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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"
#include <errno.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/select.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/Xatom.h>
#include <X11/Xproto.h>

/* extern */

char stext[256];
Bool *seltag;
int bh, bmw, screen, sx, sy, sw, sh, wax, way, waw, wah;
unsigned int master, nmaster, ntags, numlockmask;
Atom wmatom[WMLast], netatom[NetLast];
Bool running = True;
Bool activescreen = True;
Client *clients = NULL;
Client *sel = NULL;
Client *stack = NULL;
Cursor cursor[CurLast];
Display *dpy;
DC dc = {0};
Window root, barwin;

/* static */

static int (*xerrorxlib)(Display *, XErrorEvent *);
static Bool otherwm, readin;

static void
cleanup(void) {
	close(STDIN_FILENO);
	while(stack) {
		resize(stack, True);
		unmanage(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);
	XDestroyWindow(dpy, barwin);
	XFreeCursor(dpy, cursor[CurNormal]);
	XFreeCursor(dpy, cursor[CurResize]);
	XFreeCursor(dpy, cursor[CurMove]);
	XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
	XSync(dpy, False);
	free(seltag);
}

static void
scan(void) {
	unsigned int i, num;
	Window *wins, d1, d2;
	XWindowAttributes wa;

	wins = NULL;
	if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
		for(i = 0; i < num; i++) {
			if(!XGetWindowAttributes(dpy, wins[i], &wa))
				continue;
			if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
				continue;
			if(wa.map_state == IsViewable)
				manage(wins[i], &wa);
		}
	}
	if(wins)
		XFree(wins);
}

static void
setup(void) {
	int i, j;
	unsigned int mask;
	Window w;
	XModifierKeymap *modmap;
	XSetWindowAttributes wa;

	/* init atoms */
	wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
	wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
	netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
	netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
	XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
			PropModeReplace, (unsigned char *) netatom, NetLast);
	/* init cursors */
	cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
	cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
	cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
	/* init modifier map */
	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);
	/* select for events */
	wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
		| EnterWindowMask | LeaveWindowMask;
	wa.cursor = cursor[CurNormal];
	XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
	grabkeys();
	initrregs();
	for(ntags = 0; tags[ntags]; ntags++);
	seltag = emallocz(sizeof(Bool) * ntags);
	seltag[0] = True;
	/* style */
	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);
	setfont(FONT);
	/* geometry */
	sx = sy = 0;
	sw = DisplayWidth(dpy, screen);
	sh = DisplayHeight(dpy, screen);
	master = MASTER;
	nmaster = NMASTER;
	bmw = textw(TILESYMBOL) > textw(FLOATSYMBOL) ? textw(TILESYMBOL) : textw(FLOATSYMBOL);
	/* bar */
	dc.h = bh = dc.font.height + 2;
	wa.override_redirect = 1;
	wa.background_pixmap = ParentRelative;
	wa.event_mask = ButtonPressMask | ExposureMask;
	barwin = XCreateWindow(dpy, root, sx, sy, sw, bh, 0, DefaultDepth(dpy, screen),
			CopyFromParent, DefaultVisual(dpy, screen),
			CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
	XDefineCursor(dpy, barwin, cursor[CurNormal]);
	XMapRaised(dpy, barwin);
	strcpy(stext, "dwm-"VERSION);
	/* windowarea */
	wax = sx;
	way = sy + bh;
	wah = sh - bh;
	waw = sw;
	/* pixmap for everything */
	dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
	dc.gc = XCreateGC(dpy, root, 0, 0);
	XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
	/* multihead support */
	activescreen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
}

/*
 * Startup Error handler to check if another window manager
 * is already running.
 */
static int
xerrorstart(Display *dsply, XErrorEvent *ee) {
	otherwm = True;
	return -1;
}

