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/* See LICENSE file for copyright and license details. */
#include "dwm.h"
#include <stdlib.h>
#include <string.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
/* static */
typedef struct {
const char *symbol;
void (*arrange)(void);
} Layout;
unsigned int blw = 0;
static char prop[128];
static unsigned int ltidx = 0; /* default */
static void
floating(void) { /* default floating layout */
Client *c;
for(c = clients; c; c = c->next)
if(isvisible(c))
resize(c, c->x, c->y, c->w, c->h, True);
}
static unsigned int nlayouts = 0;
LAYOUTS
/* extern */
void
arrange(void) {
Client *c;
for(c = clients; c; c = c->next)
if(isvisible(c))
unban(c);
else
ban(c);
layouts[ltidx].arrange();
focus(NULL);
restack();
}
void
focusnext(const char *arg) {
Client *c;
if(!sel)
return;
for(c = sel->next; c && !isvisible(c); c = c->next);
if(!c)
for(c = clients; c && !isvisible(c); c = c->next);
if(c) {
focus(c);
restack();
}
}
void
focusprev(const char *arg) {
Client *c;
if(!sel)
return;
for(c = sel->prev; c && !isvisible(c); c = c->prev);
if(!c) {
for(c = clients; c && c->next; c = c->next);
for(; c && !isvisible(c); c = c->prev);
}
if(c) {
focus(c);
restack();
}
}
const char *
getsymbol(void)
{
return layouts[ltidx].symbol;
}
Bool
isfloating(void) {
return layouts[ltidx].arrange == floating;
}
Bool
isarrange(void (*func)())
{
return func == layouts[ltidx].arrange;
}
void
initlayouts(void) {
unsigned int i, w;
nlayouts = sizeof layouts / sizeof layouts[0];
for(blw = i = 0; i < nlayouts; i++) {
w = textw(layouts[i].symbol);
if(w > blw)
blw = w;
}
}
void
loaddwmprops(void) {
unsigned int i;
if(gettextprop(root, dwmprops, prop, sizeof prop)) {
for(i = 0; i < ntags && i < sizeof prop - 1 && prop[i] != '\0'; i++)
seltags[i] = prop[i] == '1';
if(i < sizeof prop - 1 && prop[i] != '\0') {
if(prop[i] < nlayouts)
ltidx = prop[i];
}
}
}
Client *
nexttiled(Client *c) {
for(; c && (c->isfloating || !isvisible(c)); c = c->next);
return c;
}
void
restack(void) {
Client *c;
XEvent ev;
XWindowChanges wc;
drawstatus();
if(!sel)
return;
if(sel->isfloating || isfloating())
XRaiseWindow(dpy, sel->win);
if(!isfloating()) {
wc.stack_mode = Below;
wc.sibling = barwin;
if(!sel->isfloating) {
XConfigureWindow(dpy, sel->win, CWSibling | CWStackMode, &wc);
wc.sibling = sel->win;
}
for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
if(c == sel)
continue;
XConfigureWindow(dpy, c->win, CWSibling | CWStackMode, &wc);
wc.sibling = c->win;
}
}
XSync(dpy, False);
while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}
void
savedwmprops(void) {
unsigned int i;
for(i = 0; i < ntags && i < sizeof prop - 1; i++)
prop[i] = seltags[i] ? '1' : '0';
if(i < sizeof prop - 1)
prop[i++] = (char)ltidx;
prop[i] = '\0';
XChangeProperty(dpy, root, dwmprops, XA_STRING, 8,
PropModeReplace, (unsigned char *)prop, i);
}
void
setlayout(const char *arg) {
int i;
if(!arg) {
if(++ltidx == nlayouts)
ltidx = 0;;
}
else {
i = atoi(arg);
if(i < 0 || i >= nlayouts)
return;
ltidx = i;
}
if(sel)
arrange();
else
drawstatus();
savedwmprops();
}
void
togglebar(const char *arg) {
if(bpos == BarOff)
bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
else
bpos = BarOff;
updatebarpos();
arrange();
}
void
togglemax(const char *arg) {
XEvent ev;
if(!sel || (!isfloating() && !sel->isfloating) || sel->isfixed)
return;
if((sel->ismax = !sel->ismax)) {
sel->rx = sel->x;
sel->ry = sel->y;
sel->rw = sel->w;
sel->rh = sel->h;
resize(sel, wax, way, waw - 2 * sel->border, wah - 2 * sel->border, True);
}
else
resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, True);
drawstatus();
while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}
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