зеркало из https://github.com/mozilla/gecko-dev.git
86 строки
2.7 KiB
C++
86 строки
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* 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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/**
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Eric D Vaughan
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This class lays out its children either vertically or horizontally
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**/
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#ifndef nsScrollbarButtonFrame_h___
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#define nsScrollbarButtonFrame_h___
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#include "mozilla/Attributes.h"
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#include "nsButtonBoxFrame.h"
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#include "nsITimer.h"
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#include "nsRepeatService.h"
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class nsSliderFrame;
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class nsScrollbarButtonFrame : public nsButtonBoxFrame
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{
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public:
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NS_DECL_FRAMEARENA_HELPERS
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explicit nsScrollbarButtonFrame(nsStyleContext* aContext):
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nsButtonBoxFrame(aContext), mCursorOnThis(false) {}
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// Overrides
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virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
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friend nsIFrame* NS_NewScrollbarButtonFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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virtual nsresult HandleEvent(nsPresContext* aPresContext,
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mozilla::WidgetGUIEvent* aEvent,
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nsEventStatus* aEventStatus) MOZ_OVERRIDE;
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static nsresult GetChildWithTag(nsPresContext* aPresContext,
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nsIAtom* atom, nsIFrame* start, nsIFrame*& result);
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static nsresult GetParentWithTag(nsIAtom* atom, nsIFrame* start, nsIFrame*& result);
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bool HandleButtonPress(nsPresContext* aPresContext,
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mozilla::WidgetGUIEvent* aEvent,
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nsEventStatus* aEventStatus);
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NS_IMETHOD HandleMultiplePress(nsPresContext* aPresContext,
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mozilla::WidgetGUIEvent* aEvent,
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nsEventStatus* aEventStatus,
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bool aControlHeld) MOZ_OVERRIDE
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{
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return NS_OK;
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}
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NS_IMETHOD HandleDrag(nsPresContext* aPresContext,
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mozilla::WidgetGUIEvent* aEvent,
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nsEventStatus* aEventStatus) MOZ_OVERRIDE
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{
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return NS_OK;
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}
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NS_IMETHOD HandleRelease(nsPresContext* aPresContext,
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mozilla::WidgetGUIEvent* aEvent,
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nsEventStatus* aEventStatus) MOZ_OVERRIDE;
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protected:
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virtual void MouseClicked(nsPresContext* aPresContext,
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mozilla::WidgetGUIEvent* aEvent) MOZ_OVERRIDE;
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void StartRepeat() {
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nsRepeatService::GetInstance()->Start(Notify, this);
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}
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void StopRepeat() {
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nsRepeatService::GetInstance()->Stop(Notify, this);
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}
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void Notify();
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static void Notify(void* aData) {
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static_cast<nsScrollbarButtonFrame*>(aData)->Notify();
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}
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bool mCursorOnThis;
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};
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#endif
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