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  <math.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("DISPLAY_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;
        tocombuf("new\n", &sun_driver);
}


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:	2.5
Committed:	Wed Oct 26 10:04:20 1994 UTC (30 years, 6 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.4:	+1 -1 lines
Log Message:	changed getcombuf() to tocombuf() for multiple commands
#	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	greg	2.3	#include <math.h>
15	greg	1.1	#include <fcntl.h>
16			#include <suntool/sunview.h>
17			#include <suntool/canvas.h>
18			#include <suntool/tty.h>
19
20			#include "color.h"
21
22			#include "driver.h"
23
24			short icon_image[] = {
25			#include "suntools.icon"
26			};
27			DEFINE_ICON_FROM_IMAGE(sun_icon, icon_image);
28
29			#ifndef TTYPROG
30			#define TTYPROG "sun.com" /* tty program */
31			#endif
32
33	greg	1.4	#define GAMMA 2.2 /* exponent for color correction */
34	greg	1.1
35			#define COMLH 3 /* number of command lines */
36
37			#define FIRSTCOLOR 2 /* first usable entry */
38	greg	1.5	#define NCOLORS 251 /* number of usable colors */
39	greg	1.1
40	greg	1.14	#define CWIDTH 1100 /* starting canvas width */
41			#define CHEIGHT 800 /* starting canvas height */
42
43	greg	1.17	static int sun_close(), sun_clear(), sun_paintr(), sun_getcur(),
44	greg	1.1	sun_comout(), sun_comin();
45
46	greg	1.8	static struct driver sun_driver = {
47			sun_close, sun_clear, sun_paintr,
48			sun_getcur, sun_comout, sun_comin,
49	greg	1.14	NULL, 1.0, CWIDTH, CHEIGHT
50	greg	1.1	};
51
52	greg	1.8	static FILE *ttyin;
53	greg	1.1
54	greg	1.8	static Frame frame = 0;
55			static Tty tty = 0;
56			static Canvas canvas = 0;
57	greg	1.1
58	greg	1.8	static int xres = 0, yres = 0;
59	greg	1.1
60	greg	1.8	extern char *progname;
61	greg	1.1
62
63	greg	1.8	struct driver *
64	greg	1.12	sun_init(name, id) /* initialize SunView */
65	greg	1.8	char name, id;
66	greg	1.1	{
67	greg	1.15	extern Notify_value newinput(), my_destroy_func();
68	greg	1.14	extern int canvas_resize();
69	greg	2.2	extern char *getenv();
70			char *gv;
71	greg	1.12	char *ttyargv[3], arg1[16];
72	greg	1.1	int pd[2];
73			int com;
74
75			frame = window_create(0, FRAME,
76	greg	1.8	FRAME_LABEL, id==NULL ? name : id,
77	greg	1.1	FRAME_ICON, &sun_icon,
78			WIN_X, 0, WIN_Y, 0,
79			0);
80	greg	1.8	if (frame == 0) {
81			stderr_v("cannot create frame\n");
82			return(NULL);
83			}
84			if (pipe(pd) == -1) {
85			stderr_v("cannot create pipe\n");
86			return(NULL);
87			}
88	greg	1.12	sprintf(arg1, "%d", pd[1]);
89	greg	1.1	ttyargv[0] = TTYPROG;
90			ttyargv[1] = arg1;
91	greg	1.12	ttyargv[2] = NULL;
92	greg	1.1	#ifdef BSD
93			fcntl(pd[0], F_SETFD, 1);
94			#endif
95			tty = window_create(frame, TTY,
96			TTY_ARGV, ttyargv,
97			WIN_ROWS, COMLH,
98	greg	1.8	TTY_QUIT_ON_CHILD_DEATH, TRUE,
99	greg	1.1	0);
100	greg	1.8	if (tty == 0) {
101			stderr_v("cannot create tty subwindow\n");
102			return(NULL);
103			}
104	greg	1.1	close(pd[1]);
105	greg	1.8	if ((ttyin = fdopen(pd[0], "r")) == NULL) {
106			stderr_v("cannot open tty\n");
107			return(NULL);
108			}
109	greg	1.12	notify_set_input_func(sun_init, newinput, pd[0]);
110	greg	1.1	canvas = window_create(frame, CANVAS,
111			CANVAS_RETAINED, FALSE,
112	greg	1.14	CANVAS_RESIZE_PROC, canvas_resize,
113	greg	1.1	WIN_INPUT_DESIGNEE, window_get(tty,WIN_DEVICE_NUMBER),
