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*/ |
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#include <stdio.h> |
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#include <math.h> |
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#include <sys/ioctl.h> |
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#include <fcntl.h> |
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#include <X11/Xlib.h> |
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#include <X11/cursorfont.h> |
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#define GAMMA 2.2 /* default exponent correction */ |
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#define MINWIDTH (32*COMCW) /* minimum graphics window width */ |
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#define MINHEIGHT MINWIDTH /* minimum graphics window height */ |
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#define MINHEIGHT (MINWIDTH/2) /* minimum graphics window height */ |
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#define BORWIDTH 5 /* border width */ |
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#define COMHEIGHT (COMLH*COMCH) /* command line height (pixels) */ |
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static XEvent currentevent; /* current event */ |
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|
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static int ncolors = 0; /* color table size */ |
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static int mapped = 0; /* window is mapped? */ |
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static unsigned long *pixval = NULL; /* allocated pixels */ |
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static unsigned long ourblack=0, ourwhite=1; |
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static int gwidth, gheight; /* graphics window size */ |
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static int comheight; /* desired comline height */ |
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static TEXTWIND *comline = NULL; /* our command line */ |
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static char c_queue[64]; /* input queue */ |
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static Colormap ourmap = 0; /* our color map */ |
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#define IC_X11 0 |
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#define IC_IOCTL 1 |
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#define IC_READ 2 |
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|
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static int inpcheck; /* whence to check input */ |
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|
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extern char *malloc(), *getcombuf(); |
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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 int std_comin(), std_comout(); |
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|
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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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x11_comout, x11_comin, x11_flush, 1.0 |
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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 unsigned long true_pixel(); |
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|
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struct driver * |
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x11_init(name, id) /* initialize driver */ |
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char *name, *id; |
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XSetWindowAttributes ourwinattr; |
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XWMHints ourxwmhints; |
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XSizeHints oursizhints; |
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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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ourwhite = WhitePixel(ourdisplay,ourscreen); |
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} |
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/* set gamma */ |
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if ((gv = getenv("GAMMA")) != NULL) |
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if ((gv = XGetDefault(ourdisplay, "radiance", "gamma")) != NULL |
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|| (gv = getenv("DISPLAY_GAMMA")) != NULL) |
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make_gmap(atof(gv)); |
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else |
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make_gmap(GAMMA); |
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/* X11 command line or no? */ |
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if (!strcmp(name, "x11")) |
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comheight = COMHEIGHT; |
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else /* "x11d" */ |
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comheight = 0; |
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/* open window */ |
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ourwinattr.background_pixel = ourblack; |
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ourwinattr.border_pixel = ourblack; |
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gwind, x11icon_bits, x11icon_width, x11icon_height); |
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XSetWMHints(ourdisplay, gwind, &ourxwmhints); |
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oursizhints.min_width = MINWIDTH; |
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oursizhints.min_height = MINHEIGHT+COMHEIGHT; |
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oursizhints.min_height = MINHEIGHT+comheight; |
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oursizhints.flags = PMinSize; |
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XSetNormalHints(ourdisplay, gwind, &oursizhints); |
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XSelectInput(ourdisplay, gwind, ExposureMask); |
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XMapWindow(ourdisplay, gwind); |
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XWindowEvent(ourdisplay, gwind, ExposureMask, levptr(XEvent)); |
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gwidth = levptr(XExposeEvent)->width; |
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gheight = levptr(XExposeEvent)->height - COMHEIGHT; |
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gheight = levptr(XExposeEvent)->height - comheight; |
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x11_driver.xsiz = gwidth < MINWIDTH ? MINWIDTH : gwidth; |
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x11_driver.ysiz = gheight < MINHEIGHT ? MINHEIGHT : gheight; |
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x11_driver.inpready = 0; |
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cmdvec = x11_comout; /* set error vectors */ |
