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path: root/client.c
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/*
 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
 * See LICENSE file for license details.
 */
#include "dwm.h"
#include <stdlib.h>
#include <string.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>

/* static functions */

static void
resizetitle(Client *c)
{
	int i;

	c->tw = 0;
	for(i = 0; i < ntags; i++)
		if(c->tags[i])
			c->tw += textw(tags[i]);
	c->tw += textw(c->name);
	if(c->tw > c->w)
		c->tw = c->w + 2;
	c->tx = c->x + c->w - c->tw + 2;
	c->ty = c->y;
	if(isvisible(c))
		XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);
	else
		XMoveResizeWindow(dpy, c->title, c->tx + 2 * sw, c->ty, c->tw, c->th);

}

static int
xerrordummy(Display *dsply, XErrorEvent *ee)
{
	return 0;
}

/* extern functions */

void
ban(Client *c)
{
	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
	XMoveWindow(dpy, c->title, c->tx + 2 * sw, c->ty);
}

void
focus(Client *c)
{
	Client *old = sel;

	if (!issel)
		return;
	if(sel && sel->ismax)
		togglemax(NULL);
	sel = c;
	if(old && old != c)
		drawtitle(old);
	drawtitle(c);
	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
}

void
focusnext(Arg *arg)
{
	Client *c;
   
	if(!sel)
		return;

	if(!(c = getnext(sel->next)))
		c = getnext(clients);
	if(c) {
		focus(c);
		restack();
	}
}

void
focusprev(Arg *arg)
{
	Client *c;

	if(!sel)
		return;

	if(!(c = getprev(sel->prev))) {
		for(c = clients; c && c->next; c = c->next);
		c = getprev(c);
	}
	if(c) {
		focus(c);
		restack();
	}
}

Client *
getclient(Window w)
{
	Client *c;

	for(c = clients; c; c = c->next)
		if(c->win == w)
			return c;
	return NULL;
}

Client *
getctitle(Window w)
{
	Client *c;

	for(c = clients; c; c = c->next)
		if(c->title == w)
			return c;
	return NULL;
}

void
gravitate(Client *c, Bool invert)
{
	int dx = 0, dy = 0;

	switch(c->grav) {
	default:
		break;
	case StaticGravity:
	case NorthWestGravity:
	case NorthGravity:
	case NorthEastGravity:
		dy = c->border;
		break;
	case EastGravity:
	case CenterGravity:
	case WestGravity:
		dy = -(c->h / 2) + c->border;
		break;
	case SouthEastGravity:
	case SouthGravity:
	case SouthWestGravity:
		dy = -(c->h);
		break;
	}

	switch (c->grav) {
	default:
		break;
	case StaticGravity:
	case NorthWestGravity:
	case WestGravity:
	case SouthWestGravity:
		dx = c->border;
		break;
	case NorthGravity:
	case CenterGravity:
	case SouthGravity:
		dx = -(c->w / 2) + c->border;
		break;
	case NorthEastGravity:
	case EastGravity:
	case SouthEastGravity:
		dx = -(c->w + c->border);
		break;
	}

	if(invert) {
		dx = -dx;
		dy = -dy;
	}
	c->x += dx;
	c->y += dy;
}

void
killclient(Arg *arg)
{
	if(!sel)
		return;
	if(sel->proto & PROTODELWIN)
		sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
	else
		XKillClient(dpy, sel->win);
}

void
manage(Window w, XWindowAttributes *wa)
{
	Client *c;
	Window trans;
	XSetWindowAttributes twa;

	c = emallocz(sizeof(Client));
	c->tags = emallocz(ntags * sizeof(Bool));
	c->win = w;
	c->x = c->tx = wa->x;
	c->y = c->ty = wa->y;
	c->w = c->tw = wa->width;
	c->h = wa->height;
	c->th = bh;

	c->border = 0;
	setsize(c);

	if(c->h != sh && c->y < bh)
		c->y = c->ty = bh;

	c->proto = getproto(c->win);
	XSelectInput(dpy, c->win,
		StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
	XGetTransientForHint(dpy, c->win, &trans);
	twa.override_redirect = 1;
	twa.background_pixmap = ParentRelative;
	twa.event_mask = ExposureMask | EnterWindowMask;

	c->title = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
			0, DefaultDepth(dpy, screen), CopyFromParent,
			DefaultVisual(dpy, screen),
			CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

	if(clients)
		clients->prev = c;
	c->next = clients;
	clients = c;

	XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);

	XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);

	XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);
	XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
			GrabModeAsync, GrabModeSync, None, None);

	settags(c);
	if(!c->isfloat)
		c->isfloat = trans
			|| (c->maxw && c->minw &&
				c->maxw == c->minw && c->maxh == c->minh);
	settitle(c);

	if(isvisible(c))
		sel = c;
	arrange(NULL);
	XMapWindow(dpy, c->win);
	XMapWindow(dpy, c->title);
	if(isvisible(c))
		focus(c);
}

void
resize(Client *c, Bool sizehints, Corner sticky)
{
	int bottom = c->y + c->h;
	int right = c->x + c->w;
	/*XConfigureEvent e;*/
	XWindowChanges wc;

	if(sizehints) {
		if(c->incw)
			c->w -= (c->w - c->basew) % c->incw;
		if(c->inch)
			c->h -= (c->h - c->baseh) % c->inch;
		if(c->minw && c->w < c->minw)
			c->w = c->minw;
		if(c->minh && c->h < c->minh)
			c->h = c->minh;
		if(c->maxw && c->w > c->maxw)
			c->w = c->maxw;
		if(c->maxh && c->h > c->maxh)
			c->h = c->maxh;
	}
	if(c->x > right) /* might happen on restart */
		c->x = right - c->w;
	if(c->y > bottom)
		c->y = bottom - c->h;
	if(sticky == TopRight || sticky == BotRight)
		c->x = right - c->w;
	if(sticky == BotLeft || sticky == BotRight)
		c->y = bottom - c->h;

