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Remove stray spaces.
[spectrwm.git] / scrotwm.c
index e51220d..789aca0 100644 (file)
--- a/scrotwm.c
+++ b/scrotwm.c
@@ -563,20 +563,22 @@ struct ewmh_hint {
 void            store_float_geom(struct ws_win *, struct swm_region *);
 int             floating_toggle_win(struct ws_win *);
 void            spawn_select(struct swm_region *, union arg *, char *, int *);
-unsigned char  *get_win_name(Display *, Window, Atom, Atom, unsigned long *);
+unsigned char  *get_win_name(Window);
 
 int
-get_property(Window id, Atom atom, long count, Atom type,
-    unsigned long *n, unsigned char **data)
+get_property(Window id, Atom atom, long count, Atom type, unsigned long *nitems,
+    unsigned long *nbytes, unsigned char **data)
 {
        int                     format, status;
-       unsigned long           tmp, extra;
-       unsigned long           *nitems;
+       unsigned long           *nbytes_ret, *nitems_ret;
+       unsigned long           nbytes_tmp, nitems_tmp;
        Atom                    real;
 
-       nitems = n != NULL ? n : &tmp;
+       nbytes_ret = nbytes != NULL ? nbytes : &nbytes_tmp;
+       nitems_ret = nitems != NULL ? nitems : &nitems_tmp;
+
        status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
-           &real, &format, nitems, &extra, data);
+           &real, &format, nitems_ret, nbytes_ret, data);
 
        if (status != Success)
                return False;
@@ -670,7 +672,7 @@ teardown_ewmh(void)
        for (i = 0; i < ScreenCount(display); i++) {
                /* Get the support check window and destroy it */
                success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
-                   &n, &data);
+                   &n, NULL, &data);
 
                if (success) {
                        id = data[0];
@@ -691,7 +693,7 @@ ewmh_autoquirk(struct ws_win *win)
        Atom                    type;
 
        success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
-           XA_ATOM, &n, (void *)&data);
+           XA_ATOM, &n, NULL, (void *)&data);
 
        if (!success) {
                XFree(data);
@@ -877,7 +879,7 @@ ewmh_get_win_state(struct ws_win *win)
                win->ewmh_flags |= SWM_F_MANUAL;
 
        success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
-           (~0L), XA_ATOM, &n, (void *)&states);
+           (~0L), XA_ATOM, &n, NULL, (void *)&states);
 
        if (!success)
                return;
@@ -1026,34 +1028,34 @@ dumpwins(struct swm_region *r, union arg *args)
        XWindowAttributes       wa;
 
        if (r->ws == NULL) {
-               fprintf(stderr, "dumpwins: invalid workspace\n");
+               warnx("dumpwins: invalid workspace");
                return;
        }
 
-       fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
+       warnx("=== managed window list ws %02d ===", r->ws->idx);
 
        TAILQ_FOREACH(win, &r->ws->winlist, entry) {
                state = getstate(win->id);
                if (!XGetWindowAttributes(display, win->id, &wa))
-                       fprintf(stderr, "window: 0x%lx, failed "
-                           "XGetWindowAttributes\n", win->id);
-               fprintf(stderr, "window: 0x%lx, map_state: %d, state: %d, "
-                   "transient: 0x%lx\n",
-                   win->id, wa.map_state, state, win->transient);
+                       warnx("window: 0x%lx, failed XGetWindowAttributes",
+                           win->id);
+               warnx("window: 0x%lx, map_state: %d, state: %d, "
+                   "transient: 0x%lx", win->id, wa.map_state, state,
+                   win->transient);
        }
 
-       fprintf(stderr, "===== unmanaged window list =====\n");
+       warnx("===== unmanaged window list =====");
        TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
                state = getstate(win->id);
                if (!XGetWindowAttributes(display, win->id, &wa))
-                       fprintf(stderr, "window: 0x%lx, failed "
-                           "XGetWindowAttributes\n", win->id);
-               fprintf(stderr, "window: 0x%lx, map_state: %d, state: %d, "
-                   "transient: 0x%lx\n",
-                   win->id, wa.map_state, state, win->transient);
+                       warnx("window: 0x%lx, failed XGetWindowAttributes",
+                           win->id);
+               warnx("window: 0x%lx, map_state: %d, state: %d, "
+                   "transient: 0x%lx", win->id, wa.map_state, state,
+                   win->transient);
        }
 
