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/* Copyright (c) 1995 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* x11.c - driver for X-windows version 11 |
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* |
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* Jan 1990 |
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*/ |
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#include <stdio.h> |
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#include <math.h> |
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#include "copyright.h" |
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#include "standard.h" |
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#include <sys/ioctl.h> |
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#include <fcntl.h> |
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#ifdef sparc |
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#include <sys/conf.h> |
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#include <sys/file.h> |
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static int inpcheck; /* whence to check input */ |
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extern char *malloc(); |
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static int x11_getcur(); |
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static int x11_close(), x11_clear(), x11_paintr(), x11_errout(), |
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x11_getcur(), x11_comout(), x11_comin(), x11_flush(); |
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static void x11_close(), x11_clear(), x11_paintr(), x11_errout(), |
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x11_comout(), x11_comin(), x11_flush(); |
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static int std_comin(), std_comout(); |
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static void std_comin(), std_comout(); |
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static struct driver x11_driver = { |
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x11_close, x11_clear, x11_paintr, x11_getcur, |
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NULL, NULL, x11_flush, 1.0 |
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}; |
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static int getpixels(), xnewcolr(), freepixels(), resizewindow(), |
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getevent(), getkey(), fixwindow(), x11_getc(); |
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static int getpixels(), x11_getc(); |
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static void xnewcolr(), freepixels(), resizewindow(), |
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getevent(), getkey(), fixwindow(); |
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static unsigned long true_pixel(); |
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x11_init(name, id) /* initialize driver */ |
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char *name, *id; |
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{ |
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extern char *getenv(); |
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char *gv; |
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int nplanes; |
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XSetWindowAttributes ourwinattr; |
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/* open display server */ |
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ourdisplay = XOpenDisplay(NULL); |
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if (ourdisplay == NULL) { |
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stderr_v("cannot open X-windows; DISPLAY variable set?\n"); |
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eputs("cannot open X-windows; DISPLAY variable set?\n"); |
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return(NULL); |
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} |
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/* find a usable visual */ |
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ourvinfo.blue_mask ; |
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} else { |
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if (nplanes < 4) { |
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stderr_v("not enough colors\n"); |
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eputs("not enough colors\n"); |
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return(NULL); |
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} |
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if (!XMatchVisualInfo(ourdisplay,ourscreen, |
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nplanes,PseudoColor,&ourvinfo) && |
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!XMatchVisualInfo(ourdisplay,ourscreen, |
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nplanes,GrayScale,&ourvinfo)) { |
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stderr_v("unsupported visual type\n"); |
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eputs("unsupported visual type\n"); |
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return(NULL); |
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} |
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ourblack = BlackPixel(ourdisplay,ourscreen); |
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else /* "x11d" */ { |
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comheight = 0; |
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#ifndef FNDELAY |
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stderr_v("warning: x11d driver not fully functional on this machine\n"); |
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eputs("warning: x11d driver not fully functional on this machine\n"); |
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#endif |
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} |
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/* open window */ |
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BORWIDTH, ourvinfo.depth, InputOutput, ourvinfo.visual, |
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CWBackPixel|CWBorderPixel|CWColormap, &ourwinattr); |
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if (gwind == 0) { |
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stderr_v("cannot create window\n"); |
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eputs("cannot create window\n"); |
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return(NULL); |
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} |
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XStoreName(ourdisplay, gwind, id); |
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if (comheight) { |
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x11_driver.comin = x11_comin; |
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x11_driver.comout = x11_comout; |
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cmdvec = x11_comout; |
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if (wrnvec != NULL) |
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wrnvec = x11_errout; |
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erract[COMMAND].pf = x11_comout; |
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if (erract[WARNING].pf != NULL) |
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erract[WARNING].pf = x11_errout; |
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inpcheck = IC_X11; |
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} else { |
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x11_driver.comin = std_comin; |
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x11_driver.comout = std_comout; |
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cmdvec = std_comout; |
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erract[COMMAND].pf = std_comout; |
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inpcheck = IC_IOCTL; |
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} |
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return(&x11_driver); |
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} |
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static |
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static void |
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x11_close() /* close our display */ |
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{ |
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cmdvec = NULL; /* reset error vectors */ |
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if (wrnvec != NULL) |
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wrnvec = stderr_v; |
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erract[COMMAND].pf = NULL; /* reset error vectors */ |
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if (erract[WARNING].pf != NULL) |
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erract[WARNING].pf = wputs; |
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if (ourdisplay == NULL) |
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return; |
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if (comline != NULL) { |
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} |
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static |
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static void |
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x11_clear(xres, yres) /* clear our display */ |
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int xres, yres; |
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{ |
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/* reinitialize color table */ |
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if (ourvinfo.class == PseudoColor || ourvinfo.class == GrayScale) |
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if (getpixels() == 0) |
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stderr_v("cannot allocate colors\n"); |
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eputs("cannot allocate colors\n"); |
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else |
