[gtk] entry: Disconnect text signals in dispose

[Matthias Clasen <matthiasc src gnome org>]

commit 56df49971ad9fe74b02f8251c6805c10626f7cdf
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Mar 21 19:15:24 2019 -0400

    entry: Disconnect text signals in dispose
    
    This was showing up as crashes when closing
    the file chooser.

 gtk/gtkentry.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtkentry.c b/gtk/gtkentry.c
index 499fbe9a84..eafc963790 100644
--- a/gtk/gtkentry.c
+++ b/gtk/gtkentry.c
@@ -1254,6 +1254,15 @@ connect_text_signals (GtkEntry *entry)
   g_signal_connect (priv->text, "notify", G_CALLBACK (notify_cb), entry);
 }
 
+static void
+disconnect_text_signals (GtkEntry *entry)
+{
+  GtkEntryPrivate *priv = gtk_entry_get_instance_private (entry);
+
+  g_signal_handlers_disconnect_by_func (priv->text, activate_cb, entry);
+  g_signal_handlers_disconnect_by_func (priv->text, notify_cb, entry);
+}
+
 static void
 gtk_entry_init (GtkEntry *entry)
 {
@@ -1278,7 +1287,10 @@ gtk_entry_dispose (GObject *object)
   gtk_entry_set_completion (entry, NULL);
 
   if (priv->text)
-    gtk_editable_finish_delegate (GTK_EDITABLE (entry));
+    {
+      disconnect_text_signals (entry);
+      gtk_editable_finish_delegate (GTK_EDITABLE (entry));
+    }
   g_clear_pointer (&priv->text, gtk_widget_unparent);
 
   gtk_entry_set_icon_from_paintable (entry, GTK_ENTRY_ICON_PRIMARY, NULL);