119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
/*
|
|
* e-binding.h
|
|
*
|
|
* This program 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) version 3.
|
|
*
|
|
* This program 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 the program; if not, see <http://www.gnu.org/licenses/>
|
|
*
|
|
*
|
|
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
|
|
*
|
|
*/
|
|
|
|
/* This is a direct rip-off of Xfce's excellent ExoBinding API,
|
|
* which binds two GObject properties together. ExoBinding was
|
|
* written by Benedikt Meurer <benny@xfce.org>. */
|
|
|
|
#ifndef E_BINDING_H
|
|
#define E_BINDING_H
|
|
|
|
#include <gdk/gdk.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _EBinding EBinding;
|
|
typedef struct _EBindingBase EBindingBase;
|
|
typedef struct _EBindingLink EBindingLink;
|
|
typedef struct _EMutualBinding EMutualBinding;
|
|
|
|
typedef gboolean (*EBindingTransform) (const GValue *src_value,
|
|
GValue *dst_value,
|
|
gpointer user_data);
|
|
|
|
struct _EBindingBase {
|
|
GDestroyNotify destroy;
|
|
};
|
|
|
|
struct _EBindingLink {
|
|
GObject *dst_object;
|
|
GParamSpec *dst_pspec;
|
|
gulong dst_handler; /* only set for mutual bindings */
|
|
gulong handler;
|
|
EBindingTransform transform;
|
|
gpointer user_data;
|
|
};
|
|
|
|
struct _EBinding {
|
|
/*< private >*/
|
|
GObject *src_object;
|
|
EBindingBase base;
|
|
EBindingLink link;
|
|
};
|
|
|
|
struct _EMutualBinding {
|
|
/*< private >*/
|
|
EBindingBase base;
|
|
EBindingLink direct;
|
|
EBindingLink reverse;
|
|
};
|
|
|
|
EBinding * e_binding_new (GObject *src_object,
|
|
const gchar *src_property,
|
|
GObject *dst_object,
|
|
const gchar *dst_property);
|
|
EBinding * e_binding_new_full (GObject *src_object,
|
|
const gchar *src_property,
|
|
GObject *dst_object,
|
|
const gchar *dst_property,
|
|
EBindingTransform transform,
|
|
GDestroyNotify destroy_notify,
|
|
gpointer user_data);
|
|
EBinding * e_binding_new_with_negation (GObject *src_object,
|
|
const gchar *src_property,
|
|
GObject *dst_object,
|
|
const gchar *dst_property);
|
|
void e_binding_unbind (EBinding *binding);
|
|
|
|
EMutualBinding *e_mutual_binding_new (GObject *object1,
|
|
const gchar *property1,
|
|
GObject *object2,
|
|
const gchar *property2);
|
|
EMutualBinding *e_mutual_binding_new_full (GObject *object1,
|
|
const gchar *property1,
|
|
GObject *object2,
|
|
const gchar *property2,
|
|
EBindingTransform transform,
|
|
EBindingTransform reverse_transform,
|
|
GDestroyNotify destroy_notify,
|
|
gpointer user_data);
|
|
EMutualBinding *e_mutual_binding_new_with_negation
|
|
(GObject *object1,
|
|
const gchar *property1,
|
|
GObject *object2,
|
|
const gchar *property2);
|
|
void e_mutual_binding_unbind (EMutualBinding *binding);
|
|
|
|
|
|
/* Useful transformation functions */
|
|
gboolean e_binding_transform_color_to_string
|
|
(const GValue *src_value,
|
|
GValue *dst_value,
|
|
gpointer user_data);
|
|
gboolean e_binding_transform_string_to_color
|
|
(const GValue *src_value,
|
|
GValue *dst_value,
|
|
gpointer user_data);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* E_BINDING_H */
|