diff --git a/_abort/windowevents/windows_window.cpp b/_abort/windowevents/windows_window.cpp
new file mode 100644
index 00000000..769c6db9
--- /dev/null
+++ b/_abort/windowevents/windows_window.cpp
@@ -0,0 +1,86 @@
+struct uiWindow {
+//	BOOL hasMenubar;
+	void (*onPositionChanged)(uiWindow *, void *);
+	void *onPositionChangedData;
+	BOOL changingPosition;		// to avoid triggering the above when programmatically doing this
+//	void (*onContentSizeChanged)(uiWindow *, void *);
+};
+
+static LRESULT CALLBACK windowWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+	case WM_WINDOWPOSCHANGED:
+		if ((wp->flags & SWP_NOMOVE) == 0)
+			if (!w->changingPosition)
+				(*(w->onPositionChanged))(w, w->onPositionChangedData);
+			// and continue anyway
+//		if ((wp->flags & SWP_NOSIZE) != 0)
+}
+
+// static int defaultOnClosing(uiWindow *w, void *data)
+
+static void defaultOnPositionContentSizeChanged(uiWindow *w, void *data)
+{
+	// do nothing
+}
+
+// static std::map<uiWindow *, bool> windows;
+
+// void uiWindowSetTitle(uiWindow *w, const char *title)
+
+void uiWindowPosition(uiWindow *w, int *x, int *y)
+{
+	RECT r;
+
+	uiWindowsEnsureGetWindowRect(w->hwnd, &r);
+	*x = r.left;
+	*y = r.top;
+}
+
+void uiWindowSetPosition(uiWindow *w, int x, int y)
+{
+	w->changingPosition = TRUE;
+	if (SetWindowPos(w->hwnd, NULL, x, y, 0, 0, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSIZE | SWP_NOZORDER) == 0)
+		logLastError(L"error moving window");
+	w->changingPosition = FALSE;
+}
+
+// static void windowMonitorRect(HWND hwnd, RECT *r)
+
+// TODO use the work rect instead?
+void uiWindowCenter(uiWindow *w)
+{
+	RECT wr, mr;
+	int x, y;
+	LONG wwid, mwid;
+	LONG wht, mht;
+
+	uiWindowsEnsureGetWindowRect(w->hwnd, &wr);
+	windowMonitorRect(w->hwnd, &mr);
+	wwid = wr.right - wr.left;
+	mwid = mr.right - mr.left;
+	x = (mwid - wwid) / 2;
+	wht = wr.bottom - wr.top;
+	mht = mr.bottom - mr.top;
+	y = (mht - wht) / 2;
+	// y is now evenly divided, however https://msdn.microsoft.com/en-us/library/windows/desktop/dn742502(v=vs.85).aspx says that 45% should go above and 55% should go below
+	// so just move 5% of the way up
+	// TODO should this be on the work area?
+	// TODO is this calculation correct?
+	y -= y / 20;
+	uiWindowSetPosition(w, x, y);
+}
+
+void uiWindowOnPositionChanged(uiWindow *w, void (*f)(uiWindow *, void *), void *data)
+{
+	w->onPositionChanged = f;
+	w->onPositionChangedData = data;
+}
+
+// void uiWindowContentSize(uiWindow *w, int *width, int *height)
+
+uiWindow *uiNewWindow(const char *title, int width, int height, int hasMenubar)
+{
+//	uiWindowOnClosing(w, defaultOnClosing, NULL);
+	uiWindowOnPositionChanged(w, defaultOnPositionContentSizeChanged, NULL);
+//	uiWindowOnContentSizeChanged(w, defaultOnPositionContentSizeChanged, NULL);
+}
diff --git a/windows/window.cpp b/windows/window.cpp
index 760702ba..e0961c28 100644
--- a/windows/window.cpp
+++ b/windows/window.cpp
@@ -14,9 +14,6 @@ struct uiWindow {
 	void *onClosingData;
 	int margined;
 	BOOL hasMenubar;
-	void (*onPositionChanged)(uiWindow *, void *);
-	void *onPositionChangedData;
-	BOOL changingPosition;		// to avoid triggering the above when programmatically doing this
 	void (*onContentSizeChanged)(uiWindow *, void *);
 	void *onContentSizeChangedData;
 	BOOL changingSize;
@@ -95,10 +92,6 @@ static LRESULT CALLBACK windowWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARA
 		runMenuEvent(LOWORD(wParam), uiWindow(w));
 		return 0;
 	case WM_WINDOWPOSCHANGED:
-		if ((wp->flags & SWP_NOMOVE) == 0)
-			if (!w->changingPosition)
-				(*(w->onPositionChanged))(w, w->onPositionChangedData);
-			// and continue anyway
 		if ((wp->flags & SWP_NOSIZE) != 0)
 			break;
 		if (w->onContentSizeChanged != NULL)		// TODO figure out why this is happening too early
@@ -296,23 +289,6 @@ void uiWindowSetTitle(uiWindow *w, const char *title)
 	// don't queue resize; the caption isn't part of what affects layout and sizing of the client area (it'll be ellipsized if too long)
 }
 