-       fprintf(stderr, "=================================\n");
+       warnx("=================================");
 }
 #else
 void
@@ -1183,7 +1185,7 @@ name_to_color(char *colorname)
        if (status)
                result = screen_def.pixel;
        else
-               fprintf(stderr, "color '%s' not found.\n", colorname);
+               warnx("color '%s' not found", colorname);
 
        return (result);
 }
@@ -1250,9 +1252,8 @@ custom_region(char *val)
            y > DisplayHeight(display, sidx) ||
            w + x > DisplayWidth(display, sidx) ||
            h + y > DisplayHeight(display, sidx)) {
-               fprintf(stderr, "ignoring region %ux%u+%u+%u "
-                   "- not within screen boundaries "
-                   "(%ux%u)\n", w, h, x, y,
+               warnx("ignoring region %ux%u+%u+%u - not within screen "
+                   "boundaries (%ux%u)", w, h, x, y,
                    DisplayWidth(display, sidx), DisplayHeight(display, sidx));
                return;
        }
@@ -1355,11 +1356,10 @@ void
 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
 {
        unsigned char           *title;
-       unsigned long           len;
 
        if (window_name_enabled && cur_focus != NULL) {
-               if ((title = get_win_name(display, cur_focus->id, a_netwmname,
-                   a_utf8_string, &len)) != NULL) {
+               title = get_win_name(cur_focus->id);
+               if (title != NULL) {
                        DNPRINTF(SWM_D_BAR, "bar_window_name: title: %s\n",
                            title);
 
@@ -1434,8 +1434,7 @@ bar_update(void)
                                strlcpy((char *)bar_ext, b, sizeof bar_ext);
                        }
                if (b == NULL && errno != EAGAIN) {
-                       fprintf(stderr, "bar_update: bar_extra failed: "
-                           "errno: %d %s\n", errno, strerror(errno));
+                       warn("bar_update: bar_extra failed");
                        bar_extra_stop();
                }
        } else
@@ -1446,7 +1445,8 @@ bar_update(void)
        else {
                time(&tmt);
                localtime_r(&tmt, &tm);
-               strftime(s, sizeof s, clock_format, &tm);
+               len = strftime(s, sizeof s, clock_format, &tm);
+               s[len] = '\0';
                strlcat(s, "    ", sizeof s);
        }
 
@@ -1652,7 +1652,7 @@ getstate(Window w)
        unsigned char           *p = NULL;
        unsigned long           n;
 
-       if (!get_property(w, astate, 2L, astate, &n, &p))
+       if (!get_property(w, astate, 2L, astate, &n, NULL, &p))
                return (-1);
        if (n != 0)
                result = *((long *)p);
@@ -1872,8 +1872,7 @@ restart(struct swm_region *r, union arg *args)
        unmap_all();
        XCloseDisplay(display);
        execvp(start_argv[0], start_argv);
-       fprintf(stderr, "execvp failed\n");
-       perror(" failed");
+       warn("execvp failed");
        quit(NULL, NULL);
 }
 
@@ -1967,7 +1966,7 @@ spawn(int ws_idx, union arg *args, int close_fd)
        setenv("LD_PRELOAD", SWM_LIB, 1);
 
        if (asprintf(&ret, "%d", ws_idx) == -1) {
-               perror("_SWM_WS");
+               warn("spawn: asprintf SWM_WS");
                _exit(1);
        }
        setenv("_SWM_WS", ret, 1);
@@ -1975,7 +1974,7 @@ spawn(int ws_idx, union arg *args, int close_fd)
        ret = NULL;
 
        if (asprintf(&ret, "%d", getpid()) == -1) {
-               perror("_SWM_PID");
+               warn("spawn: asprintf _SWM_PID");
                _exit(1);
        }
        setenv("_SWM_PID", ret, 1);
@@ -1983,7 +1982,7 @@ spawn(int ws_idx, union arg *args, int close_fd)
        ret = NULL;
 
        if (setsid() == -1) {
-               perror("setsid");
+               warn("spawn: setsid");
                _exit(1);
        }
 
@@ -1994,7 +1993,7 @@ spawn(int ws_idx, union arg *args, int close_fd)
                 * leave stderr open to record errors
                */
                if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
-                       perror("open");
+                       warn("spawn: open");
                        _exit(1);
                }
                dup2(fd, STDIN_FILENO);
@@ -2005,7 +2004,7 @@ spawn(int ws_idx, union arg *args, int close_fd)
 
        execvp(args->argv[0], args->argv);
 
-       perror("execvp");
+       warn("spawn: execvp");
        _exit(1);
 }
 
@@ -2209,7 +2208,7 @@ focus_win(struct ws_win *win)
                    PropModeReplace, (unsigned char *)&win->id,1);
        }
 
-       if (window_name_enabled)
+       if (window_name_enabled || title_class_enabled || title_name_enabled)
                bar_update();
 }
 
