1 files changed, 103 insertions, 0 deletions
diff --git a/tile.c b/tile.c
new file mode 100644
index 0000000..3cdaf49
--- /dev/null
+++ b/tile.c
@@ -0,0 +1,103 @@
+/* See LICENSE file for copyright and license details. */
+double mfact = MFACT;
+int bx, by, bw, bh, blw, mx, my, mw, mh, tx, ty, tw, th, wx, wy, ww, wh;
+
+void setmfact(const char *arg);
+void tile(void);
+void tilegeom(void);
+void tileresize(Client *c, int x, int y, int w, int h);
+
+void
+setmfact(const char *arg) {
+	double d;
+
+	if(lt->arrange != tile)
+		return;
+	if(!arg)
+		mfact = MFACT;
+	else {
+		d = strtod(arg, NULL);
+		if(arg[0] == '-' || arg[0] == '+')
+			d += mfact;
+		if(d < 0.1 || d > 0.9)
+			return;
+		mfact = d;
+	}
+	updategeom();
+	arrange();
+}
+
+void
+tile(void) {
+	int y, h;
+	unsigned int i, n;
+	Client *c;
+
+	for(n = 0, c = nextunfloating(clients); c; c = nextunfloating(c->next), n++);
+	if(n == 0)
+		return;
+
+	/* master */
+	c = nextunfloating(clients);
+
+	if(n == 1)
+		tileresize(c, wx, wy, ww - 2 * c->bw, wh - 2 * c->bw);
+	else
+		tileresize(c, mx, my, mw - 2 * c->bw, mh - 2 * c->bw);
+
+	if(--n == 0)
+		return;
+
+	/* tile stack */
+	y = ty;
+	h = th / n;
+	if(h < bh)
+		h = th;
+
+	for(i = 0, c = nextunfloating(c->next); c; c = nextunfloating(c->next), i++) {
+		if(i + 1 == n) /* remainder */
+			tileresize(c, tx, y, tw - 2 * c->bw, (ty + th) - y - 2 * c->bw);
+		else
+			tileresize(c, tx, y, tw - 2 * c->bw, h - 2 * c->bw);
+		if(h != th)
+			y = c->y + c->h + 2 * c->bw;
+	}
+}
+
+void
+tilegeom(void) {
+	/* master area geometry */
+	mx = wx;
+	my = wy;
+	mw = mfact * ww;
+	mh = wh;
+
+	/* tile area geometry */
+	tx = mx + mw;
+	ty = wy;
+	tw = ww - mw;
+	th = wh;
+}
+
+void
+tileresize(Client *c, int x, int y, int w, int h) {
+	resize(c, x, y, w, h, RESIZEHINTS);
+	if((RESIZEHINTS) && ((c->h < bh) || (c->h > h) || (c->w < bh) || (c->w > w)))
+		/* client doesn't accept size constraints */
+		resize(c, x, y, w, h, False);
+}
+
+void
+zoom(const char *arg) {
+	Client *c = sel;
+
+	if(c == nextunfloating(clients))
+		if(!c || !(c = nextunfloating(c->next)))
+			return;
+	if(lt->arrange == tile && !sel->isfloating) {
+		detach(c);
+		attach(c);
+		focus(c);
+	}
+	arrange();
+}