forked from mirrors/gecko-dev
105 lines
5.1 KiB
Objective-C
105 lines
5.1 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 nsMacCursor_h_
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#define nsMacCursor_h_
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#import <Cocoa/Cocoa.h>
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#import "nsIWidget.h"
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/*! @class nsMacCursor
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@abstract Represents a native Mac cursor.
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@discussion <code>nsMacCursor</code> provides a simple API for creating and working with native Macintosh cursors.
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Cursors can be created used without needing to be aware of the way different cursors are implemented,
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in particular the details of managing an animated cursor are hidden.
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*/
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@interface nsMacCursor : NSObject
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{
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@private
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NSTimer *mTimer;
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@protected
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nsCursor mType;
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int mFrameCounter;
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}
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/*! @method cursorWithCursor:
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@abstract Create a cursor by specifying a Cocoa <code>NSCursor</code>.
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@discussion Creates a cursor representing the given Cocoa built-in cursor.
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@param aCursor the <code>NSCursor</code> to use
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@param aType the corresponding <code>nsCursor</code> constant
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@result an autoreleased instance of <code>nsMacCursor</code> representing the given <code>NSCursor</code>
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*/
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+ (nsMacCursor *) cursorWithCursor: (NSCursor *) aCursor type: (nsCursor) aType;
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/*! @method cursorWithImageNamed:hotSpot:type:
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@abstract Create a cursor by specifying the name of an image resource to use for the cursor and a hotspot.
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@discussion Creates a cursor by loading the named image using the <code>+[NSImage imageNamed:]</code> method.
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<p>The image must be compatible with any restrictions laid down by <code>NSCursor</code>. These vary
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by operating system version.</p>
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<p>The hotspot precisely determines the point where the user clicks when using the cursor.</p>
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@param aCursor the name of the image to use for the cursor
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@param aPoint the point within the cursor to use as the hotspot
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@param aType the corresponding <code>nsCursor</code> constant
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@result an autoreleased instance of <code>nsMacCursor</code> that uses the given image and hotspot
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*/
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+ (nsMacCursor *) cursorWithImageNamed: (NSString *) aCursorImage hotSpot: (NSPoint) aPoint type: (nsCursor) aType;
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/*! @method cursorWithFrames:type:
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@abstract Create an animated cursor by specifying the frames to use for the animation.
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@discussion Creates a cursor that will animate by cycling through the given frames. Each element of the array
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must be an instance of <code>NSCursor</code>
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@param aCursorFrames an array of <code>NSCursor</code>, representing the frames of an animated cursor, in the
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order they should be played.
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@param aType the corresponding <code>nsCursor</code> constant
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@result an autoreleased instance of <code>nsMacCursor</code> that will animate the given cursor frames
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*/
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+ (nsMacCursor *) cursorWithFrames: (NSArray *) aCursorFrames type: (nsCursor) aType;
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/*! @method cocoaCursorWithImageNamed:hotSpot:
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@abstract Create a Cocoa NSCursor object with a Gecko image resource name and a hotspot point.
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@discussion Create a Cocoa NSCursor object with a Gecko image resource name and a hotspot point.
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@param imageName the name of the gecko image resource, "tiff" extension is assumed, do not append.
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@param aPoint the point within the cursor to use as the hotspot
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@result an autoreleased instance of <code>nsMacCursor</code> that will animate the given cursor frames
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*/
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+ (NSCursor *) cocoaCursorWithImageNamed: (NSString *) imageName hotSpot: (NSPoint) aPoint;
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/*! @method isSet
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@abstract Determines whether this cursor is currently active.
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@discussion This can be helpful when the Cocoa NSCursor state can be influenced without going
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through nsCursorManager.
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@result whether the cursor is currently set
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*/
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- (BOOL) isSet;
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/*! @method set
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@abstract Set the cursor.
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@discussion Makes this cursor the current cursor. If the cursor is animated, the animation is started.
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*/
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- (void) set;
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/*! @method unset
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@abstract Unset the cursor. The cursor will return to the default (usually the arrow cursor).
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@discussion Unsets the cursor. If the cursor is animated, the animation is stopped.
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*/
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- (void) unset;
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/*! @method isAnimated
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@abstract Tests whether this cursor is animated.
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@discussion Use this method to determine whether a cursor is animated
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@result YES if the cursor is animated (has more than one frame), NO if it is a simple static cursor.
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*/
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- (BOOL) isAnimated;
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/** @method cursorType
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@abstract Get the cursor type for this cursor
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@discussion This method returns the <code>nsCursor</code> constant that corresponds to this cursor, which is
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equivalent to the CSS name for the cursor.
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@result The nsCursor constant corresponding to this cursor, or nsCursor's 'eCursorCount' if the cursor
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is a custom cursor loaded from a URI
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*/
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- (nsCursor) type;
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@end
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#endif // nsMacCursor_h_
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