[gtksourceview] hover: return focus to view when dismissing

[Christian Hergert <chergert src gnome org>]

commit 858b04ea54e0b79406d473f6b74d4af40f884f8d
Author: Christian Hergert <chergert redhat com>
Date:   Mon Jul 11 10:55:57 2022 -0700

    hover: return focus to view when dismissing
    
    But only if the hover assistant contains the current focus.

 gtksourceview/gtksourcehoverassistant.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
---
diff --git a/gtksourceview/gtksourcehoverassistant.c b/gtksourceview/gtksourcehoverassistant.c
index 75acf952..5e9a32b1 100644
--- a/gtksourceview/gtksourcehoverassistant.c
+++ b/gtksourceview/gtksourcehoverassistant.c
@@ -90,7 +90,20 @@ gtk_source_hover_assistant_motion_cb (GtkSourceHoverAssistant  *self,
            y < -GRACE_Y ||
            y > height + GRACE_Y)
        {
+               GtkWidget *focus = gtk_root_get_focus (root);
+               GtkWidget *view = gtk_widget_get_ancestor (GTK_WIDGET (self), GTK_SOURCE_TYPE_VIEW);
+               gboolean return_focus;
+
+               return_focus = focus != NULL &&
+                       (focus == GTK_WIDGET (self) ||
+                        gtk_widget_is_ancestor (focus, GTK_WIDGET (self)));
+
                gtk_widget_hide (GTK_WIDGET (self));
+
+               if (return_focus && view != NULL)
+               {
+                       gtk_widget_grab_focus (GTK_WIDGET (view));
+               }
        }
 }