commit c2c5a51e5238cc5ab9419667db3bb15d565c519c
parent 66081d4e707959710e98a1c69ef8145a9bc87e4a
Author: David Lawrence Ramsey <pooka109@gmail.com>
Date: Fri, 23 Jan 2004 19:26:17 +0000
add support for escape sequences for F1-F14 where conflicts don't occur
(and resurrect abcd() to make that job easier), additional comments, and
a few minor cosmetic cleanups
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1632 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
Diffstat:
6 files changed, 314 insertions(+), 115 deletions(-)
diff --git a/ChangeLog b/ChangeLog
@@ -4,6 +4,11 @@ CVS code -
window when color support is enabled (in order to properly
handle multi-line color regexes) to only do so when
it's necessary, i.e, when COLOR_SYNTAX is set. (DLR)
+ - Minor cosmetic tweaks to the code involving direction keys.
+ NANO_UP_KEY and NANO_DOWN_KEY are now NANO_PREVLINE_KEY and
+ NANO_NEXTLINE_KEY, and the help messages for them have been
+ changed accordingly. Also remove extraneous references to
+ NANO_DOWN_KEY in the search history shortcut entries. (DLR)
- nano.c:
main()
- Move the call to raw() on systems that don't define
@@ -17,6 +22,13 @@ CVS code -
- winio.c:
get_accepted_kbinput()
- Don't use "kbinput = wgetch(win)" as a switch value. (DLR)
+ get_escape_seq_kbinput()
+ - Add support for the escape sequences for F1-F14 whenever
+ possible (i.e, whenever a conflict doesn't occur), some
+ additional comments, and a few cosmetic cleanups. (DLR)
+ get_escape_seq_abcd()
+ - A resurrected version of the old abcd() function, readded in
+ order to simplify get_escape_seq_kbinput(). (DLR)
get_page_start()
- For consistency, tweak so that scrolling always occurs when we
try to move onto the "$" at the end of the line, as opposed to
diff --git a/src/files.c b/src/files.c
@@ -2571,7 +2571,7 @@ char *do_browser(const char *inpath)
break;
#endif
- case NANO_UP_KEY:
+ case NANO_PREVLINE_KEY:
if (selected - width >= 0)
selected -= width;
break;
@@ -2579,7 +2579,7 @@ char *do_browser(const char *inpath)
if (selected > 0)
selected--;
break;
- case NANO_DOWN_KEY:
+ case NANO_NEXTLINE_KEY:
if (selected + width <= numents - 1)
selected += width;
break;
diff --git a/src/global.c b/src/global.c
@@ -328,8 +328,8 @@ void shortcut_init(int unjustify)
"", *nano_whereis_next_msg = "", *nano_prevpage_msg =
"", *nano_nextpage_msg = "", *nano_cut_msg =
"", *nano_uncut_msg = "", *nano_cursorpos_msg =
- "", *nano_spell_msg = "", *nano_up_msg =
- "", *nano_down_msg = "", *nano_forward_msg =
+ "", *nano_spell_msg = "", *nano_prevline_msg =
+ "", *nano_nextline_msg = "", *nano_forward_msg =
"", *nano_back_msg = "", *nano_home_msg =
"", *nano_end_msg = "", *nano_firstline_msg =
"", *nano_lastline_msg = "", *nano_refresh_msg =
@@ -374,8 +374,8 @@ void shortcut_init(int unjustify)
nano_uncut_msg = _("Uncut from the cutbuffer into the current line");
nano_cursorpos_msg = _("Show the position of the cursor");
nano_spell_msg = _("Invoke the spell checker, if available");
- nano_up_msg = _("Move up one line");
- nano_down_msg = _("Move down one line");
