Annotation of src/lib/libcurses/touchwin.c, Revision 1.7
1.7 ! mikel 1: /* $NetBSD$ */
! 2:
1.1 cgd 3: /*
1.6 cgd 4: * Copyright (c) 1981, 1993, 1994
1.4 cgd 5: * The Regents of the University of California. All rights reserved.
1.1 cgd 6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. All advertising materials mentioning features or use of this software
16: * must display the following acknowledgement:
17: * This product includes software developed by the University of
18: * California, Berkeley and its contributors.
19: * 4. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: */
35:
1.7 ! mikel 36: #include <sys/cdefs.h>
1.1 cgd 37: #ifndef lint
1.7 ! mikel 38: #if 0
1.6 cgd 39: static char sccsid[] = "@(#)touchwin.c 8.2 (Berkeley) 5/4/94";
1.7 ! mikel 40: #else
! 41: __RCSID("$NetBSD$");
! 42: #endif
1.1 cgd 43: #endif /* not lint */
44:
1.6 cgd 45: #include "curses.h"
1.4 cgd 46:
47: /*
48: * touchline --
49: * Touch a given line.
50: */
51: int
52: touchline(win, y, sx, ex)
53: WINDOW *win;
54: register int y, sx, ex;
55: {
56: return (__touchline(win, y, sx, ex, 1));
57: }
58:
59:
1.1 cgd 60: /*
1.3 mycroft 61: * touchwin --
62: * Make it look like the whole window has been changed.
1.1 cgd 63: */
1.3 mycroft 64: int
1.1 cgd 65: touchwin(win)
1.3 mycroft 66: register WINDOW *win;
1.1 cgd 67: {
1.3 mycroft 68: register int y, maxy;
1.1 cgd 69:
1.3 mycroft 70: #ifdef DEBUG
1.4 cgd 71: __CTRACE("touchwin: (%0.2o)\n", win);
72: #endif
73: maxy = win->maxy;
74: for (y = 0; y < maxy; y++)
75: __touchline(win, y, 0, win->maxx - 1, 1);
76: return (OK);
77: }
78:
79:
80: int
81: __touchwin(win)
82: register WINDOW *win;
83: {
84: register int y, maxy;
85:
86: #ifdef DEBUG
87: __CTRACE("touchwin: (%0.2o)\n", win);
1.3 mycroft 88: #endif
1.4 cgd 89: maxy = win->maxy;
1.1 cgd 90: for (y = 0; y < maxy; y++)
1.4 cgd 91: __touchline(win, y, 0, win->maxx - 1, 0);
1.3 mycroft 92: return (OK);
1.1 cgd 93: }
94:
1.3 mycroft 95: int
1.4 cgd 96: __touchline(win, y, sx, ex, force)
1.3 mycroft 97: register WINDOW *win;
98: register int y, sx, ex;
1.4 cgd 99: int force;
1.1 cgd 100: {
1.3 mycroft 101: #ifdef DEBUG
1.4 cgd 102: __CTRACE("touchline: (%0.2o, %d, %d, %d, %d)\n", win, y, sx, ex, force);
103: __CTRACE("touchline: first = %d, last = %d\n",
104: *win->lines[y]->firstchp, *win->lines[y]->lastchp);
1.3 mycroft 105: #endif
1.4 cgd 106: if (force)
107: win->lines[y]->flags |= __FORCEPAINT;
108: sx += win->ch_off;
109: ex += win->ch_off;
110: if (!(win->lines[y]->flags & __ISDIRTY)) {
111: win->lines[y]->flags |= __ISDIRTY;
112: *win->lines[y]->firstchp = sx;
113: *win->lines[y]->lastchp = ex;
1.3 mycroft 114: } else {
1.4 cgd 115: if (*win->lines[y]->firstchp > sx)
116: *win->lines[y]->firstchp = sx;
117: if (*win->lines[y]->lastchp < ex)
118: *win->lines[y]->lastchp = ex;
1.1 cgd 119: }
1.3 mycroft 120: #ifdef DEBUG
1.4 cgd 121: __CTRACE("touchline: first = %d, last = %d\n",
122: *win->lines[y]->firstchp, *win->lines[y]->lastchp);
1.3 mycroft 123: #endif
124: return (OK);
1.1 cgd 125: }
1.4 cgd 126:
127:
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