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Added SDL_HINT_HIDAPI_IGNORE_DEVICES to specify devices that should be ignored in SDL_hid_enumerate()

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This commit is contained in:
Sam Lantinga 2022-11-05 16:44:52 -07:00
parent 297ecb706d
commit 15a9890919
7 changed files with 85 additions and 1 deletions
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13
src/hidapi/android/hid.cpp
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@ -1085,10 +1085,23 @@ int hid_init(void)
struct hid_device_info HID_API_EXPORT * HID_API_CALL hid_enumerate(unsigned short vendor_id, unsigned short product_id)
{
struct hid_device_info *root = NULL;
const char *hint = SDL_GetHint(SDL_HINT_HIDAPI_IGNORE_DEVICES);
hid_mutex_guard l( &g_DevicesMutex );
for ( hid_device_ref<CHIDDevice> pDevice = g_Devices; pDevice; pDevice = pDevice->next )
{
const hid_device_info *info = pDevice->GetDeviceInfo();
/* See if there are any devices we should skip in enumeration */
if (hint) {
char vendor_match[16], product_match[16];
SDL_snprintf(vendor_match, sizeof(vendor_match), "0x%.4x/0x0000", info->vendor_id);
SDL_snprintf(product_match, sizeof(product_match), "0x%.4x/0x%.4x", info->vendor_id, info->product_id);
if (SDL_strcasestr(hint, vendor_match) || SDL_strcasestr(hint, product_match)) {
continue;
}
}
if ( ( vendor_id == 0x0 || info->vendor_id == vendor_id ) &&
( product_id == 0x0 || info->product_id == product_id ) )
{