1 76193d7c 2003-09-30 devnull #include "x11-inc.h"
  2 76193d7c 2003-09-30 devnull #include <u.h>
  3 76193d7c 2003-09-30 devnull #include <libc.h>
  4 76193d7c 2003-09-30 devnull #include <draw.h>
  5 76193d7c 2003-09-30 devnull #include <thread.h>
  6 76193d7c 2003-09-30 devnull #include <cursor.h>
  7 76193d7c 2003-09-30 devnull #include <mouse.h>
  8 76193d7c 2003-09-30 devnull #include <memdraw.h>
  9 76193d7c 2003-09-30 devnull #include "x11-memdraw.h"
 10 76193d7c 2003-09-30 devnull 
 11 76193d7c 2003-09-30 devnull void
 12 76193d7c 2003-09-30 devnull moveto(Mousectl *m, Point pt)
 13 76193d7c 2003-09-30 devnull {
 14 76193d7c 2003-09-30 devnull 	xmoveto(pt);
 15 76193d7c 2003-09-30 devnull }
 16 76193d7c 2003-09-30 devnull 
 17 76193d7c 2003-09-30 devnull void
 18 76193d7c 2003-09-30 devnull closemouse(Mousectl *mc)
 19 76193d7c 2003-09-30 devnull {
 20 76193d7c 2003-09-30 devnull 	if(mc == nil)
 21 76193d7c 2003-09-30 devnull 		return;
 22 76193d7c 2003-09-30 devnull 
 23 76193d7c 2003-09-30 devnull /*	postnote(PNPROC, mc->pid, "kill");
 24 76193d7c 2003-09-30 devnull */
 25 76193d7c 2003-09-30 devnull 	do; while(nbrecv(mc->c, &mc->m) > 0);
 26 76193d7c 2003-09-30 devnull 	close(mc->mfd);
 27 76193d7c 2003-09-30 devnull 	close(mc->cfd);
 28 76193d7c 2003-09-30 devnull 	free(mc->file);
 29 76193d7c 2003-09-30 devnull 	chanfree(mc->c);
 30 76193d7c 2003-09-30 devnull 	chanfree(mc->resizec);
 31 76193d7c 2003-09-30 devnull 	free(mc);
 32 76193d7c 2003-09-30 devnull }
 33 76193d7c 2003-09-30 devnull 
 34 76193d7c 2003-09-30 devnull int
 35 76193d7c 2003-09-30 devnull readmouse(Mousectl *mc)
 36 76193d7c 2003-09-30 devnull {
 37 76193d7c 2003-09-30 devnull 	if(mc->display)
 38 76193d7c 2003-09-30 devnull 		flushimage(mc->display, 1);
 39 76193d7c 2003-09-30 devnull 	if(recv(mc->c, &mc->m) < 0){
 40 76193d7c 2003-09-30 devnull 		fprint(2, "readmouse: %r\n");
 41 76193d7c 2003-09-30 devnull 		return -1;
 42 76193d7c 2003-09-30 devnull 	}
 43 76193d7c 2003-09-30 devnull 	return 0;
 44 76193d7c 2003-09-30 devnull }
 45 76193d7c 2003-09-30 devnull 
 46 76193d7c 2003-09-30 devnull static
 47 76193d7c 2003-09-30 devnull void
 48 76193d7c 2003-09-30 devnull _ioproc(void *arg)
 49 76193d7c 2003-09-30 devnull {
 50 76193d7c 2003-09-30 devnull 	int one;
 51 76193d7c 2003-09-30 devnull 	Mouse m;
 52 76193d7c 2003-09-30 devnull 	Mousectl *mc;
 53 76193d7c 2003-09-30 devnull 	XEvent xevent;
 54 76193d7c 2003-09-30 devnull 
 55 76193d7c 2003-09-30 devnull 	one = 1;
 56 76193d7c 2003-09-30 devnull 	mc = arg;
 57 76193d7c 2003-09-30 devnull 	threadsetname("mouseproc");
 58 76193d7c 2003-09-30 devnull 	memset(&m, 0, sizeof m);
