Convert more interfaces to use properties.

Use DEPRECATED_ATTRIBUTE to mark functions deprecated in the comments.

sources/AdvancedWorkingDirectoryWindowController.m

@@ -24,7 +24,7 @@ static const NSInteger kRecycleDirectoryTag = 2;
     IBOutlet NSTextField* _paneDirectory;
 }
-- (id)init {
+- (instancetype)init {
     return [super initWithWindowNibName:@"AdvancedWorkingDirectoryWindow"];
 }

sources/AsyncHostLookupController.m

@@ -31,7 +31,7 @@
     return instance;
 }
-- (id)init {
+- (instancetype)init {
     self = [super init];
     if (self) {
         _queue = dispatch_queue_create("AsyncHostLookupControllerQueue", NULL);

sources/Autocomplete.m

@@ -70,7 +70,7 @@ const int kMaxResultContextWords = 4;
     return [iTermAdvancedSettingsModel autocompleteMaxOptions];
 }
-- (id)init
+- (instancetype)init
 {
     const int kMaxOptions = [AutocompleteView maxOptions];
     self = [super initWithWindowNibName:@"Autocomplete"

sources/BounceTrigger.m

@@ -35,7 +35,7 @@ enum {
     return YES;
 }
-- (int)indexOfTag:(int)theTag
+- (NSInteger)indexOfTag:(NSInteger)theTag
 {
     int i = 0;
     for (NSNumber *n in [self objectsSortedByValueInDict:[self menuItemsForPoupupButton]]) {
@@ -47,7 +47,7 @@ enum {
     return -1;
 }
-- (int)tagAtIndex:(int)index
+- (NSInteger)tagAtIndex:(NSInteger)index
 {
     int i = 0;

sources/BulkCopyProfilePreferencesWindowController.m

@@ -37,7 +37,7 @@ typedef enum {
     IBOutlet NSButton *_copyButton;
 }
-- (id)init {
+- (instancetype)init {
     return [super initWithWindowNibName:@"BulkCopyProfilePreferences"];
 }

sources/CharacterRun.m

@@ -15,7 +15,7 @@
     return [[[CRunStorage alloc] initWithCapacity:capacity] autorelease];
 }
-- (id)initWithCapacity:(int)capacity {
+- (instancetype)initWithCapacity:(int)capacity {
     self = [super init];
     if (self) {
         capacity = MAX(capacity, 1);

sources/CommandHistory.m

@@ -40,7 +40,7 @@ static const int kMaxCommandsToSavePerHost = 200;
     return instance;
 }
-- (id)init {
+- (instancetype)init {
     self = [super init];
     if (self) {
         _hosts = [[NSMutableDictionary alloc] init];

sources/CommandHistoryEntry.m

@@ -39,7 +39,7 @@ static NSString *const kCommandUses = @"use times";  // The name is a historical
     return entry;
 }
-- (id)init {
+- (instancetype)init {
     self = [super init];
     if (self) {
         _commandUses = [[NSMutableArray alloc] init];

sources/CommandHistoryPopup.m

@@ -27,7 +27,7 @@
     int _partialCommandLength;
 }
-- (id)init
+- (instancetype)init
 {
     self = [super initWithWindowNibName:@"CommandHistoryPopup"
                                tablePtr:nil

sources/ContextMenuActionPrefsController.m

@@ -20,7 +20,7 @@ static NSString* kParameterKey = @"parameter";
 @synthesize delegate = delegate_;
 @synthesize hasSelection = hasSelection_;
-- (id)initWithWindow:(NSWindow *)window
+- (instancetype)initWithWindow:(NSWindow *)window
 {
     self = [super initWithWindow:window];
     if (self) {

sources/Coprocess.m

@@ -121,7 +121,7 @@ static NSString *kCoprocessMruKey = @"Coprocess MRU";
     return result;
 }
-- (id)init
+- (instancetype)init
 {
     self = [super init];
     if (self) {

sources/DVR.m

@@ -33,7 +33,7 @@
 @implementation DVR
-- (id)initWithBufferCapacity:(int)bytes
+- (instancetype)initWithBufferCapacity:(int)bytes
 {
     self = [super init];
     if (self) {

sources/DVRBuffer.m

@@ -31,7 +31,7 @@
 @implementation DVRBuffer
-- (id)initWithBufferCapacity:(long long)maxsize
+- (instancetype)initWithBufferCapacity:(long long)maxsize
 {
     self = [super init];
     if (self) {

sources/DVRDecoder.m

@@ -44,7 +44,7 @@
 @implementation DVRDecoder
-- (id)initWithBuffer:(DVRBuffer*)buffer
+- (instancetype)initWithBuffer:(DVRBuffer*)buffer
 {
     self = [super init];
     if (self) {

sources/DVREncoder.m

@@ -63,7 +63,7 @@ static long long now()
 @implementation DVREncoder
-- (id)initWithBuffer:(DVRBuffer*)buffer
+- (instancetype)initWithBuffer:(DVRBuffer*)buffer
 {
     self = [super init];
     if (self) {

sources/DirectoriesPopup.m

@@ -25,7 +25,7 @@
     IBOutlet NSTableColumn *_mainColumn;
 }
-- (id)init {
+- (instancetype)init {
     self = [super initWithWindowNibName:@"DirectoriesPopup"
                                tablePtr:nil
                                   model:[[[PopupModel alloc] init] autorelease]];

sources/EquivalenceClassSet.m

@@ -2,7 +2,7 @@
 @implementation EquivalenceClassSet
-- (id)init
+- (instancetype)init
 {
     self = [super init];
     if (self) {

sources/FakeWindow.m

@@ -32,7 +32,7 @@
 @implementation FakeWindow
-- (id)initFromRealWindow:(NSWindowController<iTermWindowController> *)aTerm
+- (instancetype)initFromRealWindow:(NSWindowController<iTermWindowController> *)aTerm
                  session:(PTYSession*)aSession
 {
     self = [super init];

sources/FileTransferManager.m

@@ -32,7 +32,7 @@ static const NSTimeInterval kMaximumTimeToKeepFinishedDownload = 24 * 60 * 60;
     return instance;
 }
-- (id)init {
+- (instancetype)init {
     self = [super init];
     if (self) {
         _files = [[NSMutableArray alloc] init];

sources/FindContext.m

@@ -25,7 +25,7 @@ static const NSTimeInterval kDefaultMaxTime = 0.1;
 @synthesize hasWrapped = hasWrapped_;
 @synthesize maxTime = maxTime_;
-- (id)init {
+- (instancetype)init {
     self = [super init];
     if (self) {
         maxTime_ = kDefaultMaxTime;