MOZDynamicCursor.h

Enable keyboard shortcuts

/* 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 MOZDynamicCursor_h_

#define MOZDynamicCursor_h_

#import <Cocoa/Cocoa.h>

#include "nsIWidget.h"

// MOZDynamicCursor.sharedInstance is a singleton NSCursor object whose

// underlying cursor can be changed at runtime.

// It can be used in an NSView cursorRect so that the system will call

// -[NSCursor set] on it at the right moments, for example when the

// mouse moves into a window or when the cursor needs to be set after

// a drag operation or when a context menu closes.

@interface MOZDynamicCursor : NSCursor {

 @private

  NSMutableDictionary* mCursors;

  NSCursor* mCurrentCursor;

  nsCursor mCurrentCursorType;

// Sets non-custom cursors and can be used as a fallback if setting

// a custom cursor did not succeed.

- (void)setNonCustomCursor:(const nsIWidget::Cursor&)aCursor;

// As above, but returns an error if the cursor isn't custom or we couldn't set

// it for some reason.

- (nsresult)setCustomCursor:(const nsIWidget::Cursor&)aCursor

          widgetScaleFactor:(CGFloat)aWidgetScaleFactor

                forceUpdate:(bool)aForceUpdate;

+ (MOZDynamicCursor*)sharedInstance;

@end

#endif  // MOZDynamicCursor_h_