st

commit 97988681134630a84c9824d83027d0f429d427e8
parent 953e60e96aca92491703ff1cb6aec33f91c0e945
Author: parazyd <parazyd@dyne.org>
Date:   Tue, 26 Apr 2022 20:45:45 +0200

plumb selected text with right click

Diffstat:
M
config.def.h
 | 
6
++++++
M
st.c
 | 
9
+++++++++
M
st.h
 | 
2
++
M
x.c
 | 
28
++++++++++++++++++++++++++++

4 files changed, 45 insertions(+), 0 deletions(-)
diff --git a/config.def.h b/config.def.h
@@ -476,3 +476,9 @@ static char ascii_printable[] =
 	" !\"#$%&'()*+,-./0123456789:;<=>?"
 	"@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"
 	"`abcdefghijklmnopqrstuvwxyz{|}~";
+
+/*
+ * plumb_cmd is run on mouse button 3 click, with argument set to
+ * current selection and with cwd set to be the cwd of the active shell
+ */
+static char *plumb_cmd = "/usr/local/bin/plumber";
diff --git a/st.c b/st.c
@@ -232,6 +232,15 @@ static const uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
 static const Rune utfmin[UTF_SIZ + 1] = {       0,    0,  0x80,  0x800,  0x10000};
 static const Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
 
+int
+subprocwd(char *path)
+{
+	if (snprintf(path, PATH_MAX, "/proc/%d/cwd", pid) < 0)
+		return -1;
+
+	return 0;
+}
+
 ssize_t
 xwrite(int fd, const char *s, size_t len)
 {
diff --git a/st.h b/st.h
@@ -111,6 +111,8 @@ void *xmalloc(size_t);
 void *xrealloc(void *, size_t);
 char *xstrdup(const char *);
 
+int subprocwd(char *);
+
 /* config.h globals */
 extern char *utmp;
 extern char *scroll;
diff --git a/x.c b/x.c
@@ -5,6 +5,7 @@
 #include <locale.h>
 #include <signal.h>
 #include <sys/select.h>
+#include <sys/wait.h>
 #include <time.h>
 #include <unistd.h>
 #include <libgen.h>
@@ -721,6 +722,31 @@ xsetsel(char *str)
 }
 
 void
+plumb(char *sel)
+{
+	if (sel == NULL)
+		return;
+
+	char cwd[PATH_MAX];
+	pid_t child;
+	if (subprocwd(cwd) != 0)
+		return;
+
+	switch (child = fork()) {
+	case -1:
+		return;
+	case 0:
+		if (chdir(cwd) != 0)
+			exit(1);
+		if (execvp(plumb_cmd, (char *const []){plumb_cmd, sel, 0}) == -1)
+			exit(1);
+		exit(0);
+	default:
+		waitpid(child, NULL, 0);
+	}
+}
+
+void
 brelease(XEvent *e)
 {
 	int btn = e->xbutton.button;
@@ -737,6 +763,8 @@ brelease(XEvent *e)
 		return;
 	if (btn == Button1)
 		mousesel(e, 1);
+	else if (btn == Button3)
+		plumb(xsel.primary);
 }
 
 void