2. Cycling between functions example
3. Moving the focus between keys in a Key table example
As explained in the 'TouchScreen and TouchPad user interaction' page, Tap gestures work well with a TouchScreen. However, your Tap gesture experience with your TouchPad may vary depending on the type of TouchPad, making the operation unreliable and therefore not recommended.
With Tap gestures, the user touches the TouchScreen with a finger and then lifts it without sliding. A Tap gesture anywhere on the TouchScreen invokes the active key. An active key can be removed by sliding the finger and lifting it from the panel outside the on-screen KeyGrid. If there is no active key, the tap is ignored, making the TouchScreen insensitive to touch until a key is invoked. Only single tap is supported as single tap operation is much faster than double tap.
As explained in the same page, a key on the on-screen KeyGrid is invoked by its Key swipe gesture and the last key used is always the active key. A Tap gesture following the last Key swipe gesture always repeats its action. As a tap gesture on the TouchScreen requires only a light touch, its operation is always quicker than a Key swipe gesture which traces the shape of one or two straight lines.
Using the Tap gesture is optional and its use in speeding interaction is explained in the following examples.
Referring to the operation described in 'Typing using Key tables with Key entry' page:
You can cycle between functions by invoking:
Function {swipe up > left}
Then you can continue to invoke the Function gesture above until you reach the function desired.
Alternatively, after invoking the Function Key swipe gesture for the first time, simply keep tapping (invoking the Tap gesture) as many times as required until you reach the function desired; tapping is much faster than repeatedly invoking the Right or Left gestures.
Referring to the operation described in 'Typing using Key tables with Key entry' page:
In a Letters Key table, when you invoke Right {swipe right}, the focus shifts successively through the alphabet table keys in increasing order. When you invoke Left {swipe left}, the focus shifts successively through the alphabet table keys in decreasing order. The operation is circular meaning that when invoking Right the letter 'a' follows the letter 'z' and when invoking Left the letter 'z' follows the letter 'a'. You can continue to invoke the Right and Left swipe gestures until you reach the letter desired.
Alternatively, after invoking either the Right or Left gesture, simply keep tapping as many times as required until you reach the desired letter; tapping is much faster than repeatedly invoking the Right or Left gestures.
Referring to the operation described in 'Typing using Braille Grade 1 with Key entry' page:
Considering the letter 'l', the sign for the letter 'l' is 1-2-3
Dividing it mentally into segments, the Top segment has one left dot (1), the Middle segment has one left dot (2) and the Bottom segment has one left dot (3). You therefore can invoke in succession:
Left {swipe left}
Left {swipe left}
Left {swipe left}
The letter 'l' is submitted to the SpeakOn control.
Alternatively, after invoking for the first time the Left gesture, simply tap twice. The letter 'l' is submitted to the SpeakOn control. Tapping is much faster than repeatedly invoking the Left gesture.
You can also use a combination of Key swipe gestures and Tap gestures.
Considering the letter 'b', the sign for the letter 'b' is 1-2
Dividing it mentally into segments, the Top segment has one left dot (1), the Middle segment has one left dot (2) and the Bottom segment has no dots (3). You therefore can invoke in succession:
Left {swipe left}
Left {swipe left}
Down {swipe down}
The letter 'b' is submitted to the SpeakOn control.
Alternatively, after invoking for the first time the Left gesture, simply tap once to repeat the Left gesture in the middle segment. Then invoke the Down {swipe down} gesture. The letter 'b' is submitted to the SpeakOn control. Tapping is much faster than invoking the Left gesture again.
Note that Tap gestures work in exactly the same way for Braille Grade 2 contractions.
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