C++ (Cpp) BDiskDevice::SetTo示例

示例#1

void
MainWindow::_SetToDiskAndPartition(partition_id disk, partition_id partition,
	partition_id parent)
{
//printf("MainWindow::_SetToDiskAndPartition(disk: %ld, partition: %ld, "
//	"parent: %ld)\n", disk, partition, parent);

	BDiskDevice* oldDisk = NULL;
	if (!fCurrentDisk || fCurrentDisk->ID() != disk) {
		oldDisk = fCurrentDisk;
		fCurrentDisk = NULL;
		if (disk >= 0) {
			BDiskDevice* newDisk = new BDiskDevice();
			status_t ret = newDisk->SetTo(disk);
			if (ret < B_OK) {
				printf("error switching disks: %s\n", strerror(ret));
				delete newDisk;
			} else
				fCurrentDisk = newDisk;
		}
	}

	fCurrentPartitionID = partition;

	fDiskView->SetDisk(fCurrentDisk, fCurrentPartitionID);
	_UpdateMenus(fCurrentDisk, fCurrentPartitionID, parent);

	delete oldDisk;
}