	resizetitle(c);
	wc.x = c->x;
	wc.y = c->y;
	wc.width = c->w;
	wc.height = c->h;
	if(c->w == sw && c->h == sh)
		wc.border_width = 0;
	else
		wc.border_width = 1;
	XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
	XSync(dpy, False);
}

void
setsize(Client *c)
{
	long msize;
	XSizeHints size;

	if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
		size.flags = PSize;
	c->flags = size.flags;
	if(c->flags & PBaseSize) {
		c->basew = size.base_width;
		c->baseh = size.base_height;
	}
	else
		c->basew = c->baseh = 0;
	if(c->flags & PResizeInc) {
		c->incw = size.width_inc;
		c->inch = size.height_inc;
	}
	else
		c->incw = c->inch = 0;
	if(c->flags & PMaxSize) {
		c->maxw = size.max_width;
		c->maxh = size.max_height;
	}
	else
		c->maxw = c->maxh = 0;
	if(c->flags & PMinSize) {
		c->minw = size.min_width;
		c->minh = size.min_height;
	}
	else
		c->minw = c->minh = 0;
	if(c->flags & PWinGravity)
		c->grav = size.win_gravity;
	else
		c->grav = NorthWestGravity;
}

void
settitle(Client *c)
{
	char **list = NULL;
	int n;
	XTextProperty name;

	name.nitems = 0;
	c->name[0] = 0;
	XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
	if(!name.nitems)
		XGetWMName(dpy, c->win, &name);
	if(!name.nitems)
		return;
	if(name.encoding == XA_STRING)
		strncpy(c->name, (char *)name.value, sizeof(c->name));
	else {
		if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
				&& n > 0 && *list)
		{
			strncpy(c->name, *list, sizeof(c->name));
			XFreeStringList(list);
		}
	}
	XFree(name.value);
	resizetitle(c);
}

void
togglemax(Arg *arg)
{
	int ox, oy, ow, oh;
	XEvent ev;

	if(!sel)
		return;

	if((sel->ismax = !sel->ismax)) {
		ox = sel->x;
		oy = sel->y;
		ow = sel->w;
		oh = sel->h;
		sel->x = sx;
		sel->y = sy + bh;
		sel->w = sw - 2;
		sel->h = sh - 2 - bh;

		restack();
		resize(sel, arrange == dofloat, TopLeft);

		sel->x = ox;
		sel->y = oy;
		sel->w = ow;
		sel->h = oh;
	}
	else
		resize(sel, False, TopLeft);
	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}

void
unmanage(Client *c)
{
	XGrabServer(dpy);
	XSetErrorHandler(xerrordummy);

	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
	XDestroyWindow(dpy, c->title);

	if(c->prev)
		c->prev->next = c->next;
	if(c->next)
		c->next->prev = c->prev;
	if(c == clients)
		clients = c->next;
	if(sel == c)
		sel = getnext(clients);
	free(c->tags);
	free(c);

	XSync(dpy, False);
	XSetErrorHandler(xerror);
	XUngrabServer(dpy);
	if(sel)
		focus(sel);
	arrange(NULL);
}

void
zoom(Arg *arg)
{
	Client *c;

	if(!sel || (arrange != dotile) || sel->isfloat || sel->ismax)
		return;

	if(sel == getnext(clients))  {
		if((c = getnext(sel->next)))
			sel = c;
		else
			return;
	}

	/* pop */
	sel->prev->next = sel->next;
	if(sel->next)
		sel->next->prev = sel->prev;
	sel->prev = NULL;
	clients->prev = sel;
	sel->next = clients;
	clients = sel;
	focus(sel);
	arrange(NULL);
}
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-07-23 08:12:20 +0000
">Client *c, long state); static void setlayout(const Arg *arg); static void setmfact(const Arg *arg); static void setup(void); static void showhide(Client *c); static void sigchld(int signal); static void spawn(const Arg *arg); static void tag(const Arg *arg); static void tagmon(const Arg *arg); static int textnw(const char *text, unsigned int len); static void tile(Monitor *); static void togglebar(const Arg *arg); static void togglefloating(const Arg *arg); static void toggletag(const Arg *arg); static void toggleview(const Arg *arg); static void unfocus(Client *c); static void unmanage(Client *c); static void unmapnotify(XEvent *e); static void updategeom(void); static void updatebarpos(Monitor *m); static void updatebars(void); static void updatenumlockmask(void); static void updatesizehints(Client *c); static void updatestatus(void); static void updatetitle(Client *c); static void updatewmhints(Client *c); static void view(const Arg *arg); static Client *wintoclient(Window w); static Monitor *wintomon(Window w); static int xerror(Display *dpy, XErrorEvent *ee); static int xerrordummy(Display *dpy, XErrorEvent *ee); static int xerrorstart(Display *dpy, XErrorEvent *ee); static void zoom(const Arg *arg); /* variables */ static char stext[256]; static int screen; 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 void (*handler[LASTEvent]) (XEvent *) = { [ButtonPress] = buttonpress, [ConfigureRequest] = configurerequest, [ConfigureNotify] = configurenotify, [DestroyNotify] = destroynotify, [EnterNotify] = enternotify, [Expose] = expose, [FocusIn] = focusin, [KeyPress] = keypress, [MappingNotify] = mappingnotify, [MapRequest] = maprequest, [PropertyNotify] = propertynotify, [UnmapNotify] = unmapnotify }; static Atom wmatom[WMLast], netatom[NetLast]; static Bool otherwm; static Bool running = True; static Cursor cursor[CurLast]; static Display *dpy; static DC dc; 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" /* compile-time check if all tags fit into an unsigned int bit array. */ struct NumTags { char limitexceeded[sizeof(unsigned int) * 8 < LENGTH(tags) ? -1 : 1]; }; /* function implementations */ void applyrules(Client *c) { unsigned int i; Rule *r; XClassHint ch = { 0 }; /* rule matching */ c->isfloating = c->tags = 0; if(XGetClassHint(dpy, c->win, &ch)) { for(i = 0; i < LENGTH(rules); i++) { 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)))) { c->isfloating = r->isfloating; c->tags |= r->tags; } } if(ch.res_class) XFree(ch.res_class); if(ch.res_name) XFree(ch.res_name); } c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : c->mon->tagset[c->mon->seltags]; } Bool applysizehints(Client *c, int *x, int *y, int *w, int *h) { Bool baseismin; Monitor *m = c->mon; /* set minimum possible */ *w = MAX(1, *w); *h = MAX(1, *h); if(*x > m->mx + m->mw) *x = m->mx + m->mw - WIDTH(c); if(*y > m->my + m->mh) *y = m->my + m->mh - HEIGHT(c); if(*x + *w + 2 * c->bw < m->mx) *x = m->mx; if(*y + *h + 2 * c->bw < m->my) *y = m->my; if(*h < bh) *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) *w = *h * c->maxa; 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); } return *x != c->x || *y != c->y || *w != c->w || *h != c->h; } void arrange(void) { Monitor *m; /* optimise two loops into one, check focus(NULL) */ for(m = mons; m; m = m->next) showhide(m->stack); focus(NULL); for(m = mons; m; m = m->next) { if(lt[m->sellt]->arrange) lt[m->sellt]->arrange(m); restack(m); } } void attach(Client *c) { c->next = c->mon->clients; c->mon->clients = c; } void attachstack(Client *c) { c->snext = c->mon->stack; c->mon->stack = c; } void buttonpress(XEvent *e) { unsigned int i, x, click; Arg arg = {0}; Client *c; Monitor *m; XButtonPressedEvent *ev = &e->xbutton; click = ClkRootWin; /* focus monitor if necessary */ if((m = wintomon(ev->window)) && m != selmon) { unfocus(selmon->sel); selmon = m; focus(NULL); } if(ev->window == selmon->barwin && ev->x >= selmon->btx) { i = 0; x = selmon->btx; do x += TEXTW(tags[i]); while(ev->x >= x && ++i < LENGTH(tags)); if(i < LENGTH(tags)) { click = ClkTagBar; arg.ui = 1 << i; } else if(ev->x < x + blw) click = ClkLtSymbol; else if(ev->x > selmon->wx + selmon->ww - TEXTW(stext)) click = ClkStatusText; else click = ClkWinTitle; } else if((c = wintoclient(ev->window))) { 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)) buttons[i].func(click == ClkTagBar && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg); } void 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); if(otherwm) die("dwm: another window manager is already running\n"); XSetErrorHandler(xerror); XSync(dpy, False); } void cleanup(void) { Arg a = {.ui = ~0}; Layout foo = { "", NULL }; Monitor *m; view(&a); lt[selmon->sellt] = &foo; for(m = mons; m; m = m->next) while(m->stack) unmanage(m->stack); if(dc.font.set) XFreeFontSet(dpy, dc.font.set); else XFreeFont(dpy, dc.font.xfont); XUngrabKey(dpy, AnyKey, AnyModifier, root); XFreePixmap(dpy, dc.drawable); XFreeGC(dpy, dc.gc); XFreeCursor(dpy, cursor[CurNormal]); XFreeCursor(dpy, cursor[CurResize]); XFreeCursor(dpy, cursor[CurMove]); cleanupmons(); XSync(dpy, False); XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); } void cleanupmons(void) { Monitor *m; while(mons) { m = mons->next; XUnmapWindow(dpy, mons->barwin); XDestroyWindow(dpy, mons->barwin); free(mons); mons = m; } } void clearurgent(Client *c) { XWMHints *wmh; c->isurgent = False; if(!