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- <STRONG>form_field_new</STRONG> - create and destroy form fields
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-<H2>SYNOPSIS</H2><PRE>
- <STRONG>#include</STRONG> <STRONG><form.h></STRONG>
- FIELD *new_field(int height, int width,
- int toprow, int leftcol,
- int offscreen, int nbuffers);
- FIELD *dup_field(FIELD *field, int toprow, int leftcol);
- FIELD *link_field(FIELD *field, int toprow, int leftcol);
- int free_field(FIELD *field);
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-<H2>DESCRIPTION</H2><PRE>
- The function <STRONG>new_field</STRONG> allocates a new field and initial-
- izes it from the parameters given: height, width, row of
- upper-left corner, column of upper-left corner, number
- off-screen rows, and number of additional working buffers.
-
- The function <STRONG>dup_field</STRONG> duplicates a field at a new loca-
- tion. Most attributes (including current contents, size,
- validation type, buffer count, growth threshold, justifi-
- cation, foreground, background, pad character, options,
- and user pointer) are copied. Field status and the field
- page bit are not copied.
-
- The function <STRONG>link_field</STRONG> acts like <STRONG>dup_field</STRONG>, but the new
- field shares buffers with its parent. Attribute data is
- separate.
-
- The function <STRONG>free_field</STRONG> de-allocates storage associated
- with a field.
-
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-<H2>RETURN VALUE</H2><PRE>
- The function, <STRONG>new_field</STRONG>, <STRONG>dup_field</STRONG>, <STRONG>link_field</STRONG> return <STRONG>NULL</STRONG>
- on error.
-
- The function <STRONG>free_field</STRONG> returns one of the following:
-
- <STRONG>E_OK</STRONG> The routine succeeded.
-
- <STRONG>E_SYSTEM_ERROR</STRONG>
- System error occurred (see <STRONG>errno</STRONG>).
-
- <STRONG>E_BAD_ARGUMENT</STRONG>
- Routine detected an incorrect or out-of-range argu-
- ment.
-
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-<H2>SEE ALSO</H2><PRE>
- <STRONG><A HREF="ncurses.3x.html">curses(3X)</A></STRONG>, <STRONG><A HREF="form.3x.html">form(3X)</A></STRONG>.
-
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-<H2>NOTES</H2><PRE>
- The header file <STRONG><form.h></STRONG> automatically includes the header
- file <STRONG><curses.h></STRONG>.
- These routines emulate the System V forms library. They
- were not supported on Version 7 or BSD versions.
-
- It may be unwise to count on the set of attributes copied
- by <STRONG><A HREF="dup_field.3x.html">dup_field(3X)</A></STRONG> being portable; the System V forms
- library documents are not very explicit on what gets
- copied and was not.
-
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-<H2>AUTHORS</H2><PRE>
- Juergen Pfeifer. Manual pages and adaptation for new
- curses by Eric S. Raymond.
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projects / ncurses.git / blobdiff