tdf#58941 Manipulate with font features using FontFeatureDialog

This adds a font feature dialog activated on the Character page,
which adds a way to manipulate the available font features for the
current selected font (by adding them to the font name).

Change-Id: Icd0eda31b235d3cc8ef6eaee582fb78b4b346d78
Reviewed-on: https://gerrit.libreoffice.org/55894
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>

cui/Library_cui.mk

@@ -102,6 +102,7 @@ $(eval $(call gb_Library_add_exception_objects,cui,\
     cui/source/dialogs/cuiimapwnd \
     cui/source/dialogs/cuitbxform \
     cui/source/dialogs/dlgname \
+    cui/source/dialogs/FontFeaturesDialog \
     cui/source/dialogs/hangulhanjadlg \
     cui/source/dialogs/hldocntp \
     cui/source/dialogs/hldoctp \

cui/UIConfig_cui.mk

@@ -63,6 +63,7 @@ $(eval $(call gb_UIConfig_add_uifiles,cui,\
 	cui/uiconfig/ui/effectspage \
 	cui/uiconfig/ui/eventsconfigpage \
 	cui/uiconfig/ui/formatcellsdialog \
+	cui/uiconfig/ui/fontfeaturesdialog \
 	cui/uiconfig/ui/galleryapplyprogress \
 	cui/uiconfig/ui/galleryfilespage \
 	cui/uiconfig/ui/gallerygeneralpage \

