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xinput1_3: Introduce new find_opened_device helper. 

To look for already opened device, or available device index.

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2021-08-05 17:12:06 +02:00 committed by Alexandre Julliard
parent 6fd356e009
commit 828b9b8cc4
1 changed files with 19 additions and 20 deletions
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39
dlls/xinput1_3/hid.c
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@ -71,6 +71,20 @@ struct hid_platform_private {
static DWORD last_check = 0;
static BOOL find_opened_device(xinput_controller *devices, SP_DEVICE_INTERFACE_DETAIL_DATA_W *detail, int *free_slot)
{
struct hid_platform_private *private;
int i;
*free_slot = XUSER_MAX_COUNT;
for (i = XUSER_MAX_COUNT; i > 0; i--)
{
if (!(private = devices[i - 1].platform_private)) *free_slot = i - 1;
else if (!wcscmp(detail->DevicePath, private->device_path)) return TRUE;
}
return FALSE;
}
static void MarkUsage(struct hid_platform_private *private, WORD usage, LONG min, LONG max, USHORT bits)
{
struct axis_info info = {min, max-min, bits};
@ -219,7 +233,7 @@ void HID_find_gamepads(xinput_controller *devices)
HIDP_CAPS caps;
NTSTATUS status;
DWORD idx;
int i, open_device_idx;
int i;
idx = GetTickCount();
if ((idx - last_check) < 2000)
@ -255,24 +269,9 @@ void HID_find_gamepads(xinput_controller *devices)
if (!wcsstr(data->DevicePath, L"IG_"))
continue;
open_device_idx = -1;
for (i = 0; i < XUSER_MAX_COUNT; i++)
{
struct hid_platform_private *private = devices[i].platform_private;
if (devices[i].platform_private)
{
if (!wcscmp(data->DevicePath, private->device_path))
break;
}
else if(open_device_idx < 0)
open_device_idx = i;
}
if (i != XUSER_MAX_COUNT)
/* this device is already opened */
continue;
if (open_device_idx < 0)
/* no open device slots */
break;
if (find_opened_device(devices, data, &i)) continue; /* already opened */
if (i == XUSER_MAX_COUNT) break; /* no more slots */
device = CreateFileW(data->DevicePath, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, 0 );
if (device == INVALID_HANDLE_VALUE)
continue;
@ -286,7 +285,7 @@ void HID_find_gamepads(xinput_controller *devices)
WARN("ignoring HID device, unsupported usage page %04x\n", caps.UsagePage);
else if (caps.Usage != HID_USAGE_GENERIC_GAMEPAD && caps.Usage != HID_USAGE_GENERIC_JOYSTICK && caps.Usage != HID_USAGE_GENERIC_MULTI_AXIS_CONTROLLER)
WARN("ignoring HID device, unsupported usage %04x:%04x\n", caps.UsagePage, caps.Usage);
else if (!init_controller(&devices[open_device_idx], ppd, &caps, device, data->DevicePath))
else if (!init_controller(&devices[i], ppd, &caps, device, data->DevicePath))
WARN("ignoring HID device, failed to initialize\n");
else
goto done;