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 }
113