From 581b9e42b32a50efb07e46db57f4abc81ff6f73b Mon Sep 17 00:00:00 2001
From: Dzmitry Neviadomski <nevack.d@gmail.com>
Date: Fri, 8 Jan 2021 08:25:30 +0300
Subject: [PATCH] Use SF Symbols in Preferences on Big Sur.

And refactoring of Preference Window.
---
 .../General/Base.lproj/Preferences.xib        | 221 +++++++++---------
 Preferences/General/GeneralPreferencePane.h   |  17 +-
 Preferences/General/GeneralPreferencePane.m   |  70 +++---
 .../General/GeneralPreferencesPlugin.h        |  19 +-
 .../General/GeneralPreferencesPlugin.m        |  61 +++--
 Preferences/General/HotKeyPane.m              |   4 +-
 Preferences/General/MIDIPane.m                |  12 +-
 Preferences/General/OutputPane.m              |   4 +-
 Preferences/PreferencePanePlugin.h            |  21 +-
 Preferences/PreferencesController.m           |  14 +-
 Preferences/PreferencesWindow.h               |  18 +-
 Preferences/PreferencesWindow.m               | 204 ++++++++--------
 12 files changed, 341 insertions(+), 324 deletions(-)

diff --git a/Preferences/General/Base.lproj/Preferences.xib b/Preferences/General/Base.lproj/Preferences.xib
index 59a8d00b3..d9314062d 100644
--- a/Preferences/General/Base.lproj/Preferences.xib
+++ b/Preferences/General/Base.lproj/Preferences.xib
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="15400" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES">
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="17701" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES">
     <dependencies>
         <deployment identifier="macosx"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="15400"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="17701"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
@@ -13,6 +13,7 @@
                 <outlet property="hotKeyPane" destination="6" id="14"/>
                 <outlet property="iTunesStyleCheck" destination="AIz-WH-Wqk" id="2n1-pY-cZR"/>
                 <outlet property="midiPane" destination="i5B-ga-Atm" id="rbe-uK-5n2"/>
+                <outlet property="notificationsView" destination="U4w-jw-ca5" id="wVJ-GH-A21"/>
                 <outlet property="outputPane" destination="57" id="75"/>
                 <outlet property="playlistView" destination="231" id="244"/>
                 <outlet property="scrobblerView" destination="0nK-XQ-5MY" id="dFj-Pk-FCG"/>
@@ -21,6 +22,95 @@
         </customObject>
         <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
         <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <customView id="231" userLabel="PlaylistView">
+            <rect key="frame" x="0.0" y="0.0" width="530" height="139"/>
+            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+            <subviews>
+                <button fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="310">
+                    <rect key="frame" x="18" y="35" width="395" height="18"/>
+                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                    <buttonCell key="cell" type="check" title="Read CUE sheets when adding folders to playlist" bezelStyle="regularSquare" imagePosition="left" alignment="left" state="on" inset="2" id="311">
+                        <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
+                        <font key="font" metaFont="system"/>
+                    </buttonCell>
+                    <connections>
+                        <binding destination="52" name="value" keyPath="values.readCueSheetsInFolders" id="328"/>
+                    </connections>
+                </button>
+                <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" fixedFrame="YES" allowsCharacterPickerTouchBarItem="YES" translatesAutoresizingMaskIntoConstraints="NO" id="261">
+                    <rect key="frame" x="17" y="59" width="138" height="35"/>
+                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                    <textFieldCell key="cell" sendsActionOnEndEditing="YES" alignment="left" title="When opening file with ⇧ or ⌃⌘ held:" id="262">
+                        <font key="font" metaFont="system"/>
+                        <color key="textColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
+                        <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
+                    </textFieldCell>
+                </textField>
+                <textField verticalHuggingPriority="750" fixedFrame="YES" allowsCharacterPickerTouchBarItem="YES" translatesAutoresizingMaskIntoConstraints="NO" id="259">
+                    <rect key="frame" x="17" y="102" width="129" height="17"/>
+                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                    <textFieldCell key="cell" lineBreakMode="clipping" sendsActionOnEndEditing="YES" title="When opening files:" id="260">
+                        <font key="font" metaFont="system"/>
+                        <color key="textColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
+                        <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
+                    </textFieldCell>
+                </textField>
+                <popUpButton verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="253">
+                    <rect key="frame" x="157" y="63" width="257" height="26"/>
+                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                    <popUpButtonCell key="cell" type="push" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" borderStyle="borderAndBezel" inset="2" id="254">
+                        <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
+                        <font key="font" metaFont="menu"/>
+                        <menu key="menu" title="OtherViews" id="255">
+                            <items>
+                                <menuItem title="Item 1" id="256"/>
+                                <menuItem title="Item 2" id="257"/>
+                                <menuItem title="Item 3" id="258"/>
+                            </items>
+                        </menu>
+                    </popUpButtonCell>
+                    <connections>
+                        <binding destination="246" name="content" keyPath="arrangedObjects" id="264"/>
+                        <binding destination="246" name="contentValues" keyPath="arrangedObjects.name" previousBinding="307" id="308"/>
+                        <binding destination="246" name="contentObjects" keyPath="arrangedObjects.preference" previousBinding="264" id="307"/>
+                        <binding destination="52" name="selectedObject" keyPath="values.openingFilesAlteredBehavior" previousBinding="308" id="309"/>
+                    </connections>
+                </popUpButton>
+                <popUpButton verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="247">
+                    <rect key="frame" x="157" y="95" width="257" height="26"/>
+                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                    <popUpButtonCell key="cell" type="push" title="Item 1" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" inset="2" selectedItem="250" id="248">
+                        <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
+                        <font key="font" metaFont="menu"/>
+                        <menu key="menu" title="OtherViews" id="249">
+                            <items>
+                                <menuItem title="Item 1" state="on" id="250"/>
+                                <menuItem title="Item 2" id="251"/>
+                                <menuItem title="Item 3" id="252"/>
+                            </items>
+                        </menu>
+                    </popUpButtonCell>
+                    <connections>
+                        <binding destination="246" name="content" keyPath="arrangedObjects" id="263"/>
+                        <binding destination="246" name="contentValues" keyPath="arrangedObjects.name" previousBinding="304" id="305"/>
+                        <binding destination="246" name="contentObjects" keyPath="arrangedObjects.preference" previousBinding="263" id="304"/>
+                        <binding destination="52" name="selectedObject" keyPath="values.openingFilesBehavior" previousBinding="305" id="306"/>
+                    </connections>
+                </popUpButton>
+                <button fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="6QS-GF-Vnc">
+                    <rect key="frame" x="18" y="15" width="388" height="18"/>
