commit 10ad1c646b9a03dfd86bb4da293af39e2da4f75b
parent 6aec9907d5a198997f0a241b326f889449c248ae
Author: Matthew Carlson <matt@mcarlson.xyz>
Date: Fri, 2 Jul 2021 16:26:58 +0000
undercurl
Diffstat:
| M | st.c | | | 51 | ++++++++++++++++++++++++++++++++++++++++++++++++++- |
| M | st.h | | | 3 | +++ |
| A | st.info | | | 240 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| M | x.c | | | 91 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-- |
4 files changed, 382 insertions(+), 3 deletions(-)
diff --git a/st.c b/st.c
@@ -33,6 +33,7 @@
#define UTF_SIZ 4
#define ESC_BUF_SIZ (128*UTF_SIZ)
#define ESC_ARG_SIZ 16
+#define CAR_PER_ARG 4
#define STR_BUF_SIZ ESC_BUF_SIZ
#define STR_ARG_SIZ ESC_ARG_SIZ
@@ -139,6 +140,7 @@ typedef struct {
int arg[ESC_ARG_SIZ];
int narg; /* nb of args */
char mode[2];
+ int carg[ESC_ARG_SIZ][CAR_PER_ARG]; /* colon args */
} CSIEscape;
/* STR Escape sequence structs */
@@ -159,6 +161,7 @@ static void ttywriteraw(const char *, size_t);
static void csidump(void);
static void csihandle(void);
+static void readcolonargs(char **, int, int[][CAR_PER_ARG]);
static void csiparse(void);
static void csireset(void);
static int eschandle(uchar);
@@ -1134,6 +1137,28 @@ tnewline(int first_col)
}
void
+readcolonargs(char **p, int cursor, int params[][CAR_PER_ARG])
+{
+ int i = 0;
+ for (; i < CAR_PER_ARG; i++)
+ params[cursor][i] = -1;
+
+ if (**p != ':')
+ return;
+
+ char *np = NULL;
+ i = 0;
+
+ while (**p == ':' && i < CAR_PER_ARG) {
+ while (**p == ':')
+ (*p)++;
+ params[cursor][i] = strtol(*p, &np, 10);
+ *p = np;
+ i++;
+ }
+}
+
+void
csiparse(void)
{
char *p = csiescseq.buf, *np;
@@ -1155,6 +1180,7 @@ csiparse(void)
v = -1;
csiescseq.arg[csiescseq.narg++] = v;
p = np;
+ readcolonargs(&p, csiescseq.narg-1, csiescseq.carg);
if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
break;
p++;
@@ -1371,6 +1397,10 @@ tsetattr(const int *attr, int l)
ATTR_STRUCK );
term.c.attr.fg = defaultfg;
term.c.attr.bg = defaultbg;
+ term.c.attr.ustyle = -1;
+ term.c.attr.ucolor[0] = -1;
+ term.c.attr.ucolor[1] = -1;
+ term.c.attr.ucolor[2] = -1;
break;
case 1:
term.c.attr.mode |= ATTR_BOLD;
@@ -1382,7 +1412,14 @@ tsetattr(const int *attr, int l)
term.c.attr.mode |= ATTR_ITALIC;
break;
case 4:
- term.c.attr.mode |= ATTR_UNDERLINE;
+ term.c.attr.ustyle = csiescseq.carg[i][0];
+
+ if (term.c.attr.ustyle != 0)
+ term.c.attr.mode |= ATTR_UNDERLINE;
+ else
+ term.c.attr.mode &= ~ATTR_UNDERLINE;
+
+ term.c.attr.mode ^= ATTR_DIRTYUNDERLINE;
break;
case 5: /* slow blink */
/* FALLTHROUGH */
@@ -1433,6 +1470,18 @@ tsetattr(const int *attr, int l)
