Modificaciones varias:

- Se han añadido constructores new() a las columnas.
	- VnLabel se alinea a la izquierda y hace un widget_show()

module/src/vn-consulter.c

@@ -105,11 +105,15 @@ format = "%Y-%m-%d %T";
 //format = "%s";
 				}
 
-				column = vn_grid_append_column (obj->grid, i
+				column = g_object_new (col_type
-					,db_model_get_column_name (model, i)
+					,"title", db_model_get_column_name (model, i)
-					,col_type
+					,"column-index", i
-					,TRUE, FALSE
+					,"editable", TRUE
+					,"expand", FALSE
+					,NULL
 				);
+				gtk_tree_view_append_column (GTK_TREE_VIEW (obj->grid),
+					GTK_TREE_VIEW_COLUMN (column));
 
 if (format)
 	g_object_set (column, "format", format, NULL);
@@ -221,6 +225,7 @@ static void vn_consulter_open (VnConsulter * obj)
 		,"/*pg*/ SELECT id1, id2, name, ok, date, number, floating, image "
 			"FROM prueben"
 		,"/*pg*/ SELECT id1, number, floating FROM prueben LIMIT 1"
+		,"SELECT 1, 'A', 1.1, TRUE, NULL"
 		,NULL
 	};
 

vn/column/vn-column-check.c

@@ -19,6 +19,11 @@
 
 G_DEFINE_TYPE (VnColumnCheck, vn_column_check, VN_TYPE_COLUMN);
 
+VnColumn * vn_column_check_new ()
+{
+	return g_object_new (VN_TYPE_COLUMN_CHECK, NULL);
+}
+
 //+++++++++++++++++++++++++++++++++++++++++++++++++++ Private
 
 static void vn_column_check_cb_toggled (GtkCellRendererToggle * cell,

vn/column/vn-column-check.h

@@ -42,5 +42,6 @@ struct _VnColumnCheckClass
 };
 
 GType		vn_column_check_get_type	();
+VnColumn *  vn_column_check_new			();
 
 #endif

vn/column/vn-column-combo.c

@@ -25,6 +25,13 @@ G_DEFINE_TYPE_WITH_CODE (VnColumnCombo, vn_column_combo, VN_TYPE_COLUMN,
 		vn_column_combo_model_holder_init)
 );
 
+VnColumn * vn_column_combo_new ()
+{
+	return g_object_new (VN_TYPE_COLUMN_COMBO, NULL);
+}
+
+//+++++++++++++++++++++++++++++++++++++++++++++++++++ Private
+
 static void vn_column_combo_set_value (VnColumnCombo * obj, GtkTreeModel * model,
 	GtkTreeIter * tree_iter, GObject * cell, const GValue * value)
 {

vn/column/vn-column-combo.h

@@ -51,5 +51,6 @@ struct _VnColumnComboClass
 };
 
 GType		vn_column_combo_get_type	();
+VnColumn *  vn_column_combo_new			();
 
 #endif

vn/column/vn-column-entry.c

@@ -19,6 +19,11 @@
 
 G_DEFINE_TYPE (VnColumnEntry, vn_column_entry, VN_TYPE_COLUMN);
 
+VnColumn * vn_column_entry_new ()
+{
+	return g_object_new (VN_TYPE_COLUMN_ENTRY, NULL);
+}
+
 //+++++++++++++++++++++++++++++++++++++++++++++++++++ Private
 
 static void vn_column_entry_cb_edited (GtkCellRendererText * cell,

vn/column/vn-column-entry.h

@@ -44,5 +44,6 @@ struct _VnColumnEntryClass
 };
 
 GType		vn_column_entry_get_type	();
+VnColumn *  vn_column_entry_new			();
 
 #endif

vn/column/vn-column-image.c

@@ -41,7 +41,12 @@ typedef struct
 }
 TooltipData;
 
-//+++++++++++++++++++++++++++++++++++++++++++++++++++ Methods
+VnColumn * vn_column_image_new ()
+{
+	return g_object_new (VN_TYPE_COLUMN_IMAGE, NULL);
+}
+
+//+++++++++++++++++++++++++++++++++++++++++++++++++++ Private
 
 static void vn_column_image_download_error (VnColumnImage * obj, const GError * error)
 {

vn/column/vn-column-image.h

@@ -55,5 +55,6 @@ struct _VnColumnImageClass
 };
 
 GType		vn_column_image_get_type	();
+VnColumn *  vn_column_image_new			();
 
 #endif

vn/column/vn-column-spin.c

@@ -20,6 +20,13 @@
 
 G_DEFINE_TYPE (VnColumnSpin, vn_column_spin, VN_TYPE_COLUMN);
 
+VnColumn * vn_column_spin_new ()
+{
+	return g_object_new (VN_TYPE_COLUMN_SPIN, NULL);
+}
+
+//+++++++++++++++++++++++++++++++++++++++++++++++++++ Private
+
 static void vn_column_spin_on_edited (GtkCellRendererSpin * cell,
 	const gchar * path, gchar * text, VnColumnSpin * obj)
 {

vn/column/vn-column-spin.h

@@ -44,5 +44,6 @@ struct _VnColumnSpinClass
 };
 
 GType		vn_column_spin_get_type		();
+VnColumn *  vn_column_spin_new			();
 
