diff --git a/kcms/fonts/fonts.cpp b/kcms/fonts/fonts.cpp
index 4d9183733..faed0a403 100644
--- a/kcms/fonts/fonts.cpp
+++ b/kcms/fonts/fonts.cpp
@@ -1,711 +1,715 @@
 /*
     Copyright 1997 Mark Donohoe
     Copyright 1999 Lars Knoll
     Copyright 2000 Rik Hemsley
     Copyright 2015 Antonis Tsiapaliokas <antonis.tsiapaliokas@kde.org>
     Copyright 2017 Marco Martin <mart@kde.org>
 
     Ported to kcontrol2 by Geert Jansen.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */
 
 
 #include "fonts.h"
 
 #include <QQuickItem>
 #include <QWindow>
 #include <QQmlEngine>
 #include <QQuickView>
 #include <QDebug>
 #include <QFontDialog>
 #include <QApplication>
 #include <QFontDatabase>
 
 #include <KAcceleratorManager>
 #include <KGlobalSettings>
 #include <KConfigGroup>
 #include <KConfig>
 #include <KAboutData>
 #include <KLocalizedString>
 #include <KPluginFactory>
 #include <KFontDialog>
 #include <KWindowSystem>
 #include <KMessageBox>
 
 #include "../krdb/krdb.h"
 #include "previewimageprovider.h"
 
 /**** DLL Interface ****/
 K_PLUGIN_FACTORY_WITH_JSON(KFontsFactory, "kcm_fonts.json", registerPlugin<KFonts>();)
 
 //from KFontRequester
 // Determine if the font with given properties is available on the system,
 // otherwise find and return the best fitting combination.
 static QFont nearestExistingFont(const QFont &font)
 {
     QFontDatabase dbase;
 
     // Initialize font data according to given font object.
     QString family = font.family();
     QString style = dbase.styleString(font);
     qreal size = font.pointSizeF();
 
     // Check if the family exists.
     const QStringList families = dbase.families();
     if (!families.contains(family)) {
         // Chose another family.
         family = QFontInfo(font).family(); // the nearest match
         if (!families.contains(family)) {
             family = families.count() ? families.at(0) : QStringLiteral("fixed");
         }
     }
 
     // Check if the family has the requested style.
     // Easiest by piping it through font selection in the database.
     QString retStyle = dbase.styleString(dbase.font(family, style, 10));
     style = retStyle;
 
     // Check if the family has the requested size.
     // Only for bitmap fonts.
     if (!dbase.isSmoothlyScalable(family, style)) {
         QList<int> sizes = dbase.smoothSizes(family, style);
         if (!sizes.contains(size)) {
             // Find nearest available size.
             int mindiff = 1000;
             int refsize = size;
             Q_FOREACH (int lsize, sizes) {
                 int diff = qAbs(refsize - lsize);
                 if (mindiff > diff) {
                     mindiff = diff;
                     size = lsize;
                 }
             }
         }
     }
 
     // Select the font with confirmed properties.
     QFont result = dbase.font(family, style, int(size));
     if (dbase.isSmoothlyScalable(family, style) && result.pointSize() == floor(size)) {
         result.setPointSizeF(size);
     }
     return result;
 }
 
 /**** FontAASettings ****/
 #if defined(HAVE_FONTCONFIG) && HAVE_X11
 FontAASettings::FontAASettings(QObject *parent)
     : QObject(parent)
     , m_subPixelOptionsModel(new QStandardItemModel(this))
     , m_hintingOptionsModel(new QStandardItemModel(this))
 {
     for (int t = KXftConfig::SubPixel::NotSet; t <= KXftConfig::SubPixel::Vbgr; ++t) {
         QStandardItem *item = new QStandardItem(KXftConfig::description((KXftConfig::SubPixel::Type)t));
         m_subPixelOptionsModel->appendRow(item);
     }
 
     for (int s = KXftConfig::Hint::NotSet; s <= KXftConfig::Hint::Full; ++s) {
         QStandardItem * item = new QStandardItem(KXftConfig::description((KXftConfig::Hint::Style)s));
         m_hintingOptionsModel->appendRow(item);
     }
 }
 