@@ -2388,7 +2387,7 @@ sort_windows(struct ws_win_list *wl)
                if (win->transient) {
                        parent = find_window(win->transient);
                        if (parent == NULL) {
-                               fprintf(stderr, "not possible bug\n");
+                               warnx("not possible bug");
                                continue;
                        }
                        TAILQ_REMOVE(wl, win, entry);
@@ -3315,32 +3314,28 @@ iconify(struct swm_region *r, union arg *args)
 }
 
 unsigned char *
-get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
-    unsigned long *slen)
+get_win_name(Window win)
 {
-       int                     status, retfmt;
-       unsigned long           nitems, nbytes, nextra;
        unsigned char           *prop = NULL;
-       Atom                    rettype;
-
-       status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
-           &rettype, &retfmt,  &nitems, &nbytes, &prop);
-       if (status != Success)
-               return (NULL);
-       XFree(prop);
+       unsigned long           nbytes, nitems;
 
-       status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
-           stype, &rettype, &retfmt, &nitems, &nextra, &prop);
-       if (status != Success) {
+       /* try _NET_WM_NAME first */
+       if (get_property(win, a_netwmname, 0L, a_utf8_string, NULL, &nbytes,
+           &prop)) {
                XFree(prop);
-               return (NULL);
+               if (get_property(win, a_netwmname, nbytes, a_utf8_string,
+                   &nitems, NULL, &prop))
+                       return (prop);
        }
-       if (rettype != stype) {
-               XFree(prop);
+
+       /* fallback to WM_NAME */
+       if (!get_property(win, a_wmname, 0L, a_string, NULL, &nbytes, &prop))
                return (NULL);
-       }
-       *slen = nitems;
-       return (prop);
+       XFree(prop);
+       if (get_property(win, a_wmname, nbytes, a_string, &nitems, NULL, &prop))
+               return (prop);
+
+       return (NULL);
 }
 
 void
@@ -3350,7 +3345,6 @@ uniconify(struct swm_region *r, union arg *args)
        FILE                    *lfile;
        unsigned char           *name;
        int                     count = 0;
-       unsigned long           len;
 
        DNPRINTF(SWM_D_MISC, "uniconify\n");
 
@@ -3382,8 +3376,7 @@ uniconify(struct swm_region *r, union arg *args)
                if (win->iconic == 0)
                        continue;
 
-               name = get_win_name(display, win->id, a_netwmname,
-                   a_utf8_string, &len);
+               name = get_win_name(win->id);
                if (name == NULL)
                        continue;
                fprintf(lfile, "%s.%lu\n", name, win->id);
@@ -3491,8 +3484,7 @@ search_win(struct swm_region *r, union arg *args)
 
                sw = calloc(1, sizeof(struct search_window));
                if (sw == NULL) {
-                       fprintf(stderr, "search_win: calloc: %s",
-                           strerror(errno));
+                       warn("search_win: calloc");
                        fclose(lfile);
                        search_win_cleanup();
                        return;
@@ -3541,8 +3533,7 @@ search_resp_uniconify(char *resp, unsigned long len)
        TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
                if (win->iconic == 0)
                        continue;
-               name = get_win_name(display, win->id, a_netwmname,
-                   a_utf8_string, &len);
+               name = get_win_name(win->id);
                if (name == NULL)
                        continue;
                if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
@@ -3665,13 +3656,13 @@ search_do_resp(void)
        searchpid = 0;
 
        if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
-               fprintf(stderr, "search: calloc\n");
+               warn("search: calloc");
                goto done;
        }
 
        rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
        if (rbytes <= 0) {
-               fprintf(stderr, "search: read error: %s\n", strerror(errno));
+               warn("search: read error");
                goto done;
        }
        resp[rbytes] = '\0';
@@ -4390,8 +4381,7 @@ spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
                        prog = &spawns[i];
        }
        if (prog == NULL) {
-               fprintf(stderr, "spawn_custom: program %s not found\n",
-                   spawn_name);
+               warnx("spawn_custom: program %s not found", spawn_name);
                return (-1);
        }
 
