enlightenment/terminology
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terminology
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support box drawing codes. 

Many thanks to KainX for his help to understand the code and
rxvt-unicode for his table to convert the code to unicode codepoints.



SVN revision: 72419
This commit is contained in:
Gustavo Sverzut Barbieri 2012-06-18 21:24:33 +00:00
parent 561e86c6c8
commit 40a519c8d9
1 changed files with 37 additions and 2 deletions
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39
src/bin/termpty.c
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@ -138,6 +138,21 @@ _text_scroll_rev_test(Termpty *ty)
}
}
/* translates VT100 ACS escape codes to Unicode values.
* Based on rxvt-unicode screen.C table.
*/
static int vt100_to_unicode[62] = {
0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0x0020,
0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1,
0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba,
0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c,
0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7
};
static void
_text_append(Termpty *ty, const int *glyphs, int len)
{
@ -147,6 +162,8 @@ _text_append(Termpty *ty, const int *glyphs, int len)
cells = &(ty->screen[ty->state.cy * ty->w]);
for (i = 0; i < len; i++)
{
int g;
if (ty->state.wrapnext)
{
cells[ty->state.cx].att.autowrapped = 1;
@ -161,7 +178,20 @@ _text_append(Termpty *ty, const int *glyphs, int len)
for (j = ty->w - 1; j > ty->state.cx; j--)
cells[j] = cells[j - 1];
}
cells[ty->state.cx].glyph = glyphs[i];
g = glyphs[i];
switch (ty->state.charsetch)
{
case '0': /* DEC Special Character & Line Drawing Set */
if ((g >= 0x41) && (g <= 0x7e) && (vt100_to_unicode[g - 0x41]))
g = vt100_to_unicode[g - 0x41];
break;
case 'A': /* UK, replaces # with GBP */
if (g == '#') g = 0x20A4;
break;
}
cells[ty->state.cx].glyph = g;
cells[ty->state.cx].att = ty->state.att;
if (ty->state.wrap)
{
@ -1225,11 +1255,16 @@ _handle_seq(Termpty *ty, const int *c, int *ce)
ty->state.cx = 0;
ty->state.had_cr = 1;
return 1;
/*
case 0x0e: // SO (shift out) // Maps G1 character set into GL.
ty->state.charset = 1;
ty->state.charsetch = ty->state.chset[1];
return 1;
case 0x0f: // SI (shift in) // Maps G0 character set into GL.
ty->state.charset = 0;
ty->state.charsetch = ty->state.chset[0];
return 1;
/*
case 0x10: // DLE (data link escape)
return 1;
case 0x11: // DC1 (device control 1)