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Groups > comp.lang.java.programmer > #34104

Re: Scrollable Popup Menu Keyboard Navigation

Newsgroups comp.lang.java.programmer
Date 2016-04-11 05:00 -0700
References (1 earlier) <ne6t1i$q9d$1@dont-email.me> <12b619c7-c6ba-4eb6-a064-e0b992b0c785@googlegroups.com> <ne8il1$v2$1@dont-email.me> <b5b0a40b-6f31-4055-a923-832c47944f2c@googlegroups.com> <dmuk7qFjmtnU1@mid.individual.net>
Message-ID <5507be2a-93e2-4131-bf96-b562b34713a1@googlegroups.com> (permalink)
Subject Re: Scrollable Popup Menu Keyboard Navigation
From Eric Douglas <e.d.programmer@gmail.com>

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On Sunday, April 10, 2016 at 5:21:08 AM UTC-4, Robert Klemme wrote:
> I assume it is because there is no universal concept of "page 
> scrolling".  If you look closer scrolling page wise is a much more 
> complex topic than scrolling individual items.  For example, some 
> applications will not show anything that has been shown before a "page 
> down" while others will show some amount of the last content (e.g. to 
> improve reading experience).  Then, do you measure "page" in terms of 
> fixed size units or fixed entries?  With the former you might get half 
> shown entries at the top if the window height is not an exact multiple 
> of the item height while with the latter you always start at an item 
> boundary.

No universal concept, then why is it univerally implemented?  If I press page down in any web browser or text editor it scrolls down, typically by the amount of one visible area.  If that's not good enough they could add a method to set the amount you'd want to scroll down but that ought to be the default.  Meanwhile they did implement the arrow up and down which somehow moved the bar by the height of a menu item, which could just as well have moved it one pixel at a time.  How is one universal and not the other?

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Scrollable Popup Menu Keyboard Navigation Eric Douglas <e.d.programmer@gmail.com> - 2016-04-07 12:21 -0700
  Re: Scrollable Popup Menu Keyboard Navigation Jeff Higgins <jeff@invalid.invalid> - 2016-04-08 00:12 +0000
    Re: Scrollable Popup Menu Keyboard Navigation Eric Douglas <e.d.programmer@gmail.com> - 2016-04-08 04:29 -0700
      Re: Scrollable Popup Menu Keyboard Navigation Jeff Higgins <jeff@invalid.invalid> - 2016-04-08 15:27 +0000
        Re: Scrollable Popup Menu Keyboard Navigation Eric Douglas <e.d.programmer@gmail.com> - 2016-04-08 08:52 -0700
          Re: Scrollable Popup Menu Keyboard Navigation Jeff Higgins <jeff@invalid.invalid> - 2016-04-08 16:31 +0000
            Re: Scrollable Popup Menu Keyboard Navigation Eric Douglas <e.d.programmer@gmail.com> - 2016-04-08 11:07 -0700
              Re: Scrollable Popup Menu Keyboard Navigation Jeff Higgins <jeff@invalid.invalid> - 2016-04-08 20:39 +0000
                Re: Scrollable Popup Menu Keyboard Navigation Eric Douglas <e.d.programmer@gmail.com> - 2016-04-08 14:00 -0700
                Re: Scrollable Popup Menu Keyboard Navigation Jeff Higgins <jeff@invalid.invalid> - 2016-04-08 21:43 +0000
                Re: Scrollable Popup Menu Keyboard Navigation Jeff Higgins <jeff@invalid.invalid> - 2016-04-09 11:46 +0000
                Re: Scrollable Popup Menu Keyboard Navigation Jeff Higgins <jeff@invalid.invalid> - 2016-04-08 22:33 +0000
                Re: Scrollable Popup Menu Keyboard Navigation Robert Klemme <shortcutter@googlemail.com> - 2016-04-10 11:20 +0200
          Re: Scrollable Popup Menu Keyboard Navigation Robert Klemme <shortcutter@googlemail.com> - 2016-04-10 11:20 +0200
            Re: Scrollable Popup Menu Keyboard Navigation Eric Douglas <e.d.programmer@gmail.com> - 2016-04-11 05:00 -0700
  Re: Scrollable Popup Menu Keyboard Navigation Jeff Higgins <jeff@invalid.invalid> - 2016-04-08 23:09 +0000
    Re: Scrollable Popup Menu Keyboard Navigation Eric Douglas <e.d.programmer@gmail.com> - 2016-04-11 05:13 -0700
    Re: Scrollable Popup Menu Keyboard Navigation Fredrik Jonson <fredrik@jonson.org> - 2016-04-18 08:50 +0000
      Re: Scrollable Popup Menu Keyboard Navigation Eric Douglas <e.d.programmer@gmail.com> - 2016-04-18 05:00 -0700
  Re: Scrollable Popup Menu Keyboard Navigation Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-07 16:58 +0000

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