CMakeLua/Source/CursesDialog/form/frm_hook.c

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   2  * Copyright (c) 1998 Free Software Foundation, Inc.                        *
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  28
  29 /****************************************************************************
  30  *   Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997            *
  31  ****************************************************************************/
  32
  33 #include "form.priv.h"
  34
  35 MODULE_ID("$Id: frm_hook.c,v 1.1 2001/11/05 16:53:02 berk Exp $")
  36
  37 /* "Template" macro to generate function to set application specific hook */
  38 #define GEN_HOOK_SET_FUNCTION( typ, name ) \
  39 int set_ ## typ ## _ ## name (FORM *form, Form_Hook func)\
  40 {\
  41    (Normalize_Form( form ) -> typ ## name) = func ;\
  42    RETURN(E_OK);\
  43 }
  44
  45 /* "Template" macro to generate function to get application specific hook */
  46 #define GEN_HOOK_GET_FUNCTION( typ, name ) \
  47 Form_Hook typ ## _ ## name ( const FORM *form )\
  48 {\
  49    return ( Normalize_Form( form ) -> typ ## name );\
  50 }
  51 \f
  52 /*---------------------------------------------------------------------------
  53 |   Facility      :  libnform
  54 |   Function      :  int set_field_init(FORM *form, Form_Hook f)
  55 |
  56 |   Description   :  Assigns an application defined initialization function
  57 |                    to be called when the form is posted and just after
  58 |                    the current field changes.
  59 |
  60 |   Return Values :  E_OK      - success
  61 +--------------------------------------------------------------------------*/
  62 GEN_HOOK_SET_FUNCTION(field,init)
  63
  64 /*---------------------------------------------------------------------------
  65 |   Facility      :  libnform
  66 |   Function      :  Form_Hook field_init(const FORM *form)
  67 |
  68 |   Description   :  Retrieve field initialization routine address.
  69 |
  70 |   Return Values :  The address or NULL if no hook defined.
  71 +--------------------------------------------------------------------------*/
  72 GEN_HOOK_GET_FUNCTION(field,init)
  73
  74 /*---------------------------------------------------------------------------
  75 |   Facility      :  libnform
  76 |   Function      :  int set_field_term(FORM *form, Form_Hook f)
  77 |
  78 |   Description   :  Assigns an application defined finalization function
  79 |                    to be called when the form is unposted and just before
  80 |                    the current field changes.
  81 |
  82 |   Return Values :  E_OK      - success
  83 +--------------------------------------------------------------------------*/
  84 GEN_HOOK_SET_FUNCTION(field,term)
  85
  86 /*---------------------------------------------------------------------------
  87 |   Facility      :  libnform
  88 |   Function      :  Form_Hook field_term(const FORM *form)
  89 |
  90 |   Description   :  Retrieve field finalization routine address.
  91 |
  92 |   Return Values :  The address or NULL if no hook defined.
  93 +--------------------------------------------------------------------------*/
  94 GEN_HOOK_GET_FUNCTION(field,term)
  95
  96 /*---------------------------------------------------------------------------
  97 |   Facility      :  libnform
  98 |   Function      :  int set_form_init(FORM *form, Form_Hook f)
  99 |
 100 |   Description   :  Assigns an application defined initialization function
 101 |                    to be called when the form is posted and just after
 102 |                    a page change.
 103 |
 104 |   Return Values :  E_OK       - success
 105 +--------------------------------------------------------------------------*/
 106 GEN_HOOK_SET_FUNCTION(form,init)
 107
 108 /*---------------------------------------------------------------------------
 109 |   Facility      :  libnform
 110 |   Function      :  Form_Hook form_init(const FORM *form)
 111 |
 112 |   Description   :  Retrieve form initialization routine address.
 113 |
 114 |   Return Values :  The address or NULL if no hook defined.
 115 +--------------------------------------------------------------------------*/
 116 GEN_HOOK_GET_FUNCTION(form,init)
 117
 118 /*---------------------------------------------------------------------------
 119 |   Facility      :  libnform
 120 |   Function      :  int set_form_term(FORM *form, Form_Hook f)
 121 |
 122 |   Description   :  Assigns an application defined finalization function
 123 |                    to be called when the form is unposted and just before
 124 |                    a page change.
 125 |
 126 |   Return Values :  E_OK       - success
 127 +--------------------------------------------------------------------------*/
 128 GEN_HOOK_SET_FUNCTION(form,term)
 129
 130 /*---------------------------------------------------------------------------
 131 |   Facility      :  libnform
 132 |   Function      :  Form_Hook form_term(const FORM *form)
 133 |
 134 |   Description   :  Retrieve form finalization routine address.
 135 |
 136 |   Return Values :  The address or NULL if no hook defined.
 137 +--------------------------------------------------------------------------*/
 138 GEN_HOOK_GET_FUNCTION(form,term)
 139
 140 /* frm_hook.c ends here */