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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at
http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at
http://www.apache.org/licenses/LICENSE-2.0 .
*/
module com { module sun { module star { module awt {
/** makes it possible to receive keyboard events.
*
* This key handler is similar to com::sun::star::awt::XKeyListener.
* But this handler is easier to use and more flexible for many
* purposes.
*
* This handler is usually added via
* com::sun::star::awt::XUserInputInterception to the controller from
* com::sun::star::frame::XModel. While
* com::sun::star::awt::XKeyListener needs to be added to exactly the
* correct widget.
*
* Also this handler is more flexible then
* com::sun::star::awt::XKeyListener, because it optionally allows the
* consumption of key events. If a key event is consumed by one handler
* both the following handlers, with respect to the list of
* key handlers of the broadcaster, and a following handling by the
* broadcaster will not take place.
*
* @since OOo 1.1.2
*/
published interface XKeyHandler : ::com::sun::star::lang::XEventListener
{
/** This function is called by the broadcaster, an
::com::sun::star::awt::XExtendedToolkit for
instance, after a key has been pressed but before it is released.
The return value decides about whether other handlers will be
called and a handling by the broadcaster will take place.
<p>Consume the event if the action performed by the implementation
is mutually exclusive with the default action of the broadcaster or,
when known, with that of other handlers.</p>
<p>Consuming this event does not prevent the pending key-release
event from being broadcasted.</p>
@param aEvent
The key event informs about the pressed key.
@return
When `FALSE` is returned the other handlers are called and a
following handling of the event by the broadcaster takes place.
Otherwise, when `TRUE` is returned, no other handler will be
called and the broadcaster will take no further actions
regarding the event.
*/
boolean keyPressed ([in] com::sun::star::awt::KeyEvent aEvent);
/** This function is called by the broadcaster, an
::com::sun::star::awt::XExtendedToolkit for
instance, after a key has been pressed and released. The return
value decides about whether other handlers will be called and a
handling by the broadcaster will take place.
<p>Consume the event if the action performed by the implementation
is mutually exclusive with the default action of the broadcaster or,
when known, with that of other handlers.</p>
@param aEvent
The key event informs about the pressed key.
@return
When `FALSE` is returned the other handlers are called and a
following handling of the event by the broadcaster takes place.
Otherwise, when `TRUE` is returned, no other handler will be
called and the broadcaster will take no further actions
regarding the event.
*/
boolean keyReleased ([in] com::sun::star::awt::KeyEvent aEvent);
};
}; }; }; };
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