layout/xul/nsTextBoxFrame.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/xul/nsTextBoxFrame.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,130 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +#ifndef nsTextBoxFrame_h___
     1.9 +#define nsTextBoxFrame_h___
    1.10 +
    1.11 +#include "mozilla/Attributes.h"
    1.12 +#include "nsLeafBoxFrame.h"
    1.13 +
    1.14 +class nsAccessKeyInfo;
    1.15 +class nsAsyncAccesskeyUpdate;
    1.16 +
    1.17 +typedef nsLeafBoxFrame nsTextBoxFrameSuper;
    1.18 +class nsTextBoxFrame : public nsTextBoxFrameSuper
    1.19 +{
    1.20 +public:
    1.21 +  NS_DECL_QUERYFRAME_TARGET(nsTextBoxFrame)
    1.22 +  NS_DECL_QUERYFRAME
    1.23 +  NS_DECL_FRAMEARENA_HELPERS
    1.24 +
    1.25 +  virtual nsSize GetPrefSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
    1.26 +  virtual nsSize GetMinSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
    1.27 +  virtual nscoord GetBoxAscent(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
    1.28 +  NS_IMETHOD DoLayout(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
    1.29 +  virtual void MarkIntrinsicWidthsDirty() MOZ_OVERRIDE;
    1.30 +
    1.31 +  enum CroppingStyle { CropNone, CropLeft, CropRight, CropCenter };
    1.32 +
    1.33 +  friend nsIFrame* NS_NewTextBoxFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
    1.34 +
    1.35 +  virtual void Init(nsIContent*      aContent,
    1.36 +                    nsIFrame*        aParent,
    1.37 +                    nsIFrame*        asPrevInFlow) MOZ_OVERRIDE;
    1.38 +
    1.39 +  virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
    1.40 +
    1.41 +  virtual nsresult AttributeChanged(int32_t         aNameSpaceID,
    1.42 +                                    nsIAtom*        aAttribute,
    1.43 +                                    int32_t         aModType) MOZ_OVERRIDE;
    1.44 +
    1.45 +#ifdef DEBUG_FRAME_DUMP
    1.46 +  virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
    1.47 +#endif
    1.48 +
    1.49 +  void UpdateAttributes(nsIAtom*         aAttribute,
    1.50 +                        bool&          aResize,
    1.51 +                        bool&          aRedraw);
    1.52 +
    1.53 +  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
    1.54 +                                const nsRect&           aDirtyRect,
    1.55 +                                const nsDisplayListSet& aLists) MOZ_OVERRIDE;
    1.56 +
    1.57 +  virtual ~nsTextBoxFrame();
    1.58 +
    1.59 +  void PaintTitle(nsRenderingContext& aRenderingContext,
    1.60 +                  const nsRect&        aDirtyRect,
    1.61 +                  nsPoint              aPt,
    1.62 +                  const nscolor*       aOverrideColor);
    1.63 +
    1.64 +  nsRect GetComponentAlphaBounds();
    1.65 +
    1.66 +  virtual bool ComputesOwnOverflowArea() MOZ_OVERRIDE;
    1.67 +
    1.68 +  void GetCroppedTitle(nsString& aTitle) const { aTitle = mCroppedTitle; }
    1.69 +
    1.70 +protected:
    1.71 +  friend class nsAsyncAccesskeyUpdate;
    1.72 +  friend class nsDisplayXULTextBox;
    1.73 +  // Should be called only by nsAsyncAccesskeyUpdate.
    1.74 +  // Returns true if accesskey was updated.
    1.75 +  bool UpdateAccesskey(nsWeakFrame& aWeakThis);
    1.76 +  void UpdateAccessTitle();
    1.77 +  void UpdateAccessIndex();
    1.78 +
    1.79 +  // REVIEW: SORRY! Couldn't resist devirtualizing these
    1.80 +  void LayoutTitle(nsPresContext*      aPresContext,
    1.81 +                   nsRenderingContext& aRenderingContext,
    1.82 +                   const nsRect&        aRect);
    1.83 +
    1.84 +  void CalculateUnderline(nsRenderingContext& aRenderingContext);
    1.85 +
    1.86 +  void CalcTextSize(nsBoxLayoutState& aBoxLayoutState);
    1.87 +
    1.88 +  void CalcDrawRect(nsRenderingContext &aRenderingContext);
    1.89 +
    1.90 +  nsTextBoxFrame(nsIPresShell* aShell, nsStyleContext* aContext);
    1.91 +
    1.92 +  nscoord CalculateTitleForWidth(nsPresContext*      aPresContext,
    1.93 +                                 nsRenderingContext& aRenderingContext,
    1.94 +                                 nscoord              aWidth);
    1.95 +
    1.96 +  void GetTextSize(nsPresContext*      aPresContext,
    1.97 +                   nsRenderingContext& aRenderingContext,
    1.98 +                   const nsString&      aString,
    1.99 +                   nsSize&              aSize,
   1.100 +                   nscoord&             aAscent);
   1.101 +
   1.102 +  nsresult RegUnregAccessKey(bool aDoReg);
   1.103 +
   1.104 +private:
   1.105 +
   1.106 +  bool AlwaysAppendAccessKey();
   1.107 +  bool InsertSeparatorBeforeAccessKey();
   1.108 +
   1.109 +  void DrawText(nsRenderingContext& aRenderingContext,
   1.110 +                const nsRect&       aDirtyRect,
   1.111 +                const nsRect&       aTextRect,
   1.112 +                const nscolor*      aOverrideColor);
   1.113 +
   1.114 +  nsString mTitle;
   1.115 +  nsString mCroppedTitle;
   1.116 +  nsString mAccessKey;
   1.117 +  nsSize mTextSize;
   1.118 +  nsRect mTextDrawRect;
   1.119 +  nsAccessKeyInfo* mAccessKeyInfo;
   1.120 +
   1.121 +  CroppingStyle mCropType;
   1.122 +  nscoord mAscent;
   1.123 +  bool mNeedsRecalc;
   1.124 +  bool mNeedsReflowCallback;
   1.125 +
   1.126 +  static bool gAlwaysAppendAccessKey;
   1.127 +  static bool gAccessKeyPrefInitialized;
   1.128 +  static bool gInsertSeparatorBeforeAccessKey;
   1.129 +  static bool gInsertSeparatorPrefInitialized;
   1.130 +
   1.131 +}; // class nsTextBoxFrame
   1.132 +
   1.133 +#endif /* nsTextBoxFrame_h___ */

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