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Center correctly centered top labels (e.g. abstract)

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Since the first row may be indented, it is necessary to find out what
the left margin would be on the next row (even if this next row does
not exst.

To this end, modify TextMetrics::leftMargin so that it does not test
whether position is after the last position of the paragraph.

Cosmetics: set the size of label to "small" for Abstract layout in
standard classes and reduce the spacing between label and text.

Fixes remainder of #11939.
This commit is contained in:
Jean-Marc Lasgouttes 2021-01-05 14:53:15 +01:00
parent c6bc5f0ce0
commit 6c1855313c
3 changed files with 9 additions and 7 deletions
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3
lib/layouts/stdstruct.inc
View File

@ -27,13 +27,12 @@ Style Abstract
Align Block
LabelType Centered
LabelString "Abstract"
LabelBottomSep 0.5
LabelBottomSep 0.2
Font
Size Small
EndFont
LabelFont
Series Bold
Size Large
EndFont
HTMLLabelFirst 1
HTMLForceCSS 1

4
src/RowPainter.cpp
View File

@ -462,8 +462,8 @@ void RowPainter::paintTopLevelLabel() const
* respect to the left and right margins.
*/
int const leftm = row_.isRTL() ? tm_.rightMargin(row_.pit())
: tm_.leftMargin(row_.pit());
int const rightm = row_.isRTL() ? tm_.leftMargin(row_.pit())
: tm_.leftMargin(row_.pit(), 1);
int const rightm = row_.isRTL() ? tm_.leftMargin(row_.pit(), 1)
: tm_.rightMargin(row_.pit());
x += leftm - row_.left_margin + (tm_.width() - leftm -rightm) / 2
- fm.width(str) / 2;

9
src/TextMetrics.cpp
View File

@ -1610,7 +1610,10 @@ int TextMetrics::leftMargin(pit_type const pit, pos_type const pos) const
LASSERT(pit < int(pars.size()), return 0);
Paragraph const & par = pars[pit];
LASSERT(pos >= 0, return 0);
LASSERT(pos <= par.size(), return 0);
// We do not really care whether pos > par.size(), since we do not
// access the data. It can be actially useful, when querying the
// margin without indentation (see RowPainter::paintTopLevelLabel).
Buffer const & buffer = bv_->buffer();
//lyxerr << "TextMetrics::leftMargin: pit: " << pit << " pos: " << pos << endl;
DocumentClass const & tclass = buffer.params().documentClass();
@ -1764,8 +1767,8 @@ int TextMetrics::leftMargin(pit_type const pit, pos_type const pos) const
&& !text_->inset().neverIndent()
// display style insets do not need indentation
&& !(!par.empty()
&& par.isInset(pos)
&& par.getInset(pos)->rowFlags() & Inset::Display)
&& par.isInset(0)
&& par.getInset(0)->rowFlags() & Inset::Display)
&& (!(tclass.isDefaultLayout(par.layout())
|| tclass.isPlainLayout(par.layout()))
|| buffer.params().paragraph_separation