+                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                    <buttonCell key="cell" type="check" title="Resume playback on startup" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="fUg-Cg-gXa">
+                        <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
+                        <font key="font" metaFont="system"/>
+                    </buttonCell>
+                    <connections>
+                        <binding destination="52" name="value" keyPath="values.resumePlaybackOnStartup" id="8OB-tj-Hd0"/>
+                    </connections>
+                </button>
+            </subviews>
+            <point key="canvasLocation" x="-151" y="-239"/>
+        </customView>
         <customObject id="6" userLabel="HotKeyPane" customClass="HotKeyPane">
             <connections>
                 <outlet property="nextHotKeyControl" destination="28" id="36"/>
@@ -31,7 +121,7 @@
             </connections>
         </customObject>
         <customView id="11" userLabel="HotKeyView">
-            <rect key="frame" x="0.0" y="0.0" width="500" height="131"/>
+            <rect key="frame" x="0.0" y="0.0" width="530" height="131"/>
             <autoresizingMask key="autoresizingMask"/>
             <subviews>
                 <textField verticalHuggingPriority="750" fixedFrame="YES" allowsCharacterPickerTouchBarItem="YES" translatesAutoresizingMaskIntoConstraints="NO" id="28" customClass="HotKeyControl">
@@ -119,10 +209,10 @@
                     </textFieldCell>
                 </textField>
             </subviews>
-            <point key="canvasLocation" x="123" y="139"/>
+            <point key="canvasLocation" x="-151" y="-33"/>
         </customView>
         <customView id="50" userLabel="UpdatesView">
-            <rect key="frame" x="0.0" y="0.0" width="500" height="82"/>
+            <rect key="frame" x="0.0" y="0.0" width="530" height="82"/>
             <autoresizingMask key="autoresizingMask"/>
             <subviews>
                 <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" fixedFrame="YES" allowsCharacterPickerTouchBarItem="YES" translatesAutoresizingMaskIntoConstraints="NO" id="111">
@@ -139,7 +229,7 @@
                     <autoresizingMask key="autoresizingMask"/>
                     <popUpButtonCell key="cell" type="push" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" borderStyle="borderAndBezel" inset="2" arrowPosition="arrowAtCenter" preferredEdge="maxY" id="208">
                         <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
-                        <font key="font" metaFont="system"/>
+                        <font key="font" metaFont="menu"/>
                         <menu key="menu" title="OtherViews" id="107">
                             <items>
                                 <menuItem title="Stable" id="108"/>
@@ -167,6 +257,7 @@
                     </connections>
                 </button>
             </subviews>
+            <point key="canvasLocation" x="-151" y="153"/>
         </customView>
         <userDefaultsController representsSharedInstance="YES" id="52" userLabel="Shared Defaults"/>
         <customObject id="57" userLabel="OutputPane" customClass="OutputPane">
@@ -176,7 +267,7 @@
             </connections>
         </customObject>
         <customView id="58" userLabel="OutputView">
-            <rect key="frame" x="0.0" y="0.0" width="500" height="103"/>
+            <rect key="frame" x="0.0" y="0.0" width="530" height="103"/>
             <autoresizingMask key="autoresizingMask"/>
             <subviews>
                 <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" fixedFrame="YES" allowsCharacterPickerTouchBarItem="YES" translatesAutoresizingMaskIntoConstraints="NO" id="65">
@@ -193,7 +284,7 @@
                     <autoresizingMask key="autoresizingMask"/>
                     <popUpButtonCell key="cell" type="push" title="Item1" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" inset="2" arrowPosition="arrowAtCenter" preferredEdge="maxY" selectedItem="62" id="210">
                         <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
-                        <font key="font" metaFont="system"/>
+                        <font key="font" metaFont="menu"/>
                         <menu key="menu" title="OtherViews" id="61">
                             <items>
                                 <menuItem title="Item1" state="on" id="62"/>
@@ -223,7 +314,7 @@
                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                     <popUpButtonCell key="cell" type="push" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" id="vmS-eb-zen">
                         <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
-                        <font key="font" metaFont="system"/>
+                        <font key="font" metaFont="menu"/>
                         <menu key="menu" title="OtherViews" id="V8o-Xy-HUW">
                             <items>
                                 <menuItem title="Item 1" id="oWh-lD-mFH"/>
@@ -240,6 +331,7 @@
                     </connections>
                 </popUpButton>
             </subviews>
+            <point key="canvasLocation" x="-151" y="322"/>
         </customView>
         <customObject id="i5B-ga-Atm" userLabel="MIDIPane" customClass="MIDIPane">
             <connections>
@@ -273,7 +365,7 @@
             </declaredKeys>
         </arrayController>
         <customView id="0nK-XQ-5MY" userLabel="ScrobblerView">
-            <rect key="frame" x="0.0" y="0.0" width="500" height="94"/>
+            <rect key="frame" x="0.0" y="0.0" width="530" height="94"/>
             <autoresizingMask key="autoresizingMask"/>
             <subviews>
                 <button fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="3gi-0d-78Z">
@@ -310,98 +402,10 @@
                     </connections>
                 </button>
             </subviews>
+            <point key="canvasLocation" x="450" y="-262"/>
         </customView>
-        <customView id="231" userLabel="PlaylistView">
-            <rect key="frame" x="0.0" y="0.0" width="500" height="139"/>
-            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-            <subviews>
-                <button fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="310">
-                    <rect key="frame" x="18" y="35" width="395" height="18"/>
-                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-                    <buttonCell key="cell" type="check" title="Read CUE sheets when adding folders to playlist" bezelStyle="regularSquare" imagePosition="left" alignment="left" state="on" inset="2" id="311">
-                        <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
-                        <font key="font" metaFont="system"/>
-                    </buttonCell>
-                    <connections>
-                        <binding destination="52" name="value" keyPath="values.readCueSheetsInFolders" id="328"/>
-                    </connections>
-                </button>
-                <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" fixedFrame="YES" allowsCharacterPickerTouchBarItem="YES" translatesAutoresizingMaskIntoConstraints="NO" id="261">
-                    <rect key="frame" x="17" y="59" width="138" height="35"/>
-                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-                    <textFieldCell key="cell" sendsActionOnEndEditing="YES" alignment="left" title="When opening file with ⇧ or ⌃⌘ held:" id="262">
-                        <font key="font" metaFont="system"/>
-                        <color key="textColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
-                        <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
-                    </textFieldCell>
-                </textField>
-                <textField verticalHuggingPriority="750" fixedFrame="YES" allowsCharacterPickerTouchBarItem="YES" translatesAutoresizingMaskIntoConstraints="NO" id="259">
-                    <rect key="frame" x="17" y="102" width="129" height="17"/>
-                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-                    <textFieldCell key="cell" lineBreakMode="clipping" sendsActionOnEndEditing="YES" title="When opening files:" id="260">
-                        <font key="font" metaFont="system"/>
-                        <color key="textColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
-                        <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
-                    </textFieldCell>
-                </textField>
