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textlayout: Don't call render_para too much

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render_para produces no nodes for an empty paragraph.
Don't call it over and over for those.
This commit is contained in:
Matthias Clasen 2021-04-03 22:02:45 -04:00
parent 07a3fb833c
commit 67ee6b2740
1 changed files with 3 additions and 1 deletions
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4
gtk/gtktextlayout.c
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@ -4245,7 +4245,9 @@ gtk_text_layout_snapshot (GtkTextLayout *layout,
g_clear_pointer (&line_display->node, gsk_render_node_unref);
}
if (line_display->node == NULL)
if (line_display->node == NULL &&
(pango_layout_get_character_count (line_display->layout) > 0 ||
selection_start_index != -1 || selection_end_index != -1))
{
gtk_snapshot_push_collect (snapshot);
render_para (crenderer, line_display,