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bindings: allow toggling the help lines at several prompts and in browser

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Now the help lines can be toggled not only while editing, but also at
the Read (^R), Write (^O), Execute (^T), Search (^W), Replace (M-R),
Goto (^/), and Yesno prompts, and also in the file browser and when
searching for a file name.  The help lines cannot be toggled in the
help viewer, nor when searching in a help text, nor in the linter,
as these three things force the help lines to be on.

Furthermore, the 'nohelp' function can be rebound in all relevant
menus (default binding: M-X).

This fulfills https://savannah.gnu.org/bugs/?58471.
This commit is contained in:
Benno Schulenberg 2020-05-31 20:04:15 +02:00
parent 054cafa138
commit d8249917c3
4 changed files with 27 additions and 2 deletions
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6
src/browser.c
View File

@ -168,6 +168,12 @@ char *do_browser(char *path)
#endif
#else
say_there_is_no_help();
#endif
#ifndef NANO_TINY
} else if (func == do_toggle_void) {
TOGGLE(NO_HELP);
window_init();
kbinput = KEY_WINCH;
#endif
} else if (func == do_search_forward) {
do_filesearch(FORWARD);

2
src/global.c
View File

@ -1345,7 +1345,7 @@ void shortcut_init(void)
#ifndef NANO_TINY
/* Group of "Appearance" toggles. */
add_to_sclist(MMAIN, "M-X", 0, do_toggle_void, NO_HELP);
add_to_sclist((MMOST|MBROWSER|MYESNO) & ~MFINDINHELP, "M-X", 0, do_toggle_void, NO_HELP);
add_to_sclist(MMAIN, "M-C", 0, do_toggle_void, CONSTANT_SHOW);
add_to_sclist(MMAIN, "M-S", 0, do_toggle_void, SOFTWRAP);
add_to_sclist(MMAIN, "M-$", 0, do_toggle_void, SOFTWRAP);

17
src/prompt.c
View File

@ -515,6 +515,14 @@ functionptrtype acquire_an_answer(int *actual, bool allow_tabs,
#ifndef NANO_TINY
else if (func == do_nothing)
finished = FALSE;
else if (func == do_toggle_void) {
TOGGLE(NO_HELP);
window_init();
focusing = FALSE;
refresh_func();
bottombars(currmenu);
finished = FALSE;
}
#endif
/* If we have a shortcut with an associated function, break out if
@ -741,6 +749,15 @@ int do_yesno_prompt(bool all, const char *msg)
#endif /* ENABLE_MOUSE */
else if (func_from_key(&kbinput) == full_refresh)
full_refresh();
#ifndef NANO_TINY
else if (func_from_key(&kbinput) == do_toggle_void) {
TOGGLE(NO_HELP);
window_init();
titlebar(NULL);
focusing = FALSE;
edit_refresh();
}
#endif
else
beep();

4
src/rcfile.c
View File

@ -816,10 +816,12 @@ void parse_binding(char *ptr, bool dobind)
goto free_things;
/* Limit the given menu to those where the function exists;
* first handle four special cases, then the general case. */
* first handle five special cases, then the general case. */
if (is_universal(newsc->func))
menu &= MMOST|MBROWSER;
#ifndef NANO_TINY
else if (newsc->func == do_toggle_void && newsc->toggle == NO_HELP)
menu &= (MMOST|MBROWSER|MYESNO) & ~MFINDINHELP;
else if (newsc->func == do_toggle_void)
menu &= MMAIN;
#endif