src/rt/sundev.c

/* Copyright (c) 1988 Regents of the University of California */

#ifndef lint
static char SCCSid[] = "$SunId$ LBL";
#endif

/*
 *  sundev.c - standalone driver for Sunwindows.
 *
 *     10/3/88
 */

#include  <stdio.h>
#include  <fcntl.h>
#include  <suntool/sunview.h>
#include  <suntool/canvas.h>
#include  <suntool/tty.h>

#include  "color.h"

#include  "driver.h"

short   icon_image[] = {
#include  "suntools.icon"
};
DEFINE_ICON_FROM_IMAGE(sun_icon, icon_image);

#ifndef TTYPROG
#define TTYPROG         "sun.com"       /* tty program */
#endif

#define GAMMA           2.2             /* exponent for color correction */

#define COMLH           3               /* number of command lines */

#define FIRSTCOLOR      2               /* first usable entry */
#define NCOLORS         251             /* number of usable colors */

#define CWIDTH          1100            /* starting canvas width */
#define CHEIGHT         800             /* starting canvas height */

static int  sun_close(), sun_clear(), sun_paintr(), sun_getcur(),
                sun_comout(), sun_comin();

static struct driver  sun_driver = {
        sun_close, sun_clear, sun_paintr,
        sun_getcur, sun_comout, sun_comin,
        NULL, 1.0, CWIDTH, CHEIGHT
};

static FILE  *ttyin;

static Frame  frame = 0;
static Tty  tty = 0;
static Canvas  canvas = 0;

static int  xres = 0, yres = 0;

extern char  *progname;


struct driver *
sun_init(name, id)              /* initialize SunView */
char  *name, *id;
{
        extern Notify_value     newinput(), my_destroy_func();
        extern int      canvas_resize();
        extern char     *getenv();
        char    *gv;
        char    *ttyargv[3], arg1[16];
        int     pd[2];
        int     com;

        frame = window_create(0, FRAME,
                        FRAME_LABEL, id==NULL ? name : id,
                        FRAME_ICON, &sun_icon,
                        WIN_X, 0, WIN_Y, 0,
                        0);
        if (frame == 0) {
                stderr_v("cannot create frame\n");
                return(NULL);
        }
        if (pipe(pd) == -1) {
                stderr_v("cannot create pipe\n");
                return(NULL);
        }
        sprintf(arg1, "%d", pd[1]);
        ttyargv[0] = TTYPROG;
        ttyargv[1] = arg1;
        ttyargv[2] = NULL;
#ifdef BSD
        fcntl(pd[0], F_SETFD, 1);
#endif
        tty = window_create(frame, TTY,
                        TTY_ARGV, ttyargv,
                        WIN_ROWS, COMLH,
                        TTY_QUIT_ON_CHILD_DEATH, TRUE,
                        0);
        if (tty == 0) {
                stderr_v("cannot create tty subwindow\n");
                return(NULL);
        }
        close(pd[1]);
        if ((ttyin = fdopen(pd[0], "r")) == NULL) {
                stderr_v("cannot open tty\n");
                return(NULL);
        }
        notify_set_input_func(sun_init, newinput, pd[0]);
        canvas = window_create(frame, CANVAS,
                        CANVAS_RETAINED, FALSE,
                        CANVAS_RESIZE_PROC, canvas_resize,
                        WIN_INPUT_DESIGNEE, window_get(tty,WIN_DEVICE_NUMBER),
                        WIN_CONSUME_PICK_EVENTS, WIN_NO_EVENTS,
                                MS_LEFT, MS_MIDDLE, MS_RIGHT, 0,
                        0);
        if (canvas == 0) {
                stderr_v("cannot create canvas\n");
                return(NULL);
        }
        if (getmap() < 0) {
                stderr_v("not a color screen\n");
                return(NULL);
        }
        if ((gv = getenv("GAMMA")) != NULL)
                make_gmap(atof(gv));
        else
                make_gmap(GAMMA);
        window_set(canvas, CANVAS_RETAINED, TRUE, 0);

        notify_interpose_destroy_func(frame, my_destroy_func);
        sun_driver.inpready = 0;
        return(&sun_driver);
}


