diff --git a/GNUmakefile b/GNUmakefile
index 869d80b..ba2557a 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -7,7 +7,7 @@ CFLAGS = -fPIC -Iinclude -D_MILSKO
 LDFLAGS =
 LIBS =
 
-L_OBJS = src/ds.o src/core.o src/default.o src/draw.o
+L_OBJS = src/ds.o src/core.o src/default.o src/draw.o src/lowlevel.o
 L_OBJS += src/window.o src/button.o
 L_LIBS = -lfreetype
 
diff --git a/include/Milsko/LowLevel.h b/include/Milsko/LowLevel.h
index 67c49e8..9905fe7 100644
--- a/include/Milsko/LowLevel.h
+++ b/include/Milsko/LowLevel.h
@@ -32,6 +32,11 @@ struct _MilskoLLCallback {
 	void (*up)(MilskoLL handle);
 };
 
+/* lowlevel.c, common part */
+MILSKODECL void MilskoLLCreateCommon(MilskoLL handle);
+MILSKODECL void MilskoLLDestroyCommon(MilskoLL handle);
+
+/* driver-specific */
 MILSKODECL MilskoLL MilskoLLCreate(MilskoLL parent, int x, int y, int width, int height);
 MILSKODECL void	    MilskoLLDestroy(MilskoLL handle);
 
diff --git a/include/Milsko/X11.h b/include/Milsko/X11.h
index 02a88e2..5f19296 100644
--- a/include/Milsko/X11.h
+++ b/include/Milsko/X11.h
@@ -14,15 +14,11 @@ typedef struct _MilskoLLColor *MilskoLLColor, MilskoLLColorRec;
 #include <X11/Xutil.h>
 
 struct _MilskoLL {
-	Display*     display;
-	Window	     window;
-	GC	     gc;
-	Colormap     colormap;
-	int	     x;
-	int	     y;
-	unsigned int width;
-	unsigned int height;
-	void*	     user;
+	Display* display;
+	Window	 window;
+	GC	 gc;
+	Colormap colormap;
+	void*	 user;
 
 	MilskoLLCallback callback;
 };
diff --git a/src/lowlevel.c b/src/lowlevel.c
new file mode 100644
index 0000000..8e22ee6
--- /dev/null
+++ b/src/lowlevel.c
@@ -0,0 +1,11 @@
+/* $Id$ */
+#include <Milsko/Milsko.h>
+
+void MilskoLLCreateCommon(MilskoLL handle) {
+	handle->callback = malloc(sizeof(*handle->callback));
+	memset(handle->callback, 0, sizeof(*handle->callback));
+}
+
+void MilskoLLDestroyCommon(MilskoLL handle) {
+	free(handle->callback);
+}
diff --git a/src/x11.c b/src/x11.c
index 47b17f1..7ea17a8 100644
--- a/src/x11.c
+++ b/src/x11.c
@@ -9,14 +9,9 @@ MilskoLL MilskoLLCreate(MilskoLL parent, int x, int y, int width, int height) {
 	Window	     root;
 	unsigned int border, depth;
 
-	r	    = malloc(sizeof(*r));
-	r->x	    = x;
-	r->y	    = y;
-	r->width    = width;
-	r->height   = height;
-	r->callback = malloc(sizeof(*r->callback));
+	r = malloc(sizeof(*r));
 
-	memset(r->callback, 0, sizeof(*r->callback));
+	MilskoLLCreateCommon(r);
 
 	if(parent == NULL) {
 		r->display = XOpenDisplay(NULL);
@@ -37,6 +32,8 @@ MilskoLL MilskoLLCreate(MilskoLL parent, int x, int y, int width, int height) {
 }
 
 void MilskoLLDestroy(MilskoLL handle) {
+	MilskoLLDestroyCommon(handle);
+
 	XFreeGC(handle->display, handle->gc);
 	XDestroyWindow(handle->display, handle->window);
 	free(handle);
@@ -85,11 +82,6 @@ void MilskoLLGetXYWH(MilskoLL handle, int* x, int* y, unsigned int* w, unsigned
 	unsigned int border, depth;
 
 	XGetGeometry(handle->display, handle->window, &root, x, y, w, h, &border, &depth);
-
-	handle->x      = *x;
-	handle->y      = *y;
-	handle->width  = *w;
-	handle->height = *h;
 }
 
 void MilskoLLSetXY(MilskoLL handle, int x, int y) {