| 1 |
#ifndef lint
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| 2 |
static const char RCSid[] = "$Id: rhd_x11dbg.c,v 3.1 2003/02/22 02:07:24 greg Exp $";
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| 3 |
#endif
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| 4 |
/*
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| 5 |
* X11 driver for holodeck display.
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| 6 |
* Based on rview driver.
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| 7 |
*/
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| 8 |
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| 9 |
#include "standard.h"
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| 10 |
#include "rhd_qtree.h"
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| 11 |
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| 12 |
#include <X11/Xlib.h>
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| 13 |
#include <X11/cursorfont.h>
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| 14 |
#include <X11/Xutil.h>
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| 15 |
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| 16 |
#include "x11icon.h"
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| 17 |
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| 18 |
#ifndef FEQ
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| 19 |
#define FEQ(a,b) ((a)-(b) <= FTINY && (a)-(b) >= -FTINY)
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#endif
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| 21 |
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| 22 |
#define CTRL(c) ((c)-'@')
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| 23 |
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| 24 |
#define GAMMA 2.2 /* default gamma correction */
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| 25 |
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| 26 |
#define MOVPCT 10 /* percent distance to move */
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| 27 |
#define MOVDIR(b) ((b)==Button1 ? 1 : (b)==Button2 ? 0 : -1)
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| 28 |
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| 29 |
#define MINWIDTH 480 /* minimum graphics window width */
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#define MINHEIGHT 400 /* minimum graphics window height */
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| 31 |
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| 32 |
#define VIEWDIST 356 /* assumed viewing distance (mm) */
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| 33 |
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| 34 |
#define BORWIDTH 5 /* border width */
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| 35 |
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| 36 |
#define ourscreen DefaultScreen(ourdisplay)
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#define ourroot RootWindow(ourdisplay,ourscreen)
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| 38 |
#define ourmask (StructureNotifyMask|ExposureMask|KeyPressMask|\
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| 39 |
ButtonPressMask|ButtonReleaseMask)
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| 40 |
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| 41 |
#define levptr(etype) ((etype *)¤tevent)
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| 43 |
struct driver odev; /* global device driver structure */
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| 44 |
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| 45 |
static XEvent currentevent; /* current event */
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| 47 |
static int ncolors = 0; /* color table size */
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| 48 |
static int mapped = 0; /* window is mapped? */
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| 49 |
static unsigned long *pixval = NULL; /* allocated pixels */
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| 50 |
static unsigned long ourblack=0, ourwhite=1;
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| 52 |
static Display *ourdisplay = NULL; /* our display */
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| 53 |
static XVisualInfo ourvinfo; /* our visual information */
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static Window gwind = 0; /* our graphics window */
