Bug 340054 - SWT Painting problems in Cocoa

3 files changed, 13 insertions, 0 deletions

diff --git a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Control.java b/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Control.java
index 48f170723e..62ad825242 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Control.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Control.java
@@ -2285,6 +2285,10 @@ public boolean isReparentable () {
 	return true;
 }
 
+boolean isResizing () {
+	return (state & RESIZING) != 0 || parent.isResizing();
+}
+
 boolean isShowing () {
 	/*
 	* This is not complete.  Need to check if the
@@ -3796,7 +3800,10 @@ void setFrameSize (int /*long*/ id, int /*long*/ sel, NSSize size) {
 	super.setFrameSize(id, sel, size);
 	if (frame.width != size.width || frame.height != size.height) {
 		invalidateVisibleRegion();
+		boolean oldResizing = (state & RESIZING) != 0;
+		state |= RESIZING;
 		resized ();
+		if (!oldResizing) state &= ~RESIZING; 
 	}
 }
 
@@ -4885,6 +4892,7 @@ public void update () {
 void update (boolean all) {
 //	checkWidget();
 	if (display.isPainting.containsObject(view)) return;
+	if (isResizing()) return;
 	Shell shell = getShell();
 	NSWindow window = shell.deferFlushing && shell.scrolling ? view.window() : null;
 	try {
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Shell.java b/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Shell.java
index 514990843b..d810b81cee 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Shell.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Shell.java
@@ -1230,6 +1230,10 @@ boolean isEnabledCursor () {
 	return true;
 }
 
+boolean isResizing () {
+	return (state & RESIZING) != 0;
+}
+
 boolean isTransparent() {
 	return false;
 }
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Widget.java b/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Widget.java
index 593c80fbdf..872dde2941 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Widget.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Widget.java
@@ -78,6 +78,7 @@ public abstract class Widget {
 	static final int DISPOSE_SENT = 1<<16;	
 	static final int FOREIGN_HANDLE = 1<<17;
 	static final int DRAG_DETECT = 1<<18;
+	static final int RESIZING = 1<<19;
 
 	/* WebKit fixes */
 	static final int WEBKIT_EVENTS_FIX = 1<<19;