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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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* 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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|
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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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#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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extern char *malloc(); |
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static void x11_errout(char *msg); |
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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 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 int 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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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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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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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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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); |
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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)) { |
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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) { |
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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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/* 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" */ |
166 |
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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); |
183 |
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if (gwind == 0) { |
184 |
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stderr_v("cannot create window\n"); |
184 |
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eputs("cannot create window\n"); |
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return(NULL); |
186 |
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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; |
214 |
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if (wrnvec != NULL) |
215 |
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wrnvec = x11_errout; |
213 |
> |
erract[COMMAND].pf = x11_comout; |
214 |
> |
if (erract[WARNING].pf != NULL) |
215 |
> |
erract[WARNING].pf = x11_errout; |
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inpcheck = IC_X11; |
217 |
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} else { |
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x11_driver.comin = std_comin; |
219 |
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x11_driver.comout = std_comout; |
220 |
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cmdvec = std_comout; |
220 |
> |
erract[COMMAND].pf = std_comout; |
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inpcheck = IC_IOCTL; |
222 |
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} |
223 |
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return(&x11_driver); |
224 |
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} |
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|
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|
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static |
228 |
< |
x11_close() /* close our display */ |
227 |
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static void |
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> |
x11_close(void) /* close our display */ |
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{ |
230 |
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cmdvec = NULL; /* reset error vectors */ |
231 |
< |
if (wrnvec != NULL) |
232 |
< |
wrnvec = stderr_v; |
230 |
> |
erract[COMMAND].pf = NULL; /* reset error vectors */ |
231 |
> |
if (erract[WARNING].pf != NULL) |
232 |
> |
erract[WARNING].pf = wputs; |
233 |
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if (ourdisplay == NULL) |
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return; |
235 |
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if (comline != NULL) { |
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} |
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|
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|
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static |
251 |
< |
x11_clear(xres, yres) /* clear our display */ |
252 |