static
sun_close()                             /* all done */
{
        Frame   fr;

        fr = frame;
        frame = 0;              /* death cry */
        if (fr != 0) {
                window_set(fr, FRAME_NO_CONFIRM, TRUE, 0);
                window_destroy(fr);
        }
}


static Notify_value
my_destroy_func(fr, st)                 /* say bye-bye */
Frame   fr;
Destroy_status  st;
{
        if (st != DESTROY_CHECKING && frame != 0)
                quit(1);                /* how rude! */
        return(notify_next_destroy_func(fr, st));
}


static Notify_value
newinput(cid, fd)                       /* register new input */
int  (*cid)();
int  fd;
{
        notify_set_input_func(sun_init, NOTIFY_FUNC_NULL, fd);
        getc(ttyin);
        sun_driver.inpready++;
        return(NOTIFY_DONE);
}


static
canvas_resize(canvas, width, height)    /* canvas being resized */
Canvas  canvas;
int     width, height;
{
        if (width == xres && height == yres)
                return;
        sun_driver.xsiz = width;
        sun_driver.ysiz = height;
        strcpy(getcombuf(&sun_driver), "new\n");
}


static
sun_clear(nwidth, nheight)              /* clear our canvas */
int  nwidth, nheight;
{
        register Pixwin  *pw;

        pw = canvas_pixwin(canvas);
        if (nwidth != xres || nheight != yres) {
                xres = nwidth;
                yres = nheight;
                window_set(frame, WIN_SHOW, FALSE, 0);
                window_set(canvas, WIN_WIDTH, nwidth, WIN_HEIGHT, nheight, 0);
                window_fit(frame);
                window_set(frame, WIN_SHOW, TRUE, 0);
                notify_do_dispatch();
        }
        pw_writebackground(pw, 0, 0, xres, xres, PIX_SRC);
        new_ctab(NCOLORS);
}


static
sun_paintr(col, xmin, ymin, xmax, ymax)         /* fill a rectangle */
COLOR  col;
int  xmin, ymin, xmax, ymax;
{
        extern int  newcolr();
        int  pval;
        register Pixwin  *pw;

        pval = get_pixel(col, newcolr) + FIRSTCOLOR;
        pw = canvas_pixwin(canvas);
        pw_rop(pw, xmin, yres-ymax, xmax-xmin, ymax-ymin,
                        PIX_SRC|PIX_COLOR(pval), NULL, 0, 0);
}


static
sun_comin(buf, prompt)          /* input a string from the command line */
char  *buf, *prompt;
{
        extern Notify_value  newinput();
                                                /* check command buffer */
        if (prompt != NULL)
                if (fromcombuf(buf, &sun_driver))
                        return;
                else
                        sun_comout(prompt);
                                                /* await signal */
        if (sun_driver.inpready <= 0)
                newinput(sun_init, fileno(ttyin));
                                                /* echo characters */
        do {
                mygets(buf, ttyin);
                sun_comout(buf);
        } while (buf[0]);
                                                /* get result */
        mygets(buf, ttyin);

        if (sun_driver.inpready > 0)
                sun_driver.inpready--;
                                                /* reinstall handler */
        notify_set_input_func(sun_init, newinput, fileno(ttyin));
}


static int
sun_getcur(xpp, ypp)                    /* get cursor position */
int  *xpp, *ypp;
{
        Event   ev;
        int     c;

        notify_no_dispatch();                   /* allow read to block */
        window_set(canvas, WIN_CONSUME_KBD_EVENT, WIN_ASCII_EVENTS, 0);
again:
        if (window_read_event(canvas, &ev) == -1) {
                notify_perror();
                stderr_v("window event read error\n");
                quit(1);
        }
        c = event_id(&ev);
        switch (c) {
        case MS_LEFT:
                c = MB1;
                break;
        case MS_MIDDLE:
                c = MB2;
                break;
        case MS_RIGHT:
                c = MB3;
                break;
        default:
                if (c < ASCII_FIRST || c > ASCII_LAST)
                        goto again;
                break;
        }
        *xpp = event_x(&ev);
        *ypp = yres-1 - event_y(&ev);

