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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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/* Copyright (c) 1989 Regents of the University of California */ |
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/* |
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* x11.c - driver for X-windows version 11.3 |
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* |
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* Jan 1990 |
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* x11.c - driver for X-windows version 11 |
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*/ |
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#include <stdio.h> |
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#include "copyright.h" |
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#include "standard.h" |
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#include <sys/ioctl.h> |
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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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#include <X11/Xlib.h> |
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#include <X11/cursorfont.h> |
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#include <X11/Xutil.h> |
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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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#include "x11icon.h" |
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#define GAMMA 2.2 /* exponent for color correction */ |
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#define GAMMA 2.2 /* default exponent correction */ |
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#define MINWIDTH (4*COMCW) /* minimum graphics window width */ |
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#define MINHEIGHT 16 /* minimum graphics window height */ |
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#define MINWIDTH (32*COMCW) /* minimum graphics window width */ |
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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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#define ourscreen DefaultScreen(ourdisplay) |
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#define ourroot RootWindow(ourdisplay,ourscreen) |
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#define ourwhite WhitePixel(ourdisplay,ourscreen) |
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#define ourblack BlackPixel(ourdisplay,ourscreen) |
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#define levptr(etype) ((etype *)¤tevent) |
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static XEvent currentevent; /* current event */ |
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static int ncolors = 0; /* color table size */ |
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static int *pixval = NULL; /* allocated pixels */ |
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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 Display *ourdisplay = NULL; /* our display */ |
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static XVisualInfo ourvinfo; /* our visual information */ |
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static Window gwind = 0; /* our graphics window */ |
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static Cursor pickcursor = 0; /* cursor used for picking */ |
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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 GC ourgc = 0; /* our graphics context for drawing */ |
