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311 lines
5.7 KiB
311 lines
5.7 KiB
/* See LICENSE file for copyright and license details. */
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#include "dwm.h"
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#include <stdio.h>
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#include <stdlib.h>
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unsigned int blw = 0;
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Layout *lt = NULL;
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/* static */
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static double hratio = HRATIO;
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static double vratio = VRATIO;
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static unsigned int nlayouts = 0;
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static unsigned int nmaster = NMASTER;
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static double /* simple pow() */
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spow(double x, double y)
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{
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if(y == 0)
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return 1;
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while(--y)
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x *= x;
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return x;
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}
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static void
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tile(void) {
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Bool mmaxtile = False, smaxtile = False; /* fallback tiling */
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double mscale = 0, sscale = 0, sum = 0;
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unsigned int i, n, nx, ny, nw, nh, mw, tw;
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Client *c;
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/* preparation */
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for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
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n++;
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nx = wax;
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ny = way;
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mw = (n <= nmaster) ? waw : waw / (1 + hratio);
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tw = waw - mw;
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if(n > 0) {
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if(n <= nmaster) {
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for(i = 0; i < n; i++)
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sum += spow(vratio, i);
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mscale = wah / sum;
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if(vratio >= 1)
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mmaxtile = bh > (mscale * spow(vratio, 0));
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else
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mmaxtile = bh > (mscale * spow(vratio, n - 1));
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}
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else {
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for(i = 0; i < nmaster; i++)
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sum += spow(vratio, i);
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mscale = wah / sum;
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for(sum = 0, i = 0; i < (n - nmaster); i++)
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sum += spow(vratio, i);
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sscale = wah / sum;
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if(vratio >= 1) {
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mmaxtile = bh > (mscale * spow(vratio, 0));
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smaxtile = bh > (sscale * spow(vratio, 0));
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}
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else {
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mmaxtile = bh > (mscale * spow(vratio, nmaster - 1));
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smaxtile = bh > (sscale * spow(vratio, n - nmaster - 1));
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}
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}
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}
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/* tiling */
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for(i = 0, c = clients; c; c = c->next)
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if(isvisible(c)) {
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unban(c);
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if(c->isfloating)
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continue;
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c->ismax = False;
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if(i < nmaster) { /* master window */
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nw = mw - 2 * c->border;
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if(mmaxtile) {
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ny = way;
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nh = wah - 2 * c->border;
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}
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else if(i + 1 == (n < nmaster ? n : nmaster))
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nh = (way + wah) - ny - 2 * c->border;
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else
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nh = (mscale * spow(vratio, i)) - 2 * c->border;
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}
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else { /* tile window */
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nw = tw - 2 * c->border;
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if(i == nmaster) {
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ny = way;
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nx = wax + mw;
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}
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if(smaxtile) {
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ny = way;
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nh = wah - 2 * c->border;
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}
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else if(i + 1 == n)
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nh = (way + wah) - ny - 2 * c->border;
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else
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nh = (sscale * spow(vratio, i - nmaster)) - 2 * c->border;
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}
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resize(c, nx, ny, nw, nh, False);
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ny += nh;
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i++;
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}
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else
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ban(c);
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focus(NULL);
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restack();
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}
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LAYOUTS
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static void
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incratio(const char *arg, double *ratio, double def) {
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double delta;
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if(lt->arrange != tile)
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return;
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if(!arg)
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*ratio = def;
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else {
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if(1 == sscanf(arg, "%lf", &delta)) {
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if(delta + (*ratio) < .1 || delta + (*ratio) > 1.9)
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return;
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*ratio += delta;
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}
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}
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lt->arrange();
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}
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/* extern */
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void
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floating(void) {
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Client *c;
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for(c = clients; c; c = c->next)
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if(isvisible(c)) {
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unban(c);
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resize(c, c->x, c->y, c->w, c->h, True);
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}
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else
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ban(c);
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focus(NULL);
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restack();
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}
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void
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focusclient(const char *arg) {
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Client *c;
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if(!sel || !arg)
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return;
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if(atoi(arg) < 0) {
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for(c = sel->prev; c && !isvisible(c); c = c->prev);
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if(!c) {
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for(c = clients; c && c->next; c = c->next);
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for(; c && !isvisible(c); c = c->prev);
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}
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}
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else {
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for(c = sel->next; c && !isvisible(c); c = c->next);
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if(!c)
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for(c = clients; c && !isvisible(c); c = c->next);
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}
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if(c) {
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focus(c);
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restack();
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}
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}
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void
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inchratio(const char *arg) {
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incratio(arg, &hratio, HRATIO);
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}
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void
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incvratio(const char *arg) {
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incratio(arg, &vratio, VRATIO);
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}
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void
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incnmaster(const char *arg) {
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int i;
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if(!arg)
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nmaster = NMASTER;
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else {
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i = atoi(arg);
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if((lt->arrange != tile) || (nmaster + i < 1)
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|| (wah / (nmaster + i) <= 2 * BORDERPX))
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return;
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nmaster += i;
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}
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if(sel)
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lt->arrange();
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else
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drawstatus();
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}
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void
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initlayouts(void) {
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unsigned int i, w;
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lt = &layout[0];
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nlayouts = sizeof layout / sizeof layout[0];
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for(blw = i = 0; i < nlayouts; i++) {
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w = textw(layout[i].symbol);
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if(w > blw)
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blw = w;
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}
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}
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Client *
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nexttiled(Client *c) {
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for(; c && (c->isfloating || !isvisible(c)); c = c->next);
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return c;
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}
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void
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restack(void) {
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Client *c;
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XEvent ev;
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XWindowChanges wc;
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drawstatus();
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if(!sel)
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return;
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if(sel->isfloating || lt->arrange == floating)
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XRaiseWindow(dpy, sel->win);
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if(lt->arrange != floating) {
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wc.stack_mode = Below;
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wc.sibling = barwin;
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if(!sel->isfloating) {
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XConfigureWindow(dpy, sel->win, CWSibling | CWStackMode, &wc);
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wc.sibling = sel->win;
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}
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for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
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if(c == sel)
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continue;
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XConfigureWindow(dpy, c->win, CWSibling | CWStackMode, &wc);
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wc.sibling = c->win;
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}
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}
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XSync(dpy, False);
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while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
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}
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void
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setlayout(const char *arg) {
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int i;
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if(!arg) {
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lt++;
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if(lt == layout + nlayouts)
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lt = layout;
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}
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else {
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i = atoi(arg);
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if(i < 0 || i >= nlayouts)
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return;
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lt = &layout[i];
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}
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if(sel)
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lt->arrange();
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else
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drawstatus();
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}
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void
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togglebar(const char *arg) {
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if(bpos == BarOff)
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bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
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else
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bpos = BarOff;
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updatebarpos();
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lt->arrange();
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}
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void
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togglemax(const char *arg) {
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XEvent ev;
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if(!sel || (lt->arrange != floating && !sel->isfloating) || sel->isfixed)
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return;
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if((sel->ismax = !sel->ismax)) {
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sel->rx = sel->x;
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sel->ry = sel->y;
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sel->rw = sel->w;
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sel->rh = sel->h;
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resize(sel, wax, way, waw - 2 * sel->border, wah - 2 * sel->border, True);
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}
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else
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resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, True);
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drawstatus();
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while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
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}
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void
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zoom(const char *arg) {
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Client *c;
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if(!sel || lt->arrange == floating || sel->isfloating)
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return;
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if((c = sel) == nexttiled(clients))
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if(!(c = nexttiled(c->next)))
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return;
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detach(c);
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attach(c);
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focus(c);
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lt->arrange();
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}
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