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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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* 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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#include "copyright.h" |
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|
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#include "standard.h" |
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#include <sys/ioctl.h> |
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#include <X11/cursorfont.h> |
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#include <X11/Xutil.h> |
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|
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#include "platform.h" |
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#include "color.h" |
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#include "driver.h" |
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#include "x11twind.h" |
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|
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static int inpcheck; /* whence to check input */ |
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|
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static int x11_getcur(); |
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static void x11_errout(char *msg); |
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|
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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 dr_closef_t x11_close; |
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static dr_clearf_t x11_clear; |
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static dr_paintrf_t x11_paintr; |
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static dr_getcurf_t x11_getcur; |
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static dr_comoutf_t x11_comout; |
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static dr_cominf_t x11_comin; |
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static dr_flushf_t x11_flush; |
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|
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static void std_comin(), std_comout(); |
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static dr_cominf_t std_comin; |
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static dr_comoutf_t 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(), 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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static dr_getchf_t x11_getc; |
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|
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static void freepixels(void); |
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static int getpixels(void); |
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static dr_newcolrf_t xnewcolr; |
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static unsigned long true_pixel(COLOR col); |
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static void getevent(void); |
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static void getkey(XKeyPressedEvent *ekey); |
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static void fixwindow(XExposeEvent *eexp); |
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static void resizewindow(XConfigureEvent *ersz); |
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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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extern dr_initf_t x11_init; /* XXX this should be in a seperate header file */ |
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|
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|
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extern struct driver * |
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x11_init( /* initialize driver */ |
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char *name, |
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char *id |
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) |
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{ |
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char *gv; |
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int nplanes; |
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|
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|
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static void |
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x11_close() /* close our display */ |
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x11_close(void) /* close our display */ |
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{ |
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erract[COMMAND].pf = NULL; /* reset error vectors */ |
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if (erract[WARNING].pf != NULL) |
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|
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|
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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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x11_clear( /* clear our display */ |
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int xres, |
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int yres |
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) |
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{ |
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/* check limits */ |
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if (xres < MINWIDTH) |
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} |
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XClearWindow(ourdisplay, gwind); |
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/* reinitialize color table */ |
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if (ourvinfo.class == PseudoColor || ourvinfo.class == GrayScale) |
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if (ourvinfo.class == PseudoColor || ourvinfo.class == GrayScale) { |
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if (getpixels() == 0) |
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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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} |
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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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|
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|
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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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x11_paintr( /* fill a rectangle */ |
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COLOR col, |
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int xmin, |
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int ymin, |
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int xmax, |
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int ymax |
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) |
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{ |
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unsigned long pixel; |
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|
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|
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|
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static void |
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x11_flush() /* flush output */ |
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x11_flush(void) /* flush output */ |