(wmh = XGetWMHints(dpy, c->win))) return; wmh->flags &= ~XUrgencyHint; XSetWMHints(dpy, c->win, wmh); XFree(wmh); } void configure(Client *c) { XConfigureEvent ce; ce.type = ConfigureNotify; ce.display = dpy; ce.event = c->win; ce.window = c->win; ce.x = c->x; ce.y = c->y; ce.width = c->w; ce.height = c->h; ce.border_width = c->bw; ce.above = None; ce.override_redirect = False; XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce); } void configurenotify(XEvent *e) { Monitor *m; XConfigureEvent *ev = &e->xconfigure; if(ev->window == root && (ev->width != sw || ev->height != sh)) { sw = ev->width; sh = ev->height; updategeom(); if(dc.drawable != 0) XFreePixmap(dpy, dc.drawable); dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen)); updatebars(); for(m = mons; m; m = m->next) XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh); arrange(); } } void configurerequest(XEvent *e) { Client *c; Monitor *m; XConfigureRequestEvent *ev = &e->xconfigurerequest; XWindowChanges wc; if((c = wintoclient(ev->window))) { if(ev->value_mask & CWBorderWidth) c->bw = ev->border_width; else if(c->isfloating || !lt[selmon->sellt]->arrange) { m = c->mon; if(ev->value_mask & CWX) c->x = m->mx + ev->x; if(ev->value_mask & CWY) c->y = m->my + ev->y; if(ev->value_mask & CWWidth) c->w = ev->width; if(ev->value_mask & CWHeight) c->h = ev->height; if((c->x - m->mx + c->w) > m->mw && c->isfloating) c->x = m->mx + (m->mw / 2 - c->w / 2); /* center in x direction */ if((c->y - m->my + c->h) > m->mh && c->isfloating) c->y = m->my + (m->mh / 2 - c->h / 2); /* center in y direction */ if((ev->value_mask & (CWX|CWY)) && !(ev->value_mask & (CWWidth|CWHeight))) configure(c); if(ISVISIBLE(c)) XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); } else configure(c); } else { wc.x = ev->x; wc.y = ev->y; wc.width = ev->width; wc.height = ev->height; wc.border_width = ev->border_width; wc.sibling = ev->above; wc.stack_mode = ev->detail; XConfigureWindow(dpy, ev->window, ev->value_mask, &wc); } XSync(dpy, False); } void destroynotify(XEvent *e) { Client *c; XDestroyWindowEvent *ev = &e->xdestroywindow; if((c = wintoclient(ev->window))) unmanage(c); } void detach(Client *c) { Client **tc; for(tc = &c->mon->clients; *tc && *tc != c; tc = &(*tc)->next); *tc = c->next; } void detachstack(Client *c) { Client **tc, *t; for(tc = &c->mon->stack; *tc && *tc != c; tc = &(*tc)->snext); *tc = c->snext; if(c == c->mon->sel) { for(t = c->mon->stack; t && !ISVISIBLE(t); t = t->snext); c->mon->sel = t; } } void die(const char *errstr, ...) { va_list ap; va_start(ap, errstr); vfprintf(stderr, errstr, ap); va_end(ap); exit(EXIT_FAILURE); } void drawbar(Monitor *m) { int x; unsigned int i, occ = 0, urg = 0; unsigned long *col; Client *c; for(c = m->clients; c; c = c->next) { occ |= c->tags; if(c->isurgent) urg |= c->tags; } dc.x = 0; if(mons->next) { /* more than a single monitor */ char buf[2]; buf[0] = m->screen_number + '0'; buf[1] = '\0'; dc.w = TEXTW(buf); drawtext(buf, selmon == m ? dc.sel : dc.norm, True); dc.x += dc.w; } m->btx = dc.x; for(i = 0; i < LENGTH(tags); i++) { dc.w = TEXTW(tags[i]); col = m->tagset[m->seltags] & 1 << i ? dc.sel : dc.norm; drawtext(tags[i], col, urg & 1 << i); drawsquare(m == selmon && selmon->sel && selmon->sel->tags & 1 << i, occ & 1 << i, urg & 1 << i, col); dc.x += dc.w; } if(blw > 0) { dc.w = blw; drawtext(lt[m->sellt]->symbol, dc.norm, False); x = dc.x + dc.w; } else x = dc.x; if(m == selmon) { /* status is only drawn on selected monitor */ dc.w = TEXTW(stext); dc.x = m->ww - dc.w; if(dc.x < x) { dc.x = x; dc.w = m->ww - x; } drawtext(stext, dc.norm, False); } else { dc.x = m->ww; } if((dc.w = dc.x - x) > bh) { dc.x = x; if(m->sel) { col = m == selmon ? dc.sel : dc.norm; drawtext(m->sel->name, col, False); drawsquare(m->sel->isfixed, m->sel->isfloating, False, col); } else drawtext(NULL, dc.norm, False); } XCopyArea(dpy, dc.drawable, m->barwin, dc.gc, 0, 0, m->ww, bh, 0, 0); XSync(dpy, False); } void drawbars(void) { Monitor *m; for(m = mons; m; m = m->next) drawbar(m); } void drawsquare(Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]) { int x; XGCValues gcv; XRectangle r = { dc.x, dc.y, dc.w, dc.h }; gcv.foreground = col[invert ? ColBG : ColFG]; XChangeGC(dpy, dc.gc, GCForeground, &gcv); x = (dc.font.ascent + dc.font.descent + 2) / 4; r.x = dc.x + 1; r.y = dc.y + 1; if(filled) { r.width = r.height = x + 1; XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); } else if(empty) { r.width = r.height = x; XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1); } } void drawtext(const char *text, unsigned long col[ColLast], Bool invert) { char buf[256]; int i, x, y, h, len, olen; XRectangle r = { dc.x, dc.y, dc.w, dc.h }; XSetForeground(dpy, dc.gc, col[invert ? ColFG : ColBG]); XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); if(!text) return; olen = strlen(text); h = dc.font.ascent + dc.font.descent; y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent; x = dc.x + (h / 2); /* shorten text if necessary */ for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--); if(!len) return; memcpy(buf, text, len); if(len < olen) for(i = len; i && i > len - 3; buf[--i] = '.'); XSetForeground(dpy, dc.gc, col[invert ? ColBG : ColFG]); if(dc.font.set) XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len); else XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len); } void enternotify(XEvent *e) { Client *c; Monitor *m; XCrossingEvent *ev = &e->xcrossing; if((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root) return; if((m = wintomon(ev->window)) && m != selmon) { unfocus(selmon->sel); selmon = m; } if((c = wintoclient(ev->window))) focus(c); else focus(NULL); } void expose(XEvent *e) { Monitor *m; XExposeEvent *ev = &e->xexpose; if(ev->count == 0 && (m = wintomon(ev->window))) drawbar(m); } void focus(Client *c) { if(!c || !ISVISIBLE(c)) for(c = selmon->stack; c && !ISVISIBLE(c); c = c->snext); if(selmon->sel) unfocus(selmon->sel); if(c) { if(c->mon != selmon) selmon = c->mon; if(c->isurgent) clearurgent(c); detachstack(c); attachstack(c); grabbuttons(c, True); XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]); XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime); } else XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime); selmon->sel = c; drawbars(); } void focusin(XEvent *e) { /* there are some broken focus acquiring clients */ XFocusChangeEvent *ev = &e->xfocus; if(selmon->sel && ev->window != selmon->sel->win) XSetInputFocus(dpy, selmon->sel->win, RevertToPointerRoot, CurrentTime); } void focusmon(const Arg *arg) { Monitor *m; if(!