the application programmer defines as expansion, e.g. to implement
parameter substitution.
While here add rudimentary documentation of the dynamic messages
feature (so at least the parser and the syntax documented here
are in sync).
The man page could use some typesetting help...
wprintw(menu->mw, ftm, args) to generate the menu label.
Allows static menu labels to contain the current value (like a lot of the
dynamic menus do).
Correct width calculations, and bound menu table lookup.
(Needs a libcurses fix as well).
No need to ponce about with __m_endwin (to remember we've done endwin()),
the old recovery was wrong in any case - but I've left something that
will do an explicit redraw.
Allow the 'help' text to be from a variable (and hence translated).
Fix the display of help so that the screen underneath is actually cleared.
Preserve the screen contents while displaying help - redraw is too hard.
Use endwin(); doupdate(); to do the full refresh when ^L is typed.
Move menus up the screen if they would hit the bottom with too few lines
to show an item and the scroll text (happens with big titles).
Make 'y=0' center the window vertically - use of 0 means you can't have
a menu starting on the topline, but this is unlikely to be a problem.
Make all the menu options settable from the control file, not just from
dynamic menus.
Redo menu option list part of man page.
_NETBSD_SOURCE as this makes cross building from older/newer versions of
NetBSD harder, not easier (and also makes the resulting tools 'different')
Wrap all required code with the inclusion of nbtool_config.h, attempt to
only use POSIX code in all places (or when reasonable test w. configure and
provide definitions: ala u_int, etc).
Reviewed by lukem. Tested on FreeBSD 4.9, Redhat Linux ES3, NetBSD 1.6.2 x86
NetBSD current (x86 and amd64) and Solaris 9.
Fixes PR's: PR#17762 PR#25944
Let 'display action' routine set menu->cursel (ie default menu item).
Remove 'opt' parameter I added to action routine (not that useful).
Make man page slightly closer to reality.
- pass 'menudesc' and 'arg' values to post_act() and exit_act()
- add set_menu_numopt() for variable length menus
- fix (badly broken) allocation/free of dynamic menus
- option to allow default selection to be the exit line
Correct calculation of menu height and whether scrolling needs (was wrong
if a height was specified that was smaller that the number of lines needed).
Move keypad(m->mw, TRUE) to stop core dump when newwin() fails.
Allow for calling code hacking m->h (to reduce number of lines displayed).
Add a MC_NOCLEAR option to leave menu text showing when doing action.
* bring closer to KNF
* when selecting a item in a menu, call the opt_action() callback with
a pointer to the struct menudesc, so the callback has a chance to find
out which item was selected. Having a seperate callback for each
item is ok for small menus, but not for ones with many objects.
* Add menu-option MC_NOSHORTCUT to not print letters ("a: ", ...)
in front of list items. Again, this is for menues with lots of entries
as e.g. the upcoming sysinst set_timezone() function composes.
* Fix a long-standing bug WRT pagewise scrolling - the cursor is now
properly placed one page up/down
(say width or height).
* work harder to make menu fit width-wise. (if necessary, move the menu
further left, and if that's not good enough exit with an error.)
* move menu system initialization out of process_menu() so that it can
be called earlier (e.g. by the sysinst main()), since it initializes
curses and other code might want to access the curses data structures
before process_menu() is invoked.
with that menu. The help screen is scrollable for long help screens.
The char '?' accesses the help screen as a menu command. Help screen text
is specified in the menu definition file with the menu.
martin