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Diffstat (limited to 'widget/cocoa/nsMacCursor.h')
| -rw-r--r-- | widget/cocoa/nsMacCursor.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/widget/cocoa/nsMacCursor.h b/widget/cocoa/nsMacCursor.h new file mode 100644 index 0000000000..fc97728da5 --- /dev/null +++ b/widget/cocoa/nsMacCursor.h @@ -0,0 +1,128 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsMacCursor_h_ +#define nsMacCursor_h_ + +#import <Cocoa/Cocoa.h> +#import "nsIWidget.h" + +/*! @class nsMacCursor + @abstract Represents a native Mac cursor. + @discussion <code>nsMacCursor</code> provides a simple API for creating and + working with native Macintosh cursors. Cursors can be created + used without needing to be aware of the way different cursors + are implemented, in particular the details of managing an + animated cursor are hidden. +*/ +@interface nsMacCursor : NSObject { + @private + NSTimer* mTimer; + @protected + nsCursor mType; + int mFrameCounter; +} + +/*! @method cursorWithCursor: + @abstract Create a cursor by specifying a Cocoa <code>NSCursor</code>. + @discussion Creates a cursor representing the given Cocoa built-in cursor. + @param aCursor the <code>NSCursor</code> to use + @param aType the corresponding <code>nsCursor</code> constant + @result an autoreleased instance of <code>nsMacCursor</code> + representing the given <code>NSCursor</code> + */ ++ (nsMacCursor*)cursorWithCursor:(NSCursor*)aCursor type:(nsCursor)aType; + +/*! @method cursorWithImageNamed:hotSpot:type: + @abstract Create a cursor by specifying the name of an image resource to + use for the cursor and a hotspot. + @discussion Creates a cursor by loading the named image using the + <code>+[NSImage imageNamed:]</code> method. + <p>The image must be compatible with any restrictions laid down + by <code>NSCursor</code>. These vary by operating system + version.</p> + <p>The hotspot precisely determines the point where the user + clicks when using the cursor.</p> + @param aCursor the name of the image to use for the cursor + @param aPoint the point within the cursor to use as the hotspot + @param aType the corresponding <code>nsCursor</code> constant + @result an autoreleased instance of <code>nsMacCursor</code> that uses the given image and + hotspot + */ ++ (nsMacCursor*)cursorWithImageNamed:(NSString*)aCursorImage + hotSpot:(NSPoint)aPoint + type:(nsCursor)aType; + +/*! @method cursorWithFrames:type: + @abstract Create an animated cursor by specifying the frames to use for + the animation. + @discussion Creates a cursor that will animate by cycling through the given + frames. Each element of the array must be an instance of + <code>NSCursor</code> + @param aCursorFrames an array of <code>NSCursor</code>, representing + the frames of an animated cursor, in the order they should be + played. + @param aType the corresponding <code>nsCursor</code> constant + @result an autoreleased instance of <code>nsMacCursor</code> that will + animate the given cursor frames + */ ++ (nsMacCursor*)cursorWithFrames:(NSArray*)aCursorFrames type:(nsCursor)aType; + +/*! @method cocoaCursorWithImageNamed:hotSpot: + @abstract Create a Cocoa NSCursor object with a Gecko image resource name + and a hotspot point. + @discussion Create a Cocoa NSCursor object with a Gecko image resource name + and a hotspot point. + @param imageName the name of the gecko image resource, "tiff" + extension is assumed, do not append. + @param aPoint the point within the cursor to use as the hotspot + @result an autoreleased instance of <code>nsMacCursor</code> that will + animate the given cursor frames + */ ++ (NSCursor*)cocoaCursorWithImageNamed:(NSString*)imageName hotSpot:(NSPoint)aPoint; + +/*! @method isSet + @abstract Determines whether this cursor is currently active. + @discussion This can be helpful when the Cocoa NSCursor state can be + influenced without going through nsCursorManager. + @result whether the cursor is currently set + */ +- (BOOL)isSet; + +/*! @method set + @abstract Set the cursor. + @discussion Makes this cursor the current cursor. If the cursor is + animated, the animation is started. + */ +- (void)set; + +/*! @method unset + @abstract Unset the cursor. The cursor will return to the default + (usually the arrow cursor). + @discussion Unsets the cursor. If the cursor is animated, the animation is + stopped. + */ +- (void)unset; + +/*! @method isAnimated + @abstract Tests whether this cursor is animated. + @discussion Use this method to determine whether a cursor is animated + @result YES if the cursor is animated (has more than one frame), NO if + it is a simple static cursor. + */ +- (BOOL)isAnimated; + +/** @method cursorType + @abstract Get the cursor type for this cursor + @discussion This method returns the <code>nsCursor</code> constant that + corresponds to this cursor, which is equivalent to the CSS + name for the cursor. + @result The nsCursor constant corresponding to this cursor, or + nsCursor's 'eCursorCount' if the cursor is a custom cursor + loaded from a URI + */ +- (nsCursor)type; +@end + +#endif // nsMacCursor_h_ |