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static Colormap ourmap; /* our color map */ |
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static Colormap ourmap = 0; /* our color map */ |
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extern char *malloc(); |
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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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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 inpcheck; /* whence to check input */ |
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static void x11_errout(char *msg); |
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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 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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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 dr_getchf_t x11_getc; |
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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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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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extern dr_initf_t x11_init; /* XXX this should be in a seperate header file */ |
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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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XSetWindowAttributes ourwinattr; |
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XWMHints ourxwmhints; |
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Pixmap bmCursorSrc, bmCursorMsk; |
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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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eputs("cannot open X-windows; DISPLAY variable set?\n"); |
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return(NULL); |
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} |
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if (DisplayPlanes(ourdisplay, ourscreen) < 4) { |
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stderr_v("not enough colors\n"); |
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return(NULL); |
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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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> |
nplanes>12?nplanes:24,TrueColor,&ourvinfo) || |
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> |
XMatchVisualInfo(ourdisplay,ourscreen, |
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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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> |
eputs("not enough colors\n"); |
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> |
return(NULL); |
| 141 |
> |
} |
| 142 |
> |
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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> |
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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> |
ourwhite = WhitePixel(ourdisplay,ourscreen); |
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} |
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ourmap = DefaultColormap(ourdisplay,ourscreen); |
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make_gmap(GAMMA); /* make color map */ |
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/* create a cursor */ |
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pickcursor = XCreateFontCursor (ourdisplay, XC_diamond_cross); |
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/* open window */ |
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gwind = XCreateSimpleWindow(ourdisplay, ourroot, 0, 0, |
