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#ifndef lint
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static const char RCSid[] = "$Id: x11.c,v 2.37 2024/08/05 21:54:01 greg Exp $";
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#endif
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/*
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* x11.c - driver for X-windows version 11
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*/
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#include "copyright.h"
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| 9 |
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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 /* default exponent correction */
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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 COMFN "8x13" /* command line font name */
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#define COMLH 3 /* number of command lines */
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#define COMCW 8 /* approx. character width (pixels) */
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#define COMCH 14 /* approx. character height (pixels) */
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#define ourscreen DefaultScreen(ourdisplay)
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#define ourroot RootWindow(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 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 int c_first = 0; /* first character in queue */
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static int c_last = 0; /* last character in queue */
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static GC ourgc = 0; /* our graphics context for drawing */
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static Colormap ourmap = 0; /* our color map */
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#define IC_X11 0
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#define IC_IOCTL 1
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#define IC_READ 2
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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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static dr_cominf_t std_comin;
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static dr_comoutf_t std_comout;
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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 dr_getchf_t x11_getc;
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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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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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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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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);
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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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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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/* 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, ourvinfo.depth, InputOutput, ourvinfo.visual,
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CWBackPixel|CWBorderPixel|CWColormap, &ourwinattr);
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if (gwind == 0) {
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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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/* 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|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(XEvent));
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gwidth = levptr(XExposeEvent)->width;
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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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mapped = 1;
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/* set i/o vectors */
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if (comheight) {
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x11_driver.comin = x11_comin;
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x11_driver.comout = x11_comout;
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erract[COMMAND].pf = x11_comout;
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/* doesn't work with raypcalls.c
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if (erract[WARNING].pf != NULL)
