Faris
/
st
mirror of git://git.suckless.org/st
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

remove sixel stub code 

Remove stub code that was used for an experiment of adding sixel code to st
from the commit f7398434.
This commit is contained in:
Hiltjo Posthuma 2020-06-17 22:05:48 +02:00
parent 818ec746f4
commit f74a9df6e1
1 changed files with 5 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
st.c
View File

@ -51,7 +51,6 @@ enum term_mode {
MODE_ECHO = 1 << 4, MODE_ECHO = 1 << 4,
MODE_PRINT = 1 << 5, MODE_PRINT = 1 << 5,
MODE_UTF8 = 1 << 6, MODE_UTF8 = 1 << 6,
MODE_SIXEL = 1 << 7,
}; };
enum cursor_movement { enum cursor_movement {
@ -78,12 +77,11 @@ enum charset {
enum escape_state { enum escape_state {
ESC_START = 1, ESC_START = 1,
ESC_CSI = 2, ESC_CSI = 2,
ESC_STR = 4, /* OSC, PM, APC */ ESC_STR = 4, /* DCS, OSC, PM, APC */
ESC_ALTCHARSET = 8, ESC_ALTCHARSET = 8,
ESC_STR_END = 16, /* a final string was encountered */ ESC_STR_END = 16, /* a final string was encountered */
ESC_TEST = 32, /* Enter in test mode */ ESC_TEST = 32, /* Enter in test mode */
ESC_UTF8 = 64, ESC_UTF8 = 64,
ESC_DCS =128,
}; };
typedef struct { typedef struct {
@ -2090,12 +2088,9 @@ tdectest(char c)
void void
tstrsequence(uchar c) tstrsequence(uchar c)
{ {
strreset();
switch (c) { switch (c) {
case 0x90: /* DCS -- Device Control String */ case 0x90: /* DCS -- Device Control String */
c = 'P'; c = 'P';
term.esc |= ESC_DCS;
break; break;
case 0x9f: /* APC -- Application Program Command */ case 0x9f: /* APC -- Application Program Command */
c = '_'; c = '_';
@ -2107,6 +2102,7 @@ tstrsequence(uchar c)
c = ']'; c = ']';
break; break;
} }
strreset();
strescseq.type = c; strescseq.type = c;
term.esc |= ESC_STR; term.esc |= ESC_STR;
} }
@ -2304,7 +2300,7 @@ tputc(Rune u)
Glyph *gp; Glyph *gp;
control = ISCONTROL(u); control = ISCONTROL(u);
if (u < 127 || !IS_SET(MODE_UTF8 | MODE_SIXEL)) { if (u < 127 || !IS_SET(MODE_UTF8)) {
c[0] = u; c[0] = u;
width = len = 1; width = len = 1;
} else { } else {
@ -2325,23 +2321,11 @@ tputc(Rune u)
if (term.esc & ESC_STR) { if (term.esc & ESC_STR) {
if (u == '\a' || u == 030 || u == 032 || u == 033 || if (u == '\a' || u == 030 || u == 032 || u == 033 ||
ISCONTROLC1(u)) { ISCONTROLC1(u)) {
term.esc &= ~(ESC_START|ESC_STR|ESC_DCS); term.esc &= ~(ESC_START|ESC_STR);
if (IS_SET(MODE_SIXEL)) {
/* TODO: render sixel */;
term.mode &= ~MODE_SIXEL;
return;
}
term.esc |= ESC_STR_END; term.esc |= ESC_STR_END;
goto check_control_code; goto check_control_code;
} }
if (IS_SET(MODE_SIXEL)) {
/* TODO: implement sixel mode */
return;
}
if (term.esc&ESC_DCS && strescseq.len == 0 && u == 'q')
term.mode |= MODE_SIXEL;
if (strescseq.len+len >= strescseq.siz) { if (strescseq.len+len >= strescseq.siz) {
/* /*
* Here is a bug in terminals. If the user never sends * Here is a bug in terminals. If the user never sends
@ -2453,7 +2437,7 @@ twrite(const char *buf, int buflen, int show_ctrl)
int n; int n;
for (n = 0; n < buflen; n += charsize) { for (n = 0; n < buflen; n += charsize) {
if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) { if (IS_SET(MODE_UTF8)) {
/* process a complete utf8 char */ /* process a complete utf8 char */
charsize = utf8decode(buf + n, &u, buflen - n); charsize = utf8decode(buf + n, &u, buflen - n);
if (charsize == 0) if (charsize == 0)