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bindings: show either "^/" or "^-" in the help lines, instead of "^_" 

The "^_" has always been poorly legible (the underscore melting into
the bottom of the terminal) and difficult to type (Shift+Ctrl+minus).
The "^/" is both more readable and easier to type.

In terminal emulators, "^/" is shown, but on a Linux console "^-",
as ^/ does a backspace in the default console key mapping.

Also, allow using "^-" when rebinding ^_ in a nanorc file.

This addresses https://savannah.gnu.org/bugs/?57393.
master
Benno Schulenberg 2019-12-24 11:39:16 +01:00
parent 7993fc8b12
commit d1957819c4
3 changed files with 14 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/global.c
View File

@ -384,7 +384,7 @@ int keycode_from_string(const char *keystring)
{
if (keystring[0] == '^') {
if (keystring[2] == '\0') {
if (keystring[1] == '/')
if (keystring[1] == '/' || keystring[1] == '-')
return 31;
if (keystring[1] <= '_')
return keystring[1] - 64;
@ -1192,6 +1192,12 @@ void shortcut_init(void)
N_("Next Linter message"), WITHORSANS(nextlint_gist), TOGETHER, VIEW);
#endif
#ifdef __linux__
#define SLASH_OR_DASH (on_a_vt) ? "^-" : "^/"
#else
#define SLASH_OR_DASH "^/"
#endif
/* Link key combos to functions in certain menus. */
add_to_sclist(MMOST|MBROWSER, "^M", '\r', do_enter, 0);
add_to_sclist(MMOST|MBROWSER, "Enter", KEY_ENTER, do_enter, 0);
@ -1233,8 +1239,9 @@ void shortcut_init(void)
add_to_sclist(MEXECUTE, "^O", 0, do_formatter, 0);
#endif
add_to_sclist(MMAIN, "^C", 0, report_cursor_position, 0);
add_to_sclist(MMAIN, "^_", 0, do_gotolinecolumn_void, 0);
add_to_sclist(MMAIN, SLASH_OR_DASH, 0, do_gotolinecolumn_void, 0);
add_to_sclist(MMAIN, "M-G", 0, do_gotolinecolumn_void, 0);
add_to_sclist(MMAIN, "^_", 0, do_gotolinecolumn_void, 0);
add_to_sclist(MMAIN|MBROWSER|MHELP|MLINTER, "^Y", 0, do_page_up, 0);
add_to_sclist(MMAIN|MBROWSER|MHELP|MLINTER, "PgUp", KEY_PPAGE, do_page_up, 0);
add_to_sclist(MMAIN|MBROWSER|MHELP|MLINTER, "^V", 0, do_page_down, 0);
@ -1455,8 +1462,9 @@ void shortcut_init(void)
add_to_sclist(MBROWSER, "End", KEY_END, to_last_file, 0);
add_to_sclist(MBROWSER, "^Home", CONTROL_HOME, to_first_file, 0);
add_to_sclist(MBROWSER, "^End", CONTROL_END, to_last_file, 0);
add_to_sclist(MBROWSER, "^_", 0, goto_dir, 0);
add_to_sclist(MBROWSER, SLASH_OR_DASH, 0, goto_dir, 0);
add_to_sclist(MBROWSER, "M-G", 0, goto_dir, 0);
add_to_sclist(MBROWSER, "^_", 0, goto_dir, 0);
#endif
if (ISSET(SAVE_ON_EXIT) && !ISSET(PRESERVE))
add_to_sclist(MWRITEFILE, "^Q", 0, discard_buffer, 0);

2
syntax/nanohelp.nanorc
View File

@ -4,7 +4,7 @@
syntax nanohelp
# Key combos:
color cyan "\^[]/4-8@A-Z\^_`◀▶▲▼]" "[◀▶▲▼]" "\<(M|S[Hh]-[Mm])-." "\<F([1-9]|1[0-9]|2[0-4])"
color cyan "\^[]/4-8@A-Z\^_`◀▶▲▼-]" "[◀▶▲▼]" "\<(M|S[Hh]-[Mm])-." "\<F([1-9]|1[0-9]|2[0-4])"
color cyan "\<((Sh-)?Tab|Enter|Ins|(Sh-\^?)?Del|Space|Bsp|Up|Down|Left|Right|Home|End|PgUp|PgDn)\>"
# Quoted indicators:

