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XmStringGe...tComponent(3) Library Functions Manual XmStringGe...tComponent(3) NAME XmStringGetNextComponent -- A compound string function that returns the type and value of the next component in a compound string SYNOPSIS #include <Xm/Xm.h> XmStringComponentType XmStringGetNextComponent( XmStringContext context, char **text, XmStringTag *tag, XmStringDirection *direction, XmStringComponentType *unknown_tag, unsigned short *unknown_length, unsigned char **unknown_value); DESCRIPTION This function is obsolete and exists for compatibility with previous releases. It is replaced by XmStringGetNextTriple. XmStringGetNextCom- ponent returns the type and value of the next component in the compound string identified by context. Components are returned one at a time. On return, only some output parameters will be valid; which ones can be determined by examining the returned component type. The following ta- ble describes the valid returns for each component type. +----------------------+------------------------------+ | Valid Fields | Component Type | +----------------------+------------------------------+ | tag | XmSTRING_COMPONENT_LOCALE, | | | XmSTRING_COMPONENT_TAG | +----------------------+------------------------------+ | text | XmSTRING_COMPONENT_LO- | | | CALE_TEXT, XmSTRING_COMPO- | | | NENT_TEXT, XmSTRING_COMPO- | | | NENT_WIDECHAR_TEXT | +----------------------+------------------------------+ | direction | XmSTRING_COMPONENT_DIRECTION | +----------------------+------------------------------+ | unknown_tag, un- | XmSTRING_COMPONENT_LAY- | | known_length, un- | OUT_POP, XmSTRING_COMPO- | | known_value | NENT_LAYOUT_PUSH, Xm- | | | STRING_COMPONENT_TAB, Xm- | | | STRING_COMPONENT_RENDI- | | | TION_BEGIN, XmSTRING_COMPO- | | | NENT_RENDITION_END | +----------------------+------------------------------+ | no valid field | XmSTRING_COMPONENT_SEPARA- | | | TOR, XmSTRING_COMPONENT_END, | | | XmSTRING_COMPONENT_UNKNOWN | +----------------------+------------------------------+ +----------------------+------------------------------+ Note that several components produce a return value of XmSTRING_COMPO- NENT_UNKNOWN. The data returned by these components is returned in the unknown_tag, unknown_length, and unknown_value fields. This apparent inconsistency is designed to accomodate older applications that may not be equipped to handle the newer component types of Motif version 2.0 and beyond. Consequently, the use of this procedure is not recom- mended. Instead, use the XmStringGetNextTriple procedure, which pro- vides all the functionality of XmStringGetNextComponent, and is fully compatible with the newer component types. If the function return value is XmSTRING_COMPONENT_LOCALE_TEXT or Xm- STRING_COMPONENT_TEXT, the the function allocates space to hold the re- turned text. If the function return value is XmSTRING_COMPO- NENT_FONTLIST_ELEMENT_TAG, or XmSTRING_COMPONENT_TAG, then the function allocates space to hold the returned tag. The application is responsi- ble for managing the allocated space. The application can recover the allocated space by calling XtFree. context Specifies the string context structure that was allocated by the XmStringInitContext function. text Specifies a pointer to a NULL terminated string. tag Specifies a pointer to the tag component associated with the text. The value XmFONTLIST_DEFAULT_TAG identifies a locale text segment. direction Specifies a pointer to the direction of the text. unknown_tag Specifies a pointer to the tag of an unknown component. unknown_length Specifies a pointer to the length of an unknown component. unknown_value Specifies a pointer to the value of an unknown component. RETURN Returns the type of component found. Refer to the XmStringComponent- Type(3) reference page for a list of component types. RELATED XmStringComponentType(3), XmStringCreate(3), and XmStringInitCon- text(3). XmStringGe...tComponent(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN | RELATED
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