 void FontAASettings::load()
 {
     double     from, to;
     KXftConfig xft;
 
     if (xft.getExcludeRange(from, to)) {
         m_excludeFrom = from;
         m_excludeTo = to;
         setExclude(true);
     } else {
         m_excludeFrom = 8;
         m_excludeTo = 15;
         setExclude(false);
     }
+    m_excludeOriginal = m_exclude;
     m_excludeFromOriginal = m_excludeFrom;
     m_excludeToOriginal = m_excludeTo;
     excludeToChanged();
     excludeFromChanged();
 
     KXftConfig::SubPixel::Type spType;
     xft.getSubPixelType(spType);
 
     setSubPixelCurrentIndex(spType);
     m_subPixelCurrentIndexOriginal = spType;
 
     KXftConfig::Hint::Style hStyle;
 
     if (!xft.getHintStyle(hStyle) || KXftConfig::Hint::NotSet == hStyle) {
         KConfig kglobals("kdeglobals", KConfig::NoGlobals);
 
         hStyle = KXftConfig::Hint::NotSet;
         xft.setHintStyle(hStyle);
         KConfigGroup(&kglobals, "General").writeEntry("XftHintStyle", KXftConfig::toStr(hStyle));
         kglobals.sync();
         runRdb(KRdbExportXftSettings | KRdbExportGtkTheme);
     }
 
     setHintingCurrentIndex(hStyle);
     m_hintingCurrentIndexOriginal = hStyle;
 
     KConfig _cfgfonts("kcmfonts");
     KConfigGroup cfgfonts(&_cfgfonts, "General");
 
     int dpicfg;
     if (KWindowSystem::isPlatformWayland()) {
         dpicfg = cfgfonts.readEntry("forceFontDPIWayland", 0);
     } else {
         dpicfg = cfgfonts.readEntry("forceFontDPI", 0);
     }
 
     if (dpicfg <= 0) {
         m_dpiOriginal = 0;
     } else {
         m_dpiOriginal = dpicfg;
     };
 
     setDpi(dpicfg);
 
     KSharedConfig::Ptr config = KSharedConfig::openConfig("kdeglobals");
     KConfigGroup cg(config, "General");
 
     if (cfgfonts.readEntry("dontChangeAASettings", true)) {
         setAntiAliasing(1); //AASystem
     } else if (cg.readEntry("XftAntialias", true)) {
         setAntiAliasing(0); //AAEnabled
     } else {
         setAntiAliasing(2); //AADisabled
     }
     m_antiAliasingOriginal = m_antiAliasing;
 }
 
 bool FontAASettings::save(KXftConfig::AntiAliasing::State aaState)
 {
     KXftConfig   xft;
     KConfig      kglobals("kdeglobals", KConfig::NoGlobals);
     KConfigGroup grp(&kglobals, "General");
 
     xft.setAntiAliasing(aaState);
     if (m_exclude) {
         xft.setExcludeRange(m_excludeFrom, m_excludeTo);
     } else {
         xft.setExcludeRange(0, 0);
     }
 
     KXftConfig::SubPixel::Type spType = (KXftConfig::SubPixel::Type)m_subPixelCurrentIndex;
 
     xft.setSubPixelType(spType);
     grp.writeEntry("XftSubPixel", KXftConfig::toStr(spType));
     if (aaState == KXftConfig::AntiAliasing::NotSet) {
         grp.revertToDefault("XftAntialias");
     } else {
         grp.writeEntry("XftAntialias", aaState == KXftConfig::AntiAliasing::Enabled);
     }
 
     bool mod = false;
     KXftConfig::Hint::Style hStyle = (KXftConfig::Hint::Style)m_hintingCurrentIndex;
 
     xft.setHintStyle(hStyle);
 
