зеркало из https://github.com/mozilla/pjs.git
718 строки
27 KiB
C++
718 строки
27 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (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/MPL/
|
|
*
|
|
* 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.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
// YY need to pass isMultiple before create called
|
|
|
|
//#include "nsFormControlFrame.h"
|
|
#include "nsHTMLContainerFrame.h"
|
|
#include "nsLegendFrame.h"
|
|
#include "nsIDOMNode.h"
|
|
#include "nsIDOMHTMLFieldSetElement.h"
|
|
#include "nsIDOMHTMLLegendElement.h"
|
|
#include "nsCSSRendering.h"
|
|
//#include "nsIDOMHTMLCollection.h"
|
|
#include "nsIContent.h"
|
|
#include "nsIFrame.h"
|
|
#include "nsISupports.h"
|
|
#include "nsIAtom.h"
|
|
#include "nsPresContext.h"
|
|
#include "nsHTMLParts.h"
|
|
#include "nsHTMLAtoms.h"
|
|
#include "nsLayoutAtoms.h"
|
|
#include "nsStyleConsts.h"
|
|
#include "nsFont.h"
|
|
#include "nsCOMPtr.h"
|
|
#ifdef ACCESSIBILITY
|
|
#include "nsIAccessibilityService.h"
|
|
#endif
|
|
#include "nsIServiceManager.h"
|
|
#include "nsSpaceManager.h"
|
|
|
|
class nsLegendFrame;
|
|
|
|
class nsFieldSetFrame : public nsHTMLContainerFrame {
|
|
public:
|
|
|
|
nsFieldSetFrame();
|
|
|
|
NS_IMETHOD SetInitialChildList(nsPresContext* aPresContext,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aChildList);
|
|
|
|
NS_IMETHOD Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
NS_METHOD Paint(nsPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect,
|
|
nsFramePaintLayer aWhichLayer,
|
|
PRUint32 aFlags);
|
|
|
|
NS_IMETHOD AppendFrames(nsPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aFrameList);
|
|
NS_IMETHOD InsertFrames(nsPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aPrevFrame,
|
|
nsIFrame* aFrameList);
|
|
NS_IMETHOD RemoveFrame(nsPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aOldFrame);
|
|
NS_IMETHOD ReplaceFrame(nsPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aOldFrame,
|
|
nsIFrame* aNewFrame);
|
|
NS_IMETHOD GetFrameForPoint(nsPresContext* aPresContext,
|
|
const nsPoint& aPoint,
|
|
nsFramePaintLayer aWhichLayer,
|
|
nsIFrame** aFrame);
|
|
virtual nsIAtom* GetType() const;
|
|
|
|
#ifdef ACCESSIBILITY
|
|
NS_IMETHOD GetAccessible(nsIAccessible** aAccessible);
|
|
#endif
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHOD GetFrameName(nsAString& aResult) const {
|
|
return MakeFrameName(NS_LITERAL_STRING("FieldSet"), aResult);
|
|
}
|
|
#endif
|
|
|
|
protected:
|
|
|
|
virtual PRIntn GetSkipSides() const;
|
|
|
|
nsIFrame* mLegendFrame;
|
|
nsIFrame* mContentFrame;
|
|
nsRect mLegendRect;
|
|
nscoord mLegendSpace;
|
|
};
|
|
|
|
nsresult
|
|
NS_NewFieldSetFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame, PRUint32 aStateFlags )
|
|
{
|
|
NS_PRECONDITION(aNewFrame, "null OUT ptr");
|
|
if (nsnull == aNewFrame) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
nsFieldSetFrame* it = new (aPresShell) nsFieldSetFrame;
|
|
if (!it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
// set the state flags (if any are provided)
|
|
it->AddStateBits(aStateFlags);
|
|
|
|
*aNewFrame = it;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsFieldSetFrame::nsFieldSetFrame()
|
|
: nsHTMLContainerFrame()
|
|
{
|
|
mContentFrame = nsnull;
|
|
mLegendFrame = nsnull;
|
|
mLegendSpace = 0;
|
|
}
|
|
|
|
|
|
nsIAtom*
|
|
nsFieldSetFrame::GetType() const
|
|
{
|
|
return nsLayoutAtoms::fieldSetFrame;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFieldSetFrame::SetInitialChildList(nsPresContext* aPresContext,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aChildList)
|
|
{
|
|
|
|
// get the content and legend frames.
