From 7e7809ed5442d04707ba3dc771ba03ebef3528b5 Mon Sep 17 00:00:00 2001
From: Mateja <mail@matejamaric.com>
Date: Sat, 10 Apr 2021 22:48:43 +0200
Subject: Add `st-urlhandler`.

From: https://github.com/LukeSmithxyz/st
---
 Makefile      |  3 +++
 README.md     |  2 +-
 config.def.h  |  5 +++++
 st-urlhandler | 19 +++++++++++++++++++
 4 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100755 st-urlhandler

diff --git a/Makefile b/Makefile
index be32361..7075407 100644
--- a/Makefile
+++ b/Makefile
@@ -45,6 +45,8 @@ install: st
 	mkdir -p $(DESTDIR)$(PREFIX)/bin
 	cp -f st $(DESTDIR)$(PREFIX)/bin
 	chmod 755 $(DESTDIR)$(PREFIX)/bin/st
+	cp -f st-urlhandler $(DESTDIR)$(PREFIX)/bin
+	chmod 755 $(DESTDIR)$(PREFIX)/bin
 	mkdir -p $(DESTDIR)$(MANPREFIX)/man1
 	sed "s/VERSION/$(VERSION)/g" < st.1 > $(DESTDIR)$(MANPREFIX)/man1/st.1
 	chmod 644 $(DESTDIR)$(MANPREFIX)/man1/st.1
@@ -55,6 +57,7 @@ install: st
 
 uninstall:
 	rm -f $(DESTDIR)$(PREFIX)/bin/st
+	rm -f $(DESTDIR)$(PREFIX)/bin/st-urlhandler
 	rm -f $(DESTDIR)$(MANPREFIX)/man1/st.1
 	rm -f $(DESTDIR)$(PREFIX)/share/applications/st.desktop
 
diff --git a/README.md b/README.md
index 9510ef5..3e80b22 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ This is my fork of [st][stterm] terminal with following patches applied:
 - desktopentry
 - scrollback (with mouse)
 - clipboard
-- externalpipe
+- externalpipe (for URLs)
 
 ## Dependencies:
 
diff --git a/config.def.h b/config.def.h
index 3eaba27..5010e7f 100644
--- a/config.def.h
+++ b/config.def.h
@@ -202,6 +202,9 @@ static MouseShortcut mshortcuts[] = {
 #define MODKEY Mod1Mask
 #define TERMMOD (ControlMask|ShiftMask)
 
+static char *openurlcmd[] = { "/bin/sh", "-c", "st-urlhandler -o", "externalpipe", NULL };
+static char *copyurlcmd[] = { "/bin/sh", "-c", "st-urlhandler -c", "externalpipe", NULL };
+
 static Shortcut shortcuts[] = {
 	/* mask                 keysym          function        argument */
 	{ XK_ANY_MOD,           XK_Break,       sendbreak,      {.i =  0} },
@@ -219,6 +222,8 @@ static Shortcut shortcuts[] = {
 	{ TERMMOD,              XK_Return,      newterm,        {.i =  0} },
 	{ ShiftMask,            XK_Page_Up,     kscrollup,      {.i = -1} },
 	{ ShiftMask,            XK_Page_Down,   kscrolldown,    {.i = -1} },
+	{ MODKEY,               XK_l,           externalpipe,   {.v = openurlcmd } },
+	{ MODKEY,               XK_y,           externalpipe,   {.v = copyurlcmd } },
 };
 
 /*
diff --git a/st-urlhandler b/st-urlhandler
new file mode 100755
index 0000000..e2a62f4
--- /dev/null
+++ b/st-urlhandler
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+urlregex="(((http|https|gopher|gemini|ftp|ftps|git)://|www\\.)[a-zA-Z0-9.]*[:]?[a-zA-Z0-9./@$&%?$\#=_~-]*)|((magnet:\\?xt=urn:btih:)[a-zA-Z0-9]*)"
+
+urls="$(sed 's/.*│//g' | tr -d '\n' | # First remove linebreaks and mutt sidebars:
+	grep -aEo "$urlregex" | # grep only urls as defined above.
+	uniq | # Ignore neighboring duplicates.
+	sed "s/\(\.\|,\|;\|\!\\|\?\)$//;
+	s/^www./http:\/\/www\./")" # xdg-open will not detect url without http
+
+[ -z "$urls" ] && exit 1
+
+while getopts "hoc" o; do case "${o}" in
+	h) printf "Optional arguments for custom use:\\n  -c: copy\\n  -o: xdg-open\\n  -h: Show this message\\n" && exit 1 ;;
+	o) chosen="$(echo "$urls" | dmenu -i -p 'Follow which url?' -l 10)"
+	setsid xdg-open "$chosen" >/dev/null 2>&1 & ;;
+	c) echo "$urls" | dmenu -i -p 'Copy which url?' -l 10 | tr -d '\n' | xclip -selection clipboard ;;
+	*) printf "Invalid option: -%s\\n" "$OPTARG" && exit 1 ;;
+esac done
-- 
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