(m = idxtomon(arg->ui)) || m == selmon) return; unfocus(selmon->sel); selmon = m; focus(NULL); } void focusstack(const Arg *arg) { Client *c = NULL, *i; if(!selmon->sel) return; if(arg->i > 0) { for(c = selmon->sel->next; c && !ISVISIBLE(c); c = c->next); if(!c) for(c = selmon->clients; c && !ISVISIBLE(c); c = c->next); } else { for(i = selmon->clients; i != selmon->sel; i = i->next) if(ISVISIBLE(i)) c = i; if(!c) for(; i; i = i->next) if(ISVISIBLE(i)) c = i; } if(c) { focus(c); restack(selmon); } } unsigned long getcolor(const char *colstr) { Colormap cmap = DefaultColormap(dpy, screen); XColor color; if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color)) die("error, cannot allocate color '%s'\n", colstr); return color.pixel; } Bool getrootpointer(int *x, int *y) { int di; unsigned int dui; Window dummy; return XQueryPointer(dpy, root, &dummy, &dummy, x, y, &di, &di, &dui); } long getstate(Window w) { int format, status; long result = -1; unsigned char *p = NULL; unsigned long n, extra; Atom real; status = XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState], &real, &format, &n, &extra, (unsigned char **)&p); if(status != Success) return -1; if(n != 0) result = *p; XFree(p); return result; } Bool gettextprop(Window w, Atom atom, char *text, unsigned int size) { char **list = NULL; int n; XTextProperty name; if(!text || size == 0) return False; text[0] = '\0'; XGetTextProperty(dpy, w, &name, atom); if(!name.nitems) return False; if(name.encoding == XA_STRING) strncpy(text, (char *)name.value, size - 1); else { if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success && n > 0 && *list) { strncpy(text, *list, size - 1); XFreeStringList(list); } } text[size - 1] = '\0'; XFree(name.value); return True; } void grabbuttons(Client *c, Bool focused) { updatenumlockmask(); { unsigned int i, j; unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask }; XUngrabButton(dpy, AnyButton, AnyModifier, c->win); if(focused) { for(i = 0; i < LENGTH(buttons); i++) if(buttons[i].click == ClkClientWin) for(j = 0; j < LENGTH(modifiers); j++) XGrabButton(dpy, buttons[i].button, buttons[i].mask | modifiers[j], c->win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None); } 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; XUngrabKey(dpy, AnyKey, AnyModifier, root); for(i = 0; i < LENGTH(keys); i++) { if((code = XKeysymToKeycode(dpy, keys[i].keysym))) for(j = 0; j < LENGTH(modifiers); j++) XGrabKey(dpy, code, keys[i].mod | modifiers[j], root, True, GrabModeAsync, GrabModeAsync); } } } 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; int i, n; missing = NULL; dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def); if(missing) { while(n--) fprintf(stderr, "dwm: missing fontset: %s\n", missing[n]); XFreeStringList(missing); } if(dc.font.set) { XFontSetExtents *font_extents; XFontStruct **xfonts; char **font_names; dc.font.ascent = dc.font.descent = 0; font_extents = XExtentsOfFontSet(dc.font.set); n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names); for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) { dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent); dc.font.descent = MAX(dc.font.descent,(*xfonts)->descent); xfonts++; } } else { if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)) && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed"))) die("error, cannot load font: '%s'\n", fontstr); dc.font.ascent = dc.font.xfont->ascent; dc.font.descent = dc.font.xfont->descent; } dc.font.height = dc.font.ascent + dc.font.descent; } Bool isprotodel(Client *c) { int i, n; Atom *protocols; Bool ret = False; if(XGetWMProtocols(dpy, c->win, &protocols, &n)) { for(i = 0; !ret && i < n; i++) if(protocols[i] == wmatom[WMDelete]) ret = True; XFree(protocols); } return ret; } void keypress(XEvent *e) { unsigned int i; KeySym keysym; XKeyEvent *ev; ev = &e->xkey; keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0); for(i = 0; i < LENGTH(keys); i++) if(keysym == keys[i].keysym && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state) && keys[i].func) keys[i].func(&(keys[i].arg)); } void killclient(const Arg *arg) { XEvent ev; if(!selmon->sel) return; if(isprotodel(selmon->sel)) { ev.type = ClientMessage; ev.xclient.window = selmon->sel->win; ev.xclient.message_type = wmatom[WMProtocols]; ev.xclient.format = 32; ev.xclient.data.l[0] = wmatom[WMDelete]; ev.xclient.data.l[1] = CurrentTime; XSendEvent(dpy, selmon->sel->win, False, NoEventMask, &ev); } else XKillClient(dpy, selmon->sel->win); } void manage(Window w, XWindowAttributes *wa) { static Client cz; Client *c, *t = NULL; Window trans = None; XWindowChanges wc; if(!