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