PatR 5ce74c7bd5 Qt extended command selection ...

Qt's implementation of '#' puts up a rectangular grid of buttons
containing command names from the alphabetized extcmdlist[]:
|     #          ?         adjust      annotate
|   apply    attributes  autopickup      call
|   cast        ...
When 3.6 put all commands into that list, the hardcoded 4 columns
resulted in so many rows that the grid wouldn't fit on the screen
(at least not on my smallish laptop screen).  There's no scrollbar
so the commands beyond "takeoff" were inaccessible off the bottom.
Warning messages from within Qt were issued to stderr complaining
about trying to render something off the screen (once each time the
'#' command grid was generated).

It was also including wizard mode commands when not in wizard mode.
Suppress those when they're not applicable, and change the grid to
use 6 columns then and 8 for wizard mode.  The appropriate amount
ought to be calculated on the fly but these values work ok with the
current command list.  (On my screen; if something smaller is used,
the original problem could come back, just not as severe as before.)

Having an alphabetized list go across rows instead of down columns
feels counter-intuitive so transpose the grid.
|     #         autopickup    ...
|     ?         call
|   adjust      cast
|   annotate     ...
|   apply
[Having another button next to <cancel> that lets the user switch
back and forth between the two orientations could be worthwhile.
A full-fledged wc/wc2 option for that doesn't seem warranted.]

The commands can be selected by typing their names as an alternative
to mouse click.  The input widget supports <backspace> but lacked
handling for <delete> so add that.

When typing a command by its name, a new grid showing only matching
candidates gets displayed so that you can switch back to mouse input.
It looks pretty bad but does work as intended.  I didn't touch that;
however, it looks different now due to the columns-vs-rows change.

The menu after picking "?" looks worse.  It assumes a fixed width
font and tries to align things in two columns with spaces, but the
result when using a variable width font is ugly.  This makes no
attempt to address that.

2020-07-29 09:17:45 -07:00

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