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