mirror of
https://github.com/alrayyes/st.git
synced 2024-11-22 19:26:22 +00:00
Change internal character representation.
This commit is contained in:
noname@inventati.org
Roberto E. Vargas Caballero
parent
753fe862b1
commit
21f765426c
1 changed files with 35 additions and 38 deletions
73
st.c
73
st.c
|
|
@ -72,6 +72,7 @@ char *argv0;
|
|||
#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
|
||||
#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
|
||||
#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
|
||||
#define ISDELIM(u) (BETWEEN(u, 0, 127) && strchr(worddelimiters, u) != NULL)
|
||||
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
|
||||
#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
|
||||
#define IS_SET(flag) ((term.mode & (flag)) != 0)
|
||||
|
|
@ -180,7 +181,7 @@ typedef XftDraw *Draw;
|
|||
typedef XftColor Color;
|
||||
|
||||
typedef struct {
|
||||
char c[UTF_SIZ]; /* character code */
|
||||
long u; /* character code */
|
||||
ushort mode; /* attribute flags */
|
||||
uint32_t fg; /* foreground */
|
||||
uint32_t bg; /* background */
|
||||
|
|
@ -410,6 +411,7 @@ static void tstrsequence(uchar);
|
|||
|
||||
static inline ushort sixd_to_16bit(int);
|
||||
static void xdraws(char *, Glyph, int, int, int, int);
|
||||
static void xdrawglyph(Glyph, int, int);
|
||||
static void xhints(void);
|
||||
static void xclear(int, int, int, int);
|
||||
static void xdrawcursor(void);
|
||||
|
|
@ -461,7 +463,6 @@ static size_t utf8decode(char *, long *, size_t);
|
|||
static long utf8decodebyte(char, size_t *);
|
||||
static size_t utf8encode(long, char *);
|
||||
static char utf8encodebyte(long, size_t);
|
||||
static size_t utf8len(char *);
|
||||
static size_t utf8validate(long *, size_t);
|
||||
|
||||
static ssize_t xwrite(int, const char *, size_t);
|
||||
|
|
@ -629,11 +630,6 @@ utf8encodebyte(long u, size_t i) {
|
|||
return utfbyte[i] | (u & ~utfmask[i]);
|
||||
}
|
||||
|
||||
size_t
|
||||
utf8len(char *c) {
|
||||
return utf8decode(c, &(long){0}, UTF_SIZ);
|
||||
}
|
||||
|
||||
size_t
|
||||
utf8validate(long *u, size_t i) {
|
||||
if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
|
||||
|
|
@ -679,7 +675,7 @@ tlinelen(int y) {
|
|||
if(term.line[y][i - 1].mode & ATTR_WRAP)
|
||||
return i;
|
||||
|
||||
while(i > 0 && term.line[y][i - 1].c[0] == ' ')
|
||||
while(i > 0 && term.line[y][i - 1].u == ' ')
|
||||
--i;
|
||||
|
||||
return i;
|
||||
|
|
@ -736,7 +732,7 @@ selsnap(int mode, int *x, int *y, int direction) {
|
|||
* beginning of a line.
|
||||
*/
|
||||
prevgp = &term.line[*y][*x];
|
||||
prevdelim = strchr(worddelimiters, prevgp->c[0]) != NULL;
|
||||
prevdelim = ISDELIM(prevgp->u);
|
||||
for(;;) {
|
||||
newx = *x + direction;
|
||||
newy = *y;
|
||||
|
|
@ -758,9 +754,9 @@ selsnap(int mode, int *x, int *y, int direction) {
|
|||
break;
|
||||
|
||||
gp = &term.line[newy][newx];
|
||||
delim = strchr(worddelimiters, gp->c[0]) != NULL;
|
||||
delim = ISDELIM(gp->u);
|
||||
if(!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
|
||||
|| (delim && gp->c[0] != prevgp->c[0])))
|
||||
|| (delim && gp->u != prevgp->u)))
|
||||
break;
|
||||
|
||||
*x = newx;
|
||||
|
|
@ -936,7 +932,7 @@ bpress(XEvent *e) {
|
|||
char *
|
||||
getsel(void) {
|
||||
char *str, *ptr;
|
||||
int y, bufsize, size, lastx, linelen;
|
||||
int y, bufsize, lastx, linelen;
|
||||
Glyph *gp, *last;
|
||||
|
||||
if(sel.ob.x == -1)
|
||||
|
|
@ -957,16 +953,14 @@ getsel(void) {
|
|||
lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
|
||||
}
|
||||
last = &term.line[y][MIN(lastx, linelen-1)];
|
||||
while(last >= gp && last->c[0] == ' ')
|
||||
while(last >= gp && last->u == ' ')
|
||||
--last;
|
||||
|
||||
for( ; gp <= last; ++gp) {
|
||||
if(gp->mode & ATTR_WDUMMY)
|
||||
continue;
|
||||
|
||||
size = utf8len(gp->c);
|
||||
memcpy(ptr, gp->c, size);
|
||||
ptr += size;
|
||||
ptr += utf8encode(gp->u, ptr);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -1643,17 +1637,17 @@ tsetchar(char *c, Glyph *attr, int x, int y) {