(c = malloc(sizeof(Client)))) 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 = t->mon; c->tags = t->tags; } else { c->mon = selmon; applyrules(c); } /* geometry */ c->x = wa->x + c->mon->wx; c->y = wa->y + c->mon->wy; c->w = wa->width; c->h = wa->height; c->oldbw = wa->border_width; if(c->w == c->mon->mw && c->h == c->mon->mh) { c->x = c->mon->mx; c->y = c->mon->my; c->bw = 0; } else { if(c->x + WIDTH(c) > c->mon->mx + c->mon->mw) c->x = c->mon->mx + c->mon->mw - WIDTH(c); if(c->y + HEIGHT(c) > c->mon->my + c->mon->mh) c->y = c->mon->my + c->mon->mh - HEIGHT(c); c->x = MAX(c->x, c->mon->mx); /* only fix client y-offset, if the client center might cover the bar */ c->y = MAX(c->y, ((c->mon->by == 0) && (c->x + (c->w / 2) >= c->mon->wx) && (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]); configure(c); /* propagates border_width, if size doesn't change */ updatesizehints(c); XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask); grabbuttons(c, False); updatetitle(c); if(!c->isfloating) c->isfloating = trans != None || c->isfixed; if(c->isfloating) XRaiseWindow(dpy, c->win); attach(c); attachstack(c); XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */ XMapWindow(dpy, c->win); setclientstate(c, NormalState); arrange(); } void mappingnotify(XEvent *e) { XMappingEvent *ev = &e->xmapping; XRefreshKeyboardMapping(ev); if(ev->request == MappingKeyboard) grabkeys(); } void maprequest(XEvent *e) { static XWindowAttributes wa; XMapRequestEvent *ev = &e->xmaprequest; if(!XGetWindowAttributes(dpy, ev->window, &wa)) return; if(wa.override_redirect) return; if(!wintoclient(ev->window)) manage(ev->window, &wa); } void monocle(Monitor *m) { Client *c; for(c = nexttiled(m->clients); c; c = nexttiled(c->next)) resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw); } void movemouse(const Arg *arg) { int x, y, ocx, ocy, nx, ny; Client *c; Monitor *m; XEvent ev; if(!(c = selmon->sel)) return; restack(selmon); ocx = c->x; ocy = c->y; if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, None, cursor[CurMove], CurrentTime) != GrabSuccess) return; if(!getrootpointer(&x, &y)) return; do { XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev); switch (ev.type) { case ConfigureRequest: case Expose: case MapRequest: handler[ev.type](&ev); break; case MotionNotify: nx = ocx + (ev.xmotion.x - x); ny = ocy + (ev.xmotion.y - y); if(snap && nx >= selmon->wx && nx <= selmon->wx + selmon->ww && ny >= selmon->wy && ny <= selmon->wy + selmon->wh) { if(abs(selmon->wx - nx) < snap) nx = selmon->wx; else if(abs((selmon->wx + selmon->ww) - (nx + WIDTH(c))) < snap) nx = selmon->wx + selmon->ww - WIDTH(c); if(abs(selmon->wy - ny) < snap) ny = selmon->wy; else if(abs((selmon->wy + selmon->wh) - (ny + HEIGHT(c))) < snap) ny = selmon->wy + selmon->wh - HEIGHT(c); if(!c->isfloating && lt[selmon->sellt]->arrange && (abs(nx - c->x) > snap || abs(ny - c->y) > snap)) togglefloating(NULL); } if(!lt[selmon->sellt]->arrange || c->isfloating) resize(c, nx, ny, c->w, c->h); break; } } while(ev.type != ButtonRelease); XUngrabPointer(dpy, CurrentTime); if((m = pointertomon(c->x + c->w / 2, c->y + c->h / 2)) != selmon) { sendmon(c, m); selmon = m; focus(NULL); } } Client * nexttiled(Client *c) { for(; c && (c->isfloating || !ISVISIBLE(c)); c = c->next); return c; } Monitor * pointertomon(int x, int y) { Monitor *m; for(m = mons; m; m = m->next) if(INRECT(x, y, m->wx, m->wy, m->ww, m->wh)) return m; return mons; } void propertynotify(XEvent *e) { Client *c; Window trans; XPropertyEvent *ev = &e->xproperty; if((ev->window == root) && (ev->atom == XA_WM_NAME)) updatestatus(); else if(ev->state == PropertyDelete) return; /* ignore */ else if((c = wintoclient(ev->window))) { switch (ev->atom) { default: break; case XA_WM_TRANSIENT_FOR: XGetTransientForHint(dpy, c->win, &trans); if(!c->isfloating && (c->isfloating = (wintoclient(trans) != NULL))) arrange(); break; case XA_WM_NORMAL_HINTS: updatesizehints(c); break; case XA_WM_HINTS: updatewmhints(c); drawbars(); break; } if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) { updatetitle(c); if(c == selmon->sel) drawbars(); } } } void quit(const Arg *arg) { running = False; } void resize(Client *c, int x, int y, int w, int h) { XWindowChanges wc; if(applysizehints(c, &x, &y, &w, &h)) { c->x = wc.x = x; c->y = wc.y = y; c->w = wc.width = w; c->h = wc.height = h; wc.border_width = c->bw; XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc); configure(c); XSync(dpy, False); } } void resizemouse(const Arg *arg) { int ocx, ocy; int nw, nh; Client *c; Monitor *m; XEvent ev; if(!(c = selmon->sel)) return; restack(selmon); ocx = c->x; ocy = c->y; if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, None, cursor[CurResize], CurrentTime) != GrabSuccess) return; XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1); do { XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev); switch(ev.type) { case ConfigureRequest: case Expose: case MapRequest: handler[ev.type](&ev); break; 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 && (abs(nw - c->w) > snap || abs(nh - c->h) > snap)) togglefloating(NULL); } if(!lt[selmon->sellt]->arrange || c->isfloating) resize(c, c->x, c->y, nw, nh); break; } } while(ev.type != ButtonRelease); XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1); XUngrabPointer(dpy, CurrentTime); while(XCheckMaskEvent(dpy, EnterWindowMask, &ev)); if((m = pointertomon(c->x + c->w / 2, c->y + c->h / 2)) != selmon) { sendmon(c, m); selmon = m; focus(NULL); } } void restack(Monitor *m) { Client *c; XEvent ev; XWindowChanges wc; drawbars(); if(!m->sel) return; if(m->sel->isfloating || !lt[m->sellt]->arrange) XRaiseWindow(dpy, m->sel->win); if(lt[m->sellt]->arrange) { wc.stack_mode = Below; wc.sibling = m->barwin; for(c = m->stack; c; c = c->snext) if(!c->isfloating && ISVISIBLE(c)) { XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc); wc.sibling = c->win; } } XSync(dpy, False); while(XCheckMaskEvent(dpy, EnterWindowMask, &ev)); } void