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Some cleanup.
[spectrwm.git] / spectrwm.c
index 5c88059..ce0ea78 100644 (file)
@@ -141,6 +141,7 @@ static const char   *buildstr = SPECTRWM_VERSION;
 #define xcb_icccm_get_wm_class_reply_t         xcb_get_wm_class_reply_t
 #define xcb_icccm_get_wm_class_reply_wipe      xcb_get_wm_class_reply_wipe
 #define xcb_icccm_get_wm_hints                 xcb_get_wm_hints
+#define xcb_icccm_wm_hints_get_urgency         xcb_wm_hints_get_urgency
 #define xcb_icccm_get_wm_hints_reply           xcb_get_wm_hints_reply
 #define        xcb_icccm_get_wm_name                   xcb_get_wm_name
 #define xcb_icccm_get_wm_name_reply            xcb_get_wm_name_reply
@@ -244,6 +245,7 @@ u_int32_t           swm_debug = 0
 #define SH_INC_H(w)            (w)->sh.height_inc
 #define SWM_MAX_FONT_STEPS     (3)
 #define WINID(w)               ((w) ? (w)->id : XCB_WINDOW_NONE)
+#define WS_FOCUSED(ws)         ((ws)->r && (ws)->r->s->r_focus == (ws)->r)
 #define YESNO(x)               ((x) ? "yes" : "no")
 
 /* Constrain Window flags */
@@ -568,6 +570,7 @@ union arg {
 #define SWM_ARG_ID_FOCUSNEXT   (0)
 #define SWM_ARG_ID_FOCUSPREV   (1)
 #define SWM_ARG_ID_FOCUSMAIN   (2)
+#define SWM_ARG_ID_FOCUSURGENT (3)
 #define SWM_ARG_ID_SWAPNEXT    (10)
 #define SWM_ARG_ID_SWAPPREV    (11)
 #define SWM_ARG_ID_SWAPMAIN    (12)
@@ -743,6 +746,7 @@ enum keyfuncid {
        KF_FOCUS_MAIN,
        KF_FOCUS_NEXT,
        KF_FOCUS_PREV,
+       KF_FOCUS_URGENT,
        KF_HEIGHT_GROW,
        KF_HEIGHT_SHRINK,
        KF_ICONIFY,
@@ -1290,7 +1294,7 @@ get_swm_iconic(struct ws_win *win)
        pr = xcb_get_property_reply(conn,
            xcb_get_property(conn, 0, win->id, a_swm_iconic,
            XCB_ATOM_INTEGER, 0, 1), NULL);
-       if (!pr)
+       if (pr == NULL)
                goto out;
        if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
                goto out;
@@ -1343,7 +1347,7 @@ teardown_ewmh(void)
                pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
                    XCB_ATOM_WINDOW, 0, 1);
                pr = xcb_get_property_reply(conn, pc, NULL);
-               if (!pr)
+               if (pr == NULL)
                        continue;
                if (pr->format == sup_check) {
                        id = *((xcb_window_t *)xcb_get_property_value(pr));
@@ -1367,7 +1371,7 @@ ewmh_autoquirk(struct ws_win *win)
        c = xcb_get_property(conn, 0, win->id,
            ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
        r = xcb_get_property_reply(conn, c, NULL);
-       if (!r)
+       if (r == NULL)
                return;
 
        n = xcb_get_property_value_length(r);
@@ -1404,7 +1408,7 @@ ewmh_autoquirk(struct ws_win *win)
 int
 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 {
-       if (!win->ws->r)
+       if (win->ws->r == NULL)
                return (0);
 
        if (!win->floating)
@@ -1547,7 +1551,7 @@ ewmh_get_win_state(struct ws_win *win)
        c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
            XCB_ATOM_ATOM, 0, UINT32_MAX);
        r = xcb_get_property_reply(conn, c, NULL);
-       if (!r)
+       if (r == NULL)
                return;
 
        states = xcb_get_property_value(r);
@@ -1716,7 +1720,7 @@ name_to_pixel(int sidx, const char *colorname)
                nr = xcb_alloc_named_color_reply(conn,
                        xcb_alloc_named_color(conn, cmap, strlen(colorname),
                            colorname), NULL);
-               if (!nr) {
+               if (nr == NULL) {
                        strlcat(cname, colorname + 2, sizeof cname - 1);
                        nr = xcb_alloc_named_color_reply(conn,
                            xcb_alloc_named_color(conn, cmap, strlen(cname),
@@ -2517,7 +2521,7 @@ xft_init(struct swm_region *r)
                                                font);
                        }
 