|
|
mContentFrame = aChildList;
|
|
mLegendFrame = mContentFrame->GetNextSibling();
|
|
|
|
// Queue up the frames for the content frame
|
|
return nsHTMLContainerFrame::SetInitialChildList(aPresContext, nsnull, aChildList);
|
|
}
|
|
|
|
// this is identical to nsHTMLContainerFrame::Paint except for the background and border.
|
|
NS_IMETHODIMP
|
|
nsFieldSetFrame::Paint(nsPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect,
|
|
nsFramePaintLayer aWhichLayer,
|
|
PRUint32 aFlags)
|
|
{
|
|
if (NS_FRAME_PAINT_LAYER_BACKGROUND == aWhichLayer) {
|
|
// Paint our background and border
|
|
PRBool isVisible;
|
|
if (NS_SUCCEEDED(IsVisibleForPainting(aPresContext, aRenderingContext, PR_TRUE, &isVisible)) &&
|
|
isVisible && mRect.width && mRect.height) {
|
|
PRIntn skipSides = GetSkipSides();
|
|
const nsStyleBorder* borderStyle = GetStyleBorder();
|
|
const nsStylePadding* paddingStyle = GetStylePadding();
|
|
|
|
nsMargin border;
|
|
if (!borderStyle->GetBorder(border)) {
|
|
NS_NOTYETIMPLEMENTED("percentage border");
|
|
}
|
|
|
|
nscoord yoff = 0;
|
|
|
|
// if the border is smaller than the legend. Move the border down
|
|
// to be centered on the legend.
|
|
if (border.top < mLegendRect.height)
|
|
yoff = (mLegendRect.height - border.top)/2;
|
|
|
|
nsRect rect(0, yoff, mRect.width, mRect.height - yoff);
|
|
|
|
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, this,
|
|
aDirtyRect, rect, *borderStyle,
|
|
*paddingStyle, PR_TRUE);
|
|
|
|
if (mLegendFrame) {
|
|
|
|
// Use the rect of the legend frame, not mLegendRect, so we draw our
|
|
// border under the legend's left and right margins.
|
|
const nsRect & legendRect = mLegendFrame->GetRect();
|
|
|
|
// we should probably use PaintBorderEdges to do this but for now just use clipping
|
|
// to achieve the same effect.
|
|
|
|
// draw left side
|
|
nsRect clipRect(rect);
|
|
clipRect.width = legendRect.x - rect.x;
|
|
clipRect.height = border.top;
|
|
|
|
aRenderingContext.PushState();
|
|
aRenderingContext.SetClipRect(clipRect, nsClipCombine_kIntersect);
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this,
|
|
aDirtyRect, rect, *borderStyle, mStyleContext, skipSides);
|
|
|
|
aRenderingContext.PopState();
|
|
|
|
|
|
// draw right side
|
|
clipRect = rect;
|
|
clipRect.x = legendRect.x + legendRect.width;
|
|
clipRect.width -= (legendRect.x + legendRect.width);
|
|
clipRect.height = border.top;
|
|
|
|
aRenderingContext.PushState();
|
|
aRenderingContext.SetClipRect(clipRect, nsClipCombine_kIntersect);
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this,
|
|
aDirtyRect, rect, *borderStyle, mStyleContext, skipSides);
|
|
|
|
aRenderingContext.PopState();
|
|
|
|
|
|
// draw bottom
|
|
|
|
clipRect = rect;
|
|
clipRect.y += border.top;
|
|
clipRect.height = mRect.height - (yoff + border.top);
|
|
|
|
aRenderingContext.PushState();
|
|
aRenderingContext.SetClipRect(clipRect, nsClipCombine_kIntersect);
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this,
|
|
aDirtyRect, rect, *borderStyle, mStyleContext, skipSides);
|
|
|
|
aRenderingContext.PopState();
|
|
} else {
|
|
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this,
|
|
aDirtyRect,
|
|
nsRect(0,0,mRect.width, mRect.height),
|
|
*borderStyle, mStyleContext, skipSides);
|
|
}
|
|
}
|
|
}
|
|
|
|
PaintChildren(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
|
|
|
|
#ifdef DEBUG
|
|
if ((NS_FRAME_PAINT_LAYER_DEBUG == aWhichLayer) && GetShowFrameBorders()) {
|
|
if (HasView()) {