/* extern */

int
getproto(Window w) {
	int i, format, protos, status;
	unsigned long extra, res;
	Atom *protocols, real;

	protos = 0;
	status = XGetWindowProperty(dpy, w, wmatom[WMProtocols], 0L, 20L, False,
			XA_ATOM, &real, &format, &res, &extra, (unsigned char **)&protocols);
	if(status != Success || protocols == 0)
		return protos;
	for(i = 0; i < res; i++)
		if(protocols[i] == wmatom[WMDelete])
			protos |= PROTODELWIN;
	free(protocols);
	return protos;
}

void
sendevent(Window w, Atom a, long value) {
	XEvent e;

	e.type = ClientMessage;
	e.xclient.window = w;
	e.xclient.message_type = a;
	e.xclient.format = 32;
	e.xclient.data.l[0] = value;
	e.xclient.data.l[1] = CurrentTime;
	XSendEvent(dpy, w, False, NoEventMask, &e);
	XSync(dpy, False);
}

void
quit(Arg *arg) {
	readin = running = False;
}

/* 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_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
main(int argc, char *argv[]) {
	char *p;
	int r, xfd;
	fd_set rd;

	if(argc == 2 && !strncmp("-v", argv[1], 3)) {
		fputs("dwm-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n", stdout);
		exit(EXIT_SUCCESS);
	}
	else if(argc != 1)
		eprint("usage: dwm [-v]\n");
	setlocale(LC_CTYPE, "");
	dpy = XOpenDisplay(0);
	if(!dpy)
		eprint("dwm: cannot open display\n");
	xfd = ConnectionNumber(dpy);
	screen = DefaultScreen(dpy);
	root = RootWindow(dpy, screen);
	otherwm = False;
	XSetErrorHandler(xerrorstart);
	/* this causes an error if some other window manager is running */
	XSelectInput(dpy, root, SubstructureRedirectMask);
	XSync(dpy, False);
	if(otherwm)
		eprint("dwm: another window manager is already running\n");

	XSync(dpy, False);
	XSetErrorHandler(NULL);
	xerrorxlib = XSetErrorHandler(xerror);
	XSync(dpy, False);
	setup();
	drawstatus();
	scan();

