diff --git a/CPF.Linux/X11Window.cs b/CPF.Linux/X11Window.cs
index 195c17f..4938b05 100644
--- a/CPF.Linux/X11Window.cs
+++ b/CPF.Linux/X11Window.cs
@@ -1532,11 +1532,12 @@ namespace CPF.Linux
             var data = new UIntPtr[_width * _height + 2];
             data[0] = new UIntPtr((uint)_width);
             data[1] = new UIntPtr((uint)_height);
+            var offset = 2;
             for (var y = 0; y < _height; y++)
             {
                 var r = y * _width;
                 for (var x = 0; x < _width; x++)
-                    data[r + x] = new UIntPtr(_bdata[r + x]);
+                    data[r + x + offset] = new UIntPtr(_bdata[r + x]);
             }
 
             fixed (void* pdata = data)
diff --git a/CPF.Windows/UnmanagedMethods.cs b/CPF.Windows/UnmanagedMethods.cs
index a087b14..22d53eb 100644
--- a/CPF.Windows/UnmanagedMethods.cs
+++ b/CPF.Windows/UnmanagedMethods.cs
@@ -1154,6 +1154,8 @@ BLENDFUNCTION blendFunction // alpha-blending function
         [DllImport("user32.dll")]
         public static extern bool SetFocus(IntPtr hWnd);
         [DllImport("user32.dll")]
+        public static extern IntPtr GetFocus();
+        [DllImport("user32.dll")]
         public static extern bool SetParent(IntPtr hWnd, IntPtr hWndNewParent);
         [DllImport("user32.dll")]
         public static extern bool ShowWindow(IntPtr hWnd, ShowWindowCommand nCmdShow);
diff --git a/CPF.Windows/WindowImpl.cs b/CPF.Windows/WindowImpl.cs
index c0116e2..8bd8c65 100644
--- a/CPF.Windows/WindowImpl.cs
+++ b/CPF.Windows/WindowImpl.cs
@@ -1525,6 +1525,10 @@ namespace CPF.Windows
 
         public void SetIMEPosition(Point point)
         {
+            if (canActivate && GetFocus() != handle)
+            {
+                SetFocus(handle);
+            }
             COMPOSITIONFORM cf = new COMPOSITIONFORM();
             cf.dwStyle = 2;
             cf.ptCurrentPos = new POINT((int)(point.X * scaling), (int)(point.Y * scaling));