1/* See LICENSE file for copyright and license details. */
  2#include "dwm.h"
  3#include <stdlib.h>
  4
  5unsigned int blw = 0;
  6Layout *lt = NULL;
  7
  8/* static */
  9
 10static unsigned int nlayouts = 0;
 11
 12LAYOUTS
 13
 14/* extern */
 15
 16void
 17focusclient(const char *arg) {
 18	Client *c;
 19   
 20	if(!sel || !arg)
 21		return;
 22	if(atoi(arg) < 0) {
 23		for(c = sel->prev; c && !isvisible(c); c = c->prev);
 24		if(!c) {
 25			for(c = clients; c && c->next; c = c->next);
 26			for(; c && !isvisible(c); c = c->prev);
 27		}
 28	}
 29	else {
 30		for(c = sel->next; c && !isvisible(c); c = c->next);
 31		if(!c)
 32			for(c = clients; c && !isvisible(c); c = c->next);
 33	}
 34	if(c) {
 35		focus(c);
 36		restack();
 37	}
 38}
 39
 40void
 41initlayouts(void) {
 42	unsigned int i, w;
 43
 44	lt = &layout[0];
 45	nlayouts = sizeof layout / sizeof layout[0];
 46	for(blw = i = 0; i < nlayouts; i++) {
 47		w = textw(layout[i].symbol);
 48		if(w > blw)
 49			blw = w;
 50	}
 51}
 52
 53Client *
 54nexttiled(Client *c) {
 55	for(; c && (c->isfloating || !isvisible(c)); c = c->next);
 56	return c;
 57}
 58
 59void
 60restack(void) {
 61	Client *c;
 62	XEvent ev;
 63	XWindowChanges wc;
 64
 65	drawstatus();
 66	if(!sel)
 67		return;
 68	if(sel->isfloating || lt->arrange == floating)
 69		XRaiseWindow(dpy, sel->win);
 70	if(lt->arrange != floating) {
 71		wc.stack_mode = Below;
 72		wc.sibling = barwin;
 73		if(!sel->isfloating) {
 74			XConfigureWindow(dpy, sel->win, CWSibling | CWStackMode, &wc);
 75			wc.sibling = sel->win;
 76		}
 77		for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
 78			if(c == sel)
 79				continue;
 80			XConfigureWindow(dpy, c->win, CWSibling | CWStackMode, &wc);
 81			wc.sibling = c->win;
 82		}
 83	}
 84	XSync(dpy, False);
 85	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
 86}
 87
 88void
 89setlayout(const char *arg) {
 90	int i;
 91
 92	if(!arg) {
 93		lt++;
 94		if(lt == layout + nlayouts)
 95			lt = layout;
 96	}
 97	else {
 98		i = atoi(arg);
 99		if(i < 0 || i >= nlayouts)
100			return;
101		lt = &layout[i];
102	}
103	if(sel)
104		lt->arrange();
105	else
106		drawstatus();
107}
108
109void
110togglebar(const char *arg) {
111	if(bpos == BarOff)
112		bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
113	else
114		bpos = BarOff;
115	updatebarpos();
116	lt->arrange();
117}