[gtk+] inspector: Minimal support for attributes

[Matthias Clasen <matthiasc src gnome org>]

commit 86adead8037ba9d6369ff7a48268f42c3bf982d2
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu May 8 10:16:58 2014 -0400

    inspector: Minimal support for attributes
    
    Show mapping information for cell renderer properties; no editing
    yet.

 modules/inspector/prop-list.c   |   44 ++++++++++++++++++++++++++++++--------
 modules/inspector/prop-list.ui  |   17 +++++++++++++++
 modules/inspector/widget-tree.c |    5 +++-
 3 files changed, 55 insertions(+), 11 deletions(-)
---
diff --git a/modules/inspector/prop-list.c b/modules/inspector/prop-list.c
index 6d10928..047ef0c 100644
--- a/modules/inspector/prop-list.c
+++ b/modules/inspector/prop-list.c
@@ -32,7 +32,8 @@ enum
   COLUMN_DEFINED_AT,
   COLUMN_OBJECT,
   COLUMN_TOOLTIP,
-  COLUMN_WRITABLE
+  COLUMN_WRITABLE,
+  COLUMN_ATTRIBUTE
 };
 
 enum
@@ -51,6 +52,7 @@ struct _GtkInspectorPropListPrivate
   GtkWidget *widget_tree;
   GtkCellRenderer *value_renderer;
   gboolean child_properties;
+  GtkTreeViewColumn *attribute_column;
 };
 
 G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorPropList, gtk_inspector_prop_list, GTK_TYPE_TREE_VIEW)
@@ -85,9 +87,6 @@ get_property (GObject    *object,
 
       case PROP_CHILD_PROPERTIES:
         g_value_set_boolean (value, pl->priv->child_properties);
-        g_object_set (pl->priv->value_renderer,
-                      "is-child-property", pl->priv->child_properties,
-                      NULL);
         break;
 
       default:
@@ -113,6 +112,9 @@ set_property (GObject      *object,
 
       case PROP_CHILD_PROPERTIES:
         pl->priv->child_properties = g_value_get_boolean (value);
+        g_object_set (pl->priv->value_renderer,
+                      "is-child-property", pl->priv->child_properties,
+                      NULL);
         break;
 
       default:
@@ -140,6 +142,7 @@ gtk_inspector_prop_list_class_init (GtkInspectorPropListClass *klass)
   gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/inspector/prop-list.ui");
   gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorPropList, model);
   gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorPropList, value_renderer);
+  gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorPropList, attribute_column);
 }
 
 static void
@@ -148,9 +151,10 @@ gtk_inspector_prop_list_update_prop (GtkInspectorPropList *pl,
                                      GParamSpec           *prop)
 {
   GValue gvalue = {0};
-  gchar *value;
+  gchar *value = NULL;
+  gchar *attribute = NULL;
 
-  g_value_init(&gvalue, prop->value_type);
+  g_value_init (&gvalue, prop->value_type);
   if (pl->priv->child_properties)
     {
       GtkWidget *parent;
@@ -172,19 +176,36 @@ gtk_inspector_prop_list_update_prop (GtkInspectorPropList *pl,
     }
   else
     {
-      value = g_strdup_value_contents(&gvalue);
+      value = g_strdup_value_contents (&gvalue);
+    }
+
+  if (GTK_IS_CELL_RENDERER (pl->priv->object))
+    {
+      gpointer *area;
+      gint column = -1;
+
+      area = g_object_get_data (pl->priv->object, "gtk-inspector-cell-area");
+      if (area)
+        column = gtk_cell_area_attribute_get_column (GTK_CELL_AREA (area),
+                                                     GTK_CELL_RENDERER (pl->priv->object),
+                                                     prop->name);
+
+       if (column != -1)
+         attribute = g_strdup_printf ("%d", column);
     }
 
   gtk_list_store_set (pl->priv->model, iter,
                       COLUMN_NAME, prop->name,
-                      COLUMN_VALUE, value ? value : g_strdup (""),
+                      COLUMN_VALUE, value ? value : "",
                       COLUMN_DEFINED_AT, g_type_name (prop->owner_type),
                       COLUMN_OBJECT, pl->priv->object,
                       COLUMN_TOOLTIP, g_param_spec_get_blurb (prop),
                       COLUMN_WRITABLE, (prop->flags & G_PARAM_WRITABLE) != 0,
+                      COLUMN_ATTRIBUTE, attribute ? attribute : "",
                       -1);
 
   g_free (value);
+  g_free (attribute);
   g_value_unset (&gvalue);
 }
 
@@ -280,12 +301,15 @@ gtk_inspector_prop_list_set_object (GtkInspectorPropList *pl,
 
       pl->priv->signal_cnxs =
           g_list_prepend (pl->priv->signal_cnxs,
-                          GINT_TO_POINTER (g_signal_connect(object, signal_name,
-                                                            G_CALLBACK 
(gtk_inspector_prop_list_prop_changed_cb), pl)));
+                          GINT_TO_POINTER (g_signal_connect (object, signal_name,
+                                                             G_CALLBACK 
(gtk_inspector_prop_list_prop_changed_cb), pl)));
 
         g_free (signal_name);
     }
 
+  g_object_set (pl->priv->attribute_column,
+                "visible", !pl->priv->child_properties && GTK_IS_CELL_RENDERER (object),
+                NULL);
   return TRUE;
 }
 
diff --git a/modules/inspector/prop-list.ui b/modules/inspector/prop-list.ui
index ed92009..19dc006 100644
--- a/modules/inspector/prop-list.ui
+++ b/modules/inspector/prop-list.ui
@@ -8,6 +8,7 @@
       <column type="GObject"/>
       <column type="gchararray"/>
       <column type="gboolean"/>
+      <column type="gchararray"/>
     </columns>
   </object>
   <template class="GtkInspectorPropList" parent="GtkTreeView">
@@ -49,6 +50,22 @@
       </object>
     </child>
     <child>
+      <object class="GtkTreeViewColumn" id="attribute_column">
+        <property name="title" translatable="yes">Attribute</property>
+        <property name="resizable">True</property>
+        <child>
+          <object class="GtkCellRendererText">
+            <property name="scale">0.8</property>
+            <property name="editable">False</property>
+          </object>
+          <attributes>
+            <attribute name="text">6</attribute>
+            <attribute name="sensitive">5</attribute>
+          </attributes>
+        </child>
+      </object>
+    </child>
+    <child>
       <object class="GtkTreeViewColumn">
         <property name="title" translatable="yes">Defined At</property>
         <child>
diff --git a/modules/inspector/widget-tree.c b/modules/inspector/widget-tree.c
index 84cbecd..f10085d 100644
--- a/modules/inspector/widget-tree.c
+++ b/modules/inspector/widget-tree.c
@@ -194,7 +194,7 @@ gtk_inspector_widget_tree_append_object (GtkInspectorWidgetTree *wt,
                       -1);
   g_hash_table_insert (wt->priv->iters, object, gtk_tree_iter_copy (&iter));
 
-  g_free(address);
+  g_free (address);
 
   if (GTK_IS_CONTAINER (object))
     {
@@ -223,11 +223,14 @@ gtk_inspector_widget_tree_append_object (GtkInspectorWidgetTree *wt,
     {
       GList *cells, *l;
       GObject *cell;
+      GtkCellArea *area;
 
+      area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (object));
       cells = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (object));
       for (l = cells; l; l = l->next)
         {
           cell = l->data;
+          g_object_set_data (cell, "gtk-inspector-cell-area", area);
           gtk_inspector_widget_tree_append_object (wt, cell, &iter, NULL);
         }
       g_list_free (cells);