SYNOPSIS

#include <Xm/TabStack.h>

DESCRIPTION

"XmTabStack" "widget class" TabStack" The XmTabStack widget manages a group of widgets such that only one widget in the group is visible at a time. Each child is associated with a "tab" that displays a text label and/or a pixmap. By selecting the "tab" the user interactively determines which child is displayed. This widget exhibits behavior similar to the Microsoft Windows(TM) Tab Control.

The tabs can be configured to appear above, below, to the right, and to the left of a work area with the text oriented in any of the four cardinal directions.

The TabStack allows the user to select, either by pointer or keyboard traversal, tabs. When a tab is selected it changes appearance so that it appears to be raised above the other tabs. When a tab is selected the child associated with the tab is made visible. One tab is selected at all times.

Classes

TabStack inherits behavior and resources form Core, Composite, Constraint, XmManager and XmBulletinBoard Classes.

The class pointer is xmTabStackWidgetClass.

The class name is XmTabStack.

New Resources

The following table defines a set of widget resources used by the programmer to specify data. The programmer can also set the resource values for the inherited classes to set attributes for this widget. To reference a resource by name or by class in a .Xdefaults file, remove the XmN or XmC prefix and use the remaining letters. To specify one of the defined values for a resource in a .Xdefaults file, remove the Xm or prefix and use the remaining letters (in either lowercase or uppercase, but include any underscores between words). The codes in the access column indicate if the given resource can be set at creation time(C), set by using XtSetValues (S), retrieved by using XtGetValues (G), or is not applicable (N/A).

XmTabStack Resource Set
Name	Default	Access
Class	Type
XmNfontList	Dynamic	CSG
XmCFontList	XmFontList
XmNhighlightThickness	2	CSG
XmCHighlightThickness	Dimension
XmNstackedEffect	True	CSG
XmCStackedEffect	Boolean
XmNtabAutoSelect	True	CG
XmCTabAutoSelect	Boolean
XmNtabCornerPercent	40	CSG
XmCTabCornerPercent	int
XmNtabLabelSpacing	2	CSG
XmCTabLabelSpacing	Dimension
XmNtabMarginHeight	3	CSG
XmCTabMarginHeight	Dimension
XmNtabMarginWidth	3	CSG
XmCTabMarginWidth	Dimension
XmNtabMode	XmTABS_BASIC	CSG
XmCTabMode	int
XmNtabOffset	10	CSG
XmCTabOffset	Dimension
XmNtabOrientation	Dynamic	CSG
XmCTabOrientation	int
XmNtabSelectColor	Dynamic	CSG
XmCTabSelectColor	Pixel
XmNtabSelectedCallback	NULL	CS
XmCCallback	XtCallbackList
XmNtabSelectPixmap	XmUNSPECIFIED_PIXMAP	CSG
XmCTabSelectPixmap	Pixmap
XmNtabSide	XmTABS_ON_TOP	CSG
XmCTabSide	int
XmNtabStyle	XmTABS_BEVELED	CSG
XmCTabStyle	int
XmNuniformTabSize	True	CSG
XmCUniformTabSize	Boolean
XmNuseImageCache	True	CSG
XmCUseImageCache	Boolean

XmNfontList

Specifies the XmFontList to use when drawing the label strings for the tabs.

XmNhighlightThickness

Specifies the thickness of the rectangle drawn around the label string and label pixmap of the tab with keyboard traversal.

XmNstackedEffect

Specifies if the visuals should depict a stack of folders, True, or if the XmTabStack should use all available space for its children, False.

XmNtabAutoSelect

Specifies if a tab is automatically selected when it receives keyboard traversal.

XmNtabCornerPercent

Specifies the percent of the font height that should be used for the corner visual.

XmNtabLabelSpacing

Specifies the amount of space to leave between a text label and a pixmap in the tab area.

XmNtabMarginHeight

Specifies the vertical border that is placed around the label area of a tab.

XmNtabMarginWidth

Specifies the horizontal border that is placed around the label area of a tab.

XmNtabMode

Specifies the mode in which the XmTabStack distributes the tabs. Valid values for this resource include:

XmTABS_BASIC

Distributes the tabs in either a vertical or horizontal row and clips the tabs if there is not enough room to display all the tabs.

XmTABS_STACKED

Distributes the tabs in either a vertical or horizontal row. If there is not enough room to display all the tabs additional rows are added. When a tab is selected, its row is moved next to the children in the stack.

XmTABS_STACKED_STATIC

Distributes the tabs in either a vertical or horizontal row. If there is not enough room to display all the tabs additional rows are added. The positions of rows are not changed when tabs are selected.

XmNtabOffset

Specifies the amount of indentation used to stagger the tab rows when displaying tabs in either the XmTABS_STACKED or XmTABS_STACKED_STATIC mode.

XmNtabOrientation

Specifies the orientation of the tab, and the rotation factor of the tab label. Valid values for this resource include:

XmTAB_ORIENTATION_DYNAMIC

Specifies that the orientation of the tabs should be calculated dynamically based on the XmNtabSide resource.

