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Merge pull request #12579 from grant2258/touchpad

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udev fixes add pointer pressed to pointer device to allow udev users to access this device
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Autechre 2021-07-08 12:04:04 +02:00 committed by GitHub
commit 7dba607d76
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1 changed files with 44 additions and 32 deletions
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76
input/drivers/udev_input.c
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@ -112,6 +112,7 @@ typedef struct
int32_t x_rel, y_rel;
bool l, r, m, b4, b5;
bool wu, wd, whu, whd;
bool pp;
} udev_input_mouse_t;
struct udev_input_device
@ -252,7 +253,7 @@ static udev_input_mouse_t *udev_get_mouse(
static void udev_mouse_set_x(udev_input_mouse_t *mouse, int32_t x, bool abs)
{
video_viewport_t vp;
video_viewport_t vp;
if (abs)
{
@ -427,7 +428,9 @@ static void udev_handle_mouse(void *data,
case BTN_MIDDLE:
mouse->m = event->value;
break;
case BTN_TOUCH:
mouse->pp = event->value;
break;
/*case BTN_??:
mouse->b4 = event->value;
break;*/
@ -478,11 +481,14 @@ static void udev_handle_mouse(void *data,
break;
}
}
#define test_bit(array, bit) (array[bit/8] & (1<<(bit%8)))
static int udev_input_add_device(udev_input_t *udev,
enum udev_input_dev_type type, const char *devnode, device_handle_cb cb)
{
unsigned char keycaps[(KEY_MAX / 8) + 1];
unsigned char abscaps[(ABS_MAX / 8) + 1];
int has_absolutes = 0;
int fd;
struct stat st;
#if defined(HAVE_EPOLL)
@ -494,6 +500,9 @@ static int udev_input_add_device(udev_input_t *udev,
udev_input_device_t **tmp;
udev_input_device_t *device = NULL;
memset(keycaps, '\0', sizeof (keycaps));
memset(keycaps, '\0', sizeof (abscaps));
st.st_dev = 0;
if (stat(devnode, &st) < 0)
@ -520,33 +529,36 @@ static int udev_input_add_device(udev_input_t *udev,
if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof (keycaps)), keycaps) == -1)
return -1; /* gotta have some buttons! return -1 to skip error logging for this:) */
if (ioctl(fd, EVIOCGABS(ABS_X), &absinfo) >= 0)
{
if (absinfo.minimum >= absinfo.maximum )
{
device->mouse.x_min = -1;
device->mouse.x_max = -1;
}
else
{
device->mouse.x_min = absinfo.minimum;
device->mouse.x_max = absinfo.maximum;
}
}
if (ioctl(fd, EVIOCGABS(ABS_Y), &absinfo) >= 0)
if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof (abscaps)), abscaps) != -1)
{
if (absinfo.minimum >= absinfo.maximum )
{
device->mouse.y_min = -1;
device->mouse.y_max = -1;
}
else
{
device->mouse.y_min = absinfo.minimum;
device->mouse.y_max = absinfo.maximum;
}
}
if ( (test_bit(abscaps, ABS_X)) && (test_bit(abscaps, ABS_Y)) )
{
/* might be a touchpad... */
if (test_bit(keycaps, BTN_TOUCH))
{
/* touchpad, touchscreen, or tablet. */
has_absolutes = 1;
}
}
}
device->mouse.x_min = device->mouse.y_min = device->mouse.x_max = device->mouse.y_max = 0;
if (has_absolutes)
{
struct input_absinfo absinfo;
if (ioctl(fd, EVIOCGABS(ABS_X), &absinfo) == -1)
return 0;
device->mouse.x_min = absinfo.minimum;
device->mouse.x_max = absinfo.maximum;
if (ioctl(fd, EVIOCGABS(ABS_Y), &absinfo) == -1)
return 0;
device->mouse.y_min = absinfo.minimum;
device->mouse.y_max = absinfo.maximum;
}
}
tmp = ( udev_input_device_t**)realloc(udev->devices,
@ -944,7 +956,7 @@ static int16_t udev_pointer_state(udev_input_t *udev,
case RETRO_DEVICE_ID_POINTER_Y:
return udev_mouse_get_pointer_y(mouse, screen);
case RETRO_DEVICE_ID_POINTER_PRESSED:
return mouse->l;
return mouse->pp;
}
return 0;
@ -1241,10 +1253,10 @@ static bool open_devices(udev_input_t *udev,
if (fd != -1)
{
int check = udev_input_add_device(udev, type, devnode, cb);
if (!check && check != -1 )
RARCH_DBG("[udev] udev_input_add_device error : %s (%s).\n",
if (check == 0)
RARCH_LOG("[udev] udev_input_add_device error : %s (%s).\n",
devnode, strerror(errno));
else if (check != -1 && check != 0)
else if (check == 1 )
{
char ident[255];
if (ioctl(fd, EVIOCGNAME(sizeof(ident)), ident) < 0)
@ -1257,7 +1269,7 @@ static bool open_devices(udev_input_t *udev,
devnode);
device_keyboard++;
}
else
else if (type == UDEV_INPUT_MOUSE || type== UDEV_INPUT_TOUCHPAD)
{
RARCH_LOG("[udev]: Added Device mouse#%d %s (%s) .\n",
device_mouse,