mirror of
https://github.com/neovim/neovim.git
synced 2024-12-23 12:45:17 -07:00
35874208b8
"has_mbyte" always evaluates to "true". Continue dead code removal, started in https://github.com/neovim/neovim/pull/13275.
560 lines
18 KiB
C
560 lines
18 KiB
C
#include <stdbool.h>
|
|
|
|
#include "nvim/types.h"
|
|
#include "nvim/keymap.h"
|
|
#include "nvim/ascii.h"
|
|
#include "nvim/eval/typval.h"
|
|
|
|
#define MOD_KEYS_ENTRY_SIZE 5
|
|
|
|
static char_u modifier_keys_table[] =
|
|
{
|
|
MOD_MASK_SHIFT, '&', '9', '@', '1',
|
|
MOD_MASK_SHIFT, '&', '0', '@', '2',
|
|
MOD_MASK_SHIFT, '*', '1', '@', '4',
|
|
MOD_MASK_SHIFT, '*', '2', '@', '5',
|
|
MOD_MASK_SHIFT, '*', '3', '@', '6',
|
|
MOD_MASK_SHIFT, '*', '4', 'k', 'D',
|
|
MOD_MASK_SHIFT, '*', '5', 'k', 'L',
|
|
MOD_MASK_SHIFT, '*', '7', '@', '7',
|
|
MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_END, '@', '7',
|
|
MOD_MASK_SHIFT, '*', '9', '@', '9',
|
|
MOD_MASK_SHIFT, '*', '0', '@', '0',
|
|
MOD_MASK_SHIFT, '#', '1', '%', '1',
|
|
MOD_MASK_SHIFT, '#', '2', 'k', 'h',
|
|
MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_HOME, 'k', 'h',
|
|
MOD_MASK_SHIFT, '#', '3', 'k', 'I',
|
|
MOD_MASK_SHIFT, '#', '4', 'k', 'l',
|
|
MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_LEFT, 'k', 'l',
|
|
MOD_MASK_SHIFT, '%', 'a', '%', '3',
|
|
MOD_MASK_SHIFT, '%', 'b', '%', '4',
|
|
MOD_MASK_SHIFT, '%', 'c', '%', '5',
|
|
MOD_MASK_SHIFT, '%', 'd', '%', '7',
|
|
MOD_MASK_SHIFT, '%', 'e', '%', '8',
|
|
MOD_MASK_SHIFT, '%', 'f', '%', '9',
|
|
MOD_MASK_SHIFT, '%', 'g', '%', '0',
|
|
MOD_MASK_SHIFT, '%', 'h', '&', '3',
|
|
MOD_MASK_SHIFT, '%', 'i', 'k', 'r',
|
|
MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_RIGHT, 'k', 'r',
|
|
MOD_MASK_SHIFT, '%', 'j', '&', '5',
|
|
MOD_MASK_SHIFT, '!', '1', '&', '6',
|
|
MOD_MASK_SHIFT, '!', '2', '&', '7',
|
|
MOD_MASK_SHIFT, '!', '3', '&', '8',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_UP, 'k', 'u',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_DOWN, 'k', 'd',
|
|
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF1, KS_EXTRA, (int)KE_XF1,
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF2, KS_EXTRA, (int)KE_XF2,
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF3, KS_EXTRA, (int)KE_XF3,
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF4, KS_EXTRA, (int)KE_XF4,
|
|
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F1, 'k', '1',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F2, 'k', '2',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F3, 'k', '3',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F4, 'k', '4',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F5, 'k', '5',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F6, 'k', '6',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F7, 'k', '7',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F8, 'k', '8',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F9, 'k', '9',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F10, 'k', ';',
|
|
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F11, 'F', '1',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F12, 'F', '2',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F13, 'F', '3',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F14, 'F', '4',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F15, 'F', '5',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F16, 'F', '6',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F17, 'F', '7',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F18, 'F', '8',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F19, 'F', '9',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F20, 'F', 'A',
|
|
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F21, 'F', 'B',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F22, 'F', 'C',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F23, 'F', 'D',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F24, 'F', 'E',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F25, 'F', 'F',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F26, 'F', 'G',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F27, 'F', 'H',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F28, 'F', 'I',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F29, 'F', 'J',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F30, 'F', 'K',
|
|
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F31, 'F', 'L',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F32, 'F', 'M',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F33, 'F', 'N',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F34, 'F', 'O',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F35, 'F', 'P',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F36, 'F', 'Q',
|
|
MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F37, 'F', 'R',
|
|
|
|
MOD_MASK_SHIFT, 'k', 'B', KS_EXTRA, (int)KE_TAB,
|
|
|
|
NUL
|
|
};
|
|
|
|
int simplify_key(const int key, int *modifiers)
|
|
{
|
|
if (*modifiers & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT)) {
|
|
// TAB is a special case.
