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Fix LaTeX output of fixed-width cells with decimal separator

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This follows Uwe's suggestions (and discharges my own).

The result is not ideal, but there is currently no ideal solution.

Fixes: #9568
This commit is contained in:
Juergen Spitzmueller 2016-10-22 12:13:36 +02:00
parent 95db20e008
commit 9235b09fd8
1 changed files with 34 additions and 8 deletions
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32
src/insets/InsetTabular.cpp
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@ -2762,6 +2762,7 @@ void Tabular::latex(otexstream & os, OutputParams const & runparams) const
os << column_info[c].align_special;
} else {
if (!column_info[c].p_width.zero()) {
bool decimal = false;
switch (column_info[c].alignment) {
case LYX_ALIGN_LEFT:
os << ">{\\raggedright}";
@ -2776,21 +2777,46 @@ void Tabular::latex(otexstream & os, OutputParams const & runparams) const
case LYX_ALIGN_BLOCK:
case LYX_ALIGN_LAYOUT:
case LYX_ALIGN_SPECIAL:
break;
case LYX_ALIGN_DECIMAL:
os << ">{\\raggedleft}";
decimal = true;
break;
}
char valign = 'p';
switch (column_info[c].valignment) {
case LYX_VALIGN_TOP:
os << 'p';
// this is the default
break;
case LYX_VALIGN_MIDDLE:
os << 'm';
valign = 'm';
break;
case LYX_VALIGN_BOTTOM:
os << 'b';
valign = 'b';
break;
}
os << valign;
// Fixed-width cells with alignment at decimal separator
// are output as two cells of half the width with the decimal
// separator as column sep. This effectively puts the content
// centered, which differs from the normal decimal sep alignment
// and is not ideal, but we cannot do better ATM (see #9568).
// FIXME: Implement proper decimal sep alignment, e.g. via siunitx.
if (decimal) {
docstring const halffixedwith =
from_ascii(Length(column_info[c].p_width.value() / 2,
column_info[c].p_width.unit()).asLatexString());
os << '{'
<< halffixedwith
<< '}'
<< "@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}"
<< valign
<< '{'
<< halffixedwith
<< '}';
} else
os << '{'
<< from_ascii(column_info[c].p_width.asLatexString())
<< '}';