	/* main event loop, also reads status text from stdin */
	XSync(dpy, False);
	procevent();
	readin = True;
	while(running) {
		FD_ZERO(&rd);
		if(readin)
			FD_SET(STDIN_FILENO, &rd);
		FD_SET(xfd, &rd);
		if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) {
			if(errno == EINTR)
				continue;
			eprint("select failed\n");
		}
		if(FD_ISSET(STDIN_FILENO, &rd)) {
			switch(r = read(STDIN_FILENO, stext, sizeof stext - 1)) {
			case -1:
				strncpy(stext, strerror(errno), sizeof stext - 1);
				stext[sizeof stext - 1] = '\0';
				readin = False;
				break;
			case 0:
				strncpy(stext, "EOF", 4);
				readin = False;
				break;
			default:
				for(stext[r] = '\0', p = stext + strlen(stext) - 1; p >= stext && *p == '\n'; *p-- = '\0');
				for(p = stext + strlen(stext) - 1; p >= stext && *p != '\n'; --p);
				if(p > stext)
					strncpy(stext, p + 1, sizeof stext);
			}
			drawstatus();
		}
		if(FD_ISSET(xfd, &rd))
			procevent();
	}
	cleanup();
	XCloseDisplay(dpy);
	return 0;
}
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-07-18 22:29:08 +0000
pan class="k">static void clearurgent(Client *c); static void configure(Client *c); static void configurenotify(XEvent *e); static void configurerequest(XEvent *e); static void destroynotify(XEvent *e); static void detach(Client *c); static void detachstack(Client *c); static void die(const char *errstr, ...); static void drawbar(void); static void drawsquare(Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]); static void drawtext(const char *text, unsigned long col[ColLast], Bool invert); static void enternotify(XEvent *e); static void expose(XEvent *e); static void focus(Client *c); static void focusin(XEvent *e); static void focusstack(const Arg *arg); static Client *getclient(Window w); static unsigned long getcolor(const char *colstr); static long getstate(Window w); static Bool gettextprop(Window w, Atom atom, char *text, unsigned int size); static void grabbuttons(Client *c, Bool focused); static void grabkeys(void); static void initfont(const char *fontstr); static Bool isprotodel(Client *c); static void keypress(XEvent *e); static void killclient(const Arg *arg); static void manage(Window w, XWindowAttributes *wa); static void mappingnotify(XEvent *e); static void maprequest(XEvent *e); static void monocle(void); static void movemouse(const Arg *arg); static Client *nexttiled(Client *c); static void propertynotify(XEvent *e); static void quit(const Arg *arg); static void resize(Client *c, int x, int y, int w, int h, Bool sizehints); static void resizemouse(const Arg *arg); static void restack(void); static void run(void); static void scan(void); static void setclientstate(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, unsigned int ntiled); static void sigchld(int signal); static void spawn(const Arg *arg); static void tag(const Arg *arg); static int textnw(const char *text, unsigned int len); static void tile(void); 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 unmanage(Client *c); static void unmapnotify(XEvent *e); static void updatebar(void); static void updategeom(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 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 sx, sy, sw, sh; /* X display screen geometry x, y, width, height */ static int by, bh, blw; /* bar geometry y, height and layout symbol width */ static int wx, wy, ww, wh; /* window area geometry x, y, width, height, bar excluded */ static unsigned int seltags = 0, sellt = 0; 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 Client *clients = NULL; static Client *sel = NULL; static Client *stack = NULL; static Cursor cursor[CurLast]; static Display *dpy; static DC dc; static Layout *lt[] = { NULL, NULL }; static Window root, barwin; /* 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 adjustborder(Client *c, unsigned int bw) { XWindowChanges wc; if(c->bw != bw) { c->bw = wc.border_width = bw; XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); } } void applyrules(Client *c) { unsigned int i; Rule *r; XClassHint ch = { 0 }; /* rule matching */ 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 & TAGMASK ? r->tags & TAGMASK : tagset[seltags]; } } if(ch.res_class) XFree(ch.res_class); if(ch.res_name) XFree(ch.res_name); } if(!c->tags) c->tags = tagset[seltags]; } void arrange(void) { unsigned int nt; Client *c; for(nt = 0, c = nexttiled(clients); c; c = nexttiled(c->next), nt++); showhide(stack, nt); focus(NULL); if(lt[sellt]->arrange) lt[sellt]->arrange(); restack(); } void attach(Client *c) { c->next = clients; clients = c; } void attachstack(Client *c) { c->snext = stack; stack = c; } void buttonpress(XEvent *e) { unsigned int i, x, click; Arg arg = {0}; Client *c; XButtonPressedEvent *ev = &e->xbutton; click = ClkRootWin; if(ev->window == barwin) { i = x = 0; 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 > wx + ww - TEXTW(stext)) click = ClkStatusText; else click = ClkWinTitle; } else if((c = getclient(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 }; view(&a); lt[sellt] = &foo; while(stack) unmanage(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]); XDestroyWindow(dpy, barwin); XSync(dpy, False); XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); } 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) { XConfigureEvent *ev = &e->xconfigure; if(ev->window == root && (ev->width != sw || ev->height != sh)) { sw = ev->width; sh = ev->height; updategeom(); updatebar(); arrange(); } } void configurerequest(XEvent *e) { Client *c; XConfigureRequestEvent *ev = &e->xconfigurerequest; XWindowChanges wc; if((c = getclient(ev->window))) { if(ev->value_mask & CWBorderWidth) c->bw = ev->border_width; else if(c->isfloating || !lt[sellt]->arrange) { if(ev->value_mask & CWX) c->x = sx + ev->x; if(ev->value_mask & CWY) c->y = sy + ev->y; if(ev->value_mask & CWWidth) c->w = ev->width; if(ev->value_mask & CWHeight) c->h = ev->height; if((c->x - sx + c->w) > sw && c->isfloating) c->x = sx + (sw / 2 - c->w / 2); /* center in x direction */ if((c->y - sy + c->h) > sh && c->isfloating) c->y = sy + (sh / 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 = getclient(ev->window))) unmanage(c); } void detach(Client *c) { Client **tc; for(tc = &clients; *tc && *tc != c; tc = &(*tc)->next); *tc = c->next; } void detachstack(Client *c) { Client **tc; for(tc = &stack; *tc && *tc != c; tc = &(*tc)->snext); *tc = c->snext; } void die(const char *errstr, ...) { va_list ap; va_start(ap, errstr); vfprintf(stderr, errstr, ap); va_end(ap); exit(EXIT_FAILURE); } void drawbar(void) { int x; unsigned int i, occ = 0, urg = 0; unsigned long *col; Client *c; for(c = clients; c; c = c->next) { occ |= c->tags; if(c->isurgent) urg |= c->tags; } dc.x = 0; for(i = 0; i < LENGTH(tags); i++) { dc.w = TEXTW(tags[i]); col = tagset[seltags] & 1 << i ? dc.sel : dc.norm; drawtext(tags[i], col, urg & 1 << i); drawsquare(sel && sel->tags & 1 << i, occ & 1 << i, urg & 1 << i, col); dc.x += dc.w; } if(blw > 0) { dc.w = blw; drawtext(lt[sellt]->symbol, dc.norm, False); x = dc.x + dc.w; } else x = dc.x; dc.w = TEXTW(stext); dc.x = ww - dc.w; if(dc.x < x) { dc.x = x; dc.w = ww - x; } drawtext(stext, dc.norm, False); if((dc.w = dc.x - x) > bh) { dc.x = x; if(sel) { drawtext(sel->name, dc.sel, False); drawsquare(sel->isfixed, sel->isfloating, False, dc.sel); } else drawtext(NULL, dc.norm, False); } XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, ww, bh, 0, 0); XSync(dpy, False); } 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; XCrossingEvent *ev = &e->xcrossing; if((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root) return; if((c = getclient(ev->window))) focus(c); else focus(NULL); } void expose(XEvent *e) { XExposeEvent *ev = &e->xexpose; if(ev->count == 0 && (ev->window == barwin)) drawbar(); } void focus(Client *c) { if(!c || !ISVISIBLE(c)) for(c = stack; c && !ISVISIBLE(c); c = c->snext); if(sel && sel != c) { grabbuttons(sel, False); XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]); } if(c) { 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); sel = c; drawbar(); } void focusin(XEvent *e) { /* there are some broken focus acquiring clients */ XFocusChangeEvent *ev = &e->xfocus; if(sel && ev->window != sel->win) XSetInputFocus(dpy, sel->win, RevertToPointerRoot, CurrentTime); } void focusstack(const Arg *arg) { Client *c = NULL, *i; if(!sel) return; if (arg->i > 0) { for(c = sel->next; c && !ISVISIBLE(c); c = c->next); if(!c) for(c = clients; c && !ISVISIBLE(c); c = c->next); } else { for(i = clients; i != 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(); } } Client * getclient(Window w) { Client *c; for(c = clients; c && c->win != w; c = c->next); return c; } 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; } 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); } } } 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(!sel) return; if(isprotodel(sel)) { ev.type = ClientMessage; ev.xclient.window = 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, sel->win, False, NoEventMask, &ev); } else XKillClient(dpy, 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; /* geometry */ c->x = wa->x; c->y = wa->y; c->w = wa->width; c->h = wa->height; c->oldbw = wa->border_width; if(c->w == sw && c->h == sh) { c->x = sx; c->y = sy; c->bw = 0; } else { if(c->x + WIDTH(c) > sx + sw) c->x = sx + sw - WIDTH(c); if(c->y + HEIGHT(c) > sy + sh) c->y = sy + sh - HEIGHT(c); c->x = MAX(c->x, sx); /* only fix client y-offset, if the client center might cover the bar */ c->y = MAX(c->y, ((by == 0) && (c->x + (c->w / 2) >= wx) && (c->x + (c->w / 2) < wx + ww)) ? bh : sy); 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(XGetTransientForHint(dpy, w, &trans)) t = getclient(trans); if(t) c->tags = t->tags; else applyrules(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(!getclient(ev->window)) manage(ev->window, &wa); } void monocle(void) { unsigned int n; Client *c; for(n = 0, c = nexttiled(clients); c && n < 2; c = nexttiled(c->next), n++); for(c = nexttiled(clients); c; c = nexttiled(c->next)) { adjustborder(c, n == 1 ? 