XmTABS_LEFT_TO_RIGHT

Specifies that the text appears at the default rotation.

XmTABS_RIGHT_TO_LEFT

Specifies that the text appears upside down.

XmTABS_TOP_TO_BOTTOM

Specifies that the text should be rotated to the vertical position with the first character drawn at the lowest y position and the bottom of the text faces the lowest x position.

XmTABS_BOTTOM_TO_TOP

Specifies that the text should be rotated to the vertical, position with the first character drawn at the highest y position and the bottom of the text faces the highest x position.

XmNtabSelectColor

Specifies the color of the selected tab.

XmNtabSelectedCallback

Specifies the list of callbacks to call when a child becomes the selected tab.

XmNtabSelectPixmap

Specifies the pixmap of the selected tab.

XmNtabSide

Specifies the location of the tab with respect to the children of the XmTabStack. Valid values for this resource include:

XmTABS_ON_TOP

Specifies that the tabs should be placed above the children.

XmTABS_ON_BOTTOM

Specifies that the tabs should be placed below the children.

XmTABS_ON_RIGHT

Specifies that the tabs should be placed to the right of the children.

XmTABS_ON_LEFT

Specifies that the tabs should be placed to the left of the children.

XmNtabStyle

Specifies the appearance of the tabs associated with the children of the XmTabStack. Valid values for this resource include:

XmTABS_BEVELED

Draws the corners of the tabs as an angled line.

XmTABS_ROUNDED

Draws the corners of the tabs as a quarter of a circle.

XmTABS_SQUARED

Draws the tabs as rectangles.

XmNuniformTabSize

Determines if all tabs should have a uniform major dimension, where the major dimension is width if the tab orientation is XmTABS_LEFT_TO_RIGHT or XmTABS_RIGHT_TO_LEFT or height if the tab orientation is XmTABS_TOP_TO_BOTTOM or XmTABS_BOTTOM_TO_TOP. When XmNtabMode is either XmTABS_STACKED or XmTABS_STACKED_STATIC, this resource is forced to True.

XmNuseImageCache

Destermines if the Xmmages used for rotating text and pixmaps should be cached. This increases performance but uses up more memory.

XmTabStack Constraint Resource Set
Name	Default	Access
Class	Type
XmNfreeTabPixmap	False	CSG
XmCFreeTabPixmap	Boolean
XmNtabAlignment	XmALIGNMENT_CENTER	CSG
XmCAlignment	unsigned char
XmNtabBackground	Dynamic	CSG
XmCBackground	Pixel
XmNtabBackgroundPixmap	Dynamic	CSG
XmCBackgroundPixmap	Pixmap
XmNtabForeground	Dynamic	CSG
XmCForeground	Pixel
XmNtabLabelPixmap	XmUNSPECIFIED_PIXMAP	CSG
XmCTabLabelPixmap	Pixmap
XmNtabLabelString	NULL	CSG
XmCTabLabelString	XmString
XmNtabPixmapPlacement	XmPIXMAP_RIGHT	CSG
XmCTabPixmapPlacement	XmPixmapPlacement
XmNtabStringDirection	XmSTRING_DIRECTION_DEFAULT	CSG
XmCTabStringDirection	unsigned char

XmNfreeTabPixmap

Specifies that the pixmaps assigned to the XmNlabelPixmap resources should be freed when the widget is destroyed.

XmNtabAlignment

Specifies the alignment of the tab label. Valid values for this resource include:

XmALIGNMENT_BEGINNING

Aligns the label to the left side of the available space.

XmALIGNMENT_CENTER

Aligns the label centered in the available space.

XmALIGNMENT_END

Aligns the label to the right side of the available space.

XmNtabBackground

Specifies the background pixel for the tab.

XmNtabBackgroundPixmap

Specifies the background pixmap for the tab.

XmNtabForeground

Specifies the foreground pixel for the tab.

XmNtabLabelPixmap

Specifies the pixmap to display in the tab label.

XmNtabLabelString

Specifies the XmString to display as the textual portion of the tab label. This is copied when set on the widget. The value fetched via XtGetValues should not be freed as it returns a pointer to the widgets value. If you wish to use the value returned from XtGetValues use XmStringCopy the returned value.

XmNtabPixmapPlacement

Specifies the location of the pixmap with respect to the text in the tab label. Valid values for this resource include:

XmPIXMAP_TOP

Specifies that the pixmap should be above the XmString.

XmPIXMAP_BOTTOM

Specifies that the pixmap should be below the XmString.

XmPIXMAP_RIGHT

Specifies that the pixmap should be to the right of the XmString.

XmPIXMAP_LEFT

Specifies that the pixmap should be to the left of the XmString.

XmPIXMAP_ONLY

Specifies that only the pixmap portion of the tab label should be displayed.

XmPIXMAP_NONE

Specifies that only the XmString portion of the tab label should be displayed.

XmNtabStringDirection

Specifies the string direction for the XmString portion of the tab label. Valid values for this resource include:

XmSTRING_DIRECTION_L_TO_R

Left to right

XmSTRING_DIRECTION_R_TO_L

Right to left

Inherited Resources

TabStack inherits behavior and resources from the following superclasses. For a complete description of each resource, refer to the man page for that superclass.

