Bug 319173 [UI] Resizing feedback stops working
While we have seen this on other platforms we have a repeatable test case for the Mac (bogdan, please check if this is the exact scenarion, I'm entering it from memory): Fresh WS, open two other perspectives hit Ctrl-F8 (select perspective) Resize the main window the feedback for the resize doesn't occur until after the mouse button is released.
bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/TrimBarRenderer.java
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 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
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 * http://www.eclipse.org/legal/epl-v10.html
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 *     IBM Corporation - initial API and implementation
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package org.eclipse.e4.ui.workbench.renderers.swt;
import java.util.ArrayList;
import java.util.HashMap;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.e4.core.contexts.RunAndTrack;
import org.eclipse.e4.ui.internal.workbench.ContributionsAnalyzer;
import org.eclipse.e4.ui.model.application.MApplication;
import org.eclipse.e4.ui.model.application.ui.MElementContainer;
import org.eclipse.e4.ui.model.application.ui.MUIElement;
import org.eclipse.e4.ui.model.application.ui.SideValue;
import org.eclipse.e4.ui.model.application.ui.basic.MTrimBar;
import org.eclipse.e4.ui.model.application.ui.basic.MTrimElement;
import org.eclipse.e4.ui.model.application.ui.menu.MTrimContribution;
import org.eclipse.e4.ui.workbench.modeling.ExpressionContext;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.ControlListener;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.widgets.Composite;