For some reason, the limits on \fint are badly placed (see attached doc).
The also attached patch fixes this case. I first thought that the
metrics for this particular symbol were wrong, but in stable it was Ok
(after tweaking the symbols file to use the big symbol).
The only difference was that in stable we were using the width of the
rectangle bounding the symbol.
--
Enrico
#LyX 2.2 created this file. For more info see http://www.lyx.org/
\lyxformat 508
\begin_document
\begin_header
\save_transient_properties true
\origin unavailable
\textclass article
\use_default_options true
\maintain_unincluded_children false
\language english
\language_package default
\inputencoding auto
\fontencoding global
\font_roman "default" "default"
\font_sans "default" "default"
\font_typewriter "default" "default"
\font_math "auto" "auto"
\font_default_family default
\use_non_tex_fonts false
\font_sc false
\font_osf false
\font_sf_scale 100 100
\font_tt_scale 100 100
\graphics default
\default_output_format default
\output_sync 0
\bibtex_command default
\index_command default
\paperfontsize default
\use_hyperref false
\papersize default
\use_geometry false
\use_package amsmath 1
\use_package amssymb 1
\use_package cancel 1
\use_package esint 1
\use_package mathdots 1
\use_package mathtools 1
\use_package mhchem 1
\use_package stackrel 1
\use_package stmaryrd 1
\use_package undertilde 1
\cite_engine basic
\cite_engine_type default
\biblio_style plain
\use_bibtopic false
\use_indices false
\paperorientation portrait
\suppress_date false
\justification true
\use_refstyle 1
\index Index
\shortcut idx
\color #008000
\end_index
\secnumdepth 3
\tocdepth 3
\paragraph_separation indent
\paragraph_indentation default
\quotes_language english
\papercolumns 1
\papersides 1
\paperpagestyle default
\tracking_changes false
\output_changes false
\html_math_output 0
\html_css_as_file 0
\html_be_strict false
\end_header
\begin_body
\begin_layout Standard
\begin_inset Formula
\[
\fint_{0}^{1}f(x)dx
\]
\end_inset
\end_layout
\end_body
\end_document
diff --git a/src/frontends/qt/GuiFontMetrics.cpp
b/src/frontends/qt/GuiFontMetrics.cpp
index 9ff027eb08..361125056e 100644
--- a/src/frontends/qt/GuiFontMetrics.cpp
+++ b/src/frontends/qt/GuiFontMetrics.cpp
@@ -245,18 +245,18 @@ int GuiFontMetrics::width(docstring const & s) const
#else
bool const math_char = s.length() == 1;
#endif
- // keep value 0 for math chars with width 0
- if (!math_char || metrics_.width(toqstr(s)) != 0) {
+ if (math_char) {
+ // keep value 0 for math chars with width 0
+ if (metrics_.width(toqstr(s)) != 0)
+ w = metrics_.boundingRect(toqstr(s)).width();
+ } else {
QTextLayout tl;
tl.setText(toqstr(s));
tl.setFont(font_);
tl.beginLayout();
QTextLine line = tl.createLine();
tl.endLayout();
- if (math_char)
- w = iround(line.naturalTextWidth());
- else
- w = iround(line.horizontalAdvance());
+ w = iround(line.horizontalAdvance());
}
strwidth_cache_.insert(s, w, s.size() * sizeof(char_type));
return w;
--
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