-                       if (!bar_font) {
+                       if (bar_font == NULL) {
                                warnx("unable to load font %s", font);
                                continue;
                        } else {
@@ -2638,7 +2642,6 @@ getstate(xcb_window_t w)
 
        c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
        r = xcb_get_property_reply(conn, c, NULL);
-
        if (r) {
                if (r->type == a_state && r->format == 32 && r->length == 2)
                        result = *((uint32_t *)xcb_get_property_value(r));
@@ -2984,7 +2987,6 @@ root_to_region(xcb_window_t root, int check)
                /* No region with an active focus; try to use pointer. */
                qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
                    screens[i].root), NULL);
-
                if (qpr) {
                        DNPRINTF(SWM_D_MISC, "root_to_region: pointer: "
                            "(%d,%d)\n", qpr->root_x, qpr->root_y);
@@ -3038,7 +3040,7 @@ find_window(xcb_window_t id)
                                        return (win);
 
        r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
-       if (!r)
+       if (r == NULL)
                return (NULL);
 
        /* if we were looking for the parent return that window instead */
@@ -3494,10 +3496,11 @@ focus_region(struct swm_region *r)
 void
 switchws(struct swm_region *r, union arg *args)
 {
-       int                     wsid = args->id, unmap_old = 0;
        struct swm_region       *this_r, *other_r;
        struct ws_win           *win;
        struct workspace        *new_ws, *old_ws;
+       xcb_window_t            none = XCB_WINDOW_NONE;
+       int                     wsid = args->id, unmap_old = 0;
 
        if (!(r && r->s))
                return;
@@ -3517,7 +3520,14 @@ switchws(struct swm_region *r, union arg *args)
        if (new_ws == old_ws)
                return;
 
-       unfocus_win(old_ws->focus);
+       if ((win = old_ws->focus) != NULL) {
+               xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
+                   &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
+
+               xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
+                   ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
+                   &none);
+       }
 
        other_r = new_ws->r;
        if (other_r == NULL) {
@@ -3536,8 +3546,11 @@ switchws(struct swm_region *r, union arg *args)
 
        /* Set focus_pending before stacking, if needed. */
        if (focus_mode != SWM_FOCUS_FOLLOW && (!new_ws->focus_pending ||
-           validate_win(new_ws->focus_pending)))
+           validate_win(new_ws->focus_pending))) {
                new_ws->focus_pending = get_region_focus(new_ws->r);
+               new_ws->focus = new_ws->focus_prev;
+               new_ws->focus_prev = NULL;
+       }
 
        stack();
 
@@ -3647,7 +3660,7 @@ focusrg(struct swm_region *r, union arg *args)
        DNPRINTF(SWM_D_FOCUS, "focusrg: id: %d\n", ridx);
 
        rr = TAILQ_FIRST(&r->s->rl);
-       for (i = 0; i < ridx; ++i)
+       for (i = 0; i < ridx && rr != NULL; ++i)
                rr = TAILQ_NEXT(rr, entry);
 
        if (rr == NULL)
@@ -3933,86 +3946,107 @@ focus(struct swm_region *r, union arg *args)
        struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
        struct ws_win_list      *wl = NULL;
        struct workspace        *ws = NULL;
-       int                     all_iconics;
+       union arg               a;
+       int                     i;
+       xcb_icccm_wm_hints_t    hints;
 
        if (!(r && r->ws))
-               return;
+               goto out;
 
        DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
 
-       if ((cur_focus = r->ws->focus) == NULL)
-               return;
+       cur_focus = r->ws->focus;
        ws = r->ws;
        wl = &ws->winlist;
-       if (TAILQ_EMPTY(wl))
-               return;
-       /* make sure there is at least one uniconified window */
-       all_iconics = 1;
-       TAILQ_FOREACH(winfocus, wl, entry)
-               if (!winfocus->iconic) {
-                       all_iconics = 0;
-                       break;
-               }
-       if (all_iconics)
-               return;
+
+       /* Make sure an uniconified window has focus, if one exists. */
+       if (cur_focus == NULL) {
+               cur_focus = TAILQ_FIRST(wl);
+               while (cur_focus != NULL && cur_focus->iconic)
+                       cur_focus = TAILQ_NEXT(cur_focus, entry);
+       }
 
        switch (args->id) {
        case SWM_ARG_ID_FOCUSPREV:
-               head = TAILQ_PREV(cur_focus, ws_win_list, entry);
-               if (head == NULL)
-                       head = TAILQ_LAST(wl, ws_win_list);
-               winfocus = head;
-               if (WINID(winfocus) == cur_focus->transient) {
-                       head = TAILQ_PREV(winfocus, ws_win_list, entry);
-                       if (head == NULL)
-                               head = TAILQ_LAST(wl, ws_win_list);
-                       winfocus = head;
-               }
+               if (cur_focus == NULL)
+                       goto out;
 
