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/* Copyright (c) 1988 Regents of the University of California */ |
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|
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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#endif |
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|
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/* |
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* sundev.c - standalone driver for Sunwindows. |
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* |
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* 10/3/88 |
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*/ |
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|
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#include <stdio.h> |
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#include <fcntl.h> |
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#include <suntool/sunview.h> |
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#include <suntool/canvas.h> |
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#include <suntool/tty.h> |
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|
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#include "color.h" |
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|
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#include "driver.h" |
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|
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short icon_image[] = { |
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#include "suntools.icon" |
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}; |
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DEFINE_ICON_FROM_IMAGE(sun_icon, icon_image); |
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|
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#ifndef TTYPROG |
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#define TTYPROG "sun.com" /* tty program */ |
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#endif |
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|
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#define GAMMA 2.2 /* exponent for color correction */ |
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|
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#define COMLH 3 /* number of command lines */ |
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|
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#define FIRSTCOLOR 2 /* first usable entry */ |
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#define NCOLORS 251 /* number of usable colors */ |
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|
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#define CWIDTH 1100 /* starting canvas width */ |
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#define CHEIGHT 800 /* starting canvas height */ |
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|
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int sun_close(), sun_clear(), sun_paintr(), sun_getcur(), |
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sun_comout(), sun_comin(); |
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|
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static struct driver sun_driver = { |
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sun_close, sun_clear, sun_paintr, |
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sun_getcur, sun_comout, sun_comin, |
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NULL, 1.0, CWIDTH, CHEIGHT |
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}; |
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|
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static FILE *ttyin; |
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|
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static Frame frame = 0; |
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static Tty tty = 0; |
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static Canvas canvas = 0; |
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|
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static int xres = 0, yres = 0; |
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|
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extern char *progname; |
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|
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|
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struct driver * |
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sun_init(name, id) /* initialize SunView */ |
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char *name, *id; |
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{ |
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extern Notify_value newinput(), my_destroy_func(); |
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extern int canvas_resize(); |
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char *ttyargv[3], arg1[16]; |
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int pd[2]; |
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int com; |
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|
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frame = window_create(0, FRAME, |
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FRAME_LABEL, id==NULL ? name : id, |
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FRAME_ICON, &sun_icon, |
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WIN_X, 0, WIN_Y, 0, |
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0); |
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if (frame == 0) { |
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stderr_v("cannot create frame\n"); |
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return(NULL); |
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} |
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if (pipe(pd) == -1) { |
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stderr_v("cannot create pipe\n"); |
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return(NULL); |
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} |
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sprintf(arg1, "%d", pd[1]); |
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ttyargv[0] = TTYPROG; |
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ttyargv[1] = arg1; |
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ttyargv[2] = NULL; |
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#ifdef BSD |
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fcntl(pd[0], F_SETFD, 1); |
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#endif |
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tty = window_create(frame, TTY, |
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TTY_ARGV, ttyargv, |
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WIN_ROWS, COMLH, |
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TTY_QUIT_ON_CHILD_DEATH, TRUE, |
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0); |
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if (tty == 0) { |
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stderr_v("cannot create tty subwindow\n"); |
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return(NULL); |
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} |
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close(pd[1]); |
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if ((ttyin = fdopen(pd[0], "r")) == NULL) { |
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stderr_v("cannot open tty\n"); |
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return(NULL); |
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} |
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notify_set_input_func(sun_init, newinput, pd[0]); |
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canvas = window_create(frame, CANVAS, |
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CANVAS_RETAINED, FALSE, |
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CANVAS_RESIZE_PROC, canvas_resize, |
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WIN_INPUT_DESIGNEE, window_get(tty,WIN_DEVICE_NUMBER), |
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WIN_CONSUME_PICK_EVENTS, WIN_NO_EVENTS, |
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MS_LEFT, MS_MIDDLE, MS_RIGHT, 0, |
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0); |
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if (canvas == 0) { |
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stderr_v("cannot create canvas\n"); |
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return(NULL); |
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} |
