patched externalpipe

Makefile

@@ -24,7 +24,7 @@ st: $(OBJ)
 	$(CC) -o $@ $(OBJ) $(STLDFLAGS)
 
 clean:
-	rm -f st $(OBJ) st-$(VERSION).tar.gz
+	rm -f st $(OBJ) st-$(VERSION).tar.gz config.h
 
 dist: clean
 	mkdir -p st-$(VERSION)

config.def.h

@@ -5,7 +5,7 @@
  *
  * font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
  */
-static char *font = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
+static char *font = "FiraCode Nerd Font:pixelsize=12:antialias=true:autohint=true";
 static int borderpx = 2;
 
 /*
@@ -93,45 +93,39 @@ char *termname = "st-256color";
  */
 unsigned int tabspaces = 8;
 
+/* bg opacity */
+float alpha = 0.8;
+
 /* Terminal colors (16 first used in escape sequence) */
 static const char *colorname[] = {
     /* 8 normal colors */
-	"black",
+    [0] = "#282828", /* hard contrast: #1d2021 / soft contrast: #32302f */
-	"red3",
+    [1] = "#cc241d", /* red     */
-	"green3",
+    [2] = "#98971a", /* green   */
-	"yellow3",
+    [3] = "#d79921", /* yellow  */
-	"blue2",
+    [4] = "#458588", /* blue    */
-	"magenta3",
+    [5] = "#b16286", /* magenta */
-	"cyan3",
+    [6] = "#689d6a", /* cyan    */
-	"gray90",
+    [7] = "#a89984", /* white   */
 
     /* 8 bright colors */
-	"gray50",
+    [8] = "#928374",  /* black   */
-	"red",
+    [9] = "#fb4934",  /* red     */
-	"green",
+    [10] = "#b8bb26", /* green   */
-	"yellow",
+    [11] = "#fabd2f", /* yellow  */
-	"#5c5cff",
+    [12] = "#83a598", /* blue    */
-	"magenta",
+    [13] = "#d3869b", /* magenta */
-	"cyan",
+    [14] = "#8ec07c", /* cyan    */
-	"white",
+    [15] = "#ebdbb2", /* white   */
-
-	[255] = 0,
-
-	/* more colors can be added after 255 to use with DefaultXX */
-	"#cccccc",
-	"#555555",
-	"gray90", /* default foreground colour */
-	"black", /* default background colour */
 };
 
-
 /*
  * Default colors (colorname index)
  * foreground, background, cursor, reverse cursor
  */
-unsigned int defaultfg = 258;
+unsigned int defaultfg = 15;
-unsigned int defaultbg = 259;
+unsigned int defaultbg = 0;
-unsigned int defaultcs = 256;
+unsigned int defaultcs = 15;
 static unsigned int defaultrcs = 257;
 
 /*
@@ -468,7 +462,7 @@ static uint selmasks[] = {
  * Printable characters in ASCII, used to estimate the advance width
  * of single wide characters.
  */
-static char ascii_printable[] =
+static char ascii_printable[] = " !\"#$%&'()*+,-./0123456789:;<=>?"
-	" !\"#$%&'()*+,-./0123456789:;<=>?"
                                 "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"
                                 "`abcdefghijklmnopqrstuvwxyz{|}~";
+

