1/* See LICENSE file for copyright and license details. */
  2#include "dwm.h"
  3#include <stdlib.h>
  4
  5typedef struct {
  6	const char *symbol;
  7	void (*arrange)(void);
  8} Layout;
  9
 10unsigned int blw = 0;
 11static Layout *lt = NULL;
 12
 13/* static */
 14
 15static void
 16floating(void) {
 17	Client *c;
 18
 19	for(c = clients; c; c = c->next)
 20		if(isvisible(c))
 21			resize(c, c->x, c->y, c->w, c->h, True);
 22}
 23
 24static unsigned int nlayouts = 0;
 25
 26LAYOUTS
 27
 28/* extern */
 29
 30void
 31arrange(void) {
 32	Client *c;
 33
 34	for(c = clients; c; c = c->next)
 35		if(isvisible(c))
 36			unban(c);
 37		else
 38			ban(c);
 39	lt->arrange();
 40	focus(NULL);
 41	restack();
 42}
 43
 44void
 45focusclient(const char *arg) {
 46	Client *c;
 47   
 48	if(!sel || !arg)
 49		return;
 50	if(atoi(arg) < 0) {
 51		for(c = sel->prev; c && !isvisible(c); c = c->prev);
 52		if(!c) {
 53			for(c = clients; c && c->next; c = c->next);
 54			for(; c && !isvisible(c); c = c->prev);
 55		}
 56	}
 57	else {
 58		for(c = sel->next; c && !isvisible(c); c = c->next);
 59		if(!c)
 60			for(c = clients; c && !isvisible(c); c = c->next);
 61	}
 62	if(c) {
 63		focus(c);
 64		restack();
 65	}
 66}
 67
 68const char *
 69getsymbol(void)
 70{
 71	return lt->symbol;
 72}
 73
 74Bool
 75isfloating(void) {
 76	return lt->arrange == floating;
 77}
 78
 79Bool
 80isarrange(void (*func)())
 81{
 82	return func == lt->arrange;
 83}
 84
 85void
 86initlayouts(void) {
 87	unsigned int i, w;
 88
 89	lt = &layout[0];
 90	nlayouts = sizeof layout / sizeof layout[0];
 91	for(blw = i = 0; i < nlayouts; i++) {
 92		w = textw(layout[i].symbol);
 93		if(w > blw)
 94			blw = w;
 95	}
 96}
 97
 98Client *
 99nexttiled(Client *c) {
100	for(; c && (c->isfloating || !isvisible(c)); c = c->next);
101	return c;
102}
103
104void
105restack(void) {
106	Client *c;
107	XEvent ev;
108	XWindowChanges wc;
109
110	drawstatus();
111	if(!sel)
112		return;
113	if(sel->isfloating || lt->arrange == floating)
114		XRaiseWindow(dpy, sel->win);
115	if(lt->arrange != floating) {
116		wc.stack_mode = Below;
117		wc.sibling = barwin;
118		if(!sel->isfloating) {
119			XConfigureWindow(dpy, sel->win, CWSibling | CWStackMode, &wc);
120			wc.sibling = sel->win;
121		}
122		for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
123			if(c == sel)
124				continue;
125			XConfigureWindow(dpy, c->win, CWSibling | CWStackMode, &wc);
126			wc.sibling = c->win;
127		}
128	}
129	XSync(dpy, False);
130	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
131}
132
133void
134setlayout(const char *arg) {
135	int i;
136
137	if(!arg) {
138		lt++;
139		if(lt == layout + nlayouts)
140			lt = layout;
141	}
142	else {
143		i = atoi(arg);
144		if(i < 0 || i >= nlayouts)
145			return;
146		lt = &layout[i];
147	}
148	if(sel)
149		arrange();
150	else
151		drawstatus();
152}
153
154void
155togglebar(const char *arg) {
156	if(bpos == BarOff)
157		bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
158	else
159		bpos = BarOff;
160	updatebarpos();
161	arrange();
162}
163
164void
165togglemax(const char *arg) {
166	XEvent ev;
167
168	if(!sel || (lt->arrange != floating && !sel->isfloating) || sel->isfixed)
169		return;
170	if((sel->ismax = !sel->ismax)) {
171		sel->rx = sel->x;
172		sel->ry = sel->y;
173		sel->rw = sel->w;
174		sel->rh = sel->h;
175		resize(sel, wax, way, waw - 2 * sel->border, wah - 2 * sel->border, True);
176	}
177	else
178		resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, True);
179	drawstatus();
180	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
181}