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#include "x11-inc.h"
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <thread.h>
#include <cursor.h>
#include <mouse.h>
#include <memdraw.h>
#include "x11-memdraw.h"
void
moveto(Mousectl *m, Point pt)
{
xmoveto(pt);
}
void
closemouse(Mousectl *mc)
{
if(mc == nil)
return;
/* postnote(PNPROC, mc->pid, "kill");
*/
do; while(nbrecv(mc->c, &mc->m) > 0);
close(mc->mfd);
close(mc->cfd);
free(mc->file);
chanfree(mc->c);
chanfree(mc->resizec);
free(mc);
}
int
readmouse(Mousectl *mc)
{
if(mc->display)
flushimage(mc->display, 1);
if(recv(mc->c, &mc->m) < 0){
fprint(2, "readmouse: %r\n");
return -1;
}
return 0;
}
static
void
_ioproc(void *arg)
{
int one;
ulong mask;
Mouse m;
Mousectl *mc;
XEvent xevent;
one = 1;
mc = arg;
threadsetname("mouseproc");
memset(&m, 0, sizeof m);
mc->pid = getpid();
mask = MouseMask|ExposureMask|StructureNotifyMask;
XSelectInput(_x.mousecon, _x.drawable, mask);
for(;;){
XNextEvent(_x.mousecon, &xevent);
switch(xevent.type){
case Expose:
xexpose(&xevent, _x.mousecon);
continue;
case DestroyNotify:
if(xdestroy(&xevent, _x.mousecon)){
/* drain it before sending */
/* apps that care can notice we sent a 0 */
/* otherwise we'll have getwindow send SIGHUP */
nbrecv(mc->resizec, 0);
nbrecv(mc->resizec, 0);
send(mc->resizec, 0);
}
continue;
case ConfigureNotify:
if(xconfigure(&xevent, _x.mousecon))
nbsend(mc->resizec, &one);
continue;
case SelectionRequest:
xselect(&xevent, _x.mousecon);
continue;
case ButtonPress:
case ButtonRelease:
case MotionNotify:
if(xtoplan9mouse(_x.mousecon, &xevent, &m) < 0)
continue;
send(mc->c, &m);
/*
* mc->Mouse is updated after send so it doesn't have wrong value if we block during send.
* This means that programs should receive into mc->Mouse (see readmouse() above) if
* they want full synchrony.
*/
mc->m = m;
break;
}
}
}
Mousectl*
initmouse(char *file, Image *i)
{
Mousectl *mc;
mc = mallocz(sizeof(Mousectl), 1);
if(i)
mc->display = i->display;
mc->c = chancreate(sizeof(Mouse), 0);
mc->resizec = chancreate(sizeof(int), 2);
proccreate(_ioproc, mc, 16384);
return mc;
}
void
setcursor(Mousectl *mc, Cursor *c)
{
xsetcursor(c);
}
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