line.c revision 1.5 1 1.5 blymn /* $NetBSD: line.c,v 1.5 2007/05/28 15:01:56 blymn Exp $ */
2 1.1 blymn
3 1.1 blymn /*-
4 1.1 blymn * Copyright (c) 1998-1999 Brett Lymn
5 1.5 blymn * (blymn (at) baea.com.au, brett_lymn (at) yahoo.com.au)
6 1.1 blymn * All rights reserved.
7 1.1 blymn *
8 1.1 blymn * This code has been donated to The NetBSD Foundation by the Author.
9 1.1 blymn *
10 1.1 blymn * Redistribution and use in source and binary forms, with or without
11 1.1 blymn * modification, are permitted provided that the following conditions
12 1.1 blymn * are met:
13 1.1 blymn * 1. Redistributions of source code must retain the above copyright
14 1.1 blymn * notice, this list of conditions and the following disclaimer.
15 1.1 blymn * 2. The name of the author may not be used to endorse or promote products
16 1.3 wiz * derived from this software without specific prior written permission
17 1.1 blymn *
18 1.1 blymn * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 1.1 blymn * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 1.1 blymn * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 1.1 blymn * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 1.1 blymn * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 1.1 blymn * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 1.1 blymn * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 1.1 blymn * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 1.1 blymn * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 1.1 blymn * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 1.1 blymn *
29 1.1 blymn *
30 1.1 blymn */
31 1.1 blymn
32 1.1 blymn #include <sys/cdefs.h>
33 1.1 blymn #ifndef lint
34 1.5 blymn __RCSID("$NetBSD: line.c,v 1.5 2007/05/28 15:01:56 blymn Exp $");
35 1.1 blymn #endif /* not lint */
36 1.1 blymn
37 1.5 blymn #include <string.h>
38 1.5 blymn
39 1.1 blymn #include "curses.h"
40 1.1 blymn #include "curses_private.h"
41 1.1 blymn
42 1.1 blymn /*
43 1.1 blymn * hline --
44 1.5 blymn * Draw a horizontal line of character c on stdscr.
45 1.1 blymn */
46 1.1 blymn int
47 1.1 blymn hline(chtype ch, int count)
48 1.1 blymn {
49 1.1 blymn return whline(stdscr, ch, count);
50 1.1 blymn }
51 1.1 blymn
52 1.1 blymn /*
53 1.1 blymn * mvhline --
54 1.5 blymn * Move to location (y, x) and draw a horizontal line of character c
55 1.5 blymn * on stdscr.
56 1.1 blymn */
57 1.1 blymn int
58 1.1 blymn mvhline(int y, int x, chtype ch, int count)
59 1.1 blymn {
60 1.1 blymn return mvwhline(stdscr, y, x, ch, count);
61 1.1 blymn }
62 1.1 blymn
63 1.1 blymn /*
64 1.1 blymn * mvwhline --
65 1.5 blymn * Move to location (y, x) and draw a horizontal line of character c
66 1.5 blymn * in the given window.
67 1.1 blymn */
68 1.1 blymn int
69 1.1 blymn mvwhline(WINDOW *win, int y, int x, chtype ch, int count)
70 1.1 blymn {
71 1.1 blymn if (wmove(win, y, x) == ERR)
72 1.1 blymn return ERR;
73 1.1 blymn
74 1.1 blymn return whline(win, ch, count);
75 1.1 blymn }
76 1.1 blymn
77 1.1 blymn /*
78 1.1 blymn * whline --
79 1.5 blymn * Draw a horizontal line of character c in the given window moving
80 1.5 blymn * towards the rightmost column. At most count characters are drawn
81 1.5 blymn * or until the edge of the screen, whichever comes first.
82 1.1 blymn */
83 1.1 blymn int
84 1.1 blymn whline(WINDOW *win, chtype ch, int count)
85 1.1 blymn {
86 1.1 blymn int ocurx, n, i;
87 1.1 blymn
88 1.1 blymn n = min(count, win->maxx - win->curx);
89 1.1 blymn ocurx = win->curx;
90 1.4 blymn
91 1.2 jdc if (!(ch & __CHARTEXT))
92 1.2 jdc ch |= ACS_HLINE;
93 1.1 blymn for (i = 0; i < n; i++)
94 1.1 blymn mvwaddch(win, win->cury, ocurx + i, ch);
95 1.1 blymn
96 1.1 blymn wmove(win, win->cury, ocurx);
97 1.1 blymn return OK;
98 1.1 blymn }
99 1.1 blymn
100 1.1 blymn /*
101 1.1 blymn * vline --
102 1.5 blymn * Draw a vertical line of character ch on stdscr.
