flextile.h

/* 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);
                }
        }
}