cui/source/dialogs/FontFeaturesDialog.cxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#include <FontFeaturesDialog.hxx>
+
+#include <vcl/font/FeatureParser.hxx>
+#include <svx/strings.hrc>
+#include <svx/dialmgr.hxx>
+
+using namespace css;
+
+namespace cui
+{
+FontFeaturesDialog::FontFeaturesDialog(vcl::Window* pParent, OUString const& rFontName)
+    : ModalDialog(pParent, "FontFeaturesDialog", "cui/ui/fontfeaturesdialog.ui")
+    , m_sFontName(rFontName)
+{
+    get(m_pContentGrid, "contentGrid");
+    get(m_pPreviewWindow, "preview");
+    initialize();
+}
+
+FontFeaturesDialog::~FontFeaturesDialog() { disposeOnce(); }
+
+VclPtr<ComboBox> makeEnumComboBox(vcl::Window* pParent,
+                                  vcl::font::FeatureDefinition const& rFeatureDefinition)
+{
+    VclPtr<ComboBox> aNameBox(
+        VclPtr<ComboBox>::Create(pParent, WB_TABSTOP | WB_DROPDOWN | WB_AUTOHSCROLL));
+    aNameBox->InsertEntry(SvxResId(RID_SVXSTR_NONE));
+    for (vcl::font::FeatureParameter const& rParameter : rFeatureDefinition.getEnumParameters())
+    {
+        aNameBox->InsertEntry(rParameter.getDescription());
+    }
+    aNameBox->EnableAutoSize(true);
+    return aNameBox;
+}
+
+void FontFeaturesDialog::initialize()
+{
+    ScopedVclPtrInstance<VirtualDevice> aVDev(*Application::GetDefaultDevice(),
+                                              DeviceFormat::DEFAULT, DeviceFormat::DEFAULT);
+    aVDev->SetOutputSizePixel(Size(10, 10));
+
+    vcl::Font aFont = aVDev->GetFont();
+    aFont.SetFamilyName(m_sFontName);
+    aVDev->SetFont(aFont);
+
+    std::vector<vcl::font::Feature> rFontFeatures;
+
+    if (!aVDev->GetFontFeatures(rFontFeatures))
+        return;
+
+    vcl::font::FeatureParser aParser(m_sFontName);
+    std::unordered_map<sal_uInt32, sal_uInt32> aExistingFeatures = aParser.getFeaturesMap();
+
+    std::unordered_set<sal_uInt32> aDoneFeatures;
+
+    sal_Int32 i = 0;
+    for (vcl::font::Feature const& rFontFeature : rFontFeatures)
+    {
+        sal_uInt32 nFontFeatureCode = rFontFeature.m_aID.m_aFeatureCode;
+
+        if (aDoneFeatures.find(nFontFeatureCode) != aDoneFeatures.end())
+            continue;
+
+        aDoneFeatures.insert(nFontFeatureCode);
+
+        vcl::font::FeatureDefinition aDefinition;
+        if (rFontFeature.m_aDefinition)
+            aDefinition = rFontFeature.m_aDefinition;
+        if (!aDefinition)
+            aDefinition = { nFontFeatureCode, nullptr };
+
+        m_aFeatureItems.emplace_back();
+
+        sal_uInt32 nValue = 0;
+        if (aExistingFeatures.find(nFontFeatureCode) != aExistingFeatures.end())
+            nValue = aExistingFeatures.at(nFontFeatureCode);
+
+        FontFeatureItem& aCurrentItem = m_aFeatureItems.back();
+        aCurrentItem.m_aFeatureCode = nFontFeatureCode;
+
+        sal_Int32 nGridPositionX = (i % 2) * 2;
+        sal_Int32 nGridPositionY = i / 2;
+
+        Link<ComboBox&, void> aComboBoxSelectHandler
+            = LINK(this, FontFeaturesDialog, ComboBoxSelectedHdl);
+        Link<CheckBox&, void> aCheckBoxToggleHandler
+            = LINK(this, FontFeaturesDialog, CheckBoxToggledHdl);
+
+        if (aDefinition.getType() == vcl::font::FeatureParameterType::ENUM)
+        {
+            aCurrentItem.m_pText
+                = VclPtr<FixedText>::Create(m_pContentGrid, WB_LEFT | WB_VCENTER | WB_3DLOOK);
+            aCurrentItem.m_pText->set_grid_left_attach(nGridPositionX);
+            aCurrentItem.m_pText->set_grid_top_attach(nGridPositionY);
+            aCurrentItem.m_pText->set_margin_left(6);
+            aCurrentItem.m_pText->set_margin_right(6);
+            aCurrentItem.m_pText->set_margin_top(3);
+            aCurrentItem.m_pText->set_margin_bottom(3);
+            aCurrentItem.m_pText->SetText(aDefinition.getDescription());
+            aCurrentItem.m_pText->Show();
+
+            aCurrentItem.m_pCombo = makeEnumComboBox(m_pContentGrid, aDefinition);
+
+            aCurrentItem.m_pCombo->SelectEntryPos(nValue);
+            aCurrentItem.m_pCombo->set_grid_left_attach(nGridPositionX + 1);
+            aCurrentItem.m_pCombo->set_grid_top_attach(nGridPositionY);
+            aCurrentItem.m_pCombo->set_margin_left(6);
+            aCurrentItem.m_pCombo->set_margin_right(6);
+            aCurrentItem.m_pCombo->set_margin_top(3);
+            aCurrentItem.m_pCombo->set_margin_bottom(3);
+            aCurrentItem.m_pCombo->SetSelectHdl(aComboBoxSelectHandler);
+            aCurrentItem.m_pCombo->Show();
+        }
+        else
+        {
+            aCurrentItem.m_pCheck = VclPtr<CheckBox>::Create(
+                m_pContentGrid, WB_CLIPCHILDREN | WB_LEFT | WB_VCENTER | WB_3DLOOK);
+            aCurrentItem.m_pCheck->set_grid_left_attach(nGridPositionX);
+            aCurrentItem.m_pCheck->set_grid_top_attach(nGridPositionY);
+            aCurrentItem.m_pCheck->set_grid_width(2);
+            aCurrentItem.m_pCheck->set_margin_left(6);
+            aCurrentItem.m_pCheck->set_margin_right(6);
+            aCurrentItem.m_pCheck->set_margin_top(3);
+            aCurrentItem.m_pCheck->set_margin_bottom(3);
+            aCurrentItem.m_pCheck->Check(nValue > 0);
+            aCurrentItem.m_pCheck->SetText(aDefinition.getDescription());
+            aCurrentItem.m_pCheck->SetToggleHdl(aCheckBoxToggleHandler);
+            aCurrentItem.m_pCheck->Show();
+        }
+
+        i++;
+    }
+
+    updateFontPreview();
+}
+
+void FontFeaturesDialog::updateFontPreview()
+{
+    vcl::Font rPreviewFont = m_pPreviewWindow->GetFont();
+    vcl::Font rPreviewFontCJK = m_pPreviewWindow->GetCJKFont();
+    vcl::Font rPreviewFontCTL = m_pPreviewWindow->GetCTLFont();
+
+    OUString sNewFontName = createFontNameWithFeatures();
+
+    rPreviewFont.SetFamilyName(sNewFontName);
+    rPreviewFontCJK.SetFamilyName(sNewFontName);
+    rPreviewFontCTL.SetFamilyName(sNewFontName);
+
+    m_pPreviewWindow->SetFont(rPreviewFont, rPreviewFontCJK, rPreviewFontCTL);
+}
+
+void FontFeaturesDialog::dispose()
+{
+    m_pContentGrid.clear();
+    m_pPreviewWindow.clear();
+    for (FontFeatureItem& rItem : m_aFeatureItems)
+    {
+        rItem.m_pText.disposeAndClear();
+        rItem.m_pCombo.disposeAndClear();
+        rItem.m_pCheck.disposeAndClear();
+    }
+    ModalDialog::dispose();
+}
+
+IMPL_LINK_NOARG(FontFeaturesDialog, CheckBoxToggledHdl, CheckBox&, void) { updateFontPreview(); }
+
+IMPL_LINK_NOARG(FontFeaturesDialog, ComboBoxSelectedHdl, ComboBox&, void) { updateFontPreview(); }
+
+OUString FontFeaturesDialog::createFontNameWithFeatures()
+{
+    OUString sResultFontName;
+    OUString sNameSuffix;
+    bool bFirst = true;
+
+    for (FontFeatureItem& rItem : m_aFeatureItems)
+    {
+        if (rItem.m_pCheck)
+        {
+            if (rItem.m_pCheck->IsChecked())
+            {
+                if (!bFirst)
+                    sNameSuffix += OUString(vcl::font::FeatureSeparator);
+                else
+                    bFirst = false;
+
+                sNameSuffix += vcl::font::featureCodeAsString(rItem.m_aFeatureCode);
+            }
+        }
+        else if (rItem.m_pCombo && rItem.m_pText)
+        {
+            sal_uInt32 nSelection = rItem.m_pCombo->GetSelectedEntryPos();
+            if (nSelection > 0)
+            {
+                if (!bFirst)
+                    sNameSuffix += OUString(vcl::font::FeatureSeparator);
+                else
+                    bFirst = false;
+
+                sNameSuffix += vcl::font::featureCodeAsString(rItem.m_aFeatureCode);
+                sNameSuffix += "=";
+                sNameSuffix += OUString::number(nSelection);
+            }
+        }
+    }
+    sResultFontName = vcl::font::trimFontNameFeatures(m_sFontName);
+    if (!sNameSuffix.isEmpty())
+        sResultFontName += OUString(vcl::font::FeaturePrefix) + sNameSuffix;
+    return sResultFontName;
+}
+
+short FontFeaturesDialog::Execute()
+{
+    short nResult = ModalDialog::Execute();
+    if (nResult == RET_OK)
+    {
+        m_sResultFontName = createFontNameWithFeatures();
+    }
+    return nResult;
+}
+
+} // end svx namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