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> |
/* set gamma */ |
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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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> |
#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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/* this is stupid */ |
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ourwinattr.colormap = XCreateColormap(ourdisplay, ourroot, |
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ourvinfo.visual, AllocNone); |
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gwind = XCreateWindow(ourdisplay, ourroot, 0, 0, |
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DisplayWidth(ourdisplay,ourscreen)-2*BORWIDTH, |
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DisplayHeight(ourdisplay,ourscreen)-2*BORWIDTH, |
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BORWIDTH, ourblack, ourwhite); |
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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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> |
XStoreName(ourdisplay, gwind, id); |
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/* create a cursor */ |
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pickcursor = XCreateFontCursor(ourdisplay, XC_diamond_cross); |
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ourgc = XCreateGC(ourdisplay, gwind, 0, NULL); |
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ourxwmhints.flags = InputHint; |
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> |
ourxwmhints.flags = InputHint|IconPixmapHint; |
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ourxwmhints.input = True; |
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ourxwmhints.icon_pixmap = XCreateBitmapFromData(ourdisplay, |
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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.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(XExposeEvent)); |
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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) |
| 205 |
< |
wrnvec = x11_errout; |
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> |
mapped = 1; |
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> |
/* set i/o vectors */ |
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> |
if (comheight) { |
| 206 |
> |
x11_driver.comin = x11_comin; |
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> |
x11_driver.comout = x11_comout; |
| 208 |
> |
erract[COMMAND].pf = x11_comout; |
| 209 |
> |
if (erract[WARNING].pf != NULL) |
| 210 |
> |
erract[WARNING].pf = x11_errout; |
| 211 |
> |
inpcheck = IC_X11; |
| 212 |
> |
} else { |
| 213 |
> |
x11_driver.comin = std_comin; |
| 214 |
> |
x11_driver.comout = std_comout; |
| 215 |
> |
erract[COMMAND].pf = std_comout; |
| 216 |
> |
inpcheck = IC_IOCTL; |
| 217 |
> |
} |
| 218 |
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return(&x11_driver); |
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} |
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< |
static |
| 223 |
< |
x11_close() /* close our display */ |
| 222 |
> |
static void |
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> |
x11_close(void) /* close our display */ |
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{ |
| 225 |
< |
cmdvec = NULL; /* reset error vectors */ |
| 226 |
< |
if (wrnvec != NULL) |
| 227 |
< |
wrnvec = stderr_v; |
| 225 |
> |
erract[COMMAND].pf = NULL; /* reset error vectors */ |
| 226 |
> |
if (erract[WARNING].pf != NULL) |
| 227 |
> |
erract[WARNING].pf = wputs; |
| 228 |
