layout.c
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/* See LICENSE file for copyright and license details. */
#include "dwm.h"
#include <stdio.h>
#include <stdlib.h>
unsigned int blw = 0;
Layout *lt = NULL;
/* static */
static unsigned int nlayouts = 0;
LAYOUTS
/* extern */
void
floating(const char *arg) {
Client *c;
if(lt->arrange != floating)
return;
for(c = clients; c; c = c->next)
if(isvisible(c)) {
unban(c);
resize(c, c->x, c->y, c->w, c->h, True);
}
else
ban(c);
focus(NULL);
restack();
}
void
focusclient(const char *arg) {
Client *c;
if(!sel || !arg)
return;
if(atoi(arg) < 0) {
for(c = sel->prev; c && !isvisible(c); c = c->prev);
if(!c) {
for(c = clients; c && c->next; c = c->next);
for(; c && !isvisible(c); c = c->prev);
}
}
else {
for(c = sel->next; c && !isvisible(c); c = c->next);
if(!c)
for(c = clients; c && !isvisible(c); c = c->next);
}
if(c) {
focus(c);
restack();
}
}
void
initlayouts(void) {
unsigned int i, w;
lt = &layout[0];
nlayouts = sizeof layout / sizeof layout[0];
for(blw = i = 0; i < nlayouts; i++) {
w = textw(layout[i].symbol);
if(w > blw)
blw = w;
}
}
Client *
nexttiled(Client *c) {
for(; c && (c->isfloating || !isvisible(c)); c = c->next);
return c;
}
void
restack(void) {
Client *c;
XEvent ev;
XWindowChanges wc;
drawstatus();
if(!sel)
return;
if(sel->isfloating || lt->arrange == floating)
XRaiseWindow(dpy, sel->win);
if(lt->arrange != floating) {
wc.stack_mode = Below;
wc.sibling = barwin;
if(!sel->isfloating) {
XConfigureWindow(dpy, sel->win, CWSibling | CWStackMode, &wc);
wc.sibling = sel->win;
}
for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
if(c == sel)
continue;
XConfigureWindow(dpy, c->win, CWSibling | CWStackMode, &wc);
wc.sibling = c->win;
}
}
XSync(dpy, False);
while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}
void
setlayout(const char *arg) {
int i;
if(!arg) {
lt++;
if(lt == layout + nlayouts)
lt = layout;
}
else {
i = atoi(arg);
if(i < 0 || i >= nlayouts)
return;
lt = &layout[i];
}
if(sel)
lt->arrange(NULL);
else
drawstatus();
}
void
tile(const char *arg) {
static double master = MASTER;
double delta;
unsigned int i, n, nx, ny, nw, nh, mw, th;
Client *c;
if(lt->arrange != tile)
return;
/* arg handling, manipulate master */
if(arg && (1 == sscanf(arg, "%lf", &delta))) {
if(delta + master > 0.1 && delta + master < 0.9)
master += delta;
}
for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
n++;
/* window geoms */
mw = (n == 1) ? waw : master * waw;
th = (n > 1) ? wah / (n - 1) : 0;
if(n > 1 && th < bh)
th = wah;
nx = wax;
ny = way;
for(i = 0, c = clients; c; c = c->next)
if(isvisible(c)) {
unban(c);
if(c->isfloating)
continue;
c->ismax = False;
if(i == 0) { /* master */
nw = mw - 2 * c->border;
nh = wah - 2 * c->border;
}
else { /* tile window */
if(i == 1) {
ny = way;
nx += mw;
}
nw = waw - mw - 2 * c->border;
if(i + 1 == n) /* remainder */
nh = (way + wah) - ny - 2 * c->border;
else
nh = th - 2 * c->border;
}
resize(c, nx, ny, nw, nh, False);
if(n > 1 && th != wah)
ny += nh;
i++;
}
else
ban(c);
focus(NULL);
restack();
}
void
togglebar(const char *arg) {
if(bpos == BarOff)
bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
else
bpos = BarOff;
updatebarpos();
lt->arrange(NULL);
}
void
togglemax(const char *arg) {
XEvent ev;
if(!sel || (lt->arrange != floating && !sel->isfloating) || sel->isfixed)
return;
if((sel->ismax = !sel->ismax)) {
sel->rx = sel->x;
sel->ry = sel->y;
sel->rw = sel->w;
sel->rh = sel->h;
resize(sel, wax, way, waw - 2 * sel->border, wah - 2 * sel->border, True);
}
else
resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, True);
drawstatus();
while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}
void
zoom(const char *arg) {
Client *c;
if(!sel || lt->arrange == floating || sel->isfloating)
return;
if((c = sel) == nexttiled(clients))
if(!(c = nexttiled(c->next)))
return;
detach(c);
attach(c);
focus(c);
lt->arrange(NULL);
}