0 : borderpx); resize(c, wx, wy, ww - 2 * c->bw, wh - 2 * c->bw, resizehints); } } void movemouse(const Arg *arg) { int x, y, ocx, ocy, di, nx, ny; unsigned int dui; Client *c; Window dummy; XEvent ev; if(!(c = sel)) return; restack(); ocx = c->x; ocy = c->y; if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, None, cursor[CurMove], CurrentTime) != GrabSuccess) return; XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui); if(usegrab) XGrabServer(dpy); 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 >= wx && nx <= wx + ww && ny >= wy && ny <= wy + wh) { if(abs(wx - nx) < snap) nx = wx; else if(abs((wx + ww) - (nx + WIDTH(c))) < snap) nx = wx + ww - WIDTH(c); if(abs(wy - ny) < snap) ny = wy; else if(abs((wy + wh) - (ny + HEIGHT(c))) < snap) ny = wy + wh - HEIGHT(c); if(!c->isfloating && lt[sellt]->arrange && (abs(nx - c->x) > snap || abs(ny - c->y) > snap)) togglefloating(NULL); } if(!lt[sellt]->arrange || c->isfloating) resize(c, nx, ny, c->w, c->h, False); break; } } while(ev.type != ButtonRelease); if(usegrab) XUngrabServer(dpy); XUngrabPointer(dpy, CurrentTime); } Client * nexttiled(Client *c) { for(; c && (c->isfloating || !ISVISIBLE(c)); c = c->next); return c; } 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 = getclient(ev->window))) { switch (ev->atom) { default: break; case XA_WM_TRANSIENT_FOR: XGetTransientForHint(dpy, c->win, &trans); if(!c->isfloating && (c->isfloating = (getclient(trans) != NULL))) arrange(); break; case XA_WM_NORMAL_HINTS: updatesizehints(c); break; case XA_WM_HINTS: updatewmhints(c); drawbar(); break; } if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) { updatetitle(c); if(c == sel) drawbar(); } } } void quit(const Arg *arg) { running = False; } void resize(Client *c, int x, int y, int w, int h, Bool sizehints) { XWindowChanges wc; if(sizehints) { /* see last two sentences in ICCCM 4.1.2.3 */ Bool baseismin = c->basew == c->minw && c->baseh == c->minh; /* set minimum possible */ w = MAX(1, w); h = MAX(1, h); 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); } if(w <= 0 || h <= 0) return; if(x > sx + sw) x = sw - WIDTH(c); if(y > sy + sh) y = sh - HEIGHT(c); if(x + w + 2 * c->bw < sx) x = sx; if(y + h + 2 * c->bw < sy) y = sy; if(h < bh) h = bh; if(w < bh) w = bh; if(c->x != x || c->y != y || c->w != w || c->h != 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; XEvent ev; if(!(c = sel)) return; restack(); 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); if(usegrab) XGrabServer(dpy); 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 >= wx && nw <= wx + ww && nh >= wy && nh <= wy + wh) { if(!c->isfloating && lt[sellt]->arrange && (abs(nw - c->w) > snap || abs(nh - c->h) > snap)) togglefloating(NULL); } if(!lt[sellt]->arrange || c->isfloating) resize(c, c->x, c->y, nw, nh, True); break; } } while(ev.type != ButtonRelease); if(usegrab) XUngrabServer(dpy); 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)); } void restack(void) { Client *c; XEvent ev; XWindowChanges wc; drawbar(); if(!sel) return; if(sel->isfloating || !lt[sellt]->arrange) XRaiseWindow(dpy, sel->win); if(lt[sellt]->arrange) { wc.stack_mode = Below; wc.sibling = barwin; for(c = 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 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[sellt]) sellt ^= 1; if(arg && arg->v) lt[sellt] = (Layout *)arg->v; if(sel) arrange(); else drawbar(); } /* arg > 1.0 will set mfact absolutly */ void setmfact(const Arg *arg) { float f; if(!arg || !lt[sellt]->arrange) return; f = arg->f < 1.0 ? arg->f + mfact : arg->f - 1.0; if(f < 0.1 || f > 0.9) return; mfact = f; arrange(); } void setup(void) { unsigned int i; int w; XSetWindowAttributes wa; /* init screen */ screen = DefaultScreen(dpy); root = RootWindow(dpy, screen); initfont(font); sx = 0; sy = 0; 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 */ wa.cursor = 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, 0); XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter); if(!dc.font.set) XSetFont(dpy, dc.gc, dc.font.xfont->fid); /* init bar */ for(blw = i = 0; LENGTH(layouts) > 1 && i < LENGTH(layouts); i++) { w = TEXTW(layouts[i].symbol); blw = MAX(blw, w); } wa.override_redirect = 1; wa.background_pixmap = ParentRelative; wa.event_mask = ButtonPressMask|ExposureMask; barwin = XCreateWindow(dpy, root, wx, by, ww, bh, 0, DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen), CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa); XDefineCursor(dpy, barwin, cursor[CurNormal]); XMapRaised(dpy, barwin); updatestatus(); /* EWMH support per view */ XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32, PropModeReplace, (unsigned char *) netatom, NetLast); /* select for events */ 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, unsigned int ntiled) { if(!c) return; if(ISVISIBLE(c)) { /* show clients top down */ if(c->isfloating || ntiled > 1) /* avoid unnecessary border reverts */ adjustborder(c, borderpx); XMoveWindow(dpy, c->win, c->x, c->y); if(!lt[sellt]->arrange || c->isfloating) resize(c, c->x, c->y, c->w, c->h, True); showhide(c->snext, ntiled); } else { /* hide clients bottom up */ showhide(c->snext, ntiled); 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(sel && arg->ui & TAGMASK) { sel->tags = arg->ui & TAGMASK; arrange(); } } 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(void) { int x, y, h, w, mw; unsigned int i, n; Client *c; for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next), n++); if(n == 0) return; /* master */ c = nexttiled(clients); mw = mfact * ww; adjustborder(c, n == 1 ? 0 : borderpx); resize(c, wx, wy, (n == 1 ? ww : mw) - 2 * c->bw, wh - 2 * c->bw, resizehints); if(--n == 0) return; /* tile stack */ x = (wx + mw > c->x + c->w) ? c->x + c->w + 2 * c->bw : wx + mw; y = wy; w = (wx + mw > c->x + c->w) ? wx + ww - x : ww - mw; h = wh / n; if(h < bh) h = wh; for(i = 0, c = nexttiled(c->next); c; c = nexttiled(c->next), i++) { adjustborder(c, borderpx); resize(c, x, y, w - 2 * c->bw, /* remainder */ ((i + 1 == n) ? wy + wh - y - 2 * c->bw : h - 2 * c->bw), resizehints); if(h != wh) y = c->y + HEIGHT(c); } } void togglebar(const Arg *arg) { showbar = !showbar; updategeom(); updatebar(); arrange(); } void togglefloating(const Arg *arg) { if(!sel) return; sel->isfloating = !sel->isfloating || sel->isfixed; if(sel->isfloating) resize(sel, sel->x, sel->y, sel->w, sel->h, True); arrange(); } void toggletag(const Arg *arg) { unsigned int mask; if (!sel) return; mask = sel->tags ^ (arg->ui & TAGMASK); if(sel && mask) { sel->tags = mask; arrange(); } } void toggleview(const Arg *arg) { unsigned int mask = tagset[seltags] ^ (arg->ui & TAGMASK); if(mask) { tagset[seltags] = mask; arrange(); } } 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); if(sel == c) focus(NULL); XUngrabButton(dpy, AnyButton, AnyModifier, c->win); setclientstate(c, WithdrawnState); free(c); XSync(dpy, False); XSetErrorHandler(xerror); XUngrabServer(dpy); arrange(); } void unmapnotify(XEvent *e) { Client *c; XUnmapEvent *ev = &e->xunmap; if((c = getclient(ev->window))) unmanage(c); } void updatebar(void) { if(dc.drawable != 0) XFreePixmap(dpy, dc.drawable); dc.drawable = XCreatePixmap(dpy, root, ww, bh, DefaultDepth(dpy, screen)); XMoveResizeWindow(dpy, barwin, wx, by, ww, bh); } void updategeom(void) { #ifdef XINERAMA int n, i = 0; XineramaScreenInfo *info = NULL; /* window area geometry */ if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) { if(n > 1) { int di, x, y; unsigned int dui; Window dummy; if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui)) for(i = 0; i < n; i++) if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height)) break; } wx = info[i].x_org; wy = showbar && topbar ? info[i].y_org + bh : info[i].y_org; ww = info[i].width; wh = showbar ? info[i].height - bh : info[i].height; XFree(info); } else #endif { wx = sx; wy = showbar && topbar ? sy + bh : sy; ww = sw; wh = showbar ? sh - bh : sh; } /* bar position */ by = showbar ? (topbar ? wy - bh : wy + wh) : -bh; } 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() { if(!gettextprop(root, XA_WM_NAME, stext, sizeof(stext))) strcpy(stext, "dwm-"VERSION); drawbar(); } void updatewmhints(Client *c) { XWMHints *wmh; if((wmh = XGetWMHints(dpy, c->win))) { if(c == 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) == tagset[seltags]) return; seltags ^= 1; /* toggle sel tagset */ if(arg->ui & TAGMASK) tagset[seltags] = arg->ui & TAGMASK; arrange(); } /* 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 = sel; if(!lt[sellt]->arrange || lt[sellt]->arrange == monocle || (sel && sel->isfloating)) return; if(c == nexttiled(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()) fprintf(stderr, "warning: no locale support\n"); if(!(dpy = XOpenDisplay(0))) 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 2025-07-18 22:29:06 +0000