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Diffstat (limited to 'trunk/pango/pango-impl-utils.h')
| -rw-r--r-- | trunk/pango/pango-impl-utils.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/trunk/pango/pango-impl-utils.h b/trunk/pango/pango-impl-utils.h new file mode 100644 index 00000000..2f71dadf --- /dev/null +++ b/trunk/pango/pango-impl-utils.h @@ -0,0 +1,100 @@ +/* Pango + * pango-impl-utils.h: Macros for get_type() functions + * Inspired by Jody Goldberg's gsf-impl-utils.h + * + * Copyright (C) 2003 Red Hat Software + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __PANGO_IMPL_UTILS_H__ +#define __PANGO_IMPL_UTILS_H__ + +#include <glib-object.h> +#include <pango/pango-utils.h> + +G_BEGIN_DECLS + +#define PANGO_DEFINE_TYPE_FULL(name, prefix, \ + class_init, instance_init, \ + parent_type, abstract) \ +GType \ +prefix ## _get_type (void) \ +{ \ + static GType object_type = 0; \ + \ + if (!object_type) \ + { \ + static const GTypeInfo object_info = \ + { \ + sizeof (name ## Class), \ + (GBaseInitFunc) NULL, \ + (GBaseFinalizeFunc) NULL, \ + (GClassInitFunc) class_init, \ + (GClassFinalizeFunc) NULL, \ + NULL, /* class_data */ \ + sizeof (name), \ + 0, /* n_prelocs */ \ + (GInstanceInitFunc) instance_init, \ + NULL /* value_table */ \ + }; \ + \ + object_type = g_type_register_static (parent_type, \ + g_intern_static_string (# name), \ + &object_info, abstract); \ + } \ + \ + return object_type; \ +} + +#define PANGO_DEFINE_TYPE(name, prefix, \ + class_init, instance_init, \ + parent_type) \ + PANGO_DEFINE_TYPE_FULL (name, prefix, \ + class_init, instance_init, \ + parent_type, 0) + +#define PANGO_DEFINE_TYPE_ABSTRACT(name, prefix, \ + class_init, instance_init, \ + parent_type) \ + PANGO_DEFINE_TYPE_FULL (name, prefix, \ + class_init, instance_init, \ + parent_type, G_TYPE_FLAG_ABSTRACT) + + + +/* Warning history. Used to not spew some warnings more than once. */ +typedef struct _PangoWarningHistory PangoWarningHistory; + +struct _PangoWarningHistory { + guint shape_font : 1; + guint shape_shape_engine : 1; + guint get_glyph_extents : 1; + guint get_metrics : 1; + guint get_font_map : 1; +}; + +extern PangoWarningHistory _pango_warning_history; + + +/* String interning for static strings */ +#define I_(string) g_intern_static_string (string) + + +G_END_DECLS + +#endif /* __PANGO_IMPL_UTILS_H__ */ + |