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dwm.c
changeset 1308 978d14197052
parent 1307 2c72f7c8826f
child 1309 3affae730034
equal deleted inserted replaced
1307:2c72f7c8826f 1308:978d14197052 
   143 static void configurenotify(XEvent *e);
 
   143 static void configurenotify(XEvent *e);
 
   144 static void configurerequest(XEvent *e);
 
   144 static void configurerequest(XEvent *e);
 
   145 static void destroynotify(XEvent *e);
 
   145 static void destroynotify(XEvent *e);
 
   146 static void detach(Client *c);
 
   146 static void detach(Client *c);
 
   147 static void detachstack(Client *c);
 
   147 static void detachstack(Client *c);
 
       
   148 static void die(const char *errstr, ...);
 
   148 static void drawbar(void);
 
   149 static void drawbar(void);
 
   149 static void drawsquare(Bool filled, Bool empty, Bool invert, ulong col[ColLast]);
 
   150 static void drawsquare(Bool filled, Bool empty, Bool invert, ulong col[ColLast]);
 
   150 static void drawtext(const char *text, ulong col[ColLast], Bool invert);
 
   151 static void drawtext(const char *text, ulong col[ColLast], Bool invert);
 
   151 static void enternotify(XEvent *e);
 
   152 static void enternotify(XEvent *e);
 
   152 static void eprint(const char *errstr, ...);
 
       
   153 static void expose(XEvent *e);
 
   153 static void expose(XEvent *e);
 
   154 static void focus(Client *c);
 
   154 static void focus(Client *c);
 
   155 static void focusin(XEvent *e);
 
   155 static void focusin(XEvent *e);
 
   156 static void focusstack(const Arg *arg);
 
   156 static void focusstack(const Arg *arg);
 
   157 static Client *getclient(Window w);
 
   157 static Client *getclient(Window w);
 
   341 
   341 
   342 	/* this causes an error if some other window manager is running */
 
   342 	/* this causes an error if some other window manager is running */
 
   343 	XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask);
 
   343 	XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask);
 
   344 	XSync(dpy, False);
 
   344 	XSync(dpy, False);
 
   345 	if(otherwm)
 
   345 	if(otherwm)
 
   346 		eprint("dwm: another window manager is already running\n");
 
   346 		die("dwm: another window manager is already running\n");
 
   347 	XSetErrorHandler(NULL);
 
   347 	XSetErrorHandler(NULL);
 
   348 	xerrorxlib = XSetErrorHandler(xerror);
 
   348 	xerrorxlib = XSetErrorHandler(xerror);
 
   349 	XSync(dpy, False);
 
   349 	XSync(dpy, False);
 
   350 }
 
   350 }
 
   351 
   351 
   472 	for(tc = &stack; *tc && *tc != c; tc = &(*tc)->snext);
 
   472 	for(tc = &stack; *tc && *tc != c; tc = &(*tc)->snext);
 
   473 	*tc = c->snext;
 
   473 	*tc = c->snext;
 
   474 }
 
   474 }
 
   475 
   475 
   476 void
 
   476 void
 
       
   477 die(const char *errstr, ...) {
 
       
   478 	va_list ap;
 
       
   479 
       
   480 	va_start(ap, errstr);
 
       
   481 	vfprintf(stderr, errstr, ap);
 
       
   482 	va_end(ap);
 
       
   483 	exit(EXIT_FAILURE);
 
       
   484 }
 
       
   485 
       
   486 void
 
   477 drawbar(void) {
 
   487 drawbar(void) {
 
   478 	int i, x;
 
   488 	int i, x;
 
   479 
   489 
   480 	dc.x = 0;
 
   490 	dc.x = 0;
 
   481 	for(i = 0; i < LENGTH(tags); i++) {
 
   491 	for(i = 0; i < LENGTH(tags); i++) {
 
   579 	else
 
   589 	else
 
   580 		focus(NULL);
 
   590 		focus(NULL);
 
   581 }
 
   591 }
 
   582 
   592 
   583 void
 
   593 void
 
   584 eprint(const char *errstr, ...) {
 
       
   585 	va_list ap;
 
       
   586 
       
   587 	va_start(ap, errstr);
 
       
   588 	vfprintf(stderr, errstr, ap);
 
       
   589 	va_end(ap);
 
       
   590 	exit(EXIT_FAILURE);
 
       
   591 }
 
       
   592 
       
   593 void
 
       
   594 expose(XEvent *e) {
 
   594 expose(XEvent *e) {
 
   595 	XExposeEvent *ev = &e->xexpose;
 
   595 	XExposeEvent *ev = &e->xexpose;
 
   596 
   596 
   597 	if(ev->count == 0 && (ev->window == barwin))
 
   597 	if(ev->count == 0 && (ev->window == barwin))
 
   598 		drawbar();
 
   598 		drawbar();
 
   665 getcolor(const char *colstr) {
 
   665 getcolor(const char *colstr) {
 
   666 	Colormap cmap = DefaultColormap(dpy, screen);
 
   666 	Colormap cmap = DefaultColormap(dpy, screen);
 
   667 	XColor color;
 
   667 	XColor color;
 
   668 
   668 
   669 	if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
 
   669 	if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
 
   670 		eprint("error, cannot allocate color '%s'\n", colstr);
 
