+/* See LICENSE file for copyright and license details. */
+/* © 2010 joten <joten@freenet.de> */
+
+struct Monitor {
+ char ltsymbol[16];
+ float mfact;
+ double mfacts[LENGTH(tags) + 1];
+ int ltaxis[3];
+ int ltaxes[LENGTH(tags) + 1][3];
+ int num;
+ int curtag;
+ int prevtag;
+ int by; /* bar geometry */
+ int mx, my, mw, mh; /* screen size */
+ int wx, wy, ww, wh; /* window area */
+ unsigned int msplit;
+ unsigned int msplits[LENGTH(tags) + 1];
+ unsigned int seltags;
+ unsigned int sellt;
+ unsigned int tagset[2];
+ int showbar;
+ int showbars[LENGTH(tags) + 1];
+ int topbar;
+ Client *clients;
+ Client *sel;
+ Client *stack;
+ Monitor *next;
+ Window barwin;
+ const Layout *lt[2];
+ const Layout *lts[LENGTH(tags) + 1];
+};
+
+/* function declarations */
+static void mirrorlayout(const Arg *arg);
+static void rotatelayoutaxis(const Arg *arg);
+static void shiftmastersplit(const Arg *arg);
+
+void
+mirrorlayout(const Arg *arg)
+{
+ if(!selmon->lt[selmon->sellt]->arrange)
+ return;
+ selmon->ltaxis[0] *= -1;
+ selmon->ltaxes[selmon->curtag][0] = selmon->ltaxis[0];
+ arrange(selmon);
+}
+
+void
+rotatelayoutaxis(const Arg *arg)
+{
+ if(!selmon->lt[selmon->sellt]->arrange)
+ return;
+ if(arg->i == 0) {
+ if(selmon->ltaxis[0] > 0)
+ selmon->ltaxis[0] = selmon->ltaxis[0] + 1 > 2 ? 1 : selmon->ltaxis[0] + 1;
+ else
+ selmon->ltaxis[0] = selmon->ltaxis[0] - 1 < -2 ? -1 : selmon->ltaxis[0] - 1;
+ } else
+ selmon->ltaxis[arg->i] = selmon->ltaxis[arg->i] + 1 > 3 ? 1 : selmon->ltaxis[arg->i] + 1;
+ selmon->ltaxes[selmon->curtag][arg->i] = selmon->ltaxis[arg->i];
+ arrange(selmon);
+}
+
+void
+shiftmastersplit(const Arg *arg)
+{
+ unsigned int n;
+ Client *c;
+
+ for(n = 0, c = nexttiled(selmon->clients); c; c = nexttiled(c->next), n++);
+ if(!arg || !selmon->lt[selmon->sellt]->arrange || selmon->msplit + arg->i < 1 || selmon->msplit + arg->i > n)
+ return;
+ selmon->msplit += arg->i;
+ selmon->msplits[selmon->curtag] = selmon->msplit;
+ arrange(selmon);
+}
+
+void
+tile(Monitor *m)
+{
+ char sym1 = 61, sym2 = 93, sym3 = 61, sym;
+ int x1 = m->wx, y1 = m->wy, h1 = m->wh, w1 = m->ww, X1 = x1 + w1, Y1 = y1 + h1;
+ int x2 = m->wx, y2 = m->wy, h2 = m->wh, w2 = m->ww, X2 = x2 + w2, Y2 = y2 + h2;
+ unsigned int i, n, n1, n2;
+ Client *c;
+
+ for(n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);
+ if(m->msplit > n)
+ m->msplit = (n == 0) ? 1 : n;
+ /* layout symbol */
+ if(abs(m->ltaxis[0]) == m->ltaxis[1]) /* explicitly: ((abs(m->ltaxis[0]) == 1 && m->ltaxis[1] == 1) || (abs(m->ltaxis[0]) == 2 && m->ltaxis[1] == 2)) */
