#include <X11/keysym.h>
#include <X11/Xft/Xft.h>
#include <fontconfig/fontconfig.h>
+#include <wchar.h>
#include "arg.h"
#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
#define IS_SET(flag) ((term.mode & (flag)) != 0)
#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)
+#define CEIL(x) (((x) != (int) (x)) ? (x) + 1 : (x))
+
+#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
+#define IS_TRUECOL(x) (1 << 24 & (x))
+#define TRUERED(x) (((x) & 0xff0000) >> 8)
+#define TRUEGREEN(x) (((x) & 0xff00))
+#define TRUEBLUE(x) (((x) & 0xff) << 8)
+
#define VT102ID "\033[?6c"
ATTR_ITALIC = 16,
ATTR_BLINK = 32,
ATTR_WRAP = 64,
+ ATTR_WIDE = 128,
+ ATTR_WDUMMY = 256,
};
enum cursor_movement {
typedef struct {
char c[UTF_SIZ]; /* character code */
- uchar mode; /* attribute flags */
- ushort fg; /* foreground */
- ushort bg; /* background */
+ ushort mode; /* attribute flags */
+ ulong fg; /* foreground */
+ ulong bg; /* background */
} Glyph;
typedef Glyph *Line;
static void tsetmode(bool, bool, int *, int);
static void tfulldirt(void);
static void techo(char *, int);
-
+static long tdefcolor(int *, int *, int);
static inline bool match(uint, uint);
static void ttynew(void);
static void ttyread(void);
static ssize_t xwrite(int, char *, size_t);
static void *xmalloc(size_t);
static void *xrealloc(void *, size_t);
-static void *xcalloc(size_t, size_t);
static void (*handler[LASTEvent])(XEvent *) = {
[KeyPress] = kpress,
return p;
}
-void *
-xcalloc(size_t nmemb, size_t size) {
- void *p = calloc(nmemb, size);
-
- if(!p)
- die("Out of memory\n");
-
- return p;
-}
-
int
utf8decode(char *s, long *u) {
uchar c;
}
}
+ 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;
}
/* 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);
void
tnew(int col, int row) {
- memset(&term, 0, sizeof(Term));
+ term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
tresize(col, row);
term.numlock = 1;
}
}
+ 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);
tscrollup(term.c.y, n);
}
+long
+tdefcolor(int *attr, int *npar, int l) {
+ long idx = -1;
+ uint r, g, b;
+
+ switch (attr[*npar + 1]) {
+ case 2: /* direct colour in RGB space */
+ if (*npar + 4 >= l) {
+ fprintf(stderr,
+ "erresc(38): Incorrect number of parameters (%d)\n",
+ *npar);
+ break;
+ }
+ r = attr[*npar + 2];
+ g = attr[*npar + 3];
+ b = attr[*npar + 4];
+ *npar += 4;
+ if(!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
+ fprintf(stderr, "erresc: bad rgb color (%d,%d,%d)\n",
+ r, g, b);
+ else
+ idx = TRUECOLOR(r, g, b);
+ break;
+ case 5: /* indexed colour */
+ if (*npar + 2 >= l) {
+ fprintf(stderr,
+ "erresc(38): Incorrect number of parameters (%d)\n",
+ *npar);
+ break;
+ }
+ *npar += 2;
+ if(!BETWEEN(attr[*npar], 0, 255))
+ fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
+ else
+ idx = attr[*npar];
+ break;
+ case 0: /* implemented defined (only foreground) */
+ case 1: /* transparent */
+ case 3: /* direct colour in CMY space */
+ case 4: /* direct colour in CMYK space */
+ default:
+ fprintf(stderr,
+ "erresc(38): gfx attr %d unknown\n", attr[*npar]);
+ }
+
+ return idx;
+}
+
void
tsetattr(int *attr, int l) {
int i;
+ long idx;
for(i = 0; i < l; i++) {
switch(attr[i]) {
term.c.attr.mode &= ~ATTR_REVERSE;
break;
case 38:
- if(i + 2 < l && attr[i + 1] == 5) {
- i += 2;
- if(BETWEEN(attr[i], 0, 255)) {
- term.c.attr.fg = attr[i];
- } else {
- fprintf(stderr,
- "erresc: bad fgcolor %d\n",
- attr[i]);
- }
- } else {
- fprintf(stderr,
- "erresc(38): gfx attr %d unknown\n",
- attr[i]);
- }
+ if ((idx = tdefcolor(attr, &i, l)) >= 0)
+ term.c.attr.fg = idx;
break;
case 39:
term.c.attr.fg = defaultfg;
break;
case 48:
- if(i + 2 < l && attr[i + 1] == 5) {
- i += 2;
- if(BETWEEN(attr[i], 0, 255)) {
- term.c.attr.bg = attr[i];
- } else {
- fprintf(stderr,
- "erresc: bad bgcolor %d\n",
- attr[i]);
- }
- } else {
- fprintf(stderr,
- "erresc(48): gfx attr %d unknown\n",
- attr[i]);
- }
+ if ((idx = tdefcolor(attr, &i, l)) >= 0)
+ term.c.attr.bg = idx;
break;
case 49:
term.c.attr.bg = defaultbg;
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) {
case '\a': /* BEL */
