public void setSearchSelectionOnly(boolean b) {
		if (isSearchSelectionOnly == b) {
			return;
		}
		// can only set it if there is a current selection
		isSearchSelectionOnly = b && hasSelection;
		notifySettingsChanged(settings);
	}
Maintains the state of all the settings and controls for the memory search window.
Ghidra/Features/Base/src/main/java/ghidra/features/base/memsearch/gui/SearchGuiModel.java