-                <popUpButton verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="253">
-                    <rect key="frame" x="157" y="63" width="257" height="26"/>
-                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-                    <popUpButtonCell key="cell" type="push" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" borderStyle="borderAndBezel" inset="2" id="254">
-                        <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
-                        <font key="font" metaFont="system"/>
-                        <menu key="menu" title="OtherViews" id="255">
-                            <items>
-                                <menuItem title="Item 1" id="256"/>
-                                <menuItem title="Item 2" id="257"/>
-                                <menuItem title="Item 3" id="258"/>
-                            </items>
-                        </menu>
-                    </popUpButtonCell>
-                    <connections>
-                        <binding destination="246" name="content" keyPath="arrangedObjects" id="264"/>
-                        <binding destination="246" name="contentValues" keyPath="arrangedObjects.name" previousBinding="307" id="308"/>
-                        <binding destination="246" name="contentObjects" keyPath="arrangedObjects.preference" previousBinding="264" id="307"/>
-                        <binding destination="52" name="selectedObject" keyPath="values.openingFilesAlteredBehavior" previousBinding="308" id="309"/>
-                    </connections>
-                </popUpButton>
-                <popUpButton verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="247">
-                    <rect key="frame" x="157" y="95" width="257" height="26"/>
-                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-                    <popUpButtonCell key="cell" type="push" title="Item 1" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" inset="2" selectedItem="250" id="248">
-                        <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
-                        <font key="font" metaFont="system"/>
-                        <menu key="menu" title="OtherViews" id="249">
-                            <items>
-                                <menuItem title="Item 1" state="on" id="250"/>
-                                <menuItem title="Item 2" id="251"/>
-                                <menuItem title="Item 3" id="252"/>
-                            </items>
-                        </menu>
-                    </popUpButtonCell>
-                    <connections>
-                        <binding destination="246" name="content" keyPath="arrangedObjects" id="263"/>
-                        <binding destination="246" name="contentValues" keyPath="arrangedObjects.name" previousBinding="304" id="305"/>
-                        <binding destination="246" name="contentObjects" keyPath="arrangedObjects.preference" previousBinding="263" id="304"/>
-                        <binding destination="52" name="selectedObject" keyPath="values.openingFilesBehavior" previousBinding="305" id="306"/>
-                    </connections>
-                </popUpButton>
-                <button fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="6QS-GF-Vnc">
-                    <rect key="frame" x="18" y="15" width="388" height="18"/>
-                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-                    <buttonCell key="cell" type="check" title="Resume playback on startup" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="fUg-Cg-gXa">
-                        <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
-                        <font key="font" metaFont="system"/>
-                    </buttonCell>
-                    <connections>
-                        <binding destination="52" name="value" keyPath="values.resumePlaybackOnStartup" id="8OB-tj-Hd0"/>
-                    </connections>
-                </button>
-            </subviews>
-            <point key="canvasLocation" x="-78" y="-31.5"/>
-        </customView>
-        <customView id="U4w-jw-ca5" userLabel="GrowlView">
-            <rect key="frame" x="0.0" y="0.0" width="500" height="94"/>
+        <customView id="U4w-jw-ca5" userLabel="NotificationsView">
+            <rect key="frame" x="0.0" y="0.0" width="530" height="94"/>
             <autoresizingMask key="autoresizingMask"/>
             <subviews>
                 <button fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="njn-Xl-9k9">
@@ -438,10 +442,10 @@
                     </connections>
                 </button>
             </subviews>
-            <point key="canvasLocation" x="348" y="132"/>
+            <point key="canvasLocation" x="450" y="-52"/>
         </customView>
         <customView id="CgN-sy-RmM" userLabel="AppearanceView">
-            <rect key="frame" x="0.0" y="0.0" width="500" height="54"/>
+            <rect key="frame" x="0.0" y="0.0" width="530" height="54"/>
             <autoresizingMask key="autoresizingMask"/>
             <subviews>
                 <button fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="haX-dq-OIe">
@@ -456,9 +460,10 @@
                     </connections>
                 </button>
             </subviews>
+            <point key="canvasLocation" x="450" y="139"/>
         </customView>
         <customView wantsLayer="YES" id="JXu-ar-J3Y" userLabel="MIDIView">
-            <rect key="frame" x="0.0" y="0.0" width="500" height="137"/>
+            <rect key="frame" x="0.0" y="0.0" width="530" height="137"/>
             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
             <subviews>
                 <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="SBO-WF-DVS" userLabel="Push Button - Select a SoundFont">
@@ -521,7 +526,7 @@
                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                     <popUpButtonCell key="cell" type="push" title="Item 1" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="vaQ-pZ-jXy" id="xcv-1b-kTI">
                         <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
-                        <font key="font" metaFont="system"/>
+                        <font key="font" metaFont="menu"/>
                         <menu key="menu" id="pRc-b6-sMR">
                             <items>
                                 <menuItem title="Item 1" state="on" id="vaQ-pZ-jXy"/>
@@ -551,7 +556,7 @@
                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                     <popUpButtonCell key="cell" type="push" title="Item 1" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" enabled="NO" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" autoenablesItems="NO" altersStateOfSelectedItem="NO" selectedItem="XzK-h2-vIT" id="qzt-Ox-taI">
                         <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
-                        <font key="font" metaFont="system"/>
+                        <font key="font" metaFont="menu"/>
                         <menu key="menu" autoenablesItems="NO" id="q1g-E5-NwQ">
                             <items>
                                 <menuItem title="Item 1" id="XzK-h2-vIT"/>
@@ -577,7 +582,7 @@
                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                     <popUpButtonCell key="cell" type="push" title="Item 1" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="3Gx-cs-3B0" id="5q7-83-7V6">
                         <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
-                        <font key="font" metaFont="system"/>
+                        <font key="font" metaFont="menu"/>
                         <menu key="menu" title="OtherViews" id="HKM-FW-dhH">
                             <items>
                                 <menuItem title="Item 1" state="on" id="3Gx-cs-3B0"/>
@@ -594,7 +599,7 @@
                     </connections>
                 </popUpButton>
             </subviews>
-            <point key="canvasLocation" x="340" y="567.5"/>
+            <point key="canvasLocation" x="450" y="339"/>
         </customView>
         <arrayController objectClassName="NSDictionary" editable="NO" id="JB6-r9-XpG" userLabel="ResamplerBehavior" customClass="ResamplerBehaviorArrayController">
             <declaredKeys>
diff --git a/Preferences/General/GeneralPreferencePane.h b/Preferences/General/GeneralPreferencePane.h
index c20b30e50..f6c35c167 100644
--- a/Preferences/General/GeneralPreferencePane.h
+++ b/Preferences/General/GeneralPreferencePane.h
@@ -10,16 +10,17 @@
 #import "PreferencePanePlugin.h"
 
