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add minor comment fixes, and also fix a problem where the escape 

sequence for F3 on the FreeBSD console wasn't interpreted properly


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1812 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
master
David Lawrence Ramsey 2004-06-22 14:30:18 +00:00
parent 4e1a98c9c3
commit 973a96be62
2 changed files with 88 additions and 89 deletions
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2
ChangeLog
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@ -326,6 +326,8 @@ CVS code -
if a sequence is unrecognized, we will now return ERR and set if a sequence is unrecognized, we will now return ERR and set
ignore_seq to FALSE. Also, here and elsewhere, don't bother ignore_seq to FALSE. Also, here and elsewhere, don't bother
assigning ERR to retval when that's its initial value. (DLR) assigning ERR to retval when that's its initial value. (DLR)
- Fix problem where the escape sequence for F3 on the FreeBSD
console would not be interpreted properly. (DLR)
get_mouseinput() get_mouseinput()
- Don't ungetch() anything if there's no control key and no meta - Don't ungetch() anything if there's no control key and no meta
key defined in the shortcut we clicked. (DLR) key defined in the shortcut we clicked. (DLR)

175
src/winio.c
View File

@ -49,7 +49,7 @@ static int statblank = 0; /* Number of keystrokes left after
* - NANO_CONTROL_8 is Ctrl-8 (Ctrl-?), which is Delete under ASCII, * - NANO_CONTROL_8 is Ctrl-8 (Ctrl-?), which is Delete under ASCII,
* ANSI, VT100, and VT220, and which is Backspace under VT320. * ANSI, VT100, and VT220, and which is Backspace under VT320.
* *
* Note: VT220s and VT320s also generate Esc [ 3 ~ for Delete. By * Note: VT220 and VT320 also generate Esc [ 3 ~ for Delete. By
* default, xterm assumes it's running on a VT320 and generates Ctrl-8 * default, xterm assumes it's running on a VT320 and generates Ctrl-8
* (Ctrl-?) for Backspace and Esc [ 3 ~ for Delete. This causes * (Ctrl-?) for Backspace and Esc [ 3 ~ for Delete. This causes
* problems for VT100-derived terminals such as the FreeBSD console, * problems for VT100-derived terminals such as the FreeBSD console,
@ -85,8 +85,6 @@ static int statblank = 0; /* Number of keystrokes left after
* omitted. (Same as above.) * omitted. (Same as above.)
* - F13 on FreeBSD console == End on Hurd console; the former is * - F13 on FreeBSD console == End on Hurd console; the former is
* omitted. (Same as above.) * omitted. (Same as above.)
* - The Hurd console has no escape sequences for F11, F12, F13, F14, or
* Center (5) on the numeric keypad with NumLock off.
* *
* Note that Center (5) on the numeric keypad with NumLock off can also * Note that Center (5) on the numeric keypad with NumLock off can also
* be the Begin key. */ * be the Begin key. */
@ -610,8 +608,8 @@ int get_escape_seq_kbinput(int *escape_seq, size_t es_len, int
