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[freetype2-demos] master 6e71c99 38/41: [ftinspect] Format `src/ftinspec


From: Werner Lemberg
Subject: [freetype2-demos] master 6e71c99 38/41: [ftinspect] Format `src/ftinspect/panels/*`.
Date: Mon, 3 Oct 2022 11:27:04 -0400 (EDT)

branch: master
commit 6e71c9969aced97292e33a8f33c845c36567f7f7
Author: Werner Lemberg <wl@gnu.org>
Commit: Werner Lemberg <wl@gnu.org>

    [ftinspect] Format `src/ftinspect/panels/*`.
---
 src/ftinspect/panels/abstracttab.hpp      |   9 +-
 src/ftinspect/panels/comparator.cpp       |  64 +--
 src/ftinspect/panels/comparator.hpp       |  23 +-
 src/ftinspect/panels/continuous.cpp       | 156 +++----
 src/ftinspect/panels/continuous.hpp       |  55 +--
 src/ftinspect/panels/glyphdetails.cpp     |  68 ++--
 src/ftinspect/panels/glyphdetails.hpp     |  16 +-
 src/ftinspect/panels/info.cpp             | 652 +++++++++++++++---------------
 src/ftinspect/panels/info.hpp             | 160 ++++----
 src/ftinspect/panels/settingpanel.cpp     | 108 ++---
 src/ftinspect/panels/settingpanel.hpp     |  46 +--
 src/ftinspect/panels/settingpanelmmgx.cpp |  17 +-
 src/ftinspect/panels/settingpanelmmgx.hpp |  22 +-
 src/ftinspect/panels/singular.cpp         |  69 ++--
 src/ftinspect/panels/singular.hpp         |  49 ++-
 15 files changed, 806 insertions(+), 708 deletions(-)

diff --git a/src/ftinspect/panels/abstracttab.hpp 
b/src/ftinspect/panels/abstracttab.hpp
index bd27f8d..be900d2 100644
--- a/src/ftinspect/panels/abstracttab.hpp
+++ b/src/ftinspect/panels/abstracttab.hpp
@@ -4,14 +4,15 @@
 
 #pragma once
 
-// This is an pure abstract interface for a ftinspect "tab".
-// The interface itself does not inherit from `QWidget`, but should be used as
+
+// This is a pure, abstract interface for a 'tab' used within `ftinspect`.
+// The interface itself does not inherit from `QWidget` but should be used as
 // the second base class.
 class AbstractTab
 {
 public:
-  virtual ~AbstractTab() = default; // must be `virtual` for `dynamic_cast`
-  
+  virtual ~AbstractTab() = default; // Must be `virtual` for `dynamic_cast`.
+
   virtual void repaintGlyph() = 0;
   virtual void reloadFont() = 0;
 };
diff --git a/src/ftinspect/panels/comparator.cpp 
b/src/ftinspect/panels/comparator.cpp
index f1fae90..665b586 100644
--- a/src/ftinspect/panels/comparator.cpp
+++ b/src/ftinspect/panels/comparator.cpp
@@ -6,12 +6,15 @@
 
 #include <QScrollBar>
 
+
 namespace
 {
 extern const char* ComparatorDefaultText;
 }
 
-ComparatorTab::ComparatorTab(QWidget* parent, Engine* engine)
+
+ComparatorTab::ComparatorTab(QWidget* parent,
+                             Engine* engine)
 : QWidget(parent),
   engine_(engine)
 {
@@ -35,8 +38,8 @@ ComparatorTab::repaintGlyph()
   for (auto canvas : canvas_)
   {
     applySettings(i);
-    // No cache here, because when switching between columns, the hinting
-    // mode or enabling of embedded bitmaps may differ
+    // No cache here, because when switching between columns the hinting
+    // mode or enabling of embedded bitmaps may differ.
     canvas->stringRenderer().reloadGlyphs();
     canvas->purgeCache();
     canvas->repaint();
@@ -50,8 +53,9 @@ ComparatorTab::reloadFont()
 {
   {
     QSignalBlocker blocker(sizeSelector_);
-    sizeSelector_->reloadFromFont(engine_); 
+    sizeSelector_->reloadFromFont(engine_);
   }
+
   charMapSelector_->repopulate();
   for (auto panel : settingPanels_)
     panel->onFontChanged();
@@ -160,8 +164,8 @@ ComparatorTab::createConnections()
 
   for (auto panel : settingPanels_)
   {
-    // We're treating the two events identically, because we need to do a
-    // complete flush anyway
+    // We're treating the two events identically because we need to do a
+    // complete flush anyway.
     connect(panel, &SettingPanel::repaintNeeded,
             this, &ComparatorTab::repaintGlyph);
     connect(panel, &SettingPanel::fontReloadNeeded,
@@ -200,11 +204,11 @@ ComparatorTab::forceEqualWidths()
   if (canvas_.empty())
     return;
 
-  // We need to keep the columns strictly equally wide, so we need to 
compensate
-  // the remainders when the tab width can't be evenly divided.
-  // Since the canvases are contained within QFrames, we can safely set fixed
-  // widths to them without messying up with the QGridLayout layouting.
-  // Using the first canvas as the reference width.
+  // We need to keep the columns strictly equally wide, so we need to
+  // compensate the remainders when the tab width can't be evenly divided.
+  // Since the canvases are contained within `QFrame`s, we can safely set
+  // fixed widths to them without messing up with the `QGridLayout`
+  // layouting.  Using the first canvas as the reference width.
   auto w = canvas_[0]->size().width();
   for (int i = 1; static_cast<unsigned>(i) < canvas_.size(); ++i)
     canvas_[i]->setFixedWidth(w);
@@ -288,25 +292,25 @@ ComparatorTab::wheelZoom(int steps)
 namespace
 {
 const char* ComparatorDefaultText
-    = "Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Cras sit amet"
-      " dui.  Nam sapien. Fusce vestibulum ornare metus. Maecenas ligula orci,"
-      " consequat vitae, dictum nec, lacinia non, elit. Aliquam iaculis"
-      " molestie neque. Maecenas suscipit felis ut pede convallis malesuada."
-      " Aliquam erat volutpat. Nunc pulvinar condimentum nunc. Donec ac sem 
vel"
-      " leo bibendum aliquam. Pellentesque habitant morbi tristique senectus 
et"
-      " netus et malesuada fames ac turpis egestas.\n"
-      "\n"
-      "Sed commodo. Nulla ut libero sit amet justo varius blandit. Mauris 
vitae"
-      " nulla eget lorem pretium ornare. Proin vulputate erat porta risus."
-      " Vestibulum malesuada, odio at vehicula lobortis, nisi metus hendrerit"
-      " est, vitae feugiat quam massa a ligula. Aenean in tellus. Praesent"
-      " convallis. Nullam vel lacus.  Aliquam congue erat non urna mollis"
-      " faucibus. Morbi vitae mauris faucibus quam condimentum ornare. Quisque"
-      " sit amet augue. Morbi ullamcorper mattis enim. Aliquam erat volutpat."
-      " Morbi nec felis non enim pulvinar lobortis.  Ut libero. Nullam id orci"
-      " quis nisl dapibus rutrum. Suspendisse consequat vulputate leo. Aenean"
-      " non orci non tellus iaculis vestibulum. Sed neque.\n"
-      "\n";
+  = "Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Cras sit amet"
+    " dui.  Nam sapien. Fusce vestibulum ornare metus. Maecenas ligula orci,"
+    " consequat vitae, dictum nec, lacinia non, elit. Aliquam iaculis"
+    " molestie neque. Maecenas suscipit felis ut pede convallis malesuada."
+    " Aliquam erat volutpat. Nunc pulvinar condimentum nunc. Donec ac sem vel"
+    " leo bibendum aliquam. Pellentesque habitant morbi tristique senectus et"
+    " netus et malesuada fames ac turpis egestas.\n"
+    "\n"
+    "Sed commodo. Nulla ut libero sit amet justo varius blandit. Mauris vitae"
+    " nulla eget lorem pretium ornare. Proin vulputate erat porta risus."
+    " Vestibulum malesuada, odio at vehicula lobortis, nisi metus hendrerit"
+    " est, vitae feugiat quam massa a ligula. Aenean in tellus. Praesent"
+    " convallis. Nullam vel lacus.  Aliquam congue erat non urna mollis"
+    " faucibus. Morbi vitae mauris faucibus quam condimentum ornare. Quisque"
+    " sit amet augue. Morbi ullamcorper mattis enim. Aliquam erat volutpat."
+    " Morbi nec felis non enim pulvinar lobortis.  Ut libero. Nullam id orci"
+    " quis nisl dapibus rutrum. Suspendisse consequat vulputate leo. Aenean"
+    " non orci non tellus iaculis vestibulum. Sed neque.\n"
+    "\n";
 }
 
 
diff --git a/src/ftinspect/panels/comparator.hpp 
b/src/ftinspect/panels/comparator.hpp
index e3ab7fc..86302fa 100644
--- a/src/ftinspect/panels/comparator.hpp
+++ b/src/ftinspect/panels/comparator.hpp
@@ -6,34 +6,39 @@
 
 #include "abstracttab.hpp"
 #include "../engine/engine.hpp"
-#include "../widgets/customwidgets.hpp"
+#include "../glyphcomponents/glyphcontinuous.hpp"
+#include "../panels/settingpanel.hpp"
 #include "../widgets/charmapcombobox.hpp"
+#include "../widgets/customwidgets.hpp"
 #include "../widgets/fontsizeselector.hpp"
-#include "../panels/settingpanel.hpp"
-#include "../glyphcomponents/glyphcontinuous.hpp"
 
 #include <vector>
 
-#include <QWidget>
+#include <QBoxLayout>
 #include <QFrame>
-#include <QLabel>
 #include <QGridLayout>
-#include <QBoxLayout>
+#include <QLabel>
 #include <QPlainTextEdit>
+#include <QWidget>
+
 
 class ComparatorTab
-: public QWidget, public AbstractTab
+: public QWidget,
+  public AbstractTab
 {
   Q_OBJECT
+
 public:
-  ComparatorTab(QWidget* parent, Engine* engine);
+  ComparatorTab(QWidget* parent,
+                Engine* engine);
   ~ComparatorTab() override;
 
   void repaintGlyph() override;
   void reloadFont() override;
 
 protected:
-  bool eventFilter(QObject* watched, QEvent* event) override;
+  bool eventFilter(QObject* watched,
+                   QEvent* event) override;
   void resizeEvent(QResizeEvent* event) override;
 
 private:
diff --git a/src/ftinspect/panels/continuous.cpp 
b/src/ftinspect/panels/continuous.cpp
index ef52034..51f9a3c 100644
--- a/src/ftinspect/panels/continuous.cpp
+++ b/src/ftinspect/panels/continuous.cpp
@@ -3,11 +3,11 @@
 // Copyright (C) 2022 by Charlie Jiang.
 
 #include "continuous.hpp"
-
 #include "glyphdetails.hpp"
 #include "../uihelper.hpp"
 
 #include <climits>
+
 #include <QToolTip>
 #include <QVariant>
 
@@ -24,7 +24,7 @@ ContinuousTab::ContinuousTab(QWidget* parent,
   createLayout();
 
   std::vector<CharMapInfo> tempCharMaps;
-  charMapSelector_->repopulate(tempCharMaps); // pass in an empty one
+  charMapSelector_->repopulate(tempCharMaps); // Pass in an empty one.
 
   checkModeSource();
   setDefaults();
@@ -37,7 +37,7 @@ void
 ContinuousTab::repaintGlyph()
 {
   sizeSelector_->applyToEngine(engine_);
-  
+
   applySettings();
   canvas_->stopFlashing();
   canvas_->purgeCache();
@@ -67,7 +67,8 @@ ContinuousTab::reloadFont()
 void
 ContinuousTab::applySettings()
 {
-  auto mode = 
static_cast<GlyphContinuous::Mode>(modeSelector_->currentIndex());
+  auto mode
+    = static_cast<GlyphContinuous::Mode>(modeSelector_->currentIndex());
   auto src
     = static_cast<GlyphContinuous::Source>(sourceSelector_->currentIndex());
   canvas_->setMode(mode);
@@ -80,8 +81,9 @@ ContinuousTab::applySettings()
   sr.setKerning(kerningCheckBox_->isChecked());
   sr.setRotation(rotationSpinBox_->value());
 
-  // -1: Glyph order, otherwise the char map index in the original list
-  sr.setCharMapIndex(charMapSelector_->currentCharMapIndex(), 
glyphLimitIndex_);
+  // -1: Glyph order, otherwise the char map index in the original list.
+  sr.setCharMapIndex(charMapSelector_->currentCharMapIndex(),
+                     glyphLimitIndex_);
 
   if (sr.isWaterfall())
     sr.setWaterfallParameters(wfConfigDialog_->startSize(),
@@ -131,15 +133,17 @@ ContinuousTab::updateLimitIndex()
 void
 ContinuousTab::checkModeSource()
 {
-  auto isFancy = modeSelector_->currentIndex() == GlyphContinuous::M_Fancy;
-  auto isStroked = modeSelector_->currentIndex() == GlyphContinuous::M_Stroked;
+  auto isFancy
+    = modeSelector_->currentIndex() == GlyphContinuous::M_Fancy;
+  auto isStroked
+    = modeSelector_->currentIndex() == GlyphContinuous::M_Stroked;
   xEmboldeningSpinBox_->setEnabled(isFancy);
   yEmboldeningSpinBox_->setEnabled(isFancy);
   slantSpinBox_->setEnabled(isFancy);
   strokeRadiusSpinBox_->setEnabled(isStroked);
 
   auto src
-      = static_cast<GlyphContinuous::Source>(sourceSelector_->currentIndex());
+    = static_cast<GlyphContinuous::Source>(sourceSelector_->currentIndex());
   auto isTextStrict = src == GlyphContinuous::SRC_TextString;
   auto isText = src == GlyphContinuous::SRC_TextString
                 || src == GlyphContinuous::SRC_TextStringRepeated;
@@ -153,7 +157,7 @@ ContinuousTab::checkModeSource()
     if (!isText)
       kerningCheckBox_->setChecked(false);
   }
-  
+
   canvas_->setSource(src);
 
   {
@@ -250,7 +254,7 @@ ContinuousTab::updateGlyphDetails(GlyphCacheEntry* ctxt,
 void
 ContinuousTab::openWaterfallConfig()
 {
-  wfConfigDialog_->setVisible(true); // no `exec`: modalless
+  wfConfigDialog_->setVisible(true); // No `exec`: not modal.
 }
 
 
@@ -324,7 +328,7 @@ ContinuousTab::createLayout()
   indexSelector_->setNumberRenderer([this](int index)
                                     { return formatIndex(index); });
   sourceTextEdit_ = new QPlainTextEdit(
-      tr("The quick brown fox jumps over the lazy dog."), this);
+    tr("The quick brown fox jumps over the lazy dog."), this);
 
   modeSelector_ = new QComboBox(this);
   charMapSelector_ = new CharMapComboBox(this, engine_);
@@ -333,16 +337,16 @@ ContinuousTab::createLayout()
 
   charMapSelector_->setSizeAdjustPolicy(QComboBox::AdjustToContents);
 
-  // Note: in sync with the enum!!
+  // Note: must be in sync with the enum!
   modeSelector_->insertItem(GlyphContinuous::M_Normal, tr("Normal"));
   modeSelector_->insertItem(GlyphContinuous::M_Fancy, tr("Fancy"));
   modeSelector_->insertItem(GlyphContinuous::M_Stroked, tr("Stroked"));
   modeSelector_->setCurrentIndex(GlyphContinuous::M_Normal);
 
-  // Note: in sync with the enum!!
+  // Note: must be in sync with the enum!
   sourceSelector_->insertItem(GlyphContinuous::SRC_AllGlyphs,
                               tr("All Glyphs"));
-  sourceSelector_->insertItem(GlyphContinuous::SRC_TextString, 
+  sourceSelector_->insertItem(GlyphContinuous::SRC_TextString,
                               tr("Text String"));
   sourceSelector_->insertItem(GlyphContinuous::SRC_TextStringRepeated,
                               tr("Text String (Repeated)"));
@@ -390,35 +394,38 @@ ContinuousTab::createLayout()
   wfConfigDialog_ = new WaterfallConfigDialog(this);
 