     QString hs(KXftConfig::toStr(hStyle));
 
     if (hs != grp.readEntry("XftHintStyle")) {
         if (KXftConfig::Hint::NotSet == hStyle) {
             grp.revertToDefault("XftHintStyle");
         } else {
             grp.writeEntry("XftHintStyle", hs);
         }
     }
     mod = true;
     kglobals.sync();
 
     if (!mod) {
         mod = xft.changed();
     }
 
     xft.apply();
 
     KConfig _cfgfonts("kcmfonts");
     KConfigGroup cfgfonts(&_cfgfonts, "General");
 
     if (KWindowSystem::isPlatformWayland()) {
         cfgfonts.writeEntry("forceFontDPIWayland", m_dpi);
     } else {
         cfgfonts.writeEntry("forceFontDPI", m_dpi);
     }
 
     cfgfonts.sync();
 
 #if HAVE_X11
     // if the setting is reset in the module, remove the dpi value,
     // otherwise don't explicitly remove it and leave any possible system-wide value
     if (m_dpi == 0 && m_dpiOriginal != 0 && !KWindowSystem::isPlatformWayland()) {
         QProcess proc;
         proc.setProcessChannelMode(QProcess::ForwardedChannels);
         proc.start("xrdb", QStringList() << "-quiet" << "-remove" << "-nocpp");
         if (proc.waitForStarted()) {
             proc.write(QByteArray("Xft.dpi\n"));
             proc.closeWriteChannel();
             proc.waitForFinished();
         }
     }
 #endif
 
     QApplication::processEvents();			// Process font change ourselves
 
     // Don't overwrite global settings unless explicitly asked for - e.g. the system
     // fontconfig setup may be much more complex than this module can provide.
     // TODO: With AASystem the changes already made by this module should be reverted somehow.
 #if defined(HAVE_FONTCONFIG) && HAVE_X11
     if (mod || (m_antiAliasing != m_antiAliasingOriginal) || m_dpi != m_dpiOriginal) {
         KMessageBox::information(nullptr,
                                  i18n(
                                      "<p>Some changes such as anti-aliasing or DPI will only affect newly started applications.</p>"
                                  ), i18n("Font Settings Changed"), "FontSettingsChanged");
         m_antiAliasingOriginal = m_antiAliasing;
         m_dpiOriginal = m_dpi;
     }
 #else
 #if HAVE_X11
     if (m_dpi != m_dpiOriginal) {
         KMessageBox::information(0,
                                  i18n(
                                      "<p>Some changes such as DPI will only affect newly started applications.</p>"
                                  ), i18n("Font Settings Changed"), "FontSettingsChanged");
         m_dpiOriginal = m_dpi;
     }
 #endif
 #endif
 
+    m_excludeOriginal = m_exclude;
     m_excludeToOriginal = m_excludeTo;
     m_excludeFromOriginal = m_excludeFrom;
     
     m_subPixelCurrentIndexOriginal = m_subPixelCurrentIndex;
     m_hintingCurrentIndexOriginal = m_hintingCurrentIndex;
 
     return mod;
 }
 
 void FontAASettings::defaults()
 {
     setExcludeTo(15);
     setExcludeFrom(8);
     setAntiAliasing(1);
     m_antiAliasingOriginal = m_antiAliasing;
     setDpi(0);
     setSubPixelCurrentIndex(KXftConfig::SubPixel::NotSet);
     setHintingCurrentIndex(KXftConfig::Hint::NotSet);
 }
 
 #endif
 
 void FontAASettings::setExclude(bool exclude)
 {
     if (exclude == m_exclude) {
         return;
     }
 
     m_exclude = exclude;
     emit excludeChanged();
 }
 
 bool FontAASettings::exclude() const
 {
     return m_exclude;
 }
 
 void FontAASettings::setExcludeTo(const int &excludeTo)
 {
     if (m_excludeTo == excludeTo) {
         return;
     }
 
     m_excludeTo = excludeTo;
     emit excludeToChanged();
 }
 
 int FontAASettings::excludeTo() const
 {
     return m_excludeTo;
 }
 
 void FontAASettings::setExcludeFrom(const int &excludeTo)
 {
     if (m_excludeFrom == excludeTo) {
         return;
     }
 
