141489 - TableEditor background color artifacts on scrolling
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Table.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Table.java
index f17c948..5d38be2 100755
--- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Table.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Table.java
@@ -5083,11 +5083,14 @@
* When there are many columns in a table, scrolling performance
* can be improved by temporarily unsubclassing the window proc
* so that internal messages are dispatched directly to the table.
- * If the application expects to see a paint event, the window
- * proc cannot be unsubclassed or the event will not be seen.
+ * If the application expects to see a paint event or has a child
+ * whose font, foreground or background color might be needed,
+ * the window proc cannot be unsubclassed.
*/
- if (!hooks (SWT.Paint) && !filters (SWT.Paint)) {
- unsubclass ();
+ if (OS.GetWindow (handle, OS.GW_CHILD) == 0) {
+ if (!hooks (SWT.Paint) && !filters (SWT.Paint)) {
+ unsubclass ();
+ }
}
LRESULT result = super.WM_HSCROLL (wParam, lParam);
subclass ();
@@ -5120,11 +5123,14 @@
* When there are many columns in a table, scrolling performance
* can be improved by temporarily unsubclassing the window proc
* so that internal messages are dispatched directly to the table.
- * If the application expects to see a paint event, the window
- * proc cannot be unsubclassed or the event will not be seen.
+ * If the application expects to see a paint event or has a child
+ * whose font, foreground or background color might be needed,
+ * the window proc cannot be unsubclassed.
*/
- if (!hooks (SWT.Paint) && !filters (SWT.Paint)) {
- unsubclass ();
+ if (OS.GetWindow (handle, OS.GW_CHILD) == 0) {
+ if (!hooks (SWT.Paint) && !filters (SWT.Paint)) {
+ unsubclass ();
+ }
}
LRESULT result = super.WM_VSCROLL (wParam, lParam);
subclass ();
