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 */

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();
        extern int      canvas_resize();
        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);
        }
        make_gmap(GAMMA);
        window_set(canvas, CANVAS_RETAINED, TRUE, 0);

        sun_driver.inpready = 0;
        return(&sun_driver);
}


static
sun_close()                             /* all done */
{
        if (frame != 0) {
                window_set(frame, FRAME_NO_CONFIRM, TRUE, 0);
                window_destroy(frame);
        }
        frame = 0;
}


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 == sun_driver.xsiz && height == sun_driver.ysiz)
                return;
        sun_driver.xsiz = xres = width;
        sun_driver.ysiz = yres = 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) {
                sun_driver.xsiz = xres = nwidth;
                sun_driver.ysiz = yres = nheight;
                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:	1.14
Committed:	Tue Mar 6 17:44:40 1990 UTC (35 years, 3 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 1.13:	+27 -11 lines
Log Message:	made sundev work with resizing
#	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	1.8	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	1.12	extern Notify_value newinput();
67	greg	1.14	extern int canvas_resize();
68	greg	1.12	char *ttyargv[3], arg1[16];
69	greg	1.1	int pd[2];
70			int com;
71
72			frame = window_create(0, FRAME,
73	greg	1.8	FRAME_LABEL, id==NULL ? name : id,
74	greg	1.1	FRAME_ICON, &sun_icon,
75			WIN_X, 0, WIN_Y, 0,
76			0);
77	greg	1.8	if (frame == 0) {
78			stderr_v("cannot create frame\n");
79			return(NULL);
80			}
81			if (pipe(pd) == -1) {
82			stderr_v("cannot create pipe\n");
83			return(NULL);
84			}
85	greg	1.12	sprintf(arg1, "%d", pd[1]);
86	greg	1.1	ttyargv[0] = TTYPROG;
87			ttyargv[1] = arg1;
88	greg	1.12	ttyargv[2] = NULL;
89	greg	1.1	#ifdef BSD
90			fcntl(pd[0], F_SETFD, 1);
91			#endif
92			tty = window_create(frame, TTY,
93			TTY_ARGV, ttyargv,
94			WIN_ROWS, COMLH,
95	greg	1.8	TTY_QUIT_ON_CHILD_DEATH, TRUE,
96	greg	1.1	0);
97	greg	1.8	if (tty == 0) {
98			stderr_v("cannot create tty subwindow\n");
99			return(NULL);
100			}
101	greg	1.1	close(pd[1]);
102	greg	1.8	if ((ttyin = fdopen(pd[0], "r")) == NULL) {
103			stderr_v("cannot open tty\n");
104			return(NULL);
105			}
106	greg	1.12	notify_set_input_func(sun_init, newinput, pd[0]);
107	greg	1.1	canvas = window_create(frame, CANVAS,
108			CANVAS_RETAINED, FALSE,
109	greg	1.14	CANVAS_RESIZE_PROC, canvas_resize,
110	greg	1.1	WIN_INPUT_DESIGNEE, window_get(tty,WIN_DEVICE_NUMBER),
111			WIN_CONSUME_PICK_EVENTS, WIN_NO_EVENTS,
112			MS_LEFT, MS_MIDDLE, MS_RIGHT, 0,
113			0);
114	greg	1.8	if (canvas == 0) {
115			stderr_v("cannot create canvas\n");
116			return(NULL);
117			}
118			if (getmap() < 0) {
119			stderr_v("not a color screen\n");
120			return(NULL);
121			}
122	greg	1.6	make_gmap(GAMMA);
123	greg	1.1	window_set(canvas, CANVAS_RETAINED, TRUE, 0);