-               /* skip iconics */
-               if (winfocus && winfocus->iconic) {
-                       while (winfocus != cur_focus) {
-                               if (winfocus == NULL)
-                                       winfocus = TAILQ_LAST(wl, ws_win_list);
-                               if (!winfocus->iconic)
-                                       break;
-                               winfocus = TAILQ_PREV(winfocus, ws_win_list,
-                                   entry);
-                       }
-               }
+               winfocus = cur_focus;
+               do {
+                       winfocus = TAILQ_PREV(winfocus, ws_win_list, entry);
+                       if (winfocus == NULL)
+                               winfocus = TAILQ_LAST(wl, ws_win_list);
+                       if (winfocus == cur_focus)
+                               break;
+               } while (winfocus != NULL &&
+                   (winfocus->iconic || winfocus->id == cur_focus->transient));
                break;
-
        case SWM_ARG_ID_FOCUSNEXT:
-               head = TAILQ_NEXT(cur_focus, entry);
-               if (head == NULL)
-                       head = TAILQ_FIRST(wl);
-               winfocus = head;
-
-               /* skip iconics */
-               if (winfocus && winfocus->iconic) {
-                       while (winfocus != cur_focus) {
-                               if (winfocus == NULL)
-                                       winfocus = TAILQ_FIRST(wl);
-                               if (!winfocus->iconic)
-                                       break;
-                               winfocus = TAILQ_NEXT(winfocus, entry);
-                       }
-               }
-               break;
+               if (cur_focus == NULL)
+                       goto out;
 
+               winfocus = cur_focus;
+               do {
+                       winfocus = TAILQ_NEXT(winfocus, entry);
+                       if (winfocus == NULL)
+                               winfocus = TAILQ_FIRST(wl);
+                       if (winfocus == cur_focus)
+                               break;
+               } while (winfocus != NULL &&
+                   (winfocus->iconic || winfocus->id == cur_focus->transient));
+               break;
        case SWM_ARG_ID_FOCUSMAIN:
+               if (cur_focus == NULL)
+                       goto out;
+
                winfocus = TAILQ_FIRST(wl);
                if (winfocus == cur_focus)
                        winfocus = cur_focus->ws->focus_prev;
                break;
+       case SWM_ARG_ID_FOCUSURGENT:
+               /* Search forward for the next urgent window. */
+               winfocus = NULL;
+               head = cur_focus;
+
+               for (i = 0; i <= workspace_limit; ++i) {
+                       if (head == NULL)
+                               head = TAILQ_FIRST(&r->s->ws[(ws->idx + i) %
+                                   workspace_limit].winlist);
+
+                       while (head != NULL &&
+                           (head = TAILQ_NEXT(head, entry)) != NULL) {
+                               if (head == cur_focus) {
+                                       winfocus = cur_focus;
+                                       break;
+                               }
+                               if (xcb_icccm_get_wm_hints_reply(conn,
+                                   xcb_icccm_get_wm_hints(conn, head->id),
+                                   &hints, NULL) != 0 &&
+                                   xcb_icccm_wm_hints_get_urgency(&hints)) {
+                                       winfocus = head;
+                                       break;
+                               }
+                       }
+
+                       if (winfocus != NULL)
+                               break;
+               }
 
+               /* Switch ws if new focus is on a different ws. */
+               if (winfocus != NULL && winfocus->ws != ws) {
+                       a.id = winfocus->ws->idx;
+                       switchws(r, &a);
+               }
+               break;
        default:
-               return;
+               goto out;
        }
 
        focus_win(get_focus_magic(winfocus));
-
        focus_flush();
+
+out:
+       DNPRINTF(SWM_D_FOCUS, "focus: done\n");
 }
 
 void
@@ -4659,7 +4693,7 @@ send_to_rg(struct swm_region *r, union arg *args)
        DNPRINTF(SWM_D_FOCUS, "send_to_rg: id: %d\n", ridx);
 