cui/source/inc/FontFeaturesDialog.hxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#ifndef INCLUDED_CUI_SOURCE_INC_FONTFEATURESDIALOG_HXX
+#define INCLUDED_CUI_SOURCE_INC_FONTFEATURESDIALOG_HXX
+
+#include <vcl/layout.hxx>
+#include <vcl/font/Feature.hxx>
+#include <svx/fntctrl.hxx>
+#include "chardlg.hxx"
+#include <memory>
+
+namespace cui
+{
+struct FontFeatureItem
+{
+    FontFeatureItem()
+        : m_aFeatureCode(0)
+    {
+    }
+
+    sal_uInt32 m_aFeatureCode;
+    VclPtr<Control> m_pText;
+    VclPtr<ComboBox> m_pCombo;
+    VclPtr<CheckBox> m_pCheck;
+};
+
+class FontFeaturesDialog : public ModalDialog
+{
+private:
+    VclPtr<VclGrid> m_pContentGrid;
+    VclPtr<SvxFontPrevWindow> m_pPreviewWindow;
+
+    std::vector<FontFeatureItem> m_aFeatureItems;
+    OUString m_sFontName;
+    OUString m_sResultFontName;
+
+    void initialize();
+    OUString createFontNameWithFeatures();
+
+    DECL_LINK(ComboBoxSelectedHdl, ComboBox&, void);
+    DECL_LINK(CheckBoxToggledHdl, CheckBox&, void);
+
+public:
+    FontFeaturesDialog(vcl::Window* pParent, OUString const& rFontName);
+    ~FontFeaturesDialog() override;
+    void dispose() override;
+    short Execute() override;
+
+    OUString getResultFontName() { return m_sResultFontName; }
+
+    void updateFontPreview();
+};
+
+} // end svx namespaces
+
+#endif // INCLUDED_CUI_SOURCE_INC_FONTFEATURESDIALOG_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

