1#include <curses.h>
2#include "mucurses.h"
3#include "cursor.h"
4
5/** @file
6 *
7 * MuCurses edging functions
8 *
9 */
10
11/**
12 * Draw borders from single-byte characters and renditions around a
13 * window
14 *
15 * @v *win	window to be bordered
16 * @v verch	vertical chtype
17 * @v horch	horizontal chtype
18 * @ret rc	return status code
19 */
20int box ( WINDOW *win, chtype verch, chtype horch ) {
21	chtype corner = '+' | win->attrs; /* default corner character */
22	return wborder( win, verch, verch, horch, horch,
23			corner, corner, corner, corner );
24}
25
26/**
27 * Draw borders from single-byte characters and renditions around a
28 * window
29 *
30 * @v *win	window to be bordered
31 * @v ls	left side
32 * @v rs	right side
33 * @v ts	top
34 * @v bs	bottom
35 * @v tl	top left corner
36 * @v tr	top right corner
37 * @v bl	bottom left corner
38 * @v br	bottom right corner
39 * @ret rc	return status code
40 */
41int wborder ( WINDOW *win, chtype ls, chtype rs,
42	      chtype ts, chtype bs, chtype tl,
43	      chtype tr, chtype bl, chtype br ) {
44	struct cursor_pos pos;
45
46	_store_curs_pos( win, &pos );
47	wmove(win,0,0);
48
49	_wputch(win,tl,WRAP);
50	while ( ( win->width - 1 ) - win->curs_x ) {
51		_wputch(win,ts,WRAP);
52	}
53	_wputch(win,tr,WRAP);
54
55	while ( ( win->height - 1 ) - win->curs_y ) {
56		_wputch(win,ls,WRAP);
57		wmove(win,win->curs_y,(win->width)-1);
58		_wputch(win,rs,WRAP);
59	}
60
61	_wputch(win,bl,WRAP);
62	while ( ( win->width -1 ) - win->curs_x ) {
63		_wputch(win,bs,WRAP);
64	}
65	_wputch(win,br,NOWRAP); /* do not wrap last char to leave
66				   cursor in last position */
67	_restore_curs_pos( win, &pos );
68
69	return OK;
70}
71
72/**
73 * Create a horizontal line in a window
74 *
75 * @v *win	subject window
76 * @v ch	rendition and character
77 * @v n		max number of chars (wide) to render
78 * @ret rc	return status code
79 */
80int whline ( WINDOW *win, chtype ch, int n ) {
81	struct cursor_pos pos;
82
83	_store_curs_pos ( win, &pos );
84	while ( ( win->curs_x - win->width ) && n-- ) {
85		_wputch ( win, ch, NOWRAP );
86	}
87	_restore_curs_pos ( win, &pos );
88
89	return OK;
90}
91
92/**
93 * Create a vertical line in a window
94 *
95 * @v *win	subject window
96 * @v ch	rendition and character
97 * @v n		max number of chars (high) to render
98 * @ret rc	return status code
99 */
100int wvline ( WINDOW *win, chtype ch, int n ) {
101	struct cursor_pos pos;
102
103	_store_curs_pos ( win, &pos );
104	while ( ( win->curs_y - win->height ) && n-- ) {
105		_wputch ( win, ch, NOWRAP );
106		wmove( win, ++(win->curs_y), pos.x);
107	}
108	_restore_curs_pos ( win, &pos );
109
110	return OK;
111}
112