86 lines
2.8 KiB
Diff
86 lines
2.8 KiB
Diff
diff --git a/src/gui/text/unix/qfontconfigdatabase.cpp b/src/gui/text/unix/qfontconfigdatabase.cpp
|
|
index 474644b8..f61e6e83 100644
|
|
--- a/src/gui/text/unix/qfontconfigdatabase.cpp
|
|
+++ b/src/gui/text/unix/qfontconfigdatabase.cpp
|
|
@@ -592,6 +592,7 @@ void QFontconfigDatabase::populateFontDatabase()
|
|
++f;
|
|
}
|
|
|
|
+ cacheEmojiFontFamily();
|
|
//QPA has very lazy population of the font db. We want it to be initialized when
|
|
//QApplication is constructed, so that the population procedure can do something like this to
|
|
//set the default font
|
|
@@ -735,6 +736,9 @@ QStringList QFontconfigDatabase::fallbacksForFamily(const QString &family, QFont
|
|
if (!pattern)
|
|
return fallbackFamilies;
|
|
|
|
+ if (!m_cacheEmojiFontFamily.isEmpty())
|
|
+ fallbackFamilies << m_cacheEmojiFontFamily;
|
|
+
|
|
FcValue value;
|
|
value.type = FcTypeString;
|
|
const QByteArray cs = family.toUtf8();
|
|
@@ -1016,4 +1020,47 @@ void QFontconfigDatabase::setupFontEngine(QFontEngineFT *engine, const QFontDef
|
|
engine->glyphFormat = format;
|
|
}
|
|
|
|
+void QFontconfigDatabase::cacheEmojiFontFamily()
|
|
+{
|
|
+ FcPattern *pattern;
|
|
+ pattern = FcPatternCreate();
|
|
+
|
|
+ FcValue value;
|
|
+ value.type = FcTypeString;
|
|
+ value.u.s = (const FcChar8 *)"emoji";
|
|
+ FcPatternAdd(pattern,FC_FAMILY,value,true);
|
|
+
|
|
+ FcLangSet *ls = FcLangSetCreate();
|
|
+ FcLangSetAdd(ls, (const FcChar8*)"und-zsye");
|
|
+ FcPatternAddLangSet(pattern, FC_LANG, ls);
|
|
+
|
|
+ FcConfigSubstitute(nullptr, pattern, FcMatchPattern);
|
|
+ FcDefaultSubstitute(pattern);
|
|
+
|
|
+ FcResult result = FcResultMatch;
|
|
+ FcFontSet *fontSet = FcFontSort(nullptr,pattern,FcTrue,nullptr,&result);
|
|
+ FcPatternDestroy(pattern);
|
|
+
|
|
+ if (fontSet) {
|
|
+ for (int i = 0; i < fontSet->nfont; i++) {
|
|
+ FcChar8 *value = nullptr;
|
|
+ if (FcPatternGetString(fontSet->fonts[i], FC_FAMILY, 0, &value) != FcResultMatch)
|
|
+ continue;
|
|
+
|
|
+ FcLangSet *rls = nullptr;
|
|
+ if (FcPatternGetLangSet(fontSet->fonts[i], FC_LANG, 0, &rls) != FcResultMatch)
|
|
+ continue;
|
|
+
|
|
+ if (!FcLangSetContains(rls, ls))
|
|
+ continue;
|
|
+
|
|
+ m_cacheEmojiFontFamily = QString::fromUtf8((const char *)value);
|
|
+ break;
|
|
+ }
|
|
+ FcFontSetDestroy(fontSet);
|
|
+ }
|
|
+
|
|
+ FcLangSetDestroy(ls);
|
|
+}
|
|
+
|
|
QT_END_NAMESPACE
|
|
diff --git a/src/gui/text/unix/qfontconfigdatabase_p.h b/src/gui/text/unix/qfontconfigdatabase_p.h
|
|
index cf15306e..90b94087 100644
|
|
--- a/src/gui/text/unix/qfontconfigdatabase_p.h
|
|
+++ b/src/gui/text/unix/qfontconfigdatabase_p.h
|
|
@@ -37,7 +37,10 @@ public:
|
|
QFont defaultFont() const override;
|
|
|
|
private:
|
|
+ void cacheEmojiFontFamily();
|
|
void setupFontEngine(QFontEngineFT *engine, const QFontDef &fontDef) const;
|
|
+
|
|
+ QString m_cacheEmojiFontFamily;
|
|
};
|
|
|
|
QT_END_NAMESPACE
|