run(void) { XEvent ev; /* main event loop */ XSync(dpy, False); while(running && !XNextEvent(dpy, &ev)) { if(handler[ev.type]) (handler[ev.type])(&ev); /* call handler */ } } void scan(void) { unsigned int i, num; Window d1, d2, *wins = NULL; XWindowAttributes wa; if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { for(i = 0; i < num; i++) { if(!XGetWindowAttributes(dpy, wins[i], &wa) || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) continue; if(wa.map_state == IsViewable || getstate(wins[i]) == IconicState) manage(wins[i], &wa); } for(i = 0; i < num; i++) { /* now the transients */ if(!XGetWindowAttributes(dpy, wins[i], &wa)) continue; if(XGetTransientForHint(dpy, wins[i], &d1) && (wa.map_state == IsViewable || getstate(wins[i]) == IconicState)) manage(wins[i], &wa); } if(wins) XFree(wins); } } void sendmon(Client *c, Monitor *m) { if(c->mon == m) return; unfocus(c); detach(c); detachstack(c); c->mon = m; c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */ attach(c); attachstack(c); focus(NULL); arrange(); } void setclientstate(Client *c, long state) { long data[] = {state, None}; XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32, PropModeReplace, (unsigned char *)data, 2); } void setlayout(const Arg *arg) { if(!arg || !arg->v || arg->v != lt[selmon->sellt]) selmon->sellt ^= 1; if(arg && arg->v) lt[selmon->sellt] = (Layout *)arg->v; if(selmon->sel) arrange(); else drawbars(); } /* arg > 1.0 will set mfact absolutly */ void setmfact(const Arg *arg) { float f; if(!arg || !lt[selmon->sellt]->arrange) return; f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0; if(f < 0.1 || f > 0.9) return; selmon->mfact = f; arrange(); } void setup(void) { unsigned int i; int w; XSetWindowAttributes wa; /* init screen */ screen = DefaultScreen(dpy); root = RootWindow(dpy, screen); initfont(font); sw = DisplayWidth(dpy, screen); sh = DisplayHeight(dpy, screen); bh = dc.h = dc.font.height + 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); dc.norm[ColFG] = getcolor(normfgcolor); dc.sel[ColBorder] = getcolor(selbordercolor); dc.sel[ColBG] = getcolor(selbgcolor); dc.sel[ColFG] = getcolor(selfgcolor); dc.drawable = XCreatePixmap(dpy, root, DisplayWidth(dpy, screen), bh, DefaultDepth(dpy, screen)); dc.gc = XCreateGC(dpy, root, 0, NULL); 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); blw = MAX(blw, w); } 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 |EnterWindowMask|LeaveWindowMask|StructureNotifyMask |PropertyChangeMask; XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa); XSelectInput(dpy, root, wa.event_mask); grabkeys(); } void showhide(Client *c) { if(!c) return; if(ISVISIBLE(c)) { /* show clients top down */ XMoveWindow(dpy, c->win, c->x, c->y); if(!lt[c->mon->sellt]->arrange || c->isfloating) resize(c, c->x, c->y, c->w, c->h); showhide(c->snext); } else { /* hide clients bottom up */ showhide(c->snext); XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y); } } void sigchld(int signal) { while(0 < waitpid(-1, NULL, WNOHANG)); } void spawn(const Arg *arg) { signal(SIGCHLD, sigchld); if(fork() == 0) { if(dpy) close(ConnectionNumber(dpy)); setsid(); execvp(((char **)arg->v)[0], (char **)arg->v); fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]); perror(" failed"); exit(0); } } void tag(const Arg *arg) { if(selmon->sel && arg->ui & TAGMASK) { selmon->sel->tags = arg->ui & TAGMASK; arrange(); } } void tagmon(const Arg *arg) { Monitor *m; if(!selmon->sel || !(m = idxtomon(arg->ui))) return; sendmon(selmon->sel, m); } int textnw(const char *text, unsigned int len) { XRectangle r; if(dc.font.set) { XmbTextExtents(dc.font.set, text, len, NULL, &r); return r.width; } return XTextWidth(dc.font.xfont, text, len); } void tile(Monitor *m) { int x, y, h, w, mw; unsigned int i, n; Client *c; 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); 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; w = (m->wx + mw > c->x + c->w) ? m->wx + m->ww - x : m->ww - mw; 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)); if(h != m->wh) y = c->y + HEIGHT(c); } } void togglebar(const Arg *arg) { selmon->showbar = !selmon->showbar; updatebarpos(selmon); XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh); arrange(); } void togglefloating(const Arg *arg) { if(!selmon->sel) return; selmon->sel->isfloating = !selmon->sel->isfloating || selmon->sel->isfixed; if(selmon->sel->isfloating) resize(selmon->sel, selmon->sel->x, selmon->sel->y, selmon->sel->w, selmon->sel->h); arrange(); } void toggletag(const Arg *arg) { unsigned int mask; if(!selmon->sel) return; mask = selmon->sel->tags ^ (arg->ui & TAGMASK); if(mask) { selmon->sel->tags = mask; arrange(); } } void toggleview(const Arg *arg) { unsigned int mask = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK); if(mask) { selmon->tagset[selmon->seltags] = mask; arrange(); } } void unfocus(Client *c) { if(!c) return; grabbuttons(c, False); XSetWindowBorder(dpy, c->win, dc.norm[ColBorder]); XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime); } void unmanage(Client *c) { XWindowChanges wc; wc.border_width = c->oldbw; /* The server grab construct avoids race conditions. */ XGrabServer(dpy); XSetErrorHandler(xerrordummy); XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */ detach(c); detachstack(c); XUngrabButton(dpy, AnyButton, AnyModifier, c->win); setclientstate(c, WithdrawnState); free(c); XSync(dpy, False); XSetErrorHandler(xerror); XUngrabServer(dpy); focus(NULL); arrange(); } void unmapnotify(XEvent *e) { Client *c; XUnmapEvent *ev = &e->xunmap; if((c = wintoclient(ev->window))) unmanage(c); } void updatebars(void) { Monitor *m; XSetWindowAttributes wa; 