|
|
if (key == TAB && (*modifiers & MOD_MASK_SHIFT)) {
|
|
*modifiers &= ~MOD_MASK_SHIFT;
|
|
return K_S_TAB;
|
|
}
|
|
const int key0 = KEY2TERMCAP0(key);
|
|
const int key1 = KEY2TERMCAP1(key);
|
|
for (int i = 0; modifier_keys_table[i] != NUL; i += MOD_KEYS_ENTRY_SIZE) {
|
|
if (key0 == modifier_keys_table[i + 3]
|
|
&& key1 == modifier_keys_table[i + 4]
|
|
&& (*modifiers & modifier_keys_table[i])) {
|
|
*modifiers &= ~modifier_keys_table[i];
|
|
return TERMCAP2KEY(modifier_keys_table[i + 1],
|
|
modifier_keys_table[i + 2]);
|
|
}
|
|
}
|
|
}
|
|
return key;
|
|
}
|
|
|
|
int handle_x_keys(const int key)
|
|
FUNC_ATTR_CONST FUNC_ATTR_WARN_UNUSED_RESULT
|
|
{
|
|
switch (key) {
|
|
case K_XUP: return K_UP;
|
|
case K_XDOWN: return K_DOWN;
|
|
case K_XLEFT: return K_LEFT;
|
|
case K_XRIGHT: return K_RIGHT;
|
|
case K_XHOME: return K_HOME;
|
|
case K_ZHOME: return K_HOME;
|
|
case K_XEND: return K_END;
|
|
case K_ZEND: return K_END;
|
|
case K_XF1: return K_F1;
|
|
case K_XF2: return K_F2;
|
|
case K_XF3: return K_F3;
|
|
case K_XF4: return K_F4;
|
|
case K_S_XF1: return K_S_F1;
|
|
case K_S_XF2: return K_S_F2;
|
|
case K_S_XF3: return K_S_F3;
|
|
case K_S_XF4: return K_S_F4;
|
|
}
|
|
return key;
|
|
}
|
|
|
|
static const struct key_name_entry {
|
|
int key; // Special key code or ascii value
|
|
const char *name; // Name of key
|
|
} key_names_table[] = {
|
|
{ ' ', "Space" },
|
|
{ TAB, "Tab" },
|
|
{ K_TAB, "Tab" },
|
|
{ NL, "NL" },
|
|
{ NL, "NewLine" }, // Alternative name
|
|
{ NL, "LineFeed" }, // Alternative name
|
|
{ NL, "LF" }, // Alternative name
|
|
{ CAR, "CR" },
|
|
{ CAR, "Return" }, // Alternative name
|
|
{ CAR, "Enter" }, // Alternative name
|
|
{ K_BS, "BS" },
|
|
{ K_BS, "BackSpace" }, // Alternative name
|
|
{ ESC, "Esc" },
|
|
{ CSI, "CSI" },
|
|
{ K_CSI, "xCSI" },
|
|
{ '|', "Bar" },
|
|
{ '\\', "Bslash" },
|
|
{ K_DEL, "Del" },
|
|
{ K_DEL, "Delete" }, // Alternative name
|
|
{ K_KDEL, "kDel" },
|
|
{ K_KDEL, "KPPeriod" }, // termkey KPPeriod value
