Configuration of dwm for Mac Computers
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/* See LICENSE file for copyright and license details. */
#include "dwm.h"
#include <regex.h>
#include <stdio.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;
typedef struct {
const char *prop;
const char *tags;
Bool isfloating;
} Rule;
typedef struct {
regex_t *propregex;
regex_t *tagregex;
} Regs;
TAGS
RULES
static char prop[512];
static unsigned int nrules = 0;
static unsigned int nlayouts = 0;
static unsigned int ltidx = 0; /* default */
static Regs *regs = NULL;
static unsigned int
idxoftag(const char *tag) {
unsigned int i;
for(i = 0; i < ntags; i++)
if(tags[i] == tag)
return i;
return 0;
}
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 void
setdwmprops(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 + '0';
prop[i] = '\0';
XChangeProperty(dpy, root, dwmprops, XA_STRING, 8,
PropModeReplace, (unsigned char *)prop, i);
}
LAYOUTS
/* extern */
unsigned int blw = 0;
void
applyrules(Client *c) {
unsigned int i, j;
regmatch_t tmp;
Bool matched = False;
XClassHint ch = { 0 };
/* rule matching */
XGetClassHint(dpy, c->win, &ch);
snprintf(prop, sizeof prop, "%s:%s:%s",
ch.res_class ? ch.res_class : "",
ch.res_name ? ch.res_name : "", c->name);
for(i = 0; i < nrules; i++)
if(regs[i].propregex && !regexec(regs[i].propregex, prop, 1, &tmp, 0)) {
c->isfloating = rules[i].isfloating;
for(j = 0; regs[i].tagregex && j < ntags; j++) {
if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
matched = True;
c->tags[j] = True;
}
}
}
if(ch.res_class)
XFree(ch.res_class);
if(ch.res_name)
XFree(ch.res_name);
if(!matched)
for(i = 0; i < ntags; i++)
c->tags[i] = seltags[i];
}
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
compileregs(void) {
unsigned int i;
regex_t *reg;
if(regs)
return;
nrules = sizeof rules / sizeof rules[0];
regs = emallocz(nrules * sizeof(Regs));
for(i = 0; i < nrules; i++) {
if(rules[i].prop) {
reg = emallocz(sizeof(regex_t));
if(regcomp(reg, rules[i].prop, REG_EXTENDED))
free(reg);
else
regs[i].propregex = reg;
}
if(rules[i].tags) {
reg = emallocz(sizeof(regex_t));
if(regcomp(reg, rules[i].tags, REG_EXTENDED))
free(reg);
else
regs[i].tagregex = reg;
}
}
}
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;
}
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;
}
}
Bool
isfloating(void) {
return layouts[ltidx].arrange == floating;
}
Bool
isarrange(void (*func)())
{
return func == layouts[ltidx].arrange;
}
Bool
isvisible(Client *c) {
unsigned int i;
for(i = 0; i < ntags; i++)
if(c->tags[i] && seltags[i])
return True;
return False;
}
void
getdwmprops(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((unsigned int)(prop[i] - '0') < nlayouts)
ltidx = prop[i] - '0';
}
}
}
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
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();
setdwmprops();
}
void
tag(const char *arg) {
unsigned int i;
if(!sel)
return;
for(i = 0; i < ntags; i++)
sel->tags[i] = arg == NULL;
i = idxoftag(arg);
if(i >= 0 && i < ntags)
sel->tags[i] = True;
setprops(sel);
arrange();
}
void
togglebar(const char *arg) {
if(bpos == BarOff)
bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
else
bpos = BarOff;
updatebarpos();
arrange();
}
void
togglefloating(const char *arg) {
if(!sel || isfloating())
return;
sel->isfloating = !sel->isfloating;
if(sel->isfloating) {
resize(sel, sel->x, sel->y, sel->w, sel->h, True);
setprops(sel);
}
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));
}
void
toggletag(const char *arg) {
unsigned int i, j;
if(!sel)
return;
i = idxoftag(arg);
sel->tags[i] = !sel->tags[i];
for(j = 0; j < ntags && !sel->tags[j]; j++);
if(j == ntags)
sel->tags[i] = True;
setprops(sel);
arrange();
}
void
toggleview(const char *arg) {
unsigned int i, j;
i = idxoftag(arg);
seltags[i] = !seltags[i];
for(j = 0; j < ntags && !seltags[j]; j++);
if(j == ntags)
seltags[i] = True; /* cannot toggle last view */
setdwmprops();
arrange();
}
void
updatebarpos(void) {
XEvent ev;
wax = sx;
way = sy;
wah = sh;
waw = sw;
switch(bpos) {
default:
wah -= bh;
way += bh;
XMoveWindow(dpy, barwin, sx, sy);
break;
case BarBot:
wah -= bh;
XMoveWindow(dpy, barwin, sx, sy + wah);
break;
case BarOff:
XMoveWindow(dpy, barwin, sx, sy - bh);
break;
}
XSync(dpy, False);
while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}
void
view(const char *arg) {
unsigned int i;
for(i = 0; i < ntags; i++)
seltags[i] = arg == NULL;
i = idxoftag(arg);
if(i >= 0 && i < ntags)
seltags[i] = True;
setdwmprops();
arrange();
}