[gedit/wip/adjustment-checks] utils: add gedit_utils_check_adjustment_changes()

[Sébastien Wilmet <swilmet src gnome org>]

commit 2b9eeea4ae19fedbed558d4e342c7ff3cdcbbb06
Author: Sébastien Wilmet <swilmet informatique-libre be>
Date:   Mon Jul 25 02:27:10 2022 +0200

    utils: add gedit_utils_check_adjustment_changes()

 gedit/gedit-utils.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
 gedit/gedit-utils.h |  2 ++
 2 files changed, 47 insertions(+)
---
diff --git a/gedit/gedit-utils.c b/gedit/gedit-utils.c
index 1ea5a1aa0..3a554b14d 100644
--- a/gedit/gedit-utils.c
+++ b/gedit/gedit-utils.c
@@ -606,4 +606,49 @@ gedit_utils_check_adjustment_invariants (GtkAdjustment *adjustment)
        return TRUE;
 }
 
+static void
+adjustment_notify_cb (GtkAdjustment *adjustment,
+                     GParamSpec    *pspec,
+                     gpointer       user_data)
+{
+       g_assert (gedit_utils_check_adjustment_invariants (adjustment));
+}
+
+static void
+adjustment_changed_cb (GtkAdjustment *adjustment,
+                      gpointer       user_data)
+{
+       g_assert (gedit_utils_check_adjustment_invariants (adjustment));
+}
+
+static void
+adjustment_value_changed_cb (GtkAdjustment *adjustment,
+                            gpointer       user_data)
+{
+       g_assert (gedit_utils_check_adjustment_invariants (adjustment));
+}
+
+void
+gedit_utils_check_adjustment_changes (GtkAdjustment *adjustment)
+{
+       g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
+
+       g_assert (gedit_utils_check_adjustment_invariants (adjustment));
+
+       g_signal_connect (adjustment,
+                         "notify",
+                         G_CALLBACK (adjustment_notify_cb),
+                         NULL);
+
+       g_signal_connect (adjustment,
+                         "changed",
+                         G_CALLBACK (adjustment_changed_cb),
+                         NULL);
+
+       g_signal_connect (adjustment,
+                         "value-changed",
+                         G_CALLBACK (adjustment_value_changed_cb),
+                         NULL);
+}
+
 /* ex:set ts=8 noet: */
diff --git a/gedit/gedit-utils.h b/gedit/gedit-utils.h
index f400f0e34..81c86459a 100644
--- a/gedit/gedit-utils.h
+++ b/gedit/gedit-utils.h
@@ -51,6 +51,8 @@ const gchar               *gedit_utils_newline_type_to_string                 (G
 
 gboolean                  gedit_utils_check_adjustment_invariants            (GtkAdjustment *adjustment);
 
+void                      gedit_utils_check_adjustment_changes               (GtkAdjustment *adjustment);
+
 G_END_DECLS
 
 #endif /* GEDIT_UTILS_H */