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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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| 58 |
static double pwidth, pheight; /* pixel dimensions (mm) */
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| 60 |
static int inpresflags; /* input result flags */
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| 61 |
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| 62 |
static int headlocked = 0; /* lock vertical motion */
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| 63 |
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static int getpixels(), xnewcolr(), freepixels(), resizewindow(),
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getevent(), getkey(), moveview(), getmove(), fixwindow();
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static unsigned long true_pixel();
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| 68 |
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| 69 |
static int
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mytmflags() /* figure out tone mapping flags */
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| 71 |
{
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| 72 |
extern char *progname;
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| 73 |
register char *cp, *tail;
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/* find basic name */
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for (cp = tail = progname; *cp; cp++)
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| 76 |
if (*cp == '/')
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tail = cp+1;
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| 78 |
for (cp = tail; *cp && *cp != '.'; cp++)
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;
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| 80 |
if (cp-tail == 3 && !strncmp(tail, "x11", 3))
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return(TM_F_CAMERA);
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| 82 |
if (cp-tail == 4 && !strncmp(tail, "x11h", 4))
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return(TM_F_HUMAN);
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error(USER, "illegal driver name");
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}
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| 87 |
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dev_open(id) /* initialize X11 driver */
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| 89 |
char *id;
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{
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| 91 |
extern char *getenv();
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| 92 |
char *gv;
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| 93 |
double gamval = GAMMA;
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int nplanes;
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XSetWindowAttributes ourwinattr;
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| 96 |
XWMHints ourxwmhints;
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XSizeHints oursizhints;
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/* set quadtree globals */
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qtMinNodesiz = 2;
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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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error(USER, "cannot open X-windows; DISPLAY variable set?\n");
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/* find a usable visual */
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nplanes = DisplayPlanes(ourdisplay, ourscreen);
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| 106 |
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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error(INTERNAL, "not enough colors\n");
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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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error(INTERNAL, "unsupported visual type\n");
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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 and tone mapping */
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if ((gv = XGetDefault(ourdisplay, "radiance", "gamma")) != NULL
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|| (gv = getenv("DISPLAY_GAMMA")) != NULL)
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gamval = atof(gv);
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if (tmInit(mytmflags(), stdprims, gamval) == NULL)
