[gtk/gtk-3-24] treeview: Remove in_scroll flag

[Matthias Clasen <matthiasc src gnome org>]

commit 0f216525af6be01199c88d8a92712d9384f857fb
Author: Timm Bäder <mail baedert org>
Date:   Wed Jul 3 16:15:52 2019 -0400

    treeview: Remove in_scroll flag
    
    Keep using the pixel cache for backwards-compat, but remove the
    in_scroll flag to fix the missing invalidation during scrolling.
    
    Fixes #1977

 gtk/gtktreeview.c | 9 ---------
 1 file changed, 9 deletions(-)
---
diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index 7782d0729e..6364ca8aca 100644
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -495,8 +495,6 @@ struct _GtkTreeViewPrivate
   guint hover_expand : 1;
   guint imcontext_changed : 1;
 
-  guint in_scroll : 1;
-
   guint rubber_banding_enable : 1;
 
   guint in_grab : 1;
@@ -2421,11 +2419,6 @@ gtk_tree_view_bin_window_invalidate_handler (GdkWindow *window,
   gdk_window_get_user_data (window, &widget);
   tree_view = GTK_TREE_VIEW (widget);
 
-  /* Scrolling will invalidate everything in the bin window,
-     but we already have it in the cache, so we can ignore that */
-  if (tree_view->priv->in_scroll)
-    return;
-
   y = gtk_adjustment_get_value (tree_view->priv->vadjustment);
   cairo_region_translate (region,
                          0, y);
@@ -11400,9 +11393,7 @@ gtk_tree_view_adjustment_changed (GtkAdjustment *adjustment,
                       - gtk_adjustment_get_value (tree_view->priv->hadjustment),
                       0);
       dy = tree_view->priv->dy - (int) gtk_adjustment_get_value (tree_view->priv->vadjustment);
-      tree_view->priv->in_scroll = TRUE;
       gdk_window_scroll (tree_view->priv->bin_window, 0, dy);
-      tree_view->priv->in_scroll = FALSE;
 
       if (dy != 0)
         {