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if (ourdisplay == NULL) |
| 229 |
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return; |
| 230 |
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if (comline != NULL) { |
| 231 |
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xt_close(comline); |
| 232 |
|
comline = NULL; |
| 233 |
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} |
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– |
if (gwind != 0) { |
| 141 |
– |
XFreeGC(ourdisplay, ourgc); |
| 142 |
– |
XDestroyWindow(ourdisplay, gwind); |
| 143 |
– |
gwind = 0; |
| 144 |
– |
ourgc = 0; |
| 145 |
– |
} |
| 146 |
– |
XFreeCursor(ourdisplay, pickcursor); |
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freepixels(); |
| 235 |
+ |
XFreeGC(ourdisplay, ourgc); |
| 236 |
+ |
XDestroyWindow(ourdisplay, gwind); |
| 237 |
+ |
gwind = 0; |
| 238 |
+ |
ourgc = 0; |
| 239 |
+ |
XFreeCursor(ourdisplay, pickcursor); |
| 240 |
|
XCloseDisplay(ourdisplay); |
| 241 |
|
ourdisplay = NULL; |
| 242 |
|
} |
| 243 |
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| 244 |
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|
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< |
static |
| 246 |
< |
x11_clear(xres, yres) /* clear our display */ |
| 247 |
< |
int xres, yres; |
| 245 |
> |
static void |
| 246 |
> |
x11_clear( /* clear our display */ |
| 247 |
> |
int xres, |
| 248 |
> |
int yres |
| 249 |
> |
) |
| 250 |
|
{ |
| 251 |
< |
if (xres != gwidth || yres != gheight) { /* change window */ |
| 252 |
< |
if (comline != NULL) |
| 253 |
< |
xt_close(comline); |
| 251 |
> |
/* check limits */ |
| 252 |
> |
if (xres < MINWIDTH) |
| 253 |
> |
xres = MINWIDTH; |
| 254 |
> |
if (yres < MINHEIGHT) |
| 255 |
> |
yres = MINHEIGHT; |
| 256 |
> |
/* resize window */ |
| 257 |
> |
if (xres != gwidth || yres != gheight) { |
| 258 |
|
XSelectInput(ourdisplay, gwind, 0); |
| 259 |
< |
XResizeWindow(ourdisplay, gwind, xres, yres+COMHEIGHT); |
| 162 |
< |
comline = xt_open(ourdisplay, |
| 163 |
< |
DefaultGC(ourdisplay,ourscreen), |
| 164 |
< |
gwind, 0, yres, xres, COMHEIGHT, 0, COMFN); |
| 165 |
< |
if (comline == NULL) { |
| 166 |
< |
stderr_v("Cannot open command line window\n"); |
| 167 |
< |
quit(1); |
| 168 |
< |
} |
| 169 |
< |
XSelectInput(ourdisplay, comline->w, ExposureMask); |
| 259 |
> |
XResizeWindow(ourdisplay, gwind, xres, yres+comheight); |
| 260 |
|
gwidth = xres; |
| 261 |
|
gheight = yres; |
| 262 |
< |
XSync(ourdisplay, 1); /* discard input */ |
| 262 |
> |
XFlush(ourdisplay); |
| 263 |
|
sleep(2); /* wait for window manager */ |
| 264 |
+ |
XSync(ourdisplay, 1); /* discard input */ |
| 265 |
|
} |
| 266 |
|
XClearWindow(ourdisplay, gwind); |
| 267 |
|
/* reinitialize color table */ |
| 268 |
< |
if (getpixels() == 0) |
| 269 |
< |
stderr_v("cannot allocate colors\n"); |
| 270 |
< |
else |
| 271 |
< |
new_ctab(ncolors); |
| 272 |
< |
|
| 273 |
< |
XSelectInput(ourdisplay, gwind, |
| 268 |
> |
if (ourvinfo.class == PseudoColor || ourvinfo.class == GrayScale) { |
| 269 |
> |
if (getpixels() == 0) |
| 270 |
> |
eputs("cannot allocate colors\n"); |
| 271 |
> |
else |
| 272 |
> |
new_ctab(ncolors); |
| 273 |
> |
} |
| 274 |
> |
/* get new command line */ |
| 275 |
> |
if (comline != NULL) |
| 276 |
> |
xt_close(comline); |
| 277 |
> |
if (comheight) { |
| 278 |
> |
comline = xt_open(ourdisplay, gwind, 0, gheight, gwidth, |
| 279 |
> |
comheight, 0, ourblack, ourwhite, COMFN); |
| 280 |
> |
if (comline == NULL) { |
| 281 |
> |
eputs("cannot open command line window\n"); |
| 282 |
> |
quit(1); |
| 283 |
> |
} |
| 284 |
> |
XSelectInput(ourdisplay, comline->w, ExposureMask); |