 @interface GeneralPreferencePane : NSObject <PreferencePane> {
-	IBOutlet NSView *view;
-	
-	NSString *title;
-	NSImage *icon;
+    IBOutlet NSView *view;
 }
 
-+ (GeneralPreferencePane *)preferencePaneWithView:(NSView *)v title:(NSString *)t iconNamed:(NSString *)i;
++ (instancetype)preferencePaneWithView:(NSView *)view
+                                 title:(NSString *)title
+                        systemIconName:(NSString *)systemIconName
+                        orOldIconNamed:(NSString *)oldIconName;
 
-- (void)setView:(NSView *)v;
-- (void)setTitle:(NSString *)t;
-- (void)setIcon:(NSImage *)i;
+- (instancetype) init NS_UNAVAILABLE;
+- (instancetype) initWithView:(NSView *)contentView
+                        title:(NSString *)title
+                         icon:(NSImage *)image NS_DESIGNATED_INITIALIZER;
 
 @end
diff --git a/Preferences/General/GeneralPreferencePane.m b/Preferences/General/GeneralPreferencePane.m
index 2ddcc8d97..4d46ad5f9 100644
--- a/Preferences/General/GeneralPreferencePane.m
+++ b/Preferences/General/GeneralPreferencePane.m
@@ -11,49 +11,39 @@
 
 @implementation GeneralPreferencePane
 
-+ (GeneralPreferencePane *)preferencePaneWithView:(NSView *)v title:(NSString *)t iconNamed:(NSString *)n
-{
-	GeneralPreferencePane *pane = [[GeneralPreferencePane alloc] init];
-	if (pane)
-	{
-		[pane setView:v];
-		[pane setTitle:t];
+@synthesize title = _title;
+@synthesize icon = _icon;
+@synthesize view;
 
-		NSImage *i = [[NSImage alloc] initWithContentsOfFile:[[NSBundle bundleForClass:[self class]] pathForImageResource:n]];
-		[pane setIcon:i];
-	}
-	
-	return pane;
++ (instancetype)preferencePaneWithView:(NSView *)view
+                                 title:(NSString *)title
+                        systemIconName:(NSString *)systemIconName
+                        orOldIconNamed:(NSString *)oldIconName
+{
+    NSImage *icon;
+    if (@available(macOS 11.0, *))
+    {
+        if (systemIconName)
+            icon = [NSImage imageWithSystemSymbolName:systemIconName accessibilityDescription:nil];
+    }
+    if (icon == nil)
+    {
+        NSString *file = [[NSBundle bundleForClass:[self class]] pathForImageResource:oldIconName];
+        icon = [[NSImage alloc] initWithContentsOfFile:file];
+    }
+
+    return [[GeneralPreferencePane alloc] initWithView:view title:title icon:icon];
 }
 
-- (NSView *)view
-{
-	return view;
-}
-
-- (NSString *)title
-{
-	return title;
-}
-
-- (NSImage *)icon
-{
-	return icon;
-}
-
-- (void)setView:(NSView *)v
-{
-	view = v;
-}
-
-- (void)setTitle:(NSString *)t
-{
-	title = t;
-}
-
-- (void)setIcon:(NSImage *)i
-{
-    icon = i;
+- (instancetype)initWithView:(NSView *)contentView title:(NSString *)title icon:(NSImage *)image {
+    self = [[[self class] alloc] init];
+    if (self)
+    {
+        view = contentView;
+        _title = title;
+        _icon = image;
+    }
+    return self;
 }
 
 @end
diff --git a/Preferences/General/GeneralPreferencesPlugin.h b/Preferences/General/GeneralPreferencesPlugin.h
index 9b31123aa..69a0e39d2 100644
--- a/Preferences/General/GeneralPreferencesPlugin.h
+++ b/Preferences/General/GeneralPreferencesPlugin.h
@@ -15,17 +15,16 @@
 #import "MIDIPane.h"
 
