diff --git a/dmenu b/dmenu
index 6eb0371..f3b2683 100755
Binary files a/dmenu and b/dmenu differ
diff --git a/dmenu.c b/dmenu.c
index a2d826e..5f64a42 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -62,8 +62,9 @@ static Clr *scheme[SchemeLast];
 
 #include "config.h"
 
-static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
-static char *(*fstrstr)(const char *, const char *) = strstr;
+static char * cistrstr(const char *s, const char *sub);
+static int (*fstrncmp)(const char *, const char *, size_t) = strncasecmp;
+static char *(*fstrstr)(const char *, const char *) = cistrstr;
 
 static void
 appenditem(struct item *item, struct item **list, struct item **last)
@@ -992,10 +993,14 @@ main(int argc, char *argv[])
 			fast = 1;
 		else if (!strcmp(argv[i], "-F"))   /* grabs keyboard before reading stdin */
 			fuzzy = 0;
-		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
-			fstrncmp = strncasecmp;
-			fstrstr = cistrstr;
-		} else if (!strcmp(argv[i], "-P"))   /* is the input a password */
+		
+			else if (!strcmp(argv[i], "-s")) { /* case-sensitive item matching */
+			fstrncmp = strncmp;
+			fstrstr = strstr;
+ 		} else if (i + 1 == argc)
+ 			usage();
+ 		/* these options take one argument */
+		else if (!strcmp(argv[i], "-P"))   /* is the input a password */
 		        passwd = 1;
 		else if (i + 1 == argc)
 			usage();
diff --git a/dmenu.c.orig b/dmenu.c.orig
index a5c3971..a2d826e 100644
--- a/dmenu.c.orig
+++ b/dmenu.c.orig
@@ -658,6 +658,119 @@ draw:
 	drawmenu();
 }
 
