gecko-dev/layout/forms/nsListControlFrame.h
1999-01-22 15:56:21 +00:00

301 lines
11 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are Copyright (C) 1998
* Netscape Communications Corporation. All Rights Reserved.
*/
#ifndef nsListControlFrame_h___
#define nsListControlFrame_h___
//#include "nsHTMLContainerFrame.h"
#include "nsScrollFrame.h"
#include "nsIDOMFocusListener.h"
#include "nsIPresContext.h"
#include "nsIFormControlFrame.h"
#ifdef PLUGGABLE_EVENTS
#include "nsIPluggableEventListener.h"
#endif
#include "nsIListControlFrame.h"
class nsIDOMHTMLSelectElement;
class nsIDOMHTMLCollection;
class nsIDOMHTMLOptionElement;
class nsFormFrame;
class nsScrollFrame;
class nsIComboboxControlFrame;
#if 0
struct nsInputDimSpec
{
nsIAtom* mColSizeAttr; // attribute used to determine width
PRBool mColSizeAttrInPixels; // is attribute value in pixels (otherwise num chars)
nsIAtom* mColValueAttr; // attribute used to get value to determine size
// if not determined above
nsString* mColDefaultValue; // default value if not determined above
nscoord mColDefaultSize; // default width if not determined above
PRBool mColDefaultSizeInPixels; // is default width in pixels (otherswise num chars)
nsIAtom* mRowSizeAttr; // attribute used to determine height
nscoord mRowDefaultSize; // default height if not determined above
nsInputDimSpec(nsIAtom* aColSizeAttr, PRBool aColSizeAttrInPixels,
nsIAtom* aColValueAttr, nsString* aColDefaultValue,
nscoord aColDefaultSize, PRBool aColDefaultSizeInPixels,
nsIAtom* aRowSizeAttr, nscoord aRowDefaultSize)
: mColSizeAttr(aColSizeAttr), mColSizeAttrInPixels(aColSizeAttrInPixels),
mColValueAttr(aColValueAttr),
mColDefaultValue(aColDefaultValue), mColDefaultSize(aColDefaultSize),
mColDefaultSizeInPixels(aColDefaultSizeInPixels),
mRowSizeAttr(aRowSizeAttr), mRowDefaultSize(aRowDefaultSize)
{
}
};
#endif
/**
* The block frame has two additional named child lists:
* - "Floater-list" which contains the floated frames
* - "Bullet-list" which contains the bullet frame
*
* @see nsLayoutAtoms::bulletList
* @see nsLayoutAtoms::floaterList
*/
class nsListControlFrame : public nsScrollFrame,
public nsIFormControlFrame,
public nsIListControlFrame
#ifdef PLUGGABLE_EVENTS
public nsIPluggableEventListener
#endif
{
public:
friend nsresult NS_NewListControlFrame(nsIFrame*& aNewFrame);
// nsISupports
NS_DECL_ISUPPORTS
// nsISupports overrides
// NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
NS_IMETHOD GetFrameForPoint(const nsPoint& aPoint, nsIFrame** aFrame);
NS_IMETHOD HandleEvent(nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus);
// nsIFrame
NS_IMETHOD SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList);
NS_IMETHOD Reflow(nsIPresContext& aCX,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
//
/* virtual nsresult AppendNewFrames(nsIPresContext& aPresContext, nsIFrame*);
virtual nsresult InsertNewFrame(nsIPresContext& aPresContext,
nsBaseIBFrame* aParentFrame,
nsIFrame* aNewFrame,
nsIFrame* aPrevSibling);
virtual nsresult DoRemoveFrame(nsBlockReflowState& aState,
nsBaseIBFrame* aParentFrame,
nsIFrame* aDeletedFrame,
nsIFrame* aPrevSibling);
*/
NS_IMETHOD Init(nsIPresContext& aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsIStyleContext* aContext);
NS_IMETHOD Deselect();
#if 0
virtual void GetStyleSize(nsIPresContext& aContext,
const nsHTMLReflowState& aReflowState,
nsSize& aSize);
#endif
virtual void GetDesiredSize(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aDesiredLayoutSize,
nsSize& aDesiredWidgetSize);
#if 0
nscoord CalculateSize (nsIPresContext* aPresContext, nsListControlFrame* aFrame,
const nsSize& aCSSSize, nsInputDimSpec& aDimensionSpec,
nsSize& aBounds, PRBool& aWidthExplicit,
PRBool& aHeightExplicit, nscoord& aRowSize,
nsIRenderingContext *aRendContext);
#endif
/*virtual nsresult Focus(nsIDOMEvent* aEvent);
virtual nsresult Blur(nsIDOMEvent* aEvent);
virtual nsresult ProcessEvent(nsIDOMEvent* aEvent);
NS_IMETHOD AddEventListener(nsIDOMNode * aNode);
NS_IMETHOD RemoveEventListener(nsIDOMNode * aNode);
