4.3BSD - /usr/src/new/X/XMenu/XMenuChgPane.c

   1: #include <X/mit-copyright.h>
   2: 
   3: /* $Header: XMenuChgPane.c,v 10.8 86/02/01 16:14:29 tony Rel $ */
   4: /* Copyright    Massachusetts Institute of Technology    1985	*/
   5: 
   6: /*
   7:  * XMenu:	MIT Project Athena, X Window system menu package
   8:  *
   9:  *	XMenuChangePane - Change the label of a  menu pane.
  10:  *
  11:  *	Author:		Tony Della Fera, DEC
  12:  *			December 19, 1985
  13:  *
  14:  */
  15: 
  16: #include "XMenuInternal.h"
  17: 
  18: int
  19: XMenuChangePane(menu, p_num, label)
  20:     register XMenu *menu;   /* Menu object to be modified. */
  21:     register int p_num;     /* Pane number to be modified. */
  22:     char *label;        /* Selection label. */
  23: {
  24:     register int i;     /* Loop counter. */
  25:     register XMPane *p_ptr; /* XMPane pointer. */
  26: 
  27:     int label_length;       /* Label lenght in characters. */
  28:     int label_width;        /* Label width in pixels. */
  29: 
  30:     /*
  31:      * Check for NULL pointers!
  32:      */
  33:     if (label == NULL) {
  34:     _XMErrorCode = XME_ARG_BOUNDS;
  35:     return(XM_FAILURE);
  36:     }
  37: 
  38:     /*
  39:      * Find the right pane.
  40:      */
  41:     p_ptr = _XMGetPanePtr(menu, p_num);
  42:     if (p_ptr == NULL) return(XM_FAILURE);
  43: 
  44:     /*
  45:      * Determine label size.
  46:      */
  47:     label_width = XQueryWidth(label, menu->p_fnt_info->id);
  48:     label_length = strlen(label);
  49: 
  50:     /*
  51:      * Change the pane data.
  52:      */
  53:     p_ptr->label = label;
  54:     p_ptr->label_width = label_width;
  55:     p_ptr->label_length = label_length;
  56: 
  57:     /*
  58:      * Schedule a recompute.
  59:      */
  60:     menu->recompute = 1;
  61: 
  62:     /*
  63:      * Return the pane number just changed.
  64:      */
  65:     _XMErrorCode = XME_NO_ERROR;
  66:     return(p_num);
  67: }

Defined functions