sys/src/9/omap/mouse.c

   1 #include "u.h"
   2 #include "../port/lib.h"
   3 #include "mem.h"
   4 #include "dat.h"
   5 #include "fns.h"
   6 #include "../port/error.h"
   7 #include "io.h"
   8
   9 #define Image   IMAGE
  10 #include <draw.h>
  11 #include <memdraw.h>
  12 #include <cursor.h>
  13 #include "screen.h"
  14
  15 static QLock mousectlqlock;
  16 static int accelerated;
  17
  18 enum
  19 {
  20         CMaccelerated,
  21         CMlinear,
  22 };
  23
  24 static Cmdtab mousectlmsg[] =
  25 {
  26         CMaccelerated,          "accelerated",          0,
  27         CMlinear,               "linear",               1,
  28 };
  29
  30
  31 static void
  32 setaccelerated(int x)
  33 {
  34         accelerated = x;
  35         mouseaccelerate(x);
  36 }
  37
  38 static void
  39 setlinear(void)
  40 {
  41         accelerated = 0;
  42         mouseaccelerate(0);
  43 }
  44
  45 void
  46 mousectl(Cmdbuf *cb)
  47 {
  48         Cmdtab *ct;
  49
  50         qlock(&mousectlqlock);
  51         if(waserror()){
  52                 qunlock(&mousectlqlock);
  53                 nexterror();
  54         }
  55         ct = lookupcmd(cb, mousectlmsg, nelem(mousectlmsg));
  56         switch(ct->index){
  57         case CMaccelerated:
  58                 setaccelerated(cb->nf == 1? 1: atoi(cb->f[1]));
  59                 break;
  60         case CMlinear:
  61                 setlinear();
  62                 break;
  63         }
  64         qunlock(&mousectlqlock);
  65         poperror();
  66 }