| 285 |
> |
/* remove earmuffs */ |
| 286 |
> |
XSelectInput(ourdisplay, gwind, |
| 287 |
|
StructureNotifyMask|ExposureMask|KeyPressMask|ButtonPressMask); |
| 288 |
+ |
} else /* remove earmuffs */ |
| 289 |
+ |
XSelectInput(ourdisplay, gwind, |
| 290 |
+ |
StructureNotifyMask|ExposureMask|ButtonPressMask); |
| 291 |
|
} |
| 292 |
|
|
| 293 |
|
|
| 294 |
< |
static |
| 295 |
< |
x11_paintr(col, xmin, ymin, xmax, ymax) /* fill a rectangle */ |
| 296 |
< |
COLOR col; |
| 297 |
< |
int xmin, ymin, xmax, ymax; |
| 294 |
> |
static void |
| 295 |
> |
x11_paintr( /* fill a rectangle */ |
| 296 |
> |
COLOR col, |
| 297 |
> |
int xmin, |
| 298 |
> |
int ymin, |
| 299 |
> |
int xmax, |
| 300 |
> |
int ymax |
| 301 |
> |
) |
| 302 |
|
{ |
| 303 |
< |
extern int xnewcolr(); /* pixel assignment routine */ |
| 303 |
> |
unsigned long pixel; |
| 304 |
|
|
| 305 |
< |
if (ncolors > 0) { |
| 306 |
< |
XSetForeground(ourdisplay, ourgc, |
| 307 |
< |
pixval[get_pixel(col, xnewcolr)]); |
| 308 |
< |
XFillRectangle(ourdisplay, gwind, |
| 309 |
< |
ourgc, xmin, gheight-ymax, xmax-xmin, ymax-ymin); |
| 310 |
< |
} |
| 305 |
> |
if (!mapped) |
| 306 |
> |
return; |
| 307 |
> |
if (ncolors > 0) |
| 308 |
> |
pixel = pixval[get_pixel(col, xnewcolr)]; |
| 309 |
> |
else |
| 310 |
> |
pixel = true_pixel(col); |
| 311 |
> |
XSetForeground(ourdisplay, ourgc, pixel); |
| 312 |
> |
XFillRectangle(ourdisplay, gwind, |
| 313 |
> |
ourgc, xmin, gheight-ymax, xmax-xmin, ymax-ymin); |
| 314 |
|
} |
| 315 |
|
|
| 316 |
|
|
| 317 |
< |
static |
| 318 |
< |
x11_flush() /* flush output */ |
| 317 |
> |
static void |
| 318 |
> |
x11_flush(void) /* flush output */ |
| 319 |
|
{ |
| 320 |
< |
if (ncolors <= 0) /* output necessary for death */ |
| 321 |
< |
XFillRectangle(ourdisplay, gwind, ourgc, 0, 0, 1 ,1); |
| 322 |
< |
while (XPending(ourdisplay) > 0) |
| 320 |
> |
char buf[256]; |
| 321 |
> |
int n; |
| 322 |
> |
/* check for input */ |
| 323 |
> |
XNoOp(ourdisplay); |
| 324 |
> |
n = XPending(ourdisplay); /* from X server */ |
| 325 |
> |
while (n-- > 0) |
| 326 |
|
getevent(); |
| 327 |
+ |
#ifdef FNDELAY |
| 328 |
+ |
if (inpcheck == IC_IOCTL) { /* from stdin */ |
| 329 |
+ |
#ifdef FIONREAD |
| 330 |
+ |
if (ioctl(fileno(stdin), FIONREAD, &n) < 0) { |
| 331 |
+ |
#else |
| 332 |
+ |
if (1) { |
| 333 |
+ |
#endif |
| 334 |
+ |
if (fcntl(fileno(stdin), F_SETFL, FNDELAY) < 0) { |
| 335 |
+ |
eputs("cannot change input mode\n"); |
| 336 |
+ |
quit(1); |
| 337 |
+ |
} |
| 338 |
+ |
inpcheck = IC_READ; |
| 339 |
+ |
} else |
| 340 |
+ |
x11_driver.inpready += n; |
| 341 |
+ |
} |
| 342 |
+ |
if (inpcheck == IC_READ) { |
| 343 |
+ |
n = read(fileno(stdin), buf, sizeof(buf)-1); |
| 344 |
+ |
if (n > 0) { |
| 345 |
+ |
buf[n] = '\0'; |
| 346 |
+ |
tocombuf(buf, &x11_driver); |
| 347 |
+ |
} |
| 348 |
+ |
} |
| 349 |
+ |
#endif |
| 350 |
|
} |
| 351 |
|
|
| 352 |
|
|
| 353 |
< |
static |
| 354 |
< |
x11_comin(inp, prompt) /* read in a command line */ |
| 355 |
< |
char *inp, *prompt; |
| 353 |
> |
static void |
| 354 |
> |
x11_comin( /* read in a command line */ |
| 355 |
> |
char *inp, |
| 356 |
> |
char *prompt |
| 357 |
> |
) |
| 358 |
|
{ |
| 359 |
< |
int x11_getc(), x11_comout(); |
| 360 |
< |
|
| 219 |
< |
if (prompt != NULL) |
| 359 |
> |
if (prompt != NULL) { |
| 360 |
> |
x11_flush(); /* make sure we get everything */ |
| 361 |
|
if (fromcombuf(inp, &x11_driver)) |
| 362 |
|
return; |
| 363 |
< |
else |
| 364 |
< |
xt_puts(prompt, comline); |
| 363 |
> |
xt_puts(prompt, comline); |
| 364 |
> |
} |
| 365 |
|
xt_cursor(comline, TBLKCURS); |
| 366 |
|
editline(inp, x11_getc, x11_comout); |
| 367 |
|
xt_cursor(comline, TNOCURS); |