cui/source/inc/chardlg.hxx

@@ -27,6 +27,7 @@
 #include <svx/langbox.hxx>
 #include <vcl/layout.hxx>
 #include <vcl/weld.hxx>
+#include <vcl/button.hxx>
 #include <memory>
 
 // forward ---------------------------------------------------------------
@@ -109,6 +110,7 @@ private:
     VclPtr<FixedText>          m_pWestFontLanguageFT;
     VclPtr<SvxLanguageComboBox> m_pWestFontLanguageLB;
     VclPtr<FixedText>          m_pWestFontTypeFT;
+    VclPtr<PushButton>         m_pWestFontFeaturesButton;
 
     VclPtr<VclContainer>       m_pEastFrame;
     VclPtr<FixedText>          m_pEastFontNameFT;
@@ -120,6 +122,7 @@ private:
     VclPtr<FixedText>          m_pEastFontLanguageFT;
     VclPtr<SvxLanguageBox>     m_pEastFontLanguageLB;
     VclPtr<FixedText>          m_pEastFontTypeFT;
+    VclPtr<PushButton>         m_pEastFontFeaturesButton;
 
     VclPtr<VclContainer>       m_pCTLFrame;
     VclPtr<FixedText>          m_pCTLFontNameFT;
@@ -131,6 +134,7 @@ private:
     VclPtr<FixedText>          m_pCTLFontLanguageFT;
     VclPtr<SvxLanguageBox>     m_pCTLFontLanguageLB;
     VclPtr<FixedText>          m_pCTLFontTypeFT;
+    VclPtr<PushButton>         m_pCTLFontFeaturesButton;
 
     std::unique_ptr<SvxCharNamePage_Impl>   m_pImpl;
 
@@ -164,6 +168,8 @@ private:
     DECL_LINK( FontModifyEditHdl_Impl, Edit&, void );
     DECL_LINK( FontModifyListBoxHdl_Impl, ListBox&, void );
     DECL_LINK( FontModifyComboBoxHdl_Impl, ComboBox&, void );
+    DECL_LINK(FontFeatureButtonClicked, Button*, void);
+
     void FontModifyHdl_Impl(void const *);
 
 public:

cui/source/tabpages/chardlg.cxx

@@ -69,6 +69,7 @@
 #include <svl/intitem.hxx>
 #include <sfx2/request.hxx>
 #include <svx/flagsdef.hxx>
+#include <FontFeaturesDialog.hxx>
 
 using namespace ::com::sun::star;
 
