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    SubjectRe: [PATCH 0/2] perf newt: Zoom operations

    * Arnaldo Carvalho de Melo <> wrote:

    > Em Sun, Apr 04, 2010 at 11:58:27AM +0200, Ingo Molnar escreveu:
    > > * Arnaldo Carvalho de Melo <> wrote:
    > > > Arnaldo Carvalho de Melo (2):
    > > > perf newt: Add a "Zoom into DSO" and reverse operations
    > > > perf TUI: Add a "Zoom into COMM(PID) thread" and reverse operations
    > >
    > > Pulled, thanks Arnaldo!
    > >
    > > There's still a few basic usability glitches that i've noticed:
    > >
    > > - it's not clear how to zoom out, once zoomed in
    > I'll use the title line to store the name of the DSO and Thread and the help
    > line to state that to zoom out, press -> + zoom out, and I think that it is
    > a good idea to use 'd' and 'D' to zoom in/out of DSOs and 't' and 'T' to
    > zoom in/out of DSOs.

    Cool, a help line will do the trick i'm sure. The only problem situation is
    when there is zero information about how to proceed - some people exit and
    dont ever come back in that case :-)

    > > - there's no help screen and no help line for people to see what can be
    > > done on a given screen. While it's good that the intuitive things work
    > > by default (arrow keys, escape, enter, etc.), there should also be additional
    > > visual information about what can be done.
    > F1 and textboxes with a short description of what can be done given for the
    > first time or till the user presses "Suppress these info boxes" will be
    > added.

    Maybe we need 'h' and '?' in addition of F1, as F1 is often already mapped and
    caught by the terminal (it is so with gnome-terminal).

    > > - i think double escape should exit, right now it stays at the 'are you sure'
    > > screen
    > Here I thought that something had to be done to avoid that accidentally
    > pressing ESC two times or having "Yes" as default option, trowing away
    > possibly a long processed session, what do others think about it?

    Yeah, i think you are right.

    > I think that ESC + "Yes" as a default may be ok, as two keys need to be
    > pressed (ESC + Enter), enough warning/confirmation, I gues, right?

    Ok, that would work!



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