114			WIN_CONSUME_PICK_EVENTS, WIN_NO_EVENTS,
115			MS_LEFT, MS_MIDDLE, MS_RIGHT, 0,
116			0);
117	greg	1.8	if (canvas == 0) {
118			stderr_v("cannot create canvas\n");
119			return(NULL);
120			}
121			if (getmap() < 0) {
122			stderr_v("not a color screen\n");
123			return(NULL);
124			}
125	greg	2.4	if ((gv = getenv("DISPLAY_GAMMA")) != NULL)
126	greg	2.2	make_gmap(atof(gv));
127			else
128			make_gmap(GAMMA);
129	greg	1.1	window_set(canvas, CANVAS_RETAINED, TRUE, 0);
130
131	greg	1.15	notify_interpose_destroy_func(frame, my_destroy_func);
132	greg	1.8	sun_driver.inpready = 0;
133			return(&sun_driver);
134	greg	1.1	}
135
136
137	greg	1.12	static
138	greg	1.8	sun_close() /* all done */
139	greg	1.1	{
140	greg	1.16	Frame fr;
141
142			fr = frame;
143			frame = 0; /* death cry */
144			if (fr != 0) {
145			window_set(fr, FRAME_NO_CONFIRM, TRUE, 0);
146			window_destroy(fr);
147	greg	1.1	}
148			}
149
150
151	greg	1.12	static Notify_value
152	greg	1.16	my_destroy_func(fr, st) /* say bye-bye */
153			Frame fr;
154			Destroy_status st;
155			{
156			if (st != DESTROY_CHECKING && frame != 0)
157			quit(1); /* how rude! */
158			return(notify_next_destroy_func(fr, st));
159			}
160
161
162			static Notify_value
163	greg	1.12	newinput(cid, fd) /* register new input */
164			int (*cid)();
165			int fd;
166			{
167			notify_set_input_func(sun_init, NOTIFY_FUNC_NULL, fd);
168			getc(ttyin);
169			sun_driver.inpready++;
170			return(NOTIFY_DONE);
171	greg	1.15	}
172
173
174	greg	1.12	static
175	greg	1.14	canvas_resize(canvas, width, height) /* canvas being resized */
176			Canvas canvas;
177			int width, height;
178			{
179	greg	1.15	if (width == xres && height == yres)
180	greg	1.14	return;
181	greg	1.15	sun_driver.xsiz = width;
182			sun_driver.ysiz = height;
183	greg	2.5	tocombuf("new\n", &sun_driver);
184	greg	1.14	}
185
186
187			static
188	greg	1.8	sun_clear(nwidth, nheight) /* clear our canvas */
189			int nwidth, nheight;
190	greg	1.1	{
191			register Pixwin *pw;
192
193			pw = canvas_pixwin(canvas);
194			if (nwidth != xres \|\| nheight != yres) {
195	greg	1.15	xres = nwidth;
196			yres = nheight;
197			window_set(frame, WIN_SHOW, FALSE, 0);
198	greg	1.1	window_set(canvas, WIN_WIDTH, nwidth, WIN_HEIGHT, nheight, 0);
199			window_fit(frame);
200			window_set(frame, WIN_SHOW, TRUE, 0);
201			notify_do_dispatch();
202			}
203			pw_writebackground(pw, 0, 0, xres, xres, PIX_SRC);
204	greg	1.6	new_ctab(NCOLORS);
205	greg	1.1	}
206
207
208	greg	1.12	static
209	greg	1.8	sun_paintr(col, xmin, ymin, xmax, ymax) /* fill a rectangle */
210			COLOR col;
211			int xmin, ymin, xmax, ymax;
212	greg	1.1	{
213	greg	1.6	extern int newcolr();
214	greg	1.1	int pval;
215			register Pixwin *pw;
216
217	greg	1.6	pval = get_pixel(col, newcolr) + FIRSTCOLOR;
218	greg	1.1	pw = canvas_pixwin(canvas);
219			pw_rop(pw, xmin, yres-ymax, xmax-xmin, ymax-ymin,
220			PIX_SRC\|PIX_COLOR(pval), NULL, 0, 0);
221			}
222
223
224	greg	1.12	static
225	greg	1.10	sun_comin(buf, prompt) /* input a string from the command line */
226			char buf, prompt;
227	greg	1.1	{
228	greg	1.14	extern Notify_value newinput();
229			/* check command buffer */
230	greg	1.10	if (prompt != NULL)
231	greg	1.14	if (fromcombuf(buf, &sun_driver))
232			return;
233			else
234			sun_comout(prompt);
235	greg	1.13	/* await signal */
236			if (sun_driver.inpready <= 0)
237			newinput(sun_init, fileno(ttyin));
238	greg	1.1	/* echo characters */
239			do {