|
|
aRenderingContext.SetColor(NS_RGB(0,0,255));
|
|
}
|
|
else {
|
|
aRenderingContext.SetColor(NS_RGB(255,0,0));
|
|
}
|
|
aRenderingContext.DrawRect(0, 0, mRect.width, mRect.height);
|
|
}
|
|
#endif
|
|
DO_GLOBAL_REFLOW_COUNT_DSP("nsFieldSetFrame", &aRenderingContext);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsFieldSetFrame::Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
DO_GLOBAL_REFLOW_COUNT("nsFieldSetFrame", aReflowState.reason);
|
|
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
|
|
|
|
// Initialize OUT parameter
|
|
aStatus = NS_FRAME_COMPLETE;
|
|
|
|
// Should we create a space manager?
|
|
nsAutoSpaceManager autoSpaceManager(NS_CONST_CAST(nsHTMLReflowState &, aReflowState));
|
|
|
|
// XXXldb If we start storing the space manager in the frame rather
|
|
// than keeping it around only during reflow then we should create it
|
|
// only when there are actually floats to manage. Otherwise things
|
|
// like tables will gain significant bloat.
|
|
if (NS_BLOCK_SPACE_MGR & mState)
|
|
autoSpaceManager.CreateSpaceManagerFor(aPresContext, this);
|
|
|
|
if (aDesiredSize.mComputeMEW) {
|
|
aDesiredSize.mMaxElementWidth = 0;
|
|
}
|
|
|
|
//------------ Handle Incremental Reflow -----------------
|
|
PRBool reflowContent = PR_TRUE;
|
|
PRBool reflowLegend = PR_TRUE;
|
|
nsReflowReason reason = aReflowState.reason;
|
|
|
|
if ( aReflowState.reason == eReflowReason_Incremental ) {
|
|
nsHTMLReflowCommand *command = aReflowState.path->mReflowCommand;
|
|
|
|
// See if it's targeted at us
|
|
if (command) {
|
|
nsReflowType reflowType;
|
|
command->GetType(reflowType);
|
|
|
|
switch (reflowType) {
|
|
|
|
case eReflowType_StyleChanged:
|
|
{
|
|
nsHTMLReflowState newState(aReflowState);
|
|
newState.reason = eReflowReason_StyleChange;
|
|
return Reflow(aPresContext, aDesiredSize, newState, aStatus);
|
|
}
|
|
break;
|
|
|
|
// if its a dirty type then reflow us with a dirty reflow
|
|
case eReflowType_ReflowDirty:
|
|
{
|
|
nsHTMLReflowState newState(aReflowState);
|
|
newState.reason = eReflowReason_Dirty;
|
|
return Reflow(aPresContext, aDesiredSize, newState, aStatus);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
NS_ERROR("Unexpected Reflow Type");
|
|
}
|
|
} else {
|
|
reflowContent = PR_FALSE;
|
|
reflowLegend = PR_FALSE;
|
|
|
|
nsReflowPath::iterator iter = aReflowState.path->FirstChild();
|
|
nsReflowPath::iterator end = aReflowState.path->EndChildren();
|
|
|
|
for ( ; iter != end; ++iter) {
|
|
if (*iter == mLegendFrame)
|
|
reflowLegend = PR_TRUE;
|
|
else if (*iter == mContentFrame)
|
|
reflowContent = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
// if dirty then check dirty flags
|
|
if (reason == eReflowReason_Dirty)
|
|
{
|
|
if (reflowContent) {
|
|
reflowContent =
|
|
(mContentFrame->GetStateBits()
|
|
& (NS_FRAME_IS_DIRTY | NS_FRAME_HAS_DIRTY_CHILDREN)) != 0;
|
|
}
|
|
|
|
if (reflowLegend) {
|
|
reflowLegend =
|
|
(mLegendFrame->GetStateBits()
|
|
& (NS_FRAME_IS_DIRTY | NS_FRAME_HAS_DIRTY_CHILDREN)) != 0;
|
|
}
|
|
}
|
|
|
|
// availSize could have unconstrained values, don't perform any addition on them
|
|
nsSize availSize(aReflowState.mComputedWidth, aReflowState.availableHeight);
|
|
|
|
// get our border and padding
|
|
const nsMargin &borderPadding = aReflowState.mComputedBorderPadding;
|
|
const nsMargin &padding = aReflowState.mComputedPadding;
|
|
nsMargin border = borderPadding - padding;
|
|
|
|
// Figure out how big the legend is if there is one.
