src/gui/gtk/JubGObjectMap.h

   1 #import <ObjFW/ObjFW.h>
   2 #include <gtk/gtk.h>
   3
   4 static void *copy(void *value)
   5 {
   6         return [(id)value copy];
   7 }
   8
   9 static void release(void *value)
  10 {
  11         [(id)value release];
  12 }
  13
  14 static uint32_t hash(void *value)
  15 {
  16         return [(id)value hash];
  17 }
  18
  19 static BOOL equal(void *value1, void *value2)
  20 {
  21         return [(id)value1 isEqual: (id)value2];
  22 }
  23
  24 static void *g_retain(void *value)
  25 {
  26         return g_object_ref(value);
  27 }
  28
  29 static void g_release(void *value)
  30 {
  31         g_object_unref(value);
  32 }
  33
  34 static void *default_retain(void *value)
  35 {
  36         return value;
  37 }
  38
  39 static uint32_t default_hash(void *value)
  40 {
  41 #define NUM (sizeof(void*)/sizeof(uint32_t))
  42         int i;
  43         uint32_t hash = 0;
  44         union {
  45                 void *v;
  46                 uint32_t i[NUM];
  47         } u = { value };
  48
  49         for (i = 0; i < NUM; i++)
  50                 hash ^= u.i[i];
  51
  52         return hash;
  53 #undef NUM
  54 }
  55
  56 static BOOL default_equal(void *value1, void *value2)
  57 {
  58         return (value1 == value2);
  59 }
  60
  61
  62 static void rowref_release(void *value)
  63 {
  64         gtk_tree_row_reference_free(value);
  65 }
  66
  67 static of_map_table_functions_t keyFunctions = {
  68         .retain = copy,
  69         .release = release,
  70         .hash = hash,
  71         .equal = equal
  72 };
  73
  74 static of_map_table_functions_t gObjectFunctions __attribute__((unused)) = {
  75         .retain = g_retain,
  76         .release = g_release,
  77         .hash = default_hash,
  78         .equal = default_equal
  79 };
  80
  81 static of_map_table_functions_t rowRefFunctions = {
  82         .retain = default_retain,
  83         .release = rowref_release,
  84         .hash = default_hash,
  85         .equal = default_equal
  86 };