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]); XMapRaised(dpy, m->barwin); } } void updatebarpos(Monitor *m) { m->wy = m->my; m->wh = m->mh; if(m->showbar) { m->wh -= bh; m->by = m->topbar ? m->wy : m->wy + m->wh; m->wy = m->topbar ? m->wy + bh : m->wy; } else m->by = -bh; } void updategeom(void) { int i, n = 1; Client *c; Monitor *newmons = NULL, *m, *tm; #ifdef XINERAMA XineramaScreenInfo *info = NULL; if(XineramaIsActive(dpy)) info = XineramaQueryScreens(dpy, &n); #endif /* XINERAMA */ /* allocate monitor(s) for the new geometry setup */ for(i = 0; i < n; i++) { m = (Monitor *)malloc(sizeof(Monitor)); m->next = newmons; newmons = m; } /* initialise monitor(s) */ #ifdef XINERAMA if(XineramaIsActive(dpy)) { for(i = 0, m = newmons; m; m = m->next, i++) { m->screen_number = info[i].screen_number; m->mx = m->wx = info[i].x_org; m->my = m->wy = info[i].y_org; m->mw = m->ww = info[i].width; m->mh = m->wh = info[i].height; } XFree(info); } else #endif /* XINERAMA */ /* default monitor setup */ { m->screen_number = 0; m->mx = m->wx = 0; m->my = m->wy = 0; 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->seltags = 0; m->sellt = 0; m->tagset[0] = m->tagset[1] = 1; m->mfact = mfact; m->showbar = SHOWBAR; m->topbar = TOPBAR; updatebarpos(m); } /* reassign left over clients of disappeared monitors */ for(tm = mons; tm; tm = tm->next) while(tm->clients) { c = tm->clients; tm->clients = c->next; detachstack(c); c->mon = newmons; attach(c); attachstack(c); } /* select focused monitor */ cleanupmons(); mons = newmons; selmon = wintomon(root); } void updatenumlockmask(void) { unsigned int i, j; XModifierKeymap *modmap; numlockmask = 0; modmap = XGetModifierMapping(dpy); for(i = 0; i < 8; i++) for(j = 0; j < modmap->max_keypermod; j++) if(modmap->modifiermap[i * modmap->max_keypermod + j] == XKeysymToKeycode(dpy, XK_Num_Lock)) numlockmask = (1 << i); XFreeModifiermap(modmap); } void updatesizehints(Client *c) { long msize; XSizeHints size; if(!XGetWMNormalHints(dpy, c->win, &size, &msize)) /* size is uninitialized, ensure that size.flags aren't used */ size.flags = PSize; if(size.flags & PBaseSize) { c->basew = size.base_width; c->baseh = size.base_height; } else if(size.flags & PMinSize) { c->basew = size.min_width; c->baseh = size.min_height; } else c->basew = c->baseh = 0; if(size.flags & PResizeInc) { c->incw = size.width_inc; c->inch = size.height_inc; } else c->incw = c->inch = 0; if(size.flags & PMaxSize) { c->maxw = size.max_width; c->maxh = size.max_height; } else c->maxw = c->maxh = 0; if(size.flags & PMinSize) { c->minw = size.min_width; c->minh = size.min_height; } else if(size.flags & PBaseSize) { c->minw = size.base_width; c->minh = size.base_height; } else c->minw = c->minh = 0; if(size.flags & PAspect) { c->mina = (float)size.min_aspect.y / (float)size.min_aspect.x; c->maxa = (float)size.max_aspect.x / (float)size.max_aspect.y; } else c->maxa = c->mina = 0.0; c->isfixed = (c->maxw && c->minw && c->maxh && c->minh && c->maxw == c->minw && c->maxh == c->minh); } void updatetitle(Client *c) { if(!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name)) gettextprop(c->win, XA_WM_NAME, c->name, sizeof c->name); } void updatestatus(void) { if(!gettextprop(root, XA_WM_NAME, stext, sizeof(stext))) strcpy(stext, "dwm-"VERSION); drawbar(selmon); } void updatewmhints(Client *c) { XWMHints *wmh; if((wmh = XGetWMHints(dpy, c->win))) { if(c == selmon->sel && wmh->flags & XUrgencyHint) { wmh->flags &= ~XUrgencyHint; XSetWMHints(dpy, c->win, wmh); } else c->isurgent = (wmh->flags & XUrgencyHint) ? True : False; XFree(wmh); } } void view(const Arg *arg) { if((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags]) return; selmon->seltags ^= 1; /* toggle sel tagset */ if(arg->ui & TAGMASK) selmon->tagset[selmon->seltags] = arg->ui & TAGMASK; arrange(); } Client * wintoclient(Window w) { Client *c; Monitor *m; for(m = mons; m; m = m->next) for(c = m->clients; c; c = c->next) if(c->win == w) return c; return NULL; } Monitor * wintomon(Window w) { int x, y; Client *c; Monitor *m; if(w == root && getrootpointer(&x, &y)) return pointertomon(x, y); for(m = mons; m; m = m->next) if(w == m->barwin) return m; if((c = wintoclient(w))) return c->mon; return mons; } /* There's no way to check accesses to destroyed windows, thus those cases are * ignored (especially on UnmapNotify's). Other types of errors call Xlibs * default error handler, which may call exit. */ int xerror(Display *dpy, XErrorEvent *ee) { if(ee->error_code == BadWindow || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch) || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable) || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable) || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable) || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch) || (ee->request_code == X_GrabButton && ee->error_code == BadAccess) || (ee->request_code == X_GrabKey && ee->error_code == BadAccess) || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable)) return 0; fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n", ee->request_code, ee->error_code); return xerrorxlib(dpy, ee); /* may call exit */ } int xerrordummy(Display *dpy, XErrorEvent *ee) { return 0; } /* Startup Error handler to check if another window manager * is already running. */ int xerrorstart(Display *dpy, XErrorEvent *ee) { otherwm = True; return -1; } void zoom(const Arg *arg) { Client *c = selmon->sel; 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))) return; detach(c); attach(c); focus(c); arrange(); } int main(int argc, char *argv[]) { if(argc == 2 && !strcmp("-v", argv[1])) 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; }
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-07-23 08:12:19 +0000