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if (wrnvec != NULL) |
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wrnvec = x11_errout; |
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mapped = 1; |
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/* set i/o vectors */ |
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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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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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inpcheck = IC_IOCTL; |
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} |
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return(&x11_driver); |
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} |
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/* resize window */ |
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if (xres != gwidth || yres != gheight) { |
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XSelectInput(ourdisplay, gwind, 0); |
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XResizeWindow(ourdisplay, gwind, xres, yres+COMHEIGHT); |
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XResizeWindow(ourdisplay, gwind, xres, yres+comheight); |
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gwidth = xres; |
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gheight = yres; |
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XFlush(ourdisplay); |
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/* get new command line */ |
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if (comline != NULL) |
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xt_close(comline); |
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comline = xt_open(ourdisplay, gwind, 0, gheight, |
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gwidth, 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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quit(1); |
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} |
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XSelectInput(ourdisplay, comline->w, ExposureMask); |
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if (comheight) { |
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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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quit(1); |
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} |
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XSelectInput(ourdisplay, comline->w, ExposureMask); |
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/* remove earmuffs */ |
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XSelectInput(ourdisplay, gwind, |
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XSelectInput(ourdisplay, gwind, |
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StructureNotifyMask|ExposureMask|KeyPressMask|ButtonPressMask); |
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} else /* remove earmuffs */ |
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XSelectInput(ourdisplay, gwind, |
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StructureNotifyMask|ExposureMask|ButtonPressMask); |
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} |
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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 xnewcolr(); /* pixel assignment routine */ |
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extern unsigned long true_pixel(); |
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unsigned long pixel; |
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|
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if (!mapped) |
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return; |
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if (ncolors > 0) |
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pixel = pixval[get_pixel(col, xnewcolr)]; |
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else if (ourvinfo.class == TrueColor || ourvinfo.class == DirectColor) |
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pixel = true_pixel(col); |
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else |
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return; |
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pixel = true_pixel(col); |
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XSetForeground(ourdisplay, ourgc, pixel); |
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XFillRectangle(ourdisplay, gwind, |
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ourgc, xmin, gheight-ymax, xmax-xmin, ymax-ymin); |
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static |
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x11_flush() /* flush output */ |
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{ |
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char buf[256]; |
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int n; |
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/* check for input */ |
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XNoOp(ourdisplay); |
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while (XPending(ourdisplay) > 0) |
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n = XPending(ourdisplay); /* from X server */ |
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while (n-- > 0) |
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getevent(); |
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if (inpcheck == IC_IOCTL) { /* from stdin */ |
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if (ioctl(fileno(stdin), FIONREAD, &n) < 0) { |
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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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quit(1); |
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} |
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inpcheck = IC_READ; |
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} else |
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x11_driver.inpready += n; |
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} |
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if (inpcheck == IC_READ) { |
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n = read(fileno(stdin), buf, sizeof(buf)-1); |
313 |
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if (n > 0) { |
314 |
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buf[n] = '\0'; |
315 |
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strcpy(getcombuf(&x11_driver), buf); |
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} |
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} |
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} |
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|
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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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extern int x11_getc(); |
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|
