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Man Pages


Manual Reference Pages  -  XMTLAYOUTSTRING (3)

NAME

XmtLayoutString - an XmtLayout gadget that displays a string.

CONTENTS

SYNOPSIS

Include File: #include <Xmt/LayoutG.h>
Constructor: XmtCreateLayoutString()
Class Name: XmtLayoutString
Class Pointer: xmtLayoutStringGadgetClass
Class Hierarchy: RectObj -> XmtLayoutGadget -> XmtLayoutString

DESCRIPTION

The XmtLayoutString widget is a gadget that displays a Motif XmString within the XmtLayout widget. Because it is specially implemented for this purpose, it is significantly cheaper to use than an XmLabel or an XmLabelGadget. The text is displayed using the Motif XmStringDraw() function which supports strings with multiple lines and multiple fonts.

The LayoutString gadget does not have an XmFontList of its own; the string is drawn using the XmtNfontList resource of the Layout widget, which can contain whatever fonts are needed for text throughout the Layout widget. When the XmtNfontList resource of the Layout widget changes, it notifies all of its LayoutString children so that they can redisplay themselves using the new font list.

RESOURCES

XmtLayoutString inherits the resources of the RectObj and XmtLayoutGadget classes, and defines the following new resources:

NameTypeClassAccessDefault
XmtNbackgroundXtRPixelXtCBackgroundCSGunspecified
XmtNforegroundXtRPixelXtCForegroundCSGunspecified
XmtNlabelXtRStringXtCLabelCSNULL
XmtNlabelStringXmRXmStringXmCLabelStringCSGNULL
XmtNbackground The background color to use for the displayed text. If unspecified, the LayoutString gadget will use the background color of its Layout parent.
XmtNforeground The foreground color to use for the displayed text. If unspecified, the LayoutString gadget will use the foreground color of its Layout parent.
XmtNlabel The string to display if the XmtNlabelString resource is not specified. If no XmString is specified for the XmtNlabelString resource, then this string (a normal NULL-terminated C string) is converted to an XmString using XmtCreateXmString() and stored on the XmtNlabelString resource. Note that the value of this string is not copied by the LayoutString gadget. It is converted to an XmString, and then the LayoutString gadget ‘‘forgets’’ it, since it is not stored in memory owned by the gadget. This means that querying this resource will always return an empty string.
XmtNlabelString An XmString to be displayed by the LayoutString gadget. If this resource is not specified, the XmtNlabel resource will be used instead. Note that unlike XmtNlabel, this resource is copied by the gadget, and can be queried.

SEE ALSO

Chapter 19, The Layout Widget: The Details, XmtCreateLayoutString(), XmtLayout, XmtLayoutBox, XmtLayoutPixmap, XmtLayoutSeparator, XmtLayoutSpace.
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Xmt XMTLAYOUTSTRING (3) Motif Tools

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