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Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-12-15 01:49:25 +0000
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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[1024];
Bool *seltag;
int bx, by, bw, bh, bmw, masterd, screen, sx, sy, sw, sh, wax, way, waw, wah;
unsigned int master, ntags, numlockmask;
Atom wmatom[WMLast], netatom[NetLast];
Bool running = True;
Bool issel = 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, TopLeft);
		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 */
	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[ColBG] = getcolor(NORMBGCOLOR);
	dc.norm[ColFG] = getcolor(NORMFGCOLOR);
	dc.sel[ColBG] = getcolor(SELBGCOLOR);
	dc.sel[ColFG] = getcolor(SELFGCOLOR);
	dc.status[ColBG] = getcolor(STATUSBGCOLOR);
	dc.status[ColFG] = getcolor(STATUSFGCOLOR);
	setfont(FONT);
	/* geometry */
	bmw = textw(TILESYMBOL) > textw(FLOATSYMBOL) ?  textw(TILESYMBOL) : textw(FLOATSYMBOL);
	sx = sy = 0;
	sw = DisplayWidth(dpy, screen);
	sh = DisplayHeight(dpy, screen);
	master = MASTER;
	/* bar */
	bx = sx;
	by = sy;
	bw = sw;
	dc.h = bh = dc.font.height + 2;
	wa.override_redirect = 1;
	wa.background_pixmap = ParentRelative;
	wa.event_mask = ButtonPressMask | ExposureMask;
	barwin = XCreateWindow(dpy, root, bx, by, bw, 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 */
	issel = 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 2024-12-15 01:49:22 +0000