240			mygets(buf, ttyin);
241	greg	1.8	sun_comout(buf);
242	greg	1.1	} while (buf[0]);
243			/* get result */
244			mygets(buf, ttyin);
245	greg	1.12
246			if (sun_driver.inpready > 0)
247			sun_driver.inpready--;
248	greg	1.13	/* reinstall handler */
249	greg	1.12	notify_set_input_func(sun_init, newinput, fileno(ttyin));
250	greg	1.1	}
251
252
253	greg	1.12	static int
254	greg	1.8	sun_getcur(xpp, ypp) /* get cursor position */
255			int xpp, ypp;
256	greg	1.1	{
257	greg	1.3	Event ev;
258	greg	1.1	int c;
259
260			notify_no_dispatch(); /* allow read to block */
261			window_set(canvas, WIN_CONSUME_KBD_EVENT, WIN_ASCII_EVENTS, 0);
262	greg	1.3	again:
263			if (window_read_event(canvas, &ev) == -1) {
264			notify_perror();
265	greg	1.8	stderr_v("window event read error\n");
266			quit(1);
267	greg	1.3	}
268			c = event_id(&ev);
269			switch (c) {
270			case MS_LEFT:
271			c = MB1;
272	greg	1.1	break;
273	greg	1.3	case MS_MIDDLE:
274			c = MB2;
275			break;
276			case MS_RIGHT:
277			c = MB3;
278			break;
279			default:
280			if (c < ASCII_FIRST \|\| c > ASCII_LAST)
281			goto again;
282			break;
283	greg	1.1	}
284	greg	1.8	*xpp = event_x(&ev);
285			*ypp = yres-1 - event_y(&ev);
286	greg	1.3
287	greg	1.1	window_set(canvas, WIN_IGNORE_KBD_EVENT, WIN_ASCII_EVENTS, 0);
288			notify_do_dispatch();
289	greg	1.8	return(c);
290	greg	1.1	}
291
292
293	greg	1.12	static
294	greg	1.8	sun_comout(s) /* put string out to tty subwindow */
295	greg	1.1	register char *s;
296			{
297			char buf[256];
298			register char *cp;
299
300			for (cp = buf; *s; s++) {
301			if (*s == '\n')
302			*cp++ = '\r';
303			cp++ = s;
304			}
305	greg	1.8	/* must be a single call */
306	greg	1.1	ttysw_output(tty, buf, cp-buf);
307			}
308
309
310	greg	1.12	static
311	greg	1.4	getmap() /* allocate color map segments */
312	greg	1.1	{
313	greg	1.4	char cmsname[20];
314	greg	1.5	unsigned char red[256], green[256], blue[256];
315	greg	1.1	register Pixwin *pw;
316	greg	1.5	register int i;
317
318			for (i = 0; i < 256; i++)
319			red[i] = green[i] = blue[i] = 128;
320			red[0] = green[0] = blue[0] = 255;
321			red[1] = green[1] = blue[1] = 0;
322			red[255] = green[255] = blue[255] = 0;
323			red[254] = green[254] = blue[254] = 255;
324			red[253] = green[253] = blue[253] = 0;
325	greg	1.4	/* name shared segment */
326			sprintf(cmsname, "rv%d", getpid());
327			/* set canvas */
328	greg	1.1	pw = canvas_pixwin(canvas);
329	greg	1.4	if (pw->pw_pixrect->pr_depth < 8)
330			return(-1);
331			pw_setcmsname(pw, cmsname);
332	greg	1.5	pw_putcolormap(pw, 0, 256, red, green, blue);
333	greg	1.4	/* set tty subwindow */
334	greg	1.1	pw = (Pixwin *)window_get(tty, WIN_PIXWIN);
335	greg	1.4	pw_setcmsname(pw, cmsname);
336	greg	1.5	pw_putcolormap(pw, 0, 256, red, green, blue);
337	greg	1.4	/* set frame */
338			pw = (Pixwin *)window_get(frame, WIN_PIXWIN);
339			pw_setcmsname(pw, cmsname);
340	greg	1.5	pw_putcolormap(pw, 0, 256, red, green, blue);
341	greg	1.1
342	greg	1.4	return(0);
343	greg	1.1	}
344
345
346	greg	1.12	static
347	greg	1.5	newcolr(ndx, r, g, b) /* enter a color into hardware table */
348			int ndx;
349			unsigned char r, g, b;
350	greg	1.1	{
351			register Pixwin *pw;
352	greg	1.5
353	greg	1.1	pw = canvas_pixwin(canvas);
354	greg	1.5	pw_putcolormap(pw, ndx+FIRSTCOLOR, 1,
355			&r, &g, &b);
356	greg	1.1	pw = (Pixwin *)window_get(tty, WIN_PIXWIN);
357	greg	1.5	pw_putcolormap(pw, ndx+FIRSTCOLOR, 1,
358			&r, &g, &b);
359	greg	1.1	}