[dwm] grid layout patch for dwm-3.8

[Alexandru E. Ungur]

Hi all,

Attached is the grid mode patch for dwm-3.8
There's only been a minor improvement and that is getting rid of
the gaps between windows and screen border (at the bottom and right
side).

Cheers,
Alex

diff -Naur --exclude='.hg*' dwm-tip/config.default.h dwm-grid/config.default.h
--- dwm-tip/config.default.h    2007-02-25 23:26:01.000000000 +0200
+++ dwm-grid/config.default.h   2007-03-05 17:16:29.000000000 +0200
@@ -32,6 +32,7 @@
        /* symbol               function */ \
        { "[]=",                tile }, /* first entry is default */ \
        { "><>",                floating }, \
+       { "+++",                grid }, \
 };
 #define MASTERWIDTH            600             /* master width per thousand */
 #define NMASTER                        1               /* clients in master 
area */
diff -Naur --exclude='.hg*' dwm-tip/layout.c dwm-grid/layout.c
--- dwm-tip/layout.c    2007-02-26 14:36:31.000000000 +0200
+++ dwm-grid/layout.c   2007-03-05 17:22:24.000000000 +0200
@@ -14,6 +14,52 @@
 static unsigned int nmaster = NMASTER;
 
 static void
+grid(void) {
+       unsigned int i, n, nx, ny, nw, nh, aw, ah, tw, th, cols, rows;
+       Client *c;
+
+       for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
+               n++;
+
+       for(rows = 0; rows <= n/2; rows++)
+               if(rows*rows >= n)
+                       break;
+       cols = (rows && (rows - 1) * rows >= n) ? rows - 1 : rows;
+
+       th = (sh - dc.h) / (rows ? rows : 1);
+       tw = sw / (cols ? cols : 1);
+       nw = tw - 2 * BORDERPX;
+       nh = th - 2 * BORDERPX;
+
+       for(i = 0, c = clients; c; c = c->next)
+               if(isvisible(c)) {
+                       if(c->isbanned)
+                               XMoveWindow(dpy, c->win, c->x, c->y);
+                       c->isbanned = False;
+                       if(c->isfloating)
+                               continue;
+                       c->ismax = False;
+                       nx = (i / rows) * tw;
+                       ny = (i % rows) * th + (TOPBAR ? dc.h : 0);
+                       /* adjust height and width of last row's and last 
column's windows */ 
+                       ah = ((i + 1) % rows == 0) ? sh - th * rows - dc.h : 0;
+                       aw = (i >= rows * (cols - 1)) ? sw - tw * cols : 0;
+                       resize(c, nx, ny, nw + aw, nh + ah, False);
+                       i++;
+               }
+               else {
+                       c->isbanned = True;
+                       XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+               }
+
+       if(!sel || !isvisible(sel)) {
+               for(c = stack; c && !isvisible(c); c = c->snext);
+               focus(c);
+       }
+       restack();
+}
+
+static void
 tile(void) {
        unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
        Client *c;