don't change cursor to ibeam on macOS prior to Ventura

glfw crashes with our tab group usage (see comment)

src/Window.zig

@@ -29,6 +29,7 @@ const Config = @import("config.zig").Config;
 const input = @import("input.zig");
 const DevMode = @import("DevMode.zig");
 const App = @import("App.zig");
+const internal_os = @import("os/main.zig");
 
 // Get native API access on certain platforms so we can do more customization.
 const glfwNative = glfw.Native(.{
@@ -333,7 +334,12 @@ pub fn create(alloc: Allocator, app: *App, config: *const Config) !*Window {
     // Create the cursor
     const cursor = try glfw.Cursor.createStandard(.ibeam);
     errdefer cursor.destroy();
+    if ((comptime !builtin.target.isDarwin()) or internal_os.macosVersionAtLeast(13, 0, 0)) {
+        // We only set our cursor if we're NOT on Mac, or if we are then the
+        // macOS version is >= 13 (Ventura). On prior versions, glfw crashes
+        // since we use a tab group.
         try window.setCursor(cursor);
+    }
 
     // The mutex used to protect our renderer state.
     var mutex = try alloc.create(std.Thread.Mutex);

src/os/macos_version.zig

@@ -0,0 +1,21 @@
+const std = @import("std");
+const builtin = @import("builtin");
+const assert = std.debug.assert;
+const objc = @import("objc");
+
+/// Verifies that the running macOS system version is at least the given version.
+pub fn macosVersionAtLeast(major: i64, minor: i64, patch: i64) bool {
+    assert(builtin.target.isDarwin());
+
+    const NSProcessInfo = objc.Class.getClass("NSProcessInfo").?;
+    const info = NSProcessInfo.msgSend(objc.Object, objc.sel("processInfo"), .{});
+    return info.msgSend(bool, objc.sel("isOperatingSystemAtLeastVersion:"), .{
+        NSOperatingSystemVersion{ .major = major, .minor = minor, .patch = patch },
+    });
+}
+
+pub const NSOperatingSystemVersion = extern struct {
+    major: i64,
+    minor: i64,
+    patch: i64,
+};

src/os/main.zig

@@ -3,3 +3,4 @@
 
 pub usingnamespace @import("file.zig");
 pub usingnamespace @import("locale.zig");
+pub usingnamespace @import("macos_version.zig");