     m_excludeFrom = excludeTo;
     emit excludeToChanged();
 }
 
 int FontAASettings::excludeFrom() const
 {
     return m_excludeFrom;
 }
 
 void FontAASettings::setAntiAliasing(const int &antiAliasing)
 {
     if (m_antiAliasing == antiAliasing) {
         return;
     }
 
     m_antiAliasing = antiAliasing;
     emit aliasingChanged();
 }
 
 int FontAASettings::antiAliasing() const
 {
     return m_antiAliasing;
 }
 
 void FontAASettings::setDpi(const int &dpi)
 {
     if (m_dpi == dpi) {
         return;
     }
 
     m_dpi = dpi;
     emit dpiChanged();
 }
 
 int FontAASettings::dpi() const
 {
     return m_dpi;
 }
 
 void FontAASettings::setSubPixelCurrentIndex(int idx)
 {
     if (m_subPixelCurrentIndex == idx) {
         return;
     }
 
     m_subPixelCurrentIndex = idx;
     emit subPixelCurrentIndexChanged();
 }
 
 int FontAASettings::subPixelCurrentIndex()
 {
     return m_subPixelCurrentIndex;
 }
 
 void FontAASettings::setHintingCurrentIndex(int idx)
 {
     if (m_hintingCurrentIndex == idx) {
         return;
     }
 
     m_hintingCurrentIndex = idx;
     emit hintingCurrentIndexChanged();
 }
 
 int FontAASettings::hintingCurrentIndex()
 {
     return m_hintingCurrentIndex;
 }
 
 bool FontAASettings::needsSave() const
 {
     return m_excludeTo != m_excludeToOriginal
         || m_excludeFrom != m_excludeFromOriginal
         || m_antiAliasing != m_antiAliasingOriginal
         || m_dpi != m_dpiOriginal
         || m_subPixelCurrentIndex != m_subPixelCurrentIndexOriginal
-        || m_hintingCurrentIndex != m_hintingCurrentIndexOriginal;
+        || m_hintingCurrentIndex != m_hintingCurrentIndexOriginal
+        || m_exclude != m_excludeOriginal;
 }
 
 
 /**** KFonts ****/
 
 KFonts::KFonts(QObject *parent, const QVariantList &args)
     : KQuickAddons::ConfigModule(parent, args)
     , m_fontAASettings(new FontAASettings(this))
 {
     qApp->setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
     KAboutData* about = new KAboutData("kcm_fonts", i18n("Fonts"),
                                        "0.1", QString(), KAboutLicense::LGPL);
     about->addAuthor(i18n("Antonis Tsiapaliokas"), QString(), "antonis.tsiapaliokas@kde.org");
     setAboutData(about);
     qmlRegisterType<QStandardItemModel>();
     setButtons(Apply | Default | Help);
 
     auto updateState = [this]() {
         setNeedsSave(m_fontAASettings->needsSave());
     };
 
     connect(m_fontAASettings, &FontAASettings::subPixelCurrentIndexChanged, this, updateState);
     connect(m_fontAASettings, &FontAASettings::hintingCurrentIndexChanged, this, updateState);
+    connect(m_fontAASettings, &FontAASettings::excludeChanged, this, updateState);
     connect(m_fontAASettings, &FontAASettings::excludeToChanged, this, updateState);
     connect(m_fontAASettings, &FontAASettings::antiAliasingChanged, this, updateState);
     connect(m_fontAASettings, &FontAASettings::aliasingChanged, this, updateState);
     connect(m_fontAASettings, &FontAASettings::dpiChanged, this, updateState);
 }
 