+ nano_prevline_msg = _("Move to the previous line");
+ nano_nextline_msg = _("Move to the next line");
nano_forward_msg = _("Move forward one character");
nano_back_msg = _("Move back one character");
nano_home_msg = _("Move to the beginning of the current line");
@@ -520,12 +520,12 @@ void shortcut_init(int unjustify)
IFHELP(nano_replace_msg, NANO_ALT_REPLACE_KEY), NANO_REPLACE_FKEY,
NANO_NO_KEY, NOVIEW, do_replace);
- sc_init_one(&main_list, NANO_UP_KEY, _("Up"),
- IFHELP(nano_up_msg, NANO_NO_KEY), NANO_NO_KEY,
+ sc_init_one(&main_list, NANO_PREVLINE_KEY, _("Prev Line"),
+ IFHELP(nano_prevline_msg, NANO_NO_KEY), NANO_NO_KEY,
NANO_NO_KEY, VIEW, do_up);
- sc_init_one(&main_list, NANO_DOWN_KEY, _("Down"),
- IFHELP(nano_down_msg, NANO_NO_KEY), NANO_NO_KEY,
+ sc_init_one(&main_list, NANO_NEXTLINE_KEY, _("Next Line"),
+ IFHELP(nano_nextline_msg, NANO_NO_KEY), NANO_NO_KEY,
NANO_NO_KEY, VIEW, do_down);
sc_init_one(&main_list, NANO_FORWARD_KEY, _("Forward"),
@@ -716,7 +716,7 @@ void shortcut_init(int unjustify)
sc_init_one(&replace_list, NANO_HISTORY_KEY, _("History"),
IFHELP(nano_editstr_msg, NANO_NO_KEY), NANO_NO_KEY,
- NANO_DOWN_KEY, VIEW, 0);
+ NANO_NO_KEY, VIEW, 0);
#endif /* !NANO_SMALL */
free_shortcutage(&replace_list_2);
@@ -738,9 +738,9 @@ void shortcut_init(int unjustify)
NANO_NO_KEY, VIEW, do_last_line);
#ifndef NANO_SMALL
- sc_init_one(&replace_list_2, NANO_UP_KEY, _("History"),
+ sc_init_one(&replace_list_2, NANO_PREVLINE_KEY, _("History"),
IFHELP(nano_editstr_msg, NANO_NO_KEY), NANO_NO_KEY,
- NANO_DOWN_KEY, VIEW, 0);
+ NANO_NO_KEY, VIEW, 0);
#endif
free_shortcutage(&goto_list);
diff --git a/src/nano.h b/src/nano.h
@@ -405,8 +405,8 @@ typedef struct historyheadtype {
#define NANO_JUSTIFY_KEY NANO_CONTROL_J
#define NANO_JUSTIFY_FKEY KEY_F(4)
#define NANO_UNJUSTIFY_KEY NANO_CONTROL_U
-#define NANO_UP_KEY NANO_CONTROL_P
-#define NANO_DOWN_KEY NANO_CONTROL_N
+#define NANO_PREVLINE_KEY NANO_CONTROL_P
+#define NANO_NEXTLINE_KEY NANO_CONTROL_N
#define NANO_FORWARD_KEY NANO_CONTROL_F
#define NANO_BACK_KEY NANO_CONTROL_B
#define NANO_MARK_KEY NANO_CONTROL_6
diff --git a/src/proto.h b/src/proto.h
@@ -443,6 +443,7 @@ int get_accepted_kbinput(WINDOW *win, int kbinput, int *meta);
int get_ascii_kbinput(WINDOW *win, int kbinput);
int get_escape_seq_kbinput(WINDOW *win, char *escape_seq, int
escape_seq_len);
+int get_escape_seq_abcd(int kbinput);
int get_mouseinput(int *mouse_x, int *mouse_y, int shortcut);
int do_first_line(void);
int do_last_line(void);
diff --git a/src/winio.c b/src/winio.c
@@ -36,8 +36,11 @@ static int statblank = 0; /* Number of keystrokes left after
actually blank the statusbar */
/* Read in a single input character. If it's ignored, swallow it and go
- * on. Otherwise, try to translate it from ASCII and extended (keypad)
- * input. Assume nodelay(win) is FALSE. */
+ * on. Otherwise, try to translate it from ASCII, extended keypad
+ * values, and/or escape sequences. Supported extended keypad values
+ * consist of [arrow key], Ctrl-[arrow key], Shift-[arrow key], Enter,
+ * Backspace, Insert, Delete, Home, End, PageUp, PageDown, and F1-F14.
