nsRect
nsTextBoxFrame::CalcTextRect(nsIRenderingContext &aRenderingContext, const nsPoint &aTextOrigin)
{
nsRect textRect(aTextOrigin, GetSize());
nsMargin borderPadding;
GetBorderAndPadding(borderPadding);
textRect.Deflate(borderPadding);
// determine (cropped) title and underline position
nsPresContext* presContext = PresContext();
LayoutTitle(presContext, aRenderingContext, textRect);
// make the rect as small as our (cropped) text.
nscoord outerWidth = textRect.width;
textRect.width = mTitleWidth;
// Align our text within the overall rect by checking our text-align property.
const nsStyleVisibility* vis = GetStyleVisibility();
const nsStyleText* textStyle = GetStyleText();
if (textStyle->mTextAlign == NS_STYLE_TEXT_ALIGN_CENTER)
textRect.x += (outerWidth - textRect.width)/2;
else if (textStyle->mTextAlign == NS_STYLE_TEXT_ALIGN_RIGHT ||
(textStyle->mTextAlign == NS_STYLE_TEXT_ALIGN_DEFAULT &&
vis->mDirection == NS_STYLE_DIRECTION_RTL) ||
(textStyle->mTextAlign == NS_STYLE_TEXT_ALIGN_END &&
vis->mDirection == NS_STYLE_DIRECTION_LTR)) {
textRect.x += (outerWidth - textRect.width);
}
return textRect;
}
nscoord
nsTextBoxFrame::GetBoxAscent(nsBoxLayoutState& aBoxLayoutState)
{
CalcTextSize(aBoxLayoutState);
nscoord ascent = mAscent;
nsMargin m(0,0,0,0);
GetBorderAndPadding(m);
ascent += m.top;
return ascent;
}
/* virtual */ nscoord
nsLeafBoxFrame::GetPrefWidth(nsRenderingContext *aRenderingContext)
{
nscoord result;
DISPLAY_PREF_WIDTH(this, result);
nsBoxLayoutState state(PresContext(), aRenderingContext);
nsSize prefSize = GetPrefSize(state);
// GetPrefSize returns border-box width, and we want to return content
// width. Since Reflow uses the reflow state's border and padding, we
// actually just want to subtract what GetPrefSize added, which is the
// result of GetBorderAndPadding.
nsMargin bp;
GetBorderAndPadding(bp);
result = prefSize.width - bp.LeftRight();
return result;
}
nsSize
nsTextControlFrame::GetPrefSize(nsBoxLayoutState& aState)
{
if (!DoesNeedRecalc(mPrefSize))
return mPrefSize;
#ifdef DEBUG_LAYOUT
PropagateDebug(aState);
#endif
nsSize pref(0,0);
// FIXME: This inflation parameter isn't correct; we should fix it if
// we want font size inflation to work well in XUL. If we do, we can
// also re-enable the assertion in ComputeAutoSize when inflation is
// enabled.
nsresult rv = CalcIntrinsicSize(aState.GetRenderingContext(), pref, 1.0f);
NS_ENSURE_SUCCESS(rv, pref);
AddBorderAndPadding(pref);
bool widthSet, heightSet;
nsIBox::AddCSSPrefSize(this, pref, widthSet, heightSet);
nsSize minSize = GetMinSize(aState);
nsSize maxSize = GetMaxSize(aState);
mPrefSize = BoundsCheck(minSize, pref, maxSize);
#ifdef DEBUG_rods
{
nsMargin borderPadding(0,0,0,0);
GetBorderAndPadding(borderPadding);
nsSize size(169, 24);
nsSize actual(pref.width/15,
pref.height/15);
printf("nsGfxText(field) %d,%d %d,%d %d,%d\n",
size.width, size.height, actual.width, actual.height, actual.width-size.width, actual.height-size.height); // text field
}
#endif
return mPrefSize;
}
nsresult
nsIFrame::GetClientRect(nsRect& aClientRect)
{
aClientRect = mRect;
aClientRect.MoveTo(0,0);
nsMargin borderPadding;
GetBorderAndPadding(borderPadding);
aClientRect.Deflate(borderPadding);
if (aClientRect.width < 0)
aClientRect.width = 0;
if (aClientRect.height < 0)
