Finished code for Pref Window. Included Circular Progress Indicator. Removed Autolayout for Prefs XIB, no more warnings. Added Reddit API class structure.

RedditBar.xcodeproj/project.pbxproj

 /* Begin PBXBuildFile section */
 		E9341914184A1A1A00D03488 /* StateModel.m in Sources */ = {isa = PBXBuildFile; fileRef = E9341913184A1A1A00D03488 /* StateModel.m */; };
 		E934191B184A47DE00D03488 /* Prefs.xib in Resources */ = {isa = PBXBuildFile; fileRef = E9341919184A47DE00D03488 /* Prefs.xib */; };
+		E9B6773E184B73DC00850559 /* Reddit.m in Sources */ = {isa = PBXBuildFile; fileRef = E9B6773D184B73DC00850559 /* Reddit.m */; };
 		E9CF1F21184961010004AE02 /* Cocoa.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = E9CF1F20184961010004AE02 /* Cocoa.framework */; };
 		E9CF1F2B184961010004AE02 /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = E9CF1F29184961010004AE02 /* InfoPlist.strings */; };
 		E9CF1F2D184961010004AE02 /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = E9CF1F2C184961010004AE02 /* main.m */; };
 		E9341912184A1A1A00D03488 /* StateModel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = StateModel.h; sourceTree = "<group>"; };
 		E9341913184A1A1A00D03488 /* StateModel.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = StateModel.m; sourceTree = "<group>"; };
 		E934191A184A47DE00D03488 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/Prefs.xib; sourceTree = "<group>"; };
+		E9B6773C184B73DC00850559 /* Reddit.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Reddit.h; sourceTree = "<group>"; };
+		E9B6773D184B73DC00850559 /* Reddit.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Reddit.m; sourceTree = "<group>"; };
 		E9CF1F1D184961010004AE02 /* RedditBar.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = RedditBar.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		E9CF1F20184961010004AE02 /* Cocoa.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Cocoa.framework; path = System/Library/Frameworks/Cocoa.framework; sourceTree = SDKROOT; };
 		E9CF1F23184961010004AE02 /* AppKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = AppKit.framework; path = System/Library/Frameworks/AppKit.framework; sourceTree = SDKROOT; };
 				E9CF1F551849654F0004AE02 /* icon.png */,
 				E9CF1F32184961010004AE02 /* AppDelegate.h */,
 				E9CF1F33184961010004AE02 /* AppDelegate.m */,
+				E9B6773C184B73DC00850559 /* Reddit.h */,
+				E9B6773D184B73DC00850559 /* Reddit.m */,
 				E9341912184A1A1A00D03488 /* StateModel.h */,
 				E9341913184A1A1A00D03488 /* StateModel.m */,
 				E9CF1F35184961020004AE02 /* MainMenu.xib */,
 				E9341914184A1A1A00D03488 /* StateModel.m in Sources */,
 				E9CF1F2D184961010004AE02 /* main.m in Sources */,
 				E9CF1F5C1849685C0004AE02 /* PrefController.m in Sources */,
+				E9B6773E184B73DC00850559 /* Reddit.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

RedditBar/AppDelegate.h

 #import <Cocoa/Cocoa.h>
 #import "PrefController.h"
 #import "StateModel.h"
+#import "Reddit.h"
 
 @interface AppDelegate : NSObject <NSApplicationDelegate>
 
 @property (atomic, retain) NSImage *statusHighlightImage;
 @property (atomic, retain) PrefController *prefWindow;
 @property (atomic, retain) StateModel *currentState;
+@property (atomic, retain) Reddit *api;
 
 -(IBAction)showPreferences:(id)sender;
 -(IBAction)showAbout:(id)sender;