+static void
+buttonpress(XEvent *e)
+{
+	struct item *item;
+	XButtonPressedEvent *ev = &e->xbutton;
+	int x = 0, y = 0, h = bh, w;
+
+	if (ev->window != win)
+		return;
+
+	/* right-click: exit */
+	if (ev->button == Button3)
+		exit(1);
+
+	if (prompt && *prompt)
+		x += promptw;
+
+	/* input field */
+	w = (lines > 0 || !matches) ? mw - x : inputw;
+
+	/* left-click on input: clear input,
+	 * NOTE: if there is no left-arrow the space for < is reserved so
+	 *       add that to the input width */
+	if (ev->button == Button1 &&
+	   ((lines <= 0 && ev->x >= 0 && ev->x <= x + w +
+	   ((!prev || !curr->left) ? TEXTW("<") : 0)) ||
+	   (lines > 0 && ev->y >= y && ev->y <= y + h))) {
+		insert(NULL, -cursor);
+		drawmenu();
+		return;
+	}
+	/* middle-mouse click: paste selection */
+	if (ev->button == Button2) {
+		XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
+		                  utf8, utf8, win, CurrentTime);
+		drawmenu();
+		return;
+	}
+	/* scroll up */
+	if (ev->button == Button4 && prev) {
+		sel = curr = prev;
+		calcoffsets();
+		drawmenu();
+		return;
+	}
+	/* scroll down */
+	if (ev->button == Button5 && next) {
+		sel = curr = next;
+		calcoffsets();
+		drawmenu();
+		return;
+	}
+	if (ev->button != Button1)
+		return;
+	if (ev->state & ~ControlMask)
+		return;
+	if (lines > 0) {
+		/* vertical list: (ctrl)left-click on item */
+		w = mw - x;
+		for (item = curr; item != next; item = item->right) {
+			y += h;
+			if (ev->y >= y && ev->y <= (y + h)) {
+				puts(item->text);
+				if (!(ev->state & ControlMask))
+					exit(0);
+				sel = item;
+				if (sel) {
+					sel->out = 1;
+					drawmenu();
+				}
+				return;
+			}
+		}
+	} else if (matches) {
+		/* left-click on left arrow */
+		x += inputw;
+		w = TEXTW("<");
+		if (prev && curr->left) {
+			if (ev->x >= x && ev->x <= x + w) {
+				sel = curr = prev;
+				calcoffsets();
+				drawmenu();
+				return;
+			}
+		}
+		/* horizontal list: (ctrl)left-click on item */
+		for (item = curr; item != next; item = item->right) {
+			x += w;
+			w = MIN(TEXTW(item->text), mw - x - TEXTW(">"));
+			if (ev->x >= x && ev->x <= x + w) {
+				puts(item->text);
+				if (!(ev->state & ControlMask))
+					exit(0);
+				sel = item;
+				if (sel) {
+					sel->out = 1;
+					drawmenu();
+				}
+				return;
+			}
+		}
+		/* left-click on right arrow */
+		w = TEXTW(">");
+		x = mw - w;
+		if (next && ev->x >= x && ev->x <= x + w) {
+			sel = curr = next;
+			calcoffsets();
+			drawmenu();
+			return;
+		}
+	}
+}
+
 static void
 paste(void)
 {
@@ -724,6 +837,9 @@ run(void)
 				break;
 			cleanup();
 			exit(1);
+		case ButtonPress:
+			buttonpress(&ev);
+			break;
 		case Expose:
 			if (ev.xexpose.count == 0)
 				drw_map(drw, win, 0, 0, mw, mh);
@@ -821,7 +937,8 @@ setup(void)
 	/* create menu window */
 	swa.override_redirect = True;
 	swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
-	swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
+	swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask |
+	                 ButtonPressMask;
 	win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
 	                    CopyFromParent, CopyFromParent, CopyFromParent,
 	                    CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
diff --git a/dmenu.c.rej b/dmenu.c.rej
index d166ab7..5739e7e 100644
--- a/dmenu.c.rej
+++ b/dmenu.c.rej
@@ -1,11 +1,15 @@
---- dmenu.c	2019-09-25 12:48:38.848249931 -0600
-+++ dmenu.c	2019-09-25 12:48:55.756173240 -0600
-@@ -693,7 +704,7 @@ setup(void)
- static void
- usage(void)
- {
--	fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
-+	fputs("usage: dmenu [-bfiPv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
- 	      "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
- 	exit(1);
- }
+--- dmenu.c
++++ dmenu.c
+@@ -710,9 +711,9 @@ main(int argc, char *argv[])
+ 			topbar = 0;
+ 		else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
+ 			fast = 1;
+-		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
+-			fstrncmp = strncasecmp;
+-			fstrstr = cistrstr;
++		else if (!strcmp(argv[i], "-s")) { /* case-sensitive item matching */
++			fstrncmp = strncmp;
++			fstrstr = strstr;
+ 		} else if (i + 1 == argc)
+ 			usage();
+ 		/* these options take one argument */
diff --git a/dmenu.o b/dmenu.o
index 5e2af3e..ea128fc 100644
Binary files a/dmenu.o and b/dmenu.o differ
diff --git a/patches/dmenu-caseinsensitive-20200523-db6093f.diff b/patches/dmenu-caseinsensitive-20200523-db6093f.diff
new file mode 100644
index 0000000..939a2e8
--- /dev/null
+++ b/patches/dmenu-caseinsensitive-20200523-db6093f.diff
@@ -0,0 +1,42 @@
+From 54acbdf72083a5eae5783eed42e162424ab2cec2 Mon Sep 17 00:00:00 2001
+From: Kim Torgersen <kim@torgersen.se>
+Date: Sat, 23 May 2020 14:48:28 +0200
+Subject: [PATCH] case-insensitive item matching default, case-sensitive option
+ (-s)
+
+---
+ dmenu.c | 11 ++++++-----
+ 1 file changed, 6 insertions(+), 5 deletions(-)
+
+diff --git a/dmenu.c b/dmenu.c
+index 65f25ce..855df59 100644
+--- a/dmenu.c
++++ b/dmenu.c
+@@ -55,8 +55,9 @@ static Clr *scheme[SchemeLast];
+ 
+ #include "config.h"
+ 
+-static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
+-static char *(*fstrstr)(const char *, const char *) = strstr;
++static char * cistrstr(const char *s, const char *sub);
++static int (*fstrncmp)(const char *, const char *, size_t) = strncasecmp;
++static char *(*fstrstr)(const char *, const char *) = cistrstr;
+ 
+ static void
+ appenditem(struct item *item, struct item **list, struct item **last)
+@@ -709,9 +710,9 @@ main(int argc, char *argv[])
+ 			topbar = 0;
+ 		else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
+ 			fast = 1;
+-		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
+-			fstrncmp = strncasecmp;
+-			fstrstr = cistrstr;
++		else if (!strcmp(argv[i], "-s")) { /* case-sensitive item matching */
++			fstrncmp = strncmp;
++			fstrstr = strstr;
+ 		} else if (i + 1 == argc)
+ 			usage();
+ 		/* these options take one argument */
+-- 
+2.26.2
+