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Initial import of the CDE 2.1.30 sources from the Open Group.

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Peter Howkins
2012-03-10 18:21:40 +00:00
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cde/doc/C/guides/man/m3_Dt/EdReplac.sgm Normal file
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<!-- $XConsortium: EdReplac.sgm /main/6 1996/09/08 20:03:38 rws $ -->
<!-- (c) Copyright 1995 Digital Equipment Corporation. -->
<!-- (c) Copyright 1995 Hewlett-Packard Company. -->
<!-- (c) Copyright 1995 International Business Machines Corp. -->
<!-- (c) Copyright 1995 Sun Microsystems, Inc. -->
<!-- (c) Copyright 1995 Novell, Inc. -->
<!-- (c) Copyright 1995 FUJITSU LIMITED. -->
<!-- (c) Copyright 1995 Hitachi. -->
<![ %CDE.C.CDE; [<RefEntry Id="CDEMX.XCSA.MAN35.rsml.1">]]>
<![ %CDE.C.XO; [<RefEntry Id="XCSA.MAN35.rsml.1">]]>
<RefMeta>
<RefEntryTitle>DtEditorReplace</RefEntryTitle>
<ManVolNum>library call</ManVolNum>
</RefMeta>
<RefNameDiv>
<RefName><Function>DtEditorReplace</Function></RefName>
<RefPurpose>replace a portion of the contents of a DtEditor widget
</RefPurpose>
</RefNameDiv>
<!-- CDE Common Source Format, Version 1.0.0-->
<!-- *************************************************************************-->
<!-- ** (c) Copyright 1993, 1994, 1995 Hewlett-Packard Company-->
<!-- ** (c) Copyright 1993, 1994, 1995 International Business Machines Corp.-->
<!-- ** (c) Copyright 1993, 1994, 1995 Sun Microsystems, Inc.-->
<!-- ** (c) Copyright 1993, 1994, 1995 Novell, Inc.-->
<!-- *************************************************************************-->
<RefSynopsisDiv>
<FuncSynopsis Remap="ANSI">
<FuncSynopsisInfo>#include &lt;Dt/Editor.h>
</FuncSynopsisInfo>
<FuncDef>DtEditorErrorCode <Function>DtEditorReplace</Function></FuncDef>
<ParamDef>Widget <Parameter>widget</Parameter></ParamDef>
<ParamDef>XmTextPosition <Parameter>startPos</Parameter></ParamDef>
<ParamDef>XmTextPosition <Parameter>endPos</Parameter></ParamDef>
<ParamDef>DtEditorContentRec *<Parameter>data</Parameter></ParamDef>
</FuncSynopsis>
</RefSynopsisDiv>
<RefSect1>
<Title>DESCRIPTION</Title>
<Para>The
<Function>DtEditorReplace</Function> 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
<StructName Role="typedef">DtEditorContentRec</StructName>, which indicates the
type of data being transferred along with the actual data.
All data following the start position
and up to, but not including, 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.
</Para>
<Para>The
<Symbol Role="Variable">widget</Symbol> argument specifies the DtEditor widget ID.
</Para>
<Para>The
<Symbol Role="Variable">startPos</Symbol> argument specifies the starting character position of
the portion to replace.
The replacement begins
at this character.
</Para>
<Para>The
<Symbol Role="Variable">endPos</Symbol> argument specifies the ending character position of
the portion to replace.
The replacement ends
before this character.
</Para>
<Para>The
<Symbol Role="Variable">data</Symbol> argument is a pointer to the data structure
containing the data to insert.
<![ %CDE.C.CDE; [</Para>
<Para>For a complete definition of the DtEditor widget
and its associated resources, see
&cdeman.DtEditor;. ]]></Para>
<Para>For a complete definition of
<StructName Role="typedef">DtEditorContentRec</StructName>, see
&cdeman.Dt.Editor.h;.</Para>
</RefSect1>
<RefSect1>
<Title>RETURN VALUE</Title>
<![ %CDE.C.XO; [
<Para>Upon successful completion, the
<Function>DtEditorReplace</Function> function returns
<SystemItem Class="Constant">DtEDITOR_NO_ERRORS</SystemItem>; otherwise, if it cannot
replace the string, the function returns one of the following values:
</Para>
]]>
<![ %CDE.C.CDE; [
<Para>Upon successful completion, the
<Function>DtEditorReplace</Function> function returns one of the following values:
</Para>
<VariableList>
<VarListEntry>
<Term>DtEDITOR_NO_ERRORS</Term>
<ListItem>
<Para>The data was replaced sucessfully.
