From 4457379f7642fb09c9a7ad1d78476c73f61d967c Mon Sep 17 00:00:00 2001
From: Emil Miler <emil.miler@pedf.cuni.cz>
Date: Tue, 5 Jan 2021 00:17:54 +0100
Subject: [PATCH] Apply st-newterm-0.8.2.diff

---
 config.def.h |  1 +
 st.c         | 21 +++++++++++++++++++++
 st.h         |  1 +
 3 files changed, 23 insertions(+)

diff --git a/config.def.h b/config.def.h
index 636dcbf..ddeedaf 100644
--- a/config.def.h
+++ b/config.def.h
@@ -213,6 +213,7 @@ static Shortcut shortcuts[] = {
 	{ TERMMOD,              XK_Y,           selpaste,       {.i =  0} },
 	{ ShiftMask,            XK_Insert,      selpaste,       {.i =  0} },
 	{ TERMMOD,              XK_Num_Lock,    numlock,        {.i =  0} },
+	{ TERMMOD,              XK_Return,      newterm,        {.i =  0} },
 	{ ShiftMask,            XK_Page_Up,     kscrollup,      {.i = -1} },
 	{ ShiftMask,            XK_Page_Down,   kscrolldown,    {.i = -1} },
 };
diff --git a/st.c b/st.c
index 3c5f2bc..d013f1c 100644
--- a/st.c
+++ b/st.c
@@ -160,6 +160,7 @@ typedef struct {
 } STREscape;
 
 static void execsh(char *, char **);
+static char *getcwd_by_pid(pid_t pid);
 static void stty(char **);
 static void sigchld(int);
 static void ttywriteraw(const char *, size_t);
@@ -1057,6 +1058,20 @@ tnew(int col, int row)
 	treset();
 }
 
+void
+newterm(const Arg* a)
+{
+	switch (fork()) {
+	case -1:
+		die("fork failed: %s\n", strerror(errno));
+		break;
+	case 0:
+		chdir(getcwd_by_pid(pid));
+		execlp("st", "./st", NULL);
+		break;
+	}
+}
+
 void
 tswapscreen(void)
 {
@@ -1101,6 +1116,12 @@ kscrollup(const Arg* a)
 	}
 }
 
+static char *getcwd_by_pid(pid_t pid) {
+	char buf[32];
+	snprintf(buf, sizeof buf, "/proc/%d/cwd", pid);
+	return realpath(buf, NULL);
+}
+
 void
 tscrolldown(int orig, int n, int copyhist)
 {
diff --git a/st.h b/st.h
index fd15a7a..000504f 100644
--- a/st.h
+++ b/st.h
@@ -84,6 +84,7 @@ void draw(void);
 
 void kscrolldown(const Arg *);
 void kscrollup(const Arg *);
+void newterm(const Arg *);
 void printscreen(const Arg *);
 void printsel(const Arg *);
 void sendbreak(const Arg *);