   // Tooltips
-  sourceSelector_->setToolTip(tr("Choose what to display as the text 
source."));
-  modeSelector_->setToolTip(
-    tr("Choose the special effect in which the text is displayed."));
-  strokeRadiusSpinBox_->setToolTip(
-    tr("Stroke corner radius (only available when mode set to Stroked)"));
+  sourceSelector_->setToolTip(tr(
+    "Choose what to display as the text source."));
+  modeSelector_->setToolTip(tr(
+    "Choose the special effect in which the text is displayed."));
+  strokeRadiusSpinBox_->setToolTip(tr(
+    "Stroke corner radius (only available when mode set to Stroked)"));
   rotationSpinBox_->setToolTip(tr("Rotation, in degrees"));
-  xEmboldeningSpinBox_->setToolTip(
-    tr("Horizontal Emboldening (only available when mode set to Fancy)"));
-  yEmboldeningSpinBox_->setToolTip(
-    tr("Vertical Emboldening (only available when mode set to Fancy)"));
-  slantSpinBox_->setToolTip(
-    tr("Slanting (only available when mode set to Fancy)"));
-  sourceTextEdit_->setToolTip(
-    tr("Source string (only available when source set to Text String)"));
+  xEmboldeningSpinBox_->setToolTip(tr(
+    "Horizontal Emboldening (only available when mode set to Fancy)"));
+  yEmboldeningSpinBox_->setToolTip(tr(
+    "Vertical Emboldening (only available when mode set to Fancy)"));
+  slantSpinBox_->setToolTip(tr(
+    "Slanting (only available when mode set to Fancy)"));
+  sourceTextEdit_->setToolTip(tr(
+    "Source string (only available when source set to Text String)"));
   waterfallConfigButton_->setToolTip(tr(
     "Set waterfall start and end size. Not available when the font is not\n"
     "scalable because in such case all available sizes would be displayed."));
-  sampleStringSelector_->setToolTip(
-    tr("Select preset sample strings (only available when source set to\nText "
-       "String)"));
-  resetPositionButton_->setToolTip(tr("Reset the position to the center (only "
-                                      "available when source set to\nText "
-                                      "String)"));
+  sampleStringSelector_->setToolTip(tr(
+    "Select preset sample strings (only available when source set to\n"
+    "Text String)"));
+  resetPositionButton_->setToolTip(tr(
+    "Reset the position to the center (only available when source set to\n"
+    "Text String)"));
   waterfallCheckBox_->setToolTip(tr(
-    "Enable waterfall mode: show the font output in different sizes.\nWill "
-    "show all available sizes when the font is not scalable."));
-  verticalCheckBox_->setToolTip(tr("Enable vertical rendering (only 
available\n"
-                                "when source set to Text String)"));
-  kerningCheckBox_->setToolTip(tr("Enable kerning (GPOS table unsupported)"));
+    "Enable waterfall mode: show the font output in different sizes.\n"
+    "Will show all available sizes when the font is not scalable."));
+  verticalCheckBox_->setToolTip(tr(
+    "Enable vertical rendering (only available\n"
+    "when source set to Text String)"));
+  kerningCheckBox_->setToolTip(tr(
+    "Enable kerning (GPOS table unsupported)"));
   helpButton_->setToolTip(tr("Get mouse helps"));
 
   // Layouting
@@ -478,19 +485,19 @@ ContinuousTab::createConnections()
   connect(sizeSelector_, &FontSizeSelector::valueChanged,
           this, &ContinuousTab::reloadGlyphsAndRepaint);
 
-  connect(canvas_, &GlyphContinuous::wheelResize, 
+  connect(canvas_, &GlyphContinuous::wheelResize,
           this, &ContinuousTab::wheelResize);
-  connect(canvas_, &GlyphContinuous::wheelNavigate, 
+  connect(canvas_, &GlyphContinuous::wheelNavigate,
           this, &ContinuousTab::wheelNavigate);
-  connect(canvas_, &GlyphContinuous::wheelZoom, 
+  connect(canvas_, &GlyphContinuous::wheelZoom,
           this, &ContinuousTab::wheelZoom);
-  connect(canvas_, &GlyphContinuous::displayingCountUpdated, 
+  connect(canvas_, &GlyphContinuous::displayingCountUpdated,
           indexSelector_, &GlyphIndexSelector::setShowingCount);
-  connect(canvas_, &GlyphContinuous::rightClickGlyph, 
+  connect(canvas_, &GlyphContinuous::rightClickGlyph,
           this, &ContinuousTab::switchToSingular);
-  connect(canvas_, &GlyphContinuous::beginIndexChangeRequest, 
+  connect(canvas_, &GlyphContinuous::beginIndexChangeRequest,
           this, &ContinuousTab::setGlyphBeginindex);
-  connect(canvas_, &GlyphContinuous::updateGlyphDetails, 
+  connect(canvas_, &GlyphContinuous::updateGlyphDetails,
           this, &ContinuousTab::updateGlyphDetails);
 
   connect(indexSelector_, &GlyphIndexSelector::currentIndexChanged,
@@ -514,19 +521,19 @@ ContinuousTab::createConnections()
   connect(wfConfigDialog_, &WaterfallConfigDialog::sizeUpdated,
           this, &ContinuousTab::repaintGlyph);
 
-  connect(xEmboldeningSpinBox_, 
+  connect(xEmboldeningSpinBox_,
           QOverload<double>::of(&QDoubleSpinBox::valueChanged),
           this, &ContinuousTab::repaintGlyph);
-  connect(yEmboldeningSpinBox_, 
+  connect(yEmboldeningSpinBox_,
           QOverload<double>::of(&QDoubleSpinBox::valueChanged),
           this, &ContinuousTab::repaintGlyph);
-  connect(slantSpinBox_, 
+  connect(slantSpinBox_,
           QOverload<double>::of(&QDoubleSpinBox::valueChanged),
           this, &ContinuousTab::repaintGlyph);
-  connect(strokeRadiusSpinBox_, 
+  connect(strokeRadiusSpinBox_,
           QOverload<double>::of(&QDoubleSpinBox::valueChanged),
           this, &ContinuousTab::repaintGlyph);
-  connect(rotationSpinBox_, 
+  connect(rotationSpinBox_,
           QOverload<double>::of(&QDoubleSpinBox::valueChanged),
           this, &ContinuousTab::repaintGlyph);
 
@@ -538,7 +545,7 @@ ContinuousTab::createConnections()
           this, &ContinuousTab::reloadGlyphsAndRepaint);
   connect(sourceTextEdit_, &QPlainTextEdit::textChanged,
           this, &ContinuousTab::sourceTextChanged);
-  connect(sampleStringSelector_, 
+  connect(sampleStringSelector_,
           QOverload<int>::of(&QComboBox::currentIndexChanged),
           this, &ContinuousTab::presetStringSelected);
 
@@ -562,13 +569,20 @@ ContinuousTab::setDefaults()
   canvas_->setSource(GlyphContinuous::SRC_AllGlyphs);
 
   sampleStringSelector_->addItem(tr("<Sample>"));
-  sampleStringSelector_->addItem(tr("English"),  QString(StringSamples[0]));
-  sampleStringSelector_->addItem(tr("Latin"),    QString(StringSamples[1]));
-  sampleStringSelector_->addItem(tr("Greek"),    QString(StringSamples[2]));
-  sampleStringSelector_->addItem(tr("Cyrillic"), QString(StringSamples[3]));
-  sampleStringSelector_->addItem(tr("Chinese"),  QString(StringSamples[4]));
-  sampleStringSelector_->addItem(tr("Japanese"), QString(StringSamples[5]));
-  sampleStringSelector_->addItem(tr("Korean"),   QString(StringSamples[6]));
+  sampleStringSelector_->addItem(tr("English"),
+                                 QString(StringSamples[0]));
+  sampleStringSelector_->addItem(tr("Latin"),
+                                 QString(StringSamples[1]));
+  sampleStringSelector_->addItem(tr("Greek"),
+                                 QString(StringSamples[2]));
+  sampleStringSelector_->addItem(tr("Cyrillic"),
+                                 QString(StringSamples[3]));
+  sampleStringSelector_->addItem(tr("Chinese"),
+                                 QString(StringSamples[4]));
+  sampleStringSelector_->addItem(tr("Japanese"),
+                                 QString(StringSamples[5]));
+  sampleStringSelector_->addItem(tr("Korean"),
+                                 QString(StringSamples[6]));
 }
 
 
@@ -576,7 +590,7 @@ QString
 ContinuousTab::formatIndex(int index)
 {
   auto idx = charMapSelector_->currentCharMapIndex();
-  if (idx < 0) // glyph order
+  if (idx < 0) // Glyph order.
     return QString::number(index);
   return charMapSelector_->charMaps()[idx].stringifyIndexShort(index);
 }
@@ -635,8 +649,8 @@ WaterfallConfigDialog::createLayout()
 
   // Tooltips
   autoBox_->setToolTip(tr(
-    "Use the default value which will try to start from near zero and place "
-    "in the middle of the screen the size selected in the selector."));
+    "Use the default value which will try to start from near zero and place"
+    " in the middle of the screen the size selected in the selector."));
   startSpinBox_->setToolTip(tr("Start size, will be always guaranteed."));
   endSpinBox_->setToolTip(tr(
     "End size, may not be guaranteed due to rounding and precision issues."));
@@ -656,10 +670,10 @@ WaterfallConfigDialog::createConnections()
 {
   connect(autoBox_, &QCheckBox::clicked,
           this, &WaterfallConfigDialog::checkAutoStatus);
-  connect(startSpinBox_, 
+  connect(startSpinBox_,
           QOverload<double>::of(&QDoubleSpinBox::valueChanged),
           this, &WaterfallConfigDialog::sizeUpdated);
-  connect(endSpinBox_, 
+  connect(endSpinBox_,
           QOverload<double>::of(&QDoubleSpinBox::valueChanged),
           this, &WaterfallConfigDialog::sizeUpdated);
 }
@@ -680,15 +694,15 @@ const char* StringSamples[] = {
 
   /* Luís argüia à Júlia que «brações, fé, chá, óxido, pôr, zângão» */
   /* eram palavras do português */
-  "Lu\u00EDs arg\u00FCia \u00E0 J\u00FAlia que \u00ABbra\u00E7\u00F5es, "
-  "f\u00E9, ch\u00E1, \u00F3xido, p\u00F4r, z\u00E2ng\u00E3o\u00BB eram "
-  "palavras do portugu\u00EAs",
+  "Lu\u00EDs arg\u00FCia \u00E0 J\u00FAlia que \u00ABbra\u00E7\u00F5es,"
+  " f\u00E9, ch\u00E1, \u00F3xido, p\u00F4r, z\u00E2ng\u00E3o\u00BB eram"
+  " palavras do portugu\u00EAs",
 
   /* Ο καλύμνιος σφουγγαράς ψιθύρισε πως θα βουτήξει χωρίς να διστάζει */
   "\u039F \u03BA\u03B1\u03BB\u03CD\u03BC\u03BD\u03B9\u03BF\u03C2 \u03C3"
   "\u03C6\u03BF\u03C5\u03B3\u03B3\u03B1\u03C1\u03AC\u03C2 \u03C8\u03B9"
-  "\u03B8\u03CD\u03C1\u03B9\u03C3\u03B5 \u03C0\u03C9\u03C2 \u03B8\u03B1 "
-  "\u03B2\u03BF\u03C5\u03C4\u03AE\u03BE\u03B5\u03B9 \u03C7\u03C9\u03C1"
+  "\u03B8\u03CD\u03C1\u03B9\u03C3\u03B5 \u03C0\u03C9\u03C2 \u03B8\u03B1"
+  " \u03B2\u03BF\u03C5\u03C4\u03AE\u03BE\u03B5\u03B9 \u03C7\u03C9\u03C1"
   "\u03AF\u03C2 \u03BD\u03B1 \u03B4\u03B9\u03C3\u03C4\u03AC\u03B6\u03B5"
   "\u03B9",
 
@@ -696,8 +710,8 @@ const char* StringSamples[] = {
   "\u0421\u044A\u0435\u0448\u044C \u0435\u0449\u0451 \u044D\u0442\u0438"
   "\u0445 \u043C\u044F\u0433\u043A\u0438\u0445 \u0444\u0440\u0430\u043D"
   "\u0446\u0443\u0437\u0441\u043A\u0438\u0445 \u0431\u0443\u043B\u043E"
-  "\u043A \u0434\u0430 \u0432\u044B\u043F\u0435\u0439 \u0436\u0435 "
-  "\u0447\u0430\u044E",
+  "\u043A \u0434\u0430 \u0432\u044B\u043F\u0435\u0439 \u0436\u0435"
+  " \u0447\u0430\u044E",
 
   /* 天地玄黃,宇宙洪荒。日月盈昃,辰宿列張。寒來暑往,秋收冬藏。*/
   "\u5929\u5730\u7384\u9EC3\uFF0C\u5B87\u5B99\u6D2A\u8352\u3002\u65E5"
diff --git a/src/ftinspect/panels/continuous.hpp 
b/src/ftinspect/panels/continuous.hpp
index 2daaa9f..5fd43d9 100644
--- a/src/ftinspect/panels/continuous.hpp
+++ b/src/ftinspect/panels/continuous.hpp
@@ -5,35 +5,42 @@
 #pragma once
 
 #include "abstracttab.hpp"
+#include "../engine/engine.hpp"
+#include "../glyphcomponents/glyphcontinuous.hpp"
+#include "../glyphcomponents/graphicsdefault.hpp"
+#include "../widgets/charmapcombobox.hpp"
 #include "../widgets/customwidgets.hpp"
-#include "../widgets/glyphindexselector.hpp"
 #include "../widgets/fontsizeselector.hpp"
-#include "../widgets/charmapcombobox.hpp"
-#include "../glyphcomponents/graphicsdefault.hpp"
-#include "../glyphcomponents/glyphcontinuous.hpp"
-#include "../engine/engine.hpp"
+#include "../widgets/glyphindexselector.hpp"
 
 #include <vector>
-#include <QWidget>
+
+#include <QBoxLayout>
+#include <QCheckBox>
+#include <QComboBox>
 #include <QDialog>
+#include <QDockWidget>
 #include <QFrame>
-#include <QLabel>
-#include <QComboBox>
 #include <QGridLayout>
-#include <QBoxLayout>
+#include <QLabel>
 #include <QPlainTextEdit>
-#include <QDockWidget>
-#include <QCheckBox>
+#include <QWidget>
+
 
 class GlyphDetails;
 class WaterfallConfigDialog;
+
 class ContinuousTab
-: public QWidget, public AbstractTab
+: public QWidget,
+  public AbstractTab
 {
   Q_OBJECT
+
 public:
-  ContinuousTab(QWidget* parent, Engine* engine,
-                QDockWidget* gdWidget, GlyphDetails* glyphDetails);
+  ContinuousTab(QWidget* parent,
+                Engine* engine,
+                QDockWidget* gdWidget,
+                GlyphDetails* glyphDetails);
   ~ContinuousTab() override = default;
 
   void repaintGlyph() override;
@@ -42,12 +49,14 @@ public:
   void applySettings();
 
 signals:
-  // if sizePoint <= 0, then don't change size.
-  void switchToSingular(int glyphIndex, double sizePoint);
+  // Don't change size if `sizePoint` <= 0.
+  void switchToSingular(int glyphIndex,
+                        double sizePoint);
 
 protected:
-  bool eventFilter(QObject* watched, QEvent* event) override;
-  
+  bool eventFilter(QObject* watched,
+                   QEvent* event) override;
+
 private:
   Engine* engine_;
 
@@ -89,7 +98,7 @@ private:
 
   GlyphIndexSelector* indexSelector_;
   QPlainTextEdit* sourceTextEdit_;
-  
+
   QHBoxLayout* canvasFrameLayout_;
   QHBoxLayout* sizeHelpLayout_;
   QGridLayout* bottomLayout_;
@@ -106,18 +115,18 @@ private:
   void updateLimitIndex();
   void checkModeSource();
 
-  // This doesn't trigger immediate repaint
+  // This doesn't trigger immediate repaint...
   void setGlyphCount(int count);
 
-  // But they do
+  // ... but these do.
   void setGlyphBeginindex(int index);
   void checkModeSourceAndRepaint();
   void charMapChanged();
   void sourceTextChanged();
   void presetStringSelected();
   void reloadGlyphsAndRepaint();
-  void updateGlyphDetails(GlyphCacheEntry* ctxt, 
-                          int charMapIndex, 
+  void updateGlyphDetails(GlyphCacheEntry* ctxt,
+                          int charMapIndex,
                           bool open);
   void openWaterfallConfig();
   void showToolTip();
diff --git a/src/ftinspect/panels/glyphdetails.cpp 
b/src/ftinspect/panels/glyphdetails.cpp
index fa595ee..2d82f62 100644
--- a/src/ftinspect/panels/glyphdetails.cpp
+++ b/src/ftinspect/panels/glyphdetails.cpp
@@ -3,11 +3,10 @@
 // Copyright (C) 2022 by Charlie Jiang.
 
