Fix no cursor when not the top level window.

WM_MOUSEMOVE messages were only processed when the window was active.

Sources/Plasma/Apps/plClient/winmain.cpp

@@ -413,7 +413,6 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
         case WM_LBUTTONUP :
         case WM_RBUTTONUP :
         case WM_MBUTTONUP :         // The middle mouse button was released. 
-        case WM_MOUSEMOVE :
         case 0x020A:                // fuc&ing windows b.s...
             {
                 if (gClient && gClient->WindowActive() && gClient->GetInputManager())
@@ -423,6 +422,13 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
             }
             break;
 
+        case WM_MOUSEMOVE:
+            {
+                if (gClient && gClient->GetInputManager())
+                    gClient->GetInputManager()->HandleWin32ControlEvent(message, wParam, lParam, hWnd);
+            }
+            break;
+
 #if 0
         case WM_KILLFOCUS:
             SetForegroundWindow(hWnd);