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added absolute movement for mousein

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This commit is contained in:
aiju 2011-05-09 08:48:14 +00:00
parent 22ec6165bc
commit ed3a999828
2 changed files with 46 additions and 3 deletions
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1
sys/src/9/pc/screen.h
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@ -7,6 +7,7 @@ struct Cursorinfo {
/* devmouse.c */
extern void mousetrack(int, int, int, int);
extern void absmousetrack(int, int, int, int);
extern Point mousexy(void);
extern void mouseaccelerate(int);

48
sys/src/9/port/devmouse.c
View file

@ -454,16 +454,19 @@ mousewrite(Chan *c, void *va, long n, vlong)
buf[n] = 0;
p = 0;
pt.x = strtol(buf+1, &p, 0);
if(p == 0)
if(*p == 0)
error(Eshort);
pt.y = strtol(p, &p, 0);
if(p == 0)
if(*p == 0)
error(Eshort);
b = strtol(p, &p, 0);
msec = strtol(p, &p, 0);
if(msec == 0)
msec = TK2MS(MACHP(0)->ticks);
mousetrack(pt.x, pt.y, b, msec);
if(buf[0] == 'A')
absmousetrack(pt.x, pt.y, b, msec);
else
mousetrack(pt.x, pt.y, b, msec);
return n;
case Qmouse:
@ -620,6 +623,45 @@ mousetrack(int dx, int dy, int b, int msec)
drawactive(1);
}
void
absmousetrack(int x, int y, int b, int msec)
{
int lastb;
if(gscreen==nil)
return;
if(x < gscreen->clipr.min.x)
x = gscreen->clipr.min.x;
if(x >= gscreen->clipr.max.x)
x = gscreen->clipr.max.x;
if(y < gscreen->clipr.min.y)
y = gscreen->clipr.min.y;
if(y >= gscreen->clipr.max.y)
y = gscreen->clipr.max.y;
lastb = mouse.buttons;
mouse.xy = Pt(x, y);
mouse.buttons = b|kbdbuttons;
mouse.redraw = 1;
mouse.counter++;
mouse.msec = msec;
/*
* if the queue fills, we discard the entire queue and don't
* queue any more events until a reader polls the mouse.
*/
if(!mouse.qfull && lastb != b) { /* add to ring */
mouse.queue[mouse.wi] = mouse.Mousestate;
if(++mouse.wi == nelem(mouse.queue))
mouse.wi = 0;
if(mouse.wi == mouse.ri)
mouse.qfull = 1;
}
wakeup(&mouse.r);
drawactive(1);
}
/*
* microsoft 3 button, 7 bit bytes
*