 #include "glyphdetails.hpp"
-
+#include "../engine/engine.hpp"
 #include "../engine/stringrenderer.hpp"
 #include "../glyphcomponents/glyphcontinuous.hpp"
 #include "../uihelper.hpp"
-#include "../engine/engine.hpp"
 
 
 GlyphDetails::GlyphDetails(QWidget* parent,
@@ -26,14 +25,16 @@ GlyphDetails::~GlyphDetails()
 
 
 void
-GlyphDetails::updateGlyph(GlyphCacheEntry& ctxt, int charMapIndex)
+GlyphDetails::updateGlyph(GlyphCacheEntry& ctxt,
+                          int charMapIndex)
 {
   auto metrics = engine_->currentFontMetrics();
   auto& cMaps = engine_->currentFontCharMaps();
 
   glyphIndex_ = ctxt.glyphIndex;
   glyphIndexLabel_->setText(QString::number(ctxt.glyphIndex));
-  if (charMapIndex < 0 || static_cast<unsigned>(charMapIndex) >= cMaps.size())
+  if (charMapIndex < 0
+      || static_cast<unsigned>(charMapIndex) >= cMaps.size())
   {
     charCodePromptLabel_->setVisible(false);
     charCodeLabel_->setVisible(false);
@@ -43,21 +44,24 @@ GlyphDetails::updateGlyph(GlyphCacheEntry& ctxt, int 
charMapIndex)
     charCodePromptLabel_->setVisible(true);
     charCodeLabel_->setVisible(true);
     charCodeLabel_->setText(
-        cMaps[charMapIndex].stringifyIndexShort(ctxt.charCode));
+      cMaps[charMapIndex].stringifyIndexShort(ctxt.charCode));
   }
 
   auto glyphName = engine_->glyphName(ctxt.glyphIndex);
   if (glyphName.isEmpty())
     glyphName = "(none)";
   glyphNameLabel_->setText(glyphName);
-  
+
   auto rect = ctxt.basePosition.translated(-(ctxt.penPos.x()),
                                            -(ctxt.penPos.y()));
-  bitmapWidget_->updateImage(
-      ctxt.image, rect,
-      QRect(0, -metrics.y_ppem, metrics.y_ppem, metrics.y_ppem));
-
-  // load glyphs in all units
+  bitmapWidget_->updateImage(ctxt.image,
+                             rect,
+                             QRect(0,
+                                   -metrics.y_ppem,
+                                   metrics.y_ppem,
+                                   metrics.y_ppem));
+
+  // Load glyphs in all units.
   dpi_ = engine_->dpi();
   engine_->reloadFont();
 
@@ -140,22 +144,22 @@ GlyphDetails::createLayout()
 
   // Tooltips
   fontUnitButton_->setToolTip(tr("Unit for most metrics entries below"));
-  pointButton_   ->setToolTip(tr("Unit for most metrics entries below"));
-  pixelButton_   ->setToolTip(tr("Unit for most metrics entries below"));
-  bboxSizeLabel_->setToolTip(
-    tr("Glyph bounding box (in unit specified above)"));
-  horiBearingLabel_->setToolTip(
-    tr("Bearing for horizontal layout (in unit specified above)"));
-  horiAdvanceLabel_->setToolTip(
-    tr("Advance for horizontal layout (in unit specified above)"));
-  vertBearingLabel_->setToolTip(
-    tr("Bearing for vertical layout (in unit specified above)"));
-  vertAdvanceLabel_->setToolTip(
-    tr("Advance for vertical layout (in unit specified above)"));
-  inkSizeLabel_->setToolTip(
-    tr("The tightest bounding box size (always in pixels)"));
-  bitmapOffsetLabel_->setToolTip(
-    tr("Offset from the most top-left point to the bitmap (always in 
pixels)"));
+  pointButton_->setToolTip(tr("Unit for most metrics entries below"));
+  pixelButton_->setToolTip(tr("Unit for most metrics entries below"));
+  bboxSizeLabel_->setToolTip(tr(
+    "Glyph bounding box (in unit specified above)"));
+  horiBearingLabel_->setToolTip(tr(
+    "Bearing for horizontal layout (in unit specified above)"));
+  horiAdvanceLabel_->setToolTip(tr(
+    "Advance for horizontal layout (in unit specified above)"));
+  vertBearingLabel_->setToolTip(tr(
+    "Bearing for vertical layout (in unit specified above)"));
+  vertAdvanceLabel_->setToolTip(tr(
+    "Advance for vertical layout (in unit specified above)"));
+  inkSizeLabel_->setToolTip(tr(
+    "The tightest bounding box size (always in pixels)"));
+  bitmapOffsetLabel_->setToolTip(tr(
+    "Offset from the most top-left point to the bitmap (always in pixels)"));
   bitmapWidget_->setToolTip(tr("Bitmap preview"));
 
   // Layouting
@@ -169,11 +173,11 @@ GlyphDetails::createLayout()
   gridLayout2ColAddItem(layout_, new QSpacerItem(0, 18));
 
   gridLayout2ColAddWidget(layout_, glyphIndexPromptLabel_, glyphIndexLabel_);
-  gridLayout2ColAddWidget(layout_, charCodePromptLabel_  , charCodeLabel_  );
-  gridLayout2ColAddWidget(layout_, glyphNamePromptLabel_ , glyphNameLabel_ );
+  gridLayout2ColAddWidget(layout_, charCodePromptLabel_, charCodeLabel_);
+  gridLayout2ColAddWidget(layout_, glyphNamePromptLabel_, glyphNameLabel_);
   gridLayout2ColAddItem(layout_, new QSpacerItem(0, 18));
 
-  gridLayout2ColAddWidget(layout_, bboxSizePromptLabel_,    bboxSizeLabel_  );
+  gridLayout2ColAddWidget(layout_, bboxSizePromptLabel_, bboxSizeLabel_ );
   gridLayout2ColAddWidget(layout_, horiBearingPromptLabel_, horiBearingLabel_);
   gridLayout2ColAddWidget(layout_, horiAdvancePromptLabel_, horiAdvanceLabel_);
   gridLayout2ColAddWidget(layout_, vertBearingPromptLabel_, vertBearingLabel_);
@@ -181,7 +185,7 @@ GlyphDetails::createLayout()
   gridLayout2ColAddItem(layout_, new QSpacerItem(0, 18));
 
   gridLayout2ColAddWidget(layout_, inkSizePromptLabel_, inkSizeLabel_);
-  gridLayout2ColAddWidget(layout_, bitmapOffsetPromptLabel_, 
+  gridLayout2ColAddWidget(layout_, bitmapOffsetPromptLabel_,
                                    bitmapOffsetLabel_);
   gridLayout2ColAddItem(layout_, new QSpacerItem(0, 18));
 
@@ -242,7 +246,7 @@ GlyphDetails::changeUnit(int unitId)
     vertBearingY = pixelMetrics_.vertBearingY * 1.125 / dpi_;
     vertAdvance = pixelMetrics_.vertAdvance * 1.125 / dpi_;
     break;
-    
+
   case DU_Pixel:
     unitSuffix = " px";
     bboxW = pixelMetrics_.width/ 64.0;
diff --git a/src/ftinspect/panels/glyphdetails.hpp 
b/src/ftinspect/panels/glyphdetails.hpp
index 99b6139..c3474e7 100644
--- a/src/ftinspect/panels/glyphdetails.hpp
+++ b/src/ftinspect/panels/glyphdetails.hpp
@@ -6,25 +6,28 @@
 
 #include "../glyphcomponents/glyphbitmap.hpp"
 
-#include <QWidget>
-#include <QLabel>
-#include <QGridLayout>
 #include <QBoxLayout>
+#include <QButtonGroup>
+#include <QGridLayout>
 #include <QImage>
+#include <QLabel>
 #include <QRadioButton>
-#include <QButtonGroup>
+#include <QWidget>
 
 #include <freetype/freetype.h>
 
+
 struct GlyphCacheEntry;
 class Engine;
+
 class GlyphDetails
 : public QWidget
 {
   Q_OBJECT
 
 public:
-  GlyphDetails(QWidget* parent, Engine* engine);
+  GlyphDetails(QWidget* parent,
+               Engine* engine);
   ~GlyphDetails() override;
 
   void updateGlyph(GlyphCacheEntry& ctxt,
@@ -81,7 +84,8 @@ private:
   QGridLayout* layout_;
 
   int dpi_;
-  FT_Glyph_Metrics fontUnitMetrics_, pixelMetrics_;
+  FT_Glyph_Metrics fontUnitMetrics_;
+  FT_Glyph_Metrics pixelMetrics_;
 
   void createLayout();
   void createConnections();
diff --git a/src/ftinspect/panels/info.cpp b/src/ftinspect/panels/info.cpp
index 6c64465..ef9c778 100644
--- a/src/ftinspect/panels/info.cpp
+++ b/src/ftinspect/panels/info.cpp
@@ -3,23 +3,24 @@
 // Copyright (C) 2022 by Charlie Jiang.
 
 #include "info.hpp"
-
-#include "../uihelper.hpp"
 #include "../engine/engine.hpp"
+#include "../uihelper.hpp"
 
 #include <cstring>
-#include <QStringList>
+
 #include <QHeaderView>
+#include <QStringList>
 
 
-#define GL2CRow(l, w) gridLayout2ColAddWidget(l,                \
-                                              w##PromptLabel_,  \
+#define GL2CRow(l, w) gridLayout2ColAddWidget(l, \
+                                              w##PromptLabel_, \
                                               w##Label_)
 
 
 InfoTab::InfoTab(QWidget* parent,
                  Engine* engine)
-: QWidget(parent), engine_(engine)
+: QWidget(parent),
+  engine_(engine)
 {
   createLayout();
   createConnections();
@@ -73,7 +74,8 @@ InfoTab::createConnections()
 
 GeneralInfoTab::GeneralInfoTab(QWidget* parent,
                                Engine* engine)
-: QWidget(parent), engine_(engine)
+: QWidget(parent),
+  engine_(engine)
 {
   createLayout();
 }
@@ -83,27 +85,27 @@ void
 GeneralInfoTab::reloadFont()
 {
   auto basicInfo = FontBasicInfo::get(engine_);
-  // don't update when unnecessary
-  if (basicInfo != oldFontBasicInfo_) 
+  // Don't update if unnecessary.
+  if (basicInfo != oldFontBasicInfo_)
   {
     oldFontBasicInfo_ = basicInfo;
     if (basicInfo.numFaces < 0)
       numFacesLabel_->clear();
     else
       numFacesLabel_->setText(QString::number(basicInfo.numFaces));
-    
-          familyLabel_->setText(basicInfo.familyName);
-           styleLabel_->setText(basicInfo.styleName);
-      postscriptLabel_->setText(basicInfo.postscriptName);
-        revisionLabel_->setText(basicInfo.revision);
-       copyrightLabel_->setText(basicInfo.copyright);
-       trademarkLabel_->setText(basicInfo.trademark);
+
+    familyLabel_->setText(basicInfo.familyName);
+    styleLabel_->setText(basicInfo.styleName);
+    postscriptLabel_->setText(basicInfo.postscriptName);
+    revisionLabel_->setText(basicInfo.revision);
+    copyrightLabel_->setText(basicInfo.copyright);
+    trademarkLabel_->setText(basicInfo.trademark);
     manufacturerLabel_->setText(basicInfo.manufacturer);
-    
+
     createdLabel_->setText(
-        basicInfo.createdTime.toString("yyyy-MM-dd hh:mm:ss t"));
+      basicInfo.createdTime.toString("yyyy-MM-dd hh:mm:ss t"));
     modifiedLabel_->setText(
-        basicInfo.modifiedTime.toString("yyyy-MM-dd hh:mm:ss t"));
+      basicInfo.modifiedTime.toString("yyyy-MM-dd hh:mm:ss t"));
   }
 
   auto fontTypeEntries = FontTypeEntries::get(engine_);
@@ -114,12 +116,12 @@ GeneralInfoTab::reloadFont()
     QString directionText;
     // Don't want to do concat...
     if (fontTypeEntries.hasHorizontal && fontTypeEntries.hasVertical)
-      directionText = "honizontal, vertical";
+      directionText = "horizontal, vertical";
     else if (fontTypeEntries.hasHorizontal)
       directionText = "horizontal";
     else if (fontTypeEntries.hasVertical)
       directionText = "vertical";
-    
+
     QStringList types;
     if (fontTypeEntries.scalable)
       types += "scalable";
@@ -127,14 +129,14 @@ GeneralInfoTab::reloadFont()
       types += "multiple master";
     if (fontTypeEntries.fixedSizes)
       types += "fixed sizes";
-    
+
     driverNameLabel_->setText(fontTypeEntries.driverName);
-          sfntLabel_->setText(fontTypeEntries.sfnt ? "yes" : "no");
-      fontTypeLabel_->setText(types.join(", "));
-     directionLabel_->setText(directionText);
+    sfntLabel_->setText(fontTypeEntries.sfnt ? "yes" : "no");
+    fontTypeLabel_->setText(types.join(", "));
+    directionLabel_->setText(directionText);
     fixedWidthLabel_->setText(fontTypeEntries.fixedWidth ? "yes" : "no");
     glyphNamesLabel_->setText(fontTypeEntries.glyphNames ? "available"
-                                                           : "unavailable");
+                                                         : "unavailable");
 
     if (fontTypeEntries.scalable)
     {
@@ -167,7 +169,7 @@ GeneralInfoTab::reloadFont()
 
   fixedSizesTable_->setEnabled(fontTypeEntries.fixedSizes);
   bool reset
-    = FontFixedSize::get(engine_, 
+    = FontFixedSize::get(engine_,
                          fixedSizeInfoModel_->storage(),
                          [&] { fixedSizeInfoModel_->beginModelUpdate(); });
   if (reset)
@@ -185,112 +187,112 @@ GeneralInfoTab::reloadFont()
 void
 GeneralInfoTab::createLayout()
 {
-      numFacesPromptLabel_  = new QLabel(tr("Num of Faces:"), this);
-        familyPromptLabel_  = new QLabel(tr("Family Name:"), this);
-         stylePromptLabel_  = new QLabel(tr("Style Name:"), this);
-    postscriptPromptLabel_  = new QLabel(tr("PostScript Name:"), this);
-       createdPromptLabel_  = new QLabel(tr("Created at:"), this);
-      modifiedPromptLabel_  = new QLabel(tr("Modified at:"), this);
-      revisionPromptLabel_  = new QLabel(tr("Font Revision:"), this);
-     copyrightPromptLabel_  = new QLabel(tr("Copyright:"), this);
-     trademarkPromptLabel_  = new QLabel(tr("Trademark:"), this);
-  manufacturerPromptLabel_  = new QLabel(tr("Manufacturer:"), this);
-
-      numFacesLabel_ = new QLabel(this);
-        familyLabel_ = new QLabel(this);
-         styleLabel_ = new QLabel(this);
-    postscriptLabel_ = new QLabel(this);
-       createdLabel_ = new QLabel(this);
-      modifiedLabel_ = new QLabel(this);
-      revisionLabel_ = new QLabel(this);
-     copyrightLabel_ = new QLabel(this);
-     trademarkLabel_ = new QLabel(this);
+  numFacesPromptLabel_ = new QLabel(tr("Num of Faces:"), this);
+  familyPromptLabel_ = new QLabel(tr("Family Name:"), this);
+  stylePromptLabel_ = new QLabel(tr("Style Name:"), this);
+  postscriptPromptLabel_ = new QLabel(tr("PostScript Name:"), this);
+  createdPromptLabel_ = new QLabel(tr("Created at:"), this);
+  modifiedPromptLabel_ = new QLabel(tr("Modified at:"), this);
+  revisionPromptLabel_ = new QLabel(tr("Font Revision:"), this);
+  copyrightPromptLabel_ = new QLabel(tr("Copyright:"), this);
+  trademarkPromptLabel_ = new QLabel(tr("Trademark:"), this);
+  manufacturerPromptLabel_ = new QLabel(tr("Manufacturer:"), this);
+
+  numFacesLabel_ = new QLabel(this);
+  familyLabel_ = new QLabel(this);
+  styleLabel_ = new QLabel(this);
+  postscriptLabel_ = new QLabel(this);
+  createdLabel_ = new QLabel(this);
+  modifiedLabel_ = new QLabel(this);
+  revisionLabel_ = new QLabel(this);
+  copyrightLabel_ = new QLabel(this);
+  trademarkLabel_ = new QLabel(this);
   manufacturerLabel_ = new QLabel(this);
 
-  setLabelSelectable(    numFacesLabel_);
-  setLabelSelectable(      familyLabel_);
-  setLabelSelectable(       styleLabel_);
-  setLabelSelectable(  postscriptLabel_);
-  setLabelSelectable(     createdLabel_);
-  setLabelSelectable(    modifiedLabel_);
-  setLabelSelectable(    revisionLabel_);
-  setLabelSelectable(   copyrightLabel_);
-  setLabelSelectable(   trademarkLabel_);
+  setLabelSelectable(numFacesLabel_);
+  setLabelSelectable(familyLabel_);
+  setLabelSelectable(styleLabel_);
+  setLabelSelectable(postscriptLabel_);
+  setLabelSelectable(createdLabel_);
+  setLabelSelectable(modifiedLabel_);
+  setLabelSelectable(revisionLabel_);
+  setLabelSelectable(copyrightLabel_);
+  setLabelSelectable(trademarkLabel_);
   setLabelSelectable(manufacturerLabel_);
 
