gnu/lib/libdialog/gauge.c

   1 /*
   2  * gauge.c
   3  *
   4  * progress indicator for libdialog
   5  *
   6  *
   7  * Copyright (c) 1995, Marc van Kempen
   8  *
   9  * All rights reserved.
  10  *
  11  * This software may be used, modified, copied, distributed, and
  12  * sold, in both source and binary form provided that the above
  13  * copyright and these terms are retained, verbatim, as the first
  14  * lines of this file.  Under no circumstances is the author
  15  * responsible for the proper functioning of this software, nor does
  16  * the author assume any responsibility for damages incurred with
  17  * its use.
  18  *
  19  * $FreeBSD: src/gnu/lib/libdialog/gauge.c,v 1.2.12.2 2002/06/18 07:55:55 dougb Exp $
  20  * $DragonFly: src/gnu/lib/libdialog/gauge.c,v 1.3 2005/06/04 13:42:28 eirikn Exp $
  21  */
  22
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 #include "dialog.h"
  27
  28 void
  29 dialog_gauge(char *title, char *prompt, int y, int x,
  30              int height, int width, int perc)
  31 /*
  32  * Desc: display a progress bar, progress indicated by <perc>
  33  */
  34 {
  35     WINDOW      *gw;
  36     int         glen, i;
  37     char        percs[5];
  38
  39     gw = newwin(height, width, y, x);
  40     if (!gw) {
  41         fprintf(stderr, "dialog_gauge: Error creating window (%d, %d, %d, %d)",
  42                 height, width, y, x);
  43         exit(-1);
  44     }
  45
  46     draw_box(gw, 0, 0, height, width, dialog_attr, border_attr);
  47     draw_shadow(stdscr, y, x, height, width);
  48
  49     wattrset(gw, title_attr);
  50     if (title) {
  51         wmove(gw, 0, (width - strlen(title))/2 - 1);
  52         waddstr(gw, "[ ");
  53         waddstr(gw, title);
  54         waddstr(gw, " ]");
  55     }
  56     wattrset(gw, dialog_attr);
  57     if (prompt) {
  58         wmove(gw, 1, (width - strlen(prompt))/2 - 1);
  59         waddstr(gw, prompt);
  60     }
  61
  62     draw_box(gw, 2, 2, 3, width-4, dialog_attr, border_attr);
  63     glen = (int) ((float) perc/100 * (width-6));
  64
  65     wattrset(gw, dialog_attr);
  66     sprintf(percs, "%3d%%", perc);
  67     wmove(gw, 5, width/2 - 2);
  68     waddstr(gw, percs);
  69
  70     wattrset(gw, A_BOLD);
  71     wmove(gw, 3, 3);
  72     for (i=0; i<glen; i++) waddch(gw, ' ');
  73
  74     wrefresh(gw);
  75     delwin(gw);
  76
  77     return;
  78 } /* dialog_gauge() */
  79