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Ticket #4512: load keys from terminfo and termcap #5073

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Ticket #4512: load keys from terminfo and termcap #5073

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7029cc0
Ticket #4512: load keys from terminfo/termcap.
aborodin Mar 2, 2025
c9ad2a3
(load_terminfo_keys): move body of do_define_key() here.
aborodin Mar 2, 2025
9cce2c2
Refactor keys init & deinit.
aborodin Mar 3, 2025
efed03e
tty: load keys from terminfo or termcap.
aborodin Mar 2, 2025
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187 changes: 187 additions & 0 deletions lib/tty/key.c
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Original file line number Diff line number Diff line change
Expand Up @@ -253,6 +253,14 @@ typedef struct
int action;
} key_define_t;

typedef struct
{
int code;
const char *terminfo_name;
const char *termcap_name;
int action;
} term_key_define_t;

/* File descriptor monitoring add/remove routines */
typedef struct
{
Expand Down Expand Up @@ -286,6 +294,166 @@ static key_define_t mc_default_keys[] = {
{ 0, NULL, MCKEY_NOACTION },
};

// Termcap/terminfo keys
/*
Based on:
https://gist.github.com/ketsuban/651e24c2d59506922d928c65c163d79c
https://man7.org/linux/man-pages/man5/terminfo.5.html
https://www.gnu.org/software/termutils/manual/termcap-1.3/html_node/termcap_37.html
*/
// clang-format off
static term_key_define_t term_key_defines[] = {
{ KEY_BACKSPACE, "kbs", "kb", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_BACKSPACE, "cub1", "le", MCKEY_NOACTION },

{ KEY_IC, "kich1", "kI", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_IC, "kIC", "#3", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_IC, "kIC3", NULL, MCKEY_NOACTION },
{ KEY_M_ALT | KEY_M_SHIFT | KEY_IC, "kIC4", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_IC, "kIC5", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_IC, "kIC6", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_IC, "kIC7", NULL, MCKEY_NOACTION },

{ KEY_DC, "kdch1", "kD", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_DC, "kDC", "*4", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_DC, "kDC3", NULL, MCKEY_NOACTION },
{ KEY_M_ALT | KEY_M_SHIFT | KEY_DC, "kDC4", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_DC, "kDC5", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_DC, "kDC6", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_DC, "kDC7", NULL, MCKEY_NOACTION },

{ KEY_HOME, "khome", "kh", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_HOME, "kHOM", "#2", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_HOME, "kHOM3", NULL, MCKEY_NOACTION },
{ KEY_M_ALT | KEY_M_SHIFT | KEY_HOME, "kHOM4", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_HOME, "kHOM5", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_HOME, "kHOM6", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_HOME, "kHOM7", NULL, MCKEY_NOACTION },

{ KEY_END, "kend", "@7", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_END, "kEND", "*7", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_END, "kEND3", NULL, MCKEY_NOACTION },
{ KEY_M_ALT | KEY_M_SHIFT | KEY_END, "kEND4", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_END, "kEND5", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_END, "kEND6", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_END, "kEND7", NULL, MCKEY_NOACTION },

{ KEY_PPAGE, "kpp", "kP", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_PPAGE, "kPRV", "%e", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_PPAGE, "kPRV3", NULL, MCKEY_NOACTION },
{ KEY_M_ALT | KEY_M_SHIFT | KEY_PPAGE, "kPRV4", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_PPAGE, "kPRV5", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_PPAGE, "kPRV6", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_PPAGE, "kPRV7", NULL, MCKEY_NOACTION },

{ KEY_NPAGE, "knp", "kN", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_NPAGE, "kNXT", "%c", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_NPAGE, "kNXT3", NULL, MCKEY_NOACTION },
{ KEY_M_ALT | KEY_M_SHIFT | KEY_NPAGE, "kNXT4", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_NPAGE, "kNXT5", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_NPAGE, "kNXT6", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_NPAGE, "kNXT7", NULL, MCKEY_NOACTION },