@@ -302,6 +303,8 @@ SvxCharNamePage::SvxCharNamePage( vcl::Window* pParent, const SfxItemSet& rInSet
         get(m_pWestFontLanguageFT, "westlangft-cjk");
         get(m_pWestFontLanguageLB, "westlanglb-cjk");
         get(m_pWestFontTypeFT, "westfontinfo-cjk");
+
+        get(m_pWestFontFeaturesButton, "west_features_button-cjk");
     }
     else
     {
@@ -328,6 +331,7 @@ SvxCharNamePage::SvxCharNamePage( vcl::Window* pParent, const SfxItemSet& rInSet
     get(m_pEastFontLanguageFT, "eastlangft");
     get(m_pEastFontLanguageLB, "eastlanglb");
     get(m_pEastFontTypeFT, "eastfontinfo");
+    get(m_pEastFontFeaturesButton, "east_features_button");
 
     get(m_pCTLFrame, "ctl");
     get(m_pCTLFontNameFT, "ctlfontnameft");
@@ -339,6 +343,7 @@ SvxCharNamePage::SvxCharNamePage( vcl::Window* pParent, const SfxItemSet& rInSet
     get(m_pCTLFontLanguageFT, "ctllangft");
     get(m_pCTLFontLanguageLB, "ctllanglb");
     get(m_pCTLFontTypeFT, "ctlfontinfo");
+    get(m_pCTLFontFeaturesButton, "ctl_features_button");
 
     //In MacOSX the standard dialogs name font-name, font-style as
     //Family, Typeface
@@ -404,6 +409,7 @@ void SvxCharNamePage::dispose()
     m_pWestFontSizeLB.clear();
     m_pWestFontLanguageFT.clear();
     m_pWestFontLanguageLB.clear();
+    m_pWestFontFeaturesButton.clear();
     m_pWestFontTypeFT.clear();
     m_pEastFrame.clear();
     m_pEastFontNameFT.clear();
@@ -415,6 +421,7 @@ void SvxCharNamePage::dispose()
     m_pEastFontLanguageFT.clear();
     m_pEastFontLanguageLB.clear();
     m_pEastFontTypeFT.clear();
+    m_pEastFontFeaturesButton.clear();
     m_pCTLFrame.clear();
     m_pCTLFontNameFT.clear();
     m_pCTLFontNameLB.clear();
@@ -425,6 +432,8 @@ void SvxCharNamePage::dispose()
     m_pCTLFontLanguageFT.clear();
     m_pCTLFontLanguageLB.clear();
     m_pCTLFontTypeFT.clear();
+    m_pCTLFontFeaturesButton.clear();
+
     SvxCharBasePage::dispose();
 }
 
@@ -438,14 +447,20 @@ void SvxCharNamePage::Initialize()
     m_pWestFontStyleLB->SetModifyHdl( aLink );
     m_pWestFontSizeLB->SetModifyHdl( aLink );
     m_pWestFontLanguageLB->SetSelectHdl( LINK( this, SvxCharNamePage, FontModifyComboBoxHdl_Impl ) );
+
+    m_pWestFontFeaturesButton->SetClickHdl(LINK(this, SvxCharNamePage, FontFeatureButtonClicked));
+
     m_pEastFontNameLB->SetModifyHdl( aLink );
     m_pEastFontStyleLB->SetModifyHdl( aLink );
     m_pEastFontSizeLB->SetModifyHdl( aLink );
     m_pEastFontLanguageLB->SetSelectHdl( LINK( this, SvxCharNamePage, FontModifyListBoxHdl_Impl ) );
+    m_pEastFontFeaturesButton->SetClickHdl(LINK(this, SvxCharNamePage, FontFeatureButtonClicked));
+
     m_pCTLFontNameLB->SetModifyHdl( aLink );
     m_pCTLFontStyleLB->SetModifyHdl( aLink );
     m_pCTLFontSizeLB->SetModifyHdl( aLink );
     m_pCTLFontLanguageLB->SetSelectHdl( LINK( this, SvxCharNamePage, FontModifyListBoxHdl_Impl ) );
+    m_pCTLFontFeaturesButton->SetClickHdl(LINK(this, SvxCharNamePage, FontFeatureButtonClicked));
 