   670 		die("error, cannot allocate color '%s'\n", colstr);
 
   671 	return color.pixel;
 
   671 	return color.pixel;
 
   672 }
 
   672 }
 
   673 
   673 
   674 long
 
   674 long
 
   675 getstate(Window w) {
 
   675 getstate(Window w) {
 
   791 		if(dc.font.xfont)
 
   791 		if(dc.font.xfont)
 
   792 			XFreeFont(dpy, dc.font.xfont);
 
   792 			XFreeFont(dpy, dc.font.xfont);
 
   793 		dc.font.xfont = NULL;
 
   793 		dc.font.xfont = NULL;
 
   794 		if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
 
   794 		if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
 
   795 		&& !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
 
   795 		&& !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
 
   796 			eprint("error, cannot load font: '%s'\n", fontstr);
 
   796 			die("error, cannot load font: '%s'\n", fontstr);
 
   797 		dc.font.ascent = dc.font.xfont->ascent;
 
   797 		dc.font.ascent = dc.font.xfont->ascent;
 
   798 		dc.font.descent = dc.font.xfont->descent;
 
   798 		dc.font.descent = dc.font.xfont->descent;
 
   799 	}
 
   799 	}
 
   800 	dc.font.height = dc.font.ascent + dc.font.descent;
 
   800 	dc.font.height = dc.font.ascent + dc.font.descent;
 
   801 }
 
   801 }
 
   875 	Status rettrans;
 
   875 	Status rettrans;
 
   876 	Window trans;
 
   876 	Window trans;
 
   877 	XWindowChanges wc;
 
   877 	XWindowChanges wc;
 
   878 
   878 
   879 	if(!(c = calloc(1, sizeof(Client))))
 
   879 	if(!(c = calloc(1, sizeof(Client))))
 
   880 		eprint("fatal: could not calloc() %u bytes\n", sizeof(Client));
 
   880 		die("fatal: could not calloc() %u bytes\n", sizeof(Client));
 
   881 	c->win = w;
 
   881 	c->win = w;
 
   882 
   882 
   883 	/* geometry */
 
   883 	/* geometry */
 
   884 	c->x = wa->x;
 
   884 	c->x = wa->x;
 
   885 	c->y = wa->y;
 
   885 	c->y = wa->y;
 
  1214 			FD_SET(STDIN_FILENO, &rd);
 
  1214 			FD_SET(STDIN_FILENO, &rd);
 
  1215 		FD_SET(xfd, &rd);
 
  1215 		FD_SET(xfd, &rd);
 
  1216 		if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) {
 
  1216 		if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) {
 
  1217 			if(errno == EINTR)
 
  1217 			if(errno == EINTR)
 
  1218 				continue;
 
  1218 				continue;
 
  1219 			eprint("select failed\n");
 
  1219 			die("select failed\n");
 
  1220 		}
 
  1220 		}
 
  1221 		if(FD_ISSET(STDIN_FILENO, &rd)) {
 
  1221 		if(FD_ISSET(STDIN_FILENO, &rd)) {
 
  1222 			switch((r = read(STDIN_FILENO, sbuf + offset, len - offset))) {
 
  1222 			switch((r = read(STDIN_FILENO, sbuf + offset, len - offset))) {
 
  1223 			case -1:
 
  1223 			case -1:
 
  1224 				strncpy(stext, strerror(errno), len);
 
  1224 				strncpy(stext, strerror(errno), len);
 
  1693 }
 
  1693 }
 
  1694 
  1694 
  1695 int
 
  1695 int
 
  1696 main(int argc, char *argv[]) {
 
  1696 main(int argc, char *argv[]) {
 
  1697 	if(argc == 2 && !strcmp("-v", argv[1]))
 
  1697 	if(argc == 2 && !strcmp("-v", argv[1]))
 
  1698 		eprint("dwm-"VERSION", © 2006-2008 dwm engineers, see LICENSE for details\n");
 
  1698 		die("dwm-"VERSION", © 2006-2008 dwm engineers, see LICENSE for details\n");
 
  1699 	else if(argc != 1)
 
  1699 	else if(argc != 1)
 
  1700 		eprint("usage: dwm [-v]\n");
 
  1700 		die("usage: dwm [-v]\n");
 
  1701 
  1701 
  1702 	if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
 
  1702 	if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
 
  1703 		fprintf(stderr, "warning: no locale support\n");
 
  1703 		fprintf(stderr, "warning: no locale support\n");
 
  1704 
  1704 
  1705 	if(!(dpy = XOpenDisplay(0)))
 
  1705 	if(!(dpy = XOpenDisplay(0)))
 
  1706 		eprint("dwm: cannot open display\n");
 
  1706 		die("dwm: cannot open display\n");
 
  1707 
  1707 
  1708 	checkotherwm();
 
  1708 	checkotherwm();
 
  1709 	setup();
 
  1709 	setup();
 
  1710 	scan();
 
  1710 	scan();
 
  1711 	run();
 
  1711 	run();
dwm