-static unsigned int nmaster = NMASTER;
-
-static double /* simple pow() */
-spow(double x, double y)
-{
- if(y == 0)
- return 1;
- while(--y)
- x *= x;
- return x;
-}
-
-static void
-tile(void) {
- Bool mmaxtile = False, smaxtile = False; /* fallback tiling */
- double mscale = 0, sscale = 0, sum = 0;
- unsigned int i, n, nx, ny, nw, nh, mw, tw;
- Client *c;
-
- /* preparation */
- for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
- n++;
- nx = wax;
- ny = way;
- mw = (n <= nmaster) ? waw : waw / (1 + hratio);
- tw = waw - mw;
- if(n > 0) {
- if(n <= nmaster) {
- for(i = 0; i < n; i++)
- sum += spow(vratio, i);
- mscale = wah / sum;
- if(vratio >= 1)
- mmaxtile = bh > mscale;
- else
- mmaxtile = bh > (mscale * spow(vratio, n - 1));
- }
- else {
- for(i = 0; i < nmaster; i++)
- sum += spow(vratio, i);
- mscale = wah / sum;
- for(sum = 0, i = 0; i < (n - nmaster); i++)
- sum += spow(vratio, i);
- sscale = wah / sum;
- if(vratio >= 1) {
- mmaxtile = bh > mscale;
- smaxtile = bh > sscale;
- }
- else {
- mmaxtile = bh > (mscale * spow(vratio, nmaster - 1));
- smaxtile = bh > (sscale * spow(vratio, n - nmaster - 1));
- }
- }
- }
- /* tiling */
- for(i = 0, c = clients; c; c = c->next)
- if(isvisible(c)) {
- unban(c);
- if(c->isfloating)
- continue;
- c->ismax = False;
- if(i < nmaster) { /* master window */
- nw = mw - 2 * c->border;
- if(mmaxtile) {
- ny = way;
- nh = wah - 2 * c->border;
- }
- else if(i + 1 == (n < nmaster ? n : nmaster))
- nh = (way + wah) - ny - 2 * c->border;
- else
- nh = (mscale * spow(vratio, i)) - 2 * c->border;
- }
- else { /* tile window */
- nw = tw - 2 * c->border;
- if(i == nmaster) {
- ny = way;
- nx = wax + mw;
- }
- if(smaxtile) {
- ny = way;
- nh = wah - 2 * c->border;
- }
- else if(i + 1 == n)
- nh = (way + wah) - ny - 2 * c->border;
- else
- nh = (sscale * spow(vratio, i - nmaster)) - 2 * c->border;
- }
- resize(c, nx, ny, nw, nh, False);
- ny += nh;
- i++;
- }
- else
- ban(c);
- focus(NULL);
- restack();
-}