Bug 449942

Comment 1 Alexander Nyßen 2014-11-04 08:58:31 EST

Glass detected outstanding Java exception at -[GlassViewDelegate sendJavaMouseEvent:]:src/com/sun/mat/ui/GlassViewDelegate.m:543
Exception in thread "JavaFX Application Thread" java.awt.HeadlessException
	at java.awt.MouseInfo.getPointerInfo(MouseInfo.java:74)
	at org.eclipse.gef4.mvc.fx.behaviors.FXHoverBehavior.onHoverChange(FXHoverBehavior.java:159)
	at org.eclipse.gef4.mvc.behaviors.HoverBehavior.propertyChange(HoverBehavior.java:82)
	at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
	at org.eclipse.gef4.mvc.models.HoverModel.setHover(HoverModel.java:84)
	at org.eclipse.gef4.mvc.policies.HoverPolicy.hover(HoverPolicy.java:20)
	at org.eclipse.gef4.mvc.fx.policies.FXHoverOnHoverPolicy.hover(FXHoverOnHoverPolicy.java:30)
	at org.eclipse.gef4.mvc.fx.tools.FXHoverTool$1.handle(FXHoverTool.java:86)
	at org.eclipse.gef4.mvc.fx.tools.FXHoverTool$1.handle(FXHoverTool.java:1)
	at com.sun.javafx.event.CompositeEventHandler.dispatchCapturingEvent(CompositeEventHandler.java:78)
	at com.sun.javafx.event.EventHandlerManager.dispatchCapturingEvent(EventHandlerManager.java:202)
	at com.sun.javafx.event.EventHandlerManager.dispatchCapturingEvent(EventHandlerManager.java:159)
	at com.sun.javafx.event.CompositeEventDispatcher.dispatchCapturingEvent(CompositeEventDispatcher.java:22)
	at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:31)
	at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92)
	at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:35)
	at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92)
	at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:53)
	at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:33)
	at javafx.event.Event.fireEvent(Event.java:171)
	at javafx.scene.Scene$MouseHandler.process(Scene.java:3311)
	at javafx.scene.Scene$MouseHandler.process(Scene.java:3151)
	at javafx.scene.Scene$MouseHandler.access$1900(Scene.java:3106)
	at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1563)
	at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2248)
	at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:250)
	at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:173)
	at java.security.AccessController.doPrivileged(Native Method)
	at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:292)
	at com.sun.glass.ui.View.handleMouseEvent(View.java:530)
	at com.sun.glass.ui.View.notifyMouse(View.java:924)

Comment 2 Alexander Nyßen 2014-11-04 10:30:27 EST

Up to now, added a platform specific workaround for Mac:

// FIXME: platform specific workaround for Mac
String osName = System.getProperty("os.name").toLowerCase();
  if (osName.startsWith("mac os x")) {
    com.sun.glass.ui.Robot robot = com.sun.glass.ui.Application.GetApplication().createRobot();
    initialPointerLocation = new Point(robot.getMouseX(),						robot.getMouseY());
} else {
  initialPointerLocation = java.awt.MouseInfo.getPointerInfo()						.getLocation();
}

Comment 3 Alexander Nyßen 2014-11-04 10:42:15 EST

I further ensured the workaround is only used if the bundle is not activated (i.e. we run in standalone mode), because otherwise it does not work properly within eclipse.

Comment 4 Matthias Wienand 2014-11-06 09:54:17 EST

I replaced the code to get the initial (current) mouse pointer location using AWT by using the first location reported by JavaFX when the mouse moves as the initial pointer location. The code is published on the master branch, therefore I resolve this ticket as fixed for target milestone 3.10.0M3, sorry for the inconvenience.