+ * Assume nodelay(win) is FALSE. */
int get_kbinput(WINDOW *win, int *meta)
{
int kbinput, retval;
@@ -48,7 +51,7 @@ int get_kbinput(WINDOW *win, int *meta)
return retval;
}
-/* Read in a string of input characters (e. g. an escape sequence)
+/* Read in a string of input characters (e.g. an escape sequence)
* verbatim, and return the length of the string in kbinput_len. Assume
* nodelay(win) is FALSE. */
char *get_verbatim_kbinput(WINDOW *win, int *kbinput_len,
@@ -111,8 +114,9 @@ int get_ignored_kbinput(WINDOW *win)
}
}
-/* Translate acceptable ASCII and extended (keypad) input. Set meta to
- * 1 if we get a Meta sequence. Assume nodelay(win) is FALSE. */
+/* Translate acceptable ASCII, extended keypad values, and/or escape
+ * sequences. Set meta to 1 if we get a Meta sequence. Assume
+ * nodelay(win) is FALSE. */
int get_accepted_kbinput(WINDOW *win, int kbinput, int *meta)
{
*meta = 0;
@@ -184,10 +188,10 @@ int get_accepted_kbinput(WINDOW *win, int kbinput, int *meta)
kbinput = ISSET(REBIND_DELETE) ? NANO_DELETE_KEY : NANO_BACKSPACE_KEY;
break;
case KEY_DOWN:
- kbinput = NANO_DOWN_KEY;
+ kbinput = NANO_NEXTLINE_KEY;
break;
case KEY_UP:
- kbinput = NANO_UP_KEY;
+ kbinput = NANO_PREVLINE_KEY;
break;
case KEY_LEFT:
kbinput = NANO_BACK_KEY;
@@ -304,29 +308,58 @@ int get_ascii_kbinput(WINDOW *win, int kbinput)
return retval;
}
-/* Translate common escape sequences for some keys. These are generated
- * when the terminal doesn't support those keys. Assume that Escape has
- * already been read in, and that nodelay(win) is TRUE. */
+/* Translate escape sequences for extended keypad values. These are
+ * generated when the terminal doesn't support the needed keys. Assume
+ * that Escape has already been read in, and that nodelay(win) is TRUE.
+ *
+ * The supported terminals are the Linux console, the FreeBSD console,
+ * the Hurd console (a.k.a. the Mach console), xterm, rxvt, and Eterm.
+ * There are several escape sequence conflicts and omissions, outlined
+ * as follows:
+ *
+ * - F1 on FreeBSD console == kmous on xterm/rxvt/Eterm; the latter is
+ * omitted. (Mouse input will only work properly if the extended
+ * keypad value KEY_MOUSE is generated on mouse events instead of the
+ * kmous escape sequence.)
+ * - F9 on FreeBSD console == PageDown on Hurd console; the former is
+ * omitted. (The PC keypad, consisting of Insert, Delete, Home, End,
+ * PageUp, and PageDown, is more important to have working than the
+ * function keys, because the functions of the former are not
+ * arbitrary and the functions of the latter are.)
+ * - F10 on FreeBSD console == PageUp on Hurd console; the former is
+ * omitted. (Same as above.)
+ * - F13 on FreeBSD console == End on Hurd console; the former is
+ * omitted. (Same as above.)
+ * - The Hurd console has no escape sequences for F11, F12, F13, or
+ * F14. */
int get_escape_seq_kbinput(WINDOW *win, char *escape_seq, int
escape_seq_len)
{
- int kbinput = -1;
+ int kbinput = ERR;