st-alpha-20240814-a0274bc.diff

@@ -0,0 +1,129 @@
+diff --git a/config.def.h b/config.def.h
+index 2cd740a..019a4e1 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -93,6 +93,9 @@ char *termname = "st-256color";
+  */
+ unsigned int tabspaces = 8;
+ 
++/* bg opacity */
++float alpha = 0.8;
++
+ /* Terminal colors (16 first used in escape sequence) */
+ static const char *colorname[] = {
+ 	/* 8 normal colors */
+diff --git a/x.c b/x.c
+index d73152b..f32fd6c 100644
+--- a/x.c
++++ b/x.c
+@@ -105,6 +105,7 @@ typedef struct {
+ 	XSetWindowAttributes attrs;
+ 	int scr;
+ 	int isfixed; /* is fixed geometry? */
++	int depth; /* bit depth */
+ 	int l, t; /* left and top offset */
+ 	int gm; /* geometry mask */
+ } XWindow;
+@@ -752,7 +753,7 @@ xresize(int col, int row)
+ 
+ 	XFreePixmap(xw.dpy, xw.buf);
+ 	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
+-			DefaultDepth(xw.dpy, xw.scr));
++			xw.depth);
+ 	XftDrawChange(xw.draw, xw.buf);
+ 	xclear(0, 0, win.w, win.h);
+ 
+@@ -812,6 +813,10 @@ xloadcols(void)
+ 			else
+ 				die("could not allocate color %d\n", i);
+ 		}
++
++	dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
++	dc.col[defaultbg].pixel &= 0x00FFFFFF;
++	dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
+ 	loaded = 1;
+ }
+ 
+@@ -842,6 +847,12 @@ xsetcolorname(int x, const char *name)
+ 	XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
+ 	dc.col[x] = ncolor;
+ 
++	if (x == defaultbg) {
++		dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
++		dc.col[defaultbg].pixel &= 0x00FFFFFF;
++		dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
++	}
++
+ 	return 0;
+ }
+ 
+@@ -1134,11 +1145,25 @@ xinit(int cols, int rows)
+ 	Window parent, root;
+ 	pid_t thispid = getpid();
+ 	XColor xmousefg, xmousebg;
++	XWindowAttributes attr;
++	XVisualInfo vis;
+ 
+ 	if (!(xw.dpy = XOpenDisplay(NULL)))
+ 		die("can't open display\n");
+ 	xw.scr = XDefaultScreen(xw.dpy);
+-	xw.vis = XDefaultVisual(xw.dpy, xw.scr);
++
++	root = XRootWindow(xw.dpy, xw.scr);
++	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
++		parent = root;
++
++	if (XMatchVisualInfo(xw.dpy, xw.scr, 32, TrueColor, &vis) != 0) {
++		xw.vis = vis.visual;
++		xw.depth = vis.depth;
++	} else {
++		XGetWindowAttributes(xw.dpy, parent, &attr);
++		xw.vis = attr.visual;
++		xw.depth = attr.depth;
++	}
+ 
+ 	/* font */
+ 	if (!FcInit())
+@@ -1148,7 +1173,7 @@ xinit(int cols, int rows)
+ 	xloadfonts(usedfont, 0);
+ 
+ 	/* colors */
+-	xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
++	xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
+ 	xloadcols();
+ 
+ 	/* adjust fixed window geometry */
+@@ -1168,11 +1193,8 @@ xinit(int cols, int rows)
+ 		| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
+ 	xw.attrs.colormap = xw.cmap;
+ 
+-	root = XRootWindow(xw.dpy, xw.scr);
+-	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
+-		parent = root;
+-	xw.win = XCreateWindow(xw.dpy, root, xw.l, xw.t,
+-			win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
++	xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
++			win.w, win.h, 0, xw.depth, InputOutput,
+ 			xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
+ 			| CWEventMask | CWColormap, &xw.attrs);
+ 	if (parent != root)
+@@ -1183,7 +1205,7 @@ xinit(int cols, int rows)
+ 	dc.gc = XCreateGC(xw.dpy, xw.win, GCGraphicsExposures,
+ 			&gcvalues);
+ 	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
+-			DefaultDepth(xw.dpy, xw.scr));
++			xw.depth);
+ 	XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
+ 	XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
+ 
+@@ -2047,6 +2069,10 @@ main(int argc, char *argv[])
+ 	case 'a':
+ 		allowaltscreen = 0;
+ 		break;
++	case 'A':
++		alpha = strtof(EARGF(usage()), NULL);
++		LIMIT(alpha, 0.0, 1.0);
++		break;
+ 	case 'c':
+ 		opt_class = EARGF(usage());
+ 		break;

st-clipboard-0.8.3.diff

@@ -0,0 +1,12 @@
+diff --git a/x.c b/x.c
+index e5f1737..5cabd60 100644
+--- a/x.c
++++ b/x.c
+@@ -673,6 +673,7 @@ setsel(char *str, Time t)
+ 	XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
+ 	if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
+ 		selclear();
++	clipcopy(NULL);
+ }
+ 
+ void

