4.3 Interface Controls
Controls can be in one of three states:
•Not Selected where the control is not the target of any user entry
•Selected where the control is the target of mouse control entry only
•Selected and Active where the control is the target for both mouse and keyboard entry
Toggle Buttons
Toggle buttons display the state of a control, and allow switching between two or more states.
Some processors have link buttons between a pair of toggle buttons, allowing click-
Value Window Buttons
Value windows display the value of a control and allow
•Using the mouse,
•Using the arrow keys, click once with mouse to select the button, and then use up/down – left/right (depending on the direction supported by that button) to move in the smallest incremental steps across the button’s range (holding down the arrow keys will move faster through the range).
•Using key entry, double click on the button to open the value window, and directly enter the value from your keyboard. If you enter an out of range number, the button stays selected but remains at the current setting (system beeps? If system sounds are on?)
Some processors have link buttons between a pair of value windows, allowing click-
Multiple Selection of Controls
One of the most powerful features of the WaveSystem is the ability to select and adjust many controls at the same time. Using the mouse, simply
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