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new_ctab(ncolors); |
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/* get new command line */ |
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comline = xt_open(ourdisplay, gwind, 0, gheight, gwidth, |
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comheight, 0, ourblack, ourwhite, COMFN); |
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if (comline == NULL) { |
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stderr_v("cannot open command line window\n"); |
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eputs("cannot open command line window\n"); |
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quit(1); |
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} |
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XSelectInput(ourdisplay, comline->w, ExposureMask); |
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} |
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static |
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static void |
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x11_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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static |
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static void |
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x11_flush() /* flush output */ |
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{ |
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char buf[256]; |
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if (1) { |
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#endif |
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if (fcntl(fileno(stdin), F_SETFL, FNDELAY) < 0) { |
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stderr_v("cannot change input mode\n"); |
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eputs("cannot change input mode\n"); |
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quit(1); |
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} |
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inpcheck = IC_READ; |
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} |
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static void |
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x11_comin(inp, prompt) /* read in a command line */ |
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char *inp, *prompt; |
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{ |
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} |
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static void |
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x11_comout(outp) /* output a string to command line */ |
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char *outp; |
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{ |
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if (comline == NULL) |
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if (comline == NULL || outp == NULL || !outp[0]) |
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return; |
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xt_puts(outp, comline); |
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if (outp[strlen(outp)-1] == '\n') |
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} |
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static |
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static void |
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x11_errout(msg) /* output an error message */ |
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char *msg; |
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{ |
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stderr_v(msg); /* send to stderr also! */ |
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eputs(msg); /* send to stderr also! */ |
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x11_comout(msg); |
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} |
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static |
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static void |
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std_comin(inp, prompt) /* read in command line from stdin */ |
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char *inp, *prompt; |
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{ |
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extern char *gets(); |
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if (prompt != NULL) { |
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if (fromcombuf(inp, &x11_driver)) |
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return; |
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#ifdef FNDELAY |
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if (inpcheck == IC_READ) { /* turn off FNDELAY */ |
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if (fcntl(fileno(stdin), F_SETFL, 0) < 0) { |
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stderr_v("cannot change input mode\n"); |
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eputs("cannot change input mode\n"); |
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quit(1); |
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} |
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inpcheck = IC_IOCTL; |
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} |
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static |
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static void |
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std_comout(outp) /* write out string to stdout */ |
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char *outp; |
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{ |
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} |
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static |
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static void |
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xnewcolr(ndx, r, g, b) /* enter a color into hardware table */ |
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int ndx; |
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int r, g, b; |
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return(ncolors = 0); |
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if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0,pixval,ncolors)) |
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break; |
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free((char *)pixval); |
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free((void *)pixval); |
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pixval = NULL; |
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} |
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if (pixval == NULL) { |
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} |
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static |
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static void |
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freepixels() /* free our pixels */ |
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{ |
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if (ncolors == 0) |
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return; |
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XFreeColors(ourdisplay,ourmap,pixval,ncolors,0L); |
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free((char *)pixval); |
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free((void *)pixval); |
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pixval = NULL; |
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ncolors = 0; |
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if (ourmap != DefaultColormap(ourdisplay,ourscreen)) |
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} |
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static |
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static void |
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getevent() /* get next event */ |
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{ |
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XNextEvent(ourdisplay, levptr(XEvent)); |
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if (ourvinfo.class == PseudoColor || |
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ourvinfo.class == GrayScale) |
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if (getpixels() == 0) |
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stderr_v("cannot allocate colors\n"); |
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eputs("cannot allocate colors\n"); |
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else |
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new_ctab(ncolors); |
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mapped = 1; |
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} |
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static |
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static void |
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getkey(ekey) /* get input key */ |
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register XKeyPressedEvent *ekey; |
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{ |
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} |
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static |
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static void |
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fixwindow(eexp) /* repair damage to window */ |
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register XExposeEvent *eexp; |
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{ |
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} |
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static |
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static void |
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resizewindow(ersz) /* resize window */ |
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register XConfigureEvent *ersz; |
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{ |