|
|
// get the legend's margin
|
|
nsMargin legendMargin(0,0,0,0);
|
|
// reflow the legend only if needed
|
|
if (mLegendFrame) {
|
|
const nsStyleMargin* marginStyle = mLegendFrame->GetStyleMargin();
|
|
marginStyle->GetMargin(legendMargin);
|
|
|
|
if (reflowLegend) {
|
|
nsHTMLReflowState legendReflowState(aPresContext, aReflowState,
|
|
mLegendFrame, nsSize(NS_INTRINSICSIZE,NS_INTRINSICSIZE),
|
|
reason);
|
|
|
|
// always give the legend as much size as it needs
|
|
legendReflowState.mComputedWidth = NS_INTRINSICSIZE;
|
|
legendReflowState.mComputedHeight = NS_INTRINSICSIZE;
|
|
|
|
nsHTMLReflowMetrics legendDesiredSize(0,0);
|
|
|
|
ReflowChild(mLegendFrame, aPresContext, legendDesiredSize, legendReflowState,
|
|
0, 0, NS_FRAME_NO_MOVE_FRAME, aStatus);
|
|
#ifdef NOISY_REFLOW
|
|
printf(" returned (%d, %d)\n", legendDesiredSize.width, legendDesiredSize.height);
|
|
if (legendDesiredSize.mComputeMEW)
|
|
printf(" and maxEW %d\n",
|
|
legendDesiredSize.mMaxElementWidth);
|
|
#endif
|
|
// figure out the legend's rectangle
|
|
mLegendRect.width = legendDesiredSize.width + legendMargin.left + legendMargin.right;
|
|
mLegendRect.height = legendDesiredSize.height + legendMargin.top + legendMargin.bottom;
|
|
mLegendRect.x = borderPadding.left;
|
|
mLegendRect.y = 0;
|
|
|
|
nscoord oldSpace = mLegendSpace;
|
|
mLegendSpace = 0;
|
|
if (mLegendRect.height > border.top) {
|
|
// center the border on the legend
|
|
mLegendSpace = mLegendRect.height - border.top;
|
|
} else {
|
|
mLegendRect.y = (border.top - mLegendRect.height)/2;
|
|
}
|
|
|
|
// if the legend space changes then we need to reflow the
|
|
// content area as well.
|
|
if (mLegendSpace != oldSpace) {
|
|
if (reflowContent == PR_FALSE || reason == eReflowReason_Dirty) {
|
|
reflowContent = PR_TRUE;
|
|
reason = eReflowReason_Resize;
|
|
}
|
|
}
|
|
|
|
// if we are contrained then remove the legend from our available height.