case 49:
term.c.attr.bg = defaultbg;
break;
+ case 58:
+ term.c.attr.ucolor[0] = csiescseq.carg[i][1];
+ term.c.attr.ucolor[1] = csiescseq.carg[i][2];
+ term.c.attr.ucolor[2] = csiescseq.carg[i][3];
+ term.c.attr.mode ^= ATTR_DIRTYUNDERLINE;
+ break;
+ case 59:
+ term.c.attr.ucolor[0] = -1;
+ term.c.attr.ucolor[1] = -1;
+ term.c.attr.ucolor[2] = -1;
+ term.c.attr.mode ^= ATTR_DIRTYUNDERLINE;
+ break;
default:
if (BETWEEN(attr[i], 30, 37)) {
term.c.attr.fg = attr[i] - 30;
diff --git a/st.h b/st.h
@@ -34,6 +34,7 @@ enum glyph_attribute {
ATTR_WIDE = 1 << 9,
ATTR_WDUMMY = 1 << 10,
ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
+ ATTR_DIRTYUNDERLINE = 1 << 15,
};
enum selection_mode {
@@ -65,6 +66,8 @@ typedef struct {
ushort mode; /* attribute flags */
uint32_t fg; /* foreground */
uint32_t bg; /* background */
+ int ustyle; /* underline style */
+ int ucolor[3]; /* underline color */
} Glyph;
typedef Glyph *Line;
diff --git a/st.info b/st.info
@@ -0,0 +1,240 @@
+st-mono| simpleterm monocolor,
+ Su,
+ acsc=+C\,D-A.B0E``aaffgghFiGjjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~,
+ am,
+ bce,
+ bel=^G,
+ blink=\E[5m,
+ bold=\E[1m,
+ cbt=\E[Z,
+ cvvis=\E[?25h,
+ civis=\E[?25l,
+ clear=\E[H\E[2J,
+ cnorm=\E[?12l\E[?25h,
+ colors#2,
+ cols#80,
+ cr=^M,
+ csr=\E[%i%p1%d;%p2%dr,
+ cub=\E[%p1%dD,
+ cub1=^H,
+ cud1=^J,
+ cud=\E[%p1%dB,
+ cuf1=\E[C,
+ cuf=\E[%p1%dC,
+ cup=\E[%i%p1%d;%p2%dH,
+ cuu1=\E[A,
+ cuu=\E[%p1%dA,
+ dch=\E[%p1%dP,
+ dch1=\E[P,
+ dim=\E[2m,
+ dl=\E[%p1%dM,
+ dl1=\E[M,
+ ech=\E[%p1%dX,
+ ed=\E[J,
+ el=\E[K,
+ el1=\E[1K,
+ enacs=\E)0,
+ flash=\E[?5h$<80/>\E[?5l,
+ fsl=^G,
+ home=\E[H,
+ hpa=\E[%i%p1%dG,
+ hs,
+ ht=^I,
+ hts=\EH,
+ ich=\E[%p1%d@,
+ il1=\E[L,
+ il=\E[%p1%dL,
+ ind=^J,
+ indn=\E[%p1%dS,
+ invis=\E[8m,
+ is2=\E[4l\E>\E[?1034l,
+ it#8,
+ kel=\E[1;2F,
+ ked=\E[1;5F,
+ ka1=\E[1~,
+ ka3=\E[5~,
+ kc1=\E[4~,
+ kc3=\E[6~,
+ kbs=\177,
+ kcbt=\E[Z,
+ kb2=\EOu,
+ kcub1=\EOD,
+ kcud1=\EOB,
+ kcuf1=\EOC,
+ kcuu1=\EOA,
+ kDC=\E[3;2~,
+ kent=\EOM,
+ kEND=\E[1;2F,
+ kIC=\E[2;2~,
+ kNXT=\E[6;2~,
+ kPRV=\E[5;2~,
+ kHOM=\E[1;2H,
+ kLFT=\E[1;2D,
+ kRIT=\E[1;2C,
+ kind=\E[1;2B,
+ kri=\E[1;2A,
+ kclr=\E[3;5~,
+ kdl1=\E[3;2~,
+ kdch1=\E[3~,
+ kich1=\E[2~,
+ kend=\E[4~,
+ kf1=\EOP,
+ kf2=\EOQ,
+ kf3=\EOR,
+ kf4=\EOS,
+ kf5=\E[15~,
+ kf6=\E[17~,
+ kf7=\E[18~,
+ kf8=\E[19~,
+ kf9=\E[20~,
+ kf10=\E[21~,
+ kf11=\E[23~,
+ kf12=\E[24~,
+ kf13=\E[1;2P,
+ kf14=\E[1;2Q,
+ kf15=\E[1;2R,
+ kf16=\E[1;2S,
+ kf17=\E[15;2~,
+ kf18=\E[17;2~,
+ kf19=\E[18;2~,
+ kf20=\E[19;2~,
+ kf21=\E[20;2~,
+ kf22=\E[21;2~,
+ kf23=\E[23;2~,
+ kf24=\E[24;2~,
