| 1 |
/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
|---|
| 2 |
|
|---|
| 3 |
/* flow-event.h - An event that can be propagated along a pipeline. |
|---|
| 4 |
* |
|---|
| 5 |
* Copyright (C) 2006 Hans Petter Jansson |
|---|
| 6 |
* |
|---|
| 7 |
* This library is free software; you can redistribute it and/or |
|---|
| 8 |
* modify it under the terms of the GNU Lesser General Public |
|---|
| 9 |
* License as published by the Free Software Foundation; either |
|---|
| 10 |
* version 2 of the License, or (at your option) any later version. |
|---|
| 11 |
* |
|---|
| 12 |
* This library is distributed in the hope that it will be useful, |
|---|
| 13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 15 |
* Lesser General Public License for more details. |
|---|
| 16 |
* |
|---|
| 17 |
* You should have received a copy of the GNU Lesser General Public |
|---|
| 18 |
* License along with this library; if not, write to the |
|---|
| 19 |
* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
|---|
| 20 |
* Boston, MA 02111-1307, USA. |
|---|
| 21 |
* |
|---|
| 22 |
* Authors: Hans Petter Jansson <hpj@copyleft.no> |
|---|
| 23 |
*/ |
|---|
| 24 |
|
|---|
| 25 |
#ifndef _FLOW_EVENT_H |
|---|
| 26 |
#define _FLOW_EVENT_H |
|---|
| 27 |
|
|---|
| 28 |
#include <flow/flow-element.h> |
|---|
| 29 |
|
|---|
| 30 |
G_BEGIN_DECLS |
|---|
| 31 |
|
|---|
| 32 |
#define FLOW_TYPE_EVENT (flow_event_get_type ()) |
|---|
| 33 |
#define FLOW_EVENT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), FLOW_TYPE_EVENT, FlowEvent)) |
|---|
| 34 |
#define FLOW_EVENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), FLOW_TYPE_EVENT, FlowEventClass)) |
|---|
| 35 |
#define FLOW_IS_EVENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), FLOW_TYPE_EVENT)) |
|---|
| 36 |
#define FLOW_IS_EVENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), FLOW_TYPE_EVENT)) |
|---|
| 37 |
#define FLOW_EVENT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), FLOW_TYPE_EVENT, FlowEventClass)) |
|---|
| 38 |
GType flow_event_get_type (void) G_GNUC_CONST; |
|---|
| 39 |
|
|---|
| 40 |
typedef struct _FlowEvent FlowEvent; |
|---|
| 41 |
typedef struct _FlowEventClass FlowEventClass; |
|---|
| 42 |
|
|---|
| 43 |
struct _FlowEvent |
|---|
| 44 |
{ |
|---|
| 45 |
GObject parent; |
|---|
| 46 |
|
|---|
| 47 |
/* --- Protected --- */ |
|---|
| 48 |
|
|---|
| 49 |
FlowElement *source_element; |
|---|
| 50 |
gchar *description; |
|---|
| 51 |
|
|---|
| 52 |
/* --- Private --- */ |
|---|
| 53 |
|
|---|
| 54 |
gpointer priv; |
|---|
| 55 |
}; |
|---|
| 56 |
|
|---|
| 57 |
struct _FlowEventClass |
|---|
| 58 |
{ |
|---|
| 59 |
GObjectClass parent_class; |
|---|
| 60 |
|
|---|
| 61 |
void (*update_description) (FlowEvent *event); |
|---|
| 62 |
|
|---|
| 63 |
/* Padding for future expansion */ |
|---|
| 64 |
|
|---|
| 65 |
void (*_pad_1) (void); |
|---|
| 66 |
void (*_pad_2) (void); |
|---|
| 67 |
void (*_pad_3) (void); |
|---|
| 68 |
void (*_pad_4) (void); |
|---|
| 69 |
}; |
|---|
| 70 |
|
|---|
| 71 |
G_END_DECLS |
|---|
| 72 |
|
|---|
| 73 |
FlowElement *flow_event_get_source_element (FlowEvent *event); |
|---|
| 74 |
const gchar *flow_event_get_description (FlowEvent *event); |
|---|
| 75 |
|
|---|
| 76 |
#endif /* _FLOW_EVENT_H */ |
|---|
