[gtk+/wip/css: 125/154] styleproperty: Use a custom resolve function for colors



commit 5a31286d94d17f967b515b111a34d0d870e7bf95
Author: Benjamin Otte <otte redhat com>
Date:   Tue Jan 3 17:59:31 2012 +0100

    styleproperty: Use a custom resolve function for colors
    
    We want to make sure to fall back to the initial value of the property
    if resolving fails.
    
    This is kinda tricky, because the initial value itself might need
    resolving, too.

 gtk/gtkcssstylepropertyimpl.c |   29 +++++++++++++++++++++++------
 1 files changed, 23 insertions(+), 6 deletions(-)
---
diff --git a/gtk/gtkcssstylepropertyimpl.c b/gtk/gtkcssstylepropertyimpl.c
index 053cafb..62dffe3 100644
--- a/gtk/gtkcssstylepropertyimpl.c
+++ b/gtk/gtkcssstylepropertyimpl.c
@@ -53,6 +53,9 @@ color_compute (GtkCssStyleProperty    *property,
 {
   g_value_init (computed, GDK_TYPE_RGBA);
 
+  /* for when resolvage fails */
+restart:
+
   if (G_VALUE_HOLDS (specified, GTK_TYPE_CSS_SPECIAL_VALUE))
     {
       GtkStyleContext *parent = gtk_style_context_get_parent (context);
@@ -65,8 +68,22 @@ color_compute (GtkCssStyleProperty    *property,
                                       context,
                                       _gtk_css_style_property_get_initial_value (property));
     }
+  else if (G_VALUE_HOLDS (specified, GTK_TYPE_SYMBOLIC_COLOR))
+    {
+      GdkRGBA rgba;
+
+      if (!_gtk_style_context_resolve_color (context,
+                                             g_value_get_boxed (specified),
+                                             &rgba))
+        {
+          specified = _gtk_css_style_property_get_initial_value (property);
+          goto restart;
+        }
+
+      g_value_set_boxed (computed, &rgba);
+    }
   else
-    _gtk_css_style_compute_value (computed, context, specified);
+    g_value_copy (specified, computed);
 }
 
 static void
@@ -462,7 +479,7 @@ _gtk_css_style_property_init_properties (void)
                                           0,
                                           NULL,
                                           NULL,
-                                          NULL,
+                                          color_compute,
                                           &rgba);
 
   gtk_style_property_register            ("font-family",
@@ -663,28 +680,28 @@ _gtk_css_style_property_init_properties (void)
                                           0,
                                           NULL,
                                           NULL,
-                                          NULL,
+                                          color_compute,
                                           &value);
   _gtk_style_property_register           ("border-right-color",
                                           GDK_TYPE_RGBA,
                                           0,
                                           NULL,
                                           NULL,
-                                          NULL,
+                                          color_compute,
                                           &value);
   _gtk_style_property_register           ("border-bottom-color",
                                           GDK_TYPE_RGBA,
                                           0,
                                           NULL,
                                           NULL,
-                                          NULL,
+                                          color_compute,
                                           &value);
   _gtk_style_property_register           ("border-left-color",
                                           GDK_TYPE_RGBA,
                                           0,
                                           NULL,
                                           NULL,
-                                          NULL,
+                                          color_compute,
                                           &value);
   g_value_unset (&value);
 



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