зеркало из https://github.com/mozilla/gecko-dev.git
69 строки
2.6 KiB
Objective-C
69 строки
2.6 KiB
Objective-C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsCursorManager_h_
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#define nsCursorManager_h_
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#import <Foundation/Foundation.h>
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#include "nsIWidget.h"
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#include "nsMacCursor.h"
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/*! @class nsCursorManager
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@abstract Singleton service provides access to all cursors available in the application.
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@discussion Use <code>nsCusorManager</code> to set the current cursor using
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an XP <code>nsCusor</code> enum value.
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<code>nsCursorManager</code> encapsulates the details of
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setting different types of cursors, animating cursors and
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cleaning up cursors when they are no longer in use.
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*/
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@interface nsCursorManager : NSObject {
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@private
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NSMutableDictionary *mCursors;
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nsMacCursor *mCurrentMacCursor;
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}
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/*! @method setCursor:
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@abstract Sets the current cursor.
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@discussion Sets the current cursor to the cursor indicated by the XP cursor constant given as
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an argument. Resources associated with the previous cursor are cleaned up.
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@param aCursor the cursor to use
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*/
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- (nsresult)setCursor:(nsCursor)aCursor;
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/*! @method setCursorWithImage:hotSpotX:hotSpotY:
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@abstract Sets the current cursor to a custom image
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@discussion Sets the current cursor to the cursor given by the aCursorImage argument.
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Resources associated with the previous cursor are cleaned up.
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@param aCursorImage the cursor image to use
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@param aHotSpotX the x coordinate of the cursor's hotspot
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@param aHotSpotY the y coordinate of the cursor's hotspot
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@param scaleFactor the scale factor of the target display (2 for a retina display)
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*/
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- (nsresult)setCursorWithImage:(imgIContainer *)aCursorImage
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hotSpotX:(uint32_t)aHotspotX
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hotSpotY:(uint32_t)aHotspotY
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scaleFactor:(CGFloat)scaleFactor;
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/*! @method sharedInstance
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@abstract Get the Singleton instance of the cursor manager.
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@discussion Use this method to obtain a reference to the cursor manager.
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@result a reference to the cursor manager
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*/
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+ (nsCursorManager *)sharedInstance;
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/*! @method dispose
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@abstract Releases the shared instance of the cursor manager.
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@discussion Use dispose to clean up the cursor manager and associated cursors.
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*/
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+ (void)dispose;
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@end
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@interface NSCursor (Undocumented)
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// busyButClickableCursor is an undocumented NSCursor API, but has been in use since
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// at least OS X 10.4 and through 10.9.
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+ (NSCursor *)busyButClickableCursor;
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@end
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#endif // nsCursorManager_h_
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