examples/my-person.gob

   1 /*
   2  * This file is a basic example of how a .gob file would be constructed,
   3  * how to add data members, properties and methods
   4  */
   5 requires 2.0.0
   6
   7 %{
   8 #include <time.h>
   9 #include "my-person.h"
  10 #include "my-person-private.h"
  11 %}
  12
  13 class My:Person from G:Object {
  14         /* the name of the person */
  15         private char *name = {g_strdup("Nobody")}
  16                 destroywith g_free;
  17         property STRING name
  18                 (nick = "Name",
  19                  blurb = "Name of the person",
  20                  default_value = "Nobody",
  21                  /* Export get/set functions for this property */
  22                  export,
  23                  /* link to the data memeber 'name' */
  24                  link);
  25
  26         /* date of birth as a time_t */
  27         private long dob = 0;
  28         property LONG dob
  29                 (nick = "Date of birth",
  30                  blurb = "Date of birth of the person",
  31                  minimum = 0,
  32                  maximum = LONG_MAX,
  33                  default_value = 0,
  34                  export)
  35                 /* We could use 'link' as above, but the code below
  36                  * shows how to do this without linking */
  37                 set {
  38                         self->_priv->dob = g_value_get_long (VAL);
  39                 }
  40                 get {
  41                         g_value_set_long (VAL, self->_priv->dob);
  42                 };
  43
  44         /* date of death as a time_t */
  45         private long dod = 0;
  46         property LONG dod
  47                 (nick = "Date of death",
  48                  blurb = "Date of death of the person",
  49                  minimum = 0,
  50                  maximum = LONG_MAX,
  51                  default_value = 0,
  52                  export,
  53                  link);
  54
  55         /* number of rounds in our shotgun */
  56         private int rounds_in_shotgun = 0;
  57
  58         /* when the person gets born, sends out a signal, the caller
  59            of the signal should provide the date of birth */
  60         signal last NONE (LONG)
  61         void
  62         birth (self, long dob)
  63         {
  64                 g_object_set (G_OBJECT (self),
  65                               "dob", dob,
  66                               NULL);
  67         }
  68
  69         /* when the person dies, sends out a signal, the caller
  70            of the signal should provide the date of death */
  71         signal last NONE (LONG)
  72         void
  73         death (self, long dod)
  74         {
  75                 g_object_set (G_OBJECT (self),
  76                               "dod", dod,
  77                               NULL);
  78         }
  79
  80         public
  81         void
  82         load_shotgun (self)
  83         {
  84                 /* add a round to our shotgun */
  85                 self->_priv->rounds_in_shotgun++;
  86         }
  87
  88         public
  89         void
  90         shoot_oneself_in_the_head (self)
  91         {
  92                 if (self->_priv->rounds_in_shotgun == 0) {
  93                         g_warning ("No rounds in the shotgun!");
  94                         return;
  95                 }
  96
  97                 /* one round was fired */
  98                 self->_priv->rounds_in_shotgun--;
  99
 100                 /* death is imminent if we shoot oneself in the head */
 101                 self_death (self, (long)time (NULL));
 102         }
 103
 104         public GObject *
 105         new (void)
 106         {
 107                 return (GObject *)GET_NEW;
 108         }
 109 }