diff options
Diffstat (limited to 'termkey.c')
| -rw-r--r-- | termkey.c | 51 |
1 files changed, 31 insertions, 20 deletions
@@ -32,9 +32,9 @@ static struct termkey_driver *drivers[] = { }; // Forwards for the "protected" methods -static void eat_bytes(termkey_t *tk, size_t count); +// static void eat_bytes(termkey_t *tk, size_t count); static void emit_codepoint(termkey_t *tk, long codepoint, termkey_key *key); -static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force); +static termkey_result peekkey_simple(termkey_t *tk, termkey_key *key, int force, size_t *nbytes); static termkey_keysym register_c0(termkey_t *tk, termkey_keysym sym, unsigned char ctrl, const char *name); static termkey_keysym register_c0_full(termkey_t *tk, termkey_keysym sym, int modifier_set, int modifier_mask, unsigned char ctrl, const char *name); @@ -163,9 +163,8 @@ static termkey_t *termkey_new_full(int fd, int flags, size_t buffsize, int waitt for(i = 0; i < 32; i++) tk->c0[i].sym = TERMKEY_SYM_NONE; - tk->method.eat_bytes = &eat_bytes; tk->method.emit_codepoint = &emit_codepoint; - tk->method.getkey_simple = &getkey_simple; + tk->method.peekkey_simple = &peekkey_simple; for(i = 0; keynames[i].name; i++) termkey_register_keyname(tk, keynames[i].sym, keynames[i].name); @@ -413,7 +412,7 @@ static void emit_codepoint(termkey_t *tk, long codepoint, termkey_key *key) #define UTF8_INVALID 0xFFFD -static termkey_result getkey(termkey_t *tk, termkey_key *key, int force) +static termkey_result peekkey(termkey_t *tk, termkey_key *key, int force, size_t *nbytep) { int again = 0; @@ -426,7 +425,7 @@ static termkey_result getkey(termkey_t *tk, termkey_key *key, int force) termkey_result ret; struct termkey_drivernode *p; for(p = tk->drivers; p; p = p->next) { - ret = (p->driver->getkey)(tk, p->info, key, force); + ret = (p->driver->peekkey)(tk, p->info, key, force, nbytep); #ifdef DEBUG fprintf(stderr, "Driver %s yields %s\n", p->driver->name, res2str(ret)); @@ -464,7 +463,7 @@ static termkey_result getkey(termkey_t *tk, termkey_key *key, int force) if(again) return TERMKEY_RES_AGAIN; - ret = getkey_simple(tk, key, force); + ret = peekkey_simple(tk, key, force, nbytep); #ifdef DEBUG fprintf(stderr, "getkey_simple(force=%d) yields %s\n", force, res2str(ret)); @@ -478,7 +477,7 @@ static termkey_result getkey(termkey_t *tk, termkey_key *key, int force) #define CHARAT(i) (tk->buffer[tk->buffstart + (i)]) -static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force) +static termkey_result peekkey_simple(termkey_t *tk, termkey_key *key, int force, size_t *nbytep) { if(tk->buffcount == 0) return tk->is_closed ? TERMKEY_RES_EOF : TERMKEY_RES_NONE; @@ -494,7 +493,7 @@ static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force) return TERMKEY_RES_AGAIN; (*tk->method.emit_codepoint)(tk, b0, key); - (*tk->method.eat_bytes)(tk, 1); + *nbytep = 1; return TERMKEY_RES_KEY; } @@ -503,7 +502,7 @@ static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force) tk->buffcount--; // Run the full driver - termkey_result metakey_result = getkey(tk, key, force); + termkey_result metakey_result = peekkey(tk, key, force, nbytep); tk->buffstart--; tk->buffcount++; @@ -511,7 +510,7 @@ static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force) switch(metakey_result) { case TERMKEY_RES_KEY: key->modifiers |= TERMKEY_KEYMOD_ALT; - (*tk->method.eat_bytes)(tk, 1); + (*nbytep)++; break; case TERMKEY_RES_NONE: @@ -525,7 +524,7 @@ static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force) else if(b0 < 0xa0) { // Single byte C0, G0 or C1 - C1 is never UTF-8 initial byte (*tk->method.emit_codepoint)(tk, b0, key); - (*tk->method.eat_bytes)(tk, 1); + *nbytep = 1; return TERMKEY_RES_KEY; } else if(tk->flags & TERMKEY_FLAG_UTF8) { @@ -539,7 +538,7 @@ static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force) if(b0 < 0xc0) { // Starts with a continuation byte - that's not right (*tk->method.emit_codepoint)(tk, UTF8_INVALID, key); - (*tk->method.eat_bytes)(tk, 1); + *nbytep = 1; return TERMKEY_RES_KEY; } else if(b0 < 0xe0) { @@ -564,7 +563,7 @@ static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force) } else { (*tk->method.emit_codepoint)(tk, UTF8_INVALID, key); - (*tk->method.eat_bytes)(tk, 1); + *nbytep = 1; return TERMKEY_RES_KEY; } @@ -578,7 +577,7 @@ static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force) * arrive later, they'll be invalid too. */ (*tk->method.emit_codepoint)(tk, UTF8_INVALID, key); - (*tk->method.eat_bytes)(tk, tk->buffcount); + *nbytep = tk->buffcount; return TERMKEY_RES_KEY; } @@ -586,7 +585,7 @@ static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force) unsigned char cb = CHARAT(b); if(cb < 0x80 || cb >= 0xc0) { (*tk->method.emit_codepoint)(tk, UTF8_INVALID, key); - (*tk->method.eat_bytes)(tk, b - 1); + *nbytep = b - 1; return TERMKEY_RES_KEY; } @@ -605,7 +604,7 @@ static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force) codepoint = UTF8_INVALID; (*tk->method.emit_codepoint)(tk, codepoint, key); - (*tk->method.eat_bytes)(tk, nbytes); + *nbytep = nbytes; return TERMKEY_RES_KEY; } else { @@ -617,7 +616,7 @@ static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force) key->utf8[0] = key->code.codepoint; key->utf8[1] = 0; - (*tk->method.eat_bytes)(tk, 1); + *nbytep = 1; return TERMKEY_RES_KEY; } @@ -674,12 +673,24 @@ static const char *res2str(termkey_result res) termkey_result termkey_getkey(termkey_t *tk, termkey_key *key) { - return getkey(tk, key, 0); + size_t nbytes = 0; + termkey_result ret = peekkey(tk, key, 0, &nbytes); + + if(ret == TERMKEY_RES_KEY) + eat_bytes(tk, nbytes); + + return ret; } termkey_result termkey_getkey_force(termkey_t *tk, termkey_key *key) { - return getkey(tk, key, 1); + size_t nbytes = 0; + termkey_result ret = peekkey(tk, key, 1, &nbytes); + + if(ret == TERMKEY_RES_KEY) + eat_bytes(tk, nbytes); + + return ret; } termkey_result termkey_waitkey(termkey_t *tk, termkey_key *key) |