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Handle HOME/END keys in VTE

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This commit is contained in:
pancake 2014-06-25 17:32:36 +02:00
parent bf088d43bd
commit 8411034b4e
1 changed files with 123 additions and 105 deletions
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228
libr/cons/dietline.c
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@ -106,6 +106,16 @@ do_it_again:
#else
do {
int ret = read (0, buf, 1);
// VTE HOME/END support
if (buf[0]==79) {
read (0,buf,1);
if (buf[0]==70) {
return 5;
} else if (buf[0]==72) {
return 1;
}
return 0;
}
if (ret == -1) return 0; // read no char
if (ret == 0) return -1; // eof
// TODO: add support for other invalid chars
@ -543,117 +553,125 @@ R_API char *r_line_readline_cb(RLineReadCallback cb, void *user) {
break;
case 27: //esc-5b-41-00-00
buf[0] = r_line_readchar();
if (buf[0] == -1)
return NULL;
buf[1] = r_line_readchar();
if (buf[1] == -1)
return NULL;
if (buf[0]==0x5b) { // [
switch (buf[1]) {
case 0x33: // supr
if (I.buffer.index<I.buffer.length)
memmove (I.buffer.data+I.buffer.index,
I.buffer.data+I.buffer.index+1,
strlen (I.buffer.data+I.buffer.index+1)+1);
buf[1] = r_line_readchar ();
if (buf[1] == -1)
return NULL;
break;
/* arrows */
case 0x41:
if (gcomp) gcomp_idx++;
else if (r_line_hist_up ()==-1)
return NULL;
break;
case 0x42:
if (gcomp) {
if (gcomp_idx>0)
gcomp_idx--;
} else if (r_line_hist_down ()==-1)
return NULL;
break;
case 0x43: // C --> right arrow
switch (buf[0]) {
case -1: return NULL;
case 1: // begin
I.buffer.index = 0;
break;
case 5: // end
I.buffer.index = I.buffer.length;
break;
default:
buf[1] = r_line_readchar();
if (buf[1] == -1)
return NULL;
if (buf[0]==0x5b) { // [
switch (buf[1]) {
case 0x33: // supr
if (I.buffer.index<I.buffer.length)
memmove (I.buffer.data+I.buffer.index,
I.buffer.data+I.buffer.index+1,
strlen (I.buffer.data+I.buffer.index+1)+1);
buf[1] = r_line_readchar ();
if (buf[1] == -1)
return NULL;
break;
/* arrows */
case 0x41:
if (gcomp) gcomp_idx++;
else if (r_line_hist_up ()==-1)
return NULL;
break;
case 0x42:
if (gcomp) {
if (gcomp_idx>0)
gcomp_idx--;
} else if (r_line_hist_down ()==-1)
return NULL;
break;
case 0x43: // C --> right arrow
#if USE_UTF8
{
char *s = I.buffer.data+I.buffer.index+1;
utflen = 1;
while ((*s & 0xc0) == 0x80) {
utflen++;
s++;
}
I.buffer.index = I.buffer.index<I.buffer.length?
I.buffer.index+utflen: I.buffer.length;
}
{
char *s = I.buffer.data+I.buffer.index+1;
utflen = 1;
while ((*s & 0xc0) == 0x80) {
utflen++;
s++;
}
I.buffer.index = I.buffer.index<I.buffer.length?
I.buffer.index+utflen: I.buffer.length;
}
#else
I.buffer.index = I.buffer.index<I.buffer.length?
I.buffer.index+1: I.buffer.length;
I.buffer.index = I.buffer.index<I.buffer.length?
I.buffer.index+1: I.buffer.length;
#endif
break;
case 0x44: // D --> left arrow
break;
case 0x44: // D --> left arrow
#if USE_UTF8
{
char *s = I.buffer.data+I.buffer.index-1;
utflen = 1;
while (s>I.buffer.data && (*s & 0xc0) == 0x80) {
utflen++;
s--;
}
}
I.buffer.index = I.buffer.index? I.buffer.index-utflen: 0;
{
char *s = I.buffer.data+I.buffer.index-1;
utflen = 1;
while (s>I.buffer.data && (*s & 0xc0) == 0x80) {
utflen++;
s--;
}
}
I.buffer.index = I.buffer.index? I.buffer.index-utflen: 0;
#else
I.buffer.index = I.buffer.index? I.buffer.index-1: 0;
I.buffer.index = I.buffer.index? I.buffer.index-1: 0;
#endif
break;
case 0x31: // control + arrow
r_cons_readchar ();
r_cons_readchar ();
ch = r_cons_readchar ();
switch (ch) {
case 0x41:
//first
I.buffer.index = 0;
break;
case 0x44:
// previous word
for (i=I.buffer.index; i>0; i--) {
if (I.buffer.data[i] == ' ') {
I.buffer.index = i-1;
break;
}
}
if (I.buffer.data[i] != ' ')
I.buffer.index = 0;
break;
case 0x42:
//end
I.buffer.index = I.buffer.length;
break;
case 0x43:
// next word
for (i=I.buffer.index; i<I.buffer.length; i++) {
if (I.buffer.data[i] == ' ') {
I.buffer.index = i+1;
break;
}
}
if (I.buffer.data[i] != ' ')
I.buffer.index = I.buffer.length;
break;
}
r_cons_set_raw (1);
break;
case 0x37: // HOME xrvt-unicode
r_cons_readchar ();
case 0x48: // HOME
I.buffer.index = 0;
break;
case 0x34: // END
case 0x38: // END xrvt-unicode
r_cons_readchar ();
case 0x46: // END
I.buffer.index = I.buffer.length;
break;
}
break;
case 0x31: // control + arrow
r_cons_readchar ();
r_cons_readchar ();
ch = r_cons_readchar ();
switch (ch) {
case 0x41:
//first
I.buffer.index = 0;
break;
case 0x44:
// previous word
for (i=I.buffer.index; i>0; i--) {
if (I.buffer.data[i] == ' ') {
I.buffer.index = i-1;
break;
}
}
if (I.buffer.data[i] != ' ')
I.buffer.index = 0;
break;
case 0x42:
//end
I.buffer.index = I.buffer.length;
break;
case 0x43:
// next word
for (i=I.buffer.index; i<I.buffer.length; i++) {
if (I.buffer.data[i] == ' ') {
I.buffer.index = i+1;
break;
}
}
if (I.buffer.data[i] != ' ')
I.buffer.index = I.buffer.length;
break;
}
r_cons_set_raw (1);
break;
case 0x37: // HOME xrvt-unicode
r_cons_readchar ();
case 0x48: // HOME
I.buffer.index = 0;
break;
case 0x34: // END
case 0x38: // END xrvt-unicode
r_cons_readchar ();
case 0x46: // END
I.buffer.index = I.buffer.length;
break;
}
}
}
break;
case 8: