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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 08:50:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 08:50:31 +0000
commitaed8ce9da277f5ecffe968b324f242c41c3b752a (patch)
treed2e538394cb7a8a7c42a4aac6ccf1a8e3256999b /src/term.c
parentInitial commit. (diff)
downloadvim-upstream.tar.xz
vim-upstream.zip
Adding upstream version 2:9.0.1378.upstream/2%9.0.1378upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/term.c')
-rw-r--r--src/term.c7517
1 files changed, 7517 insertions, 0 deletions
diff --git a/src/term.c b/src/term.c
new file mode 100644
index 0000000..2f0a0cb
--- /dev/null
+++ b/src/term.c
@@ -0,0 +1,7517 @@
+/* vi:set ts=8 sts=4 sw=4 noet:
+ *
+ * VIM - Vi IMproved by Bram Moolenaar
+ *
+ * Do ":help uganda" in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ * See README.txt for an overview of the Vim source code.
+ */
+/*
+ *
+ * term.c: functions for controlling the terminal
+ *
+ * primitive termcap support for Amiga and Win32 included
+ *
+ * NOTE: padding and variable substitution is not performed,
+ * when compiling without HAVE_TGETENT, we use tputs() and tgoto() dummies.
+ */
+
+/*
+ * Some systems have a prototype for tgetstr() with (char *) instead of
+ * (char **). This define removes that prototype. We include our own prototype
+ * below.
+ */
+#define tgetstr tgetstr_defined_wrong
+
+#include "vim.h"
+
+#ifdef HAVE_TGETENT
+# ifdef HAVE_TERMIOS_H
+# include <termios.h> // seems to be required for some Linux
+# endif
+# ifdef HAVE_TERMCAP_H
+# include <termcap.h>
+# endif
+
+/*
+ * A few linux systems define outfuntype in termcap.h to be used as the third
+ * argument for tputs().
+ */
+# if defined(VMS) || defined(AMIGA)
+# define TPUTSFUNCAST (void (*)(unsigned int))
+# else
+# ifdef HAVE_OUTFUNTYPE
+# define TPUTSFUNCAST (outfuntype)
+# else
+# define TPUTSFUNCAST (int (*)(int))
+# endif
+# endif
+#endif
+
+#undef tgetstr
+
+// start of keys that are not directly used by Vim but can be mapped
+#define BT_EXTRA_KEYS 0x101
+
+static void parse_builtin_tcap(char_u *s);
+static void gather_termleader(void);
+#ifdef FEAT_TERMRESPONSE
+static void req_codes_from_term(void);
+static void req_more_codes_from_term(void);
+static void got_code_from_term(char_u *code, int len);
+static void check_for_codes_from_term(void);
+#endif
+static void del_termcode_idx(int idx);
+static int find_term_bykeys(char_u *src);
+static int term_is_builtin(char_u *name);
+static int term_7to8bit(char_u *p);
+static void accept_modifiers_for_function_keys(void);
+
+ // Change this to "if 1" to debug what happens with termresponse.
+# if 0
+# define DEBUG_TERMRESPONSE
+static void log_tr(const char *fmt, ...) ATTRIBUTE_FORMAT_PRINTF(1, 2);
+# define LOG_TR(msg) log_tr msg
+# else
+# define LOG_TR(msg) do { /**/ } while (0)
+# endif
+
+#ifdef HAVE_TGETENT
+static char *invoke_tgetent(char_u *, char_u *);
+
+/*
+ * Here is our own prototype for tgetstr(), any prototypes from the include
+ * files have been disabled by the define at the start of this file.
+ */
+char *tgetstr(char *, char **);
+#endif
+
+typedef enum {
+ STATUS_GET, // send request when switching to RAW mode
+ STATUS_SENT, // did send request, checking for response
+ STATUS_GOT, // received response
+ STATUS_FAIL // timed out
+} request_progress_T;
+
+typedef struct {
+ request_progress_T tr_progress;
+ time_t tr_start; // when request was sent, -1 for never
+} termrequest_T;
+
+# define TERMREQUEST_INIT {STATUS_GET, -1}
+
+// Request Terminal Version status:
+static termrequest_T crv_status = TERMREQUEST_INIT;
+
+// Request Cursor position report:
+static termrequest_T u7_status = TERMREQUEST_INIT;
+
+// Request xterm compatibility check:
+static termrequest_T xcc_status = TERMREQUEST_INIT;
+
+#ifdef FEAT_TERMRESPONSE
+# ifdef FEAT_TERMINAL
+// Request foreground color report:
+static termrequest_T rfg_status = TERMREQUEST_INIT;
+static int fg_r = 0;
+static int fg_g = 0;
+static int fg_b = 0;
+static int bg_r = 255;
+static int bg_g = 255;
+static int bg_b = 255;
+# endif
+
+// Request background color report:
+static termrequest_T rbg_status = TERMREQUEST_INIT;
+
+// Request cursor blinking mode report:
+static termrequest_T rbm_status = TERMREQUEST_INIT;
+
+// Request cursor style report:
+static termrequest_T rcs_status = TERMREQUEST_INIT;
+
+// Request window's position report:
+static termrequest_T winpos_status = TERMREQUEST_INIT;
+
+static termrequest_T *all_termrequests[] = {
+ &crv_status,
+ &u7_status,
+ &xcc_status,
+# ifdef FEAT_TERMINAL
+ &rfg_status,
+# endif
+ &rbg_status,
+ &rbm_status,
+ &rcs_status,
+ &winpos_status,
+ NULL
+};
+
+// The t_8u code may default to a value but get reset when the term response is
+// received. To avoid redrawing too often, only redraw when t_8u is not reset
+// and it was supposed to be written. Unless t_8u was set explicitly.
+// FALSE -> don't output t_8u yet
+// MAYBE -> tried outputting t_8u while FALSE
+// OK -> can write t_8u
+int write_t_8u_state = FALSE;
+#endif
+
+#ifdef HAVE_TGETENT
+/*
+ * Don't declare these variables if termcap.h contains them.
+ * Autoconf checks if these variables should be declared extern (not all
+ * systems have them).
+ * Some versions define ospeed to be speed_t, but that is incompatible with
+ * BSD, where ospeed is short and speed_t is long.
+ */
+# ifndef HAVE_OSPEED
+# ifdef OSPEED_EXTERN
+extern short ospeed;
+# else
+short ospeed;
+# endif
+# endif
+# ifndef HAVE_UP_BC_PC
+# ifdef UP_BC_PC_EXTERN
+extern char *UP, *BC, PC;
+# else
+char *UP, *BC, PC;
+# endif
+# endif
+
+# define TGETSTR(s, p) vim_tgetstr((s), (p))
+# define TGETENT(b, t) tgetent((char *)(b), (char *)(t))
+static char_u *vim_tgetstr(char *s, char_u **pp);
+#endif // HAVE_TGETENT
+
+static int detected_8bit = FALSE; // detected 8-bit terminal
+
+#if (defined(UNIX) || defined(VMS))
+static int focus_state = MAYBE; // TRUE if the Vim window has focus
+#endif
+
+#ifdef FEAT_TERMRESPONSE
+// When the cursor shape was detected these values are used:
+// 1: block, 2: underline, 3: vertical bar
+static int initial_cursor_shape = 0;
+
+// The blink flag from the style response may be inverted from the actual
+// blinking state, xterm XORs the flags.
+static int initial_cursor_shape_blink = FALSE;
+
+// The blink flag from the blinking-cursor mode response
+static int initial_cursor_blink = FALSE;
+#endif
+
+/*
+ * The builtin termcap entries.
+ *
+ * The entries are also included when HAVE_TGETENT is defined, the system
+ * termcap may be incomplete and a few Vim-specific entries are added.
+ *
+ * When HAVE_TGETENT is defined, the builtin entries can be accessed with
+ * "builtin_amiga", "builtin_ansi", "builtin_debug", etc.
+ *
+ * Each termcap is a list of tcap_entry_T. See parse_builtin_tcap() for all
+ * details.
+ *
+ * Entries marked with "guessed" may be wrong.
+ */
+typedef struct
+{
+ int bt_entry; // either a KS_xxx code (>= 0), or a K_xxx code.
+ char *bt_string; // value
+} tcap_entry_T;
+
+/*
+ * Standard ANSI terminal, default for Unix.
+ */
+static tcap_entry_T builtin_ansi[] = {
+ {(int)KS_CE, "\033[K"},
+ {(int)KS_AL, "\033[L"},
+# ifdef TERMINFO
+ {(int)KS_CAL, "\033[%p1%dL"},
+# else
+ {(int)KS_CAL, "\033[%dL"},
+# endif
+ {(int)KS_DL, "\033[M"},
+# ifdef TERMINFO
+ {(int)KS_CDL, "\033[%p1%dM"},
+# else
+ {(int)KS_CDL, "\033[%dM"},
+# endif
+ {(int)KS_CL, "\033[H\033[2J"},
+ {(int)KS_ME, "\033[0m"},
+ {(int)KS_MR, "\033[7m"},
+ {(int)KS_MS, "y"},
+ {(int)KS_UT, "y"}, // guessed
+ {(int)KS_LE, "\b"},
+# ifdef TERMINFO
+ {(int)KS_CM, "\033[%i%p1%d;%p2%dH"},
+# else
+ {(int)KS_CM, "\033[%i%d;%dH"},
+# endif
+# ifdef TERMINFO
+ {(int)KS_CRI, "\033[%p1%dC"},
+# else
+ {(int)KS_CRI, "\033[%dC"},
+# endif
+
+ {(int)KS_NAME, NULL} // end marker
+};
+
+/*
+ * VT320 is working as an ANSI terminal compatible DEC terminal.
+ * (it covers VT1x0, VT2x0 and VT3x0 up to VT320 on VMS as well)
+ * TODO:- rewrite ESC[ codes to CSI
+ * - keyboard languages (CSI ? 26 n)
+ */
+static tcap_entry_T builtin_vt320[] = {
+ {(int)KS_CE, "\033[K"},
+ {(int)KS_AL, "\033[L"},
+# ifdef TERMINFO
+ {(int)KS_CAL, "\033[%p1%dL"},
+# else
+ {(int)KS_CAL, "\033[%dL"},
+# endif
+ {(int)KS_DL, "\033[M"},
+# ifdef TERMINFO
+ {(int)KS_CDL, "\033[%p1%dM"},
+# else
+ {(int)KS_CDL, "\033[%dM"},
+# endif
+ {(int)KS_CL, "\033[H\033[2J"},
+ {(int)KS_CD, "\033[J"},
+ {(int)KS_CCO, "8"}, // allow 8 colors
+ {(int)KS_ME, "\033[0m"},
+ {(int)KS_MR, "\033[7m"},
+ {(int)KS_MD, "\033[1m"}, // bold mode
+ {(int)KS_SE, "\033[22m"},// normal mode
+ {(int)KS_UE, "\033[24m"},// exit underscore mode
+ {(int)KS_US, "\033[4m"}, // underscore mode
+ {(int)KS_CZH, "\033[34;43m"}, // italic mode: blue text on yellow
+ {(int)KS_CZR, "\033[0m"}, // italic mode end
+ {(int)KS_CAB, "\033[4%dm"}, // set background color (ANSI)
+ {(int)KS_CAF, "\033[3%dm"}, // set foreground color (ANSI)
+ {(int)KS_CSB, "\033[102;%dm"}, // set screen background color
+ {(int)KS_CSF, "\033[101;%dm"}, // set screen foreground color
+ {(int)KS_MS, "y"},
+ {(int)KS_UT, "y"},
+ {(int)KS_XN, "y"},
+ {(int)KS_LE, "\b"},
+# ifdef TERMINFO
+ {(int)KS_CM, "\033[%i%p1%d;%p2%dH"},
+# else
+ {(int)KS_CM, "\033[%i%d;%dH"},
+# endif
+# ifdef TERMINFO
+ {(int)KS_CRI, "\033[%p1%dC"},
+# else
+ {(int)KS_CRI, "\033[%dC"},
+# endif
+ {K_UP, "\033[A"},
+ {K_DOWN, "\033[B"},
+ {K_RIGHT, "\033[C"},
+ {K_LEFT, "\033[D"},
+ // Note: cursor key sequences for application cursor mode are omitted,
+ // because they interfere with typed commands: <Esc>OA.
+ {K_F1, "\033[11~"},
+ {K_F2, "\033[12~"},
+ {K_F3, "\033[13~"},
+ {K_F4, "\033[14~"},
+ {K_F5, "\033[15~"},
+ {K_F6, "\033[17~"},
+ {K_F7, "\033[18~"},
+ {K_F8, "\033[19~"},
+ {K_F9, "\033[20~"},
+ {K_F10, "\033[21~"},
+ {K_F11, "\033[23~"},
+ {K_F12, "\033[24~"},
+ {K_F13, "\033[25~"},
+ {K_F14, "\033[26~"},
+ {K_F15, "\033[28~"}, // Help
+ {K_F16, "\033[29~"}, // Select
+ {K_F17, "\033[31~"},
+ {K_F18, "\033[32~"},
+ {K_F19, "\033[33~"},
+ {K_F20, "\033[34~"},
+ {K_INS, "\033[2~"},
+ {K_DEL, "\033[3~"},
+ {K_HOME, "\033[1~"},
+ {K_END, "\033[4~"},
+ {K_PAGEUP, "\033[5~"},
+ {K_PAGEDOWN, "\033[6~"},
+ // These sequences starting with <Esc> O may interfere with what the user
+ // is typing. Remove these if that bothers you.
+ {K_KPLUS, "\033Ok"}, // keypad plus
+ {K_KMINUS, "\033Om"}, // keypad minus
+ {K_KDIVIDE, "\033Oo"}, // keypad /
+ {K_KMULTIPLY, "\033Oj"}, // keypad *
+ {K_KENTER, "\033OM"}, // keypad Enter
+ {K_K0, "\033Op"}, // keypad 0
+ {K_K1, "\033Oq"}, // keypad 1
+ {K_K2, "\033Or"}, // keypad 2
+ {K_K3, "\033Os"}, // keypad 3
+ {K_K4, "\033Ot"}, // keypad 4
+ {K_K5, "\033Ou"}, // keypad 5
+ {K_K6, "\033Ov"}, // keypad 6
+ {K_K7, "\033Ow"}, // keypad 7
+ {K_K8, "\033Ox"}, // keypad 8
+ {K_K9, "\033Oy"}, // keypad 9
+ {K_BS, "\x7f"}, // for some reason 0177 doesn't work
+
+ {(int)KS_NAME, NULL} // end marker
+};
+
+/*
+ * Ordinary vt52
+ */
+static tcap_entry_T builtin_vt52[] = {
+ {(int)KS_CE, "\033K"},
+ {(int)KS_CD, "\033J"},
+# ifdef TERMINFO
+ {(int)KS_CM, "\033Y%p1%' '%+%c%p2%' '%+%c"},
+# else
+ {(int)KS_CM, "\033Y%+ %+ "},
+# endif
+ {(int)KS_LE, "\b"},
+ {(int)KS_SR, "\033I"},
+ {(int)KS_AL, "\033L"},
+ {(int)KS_DL, "\033M"},
+ {K_UP, "\033A"},
+ {K_DOWN, "\033B"},
+ {K_LEFT, "\033D"},
+ {K_RIGHT, "\033C"},
+ {K_F1, "\033P"},
+ {K_F2, "\033Q"},
+ {K_F3, "\033R"},
+ {(int)KS_CL, "\033H\033J"},
+ {(int)KS_MS, "y"},
+
+ {(int)KS_NAME, NULL} // end marker
+};
+
+/*
+ * Builtin xterm with Vim-specific entries.
+ */
+static tcap_entry_T builtin_xterm[] = {
+ {(int)KS_CE, "\033[K"},
+ {(int)KS_AL, "\033[L"},
+# ifdef TERMINFO
+ {(int)KS_CAL, "\033[%p1%dL"},
+# else
+ {(int)KS_CAL, "\033[%dL"},
+# endif
+ {(int)KS_DL, "\033[M"},
+# ifdef TERMINFO
+ {(int)KS_CDL, "\033[%p1%dM"},
+# else
+ {(int)KS_CDL, "\033[%dM"},
+# endif
+# ifdef TERMINFO
+ {(int)KS_CS, "\033[%i%p1%d;%p2%dr"},
+# else
+ {(int)KS_CS, "\033[%i%d;%dr"},
+# endif
+ {(int)KS_CL, "\033[H\033[2J"},
+ {(int)KS_CD, "\033[J"},
+ {(int)KS_ME, "\033[m"},
+ {(int)KS_MR, "\033[7m"},
+ {(int)KS_MD, "\033[1m"},
+ {(int)KS_UE, "\033[m"},
+ {(int)KS_US, "\033[4m"},
+ {(int)KS_STE, "\033[29m"},
+ {(int)KS_STS, "\033[9m"},
+ {(int)KS_MS, "y"},
+ {(int)KS_UT, "y"},
+ {(int)KS_LE, "\b"},
+ {(int)KS_VI, "\033[?25l"},
+ {(int)KS_VE, "\033[?25h"},
+ {(int)KS_VS, "\033[?12h"},
+ {(int)KS_CVS, "\033[?12l"},
+# ifdef TERMINFO
+ {(int)KS_CSH, "\033[%p1%d q"},
+# else
+ {(int)KS_CSH, "\033[%d q"},
+# endif
+ {(int)KS_CRC, "\033[?12$p"},
+ {(int)KS_CRS, "\033P$q q\033\\"},
+# ifdef TERMINFO
+ {(int)KS_CM, "\033[%i%p1%d;%p2%dH"},
+# else
+ {(int)KS_CM, "\033[%i%d;%dH"},
+# endif
+ {(int)KS_SR, "\033M"},
+# ifdef TERMINFO
+ {(int)KS_CRI, "\033[%p1%dC"},
+# else
+ {(int)KS_CRI, "\033[%dC"},
+# endif
+ {(int)KS_KS, "\033[?1h\033="},
+ {(int)KS_KE, "\033[?1l\033>"},
+# ifdef FEAT_XTERM_SAVE
+ {(int)KS_TI, "\0337\033[?47h"},
+ {(int)KS_TE, "\033[?47l\0338"},
+# endif
+ // These are now under control of the 'keyprotocol' option, see
+ // "builtin_mok2".
+ // {(int)KS_CTI, "\033[>4;2m"},
+ // {(int)KS_CRK, "\033[?4m"},
+ // {(int)KS_CTE, "\033[>4;m"},
+ {(int)KS_CIS, "\033]1;"},
+ {(int)KS_CIE, "\007"},
+ {(int)KS_TS, "\033]2;"},
+ {(int)KS_FS, "\007"},
+ {(int)KS_CSC, "\033]12;"},
+ {(int)KS_CEC, "\007"},
+# ifdef TERMINFO
+ {(int)KS_CWS, "\033[8;%p1%d;%p2%dt"},
+ {(int)KS_CWP, "\033[3;%p1%d;%p2%dt"},
+ {(int)KS_CGP, "\033[13t"},
+# else
+ {(int)KS_CWS, "\033[8;%d;%dt"},
+ {(int)KS_CWP, "\033[3;%d;%dt"},
+ {(int)KS_CGP, "\033[13t"},
+# endif
+ {(int)KS_CRV, "\033[>c"},
+ {(int)KS_CXM, "\033[?1006;1000%?%p1%{1}%=%th%el%;"},
+ {(int)KS_RFG, "\033]10;?\007"},
+ {(int)KS_RBG, "\033]11;?\007"},
+ {(int)KS_U7, "\033[6n"},
+ {(int)KS_CAU, "\033[58;5;%dm"},
+ {(int)KS_CBE, "\033[?2004h"},
+ {(int)KS_CBD, "\033[?2004l"},
+ {(int)KS_CST, "\033[22;2t"},
+ {(int)KS_CRT, "\033[23;2t"},
+ {(int)KS_SSI, "\033[22;1t"},
+ {(int)KS_SRI, "\033[23;1t"},
+# if (defined(UNIX) || defined(VMS))
+ {(int)KS_FD, "\033[?1004l"},
+ {(int)KS_FE, "\033[?1004h"},
+# endif
+
+ {K_UP, "\033O*A"},
+ {K_DOWN, "\033O*B"},
+ {K_RIGHT, "\033O*C"},
+ {K_LEFT, "\033O*D"},
+ // An extra set of cursor keys for vt100 mode
+ {K_XUP, "\033[@;*A"}, // Esc [ A or Esc [ 1 ; A
+ {K_XDOWN, "\033[@;*B"}, // Esc [ B or Esc [ 1 ; B
+ {K_XRIGHT, "\033[@;*C"}, // Esc [ C or Esc [ 1 ; C
+ {K_XLEFT, "\033[@;*D"}, // Esc [ D or Esc [ 1 ; D
+ // An extra set of function keys for vt100 mode
+ {K_XF1, "\033O*P"},
+ {K_XF2, "\033O*Q"},
+ {K_XF3, "\033O*R"},
+ {K_XF4, "\033O*S"},
+ {K_F1, "\033[11;*~"},
+ {K_F2, "\033[12;*~"},
+ {K_F3, "\033[13;*~"},
+ {K_F4, "\033[14;*~"},
+ {K_F5, "\033[15;*~"},
+ {K_F6, "\033[17;*~"},
+ {K_F7, "\033[18;*~"},
+ {K_F8, "\033[19;*~"},
+ {K_F9, "\033[20;*~"},
+ {K_F10, "\033[21;*~"},
+ {K_F11, "\033[23;*~"},
+ {K_F12, "\033[24;*~"},
+ {K_S_TAB, "\033[Z"},
+ {K_HELP, "\033[28;*~"},
+ {K_UNDO, "\033[26;*~"},
+ {K_INS, "\033[2;*~"},
+ {K_HOME, "\033[@;*H"}, // Esc [ H or Esc 1 ; H
+ // {K_S_HOME, "\033O2H"},
+ // {K_C_HOME, "\033O5H"},
+ {K_KHOME, "\033[1;*~"},
+ {K_XHOME, "\033O*H"}, // other Home
+ {K_ZHOME, "\033[7;*~"}, // other Home
+ {K_END, "\033[@;*F"}, // Esc [ F or Esc 1 ; F
+ // {K_S_END, "\033O2F"},
+ // {K_C_END, "\033O5F"},
+ {K_KEND, "\033[4;*~"},
+ {K_XEND, "\033O*F"}, // other End
+ {K_ZEND, "\033[8;*~"},
+ {K_PAGEUP, "\033[5;*~"},
+ {K_PAGEDOWN, "\033[6;*~"},
+ {K_KPLUS, "\033O*k"}, // keypad plus
+ {K_KMINUS, "\033O*m"}, // keypad minus
+ {K_KDIVIDE, "\033O*o"}, // keypad /
+ {K_KMULTIPLY, "\033O*j"}, // keypad *
+ {K_KENTER, "\033O*M"}, // keypad Enter
+ {K_KPOINT, "\033O*n"}, // keypad .
+ {K_K0, "\033O*p"}, // keypad 0
+ {K_K1, "\033O*q"}, // keypad 1
+ {K_K2, "\033O*r"}, // keypad 2
+ {K_K3, "\033O*s"}, // keypad 3
+ {K_K4, "\033O*t"}, // keypad 4
+ {K_K5, "\033O*u"}, // keypad 5
+ {K_K6, "\033O*v"}, // keypad 6
+ {K_K7, "\033O*w"}, // keypad 7
+ {K_K8, "\033O*x"}, // keypad 8
+ {K_K9, "\033O*y"}, // keypad 9
+ {K_KDEL, "\033[3;*~"}, // keypad Del
+ {K_PS, "\033[200~"}, // paste start
+ {K_PE, "\033[201~"}, // paste end
+
+ {BT_EXTRA_KEYS, ""},
+ {TERMCAP2KEY('k', '0'), "\033[10;*~"}, // F0
+ {TERMCAP2KEY('F', '3'), "\033[25;*~"}, // F13
+ // F14 and F15 are missing, because they send the same codes as the undo
+ // and help key, although they don't work on all keyboards.
+ {TERMCAP2KEY('F', '6'), "\033[29;*~"}, // F16
+ {TERMCAP2KEY('F', '7'), "\033[31;*~"}, // F17
+ {TERMCAP2KEY('F', '8'), "\033[32;*~"}, // F18
+ {TERMCAP2KEY('F', '9'), "\033[33;*~"}, // F19
+ {TERMCAP2KEY('F', 'A'), "\033[34;*~"}, // F20
+
+ {TERMCAP2KEY('F', 'B'), "\033[42;*~"}, // F21
+ {TERMCAP2KEY('F', 'C'), "\033[43;*~"}, // F22
+ {TERMCAP2KEY('F', 'D'), "\033[44;*~"}, // F23
+ {TERMCAP2KEY('F', 'E'), "\033[45;*~"}, // F24
+ {TERMCAP2KEY('F', 'F'), "\033[46;*~"}, // F25
+ {TERMCAP2KEY('F', 'G'), "\033[47;*~"}, // F26
+ {TERMCAP2KEY('F', 'H'), "\033[48;*~"}, // F27
+ {TERMCAP2KEY('F', 'I'), "\033[49;*~"}, // F28
+ {TERMCAP2KEY('F', 'J'), "\033[50;*~"}, // F29
+ {TERMCAP2KEY('F', 'K'), "\033[51;*~"}, // F30
+
+ {TERMCAP2KEY('F', 'L'), "\033[52;*~"}, // F31
+ {TERMCAP2KEY('F', 'M'), "\033[53;*~"}, // F32
+ {TERMCAP2KEY('F', 'N'), "\033[54;*~"}, // F33
+ {TERMCAP2KEY('F', 'O'), "\033[55;*~"}, // F34
+ {TERMCAP2KEY('F', 'P'), "\033[56;*~"}, // F35
+ {TERMCAP2KEY('F', 'Q'), "\033[57;*~"}, // F36
+ {TERMCAP2KEY('F', 'R'), "\033[58;*~"}, // F37
+
+ {(int)KS_NAME, NULL} // end marker
+};
+
+/*
+ * Additions for using modifyOtherKeys level 2. Same as what is used for
+ * xterm.
+ */
+static tcap_entry_T builtin_mok2[] = {
+ // t_TI enables modifyOtherKeys level 2
+ {(int)KS_CTI, "\033[>4;2m"},
+
+ // XTQMODKEYS was added in xterm version 377: "CSI ? 4 m" which should
+ // return "{lead} > 4 ; Pv m". Before version 377 we expect it to have no
+ // effect.
+ {(int)KS_CRK, "\033[?4m"},
+
+ // t_TE disables modifyOtherKeys
+ {(int)KS_CTE, "\033[>4;m"},
+
+ {(int)KS_NAME, NULL} // end marker
+};
+
+/*
+ * Additions for using the Kitty keyboard protocol.
+ */
+static tcap_entry_T builtin_kitty[] = {
+ // t_TI enables the kitty keyboard protocol.
+ {(int)KS_CTI, "\033[=1;1u"},
+
+ // t_RK requests the kitty keyboard protocol state
+ {(int)KS_CRK, "\033[?u"},
+
+ // t_TE also disables modifyOtherKeys, because t_TI from xterm may already
+ // have been used.
+ {(int)KS_CTE, "\033[>4;m\033[=0;1u"},
+
+ {(int)KS_NAME, NULL} // end marker
+};
+
+#ifdef FEAT_TERMGUICOLORS
+/*
+ * Additions for using the RGB colors
+ */
+static tcap_entry_T builtin_rgb[] = {
+ // These are printf strings, not terminal codes.
+ {(int)KS_8F, "\033[38;2;%lu;%lu;%lum"},
+ {(int)KS_8B, "\033[48;2;%lu;%lu;%lum"},
+ {(int)KS_8U, "\033[58;2;%lu;%lu;%lum"},
+
+ {(int)KS_NAME, NULL} // end marker
+};
+#endif
+
+/*
+ * iris-ansi for Silicon Graphics machines.
+ */
+static tcap_entry_T builtin_iris_ansi[] = {
+ {(int)KS_CE, "\033[K"},
+ {(int)KS_CD, "\033[J"},
+ {(int)KS_AL, "\033[L"},
+# ifdef TERMINFO
+ {(int)KS_CAL, "\033[%p1%dL"},
+# else
+ {(int)KS_CAL, "\033[%dL"},
+# endif
+ {(int)KS_DL, "\033[M"},
+# ifdef TERMINFO
+ {(int)KS_CDL, "\033[%p1%dM"},
+# else
+ {(int)KS_CDL, "\033[%dM"},
+# endif
+#if 0 // The scroll region is not working as Vim expects.
+# ifdef TERMINFO
+ {(int)KS_CS, "\033[%i%p1%d;%p2%dr"},
+# else
+ {(int)KS_CS, "\033[%i%d;%dr"},
+# endif
+#endif
+ {(int)KS_CL, "\033[H\033[2J"},
+ {(int)KS_VE, "\033[9/y\033[12/y"}, // These aren't documented
+ {(int)KS_VS, "\033[10/y\033[=1h\033[=2l"}, // These aren't documented
+ {(int)KS_TI, "\033[=6h"},
+ {(int)KS_TE, "\033[=6l"},
+ {(int)KS_SE, "\033[21;27m"},
+ {(int)KS_SO, "\033[1;7m"},
+ {(int)KS_ME, "\033[m"},
+ {(int)KS_MR, "\033[7m"},
+ {(int)KS_MD, "\033[1m"},
+ {(int)KS_CCO, "8"}, // allow 8 colors
+ {(int)KS_CZH, "\033[3m"}, // italic mode on
+ {(int)KS_CZR, "\033[23m"}, // italic mode off
+ {(int)KS_US, "\033[4m"}, // underline on
+ {(int)KS_UE, "\033[24m"}, // underline off
+# ifdef TERMINFO
+ {(int)KS_CAB, "\033[4%p1%dm"}, // set background color (ANSI)
+ {(int)KS_CAF, "\033[3%p1%dm"}, // set foreground color (ANSI)
+ {(int)KS_CSB, "\033[102;%p1%dm"}, // set screen background color
+ {(int)KS_CSF, "\033[101;%p1%dm"}, // set screen foreground color
+# else
+ {(int)KS_CAB, "\033[4%dm"}, // set background color (ANSI)
+ {(int)KS_CAF, "\033[3%dm"}, // set foreground color (ANSI)
+ {(int)KS_CSB, "\033[102;%dm"}, // set screen background color
+ {(int)KS_CSF, "\033[101;%dm"}, // set screen foreground color
+# endif
+ {(int)KS_MS, "y"}, // guessed
+ {(int)KS_UT, "y"}, // guessed
+ {(int)KS_LE, "\b"},
+# ifdef TERMINFO
+ {(int)KS_CM, "\033[%i%p1%d;%p2%dH"},
+# else
+ {(int)KS_CM, "\033[%i%d;%dH"},
+# endif
+ {(int)KS_SR, "\033M"},
+# ifdef TERMINFO
+ {(int)KS_CRI, "\033[%p1%dC"},
+# else
+ {(int)KS_CRI, "\033[%dC"},
+# endif
+ {(int)KS_CIS, "\033P3.y"},
+ {(int)KS_CIE, "\234"}, // ST "String Terminator"
+ {(int)KS_TS, "\033P1.y"},
+ {(int)KS_FS, "\234"}, // ST "String Terminator"
+# ifdef TERMINFO
+ {(int)KS_CWS, "\033[203;%p1%d;%p2%d/y"},
+ {(int)KS_CWP, "\033[205;%p1%d;%p2%d/y"},
+# else
+ {(int)KS_CWS, "\033[203;%d;%d/y"},
+ {(int)KS_CWP, "\033[205;%d;%d/y"},
+# endif
+ {K_UP, "\033[A"},
+ {K_DOWN, "\033[B"},
+ {K_LEFT, "\033[D"},
+ {K_RIGHT, "\033[C"},
+ {K_S_UP, "\033[161q"},
+ {K_S_DOWN, "\033[164q"},
+ {K_S_LEFT, "\033[158q"},
+ {K_S_RIGHT, "\033[167q"},
+ {K_F1, "\033[001q"},
+ {K_F2, "\033[002q"},
+ {K_F3, "\033[003q"},
+ {K_F4, "\033[004q"},
+ {K_F5, "\033[005q"},
+ {K_F6, "\033[006q"},
+ {K_F7, "\033[007q"},
+ {K_F8, "\033[008q"},
+ {K_F9, "\033[009q"},
+ {K_F10, "\033[010q"},
+ {K_F11, "\033[011q"},
+ {K_F12, "\033[012q"},
+ {K_S_F1, "\033[013q"},
+ {K_S_F2, "\033[014q"},
+ {K_S_F3, "\033[015q"},
+ {K_S_F4, "\033[016q"},
+ {K_S_F5, "\033[017q"},
+ {K_S_F6, "\033[018q"},
+ {K_S_F7, "\033[019q"},
+ {K_S_F8, "\033[020q"},
+ {K_S_F9, "\033[021q"},
+ {K_S_F10, "\033[022q"},
+ {K_S_F11, "\033[023q"},
+ {K_S_F12, "\033[024q"},
+ {K_INS, "\033[139q"},
+ {K_HOME, "\033[H"},
+ {K_END, "\033[146q"},
+ {K_PAGEUP, "\033[150q"},
+ {K_PAGEDOWN, "\033[154q"},
+
+ {(int)KS_NAME, NULL} // end marker
+};
+
+/*
+ * These codes are valid when nansi.sys or equivalent has been installed.