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error(SYSTEM, "not enough memory in dev_open");
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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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ourwinattr.event_mask = ourmask;
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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|CWEventMask, &ourwinattr);
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if (gwind == 0)
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error(SYSTEM, "cannot create window\n");
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XStoreName(ourdisplay, gwind, id);
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/* get graphics context */
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ourgc = XCreateGC(ourdisplay, gwind, 0, NULL);
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/* set window manager hints */
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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;
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oursizhints.flags = PMinSize;
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XSetNormalHints(ourdisplay, gwind, &oursizhints);
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/* map the window and get its size */
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XMapWindow(ourdisplay, gwind);
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dev_input();
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/* allocate our leaf pile */
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| 162 |
if (!qtAllocLeaves(DisplayWidth(ourdisplay,ourscreen) *
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| 163 |
DisplayHeight(ourdisplay,ourscreen) /
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(qtMinNodesiz*qtMinNodesiz)))
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error(SYSTEM, "insufficient memory for leaf storage");
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| 166 |
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/* figure out sensible view */
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| 168 |
pwidth = (double)DisplayWidthMM(ourdisplay, ourscreen) /
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DisplayWidth(ourdisplay, ourscreen);
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pheight = (double)DisplayHeightMM(ourdisplay, ourscreen) /
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DisplayHeight(ourdisplay, ourscreen);
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odev.v = stdview;
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odev.name = id;
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odev.v.type = VT_PER;
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odev.v.horiz = 2.*180./PI * atan(0.5/VIEWDIST*pwidth*odev.hres);
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odev.v.vert = 2.*180./PI * atan(0.5/VIEWDIST*pheight*odev.vres);
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| 177 |
odev.ifd = ConnectionNumber(ourdisplay);
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}
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| 179 |
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| 180 |
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dev_close() /* close our display */
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{
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| 183 |
freepixels();
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| 184 |
XFreeGC(ourdisplay, ourgc);
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| 185 |
XDestroyWindow(ourdisplay, gwind);
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| 186 |
gwind = 0;
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ourgc = 0;
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| 188 |
XCloseDisplay(ourdisplay);
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ourdisplay = NULL;
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qtFreeLeaves();
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tmDone(NULL);
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odev.v.type = 0;
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| 193 |
odev.hres = odev.vres = 0;
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| 194 |
odev.ifd = -1;
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}
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| 196 |
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| 197 |