 59 76193d7c 2003-09-30 devnull 	mc->pid = getpid();
 60 76193d7c 2003-09-30 devnull 	for(;;){
 61 76193d7c 2003-09-30 devnull 		XSelectInput(_x.mousecon, _x.drawable, MouseMask|ExposureMask|StructureNotifyMask);
 62 76193d7c 2003-09-30 devnull 		XWindowEvent(_x.mousecon, _x.drawable, MouseMask|ExposureMask|StructureNotifyMask, &xevent);
 63 76193d7c 2003-09-30 devnull 		switch(xevent.type){
 64 76193d7c 2003-09-30 devnull 		case Expose:
 65 76193d7c 2003-09-30 devnull 			xexpose(&xevent, _x.mousecon);
 66 76193d7c 2003-09-30 devnull 			continue;
 67 76193d7c 2003-09-30 devnull 		case ConfigureNotify:
 68 76193d7c 2003-09-30 devnull 			if(xconfigure(&xevent, _x.mousecon))
 69 76193d7c 2003-09-30 devnull 				nbsend(mc->resizec, &one);
 70 76193d7c 2003-09-30 devnull 			continue;
 71 76193d7c 2003-09-30 devnull 		case ButtonPress:
 72 76193d7c 2003-09-30 devnull 		case ButtonRelease:
 73 76193d7c 2003-09-30 devnull 		case MotionNotify:
 74 76193d7c 2003-09-30 devnull 			if(xtoplan9mouse(&xevent, &m) < 0)
 75 76193d7c 2003-09-30 devnull 				continue;
 76 76193d7c 2003-09-30 devnull 			send(mc->c, &m);
 77 76193d7c 2003-09-30 devnull 			/*
 78 76193d7c 2003-09-30 devnull 			 * mc->Mouse is updated after send so it doesn't have wrong value if we block during send.
 79 76193d7c 2003-09-30 devnull 			 * This means that programs should receive into mc->Mouse (see readmouse() above) if
 80 76193d7c 2003-09-30 devnull 			 * they want full synchrony.
 81 76193d7c 2003-09-30 devnull 			 */
 82 76193d7c 2003-09-30 devnull 			mc->m = m;
 83 76193d7c 2003-09-30 devnull 			break;
 84 76193d7c 2003-09-30 devnull 		}
 85 76193d7c 2003-09-30 devnull 	}
 86 76193d7c 2003-09-30 devnull }
 87 76193d7c 2003-09-30 devnull 
 88 76193d7c 2003-09-30 devnull Mousectl*
 89 76193d7c 2003-09-30 devnull initmouse(char *file, Image *i)
 90 76193d7c 2003-09-30 devnull {
 91 76193d7c 2003-09-30 devnull 	Mousectl *mc;
 92 76193d7c 2003-09-30 devnull 
 93 76193d7c 2003-09-30 devnull 	mc = mallocz(sizeof(Mousectl), 1);
 94 76193d7c 2003-09-30 devnull 	if(i)
 95 76193d7c 2003-09-30 devnull 		mc->display = i->display;
 96 76193d7c 2003-09-30 devnull 	mc->c = chancreate(sizeof(Mouse), 0);
 97 76193d7c 2003-09-30 devnull 	mc->resizec = chancreate(sizeof(int), 2);
 98 76193d7c 2003-09-30 devnull 	proccreate(_ioproc, mc, 16384);
 99 76193d7c 2003-09-30 devnull 	return mc;
100 76193d7c 2003-09-30 devnull }
101 76193d7c 2003-09-30 devnull 
102 76193d7c 2003-09-30 devnull void
103 76193d7c 2003-09-30 devnull setcursor(Mousectl *mc, Cursor *c)
104 76193d7c 2003-09-30 devnull {
105 76193d7c 2003-09-30 devnull 	xsetcursor(c);
106 76193d7c 2003-09-30 devnull }
107 76193d7c 2003-09-30 devnull