+ * Function keys on a PC are preceded with a NUL. These are converted into
+ * K_NUL '\316' in mch_inchar(), because we cannot handle NULs in key codes.
+ * CTRL-arrow is used instead of SHIFT-arrow.
+ */
+static tcap_entry_T builtin_pcansi[] = {
+ {(int)KS_DL, "\033[M"},
+ {(int)KS_AL, "\033[L"},
+ {(int)KS_CE, "\033[K"},
+ {(int)KS_CL, "\033[2J"},
+ {(int)KS_ME, "\033[0m"},
+ {(int)KS_MR, "\033[5m"}, // reverse: black on lightgrey
+ {(int)KS_MD, "\033[1m"}, // bold: white text
+ {(int)KS_SE, "\033[0m"}, // standout end
+ {(int)KS_SO, "\033[31m"}, // standout: white on blue
+ {(int)KS_CZH, "\033[34;43m"}, // italic mode: blue text on yellow
+ {(int)KS_CZR, "\033[0m"}, // italic mode end
+ {(int)KS_US, "\033[36;41m"}, // underscore mode: cyan text on red
+ {(int)KS_UE, "\033[0m"}, // underscore mode end
+ {(int)KS_CCO, "8"}, // allow 8 colors
+# ifdef TERMINFO
+ {(int)KS_CAB, "\033[4%p1%dm"},// set background color
+ {(int)KS_CAF, "\033[3%p1%dm"},// set foreground color
+# else
+ {(int)KS_CAB, "\033[4%dm"}, // set background color
+ {(int)KS_CAF, "\033[3%dm"}, // set foreground color
+# endif
+ {(int)KS_OP, "\033[0m"}, // reset colors
+ {(int)KS_MS, "y"},
+ {(int)KS_UT, "y"}, // guessed
+ {(int)KS_LE, "\b"},
+# ifdef TERMINFO
+ {(int)KS_CM, "\033[%i%p1%d;%p2%dH"},
+# else
+ {(int)KS_CM, "\033[%i%d;%dH"},
+# endif
+# ifdef TERMINFO
+ {(int)KS_CRI, "\033[%p1%dC"},
+# else
+ {(int)KS_CRI, "\033[%dC"},
+# endif
+ {K_UP, "\316H"},
+ {K_DOWN, "\316P"},
+ {K_LEFT, "\316K"},
+ {K_RIGHT, "\316M"},
+ {K_S_LEFT, "\316s"},
+ {K_S_RIGHT, "\316t"},
+ {K_F1, "\316;"},
+ {K_F2, "\316<"},
+ {K_F3, "\316="},
+ {K_F4, "\316>"},
+ {K_F5, "\316?"},
+ {K_F6, "\316@"},
+ {K_F7, "\316A"},
+ {K_F8, "\316B"},
+ {K_F9, "\316C"},
+ {K_F10, "\316D"},
+ {K_F11, "\316\205"}, // guessed
+ {K_F12, "\316\206"}, // guessed
+ {K_S_F1, "\316T"},
+ {K_S_F2, "\316U"},
+ {K_S_F3, "\316V"},
+ {K_S_F4, "\316W"},
+ {K_S_F5, "\316X"},
+ {K_S_F6, "\316Y"},
+ {K_S_F7, "\316Z"},
+ {K_S_F8, "\316["},
+ {K_S_F9, "\316\\"},
+ {K_S_F10, "\316]"},
+ {K_S_F11, "\316\207"}, // guessed
+ {K_S_F12, "\316\210"}, // guessed
+ {K_INS, "\316R"},
+ {K_DEL, "\316S"},
+ {K_HOME, "\316G"},
+ {K_END, "\316O"},
+ {K_PAGEDOWN, "\316Q"},
+ {K_PAGEUP, "\316I"},
+
+ {(int)KS_NAME, NULL} // end marker
+};
+
+/*
+ * These codes are valid for the Win32 Console. The entries that start with
+ * ESC | are translated into console calls in os_win32.c. The function keys
+ * are also translated in os_win32.c.
+ */
+static tcap_entry_T builtin_win32[] = {
+ {(int)KS_CE, "\033|K"}, // clear to end of line
+ {(int)KS_AL, "\033|L"}, // add new blank line
+# ifdef TERMINFO
+ {(int)KS_CAL, "\033|%p1%dL"}, // add number of new blank lines
+# else
+ {(int)KS_CAL, "\033|%dL"}, // add number of new blank lines
+# endif
+ {(int)KS_DL, "\033|M"}, // delete line
+# ifdef TERMINFO
+ {(int)KS_CDL, "\033|%p1%dM"}, // delete number of lines
+ {(int)KS_CSV, "\033|%p1%d;%p2%dV"},
+# else
+ {(int)KS_CDL, "\033|%dM"}, // delete number of lines
+ {(int)KS_CSV, "\033|%d;%dV"},
+# endif
+ {(int)KS_CL, "\033|J"}, // clear screen
+ {(int)KS_CD, "\033|j"}, // clear to end of display
+ {(int)KS_VI, "\033|v"}, // cursor invisible
+ {(int)KS_VE, "\033|V"}, // cursor visible
+
+ {(int)KS_ME, "\033|0m"}, // normal
+ {(int)KS_MR, "\033|112m"}, // reverse: black on lightgray
+ {(int)KS_MD, "\033|15m"}, // bold: white on black
+#if 1
+ {(int)KS_SO, "\033|31m"}, // standout: white on blue
+ {(int)KS_SE, "\033|0m"}, // standout end
+#else
+ {(int)KS_SO, "\033|F"}, // standout: high intensity
+ {(int)KS_SE, "\033|f"}, // standout end
+#endif
+ {(int)KS_CZH, "\033|225m"}, // italic: blue text on yellow
+ {(int)KS_CZR, "\033|0m"}, // italic end
+ {(int)KS_US, "\033|67m"}, // underscore: cyan text on red
+ {(int)KS_UE, "\033|0m"}, // underscore end
+ {(int)KS_CCO, "16"}, // allow 16 colors
+# ifdef TERMINFO
+ {(int)KS_CAB, "\033|%p1%db"}, // set background color
+ {(int)KS_CAF, "\033|%p1%df"}, // set foreground color
+# else
+ {(int)KS_CAB, "\033|%db"}, // set background color
+ {(int)KS_CAF, "\033|%df"}, // set foreground color
+# endif
+
+ {(int)KS_MS, "y"}, // save to move cur in reverse mode
+ {(int)KS_UT, "y"},
+ {(int)KS_XN, "y"},
+ {(int)KS_LE, "\b"},
+# ifdef TERMINFO
+ {(int)KS_CM, "\033|%i%p1%d;%p2%dH"}, // cursor motion
+# else
+ {(int)KS_CM, "\033|%i%d;%dH"}, // cursor motion
+# endif
+ {(int)KS_VB, "\033|B"}, // visual bell
+ {(int)KS_TI, "\033|S"}, // put terminal in termcap mode
+ {(int)KS_TE, "\033|E"}, // out of termcap mode
+# ifdef TERMINFO
+ {(int)KS_CS, "\033|%i%p1%d;%p2%dr"}, // scroll region
+# else
+ {(int)KS_CS, "\033|%i%d;%dr"}, // scroll region
+# endif
+
+ {K_UP, "\316H"},
+ {K_DOWN, "\316P"},
+ {K_LEFT, "\316K"},
+ {K_RIGHT, "\316M"},
+ {K_S_UP, "\316\304"},
+ {K_S_DOWN, "\316\317"},
+ {K_S_LEFT, "\316\311"},
+ {K_C_LEFT, "\316s"},
+ {K_S_RIGHT, "\316\313"},
+ {K_C_RIGHT, "\316t"},
+ {K_S_TAB, "\316\017"},
+ {K_F1, "\316;"},
+ {K_F2, "\316<"},
+ {K_F3, "\316="},
+ {K_F4, "\316>"},
+ {K_F5, "\316?"},
+ {K_F6, "\316@"},
+ {K_F7, "\316A"},
+ {K_F8, "\316B"},
+ {K_F9, "\316C"},
+ {K_F10, "\316D"},
+ {K_F11, "\316\205"},
+ {K_F12, "\316\206"},
+ {K_S_F1, "\316T"},
+ {K_S_F2, "\316U"},
+ {K_S_F3, "\316V"},
+ {K_S_F4, "\316W"},
+ {K_S_F5, "\316X"},
+ {K_S_F6, "\316Y"},
+ {K_S_F7, "\316Z"},
+ {K_S_F8, "\316["},
+ {K_S_F9, "\316\\"},
+ {K_S_F10, "\316]"},
+ {K_S_F11, "\316\207"},
+ {K_S_F12, "\316\210"},
+ {K_INS, "\316R"},
+ {K_DEL, "\316S"},
+ {K_HOME, "\316G"},
+ {K_S_HOME, "\316\302"},
+ {K_C_HOME, "\316w"},
+ {K_END, "\316O"},
+ {K_S_END, "\316\315"},
+ {K_C_END, "\316u"},
+ {K_PAGEDOWN, "\316Q"},
+ {K_PAGEUP, "\316I"},
+ {K_KPLUS, "\316N"},
+ {K_KMINUS, "\316J"},
+ {K_KMULTIPLY, "\316\067"},
+ {K_K0, "\316\332"},
+ {K_K1, "\316\336"},
+ {K_K2, "\316\342"},
+ {K_K3, "\316\346"},
+ {K_K4, "\316\352"},
+ {K_K5, "\316\356"},
+ {K_K6, "\316\362"},
+ {K_K7, "\316\366"},
+ {K_K8, "\316\372"},
+ {K_K9, "\316\376"},
+ {K_BS, "\316x"},
+ {K_S_BS, "\316y"},
+
+ {(int)KS_NAME, NULL} // end marker
+};
+
+#if defined(FEAT_GUI)
+/*
+ * GUI uses made-up codes, only used inside Vim.
+ */
+static tcap_entry_T builtin_gui[] = {
+ {(int)KS_CE, "\033|$"},
+ {(int)KS_AL, "\033|i"},
+# ifdef TERMINFO
+ {(int)KS_CAL, "\033|%p1%dI"},
+# else
+ {(int)KS_CAL, "\033|%dI"},
+# endif
+ {(int)KS_DL, "\033|d"},
+# ifdef TERMINFO
+ {(int)KS_CDL, "\033|%p1%dD"},
+ {(int)KS_CS, "\033|%p1%d;%p2%dR"},
+ {(int)KS_CSV, "\033|%p1%d;%p2%dV"},
+# else
+ {(int)KS_CDL, "\033|%dD"},
+ {(int)KS_CS, "\033|%d;%dR"},
+ {(int)KS_CSV, "\033|%d;%dV"},
+# endif
+ {(int)KS_CL, "\033|C"},
+ // attributes switched on with 'h', off with * 'H'
+ {(int)KS_ME, "\033|31H"}, // HL_ALL
+ {(int)KS_MR, "\033|1h"}, // HL_INVERSE
+ {(int)KS_MD, "\033|2h"}, // HL_BOLD
+ {(int)KS_SE, "\033|16H"}, // HL_STANDOUT
+ {(int)KS_SO, "\033|16h"}, // HL_STANDOUT
+ {(int)KS_UE, "\033|8H"}, // HL_UNDERLINE
+ {(int)KS_US, "\033|8h"}, // HL_UNDERLINE
+ {(int)KS_UCE, "\033|8C"}, // HL_UNDERCURL
+ {(int)KS_UCS, "\033|8c"}, // HL_UNDERCURL
+ {(int)KS_STE, "\033|4C"}, // HL_STRIKETHROUGH
+ {(int)KS_STS, "\033|4c"}, // HL_STRIKETHROUGH
+ {(int)KS_CZR, "\033|4H"}, // HL_ITALIC
+ {(int)KS_CZH, "\033|4h"}, // HL_ITALIC
+ {(int)KS_VB, "\033|f"},
+ {(int)KS_MS, "y"},
+ {(int)KS_UT, "y"},
+ {(int)KS_XN, "y"},
+ {(int)KS_LE, "\b"}, // cursor-left = BS
+ {(int)KS_ND, "\014"}, // cursor-right = CTRL-L
+# ifdef TERMINFO
+ {(int)KS_CM, "\033|%p1%d;%p2%dM"},
+# else
+ {(int)KS_CM, "\033|%d;%dM"},
+# endif
+ // there are no key sequences here, the GUI sequences are recognized
+ // in check_termcode()
+
+ {(int)KS_NAME, NULL} // end marker
+};
+#endif
+
+/*
+ * Amiga console window, default for Amiga.
+ */
+static tcap_entry_T builtin_amiga[] = {
+ {(int)KS_CE, "\033[K"},
+ {(int)KS_CD, "\033[J"},
+ {(int)KS_AL, "\033[L"},
+# ifdef TERMINFO
+ {(int)KS_CAL, "\033[%p1%dL"},
+# else
+ {(int)KS_CAL, "\033[%dL"},
+# endif
+ {(int)KS_DL, "\033[M"},
+# ifdef TERMINFO
+ {(int)KS_CDL, "\033[%p1%dM"},
+# else
+ {(int)KS_CDL, "\033[%dM"},
+# endif
+ {(int)KS_CL, "\014"},
+ {(int)KS_VI, "\033[0 p"},
+ {(int)KS_VE, "\033[1 p"},
+ {(int)KS_ME, "\033[0m"},
+ {(int)KS_MR, "\033[7m"},
+ {(int)KS_MD, "\033[1m"},
+ {(int)KS_SE, "\033[0m"},
+ {(int)KS_SO, "\033[33m"},
+ {(int)KS_US, "\033[4m"},
+ {(int)KS_UE, "\033[0m"},
+ {(int)KS_CZH, "\033[3m"},
+ {(int)KS_CZR, "\033[0m"},
+#if defined(__amigaos4__) || defined(__MORPHOS__) || defined(__AROS__)
+ {(int)KS_CCO, "8"}, // allow 8 colors
+# ifdef TERMINFO
+ {(int)KS_CAB, "\033[4%p1%dm"},// set background color
+ {(int)KS_CAF, "\033[3%p1%dm"},// set foreground color
+# else
+ {(int)KS_CAB, "\033[4%dm"}, // set background color
+ {(int)KS_CAF, "\033[3%dm"}, // set foreground color
+# endif
+ {(int)KS_OP, "\033[m"}, // reset colors
+#endif
+ {(int)KS_MS, "y"},
+ {(int)KS_UT, "y"}, // guessed
+ {(int)KS_LE, "\b"},
+# ifdef TERMINFO
+ {(int)KS_CM, "\033[%i%p1%d;%p2%dH"},
+# else
+ {(int)KS_CM, "\033[%i%d;%dH"},
+# endif
+#if defined(__MORPHOS__)
+ {(int)KS_SR, "\033M"},
+#endif
+# ifdef TERMINFO
+ {(int)KS_CRI, "\033[%p1%dC"},
+# else
+ {(int)KS_CRI, "\033[%dC"},
+# endif
+ {K_UP, "\233A"},
+ {K_DOWN, "\233B"},
+ {K_LEFT, "\233D"},
+ {K_RIGHT, "\233C"},
+ {K_S_UP, "\233T"},
+ {K_S_DOWN, "\233S"},
+ {K_S_LEFT, "\233 A"},
+ {K_S_RIGHT, "\233 @"},
+ {K_S_TAB, "\233Z"},
+ {K_F1, "\233\060~"},// some compilers don't dig "\2330"
+ {K_F2, "\233\061~"},
+ {K_F3, "\233\062~"},
+ {K_F4, "\233\063~"},
+ {K_F5, "\233\064~"},
+ {K_F6, "\233\065~"},
+ {K_F7, "\233\066~"},
+ {K_F8, "\233\067~"},
+ {K_F9, "\233\070~"},
+ {K_F10, "\233\071~"},
+ {K_S_F1, "\233\061\060~"},
+ {K_S_F2, "\233\061\061~"},
+ {K_S_F3, "\233\061\062~"},
+ {K_S_F4, "\233\061\063~"},
+ {K_S_F5, "\233\061\064~"},
+ {K_S_F6, "\233\061\065~"},
+ {K_S_F7, "\233\061\066~"},
+ {K_S_F8, "\233\061\067~"},
+ {K_S_F9, "\233\061\070~"},
+ {K_S_F10, "\233\061\071~"},
+ {K_HELP, "\233?~"},
+ {K_INS, "\233\064\060~"}, // 101 key keyboard
+ {K_PAGEUP, "\233\064\061~"}, // 101 key keyboard
+ {K_PAGEDOWN, "\233\064\062~"}, // 101 key keyboard
+ {K_HOME, "\233\064\064~"}, // 101 key keyboard
+ {K_END, "\233\064\065~"}, // 101 key keyboard
+
+ {BT_EXTRA_KEYS, ""},
+ {TERMCAP2KEY('#', '2'), "\233\065\064~"}, // shifted home key
+ {TERMCAP2KEY('#', '3'), "\233\065\060~"}, // shifted insert key
+ {TERMCAP2KEY('*', '7'), "\233\065\065~"}, // shifted end key
+
+ {(int)KS_NAME, NULL} // end marker
+};
+
+/*
+ * The most minimal terminal: only clear screen and cursor positioning.
+ */
+static tcap_entry_T builtin_dumb[] = {
+ {(int)KS_CL, "\014"},
+#ifdef TERMINFO
+ {(int)KS_CM, "\033[%i%p1%d;%p2%dH"},
+#else
+ {(int)KS_CM, "\033[%i%d;%dH"},
+#endif
+
+ {(int)KS_NAME, NULL} // end marker
+};
+
+/*
+ * Terminal used for debugging.
+ */
+static tcap_entry_T builtin_debug[] = {
+ {(int)KS_CE, "[CE]"},
+ {(int)KS_CD, "[CD]"},
+ {(int)KS_AL, "[AL]"},
+# ifdef TERMINFO
+ {(int)KS_CAL, "[CAL%p1%d]"},
+# else
+ {(int)KS_CAL, "[CAL%d]"},
+# endif
+ {(int)KS_DL, "[DL]"},
+# ifdef TERMINFO
+ {(int)KS_CDL, "[CDL%p1%d]"},
+# else
+ {(int)KS_CDL, "[CDL%d]"},
+# endif
+# ifdef TERMINFO
+ {(int)KS_CS, "[%p1%dCS%p2%d]"},
+# else
+ {(int)KS_CS, "[%dCS%d]"},
+# endif
+# ifdef TERMINFO
+ {(int)KS_CSV, "[%p1%dCSV%p2%d]"},
+# else
+ {(int)KS_CSV, "[%dCSV%d]"},
+# endif
+# ifdef TERMINFO
+ {(int)KS_CAB, "[CAB%p1%d]"},
+ {(int)KS_CAF, "[CAF%p1%d]"},
+ {(int)KS_CSB, "[CSB%p1%d]"},
+ {(int)KS_CSF, "[CSF%p1%d]"},
+# else
+ {(int)KS_CAB, "[CAB%d]"},
+ {(int)KS_CAF, "[CAF%d]"},
+ {(int)KS_CSB, "[CSB%d]"},
+ {(int)KS_CSF, "[CSF%d]"},
+# endif
+ {(int)KS_CAU, "[CAU%d]"},
+ {(int)KS_OP, "[OP]"},
+ {(int)KS_LE, "[LE]"},
+ {(int)KS_CL, "[CL]"},
+ {(int)KS_VI, "[VI]"},
+ {(int)KS_VE, "[VE]"},
+ {(int)KS_VS, "[VS]"},
+ {(int)KS_ME, "[ME]"},
+ {(int)KS_MR, "[MR]"},
+ {(int)KS_MB, "[MB]"},
+ {(int)KS_MD, "[MD]"},
+ {(int)KS_SE, "[SE]"},
+ {(int)KS_SO, "[SO]"},
+ {(int)KS_UE, "[UE]"},
+ {(int)KS_US, "[US]"},
+ {(int)KS_UCE, "[UCE]"},
+ {(int)KS_UCS, "[UCS]"},
+ {(int)KS_USS, "[USS]"},
+ {(int)KS_DS, "[DS]"},
+ {(int)KS_CDS, "[CDS]"},
+ {(int)KS_STE, "[STE]"},
+ {(int)KS_STS, "[STS]"},
+ {(int)KS_MS, "[MS]"},
+ {(int)KS_UT, "[UT]"},
+ {(int)KS_XN, "[XN]"},
+# ifdef TERMINFO
+ {(int)KS_CM, "[%p1%dCM%p2%d]"},
+# else
+ {(int)KS_CM, "[%dCM%d]"},
+# endif
+ {(int)KS_SR, "[SR]"},
+# ifdef TERMINFO
+ {(int)KS_CRI, "[CRI%p1%d]"},
+# else
+ {(int)KS_CRI, "[CRI%d]"},
+# endif
+ {(int)KS_VB, "[VB]"},
+ {(int)KS_KS, "[KS]"},
+ {(int)KS_KE, "[KE]"},
+ {(int)KS_TI, "[TI]"},
+ {(int)KS_TE, "[TE]"},
+ {(int)KS_CIS, "[CIS]"},
+ {(int)KS_CIE, "[CIE]"},
+ {(int)KS_CSC, "[CSC]"},
+ {(int)KS_CEC, "[CEC]"},
+ {(int)KS_TS, "[TS]"},
+ {(int)KS_FS, "[FS]"},
+# ifdef TERMINFO
+ {(int)KS_CWS, "[%p1%dCWS%p2%d]"},
+ {(int)KS_CWP, "[%p1%dCWP%p2%d]"},
+# else
+ {(int)KS_CWS, "[%dCWS%d]"},
+ {(int)KS_CWP, "[%dCWP%d]"},
+# endif
+ {(int)KS_CRV, "[CRV]"},
+ {(int)KS_CXM, "[CXM]"},
+ {(int)KS_U7, "[U7]"},
+ {(int)KS_RFG, "[RFG]"},
+ {(int)KS_RBG, "[RBG]"},
+ {K_UP, "[KU]"},
+ {K_DOWN, "[KD]"},
+ {K_LEFT, "[KL]"},
+ {K_RIGHT, "[KR]"},
+ {K_XUP, "[xKU]"},
+ {K_XDOWN, "[xKD]"},
+ {K_XLEFT, "[xKL]"},
+ {K_XRIGHT, "[xKR]"},
+ {K_S_UP, "[S-KU]"},
+ {K_S_DOWN, "[S-KD]"},
+ {K_S_LEFT, "[S-KL]"},
+ {K_C_LEFT, "[C-KL]"},
+ {K_S_RIGHT, "[S-KR]"},
+ {K_C_RIGHT, "[C-KR]"},
+ {K_F1, "[F1]"},
+ {K_XF1, "[xF1]"},
+ {K_F2, "[F2]"},
+ {K_XF2, "[xF2]"},
+ {K_F3, "[F3]"},
+ {K_XF3, "[xF3]"},
+ {K_F4, "[F4]"},
+ {K_XF4, "[xF4]"},
+ {K_F5, "[F5]"},
+ {K_F6, "[F6]"},
+ {K_F7, "[F7]"},
+ {K_F8, "[F8]"},
+ {K_F9, "[F9]"},
+ {K_F10, "[F10]"},
+ {K_F11, "[F11]"},
+ {K_F12, "[F12]"},
+ {K_S_F1, "[S-F1]"},
+ {K_S_XF1, "[S-xF1]"},
+ {K_S_F2, "[S-F2]"},
+ {K_S_XF2, "[S-xF2]"},
+ {K_S_F3, "[S-F3]"},
+ {K_S_XF3, "[S-xF3]"},
+ {K_S_F4, "[S-F4]"},
+ {K_S_XF4, "[S-xF4]"},
+ {K_S_F5, "[S-F5]"},
+ {K_S_F6, "[S-F6]"},
+ {K_S_F7, "[S-F7]"},
+ {K_S_F8, "[S-F8]"},
+ {K_S_F9, "[S-F9]"},
+ {K_S_F10, "[S-F10]"},
+ {K_S_F11, "[S-F11]"},
+ {K_S_F12, "[S-F12]"},
+ {K_HELP, "[HELP]"},
+ {K_UNDO, "[UNDO]"},
+ {K_BS, "[BS]"},
+ {K_INS, "[INS]"},
+ {K_KINS, "[KINS]"},
+ {K_DEL, "[DEL]"},
+ {K_KDEL, "[KDEL]"},
+ {K_HOME, "[HOME]"},
+ {K_S_HOME, "[C-HOME]"},
+ {K_C_HOME, "[C-HOME]"},
+ {K_KHOME, "[KHOME]"},
+ {K_XHOME, "[XHOME]"},
+ {K_ZHOME, "[ZHOME]"},
+ {K_END, "[END]"},
+ {K_S_END, "[C-END]"},
+ {K_C_END, "[C-END]"},
+ {K_KEND, "[KEND]"},
+ {K_XEND, "[XEND]"},
+ {K_ZEND, "[ZEND]"},
+ {K_PAGEUP, "[PAGEUP]"},
+ {K_PAGEDOWN, "[PAGEDOWN]"},
+ {K_KPAGEUP, "[KPAGEUP]"},
+ {K_KPAGEDOWN, "[KPAGEDOWN]"},
+ {K_MOUSE, "[MOUSE]"},
+ {K_KPLUS, "[KPLUS]"},
+ {K_KMINUS, "[KMINUS]"},
+ {K_KDIVIDE, "[KDIVIDE]"},
+ {K_KMULTIPLY, "[KMULTIPLY]"},
+ {K_KENTER, "[KENTER]"},
+ {K_KPOINT, "[KPOINT]"},
+ {K_PS, "[PASTE-START]"},
+ {K_PE, "[PASTE-END]"},
+ {K_K0, "[K0]"},
+ {K_K1, "[K1]"},
+ {K_K2, "[K2]"},
+ {K_K3, "[K3]"},
+ {K_K4, "[K4]"},
+ {K_K5, "[K5]"},
+ {K_K6, "[K6]"},
+ {K_K7, "[K7]"},
+ {K_K8, "[K8]"},
+ {K_K9, "[K9]"},
+
+ {(int)KS_NAME, NULL} // end marker
+};
+
+/*
+ * List of builtin terminals.
+ */
+typedef struct {
+ char *bitc_name; // name, such as "xterm"
+ tcap_entry_T *bitc_table; // table with entries for bitc_name
+} builtin_tcap_T;
+
+builtin_tcap_T builtin_terminals[] = {
+ // Unix and Generic
+ {"ansi", builtin_ansi},
+ {"vt320", builtin_vt320},
+ {"vt52", builtin_vt52},
+ {"xterm", builtin_xterm},
+ {"iris-ansi", builtin_iris_ansi},
+
+ // MS-Windows
+ {"pcansi", builtin_pcansi},
+ {"win32", builtin_win32},
+
+ // Other systems
+#if defined(FEAT_GUI)
+ {"gui", builtin_gui},
+#endif
+ {"amiga", builtin_amiga},
+ {"dumb", builtin_dumb},
+ {"debug", builtin_debug},
+
+ {NULL, NULL}, // end marker
+};
+
+#if defined(FEAT_TERMGUICOLORS) || defined(PROTO)
+ static guicolor_T
+termgui_mch_get_color(char_u *name)
+{
+ return gui_get_color_cmn(name);
+}
+
+ guicolor_T
+termgui_get_color(char_u *name)
+{
+ guicolor_T t;
+
+ if (*name == NUL)
+ return INVALCOLOR;
+ t = termgui_mch_get_color(name);
+
+ if (t == INVALCOLOR)
+ semsg(_(e_cannot_allocate_color_str), name);
+ return t;
+}
+
+ guicolor_T
+termgui_mch_get_rgb(guicolor_T color)
+{
+ return color;
+}
+#endif
+
+/*
+ * DEFAULT_TERM is used, when no terminal is specified with -T option or $TERM.
+ */
+#ifdef AMIGA
+# define DEFAULT_TERM (char_u *)"amiga"
+#endif
+
+#ifdef MSWIN
+# define DEFAULT_TERM (char_u *)"win32"
+#endif
+
+#if defined(UNIX)
+# define DEFAULT_TERM (char_u *)"ansi"
+#endif
+
+#ifdef VMS
+# define DEFAULT_TERM (char_u *)"vt320"
+#endif
+
+#ifdef __HAIKU__
+# undef DEFAULT_TERM
+# define DEFAULT_TERM (char_u *)"xterm"
+#endif
+
+#ifndef DEFAULT_TERM
+# define DEFAULT_TERM (char_u *)"dumb"
+#endif
+
+/*
+ * Term_strings contains currently used terminal output strings.
+ * It is initialized with the default values by parse_builtin_tcap().
+ * The values can be changed by setting the option with the same name.
+ */
+char_u *(term_strings[(int)KS_LAST + 1]);
+
+static int need_gather = FALSE; // need to fill termleader[]
+static char_u termleader[256 + 1]; // for check_termcode()
+#ifdef FEAT_TERMRESPONSE
+static int check_for_codes = FALSE; // check for key code response
+#endif
+
+/*
+ * Structure and table to store terminal features that can be detected by
+ * querying the terminal. Either by inspecting the termresponse or a more
+ * specific request. Besides this there are:
+ * t_colors - number of colors supported
+ */
+typedef struct {
+ char *tpr_name;
+ int tpr_set_by_termresponse;
+ int tpr_status;
+} termprop_T;
+
+// Values for tpr_status.
+#define TPR_UNKNOWN 'u'
+#define TPR_YES 'y'
+#define TPR_NO 'n'
+#define TPR_MOUSE_XTERM 'x' // use "xterm" for 'ttymouse'
+#define TPR_MOUSE_XTERM2 '2' // use "xterm2" for 'ttymouse'
+#define TPR_MOUSE_SGR 's' // use "sgr" for 'ttymouse'
+
+// can request the cursor style without messing up the display
+#define TPR_CURSOR_STYLE 0
+// can request the cursor blink mode without messing up the display
+#define TPR_CURSOR_BLINK 1
+// can set the underline color with t_8u without resetting other colors
+#define TPR_UNDERLINE_RGB 2
+// mouse support - TPR_MOUSE_XTERM, TPR_MOUSE_XTERM2 or TPR_MOUSE_SGR
+#define TPR_MOUSE 3
+// term response indicates kitty
+#define TPR_KITTY 4
+// table size
+#define TPR_COUNT 5
+
+static termprop_T term_props[TPR_COUNT];
+
+/*
+ * Initialize the term_props table.
+ * When "all" is FALSE only set those that are detected from the version
+ * response.
+ */
+ void
+init_term_props(int all)
+{
+ int i;
+
+ term_props[TPR_CURSOR_STYLE].tpr_name = "cursor_style";
+ term_props[TPR_CURSOR_STYLE].tpr_set_by_termresponse = FALSE;
+ term_props[TPR_CURSOR_BLINK].tpr_name = "cursor_blink_mode";
+ term_props[TPR_CURSOR_BLINK].tpr_set_by_termresponse = FALSE;
+ term_props[TPR_UNDERLINE_RGB].tpr_name = "underline_rgb";
+ term_props[TPR_UNDERLINE_RGB].tpr_set_by_termresponse = TRUE;
+ term_props[TPR_MOUSE].tpr_name = "mouse";
+ term_props[TPR_MOUSE].tpr_set_by_termresponse = TRUE;
+ term_props[TPR_KITTY].tpr_name = "kitty";
+ term_props[TPR_KITTY].tpr_set_by_termresponse = FALSE;
+
+ for (i = 0; i < TPR_COUNT; ++i)
+ if (all || term_props[i].tpr_set_by_termresponse)
+ term_props[i].tpr_status = TPR_UNKNOWN;
+}
+
+#if defined(FEAT_EVAL) || defined(PROTO)
+ void
+f_terminalprops(typval_T *argvars UNUSED, typval_T *rettv)
+{
+# ifdef FEAT_TERMRESPONSE
+ int i;
+# endif
+
+ if (rettv_dict_alloc(rettv) == FAIL)
+ return;
+# ifdef FEAT_TERMRESPONSE
+ for (i = 0; i < TPR_COUNT; ++i)
+ {
+ char_u value[2];
+
+ value[0] = term_props[i].tpr_status;
+ value[1] = NUL;
+ dict_add_string(rettv->vval.v_dict, term_props[i].tpr_name, value);
+ }
+# endif
+}
+#endif
+
+/*
+ * Find the builtin termcap entries for "term".
