| 26 |
|
|
| 27 |
|
#define GAMMA 2.2 /* default gamma correction */ |
| 28 |
|
|
| 29 |
+ |
#define FRAMESTATE(s) (((s)&(ShiftMask|ControlMask))==(ShiftMask|ControlMask)) |
| 30 |
+ |
|
| 31 |
|
#define MOVPCT 7 /* percent distance to move /frame */ |
| 32 |
|
#define MOVDIR(b) ((b)==Button1 ? 1 : (b)==Button2 ? 0 : -1) |
| 33 |
|
#define MOVDEG (-5) /* degrees to orbit CW/down /frame */ |
| 49 |
|
|
| 50 |
|
struct driver odev; /* global device driver structure */ |
| 51 |
|
|
| 52 |
+ |
char odev_args[64]; /* command arguments */ |
| 53 |
+ |
|
| 54 |
|
static XEvent currentevent; /* current event */ |
| 55 |
|
|
| 56 |
|
static int ncolors = 0; /* color table size */ |
| 70 |
|
|
| 71 |
|
static int headlocked = 0; /* lock vertical motion */ |
| 72 |
|
|
| 73 |
< |
static int getpixels(), xnewcolr(), freepixels(), resizewindow(), |
| 73 |
> |
static int getpixels(), xnewcolr(), freepixels(), resizewindow(), getframe(), |
| 74 |
|
getevent(), getkey(), moveview(), getmove(), fixwindow(); |
| 75 |
|
static unsigned long true_pixel(); |
| 76 |
|
|
| 455 |
|
getkey(levptr(XKeyPressedEvent)); |
| 456 |
|
break; |
| 457 |
|
case ButtonPress: |
| 458 |
< |
getmove(levptr(XButtonPressedEvent)); |
| 458 |
> |
if (FRAMESTATE(levptr(XButtonPressedEvent)->state)) |
| 459 |
> |
getframe(levptr(XButtonPressedEvent)); |
| 460 |
> |
else |
| 461 |
> |
getmove(levptr(XButtonPressedEvent)); |
| 462 |
|
break; |
| 463 |
|
} |
| 464 |
|
} |
| 581 |
|
|
| 582 |
|
|
| 583 |
|
static |
| 584 |
+ |
getframe(ebut) /* get focus frame */ |
| 585 |
+ |
XButtonPressedEvent *ebut; |
| 586 |
+ |
{ |
| 587 |
+ |
int startx = ebut->x, starty = ebut->y; |
| 588 |
+ |
int endx, endy; |
| 589 |
+ |
|
| 590 |
+ |
XMaskEvent(ourdisplay, ButtonReleaseMask, levptr(XEvent)); |
| 591 |
+ |
endx = levptr(XButtonReleasedEvent)->x; |
| 592 |
+ |
endy = levptr(XButtonReleasedEvent)->y; |
| 593 |
+ |
if (endx == startx | endy == starty) { |
| 594 |
+ |
XBell(ourdisplay, 0); |
| 595 |
+ |
return; |
| 596 |
+ |
} |
| 597 |
+ |
if (endx < startx) {register int c = endx; endx = startx; startx = c;} |
| 598 |
+ |
if (endy < starty) {register int c = endy; endy = starty; starty = c;} |
| 599 |
+ |
sprintf(odev_args, "%.3f %.3f %.3f %.3f", |
| 600 |
+ |
(startx+.5)/odev.hres, 1.-(endy+.5)/odev.vres, |
| 601 |
+ |
(endx+.5)/odev.hres, 1.-(starty+.5)/odev.vres); |
| 602 |
+ |
inpresflags |= DFL(DC_FOCUS); |
| 603 |
+ |
} |
| 604 |
+ |
|
| 605 |
+ |
|
| 606 |
+ |
static |
| 607 |
|
getmove(ebut) /* get view change */ |
| 608 |
|
XButtonPressedEvent *ebut; |
| 609 |
|
{ |
| 648 |
|
getkey(ekey) /* get input key */ |
| 649 |
|
register XKeyPressedEvent *ekey; |
| 650 |
|
{ |
| 651 |
+ |
Window rootw, childw; |
| 652 |
+ |
int rootx, rooty, wx, wy; |
| 653 |
+ |
unsigned int statemask; |
| 654 |
|
int n; |
| 655 |
|
char buf[8]; |
| 656 |
|
|
| 666 |
|
return; |
| 667 |
|
case 'l': /* retrieve last view */ |
| 668 |
|
inpresflags |= DFL(DC_LASTVIEW); |
| 669 |
+ |
return; |
| 670 |
+ |
case 'f': /* frame view position */ |
| 671 |
+ |
if (!XQueryPointer(ourdisplay, gwind, &rootw, &childw, |
| 672 |
+ |
&rootx, &rooty, &wx, &wy, &statemask)) |
| 673 |
+ |
return; /* on another screen */ |
| 674 |
+ |
sprintf(odev_args, "%.4f %.4f", (wx+.5)/odev.hres, |
| 675 |
+ |
1.-(wy+.5)/odev.vres); |
| 676 |
+ |
inpresflags |= DFL(DC_FOCUS); |
| 677 |
+ |
return; |
| 678 |
+ |
case 'F': /* unfocus */ |
| 679 |
+ |
odev_args[0] = '\0'; |
| 680 |
+ |
inpresflags |= DFL(DC_FOCUS); |
| 681 |
|
return; |
| 682 |
|
case 'p': /* pause computation */ |
| 683 |
|
inpresflags |= DFL(DC_PAUSE); |