124
125	greg	1.8	sun_driver.inpready = 0;
126			return(&sun_driver);
127	greg	1.1	}
128
129
130	greg	1.12	static
131	greg	1.8	sun_close() /* all done */
132	greg	1.1	{
133	greg	1.8	if (frame != 0) {
134			window_set(frame, FRAME_NO_CONFIRM, TRUE, 0);
135			window_destroy(frame);
136	greg	1.1	}
137	greg	1.8	frame = 0;
138	greg	1.1	}
139
140
141	greg	1.12	static Notify_value
142			newinput(cid, fd) /* register new input */
143			int (*cid)();
144			int fd;
145			{
146			notify_set_input_func(sun_init, NOTIFY_FUNC_NULL, fd);
147			getc(ttyin);
148			sun_driver.inpready++;
149			return(NOTIFY_DONE);
150			}
151
152
153			static
154	greg	1.14	canvas_resize(canvas, width, height) /* canvas being resized */
155			Canvas canvas;
156			int width, height;
157			{
158			if (width == sun_driver.xsiz && height == sun_driver.ysiz)
159			return;
160			sun_driver.xsiz = xres = width;
161			sun_driver.ysiz = yres = height;
162			strcpy(getcombuf(&sun_driver), "new\n");
163			}
164
165
166			static
167	greg	1.8	sun_clear(nwidth, nheight) /* clear our canvas */
168			int nwidth, nheight;
169	greg	1.1	{
170			register Pixwin *pw;
171
172			pw = canvas_pixwin(canvas);
173			if (nwidth != xres \|\| nheight != yres) {
174	greg	1.14	sun_driver.xsiz = xres = nwidth;
175			sun_driver.ysiz = yres = nheight;
176	greg	1.1	window_set(canvas, WIN_WIDTH, nwidth, WIN_HEIGHT, nheight, 0);
177			window_fit(frame);
178			window_set(frame, WIN_SHOW, TRUE, 0);
179			notify_do_dispatch();
180			}
181			pw_writebackground(pw, 0, 0, xres, xres, PIX_SRC);
182	greg	1.6	new_ctab(NCOLORS);
183	greg	1.1	}
184
185
186	greg	1.12	static
187	greg	1.8	sun_paintr(col, xmin, ymin, xmax, ymax) /* fill a rectangle */
188			COLOR col;
189			int xmin, ymin, xmax, ymax;
190	greg	1.1	{
191	greg	1.6	extern int newcolr();
192	greg	1.1	int pval;
193			register Pixwin *pw;
194
195	greg	1.6	pval = get_pixel(col, newcolr) + FIRSTCOLOR;
196	greg	1.1	pw = canvas_pixwin(canvas);
197			pw_rop(pw, xmin, yres-ymax, xmax-xmin, ymax-ymin,
198			PIX_SRC\|PIX_COLOR(pval), NULL, 0, 0);
199			}
200
201
202	greg	1.12	static
203	greg	1.10	sun_comin(buf, prompt) /* input a string from the command line */
204			char buf, prompt;
205	greg	1.1	{
206	greg	1.14	extern Notify_value newinput();
207			/* check command buffer */
208	greg	1.10	if (prompt != NULL)
209	greg	1.14	if (fromcombuf(buf, &sun_driver))
210			return;
211			else
212			sun_comout(prompt);
213	greg	1.13	/* await signal */
214			if (sun_driver.inpready <= 0)
215			newinput(sun_init, fileno(ttyin));
216	greg	1.1	/* echo characters */
217			do {
218			mygets(buf, ttyin);
219	greg	1.8	sun_comout(buf);
220	greg	1.1	} while (buf[0]);
221			/* get result */
222			mygets(buf, ttyin);
223	greg	1.12
224			if (sun_driver.inpready > 0)
225			sun_driver.inpready--;
226	greg	1.13	/* reinstall handler */
227	greg	1.12	notify_set_input_func(sun_init, newinput, fileno(ttyin));
228	greg	1.1	}
229
230
231	greg	1.12	static int
232	greg	1.8	sun_getcur(xpp, ypp) /* get cursor position */
