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Allow registered keyinfo for C0/CSI/SS3/CSIfunc to override modifier bits; use this to implement Shift-Tab as CSI Z

This commit is contained in:
Paul LeoNerd Evans 2008-02-10 19:03:36 +00:00
parent 35d946e510
commit 354ba6b7c3
2 changed files with 74 additions and 27 deletions
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97
termkey.c
View File

@ -6,6 +6,12 @@
#include <stdio.h>
struct keyinfo {
termkey_keysym sym;
int modifier_mask;
int modifier_set;
};
struct termkey {
int fd;
int flags;
@ -19,15 +25,15 @@ struct termkey {
const char **keynames;
// There are 32 C0 codes
termkey_keysym c0[32];
struct keyinfo c0[32];
// There are 64 codes 0x40 - 0x7F
termkey_keysym csi_ss3s[64];
termkey_keysym ss3s[64];
struct keyinfo csi_ss3s[64];
struct keyinfo ss3s[64];
char ss3_kpalts[64];
int ncsifuncs;
termkey_keysym *csifuncs;
struct keyinfo *csifuncs;
};
termkey_t *termkey_new_full(int fd, int flags, size_t buffsize)
@ -72,12 +78,12 @@ termkey_t *termkey_new_full(int fd, int flags, size_t buffsize)
int i;
for(i = 0; i < 32; i++) {
tk->c0[i] = TERMKEY_SYM_UNKNOWN;
tk->c0[i].sym = TERMKEY_SYM_UNKNOWN;
}
for(i = 0; i < 64; i++) {
tk->csi_ss3s[i] = TERMKEY_SYM_UNKNOWN;
tk->ss3s[i] = TERMKEY_SYM_UNKNOWN;
tk->csi_ss3s[i].sym = TERMKEY_SYM_UNKNOWN;
tk->ss3s[i].sym = TERMKEY_SYM_UNKNOWN;
tk->ss3_kpalts[i] = 0;
}
@ -92,7 +98,7 @@ termkey_t *termkey_new_full(int fd, int flags, size_t buffsize)
tk->keynames[i] = NULL;
for(i = 0; i < tk->ncsifuncs; i++)
tk->csifuncs[i] = TERMKEY_SYM_NONE;
tk->csifuncs[i].sym = TERMKEY_SYM_NONE;
// Special built-in names
termkey_register_keyname(tk, TERMKEY_SYM_NONE, "NONE");
@ -119,6 +125,8 @@ termkey_t *termkey_new_full(int fd, int flags, size_t buffsize)
termkey_register_csi_ss3(tk, TERMKEY_SYM_F3, 'R', "F3");
termkey_register_csi_ss3(tk, TERMKEY_SYM_F4, 'S', "F4");
termkey_register_csi_ss3_full(tk, TERMKEY_SYM_TAB, TERMKEY_KEYMOD_SHIFT, TERMKEY_KEYMOD_SHIFT, 'Z', NULL);
termkey_register_ss3kpalt(tk, TERMKEY_SYM_KPENTER, 'M', "KPEnter", 0);
termkey_register_ss3kpalt(tk, TERMKEY_SYM_KPEQUALS, 'X', "KPEquals", '=');
termkey_register_ss3kpalt(tk, TERMKEY_SYM_KPMULT, 'j', "KPMult", '*');
@ -209,9 +217,12 @@ static inline void do_codepoint(termkey_t *tk, int codepoint, termkey_key *key)
if(codepoint < 0x20) {
// C0 range
key->code = 0;
key->modifiers = 0;
if(!(tk->flags & TERMKEY_FLAG_NOINTERPRET) && tk->c0[codepoint] != TERMKEY_SYM_UNKNOWN)
key->code = tk->c0[codepoint];
if(!(tk->flags & TERMKEY_FLAG_NOINTERPRET) && tk->c0[codepoint].sym != TERMKEY_SYM_UNKNOWN) {
key->code = tk->c0[codepoint].sym;
key->modifiers |= tk->c0[codepoint].modifier_set;
}
if(!key->code) {
key->code = codepoint + 0x40;
@ -219,7 +230,6 @@ static inline void do_codepoint(termkey_t *tk, int codepoint, termkey_key *key)
key->flags = 0;
}
else {
key->modifiers = 0;
key->flags = TERMKEY_KEYFLAG_SPECIAL;
}
}
@ -311,15 +321,20 @@ static termkey_result getkey_csi(termkey_t *tk, size_t introlen, termkey_key *ke
eatbytes(tk, csi_end + 1);
key->modifiers = 0;
if(args > 1 && arg[1] != -1)
key->modifiers = arg[1] - 1;
key->flags = TERMKEY_KEYFLAG_SPECIAL;
if(cmd == '~') {
