The Designer application provides four different editing modes. To switch between modes select a mode from the Edit menu or an icon on the toolbar.

	Edit Modes	Description
	UI Form Edit Mode	Used to change the appearance of the UI form, add layouts, and edit the properties of each widget. To switch to this mode press F3
	Signals and Slots Mode	Used to connect widgets together using the signals and slots mechanism. To switch to this mode press F4.
	Buddy Editing Mode	Buddy widgets can be assigned to label widgets so keyboard focus is correct.
	Tab Order Editing Mode	Sets the order in which widgets will receive keyboard focus