if (escape_seq_len > 1) {
switch (escape_seq[0]) {
case 'O':
switch (escape_seq[1]) {
- case 'A': /* Esc O A == Up on xterm. */
- kbinput = NANO_UP_KEY;
+ case '2':
+ if (escape_seq_len >= 3) {
+ switch (escape_seq[2]) {
+ case 'P': /* Esc O 2 P == F13 on
+ * xterm. */
+ kbinput = KEY_F(13);
+ break;
+ case 'Q': /* Esc O 2 Q == F14 on
+ * xterm. */
+ kbinput = KEY_F(14);
+ break;
+ }
+ }
break;
+ case 'A': /* Esc O A == Up on xterm. */
case 'B': /* Esc O B == Down on xterm. */
- kbinput = NANO_DOWN_KEY;
- break;
case 'C': /* Esc O C == Right on xterm. */
- kbinput = NANO_FORWARD_KEY;
- break;
case 'D': /* Esc O D == Left on xterm. */
- kbinput = NANO_BACK_KEY;
+ kbinput = get_escape_seq_abcd(escape_seq[1]);
break;
case 'F': /* Esc O F == End on xterm. */
kbinput = NANO_END_KEY;
@@ -334,33 +367,51 @@ int get_escape_seq_kbinput(WINDOW *win, char *escape_seq, int
case 'H': /* Esc O H == Home on xterm. */
kbinput = NANO_HOME_KEY;
break;
- case 'a': /* Esc O a == Ctrl-Up on rxvt. */
- kbinput = NANO_UP_KEY;
+ case 'P': /* Esc O P == F1 on Hurd console. */
+ kbinput = KEY_F(1);
break;
- case 'b': /* Esc O b == Ctrl-Down on rxvt. */
- kbinput = NANO_DOWN_KEY;
+ case 'Q': /* Esc O Q == F2 on Hurd console. */
+ kbinput = KEY_F(2);
break;
- case 'c': /* Esc O c == Ctrl-Right on rxvt. */
- kbinput = NANO_FORWARD_KEY;
+ case 'R': /* Esc O R == F3 on Hurd console. */
+ kbinput = KEY_F(3);
+ break;
+ case 'S': /* Esc O S == F4 on Hurd console. */
+ kbinput = KEY_F(4);
+ break;
+ case 'T': /* Esc O T == F5 on Hurd console. */
+ kbinput = KEY_F(5);
+ break;
+ case 'U': /* Esc O U == F6 on Hurd console. */
+ kbinput = KEY_F(6);
+ break;
+ case 'V': /* Esc O V == F7 on Hurd console. */
+ kbinput = KEY_F(7);
+ break;
+ case 'W': /* Esc O W == F8 on Hurd console. */
+ kbinput = KEY_F(8);
break;
+ case 'X': /* Esc O X == F9 on Hurd console. */
+ kbinput = KEY_F(9);
+ break;
+ case 'Y': /* Esc O Y == F10 on Hurd console. */
+ kbinput = KEY_F(10);
+ break;
+ case 'a': /* Esc O a == Ctrl-Up on rxvt. */
+ case 'b': /* Esc O b == Ctrl-Down on rxvt. */
+ case 'c': /* Esc O c == Ctrl-Right on rxvt. */
case 'd': /* Esc O d == Ctrl-Left on rxvt. */
- kbinput = NANO_BACK_KEY;
+ kbinput = get_escape_seq_abcd(escape_seq[1]);
break;
}
break;
case 'o':
switch (escape_seq[1]) {
case 'a': /* Esc o a == Ctrl-Up on Eterm. */
- kbinput = NANO_UP_KEY;
- break;
case 'b': /* Esc o b == Ctrl-Down on Eterm. */
- kbinput = NANO_DOWN_KEY;
- break;
case 'c': /* Esc o c == Ctrl-Right on Eterm. */
- kbinput = NANO_FORWARD_KEY;
- break;
case 'd': /* Esc o d == Ctrl-Left on Eterm. */
- kbinput = NANO_BACK_KEY;
+ kbinput = get_escape_seq_abcd(escape_seq[1]);
break;
}
break;
@@ -368,62 +419,108 @@ int get_escape_seq_kbinput(WINDOW *win, char *escape_seq, int
switch (escape_seq[1]) {
case '1':
if (escape_seq_len >= 5) {
- if (!strncmp(escape_seq, "[1;2", 4)) {
+ if (!strncmp(escape_seq + 2, ";2", 2)) {
switch (escape_seq[4]) {
- case 'A':
- /* Esc [ 1 ; 2 A == Shift-Up on
