C++ (Cpp) get_directory_index Examples

Example #1

File: gtkiconcache.c Project: sam-m888/gtk

gboolean
gtk_icon_cache_has_icon_in_directory (GtkIconCache *cache,
				       const gchar  *icon_name,
				       const gchar  *directory)
{
  guint32 hash_offset;
  guint32 n_buckets;
  guint32 chain_offset;
  gint hash;
  gboolean found_icon = FALSE;
  gint directory_index;

  directory_index = get_directory_index (cache, directory);

  if (directory_index == -1)
    return FALSE;
  
  hash_offset = GET_UINT32 (cache->buffer, 4);
  n_buckets = GET_UINT32 (cache->buffer, hash_offset);

  hash = icon_name_hash (icon_name) % n_buckets;

  chain_offset = GET_UINT32 (cache->buffer, hash_offset + 4 + 4 * hash);
  while (chain_offset != 0xffffffff)
    {
      guint32 name_offset = GET_UINT32 (cache->buffer, chain_offset + 4);
      gchar *name = cache->buffer + name_offset;

      if (strcmp (name, icon_name) == 0)
	{
	  found_icon = TRUE;
	  break;
	}
	  
      chain_offset = GET_UINT32 (cache->buffer, chain_offset);
    }

  if (found_icon)
    {
      guint32 image_list_offset = GET_UINT32 (cache->buffer, chain_offset + 8);
      guint32 n_images =  GET_UINT32 (cache->buffer, image_list_offset);
      guint32 image_offset = image_list_offset + 4;
      gint i;
      for (i = 0; i < n_images; i++)
	{
	  guint16 index = GET_UINT16 (cache->buffer, image_offset);
	  
	  if (index == directory_index)
	    return TRUE;
	  image_offset += 8;
	}
    }

  return FALSE;
}

Example #2

File: gtkiconcache.c Project: batman52/dingux-code

static gint
find_image_offset (GtkIconCache *cache,
		   const gchar  *icon_name,
		   const gchar  *directory)
{
  guint32 hash_offset;
  guint32 n_buckets;
  guint32 chain_offset;
  int hash, directory_index;
  guint32 image_list_offset, n_images;
  gboolean found = FALSE;
  int i;
  
  hash_offset = GET_UINT32 (cache->buffer, 4);
  n_buckets = GET_UINT32 (cache->buffer, hash_offset);

  hash = icon_name_hash (icon_name) % n_buckets;

  chain_offset = GET_UINT32 (cache->buffer, hash_offset + 4 + 4 * hash);
  while (chain_offset != 0xffffffff)
    {
      guint32 name_offset = GET_UINT32 (cache->buffer, chain_offset + 4);
      gchar *name = cache->buffer + name_offset;

      if (strcmp (name, icon_name) == 0)
	{
	  found = TRUE;
	  break;
	}
	  
      chain_offset = GET_UINT32 (cache->buffer, chain_offset);
    }

  if (!found) {
    return 0;
  }

  /* We've found an icon list, now check if we have the right icon in it */
  directory_index = get_directory_index (cache, directory);
  image_list_offset = GET_UINT32 (cache->buffer, chain_offset + 8);
  n_images = GET_UINT32 (cache->buffer, image_list_offset);
  
  for (i = 0; i < n_images; i++)
    {
      if (GET_UINT16 (cache->buffer, image_list_offset + 4 + 8 * i) ==
	  directory_index) 
	return image_list_offset + 4 + 8 * i;
    }

  return 0;
}

Example #3

File: gtkiconcache.c Project: sam-m888/gtk

void
gtk_icon_cache_add_icons (GtkIconCache *cache,
			   const gchar  *directory,
			   GHashTable   *hash_table)
{
  int directory_index;
  guint32 hash_offset, n_buckets;
  guint32 chain_offset;
  guint32 image_list_offset, n_images;
  int i, j;
  
  directory_index = get_directory_index (cache, directory);

  if (directory_index == -1)
    return;
  
  hash_offset = GET_UINT32 (cache->buffer, 4);
  n_buckets = GET_UINT32 (cache->buffer, hash_offset);

  for (i = 0; i < n_buckets; i++)
    {
      chain_offset = GET_UINT32 (cache->buffer, hash_offset + 4 + 4 * i);
      while (chain_offset != 0xffffffff)
	{
	  guint32 name_offset = GET_UINT32 (cache->buffer, chain_offset + 4);
	  gchar *name = cache->buffer + name_offset;
	  
	  image_list_offset = GET_UINT32 (cache->buffer, chain_offset + 8);
	  n_images = GET_UINT32 (cache->buffer, image_list_offset);
  
	  for (j = 0; j < n_images; j++)
	    {
	      if (GET_UINT16 (cache->buffer, image_list_offset + 4 + 8 * j) ==
		  directory_index)
		g_hash_table_insert (hash_table, name, NULL);
	    }

	  chain_offset = GET_UINT32 (cache->buffer, chain_offset);
	}
    }  
}

Example #4

File: gtkiconcache.c Project: sam-m888/gtk

gboolean
gtk_icon_cache_has_icons (GtkIconCache *cache,
			   const gchar  *directory)
{
  int directory_index;
  guint32 hash_offset, n_buckets;
  guint32 chain_offset;
  guint32 image_list_offset, n_images;
  int i, j;

  directory_index = get_directory_index (cache, directory);

  if (directory_index == -1)
    return FALSE;

  hash_offset = GET_UINT32 (cache->buffer, 4);
  n_buckets = GET_UINT32 (cache->buffer, hash_offset);

  for (i = 0; i < n_buckets; i++)
    {
      chain_offset = GET_UINT32 (cache->buffer, hash_offset + 4 + 4 * i);
      while (chain_offset != 0xffffffff)
	{
	  image_list_offset = GET_UINT32 (cache->buffer, chain_offset + 8);
	  n_images = GET_UINT32 (cache->buffer, image_list_offset);

	  for (j = 0; j < n_images; j++)
	    {
	      if (GET_UINT16 (cache->buffer, image_list_offset + 4 + 8 * j) ==
		  directory_index)
		return TRUE;
	    }

	  chain_offset = GET_UINT32 (cache->buffer, chain_offset);
	}
    }

  return FALSE;
}

Example #5

File: gtkiconcache.c Project: sam-m888/gtk

gint
gtk_icon_cache_get_directory_index (GtkIconCache *cache,
			             const gchar *directory)
{
  return get_directory_index (cache, directory);
}

Example #6

File: gtkiconcache.c Project: batman52/dingux-code

gboolean
_gtk_icon_cache_has_directory (GtkIconCache *cache,
			       const gchar *directory)
{
  return get_directory_index (cache, directory) != -1;
}