| 4 |
|
static char SCCSid[] = "$SunId$ LBL"; |
| 5 |
|
#endif |
| 6 |
|
|
| 7 |
– |
/* |
| 8 |
– |
* Microsoft Mouse handling routines |
| 9 |
– |
*/ |
| 10 |
– |
|
| 11 |
– |
#include <stdio.h> |
| 12 |
– |
#include <dos.h> |
| 7 |
|
#include <i86.h> |
| 8 |
|
#include <graph.h> |
| 9 |
|
#include "driver.h" |
| 12 |
|
#define M_LEFTBUTT 0x2 |
| 13 |
|
#define M_MOTION 0x1 |
| 14 |
|
|
| 15 |
< |
static int ydispsize; |
| 15 |
> |
static int xdispsize, ydispsize; |
| 16 |
|
static int crad; |
| 17 |
|
#define right_button (mouse_event & M_RIGHTBUTT) |
| 18 |
|
#define left_button (mouse_event & M_LEFTBUTT) |
| 27 |
|
#pragma aux mouse_handler parm [EAX] [ECX] [EDX] |
| 28 |
|
mouse_event = max; |
| 29 |
|
mouse_xpos = mcx; |
| 30 |
< |
mouse_ypos = mdx; |
| 30 |
> |
mouse_ypos = mdx * (long)ydispsize / 200; /* kludge */ |
| 31 |
|
} |
| 32 |
|
#pragma on (check_stack) |
| 33 |
|
|
| 39 |
|
extern char *bmalloc(); |
| 40 |
|
static char *imp = NULL; |
| 41 |
|
static int curx = -1, cury = -1; |
| 42 |
+ |
#define xcmin (curx-crad<0 ? 0 : curx-crad) |
| 43 |
+ |
#define ycmin (cury-crad<0 ? 0 : cury-crad) |
| 44 |
+ |
#define xcmax (curx+crad>=xdispsize ? xdispsize-1 : curx+crad) |
| 45 |
+ |
#define ycmax (cury+crad>=ydispsize ? ydispsize-1 : cury+crad) |
| 46 |
|
|
| 47 |
|
if (imp == NULL && |
| 48 |
|
(imp = bmalloc(_imagesize(0,0,2*crad+1,2*crad+1))) == NULL) { |
| 50 |
|
quit(1); |
| 51 |
|
} |
| 52 |
|
if (curx >= 0 & cury >= 0) /* clear old cursor */ |
| 53 |
< |
_putimage(curx-crad, cury-crad, imp, _GPSET); |
| 53 |
> |
_putimage(xcmin, ycmin, imp, _GPSET); |
| 54 |
|
/* record new position */ |
| 55 |
|
curx = newx; cury = newy; |
| 56 |
|
if (curx < 0 | cury < 0) |
| 57 |
|
return; /* no cursor */ |
| 58 |
|
/* save under new cursor */ |
| 59 |
< |
_getimage(newx-crad,newy-crad,newx+crad,newy+crad, imp); |
| 59 |
> |
_getimage(xcmin, ycmin, xcmax, ycmax, imp); |
| 60 |
|
/* draw new cursor */ |
| 61 |
|
_setcolor(1); |
| 62 |
< |
_rectangle(_GFILLINTERIOR, newx-crad, newy-1, newx+crad, newy+1); |
| 63 |
< |
_rectangle(_GFILLINTERIOR, newx-1, newy-crad, newx+1, newy+crad); |
| 62 |
> |
_rectangle(_GFILLINTERIOR, xcmin, cury-1, xcmax, cury+1); |
| 63 |
> |
_rectangle(_GFILLINTERIOR, curx-1, ycmin, curx+1, ycmax); |
| 64 |
|
_setcolor(0); |
| 65 |
< |
_moveto(newx-crad+1, newy); |
| 66 |
< |
_lineto(newx+crad-1, newy); |
| 67 |
< |
_moveto(newx, newy-crad+1); |
| 68 |
< |
_lineto(newx, newy+crad-1); |
| 65 |
> |
_moveto(xcmin+1, cury); |
| 66 |
> |
_lineto(xcmax-1, cury); |
| 67 |
> |
_moveto(curx, ycmin+1); |
| 68 |
> |
_lineto(curx, ycmax-1); |
| 69 |
> |
#undef xcmin |
| 70 |
> |
#undef ycmin |
| 71 |
> |
#undef xcmax |
| 72 |
> |
#undef ycmax |
| 73 |
|
} |
| 74 |
|
|
| 75 |
|
|
| 149 |
|
|
| 150 |
|
/* get relevant parameters */ |
| 151 |
|
|
| 152 |
+ |
xdispsize = dp->xsiz; |
| 153 |
|
ydispsize = dp->ysiz; |
| 154 |
|
crad = dp->ysiz/40; |
| 155 |
|
|
