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/* Copyright (c) 1992 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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static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* x11.c - driver for X-windows version 11 |
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*/ |
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|
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/* ==================================================================== |
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* The Radiance Software License, Version 1.0 |
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* |
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* Jan 1990 |
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* Copyright (c) 1990 - 2002 The Regents of the University of California, |
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* through Lawrence Berkeley National Laboratory. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, |
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* if any, must include the following acknowledgment: |
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* "This product includes Radiance software |
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* (http://radsite.lbl.gov/) |
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* developed by the Lawrence Berkeley National Laboratory |
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* (http://www.lbl.gov/)." |
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* Alternately, this acknowledgment may appear in the software itself, |
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* if and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
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* and "The Regents of the University of California" must |
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* not be used to endorse or promote products derived from this |
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* software without prior written permission. For written |
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* permission, please contact [email protected]. |
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* |
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* 5. Products derived from this software may not be called "Radiance", |
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* nor may "Radiance" appear in their name, without prior written |
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* permission of Lawrence Berkeley National Laboratory. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
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* information on Lawrence Berkeley National Laboratory, please see |
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* <http://www.lbl.gov/>. |
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*/ |
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|
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#include <stdio.h> |
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#include <math.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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#include <sys/filio.h> |
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#endif |
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#if !defined(FNDELAY) && defined(O_NONBLOCK) |
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#define FNDELAY O_NONBLOCK |
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#endif |
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|
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#include <X11/Xlib.h> |
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#include <X11/cursorfont.h> |
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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_getcur(); |
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|
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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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|
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static int std_comin(), std_comout(); |
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static void 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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NULL, NULL, x11_flush, 1.0 |
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}; |
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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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|
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|
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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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nplanes = DisplayPlanes(ourdisplay, ourscreen); |
172 |
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if (XMatchVisualInfo(ourdisplay,ourscreen, |
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24,TrueColor,&ourvinfo) || |
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> |
nplanes>12?nplanes:24,TrueColor,&ourvinfo) || |
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XMatchVisualInfo(ourdisplay,ourscreen, |
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24,DirectColor,&ourvinfo)) { |
175 |
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nplanes>12?nplanes:24,DirectColor,&ourvinfo)) { |
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ourblack = 0; |
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ourwhite = ourvinfo.red_mask | |
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ourvinfo.green_mask | |
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ourvinfo.blue_mask ; |
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} else { |
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if (nplanes < 4) { |
182 |
< |
stderr_v("not enough colors\n"); |
182 |
> |
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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/* 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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else /* "x11d" */ { |
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comheight = 0; |
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#ifndef FNDELAY |
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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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ourwinattr.background_pixel = ourblack; |
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ourwinattr.border_pixel = ourblack; |
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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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|
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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 */ |
269 |
> |
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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|