</Para>
</ListItem>
</VarListEntry>
<VarListEntry>
<Term>DtEDITOR_NULLS_REMOVED</Term>
<ListItem>
<Para>NULL characters were found and removed from the data.
</Para>
</ListItem>
</VarListEntry>
</VariableList>
<Para>Otherwise, if
the
<Function>DtEditorReplace</Function> function
cannot replace the data in the DtEditor widget,
it returns one of the following values:
</Para>
]]>
<VariableList>
<VarListEntry>
<Term>DtEDITOR_INVALID_TYPE</Term>
<ListItem>
<Para>The Type field is not recognized.
</Para>
</ListItem>
</VarListEntry>
<VarListEntry>
<Term>DtEDITOR_INVALID_RANGE</Term>
<ListItem>
<Para>The
<Symbol Role="Variable">startPos</Symbol> argument is greater than the
<Symbol Role="Variable">endPos</Symbol> argument.
</Para>
</ListItem>
</VarListEntry>
<VarListEntry>
<Term>DtEDITOR_ILLEGAL_SIZE</Term>
<ListItem>
<Para>The size of the buffer passed in is negative.
</Para>
</ListItem>
</VarListEntry>
<VarListEntry>
<Term>DtEDITOR_NULL_ITEM</Term>
<ListItem>
<Para>The data buffer is
<SystemItem Class="Constant">NULL</SystemItem>. <![ %CDE.C.CDE; [</Para>
</ListItem>
</VarListEntry>
<VarListEntry>
<Term>DtEDITOR_INSUFFICIENT_MEMORY</Term>
<ListItem>
<Para>Not enough system memory is available to replace the data.
]]></Para>
</ListItem>
</VarListEntry>
</VariableList>
</RefSect1>
<RefSect1>
<Title>EXAMPLES</Title>
<Para>The following code segment modifies the contents of a
DtEditor widget to ``The quick fox.''
</Para>
<InformalExample Remap="indent">
<ProgramListing>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, &amp;cr);
<![ %CDE.C.XO; [if (status != DtEDITOR_NO_ERRORS) {
]]><![ %CDE.C.CDE; [if (status != DtEDITOR_NO_ERRORS &amp;&amp; status != DtEDITOR_NULLS_REMOVED) {
]]> printf("Unable to set contents of the widget&bsol;n");
} else {
cr.type = DtEDITOR_TEXT;
cr.data.string = sampleString2;
status = DtEditorReplace(editor, start, end, &amp;cr);
if (status != DtEDITOR_NO_ERRORS)
printf("Unable to replace part of the widget contents&bsol;n");
}
</ProgramListing>
</InformalExample>
</RefSect1>
<RefSect1>
<Title>APPLICATION USAGE</Title>
<Para>If the data is in a disk file, rather than in memory, the application should
use
&cdeman.DtEditorReplaceFromFile;.</Para>
</RefSect1>
<RefSect1>
<Title>SEE ALSO</Title>
<Para>&cdeman.Dt.Editor.h;, &cdeman.DtEditor;, &cdeman.DtEditorAppend;, &cdeman.DtEditorAppendFromFile;, &cdeman.DtEditorGetContents;, &cdeman.DtEditorInsert;, &cdeman.DtEditorInsertFromFile;, &cdeman.DtEditorReplaceFromFile;, &cdeman.DtEditorSaveContentsToFile;, &cdeman.DtEditorSetContents;, &cdeman.DtEditorSetContentsFromFile;.</Para>
</RefSect1>
</RefEntry>
<!--fickle 1.12 mancsf-to-docbook 1.2 08/07/95 23:40:24-->