--- a/dwt/widgets/Dialog.d	Mon May 12 15:36:37 2008 +0200
+++ b/dwt/widgets/Dialog.d	Mon May 12 19:13:01 2008 +0200
@@ -19,6 +19,7 @@
 import dwt.DWTException;
 import dwt.widgets.Shell;
 import dwt.widgets.Display;
+import dwt.widgets.Widget;
 
 /**
  * This class is the abstract superclass of the classes
@@ -171,6 +172,20 @@
     parent.checkWidget ();
 }
 
+static int checkStyle (Shell parent, int style) {
+    if ((style & (DWT.PRIMARY_MODAL | DWT.APPLICATION_MODAL | DWT.SYSTEM_MODAL)) is 0) {
+        style |= DWT.APPLICATION_MODAL;
+    }
+    style &= ~DWT.MIRRORED;
+    if ((style & (DWT.LEFT_TO_RIGHT | DWT.RIGHT_TO_LEFT)) is 0) {
+        if (parent !is null) {
+            if ((parent.style & DWT.LEFT_TO_RIGHT) !is 0) style |= DWT.LEFT_TO_RIGHT;
+            if ((parent.style & DWT.RIGHT_TO_LEFT) !is 0) style |= DWT.RIGHT_TO_LEFT;
+        }
+    }
+    return Widget.checkBits (style, DWT.LEFT_TO_RIGHT, DWT.RIGHT_TO_LEFT, 0, 0, 0, 0);
+}
+
 /**
  * Does whatever dialog specific cleanup is required, and then
  * uses the code in <code>DWTError.error</code> to handle the error.