- * xterm. */
- kbinput = NANO_UP_KEY;
- break;
- case 'B':
- /* Esc [ 1 ; 2 B == Shift-Down
- * on xterm. */
- kbinput = NANO_DOWN_KEY;
- break;
- case 'C':
- /* Esc [ 1 ; 2 C == Shift-Right
- * on xterm. */
- kbinput = NANO_FORWARD_KEY;
- break;
- case 'D':
- /* Esc [ 1 ; 2 D == Shift-Left
- * on xterm. */
- kbinput = NANO_BACK_KEY;
+ case 'A': /* Esc [ 1 ; 2 A ==
+ * Shift-Up on xterm. */
+ case 'B': /* Esc [ 1 ; 2 B ==
+ * Shift-Down on xterm. */
+ case 'C': /* Esc [ 1 ; 2 C ==
+ * Shift-Right on
+ * xterm. */
+ case 'D': /* Esc [ 1 ; 2 D ==
+ * Shift-Left on xterm. */
+ kbinput = get_escape_seq_abcd(escape_seq[1]);
break;
}
- } else if (!strncmp(escape_seq, "[1;5", 4)) {
+ } else if (!strncmp(escape_seq + 2, ";5", 2)) {
switch (escape_seq[4]) {
- case 'A':
- /* Esc [ 1 ; 5 A == Ctrl-Up on
- * xterm. */
- kbinput = NANO_UP_KEY;
- break;
- case 'B':
- /* Esc [ 1 ; 5 B == Ctrl-Down on
- * xterm. */
- kbinput = NANO_DOWN_KEY;
- break;
- case 'C':
- /* Esc [ 1 ; 5 C == Ctrl-Right
- * on xterm. */
- kbinput = NANO_FORWARD_KEY;
- break;
- case 'D':
- /* Esc [ 1 ; 5 D == Ctrl-Left on
- * xterm. */
- kbinput = NANO_BACK_KEY;
+ case 'A': /* Esc [ 1 ; 5 A ==
+ * Ctrl-Up on xterm. */
+ case 'B': /* Esc [ 1 ; 5 B ==
+ * Ctrl-Down on xterm. */
+ case 'C': /* Esc [ 1 ; 5 C ==
+ * Ctrl-Right on xterm. */
+ case 'D': /* Esc [ 1 ; 5 D ==
+ * Ctrl-Left on xterm. */
+ kbinput = get_escape_seq_abcd(escape_seq[1]);
break;
}
}
- break;
- } else {
- /* Esc [ 1 ~ == Home on Linux console. */
- kbinput = NANO_HOME_KEY;
- break;
+ } else if (escape_seq_len >= 3) {
+ switch (escape_seq[2]) {
+ case '1': /* Esc [ 1 1 ~ == F1 on
+ * rxvt/Eterm. */
+ kbinput = KEY_F(1);
+ break;
+ case '2': /* Esc [ 1 2 ~ == F2 on
+ * rxvt/Eterm. */
+ kbinput = KEY_F(2);
+ break;
+ case '3': /* Esc [ 1 3 ~ == F3 on
+ * rxvt/Eterm. */
+ kbinput = KEY_F(3);
+ break;
+ case '4': /* Esc [ 1 4 ~ == F4 on
+ * rxvt/Eterm. */
+ kbinput = KEY_F(4);
+ break;
+ case '5': /* Esc [ 1 5 ~ == F5 on
+ * xterm/rxvt/Eterm. */
+ kbinput = KEY_F(5);
+ break;
+ case '7': /* Esc [ 1 7 ~ == F6 on Linux
+ * console/xterm/rxvt/Eterm. */
+ kbinput = KEY_F(6);
+ break;
+ case '8': /* Esc [ 1 8 ~ == F7 on Linux
+ * console/xterm/rxvt/Eterm. */
+ kbinput = KEY_F(7);
+ break;
+ case '9': /* Esc [ 1 9 ~ == F8 on Linux
+ * console/xterm/rxvt/Eterm. */
+ kbinput = KEY_F(8);
+ break;
+ default: /* Esc [ 1 ~ == Home on Linux
+ * console. */
+ kbinput = NANO_HOME_KEY;
+ break;
+ }
+ }
+ break;
+ case '2':
+ if (escape_seq_len >= 3) {
+ switch (escape_seq[2]) {
+ case '0': /* Esc [ 2 0 ~ == F9 on Linux
+ * console/xterm/rxvt/Eterm. */
+ kbinput = KEY_F(9);
+ break;
+ case '1': /* Esc [ 2 1 ~ == F10 on Linux
+ * console/xterm/rxvt/Eterm. */
+ kbinput = KEY_F(10);
+ break;
+ case '3': /* Esc [ 2 3 ~ == F11 on Linux
+ * console/xterm/rxvt/Eterm. */
+ kbinput = KEY_F(11);
+ break;
+ case '4': /* Esc [ 2 4 ~ == F12 on Linux
+ * console/xterm/rxvt/Eterm. */
+ kbinput = KEY_F(12);
+ break;
