Wide character support.
Thanks "Eon S. Jeon" <esjeon@hyunmu.am>!
This commit is contained in:
Christoph Lohmann
parent
a4358a1fbd
commit
210dda9570
1
TODO
1
TODO
@ -1,7 +1,6 @@
|
||||
vt emulation
|
||||
------------
|
||||
|
||||
* wide-character support in conjunction with fallback xft code
|
||||
* double-height support
|
||||
|
||||
code & interface
|
||||
|
||||
82
st.c
82
st.c
@ -27,6 +27,7 @@
|
||||
#include <X11/keysym.h>
|
||||
#include <X11/Xft/Xft.h>
|
||||
#include <fontconfig/fontconfig.h>
|
||||
#include <wchar.h>
|
||||
|
||||
#include "arg.h"
|
||||
|
||||
@ -96,6 +97,8 @@ enum glyph_attribute {
|
||||
ATTR_ITALIC = 16,
|
||||
ATTR_BLINK = 32,
|
||||
ATTR_WRAP = 64,
|
||||
ATTR_WIDE = 128,
|
||||
ATTR_WDUMMY = 256,
|
||||
};
|
||||
|
||||
enum cursor_movement {
|
||||
@ -165,7 +168,7 @@ typedef unsigned short ushort;
|
||||
|
||||
typedef struct {
|
||||
char c[UTF_SIZ]; /* character code */
|
||||
uchar mode; /* attribute flags */
|
||||
ushort mode; /* attribute flags */
|
||||
ulong fg; /* foreground */
|
||||
ulong bg; /* background */
|
||||
} Glyph;
|
||||
@ -719,8 +722,13 @@ selsnap(int mode, int *x, int *y, int direction) {
|
||||
}
|
||||
}
|
||||
|
||||
if(term.line[*y][*x+direction].mode & ATTR_WDUMMY) {
|
||||
*x += direction;
|
||||
continue;
|
||||
}
|
||||
|
||||
if(strchr(worddelimiters,
|
||||
term.line[*y][*x + direction].c[0])) {
|
||||
term.line[*y][*x+direction].c[0])) {
|
||||
break;
|
||||
}
|
||||
|
||||
@ -932,7 +940,7 @@ selcopy(void) {
|
||||
/* nothing */;
|
||||
|
||||
for(x = 0; gp <= last; x++, ++gp) {
|
||||
if(!selected(x, y))
|
||||
if(!selected(x, y) || (gp->mode & ATTR_WDUMMY))
|
||||
continue;
|
||||
|
||||
size = utf8size(gp->c);
|
||||
@ -1533,6 +1541,16 @@ 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].mode &= ~ATTR_WDUMMY;
|
||||
}
|
||||
} else if(term.line[y][x].mode & ATTR_WDUMMY) {
|
||||
term.line[y][x-1].c[0] = ' ';
|
||||
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);
|
||||
@ -2222,6 +2240,15 @@ void
|
||||
tputc(char *c, int len) {
|
||||
uchar ascii = *c;
|
||||
bool control = ascii < '\x20' || ascii == 0177;
|
||||
long u8char;
|
||||
int width;
|
||||
|
||||
if(len == 1) {
|
||||
width = 1;
|
||||
} else {
|
||||
utf8decode(c, &u8char);
|
||||
width = wcwidth(u8char);
|
||||
}
|
||||
|
||||
if(iofd != -1) {
|
||||
if(xwrite(iofd, c, len) < 0) {
|
||||
@ -2469,9 +2496,20 @@ tputc(char *c, int len) {
|
||||
(term.col - term.c.x - 1) * sizeof(Glyph));
|
||||
}
|
||||
|
||||
if(term.c.x+width > term.col)
|
||||
tnewline(1);
|
||||
|
||||
tsetchar(c, &term.c.attr, term.c.x, term.c.y);
|
||||
|
||||
if(width == 2) {
|
||||
term.line[term.c.y][term.c.x].mode |= ATTR_WIDE;
|
||||
if(term.c.x+1 < term.col) {
|
||||
tmoveto(term.c.x+1, term.c.y);
|
||||
term.line[term.c.y][term.c.x+1].c[0] = '\0';
|
||||
term.line[term.c.y][term.c.x+1].mode = ATTR_WDUMMY;
|
||||
}
|
||||
}
|
||||
if(term.c.x+width < term.col) {
|
||||
tmoveto(term.c.x+width, term.c.y);
|
||||
} else {
|
||||
term.c.state |= CURSOR_WRAPNEXT;
|
||||
}
|
||||
@ -3173,7 +3211,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
|
||||
xp, winy + frc[i].font->ascent,
|
||||
(FcChar8 *)u8c, u8cblen);
|
||||
|
||||
xp += xw.cw;
|
||||
xp += xw.cw * wcwidth(u8char);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -3193,18 +3231,27 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
|
||||
void
|
||||
xdrawcursor(void) {
|
||||
static int oldx = 0, oldy = 0;
|
||||
int sl;
|
||||
int sl, width, curx;
|
||||
Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs};
|
||||
|
||||
LIMIT(oldx, 0, term.col-1);
|
||||
LIMIT(oldy, 0, term.row-1);
|
||||
|
||||
curx = term.c.x;
|
||||
|
||||
/* adjust position if in dummy */
|
||||
if(term.line[oldy][oldx].mode & ATTR_WDUMMY)
|
||||
oldx--;
|
||||
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);
|
||||
|
||||
/* remove the old cursor */
|
||||
sl = utf8size(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, 1, sl);
|
||||
oldy, width, sl);
|
||||
|
||||
/* draw the new one */
|
||||
if(!(IS_SET(MODE_HIDE))) {
|
||||
@ -3216,26 +3263,28 @@ xdrawcursor(void) {
|
||||
}
|
||||
|
||||
sl = utf8size(g.c);
|
||||
xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
|
||||
width = (term.line[term.c.y][curx].mode & ATTR_WIDE)\
|
||||
? 2 : 1;
|
||||
xdraws(g.c, g, term.c.x, term.c.y, width, sl);
|
||||
} else {
|
||||
XftDrawRect(xw.draw, &dc.col[defaultcs],
|
||||
borderpx + term.c.x * xw.cw,
|
||||
borderpx + curx * xw.cw,
|
||||
borderpx + term.c.y * xw.ch,
|
||||
xw.cw - 1, 1);
|
||||
XftDrawRect(xw.draw, &dc.col[defaultcs],
|
||||
borderpx + term.c.x * xw.cw,
|
||||
borderpx + curx * xw.cw,
|
||||
borderpx + term.c.y * xw.ch,
|
||||
1, xw.ch - 1);
|
||||
XftDrawRect(xw.draw, &dc.col[defaultcs],
|
||||
borderpx + (term.c.x + 1) * xw.cw - 1,
|
||||
borderpx + (curx + 1) * xw.cw - 1,
|
||||
borderpx + term.c.y * xw.ch,
|
||||
1, xw.ch - 1);
|
||||
XftDrawRect(xw.draw, &dc.col[defaultcs],
|
||||
borderpx + term.c.x * xw.cw,
|
||||
borderpx + curx * xw.cw,
|
||||
borderpx + (term.c.y + 1) * xw.ch - 1,
|
||||
xw.cw, 1);
|
||||
}
|
||||
oldx = term.c.x, oldy = term.c.y;
|
||||
oldx = curx, oldy = term.c.y;
|
||||
}
|
||||
}
|
||||
|
||||
@ -3284,6 +3333,7 @@ drawregion(int x1, int y1, int x2, int y2) {
|
||||
Glyph base, new;
|
||||
char buf[DRAW_BUF_SIZ];
|
||||
bool ena_sel = sel.ob.x != -1;
|
||||
long u8char;
|
||||
|
||||
if(sel.alt ^ IS_SET(MODE_ALTSCREEN))
|
||||
ena_sel = 0;
|
||||
@ -3301,6 +3351,8 @@ drawregion(int x1, int y1, int x2, int y2) {
|
||||
ic = ib = ox = 0;
|
||||
for(x = x1; x < x2; x++) {
|
||||
new = term.line[y][x];
|
||||
if(new.mode == ATTR_WDUMMY)
|
||||
continue;
|
||||
if(ena_sel && selected(x, y))
|
||||
new.mode ^= ATTR_REVERSE;
|
||||
if(ib > 0 && (ATTRCMP(base, new)
|
||||
@ -3313,10 +3365,10 @@ drawregion(int x1, int y1, int x2, int y2) {
|
||||
base = new;
|
||||
}
|
||||
|
||||
sl = utf8size(new.c);
|
||||
sl = utf8decode(new.c, &u8char);
|
||||
memcpy(buf+ib, new.c, sl);
|
||||
ib += sl;
|
||||
++ic;
|
||||
ic += (new.mode & ATTR_WIDE)? 2 : 1;
|
||||
}
|
||||
if(ib > 0)
|
||||
xdraws(buf, base, ox, y, ic, ib);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user