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 1.9 2005/08/26 22:44:37 cpressey Exp $
37 */
38
39 #include <ncurses.h>
40 #include <panel.h>
41 #include <stdarg.h>
42 #include <stdlib.h>
43 #include <string.h>
44
45 #ifdef SYSTEM_AURA
46 #include <aura/mem.h>
47 #else
48 #include "mem.h"
49 #endif
50
51 #include "curses_util.h"
52 #include "curses_bar.h"
53
54 struct curses_bar *
curses_bar_new(unsigned int x,unsigned int y,unsigned int width,unsigned int height,int colors,int flags)55 curses_bar_new(unsigned int x, unsigned int y,
56 unsigned int width, unsigned int height,
57 int colors, int flags)
58 {
59 struct curses_bar *b;
60
61 AURA_MALLOC(b, curses_bar);
62
63 if (flags & CURSES_BAR_WIDEN)
64 width = xmax;
65 if (flags & CURSES_BAR_BOTTOM)
66 y = ymax - 1;
67
68 b->x = x;
69 b->y = y;
70 b->width = width;
71 b->height = height;
72 b->colors = colors;
73
74 if ((b->win = newwin(height, width, y, x)) == NULL) {
75 AURA_FREE(b, curses_bar);
76 return(NULL);
77 }
78
79 curses_colors_set(b->win, colors);
80 curses_window_blank(b->win);
81
82 if ((b->pan = new_panel(b->win)) == NULL) {
83 delwin(b->win);
84 AURA_FREE(b, curses_bar);
85 return(NULL);
86 }
87
88 return(b);
89 }
90
91 void
curses_bar_free(struct curses_bar * b)92 curses_bar_free(struct curses_bar *b)
93 {
94 if (b != NULL) {
95 if (b->pan != NULL) {
96 del_panel(b->pan);
97 if (b->win != NULL) {
98 delwin(b->win);
99 }
100 }
101 AURA_FREE(b, curses_bar);
102 }
103
104 update_panels();
105 doupdate();
106 }
107
108 void
curses_bar_set_text(struct curses_bar * b,const char * fmt,...)109 curses_bar_set_text(struct curses_bar *b, const char *fmt, ...)
110 {
111 int spaces;
112 char *text;
113 va_list va;
114
115 va_start(va, fmt);
116 if (vasprintf(&text, fmt, va) == -1)
117 return;
118 va_end(va);
119 text[b->width] = '\0';
120
121 curses_colors_set(b->win, b->colors);
122 mvwaddstr(b->win, 0, 0, text);
123 spaces = b->width - strlen(text);
124 whline(b->win, ' ', spaces);
125 free(text);
126 }
127