🎉 first version KeyHook.cpp

keyEvent converter
noconvert -> .
convert -> ,

KeyHook.cpp

@@ -0,0 +1,76 @@
+#include <windows.h>
+#include <iostream>
+
+using namespace std;
+
+int KEY_CONVERT =  28;
+int KEY_CAMMA   = 188;
+
+HHOOK _hook_keyboard;
+KBDLLHOOKSTRUCT kbdStruct;
+
+/*
+ *
+*/
+
+LRESULT __stdcall HookCallbackKeyboard(int nCode, WPARAM wParam, LPARAM lParam)
+{
+  if (nCode >= 0)
+  {
+    kbdStruct = *((KBDLLHOOKSTRUCT*)lParam);
+    if(wParam == WM_KEYDOWN){
+      int keyNo = kbdStruct.vkCode;
+      char c = MapVirtualKey(kbdStruct.vkCode, 2);
+      cout << "keyCode: " << keyNo << endl;
+
+      INPUT ip;
+      ip.type = INPUT_KEYBOARD;
+      ip.ki.wScan = 0;
+      ip.ki.time = 0;
+      ip.ki.dwExtraInfo = 0;
+      ip.ki.dwFlags = 0;
+
+      if(keyNo == VK_NONCONVERT) {
+      	cout << "convert." << endl;
+        ip.ki.wVk = VK_OEM_PERIOD;
+    		SendInput(1, &ip, sizeof(INPUT));
+    		ip.ki.dwFlags = KEYEVENTF_KEYUP;
+    		SendInput(1, &ip, sizeof(INPUT));
+        return 1;
+      } else if(keyNo == VK_CONVERT) {
+      	cout << "noconvert." << endl;
+        ip.ki.wVk = VK_OEM_COMMA;
+    		SendInput(1, &ip, sizeof(INPUT));
+    		ip.ki.dwFlags = KEYEVENTF_KEYUP;
+    		SendInput(1, &ip, sizeof(INPUT));
+        return 1;
+      }
+    }
+  }
+  return CallNextHookEx(_hook_keyboard, nCode, wParam, lParam);
+}
+
+void SetHook()
+{
+    if (!(_hook_keyboard = SetWindowsHookEx(WH_KEYBOARD_LL, HookCallbackKeyboard, NULL, 0)))
+    {
+        MessageBox(NULL, "Failed to install hook on keyboard!", "Error", MB_ICONERROR);
+    }
+}
+
+int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
+{
+    SetHook();
+    MSG msg;
+    while (GetMessage(&msg, NULL, 0, 0))
+    {
+        TranslateMessage(&msg);
+        DispatchMessage(&msg);
+    }
+    return msg.wParam;
+}
+
+
+
+
+// https://causeyourestuck.io/2016/04/20/keyboard-hook-win32api-2/