diff -r c2e77ee26371 dmenu.1
--- a/dmenu.1	Fri Jan 07 18:55:00 2011 +0000
+++ b/dmenu.1	Fri Mar 11 20:10:39 2011 +0100
@@ -54,7 +54,9 @@
 dmenu lists items vertically, with the given number of lines.
 .TP
 .BI \-m " monitor"
-dmenu appears on the given Xinerama screen.
+dmenu appears on the given Xinerama screen. Alternatively you can give "mouse" to
+get the screen by the current mouse-position, or "focus" to get it by the currently
+focused window.
 .TP
 .BI \-p " prompt"
 defines the prompt to be displayed to the left of the input field.
diff -r c2e77ee26371 dmenu.c
--- a/dmenu.c	Fri Jan 07 18:55:00 2011 +0000
+++ b/dmenu.c	Fri Mar 11 20:10:39 2011 +0100
@@ -43,6 +43,10 @@
 static int inputw = 0;
 static int lines = 0;
 static int monitor = -1;
+#define POSITION_BY_NUMBER 1
+#define POSITION_BY_MOUSE  2
+#define POSITION_BY_FOCUS  3
+static int position_by = POSITION_BY_FOCUS;
 static int promptw;
 static size_t cursor = 0;
 static const char *font = NULL;
@@ -84,7 +88,14 @@
 		else if(!strcmp(argv[i], "-l"))
 			lines = atoi(argv[++i]);
 		else if(!strcmp(argv[i], "-m"))
-			monitor = atoi(argv[++i]);
+            if(!strcmp(argv[++i], "focus"))
+                position_by = POSITION_BY_FOCUS;
+            else if(!strcmp(argv[i], "mouse"))
+                position_by = POSITION_BY_MOUSE;
+            else {
+                position_by = POSITION_BY_NUMBER;
+    			monitor = atoi(argv[i]);
+            }
 		else if(!strcmp(argv[i], "-p"))
 			prompt = argv[++i];
 		else if(!strcmp(argv[i], "-fn"))
@@ -496,10 +507,27 @@
 #ifdef XINERAMA
 	if((info = XineramaQueryScreens(dc->dpy, &n))) {
 		int i, di;
-		unsigned int du;
+        unsigned int du;
 		Window dw;
+        XWindowAttributes fwa;
+        Window chi;
+        int revert;
 
-		XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du);
+        switch (position_by) {
+            case POSITION_BY_NUMBER:
+                break;
+            case POSITION_BY_MOUSE:
+                XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du);
+                break;
+            case POSITION_BY_FOCUS:
+                XGetInputFocus(dc->dpy, &dw, &revert);
+                XGetWindowAttributes(dc->dpy, dw, &fwa);
+                XTranslateCoordinates(dc->dpy, dw, fwa.root, fwa.x, fwa.y, &x, &y, &chi);
+                x = x + fwa.width / 2;
+                y = y + fwa.height / 2;
+                break;
+        }
+
 		for(i = 0; i < n; i++)
 			if((monitor == info[i].screen_number)
 			|| (monitor < 0 && INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height)))