diff --git a/.gitignore b/.gitignore
index 10717b6..f3cb1d9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+.ccls-cache
+*.orig
+*.rej
 *.o
 dmenu
 stest
diff --git a/config.h b/config.h
index 30fd1ce..03ee2c2 100644
--- a/config.h
+++ b/config.h
@@ -2,7 +2,7 @@
 /* Default settings; can be overriden by command line. */
 
 /* -b option; if 0, dmenu appears at bottom */
-static int topbar = 0;
+static int topbar = 1;
 
 /* -fn option overrides fonts[0]; default X11 font or font set */
 static const char *fonts[] = {
@@ -12,8 +12,8 @@ static const char *fonts[] = {
 /* -p option; prompt to the left of input field */
 static const char *prompt = NULL;
 
-/* colours */
-#include "colours.h"
+/* theme */
+#include "themes/onedark.h"
 
 /* -l option; if nonzero, dmenu uses vertical list with given number of lines */
 static unsigned int lines = 0;
diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..0db1d3f
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,4 @@
+{ pkgs ? import <nixpkgs> {} }:
+  pkgs.mkShell {
+    nativeBuildInputs = [ pkgs.gnumake pkgs.pkg-config pkgs.xorg.libX11 pkgs.xorg.libXft pkgs.xorg.libXinerama ];
+}
diff --git a/dmenu.1 b/dmenu.1
index 323f93c..a4ecbbb 100644
--- a/dmenu.1
+++ b/dmenu.1
@@ -8,6 +8,12 @@ dmenu \- dynamic menu
 .IR lines ]
 .RB [ \-m
 .IR monitor ]
+.RB [ \-x
+.IR xoffset ]
+.RB [ \-y
+.IR yoffset ]
+.RB [ \-z
+.IR width ]
 .RB [ \-p
 .IR prompt ]
 .RB [ \-fn
@@ -54,6 +60,24 @@ dmenu lists items vertically, with the given number of lines.
 dmenu is displayed on the monitor number supplied. Monitor numbers are starting
 from 0.
 .TP
+.BI \-x " xoffset"
+dmenu is placed at this offset measured from the left side of the monitor.
+Can be negative.
+If option
+.B \-m
+is present, the measurement will use the given monitor.
+.TP
+.BI \-y " yoffset"
+dmenu is placed at this offset measured from the top of the monitor.  If the
+.B \-b
+option is used, the offset is measured from the bottom.  Can be negative.
+If option
+.B \-m
+is present, the measurement will use the given monitor.
+.TP
+.BI \-z " width"
+sets the width of the dmenu window.
+.TP
 .BI \-p " prompt"
 defines the prompt to be displayed to the left of the input field.
 .TP
diff --git a/dmenu.c b/dmenu.c
index bd77994..a94446d 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -40,6 +40,9 @@ static char numbers[NUMBERSBUFSIZE] = "";
 static char text[BUFSIZ] = "";
 static char *embed;
 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 lrpad; /* sum of left and right padding */
 static size_t cursor;
@@ -792,9 +795,9 @@ setup(void)
 				if (INTERSECT(x, y, 1, 1, info[i]))
 					break;
 