+ * This also recognizes similar names. E.g. "xterm-256color" finds the "xterm"
+ * entry.
+ * Returns NULL when "term" is not found.
+ */
+ static tcap_entry_T *
+find_builtin_term(char_u *term)
+{
+ for (int i = 0; ; ++i)
+ {
+ char_u *name = (char_u *)builtin_terminals[i].bitc_name;
+ if (name == NULL) // end marker
+ break;
+#ifdef UNIX
+ if (STRCMP(name, "iris-ansi") == 0 && vim_is_iris(term))
+ return builtin_terminals[i].bitc_table;
+ if (STRCMP(name, "xterm") == 0 && vim_is_xterm(term))
+ return builtin_terminals[i].bitc_table;
+#endif
+#ifdef VMS
+ if (STRCMP(name, "vt320") == 0 && vim_is_vt300(term))
+ return builtin_terminals[i].bitc_table;
+#endif
+ if (STRCMP(term, name) == 0)
+ return builtin_terminals[i].bitc_table;
+ }
+ return NULL;
+}
+
+/*
+ * Apply entries from a builtin termcap.
+ */
+ static void
+apply_builtin_tcap(char_u *term, tcap_entry_T *entries, int overwrite)
+{
+ int term_8bit = term_is_8bit(term);
+
+ for (tcap_entry_T *p = entries;
+ p->bt_entry != (int)KS_NAME && p->bt_entry != BT_EXTRA_KEYS; ++p)
+ {
+ if ((int)p->bt_entry >= 0) // KS_xx entry
+ {
+ // Only set the value if it wasn't set yet or "overwrite" is TRUE.
+ if (term_strings[p->bt_entry] == NULL
+ || term_strings[p->bt_entry] == empty_option
+ || overwrite)
+ {
+#ifdef FEAT_EVAL
+ int opt_idx = -1;
+#endif
+ // 8bit terminal: use CSI instead of <Esc>[
+ if (term_8bit && term_7to8bit((char_u *)p->bt_string) != 0)
+ {
+ char_u *s, *t;
+
+ s = vim_strsave((char_u *)p->bt_string);
+ if (s != NULL)
+ {
+ for (t = s; *t; ++t)
+ if (term_7to8bit(t))
+ {
+ *t = term_7to8bit(t);
+ STRMOVE(t + 1, t + 2);
+ }
+ term_strings[p->bt_entry] = s;
+#ifdef FEAT_EVAL
+ opt_idx =
+#endif
+ set_term_option_alloced(
+ &term_strings[p->bt_entry]);
+ }
+ }
+ else
+ {
+ term_strings[p->bt_entry] = (char_u *)p->bt_string;
+#ifdef FEAT_EVAL
+ opt_idx = get_term_opt_idx(&term_strings[p->bt_entry]);
+#endif
+ }
+#ifdef FEAT_EVAL
+ set_term_option_sctx_idx(NULL, opt_idx);
+#endif
+ }
+ }
+ else
+ {
+ char_u name[2];
+ name[0] = KEY2TERMCAP0((int)p->bt_entry);
+ name[1] = KEY2TERMCAP1((int)p->bt_entry);
+ if (find_termcode(name) == NULL || overwrite)
+ add_termcode(name, (char_u *)p->bt_string, term_8bit);
+ }
+ }
+}
+
+/*
+ * Parsing of the builtin termcap entries.
+ * Caller should check if "term" is a valid builtin terminal name.
+ * The terminal's name is not set, as this is already done in termcapinit().
+ */
+ static void
+parse_builtin_tcap(char_u *term)
+{
+ tcap_entry_T *entries = find_builtin_term(term);
+ if (entries != NULL)
+ apply_builtin_tcap(term, entries, FALSE);
+}
+
+/*
+ * Set number of colors.
+ * Store it as a number in t_colors.
+ * Store it as a string in T_CCO (using nr_colors[]).
+ */
+ void
+set_color_count(int nr)
+{
+ char_u nr_colors[20]; // string for number of colors
+
+ t_colors = nr;
+ if (t_colors > 1)
+ sprintf((char *)nr_colors, "%d", t_colors);
+ else
+ *nr_colors = NUL;
+ set_string_option_direct((char_u *)"t_Co", -1, nr_colors, OPT_FREE, 0);
+}
+
+/*
+ * Set the color count to "val" and redraw if it changed.
+ */
+ static void
+may_adjust_color_count(int val)
+{
+ if (val == t_colors)
+ return;
+
+ // Nr of colors changed, initialize highlighting and redraw everything.
+ // This causes a redraw, which usually clears the message. Try keeping
+ // the message if it might work.
+ set_keep_msg_from_hist();
+ set_color_count(val);
+ init_highlight(TRUE, FALSE);
+#ifdef DEBUG_TERMRESPONSE
+ {
+ int r = redraw_asap(UPD_CLEAR);
+
+ log_tr("Received t_Co, redraw_asap(): %d", r);
+ }
+#else
+ redraw_asap(UPD_CLEAR);
+#endif
+}
+
+#ifdef HAVE_TGETENT
+static char *(key_names[]) =
+{
+# ifdef FEAT_TERMRESPONSE
+ // Do this one first, it may cause a screen redraw.
+ "Co",
+# endif
+ "ku", "kd", "kr", "kl",
+ "#2", "#4", "%i", "*7",
+ "k1", "k2", "k3", "k4", "k5", "k6",
+ "k7", "k8", "k9", "k;", "F1", "F2",
+ "%1", "&8", "kb", "kI", "kD", "kh",
+ "@7", "kP", "kN", "K1", "K3", "K4", "K5", "kB",
+ "PS", "PE",
+ NULL
+};
+#endif
+
+#if defined(HAVE_TGETENT) || defined(FEAT_TERMGUICOLORS)
+/*
+ * Return TRUE if "term_strings[idx]" was not set.
+ */
+ static int
+term_strings_not_set(enum SpecialKey idx)
+{
+ return TERM_STR(idx) == NULL || TERM_STR(idx) == empty_option;
+}
+#endif
+
+#ifdef HAVE_TGETENT
+/*
+ * Get the termcap entries we need with tgetstr(), tgetflag() and tgetnum().
+ * "invoke_tgetent()" must have been called before.
+ * If "*height" or "*width" are not zero then use the "li" and "col" entries to
+ * get their value.
+ */
+ static void
+get_term_entries(int *height, int *width)
+{
+ static struct {
+ enum SpecialKey dest; // index in term_strings[]
+ char *name; // termcap name for string
+ } string_names[] =
+ { {KS_CE, "ce"}, {KS_AL, "al"}, {KS_CAL,"AL"},
+ {KS_DL, "dl"}, {KS_CDL,"DL"}, {KS_CS, "cs"},
+ {KS_CL, "cl"}, {KS_CD, "cd"},
+ {KS_VI, "vi"}, {KS_VE, "ve"}, {KS_MB, "mb"},
+ {KS_ME, "me"}, {KS_MR, "mr"},
+ {KS_MD, "md"}, {KS_SE, "se"}, {KS_SO, "so"},
+ {KS_CZH,"ZH"}, {KS_CZR,"ZR"}, {KS_UE, "ue"},
+ {KS_US, "us"}, {KS_UCE, "Ce"}, {KS_UCS, "Cs"},
+ {KS_USS, "Us"}, {KS_DS, "ds"}, {KS_CDS, "Ds"},
+ {KS_STE,"Te"}, {KS_STS,"Ts"},
+ {KS_CM, "cm"}, {KS_SR, "sr"},
+ {KS_CRI,"RI"}, {KS_VB, "vb"}, {KS_KS, "ks"},
+ {KS_KE, "ke"}, {KS_TI, "ti"}, {KS_TE, "te"},
+ {KS_CTI, "TI"}, {KS_CRK, "RK"}, {KS_CTE, "TE"},
+ {KS_BC, "bc"}, {KS_CSB,"Sb"}, {KS_CSF,"Sf"},
+ {KS_CAB,"AB"}, {KS_CAF,"AF"}, {KS_CAU,"AU"},
+ {KS_LE, "le"},
+ {KS_ND, "nd"}, {KS_OP, "op"},
+ {KS_CRV, "RV"}, {KS_CXM, "XM"},
+ {KS_VS, "vs"}, {KS_CVS, "VS"},
+ {KS_CIS, "IS"}, {KS_CIE, "IE"},
+ {KS_CSC, "SC"}, {KS_CEC, "EC"},
+ {KS_TS, "ts"}, {KS_FS, "fs"},
+ {KS_CWP, "WP"}, {KS_CWS, "WS"},
+ {KS_CSI, "SI"}, {KS_CEI, "EI"},
+ {KS_U7, "u7"}, {KS_RFG, "RF"}, {KS_RBG, "RB"},
+ {KS_8F, "8f"}, {KS_8B, "8b"}, {KS_8U, "8u"},
+ {KS_CBE, "BE"}, {KS_CBD, "BD"},
+ {KS_CST, "ST"}, {KS_CRT, "RT"},
+ {KS_SSI, "Si"}, {KS_SRI, "Ri"},
+ {(enum SpecialKey)0, NULL}
+ };
+ int i;
+ static char_u tstrbuf[TBUFSZ];
+ char_u *tp = tstrbuf;
+
+ /*
+ * get output strings
+ */
+ for (i = 0; string_names[i].name != NULL; ++i)
+ {
+ if (term_strings_not_set(string_names[i].dest))
+ {
+ TERM_STR(string_names[i].dest) = TGETSTR(string_names[i].name, &tp);
+#ifdef FEAT_EVAL
+ set_term_option_sctx_idx(string_names[i].name, -1);
+#endif
+ }
+ }
+
+ // tgetflag() returns 1 if the flag is present, 0 if not and
+ // possibly -1 if the flag doesn't exist.
+ if ((T_MS == NULL || T_MS == empty_option) && tgetflag("ms") > 0)
+ T_MS = (char_u *)"y";
+ if ((T_XS == NULL || T_XS == empty_option) && tgetflag("xs") > 0)
+ T_XS = (char_u *)"y";
+ if ((T_XN == NULL || T_XN == empty_option) && tgetflag("xn") > 0)
+ T_XN = (char_u *)"y";
+ if ((T_DB == NULL || T_DB == empty_option) && tgetflag("db") > 0)
+ T_DB = (char_u *)"y";
+ if ((T_DA == NULL || T_DA == empty_option) && tgetflag("da") > 0)
+ T_DA = (char_u *)"y";
+ if ((T_UT == NULL || T_UT == empty_option) && tgetflag("ut") > 0)
+ T_UT = (char_u *)"y";
+
+ /*
+ * get key codes
+ */
+ for (i = 0; key_names[i] != NULL; ++i)
+ if (find_termcode((char_u *)key_names[i]) == NULL)
+ {
+ char_u *p = TGETSTR(key_names[i], &tp);
+
+ // if cursor-left == backspace, ignore it (televideo 925)
+ if (p != NULL
+ && (*p != Ctrl_H
+ || key_names[i][0] != 'k'
+ || key_names[i][1] != 'l'))
+ add_termcode((char_u *)key_names[i], p, FALSE);
+ }
+
+ if (*height == 0)
+ *height = tgetnum("li");
+ if (*width == 0)
+ *width = tgetnum("co");
+
+ /*
+ * Get number of colors (if not done already).
+ */
+ if (term_strings_not_set(KS_CCO))
+ {
+ set_color_count(tgetnum("Co"));
+#ifdef FEAT_EVAL
+ set_term_option_sctx_idx("Co", -1);
+#endif
+ }
+
+# ifndef hpux
+ BC = (char *)TGETSTR("bc", &tp);
+ UP = (char *)TGETSTR("up", &tp);
+ char_u *p = TGETSTR("pc", &tp);
+ if (p != NULL)
+ PC = *p;
+# endif
+}
+#endif
+
+/*
+ * Report "term" is not found and list the ones we do know about.
+ */
+ static void
+report_term_error(char *error_msg, char_u *term)
+{
+ mch_errmsg("\r\n");
+ if (error_msg != NULL)
+ {
+ mch_errmsg(error_msg);
+ mch_errmsg("\r\n");
+ }
+ mch_errmsg("'");
+ mch_errmsg((char *)term);
+ mch_errmsg(_("' not known. Available builtin terminals are:"));
+ mch_errmsg("\r\n");
+
+ for (int i = 0; ; ++i)
+ {
+ char *name = builtin_terminals[i].bitc_name;
+ if (name == NULL) // end marker
+ break;
+ // Do not mention the "gui" entry, the user won't need to type it.
+ if (STRCMP(name, "gui") != 0)
+ {
+#ifdef HAVE_TGETENT
+ mch_errmsg(" builtin_");
+#else
+ mch_errmsg(" ");
+#endif
+ mch_errmsg(name);
+ mch_errmsg("\r\n");
+ }
+ }
+ // Output extra 'cmdheight' line breaks to avoid that the following error
+ // message overwrites the last terminal name.
+ for (int i = 1; i < p_ch; ++i)
+ mch_errmsg("\r\n");
+}
+
+ static void
+report_default_term(char_u *term)
+{
+ mch_errmsg(_("defaulting to '"));
+ mch_errmsg((char *)term);
+ mch_errmsg("'\r\n");
+ if (emsg_silent == 0 && !in_assert_fails)
+ {
+ screen_start(); // don't know where cursor is now
+ out_flush();
+ if (!is_not_a_term())
+ ui_delay(2007L, TRUE);
+ }
+}
+
+/*
+ * Parse the 'keyprotocol' option, match against "term" and return the protocol
+ * for the first matching entry.
+ * When "term" is NULL then compile all patterns to check for any errors.
+ * Returns KEYPROTOCOL_FAIL if a pattern cannot be compiled.
+ * Returns KEYPROTOCOL_NONE if there is no match.
+ */
+ keyprot_T
+match_keyprotocol(char_u *term)
+{
+ int len = (int)STRLEN(p_kpc) + 1;
+ char_u *buf = alloc(len);
+ if (buf == NULL)
+ return KEYPROTOCOL_FAIL;
+
+ keyprot_T ret = KEYPROTOCOL_FAIL;
+ char_u *p = p_kpc;
+ while (*p != NUL)
+ {
+ // Isolate one comma separated item.
+ (void)copy_option_part(&p, buf, len, ",");
+ char_u *colon = vim_strchr(buf, ':');
+ if (colon == NULL || colon == buf || colon[1] == NUL)
+ goto theend;
+ *colon = NUL;
+
+ keyprot_T prot;
+ if (STRCMP(colon + 1, "none") == 0)
+ prot = KEYPROTOCOL_NONE;
+ else if (STRCMP(colon + 1, "mok2") == 0)
+ prot = KEYPROTOCOL_MOK2;
+ else if (STRCMP(colon + 1, "kitty") == 0)
+ prot = KEYPROTOCOL_KITTY;
+ else
+ goto theend;
+
+ regmatch_T regmatch;
+ CLEAR_FIELD(regmatch);
+ regmatch.rm_ic = TRUE;
+ regmatch.regprog = vim_regcomp(buf, RE_MAGIC);
+ if (regmatch.regprog == NULL)
+ goto theend;
+
+ int match = term != NULL && vim_regexec(&regmatch, term, (colnr_T)0);
+ vim_regfree(regmatch.regprog);
+ if (match)
+ {
+ ret = prot;
+ goto theend;
+ }
+
+ }
+
+ // No match found, use "none".
+ ret = KEYPROTOCOL_NONE;
+
+theend:
+ vim_free(buf);
+ return ret;
+}
+
+/*
+ * Set terminal options for terminal "term".
+ * Return OK if terminal 'term' was found in a termcap, FAIL otherwise.
+ *
+ * While doing this, until ttest(), some options may be NULL, be careful.
+ */
+ int
+set_termname(char_u *term)
+{
+#ifdef HAVE_TGETENT
+ int builtin_first = p_tbi;
+ int try;
+ int termcap_cleared = FALSE;
+#endif
+ int width = 0, height = 0;
+ char *error_msg = NULL;
+ char_u *bs_p, *del_p;
+
+ // In silect mode (ex -s) we don't use the 'term' option.
+ if (silent_mode)
+ return OK;
+
+ detected_8bit = FALSE; // reset 8-bit detection
+
+ if (term_is_builtin(term))
+ {
+ term += 8;
+#ifdef HAVE_TGETENT
+ builtin_first = 1;
+#endif
+ }
+
+/*
+ * If HAVE_TGETENT is not defined, only the builtin termcap is used, otherwise:
+ * If builtin_first is TRUE:
+ * 0. try builtin termcap
+ * 1. try external termcap
+ * 2. if both fail default to a builtin terminal
+ * If builtin_first is FALSE:
+ * 1. try external termcap
+ * 2. try builtin termcap, if both fail default to a builtin terminal
+ */
+#ifdef HAVE_TGETENT
+ for (try = builtin_first ? 0 : 1; try < 3; ++try)
+ {
+ /*
+ * Use external termcap
+ */
+ if (try == 1)
+ {
+ char_u tbuf[TBUFSZ];
+
+ /*
+ * If the external termcap does not have a matching entry, try the
+ * builtin ones.
+ */
+ if ((error_msg = invoke_tgetent(tbuf, term)) == NULL)
+ {
+ if (!termcap_cleared)
+ {
+ clear_termoptions(); // clear old options
+ termcap_cleared = TRUE;
+ }
+
+ get_term_entries(&height, &width);
+ }
+ }
+ else // try == 0 || try == 2
+#endif // HAVE_TGETENT
+ /*
+ * Use builtin termcap
+ */
+ {
+#ifdef HAVE_TGETENT
+ /*
+ * If builtin termcap was already used, there is no need to search
+ * for the builtin termcap again, quit now.
+ */
+ if (try == 2 && builtin_first && termcap_cleared)
+ break;
+#endif
+ /*
+ * Search for 'term' in builtin_terminals[].
+ */
+ tcap_entry_T *termp = find_builtin_term(term);
+ if (termp == NULL) // did not find it
+ {
+#ifdef HAVE_TGETENT
+ /*
+ * If try == 0, first try the external termcap. If that is not
+ * found we'll get back here with try == 2.
+ * If termcap_cleared is set we used the external termcap,
+ * don't complain about not finding the term in the builtin
+ * termcap.
+ */
+ if (try == 0) // try external one
+ continue;
+ if (termcap_cleared) // found in external termcap
+ break;
+#endif
+ report_term_error(error_msg, term);
+
+ // when user typed :set term=xxx, quit here
+ if (starting != NO_SCREEN)
+ {
+ screen_start(); // don't know where cursor is now
+ wait_return(TRUE);
+ return FAIL;
+ }
+ term = DEFAULT_TERM;
+ report_default_term(term);
+ set_string_option_direct((char_u *)"term", -1, term,
+ OPT_FREE, 0);
+ display_errors();
+ }
+ out_flush();
+#ifdef HAVE_TGETENT
+ if (!termcap_cleared)
+ {
+#endif
+ clear_termoptions(); // clear old options
+#ifdef HAVE_TGETENT
+ termcap_cleared = TRUE;
+ }
+#endif
+ parse_builtin_tcap(term);
+
+#ifdef FEAT_GUI
+ if (term_is_gui(term))
+ {
+ out_flush();
+ gui_init();
+ // If starting the GUI failed, don't do any of the other
+ // things for this terminal
+ if (!gui.in_use)
+ return FAIL;
+# ifdef HAVE_TGETENT
+ break; // don't try using external termcap
+# endif
+ }
+#endif // FEAT_GUI
+ }
+#ifdef HAVE_TGETENT
+ }
+#endif
+
+#ifdef FEAT_GUI
+ if (!gui.in_use)
+#endif
+ {
+ // Use the 'keyprotocol' option to adjust the t_TE and t_TI
+ // termcap entries if there is an entry matching "term".
+ keyprot_T kpc = match_keyprotocol(term);
+ if (kpc == KEYPROTOCOL_KITTY)
+ apply_builtin_tcap(term, builtin_kitty, TRUE);
+ else if (kpc == KEYPROTOCOL_MOK2)
+ apply_builtin_tcap(term, builtin_mok2, TRUE);
+
+#ifdef FEAT_TERMGUICOLORS
+ // There is no good way to detect that the terminal supports RGB
+ // colors. Since these termcap entries are non-standard anyway and
+ // only used when the user sets 'termguicolors' we might as well add
+ // them. But not when one of them was already set.
+ if (term_strings_not_set(KS_8F)
+ && term_strings_not_set(KS_8B)
+ && term_strings_not_set(KS_8U))
+ apply_builtin_tcap(term, builtin_rgb, TRUE);
+#endif
+
+ if (kpc != KEYPROTOCOL_NONE)
+ // Some function keys may accept modifiers even though the
+ // terminfo/termcap entry does not indicate this.
+ accept_modifiers_for_function_keys();
+ }
+
+/*
+ * special: There is no info in the termcap about whether the cursor
+ * positioning is relative to the start of the screen or to the start of the
+ * scrolling region. We just guess here. Only msdos pcterm is known to do it
+ * relative.
+ */
+ if (STRCMP(term, "pcterm") == 0)
+ T_CCS = (char_u *)"yes";
+ else
+ T_CCS = empty_option;
+
+ // Special case: "kitty" may not have a "RV" entry in terminfo, but we need
+ // to request the version for several other things to work.
+ if (strstr((char *)term, "kitty") != NULL
+ && (T_CRV == NULL || *T_CRV == NUL))
+ T_CRV = (char_u *)"\033[>c";
+
+#ifdef UNIX
+/*
+ * Any "stty" settings override the default for t_kb from the termcap.
+ * This is in os_unix.c, because it depends a lot on the version of unix that
+ * is being used.
+ * Don't do this when the GUI is active, it uses "t_kb" and "t_kD" directly.
+ */
+# ifdef FEAT_GUI
+ if (!gui.in_use)
+# endif
+ get_stty();
+#endif
+
+/*
+ * If the termcap has no entry for 'bs' and/or 'del' and the ioctl() also
+ * didn't work, use the default CTRL-H
+ * The default for t_kD is DEL, unless t_kb is DEL.
+ * The vim_strsave'd strings are probably lost forever, well it's only two
+ * bytes. Don't do this when the GUI is active, it uses "t_kb" and "t_kD"
+ * directly.
+ */
+#ifdef FEAT_GUI
+ if (!gui.in_use)
+#endif
+ {
+ bs_p = find_termcode((char_u *)"kb");
+ del_p = find_termcode((char_u *)"kD");
+ if (bs_p == NULL || *bs_p == NUL)
+ add_termcode((char_u *)"kb", (bs_p = (char_u *)CTRL_H_STR), FALSE);
+ if ((del_p == NULL || *del_p == NUL) &&
+ (bs_p == NULL || *bs_p != DEL))
+ add_termcode((char_u *)"kD", (char_u *)DEL_STR, FALSE);
+ }
+
+#if defined(UNIX) || defined(VMS)
+ term_is_xterm = vim_is_xterm(term);
+#endif
+#ifdef FEAT_TERMRESPONSE
+ // Reset terminal properties that are set based on the termresponse, which
+ // will be sent out soon.
+ init_term_props(FALSE);
+#endif
+
+#if defined(UNIX) || defined(VMS)
+ // If the first number in t_XM is 1006 then the terminal will support SGR
+ // mouse reporting.
+ int did_set_ttym = FALSE;
+ if (T_CXM != NULL && *T_CXM != NUL && !option_was_set((char_u *)"ttym"))
+ {
+ char_u *p = T_CXM;
+
+ while (*p != NUL && !VIM_ISDIGIT(*p))
+ ++p;
+ if (getdigits(&p) == 1006)
+ {
+ did_set_ttym = TRUE;
+ set_option_value_give_err((char_u *)"ttym", 0L, (char_u *)"sgr", 0);
+ }
+ }
+
+ /*
+ * For Unix, set the 'ttymouse' option to the type of mouse to be used.
+ * The termcode for the mouse is added as a side effect in option.c.
+ */
+ {
+ char_u *p = (char_u *)"";
+
+# ifdef FEAT_MOUSE_XTERM
+ if (use_xterm_like_mouse(term))
+ {
+ if (use_xterm_mouse())
+ p = NULL; // keep existing value, might be "xterm2"
+ else
+ p = (char_u *)"xterm";
+ }
+# endif
+ if (p != NULL && !did_set_ttym)
+ {
+ set_option_value_give_err((char_u *)"ttym", 0L, p, 0);
+ // Reset the WAS_SET flag, 'ttymouse' can be set to "sgr" or
+ // "xterm2" in check_termcode().
+ reset_option_was_set((char_u *)"ttym");
+ }
+ if (p == NULL
+# ifdef FEAT_GUI
+ || gui.in_use
+# endif
+ )
+ check_mouse_termcode(); // set mouse termcode anyway
+ }
+#else
+ set_mouse_termcode(KS_MOUSE, (char_u *)"\233M");
+#endif
+
+#ifdef FEAT_MOUSE_XTERM
+ // Focus reporting is supported by xterm compatible terminals and tmux.
+ // We hard-code the received escape sequences here. There are the terminfo
+ // entries kxIN and kxOUT, but they are rarely used and do hot have a
+ // two-letter termcap name.
+ if (use_xterm_like_mouse(term))
+ {
+ char_u name[3];
+
+ // handle focus in event
+ name[0] = KS_EXTRA;
+ name[1] = KE_FOCUSGAINED;
+ name[2] = NUL;
+ add_termcode(name, (char_u *)"\033[I", FALSE);
+
+ // handle focus out event
+ name[1] = KE_FOCUSLOST;
+ add_termcode(name, (char_u *)"\033[O", FALSE);
+
+ need_gather = TRUE;
+ }
+#endif
+#if (defined(UNIX) || defined(VMS))
+ // First time after setting 'term' a focus event is always reported.
+ focus_state = MAYBE;
+#endif
+
+#ifdef USE_TERM_CONSOLE
+ // DEFAULT_TERM indicates that it is the machine console.
+ if (STRCMP(term, DEFAULT_TERM) != 0)
+ term_console = FALSE;
+ else
+ {
+ term_console = TRUE;
+# ifdef AMIGA
+ win_resize_on(); // enable window resizing reports
+# endif
+ }
+#endif
+
+ ttest(TRUE); // make sure we have a valid set of terminal codes
+
+ full_screen = TRUE; // we can use termcap codes from now on
+ set_term_defaults(); // use current values as defaults
+#ifdef FEAT_TERMRESPONSE
+ LOG_TR(("setting crv_status to STATUS_GET"));
+ crv_status.tr_progress = STATUS_GET; // Get terminal version later
+ write_t_8u_state = FALSE;
+#endif
+
+ /*
+ * Initialize the terminal with the appropriate termcap codes.
+ * Set the mouse and window title if possible.
+ * Don't do this when starting, need to parse the .vimrc first, because it
+ * may redefine t_TI etc.
+ */
+ if (starting != NO_SCREEN)
+ {
+ starttermcap(); // may change terminal mode
+ setmouse(); // may start using the mouse
+ maketitle(); // may display window title
+ }
+
+ // display initial screen after ttest() checking. jw.
+ if (width <= 0 || height <= 0)
+ {
+ // termcap failed to report size
+ // set defaults, in case ui_get_shellsize() also fails
+ width = 80;
+#if defined(MSWIN)
+ height = 25; // console is often 25 lines
+#else
+ height = 24; // most terminals are 24 lines
+#endif
+ }
+ set_shellsize(width, height, FALSE); // may change Rows
+ if (starting != NO_SCREEN)
+ {
+ if (scroll_region)
+ scroll_region_reset(); // In case Rows changed
+ check_map_keycodes(); // check mappings for terminal codes used
+
+ {
+ buf_T *buf;
+ aco_save_T aco;
+
+ /*
+ * Execute the TermChanged autocommands for each buffer that is
+ * loaded.
+ */
+ FOR_ALL_BUFFERS(buf)
+ {
+ if (curbuf->b_ml.ml_mfp != NULL)
+ {
+ aucmd_prepbuf(&aco, buf);
+ if (curbuf == buf)
+ {
+ apply_autocmds(EVENT_TERMCHANGED, NULL, NULL, FALSE,
+ curbuf);
+ // restore curwin/curbuf and a few other things
+ aucmd_restbuf(&aco);
+ }
+ }
+ }
+ }
+ }
+
+#ifdef FEAT_TERMRESPONSE
+ may_req_termresponse();
+#endif
+
+ return OK;
+}
+
+#if defined(EXITFREE) || defined(PROTO)
+
+# ifdef HAVE_DEL_CURTERM
+# include <term.h> // declares cur_term
+# endif
+
+/*
+ * If supported, delete "cur_term", which caches terminal related entries.
+ * Avoids that valgrind reports possibly lost memory.
+ */
+ void
+free_cur_term(void)
+{
+# ifdef HAVE_DEL_CURTERM
+ if (cur_term)
+ del_curterm(cur_term);
+# endif
+}
+
+#endif
+
+#ifdef HAVE_TGETENT
+/*
+ * Call tgetent()
+ * Return error message if it fails, NULL if it's OK.
+ */
+ static char *
+invoke_tgetent(char_u *tbuf, char_u *term)
+{
+ int i;
+
+ // Note: Valgrind may report a leak here, because the library keeps one
+ // buffer around that we can't ever free.
+ i = TGETENT(tbuf, term);
+ if (i < 0 // -1 is always an error
+# ifdef TGETENT_ZERO_ERR
+ || i == 0 // sometimes zero is also an error
+# endif
+ )
+ {
+ // On FreeBSD tputs() gets a SEGV after a tgetent() which fails. Call
+ // tgetent() with the always existing "dumb" entry to avoid a crash or
+ // hang.
+ (void)TGETENT(tbuf, "dumb");
+
+ if (i < 0)
+# ifdef TGETENT_ZERO_ERR
+ return _(e_cannot_open_termcap_file);
+ if (i == 0)
+# endif
+#ifdef TERMINFO
+ return _(e_terminal_entry_not_found_in_terminfo);
+#else
+ return _(e_terminal_entry_not_found_in_termcap);
+#endif
+ }
+ return NULL;
+}
+
+/*
+ * Some versions of tgetstr() have been reported to return -1 instead of NULL.
+ * Fix that here.
+ */
+ static char_u *
+vim_tgetstr(char *s, char_u **pp)
+{
+ char *p;
+
+ p = tgetstr(s, (char **)pp);
+ if (p == (char *)-1)
+ p = NULL;
+ return (char_u *)p;
+}
+#endif // HAVE_TGETENT
+
+#if defined(HAVE_TGETENT) && (defined(UNIX) || defined(VMS) || defined(MACOS_X))
+/*
+ * Get Columns and Rows from the termcap. Used after a window signal if the
+ * ioctl() fails. It doesn't make sense to call tgetent each time if the "co"
+ * and "li" entries never change. But on some systems this works.
+ * Errors while getting the entries are ignored.
+ */
+ void
+getlinecol(
+ long *cp, // pointer to columns
+ long *rp) // pointer to rows
+{
+ char_u tbuf[TBUFSZ];
+
+ if (T_NAME == NULL || *T_NAME == NUL
+ || invoke_tgetent(tbuf, T_NAME) != NULL)
+ return;
+
+ if (*cp == 0)
+ *cp = tgetnum("co");
+ if (*rp == 0)
+ *rp = tgetnum("li");
+}
+#endif // defined(HAVE_TGETENT) && defined(UNIX)
+
+/*
+ * Get a string entry from the termcap and add it to the list of termcodes.
+ * Used for <t_xx> special keys.
+ * Give an error message for failure when not sourcing.
+ * If force given, replace an existing entry.
+ * Return FAIL if the entry was not found, OK if the entry was added.
