mirror of
https://github.com/9fans/plan9port.git
synced 2025-01-15 11:20:03 +00:00
16a7096669
Turn window destruction into "hangup" note. Fix (?) snarf buffer management. Add latin1 keyboard translation.
122 lines
2.2 KiB
C
122 lines
2.2 KiB
C
#include "x11-inc.h"
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#include <u.h>
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#include <libc.h>
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#include <draw.h>
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#include <thread.h>
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#include <cursor.h>
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#include <mouse.h>
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#include <memdraw.h>
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#include "x11-memdraw.h"
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void
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moveto(Mousectl *m, Point pt)
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{
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xmoveto(pt);
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}
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void
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closemouse(Mousectl *mc)
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{
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if(mc == nil)
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return;
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/* postnote(PNPROC, mc->pid, "kill");
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*/
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do; while(nbrecv(mc->c, &mc->m) > 0);
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close(mc->mfd);
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close(mc->cfd);
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free(mc->file);
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chanfree(mc->c);
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chanfree(mc->resizec);
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free(mc);
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}
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int
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readmouse(Mousectl *mc)
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{
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if(mc->display)
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flushimage(mc->display, 1);
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if(recv(mc->c, &mc->m) < 0){
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fprint(2, "readmouse: %r\n");
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return -1;
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}
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return 0;
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}
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static
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void
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_ioproc(void *arg)
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{
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int one;
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ulong mask;
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Mouse m;
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Mousectl *mc;
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XEvent xevent;
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one = 1;
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mc = arg;
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threadsetname("mouseproc");
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memset(&m, 0, sizeof m);
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mc->pid = getpid();
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mask = MouseMask|ExposureMask|StructureNotifyMask;
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XSelectInput(_x.mousecon, _x.drawable, mask);
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for(;;){
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XNextEvent(_x.mousecon, &xevent);
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switch(xevent.type){
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case Expose:
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xexpose(&xevent, _x.mousecon);
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continue;
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case DestroyNotify:
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if(xdestroy(&xevent, _x.mousecon)){
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/* drain it before sending */
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/* apps that care can notice we sent a 0 */
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/* otherwise we'll have getwindow send SIGHUP */
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nbrecv(mc->resizec, 0);
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nbrecv(mc->resizec, 0);
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send(mc->resizec, 0);
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}
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continue;
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case ConfigureNotify:
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if(xconfigure(&xevent, _x.mousecon))
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nbsend(mc->resizec, &one);
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continue;
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case SelectionRequest:
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xselect(&xevent, _x.mousecon);
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continue;
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case ButtonPress:
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case ButtonRelease:
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case MotionNotify:
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if(xtoplan9mouse(_x.mousecon, &xevent, &m) < 0)
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continue;
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send(mc->c, &m);
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/*
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* mc->Mouse is updated after send so it doesn't have wrong value if we block during send.
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* This means that programs should receive into mc->Mouse (see readmouse() above) if
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* they want full synchrony.
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*/
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mc->m = m;
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break;
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}
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}
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}
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Mousectl*
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initmouse(char *file, Image *i)
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{
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Mousectl *mc;
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mc = mallocz(sizeof(Mousectl), 1);
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if(i)
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mc->display = i->display;
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mc->c = chancreate(sizeof(Mouse), 0);
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mc->resizec = chancreate(sizeof(int), 2);
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proccreate(_ioproc, mc, 16384);
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return mc;
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}
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void
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setcursor(Mousectl *mc, Cursor *c)
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{
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xsetcursor(c);
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}
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