|
|
{ K_UP, "Up" },
|
|
{ K_DOWN, "Down" },
|
|
{ K_LEFT, "Left" },
|
|
{ K_RIGHT, "Right" },
|
|
{ K_XUP, "xUp" },
|
|
{ K_XDOWN, "xDown" },
|
|
{ K_XLEFT, "xLeft" },
|
|
{ K_XRIGHT, "xRight" },
|
|
{ K_KUP, "kUp" },
|
|
{ K_KUP, "KP8" },
|
|
{ K_KDOWN, "kDown" },
|
|
{ K_KDOWN, "KP2" },
|
|
{ K_KLEFT, "kLeft" },
|
|
{ K_KLEFT, "KP4" },
|
|
{ K_KRIGHT, "kRight" },
|
|
{ K_KRIGHT, "KP6" },
|
|
|
|
{ K_F1, "F1" },
|
|
{ K_F2, "F2" },
|
|
{ K_F3, "F3" },
|
|
{ K_F4, "F4" },
|
|
{ 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_F13, "F13" },
|
|
{ K_F14, "F14" },
|
|
{ K_F15, "F15" },
|
|
{ K_F16, "F16" },
|
|
{ K_F17, "F17" },
|
|
{ K_F18, "F18" },
|
|
{ K_F19, "F19" },
|
|
{ K_F20, "F20" },
|
|
|
|
{ K_F21, "F21" },
|
|
{ K_F22, "F22" },
|
|
{ K_F23, "F23" },
|
|
{ K_F24, "F24" },
|
|
{ K_F25, "F25" },
|
|
{ K_F26, "F26" },
|
|
{ K_F27, "F27" },
|
|
{ K_F28, "F28" },
|
|
{ K_F29, "F29" },
|
|
{ K_F30, "F30" },
|
|
|
|
{ K_F31, "F31" },
|
|
{ K_F32, "F32" },
|
|
{ K_F33, "F33" },
|
|
{ K_F34, "F34" },
|
|
{ K_F35, "F35" },
|
|
{ K_F36, "F36" },
|
|
{ K_F37, "F37" },
|
|
|
|
{ K_XF1, "xF1" },
|
|
{ K_XF2, "xF2" },
|
|
{ K_XF3, "xF3" },
|
|
{ K_XF4, "xF4" },
|
|
|
|
{ K_HELP, "Help" },
|
|
{ K_UNDO, "Undo" },
|
|
{ K_INS, "Insert" },
|
|
{ K_INS, "Ins" }, // Alternative name
|
|
{ K_KINS, "kInsert" },
|
|
{ K_KINS, "KP0" },
|
|
{ K_HOME, "Home" },
|
|
{ K_KHOME, "kHome" },
|
|
{ K_KHOME, "KP7" },
|
|
{ K_XHOME, "xHome" },
|
|
{ K_ZHOME, "zHome" },
|
|
{ K_END, "End" },
|
|
{ K_KEND, "kEnd" },
|
|
{ K_XEND, "xEnd" },
|
|
{ K_ZEND, "zEnd" },
|
|
{ K_PAGEUP, "PageUp" },
|
|
{ K_PAGEDOWN, "PageDown" },
|
|
{ K_KPAGEUP, "kPageUp" },
|
|
{ K_KPAGEUP, "KP9" },
|
|
{ K_KPAGEDOWN, "kPageDown" },
|
|
{ K_KPAGEDOWN, "KP3" },
|
|
{ K_KORIGIN, "kOrigin" },
|
|
{ K_KORIGIN, "KP5" },
|
|
|
|
{ K_KPLUS, "kPlus" },
|
|
{ K_KPLUS, "KPPlus" },
|
|
{ K_KMINUS, "kMinus" },
|
|
{ K_KMINUS, "KPMinus" },
|
|
{ K_KDIVIDE, "kDivide" },
|
|
{ K_KDIVIDE, "KPDiv" },
|
|