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erract[WARNING].pf = x11_errout;
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*/
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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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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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static void
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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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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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xt_close(comline);
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comline = NULL;
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}
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freepixels();
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XFreeGC(ourdisplay, ourgc);
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XDestroyWindow(ourdisplay, gwind);
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gwind = 0;
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ourgc = 0;
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XFreeCursor(ourdisplay, pickcursor);
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XCloseDisplay(ourdisplay);
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ourdisplay = NULL;
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}
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static void
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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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xres = MINWIDTH;
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if (yres < MINHEIGHT)
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yres = MINHEIGHT;
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/* resize window */
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| 259 |
if ((xres != gwidth) | (yres != gheight)) {
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XSelectInput(ourdisplay, gwind, 0);
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XResizeWindow(ourdisplay, gwind, xres, yres+comheight);
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gwidth = xres;
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gheight = yres;
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XFlush(ourdisplay);
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sleep(2); /* wait for window manager */
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XSync(ourdisplay, 1); /* discard input */
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| 267 |
}
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| 268 |
XClearWindow(ourdisplay, gwind);
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| 269 |
/* reinitialize color table */
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| 270 |
if ((ourvinfo.class == PseudoColor) | (ourvinfo.class == GrayScale)) {
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| 271 |
if (getpixels() == 0)
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eputs("cannot allocate colors\n");
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| 273 |
else
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new_ctab(ncolors);
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}
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| 276 |
/* get new command line */
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| 277 |
if (comline != NULL)
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| 278 |
xt_close(comline);
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| 279 |
if (comheight) {
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| 280 |
comline = xt_open(ourdisplay, gwind, 0, gheight, gwidth,
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| 281 |
comheight, 0, ourblack, ourwhite, COMFN);
|
| 282 |
if (comline == NULL) {
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| 283 |
eputs("cannot open command line window\n");
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| 284 |
quit(1);
|
| 285 |
}
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| 286 |
XSelectInput(ourdisplay, comline->w, ExposureMask);
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| 287 |
/* remove earmuffs */
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| 288 |
XSelectInput(ourdisplay, gwind,
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StructureNotifyMask|ExposureMask|KeyPressMask|ButtonPressMask);
