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more input wip

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@623 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-12-30 16:53:18 +00:00
parent 289cd18ef0
commit 34581c95f8
5 changed files with 162 additions and 23 deletions
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98
linux/in_evdev.c
View file

@ -8,8 +8,9 @@
#include <linux/input.h>
#include <errno.h>
#include "../common/common.h"
#include "../common/input.h"
#include "event.h"
#include "in_evdev.h"
#define BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \
(1 << ((x) & (sizeof(keybits[0])*8-1))))
@ -119,3 +120,98 @@ int in_evdev_update(void *drv_data, int *binds)
return result;
}
int in_evdev_update_menu(void **data, int count)
{
const int *fds = (const int *)data;
static int result = 0;
int i, ret, fdmax = -1;
int oldresult = result;
long flags;
/* switch to blocking mode */
for (i = 0; i < count; i++) {
if (fds[i] > fdmax) fdmax = fds[i];
flags = (long)fcntl(fds[i], F_GETFL);
if ((int)flags == -1) {
perror("in_evdev: F_GETFL fcntl failed");
continue;
}
flags &= ~O_NONBLOCK;
ret = fcntl(fds[i], F_SETFL, flags);
if (ret == -1)
perror("in_evdev: F_SETFL fcntl failed");
}
while (1)
{
struct input_event ev[64];
int fd, rd;
fd_set fdset;
FD_ZERO(&fdset);
for (i = 0; i < count; i++)
FD_SET(fds[i], &fdset);
ret = select(fdmax + 1, &fdset, NULL, NULL, NULL);
if (ret == -1)
{
perror("in_evdev: select failed");
sleep(1);
return 0;
}
for (i = 0; i < count; i++)
if (FD_ISSET(fds[i], &fdset))
fd = fds[i];
rd = read(fd, ev, sizeof(ev[0]) * 64);
if (rd < (int) sizeof(ev[0])) {
perror("in_evdev: error reading");
sleep(1);
return 0;
}
#define mapkey(o,k) \
case o: \
if (ev[i].value) result |= k; \
else result &= ~k; \
break
for (i = 0; i < rd / sizeof(ev[0]); i++)
{
if (ev[i].type != EV_KEY || ev[i].value < 0 || ev[i].value > 1)
continue;
switch (ev[i].code) {
/* keyboards */
mapkey(KEY_UP, PBTN_UP);
mapkey(KEY_DOWN, PBTN_DOWN);
mapkey(KEY_LEFT, PBTN_LEFT);
mapkey(KEY_RIGHT, PBTN_RIGHT);
mapkey(KEY_ENTER, PBTN_EAST);
mapkey(KEY_ESC, PBTN_SOUTH);
}
}
#undef mapkey
if (oldresult != result) break;
}
/* switch back to non-blocking mode */
for (i = 0; i < count; i++) {
if (fds[i] > fdmax) fdmax = fds[i];
flags = (long)fcntl(fds[i], F_GETFL);
if ((int)flags == -1) {
perror("in_evdev: F_GETFL fcntl failed");
continue;
}
flags |= O_NONBLOCK;
ret = fcntl(fds[i], F_SETFL, flags);
if (ret == -1)
perror("in_evdev: F_SETFL fcntl failed");
}
return result;
}

15
linux/in_evdev.h
View file

@ -1,4 +1,19 @@
#ifdef IN_EVDEV
int in_evdev_probe(void);
void in_evdev_free(void *drv_data);
int in_evdev_bind_count(void);
int in_evdev_update(void *drv_data, int *binds);
#else
#define in_evdev_probe() -1
#define in_evdev_free(x)
#define in_evdev_bind_count() 0
#define in_evdev_update(x,y) 0
#endif
int in_evdev_update_menu(void **data, int count);