usr.sbin/installer/dfuife_curses/curses_bar.c

   1 /*
   2  * Copyright (c)2004 Cat's Eye Technologies.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  *   Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  *
  11  *   Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in
  13  *   the documentation and/or other materials provided with the
  14  *   distribution.
  15  *
  16  *   Neither the name of Cat's Eye Technologies nor the names of its
  17  *   contributors may be used to endorse or promote products derived
  18  *   from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  24  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  25  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  27  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  29  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  31  * OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 /*
  35  * curses_bar.c
  36  * $Id: curses_bar.c,v 1.7 2005/02/08 06:03:21 cpressey Exp $
  37  */
  38
  39 #include <ncurses.h>
  40 #include <panel.h>
  41 #include <stdlib.h>
  42 #include <string.h>
  43
  44 #include "libaura/mem.h"
  45
  46 #include "curses_util.h"
  47 #include "curses_bar.h"
  48
  49 struct curses_bar *
  50 curses_bar_new(unsigned int x, unsigned int y,
  51                 unsigned int width, unsigned int height,
  52                 int colors, int flags)
  53 {
  54         struct curses_bar *b;
  55
  56         AURA_MALLOC(b, curses_bar);
  57
  58         if (flags & CURSES_BAR_WIDEN)
  59                 width = xmax;
  60         if (flags & CURSES_BAR_BOTTOM)
  61                 y = ymax - 1;
  62
  63         b->x = x;
  64         b->y = y;
  65         b->width = width;
  66         b->height = height;
  67         b->colors = colors;
  68
  69         if ((b->win = newwin(height, width, y, x)) == NULL) {
  70                 AURA_FREE(b, curses_bar);
  71                 return(NULL);
  72         }
  73
  74         curses_colors_set(b->win, colors);
  75         curses_window_blank(b->win);
  76
  77         if ((b->pan = new_panel(b->win)) == NULL) {
  78                 delwin(b->win);
  79                 AURA_FREE(b, curses_bar);
  80                 return(NULL);
  81         }
  82
  83         return(b);
  84 }
  85
  86 void
  87 curses_bar_free(struct curses_bar *b)
  88 {
  89         if (b != NULL) {
  90                 if (b->pan != NULL) {
  91                         del_panel(b->pan);
  92                         if (b->win != NULL) {
  93                                 delwin(b->win);
  94                         }
  95                 }
  96                 AURA_FREE(b, curses_bar);
  97         }
  98
  99         update_panels();
 100         doupdate();
 101 }
 102
 103 void
 104 curses_bar_set_text(struct curses_bar *b, const char *text)
 105 {
 106         int spaces;
 107
 108         curses_colors_set(b->win, b->colors);
 109         mvwaddstr(b->win, 0, 0, text);
 110         spaces = b->width - strlen(text);
 111         whline(b->win, ' ', spaces);
 112 }