Major refactoring in preparation for bar modules

patch/layout_gapplessgrid.c

@@ -0,0 +1,98 @@
+#if VANITYGAPS_PATCH
+void
+gaplessgrid(Monitor *m)
+{
+	unsigned int i, n;
+	int x, y, cols, rows, ch, cw, cn, rn, rrest, crest; // counters
+	int oh, ov, ih, iv;
+	Client *c;
+
+	getgaps(m, &oh, &ov, &ih, &iv, &n);
+	if (n == 0)
+		return;
+
+	/* grid dimensions */
+	for (cols = 0; cols <= n/2; cols++)
+		if (cols*cols >= n)
+			break;
+	if (n == 5) /* set layout against the general calculation: not 1:2:2, but 2:3 */
+		cols = 2;
+	rows = n/cols;
+	cn = rn = 0; // reset column no, row no, client count
+
+	ch = (m->wh - 2*oh - ih * (rows - 1)) / rows;
+	cw = (m->ww - 2*ov - iv * (cols - 1)) / cols;
+	rrest = (m->wh - 2*oh - ih * (rows - 1)) - ch * rows;
+	crest = (m->ww - 2*ov - iv * (cols - 1)) - cw * cols;
+	x = m->wx + ov;
+	y = m->wy + oh;
+
+	for (i = 0, c = nexttiled(m->clients); c; i++, c = nexttiled(c->next)) {
+		if (i/rows + 1 > cols - n%cols) {
+			rows = n/cols + 1;
+			ch = (m->wh - 2*oh - ih * (rows - 1)) / rows;
+			rrest = (m->wh - 2*oh - ih * (rows - 1)) - ch * rows;
+		}
+		resize(c,
+			x,
+			y + rn*(ch + ih) + MIN(rn, rrest),
+			cw + (cn < crest ? 1 : 0) - 2*c->bw,
+			ch + (rn < rrest ? 1 : 0) - 2*c->bw,
+			0);
+		rn++;
+		if (rn >= rows) {
+			rn = 0;
+			x += cw + ih + (cn < crest ? 1 : 0);
+			cn++;
+		}
+	}
+}
+#else
+void
+gaplessgrid(Monitor *m)
+{
+	unsigned int i, n;
+	int x, y, cols, rows, ch, cw, cn, rn, rrest, crest; // counters
+	Client *c;
+
+	for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);
+	if (n == 0)
+		return;
+
+	/* grid dimensions */
+	for (cols = 0; cols <= n/2; cols++)
+		if (cols*cols >= n)
+			break;
+	if (n == 5) /* set layout against the general calculation: not 1:2:2, but 2:3 */
+		cols = 2;
+	rows = n/cols;
+	cn = rn = 0; // reset column no, row no, client count
+
+	ch = m->wh / rows;
+	cw = m->ww / cols;
+	rrest = m->wh - ch * rows;
+	crest = m->ww - cw * cols;
+	x = m->wx;
+	y = m->wy;
+
+	for (i = 0, c = nexttiled(m->clients); c; i++, c = nexttiled(c->next)) {
+		if (i/rows + 1 > cols - n%cols) {
+			rows = n/cols + 1;
+			ch = m->wh / rows;
+			rrest = m->wh - ch * rows;
+		}
+		resize(c,
+			x,
+			y + rn*ch + MIN(rn, rrest),
+			cw + (cn < crest ? 1 : 0) - 2*c->bw,
+			ch + (rn < rrest ? 1 : 0) - 2*c->bw,
+			0);
+		rn++;
+		if (rn >= rows) {
+			rn = 0;
+			x += cw + (cn < crest ? 1 : 0);
+			cn++;
+		}
+	}
+}
+#endif