233			int xpp, ypp;
234	greg	1.1	{
235	greg	1.3	Event ev;
236	greg	1.1	int c;
237
238			notify_no_dispatch(); /* allow read to block */
239			window_set(canvas, WIN_CONSUME_KBD_EVENT, WIN_ASCII_EVENTS, 0);
240	greg	1.3	again:
241			if (window_read_event(canvas, &ev) == -1) {
242			notify_perror();
243	greg	1.8	stderr_v("window event read error\n");
244			quit(1);
245	greg	1.3	}
246			c = event_id(&ev);
247			switch (c) {
248			case MS_LEFT:
249			c = MB1;
250	greg	1.1	break;
251	greg	1.3	case MS_MIDDLE:
252			c = MB2;
253			break;
254			case MS_RIGHT:
255			c = MB3;
256			break;
257			default:
258			if (c < ASCII_FIRST \|\| c > ASCII_LAST)
259			goto again;
260			break;
261	greg	1.1	}
262	greg	1.8	*xpp = event_x(&ev);
263			*ypp = yres-1 - event_y(&ev);
264	greg	1.3
265	greg	1.1	window_set(canvas, WIN_IGNORE_KBD_EVENT, WIN_ASCII_EVENTS, 0);
266			notify_do_dispatch();
267	greg	1.8	return(c);
268	greg	1.1	}
269
270
271	greg	1.12	static
272	greg	1.8	sun_comout(s) /* put string out to tty subwindow */
273	greg	1.1	register char *s;
274			{
275			char buf[256];
276			register char *cp;
277
278			for (cp = buf; *s; s++) {
279			if (*s == '\n')
280			*cp++ = '\r';
281			cp++ = s;
282			}
283	greg	1.8	/* must be a single call */
284	greg	1.1	ttysw_output(tty, buf, cp-buf);
285			}
286
287
288	greg	1.12	static
289	greg	1.4	getmap() /* allocate color map segments */
290	greg	1.1	{
291	greg	1.4	char cmsname[20];
292	greg	1.5	unsigned char red[256], green[256], blue[256];
293	greg	1.1	register Pixwin *pw;
294	greg	1.5	register int i;
295
296			for (i = 0; i < 256; i++)
297			red[i] = green[i] = blue[i] = 128;
298			red[0] = green[0] = blue[0] = 255;
299			red[1] = green[1] = blue[1] = 0;
300			red[255] = green[255] = blue[255] = 0;
301			red[254] = green[254] = blue[254] = 255;
302			red[253] = green[253] = blue[253] = 0;
303	greg	1.4	/* name shared segment */
304			sprintf(cmsname, "rv%d", getpid());
305			/* set canvas */
306	greg	1.1	pw = canvas_pixwin(canvas);
307	greg	1.4	if (pw->pw_pixrect->pr_depth < 8)
308			return(-1);
309			pw_setcmsname(pw, cmsname);
310	greg	1.5	pw_putcolormap(pw, 0, 256, red, green, blue);
311	greg	1.4	/* set tty subwindow */
312	greg	1.1	pw = (Pixwin *)window_get(tty, WIN_PIXWIN);
313	greg	1.4	pw_setcmsname(pw, cmsname);
314	greg	1.5	pw_putcolormap(pw, 0, 256, red, green, blue);
315	greg	1.4	/* set frame */
316			pw = (Pixwin *)window_get(frame, WIN_PIXWIN);
317			pw_setcmsname(pw, cmsname);
318	greg	1.5	pw_putcolormap(pw, 0, 256, red, green, blue);
319	greg	1.1
320	greg	1.4	return(0);
321	greg	1.1	}
322
323
324	greg	1.12	static
325	greg	1.5	newcolr(ndx, r, g, b) /* enter a color into hardware table */
326			int ndx;
327			unsigned char r, g, b;
328	greg	1.1	{
329			register Pixwin *pw;
330	greg	1.5
331	greg	1.1	pw = canvas_pixwin(canvas);
332	greg	1.5	pw_putcolormap(pw, ndx+FIRSTCOLOR, 1,
333			&r, &g, &b);
334	greg	1.1	pw = (Pixwin *)window_get(tty, WIN_PIXWIN);
335	greg	1.5	pw_putcolormap(pw, ndx+FIRSTCOLOR, 1,
336			&r, &g, &b);
337	greg	1.1	}