 KFonts::~KFonts()
 {
 }
 
 void KFonts::defaults()
 {
 #ifdef Q_OS_MAC
     setGeneralFont(QFont("Lucida Grande", 13));
     setMenuFont(QFont("Lucida Grande", 13));
     setFixedWidthFont(QFont("Monaco", 10));
     setToolbarFont(QFont("Lucida Grande", 11));
     setSmallFont(QFont("Lucida Grande", 9));
     setWindowTitleFont(QFont("Lucida Grande", 14));
 #else
     setGeneralFont(QFont("Noto Sans", 10));
     setMenuFont(QFont("Noto Sans", 10));
     setFixedWidthFont(QFont("Hack", 9));
     setToolbarFont(QFont("Noto Sans", 10));
     setSmallFont(QFont("Noto Sans", 8));
     setWindowTitleFont(QFont("Noto Sans", 10));
 #endif
 
     m_fontAASettings->defaults();
 }
 
 void KFonts::load()
 {
     KSharedConfig::Ptr config = KSharedConfig::openConfig("kdeglobals");
 
     KConfigGroup cg(config, "General");
     m_generalFont = m_generalFontOriginal = nearestExistingFont(cg.readEntry("font", m_defaultFont));
 
 
     m_fixedWidthFont = m_fixedWidthFontOriginal = nearestExistingFont(cg.readEntry("fixed", QFont("Hack", 9)));
 
     m_smallFont = m_smallFontOriginal = nearestExistingFont(cg.readEntry("smallestReadableFont", m_defaultFont));
 
     m_toolbarFont = m_toolbarFontOriginal = nearestExistingFont(cg.readEntry("toolBarFont", m_defaultFont));
 
     m_menuFont = m_menuFontOriginal = nearestExistingFont(cg.readEntry("menuFont", m_defaultFont));
 
     cg = KConfigGroup(config, "WM");
     m_windowTitleFont = m_windowTitleFontOriginal = nearestExistingFont(cg.readEntry("activeFont", m_defaultFont));
 
     engine()->addImageProvider("preview", new PreviewImageProvider(generalFont()));
     
     emit generalFontChanged();
     emit fixedWidthFontChanged();
     emit smallFontChanged();
     emit toolbarFontChanged();
     emit menuFontChanged();
     emit windowTitleFontChanged();
 
     m_fontAASettings->load();
     setNeedsSave(false);
 }
 
 void KFonts::save()
 {
     KSharedConfig::Ptr config = KSharedConfig::openConfig("kdeglobals");
 
     KConfigGroup cg(config, "General");
     cg.writeEntry("font", m_generalFont.toString());
     cg.writeEntry("fixed", m_fixedWidthFont.toString());
     cg.writeEntry("smallestReadableFont", m_smallFont.toString());
     cg.writeEntry("toolBarFont", m_toolbarFont.toString());
     cg.writeEntry("menuFont", m_menuFont.toString());
     cg.sync();
     cg = KConfigGroup(config, "WM");
     cg.writeEntry("activeFont", m_windowTitleFont.toString());
     cg.sync();
 
     m_defaultFontOriginal = m_defaultFont;
     m_generalFontOriginal = m_generalFont;
     m_fixedWidthFontOriginal = m_fixedWidthFont;
     m_smallFontOriginal = m_smallFont;
     m_toolbarFontOriginal = m_toolbarFont;
     m_menuFontOriginal = m_menuFont;
     m_windowTitleFontOriginal = m_windowTitleFont;
 
     KConfig _cfgfonts("kcmfonts");
     KConfigGroup cfgfonts(&_cfgfonts, "General");
 
     FontAASettings::AASetting aaSetting = (FontAASettings::AASetting)m_fontAASettings->antiAliasing();
     cfgfonts.writeEntry("dontChangeAASettings", aaSetting == FontAASettings::AASystem);
 
     if (aaSetting == FontAASettings::AAEnabled) {
         m_fontAASettings->save(KXftConfig::AntiAliasing::Enabled);
     } else if (aaSetting == FontAASettings::AADisabled) {
         m_fontAASettings->save(KXftConfig::AntiAliasing::Disabled);
     } else {
         m_fontAASettings->save(KXftConfig::AntiAliasing::NotSet);
     }
 