103 1.1 blymn */
104 1.1 blymn int
105 1.1 blymn vline(chtype ch, int count)
106 1.1 blymn {
107 1.1 blymn return wvline(stdscr, ch, count);
108 1.1 blymn }
109 1.1 blymn
110 1.1 blymn /*
111 1.1 blymn * mvvline --
112 1.5 blymn * Move to the given location an draw a vertical line of character ch.
113 1.1 blymn */
114 1.1 blymn int
115 1.1 blymn mvvline(int y, int x, chtype ch, int count)
116 1.1 blymn {
117 1.1 blymn return mvwvline(stdscr, y, x, ch, count);
118 1.1 blymn }
119 1.1 blymn
120 1.1 blymn /*
121 1.1 blymn * mvwvline --
122 1.5 blymn * Move to the given location and draw a vertical line of character ch
123 1.5 blymn * on the given window.
124 1.1 blymn */
125 1.1 blymn int
126 1.1 blymn mvwvline(WINDOW *win, int y, int x, chtype ch, int count)
127 1.1 blymn {
128 1.1 blymn if (wmove(win, y, x) == ERR)
129 1.1 blymn return ERR;
130 1.1 blymn
131 1.1 blymn return wvline(win, ch, count);
132 1.1 blymn }
133 1.1 blymn
134 1.1 blymn /*
135 1.1 blymn * wvline --
136 1.5 blymn * Draw a vertical line of character ch in the given window moving
137 1.5 blymn * towards the bottom of the screen. At most count characters are drawn
138 1.5 blymn * or until the edge of the screen, whichever comes first.
139 1.1 blymn */
140 1.1 blymn int
141 1.1 blymn wvline(WINDOW *win, chtype ch, int count)
142 1.1 blymn {
143 1.1 blymn int ocury, ocurx, n, i;
144 1.1 blymn
145 1.1 blymn n = min(count, win->maxy - win->cury);
146 1.1 blymn ocury = win->cury;
147 1.1 blymn ocurx = win->curx;
148 1.1 blymn
149 1.2 jdc if (!(ch & __CHARTEXT))
150 1.2 jdc ch |= ACS_VLINE;
151 1.1 blymn for (i = 0; i < n; i++)
152 1.1 blymn mvwaddch(win, ocury + i, ocurx, ch);
153 1.1 blymn
154 1.1 blymn wmove(win, ocury, ocurx);
155 1.1 blymn return OK;
156 1.1 blymn }
157 1.5 blymn
158 1.5 blymn int hline_set(const cchar_t *wch, int n)
159 1.5 blymn {
160 1.5 blymn #ifndef HAVE_WCHAR
161 1.5 blymn return ERR;
162 1.5 blymn #else
163 1.5 blymn return whline_set( stdscr, wch, n );
164 1.5 blymn #endif /* HAVE_WCHAR */
165 1.5 blymn }
166 1.5 blymn
167 1.5 blymn int mvhline_set(int y, int x, const cchar_t *wch, int n)
168 1.5 blymn {
169 1.5 blymn #ifndef HAVE_WCHAR
170 1.5 blymn return ERR;
171 1.5 blymn #else
172 1.5 blymn return mvwhline_set( stdscr, y, x, wch, n );
173 1.5 blymn #endif /* HAVE_WCHAR */
174 1.5 blymn }
175 1.5 blymn
176 1.5 blymn int mvwhline_set(WINDOW *win, int y, int x, const cchar_t *wch, int n)
177 1.5 blymn {
178 1.5 blymn #ifndef HAVE_WCHAR
179 1.5 blymn return ERR;
180 1.5 blymn #else
181 1.5 blymn if ( wmove( win, y , x ) == ERR )
182 1.5 blymn return ERR;
183 1.5 blymn
184 1.5 blymn return whline_set( win, wch, n );
185 1.5 blymn #endif /* HAVE_WCHAR */
186 1.5 blymn }
187 1.5 blymn
188 1.5 blymn int whline_set(WINDOW *win, const cchar_t *wch, int n)
189 1.5 blymn {
190 1.5 blymn #ifndef HAVE_WCHAR
191 1.5 blymn return ERR;
192 1.5 blymn #else
193 1.5 blymn int ocurx, wcn, i, cw;