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int xres, yres; |
250 |
> |
static void |
251 |
> |
x11_clear( /* clear our display */ |
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int xres, |
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int yres |
254 |
> |
) |
255 |
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{ |
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/* check limits */ |
257 |
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if (xres < MINWIDTH) |
270 |
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} |
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XClearWindow(ourdisplay, gwind); |
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/* reinitialize color table */ |
273 |
< |
if (ourvinfo.class == PseudoColor || ourvinfo.class == GrayScale) |
273 |
> |
if (ourvinfo.class == PseudoColor || ourvinfo.class == GrayScale) { |
274 |
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if (getpixels() == 0) |
275 |
< |
stderr_v("cannot allocate colors\n"); |
275 |
> |
eputs("cannot allocate colors\n"); |
276 |
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else |
277 |
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new_ctab(ncolors); |
278 |
+ |
} |
279 |
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/* get new command line */ |
280 |
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if (comline != NULL) |
281 |
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xt_close(comline); |
283 |
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comline = xt_open(ourdisplay, gwind, 0, gheight, gwidth, |
284 |
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comheight, 0, ourblack, ourwhite, COMFN); |
285 |
|
if (comline == NULL) { |
286 |
< |
stderr_v("Cannot open command line window\n"); |
286 |
> |
eputs("cannot open command line window\n"); |
287 |
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quit(1); |
288 |
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} |
289 |
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XSelectInput(ourdisplay, comline->w, ExposureMask); |
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} |
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|
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|
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static |
300 |
< |
x11_paintr(col, xmin, ymin, xmax, ymax) /* fill a rectangle */ |
301 |
< |
COLOR col; |
302 |
< |
int xmin, ymin, xmax, ymax; |
299 |
> |
static void |
300 |
> |
x11_paintr( /* fill a rectangle */ |
301 |
> |
COLOR col, |
302 |
> |
int xmin, |
303 |
> |
int ymin, |
304 |
> |
int xmax, |
305 |
> |
int ymax |
306 |
> |
) |
307 |
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{ |
308 |
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unsigned long pixel; |
309 |
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|
319 |
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} |
320 |
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|
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|
322 |
< |
static |
323 |
< |
x11_flush() /* flush output */ |
322 |
> |
static void |
323 |
> |
x11_flush(void) /* flush output */ |
324 |
|
{ |
325 |
|
char buf[256]; |
326 |
|
int n; |
337 |
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if (1) { |
338 |
|
#endif |
339 |
|
if (fcntl(fileno(stdin), F_SETFL, FNDELAY) < 0) { |
340 |
< |
stderr_v("Cannot change input mode\n"); |
340 |
> |
eputs("cannot change input mode\n"); |
341 |
|
quit(1); |
342 |
|
} |
343 |
|
inpcheck = IC_READ; |
355 |
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} |
356 |
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|
357 |
|
|
358 |
< |
static |
359 |
< |
x11_comin(inp, prompt) /* read in a command line */ |
360 |
< |
char *inp, *prompt; |
358 |
> |
static void |
359 |
> |
x11_comin( /* read in a command line */ |
360 |
> |
char *inp, |
361 |
> |
char *prompt |
362 |
> |
) |
363 |
|
{ |
364 |
|
if (prompt != NULL) { |
365 |
|
x11_flush(); /* make sure we get everything */ |
373 |
|
} |
374 |
|
|
375 |
|
|
376 |
< |
static |
377 |
< |
x11_comout(outp) /* output a string to command line */ |
378 |
< |
char *outp; |
376 |
> |
static void |
377 |
> |
x11_comout( /* output a string to command line */ |
378 |
> |
char *outp |
379 |
> |
) |
380 |
|
{ |
381 |
< |
if (comline == NULL) |
381 |
> |
if (comline == NULL || outp == NULL || !outp[0]) |
382 |
|
return; |
383 |
|
xt_puts(outp, comline); |
384 |
|
if (outp[strlen(outp)-1] == '\n') |
386 |
|
} |
387 |
|
|
388 |
|
|
389 |
< |
static |
390 |
< |
x11_errout(msg) /* output an error message */ |
391 |
< |
char *msg; |
389 |
> |
static void |
390 |
> |