retval = NANO_HOME_KEY; retval = NANO_HOME_KEY;
break; break;
case 'M': /* Esc O M == Enter on numeric keypad with case 'M': /* Esc O M == Enter on numeric keypad with
* NumLock off on * NumLock off on VT100/VT220/VT320/xterm/
* VT100/VT220/VT320/xterm/Eterm. */ * Eterm. */
retval = NANO_ENTER_KEY; retval = NANO_ENTER_KEY;
break; break;
case 'P': /* Esc O P == F1 on VT100/VT220/VT320/Hurd case 'P': /* Esc O P == F1 on VT100/VT220/VT320/Hurd
@ -655,83 +653,83 @@ int get_escape_seq_kbinput(int *escape_seq, size_t es_len, int
retval = get_escape_seq_abcd(escape_seq[1]); retval = get_escape_seq_abcd(escape_seq[1]);
break; break;
case 'j': /* Esc O j == '*' on numeric keypad with case 'j': /* Esc O j == '*' on numeric keypad with
* NumLock off on * NumLock off on VT100/VT220/VT320/xterm/
* VT100/VT220/VT320/xterm/rxvt. */ * rxvt. */
retval = '*'; retval = '*';
break; break;
case 'k': /* Esc O k == '+' on numeric keypad with case 'k': /* Esc O k == '+' on numeric keypad with
* NumLock off on * NumLock off on VT100/VT220/VT320/xterm/
* VT100/VT220/VT320/xterm/rxvt. */ * rxvt. */
retval = '+'; retval = '+';
break; break;
case 'l': /* Esc O l == ',' on numeric keypad with case 'l': /* Esc O l == ',' on numeric keypad with
* NumLock off on * NumLock off on VT100/VT220/VT320/xterm/
* VT100/VT220/VT320/xterm/rxvt. */ * rxvt. */
retval = '+'; retval = '+';
break; break;
case 'm': /* Esc O m == '-' on numeric keypad with case 'm': /* Esc O m == '-' on numeric keypad with
* NumLock off on * NumLock off on VT100/VT220/VT320/xterm/
* VT100/VT220/VT320/xterm/rxvt. */ * rxvt. */
retval = '-'; retval = '-';
break; break;
case 'n': /* Esc O n == Delete (.) on numeric keypad case 'n': /* Esc O n == Delete (.) on numeric keypad
* with NumLock off on * with NumLock off on VT100/VT220/VT320/
* VT100/VT220/VT320/xterm/rxvt. */ * xterm/rxvt. */
retval = NANO_DELETE_KEY; retval = NANO_DELETE_KEY;
break; break;
case 'o': /* Esc O o == '/' on numeric keypad with case 'o': /* Esc O o == '/' on numeric keypad with
* NumLock off on * NumLock off on VT100/VT220/VT320/xterm/
* VT100/VT220/VT320/xterm/rxvt. */ * rxvt. */
retval = '/'; retval = '/';
break; break;
case 'p': /* Esc O p == Insert (0) on numeric keypad case 'p': /* Esc O p == Insert (0) on numeric keypad
* with NumLock off on * with NumLock off on VT100/VT220/VT320/
* VT100/VT220/VT320/rxvt. */ * rxvt. */
retval = NANO_INSERTFILE_KEY; retval = NANO_INSERTFILE_KEY;
break; break;
case 'q': /* Esc O q == End (1) on numeric keypad case 'q': /* Esc O q == End (1) on numeric keypad
* with NumLock off on * with NumLock off on VT100/VT220/VT320/
* VT100/VT220/VT320/rxvt. */ * rxvt. */
retval = NANO_END_KEY; retval = NANO_END_KEY;
break; break;
case 'r': /* Esc O r == Down (2) on numeric keypad case 'r': /* Esc O r == Down (2) on numeric keypad
* with NumLock off on * with NumLock off on VT100/VT220/VT320/
* VT100/VT220/VT320/rxvt. */ * rxvt. */