RedditBar/AppDelegate.m

 
 @implementation AppDelegate
 
-@synthesize statusMenu, statusItem, statusImage, statusHighlightImage, prefWindow, currentState, application;
+@synthesize statusMenu, statusItem, statusImage, statusHighlightImage, prefWindow, currentState, application, api;
+
+- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
+    statusItem = [[NSStatusBar systemStatusBar] statusItemWithLength:NSSquareStatusItemLength];
+    NSBundle *bundle = [NSBundle mainBundle];
+    statusImage = [[NSImage alloc] initWithContentsOfFile:[bundle pathForResource:@"icon" ofType:@"png"]];
+    statusHighlightImage = [[NSImage alloc] initWithContentsOfFile:[bundle pathForResource:@"icon-alt" ofType:@"png"]];
+    [statusItem setImage:statusImage];
+    [statusItem setAlternateImage:statusHighlightImage];
+    [statusItem setMenu:statusMenu];
+    [statusItem setToolTip:@"Reddit Bar"];
+    [statusItem setHighlightMode:YES];
+    currentState = [[StateModel alloc] init];
+    [self defaultPreferences];
+    [self loadPreferences];
+    [self reloadListWithOptions];
+}
 
 -(void)defaultPreferences {
     NSUserDefaults *store = [NSUserDefaults standardUserDefaults];
     [currentState setLength:[store integerForKey:@"length"]];
 }
 
-- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
-    statusItem = [[NSStatusBar systemStatusBar] statusItemWithLength:NSSquareStatusItemLength];
-    NSBundle *bundle = [NSBundle mainBundle];
-    statusImage = [[NSImage alloc] initWithContentsOfFile:[bundle pathForResource:@"icon" ofType:@"png"]];
-    statusHighlightImage = [[NSImage alloc] initWithContentsOfFile:[bundle pathForResource:@"icon-alt" ofType:@"png"]];
-    [statusItem setImage:statusImage];
-    [statusItem setAlternateImage:statusHighlightImage];
-    [statusItem setMenu:statusMenu];
-    [statusItem setToolTip:@"Reddit Bar"];
-    [statusItem setHighlightMode:YES];
+-(void)reloadListWithOptions {
+    api = [[Reddit alloc] initWithUsername:currentState.username Modhash:currentState.modhash];
     
-    [self defaultPreferences];
-    currentState = [[StateModel alloc] init];
-    [self loadPreferences]; // Fill currentState
-    
-    // TODO apply currentState
-    // TODO reload menu list
 }
 
 -(IBAction)showPreferences:(id)sender {
     currentState.useSubsciptions = subscriptions;
     currentState.subreddits = [subreddits componentsSeparatedByString: @"\n"];
     currentState.length = length;
-    [self savePreferences]; // write currentState
-    
-    // TODO apply currentState
-    // TODO reload menu list
+    [self savePreferences];
+    [self reloadListWithOptions];
 }
 