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dev_view(nv) /* assign new driver view */
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| 199 |
VIEW *nv;
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| 200 |
{
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| 201 |
if (nv != &odev.v) {
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| 202 |
if (!FEQ(nv->horiz,odev.v.horiz) || /* resize window? */
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| 203 |
!FEQ(nv->vert,odev.v.vert)) {
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| 204 |
odev.hres = 2.*VIEWDIST/pwidth *
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tan(PI/180./2.*nv->horiz);
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| 206 |
odev.vres = 2.*VIEWDIST/pheight *
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tan(PI/180./2.*nv->vert);
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XResizeWindow(ourdisplay, gwind, odev.hres, odev.vres);
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}
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odev.v = *nv;
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}
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qtReplant();
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}
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dev_auxcom(cmd, args) /* process an auxiliary command */
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char *cmd, *args;
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{
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sprintf(errmsg, "%s: unknown command", cmd);
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error(COMMAND, errmsg);
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}
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| 223 |
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VIEW *
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dev_auxview(n, hvres) /* return nth auxiliary view */
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int n;
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int hvres[2];
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{
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| 229 |
if (n)
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| 230 |
return(NULL);
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hvres[0] = odev.hres; hvres[1] = odev.vres;
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| 232 |
return(&odev.v);
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}
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| 234 |
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| 235 |
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int
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dev_input() /* get X11 input */
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{
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| 239 |
inpresflags = 0;
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| 240 |
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| 241 |
do
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| 242 |
getevent();
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| 243 |
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| 244 |
while (XQLength(ourdisplay) > 0);
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| 245 |
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return(inpresflags);
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}
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| 248 |
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| 249 |
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| 250 |
dev_paintr(rgb, xmin, ymin, xmax, ymax) /* fill a rectangle */
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BYTE rgb[3];
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| 252 |
int xmin, ymin, xmax, ymax;
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| 253 |
{
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| 254 |
unsigned long pixel;
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| 255 |
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| 256 |
if (!mapped)
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| 257 |
return;
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| 258 |
if (ncolors > 0)
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| 259 |
pixel = pixval[get_pixel(rgb, xnewcolr)];
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| 260 |
else
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| 261 |