-void uiWindowPosition(uiWindow *w, int *x, int *y)
-{
-	RECT r;
-
-	uiWindowsEnsureGetWindowRect(w->hwnd, &r);
-	*x = r.left;
-	*y = r.top;
-}
-
-void uiWindowSetPosition(uiWindow *w, int x, int y)
-{
-	w->changingPosition = TRUE;
-	if (SetWindowPos(w->hwnd, NULL, x, y, 0, 0, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSIZE | SWP_NOZORDER) == 0)
-		logLastError(L"error moving window");
-	w->changingPosition = FALSE;
-}
-
 // this is used for both fullscreening and centering
 // see also https://blogs.msdn.microsoft.com/oldnewthing/20100412-00/?p=14353 and https://blogs.msdn.microsoft.com/oldnewthing/20050505-04/?p=35703
 static void windowMonitorRect(HWND hwnd, RECT *r)
@@ -335,36 +311,6 @@ static void windowMonitorRect(HWND hwnd, RECT *r)
 	*r = mi.rcMonitor;
 }
 
-// TODO use the work rect instead?
-void uiWindowCenter(uiWindow *w)
-{
-	RECT wr, mr;
-	int x, y;
-	LONG wwid, mwid;
-	LONG wht, mht;
-
-	uiWindowsEnsureGetWindowRect(w->hwnd, &wr);
-	windowMonitorRect(w->hwnd, &mr);
-	wwid = wr.right - wr.left;
-	mwid = mr.right - mr.left;
-	x = (mwid - wwid) / 2;
-	wht = wr.bottom - wr.top;
-	mht = mr.bottom - mr.top;
-	y = (mht - wht) / 2;
-	// y is now evenly divided, however https://msdn.microsoft.com/en-us/library/windows/desktop/dn742502(v=vs.85).aspx says that 45% should go above and 55% should go below
-	// so just move 5% of the way up
-	// TODO should this be on the work area?
-	// TODO is this calculation correct?
-	y -= y / 20;
-	uiWindowSetPosition(w, x, y);
-}
-
-void uiWindowOnPositionChanged(uiWindow *w, void (*f)(uiWindow *, void *), void *data)
-{
-	w->onPositionChanged = f;
-	w->onPositionChangedData = data;
-}
-
 void uiWindowContentSize(uiWindow *w, int *width, int *height)
 {
 	RECT r;
@@ -541,7 +487,6 @@ uiWindow *uiNewWindow(const char *title, int width, int height, int hasMenubar)
 	setClientSize(w, width, height, hasMenubarBOOL, style, exstyle);
 
 	uiWindowOnClosing(w, defaultOnClosing, NULL);
-	uiWindowOnPositionChanged(w, defaultOnPositionContentSizeChanged, NULL);
 	uiWindowOnContentSizeChanged(w, defaultOnPositionContentSizeChanged, NULL);
 
 	windows[w] = true;