@@ -4555,8 +4545,7 @@ setspawn(struct spawn_prog *prog)
        }
 
        if (prog->argv == NULL) {
-               fprintf(stderr,
-                   "error: setspawn: cannot find program: %s", prog->name);
+               warnx("error: setspawn: cannot find program: %s", prog->name);
                free(prog);
                return;
        }
@@ -4568,8 +4557,7 @@ setspawn(struct spawn_prog *prog)
                spawns = malloc((size_t)spawns_size *
                    sizeof(struct spawn_prog));
                if (spawns == NULL) {
-                       fprintf(stderr, "setspawn: malloc failed\n");
-                       perror(" failed");
+                       warn("setspawn: malloc failed");
                        quit(NULL, NULL);
                }
        } else if (spawns_length == spawns_size) {
@@ -4578,8 +4566,7 @@ setspawn(struct spawn_prog *prog)
                spawns = realloc(spawns, (size_t)spawns_size *
                    sizeof(struct spawn_prog));
                if (spawns == NULL) {
-                       fprintf(stderr, "setspawn: realloc failed\n");
-                       perror(" failed");
+                       warn("setspawn: realloc failed");
                        quit(NULL, NULL);
                }
        }
@@ -4590,9 +4577,9 @@ setspawn(struct spawn_prog *prog)
                i = spawns_length++;
                spawns[i] = *prog;
        } else {
-               fprintf(stderr, "spawns array problem?\n");
+               warnx("spawns array problem?");
                if (spawns == NULL) {
-                       fprintf(stderr, "spawns array is NULL!\n");
+                       warnx("spawns array is NULL!");
                        quit(NULL, NULL);
                }
        }
@@ -5542,7 +5529,7 @@ conf_load(char *filename, int keymapping)
        DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
 
        if (filename == NULL) {
-               fprintf(stderr, "conf_load: no filename\n");
+               warnx("conf_load: no filename");
                return (1);
        }
        if ((config = fopen(filename, "r")) == NULL) {
@@ -5621,12 +5608,9 @@ conf_load(char *filename, int keymapping)
                optval = strdup(cp);
                /* call function to deal with it all */
                if (configopt[optind].func(optsub, optval,
-                   configopt[optind].funcflags) != 0) {
-                       fprintf(stderr, "%s line %zd: %s\n",
-                           filename, lineno, line);
+                   configopt[optind].funcflags) != 0)
                        errx(1, "%s: line %zd: invalid data for %s",
                            filename, lineno, configopt[optind].optname);
-               }
                free(optval);
                free(optsub);
                free(line);
@@ -5661,7 +5645,7 @@ set_child_transient(struct ws_win *win, Window *trans)
                    " for 0x%lx trans 0x%lx\n", win->id, win->transient);
 
                if (win->hints == NULL) {
-                       fprintf(stderr, "no hints for 0x%lx\n", win->id);
+                       warnx("no hints for 0x%lx", win->id);
                        return;
                }
 
@@ -5673,8 +5657,7 @@ set_child_transient(struct ws_win *win, Window *trans)
                                XFree(wmh);
 
                        if ((wmh = XGetWMHints(display, w->id)) == NULL) {
-                               fprintf(stderr, "can't get hints for 0x%lx\n",
-                                   w->id);
+                               warnx("can't get hints for 0x%lx", w->id);
                                continue;
                        }
 
@@ -5845,9 +5828,8 @@ manage_window(Window id)
                                        if (ww->ws->r)
                                                r = ww->ws->r;
                                        else
-                                               fprintf(stderr,
-                                                   "manage_window: fix this "
-                                                   "bug mcbride\n");
+                                               warnx("manage_window: fix this "
+                                                   "bug mcbride");
                                        border_me = 1;
                                }
        }
@@ -6330,7 +6312,7 @@ focusevent(XEvent *e)
                            SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
                break;
        default:
-               fprintf(stderr, "ignoring focusevent\n");
+               warnx("ignoring focusevent");
                DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
                break;
        }
@@ -6418,11 +6400,11 @@ propertynotify(XEvent *e)
        case XA_WM_NORMAL_HINTS:
                long            mask;
                XGetWMNormalHints(display, win->id, &win->sh, &mask);
-               fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
+               warnx("normal hints: flag 0x%x", win->sh.flags);
                if (win->sh.flags & PMinSize) {
                        WIDTH(win) = win->sh.min_width;
                        HEIGHT(win) = win->sh.min_height;
-                       fprintf(stderr, "min %d %d\n", WIDTH(win), HEIGHT(win));
+                       warnx("min %d %d", WIDTH(win), HEIGHT(win));
                }
                XMoveResizeWindow(display, win->id,
                    X(win), Y(win), WIDTH(win), HEIGHT(win));
@@ -6559,7 +6541,7 @@ xerror_start(Display *d, XErrorEvent *ee)
 int
 xerror(Display *d, XErrorEvent *ee)
 {
-       /* fprintf(stderr, "error: %p %p\n", display, ee); */
+       /* warnx("error: %p %p", display, ee); */
        return (-1);
 }
 
@@ -6918,8 +6900,7 @@ main(int argc, char *argv[])
        struct sigaction        sact;
 
        start_argv = argv;
-       fprintf(stderr, "Welcome to scrotwm V%s Build: %s\n",
-           SCROTWM_VERSION, buildstr);
+       warnx("Welcome to scrotwm V%s Build: %s", SCROTWM_VERSION, buildstr);
        if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
            !XSupportsLocale())
                warnx("no locale support");