layout.c
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/* See LICENSE file for copyright and license details. */
#include "dwm.h"
#include <stdlib.h>
/* static */
typedef struct {
const char *symbol;
void (*arrange)(void);
} Layout;
unsigned int blw = 0;
static Layout *lt = NULL;
static void
floating(void) { /* default floating layout */
Client *c;
for(c = clients; c; c = c->next)
if(isvisible(c))
resize(c, c->x, c->y, c->w, c->h, True);
}
static unsigned int nlayouts = 0;
LAYOUTS
/* extern */
void
arrange(void) {
Client *c;
for(c = clients; c; c = c->next)
if(isvisible(c))
unban(c);
else
ban(c);
lt->arrange();
focus(NULL);
restack();
}
void
focusnext(const char *arg) {
Client *c;
if(!sel)
return;
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
focusprev(const char *arg) {
Client *c;
if(!sel)
return;
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);
}
if(c) {
focus(c);
restack();
}
}
const char *
getsymbol(void)
{
return lt->symbol;
}
Bool
isfloating(void) {
return lt->arrange == floating;
}
Bool
isarrange(void (*func)())
{
return func == lt->arrange;
}
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)
arrange();
else
drawstatus();
}
void
togglebar(const char *arg) {
if(bpos == BarOff)
bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
else
bpos = BarOff;
updatebarpos();
arrange();
}
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));
}