src/adg/adg-model.h

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2007,2008,2009,2010  Nicola Fontana <ntd at entidi.it>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301, USA.
  18  */
  19
  20
  21 #if !defined(__ADG_H__)
  22 #error "Only <adg/adg.h> can be included directly."
  23 #endif
  24
  25
  26 #ifndef __ADG_MODEL_H__
  27 #define __ADG_MODEL_H__
  28
  29 #include <adg/adg-entity.h>
  30 #include <adg/adg-pair.h>
  31
  32
  33 G_BEGIN_DECLS
  34
  35 #define ADG_TYPE_MODEL             (adg_model_get_type())
  36 #define ADG_MODEL(obj)             (G_TYPE_CHECK_INSTANCE_CAST((obj), ADG_TYPE_MODEL, AdgModel))
  37 #define ADG_MODEL_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST((klass), ADG_TYPE_MODEL, AdgModel))
  38 #define ADG_IS_MODEL(obj)          (G_TYPE_CHECK_INSTANCE_TYPE((obj), ADG_TYPE_MODEL))
  39 #define ADG_IS_MODEL_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE((klass), ADG_TYPE_MODEL))
  40 #define ADG_MODEL_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS((obj), ADG_TYPE_MODEL, AdgModelClass))
  41
  42 typedef struct _AdgModel        AdgModel;
  43 typedef struct _AdgModelClass   AdgModelClass;
  44 typedef void (*AdgNamedPairCallback) (const gchar *name, AdgPair *pair,
  45                                       gpointer user_data);
  46
  47 struct _AdgModel {
  48     /*< private >*/
  49     GObject              parent;
  50     gpointer             data;
  51 };
  52
  53 struct _AdgModelClass {
  54     /*< private >*/
  55     GObjectClass         parent_class;
  56     /*< public >*/
  57     void                (*add_dependency)       (AdgModel         *model,
  58                                                  AdgEntity        *entity);
  59     void                (*remove_dependency)    (AdgModel         *model,
  60                                                  AdgEntity        *entity);
  61     const AdgPair *     (*named_pair)           (AdgModel         *model,
  62                                                  const gchar      *name);
  63     void                (*set_named_pair)       (AdgModel         *model,
  64                                                  const gchar      *name,
  65                                                  const AdgPair    *pair);
  66     void                (*clear)                (AdgModel         *model);
  67     void                (*changed)              (AdgModel         *model);
  68 };
  69
  70
  71 GType           adg_model_get_type              (void) G_GNUC_CONST;
  72
  73 void            adg_model_add_dependency        (AdgModel         *model,
  74                                                  AdgEntity        *entity);
  75 void            adg_model_remove_dependency     (AdgModel         *model,
  76                                                  AdgEntity        *entity);
  77 const GSList *  adg_model_get_dependencies      (AdgModel         *model);
  78 void            adg_model_foreach_dependency    (AdgModel         *model,
  79                                                  AdgEntityCallback callback,
  80                                                  gpointer          user_data);
  81 void            adg_model_set_named_pair        (AdgModel         *model,
  82                                                  const gchar      *name,
  83                                                  const AdgPair    *pair);
  84 void            adg_model_set_named_pair_explicit
  85                                                 (AdgModel         *model,
  86                                                  const gchar      *name,
  87                                                  gdouble           x,
  88                                                  gdouble           y);
  89 const AdgPair * adg_model_get_named_pair        (AdgModel         *model,
  90                                                  const gchar      *name);
  91 void            adg_model_foreach_named_pair    (AdgModel         *model,
  92                                                  AdgNamedPairCallback callback,
  93                                                  gpointer          user_data);
  94 void            adg_model_clear                 (AdgModel         *model);
  95 void            adg_model_changed               (AdgModel         *model);
  96
  97 G_END_DECLS
  98
  99
 100 #endif /* __ADG_MODEL_H__ */