retval = NANO_NEXTLINE_KEY; retval = NANO_NEXTLINE_KEY;
break; break;
case 's': /* Esc O s == PageDown (3) on numeric case 's': /* Esc O s == PageDown (3) on numeric
* keypad with NumLock off on * keypad with NumLock off on VT100/VT220/
* VT100/VT220/VT320/rxvt. */ * VT320/rxvt. */
retval = NANO_NEXTPAGE_KEY; retval = NANO_NEXTPAGE_KEY;
break; break;
case 't': /* Esc O t == Left (4) on numeric keypad case 't': /* Esc O t == Left (4) on numeric keypad
* with NumLock off on * with NumLock off on VT100/VT220/VT320/
* VT100/VT220/VT320/rxvt. */ * rxvt. */
retval = NANO_BACK_KEY; retval = NANO_BACK_KEY;
break; break;
case 'u': /* Esc O u == Center (5) on numeric keypad case 'u': /* Esc O u == Center (5) on numeric keypad
* with NumLock off on * with NumLock off on VT100/VT220/VT320/
* VT100/VT220/VT320/rxvt/Eterm. */ * rxvt/Eterm. */
*ignore_seq = TRUE; *ignore_seq = TRUE;
break; break;
case 'v': /* Esc O v == Right (6) on numeric keypad case 'v': /* Esc O v == Right (6) on numeric keypad
* with NumLock off on * with NumLock off on VT100/VT220/VT320/
* VT100/VT220/VT320/rxvt. */ * rxvt. */
retval = NANO_FORWARD_KEY; retval = NANO_FORWARD_KEY;
break; break;
case 'w': /* Esc O w == Home (7) on numeric keypad case 'w': /* Esc O w == Home (7) on numeric keypad
* with NumLock off on * with NumLock off on VT100/VT220/VT320/
* VT100/VT220/VT320/rxvt. */ * rxvt. */
retval = NANO_HOME_KEY; retval = NANO_HOME_KEY;
break; break;
case 'x': /* Esc O x == Up (8) on numeric keypad case 'x': /* Esc O x == Up (8) on numeric keypad
* with NumLock off on * with NumLock off on VT100/VT220/VT320/
* VT100/VT220/VT320/rxvt. */ * rxvt. */
retval = NANO_PREVLINE_KEY; retval = NANO_PREVLINE_KEY;
break; break;
case 'y': /* Esc O y == PageUp (9) on numeric keypad case 'y': /* Esc O y == PageUp (9) on numeric keypad
* with NumLock off on * with NumLock off on VT100/VT220/VT320/
* VT100/VT220/VT320/rxvt. */ * rxvt. */
retval = NANO_PREVPAGE_KEY; retval = NANO_PREVPAGE_KEY;
break; break;
} }
@ -751,39 +749,39 @@ int get_escape_seq_kbinput(int *escape_seq, size_t es_len, int
case '1': case '1':
if (es_len >= 3) { if (es_len >= 3) {
switch (escape_seq[2]) { switch (escape_seq[2]) {
case '1': /* Esc [ 1 1 ~ == F1 on case '1': /* Esc [ 1 1 ~ == F1 on rxvt/
* rxvt/Eterm. */ * Eterm. */
retval = KEY_F(1); retval = KEY_F(1);
break; break;
case '2': /* Esc [ 1 2 ~ == F2 on case '2': /* Esc [ 1 2 ~ == F2 on rxvt/
* rxvt/Eterm. */ * Eterm. */
retval = KEY_F(2); retval = KEY_F(2);
break; break;
case '3': /* Esc [ 1 3 ~ == F3 on case '3': /* Esc [ 1 3 ~ == F3 on rxvt/
* rxvt/Eterm. */ * Eterm. */
retval = KEY_F(3); retval = KEY_F(3);
break; break;
case '4': /* Esc [ 1 4 ~ == F4 on case '4': /* Esc [ 1 4 ~ == F4 on rxvt/
* rxvt/Eterm. */ * Eterm. */
retval = KEY_F(4); retval = KEY_F(4);
break; break;
case '5': /* Esc [ 1 5 ~ == F5 on case '5': /* Esc [ 1 5 ~ == F5 on xterm/
* xterm/rxvt/Eterm. */ * rxvt/Eterm. */
