https://bugs.gentoo.org/952006
https://gitlab.gnome.org/GNOME/gtk/-/merge_requests/8554

From d9f722455b51fe64bc1565ef1eae7230319e73cd Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Sun, 11 May 2025 09:18:22 -0400
Subject: [PATCH] Revert "immulticontext: Don't have a global_context_id"

This reverts commit 39345212e8190aefa55a5266c123b2a7afc5c75f.

This is causing eclipse crashes.

Fixes: #7438
Part-of: <https://gitlab.gnome.org/GNOME/gtk/-/merge_requests/8554>
---
 gtk/gtkimmulticontext.c | 51 ++++++++++++++++++++++-------------------
 1 file changed, 27 insertions(+), 24 deletions(-)

diff --git a/gtk/gtkimmulticontext.c b/gtk/gtkimmulticontext.c
index 2d70cdeda06..7c91fee45d0 100644
--- a/gtk/gtkimmulticontext.c
+++ b/gtk/gtkimmulticontext.c
@@ -102,6 +102,8 @@ static gboolean gtk_im_multicontext_delete_surrounding_cb   (GtkIMContext      *
 
 static void propagate_purpose (GtkIMMulticontext *context);
 
+static const gchar *global_context_id = NULL;
+
 G_DEFINE_TYPE_WITH_PRIVATE (GtkIMMulticontext, gtk_im_multicontext, GTK_TYPE_IM_CONTEXT)
 
 static void
@@ -254,7 +256,10 @@ get_effective_context_id (GtkIMMulticontext *multicontext)
   if (priv->context_id_aux)
     return priv->context_id_aux;
 
-  return _gtk_im_module_get_default_context_id ();
+  if (!global_context_id)
+    global_context_id = _gtk_im_module_get_default_context_id ();
+
+  return global_context_id;
 }
 
 static GtkIMContext *
@@ -262,6 +267,9 @@ gtk_im_multicontext_get_slave (GtkIMMulticontext *multicontext)
 {
   GtkIMMulticontextPrivate *priv = multicontext->priv;
 
+  if (g_strcmp0 (priv->context_id, get_effective_context_id (multicontext)) != 0)
+    gtk_im_multicontext_set_slave (multicontext, NULL, FALSE);
+
   if (!priv->slave)
     {
       GtkIMContext *slave;
@@ -286,28 +294,20 @@ im_module_setting_changed (GtkSettings       *settings,
                            GParamSpec        *pspec,
                            GtkIMMulticontext *self)
 {
-  gtk_im_multicontext_set_slave (self, NULL, FALSE);
+  global_context_id = NULL;
 }
 
+
 static void
 gtk_im_multicontext_set_client_window (GtkIMContext *context,
 				       GdkWindow    *window)
 {
-  GtkIMMulticontext *self = GTK_IM_MULTICONTEXT (context);
-  GtkIMMulticontextPrivate *priv = self->priv;
+  GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context);
+  GtkIMMulticontextPrivate *priv = multicontext->priv;
   GtkIMContext *slave;
   GdkScreen *screen;
   GtkSettings *settings;
-
-  if (priv->client_window != NULL)
-    {
-      screen = gdk_window_get_screen (priv->client_window);
-      settings = gtk_settings_get_for_screen (screen);
-
-      g_signal_handlers_disconnect_by_func (settings,
-                                            im_module_setting_changed,
-                                            self);
-    }
+  gboolean connected;
 
   priv->client_window = window;
 
@@ -316,12 +316,20 @@ gtk_im_multicontext_set_client_window (GtkIMContext *context,
       screen = gdk_window_get_screen (window);
       settings = gtk_settings_get_for_screen (screen);
 
-      g_signal_connect (settings, "notify::gtk-im-module",
-                        G_CALLBACK (im_module_setting_changed),
-                        self);
+      connected = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (settings),
+                                                      "gtk-im-module-connected"));
+      if (!connected)
+        {
+          g_signal_connect (settings, "notify::gtk-im-module",
+                            G_CALLBACK (im_module_setting_changed), NULL);
+          g_object_set_data (G_OBJECT (settings), "gtk-im-module-connected",
+                             GINT_TO_POINTER (TRUE));
+
+          global_context_id = NULL;
+        }
     }
 
-  slave = gtk_im_multicontext_get_slave (self);
+  slave = gtk_im_multicontext_get_slave (multicontext);
   if (slave)
     gtk_im_context_set_client_window (slave, window);
 }
@@ -716,14 +724,9 @@ gtk_im_multicontext_append_menuitems (GtkIMMulticontext *context,
 const char *
 gtk_im_multicontext_get_context_id (GtkIMMulticontext *context)
 {
-  GtkIMMulticontextPrivate *priv = context->priv;
-
   g_return_val_if_fail (GTK_IS_IM_MULTICONTEXT (context), NULL);
 
-  if (priv->context_id == NULL)
-    gtk_im_multicontext_get_slave (context);
-
-  return priv->context_id;
+  return context->priv->context_id;
 }
 
 /**
-- 
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