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/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
#include "dwm.h"
unsigned int master = MASTER;
unsigned int nmaster = NMASTER;
unsigned int blw = 0;
Layout *lt = NULL;
/* static */
static unsigned int nlayouts = 0;
static void
tile(void) {
unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
Client *c;
for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
n++;
/* window geoms */
mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
mw = (n > nmaster) ? (waw * master) / 1000 : waw;
th = (n > nmaster) ? wah / (n - nmaster) : 0;
tw = waw - mw;
for(i = 0, c = clients; c; c = c->next)
if(isvisible(c)) {
if(c->isbanned)
XMoveWindow(dpy, c->win, c->x, c->y);
c->isbanned = False;
if(c->isversatile)
continue;
c->ismax = False;
nx = wax;
ny = way;
if(i < nmaster) {
ny += i * mh;
nw = mw - 2 * BORDERPX;
nh = mh - 2 * BORDERPX;
}
else { /* tile window */
nx += mw;
nw = tw - 2 * BORDERPX;
if(th > 2 * BORDERPX) {
ny += (i - nmaster) * th;
nh = th - 2 * BORDERPX;
}
else /* fallback if th <= 2 * BORDERPX */
nh = wah - 2 * BORDERPX;
}
resize(c, nx, ny, nw, nh, False);
i++;
}
else {
c->isbanned = True;
XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
}
if(!sel || !isvisible(sel)) {
for(c = stack; c && !isvisible(c); c = c->snext);
focus(c);
}
restack();
}
LAYOUTS
/* extern */
void
incnmaster(Arg *arg) {
if((lt->arrange != tile) || (nmaster + arg->i < 1)
|| (wah / (nmaster + arg->i) <= 2 * BORDERPX))
return;
nmaster += arg->i;
if(sel)
lt->arrange();
else
drawstatus();
}
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;
}
}
void
resizemaster(Arg *arg) {
if(lt->arrange != tile)
return;
if(arg->i == 0)
master = MASTER;
else {
if(waw * (master + arg->i) / 1000 >= waw - 2 * BORDERPX
|| waw * (master + arg->i) / 1000 <= 2 * BORDERPX)
return;
master += arg->i;
}
lt->arrange();
}
void
restack(void) {
Client *c;
XEvent ev;
drawstatus();
if(!sel)
return;
if(sel->isversatile || lt->arrange == versatile)
XRaiseWindow(dpy, sel->win);
if(lt->arrange != versatile) {
if(!sel->isversatile)
XLowerWindow(dpy, sel->win);
for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
if(c == sel)
continue;
XLowerWindow(dpy, c->win);
}
}
XSync(dpy, False);
while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}
void
setlayout(Arg *arg) {
unsigned int i;
if(arg->i == -1) {
for(i = 0; i < nlayouts && lt != &layout[i]; i++);
if(i == nlayouts - 1)
lt = &layout[0];
else
lt = &layout[++i];
}
else {
if(arg->i < 0 || arg->i >= nlayouts)
return;
lt = &layout[arg->i];
}
if(sel)
lt->arrange();
else
drawstatus();
}
void
toggleversatile(Arg *arg) {
if(!sel || lt->arrange == versatile)
return;
sel->isversatile = !sel->isversatile;
lt->arrange();
}
void
versatile(void) {
Client *c;
for(c = clients; c; c = c->next) {
if(isvisible(c)) {
if(c->isbanned)
XMoveWindow(dpy, c->win, c->x, c->y);
c->isbanned = False;
resize(c, c->x, c->y, c->w, c->h, True);
}
else {
c->isbanned = True;
XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
}
}
if(!sel || !isvisible(sel)) {
for(c = stack; c && !isvisible(c); c = c->snext);
focus(c);
}
restack();
}
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