{ KEY_UP, "kcuu1", "ku", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_UP, "kUP", NULL, MCKEY_NOACTION },
{ KEY_M_ALT | KEY_UP, "kUP3", NULL, MCKEY_NOACTION },
{ KEY_M_ALT | KEY_M_SHIFT | KEY_UP, "kUP4", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_UP, "kUP5", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_UP, "kUP6", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_UP, "kUP7", NULL, MCKEY_NOACTION },

{ KEY_DOWN, "kcud1", "kd", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_DOWN, "kDN", NULL, MCKEY_NOACTION },
{ KEY_M_ALT | KEY_DOWN, "kDN3", NULL, MCKEY_NOACTION },
{ KEY_M_ALT | KEY_M_SHIFT | KEY_DOWN, "kDN4", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_DOWN, "kDN5", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_DOWN, "kDN6", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_DOWN, "kDN7", NULL, MCKEY_NOACTION },

{ KEY_RIGHT, "kcuf1", "kr", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_RIGHT, "kRIT", "%i", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_RIGHT, "kRIT3", NULL, MCKEY_NOACTION },
{ KEY_M_ALT | KEY_M_SHIFT | KEY_RIGHT, "kRIT4", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_RIGHT, "kRIT5", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_RIGHT, "kRIT6", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_RIGHT, "kRIT7", NULL, MCKEY_NOACTION },

{ KEY_LEFT, "kcub1", "kl", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_LEFT, "kLFT", "#4", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_LEFT, "kLFT3", NULL, MCKEY_NOACTION },
{ KEY_M_ALT | KEY_M_SHIFT | KEY_LEFT, "kLFT4", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_LEFT, "kLFT5", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_LEFT, "kLFT6", NULL, MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_LEFT, "kLFT7", NULL, MCKEY_NOACTION },

{ KEY_F(1), "kf1", "k1", MCKEY_NOACTION },
{ KEY_F(2), "kf2", "k2", MCKEY_NOACTION },
{ KEY_F(3), "kf3", "k3", MCKEY_NOACTION },
{ KEY_F(4), "kf4", "k4", MCKEY_NOACTION },
{ KEY_F(5), "kf5", "k5", MCKEY_NOACTION },
{ KEY_F(6), "kf6", "k6", MCKEY_NOACTION },
{ KEY_F(7), "kf7", "k7", MCKEY_NOACTION },
{ KEY_F(8), "kf8", "k8", MCKEY_NOACTION },
{ KEY_F(9), "kf9", "k9", MCKEY_NOACTION },
{ KEY_F(10), "kf10", "k;", MCKEY_NOACTION },
{ KEY_F(11), "kf11", "F1", MCKEY_NOACTION },
{ KEY_F(12), "kf12", "F2", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_F(1), "kf13", "F3", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_F(2), "kf14", "F4", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_F(3), "kf15", "F5", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_F(4), "kf16", "F6", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_F(5), "kf17", "F7", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_F(6), "kf18", "F8", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_F(7), "kf19", "F9", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_F(8), "kf20", "FA", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_F(9), "kf21", "FB", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_F(10), "kf22", "FC", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_F(11), "kf23", "FD", MCKEY_NOACTION },
{ KEY_M_SHIFT | KEY_F(12), "kf24", "FE", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_F(1), "kf25", "FF", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_F(2), "kf26", "FG", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_F(3), "kf27", "FH", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_F(4), "kf28", "FI", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_F(5), "kf29", "FJ", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_F(6), "kf30", "FK", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_F(7), "kf31", "FL", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_F(8), "kf32", "FM", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_F(9), "kf33", "FN", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_F(10), "kf34", "FO", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_F(11), "kf35", "FP", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_F(12), "kf36", "FQ", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_F(1), "kf37", "FR", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_F(2), "kf38", "FS", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_F(3), "kf39", "FT", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_F(4), "kf40", "FU", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_F(5), "kf41", "FV", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_F(6), "kf42", "FW", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_F(7), "kf43", "FX", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_F(8), "kf44", "FY", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_F(9), "kf45", "FZ", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_F(10), "kf46", "Fa", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_F(11), "kf47", "Fb", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_SHIFT | KEY_F(12), "kf48", "Fc", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_F(1), "kf49", "Fd", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_F(2), "kf50", "Fe", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_F(3), "kf51", "Ff", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_F(4), "kf52", "Fg", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_F(5), "kf53", "Fh", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_F(6), "kf54", "Fi", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_F(7), "kf55", "Fj", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_F(8), "kf56", "Fk", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_F(9), "kf57", "Fl", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_F(10), "kf58", "Fm", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_F(11), "kf59", "Fn", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_F(12), "kf60", "Fo", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_M_SHIFT | KEY_F(1), "kf61", "Fp", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_M_SHIFT | KEY_F(2), "kf62", "Fq", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_M_SHIFT | KEY_F(3), "kf63", "Fr", MCKEY_NOACTION },