+ case '5': /* Esc [ 2 5 ~ == F13 on Linux
+ * console/rxvt/Eterm. */
+ kbinput = KEY_F(13);
+ break;
+ case '6': /* Esc [ 2 6 ~ == F14 on Linux
+ * console/rxvt/Eterm. */
+ kbinput = KEY_F(14);
+ break;
+ default: /* Esc [ 2 ~ == Insert on Linux
+ * console/xterm. */
+ kbinput = NANO_INSERTFILE_KEY;
+ break;
+ }
}
- case '2': /* Esc [ 2 ~ == Insert on Linux
- * console/xterm. */
- kbinput = NANO_INSERTFILE_KEY;
break;
case '3': /* Esc [ 3 ~ == Delete on Linux
* console/xterm. */
@@ -434,12 +531,12 @@ int get_escape_seq_kbinput(WINDOW *win, char *escape_seq, int
kbinput = NANO_END_KEY;
break;
case '5': /* Esc [ 5 ~ == PageUp on Linux
- * console/xterm, Esc [ 5 ^ == PageUp on
+ * console/xterm; Esc [ 5 ^ == PageUp on
* Eterm. */
kbinput = NANO_PREVPAGE_KEY;
break;
case '6': /* Esc [ 6 ~ == PageDown on Linux
- * console/xterm, Esc [ 6 ^ == PageDown on
+ * console/xterm; Esc [ 6 ^ == PageDown on
* Eterm. */
kbinput = NANO_NEXTPAGE_KEY;
break;
@@ -457,22 +554,16 @@ int get_escape_seq_kbinput(WINDOW *win, char *escape_seq, int
break;
case 'A': /* Esc [ A == Up on Linux console/FreeBSD
* console/Hurd console/rxvt/Eterm. */
- kbinput = NANO_UP_KEY;
- break;
case 'B': /* Esc [ B == Down on Linux
* console/FreeBSD console/Hurd
* console/rxvt/Eterm. */
- kbinput = NANO_DOWN_KEY;
- break;
case 'C': /* Esc [ C == Right on Linux
* console/FreeBSD console/Hurd
* console/rxvt/Eterm. */
- kbinput = NANO_FORWARD_KEY;
- break;
case 'D': /* Esc [ D == Left on Linux
* console/FreeBSD console/Hurd
* console/rxvt/Eterm. */
- kbinput = NANO_BACK_KEY;
+ kbinput = get_escape_seq_abcd(escape_seq[1]);
break;
case 'F': /* Esc [ F == End on FreeBSD
* console/Eterm. */
@@ -494,34 +585,110 @@ int get_escape_seq_kbinput(WINDOW *win, char *escape_seq, int
* console. */
kbinput = NANO_INSERTFILE_KEY;
break;
+ case 'M': /* Esc [ M == F1 on FreeBSD console. */
+ kbinput = KEY_F(1);
+ break;
+ case 'N': /* Esc [ N == F2 on FreeBSD console. */
+ kbinput = KEY_F(2);
+ break;
+ case 'O':
+ if (escape_seq_len >= 3) {
+ switch (escape_seq[2]) {
+ case 'P': /* Esc [ O P == F1 on
+ * xterm. */
+ kbinput = KEY_F(1);
+ break;
+ case 'Q': /* Esc [ O Q == F2 on
+ * xterm. */
+ kbinput = KEY_F(2);
+ break;
+ case 'R': /* Esc [ O R == F3 on
+ * xterm. */
+ kbinput = KEY_F(3);
+ break;
+ case 'S': /* Esc [ O S == F4 on
+ * xterm. */
+ kbinput = KEY_F(4);
+ break;
+ default: /* Esc [ O == F3 on
+ * FreeBSD console. */
+ kbinput = KEY_F(3);
+ break;
+ }
+ }
+ break;
+ case 'P': /* Esc [ P == F4 on FreeBSD console. */
+ kbinput = KEY_F(4);
+ break;
+ case 'Q': /* Esc [ Q == F5 on FreeBSD console. */
+ kbinput = KEY_F(5);
+ break;
+ case 'R': /* Esc [ R == F6 on FreeBSD console. */
+ kbinput = KEY_F(6);
+ break;
+ case 'S': /* Esc [ S == F7 on FreeBSD console. */
+ kbinput = KEY_F(7);
+ break;
+ case 'T': /* Esc [ T == F8 on FreeBSD console. */
+ kbinput = KEY_F(8);
+ break;
case 'U': /* Esc [ U == PageDown on Hurd console. */
kbinput = NANO_NEXTPAGE_KEY;
break;