pixel = true_pixel(rgb);
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| 262 |
XSetForeground(ourdisplay, ourgc, pixel);
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| 263 |
/* XFillRectangle(ourdisplay, gwind,
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| 264 |
ourgc, xmin, odev.vres-ymax, xmax-xmin, ymax-ymin);
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| 265 |
*/
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| 266 |
xmin = (xmin+xmax)>>1;
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| 267 |
ymin = (ymin+ymax)>>1;
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| 268 |
XDrawPoint(ourdisplay, gwind, ourgc, xmin, odev.vres-ymin);
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| 269 |
}
|
| 270 |
|
| 271 |
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| 272 |
int
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| 273 |
dev_flush() /* flush output */
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| 274 |
{
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| 275 |
qtUpdate();
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| 276 |
return(XPending(ourdisplay));
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| 277 |
}
|
| 278 |
|
| 279 |
|
| 280 |
static
|
| 281 |
xnewcolr(ndx, r, g, b) /* enter a color into hardware table */
|
| 282 |
int ndx;
|
| 283 |
int r, g, b;
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| 284 |
{
|
| 285 |
XColor xcolor;
|
| 286 |
|
| 287 |
xcolor.pixel = pixval[ndx];
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| 288 |
xcolor.red = r << 8;
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| 289 |
xcolor.green = g << 8;
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| 290 |
xcolor.blue = b << 8;
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| 291 |
xcolor.flags = DoRed|DoGreen|DoBlue;
|
| 292 |
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| 293 |
XStoreColor(ourdisplay, ourmap, &xcolor);
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| 294 |
}
|
| 295 |
|
| 296 |
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| 297 |
static int
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| 298 |
getpixels() /* get the color map */
|
| 299 |
{
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| 300 |
XColor thiscolor;
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| 301 |
register int i, j;
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| 302 |
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| 303 |
if (ncolors > 0)
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| 304 |
return(ncolors);
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| 305 |
if (ourvinfo.visual == DefaultVisual(ourdisplay,ourscreen)) {
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| 306 |
ourmap = DefaultColormap(ourdisplay,ourscreen);
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| 307 |
goto loop;
|
| 308 |
}
|
| 309 |
newmap:
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| 310 |
ourmap = XCreateColormap(ourdisplay,gwind,ourvinfo.visual,AllocNone);
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| 311 |
loop:
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| 312 |
for (ncolors = ourvinfo.colormap_size;
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| 313 |
ncolors > ourvinfo.colormap_size/3;
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| 314 |
ncolors = ncolors*.937) {
|
| 315 |
pixval = (unsigned long *)malloc(ncolors*sizeof(unsigned long));
|
| 316 |
if (pixval == NULL)
|
| 317 |
return(ncolors = 0);
|
| 318 |
if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0,pixval,ncolors))
|
| 319 |
break;
|
| 320 |
free((void *)pixval);
|
| 321 |
pixval = NULL;
|
| 322 |
}
|
| 323 |
if (pixval == NULL) {
|
| 324 |
if (ourmap == DefaultColormap(ourdisplay,ourscreen))
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| 325 |
goto newmap; /* try it with our map */
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| 326 |
else
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| 327 |
return(ncolors = 0); /* failed */
|
| 328 |
}
|
| 329 |
if (ourmap != DefaultColormap(ourdisplay,ourscreen))
|
| 330 |
for (i = 0; i < ncolors; i++) { /* reset black and white */
|
| 331 |
if (pixval[i] != ourblack && pixval[i] != ourwhite)
|
| 332 |
continue;
|
| 333 |
thiscolor.pixel = pixval[i];
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| 334 |
thiscolor.flags = DoRed|DoGreen|DoBlue;
|
| 335 |
XQueryColor(ourdisplay,
|
| 336 |
DefaultColormap(ourdisplay,ourscreen),
