Cube  Diff

		};
	});
}

int selh = 0;
bool selset = false;

#define loopselxy(b)                                               \
	{                                                          \
		makeundo();                                        \
		loop(x, sel->xs) loop(y, sel->ys)                  \
		{                                                  \
			struct sqr *s = S(sel->x + x, sel->y + y); \
			b;                                         \
		}                                                  \
		remip(sel, 0);                                     \
	}

int cx, cy, ch;

int curedittex[] = { -1, -1, -1 };

bool dragging = false;

	}
}

void
makeundo()
{
	if (undos == nil)
		undos = [[OFMutableData alloc]
		    initWithItemSize:sizeof(struct block *)];

	struct block *copy = blockcopy(&sel);
	[undos addItem:&copy];
	pruneundos(undomegs << 20);
}

void