        window_set(canvas, WIN_IGNORE_KBD_EVENT, WIN_ASCII_EVENTS, 0);
        notify_do_dispatch();
        return(c);
}


static
sun_comout(s)                   /* put string out to tty subwindow */
register char   *s;
{
        char    buf[256];
        register char   *cp;

        for (cp = buf; *s; s++) {
                if (*s == '\n')
                        *cp++ = '\r';
                *cp++ = *s;
        }
                                        /* must be a single call */
        ttysw_output(tty, buf, cp-buf);
}


static
getmap()                                /* allocate color map segments */
{
        char  cmsname[20];
        unsigned char  red[256], green[256], blue[256];
        register Pixwin  *pw;
        register int  i;

        for (i = 0; i < 256; i++)
                red[i] = green[i] = blue[i] = 128;
        red[0] = green[0] = blue[0] = 255;
        red[1] = green[1] = blue[1] = 0;
        red[255] = green[255] = blue[255] = 0;
        red[254] = green[254] = blue[254] = 255;
        red[253] = green[253] = blue[253] = 0;
                                                /* name shared segment */
        sprintf(cmsname, "rv%d", getpid());
                                                /* set canvas */
        pw = canvas_pixwin(canvas);
        if (pw->pw_pixrect->pr_depth < 8)
                return(-1);
        pw_setcmsname(pw, cmsname);
        pw_putcolormap(pw, 0, 256, red, green, blue);
                                                /* set tty subwindow */
        pw = (Pixwin *)window_get(tty, WIN_PIXWIN);
        pw_setcmsname(pw, cmsname);
        pw_putcolormap(pw, 0, 256, red, green, blue);
                                                /* set frame */
        pw = (Pixwin *)window_get(frame, WIN_PIXWIN);
        pw_setcmsname(pw, cmsname);
        pw_putcolormap(pw, 0, 256, red, green, blue);

        return(0);
}


static
newcolr(ndx, r, g, b)           /* enter a color into hardware table */
int  ndx;
unsigned char  r, g, b;
{
        register Pixwin  *pw;
        