 #endif

vn/field/vn-label.c

@@ -25,7 +25,6 @@
  *
  * A label representing a generic value field.
  */
-
 G_DEFINE_TYPE (VnLabel, vn_label, VN_TYPE_FIELD);
 
 /**
@@ -90,6 +89,8 @@ static void vn_label_init (VnLabel * obj)
 {
 	obj->format = NULL;
 	obj->label = GTK_LABEL (gtk_label_new (""));
+	gtk_misc_set_alignment (GTK_MISC (obj->label), 0, 0.5);
+	gtk_widget_show (GTK_WIDGET (obj->label));
 	gtk_container_add (GTK_CONTAINER (obj), GTK_WIDGET (obj->label));
 
 	VN_FIELD (obj)->field = GTK_WIDGET (obj->label);

vn/vn-grid.c

@@ -349,103 +349,6 @@ DbModel * vn_grid_get_model (VnGrid * obj)
 	return obj->model;
 }
 
-/**
- * vn_grid_insert_column:
- * @obj: #VnGrid where the new column will be appended
- * @position: the position where the column will be inserted
- * @column_index: the index of the source column in the model
- * @title: the title
- * @column_type: the #GType of the assigned #VnColumn
- * @editable: a %gboolean indicating whether the column is editable
- * @expand: a %gboolean indicating whether the column is expandable
- * 
- * Creates and inserts a new column in the grid with the given column and
- * position, if @position is -1 the column will be appended to the end.
- *
- * Return value: (transfer none): the #VnColumn assigned to the new column.
- **/
-VnColumn * vn_grid_insert_column (VnGrid * obj, gint position, gint column_index,
-	const gchar * title, GType column_type, gboolean editable, gboolean expand)
-{
-	GtkTreeViewColumn * column;
-
-	g_return_val_if_fail (VN_IS_GRID (obj), NULL);
-	g_return_val_if_fail (index >= 0, NULL);
-	g_return_val_if_fail (g_type_is_a (column_type, VN_TYPE_COLUMN), NULL);
-
-	column = g_object_new (column_type
-		,"title"			,title
-		,"expand"			,expand
-		,"resizable"		,TRUE
-		,"sort-indicator"	,TRUE
-		,"sizing"			,GTK_TREE_VIEW_COLUMN_GROW_ONLY
-		,"column-index"		,column_index
-		,"editable"			,editable
-		,NULL
-	);
-
-	gtk_tree_view_append_column (GTK_TREE_VIEW (obj), column);
-	return VN_COLUMN (column);
-}
-
-/**
- * vn_grid_append_column:
- * @obj: #VnGrid where the new column will be appended
- * @column_index: the index of the source column in the model
- * @title: the title
- * @column_type: the #GType of the assigned #VnCell
- * @editable: a %gboolean indicating whether the column is editable
- * @expand: a %gboolean indicating whether the column is expandable
- * 
- * Creates and appends a new column at the end of the grid with the given column.
- *
- * Return value: (transfer none): the #VnCell assigned to the new column.
- **/
-VnColumn * vn_grid_append_column (VnGrid * obj, gint column_index, const gchar * title,
-	GType column_type, gboolean editable, gboolean expand)
-{
-	g_return_val_if_fail (VN_IS_GRID (obj), NULL);
-	g_return_val_if_fail (index >= 0, NULL);
-	g_return_val_if_fail (g_type_is_a (column_type, VN_TYPE_COLUMN), NULL);
-
-	return vn_grid_insert_column (obj, -1, column_index, title, column_type, editable, expand);
-}
-
-/**
- * vn_grid_append_columns:
- * @obj: the #VnGrid
- * @...: columns information, see vn_grid_append_column(), terminated with -1
- * 
- * Appends columns into a #VnGrid.
- **/
-void vn_grid_append_columns (VnGrid * obj, ...)
-{
-	va_list vl;
-	gint index;
-	gchar * title;
-	GType column_type;
-	gboolean editable;
-	gboolean expand;
-
-	g_return_if_fail (VN_IS_GRID (obj));
-
-	va_start (vl, obj);
-
-	while ((index = va_arg (vl, gint)) != -1)
-	{
-		title = va_arg (vl, gchar *);
-		column_type = va_arg (vl, GType);
-		editable = va_arg (vl, gboolean);
-		expand = va_arg (vl, gboolean);
-
-		vn_grid_append_column (obj,
-			index, title, column_type, editable, expand);
-	}	
-
-	va_end (vl);
-	gtk_tree_view_columns_autosize (GTK_TREE_VIEW (obj));
-}
-
 //+++++++++++++++++++++++++++++++++++++++++++++++++++ Properties
 
 typedef enum

vn/vn-grid.h

@@ -52,8 +52,5 @@ VnGrid *		vn_grid_new_with_iterator	(DbIterator * iterator);
 DbIterator *	vn_grid_get_iterator		(VnGrid * obj);
 void			vn_grid_set_iterator		(VnGrid * obj, DbIterator * iterator);
 DbModel *		vn_grid_get_model			(VnGrid * obj);
-VnColumn *		vn_grid_insert_column		(VnGrid * obj, gint position, gint column_index, const gchar * title, GType column_type, gboolean editable, gboolean expand);
-VnColumn *		vn_grid_append_column		(VnGrid * obj, gint column_index, const gchar * title, GType column_type, gboolean editable, gboolean expand);
-void			vn_grid_append_columns		(VnGrid * obj, ...);
 
 #endif