+ kf25=\E[1;5P,
+ kf26=\E[1;5Q,
+ kf27=\E[1;5R,
+ kf28=\E[1;5S,
+ kf29=\E[15;5~,
+ kf30=\E[17;5~,
+ kf31=\E[18;5~,
+ kf32=\E[19;5~,
+ kf33=\E[20;5~,
+ kf34=\E[21;5~,
+ kf35=\E[23;5~,
+ kf36=\E[24;5~,
+ kf37=\E[1;6P,
+ kf38=\E[1;6Q,
+ kf39=\E[1;6R,
+ kf40=\E[1;6S,
+ kf41=\E[15;6~,
+ kf42=\E[17;6~,
+ kf43=\E[18;6~,
+ kf44=\E[19;6~,
+ kf45=\E[20;6~,
+ kf46=\E[21;6~,
+ kf47=\E[23;6~,
+ kf48=\E[24;6~,
+ kf49=\E[1;3P,
+ kf50=\E[1;3Q,
+ kf51=\E[1;3R,
+ kf52=\E[1;3S,
+ kf53=\E[15;3~,
+ kf54=\E[17;3~,
+ kf55=\E[18;3~,
+ kf56=\E[19;3~,
+ kf57=\E[20;3~,
+ kf58=\E[21;3~,
+ kf59=\E[23;3~,
+ kf60=\E[24;3~,
+ kf61=\E[1;4P,
+ kf62=\E[1;4Q,
+ kf63=\E[1;4R,
+ khome=\E[1~,
+ kil1=\E[2;5~,
+ krmir=\E[2;2~,
+ knp=\E[6~,
+ kmous=\E[M,
+ kpp=\E[5~,
+ lines#24,
+ mir,
+ msgr,
+ npc,
+ op=\E[39;49m,
+ pairs#64,
+ mc0=\E[i,
+ mc4=\E[4i,
+ mc5=\E[5i,
+ rc=\E8,
+ rev=\E[7m,
+ ri=\EM,
+ rin=\E[%p1%dT,
+ ritm=\E[23m,
+ rmacs=\E(B,
+ rmcup=\E[?1049l,
+ rmir=\E[4l,
+ rmkx=\E[?1l\E>,
+ rmso=\E[27m,
+ rmul=\E[24m,
+ rs1=\Ec,
+ rs2=\E[4l\E>\E[?1034l,
+ sc=\E7,
+ sitm=\E[3m,
+ sgr0=\E[0m,
+ smacs=\E(0,
+ smcup=\E[?1049h,
+ smir=\E[4h,
+ smkx=\E[?1h\E=,
+ smso=\E[7m,
+ smul=\E[4m,
+ tbc=\E[3g,
+ tsl=\E]0;,
+ xenl,
+ vpa=\E[%i%p1%dd,
+# XTerm extensions
+ rmxx=\E[29m,
+ smxx=\E[9m,
+# disabled rep for now: causes some issues with older ncurses versions.
+# rep=%p1%c\E[%p2%{1}%-%db,
+# tmux extensions, see TERMINFO EXTENSIONS in tmux(1)
+ Tc,
+ Ms=\E]52;%p1%s;%p2%s\007,
+ Se=\E[2 q,
+ Ss=\E[%p1%d q,
+
+st| simpleterm,
+ use=st-mono,
+ colors#8,
+ setab=\E[4%p1%dm,
+ setaf=\E[3%p1%dm,
+ setb=\E[4%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m,
+ setf=\E[3%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m,
+ sgr=%?%p9%t\E(0%e\E(B%;\E[0%?%p6%t;1%;%?%p2%t;4%;%?%p1%p3%|%t;7%;%?%p4%t;5%;%?%p7%t;8%;m,
+
+st-256color| simpleterm with 256 colors,
+ use=st,
+ ccc,
+ colors#256,
+ oc=\E]104\007,
+ pairs#32767,
+# Nicked from xterm-256color
+ initc=\E]4;%p1%d;rgb\:%p2%{255}%*%{1000}%/%2.2X/%p3%{255}%*%{1000}%/%2.2X/%p4%{255}%*%{1000}%/%2.2X\E\\,
+ setab=\E[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e48;5;%p1%d%;m,
+ setaf=\E[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;m,
+
+st-meta| simpleterm with meta key,
+ use=st,
+ km,
+ rmm=\E[?1034l,
+ smm=\E[?1034h,
+ rs2=\E[4l\E>\E[?1034h,
+ is2=\E[4l\E>\E[?1034h,
+
+st-meta-256color| simpleterm with meta key and 256 colors,
+ use=st-256color,
+ km,
+ rmm=\E[?1034l,
+ smm=\E[?1034h,
+ rs2=\E[4l\E>\E[?1034h,
+ is2=\E[4l\E>\E[?1034h,
+
+st-bs| simpleterm with backspace as backspace,
+ use=st,
+ kbs=\010,
+ kdch1=\177,