st-externalpipe-0.8.5.diff

@@ -0,0 +1,104 @@
+diff --git a/st.c b/st.c
+index 034954d..98f2589 100644
+--- a/st.c
++++ b/st.c
+@@ -718,8 +718,14 @@ sigchld(int a)
+ 	if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
+ 		die("waiting for pid %hd failed: %s\n", pid, strerror(errno));
+ 
+-	if (pid != p)
++	if (pid != p) {
++		if (p == 0 && wait(&stat) < 0)
++			die("wait: %s\n", strerror(errno));
++
++		/* reinstall sigchld handler */
++		signal(SIGCHLD, sigchld);
+ 		return;
++	}
+ 
+ 	if (WIFEXITED(stat) && WEXITSTATUS(stat))
+ 		die("child exited with status %d\n", WEXITSTATUS(stat));
+@@ -803,7 +809,7 @@ ttynew(const char *line, char *cmd, const char *out, char **args)
+ 		break;
+ 	default:
+ #ifdef __OpenBSD__
+-		if (pledge("stdio rpath tty proc", NULL) == -1)
++		if (pledge("stdio rpath tty proc exec", NULL) == -1)
+ 			die("pledge\n");
+ #endif
+ 		close(s);
+@@ -1991,6 +1997,59 @@ strparse(void)
+ 	}
+ }
+ 
++void
++externalpipe(const Arg *arg)
++{
++	int to[2];
++	char buf[UTF_SIZ];
++	void (*oldsigpipe)(int);
++	Glyph *bp, *end;
++	int lastpos, n, newline;
++
++	if (pipe(to) == -1)
++		return;
++
++	switch (fork()) {
++	case -1:
++		close(to[0]);
++		close(to[1]);
++		return;
++	case 0:
++		dup2(to[0], STDIN_FILENO);
++		close(to[0]);
++		close(to[1]);
++		execvp(((char **)arg->v)[0], (char **)arg->v);
++		fprintf(stderr, "st: execvp %s\n", ((char **)arg->v)[0]);
++		perror("failed");
++		exit(0);
++	}
++
++	close(to[0]);
++	/* ignore sigpipe for now, in case child exists early */
++	oldsigpipe = signal(SIGPIPE, SIG_IGN);
++	newline = 0;
++	for (n = 0; n < term.row; n++) {
++		bp = term.line[n];
++		lastpos = MIN(tlinelen(n) + 1, term.col) - 1;
++		if (lastpos < 0)
++			break;
++		end = &bp[lastpos + 1];
++		for (; bp < end; ++bp)
++			if (xwrite(to[1], buf, utf8encode(bp->u, buf)) < 0)
++				break;
++		if ((newline = term.line[n][lastpos].mode & ATTR_WRAP))
++			continue;
++		if (xwrite(to[1], "\n", 1) < 0)
++			break;
++		newline = 0;
++	}
++	if (newline)
++		(void)xwrite(to[1], "\n", 1);
++	close(to[1]);
++	/* restore */
++	signal(SIGPIPE, oldsigpipe);
++}
++
+ void
+ strdump(void)
+ {
+diff --git a/st.h b/st.h
+index fd3b0d8..754cd08 100644
+--- a/st.h
++++ b/st.h
+@@ -81,6 +81,7 @@ void die(const char *, ...);
+ void redraw(void);
+ void draw(void);
+ 
++void externalpipe(const Arg *);
+ void printscreen(const Arg *);
+ void printsel(const Arg *);
+ void sendbreak(const Arg *);
+-- 
+2.42.0
+

