enlightenment/terminology
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terminology
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compat: handle cursor-controls chars in ESC sequences

This commit is contained in:
Boris Faure 2013-04-27 21:17:14 +02:00
parent 16e143f970
commit 3694c88ccb
1 changed files with 60 additions and 37 deletions
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97
src/bin/termptyesc.c
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@ -54,6 +54,63 @@ _csi_arg_get(Eina_Unicode **ptr)
return sum;
}
static void
_handle_cursor_control(Termpty *ty, Eina_Unicode *cc)
{
switch (*cc)
{
case 0x07: // BEL '\a' (bell)
if (ty->cb.bell.func) ty->cb.bell.func(ty->cb.bell.data);
ty->state.had_cr = 0;
return;
case 0x08: // BS '\b' (backspace)
DBG("->BS");
ty->state.wrapnext = 0;
ty->state.cx--;
if (ty->state.cx < 0) ty->state.cx = 0;
ty->state.had_cr = 0;
return;
case 0x09: // HT '\t' (horizontal tab)
DBG("->HT");
TERMPTY_SCREEN(ty, ty->state.cx, ty->state.cy).att.tab = 1;
ty->state.wrapnext = 0;
ty->state.cx += 8;
ty->state.cx = (ty->state.cx / 8) * 8;
if (ty->state.cx >= ty->w)
ty->state.cx = ty->w - 1;
ty->state.had_cr = 0;
return;
case 0x0a: // LF '\n' (new line)
case 0x0b: // VT '\v' (vertical tab)
case 0x0c: // FF '\f' (form feed)
DBG("->LF");
if (ty->state.had_cr)
{
TERMPTY_SCREEN(ty, ty->state.had_cr_x,
ty->state.had_cr_y).att.newline = 1;
}
ty->state.wrapnext = 0;
if (ty->state.crlf) ty->state.cx = 0;
ty->state.cy++;
_termpty_text_scroll_test(ty, EINA_TRUE);
ty->state.had_cr = 0;
return;
case 0x0d: // CR '\r' (carriage ret)
DBG("->CR");
if (ty->state.cx != 0)
{
ty->state.had_cr_x = ty->state.cx;
ty->state.had_cr_y = ty->state.cy;
}
ty->state.wrapnext = 0;
ty->state.cx = 0;
ty->state.had_cr = 1;
return;
default:
return;
}
}
static int
_handle_esc_csi(Termpty *ty, const Eina_Unicode *c, Eina_Unicode *ce)
{
@ -63,8 +120,9 @@ _handle_esc_csi(Termpty *ty, const Eina_Unicode *c, Eina_Unicode *ce)
cc = (Eina_Unicode *)c;
b = buf;
while ((cc < ce) && (*cc >= '0') && (*cc <= '?'))
while ((cc < ce) && (*cc <= '?'))
{
_handle_cursor_control(ty, cc);
*b = *cc;
b++;
cc++;
@ -1315,48 +1373,13 @@ _termpty_handle_seq(Termpty *ty, Eina_Unicode *c, Eina_Unicode *ce)
return 1;
*/
case 0x07: // BEL '\a' (bell)
if (ty->cb.bell.func) ty->cb.bell.func(ty->cb.bell.data);
ty->state.had_cr = 0;
return 1;
case 0x08: // BS '\b' (backspace)
DBG("->BS");
ty->state.wrapnext = 0;
ty->state.cx--;
if (ty->state.cx < 0) ty->state.cx = 0;
ty->state.had_cr = 0;
return 1;
case 0x09: // HT '\t' (horizontal tab)
DBG("->HT");
TERMPTY_SCREEN(ty, ty->state.cx, ty->state.cy).att.tab = 1;
ty->state.wrapnext = 0;
ty->state.cx += 8;
ty->state.cx = (ty->state.cx / 8) * 8;
if (ty->state.cx >= ty->w)
ty->state.cx = ty->w - 1;
ty->state.had_cr = 0;
return 1;
case 0x0a: // LF '\n' (new line)
case 0x0b: // VT '\v' (vertical tab)
case 0x0c: // FF '\f' (form feed)
DBG("->LF");
if (ty->state.had_cr)
TERMPTY_SCREEN(ty, ty->state.had_cr_x, ty->state.had_cr_y).att.newline = 1;
ty->state.wrapnext = 0;
if (ty->state.crlf) ty->state.cx = 0;
ty->state.cy++;
_termpty_text_scroll_test(ty, EINA_TRUE);
ty->state.had_cr = 0;
return 1;
case 0x0d: // CR '\r' (carriage ret)
DBG("->CR");
if (ty->state.cx != 0)
{
ty->state.had_cr_x = ty->state.cx;
ty->state.had_cr_y = ty->state.cy;
}
ty->state.wrapnext = 0;
ty->state.cx = 0;
ty->state.had_cr = 1;
_handle_cursor_control(ty, c);
return 1;
case 0x0e: // SO (shift out) // Maps G1 character set into GL.