     KGlobalSettings::self()->emitChange(KGlobalSettings::FontChanged);
 
     runRdb(KRdbExportXftSettings | KRdbExportGtkTheme);
 
     emit fontsHaveChanged();
     setNeedsSave(false);
 }
 
 void KFonts::updateNeedsSave()
 {
     setNeedsSave(m_defaultFontOriginal != m_defaultFont ||
                  m_generalFontOriginal != m_generalFont ||
                  m_fixedWidthFontOriginal != m_fixedWidthFont ||
                  m_smallFontOriginal != m_smallFont ||
                  m_toolbarFontOriginal != m_toolbarFont ||
                  m_menuFontOriginal != m_menuFont ||
                  m_windowTitleFontOriginal != m_windowTitleFont ||
                 m_fontAASettings->needsSave());
 }
 
 void KFonts::setGeneralFont(const QFont &font)
 {
     if (m_generalFont == font) {
         return;
     }
 
     m_generalFont = font;
     emit generalFontChanged();
     updateNeedsSave();
 }
 
 QFont KFonts::generalFont() const
 {
     return m_generalFont;
 }
 
 void KFonts::setFixedWidthFont(const QFont &font)
 {
     if (m_fixedWidthFont == font) {
         return;
     }
 
     m_fixedWidthFont = font;
     emit fixedWidthFontChanged();
     updateNeedsSave();
 }
 
 QFont KFonts::fixedWidthFont() const
 {
     return m_fixedWidthFont;
 }
 
 void KFonts::setSmallFont(const QFont &font)
 {
     if (m_smallFont == font) {
         return;
     }
 
     m_smallFont = font;
     emit smallFontChanged();
     updateNeedsSave();
 }
 
 QFont KFonts::smallFont() const
 {
     return m_smallFont;
 }
 
 void KFonts::setToolbarFont(const QFont &font)
 {
     if (m_toolbarFont == font) {
         return;
     }
 
     m_toolbarFont = font;
     emit toolbarFontChanged();
     updateNeedsSave();
 }
 
 QFont KFonts::toolbarFont() const
 {
     return m_toolbarFont;
 }
 
 void KFonts::setMenuFont(const QFont &font)
 {
     if (m_menuFont == font) {
         return;
     }
 
     m_menuFont = font;
     emit menuFontChanged();
     updateNeedsSave();
 }
 
 QFont KFonts::menuFont() const
 {
     return m_menuFont;
 }
 
 void KFonts::setWindowTitleFont(const QFont &font)
 {
     if (m_windowTitleFont == font) {
         return;
     }
 
     m_windowTitleFont = font;
     emit windowTitleFontChanged();
     updateNeedsSave();
 }
 
 QFont KFonts::windowTitleFont() const
 {
     return m_windowTitleFont;
 }
 
 void KFonts::adjustAllFonts()
 {
     QFont font = m_generalFont;
     KFontChooser::FontDiffFlags fontDiffFlags;
     int ret = KFontDialog::getFontDiff(font, fontDiffFlags, KFontChooser::NoDisplayFlags);
 
     if (ret == KDialog::Accepted && fontDiffFlags) {
         setGeneralFont(applyFontDiff(m_generalFont, font, fontDiffFlags));
         setMenuFont(applyFontDiff(m_menuFont, font, fontDiffFlags));
         {
             const QFont adjustedFont = applyFontDiff(m_fixedWidthFont, font, fontDiffFlags);
             if (QFontInfo(adjustedFont).fixedPitch()) {
                 setFixedWidthFont(adjustedFont);
             }
         }
         setToolbarFont(applyFontDiff(m_toolbarFont, font, fontDiffFlags));
         setSmallFont(applyFontDiff(m_smallFont, font, fontDiffFlags));
         setWindowTitleFont(applyFontDiff(m_windowTitleFont, font, fontDiffFlags));
     }
 }
 
