From 354ba6b7c32088fc3bb5a6f52460282067cf527f Mon Sep 17 00:00:00 2001 From: Paul LeoNerd Evans Date: Sun, 10 Feb 2008 19:03:36 +0000 Subject: Allow registered keyinfo for C0/CSI/SS3/CSIfunc to override modifier bits; use this to implement Shift-Tab as CSI Z --- termkey.c | 97 +++++++++++++++++++++++++++++++++++++++++++++------------------ termkey.h | 4 +++ 2 files changed, 74 insertions(+), 27 deletions(-) diff --git a/termkey.c b/termkey.c index e1abe46..9cae0fc 100644 --- a/termkey.c +++ b/termkey.c @@ -6,6 +6,12 @@ #include +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; } diff --git a/termkey.h b/termkey.h index 7612e18..9d61d49 100644 --- a/termkey.h +++ b/termkey.h @@ -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); -- cgit v1.2.3-70-g09d2