 @end

RedditBar/Base.lproj/Prefs.xib

 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="4514" systemVersion="13A603" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES">
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="4514" systemVersion="13A603" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none">
     <dependencies>
         <deployment defaultVersion="1080" identifier="macosx"/>
         <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="4514"/>
                 <outlet property="lengthFormat" destination="zpc-oG-upp" id="AKk-rK-pM3"/>
                 <outlet property="lengthStepper" destination="jxz-fQ-M1L" id="NK5-G4-9UJ"/>
                 <outlet property="password" destination="ARP-lb-J16" id="EDd-om-ciF"/>
+                <outlet property="progress" destination="vz0-tR-n1f" id="t06-dO-WKY"/>
                 <outlet property="subreddits" destination="EhP-FS-8dT" id="td1-kv-jQm"/>
                 <outlet property="subscriptions" destination="vW5-Cp-Bm1" id="gja-K0-7Uh"/>
                 <outlet property="username" destination="0mi-88-o94" id="4bB-K2-q5m"/>
         </customObject>
         <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
         <customObject id="-3" userLabel="Application"/>
-        <window title="Reddit Bar Preferences" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" restorable="NO" oneShot="NO" releasedWhenClosed="NO" wantsToBeColor="NO" animationBehavior="default" id="1">
+        <window title="RedditBar Preferences" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" restorable="NO" oneShot="NO" releasedWhenClosed="NO" wantsToBeColor="NO" animationBehavior="default" id="1">
             <windowStyleMask key="styleMask" titled="YES" closable="YES"/>
             <windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
             <rect key="contentRect" x="196" y="240" width="340" height="339"/>
                 <rect key="frame" x="0.0" y="0.0" width="340" height="339"/>
                 <autoresizingMask key="autoresizingMask"/>
                 <subviews>
-                    <textField verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="0mi-88-o94">
+                    <textField verticalHuggingPriority="750" id="0mi-88-o94">
                         <rect key="frame" x="120" y="299" width="200" height="22"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" state="on" borderStyle="bezel" drawsBackground="YES" id="xlI-hU-MqM">
                             <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
                         </textFieldCell>
                     </textField>
-                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="f72-fM-yQc">
-                        <rect key="frame" x="18" y="302" width="96" height="17"/>
+                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" id="f72-fM-yQc">
+                        <rect key="frame" x="18" y="304" width="96" height="17"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-                        <constraints>
-                            <constraint firstAttribute="width" constant="92" id="NaA-TF-vqk"/>
-                        </constraints>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="right" title="Username: " id="GTO-OP-MYS">
                             <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 horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="JMQ-a6-DKC">
+                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" id="JMQ-a6-DKC">
                         <rect key="frame" x="18" y="270" width="96" height="17"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="right" title="Password:" id="m11-YF-fEa">
                             <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
                         </textFieldCell>
                     </textField>
-                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="qFP-pd-32c">
-                        <rect key="frame" x="6" y="52" width="96" height="17"/>
+                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" id="qFP-pd-32c">
+                        <rect key="frame" x="18" y="52" width="96" height="17"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-                        <constraints>
-                            <constraint firstAttribute="width" constant="92" id="y5l-ux-awZ"/>
-                        </constraints>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="right" title="Items:" id="FNJ-RL-DXT">
                             <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>
-                    <secureTextField verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="ARP-lb-J16">
+                    <secureTextField verticalHuggingPriority="750" id="ARP-lb-J16">
                         <rect key="frame" x="120" y="267" width="200" height="22"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                         <secureTextFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" borderStyle="bezel" drawsBackground="YES" usesSingleLineMode="YES" id="We7-pG-rAt">
                             </allowedInputSourceLocales>
                         </secureTextFieldCell>
                     </secureTextField>
-                    <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="qwZ-cF-1JN">
+                    <button verticalHuggingPriority="750" id="qwZ-cF-1JN">
                         <rect key="frame" x="224" y="13" width="102" height="32"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-                        <constraints>
