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treeview: always pixelcache widget contents

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GtkTreeView has a particularly expensive drawing path. This can cause
issues when part of animated widget sequences. Caching the content while
a model is attached helps reduce the number of full redraws during
exposure greatly.

https://bugzilla.gnome.org/show_bug.cgi?id=751082
This commit is contained in:
Christian Hergert 2015-06-16 16:50:44 -07:00
parent 6a2143ab31
commit fb06b6e4b8
1 changed files with 2 additions and 0 deletions
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gtk/gtktreeview.c
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@ -11540,6 +11540,8 @@ gtk_tree_view_set_model (GtkTreeView *tree_view,
if (tree_view->priv->selection)
_gtk_tree_selection_emit_changed (tree_view->priv->selection);
_gtk_pixel_cache_set_always_cache (tree_view->priv->pixel_cache, (model != NULL));
if (gtk_widget_get_realized (GTK_WIDGET (tree_view)))
gtk_widget_queue_resize (GTK_WIDGET (tree_view));
}