        rr = TAILQ_FIRST(&r->s->rl);
-       for (i = 0; i < ridx; ++i)
+       for (i = 0; i < ridx && rr != NULL; ++i)
                rr = TAILQ_NEXT(rr, entry);
 
        if (rr == NULL)
@@ -4860,7 +4894,6 @@ get_win_name(xcb_window_t win)
        c = xcb_get_property(conn, 0, win, ewmh[_NET_WM_NAME].atom,
            XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
        r = xcb_get_property_reply(conn, c, NULL);
-
        if (r) {
                if (r->type == XCB_NONE) {
                        free(r);
@@ -4868,8 +4901,7 @@ get_win_name(xcb_window_t win)
                        c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
                            XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
                        r = xcb_get_property_reply(conn, c, NULL);
-
-                       if (!r)
+                       if (r == NULL)
                                return (NULL);
                        if (r->type == XCB_NONE) {
                                free(r);
@@ -5174,7 +5206,7 @@ search_resp_search_workspace(const char *resp)
        DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
 
        q = strdup(resp);
-       if (!q) {
+       if (q == NULL) {
                DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
                    strerror(errno));
                return;
@@ -5205,7 +5237,7 @@ search_resp_search_window(const char *resp)
        DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
 
        s = strdup(resp);
-       if (!s) {
+       if (s == NULL) {
                DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
                    strerror(errno));
                return;
@@ -5309,7 +5341,7 @@ floating_toggle_win(struct ws_win *win)
        if (win == NULL)
                return (0);
 
-       if (!win->ws->r)
+       if (win->ws->r == NULL)
                return (0);
 
        /* reject floating toggles in max stack mode */
@@ -5549,7 +5581,7 @@ resize(struct ws_win *win, union arg *args)
        /* get cursor offset from window root */
        xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
            NULL);
-       if (!xpr)
+       if (xpr == NULL)
                return;
 
        g = win->g;
@@ -5776,7 +5808,7 @@ move(struct ws_win *win, union arg *args)
        /* get cursor offset from window root */
        qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
                NULL);
-       if (!qpr) {
+       if (qpr == NULL) {
                xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
                return;
        }
@@ -5867,6 +5899,7 @@ struct keyfunc {
        { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
        { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
        { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
+       { "focus_urgent",       focus,          {.id = SWM_ARG_ID_FOCUSURGENT} },
        { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
        { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
        { "iconify",            iconify,        {0} },
@@ -6042,7 +6075,7 @@ spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
 
        /* find program */
        TAILQ_FOREACH(prog, &spawns, entry) {
-               if (!strcasecmp(spawn_name, prog->name))
+               if (strcasecmp(spawn_name, prog->name) == 0)
                        break;
        }
        if (prog == NULL) {
@@ -6058,43 +6091,43 @@ spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
        for (i = c = 0; i < prog->argc; i++) {
                ap = prog->argv[i];
                DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
-               if (!strcasecmp(ap, "$bar_border")) {
+               if (strcasecmp(ap, "$bar_border") == 0) {
                        if ((real_args[c] =
                            strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
                            == NULL)
                                err(1,  "spawn_custom border color");
-               } else if (!strcasecmp(ap, "$bar_color")) {
+               } else if (strcasecmp(ap, "$bar_color") == 0) {
                        if ((real_args[c] =
                            strdup(r->s->c[SWM_S_COLOR_BAR].name))
                            == NULL)
                                err(1, "spawn_custom bar color");
-               } else if (!strcasecmp(ap, "$bar_font")) {
+               } else if (strcasecmp(ap, "$bar_font") == 0) {
                        if ((real_args[c] = strdup(bar_fonts))
                            == NULL)
                                err(1, "spawn_custom bar fonts");
-               } else if (!strcasecmp(ap, "$bar_font_color")) {
+               } else if (strcasecmp(ap, "$bar_font_color") == 0) {
                        if ((real_args[c] =
                            strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
                            == NULL)
                                err(1, "spawn_custom color font");
-               } else if (!strcasecmp(ap, "$color_focus")) {
+               } else if (strcasecmp(ap, "$color_focus") == 0) {
                        if ((real_args[c] =
                            strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
                            == NULL)
                                err(1, "spawn_custom color focus");
-               } else if (!strcasecmp(ap, "$color_unfocus")) {
+               } else if (strcasecmp(ap, "$color_unfocus") == 0) {
                        if ((real_args[c] =
                            strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
                            == NULL)
                                err(1, "spawn_custom color unfocus");
-               } else if (!strcasecmp(ap, "$region_index")) {
+               } else if (strcasecmp(ap, "$region_index") == 0) {
                        if (asprintf(&real_args[c], "%d",
                            get_region_index(r) + 1) < 1)
                                err(1, "spawn_custom region index");
-               } else if (!strcasecmp(ap, "$workspace_index")) {
+               } else if (strcasecmp(ap, "$workspace_index") == 0) {
                        if (asprintf(&real_args[c], "%d", r->ws->idx + 1) < 1)
                                err(1, "spawn_custom workspace index");
-               } else if (!strcasecmp(ap, "$dmenu_bottom")) {
+               } else if (strcasecmp(ap, "$dmenu_bottom") == 0) {
                        if (!bar_at_bottom)
                                continue;
                        if ((real_args[c] = strdup("-b")) == NULL)
@@ -6239,7 +6272,7 @@ spawn_find(const char *name)
        struct spawn_prog       *sp;
 