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if (getmap() < 0) { |
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stderr_v("not a color screen\n"); |
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return(NULL); |
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} |
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make_gmap(GAMMA); |
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window_set(canvas, CANVAS_RETAINED, TRUE, 0); |
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|
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notify_interpose_destroy_func(frame, my_destroy_func); |
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sun_driver.inpready = 0; |
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return(&sun_driver); |
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} |
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|
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|
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static |
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sun_close() /* all done */ |
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{ |
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Frame fr; |
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|
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fr = frame; |
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frame = 0; /* death cry */ |
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if (fr != 0) { |
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window_set(fr, FRAME_NO_CONFIRM, TRUE, 0); |
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window_destroy(fr); |
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} |
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} |
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|
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|
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static Notify_value |
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my_destroy_func(fr, st) /* say bye-bye */ |
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Frame fr; |
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Destroy_status st; |
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{ |
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if (st != DESTROY_CHECKING && frame != 0) |
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quit(1); /* how rude! */ |
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return(notify_next_destroy_func(fr, st)); |
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} |
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|
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|
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static Notify_value |
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newinput(cid, fd) /* register new input */ |
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int (*cid)(); |
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int fd; |
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{ |
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notify_set_input_func(sun_init, NOTIFY_FUNC_NULL, fd); |
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getc(ttyin); |
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sun_driver.inpready++; |
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return(NOTIFY_DONE); |
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} |
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|
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|
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static |
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canvas_resize(canvas, width, height) /* canvas being resized */ |
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Canvas canvas; |
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int width, height; |
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{ |
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if (width == xres && height == yres) |
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return; |
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sun_driver.xsiz = width; |
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sun_driver.ysiz = height; |
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strcpy(getcombuf(&sun_driver), "new\n"); |
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} |
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|
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|
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static |
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sun_clear(nwidth, nheight) /* clear our canvas */ |
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int nwidth, nheight; |
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{ |
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register Pixwin *pw; |
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|
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pw = canvas_pixwin(canvas); |
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if (nwidth != xres || nheight != yres) { |
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xres = nwidth; |
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yres = nheight; |
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window_set(frame, WIN_SHOW, FALSE, 0); |
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window_set(canvas, WIN_WIDTH, nwidth, WIN_HEIGHT, nheight, 0); |
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window_fit(frame); |
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window_set(frame, WIN_SHOW, TRUE, 0); |
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notify_do_dispatch(); |
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} |
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pw_writebackground(pw, 0, 0, xres, xres, PIX_SRC); |
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new_ctab(NCOLORS); |
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} |
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|
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|
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static |
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sun_paintr(col, xmin, ymin, xmax, ymax) /* fill a rectangle */ |
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COLOR col; |
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int xmin, ymin, xmax, ymax; |
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{ |
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extern int newcolr(); |
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int pval; |
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register Pixwin *pw; |
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|
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pval = get_pixel(col, newcolr) + FIRSTCOLOR; |
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pw = canvas_pixwin(canvas); |
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pw_rop(pw, xmin, yres-ymax, xmax-xmin, ymax-ymin, |
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PIX_SRC|PIX_COLOR(pval), NULL, 0, 0); |
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} |
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|
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|
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static |
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sun_comin(buf, prompt) /* input a string from the command line */ |
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char *buf, *prompt; |
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{ |
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extern Notify_value newinput(); |
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/* check command buffer */ |
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if (prompt != NULL) |
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if (fromcombuf(buf, &sun_driver)) |
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return; |
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else |
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sun_comout(prompt); |
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/* await signal */ |
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if (sun_driver.inpready <= 0) |
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newinput(sun_init, fileno(ttyin)); |
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/* echo characters */ |
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do { |
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mygets(buf, ttyin); |
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sun_comout(buf); |
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} while (buf[0]); |
