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1.1 root 1: #ifndef lint
2: static char *rcsid_util_c = "$Header: util.c,v 10.4 86/11/29 13:49:21 jg Rel $";
3: #endif lint
4: #ifdef sun
5: /*
6: * The Sun X drivers are a product of Sun Microsystems, Inc. and are provided
7: * for unrestricted use provided that this legend is included on all tape
8: * media and as a part of the software program in whole or part. Users
9: * may copy or modify these drivers without charge, but are not authorized
10: * to license or distribute them to anyone else except as part of a product or
11: * program developed by the user.
12: *
13: * THE SUN X DRIVERS ARE PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND
14: * INCLUDING THE WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A
15: * PARTICULAR PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE
16: * PRACTICE.
17: *
18: * The Sun X Drivers are provided with no support and without any obligation
19: * on the part of Sun Microsystems, Inc. to assist in their use, correction,
20: * modification or enhancement.
21: *
22: * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
23: * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY THE SUN X
24: * DRIVERS OR ANY PART THEREOF.
25: *
26: * In no event will Sun Microsystems, Inc. be liable for any lost revenue
27: * or profits or other special, indirect and consequential damages, even if
28: * Sun has been advised of the possibility of such damages.
29: *
30: * Sun Microsystems, Inc.
31: * 2550 Garcia Avenue
32: * Mountain View, California 94043
33: */
34:
35: #ifndef lint
36: static char sccsid[] = "@(#)util.c 2.1 86/01/28 Copyright 1986 Sun Micro";
37: #endif
38:
39: /*-
40: * Copyright (c) 1986 by Sun Microsystems, Inc.
41: */
42:
43: /* util.c Various utilities
44: *
45: * SoundBell Generate audible bell
46: * SetKeyClick Control key click
47: * SetAutoRepeat Control auto repeat
48: * SetLockLED Control Lock LED
49: * SetVideo Disable/enable video
50: * QueryShape Determine shapes
51: * ResolveColors does nothing
52: * StoreColors does nothing
53: */
54:
55: /*
56: * ToDo:
57: * SetKeyClick
58: */
59:
60: #include "Xsun.h"
61: #include <sys/time.h>
62:
63: extern int vsdev;
64:
65: /*
66: * Ring the bell on a sun 120, volume between 0 (quiet) and 7 (loud).
67: * Need to make the /dev/bell device with
68: * the same major device number as tty[ab] but with a new minor number.
69: *
70: * # /etc/mknod /dev/bell c 12 2
71: *
72: * crw-rw-rw- 1 root 12, 0 Jan 6 18:18 /dev/ttya
73: * crw-rw-rw- 1 root 12, 1 Feb 26 1985 /dev/ttyb
74: * crw-rw-rw- 1 root 12, 2 Jan 14 08:45 /dev/bell
75: *
76: */
77:
78:
79: #define RING_ON 0x02 /* Control-B */
80: #define RING_OFF 0x03 /* Control-C */
81: #define RING_WAIT 25000 /* microseconds, for volume 1 */
82: #ifndef NULL
83: #define NULL 0
84: #endif
85:
86: SoundBell (volume)
87: int volume;
88: {
89: static int bell = -1;
90: int status;
91: char outbuf[1];
92: struct timeval ring_time;
93:
94: if (volume == 0) {
95: return(0);
96: }
97: if (bell < 0) {
98: bell = open("/dev/bell",2);
99: if (bell < 0) {
100: return(1);
101: }
102: }
103: ring_time.tv_sec = 0;
104: ring_time.tv_usec = RING_WAIT * volume;
105: outbuf[0] = RING_ON;
106: status = write(bell,outbuf,1);
107: if (status < 0) {
108: return(1);
109: }
110:
111: select(0, NULL, NULL, NULL, &ring_time);
112:
113: outbuf[0] = RING_OFF;
114: status = write(bell,outbuf,1);
115: if (status < 0) {
116: return(1);
117: }
118: return (0);
119: }
120:
121: /* Set key click, volume between -1 (default), 0 (off) and 8 (loud) */
122:
123: SetKeyClick (volume)
124: int volume;
125: {
126: return (0);
127: }
128:
129: /* Set autorepeat */
130:
131: SetAutoRepeat (onoff)
132: int onoff;
133: {
134: return (0);
135: }
136:
137: int SetVideo(onoff)
138: int onoff;
139: {
140: extern struct pixrect *PixRect;
141: static int have_saved;
142: static struct pixrect *saved;
143:
144: if (have_saved && onoff) {
145: pr_rop (PixRect, 0, 0, PixRect->pr_width, PixRect->pr_height,
146: PIX_SRC | PIX_DONTCLIP, saved, 0, 0);
147: have_saved = 0;
148: }
149: else if (!have_saved && !onoff) {
150: if (saved == NULL)
151: saved = mem_create(PixRect->pr_width,
152: PixRect->pr_height, PixRect->pr_depth);
153: if (saved) {
154: pr_rop (saved, 0, 0, PixRect->pr_width, PixRect->pr_height,
155: PIX_SRC | PIX_DONTCLIP, PixRect, 0, 0);
156: pr_rop (PixRect, 0, 0, PixRect->pr_width,
157: PixRect->pr_height, PIX_SRC | PIX_DONTCLIP, NULL, 0, 0);
158: have_saved = 1;
159: }
160: }
161: return(0);
162: }
163:
164: QueryShape (shape, width, height)
165: int shape;
166: short *width, *height;
167: {
168: /* Cursors & tiles unrestricted */
169: }
170:
171: SetLockLED (onoff)
172: int onoff;
173: {
174: return (0);
175: }
176:
177: ResolveColor (red, green, blue)
178: unsigned short *red, *green, *blue;
179: {
180: *red &= ~0377;
181: *green &= ~0377;
182: *blue &= ~0377;
183: }
184:
185: StoreColors (count, entries)
186: int count;
187: ColorDef *entries;
188:
189: {
190: /* XXX - should keep interal shadow of color map and rewrite whole */
191: extern struct pixrect *PixRect;
192: while (count--) {
193: u_char r, g, b;
194:
195: r = (u_char) (entries->red>>8);
196: g = (u_char) (entries->green>>8);
197: b = (u_char) (entries->blue>>8);
198: pr_putcolormap(PixRect, entries->pixel, 1, &r, &g, &b);
199: entries++;
200: }
201: }
202:
203: extern u_char InvPix[];
204:
205: InvertPixelOrder(p, n)
206: register unsigned short *p;
207: register int n;
208: {
209: for (; n--; p++) {
210: register unsigned short l = (*p & 0xff), h = (*p >> 8)&0xff;
211: unsigned short old = *p;
212:
213: *p = (unsigned short) ((InvPix[l] << 8) | InvPix[h]);
214: }
215: }
216: #endif sun
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