XmBulletinBoard Resource Set
Name	Default Access
Class	Type
XmNallowOverlap	True	CSG
XmCAllowOverlap	Boolean
XmNautoUnmanage	False	CG
XmCAutoUnmanage	Boolean
XmNbuttonFontList	dynamic	CSG
XmCButtonFontList	XmFontList
XmNcancelButton	NULL	SG
XmCWidget	Widget
XmNdefaultButton	NULL	SG
XmCWidget	Widget
XmNdefaultPosition	True	CSG
XmCDefaultPosition	Boolean
XmNdialogStyle	dynamic	CSG
XmCDialogStyle	unsigned char
XmNdialogTitle	NULL	CSG
XmCDialogTitle	XmString
XmNfocusCallback	NULL	C
XmCCallback	XtCallbackList
XmNlabelFontList	dynamic	CSG
XmCLabelFontList	XmFontList
XmNmapCallback	NULL	C
XmCCallback	XtCallbackList
XmNmarginHeight	10	CSG
XmCMarginHeight	Dimension
XmNmarginWidth	10	CSG
XmCMarginWidth	Dimension
XmNnoResize	False	CSG
XmCNoResize	Boolean

XmManager Resource Set
Name	Default Access
Class	Type
XmNbottomShadowColor	dynamic	CSG
XmCBottomShadowColor	Pixel
XmNbottomShadowPixmap	XmUNSPECIFIED_PIXMAP	CSG
XmCBottomShadowPixmap	Pixmap
XmNforeground	dynamic	CSG
XmCForeground	Pixel
XmNhelpCallback	NULL	C
XmCCallback	XtCallbackList
XmNhighlightColor	dynamic	CSG
XmCHighlightColor	Pixel
XmNhighlightPixmap	dynamic	CSG
XmCHighlightPixmap	Pixmap
XmNinitialFocus	dynamic	CSG
XmCInitialFocus	Widget
XmNnavigationType	XmTAB_GROUP	CSG
XmCNavigationType	XmNavigationType
XmNshadowThickness	2	CSG
XmCShadowThickness	Dimension
XmNstringDirection	dynamic	CG
XmCStringDirection	XmStringDirection
XmNtopShadowColor	dynamic	CSG
XmCTopShadowColor	Pixel
XmNtopShadowPixmap	dynamic	CSG
XmCTopShadowPixmap	Pixmap
XmNtraversalOn	True	CSG
XmCTraversalOn	Boolean
XmNunitType	dynamic CSG
XmCUnitType	unsigned char
XmNuserData	NULL	CSG
XmCUserData	XtPointer

Composite Resource Set
Name	Default Access
Class	Type
XmNchildren	NULL	G
XmCReadOnly	WidgetList
XmNinsertPosition	NULL	CSG
XmCInsertPosition	XtOrderProc
XmNnumChildren	0	G
XmCReadOnly	Cardinal

Core Resource Set
Name	Default Access
Class	Type
XmNaccelerators	dynamic	N/A
XmCAccelerators	XtAccelerators
XmNancestorSensitive	dynamic	G
XmCSensitive	Boolean
XmNbackground	dynamic	CSG
XmCBackground	Pixel
XmNbackgroundPixmap	XmUNSPECIFIED_PIXMAP	CSG
XmCPixmap	Pixmap
XmNborderColor	XtDefaultForeground	CSG
XmCBorderColor	Pixel
XmNborderPixmap	XmUNSPECIFIED_PIXMAP	CSG
XmCPixmap	Pixmap
XmNborderWidth	0	CSG
XmCBorderWidth	Dimension
XmNcolormap	dynamic	CG
XmCColormap	Colormap
XmNdepth	dynamic	CG
XmCDepth	int
XmNdestroyCallback	NULL	C
XmCCallback	XtCallbackList
XmNheight	dynamic	CSG
XmCHeight	Dimension
XmNinitialResourcesPersistent	True	C
XmCInitialResourcesPersistent	Boolean
XmNmappedWhenManaged	True	CSG
XmCMappedWhenManaged	Boolean
XmNscreen	Screen*	dynamic
XmCScreen	Screen
XmNsensitive	True	CSG
XmCSensitive	Boolean
XmNtranslations	dynamic	CSG
XmCTranslations	XtTranslations
XmNwidth	dynamic	CSG
XmCWidth	Dimension
XmNx	0	CSG
XmCPosition	Position
XmNy	0	CSG
XmCPosition	Position

Calback Information

A pointer to the following structure is passed to each callback:

typedef struct _XmTabStackCallbackStruct {
   intreason;
   XEvent*event;
   Widgetselected_child;
} XmTabStackCallbackStruct;

reason

Indicates why the callback was invoked. Valid callbacks reasons include:

XmCR_TAB_SELECTED

Indicates that a child has been made the selected widget.

event

Points to the XEvent that triggered the callback.

selected_child

Contains the widget ID of the selected child.