From 523799a45f40ed9d0c48c75f8daeffc69c063f09 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <m@mitchellh.com>
Date: Fri, 1 Aug 2025 21:05:07 -0700
Subject: [PATCH] apprt/gtk-ng: winproto resizeEvent

---
 src/apprt/gtk-ng/class/window.zig | 49 +++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/src/apprt/gtk-ng/class/window.zig b/src/apprt/gtk-ng/class/window.zig
index 0b73f6b13..d74c2656f 100644
--- a/src/apprt/gtk-ng/class/window.zig
+++ b/src/apprt/gtk-ng/class/window.zig
@@ -2,6 +2,7 @@ const std = @import("std");
 const build_config = @import("../../../build_config.zig");
 const assert = std.debug.assert;
 const adw = @import("adw");
+const gdk = @import("gdk");
 const gio = @import("gio");
 const glib = @import("glib");
 const gobject = @import("gobject");
@@ -302,6 +303,24 @@ pub const Window = extern struct {
         // Initialize our actions
         self.initActionMap();
 
+        // We need to setup resize notifications on our surface
+        if (self.as(gtk.Native).getSurface()) |gdk_surface| {
+            _ = gobject.Object.signals.notify.connect(
+                gdk_surface,
+                *Self,
+                propGdkSurfaceWidth,
+                self,
+                .{ .detail = "width" },
+            );
+            _ = gobject.Object.signals.notify.connect(
+                gdk_surface,
+                *Self,
+                propGdkSurfaceHeight,
+                self,
+                .{ .detail = "height" },
+            );
+        }
+
         // We always sync our appearance at the end because loading our
         // config and such can affect our bindings which ar setup initially
         // in initTemplate.
@@ -726,6 +745,36 @@ pub const Window = extern struct {
         self.syncAppearance();
     }
 
+    fn propGdkSurfaceHeight(
+        _: *gdk.Surface,
+        _: *gobject.ParamSpec,
+        self: *Self,
+    ) callconv(.c) void {
+        // X11 needs to fix blurring on resize, but winproto implementations
+        // could do anything.
+        self.private().winproto.resizeEvent() catch |err| {
+            log.warn(
+                "winproto resize event failed error={}",
+                .{err},
+            );
+        };
+    }
+
+    fn propGdkSurfaceWidth(
+        _: *gdk.Surface,
+        _: *gobject.ParamSpec,
+        self: *Self,
+    ) callconv(.c) void {
+        // X11 needs to fix blurring on resize, but winproto implementations
+        // could do anything.
+        self.private().winproto.resizeEvent() catch |err| {
+            log.warn(
+                "winproto resize event failed error={}",
+                .{err},
+            );
+        };
+    }
+
     fn propFullscreened(
         _: *adw.ApplicationWindow,
         _: *gobject.ParamSpec,