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309 lines
4.5 KiB
309 lines
4.5 KiB
/*
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* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
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* See LICENSE file for license details.
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*/
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#include "dwm.h"
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/* static */
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static Client *
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getslot(Client *c)
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{
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unsigned int i, tic;
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Client *p;
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for(tic = 0; tic < ntags && !c->tags[tic]; tic++);
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for(p = clients; p; p = p->next) {
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for(i = 0; i < ntags && !p->tags[i]; i++);
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if(tic < i)
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return p;
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}
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return p;
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}
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static Client *
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tail()
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{
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Client *c;
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for(c = clients; c && c->next; c = c->next);
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return c;
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}
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/* extern */
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void (*arrange)(Arg *) = DEFMODE;
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void
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attach(Client *c)
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{
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Client *p;
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if(!clients) {
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clients = c;
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return;
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}
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if(!(p = getnext(clients)) && !(p = getslot(c))) {
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p = tail();
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c->prev = p;
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p->next = c;
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return;
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}
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if(p == clients) {
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c->next = clients;
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clients->prev = c;
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clients = c;
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}
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else {
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p->prev->next = c;
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c->prev = p->prev;
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p->prev = c;
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c->next = p;
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}
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}
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void
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detach(Client *c)
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{
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if(c->prev)
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c->prev->next = c->next;
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if(c->next)
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c->next->prev = c->prev;
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if(c == clients)
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clients = c->next;
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c->next = c->prev = NULL;
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}
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void
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dofloat(Arg *arg)
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{
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Client *c;
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for(c = clients; c; c = c->next) {
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c->ismax = False;
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if(isvisible(c)) {
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resize(c, True, TopLeft);
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}
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else
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ban(c);
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}
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if(!sel || !isvisible(sel))
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sel = getnext(clients);
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if(sel)
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focus(sel);
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else
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XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
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restack();
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}
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void
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dotile(Arg *arg)
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{
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int h, i, n, w;
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Client *c;
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w = sw - mw;
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for(n = 0, c = clients; c; c = c->next)
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if(isvisible(c) && !c->isfloat)
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n++;
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if(n > 1)
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h = (sh - bh) / (n - 1);
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else
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h = sh - bh;
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for(i = 0, c = clients; c; c = c->next) {
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c->ismax = False;
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if(isvisible(c)) {
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if(c->isfloat) {
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resize(c, True, TopLeft);
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continue;
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}
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if(n == 1) {
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c->x = sx;
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c->y = sy + bh;
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c->w = sw - 2;
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c->h = sh - 2 - bh;
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}
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else if(i == 0) {
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c->x = sx;
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c->y = sy + bh;
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c->w = mw - 2;
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c->h = sh - 2 - bh;
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}
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else if(h > bh) {
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c->x = sx + mw;
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c->y = sy + (i - 1) * h + bh;
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c->w = w - 2;
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if(i + 1 == n)
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c->h = sh - c->y - 2;
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else
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c->h = h - 2;
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}
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else { /* fallback if h < bh */
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c->x = sx + mw;
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c->y = sy + bh;
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c->w = w - 2;
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c->h = sh - 2 - bh;
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}
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resize(c, False, TopLeft);
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i++;
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}
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else
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ban(c);
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}
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if(!sel || !isvisible(sel))
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sel = getnext(clients);
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if(sel)
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focus(sel);
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else
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XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
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restack();
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}
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void
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focusnext(Arg *arg)
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{
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Client *c;
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if(!sel)
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return;
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if(!(c = getnext(sel->next)))
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c = getnext(clients);
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if(c) {
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focus(c);
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restack();
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}
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}
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void
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focusprev(Arg *arg)
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{
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Client *c;
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if(!sel)
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return;
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if(!(c = getprev(sel->prev))) {
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for(c = clients; c && c->next; c = c->next);
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c = getprev(c);
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}
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if(c) {
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focus(c);
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restack();
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}
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}
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Bool
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isvisible(Client *c)
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{
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unsigned int i;
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for(i = 0; i < ntags; i++)
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if(c->tags[i] && seltag[i])
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return True;
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return False;
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}
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void
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restack()
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{
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static unsigned int nwins = 0;
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static Window *wins = NULL;
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unsigned int f, fi, m, mi, n;
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Client *c;
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XEvent ev;
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for(f = 0, m = 0, c = clients; c; c = c->next)
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if(isvisible(c)) {
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if(c->isfloat || arrange == dofloat)
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f++;
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else
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m++;
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}
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if(!(n = 2 * (f + m))) {
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drawstatus();
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return;
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}
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if(nwins < n) {
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nwins = n;
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wins = erealloc(wins, nwins * sizeof(Window));
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}
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fi = 0;
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mi = 2 * f;
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if(sel->isfloat || arrange == dofloat) {
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wins[fi++] = sel->twin;
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wins[fi++] = sel->win;
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}
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else {
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wins[mi++] = sel->twin;
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wins[mi++] = sel->win;
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}
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for(c = clients; c; c = c->next)
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if(isvisible(c) && c != sel) {
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if(c->isfloat || arrange == dofloat) {
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wins[fi++] = c->twin;
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wins[fi++] = c->win;
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}
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else {
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wins[mi++] = c->twin;
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wins[mi++] = c->win;
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}
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}
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XRestackWindows(dpy, wins, n);
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drawall();
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XSync(dpy, False);
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while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
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}
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void
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togglemode(Arg *arg)
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{
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arrange = (arrange == dofloat) ? dotile : dofloat;
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if(sel)
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arrange(NULL);
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else
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drawstatus();
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}
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void
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toggleview(Arg *arg)
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{
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unsigned int i;
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seltag[arg->i] = !seltag[arg->i];
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for(i = 0; i < ntags && !seltag[i]; i++);
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if(i == ntags)
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seltag[arg->i] = True; /* cannot toggle last view */
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arrange(NULL);
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}
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void
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view(Arg *arg)
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{
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unsigned int i;
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for(i = 0; i < ntags; i++)
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seltag[i] = False;
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seltag[arg->i] = True;
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arrange(NULL);
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}
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void
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zoom(Arg *arg)
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{
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Client *c = sel;
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if(!c || (arrange != dotile) || c->isfloat || c->ismax)
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return;
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if(c == getnext(clients))
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if(!(c = getnext(c->next)))
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return;
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detach(c);
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attach(c);
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focus(c);
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arrange(NULL);
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}
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