        pw = canvas_pixwin(canvas);
        pw_putcolormap(pw, ndx+FIRSTCOLOR, 1,
                        &r, &g, &b);
        pw = (Pixwin *)window_get(tty, WIN_PIXWIN);
        pw_putcolormap(pw, ndx+FIRSTCOLOR, 1,
                        &r, &g, &b);
}
Revision:	2.2
Committed:	Wed Jun 24 09:12:54 1992 UTC (32 years, 10 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.1:	+6 -1 lines
Log Message:	added code to get GAMMA from environment
#	User	Rev	Content
1	greg	1.1	/* Copyright (c) 1988 Regents of the University of California */
2
3			#ifndef lint
4			static char SCCSid[] = "$SunId$ LBL";
5			#endif
6
7			/*
8			* sundev.c - standalone driver for Sunwindows.
9			*
10			* 10/3/88
11			*/
12
13			#include <stdio.h>
14			#include <fcntl.h>
15			#include <suntool/sunview.h>
16			#include <suntool/canvas.h>
17			#include <suntool/tty.h>
18
19			#include "color.h"
20
21			#include "driver.h"
22
23			short icon_image[] = {
24			#include "suntools.icon"
25			};
26			DEFINE_ICON_FROM_IMAGE(sun_icon, icon_image);
27
28			#ifndef TTYPROG
29			#define TTYPROG "sun.com" /* tty program */
30			#endif
31
32	greg	1.4	#define GAMMA 2.2 /* exponent for color correction */
33	greg	1.1
34			#define COMLH 3 /* number of command lines */
35
36			#define FIRSTCOLOR 2 /* first usable entry */
37	greg	1.5	#define NCOLORS 251 /* number of usable colors */
38	greg	1.1
39	greg	1.14	#define CWIDTH 1100 /* starting canvas width */
40			#define CHEIGHT 800 /* starting canvas height */
41
42	greg	1.17	static int sun_close(), sun_clear(), sun_paintr(), sun_getcur(),
43	greg	1.1	sun_comout(), sun_comin();
44
45	greg	1.8	static struct driver sun_driver = {
46			sun_close, sun_clear, sun_paintr,
47			sun_getcur, sun_comout, sun_comin,
48	greg	1.14	NULL, 1.0, CWIDTH, CHEIGHT
49	greg	1.1	};
50
51	greg	1.8	static FILE *ttyin;
52	greg	1.1
53	greg	1.8	static Frame frame = 0;
54			static Tty tty = 0;
55			static Canvas canvas = 0;
56	greg	1.1
57	greg	1.8	static int xres = 0, yres = 0;
58	greg	1.1
59	greg	1.8	extern char *progname;
60	greg	1.1
61
62	greg	1.8	struct driver *
63	greg	1.12	sun_init(name, id) /* initialize SunView */
64	greg	1.8	char name, id;
65	greg	1.1	{
66	greg	1.15	extern Notify_value newinput(), my_destroy_func();
67	greg	1.14	extern int canvas_resize();
68	greg	2.2	extern char *getenv();
69			char *gv;
70	greg	1.12	char *ttyargv[3], arg1[16];
71	greg	1.1	int pd[2];
72			int com;
73
74			frame = window_create(0, FRAME,
75	greg	1.8	FRAME_LABEL, id==NULL ? name : id,
76	greg	1.1	FRAME_ICON, &sun_icon,
77			WIN_X, 0, WIN_Y, 0,
78			0);
79	greg	1.8	if (frame == 0) {
80			stderr_v("cannot create frame\n");
81			return(NULL);
82			}
83			if (pipe(pd) == -1) {
84			stderr_v("cannot create pipe\n");
85			return(NULL);
86			}
87	greg	1.12	sprintf(arg1, "%d", pd[1]);
88	greg	1.1	ttyargv[0] = TTYPROG;
89			ttyargv[1] = arg1;
90	greg	1.12	ttyargv[2] = NULL;
91	greg	1.1	#ifdef BSD
92			fcntl(pd[0], F_SETFD, 1);
93			#endif
94			tty = window_create(frame, TTY,
95			TTY_ARGV, ttyargv,
96			WIN_ROWS, COMLH,
97	greg	1.8	TTY_QUIT_ON_CHILD_DEATH, TRUE,
98	greg	1.1	0);
99	greg	1.8	if (tty == 0) {
100			stderr_v("cannot create tty subwindow\n");
101			return(NULL);
102			}
103	greg	1.1	close(pd[1]);
104	greg	1.8	if ((ttyin = fdopen(pd[0], "r")) == NULL) {
105			stderr_v("cannot open tty\n");
106			return(NULL);
107			}
108	greg	1.12	notify_set_input_func(sun_init, newinput, pd[0]);
109	greg	1.1	canvas = window_create(frame, CANVAS,
110			CANVAS_RETAINED, FALSE,
