1/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
  2 * See LICENSE file for license details.
  3 */
  4#include "dwm.h"
  5
  6/* extern */
  7
  8void (*arrange)(void) = DEFMODE;
  9
 10void
 11detach(Client *c) {
 12	if(c->prev)
 13		c->prev->next = c->next;
 14	if(c->next)
 15		c->next->prev = c->prev;
 16	if(c == clients)
 17		clients = c->next;
 18	c->next = c->prev = NULL;
 19}
 20
 21void
 22dofloat(void) {
 23	Client *c;
 24
 25	for(c = clients; c; c = c->next) {
 26		if(isvisible(c)) {
 27			if(c->isbanned)
 28				XMoveWindow(dpy, c->win, c->x, c->y);
 29			c->isbanned = False;
 30			resize(c, c->x, c->y, c->w, c->h, True);
 31		}
 32		else {
 33			c->isbanned = True;
 34			XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
 35		}
 36	}
 37	if(!sel || !isvisible(sel)) {
 38		for(c = stack; c && !isvisible(c); c = c->snext);
 39		focus(c);
 40	}
 41	restack();
 42}
 43
 44void
 45focusnext(Arg *arg) {
 46	Client *c;
 47   
 48	if(!sel)
 49		return;
 50	for(c = sel->next; c && !isvisible(c); c = c->next);
 51	if(!c)
 52		for(c = clients; c && !isvisible(c); c = c->next);
 53	if(c) {
 54		focus(c);
 55		restack();
 56	}
 57}
 58
 59void
 60focusprev(Arg *arg) {
 61	Client *c;
 62
 63	if(!sel)
 64		return;
 65	for(c = sel->prev; c && !isvisible(c); c = c->prev);
 66	if(!c) {
 67		for(c = clients; c && c->next; c = c->next);
 68		for(; c && !isvisible(c); c = c->prev);
 69	}
 70	if(c) {
 71		focus(c);
 72		restack();
 73	}
 74}
 75
 76Bool
 77isvisible(Client *c) {
 78	unsigned int i;
 79
 80	for(i = 0; i < ntags; i++)
 81		if(c->tags[i] && seltag[i])
 82			return True;
 83	return False;
 84}
 85
 86Client *
 87nextmanaged(Client *c) {
 88	for(; c && (c->isfloat || !isvisible(c)); c = c->next);
 89	return c;
 90}
 91
 92void
 93restack(void) {
 94	Client *c;
 95	XEvent ev;
 96
 97	drawstatus();
 98	if(!sel)
 99		return;
100	if(sel->isfloat || arrange == dofloat)
101		XRaiseWindow(dpy, sel->win);
102	if(arrange != dofloat) {
103		if(!sel->isfloat)
104			XLowerWindow(dpy, sel->win);
105		for(c = nextmanaged(clients); c; c = nextmanaged(c->next)) {
106			if(c == sel)
107				continue;
108			XLowerWindow(dpy, c->win);
109		}
110	}
111	XSync(dpy, False);
112	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
113}
114
115void
116togglefloat(Arg *arg) {
117	if(!sel || arrange == dofloat)
118		return;
119	sel->isfloat = !sel->isfloat;
120	arrange();
121}
122
123void
124togglemode(Arg *arg) {
125	arrange = (arrange == dofloat) ? dotile : dofloat;
126	if(sel)
127		arrange();
128	else
129		drawstatus();
130}
131
132void
133toggleview(Arg *arg) {
134	unsigned int i;
135
136	seltag[arg->i] = !seltag[arg->i];
137	for(i = 0; i < ntags && !seltag[i]; i++);
138	if(i == ntags)
139		seltag[arg->i] = True; /* cannot toggle last view */
140	arrange();
141}
142
143void
144view(Arg *arg) {
145	unsigned int i;
146
147	for(i = 0; i < ntags; i++)
148		seltag[i] = (arg->i == -1) ? True : False;
149	if(arg->i >= 0 && arg->i < ntags)
150		seltag[arg->i] = True;
151	arrange();
152}
153