[gtk+/nth-child: 17/22] styleproperty: Allow passing in a parse func and a print func

[Benjamin Otte <otte src gnome org>]

commit 13d4f74ee91ab1caba97142572ef275c670d2457
Author: Benjamin Otte <otte redhat com>
Date:   Thu May 26 01:46:49 2011 +0200

    styleproperty: Allow passing in a parse func and a print func
    
    It's not used yet, but it's now possible to specify a custom read or
    write func.

 gtk/gtkstyleproperties.c      |    2 +
 gtk/gtkstyleproperty.c        |   43 +++++++++++++++++++++++++++-------------
 gtk/gtkstylepropertyprivate.h |   12 ++++++++++-
 3 files changed, 42 insertions(+), 15 deletions(-)
---
diff --git a/gtk/gtkstyleproperties.c b/gtk/gtkstyleproperties.c
index 3cb6880..97ecfd2 100644
--- a/gtk/gtkstyleproperties.c
+++ b/gtk/gtkstyleproperties.c
@@ -313,6 +313,8 @@ gtk_style_properties_register_property (GtkStylePropertyParser  parse_func,
   _gtk_style_property_register (pspec,
                                 parse_func,
                                 NULL,
+                                NULL,
+                                NULL,
                                 NULL);
 }
 
diff --git a/gtk/gtkstyleproperty.c b/gtk/gtkstyleproperty.c
index 79106d6..787de81 100644
--- a/gtk/gtkstyleproperty.c
+++ b/gtk/gtkstyleproperty.c
@@ -40,12 +40,6 @@
 #include "gtkthemingengine.h"
 #include "gtktypebuiltins.h"
 
-typedef gboolean (* GtkStyleParseFunc)        (GtkCssParser  *parser,
-                                               GFile         *base,
-                                               GValue        *value);
-typedef void     (* GtkStylePrintFunc)        (const GValue  *value,
-                                               GString       *string);
-
 static GHashTable *parse_funcs = NULL;
 static GHashTable *print_funcs = NULL;
 static GHashTable *properties = NULL;
@@ -1412,10 +1406,15 @@ _gtk_style_property_parse_value (const GtkStyleProperty *property,
 
           return success;
         }
+
+      func = property->parse_func;
     }
+  else
+    func = NULL;
 
-  func = g_hash_table_lookup (parse_funcs,
-                              GSIZE_TO_POINTER (G_VALUE_TYPE (value)));
+  if (func == NULL)
+    func = g_hash_table_lookup (parse_funcs,
+                                GSIZE_TO_POINTER (G_VALUE_TYPE (value)));
   if (func == NULL)
     func = g_hash_table_lookup (parse_funcs,
                                 GSIZE_TO_POINTER (g_type_fundamental (G_VALUE_TYPE (value))));
@@ -1440,8 +1439,14 @@ _gtk_style_property_print_value (const GtkStyleProperty *property,
 
   css_string_funcs_init ();
 
-  func = g_hash_table_lookup (print_funcs,
-                              GSIZE_TO_POINTER (G_VALUE_TYPE (value)));
+  if (property)
+    func = property->print_func;
+  else
+    func = NULL;
+
+  if (func == NULL)
+    func = g_hash_table_lookup (print_funcs,
+                                GSIZE_TO_POINTER (G_VALUE_TYPE (value)));
   if (func == NULL)
     func = g_hash_table_lookup (print_funcs,
                                 GSIZE_TO_POINTER (g_type_fundamental (G_VALUE_TYPE (value))));
@@ -1559,7 +1564,9 @@ gtk_style_property_init (void)
                                                               GTK_TYPE_BORDER, 0),
                                           NULL,
                                           unpack_margin,
-                                          pack_margin);
+                                          pack_margin,
+                                          NULL,
+                                          NULL);
   gtk_style_properties_register_property (NULL,
                                           g_param_spec_int ("padding-top",
                                                             "padding top",
@@ -1586,7 +1593,9 @@ gtk_style_property_init (void)
                                                               GTK_TYPE_BORDER, 0),
                                           NULL,
                                           unpack_padding,
-                                          pack_padding);
+                                          pack_padding,
+                                          NULL,
+                                          NULL);
   gtk_style_properties_register_property (NULL,
                                           g_param_spec_int ("border-top-width",
                                                             "border top width",
@@ -1613,7 +1622,9 @@ gtk_style_property_init (void)
                                                               GTK_TYPE_BORDER, 0),
                                           NULL,
                                           unpack_border_width,
-                                          pack_border_width);
+                                          pack_border_width,
+                                          NULL,
+                                          NULL);
   gtk_style_properties_register_property (NULL,
                                           g_param_spec_int ("border-radius",
                                                             "Border radius",
@@ -1671,7 +1682,9 @@ void
 _gtk_style_property_register (GParamSpec             *pspec,
                               GtkStylePropertyParser  property_parse_func,
                               GtkStyleUnpackFunc      unpack_func,
-                              GtkStylePackFunc        pack_func)
+                              GtkStylePackFunc        pack_func,
+                              GtkStyleParseFunc       parse_func,
+                              GtkStylePrintFunc       print_func)
 {
   const GtkStyleProperty *existing;
   GtkStyleProperty *node;
@@ -1693,6 +1706,8 @@ _gtk_style_property_register (GParamSpec             *pspec,
   node->property_parse_func = property_parse_func;
   node->pack_func = pack_func;
   node->unpack_func = unpack_func;
+  node->parse_func = parse_func;
+  node->print_func = print_func;
 
   g_hash_table_insert (properties, pspec->name, node);
 }
diff --git a/gtk/gtkstylepropertyprivate.h b/gtk/gtkstylepropertyprivate.h
index 2fa772b..64789bc 100644
--- a/gtk/gtkstylepropertyprivate.h
+++ b/gtk/gtkstylepropertyprivate.h
@@ -31,6 +31,12 @@ typedef GParameter *     (* GtkStyleUnpackFunc)            (const GValue
 typedef void             (* GtkStylePackFunc)              (GValue                 *value,
                                                             GtkStyleProperties     *props,
                                                             GtkStateFlags           state);
+typedef gboolean         (* GtkStyleParseFunc)             (GtkCssParser           *parser,
+                                                            GFile                  *base,
+                                                            GValue                 *value);
+typedef void             (* GtkStylePrintFunc)             (const GValue           *value,
+                                                            GString                *string);
+
 
 struct _GtkStyleProperty
 {
@@ -38,6 +44,8 @@ struct _GtkStyleProperty
   GtkStylePropertyParser  property_parse_func;
   GtkStyleUnpackFunc      unpack_func;
   GtkStylePackFunc        pack_func;
+  GtkStyleParseFunc       parse_func;
+  GtkStylePrintFunc       print_func;
 };
 
 const GtkStyleProperty * _gtk_style_property_lookup        (const char             *name);
@@ -45,7 +53,9 @@ const GtkStyleProperty * _gtk_style_property_lookup        (const char
 void                     _gtk_style_property_register      (GParamSpec             *pspec,
                                                             GtkStylePropertyParser  property_parse_func,
                                                             GtkStyleUnpackFunc      unpack_func,
-                                                            GtkStylePackFunc        pack_func);
+                                                            GtkStylePackFunc        pack_func,
+                                                            GtkStyleParseFunc       parse_func,
+                                                            GtkStylePrintFunc       print_func);
 
 gboolean                 _gtk_style_property_is_shorthand  (const GtkStyleProperty *property);
 GParameter *             _gtk_style_property_unpack        (const GtkStyleProperty *property,