17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26
27 package sun.lwawt;
28
29 import java.awt.Adjustable;
30 import java.awt.Scrollbar;
31 import java.awt.event.AdjustmentEvent;
32 import java.awt.event.AdjustmentListener;
33 import java.awt.peer.ScrollbarPeer;
34
35 import javax.swing.JScrollBar;
36
37 final class LWScrollBarPeer extends LWComponentPeer<Scrollbar, JScrollBar>
38 implements ScrollbarPeer, AdjustmentListener {
39
40 //JScrollBar fires two changes with firePropertyChange (one for old value
41 // and one for new one.
42 // We save the last value and don't fire event if not changed.
43 private int currentValue;
44
45 LWScrollBarPeer(final Scrollbar target,
46 final PlatformComponent platformComponent) {
47 super(target, platformComponent);
48 }
49
50 @Override
51 protected JScrollBar createDelegate() {
52 return new JScrollBar();
53 }
54
55 @Override
56 void initializeImpl() {
57 super.initializeImpl();
58 final Scrollbar target = getTarget();
59 setLineIncrement(target.getUnitIncrement());
60 setPageIncrement(target.getBlockIncrement());
61 setValues(target.getValue(), target.getVisibleAmount(),
62 target.getMinimum(), target.getMaximum());
63
64 final int orientation = target.getOrientation();
65 final JScrollBar delegate = getDelegate();
66 synchronized (getDelegateLock()) {
67 delegate.setOrientation(orientation == Scrollbar.HORIZONTAL
68 ? Adjustable.HORIZONTAL
69 : Adjustable.VERTICAL);
70 delegate.addAdjustmentListener(this);
71 }
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17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26
27 package sun.lwawt;
28
29 import java.awt.Adjustable;
30 import java.awt.Scrollbar;
31 import java.awt.event.AdjustmentEvent;
32 import java.awt.event.AdjustmentListener;
33 import java.awt.peer.ScrollbarPeer;
34
35 import javax.swing.JScrollBar;
36
37 /**
38 * Lightweight implementation of {@link ScrollbarPeer}. Delegates most of the
39 * work to the {@link JScrollBar}.
40 */
41 final class LWScrollBarPeer extends LWComponentPeer<Scrollbar, JScrollBar>
42 implements ScrollbarPeer, AdjustmentListener {
43
44 // JScrollBar fires two changes with firePropertyChange (one for old value
45 // and one for new one.
46 // We save the last value and don't fire event if not changed.
47 private int currentValue;
48
49 LWScrollBarPeer(final Scrollbar target,
50 final PlatformComponent platformComponent) {
51 super(target, platformComponent);
52 }
53
54 @Override
55 JScrollBar createDelegate() {
56 return new JScrollBar();
57 }
58
59 @Override
60 void initializeImpl() {
61 super.initializeImpl();
62 final Scrollbar target = getTarget();
63 setLineIncrement(target.getUnitIncrement());
64 setPageIncrement(target.getBlockIncrement());
65 setValues(target.getValue(), target.getVisibleAmount(),
66 target.getMinimum(), target.getMaximum());
67
68 final int orientation = target.getOrientation();
69 final JScrollBar delegate = getDelegate();
70 synchronized (getDelegateLock()) {
71 delegate.setOrientation(orientation == Scrollbar.HORIZONTAL
72 ? Adjustable.HORIZONTAL
73 : Adjustable.VERTICAL);
74 delegate.addAdjustmentListener(this);
75 }
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