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#define INITGUID
#include "keyboard.h"
#include "common/io.h"
#include "common/mallocHelper.h"
#include "common/windows/unicode.h"
#include <windows.h>
#include <hidsdi.h>
#include <cfgmgr32.h>
#include <devpkey.h>
const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */) {
UINT nDevices = 0;
if (GetRawInputDeviceList(NULL, &nDevices, sizeof(RAWINPUTDEVICELIST))) {
return "GetRawInputDeviceList(NULL) failed";
}
if (nDevices == 0) {
return "No HID devices found";
}
RAWINPUTDEVICELIST* FF_AUTO_FREE pRawInputDeviceList = (RAWINPUTDEVICELIST*) malloc(sizeof(RAWINPUTDEVICELIST) * nDevices);
if ((nDevices = GetRawInputDeviceList(pRawInputDeviceList, &nDevices, sizeof(RAWINPUTDEVICELIST))) == (UINT) -1) {
return "GetRawInputDeviceList(pRawInputDeviceList) failed";
}
for (UINT i = 0; i < nDevices; ++i) {
if (pRawInputDeviceList[i].dwType != RIM_TYPEKEYBOARD) {
continue;
}
HANDLE hDevice = pRawInputDeviceList[i].hDevice;
RID_DEVICE_INFO rdi;
UINT rdiSize = sizeof(rdi);
if (GetRawInputDeviceInfoW(hDevice, RIDI_DEVICEINFO, &rdi, &rdiSize) == (UINT) -1) {
continue;
}
WCHAR devName[MAX_PATH];
UINT nameSize = MAX_PATH;
if (GetRawInputDeviceInfoW(hDevice, RIDI_DEVICENAME, devName, &nameSize) == (UINT) -1) {
continue;
}
FFKeyboardDevice* device = FF_LIST_ADD(FFKeyboardDevice, *devices);
ffStrbufInit(&device->serial);
ffStrbufInit(&device->name);
wchar_t buffer[MAX_PATH];
HANDLE FF_AUTO_CLOSE_FD hHidFile = CreateFileW(devName, 0 /* must be 0 instead of GENERIC_READ */, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
if (hHidFile != INVALID_HANDLE_VALUE) {
if (HidD_GetProductString(hHidFile, buffer, (ULONG) sizeof(buffer))) {
ffStrbufSetWS(&device->name, buffer);
}
if (HidD_GetSerialNumberString(hHidFile, buffer, sizeof(buffer))) {
ffStrbufSetWS(&device->serial, buffer);
}
}
if (!device->name.length) {
// https://stackoverflow.com/a/64321096/9976392
DEVPROPTYPE propertyType;
ULONG propertySize = sizeof(buffer);
if (CM_Get_Device_Interface_PropertyW(devName, &DEVPKEY_Device_InstanceId, &propertyType, (PBYTE) buffer, &propertySize, 0) == CR_SUCCESS) {
DEVINST devInst;
if (CM_Locate_DevNodeW(&devInst, buffer, CM_LOCATE_DEVNODE_NORMAL) == CR_SUCCESS) {
propertySize = sizeof(buffer);
if (CM_Get_DevNode_PropertyW(devInst, &DEVPKEY_NAME, &propertyType, (PBYTE) buffer, &propertySize, 0) == CR_SUCCESS) {
ffStrbufSetWS(&device->name, buffer);
}
}
}
}
if (!device->name.length) {
ffStrbufSetF(&device->name, "Unknown device %04X-%04X", (unsigned) rdi.hid.dwVendorId, (unsigned) rdi.hid.dwProductId);
}
}
return NULL;
}
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