st-gruvbox-dark-0.8.5.diff

@@ -0,0 +1,66 @@
+diff --git a/config.def.h b/config.def.h
+index 91ab8ca..a068694 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -96,32 +96,24 @@ unsigned int tabspaces = 8;
+ /* Terminal colors (16 first used in escape sequence) */
+ static const char *colorname[] = {
+ 	/* 8 normal colors */
+-	"black",
+-	"red3",
+-	"green3",
+-	"yellow3",
+-	"blue2",
+-	"magenta3",
+-	"cyan3",
+-	"gray90",
++	[0] = "#282828", /* hard contrast: #1d2021 / soft contrast: #32302f */
++	[1] = "#cc241d", /* red     */
++	[2] = "#98971a", /* green   */
++	[3] = "#d79921", /* yellow  */
++	[4] = "#458588", /* blue    */
++	[5] = "#b16286", /* magenta */
++	[6] = "#689d6a", /* cyan    */
++	[7] = "#a89984", /* white   */
+ 
+ 	/* 8 bright colors */
+-	"gray50",
+-	"red",
+-	"green",
+-	"yellow",
+-	"#5c5cff",
+-	"magenta",
+-	"cyan",
+-	"white",
+-
+-	[255] = 0,
+-
+-	/* more colors can be added after 255 to use with DefaultXX */
+-	"#cccccc",
+-	"#555555",
+-	"gray90", /* default foreground colour */
+-	"black", /* default background colour */
++	[8]  = "#928374", /* black   */
++	[9]  = "#fb4934", /* red     */
++	[10] = "#b8bb26", /* green   */
++	[11] = "#fabd2f", /* yellow  */
++	[12] = "#83a598", /* blue    */
++	[13] = "#d3869b", /* magenta */
++	[14] = "#8ec07c", /* cyan    */
++	[15] = "#ebdbb2", /* white   */
+ };
+ 
+ 
+@@ -129,9 +121,9 @@ static const char *colorname[] = {
+  * Default colors (colorname index)
+  * foreground, background, cursor, reverse cursor
+  */
+-unsigned int defaultfg = 258;
+-unsigned int defaultbg = 259;
+-unsigned int defaultcs = 256;
++unsigned int defaultfg = 15;
++unsigned int defaultbg = 0;
++unsigned int defaultcs = 15;
+ static unsigned int defaultrcs = 257;
+ 
+ /*

st.c

@@ -718,8 +718,14 @@ sigchld(int a)
 	if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
 		die("waiting for pid %hd failed: %s\n", pid, strerror(errno));
 
-	if (pid != p)
+	if (pid != p) {
+		if (p == 0 && wait(&stat) < 0)
+			die("wait: %s\n", strerror(errno));
+
+		/* reinstall sigchld handler */
+		signal(SIGCHLD, sigchld);
 		return;
+	}
 
 	if (WIFEXITED(stat) && WEXITSTATUS(stat))
 		die("child exited with status %d\n", WEXITSTATUS(stat));
@@ -803,7 +809,7 @@ ttynew(const char *line, char *cmd, const char *out, char **args)
 		break;
 	default:
 #ifdef __OpenBSD__
-		if (pledge("stdio rpath tty proc", NULL) == -1)
+		if (pledge("stdio rpath tty proc exec", NULL) == -1)
 			die("pledge\n");
 #endif
 		close(s);
@@ -1998,6 +2004,59 @@ strparse(void)
 	}
 }
 
+void
+externalpipe(const Arg *arg)
+{
+	int to[2];
+	char buf[UTF_SIZ];
+	void (*oldsigpipe)(int);
+	Glyph *bp, *end;
+	int lastpos, n, newline;
+
+	if (pipe(to) == -1)
+		return;
+
+	switch (fork()) {
+	case -1:
+		close(to[0]);
+		close(to[1]);
+		return;
+	case 0:
+		dup2(to[0], STDIN_FILENO);
+		close(to[0]);
+		close(to[1]);
+		execvp(((char **)arg->v)[0], (char **)arg->v);
+		fprintf(stderr, "st: execvp %s\n", ((char **)arg->v)[0]);
+		perror("failed");
+		exit(0);
+	}
+
+	close(to[0]);
+	/* ignore sigpipe for now, in case child exists early */
+	oldsigpipe = signal(SIGPIPE, SIG_IGN);
+	newline = 0;
+	for (n = 0; n < term.row; n++) {
+		bp = term.line[n];
+		lastpos = MIN(tlinelen(n) + 1, term.col) - 1;
+		if (lastpos < 0)
+			break;
+		end = &bp[lastpos + 1];
+		for (; bp < end; ++bp)
+			if (xwrite(to[1], buf, utf8encode(bp->u, buf)) < 0)
+				break;
+		if ((newline = term.line[n][lastpos].mode & ATTR_WRAP))
+			continue;
+		if (xwrite(to[1], "\n", 1) < 0)
+			break;
+		newline = 0;
+	}
+	if (newline)
+		(void)xwrite(to[1], "\n", 1);
+	close(to[1]);
+	/* restore */
+	signal(SIGPIPE, oldsigpipe);
+}
+
 void
 strdump(void)
 {

st.h

@@ -81,6 +81,7 @@ void die(const char *, ...);
 void redraw(void);
 void draw(void);
 
