From f8df6ba27115431c103432350c7f6381a6512fc7 Mon Sep 17 00:00:00 2001
From: Greg Lucas <greg.m.lucas@gmail.com>
Date: Thu, 18 Jan 2024 19:22:39 -0700
Subject: [PATCH] MNT: Implement macos AppDelegate

This suppresses a warning that appears with MacOS 14+.
WARNING: Secure coding is not enabled for restorable state!
---
 src/_macosx.m | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/_macosx.m b/src/_macosx.m
index ac9009965b4f..8038b72899df 100755
--- a/src/_macosx.m
+++ b/src/_macosx.m
@@ -100,6 +100,9 @@ static int wait_for_stdin() {
 }
 
 /* ---------------------------- Cocoa classes ---------------------------- */
+@interface MatplotlibAppDelegate : NSObject <NSApplicationDelegate>
+- (BOOL)applicationSupportsSecureRestorableState:(NSApplication *)app;
+@end
 
 @interface Window : NSWindow
 {   PyObject* manager;
@@ -195,6 +198,7 @@ static void lazy_init(void) {
 
     NSApp = [NSApplication sharedApplication];
     [NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
+    [NSApp setDelegate: [[[MatplotlibAppDelegate alloc] init] autorelease]];
 
     // Run our own event loop while waiting for stdin on the Python side
     // this is needed to keep the application responsive while waiting for input
@@ -779,6 +783,12 @@ int mpl_check_modifier(
     },
 };
 
+@implementation MatplotlibAppDelegate
+- (BOOL)applicationSupportsSecureRestorableState:(NSApplication *)app {
+    return YES;
+}
+@end
+
 @interface NavigationToolbar2Handler : NSObject
 {   PyObject* toolbar;
     NSButton* panbutton;