+ */
+ int
+add_termcap_entry(char_u *name, int force)
+{
+ char_u *term;
+ int key;
+#ifdef HAVE_TGETENT
+ char_u *string;
+ int i;
+ int builtin_first;
+ char_u tbuf[TBUFSZ];
+ char_u tstrbuf[TBUFSZ];
+ char_u *tp = tstrbuf;
+ char *error_msg = NULL;
+#endif
+
+/*
+ * If the GUI is running or will start in a moment, we only support the keys
+ * that the GUI can produce.
+ */
+#ifdef FEAT_GUI
+ if (gui.in_use || gui.starting)
+ return gui_mch_haskey(name);
+#endif
+
+ if (!force && find_termcode(name) != NULL) // it's already there
+ return OK;
+
+ term = T_NAME;
+ if (term == NULL || *term == NUL) // 'term' not defined yet
+ return FAIL;
+
+ if (term_is_builtin(term)) // name starts with "builtin_"
+ {
+ term += 8;
+#ifdef HAVE_TGETENT
+ builtin_first = TRUE;
+#endif
+ }
+#ifdef HAVE_TGETENT
+ else
+ builtin_first = p_tbi;
+#endif
+
+#ifdef HAVE_TGETENT
+/*
+ * We can get the entry from the builtin termcap and from the external one.
+ * If 'ttybuiltin' is on or the terminal name starts with "builtin_", try
+ * builtin termcap first.
+ * If 'ttybuiltin' is off, try external termcap first.
+ */
+ for (i = 0; i < 2; ++i)
+ {
+ if ((!builtin_first) == i)
+#endif
+ /*
+ * Search in builtin termcaps
+ */
+ {
+ tcap_entry_T *termp = find_builtin_term(term);
+ if (termp != NULL) // found it
+ {
+ key = TERMCAP2KEY(name[0], name[1]);
+ ++termp;
+ while (termp->bt_entry != (int)KS_NAME)
+ {
+ if ((int)termp->bt_entry == key)
+ {
+ add_termcode(name, (char_u *)termp->bt_string,
+ term_is_8bit(term));
+ return OK;
+ }
+ ++termp;
+ }
+ }
+ }
+#ifdef HAVE_TGETENT
+ else
+ /*
+ * Search in external termcap
+ */
+ {
+ error_msg = invoke_tgetent(tbuf, term);
+ if (error_msg == NULL)
+ {
+ string = TGETSTR((char *)name, &tp);
+ if (string != NULL && *string != NUL)
+ {
+ add_termcode(name, string, FALSE);
+ return OK;
+ }
+ }
+ }
+ }
+#endif
+
+ if (SOURCING_NAME == NULL)
+ {
+#ifdef HAVE_TGETENT
+ if (error_msg != NULL)
+ emsg(error_msg);
+ else
+#endif
+ semsg(_(e_no_str_entry_in_termcap), name);
+ }
+ return FAIL;
+}
+
+ static int
+term_is_builtin(char_u *name)
+{
+ return (STRNCMP(name, "builtin_", (size_t)8) == 0);
+}
+
+/*
+ * Return TRUE if terminal "name" uses CSI instead of <Esc>[.
+ * Assume that the terminal is using 8-bit controls when the name contains
+ * "8bit", like in "xterm-8bit".
+ */
+ int
+term_is_8bit(char_u *name)
+{
+ return (detected_8bit || strstr((char *)name, "8bit") != NULL);
+}
+
+/*
+ * Translate terminal control chars from 7-bit to 8-bit:
+ * <Esc>[ -> CSI <M_C_[>
+ * <Esc>] -> OSC <M-C-]>
+ * <Esc>O -> <M-C-O>
+ */
+ static int
+term_7to8bit(char_u *p)
+{
+ if (*p != ESC)
+ return 0;
+
+ if (p[1] == '[')
+ return CSI;
+ else if (p[1] == ']')
+ return OSC;
+ else if (p[1] == 'O')
+ return 0x8f;
+ return 0;
+}
+
+#if defined(FEAT_GUI) || defined(PROTO)
+ int
+term_is_gui(char_u *name)
+{
+ return (STRCMP(name, "builtin_gui") == 0 || STRCMP(name, "gui") == 0);
+}
+#endif
+
+#if !defined(HAVE_TGETENT) || defined(AMIGA) || defined(PROTO)
+
+ char_u *
+tltoa(unsigned long i)
+{
+ static char_u buf[16];
+ char_u *p;
+
+ p = buf + 15;
+ *p = '\0';
+ do
+ {
+ --p;
+ *p = (char_u) (i % 10 + '0');
+ i /= 10;
+ }
+ while (i > 0 && p > buf);
+ return p;
+}
+#endif
+
+#ifndef HAVE_TGETENT
+
+/*
+ * minimal tgoto() implementation.
+ * no padding and we only parse for %i %d and %+char
+ */
+ static char *
+tgoto(char *cm, int x, int y)
+{
+ static char buf[30];
+ char *p, *s, *e;
+
+ if (!cm)
+ return "OOPS";
+ e = buf + 29;
+ for (s = buf; s < e && *cm; cm++)
+ {
+ if (*cm != '%')
+ {
+ *s++ = *cm;
+ continue;
+ }
+ switch (*++cm)
+ {
+ case 'd':
+ p = (char *)tltoa((unsigned long)y);
+ y = x;
+ while (*p)
+ *s++ = *p++;
+ break;
+ case 'i':
+ x++;
+ y++;
+ break;
+ case '+':
+ *s++ = (char)(*++cm + y);
+ y = x;
+ break;
+ case '%':
+ *s++ = *cm;
+ break;
+ default:
+ return "OOPS";
+ }
+ }
+ *s = '\0';
+ return buf;
+}
+
+#endif // HAVE_TGETENT
+
+/*
+ * Set the terminal name and initialize the terminal options.
+ * If "name" is NULL or empty, get the terminal name from the environment.
+ * If that fails, use the default terminal name.
+ */
+ void
+termcapinit(char_u *name)
+{
+ char_u *term = name;
+
+ if (term != NULL && *term == NUL)
+ term = NULL; // empty name is equal to no name
+
+#ifndef MSWIN
+ if (term == NULL)
+ term = mch_getenv((char_u *)"TERM");
+#endif
+ if (term == NULL || *term == NUL)
+ term = DEFAULT_TERM;
+ set_string_option_direct((char_u *)"term", -1, term, OPT_FREE, 0);
+
+ // Set the default terminal name.
+ set_string_default("term", term);
+ set_string_default("ttytype", term);
+
+ // Avoid using "term" here, because the next mch_getenv() may overwrite it.
+ set_termname(T_NAME != NULL ? T_NAME : term);
+}
+
+/*
+ * The number of calls to ui_write is reduced by using "out_buf".
+ */
+#define OUT_SIZE 2047
+
+// add one to allow mch_write() in os_win32.c to append a NUL
+static char_u out_buf[OUT_SIZE + 1];
+
+static int out_pos = 0; // number of chars in out_buf
+
+// Since the maximum number of SGR parameters shown as a normal value range is
+// 16, the escape sequence length can be 4 * 16 + lead + tail.
+#define MAX_ESC_SEQ_LEN 80
+
+/*
+ * out_flush(): flush the output buffer
+ */
+ void
+out_flush(void)
+{
+ int len;
+
+ if (out_pos == 0)
+ return;
+
+ // set out_pos to 0 before ui_write, to avoid recursiveness
+ len = out_pos;
+ out_pos = 0;
+ ui_write(out_buf, len, FALSE);
+#ifdef FEAT_EVAL
+ if (ch_log_output != FALSE)
+ {
+ out_buf[len] = NUL;
+ ch_log(NULL, "raw %s output: \"%s\"",
+# ifdef FEAT_GUI
+ (gui.in_use && !gui.dying && !gui.starting) ? "GUI" :
+# endif
+ "terminal",
+ out_buf);
+ if (ch_log_output == TRUE)
+ ch_log_output = FALSE; // only log once
+ }
+#endif
+}
+
+/*
+ * out_flush_cursor(): flush the output buffer and redraw the cursor.
+ * Does not flush recursively in the GUI to avoid slow drawing.
+ */
+ void
+out_flush_cursor(
+ int force UNUSED, // when TRUE, update cursor even when not moved
+ int clear_selection UNUSED) // clear selection under cursor
+{
+ mch_disable_flush();
+ out_flush();
+ mch_enable_flush();
+#ifdef FEAT_GUI
+ if (gui.in_use)
+ {
+ gui_update_cursor(force, clear_selection);
+ gui_may_flush();
+ }
+#endif
+}
+
+
+/*
+ * Sometimes a byte out of a multi-byte character is written with out_char().
+ * To avoid flushing half of the character, call this function first.
+ */
+ void
+out_flush_check(void)
+{
+ if (enc_dbcs != 0 && out_pos >= OUT_SIZE - MB_MAXBYTES)
+ out_flush();
+}
+
+#ifdef FEAT_GUI
+/*
+ * out_trash(): Throw away the contents of the output buffer
+ */
+ void
+out_trash(void)
+{
+ out_pos = 0;
+}
+#endif
+
+/*
+ * out_char(c): put a byte into the output buffer.
+ * Flush it if it becomes full.
+ * This should not be used for outputting text on the screen (use functions
+ * like msg_puts() and screen_putchar() for that).
+ */
+ void
+out_char(unsigned c)
+{
+#if defined(UNIX) || defined(VMS) || defined(AMIGA) || defined(MACOS_X)
+ if (c == '\n') // turn LF into CR-LF (CRMOD doesn't seem to do this)
+ out_char('\r');
+#endif
+
+ out_buf[out_pos++] = c;
+
+ // For testing we flush each time.
+ if (out_pos >= OUT_SIZE || p_wd)
+ out_flush();
+}
+
+/*
+ * Output "c" like out_char(), but don't flush when p_wd is set.
+ */
+ static int
+out_char_nf(int c)
+{
+ out_buf[out_pos++] = (unsigned)c;
+
+ if (out_pos >= OUT_SIZE)
+ out_flush();
+ return (unsigned)c;
+}
+
+/*
+ * A never-padding out_str().
+ * Use this whenever you don't want to run the string through tputs().
+ * tputs() above is harmless, but tputs() from the termcap library
+ * is likely to strip off leading digits, that it mistakes for padding
+ * information, and "%i", "%d", etc.
+ * This should only be used for writing terminal codes, not for outputting
+ * normal text (use functions like msg_puts() and screen_putchar() for that).
+ */
+ void
+out_str_nf(char_u *s)
+{
+ // avoid terminal strings being split up
+ if (out_pos > OUT_SIZE - MAX_ESC_SEQ_LEN)
+ out_flush();
+
+ for (char_u *p = s; *p != NUL; ++p)
+ out_char_nf(*p);
+
+ // For testing we write one string at a time.
+ if (p_wd)
+ out_flush();
+}
+
+/*
+ * A conditional-flushing out_str, mainly for visualbell.
+ * Handles a delay internally, because termlib may not respect the delay or do
+ * it at the wrong time.
+ * Note: Only for terminal strings.
+ */
+ void
+out_str_cf(char_u *s)
+{
+ if (s == NULL || *s == NUL)
+ return;
+
+#ifdef HAVE_TGETENT
+ char_u *p;
+#endif
+
+#ifdef FEAT_GUI
+ // Don't use tputs() when GUI is used, ncurses crashes.
+ if (gui.in_use)
+ {
+ out_str_nf(s);
+ return;
+ }
+#endif
+ if (out_pos > OUT_SIZE - MAX_ESC_SEQ_LEN)
+ out_flush();
+#ifdef HAVE_TGETENT
+ for (p = s; *s; ++s)
+ {
+ // flush just before delay command
+ if (*s == '$' && *(s + 1) == '<')
+ {
+ char_u save_c = *s;
+ int duration = atoi((char *)s + 2);
+
+ *s = NUL;
+ tputs((char *)p, 1, TPUTSFUNCAST out_char_nf);
+ *s = save_c;
+ out_flush();
+# ifdef ELAPSED_FUNC
+ // Only sleep here if we can limit this happening in
+ // vim_beep().
+ p = vim_strchr(s, '>');
+ if (p == NULL || duration <= 0)
+ {
+ // can't parse the time, don't sleep here
+ p = s;
+ }
+ else
+ {
+ ++p;
+ do_sleep(duration, FALSE);
+ }
+# else
+ // Rely on the terminal library to sleep.
+ p = s;
+# endif
+ break;
+ }
+ }
+ tputs((char *)p, 1, TPUTSFUNCAST out_char_nf);
+#else
+ while (*s)
+ out_char_nf(*s++);
+#endif
+
+ // For testing we write one string at a time.
+ if (p_wd)
+ out_flush();
+}
+
+/*
+ * out_str(s): Put a character string a byte at a time into the output buffer.
+ * If HAVE_TGETENT is defined use tputs(), the termcap parser. (jw)
+ * This should only be used for writing terminal codes, not for outputting
+ * normal text (use functions like msg_puts() and screen_putchar() for that).
+ */
+ void
+out_str(char_u *s)
+{
+ if (s == NULL || *s == NUL)
+ return;
+
+#ifdef FEAT_GUI
+ // Don't use tputs() when GUI is used, ncurses crashes.
+ if (gui.in_use)
+ {
+ out_str_nf(s);
+ return;
+ }
+#endif
+ // avoid terminal strings being split up
+ if (out_pos > OUT_SIZE - MAX_ESC_SEQ_LEN)
+ out_flush();
+#ifdef HAVE_TGETENT
+ tputs((char *)s, 1, TPUTSFUNCAST out_char_nf);
+#else
+ while (*s)
+ out_char_nf(*s++);
+#endif
+
+ // For testing we write one string at a time.
+ if (p_wd)
+ out_flush();
+}
+
+/*
+ * cursor positioning using termcap parser. (jw)
+ */
+ void
+term_windgoto(int row, int col)
+{
+ OUT_STR(tgoto((char *)T_CM, col, row));
+}
+
+ void
+term_cursor_right(int i)
+{
+ OUT_STR(tgoto((char *)T_CRI, 0, i));
+}
+
+ void
+term_append_lines(int line_count)
+{
+ OUT_STR(tgoto((char *)T_CAL, 0, line_count));
+}
+
+ void
+term_delete_lines(int line_count)
+{
+ OUT_STR(tgoto((char *)T_CDL, 0, line_count));
+}
+
+#if defined(UNIX) || defined(PROTO)
+ void
+term_enable_mouse(int enable)
+{
+ int on = enable ? 1 : 0;
+ OUT_STR(tgoto((char *)T_CXM, 0, on));
+}
+#endif
+
+#if defined(HAVE_TGETENT) || defined(PROTO)
+ void
+term_set_winpos(int x, int y)
+{
+ // Can't handle a negative value here
+ if (x < 0)
+ x = 0;
+ if (y < 0)
+ y = 0;
+ OUT_STR(tgoto((char *)T_CWP, y, x));
+}
+
+# if defined(FEAT_TERMRESPONSE) || defined(PROTO)
+/*
+ * Return TRUE if we can request the terminal for a response.
+ */
+ static int
+can_get_termresponse(void)
+{
+ return cur_tmode == TMODE_RAW
+ && termcap_active
+# ifdef UNIX
+ && (is_not_a_term() || (isatty(1) && isatty(read_cmd_fd)))
+# endif
+ && p_ek;
+}
+
+/*
+ * Set "status" to STATUS_SENT.
+ */
+ static void
+termrequest_sent(termrequest_T *status)
+{
+ status->tr_progress = STATUS_SENT;
+ status->tr_start = time(NULL);
+}
+
+/*
+ * Return TRUE if any of the requests are in STATUS_SENT.
+ */
+ static int
+termrequest_any_pending(void)
+{
+ int i;
+ time_t now = time(NULL);
+
+ for (i = 0; all_termrequests[i] != NULL; ++i)
+ {
+ if (all_termrequests[i]->tr_progress == STATUS_SENT)
+ {
+ if (all_termrequests[i]->tr_start > 0 && now > 0
+ && all_termrequests[i]->tr_start + 2 < now)
+ // Sent the request more than 2 seconds ago and didn't get a
+ // response, assume it failed.
+ all_termrequests[i]->tr_progress = STATUS_FAIL;
+ else
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+static int winpos_x = -1;
+static int winpos_y = -1;
+static int did_request_winpos = 0;
+
+# if defined(FEAT_EVAL) || defined(FEAT_TERMINAL) || defined(PROTO)
+/*
+ * Try getting the Vim window position from the terminal.
+ * Returns OK or FAIL.
+ */
+ int
+term_get_winpos(int *x, int *y, varnumber_T timeout)
+{
+ int count = 0;
+ int prev_winpos_x = winpos_x;
+ int prev_winpos_y = winpos_y;
+
+ if (*T_CGP == NUL || !can_get_termresponse())
+ return FAIL;
+ winpos_x = -1;
+ winpos_y = -1;
+ ++did_request_winpos;
+ termrequest_sent(&winpos_status);
+ OUT_STR(T_CGP);
+ out_flush();
+
+ // Try reading the result for "timeout" msec.
+ while (count++ <= timeout / 10 && !got_int)
+ {
+ (void)vpeekc_nomap();
+ if (winpos_x >= 0 && winpos_y >= 0)
+ {
+ *x = winpos_x;
+ *y = winpos_y;
+ return OK;
+ }
+ ui_delay(10L, FALSE);
+ }
+ // Do not reset "did_request_winpos", if we timed out the response might
+ // still come later and we must consume it.
+
+ winpos_x = prev_winpos_x;
+ winpos_y = prev_winpos_y;
+ if (timeout < 10 && prev_winpos_y >= 0 && prev_winpos_x >= 0)
+ {
+ // Polling: return previous values if we have them.
+ *x = winpos_x;
+ *y = winpos_y;
+ return OK;
+ }
+
+ return FALSE;
+}
+# endif
+# endif
+
+ void
+term_set_winsize(int height, int width)
+{
+ OUT_STR(tgoto((char *)T_CWS, width, height));
+}
+#endif
+
+ static void
+term_color(char_u *s, int n)
+{
+ char buf[20];
+ int i = *s == CSI ? 1 : 2;
+ // index in s[] just after <Esc>[ or CSI
+
+ // Special handling of 16 colors, because termcap can't handle it
+ // Also accept "\e[3%dm" for TERMINFO, it is sometimes used
+ // Also accept CSI instead of <Esc>[
+ if (n >= 8 && t_colors >= 16
+ && ((s[0] == ESC && s[1] == '[')
+#if defined(FEAT_VTP) && defined(FEAT_TERMGUICOLORS)
+ || (s[0] == ESC && s[1] == '|')
+#endif
+ || (s[0] == CSI && (i = 1) == 1))
+ && s[i] != NUL
+ && (STRCMP(s + i + 1, "%p1%dm") == 0
+ || STRCMP(s + i + 1, "%dm") == 0)
+ && (s[i] == '3' || s[i] == '4'))
+ {
+#ifdef TERMINFO
+ char *format = "%s%s%%p1%%dm";
+#else
+ char *format = "%s%s%%dm";
+#endif
+ char *lead = i == 2 ? (
+#if defined(FEAT_VTP) && defined(FEAT_TERMGUICOLORS)
+ s[1] == '|' ? "\033|" :
+#endif
+ "\033[") : "\233";
+ char *tail = s[i] == '3' ? (n >= 16 ? "38;5;" : "9")
+ : (n >= 16 ? "48;5;" : "10");
+
+ sprintf(buf, format, lead, tail);
+ OUT_STR(tgoto(buf, 0, n >= 16 ? n : n - 8));
+ }
+ else
+ OUT_STR(tgoto((char *)s, 0, n));
+}
+
+ void
+term_fg_color(int n)
+{
+ // Use "AF" termcap entry if present, "Sf" entry otherwise
+ if (*T_CAF)
+ term_color(T_CAF, n);
+ else if (*T_CSF)
+ term_color(T_CSF, n);
+}
+
+ void
+term_bg_color(int n)
+{
+ // Use "AB" termcap entry if present, "Sb" entry otherwise
+ if (*T_CAB)
+ term_color(T_CAB, n);
+ else if (*T_CSB)
+ term_color(T_CSB, n);
+}
+
+ void
+term_ul_color(int n)
+{
+ if (*T_CAU)
+ term_color(T_CAU, n);
+}
+
+/*
+ * Return "dark" or "light" depending on the kind of terminal.
+ * This is just guessing! Recognized are:
+ * "linux" Linux console
+ * "screen.linux" Linux console with screen
+ * "cygwin.*" Cygwin shell
+ * "putty.*" Putty program
+ * We also check the COLORFGBG environment variable, which is set by
+ * rxvt and derivatives. This variable contains either two or three
+ * values separated by semicolons; we want the last value in either
+ * case. If this value is 0-6 or 8, our background is dark.
+ */
+ char_u *
+term_bg_default(void)
+{
+#if defined(MSWIN)
+ // DOS console is nearly always black
+ return (char_u *)"dark";
+#else
+ char_u *p;
+
+ if (STRCMP(T_NAME, "linux") == 0
+ || STRCMP(T_NAME, "screen.linux") == 0
+ || STRNCMP(T_NAME, "cygwin", 6) == 0
+ || STRNCMP(T_NAME, "putty", 5) == 0
+ || ((p = mch_getenv((char_u *)"COLORFGBG")) != NULL
+ && (p = vim_strrchr(p, ';')) != NULL
+ && ((p[1] >= '0' && p[1] <= '6') || p[1] == '8')
+ && p[2] == NUL))
+ return (char_u *)"dark";
+ return (char_u *)"light";
+#endif
+}
+
+#if defined(FEAT_TERMGUICOLORS) || defined(PROTO)
+
+#define RED(rgb) (((long_u)(rgb) >> 16) & 0xFF)
+#define GREEN(rgb) (((long_u)(rgb) >> 8) & 0xFF)
+#define BLUE(rgb) (((long_u)(rgb) ) & 0xFF)
+
+ static void
+term_rgb_color(char_u *s, guicolor_T rgb)
+{
+#define MAX_COLOR_STR_LEN 100
+ char buf[MAX_COLOR_STR_LEN];
+
+ if (*s == NUL)
+ return;
+ vim_snprintf(buf, MAX_COLOR_STR_LEN,
+ (char *)s, RED(rgb), GREEN(rgb), BLUE(rgb));
+#ifdef FEAT_VTP
+ if (use_vtp() && (p_tgc || t_colors >= 256))
+ {
+ out_flush();
+ buf[1] = '[';
+ vtp_printf(buf);
+ }
+ else
+#endif
+ OUT_STR(buf);
+}
+
+ void
+term_fg_rgb_color(guicolor_T rgb)
+{
+ if (rgb != INVALCOLOR)
+ term_rgb_color(T_8F, rgb);
+}
+
+ void
+term_bg_rgb_color(guicolor_T rgb)
+{
+ if (rgb != INVALCOLOR)
+ term_rgb_color(T_8B, rgb);
+}
+
+ void
+term_ul_rgb_color(guicolor_T rgb)
+{
+# ifdef FEAT_TERMRESPONSE
+ // If the user explicitly sets t_8u then use it. Otherwise wait for
+ // termresponse to be received, which is when t_8u would be set and a
+ // redraw is needed if it was used.
+ if (!option_was_set((char_u *)"t_8u") && write_t_8u_state != OK)
+ write_t_8u_state = MAYBE;
+ else
+# endif
+ term_rgb_color(T_8U, rgb);
+}
+#endif
+
+#if (defined(UNIX) || defined(VMS) || defined(MACOS_X)) || defined(PROTO)
+/*
+ * Generic function to set window title, using t_ts and t_fs.
+ */
+ void
+term_settitle(char_u *title)
+{
+ MAY_WANT_TO_LOG_THIS;
+
+ // t_ts takes one argument: column in status line
+ OUT_STR(tgoto((char *)T_TS, 0, 0)); // set title start
+ out_str_nf(title);
+ out_str(T_FS); // set title end
+ out_flush();
+}
+
+/*
+ * Tell the terminal to push (save) the title and/or icon, so that it can be
+ * popped (restored) later.
+ */
+ void
+term_push_title(int which)
+{
+ if ((which & SAVE_RESTORE_TITLE) && T_CST != NULL && *T_CST != NUL)
+ {
+ OUT_STR(T_CST);
+ out_flush();
+ }
+
+ if ((which & SAVE_RESTORE_ICON) && T_SSI != NULL && *T_SSI != NUL)
+ {
+ OUT_STR(T_SSI);
+ out_flush();
+ }
+}
+
+/*
+ * Tell the terminal to pop the title and/or icon.
+ */
+ void
+term_pop_title(int which)
+{
+ if ((which & SAVE_RESTORE_TITLE) && T_CRT != NULL && *T_CRT != NUL)
+ {
+ OUT_STR(T_CRT);
+ out_flush();
+ }
+
+ if ((which & SAVE_RESTORE_ICON) && T_SRI != NULL && *T_SRI != NUL)
+ {
+ OUT_STR(T_SRI);
+ out_flush();
+ }
+}
+#endif
+
+/*
+ * Make sure we have a valid set or terminal options.
+ * Replace all entries that are NULL by empty_option
+ */
+ void
+ttest(int pairs)
+{
+ char_u *env_colors;
+
+ check_options(); // make sure no options are NULL
+
+ /*
+ * MUST have "cm": cursor motion.
+ */
+ if (*T_CM == NUL)
+ emsg(_(e_terminal_capability_cm_required));
+
+ /*
+ * if "cs" defined, use a scroll region, it's faster.
+ */
+ if (*T_CS != NUL)
+ scroll_region = TRUE;
+ else
+ scroll_region = FALSE;
+
+ if (pairs)
+ {
+ /*
+ * optional pairs
+ */
+ // TP goes to normal mode for TI (invert) and TB (bold)
+ if (*T_ME == NUL)
+ T_ME = T_MR = T_MD = T_MB = empty_option;
+ if (*T_SO == NUL || *T_SE == NUL)
+ T_SO = T_SE = empty_option;
+ if (*T_US == NUL || *T_UE == NUL)
+ T_US = T_UE = empty_option;
+ if (*T_CZH == NUL || *T_CZR == NUL)
+ T_CZH = T_CZR = empty_option;
+
+ // T_VE is needed even though T_VI is not defined
+ if (*T_VE == NUL)
+ T_VI = empty_option;
+
+ // if 'mr' or 'me' is not defined use 'so' and 'se'
+ if (*T_ME == NUL)
+ {
+ T_ME = T_SE;
+ T_MR = T_SO;
+ T_MD = T_SO;
+ }
+
+ // if 'so' or 'se' is not defined use 'mr' and 'me'
+ if (*T_SO == NUL)
+ {
+ T_SE = T_ME;
+ if (*T_MR == NUL)
+ T_SO = T_MD;
+ else
+ T_SO = T_MR;
+ }
+
+ // if 'ZH' or 'ZR' is not defined use 'mr' and 'me'
+ if (*T_CZH == NUL)
+ {
+ T_CZR = T_ME;
+ if (*T_MR == NUL)
+ T_CZH = T_MD;
+ else
+ T_CZH = T_MR;
+ }
+
+ // "Sb" and "Sf" come in pairs
+ if (*T_CSB == NUL || *T_CSF == NUL)
+ {
+ T_CSB = empty_option;
+ T_CSF = empty_option;
+ }
+
+ // "AB" and "AF" come in pairs
+ if (*T_CAB == NUL || *T_CAF == NUL)
+ {
+ T_CAB = empty_option;
+ T_CAF = empty_option;
+ }
+
+ // if 'Sb' and 'AB' are not defined, reset "Co"
+ if (*T_CSB == NUL && *T_CAB == NUL)
+ free_one_termoption(T_CCO);
+
+ // Set 'weirdinvert' according to value of 't_xs'
+ p_wiv = (*T_XS != NUL);
+ }
+ need_gather = TRUE;
+
+ // Set t_colors to the value of $COLORS or t_Co. Ignore $COLORS in the
+ // GUI.
+ t_colors = atoi((char *)T_CCO);
+#ifdef FEAT_GUI
+ if (!gui.in_use)
+#endif
+ {
+ env_colors = mch_getenv((char_u *)"COLORS");
+ if (env_colors != NULL && isdigit(*env_colors))
+ {
+ int colors = atoi((char *)env_colors);
+
+ if (colors != t_colors)
+ set_color_count(colors);
+ }
+ }
+}
+
+#if (defined(FEAT_GUI) && (defined(FEAT_MENU) || !defined(USE_ON_FLY_SCROLL))) \
+ || defined(PROTO)
+/*
+ * Represent the given long_u as individual bytes, with the most significant
+ * byte first, and store them in dst.
+ */
+ void
+add_long_to_buf(long_u val, char_u *dst)
+{
+ int i;
+ int shift;
+
+ for (i = 1; i <= (int)sizeof(long_u); i++)
+ {
+ shift = 8 * (sizeof(long_u) - i);
+ dst[i - 1] = (char_u) ((val >> shift) & 0xff);
+ }
+}
+
+/*
+ * Interpret the next string of bytes in buf as a long integer, with the most
+ * significant byte first. Note that it is assumed that buf has been through
+ * inchar(), so that NUL and K_SPECIAL will be represented as three bytes each.
+ * Puts result in val, and returns the number of bytes read from buf
+ * (between sizeof(long_u) and 2 * sizeof(long_u)), or -1 if not enough bytes
+ * were present.
+ */
+ static int
+get_long_from_buf(char_u *buf, long_u *val)
+{
+ int len;
+ char_u bytes[sizeof(long_u)];
+ int i;
+ int shift;
+
+ *val = 0;
+ len = get_bytes_from_buf(buf, bytes, (int)sizeof(long_u));
+ if (len == -1)
+ return -1;
+ for (i = 0; i < (int)sizeof(long_u); i++)
+ {
+ shift = 8 * (sizeof(long_u) - 1 - i);
+ *val += (long_u)bytes[i] << shift;
+ }
+ return len;
+}
+#endif
+
+/*
+ * Read the next num_bytes bytes from buf, and store them in bytes. Assume
+ * that buf has been through inchar(). Returns the actual number of bytes used
+ * from buf (between num_bytes and num_bytes*2), or -1 if not enough bytes were
+ * available.
+ */
+ int
+get_bytes_from_buf(char_u *buf, char_u *bytes, int num_bytes)
+{
+ int len = 0;
+ int i;
+ char_u c;
+
+ for (i = 0; i < num_bytes; i++)
+ {
+ if ((c = buf[len++]) == NUL)
+ return -1;
+ if (c == K_SPECIAL)
+ {
+ if (buf[len] == NUL || buf[len + 1] == NUL) // cannot happen?
+ return -1;
+ if (buf[len++] == (int)KS_ZERO)
+ c = NUL;
+ // else it should be KS_SPECIAL; when followed by KE_FILLER c is
+ // K_SPECIAL, or followed by KE_CSI and c must be CSI.
+ if (buf[len++] == (int)KE_CSI)
+ c = CSI;
+ }
+ else if (c == CSI && buf[len] == KS_EXTRA
+ && buf[len + 1] == (int)KE_CSI)
+ // CSI is stored as CSI KS_SPECIAL KE_CSI to avoid confusion with
+ // the start of a special key, see add_to_input_buf_csi().
+ len += 2;
+ bytes[i] = c;
+ }
+ return len;
+}
+
+/*
+ * Check if the new shell size is valid, correct it if it's too small or way
+ * too big.
+ */
+ void
+check_shellsize(void)
+{
+ if (Rows < min_rows()) // need room for one window and command line
+ Rows = min_rows();
+ limit_screen_size();
+
+ // make sure these values are not invalid
+ if (cmdline_row >= Rows)
+ cmdline_row = Rows - 1;
+ if (msg_row >= Rows)
+ msg_row = Rows - 1;
+}
+
+/*
+ * Limit Rows and Columns to avoid an overflow in Rows * Columns.
+ */
+ void
+limit_screen_size(void)
+{
+ if (Columns < MIN_COLUMNS)
+ Columns = MIN_COLUMNS;
+ else if (Columns > 10000)
+ Columns = 10000;
+ if (Rows > 1000)
+ Rows = 1000;
+}
+
+/*
+ * Invoked just before the screen structures are going to be (re)allocated.
+ */
+ void
+win_new_shellsize(void)
+{
+ static int old_Rows = 0;
+ static int old_Columns = 0;
+
+ if (old_Rows != Rows || old_Columns != Columns)
+ ui_new_shellsize();
+ if (old_Rows != Rows)
+ {
+ // If 'window' uses the whole screen, keep it using that.