{ 0, NULL, NULL, MCKEY_NOACTION },
};
// clang-format on

/* Broken terminfo and termcap databases on xterminals */
static key_define_t xterm_key_defines[] = {
{ KEY_F (1), ESC_STR "OP", MCKEY_NOACTION },
Expand Down Expand Up @@ -697,6 +865,23 @@ define_sequences (const key_define_t *kd)

/* --------------------------------------------------------------------------------------------- */

static void
define_term_sequences (term_key_define_t *kd)
{
int i;

for (i = 0; kd[i].code != 0; i++)
{
char *seq;

seq = tty_tigetstr (kd[i].terminfo_name, kd[i].termcap_name);
if (seq != NULL)
define_sequence (kd[i].code, seq, kd[i].action);
}
}

/* --------------------------------------------------------------------------------------------- */

#ifdef HAVE_TEXTMODE_X11_SUPPORT
static void
init_key_x11 (void)
Expand Down Expand Up @@ -1320,6 +1505,8 @@ init_key (void)
// So, we can assume that the first keys member has ESC
define_sequences (mc_default_keys);

define_term_sequences (term_key_defines);

// Terminfo on irix does not have some keys
if (mc_global.tty.xterm_flag
|| (term != NULL
Expand Down
2 changes: 2 additions & 0 deletions lib/tty/tty-ncurses.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -257,6 +257,7 @@ tty_init (gboolean mouse_enable, gboolean is_xterm)

if (!mouse_enable)
use_mouse_p = MOUSE_DISABLED;
init_key ();
tty_init_xterm_support (is_xterm); // do it before tty_enter_ca_mode() call
tty_enter_ca_mode ();
tty_raw_mode ();
Expand All @@ -273,6 +274,7 @@ void
tty_shutdown (void)
{
tty_destroy_winch_pipe ();
done_key ();
tty_reset_shell_mode ();
tty_noraw_mode ();
tty_keypad (FALSE);
Expand Down
74 changes: 11 additions & 63 deletions lib/tty/tty-slang.c
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Original file line number Diff line number Diff line change
Expand Up @@ -82,52 +82,6 @@ static gboolean no_slang_delay;

static gboolean slsmg_active = FALSE;