{ K_KMULTIPLY, "kMultiply" },
|
|
{ K_KMULTIPLY, "KPMult" },
|
|
{ K_KENTER, "kEnter" },
|
|
{ K_KENTER, "KPEnter" },
|
|
{ K_KPOINT, "kPoint" },
|
|
|
|
{ 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" },
|
|
|
|
{ '<', "lt" },
|
|
|
|
{ K_MOUSE, "Mouse" },
|
|
{ K_LEFTMOUSE, "LeftMouse" },
|
|
{ K_LEFTMOUSE_NM, "LeftMouseNM" },
|
|
{ K_LEFTDRAG, "LeftDrag" },
|
|
{ K_LEFTRELEASE, "LeftRelease" },
|
|
{ K_LEFTRELEASE_NM, "LeftReleaseNM" },
|
|
{ K_MIDDLEMOUSE, "MiddleMouse" },
|
|
{ K_MIDDLEDRAG, "MiddleDrag" },
|
|
{ K_MIDDLERELEASE, "MiddleRelease" },
|
|
{ K_RIGHTMOUSE, "RightMouse" },
|
|
{ K_RIGHTDRAG, "RightDrag" },
|
|
{ K_RIGHTRELEASE, "RightRelease" },
|
|
{ K_MOUSEDOWN, "ScrollWheelUp" },
|
|
{ K_MOUSEUP, "ScrollWheelDown" },
|
|
{ K_MOUSELEFT, "ScrollWheelRight" },
|
|
{ K_MOUSERIGHT, "ScrollWheelLeft" },
|
|
{ K_MOUSEDOWN, "MouseDown" }, // OBSOLETE: Use
|
|
{ K_MOUSEUP, "MouseUp" }, // ScrollWheelXXX instead
|
|
{ K_X1MOUSE, "X1Mouse" },
|
|
{ K_X1DRAG, "X1Drag" },
|
|
{ K_X1RELEASE, "X1Release" },
|
|
{ K_X2MOUSE, "X2Mouse" },
|
|
{ K_X2DRAG, "X2Drag" },
|
|
{ K_X2RELEASE, "X2Release" },
|
|
{ K_DROP, "Drop" },
|
|
{ K_ZERO, "Nul" },
|
|
{ K_SNR, "SNR" },
|
|
{ K_PLUG, "Plug" },
|
|
{ K_PASTE, "Paste" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
int get_special_key_code(const char_u *name)
|
|
{
|
|
for (int i = 0; key_names_table[i].name != NULL; i++) {
|
|
const char *const table_name = key_names_table[i].name;
|
|
int j;
|
|
for (j = 0; ascii_isident(name[j]) && table_name[j] != NUL; j++) {
|
|
if (TOLOWER_ASC(table_name[j]) != TOLOWER_ASC(name[j])) {
|
|
break;
|
|
}
|
|
}
|
|
if (!ascii_isident(name[j]) && table_name[j] == NUL) {
|
|
return key_names_table[i].key;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static const struct modmasktable {
|
|
short mod_mask; ///< Bit-mask for particular key modifier.
|
|
short mod_flag; ///< Bit(s) for particular key modifier.
|
|
char_u name; ///< Single letter name of modifier.
