Add minimal global hotkey interceptor for Windows

Intercepts Shift+Esc to launch a custom program in Windows

task-inter/task-inter.cpp

@@ -0,0 +1,45 @@
+// hotkey.c
+// Minimal global hotkey interceptor for NT 3.51
+// Build as Win32 GUI app in VC++ 4.x
+
+#include <windows.h>
+
+#define ID_HOTKEY 1
+
+LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) {
+    if (msg == WM_HOTKEY && wParam == ID_HOTKEY) {
+        // Launch your program here
+        WinExec("C:\\MYTOOLS\\MYAPP.EXE", SW_SHOWNORMAL);
+        return 0;
+    }
+    return DefWindowProc(hWnd, msg, wParam, lParam);
+}
+
+int APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR lpCmd, int nShow) {
+    WNDCLASS wc;
+    ZeroMemory(&wc, sizeof(wc));
+    wc.lpfnWndProc   = WndProc;
+    wc.hInstance     = hInst;
+    wc.lpszClassName = "HotKeyWin";
+    RegisterClass(&wc);
+
+    HWND hWnd = CreateWindow(
+        "HotKeyWin", "HotKeyWin",
+        WS_OVERLAPPED, CW_USEDEFAULT, CW_USEDEFAULT,
+        CW_USEDEFAULT, CW_USEDEFAULT,
+        HWND_DESKTOP, NULL, hInst, NULL
+    );
+
+    // Register Ctrl+Esc
+    if (!RegisterHotKey(hWnd, ID_HOTKEY, MOD_CONTROL, VK_ESCAPE)) {
+        MessageBox(NULL, "Failed to register hotkey", "Error", MB_OK);
+        return 1;
+    }
+
+    MSG msg;
+    while (GetMessage(&msg, NULL, 0, 0)) {
+        TranslateMessage(&msg);
+        DispatchMessage(&msg);
+    }
+    return 0;
+}