        TAILQ_FOREACH(sp, &spawns, entry)
-               if (!strcasecmp(sp->name, name))
+               if (strcasecmp(sp->name, name) == 0)
                        return sp;
 
        return NULL;
@@ -6382,13 +6415,13 @@ parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
                        cp += (long)strspn(cp, SWM_KEY_WS);
                if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
                        *mod |= currmod;
-               else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
+               else if (strncasecmp(name, "Mod1", SWM_MODNAME_SIZE) == 0)
                        *mod |= XCB_MOD_MASK_1;
-               else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
+               else if (strncasecmp(name, "Mod2", SWM_MODNAME_SIZE) == 0)
                        *mod += XCB_MOD_MASK_2;
-               else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
+               else if (strncmp(name, "Mod3", SWM_MODNAME_SIZE) == 0)
                        *mod |= XCB_MOD_MASK_3;
-               else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
+               else if (strncmp(name, "Mod4", SWM_MODNAME_SIZE) == 0)
                        *mod |= XCB_MOD_MASK_4;
                else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
                        *mod |= XCB_MOD_MASK_SHIFT;
@@ -6566,6 +6599,7 @@ setup_keys(void)
        setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
        setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
        setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
+       setkeybinding(MODKEY,           XK_u,           KF_FOCUS_URGENT,NULL);
        setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
        setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
        setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
@@ -6845,7 +6879,8 @@ parsequirks(char *qstr, unsigned long *quirk)
                if (cp)
                        cp += (long)strspn(cp, SWM_Q_WS);
                for (i = 0; i < LENGTH(quirkname); i++) {
-                       if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
+                       if (strncasecmp(name, quirkname[i],
+                           SWM_QUIRK_LEN) == 0) {
                                DNPRINTF(SWM_D_QUIRK,
                                    "parsequirks: %s\n", name);
                                if (i == 0) {
@@ -6923,8 +6958,9 @@ setquirk(const char *class, const char *name, unsigned long quirk)
 