|
|
if (NS_INTRINSICSIZE != availSize.height) {
|
|
if (availSize.height >= mLegendSpace)
|
|
availSize.height -= mLegendSpace;
|
|
}
|
|
|
|
// don't get any smaller than the legend
|
|
if (NS_INTRINSICSIZE != availSize.width) {
|
|
if (availSize.width < mLegendRect.width)
|
|
availSize.width = mLegendRect.width;
|
|
}
|
|
|
|
FinishReflowChild(mLegendFrame, aPresContext, &legendReflowState,
|
|
legendDesiredSize, 0, 0, NS_FRAME_NO_MOVE_FRAME);
|
|
|
|
}
|
|
}
|
|
|
|
nsRect contentRect;
|
|
|
|
// reflow the content frame only if needed
|
|
if (mContentFrame) {
|
|
if (reflowContent) {
|
|
availSize.width = aReflowState.mComputedWidth;
|
|
|
|
#if 0
|
|
if (aReflowState.mComputedHeight != NS_INTRINSICSIZE) {
|
|
availSize.height = aReflowState.mComputedHeight - mLegendSpace;
|
|
} else {
|
|
availSize.height = NS_INTRINSICSIZE;
|
|
}
|
|
#endif
|
|
nsHTMLReflowState kidReflowState(aPresContext, aReflowState, mContentFrame,
|
|
availSize, reason);
|
|
|
|
nsHTMLReflowMetrics kidDesiredSize(aDesiredSize.mComputeMEW, aDesiredSize.mFlags);
|
|
// Reflow the frame
|
|
ReflowChild(mContentFrame, aPresContext, kidDesiredSize, kidReflowState,
|
|
borderPadding.left + kidReflowState.mComputedMargin.left,
|
|
borderPadding.top + mLegendSpace + kidReflowState.mComputedMargin.top,
|
|
0, aStatus);
|
|
#ifdef NOISY_REFLOW
|
|
printf(" returned (%d, %d)\n", kidDesiredSize.width, kidDesiredSize.height);
|
|
if (kidDesiredSize.mComputeMEW)
|
|
printf(" and maxES %d\n",
|
|
kidDesiredSize.mMaxElementWidth);
|
|
#endif
|
|
|
|
/*
|
|
printf("*** %p computedHgt: %d ", this, aReflowState.mComputedHeight);
|
|
printf("Reason: ");
|
|
switch (aReflowState.reason) {
|
|
case eReflowReason_Initial:printf("Initil");break;
|
|
case eReflowReason_Incremental:printf("Increm");break;
|
|
case eReflowReason_Resize: printf("Resize"); break;
|
|
case eReflowReason_StyleChange:printf("eReflowReason_StyleChange");break;
|
|
}
|
|
*/
|
|
|
|
// set the rect. make sure we add the margin back in.
|
|
contentRect.SetRect(borderPadding.left,borderPadding.top + mLegendSpace,kidDesiredSize.width ,kidDesiredSize.height);
|
|
if (aReflowState.mComputedHeight != NS_INTRINSICSIZE &&
|
|
borderPadding.top + mLegendSpace+kidDesiredSize.height > aReflowState.mComputedHeight) {
|
|
kidDesiredSize.height = aReflowState.mComputedHeight-(borderPadding.top + mLegendSpace);
|
|
}
|
|
|
|
FinishReflowChild(mContentFrame, aPresContext, &kidReflowState,
|
|
kidDesiredSize, contentRect.x, contentRect.y, 0);
|
|
if (aDesiredSize.mComputeMEW) {
|
|
aDesiredSize.mMaxElementWidth = kidDesiredSize.mMaxElementWidth;
|
|
}
|
|
|
|
// printf("width: %d, height: %d\n", desiredSize.mCombinedArea.width, desiredSize.mCombinedArea.height);
|
|
|
|
/*
|
|
if (mContentFrame->GetStateBits() & NS_FRAME_OUTSIDE_CHILDREN) {
|
|
mState |= NS_FRAME_OUTSIDE_CHILDREN;
|
|
aDesiredSize.mOverflowArea.width += borderPadding.left + borderPadding.right;
|
|