+ sym1 = 124;
+ if(abs(m->ltaxis[0]) == m->ltaxis[2])
+ sym3 = 124;
+ if(m->ltaxis[1] == 3)
+ sym1 = (n == 0) ? 0 : m->msplit;
+ if(m->ltaxis[2] == 3)
+ sym3 = (n == 0) ? 0 : n - m->msplit;
+ if(m->ltaxis[0] < 0) {
+ sym = sym1;
+ sym1 = sym3;
+ sym2 = 91;
+ sym3 = sym;
+ }
+ if(m->msplit == 1) {
+ if(m->ltaxis[0] > 0)
+ sym1 = 91;
+ else
+ sym3 = 93;
+ }
+ if(m->msplit > 1 && m->ltaxis[1] == 3 && m->ltaxis[2] == 3)
+ snprintf(m->ltsymbol, sizeof m->ltsymbol, "%d%c%d", sym1, sym2, sym3);
+ else if((m->msplit > 1 && m->ltaxis[1] == 3 && m->ltaxis[0] > 0) || (m->ltaxis[2] == 3 && m->ltaxis[0] < 0))
+ snprintf(m->ltsymbol, sizeof m->ltsymbol, "%d%c%c", sym1, sym2, sym3);
+ else if((m->ltaxis[2] == 3 && m->ltaxis[0] > 0) || (m->msplit > 1 && m->ltaxis[1] == 3 && m->ltaxis[0] < 0))
+ snprintf(m->ltsymbol, sizeof m->ltsymbol, "%c%c%d", sym1, sym2, sym3);
+ else
+ snprintf(m->ltsymbol, sizeof m->ltsymbol, "%c%c%c", sym1, sym2, sym3);
+ if(n == 0)
+ return;
+ /* master and stack area */
+ if(abs(m->ltaxis[0]) == 1 && n > m->msplit) {
+ w1 *= m->mfact;
+ w2 -= w1;
+ x1 += (m->ltaxis[0] < 0) ? w2 : 0;
+ x2 += (m->ltaxis[0] < 0) ? 0 : w1;
+ X1 = x1 + w1;
+ X2 = x2 + w2;
+ } else if(abs(m->ltaxis[0]) == 2 && n > m->msplit) {
+ h1 *= m->mfact;
+ h2 -= h1;
+ y1 += (m->ltaxis[0] < 0) ? h2 : 0;
+ y2 += (m->ltaxis[0] < 0) ? 0 : h1;
+ Y1 = y1 + h1;
+ Y2 = y2 + h2;
+ }
+ /* master */
+ n1 = (m->ltaxis[1] != 1 || w1 / m->msplit < bh) ? 1 : m->msplit;
+ n2 = (m->ltaxis[1] != 2 || h1 / m->msplit < bh) ? 1 : m->msplit;
+ for(i = 0, c = nexttiled(m->clients); i < m->msplit; c = nexttiled(c->next), i++) {
+ resize(c, x1, y1,
+ (m->ltaxis[1] == 1 && i + 1 == m->msplit) ? X1 - x1 - 2 * c->bw : w1 / n1 - 2 * c->bw,
+ (m->ltaxis[1] == 2 && i + 1 == m->msplit) ? Y1 - y1 - 2 * c->bw : h1 / n2 - 2 * c->bw, False);
+ if(n1 > 1)
+ x1 = c->x + WIDTH(c);
+ if(n2 > 1)
+ y1 = c->y + HEIGHT(c);
+ }
+ /* stack */
+ if(n > m->msplit) {
+ n1 = (m->ltaxis[2] != 1 || w2 / (n - m->msplit) < bh) ? 1 : n - m->msplit;
+ n2 = (m->ltaxis[2] != 2 || h2 / (n - m->msplit) < bh) ? 1 : n - m->msplit;
+ for(i = 0; c; c = nexttiled(c->next), i++) {
+ resize(c, x2, y2,
+ (m->ltaxis[2] == 1 && i + 1 == n - m->msplit) ? X2 - x2 - 2 * c->bw : w2 / n1 - 2 * c->bw,
+ (m->ltaxis[2] == 2 && i + 1 == n - m->msplit) ? Y2 - y2 - 2 * c->bw : h2 / n2 - 2 * c->bw, False);
+ if(n1 > 1)
+ x2 = c->x + WIDTH(c);
+ if(n2 > 1)
+ y2 = c->y + HEIGHT(c);
+ }
+ }
+}