code.delx.au - gnu-emacs/blob - oldXMenu/DelPane.c

   1 #include "copyright.h"
   2
   3 /* Copyright    Massachusetts Institute of Technology    1985   */
   4 /* Copyright (C) 2001, 2002, 2003, 2004, 2005,
   5                  2006, 2007 Free Software Foundation, Inc.  */
   6
   7 /*
   8  * XMenu:       MIT Project Athena, X Window system menu package
   9  *
  10  *      XMenuDeletePane - Deletes a pane from an XMenu object.
  11  *
  12  *      Author:         Tony Della Fera, DEC
  13  *                      20-Nov-85
  14  *
  15  */
  16
  17 #include "XMenuInt.h"
  18
  19 int
  20 XMenuDeletePane(display, menu, p_num)
  21     register Display *display;  /* Previously opened display */
  22     register XMenu *menu;       /* Menu object to be modified. */
  23     register int p_num;         /* Pane number to be deleted. */
  24 {
  25     register XMPane *p_ptr;     /* Pointer to pane being deleted. */
  26     register XMSelect *s_ptr;   /* Pointer to selections being deleted. */
  27     register XMSelect *s_next;  /* Pointer to next selection to be deleted. */
  28
  29     /*
  30      * Find the right pane.
  31      */
  32     p_ptr = _XMGetPanePtr(menu, p_num);
  33     if (p_ptr == NULL) return(XM_FAILURE);
  34
  35     /*
  36      * Remove the pane from the association table.
  37      */
  38     XDeleteAssoc(display, menu->assoc_tab, p_ptr->window);
  39
  40     /*
  41      * Remove the pane from the pane list and update
  42      * the pane count.
  43      */
  44     emacs_remque(p_ptr);
  45     menu->p_count--;
  46
  47     /*
  48      * Remove all the selections in the pane from the
  49      * association table and free their XMSelect structures.
  50      */
  51     for (
  52         s_ptr = p_ptr->s_list->next;
  53         s_ptr != p_ptr->s_list;
  54         s_ptr = s_next
  55     ) {
  56         XDeleteAssoc(display, menu->assoc_tab, s_ptr->window);
  57         s_next = s_ptr->next;
  58         free(s_ptr);
  59     }
  60     free(p_ptr->s_list);
  61
  62     if (p_ptr->window) {
  63         /*
  64          * Destroy the selection transparencies.
  65          */
  66         XDestroySubwindows(display, p_ptr->window);
  67
  68         /*
  69          * Destroy the pane window.
  70          */
  71         XDestroyWindow(display, p_ptr->window);
  72     }
  73
  74     /*
  75      * Free the pane's XMPane structure.
  76      */
  77     free(p_ptr);
  78
  79     /*
  80      * Schedule a recompute.
  81      */
  82     menu->recompute = 1;
  83
  84     /*
  85      * Return the pane number just deleted.
  86      */
  87     _XMErrorCode = XME_NO_ERROR;
  88     return(p_num);
  89 }
  90
  91 /* arch-tag: 32a5bfd4-4bac-4090-bb53-844110f4908e
  92    (do not change this comment) */