private void handleDocumentUpdate() {
				String text = textCombo.getText();
				searchButton.setEnabled(!StringUtils.isBlank(text));
				clearStatusText();
			}
A dialog to gather input for performing a search over decompiled text.
Ghidra/Features/DecompilerDependent/src/main/java/ghidra/app/plugin/core/search/DecompilerTextFinderDialog.java