Initial commitHEADmaster

2 files changed, 114 insertions, 0 deletions

diff --git a/modules/directionalfocus/directionalfocus.c b/modules/directionalfocus/directionalfocus.c
new file mode 100644
index 0000000..5d1ebcb
--- /dev/null
+++ b/modules/directionalfocus/directionalfocus.c
@@ -0,0 +1,113 @@
+void
+focusdir(const Arg *arg)
+{
+	Client *s = selmon->sel, *f = NULL, *c, *next;
+
+	if (!s)
+		return;
+
+	unsigned int score = -1;
+	unsigned int client_score;
+	int isfloating = s->isfloating;
+
+	next = s->next;
+	if (!next)
+		next = s->mon->clients;
+	for (c = next; c != s; c = next) {
+
+		next = c->next;
+		if (!next)
+			next = s->mon->clients;
+
+		if (!ISVISIBLE(c) || c->isfloating != isfloating)
+			continue;
+
+#if INFINITE_TAGS
+		if (selmon->lt[selmon->sellt]->arrange == NULL) {
+
+			int s_cx = s->x + s->w / 2;
+			int s_cy = s->y + s->h / 2;
+			int c_cx = c->x + c->w / 2;
+			int c_cy = c->y + c->h / 2;
+
+			int dx = c_cx - s_cx;  /* positive = c is to the right */
+			int dy = c_cy - s_cy;  /* positive = c is below */
+
+			int axial, lateral;
+
+			switch (arg->i) {
+			case 0: /* left */
+				if (dx >= 0) continue;
+				axial   = -dx;
+				lateral = abs(dy);
+				break;
+			case 1: /* right */
+				if (dx <= 0) continue;
+				axial   = dx;
+				lateral = abs(dy);
+				break;
+			case 2: /* up */
+				if (dy >= 0) continue;
+				axial   = -dy;
+				lateral = abs(dx);
+				break;
+			default:
+			case 3: /* down */
+				if (dy <= 0) continue;
+				axial   = dy;
+				lateral = abs(dx);
+				break;
+			}
+
+			client_score = axial + (unsigned int)((long)lateral * lateral) / (axial + 1);
+		} else
+#endif
+		{
+			int dist;
+			int dirweight = 20;
+			switch (arg->i) {
+        case 0:
+          dist = s->x - c->x - c->w;
+          client_score =
+            dirweight * abs(dist) +
+            abs(s->y - c->y);
+          break;
+        case 1:
+          dist = c->x - s->x - s->w;
+          client_score =
+            dirweight * abs(dist) +
+            abs(c->y - s->y);
+          break;
+        case 2:
+          dist = s->y - c->y - c->h;
+          client_score =
+            dirweight * abs(dist) +
+            abs(s->x - c->x);
+          break;
+        default:
+        case 3:
+          dist = c->y - s->y - s->h;
+          client_score =
+            dirweight * abs(dist) +
+            abs(c->x - s->x);
+        break;
+			}
+		}
+
+		if (client_score < score) {
+			score = client_score;
+			f = c;
+		}
+	}
+
+	if (f && f != s) {
+		focus(f);
+#if INFINITE_TAGS
+		centerwindow(NULL);
+#endif
+#if WARP_TO_CLIENT && WARP_TO_CENTER_OF_WINDOW_AFFECTED_BY_FOCUSSTACK
+		warptoclient(f);
+#endif
+		restack(f->mon);
+	}
+}
diff --git a/modules/directionalfocus/directionalfocus.h b/modules/directionalfocus/directionalfocus.h
new file mode 100644
index 0000000..773341a
--- /dev/null
+++ b/modules/directionalfocus/directionalfocus.h
@@ -0,0 +1 @@
+static void focusdir(const Arg *arg);