aDesiredSize.mOverflowArea.height += borderPadding.top + borderPadding.bottom + mLegendSpace;
|
|
}
|
|
*/
|
|
|
|
NS_FRAME_TRACE_REFLOW_OUT("FieldSet::Reflow", aStatus);
|
|
|
|
} else {
|
|
// if we don't need to reflow just get the old size
|
|
contentRect = mContentFrame->GetRect();
|
|
const nsStyleMargin* marginStyle = mContentFrame->GetStyleMargin();
|
|
|
|
nsMargin m(0,0,0,0);
|
|
marginStyle->GetMargin(m);
|
|
contentRect.Inflate(m);
|
|
}
|
|
}
|
|
|
|
// use the computed width if the inner content does not fill it
|
|
if (aReflowState.mComputedWidth != NS_INTRINSICSIZE &&
|
|
aReflowState.mComputedWidth > contentRect.width) {
|
|
contentRect.width = aReflowState.mComputedWidth;
|
|
}
|
|
|
|
if (mLegendFrame) {
|
|
// if the content rect is larger then the legend we can align the legend
|
|
if (contentRect.width > mLegendRect.width) {
|
|
PRInt32 align = ((nsLegendFrame*)mLegendFrame)->GetAlign();
|
|
|
|
switch(align) {
|
|
case NS_STYLE_TEXT_ALIGN_RIGHT:
|
|
mLegendRect.x = contentRect.width - mLegendRect.width + borderPadding.left;
|
|
break;
|
|
case NS_STYLE_TEXT_ALIGN_CENTER:
|
|
float p2t;
|
|
p2t = aPresContext->PixelsToTwips();
|
|
mLegendRect.x = NSIntPixelsToTwips((nscoord) NSToIntRound((float)(contentRect.width/2 - mLegendRect.width/2 + borderPadding.left) / p2t),p2t);
|
|
}
|
|
|
|
} else {
|
|
//otherwise make place for the legend
|
|
contentRect.width = mLegendRect.width;
|
|
}
|
|
// place the legend
|
|
nsRect actualLegendRect(mLegendRect);
|
|
actualLegendRect.Deflate(legendMargin);
|
|
|
|
nsPoint curOrigin = mLegendFrame->GetPosition();
|
|
|
|
// only if the origin changed
|
|
if ((curOrigin.x != mLegendRect.x) || (curOrigin.y != mLegendRect.y)) {
|
|
mLegendFrame->SetPosition(nsPoint(actualLegendRect.x , actualLegendRect.y));
|
|
nsContainerFrame::PositionFrameView(aPresContext, mLegendFrame);
|
|
|
|
// We need to recursively process the legend frame's
|
|
// children since we're moving the frame after Reflow.
|
|
nsContainerFrame::PositionChildViews(aPresContext, mLegendFrame);
|
|
}
|
|
}
|
|
|
|
// Return our size and our result
|
|
if (aReflowState.mComputedHeight == NS_INTRINSICSIZE) {
|
|
aDesiredSize.height = mLegendSpace +
|
|
borderPadding.top +
|
|
contentRect.height +
|
|
borderPadding.bottom;
|
|
} else {
|
|
nscoord min = borderPadding.top + borderPadding.bottom + mLegendRect.height;
|
|
aDesiredSize.height = aReflowState.mComputedHeight + borderPadding.top + borderPadding.bottom;
|
|
if (aDesiredSize.height < min)
|
|
aDesiredSize.height = min;
|
|
}
|
|
aDesiredSize.width = contentRect.width + borderPadding.left + borderPadding.right;
|
|
aDesiredSize.ascent = aDesiredSize.height;
|
|
aDesiredSize.descent = 0;
|
|
aDesiredSize.mMaximumWidth = aDesiredSize.width;
|
|
if (aDesiredSize.mComputeMEW) {
|
|
// if the legend is wider use it
|
|
if (aDesiredSize.mMaxElementWidth < mLegendRect.width)
|
|
aDesiredSize.mMaxElementWidth = mLegendRect.width;
|
|
|
|
// add in padding.