4
syntax/nanorc.nanorc
View File

@ -11,8 +11,8 @@ color brightgreen "^[[:blank:]]*(set|unset)[[:blank:]]+(afterends|allow_insecure
color yellow "^[[:blank:]]*set[[:blank:]]+((error|function|key|number|prompt|scroller|selected|spotlight|status|stripe|title)color)[[:blank:]]+(bold,)?(italic,)?(bright|light)?(white|black|red|blue|green|yellow|magenta|cyan|normal|pink|purple|mauve|lagoon|mint|lime|peach|orange|latte)?(,(light)?(white|black|red|blue|green|yellow|magenta|cyan|normal|pink|purple|mauve|lagoon|mint|lime|peach|orange|latte))?\>"
color brightgreen "^[[:blank:]]*set[[:blank:]]+(backupdir|brackets|errorcolor|functioncolor|keycolor|matchbrackets|numbercolor|operatingdir|promptcolor|punct|quotestr|scrollercolor|selectedcolor|speller|spotlightcolor|statuscolor|stripecolor|titlecolor|whitespace|wordchars)[[:blank:]]+"
color brightgreen "^[[:blank:]]*set[[:blank:]]+(fill[[:blank:]]+-?[[:digit:]]+|(guidestripe|tabsize)[[:blank:]]+[1-9][0-9]*)\>"
color brightgreen "^[[:blank:]]*bind[[:blank:]]+((\^([A-Za-z]|[]/@\^_`]|Space)|([Ss][Hh]-)?[Mm]-[A-Za-z]|[Mm]-([][!"#$%&'()*+,./0-9:;<=>?@\^_`{|}~-]|Space))|F([1-9]|1[0-9]|2[0-4])|Ins|Del)[[:blank:]]+([a-z]+|".*")[[:blank:]]+(main|help|search|replace(with)?|yesno|gotoline|writeout|insert|browser|whereisfile|gotodir|execute|spell|linter|all)([[:blank:]]+#|[[:blank:]]*$)"
color brightgreen "^[[:blank:]]*unbind[[:blank:]]+((\^([A-Za-z]|[]/@\^_`]|Space)|([Ss][Hh]-)?[Mm]-[A-Za-z]|[Mm]-([][!"#$%&'()*+,./0-9:;<=>?@\^_`{|}~-]|Space))|F([1-9]|1[0-9]|2[0-4])|Ins|Del)[[:blank:]]+(all|main|search|replace(with)?|yesno|gotoline|writeout|insert|ext(ernal)?cmd|help|spell|linter|browser|whereisfile|gotodir)([[:blank:]]+#|[[:blank:]]*$)"
color brightgreen "^[[:blank:]]*bind[[:blank:]]+((\^([A-Za-z]|[]/@\^_`-]|Space)|([Ss][Hh]-)?[Mm]-[A-Za-z]|[Mm]-([][!"#$%&'()*+,./0-9:;<=>?@\^_`{|}~-]|Space))|F([1-9]|1[0-9]|2[0-4])|Ins|Del)[[:blank:]]+([a-z]+|".*")[[:blank:]]+(main|help|search|replace(with)?|yesno|gotoline|writeout|insert|browser|whereisfile|gotodir|execute|spell|linter|all)([[:blank:]]+#|[[:blank:]]*$)"
color brightgreen "^[[:blank:]]*unbind[[:blank:]]+((\^([A-Za-z]|[]/@\^_`-]|Space)|([Ss][Hh]-)?[Mm]-[A-Za-z]|[Mm]-([][!"#$%&'()*+,./0-9:;<=>?@\^_`{|}~-]|Space))|F([1-9]|1[0-9]|2[0-4])|Ins|Del)[[:blank:]]+(all|main|search|replace(with)?|yesno|gotoline|writeout|insert|ext(ernal)?cmd|help|spell|linter|browser|whereisfile|gotodir)([[:blank:]]+#|[[:blank:]]*$)"
color brightgreen "^[[:blank:]]*extendsyntax[[:blank:]]+[[:alpha:]]+[[:blank:]]+(i?color|header|magic|comment|formatter|linter|tabgives)[[:blank:]]+.*"
color brightgreen "^[[:blank:]]*(syntax[[:blank:]]+[^[:space:]]+|(formatter|linter)[[:blank:]]+.+)"
color green "^[[:blank:]]*((un)?(bind|set)|include|syntax|header|magic|comment|formatter|linter|tabgives|extendsyntax)\>"