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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) |
311 |
< |
stderr_v("cannot allocate colors\n"); |
311 |
> |
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 */ |
318 |
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comline = xt_open(ourdisplay, gwind, 0, gheight, gwidth, |
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comheight, 0, ourblack, ourwhite, COMFN); |
320 |
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if (comline == NULL) { |
321 |
< |
stderr_v("Cannot open command line window\n"); |
321 |
> |
eputs("cannot open command line window\n"); |
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quit(1); |
323 |
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} |
324 |
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XSelectInput(ourdisplay, comline->w, ExposureMask); |
331 |
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} |
332 |
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|
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|
334 |
< |
static |
334 |
> |
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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} |
351 |
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|
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|
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< |
static |
353 |
> |
static void |
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x11_flush() /* flush output */ |
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{ |
356 |
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char buf[256]; |
360 |
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n = XPending(ourdisplay); /* from X server */ |
361 |
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while (n-- > 0) |
362 |
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getevent(); |
363 |
+ |
#ifdef FNDELAY |
364 |
|
if (inpcheck == IC_IOCTL) { /* from stdin */ |
365 |
+ |
#ifdef FIONREAD |
366 |
|
if (ioctl(fileno(stdin), FIONREAD, &n) < 0) { |
367 |
+ |
#else |
368 |
+ |
if (1) { |
369 |
+ |
#endif |
370 |
|
if (fcntl(fileno(stdin), F_SETFL, FNDELAY) < 0) { |
371 |
< |
stderr_v("Cannot change input mode\n"); |
371 |
> |
eputs("cannot change input mode\n"); |
372 |
|
quit(1); |
373 |
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} |
374 |
|
inpcheck = IC_READ; |
379 |
|
n = read(fileno(stdin), buf, sizeof(buf)-1); |
380 |
|
if (n > 0) { |
381 |
|
buf[n] = '\0'; |
382 |
< |
strcpy(getcombuf(&x11_driver), buf); |
382 |
> |
tocombuf(buf, &x11_driver); |
383 |
|
} |
384 |
|
} |
385 |
+ |
#endif |
386 |
|
} |
387 |
|
|
388 |
|
|
389 |
< |
static |
389 |
> |
static void |
390 |
|
x11_comin(inp, prompt) /* read in a command line */ |
391 |
|
char *inp, *prompt; |
392 |
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{ |
402 |
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} |
403 |
|
|
404 |
|
|
405 |
< |
static |
405 |
> |
static void |
406 |
|
x11_comout(outp) /* output a string to command line */ |
407 |
|
char *outp; |
408 |
|
{ |
409 |
< |
if (comline == NULL) |
409 |
> |
if (comline == NULL || outp == NULL || !outp[0]) |
410 |
|
return; |
411 |
|
xt_puts(outp, comline); |
412 |
|
if (outp[strlen(outp)-1] == '\n') |
414 |
|
} |
415 |
|
|
416 |
|
|
417 |
< |
static |
417 |
> |
static void |
418 |
|
x11_errout(msg) /* output an error message */ |
419 |
|
char *msg; |
420 |
|
{ |
421 |
< |
stderr_v(msg); /* send to stderr also! */ |
421 |
> |
eputs(msg); /* send to stderr also! */ |
422 |
|
x11_comout(msg); |
423 |
|
} |
424 |
|
|
425 |
|
|
426 |
< |
static |
426 |
> |
static void |
427 |
|
std_comin(inp, prompt) /* read in command line from stdin */ |
428 |
|
char *inp, *prompt; |
429 |
|
{ |
362 |
– |
extern char *gets(); |
363 |
– |
|
430 |
|
if (prompt != NULL) { |
431 |
|
if (fromcombuf(inp, &x11_driver)) |
432 |
|
return; |
433 |
|
if (!x11_driver.inpready) |
434 |
< |
fputs(prompt, stdout); |
434 |
> |
std_comout(prompt); |
435 |
|
} |
436 |
+ |
#ifdef FNDELAY |
437 |
+ |
if (inpcheck == IC_READ) { /* turn off FNDELAY */ |
438 |
+ |
if (fcntl(fileno(stdin), F_SETFL, 0) < 0) { |
439 |
+ |
eputs("cannot change input mode\n"); |
440 |
+ |
quit(1); |
441 |
+ |
} |
442 |
+ |
inpcheck = IC_IOCTL; |
443 |
+ |
} |
444 |
+ |
#endif |
445 |
|
if (gets(inp) == NULL) { |
446 |
|
strcpy(inp, "quit"); |
447 |
|
return; |
452 |
|
} |
453 |
|
|
454 |
|
|
455 |
< |
static |
455 |
> |
static void |
456 |
|
std_comout(outp) /* write out string to stdout */ |
457 |
|
char *outp; |
458 |
|
{ |
490 |
|
} |
491 |
|
|
492 |
|
|
493 |
< |
static |
493 |
> |
static void |
494 |
|
xnewcolr(ndx, r, g, b) /* enter a color into hardware table */ |
495 |
|
int ndx; |
496 |
|
int r, g, b; |
530 |
|
return(ncolors = 0); |
531 |
|
if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0,pixval,ncolors)) |
532 |
|
break; |
533 |
< |
free((char *)pixval); |
533 |
> |
free((void *)pixval); |
534 |
|
pixval = NULL; |
535 |
|
} |
536 |
|
if (pixval == NULL) { |
559 |
|
} |
560 |
|
|
561 |
|
|
562 |
< |
static |
562 |
> |
static void |
563 |
|
freepixels() /* free our pixels */ |
564 |
|
{ |
565 |
|
if (ncolors == 0) |
566 |
|
return; |
567 |
|
XFreeColors(ourdisplay,ourmap,pixval,ncolors,0L); |
568 |
< |
free((char *)pixval); |
568 |
> |
free((void *)pixval); |
569 |
|
pixval = NULL; |
570 |
|
ncolors = 0; |
571 |
|
if (ourmap != DefaultColormap(ourdisplay,ourscreen)) |
601 |
|
} |
602 |
|
|
603 |
|
|
604 |
< |
static |
604 |
> |
static void |
605 |
|
getevent() /* get next event */ |
606 |
|
{ |
607 |
|
XNextEvent(ourdisplay, levptr(XEvent)); |
617 |
|
if (ourvinfo.class == PseudoColor || |
618 |
|
ourvinfo.class == GrayScale) |
619 |
|
if (getpixels() == 0) |
620 |
< |
stderr_v("Cannot allocate colors\n"); |
620 |
> |
eputs("cannot allocate colors\n"); |
621 |
|
else |
622 |
|
new_ctab(ncolors); |
623 |
|
mapped = 1; |
634 |
|
} |
635 |
|
|
636 |
|
|
637 |
< |
static |
637 |
> |
static void |
638 |
|
getkey(ekey) /* get input key */ |
639 |
|
register XKeyPressedEvent *ekey; |
640 |
|
{ |
647 |
|
} |
648 |
|
|
649 |
|
|
650 |
< |
static |
650 |
> |
static void |
651 |
|
fixwindow(eexp) /* repair damage to window */ |
652 |
|
register XExposeEvent *eexp; |
653 |
|
{ |
654 |
+ |
char buf[80]; |
655 |
+ |
|
656 |
|
if (eexp->window == gwind) { |
657 |
< |
sprintf(getcombuf(&x11_driver), "repaint %d %d %d %d\n", |
657 |
> |
sprintf(buf, "repaint %d %d %d %d\n", |
658 |
|
eexp->x, gheight - eexp->y - eexp->height, |
659 |
|
eexp->x + eexp->width, gheight - eexp->y); |
660 |
+ |
tocombuf(buf, &x11_driver); |
661 |
|
} else if (eexp->window == comline->w) { |
662 |
|
if (eexp->count == 0) |
663 |
|
xt_redraw(comline); |
665 |
|
} |
666 |
|
|
667 |
|
|
668 |
< |
static |
668 |
> |
static void |
669 |
|
resizewindow(ersz) /* resize window */ |
670 |
|
register XConfigureEvent *ersz; |
671 |
|
{ |
677 |
|
x11_driver.xsiz = gwidth < MINWIDTH ? MINWIDTH : gwidth; |
678 |
|
x11_driver.ysiz = gheight < MINHEIGHT ? MINHEIGHT : gheight; |
679 |
|
|
680 |
< |
strcpy(getcombuf(&x11_driver), "new\n"); |
680 |
> |
tocombuf("new\n", &x11_driver); |
681 |
|
} |