forked from mirrors/gecko-dev
114 lines
3.9 KiB
C++
114 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#ifndef nsCheckboxRadioFrame_h___
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#define nsCheckboxRadioFrame_h___
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#include "mozilla/Attributes.h"
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#include "nsIFormControlFrame.h"
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#include "nsAtomicContainerFrame.h"
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#include "nsDisplayList.h"
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/**
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* nsCheckboxRadioFrame is used for radio buttons and checkboxes.
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* It also has two static methods (RegUnRegAccessKey and
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* GetScreenHeight) that are used by other form controls.
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*/
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class nsCheckboxRadioFrame final : public nsAtomicContainerFrame,
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public nsIFormControlFrame {
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public:
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS(nsCheckboxRadioFrame)
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explicit nsCheckboxRadioFrame(ComputedStyle* aStyle,
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nsPresContext* aPresContext);
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// nsIFrame replacements
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virtual bool IsFrameOfType(uint32_t aFlags) const override {
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return nsAtomicContainerFrame::IsFrameOfType(
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aFlags & ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
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}
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsDisplayListSet& aLists) override {
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DO_GLOBAL_REFLOW_COUNT_DSP("nsCheckboxRadioFrame");
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DisplayBorderBackgroundOutline(aBuilder, aLists);
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}
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/**
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* Both GetMinISize and GetPrefISize will return whatever GetIntrinsicISize
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* returns.
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*/
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virtual nscoord GetMinISize(gfxContext* aRenderingContext) override;
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virtual nscoord GetPrefISize(gfxContext* aRenderingContext) override;
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/**
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* Our auto size is just intrinsic width and intrinsic height.
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*/
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virtual mozilla::LogicalSize ComputeAutoSize(
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gfxContext* aRenderingContext, mozilla::WritingMode aWM,
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const mozilla::LogicalSize& aCBSize, nscoord aAvailableISize,
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const mozilla::LogicalSize& aMargin, const mozilla::LogicalSize& aBorder,
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const mozilla::LogicalSize& aPadding, ComputeSizeFlags aFlags) override;
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/**
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* Respond to a gui event
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* @see nsIFrame::HandleEvent
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*/
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virtual nsresult HandleEvent(nsPresContext* aPresContext,
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mozilla::WidgetGUIEvent* aEvent,
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nsEventStatus* aEventStatus) override;
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virtual nscoord GetLogicalBaseline(
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mozilla::WritingMode aWritingMode) const override;
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/**
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* Respond to the request to resize and/or reflow
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* @see nsIFrame::Reflow
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*/
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virtual void Reflow(nsPresContext* aCX, ReflowOutput& aDesiredSize,
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const ReflowInput& aReflowInput,
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nsReflowStatus& aStatus) override;
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virtual void DestroyFrom(nsIFrame* aDestructRoot,
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PostDestroyData& aPostDestroyData) override;
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// new behavior
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virtual void SetFocus(bool aOn = true, bool aRepaint = false) override;
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// nsIFormControlFrame
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virtual nsresult SetFormProperty(nsAtom* aName,
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const nsAString& aValue) override;
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// AccessKey Helper function
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static nsresult RegUnRegAccessKey(nsIFrame* aFrame, bool aDoReg);
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/**
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* Returns the usable screen rect in app units, eg the rect where we can
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* draw dropdowns.
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*/
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static nsRect GetUsableScreenRect(nsPresContext* aPresContext);
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protected:
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virtual ~nsCheckboxRadioFrame();
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static nscoord DefaultSize() {
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// XXXmats We have traditionally always returned 9px for GetMin/PrefISize
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// but we might want to factor in what the theme says, something like:
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// GetMinimumWidgetSize - GetWidgetPadding - GetWidgetBorder.
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return nsPresContext::CSSPixelsToAppUnits(9);
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}
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/**
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* Get the state of the checked attribute.
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* @param aState set to true if the checked attribute is set,
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* false if the checked attribute has been removed
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*/
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void GetCurrentCheckState(bool* aState);
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};
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#endif
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