@SuppressWarnings("deprecation")
private void replaceSurfaceDataRecursively(Component c) {
if (c instanceof Container) {
for (Component child : ((Container) c).getComponents()) {
replaceSurfaceDataRecursively(child);
}
}
ComponentPeer cp = c.getPeer();
if (cp instanceof WComponentPeer) {
((WComponentPeer) cp).replaceSurfaceDataLater();
}
}
public void dispatchEvent(AWTEvent e) {
if (e instanceof ComponentEvent) {
Component comp = ((ComponentEvent) e).getComponent();
if (comp == awtFocussedComponent) {
if (awtFocussedComponentPeer == null || awtFocussedComponentPeer.isDisposed()) {
awtFocussedComponentPeer = getNearestNativePeer(comp);
}
if (awtFocussedComponentPeer != null) {
handleNativeIMEEvent(awtFocussedComponentPeer, e);
}
}
}
}
void initialize() {
List li = (List) target;
fm = getFontMetrics(li.getFont());
Font font = li.getFont();
if (font != null) setFont(font);
// add any items that were already inserted in the target.
int nitems = li.countItems();
if (nitems > 0) {
String[] items = new String[nitems];
int maxWidth = 0;
int width = 0;
for (int i = 0; i < nitems; i++) {
items[i] = li.getItem(i);
width = fm.stringWidth(items[i]);
if (width > maxWidth) {
maxWidth = width;
}
}
addItems(items, 0, maxWidth);
}
// set whether this list should allow multiple selections.
setMultipleSelections(li.allowsMultipleSelections());
// select the item if necessary.
int sel[] = li.getSelectedIndexes();
for (int i = 0; i < sel.length; i++) {
select(sel[i]);
}
// make the visible position visible.
// fix for 4676536 by [email protected]
// we should call makeVisible() after we call select()
// because of a bug in Windows which is manifested by
// incorrect scrolling of the selected item if the list
// height is less than an item height of the list.
int index = li.getVisibleIndex();
if (index < 0 && sel.length > 0) {
index = sel[0];
}
if (index >= 0) {
makeVisible(index);
}
super.initialize();
}
// update the fontmetrics when the font changes
public synchronized void setFont(Font f) {
super.setFont(f);
fm = getFontMetrics(((List) target).getFont());
updateMaxItemWidth();
}
public void run() {
if (getScrollChild() == null) {
return;
}
ScrollPane sp = (ScrollPane) WScrollPanePeer.this.target;
ScrollPaneAdjustable adj = null;
// ScrollPaneAdjustable made public in 1.4, but
// get[HV]Adjustable can't be declared to return
// ScrollPaneAdjustable because it would break backward
// compatibility -- hence the cast
if (orient == Adjustable.VERTICAL) {
adj = (ScrollPaneAdjustable) sp.getVAdjustable();
} else if (orient == Adjustable.HORIZONTAL) {
adj = (ScrollPaneAdjustable) sp.getHAdjustable();
} else {
if (dbg.on) dbg.assertion(false);
}
if (adj == null) {
return;
}
int newpos = adj.getValue();
switch (type) {
case AdjustmentEvent.UNIT_DECREMENT:
newpos -= adj.getUnitIncrement();
break;
case AdjustmentEvent.UNIT_INCREMENT:
newpos += adj.getUnitIncrement();
break;
case AdjustmentEvent.BLOCK_DECREMENT:
newpos -= adj.getBlockIncrement();
break;
case AdjustmentEvent.BLOCK_INCREMENT:
newpos += adj.getBlockIncrement();
break;
case AdjustmentEvent.TRACK:
newpos = this.pos;
break;
default:
if (dbg.on) dbg.assertion(false);
return;
}
// keep scroll position in acceptable range
newpos = Math.max(adj.getMinimum(), newpos);
newpos = Math.min(adj.getMaximum(), newpos);
// set value, this will synchronously fire an AdjustmentEvent
adj.setValueIsAdjusting(isAdjusting);
// Fix for 4075484 - consider type information when creating AdjustmentEvent
// We can't just call adj.setValue() because it creates AdjustmentEvent with type=TRACK
// Instead, we call private method setTypedValue of ScrollPaneAdjustable.
// Because ScrollPaneAdjustable is in another package we should call it through native code.
setTypedValue(adj, newpos, type);
// Paint the exposed area right away. To do this - find
// the heavyweight ancestor of the scroll child.
Component hwAncestor = getScrollChild();
while (hwAncestor != null && !(hwAncestor.getPeer() instanceof WComponentPeer)) {
hwAncestor = hwAncestor.getParent();
}
if (dbg.on) {
dbg.assertion(
hwAncestor != null, "couldn't find heavyweight ancestor of scroll pane child");
}
WComponentPeer hwPeer = (WComponentPeer) hwAncestor.getPeer();
hwPeer.paintDamagedAreaImmediately();
}
