src/adg/adg-model.h

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2007-2021  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.h> can be included directly."
  23 #endif
  24
  25
  26 #ifndef __ADG_MODEL_H__
  27 #define __ADG_MODEL_H__
  28
  29
  30 G_BEGIN_DECLS
  31
  32 #define ADG_TYPE_MODEL             (adg_model_get_type())
  33 #define ADG_MODEL(obj)             (G_TYPE_CHECK_INSTANCE_CAST((obj), ADG_TYPE_MODEL, AdgModel))
  34 #define ADG_MODEL_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST((klass), ADG_TYPE_MODEL, AdgModel))
  35 #define ADG_IS_MODEL(obj)          (G_TYPE_CHECK_INSTANCE_TYPE((obj), ADG_TYPE_MODEL))
  36 #define ADG_IS_MODEL_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE((klass), ADG_TYPE_MODEL))
  37 #define ADG_MODEL_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS((obj), ADG_TYPE_MODEL, AdgModelClass))
  38
  39
  40 typedef struct _AdgModel        AdgModel;
  41 typedef struct _AdgModelClass   AdgModelClass;
  42 typedef void    (*AdgDependencyFunc)            (AdgModel       *model,
  43                                                  AdgEntity      *entity,
  44                                                  gpointer        user_data);
  45 typedef void    (*AdgNamedPairFunc)             (AdgModel       *model,
  46                                                  const gchar    *name,
  47                                                  CpmlPair       *pair,
  48                                                  gpointer        user_data);
  49
  50 struct _AdgModel {
  51     /*< private >*/
  52     GObject             parent;
  53 };
  54
  55 struct _AdgModelClass {
  56     /*< private >*/
  57     GObjectClass        parent_class;
  58
  59     /*< public >*/
  60     /* Virtual table */
  61     const CpmlPair *    (*named_pair)           (AdgModel         *model,
  62                                                  const gchar      *name);
  63
  64     /* Signals */
  65     void                (*set_named_pair)       (AdgModel         *model,
  66                                                  const gchar      *name,
  67                                                  const CpmlPair   *pair);
  68     void                (*clear)                (AdgModel         *model);
  69     void                (*reset)                (AdgModel         *model);
  70     void                (*add_dependency)       (AdgModel         *model,
  71                                                  AdgEntity        *entity);
  72     void                (*remove_dependency)    (AdgModel         *model,
  73                                                  AdgEntity        *entity);
  74     void                (*changed)              (AdgModel         *model);
  75 };
  76
  77
  78 GType           adg_model_get_type              (void);
  79
  80 void            adg_model_add_dependency        (AdgModel         *model,
  81                                                  AdgEntity        *entity);
  82 void            adg_model_remove_dependency     (AdgModel         *model,
  83                                                  AdgEntity        *entity);
  84 const GSList *  adg_model_get_dependencies      (AdgModel         *model);
  85 void            adg_model_foreach_dependency    (AdgModel         *model,
  86                                                  AdgDependencyFunc callback,
  87                                                  gpointer          user_data);
  88 void            adg_model_set_named_pair        (AdgModel         *model,
  89                                                  const gchar      *name,
  90                                                  const CpmlPair   *pair);
  91 void            adg_model_set_named_pair_explicit
  92                                                 (AdgModel         *model,
  93                                                  const gchar      *name,
  94                                                  gdouble           x,
  95                                                  gdouble           y);
  96 const CpmlPair *adg_model_get_named_pair        (AdgModel         *model,
  97                                                  const gchar      *name);
  98 void            adg_model_foreach_named_pair    (AdgModel         *model,
  99                                                  AdgNamedPairFunc  callback,
 100                                                  gpointer          user_data);
 101 void            adg_model_clear                 (AdgModel         *model);
 102 void            adg_model_reset                 (AdgModel         *model);
 103 void            adg_model_changed               (AdgModel         *model);
 104
 105 G_END_DECLS
 106
 107
 108 #endif /* __ADG_MODEL_H__ */