-                            <constraint firstAttribute="width" constant="90" id="6O3-yW-gA0"/>
-                        </constraints>
                         <buttonCell key="cell" type="push" title="Save" bezelStyle="rounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="Mqa-FJ-C43">
                             <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
                             <font key="font" metaFont="system"/>
                             <action selector="buttonSave:" target="-2" id="thy-nQ-Nld"/>
                         </connections>
                     </button>
-                    <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="vO2-NN-i1n">
+                    <button verticalHuggingPriority="750" id="vO2-NN-i1n">
                         <rect key="frame" x="14" y="13" width="102" height="32"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-                        <constraints>
-                            <constraint firstAttribute="width" constant="90" id="ZXJ-Cb-INd"/>
-                        </constraints>
                         <buttonCell key="cell" type="push" title="Cancel" bezelStyle="rounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="TjO-Z6-Vng">
                             <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
                             <font key="font" metaFont="system"/>
                             <action selector="performClose:" target="1" id="A62-EW-ZrT"/>
                         </connections>
                     </button>
-                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="R9P-ZH-hHZ">
+                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" id="R9P-ZH-hHZ">
                         <rect key="frame" x="18" y="235" width="96" height="17"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="right" title="Subreddits:" id="Cmr-7n-CaG">
                             <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
                         </textFieldCell>
                     </textField>
-                    <scrollView horizontalLineScroll="10" horizontalPageScroll="10" verticalLineScroll="10" verticalPageScroll="10" hasHorizontalScroller="NO" usesPredominantAxisScrolling="NO" translatesAutoresizingMaskIntoConstraints="NO" id="8ew-wY-1Yh">
-                        <rect key="frame" x="20" y="77" width="300" height="150"/>
+                    <scrollView horizontalLineScroll="10" horizontalPageScroll="10" verticalLineScroll="10" verticalPageScroll="10" hasHorizontalScroller="NO" usesPredominantAxisScrolling="NO" id="8ew-wY-1Yh">
+                        <rect key="frame" x="20" y="79" width="300" height="150"/>
                         <autoresizingMask key="autoresizingMask"/>
                         <clipView key="contentView" copiesOnScroll="NO" id="ENU-Jw-8fO">
                             <rect key="frame" x="1" y="1" width="298" height="148"/>
                             <autoresizingMask key="autoresizingMask"/>
                         </scroller>
                     </scrollView>
-                    <button translatesAutoresizingMaskIntoConstraints="NO" id="XZM-90-hQ8">
+                    <button id="XZM-90-hQ8">
                         <rect key="frame" x="118" y="234" width="204" height="18"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                         <buttonCell key="cell" type="check" title="Subscriptions" bezelStyle="regularSquare" imagePosition="overlaps" alignment="right" state="on" inset="2" id="vW5-Cp-Bm1">
                             <action selector="toggleSubs:" target="-2" id="TPd-6W-xQv"/>
                         </connections>
                     </button>
-                    <textField verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="MAv-jO-hIv">
-                        <rect key="frame" x="120" y="49" width="96" height="22"/>
+                    <textField verticalHuggingPriority="750" id="MAv-jO-hIv">
+                        <rect key="frame" x="120" y="49" width="57" height="22"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-                        <constraints>
-                            <constraint firstAttribute="width" constant="96" id="Q7V-Gm-EfI"/>
-                        </constraints>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" state="on" borderStyle="bezel" alignment="right" title="10" drawsBackground="YES" id="0SD-Tf-uZS">
                             <font key="font" metaFont="system"/>
                             <color key="textColor" name="textColor" catalog="System" colorSpace="catalog"/>
                             <outlet property="formatter" destination="zpc-oG-upp" id="cw1-hM-34K"/>
                         </connections>
                     </textField>
-                    <stepper horizontalHuggingPriority="750" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="jxz-fQ-M1L">
-                        <rect key="frame" x="221" y="46" width="19" height="27"/>
+                    <stepper horizontalHuggingPriority="750" verticalHuggingPriority="750" id="jxz-fQ-M1L">
+                        <rect key="frame" x="182" y="46" width="19" height="27"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                         <stepperCell key="cell" continuous="YES" alignment="left" maxValue="100" id="Gba-jV-Ouh"/>
                         <connections>
                             <action selector="lengthDidChange:" target="-2" id="CJm-58-seM"/>
                         </connections>
                     </stepper>
