[gtk+] shorthand: Add a property for all subproperties

[Benjamin Otte <otte src gnome org>]

commit 2128b356b2b2e9b14d1a33ef29bd435f1a52c153
Author: Benjamin Otte <otte redhat com>
Date:   Sat Dec 31 16:31:25 2011 +0100

    shorthand: Add a property for all subproperties

 gtk/gtkcssshorthandproperty.c        |   65 ++++++++++++++++++++++++++++++++++
 gtk/gtkcssshorthandpropertyimpl.c    |   18 +++++++++
 gtk/gtkcssshorthandpropertyprivate.h |    8 ++++
 3 files changed, 91 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkcssshorthandproperty.c b/gtk/gtkcssshorthandproperty.c
index 6c29a69..64c8633 100644
--- a/gtk/gtkcssshorthandproperty.c
+++ b/gtk/gtkcssshorthandproperty.c
@@ -22,15 +22,80 @@
 
 #include "gtkcssshorthandpropertyprivate.h"
 
+#include "gtkintl.h"
+
+enum {
+  PROP_0,
+  PROP_SUBPROPERTIES,
+};
+
 G_DEFINE_TYPE (GtkCssShorthandProperty, _gtk_css_shorthand_property, GTK_TYPE_STYLE_PROPERTY)
 
 static void
+gtk_css_shorthand_property_set_property (GObject      *object,
+                                         guint         prop_id,
+                                         const GValue *value,
+                                         GParamSpec   *pspec)
+{
+  GtkCssShorthandProperty *property = GTK_CSS_SHORTHAND_PROPERTY (object);
+  const char **subproperties;
+  guint i;
+
+  switch (prop_id)
+    {
+    case PROP_SUBPROPERTIES:
+      subproperties = g_value_get_boxed (value);
+      g_assert (subproperties);
+      for (i = 0; subproperties[i] != NULL; i++)
+        {
+          GtkStyleProperty *subproperty = _gtk_style_property_lookup (subproperties[i]);
+          g_assert (GTK_IS_CSS_STYLE_PROPERTY (subproperty));
+          g_ptr_array_add (property->subproperties, subproperty);
+        }
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
 _gtk_css_shorthand_property_class_init (GtkCssShorthandPropertyClass *klass)
 {
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->set_property = gtk_css_shorthand_property_set_property;
+
+  g_object_class_install_property (object_class,
+                                   PROP_SUBPROPERTIES,
+                                   g_param_spec_boxed ("subproperties",
+                                                       P_("Subproperties"),
+                                                       P_("The list of subproperties"),
+                                                       G_TYPE_STRV,
+                                                       G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
 }
 
 static void
 _gtk_css_shorthand_property_init (GtkCssShorthandProperty *shorthand)
 {
+  shorthand->subproperties = g_ptr_array_new_with_free_func (g_object_unref);
+}
+
+GtkCssStyleProperty *
+_gtk_css_shorthand_property_get_subproperty (GtkCssShorthandProperty *shorthand,
+                                             guint                    property)
+{
+  g_return_val_if_fail (GTK_IS_CSS_SHORTHAND_PROPERTY (shorthand), NULL);
+  g_return_val_if_fail (property < shorthand->subproperties->len, NULL);
+
+  return g_ptr_array_index (shorthand->subproperties, property);
+}
+
+guint
+_gtk_css_shorthand_property_get_n_subproperties (GtkCssShorthandProperty *shorthand)
+{
+  g_return_val_if_fail (GTK_IS_CSS_SHORTHAND_PROPERTY (shorthand), 0);
+  
+  return shorthand->subproperties->len;
 }
 
diff --git a/gtk/gtkcssshorthandpropertyimpl.c b/gtk/gtkcssshorthandpropertyimpl.c
index 85da098..4f2a5cc 100644
--- a/gtk/gtkcssshorthandpropertyimpl.c
+++ b/gtk/gtkcssshorthandpropertyimpl.c
@@ -767,6 +767,7 @@ unset_border_image (GtkStyleProperties *props,
 
 static void
 _gtk_css_shorthand_property_register (GParamSpec               *pspec,
+                                      const char              **subproperties,
                                       GtkStylePropertyFlags     flags,
                                       GtkStylePropertyParser    property_parse_func,
                                       GtkStyleUnpackFunc        unpack_func,
@@ -783,6 +784,7 @@ _gtk_css_shorthand_property_register (GParamSpec               *pspec,
 
   node = g_object_new (GTK_TYPE_CSS_SHORTHAND_PROPERTY,
                        "name", pspec->name,
+                       "subproperties", subproperties,
                        NULL);
 