+ // Don't change it when set with "-w size" on the command line.
+ if (p_window == old_Rows - 1
+ || (old_Rows == 0 && !option_was_set((char_u *)"window")))
+ p_window = Rows - 1;
+ old_Rows = Rows;
+ shell_new_rows(); // update window sizes
+ }
+ if (old_Columns != Columns)
+ {
+ old_Columns = Columns;
+ shell_new_columns(); // update window sizes
+ }
+}
+
+/*
+ * Call this function when the Vim shell has been resized in any way.
+ * Will obtain the current size and redraw (also when size didn't change).
+ */
+ void
+shell_resized(void)
+{
+ set_shellsize(0, 0, FALSE);
+}
+
+/*
+ * Check if the shell size changed. Handle a resize.
+ * When the size didn't change, nothing happens.
+ */
+ void
+shell_resized_check(void)
+{
+ int old_Rows = Rows;
+ int old_Columns = Columns;
+
+ if (exiting
+#ifdef FEAT_GUI
+ // Do not get the size when executing a shell command during
+ // startup.
+ || gui.starting
+#endif
+ )
+ return;
+
+ (void)ui_get_shellsize();
+ check_shellsize();
+ if (old_Rows != Rows || old_Columns != Columns)
+ shell_resized();
+}
+
+/*
+ * Set size of the Vim shell.
+ * If 'mustset' is TRUE, we must set Rows and Columns, do not get the real
+ * window size (this is used for the :win command).
+ * If 'mustset' is FALSE, we may try to get the real window size and if
+ * it fails use 'width' and 'height'.
+ */
+ static void
+set_shellsize_inner(int width, int height, int mustset)
+{
+ if (updating_screen)
+ // resizing while in update_screen() may cause a crash
+ return;
+
+ // curwin->w_buffer can be NULL when we are closing a window and the
+ // buffer (or window) has already been closed and removing a scrollbar
+ // causes a resize event. Don't resize then, it will happen after entering
+ // another buffer.
+ if (curwin->w_buffer == NULL || curwin->w_lines == NULL)
+ return;
+
+#ifdef AMIGA
+ out_flush(); // must do this before mch_get_shellsize() for
+ // some obscure reason
+#endif
+
+ if (mustset || (ui_get_shellsize() == FAIL && height != 0))
+ {
+ Rows = height;
+ Columns = width;
+ check_shellsize();
+ ui_set_shellsize(mustset);
+ }
+ else
+ check_shellsize();
+
+ // The window layout used to be adjusted here, but it now happens in
+ // screenalloc() (also invoked from screenclear()). That is because the
+ // "busy" check above may skip this, but not screenalloc().
+
+ if (State != MODE_ASKMORE && State != MODE_EXTERNCMD
+ && State != MODE_CONFIRM)
+ screenclear();
+ else
+ screen_start(); // don't know where cursor is now
+
+ if (starting != NO_SCREEN)
+ {
+ maketitle();
+
+ changed_line_abv_curs();
+ invalidate_botline();
+
+ /*
+ * We only redraw when it's needed:
+ * - While at the more prompt or executing an external command, don't
+ * redraw, but position the cursor.
+ * - While editing the command line, only redraw that.
+ * - in Ex mode, don't redraw anything.
+ * - Otherwise, redraw right now, and position the cursor.
+ * Always need to call update_screen() or screenalloc(), to make
+ * sure Rows/Columns and the size of ScreenLines[] is correct!
+ */
+ if (State == MODE_ASKMORE || State == MODE_EXTERNCMD
+ || State == MODE_CONFIRM || exmode_active)
+ {
+ screenalloc(FALSE);
+ repeat_message();
+ }
+ else
+ {
+ if (curwin->w_p_scb)
+ do_check_scrollbind(TRUE);
+ if (State & MODE_CMDLINE)
+ {
+ update_screen(UPD_NOT_VALID);
+ redrawcmdline();
+ }
+ else
+ {
+ update_topline();
+ if (pum_visible())
+ {
+ redraw_later(UPD_NOT_VALID);
+ ins_compl_show_pum();
+ }
+ update_screen(UPD_NOT_VALID);
+ if (redrawing())
+ setcursor();
+ }
+ }
+ cursor_on(); // redrawing may have switched it off
+ }
+ out_flush();
+}
+
+ void
+set_shellsize(int width, int height, int mustset)
+{
+ static int busy = FALSE;
+ static int do_run = FALSE;
+
+ if (width < 0 || height < 0) // just checking...
+ return;
+
+ if (State == MODE_HITRETURN || State == MODE_SETWSIZE)
+ {
+ // postpone the resizing
+ State = MODE_SETWSIZE;
+ return;
+ }
+
+ // Avoid recursiveness. This can happen when setting the window size
+ // causes another window-changed signal or when two SIGWINCH signals come
+ // very close together. There needs to be another run then after the
+ // current one is done to pick up the latest size.
+ do_run = TRUE;
+ if (busy)
+ return;
+
+ while (do_run)
+ {
+ do_run = FALSE;
+ busy = TRUE;
+ set_shellsize_inner(width, height, mustset);
+ busy = FALSE;
+ }
+}
+
+/*
+ * Output T_CTE, the t_TE termcap entry, and handle expected effects.
+ * The code possibly disables modifyOtherKeys and the Kitty keyboard protocol.
+ */
+ void
+out_str_t_TE(void)
+{
+ out_str(T_CTE);
+
+ // The seenModifyOtherKeys flag is not reset here. We do expect t_TE to
+ // disable modifyOtherKeys, but until Xterm version 377 there is no way to
+ // detect it's enabled again after the following t_TI. We assume that when
+ // seenModifyOtherKeys was set before it will still be valid.
+
+ // When the modifyOtherKeys level is detected to be 2 we expect t_TE to
+ // disable it. Remembering that it was detected to be enabled is useful in
+ // some situations.
+ // The following t_TI is expected to request the state and then
+ // modify_otherkeys_state will be set again.
+ if (modify_otherkeys_state == MOKS_ENABLED
+ || modify_otherkeys_state == MOKS_DISABLED)
+ modify_otherkeys_state = MOKS_DISABLED;
+ else if (modify_otherkeys_state != MOKS_INITIAL)
+ modify_otherkeys_state = MOKS_AFTER_T_TE;
+
+ // When the kitty keyboard protocol is enabled we expect t_TE to disable
+ // it. Remembering that it was detected to be enabled is useful in some
+ // situations.
+ // The following t_TI is expected to request the state and then
+ // kitty_protocol_state will be set again.
+ if (kitty_protocol_state == KKPS_ENABLED
+ || kitty_protocol_state == KKPS_DISABLED)
+ kitty_protocol_state = KKPS_DISABLED;
+ else
+ kitty_protocol_state = KKPS_AFTER_T_TE;
+}
+
+static int send_t_RK = FALSE;
+
+/*
+ * Output T_TI and setup for what follows.
+ */
+ void
+out_str_t_TI(void)
+{
+ out_str(T_CTI);
+
+ // Send t_RK when there is no more work to do.
+ send_t_RK = TRUE;
+}
+
+/*
+ * Output T_BE, but only when t_PS and t_PE are set.
+ */
+ void
+out_str_t_BE(void)
+{
+ char_u *p;
+
+ if (T_BE == NULL || *T_BE == NUL
+ || (p = find_termcode((char_u *)"PS")) == NULL || *p == NUL
+ || (p = find_termcode((char_u *)"PE")) == NULL || *p == NUL)
+ return;
+ out_str(T_BE);
+}
+
+/*
+ * If t_TI was recently sent and there is no typeahead or work to do, now send
+ * t_RK. This is postponed to avoid the response arriving in a shell command
+ * or after Vim exits.
+ */
+ void
+may_send_t_RK(void)
+{
+ if (send_t_RK
+ && !work_pending()
+ && !ex_normal_busy
+#ifdef FEAT_EVAL
+ && !in_feedkeys
+#endif
+ && !exiting)
+ {
+ send_t_RK = FALSE;
+ out_str(T_CRK);
+ out_flush();
+ }
+}
+
+/*
+ * Set the terminal to TMODE_RAW (for Normal mode) or TMODE_COOK (for external
+ * commands and Ex mode).
+ */
+ void
+settmode(tmode_T tmode)
+{
+#ifdef FEAT_GUI
+ // don't set the term where gvim was started to any mode
+ if (gui.in_use)
+ return;
+#endif
+
+ if (!full_screen)
+ return;
+
+ /*
+ * When returning after calling a shell cur_tmode is TMODE_UNKNOWN,
+ * set the terminal to raw mode, even though we think it already is,
+ * because the shell program may have reset the terminal mode.
+ * When we think the terminal is normal, don't try to set it to
+ * normal again, because that causes problems (logout!) on some
+ * machines.
+ */
+ if (tmode != cur_tmode)
+ {
+#ifdef FEAT_TERMRESPONSE
+# ifdef FEAT_GUI
+ if (!gui.in_use && !gui.starting)
+# endif
+ {
+ // May need to check for T_CRV response and termcodes, it
+ // doesn't work in Cooked mode, an external program may get
+ // them.
+ if (tmode != TMODE_RAW && termrequest_any_pending())
+ (void)vpeekc_nomap();
+ check_for_codes_from_term();
+ }
+#endif
+ if (tmode != TMODE_RAW)
+ mch_setmouse(FALSE); // switch mouse off
+
+ // Disable bracketed paste and modifyOtherKeys in cooked mode.
+ // Avoid doing this too often, on some terminals the codes are not
+ // handled properly.
+ if (termcap_active && tmode != TMODE_SLEEP
+ && cur_tmode != TMODE_SLEEP)
+ {
+ MAY_WANT_TO_LOG_THIS;
+
+ if (tmode != TMODE_RAW)
+ {
+ out_str(T_BD); // disable bracketed paste mode
+ out_str_t_TE(); // possibly disables modifyOtherKeys
+ }
+ else
+ {
+ out_str_t_BE(); // enable bracketed paste mode (should
+ // be before mch_settmode().
+ out_str_t_TI(); // possibly enables modifyOtherKeys
+ }
+ }
+ out_flush();
+ mch_settmode(tmode); // machine specific function
+ cur_tmode = tmode;
+ if (tmode == TMODE_RAW)
+ setmouse(); // may switch mouse on
+ out_flush();
+ }
+#ifdef FEAT_TERMRESPONSE
+ may_req_termresponse();
+#endif
+}
+
+ void
+starttermcap(void)
+{
+ if (!full_screen || termcap_active)
+ return;
+
+ MAY_WANT_TO_LOG_THIS;
+
+ out_str(T_TI); // start termcap mode
+ out_str_t_TI(); // start "raw" mode
+ out_str(T_KS); // start "keypad transmit" mode
+ out_str_t_BE(); // enable bracketed paste mode
+
+#if defined(UNIX) || defined(VMS)
+ // Enable xterm's focus reporting mode when 'esckeys' is set.
+ if (p_ek && *T_FE != NUL)
+ out_str(T_FE);
+#endif
+
+ out_flush();
+ termcap_active = TRUE;
+ screen_start(); // don't know where cursor is now
+#ifdef FEAT_TERMRESPONSE
+# ifdef FEAT_GUI
+ if (!gui.in_use && !gui.starting)
+# endif
+ {
+ may_req_termresponse();
+ // Immediately check for a response. If t_Co changes, we don't
+ // want to redraw with wrong colors first.
+ if (crv_status.tr_progress == STATUS_SENT)
+ check_for_codes_from_term();
+ }
+#endif
+}
+
+ void
+stoptermcap(void)
+{
+ screen_stop_highlight();
+ reset_cterm_colors();
+
+ if (!termcap_active)
+ return;
+
+#ifdef FEAT_TERMRESPONSE
+# ifdef FEAT_GUI
+ if (!gui.in_use && !gui.starting)
+# endif
+ {
+ // May need to discard T_CRV, T_U7 or T_RBG response.
+ if (termrequest_any_pending())
+ {
+# ifdef UNIX
+ // Give the terminal a chance to respond.
+ mch_delay(100L, 0);
+# endif
+# ifdef TCIFLUSH
+ // Discard data received but not read.
+ if (exiting)
+ tcflush(fileno(stdin), TCIFLUSH);
+# endif
+ }
+ // Check for termcodes first, otherwise an external program may
+ // get them.
+ check_for_codes_from_term();
+ }
+#endif
+ MAY_WANT_TO_LOG_THIS;
+
+#if defined(UNIX) || defined(VMS)
+ // Disable xterm's focus reporting mode if 'esckeys' is set.
+ if (p_ek && *T_FD != NUL)
+ out_str(T_FD);
+#endif
+
+ out_str(T_BD); // disable bracketed paste mode
+ out_str(T_KE); // stop "keypad transmit" mode
+ out_flush();
+ termcap_active = FALSE;
+
+ // Output t_te before t_TE, t_te may switch between main and alternate
+ // screen and following codes may work on the active screen only.
+ //
+ // When using the Kitty keyboard protocol the main and alternate screen
+ // use a separate state. If we are (or were) using the Kitty keyboard
+ // protocol and t_te is not empty (possibly switching screens) then
+ // output t_TE both before and after outputting t_te.
+ if (*T_TE != NUL && (kitty_protocol_state == KKPS_ENABLED
+ || kitty_protocol_state == KKPS_DISABLED))
+ out_str_t_TE(); // probably disables the kitty keyboard
+ // protocol
+
+ out_str(T_TE); // stop termcap mode
+ cursor_on(); // just in case it is still off
+ out_str_t_TE(); // stop "raw" mode, modifyOtherKeys and
+ // Kitty keyboard protocol
+ screen_start(); // don't know where cursor is now
+ out_flush();
+}
+
+#if defined(FEAT_TERMRESPONSE) || defined(PROTO)
+/*
+ * Request version string (for xterm) when needed.
+ * Only do this after switching to raw mode, otherwise the result will be
+ * echoed.
+ * Only do this after startup has finished, to avoid that the response comes
+ * while executing "-c !cmd" or even after "-c quit".
+ * Only do this after termcap mode has been started, otherwise the codes for
+ * the cursor keys may be wrong.
+ * Only do this when 'esckeys' is on, otherwise the response causes trouble in
+ * Insert mode.
+ * On Unix only do it when both output and input are a tty (avoid writing
+ * request to terminal while reading from a file).
+ * The result is caught in check_termcode().
+ */
+ void
+may_req_termresponse(void)
+{
+ if (crv_status.tr_progress == STATUS_GET
+ && can_get_termresponse()
+ && starting == 0
+ && *T_CRV != NUL)
+ {
+ MAY_WANT_TO_LOG_THIS;
+ LOG_TR(("Sending CRV request"));
+ out_str(T_CRV);
+ termrequest_sent(&crv_status);
+ // check for the characters now, otherwise they might be eaten by
+ // get_keystroke()
+ out_flush();
+ (void)vpeekc_nomap();
+ }
+}
+
+/*
+ * Send sequences to the terminal and check with t_u7 how the cursor moves, to
+ * find out properties of the terminal.
+ * Note that this goes out before T_CRV, so that the result can be used when
+ * the termresponse arrives.
+ */
+ void
+check_terminal_behavior(void)
+{
+ int did_send = FALSE;
+
+ if (!can_get_termresponse() || starting != 0 || *T_U7 == NUL)
+ return;
+
+ if (u7_status.tr_progress == STATUS_GET
+ && !option_was_set((char_u *)"ambiwidth"))
+ {
+ char_u buf[16];
+
+ // Ambiguous width check.
+ // Check how the terminal treats ambiguous character width (UAX #11).
+ // First, we move the cursor to (1, 0) and print a test ambiguous
+ // character \u25bd (WHITE DOWN-POINTING TRIANGLE) and then query
+ // the current cursor position. If the terminal treats \u25bd as
+ // single width, the position is (1, 1), or if it is treated as double
+ // width, that will be (1, 2). This function has the side effect that
+ // changes cursor position, so it must be called immediately after
+ // entering termcap mode.
+ MAY_WANT_TO_LOG_THIS;
+ LOG_TR(("Sending request for ambiwidth check"));
+ // Do this in the second row. In the first row the returned sequence
+ // may be CSI 1;2R, which is the same as <S-F3>.
+ term_windgoto(1, 0);
+ buf[mb_char2bytes(0x25bd, buf)] = NUL;
+ out_str(buf);
+ out_str(T_U7);
+ termrequest_sent(&u7_status);
+ out_flush();
+ did_send = TRUE;
+
+ // This overwrites a few characters on the screen, a redraw is needed
+ // after this. Clear them out for now.
+ screen_stop_highlight();
+ term_windgoto(1, 0);
+ out_str((char_u *)" ");
+ line_was_clobbered(1);
+ }
+
+ if (xcc_status.tr_progress == STATUS_GET && Rows > 2)
+ {
+ // 2. Check compatibility with xterm.
+ // We move the cursor to (2, 0), print a test sequence and then query
+ // the current cursor position. If the terminal properly handles
+ // unknown DCS string and CSI sequence with intermediate byte, the test
+ // sequence is ignored and the cursor does not move. If the terminal
+ // handles test sequence incorrectly, a garbage string is displayed and
+ // the cursor does move.
+ MAY_WANT_TO_LOG_THIS;
+ LOG_TR(("Sending xterm compatibility test sequence."));
+ // Do this in the third row. Second row is used by ambiguous
+ // character width check.
+ term_windgoto(2, 0);
+ // send the test DCS string.
+ out_str((char_u *)"\033Pzz\033\\");
+ // send the test CSI sequence with intermediate byte.
+ out_str((char_u *)"\033[0%m");
+ out_str(T_U7);
+ termrequest_sent(&xcc_status);
+ out_flush();
+ did_send = TRUE;
+
+ // If the terminal handles test sequence incorrectly, garbage text is
+ // displayed. Clear them out for now.
+ screen_stop_highlight();
+ term_windgoto(2, 0);
+ out_str((char_u *)" ");
+ line_was_clobbered(2);
+ }
+
+ if (did_send)
+ {
+ term_windgoto(0, 0);
+
+ // Need to reset the known cursor position.
+ screen_start();
+
+ // check for the characters now, otherwise they might be eaten by
+ // get_keystroke()
+ out_flush();
+ (void)vpeekc_nomap();
+ }
+}
+
+/*
+ * Similar to requesting the version string: Request the terminal background
+ * color when it is the right moment.
+ */
+ void
+may_req_bg_color(void)
+{
+ if (can_get_termresponse() && starting == 0)
+ {
+ int didit = FALSE;
+
+# ifdef FEAT_TERMINAL
+ // Only request foreground if t_RF is set.
+ if (rfg_status.tr_progress == STATUS_GET && *T_RFG != NUL)
+ {
+ MAY_WANT_TO_LOG_THIS;
+ LOG_TR(("Sending FG request"));
+ out_str(T_RFG);
+ termrequest_sent(&rfg_status);
+ didit = TRUE;
+ }
+# endif
+
+ // Only request background if t_RB is set.
+ if (rbg_status.tr_progress == STATUS_GET && *T_RBG != NUL)
+ {
+ MAY_WANT_TO_LOG_THIS;
+ LOG_TR(("Sending BG request"));
+ out_str(T_RBG);
+ termrequest_sent(&rbg_status);
+ didit = TRUE;
+ }
+
+ if (didit)
+ {
+ // check for the characters now, otherwise they might be eaten by
+ // get_keystroke()
+ out_flush();
+ (void)vpeekc_nomap();
+ }
+ }
+}
+
+# ifdef DEBUG_TERMRESPONSE
+ static void
+log_tr(const char *fmt, ...)
+{
+ static FILE *fd_tr = NULL;
+ static proftime_T start;
+ proftime_T now;
+ va_list ap;
+
+ if (fd_tr == NULL)
+ {
+ fd_tr = fopen("termresponse.log", "w");
+ profile_start(&start);
+ }
+ now = start;
+ profile_end(&now);
+ fprintf(fd_tr, "%s: %s ", profile_msg(&now),
+ must_redraw == UPD_NOT_VALID ? "NV"
+ : must_redraw == UPD_CLEAR ? "CL" : " ");
+ va_start(ap, fmt);
+ vfprintf(fd_tr, fmt, ap);
+ va_end(ap);
+ fputc('\n', fd_tr);
+ fflush(fd_tr);
+}
+# endif
+#endif
+
+/*
+ * Return TRUE when saving and restoring the screen.
+ */
+ int
+swapping_screen(void)
+{
+ return (full_screen && *T_TI != NUL);
+}
+
+/*
+ * By outputting the 'cursor very visible' termcap code, for some windowed
+ * terminals this makes the screen scrolled to the correct position.
+ * Used when starting Vim or returning from a shell.
+ */
+ void
+scroll_start(void)
+{
+ if (*T_VS == NUL || *T_CVS == NUL)
+ return;
+
+ MAY_WANT_TO_LOG_THIS;
+ out_str(T_VS);
+ out_str(T_CVS);
+ screen_start(); // don't know where cursor is now
+}
+
+// True if cursor is not visible
+static int cursor_is_off = FALSE;
+
+// True if cursor is not visible due to an ongoing cursor-less sleep
+static int cursor_is_asleep = FALSE;
+
+/*
+ * Enable the cursor without checking if it's already enabled.
+ */
+ void
+cursor_on_force(void)
+{
+ out_str(T_VE);
+ cursor_is_off = FALSE;
+ cursor_is_asleep = FALSE;
+}
+
+/*
+ * Enable the cursor if it's currently off.
+ */
+ void
+cursor_on(void)
+{
+ if (cursor_is_off && !cursor_is_asleep)
+ cursor_on_force();
+}
+
+/*
+ * Disable the cursor.
+ */
+ void
+cursor_off(void)
+{
+ if (full_screen && !cursor_is_off)
+ {
+ out_str(T_VI); // disable cursor
+ cursor_is_off = TRUE;
+ }
+}
+
+#ifdef FEAT_GUI
+/*
+ * Check whether the cursor is invisible due to an ongoing cursor-less sleep
+ */
+ int
+cursor_is_sleeping(void)
+{
+ return cursor_is_asleep;
+}
+#endif
+
+/*
+ * Disable the cursor and mark it disabled by cursor-less sleep
+ */
+ void
+cursor_sleep(void)
+{
+ cursor_is_asleep = TRUE;
+ cursor_off();
+}
+
+/*
+ * Enable the cursor and mark it not disabled by cursor-less sleep
+ */
+ void
+cursor_unsleep(void)
+{
+ cursor_is_asleep = FALSE;
+ cursor_on();
+}
+
+#if defined(CURSOR_SHAPE) || defined(PROTO)
+/*
+ * Set cursor shape to match Insert or Replace mode.
+ */
+ void
+term_cursor_mode(int forced)
+{
+ static int showing_mode = -1;
+ char_u *p;
+
+ // Only do something when redrawing the screen and we can restore the
+ // mode.
+ if (!full_screen || *T_CEI == NUL)
+ {
+# ifdef FEAT_TERMRESPONSE
+ if (forced && initial_cursor_shape > 0)
+ // Restore to initial values.
+ term_cursor_shape(initial_cursor_shape, initial_cursor_blink);
+# endif
+ return;
+ }
+
+ if ((State & MODE_REPLACE) == MODE_REPLACE)
+ {
+ if (forced || showing_mode != MODE_REPLACE)
+ {
+ if (*T_CSR != NUL)
+ p = T_CSR; // Replace mode cursor
+ else
+ p = T_CSI; // fall back to Insert mode cursor
+ if (*p != NUL)
+ {
+ out_str(p);
+ showing_mode = MODE_REPLACE;
+ }
+ }
+ }
+ else if (State & MODE_INSERT)
+ {
+ if ((forced || showing_mode != MODE_INSERT) && *T_CSI != NUL)
+ {
+ out_str(T_CSI); // Insert mode cursor
+ showing_mode = MODE_INSERT;
+ }
+ }
+ else if (forced || showing_mode != MODE_NORMAL)
+ {
+ out_str(T_CEI); // non-Insert mode cursor
+ showing_mode = MODE_NORMAL;
+ }
+}
+
+# if defined(FEAT_TERMINAL) || defined(PROTO)
+ void
+term_cursor_color(char_u *color)
+{
+ if (*T_CSC == NUL)
+ return;
+
+ out_str(T_CSC); // set cursor color start
+ out_str_nf(color);
+ out_str(T_CEC); // set cursor color end
+ out_flush();
+}
+# endif
+
+ int
+blink_state_is_inverted(void)
+{
+#ifdef FEAT_TERMRESPONSE
+ return rbm_status.tr_progress == STATUS_GOT
+ && rcs_status.tr_progress == STATUS_GOT
+ && initial_cursor_blink != initial_cursor_shape_blink;
+#else
+ return FALSE;
+#endif
+}
+
+/*
+ * "shape": 1 = block, 2 = underline, 3 = vertical bar
+ */
+ void
+term_cursor_shape(int shape, int blink)
+{
+ if (*T_CSH != NUL)
+ {
+ OUT_STR(tgoto((char *)T_CSH, 0, shape * 2 - blink));
+ out_flush();
+ }
+ else
+ {
+ int do_blink = blink;
+
+ // t_SH is empty: try setting just the blink state.
+ // The blink flags are XORed together, if the initial blinking from
+ // style and shape differs, we need to invert the flag here.
+ if (blink_state_is_inverted())
+ do_blink = !blink;
+
+ if (do_blink && *T_VS != NUL)
+ {
+ out_str(T_VS);
+ out_flush();
+ }
+ else if (!do_blink && *T_CVS != NUL)
+ {
+ out_str(T_CVS);
+ out_flush();
+ }
+ }
+}
+#endif
+
+/*
+ * Set scrolling region for window 'wp'.
+ * The region starts 'off' lines from the start of the window.
+ * Also set the vertical scroll region for a vertically split window. Always
+ * the full width of the window, excluding the vertical separator.
+ */
+ void
+scroll_region_set(win_T *wp, int off)
+{
+ OUT_STR(tgoto((char *)T_CS, W_WINROW(wp) + wp->w_height - 1,
+ W_WINROW(wp) + off));
+ if (*T_CSV != NUL && wp->w_width != Columns)
+ OUT_STR(tgoto((char *)T_CSV, wp->w_wincol + wp->w_width - 1,
+ wp->w_wincol));
+ screen_start(); // don't know where cursor is now
+}
+
+/*
+ * Reset scrolling region to the whole screen.
+ */
+ void
+scroll_region_reset(void)
+{
+ OUT_STR(tgoto((char *)T_CS, (int)Rows - 1, 0));
+ if (*T_CSV != NUL)
+ OUT_STR(tgoto((char *)T_CSV, (int)Columns - 1, 0));
+ screen_start(); // don't know where cursor is now
+}
+
+
+/*
+ * List of terminal codes that are currently recognized.
+ */
+
+static struct termcode
+{
+ char_u name[2]; // termcap name of entry
+ char_u *code; // terminal code (in allocated memory)
+ int len; // STRLEN(code)
+ int modlen; // length of part before ";*~".
+} *termcodes = NULL;
+
+static int tc_max_len = 0; // number of entries that termcodes[] can hold
+static int tc_len = 0; // current number of entries in termcodes[]
+
+static int termcode_star(char_u *code, int len);
+
+ void
+clear_termcodes(void)
+{
+ while (tc_len > 0)
+ vim_free(termcodes[--tc_len].code);
+ VIM_CLEAR(termcodes);
+ tc_max_len = 0;
+
+#ifdef HAVE_TGETENT
+ BC = (char *)empty_option;
+ UP = (char *)empty_option;
+ PC = NUL; // set pad character to NUL
+ ospeed = 0;
+#endif
+
+ need_gather = TRUE; // need to fill termleader[]
+}
+
+#define ATC_FROM_TERM 55
+
+/*
+ * For xterm we recognize special codes like "ESC[42;*X" and "ESC O*X" that
+ * accept modifiers.
+ * Set "termcodes[idx].modlen".
+ */
+ static void
+adjust_modlen(int idx)
+{
+ termcodes[idx].modlen = 0;
+ int j = termcode_star(termcodes[idx].code, termcodes[idx].len);
+ if (j <= 0)
+ return;
+
+ termcodes[idx].modlen = termcodes[idx].len - 1 - j;
+ // For "CSI[@;X" the "@" is not included in "modlen".
+ if (termcodes[idx].code[termcodes[idx].modlen - 1] == '@')
+ --termcodes[idx].modlen;
+}
+
+/*
+ * Add a new entry for "name[2]" to the list of terminal codes.
+ * Note that "name" may not have a terminating NUL.
+ * The list is kept alphabetical for ":set termcap"
+ * "flags" is TRUE when replacing 7-bit by 8-bit controls is desired.
+ * "flags" can also be ATC_FROM_TERM for got_code_from_term().
+ */
+ void
+add_termcode(char_u *name, char_u *string, int flags)
+{
+ struct termcode *new_tc;
+ int i, j;
+ char_u *s;
+ int len;
+#ifdef FEAT_EVAL
+ char *action = "Setting";
+#endif
+
+ if (string == NULL || *string == NUL)
+ {
+ del_termcode(name);
+ return;
+ }
+
+#if defined(MSWIN) && !defined(FEAT_GUI)
+ s = vim_strnsave(string, STRLEN(string) + 1);
+#else
+# ifdef VIMDLL
+ if (!gui.in_use)
+ s = vim_strnsave(string, STRLEN(string) + 1);
+ else
+# endif
+ s = vim_strsave(string);
+#endif
+ if (s == NULL)
+ return;
+
+ // Change leading <Esc>[ to CSI, change <Esc>O to <M-O>.
+ if (flags != 0 && flags != ATC_FROM_TERM && term_7to8bit(string) != 0)
+ {
+ STRMOVE(s, s + 1);
+ s[0] = term_7to8bit(string);
+ }
+
+#if defined(MSWIN) && (!defined(FEAT_GUI) || defined(VIMDLL))
+# ifdef VIMDLL
+ if (!gui.in_use)
+# endif
+ {
+ if (s[0] == K_NUL)
+ {
+ STRMOVE(s + 1, s);
+ s[1] = 3;
+ }
+ }
+#endif
+
+ len = (int)STRLEN(s);
+
+ need_gather = TRUE; // need to fill termleader[]
+
+ /*
+ * need to make space for more entries
+ */
+ if (tc_len == tc_max_len)
+ {
+ tc_max_len += 20;
+ new_tc = ALLOC_MULT(struct termcode, tc_max_len);
+ if (new_tc == NULL)
+ {
+ tc_max_len -= 20;
+ vim_free(s);
+ return;
+ }
+ for (i = 0; i < tc_len; ++i)
+ new_tc[i] = termcodes[i];
+ vim_free(termcodes);
+ termcodes = new_tc;
+ }
+
+ /*
+ * Look for existing entry with the same name, it is replaced.
+ * Look for an existing entry that is alphabetical higher, the new entry
+ * is inserted in front of it.
+ */
+ for (i = 0; i < tc_len; ++i)
+ {
+ if (termcodes[i].name[0] < name[0])
+ continue;
+ if (termcodes[i].name[0] == name[0])
+ {
+ if (termcodes[i].name[1] < name[1])
+ continue;
+ /*
+ * Exact match: May replace old code.
+ */
+ if (termcodes[i].name[1] == name[1])
+ {
+ if (flags == ATC_FROM_TERM && (j = termcode_star(
+ termcodes[i].code, termcodes[i].len)) > 0)
+ {
+ // Don't replace ESC[123;*X or ESC O*X with another when
+ // invoked from got_code_from_term().
+ if (len == termcodes[i].len - j
+ && STRNCMP(s, termcodes[i].code, len - 1) == 0
+ && s[len - 1]
+ == termcodes[i].code[termcodes[i].len - 1])
+ {
+ // They are equal but for the ";*": don't add it.
+#ifdef FEAT_EVAL
+ ch_log(NULL, "Termcap entry %c%c did not change",
+ name[0], name[1]);
+#endif
+ vim_free(s);
+ return;
+ }
+ }
+ else
+ {
+ // Replace old code.
