private void cycleNextProgram(boolean forward) {
		tabPanel.highlightNextPreviousTab(forward);
		selectHighlightedProgramTimer.restart();
	}
Plugin to show a "tab" for each open program; the selected tab is the activated program.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/progmgr/MultiTabPlugin.java