        /* Remove/replace existing quirk. */
        TAILQ_FOREACH(qp, &quirks, entry) {
-               if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
-                       if (!quirk)
+               if (strcmp(qp->class, class) == 0 &&
+                   strcmp(qp->name, name) == 0) {
+                       if (quirk == 0)
                                quirk_remove(qp);
                        else
                                quirk_replace(qp, class, name, quirk);
@@ -7091,11 +7127,11 @@ setconfvalue(char *selector, char *value, int flags)
                        err(1, "setconfvalue: bar_format");
                break;
        case SWM_S_BAR_JUSTIFY:
-               if (!strcmp(value, "left"))
+               if (strcmp(value, "left") == 0)
                        bar_justify = SWM_BAR_JUSTIFY_LEFT;
-               else if (!strcmp(value, "center"))
+               else if (strcmp(value, "center") == 0)
                        bar_justify = SWM_BAR_JUSTIFY_CENTER;
-               else if (!strcmp(value, "right"))
+               else if (strcmp(value, "right") == 0)
                        bar_justify = SWM_BAR_JUSTIFY_RIGHT;
                else
                        errx(1, "invalid bar_justify");
@@ -7135,13 +7171,13 @@ setconfvalue(char *selector, char *value, int flags)
                disable_border = atoi(value);
                break;
        case SWM_S_FOCUS_CLOSE:
-               if (!strcmp(value, "first"))
+               if (strcmp(value, "first") == 0)
                        focus_close = SWM_STACK_BOTTOM;
-               else if (!strcmp(value, "last"))
+               else if (strcmp(value, "last") == 0)
                        focus_close = SWM_STACK_TOP;
-               else if (!strcmp(value, "next"))
+               else if (strcmp(value, "next") == 0)
                        focus_close = SWM_STACK_ABOVE;
-               else if (!strcmp(value, "previous"))
+               else if (strcmp(value, "previous") == 0)
                        focus_close = SWM_STACK_BELOW;
                else
                        errx(1, "focus_close");
@@ -7150,20 +7186,20 @@ setconfvalue(char *selector, char *value, int flags)
                focus_close_wrap = atoi(value);
                break;
        case SWM_S_FOCUS_DEFAULT:
-               if (!strcmp(value, "last"))
+               if (strcmp(value, "last") == 0)
                        focus_default = SWM_STACK_TOP;
-               else if (!strcmp(value, "first"))
+               else if (strcmp(value, "first") == 0)
                        focus_default = SWM_STACK_BOTTOM;
                else
                        errx(1, "focus_default");
                break;
        case SWM_S_FOCUS_MODE:
-               if (!strcmp(value, "default"))
+               if (strcmp(value, "default") == 0)
                        focus_mode = SWM_FOCUS_DEFAULT;
-               else if (!strcmp(value, "follow") ||
-                   !strcmp(value, "follow_cursor"))
+               else if (strcmp(value, "follow") == 0 ||
+                   strcmp(value, "follow_cursor") == 0)
                        focus_mode = SWM_FOCUS_FOLLOW;
-               else if (!strcmp(value, "manual"))
+               else if (strcmp(value, "manual") == 0)
                        focus_mode = SWM_FOCUS_MANUAL;
                else
                        errx(1, "focus_mode");
@@ -7174,13 +7210,13 @@ setconfvalue(char *selector, char *value, int flags)
                        region_padding = 0;
                break;
        case SWM_S_SPAWN_ORDER:
-               if (!strcmp(value, "first"))
+               if (strcmp(value, "first") == 0)
                        spawn_position = SWM_STACK_BOTTOM;
-               else if (!strcmp(value, "last"))
+               else if (strcmp(value, "last") == 0)
                        spawn_position = SWM_STACK_TOP;
-               else if (!strcmp(value, "next"))
+               else if (strcmp(value, "next") == 0)
                        spawn_position = SWM_STACK_ABOVE;
-               else if (!strcmp(value, "previous"))
+               else if (strcmp(value, "previous") == 0)
                        spawn_position = SWM_STACK_BELOW;
                else
                        errx(1, "spawn_position");
@@ -7247,13 +7283,13 @@ setconfmodkey(char *selector, char *value, int flags)
        (void)selector;
        (void)flags;
 
-       if (!strncasecmp(value, "Mod1", strlen("Mod1")))
+       if (strncasecmp(value, "Mod1", strlen("Mod1")) == 0)
                update_modkey(XCB_MOD_MASK_1);
-       else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
+       else if (strncasecmp(value, "Mod2", strlen("Mod2")) == 0)
                update_modkey(XCB_MOD_MASK_2);
-       else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
+       else if (strncasecmp(value, "Mod3", strlen("Mod3")) == 0)
                update_modkey(XCB_MOD_MASK_3);
-       else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
+       else if (strncasecmp(value, "Mod4", strlen("Mod4")) == 0)
                update_modkey(XCB_MOD_MASK_4);
        else
                return (1);
@@ -7375,17 +7411,17 @@ setlayout(char *selector, char *value, int flags)
        if (ws_id < 0 || ws_id >= workspace_limit)
                errx(1, "layout: invalid workspace %d", ws_id + 1);
 
-       if (!strcasecmp(s, "vertical"))
+       if (strcasecmp(s, "vertical") == 0)
                st = SWM_V_STACK;
-       else if (!strcasecmp(s, "vertical_flip")) {
+       else if (strcasecmp(s, "vertical_flip") == 0) {
                st = SWM_V_STACK;
                f = 1;
-       } else if (!strcasecmp(s, "horizontal"))
+       } else if (strcasecmp(s, "horizontal") == 0)
                st = SWM_H_STACK;
-       else if (!strcasecmp(s, "horizontal_flip")) {
+       else if (strcasecmp(s, "horizontal_flip") == 0) {
                st = SWM_H_STACK;
                f = 1;
-       } else if (!strcasecmp(s, "fullscreen"))
+       } else if (strcasecmp(s, "fullscreen") == 0)
                st = SWM_MAX_STACK;
        else
                errx(1, "invalid layout entry, should be 'ws[<idx>]:"
@@ -7568,7 +7604,7 @@ conf_load(const char *filename, int keymapping)
                optidx = -1;
                for (i = 0; i < LENGTH(configopt); i++) {
                        opt = &configopt[i];
-                       if (!strncasecmp(cp, opt->optname, wordlen) &&
+                       if (strncasecmp(cp, opt->optname, wordlen) == 0 &&
                            (int)strlen(opt->optname) == wordlen) {
                                optidx = i;
                                break;
@@ -7701,7 +7737,7 @@ window_get_pid(xcb_window_t win)
 
        pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
        pr = xcb_get_property_reply(conn, pc, NULL);
-       if (!pr)
+       if (pr == NULL)
                goto tryharder;
        if (pr->type != XCB_ATOM_CARDINAL) {
                free(pr);
@@ -7719,7 +7755,7 @@ tryharder:
        pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
            0, SWM_PROPLEN);
        pr = xcb_get_property_reply(conn, pc, NULL);
-       if (!pr)
+       if (pr == NULL)
                return (0);
        if (pr->type != apid) {
                free(pr);
@@ -7745,7 +7781,7 @@ get_ws_idx(xcb_window_t id)
                xcb_get_property(conn, 0, id, a_swm_ws,
                    XCB_ATOM_STRING, 0, SWM_PROPLEN),
                NULL);
-       if (!gpr)
+       if (gpr == NULL)
                return (-1);
        if (gpr->type) {
                proplen = xcb_get_property_value_length(gpr);
@@ -7915,8 +7951,8 @@ manage_window(xcb_window_t id, uint16_t mapped)
                }
 
                TAILQ_FOREACH(qp, &quirks, entry) {
-                       if (!strcmp(win->ch.class_name, qp->class) &&
-                           !strcmp(win->ch.instance_name, qp->name)) {
+                       if (strcmp(win->ch.class_name, qp->class) == 0 &&
+                           strcmp(win->ch.instance_name, qp->name) == 0) {
                                DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
                                    "list; mask: 0x%lx\n", qp->quirk);
                                if (qp->quirk & SWM_Q_FLOAT)
@@ -8189,8 +8225,7 @@ print_win_geom(xcb_window_t w)
        xcb_get_geometry_reply_t        *wa;
 
        wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
-
-       if (!wa) {
+       if (wa == NULL) {
                DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
                    w);
                return;
@@ -8406,11 +8441,11 @@ destroynotify(xcb_destroy_notify_event_t *e)
        unmanage_window(win);
        stack();
 
-       if (focus_mode != SWM_FOCUS_FOLLOW) {
+       if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(win->ws)) {
                if (win->ws->focus_pending) {
                        focus_win(win->ws->focus_pending);
                        win->ws->focus_pending = NULL;
-               } else if (win == win->ws->focus && win->ws->r) {
+               } else if (win == win->ws->focus) {
                        xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
                            win->ws->r->id, XCB_CURRENT_TIME);
                }
@@ -8559,7 +8594,7 @@ mapnotify(xcb_map_notify_event_t *e)
        win->mapped = 1;
        set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
 
-       if (focus_mode != SWM_FOCUS_FOLLOW) {
+       if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(win->ws)) {
                if (win->ws->focus_pending == win) {
                        focus_win(win);
                        win->ws->focus_pending = NULL;
@@ -8616,12 +8651,12 @@ maprequest(xcb_map_request_event_t *e)
 
                                if (w->ch.class_name &&
                                    win->ch.class_name &&
-                                   !strcmp(w->ch.class_name,
-                                   win->ch.class_name) &&
+                                   strcmp(w->ch.class_name,
+                                   win->ch.class_name) == 0 &&
                                    w->ch.instance_name &&
                                    win->ch.instance_name &&
-                                   !strcmp(w->ch.instance_name,
-                                   win->ch.instance_name))
+                                   strcmp(w->ch.instance_name,
+                                   win->ch.instance_name) == 0)
                                        break;
                        }
                }
@@ -8741,7 +8776,8 @@ propertynotify(xcb_property_notify_event_t *e)
                        if (ws->r) {
                                stack();
 
