* in O(1) time.
*
* Each child of the root window is called a client, except windows which have
- * set the override_redirect flag. Clients are organized in a global
- * linked client list, the focus history is remembered through a global
- * stack list. Each client contains a bit array to indicate the tags of a
+ * set the override_redirect flag. Clients are organized in a linked client
+ * list on each monitor, the focus history is remembered through a stack list
+ * on each monitor. Each client contains a bit array to indicate the tags of a
* client.
*
* Keys and tagging rules are organized as arrays and defined in config.h.
static void detach(Client *c);
static void detachstack(Client *c);
static void die(const char *errstr, ...);
+static Monitor *dirtomon(int dir);
static void drawbar(Monitor *m);
static void drawbars(void);
static void drawsquare(Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]);
static Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
static void grabbuttons(Client *c, Bool focused);
static void grabkeys(void);
-static Monitor *idxtomon(unsigned int n);
static void initfont(const char *fontstr);
static Bool isprotodel(Client *c);
static void keypress(XEvent *e);
/* variables */
static char stext[256];
static int screen;
-static int sw, sh; /* X display screen geometry x, y, width, height */
+static int sw, sh; /* X display screen geometry x, y, width, height */
static int bh, blw = 0; /* bar geometry */
static int (*xerrorxlib)(Display *, XErrorEvent *);
static unsigned int numlockmask = 0;
static Layout *lt[] = { NULL, NULL };
static Monitor *mons = NULL, *selmon = NULL;
static Window root;
+
/* configuration, allows nested code to access above variables */
#include "config.h"
r = &rules[i];
if((!r->title || strstr(c->name, r->title))
&& (!r->class || (ch.res_class && strstr(ch.res_class, r->class)))
- && (!r->instance || (ch.res_name && strstr(ch.res_name, r->instance)))) {
+ && (!r->instance || (ch.res_name && strstr(ch.res_name, r->instance))))
+ {
c->isfloating = r->isfloating;
c->tags |= r->tags;
}
/* set minimum possible */
*w = MAX(1, *w);
*h = MAX(1, *h);
-
if(interact) {
if(*x > sw)
*x = sw - WIDTH(c);
*h = bh;
if(*w < bh)
*w = bh;
-
if(resizehints || c->isfloating) {
/* see last two sentences in ICCCM 4.1.2.3 */
baseismin = c->basew == c->minw && c->baseh == c->minh;
-
if(!baseismin) { /* temporarily remove base dimensions */
*w -= c->basew;
*h -= c->baseh;
}
-
/* adjust for aspect limits */
if(c->mina > 0 && c->maxa > 0) {
if(c->maxa < (float)*w / *h)
else if(c->mina < (float)*h / *w)
*h = *w * c->mina;
}
-
if(baseismin) { /* increment calculation requires this */
*w -= c->basew;
*h -= c->baseh;
}
-
/* adjust for increment value */
if(c->incw)
*w -= *w % c->incw;
if(c->inch)
*h -= *h % c->inch;
-
/* restore base dimensions */
*w += c->basew;
*h += c->baseh;
-
*w = MAX(*w, c->minw);
*h = MAX(*h, c->minh);
-
if(c->maxw)
*w = MIN(*w, c->maxw);
-
if(c->maxh)
*h = MIN(*h, c->maxh);
}
focus(c);
click = ClkClientWin;
}
-
for(i = 0; i < LENGTH(buttons); i++)
if(click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button
&& CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
checkotherwm(void) {
otherwm = False;
xerrorxlib = XSetErrorHandler(xerrorstart);
-
/* this causes an error if some other window manager is running */
XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask);
XSync(dpy, False);
exit(EXIT_FAILURE);
}
+Monitor *
+dirtomon(int dir) {
+ Monitor *m = NULL;
+
+ if(dir > 0) {
+ if(!(m = selmon->next))
+ m = mons;
+ }
+ else {
+ if(selmon == mons)
+ for(m = mons; m->next; m = m->next);
+ else
+ for(m = mons; m->next != selmon; m = m->next);
+ }
+ return m;
+}
+
void
drawbar(Monitor *m) {
int x;
if(c->isurgent)
urg |= c->tags;
}
-
dc.x = 0;
if(mons->next) { /* more than a single monitor */
dc.w = TEXTW(monsyms[m->screen_number]);
}
drawtext(stext, dc.norm, False);
}
- else {
+ else
dc.x = m->ww;
- }
if((dc.w = dc.x - x) > bh) {
dc.x = x;
if(m->sel) {
void
focusmon(const Arg *arg) {
- Monitor *m;
+ Monitor *m = NULL;
- if(!(m = idxtomon(arg->ui)) || m == selmon)
+ if(!mons->next)
return;
+ m = dirtomon(arg->i);
unfocus(selmon->sel);
selmon = m;
focus(NULL);
int di;
unsigned int dui;
Window dummy;
+
return XQueryPointer(dpy, root, &dummy, &dummy, x, y, &di, &di, &dui);
}
strncpy(text, (char *)name.value, size - 1);
else {
if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
- && n > 0 && *list) {
+ && n > 0 && *list)
+ {
strncpy(text, *list, size - 1);
XFreeStringList(list);
}
buttons[i].mask | modifiers[j],
c->win, False, BUTTONMASK,
GrabModeAsync, GrabModeSync, None, None);
- } else
+ }
+ else
XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
}
void
grabkeys(void) {
updatenumlockmask();
- { /* grab keys */
+ {
unsigned int i, j;
unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