|
|
aDesiredSize.mMaxElementWidth += borderPadding.left + borderPadding.right;
|
|
}
|
|
aDesiredSize.mOverflowArea = nsRect(0, 0, aDesiredSize.width, aDesiredSize.height);
|
|
if (mLegendFrame)
|
|
ConsiderChildOverflow(aPresContext, aDesiredSize.mOverflowArea, mLegendFrame);
|
|
if (mContentFrame)
|
|
ConsiderChildOverflow(aPresContext, aDesiredSize.mOverflowArea, mContentFrame);
|
|
FinishAndStoreOverflow(&aDesiredSize);
|
|
|
|
#ifdef NOISY_REFLOW
|
|
printf("FIELDSET: w=%d, maxWidth=%d, MEW=%d\n",
|
|
aDesiredSize.width, aDesiredSize.mMaximumWidth,
|
|
aDesiredSize.mComputeMEW ? aDesiredSize.mMaxElementWidth : -1);
|
|
if (aDesiredSize.mFlags & NS_REFLOW_CALC_MAX_WIDTH)
|
|
printf(" and preferred size = %d\n", aDesiredSize.mMaximumWidth);
|
|
|
|
#endif
|
|
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
|
|
return NS_OK;
|
|
}
|
|
|
|
PRIntn
|
|
nsFieldSetFrame::GetSkipSides() const
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFieldSetFrame::AppendFrames(nsPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aFrameList)
|
|
{
|
|
return mContentFrame->AppendFrames(aPresContext,
|
|
aPresShell,
|
|
aListName,
|
|
aFrameList);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFieldSetFrame::InsertFrames(nsPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aPrevFrame,
|
|
nsIFrame* aFrameList)
|
|
{
|
|
return mContentFrame->InsertFrames(aPresContext,
|
|
aPresShell,
|
|
aListName,
|
|
aPrevFrame,
|
|
aFrameList);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFieldSetFrame::RemoveFrame(nsPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aOldFrame)
|
|
{
|
|
// XXX XXX
|
|
// XXX temporary fix for bug 70648
|
|
if (aOldFrame == mLegendFrame) {
|
|
nsIFrame* sibling = mContentFrame->GetNextSibling();
|
|
NS_ASSERTION(sibling == mLegendFrame, "legendFrame is not next sibling");
|
|
NS_ASSERTION(mLegendFrame->GetParent() == this, "Legend Parent has wrong parent");
|
|
nsIFrame* legendSibling = sibling->GetNextSibling();
|
|
// replace the legend, which is the next sibling, with any siblings of the legend (XXX always null?)
|
|
mContentFrame->SetNextSibling(legendSibling);
|
|
// OK, the legend is now removed from the sibling list, but who has ownership of it?
|
|
mLegendFrame->Destroy(aPresContext);
|
|
mLegendFrame = nsnull;
|
|
return NS_OK;
|
|
} else {
|
|
return mContentFrame->RemoveFrame (aPresContext,
|
|
aPresShell,
|
|
aListName,
|
|
aOldFrame);
|
|
}
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsFieldSetFrame::ReplaceFrame(nsPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aOldFrame,
|
|
nsIFrame* aNewFrame)
|
|
{
|
|
return mContentFrame->ReplaceFrame (aPresContext,
|
|
aPresShell,
|
|
aListName,
|
|
aOldFrame,
|
|
aNewFrame);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFieldSetFrame::GetFrameForPoint(nsPresContext* aPresContext,
|
|
const nsPoint& aPoint,
|
|
nsFramePaintLayer aWhichLayer,
|
|
nsIFrame** aFrame)
|
|
{
|
|
// this should act like a block, so we need to override
|
|
return GetFrameForPointUsing(aPresContext, aPoint, nsnull, aWhichLayer, (aWhichLayer == NS_FRAME_PAINT_LAYER_BACKGROUND), aFrame);
|
|
}
|
|
|
|
#ifdef ACCESSIBILITY
|
|
NS_IMETHODIMP nsFieldSetFrame::GetAccessible(nsIAccessible** aAccessible)
|
|
{
|
|
nsCOMPtr<nsIAccessibilityService> accService = do_GetService("@mozilla.org/accessibilityService;1");
|
|
|
|
if (accService) {
|
|
return accService->CreateHTMLGroupboxAccessible(NS_STATIC_CAST(nsIFrame*, this), aAccessible);
|
|
}
|
|
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
#endif
|