectionDialog | A dialog box for selecting fonts | 
| CGtk::MessageDialog | Convenient message window | 
| CGtk::PageSetupUnixDialog | PageSetupUnixDialog implements a page setup dialog for platforms which don't provide a native page setup dialog, like Unix | 
| CGtk::PrintUnixDialog | PrintUnixDialog implements a print dialog for platforms which don't provide a native print dialog, like Unix | 
| CGtk::RecentChooserDialog | RecentChooserDialog is a dialog box suitable for displaying the recently used documents | 
| CGtk::OffscreenWindow | A top-level container widget used to manage offscreen rendering of child widgets | 
| CGtk::Plug | Toplevel for embedding into other processes | 
| CGtk::ShortcutsWindow | Toplevel which shows help for shortcuts | 
| ►CGtk::Box | Organizes child widgets into a rectangular area | 
| CGtk::AppChooserWidget | An application chooser widget that can be embedded in other widgets | 
| ►CGtk::ButtonBox | A container for arranging buttons | 
| CGtk::HButtonBox | A container for arranging buttons horizontally | 
| CGtk::VButtonBox | A container for arranging buttons vertically | 
| CGtk::FontChooserWidget | A dialog box for selecting fonts | 
| ►CGtk::HBox | Horizontal Box for laying widgets in a horizontal row | 
| CGtk::FileChooserButton | A button to launch a file chooser dialog | 
| CGtk::InfoBar | This widget that can be used to show messages to the user without showing a dialog | 
| CGtk::Statusbar | Text status indicator This widget is used to display status information | 
| CGtk::ShortcutsGroup | Represents a group of shortcuts in a ShortcutsWindow | 
| CGtk::ShortcutsSection | Represents an application mode in a ShortcutsWindow | 
| CGtk::ShortcutsShortcut | Represents a keyboard shortcut in a ShortcutsWindow | 
| CGtk::StackSwitcher | A controller for a Gtk::Stack | 
| ►CGtk::VBox | Vertical Box for laying widgets in a vertical row | 
| CGtk::ColorSelection | A widget used to select a color | 
| CGtk::FileChooserWidget | File chooser widget that can be embedded in other widgets | 
| CGtk::FontSelection | A widget for selecting fonts | 
| CGtk::RecentChooserWidget | RecentChooserWidget is a widget suitable for selecting recently used files | 
| CGtk::Fixed | A container which allows you to position widgets at fixed coordinates | 
| CGtk::FlowBox | A container that allows reflowing its children | 
| CGtk::Grid | A container which arranges its child widgets in rows and columns | 
| CGtk::HeaderBar | A box with a centered child | 
| CGtk::IconView | The IconView provides an alternative view of a list model | 
| CGtk::Layout | Infinite scrollable area containing child widgets and/or custom drawing | 
| CGtk::ListBox | A ListBox is a vertical container that contains ListBoxRow children | 
| ►CGtk::MenuShell | The abstract base class for Gtk::Menu and Gtk::MenuBar | 
| ►CGtk::Menu | A drop-down menu consisting of Gtk::MenuItem objects which can be navigated and activated by the user to perform application functions | 
| CGtk::RecentChooserMenu | RecentChooserMenu is a widget suitable for displaying recently used files inside a menu | 
| CGtk::MenuBar | A standard menu bar which usually holds Gtk::Menu submenu items | 
| CGtk::Notebook | Container which shows one of its children at a time, in tabbed windows | 
| ►CGtk::Paned | A widget with two adjustable panes | 
| CGtk::HPaned | The Gtk::HPaned widget is a container widget with two children arranged horizontally | 
| CGtk::VPaned | The Gtk::VPaned widget is a container widget with two children arranged vertically | 
| CGtk::Socket | Container for widgets from other processes | 
| CGtk::Stack | A container that shows only one child at a time | 
| CGtk::Table | Pack widgets in regular patterns | 
| CGtk::TextView | Multi-line text editing widget | 
| CGtk::Toolbar | Bars of buttons and other widgets | 
| CGtk::ToolItemGroup | A ToolItemGroup is used together with ToolPalette to add ToolItems to a palette-like container with different categories and drag and drop support | 