 QFont KFonts::applyFontDiff(const QFont &fnt, const QFont &newFont, int fontDiffFlags)
 {
     QFont font(fnt);
 
     if (fontDiffFlags & KFontChooser::FontDiffSize) {
         font.setPointSizeF(newFont.pointSizeF());
     }
     if ((fontDiffFlags & KFontChooser::FontDiffFamily)) {
         font.setFamily(newFont.family());
     }
     if (fontDiffFlags & KFontChooser::FontDiffStyle) {
         font.setWeight(newFont.weight());
         font.setStyle(newFont.style());
         font.setUnderline(newFont.underline());
         font.setStyleName(newFont.styleName());
     }
 
     return font;
 }
 
 #include "fonts.moc"
 
diff --git a/kcms/fonts/fonts.h b/kcms/fonts/fonts.h
index d760e5244..e4818e797 100644
--- a/kcms/fonts/fonts.h
+++ b/kcms/fonts/fonts.h
@@ -1,196 +1,197 @@
 /*
     Copyright 1997 Mark Donohoe
     Copyright 1999 Lars Knoll
     Copyright 2000 Rik Hemsley
     Copyright 2015 Antonis Tsiapaliokas <antonis.tsiapaliokas@kde.org>
     Copyright 2017 Marco Martin <mart@kde.org>
 
     Ported to kcontrol2 by Geert Jansen.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */
 
 #ifndef FONTS_H
 #define FONTS_H
 
 #include <config-X11.h>
 #include <QAbstractItemModel>
 #include <QStandardItemModel>
 
 #include <KQuickAddons/ConfigModule>
 
 #include "kxftconfig.h"
 
 class FontAASettings : public QObject
 {
     Q_OBJECT
 
     Q_PROPERTY(QAbstractItemModel *subPixelOptionsModel READ subPixelOptionsModel CONSTANT)
     Q_PROPERTY(int subPixelCurrentIndex READ subPixelCurrentIndex WRITE setSubPixelCurrentIndex NOTIFY subPixelCurrentIndexChanged)
     Q_PROPERTY(QAbstractItemModel *hintingOptionsModel READ hintingOptionsModel CONSTANT)
     Q_PROPERTY(int hintingCurrentIndex READ hintingCurrentIndex WRITE setHintingCurrentIndex NOTIFY hintingCurrentIndexChanged)
 
     Q_PROPERTY(bool exclude READ exclude WRITE setExclude NOTIFY excludeChanged)
     Q_PROPERTY(int excludeTo READ excludeTo WRITE setExcludeTo NOTIFY excludeToChanged)
     Q_PROPERTY(int excludeFrom READ excludeFrom WRITE setExcludeFrom NOTIFY excludeFromChanged)
     Q_PROPERTY(int antiAliasing READ antiAliasing WRITE setAntiAliasing NOTIFY aliasingChanged)
     Q_PROPERTY(int dpi READ dpi WRITE setDpi NOTIFY dpiChanged)
 
 public:
     enum AASetting { AAEnabled, AASystem, AADisabled };
 #if defined(HAVE_FONTCONFIG) && HAVE_X11
     FontAASettings(QObject *parent);
 
     bool save(KXftConfig::AntiAliasing::State aaState);
     void load();
     void defaults();
     void setAntiAliasingState(KXftConfig::AntiAliasing::State aaState);
     QAbstractItemModel* subPixelOptionsModel() { return m_subPixelOptionsModel; }
     QAbstractItemModel* hintingOptionsModel() { return m_hintingOptionsModel; }
 
     void setExclude(bool exclude);
     bool exclude() const;
 
     void setExcludeTo(const int &excludeTo);
     int excludeTo() const;
 
     void setExcludeFrom(const int &excludeTo);
     int excludeFrom() const;
 
     void setAntiAliasing(const int& antiAliasing);
     int antiAliasing() const;
 
     void setDpi(const int &dpi);
     int dpi() const;
 
     int subPixelCurrentIndex();
     void setSubPixelCurrentIndex(int idx);
     int hintingCurrentIndex();
     void setHintingCurrentIndex(int idx);
 
     bool needsSave() const;
 
 #endif
 
 Q_SIGNALS:
     void excludeChanged();
     void excludeToChanged();
     void excludeFromChanged();
     void antiAliasingChanged();
     void aliasingChanged();
     void dpiChanged();
     void subPixelCurrentIndexChanged();
     void hintingCurrentIndexChanged();
 
