From dbb8d1dd07a91171ba4a32119713c05e0483de91 Mon Sep 17 00:00:00 2001
From: Benjamin Otte <otte@redhat.com>
Date: Tue, 20 Jan 2015 00:33:34 +0100
Subject: stylecontext: Keep track of the CSS ID

This is necessary since we do the new caching and need to distinguish
between styles with different IDs.

Fixes various test cases.
---
 gtk/gtkcssnodedeclaration.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'gtk/gtkcssnodedeclaration.c')

diff --git a/gtk/gtkcssnodedeclaration.c b/gtk/gtkcssnodedeclaration.c
index e5c718708a..989ad94fd4 100644
--- a/gtk/gtkcssnodedeclaration.c
+++ b/gtk/gtkcssnodedeclaration.c
@@ -33,6 +33,7 @@ struct _GtkCssNodeDeclaration {
   guint refcount;
   GtkJunctionSides junction_sides;
   GType type;
+  const /* interened */ char *id;
   GtkStateFlags state;
   guint n_classes;
   guint n_regions;
@@ -180,6 +181,27 @@ gtk_css_node_declaration_get_type (const GtkCssNodeDeclaration *decl)
   return decl->type;
 }
 
+gboolean
+gtk_css_node_declaration_set_id (GtkCssNodeDeclaration **decl,
+                                 const char             *id)
+{
+  id = g_intern_string (id);
+
+  if ((*decl)->id == id)
+    return FALSE;
+
+  gtk_css_node_declaration_make_writable (decl);
+  (*decl)->id = id;
+
+  return TRUE;
+}
+
+const char *
+gtk_css_node_declaration_get_id (const GtkCssNodeDeclaration *decl)
+{
+  return decl->id;
+}
+
 gboolean
 gtk_css_node_declaration_set_state (GtkCssNodeDeclaration **decl,
                                     GtkStateFlags           state)
@@ -447,6 +469,8 @@ gtk_css_node_declaration_hash (gconstpointer elem)
   guint hash, i;
   
   hash = (guint) decl->type;
+  hash <<= 5;
+  hash ^= GPOINTER_TO_UINT (decl->id);
 
   classes = get_classes (decl);
   for (i = 0; i < decl->n_classes; i++)
@@ -488,6 +512,9 @@ gtk_css_node_declaration_equal (gconstpointer elem1,
   if (decl1->state != decl2->state)
     return FALSE;
 
+  if (decl1->id != decl2->id)
+    return FALSE;
+
   if (decl1->n_classes != decl2->n_classes)
     return FALSE;
 
-- 
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