[Scummvm-tracker] [ScummVM :: Bugs] #16600: GUI: Issues with key press navigation in List View on the launcher

[ScummVM :: Bugs]

#16600: GUI: Issues with key press navigation in List View on the launcher
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Reporter:  antoniou79                       |       Owner:  sev-
    Type:  defect                           |      Status:  closed
Priority:  blocker                          |   Component:  GUI
 Version:                                   |  Resolution:  fixed
Keywords:  scrolling, keypress, PgDn, PgUp  |        Game:
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Comment (by sev-):

 @antoniou79, fixed the pgup/pgdn

 @mikrosk, thank you for the screenshots and backtrace, which helped me
 identify the issue.

 I fixed the crash, however, now there is a small side effect, which I tend
 to leave as is.

 The current browser dialog works with the following caveat: if the user
 attempts to select a file, that invalidates the selection, e.g., turns it
 off completely.

 Now, this has a side effect, that in such a condition, if you, after
 selecting an invalid item (making item ID -1), press "Down", it will jump
 to the beginning of the list.

 I could easily fix it by not allowing changing selection when it is off,
 but this will make things worse in general: when a list is open, nothing
 is selected. Currently, you press "Down" and can navigate with the
 keyboard. If I remove this behavior, then there will be no way to navigate
 with keyboard-only. Another alternative is that we pre-select the topmost
 item in the list, and that is yet another behavior change.

 In any case, I addressed all the current items, closing this ticket as
 done.
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Ticket URL: <https://bugs.scummvm.org/ticket/16600#comment:11>
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