Xw/FormP.h

   1 /*************************************<+>*************************************
   2  *****************************************************************************
   3  **
   4  **   File:        FormP.h
   5  **
   6  **   Project:     X Widgets
   7  **
   8  **   Description: Private include file for the Form class
   9  **
  10  *****************************************************************************
  11  **
  12  **   Copyright (c) 1988 by Hewlett-Packard Company
  13  **   Copyright (c) 1988 by the Massachusetts Institute of Technology
  14  **
  15  **   Permission to use, copy, modify, and distribute this software
  16  **   and its documentation for any purpose and without fee is hereby
  17  **   granted, provided that the above copyright notice appear in all
  18  **   copies and that both that copyright notice and this permission
  19  **   notice appear in supporting documentation, and that the names of
  20  **   Hewlett-Packard or  M.I.T.  not be used in advertising or publicity
  21  **   pertaining to distribution of the software without specific, written
  22  **   prior permission.
  23  **
  24  *****************************************************************************
  25  *************************************<+>*************************************/
  26
  27
  28 /*  Form constraint rec  */
  29
  30 typedef struct _XwFormConstraintRec
  31 {
  32    String  x_ref_name;          /*  the name of the widget to reference     */
  33    Widget  x_ref_widget;        /*  the widget to reference                 */
  34    int     x_offset;            /*  the offset (pixels) from the reference  */
  35    Boolean x_add_width;         /*  add width of the reference to x coord   */
  36    Boolean x_vary_offset;       /*  able to vary the seperation             */
  37    Boolean x_resizable;         /*  able to resize in x direction           */
  38    Boolean x_attach_right;      /*  attached to the right edge of the form  */
  39    int     x_attach_offset;     /*  offset (pixels) from attached edge      */
  40
  41    String  y_ref_name;          /*  y constraints are the same as x  */
  42    Widget  y_ref_widget;
  43    int     y_offset;
  44    Boolean y_add_height;
  45    Boolean y_vary_offset;
  46    Boolean y_resizable;
  47    Boolean y_attach_bottom;
  48    int     y_attach_offset;
  49
  50
  51    Boolean   managed;           /*  whether the widget is managed or not     */
  52    int       x, y;              /*  location after constraint processing     */
  53    Dimension width, height;     /*  size after constraint processing         */
  54
  55    int       set_x;             /*  original y                               */
  56    int       set_y;             /*  original x                               */
  57    Dimension set_width;         /*  original or set values width of widget   */
  58    Dimension set_height;        /*  original or set values height of widget  */
  59
  60    Dimension width_when_unmanaged;
  61    Dimension height_when_unmanaged;
  62 } XwFormConstraintRec;
  63
  64
  65 /*  Form class structure  */
  66
  67 typedef struct _XwFormClassPart
  68 {
  69    int foo;     /*  No new fields needed  */
  70 } XwFormClassPart;
  71
  72
  73 /*  Full class record declaration for Form class  */
  74
  75 typedef struct _XwFormClassRec
  76 {
  77    CoreClassPart        core_class;
  78    CompositeClassPart   composite_class;
  79    ConstraintClassPart  constraint_class;
  80    XwManagerClassPart   manager_class;
  81    XwFormClassPart      form_class;
  82 } XwFormClassRec;
  83
  84 extern XwFormClassRec XwformClassRec;
  85
  86
  87 /*  The Form tree structure used for containing the constraint tree  */
  88
  89 struct _XwFormRef
  90 {
  91    Widget  this;                /*  the widget these constaints are for     */
  92    Widget  ref;                 /*  the widget this constraint is for       */
  93    int     offset;              /*  offset (pixels) from parent ref         */
  94    Boolean add;                 /*  add (width or height) of parent ref     */
  95    Boolean vary;                /*  able to vary the seperation             */
  96    Boolean resizable;           /*  able to resize                          */
  97    Boolean attach;              /*  attached to the edge (right or bottom)  */
  98    int     attach_offset;       /*  offset (pixels) from attached edge      */
  99
 100    int set_loc;            /*  the initial or set value location  */
 101    int set_size;           /*  the initial or set value size      */
 102
 103    struct _XwFormRef ** ref_to;         /*  child references            */
 104    int                  ref_to_count;   /*  number of child references  */
 105 };
 106
 107 typedef struct _XwFormRef XwFormRef;
 108
 109
 110 typedef struct _XwFormProcess
 111 {
 112    XwFormRef * ref;
 113    int loc;
 114    int size;
 115    Boolean leaf;
 116 } XwFormProcess;
 117
 118 /*  The Form instance record  */
 119
 120 typedef struct _XwFormPart
 121 {
 122    XwFormRef * width_tree;
 123    XwFormRef * height_tree;
 124 } XwFormPart;
 125
 126
 127 /*  Full instance record declaration  */
 128
 129 typedef struct _XwFormRec
 130 {
 131    CorePart         core;
 132    CompositePart    composite;
 133    ConstraintPart   constraint;
 134    XwManagerPart    manager;
 135    XwFormPart       form;
 136 } XwFormRec;
 137
 138
 139
 140