| 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" |
| 10 |
|
|
| 11 |
+ |
#define NULL 0 |
| 12 |
+ |
|
| 13 |
|
#define M_RIGHTBUTT 0x8 |
| 14 |
|
#define M_LEFTBUTT 0x2 |
| 15 |
|
#define M_MOTION 0x1 |
| 16 |
|
|
| 17 |
< |
static int ydispsize; |
| 17 |
> |
static int xdispsize, ydispsize; |
| 18 |
|
static int crad; |
| 19 |
|
#define right_button (mouse_event & M_RIGHTBUTT) |
| 20 |
|
#define left_button (mouse_event & M_LEFTBUTT) |
| 41 |
|
extern char *bmalloc(); |
| 42 |
|
static char *imp = NULL; |
| 43 |
|
static int curx = -1, cury = -1; |
| 44 |
+ |
#define xcmin (curx-crad<0 ? 0 : curx-crad) |
| 45 |
+ |
#define ycmin (cury-crad<0 ? 0 : cury-crad) |
| 46 |
+ |
#define xcmax (curx+crad>=xdispsize ? xdispsize-1 : curx+crad) |
| 47 |
+ |
#define ycmax (cury+crad>=ydispsize ? ydispsize-1 : cury+crad) |
| 48 |
|
|
| 49 |
|
if (imp == NULL && |
| 50 |
|
(imp = bmalloc(_imagesize(0,0,2*crad+1,2*crad+1))) == NULL) { |
| 52 |
|
quit(1); |
| 53 |
|
} |
| 54 |
|
if (curx >= 0 & cury >= 0) /* clear old cursor */ |
| 55 |
< |
_putimage(curx-crad, cury-crad, imp, _GPSET); |
| 55 |
> |
_putimage(xcmin, ycmin, imp, _GPSET); |
| 56 |
|
/* record new position */ |
| 57 |
|
curx = newx; cury = newy; |
| 58 |
|
if (curx < 0 | cury < 0) |
| 59 |
|
return; /* no cursor */ |
| 60 |
|
/* save under new cursor */ |
| 61 |
< |
_getimage(newx-crad,newy-crad,newx+crad,newy+crad, imp); |
| 61 |
> |
_getimage(xcmin, ycmin, xcmax, ycmax, imp); |
| 62 |
|
/* draw new cursor */ |
| 63 |
|
_setcolor(1); |
| 64 |
< |
_rectangle(_GFILLINTERIOR, newx-crad, newy-1, newx+crad, newy+1); |
| 65 |
< |
_rectangle(_GFILLINTERIOR, newx-1, newy-crad, newx+1, newy+crad); |
| 64 |
> |
_rectangle(_GFILLINTERIOR, xcmin, cury-1, xcmax, cury+1); |
| 65 |
> |
_rectangle(_GFILLINTERIOR, curx-1, ycmin, curx+1, ycmax); |
| 66 |
|
_setcolor(0); |
| 67 |
< |
_moveto(newx-crad+1, newy); |
| 68 |
< |
_lineto(newx+crad-1, newy); |
| 69 |
< |
_moveto(newx, newy-crad+1); |
| 70 |
< |
_lineto(newx, newy+crad-1); |
| 67 |
> |
_moveto(xcmin+1, cury); |
| 68 |
> |
_lineto(xcmax-1, cury); |
| 69 |
> |
_moveto(curx, ycmin+1); |
| 70 |
> |
_lineto(curx, ycmax-1); |
| 71 |
> |
#undef xcmin |
| 72 |
> |
#undef ycmin |
| 73 |
> |
#undef xcmax |
| 74 |
> |
#undef ycmax |
| 75 |
|
} |
| 76 |
|
|
| 77 |
|
|
| 151 |
|
|
| 152 |
|
/* get relevant parameters */ |
| 153 |
|
|
| 154 |
+ |
xdispsize = dp->xsiz; |
| 155 |
|
ydispsize = dp->ysiz; |
| 156 |
|
crad = dp->ysiz/40; |
| 157 |
|
|
| 158 |
+ |
/* set screen limits */ |
| 159 |
+ |
|
| 160 |
+ |
inregs.w.ax = 0x7; /* horizontal resolution */ |
| 161 |
+ |
inregs.w.cx = 0; |
| 162 |
+ |
inregs.w.dx = xdispsize-1; |
| 163 |
+ |
int386x( 0x33, &inregs, &outregs, &sregs ); |
| 164 |
+ |
inregs.w.ax = 0x8; /* vertical resolution */ |
| 165 |
+ |
inregs.w.cx = 0; |
| 166 |
+ |
inregs.w.dx = ydispsize-1; |
| 167 |
+ |
int386x( 0x33, &inregs, &outregs, &sregs ); |
| 168 |
+ |
|
| 169 |
|
/* install watcher */ |
| 170 |
|
|
| 171 |
|
inregs.w.ax = 0xC; |
| 177 |
|
|
| 178 |
|
dp->getcur = ms_getcur; |
| 179 |
|
} |
| 180 |
+ |
|
| 181 |
+ |
void |
| 182 |
+ |
ms_gcdone( dp ) |
| 183 |
+ |
struct driver *dp; |
| 184 |
+ |
{ |
| 185 |
+ |
union REGS inregs, outregs; |
| 186 |
+ |
|
| 187 |
+ |
if (dp->getcur != ms_getcur) |
| 188 |
+ |
return; /* not installed */ |
| 189 |
+ |
|
| 190 |
+ |
dp->getcur = NULL; |
| 191 |
+ |
|
| 192 |
+ |
/* uninstall watcher */ |
| 193 |
+ |
|
| 194 |
+ |
inregs.w.ax = 0; |
| 195 |
+ |
int386 (0x33, &inregs, &outregs); |
| 196 |
+ |
} |
| 197 |
+ |
|
