diff --git a/src/video/windows/SDL_windowsevents.c b/src/video/windows/SDL_windowsevents.c
index 2557d86..acb52c3 100644
--- a/src/video/windows/SDL_windowsevents.c
+++ b/src/video/windows/SDL_windowsevents.c
@@ -429,6 +429,47 @@
 }
 
 LRESULT CALLBACK
+WIN_KeyboardHookProc(int nCode, WPARAM wParam, LPARAM lParam)
+{
+    if (nCode < 0 || nCode != HC_ACTION) {
+        return CallNextHookEx(NULL, nCode, wParam, lParam);
+    }
+
+    KBDLLHOOKSTRUCT* hookData = (KBDLLHOOKSTRUCT*)lParam;
+    SDL_Scancode scanCode;
+    switch (hookData->vkCode) {
+    case VK_LWIN:
+        scanCode = SDL_SCANCODE_LGUI;
+        break;
+    case VK_RWIN:
+        scanCode = SDL_SCANCODE_RGUI;
+        break;
+    case VK_LMENU:
+        scanCode = SDL_SCANCODE_LALT;
+        break;
+    case VK_RMENU:
+        scanCode = SDL_SCANCODE_RALT;
+        break;
+    case VK_LCONTROL:
+        scanCode = SDL_SCANCODE_LCTRL;
+        break;
+    case VK_RCONTROL:
+        scanCode = SDL_SCANCODE_RCTRL;
+        break;
+    default:
+        return CallNextHookEx(NULL, nCode, wParam, lParam);
+    }
+
+    if (wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN) {
+        SDL_SendKeyboardKey(SDL_PRESSED, scanCode);
+    } else {
+        SDL_SendKeyboardKey(SDL_RELEASED, scanCode);
+    }
+
+    return 1;
+}
+
+LRESULT CALLBACK
 WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 {
     SDL_WindowData *data;
diff --git a/src/video/windows/SDL_windowsevents.h b/src/video/windows/SDL_windowsevents.h
index 9407f72..fcd716d 100644
--- a/src/video/windows/SDL_windowsevents.h
+++ b/src/video/windows/SDL_windowsevents.h
@@ -27,6 +27,7 @@
 extern Uint32 SDL_Appstyle;
 extern HINSTANCE SDL_Instance;
 
+extern LRESULT CALLBACK WIN_KeyboardHookProc(int nCode, WPARAM wParam, LPARAM lParam);
 extern LRESULT CALLBACK WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam,
                                        LPARAM lParam);
 extern void WIN_PumpEvents(_THIS);
diff --git a/src/video/windows/SDL_windowswindow.c b/src/video/windows/SDL_windowswindow.c
index 2a54eb2..cae93f7 100644
--- a/src/video/windows/SDL_windowswindow.c
+++ b/src/video/windows/SDL_windowswindow.c
@@ -738,11 +738,58 @@
     return succeeded ? 0 : -1;
 }
 
+static void WIN_GrabKeyboard(SDL_Window *window)
+{
+    SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
+    HMODULE module;
+
+    if (data->keyboard_hook) {
+        return;
+    }
+
+    /* SetWindowsHookEx() needs to know which module contains the hook we
+       want to install. This is complicated by the fact that SDL can be
+       linked statically or dynamically. Fortunately XP and later provide
+       this nice API that will go through the loaded modules and find the
+       one containing our code.
+    */
+    if (!GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT | GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS,
+                           (LPTSTR)WIN_KeyboardHookProc,
+                           &module)) {
+        return;
+    }
+
+    /* To grab the keyboard, we have to install a low-level keyboard hook to
+       intercept keys that would normally be captured by the OS. Intercepting
+       all key events on the system is rather invasive, but it's what Microsoft
+       actually documents that you do to capture these.
+    */
+    data->keyboard_hook = SetWindowsHookEx(WH_KEYBOARD_LL, WIN_KeyboardHookProc, module, 0);
+}
+
+void WIN_UngrabKeyboard(SDL_Window *window)
+{
+    SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
+
+    if (data->keyboard_hook) {
+        UnhookWindowsHookEx(data->keyboard_hook);
+        data->keyboard_hook = NULL;
+    }
+}
+
 void
 WIN_SetWindowGrab(_THIS, SDL_Window * window, SDL_bool grabbed)
 {
     WIN_UpdateClipCursor(window);
 
+    if (grabbed) {
+        if (SDL_GetHintBoolean(SDL_HINT_GRAB_KEYBOARD, SDL_FALSE)) {
+            WIN_GrabKeyboard(window);
+        }
+    } else {
+        WIN_UngrabKeyboard(window);
+    }
+
     if (window->flags & SDL_WINDOW_FULLSCREEN) {
         UINT flags = SWP_NOCOPYBITS | SWP_NOMOVE | SWP_NOSIZE;
 
@@ -759,6 +806,9 @@
     SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
 
     if (data) {
+        if (data->keyboard_hook) {
+            UnhookWindowsHookEx(data->keyboard_hook);
+        }
         ReleaseDC(data->hwnd, data->hdc);
         RemoveProp(data->hwnd, TEXT("SDL_WindowData"));
         if (data->created) {
diff --git a/src/video/windows/SDL_windowswindow.h b/src/video/windows/SDL_windowswindow.h
index 69ae4a7..cbadc85 100644
--- a/src/video/windows/SDL_windowswindow.h
+++ b/src/video/windows/SDL_windowswindow.h
@@ -37,6 +37,7 @@
     HINSTANCE hinstance;
     HBITMAP hbm;
     WNDPROC wndproc;
+    HHOOK keyboard_hook;
     SDL_bool created;
     WPARAM mouse_button_flags;
     LPARAM last_pointer_update;