Attachment #42858 for bug #101523

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            <class package="org.netbeans.api.visual.widget" name="Widget" link="yes"/>
            <issue number="98307"/>
        </change>

        <change>
            <api name="general"/>
            <summary>Mouse dragging event processing improved</summary>
            <version major="2" minor="3"/>
            <date day="28" month="5" year="2007"/>
            <author login="dkaspar"/>
            <compatibility addition="yes"/>
            <description>
                Mouse dragging event processing improved. MoveAction and others are now smoothly scrolling a view.
            </description>
            <issue number="101523"/>
        </change>
    </changes>

    <htmlcontents>

Lines 1-4 Link Here

(-)graph/lib/manifest.mf (-1 / +1 lines)
1	Manifest-Version: 1.0	1	Manifest-Version: 1.0
2	OpenIDE-Module: org.netbeans.api.visual	2	OpenIDE-Module: org.netbeans.api.visual
3	OpenIDE-Module-Localizing-Bundle: org/netbeans/modules/visual/resources/Bundle.properties	3	OpenIDE-Module-Localizing-Bundle: org/netbeans/modules/visual/resources/Bundle.properties
4	OpenIDE-Module-Specification-Version: 2.1	4	OpenIDE-Module-Specification-Version: 2.3

Lines 34-44 Link Here

(-)graph/lib/src/org/netbeans/api/visual/widget/SceneComponent.java (-3 / +30 lines)
34	*/	34	*/
35	final class SceneComponent extends JComponent implements MouseListener, MouseMotionListener, KeyListener, MouseWheelListener,FocusListener, DropTargetListener {	35	final class SceneComponent extends JComponent implements MouseListener, MouseMotionListener, KeyListener, MouseWheelListener,FocusListener, DropTargetListener {
36		36
		37	private static final int AUTO_SHIFT = 32;
		38
37	private Scene scene;	39	private Scene scene;
38	private Widget lockedWidget;	40	private Widget lockedWidget;
39	private WidgetAction lockedAction;	41	private WidgetAction lockedAction;
40	private long eventIDcounter = 0;	42	private long eventIDcounter = 0;
41	private AccessibleContext accessibleContext;	43	private AccessibleContext accessibleContext;
		44	private Point shiftedMouseLocation = new Point ();
42		45
43	public SceneComponent (Scene scene) {	46	public SceneComponent (Scene scene) {
44	this.scene = scene;	47	this.scene = scene;
Lines 208-214 Link Here
208	}	211	}
209		212
210	private WidgetAction.State processLocationOperator (Operator operator, WidgetAction.WidgetLocationEvent event) {	213	private WidgetAction.State processLocationOperator (Operator operator, WidgetAction.WidgetLocationEvent event) {
211	event.setPoint (scene.convertViewToScene (event.getPoint ()));	214	Point viewPoint = event.getPoint ();
		215	Point oldScenePoint = scene.convertViewToScene (viewPoint);
		216	Point scenePoint = new Point (oldScenePoint);
		217	scenePoint.translate (- shiftedMouseLocation.x, - shiftedMouseLocation.y);
		218	event.setPoint (scenePoint);
212		219
213	WidgetAction.State state;	220	WidgetAction.State state;
214	Point location;	221	Point location;
Lines 244-252 Link Here
244	lockedAction = state.getLockedAction ();	251	lockedAction = state.getLockedAction ();
245	scene.validate ();	252	scene.validate ();
246		253
247	if (lockedWidget != null)	254	if (lockedWidget != null) {
		255	Point previousScreenLocation = getLocationOnScreen ();
248	scrollRectToVisible (scene.convertSceneToView (lockedWidget.convertLocalToScene (lockedWidget.getBounds ())));	256	scrollRectToVisible (scene.convertSceneToView (lockedWidget.convertLocalToScene (lockedWidget.getBounds ())));
249		257	Point newScreenLocation = getLocationOnScreen ();
		258	Point newViewPoint = new Point (viewPoint);
		259	newViewPoint.translate (- (newScreenLocation.x - previousScreenLocation.x), - (newScreenLocation.y - previousScreenLocation.y));
		260	Point newScenePoint = scene.convertViewToScene (newViewPoint);
		261	shiftedMouseLocation.x += newScenePoint.x - oldScenePoint.x;
		262	shiftedMouseLocation.y += newScenePoint.y - oldScenePoint.y;
		263	if (operator == Operator.MOUSE_DRAGGED) {
		264	Rectangle visibleRect = getVisibleRect ();
		265	if (viewPoint.x < visibleRect.x)
		266	shiftedMouseLocation.x += AUTO_SHIFT;
		267	else if (viewPoint.x >= visibleRect.x + visibleRect.width)
		268	shiftedMouseLocation.x -= AUTO_SHIFT;
		269	if (viewPoint.y < visibleRect.y)
		270	shiftedMouseLocation.y += AUTO_SHIFT;
		271	else if (viewPoint.y >= visibleRect.y + visibleRect.width)
		272	shiftedMouseLocation.y -= AUTO_SHIFT;
		273	}
		274	} else
		275	shiftedMouseLocation.x = shiftedMouseLocation.y = 0;
		276
250	return state;	277	return state;
251	}	278	}
252		279

Return to bug 101523

Lines 137-142 Link Here

(-)graph/lib/apichanges.xml (+13 lines)
137	<class package="org.netbeans.api.visual.widget" name="Widget" link="yes"/>	137	<class package="org.netbeans.api.visual.widget" name="Widget" link="yes"/>
138	<issue number="98307"/>	138	<issue number="98307"/>
139	</change>	139	</change>
		140
		141	<change>
		142	<api name="general"/>
		143	<summary>Mouse dragging event processing improved</summary>
		144	<version major="2" minor="3"/>
		145	<date day="28" month="5" year="2007"/>
		146	<author login="dkaspar"/>
		147	<compatibility addition="yes"/>
		148	<description>
		149	Mouse dragging event processing improved. MoveAction and others are now smoothly scrolling a view.
		150	</description>
		151	<issue number="101523"/>
		152	</change>
140	</changes>	153	</changes>
141		154
142	<htmlcontents>	155	<htmlcontents>