Make sure all protocols inherit from the NSObject protocol.

sources/FindViewController.h

@@ -29,7 +29,7 @@
 #import <Cocoa/Cocoa.h>
 #import "FutureMethods.h"
-@protocol FindViewControllerDelegate
+@protocol FindViewControllerDelegate <NSObject>
 // Returns true if there is a text area to search.
 - (BOOL)canSearch;

sources/GlobalSearch.h

@@ -40,7 +40,7 @@
 @class iTermSearchField;
 @class PTYSession;
-@protocol GlobalSearchDelegate
+@protocol GlobalSearchDelegate <NSObject>
 - (void)globalSearchSelectionChangedToSession:(PTYSession*)theSession;
 - (void)globalSearchOpenSelection;

sources/PTYNoteView.h

@@ -17,7 +17,7 @@ typedef NS_ENUM(NSInteger, PTYNoteViewTipEdge) {
     kPTYNoteViewTipEdgeBottom
 };
-@protocol PTYNoteViewDelegate
+@protocol PTYNoteViewDelegate <NSObject>
 - (PTYNoteViewController *)noteViewController;
 - (void)killNote;
 @end

sources/PTYNoteViewController.h

@@ -15,7 +15,7 @@ extern NSString * const PTYNoteViewControllerShouldUpdatePosition;
 @class PTYNoteViewController;
-@protocol PTYNoteViewControllerDelegate
+@protocol PTYNoteViewControllerDelegate <NSObject>
 - (void)noteDidRequestRemoval:(PTYNoteViewController *)note;
 - (void)noteDidEndEditing:(PTYNoteViewController *)note;
 @end

sources/PTYTextViewDataSource.h

@@ -12,7 +12,7 @@
 @class VT100ScreenMark;
 @class VT100Terminal;
-@protocol PTYTextViewDataSource
+@protocol PTYTextViewDataSource <NSObject>
 - (VT100Terminal *)terminal;
 - (int)numberOfLines;

sources/PasteViewController.h

@@ -10,7 +10,7 @@
 @class PasteContext;
-@protocol PasteViewControllerDelegate
+@protocol PasteViewControllerDelegate <NSObject>
 - (void)pasteViewControllerDidCancel;

sources/PointerController.h

@@ -8,7 +8,7 @@
 #import <Cocoa/Cocoa.h>
-@protocol PointerControllerDelegate
+@protocol PointerControllerDelegate <NSObject>
 - (void)pasteFromClipboardWithEvent:(NSEvent *)event;
 - (void)pasteFromSelectionWithEvent:(NSEvent *)event;

sources/ProfileTableView.h

@@ -7,7 +7,7 @@
 #import <AppKit/AppKit.h>
-@protocol ProfileTableMenuHandler
+@protocol ProfileTableMenuHandler <NSObject>
 - (NSMenu *)menuForEvent:(NSEvent *)theEvent;

sources/SessionTitleView.h

@@ -8,7 +8,7 @@
 #import <Cocoa/Cocoa.h>
-@protocol SessionTitleViewDelegate
+@protocol SessionTitleViewDelegate <NSObject>
 - (NSColor *)tabColor;
 - (NSMenu *)menu;

sources/SmartSelectionController.h

@@ -11,7 +11,7 @@
 @class SmartSelectionController;
-@protocol SmartSelectionDelegate
+@protocol SmartSelectionDelegate <NSObject>
 - (void)smartSelectionChanged:(SmartSelectionController *)controller;
 @end

sources/SplitSelectionView.h

@@ -21,7 +21,7 @@ typedef enum {
 @class PTYSession;
-@protocol SplitSelectionViewDelegate
+@protocol SplitSelectionViewDelegate <NSObject>
 // dest will be null when canceling.
 - (void)didSelectDestinationSession:(PTYSession *)dest

sources/TmuxGateway.h

@@ -21,7 +21,7 @@ extern const int kTmuxGatewayCommandWantsData;
 extern NSString * const kTmuxGatewayErrorDomain;
-@protocol TmuxGatewayDelegate
+@protocol TmuxGatewayDelegate <NSObject>
 - (TmuxController *)tmuxController;
 - (void)tmuxUpdateLayoutForWindow:(int)windowId

sources/TmuxSessionsTable.h

@@ -9,7 +9,7 @@
 #import <Cocoa/Cocoa.h>
 #import "FutureMethods.h"
-@protocol TmuxSessionsTableProtocol
+@protocol TmuxSessionsTableProtocol <NSObject>
 - (NSArray *)sessions;
 - (void)renameSessionWithName:(NSString *)oldName toName:(NSString *)newName;

sources/TmuxWindowsTable.h

@@ -11,7 +11,7 @@
 extern NSString *kWindowPasteboardType;
-@protocol TmuxWindowsTableProtocol
+@protocol TmuxWindowsTableProtocol <NSObject>
 - (void)reloadWindows;
 - (void)renameWindowWithId:(int)windowId toName:(NSString *)newName;

sources/TriggerController.h

@@ -10,7 +10,7 @@
 @class TriggerController;
-@protocol TriggerDelegate
+@protocol TriggerDelegate <NSObject>
 - (void)triggerChanged:(TriggerController *)controller newValue:(NSArray *)value;
 @end

sources/VT100ScreenMark.h

@@ -12,7 +12,7 @@
 @class CapturedOutput;
 @protocol iTermMark;
-@protocol iTermMarkDelegate
+@protocol iTermMarkDelegate <NSObject>
 - (void)markDidBecomeCommandMark:(id<iTermMark>)mark;
 @end

sources/VT100TerminalDelegate.h

@@ -32,7 +32,7 @@ typedef NS_ENUM(NSInteger, VT100TerminalUnits) {
     kVT100TerminalUnitsAuto,
 };
-@protocol VT100TerminalDelegate
+@protocol VT100TerminalDelegate <NSObject>
 // Append a string at the cursor's position and advance the cursor, scrolling if necessary.
 - (void)terminalAppendString:(NSString *)string;
 - (void)terminalAppendAsciiData:(AsciiData *)asciiData;

sources/iTermAnnouncementViewController.h

@@ -11,7 +11,7 @@
 @class iTermAnnouncementViewController;
-@protocol iTermAnnouncementDelegate
+@protocol iTermAnnouncementDelegate <NSObject>
 - (void)announcementWillDismiss:(iTermAnnouncementViewController *)announcement;
 @end

sources/iTermExposeTabView.h

@@ -14,7 +14,7 @@
 @class PTYSession;
 @class PTYTab;
-@protocol iTermExposeTabViewDelegate
+@protocol iTermExposeTabViewDelegate <NSObject>
 - (void)onSelection:(iTermExposeTabView*)theView session:(PTYSession*)theSession;

sources/iTermInstantReplayWindowController.h

@@ -8,7 +8,7 @@
 #import <Cocoa/Cocoa.h>
-@protocol iTermInstantReplayDelegate
+@protocol iTermInstantReplayDelegate <NSObject>
 - (void)replaceSyntheticActiveSessionWithLiveSessionIfNeeded;
 - (void)instantReplaySeekTo:(float)position;
 - (void)instantReplayStep:(int)direction;