-                               if (focus_mode != SWM_FOCUS_FOLLOW) {
+                               if (focus_mode != SWM_FOCUS_FOLLOW &&
+                                   WS_FOCUSED(ws)) {
                                        if (ws->focus_pending) {
                                                focus_win(ws->focus_pending);
                                                ws->focus_pending = NULL;
@@ -8768,7 +8804,7 @@ propertynotify(xcb_property_notify_event_t *e)
        } else if (e->atom == a_state) {
                /* State just changed, make sure it gets focused if mapped. */
                if (e->state == XCB_PROPERTY_NEW_VALUE) {
-                       if (focus_mode != SWM_FOCUS_FOLLOW) {
+                       if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(ws)) {
                                if (win->mapped &&
                                    ws->focus_pending == win) {
                                        focus_win(ws->focus_pending);
@@ -8824,15 +8860,16 @@ unmapnotify(xcb_unmap_notify_event_t *e)
                if (ws->r)
                        stack();
 
-               if (focus_mode == SWM_FOCUS_FOLLOW) {
-                       if (ws->r)
+               if (WS_FOCUSED(ws)) {
+                       if (focus_mode == SWM_FOCUS_FOLLOW) {
                                focus_win(get_pointer_win(ws->r->s->root));
-               } else if (ws->focus_pending) {
-                       focus_win(ws->focus_pending);
-                       ws->focus_pending = NULL;
-               } else if (ws->focus == NULL && ws->r) {
-                       xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
-                           ws->r->id, XCB_CURRENT_TIME);
+                       } else if (ws->focus_pending) {
+                               focus_win(ws->focus_pending);
+                               ws->focus_pending = NULL;
+                       } else if (ws->focus == NULL) {
+                               xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
+                                   ws->r->id, XCB_CURRENT_TIME);
+                       }
                }
        }
 
@@ -8879,7 +8916,10 @@ clientmessage(xcb_client_message_event_t *e)
 
        if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
                DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
-               focus_win(win);
+               if (WS_FOCUSED(win->ws))
+                       focus_win(win);
+               else
+                       win->ws->focus_pending = win;
        }
        if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
                DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
@@ -9234,7 +9274,7 @@ grab_windows(void)
        for (i = 0; i < num_screens; i++) {
                qtc = xcb_query_tree(conn, screens[i].root);
                qtr = xcb_query_tree_reply(conn, qtc, NULL);
-               if (!qtr)
+               if (qtr == NULL)
                        continue;
                wins = xcb_query_tree_children(qtr);
                no = xcb_query_tree_children_length(qtr);
@@ -9256,7 +9296,7 @@ grab_windows(void)
 
                        gac = xcb_get_window_attributes(conn, wins[j]);
                        gar = xcb_get_window_attributes_reply(conn, gac, NULL);
-                       if (!gar) {
+                       if (gar == NULL) {
                                DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
                                    "doesn't exist.\n", wins[j]);
                                continue;
@@ -9290,7 +9330,7 @@ grab_windows(void)
                for (j = 0; j < no; j++) {
                        gac = xcb_get_window_attributes(conn, wins[j]);
                        gar = xcb_get_window_attributes_reply(conn, gac, NULL);
-                       if (!gar) {
+                       if (gar == NULL) {
                                DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
                                    "doesn't exist.\n", wins[j]);
                                continue;
@@ -9482,7 +9522,7 @@ shutdown_cleanup(void)
 
        num_screens = get_screen_count();
        for (i = 0; i < num_screens; ++i) {
-               if (screens[i].bar_gc != 0)
+               if (screens[i].bar_gc != XCB_NONE)
                        xcb_free_gc(conn, screens[i].bar_gc);
                if (!bar_font_legacy)
                        XftColorFree(display, DefaultVisual(display, i),
@@ -9589,7 +9629,7 @@ main(int argc, char *argv[])
 
        start_argv = argv;
        warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
-       if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
+       if (setlocale(LC_CTYPE, "") == NULL || setlocale(LC_TIME, "") == NULL)
                warnx("no locale support");
 
        /* handle some signals */
@@ -9606,7 +9646,7 @@ main(int argc, char *argv[])
        sact.sa_flags = SA_NOCLDSTOP;
        sigaction(SIGCHLD, &sact, NULL);
 
-       if (!(display = XOpenDisplay(0)))
+       if ((display = XOpenDisplay(0)) == NULL)
                errx(1, "can not open display");
 
        conn = XGetXCBConnection(display);
@@ -9633,7 +9673,7 @@ main(int argc, char *argv[])
                free(evt);
        }
 
-       if (enable_wm() != 0)
+       if (enable_wm())
                errx(1, "another window manager is currently running");
 
        /* Load Xcursors and/or cursorfont glyph cursors. */