Low level GUI widgets

All the low level widgets and built-in dialogs of GUI class library in ROOT.

Modules
	GUI Geometry
	Several small geometry classes that implement dimensions (width and height), positions (x and y), insets and rectangles.

Classes
class	TBrowserPlugin
	Helper class used to manage plugins (command or macro to be executed). More...
class	TCursorSwitcher
	Helper class used to change the cursor in a method and restore the original one when going out of the method scope. More...
class	TDNDData
	Drag and drop data container. More...
class	TG16ColorSelector
	A composite frame with 16 TGColorFrames. More...
class	TGApplication
	This class initialize the ROOT GUI toolkit. More...
class	TGButton
	A button abstract base class. More...
class	TGButtonGroup
	Organizes TGButton widgets in a group. More...
class	TGCanvas
	A frame containing two scrollbars (a horizontal and a vertical) and a viewport. More...
class	TGCheckButton
	Selects different options. More...
class	TGClient
	Window client. More...
class	TGColorDialog
	A full featured color selection dialog. More...
class	TGColorFrame
	A small frame with border showing a specific color. More...
class	TGColorPalette
	A widget showing an matrix of color cells. More...
class	TGColorPick
	A widget which allows a color to be picked from HLS color space. More...
class	TGColorPopup
	A popup containing a TG16ColorSelector and a "More..." button which popups up a TGColorDialog allowing custom color selection. More...
class	TGColorSelect
	Like a checkbutton but instead of the check mark there is color area with a little down arrow. More...
class	TGColumnLayout
	The following layout manager do not make use of TGLayoutHints. More...
class	TGComboBox
	A combobox (also known as a drop down listbox) allows the selection of one item out of a list of items. More...
class	TGComboBoxPopup
	A service class of the combobox. More...
class	TGCommandPlugin
	Class used to redirect the command line input/output. More...
class	TGCompositeFrame
	The base class for composite widgets (menu bars, list boxes, etc.). More...
class	TGContainer
	Manages a content area. More...
class	TGDockableFrame
	A frame with handles that allow it to be undocked (i.e. More...
class	TGDoubleHSlider
	Dragging the slider will generate the event: More...
class	TGDoubleSlider
	DoubleSlider widgets allow easy selection of a min and a max value out of a range. More...
class	TGDoubleVSlider
	Dragging the slider will generate the event: More...
class	TGDragWindow
	Window used as drag icon during drag and drop operations. More...
class	TGEventHandler
class	TGFileBrowser
	System file browser, used as TRootBrowser plug-in. More...
class	TGFileDialog
	This class creates a file selection dialog. More...
class	TGFileEntry
	Utility class used by the file selection dialog (TGFSDialog). More...
class	TGFileIcon
	Utility class used by the file selection dialog (TGFSDialog). More...
class	TGFont
	Encapsulate fonts used in the GUI system. More...
class	TGFontDialog
	Font selection dialog, allowing to select one in the list of available fonts in the system. More...
class	TGFontPool
	Provides a pool of fonts. More...
class	TGFrame
	A subclasses of TGWindow, and is used as base class for some simple widgets (buttons, labels, etc.). More...
class	TGFSComboBox
	This is a combo box that is used in the File Selection dialog box. More...
class	TGFSContainer
	Utility class used by the file selection dialog (TGFSDialog). More...
class	TGGC
	Encapsulate a graphics context used in the low level graphics. More...
class	TGGroupFrame
	A composite frame with a border and a title. More...
class	TGHButtonGroup
	Organizes TGButton widgets in a group with one horizontal row. More...
class	TGHeaderFrame
	Horizontal Frame used to contain header buttons and splitters in a list view. More...
class	TGHorizontal3DLine
	A horizontal 3D line is a line that typically separates a toolbar from the menubar. More...
class	TGHorizontalFrame
	A composite frame that layout their children in horizontal way. More...
class	TGHorizontalLayout
class	TGHotString
	TGHotString is a string with a "hot" character underlined. More...
class	TGHScrollBar
	The TGHScrollBar will generate the following event messages: kC_HSCROLL, kSB_SLIDERPOS, position, 0 kC_HSCROLL, kSB_SLIDERTRACK, position, 0. More...
class	TGHSlider
	Concrete class for horizontal slider. More...
class	TGIcon
	This class handles GUI icons. More...
class	TGIconLBEntry
	Icon + text listbox entry. More...
