gecko-dev/widget/cocoa/nsCursorManager.h

90 строки
3.7 KiB
Objective-C

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 nsCursors.
*
* The Initial Developer of the Original Code is Andrew Thompson.
* Portions created by the Andrew Thompson are Copyright (C) 2004
* Andrew Thompson. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsCursorManager_h_
#define nsCursorManager_h_
#import <Foundation/Foundation.h>
#include "nsIWidget.h"
#include "nsMacCursor.h"
/*! @class nsCursorManager
@abstract Singleton service provides access to all cursors available in the application.
@discussion Use <code>nsCusorManager</code> to set the current cursor using an XP <code>nsCusor</code> enum value.
<code>nsCursorManager</code> encapsulates the details of setting different types of cursors, animating
cursors and cleaning up cursors when they are no longer in use.
*/
@interface nsCursorManager : NSObject
{
@private
NSMutableDictionary *mCursors;
nsMacCursor *mCurrentMacCursor;
}
/*! @method setCursor:
@abstract Sets the current cursor.
@discussion Sets the current cursor to the cursor indicated by the XP cursor constant given as an argument.
Resources associated with the previous cursor are cleaned up.
@param aCursor the cursor to use
*/
- (nsresult) setCursor: (nsCursor) aCursor;
/*! @method setCursorWithImage:hotSpotX:hotSpotY:
@abstract Sets the current cursor to a custom image
@discussion Sets the current cursor to the cursor given by the aCursorImage argument.
Resources associated with the previous cursor are cleaned up.
@param aCursorImage the cursor image to use
@param aHotSpotX the x coordinate of the cursor's hotspot
@param aHotSpotY the y coordinate of the cursor's hotspot
*/
- (nsresult) setCursorWithImage: (imgIContainer*) aCursorImage hotSpotX: (PRUint32) aHotspotX hotSpotY: (PRUint32) aHotspotY;
/*! @method sharedInstance
@abstract Get the Singleton instance of the cursor manager.
@discussion Use this method to obtain a reference to the cursor manager.
@result a reference to the cursor manager
*/
+ (nsCursorManager *) sharedInstance;
/*! @method dispose
@abstract Releases the shared instance of the cursor manager.
@discussion Use dispose to clean up the cursor manager and associated cursors.
*/
+ (void) dispose;
@end
#endif // nsCursorManager_h_