+                    <progressIndicator canDrawConcurrently="YES" horizontalHuggingPriority="750" verticalHuggingPriority="750" maxValue="100" displayedWhenStopped="NO" bezeled="NO" indeterminate="YES" controlSize="small" style="spinning" id="vz0-tR-n1f">
+                        <rect key="frame" x="267" y="49" width="16" height="16"/>
+                        <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                    </progressIndicator>
                 </subviews>
-                <constraints>
-                    <constraint firstItem="f72-fM-yQc" firstAttribute="top" secondItem="2" secondAttribute="top" constant="20" symbolic="YES" id="29D-Aw-Hsq"/>
-                    <constraint firstItem="R9P-ZH-hHZ" firstAttribute="leading" secondItem="JMQ-a6-DKC" secondAttribute="leading" id="37a-j4-cea"/>
-                    <constraint firstItem="qFP-pd-32c" firstAttribute="centerY" secondItem="jxz-fQ-M1L" secondAttribute="centerY" id="7Cf-YA-CG9"/>
-                    <constraint firstItem="XZM-90-hQ8" firstAttribute="trailing" secondItem="ARP-lb-J16" secondAttribute="trailing" id="7Na-cW-VbT"/>
-                    <constraint firstItem="8ew-wY-1Yh" firstAttribute="trailing" secondItem="XZM-90-hQ8" secondAttribute="trailing" id="7bq-Le-SlA"/>
-                    <constraint firstItem="qFP-pd-32c" firstAttribute="top" secondItem="8ew-wY-1Yh" secondAttribute="bottom" constant="8" symbolic="YES" id="7uB-Kt-r8c"/>
-                    <constraint firstItem="ARP-lb-J16" firstAttribute="leading" secondItem="JMQ-a6-DKC" secondAttribute="trailing" constant="8" symbolic="YES" id="ANm-KU-ah0"/>
-                    <constraint firstItem="qFP-pd-32c" firstAttribute="centerY" secondItem="MAv-jO-hIv" secondAttribute="centerY" id="C6t-id-Y7F"/>
-                    <constraint firstItem="0mi-88-o94" firstAttribute="leading" secondItem="f72-fM-yQc" secondAttribute="trailing" constant="8" symbolic="YES" id="DeX-3f-5VX"/>
-                    <constraint firstItem="R9P-ZH-hHZ" firstAttribute="baseline" secondItem="XZM-90-hQ8" secondAttribute="baseline" id="Dyr-Lq-Ctl"/>
-                    <constraint firstItem="vO2-NN-i1n" firstAttribute="baseline" secondItem="qwZ-cF-1JN" secondAttribute="baseline" id="Ess-AZ-MVK"/>
-                    <constraint firstItem="R9P-ZH-hHZ" firstAttribute="leading" secondItem="8ew-wY-1Yh" secondAttribute="leading" id="G3T-Ry-7uZ"/>
-                    <constraint firstItem="vO2-NN-i1n" firstAttribute="leading" secondItem="8ew-wY-1Yh" secondAttribute="leading" id="IsT-wH-jxK"/>
-                    <constraint firstAttribute="trailing" secondItem="0mi-88-o94" secondAttribute="trailing" constant="20" symbolic="YES" id="LZn-1N-eno"/>
-                    <constraint firstItem="f72-fM-yQc" firstAttribute="centerY" secondItem="0mi-88-o94" secondAttribute="centerY" id="LfD-Yu-zn8"/>
-                    <constraint firstItem="ARP-lb-J16" firstAttribute="leading" secondItem="0mi-88-o94" secondAttribute="leading" id="OYT-lx-Poi"/>
-                    <constraint firstItem="f72-fM-yQc" firstAttribute="leading" secondItem="2" secondAttribute="leading" constant="20" symbolic="YES" id="OiS-Rj-NBY"/>
-                    <constraint firstItem="XZM-90-hQ8" firstAttribute="leading" secondItem="R9P-ZH-hHZ" secondAttribute="trailing" constant="8" symbolic="YES" id="VL7-JL-apE"/>
-                    <constraint firstItem="vO2-NN-i1n" firstAttribute="top" secondItem="qFP-pd-32c" secondAttribute="bottom" constant="11" id="VdU-PT-I2v"/>
-                    <constraint firstItem="ARP-lb-J16" firstAttribute="leading" secondItem="XZM-90-hQ8" secondAttribute="leading" id="Vre-Lj-q0h"/>
-                    <constraint firstItem="jxz-fQ-M1L" firstAttribute="leading" secondItem="MAv-jO-hIv" secondAttribute="trailing" constant="8" symbolic="YES" id="Zpj-hy-F01"/>
-                    <constraint firstItem="ARP-lb-J16" firstAttribute="top" secondItem="0mi-88-o94" secondAttribute="bottom" constant="10" symbolic="YES" id="bI0-EE-Uau"/>
-                    <constraint firstItem="qFP-pd-32c" firstAttribute="leading" secondItem="2" secondAttribute="leading" constant="8" id="cqi-Wn-sxQ"/>
-                    <constraint firstItem="f72-fM-yQc" firstAttribute="leading" secondItem="JMQ-a6-DKC" secondAttribute="leading" id="fRq-oc-Xhi"/>
-                    <constraint firstItem="8ew-wY-1Yh" firstAttribute="top" secondItem="R9P-ZH-hHZ" secondAttribute="bottom" constant="8" symbolic="YES" id="fxf-FX-XZd"/>
-                    <constraint firstItem="8ew-wY-1Yh" firstAttribute="trailing" secondItem="qwZ-cF-1JN" secondAttribute="trailing" id="gAk-07-mMq"/>
-                    <constraint firstItem="MAv-jO-hIv" firstAttribute="leading" secondItem="qFP-pd-32c" secondAttribute="trailing" constant="20" id="hJP-mL-zrr"/>
-                    <constraint firstItem="XZM-90-hQ8" firstAttribute="top" secondItem="ARP-lb-J16" secondAttribute="bottom" constant="17" id="hf0-Vf-fvN"/>
-                    <constraint firstItem="JMQ-a6-DKC" firstAttribute="centerY" secondItem="ARP-lb-J16" secondAttribute="centerY" id="pYP-d0-eKw"/>
-                    <constraint firstItem="0mi-88-o94" firstAttribute="trailing" secondItem="ARP-lb-J16" secondAttribute="trailing" id="qtc-EY-7HS"/>
-                    <constraint firstAttribute="bottom" secondItem="vO2-NN-i1n" secondAttribute="bottom" constant="20" symbolic="YES" id="ynT-D2-t44"/>
-                </constraints>
             </view>
         </window>
         <numberFormatter formatterBehavior="10_0" positiveFormat="0" negativeFormat="-0" hasThousandSeparators="NO" thousandSeparator="," id="zpc-oG-upp">