     m_pImpl->m_aUpdateIdle.SetInvokeHandler( LINK( this, SvxCharNamePage, UpdateHdl_Impl ) );
 }
@@ -1185,6 +1200,38 @@ IMPL_LINK( SvxCharNamePage, FontModifyEditHdl_Impl, Edit&, rBox, void )
 {
     FontModifyHdl_Impl(&rBox);
 }
+IMPL_LINK(SvxCharNamePage, FontFeatureButtonClicked, Button*, pButton, void )
+{
+    OUString sFontName;
+    FontNameBox * pNameBox = nullptr;
+
+    if (pButton == m_pWestFontFeaturesButton.get())
+    {
+        pNameBox = m_pWestFontNameLB;
+        sFontName = GetPreviewFont().GetFamilyName();
+    }
+    else if (pButton == m_pEastFontFeaturesButton.get())
+    {
+        pNameBox = m_pEastFontNameLB;
+        sFontName = GetPreviewCJKFont().GetFamilyName();
+    }
+    else if (pButton == m_pCTLFontFeaturesButton.get())
+    {
+        pNameBox = m_pCTLFontNameLB;
+        sFontName = GetPreviewCTLFont().GetFamilyName();
+    }
+
+    if (!sFontName.isEmpty() && pNameBox)
+    {
+        ScopedVclPtrInstance<cui::FontFeaturesDialog> pDialog(this, sFontName);
+        if (pDialog->Execute() == RET_OK)
+        {
+            pNameBox->SetText(pDialog->getResultFontName());
+            UpdatePreview_Impl();
+        }
+    }
+}
+
 void SvxCharNamePage::FontModifyHdl_Impl(void const * pNameBox)
 {
     m_pImpl->m_aUpdateIdle.Start();

cui/uiconfig/ui/fontfeaturesdialog.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.22.1 -->
+<interface domain="cui">
+  <requires lib="gtk+" version="3.18"/>
+  <requires lib="LibreOffice" version="1.0"/>
+  <object class="GtkDialog" id="FontFeaturesDialog">
+    <property name="can_focus">False</property>
+    <property name="border_width">6</property>
+    <property name="title" translatable="yes" context="newtabledialog|NewTableDialog">Font Features</property>
+    <property name="modal">True</property>
+    <property name="default_width">1</property>
+    <property name="default_height">1</property>
+    <property name="type_hint">dialog</property>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox">
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <property name="spacing">12</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox">
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="help">
+                <property name="label">gtk-help</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="receives_default">True</property>
+                <property name="use_stock">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">0</property>
+                <property name="secondary">True</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="ok">
+                <property name="label">gtk-ok</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="has_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_stock">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="cancel">
+                <property name="label">gtk-cancel</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="receives_default">True</property>
+                <property name="use_stock">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">2</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <object class="GtkScrolledWindow">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="shadow_type">in</property>
+                <child>
+                  <object class="GtkViewport">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <child>
+                      <object class="GtkGrid" id="contentGrid">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                      </object>
+                    </child>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="expand">True</property>
+                <property name="fill">True</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkAlignment" id="alignment4">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="valign">end</property>
+                <property name="top_padding">6</property>
+                <property name="left_padding">12</property>
+                <property name="right_padding">12</property>
+                <child>
+                  <object class="svxlo-SvxFontPrevWindow" id="preview:border">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <child internal-child="accessible">
+                      <object class="AtkObject" id="preview:border-atkobject">
+                        <property name="AtkObject::accessible-name" translatable="yes" context="fontfeaturesdialog|preview-atkobject">Preview</property>
+                      </object>
+                    </child>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="pack_type">end</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="-11">help</action-widget>
+      <action-widget response="-5">ok</action-widget>
+      <action-widget response="-6">cancel</action-widget>
+    </action-widgets>
+  </object>
+</interface>