if(!(xw.state & WIN_FOCUSED))
xseturgency(1);
+ if (bellvolume)
+ XBell(xw.dpy, bellvolume);
return;
case '\033': /* ESC */
csireset();
treset();
term.esc = 0;
xresettitle();
+ xloadcols();
break;
case '=': /* DECPAM -- Application keypad */
term.mode |= MODE_APPKEYPAD;
(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(term.c.x+1 < term.col) {
- tmoveto(term.c.x+1, term.c.y);
+
+ if(width == 2) {
+ term.line[term.c.y][term.c.x].mode |= ATTR_WIDE;
+ if(term.c.x+1 < term.col) {
+ 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;
}
/* allocate any new rows */
for(/* i == minrow */; i < row; i++) {
term.dirty[i] = 1;
- term.line[i] = xcalloc(col, sizeof(Glyph));
- term.alt [i] = xcalloc(col, sizeof(Glyph));
+ term.line[i] = xmalloc(col * sizeof(Glyph));
+ term.alt[i] = xmalloc(col * sizeof(Glyph));
}
if(col > term.col) {
bp = term.tabs + term.col;
xloadcols(void) {
int i, r, g, b;
XRenderColor color = { .alpha = 0xffff };
+ static bool loaded;
+ Colour *cp;
+
+ if(loaded) {
+ for (cp = dc.col; cp < dc.col + LEN(dc.col); ++cp)
+ XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
+ }
/* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */
for(i = 0; i < LEN(colorname); i++) {
die("Could not allocate color %d\n", i);
}
}
+ loaded = true;
}
int
die("st: can't open font %s\n", fontstr);
/* Setting character width and height. */
- xw.cw = dc.font.width;
- xw.ch = dc.font.height;
+ xw.cw = CEIL(dc.font.width * cwscale);
+ xw.ch = CEIL(dc.font.height * chscale);
FcPatternDel(pattern, FC_SLANT);
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
FcPattern *fcpattern, *fontpattern;
FcFontSet *fcsets[] = { NULL };
FcCharSet *fccharset;
- Colour *fg, *bg, *temp, revfg, revbg;
+ Colour *fg, *bg, *temp, revfg, revbg, truefg, truebg;
XRenderColor colfg, colbg;
Rectangle r;
+ int oneatatime;
frcflags = FRC_NORMAL;
if(base.fg == defaultfg)
base.fg = defaultunderline;
}
- fg = &dc.col[base.fg];
- bg = &dc.col[base.bg];
+ if(IS_TRUECOL(base.fg)) {
+ colfg.red = TRUERED(base.fg);
+ colfg.green = TRUEGREEN(base.fg);
+ colfg.blue = TRUEBLUE(base.fg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
+ fg = &truefg;
+ } else {
+ fg = &dc.col[base.fg];
+ }
+
+ if(IS_TRUECOL(base.bg)) {
+ colbg.green = TRUEGREEN(base.bg);
+ colbg.red = TRUERED(base.bg);
+ colbg.blue = TRUEBLUE(base.bg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
+ bg = &truebg;
+ } else {
+ bg = &dc.col[base.bg];
+ }
+
+
if(base.mode & ATTR_BOLD) {
if(BETWEEN(base.fg, 0, 7)) {
u8fs = s;
u8fblen = 0;
u8fl = 0;
+ oneatatime = font->width != xw.cw;
for(;;) {
u8c = s;
u8cblen = utf8decode(s, &u8char);
bytelen -= u8cblen;
doesexist = XftCharExists(xw.dpy, font->match, u8char);
- if(!doesexist || bytelen <= 0) {
- if(bytelen <= 0) {
+ if(oneatatime || !doesexist || bytelen <= 0) {
+ if(oneatatime || bytelen <= 0) {
if(doesexist) {
u8fl++;
u8fblen += u8cblen;
winy + font->ascent,
(FcChar8 *)u8fs,
u8fblen);
- xp += font->width * u8fl;
+ xp += xw.cw * u8fl;
}
break;
u8fl++;
u8fblen += u8cblen;
}
- if(doesexist)
+ if(doesexist) {
+ if (oneatatime)
+ continue;
break;
+ }
/* Search the font cache. */
for(i = 0; i < frclen; i++) {
xp, winy + frc[i].font->ascent,
(FcChar8 *)u8c, u8cblen);
- xp += font->width;
+ xp += xw.cw * wcwidth(u8char);
}
/*
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))) {
}
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;
}
}
Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
&prop);
XSetWMName(xw.dpy, xw.win, &prop);
+ XFree(prop.value);
}
void
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;
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)
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);
ttyread();
if(blinktimeout) {
blinkset = tattrset(ATTR_BLINK);
- if(!blinkset && term.mode & ATTR_BLINK)
- term.mode &= ~(MODE_BLINK);
+ if(!blinkset)
+ MODBIT(term.mode, 0, MODE_BLINK);
}
}
xw.fh = (int)hr;
if(bitm & XNegative && xw.fx == 0)
xw.fx = -1;
- if(bitm & XNegative && xw.fy == 0)
+ if(bitm & YNegative && xw.fy == 0)
xw.fy = -1;
if(xw.fh != 0 && xw.fw != 0)
Got questions, comments, patches, etc.? Contact Jason Woofenden