+#ifdef FEAT_EVAL
+ ch_log(NULL, "Termcap entry %c%c was: %s",
+ name[0], name[1], termcodes[i].code);
+#endif
+ vim_free(termcodes[i].code);
+ --tc_len;
+ break;
+ }
+ }
+ }
+ /*
+ * Found alphabetical larger entry, move rest to insert new entry
+ */
+#ifdef FEAT_EVAL
+ action = "Adding";
+#endif
+ for (j = tc_len; j > i; --j)
+ termcodes[j] = termcodes[j - 1];
+ break;
+ }
+
+#ifdef FEAT_EVAL
+ ch_log(NULL, "%s termcap entry %c%c to %s", action, name[0], name[1], s);
+#endif
+ termcodes[i].name[0] = name[0];
+ termcodes[i].name[1] = name[1];
+ termcodes[i].code = s;
+ termcodes[i].len = len;
+ adjust_modlen(i);
+
+ ++tc_len;
+}
+
+/*
+ * Some function keys may include modifiers, but the terminfo/termcap entries
+ * do not indicate that. Insert ";*" where we expect modifiers might appear.
+ */
+ static void
+accept_modifiers_for_function_keys(void)
+{
+ regmatch_T regmatch;
+ CLEAR_FIELD(regmatch);
+ regmatch.rm_ic = TRUE;
+ regmatch.regprog = vim_regcomp((char_u *)"^\033[\\d\\+\\~$", RE_MAGIC);
+
+ for (int i = 0; i < tc_len; ++i)
+ {
+ if (regmatch.regprog == NULL)
+ return;
+
+ // skip PasteStart and PasteEnd
+ if (termcodes[i].name[0] == 'P'
+ && (termcodes[i].name[1] == 'S' || termcodes[i].name[1] == 'E'))
+ continue;
+
+ char_u *s = termcodes[i].code;
+ if (s != NULL && vim_regexec(&regmatch, s, (colnr_T)0))
+ {
+ size_t len = STRLEN(s);
+ char_u *ns = alloc(len + 3);
+ if (ns != NULL)
+ {
+ mch_memmove(ns, s, len - 1);
+ mch_memmove(ns + len - 1, ";*~", 4);
+ vim_free(s);
+ termcodes[i].code = ns;
+ termcodes[i].len += 2;
+ adjust_modlen(i);
+ }
+ }
+ }
+
+ vim_regfree(regmatch.regprog);
+}
+
+/*
+ * Check termcode "code[len]" for ending in ;*X or *X.
+ * The "X" can be any character.
+ * Return 0 if not found, 2 for ;*X and 1 for *X.
+ */
+ static int
+termcode_star(char_u *code, int len)
+{
+ // Shortest is <M-O>*X. With ; shortest is <CSI>@;*X
+ if (len >= 3 && code[len - 2] == '*')
+ {
+ if (len >= 5 && code[len - 3] == ';')
+ return 2;
+ else
+ return 1;
+ }
+ return 0;
+}
+
+ char_u *
+find_termcode(char_u *name)
+{
+ int i;
+
+ for (i = 0; i < tc_len; ++i)
+ if (termcodes[i].name[0] == name[0] && termcodes[i].name[1] == name[1])
+ return termcodes[i].code;
+ return NULL;
+}
+
+ char_u *
+get_termcode(int i)
+{
+ if (i >= tc_len)
+ return NULL;
+ return &termcodes[i].name[0];
+}
+
+/*
+ * Returns the length of the terminal code at index 'idx'.
+ */
+ int
+get_termcode_len(int idx)
+{
+ return termcodes[idx].len;
+}
+
+ void
+del_termcode(char_u *name)
+{
+ int i;
+
+ if (termcodes == NULL) // nothing there yet
+ return;
+
+ need_gather = TRUE; // need to fill termleader[]
+
+ for (i = 0; i < tc_len; ++i)
+ if (termcodes[i].name[0] == name[0] && termcodes[i].name[1] == name[1])
+ {
+ del_termcode_idx(i);
+ return;
+ }
+ // not found. Give error message?
+}
+
+ static void
+del_termcode_idx(int idx)
+{
+ int i;
+
+ vim_free(termcodes[idx].code);
+ --tc_len;
+ for (i = idx; i < tc_len; ++i)
+ termcodes[i] = termcodes[i + 1];
+}
+
+/*
+ * Called when detected that the terminal sends 8-bit codes.
+ * Convert all 7-bit codes to their 8-bit equivalent.
+ */
+ static void
+switch_to_8bit(void)
+{
+ int i;
+ int c;
+
+ // Only need to do something when not already using 8-bit codes.
+ if (!term_is_8bit(T_NAME))
+ {
+ for (i = 0; i < tc_len; ++i)
+ {
+ c = term_7to8bit(termcodes[i].code);
+ if (c != 0)
+ {
+ STRMOVE(termcodes[i].code + 1, termcodes[i].code + 2);
+ termcodes[i].code[0] = c;
+ }
+ }
+ need_gather = TRUE; // need to fill termleader[]
+ }
+ detected_8bit = TRUE;
+ LOG_TR(("Switching to 8 bit"));
+}
+
+#ifdef CHECK_DOUBLE_CLICK
+static linenr_T orig_topline = 0;
+# ifdef FEAT_DIFF
+static int orig_topfill = 0;
+# endif
+#endif
+#if defined(CHECK_DOUBLE_CLICK) || defined(PROTO)
+/*
+ * Checking for double-clicks ourselves.
+ * "orig_topline" is used to avoid detecting a double-click when the window
+ * contents scrolled (e.g., when 'scrolloff' is non-zero).
+ */
+/*
+ * Set orig_topline. Used when jumping to another window, so that a double
+ * click still works.
+ */
+ void
+set_mouse_topline(win_T *wp)
+{
+ orig_topline = wp->w_topline;
+# ifdef FEAT_DIFF
+ orig_topfill = wp->w_topfill;
+# endif
+}
+
+/*
+ * Returns TRUE if the top line and top fill of window 'wp' matches the saved
+ * topline and topfill.
+ */
+ int
+is_mouse_topline(win_T *wp)
+{
+ return orig_topline == wp->w_topline
+#ifdef FEAT_DIFF
+ && orig_topfill == wp->w_topfill
+#endif
+ ;
+}
+#endif
+
+/*
+ * If "buf" is NULL put "string[new_slen]" in typebuf; "buflen" is not used.
+ * If "buf" is not NULL put "string[new_slen]" in "buf[bufsize]" and adjust
+ * "buflen".
+ * Remove "slen" bytes.
+ * Returns FAIL for error.
+ */
+ int
+put_string_in_typebuf(
+ int offset,
+ int slen,
+ char_u *string,
+ int new_slen,
+ char_u *buf,
+ int bufsize,
+ int *buflen)
+{
+ int extra = new_slen - slen;
+
+ string[new_slen] = NUL;
+ if (buf == NULL)
+ {
+ if (extra < 0)
+ // remove matched chars, taking care of noremap
+ del_typebuf(-extra, offset);
+ else if (extra > 0)
+ // insert the extra space we need
+ if (ins_typebuf(string + slen, REMAP_YES, offset, FALSE, FALSE)
+ == FAIL)
+ return FAIL;
+
+ // Careful: del_typebuf() and ins_typebuf() may have reallocated
+ // typebuf.tb_buf[]!
+ mch_memmove(typebuf.tb_buf + typebuf.tb_off + offset, string,
+ (size_t)new_slen);
+ }
+ else
+ {
+ if (extra < 0)
+ // remove matched characters
+ mch_memmove(buf + offset, buf + offset - extra,
+ (size_t)(*buflen + offset + extra));
+ else if (extra > 0)
+ {
+ // Insert the extra space we need. If there is insufficient
+ // space return -1.
+ if (*buflen + extra + new_slen >= bufsize)
+ return FAIL;
+ mch_memmove(buf + offset + extra, buf + offset,
+ (size_t)(*buflen - offset));
+ }
+ mch_memmove(buf + offset, string, (size_t)new_slen);
+ *buflen = *buflen + extra + new_slen;
+ }
+ return OK;
+}
+
+/*
+ * Decode a modifier number as xterm provides it into MOD_MASK bits.
+ */
+ int
+decode_modifiers(int n)
+{
+ int code = n - 1;
+ int modifiers = 0;
+
+ if (code & 1)
+ modifiers |= MOD_MASK_SHIFT;
+ if (code & 2)
+ modifiers |= MOD_MASK_ALT;
+ if (code & 4)
+ modifiers |= MOD_MASK_CTRL;
+ if (code & 8)
+ modifiers |= MOD_MASK_META;
+ // Any further modifiers are silently dropped.
+
+ return modifiers;
+}
+
+ static int
+modifiers2keycode(int modifiers, int *key, char_u *string)
+{
+ int new_slen = 0;
+
+ if (modifiers == 0)
+ return 0;
+
+ // Some keys have the modifier included. Need to handle that here to
+ // make mappings work. This may result in a special key, such as
+ // K_S_TAB.
+ *key = simplify_key(*key, &modifiers);
+ if (modifiers != 0)
+ {
+ string[new_slen++] = K_SPECIAL;
+ string[new_slen++] = (int)KS_MODIFIER;
+ string[new_slen++] = modifiers;
+ }
+ return new_slen;
+}
+
+/*
+ * Handle a cursor position report.
+ */
+ static void
+handle_u7_response(int *arg, char_u *tp UNUSED, int csi_len UNUSED)
+{
+ if (arg[0] == 2 && arg[1] >= 2)
+ {
+ char *aw = NULL;
+
+ LOG_TR(("Received U7 status: %s", tp));
+ u7_status.tr_progress = STATUS_GOT;
+ did_cursorhold = TRUE;
+ if (arg[1] == 2)
+ aw = "single";
+ else if (arg[1] == 3)
+ aw = "double";
+ if (aw != NULL && STRCMP(aw, p_ambw) != 0)
+ {
+ // Setting the option causes a screen redraw. Do
+ // that right away if possible, keeping any
+ // messages.
+ set_option_value_give_err((char_u *)"ambw", 0L, (char_u *)aw, 0);
+#ifdef DEBUG_TERMRESPONSE
+ {
+ int r = redraw_asap(UPD_CLEAR);
+
+ log_tr("set 'ambiwidth', redraw_asap(): %d", r);
+ }
+#else
+ redraw_asap(UPD_CLEAR);
+#endif
+#ifdef FEAT_EVAL
+ set_vim_var_string(VV_TERMU7RESP, tp, csi_len);
+#endif
+ }
+ }
+ else if (arg[0] == 3)
+ {
+ int value;
+
+ LOG_TR(("Received compatibility test result: %s", tp));
+ xcc_status.tr_progress = STATUS_GOT;
+
+ // Third row: xterm compatibility test.
+ // If the cursor is on the first column then the terminal can handle
+ // the request for cursor style and blinking.
+ value = arg[1] == 1 ? TPR_YES : TPR_NO;
+ term_props[TPR_CURSOR_STYLE].tpr_status = value;
+ term_props[TPR_CURSOR_BLINK].tpr_status = value;
+ }
+}
+
+/*
+ * Handle a response to T_CRV: {lead}{first}{x};{vers};{y}c
+ * Xterm and alike use '>' for {first}.
+ * Rxvt sends "{lead}?1;2c".
+ */
+ static void
+handle_version_response(int first, int *arg, int argc, char_u *tp)
+{
+ // The xterm version. It is set to zero when it can't be an actual xterm
+ // version.
+ int version = arg[1];
+
+ LOG_TR(("Received CRV response: %s", tp));
+ crv_status.tr_progress = STATUS_GOT;
+ did_cursorhold = TRUE;
+
+ // Reset terminal properties that are set based on the termresponse.
+ // Mainly useful for tests that send the termresponse multiple times.
+ // For testing all props can be reset.
+ init_term_props(
+#ifdef FEAT_EVAL
+ reset_term_props_on_termresponse
+#else
+ FALSE
+#endif
+ );
+
+ // If this code starts with CSI, you can bet that the
+ // terminal uses 8-bit codes.
+ if (tp[0] == CSI)
+ switch_to_8bit();
+
+ // Screen sends 40500.
+ // rxvt sends its version number: "20703" is 2.7.3.
+ // Ignore it for when the user has set 'term' to xterm,
+ // even though it's an rxvt.
+ if (version > 20000)
+ version = 0;
+
+ // Figure out more if the response is CSI > 99 ; 99 ; 99 c
+ if (first == '>' && argc == 3)
+ {
+ // mintty 2.9.5 sends 77;20905;0c.
+ // (77 is ASCII 'M' for mintty.)
+ if (arg[0] == 77)
+ {
+ // mintty can do SGR mouse reporting
+ term_props[TPR_MOUSE].tpr_status = TPR_MOUSE_SGR;
+ }
+
+#ifdef FEAT_TERMRESPONSE
+ // If xterm version >= 141 try to get termcap codes. For other
+ // terminals the request should be ignored.
+ if (version >= 141 && p_xtermcodes)
+ {
+ LOG_TR(("Enable checking for XT codes"));
+ check_for_codes = TRUE;
+ need_gather = TRUE;
+ req_codes_from_term();
+ }
+#endif
+
+ // libvterm sends 0;100;0
+ // Konsole sends 0;115;0 and works the same way
+ if ((version == 100 || version == 115) && arg[0] == 0 && arg[2] == 0)
+ {
+ // If run from Vim $COLORS is set to the number of
+ // colors the terminal supports. Otherwise assume
+ // 256, libvterm supports even more.
+ if (mch_getenv((char_u *)"COLORS") == NULL)
+ may_adjust_color_count(256);
+ // Libvterm can handle SGR mouse reporting.
+ term_props[TPR_MOUSE].tpr_status = TPR_MOUSE_SGR;
+ }
+
+ if (version == 95)
+ {
+ // Mac Terminal.app sends 1;95;0
+ if (arg[0] == 1 && arg[2] == 0)
+ {
+ term_props[TPR_UNDERLINE_RGB].tpr_status = TPR_YES;
+ term_props[TPR_MOUSE].tpr_status = TPR_MOUSE_SGR;
+ }
+ // iTerm2 sends 0;95;0
+ else if (arg[0] == 0 && arg[2] == 0)
+ {
+ // iTerm2 can do SGR mouse reporting
+ term_props[TPR_MOUSE].tpr_status = TPR_MOUSE_SGR;
+ }
+ // old iTerm2 sends 0;95;
+ else if (arg[0] == 0 && arg[2] == -1)
+ term_props[TPR_UNDERLINE_RGB].tpr_status = TPR_YES;
+ }
+
+ // screen sends 83;40500;0 83 is 'S' in ASCII.
+ if (arg[0] == 83)
+ {
+ // screen supports SGR mouse codes since 4.7.0
+ if (arg[1] >= 40700)
+ term_props[TPR_MOUSE].tpr_status = TPR_MOUSE_SGR;
+ else
+ term_props[TPR_MOUSE].tpr_status = TPR_MOUSE_XTERM;
+ }
+
+ // If no recognized terminal has set mouse behavior, assume xterm.
+ if (term_props[TPR_MOUSE].tpr_status == TPR_UNKNOWN)
+ {
+ // Xterm version 277 supports SGR.
+ // Xterm version >= 95 supports mouse dragging.
+ if (version >= 277)
+ term_props[TPR_MOUSE].tpr_status = TPR_MOUSE_SGR;
+ else if (version >= 95)
+ term_props[TPR_MOUSE].tpr_status = TPR_MOUSE_XTERM2;
+ }
+
+ // Detect terminals that set $TERM to something like
+ // "xterm-256color" but are not fully xterm compatible.
+ //
+ // Gnome terminal sends 1;3801;0, 1;4402;0 or 1;2501;0.
+ // Newer Gnome-terminal sends 65;6001;1.
+ // xfce4-terminal sends 1;2802;0.
+ // screen sends 83;40500;0
+ // Assuming any version number over 2500 is not an
+ // xterm (without the limit for rxvt and screen).
+ if (arg[1] >= 2500)
+ term_props[TPR_UNDERLINE_RGB].tpr_status = TPR_YES;
+
+ else if (version == 136 && arg[2] == 0)
+ {
+ term_props[TPR_UNDERLINE_RGB].tpr_status = TPR_YES;
+
+ // PuTTY sends 0;136;0
+ if (arg[0] == 0)
+ {
+ // supports sgr-like mouse reporting.
+ term_props[TPR_MOUSE].tpr_status = TPR_MOUSE_SGR;
+ }
+ // vandyke SecureCRT sends 1;136;0
+ }
+
+ // Konsole sends 0;115;0 - but t_u8 does not actually work, therefore
+ // commented out.
+ // else if (version == 115 && arg[0] == 0 && arg[2] == 0)
+ // term_props[TPR_UNDERLINE_RGB].tpr_status = TPR_YES;
+
+ // Kitty up to 9.x sends 1;400{version};{secondary-version}
+ if (arg[0] == 1 && arg[1] >= 4000 && arg[1] <= 4009)
+ {
+ term_props[TPR_KITTY].tpr_status = TPR_YES;
+ term_props[TPR_KITTY].tpr_set_by_termresponse = TRUE;
+
+ // Kitty can handle SGR mouse reporting.
+ term_props[TPR_MOUSE].tpr_status = TPR_MOUSE_SGR;
+ }
+
+ // GNU screen sends 83;30600;0, 83;40500;0, etc.
+ // 30600/40500 is a version number of GNU screen. DA2 support is added
+ // on 3.6. DCS string has a special meaning to GNU screen, but xterm
+ // compatibility checking does not detect GNU screen.
+ if (arg[0] == 83 && arg[1] >= 30600)
+ {
+ term_props[TPR_CURSOR_STYLE].tpr_status = TPR_NO;
+ term_props[TPR_CURSOR_BLINK].tpr_status = TPR_NO;
+ }
+
+ // Xterm first responded to this request at patch level
+ // 95, so assume anything below 95 is not xterm and hopefully supports
+ // the underline RGB color sequence.
+ if (version < 95)
+ term_props[TPR_UNDERLINE_RGB].tpr_status = TPR_YES;
+
+ // Getting the cursor style is only supported properly by xterm since
+ // version 279 (otherwise it returns 0x18).
+ if (version < 279)
+ term_props[TPR_CURSOR_STYLE].tpr_status = TPR_NO;
+
+ /*
+ * Take action on the detected properties.
+ */
+
+ // Unless the underline RGB color is expected to work, disable "t_8u".
+ // It does not work for the real Xterm, it resets the background color.
+ // This may cause some flicker. Alternative would be to set "t_8u"
+ // here if the terminal is expected to support it, but that might
+ // conflict with what was set in the .vimrc.
+ if (term_props[TPR_UNDERLINE_RGB].tpr_status != TPR_YES
+ && *T_8U != NUL
+ && !option_was_set((char_u *)"t_8u"))
+ {
+ set_string_option_direct((char_u *)"t_8u", -1, (char_u *)"",
+ OPT_FREE, 0);
+ }
+#ifdef FEAT_TERMRESPONSE
+ if (*T_8U != NUL && write_t_8u_state == MAYBE)
+ // Did skip writing t_8u, a complete redraw is needed.
+ redraw_later_clear();
+ write_t_8u_state = OK; // can output t_8u now
+#endif
+
+ // Only set 'ttymouse' automatically if it was not set
+ // by the user already.
+ if (!option_was_set((char_u *)"ttym")
+ && (term_props[TPR_MOUSE].tpr_status == TPR_MOUSE_XTERM2
+ || term_props[TPR_MOUSE].tpr_status == TPR_MOUSE_SGR))
+ {
+ set_option_value_give_err((char_u *)"ttym", 0L,
+ term_props[TPR_MOUSE].tpr_status == TPR_MOUSE_SGR
+ ? (char_u *)"sgr" : (char_u *)"xterm2", 0);
+ }
+
+#ifdef FEAT_TERMRESPONSE
+ int need_flush = FALSE;
+
+ // Only request the cursor style if t_SH and t_RS are
+ // set. Only supported properly by xterm since version
+ // 279 (otherwise it returns 0x18).
+ // Only when getting the cursor style was detected to work.
+ // Not for Terminal.app, it can't handle t_RS, it
+ // echoes the characters to the screen.
+ if (rcs_status.tr_progress == STATUS_GET
+ && term_props[TPR_CURSOR_STYLE].tpr_status == TPR_YES
+ && *T_CSH != NUL
+ && *T_CRS != NUL)
+ {
+ MAY_WANT_TO_LOG_THIS;
+ LOG_TR(("Sending cursor style request"));
+ out_str(T_CRS);
+ termrequest_sent(&rcs_status);
+ need_flush = TRUE;
+ }
+
+ // Only request the cursor blink mode if t_RC set. Not
+ // for Gnome terminal, it can't handle t_RC, it
+ // echoes the characters to the screen.
+ // Only when getting the cursor style was detected to work.
+ if (rbm_status.tr_progress == STATUS_GET
+ && term_props[TPR_CURSOR_BLINK].tpr_status == TPR_YES
+ && *T_CRC != NUL)
+ {
+ MAY_WANT_TO_LOG_THIS;
+ LOG_TR(("Sending cursor blink mode request"));
+ out_str(T_CRC);
+ termrequest_sent(&rbm_status);
+ need_flush = TRUE;
+ }
+
+ if (need_flush)
+ out_flush();
+#endif
+ }
+}
+
+/*
+ * Add "key" to "buf" and return the number of bytes used.
+ * Handles special keys and multi-byte characters.
+ */
+ static int
+add_key_to_buf(int key, char_u *buf)
+{
+ int idx = 0;
+
+ if (IS_SPECIAL(key))
+ {
+ buf[idx++] = K_SPECIAL;
+ buf[idx++] = KEY2TERMCAP0(key);
+ buf[idx++] = KEY2TERMCAP1(key);
+ }
+ else if (has_mbyte)
+ idx += (*mb_char2bytes)(key, buf + idx);
+ else
+ buf[idx++] = key;
+ return idx;
+}
+
+/*
+ * Shared between handle_key_with_modifier() and handle_csi_function_key().
+ */
+ static int
+put_key_modifiers_in_typebuf(
+ int key_arg,
+ int modifiers_arg,
+ int csi_len,
+ int offset,
+ char_u *buf,
+ int bufsize,
+ int *buflen)
+{
+ int key = key_arg;
+ int modifiers = modifiers_arg;
+
+ // Some keys need adjustment when the Ctrl modifier is used.
+ key = may_adjust_key_for_ctrl(modifiers, key);
+
+ // May remove the shift modifier if it's already included in the key.
+ modifiers = may_remove_shift_modifier(modifiers, key);
+
+ // Produce modifiers with K_SPECIAL KS_MODIFIER {mod}
+ char_u string[MAX_KEY_CODE_LEN + 1];
+ int new_slen = modifiers2keycode(modifiers, &key, string);
+
+ // Add the bytes for the key.
+ new_slen += add_key_to_buf(key, string + new_slen);
+
+ string[new_slen] = NUL;
+ if (put_string_in_typebuf(offset, csi_len, string, new_slen,
+ buf, bufsize, buflen) == FAIL)
+ return -1;
+ return new_slen - csi_len + offset;
+}
+
+/*
+ * Handle a sequence with key and modifier, one of:
+ * {lead}27;{modifier};{key}~
+ * {lead}{key};{modifier}u
+ * Returns the difference in length.
+ */
+ static int
+handle_key_with_modifier(
+ int *arg,
+ int trail,
+ int csi_len,
+ int offset,
+ char_u *buf,
+ int bufsize,
+ int *buflen)
+{
+ // Only set seenModifyOtherKeys for the "{lead}27;" code to avoid setting
+ // it for terminals using the kitty keyboard protocol. Xterm sends
+ // the form ending in "u" when the formatOtherKeys resource is set. We do
+ // not support this.
+ //
+ // Do not set seenModifyOtherKeys if there was a positive response at any
+ // time from requesting the kitty keyboard protocol state, these are not
+ // expected to support modifyOtherKeys level 2.
+ //
+ // Do not set seenModifyOtherKeys for kitty, it does send some sequences
+ // like this but does not have the modifyOtherKeys feature.
+ if (trail != 'u'
+ && (kitty_protocol_state == KKPS_INITIAL
+ || kitty_protocol_state == KKPS_OFF
+ || kitty_protocol_state == KKPS_AFTER_T_TE)
+ && term_props[TPR_KITTY].tpr_status != TPR_YES)
+ {
+#ifdef FEAT_EVAL
+ ch_log(NULL, "setting seenModifyOtherKeys to TRUE");
+#endif
+ seenModifyOtherKeys = TRUE;
+ }
+
+ int key = trail == 'u' ? arg[0] : arg[2];
+ int modifiers = decode_modifiers(arg[1]);
+
+ // Some terminals do not apply the Shift modifier to the key. To make
+ // mappings consistent we do it here. TODO: support more keys.
+ if ((modifiers & MOD_MASK_SHIFT) && key >= 'a' && key <= 'z')
+ key += 'A' - 'a';
+
+ // Putting Esc in the buffer creates ambiguity, it can be the start of an
+ // escape sequence. Use K_ESC to avoid that.
+ if (key == ESC)
+ key = K_ESC;
+
+ return put_key_modifiers_in_typebuf(key, modifiers,
+ csi_len, offset, buf, bufsize, buflen);
+}
+
+/*
+ * Handle a sequence with key without a modifier:
+ * {lead}{key}u
+ * Returns the difference in length.
+ */
+ static int
+handle_key_without_modifier(
+ int *arg,
+ int csi_len,
+ int offset,
+ char_u *buf,
+ int bufsize,
+ int *buflen)
+{
+ char_u string[MAX_KEY_CODE_LEN + 1];
+ int new_slen;
+
+ if (arg[0] == ESC)
+ {
+ // Putting Esc in the buffer creates ambiguity, it can be the start of
+ // an escape sequence. Use K_ESC to avoid that.
+ string[0] = K_SPECIAL;
+ string[1] = KS_EXTRA;
+ string[2] = KE_ESC;
+ new_slen = 3;
+ }
+ else
+ new_slen = add_key_to_buf(arg[0], string);
+
+ if (put_string_in_typebuf(offset, csi_len, string, new_slen,
+ buf, bufsize, buflen) == FAIL)
+ return -1;
+ return new_slen - csi_len + offset;
+}
+
+/*
+ * CSI function key without or with modifiers:
+ * {lead}[ABCDEFHPQRS]
+ * {lead}1;{modifier}[ABCDEFHPQRS]
+ * Returns zero when nog recognized, a positive number when recognized.
+ */
+ static int
+handle_csi_function_key(
+ int argc,
+ int *arg,
+ int trail,
+ int csi_len,
+ char_u *key_name,
+ int offset,
+ char_u *buf,
+ int bufsize,
+ int *buflen)
+{
+ key_name[0] = 'k';
+ switch (trail)
+ {
+ case 'A': key_name[1] = 'u'; break; // K_UP
+ case 'B': key_name[1] = 'd'; break; // K_DOWN
+ case 'C': key_name[1] = 'r'; break; // K_RIGHT
+ case 'D': key_name[1] = 'l'; break; // K_LEFT
+
+ // case 'E': keypad BEGIN - not supported
+ case 'F': key_name[0] = '@'; key_name[1] = '7'; break; // K_END
+ case 'H': key_name[1] = 'h'; break; // K_HOME
+
+ case 'P': key_name[1] = '1'; break; // K_F1
+ case 'Q': key_name[1] = '2'; break; // K_F2
+ case 'R': key_name[1] = '3'; break; // K_F3
+ case 'S': key_name[1] = '4'; break; // K_F4
+
+ default: return 0; // not recognized
+ }
+
+ int key = TERMCAP2KEY(key_name[0], key_name[1]);
+ int modifiers = argc == 2 ? decode_modifiers(arg[1]) : 0;
+ put_key_modifiers_in_typebuf(key, modifiers,
+ csi_len, offset, buf, bufsize, buflen);
+ return csi_len;
+}
+
+/*
+ * Handle a CSI escape sequence.
+ * - Xterm version string.
+ *
+ * - Response to XTQMODKEYS: "{lead} > 4 ; Pv m".
+ *
+ * - Cursor position report: {lead}{row};{col}R
+ * The final byte must be 'R'. It is used for checking the
+ * ambiguous-width character state.
+ *
+ * - window position reply: {lead}3;{x};{y}t
+ *
+ * - key with modifiers when modifyOtherKeys is enabled or the Kitty keyboard
+ * protocol is used:
+ * {lead}27;{modifier};{key}~
+ * {lead}{key};{modifier}u
+ *
+ * - function key with or without modifiers:
+ * {lead}[ABCDEFHPQRS]
+ * {lead}1;{modifier}[ABCDEFHPQRS]
+ *
+ * Return 0 for no match, -1 for partial match, > 0 for full match.
+ */
+ static int
+handle_csi(
+ char_u *tp,
+ int len,
+ char_u *argp,
+ int offset,
+ char_u *buf,
+ int bufsize,
+ int *buflen,
+ char_u *key_name,
+ int *slen)
+{
+ int first = -1; // optional char right after {lead}
+ int trail; // char that ends CSI sequence
+ int arg[3] = {-1, -1, -1}; // argument numbers
+ int argc = 0; // number of arguments
+ char_u *ap = argp;
+ int csi_len;
+
+ // Check for non-digit after CSI.
+ if (!VIM_ISDIGIT(*ap))
+ first = *ap++;
+
+ if (first >= 'A' && first <= 'Z')
+ {
+ // If "first" is in [ABCDEFHPQRS] then it is actually the "trail" and
+ // no argument follows.
+ trail = first;
+ first = -1;
+ --ap;
+ }
+ else
+ {
+ // Find up to three argument numbers.
+ for (argc = 0; argc < 3; )
+ {
+ if (ap >= tp + len)
+ return -1;
+ if (*ap == ';')
+ arg[argc++] = -1; // omitted number
+ else if (VIM_ISDIGIT(*ap))
+ {
+ arg[argc] = 0;
+ for (;;)
+ {
+ if (ap >= tp + len)
+ return -1;
+ if (!VIM_ISDIGIT(*ap))
+ break;
+ arg[argc] = arg[argc] * 10 + (*ap - '0');
+ ++ap;
+ }
+ ++argc;
+ }
+ if (*ap == ';')
+ ++ap;
+ else
+ break;
+ }
+
+ // mrxvt has been reported to have "+" in the version. Assume
+ // the escape sequence ends with a letter or one of "{|}~".
+ while (ap < tp + len
+ && !(*ap >= '{' && *ap <= '~')
+ && !ASCII_ISALPHA(*ap))
+ ++ap;
+ if (ap >= tp + len)
+ return -1;
+ trail = *ap;
+ }
+
+ csi_len = (int)(ap - tp) + 1;
+
+ // Response to XTQMODKEYS: "CSI > 4 ; Pv m" where Pv indicates the
+ // modifyOtherKeys level. Drop similar responses.
+ if (first == '>' && (argc == 1 || argc == 2) && trail == 'm')
+ {
+ if (arg[0] == 4 && argc == 2)
+ modify_otherkeys_state = arg[1] == 2 ? MOKS_ENABLED : MOKS_OFF;
+
+ key_name[0] = (int)KS_EXTRA;
+ key_name[1] = (int)KE_IGNORE;
+ *slen = csi_len;
+ }
+
+ // Function key starting with CSI:
+ // {lead}[ABCDEFHPQRS]
+ // {lead}1;{modifier}[ABCDEFHPQRS]
+ else if (first == -1 && ASCII_ISUPPER(trail)
+ && (argc == 0 || (argc == 2 && arg[0] == 1)))
+ {
+ int res = handle_csi_function_key(argc, arg, trail,
+ csi_len, key_name, offset, buf, bufsize, buflen);
+ return res <= 0 ? res : len + res;
+ }
+
+ // Cursor position report: {lead}{row};{col}R
+ // Eat it when there are 2 arguments and it ends in 'R'.
+ // Also when u7_status is not "sent", it may be from a previous Vim that
+ // just exited. But not for <S-F3>, it sends something similar, check for
+ // row and column to make sense.
+ else if (first == -1 && argc == 2 && trail == 'R')
+ {
+ handle_u7_response(arg, tp, csi_len);
+
+ key_name[0] = (int)KS_EXTRA;
+ key_name[1] = (int)KE_IGNORE;
+ *slen = csi_len;
+ }
+
+ // Version string: Eat it when there is at least one digit and
+ // it ends in 'c'
+ else if (*T_CRV != NUL && ap > argp + 1 && trail == 'c')
+ {
+ handle_version_response(first, arg, argc, tp);
+
+ *slen = csi_len;
+#ifdef FEAT_EVAL
+ set_vim_var_string(VV_TERMRESPONSE, tp, *slen);
+#endif
+ apply_autocmds(EVENT_TERMRESPONSE,
+ NULL, NULL, FALSE, curbuf);
+ key_name[0] = (int)KS_EXTRA;
+ key_name[1] = (int)KE_IGNORE;
+ }
+
+#ifdef FEAT_TERMRESPONSE
+ // Check blinking cursor from xterm:
+ // {lead}?12;1$y set
+ // {lead}?12;2$y not set
+ //
+ // {lead} can be <Esc>[ or CSI
+ else if (rbm_status.tr_progress == STATUS_SENT
+ && first == '?'