111	greg	1.14	CANVAS_RESIZE_PROC, canvas_resize,
112	greg	1.1	WIN_INPUT_DESIGNEE, window_get(tty,WIN_DEVICE_NUMBER),
113			WIN_CONSUME_PICK_EVENTS, WIN_NO_EVENTS,
114			MS_LEFT, MS_MIDDLE, MS_RIGHT, 0,
115			0);
116	greg	1.8	if (canvas == 0) {
117			stderr_v("cannot create canvas\n");
118			return(NULL);
119			}
120			if (getmap() < 0) {
121			stderr_v("not a color screen\n");
122			return(NULL);
123			}
124	greg	2.2	if ((gv = getenv("GAMMA")) != NULL)
125			make_gmap(atof(gv));
126			else
127			make_gmap(GAMMA);
128	greg	1.1	window_set(canvas, CANVAS_RETAINED, TRUE, 0);
129
130	greg	1.15	notify_interpose_destroy_func(frame, my_destroy_func);
131	greg	1.8	sun_driver.inpready = 0;
132			return(&sun_driver);
133	greg	1.1	}
134
135
136	greg	1.12	static
137	greg	1.8	sun_close() /* all done */
138	greg	1.1	{
139	greg	1.16	Frame fr;
140
141			fr = frame;
142			frame = 0; /* death cry */
143			if (fr != 0) {
144			window_set(fr, FRAME_NO_CONFIRM, TRUE, 0);
145			window_destroy(fr);
146	greg	1.1	}
147			}
148
149
150	greg	1.12	static Notify_value
151	greg	1.16	my_destroy_func(fr, st) /* say bye-bye */
152			Frame fr;
153			Destroy_status st;
154			{
155			if (st != DESTROY_CHECKING && frame != 0)
156			quit(1); /* how rude! */
157			return(notify_next_destroy_func(fr, st));
158			}
159
160
161			static Notify_value
162	greg	1.12	newinput(cid, fd) /* register new input */
163			int (*cid)();
164			int fd;
165			{
166			notify_set_input_func(sun_init, NOTIFY_FUNC_NULL, fd);
167			getc(ttyin);
168			sun_driver.inpready++;
169			return(NOTIFY_DONE);
170	greg	1.15	}
171
172
173	greg	1.12	static
174	greg	1.14	canvas_resize(canvas, width, height) /* canvas being resized */
175			Canvas canvas;
176			int width, height;
177			{
178	greg	1.15	if (width == xres && height == yres)
179	greg	1.14	return;
180	greg	1.15	sun_driver.xsiz = width;
181			sun_driver.ysiz = height;
182	greg	1.14	strcpy(getcombuf(&sun_driver), "new\n");
183			}
184
185
186			static
187	greg	1.8	sun_clear(nwidth, nheight) /* clear our canvas */
188			int nwidth, nheight;
189	greg	1.1	{
190			register Pixwin *pw;
191
192			pw = canvas_pixwin(canvas);
193			if (nwidth != xres \|\| nheight != yres) {
194	greg	1.15	xres = nwidth;
195			yres = nheight;
196			window_set(frame, WIN_SHOW, FALSE, 0);
197	greg	1.1	window_set(canvas, WIN_WIDTH, nwidth, WIN_HEIGHT, nheight, 0);
198			window_fit(frame);
199			window_set(frame, WIN_SHOW, TRUE, 0);
200			notify_do_dispatch();
201			}
202			pw_writebackground(pw, 0, 0, xres, xres, PIX_SRC);
203	greg	1.6	new_ctab(NCOLORS);
204	greg	1.1	}
205
206
207	greg	1.12	static
208	greg	1.8	sun_paintr(col, xmin, ymin, xmax, ymax) /* fill a rectangle */
209			COLOR col;
210			int xmin, ymin, xmax, ymax;
211	greg	1.1	{
212	greg	1.6	extern int newcolr();
213	greg	1.1	int pval;
214			register Pixwin *pw;
215
216	greg	1.6	pval = get_pixel(col, newcolr) + FIRSTCOLOR;
217	greg	1.1	pw = canvas_pixwin(canvas);
218			pw_rop(pw, xmin, yres-ymax, xmax-xmin, ymax-ymin,
219			PIX_SRC\|PIX_COLOR(pval), NULL, 0, 0);
220			}
221
222
223	greg	1.12	static
224	greg	1.10	sun_comin(buf, prompt) /* input a string from the command line */
225			char buf, prompt;
226	greg	1.1	{
227	greg	1.14	extern Notify_value newinput();
228			/* check command buffer */
229	greg	1.10	if (prompt != NULL)
230	greg	1.14	if (fromcombuf(buf, &sun_driver))
231			return;
232			else
233			sun_comout(prompt);
234	greg	1.13	/* await signal */
235			if (sun_driver.inpready <= 0)
236			newinput(sun_init, fileno(ttyin));