 #if defined(HAVE_FONTCONFIG) && HAVE_X11
 private:
-    int m_excludeTo;
-    int m_excludeToOriginal;
-    int m_excludeFrom;
-    int m_excludeFromOriginal;
-    int m_antiAliasing;
-    int m_antiAliasingOriginal;
-    int m_dpi;
-    int m_dpiOriginal;
+    int m_excludeTo = 0;
+    int m_excludeToOriginal = 0;
+    int m_excludeFrom = 0;
+    int m_excludeFromOriginal = 0;
+    int m_antiAliasing = 0;
+    int m_antiAliasingOriginal = 0;
+    int m_dpi = 0;
+    int m_dpiOriginal = 0;
     int m_subPixelCurrentIndex = 0;
-    int m_subPixelCurrentIndexOriginal;
+    int m_subPixelCurrentIndexOriginal = 0;
     int m_hintingCurrentIndex = 0;
-    int m_hintingCurrentIndexOriginal;
+    int m_hintingCurrentIndexOriginal = 0;
     QStandardItemModel *m_subPixelOptionsModel;
     QStandardItemModel *m_hintingOptionsModel;
     bool m_exclude = false;
+    bool m_excludeOriginal = false;
 #endif
 };
 
 /**
  * The Desktop/fonts tab in kcontrol.
  */
 class KFonts : public KQuickAddons::ConfigModule
 {
     Q_OBJECT
     Q_PROPERTY(QFont generalFont READ generalFont WRITE setGeneralFont NOTIFY generalFontChanged)
     Q_PROPERTY(QFont fixedWidthFont READ fixedWidthFont WRITE setFixedWidthFont NOTIFY fixedWidthFontChanged)
     Q_PROPERTY(QFont smallFont READ smallFont WRITE setSmallFont NOTIFY smallFontChanged)
     Q_PROPERTY(QFont toolbarFont READ toolbarFont WRITE setToolbarFont NOTIFY toolbarFontChanged)
     Q_PROPERTY(QFont menuFont READ menuFont WRITE setMenuFont NOTIFY menuFontChanged)
     Q_PROPERTY(QFont windowTitleFont READ windowTitleFont WRITE setWindowTitleFont NOTIFY windowTitleFontChanged)
     Q_PROPERTY(QObject *fontAASettings READ fontAASettings CONSTANT)
 
 public:
     KFonts(QObject *parent, const QVariantList &);
     ~KFonts() override;
 
     void setGeneralFont(const QFont &font);
     QFont generalFont() const;
 
     void setFixedWidthFont(const QFont &font);
     QFont fixedWidthFont() const;
 
     void setSmallFont(const QFont &font);
     QFont smallFont() const;
 
     void setToolbarFont(const QFont &font);
     QFont toolbarFont() const;
 
     void setMenuFont(const QFont &font);
     QFont menuFont() const;
 
     void setWindowTitleFont(const QFont &font);
     QFont windowTitleFont() const;
 
     QObject* fontAASettings() { return m_fontAASettings; }
 
 public Q_SLOTS:
     void load() override;
     void save() override;
     void defaults() override;
     Q_INVOKABLE void adjustAllFonts();
 
 Q_SIGNALS:
     void fontsHaveChanged();
 
     void generalFontChanged();
     void fixedWidthFontChanged();
     void smallFontChanged();
     void toolbarFontChanged();
     void menuFontChanged();
     void windowTitleFontChanged();
 
 private:
     void updateNeedsSave();
     QFont applyFontDiff(const QFont &fnt, const QFont &newFont, int fontDiffFlags);
 
     QFont m_defaultFont;
     QFont m_generalFont;
     QFont m_fixedWidthFont;
     QFont m_smallFont;
     QFont m_toolbarFont;
     QFont m_menuFont;
     QFont m_windowTitleFont;
 
     QFont m_defaultFontOriginal;
     QFont m_generalFontOriginal;
     QFont m_fixedWidthFontOriginal;
     QFont m_smallFontOriginal;
     QFont m_toolbarFontOriginal;
     QFont m_menuFontOriginal;
     QFont m_windowTitleFontOriginal;
 
     FontAASettings *m_fontAASettings;
 };
 
 #endif