+ && ap == argp + 6
+ && arg[0] == 12
+ && ap[-1] == '$'
+ && trail == 'y')
+ {
+ initial_cursor_blink = (arg[1] == '1');
+ rbm_status.tr_progress = STATUS_GOT;
+ LOG_TR(("Received cursor blinking mode response: %s", tp));
+ key_name[0] = (int)KS_EXTRA;
+ key_name[1] = (int)KE_IGNORE;
+ *slen = csi_len;
+# ifdef FEAT_EVAL
+ set_vim_var_string(VV_TERMBLINKRESP, tp, *slen);
+# endif
+ }
+#endif
+
+ // Kitty keyboard protocol status response: CSI ? flags u
+ else if (first == '?' && argc == 1 && trail == 'u')
+ {
+ // The protocol has various "progressive enhancement flags" values, but
+ // we only check for zero and non-zero here.
+ if (arg[0] == '0')
+ {
+ kitty_protocol_state = KKPS_OFF;
+ }
+ else
+ {
+ kitty_protocol_state = KKPS_ENABLED;
+
+ // Reset seenModifyOtherKeys just in case some key combination has
+ // been seen that set it before we get the status response.
+#ifdef FEAT_EVAL
+ ch_log(NULL, "setting seenModifyOtherKeys to FALSE");
+#endif
+ seenModifyOtherKeys = FALSE;
+ }
+
+ key_name[0] = (int)KS_EXTRA;
+ key_name[1] = (int)KE_IGNORE;
+ *slen = csi_len;
+ }
+
+#ifdef FEAT_TERMRESPONSE
+ // Check for a window position response from the terminal:
+ // {lead}3;{x};{y}t
+ else if (did_request_winpos && argc == 3 && arg[0] == 3
+ && trail == 't')
+ {
+ winpos_x = arg[1];
+ winpos_y = arg[2];
+ // got finished code: consume it
+ key_name[0] = (int)KS_EXTRA;
+ key_name[1] = (int)KE_IGNORE;
+ *slen = csi_len;
+
+ if (--did_request_winpos <= 0)
+ winpos_status.tr_progress = STATUS_GOT;
+ }
+#endif
+
+ // Key with modifier:
+ // {lead}27;{modifier};{key}~
+ // {lead}{key};{modifier}u
+ // Even though we only handle four modifiers and the {modifier} value
+ // should be 16 or lower, we accept all modifier values to avoid the raw
+ // sequence to be passed through.
+ else if ((arg[0] == 27 && argc == 3 && trail == '~')
+ || (argc == 2 && trail == 'u'))
+ {
+ return len + handle_key_with_modifier(arg, trail,
+ csi_len, offset, buf, bufsize, buflen);
+ }
+
+ // Key without modifier (Kitty sends this for Esc):
+ // {lead}{key}u
+ else if (argc == 1 && trail == 'u')
+ {
+ return len + handle_key_without_modifier(arg,
+ csi_len, offset, buf, bufsize, buflen);
+ }
+
+ // else: Unknown CSI sequence. We could drop it, but then the
+ // user can't create a map for it.
+ return 0;
+}
+
+/*
+ * Handle an OSC sequence, fore/background color response from the terminal:
+ *
+ * {lead}{code};rgb:{rrrr}/{gggg}/{bbbb}{tail}
+ * or {lead}{code};rgb:{rr}/{gg}/{bb}{tail}
+ *
+ * {code} is 10 for foreground, 11 for background
+ * {lead} can be <Esc>] or OSC
+ * {tail} can be '\007', <Esc>\ or STERM.
+ *
+ * Consume any code that starts with "{lead}11;", it's also
+ * possible that "rgba" is following.
+ */
+ static int
+handle_osc(char_u *tp, char_u *argp, int len, char_u *key_name, int *slen)
+{
+ int i, j;
+
+ j = 1 + (tp[0] == ESC);
+ if (len >= j + 3 && (argp[0] != '1'
+ || (argp[1] != '1' && argp[1] != '0')
+ || argp[2] != ';'))
+ i = 0; // no match
+ else
+ for (i = j; i < len; ++i)
+ if (tp[i] == '\007' || (tp[0] == OSC ? tp[i] == STERM
+ : (tp[i] == ESC && i + 1 < len && tp[i + 1] == '\\')))
+ {
+ int is_bg = argp[1] == '1';
+ int is_4digit = i - j >= 21 && tp[j + 11] == '/'
+ && tp[j + 16] == '/';
+
+ if (i - j >= 15 && STRNCMP(tp + j + 3, "rgb:", 4) == 0
+ && (is_4digit
+ || (tp[j + 9] == '/' && tp[j + 12] == '/')))
+ {
+ char_u *tp_r = tp + j + 7;
+ char_u *tp_g = tp + j + (is_4digit ? 12 : 10);
+ char_u *tp_b = tp + j + (is_4digit ? 17 : 13);
+#if defined(FEAT_TERMRESPONSE) && defined(FEAT_TERMINAL)
+ int rval, gval, bval;
+
+ rval = hexhex2nr(tp_r);
+ gval = hexhex2nr(tp_b);
+ bval = hexhex2nr(tp_g);
+#endif
+ if (is_bg)
+ {
+ char *new_bg_val = (3 * '6' < *tp_r + *tp_g +
+ *tp_b) ? "light" : "dark";
+
+ LOG_TR(("Received RBG response: %s", tp));
+#ifdef FEAT_TERMRESPONSE
+ rbg_status.tr_progress = STATUS_GOT;
+# ifdef FEAT_TERMINAL
+ bg_r = rval;
+ bg_g = gval;
+ bg_b = bval;
+# endif
+#endif
+ if (!option_was_set((char_u *)"bg")
+ && STRCMP(p_bg, new_bg_val) != 0)
+ {
+ // value differs, apply it
+ set_option_value_give_err((char_u *)"bg",
+ 0L, (char_u *)new_bg_val, 0);
+ reset_option_was_set((char_u *)"bg");
+ redraw_asap(UPD_CLEAR);
+ }
+ }
+#if defined(FEAT_TERMRESPONSE) && defined(FEAT_TERMINAL)
+ else
+ {
+ LOG_TR(("Received RFG response: %s", tp));
+ rfg_status.tr_progress = STATUS_GOT;
+ fg_r = rval;
+ fg_g = gval;
+ fg_b = bval;
+ }
+#endif
+ }
+
+ // got finished code: consume it
+ key_name[0] = (int)KS_EXTRA;
+ key_name[1] = (int)KE_IGNORE;
+ *slen = i + 1 + (tp[i] == ESC);
+#ifdef FEAT_EVAL
+ set_vim_var_string(is_bg ? VV_TERMRBGRESP
+ : VV_TERMRFGRESP, tp, *slen);
+#endif
+ break;
+ }
+ if (i == len)
+ {
+ LOG_TR(("not enough characters for RB"));
+ return FAIL;
+ }
+ return OK;
+}
+
+/*
+ * Check for key code response from xterm:
+ * {lead}{flag}+r<hex bytes><{tail}
+ *
+ * {lead} can be <Esc>P or DCS
+ * {flag} can be '0' or '1'
+ * {tail} can be Esc>\ or STERM
+ *
+ * Check for resource response from xterm (and drop it):
+ * {lead}{flag}+R<hex bytes>=<value>{tail}
+ *
+ * Check for cursor shape response from xterm:
+ * {lead}1$r<digit> q{tail}
+ *
+ * {lead} can be <Esc>P or DCS
+ * {tail} can be <Esc>\ or STERM
+ *
+ * Consume any code that starts with "{lead}.+r" or "{lead}.$r".
+ */
+ static int
+handle_dcs(char_u *tp, char_u *argp, int len, char_u *key_name, int *slen)
+{
+ int i, j;
+
+ j = 1 + (tp[0] == ESC);
+ if (len < j + 3)
+ i = len; // need more chars
+ else if ((argp[1] != '+' && argp[1] != '$')
+ || (argp[2] != 'r' && argp[2] != 'R'))
+ i = 0; // no match
+ else if (argp[1] == '+')
+ // key code response
+ for (i = j; i < len; ++i)
+ {
+ if ((tp[i] == ESC && i + 1 < len && tp[i + 1] == '\\')
+ || tp[i] == STERM)
+ {
+#ifdef FEAT_TERMRESPONSE
+ // handle a key code response, drop a resource response
+ if (i - j >= 3 && argp[2] == 'r')
+ got_code_from_term(tp + j, i);
+#endif
+ key_name[0] = (int)KS_EXTRA;
+ key_name[1] = (int)KE_IGNORE;
+ *slen = i + 1 + (tp[i] == ESC);
+ break;
+ }
+ }
+ else
+ {
+ // Probably the cursor shape response. Make sure that "i"
+ // is equal to "len" when there are not sufficient
+ // characters.
+ for (i = j + 3; i < len; ++i)
+ {
+ if (i - j == 3 && !isdigit(tp[i]))
+ break;
+ if (i - j == 4 && tp[i] != ' ')
+ break;
+ if (i - j == 5 && tp[i] != 'q')
+ break;
+ if (i - j == 6 && tp[i] != ESC && tp[i] != STERM)
+ break;
+ if ((i - j == 6 && tp[i] == STERM)
+ || (i - j == 7 && tp[i] == '\\'))
+ {
+#ifdef FEAT_TERMRESPONSE
+ int number = argp[3] - '0';
+
+ // 0, 1 = block blink, 2 = block
+ // 3 = underline blink, 4 = underline
+ // 5 = vertical bar blink, 6 = vertical bar
+ number = number == 0 ? 1 : number;
+ initial_cursor_shape = (number + 1) / 2;
+ // The blink flag is actually inverted, compared to
+ // the value set with T_SH.
+ initial_cursor_shape_blink =
+ (number & 1) ? FALSE : TRUE;
+ rcs_status.tr_progress = STATUS_GOT;
+#endif
+ LOG_TR(("Received cursor shape response: %s", tp));
+
+ key_name[0] = (int)KS_EXTRA;
+ key_name[1] = (int)KE_IGNORE;
+ *slen = i + 1;
+#ifdef FEAT_EVAL
+ set_vim_var_string(VV_TERMSTYLERESP, tp, *slen);
+#endif
+ break;
+ }
+ }
+ }
+
+ if (i == len)
+ {
+ // These codes arrive many together, each code can be
+ // truncated at any point.
+ LOG_TR(("not enough characters for XT"));
+ return FAIL;
+ }
+ return OK;
+}
+
+/*
+ * Check if typebuf.tb_buf[] contains a terminal key code.
+ * Check from typebuf.tb_buf[typebuf.tb_off] to typebuf.tb_buf[typebuf.tb_off
+ * + "max_offset"].
+ * Return 0 for no match, -1 for partial match, > 0 for full match.
+ * Return KEYLEN_REMOVED when a key code was deleted.
+ * With a match, the match is removed, the replacement code is inserted in
+ * typebuf.tb_buf[] and the number of characters in typebuf.tb_buf[] is
+ * returned.
+ * When "buf" is not NULL, buf[bufsize] is used instead of typebuf.tb_buf[].
+ * "buflen" is then the length of the string in buf[] and is updated for
+ * inserts and deletes.
+ */
+ int
+check_termcode(
+ int max_offset,
+ char_u *buf,
+ int bufsize,
+ int *buflen)
+{
+ char_u *tp;
+ char_u *p;
+ int slen = 0; // init for GCC
+ int modslen;
+ int len;
+ int retval = 0;
+ int offset;
+ char_u key_name[2];
+ int modifiers;
+ char_u *modifiers_start = NULL;
+ int key;
+ int new_slen; // Length of what will replace the termcode
+ char_u string[MAX_KEY_CODE_LEN + 1];
+ int i, j;
+ int idx = 0;
+ int cpo_koffset;
+
+ cpo_koffset = (vim_strchr(p_cpo, CPO_KOFFSET) != NULL);
+
+ /*
+ * Speed up the checks for terminal codes by gathering all first bytes
+ * used in termleader[]. Often this is just a single <Esc>.
+ */
+ if (need_gather)
+ gather_termleader();
+
+ /*
+ * Check at several positions in typebuf.tb_buf[], to catch something like
+ * "x<Up>" that can be mapped. Stop at max_offset, because characters
+ * after that cannot be used for mapping, and with @r commands
+ * typebuf.tb_buf[] can become very long.
+ * This is used often, KEEP IT FAST!
+ */
+ for (offset = 0; offset < max_offset; ++offset)
+ {
+ if (buf == NULL)
+ {
+ if (offset >= typebuf.tb_len)
+ break;
+ tp = typebuf.tb_buf + typebuf.tb_off + offset;
+ len = typebuf.tb_len - offset; // length of the input
+ }
+ else
+ {
+ if (offset >= *buflen)
+ break;
+ tp = buf + offset;
+ len = *buflen - offset;
+ }
+
+ /*
+ * Don't check characters after K_SPECIAL, those are already
+ * translated terminal chars (avoid translating ~@^Hx).
+ */
+ if (*tp == K_SPECIAL)
+ {
+ offset += 2; // there are always 2 extra characters
+ continue;
+ }
+
+ /*
+ * Skip this position if the character does not appear as the first
+ * character in term_strings. This speeds up a lot, since most
+ * termcodes start with the same character (ESC or CSI).
+ */
+ i = *tp;
+ for (p = termleader; *p && *p != i; ++p)
+ ;
+ if (*p == NUL)
+ continue;
+
+ /*
+ * Skip this position if p_ek is not set and tp[0] is an ESC and we
+ * are in Insert mode.
+ */
+ if (*tp == ESC && !p_ek && (State & MODE_INSERT))
+ continue;
+
+ tp[len] = NUL;
+ key_name[0] = NUL; // no key name found yet
+ key_name[1] = NUL; // no key name found yet
+ modifiers = 0; // no modifiers yet
+
+#ifdef FEAT_GUI
+ if (gui.in_use)
+ {
+ /*
+ * GUI special key codes are all of the form [CSI xx].
+ */
+ if (*tp == CSI) // Special key from GUI
+ {
+ if (len < 3)
+ return -1; // Shouldn't happen
+ slen = 3;
+ key_name[0] = tp[1];
+ key_name[1] = tp[2];
+ }
+ }
+ else
+#endif // FEAT_GUI
+#ifdef MSWIN
+ if (len >= 3 && tp[0] == CSI && tp[1] == KS_EXTRA
+ && (tp[2] == KE_MOUSEUP
+ || tp[2] == KE_MOUSEDOWN
+ || tp[2] == KE_MOUSELEFT
+ || tp[2] == KE_MOUSERIGHT))
+ {
+ // MS-Windows console sends mouse scroll events encoded:
+ // - CSI
+ // - KS_EXTRA
+ // - {KE_MOUSE[UP|DOWN|LEFT|RIGHT]}
+ slen = 3;
+ key_name[0] = tp[1];
+ key_name[1] = tp[2];
+ }
+ else
+#endif
+ {
+ int mouse_index_found = -1;
+
+ for (idx = 0; idx < tc_len; ++idx)
+ {
+ /*
+ * Ignore the entry if we are not at the start of
+ * typebuf.tb_buf[]
+ * and there are not enough characters to make a match.
+ * But only when the 'K' flag is in 'cpoptions'.
+ */
+ slen = termcodes[idx].len;
+ modifiers_start = NULL;
+ if (cpo_koffset && offset && len < slen)
+ continue;
+ if (STRNCMP(termcodes[idx].code, tp,
+ (size_t)(slen > len ? len : slen)) == 0)
+ {
+ int looks_like_mouse_start = FALSE;
+
+ if (len < slen) // got a partial sequence
+ return -1; // need to get more chars
+
+ /*
+ * When found a keypad key, check if there is another key
+ * that matches and use that one. This makes <Home> to be
+ * found instead of <kHome> when they produce the same
+ * key code.
+ */
+ if (termcodes[idx].name[0] == 'K'
+ && VIM_ISDIGIT(termcodes[idx].name[1]))
+ {
+ for (j = idx + 1; j < tc_len; ++j)
+ if (termcodes[j].len == slen &&
+ STRNCMP(termcodes[idx].code,
+ termcodes[j].code, slen) == 0)
+ {
+ idx = j;
+ break;
+ }
+ }
+
+ if (slen == 2 && len > 2
+ && termcodes[idx].code[0] == ESC
+ && termcodes[idx].code[1] == '[')
+ {
+ // The mouse termcode "ESC [" is also the prefix of
+ // "ESC [ I" (focus gained) and other keys. Check some
+ // more bytes to find out.
+ if (!isdigit(tp[2]))
+ {
+ // ESC [ without number following: Only use it when
+ // there is no other match.
+ looks_like_mouse_start = TRUE;
+ }
+ else if (termcodes[idx].name[0] == KS_DEC_MOUSE)
+ {
+ char_u *nr = tp + 2;
+ int count = 0;
+
+ // If a digit is following it could be a key with
+ // modifier, e.g., ESC [ 1;2P. Can be confused
+ // with DEC_MOUSE, which requires four numbers
+ // following. If not then it can't be a DEC_MOUSE
+ // code.
+ for (;;)
+ {
+ ++count;
+ (void)getdigits(&nr);
+ if (nr >= tp + len)
+ return -1; // partial sequence
+ if (*nr != ';')
+ break;
+ ++nr;
+ if (nr >= tp + len)
+ return -1; // partial sequence
+ }
+ if (count < 4)
+ continue; // no match
+ }
+ }
+ if (looks_like_mouse_start)
+ {
+ // Only use it when there is no other match.
+ if (mouse_index_found < 0)
+ mouse_index_found = idx;
+ }
+ else
+ {
+ key_name[0] = termcodes[idx].name[0];
+ key_name[1] = termcodes[idx].name[1];
+ break;
+ }
+ }
+
+ /*
+ * Check for code with modifier, like xterm uses:
+ * <Esc>[123;*X (modslen == slen - 3)
+ * <Esc>[@;*X (matches <Esc>[X and <Esc>[1;9X )
+ * Also <Esc>O*X and <M-O>*X (modslen == slen - 2).
+ * When there is a modifier the * matches a number.
+ * When there is no modifier the ;* or * is omitted.
+ */
+ if (termcodes[idx].modlen > 0 && mouse_index_found < 0)
+ {
+ modslen = termcodes[idx].modlen;
+ if (cpo_koffset && offset && len < modslen)
+ continue;
+ if (STRNCMP(termcodes[idx].code, tp,
+ (size_t)(modslen > len ? len : modslen)) == 0)
+ {
+ int n;
+
+ if (len <= modslen) // got a partial sequence
+ return -1; // need to get more chars
+
+ if (tp[modslen] == termcodes[idx].code[slen - 1])
+ // no modifiers
+ slen = modslen + 1;
+ else if (tp[modslen] != ';' && modslen == slen - 3)
+ // no match for "code;*X" with "code;"
+ continue;
+ else if (termcodes[idx].code[modslen] == '@'
+ && (tp[modslen] != '1'
+ || tp[modslen + 1] != ';'))
+ // no match for "<Esc>[@" with "<Esc>[1;"
+ continue;
+ else
+ {
+ // Skip over the digits, the final char must
+ // follow. URXVT can use a negative value, thus
+ // also accept '-'.
+ for (j = slen - 2; j < len && (isdigit(tp[j])
+ || tp[j] == '-' || tp[j] == ';'); ++j)
+ ;
+ ++j;
+ if (len < j) // got a partial sequence
+ return -1; // need to get more chars
+ if (tp[j - 1] != termcodes[idx].code[slen - 1])
+ continue; // no match
+
+ modifiers_start = tp + slen - 2;
+
+ // Match! Convert modifier bits.
+ n = atoi((char *)modifiers_start);
+ modifiers |= decode_modifiers(n);
+
+ slen = j;
+ }
+ key_name[0] = termcodes[idx].name[0];
+ key_name[1] = termcodes[idx].name[1];
+ break;
+ }
+ }
+ }
+ if (idx == tc_len && mouse_index_found >= 0)
+ {
+ key_name[0] = termcodes[mouse_index_found].name[0];
+ key_name[1] = termcodes[mouse_index_found].name[1];
+ }
+ }
+
+ if (key_name[0] == NUL
+ // Mouse codes of DEC and pterm start with <ESC>[. When
+ // detecting the start of these mouse codes they might as well be
+ // another key code or terminal response.
+#ifdef FEAT_MOUSE_DEC
+ || key_name[0] == KS_DEC_MOUSE
+#endif
+#ifdef FEAT_MOUSE_PTERM
+ || key_name[0] == KS_PTERM_MOUSE
+#endif
+ )
+ {
+ char_u *argp = tp[0] == ESC ? tp + 2 : tp + 1;
+
+ /*
+ * Check for responses from the terminal starting with {lead}:
+ * "<Esc>[" or CSI followed by [0-9>?].
+ * Also for function keys without a modifier:
+ * "<Esc>[" or CSI followed by [ABCDEFHPQRS].
+ *
+ * - Xterm version string: {lead}>{x};{vers};{y}c
+ * Also eat other possible responses to t_RV, rxvt returns
+ * "{lead}?1;2c".
+ *
+ * - Response to XTQMODKEYS: "{lead} > 4 ; Pv m".
+ *
+ * - Cursor position report: {lead}{row};{col}R
+ * The final byte must be 'R'. It is used for checking the
+ * ambiguous-width character state.
+ *
+ * - window position reply: {lead}3;{x};{y}t
+ *
+ * - key with modifiers when modifyOtherKeys is enabled:
+ * {lead}27;{modifier};{key}~
+ * {lead}{key};{modifier}u
+ */
+ if (((tp[0] == ESC && len >= 3 && tp[1] == '[')
+ || (tp[0] == CSI && len >= 2))
+ && vim_strchr((char_u *)"0123456789>?ABCDEFHPQRS",
+ *argp) != NULL)
+ {
+ int resp = handle_csi(tp, len, argp, offset, buf,
+ bufsize, buflen, key_name, &slen);
+ if (resp != 0)
+ {
+#ifdef DEBUG_TERMRESPONSE
+ if (resp == -1)
+ LOG_TR(("Not enough characters for CSI sequence"));
+#endif
+ return resp;
+ }
+ }
+
+ // Check for fore/background color response from the terminal,
+ // starting} with <Esc>] or OSC
+ else if ((*T_RBG != NUL || *T_RFG != NUL)
+ && ((tp[0] == ESC && len >= 2 && tp[1] == ']')
+ || tp[0] == OSC))
+ {
+ if (handle_osc(tp, argp, len, key_name, &slen) == FAIL)
+ return -1;
+ }
+
+ // Check for key code response from xterm,
+ // starting with <Esc>P or DCS
+ // It would only be needed with this condition:
+ // (check_for_codes || rcs_status.tr_progress == STATUS_SENT)
+ // Now this is always done so that DCS codes don't mess up things.
+ else if ((tp[0] == ESC && len >= 2 && tp[1] == 'P') || tp[0] == DCS)
+ {
+ if (handle_dcs(tp, argp, len, key_name, &slen) == FAIL)
+ return -1;
+ }
+ }
+
+ if (key_name[0] == NUL)
+ continue; // No match at this position, try next one
+
+ // We only get here when we have a complete termcode match
+
+#if defined(FEAT_GUI) || defined(MSWIN)
+ /*
+ * For scroll events from the GUI or MS-Windows console, fetch the
+ * pointer coordinates so that we know which window to scroll later.
+ */
+ if (TRUE
+# if defined(FEAT_GUI) && !defined(MSWIN)
+ && gui.in_use
+# endif
+ && key_name[0] == (int)KS_EXTRA
+ && (key_name[1] == (int)KE_X1MOUSE
+ || key_name[1] == (int)KE_X2MOUSE
+ || key_name[1] == (int)KE_MOUSEMOVE_XY
+ || key_name[1] == (int)KE_MOUSELEFT
+ || key_name[1] == (int)KE_MOUSERIGHT
+ || key_name[1] == (int)KE_MOUSEDOWN
+ || key_name[1] == (int)KE_MOUSEUP))
+ {
+ char_u bytes[6];
+ int num_bytes = get_bytes_from_buf(tp + slen, bytes, 4);
+
+ if (num_bytes == -1) // not enough coordinates
+ return -1;
+ mouse_col = 128 * (bytes[0] - ' ' - 1) + bytes[1] - ' ' - 1;
+ mouse_row = 128 * (bytes[2] - ' ' - 1) + bytes[3] - ' ' - 1;
+ slen += num_bytes;
+ // equal to K_MOUSEMOVE
+ if (key_name[1] == (int)KE_MOUSEMOVE_XY)
+ key_name[1] = (int)KE_MOUSEMOVE;
+ }
+ else
+#endif
+ /*
+ * If it is a mouse click, get the coordinates.
+ */
+ if (key_name[0] == KS_MOUSE
+#ifdef FEAT_MOUSE_GPM
+ || key_name[0] == KS_GPM_MOUSE
+#endif
+#ifdef FEAT_MOUSE_JSB
+ || key_name[0] == KS_JSBTERM_MOUSE
+#endif
+#ifdef FEAT_MOUSE_NET
+ || key_name[0] == KS_NETTERM_MOUSE
+#endif
+#ifdef FEAT_MOUSE_DEC
+ || key_name[0] == KS_DEC_MOUSE
+#endif
+#ifdef FEAT_MOUSE_PTERM
+ || key_name[0] == KS_PTERM_MOUSE
+#endif
+#ifdef FEAT_MOUSE_URXVT
+ || key_name[0] == KS_URXVT_MOUSE
+#endif
+ || key_name[0] == KS_SGR_MOUSE
+ || key_name[0] == KS_SGR_MOUSE_RELEASE)
+ {
+ if (check_termcode_mouse(tp, &slen, key_name, modifiers_start, idx,
+ &modifiers) == -1)
+ return -1;
+ }
+
+#ifdef FEAT_GUI
+ /*
+ * If using the GUI, then we get menu and scrollbar events.
+ *
+ * A menu event is encoded as K_SPECIAL, KS_MENU, KE_FILLER followed by
+ * four bytes which are to be taken as a pointer to the vimmenu_T
+ * structure.
+ *
+ * A tab line event is encoded as K_SPECIAL KS_TABLINE nr, where "nr"
+ * is one byte with the tab index.
+ *
+ * A scrollbar event is K_SPECIAL, KS_VER_SCROLLBAR, KE_FILLER followed
+ * by one byte representing the scrollbar number, and then four bytes
+ * representing a long_u which is the new value of the scrollbar.
+ *
+ * A horizontal scrollbar event is K_SPECIAL, KS_HOR_SCROLLBAR,
+ * KE_FILLER followed by four bytes representing a long_u which is the
+ * new value of the scrollbar.
+ */
+# ifdef FEAT_MENU
+ else if (key_name[0] == (int)KS_MENU)
+ {
+ long_u val;
+ int num_bytes = get_long_from_buf(tp + slen, &val);
+
+ if (num_bytes == -1)
+ return -1;
+ current_menu = (vimmenu_T *)val;
+ slen += num_bytes;
+
+ // The menu may have been deleted right after it was used, check
+ // for that.
+ if (check_menu_pointer(root_menu, current_menu) == FAIL)
+ {
+ key_name[0] = KS_EXTRA;
+ key_name[1] = (int)KE_IGNORE;
+ }
+ }
+# endif
+# ifdef FEAT_GUI_TABLINE
+ else if (key_name[0] == (int)KS_TABLINE)
+ {
+ // Selecting tabline tab or using its menu.
+ char_u bytes[6];
+ int num_bytes = get_bytes_from_buf(tp + slen, bytes, 1);
+
+ if (num_bytes == -1)
+ return -1;
+ current_tab = (int)bytes[0];
+ if (current_tab == 255) // -1 in a byte gives 255
+ current_tab = -1;
+ slen += num_bytes;
+ }
+ else if (key_name[0] == (int)KS_TABMENU)
+ {
+ // Selecting tabline tab or using its menu.
+ char_u bytes[6];
+ int num_bytes = get_bytes_from_buf(tp + slen, bytes, 2);
+
+ if (num_bytes == -1)
+ return -1;
+ current_tab = (int)bytes[0];
+ current_tabmenu = (int)bytes[1];
+ slen += num_bytes;
+ }
+# endif
+# ifndef USE_ON_FLY_SCROLL
+ else if (key_name[0] == (int)KS_VER_SCROLLBAR)
+ {
+ long_u val;
+ char_u bytes[6];
+ int num_bytes;
+
+ // Get the last scrollbar event in the queue of the same type
+ j = 0;
+ for (i = 0; tp[j] == CSI && tp[j + 1] == KS_VER_SCROLLBAR
+ && tp[j + 2] != NUL; ++i)
+ {
+ j += 3;
+ num_bytes = get_bytes_from_buf(tp + j, bytes, 1);
+ if (num_bytes == -1)
+ break;
+ if (i == 0)
+ current_scrollbar = (int)bytes[0];
+ else if (current_scrollbar != (int)bytes[0])
+ break;
+ j += num_bytes;
+ num_bytes = get_long_from_buf(tp + j, &val);
+ if (num_bytes == -1)
+ break;
+ scrollbar_value = val;
+ j += num_bytes;
+ slen = j;
+ }
+ if (i == 0) // not enough characters to make one
+ return -1;
+ }
+ else if (key_name[0] == (int)KS_HOR_SCROLLBAR)
+ {
+ long_u val;
+ int num_bytes;
+
+ // Get the last horiz. scrollbar event in the queue
+ j = 0;
+ for (i = 0; tp[j] == CSI && tp[j + 1] == KS_HOR_SCROLLBAR
+ && tp[j + 2] != NUL; ++i)
+ {
+ j += 3;
+ num_bytes = get_long_from_buf(tp + j, &val);
+ if (num_bytes == -1)
+ break;
+ scrollbar_value = val;
+ j += num_bytes;
+ slen = j;
+ }
+ if (i == 0) // not enough characters to make one
+ return -1;
+ }
+# endif // !USE_ON_FLY_SCROLL
+#endif // FEAT_GUI
+
+#if (defined(UNIX) || defined(VMS))
+ /*
+ * Handle FocusIn/FocusOut event sequences reported by XTerm.
+ * (CSI I/CSI O)
+ */
+ if (key_name[0] == KS_EXTRA
+# ifdef FEAT_GUI
+ && !gui.in_use
+# endif
+ )
+ {
+ if (key_name[1] == KE_FOCUSGAINED)
+ {
+ if (!focus_state)
+ {
+ ui_focus_change(TRUE);
+ did_cursorhold = TRUE;
+ focus_state = TRUE;
+ }
+ key_name[1] = (int)KE_IGNORE;
+ }
+ else if (key_name[1] == KE_FOCUSLOST)
+ {
+ if (focus_state)
+ {
+ ui_focus_change(FALSE);
+ did_cursorhold = TRUE;
+ focus_state = FALSE;
+ }
+ key_name[1] = (int)KE_IGNORE;
+ }
+ }
+#endif
+
+ /*
+ * Change <xHome> to <Home>, <xUp> to <Up>, etc.
+ */
+ key = handle_x_keys(TERMCAP2KEY(key_name[0], key_name[1]));
+
+ /*
+ * Add any modifier codes to our string.
+ */
+ new_slen = modifiers2keycode(modifiers, &key, string);
+
+ // Finally, add the special key code to our string
+ key_name[0] = KEY2TERMCAP0(key);
+ key_name[1] = KEY2TERMCAP1(key);
+ if (key_name[0] == KS_KEY)
+ {
+ // from ":set <M-b>=xx"
+ if (has_mbyte)
+ new_slen += (*mb_char2bytes)(key_name[1], string + new_slen);
+ else
+ string[new_slen++] = key_name[1];
+ }
+ else if (new_slen == 0 && key_name[0] == KS_EXTRA
+ && key_name[1] == KE_IGNORE)
+ {
+ // Do not put K_IGNORE into the buffer, do return KEYLEN_REMOVED
+ // to indicate what happened.
