1 files changed, 16 insertions, 0 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/ProgressBar.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/ProgressBar.java
index 3a2767c2e8..56de5dbbfe 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/ProgressBar.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/ProgressBar.java
@@ -139,6 +139,20 @@ public int getSelection () {
 	return selection;
 }
 
+int gtk_realize (int widget) {
+	int result = super.gtk_realize (widget);
+	if (result != 0) return result;
+	updateBar (selection, minimum, maximum);
+	return 0;
+}
+
+void hookEvents () {
+	super.hookEvents ();
+	Display display = getDisplay ();
+	int windowProc2 = display.windowProc2;
+	OS.g_signal_connect_after (handle, OS.realize, windowProc2, REALIZE);
+}
+
 void releaseWidget () {
 	super.releaseWidget ();
 	if (timerId != 0) OS.gtk_timeout_remove (timerId);
@@ -209,6 +223,8 @@ int timerProc (int widget) {
 }
 
 void updateBar (int selection, int minimum, int maximum) {
+	if ((OS.GTK_WIDGET_FLAGS (handle) & OS.GTK_REALIZED) == 0) return;
+
 	double fraction = minimum == maximum ? 1 : (double)(selection - minimum) / (maximum - minimum);
 	OS.gtk_progress_bar_set_fraction (handle, fraction);
 	/*