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| 290 |
} else /* remove earmuffs */
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| 291 |
XSelectInput(ourdisplay, gwind,
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| 292 |
StructureNotifyMask|ExposureMask|ButtonPressMask);
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}
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| 294 |
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| 295 |
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| 296 |
static void
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x11_paintr( /* fill a rectangle */
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| 298 |
COLOR col,
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| 299 |
int xmin,
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| 300 |
int ymin,
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| 301 |
int xmax,
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| 302 |
int ymax
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| 303 |
)
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| 304 |
{
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| 305 |
unsigned long pixel;
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| 306 |
|
| 307 |
if (!mapped)
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| 308 |
return;
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| 309 |
if (ncolors > 0)
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| 310 |
pixel = pixval[get_pixel(col, xnewcolr)];
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| 311 |
else
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| 312 |
pixel = true_pixel(col);
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| 313 |
XSetForeground(ourdisplay, ourgc, pixel);
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| 314 |
XFillRectangle(ourdisplay, gwind,
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| 315 |
ourgc, xmin, gheight-ymax, xmax-xmin, ymax-ymin);
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| 316 |
}
|
| 317 |
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| 318 |
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| 319 |
static void
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| 320 |
x11_flush(void) /* flush output */
|
| 321 |
{
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| 322 |
char buf[256];
|
| 323 |
int n;
|
| 324 |
/* check for input */
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| 325 |
XNoOp(ourdisplay);
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| 326 |
n = XPending(ourdisplay); /* from X server */
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| 327 |
while (n-- > 0)
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| 328 |
getevent();
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| 329 |
#ifdef FNDELAY
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| 330 |
if (inpcheck == IC_IOCTL) { /* from stdin */
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| 331 |
#ifdef FIONREAD
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| 332 |
if (ioctl(fileno(stdin), FIONREAD, &n) < 0) {
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| 333 |
#else
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| 334 |
if (1) {
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| 335 |
#endif
|
| 336 |
if (fcntl(fileno(stdin), F_SETFL, FNDELAY) < 0) {
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| 337 |
eputs("cannot change input mode\n");
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| 338 |
quit(1);
|
| 339 |
}
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| 340 |
inpcheck = IC_READ;
|
| 341 |
} else
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| 342 |
x11_driver.inpready += n;
|
| 343 |
}
|
| 344 |
if (inpcheck == IC_READ) {
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| 345 |
n = read(fileno(stdin), buf, sizeof(buf)-1);
|
| 346 |
if (n > 0) {
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| 347 |
buf[n] = '\0';
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| 348 |
tocombuf(buf, &x11_driver);
|
| 349 |
}
|
| 350 |
}
|
| 351 |
#endif
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| 352 |
}
|
| 353 |
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| 354 |
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| 355 |
static void
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| 356 |
x11_comin( /* read in a command line */
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| 357 |
char *inp,
|
| 358 |
char *prompt
|
| 359 |
)
|
| 360 |
{
|
| 361 |
