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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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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/windows/hid.c
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@@ -21,6 +21,8 @@
********************************************************/
#include "../../SDL_internal.h"
#include "SDL_hints.h"
#include <windows.h>
#ifndef _WIN32_WINNT_WIN8
@@ -371,6 +373,7 @@ struct hid_device_info HID_API_EXPORT * HID_API_CALL hid_enumerate(unsigned shor
SP_DEVICE_INTERFACE_DETAIL_DATA_A *device_interface_detail_data = NULL;
HDEVINFO device_info_set = INVALID_HANDLE_VALUE;
int device_index = 0;
const char *hint = SDL_GetHint(SDL_HINT_HIDAPI_IGNORE_DEVICES);
if (hid_init() < 0)
return NULL;
@@ -488,6 +491,16 @@ struct hid_device_info HID_API_EXPORT * HID_API_CALL hid_enumerate(unsigned shor
HidD_GetAttributes(write_handle, &attrib);
//wprintf(L"Product/Vendor: %x %x\n", attrib.ProductID, attrib.VendorID);
/* 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", attrib.VendorID);
SDL_snprintf(product_match, sizeof(product_match), "0x%.4x/0x%.4x", attrib.VendorID, attrib.ProductID);
if (SDL_strcasestr(hint, vendor_match) || SDL_strcasestr(hint, product_match)) {
continue;
}
}
/* Check the VID/PID to see if we should add this
device to the enumeration list. */
if ((vendor_id == 0x0 || attrib.VendorID == vendor_id) &&