| CGtk::ToolPalette | A ToolPalette allows you to add ToolItems to a palette-like container with various categories and drag and drop support | 
| ►CGtk::TreeView | Displays the model (Gtk::TreeModel) data and allows the user to interact with it | 
| CGtk::ListViewText | A simple listbox which presents some lines of information in columns and lets the user select some of them | 
| CGtk::DrawingArea | A widget for custom user interface elements | 
| ►CGtk::Entry | A single line text entry field | 
| CGtk::SearchEntry | This is a subclass of Gtk::Entry that has been tailored for use as a search entry | 
| CGtk::SpinButton | Numeric Entry with up/down buttons Slightly misnamed, this should be called a SpinEntry | 
| CGtk::GLArea | A widget used for drawing with OpenGL | 
| CGtk::Invisible | This widget is used internally in GTK+, and is probably not useful for application developers | 
| CGtk::LevelBar | A bar that can used as a level indicator | 
| ►CGtk::Misc | A base class for widgets with alignments and padding | 
| CGtk::Arrow | Produces an arrow pointing in one of the four cardinal directions | 
| CGtk::Image | A widget displaying an image | 
| ►CGtk::Label | A widget that displays a small to medium amount of text | 
| CGtk::AccelLabel | A label which displays an accelerator key on the right of the text | 
| CGtk::ProgressBar | A widget which indicates progress visually | 
| ►CGtk::Range | Base class for widgets which visualize an adjustment | 
| ►CGtk::Scale | A slider widget for selecting a value from a range | 
| CGtk::HScale | A horizontal slider for selecting values | 
| CGtk::VScale | A vertical slider for selecting values | 
| ►CGtk::Scrollbar | A Scrollbar | 
| CGtk::HScrollbar | A horizontal scrollbar | 
| CGtk::VScrollbar | A vertical scrollbar | 
| ►CGtk::Separator | A separator widget | 
| CGtk::HSeparator | Horizontal line widget | 
| CGtk::VSeparator | Vertical line widget | 
| CGtk::Spinner | A widget that displays a spinner animation | 
| CGtk::Switch | A "light switch"-style toggle | 
| ►CGio::ActionGroup [external] |  | 
| ►CGio::Application [external] |  | 
| CGtk::Application | The Gtk::Application class handles many important aspects of a GTK+ application in a convenient fashion, without enforcing a one-size-fits-all application model | 
| CGtk::ApplicationWindow | A Gtk::Window subclass with Gtk::Application support | 
| ►CGio::ActionMap [external] |  | 
| CGio::Application [external] |  | 
| CGtk::ApplicationWindow | A Gtk::Window subclass with Gtk::Application support | 
| ►CGio::Icon [external] |  | 
| CGdk::Pixbuf |  | 
| ►CGio::EmblemedIcon [external] |  | 
| CGtk::NumerableIcon | A Gio::Icon that allows numbered emblems | 
| CGtk::Actionable | This interface provides a convenient way of associating widgets with actions on a ApplicationWindow or Application | 
| ►CGtk::Activatable | Activatable widgets can be connected to a Gtk::Action and reflect the state of the action | 
| CGtk::Button | A widget that creates a signal when clicked on | 
| CGtk::MenuItem | Child item for menus | 
| CGtk::RecentChooserMenu | RecentChooserMenu is a widget suitable for displaying recently used files inside a menu | 
| CGtk::Switch | A "light switch"-style toggle | 
| CGtk::ToolItem | The base class of widgets that can be added to ToolShell | 
| ►CGtk::AppChooser | Interface implemented by widgets for choosing an application | 
| CGtk::AppChooserButton | A button to launch an application chooser dialog | 
| CGtk::AppChooserDialog | An application chooser dialog | 
| CGtk::AppChooserWidget | An application chooser widget that can be embedded in other widgets | 
| ►CGtk::Buildable | A base class for objects that can be built by Gtk::Builder | 
| ►CGtk::Action | An action which can be triggered by a menu or toolbar item | 
| CGtk::RecentAction | An action of which represents a list of recently used files | 
| ►CGtk::ToggleAction | An action which can be toggled between two states | 
