[gtk/wip/exalm/textview-selection] label: Update selection node and redraw on state changes

[Alexander Mikhaylenko <alexm src gnome org>]

commit 316c783fcef7316103fa4f05d9820480d388db52
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Tue May 4 01:25:36 2021 +0500

    label: Update selection node and redraw on state changes
    
    Mirror GtkText and GtkTextView.

 gtk/gtklabel.c | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/gtk/gtklabel.c b/gtk/gtklabel.c
index 10d65667e9..43a923d93e 100644
--- a/gtk/gtklabel.c
+++ b/gtk/gtklabel.c
@@ -742,11 +742,22 @@ gtk_label_state_flags_changed (GtkWidget     *widget,
 
   if (self->select_info)
     {
+      GtkStateFlags state;
+
       if (!gtk_widget_is_sensitive (widget))
         gtk_label_select_region (self, 0, 0);
 
       gtk_label_update_cursor (self);
       update_link_state (self);
+
+      state = gtk_widget_get_state_flags (widget) & ~GTK_STATE_FLAG_DROP_ACTIVE;
+
+      if (self->select_info->selection_node)
+        {
+          gtk_css_node_set_state (self->select_info->selection_node, state);
+
+          gtk_widget_queue_draw (widget);
+        }
     }
 
   if (GTK_WIDGET_CLASS (gtk_label_parent_class)->state_flags_changed)