RedditBar/PrefController.h

 @property (atomic, retain) IBOutlet NSNumberFormatter *lengthFormat;
 @property (atomic, retain) IBOutlet NSTextField *lengthField;
 @property (atomic, retain) IBOutlet NSStepper *lengthStepper;
+@property (atomic, retain) IBOutlet NSProgressIndicator *progress;
 @property (atomic, retain) NSObject *parent;
 @property (atomic, retain) StateModel *state;
 @property (atomic) NSInteger length;

RedditBar/PrefController.m

 @implementation PrefController
 
 NSString *modhashSetLiteral = @"__MODHASH__IS__SET__";
+NSString *subredditCharacters = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890-_\n";
 
-@synthesize username, password, subscriptions, subreddits, win, parent, state, lengthFormat, lengthField, lengthStepper, length;
+@synthesize username, password, subscriptions, subreddits, win, parent, state, lengthFormat, lengthField, lengthStepper, length, progress;
 
 -(Boolean)isValidList:(NSString *)input {
-    NSCharacterSet *invalidChars = [[NSCharacterSet characterSetWithCharactersInString:@"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890-_\n"] invertedSet];
+    NSCharacterSet *invalidChars = [[NSCharacterSet characterSetWithCharactersInString:subredditCharacters] invertedSet];
     if ([input rangeOfCharacterFromSet:invalidChars].location != NSNotFound) {
         return FALSE;
     } else {
 