194 1.5 blymn cchar_t cc;
195 1.5 blymn
196 1.5 blymn cw = wcwidth( wch->vals[ 0 ]);
197 1.5 blymn if ( ( win->maxx - win->curx ) < cw )
198 1.5 blymn return ERR;
199 1.5 blymn wcn = min( n, ( win->maxx - win->curx ) / cw );
200 1.5 blymn #ifdef DEBUG
201 1.5 blymn __CTRACE(__CTRACE_LINE, "whline_set: line of %d\n", wcn);
202 1.5 blymn #endif /* DEBUG */
203 1.5 blymn ocurx = win->curx;
204 1.5 blymn
205 1.5 blymn memcpy( &cc, wch, sizeof( cchar_t ));
206 1.5 blymn if (!(wch->vals[ 0 ]))
207 1.5 blymn cc.vals[ 0 ] |= WACS_HLINE;
208 1.5 blymn for (i = 0; i < wcn; i++ ) {
209 1.5 blymn #ifdef DEBUG
210 1.5 blymn __CTRACE(__CTRACE_LINE, "whline_set: (%d,%d)\n",
211 1.5 blymn win->cury, ocurx + i * cw);
212 1.5 blymn #endif /* DEBUG */
213 1.5 blymn mvwadd_wch(win, win->cury, ocurx + i * cw, &cc);
214 1.5 blymn }
215 1.5 blymn
216 1.5 blymn wmove(win, win->cury, ocurx);
217 1.5 blymn return OK;
218 1.5 blymn #endif /* HAVE_WCHAR */
219 1.5 blymn }
220 1.5 blymn
221 1.5 blymn int vline_set(const cchar_t *wch, int n)
222 1.5 blymn {
223 1.5 blymn #ifndef HAVE_WCHAR
224 1.5 blymn return ERR;
225 1.5 blymn #else
226 1.5 blymn return wvline_set( stdscr, wch, n );
227 1.5 blymn #endif /* HAVE_WCHAR */
228 1.5 blymn }
229 1.5 blymn
230 1.5 blymn int mvvline_set(int y, int x, const cchar_t *wch, int n)
231 1.5 blymn {
232 1.5 blymn #ifndef HAVE_WCHAR
233 1.5 blymn return ERR;
234 1.5 blymn #else
235 1.5 blymn return mvwvline_set( stdscr, y, x, wch, n );
236 1.5 blymn #endif /* HAVE_WCHAR */
237 1.5 blymn }
238 1.5 blymn
239 1.5 blymn int mvwvline_set(WINDOW *win, int y, int x, const cchar_t *wch, int n)
240 1.5 blymn {
241 1.5 blymn #ifndef HAVE_WCHAR
242 1.5 blymn return ERR;
243 1.5 blymn #else
244 1.5 blymn if ( wmove( win, y, x ) == ERR )
245 1.5 blymn return ERR;
246 1.5 blymn
247 1.5 blymn return wvline_set( win, wch, n );
248 1.5 blymn #endif /* HAVE_WCHAR */
249 1.5 blymn }
250 1.5 blymn
251 1.5 blymn int wvline_set(WINDOW *win, const cchar_t *wch, int n)
252 1.5 blymn {
253 1.5 blymn #ifndef HAVE_WCHAR
254 1.5 blymn return ERR;
255 1.5 blymn #else
256 1.5 blymn int ocury, ocurx, wcn, i;
257 1.5 blymn cchar_t cc;
258 1.5 blymn
259 1.5 blymn wcn = min( n, win->maxy - win->cury);
260 1.5 blymn #ifdef DEBUG
261 1.5 blymn __CTRACE(__CTRACE_LINE, "wvline_set: line of %d\n", wcn);
262 1.5 blymn #endif /* DEBUG */
263 1.5 blymn ocury = win->cury;
264 1.5 blymn ocurx = win->curx;
265 1.5 blymn
266 1.5 blymn memcpy( &cc, wch, sizeof( cchar_t ));
267 1.5 blymn if (!(wch->vals[ 0 ]))
268 1.5 blymn cc.vals[ 0 ] |= WACS_VLINE;
269 1.5 blymn for (i = 0; i < wcn; i++) {
270 1.5 blymn mvwadd_wch(win, ocury + i, ocurx, &cc);
271 1.5 blymn #ifdef DEBUG
272 1.5 blymn __CTRACE(__CTRACE_LINE, "wvline_set: (%d,%d)\n",
273 1.5 blymn ocury + i, ocurx);
274 1.5 blymn #endif /* DEBUG */
275 1.5 blymn }
276 1.5 blymn wmove(win, ocury, ocurx);
277 1.5 blymn return OK;
278 1.5 blymn #endif /* HAVE_WCHAR */
279 1.5 blymn }
280