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#include <u.h>
#include <libc.h>
#include <draw.h>
#include <memdraw.h>
#include "devdraw.h"
enum
{
Nbutton = 10
};
static int debug;
static struct
{
int b[Nbutton];
int init;
} map;
static void
initmap(void)
{
char *p;
int i;
p = getenv("mousedebug");
if(p && p[0])
debug = atoi(p);
for(i=0; i<Nbutton; i++)
map.b[i] = i;
map.init = 1;
p = getenv("mousebuttonmap");
if(p)
for(i=0; i<Nbutton && p[i]; i++)
if('0' <= p[i] && p[i] <= '9')
map.b[i] = p[i] - '1';
if(debug){
fprint(2, "mousemap: ");
for(i=0; i<Nbutton; i++)
fprint(2, " %d", 1+map.b[i]);
fprint(2, "\n");
}
}
int
mouseswap(int but)
{
int i;
int nbut;
if(!map.init)
initmap();
nbut = 0;
for(i=0; i<Nbutton; i++)
if((but&(1<<i)) && map.b[i] >= 0)
nbut |= 1<<map.b[i];
if(debug)
fprint(2, "swap %#b -> %#b\n", but, nbut);
return nbut;
}
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