useMetaB.onGuiInit();
useMetaB.setSelected(activeFilter.isMatchMeta());
int x = gui.getGuiLeft() + 80;
int y = gui.getGuiTop() + 65;
snapshotB = new GuiButton(ID_SNAPSHOT, x, y, 60, 20, "Snapshot");
x += 65;
showB = new GuiButton(ID_SHOW, x, y, 40, 20, "Show");
x = gui.getGuiLeft() + 80;
y += 22;
clearB = new GuiButton(ID_CLEAR, x, y, 60, 20, "Clear");
clearB.enabled = filter.getSnapshot() != null;
showB.enabled = clearB.enabled;
gui.addButton(snapshotB);