237	greg	1.1	/* echo characters */
238			do {
239			mygets(buf, ttyin);
240	greg	1.8	sun_comout(buf);
241	greg	1.1	} while (buf[0]);
242			/* get result */
243			mygets(buf, ttyin);
244	greg	1.12
245			if (sun_driver.inpready > 0)
246			sun_driver.inpready--;
247	greg	1.13	/* reinstall handler */
248	greg	1.12	notify_set_input_func(sun_init, newinput, fileno(ttyin));
249	greg	1.1	}
250
251
252	greg	1.12	static int
253	greg	1.8	sun_getcur(xpp, ypp) /* get cursor position */
254			int xpp, ypp;
255	greg	1.1	{
256	greg	1.3	Event ev;
257	greg	1.1	int c;
258
259			notify_no_dispatch(); /* allow read to block */
260			window_set(canvas, WIN_CONSUME_KBD_EVENT, WIN_ASCII_EVENTS, 0);
261	greg	1.3	again:
262			if (window_read_event(canvas, &ev) == -1) {
263			notify_perror();
264	greg	1.8	stderr_v("window event read error\n");
265			quit(1);
266	greg	1.3	}
267			c = event_id(&ev);
268			switch (c) {
269			case MS_LEFT:
270			c = MB1;
271	greg	1.1	break;
272	greg	1.3	case MS_MIDDLE:
273			c = MB2;
274			break;
275			case MS_RIGHT:
276			c = MB3;
277			break;
278			default:
279			if (c < ASCII_FIRST \|\| c > ASCII_LAST)
280			goto again;
281			break;
282	greg	1.1	}
283	greg	1.8	*xpp = event_x(&ev);
284			*ypp = yres-1 - event_y(&ev);
285	greg	1.3
286	greg	1.1	window_set(canvas, WIN_IGNORE_KBD_EVENT, WIN_ASCII_EVENTS, 0);
287			notify_do_dispatch();
288	greg	1.8	return(c);
289	greg	1.1	}
290
291
292	greg	1.12	static
293	greg	1.8	sun_comout(s) /* put string out to tty subwindow */
294	greg	1.1	register char *s;
295			{
296			char buf[256];
297			register char *cp;
298
299			for (cp = buf; *s; s++) {
300			if (*s == '\n')
301			*cp++ = '\r';
302			cp++ = s;
303			}
304	greg	1.8	/* must be a single call */
305	greg	1.1	ttysw_output(tty, buf, cp-buf);
306			}
307
308
309	greg	1.12	static
310	greg	1.4	getmap() /* allocate color map segments */
311	greg	1.1	{
312	greg	1.4	char cmsname[20];
313	greg	1.5	unsigned char red[256], green[256], blue[256];
314	greg	1.1	register Pixwin *pw;
315	greg	1.5	register int i;
316
317			for (i = 0; i < 256; i++)
318			red[i] = green[i] = blue[i] = 128;
319			red[0] = green[0] = blue[0] = 255;
320			red[1] = green[1] = blue[1] = 0;
321			red[255] = green[255] = blue[255] = 0;
322			red[254] = green[254] = blue[254] = 255;
323			red[253] = green[253] = blue[253] = 0;
324	greg	1.4	/* name shared segment */
325			sprintf(cmsname, "rv%d", getpid());
326			/* set canvas */
327	greg	1.1	pw = canvas_pixwin(canvas);
328	greg	1.4	if (pw->pw_pixrect->pr_depth < 8)
329			return(-1);
330			pw_setcmsname(pw, cmsname);
331	greg	1.5	pw_putcolormap(pw, 0, 256, red, green, blue);
332	greg	1.4	/* set tty subwindow */
333	greg	1.1	pw = (Pixwin *)window_get(tty, WIN_PIXWIN);
334	greg	1.4	pw_setcmsname(pw, cmsname);
335	greg	1.5	pw_putcolormap(pw, 0, 256, red, green, blue);
336	greg	1.4	/* set frame */
337			pw = (Pixwin *)window_get(frame, WIN_PIXWIN);
338			pw_setcmsname(pw, cmsname);
339	greg	1.5	pw_putcolormap(pw, 0, 256, red, green, blue);
340	greg	1.1
341	greg	1.4	return(0);
342	greg	1.1	}
343
344
345	greg	1.12	static
346	greg	1.5	newcolr(ndx, r, g, b) /* enter a color into hardware table */
347			int ndx;
348			unsigned char r, g, b;
349	greg	1.1	{
350			register Pixwin *pw;
351	greg	1.5
352	greg	1.1	pw = canvas_pixwin(canvas);
353	greg	1.5	pw_putcolormap(pw, ndx+FIRSTCOLOR, 1,
354			&r, &g, &b);
355	greg	1.1	pw = (Pixwin *)window_get(tty, WIN_PIXWIN);
356	greg	1.5	pw_putcolormap(pw, ndx+FIRSTCOLOR, 1,
357			&r, &g, &b);
358	greg	1.1	}