|
|
} mod_mask_table[] = {
|
|
{MOD_MASK_ALT, MOD_MASK_ALT, (char_u)'M'},
|
|
{MOD_MASK_META, MOD_MASK_META, (char_u)'T'},
|
|
{MOD_MASK_CTRL, MOD_MASK_CTRL, (char_u)'C'},
|
|
{MOD_MASK_SHIFT, MOD_MASK_SHIFT, (char_u)'S'},
|
|
{MOD_MASK_MULTI_CLICK, MOD_MASK_2CLICK, (char_u)'2'},
|
|
{MOD_MASK_MULTI_CLICK, MOD_MASK_3CLICK, (char_u)'3'},
|
|
{MOD_MASK_MULTI_CLICK, MOD_MASK_4CLICK, (char_u)'4'},
|
|
{MOD_MASK_CMD, MOD_MASK_CMD, (char_u)'D'},
|
|
// 'A' must be the last one
|
|
{MOD_MASK_ALT, MOD_MASK_ALT, (char_u)'A'},
|
|
{0, 0, NUL}
|
|
};
|
|
|
|
int name_to_mod_mask(int c)
|
|
{
|
|
c = TOUPPER_ASC(c);
|
|
for (size_t i = 0; mod_mask_table[i].mod_mask != 0; i++) {
|
|
if (c == mod_mask_table[i].name) {
|
|
return mod_mask_table[i].mod_flag;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int extract_modifiers(int key, int *modp)
|
|
{
|
|
int modifiers = *modp;
|
|
|
|
if (!(modifiers & MOD_MASK_CMD)) { // Command-key is special
|
|
if ((modifiers & MOD_MASK_SHIFT) && ASCII_ISALPHA(key)) {
|
|
key = TOUPPER_ASC(key);
|
|
modifiers &= ~MOD_MASK_SHIFT;
|
|
}
|
|
}
|
|
if ((modifiers & MOD_MASK_CTRL)
|
|
&& ((key >= '?' && key <= '_') || ASCII_ISALPHA(key))) {
|
|
key = Ctrl_chr(key);
|
|
modifiers &= ~MOD_MASK_CTRL;
|
|
if (key == 0) { // <C-@> is <Nul>
|
|
key = K_ZERO;
|
|
}
|
|
}
|
|
|
|
*modp = modifiers;
|
|
return key;
|
|
}
|
|
|
|
int find_special_key(const char_u **srcp, const size_t src_len, int *const modp,
|
|
const bool keycode, const bool keep_x_key,
|
|
const bool in_string)
|
|
{
|
|
const char_u *last_dash;
|
|
const char_u *end_of_name;
|
|
const char_u *src;
|
|
const char_u *bp;
|
|
const char_u *const end = *srcp + src_len - 1;
|
|
int modifiers;
|
|
int bit;
|
|
int key;
|
|
uvarnumber_T n;
|
|
int l;
|
|
|
|
if (src_len == 0) {
|
|
return 0;
|
|
}
|
|
|
|
src = *srcp;
|
|
if (src[0] != '<') {
|
|
return 0;
|
|
}
|
|
|
|
// Find end of modifier list
|
|
last_dash = src;
|
|
for (bp = src + 1; bp <= end && (*bp == '-' || ascii_isident(*bp)); bp++) {
|
|
if (*bp == '-') {
|
|
last_dash = bp;
|
|
if (bp + 1 <= end) {
|
|
l = utfc_ptr2len_len(bp + 1, (int)(end - bp) + 1);
|
|
// Anything accepted, like <C-?>.
|
|
// <C-"> or <M-"> are not special in strings as " is
|
|
// the string delimiter. With a backslash it works: <M-\">
|
|
if (end - bp > l && !(in_string && bp[1] == '"') && bp[2] == '>') {
|
|
bp += l;
|
|
} else if (end - bp > 2 && in_string && bp[1] == '\\'
|
|
&& bp[2] == '"' && bp[3] == '>') {
|
|
bp += 2;
|
|
}
|
|
}
|
|
}
|
|
if (end - bp > 3 && bp[0] == 't' && bp[1] == '_') {
|
|
bp += 3; // skip t_xx, xx may be '-' or '>'
|
|
} else if (end - bp > 4 && STRNICMP(bp, "char-", 5) == 0) {
|
|
vim_str2nr(bp + 5, NULL, &l, STR2NR_ALL, NULL, NULL, 0);
|
|
bp += l + 5;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (bp <= end && *bp == '>') { // found matching '>'
|
|
end_of_name = bp + 1;
|
|
|
|
/* Which modifiers are given? */
|
|
modifiers = 0x0;
|
|
for (bp = src + 1; bp < last_dash; bp++) {
|
|
if (*bp != '-') {
|
|
bit = name_to_mod_mask(*bp);
|
|
if (bit == 0x0) {
|
|
break; // Illegal modifier name
|
|
}
|
|
modifiers |= bit;
|
|
}
|
|
}
|
|
|
|
// Legal modifier name.