| CGtk::RadioAction | An action of which only one in a group can be active | 
| CGtk::ActionGroup |  | 
| ►CGtk::CellArea | An abstract base class for laying out CellRenderers | 
| CGtk::CellAreaBox | A cell area that renders CellRenderers into a row or a colum, depending on its orientation | 
| CGtk::EntryCompletion | Completion functionality for Gtk::Entry | 
| CGtk::ListStore | Thist is a list model for use with a Gtk::TreeView widget | 
| CGtk::SizeGroup | Gtk::SizeGroup provides a mechanism for grouping a number of widgets together so they all request the same amount of space | 
| CGtk::TreeStore |  | 
| CGtk::Widget | Abstract Widget (Base class for all widgets) | 
| ►CGtk::CellEditable | Interface for widgets which are used for editing cells | 
| CGtk::ComboBox | A widget used to choose from a list of items | 
| CGtk::Entry | A single line text entry field | 
| ►CGtk::CellLayout | An interface for packing cells | 
| CGtk::CellArea | An abstract base class for laying out CellRenderers | 
| CGtk::CellView | A widget displaying a single row of a TreeModel | 
| CGtk::ComboBox | A widget used to choose from a list of items | 
| CGtk::EntryCompletion | Completion functionality for Gtk::Entry | 
| CGtk::IconView | The IconView provides an alternative view of a list model | 
| CGtk::TreeViewColumn | Typedefed as Gtk::TreeView::Column | 
| ►CGtk::ColorChooser | This interface can be implemented by widgets which allow the user to choose a color | 
| CGtk::ColorChooserDialog | This dialog is for choosing a color | 
| ►CGtk::Editable | Base class for text-editing widgets | 
| CGtk::Entry | A single line text entry field | 
| ►CGtk::FileChooser | Gtk::FileChooser is an interface that can be implemented by file selection widgets | 
| CGtk::FileChooserButton | A button to launch a file chooser dialog | 
| CGtk::FileChooserDialog | Convenient file chooser window | 
| CGtk::FileChooserWidget | File chooser widget that can be embedded in other widgets | 
| ►CGtk::FontChooser | An interface implemented by widgets displaying fonts | 
| CGtk::FontChooserDialog | A dialog box for selecting fonts | 
| CGtk::FontChooserWidget | A dialog box for selecting fonts | 
| ►CGtk::Orientable | This interface is implemented by all widgets that can be oriented horizontally or vertically | 
| CGtk::Box | Organizes child widgets into a rectangular area | 
| CGtk::CellAreaBox | A cell area that renders CellRenderers into a row or a colum, depending on its orientation | 
| CGtk::CellRendererProgress | Renders numbers as progress bars | 
| CGtk::CellView | A widget displaying a single row of a TreeModel | 
| CGtk::FlowBox | A container that allows reflowing its children | 
| CGtk::Grid | A container which arranges its child widgets in rows and columns | 
| CGtk::Paned | A widget with two adjustable panes | 
| CGtk::ProgressBar | A widget which indicates progress visually | 
| CGtk::ScaleButton | A button which pops up a scale widget | 
| CGtk::Scrollbar | A Scrollbar | 
| CGtk::Separator | A separator widget | 
| CGtk::ToolPalette | A ToolPalette allows you to add ToolItems to a palette-like container with various categories and drag and drop support | 
| ►CGtk::PrintOperationPreview |  | 
| CGtk::PrintOperation | PrintOperation is the high-level, portable printing API | 
| ►CGtk::RecentChooser | RecentChooser is an interface that can be implemented by widgets displaying the list of recently used files | 
| CGtk::RecentAction | An action of which represents a list of recently used files | 
| CGtk::RecentChooserDialog | RecentChooserDialog is a dialog box suitable for displaying the recently used documents | 
| CGtk::RecentChooserMenu | RecentChooserMenu is a widget suitable for displaying recently used files inside a menu | 
| CGtk::RecentChooserWidget | RecentChooserWidget is a widget suitable for selecting recently used files | 
| ►CGtk::Scrollable | This interface is implemented by widgets with native scrolling ability | 
| CGtk::IconView | The IconView provides an alternative view of a list model | 
| CGtk::Layout | Infinite scrollable area containing child widgets and/or custom drawing | 
| CGtk::TextView | Multi-line text editing widget | 
| CGtk::ToolPalette | A ToolPalette allows you to add ToolItems to a palette-like container with various categories and drag and drop support | 
| CGtk::TreeView | Displays the model (Gtk::TreeModel) data and allows the user to interact with it | 
| CGtk::Viewport | An adapter which makes widgets scrollable | 
| ►CGtk::StyleProvider | This is a base class used to provide style information to a StyleContext | 
| CGtk::CssProvider | CSS-like styling for widgets, implementing the StyleProvider base class | 
| ►CGtk::ToolShell | A base class for containers containing ToolItem widgets | 
| CGtk::Toolbar | Bars of buttons and other widgets | 
| CGtk::ToolItemGroup | A ToolItemGroup is used together with ToolPalette to add ToolItems to a palette-like container with different categories and drag and drop support | 
| ►CGtk::TreeDragDest |  | 
| CGtk::ListStore | Thist is a list model for use with a Gtk::TreeView widget | 
| CGtk::TreeStore |  | 
| ►CGtk::TreeDragSource |  | 
| CGtk::ListStore | Thist is a list model for use with a Gtk::TreeView widget | 
| CGtk::TreeStore |  | 
| ►CGtk::TreeModel | This class defines a generic tree interface for use by the Gtk::TreeView widget | 
| CGtk::ListStore | Thist is a list model for use with a Gtk::TreeView widget | 
| CGtk::TreeModelFilter |  | 
| CGtk::TreeModelSort | A wrapper which makes an underlying Gtk::TreeModel sortable | 
| CGtk::TreeStore |  | 
| ►CGtk::TreeSortable |  | 
| CGtk::ListStore | Thist is a list model for use with a Gtk::TreeView widget | 
| CGtk::TreeModelSort | A wrapper which makes an underlying Gtk::TreeModel sortable | 
| CGtk::TreeStore |  | 
| ►CGlib::Object [external] |  | 
| CGdk::Cursor | This represents a cursor | 
| CGdk::Device | A Gdk::Device instance contains a detailed description of an extended input device | 
| CGdk::DeviceManager | Functions for handling input devices | 
| CGdk::Display | 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 | 
| CGdk::DisplayManager | The purpose of the GdkDisplayManager singleton object is to offer notification when displays appear or disappear or the default display changes | 
| CGdk::DragContext | A Gdk::DragContext holds information about a drag in progress | 
| CGdk::GLContext | A Gdk::GLContext is an OpenGL context abstraction | 
| CGdk::Pixbuf |  | 
| CGdk::PixbufAnimation | The gdk-pixbuf library provides a simple mechanism to load and represent animations | 
| CGdk::PixbufAnimationIter | An iterator which points to a certain position in a PixbufAnimation | 
| CGdk::PixbufLoader |  | 
| CGdk::Screen | Object representing a physical screen Gdk::Screen objects are the GDK representation of a physical screen | 
| CGdk::Seat | A Gdk::Seat object represents a collection of input devices that belong to a user | 
| CGdk::Visual | A Gdk::Visual describes a particular video hardware display format | 
| CGdk::Window | A Gdk::Window is a rectangular region on the screen | 
| ►CGio::AppLaunchContext [external] |  | 
| CGdk::AppLaunchContext | This is an implementation of Gio::AppLaunchContext that handles launching an application in a graphical context | 
| CGio::Application [external] |  | 
| CGio::EmblemedIcon [external] |  | 
| CGtk::AccelGroup | A Gtk::AccelGroup represents a group of keyboard accelerators, typically attached to a toplevel Gtk::Window (with Gtk::Window::add_accel_group()) | 
| CGtk::Action | An action which can be triggered by a menu or toolbar item | 
| CGtk::ActionGroup |  | 
| CGtk::Adjustment | A class representing an adjustable bounded value | 
| CGtk::Builder | Build an interface from an XML UI definition description | 
| CGtk::CellArea | An abstract base class for laying out CellRenderers | 
| CGtk::CellAreaContext | This stores geometrical information for a series of rows in a CellArea | 