class	TGIdleHandler
	Handle idle events, i.e. More...
class	TGImageMap
	(with TGRegion and TGRegionWithId help classes) More...
class	TGInputDialog
	Input Dialog Widget. More...
class	TGLabel
	This class handles GUI labels. More...
class	TGLayoutHints
	This class describes layout hints used by the layout classes. More...
class	TGLayoutManager
	Frame layout manager. More...
class	TGLBContainer
	A Composite frame that contains a list of TGLBEnties. More...
class	TGLBEntry
	Basic listbox entries. More...
class	TGLineLBEntry
	Line style and width listbox entries. More...
class	TGListBox
	A listbox is a box, possibly with scrollbar, containing entries. More...
class	TGListDetailsLayout
	This is a layout manager for the TGListView widget. More...
class	TGListLayout
	This is a layout manager for the TGListView widget. More...
class	TGListTree
	A list tree is a widget that can contain a number of items arranged in a tree structure. More...
class	TGListView
	A list view is a widget that can contain a number of items arranged in a grid or list. More...
class	TGMainFrame
	Defines top level windows that interact with the system Window Manager. More...
class	TGMatrixLayout
	This layout managers does not make use of TGLayoutHints. More...
class	TGMdiDecorFrame
	This file contains all different MDI frame decoration classes. More...
class	TGMdiFrame
	This file contains the TGMdiFrame class. More...
class	TGMdiMainFrame
	This file contains the TGMdiMainFrame class. More...
class	TGMdiMenu
	This file contains the TGMdiMenuBar class. More...
class	TGMenuBar
	The TGMenu.h header contains all different menu classes. More...
class	TGMime
	TGMime is internally used by TGMimeTypes. More...
class	TGMimeTypes
	This class handles mime types, used by browsers to map file types to applications and icons. More...
class	TGNumberEntry
	TGNumberEntry is a number entry input widget with up/down buttons. More...
class	TGObject
	This class is the baseclass for all ROOT GUI widgets. More...
class	TGPack
	Stack of frames in horizontal (default) or vertical stack. More...
class	TGPasswdDialog
	Graphic dialog to enter passwords. More...
class	TGPicture
	The TGPicture class implements pictures and icons used in the different GUI elements and widgets. More...
class	TGPictureButton
	Yield an action as soon as it is clicked. More...
class	TGProgressBar
	The classes in this file implement progress bars. More...
class	TGRadioButton
	Selects different options. More...
class	TGRedirectOutputGuard
	This class provides output redirection to a TGTextView in guaranteed exception safe way. More...
class	TGResourcePool
	This class implements a pool for the default GUI resource set, like GC's, colors, fonts, etc. More...
class	TGRowLayout
	The following two layout managers do not make use of TGLayoutHints. More...
class	TGScrollBar
	The classes in this file implement scrollbars. More...
class	TGScrollBarElements
	The "head", "tail" and "slider". More...
class	TGShapedFrame
	A Shaped window. More...
class	TGShutter
	A shutter widget contains a set of shutter items that can be open and closed like a shutter. More...
class	TGSimpleTable
	To provide a simple class to visualize an array of doubles, the class TGSimpleTable is provided. More...
class	TGSimpleTableInterface
	TGSimpleTableInterface is a very simple implementation of a TVirtualTableInterface. More...
class	TGSlider
	Slider widgets allow easy selection of a range. More...
class	TGSpeedo
	TGSpeedo is a widget looking like a speedometer, with a needle, a counter and a small odometer window. More...
class	TGSplitButton
	Implements a button with added menu functionality. More...
class	TGSplitFrame
	A split frame. More...
class	TGSplitter
	A splitter allows the frames left and right or above and below of it to be resized. More...
class	TGSplitTool
	A split frame tool tip. More...
class	TGStatusBar
	Provides a StatusBar widget. More...
class	TGString
	TGString wraps a TString and adds some graphics routines like drawing, size of string on screen depending on font, etc. More...
class	TGTab
	A tab widget contains a set of composite frames each with a little tab with a name (like a set of folders with tabs). More...
class	TGTabElement
	Service classes of the tab widget. More...
class	TGTabLayout
	Service classes of the tab widget. More...
class	TGTable
	Create an array to hold a bunch of numbers. More...
class	TGTableCell
	TGTableCell is the class that represents a single cell in a TGTable. More...
class	TGTableFrame
	TGTableFrame contains a composite frame that uses a TGMatrixLayout to Layout the frames it contains. More...