retval = KEY_F(5); retval = KEY_F(5);
break; break;
case '7': /* Esc [ 1 7 ~ == F6 on case '7': /* Esc [ 1 7 ~ == F6 on
* VT220/VT320/Linux * VT220/VT320/Linux console/
* console/xterm/rxvt/Eterm. */ * xterm/rxvt/Eterm. */
retval = KEY_F(6); retval = KEY_F(6);
break; break;
case '8': /* Esc [ 1 8 ~ == F7 on case '8': /* Esc [ 1 8 ~ == F7 on
* VT220/VT320/Linux * VT220/VT320/Linux console/
* console/xterm/rxvt/Eterm. */ * xterm/rxvt/Eterm. */
retval = KEY_F(7); retval = KEY_F(7);
break; break;
case '9': /* Esc [ 1 9 ~ == F8 on case '9': /* Esc [ 1 9 ~ == F8 on
* VT220/VT320/Linux * VT220/VT320/Linux console/
* console/xterm/rxvt/Eterm. */ * xterm/rxvt/Eterm. */
retval = KEY_F(8); retval = KEY_F(8);
break; break;
case ';': case ';':
@ -835,59 +833,59 @@ int get_escape_seq_kbinput(int *escape_seq, size_t es_len, int
if (es_len >= 3) { if (es_len >= 3) {
switch (escape_seq[2]) { switch (escape_seq[2]) {
case '0': /* Esc [ 2 0 ~ == F9 on case '0': /* Esc [ 2 0 ~ == F9 on
* VT220/VT320/Linux * VT220/VT320/Linux console/
* console/xterm/rxvt/Eterm. */ * xterm/rxvt/Eterm. */
retval = KEY_F(9); retval = KEY_F(9);
break; break;
case '1': /* Esc [ 2 1 ~ == F10 on case '1': /* Esc [ 2 1 ~ == F10 on
* VT220/VT320/Linux * VT220/VT320/Linux console/
* console/xterm/rxvt/Eterm. */ * xterm/rxvt/Eterm. */
retval = KEY_F(10); retval = KEY_F(10);
break; break;
case '3': /* Esc [ 2 3 ~ == F11 on case '3': /* Esc [ 2 3 ~ == F11 on
* VT220/VT320/Linux * VT220/VT320/Linux console/
* console/xterm/rxvt/Eterm. */ * xterm/rxvt/Eterm. */
retval = KEY_F(11); retval = KEY_F(11);
break; break;
case '4': /* Esc [ 2 4 ~ == F12 on case '4': /* Esc [ 2 4 ~ == F12 on
* VT220/VT320/Linux * VT220/VT320/Linux console/
* console/xterm/rxvt/Eterm. */ * xterm/rxvt/Eterm. */
retval = KEY_F(12); retval = KEY_F(12);
break; break;
case '5': /* Esc [ 2 5 ~ == F13 on case '5': /* Esc [ 2 5 ~ == F13 on
* VT220/VT320/Linux * VT220/VT320/Linux console/
* console/rxvt/Eterm. */ * rxvt/Eterm. */
retval = KEY_F(13); retval = KEY_F(13);
break; break;
case '6': /* Esc [ 2 6 ~ == F14 on case '6': /* Esc [ 2 6 ~ == F14 on
* VT220/VT320/Linux * VT220/VT320/Linux console/
* console/rxvt/Eterm. */ * rxvt/Eterm. */
retval = KEY_F(14); retval = KEY_F(14);
break; break;
default: /* Esc [ 2 ~ == Insert on default: /* Esc [ 2 ~ == Insert on
* VT220/VT320/Linux * VT220/VT320/Linux console/
* console/xterm. */ * xterm. */
retval = NANO_INSERTFILE_KEY; retval = NANO_INSERTFILE_KEY;
break; break;
} }
} }
break; break;
case '3': /* Esc [ 3 ~ == Delete on case '3': /* Esc [ 3 ~ == Delete on VT220/VT320/
* VT220/VT320/Linux console/xterm. */ * Linux console/xterm. */
retval = NANO_DELETE_KEY; retval = NANO_DELETE_KEY;
break; break;
case '4': /* Esc [ 4 ~ == End on VT220/VT320/Linux case '4': /* Esc [ 4 ~ == End on VT220/VT320/Linux
* console/xterm. */ * console/xterm. */
retval = NANO_END_KEY; retval = NANO_END_KEY;
break; break;
