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Assuming you are making an app for an iPhone, I would not have a keyboard short cut for edit, this adds in unnecessary steps as the keyboard is generally hidden inside an app so you are asking your user to bring up the keyboard and press key combinations. Whereas the edit button on the app is just one tap and is quick enough as it is. If you are making an ...


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Design by the principle of least surprise. The user pressed the tab key 99.999% of the time this was not an error. So what do they expect? Consistency heuristic would guide that users expect same behaviour as their most familiar platform - if they actually know the behaviour in that platform. For something this subtle that would be the minority. User ...


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First off, for accessibility reasons it is really important that the Tab key instantly goes to the next item in a form (based on a Tab order that makes sense -- Left to Right, Top to Bottom) I know this isn't your question but I wanted to make sure people didn't suggest preventing the TAB key from registering or any such non-sense. If a combo box has focus ...


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You've listed two possible behaviors: mimicking an enter key or mimicking an escape key. Have you considered doing nothing at all? Just discard the keystroke as inappropriate for the particular control (combobox) in its current state (option-list-showing). As long as your combobox doesn't automatically show its option list when it gets the focus, then ...


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There is no universal answer, because keyboards and other input tools vary so much. There is not a single character that can be assumed to be convenient to type. If we restrict ourselves to the use of keyboards based on the Latin alphabet, we can say that characters in the “invariant subset of Ascii” are probably easy to type. It includes basic Latin ...


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Depending on the type of service you are offering, I don't think there is anything that is "universal". It also depends on whether the user has access to a physical keyboard or not. A good rule of thumb is that if you find it hard to find a key, your user will also. One solution you could provide is a context menu of common characters above the text entry ...



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