-		x = info[i].x_org;
-		y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
-		mw = info[i].width;
+		x = info[i].x_org + dmx;
+		y = info[i].y_org + (topbar ? dmy : info[i].height - mh - dmy);
+		mw = (dmw>0 ? dmw : info[i].width);
 		XFree(info);
 	} else
 #endif
@@ -802,9 +805,9 @@ setup(void)
 		if (!XGetWindowAttributes(dpy, parentwin, &wa))
 			die("could not get embedding window attributes: 0x%lx",
 			    parentwin);
-		x = 0;
-		y = topbar ? 0 : wa.height - mh;
-		mw = wa.width;
+		x = dmx;
+		y = topbar ? dmy : wa.height - mh - dmy;
+		mw = (dmw>0 ? dmw : wa.width);
 	}
 	promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
 	inputw = MIN(inputw, mw/3);
@@ -846,6 +849,7 @@ static void
 usage(void)
 {
 	fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+	      "             [-x xoffset] [-y yoffset] [-z width]\n"
 	      "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
 	exit(1);
 }
@@ -873,6 +877,12 @@ main(int argc, char *argv[])
 		/* these options take one argument */
 		else if (!strcmp(argv[i], "-l"))   /* number of lines in vertical list */
 			lines = atoi(argv[++i]);
+		else if (!strcmp(argv[i], "-x"))   /* window x offset */
+			dmx = atoi(argv[++i]);
+		else if (!strcmp(argv[i], "-y"))   /* window y offset (from bottom up if -b) */
+			dmy = atoi(argv[++i]);
+		else if (!strcmp(argv[i], "-z"))   /* make dmenu this wide */
+			dmw = atoi(argv[++i]);
 		else if (!strcmp(argv[i], "-m"))
 			mon = atoi(argv[++i]);
 		else if (!strcmp(argv[i], "-p"))   /* adds prompt to left of input field */
diff --git a/dmenu_run b/dmenu_run
index 834ede5..6fc0b02 100644
--- a/dmenu_run
+++ b/dmenu_run
@@ -1,2 +1,2 @@
 #!/bin/sh
-dmenu_path | dmenu "$@" | ${SHELL:-"/bin/sh"} &
+/usr/local/bin/dmenu_path | /usr/local/bin/dmenu "$@" | ${SHELL:-"/bin/sh"} &
diff --git a/patches/dmenu-xyw-5.0.diff b/patches/dmenu-xyw-5.0.diff
new file mode 100644
index 0000000..ddf9cfb
--- /dev/null
+++ b/patches/dmenu-xyw-5.0.diff
@@ -0,0 +1,116 @@
+From 7dc7cb96cdda9ad66e33109223c4cc297a7721d1 Mon Sep 17 00:00:00 2001
+From: Alex Cole <ajzcole@airmail.cc>
+Date: Tue, 6 Oct 2020 10:42:07 +1300
+Subject: [PATCH] Updated xyw for 5.0 properly
+
+---
+ dmenu.1 | 24 ++++++++++++++++++++++++
+ dmenu.c | 22 ++++++++++++++++------
+ 2 files changed, 40 insertions(+), 6 deletions(-)
+
+diff --git a/dmenu.1 b/dmenu.1
+index 323f93c..a4ecbbb 100644
+--- a/dmenu.1
++++ b/dmenu.1
+@@ -8,6 +8,12 @@ dmenu \- dynamic menu
+ .IR lines ]
+ .RB [ \-m
+ .IR monitor ]
++.RB [ \-x
++.IR xoffset ]
++.RB [ \-y
++.IR yoffset ]
++.RB [ \-z
++.IR width ]
+ .RB [ \-p
+ .IR prompt ]
+ .RB [ \-fn
+@@ -54,6 +60,24 @@ dmenu lists items vertically, with the given number of lines.
+ dmenu is displayed on the monitor number supplied. Monitor numbers are starting
+ from 0.
+ .TP
++.BI \-x " xoffset"
++dmenu is placed at this offset measured from the left side of the monitor.
++Can be negative.
++If option
++.B \-m
++is present, the measurement will use the given monitor.
++.TP
++.BI \-y " yoffset"
++dmenu is placed at this offset measured from the top of the monitor.  If the
++.B \-b
++option is used, the offset is measured from the bottom.  Can be negative.
++If option
++.B \-m
++is present, the measurement will use the given monitor.
++.TP
++.BI \-z " width"
++sets the width of the dmenu window.
++.TP
+ .BI \-p " prompt"
+ defines the prompt to be displayed to the left of the input field.
+ .TP
+diff --git a/dmenu.c b/dmenu.c
+index 65f25ce..7be19ae 100644
+--- a/dmenu.c
++++ b/dmenu.c
+@@ -37,6 +37,9 @@ struct item {
+ static char text[BUFSIZ] = "";
+ static char *embed;
+ 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 lrpad; /* sum of left and right padding */
+ static size_t cursor;
+@@ -637,9 +640,9 @@ setup(void)
+ 				if (INTERSECT(x, y, 1, 1, info[i]))
+ 					break;
+ 
+-		x = info[i].x_org;
+-		y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
+-		mw = info[i].width;
++		x = info[i].x_org + dmx;
++		y = info[i].y_org + (topbar ? dmy : info[i].height - mh - dmy);
++		mw = (dmw>0 ? dmw : info[i].width);
+ 		XFree(info);
+ 	} else
+ #endif
+@@ -647,9 +650,9 @@ setup(void)
+ 		if (!XGetWindowAttributes(dpy, parentwin, &wa))
+ 			die("could not get embedding window attributes: 0x%lx",
+ 			    parentwin);
+-		x = 0;
+-		y = topbar ? 0 : wa.height - mh;
+-		mw = wa.width;
++		x = dmx;
++		y = topbar ? dmy : wa.height - mh - dmy;
++		mw = (dmw>0 ? dmw : wa.width);
+ 	}
+ 	promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
+ 	inputw = MIN(inputw, mw/3);
+@@ -690,6 +693,7 @@ static void
+ usage(void)
+ {
+ 	fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
++	      "             [-x xoffset] [-y yoffset] [-z width]\n"
+ 	      "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
+ 	exit(1);
+ }
+@@ -717,6 +721,12 @@ main(int argc, char *argv[])
+ 		/* these options take one argument */
+ 		else if (!strcmp(argv[i], "-l"))   /* number of lines in vertical list */
+ 			lines = atoi(argv[++i]);
++		else if (!strcmp(argv[i], "-x"))   /* window x offset */
++			dmx = atoi(argv[++i]);
++		else if (!strcmp(argv[i], "-y"))   /* window y offset (from bottom up if -b) */
++			dmy = atoi(argv[++i]);
++		else if (!strcmp(argv[i], "-z"))   /* make dmenu this wide */
++			dmw = atoi(argv[++i]);
+ 		else if (!strcmp(argv[i], "-m"))
+ 			mon = atoi(argv[++i]);
+ 		else if (!strcmp(argv[i], "-p"))   /* adds prompt to left of input field */
+-- 
+2.28.0
+
diff --git a/colours.h b/themes/onedark.h
similarity index 100%
rename from colours.h
rename to themes/onedark.h