x11_errout( /* output an error message */ |
391 |
> |
char *msg |
392 |
> |
) |
393 |
|
{ |
394 |
< |
stderr_v(msg); /* send to stderr also! */ |
394 |
> |
eputs(msg); /* send to stderr also! */ |
395 |
|
x11_comout(msg); |
396 |
|
} |
397 |
|
|
398 |
|
|
399 |
< |
static |
400 |
< |
std_comin(inp, prompt) /* read in command line from stdin */ |
401 |
< |
char *inp, *prompt; |
399 |
> |
static void |
400 |
> |
std_comin( /* read in command line from stdin */ |
401 |
> |
char *inp, |
402 |
> |
char *prompt |
403 |
> |
) |
404 |
|
{ |
368 |
– |
extern char *gets(); |
369 |
– |
|
405 |
|
if (prompt != NULL) { |
406 |
|
if (fromcombuf(inp, &x11_driver)) |
407 |
|
return; |
408 |
|
if (!x11_driver.inpready) |
409 |
< |
fputs(prompt, stdout); |
409 |
> |
std_comout(prompt); |
410 |
|
} |
411 |
+ |
#ifdef FNDELAY |
412 |
+ |
if (inpcheck == IC_READ) { /* turn off FNDELAY */ |
413 |
+ |
if (fcntl(fileno(stdin), F_SETFL, 0) < 0) { |
414 |
+ |
eputs("cannot change input mode\n"); |
415 |
+ |
quit(1); |
416 |
+ |
} |
417 |
+ |
inpcheck = IC_IOCTL; |
418 |
+ |
} |
419 |
+ |
#endif |
420 |
|
if (gets(inp) == NULL) { |
421 |
|
strcpy(inp, "quit"); |
422 |
|
return; |
427 |
|
} |
428 |
|
|
429 |
|
|
430 |
< |
static |
431 |
< |
std_comout(outp) /* write out string to stdout */ |
432 |
< |
char *outp; |
430 |
> |
static void |
431 |
> |
std_comout( /* write out string to stdout */ |
432 |
> |
char *outp |
433 |
> |
) |
434 |
|
{ |
435 |
|
fputs(outp, stdout); |
436 |
|
fflush(stdout); |
438 |
|
|
439 |
|
|
440 |
|
static int |
441 |
< |
x11_getcur(xp, yp) /* get cursor position */ |
442 |
< |
int *xp, *yp; |
441 |
> |
x11_getcur( /* get cursor position */ |
442 |
> |
int *xp, |
443 |
> |
int *yp |
444 |
> |
) |
445 |
|
{ |
446 |
|
while (XGrabPointer(ourdisplay, gwind, True, ButtonPressMask, |
447 |
|
GrabModeAsync, GrabModeAsync, None, pickcursor, |
468 |
|
} |
469 |
|
|
470 |
|
|
471 |
< |
static |
472 |
< |
xnewcolr(ndx, r, g, b) /* enter a color into hardware table */ |
473 |
< |
int ndx; |
474 |
< |
int r, g, b; |
471 |
> |
static void |
472 |
> |
xnewcolr( /* enter a color into hardware table */ |
473 |
> |
int ndx, |
474 |
> |
int r, |
475 |
> |
int g, |
476 |
> |
int b |
477 |
> |
) |
478 |
|
{ |
479 |
|
XColor xcolor; |
480 |
|
|
489 |
|
|
490 |
|
|
491 |
|
static int |
492 |
< |
getpixels() /* get the color map */ |
492 |
> |
getpixels(void) /* get the color map */ |
493 |
|
{ |
494 |
|
XColor thiscolor; |
495 |
|
register int i, j; |
511 |
|
return(ncolors = 0); |
512 |
|
if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0,pixval,ncolors)) |
513 |
|
break; |
514 |
< |
free((char *)pixval); |
514 |
> |
free((void *)pixval); |
515 |
|
pixval = NULL; |
516 |
|
} |
517 |
|
if (pixval == NULL) { |
540 |
|
} |
541 |
|
|
542 |
|
|
543 |
< |
static |
544 |
< |
freepixels() /* free our pixels */ |
543 |
> |
static void |
544 |
> |
freepixels(void) /* free our pixels */ |
545 |
|
{ |
546 |
|
if (ncolors == 0) |
547 |
|
return; |
548 |
|
XFreeColors(ourdisplay,ourmap,pixval,ncolors,0L); |
549 |
< |
free((char *)pixval); |
549 |
> |
free((void *)pixval); |
550 |
|
pixval = NULL; |
551 |
|
ncolors = 0; |
552 |
|
if (ourmap != DefaultColormap(ourdisplay,ourscreen)) |
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 */ |
583 |
|
} |
584 |
|
|
585 |
|
|
586 |
< |
static |
587 |
< |
getevent() /* get next event */ |
586 |
> |
static void |
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 |
< |
stderr_v("Cannot allocate colors\n"); |
602 |
> |
eputs("cannot allocate colors\n"); |
603 |
|
else |
604 |
|
new_ctab(ncolors); |
605 |
+ |
} |
606 |
|
mapped = 1; |
607 |
|
break; |
608 |
|
case Expose: |
617 |
|
} |
618 |
|
|
619 |
|
|
620 |
< |
static |
621 |
< |
getkey(ekey) /* get input key */ |
622 |
< |
register XKeyPressedEvent *ekey; |
620 |
> |
static void |
621 |
> |
getkey( /* get input key */ |
622 |
> |
register XKeyPressedEvent *ekey |
623 |
> |
) |
624 |
|
{ |
625 |
|
register int n; |
626 |
|
|
631 |
|
} |
632 |
|
|
633 |
|
|
634 |
< |
static |
635 |
< |
fixwindow(eexp) /* repair damage to window */ |
636 |
< |
register XExposeEvent *eexp; |
634 |
> |
static void |
635 |
> |
fixwindow( /* repair damage to window */ |
636 |
> |
register XExposeEvent *eexp |
637 |
> |
) |
638 |
|
{ |
639 |
|
char buf[80]; |
640 |
|
|
650 |
|
} |
651 |
|
|
652 |
|
|
653 |
< |
static |
654 |
< |
resizewindow(ersz) /* resize window */ |
655 |
< |
register XConfigureEvent *ersz; |
653 |
> |
static void |
654 |
> |
resizewindow( /* resize window */ |
655 |
> |
register XConfigureEvent *ersz |
656 |
> |
) |
657 |
|
{ |
658 |
|
if (ersz->width == gwidth && ersz->height-comheight == gheight) |
659 |
|
return; |