case 'V': /* Esc [ V == PageUp on Hurd console. */
kbinput = NANO_PREVPAGE_KEY;
break;
+ case 'W': /* Esc [ W == F11 on FreeBSD console. */
+ kbinput = KEY_F(11);
+ break;
+ case 'X': /* Esc [ X == F12 on FreeBSD console. */
+ kbinput = KEY_F(12);
+ break;
case 'Y': /* Esc [ Y == End on Hurd console. */
kbinput = NANO_END_KEY;
break;
- case 'a': /* Esc [ a == Shift-Up on rxvt/Eterm. */
- kbinput = NANO_UP_KEY;
+ case 'Z': /* Esc [ Z == F14 on FreeBSD console. */
+ kbinput = KEY_F(14);
break;
+ case 'a': /* Esc [ a == Shift-Up on rxvt/Eterm. */
case 'b': /* Esc [ b == Shift-Down on rxvt/Eterm. */
- kbinput = NANO_DOWN_KEY;
- break;
case 'c': /* Esc [ c == Shift-Right on
* rxvt/Eterm. */
- kbinput = NANO_FORWARD_KEY;
- break;
case 'd': /* Esc [ d == Shift-Left on rxvt/Eterm. */
- kbinput = NANO_BACK_KEY;
+ kbinput = get_escape_seq_abcd(escape_seq[1]);
+ break;
+ case '[':
+ if (escape_seq_len >= 3) {
+ switch (escape_seq[2]) {
+ case 'A': /* Esc [ [ A == F1 on Linux
+ * console. */
+ kbinput = KEY_F(1);
+ break;
+ case 'B': /* Esc [ [ B == F2 on Linux
+ * console. */
+ kbinput = KEY_F(2);
+ break;
+ case 'C': /* Esc [ [ C == F3 on Linux
+ * console. */
+ kbinput = KEY_F(3);
+ break;
+ case 'D': /* Esc [ [ D == F4 on Linux
+ * console. */
+ kbinput = KEY_F(4);
+ break;
+ case 'E': /* Esc [ [ E == F5 on Linux
+ * console. */
+ kbinput = KEY_F(5);
+ break;
+ }
+ }
break;
}
break;
}
}
- if (kbinput == -1) {
+ if (kbinput == ERR) {
/* This escape sequence is unrecognized; send it back. */
for (; escape_seq_len > 1; escape_seq_len--)
ungetch(escape_seq[escape_seq_len - 1]);
@@ -531,6 +698,25 @@ int get_escape_seq_kbinput(WINDOW *win, char *escape_seq, int
return kbinput;
}
+/* Return the equivalent arrow key value for the case-insensitive
+ * letters A (up), B (down), C (left), and D (right). These are common
+ * to many escape sequences. */
+int get_escape_seq_abcd(int kbinput)
+{
+ switch (tolower(kbinput)) {
+ case 'a':
+ return NANO_PREVLINE_KEY;
+ case 'b':
+ return NANO_NEXTLINE_KEY;
+ case 'c':
+ return NANO_FORWARD_KEY;
+ case 'd':
+ return NANO_BACK_KEY;
+ default:
+ return ERR;
+ }
+}
+
#ifndef DISABLE_MOUSE
/* Check for a mouse event, and if one's taken place, save the
* coordinates where it took place in mouse_x and mouse_y. After that,
@@ -916,7 +1102,7 @@ int nanogetstr(int allowtabs, const char *buf, const char *def,
#endif
#ifndef NANO_SMALL
/* Have to handle these here too, for the time being */
- if (kbinput == NANO_UP_KEY || kbinput == NANO_DOWN_KEY)
+ if (kbinput == NANO_PREVLINE_KEY || kbinput == NANO_NEXTLINE_KEY)
break;
#endif
@@ -999,7 +1185,7 @@ int nanogetstr(int allowtabs, const char *buf, const char *def,
if (x > 0)
x--;
break;
- case NANO_UP_KEY:
+ case NANO_PREVLINE_KEY:
#ifndef NANO_SMALL
if (history_list != NULL) {
@@ -1041,7 +1227,7 @@ int nanogetstr(int allowtabs, const char *buf, const char *def,
}
#endif
break;
- case NANO_DOWN_KEY:
+ case NANO_NEXTLINE_KEY:
#ifndef NANO_SMALL
if (history_list != NULL) {