+ retval = KEYLEN_REMOVED;
+ }
+ else
+ {
+ string[new_slen++] = K_SPECIAL;
+ string[new_slen++] = key_name[0];
+ string[new_slen++] = key_name[1];
+ }
+ if (put_string_in_typebuf(offset, slen, string, new_slen,
+ buf, bufsize, buflen) == FAIL)
+ return -1;
+ return retval == 0 ? (len + new_slen - slen + offset) : retval;
+ }
+
+#ifdef FEAT_TERMRESPONSE
+ LOG_TR(("normal character"));
+#endif
+
+ return 0; // no match found
+}
+
+#if (defined(FEAT_TERMINAL) && defined(FEAT_TERMRESPONSE)) || defined(PROTO)
+/*
+ * Get the text foreground color, if known.
+ */
+ void
+term_get_fg_color(char_u *r, char_u *g, char_u *b)
+{
+ if (rfg_status.tr_progress != STATUS_GOT)
+ return;
+
+ *r = fg_r;
+ *g = fg_g;
+ *b = fg_b;
+}
+
+/*
+ * Get the text background color, if known.
+ */
+ void
+term_get_bg_color(char_u *r, char_u *g, char_u *b)
+{
+ if (rbg_status.tr_progress != STATUS_GOT)
+ return;
+
+ *r = bg_r;
+ *g = bg_g;
+ *b = bg_b;
+}
+#endif
+
+/*
+ * Replace any terminal code strings in from[] with the equivalent internal
+ * vim representation. This is used for the "from" and "to" part of a
+ * mapping, and the "to" part of a menu command.
+ * Any strings like "<C-UP>" are also replaced, unless 'cpoptions' contains
+ * '<'.
+ * K_SPECIAL by itself is replaced by K_SPECIAL KS_SPECIAL KE_FILLER.
+ *
+ * The replacement is done in result[] and finally copied into allocated
+ * memory. If this all works well *bufp is set to the allocated memory and a
+ * pointer to it is returned. If something fails *bufp is set to NULL and from
+ * is returned.
+ *
+ * CTRL-V characters are removed. When "flags" has REPTERM_FROM_PART, a
+ * trailing CTRL-V is included, otherwise it is removed (for ":map xx ^V", maps
+ * xx to nothing). When 'cpoptions' does not contain 'B', a backslash can be
+ * used instead of a CTRL-V.
+ *
+ * Flags:
+ * REPTERM_FROM_PART see above
+ * REPTERM_DO_LT also translate <lt>
+ * REPTERM_SPECIAL always accept <key> notation
+ * REPTERM_NO_SIMPLIFY do not simplify <C-H> to 0x08 and set 8th bit for <A-x>
+ *
+ * "did_simplify" is set when some <C-H> or <A-x> code was simplified, unless
+ * it is NULL.
+ */
+ char_u *
+replace_termcodes(
+ char_u *from,
+ char_u **bufp,
+ int flags,
+ int *did_simplify)
+{
+ int i;
+ int slen;
+ int key;
+ size_t dlen = 0;
+ char_u *src;
+ int do_backslash; // backslash is a special character
+ int do_special; // recognize <> key codes
+ int do_key_code; // recognize raw key codes
+ char_u *result; // buffer for resulting string
+ garray_T ga;
+
+ do_backslash = (vim_strchr(p_cpo, CPO_BSLASH) == NULL);
+ do_special = (vim_strchr(p_cpo, CPO_SPECI) == NULL)
+ || (flags & REPTERM_SPECIAL);
+ do_key_code = (vim_strchr(p_cpo, CPO_KEYCODE) == NULL);
+ src = from;
+
+ /*
+ * Allocate space for the translation. Worst case a single character is
+ * replaced by 6 bytes (shifted special key), plus a NUL at the end.
+ * In the rare case more might be needed ga_grow() must be called again.
+ */
+ ga_init2(&ga, 1L, 100);
+ if (ga_grow(&ga, (int)(STRLEN(src) * 6 + 1)) == FAIL) // out of memory
+ {
+ *bufp = NULL;
+ return from;
+ }
+ result = ga.ga_data;
+
+ /*
+ * Check for #n at start only: function key n
+ */
+ if ((flags & REPTERM_FROM_PART) && src[0] == '#' && VIM_ISDIGIT(src[1]))
+ {
+ result[dlen++] = K_SPECIAL;
+ result[dlen++] = 'k';
+ if (src[1] == '0')
+ result[dlen++] = ';'; // #0 is F10 is "k;"
+ else
+ result[dlen++] = src[1]; // #3 is F3 is "k3"
+ src += 2;
+ }
+
+ /*
+ * Copy each byte from *from to result[dlen]
+ */
+ while (*src != NUL)
+ {
+ /*
+ * If 'cpoptions' does not contain '<', check for special key codes,
+ * like "<C-S-LeftMouse>"
+ */
+ if (do_special && ((flags & REPTERM_DO_LT)
+ || STRNCMP(src, "<lt>", 4) != 0))
+ {
+#ifdef FEAT_EVAL
+ /*
+ * Change <SID>Func to K_SNR <script-nr> _Func. This name is used
+ * for script-locla user functions.
+ * (room: 5 * 6 = 30 bytes; needed: 3 + <nr> + 1 <= 14)
+ * Also change <SID>name.Func to K_SNR <import-script-nr> _Func.
+ * Only if "name" is recognized as an import.
+ */
+ if (STRNICMP(src, "<SID>", 5) == 0)
+ {
+ if (current_sctx.sc_sid <= 0)
+ emsg(_(e_using_sid_not_in_script_context));
+ else
+ {
+ char_u *dot;
+ long sid = current_sctx.sc_sid;
+
+ src += 5;
+ if (in_vim9script()
+ && (dot = vim_strchr(src, '.')) != NULL)
+ {
+ imported_T *imp = find_imported(src, dot - src, FALSE);
+
+ if (imp != NULL)
+ {
+ scriptitem_T *si = SCRIPT_ITEM(imp->imp_sid);
+ size_t len;
+
+ src = dot + 1;
+ if (si->sn_autoload_prefix != NULL)
+ {
+ // Turn "<SID>name.Func"
+ // into "scriptname#Func".
+ len = STRLEN(si->sn_autoload_prefix);
+ if (ga_grow(&ga,
+ (int)(STRLEN(src) * 6 + len + 1)) == FAIL)
+ {
+ ga_clear(&ga);
+ *bufp = NULL;
+ return from;
+ }
+ result = ga.ga_data;
+ STRCPY(result + dlen, si->sn_autoload_prefix);
+ dlen += len;
+ continue;
+ }
+ sid = imp->imp_sid;
+ }
+ }
+
+ result[dlen++] = K_SPECIAL;
+ result[dlen++] = (int)KS_EXTRA;
+ result[dlen++] = (int)KE_SNR;
+ sprintf((char *)result + dlen, "%ld", sid);
+ dlen += STRLEN(result + dlen);
+ result[dlen++] = '_';
+ continue;
+ }
+ }
+#endif
+ int fsk_flags = FSK_KEYCODE
+ | ((flags & REPTERM_NO_SIMPLIFY) ? 0 : FSK_SIMPLIFY)
+ | ((flags & REPTERM_FROM_PART) ? FSK_FROM_PART : 0);
+ slen = trans_special(&src, result + dlen, fsk_flags,
+ TRUE, did_simplify);
+ if (slen > 0)
+ {
+ dlen += slen;
+ continue;
+ }
+ }
+
+ /*
+ * If 'cpoptions' does not contain 'k', see if it's an actual key-code.
+ * Note that this is also checked after replacing the <> form.
+ * Single character codes are NOT replaced (e.g. ^H or DEL), because
+ * it could be a character in the file.
+ */
+ if (do_key_code)
+ {
+ i = find_term_bykeys(src);
+ if (i >= 0)
+ {
+ result[dlen++] = K_SPECIAL;
+ result[dlen++] = termcodes[i].name[0];
+ result[dlen++] = termcodes[i].name[1];
+ src += termcodes[i].len;
+ // If terminal code matched, continue after it.
+ continue;
+ }
+ }
+
+#ifdef FEAT_EVAL
+ if (do_special)
+ {
+ char_u *p, *s, len;
+
+ /*
+ * Replace <Leader> by the value of "mapleader".
+ * Replace <LocalLeader> by the value of "maplocalleader".
+ * If "mapleader" or "maplocalleader" isn't set use a backslash.
+ */
+ if (STRNICMP(src, "<Leader>", 8) == 0)
+ {
+ len = 8;
+ p = get_var_value((char_u *)"g:mapleader");
+ }
+ else if (STRNICMP(src, "<LocalLeader>", 13) == 0)
+ {
+ len = 13;
+ p = get_var_value((char_u *)"g:maplocalleader");
+ }
+ else
+ {
+ len = 0;
+ p = NULL;
+ }
+ if (len != 0)
+ {
+ // Allow up to 8 * 6 characters for "mapleader".
+ if (p == NULL || *p == NUL || STRLEN(p) > 8 * 6)
+ s = (char_u *)"\\";
+ else
+ s = p;
+ while (*s != NUL)
+ result[dlen++] = *s++;
+ src += len;
+ continue;
+ }
+ }
+#endif
+
+ /*
+ * Remove CTRL-V and ignore the next character.
+ * For "from" side the CTRL-V at the end is included, for the "to"
+ * part it is removed.
+ * If 'cpoptions' does not contain 'B', also accept a backslash.
+ */
+ key = *src;
+ if (key == Ctrl_V || (do_backslash && key == '\\'))
+ {
+ ++src; // skip CTRL-V or backslash
+ if (*src == NUL)
+ {
+ if (flags & REPTERM_FROM_PART)
+ result[dlen++] = key;
+ break;
+ }
+ }
+
+ // skip multibyte char correctly
+ for (i = (*mb_ptr2len)(src); i > 0; --i)
+ {
+ /*
+ * If the character is K_SPECIAL, replace it with K_SPECIAL
+ * KS_SPECIAL KE_FILLER.
+ * If compiled with the GUI replace CSI with K_CSI.
+ */
+ if (*src == K_SPECIAL)
+ {
+ result[dlen++] = K_SPECIAL;
+ result[dlen++] = KS_SPECIAL;
+ result[dlen++] = KE_FILLER;
+ }
+# ifdef FEAT_GUI
+ else if (*src == CSI)
+ {
+ result[dlen++] = K_SPECIAL;
+ result[dlen++] = KS_EXTRA;
+ result[dlen++] = (int)KE_CSI;
+ }
+# endif
+ else
+ result[dlen++] = *src;
+ ++src;
+ }
+ }
+ result[dlen] = NUL;
+
+ /*
+ * Copy the new string to allocated memory.
+ * If this fails, just return from.
+ */
+ if ((*bufp = vim_strsave(result)) != NULL)
+ from = *bufp;
+ vim_free(result);
+ return from;
+}
+
+/*
+ * Find a termcode with keys 'src' (must be NUL terminated).
+ * Return the index in termcodes[], or -1 if not found.
+ */
+ static int
+find_term_bykeys(char_u *src)
+{
+ int i;
+ int slen = (int)STRLEN(src);
+
+ for (i = 0; i < tc_len; ++i)
+ {
+ if (slen == termcodes[i].len
+ && STRNCMP(termcodes[i].code, src, (size_t)slen) == 0)
+ return i;
+ }
+ return -1;
+}
+
+/*
+ * Gather the first characters in the terminal key codes into a string.
+ * Used to speed up check_termcode().
+ */
+ static void
+gather_termleader(void)
+{
+ int i;
+ int len = 0;
+
+#ifdef FEAT_GUI
+ if (gui.in_use)
+ termleader[len++] = CSI; // the GUI codes are not in termcodes[]
+#endif
+#ifdef FEAT_TERMRESPONSE
+ if (check_for_codes || *T_CRS != NUL)
+ termleader[len++] = DCS; // the termcode response starts with DCS
+ // in 8-bit mode
+#endif
+ termleader[len] = NUL;
+
+ for (i = 0; i < tc_len; ++i)
+ if (vim_strchr(termleader, termcodes[i].code[0]) == NULL)
+ {
+ termleader[len++] = termcodes[i].code[0];
+ termleader[len] = NUL;
+ }
+
+ need_gather = FALSE;
+}
+
+/*
+ * Show all termcodes (for ":set termcap")
+ * This code looks a lot like showoptions(), but is different.
+ * "flags" can have OPT_ONECOLUMN.
+ */
+ void
+show_termcodes(int flags)
+{
+ int col;
+ int *items;
+ int item_count;
+ int run;
+ int row, rows;
+ int cols;
+ int i;
+ int len;
+
+#define INC3 27 // try to make three columns
+#define INC2 40 // try to make two columns
+#define GAP 2 // spaces between columns
+
+ if (tc_len == 0) // no terminal codes (must be GUI)
+ return;
+ items = ALLOC_MULT(int, tc_len);
+ if (items == NULL)
+ return;
+
+ // Highlight title
+ msg_puts_title(_("\n--- Terminal keys ---"));
+
+ /*
+ * Do the loop three times:
+ * 1. display the short items (non-strings and short strings)
+ * 2. display the medium items (medium length strings)
+ * 3. display the long items (remaining strings)
+ * When "flags" has OPT_ONECOLUMN do everything in 3.
+ */
+ for (run = (flags & OPT_ONECOLUMN) ? 3 : 1; run <= 3 && !got_int; ++run)
+ {
+ /*
+ * collect the items in items[]
+ */
+ item_count = 0;
+ for (i = 0; i < tc_len; i++)
+ {
+ len = show_one_termcode(termcodes[i].name,
+ termcodes[i].code, FALSE);
+ if ((flags & OPT_ONECOLUMN) ||
+ (len <= INC3 - GAP ? run == 1
+ : len <= INC2 - GAP ? run == 2
+ : run == 3))
+ items[item_count++] = i;
+ }
+
+ /*
+ * display the items
+ */
+ if (run <= 2)
+ {
+ cols = (Columns + GAP) / (run == 1 ? INC3 : INC2);
+ if (cols == 0)
+ cols = 1;
+ rows = (item_count + cols - 1) / cols;
+ }
+ else // run == 3
+ rows = item_count;
+ for (row = 0; row < rows && !got_int; ++row)
+ {
+ msg_putchar('\n'); // go to next line
+ if (got_int) // 'q' typed in more
+ break;
+ col = 0;
+ for (i = row; i < item_count; i += rows)
+ {
+ msg_col = col; // make columns
+ show_one_termcode(termcodes[items[i]].name,
+ termcodes[items[i]].code, TRUE);
+ if (run == 2)
+ col += INC2;
+ else
+ col += INC3;
+ }
+ out_flush();
+ ui_breakcheck();
+ }
+ }
+ vim_free(items);
+}
+
+/*
+ * Show one termcode entry.
+ * Output goes into IObuff[]
+ */
+ int
+show_one_termcode(char_u *name, char_u *code, int printit)
+{
+ char_u *p;
+ int len;
+
+ if (name[0] > '~')
+ {
+ IObuff[0] = ' ';
+ IObuff[1] = ' ';
+ IObuff[2] = ' ';
+ IObuff[3] = ' ';
+ }
+ else
+ {
+ IObuff[0] = 't';
+ IObuff[1] = '_';
+ IObuff[2] = name[0];
+ IObuff[3] = name[1];
+ }
+ IObuff[4] = ' ';
+
+ p = get_special_key_name(TERMCAP2KEY(name[0], name[1]), 0);
+ if (p[1] != 't')
+ STRCPY(IObuff + 5, p);
+ else
+ IObuff[5] = NUL;
+ len = (int)STRLEN(IObuff);
+ do
+ IObuff[len++] = ' ';
+ while (len < 17);
+ IObuff[len] = NUL;
+ if (code == NULL)
+ len += 4;
+ else
+ len += vim_strsize(code);
+
+ if (printit)
+ {
+ msg_puts((char *)IObuff);
+ if (code == NULL)
+ msg_puts("NULL");
+ else
+ msg_outtrans(code);
+ }
+ return len;
+}
+
+#if defined(FEAT_TERMRESPONSE) || defined(PROTO)
+/*
+ * For Xterm >= 140 compiled with OPT_TCAP_QUERY: Obtain the actually used
+ * termcap codes from the terminal itself.
+ * We get them one by one to avoid a very long response string.
+ */
+static int xt_index_in = 0;
+static int xt_index_out = 0;
+
+ static void
+req_codes_from_term(void)
+{
+ xt_index_out = 0;
+ xt_index_in = 0;
+ req_more_codes_from_term();
+}
+
+ static void
+req_more_codes_from_term(void)
+{
+ char buf[23]; // extra size to shut up LGTM
+ int old_idx = xt_index_out;
+
+ // Don't do anything when going to exit.
+ if (exiting)
+ return;
+
+ // Send up to 10 more requests out than we received. Avoid sending too
+ // many, there can be a buffer overflow somewhere.
+ while (xt_index_out < xt_index_in + 10 && key_names[xt_index_out] != NULL)
+ {
+ char *key_name = key_names[xt_index_out];
+
+ MAY_WANT_TO_LOG_THIS;
+ LOG_TR(("Requesting XT %d: %s", xt_index_out, key_name));
+ sprintf(buf, "\033P+q%02x%02x\033\\", key_name[0], key_name[1]);
+ out_str_nf((char_u *)buf);
+ ++xt_index_out;
+ }
+
+ // Send the codes out right away.
+ if (xt_index_out != old_idx)
+ out_flush();
+}
+
+/*
+ * Decode key code response from xterm: '<Esc>P1+r<name>=<string><Esc>\'.
+ * A "0" instead of the "1" indicates a code that isn't supported.
+ * Both <name> and <string> are encoded in hex.
+ * "code" points to the "0" or "1".
+ */
+ static void
+got_code_from_term(char_u *code, int len)
+{
+#define XT_LEN 100
+ char_u name[3];
+ char_u str[XT_LEN];
+ int i;
+ int j = 0;
+ int c;
+
+ // A '1' means the code is supported, a '0' means it isn't.
+ // When half the length is > XT_LEN we can't use it.
+ // Our names are currently all 2 characters.
+ if (code[0] == '1' && code[7] == '=' && len / 2 < XT_LEN)
+ {
+ // Get the name from the response and find it in the table.
+ name[0] = hexhex2nr(code + 3);
+ name[1] = hexhex2nr(code + 5);
+ name[2] = NUL;
+ for (i = 0; key_names[i] != NULL; ++i)
+ {
+ if (STRCMP(key_names[i], name) == 0)
+ {
+ xt_index_in = i;
+ break;
+ }
+ }
+
+ LOG_TR(("Received XT %d: %s", xt_index_in, (char *)name));
+
+ if (key_names[i] != NULL)
+ {
+ for (i = 8; (c = hexhex2nr(code + i)) >= 0; i += 2)
+ str[j++] = c;
+ str[j] = NUL;
+ if (name[0] == 'C' && name[1] == 'o')
+ {
+ // Color count is not a key code.
+ int val = atoi((char *)str);
+#if defined(FEAT_EVAL)
+ if (val == t_colors)
+ ch_log(NULL, "got_code_from_term(Co): no change (%d)", val);
+ else
+ ch_log(NULL,
+ "got_code_from_term(Co): changed from %d to %d",
+ t_colors, val);
+#endif
+ may_adjust_color_count(val);
+ }
+ else
+ {
+ i = find_term_bykeys(str);
+ if (i >= 0 && name[0] == termcodes[i].name[0]
+ && name[1] == termcodes[i].name[1])
+ {
+ // Existing entry with the same name and code - skip.
+#ifdef FEAT_EVAL
+ ch_log(NULL, "got_code_from_term(): Entry %c%c did not change",
+ name[0], name[1]);
+#endif
+ }
+ else
+ {
+ if (i >= 0)
+ {
+ // Delete an existing entry using the same code.
+#ifdef FEAT_EVAL
+ ch_log(NULL, "got_code_from_term(): Deleting entry %c%c with matching keys %s",
+ termcodes[i].name[0], termcodes[i].name[1], str);
+#endif
+ del_termcode_idx(i);
+ }
+#ifdef FEAT_EVAL
+ else
+ ch_log(NULL, "got_code_from_term(): Adding entry %c%c with keys %s",
+ name[0], name[1], str);
+#endif
+ add_termcode(name, str, ATC_FROM_TERM);
+ }
+ }
+ }
+ }
+
+ // May request more codes now that we received one.
+ ++xt_index_in;
+ req_more_codes_from_term();
+}
+
+/*
+ * Check if there are any unanswered requests and deal with them.
+ * This is called before starting an external program or getting direct
+ * keyboard input. We don't want responses to be send to that program or
+ * handled as typed text.
+ */
+ static void
+check_for_codes_from_term(void)
+{
+ int c;
+
+ // If no codes requested or all are answered, no need to wait.
+ if (xt_index_out == 0 || xt_index_out == xt_index_in)
+ return;
+
+ // Vgetc() will check for and handle any response.
+ // Keep calling vpeekc() until we don't get any responses.
+ ++no_mapping;
+ ++allow_keys;
+ for (;;)
+ {
+ c = vpeekc();
+ if (c == NUL) // nothing available
+ break;
+
+ // If a response is recognized it's replaced with K_IGNORE, must read
+ // it from the input stream. If there is no K_IGNORE we can't do
+ // anything, break here (there might be some responses further on, but
+ // we don't want to throw away any typed chars).
+ if (c != K_SPECIAL && c != K_IGNORE)
+ break;
+ c = vgetc();
+ if (c != K_IGNORE)
+ {
+ vungetc(c);
+ break;
+ }
+ }
+ --no_mapping;
+ --allow_keys;
+}
+#endif
+
+#if (defined(MSWIN) && (!defined(FEAT_GUI) || defined(VIMDLL))) || defined(PROTO)
+static char ksme_str[20];
+static char ksmr_str[20];
+static char ksmd_str[20];
+
+/*
+ * For Win32 console: update termcap codes for existing console attributes.
+ */
+ void
+update_tcap(int attr)
+{
+ sprintf(ksme_str, "\033|%dm", attr);
+ sprintf(ksmd_str, "\033|%dm", attr | 0x08); // FOREGROUND_INTENSITY
+ sprintf(ksmr_str, "\033|%dm", ((attr & 0x0F) << 4) | ((attr & 0xF0) >> 4));
+
+ tcap_entry_T *p = find_builtin_term(DEFAULT_TERM);
+ if (p == NULL) // did not find it
+ return;
+ while (p->bt_string != NULL)
+ {
+ if (p->bt_entry == (int)KS_ME)
+ p->bt_string = &ksme_str[0];
+ else if (p->bt_entry == (int)KS_MR)
+ p->bt_string = &ksmr_str[0];
+ else if (p->bt_entry == (int)KS_MD)
+ p->bt_string = &ksmd_str[0];
+ ++p;
+ }
+}
+
+# ifdef FEAT_TERMGUICOLORS
+# define KSSIZE 20
+
+typedef enum
+{
+ CMODE_INDEXED = 0, // Use cmd.exe 4bit palette.
+ CMODE_RGB, // Use 24bit RGB colors using VTP.
+ CMODE_256COL, // Emulate xterm's 256-color palette using VTP.
+ CMODE_LAST,
+} cmode_T;
+
+struct ks_tbl_S
+{
+ int code; // value of KS_
+ char *vtp; // code in RGB mode
+ char *vtp2; // code in 256color mode
+ char buf[CMODE_LAST][KSSIZE]; // real buffer
+};
+
+static struct ks_tbl_S ks_tbl[] =
+{
+ {(int)KS_ME, "\033|0m", "\033|0m", {""}}, // normal
+ {(int)KS_MR, "\033|7m", "\033|7m", {""}}, // reverse
+ {(int)KS_MD, "\033|1m", "\033|1m", {""}}, // bold
+ {(int)KS_SO, "\033|91m", "\033|91m", {""}}, // standout: bright red text
+ {(int)KS_SE, "\033|39m", "\033|39m", {""}}, // standout end: default color
+ {(int)KS_CZH, "\033|3m", "\033|3m", {""}}, // italic
+ {(int)KS_CZR, "\033|0m", "\033|0m", {""}}, // italic end
+ {(int)KS_US, "\033|4m", "\033|4m", {""}}, // underscore
+ {(int)KS_UE, "\033|24m", "\033|24m", {""}}, // underscore end
+# ifdef TERMINFO
+ {(int)KS_CAB, "\033|%p1%db", "\033|%p14%dm", {""}}, // set background color
+ {(int)KS_CAF, "\033|%p1%df", "\033|%p13%dm", {""}}, // set foreground color
+ {(int)KS_CS, "\033|%p1%d;%p2%dR", "\033|%p1%d;%p2%dR", {""}},
+ {(int)KS_CSV, "\033|%p1%d;%p2%dV", "\033|%p1%d;%p2%dV", {""}},
+# else
+ {(int)KS_CAB, "\033|%db", "\033|4%dm", {""}}, // set background color
+ {(int)KS_CAF, "\033|%df", "\033|3%dm", {""}}, // set foreground color
+ {(int)KS_CS, "\033|%d;%dR", "\033|%d;%dR", {""}},
+ {(int)KS_CSV, "\033|%d;%dV", "\033|%d;%dV", {""}},
+# endif
+ {(int)KS_CCO, "256", "256", {""}}, // colors
+ {(int)KS_NAME, NULL, NULL, {""}} // terminator
+};
+
+/*
+ * Find the first entry for "code" in the builtin termcap for "name".
+ * Returns NULL when not found.
+ */
+ static tcap_entry_T *
+find_first_tcap(
+ char_u *name,
+ int code)
+{
+ tcap_entry_T *p = find_builtin_term(name);
+ if (p == NULL)
+ return NULL;
+ while (p->bt_string != NULL)
+ {
+ if (p->bt_entry == code)
+ return p;
+ ++p;
+ }
+ return NULL;
+}
+# endif
+
+/*
+ * For Win32 console: replace the sequence immediately after termguicolors.
+ */
+ void
+swap_tcap(void)
+{
+# ifdef FEAT_TERMGUICOLORS
+ static int init_done = FALSE;
+ static cmode_T curr_mode;
+ struct ks_tbl_S *ks;
+ cmode_T mode;
+
+ if (!init_done)
+ {
+ for (ks = ks_tbl; ks->code != (int)KS_NAME; ks++)
+ {
+ tcap_entry_T *bt = find_first_tcap(DEFAULT_TERM, ks->code);
+ if (bt != NULL)
+ {
+ // Preserve the original value.
+ STRNCPY(ks->buf[CMODE_INDEXED], bt->bt_string, KSSIZE);
+ STRNCPY(ks->buf[CMODE_RGB], ks->vtp, KSSIZE);
+ STRNCPY(ks->buf[CMODE_256COL], ks->vtp2, KSSIZE);
+
+ bt->bt_string = ks->buf[CMODE_INDEXED];
+ }
+ }
+ init_done = TRUE;
+ curr_mode = CMODE_INDEXED;
+ }
+
+ if (p_tgc)
+ mode = CMODE_RGB;
+ else if (t_colors >= 256)
+ mode = CMODE_256COL;
+ else
+ mode = CMODE_INDEXED;
+
+ if (mode == curr_mode)
+ return;
+
+ for (ks = ks_tbl; ks->code != (int)KS_NAME; ks++)
+ {
+ tcap_entry_T *bt = find_first_tcap(DEFAULT_TERM, ks->code);
+ if (bt != NULL)
+ bt->bt_string = ks->buf[mode];
+ }
+
+ curr_mode = mode;
+# endif
+}
+
+#endif
+
+
+#if (defined(MSWIN) && (!defined(FEAT_GUI_MSWIN) || defined(VIMDLL))) || defined(FEAT_TERMINAL) \
+ || defined(PROTO)
+static int cube_value[] = {
+ 0x00, 0x5F, 0x87, 0xAF, 0xD7, 0xFF
+};
+
+static int grey_ramp[] = {
+ 0x08, 0x12, 0x1C, 0x26, 0x30, 0x3A, 0x44, 0x4E, 0x58, 0x62, 0x6C, 0x76,
+ 0x80, 0x8A, 0x94, 0x9E, 0xA8, 0xB2, 0xBC, 0xC6, 0xD0, 0xDA, 0xE4, 0xEE
+};
+
+static const char_u ansi_table[16][3] = {
+// R G B
+ { 0, 0, 0}, // black
+ {224, 0, 0}, // dark red
+ { 0, 224, 0}, // dark green
+ {224, 224, 0}, // dark yellow / brown
+ { 0, 0, 224}, // dark blue
+ {224, 0, 224}, // dark magenta
+ { 0, 224, 224}, // dark cyan
+ {224, 224, 224}, // light grey
+
+ {128, 128, 128}, // dark grey
+ {255, 64, 64}, // light red
+ { 64, 255, 64}, // light green
+ {255, 255, 64}, // yellow
+ { 64, 64, 255}, // light blue
+ {255, 64, 255}, // light magenta
+ { 64, 255, 255}, // light cyan
+ {255, 255, 255}, // white
+};
+
+#if defined(MSWIN)
+// Mapping between cterm indices < 16 and their counterpart in the ANSI palette.
+static const char_u cterm_ansi_idx[] = {
+ 0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15
+};
+#endif
+
+#define ANSI_INDEX_NONE 0
+
+ void
+ansi_color2rgb(int nr, char_u *r, char_u *g, char_u *b, char_u *ansi_idx)
+{
+ if (nr < 16)
+ {
+ *r = ansi_table[nr][0];
+ *g = ansi_table[nr][1];
+ *b = ansi_table[nr][2];
+ *ansi_idx = nr;
+ }
+ else
+ {
+ *r = 0;
+ *g = 0;
+ *b = 0;
+ *ansi_idx = ANSI_INDEX_NONE;
+ }
+}
+
+ void
+cterm_color2rgb(int nr, char_u *r, char_u *g, char_u *b, char_u *ansi_idx)
+{
+ int idx;
+
+ if (nr < 16)
+ {
+#if defined(MSWIN)
+ idx = cterm_ansi_idx[nr];
+#else
+ idx = nr;
+#endif
+ *r = ansi_table[idx][0];
+ *g = ansi_table[idx][1];
+ *b = ansi_table[idx][2];
+ *ansi_idx = idx + 1;
+ }
+ else if (nr < 232)
+ {
+ // 216 color cube
+ idx = nr - 16;
+ *r = cube_value[idx / 36 % 6];
+ *g = cube_value[idx / 6 % 6];
+ *b = cube_value[idx % 6];
+ *ansi_idx = ANSI_INDEX_NONE;
+ }
+ else if (nr < 256)
+ {
+ // 24 grey scale ramp
+ idx = nr - 232;
+ *r = grey_ramp[idx];
+ *g = grey_ramp[idx];
+ *b = grey_ramp[idx];
+ *ansi_idx = ANSI_INDEX_NONE;
+ }
+ else
+ {
+ *r = 0;
+ *g = 0;
+ *b = 0;
+ *ansi_idx = ANSI_INDEX_NONE;
+ }
+}
+#endif
+
+/*
+ * Replace K_BS by <BS> and K_DEL by <DEL>.
+ * Include any modifiers into the key and drop them.
+ * Returns "len" adjusted for replaced codes.
+ */
+ int
+term_replace_keycodes(char_u *ta_buf, int ta_len, int len_arg)
+{
+ int len = len_arg;
+ int i;
+ int c;
+
+ for (i = ta_len; i < ta_len + len; ++i)
+ {
+ if (ta_buf[i] == CSI && len - i > 3 && ta_buf[i + 1] == KS_MODIFIER)
+ {
+ int modifiers = ta_buf[i + 2];
+ int key = ta_buf[i + 3];
+
+ // Try to use the modifier to modify the key. In any case drop the
+ // modifier.
+ mch_memmove(ta_buf + i + 1, ta_buf + i + 4, (size_t)(len - i - 3));
+ len -= 3;
+ if (key < 0x80)
+ key = merge_modifyOtherKeys(key, &modifiers);
+ ta_buf[i] = key;
+ }
+ else if (ta_buf[i] == CSI && len - i > 2)
+ {
+ c = TERMCAP2KEY(ta_buf[i + 1], ta_buf[i + 2]);
+ if (c == K_DEL || c == K_KDEL || c == K_BS)
+ {
+ mch_memmove(ta_buf + i + 1, ta_buf + i + 3,
+ (size_t)(len - i - 2));
+ if (c == K_DEL || c == K_KDEL)
+ ta_buf[i] = DEL;
+ else
+ ta_buf[i] = Ctrl_H;
+ len -= 2;
+ }
+ }
+ else if (ta_buf[i] == '\r')
+ ta_buf[i] = '\n';
+ if (has_mbyte)
+ i += (*mb_ptr2len_len)(ta_buf + i, ta_len + len - i) - 1;
+ }
+ return len;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-02 00:17:00 +0000