-     copyrightLabel_->setWordWrap(true);
-     trademarkLabel_->setWordWrap(true);
+  copyrightLabel_->setWordWrap(true);
+  trademarkLabel_->setWordWrap(true);
   manufacturerLabel_->setWordWrap(true);
 
   driverNamePromptLabel_ = new QLabel(tr("Driver:"), this);
-        sfntPromptLabel_ = new QLabel(tr("SFNT Wrapped:"), this);
-    fontTypePromptLabel_ = new QLabel(tr("Type:"), this);
-   directionPromptLabel_ = new QLabel(tr("Direction:"), this);
+  sfntPromptLabel_ = new QLabel(tr("SFNT Wrapped:"), this);
+  fontTypePromptLabel_ = new QLabel(tr("Type:"), this);
+  directionPromptLabel_ = new QLabel(tr("Direction:"), this);
   fixedWidthPromptLabel_ = new QLabel(tr("Fixed Width:"), this);
   glyphNamesPromptLabel_ = new QLabel(tr("Glyph Names:"), this);
 
   driverNameLabel_ = new QLabel(this);
-        sfntLabel_ = new QLabel(this);
-    fontTypeLabel_ = new QLabel(this);
-   directionLabel_ = new QLabel(this);
+  sfntLabel_ = new QLabel(this);
+  fontTypeLabel_ = new QLabel(this);
+  directionLabel_ = new QLabel(this);
   fixedWidthLabel_ = new QLabel(this);
   glyphNamesLabel_ = new QLabel(this);
 
   setLabelSelectable(driverNameLabel_);
-  setLabelSelectable(      sfntLabel_);
-  setLabelSelectable(  fontTypeLabel_);
-  setLabelSelectable( directionLabel_);
+  setLabelSelectable(sfntLabel_);
+  setLabelSelectable(fontTypeLabel_);
+  setLabelSelectable(directionLabel_);
   setLabelSelectable(fixedWidthLabel_);
   setLabelSelectable(glyphNamesLabel_);
 
-            emSizePromptLabel_ = new QLabel(tr("EM Size:"), this);
-              bboxPromptLabel_ = new QLabel(tr("Global BBox:"), this);
-          ascenderPromptLabel_ = new QLabel(tr("Ascender:"), this);
-         descenderPromptLabel_ = new QLabel(tr("Descender:"), this);
-   maxAdvanceWidthPromptLabel_ = new QLabel(tr("Max Advance Width:"), this);
+  emSizePromptLabel_ = new QLabel(tr("EM Size:"), this);
+  bboxPromptLabel_ = new QLabel(tr("Global BBox:"), this);
+  ascenderPromptLabel_ = new QLabel(tr("Ascender:"), this);
+  descenderPromptLabel_ = new QLabel(tr("Descender:"), this);
+  maxAdvanceWidthPromptLabel_ = new QLabel(tr("Max Advance Width:"), this);
   maxAdvanceHeightPromptLabel_ = new QLabel(tr("Max Advance Height:"), this);
-             ulPosPromptLabel_ = new QLabel(tr("Underline Position:"), this);
-       ulThicknessPromptLabel_ = new QLabel(tr("Underline Thickness:"), this);
-
-            emSizeLabel_ = new QLabel(this);
-              bboxLabel_ = new QLabel(this);
-          ascenderLabel_ = new QLabel(this);
-         descenderLabel_ = new QLabel(this);
-   maxAdvanceWidthLabel_ = new QLabel(this);
+  ulPosPromptLabel_ = new QLabel(tr("Underline Position:"), this);
+  ulThicknessPromptLabel_ = new QLabel(tr("Underline Thickness:"), this);
+
+  emSizeLabel_ = new QLabel(this);
+  bboxLabel_ = new QLabel(this);
+  ascenderLabel_ = new QLabel(this);
+  descenderLabel_ = new QLabel(this);
+  maxAdvanceWidthLabel_ = new QLabel(this);
   maxAdvanceHeightLabel_ = new QLabel(this);
-             ulPosLabel_ = new QLabel(this);
-       ulThicknessLabel_ = new QLabel(this);
-
-  setLabelSelectable(          emSizeLabel_);
-  setLabelSelectable(            bboxLabel_);
-  setLabelSelectable(        ascenderLabel_);
-  setLabelSelectable(       descenderLabel_);
-  setLabelSelectable( maxAdvanceWidthLabel_);
+  ulPosLabel_ = new QLabel(this);
+  ulThicknessLabel_ = new QLabel(this);
+
+  setLabelSelectable(emSizeLabel_);
+  setLabelSelectable(bboxLabel_);
+  setLabelSelectable(ascenderLabel_);
+  setLabelSelectable(descenderLabel_);
+  setLabelSelectable(maxAdvanceWidthLabel_);
   setLabelSelectable(maxAdvanceHeightLabel_);
-  setLabelSelectable(           ulPosLabel_);
-  setLabelSelectable(     ulThicknessLabel_);
-
-  scalableOnlyLabels_.push_back(          emSizePromptLabel_);
-  scalableOnlyLabels_.push_back(            bboxPromptLabel_);
-  scalableOnlyLabels_.push_back(        ascenderPromptLabel_);
-  scalableOnlyLabels_.push_back(       descenderPromptLabel_);
-  scalableOnlyLabels_.push_back( maxAdvanceWidthPromptLabel_);
+  setLabelSelectable(ulPosLabel_);
+  setLabelSelectable(ulThicknessLabel_);
+
+  scalableOnlyLabels_.push_back(emSizePromptLabel_);
+  scalableOnlyLabels_.push_back(bboxPromptLabel_);
+  scalableOnlyLabels_.push_back(ascenderPromptLabel_);
+  scalableOnlyLabels_.push_back(descenderPromptLabel_);
+  scalableOnlyLabels_.push_back(maxAdvanceWidthPromptLabel_);
   scalableOnlyLabels_.push_back(maxAdvanceHeightPromptLabel_);
-  scalableOnlyLabels_.push_back(           ulPosPromptLabel_);
-  scalableOnlyLabels_.push_back(     ulThicknessPromptLabel_);
-  scalableOnlyLabels_.push_back(          emSizeLabel_);
-  scalableOnlyLabels_.push_back(            bboxLabel_);
-  scalableOnlyLabels_.push_back(        ascenderLabel_);
-  scalableOnlyLabels_.push_back(       descenderLabel_);
-  scalableOnlyLabels_.push_back( maxAdvanceWidthLabel_);
+  scalableOnlyLabels_.push_back(ulPosPromptLabel_);
+  scalableOnlyLabels_.push_back(ulThicknessPromptLabel_);
+  scalableOnlyLabels_.push_back(emSizeLabel_);
+  scalableOnlyLabels_.push_back(bboxLabel_);
+  scalableOnlyLabels_.push_back(ascenderLabel_);
+  scalableOnlyLabels_.push_back(descenderLabel_);
+  scalableOnlyLabels_.push_back(maxAdvanceWidthLabel_);
   scalableOnlyLabels_.push_back(maxAdvanceHeightLabel_);
-  scalableOnlyLabels_.push_back(           ulPosLabel_);
-  scalableOnlyLabels_.push_back(     ulThicknessLabel_);
+  scalableOnlyLabels_.push_back(ulPosLabel_);
+  scalableOnlyLabels_.push_back(ulThicknessLabel_);
 
-        basicGroupBox_ = new QGroupBox(tr("Basic"), this);
+  basicGroupBox_ = new QGroupBox(tr("Basic"), this);
   typeEntriesGroupBox_ = new QGroupBox(tr("Type Entries"), this);
-      charMapGroupBox_ = new QGroupBox(tr("CharMaps"), this);
-  fixedSizesGroupBox_  = new QGroupBox(tr("Fixed Sizes"), this);
+  charMapGroupBox_ = new QGroupBox(tr("CharMaps"), this);
+  fixedSizesGroupBox_ = new QGroupBox(tr("Fixed Sizes"), this);
 
   charMapsTable_ = new QTableView(this);
   fixedSizesTable_ = new QTableView(this);
@@ -298,7 +300,7 @@ GeneralInfoTab::createLayout()
   charMapInfoModel_ = new CharMapInfoModel(this);
   charMapsTable_->setModel(charMapInfoModel_);
   auto header = charMapsTable_->verticalHeader();
-  // This will force the minimal size to be used
+  // This forces the minimum size to be used.
   header->setDefaultSectionSize(0);
   header->setSectionResizeMode(QHeaderView::Fixed);
 
@@ -312,53 +314,54 @@ GeneralInfoTab::createLayout()
   leftScrollArea_ = new UnboundScrollArea(this);
   leftScrollArea_->setWidgetResizable(true);
   leftScrollArea_->setWidget(leftWidget_);
-  leftScrollArea_->setStyleSheet("QScrollArea 
{background-color:transparent;}");
+  leftScrollArea_->setStyleSheet(
+                     "QScrollArea {background-color:transparent;}");
   leftWidget_->setStyleSheet("background-color:transparent;");
 
-  basicLayout_       = new QGridLayout;
+  basicLayout_ = new QGridLayout;
   typeEntriesLayout_ = new QGridLayout;
-  charMapLayout_     = new QHBoxLayout;
-  fixedSizesLayout_  = new QHBoxLayout;
+  charMapLayout_ = new QHBoxLayout;
+  fixedSizesLayout_ = new QHBoxLayout;
 
 #define BasicRow(w) GL2CRow(basicLayout_, w)
 #define FTERow(w) GL2CRow(typeEntriesLayout_, w)
 
-  BasicRow(    numFaces);
-  BasicRow(      family);
-  BasicRow(       style);
-  BasicRow(  postscript);
-  BasicRow(     created);
-  BasicRow(    modified);
-  BasicRow(    revision);
-  BasicRow(   copyright);
-  BasicRow(   trademark);
+  BasicRow(numFaces);
+  BasicRow(family);
+  BasicRow(style);
+  BasicRow(postscript);
+  BasicRow(created);
+  BasicRow(modified);
+  BasicRow(revision);
+  BasicRow(copyright);
+  BasicRow(trademark);
   BasicRow(manufacturer);
 
-  FTERow(      driverName);
-  FTERow(            sfnt);
-  FTERow(        fontType);
-  FTERow(       direction);
-  FTERow(      fixedWidth);
-  FTERow(      glyphNames);
-  FTERow(          emSize);
-  FTERow(            bbox);
-  FTERow(        ascender);
-  FTERow(       descender);
-  FTERow( maxAdvanceWidth);
+  FTERow(driverName);
+  FTERow(sfnt);
+  FTERow(fontType);
+  FTERow(direction);
+  FTERow(fixedWidth);
+  FTERow(glyphNames);
+  FTERow(emSize);
+  FTERow(bbox);
+  FTERow(ascender);
+  FTERow(descender);
+  FTERow(maxAdvanceWidth);
   FTERow(maxAdvanceHeight);
-  FTERow(           ulPos);
-  FTERow(     ulThickness);
+  FTERow(ulPos);
+  FTERow(ulThickness);
 
-        basicLayout_->setColumnStretch(1, 1);      
+  basicLayout_->setColumnStretch(1, 1);
   typeEntriesLayout_->setColumnStretch(1, 1);
 
   charMapLayout_->addWidget(charMapsTable_);
   fixedSizesLayout_->addWidget(fixedSizesTable_);
 
-        basicGroupBox_ ->setLayout(basicLayout_      );
+  basicGroupBox_ ->setLayout(basicLayout_);
   typeEntriesGroupBox_ ->setLayout(typeEntriesLayout_);
-      charMapGroupBox_ ->setLayout(charMapLayout_    );
-  fixedSizesGroupBox_  ->setLayout(fixedSizesLayout_ );
+  charMapGroupBox_ ->setLayout(charMapLayout_);
+  fixedSizesGroupBox_ ->setLayout(fixedSizesLayout_);
 
   leftLayout_ = new QVBoxLayout;
   rightLayout_ = new QVBoxLayout;
@@ -366,8 +369,8 @@ GeneralInfoTab::createLayout()
 
   leftLayout_->addWidget(basicGroupBox_);
   leftLayout_->addWidget(typeEntriesGroupBox_);
-  leftLayout_->addSpacerItem(new QSpacerItem(0, 0, 
-                                             QSizePolicy::Preferred, 
+  leftLayout_->addSpacerItem(new QSpacerItem(0, 0,
+                                             QSizePolicy::Preferred,
                                              QSizePolicy::Expanding));
 
   leftWidget_->setLayout(leftLayout_);
@@ -424,7 +427,8 @@ StringViewDialog::createLayout()
 
 SFNTInfoTab::SFNTInfoTab(QWidget* parent,
                          Engine* engine)
-: QWidget(parent), engine_(engine)
+: QWidget(parent),
+  engine_(engine)
 {
   createLayout();
   createConnections();
@@ -466,7 +470,7 @@ SFNTInfoTab::createLayout()
   sfntNamesModel_ = new SFNTNameModel(this);
   sfntNamesTable_->setModel(sfntNamesModel_);
   auto header = sfntNamesTable_->verticalHeader();
-  // This will force the minimal size to be used
+  // This forces the minimum size to be used.
   header->setDefaultSectionSize(0);
   header->setSectionResizeMode(QHeaderView::Fixed);
   sfntNamesTable_->horizontalHeader()->setStretchLastSection(true);
@@ -474,7 +478,7 @@ SFNTInfoTab::createLayout()
   sfntTablesModel_ = new SFNTTableInfoModel(this);
   sfntTablesTable_->setModel(sfntTablesModel_);
   header = sfntTablesTable_->verticalHeader();
-  // This will force the minimal size to be used
+  // This forces the minimum size to be used.
   header->setDefaultSectionSize(0);
   header->setSectionResizeMode(QHeaderView::Fixed);
   sfntTablesTable_->horizontalHeader()->setStretchLastSection(true);
@@ -524,7 +528,8 @@ SFNTInfoTab::nameTableDoubleClicked(QModelIndex const& 
index)
 
 PostScriptInfoTab::PostScriptInfoTab(QWidget* parent,
                                      Engine* engine)
-: QWidget(parent), engine_(engine)
+: QWidget(parent),
+  engine_(engine)
 {
   std::memset(&oldFontPrivate_, 0, sizeof(PS_PrivateRec));
   createLayout();
@@ -532,7 +537,8 @@ PostScriptInfoTab::PostScriptInfoTab(QWidget* parent,
 
 
 template<class T>
-QString genArrayString(T* arr, size_t size)
+QString genArrayString(T* arr,
+                       size_t size)
 {
   // TODO: optimize
   QString result = "[";
@@ -563,31 +569,31 @@ PostScriptInfoTab::reloadFont()
   infoGroupBox_->setEnabled(hasInfo);
   if (hasInfo)
   {
-        versionLabel_->setText(QString::fromUtf8(fontInfo.version));
-         noticeLabel_->setText(QString::fromUtf8(fontInfo.notice));
-       fullNameLabel_->setText(QString::fromUtf8(fontInfo.full_name));
-     familyNameLabel_->setText(QString::fromUtf8(fontInfo.family_name));
-         weightLabel_->setText(QString::fromUtf8(fontInfo.weight));
+    versionLabel_->setText(QString::fromUtf8(fontInfo.version));
+    noticeLabel_->setText(QString::fromUtf8(fontInfo.notice));
+    fullNameLabel_->setText(QString::fromUtf8(fontInfo.full_name));
+    familyNameLabel_->setText(QString::fromUtf8(fontInfo.family_name));
+    weightLabel_->setText(QString::fromUtf8(fontInfo.weight));
     italicAngleLabel_->setText(QString::number(fontInfo.italic_angle));
-     fixedPitchLabel_->setText(fontInfo.is_fixed_pitch ? "yes" : "no");
-          ulPosLabel_->setText(QString::number(fontInfo.underline_position));
+    fixedPitchLabel_->setText(fontInfo.is_fixed_pitch ? "yes" : "no");
+    ulPosLabel_->setText(QString::number(fontInfo.underline_position));
     ulThicknessLabel_->setText(QString::number(fontInfo.underline_thickness));
   }
   else
   {
-        versionLabel_->clear();
-         noticeLabel_->clear();
-       fullNameLabel_->clear();
-     familyNameLabel_->clear();
-         weightLabel_->clear();
+    versionLabel_->clear();
+    noticeLabel_->clear();
+    fullNameLabel_->clear();
+    familyNameLabel_->clear();
+    weightLabel_->clear();
     italicAngleLabel_->clear();
-     fixedPitchLabel_->clear();
-          ulPosLabel_->clear();
+    fixedPitchLabel_->clear();
+    ulPosLabel_->clear();
     ulThicknessLabel_->clear();
   }
 