NS_IMETHOD DeleteFrame(nsIPresContext& aPresContext);*/
NS_METHOD GetMultiple(PRBool* aResult, nsIDOMHTMLSelectElement* aSelect = nsnull);
///XXX: End o the temporary methods
#if 0
nscoord GetTextSize(nsIPresContext& aContext, nsListControlFrame* aFrame,
const nsString& aString, nsSize& aSize,
nsIRenderingContext *aRendContext);
nscoord GetTextSize(nsIPresContext& aContext, nsListControlFrame* aFrame,
PRInt32 aNumChars, nsSize& aSize,
nsIRenderingContext *aRendContext);
#endif
NS_IMETHOD GetSize(PRInt32* aSize) const;
NS_IMETHOD GetMaxLength(PRInt32* aSize);
static void GetScrollBarDimensions(nsIPresContext& aPresContext,
nscoord &aWidth, nscoord &aHeight);
virtual nscoord GetVerticalBorderWidth(float aPixToTwip) const;
virtual nscoord GetHorizontalBorderWidth(float aPixToTwip) const;
virtual nscoord GetVerticalInsidePadding(float aPixToTwip,
nscoord aInnerHeight) const;
virtual nscoord GetHorizontalInsidePadding(nsIPresContext& aPresContext,
float aPixToTwip,
nscoord aInnerWidth,
nscoord aCharWidth) const;
NS_IMETHOD GetFont(nsIPresContext* aPresContext,
nsFont& aFont);
NS_IMETHOD GetFormContent(nsIContent*& aContent) const;
// nsIFrame
NS_IMETHOD SetRect(const nsRect& aRect);
NS_IMETHOD SizeTo(nscoord aWidth, nscoord aHeight);
/////////////////////////
// nsHTMLContainerFrame
/////////////////////////
virtual PRIntn GetSkipSides() const;
/////////////////////////
// nsIFormControlFrame
/////////////////////////
NS_IMETHOD GetType(PRInt32* aType) const;
NS_IMETHOD GetName(nsString* aName);
virtual void SetFocus(PRBool aOn = PR_TRUE, PRBool aRepaint = PR_FALSE);
virtual void MouseClicked(nsIPresContext* aPresContext);
virtual void Reset();
virtual PRBool IsSuccessful(nsIFormControlFrame* aSubmitter);
virtual PRInt32 GetMaxNumValues();
virtual PRBool GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
nsString* aValues, nsString* aNames);
virtual void SetFormFrame(nsFormFrame* aFrame);
// nsIPluggableEventListener
NS_IMETHOD PluggableEventHandler(nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus);
NS_IMETHOD PluggableGetFrameForPoint(const nsPoint& aPoint,
nsIFrame** aFrame);
// nsIListControlFrame
NS_IMETHOD SetComboboxFrame(nsIFrame* aComboboxFrame);
NS_IMETHOD GetSelectedItem(nsString & aStr);
NS_IMETHOD AboutToDropDown();
// Static Methods
static nsIDOMHTMLSelectElement* GetSelect(nsIContent * aContent);
static nsIDOMHTMLCollection* GetOptions(nsIContent * aContent, nsIDOMHTMLSelectElement* aSelect = nsnull);
static nsIDOMHTMLOptionElement* GetOption(nsIDOMHTMLCollection& aOptions, PRUint32 aIndex);
static PRBool GetOptionValue(nsIDOMHTMLCollection& aCollecton, PRUint32 aIndex, nsString& aValue);
protected:
nsListControlFrame();
virtual ~nsListControlFrame();
nsIFrame * GetOptionFromChild(nsIFrame* aParentFrame);
nsresult GetFrameForPointUsing(const nsPoint& aPoint,
nsIAtom* aList,
nsIFrame** aFrame);
// nsHTMLContainerFrame overrides
virtual void PaintChildren(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer);
void ClearSelection();
void InitializeFromContent(PRBool aDoDisplay = PR_FALSE);
void ExtendedSelection(PRInt32 aStartIndex, PRInt32 aEndIndex, PRBool aDoInvert, PRBool aSetValue);
NS_IMETHOD HandleLikeDropDownListEvent(nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus);
NS_IMETHOD HandleLikeListEvent(nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus);
PRInt32 SetContentSelected(nsIFrame * aHitFrame,
nsIContent *& aHitContent,
PRBool aIsSelected);
// Data Members
nsFormFrame* mFormFrame;
PRInt32 mNumRows;
PRBool mIsFrameSelected[64];
PRInt32 mNumSelections;
PRInt32 mMaxNumSelections;
PRBool mMultipleSelections;
//nsIContent * mSelectedContent;
PRInt32 mSelectedIndex;
PRInt32 mStartExtendedIndex;
PRInt32 mEndExtendedIndex;
nsIFrame * mHitFrame;
nsIContent * mHitContent;
nsIFrame * mCurrentHitFrame;
nsIContent * mCurrentHitContent;
nsIFrame * mSelectedFrame;
nsIContent * mSelectedContent;
PRBool mIsInitializedFromContent;
nsIFrame * mContentFrame;
PRBool mInDropDownMode;
nsIComboboxControlFrame * mComboboxFrame;
nsString mSelectionStr;
};
#endif /* nsListControlFrame_h___ */