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Allow C0 codes to be registered names like the CSI/SS3s

This commit is contained in:
Paul LeoNerd Evans 2008-02-10 17:46:48 +00:00
parent dc9672603a
commit 9884031625
2 changed files with 30 additions and 13 deletions
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42
termkey.c
View File

@ -18,6 +18,9 @@ struct termkey {
int nkeynames;
const char **keynames;
// There are 32 C0 codes
termkey_keysym c0[32];
// There are 64 codes 0x40 - 0x7F
termkey_keysym csi_ss3s[64];
termkey_keysym ss3s[64];
@ -67,6 +70,11 @@ termkey_t *termkey_new_full(int fd, int flags, size_t buffsize)
tk->is_closed = 0;
int i;
for(i = 0; i < 32; i++) {
tk->c0[i] = TERMKEY_SYM_UNKNOWN;
}
for(i = 0; i < 64; i++) {
tk->csi_ss3s[i] = TERMKEY_SYM_UNKNOWN;
tk->ss3s[i] = TERMKEY_SYM_UNKNOWN;
@ -89,11 +97,10 @@ termkey_t *termkey_new_full(int fd, int flags, size_t buffsize)
// Special built-in names
termkey_register_keyname(tk, TERMKEY_SYM_NONE, "NONE");
// C0
termkey_register_keyname(tk, TERMKEY_SYM_BACKSPACE, "Backspace");
termkey_register_keyname(tk, TERMKEY_SYM_TAB, "Tab");
termkey_register_keyname(tk, TERMKEY_SYM_ENTER, "Enter");
termkey_register_keyname(tk, TERMKEY_SYM_ESCAPE, "Escape");
termkey_register_c0(tk, TERMKEY_SYM_BACKSPACE, 0x08, "Backspace");
termkey_register_c0(tk, TERMKEY_SYM_TAB, 0x09, "Tab");
termkey_register_c0(tk, TERMKEY_SYM_ENTER, 0x0a, "Enter");
termkey_register_c0(tk, TERMKEY_SYM_ESCAPE, 0x1b, "Escape");
// G1
termkey_register_keyname(tk, TERMKEY_SYM_SPACE, "Space");
@ -358,14 +365,8 @@ termkey_result termkey_getkey(termkey_t *tk, termkey_key *key)
key->code = 0;
if(!(tk->flags & TERMKEY_FLAG_NOINTERPRET)) {
// Try to interpret C0 codes that have nice names
switch(b0) {
case 0x08: key->code = TERMKEY_SYM_BACKSPACE; break;
case 0x09: key->code = TERMKEY_SYM_TAB; break;
case 0x0a: key->code = TERMKEY_SYM_ENTER; break;
}
}
if(!(tk->flags & TERMKEY_FLAG_NOINTERPRET) && tk->c0[b0] != TERMKEY_SYM_UNKNOWN)
key->code = tk->c0[b0];
if(!key->code) {
key->code = b0 + 0x40;
@ -613,6 +614,21 @@ termkey_keysym termkey_register_keyname(termkey_t *tk, termkey_keysym code, cons
return code;
}
termkey_keysym termkey_register_c0(termkey_t *tk, termkey_keysym code, unsigned char ctrl, const char *name)
{
if(ctrl >= 0x20) {
fprintf(stderr, "Cannot register C0 key at ctrl 0x%02x - out of bounds\n", ctrl);
return -1;
}
if(name)
code = termkey_register_keyname(tk, code, name);
tk->c0[ctrl] = code;
return code;
}
termkey_keysym termkey_register_csi_ss3(termkey_t *tk, termkey_keysym code, unsigned char cmd, const char *name)
{
if(cmd < 0x40 || cmd >= 0x80) {

1
termkey.h
View File

@ -119,6 +119,7 @@ void termkey_advisereadable(termkey_t *tk);
// Registration of keys and names
termkey_keysym termkey_register_keyname(termkey_t *tk, termkey_keysym code, const char *name);
termkey_keysym termkey_register_c0(termkey_t *tk, termkey_keysym code, unsigned char ctrl, const char *name);
termkey_keysym termkey_register_csi_ss3(termkey_t *tk, termkey_keysym code, unsigned char cmd, const char *name);
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);