GNU Info
(gtk.info)Widgets
Widget Overview *************** Widgets are the general term used to describe user interface objects. A widget defines a class interface that all user interface objects conform to. This interface allows a uniform method for dealing with operations common to all objects such as hiding and showing, size requisition and allocation and events. The common interface that widgets must adhere to is described by the GtkWidget and GtkWidgetClass structure. For the purposes of using GTK these structures can be considered read-only and, for the most part, opaque. All widget creation routines in GTK return pointers to GtkWidget structures. In reality, all widget creation routines create structures that can be viewed as equivalent to the GtkWidget structure, but often have contain additional information. Note: Object Implementation. The widgets available for use are implemented in a hierarchy. Several widgets exist solely as common bases for more specific widgets. For example, it is not possible to create a ruler widget itself, but the ruler widget provides a base and functionality common to the horizontal and vertical rulers. The available widgets (in alphabetical order):
GtkAlignment- The alignment widget.
- GtkArrow
- The arrow widget.
- GtkAspectFrame
- The aspect frame widget.
- GtkBin
- The bin widget.
- GtkBox
- The box widget.
- GtkButtonBox
- The button box widget.
- GtkButton
- The button widget.
- GtkCheckButton
- The check button widget.
- GtkCheckMenuItem
- The check menu item widget.
- GtkCList
- The compound list widget.
- GtkColorSelection
- The color selector widget.
- GtkCombo
- The combo box widget.
- GtkContainer
- The container widget.
- GtkCTree
- The multi-column tree widget.
- GtkCurve
- The curve widget.
- GtkGammaCurve
- The gamma curve widget.
- GtkDialog
- The dialog widget.
- GtkDrawingArea
- The drawing area widget.
- GtkEntry
- The entry widget.
- GtkEventBox
- The event box widget.
- GtkFileSelection
- The file selection dialog widget.
- GtkFixed
- The fixed widget.
- GtkFrame
- The frame widget.
- GtkGamma
- The gamma widget.
- GtkHBox
- The horizontal box widget.
- GtkHButtonBox
- The horizontal button box widget.
- GtkHPaned
- The horizontal paned widget.
- GtkHRuler
- The horizontal ruler widget.
- GtkHScale
- The horizontal scale widget.
- GtkHScrollbar
- The horizontal scrollbar widget.
- GtkHSeparator
- The horizontal separator widget.
- GtkImage
- The image widget.
- GtkInputDialog
- The input dialog widget.
- GtkItem
- The item widget.
- GtkLabel
- The label widget.
- GtkList
- The list widget.
- GtkListItem
- The list item widget.
- GtkMenu
- The menu widget.
- GtkMenuBar
- The menu bar widget.
- GtkMenuItem
- The menu item widget.
- GtkMenuShell
- The menu shell widget.
- GtkMisc
- The misc widget.
- GtkNotebook
- The notebook widget.
- GtkOptionMenu
- The option menu widget.
- GtkPaned
- The paned widget.
- GtkPixmap
- The pixmap widget.
- GtkPreview
- The preview widget.
- GtkProgressBar
- The progress bar widget.
- GtkRadioButton
- The radio button widget.
- GtkRadioMenuItem
- The radio menu item widget.
- GtkRange
- The range widget.
- GtkRuler
- The ruler widget.
- GtkScale
- The scale widget.
- GtkScrollbar
- The scrollbar widget.
- GtkScrolledWindow
- The scrolled window widget.
- GtkSeparator
- The separator widget.
- GtkStatusbar
- The statusbar widget.
- GtkTable
- The table widget.
- GtkText
- The text widget.
- GtkToggleButton
- The toggle button widget.
- GtkToolbar
- The tool bar widget.
- GtkTooltips
- The tool tips widget.
- GtkTree
- The tree widget.
- GtkTreeItem
- The tree item widget.
- GtkVBox
- The vertical box widget.
- GtkVButtonBox
- The vertical button box widget.
- GtkViewport
- The viewport widget.
- GtkVPaned
- The vertical paned widget.
- GtkVRuler
- The vertical ruler widget.
- GtkVScale
- The vertical scale widget.
- GtkVScrollbar
- The vertical scrollbar widget.
- GtkVSeparator
- The vertical separator widget.
- GtkWidget
- The base widget type.
- GtkWindow
- The window widget.
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