 -(void)showWindow:(id)sender {
     [super showWindow:sender];
-    
     [username setStringValue:state.username];
-    
     if (![state.modhash isEqualToString:@""]) {
         [password setStringValue:modhashSetLiteral];
     }
-    
     [subscriptions setState:[NSNumber numberWithBool:state.useSubsciptions].integerValue];
     [self toggleSubs:nil]; // Maybe the subreddits field needs to be editable
-    
     NSMutableString *reddits = [[NSMutableString alloc] init];
     for(int i = 0; i < [state.subreddits count]; i++) {
         if (![[state.subreddits objectAtIndex:i] isEqualToString:@""])
     length = state.length;
     [lengthStepper setIntegerValue:length];
     [lengthField setIntegerValue:length];
+    [progress setUsesThreadedAnimation:YES];
 }
 
 -(IBAction)buttonSave:(id)sender {
     
     NSString *modhash = state.modhash;
     if (![password.stringValue isEqualToString:modhashSetLiteral]) {
-        // TODO reauthenticate & get modhash from reddit
-        
+        [progress startAnimation:self];
+        Reddit *api = [[Reddit alloc] initWithUsername:username.stringValue Password:password.stringValue];
+        modhash = [api queryModhash];
+        [progress stopAnimation:self];
+        if ((modhash == nil) || ([modhash isEqualToString:@""])) {
+            NSAlert *alert = [[NSAlert alloc] init];
+            [alert addButtonWithTitle:@"OK"];
+            [alert setMessageText:@"Authentication Error"];
+            [alert setInformativeText:@"Wrong Username or Password!"];
+            [alert setAlertStyle:NSCriticalAlertStyle];
+            [alert beginSheetModalForWindow:win modalDelegate:nil didEndSelector:nil contextInfo:nil];
+            return;
+        }
     }
     
     Boolean subs;

RedditBar/Reddit.h

+//
+//  Reddit.h
+//  RedditBar
+//
+//  Created by Thomas Buck on 01.12.13.
+//  Copyright (c) 2013 xythobuz. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface Reddit : NSObject
+
+@property (atomic, retain) NSString *username;
+@property (atomic, retain) NSString *modhash;
+@property (atomic, retain) NSString *password;
+
+-(id)initWithUsername:(NSString *)name Password:(NSString *)pass;
+-(NSString *)queryModhash;
+
+-(id)initWithUsername:(NSString *)name Modhash:(NSString *)hash;
+-(BOOL)isAuthenticated;
+
+@end

RedditBar/Reddit.m

+//
+//  Reddit.m
+//  RedditBar
+//
+//  Created by Thomas Buck on 01.12.13.
+//  Copyright (c) 2013 xythobuz. All rights reserved.
+//
+
+#import "Reddit.h"
+
+@implementation Reddit
+
+@synthesize username, modhash, password;
+
+-(id)initWithUsername:(NSString *)name Modhash:(NSString *)hash {
+    self = [super init];
+    if (self) {
+        username = name;
+        modhash = hash;
+        password = nil;
+    }
+    return self;
+}
+
+-(id)initWithUsername:(NSString *)name Password:(NSString *)pass {
+    self = [super init];
+    if (self) {
+        username = name;
+        modhash = nil;
+        password = pass;
+    }
+    return self;
+}
+
+-(NSString *)queryModhash {
+    sleep(1);
+    return nil;
+}
+
+-(BOOL)isAuthenticated {
+    return FALSE;
+}
+
+@end

RedditBar/RedditBar-Info.plist

 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>42</string>
+	<string>82</string>
 	<key>LSApplicationCategoryType</key>
 	<string>public.app-category.utilities</string>
 	<key>LSMinimumSystemVersion</key>

RedditBar/en.lproj/Credits.rtf

 \b Inspired by:
 \b0 \
 	HackerBar App ({\field{\*\fldinst{HYPERLINK "http://hackerbarapp.com"}}{\fldrslt http://hackerbarapp.com}})\
-}
+	is Open Source software but requires\
+	a RubyMotion License, so I decided\
+	against forking it.}