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layout/xul/nsTextBoxFrame.h@925c144e1f1f (annotated)

layout/xul/nsTextBoxFrame.h

Fri, 16 Jan 2015 18:13:44 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Fri, 16 Jan 2015 18:13:44 +0100

branch

TOR_BUG_9701

changeset 14

925c144e1f1f

permissions

-rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5	#ifndef nsTextBoxFrame_h___
michael@0	6	#define nsTextBoxFrame_h___
michael@0	7
michael@0	8	#include "mozilla/Attributes.h"
michael@0	9	#include "nsLeafBoxFrame.h"
michael@0	10
michael@0	11	class nsAccessKeyInfo;
michael@0	12	class nsAsyncAccesskeyUpdate;
michael@0	13
michael@0	14	typedef nsLeafBoxFrame nsTextBoxFrameSuper;
michael@0	15	class nsTextBoxFrame : public nsTextBoxFrameSuper
michael@0	16	{
michael@0	17	public:
michael@0	18	NS_DECL_QUERYFRAME_TARGET(nsTextBoxFrame)
michael@0	19	NS_DECL_QUERYFRAME
michael@0	20	NS_DECL_FRAMEARENA_HELPERS
michael@0	21
michael@0	22	virtual nsSize GetPrefSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
michael@0	23	virtual nsSize GetMinSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
michael@0	24	virtual nscoord GetBoxAscent(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
michael@0	25	NS_IMETHOD DoLayout(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
michael@0	26	virtual void MarkIntrinsicWidthsDirty() MOZ_OVERRIDE;
michael@0	27
michael@0	28	enum CroppingStyle { CropNone, CropLeft, CropRight, CropCenter };
michael@0	29
michael@0	30	friend nsIFrame* NS_NewTextBoxFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
michael@0	31
michael@0	32	virtual void Init(nsIContent* aContent,
michael@0	33	nsIFrame* aParent,
michael@0	34	nsIFrame* asPrevInFlow) MOZ_OVERRIDE;
michael@0	35
michael@0	36	virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
michael@0	37
michael@0	38	virtual nsresult AttributeChanged(int32_t aNameSpaceID,
michael@0	39	nsIAtom* aAttribute,
michael@0	40	int32_t aModType) MOZ_OVERRIDE;
michael@0	41
michael@0	42	#ifdef DEBUG_FRAME_DUMP
michael@0	43	virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
michael@0	44	#endif
michael@0	45
michael@0	46	void UpdateAttributes(nsIAtom* aAttribute,
michael@0	47	bool& aResize,
michael@0	48	bool& aRedraw);
michael@0	49
michael@0	50	virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
michael@0	51	const nsRect& aDirtyRect,
michael@0	52	const nsDisplayListSet& aLists) MOZ_OVERRIDE;
michael@0	53
michael@0	54	virtual ~nsTextBoxFrame();
michael@0	55
michael@0	56	void PaintTitle(nsRenderingContext& aRenderingContext,
michael@0	57	const nsRect& aDirtyRect,
michael@0	58	nsPoint aPt,
michael@0	59	const nscolor* aOverrideColor);
michael@0	60
michael@0	61	nsRect GetComponentAlphaBounds();
michael@0	62
michael@0	63	virtual bool ComputesOwnOverflowArea() MOZ_OVERRIDE;
michael@0	64
michael@0	65	void GetCroppedTitle(nsString& aTitle) const { aTitle = mCroppedTitle; }
michael@0	66
michael@0	67	protected:
michael@0	68	friend class nsAsyncAccesskeyUpdate;
michael@0	69	friend class nsDisplayXULTextBox;
michael@0	70	// Should be called only by nsAsyncAccesskeyUpdate.
michael@0	71	// Returns true if accesskey was updated.
michael@0	72	bool UpdateAccesskey(nsWeakFrame& aWeakThis);
michael@0	73	void UpdateAccessTitle();
michael@0	74	void UpdateAccessIndex();
michael@0	75
michael@0	76	// REVIEW: SORRY! Couldn't resist devirtualizing these
michael@0	77	void LayoutTitle(nsPresContext* aPresContext,
michael@0	78	nsRenderingContext& aRenderingContext,
michael@0	79	const nsRect& aRect);
michael@0	80
michael@0	81	void CalculateUnderline(nsRenderingContext& aRenderingContext);
michael@0	82
michael@0	83	void CalcTextSize(nsBoxLayoutState& aBoxLayoutState);
michael@0	84
michael@0	85	void CalcDrawRect(nsRenderingContext &aRenderingContext);
michael@0	86
michael@0	87	nsTextBoxFrame(nsIPresShell* aShell, nsStyleContext* aContext);
michael@0	88
michael@0	89	nscoord CalculateTitleForWidth(nsPresContext* aPresContext,
michael@0	90	nsRenderingContext& aRenderingContext,
michael@0	91	nscoord aWidth);
michael@0	92
michael@0	93	void GetTextSize(nsPresContext* aPresContext,
michael@0	94	nsRenderingContext& aRenderingContext,
michael@0	95	const nsString& aString,
michael@0	96	nsSize& aSize,
michael@0	97	nscoord& aAscent);
michael@0	98
michael@0	99	nsresult RegUnregAccessKey(bool aDoReg);
michael@0	100
michael@0	101	private:
michael@0	102
michael@0	103	bool AlwaysAppendAccessKey();
michael@0	104	bool InsertSeparatorBeforeAccessKey();
michael@0	105
michael@0	106	void DrawText(nsRenderingContext& aRenderingContext,
michael@0	107	const nsRect& aDirtyRect,
michael@0	108	const nsRect& aTextRect,
michael@0	109	const nscolor* aOverrideColor);
michael@0	110
michael@0	111	nsString mTitle;
michael@0	112	nsString mCroppedTitle;
michael@0	113	nsString mAccessKey;
michael@0	114	nsSize mTextSize;
michael@0	115	nsRect mTextDrawRect;
michael@0	116	nsAccessKeyInfo* mAccessKeyInfo;
michael@0	117
michael@0	118	CroppingStyle mCropType;
michael@0	119	nscoord mAscent;
michael@0	120	bool mNeedsRecalc;
michael@0	121	bool mNeedsReflowCallback;
michael@0	122
michael@0	123	static bool gAlwaysAppendAccessKey;
michael@0	124	static bool gAccessKeyPrefInitialized;
michael@0	125	static bool gInsertSeparatorBeforeAccessKey;
michael@0	126	static bool gInsertSeparatorPrefInitialized;
michael@0	127
michael@0	128	}; // class nsTextBoxFrame
michael@0	129
michael@0	130	#endif /* nsTextBoxFrame_h___ */