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comparison: layout/base/PositionedEventTargeting.h
layout/base/PositionedEventTargeting.h
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef mozilla_PositionedEventTargeting_h | |
| 6 #define mozilla_PositionedEventTargeting_h | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 #include "mozilla/EventForwards.h" | |
| 10 | |
| 11 class nsIFrame; | |
| 12 struct nsPoint; | |
| 13 | |
| 14 namespace mozilla { | |
| 15 | |
| 16 enum { | |
| 17 INPUT_IGNORE_ROOT_SCROLL_FRAME = 0x01 | |
| 18 }; | |
| 19 /** | |
| 20 * Finds the target frame for a pointer event given the event type and location. | |
| 21 * This can look for frames within a rectangle surrounding the actual location | |
| 22 * that are suitable targets, to account for inaccurate pointing devices. | |
| 23 */ | |
| 24 nsIFrame* | |
| 25 FindFrameTargetedByInputEvent(const WidgetGUIEvent* aEvent, | |
| 26 nsIFrame* aRootFrame, | |
| 27 const nsPoint& aPointRelativeToRootFrame, | |
| 28 uint32_t aFlags = 0); | |
| 29 | |
| 30 } | |
| 31 | |
| 32 #endif /* mozilla_PositionedEventTargeting_h */ |