case '5': /* Esc [ 5 ~ == PageUp on case '5': /* Esc [ 5 ~ == PageUp on VT220/VT320/
* VT220/VT320/Linux console/xterm; Esc [ * Linux console/xterm; Esc [ 5 ^ ==
* 5 ^ == PageUp on Eterm. */ * PageUp on Eterm. */
retval = NANO_PREVPAGE_KEY; retval = NANO_PREVPAGE_KEY;
break; break;
case '6': /* Esc [ 6 ~ == PageDown on case '6': /* Esc [ 6 ~ == PageDown on VT220/VT320/
* VT220/VT320/Linux console/xterm; Esc [ * Linux console/xterm; Esc [ 6 ^ ==
* 6 ^ == PageDown on Eterm. */ * PageDown on Eterm. */
retval = NANO_NEXTPAGE_KEY; retval = NANO_NEXTPAGE_KEY;
break; break;
case '7': /* Esc [ 7 ~ == Home on rxvt. */ case '7': /* Esc [ 7 ~ == Home on rxvt. */
@ -903,17 +901,17 @@ int get_escape_seq_kbinput(int *escape_seq, size_t es_len, int
retval = NANO_INSERTFILE_KEY; retval = NANO_INSERTFILE_KEY;
break; break;
case 'A': /* Esc [ A == Up on ANSI/VT220/Linux case 'A': /* Esc [ A == Up on ANSI/VT220/Linux
* console/FreeBSD console/Hurd * console/FreeBSD console/Hurd console/
* console/rxvt/Eterm. */ * rxvt/Eterm. */
case 'B': /* Esc [ B == Down on ANSI/VT220/Linux case 'B': /* Esc [ B == Down on ANSI/VT220/Linux
* console/FreeBSD console/Hurd * console/FreeBSD console/Hurd console/
* console/rxvt/Eterm. */ * rxvt/Eterm. */
case 'C': /* Esc [ C == Right on ANSI/VT220/Linux case 'C': /* Esc [ C == Right on ANSI/VT220/Linux
* console/FreeBSD console/Hurd * console/FreeBSD console/Hurd console/
* console/rxvt/Eterm. */ * rxvt/Eterm. */
case 'D': /* Esc [ D == Left on ANSI/VT220/Linux case 'D': /* Esc [ D == Left on ANSI/VT220/Linux
* console/FreeBSD console/Hurd * console/FreeBSD console/Hurd console/
* console/rxvt/Eterm. */ * rxvt/Eterm. */
retval = get_escape_seq_abcd(escape_seq[1]); retval = get_escape_seq_abcd(escape_seq[1]);
break; break;
case 'E': /* Esc [ E == Center (5) on numeric keypad case 'E': /* Esc [ E == Center (5) on numeric keypad
@ -965,11 +963,10 @@ int get_escape_seq_kbinput(int *escape_seq, size_t es_len, int
* xterm. */ * xterm. */
retval = KEY_F(4); retval = KEY_F(4);
break; break;
default: /* Esc [ O == F3 on
* FreeBSD console. */
retval = KEY_F(3);
break;
} }
} else {
/* Esc [ O == F3 on FreeBSD console. */
retval = KEY_F(3);
} }
break; break;
case 'P': /* Esc [ P == F4 on FreeBSD console. */ case 'P': /* Esc [ P == F4 on FreeBSD console. */
@ -1007,8 +1004,8 @@ int get_escape_seq_kbinput(int *escape_seq, size_t es_len, int
break; break;
case 'a': /* Esc [ a == Shift-Up on rxvt/Eterm. */ case 'a': /* Esc [ a == Shift-Up on rxvt/Eterm. */
case 'b': /* Esc [ b == Shift-Down on rxvt/Eterm. */ case 'b': /* Esc [ b == Shift-Down on rxvt/Eterm. */
case 'c': /* Esc [ c == Shift-Right on case 'c': /* Esc [ c == Shift-Right on rxvt/
* rxvt/Eterm. */ * Eterm. */
case 'd': /* Esc [ d == Shift-Left on rxvt/Eterm. */ case 'd': /* Esc [ d == Shift-Left on rxvt/Eterm. */
retval = get_escape_seq_abcd(escape_seq[1]); retval = get_escape_seq_abcd(escape_seq[1]);
break; break;