 @interface GeneralPreferencesPlugin : NSObject <PreferencePanePlugin> {
-	IBOutlet HotKeyPane *hotKeyPane;
-	IBOutlet OutputPane *outputPane;
+    IBOutlet HotKeyPane *hotKeyPane;
+    IBOutlet OutputPane *outputPane;
     IBOutlet MIDIPane *midiPane;
-	
-	IBOutlet NSView *playlistView;
-	IBOutlet NSView *scrobblerView;
-	IBOutlet NSView *updatesView;
-    IBOutlet NSView *growlView;
-    IBOutlet NSView *appearanceView;
-    IBOutlet NSView *midiView;
 
+    IBOutlet NSView *playlistView;
+    IBOutlet NSView *scrobblerView;
+    IBOutlet NSView *updatesView;
+    IBOutlet NSView *notificationsView;
+    IBOutlet NSView *appearanceView;
+    
     __weak IBOutlet NSButton *iTunesStyleCheck;
 }
 
@@ -36,7 +35,7 @@
 - (GeneralPreferencePane *)updatesPane;
 - (GeneralPreferencePane *)scrobblerPane;
 - (GeneralPreferencePane *)playlistPane;
-- (GeneralPreferencePane *)growlPane;
+- (GeneralPreferencePane *)notificationsPane;
 - (GeneralPreferencePane *)appearancePane;
 
 
diff --git a/Preferences/General/GeneralPreferencesPlugin.m b/Preferences/General/GeneralPreferencesPlugin.m
index ce2bf6058..3f2a6af93 100644
--- a/Preferences/General/GeneralPreferencesPlugin.m
+++ b/Preferences/General/GeneralPreferencesPlugin.m
@@ -25,28 +25,28 @@
 + (NSArray *)preferencePanes
 {
 	GeneralPreferencesPlugin *plugin = [[GeneralPreferencesPlugin alloc] init];
-	[NSBundle loadNibNamed:@"Preferences" owner:plugin];
-	
-	return [NSArray arrayWithObjects:
-			[plugin playlistPane],
-			[plugin hotKeyPane],
-			[plugin updatesPane],
-			[plugin outputPane],
-			[plugin scrobblerPane],
-            [plugin growlPane],
-            [plugin appearancePane],
-            [plugin midiPane],
-			nil];
-}	
+	[[NSBundle bundleWithIdentifier:@"org.cogx.cog.preferences"] loadNibNamed:@"Preferences"
+                                                                        owner:plugin
+                                                              topLevelObjects:nil];
+
+    return @[[plugin playlistPane],
+             [plugin hotKeyPane],
+             [plugin updatesPane],
+             [plugin outputPane],
+             [plugin scrobblerPane],
+             [plugin notificationsPane],
+             [plugin appearancePane],
+             [plugin midiPane]];
+}
 
 - (HotKeyPane *)hotKeyPane
 {
-	return hotKeyPane;
+    return hotKeyPane;
 }
 
 - (OutputPane *)outputPane
 {
-	return outputPane;
+    return outputPane;
 }
 
 - (MIDIPane *)midiPane
@@ -56,36 +56,51 @@
 
 - (GeneralPreferencePane *)updatesPane
 {
-	return [GeneralPreferencePane preferencePaneWithView:updatesView title:NSLocalizedStringFromTableInBundle(@"Updates", nil, [NSBundle bundleForClass:[self class]], @"")  iconNamed:@"updates"];
+    return [GeneralPreferencePane preferencePaneWithView:updatesView
+                                                   title:NSLocalizedPrefString(@"Updates")
+                                          systemIconName:@"arrow.triangle.2.circlepath.circle.fill"
+                                          orOldIconNamed:@"updates"];
 }
 
 - (GeneralPreferencePane *)scrobblerPane
 {
-	return [GeneralPreferencePane preferencePaneWithView:scrobblerView title:NSLocalizedStringFromTableInBundle(@"Last.fm", nil, [NSBundle bundleForClass:[self class]], @"")  iconNamed:@"lastfm"];
+    return [GeneralPreferencePane preferencePaneWithView:scrobblerView
+                                                   title:NSLocalizedPrefString(@"Scrobble")
+                                          systemIconName:@"dot.radiowaves.left.and.right"
+                                          orOldIconNamed:@"lastfm"];
 }
 
 - (GeneralPreferencePane *)playlistPane
 {
-	return [GeneralPreferencePane preferencePaneWithView:playlistView title:NSLocalizedStringFromTableInBundle(@"Playlist", nil, [NSBundle bundleForClass:[self class]], @"")  iconNamed:@"playlist"];
+    return [GeneralPreferencePane preferencePaneWithView:playlistView
+                                                   title:NSLocalizedPrefString(@"Playlist")
+                                          systemIconName:@"music.note.list"
+                                          orOldIconNamed:@"playlist"];
 }
 
-- (GeneralPreferencePane *)growlPane
+- (GeneralPreferencePane *)notificationsPane
 {
     if (@available(macOS 10.14, *)) {
         if (iTunesStyleCheck) {
             iTunesStyleCheck.hidden = YES;
-            NSSize size = growlView.frame.size;
+            NSSize size = notificationsView.frame.size;
             size.height -= 18;
-            [growlView setFrameSize:size];
+            [notificationsView setFrameSize:size];
         }
     }
 
-    return [GeneralPreferencePane preferencePaneWithView:growlView title:NSLocalizedStringFromTableInBundle(@"Growl", nil, [NSBundle bundleForClass:[self class]], @"")  iconNamed:@"growl"];
+    return [GeneralPreferencePane preferencePaneWithView:notificationsView
+                                                   title:NSLocalizedPrefString(@"Notifications")
+                                          systemIconName:@"bell.fill"
+                                          orOldIconNamed:@"growl"];
 }
 
 - (GeneralPreferencePane *)appearancePane
 {
-    return [GeneralPreferencePane preferencePaneWithView:appearanceView title:NSLocalizedStringFromTableInBundle(@"Appearance", nil, [NSBundle bundleForClass:[self class]], @"")  iconNamed:@"appearance"];
+    return [GeneralPreferencePane preferencePaneWithView:appearanceView
+                                                   title:NSLocalizedPrefString(@"Appearance")
+                                          systemIconName:@"paintpalette.fill"
+                                          orOldIconNamed:@"appearance"];
 }
 
