From bf819b9c78abc95ef9103d6230de9cb2ce5b38d2 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Gerd=20M=C3=B6llmann?= <gerd@gnu.org>
Date: Tue, 30 Jul 2024 07:47:44 +0200
Subject: [PATCH] MacOS: Let EmacsView implement NSTextInputClient

* src/nsterm.h (@interface EmacsView): Implement NSTextInputClient protocol.
* src/nsterm.m: Implement required NSTextInputClient methods, forwarding
to existing NSTextInput methods.

(cherry picked from commit ceb5a1522270c41d0c9f5e6b52d61e3173f72f1d)
---
 src/nsterm.h |  2 +-
 src/nsterm.m | 41 ++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/src/nsterm.h b/src/nsterm.h
index e3f55c4e41c..a07829a36ec 100644
--- a/src/nsterm.h
+++ b/src/nsterm.h
@@ -463,7 +463,7 @@ enum ns_return_frame_mode
 @class EmacsLayer;
 
 #ifdef NS_IMPL_COCOA
-@interface EmacsView : NSView <NSTextInput, NSWindowDelegate>
+@interface EmacsView : NSView <NSTextInput, NSTextInputClient, NSWindowDelegate>
 #else
 @interface EmacsView : NSView <NSTextInput>
 #endif
diff --git a/src/nsterm.m b/src/nsterm.m
index 8a0c12c7369..b56c587bc69 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -7032,9 +7032,48 @@ ns_create_font_panel_buttons (id target, SEL select, SEL cancel_action)
   [nsEvArray removeObject: theEvent];
 }
 
+/***********************************************************************
+			   NSTextInputClient
+ ***********************************************************************/
 
-/* <NSTextInput> implementation (called through [super interpretKeyEvents:]).  */
+#ifdef NS_IMPL_COCOA
+
+- (void) insertText: (id) string
+   replacementRange: (NSRange) replacementRange
+{
+  if ([string isKindOfClass:[NSAttributedString class]])
+    string = [string string];
+  [self unmarkText];
+  [self insertText:string];
+}
+
+- (void) setMarkedText: (id) string
+	 selectedRange: (NSRange) selectedRange
+      replacementRange: (NSRange) replacementRange
+{
+  [self setMarkedText: string selectedRange: selectedRange];
+}
+
+- (nullable NSAttributedString *)
+  attributedSubstringForProposedRange: (NSRange) range
+			  actualRange: (nullable NSRangePointer) actualRange
+{
+  return nil;
+}
+
+- (NSRect) firstRectForCharacterRange: (NSRange) range
+			  actualRange: (nullable NSRangePointer) actualRange
+{
+  return NSZeroRect;
+}
 
+#endif /* NS_IMPL_COCOA */
+
+/***********************************************************************
+			      NSTextInput
+ ***********************************************************************/
+
+/* <NSTextInput> implementation (called through [super interpretKeyEvents:]).  */
 
 /* <NSTextInput>: called when done composing;
    NOTE: also called when we delete over working text, followed
-- 
2.39.2