   PS_PrivateRec fontPrivate;
-  // Don't do zero-initialization since we need to zero out paddings
+  // Don't do zero-initialization since we need to zero out paddings.
   std::memset(&fontPrivate, 0, sizeof(PS_PrivateRec));
   hasInfo = engine_->currentFontPSPrivateInfo(fontPrivate);
   privateGroupBox_->setEnabled(hasInfo);
@@ -596,35 +602,42 @@ PostScriptInfoTab::reloadFont()
     if (std::memcmp(&fontPrivate, &oldFontPrivate_, sizeof(PS_PrivateRec)))
     {
       std::memcpy(&oldFontPrivate_, &fontPrivate, sizeof(PS_PrivateRec));
-      
+
       uniqueIDLabel_->setText(QString::number(fontPrivate.unique_id));
       blueShiftLabel_->setText(QString::number(fontPrivate.blue_shift));
       blueFuzzLabel_->setText(QString::number(fontPrivate.blue_fuzz));
       forceBoldLabel_->setText(fontPrivate.force_bold ? "true" : "false");
-      
languageGroupLabel_->setText(QString::number(fontPrivate.language_group));
+      languageGroupLabel_->setText(
+                             QString::number(fontPrivate.language_group));
       passwordLabel_->setText(QString::number(fontPrivate.password));
       lenIVLabel_->setText(QString::number(fontPrivate.lenIV));
-      roundStemUpLabel_->setText(fontPrivate.round_stem_up ? "true" : "false");
+      roundStemUpLabel_->setText(fontPrivate.round_stem_up ? "true"
+                                                           : "false");
 
       familyBluesLabel_->setText(
-        genArrayString(fontPrivate.family_blues, 
fontPrivate.num_family_blues));
+        genArrayString(fontPrivate.family_blues,
+                       fontPrivate.num_family_blues));
       blueValuesLabel_->setText(
-        genArrayString(fontPrivate.blue_values, fontPrivate.num_blue_values));
+        genArrayString(fontPrivate.blue_values,
+                       fontPrivate.num_blue_values));
       otherBluesLabel_->setText(
-        genArrayString(fontPrivate.other_blues, fontPrivate.num_other_blues));
+        genArrayString(fontPrivate.other_blues,
+                       fontPrivate.num_other_blues));
       familyOtherBluesLabel_->setText(
         genArrayString(fontPrivate.family_other_blues,
-        fontPrivate.num_family_other_blues));
+                       fontPrivate.num_family_other_blues));
       stdWidthsLabel_->setText(
         genArrayString(fontPrivate.standard_width,
                        arraySize(fontPrivate.standard_width)));
       stdHeightsLabel_->setText(
-        genArrayString(fontPrivate.standard_height, 
+        genArrayString(fontPrivate.standard_height,
                        arraySize(fontPrivate.standard_height)));
       snapWidthsLabel_->setText(
-        genArrayString(fontPrivate.snap_widths, fontPrivate.num_snap_widths));
+        genArrayString(fontPrivate.snap_widths,
+                       fontPrivate.num_snap_widths));
       snapHeightsLabel_->setText(
-        genArrayString(fontPrivate.snap_heights, 
fontPrivate.num_snap_heights));
+        genArrayString(fontPrivate.snap_heights,
+                       fontPrivate.num_snap_heights));
       minFeatureLabel_->setText(
         genArrayString(fontPrivate.min_feature,
                        arraySize(fontPrivate.min_feature)));
@@ -638,25 +651,26 @@ PostScriptInfoTab::reloadFont()
   else
   {
     std::memset(&oldFontPrivate_, 0, sizeof(PS_PrivateRec));
-            uniqueIDLabel_->clear();
-          blueValuesLabel_->clear();
-          otherBluesLabel_->clear();
-         familyBluesLabel_->clear();
+
+    uniqueIDLabel_->clear();
+    blueValuesLabel_->clear();
+    otherBluesLabel_->clear();
+    familyBluesLabel_->clear();
     familyOtherBluesLabel_->clear();
-           blueScaleLabel_->clear();
-           blueShiftLabel_->clear();
-            blueFuzzLabel_->clear();
-           stdWidthsLabel_->clear();
-          stdHeightsLabel_->clear();
-          snapWidthsLabel_->clear();
-         snapHeightsLabel_->clear();
-           forceBoldLabel_->clear();
-       languageGroupLabel_->clear();
-            passwordLabel_->clear();
-               lenIVLabel_->clear();
-          minFeatureLabel_->clear();
-         roundStemUpLabel_->clear();
-     expansionFactorLabel_->clear();
+    blueScaleLabel_->clear();
+    blueShiftLabel_->clear();
+    blueFuzzLabel_->clear();
+    stdWidthsLabel_->clear();
+    stdHeightsLabel_->clear();
+    snapWidthsLabel_->clear();
+    snapHeightsLabel_->clear();
+    forceBoldLabel_->clear();
+    languageGroupLabel_->clear();
+    passwordLabel_->clear();
+    lenIVLabel_->clear();
+    minFeatureLabel_->clear();
+    roundStemUpLabel_->clear();
+    expansionFactorLabel_->clear();
   }
 }
 
@@ -664,95 +678,95 @@ PostScriptInfoTab::reloadFont()
 void
 PostScriptInfoTab::createLayout()
 {
-      versionPromptLabel_  = new QLabel(tr("/version:"), this);
-       noticePromptLabel_  = new QLabel(tr("/Notice:"), this);
-     fullNamePromptLabel_  = new QLabel(tr("/FullName:"), this);
-   familyNamePromptLabel_  = new QLabel(tr("/FamilyName:"), this);
-       weightPromptLabel_  = new QLabel(tr("/Weight:"), this);
-  italicAnglePromptLabel_  = new QLabel(tr("/ItaticAngle:"), this);
-   fixedPitchPromptLabel_  = new QLabel(tr("/isFixedPitch:"), this);
-        ulPosPromptLabel_  = new QLabel(tr("/UnderlinePosition:"), this);
-  ulThicknessPromptLabel_  = new QLabel(tr("/UnderlineThickness:"), this);
-
-      versionLabel_ = new QLabel(this);
-       noticeLabel_ = new QLabel(this);
-     fullNameLabel_ = new QLabel(this);
-   familyNameLabel_ = new QLabel(this);
-       weightLabel_ = new QLabel(this);
+  versionPromptLabel_ = new QLabel(tr("/version:"), this);
+  noticePromptLabel_ = new QLabel(tr("/Notice:"), this);
+  fullNamePromptLabel_ = new QLabel(tr("/FullName:"), this);
+  familyNamePromptLabel_ = new QLabel(tr("/FamilyName:"), this);
+  weightPromptLabel_ = new QLabel(tr("/Weight:"), this);
+  italicAnglePromptLabel_ = new QLabel(tr("/ItaticAngle:"), this);
+  fixedPitchPromptLabel_ = new QLabel(tr("/isFixedPitch:"), this);
+  ulPosPromptLabel_ = new QLabel(tr("/UnderlinePosition:"), this);
+  ulThicknessPromptLabel_ = new QLabel(tr("/UnderlineThickness:"), this);
+
+  versionLabel_ = new QLabel(this);
+  noticeLabel_ = new QLabel(this);
+  fullNameLabel_ = new QLabel(this);
+  familyNameLabel_ = new QLabel(this);
+  weightLabel_ = new QLabel(this);
   italicAngleLabel_ = new QLabel(this);
-   fixedPitchLabel_ = new QLabel(this);
-        ulPosLabel_ = new QLabel(this);
+  fixedPitchLabel_ = new QLabel(this);
+  ulPosLabel_ = new QLabel(this);
   ulThicknessLabel_ = new QLabel(this);
 
-  setLabelSelectable(    versionLabel_);
-  setLabelSelectable(     noticeLabel_);
-  setLabelSelectable(   fullNameLabel_);
-  setLabelSelectable( familyNameLabel_);
-  setLabelSelectable(     weightLabel_);
+  setLabelSelectable(versionLabel_);
+  setLabelSelectable(noticeLabel_);
+  setLabelSelectable(fullNameLabel_);
+  setLabelSelectable(familyNameLabel_);
+  setLabelSelectable(weightLabel_);
   setLabelSelectable(italicAngleLabel_);
-  setLabelSelectable( fixedPitchLabel_);
-  setLabelSelectable(      ulPosLabel_);
+  setLabelSelectable(fixedPitchLabel_);
+  setLabelSelectable(ulPosLabel_);
   setLabelSelectable(ulThicknessLabel_);
 
-          uniqueIDPromptLabel_  = new QLabel(tr("/UniqueID:"), this);
-        blueValuesPromptLabel_  = new QLabel(tr("/BlueValues:"), this);
-        otherBluesPromptLabel_  = new QLabel(tr("/OtherBlues:"), this);
-       familyBluesPromptLabel_  = new QLabel(tr("/FamilyBlues:"), this);
-  familyOtherBluesPromptLabel_  = new QLabel(tr("/FamilyOtherBlues:"), this);
-         blueScalePromptLabel_  = new QLabel(tr("/BlueScale:"), this);
-         blueShiftPromptLabel_  = new QLabel(tr("/BlueShift:"), this);
-          blueFuzzPromptLabel_  = new QLabel(tr("/BlueFuzz:"), this);
-         stdWidthsPromptLabel_  = new QLabel(tr("/StdHW:"), this);
-        stdHeightsPromptLabel_  = new QLabel(tr("/StdVW:"), this);
-        snapWidthsPromptLabel_  = new QLabel(tr("/StemSnapH:"), this);
-       snapHeightsPromptLabel_  = new QLabel(tr("/StemSnapV:"), this);
-         forceBoldPromptLabel_  = new QLabel(tr("/ForceBold:"), this);
-     languageGroupPromptLabel_  = new QLabel(tr("/LanguageGroup:"), this);
-          passwordPromptLabel_  = new QLabel(tr("/password:"), this);
-             lenIVPromptLabel_  = new QLabel(tr("/lenIV:"), this);
-        minFeaturePromptLabel_  = new QLabel(tr("/MinFeature:"), this);
-       roundStemUpPromptLabel_  = new QLabel(tr("/RndStemUp:"), this);
-   expansionFactorPromptLabel_  = new QLabel(tr("/ExpansionFactor:"), this);
-
-          uniqueIDLabel_ = new QLabel(this);
-        blueValuesLabel_ = new QLabel(this);
-        otherBluesLabel_ = new QLabel(this);
-       familyBluesLabel_ = new QLabel(this);
+  uniqueIDPromptLabel_ = new QLabel(tr("/UniqueID:"), this);
+  blueValuesPromptLabel_ = new QLabel(tr("/BlueValues:"), this);
+  otherBluesPromptLabel_ = new QLabel(tr("/OtherBlues:"), this);
+  familyBluesPromptLabel_ = new QLabel(tr("/FamilyBlues:"), this);
+  familyOtherBluesPromptLabel_ = new QLabel(tr("/FamilyOtherBlues:"), this);
+  blueScalePromptLabel_ = new QLabel(tr("/BlueScale:"), this);
+  blueShiftPromptLabel_ = new QLabel(tr("/BlueShift:"), this);
+  blueFuzzPromptLabel_ = new QLabel(tr("/BlueFuzz:"), this);
+  stdWidthsPromptLabel_ = new QLabel(tr("/StdHW:"), this);
+  stdHeightsPromptLabel_ = new QLabel(tr("/StdVW:"), this);
+  snapWidthsPromptLabel_ = new QLabel(tr("/StemSnapH:"), this);
+  snapHeightsPromptLabel_ = new QLabel(tr("/StemSnapV:"), this);
+  forceBoldPromptLabel_ = new QLabel(tr("/ForceBold:"), this);
+  languageGroupPromptLabel_ = new QLabel(tr("/LanguageGroup:"), this);
+  passwordPromptLabel_ = new QLabel(tr("/password:"), this);
+  lenIVPromptLabel_ = new QLabel(tr("/lenIV:"), this);
+  minFeaturePromptLabel_ = new QLabel(tr("/MinFeature:"), this);
+  roundStemUpPromptLabel_ = new QLabel(tr("/RndStemUp:"), this);
+  expansionFactorPromptLabel_ = new QLabel(tr("/ExpansionFactor:"), this);
+
+  uniqueIDLabel_ = new QLabel(this);
+  blueValuesLabel_ = new QLabel(this);
+  otherBluesLabel_ = new QLabel(this);
+  familyBluesLabel_ = new QLabel(this);
   familyOtherBluesLabel_ = new QLabel(this);
-         blueScaleLabel_ = new QLabel(this);
-         blueShiftLabel_ = new QLabel(this);
-          blueFuzzLabel_ = new QLabel(this);
-         stdWidthsLabel_ = new QLabel(this);
-        stdHeightsLabel_ = new QLabel(this);
-        snapWidthsLabel_ = new QLabel(this);
-       snapHeightsLabel_ = new QLabel(this);
-         forceBoldLabel_ = new QLabel(this);
-     languageGroupLabel_ = new QLabel(this);
-          passwordLabel_ = new QLabel(this);
-             lenIVLabel_ = new QLabel(this);
-        minFeatureLabel_ = new QLabel(this);
-       roundStemUpLabel_ = new QLabel(this);
-   expansionFactorLabel_ = new QLabel(this);
-
-  setLabelSelectable(        uniqueIDLabel_);
-  setLabelSelectable(      blueValuesLabel_);
-  setLabelSelectable(      otherBluesLabel_);
-  setLabelSelectable(     familyBluesLabel_);
+  blueScaleLabel_ = new QLabel(this);
+  blueShiftLabel_ = new QLabel(this);
+  blueFuzzLabel_ = new QLabel(this);
+  stdWidthsLabel_ = new QLabel(this);
+  stdHeightsLabel_ = new QLabel(this);
+  snapWidthsLabel_ = new QLabel(this);
+  snapHeightsLabel_ = new QLabel(this);
+  forceBoldLabel_ = new QLabel(this);
+  languageGroupLabel_ = new QLabel(this);
+  passwordLabel_ = new QLabel(this);
+  lenIVLabel_ = new QLabel(this);
+  minFeatureLabel_ = new QLabel(this);
+  roundStemUpLabel_ = new QLabel(this);
+  expansionFactorLabel_ = new QLabel(this);
+
+  setLabelSelectable(uniqueIDLabel_);
+  setLabelSelectable(blueValuesLabel_);
+  setLabelSelectable(otherBluesLabel_);
+  setLabelSelectable(familyBluesLabel_);
   setLabelSelectable(familyOtherBluesLabel_);
-  setLabelSelectable(       blueScaleLabel_);
-  setLabelSelectable(       blueShiftLabel_);
-  setLabelSelectable(        blueFuzzLabel_);
-  setLabelSelectable(       stdWidthsLabel_);
-  setLabelSelectable(      stdHeightsLabel_);
-  setLabelSelectable(      snapWidthsLabel_);
-  setLabelSelectable(     snapHeightsLabel_);
-  setLabelSelectable(       forceBoldLabel_);
-  setLabelSelectable(   languageGroupLabel_);
-  setLabelSelectable(        passwordLabel_);
-  setLabelSelectable(           lenIVLabel_);
-  setLabelSelectable(      minFeatureLabel_);
-  setLabelSelectable(     roundStemUpLabel_);
-  setLabelSelectable( expansionFactorLabel_);
+  setLabelSelectable(blueScaleLabel_);
+  setLabelSelectable(blueShiftLabel_);
+  setLabelSelectable(blueFuzzLabel_);
+  setLabelSelectable(stdWidthsLabel_);
+  setLabelSelectable(stdHeightsLabel_);
+  setLabelSelectable(snapWidthsLabel_);
+  setLabelSelectable(snapHeightsLabel_);
+  setLabelSelectable(forceBoldLabel_);
+  setLabelSelectable(languageGroupLabel_);
+  setLabelSelectable(passwordLabel_);
+  setLabelSelectable(lenIVLabel_);
+  setLabelSelectable(minFeatureLabel_);
+  setLabelSelectable(roundStemUpLabel_);
+  setLabelSelectable(expansionFactorLabel_);
 
   noticeLabel_->setWordWrap(true);
   familyBluesLabel_->setWordWrap(true);
@@ -765,8 +779,10 @@ PostScriptInfoTab::createLayout()
   snapHeightsLabel_->setWordWrap(true);
   minFeatureLabel_->setWordWrap(true);
 
