commit 11369131ee48f57ddece25e3c8400183cb0cbb68
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Sat Nov 19 14:58:50 2022 +0100

    Remove workaround that was needed only by Qt4
---
 src/frontends/qt/GuiFontMetrics.cpp |   30 ++++++++++--------------------
 src/frontends/qt/GuiFontMetrics.h   |    4 ----
 2 files changed, 10 insertions(+), 24 deletions(-)

diff --git a/src/frontends/qt/GuiFontMetrics.cpp 
b/src/frontends/qt/GuiFontMetrics.cpp
index bde48c0..b3bdac6 100644
--- a/src/frontends/qt/GuiFontMetrics.cpp
+++ b/src/frontends/qt/GuiFontMetrics.cpp
@@ -139,11 +139,6 @@ GuiFontMetrics::GuiFontMetrics(QFont const & font)
                        slope_ = defaultSlope;
                LYXERR(Debug::FONT, "Italic slope: " << slope_);
        }
-       // If those characters have a non-zero width, we need to avoid them.
-       // This happens with Qt4 with monospace fonts
-       needs_naked_ = width(QString() + QChar(0x2060) + QChar(0x202d) + 
QChar(0x202e)) > 0;
-       // if (needs_naked_)
-       //      LYXERR0("Font " << font.family() << " needs naked text 
layouts!");
 }
 
 
@@ -342,9 +337,7 @@ struct TextLayoutHelper
        /// Create the helper
        /// \c s is the original string
        /// \c isrtl is true if the string is right-to-left
-       /// \c naked is true to disable the insertion of zero width annotations
-       /// FIXME KILLQT4: remove \c naked argument when Qt4 support goes away.
-       TextLayoutHelper(docstring const & s, bool isrtl, bool naked = false);
+       TextLayoutHelper(docstring const & s, bool isrtl);
 
        /// translate QString index to docstring index
        docstring::size_type qpos2pos(int qpos) const
@@ -368,7 +361,7 @@ private:
 };
 
 
-TextLayoutHelper::TextLayoutHelper(docstring const & s, bool isrtl, bool naked)
+TextLayoutHelper::TextLayoutHelper(docstring const & s, bool isrtl)
        : docstr(s), rtl(isrtl)
 {
        // Reserve memory for performance purpose
@@ -384,16 +377,14 @@ TextLayoutHelper::TextLayoutHelper(docstring const & s, 
bool isrtl, bool naked)
         */
        // Unicode character WORD JOINER
        QChar const word_joiner(0x2060);
-       if (!naked)
-               qstr += word_joiner;
+       qstr += word_joiner;
 
 #ifdef BIDI_USE_OVERRIDE
        /* Unicode override characters enforce drawing direction
         * Source: http://www.iamcal.com/understanding-bidirectional-text/
         * Left-to-right override is 0x202d and right-to-left override is 
0x202e.
         */
-       if (!naked)
-               qstr += QChar(rtl ? 0x202e : 0x202d);
+       qstr += QChar(rtl ? 0x202e : 0x202d);
 #endif
 
        // Now translate the string character-by-character.
@@ -401,7 +392,7 @@ TextLayoutHelper::TextLayoutHelper(docstring const & s, 
bool isrtl, bool naked)
        for (char_type const c : s) {
                // insert a word joiner character between consecutive spaces
                bool const is_space = isSpace(c);
-               if (!naked && is_space && was_space)
+               if (is_space && was_space)
                        qstr += word_joiner;
                was_space = is_space;
                // Remember the QString index at this point
@@ -414,8 +405,7 @@ TextLayoutHelper::TextLayoutHelper(docstring const & s, 
bool isrtl, bool naked)
        }
 
        // Final word joiner (see above)
-       if (!naked)
-               qstr += word_joiner;
+       qstr += word_joiner;
 
        // Add virtual position at the end of the string
        pos2qpos_.push_back(qstr.size());
@@ -476,7 +466,7 @@ GuiFontMetrics::getTextLayout(docstring const & s, bool 
const rtl,
        if (auto ptl = qtextlayout_cache_[key])
                return ptl;
        PROFILE_CACHE_MISS(getTextLayout);
-       TextLayoutHelper tlh(s, rtl, needs_naked_);
+       TextLayoutHelper tlh(s, rtl);
        auto const ptl = getTextLayout_helper(tlh, wordspacing, font_);
        qtextlayout_cache_.insert(key, ptl);
        return ptl;
@@ -486,7 +476,7 @@ GuiFontMetrics::getTextLayout(docstring const & s, bool 
const rtl,
 int GuiFontMetrics::pos2x(docstring const & s, int pos, bool const rtl,
                           double const wordspacing) const
 {
-       TextLayoutHelper tlh(s, rtl, needs_naked_);
+       TextLayoutHelper tlh(s, rtl);
        auto ptl = getTextLayout(tlh, wordspacing);
        // pos can be negative, see #10506.
        int const qpos = tlh.pos2qpos(max(pos, 0));
@@ -497,7 +487,7 @@ int GuiFontMetrics::pos2x(docstring const & s, int pos, 
bool const rtl,
 int GuiFontMetrics::x2pos(docstring const & s, int & x, bool const rtl,
                           double const wordspacing) const
 {
-       TextLayoutHelper tlh(s, rtl, needs_naked_);
+       TextLayoutHelper tlh(s, rtl);
        auto ptl = getTextLayout(tlh, wordspacing);
        QTextLine const & tline = ptl->lineForTextPosition(0);
        int qpos = tline.xToCursor(x);
@@ -535,7 +525,7 @@ FontMetrics::Breaks
 GuiFontMetrics::breakString_helper(docstring const & s, int first_wid, int wid,
                                    bool rtl, bool force) const
 {
-       TextLayoutHelper const tlh(s, rtl, needs_naked_);
+       TextLayoutHelper const tlh(s, rtl);
 
        QTextLayout tl;
 #ifdef BIDI_USE_FLAG
diff --git a/src/frontends/qt/GuiFontMetrics.h 
b/src/frontends/qt/GuiFontMetrics.h
index ff2f0a3..5c32ea9 100644
--- a/src/frontends/qt/GuiFontMetrics.h
+++ b/src/frontends/qt/GuiFontMetrics.h
@@ -119,10 +119,6 @@ private:
        /// Slope of italic font
        double slope_;
 
-       /// If true, avoid extra annotation in string for QTextLayout
-       // FIXME KILLQT4: remove when Qt4 suport goes away
-       bool needs_naked_ = false;
-
        /// Cache of char widths
        mutable QHash<char_type, int> width_cache_;
        /// Cache of string widths
-- 
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