if(arg[0] == 27) {
do_codepoint(tk, arg[2], key);
}
else if(arg[0] >= 0 && arg[0] < tk->ncsifuncs)
key->code = tk->csifuncs[arg[0]];
else if(arg[0] >= 0 && arg[0] < tk->ncsifuncs) {
key->code = tk->csifuncs[arg[0]].sym;
key->modifiers &= ~(tk->csifuncs[arg[0]].modifier_mask);
key->modifiers |= tk->csifuncs[arg[0]].modifier_set;
}
else
key->code = TERMKEY_SYM_UNKNOWN;
@ -328,15 +343,14 @@ static termkey_result getkey_csi(termkey_t *tk, size_t introlen, termkey_key *ke
}
else {
// We know from the logic above that cmd must be >= 0x40 and < 0x80
key->code = tk->csi_ss3s[cmd - 0x40];
key->code = tk->csi_ss3s[cmd - 0x40].sym;
key->modifiers &= ~(tk->csi_ss3s[cmd - 0x40].modifier_mask);
key->modifiers |= tk->csi_ss3s[cmd - 0x40].modifier_set;
if(key->code == TERMKEY_SYM_UNKNOWN)
fprintf(stderr, "CSI arg1=%d arg2=%d cmd=%c\n", arg[0], arg[1], cmd);
}
if(args > 1 && arg[1] != -1)
key->modifiers |= arg[1] - 1;
return TERMKEY_RES_KEY;
}
@ -352,7 +366,8 @@ static termkey_result getkey_ss3(termkey_t *tk, size_t introlen, termkey_key *ke
if(cmd < 0x40 || cmd >= 0x80)
return TERMKEY_SYM_UNKNOWN;
key->code = tk->csi_ss3s[cmd - 0x40];
key->code = tk->csi_ss3s[cmd - 0x40].sym;
key->modifiers = tk->csi_ss3s[cmd - 0x40].modifier_set;
if(key->code == TERMKEY_SYM_UNKNOWN) {
if(tk->flags & TERMKEY_FLAG_CONVERTKP && tk->ss3_kpalts[cmd - 0x40]) {
@ -366,13 +381,13 @@ static termkey_result getkey_ss3(termkey_t *tk, size_t introlen, termkey_key *ke
return TERMKEY_RES_KEY;
}
key->code = tk->ss3s[cmd - 0x40];
key->code = tk->ss3s[cmd - 0x40].sym;
key->modifiers = tk->ss3s[cmd - 0x40].modifier_set;
}
if(key->code == TERMKEY_SYM_UNKNOWN)
fprintf(stderr, "SS3 %c (0x%02x)\n", cmd, cmd);
key->modifiers = 0;
key->flags = TERMKEY_KEYFLAG_SPECIAL;
return TERMKEY_RES_KEY;
@ -584,6 +599,11 @@ termkey_keysym termkey_register_keyname(termkey_t *tk, termkey_keysym code, cons
}
termkey_keysym termkey_register_c0(termkey_t *tk, termkey_keysym code, unsigned char ctrl, const char *name)
{
return termkey_register_c0_full(tk, code, 0, 0, ctrl, name);
}
termkey_keysym termkey_register_c0_full(termkey_t *tk, termkey_keysym code, int modifier_set, int modifier_mask, unsigned char ctrl, const char *name)
{
if(ctrl >= 0x20) {
fprintf(stderr, "Cannot register C0 key at ctrl 0x%02x - out of bounds\n", ctrl);
@ -593,12 +613,19 @@ termkey_keysym termkey_register_c0(termkey_t *tk, termkey_keysym code, unsigned
if(name)
code = termkey_register_keyname(tk, code, name);
tk->c0[ctrl] = code;
tk->c0[ctrl].sym = code;
tk->c0[ctrl].modifier_set = modifier_set;
tk->c0[ctrl].modifier_mask = modifier_mask;
return code;
}
termkey_keysym termkey_register_csi_ss3(termkey_t *tk, termkey_keysym code, unsigned char cmd, const char *name)
{
return termkey_register_csi_ss3_full(tk, code, 0, 0, cmd, name);
}
termkey_keysym termkey_register_csi_ss3_full(termkey_t *tk, termkey_keysym code, int modifier_set, int modifier_mask, unsigned char cmd, const char *name)
{
if(cmd < 0x40 || cmd >= 0x80) {
fprintf(stderr, "Cannot register CSI/SS3 key at cmd 0x%02x - out of bounds\n", cmd);
@ -608,12 +635,19 @@ termkey_keysym termkey_register_csi_ss3(termkey_t *tk, termkey_keysym code, unsi
