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commit cb601f6c4e1cb556ae50877722600401bcce9fa6
parent 3fc4a7de29541f8b45adbeeb9bfa2bb402359463
Author: Michael Buch <michaelbuch12@gmail.com>
Date:   Fri, 27 Apr 2018 01:05:30 +0100

[st][patch] Highlight selected URLs. This change adds a tsetcolor function that is then used to invert the FG and BG when copying a URL with mod+l.

Diffstat:
M
st.suckless.org/patches/copyurl/index.md
 | 
6
+++++-
A
st.suckless.org/patches/copyurl/st-copyurl-20180427-70b7059.diff
 | 
139
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 144 insertions(+), 1 deletion(-)
diff --git a/st.suckless.org/patches/copyurl/index.md b/st.suckless.org/patches/copyurl/index.md
@@ -22,6 +22,10 @@ Download
  * [st-copyurl-20170802-e2ee5ee.diff](st-copyurl-20170802-e2ee5ee.diff)
  * [st-copyurl-20180418-7e810b5.diff](st-copyurl-20180418-7e810b5.diff)
 
+Following is the first patch that highlights selected urls:
+
+ * [st-copyurl-20180427-70b7059.diff](st-copyurl-20180427-70b7059.diff)
+
 Authors
 -------
 
@@ -29,4 +33,4 @@ Authors
  * Laslo Hunhold - <dev@frign.de> (0.6 port)
  * David Phillips - <david@sighup.nz> (git port)
  * Matthew Parnell - <matt@parnmatt.co.uk> (0.7, git ports)
- * Michael Buch - <michaelbuch12@gmail.com> (0.8+ git port)
+ * Michael Buch - <michaelbuch12@gmail.com> (0.8+ git port, url highlighting)
diff --git a/st.suckless.org/patches/copyurl/st-copyurl-20180427-70b7059.diff b/st.suckless.org/patches/copyurl/st-copyurl-20180427-70b7059.diff
@@ -0,0 +1,139 @@
+From 70b70594bd1e86a5efe83dad66516464ceca8a04 Mon Sep 17 00:00:00 2001
+From: Michael Buch <michaelbuch12@gmail.com>
+Date: Fri, 27 Apr 2018 00:48:03 +0100
+Subject: [PATCH] [st][patch] copyurl patch to highlight selected urls. Simply
+ invert terminal default colors when a url is copied to the clipboard.
+
+---
+ config.def.h |  1 +
+ st.c         | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++
+ st.h         |  1 +
+ 3 files changed, 80 insertions(+)
+
+diff --git a/config.def.h b/config.def.h
+index 82b1b09..cbe923e 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -178,6 +178,7 @@ static Shortcut shortcuts[] = {
+ 	{ TERMMOD,              XK_Y,           selpaste,       {.i =  0} },
+ 	{ TERMMOD,              XK_Num_Lock,    numlock,        {.i =  0} },
+ 	{ TERMMOD,              XK_I,           iso14755,       {.i =  0} },
++	{ MODKEY,               XK_l,           copyurl,        {.i =  0} },
+ };
+ 
+ /*
+diff --git a/st.c b/st.c
+index 0628707..f1ac7b6 100644
+--- a/st.c
++++ b/st.c
+@@ -204,6 +204,7 @@ static void tdefutf8(char);
+ static int32_t tdefcolor(int *, int *, int);
+ static void tdeftran(char);
+ static void tstrsequence(uchar);
++static void tsetcolor(int, int, int, uint32_t, uint32_t);
+ 
+ static void drawregion(int, int, int, int);
+ 
+@@ -1600,6 +1601,17 @@ tsetmode(int priv, int set, int *args, int narg)
+ 	}
+ }
+ 
++void
++tsetcolor( int row, int start, int end, uint32_t fg, uint32_t bg )
++{
++	int i = start;
++	for( ; i < end; ++i )
++	{
++		term.line[row][i].fg = fg;
++		term.line[row][i].bg = bg;
++	}
++}
++
+ void
+ csihandle(void)
+ {
+@@ -2617,3 +2629,69 @@ redraw(void)
+ 	tfulldirt();
+ 	draw();
+ }
++
++/* select and copy the previous url on screen (do nothing if there's no url).
++ * known bug: doesn't handle urls that span multiple lines (wontfix)
++ * known bug: only finds first url on line (mightfix)
++ */
++void
++copyurl(const Arg *arg) {
++	/* () and [] can appear in urls, but excluding them here will reduce false
++	 * positives when figuring out where a given url ends.
++	 */
++	static char URLCHARS[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
++		"abcdefghijklmnopqrstuvwxyz"
++		"0123456789-._~:/?#@!$&'*+,;=%";
++
++	tsetcolor( sel.nb.y, sel.ob.x, sel.oe.x - sel.ob.x + 1, defaultfg, defaultbg );
++
++	int i, row, startrow;
++	char *linestr = calloc(sizeof(char), term.col+1); /* assume ascii */
++	char *c, *match = NULL;
++
++	row = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.y-1 : term.bot;
++	LIMIT(row, term.top, term.bot);
++	startrow = row;
++
++	/* find the start of the last url before selection */
++	do {
++		for (i = 0; i < term.col; ++i) {
++			if (term.line[row][i].u > 127) /* assume ascii */
++				continue;
++			linestr[i] = term.line[row][i].u;
++		}
++		linestr[term.col] = '\0';
++		if ((match = strstr(linestr, "http://"))
++				|| (match = strstr(linestr, "https://")))
++			break;
++		if (--row < term.top)
++			row = term.bot;
++	} while (row != startrow);
++
++	if (match) {
++		/* must happen before trim */
++		selclear();
++		sel.ob.x = strlen(linestr) - strlen(match);
++
++		/* trim the rest of the line from the url match */
++		for (c = match; *c != '\0'; ++c)
++			if (!strchr(URLCHARS, *c)) {
++				*c = '\0';
++				break;
++			}
++
++		tsetcolor( row, sel.ob.x, strlen( match ), defaultbg, defaultfg );
++
++		/* select and copy */
++		sel.mode = 1;
++		sel.type = SEL_REGULAR;
++		sel.oe.x = sel.ob.x + strlen(match)-1;
++		sel.ob.y = sel.oe.y = row;
++		selnormalize();
++		tsetdirt(sel.nb.y, sel.ne.y);
++		xsetsel(getsel());
++		xclipcopy();
++	}
++
++	free(linestr);
++}
+diff --git a/st.h b/st.h
+index dac64d8..5a58f8f 100644
+--- a/st.h
++++ b/st.h
+@@ -85,6 +85,7 @@ void printscreen(const Arg *);
+ void printsel(const Arg *);
+ void sendbreak(const Arg *);
+ void toggleprinter(const Arg *);
++void copyurl(const Arg *);
+ 
+ int tattrset(int);
+ void tnew(int, int);
+-- 
+2.17.0
+