| 368 |
|
} |
| 369 |
|
|
| 370 |
|
|
| 371 |
< |
static |
| 372 |
< |
x11_comout(out) /* output a string to command line */ |
| 373 |
< |
char *out; |
| 371 |
> |
static void |
| 372 |
> |
x11_comout( /* output a string to command line */ |
| 373 |
> |
char *outp |
| 374 |
> |
) |
| 375 |
|
{ |
| 376 |
< |
if (comline != NULL) |
| 377 |
< |
xt_puts(out, comline); |
| 378 |
< |
XFlush(ourdisplay); |
| 376 |
> |
if (comline == NULL || outp == NULL || !outp[0]) |
| 377 |
> |
return; |
| 378 |
> |
xt_puts(outp, comline); |
| 379 |
> |
if (outp[strlen(outp)-1] == '\n') |
| 380 |
> |
XFlush(ourdisplay); |
| 381 |
|
} |
| 382 |
|
|
| 383 |
|
|
| 384 |
< |
static |
| 385 |
< |
x11_errout(msg) /* output an error message */ |
| 386 |
< |
char *msg; |
| 384 |
> |
static void |
| 385 |
> |
x11_errout( /* output an error message */ |
| 386 |
> |
char *msg |
| 387 |
> |
) |
| 388 |
|
{ |
| 389 |
+ |
eputs(msg); /* send to stderr also! */ |
| 390 |
|
x11_comout(msg); |
| 245 |
– |
stderr_v(msg); /* send to stderr also! */ |
| 391 |
|
} |
| 392 |
|
|
| 393 |
|
|
| 394 |
+ |
static void |
| 395 |
+ |
std_comin( /* read in command line from stdin */ |
| 396 |
+ |
char *inp, |
| 397 |
+ |
char *prompt |
| 398 |
+ |
) |
| 399 |
+ |
{ |
| 400 |
+ |
if (prompt != NULL) { |
| 401 |
+ |
if (fromcombuf(inp, &x11_driver)) |
| 402 |
+ |
return; |
| 403 |
+ |
if (!x11_driver.inpready) |
| 404 |
+ |
std_comout(prompt); |
| 405 |
+ |
} |
| 406 |
+ |
#ifdef FNDELAY |
| 407 |
+ |
if (inpcheck == IC_READ) { /* turn off FNDELAY */ |
| 408 |
+ |
if (fcntl(fileno(stdin), F_SETFL, 0) < 0) { |
| 409 |
+ |
eputs("cannot change input mode\n"); |
| 410 |
+ |
quit(1); |
| 411 |
+ |
} |
| 412 |
+ |
inpcheck = IC_IOCTL; |
| 413 |
+ |
} |
| 414 |
+ |
#endif |
| 415 |
+ |
if (gets(inp) == NULL) { |
| 416 |
+ |
strcpy(inp, "quit"); |
| 417 |
+ |
return; |
| 418 |
+ |
} |
| 419 |
+ |
x11_driver.inpready -= strlen(inp) + 1; |
| 420 |
+ |
if (x11_driver.inpready < 0) |
| 421 |
+ |
x11_driver.inpready = 0; |
| 422 |
+ |
} |
| 423 |
+ |
|
| 424 |
+ |
|
| 425 |
+ |
static void |
| 426 |
+ |
std_comout( /* write out string to stdout */ |
| 427 |
+ |
char *outp |
| 428 |
+ |
) |
| 429 |
+ |
{ |
| 430 |
+ |
fputs(outp, stdout); |
| 431 |
+ |
fflush(stdout); |
| 432 |
+ |
} |
| 433 |
+ |
|
| 434 |
+ |
|
| 435 |
|
static int |
| 436 |
< |
x11_getcur(xp, yp) /* get cursor position */ |
| 437 |
< |
int *xp, *yp; |
| 436 |
> |
x11_getcur( /* get cursor position */ |
| 437 |
> |
int *xp, |
| 438 |
> |
int *yp |
| 439 |
> |
) |
| 440 |
|
{ |
| 441 |
|
while (XGrabPointer(ourdisplay, gwind, True, ButtonPressMask, |
| 442 |
|
GrabModeAsync, GrabModeAsync, None, pickcursor, |
| 453 |
|
if (c_last > c_first) /* key pressed */ |
| 454 |
|
return(x11_getc()); |
| 455 |
|
/* button pressed */ |
| 456 |
< |
if (levptr(XButtonPressedEvent)->button & Button1) |
| 456 |
> |
if (levptr(XButtonPressedEvent)->button == Button1) |
| 457 |
|
return(MB1); |
| 458 |
< |
if (levptr(XButtonPressedEvent)->button & Button2) |
| 458 |
> |
if (levptr(XButtonPressedEvent)->button == Button2) |
| 459 |
|
return(MB2); |
| 460 |
< |
if (levptr(XButtonPressedEvent)->button & Button3) |
| 460 |
> |
if (levptr(XButtonPressedEvent)->button == Button3) |
| 461 |
|
return(MB3); |
| 274 |
– |
if (levptr(XButtonPressedEvent)->button & (Button4|Button5)) |
| 275 |
– |
return(MB1); |
| 462 |
|
return(ABORT); |
| 463 |
|
} |
| 464 |
|
|
| 465 |
|
|
| 466 |
< |
static |
| 467 |
< |
xnewcolr(ndx, r, g, b) /* enter a color into hardware table */ |
| 468 |
< |
int ndx; |
| 469 |
< |
int r, g, b; |
| 466 |
> |
static void |
| 467 |
> |
xnewcolr( /* enter a color into hardware table */ |
| 468 |
> |
int ndx, |
