gtk3/0159-cssselector-Report-finer-granularity-for-position-ch.patch

51 lines
1.7 KiB
Diff

From 69e396ea0ab6e25ebeb87ee55ea11d3a5c376f44 Mon Sep 17 00:00:00 2001
From: Benjamin Otte <otte@redhat.com>
Date: Mon, 6 Jul 2015 00:21:03 +0200
Subject: [PATCH 159/193] cssselector: Report finer granularity for position
changes
---
gtk/gtkcssselector.c | 26 +++++++++++++++++++++++++-
1 file changed, 25 insertions(+), 1 deletion(-)
diff --git a/gtk/gtkcssselector.c b/gtk/gtkcssselector.c
index eae014e..6ad744c 100644
--- a/gtk/gtkcssselector.c
+++ b/gtk/gtkcssselector.c
@@ -1036,7 +1036,31 @@ comp_pseudoclass_position (const GtkCssSelector *a,
return a->position.b - b->position.b;
}
-#define GTK_CSS_CHANGE_PSEUDOCLASS_POSITION GTK_CSS_CHANGE_POSITION
+static GtkCssChange
+change_pseudoclass_position (const GtkCssSelector *selector)
+{
+ switch (selector->position.type)
+ {
+ case POSITION_FORWARD:
+ if (selector->position.a == 0 && selector->position.b == 1)
+ return GTK_CSS_CHANGE_FIRST_CHILD;
+ else
+ return GTK_CSS_CHANGE_NTH_CHILD;
+ case POSITION_BACKWARD:
+ if (selector->position.a == 0 && selector->position.b == 1)
+ return GTK_CSS_CHANGE_LAST_CHILD;
+ else
+ return GTK_CSS_CHANGE_NTH_LAST_CHILD;
+ case POSITION_ONLY:
+ return GTK_CSS_CHANGE_FIRST_CHILD | GTK_CSS_CHANGE_LAST_CHILD;
+ default:
+ g_assert_not_reached ();
+ case POSITION_SORTED:
+ return 0;
+ }
+}
+
+#define GTK_CSS_CHANGE_PSEUDOCLASS_POSITION change_pseudoclass_position(selector)
DEFINE_SIMPLE_SELECTOR(pseudoclass_position, PSEUDOCLASS_POSITION, print_pseudoclass_position,
match_pseudoclass_position, hash_pseudoclass_position, comp_pseudoclass_position,
FALSE, TRUE, FALSE)
--
2.4.5