-  infoGroupBox_ = new QGroupBox(tr("PostScript /FontInfo dictionary"), this);
-  privateGroupBox_ = new QGroupBox(tr("PostScript /Private dictionary"), this);
+  infoGroupBox_ = new QGroupBox(tr("PostScript /FontInfo dictionary"),
+                                this);
+  privateGroupBox_ = new QGroupBox(tr("PostScript /Private dictionary"),
+                                   this);
 
   infoWidget_ = new QWidget(this);
   privateWidget_ = new QWidget(this);
@@ -774,14 +790,16 @@ PostScriptInfoTab::createLayout()
   infoScrollArea_ = new UnboundScrollArea(this);
   infoScrollArea_->setWidget(infoWidget_);
   infoScrollArea_->setWidgetResizable(true);
-  infoScrollArea_->setStyleSheet("QScrollArea 
{background-color:transparent;}");
+  infoScrollArea_->setStyleSheet(
+                     "QScrollArea {background-color:transparent;}");
   infoWidget_->setStyleSheet("background-color:transparent;");
   infoWidget_->setContentsMargins(0, 0, 0, 0);
 
   privateScrollArea_ = new UnboundScrollArea(this);
   privateScrollArea_->setWidget(privateWidget_);
   privateScrollArea_->setWidgetResizable(true);
-  privateScrollArea_->setStyleSheet("QScrollArea 
{background-color:transparent;}");
+  privateScrollArea_->setStyleSheet(
+                        "QScrollArea {background-color:transparent;}");
   privateWidget_->setStyleSheet("background-color:transparent;");
   privateWidget_->setContentsMargins(0, 0, 0, 0);
 
@@ -793,52 +811,54 @@ PostScriptInfoTab::createLayout()
 #define PSI2Row(w) GL2CRow(infoLayout_, w)
 #define PSP2Row(w) GL2CRow(privateLayout_, w)
 
-  PSI2Row(    version);
-  PSI2Row(     notice);
-  PSI2Row(   fullName);
-  PSI2Row( familyName);
-  PSI2Row(     weight);
+  PSI2Row(version);
+  PSI2Row(notice);
+  PSI2Row(fullName);
+  PSI2Row(familyName);
+  PSI2Row(weight);
   PSI2Row(italicAngle);
-  PSI2Row( fixedPitch);
-  PSI2Row(      ulPos);
+  PSI2Row(fixedPitch);
+  PSI2Row(ulPos);
   PSI2Row(ulThickness);
 
-  PSP2Row(        uniqueID);
-  PSP2Row(      blueValues);
-  PSP2Row(      otherBlues);
-  PSP2Row(     familyBlues);
+  PSP2Row(uniqueID);
+  PSP2Row(blueValues);
+  PSP2Row(otherBlues);
+  PSP2Row(familyBlues);
   PSP2Row(familyOtherBlues);
-  PSP2Row(       blueScale);
-  PSP2Row(       blueShift);
-  PSP2Row(        blueFuzz);
-  PSP2Row(       stdWidths);
-  PSP2Row(      stdHeights);
-  PSP2Row(      snapWidths);
-  PSP2Row(     snapHeights);
-  PSP2Row(       forceBold);
-  PSP2Row(   languageGroup);
-  PSP2Row(        password);
-  PSP2Row(           lenIV);
-  PSP2Row(      minFeature);
-  PSP2Row(     roundStemUp);
-  PSP2Row( expansionFactor);
-
-  infoLayout_->addItem(new QSpacerItem(0, 0, 
-                                       QSizePolicy::Preferred, 
+  PSP2Row(blueScale);
+  PSP2Row(blueShift);
+  PSP2Row(blueFuzz);
+  PSP2Row(stdWidths);
+  PSP2Row(stdHeights);
+  PSP2Row(snapWidths);
+  PSP2Row(snapHeights);
+  PSP2Row(forceBold);
+  PSP2Row(languageGroup);
+  PSP2Row(password);
+  PSP2Row(lenIV);
+  PSP2Row(minFeature);
+  PSP2Row(roundStemUp);
+  PSP2Row(expansionFactor);
+
+  infoLayout_->addItem(new QSpacerItem(0, 0,
+                                       QSizePolicy::Preferred,
                                        QSizePolicy::Expanding),
                        infoLayout_->rowCount(), 0, 1, 2);
-  privateLayout_->addItem(new QSpacerItem(0, 0, 
-                                          QSizePolicy::Preferred, 
+  privateLayout_->addItem(new QSpacerItem(0, 0,
+                                          QSizePolicy::Preferred,
                                           QSizePolicy::Expanding),
                           privateLayout_->rowCount(), 0, 1, 2);
 
-     infoLayout_->setColumnStretch(1, 1);
+  infoLayout_->setColumnStretch(1, 1);
   privateLayout_->setColumnStretch(1, 1);
 
   infoWidget_->setLayout(infoLayout_);
   privateWidget_->setLayout(privateLayout_);
-  infoGroupBox_->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Expanding);
-  privateGroupBox_->setSizePolicy(QSizePolicy::Ignored, 
QSizePolicy::Expanding);
+  infoGroupBox_->setSizePolicy(QSizePolicy::Ignored,
+                               QSizePolicy::Expanding);
+  privateGroupBox_->setSizePolicy(QSizePolicy::Ignored,
+                                  QSizePolicy::Expanding);
 
   infoGroupBoxLayout_->addWidget(infoScrollArea_);
   privateGroupBoxLayout_->addWidget(privateScrollArea_);
@@ -854,7 +874,8 @@ PostScriptInfoTab::createLayout()
 
 MMGXInfoTab::MMGXInfoTab(QWidget* parent,
                          Engine* engine)
-: QWidget(parent), engine_(engine)
+: QWidget(parent),
+  engine_(engine)
 {
   createLayout();
 }
@@ -867,7 +888,7 @@ MMGXInfoTab::reloadFont()
   axesGroupBox_->setEnabled(state != MMGXState::NoMMGX);
   switch (state)
   {
-  case MMGXState::NoMMGX: 
+  case MMGXState::NoMMGX:
     mmgxTypeLabel_->setText("No MM/GX");
     break;
   case MMGXState::MM:
@@ -903,7 +924,7 @@ MMGXInfoTab::createLayout()
   axesModel_ = new MMGXAxisInfoModel(this);
   axesTable_->setModel(axesModel_);
   auto header = axesTable_->verticalHeader();
-  // This will force the minimal size to be used
+  // This forces the minimum size to be used.
   header->setDefaultSectionSize(0);
   header->setSectionResizeMode(QHeaderView::Fixed);
   axesTable_->horizontalHeader()->setStretchLastSection(true);
@@ -919,8 +940,8 @@ MMGXInfoTab::createLayout()
 #define MMGXI2Row(w) GL2CRow(infoLayout_, w)
   auto r = MMGXI2Row(mmgxType);
 
-  infoLayout_->addItem(new QSpacerItem(0, 0, 
-                                       QSizePolicy::Expanding, 
+  infoLayout_->addItem(new QSpacerItem(0, 0,
+                                       QSizePolicy::Expanding,
                                        QSizePolicy::Preferred),
                        r, 2);
 
@@ -934,7 +955,8 @@ MMGXInfoTab::createLayout()
 
 CompositeGlyphsTab::CompositeGlyphsTab(QWidget* parent,
                                        Engine* engine)
-: QWidget(parent), engine_(engine)
+: QWidget(parent),
+  engine_(engine)
 {
   createLayout();
   createConnections();
@@ -994,7 +1016,7 @@ CompositeGlyphsTab::createConnections()
 void
 CompositeGlyphsTab::forceReloadFont()
 {
-  engine_->loadDefaults(); // this would reload the font
+  engine_->loadDefaults(); // This reloads the font.
   auto face = engine_->currentFallbackFtFace();
 
   std::vector<CompositeGlyphInfo> list;
@@ -1009,7 +1031,7 @@ CompositeGlyphsTab::forceReloadFont()
   if (!face || !FT_IS_SFNT(face))
   {
     compositeGlyphCountPromptLabel_->setVisible(false);
-    compositeGlyphCountLabel_->setText(tr("Not a SFNT font."));
+    compositeGlyphCountLabel_->setText(tr("Not an SFNT font."));
   }
   else if (compositeModel_->storage().empty())
   {
diff --git a/src/ftinspect/panels/info.hpp b/src/ftinspect/panels/info.hpp
index 6890d23..e287113 100644
--- a/src/ftinspect/panels/info.hpp
+++ b/src/ftinspect/panels/info.hpp
@@ -10,17 +10,18 @@
 #include "../widgets/customwidgets.hpp"
 
 #include <vector>
-#include <QWidget>
-#include <QTabWidget>
+
 #include <QBoxLayout>
-#include <QTextEdit>
 #include <QDialog>
 #include <QGridLayout>
-#include <QVector>
-#include <QLabel>
 #include <QGroupBox>
+#include <QLabel>
 #include <QTableView>
+#include <QTabWidget>
+#include <QTextEdit>
 #include <QTreeView>
+#include <QVector>
+#include <QWidget>
 
 class Engine;
 class GeneralInfoTab;
@@ -30,11 +31,14 @@ class MMGXInfoTab;
 class CompositeGlyphsTab;
 
 class InfoTab
-: public QWidget, public AbstractTab
+: public QWidget,
+  public AbstractTab
 {
   Q_OBJECT
+
 public:
-  InfoTab(QWidget* parent, Engine* engine);
+  InfoTab(QWidget* parent,
+          Engine* engine);
   ~InfoTab() override = default;
 
   void repaintGlyph() override {}
@@ -47,10 +51,10 @@ private:
   Engine* engine_;
 
   QVector<AbstractTab*> tabs_;
-  GeneralInfoTab*     generalTab_;
-  SFNTInfoTab*        sfntTab_;
-  PostScriptInfoTab*  postScriptTab_;
-  MMGXInfoTab*        mmgxTab_;
+  GeneralInfoTab* generalTab_;
+  SFNTInfoTab* sfntTab_;
+  PostScriptInfoTab* postScriptTab_;
+  MMGXInfoTab* mmgxTab_;
   CompositeGlyphsTab* compositeGlyphsTab_;
 
   QTabWidget* tab_;
@@ -67,11 +71,14 @@ private:
 
 
 class GeneralInfoTab
-: public QWidget, public AbstractTab
+: public QWidget,
+  public AbstractTab
 {
   Q_OBJECT
+
 public:
-  GeneralInfoTab(QWidget* parent, Engine* engine);
+  GeneralInfoTab(QWidget* parent,
+                 Engine* engine);
   ~GeneralInfoTab() override = default;
 
   void repaintGlyph() override {}
@@ -80,39 +87,39 @@ public:
 private:
   Engine* engine_;
 
-  LabelPair(    numFaces)
-  LabelPair(      family)
-  LabelPair(       style)
-  LabelPair(  postscript)
-  LabelPair(     created)
-  LabelPair(    modified)
-  LabelPair(    revision)
-  LabelPair(   copyright)
-  LabelPair(   trademark)
+  LabelPair(numFaces)
+  LabelPair(family)
+  LabelPair(style)
+  LabelPair(postscript)
+  LabelPair(created)
+  LabelPair(modified)
+  LabelPair(revision)
+  LabelPair(copyright)
+  LabelPair(trademark)
   LabelPair(manufacturer)
 
   LabelPair(driverName)
-  LabelPair(      sfnt)
-  LabelPair(  fontType)
-  LabelPair( direction)
+  LabelPair(sfnt)
+  LabelPair(fontType)
+  LabelPair(direction)
   LabelPair(fixedWidth)
   LabelPair(glyphNames)
 
-  LabelPair(          emSize)
-  LabelPair(            bbox)
-  LabelPair(        ascender)
-  LabelPair(       descender)
-  LabelPair( maxAdvanceWidth)
+  LabelPair(emSize)
+  LabelPair(bbox)
+  LabelPair(ascender)
+  LabelPair(descender)
+  LabelPair(maxAdvanceWidth)
   LabelPair(maxAdvanceHeight)
-  LabelPair(           ulPos)
-  LabelPair(     ulThickness)
+  LabelPair(ulPos)
+  LabelPair(ulThickness)
 
-  QGroupBox*       basicGroupBox_;
+  QGroupBox* basicGroupBox_;
   QGroupBox* typeEntriesGroupBox_;
-  QGroupBox*     charMapGroupBox_;
-  QGroupBox*  fixedSizesGroupBox_;
+  QGroupBox* charMapGroupBox_;
+  QGroupBox* fixedSizesGroupBox_;
 
-  QTableView*   charMapsTable_;
+  QTableView* charMapsTable_;
   QTableView* fixedSizesTable_;
 
   FixedSizeInfoModel* fixedSizeInfoModel_;
@@ -142,11 +149,13 @@ class StringViewDialog
 : public QDialog
 {
   Q_OBJECT
+
 public:
   StringViewDialog(QWidget* parent);
   ~StringViewDialog() override = default;
 
-  void updateString(QByteArray const& rawArray, QString const& str);
+  void updateString(QByteArray const& rawArray,
+                    QString const& str);
 
 private:
   QLabel* textLabel_;
@@ -162,11 +171,14 @@ private:
 
 
 class SFNTInfoTab
-: public QWidget, public AbstractTab
+: public QWidget,
+  public AbstractTab
 {
   Q_OBJECT
+
 public:
-  SFNTInfoTab(QWidget* parent, Engine* engine);
+  SFNTInfoTab(QWidget* parent,
+              Engine* engine);
   ~SFNTInfoTab() override = default;
 
   void repaintGlyph() override {}
@@ -198,11 +210,14 @@ private:
 
 
 class PostScriptInfoTab
-: public QWidget, public AbstractTab
+: public QWidget,
+  public AbstractTab
 {
   Q_OBJECT
+
 public:
-  PostScriptInfoTab(QWidget* parent, Engine* engine);
+  PostScriptInfoTab(QWidget* parent,
+                    Engine* engine);
   ~PostScriptInfoTab() override = default;
 
   void repaintGlyph() override {}
@@ -211,35 +226,35 @@ public:
 private:
   Engine* engine_;
 
-  LabelPair(    version)
-  LabelPair(     notice)
-  LabelPair(   fullName)
-  LabelPair( familyName)
-  LabelPair(     weight)
+  LabelPair(version)
+  LabelPair(notice)
+  LabelPair(fullName)
+  LabelPair(familyName)
+  LabelPair(weight)
   LabelPair(italicAngle)
-  LabelPair( fixedPitch)
-  LabelPair(      ulPos)
+  LabelPair(fixedPitch)
+  LabelPair(ulPos)
   LabelPair(ulThickness)
 
-  LabelPair(        uniqueID)
-  LabelPair(      blueValues)
-  LabelPair(      otherBlues)
-  LabelPair(     familyBlues)
+  LabelPair(uniqueID)
+  LabelPair(blueValues)
+  LabelPair(otherBlues)
+  LabelPair(familyBlues)
   LabelPair(familyOtherBlues)
-  LabelPair(       blueScale)
-  LabelPair(       blueShift)
-  LabelPair(        blueFuzz)
-  LabelPair(       stdWidths)
-  LabelPair(      stdHeights)
-  LabelPair(      snapWidths)
-  LabelPair(     snapHeights)
-  LabelPair(       forceBold)
-  LabelPair(   languageGroup)
-  LabelPair(        password)
-  LabelPair(           lenIV)
-  LabelPair(      minFeature)
-  LabelPair(     roundStemUp)
-  LabelPair( expansionFactor)
+  LabelPair(blueScale)
+  LabelPair(blueShift)
+  LabelPair(blueFuzz)
+  LabelPair(stdWidths)
+  LabelPair(stdHeights)
+  LabelPair(snapWidths)
+  LabelPair(snapHeights)
+  LabelPair(forceBold)
+  LabelPair(languageGroup)
+  LabelPair(password)
+  LabelPair(lenIV)
+  LabelPair(minFeature)
+  LabelPair(roundStemUp)
+  LabelPair(expansionFactor)
 
   QGroupBox* infoGroupBox_;
   QGroupBox* privateGroupBox_;
@@ -263,11 +278,13 @@ private:
 
 
 class MMGXInfoTab
-: public QWidget, public AbstractTab
+: public QWidget,
+  public AbstractTab
 {
   Q_OBJECT
 public:
-  MMGXInfoTab(QWidget* parent, Engine* engine);
+  MMGXInfoTab(QWidget* parent,
+              Engine* engine);
   ~MMGXInfoTab() override = default;
 
   void repaintGlyph() override {}
@@ -292,11 +309,14 @@ private:
 
 
 class CompositeGlyphsTab
-: public QWidget, public AbstractTab
+: public QWidget,
+  public AbstractTab
 {
   Q_OBJECT
+
 public:
-  CompositeGlyphsTab(QWidget* parent, Engine* engine);
+  CompositeGlyphsTab(QWidget* parent,
+                     Engine* engine);
   ~CompositeGlyphsTab() override = default;
 
   void repaintGlyph() override {}
diff --git a/src/ftinspect/panels/settingpanel.cpp 
b/src/ftinspect/panels/settingpanel.cpp
index 79a5ab8..2e64b3c 100644
--- a/src/ftinspect/panels/settingpanel.cpp
+++ b/src/ftinspect/panels/settingpanel.cpp
@@ -3,14 +3,14 @@
 // Copyright (C) 2022 by Charlie Jiang.
 
