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textlayout: Avoid querying CSS state if we don't have to

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This is actually pretty slow, and we almost never render a selection.
This commit is contained in:
Timm Bäder 2019-07-22 13:59:47 +02:00 committed by Timm Bäder
parent b3d0629709
commit f4cb60dcca
1 changed files with 9 additions and 7 deletions
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10
gtk/gtktextlayout.c
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@ -3798,9 +3798,8 @@ render_para (GskPangoRenderer *crenderer,
int byte_offset = 0;
PangoLayoutIter *iter;
int screen_width;
GdkRGBA *selection;
GdkRGBA *selection = NULL;
gboolean first = TRUE;
GtkCssNode *selection_node;
graphene_point_t point = { 0, offset_y };
g_return_if_fail (GTK_IS_TEXT_VIEW (crenderer->widget));
@ -3808,13 +3807,16 @@ render_para (GskPangoRenderer *crenderer,
iter = pango_layout_get_iter (layout);
screen_width = line_display->total_width;
context = gtk_widget_get_style_context (crenderer->widget);
selection_node = gtk_text_view_get_selection_node ((GtkTextView*)crenderer->widget);
context = _gtk_widget_get_style_context (crenderer->widget);
if (selection_start_index != -1 || selection_end_index != -1)
{
GtkCssNode *selection_node = gtk_text_view_get_selection_node ((GtkTextView*)crenderer->widget);
gtk_style_context_save_to_node (context, selection_node);
gtk_style_context_get (context, "background-color", &selection, NULL);
gtk_style_context_restore (context);
}
gtk_snapshot_save (crenderer->snapshot);
gtk_snapshot_translate (crenderer->snapshot, &point);