From f285349a2f587b89661844e236b899b93f850b05 Mon Sep 17 00:00:00 2001
From: Sebastian LaVine <mail@smlavine.com>
Date: Thu, 19 Jan 2023 01:01:21 -0500
Subject: [PATCH] Apply dmenu-password-5.0.diff

https://tools.suckless.org/dmenu/patches/password/
---
 dmenu.1 |  5 ++++-
 dmenu.c | 19 ++++++++++++++++---
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/dmenu.1 b/dmenu.1
index 525e41d..b474a75 100644
--- a/dmenu.1
+++ b/dmenu.1
@@ -3,7 +3,7 @@
 dmenu \- dynamic menu
 .SH SYNOPSIS
 .B dmenu
-.RB [ \-bfinv ]
+.RB [ \-bfinvP ]
 .RB [ \-bw
 .IR width ]
 .RB [ \-g
@@ -69,6 +69,9 @@ dmenu instantly selects if only one match.
 .BI \-g " columns"
 dmenu lists items in a grid with the given number of columns.
 .TP
+.B \-P
+dmenu will not directly display the keyboard input, but instead replace it with dots. All data from stdin will be ignored.
+.TP
 .BI \-l " lines"
 dmenu lists items in a grid with the given number of lines.
 .TP
diff --git a/dmenu.c b/dmenu.c
index 114e9ac..e6b23e3 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -43,7 +43,7 @@ static int bh, mw, mh;
 static int dmx = 0; /* put dmenu at this x offset */
 static int dmy = 0; /* put dmenu at this y offset (measured from the bottom if topbar is 0) */
 static unsigned int dmw = 0; /* make dmenu this wide */
-static int inputw = 0, promptw;
+static int inputw = 0, promptw, passwd = 0;
 static int lrpad; /* sum of left and right padding */
 static size_t cursor;
 static struct item *items = NULL;
@@ -218,6 +218,7 @@ drawmenu(void)
 	unsigned int curpos;
 	struct item *item;
 	int x = 0, y = 0, w;
+	char *censort;
 
 	drw_setscheme(drw, scheme[SchemeNorm]);
 	drw_rect(drw, 0, 0, mw, mh, 1, 1);
@@ -229,7 +230,12 @@ drawmenu(void)
 	/* draw input field */
 	w = (lines > 0 || !matches) ? mw - x : inputw;
 	drw_setscheme(drw, scheme[SchemeNorm]);
-	drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
+	if (passwd) {
+	        censort = ecalloc(1, sizeof(text));
+		memset(censort, '.', strlen(text));
+		drw_text(drw, x, 0, w, bh, lrpad / 2, censort, 0);
+		free(censort);
+	} else drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
 
 	curpos = TEXTW(text) - TEXTW(&text[cursor]);
 	if ((curpos += lrpad / 2 - 1) < w) {
@@ -791,6 +797,11 @@ readstdin(void)
 	size_t i, junk, itemsiz = 0;
 	ssize_t len;
 
+	if (passwd) {
+		inputw = lines = 0;
+		return;
+	}
+
 	/* read each line from stdin and add it to the item list */
 	for (i = 0; (len = getline(&line, &junk, stdin)) != -1; i++) {
 		if (i + 1 >= itemsiz) {
@@ -976,7 +987,7 @@ setup(void)
 static void
 usage(void)
 {
-	die("usage: dmenu [-bfinv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+	die("usage: dmenu [-bfinvP] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
 	    "             [-bw width] [-x xoffset] [-y yoffset] [-z width]\n"
 	    "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]");
 }
@@ -1003,6 +1014,8 @@ main(int argc, char *argv[])
 			fstrstr = cistrstr;
 		} else if (!strcmp(argv[i], "-n")) /* instant select only match */
 			instant = 1;
+		else if (!strcmp(argv[i], "-P"))   /* is the input a password */
+			passwd = 1;
 		else if (i + 1 == argc)
 			usage();
 		/* these options take one argument */
-- 
2.45.2