 #include "settingpanel.hpp"
-
 #include "../uihelper.hpp"
 
 #include <QColorDialog>
 
-// for `FT_DEBUG_AUTOFIT`
+// For `FT_DEBUG_AUTOFIT`.
 #include <freetype/config/ftoption.h>
 
+
 SettingPanel::SettingPanel(QWidget* parent,
                            Engine* engine,
                            bool comparatorMode)
@@ -96,7 +96,7 @@ SettingPanel::checkHinting()
       if (tricky)
         autoHintingCheckBox_->setChecked(false);
     }
-    checkAutoHinting(); // this will emit repaint
+    checkAutoHinting(); // This causes repainting.
   }
   else
   {
@@ -119,7 +119,7 @@ SettingPanel::checkHinting()
         || aaMode == AntiAliasingComboBoxModel::AntiAliasing_Light_SubPixel)
       antiAliasingComboBox_->setCurrentIndex(
         AntiAliasingComboBoxModel::AntiAliasing_Normal);
-    
+
     emit repaintNeeded();
   }
 }
@@ -212,7 +212,7 @@ SettingPanel::checkPalette()
 void
 SettingPanel::openBackgroundPicker()
 {
-  auto result = QColorDialog::getColor(backgroundColor_, 
+  auto result = QColorDialog::getColor(backgroundColor_,
                                        this,
                                        tr("Background Color"));
   if (result.isValid())
@@ -227,7 +227,7 @@ SettingPanel::openBackgroundPicker()
 void
 SettingPanel::openForegroundPicker()
 {
-  auto result = QColorDialog::getColor(foregroundColor_, 
+  auto result = QColorDialog::getColor(foregroundColor_,
                                        this,
                                        tr("Foreground Color"),
                                        QColorDialog::ShowAlphaChannel);
@@ -244,8 +244,8 @@ void
 SettingPanel::updateGamma()
 {
   gammaValueLabel_->setText(QString::number(gammaSlider_->value() / 10.0,
-                           'f',
-                           1));
+                            'f',
+                            1));
   emit repaintNeeded();
 }
 
@@ -273,7 +273,7 @@ SettingPanel::populatePalettes()
 {
   auto needToReload = false;
   auto& newPalettes = engine_->currentFontPalettes();
-  auto newSize = static_cast<int>(newPalettes.size()); // this never exceeds!
+  auto newSize = static_cast<int>(newPalettes.size()); // This never exceeds!
   if (newSize != paletteComboBox_->count())
     needToReload = true;
   else
@@ -291,6 +291,7 @@ SettingPanel::populatePalettes()
         break;
       }
     }
+
   if (!needToReload)
     return;
 
@@ -347,7 +348,7 @@ SettingPanel::onFontChanged()
   mmgxPanel_->reloadFont();
   blockSignals(blockState);
 
-  // Place this after `blockSignals` to let the signals emitted normally
+  // Place this after `blockSignals` to let the signals be emitted normally.
   auto bmapOnly = engine_->currentFontBitmapOnly();
   embeddedBitmapCheckBox_->setEnabled(
     !bmapOnly && engine_->currentFontHasEmbeddedBitmap());
@@ -401,10 +402,10 @@ SettingPanel::applySettings()
 void
 SettingPanel::applyDelayedSettings()
 {
-  // This must not be combined into `applySettings`:
-  // those engine manipulations will reset the whole cache!!
-  // Therefore must only be called when the selection of the combo box actually
-  // changes a.k.a. QComboBox::activate.
+  // This must not be combined with `applySettings` since those engine
+  // manipulations reset the whole cache!  Therefore, it must only be called
+  // when the selection of the combobox actually changes (a.k.a.
+  // `QComboBox::activate`).
 
   int index = hintingModeComboBox_->currentIndex();
 
@@ -450,7 +451,7 @@ SettingPanel::createLayout()
     blueZoneHintingCheckBox_ = new QCheckBox(tr("Blue-Zone Hinting"), this);
     segmentDrawingCheckBox_ = new QCheckBox(tr("Segment Drawing"), this);
   }
-  
+
   embeddedBitmapCheckBox_ = new QCheckBox(tr("Enable Embedded Bitmap"), this);
   colorLayerCheckBox_ = new QCheckBox(tr("Enable Color Layer"), this);
 
@@ -518,36 +519,37 @@ SettingPanel::createLayout()
 
   // Tooltips
   hintingCheckBox_->setToolTip(tr("Enable hinting a.k.a. grid-fitting."));
-  hintingModeComboBox_->setToolTip(
-    tr("Modes not available for current font type will be disabled. No "
-       "effect when auto-hinting is enabled"));
+  hintingModeComboBox_->setToolTip(tr(
+    "Modes not available for current font type will be disabled."
+    " No effect when auto-hinting is enabled"));
   autoHintingCheckBox_->setToolTip(tr("Enable FreeType Auto-Hinter."));
   if (debugMode_)
   {
     horizontalHintingCheckBox_->setToolTip(tr("(auto-hinter debug option)"));
-    verticalHintingCheckBox_  ->setToolTip(tr("(auto-hinter debug option)"));
-    blueZoneHintingCheckBox_  ->setToolTip(tr("(auto-hinter debug option)"));
-    segmentDrawingCheckBox_   ->setToolTip(tr("(auto-hinter debug option)"));
+    verticalHintingCheckBox_->setToolTip(tr("(auto-hinter debug option)"));
+    blueZoneHintingCheckBox_->setToolTip(tr("(auto-hinter debug option)"));
+    segmentDrawingCheckBox_->setToolTip(tr("(auto-hinter debug option)"));
   }
   antiAliasingComboBox_->setToolTip(tr("Select anti-aliasing mode."));
-  lcdFilterComboBox_->setToolTip(
-    tr("Select LCD filter (only valid when LCD AA is enabled)."));
+  lcdFilterComboBox_->setToolTip(tr(
+    "Select LCD filter (only valid when LCD AA is enabled)."));
   embeddedBitmapCheckBox_->setToolTip(tr(
-    "Enable embedded bitmap strikes (force enabled for bitmap-only fonts)."));
-  stemDarkeningCheckBox_->setToolTip(
-    tr("Enable stem darkening (only valid for auto-hinter with gamma "
-       "correction enabled and with Light AA modes)."));
+    "Enable embedded bitmap strikes (force-enabled for bitmap-only fonts)."));
+  stemDarkeningCheckBox_->setToolTip(tr(
+    "Enable stem darkening (only valid for auto-hinter with gamma"
+    " correction enabled and with Light AA modes)."));
   gammaSlider_->setToolTip("Gamma correction value.");
   colorLayerCheckBox_->setToolTip(tr("Enable color layer rendering."));
-  paletteComboBox_->setToolTip(tr("Select color layer palette (only valid when 
"
-                                  "any palette exists in the font)."));
+  paletteComboBox_->setToolTip(tr(
+    "Select color layer palette (only valid when"
+    " any palette exists in the font)."));
   if (comparatorMode_)
   {
-    kerningCheckBox_->setToolTip(
-      tr("Enable kerning (GPOS table not supported)."));
-    lsbRsbDeltaCheckBox_->setToolTip(
-      tr("Enable LSB/RSB delta positioning (only valid when hinting is "
-         "enabled)."));
+    kerningCheckBox_->setToolTip(tr(
+      "Enable kerning (GPOS table not supported)."));
+    lsbRsbDeltaCheckBox_->setToolTip(tr(
+      "Enable LSB/RSB delta positioning (only valid when hinting is"
+      " enabled)."));
   }
   backgroundButton_->setToolTip(tr("Set canvas background color."));
   foregroundButton_->setToolTip(tr("Set text color."));
@@ -593,22 +595,22 @@ SettingPanel::createLayoutNormal()
   generalTabLayout_ = new QGridLayout;
 
   gridLayout2ColAddWidget(generalTabLayout_, hintingCheckBox_);
-  gridLayout2ColAddWidget(generalTabLayout_, 
+  gridLayout2ColAddWidget(generalTabLayout_,
                           hintingModeLabel_, hintingModeComboBox_);
   gridLayout2ColAddWidget(generalTabLayout_, autoHintingCheckBox_);
 
   if (debugMode_)
     gridLayout2ColAddLayout(generalTabLayout_, debugLayout_);
-  
+
   gridLayout2ColAddItem(generalTabLayout_,
                         new QSpacerItem(0, 20, QSizePolicy::Minimum,
                                         QSizePolicy::MinimumExpanding));
 
-  gridLayout2ColAddWidget(generalTabLayout_, 
+  gridLayout2ColAddWidget(generalTabLayout_,
                           antiAliasingLabel_, antiAliasingComboBox_);
-  gridLayout2ColAddWidget(generalTabLayout_, 
+  gridLayout2ColAddWidget(generalTabLayout_,
                           lcdFilterLabel_, lcdFilterComboBox_);
-  
+
   gridLayout2ColAddItem(generalTabLayout_,
                         new QSpacerItem(0, 20, QSizePolicy::Minimum,
                                         QSizePolicy::MinimumExpanding));
@@ -618,9 +620,9 @@ SettingPanel::createLayoutNormal()
   gridLayout2ColAddWidget(generalTabLayout_, stemDarkeningCheckBox_);
   gridLayout2ColAddWidget(generalTabLayout_, embeddedBitmapCheckBox_);
   gridLayout2ColAddWidget(generalTabLayout_, colorLayerCheckBox_);
-  gridLayout2ColAddWidget(generalTabLayout_, 
+  gridLayout2ColAddWidget(generalTabLayout_,
                           paletteLabel_, paletteComboBox_);
-  
+
   gridLayout2ColAddItem(generalTabLayout_,
                         new QSpacerItem(0, 20, QSizePolicy::Minimum,
                                         QSizePolicy::MinimumExpanding));
@@ -646,16 +648,16 @@ SettingPanel::createLayoutComparator()
 
   // Hinting & Rendering
   gridLayout2ColAddWidget(hintingRenderingTabLayout_, hintingCheckBox_);
-  gridLayout2ColAddWidget(hintingRenderingTabLayout_, 
+  gridLayout2ColAddWidget(hintingRenderingTabLayout_,
                           hintingModeLabel_, hintingModeComboBox_);
   gridLayout2ColAddWidget(hintingRenderingTabLayout_, autoHintingCheckBox_);
 
   if (debugMode_)
     gridLayout2ColAddLayout(hintingRenderingTabLayout_, debugLayout_);
 
-  gridLayout2ColAddWidget(hintingRenderingTabLayout_, 
+  gridLayout2ColAddWidget(hintingRenderingTabLayout_,
                           antiAliasingLabel_, antiAliasingComboBox_);
-  gridLayout2ColAddWidget(hintingRenderingTabLayout_, 
+  gridLayout2ColAddWidget(hintingRenderingTabLayout_,
                           lcdFilterLabel_, lcdFilterComboBox_);
 
   gridLayout2ColAddLayout(hintingRenderingTabLayout_, gammaLayout_);
@@ -665,7 +667,7 @@ SettingPanel::createLayoutComparator()
   gridLayout2ColAddLayout(generalTabLayout_, colorPickerLayout_);
   gridLayout2ColAddWidget(generalTabLayout_, embeddedBitmapCheckBox_);
   gridLayout2ColAddWidget(generalTabLayout_, colorLayerCheckBox_);
-  gridLayout2ColAddWidget(generalTabLayout_, 
+  gridLayout2ColAddWidget(generalTabLayout_,
                           paletteLabel_, paletteComboBox_);
 
   gridLayout2ColAddWidget(generalTabLayout_, kerningCheckBox_);
@@ -689,23 +691,23 @@ SettingPanel::createLayoutComparator()
 void
 SettingPanel::createConnections()
 {
-  // use `qOverload` here to prevent ambiguity.
-  connect(hintingModeComboBox_, 
+  // Use `QOverload` here to prevent ambiguities.
+  connect(hintingModeComboBox_,
           QOverload<int>::of(&QComboBox::currentIndexChanged),
           this, &SettingPanel::fontReloadNeeded);
   connect(antiAliasingComboBox_,
           QOverload<int>::of(&QComboBox::currentIndexChanged),
           this, &SettingPanel::checkAntiAliasing);
-  connect(lcdFilterComboBox_, 
+  connect(lcdFilterComboBox_,
           QOverload<int>::of(&QComboBox::currentIndexChanged),
           this, &SettingPanel::repaintNeeded);
   connect(paletteComboBox_,
-          QOverload<int>::of(&QComboBox::currentIndexChanged), 
+          QOverload<int>::of(&QComboBox::currentIndexChanged),
           this, &SettingPanel::checkPalette);
 
   connect(gammaSlider_, &QSlider::valueChanged,
           this, &SettingPanel::updateGamma);
-  
+
   connect(hintingCheckBox_, &QCheckBox::clicked,
           this, &SettingPanel::checkHinting);
 
@@ -757,15 +759,15 @@ SettingPanel::setDefaults()
     { defaults.ttInterpreterVersionDefault,
       defaults.ttInterpreterVersionOther,
       defaults.ttInterpreterVersionOther1 },
-    { defaults.cffHintingEngineDefault, 
+    { defaults.cffHintingEngineDefault,
       defaults.cffHintingEngineOther });
 
   currentCFFHintingMode_
     = hintingModeComboBoxModel_->cffModeToIndex(
-    defaults.cffHintingEngineDefault);
+                                   defaults.cffHintingEngineDefault);
   currentTTInterpreterVersion_
     = hintingModeComboBoxModel_->ttInterpreterVersionToIndex(
-        defaults.ttInterpreterVersionDefault);
+                                   defaults.ttInterpreterVersionDefault);
 
   hintingCheckBox_->setChecked(true);
 
diff --git a/src/ftinspect/panels/settingpanel.hpp 
b/src/ftinspect/panels/settingpanel.hpp
index 12bdf57..ba34e38 100644
--- a/src/ftinspect/panels/settingpanel.hpp
+++ b/src/ftinspect/panels/settingpanel.hpp
@@ -4,33 +4,35 @@
 
 #pragma once
 
+#include "settingpanelmmgx.hpp"
 #include "../engine/engine.hpp"
 #include "../models/customcomboboxmodels.hpp"
-#include "settingpanelmmgx.hpp"
 
-#include <QWidget>
-#include <QTabWidget>
-#include <QLabel>
-#include <QComboBox>
+#include <QBoxLayout>
 #include <QCheckBox>
+#include <QComboBox>
 #include <QGridLayout>
-#include <QBoxLayout>
+#include <QLabel>
 #include <QPushButton>
+#include <QTabWidget>
+#include <QWidget>
+
 
 class SettingPanel
 : public QWidget
 {
   Q_OBJECT
+
 public:
-  SettingPanel(QWidget* parent, Engine* engine, bool comparatorMode = false);
+  SettingPanel(QWidget* parent,
+               Engine* engine,
+               bool comparatorMode = false);
   ~SettingPanel() override = default;
 
   void onFontChanged();
   void applySettings();
-  /*
-   * When in comparator mode, this is needed to sync the hinting modes when
-   * reloading the font.
-   */
+  // In comparator mode, this is needed to sync the hinting modes when
+  // reloading the font.
   void applyDelayedSettings();
 
   //////// Getters/Setters
@@ -50,16 +52,14 @@ private:
   int currentCFFHintingMode_;
   int currentTTInterpreterVersion_;
 
-  /*
-   * There's two places where `SettingPanel` appears: On the left for most 
tabs,
-   * and on the bottom in the comparator for each column. Therefore,
-   * set `comparatorMode_` to `true` will change the panel for the Comparator
-   * View.
-   *
-   * In comparator view, some updating is suppressed during GUI events.
-   * Instead, updating was strictly passive called from the parent (comparator
-   * view).
-   */
+  // There are two places where `SettingPanel` appears: On the left for most
+  // tabs, and on the bottom in the comparator for each column.  Therefore,
+  // setting `comparatorMode_` to `true` changes the panel for the
+  // Comparator View.
+  //
+  // In comparator view, some updating is suppressed during GUI events.
+  // Instead, updating is strictly passively called from the parent
+  // (comparator view).
   bool comparatorMode_ = false;
   bool debugMode_ = false;
 
@@ -114,7 +114,7 @@ private:
   QColor backgroundColor_;
   QColor foregroundColor_;
 
-  //////// Initializing funcs
+  //////// Initializing functions.
 
   void createConnections();
   void createLayout();
@@ -122,7 +122,7 @@ private:
   void createLayoutComparator();
   void setDefaults();
 
-  //////// Other funcs
+  //////// Other functions.
 
   void checkAllSettings();
   void checkHinting();
diff --git a/src/ftinspect/panels/settingpanelmmgx.cpp 
b/src/ftinspect/panels/settingpanelmmgx.cpp
index a1a81dc..b9dcc71 100644
--- a/src/ftinspect/panels/settingpanelmmgx.cpp
+++ b/src/ftinspect/panels/settingpanelmmgx.cpp
@@ -9,6 +9,7 @@
 #include "../engine/engine.hpp"
 #include "../uihelper.hpp"
 