 @end
diff --git a/Preferences/General/HotKeyPane.m b/Preferences/General/HotKeyPane.m
index 2ca77717f..62ff24f99 100644
--- a/Preferences/General/HotKeyPane.m
+++ b/Preferences/General/HotKeyPane.m
@@ -31,11 +31,13 @@ static void setControlText(HotKeyControl* control, NSString* kcprop, NSString* m
 
 - (NSString *)title
 {
-    return NSLocalizedStringFromTableInBundle(@"Hot Keys", nil, [NSBundle bundleForClass:[self class]], @"");
+    return NSLocalizedPrefString(@"Hot Keys");
 }
 
 - (NSImage *)icon
 {
+    if (@available(macOS 11.0, *))
+        return [NSImage imageWithSystemSymbolName:@"keyboard" accessibilityDescription:nil];
     return [[NSImage alloc] initWithContentsOfFile:[[NSBundle bundleForClass:[self class]] pathForImageResource:@"hot_keys"]];
 }
 
diff --git a/Preferences/General/MIDIPane.m b/Preferences/General/MIDIPane.m
index 0a9cdc38f..ddd610f66 100644
--- a/Preferences/General/MIDIPane.m
+++ b/Preferences/General/MIDIPane.m
@@ -12,17 +12,19 @@
 
 - (NSString *)title
 {
-	return NSLocalizedStringFromTableInBundle(@"Synthesis", nil, [NSBundle bundleForClass:[self class]], @"");
+	return NSLocalizedPrefString(@"Synthesis");
 }
 
 - (NSImage *)icon
 {
+    if (@available(macOS 11.0, *))
+        return [NSImage imageWithSystemSymbolName:@"pianokeys" accessibilityDescription:nil];
 	return [[NSImage alloc] initWithContentsOfFile:[[NSBundle bundleForClass:[self class]] pathForImageResource:@"midi"]];
 }
 
 - (IBAction)setSoundFont:(id)sender
 {
-    NSArray *fileTypes = [NSArray arrayWithObjects:@"sf2",@"sf2pack",@"sflist",@"json",nil];
+    NSArray *fileTypes = @[@"sf2", @"sf2pack", @"sflist", @"json"];
     NSOpenPanel * panel = [NSOpenPanel openPanel];
     [panel setAllowsMultipleSelection:NO];
     [panel setCanChooseDirectories:NO];
@@ -42,10 +44,8 @@
 - (IBAction)setMidiPlugin:(id)sender
 {
     NSString * plugin = [[NSUserDefaults standardUserDefaults] stringForKey:@"midi.plugin"];
-    if ([plugin isEqualToString:@"Sc55rolD"] || [plugin isEqualToString:@"Sc55RoCl"])
-        [midiFlavorControl setEnabled:YES];
-    else
-        [midiFlavorControl setEnabled:NO];
+    BOOL enabled = [plugin isEqualToString:@"Sc55rolD"] || [plugin isEqualToString:@"Sc55RoCl"];
+    [midiFlavorControl setEnabled:enabled];
 }
 
 @end
diff --git a/Preferences/General/OutputPane.m b/Preferences/General/OutputPane.m
index 41c660f04..6eccc528b 100644
--- a/Preferences/General/OutputPane.m
+++ b/Preferences/General/OutputPane.m
@@ -13,11 +13,13 @@
 
 - (NSString *)title
 {
-	return NSLocalizedStringFromTableInBundle(@"Output", nil, [NSBundle bundleForClass:[self class]], @"");
+	return NSLocalizedPrefString(@"Output");
 }
 
 - (NSImage *)icon
 {
+	if (@available(macOS 11.0, *))
+		return [NSImage imageWithSystemSymbolName:@"hifispeaker.2.fill" accessibilityDescription:nil];
 	return [[NSImage alloc] initWithContentsOfFile:[[NSBundle bundleForClass:[self class]] pathForImageResource:@"output"]];
 }
 
diff --git a/Preferences/PreferencePanePlugin.h b/Preferences/PreferencePanePlugin.h
index 39cd538c4..881a8e0c6 100644
--- a/Preferences/PreferencePanePlugin.h
+++ b/Preferences/PreferencePanePlugin.h
@@ -8,20 +8,21 @@
 
 #import <Cocoa/Cocoa.h>
 
+#define NSLocalizedPrefString(key) \
+        [[NSBundle bundleWithIdentifier:@"org.cogx.cog.preferences"] localizedStringForKey:(key) value:@"" table:nil]
+
+@protocol PreferencePane <NSObject>
+@required
+@property(readonly) NSView *view;
+@property(readonly, copy) NSString *title;
+@property(readonly) NSImage *icon;
+
+@end
 
 @protocol PreferencePanePlugin <NSObject> 
 @required
 
 // An array of PrefPaneController instances that the plugin has available
-+ (NSArray *)preferencePanes;
-
-@end
-
-@protocol PreferencePane <NSObject>
-@required
-
-- (NSView *)view;
-- (NSString *)title;
-- (NSImage *)icon;
++ (NSArray<id<PreferencePane>> *)preferencePanes;
 
 @end
diff --git a/Preferences/PreferencesController.m b/Preferences/PreferencesController.m
index 3b15e5e18..c594eec06 100644
--- a/Preferences/PreferencesController.m
+++ b/Preferences/PreferencesController.m
@@ -17,17 +17,13 @@
     if (nil == window) {
         // Determine path to the sample preference panes
         NSString *pluginPath = [[NSBundle mainBundle] pathForResource:@"General" ofType:@"preferencePane"];
-		NSBundle *bundle = [NSBundle bundleWithPath:pluginPath];
+        NSBundle *bundle = [NSBundle bundleWithPath:pluginPath];
 
