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DtEditorReplace (3)
  • >> DtEditorReplace (3) ( Solaris man: Библиотечные вызовы )
  • 
    NAME
         DtEditorReplace - replace a portion of  the  contents  of  a
         DtEditor widget
    
    SYNOPSIS
         #include <Dt/Editor.h>
         DtEditorErrorCode DtEditorReplace(Widget widget,
                                           XmTextPosition startPos,
                                           XmTextPosition endPos,
                                           DtEditorContentRec *data);
    
    DESCRIPTION
         The DtEditorReplace() function replaces part of the contents
         of  a DtEditor widget with a string, a wide character string
         or sized buffer.  The data is transferred  to  the  DtEditor
         widget  using a DtEditorContentRec, which indicates the type
         of data being transferred along with the actual  data.   All
         data following the start position and up to, but not includ-
         ing, the end position is replaced.  If  the  start  position
         and  the  end position are equal, the data is inserted after
         the end position.  The character positions begin at zero and
         are  numbered  sequentially  from the beginning of the text.
         After the replacement, the insertion  cursor  is  positioned
         after the last character inserted.
    
         The widget argument specifies the DtEditor widget ID.
    
         The startPos argument specifies the starting character posi-
         tion  of  the portion to replace.  The replacement begins at
         this character.
    
         The endPos argument specifies the ending character  position
         of the portion to replace.  The replacement ends before this
         character.
    
         The data argument is a pointer to the  data  structure  con-
         taining the data to insert.
    
         For a complete definition of the  DtEditor  widget  and  its
         associated resources, see DtEditor(3).
    
         For  a  complete  definition  of   DtEditorContentRec,   see
         <Dt/Editor.h>.
    
    RETURN VALUE
         Upon successful completion, the  DtEditorReplace()  function
         returns one of the following values:
    
            DtEDITOR_NO_ERRORS
                  The data was replaced sucessfully.
    
            DtEDITOR_NULLS_REMOVED
                  NULL characters were found  and  removed  from  the
                  data.
    
         Otherwise, if the DtEditorReplace() function cannot  replace
         the  data in the DtEditor widget, it returns one of the fol-
         lowing values:
    
            DtEDITOR_INVALID_TYPE
                  The Type field is not recognized.
    
            DtEDITOR_INVALID_RANGE
                  The startPos argument is greater  than  the  endPos
                  argument.
    
            DtEDITOR_ILLEGAL_SIZE
                  The size of the buffer passed in is negative.
    
            DtEDITOR_NULL_ITEM
                  The data buffer is NULL.
    
            DtEDITOR_INSUFFICIENT_MEMORY
                  Not enough system memory is  available  to  replace
                  the data.
    
    EXAMPLES
         The following code segment modifies the contents of a DtEdi-
         tor widget to ``The quick fox.''
    
              Widget                  editor;
              DtEditorContentRec      cr;
              DtEditorErrorCode       status;
              XmTextPosition          start = (XmTextPosition) 4,
                                      end = (XmTextPosition) 9;
              char                    *sampleString1="The brown fox",
                                      *sampleString2="quick";
              cr.type = DtEDITOR_TEXT;
              cr.value.string = sampleString1;
              status = DtEditorSetContents(editor, &cr);
              if (status != DtEDITOR_NO_ERRORS && status != DtEDITOR_NULLS_REMOVED) {
                      printf("Unable to set contents of the widget\n");
              } else {
                      cr.type = DtEDITOR_TEXT;
                      cr.data.string = sampleString2;
                      status = DtEditorReplace(editor, start, end, &cr);
                      if (status != DtEDITOR_NO_ERRORS)
                        printf("Unable to replace part of the widget contents\n");
              }
    
    APPLICATION USAGE
         If the data is in a disk file, rather than  in  memory,  the
         application should use DtEditorReplaceFromFile(3).
    
    SEE ALSO
         DtEditor(5), DtEditor(3), DtEditorAppend(3), DtEditorAp-
         pendFromFile(3), DtEditorGetContents(3), DtEditorInsert(3),
         DtEditorInsertFromFile(3), DtEditorReplaceFromFile(3),
         DtEditorSaveContentsToFile(3), DtEditorSetContents(3),
         DtEditorSetContentsFromFile(3).
    
    
    
    


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