public void handleEvent(Event event) {
TableItem item = (TableItem) event.item;
int index = event.index;
item.setText(
0, app.hostManager.get(index).hostname + ":" + app.hostManager.get(index).port);
item.setText(1, app.hostManager.get(index).credentials.getUsername());
item.setText(2, app.hostManager.get(index).credentials.getPrivateKeyPath());
event.detail &= ~SWT.FOCUSED;
}
public Event sendEvent(final Widget w, final Widget item, final int event, int detail) {
try {
Event e = createEvent(w);
e.item = item;
e.detail = detail;
sendEventRaw(event, e);
return e;
} catch (SecurityException e) {
TeslaCore.log(e);
} catch (IllegalArgumentException e) {
TeslaCore.log(e);
}
return null;
}
void listEvent(Event event) {
switch (event.type) {
case SWT.Dispose:
if (getShell() != popup.getParent()) {
String[] items = list.getItems();
int selectionIndex = list.getSelectionIndex();
popup = null;
list = null;
createPopup(items, selectionIndex);
}
break;
case SWT.FocusIn:
{
handleFocus(SWT.FocusIn);
break;
}
case SWT.MouseUp:
{
if (event.button != 1) return;
dropDown(false);
break;
}
case SWT.Selection:
{
int index = list.getSelectionIndex();
if (index == -1) return;
text.setText(list.getItem(index));
// text.selectAll ();
list.setSelection(index);
// list.forceFocus();
Event e = new Event();
e.time = event.time;
e.stateMask = event.stateMask;
e.doit = event.doit;
notifyListeners(SWT.Selection, e);
event.doit = e.doit;
break;
}
case SWT.Traverse:
{
switch (event.detail) {
case SWT.TRAVERSE_RETURN:
case SWT.TRAVERSE_ESCAPE:
case SWT.TRAVERSE_ARROW_PREVIOUS:
case SWT.TRAVERSE_ARROW_NEXT:
event.doit = false;
break;
}
Event e = new Event();
e.time = event.time;
e.detail = event.detail;
e.doit = event.doit;
e.character = event.character;
e.keyCode = event.keyCode;
notifyListeners(SWT.Traverse, e);
event.doit = e.doit;
event.detail = e.detail;
break;
}
case SWT.KeyUp:
{
Event e = new Event();
e.time = event.time;
e.character = event.character;
e.keyCode = event.keyCode;
e.stateMask = event.stateMask;
notifyListeners(SWT.KeyUp, e);
break;
}
case SWT.KeyDown:
{
if (event.character == SWT.ESC) {
// Escape key cancels popup list
dropDown(false);
}
if ((event.stateMask & SWT.ALT) != 0
&& (event.keyCode == SWT.ARROW_UP || event.keyCode == SWT.ARROW_DOWN)) {
dropDown(false);
}
if (event.character == SWT.CR) {
// Enter causes default selection
dropDown(false);
Event e = new Event();
e.time = event.time;
e.stateMask = event.stateMask;
notifyListeners(SWT.DefaultSelection, e);
}
// At this point the widget may have been disposed.
// If so, do not continue.
if (isDisposed()) break;
Event e = new Event();
e.time = event.time;
e.character = event.character;
e.keyCode = event.keyCode;
e.stateMask = event.stateMask;
notifyListeners(SWT.KeyDown, e);
break;
}
}
}
void textEvent(Event event) {
switch (event.type) {
case SWT.FocusIn:
{
handleFocus(SWT.FocusIn);
break;
}
case SWT.KeyDown:
{
if (event.character == SWT.CR) {
dropDown(false);
Event e = new Event();
e.time = event.time;
e.stateMask = event.stateMask;
notifyListeners(SWT.DefaultSelection, e);
}
// At this point the widget may have been disposed.
// If so, do not continue.
if (isDisposed()) break;
if (event.keyCode == SWT.ARROW_UP || event.keyCode == SWT.ARROW_DOWN) {
event.doit = false;
if ((event.stateMask & SWT.ALT) != 0) {
boolean dropped = isDropped();
text.selectAll();
if (!dropped) setFocus();
dropDown(!dropped);
break;
}
int oldIndex = getSelectionIndex();
if (event.keyCode == SWT.ARROW_UP && popup.isVisible()) {
select(Math.max(oldIndex - 1, 0));
} else if (popup.isVisible()) {
select(Math.min(oldIndex + 1, getItemCount() - 1));
}
if (oldIndex != getSelectionIndex()) {
Event e = new Event();
e.time = event.time;
e.stateMask = event.stateMask;
notifyListeners(SWT.Selection, e);
}
// At this point the widget may have been disposed.
// If so, do not continue.
if (isDisposed()) break;
}
// Further work : Need to add support for incremental search in
// pop up list as characters typed in text widget
Event e = new Event();
e.time = event.time;
e.character = event.character;
e.keyCode = event.keyCode;
e.stateMask = event.stateMask;
notifyListeners(SWT.KeyDown, e);
break;
}
case SWT.KeyUp:
{
Event e = new Event();
e.time = event.time;
e.character = event.character;
e.keyCode = event.keyCode;
e.stateMask = event.stateMask;
notifyListeners(SWT.KeyUp, e);
break;
}
case SWT.Modify:
{
list.deselectAll();
Event e = new Event();
e.time = event.time;
notifyListeners(SWT.Modify, e);
break;
}
case SWT.MouseDown:
{
if (event.button != 1) return;
if (text.getEditable()) return;
boolean dropped = isDropped();
text.selectAll();
if (!dropped) setFocus();
dropDown(!dropped);
break;
}
case SWT.MouseUp:
{
if (event.button != 1) return;
if (text.getEditable()) return;
text.selectAll();
break;
}
case SWT.Traverse:
{
switch (event.detail) {
case SWT.TRAVERSE_RETURN:
case SWT.TRAVERSE_ARROW_PREVIOUS:
case SWT.TRAVERSE_ARROW_NEXT:
// The enter causes default selection and
// the arrow keys are used to manipulate the list contents so
// do not use them for traversal.
