added grid mode on Mod1Mask g

Makefile

@@ -3,7 +3,7 @@
 
 include config.mk
 
-WMSRC = bar.c client.c cmd.c draw.c event.c kb.c mouse.c util.c wm.c
+WMSRC = bar.c client.c draw.c event.c kb.c mouse.c util.c wm.c
 WMOBJ = ${WMSRC:.c=.o}
 MENSRC = menu.c draw.c util.c
 MENOBJ = ${MENSRC:.c=.o}

client.c

@@ -3,6 +3,7 @@
  * See LICENSE file for license details.
  */
 
+#include <math.h>
 #include <stdlib.h>
 #include <string.h>
 #include <X11/Xatom.h>
@@ -10,6 +11,73 @@
 #include "util.h"
 #include "wm.h"
 
+void
+arrange(void *aux)
+{
+	Client *c;
+	int n, cols, rows, gw, gh, i, j;
+    float rt, fd;
+
+	if(!clients)
+		return;
+	for(n = 0, c = clients; c; c = c->next, n++);
+	rt = sqrt(n);
+	if(modff(rt, &fd) < 0.5)
+		rows = floor(rt);
+	else
+		rows = ceil(rt);
+	if(rows * rows < n)
+		cols = rows + 1;
+	else
+		cols = rows;
+
+	gw = (sw - 1)  / cols;
+	gh = (sh - bh - 1) / rows;
+
+	for(i = j = 0, c = clients; c; c = c->next) {
+		c->x = i * gw;
+		c->y = j * gh + bh;
+		c->w = gw;
+		c->h = gh;
+		resize(c);
+		if(++i == cols) {
+			j++;
+			i = 0;
+		}
+	}
+}
+
+void
+sel(void *aux)
+{
+	const char *arg = aux;
+	Client *c = NULL;
+
+	if(!arg || !stack)
+		return;
+	if(!strncmp(arg, "next", 5))
+		c = stack->snext ? stack->snext : stack;
+	else if(!strncmp(arg, "prev", 5))
+		for(c = stack; c && c->snext; c = c->snext);
+	if(!c)
+		c = stack;
+	raise(c);
+	focus(c);
+}
+
+void
+kill(void *aux)
+{
+	Client *c = stack;
+
+	if(!c)
+		return;
+	if(c->proto & WM_PROTOCOL_DELWIN)
+		send_message(c->win, wm_atom[WMProtocols], wm_atom[WMDelete]);
+	else
+		XKillClient(dpy, c->win);
+}
+
 static void
 resize_title(Client *c)
 {
@@ -113,7 +181,7 @@ focus(Client *c)
 		draw_client(old);
 	}
 	XUnmapWindow(dpy, c->title);
-	draw_client(old);
+	draw_client(c);
 	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
 	XFlush(dpy);
 }

cmd.c

@@ -1,52 +0,0 @@
-/*
- * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-
-#include "wm.h"
-#include <stdio.h>
-#include <string.h>
-
-void
-run(void *aux)
-{
-	spawn(dpy, aux);
-}
-
-void
-quit(void *aux)
-{
-	running = False;
-}
-
-void
-sel(void *aux)
-{
-	const char *arg = aux;
-	Client *c = NULL;
-
-	if(!arg || !stack)
-		return;
-	if(!strncmp(arg, "next", 5))
-		c = stack->snext ? stack->snext : stack;
-	else if(!strncmp(arg, "prev", 5))
-		for(c = stack; c && c->snext; c = c->snext);
-	if(!c)
-		c = stack;
-	raise(c);
-	focus(c);
-}
-
-void
-kill(void *aux)
-{
-	Client *c = stack;
-
-	if(!c)
-		return;
-	if(c->proto & WM_PROTOCOL_DELWIN)
-		send_message(c->win, wm_atom[WMProtocols], wm_atom[WMDelete]);
-	else
-		XKillClient(dpy, c->win);
-}
-

config.mk

@@ -11,7 +11,7 @@ X11LIB = /usr/X11R6/lib
 VERSION = 0.0
 
 # includes and libs
-LIBS = -L${PREFIX}/lib -L/usr/lib -lc -L${X11LIB} -lX11
+LIBS = -L${PREFIX}/lib -L/usr/lib -lc -lm -L${X11LIB} -lX11
 
 # Linux/BSD
 CFLAGS = -g -Wall -I. -I${PREFIX}/include -I/usr/include -I${X11INC} \

kb.c

@@ -13,16 +13,18 @@ static const char *term[] = {
 };
 
 static const char *proglist[] = {
-		"sh", "-c", "exec `ls -lL /bin /sbin /usr/bin /usr/local/bin 2>/dev/null | awk 'NF>2 && $1 ~ /^[^d].*x/ {print $NF}' | sort | uniq | gridmenu`", 0
+		"sh", "-c", "exec `ls -lL /bin /sbin /usr/bin /usr/local/bin 2>/dev/null "
+		"| awk 'NF>2 && $1 ~ /^[^d].*x/ {print $NF}' | sort | uniq | gridmenu`", 0
 };
 
 static Key key[] = {
 	{ Mod1Mask, XK_Return, run, term },
 	{ Mod1Mask, XK_p, run, proglist }, 
-	{ Mod1Mask, XK_k, sel, "prev"}, 
+	{ Mod1Mask, XK_k, sel, "prev" }, 
-	{ Mod1Mask, XK_j, sel, "next"}, 
+	{ Mod1Mask, XK_j, sel, "next" }, 
-	{ Mod1Mask | ShiftMask, XK_c, kill, NULL}, 
+	{ Mod1Mask, XK_g, arrange, NULL }, 
-	{ Mod1Mask | ShiftMask, XK_q, quit, NULL},
+	{ Mod1Mask | ShiftMask, XK_c, kill, NULL }, 
+	{ Mod1Mask | ShiftMask, XK_q, quit, NULL },
 };
 
 void

wm.c

@@ -175,6 +175,18 @@ cleanup()
 	XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
 }
 
+void
+run(void *aux)
+{
+	spawn(dpy, aux);
+}
+
+void
+quit(void *aux)
+{
+	running = False;
+}
+
 int
 main(int argc, char *argv[])
 {

wm.h

@@ -58,12 +58,6 @@ extern Client *clients, *stack;
 /* bar.c */
 extern void draw_bar();
 
-/* cmd.c */
-extern void run(void *aux);
-extern void quit(void *aux);
-extern void kill(void *aux);
-extern void sel(void *aux);
-
 /* client.c */
 extern void manage(Window w, XWindowAttributes *wa);
 extern void unmanage(Client *c);
@@ -76,10 +70,15 @@ extern void update_size(Client *c);
 extern Client *gettitle(Window w);
 extern void raise(Client *c);
 extern void lower(Client *c);
+extern void kill(void *aux);
+extern void sel(void *aux);
 
 /* event.c */
 extern void discard_events(long even_mask);
 
+/* grid.c */
+extern void arrange();
+
 /* key.c */
 extern void update_keys();
 extern void keypress(XEvent *e);
@@ -92,3 +91,5 @@ extern void mmove(Client *c);
 extern int error_handler(Display *dpy, XErrorEvent *error);
 extern void send_message(Window w, Atom a, long value);
 extern int win_proto(Window w);
+extern void run(void *aux);
+extern void quit(void *aux);