gecko-dev/widget/public/nsIPointerService.h

49 строки
1.5 KiB
C++

/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the mozilla.org code.
*
* The Initial Developer of the Original Code is Christopher Blizzard.
* Portions created Christopher Blizzard are Copyright (C) Christopher
* Blizzard. All Rights Reserved.
*
* Contributor(s):
*/
#ifndef nsIPointerService_h_
#define nsIPointerService_h_
#include <nsIWidget.h>
#define NS_IPOINTERSERVICE_IID \
{ 0xabde6104, 0x1dd1, 0x11b2, { 0x8e, 0x8f, 0xb2, 0xe4, 0x76, 0x8b, 0xbb, 0xfb } };
#define NS_IPOINTERSERVICE_CONTRACTID \
"@mozilla.org/widget/pointer-service;1"
class nsIPointerService : public nsISupports {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IPOINTERSERVICE_IID);
// This method will return the widget that is currently under the
// pointer. If there is no widget under the pointer it will return
// 0.
// This call is EXTRAORDINARILY EXPENSIVE UNDER X. Please don't
// use it unless you have to.
NS_IMETHOD WidgetUnderPointer(nsIWidget **_retval,
PRUint32 *aXOffset, PRUint32 *aYOffset) = 0;
};
#endif /* nsIPointerService_h_ */