-        
-		PreferencePluginController *pluginController = [[PreferencePluginController alloc] initWithPlugins:[NSArray arrayWithObject:bundle]];
-		
-		window = [[PreferencesWindow alloc] initWithPreferencePanes:[pluginController preferencePanes]];
-		
-        // Set which panes are included, and their order.
-        //[prefs setPanesOrder:[NSArray arrayWithObjects:@"General", @"Updating", @"A Non-Existent Preference Pane", nil]];
+        PreferencePluginController *pluginController = [[PreferencePluginController alloc] initWithPlugins:@[bundle]];
+
+        window = [[PreferencesWindow alloc] initWithPreferencePanes:[pluginController preferencePanes]];
     }
-    
+
     // Show the preferences window.
     [window show];
 }
diff --git a/Preferences/PreferencesWindow.h b/Preferences/PreferencesWindow.h
index f362124cc..432073fc6 100644
--- a/Preferences/PreferencesWindow.h
+++ b/Preferences/PreferencesWindow.h
@@ -8,14 +8,18 @@
 
 #import <Cocoa/Cocoa.h>
 
+/**
+ * TODO: Use NSTabViewController.
+ * This will allow to manage Toolbar automatically, lazy load
+ * preference panes and and crossfade between them.
+ */
+@interface PreferencesWindow : NSWindow<NSToolbarDelegate>
 
-@interface PreferencesWindow : NSWindow<NSToolbarDelegate> {
-	NSMutableArray *preferencePaneOrder;
-	NSMutableDictionary *preferencePanes;
-	NSMutableDictionary *toolbarItems;
-}
-
-- (id)initWithPreferencePanes:(NSArray *)preferencePanes;
+- (instancetype)initWithPreferencePanes:(NSArray *)preferencePanes NS_DESIGNATED_INITIALIZER;
+- (instancetype)initWithContentRect:(NSRect)contentRect
+                          styleMask:(NSWindowStyleMask)style
+                            backing:(NSBackingStoreType)backingStoreType
+                              defer:(BOOL)flag NS_UNAVAILABLE;
 
 - (void)show;
 
diff --git a/Preferences/PreferencesWindow.m b/Preferences/PreferencesWindow.m
index bae7fc330..4c0b58d9c 100644
--- a/Preferences/PreferencesWindow.m
+++ b/Preferences/PreferencesWindow.m
@@ -20,144 +20,148 @@
 @end
 
 
-@implementation PreferencesWindow
+@implementation PreferencesWindow {
+    NSMutableArray<NSToolbarItemIdentifier> *preferencePaneOrder;
+    NSMutableDictionary<NSToolbarItemIdentifier, id<PreferencePane>> *preferencePanes;
+    NSMutableDictionary<NSToolbarItemIdentifier, NSToolbarItem *> *toolbarItems;
+}
 
-- (id)initWithPreferencePanes:(NSArray *)panes
+- (instancetype)initWithPreferencePanes:(NSArray<id<PreferencePane>> *)panes
 {
-    self = [super initWithContentRect:NSMakeRect(0, 0, 350, 200)
-                                              styleMask:(NSClosableWindowMask | NSResizableWindowMask | NSTitledWindowMask)
-                                                backing:NSBackingStoreBuffered
-                                                  defer:NO];
-	if (self)
-	{
-		preferencePaneOrder = [[NSMutableArray alloc] init];
-		preferencePanes = [[NSMutableDictionary alloc] init];
-		
-		for (id<PreferencePane> pane in panes) {
-			[preferencePaneOrder addObject:[pane title]];
-			[preferencePanes setObject:pane forKey:[pane title]];
-		}
-		
-		[self setReleasedWhenClosed:NO];
-		[self setTitle:@"Preferences"]; // initial default title
-		[self setShowsToolbarButton: NO];
-		[self setShowsResizeIndicator:NO];
-		[self center];
-        
-        [[self standardWindowButton:NSWindowZoomButton] setEnabled:FALSE];
-        
-        
+    NSWindowStyleMask windowStyleMask =
+        (NSWindowStyleMaskClosable | NSWindowStyleMaskTitled);
+    self = [super initWithContentRect:NSMakeRect(0, 0, 530, 300)
+                            styleMask:windowStyleMask
+                              backing:NSBackingStoreBuffered
+                                defer:NO];
+    if (self)
+    {
+        preferencePaneOrder = [[NSMutableArray alloc] init];
+        preferencePanes = [[NSMutableDictionary alloc] init];
+
+        for (id<PreferencePane> pane in panes) {
+            [preferencePaneOrder addObject:[pane title]];
+            [preferencePanes setObject:pane forKey:[pane title]];
+        }
+
+        [self setReleasedWhenClosed:NO];
+        [self setTitle:@"Preferences"];
+        [self center];
+
         if (@available(macOS 11, *)) {
             [self setToolbarStyle:NSWindowToolbarStylePreference];
         }
-		
-		[self createToolbar];
-	}
-	
+
+        [self createToolbar];
+    }
+
 	return self;
 }
 
 - (NSString *)lastPaneDefaultsKey
 {
-	return @"LastPreferencePane";
-}
-
--(NSRect)newFrameForNewContentView:(NSView *)view {
-	NSRect newFrame = [self frame];
-    newFrame.size.height = [view frame].size.height + ([self frame].size.height - [[self contentView] frame].size.height);
-    newFrame.size.width = [view frame].size.width;
-    newFrame.origin.y += ([[self contentView] frame].size.height - [view frame].size.height);
-
-	return newFrame;
+    return @"LastPreferencePane";
 }
 
 - (void)setContentView:(NSView *)view animate:(BOOL)animate
 {
+    NSSize newSize = view.bounds.size;
+    NSSize oldSize = [self contentView].bounds.size;
+
+    CGFloat diff = newSize.height - oldSize.height;
+    NSRect newFrame = [self frame];
+    newFrame.size.height += diff;
+    newFrame.origin.y -= diff;
+
     if (animate) {
-        NSView *tempView = [[NSView alloc] initWithFrame:[[self contentView] frame]];
-        [self setContentView:tempView];
+        [self setContentView:nil];
     }
-	
-	NSRect newFrame = [self newFrameForNewContentView:view];
-	[self setFrame:newFrame display:animate animate:animate];
-	
-	[self setContentView:view];
+    [self setFrame:newFrame display:animate animate:animate];
+
+    [self setContentView:view];
+    [self setContentSize:newSize];
 }
 