|
| 337 |
&thiscolor);
|
| 338 |
XStoreColor(ourdisplay, ourmap, &thiscolor);
|
| 339 |
for (j = i; j+1 < ncolors; j++)
|
| 340 |
pixval[j] = pixval[j+1];
|
| 341 |
ncolors--;
|
| 342 |
i--;
|
| 343 |
}
|
| 344 |
XSetWindowColormap(ourdisplay, gwind, ourmap);
|
| 345 |
return(ncolors);
|
| 346 |
}
|
| 347 |
|
| 348 |
|
| 349 |
static
|
| 350 |
freepixels() /* free our pixels */
|
| 351 |
{
|
| 352 |
if (ncolors == 0)
|
| 353 |
return;
|
| 354 |
XFreeColors(ourdisplay,ourmap,pixval,ncolors,0L);
|
| 355 |
free((void *)pixval);
|
| 356 |
pixval = NULL;
|
| 357 |
ncolors = 0;
|
| 358 |
if (ourmap != DefaultColormap(ourdisplay,ourscreen))
|
| 359 |
XFreeColormap(ourdisplay, ourmap);
|
| 360 |
ourmap = 0;
|
| 361 |
}
|
| 362 |
|
| 363 |
|
| 364 |
static unsigned long
|
| 365 |
true_pixel(rgb) /* return true pixel value for color */
|
| 366 |
register BYTE rgb[3];
|
| 367 |
{
|
| 368 |
register unsigned long rval;
|
| 369 |
|
| 370 |
rval = ourvinfo.red_mask*rgb[RED]/255 & ourvinfo.red_mask;
|
| 371 |
rval |= ourvinfo.green_mask*rgb[GRN]/255 & ourvinfo.green_mask;
|
| 372 |
rval |= ourvinfo.blue_mask*rgb[BLU]/255 & ourvinfo.blue_mask;
|
| 373 |
return(rval);
|
| 374 |
}
|
| 375 |
|
| 376 |
|
| 377 |
static
|
| 378 |
getevent() /* get next event */
|
| 379 |
{
|
| 380 |
XNextEvent(ourdisplay, levptr(XEvent));
|
| 381 |
switch (levptr(XEvent)->type) {
|
| 382 |
case ConfigureNotify:
|
| 383 |
resizewindow(levptr(XConfigureEvent));
|
| 384 |
break;
|
| 385 |
case UnmapNotify:
|
| 386 |
mapped = 0;
|
| 387 |
freepixels();
|
| 388 |
break;
|
| 389 |
case MapNotify:
|
| 390 |
if (ourvinfo.class == PseudoColor ||
|
| 391 |
ourvinfo.class == GrayScale) {
|
| 392 |
if (getpixels() == 0)
|
| 393 |
error(SYSTEM, "cannot allocate colors\n");
|
| 394 |
new_ctab(ncolors);
|
| 395 |
}
|
| 396 |
mapped = 1;
|
| 397 |
break;
|
| 398 |
case Expose:
|
| 399 |
fixwindow(levptr(XExposeEvent));
|
| 400 |
break;
|
| 401 |
case KeyPress:
|
| 402 |
getkey(levptr(XKeyPressedEvent));
|
| 403 |
break;
|
| 404 |
case ButtonPress:
|
| 405 |
getmove(levptr(XButtonPressedEvent));
|
| 406 |
break;
|
| 407 |
}
|
| 408 |
}
|
| 409 |
|
| 410 |
|
| 411 |
static
|
| 412 |
ilclip(dp, wp) /* clip world coordinates to device */
|
| 413 |
int dp[2][2];
|
| 414 |
FVECT wp[2];
|
| 415 |
{
|
| 416 |
static FVECT vmin = {0.,0.,0.}, vmax = {1.,1.,FHUGE};
|
| 417 |
FVECT ip[2];
|
| 418 |
/* not exactly right, but who cares? */
|
| 419 |
viewloc(ip[0], &odev.v, wp[0]);
|
| 420 |
viewloc(ip[1], &odev.v, wp[1]);
|
| 421 |
if (!clip(ip[0], ip[1], vmin, vmax))
|
| 422 |
return(0);
|
| 423 |
dp[0][0] = ip[0][0]*odev.hres;
|
| 424 |
dp[0][1] = ip[0][1]*odev.vres;
|
| 425 |
dp[1][0] = ip[1][0]*odev.hres;
|
| 426 |
dp[1][1] = ip[1][1]*odev.vres;
|
| 427 |
return(1);
|
| 428 |
}
|
| 429 |
|
| 430 |
|
| 431 |
static
|
| 432 |
draw3dline(wp) /* draw 3d line in world coordinates */
|
| 433 |
FVECT wp[2];
|
| 434 |
{
|
| 435 |
int dp[2][2];
|
| 436 |
|
| 437 |
if (!ilclip(dp, wp))
|
| 438 |
return;
|
| 439 |
XDrawLine(ourdisplay, gwind, ourgc,
|
| 440 |
dp[0][0], odev.vres-1 - dp[0][1],
|
| 441 |
dp[1][0], odev.vres-1 - dp[1][1]);
|
| 442 |
}
|
| 443 |
|
| 444 |
|
| 445 |
static
|
| 446 |
draw_grids() /* draw holodeck section grids */
|
| 447 |
{
|
| 448 |
static BYTE gridrgb[3] = {0x0, 0xff, 0xff};
|
| 449 |
unsigned long pixel;
|
| 450 |
|
| 451 |
if (!mapped || odev.v.type != VT_PER)
|
| 452 |
return;
|
| 453 |
if (ncolors > 0)
|
| 454 |
pixel = pixval[get_pixel(gridrgb, xnewcolr)];
|
| 455 |
else
|
| 456 |
pixel = true_pixel(gridrgb);
|
| 457 |
XSetForeground(ourdisplay, ourgc, pixel);
|
| 458 |
/* draw each grid line */
|
| 459 |
gridlines(draw3dline);
|
| 460 |
}
|
| 461 |
|
| 462 |
|
| 463 |
static
|
| 464 |
moveview(dx, dy, move) /* move our view */
|
| 465 |
int dx, dy, move;
|
| 466 |
{
|
| 467 |
VIEW nv;
|
| 468 |
double d;
|
| 469 |
register int i, li;
|
| 470 |
/* start with old view */
|
| 471 |
nv = odev.v;
|
| 472 |
/* change view direction */
|
| 473 |
if (move) {
|
| 474 |
if ((li = qtFindLeaf(dx, dy)) < 0)
|
| 475 |
return(0); /* not on window */
|
| 476 |
for (i = 0; i < 3; i++)
|
| 477 |
nv.vdir[i] = qtL.wp[li][i] - nv.vp[i];
|
| 478 |
} else {
|
| 479 |
if (viewray(nv.vp, nv.vdir, &odev.v,
|
| 480 |
(dx+.5)/odev.hres, (dy+.5)/odev.vres) < -FTINY)
|
| 481 |
return(0); /* outside view */
|
| 482 |
}
|
| 483 |
/* move viewpoint */
|
| 484 |
if (move > 0)
|
| 485 |
for (i = 0; i < 3; i++)
|
| 486 |
nv.vp[i] += MOVPCT/100. * nv.vdir[i];
|
| 487 |
else if (move < 0)
|
| 488 |