| 469 |
> |
int r, |
| 470 |
> |
int g, |
| 471 |
> |
int b |
| 472 |
> |
) |
| 473 |
|
{ |
| 474 |
|
XColor xcolor; |
| 475 |
|
|
| 484 |
|
|
| 485 |
|
|
| 486 |
|
static int |
| 487 |
< |
getpixels() /* get the color map */ |
| 487 |
> |
getpixels(void) /* get the color map */ |
| 488 |
|
{ |
| 489 |
< |
Visual *ourvis = DefaultVisual(ourdisplay,ourscreen); |
| 489 |
> |
XColor thiscolor; |
| 490 |
> |
register int i, j; |
| 491 |
|
|
| 492 |
|
if (ncolors > 0) |
| 493 |
|
return(ncolors); |
| 494 |
< |
for (ncolors=(ourvis->map_entries)-3; ncolors>12; ncolors=ncolors*.937){ |
| 495 |
< |
pixval = (int *)malloc(ncolors*sizeof(int)); |
| 494 |
> |
if (ourvinfo.visual == DefaultVisual(ourdisplay,ourscreen)) { |
| 495 |
> |
ourmap = DefaultColormap(ourdisplay,ourscreen); |
| 496 |
> |
goto loop; |
| 497 |
> |
} |
| 498 |
> |
newmap: |
| 499 |
> |
ourmap = XCreateColormap(ourdisplay,gwind,ourvinfo.visual,AllocNone); |
| 500 |
> |
loop: |
| 501 |
> |
for (ncolors = ourvinfo.colormap_size; |
| 502 |
> |
ncolors > ourvinfo.colormap_size/3; |
| 503 |
> |
ncolors = ncolors*.937) { |
| 504 |
> |
pixval = (unsigned long *)malloc(ncolors*sizeof(unsigned long)); |
| 505 |
|
if (pixval == NULL) |
| 506 |
+ |
return(ncolors = 0); |
| 507 |
+ |
if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0,pixval,ncolors)) |
| 508 |
|
break; |
| 509 |
< |
if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0, |
| 510 |
< |
pixval,ncolors) != 0) |
| 310 |
< |
return(ncolors); |
| 311 |
< |
free((char *)pixval); |
| 509 |
> |
free((void *)pixval); |
| 510 |
> |
pixval = NULL; |
| 511 |
|
} |
| 512 |
< |
return(ncolors = 0); |
| 512 |
> |
if (pixval == NULL) { |
| 513 |
> |
if (ourmap == DefaultColormap(ourdisplay,ourscreen)) |
| 514 |
> |
goto newmap; /* try it with our map */ |
| 515 |
> |
else |
| 516 |
> |
return(ncolors = 0); /* failed */ |
| 517 |
> |
} |
| 518 |
> |
if (ourmap != DefaultColormap(ourdisplay,ourscreen)) |
| 519 |
> |
for (i = 0; i < ncolors; i++) { /* reset black and white */ |
| 520 |
> |
if (pixval[i] != ourblack && pixval[i] != ourwhite) |
| 521 |
> |
continue; |
| 522 |
> |
thiscolor.pixel = pixval[i]; |
| 523 |
> |
thiscolor.flags = DoRed|DoGreen|DoBlue; |
| 524 |
> |
XQueryColor(ourdisplay, |
| 525 |
> |
DefaultColormap(ourdisplay,ourscreen), |
| 526 |
> |
&thiscolor); |
| 527 |
> |
XStoreColor(ourdisplay, ourmap, &thiscolor); |
| 528 |
> |
for (j = i; j+1 < ncolors; j++) |
| 529 |
> |
pixval[j] = pixval[j+1]; |
| 530 |
> |
ncolors--; |
| 531 |
> |
i--; |
| 532 |
> |
} |
| 533 |
> |
XSetWindowColormap(ourdisplay, gwind, ourmap); |
| 534 |
> |
return(ncolors); |
| 535 |
|
} |
| 536 |
|
|
| 537 |
|
|
| 538 |
< |
static |
| 539 |
< |
freepixels() /* free our pixels */ |
| 538 |
> |
static void |
| 539 |
> |
freepixels(void) /* free our pixels */ |
| 540 |
|
{ |
| 541 |
|
if (ncolors == 0) |
| 542 |
|
return; |
| 543 |
|
XFreeColors(ourdisplay,ourmap,pixval,ncolors,0L); |
| 544 |
+ |
free((void *)pixval); |
| 545 |
+ |
pixval = NULL; |
| 546 |
|
ncolors = 0; |
| 547 |
+ |
if (ourmap != DefaultColormap(ourdisplay,ourscreen)) |
| 548 |
+ |
XFreeColormap(ourdisplay, ourmap); |
| 549 |
+ |
ourmap = 0; |
| 550 |
|
} |
| 551 |
|
|
| 552 |
|
|
| 553 |
+ |
static unsigned long |
| 554 |
+ |
true_pixel( /* return true pixel value for color */ |
| 555 |
+ |
COLOR col |
| 556 |
+ |
) |
| 557 |
+ |
{ |
| 558 |
+ |
unsigned long rval; |
| 559 |
+ |
BYTE rgb[3]; |
| 560 |
+ |
|
| 561 |
+ |
map_color(rgb, col); |
| 562 |
+ |
rval = ourvinfo.red_mask*rgb[RED]/255 & ourvinfo.red_mask; |
| 563 |
+ |
rval |= ourvinfo.green_mask*rgb[GRN]/255 & ourvinfo.green_mask; |
| 564 |
+ |
rval |= ourvinfo.blue_mask*rgb[BLU]/255 & ourvinfo.blue_mask; |
