gimp/libgimpmodule/gimpmodule.h

174 lines
6.0 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpmodule.h
* (C) 1999 Austin Donnelly <austin@gimp.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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 __GIMP_MODULE_H__
#define __GIMP_MODULE_H__
#include <gmodule.h>
#include <libgimpmodule/gimpmoduletypes.h>
#include <libgimpmodule/gimpmoduledb.h>
G_BEGIN_DECLS
/* increment the ABI version each time one of the following changes:
*
* - the libgimpmodule implementation (if the change affects modules).
* - one of the classes implemented by modules (currently GimpColorDisplay,
* GimpColorSelector and GimpController).
*/
#define GIMP_MODULE_ABI_VERSION 0x0004
typedef enum
{
GIMP_MODULE_STATE_ERROR, /* missing gimp_module_register function
* or other error
*/
GIMP_MODULE_STATE_LOADED, /* an instance of a type implemented by
* this module is allocated
*/
GIMP_MODULE_STATE_LOAD_FAILED, /* gimp_module_register returned FALSE
*/
GIMP_MODULE_STATE_NOT_LOADED /* there are no instances allocated of
* types implemented by this module
*/
} GimpModuleState;
#define GIMP_MODULE_ERROR (gimp_module_error_quark ())
GQuark gimp_module_error_quark (void) G_GNUC_CONST;
typedef enum
{
GIMP_MODULE_FAILED /* generic error condition */
} GimpModuleError;
struct _GimpModuleInfo
{
guint32 abi_version;
gchar *purpose;
gchar *author;
gchar *version;
gchar *copyright;
gchar *date;
};
typedef const GimpModuleInfo * (* GimpModuleQueryFunc) (GTypeModule *module);
typedef gboolean (* GimpModuleRegisterFunc) (GTypeModule *module);
/* GimpModules have to implement these */
G_MODULE_EXPORT const GimpModuleInfo * gimp_module_query (GTypeModule *module);
G_MODULE_EXPORT gboolean gimp_module_register (GTypeModule *module);
#define GIMP_TYPE_MODULE (gimp_module_get_type ())
#define GIMP_MODULE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_MODULE, GimpModule))
#define GIMP_MODULE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_MODULE, GimpModuleClass))
#define GIMP_IS_MODULE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_MODULE))
#define GIMP_IS_MODULE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_MODULE))
#define GIMP_MODULE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_MODULE, GimpModuleClass))
typedef struct _GimpModuleClass GimpModuleClass;
struct _GimpModule
{
GTypeModule parent_instance;
/*< public >*/
gchar *filename; /* path to the module */
gboolean verbose; /* verbose error reporting */
GimpModuleState state; /* what's happened to the module */
gboolean on_disk; /* TRUE if file still exists */
gboolean load_inhibit; /* user requests not to load at boot time */
/* stuff from now on may be NULL depending on the state the module is in */
/*< private >*/
GModule *module; /* handle on the module */
/*< public >*/
GimpModuleInfo *info; /* returned values from module_query */
gchar *last_module_error;
/*< private >*/
GimpModuleQueryFunc query_module;
GimpModuleRegisterFunc register_module;
};
struct _GimpModuleClass
{
GTypeModuleClass parent_class;
void (* modified) (GimpModule *module);
/* Padding for future expansion */
void (* _gimp_reserved1) (void);
void (* _gimp_reserved2) (void);
void (* _gimp_reserved3) (void);
void (* _gimp_reserved4) (void);
};
GType gimp_module_get_type (void) G_GNUC_CONST;
GimpModule * gimp_module_new (const gchar *filename,
gboolean load_inhibit,
gboolean verbose);
gboolean gimp_module_query_module (GimpModule *module);
void gimp_module_modified (GimpModule *module);
void gimp_module_set_load_inhibit (GimpModule *module,
gboolean load_inhibit);
const gchar * gimp_module_state_name (GimpModuleState state);
#ifndef GIMP_DISABLE_DEPRECATED
GType gimp_module_register_enum (GTypeModule *module,
const gchar *name,
const GEnumValue *const_static_values);
#endif /* GIMP_DISABLE_DEPRECATED */
/* GimpModuleInfo functions */
GimpModuleInfo * gimp_module_info_new (guint32 abi_version,
const gchar *purpose,
const gchar *author,
const gchar *version,
const gchar *copyright,
const gchar *date);
GimpModuleInfo * gimp_module_info_copy (const GimpModuleInfo *info);
void gimp_module_info_free (GimpModuleInfo *info);
G_END_DECLS
#endif /* __GIMP_MODULE_H__ */