   node->flags = flags;
@@ -798,10 +800,20 @@ _gtk_css_shorthand_property_register (GParamSpec               *pspec,
 void
 _gtk_css_shorthand_property_init_properties (void)
 {
+  const char *font_subproperties[] = { "font-family", "font-style", "font-variant", "font-weight", "font-size", NULL };
+  const char *margin_subproperties[] = { "margin-top", "margin-right", "margin-bottom", "margin-left", NULL };
+  const char *padding_subproperties[] = { "padding-top", "padding-right", "padding-bottom", "padding-left", NULL };
+  const char *border_width_subproperties[] = { "border-top-width", "border-right-width", "border-bottom-width", "border-left-width", NULL };
+  const char *border_radius_subproperties[] = { "border-top-left-radius", "border-top-right-radius",
+                                                "border-bottom-right-radius", "border-bottom-left-radius", NULL };
+  const char *border_color_subproperties[] = { "border-top-color", "border-right-color", "border-bottom-color", "border-left-color", NULL };
+  const char *border_image_subproperties[] = { "border-image-source", "border-image-slice", "border-image-width", "border-image-repeat", NULL };
+
   _gtk_css_shorthand_property_register   (g_param_spec_boxed ("font",
                                                               "Font Description",
                                                               "Font Description",
                                                               PANGO_TYPE_FONT_DESCRIPTION, 0),
+                                          font_subproperties,
                                           GTK_STYLE_PROPERTY_INHERIT,
                                           NULL,
                                           unpack_font_description,
@@ -814,6 +826,7 @@ _gtk_css_shorthand_property_init_properties (void)
                                                               "Margin",
                                                               "Margin",
                                                               GTK_TYPE_BORDER, 0),
+                                          margin_subproperties,
                                           0,
                                           NULL,
                                           unpack_margin,
@@ -826,6 +839,7 @@ _gtk_css_shorthand_property_init_properties (void)
                                                               "Padding",
                                                               "Padding",
                                                               GTK_TYPE_BORDER, 0),
+                                          padding_subproperties,
                                           0,
                                           NULL,
                                           unpack_padding,
@@ -838,6 +852,7 @@ _gtk_css_shorthand_property_init_properties (void)
                                                               "Border width",
                                                               "Border width, in pixels",
                                                               GTK_TYPE_BORDER, 0),
+                                          border_width_subproperties,
                                           0,
                                           NULL,
                                           unpack_border_width,
@@ -850,6 +865,7 @@ _gtk_css_shorthand_property_init_properties (void)
                                                             "Border radius",
                                                             "Border radius, in pixels",
                                                             0, G_MAXINT, 0, 0),
+                                          border_radius_subproperties,
                                           0,
                                           NULL,
                                           unpack_border_radius,
@@ -862,6 +878,7 @@ _gtk_css_shorthand_property_init_properties (void)
                                                               "Border color",
                                                               "Border color",
                                                               GDK_TYPE_RGBA, 0),
+                                          border_color_subproperties,
                                           0,
                                           NULL,
                                           unpack_border_color,
@@ -874,6 +891,7 @@ _gtk_css_shorthand_property_init_properties (void)
                                                               "Border Image",
                                                               "Border Image",
                                                               GTK_TYPE_BORDER_IMAGE, 0),
+                                          border_image_subproperties,
                                           0,
                                           NULL,
                                           _gtk_border_image_unpack,
diff --git a/gtk/gtkcssshorthandpropertyprivate.h b/gtk/gtkcssshorthandpropertyprivate.h
index 50eaa2b..c53bed7 100644
--- a/gtk/gtkcssshorthandpropertyprivate.h
+++ b/gtk/gtkcssshorthandpropertyprivate.h
@@ -23,6 +23,8 @@
 
 #include <glib-object.h>
 
+#include "gtk/gtkcssparserprivate.h"
+#include "gtk/gtkcssstylepropertyprivate.h"
 #include "gtk/gtkstylepropertyprivate.h"
 
 G_BEGIN_DECLS
@@ -40,6 +42,8 @@ typedef struct _GtkCssShorthandPropertyClass      GtkCssShorthandPropertyClass;
 struct _GtkCssShorthandProperty
 {
   GtkStyleProperty parent;
+
+  GPtrArray *subproperties;
 };
 
 struct _GtkCssShorthandPropertyClass
@@ -51,6 +55,10 @@ void                    _gtk_css_shorthand_property_init_properties     (void);
 
 GType                   _gtk_css_shorthand_property_get_type            (void) G_GNUC_CONST;
 
+GtkCssStyleProperty *   _gtk_css_shorthand_property_get_subproperty     (GtkCssShorthandProperty *shorthand,
+                                                                         guint                    property);
+guint                   _gtk_css_shorthand_property_get_n_subproperties (GtkCssShorthandProperty *shorthand);
+
 
 G_END_DECLS