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Added termkey_snprint_key() to render nice string outputs of key events

This commit is contained in:
Paul LeoNerd Evans 2008-08-21 20:20:07 +01:00
parent 95e87a86d5
commit a06d010504
3 changed files with 49 additions and 24 deletions
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30
demo.c
View File

@ -3,36 +3,18 @@
#include "termkey.h" #include "termkey.h"
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
char buffer[50];
termkey_t *tk = termkey_new(0, 0); termkey_t *tk = termkey_new(0, 0);
termkey_result ret; termkey_result ret;
termkey_key key; termkey_key key;
while((ret = termkey_waitkey(tk, &key)) != TERMKEY_RES_EOF) { while((ret = termkey_waitkey(tk, &key)) != TERMKEY_RES_EOF) {
switch(key.type) { if(key.type == TERMKEY_TYPE_UNICODE && !key.modifiers)
case TERMKEY_TYPE_KEYSYM: printf("%s\n", key.utf8);
printf("Key %s%s%s%s (code %d)\n", else {
key.modifiers & TERMKEY_KEYMOD_SHIFT ? "Shift-" : "", termkey_snprint_key(tk, buffer, sizeof buffer, &key, 1);
key.modifiers & TERMKEY_KEYMOD_ALT ? "Alt-" : "", printf("<%s>\n", buffer);
key.modifiers & TERMKEY_KEYMOD_CTRL ? "Ctrl-" : "",
termkey_get_keyname(tk, key.code.sym),
key.code.sym);
break;
case TERMKEY_TYPE_FUNCTION:
printf("Function key %s%s%sF%d\n",
key.modifiers & TERMKEY_KEYMOD_SHIFT ? "Shift-" : "",
key.modifiers & TERMKEY_KEYMOD_ALT ? "Alt-" : "",
key.modifiers & TERMKEY_KEYMOD_CTRL ? "Ctrl-" : "",
key.code.number);
break;
case TERMKEY_TYPE_UNICODE:
printf("Unicode %s%s%s%s (U+%04X)\n",
key.modifiers & TERMKEY_KEYMOD_SHIFT ? "Shift-" : "",
key.modifiers & TERMKEY_KEYMOD_ALT ? "Alt-" : "",
key.modifiers & TERMKEY_KEYMOD_CTRL ? "Ctrl-" : "",
key.utf8,
key.code.codepoint);
break;
} }
if(key.type == TERMKEY_TYPE_UNICODE && if(key.type == TERMKEY_TYPE_UNICODE &&

41
termkey.c
View File

@ -855,3 +855,44 @@ termkey_keysym termkey_register_csifunc_full(termkey_t *tk, termkey_type type, t
return sym; return sym;
} }
size_t termkey_snprint_key(termkey_t *tk, char *buffer, size_t len, termkey_key *key, int longmod)
{
size_t pos = 0;
size_t l;
if(key->modifiers & TERMKEY_KEYMOD_CTRL) {
l = snprintf(buffer + pos, len - pos, longmod ? "Ctrl-" : "C-");
if(l <= 0) return pos;
pos += l;
}
if(key->modifiers & TERMKEY_KEYMOD_ALT) {
l = snprintf(buffer + pos, len - pos, longmod ? "Alt-" : "A-");
if(l <= 0) return pos;
pos += l;
}
if(key->modifiers & TERMKEY_KEYMOD_SHIFT) {
l = snprintf(buffer + pos, len - pos, longmod ? "Shift-" : "S-");
if(l <= 0) return pos;
pos += l;
}
switch(key->type) {
case TERMKEY_TYPE_UNICODE:
l = snprintf(buffer + pos, len - pos, "%s", key->utf8);
break;
case TERMKEY_TYPE_KEYSYM:
l = snprintf(buffer + pos, len - pos, "%s", termkey_get_keyname(tk, key->code.sym));
break;
case TERMKEY_TYPE_FUNCTION:
l = snprintf(buffer + pos, len - pos, "F%d", key->code.number);
break;
}
if(l <= 0) return pos;
pos += l;
return pos;
}

2
termkey.h
View File

@ -132,4 +132,6 @@ termkey_keysym termkey_register_csi_ss3_full(termkey_t *tk, termkey_type type, t
termkey_keysym termkey_register_ss3kpalt_full(termkey_t *tk, termkey_type type, termkey_keysym sym, int modifier_set, int modifier_mask, unsigned char cmd, const char *name, char kpalt); termkey_keysym termkey_register_ss3kpalt_full(termkey_t *tk, termkey_type type, termkey_keysym sym, int modifier_set, int modifier_mask, unsigned char cmd, const char *name, char kpalt);
termkey_keysym termkey_register_csifunc_full(termkey_t *tk, termkey_type type, termkey_keysym sym, int modifier_set, int modifier_mask, int number, const char *name); termkey_keysym termkey_register_csifunc_full(termkey_t *tk, termkey_type type, termkey_keysym sym, int modifier_set, int modifier_mask, int number, const char *name);
size_t termkey_snprint_key(termkey_t *tk, char *buffer, size_t len, termkey_key *key, int longmod);
#endif #endif