 - (BOOL)loadPaneNamed:(NSString *)name display:(BOOL)display
 {
-    id<PreferencePane> paneController = [preferencePanes objectForKey:name];
+    id<PreferencePane> paneController = preferencePanes[name];
     if (!paneController) {
         return NO;
     }
     
     NSView *paneView = [paneController view];
-    if (!paneView) {
+    if (!paneView || [self contentView] == paneView) {
         return NO;
     }
-	
-	[self setContentView:paneView animate:display];
-    
-	
-	[self setTitle:name];
-    
+
+    [self setContentView:paneView animate:display];
+
     // Update defaults
     [[NSUserDefaults standardUserDefaults] setObject:name forKey:[self lastPaneDefaultsKey]];
-	
+
     [[self toolbar] setSelectedItemIdentifier:name];
-    
+
     return YES;
 }
 
 - (void)createToolbar
 {
-	toolbarItems = [[NSMutableDictionary alloc] init];
-	for (NSString *name in preferencePaneOrder) {
-		id<PreferencePane> pane = [preferencePanes objectForKey:name];
-		
-		NSToolbarItem *item = [[NSToolbarItem alloc] initWithItemIdentifier:name];
-		[item setPaletteLabel:name]; // item's label in the "Customize Toolbar" sheet (not relevant here, but we set it anyway)
-		[item setLabel:name]; // item's label in the toolbar
-		
-		[item setToolTip:name];
-		[item setImage:[pane icon]];
-		
-		[item setTarget:self];
-		[item setAction:@selector(toolbarItemClicked:)]; // action called when item is clicked
-		
-		[toolbarItems setObject:item forKey:name];
-	}
-	
-	NSString *bundleIdentifier = [[NSBundle mainBundle] bundleIdentifier];
-	NSToolbar *toolbar = [[NSToolbar alloc] initWithIdentifier:[bundleIdentifier stringByAppendingString:@" Preferences Toolbar"]];
-	[toolbar setDelegate:self];
-	[toolbar setAllowsUserCustomization:NO];
-	[toolbar setAutosavesConfiguration:NO];
-	[toolbar setDisplayMode:NSToolbarDisplayModeIconAndLabel];
-	
-	[toolbar setSizeMode:NSToolbarSizeModeDefault];
-	
-	[self setToolbar:toolbar];
+    toolbarItems = [[NSMutableDictionary alloc] init];
+    for (NSString *name in preferencePaneOrder) {
+        id<PreferencePane> pane = preferencePanes[name];
+
+        NSToolbarItem *item = [[NSToolbarItem alloc] initWithItemIdentifier:name];
+        [item setPaletteLabel:name]; // item's label in the "Customize Toolbar" sheet (not relevant here, but we set it anyway)
+        [item setLabel:name]; // item's label in the toolbar
+
+        [item setToolTip:name];
+        [item setImage:[pane icon]];
+
+        [item setTarget:self];
+        [item setAction:@selector(toolbarItemClicked:)]; // action called when item is clicked
+
+        toolbarItems[name] = item;
+    }
+
+    NSString *bundleIdentifier = [[NSBundle mainBundle] bundleIdentifier];
+    NSToolbar *toolbar = [[NSToolbar alloc] initWithIdentifier:[bundleIdentifier stringByAppendingString:@" Preferences Toolbar"]];
+    [toolbar setDelegate:self];
+    [toolbar setAllowsUserCustomization:NO];
+    [toolbar setAutosavesConfiguration:NO];
+    [toolbar setDisplayMode:NSToolbarDisplayModeIconAndLabel];
+
+    [toolbar setSizeMode:NSToolbarSizeModeDefault];
+
+    [self setToolbar:toolbar];
 }
 
-
-
 - (void)show
 {
-	NSString *lastPane = [[NSUserDefaults standardUserDefaults] objectForKey:[self lastPaneDefaultsKey]];
-	if (nil == lastPane) {
-		if (0 >= [preferencePaneOrder count]) {
-			ALog(@"Error: Preference panes not found!");
-		}
-		
-		lastPane = [preferencePaneOrder objectAtIndex:0];
-	}
-	
-	[self loadPaneNamed:lastPane display:NO];
-	
-	[self makeKeyAndOrderFront:self];
+    NSString *lastPane = [[NSUserDefaults standardUserDefaults] objectForKey:[self lastPaneDefaultsKey]];
+    // Previous pane names migrations.
+    if ([lastPane isEqualToString:NSLocalizedPrefString(@"Growl")]) {
+        lastPane = NSLocalizedPrefString(@"Notifications");
+    }
+    if ([lastPane isEqualToString:NSLocalizedPrefString(@"Last.fm")]) {
+        lastPane = NSLocalizedPrefString(@"Scrobble");
+    }
+    if (nil == lastPane) {
+        if (0 >= [preferencePaneOrder count]) {
+            ALog(@"Error: Preference panes not found!");
+        }
+
+        lastPane = preferencePaneOrder[0];
+    }
+
+    [self loadPaneNamed:lastPane display:NO];
+
+    [self makeKeyAndOrderFront:self];
 }
 
+// Close on Esc pressed.
+- (void)cancelOperation:(id)sender {
+    [self close];
+}
 
 #pragma mark Delegate methods
 
@@ -180,14 +184,12 @@
 
 - (NSToolbarItem *)toolbar:(NSToolbar *)toolbar itemForItemIdentifier:(NSString *)itemIdentifier willBeInsertedIntoToolbar:(BOOL)flag
 {
-    return [toolbarItems objectForKey:itemIdentifier];
+    return toolbarItems[itemIdentifier];
 }
 
 - (void)toolbarItemClicked:(NSToolbarItem *)item
 {
-    if (![[item itemIdentifier] isEqualToString:[self title]]) {
-        [self loadPaneNamed:[item itemIdentifier] display:YES];
-    }
+    [self loadPaneNamed:[item itemIdentifier] display:YES];
 }
 
 @end