[balsa/gtk4: 298/314] mailbox-conf: No more "selection-changed" signal

[Peter Bloomfield <peterb src gnome org>]

commit 1b348a8c652c4bc3c117dbf7b76d844d6bb67a07
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Tue Nov 24 11:08:35 2020 -0500

    mailbox-conf: No more "selection-changed" signal
    
    And it has no replacement or equivalent, so we cannot check for blank fields except
    when the user types in the GtkEntry widget.

 src/mailbox-conf.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/src/mailbox-conf.c b/src/mailbox-conf.c
index 2089811cb..7419dca1f 100644
--- a/src/mailbox-conf.c
+++ b/src/mailbox-conf.c
@@ -701,8 +701,7 @@ balsa_get_entry(GtkWidget * widget, GtkWidget ** entry)
 }
 
 /*
- * Callback for the file chooser's "selection-changed" signal and its
- * entry's "changed" signal
+ * Callback for the file chooser's entry's "changed" signal
  *
  * If the path has really changed, call check_for_blank_fields to set
  * the sensitivity of the buttons appropriately.  If it hasn't, this is
@@ -711,7 +710,7 @@ balsa_get_entry(GtkWidget * widget, GtkWidget ** entry)
  */
 static void
 local_mailbox_dialog_cb(GtkWidget         *widget,
-                                               MailboxConfWindow *mcw)
+                        MailboxConfWindow *mcw)
 {
     GFile *file;
     gchar *filename;
@@ -785,7 +784,6 @@ create_local_mailbox_dialog(MailboxConfWindow *mcw)
         gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), file, NULL);
         g_object_unref(file);
     }
-    g_signal_connect(dialog, "selection-changed", G_CALLBACK(local_mailbox_dialog_cb), mcw);
 
     size_group = libbalsa_create_size_group(dialog);
     if (libbalsa_mailbox_get_config_prefix(mcw->mailbox) != NULL) {