if (prompt != NULL) {
|
| 362 |
x11_flush(); /* make sure we get everything */
|
| 363 |
if (fromcombuf(inp, &x11_driver))
|
| 364 |
return;
|
| 365 |
xt_puts(prompt, comline);
|
| 366 |
}
|
| 367 |
xt_cursor(comline, TBLKCURS);
|
| 368 |
editline(inp, x11_getc, x11_comout);
|
| 369 |
xt_cursor(comline, TNOCURS);
|
| 370 |
}
|
| 371 |
|
| 372 |
|
| 373 |
static void
|
| 374 |
x11_comout( /* output a string to command line */
|
| 375 |
const char *outp
|
| 376 |
)
|
| 377 |
{
|
| 378 |
if ((comline == NULL) | (outp == NULL) || !outp[0])
|
| 379 |
return;
|
| 380 |
xt_puts(outp, comline);
|
| 381 |
if (outp[strlen(outp)-1] == '\n')
|
| 382 |
XFlush(ourdisplay);
|
| 383 |
}
|
| 384 |
|
| 385 |
|
| 386 |
static void
|
| 387 |
x11_errout( /* output an error message */
|
| 388 |
char *msg
|
| 389 |
)
|
| 390 |
{
|
| 391 |
eputs(msg); /* send to stderr also! */
|
| 392 |
x11_comout(msg);
|
| 393 |
}
|
| 394 |
|
| 395 |
|
| 396 |
static void
|
| 397 |
std_comin( /* read in command line from stdin */
|
| 398 |
char *inp,
|
| 399 |
char *prompt
|
| 400 |
)
|
| 401 |
{
|
| 402 |
int n, c;
|
| 403 |
|
| 404 |
if (prompt != NULL) {
|
| 405 |
if (fromcombuf(inp, &x11_driver))
|
| 406 |
return;
|
| 407 |
if (!x11_driver.inpready)
|
| 408 |
std_comout(prompt);
|
| 409 |
}
|
| 410 |
#ifdef FNDELAY
|
| 411 |
if (inpcheck == IC_READ) { /* turn off FNDELAY */
|
| 412 |
if (fcntl(fileno(stdin), F_SETFL, 0) < 0) {
|
| 413 |
eputs("cannot change input mode\n");
|
| 414 |
quit(1);
|
| 415 |
}
|
| 416 |
inpcheck = IC_IOCTL;
|
| 417 |
}
|
| 418 |
#endif
|
| 419 |
n = 0; /* gets() no longer exists... */
|
| 420 |
while ((c = getchar()) != EOF && c != '\n')
|
| 421 |
inp[n++] = c;
|
| 422 |
|
| 423 |
if (!n & (c == EOF)) {
|
| 424 |
strcpy(inp, "quit");
|
| 425 |
return;
|
| 426 |
}
|
| 427 |
inp[n] = '\0';
|
| 428 |
x11_driver.inpready -= n + 1;
|
| 429 |
x11_driver.inpready *= (x11_driver.inpready > 0);
|
| 430 |
}
|
| 431 |
|
| 432 |
|
| 433 |
static void
|
| 434 |
std_comout( /* write out string to stdout */
|
| 435 |
const char *outp
|
| 436 |
)
|
| 437 |
{
|
| 438 |
fputs(outp, stdout);
|
| 439 |
fflush(stdout);
|
| 440 |
}
|
| 441 |
|
| 442 |
|
| 443 |
static int
|
| 444 |
x11_getcur( /* get cursor position */
|
| 445 |
int *xp,
|
| 446 |
int *yp
|
| 447 |
)
|
| 448 |
{
|
| 449 |
while (XGrabPointer(ourdisplay, gwind, True, ButtonPressMask,
|
| 450 |
GrabModeAsync, GrabModeAsync, None, pickcursor,
|
| 451 |
CurrentTime) != GrabSuccess)
|
| 452 |
sleep(2);
|
| 453 |
|
| 454 |
do
|
| 455 |
getevent();
|
| 456 |
while (c_last <= c_first && levptr(XEvent)->type != ButtonPress);
|
| 457 |
*xp = levptr(XButtonPressedEvent)->x;
|
| 458 |
*yp = gheight-1 - levptr(XButtonPressedEvent)->y;
|
| 459 |
XUngrabPointer(ourdisplay, CurrentTime);
|
| 460 |
XFlush(ourdisplay); /* insure release */
|
| 461 |
if (c_last > c_first) /* key pressed */
|
| 462 |
return(x11_getc());
|
| 463 |
/* button pressed */
|
| 464 |
if (levptr(XButtonPressedEvent)->button == Button1)
|
| 465 |
return(MB1);
|
| 466 |
if (levptr(XButtonPressedEvent)->button == Button2)
|
| 467 |
return(MB2);
|
| 468 |
if (levptr(XButtonPressedEvent)->button == Button3)
|
| 469 |
return(MB3);
|
| 470 |
return(ABORT);
|
| 471 |
}
|
| 472 |
|
| 473 |
|
| 474 |
static void
|
| 475 |
xnewcolr( /* enter a color into hardware table */
|
| 476 |
int ndx,
|
| 477 |
int r,
|
| 478 |
int g,
|
| 479 |
int b
|
| 480 |
)
|
| 481 |
{
|
| 482 |
XColor xcolor;
|
| 483 |
|
| 484 |
xcolor.pixel = pixval[ndx];
|
| 485 |
xcolor.red = r << 8;
|
| 486 |
xcolor.green = g << 8;
|
| 487 |
xcolor.blue = b << 8;
|
| 488 |
xcolor.flags = DoRed|DoGreen|DoBlue;
|
| 489 |
|
| 490 |
XStoreColor(ourdisplay, ourmap, &xcolor);
|
| 491 |
}
|
| 492 |
|
| 493 |
|
| 494 |
static int
|
| 495 |
getpixels(void) /* get the color map */
|
| 496 |
{
|
| 497 |
XColor thiscolor;
|
| 498 |
register int i, j;
|
| 499 |
|
| 500 |
if (ncolors > 0)
|
| 501 |
return(ncolors);
|
| 502 |
if (ourvinfo.visual == DefaultVisual(ourdisplay,ourscreen)) {
|
| 503 |
ourmap = DefaultColormap(ourdisplay,ourscreen);
|
| 504 |
goto loop;
|
| 505 |
}
|
| 506 |
newmap:
|
| 507 |
ourmap = XCreateColormap(ourdisplay,gwind,ourvinfo.visual,AllocNone);
|
| 508 |
loop:
|
| 509 |
for (ncolors = ourvinfo.colormap_size;
|
| 510 |
ncolors > ourvinfo.colormap_size/3;
|
| 511 |
ncolors = ncolors*.937) {
|
| 512 |
pixval = (unsigned long *)malloc(ncolors*sizeof(unsigned long));
|
| 513 |
if (pixval == NULL)
|
| 514 |
return(ncolors = 0);
|
| 515 |
if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0,pixval,ncolors))
|
| 516 |
break;
|