event.doit = false;
break;
}
Event e = new Event();
e.time = event.time;
e.detail = event.detail;
e.doit = event.doit;
e.character = event.character;
e.keyCode = event.keyCode;
notifyListeners(SWT.Traverse, e);
event.doit = e.doit;
event.detail = e.detail;
break;
}
}
}
// Key events from the control
public void handleEvent(Event e) {
if (!isValid()) {
return;
}
char key = e.character;
// Traverse events are handled depending on whether the
// event has a character.
if (e.type == SWT.Traverse) {
// If the traverse event contains a legitimate character,
// then we must set doit false so that the widget will
// receive the key event. We return immediately so that
// the character is handled only in the key event.
// See https://bugs.eclipse.org/bugs/show_bug.cgi?id=132101
if (key != 0) {
e.doit = false;
return;
}
// Traversal does not contain a character. Set doit true
// to indicate TRAVERSE_NONE will occur and that no key
// event will be triggered. We will check for navigation
// keys below.
e.detail = SWT.TRAVERSE_NONE;
e.doit = true;
} else {
// Default is to only propagate when configured that way.
// Some keys will always set doit to false anyway.
e.doit = adapter.getPropagateKeys();
}
// No character. Check for navigation keys.
if (key == 0) {
int newSelection = proposalTable.getSelectionIndex();
int visibleRows = (proposalTable.getSize().y / proposalTable.getItemHeight()) - 1;
switch (e.keyCode) {
case SWT.ARROW_UP:
newSelection -= 1;
if (newSelection < 0) {
newSelection = proposalTable.getItemCount() - 1;
}
// Not typical - usually we get this as a Traverse and
// therefore it never propagates. Added for consistency.
if (e.type == SWT.KeyDown) {
// don't propagate to control
e.doit = false;
}
break;
case SWT.ARROW_DOWN:
newSelection += 1;
if (newSelection > proposalTable.getItemCount() - 1) {
newSelection = 0;
}
// Not typical - usually we get this as a Traverse and
// therefore it never propagates. Added for consistency.
if (e.type == SWT.KeyDown) {
// don't propagate to control
e.doit = false;
}
break;
case SWT.PAGE_DOWN:
newSelection += visibleRows;
if (newSelection >= proposalTable.getItemCount()) {
newSelection = proposalTable.getItemCount() - 1;
}
if (e.type == SWT.KeyDown) {
// don't propagate to control
e.doit = false;
}
break;
case SWT.PAGE_UP:
newSelection -= visibleRows;
if (newSelection < 0) {
newSelection = 0;
}
if (e.type == SWT.KeyDown) {
// don't propagate to control
e.doit = false;
}
break;
case SWT.HOME:
newSelection = 0;
if (e.type == SWT.KeyDown) {
// don't propagate to control
e.doit = false;
}
break;
case SWT.END:
newSelection = proposalTable.getItemCount() - 1;
if (e.type == SWT.KeyDown) {
// don't propagate to control
e.doit = false;
}
break;
// If received as a Traverse, these should propagate
// to the control as keydown. If received as a keydown,
// proposals should be recomputed since the cursor
// position has changed.
case SWT.ARROW_LEFT:
case SWT.ARROW_RIGHT:
if (e.type == SWT.Traverse) {
e.doit = false;
} else {
e.doit = true;
String contents = adapter.getControlContentAdapter().getControlContents(control);
// If there are no contents, changes in cursor
// position have no effect. Note also that we do
// not affect the filter text on ARROW_LEFT as
// we would with BS.
if (contents.length() > 0) {
asyncRecomputeProposals();
}
}
break;
// Any unknown keycodes will cause the popup to close.
// Modifier keys are explicitly checked and ignored because
// they are not complete yet (no character).
default:
if (e.keyCode != SWT.CAPS_LOCK
&& e.keyCode != SWT.NUM_LOCK
&& e.keyCode != SWT.MOD1
&& e.keyCode != SWT.MOD2
&& e.keyCode != SWT.MOD3
&& e.keyCode != SWT.MOD4) {
close();
}
return;
}
// If any of these navigation events caused a new selection,
// then handle that now and return.
if (newSelection >= 0) {
selectProposal(newSelection);
}
return;
}
// key != 0
// Check for special keys involved in cancelling, accepting, or
// filtering the proposals.
switch (key) {
case SWT.ESC:
e.doit = false;
close();
break;
case SWT.LF:
case SWT.CR:
e.doit = false;
Object p = getSelectedProposal();
if (p != null) {
acceptCurrentProposal();
} else {
close();
}
break;
case SWT.TAB:
e.doit = false;
getShell().setFocus();
return;
case SWT.BS:
// There is no filtering provided by us, but some
// clients provide their own filtering based on content.
// Recompute the proposals if the cursor position
// will change (is not at 0).
int pos = adapter.getControlContentAdapter().getCursorPosition(control);
// We rely on the fact that the contents and pos do not yet
// reflect the result of the BS. If the contents were
// already empty, then BS should not cause
// a recompute.
if (pos > 0) {
asyncRecomputeProposals();
}
break;
default:
// If the key is a defined unicode character, and not one of
// the special cases processed above, update the filter text
// and filter the proposals.
if (Character.isDefined(key)) {
// Recompute proposals after processing this event.
asyncRecomputeProposals();
}
break;
}
}