|
|
if (bp >= last_dash) {
|
|
if (STRNICMP(last_dash + 1, "char-", 5) == 0
|
|
&& ascii_isdigit(last_dash[6])) {
|
|
// <Char-123> or <Char-033> or <Char-0x33>
|
|
vim_str2nr(last_dash + 6, NULL, NULL, STR2NR_ALL, NULL, &n, 0);
|
|
key = (int)n;
|
|
} else {
|
|
int off = 1;
|
|
|
|
// Modifier with single letter, or special key name.
|
|
if (in_string && last_dash[1] == '\\' && last_dash[2] == '"') {
|
|
off = 2;
|
|
}
|
|
l = mb_ptr2len(last_dash + 1);
|
|
if (modifiers != 0 && last_dash[l + 1] == '>') {
|
|
key = PTR2CHAR(last_dash + off);
|
|
} else {
|
|
key = get_special_key_code(last_dash + off);
|
|
if (!keep_x_key) {
|
|
key = handle_x_keys(key);
|
|
}
|
|
}
|
|
}
|
|
|
|
// get_special_key_code() may return NUL for invalid
|
|
// special key name.
|
|
if (key != NUL) {
|
|
// Only use a modifier when there is no special key code that
|
|
// includes the modifier.
|
|
key = simplify_key(key, &modifiers);
|
|
|
|
if (!keycode) {
|
|
// don't want keycode, use single byte code
|
|
if (key == K_BS) {
|
|
key = BS;
|
|
} else if (key == K_DEL || key == K_KDEL) {
|
|
key = DEL;
|
|
}
|
|
}
|
|
|
|
// Normal Key with modifier:
|
|
// Try to make a single byte code (except for Alt/Meta modifiers).
|
|
if (!IS_SPECIAL(key)) {
|
|
key = extract_modifiers(key, &modifiers);
|
|
}
|
|
|
|
*modp = modifiers;
|
|
*srcp = end_of_name;
|
|
return key;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
char_u *add_char2buf(int c, char_u *s)
|
|
{
|
|
char_u temp[MB_MAXBYTES + 1];
|
|
const int len = utf_char2bytes(c, temp);
|
|
for (int i = 0; i < len; ++i) {
|
|
c = temp[i];
|
|
// Need to escape K_SPECIAL and CSI like in the typeahead buffer.
|
|
if (c == K_SPECIAL) {
|
|
*s++ = K_SPECIAL;
|
|
*s++ = KS_SPECIAL;
|
|
*s++ = KE_FILLER;
|
|
} else {
|
|
*s++ = c;
|
|
}
|
|
}
|
|
return s;
|
|
}
|
|
|
|
unsigned int trans_special(const char_u **srcp, const size_t src_len,
|
|
char_u *const dst, const bool keycode,
|
|
const bool in_string)
|
|
{
|
|
int modifiers = 0;
|
|
int key;
|
|
unsigned int dlen = 0;
|
|
|
|
key = find_special_key(srcp, src_len, &modifiers, keycode, false, in_string);
|
|
if (key == 0) {
|
|
return 0;
|
|
}
|
|
|
|
// Put the appropriate modifier in a string.
|
|
if (modifiers != 0) {
|
|
dst[dlen++] = K_SPECIAL;
|
|
dst[dlen++] = KS_MODIFIER;
|
|
dst[dlen++] = (char_u)modifiers;
|
|
}
|
|
|
|
if (IS_SPECIAL(key)) {
|
|
dst[dlen++] = K_SPECIAL;
|
|
dst[dlen++] = (char_u)KEY2TERMCAP0(key);
|
|
dst[dlen++] = KEY2TERMCAP1(key);
|
|
} else if (!keycode) {
|
|
dlen += (unsigned int)(*mb_char2bytes)(key, dst + dlen);
|
|
} else if (keycode) {
|
|
char_u *after = add_char2buf(key, dst + dlen);
|
|
assert(after >= dst && (uintmax_t)(after - dst) <= UINT_MAX);
|
|
dlen = (unsigned int)(after - dst);
|
|
} else {
|
|
dst[dlen++] = (char_u)key;
|
|
}
|
|
|
|
return dlen;
|
|
}
|