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DtEditorInsert(3)
CDE
NAME
DtEditorInsert - insert data into a DtEditor widget
SYNOPSIS
#include <Editor.h>
DtEditorErrorCode DtEditorInsert(Widget widget,
DtEditorContentRec *data);
DESCRIPTION
The DtEditorInsert function inserts either a string, wide character string
or sized buffer at the insertion cursor position in a DtEditor widget. The
data is transferred to the DtEditor widget using a DtEditorContentRec,
which indicates the type of data being transferred along with the actual
data. After the data is appended, the insertion cursor is positioned after
the last character inserted.
The widget argument specifies the DtEditor widget ID.
The data argument is a pointer to a data structure containing 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 Editor(5).
RETURN VALUE
Upon successful completion, the DtEditorInsert function returns DtEDITOR_-
NO_ERRORS; otherwise, it returns one of the following values: Upon
successful completion, the DtEditorInsert function returns one of the
following values:
DtEDITOR_NO_ERRORS
The data was inserted sucessfully.
DtEDITOR_NULLS_REMOVED
NULL characters were found and removed from the data.
Otherwise, if the DtEditorInsert function cannot insert the data into the
DtEditor widget, it returns one of the following values:
DtEDITOR_INVALID_TYPE
The Type field is not recognized.
DtEDITOR_ILLEGAL_SIZE
The size of the buffer passed in is negative.
DtEDITOR_NULL_ITEM
The buffer is NULL.
DtEDITOR_INSUFFICIENT_MEMORY
Not enough system memory is available to insert the data.
EXAMPLES
The following code segment sets the contents of a DtEditor widget to ``The
quick brown fox.''
Widget editor;
DtEditorContentRec cr;
DtEditorErrorCode status;
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 {
/*
* Move the insertion cursor so it is after the
* letter 'e' in "The".
*/
DtEditorSetInsertionCursorPosition(editor, 2);
cr.type = DtEDITOR_TEXT;
cr.data.string = sampleString2;
status = DtEditorInsert(editor, &cr);
if (status != DtEDITOR_NO_ERRORS)
printf("Unable to insert into the contents of the widget\n");
}
APPLICATION USAGE
If the data is in a disk file, rather than in memory, the application
should use DtEditorInsertFromFile(3).
SEE ALSO
Editor.h(5), DtEditor(3), DtEditorAppend(3), DtEditorAppendFromFile(3),
DtEditorGetContents(3), DtEditorInsertFromFile(3), DtEditorReplace(3),
DtEditorReplaceFromFile(3), DtEditorSaveContentsToFile(3),
DtEditorSetContents(3), DtEditorGetInsertionPosition(3),
DtEditorSetInsertionPosition(3), DtEditorSetContentsFromFile(3).
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