[Pidgin] #16263: Change history behavior of up/down keys

[Pidgin]

#16263: Change history behavior of up/down keys
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 Reporter:  UnixRonin  |      Owner:
     Type:  patch      |     Status:  new
Milestone:             |  Component:  pidgin (gtk)
  Version:  2.10.9     |   Keywords:  Ctrl Up Down history
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 This is a partial, first-draft response to enhancement request #15488,
 although I did not actually know about #15488 when I started working on
 it.  I was simply irritated at the default behavior, and at the fact that
 I've been using pidgin for more years than I can remember and did not
 discover until today that it has a history-recall feature because it never
 occurred to me to try Ctrl-Up/Ctrl-Dn instead of a simple Up/Dn.

 Simply:  The behavior of Up/Dn vs. Ctrl-Up/Ctrl-Dn in the interface is
 inconsistent.  Up/Dn moves through different lines of a multiline entry,
 while those lines are created by Ctrl+Enter or Shift+Enter; meanwhile,
 Ctrl-Up and Ctrl-Dn scroll through conversation history, behavior which in
 almost any other chat client that allows recalling previously typed lines
 is done by Up/Dn.

 (Additionally, I admit, typed history is a feature I use a LOT, while I
 rarely if ever use the cursor keys to edit multiline entries.)

 This is a partial, simplistic first-cut at the problem which, depending
 upon the value of the constant HISTORY_USES_CTRL in gtkconv.c, changes the
 history to use unadorned Up/Dn.  I have not yet found where in the code
 the multiline entry behavior is defined, nor have I yet traced what code I
 would have to change to make the behavior a settable entry in the UI
 preferences.  **ALL INPUT ON EITHER OF THESE TOPICS IS WELCOMED.**

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Ticket URL: <https://developer.pidgin.im/ticket/16263>
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