fld_attr.c 5.1 KB

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  1. /****************************************************************************
  2. * Copyright (c) 1998 Free Software Foundation, Inc. *
  3. * *
  4. * Permission is hereby granted, free of charge, to any person obtaining a *
  5. * copy of this software and associated documentation files (the *
  6. * "Software"), to deal in the Software without restriction, including *
  7. * without limitation the rights to use, copy, modify, merge, publish, *
  8. * distribute, distribute with modifications, sublicense, and/or sell *
  9. * copies of the Software, and to permit persons to whom the Software is *
  10. * furnished to do so, subject to the following conditions: *
  11. * *
  12. * The above copyright notice and this permission notice shall be included *
  13. * in all copies or substantial portions of the Software. *
  14. * *
  15. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
  16. * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
  17. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
  18. * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
  19. * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
  20. * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
  21. * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
  22. * *
  23. * Except as contained in this notice, the name(s) of the above copyright *
  24. * holders shall not be used in advertising or otherwise to promote the *
  25. * sale, use or other dealings in this Software without prior written *
  26. * authorization. *
  27. ****************************************************************************/
  28. /****************************************************************************
  29. * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 *
  30. ****************************************************************************/
  31. #include "form.priv.h"
  32. MODULE_ID("$Id$")
  33. /*----------------------------------------------------------------------------
  34. Field-Attribute manipulation routines
  35. --------------------------------------------------------------------------*/
  36. /* "Template" macro to generate a function to set a fields attribute */
  37. #define GEN_FIELD_ATTR_SET_FCT( name ) \
  38. int set_field_ ## name (FIELD * field, chtype attr)\
  39. {\
  40. int res = E_BAD_ARGUMENT;\
  41. if ( attr==A_NORMAL || ((attr & A_ATTRIBUTES)==attr) )\
  42. {\
  43. Normalize_Field( field );\
  44. if ((field -> name) != attr)\
  45. {\
  46. field -> name = attr;\
  47. res = _nc_Synchronize_Attributes( field );\
  48. }\
  49. else\
  50. res = E_OK;\
  51. }\
  52. RETURN(res);\
  53. }
  54. /* "Template" macro to generate a function to get a fields attribute */
  55. #define GEN_FIELD_ATTR_GET_FCT( name ) \
  56. chtype field_ ## name (const FIELD * field)\
  57. {\
  58. return ( A_ATTRIBUTES & (Normalize_Field( field ) -> name) );\
  59. }
  60. /*---------------------------------------------------------------------------
  61. | Facility : libnform
  62. | Function : int set_field_fore(FIELD *field, chtype attr)
  63. |
  64. | Description : Sets the foreground of the field used to display the
  65. | field contents.
  66. |
  67. | Return Values : E_OK - success
  68. | E_BAD_ARGUMENT - invalid attributes
  69. | E_SYSTEM_ERROR - system error
  70. +--------------------------------------------------------------------------*/
  71. GEN_FIELD_ATTR_SET_FCT( fore )
  72. /*---------------------------------------------------------------------------
  73. | Facility : libnform
  74. | Function : chtype field_fore(const FIELD *)
  75. |
  76. | Description : Retrieve fields foreground attribute
  77. |
  78. | Return Values : The foreground attribute
  79. +--------------------------------------------------------------------------*/
  80. GEN_FIELD_ATTR_GET_FCT( fore )
  81. /*---------------------------------------------------------------------------
  82. | Facility : libnform
  83. | Function : int set_field_back(FIELD *field, chtype attr)
  84. |
  85. | Description : Sets the background of the field used to display the
  86. | fields extend.
  87. |
  88. | Return Values : E_OK - success
  89. | E_BAD_ARGUMENT - invalid attributes
  90. | E_SYSTEM_ERROR - system error
  91. +--------------------------------------------------------------------------*/
  92. GEN_FIELD_ATTR_SET_FCT( back )
  93. /*---------------------------------------------------------------------------
  94. | Facility : libnform
  95. | Function : chtype field_back(const
  96. |
  97. | Description : Retrieve fields background attribute
  98. |
  99. | Return Values : The background attribute
  100. +--------------------------------------------------------------------------*/
  101. GEN_FIELD_ATTR_GET_FCT( back )
  102. /* fld_attr.c ends here */