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XmStringDrawUnderline(3)

NAME

   XmStringDrawUnderline  ---  A  compound string function that underlines a
   string drawn in an X Window  "XmStringDrawUnderline"  "compound  string
   functions" "XmStringDrawUnderline"

SYNOPSIS

   #include <Xm/Xm.h>
   void XmStringDrawUnderline(
   Display * d,
   Window w,
   XmRenderTable rendertable,
   XmString string,
   GC gc,
   Position x,
   Position y,
   Dimension width,
   unsigned char alignment,
   unsigned char layout_direction,
   XRectangle * clip,
   XmString underline);

DESCRIPTION

   XmStringDrawUnderline  draws  a  compound string in an X Window. If the
   substring identified  by  underline  can  be  matched  in  string,  the
   substring  will  be  underlined.  Once a match has occurred, no further
   matches or underlining will be done.  Only the first text component  of
   underline is used for matching.

   If a compound string segment uses a rendition that contains a font set,
   the graphic context passed to this routine will have the GC font member
   left  in  an  undefined  state.  The  underlying XmbStringDraw function
   called by this routine modifies the font ID field of the GC passed into
   it  and  does not attempt to restore the font ID to the incoming value.
   If the compound string segment is not  drawn  using  a  font  set,  the
   graphic  context  must  contain  a  valid font member. Graphic contexts
   created by XtGetGC are not  accepted  by  this  routine;  instead,  use
   XtAllocateGC to create a graphic context.

   d         Specifies the display.

   w         Specifies the window.

   rendertable
             Specifies the render table.

   string    Specifies the string.

   gc        Specifies the graphics context to use.

   x         Specifies a coordinate of the rectangle that will contain the
             displayed compound string.

   y         Specifies a coordinate of the rectangle that will contain the
             displayed compound string.

   width     Specifies  the  width  of the rectangle that will contain the
             displayed compound string.

   alignment Specifies how the string will be aligned within the specified
             rectangle.     It    is    one    of   XmALIGNMENT_BEGINNING,
             XmALIGNMENT_CENTER, or XmALIGNMENT_END.

   layout_direction
             Controls the direction in which the segments of the  compound
             string  will  be  laid out. It also determines the meaning of
             the alignment parameter.

   clip      Allows the application to restrict the area  into  which  the
             compound  string will be drawn.  If it is NULL, clipping will
             be determined by the GC.

   underline Specifies the substring to be underlined.

RELATED

   XmStringCreate(3).

                                                  XmStringDrawUnderline(3)



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