The user wants to only be presented with controls available to the current mode
A collection of 54 User Interface design patterns, presented in a manner easily referenced and used as a brainstorming tool.Get your deck!
Information presented and actions available in a user interface element depend on its mode. When a video is paused, the play command is available, but pause is not.
Design affordance in each mode toward the most common or wanted interactions and emphasize asymmetry, incompleteness, or something being wrong to push users toward changing modes.
Be sure to keep a consistent look between each state of the control that morphs. Font and text size should stay the same, but colors may differ.
Morphing Controls work well with binary actions, such as: