diff --git a/config.h b/config.h
index 21a54b3..e4ded07 100644
--- a/config.h
+++ b/config.h
@@ -48,14 +48,16 @@
 binding keys[] = {
 
 	// Focus the top-most window in a spot.
-	{ .mod = Mod4Mask, .key = XK_1, .act = ACTION_FOCUS, .num = SPOT1 },
-	{ .mod = Mod4Mask, .key = XK_2, .act = ACTION_FOCUS, .num = SPOT2 },
-	{ .mod = Mod4Mask, .key = XK_3, .act = ACTION_FOCUS, .num = SPOT3 },
+	{ .mod = Mod4Mask, .key = XK_Left,  .act = ACTION_FOCUS, .num = SPOT1 },
+	{ .mod = Mod4Mask, .key = XK_Up,    .act = ACTION_FOCUS, .num = SPOT2 },
+	{ .mod = Mod4Mask, .key = XK_Right, .act = ACTION_FOCUS, .num = SPOT2 },
+	{ .mod = Mod4Mask, .key = XK_Down,  .act = ACTION_FOCUS, .num = SPOT3 },
 
 	// Move the current window to another spot.
-	{ .mod = ShiftMask|Mod4Mask, .key = XK_1, .act = ACTION_MOVE, .num = SPOT1 },
-	{ .mod = ShiftMask|Mod4Mask, .key = XK_2, .act = ACTION_MOVE, .num = SPOT2 },
-	{ .mod = ShiftMask|Mod4Mask, .key = XK_3, .act = ACTION_MOVE, .num = SPOT3 },
+	{ .mod = ShiftMask|Mod4Mask, .key = XK_Left,  .act = ACTION_MOVE, .num = SPOT1 },
+	{ .mod = ShiftMask|Mod4Mask, .key = XK_Up,    .act = ACTION_MOVE, .num = SPOT2 },
+	{ .mod = ShiftMask|Mod4Mask, .key = XK_Right, .act = ACTION_MOVE, .num = SPOT2 },
+	{ .mod = ShiftMask|Mod4Mask, .key = XK_Down,  .act = ACTION_MOVE, .num = SPOT3 },
 
 	// Flip between the top two windows in the current spot.
 	{ .mod = Mod4Mask, .key = XK_Tab,    .act = ACTION_OTHER },
@@ -73,28 +75,28 @@ binding keys[] = {
 	{ .mod = Mod4Mask, .key = XK_a, .act = ACTION_ABOVE_TOGGLE },
 
 	// Switch focus between monitors.
-	{ .mod = Mod4Mask, .key = XK_Right, .act = ACTION_FOCUS_MONITOR, .num =  1 },
-	{ .mod = Mod4Mask, .key = XK_Left,  .act = ACTION_FOCUS_MONITOR, .num = -1 },
+	{ .mod = Mod4Mask, .key = XK_Next,  .act = ACTION_FOCUS_MONITOR, .num =  1 },
+	{ .mod = Mod4Mask, .key = XK_Prior, .act = ACTION_FOCUS_MONITOR, .num = -1 },
 
 	// Move windows between monitors.
-	{ .mod = ShiftMask|Mod4Mask, .key = XK_Right, .act = ACTION_MOVE_MONITOR, .num =  1 },
-	{ .mod = ShiftMask|Mod4Mask, .key = XK_Left,  .act = ACTION_MOVE_MONITOR, .num = -1 },
+	{ .mod = ShiftMask|Mod4Mask, .key = XK_Next,  .act = ACTION_MOVE_MONITOR, .num =  1 },
+	{ .mod = ShiftMask|Mod4Mask, .key = XK_Prior, .act = ACTION_MOVE_MONITOR, .num = -1 },
 
 	// Launcher
 	{ .mod = Mod4Mask, .key = XK_x, .act = ACTION_COMMAND, .data = "dmenu_run" },
 
 	// Raise tag groups
-	{ .mod = Mod4Mask, .key = XK_F1, .act = ACTION_RAISE_TAG, .num = TAG1 },
-	{ .mod = Mod4Mask, .key = XK_F2, .act = ACTION_RAISE_TAG, .num = TAG2 },
-	{ .mod = Mod4Mask, .key = XK_F3, .act = ACTION_RAISE_TAG, .num = TAG3 },
+	{ .mod = Mod4Mask, .key = XK_1, .act = ACTION_RAISE_TAG, .num = TAG1 },
+	{ .mod = Mod4Mask, .key = XK_2, .act = ACTION_RAISE_TAG, .num = TAG2 },
+	{ .mod = Mod4Mask, .key = XK_3, .act = ACTION_RAISE_TAG, .num = TAG3 },
 
 	// Tag/untag the current window
-	{ .mod = ShiftMask|Mod4Mask, .key = XK_F1, .act = ACTION_TAG, .num = TAG1 },
-	{ .mod = ShiftMask|Mod4Mask, .key = XK_F2, .act = ACTION_TAG, .num = TAG2 },
-	{ .mod = ShiftMask|Mod4Mask, .key = XK_F3, .act = ACTION_TAG, .num = TAG3 },
-	{ .mod = ShiftMask|ControlMask|Mod4Mask, .key = XK_F1, .act = ACTION_UNTAG, .num = TAG1 },
-	{ .mod = ShiftMask|ControlMask|Mod4Mask, .key = XK_F2, .act = ACTION_UNTAG, .num = TAG2 },
-	{ .mod = ShiftMask|ControlMask|Mod4Mask, .key = XK_F3, .act = ACTION_UNTAG, .num = TAG3 },
+	{ .mod = ShiftMask|Mod4Mask, .key = XK_1, .act = ACTION_TAG, .num = TAG1 },
+	{ .mod = ShiftMask|Mod4Mask, .key = XK_2, .act = ACTION_TAG, .num = TAG2 },
+	{ .mod = ShiftMask|Mod4Mask, .key = XK_3, .act = ACTION_TAG, .num = TAG3 },
+	{ .mod = ShiftMask|ControlMask|Mod4Mask, .key = XK_1, .act = ACTION_UNTAG, .num = TAG1 },
+	{ .mod = ShiftMask|ControlMask|Mod4Mask, .key = XK_2, .act = ACTION_UNTAG, .num = TAG2 },
+	{ .mod = ShiftMask|ControlMask|Mod4Mask, .key = XK_3, .act = ACTION_UNTAG, .num = TAG3 },
 
 	// Find or start apps by WM_CLASS (lower case match).
 	{ .mod = AnyModifier, .key = XK_F1, .act = ACTION_FIND_OR_START, .data = "urxvt"    },
diff --git a/xoat.1 b/xoat.1
index d219ee1..1db3085 100644
--- a/xoat.1
+++ b/xoat.1
@@ -16,32 +16,32 @@ See config.h for customization.
 .PP
 These are the default key bindings:
 .TP
-.B Mod4-1
+.B Mod4-Left
 Focus tile 1.
 .RS
 .RE
 .TP
-.B Mod4-2
+.B Mod4-Right (and Up)
 Focus tile 2.
 .RS
 .RE
 .TP
-.B Mod4-3
+.B Mod4-Down
 Focus tile 3.
 .RS
 .RE
 .TP
-.B Shift-Mod4-1
+.B Shift-Mod4-Left
 Move window to tile 1.
 .RS
 .RE
 .TP
-.B Shift-Mod4-2
+.B Shift-Mod4-Right (and Up)
 Move window to tile 2.
 .RS
 .RE
 .TP
-.B Shift-Mod4-3
+.B Shift-Mod4-Down
 Move window to tile 3.
 .RS
 .RE
@@ -72,22 +72,22 @@ Toggle state above (only placed above fullscreen windows).
 .RS
 .RE
 .TP
-.B Mod4-Right
+.B Mod4-Next (Page Down)
 Focus next monitor.
 .RS
 .RE
 .TP
-.B Mod4-Left
+.B Mod4-Prior (Page Up)
 Focus previous monitor.
 .RS
 .RE
 .TP
-.B Shift-Mod4-Right
+.B Shift-Mod4-Next
 Move window to next monitor.
 .RS
 .RE
 .TP
-.B Shift-Mod4-Left
+.B Shift-Mod4-Prior
 Move window to previous monitor.
 .RS
 .RE
@@ -102,47 +102,47 @@ Launch urxvt
 .RS
 .RE
 .TP
-.B Mod4-F1
+.B Mod4-1
 Raise windows in tag 1.
 .RS
 .RE
 .TP
-.B Shift-Mod4-F1
+.B Shift-Mod4-1
 Place current window in tag 1.
 .RS
 .RE
 .TP
-.B Shift-Control-Mod4-F1
+.B Shift-Control-Mod4-1
 Remove current window from tag 1.
 .RS
 .RE
 .TP
-.B Mod4-F2
+.B Mod4-2
 Raise windows in tag 2.
 .RS
 .RE
 .TP
-.B Shift-Mod4-F2
+.B Shift-Mod4-2
 Place current window in tag 2.
 .RS
 .RE
 .TP
-.B Shift-Control-Mod4-F2
+.B Shift-Control-Mod4-2
 Remove current window from tag 2.
 .RS
 .RE
 .TP
-.B Mod4-F3
+.B Mod4-3
 Raise windows in tag 3.
 .RS
 .RE
 .TP
-.B Shift-Mod4-F3
+.B Shift-Mod4-3
 Place current window in tag 3.
 .RS
 .RE
 .TP
-.B Shift-Control-Mod4-F3
+.B Shift-Control-Mod4-3
 Remove current window from tag 3.
 .RS
 .RE
diff --git a/xoat.c b/xoat.c
index a9b0e8c..80038c3 100644
--- a/xoat.c
+++ b/xoat.c
@@ -992,15 +992,15 @@ int main(int argc, char *argv[])
 		client *c = wins.clients[i];
 		if (!c) continue;
 
-		unsigned long strut[12]; memset(strut, 0, sizeof(strut));
-		if (window_get_cardinal_prop(c->window, atoms[_NET_WM_STRUT_PARTIAL], strut, 12)
-			|| window_get_cardinal_prop(c->window, atoms[_NET_WM_STRUT], strut, 4))
+		wm_strut strut; memset(&strut, 0, sizeof(wm_strut));
+		if (window_get_cardinal_prop(c->window, atoms[_NET_WM_STRUT_PARTIAL], (unsigned long*)&strut, 12)
+			|| window_get_cardinal_prop(c->window, atoms[_NET_WM_STRUT], (unsigned long*)&strut, 4))
 		{
-			struts[LEFT]   = MAX(struts[LEFT],   strut[LEFT]);
-			struts[RIGHT]  = MAX(struts[RIGHT],  strut[RIGHT]);
-			struts[TOP]    = MAX(struts[TOP],    strut[TOP]);
-			struts[BOTTOM] = MAX(struts[BOTTOM], strut[BOTTOM]);
-			warnx("struts %ld %ld %ld %ld 0x%08lx %s", strut[LEFT], strut[LEFT], strut[LEFT], strut[LEFT], (long)c->window, c->class);
+			struts.left   = MAX(struts.left,   strut.left);
+			struts.right  = MAX(struts.right,  strut.right);
+			struts.top    = MAX(struts.top,    strut.top);
+			struts.bottom = MAX(struts.bottom, strut.bottom);
+			warnx("struts %ld %ld %ld %ld 0x%08lx %s", strut.left, strut.left, strut.left, strut.left, (long)c->window, c->class);
 		}
 		client_free(c);
 	}
@@ -1014,9 +1014,9 @@ int main(int argc, char *argv[])
 			for (i = 0; i < nmonitors; i++)
 			{
 				monitors[i].x = info[i].x_org;
-				monitors[i].y = info[i].y_org + struts[TOP];
+				monitors[i].y = info[i].y_org + struts.top;
 				monitors[i].w = info[i].width;
-				monitors[i].h = info[i].height - struts[TOP] - struts[BOTTOM];
+				monitors[i].h = info[i].height - struts.top - struts.bottom;
 				warnx("monitor %d %dx%d+%d+%d", i, monitors[i].w, monitors[i].h, monitors[i].x, monitors[i].y);
 			}
 			XFree(info);
@@ -1024,11 +1024,11 @@ int main(int argc, char *argv[])
 	}
 
 	// left struts affect first monitor
-	monitors[0].x += struts[LEFT];
-	monitors[0].w -= struts[LEFT];
+	monitors[0].x += struts.left;
+	monitors[0].w -= struts.left;
 
 	// right struts affect last monitor
-	monitors[nmonitors-1].w -= struts[RIGHT];
+	monitors[nmonitors-1].w -= struts.right;
 
 	// dump atoms for debug
 	for (i = 0; i < ATOMS; i++) warnx("atom 0x%lx %s", (long)atoms[i], atom_names[i]);
diff --git a/xoat.h b/xoat.h
index feb11b5..27a0401 100644
--- a/xoat.h
+++ b/xoat.h
@@ -94,8 +94,13 @@ stack inplay;
 
 static int (*xerror)(Display *, XErrorEvent *);
 
-enum { LEFT, RIGHT, TOP, BOTTOM };
-int struts[4] = { 0, 0, 0, 0 };
+typedef struct {
+	long left, right, top, bottom,
+		left_start_y, left_end_y, right_start_y, right_end_y,
+		top_start_x, top_end_x, bottom_start_x, bottom_end_x;
+} wm_strut;
+
+wm_strut struts;
 
 #define ATOM_ENUM(x) x
 #define ATOM_CHAR(x) #x
diff --git a/xoat.md b/xoat.md
index cce0510..4e74c51 100644
--- a/xoat.md
+++ b/xoat.md
@@ -20,22 +20,22 @@ See config.h for customization.
 
 These are the default key bindings:
 
-Mod4-1
+Mod4-Left
 :	Focus tile 1.
 
-Mod4-2
+Mod4-Right  (and Up)
 :	Focus tile 2.
 
-Mod4-3
+Mod4-Down
 :	Focus tile 3.
 
-Shift-Mod4-1
+Shift-Mod4-Left
 :	Move window to tile 1.
 
-Shift-Mod4-2
+Shift-Mod4-Right  (and Up)
 :	Move window to tile 2.
 
-Shift-Mod4-3
+Shift-Mod4-Down
 :	Move window to tile 3.
 
 Mod4-Tab
@@ -53,16 +53,16 @@ Mod4-f
 Mod4-a
 :	Toggle state above (only placed above fullscreen windows).
 
-Mod4-Right
+Mod4-Next  (Page Down)
 :	Focus next monitor.
 
-Mod4-Left
+Mod4-Prior  (Page Up)
 :	Focus previous monitor.
 
-Shift-Mod4-Right
+Shift-Mod4-Next
 :	Move window to next monitor.
 
-Shift-Mod4-Left
+Shift-Mod4-Prior
 :	Move window to previous monitor.
 
 Shift-Mod4-x
@@ -71,31 +71,31 @@ Shift-Mod4-x
 F1
 :	Launch urxvt
 
-Mod4-F1
+Mod4-1
 :	Raise windows in tag 1.
 
-Shift-Mod4-F1
+Shift-Mod4-1
 :	Place current window in tag 1.
 
-Shift-Control-Mod4-F1
+Shift-Control-Mod4-1
 :	Remove current window from tag 1.
 
-Mod4-F2
+Mod4-2
 :	Raise windows in tag 2.
 
-Shift-Mod4-F2
+Shift-Mod4-2
 :	Place current window in tag 2.
 
-Shift-Control-Mod4-F2
+Shift-Control-Mod4-2
 :	Remove current window from tag 2.
 
-Mod4-F3
+Mod4-3
 :	Raise windows in tag 3.
 
-Shift-Mod4-F3
+Shift-Mod4-3
 :	Place current window in tag 3.
 
-Shift-Control-Mod4-F3
+Shift-Control-Mod4-3
 :	Remove current window from tag 3.
 
 # OPTIONS