+
+st-bs-256color| simpleterm with backspace as backspace and 256colors,
+ use=st-256color,
+ kbs=\010,
+ kdch1=\177,
diff --git a/x.c b/x.c
@@ -1464,8 +1464,95 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
/* Render underline and strikethrough. */
if (base.mode & ATTR_UNDERLINE) {
- XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
- width, 1);
+ // Underline Color
+ int wlw = 1; // Wave Line Width
+ int linecolor;
+ if ((base.ucolor[0] >= 0) &&
+ !(base.mode & ATTR_BLINK && win.mode & MODE_BLINK) &&
+ !(base.mode & ATTR_INVISIBLE)
+ ) {
+ // Special color for underline
+ // Index
+ if (base.ucolor[1] < 0) {
+ linecolor = dc.col[base.ucolor[0]].pixel;
+ }
+ // RGB
+ else {
+ XColor lcolor;
+ lcolor.red = base.ucolor[0] * 257;
+ lcolor.green = base.ucolor[1] * 257;
+ lcolor.blue = base.ucolor[2] * 257;
+ lcolor.flags = DoRed | DoGreen | DoBlue;
+ XAllocColor(xw.dpy, xw.cmap, &lcolor);
+ linecolor = lcolor.pixel;
+ }
+ } else {
+ // Foreground color for underline
+ linecolor = fg->pixel;
+ }
+
+ XGCValues ugcv = {
+ .foreground = linecolor,
+ .line_width = wlw,
+ .line_style = LineSolid,
+ .cap_style = CapNotLast
+ };
+
+ GC ugc = XCreateGC(xw.dpy, XftDrawDrawable(xw.draw),
+ GCForeground | GCLineWidth | GCLineStyle | GCCapStyle,
+ &ugcv);
+
+ // Underline Style
+ if (base.ustyle != 3) {
+ //XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1, width, 1);
+ XFillRectangle(xw.dpy, XftDrawDrawable(xw.draw), ugc, winx,
+ winy + dc.font.ascent + 1, width, wlw);
+ } else if (base.ustyle == 3) {
+ int ww = win.cw;//width;
+ int wh = dc.font.descent - wlw/2 - 1;//r.height/7;
+ int wx = winx;
+ int wy = winy + win.ch - dc.font.descent;
+
+ // Draw waves
+ int narcs = charlen * 2 + 1;
+ XArc *arcs = xmalloc(sizeof(XArc) * narcs);
+
+ int i = 0;
+ for (i = 0; i < charlen-1; i++) {
+ arcs[i*2] = (XArc) {
+ .x = wx + win.cw * i + ww / 4,
+ .y = wy,
+ .width = win.cw / 2,
+ .height = wh,
+ .angle1 = 0,
+ .angle2 = 180 * 64
+ };
+ arcs[i*2+1] = (XArc) {
+ .x = wx + win.cw * i + ww * 0.75,
+ .y = wy,
+ .width = win.cw/2,
+ .height = wh,
+ .angle1 = 180 * 64,
+ .angle2 = 180 * 64
+ };
+ }
+ // Last wave
+ arcs[i*2] = (XArc) {wx + ww * i + ww / 4, wy, ww / 2, wh,
+ 0, 180 * 64 };
+ // Last wave tail
+ arcs[i*2+1] = (XArc) {wx + ww * i + ww * 0.75, wy, ceil(ww / 2.),
+ wh, 180 * 64, 90 * 64};
+ // First wave tail
+ i++;
+ arcs[i*2] = (XArc) {wx - ww/4 - 1, wy, ceil(ww / 2.), wh, 270 * 64,
+ 90 * 64 };
+
+ XDrawArcs(xw.dpy, XftDrawDrawable(xw.draw), ugc, arcs, narcs);
+
+ free(arcs);
+ }
+
+ XFreeGC(xw.dpy, ugc);
}
if (base.mode & ATTR_STRUCK) {
