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  1. JDK
  2. JDK-8102248

Virtual Keyboard: Input Method Constraints


    • Type: Enhancement
    • Status: Resolved
    • Priority: P2
    • Resolution: Fixed
    • Affects Version/s: 7u6
    • Fix Version/s: 7u6
    • Component/s: javafx
    • Labels:


      From A360:
      Applications must be able to specify that a text field accepts a certain class of input (e.g. e-mail, phone number, URL, plain text). A virtual keyboard, if present, should adjust its presented set of characters to the input class. Input method constraints are hints: an implementation is not required to restrict the set of characters that can be entered. (API requirement on FX, implementation requirement on convergence).

      This requirement must also include constraints of scripts (e.g., katakana) so that only input of a single script are accepted.

      Controls team update:
      The Input Method Constraints support is a intended to be used by developers as a means to provide a hint to keyboards (particularly virtualised keyboards) such that they may customise what is displayed to the user. For example, if a TextField is intended to be used for accepting a phone number, an input method constraint may be set on it to state this intention. When a virtualised keyboard is shown for this field, it may change from alphanumeric to being simply a number pad.

      The UI Controls team met on February 2, and discussed this and what we believe the requirements are. The discussion centered around the following points:

       * There is concern about how this may relate to the formatted text requirement (RT-14000), and this needs to be explored further.
       * Very basic on the desktop.

      Based on the UI controls team discussion, the 'planning poker' value for this feature was deemed to be 3.


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              • Assignee:
                leifs Leif Samuelsson (Inactive)
                jgiles Jonathan Giles
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