+void externalpipe(const Arg *);
 void printscreen(const Arg *);
 void printsel(const Arg *);
 void sendbreak(const Arg *);

x.c

@@ -105,6 +105,7 @@ typedef struct {
 	XSetWindowAttributes attrs;
 	int scr;
 	int isfixed; /* is fixed geometry? */
+	int depth; /* bit depth */
 	int l, t; /* left and top offset */
 	int gm; /* geometry mask */
 } XWindow;
@@ -686,6 +687,7 @@ setsel(char *str, Time t)
 	XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
 	if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
 		selclear();
+	clipcopy(NULL);
 }
 
 void
@@ -752,7 +754,7 @@ xresize(int col, int row)
 
 	XFreePixmap(xw.dpy, xw.buf);
 	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
-			DefaultDepth(xw.dpy, xw.scr));
+			xw.depth);
 	XftDrawChange(xw.draw, xw.buf);
 	xclear(0, 0, win.w, win.h);
 
@@ -812,6 +814,10 @@ xloadcols(void)
 			else
 				die("could not allocate color %d\n", i);
 		}
+
+	dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
+	dc.col[defaultbg].pixel &= 0x00FFFFFF;
+	dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
 	loaded = 1;
 }
 
@@ -842,6 +848,12 @@ xsetcolorname(int x, const char *name)
 	XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
 	dc.col[x] = ncolor;
 
+	if (x == defaultbg) {
+		dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
+		dc.col[defaultbg].pixel &= 0x00FFFFFF;
+		dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
+	}
+
 	return 0;
 }
 
@@ -1134,11 +1146,25 @@ xinit(int cols, int rows)
 	Window parent, root;
 	pid_t thispid = getpid();
 	XColor xmousefg, xmousebg;
+	XWindowAttributes attr;
+	XVisualInfo vis;
 
 	if (!(xw.dpy = XOpenDisplay(NULL)))
 		die("can't open display\n");
 	xw.scr = XDefaultScreen(xw.dpy);
-	xw.vis = XDefaultVisual(xw.dpy, xw.scr);
+
+	root = XRootWindow(xw.dpy, xw.scr);
+	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
+		parent = root;
+
+	if (XMatchVisualInfo(xw.dpy, xw.scr, 32, TrueColor, &vis) != 0) {
+		xw.vis = vis.visual;
+		xw.depth = vis.depth;
+	} else {
+		XGetWindowAttributes(xw.dpy, parent, &attr);
+		xw.vis = attr.visual;
+		xw.depth = attr.depth;
+	}
 
 	/* font */
 	if (!FcInit())
@@ -1148,7 +1174,7 @@ xinit(int cols, int rows)
 	xloadfonts(usedfont, 0);
 
 	/* colors */
-	xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
+	xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
 	xloadcols();
 
 	/* adjust fixed window geometry */
@@ -1168,11 +1194,8 @@ xinit(int cols, int rows)
 		| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
 	xw.attrs.colormap = xw.cmap;
 
-	root = XRootWindow(xw.dpy, xw.scr);
+	xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
-	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
+			win.w, win.h, 0, xw.depth, InputOutput,
-		parent = root;
-	xw.win = XCreateWindow(xw.dpy, root, xw.l, xw.t,
-			win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
 			xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
 			| CWEventMask | CWColormap, &xw.attrs);
 	if (parent != root)
@@ -1183,7 +1206,7 @@ xinit(int cols, int rows)
 	dc.gc = XCreateGC(xw.dpy, xw.win, GCGraphicsExposures,
 			&gcvalues);
 	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
-			DefaultDepth(xw.dpy, xw.scr));
+			xw.depth);
 	XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
 	XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
 
@@ -2047,6 +2070,10 @@ main(int argc, char *argv[])
 	case 'a':
 		allowaltscreen = 0;
 		break;
+	case 'A':
+		alpha = strtof(EARGF(usage()), NULL);
+		LIMIT(alpha, 0.0, 1.0);
+		break;
 	case 'c':
 		opt_class = EARGF(usage());
 		break;