| 517 |
free((void *)pixval);
|
| 518 |
pixval = NULL;
|
| 519 |
}
|
| 520 |
if (pixval == NULL) {
|
| 521 |
if (ourmap == DefaultColormap(ourdisplay,ourscreen))
|
| 522 |
goto newmap; /* try it with our map */
|
| 523 |
else
|
| 524 |
return(ncolors = 0); /* failed */
|
| 525 |
}
|
| 526 |
if (ourmap != DefaultColormap(ourdisplay,ourscreen))
|
| 527 |
for (i = 0; i < ncolors; i++) { /* reset black and white */
|
| 528 |
if (pixval[i] != ourblack && pixval[i] != ourwhite)
|
| 529 |
continue;
|
| 530 |
thiscolor.pixel = pixval[i];
|
| 531 |
thiscolor.flags = DoRed|DoGreen|DoBlue;
|
| 532 |
XQueryColor(ourdisplay,
|
| 533 |
DefaultColormap(ourdisplay,ourscreen),
|
| 534 |
&thiscolor);
|
| 535 |
XStoreColor(ourdisplay, ourmap, &thiscolor);
|
| 536 |
for (j = i; j+1 < ncolors; j++)
|
| 537 |
pixval[j] = pixval[j+1];
|
| 538 |
ncolors--;
|
| 539 |
i--;
|
| 540 |
}
|
| 541 |
XSetWindowColormap(ourdisplay, gwind, ourmap);
|
| 542 |
return(ncolors);
|
| 543 |
}
|
| 544 |
|
| 545 |
|
| 546 |
static void
|
| 547 |
freepixels(void) /* free our pixels */
|
| 548 |
{
|
| 549 |
if (ncolors == 0)
|
| 550 |
return;
|
| 551 |
XFreeColors(ourdisplay,ourmap,pixval,ncolors,0L);
|
| 552 |
free((void *)pixval);
|
| 553 |
pixval = NULL;
|
| 554 |
ncolors = 0;
|
| 555 |
if (ourmap != DefaultColormap(ourdisplay,ourscreen))
|
| 556 |
XFreeColormap(ourdisplay, ourmap);
|
| 557 |
ourmap = 0;
|
| 558 |
}
|
| 559 |
|
| 560 |
|
| 561 |
static unsigned long
|
| 562 |
true_pixel( /* return true pixel value for color */
|
| 563 |
COLOR col
|
| 564 |
)
|
| 565 |
{
|
| 566 |
unsigned long rval;
|
| 567 |
uby8 rgb[3];
|
| 568 |
|
| 569 |
map_color(rgb, col);
|
| 570 |
rval = ourvinfo.red_mask*rgb[RED]/255 & ourvinfo.red_mask;
|
| 571 |
rval |= ourvinfo.green_mask*rgb[GRN]/255 & ourvinfo.green_mask;
|
| 572 |
rval |= ourvinfo.blue_mask*rgb[BLU]/255 & ourvinfo.blue_mask;
|
| 573 |
return(rval);
|
| 574 |
}
|
| 575 |
|
| 576 |
|
| 577 |
static int
|
| 578 |
x11_getc(void) /* get a command character */
|
| 579 |
{
|
| 580 |
while (c_last <= c_first) {
|
| 581 |
c_first = c_last = 0; /* reset */
|
| 582 |
getevent(); /* wait for key */
|
| 583 |
}
|
| 584 |
x11_driver.inpready--;
|
| 585 |
return(c_queue[c_first++]);
|
| 586 |
}
|
| 587 |
|
| 588 |
|
| 589 |
static void
|
| 590 |
getevent(void) /* get next event */
|
| 591 |
{
|
| 592 |
XNextEvent(ourdisplay, levptr(XEvent));
|
| 593 |
switch (levptr(XEvent)->type) {
|
| 594 |
case ConfigureNotify:
|
| 595 |
resizewindow(levptr(XConfigureEvent));
|
| 596 |
break;
|
| 597 |
case UnmapNotify:
|
| 598 |
mapped = 0;
|
| 599 |
freepixels();
|
| 600 |
break;
|
| 601 |
case MapNotify:
|
| 602 |
if (ourvinfo.class == PseudoColor ||
|
| 603 |
ourvinfo.class == GrayScale) {
|
| 604 |
if (getpixels() == 0)
|
| 605 |
eputs("cannot allocate colors\n");
|
| 606 |
else
|
| 607 |
new_ctab(ncolors);
|
| 608 |
}
|
| 609 |
mapped = 1;
|
| 610 |
break;
|
| 611 |
case Expose:
|
| 612 |
fixwindow(levptr(XExposeEvent));
|
| 613 |
break;
|
| 614 |
case KeyPress:
|
| 615 |
getkey(levptr(XKeyPressedEvent));
|
| 616 |
break;
|
| 617 |
case ButtonPress:
|
| 618 |
break;
|
| 619 |
}
|
| 620 |
}
|
| 621 |
|
| 622 |
|
| 623 |
static void
|
| 624 |
getkey( /* get input key */
|
| 625 |
register XKeyPressedEvent *ekey
|
| 626 |
)
|
| 627 |
{
|
| 628 |
register int n;
|
| 629 |
|
| 630 |
n = XLookupString(ekey, c_queue+c_last, sizeof(c_queue)-c_last,
|
| 631 |
NULL, NULL);
|
| 632 |
c_last += n;
|
| 633 |
x11_driver.inpready += n;
|
| 634 |
}
|
| 635 |
|
| 636 |
|
| 637 |
static void
|
| 638 |
fixwindow( /* repair damage to window */
|
| 639 |
register XExposeEvent *eexp
|
| 640 |
)
|
| 641 |
{
|
| 642 |
char buf[80];
|
| 643 |
|
| 644 |
if (eexp->window == gwind) {
|
| 645 |
sprintf(buf, "repaint %d %d %d %d\n",
|
| 646 |
eexp->x, gheight - eexp->y - eexp->height,
|
| 647 |
eexp->x + eexp->width, gheight - eexp->y);
|
| 648 |
tocombuf(buf, &x11_driver);
|
| 649 |
} else if (eexp->window == comline->w) {
|
| 650 |
if (eexp->count == 0)
|
| 651 |
xt_redraw(comline);
|
| 652 |
}
|
| 653 |
}
|
| 654 |
|
| 655 |
|
| 656 |
static void
|
| 657 |
resizewindow( /* resize window */
|
| 658 |
register XConfigureEvent *ersz
|
| 659 |
)
|
| 660 |
{
|
| 661 |
if (ersz->width == gwidth && ersz->height-comheight == gheight)
|
| 662 |
return;
|
| 663 |
|
| 664 |
gwidth = ersz->width;
|
| 665 |
gheight = ersz->height-comheight;
|
| 666 |
x11_driver.xsiz = gwidth < MINWIDTH ? MINWIDTH : gwidth;
|
| 667 |
x11_driver.ysiz = gheight < MINHEIGHT ? MINHEIGHT : gheight;
|
| 668 |
|
| 669 |
tocombuf("new\n", &x11_driver);
|
| 670 |
}
|