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if (prompt != NULL) |
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if (prompt != NULL) { |
326 |
> |
x11_flush(); /* make sure we get everything */ |
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if (fromcombuf(inp, &x11_driver)) |
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return; |
329 |
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else |
330 |
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xt_puts(prompt, comline); |
329 |
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xt_puts(prompt, comline); |
330 |
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} |
331 |
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xt_cursor(comline, TBLKCURS); |
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editline(inp, x11_getc, x11_comout); |
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xt_cursor(comline, TNOCURS); |
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|
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static |
338 |
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x11_comout(out) /* output a string to command line */ |
339 |
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char *out; |
338 |
> |
x11_comout(outp) /* output a string to command line */ |
339 |
> |
char *outp; |
340 |
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{ |
341 |
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if (comline == NULL) |
342 |
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return; |
343 |
< |
xt_puts(out, comline); |
344 |
< |
if (out[strlen(out)-1] == '\n') |
343 |
> |
xt_puts(outp, comline); |
344 |
> |
if (outp[strlen(outp)-1] == '\n') |
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XFlush(ourdisplay); |
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} |
347 |
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355 |
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} |
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|
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|
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static |
359 |
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std_comin(inp, prompt) /* read in command line from stdin */ |
360 |
+ |
char *inp, *prompt; |
361 |
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{ |
362 |
+ |
extern char *gets(); |
363 |
+ |
|
364 |
+ |
if (prompt != NULL) { |
365 |
+ |
if (fromcombuf(inp, &x11_driver)) |
366 |
+ |
return; |
367 |
+ |
if (!x11_driver.inpready) |
368 |
+ |
fputs(prompt, stdout); |
369 |
+ |
} |
370 |
+ |
if (gets(inp) == NULL) { |
371 |
+ |
strcpy(inp, "quit"); |
372 |
+ |
return; |
373 |
+ |
} |
374 |
+ |
x11_driver.inpready -= strlen(inp) + 1; |
375 |
+ |
if (x11_driver.inpready < 0) |
376 |
+ |
x11_driver.inpready = 0; |
377 |
+ |
} |
378 |
+ |
|
379 |
+ |
|
380 |
+ |
static |
381 |
+ |
std_comout(outp) /* write out string to stdout */ |
382 |
+ |
char *outp; |
383 |
+ |
{ |
384 |
+ |
fputs(outp, stdout); |
385 |
+ |
} |
386 |
+ |
|
387 |
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|
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static int |
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x11_getcur(xp, yp) /* get cursor position */ |
390 |
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int *xp, *yp; |
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if (c_last > c_first) /* key pressed */ |
405 |
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return(x11_getc()); |
406 |
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/* button pressed */ |
407 |
< |
if (levptr(XButtonPressedEvent)->button & Button1) |
407 |
> |
if (levptr(XButtonPressedEvent)->button == Button1) |
408 |
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return(MB1); |
409 |
< |
if (levptr(XButtonPressedEvent)->button & Button2) |
409 |
> |
if (levptr(XButtonPressedEvent)->button == Button2) |
410 |
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return(MB2); |
411 |
< |
if (levptr(XButtonPressedEvent)->button & Button3) |
411 |
> |
if (levptr(XButtonPressedEvent)->button == Button3) |
412 |
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return(MB3); |
328 |
– |
if (levptr(XButtonPressedEvent)->button & (Button4|Button5)) |
329 |
– |
return(MB1); |
413 |
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return(ABORT); |
414 |
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} |
415 |
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|
452 |
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pixval = (unsigned long *)malloc(ncolors*sizeof(unsigned long)); |
453 |
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if (pixval == NULL) |
454 |
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return(ncolors = 0); |
455 |
< |
if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0, |
373 |
< |
pixval,ncolors) != 0) |
455 |
> |
if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0,pixval,ncolors)) |
456 |
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break; |
457 |
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free((char *)pixval); |
458 |
|
pixval = NULL; |
534 |
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resizewindow(levptr(XConfigureEvent)); |
535 |
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break; |
536 |
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case UnmapNotify: |
537 |
+ |
mapped = 0; |
538 |
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freepixels(); |
539 |
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break; |
540 |
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case MapNotify: |
544 |
|
stderr_v("Cannot allocate colors\n"); |
545 |
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else |
546 |
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new_ctab(ncolors); |
547 |
+ |
mapped = 1; |
548 |
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break; |
549 |
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case Expose: |
550 |
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fixwindow(levptr(XExposeEvent)); |
590 |
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resizewindow(ersz) /* resize window */ |
591 |
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register XConfigureEvent *ersz; |
592 |
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{ |
593 |
< |
if (ersz->width == gwidth && ersz->height-COMHEIGHT == gheight) |
593 |
> |
if (ersz->width == gwidth && ersz->height-comheight == gheight) |
594 |
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return; |
595 |
|
|
596 |
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gwidth = ersz->width; |
597 |
< |
gheight = ersz->height-COMHEIGHT; |
597 |
> |
gheight = ersz->height-comheight; |
598 |
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x11_driver.xsiz = gwidth < MINWIDTH ? MINWIDTH : gwidth; |
599 |
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x11_driver.ysiz = gheight < MINHEIGHT ? MINHEIGHT : gheight; |
600 |
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