if(name)
code = termkey_register_keyname(tk, code, name);
tk->csi_ss3s[cmd - 0x40] = code;
tk->csi_ss3s[cmd - 0x40].sym = code;
tk->csi_ss3s[cmd - 0x40].modifier_set = modifier_set;
tk->csi_ss3s[cmd - 0x40].modifier_mask = modifier_mask;
return code;
}
termkey_keysym termkey_register_ss3kpalt(termkey_t *tk, termkey_keysym code, unsigned char cmd, const char *name, char kpalt)
{
return termkey_register_ss3kpalt_full(tk, code, 0, 0, cmd, name, kpalt);
}
termkey_keysym termkey_register_ss3kpalt_full(termkey_t *tk, termkey_keysym code, int modifier_set, int modifier_mask, unsigned char cmd, const char *name, char kpalt)
{
if(cmd < 0x40 || cmd >= 0x80) {
fprintf(stderr, "Cannot register SS3 key at cmd 0x%02x - out of bounds\n", cmd);
@ -623,29 +657,38 @@ termkey_keysym termkey_register_ss3kpalt(termkey_t *tk, termkey_keysym code, uns
if(name)
code = termkey_register_keyname(tk, code, name);
tk->ss3s[cmd - 0x40] = code;
tk->ss3s[cmd - 0x40].sym = code;
tk->ss3s[cmd - 0x40].modifier_set = modifier_set;
tk->ss3s[cmd - 0x40].modifier_mask = modifier_mask;
tk->ss3_kpalts[cmd - 0x40] = kpalt;
return code;
}
termkey_keysym termkey_register_csifunc(termkey_t *tk, termkey_keysym code, int number, const char *name)
{
return termkey_register_csifunc_full(tk, code, 0, 0, number, name);
}
termkey_keysym termkey_register_csifunc_full(termkey_t *tk, termkey_keysym code, int modifier_set, int modifier_mask, int number, const char *name)
{
if(name)
code = termkey_register_keyname(tk, code, name);
if(number >= tk->ncsifuncs) {
termkey_keysym *new_csifuncs = realloc(tk->csifuncs, sizeof(new_csifuncs[0]) * (number + 1));
struct keyinfo *new_csifuncs = realloc(tk->csifuncs, sizeof(new_csifuncs[0]) * (number + 1));
tk->csifuncs = new_csifuncs;
// Fill in the hole
for(int i = tk->ncsifuncs; i < number; i++)
tk->csifuncs[i] = TERMKEY_SYM_UNKNOWN;
tk->csifuncs[i].sym = TERMKEY_SYM_UNKNOWN;
tk->ncsifuncs = number + 1;
}
tk->csifuncs[number] = code;
tk->csifuncs[number].sym = code;
tk->csifuncs[number].modifier_set = modifier_set;
tk->csifuncs[number].modifier_mask = modifier_mask;
return code;
}

4
termkey.h
View File

@ -124,6 +124,10 @@ termkey_keysym termkey_register_csi_ss3(termkey_t *tk, termkey_keysym code, unsi
termkey_keysym termkey_register_ss3kpalt(termkey_t *tk, termkey_keysym code, unsigned char cmd, const char *name, char kpalt);
termkey_keysym termkey_register_csifunc(termkey_t *tk, termkey_keysym code, int number, const char *name);
termkey_keysym termkey_register_c0_full(termkey_t *tk, termkey_keysym code, int modifier_set, int modifier_mask, unsigned char ctrl, const char *name);
termkey_keysym termkey_register_csi_ss3_full(termkey_t *tk, termkey_keysym code, int modifier_set, int modifier_mask, unsigned char cmd, const char *name);
termkey_keysym termkey_register_ss3kpalt_full(termkey_t *tk, termkey_keysym code, int modifier_set, int modifier_mask, unsigned char cmd, const char *name, char kpalt);
termkey_keysym termkey_register_csifunc_full(termkey_t *tk, termkey_keysym code, int modifier_set, int modifier_mask, int number, const char *name);
const char *termkey_describe_sym(termkey_t *tk, termkey_keysym code);