зеркало из https://github.com/mozilla/gecko-dev.git
129 строки
5.4 KiB
Objective-C
129 строки
5.4 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
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working with native Macintosh cursors. Cursors can be created
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used without needing to be aware of the way different cursors
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are implemented, in particular the details of managing an
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animated cursor are hidden.
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*/
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@interface nsMacCursor : NSObject {
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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>
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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
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use for the cursor and a hotspot.
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@discussion Creates a cursor by loading the named image using the
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<code>+[NSImage imageNamed:]</code> method.
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<p>The image must be compatible with any restrictions laid down
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by <code>NSCursor</code>. These vary by operating system
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version.</p>
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<p>The hotspot precisely determines the point where the user
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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
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hotspot
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*/
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+ (nsMacCursor *)cursorWithImageNamed:(NSString *)aCursorImage
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hotSpot:(NSPoint)aPoint
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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
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the animation.
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@discussion Creates a cursor that will animate by cycling through the given
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frames. Each element of the array must be an instance of
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<code>NSCursor</code>
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@param aCursorFrames an array of <code>NSCursor</code>, representing
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the frames of an animated cursor, in the order they should be
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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
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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
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and a hotspot point.
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@discussion Create a Cocoa NSCursor object with a Gecko image resource name
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and a hotspot point.
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@param imageName the name of the gecko image resource, "tiff"
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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
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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
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influenced without going 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
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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
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(usually the arrow cursor).
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@discussion Unsets the cursor. If the cursor is animated, the animation is
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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
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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
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corresponds to this cursor, which is equivalent to the CSS
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name for the cursor.
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@result The nsCursor constant corresponding to this cursor, or
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nsCursor's 'eCursorCount' if the cursor is a custom cursor
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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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