/* This table describes which capabilities we want and which values we
* assign to them.
*/
static const struct
{
int key_code;
const char *key_name;
} key_table[] = {
{ KEY_F (0), "k0" },
{ KEY_F (1), "k1" },
{ KEY_F (2), "k2" },
{ KEY_F (3), "k3" },
{ KEY_F (4), "k4" },
{ KEY_F (5), "k5" },
{ KEY_F (6), "k6" },
{ KEY_F (7), "k7" },
{ KEY_F (8), "k8" },
{ KEY_F (9), "k9" },
{ KEY_F (10), "k;" },
{ KEY_F (11), "F1" },
{ KEY_F (12), "F2" },
{ KEY_F (13), "F3" },
{ KEY_F (14), "F4" },
{ KEY_F (15), "F5" },
{ KEY_F (16), "F6" },
{ KEY_F (17), "F7" },
{ KEY_F (18), "F8" },
{ KEY_F (19), "F9" },
{ KEY_F (20), "FA" },
{ KEY_IC, "kI" },
{ KEY_NPAGE, "kN" },
{ KEY_PPAGE, "kP" },
{ KEY_LEFT, "kl" },
{ KEY_RIGHT, "kr" },
{ KEY_UP, "ku" },
{ KEY_DOWN, "kd" },
{ KEY_DC, "kD" },
{ KEY_BACKSPACE, "kb" },
{ KEY_HOME, "kh" },
{ KEY_END, "@7" },
{
0,
NULL,
},
};

/* --------------------------------------------------------------------------------------------- */
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
Expand Down Expand Up @@ -156,25 +110,19 @@ sigwinch_handler (int dummy)

/* --------------------------------------------------------------------------------------------- */

static void
do_define_key (int code, const char *strcap)
{
char *seq;

seq = SLtt_tgetstr ((SLFUTURE_CONST char *) strcap);
if (seq != NULL)
define_sequence (code, seq, MCKEY_NOACTION);
}

/* --------------------------------------------------------------------------------------------- */

static void
load_terminfo_keys (void)
{
int i;

for (i = 0; key_table[i].key_code; i++)
do_define_key (key_table[i].key_code, key_table[i].key_name);
{
char *seq;

seq = tty_tgetstr (key_table[i].key_name);
if (seq != NULL)
define_sequence (key_table[i].key_code, seq, MCKEY_NOACTION);
}
}

/* --------------------------------------------------------------------------------------------- */
Expand Down Expand Up @@ -259,7 +207,7 @@ tty_init (gboolean mouse_enable, gboolean is_xterm)
tcgetattr (SLang_TT_Read_FD, &new_mode);

tty_reset_prog_mode ();
load_terminfo_keys ();
init_key ();

SLtt_Blink_Mode = (tty_use_256colors (NULL) || tty_use_truecolors (NULL)) ? 1 : 0;

Expand Down Expand Up @@ -295,6 +243,7 @@ tty_shutdown (void)
char *op_cap;

tty_destroy_winch_pipe ();
done_key ();
tty_reset_shell_mode ();
tty_noraw_mode ();
tty_keypad (FALSE);
Expand All @@ -306,7 +255,7 @@ tty_shutdown (void)
/* Load the op capability to reset the colors to those that were
* active when the program was started up
*/
op_cap = SLtt_tgetstr ((SLFUTURE_CONST char *) "op");
op_cap = tty_tgetstr ("op");
if (op_cap != NULL)
{
fputs (op_cap, stdout);
Expand Down Expand Up @@ -403,8 +352,7 @@ tty_keypad (gboolean set)
{
char *keypad_string;

keypad_string = SLtt_tgetstr ((SLFUTURE_CONST char *) (set ? "ks" : "ke"));

keypad_string = tty_tgetstr (set ? "ks" : "ke");
if (keypad_string != NULL)
SLtt_write_string (keypad_string);
}
Expand Down
6 changes: 0 additions & 6 deletions src/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -331,10 +331,6 @@ main (int argc, char *argv[])
vfs_path_free (vpath, TRUE);
}

/* NOTE: This has to be called before tty_init or whatever routine
calls any define_sequence */
init_key ();

// Must be done before installing the SIGCHLD handler [[FIXME]]
handle_console (CONSOLE_INIT);

Expand Down Expand Up @@ -484,8 +480,6 @@ main (int argc, char *argv[])

mc_shell_deinit ();

done_key ();

#ifdef USE_INTERNAL_EDIT
if (macros_list != NULL)
{
Expand Down
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