![]() The spacebar to connect the current dot to the previous one.Ī watercolor painting program passes as an exception because the brush strokes varyĭepending on the speed and duration of the movements.Įxample 5: Exception - Model helicopter flight training simulator.Ī model helicopter flight training simulator passes as an exception because the nature Some people with hand tremors find using a mouse very difficult and therefore usuallyĪ drawing program allows users to create, size, position and rotate objects from theĪn application that uses drag and drop also supports "cut" and "paste" or form controlsĮxample 3: Moving between and connecting discrete points.Ī connect-the-dots program allows the user to move between dots on a screen and use People with low vision (who may have trouble finding or tracking a pointer indicator.People who are blind (who cannot use devices such as mice that require eye-hand coordination).Content continues to function in such an environment, not sendingĮvents that would collide with the modifier key lock to produce unexpected results. System keyboard accessibility features may be in use. It is assumed that the design of user input features takes into account that operating Keyboard equivalent to the application it is a mouse equivalent (i.e., it looks like The use of MouseKeys would not satisfy this Success Criterion because it is not a The path to that location is not relevant) do not require path dependent input. Regular geometric shapes, re-sizing windows and dragging objects to a location (when Free handĭrawing, watercolor painting, and flying a helicopter through an obstacle course areĪll examples of functions that require path dependent input. Input that is done with a pointing device that cannot be done from the keyboard inĪny known fashion without requiring an inordinate number of keystrokes. Most actions carried out by a pointing device can also be done from the keyboard (forĮxample, clicking, selecting, moving, sizing). Things that cannot reasonably be controlled from a keyboard. Path of the user's movement and not just the endpoints" is included to separate those The phrase "except where the underlying function requires input that depends on the Of time or where a key must be held down for an extended period before the keystroke ![]() Vision also may have trouble tracking a pointer and find the use of software muchĮasier (or only possible) if they can control it from the keyboard.Įxamples of "specific timings for individual keystrokes" include situations whereĪ user would be required to repeat or execute multiple keystrokes within a short period Input software, sip-and-puff software, on-screen keyboards, scanning software andĪ variety of assistive technologies and alternate keyboards. Or input devices that act as keyboard emulators. Require eye-hand coordination) as well as by people who must use alternate keyboards It is operable by people with no vision (who cannot use devices such as mice that When content can be operated through a keyboard or alternate keyboard, The intent of this Success Criterion is to ensure that, wherever possible, contentĬan be operated through a keyboard or keyboard interface (so an alternate keyboardĬan be used). Methods in addition to keyboard operation. This does not forbid and should not discourage providing mouse input or other input Input but the underlying function (text input) does not. If using handwriting to enter text, the input technique (handwriting) requires path-dependent This exception relates to the underlying function, not the input technique. Success Criterion 2.1.1 Keyboard (Level A): All functionality of the content is operable through a keyboard interface without requiring specific timings for individual keystrokes, except where the underlyingįunction requires input that depends on the path of the user's movement and not just ![]() Understanding Success Criterion 2.1.1: Keyboard
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