class	TGTableHeader
	TGTableHeader is the class that implements a header for a row or column. More...
class	TGTableHeaderFrame
	TGTableHeaderFrame implements a frame used to display TGTableHeaders in a TGTable. More...
class	TGTableLayout
	A layout manager, which places child frames in a table arranged in rows and columns, making it easy to align many widgets next each to other horizontally and vertically. More...
class	TGTableLayoutHints
	This class describes layout hints used by the TGTableLayout class. More...
class	TGText
	A TGText is a multi line text buffer. More...
class	TGTextBuffer
	A text buffer is used in several widgets, like TGTextEntry, TGFileDialog, etc. More...
class	TGTextButton
	Yield an action as soon as it is clicked. More...
class	TGTextEdit
	A TGTextEdit is a specialization of TGTextView. More...
class	TGTextEditDialogs
	This file defines several dialogs that are used by the TGTextEdit widget via its associated context popup menu. More...
class	TGTextEditor
	A simple text editor that uses the TGTextEdit widget. More...
class	TGTextEntry
	A TGTextEntry is a one line text input widget. More...
class	TGTextLayout
	Is used to keep track of string measurement information when using the text layout facilities. More...
class	TGTextLBEntry
	Text string listbox entries. More...
class	TGTextView
	A TGTextView is a text viewer widget. More...
class	TGTextViewStream
	A TGTextViewStream is a text viewer widget. More...
class	TGTileLayout
	This is a layout manager for the TGListView widget. More...
class	TGToolBar
	A toolbar is a composite frame that contains TGPictureButtons. More...
class	TGToolTip
	A tooltip can be a one or multiple lines help text that is displayed in a window when the mouse cursor overs a widget, without clicking it. More...
class	TGTransientFrame
	Defines transient windows that typically are used for dialogs windows. More...
class	TGTripleHSlider
	TripleSlider inherit from DoubleSlider widgets and allow easy selection of a min, max and pointer value out of a range. More...
class	TGTripleVSlider
	TripleSlider inherit from DoubleSlider widgets and allow easy selection of a min, max and pointer value out of a range. More...
class	TGUnknownWindowHandler
	Handle events for windows that are not part of the native ROOT GUI. More...
class	TGVButtonGroup
	Organizes TGButton widgets in a group with one vertical column. More...
class	TGVertical3DLine
	A vertical 3D line is a line that can be used to separate groups of widgets. More...
class	TGVerticalFrame
	A composite frame that layout their children in vertical way. More...
class	TGVerticalLayout
class	TGView
	A TGView provides the infrastructure for text viewer and editor widgets. More...
class	TGVScrollBar
	The TGVScrollBar will generate the following event messages: kC_VSCROLL, kSB_SLIDERPOS, position, 0 kC_VSCROLL, kSB_SLIDERTRACK, position, 0. More...
class	TGVSlider
	Concrete class for vertical slider. More...
class	TGWidget
	The widget base class. More...
class	TGWindow
	ROOT GUI Window base class. More...
class	TGXYLayout
	Is a layout manager where the position and the size of each widget in the frame are defined by X / Y - coordinates. More...
class	TGXYLayoutHints
	This layout hint must be used for the TGXYLayout manager! More...
class	TMsgBox
	A message dialog box. More...
class	TRootApplication
	This class create the ROOT native GUI version of the ROOT application environment. More...
class	TRootBrowser
	This class creates a ROOT object browser, constituted by three main tabs. More...
class	TRootBrowserLite
	This class creates a ROOT object browser (looking like Windows Explorer). More...
class	TRootCanvas
	This class creates a main window with menubar, scrollbars and a drawing area. More...
class	TRootContextMenu
	This class provides an interface to context sensitive popup menus. More...
class	TRootControlBar
	This class provides an interface to the GUI dependent functions of the TControlBar class. More...
class	TRootDialog
	A TRootDialog is used to prompt for the arguments of an object's member function. More...
class	TRootEmbeddedCanvas
	This class creates a TGCanvas in which a TCanvas is created. More...
class	TRootEmbeddedContainer
	Utility class used by TRootEmbeddedCanvas. More...
class	TRootGuiFactory
	This class is a factory for ROOT GUI components. More...
class	TRootHelpDialog
	A TRootHelpDialog is used to display help text (or any text in a dialog window). More...
class	TVirtualDragManager