for (i = 0; i < 3; i++)
|
| 489 |
nv.vp[i] -= MOVPCT/100. * nv.vdir[i];
|
| 490 |
if (move && headlocked) {
|
| 491 |
d = 0; /* bring head back to same height */
|
| 492 |
for (i = 0; i < 3; i++)
|
| 493 |
d += odev.v.vup[i] * (odev.v.vp[i] - nv.vp[i]);
|
| 494 |
for (i = 0; i < 3; i++)
|
| 495 |
nv.vp[i] += d * odev.v.vup[i];
|
| 496 |
}
|
| 497 |
if (setview(&nv) != NULL)
|
| 498 |
return(0); /* illegal view */
|
| 499 |
dev_view(&nv);
|
| 500 |
inpresflags |= DEV_NEWVIEW;
|
| 501 |
return(1);
|
| 502 |
}
|
| 503 |
|
| 504 |
|
| 505 |
static
|
| 506 |
getmove(ebut) /* get view change */
|
| 507 |
XButtonPressedEvent *ebut;
|
| 508 |
{
|
| 509 |
int whichbutton = ebut->button;
|
| 510 |
int oldnodesiz = qtMinNodesiz;
|
| 511 |
Window rootw, childw;
|
| 512 |
int rootx, rooty, wx, wy;
|
| 513 |
unsigned int statemask;
|
| 514 |
|
| 515 |
qtMinNodesiz = 16; /* for quicker update */
|
| 516 |
XNoOp(ourdisplay);
|
| 517 |
|
| 518 |
while (!XCheckMaskEvent(ourdisplay,
|
| 519 |
ButtonReleaseMask, levptr(XEvent))) {
|
| 520 |
|
| 521 |
if (!XQueryPointer(ourdisplay, gwind, &rootw, &childw,
|
| 522 |
&rootx, &rooty, &wx, &wy, &statemask))
|
| 523 |
break; /* on another screen */
|
| 524 |
|
| 525 |
if (!moveview(wx, odev.vres-1-wy, MOVDIR(whichbutton))) {
|
| 526 |
sleep(1);
|
| 527 |
continue;
|
| 528 |
}
|
| 529 |
XClearWindow(ourdisplay, gwind);
|
| 530 |
qtUpdate();
|
| 531 |
draw_grids();
|
| 532 |
}
|
| 533 |
if (!(inpresflags & DEV_NEWVIEW)) { /* do final motion */
|
| 534 |
whichbutton = levptr(XButtonReleasedEvent)->button;
|
| 535 |
wx = levptr(XButtonReleasedEvent)->x;
|
| 536 |
wy = levptr(XButtonReleasedEvent)->y;
|
| 537 |
moveview(wx, odev.vres-1-wy, MOVDIR(whichbutton));
|
| 538 |
}
|
| 539 |
dev_flush();
|
| 540 |
|
| 541 |
qtMinNodesiz = oldnodesiz; /* restore quadtree resolution */
|
| 542 |
}
|
| 543 |
|
| 544 |
|
| 545 |
static
|
| 546 |
getkey(ekey) /* get input key */
|
| 547 |
register XKeyPressedEvent *ekey;
|
| 548 |
{
|
| 549 |
int n;
|
| 550 |
char buf[8];
|
| 551 |
|
| 552 |
n = XLookupString(ekey, buf, sizeof(buf), NULL, NULL);
|
| 553 |
if (n != 1)
|
| 554 |
return;
|
| 555 |
switch (buf[0]) {
|
| 556 |
case 'h': /* turn on height motion lock */
|
| 557 |
headlocked = 1;
|
| 558 |
return;
|
| 559 |
case 'H': /* turn off height motion lock */
|
| 560 |
headlocked = 0;
|
| 561 |
return;
|
| 562 |
case CTRL('S'):
|
| 563 |
case 'p': /* pause computation */
|
| 564 |
inpresflags |= DEV_WAIT;
|
| 565 |
return;
|
| 566 |
case 'v': /* spit out view */
|
| 567 |
inpresflags |= DEV_PUTVIEW;
|
| 568 |
return;
|
| 569 |
case CTRL('Q'):
|
| 570 |
case '\n':
|
| 571 |
case '\r': /* resume computation */
|
| 572 |
inpresflags |= DEV_RESUME;
|
| 573 |
return;
|
| 574 |
case CTRL('R'): /* redraw screen */
|
| 575 |
if (ncolors > 0)
|
| 576 |
new_ctab(ncolors);
|
| 577 |
qtRedraw(0, 0, odev.hres, odev.vres);
|
| 578 |
return;
|
| 579 |
case CTRL('L'): /* refresh from server */
|
| 580 |
if (inpresflags & DEV_REDRAW)
|
| 581 |
return;
|
| 582 |
XClearWindow(ourdisplay, gwind);
|
| 583 |
draw_grids();
|
| 584 |
XFlush(ourdisplay);
|
| 585 |
qtCompost(100); /* unload the old tree */
|
| 586 |
if (ncolors > 0)
|
| 587 |
new_ctab(ncolors);
|
| 588 |
inpresflags |= DEV_REDRAW; /* resend values from server */
|
| 589 |
return;
|
| 590 |
case CTRL('D'):
|
| 591 |
case 'Q':
|
| 592 |
case 'q': /* quit the program */
|
| 593 |
inpresflags |= DEV_SHUTDOWN;
|
| 594 |
return;
|
| 595 |
default:
|
| 596 |
XBell(ourdisplay, 0);
|
| 597 |
return;
|
| 598 |
}
|
| 599 |
}
|
| 600 |
|
| 601 |
|
| 602 |
static
|
| 603 |
fixwindow(eexp) /* repair damage to window */
|
| 604 |
register XExposeEvent *eexp;
|
| 605 |
{
|
| 606 |
if (odev.hres == 0 || odev.vres == 0) { /* first exposure */
|
| 607 |
odev.hres = eexp->width;
|
| 608 |
odev.vres = eexp->height;
|
| 609 |
inpresflags |= DEV_NEWSIZE;
|
| 610 |
}
|
| 611 |
qtRedraw(eexp->x, odev.vres - eexp->y - eexp->height,
|
| 612 |
eexp->x + eexp->width, odev.vres - eexp->y);
|
| 613 |
}
|
| 614 |
|
| 615 |
|
| 616 |
static
|
| 617 |
resizewindow(ersz) /* resize window */
|
| 618 |
register XConfigureEvent *ersz;
|
| 619 |
{
|
| 620 |
if (ersz->width == odev.hres && ersz->height == odev.vres)
|
| 621 |
return;
|
| 622 |
|
| 623 |
odev.hres = ersz->width;
|
| 624 |
odev.vres = ersz->height;
|
| 625 |
|
| 626 |
odev.v.horiz = 2.*180./PI * atan(0.5/VIEWDIST*pwidth*odev.hres);
|
| 627 |
odev.v.vert = 2.*180./PI * atan(0.5/VIEWDIST*pheight*odev.vres);
|
| 628 |
|
| 629 |
inpresflags |= DEV_NEWSIZE|DEV_NEWVIEW;
|
| 630 |
}
|