KeyCode code;
}
}
-Monitor *
-idxtomon(unsigned int n) {
- unsigned int i;
- Monitor *m;
-
- for(m = mons, i = 0; m && i != n; m = m->next, i++);
- return m;
-}
-
void
initfont(const char *fontstr) {
char *def, **missing;
die("fatal: could not malloc() %u bytes\n", sizeof(Client));
*c = cz;
c->win = w;
-
if(XGetTransientForHint(dpy, w, &trans))
t = wintoclient(trans);
if(t) {
c->mon = selmon;
applyrules(c);
}
-
/* geometry */
c->x = wa->x + c->mon->wx;
c->y = wa->y + c->mon->wy;
&& (c->x + (c->w / 2) < c->mon->wx + c->mon->ww)) ? bh : c->mon->my);
c->bw = borderpx;
}
-
wc.border_width = c->bw;
XConfigureWindow(dpy, w, CWBorderWidth, &wc);
XSetWindowBorder(dpy, w, dc.norm[ColBorder]);
case MotionNotify:
nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
-
if(snap && nw >= selmon->wx && nw <= selmon->wx + selmon->ww
&& nh >= selmon->wy && nh <= selmon->wy + selmon->wh) {
if(!c->isfloating && lt[selmon->sellt]->arrange
void
setclientstate(Client *c, long state) {
- long data[] = {state, None};
+ long data[] = { state, None };
XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
PropModeReplace, (unsigned char *)data, 2);
lt[0] = &layouts[0];
lt[1] = &layouts[1 % LENGTH(layouts)];
updategeom();
-
/* init atoms */
wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
-
/* init cursors */
cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
-
/* init appearance */
dc.norm[ColBorder] = getcolor(normbordercolor);
dc.norm[ColBG] = getcolor(normbgcolor);
XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
if(!dc.font.set)
XSetFont(dpy, dc.gc, dc.font.xfont->fid);
-
/* init bars */
for(blw = i = 0; LENGTH(layouts) > 1 && i < LENGTH(layouts); i++) {
w = TEXTW(layouts[i].symbol);
}
updatebars();
updatestatus();
-
/* EWMH support per view */
XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
PropModeReplace, (unsigned char *) netatom, NetLast);
-
/* select for events */
wa.cursor = cursor[CurNormal];
wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask
|PropertyChangeMask;
XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
XSelectInput(dpy, root, wa.event_mask);
-
grabkeys();
}
void
tagmon(const Arg *arg) {
- Monitor *m;
-
- if(!selmon->sel || !(m = idxtomon(arg->ui)))
+ if(!selmon->sel || !mons->next)
return;
- sendmon(selmon->sel, m);
+ sendmon(selmon->sel, dirtomon(arg->i));
}
int
for(n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);
if(n == 0)
return;
-
/* master */
c = nexttiled(m->clients);
mw = m->mfact * m->ww;
resize(c, m->wx, m->wy, (n == 1 ? m->ww : mw) - 2 * c->bw, m->wh - 2 * c->bw, False);
-
if(--n == 0)
return;
-
/* tile stack */
x = (m->wx + mw > c->x + c->w) ? c->x + c->w + 2 * c->bw : m->wx + mw;
y = m->wy;
h = m->wh / n;
if(h < bh)
h = m->wh;
-
for(i = 0, c = nexttiled(c->next); c; c = nexttiled(c->next), i++) {
resize(c, x, y, w - 2 * c->bw, /* remainder */ ((i + 1 == n)
? m->wy + m->wh - y - 2 * c->bw : h - 2 * c->bw), False);
if(!selmon->sel)
return;
-
mask = selmon->sel->tags ^ (arg->ui & TAGMASK);
if(mask) {
selmon->sel->tags = mask;
wa.override_redirect = True;
wa.background_pixmap = ParentRelative;
wa.event_mask = ButtonPressMask|ExposureMask;
-
for(m = mons; m; m = m->next) {
m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
-
CopyFromParent, DefaultVisual(dpy, screen),
CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
XDefineCursor(dpy, m->barwin, cursor[CurNormal]);
m->next = newmons;
newmons = m;
}
-
/* initialise monitor(s) */
#ifdef XINERAMA
if(XineramaIsActive(dpy)) {
m->mw = m->ww = sw;
m->mh = m->wh = sh;
}
-
/* bar geometry setup */
for(m = newmons; m; m = m->next) {
m->sel = m->stack = m->clients = NULL;
m->topbar = TOPBAR;
updatebarpos(m);
}
-
/* reassign left over clients of disappeared monitors */
for(tm = mons; tm; tm = tm->next)
while(tm->clients) {
attach(c);
attachstack(c);
}
-
/* select focused monitor */
cleanupmons();
selmon = mons = newmons;
}
else
c->isurgent = (wmh->flags & XUrgencyHint) ? True : False;
-
XFree(wmh);
}
}
zoom(const Arg *arg) {
Client *c = selmon->sel;
- if(!lt[selmon->sellt]->arrange || lt[selmon->sellt]->arrange == monocle || (selmon->sel && selmon->sel->isfloating))
+ if(!lt[selmon->sellt]->arrange
+ || lt[selmon->sellt]->arrange == monocle
+ || (selmon->sel && selmon->sel->isfloating))
return;
if(c == nexttiled(selmon->clients))
if(!c || !(c = nexttiled(c->next)))
die("dwm-"VERSION", © 2006-2009 dwm engineers, see LICENSE for details\n");
else if(argc != 1)
die("usage: dwm [-v]\n");
-
if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
fputs("warning: no locale support\n", stderr);
-
if(!(dpy = XOpenDisplay(NULL)))
die("dwm: cannot open display\n");
-
checkotherwm();
setup();
scan();
run();
cleanup();
-
XCloseDisplay(dpy);
return 0;
}
Got questions, comments, patches, etc.? Contact Jason Woofenden