|
|||
|
||||
if(term.line[y][x].mode & ATTR_WIDE) {
|
||||
if(x+1 < term.col) {
|
||||
term.line[y][x+1].c[0] = ' ';
|
||||
term.line[y][x+1].u = ' ';
|
||||
term.line[y][x+1].mode &= ~ATTR_WDUMMY;
|
||||
}
|
||||
} else if(term.line[y][x].mode & ATTR_WDUMMY) {
|
||||
term.line[y][x-1].c[0] = ' ';
|
||||
term.line[y][x-1].u = ' ';
|
||||
term.line[y][x-1].mode &= ~ATTR_WIDE;
|
||||
}
|
||||
|
||||
term.dirty[y] = 1;
|
||||
term.line[y][x] = *attr;
|
||||
memcpy(term.line[y][x].c, c, UTF_SIZ);
|
||||
utf8decode(c, &term.line[y][x].u, UTF_SIZ);
|
||||
}
|
||||
|
||||
void
|
||||
|
|
@ -1680,7 +1674,7 @@ tclearregion(int x1, int y1, int x2, int y2) {
|
|||
gp->fg = term.c.attr.fg;
|
||||
gp->bg = term.c.attr.bg;
|
||||
gp->mode = 0;
|
||||
memcpy(gp->c, " ", 2);
|
||||
gp->u = ' ';
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -2400,13 +2394,14 @@ tdumpsel(void) {
|
|||
|
||||
void
|
||||
tdumpline(int n) {
|
||||
char buf[UTF_SIZ];
|
||||
Glyph *bp, *end;
|
||||
|
||||
bp = &term.line[n][0];
|
||||
end = &bp[MIN(tlinelen(n), term.col) - 1];
|
||||
if(bp != end || bp->c[0] != ' ') {
|
||||
if(bp != end || bp->u != ' ') {
|
||||
for( ;bp <= end; ++bp)
|
||||
tprinter(bp->c, utf8len(bp->c));
|
||||
tprinter(buf, utf8encode(bp->u, buf));
|
||||
}
|
||||
tprinter("\n", 1);
|
||||
}
|
||||
|
|
@ -2789,7 +2784,7 @@ tputc(char *c, int len) {
|
|||
if(width == 2) {
|
||||
gp->mode |= ATTR_WIDE;
|
||||
if(term.c.x+1 < term.col) {
|
||||
gp[1].c[0] = '\0';
|
||||
gp[1].u = '\0';
|
||||
gp[1].mode = ATTR_WDUMMY;
|
||||
}
|
||||
}
|
||||
|
|
@ -3552,11 +3547,20 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
|
|||
XftDrawSetClip(xw.draw, 0);
|
||||
}
|
||||
|
||||
void
|
||||
xdrawglyph(Glyph g, int x, int y) {
|
||||
static char buf[UTF_SIZ];
|
||||
size_t len = utf8encode(g.u, buf);
|
||||
int width = g.mode & ATTR_WIDE ? 2 : 1;
|
||||
|
||||
xdraws(buf, g, x, y, width, len);
|
||||
}
|
||||
|
||||
void
|
||||
xdrawcursor(void) {
|
||||
static int oldx = 0, oldy = 0;
|
||||
int sl, width, curx;
|
||||
Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs};
|
||||
int curx;
|
||||
Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs};
|
||||
|
||||
LIMIT(oldx, 0, term.col-1);
|
||||
LIMIT(oldy, 0, term.row-1);
|
||||
|
|
@ -3569,13 +3573,10 @@ xdrawcursor(void) {
|
|||
if(term.line[term.c.y][curx].mode & ATTR_WDUMMY)
|
||||
curx--;
|
||||
|
||||
memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
|
||||
g.u = term.line[term.c.y][term.c.x].u;
|
||||
|
||||
/* remove the old cursor */
|
||||
sl = utf8len(term.line[oldy][oldx].c);
|
||||
width = (term.line[oldy][oldx].mode & ATTR_WIDE)? 2 : 1;
|
||||
xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
|
||||
oldy, width, sl);
|
||||
xdrawglyph(term.line[oldy][oldx], oldx, oldy);
|
||||
|
||||
if(IS_SET(MODE_HIDE))
|
||||
return;
|
||||
|
|
@ -3592,10 +3593,8 @@ xdrawcursor(void) {
|
|||
g.bg = defaultfg;
|
||||
}
|
||||
|
||||
sl = utf8len(g.c);
|
||||
width = (term.line[term.c.y][curx].mode & ATTR_WIDE)\
|
||||
? 2 : 1;
|
||||
xdraws(g.c, g, term.c.x, term.c.y, width, sl);
|
||||
g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE;
|
||||
xdrawglyph(g, term.c.x, term.c.y);
|
||||
break;
|
||||
case 3: /* Blinking Underline */
|
||||
case 4: /* Steady Underline */
|
||||
|
|
@ -3668,7 +3667,7 @@ draw(void) {
|
|||
|
||||
void
|
||||
drawregion(int x1, int y1, int x2, int y2) {
|
||||
int ic, ib, x, y, ox, sl;
|
||||
int ic, ib, x, y, ox;
|
||||
Glyph base, new;
|
||||
char buf[DRAW_BUF_SIZ];
|
||||
bool ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
|
||||
|
|
@ -3700,9 +3699,7 @@ drawregion(int x1, int y1, int x2, int y2) {
|
|||
base = new;
|
||||
}
|
||||
|
||||
sl = utf8len(new.c);
|
||||
memcpy(buf+ib, new.c, sl);
|
||||
ib += sl;
|
||||
ib += utf8encode(new.u, buf+ib);
|
||||
ic += (new.mode & ATTR_WIDE)? 2 : 1;
|
||||
}
|
||||
if(ib > 0)
|
||||
|
|
|
|||
Loading…
Reference in a new issue