src/dialog.c

   1 /* Dialog managing.
   2    Copyright (C) 1994 Miguel de Icaza.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software
  16    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 #include <config.h>
  19 #include <stdio.h>
  20 #include <stdarg.h>
  21 #include <sys/types.h>
  22 #include <string.h>
  23 #include "global.h"
  24 #include "dialog.h"
  25 #include "key.h"                /* we_are_background */
  26 #include "main.h"               /* fast_refresh */
  27
  28
  29 /* The refresh stack */
  30 typedef struct Refresh {
  31     void (*refresh_fn)(void *);
  32     void *parameter;
  33     int  flags;
  34     struct Refresh *next;
  35 } Refresh;
  36
  37 static Refresh *refresh_list;
  38
  39 void
  40 push_refresh (refresh_fn new_refresh, void *parameter, int flags)
  41 {
  42     Refresh *new;
  43
  44     new = g_new (Refresh, 1);
  45     new->next = (struct Refresh *) refresh_list;
  46     new->refresh_fn = new_refresh;
  47     new->parameter = parameter;
  48     new->flags = flags;
  49     refresh_list = new;
  50 }
  51
  52 void
  53 pop_refresh (void)
  54 {
  55     Refresh *old;
  56
  57     if (!refresh_list)
  58         fprintf (stderr, _("\n\n\nrefresh stack underflow!\n\n\n"));
  59     else {
  60         old = refresh_list;
  61         refresh_list = refresh_list->next;
  62         g_free (old);
  63     }
  64 }
  65
  66 static void
  67 do_complete_refresh (Refresh *refresh_list)
  68 {
  69     if (!refresh_list)
  70         return;
  71
  72     if (refresh_list->flags != REFRESH_COVERS_ALL)
  73         do_complete_refresh (refresh_list->next);
  74
  75     (*(refresh_list->refresh_fn)) (refresh_list->parameter);
  76 }
  77
  78 void
  79 do_refresh (void)
  80 {
  81     if (we_are_background || !refresh_list)
  82         return;
  83
  84     if (fast_refresh)
  85         (*(refresh_list->refresh_fn)) (refresh_list->parameter);
  86     else {
  87         do_complete_refresh (refresh_list);
  88     }
  89 }