| CGtk::Clipboard | The Clipboard object represents a clipboard of data shared between different processes or between different widgets in the same process | 
| CGtk::CssProvider | CSS-like styling for widgets, implementing the StyleProvider base class | 
| CGtk::EntryBuffer | A Text buffer for the Entry widget | 
| CGtk::EntryCompletion | Completion functionality for Gtk::Entry | 
| ►CGtk::EventController | Self-contained handler of series of events | 
| ►CGtk::Gesture | Abstract base class for gestures | 
| CGtk::GestureRotate | Rotate gesture | 
| ►CGtk::GestureSingle | Abstract base class for mouse/single-touch gestures | 
| ►CGtk::GestureDrag | Drag gesture | 
| CGtk::GesturePan | Pan gesture | 
| CGtk::GestureLongPress | "Press and Hold" gesture | 
| CGtk::GestureMultiPress | Multipress gesture | 
| CGtk::GestureSwipe | Swipe gesture | 
| CGtk::GestureZoom | Zoom gesture | 
| CGtk::FileFilter | A filter for selecting a file subset | 
| CGtk::IconFactory |  | 
| CGtk::IconTheme |  | 
| CGtk::ListStore | Thist is a list model for use with a Gtk::TreeView widget | 
| ►CGtk::Object | Gtk::Object is the base class for all widgets, and for a few non-widget objects such as Gtk::Adjustment | 
| ►CGtk::CellRenderer | CellRenderers are used by Gtk::TreeView columns to render the Gtk::TreeModel column data appropriately | 
| CGtk::CellRendererPixbuf | Renders a pixbuf in a cell | 
| CGtk::CellRendererProgress | Renders numbers as progress bars | 
| CGtk::CellRendererSpinner | Renders a spinning animation in a cell | 
| ►CGtk::CellRendererText | Renders text in a cell | 
| CGtk::CellRendererAccel | Renders a keyboard accelerator in a cell | 
| CGtk::CellRendererCombo | Renders a combobox in a cell | 
| CGtk::CellRendererSpin | Renders a spin button in a cell | 
| CGtk::CellRendererToggle | Renders a toggle button in a cell | 
| CGtk::TreeViewColumn | Typedefed as Gtk::TreeView::Column | 
| CGtk::Widget | Abstract Widget (Base class for all widgets) | 
| CGtk::PageSetup | A PageSetup object stores the page size, orientation and margins | 
| CGtk::PrintContext | 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 | 
| CGtk::Printer | A Printer object represents a printer | 
| CGtk::PrintJob | A PrintJob object represents a job that is sent to a printer | 
| CGtk::PrintOperation | PrintOperation is the high-level, portable printing API | 
| CGtk::PrintSettings | A PrintSettings object represents the settings of a print dialog in a system-independent way | 
| CGtk::RecentFilter | RecentFilter can be used to restrict the files being shown in a RecentChooser | 
| CGtk::RecentManager | RecentManager provides a facility for adding, removing and looking up recently used files | 
| CGtk::Settings | Sharing settings between applications | 
| CGtk::SizeGroup | Gtk::SizeGroup provides a mechanism for grouping a number of widgets together so they all request the same amount of space | 
| CGtk::StatusIcon | The "system tray" or notification area is normally used for transient icons that indicate some special state | 
| CGtk::StyleContext | This object stores styling information affecting a widget defined by WidgetPath | 
| CGtk::TextBuffer | Multi-line attributed text that can be displayed by one or more Gtk::TextView widgets | 
| CGtk::TextChildAnchor | A TextChildAnchor is a spot in the buffer where child widgets can be "anchored" (inserted inline, as if they were characters) | 
| CGtk::TextMark | Typedefed as Gtk::TextBuffer::Mark | 
| CGtk::TextTag | Typedefed as Gtk::TextBuffer::Tag | 
| CGtk::TextTagTable | Typedefed as Gtk::TextBuffer::TagTable | 
| CGtk::Tooltip | Add tips to your widgets | 
| CGtk::TreeModelFilter |  | 
| CGtk::TreeModelSort | A wrapper which makes an underlying Gtk::TreeModel sortable | 
| CGtk::TreeSelection | Typedefed as Gtk::TreeView::Selection | 
| CGtk::TreeStore |  | 
| CGtk::UIManager | Constructing menus and toolbars from an XML description | 
| CGtk::WindowGroup | Limit the effect of grabs | 
| CGtk::Main | Main application class |