dmenu

commit 94b4dcc9cc8c469f775f7d46dec30af74df9df0c
parent 21ca9a9b3813aba42c48d94bf59397bb327111fc
Author: Markus Hanetzok <markus@hanetzok.net>
Date:   Tue, 18 Nov 2025 23:23:19 +0100

apply password patch

Diffstat:
M
dmenu.1
 | 
5
++++-
M
dmenu.c
 | 
22
++++++++++++++++++----

2 files changed, 22 insertions(+), 5 deletions(-)
diff --git a/dmenu.1 b/dmenu.1
@@ -3,7 +3,7 @@
 dmenu \- dynamic menu
 .SH SYNOPSIS
 .B dmenu
-.RB [ \-bFfiv ]
+.RB [ \-bFfivP ]
 .RB [ \-l
 .IR lines ]
 .RB [ \-m
@@ -52,6 +52,9 @@ is faster, but will lock up X until stdin reaches end\-of\-file.
 .B \-i
 dmenu matches menu items case insensitively.
 .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 vertically, with the given number of lines.
 .TP
diff --git a/dmenu.c b/dmenu.c
@@ -40,7 +40,7 @@ struct item {
 static char text[BUFSIZ] = "";
 static char *embed;
 static int bh, mw, mh;
-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;
@@ -165,6 +165,7 @@ 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);
@@ -176,7 +177,12 @@ 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) {
@@ -652,6 +658,11 @@ readstdin(void)
 	char *line = NULL;
 	size_t i, itemsiz = 0, linesiz = 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, &linesiz, stdin)) != -1; i++) {
@@ -838,7 +849,7 @@ setup(void)
 static void
 usage(void)
 {
-	die("usage: dmenu [-bFfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+	die("usage: dmenu [-bFfivP] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
 	    "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]");
 }
 
@@ -899,7 +910,9 @@ main(int argc, char *argv[])
 		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
 			fstrncmp = strncasecmp;
 			fstrstr = cistrstr;
-		} else if (i + 1 == argc)
+		} else if (!strcmp(argv[i], "-P"))   /* is the input a password */
+			passwd = 1;
+		else if (i + 1 == argc)
 			usage();
 		/* these options take one argument */
 		else if (!strcmp(argv[i], "-l"))   /* number of lines in vertical list */
@@ -973,3 +986,4 @@ main(int argc, char *argv[])
 
 	return 1; /* unreachable */
 }
+