listing_5_6.c

来自「This source code has been tested under O」· C语言 代码 · 共 46 行

/***********************************************************************
**                                                                    **
**  listing_5_6.c                                                     **
**                                                                    **
**  This program demonstrates programmatic setting of an XmLabel's    **
**  labelString resource. Along the way it demonstrates use of the    **
**  XmString data type, including the use of multiple fonts.          **
**                                                                    **
***********************************************************************/


#include <Xm/Label.h>			/* Definitions for XmLabel    
					   (includes Xm.h)            */


Widget	    appshell,			/* Application Shell	      */
	    the_label;			/* The one and only label     */
Arg	    arglist[16];		/* Used to store label	      */
XmString    str1,			/* Strings for the label      */
	    str2,
	    the_string;


void main( argc, argv )
    int     argc;
    char    *argv[];
{
    appshell = XtInitialize( argv[0], "Listing_5_6", NULL, 0, &argc, argv );

    the_label = XmCreateLabel( appshell, "TheLabel", NULL, 0 );
    XtManageChild( the_label );

    str1 = XmStringCreateLtoR( "Hello\n", XmSTRING_DEFAULT_CHARSET );
    str2 = XmStringCreate( "World!", "CharSet1" );
    the_string = XmStringConcat( str1, str2 );
    XmStringFree( str1 );
    XmStringFree( str2 );

    XtSetArg( arglist[0], XmNlabelString, the_string );
    XtSetValues( the_label, arglist, 1 );
    XmStringFree( the_string );

    XtRealizeWidget( appshell );
    XtMainLoop();
}