| 565 |
+ |
return(rval); |
| 566 |
+ |
} |
| 567 |
+ |
|
| 568 |
+ |
|
| 569 |
|
static int |
| 570 |
< |
x11_getc() /* get a command character */ |
| 570 |
> |
x11_getc(void) /* get a command character */ |
| 571 |
|
{ |
| 572 |
|
while (c_last <= c_first) { |
| 573 |
|
c_first = c_last = 0; /* reset */ |
| 578 |
|
} |
| 579 |
|
|
| 580 |
|
|
| 581 |
< |
static |
| 582 |
< |
getevent() /* get next event */ |
| 581 |
> |
static void |
| 582 |
> |
getevent(void) /* get next event */ |
| 583 |
|
{ |
| 584 |
|
XNextEvent(ourdisplay, levptr(XEvent)); |
| 585 |
|
switch (levptr(XEvent)->type) { |
| 587 |
|
resizewindow(levptr(XConfigureEvent)); |
| 588 |
|
break; |
| 589 |
|
case UnmapNotify: |
| 590 |
+ |
mapped = 0; |
| 591 |
|
freepixels(); |
| 592 |
|
break; |
| 593 |
|
case MapNotify: |
| 594 |
< |
if (getpixels() == 0) |
| 595 |
< |
stderr_v("Cannot allocate colors\n"); |
| 596 |
< |
else |
| 597 |
< |
new_ctab(ncolors); |
| 594 |
> |
if (ourvinfo.class == PseudoColor || |
| 595 |
> |
ourvinfo.class == GrayScale) { |
| 596 |
> |
if (getpixels() == 0) |
| 597 |
> |
eputs("cannot allocate colors\n"); |
| 598 |
> |
else |
| 599 |
> |
new_ctab(ncolors); |
| 600 |
> |
} |
| 601 |
> |
mapped = 1; |
| 602 |
|
break; |
| 603 |
|
case Expose: |
| 604 |
|
fixwindow(levptr(XExposeEvent)); |
| 612 |
|
} |
| 613 |
|
|
| 614 |
|
|
| 615 |
< |
static |
| 616 |
< |
getkey(ekey) /* get input key */ |
| 617 |
< |
register XKeyPressedEvent *ekey; |
| 615 |
> |
static void |
| 616 |
> |
getkey( /* get input key */ |
| 617 |
> |
register XKeyPressedEvent *ekey |
| 618 |
> |
) |
| 619 |
|
{ |
| 620 |
< |
c_last += XLookupString(ekey, c_queue+c_last, sizeof(c_queue)-c_last, |
| 620 |
> |
register int n; |
| 621 |
> |
|
| 622 |
> |
n = XLookupString(ekey, c_queue+c_last, sizeof(c_queue)-c_last, |
| 623 |
|
NULL, NULL); |
| 624 |
< |
x11_driver.inpready = c_last-c_first; |
| 624 |
> |
c_last += n; |
| 625 |
> |
x11_driver.inpready += n; |
| 626 |
|
} |
| 627 |
|
|
| 628 |
|
|
| 629 |
< |
static |
| 630 |
< |
fixwindow(eexp) /* repair damage to window */ |
| 631 |
< |
register XExposeEvent *eexp; |
| 629 |
> |
static void |
| 630 |
> |
fixwindow( /* repair damage to window */ |
| 631 |
> |
register XExposeEvent *eexp |
| 632 |
> |
) |
| 633 |
|
{ |
| 634 |
+ |
char buf[80]; |
| 635 |
+ |
|
| 636 |
|
if (eexp->window == gwind) { |
| 637 |
< |
sprintf(getcombuf(&x11_driver), "repaint %d %d %d %d\n", |
| 637 |
> |
sprintf(buf, "repaint %d %d %d %d\n", |
| 638 |
|
eexp->x, gheight - eexp->y - eexp->height, |
| 639 |
|
eexp->x + eexp->width, gheight - eexp->y); |
| 640 |
+ |
tocombuf(buf, &x11_driver); |
| 641 |
|
} else if (eexp->window == comline->w) { |
| 642 |
|
if (eexp->count == 0) |
| 643 |
|
xt_redraw(comline); |
| 645 |
|
} |
| 646 |
|
|
| 647 |
|
|
| 648 |
< |
static |
| 649 |
< |
resizewindow(ersz) /* resize window */ |
| 650 |
< |
register XConfigureEvent *ersz; |
| 648 |
> |
static void |
| 649 |
> |
resizewindow( /* resize window */ |
| 650 |
> |
register XConfigureEvent *ersz |
| 651 |
> |
) |
| 652 |
|
{ |
| 653 |
< |
if (ersz->width == gwidth && ersz->height-COMHEIGHT == gheight) |
| 653 |
> |
if (ersz->width == gwidth && ersz->height-comheight == gheight) |
| 654 |
|
return; |
| 655 |
|
|
| 656 |
|
gwidth = ersz->width; |
| 657 |
< |
gheight = ersz->height-COMHEIGHT; |
| 657 |
> |
gheight = ersz->height-comheight; |
| 658 |
|
x11_driver.xsiz = gwidth < MINWIDTH ? MINWIDTH : gwidth; |
| 659 |
|
x11_driver.ysiz = gheight < MINHEIGHT ? MINHEIGHT : gheight; |
| 660 |
|
|
| 661 |
< |
strcpy(getcombuf(&x11_driver), "new\n"); |
| 661 |
> |
tocombuf("new\n", &x11_driver); |
| 662 |
|
} |