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/* get result */ |
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mygets(buf, ttyin); |
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|
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if (sun_driver.inpready > 0) |
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sun_driver.inpready--; |
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/* reinstall handler */ |
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notify_set_input_func(sun_init, newinput, fileno(ttyin)); |
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} |
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|
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|
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static int |
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sun_getcur(xpp, ypp) /* get cursor position */ |
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int *xpp, *ypp; |
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{ |
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Event ev; |
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int c; |
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|
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notify_no_dispatch(); /* allow read to block */ |
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window_set(canvas, WIN_CONSUME_KBD_EVENT, WIN_ASCII_EVENTS, 0); |
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again: |
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if (window_read_event(canvas, &ev) == -1) { |
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notify_perror(); |
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stderr_v("window event read error\n"); |
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quit(1); |
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} |
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c = event_id(&ev); |
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switch (c) { |
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case MS_LEFT: |
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c = MB1; |
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break; |
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case MS_MIDDLE: |
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c = MB2; |
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break; |
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case MS_RIGHT: |
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c = MB3; |
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break; |
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default: |
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if (c < ASCII_FIRST || c > ASCII_LAST) |
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goto again; |
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break; |
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} |
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*xpp = event_x(&ev); |
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*ypp = yres-1 - event_y(&ev); |
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|
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window_set(canvas, WIN_IGNORE_KBD_EVENT, WIN_ASCII_EVENTS, 0); |
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notify_do_dispatch(); |
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return(c); |
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} |
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|
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|
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static |
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sun_comout(s) /* put string out to tty subwindow */ |
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register char *s; |
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{ |
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char buf[256]; |
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register char *cp; |
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|
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for (cp = buf; *s; s++) { |
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if (*s == '\n') |
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*cp++ = '\r'; |
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*cp++ = *s; |
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} |
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/* must be a single call */ |
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ttysw_output(tty, buf, cp-buf); |
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} |
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|
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|
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static |
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getmap() /* allocate color map segments */ |
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{ |
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char cmsname[20]; |
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unsigned char red[256], green[256], blue[256]; |
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register Pixwin *pw; |
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register int i; |
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|
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for (i = 0; i < 256; i++) |
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red[i] = green[i] = blue[i] = 128; |
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red[0] = green[0] = blue[0] = 255; |
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red[1] = green[1] = blue[1] = 0; |
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red[255] = green[255] = blue[255] = 0; |
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red[254] = green[254] = blue[254] = 255; |
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red[253] = green[253] = blue[253] = 0; |
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/* name shared segment */ |
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sprintf(cmsname, "rv%d", getpid()); |
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/* set canvas */ |
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pw = canvas_pixwin(canvas); |
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if (pw->pw_pixrect->pr_depth < 8) |
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return(-1); |
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pw_setcmsname(pw, cmsname); |
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pw_putcolormap(pw, 0, 256, red, green, blue); |
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/* set tty subwindow */ |
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pw = (Pixwin *)window_get(tty, WIN_PIXWIN); |
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pw_setcmsname(pw, cmsname); |
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pw_putcolormap(pw, 0, 256, red, green, blue); |
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/* set frame */ |
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pw = (Pixwin *)window_get(frame, WIN_PIXWIN); |
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pw_setcmsname(pw, cmsname); |
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pw_putcolormap(pw, 0, 256, red, green, blue); |
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|
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return(0); |
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} |
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|
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|
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static |
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newcolr(ndx, r, g, b) /* enter a color into hardware table */ |
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int ndx; |
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unsigned char r, g, b; |
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{ |
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register Pixwin *pw; |
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|
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pw = canvas_pixwin(canvas); |
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pw_putcolormap(pw, ndx+FIRSTCOLOR, 1, |
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&r, &g, &b); |
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pw = (Pixwin *)window_get(tty, WIN_PIXWIN); |
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pw_putcolormap(pw, ndx+FIRSTCOLOR, 1, |
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&r, &g, &b); |
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} |