aClientRect.height = 0;
// NS_ASSERTION(aClientRect.width >=0 && aClientRect.height >= 0, "Content Size < 0");
return NS_OK;
}
nsSize
nsTextControlFrame::GetPrefSize(nsBoxLayoutState& aState)
{
if (!DoesNeedRecalc(mPrefSize))
return mPrefSize;
#ifdef DEBUG_LAYOUT
PropagateDebug(aState);
#endif
nsSize pref(0,0);
nsresult rv = CalcIntrinsicSize(aState.GetRenderingContext(), pref);
NS_ENSURE_SUCCESS(rv, pref);
AddBorderAndPadding(pref);
PRBool widthSet, heightSet;
nsIBox::AddCSSPrefSize(this, pref, widthSet, heightSet);
nsSize minSize = GetMinSize(aState);
nsSize maxSize = GetMaxSize(aState);
mPrefSize = BoundsCheck(minSize, pref, maxSize);
#ifdef DEBUG_rods
{
nsMargin borderPadding(0,0,0,0);
GetBorderAndPadding(borderPadding);
nsSize size(169, 24);
nsSize actual(pref.width/15,
pref.height/15);
printf("nsGfxText(field) %d,%d %d,%d %d,%d\n",
size.width, size.height, actual.width, actual.height, actual.width-size.width, actual.height-size.height); // text field
}
#endif
return mPrefSize;
}
/**
* Ok return our dimensions
*/
nsSize
nsImageBoxFrame::GetPrefSize(nsBoxLayoutState& aState)
{
nsSize size(0,0);
DISPLAY_PREF_SIZE(this, size);
if (DoesNeedRecalc(mImageSize))
GetImageSize();
if (!mUseSrcAttr && (mSubRect.width > 0 || mSubRect.height > 0))
size = nsSize(mSubRect.width, mSubRect.height);
else
size = mImageSize;
nsSize intrinsicSize = size;
nsMargin borderPadding(0,0,0,0);
GetBorderAndPadding(borderPadding);
size.width += borderPadding.LeftRight();
size.height += borderPadding.TopBottom();
PRBool widthSet, heightSet;
nsIBox::AddCSSPrefSize(this, size, widthSet, heightSet);
NS_ASSERTION(size.width != NS_INTRINSICSIZE && size.height != NS_INTRINSICSIZE,
"non-nintrinsic size expected");
nsSize minSize = GetMinSize(aState);
nsSize maxSize = GetMaxSize(aState);
if (!widthSet && !heightSet) {
if (minSize.width != NS_INTRINSICSIZE)
minSize.width -= borderPadding.LeftRight();
if (minSize.height != NS_INTRINSICSIZE)
minSize.height -= borderPadding.TopBottom();
if (maxSize.width != NS_INTRINSICSIZE)
maxSize.width -= borderPadding.LeftRight();
if (maxSize.height != NS_INTRINSICSIZE)
maxSize.height -= borderPadding.TopBottom();
size = nsLayoutUtils::ComputeAutoSizeWithIntrinsicDimensions(minSize.width, minSize.height,
maxSize.width, maxSize.height,
intrinsicSize.width, intrinsicSize.height);
NS_ASSERTION(size.width != NS_INTRINSICSIZE && size.height != NS_INTRINSICSIZE,
"non-nintrinsic size expected");
size.width += borderPadding.LeftRight();
size.height += borderPadding.TopBottom();
return size;
}
if (!widthSet) {
if (intrinsicSize.height > 0) {
// Subtract off the border and padding from the height because the
// content-box needs to be used to determine the ratio
nscoord height = size.height - borderPadding.TopBottom();
size.width = nscoord(PRInt64(height) * PRInt64(intrinsicSize.width) /
PRInt64(intrinsicSize.height));
}
else {
size.width = intrinsicSize.width;
}
size.width += borderPadding.LeftRight();
}
else if (!heightSet) {
if (intrinsicSize.width > 0) {
nscoord width = size.width - borderPadding.LeftRight();
size.height = nscoord(PRInt64(width) * PRInt64(intrinsicSize.height) /
PRInt64(intrinsicSize.width));
}
else {
size.height = intrinsicSize.height;
}
size.height += borderPadding.TopBottom();
}
return BoundsCheck(minSize, size, maxSize);
}