+
 SettingPanelMMGX::SettingPanelMMGX(QWidget* parent,
                                    Engine* engine)
 : QWidget(parent),
@@ -32,7 +33,7 @@ SettingPanelMMGX::reloadFont()
   auto oldSize = itemWidgets_.size();
   auto minSize = std::min(newSize, oldSize);
 
-  // This won't trigger unexpected updating since signals are blocked
+  // This won't trigger unexpected updating since signals are blocked.
   for (size_t i = 0; i < minSize; ++i)
     itemWidgets_[i]->updateInfo(currentAxes_[i]);
 
@@ -147,7 +148,8 @@ void
 SettingPanelMMGX::itemChanged(size_t index)
 {
   if (groupingCheckBox_->isChecked()
-      && index < currentAxes_.size() && index < itemWidgets_.size())
+      && index < currentAxes_.size()
+      && index < itemWidgets_.size())
   {
     auto tag = currentAxes_[index].tag;
     auto value = itemWidgets_[index]->value();
@@ -217,9 +219,8 @@ MMGXSettingItem::updateInfo(MMGXAxisInfo& info)
   else
     nameLabel_->setText(info.name);
 
-  // To keep things simple, we will use 1/1024 of the span between the min and
-  // max as one step on the slider.
-
+  // To keep things simple, we use 1/1024th of the span between the minimum
+  // and the maximum as one step on the slider.
   slider_->setMinimum(0);
   slider_->setTickInterval(1);
   slider_->setMaximum(1024);
@@ -264,8 +265,8 @@ MMGXSettingItem::createLayout()
   setButtonNarrowest(resetDefaultButton_);
 
   nameLabel_->setToolTip(tr("Axis name or tag"));
-  slider_->setToolTip(
-    tr("Axis value (max precision: 1/1024 of the value range)"));
+  slider_->setToolTip(tr(
+    "Axis value (max precision: 1/1024 of the value range)"));
   valueLineEdit_->setToolTip(tr("Axis value"));
   resetDefaultButton_->setToolTip(tr("Reset axis to default"));
 
@@ -300,7 +301,7 @@ void
 MMGXSettingItem::sliderValueChanged()
 {
   auto value = slider_->value() / 1024.0
-               * (axisInfo_.maximum - axisInfo_.minimum)
+                 * (axisInfo_.maximum - axisInfo_.minimum)
                + axisInfo_.minimum;
   actualValue_ = static_cast<FT_Fixed>(value * 65536.0);
 
diff --git a/src/ftinspect/panels/settingpanelmmgx.hpp 
b/src/ftinspect/panels/settingpanelmmgx.hpp
index f61ca42..f06875d 100644
--- a/src/ftinspect/panels/settingpanelmmgx.hpp
+++ b/src/ftinspect/panels/settingpanelmmgx.hpp
@@ -7,30 +7,33 @@
 #include "../engine/mmgx.hpp"
 #include "../widgets/customwidgets.hpp"
 
-#include <QWidget>
-#include <QGridLayout>
 #include <QBoxLayout>
 #include <QCheckBox>
-#include <QScrollArea>
-#include <QLineEdit>
-#include <QSlider>
+#include <QDoubleValidator>
 #include <QFrame>
+#include <QGridLayout>
+#include <QLabel>
+#include <QLineEdit>
 #include <QPushButton>
+#include <QScrollArea>
+#include <QSlider>
 #include <QToolButton>
-#include <QLabel>
-#include <QDoubleValidator>
+#include <QWidget>
 
 #include <freetype/fttypes.h>
 
-class Engine;
 
+class Engine;
 class MMGXSettingItem;
+
 class SettingPanelMMGX
 : public QWidget
 {
   Q_OBJECT
+
 public:
-  SettingPanelMMGX(QWidget* parent, Engine* engine);
+  SettingPanelMMGX(QWidget* parent,
+                   Engine* engine);
   ~SettingPanelMMGX() override = default;
 
   void reloadFont();
@@ -72,6 +75,7 @@ class MMGXSettingItem
 : public QFrame
 {
   Q_OBJECT
+
 public:
   MMGXSettingItem(QWidget* parent);
   ~MMGXSettingItem() override = default;
diff --git a/src/ftinspect/panels/singular.cpp 
b/src/ftinspect/panels/singular.cpp
index 2cb2a20..188c0dc 100644
--- a/src/ftinspect/panels/singular.cpp
+++ b/src/ftinspect/panels/singular.cpp
@@ -9,8 +9,10 @@
 #include <QWheelEvent>
 
 
-SingularTab::SingularTab(QWidget* parent, Engine* engine)
-: QWidget(parent), engine_(engine),
+SingularTab::SingularTab(QWidget* parent,
+                         Engine* engine)
+: QWidget(parent),
+  engine_(engine),
   graphicsDefault_(GraphicsDefault::deafultInstance())
 {
   createLayout();
@@ -32,7 +34,7 @@ SingularTab::~SingularTab()
 void
 SingularTab::setGlyphIndex(int index)
 {
-  // only adjust current glyph index if we have a valid font
+  // Only adjust current glyph index if we have a valid font.
   if (currentGlyphCount_ <= 0)
     return;
 
@@ -40,7 +42,7 @@ SingularTab::setGlyphIndex(int index)
 
   QString upperHex = QString::number(currentGlyphIndex_, 16).toUpper();
   glyphIndexLabel_->setText(
-      QString("%1 (0x%2)").arg(currentGlyphIndex_).arg(upperHex));
+    QString("%1 (0x%2)").arg(currentGlyphIndex_).arg(upperHex));
   glyphNameLabel_->setText(engine_->glyphName(currentGlyphIndex_));
 
   drawGlyph();
@@ -50,7 +52,7 @@ SingularTab::setGlyphIndex(int index)
 void
 SingularTab::drawGlyph()
 {
-  // the call to `engine->loadOutline' updates FreeType's load flags
+  // The call to `engine->loadOutline' updates FreeType's load flags.
 
   if (!engine_)
     return;
@@ -97,18 +99,17 @@ SingularTab::drawGlyph()
   {
     if (showBitmapCheckBox_->isChecked())
     {
-      currentGlyphBitmapItem_
-        = new GlyphBitmap(currentGlyphIndex_, 
-                          glyph,
-                          engine_);
+      currentGlyphBitmapItem_ = new GlyphBitmap(currentGlyphIndex_,
+                                                glyph,
+                                                engine_);
       currentGlyphBitmapItem_->setZValue(-1);
       glyphScene_->addItem(currentGlyphBitmapItem_);
     }
 
     if (showOutlinesCheckBox_->isChecked())
     {
-      currentGlyphOutlineItem_ = new 
GlyphOutline(graphicsDefault_->outlinePen, 
-                                                  glyph);
+      currentGlyphOutlineItem_ =
+        new GlyphOutline(graphicsDefault_->outlinePen, glyph);
       currentGlyphOutlineItem_->setZValue(1);
       glyphScene_->addItem(currentGlyphOutlineItem_);
     }
@@ -165,9 +166,9 @@ SingularTab::zoom()
   QTransform transform;
   transform.scale(scale, scale);
 
-  // we want horizontal and vertical 1px lines displayed with full pixels;
+  // We want horizontal and vertical 1px lines displayed with full pixels;
   // we thus have to shift the coordinate system accordingly, using a value
-  // that represents 0.5px (i.e., half the 1px line width) after the scaling
+  // that represents 0.5px (i.e., half the 1px line width) after the scaling.
   qreal shift = 0.5 / scale;
   transform.translate(shift, shift);
 
@@ -254,7 +255,7 @@ SingularTab::resizeEvent(QResizeEvent* event)
 {
   QWidget::resizeEvent(event);
 
-  // Tricky part: when loading, this method will be called twice. Only at the
+  // Tricky part: when loading, this method will be called twice.  Only at the
   // second time the initial layouting is done, thus the result of `centerOn`
   // can be valid.
   // We want to only center the midpoint of the size when the program starts up
@@ -263,9 +264,9 @@ SingularTab::resizeEvent(QResizeEvent* event)
     return;
   initialPositionSetCount_--;
 
-  // The code below mainly:
-  // 1. Center the grid on the the center point of the ppem x ppem bbox.
-  // 2. Adjust the viewport zoom to fit the ppem x ppem bbox
+  // The code below does mainly the following:
+  // 1. Center the grid on the the center point of the x ppem bbox.
+  // 2. Adjust the viewport zoom to fit the x ppem bbox
   updateGeometry();
   auto size = sizeSelector_->selectedSize();
   auto unit = sizeSelector_->selectedUnit();
@@ -306,7 +307,7 @@ SingularTab::createLayout()
   gridItem_ = new Grid(glyphView_);
   glyphScene_->addItem(gridItem_);
 
-  // Don't use QGraphicsTextItem: We want this hint to be anchored at the
+  // Don't use `QGraphicsTextItem`: We want this hint to be anchored at the
   // top-left corner.
   auto overlayFont = font();
   overlayFont.setPixelSize(24);
@@ -343,15 +344,15 @@ SingularTab::createLayout()
   centerGridButton_->setToolTip(tr(
     "Move the viewport so the origin point is at the center of the view."));
   showBitmapCheckBox_->setToolTip(tr("Show glyph bitmap."));
-  showPointsCheckBox_->setToolTip(
-    tr("Show control points (only valid when the glyph is an outline 
glyph)."));
-  showPointNumbersCheckBox_->setToolTip(
-    tr("Show point numbers (only available when points are shown)."));
-  showOutlinesCheckBox_->setToolTip(tr("Show (vector) outline (only valid when 
"
-                                       "the glyph is an outline glyph)."));
+  showPointsCheckBox_->setToolTip(tr(
+    "Show control points (only valid when the glyph is an outline glyph)."));
+  showPointNumbersCheckBox_->setToolTip(tr(
+    "Show point numbers (only available when points are shown)."));
+  showOutlinesCheckBox_->setToolTip(tr(
+    "Show (vector) outline (only valid when the glyph is an outline glyph)."));
   showGridCheckBox_->setToolTip(tr("Show grid lines (x axis: baseline)."));
-  showBitmapCheckBox_->setToolTip(
-    tr("Show auxiliary lines (blue: y-advance; red: ascender/descender)."));
+  showBitmapCheckBox_->setToolTip(tr(
+    "Show auxiliary lines (blue: y-advance; red: ascender/descender)."));
   helpButton_->setToolTip(tr("View scroll help"));
 
   // Layouting
@@ -378,7 +379,7 @@ SingularTab::createLayout()
   glyphOverlayIndexLayout_ = new QHBoxLayout;
   glyphOverlayIndexLayout_->addWidget(glyphIndexLabel_);
   glyphOverlayIndexLayout_->addWidget(glyphNameLabel_);
-  glyphOverlayLayout_ = new QGridLayout; // use a grid layout to align
+  glyphOverlayLayout_ = new QGridLayout; // Use a grid layout to align.
   glyphOverlayLayout_->addLayout(glyphOverlayIndexLayout_, 0, 1,
                                  Qt::AlignTop | Qt::AlignRight);
   glyphView_->setLayout(glyphOverlayLayout_);
@@ -400,17 +401,17 @@ SingularTab::createConnections()
 {
   connect(sizeSelector_, &FontSizeSelector::valueChanged,
           this, &SingularTab::repaintGlyph);
-  connect(indexSelector_, &GlyphIndexSelector::currentIndexChanged, 
+  connect(indexSelector_, &GlyphIndexSelector::currentIndexChanged,
           this, &SingularTab::setGlyphIndex);
-  
-  connect(glyphView_, &QGraphicsViewx::shiftWheelEvent, 
+
+  connect(glyphView_, &QGraphicsViewx::shiftWheelEvent,
           this, &SingularTab::wheelResize);
-  connect(glyphView_, &QGraphicsViewx::ctrlWheelEvent, 
+  connect(glyphView_, &QGraphicsViewx::ctrlWheelEvent,
           this, &SingularTab::wheelZoom);
   // Use `updateGrid` to support infinite panning.
   connect(glyphView_->horizontalScrollBar(), &QScrollBar::valueChanged,
           this, &SingularTab::updateGrid);
-  connect(glyphView_->verticalScrollBar(), &QScrollBar::valueChanged, 
+  connect(glyphView_->verticalScrollBar(), &QScrollBar::valueChanged,
           this, &SingularTab::updateGrid);
 
   connect(centerGridButton_, &QPushButton::clicked,
@@ -420,7 +421,7 @@ SingularTab::createConnections()
 
   connect(showBitmapCheckBox_, &QCheckBox::clicked,
           this, &SingularTab::drawGlyph);
-  connect(showPointsCheckBox_, &QCheckBox::clicked, 
+  connect(showPointsCheckBox_, &QCheckBox::clicked,
           this, &SingularTab::checkShowPoints);
   connect(showPointNumbersCheckBox_, &QCheckBox::clicked,
           this, &SingularTab::drawGlyph);
@@ -463,7 +464,7 @@ SingularTab::setCurrentGlyphAndSize(int glyphIndex,
 {
   if (sizePoint >= 0)
     sizeSelector_->setSizePoint(sizePoint);
-  indexSelector_->setCurrentIndex(glyphIndex); // this will auto trigger update
+  indexSelector_->setCurrentIndex(glyphIndex); // This auto-triggers update.
 }
 
 
diff --git a/src/ftinspect/panels/singular.hpp 
b/src/ftinspect/panels/singular.hpp
index ffb9cc1..c0892d8 100644
--- a/src/ftinspect/panels/singular.hpp
+++ b/src/ftinspect/panels/singular.hpp
@@ -5,50 +5,55 @@
 #pragma once
 
 #include "abstracttab.hpp"
-#include "../widgets/customwidgets.hpp"
-#include "../widgets/glyphindexselector.hpp"
-#include "../widgets/fontsizeselector.hpp"
+#include "../engine/engine.hpp"
 #include "../glyphcomponents/glyphbitmap.hpp"
 #include "../glyphcomponents/glyphoutline.hpp"
 #include "../glyphcomponents/glyphpointnumbers.hpp"
 #include "../glyphcomponents/glyphpoints.hpp"
-#include "../glyphcomponents/grid.hpp"
 #include "../glyphcomponents/graphicsdefault.hpp"
-#include "../engine/engine.hpp"
+#include "../glyphcomponents/grid.hpp"
 #include "../models/customcomboboxmodels.hpp"
+#include "../widgets/customwidgets.hpp"
+#include "../widgets/glyphindexselector.hpp"
+#include "../widgets/fontsizeselector.hpp"
 
-#include <QWidget>
-#include <QPushButton>
-#include <QSpinBox>
+#include <QBoxLayout>
+#include <QCheckBox>
+#include <QComboBox>
 #include <QGraphicsScene>
 #include <QGraphicsView>
-#include <QScrollBar>
+#include <QGridLayout>
 #include <QLabel>
-#include <QComboBox>
 #include <QPen>
-#include <QCheckBox>
+#include <QPushButton>
+#include <QScrollBar>
+#include <QSpinBox>
 #include <QVector>
-#include <QGridLayout>
-#include <QBoxLayout>
+#include <QWidget>
+
 
 class SingularTab
-: public QWidget, public AbstractTab
+: public QWidget,
+  public AbstractTab
 {
   Q_OBJECT
+
 public:
-  SingularTab(QWidget* parent, Engine* engine);
+  SingularTab(QWidget* parent,
+              Engine* engine);
   ~SingularTab() override;
 
   void repaintGlyph() override;
   void reloadFont() override;
-  // when sizePoint <= 0, the size remains unchanged.
-  void setCurrentGlyphAndSize(int glyphIndex, double sizePoint);
+  // The size remains unchanged if `sizePoint` <= 0.
+  void setCurrentGlyphAndSize(int glyphIndex,
+                              double sizePoint);
   int currentGlyph();
 
 private slots:
   void setGlyphIndex(int);
   void drawGlyph();
-  
+
   void checkShowPoints();
 
   void zoom();
@@ -59,7 +64,8 @@ private slots:
   void showToolTip();
 
 protected:
-  bool eventFilter(QObject* watched, QEvent* event) override;
+  bool eventFilter(QObject* watched,
+                   QEvent* event) override;
   void resizeEvent(QResizeEvent* event) override;
 
 private:
@@ -101,14 +107,15 @@ private:
 
   GraphicsDefault* graphicsDefault_;
 
-  int initialPositionSetCount_ = 2; // see `resizeEvent`
+  int initialPositionSetCount_ = 2; // See `resizeEvent`.
 
   void createLayout();
   void createConnections();
-  
+
   void updateGrid();
   void applySettings();
   void setDefaults();
 };
 
+
 // end of singular.hpp



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