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{ |
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char buf[256]; |
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int n; |
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|
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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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x11_comin( /* read in a command line */ |
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char *inp, |
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char *prompt |
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) |
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{ |
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|
if (prompt != NULL) { |
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x11_flush(); /* make sure we get everything */ |
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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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x11_comout( /* output a string to command line */ |
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char *outp |
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) |
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{ |
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if (comline == NULL || outp == NULL || !outp[0]) |
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return; |
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|
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|
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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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x11_errout( /* output an error message */ |
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char *msg |
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) |
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{ |
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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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|
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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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std_comin( /* read in command line from stdin */ |
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char *inp, |
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char *prompt |
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) |
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{ |
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|
if (prompt != NULL) { |
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if (fromcombuf(inp, &x11_driver)) |
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|
|
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|
|
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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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std_comout( /* write out string to stdout */ |
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> |
char *outp |
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> |
) |
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{ |
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|
fputs(outp, stdout); |
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fflush(stdout); |
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|
|
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|
|
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static int |
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x11_getcur(xp, yp) /* get cursor position */ |
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int *xp, *yp; |
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> |
x11_getcur( /* get cursor position */ |
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> |
int *xp, |
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> |
int *yp |
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> |
) |
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{ |
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while (XGrabPointer(ourdisplay, gwind, True, ButtonPressMask, |
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GrabModeAsync, GrabModeAsync, None, pickcursor, |
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|
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|
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static void |
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xnewcolr(ndx, r, g, b) /* enter a color into hardware table */ |
473 |
< |
int ndx; |
474 |
< |
int r, g, b; |
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> |
xnewcolr( /* enter a color into hardware table */ |
473 |
> |
int ndx, |
474 |
> |
int r, |
475 |
> |
int g, |
476 |
> |
int b |
477 |
> |
) |
478 |
|
{ |
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|
XColor xcolor; |
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|
|
489 |
|
|
490 |
|
|
491 |
|
static int |
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< |
getpixels() /* get the color map */ |
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> |
getpixels(void) /* get the color map */ |
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|
{ |
494 |
|
XColor thiscolor; |
495 |
|
register int i, j; |
541 |
|
|
542 |
|
|
543 |
|
static void |
544 |
< |
freepixels() /* free our pixels */ |
544 |
> |
freepixels(void) /* free our pixels */ |
545 |
|
{ |
546 |
|
if (ncolors == 0) |
547 |
|
return; |
556 |
|
|
557 |
|
|
558 |
|
static unsigned long |
559 |
< |
true_pixel(col) /* return true pixel value for color */ |
560 |
< |
COLOR col; |
559 |
> |
true_pixel( /* return true pixel value for color */ |
560 |
> |
COLOR col |
561 |
> |
) |
562 |
|
{ |
563 |
|
unsigned long rval; |
564 |
|
BYTE rgb[3]; |
572 |
|
|
573 |
|
|
574 |
|
static int |
575 |
< |
x11_getc() /* get a command character */ |
575 |
> |
x11_getc(void) /* get a command character */ |
576 |
|
{ |
577 |
|
while (c_last <= c_first) { |
578 |
|
c_first = c_last = 0; /* reset */ |
584 |
|
|
585 |
|
|
586 |
|
static void |
587 |
< |
getevent() /* get next event */ |
587 |
> |
getevent(void) /* get next event */ |
588 |
|
{ |
589 |
|
XNextEvent(ourdisplay, levptr(XEvent)); |
590 |
|
switch (levptr(XEvent)->type) { |
597 |
|
break; |
598 |
|
case MapNotify: |
599 |
|
if (ourvinfo.class == PseudoColor || |
600 |
< |
ourvinfo.class == GrayScale) |
600 |
> |
ourvinfo.class == GrayScale) { |
601 |
|
if (getpixels() == 0) |
602 |
|
eputs("cannot allocate colors\n"); |
603 |
|
else |
604 |
|
new_ctab(ncolors); |
605 |
+ |
} |
606 |
|
mapped = 1; |
607 |
|
break; |
608 |
|
case Expose: |
618 |
|
|
619 |
|
|
620 |
|
static void |
621 |
< |
getkey(ekey) /* get input key */ |
622 |
< |
register XKeyPressedEvent *ekey; |
621 |
> |
getkey( /* get input key */ |
622 |
> |
register XKeyPressedEvent *ekey |
623 |
> |
) |
624 |
|
{ |
625 |
|
register int n; |
626 |
|
|
632 |
|
|
633 |
|
|
634 |
|
static void |
635 |
< |
fixwindow(eexp) /* repair damage to window */ |
636 |
< |
register XExposeEvent *eexp; |
635 |
> |
fixwindow( /* repair damage to window */ |
636 |
> |
register XExposeEvent *eexp |
637 |
> |
) |
638 |
|
{ |
639 |
|
char buf[80]; |
640 |
|
|
651 |
|
|
652 |
|
|
653 |
|
static void |
654 |
< |
resizewindow(ersz) /* resize window */ |
655 |
< |
register XConfigureEvent *ersz; |
654 |
> |
resizewindow( /* resize window */ |
655 |
> |
register XConfigureEvent *ersz |
656 |
> |
) |
657 |
|
{ |
658 |
|
if (ersz->width == gwidth && ersz->height-comheight == gheight) |
659 |
|
return; |