--- ray/src/rt/x11.c 1993/03/08 12:51:45 2.11 +++ ray/src/rt/x11.c 2003/07/21 22:30:19 2.31 @@ -1,18 +1,22 @@ -/* Copyright (c) 1992 Regents of the University of California */ - #ifndef lint -static char SCCSid[] = "$SunId$ LBL"; +static const char RCSid[] = "$Id: x11.c,v 2.31 2003/07/21 22:30:19 schorsch Exp $"; #endif - /* * x11.c - driver for X-windows version 11 - * - * Jan 1990 */ -#include +#include "copyright.h" +#include "standard.h" #include +#ifdef sparc +#include +#include +#include +#endif +#if !defined(FNDELAY) && defined(O_NONBLOCK) +#define FNDELAY O_NONBLOCK +#endif #include #include @@ -58,6 +62,7 @@ static Cursor pickcursor = 0; /* cursor used for pic static int gwidth, gheight; /* graphics window size */ +static int comheight; /* desired comline height */ static TEXTWIND *comline = NULL; /* our command line */ static char c_queue[64]; /* input queue */ @@ -68,17 +73,26 @@ static GC ourgc = 0; /* our graphics context for dr static Colormap ourmap = 0; /* our color map */ -extern char *malloc(), *getcombuf(); +#define IC_X11 0 +#define IC_IOCTL 1 +#define IC_READ 2 -static int x11_close(), x11_clear(), x11_paintr(), x11_errout(), - x11_getcur(), x11_comout(), x11_comin(), x11_flush(); +static int inpcheck; /* whence to check input */ +static int x11_getcur(); + +static void x11_close(), x11_clear(), x11_paintr(), x11_errout(), + x11_comout(), x11_comin(), x11_flush(); + +static void std_comin(), std_comout(); + static struct driver x11_driver = { x11_close, x11_clear, x11_paintr, x11_getcur, - x11_comout, x11_comin, x11_flush, 1.0 + NULL, NULL, x11_flush, 1.0 }; -static int getpixels(), xnewcolr(), freepixels(), +static int getpixels(), x11_getc(); +static void xnewcolr(), freepixels(), resizewindow(), getevent(), getkey(), fixwindow(); static unsigned long true_pixel(); @@ -87,48 +101,57 @@ struct driver * x11_init(name, id) /* initialize driver */ char *name, *id; { - extern char *getenv(); char *gv; int nplanes; XSetWindowAttributes ourwinattr; XWMHints ourxwmhints; XSizeHints oursizhints; - + /* open display server */ ourdisplay = XOpenDisplay(NULL); if (ourdisplay == NULL) { - stderr_v("cannot open X-windows; DISPLAY variable set?\n"); + eputs("cannot open X-windows; DISPLAY variable set?\n"); return(NULL); } /* find a usable visual */ nplanes = DisplayPlanes(ourdisplay, ourscreen); if (XMatchVisualInfo(ourdisplay,ourscreen, - 24,TrueColor,&ourvinfo) || + nplanes>12?nplanes:24,TrueColor,&ourvinfo) || XMatchVisualInfo(ourdisplay,ourscreen, - 24,DirectColor,&ourvinfo)) { + nplanes>12?nplanes:24,DirectColor,&ourvinfo)) { ourblack = 0; ourwhite = ourvinfo.red_mask | ourvinfo.green_mask | ourvinfo.blue_mask ; } else { if (nplanes < 4) { - stderr_v("not enough colors\n"); + eputs("not enough colors\n"); return(NULL); } if (!XMatchVisualInfo(ourdisplay,ourscreen, nplanes,PseudoColor,&ourvinfo) && !XMatchVisualInfo(ourdisplay,ourscreen, nplanes,GrayScale,&ourvinfo)) { - stderr_v("unsupported visual type\n"); + eputs("unsupported visual type\n"); return(NULL); } ourblack = BlackPixel(ourdisplay,ourscreen); ourwhite = WhitePixel(ourdisplay,ourscreen); } /* set gamma */ - if ((gv = getenv("GAMMA")) != NULL) + if ((gv = XGetDefault(ourdisplay, "radiance", "gamma")) != NULL + || (gv = getenv("DISPLAY_GAMMA")) != NULL) make_gmap(atof(gv)); else make_gmap(GAMMA); + /* X11 command line or no? */ + if (!strcmp(name, "x11")) + comheight = COMHEIGHT; + else /* "x11d" */ { + comheight = 0; +#ifndef FNDELAY + eputs("warning: x11d driver not fully functional on this machine\n"); +#endif + } /* open window */ ourwinattr.background_pixel = ourblack; ourwinattr.border_pixel = ourblack; @@ -141,7 +164,7 @@ char *name, *id; BORWIDTH, ourvinfo.depth, InputOutput, ourvinfo.visual, CWBackPixel|CWBorderPixel|CWColormap, &ourwinattr); if (gwind == 0) { - stderr_v("cannot create window\n"); + eputs("cannot create window\n"); return(NULL); } XStoreName(ourdisplay, gwind, id); @@ -154,31 +177,42 @@ char *name, *id; gwind, x11icon_bits, x11icon_width, x11icon_height); XSetWMHints(ourdisplay, gwind, &ourxwmhints); oursizhints.min_width = MINWIDTH; - oursizhints.min_height = MINHEIGHT+COMHEIGHT; + oursizhints.min_height = MINHEIGHT+comheight; oursizhints.flags = PMinSize; XSetNormalHints(ourdisplay, gwind, &oursizhints); XSelectInput(ourdisplay, gwind, ExposureMask); XMapWindow(ourdisplay, gwind); XWindowEvent(ourdisplay, gwind, ExposureMask, levptr(XEvent)); gwidth = levptr(XExposeEvent)->width; - gheight = levptr(XExposeEvent)->height - COMHEIGHT; + gheight = levptr(XExposeEvent)->height - comheight; x11_driver.xsiz = gwidth < MINWIDTH ? MINWIDTH : gwidth; x11_driver.ysiz = gheight < MINHEIGHT ? MINHEIGHT : gheight; x11_driver.inpready = 0; mapped = 1; - cmdvec = x11_comout; /* set error vectors */ - if (wrnvec != NULL) - wrnvec = x11_errout; + /* set i/o vectors */ + if (comheight) { + x11_driver.comin = x11_comin; + x11_driver.comout = x11_comout; + erract[COMMAND].pf = x11_comout; + if (erract[WARNING].pf != NULL) + erract[WARNING].pf = x11_errout; + inpcheck = IC_X11; + } else { + x11_driver.comin = std_comin; + x11_driver.comout = std_comout; + erract[COMMAND].pf = std_comout; + inpcheck = IC_IOCTL; + } return(&x11_driver); } -static +static void x11_close() /* close our display */ { - cmdvec = NULL; /* reset error vectors */ - if (wrnvec != NULL) - wrnvec = stderr_v; + erract[COMMAND].pf = NULL; /* reset error vectors */ + if (erract[WARNING].pf != NULL) + erract[WARNING].pf = wputs; if (ourdisplay == NULL) return; if (comline != NULL) { @@ -196,7 +230,7 @@ x11_close() /* close our display */ } -static +static void x11_clear(xres, yres) /* clear our display */ int xres, yres; { @@ -208,7 +242,7 @@ int xres, yres; /* resize window */ if (xres != gwidth || yres != gheight) { XSelectInput(ourdisplay, gwind, 0); - XResizeWindow(ourdisplay, gwind, xres, yres+COMHEIGHT); + XResizeWindow(ourdisplay, gwind, xres, yres+comheight); gwidth = xres; gheight = yres; XFlush(ourdisplay); @@ -217,28 +251,33 @@ int xres, yres; } XClearWindow(ourdisplay, gwind); /* reinitialize color table */ - if (ourvinfo.class == PseudoColor || ourvinfo.class == GrayScale) + if (ourvinfo.class == PseudoColor || ourvinfo.class == GrayScale) { if (getpixels() == 0) - stderr_v("cannot allocate colors\n"); + eputs("cannot allocate colors\n"); else new_ctab(ncolors); + } /* get new command line */ if (comline != NULL) xt_close(comline); - comline = xt_open(ourdisplay, gwind, 0, gheight, - gwidth, COMHEIGHT, 0, ourblack, ourwhite, COMFN); - if (comline == NULL) { - stderr_v("Cannot open command line window\n"); - quit(1); - } - XSelectInput(ourdisplay, comline->w, ExposureMask); + if (comheight) { + comline = xt_open(ourdisplay, gwind, 0, gheight, gwidth, + comheight, 0, ourblack, ourwhite, COMFN); + if (comline == NULL) { + eputs("cannot open command line window\n"); + quit(1); + } + XSelectInput(ourdisplay, comline->w, ExposureMask); /* remove earmuffs */ - XSelectInput(ourdisplay, gwind, + XSelectInput(ourdisplay, gwind, StructureNotifyMask|ExposureMask|KeyPressMask|ButtonPressMask); + } else /* remove earmuffs */ + XSelectInput(ourdisplay, gwind, + StructureNotifyMask|ExposureMask|ButtonPressMask); } -static +static void x11_paintr(col, xmin, ymin, xmax, ymax) /* fill a rectangle */ COLOR col; int xmin, ymin, xmax, ymax; @@ -257,53 +296,117 @@ int xmin, ymin, xmax, ymax; } -static +static void x11_flush() /* flush output */ { + char buf[256]; + int n; + /* check for input */ XNoOp(ourdisplay); - while (XPending(ourdisplay) > 0) + n = XPending(ourdisplay); /* from X server */ + while (n-- > 0) getevent(); +#ifdef FNDELAY + if (inpcheck == IC_IOCTL) { /* from stdin */ +#ifdef FIONREAD + if (ioctl(fileno(stdin), FIONREAD, &n) < 0) { +#else + if (1) { +#endif + if (fcntl(fileno(stdin), F_SETFL, FNDELAY) < 0) { + eputs("cannot change input mode\n"); + quit(1); + } + inpcheck = IC_READ; + } else + x11_driver.inpready += n; + } + if (inpcheck == IC_READ) { + n = read(fileno(stdin), buf, sizeof(buf)-1); + if (n > 0) { + buf[n] = '\0'; + tocombuf(buf, &x11_driver); + } + } +#endif } -static +static void x11_comin(inp, prompt) /* read in a command line */ char *inp, *prompt; { - extern int x11_getc(); - - if (prompt != NULL) + if (prompt != NULL) { + x11_flush(); /* make sure we get everything */ if (fromcombuf(inp, &x11_driver)) return; - else - xt_puts(prompt, comline); + xt_puts(prompt, comline); + } xt_cursor(comline, TBLKCURS); editline(inp, x11_getc, x11_comout); xt_cursor(comline, TNOCURS); } -static -x11_comout(out) /* output a string to command line */ -char *out; +static void +x11_comout(outp) /* output a string to command line */ +char *outp; { - if (comline == NULL) + if (comline == NULL || outp == NULL || !outp[0]) return; - xt_puts(out, comline); - if (out[strlen(out)-1] == '\n') + xt_puts(outp, comline); + if (outp[strlen(outp)-1] == '\n') XFlush(ourdisplay); } -static +static void x11_errout(msg) /* output an error message */ char *msg; { - stderr_v(msg); /* send to stderr also! */ + eputs(msg); /* send to stderr also! */ x11_comout(msg); } +static void +std_comin(inp, prompt) /* read in command line from stdin */ +char *inp, *prompt; +{ + if (prompt != NULL) { + if (fromcombuf(inp, &x11_driver)) + return; + if (!x11_driver.inpready) + std_comout(prompt); + } +#ifdef FNDELAY + if (inpcheck == IC_READ) { /* turn off FNDELAY */ + if (fcntl(fileno(stdin), F_SETFL, 0) < 0) { + eputs("cannot change input mode\n"); + quit(1); + } + inpcheck = IC_IOCTL; + } +#endif + if (gets(inp) == NULL) { + strcpy(inp, "quit"); + return; + } + x11_driver.inpready -= strlen(inp) + 1; + if (x11_driver.inpready < 0) + x11_driver.inpready = 0; +} + + +static void +std_comout(outp) /* write out string to stdout */ +char *outp; +{ + fputs(outp, stdout); + fflush(stdout); +} + + static int x11_getcur(xp, yp) /* get cursor position */ int *xp, *yp; @@ -333,7 +436,7 @@ int *xp, *yp; } -static +static void xnewcolr(ndx, r, g, b) /* enter a color into hardware table */ int ndx; int r, g, b; @@ -373,7 +476,7 @@ loop: return(ncolors = 0); if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0,pixval,ncolors)) break; - free((char *)pixval); + free((void *)pixval); pixval = NULL; } if (pixval == NULL) { @@ -402,13 +505,13 @@ loop: } -static +static void freepixels() /* free our pixels */ { if (ncolors == 0) return; XFreeColors(ourdisplay,ourmap,pixval,ncolors,0L); - free((char *)pixval); + free((void *)pixval); pixval = NULL; ncolors = 0; if (ourmap != DefaultColormap(ourdisplay,ourscreen)) @@ -444,7 +547,7 @@ x11_getc() /* get a command character */ } -static +static void getevent() /* get next event */ { XNextEvent(ourdisplay, levptr(XEvent)); @@ -458,11 +561,12 @@ getevent() /* get next event */ break; case MapNotify: if (ourvinfo.class == PseudoColor || - ourvinfo.class == GrayScale) + ourvinfo.class == GrayScale) { if (getpixels() == 0) - stderr_v("Cannot allocate colors\n"); + eputs("cannot allocate colors\n"); else new_ctab(ncolors); + } mapped = 1; break; case Expose: @@ -477,7 +581,7 @@ getevent() /* get next event */ } -static +static void getkey(ekey) /* get input key */ register XKeyPressedEvent *ekey; { @@ -490,14 +594,17 @@ register XKeyPressedEvent *ekey; } -static +static void fixwindow(eexp) /* repair damage to window */ register XExposeEvent *eexp; { + char buf[80]; + if (eexp->window == gwind) { - sprintf(getcombuf(&x11_driver), "repaint %d %d %d %d\n", + sprintf(buf, "repaint %d %d %d %d\n", eexp->x, gheight - eexp->y - eexp->height, eexp->x + eexp->width, gheight - eexp->y); + tocombuf(buf, &x11_driver); } else if (eexp->window == comline->w) { if (eexp->count == 0) xt_redraw(comline); @@ -505,17 +612,17 @@ register XExposeEvent *eexp; } -static +static void resizewindow(ersz) /* resize window */ register XConfigureEvent *ersz; { - if (ersz->width == gwidth && ersz->height-COMHEIGHT == gheight) + if (ersz->width == gwidth && ersz->height-comheight == gheight) return; gwidth = ersz->width; - gheight = ersz->height-COMHEIGHT; + gheight = ersz->height-comheight; x11_driver.xsiz = gwidth < MINWIDTH ? MINWIDTH : gwidth; x11_driver.ysiz = gheight < MINHEIGHT ? MINHEIGHT : gheight; - strcpy(getcombuf(&x11_driver), "new\n"); + tocombuf("new\n", &x11_driver); }